Search Results — 2000 specimen records retrieved (1466 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCD54553  Acacia baileyana Ellen Dean 2005-10-12 2741 Napa W of town of Napa. N side of Partrick Rd. 1660 Partrick Rd. 236 Comment
  UC1719703  Acacia dealbata Barbara Ertter with Jake Ruygt 1996-4-25 14600 Napa Kroeber Ranch on NE flank of Mt. St. John, W of Rutherford in Napa Valley Comment
  SEINET2043780 Image available Acer macrophyllum Royal D. Suttkus 1967-6-26 673021 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  SEINET3195253 Image available Acer macrophyllum Lynn Gould 1962-4-7 31 Napa State Highway 37, 6 miles north of Napa Comment
  UCD117009  Acer macrophyllum Beecher Crampton 1965-8-23 7492 Napa 2.5 miles east of Moskowite Corners, State Hwy. 128. Comment
  UCD128294  Achillea millefolium Kamala Crompton 1996-5-12 14 Napa along road 128 about 5 miles west of Davis. 100 Comment
  UCD128457  Achillea millefolium P. J. Salamun 1974-4-20 7083 Napa Eticuera Creek, near Lower Lake. 243 Comment
  UCD18011  Achillea millefolium Ellen Dean; with Plant Biology 102 class 2001-4-28 743 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At entrance gate to Reserve, along path that goes to the NE from gate. 371 Comment
  SFV8398  Achillea millefolium C. Bornman 1962-5-17 69 Napa About 1 mile west of Lake Berryessa on State Highway 128. North slope. 137 Comment
  RSA0045564  Achillea millefolium subsp. lanulosa Keith E. Hoffmaster 1946-3-23 s.n. Napa Napa range, along Napa-Monticello road Comment
  UCD18178  Achyrachaena mollis Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCR24355  Achyrachaena mollis John C. Roos 1939-4-15 285 Napa North Coast Range, Pope Valley, [near] Pacific Union College, Angwin 240 Comment
  RSA195339  Achyrachaena mollis Gilbert Muth 1967-5-19 695 Napa Milliken Dam. 335 Comment
  RSA424737  Achyrachaena mollis Aaron Liston 1987-4-25 661 -2 Napa NE side of Lake Hennessey, Conn Valley Road. Comment
  JEPS129110  Acmispon americanus var. americanus Jake Ruygt 2015-6-6 6121 Napa Missimer-Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  UCD63351  Acmispon americanus var. americanus Daniel Sanchez-Mata 2006-6-15 s.n. Napa Moskowite Corners-Spanish Flat. Capell Valley. Capell Valley Road close to Capell Creek. 200 Comment
  UCD104084  Acmispon brachycarpus M. Sidells 1996-4-13 9 Napa Next to path on north facing hill at southwest side of Lake Berryessa, 150m northeast of Knoxville Rd. 250 Comment
  UCD18058  Acmispon brachycarpus Ellen Dean; with Plant Biology 102 class 2000-4-22 613 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  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
  UCD75714  Acmispon grandiflorus var. grandiflorus Jake Ruygt 2005-6-1 4886 Napa Blue Ridge, about 1 mile north of Mays Flat. 716 Comment
  UCD149694  Acmispon parviflorus 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
  UCD118633  Adenostoma fasciculatum Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and just north of Recreation Flat, on south facing slope. 389 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
  UCD48196  Adenostoma fasciculatum L. Lina; E. Anderson, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 7 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCD49132  Adenostoma fasciculatum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., N of jct with South Decker Canyon Rd. Down a steep SW-facing slope, about 20 ft. below trail. 231 Comment
  UCD137059  Adiantum aleuticum G. F. Hrusa; G. L. Stebbins 1994-3-11 11591 Napa Las Posadas State Forest, Morre Creek. 400 Comment
  CHSC43508  Adiantum jordanii Lowell Ahart 1976-3-7 1022 Napa About 1/10 mile south-east of the road, about 2 miles south-west of the Monticello Dam. 152 Comment
  UC199989  Adiantum jordanii C. F. Sonne April, 1895 Napa Soda Springs Comment
  CAS-BOT-BC202653  Aesculus californica Richard R. Halse 1989-5-13 3831 Napa Along State Hwy. 29, 2.7 miles north of Calistoga; on the Calistoga Grade 240 Comment
  UC521688  Aesculus californica Joseph Andorfer Ewan 1933-9-17 8016 Napa 2.5 mi out Calistoga (Mt St Helena road) Comment
  UCD49075  Aesculus californica M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 6 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines. 20 ft. W of lat./long. position. Along second bend of the road. 30 ft. E of power lines. 304 Comment
  UCD67507  Aesculus californica D. Sanchez-Mata 1996-6-5 s.n. Napa Lake Berryessa. Pope Canyon Road. 180 Comment
  UCD160782  Agoseris grandiflora Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8662 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 552 Comment
  JEPS104520  Agoseris heterophylla Jake Ruygt 1981-4-25 1002 Napa Table Mountain 621 Comment
  UCD63193  Agoseris heterophylla Jake Ruygt 1980-4-22 840 Napa Napa Valley, Pope Canyon Rd. 0.9 miles west of Walter Springs bridge (old). 195 Comment
  CAS-BOT-BC46061  Agoseris heterophylla var. cryptopleura David D. Keck 1933-5-29 2347 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS36384  Agoseris hirsuta Willis L. Jepson 1892-8-1 Napa Creston <illegible, may read breston> Comment
  UCD128643  Agoseris hirsuta K. Esau; E. Hyde 1938-5-25 s.n. Napa Exact location unknown. Comment
  CAS-BOT-BC13319  Agoseris retrorsa Peter H. Raven 1964-5-9 19064 Napa Along dirt road 2 miles west of Aetna Springs. Comment
  CAS-BOT-BC13321  Agoseris retrorsa Paul F. Covel 1940-4-28 1742 Napa Howell Mt., near Pacific Union Coll. 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
  CAS-BOT-BC127140  Agrostis exarata Peter H. Raven 1952-5-31 4117 Napa 2.5 miles east of Yountville. 60 Comment
  UCD52141  Agrostis exarata Beecher Crampton 1958-11-6 5136 Napa above Capell Creek, north end of Capell Valley. 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
  UC187234  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Calistoga Hot Springs Northern Coast Ranges, Calistoga Hot Springs 91 Comment
  UCD35222  Agrostis microphylla Beecher Crampton 1954-6-25 2012 Napa 3 miles south of Calistoga. Comment
  UCD53040  Agrostis microphylla A. A. Beetle 1946-5-7 4258 Napa 2 miles N of Calistoga at Myrtledale Hot Springs. Comment
  CAS-BOT-BC139015  Agrostis pallens John Thomas Howell 1943-6-19 18236 Napa Hills southwest of Saint Helena. Comment
  UCD53629  Agrostis stolonifera Beecher Crampton 1953-7-14 1514 Napa N.N. slope of Mt. St. Helena, 5 miles south of Middletown. 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
  POM203668  Allium amplectens J. T. Howell 1933-6-4 11391 Napa Hills east of Napa. Comment
  POM215777  Allium amplectens David D. Keck 1933-5-29 2365 Napa Pope Creek bridge south of Walters Springs. Comment
  RSA195336  Allium amplectens Gilbert Muth 1967-5-19 690 Napa Milliken Dam. 335 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
  CAS-BOT-BC466763  Allium cratericola John Thomas Howell 1931-4-4 6168 Napa Crater Country, Mt. St. Helena Comment
  CAS-BOT-BC471257  Allium falcifolium V. Handley 2015-4-25 41 Napa Knoxville BLM: 2.5 km from Devilhead Road. On slope above OHV track, originating at S end of Hunting Creek Campground, 50 m S of Hunting Creek 450 Comment
  CAS-BOT-BC469021  Allium falcifolium Clara A. Hunt 1923-1-1 s.n. Napa Mts. near St. Helena Comment
  CAS-BOT-BC469022  Allium falcifolium R. C. Barneby 1954-4-30 11336 Napa Conn Valley, near the slipway. Comment
  CAS-BOT-BC469023  Allium falcifolium Wayne Roderick 1967-5-7 s.n. Napa In serpentine on Butte Canyon Road near Lake-Napa County line. 457 Comment
  RSA293012  Allium falcifolium Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 763 Napa Mt St Helena. Comment
  SEINET10532707  Allium falcifolium Morrison 1938-4-24 MORRISON 1355 Napa Abundant on serpentine outcrop with pinus sabiniana, quercus durata, ceanothus; .6 Miles w of knoxville on road from monticello to lower lake Comment
  UCD138521  Allium falcifolium M. Ensign 1943-5-28 327 Napa 26 miles from Monticello on road to Lower Lake. Comment
  UC608386  Allium fimbriatum var. fimbriatum B. O. Schreiber 1938-4-24 2507 Napa 1/2 mi nw Knoxville; Reiff Quadrangle 609 Comment
  CAS-BOT-BC472783  Allium neapolitanum Alice Ackley 1957-3-30 s.n. Napa 2 miles east of Napa 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
  RSA123628  Allium serra Milo S. Baker 1932-4-26 5969 Napa Pope Creek along road to Pope Valley. Comment
  UCD48742  Allium serra K. Mogel; B. Pekin and M. Higley 2002-5-4 11 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 900 ft. along the lower road that leads to the power lines; immediately downslope of road. 304 Comment
  UCD148579  Allium vineale Jake Ruygt 1986-6-20 1826 Napa Napa County; between Tulocay Creek and Imola Ave. 3 Comment
  CAS-BOT-BC284  Allocarya piperi Amos Arthur Heller; H. E. Brown 1902-4-25 5361 Napa Near Napa Comment
  UC23568  Allophyllum divaricatum Willis L. Jepson 1893-1 Napa Angwin's meadows Howell Mt.; Napa R. Basin, , Angwin's meadows Comment
  JEPS84573  Allophyllum divaricatum John W. Willoughby 1977-4-20 2127 Napa below and just to s. Mt. Vaca (w. side of Blue Ridge); Vaca Mts. 609 Comment
  JEPS84574  Allophyllum divaricatum John W. Willoughby 1977-4-27 2288 Napa 0.7 mi. s.w. Monticello Dam (s. of Hwy. 128) 195 Comment
  UC23569  Allophyllum divaricatum Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa R. Basin, Howell Mt. Comment
  CAS-BOT-BC453437  Allotropa virgata Mrs. Merrel Ackley 1960-5-19 s.n. Napa Howell Mt. Comment
  JEPS58642  Alnus rhombifolia W. L. Jepson Nov 26 1895-Nov 27 1895 Napa sw St. Helena; White Sulphur Springs Comment
  RSA299415  Alnus rhombifolia W. L. Jepson 1901-8-6 1717 Napa White Sulphur Spring. Comment
  JEPS123022  Alopecurus pratensis Jake Ruygt 1998-4-18 3910 b Napa Pope Canyon Road north of Hardin Road intersection. Quad: Saint Helena. Comment
  CAS-BOT-BC137957  Alopecurus saccatus Peter H. Raven 1952-5-29 4081 Napa Napa River 1 mile north Napa. 60 Comment
  JEPS104566  Amaranthus albus Jake Ruygt 1978-8-7 391 Napa .3 miles west of Big Ranch Road on Oak Knoll Ave. 22 Comment
  JEPS115778  Amaranthus albus Lowell Ahart 2009-10-27 16473 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  UCD47826  Amaranthus blitoides Mark Bibbo; Laura Wynholds 2002-7-20 64 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  UC1949321  Amaranthus californicus Barbara Ertter with Elizabeth Neese 1988-10-2 7969 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge Comment
  JEPS104547  Amaranthus cruentus Jake Ruygt 1990-11-3 2614 Napa .2 mile west of Carneros Avenue on HWY 12 36 Comment
  POM226226  Amaranthus powellii J. T. Howell 1933-9-17 11667 Napa North of Vallejo Comment
  UCSC000353  Amelanchier alnifolia Beryl O. Schreiber 1936-3-5 2207 Napa 0.3 miles W.S.W. of Petrified Forest Petrified Forest 274 Comment
  CDA34166  Amelanchier pallida D. G. Kelch 2010-4-26 10 .099 Napa Skyline Canyon, E of Napa State Hospital. Comment
  UCD95904  Amelanchier utahensis Ellen Dean; with Clare Loughran 2011-5-20 7046 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  JEPS115757  Ammannia robusta Lowell Ahart 2009-10-27 16489 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  JEPS120341  Ammannia robusta Jake Ruygt 2005-10-30 4954 Napa Napa River about 100 yards north of the Pope Street bridge. Saint Helena 7.5' Quad. Comment
  UCD167279  Ammannia robusta Jake Ruygt 2006-9-5 5097 Napa Conn Creek northwest of confluence with Rector Creek. 30 Comment
  UC24614  Amsinckia W. L. Jepson 1893-4-26 Napa Rutherford; Napa River Basin 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
  UCD18086  Amsinckia intermedia Ellen Dean; with PLB 102 class 2000-4-22 642 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  UCD47940  Amsinckia intermedia R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 21 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  UCR227357  Amsinckia intermedia Jake Ruygt 2007-5-21 5127 Napa Jameson Canyon Road, west side of Fagan Creek 61 Comment
  RSA0089449  Amsinckia intermedia A. A. Heller 1938-5-14 15093 Napa On the hills west of Napa on the highway to Shellville. Comment
  UC1094053  Amsinckia intermedia Francia Chisaki 1954-4-15 594 Napa 12.7 mi n of its cut-off from Highway #29 (on Silverado Trail); Silverado Trail Comment
  UC1094054  Amsinckia intermedia Francia Chisaki 1954-4-15 593 Napa 5 mi n of cut-off from Hwy #29 on Silverado Trail 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
  JEPS126114  Amsinckia menziesii Jake Ruygt 1992-4-7 2893 Napa Southwest corner of Tuteur Ranch, end Green Valley Road. Mount George 7.5' Qua. Comment
  UCD161576  Amsinckia menziesii Jake Ruygt 2007-3-29 5128 Napa Rector Creek, west of State Lane (Caymus Avenue). 42 Comment
  UC702995  Amsinckia menziesii var. menziesii John Thomas Howell 1941-4-5 16170 Napa about 1 mi sw Calistoga Comment
  CDA11896  Ancistrocarphus filagineus G. F. Hrusa, G. L. Stebbins 1994-4-8 11723 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs Resort. Comment
  CHSC108729  Ancistrocarphus filagineus B. Castro; L. P. Janeway 2002-5-12 1371 B Napa Inner North Coast Ranges. CA 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. 536 Comment
  HSC81866  Ancistrocarphus filagineus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5142 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  CAS-BOT-BC272868  Ancistrocarphus filagineus J. M. Tucker 1977-4-24 4390 Napa Up jeep track ca. 1/3 mile west of road, Berryessa - Knoxville Road, 15.9 miles (by road) north of junction with Pope Canyon Road (2 miles southeast of Knoxville Mine) 365 Comment
  UCD127211  Angelica californica Glen Holstein 1977-5-11 s.n. Napa Along State Highway 121, 0.5 mile south of intersection with Wooden Valley Road. Comment
  UCD55443  Angelica californica Beecher Crampton 1961-6-12 5907 Napa 8 miles northeast Napa along State Hwy. 37, Howell Mountains. Comment
  CDA40902  Angelica tomentosa G. F. Hrusa, R. Gross 1996-6-3 13071 Napa North Coast Biodiversity Arena; Along lower Ida Clayton Rd, on Foote Ranch, NW side of Mt. St. Helena. Sheet 3 of 3 Comment
  JEPS14088  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  UCD126261  Angelica tomentosa G. F. Hrusa; R. Gross 1996-6-30 13071 Napa along Ida Clayton Rd on Foote Ranch. 700 Comment
  HSC71987  Angelica tomentosa J. M. DiTomaso 1980-9-9 1980 Napa N side of Mt. St. Helena at 48.45 mi mark on Hwy 29, 10.6 mi N of Calistoga 610 Comment
  JEPS15909 Image available Angelica tomentosa Willis L. Jepson 1895-8-30 13484 Napa Napa River Basin, Upper Napa Valley; ; Near Calistoga, Upper Napa Valley Comment
  UC20797  Angelica tomentosa Willis L. Jepson Aug. 1892 Napa near St. Helena (Napa River Basin); Napa River Basin Comment
  UC20807  Angelica tomentosa Willis L. Jepson 1893-9-24 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  UC765494  Angelica tomentosa R. F. Hoover 1938-9-23 3861 Napa south fork of Butts Creek Butts Creek Comment
  RSA517  Angelica tomentosa var. tomentosa J. T. Howell 1927-8-24 689 Napa Butte Valley, Napa Range Comment
  UCR146404  Antirrhinum vexillocalyculatum subsp. breweri Beecher Crampton 1971-10-26 8767 Napa Inner North Coast Ranges, 4.7 miles east of Conn Reservoir Dam on State Hwy. 128 244 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
  UC1196865  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum J. P. Tracy 367 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Moores Creek 365 Comment
  JEPS25048  Antirrhinum virga J. P. Tracy 1899-6-18 368 Napa 3-4 mi e Angwin's (La Jota Plateau); Howell Mountain, Head of Moore's Creek, La Jota Plateau 518 Comment
  UCD36935  Apiastrum angustifolium Beecher Crampton 1956-5-25 3451 Napa Vaca Mountains, Markley Canyon, along new road from Monticello Dam to Napa. Comment
  JEPS16056  Apiastrum angustifolium W. L. Jepson 1896-6-2 14208 Napa Napa Range, Conn Valley Conn Valley; Napa Range, Conn Valley Comment
  JEPS104561  Apocynum androsaemifolium Jake Ruygt 1987-6-5 2024 Napa Wild Horse Valley Ranch 441 Comment
  UCD161349  Apocynum androsaemifolium Jake Ruygt 1986-6-28 1843 Napa Mt. St. Helena along Highway 29, mile 45.93. (Coordinates estimated by label maker at UC Davis). 640 Comment
  RSA523906  Apocynum androsaemifolium subsp. pumilum G. H. True 1937-6-21 735 Napa Near Lokoya Lodge. 366 Comment
  UC1199839  Apocynum cannabinum Herbert L. Mason 1942-9-29 12559 Napa ca. 1 mi. n. Rutherford (edge of Beaulieu Ranch) Comment
  CAS-BOT-BC392031  Aquilegia eximia H. M. Hall 1923-10-14 11944 Napa 6 mi. n. of Pope Valley Comment
  JEPS110886  Aquilegia eximia Jake Ruygt 1979-7-4 740 Napa 2.1 miles east of Silverado Trail on HWY 128 109 Comment
  UC1196199  Aquilegia eximia Joseph P. Tracy Jul 2 1899-Jul 5 1899 353 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt. 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
  UCD95543  Aquilegia formosa R. H. Miller 1949-5-8 46 Napa Beside Highway 37, about 10 miles northeast of Napa. Comment
  JEPS53030  Arabis glabra Willis L. Jepson 1893-4-24 32 c Napa hills e St. Helena (to Conn Valley grade); Napa River Basin Comment
  JEPS106774  Arabis modesta Jake Ruygt 1998-4-18 3923 Napa Blue Ridge about 1.5 mile north of Mays Flat 731 Comment
  UC1196929  Aralia californica J. P. Tracy 1899-7-6 416 Napa head of Moore's Creek 3 - 4 mi. e. of Angwin's; Howell Mt. 457 Comment
  JEPS40072  Aralia californica Willis L. Jepson 1894-10-14 14139 Napa Calistoga Napa R. Basin, Calistoga Comment
  RSA470446  Aralia californica T. Gertrude Williamson 1924-7-4 s.n. Napa Saint Helena, White Sulphur Springs. Comment
  JEPS66577  Arbutus menziesii W. L. Jepson 1937-4-10 18001 Napa Howell Mountain, Adam and Eve Ridge Adam and Eve Ridge; Howell Mountain, Adam and Eve Ridge Comment
  UC1051645  Arbutus menziesii Peter Kamb, Francia Chisaki 1950-4-22 1756 Napa w side of Wooden Valley, on Cal Hwy #37 Wooden Valley 304 Comment
  UC549538  Arctostaphylos J. E. Adams 1933-4-4 Napa Mt. St. Helena Comment
  JEPS38624  Arctostaphylos canescens W. L. Jepson 1913-4-15 5311 Napa La Jota Plateau Howell Mountain Comment
  CAS-BOT-BC23985  Arctostaphylos canescens subsp. canescens Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC23999  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11108 Napa Mt. St. Helena Comment
  CAS-BOT-BC24016  Arctostaphylos canescens subsp. canescens John Thomas Howell 1930-7-13 5362 Napa Crater Country Comment
  CAS-BOT-BC24025  Arctostaphylos canescens subsp. canescens Alice Eastwood; John Thomas Howell 1937-4-4 3829 Napa Wooden Valley Grade east of Napa 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
  CAS-BOT-BC24861  Arctostaphylos glandulosa subsp. cushingiana Milo S. Baker 1929-2-22 3399 a Napa Mt. St. Helena, above Toll House to the e. of Stevenson Monument. Comment
  RSA169360  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 miles SW of Angwin. 244 Comment
  CAS-BOT-BC23101  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood; John Thomas Howell 1939-6-11 7433 Napa Hills west of Calistoga Comment
  JEPS106417  Arctostaphylos glandulosa subsp. glandulosa Jake Ruygt 1981-4-12 974 Napa Grassy Hill near Palisades 670 Comment
  JEPS38883  Arctostaphylos glandulosa subsp. glandulosa W. L. Jepson 1936-12-7 17994 Napa Four Corners Napa Range, Howell Mt. Comment
  RSA10633  Arctostaphylos glandulosa subsp. glandulosa C. B. Wolf 1928-5-4 1858 Napa Upper slopes of Mount St. Helena. Comment
  UC421585  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-3-23 4562 Napa near Mt. St. Helena Comment
  UCR228649  Arctostaphylos glandulosa var. cushingiana Ellen Dean, Stephen Rae 2008-5-21 4981 Napa Hills to the west of Hwy 29. Private property accessed by Diamond Mountain Road 268 Comment
  CAS-BOT-BC24430  Arctostaphylos manzanita R. H. Halse 1987-2-22 3377 Napa Along State Hwy. 29 about one third mi. n. of its junction with Tubbs Lane, just n. of Calistoga. 51 Comment
  OBI14645  Arctostaphylos manzanita H. E. McMinn 1936-4-4 4390 Napa Howell Mt Comment
  UC549544  Arctostaphylos manzanita J. E. Adams 1934-4-10 647 Napa Mt. St. Helena Comment
  UCSB22860  Arctostaphylos manzanita McMinn, H. 1936-4-4 Napa Howell Mt. Comment
  UCD73423  Arctostaphylos manzanita subsp. glaucescens Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-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-BC24282  Arctostaphylos manzanita subsp. manzanita Willis Linn Jepson 1896-2-23 s.n. Napa Howell Mt. Napa River Basin. Comment
  CAS-BOT-BC24284  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-8-27 11633 Napa Sage Canyon, Napa Range. Comment
  CAS-BOT-BC24286  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1940-2-13 15495 Napa About 3 mi. n. of Calistoga on State Highway #29. Comment
  CAS-BOT-BC24287  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1492 Napa Mt. St. Helena Grade 2 mi. below Hawkins Mt. Canyon. Comment
  CAS-BOT-BC38726  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-9-3 7944 Napa Mt. St. Helena Comment
  CAS-BOT-BC38727  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-9-3 7947 Napa Mt. St. Helena Comment
  CAS-BOT-BC38760  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1925-1-23 13621 Napa wooden Valley Grade Comment
  CAS-BOT-BC38762  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-9-3 7948 Napa Mt. St. Helena Comment
  CAS-BOT-BC38764  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-7-13 5352 Napa Chaparral on the edge of the Crater Country Comment
  CAS-BOT-BC38766  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4558 Napa About 1 mile se. of Mt. St. Helena Inn, near Mt. St. Helena. Comment
  CAS-BOT-BC38767  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4560 Napa Near Mt. St. Helena 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
  UC1389149  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1939-8-27 990 Napa 2 mi e Gordon Valley; Cal (C) Forest 152 Comment
  UC549555  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-10 642 Napa Mt. St. Helena Comment
  CAS-BOT-BC43850  Arctostaphylos stanfordiana L. R. Abrams 1928-5-4 12269 Napa Near summit, Mt. St. Helena Comment
  CAS-BOT-BC43854  Arctostaphylos stanfordiana Mrs. E. Wright 1920-2-22 s.n. Napa Calistoga Comment
  CAS-BOT-BC43856  Arctostaphylos stanfordiana Alice Eastwood 1923-5-9 11762 Napa Mt. St. Helena Comment
  CAS-BOT-BC43857  Arctostaphylos stanfordiana Alice Eastwood; John Thomas Howell 1935-2-11 1937 Napa 5 miles east of Napa on Wooden Valley Grade Comment
  CAS-BOT-BC43863  Arctostaphylos stanfordiana Alice Eastwood 1915-6-7 4696 Napa Mt. St. Helena Comment
  CDA11264  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Webster, J. M. Tucker 1994-10-29 11919 Napa North Coast Biodiversity Arena; Mt. George Napa Land Trust Reserve. Comment
  JEPS38884  Arctostaphylos stanfordiana W. L. Jepson 1936-12-7 17992 Napa Four Corners Napa Range, Howell Mt. Comment
  JEPS58788  Arctostaphylos stanfordiana W. L. Jepson 1938-9-28 19041 Napa La Jota Mesa Howell Mt. Comment
  LA42285  Arctostaphylos stanfordiana Lewis S. Rose; 1939-4-16 39071 Napa 4 mi. NE of Napa 198 Comment
  UC1220984  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 1/2 mi w Aetna Springs Comment
  UCD53857  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 1/2 mile W Aetna Springs. Comment
  SEINET11987133  Arctostaphylos stanfordiana W. Knight, Knight, I. 1980-1 3825 Napa Tilden Botanic Gardens, Berkeley, orig. from Mt. St. Helena Comment
  POM367458  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1935-2-11 35013 Napa 5 mi. N.E. of Napa, Wooden Valley Grade. Comment
  RSA3949  Arctostaphylos stanfordiana subsp. stanfordiana I. L. Wiggins 1932-3-12 5768 Napa Hillside between Calistoga and Franz Valley. Comment
  SBBG5508  Arctostaphylos stanfordiana subsp. stanfordiana E. R. Blakley 1956-12-23 2017 Napa trail to Linda Falls, Angwin 426 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
  SEINET9336427  Arctostaphylos viscida Unknown 1994-4-8 11716 Napa Occasional in serpentine chaparral, dominated by Adenostoma and Quercus durata. Approx. 1/2 mi above Aetna Springs resort. Comment
  UCD47967  Arctostaphylos viscida Ari Houser; J. Westbrook, S. Ratay, M. Disney,R. Wolfson,S. Wathen 2000-4-22 32 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
  JEPS106408  Arctostaphylos viscida subsp. pulchella Jake Ruygt 1996-2-24 3518 Napa NE of Big Basin, along Pocock Creek Rd. 426 Comment
  JEPS38778  Arctostaphylos viscida subsp. viscida W. L. Jepson 1916-8-6 6826 Napa Moore's Creek Howell Mountain Comment
  SBBG16136  Aristolochia californica H. and M. Dearing 1940-3-20 4147 Napa near Napa Comment
  UC185097  Aristolochia californica H. P. Chandler 1907-5-30 7599 Napa St. Helena, White Sulphur Spring Comment
  UC65023  Aristolochia californica E. Kelly 1905-5-27 Napa near Napa Comment
  UCSC000193  Aristolochia californica Carl Meyer 1925-3-31 s.n. Napa Calistoga 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
  UCD164773  Arrhenatherum elatius Jake Ruygt 2014-5-19 5947 Napa Sutro Ranch, Atlas Peak. 740 Comment
  JEPS104524  Artemisia californica Jake Ruygt 1979-11-24 798 Napa 2.3 miles north of Monticello Rd. on Atlas Peak Rd. 79 Comment
  UC6173  Asarum caudatum Willis L. Jepson 1893-5-8 Napa Howell Mountain, Napa River Basin Comment
  JEPS103978  Aspidotis californica Jake Ruygt 1990-12-15 2615 Napa Monticello Rd. at site of Jarvis Winery cave 341 Comment
  CAS-BOT-BC69615  Aspidotis densa John Thomas Howell 1926-3-21 1716 Napa St. Helena Creek below Patten's. 609 Comment
  JEPS60031  Aspidotis densa W. L. Jepson 1938-5-22 18815 Napa Limekiln Creek Canyon; Pope Valley Comment
  JEPS48894  Astragalus breweri Elsa Kraeger 1926-3-27 Napa near Geyser (Calistoga, in field); Calistoga, near Geyser Comment
  SBBG122674  Astragalus breweri J. Dittes 2003-4-5 2003 -13 Napa SW of jct of Bennet Lane and Tubbs Lane, ca. 1.8 air-mi N by NW of Calistoga City Hall, ca 1 air-mi NW of confluence of Napa River and Garnett Crk 123 Comment
  CAS-BOT-BC178661  Astragalus claranus John Thomas Howell 1931-4-19 6442 Napa Conn Valley Comment
  RSA424722  Astragalus claranus Aaron Liston, M. Blumler, B. Grummer 1987-4-25 660 -1 Napa Napa Valley State Park. Comment
  UCD104678  Astragalus clevelandii Robert E. Preston 1987-6-18 566 Napa 1.4 mile ne of Big Basin. 414 Comment
  CAS-BOT-BC178290  Astragalus gambelianus John Thomas Howell 1933-5-21 11310 Napa Hills east of Napa. Comment
  UCD47978  Astragalus gambelianus A. Hufton; S. Burgess, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 11 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
Read comments
Jan 14 2009
  UCD75828  Astragalus gambelianus Jake Ruygt 1989-4-8 2249 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 182 Comment
  UC483681  Astragalus rattanii var. jepsonianus Milo S. Baker 1932-4-26 5964 Napa Monticello Road near Pope Val.; near Pope Val. Comment
  JEPS53210  Athysanus pusillus W. L. Jepson 1937-4-10 18000 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  UCD18015  Athysanus pusillus Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 560 Napa Napa County. McLaughlin Reserve. South side of Knoxville-Berryessa Rd., just north of Hunting Creek, SE of Research Hill, by turnout and gate. Joe Callizo calls this area 'Cloaca of Morgan Valley. 609 Comment
  JEPS126099  Atriplex rosea Jake Ruygt 1991-9-21 2840 Napa Kennedy Park, north of the boat ramp. Napa 7.5' Qua. Comment
  JEPS106816  Atriplex semibaccata Jake Ruygt 1979-7-29 787 Napa Fagan's Slough, Sheehy Creek area 2 Comment
  HSC43958  Avena barbata Robert M. Specht 1977-4-19 682 Napa Above drainage running NE from Adams Creek. 518 Comment
  JEPS126110  Azolla filiculoides Jake Ruygt 1981-4-22 995 Napa East of Kaiser Steel, west of Highway 29 (221) Rocktram. Napa 7.5' Qua. Comment
  POM350407  Baccharis pilularis J. T. Howell 1932-10-8 10802 Napa Napa River levee at Cuttings Wharf Comment
  SEINET9328438  Baccharis salicina Unknown 1995-4-10 12055 Napa Napa Comment
  OBI48782  Balsamorhiza hookeri L. F. LaPre 1986-7-11 s.n. Napa Tributary to Hunting Crk, 1 mi S of Dunnigan Hill, near the Lake co line. Jericho Valley 7.5' quad T11N, R5W sec 14 396 Comment
  JEPS104572  Balsamorhiza sericea Jake Ruygt 1988-5-29 2189 Napa east tributary of Sensitive Plant Canyon 414 Comment
  CAS-BOT-BC16528  Barbarea orthoceras Betty H. Johnson 1958-6-15 641 Napa 0.25 mile above Mt. Mill House, 6.4 miles southwest of Middletown. Comment
  JEPS42577  Barbarea orthoceras W. L. Jepson 1893-1 13344 Napa Howell Mountain Comment
  UCD48671  Barbarea orthoceras Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 12 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd, N of its jct with S. Decker Canyon Rd. at the end of EW bend. 188 Comment
  UCD48675  Barbarea verna C. Mathews; C. Little, K. Glover, T. Petrie 2001-4-14 8 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along Decker Bay Trail, 55 ft. NW of jct with West Rd. 152 Comment
  UCD38368  Barbarea vulgaris Beecher Crampton 1955-4-4 2386 Napa 0.5 mile east of St. Helena, Silverado Trail. Comment
  JEPS126098  Bassia hyssopifolia Jake Ruygt 1992-7-14 3094 Napa Southwest of American Canyon Creek near county line. Cuttings Wharf 7.5' Qua. Comment
  JEPS68458  Beckmannia syzigachne W. L. Jepson 1923-6-3 9977 Napa e Yountville; Napa Valley Comment
  UCD56781  Beckmannia syzigachne H. J. Baade 1942-6-12 s.n. Napa Napa Co. Comment
  JEPS11297  Bellardia trixago W. L. Jepson 1921-5-6 9195 Napa w of Napa (on Sonoma road) Comment
  UCD170441  Bellardia trixago Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 913 Napa Knoxville Wildlife Area, Zim Zim Creek drainage northwest of Zim Zim Falls. 407 Comment
  POM15680  Bellardia trixago A. A. Heller 1902-5-24 5600 Napa Near Napa. Comment
  JEPS106879  Berberis aquifolium var. dictyota Jake Ruygt 1992-3-28 2869 Napa small tributary to Butts Creek, near Berryessa Estates 161 Comment
  JEPS106878  Berberis pinnata subsp. pinnata Jake Ruygt 1982-3-10 1127 Napa north of American Canyon on county line 280 Comment
  UCD75842  Boechera arcuata Jake Ruygt 2003-4-22 4504 Napa about 2 miles north of Mays flat near the top of the Blue Ridge. 731 Comment
  CAS-BOT-BC15944  Boechera breweri subsp. breweri Peter H. Raven 1951-6-10 2946 Napa Near Calistoga Palisades. 792 Comment
  UCD159930  Brachypodium distachyon Alice Warrick 2007-4-26 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q43-1. 243 Comment
  CAS-BOT-BC36762  Brassica rapa Elsa G. Ruckert 1960-2-20 4 Napa 6495 Dry Creek Road. 365 Comment
  UCD159468  Brickellia californica D. S. Park 2010-8-13 222 Napa Along Berryessa Knoxville Rd. Near dried up creek bed. Shrub on side of the road. 218 Comment
  RSA696325  Briza minor Keith E. Hoffmaster 1939-4-26 941 Napa Near Monticello. 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
  UCD160776  Briza minor Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8656 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 601 Comment
  UCD170425  Briza minor Daniel Potter; Daniel McNair 2016-4-23 904 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  UCD36947  Briza minor Beecher Crampton 1956-5-25 3475 Napa Southeastern Capell Valley. Comment
  JEPS7659  Brodiaea elegans subsp. elegans W. L. Jepson 1893-6-24 Napa near Napa; Lower Napa Valley Comment
  CAS-BOT-BC484197  Brodiaea elegans var. elegans Betty H. Johnson 1958-6-15 623 Napa Near St. Helena River, 6.4 mi S.W. of Middletown Comment
  CAS-BOT-BC484200  Brodiaea elegans var. elegans Belle Richardson Jackson 1930-6-8 s.n. Napa On old toll road below Patten's Mt. St. Helena region Comment
  CAS-BOT-BC486433  Brodiaea terrestris subsp. terrestris Peter H. Raven 1957-5-5 10750 Napa Near the hot springs, Calistoga 91 Comment
  UCD112240  Bromus Christopher Mallek 2008-5-12 AS2- 11 Napa Aetna Springs. 668 Comment
  UCD60269  Bromus Beecher Crampton 1961-6-12 5902 Napa 7 miles northeast of Napa; Howell Mountains, summit of State Hwy. 37. Comment
  JEPS123014  Bromus carinatus var. carinatus Jake Ruygt 1991-4-17 2622 b Napa Montgomery Creek about 1/2 mile west of Mt. Veeder Road. Quad: Rutherford. Comment
  SACT000490  Bromus commutatus M. Wiesendanger 1927-5-4 Napa Comment
  UC60203  Bromus hordeaceus Willis L. Jepson 1893-1 Napa Napa River Basin, Napa Valley Napa Valley; Napa River Basin, Napa Valley Comment
  UCD32919  Bromus laevipes Beecher Crampton 1965-6-17 7409 Napa Solano-Napa Counties, Vaca mountains, summit of Mt. Vaca. 859 Comment
  UCD159919  Bromus rubens Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon.West section. 243 Comment
  UCD59601  Bromus rubens David L. Morgan 1961-5-16 s.n. Napa Napa Cemetery, Napa. Comment
  UCD120793  Bromus sterilis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7332 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  UCD59776  Bromus tectorum Beecher Crampton 1959-5-26 5264 Napa Above Capell Creek, north end of Capell Valley. Comment
  UCD37684  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  JEPS112602  Calandrinia breweri Jake Ruygt 1997-3-23 3815 Napa South of Bismark Knob on ridge. 612 Comment
  UCD18167  Calandrinia ciliata Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCD159463  Calendula arvensis D. S. Park 2010-8-13 217 Napa St. Helena. Along Fulton Ln. Growing in the fringes of orchards. 76 Comment
  JEPS120389  Callitriche heterophylla var. bolanderi Jake Ruygt 1983-4-7 1177 Napa east of Rocktram, west of Hwy 221, Suscol Plain Comment
  UCD148769  Callitriche marginata Jake Ruygt 1996-3-30 3537 Napa Napa County; Jameson Vineyards, South Kelly Road. 54 Comment
  HSC15340  Calochortus amabilis C. B. Wolf 1928-5-3 1787 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  POM182710  Calochortus amabilis D. D. Keck 1931-4-2 1019 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  SJSU9956  Calochortus amabilis Kathleen Conrey 1959-5-10 Napa near Old Bale Mill on Highway 29 c. 5 mi N of St Helena Comment
  SJSU9988  Calochortus amabilis J. C. Gibbany 1960-4-30 73 Napa Redwood Rd 7 mi NW of Napa Comment
  UCD14306  Calochortus amabilis Katherine Courtney 1983-5-7 7 Napa along Highway 128, 2 miles west of the Spanish Flat junction on the north side of the road; Comment
  UCD169609  Calochortus amabilis Ayzik Solomeshch 2008-4 s.n. Napa north side of Pope Canyon Road ca 2 km west of intersection with Berryessa-Knoxville Road. 140 Comment
  UCD18372  Calochortus amabilis R. Wenk 2000-5-14 9 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  UCD48265  Calochortus amabilis R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 5 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryesssa Road, on Southeast side of Devilhead Road. 515 Comment
  UCD67455  Calochortus amabilis D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. Capell Creek. 250 Comment
  HSC83400  Calochortus amabilis Mark S. Lubinski, Claude Galopin 1975-4-27 19 Napa Hwy. 128 off Sage Canyon Rd. Comment
  IRVC14005  Calochortus amabilis Mary R. J. Conrey 1976-5-21 s.n. Napa St. Helena Spring Mtn Rd. Coastal Range Comment
  POM319489  Calochortus amabilis Patricia Wilder 1965-6-8 3589 Napa Monticello grade ca. 3.3 mi E of Monticello Park and 6.0 mi E of Napa on Calif. 121. 305 Comment
  SEINET5641956  Calochortus luteus Tera Pitman 2004-5-1 7 Napa Mclaughlin UC Reserve. Along Knoxville-Berryessa Rd. west of turn off to old town of Knoxville, north side of road, about 0.5 airline miles west southwest of site of old town of Knoxville.; 0 Comment
  UCD139540  Calochortus luteus L. P. Thibault 1995-6-2 55 Napa South side of Hwy 128 approx. 0.5 mi. west of junction with Hwy 121. 275 Comment
  UCD170363  Calochortus luteus Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 861 Napa Knoxville Wildlife Area, south of Nevada Creek. 450 Comment
  UCD70349  Calochortus luteus P. J. Plummer 1995-5-29 s.n. Napa Napa County Along hwy 128; 1 m from the hwy. Flowers bright yellow with brown-purple stripes and splotches. 213 Comment
  CAS-BOT-BC492545  Calochortus luteus Wayne Roderick 1967-5-20 s.n. Napa Snell Valley 457 Comment
  IRVC19763  Calochortus luteus Anne E. Justice 1981-4-27 s.n. Napa 8.5 miles from Winters on Hwy 128, 1.5 mi before Monticello Dam. Comment
  SEINET4169984  Calochortus pulchellus W. M. Grannell 1950-4-27 15 Napa N. side of PutahCanyon Comment
  SEINET4169985  Calochortus pulchellus Unknown 1952-4-20 71 Napa Samuel Springs, 7 mi N. W. of Monticello Comment
  SEINET4169986  Calochortus pulchellus H. E. Cott 1949-6-5 A- 120 Napa Along State Hwy. 37, ca. 10 mi from jct. with Hwy. 28 Comment
  RSA152416  Calochortus splendens Rimo C. Bacigalupi, L. T. Dempster, G. T. Robbins 1954-5-25 4507 Napa Above Soda Creek along State Highway 28, 8.2 miles east of Conn Lake (reservoir). Comment
  JEPS113984  Calochortus superbus Jake Ruygt 1986-6-9 1804 Napa 4.5 miles north of Westgate Drive on Atlas Peak Road. Capell Valley 7.5' Quad. Comment
  UC768703  Calochortus tolmiei R. F. Hoover 1941-4-27 4951 Napa e side Mt. St. Helena Comment
  CAS-BOT-BC132618  Calochortus uniflorus Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  JEPS122766  Calochortus venustus Jake Ruygt 1999-7-3 4197 Napa Newell Canyon. Quad: Cordelia. Comment
Read comments
Dec 13 2016
  UC1876226  Calycadenia fremontii Gerald D. Carr 1972-8-21 728 Napa 2.4 mi e of Butts Canyon Rd. on Snell Valley Rd. 182 Comment
  JEPS38540  Calycadenia multiglandulosa W. L. Jepson 1916-8-6 6832 Napa Howell Mt. Comment
  UC126853  Calycadenia multiglandulosa H. P. Chandler 1907-7-19 7603 Napa Howell Mt. Comment
  UCD129718  Calycadenia multiglandulosa Gerald D. Carr 1971-6-17 566 Napa junction of Howell Mt., Deer Park, and White Cottage Roads, southwest facing. Comment
  JEPS38581  Calycadenia multiglandulosa Willis L. Jepson 1901-8-6 1730 Napa Howell Mt., Napa River Basin Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC270833  Calycadenia pauciflora John Thomas Howell 1929-8-4 4364 Napa 1 mile below Samuels Springs, Pope Creek Canon [Pope Creek Canyon], Napa Range Comment
  RSA255601  Calycadenia pauciflora Gerald D. Carr 1971-8-6 620 Napa Lake Hennessy, Hwy. 128, 1.7 miles SW of Chiles-Pope Valley Road Comment
  UCD160805  Calycadenia pauciflora Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8685 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 488 Comment
  CAS-BOT-BC270826  Calycadenia pauciflora Gerald D. Carr 1972-8-9 726 Napa Mysterious Creek Road, 10.0 miles SW of Berryessa - Knoxville Road, via Devilhead Road Comment
  JEPS38587  Calycadenia pauciflora Willis L. Jepson Jul 1 1892-Aug 1 1892 Napa near Knoxville; Clear Lake (Mountain Region) Comment
  RSA255581  Calycadenia pauciflora Gerald D. Carr 1971-9-20 668 Napa 1.8 miles SE of Lake Co. line on Morgan Valley Road, 125 yards north of [?]. Comment
  RSA255607  Calycadenia pauciflora Gerald D. Carr 1972-9-14 734 Napa 1.5 miles east of Howell Mt. Road on Conn Valley Road 122 Comment
  UCD129843  Calycadenia pauciflora Gerald D. Carr 1972-8-9 726 Napa Mysterious Creek Road, 10.0 miles southwest of Berryessa-Knoxville Road. Via Devilhead Road. 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
  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
  CDA11827  Calycadenia truncata G. F. Hrusa 1993-10-2 11423 Napa North Coast Biodiversity Arena; Top of Sharpe Rd. , 1 m. W of Calistoga. Comment
  UCR23720  Calycadenia truncata John C. Roos 1939-7-16 254 Napa North Coast Range, Palisades, Napa Range near Calistoga 823 Comment
  CAS-BOT-BC271563  Calycadenia truncata subsp. truncata Peter H. Raven 1951-8-21 3868 Napa Ridge se of Mt. Veeder 670 Comment
  CAS-BOT-BC271571  Calycadenia truncata subsp. truncata David D. Keck 1933-11-10 2720 Napa 1 mi. N. of Yountville Comment
  CAS-BOT-BC271572  Calycadenia truncata subsp. truncata David D. Keck 1933-11-10 2720 Napa 1 mi. N. of Yountville Comment
  CAS-BOT-BC271573  Calycadenia truncata subsp. truncata Brandegee No date on label. 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-BC271561  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  CAS-BOT-BC271562  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  RSA491725  Calycanthus occidentalis James L. Reveal 1987-6-7 6395 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road, about 6.5 miles northwest of Vacaville 610 Comment
  UC1126250  Calycanthus occidentalis A. Lewis 1932-5-24 108 Napa Wooden Valley; Napa Quad. 243 Comment
  UC1536921  Calycanthus occidentalis Gordon H. True Jr. 1937-6-21 731 Napa near Lokoya Lodge 365 Comment
  CAS-BOT-BC221555  Calystegia collina subsp. collina R. K. Brummitt; A. Wolf; R. W. Howe 1998-5-15 19848 Napa 10 km NE of St. Helena, on Chiles and Pope Valley Road 300 Comment
  UC879413  Calystegia purpurata M. Focht and R. Scott 1940-1-1 9590 Napa near cliff seven mi from Monticello (Pope Creek); North Bay Counties, , 7 mi from Monticello Comment
  CAS-BOT-BC224627  Calystegia purpurata subsp. purpurata Peter H. Raven 1952-5-26 4035 Napa St. Helena to Howell Mt. 304 Comment
  JEPS106401  Calystegia purpurata subsp. purpurata Jake Ruygt 1986-4-5 1682 a Napa north of Elkhorn Peak on county line 458 Comment
  UC23177  Calystegia subacaulis Willis L. Jepson 1894-5-1 Napa Conn Valley , Conn Valley (Napa River Basin) Comment
  CAS-BOT-BC224342  Calystegia subacaulis subsp. subacaulis Rimo Bacigalupi 1928-6-20 1859 Napa Howell Mt 10 miles west of St Helena Comment
  UCD74394  Cardamine californica Jake Ruygt 1992-4-5 2889 Napa Alston Park, Dry Creek Rd., Napa. 67 Comment
  RSA15679  Cardamine californica var. integrifolia C. B. Wolf 1928-2-25 1489 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  JEPS53370  Cardamine californica var. integrifolia Willis L. Jepson 1896-2-23 13396 Napa Howell Mountain Napa River Basin, Howell Mountain Comment
  CAS-BOT-BC37857  Cardamine oligosperma Peter H. Raven 1954-2-22 6397 Napa Saint Helena. 60 Comment
  UCD41463  Carduus pycnocephalus Ellen Dean; Deborah Canington 2003-3-1 1360 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. By university gate at sign-in post. 390 Comment
  UCD48566  Carduus pycnocephalus S. Murphy; K. Keck and K. Dyer 2002-5-5 4 Napa Quail Ridge UC Reserve, northern tip of ridge, 1.5 m from N edge of stock pond. 328 Comment
  UC50828  Carex amplifolia J. P. Tracy 1902-5-21 1606 Napa 3-4 mi e Angwin's (head of Moore's Creek); Moore's Creek 365 Comment
  JEPS121332  Carex aquatilis var. dives Jake Ruygt 2006-4-15 4982 Napa Highway 29, about 0.5 mi. south of Lincoln Ave., Calistoga. Comment
  JEPS75641  Carex barbarae W. L. Jepson 1936-5-30 17560 Napa Rutherford, Napa Valley Comment
  JEPS121351  Carex barbarae Jake Ruygt 2006-4-15 4990 Napa S. of Yountville, w. side of Hwy 29. Comment
  UCD140163  Carex barbarae Max P. Dunford 1961-4-8 1032 Napa 6 miles west of Petaluma on road to Two Rock and Bodega Bay. 30 Comment
  CAS-BOT-BC18905  Carex densa Elsa G. Ruckert 1960-4-29 126 Napa Pond, 300 yards from house, 6495 Dry Creek Road. 365 Comment
  CAS-BOT-BC35070  Carex densa Peter H. Raven 1951-5-26 2868 Napa 0.3 mile from Lokoya Lodge to Napa. 365 Comment
  CAS-BOT-BC35072  Carex densa Peter H. Raven 1951-6-10 2948 Napa Crater Region of Palisades. 762 Comment
  JEPS63518  Carex densa W. L. Jepson 1936-7-2 17640 Napa Angwin Meadow, Howell Mountain Napa Range 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
  UCD161346  Carex densa Jake Ruygt 1986-5-5 1746 Napa West slope of Mt. George. (Coordinates estimated by label maker at UC Davis). 310 Comment
  UCD167142  Carex densa Jake Ruygt 2015-5-2 6087 Napa West of Buck Mountain near Nevada. 599 Comment
  UCD81809  Carex densa Ellen Dean; Stephen Rae 2009-4-21 5436 Napa Along Friesen Lakes Road, NW of Anguin. 563 Comment
  CAS-BOT-BC35074  Carex densa Peter H. Raven 1950-5-6 2019 A Napa Near Rt. 29, on Old Faithful Geyser road 2 miles north of Calistoga. Comment
  UC50829  Carex densa J. P. Tracy 1902-5-26 1637 Napa near Calistoga; Napa Valley 91 Comment
  UCD161514  Carex densa Jake Ruygt 1990-4-7 2463 Napa Veteran's Peak, at homestead. 231 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
  JEPS121325  Carex feta Jake Ruygt 1986-4-5 1680 Napa south side of Suscol Creek on ridge Comment
  UC836001  Carex feta Wilhelm N. Suksdorf 1913-7-28 707 Napa n Napa Comment
  UCD161706  Carex globosa Jake Ruygt 2010-6-21 5627 Napa Van Ness Canyon about 1/3 mile south of Wildwood house. (Coordinates converted from UTM data by label maker.) 609 Comment
  UC562284  Carex multicaulis Joseph P. Tracy 1933-4-30 12101 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD168526  Carex multicostata Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  SEINET10711635  Carex nudata Wilhelm N. Suksdorf 1913-7-28 Suksdorf 713 Napa In shade near the water of the Napa River. Comment
  UCD140700  Carex obnupta P. B. Kaufman 1950-4-28 35 Napa adjacent to U.S. Highway 99W bridge, 3.9 miles northwest of Davis. Comment
  CHSC83353  Carex praegracilis L. P. Janeway; B. Castro 2002-5-12 7530 Napa Inner North Coast Ranges. Small meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  UCD170187  Carex serratodens Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 770 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 402 Comment
  UCD63854  Carex serratodens Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road from Morgan Valley Road. 650 Comment
  CAS-BOT-BC117620  Carex serratodens Ella D. Cantelow 1939-8-8 2500 Napa 3.5 mi NW of Knoxville. Comment
  HSC103668  Carex serratodens Thomas W. Nelson, Jane Nelson 1981-4-14 6369 Napa Along Devil's Head Rd., at crossing of Cedar Creek 549 Comment
  UC1152079  Carex serratodens Joseph P. Tracy 1950-5-19 18655 Napa Conn Valley Reservoir Comment
  UCD161694  Carex subbracteata Jake Ruygt 2010-4-19 5509 Napa 0.4 mile south of Bale Mill, east side of Highway 29. 85 Comment
  UCD73522  Carex tumulicola Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD161634  Carex tumulicola Jake Ruygt 2005-3-20 4707 Napa Alston Park, Dry Creek Road, Napa. 45 Comment
  JEPS82032  Castilleja Catherine Best 1983-4-28 Napa about 6.5 mi from Atlas Peak Road intersection of Monticello Road (field on se side of Atlas Peak Road) Comment
  SJSU11484  Castilleja affinis E. C. Garbett 1961-4-15 292 Napa Brown Valley Rd between Vallejo & Brown Valley Comment
  HSC20481  Castilleja affinis Greg Bos 1963-3-3 25 Napa W shore lake Berryesa, west slope 457 Comment
  JEPS6842  Castilleja affinis subsp. affinis Peter H. Raven 1952-5-26 4071 Napa e side Wooden Valley Grade 304 Comment
  JEPS110618  Castilleja affinis subsp. neglecta Jake Ruygt 1982-5-8 1231 Napa north side American Canyon above quarry 152 Comment
  RSA195298  Castilleja applegatei subsp. martinii Gilbert Muth 1967-5-17 680 Napa Oat Hill Road, Calistoga. 671 Comment
  UCD70470  Castilleja applegatei subsp. martinii P. J. Plummer 1995-6-5 s.n. Napa W of city of Winters, hillsides off hwy 128. 73 Comment
  JEPS66536  Castilleja applegatei subsp. martinii John F. Emmel 1971-4-17 343 Napa just above Butts Canyon Road and Snell Valley Road junction 219 Comment
  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
  SEINET13732897  Castilleja applegatei subsp. pinetorum R. R. Halse 2013-3-27 8753 Napa S end of Lake Berryessa, along State Hwy 128, ca 8.7 miles W of Winters, just W of Monticello Dam. 143 Comment
  JEPS122768  Castilleja attenuata Jake Ruygt 2011-5-28 5795 Napa Atlas Peak Road, south of Foss Valley, Mead Ranch. Quad: Yountville. Comment
  UC1051668  Castilleja attenuata Peter Kamb and Francia Chisaki 1950-4-22 1763 Napa near Capell Valley, ridge top on west side (3.2 mi w of junction of the road with Calif Hwy 37) 213 Comment
  SEINET13772588  Castilleja exserta R. R. Halse 1989-1 3834 Napa Along State Hwy 28, on the Calistoga Grade, 2.7 miles N of Calistoga. 240 Comment
  JEPS10340  Castilleja exserta subsp. exserta W. L. Jepson 1915-4-13 5307 Napa Howell Mt. 609 Comment
  HSC72429  Castilleja foliolosa J. P. Smith, J. O. Sawyer 1970-5-17 3780 Napa 8 mi. N of Pope Valley Comment
  UC1217067  Castilleja foliolosa Paul C. Hutchison 1963-3-3 2675 Napa 2 mi above St. Helena Sanitarium (along the road to Pope Valley) Comment
  UCR44913  Castilleja minor subsp. spiralis L. F. LaPre, R. Bjork 1986-7-11 s.n. Napa Inner North Coast Ranges, Tributary to Hunting Creek, 1 mi south of Dunningan Hill, near the Lake Co. line 400 Comment
  OBI9646  Castilleja minor var. spiralis Robert F. Hoover 1966-8-23 9935 Napa Butts Cyn, near Lake Co line Comment
  SEINET10745043  Castilleja minor var. spiralis Willis L. Jepson 1897-7-13 Jepson 21113 Napa Moist rivulets, Butt's Canyon (Pope Valley to Coyote Valley), northern Napa Co. Comment
  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
  JEPS110678  Castilleja rubicundula subsp. lithospermoides Jake Ruygt 1981-5-3 1008 Napa American Canyon E of Flosden Road 21 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
  JEPS110679  Castilleja rubicundula subsp. rubicundula Jake Ruygt 1980-6-17 923 Napa 23.4 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 633 Comment
  UCD48216  Castilleja rubicundula subsp. rubicundula S. Burgess; A. Hufton, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 24 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting Creek, on east-facing slope of 'Research Hill'. 655 Comment
  JEPS2513 Image available Castilleja spiralis W. L. Jepson 1897-7-13 21113 Napa Butt's Canyon; ; Butt's Canyon, (Pope Valley to Coyote Valley), Napa Co. Comment
  UCD161780  Caulanthus lasiophyllus Jake Ruygt 1998-5-11 3962 -x Napa Greeg Mountain. 353 Comment
  CAS-BOT-BC47998  Ceanothus L. R. Abrams 1928-5-4 12289 Napa 4 mi. south of Middletown Comment
  CAS-BOT-BC48938  Ceanothus cuneatus E. Ruckert 1960-4-9 80 Napa 6495 Dry Creek Road, about 440 yards south of house 420 Comment
  UCD20650  Ceanothus cuneatus R. J. Blenkush; J. H. Richards 2000-1-29 44 Napa Berryessa-Knoxville Road. 1 mile north of Putah Creek Resort. 158 Comment
  UCD21545  Ceanothus cuneatus B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 4 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, next to Hunting Creek, next to the Hunting Creek Campground parking lot. 335 Comment
  UCD95690  Ceanothus cuneatus Ellen Dean; with Clare Loughran 2011-5-20 7036 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  JEPS42084  Ceanothus cuneatus var. cuneatus W. L. Jepson 1910-3-28 4022 Napa sw Rebecca Ranch grade (Calistoga) Comment
  JEPS42208  Ceanothus cuneatus var. cuneatus Willis L. Jepson 1893-4-25 13996 Napa w St. Helena (trail to Caux's Cabin); Hoods Peak Range Comment
  CAS-BOT-BC49111  Ceanothus cuneatus var. ramulosus Ira L. Wiggins 1932-3-12 5766 Napa Hillside between Franz Valley and Calistoga Comment
  UC2026388  Ceanothus dentatus Louis C. Wheeler 1952-8-30 6874 Napa MANGANESE RIDGE: Moore Creek, Howell Mountain. Comment
  CAS-BOT-BC64441  Ceanothus divergens John Thomas Howell 1941-6-21 16320 Napa Hills sw. of St. Helena. Comment
  POM161253  Ceanothus divergens R. C. Bacigalupi 1926-3-28 s.n. Napa Between 1st and 3rd summit; Mt. St. Helena Comment
  RSA26416  Ceanothus divergens J. T. Howell 1941-4-5 s.n. Napa Franz Valley Comment
  RSA32476  Ceanothus divergens Milo S. Baker 1939-02 s.n. Napa 1.5 miles west of Napa-Calistoga Hwy at a point 3/4 mile south of Connor Ranch Comment
  SEINET10778078  Ceanothus divergens subsp. divergens Dylan O. Burge 2009-1-15 Burge 1021 c Napa South of Kortum Canyon, near the border of Napa Country with Sonoma County, site accessed on foot from near the end of Pacheteau Road, 1.5 road miles (2.4 km) from SR 29 via Diamond Mountain Road and Pacheteau Road, 1.57 km 200 deg. (True) SSW of Calistoga. 240 Comment
  RSA127599  Ceanothus foliosus Peter H. Raven 1955-4-9 8264 Napa W slope of Howell Mt. 457 Comment
  CAS-BOT-BC50879  Ceanothus foliosus var. foliosus Peter H. Raven 1951-5-26 2891 Napa Howell Mtn. to St. Helena 243 Comment
  CAS-BOT-BC50919  Ceanothus foliosus var. foliosus John Thomas Howell; Alice Eastwood 1939-6-11 7430 Napa Hills west of Calistoga Comment
  CAS-BOT-BC50921  Ceanothus foliosus var. foliosus L. R. Abrams 1928-5-4 12260 Napa Mt. St. Helena trail Comment
  UCD149675  Ceanothus foliosus var. foliosus Stephen P. Rae; Ayzik Solomeshch 2006-4-14 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  UC424875  Ceanothus incanus Milo S. Baker 1929-3-27 3423 b Napa North slope Mt. St. Helena along hwy Comment
  CAS-BOT-BC50631  Ceanothus jepsonii H. E. McMinn 1922-8-2 298 Napa Upper Pope Valley along old RR bed Comment
  CAS-BOT-BC50638  Ceanothus jepsonii H. M. Hall 1931-5-27 13098 Napa Near Knoxville Comment
  UCD112061  Ceanothus jepsonii G. F. Hrusa 1995-4-2 12049 Napa Along Hwy 128 approx. 2.5 m. SW of intersection of 128 and Chiles Valley Rd., 0.05 m. W. of Nichellini Winery. 250 Comment
  CAS-BOT-BC51129  Ceanothus jepsonii var. albiflorus Mrs. Cornelia S. Masters s.n. Napa mountains of Napa Co. Comment
  CAS-BOT-BC83783  Ceanothus jepsonii var. albiflorus D. O. Burge; C. Miller 2007-6-12 940 b Napa Mayacmas Mountains, at roadside on Livermore Road 535 Comment
  UC1070780  Ceanothus jepsonii var. albiflorus A. Lewis May 1932 105 Napa Head Sarco Creek 396 Comment
  UCD123958  Ceanothus jepsonii var. albiflorus D. O. Burge and C. Miller 2007-6-12 940 e Napa Mayacamas Mountains, at roadside on Livermore Road, near Rattlesnake Spring, 0.6 road miles (1.0 km) west of SR 29, 10.5 km 356 deg. (True) NNW of Calistoga. 535 Comment
  CAS-BOT-BC51560  Ceanothus oliganthus var. sorediatus W. L. Jepson 1891-7-7 s.n. Napa in the Vaca Mts. Comment
  CAS-BOT-BC51562  Ceanothus oliganthus var. sorediatus H. E. McMinn 1923-5-26 974 b Napa Along Eticuera Creek tributary to Putah Creek Comment
  CAS-BOT-BC51564  Ceanothus oliganthus var. sorediatus H. E. McMinn 1923-5-25 974 a Napa Between Wooden Valley and Monticello 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
  UC924228  Ceanothus oliganthus var. sorediatus H. S. Reed 1939-4-16 222 Napa Napa Hills 60 Comment
  UCD112306  Ceanothus oliganthus var. sorediatus B. Crampton 1957-4-15 s.n. Napa Martley Canyon, Vaca Mountains. Comment
  UCD112309  Ceanothus oliganthus var. sorediatus Beecher Crampton 1970-4-15 8563 Napa North end of Capell Valley State Hwy. 128. Comment
  UCD167159  Ceanothus oliganthus var. sorediatus Jake Ruygt 2015-3-16 6047 Napa Sutro Ranch, west side of Atlas Peak. 563 Comment
  UCD37180  Ceanothus oliganthus var. sorediatus Beecher Crampton 1958-4-22 4740 Napa Napa County, Vaca Mountains, Markley Canyon, Highway 128. Comment
  CAS-BOT-BC53181  Ceanothus parryi Brandegee 1890-4-1 20 Napa Toll House, Mt. St. Helena Comment
  CAS-BOT-BC53215  Ceanothus parryi David D. Keck 1931-4-2 1012 Napa Foot Wooden Valley Grade, west base of Napa Range, 4.5 miles NE of Napa 90 Comment
  CAS-BOT-BC53220  Ceanothus parryi Alice Eastwood 1923-5-9 11757 Napa Mt. St. Helena Comment
  CAS-BOT-BC53224  Ceanothus parryi Alice Eastwood; John Thomas Howell 1939-6-11 7431 Napa Hills west of Calistoga Comment
  SBBG4433  Ceanothus parryi H. and M. Dearing 1939-3-2 3259 Napa Dry Crk Rd Comment
  UC1197999  Ceanothus parryi Joseph P. Tracy 1899-6-13 385 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UC762309  Ceanothus parryi R. F. Hoover 1944-4-27 4946 Napa East side of Mt St. Helena Comment
  UCD112492  Ceanothus parryi Beecher Crampton 1960-5-17 5540 Napa 6 miles west of Oakville. Comment
  UCD95981  Ceanothus parryi Ellen Dean; with Clare Loughran 2011-5-20 7070 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
  POM91088  Ceanothus parryi C. C. Parry 1888-1 s.n. Napa Calistoga. Comment
  SEINET12211101  Ceanothus parryi F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -302 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  CDA11157  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11568 Napa North Coast Biodiversity Arena; Howell Mtn., W face, 2-3 mi. W of Angwin, alongside Howell Mtn Rd. Comment
  JEPS110727  Ceanothus purpureus Jake Ruygt 1995-3-29 3412 Napa about 2 mi S of Sage Canyon Road across from boat ramp 457 Comment
  LA44989  Ceanothus purpureus Alice Eastwood; John Thomas Howell 1937-4-4 3832 Napa Wooden Valley grade 182 Comment
  POM182715  Ceanothus purpureus D. D. Keck 1931-4-2 1013 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  RSA19031  Ceanothus purpureus Alice Eastwood, John T. Howell 1937-4-4 3832 Napa Wooden Valley Grade Comment
  RSA22070  Ceanothus purpureus L. S. Rose 1939-4-16 s.n. Napa 4 miles NE of Napa. 198 Comment
  RSA755230  Ceanothus purpureus Dylan O. Burge 2007-5-4 DOB 904 c Napa Wooden Grade, NE of Mount George, roadside on Monticello Road (SR 121), 3.3 road miles E of Atlas Peak Road or 2.3 road miles W of Wooden Valley Road, at mile marker 13.88, 9.28 km 46 degrees True ENE of Napa. 360 Comment
  RSA758696  Ceanothus purpureus Dylan O. Burge 2007-5-4 DOB 905 c Napa Atlas Road, at roadside 5.7 road miles north of intersection with Monticello Road (SR 121), east of Milliken Canyon (Milliken Reservoir watershed), 11.4 km 20 degrees true north-northeast of Napa. 410 Comment
  SBBG68832  Ceanothus purpureus M. Van Rensselaer 1938-4-26 Napa Wooden Valley Grade Comment
  SEINET10778154  Ceanothus purpureus Dylan O. Burge 2007-5-4 Burge DOB 904 d Napa Wooded Grade, north-east of Mount George, roadside on Monticello Road (SR 121), 3.3 road miles (5.3 km) east of Atlas Peak Road or 2.3 road miles (3.7 km) west of Wooded Valley Road, at mile marker 13.88, 9.28 km 46 deg. (True) ENE of Napa. 360 Comment
  UC870641  Ceanothus purpureus Alice Eastwood and John Thomas Howell 1937-4-4 3832 Napa Wooden Valley Grade Comment
  UCD112678  Ceanothus purpureus Roman Gankin 1966-3-3 684 Napa State Highway 121, 1.9 miles southwest of its junction with Wooden Valley Road. Comment
  SEINET12209948  Ceanothus purpureus L. S. Rose 1937-1 37021 Napa Gorges N of Mt. George near Napa. Wooden Valley Grade, 6 mi NE of Napa 183 Comment
  JEPS110662  Ceanothus sonomensis Jake Ruygt 1991-4-5 2619 Napa 1/2 mile south of Hogback Mtn. along ridgeline 402 Comment
  UC521698  Ceanothus velutinus Joseph Andorfer Ewan 1933-9-17 8002 Napa near Stevenson monument; Mt. St. Helena Comment
  UC79913  Ceanothus velutinus T. S. Brandegee 1889-4 3 Napa Toll House Mt. St. Helena Comment
  UC1220983  Centaurea calcitrapa Beecher Crampton 1962-9-11 6674 Napa Wragg Canyon Resort Wragg Canyon; Vaca Mtns., Lake Berryessa Comment
  JEPS46949  Centaurium trichanthum W. L. Jepson 1897-7-13 14633 Napa Pope Valley to Middletown; Butts Canyon Comment
  JEPS46952  Centaurium trichanthum W. L. Jepson 1894-7-19 14635 Napa above Calistoga Comment
  UCD63163  Centromadia fitchii Jake Ruygt 1981-7-23 1077 Napa Tully Canyon. 158 Comment
  CAS-BOT-BC272828  Centromadia parryi subsp. parryi Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  UC726515  Centromadia parryi subsp. parryi A. A. Heller 1941-9-22 Napa Calistoga Comment
  UC990568  Centromadia parryi subsp. parryi James I. McMurphy 1909-8-7 697 Napa Calistoga Warm Springs Comment
Read comments
Aug 31 2011
  JEPS106652  Centromadia pungens subsp. pungens Jake Ruygt 1987-6-29 2093 Napa Horseshoe Bend, Napa River 3 Comment
  CAS-BOT-BC279255  Centromadia pungens subsp. pungens David D. Keck 1933-11-10 2725 Napa 6 mi. S. of Napa Comment
  CDA10896  Cerastium glomeratum G. F. Hrusa, M. Rejmanek 1993-5-15 10991 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS85037  Cerastium glomeratum Larry Heckard and Mary Ashton 1969-5-3 2197 Napa ca. 7 mi. n.e. Napa (Mead Ranch, off Atlas Peak Rd.); Mead Ranch 457 Comment
  HSC4108  Cerastium glomeratum W. L. Jepson 1921-5-6 9178 Napa Calistoga 109 Comment
  RSA0009691  Cerastium glomeratum Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  POM247249  Cercis occidentalis E. K. Crum 1937-8-8 1956 Napa Putah Canyon Creek, seven miles southeast of Monticello. Comment
  UC588161  Cercis occidentalis Ethel Crum 1937-8-8 1956 Napa 7 mi se Monticello; Putah Creek Canyon Comment
  UCD39159  Cercocarpus betuloides Beecher Crampton 1965-6-30 7422 Napa Mt. Vaca, Vaca Mountains. 859 Comment
  UC859440  Cercocarpus betuloides var. betuloides Alice Eastwood 1922-5-4 11280 Napa Mount St. Helena Comment
  JEPS106928  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 1982-5-19 1285 Napa 1.8 miles south of Pope Canyon Rd. on Berryessa-Knoxville R 207 Comment
  UCD161367  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 1989-4-22 2285 Napa Northeast corner of Highway 128 and Berryessa Knoxville Road. (Coordinates estimated by label maker at UC Davis). 207 Comment
  UCD148101  Chamaemelum fuscatum Jake Ruygt 1995-3-29 3411 Napa Lower Chiles Valley Road, across from Calochortus uniflorus site. 277 Comment
  JEPS106425  Chamaesyce serpillifolia subsp. serpillifolia Jake Ruygt 1978-10-22 425 Napa .3 miles north of Airport Rd., Sheehy Cr 6 Comment
  JEPS103992  Cheilanthes gracillima Jake Ruygt 1988-4-17 2154 Napa Mt. St. Helena below SW peak; upper portion of canyon 1103 Comment
  JEPS106818  Chenopodium ambrosioides Jake Ruygt 1978-9-8 407 Napa Marina Dr. at Napa River 3 Comment
  JEPS106819  Chenopodium ambrosioides Jake Ruygt 1991-8-24 2835 Napa Napa River at Bale Lane 80 Comment
  JEPS59712  Chenopodium ambrosioides W. L. Jepson 1894-11-5 Napa Napa River Comment
  JEPS59695  Chenopodium ambrosioides Willis L. Jepson 1892-7 Napa Knoxville Grade to Lower Lake Comment
  UCD161537  Chenopodium berlandieri Jake Ruygt 1991-8-24 2834 Napa Napa River at Bale Lane. 80 Comment
  JEPS106722  Chenopodium californicum Jake Ruygt 1980-3-2 816 Napa Snell Valley 176 Comment
  CDA34152  Chenopodium pumilio L. Ahart, J. Dittes, J Guardino 2009-10-27 16484 Napa Lake Berryessa: about 100 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road. Approximately, 20 miles (air) northwest of Winters. Comment
  CAS-BOT-BC238000  Chloropyron molle subsp. molle Gordon True; Catherine Best 1981-9-12 s.n. Napa At Logan Island Comment
  UCD99749  Chorizanthe membranacea K. Esau; E. Hyde 1938-5-5 s.n. Napa Napa County. Comment
  UCD21554  Chorizanthe polygonoides var. polygonoides A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 8 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. Along Devil Head Road, just upslope (south) of Knoxville-Berryessa road. West side of Devilhead Road. 487 Comment
  SEINET11933915  Chorizanthe polygonoides var. polygonoides F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -297 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 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
  JEPS120410  Cichorium intybus Jake Ruygt 2010-6-19 5612 Napa 200 yds west of Hunting Creek along Putah Creek. Comment
  JEPS59306  Cirsium cymosum var. cymosum W. L. Jepson 1938-6-8 18885 Napa w of Pope Valley; South Fork of Butts Creek Comment
  OBI57137  Cirsium cymosum var. cymosum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24516 Napa Along Aetna Springs Road on east slope of Sugarloaf Mountain Comment
  CDA1213  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
  CDA1211  Cirsium douglasii var. douglasii T. C. Fuller, H. Stabo 1959-6-2 2647 Napa Southern Napa Co. 0 Comment
  JEPS120422  Cirsium douglasii var. douglasii Jake Ruygt 2010-8-5 5683 Napa Pope Canyon, east of Walter Springs bridge, south side of creek. Comment
  CDA1306  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2254 -C Napa 2.7 km. west of Oakville; Oakville Grade, roadside cut west of summit. Comment
  CDA1308  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2256 -A Napa 1.7 mi. west of Oakville; Oakville Grade Rd. cut west of Summit. Comment
  CDA1309  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2256 -B Napa 1.7 mi. west of Oakville; Oakville Grade Rd. cut west of Summit. Comment
  JEPS126096  Cistus incanus Jake Ruygt 1979-5-20 625 Napa 0.2 miles north of Glass Mountain Road on Silverado Trail. Saint Helena 7.5' Qua. Comment
  RSA594918  Clarkia John H. Thomas 1955-5-21 5112 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  CAS-BOT-BC163512  Clarkia amoena subsp. huntiana James L. Reveal 1987-6-7 6406 Napa Along California Highway 128 near its intersection with the Berryessa-Knoxville Road, about 5 miles west-northwest of Moskowite Corner, about 13.5 airline miles north of Napa 243 Comment
  SBBG4945  Clarkia concinna H. and M. Dearing 1939-4-30 3237 Napa above St Helena Comment
  POM38096  Clarkia concinna subsp. concinna Marcus E. Jones 1881-7-6 s.n. Napa St. Helena. Comment
  UCD104555  Clarkia gracilis M. Wiesendanger 1927-5-4 681 Napa Near Monticello. Comment
  JEPS43544  Clarkia gracilis subsp. albicaulis Willis L. Jepson 1897-7-12 14360 Napa Pope Valley to Middleton; Butts Canyon Comment
  UCD81825  Clarkia gracilis subsp. sonomensis Ellen Dean 2009-4-24 5452 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  CAS-BOT-BC162478  Clarkia gracilis subsp. sonomensis Mrs. K. Brandegee 1910-5-22 120 Napa Mountain slopes from Calistoga, to the Toll House Comment
  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
  UCD104571  Clarkia gracilis subsp. tracyi L. P. Thibault 1995-6-2 61 Napa West side of Lower Chiles Valley Road, 1/4 mile NW of Highway 128. 300 Comment
  UCD54391  Clarkia gracilis subsp. tracyi Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. Knoxville Public Lands. 390 Comment
  UCD63363  Clarkia gracilis subsp. tracyi Daniel Sanchez-Mata 2006-6-11 s.n. Napa Turtle Rock-Rutherford. Lower Chiles Valley Road. Chiles Valley. 270 Comment
  RSA0060036  Clarkia gracilis subsp. tracyi Barbara Ertter, Annetta Carter 1989-5-28 8517 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 Comment
  SEINET9313592  Clarkia purpurea Unknown 1993-5-15 10982 Napa Quail Ridge Reserve Comment
  JEPS110734  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1990-6-23 2598 Napa White Creek, Wild Horse Valley Ranch 402 Comment
  RSA92804  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-5-20 2841 Napa Hills west of Oakville 122 Comment
  UCD167276  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1986-5-10 1759 Napa Devil's Canyon. 591 Comment
  JEPS129099  Clarkia purpurea subsp. viminea Jake Ruygt 2016-4-30 6217 Napa Smitty Ranch, east side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  CAS-BOT-BC164761  Clarkia rhomboidea Peter H. Raven 1951-5-26 s.n. Napa Howell Mtn just above Pope Valley Comment
  JEPS110692  Clarkia unguiculata Jake Ruygt 1978-5-21 323 Napa .3 miles east of Silverado Trail on Sage Canyon Rd. 60 Comment
  POM172134  Clarkia unguiculata J. T. Howell 1929-5-30 4268 Napa Pope Valley Creek near Samuels Springs, Napa Range. Comment
  CAS-BOT-BC439378  Claytonia gypsophiloides Alice Eastwood 1915-6-6 s.n. Napa Mt. St. Helena Comment
  JEPS48651  Claytonia gypsophiloides Elsa Kraeger 1926-3-28 Napa 0.5 mi from St. Helena Inn Comment
  UC83788  Claytonia gypsophiloides C. F. Baker 1903-4-20 2611 Napa Mt. St. Helena Comment
  RSA31697  Claytonia gypsophiloides A. A. Heller 1929-3-16 s.n. Napa Grade near foot of Mt. St. Helena. Comment
  CHSC25144  Claytonia parviflora subsp. parviflora J. E. Beitler 1970-4-12 17 Napa Found at bottom of N.E. rail support below bridge over dam of Lower Spring Mountain reservoir. Comment
  UCD100700  Claytonia parviflora subsp. parviflora G. L. Webster 1967-3-23 7497 Napa c. 1 mi S of Spanish Flat. 167 Comment
  UCD117465  Claytonia parviflora subsp. parviflora Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside near drainage pipe. 519 Comment
  UCD100748  Claytonia perfoliata M. Ramos 1996-4-20 6 Napa city of Calistoga, along side of road next to dried river bed. 137 Comment
  UCD13129  Claytonia perfoliata Etienne Oleksiewicz 1981-4-18 6 Napa on Knoxville Rd., 8.9 miles north of Pope Canyon Rd., north facing slope. Comment
  JEPS77938  Claytonia perfoliata subsp. perfoliata Edward Lee 1936-3-15 1794 Napa 0.75 mi out Rutherford (Rutherford-Pope Valley road) Comment
  UCD20832  Clematis lasiantha C. Kremen; N. Nicola 2001-3-30 48 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, along Hwy. 128, aprox. 0.5 mi. west of Montecello Dam via road. Lat/long is estimate. Comment
  UCD32567  Clematis lasiantha Beecher Crampton 1954-5-18 1918 Napa 10 minutes southwest of Monticello, along highway 128. Comment
  UCD95627  Clematis lasiantha Bill Wengeler 1995-4-16 s.n. Napa West of city of Winters; 0.2 mi W of Monticello Dam along Hwy 128. 158 Comment
  UC917146  Clematis ligusticifolia H. Popenoe 1949-6-4 32 Napa 11 1/2 mi. from Winters (on rd. to Monticello) Comment
  RSA42341  Collinsia greenei Lincoln Constance, J. F. Davidson, R. H. Shan, W. H. Wagner 1946-5-18 3046 Napa Souteast slope of Mount St. Helena, near the old inn. Comment
  CDA10866  Collinsia heterophylla G. F. Hrusa, M. Rejmanek 1993-5-15 10961 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC1196848  Collinsia heterophylla J. P. Tracy 1902-5-21 1572 Napa 3-4 mi e of Angwins (Howell Mountain, Head of Moore's Creek); Howell Mountain, Head of Moore's Creek 457 Comment
  UCD123575  Collinsia heterophylla Kamala Crompton 1996-5-12 12 Napa next to Berryessa-Knoxville Road, 1 mile of Quarry Canyon. 120 Comment
  UCD48210  Collinsia heterophylla S. Olmsted; A. Atamian, R. Brush, C. Owens, M. Furuyama 2000-4-29 17 Napa Border of Yolo and Napa County, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct 1999). 640 Comment
  UCD49262  Collinsia heterophylla Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd.,W side of creek. 167 Comment
  UCD49268  Collinsia heterophylla L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 22 Napa SW end of Lake Berryessa, Quail Ridge Reserve, on South Decker Canyon Rd., between Cut-Off Rd. and Decker Ridge Rd. 228 Comment
  UCD169606  Collinsia heterophylla var. heterophylla Ayzik Solomeshch 2008-4 s.n. Napa north side of Pope Canyon Road ca 2 km west of intersection with Berryessa-Knoxville Road. 140 Comment
  SEINET13406371  Collinsia sparsiflora M. J. Williams 1967-5-7 s.n. Napa Pope Valley. 198 Comment
  UCD123653  Collinsia sparsiflora G. F. Hrusa; S. Larson 1995-4-10 12064 Napa along Chiles Valley/Pope Valley Road approximately 2 meters south of Pope Canyon Road intersection. North Coast Biodiversity Arena. 175 Comment
  UCD13234  Collinsia sparsiflora Jim McKenna 1974-4-28 74 Napa Dutch Henry Canyon Rd, ca. 3 (airline) miles east of Calistoga. 548 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
  CDA11334  Collinsia sparsiflora var. arvensis G. F. Hrusa 1995-4-2 12044 Napa North Coast Biodiversity Arena; Above Highway 128. Comment
  UC1032605  Collinsia sparsiflora var. arvensis B. O. Schreiber 1938-4-24 2497 Napa 5.2 mi n-ne of Napa (Wooden Valley Grade); Wooden Valley Grade 274 Comment
  JEPS29585  Collinsia sparsiflora var. collina Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8442 Napa 4.8 miles N of Vichy Springs junction (with Calif. 37) along Atlas Peak road; due W of and above Milliken Reservoir. 335 Comment
  JEPS25072  Collinsia sparsiflora var. sparsiflora Joseph P. Tracy 1933-4-30 12099 Napa 3-4 mi e Angwin's (head of Moore's Creek, on hills); North Coast Ranges, Howell Mtn, Moore's Creek 396 Comment
  JEPS85014  Collinsia sparsiflora var. sparsiflora Larry Heckard, Mary Ashton 1969-5-3 2200 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd); Mead Ranch 457 Comment
  UCD123676  Collinsia sparsiflora var. sparsiflora G. F. Hrusa 1995-4-2 12046 Napa Franz Valley School Road, approximately 1 mile east of Napa/Sonoma county line. 200 Comment
  UCD123679  Collinsia sparsiflora var. sparsiflora G. E. Johnston 1974-4-4 6118 Napa Bell Canyon, quadrangle near Angwin. 426 Comment
  SBBG6883  Collinsia sparsiflora var. sparsiflora H. and M. Dearing 1939-5-1 3246 Napa top of Spring Mtn grade Comment
  JEPS128915  Collinsia tinctoria Jake Ruygt 1998-5-20 3979 Napa Chiles Canyon about 1/2 mile N of white bridge. Chiles Valley 7.5' Quad. Comment
  CAS-BOT-BC229531  Collomia diversifolia M. S. Baker 1948-5-12 12038 Napa Butts Canyon just below Black Oak Villa Comment
  CDA10847  Collomia diversifolia G. F. Hrusa, G. L. Stebbins 1994-4-18 11784 A Napa North Coast Biodiversity Arena; Swartz Cyn. Rd, approx. 2 m. NW of Aetna Springs. 228 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
  UC1278746  Collomia diversifolia G. L. Stebbins Jr. 1948-5-9 Napa 6.5 mi se Pope Valley (ne-facing slopes); Chiles Valley Comment
  UC1736677  Collomia diversifolia Dean W. Taylor 1990-5-25 10813 Napa Butts Canyon Road, near junction with Snell Road. 204 Comment
  UCD18066  Collomia diversifolia Ellen Dean; with Plant Biology 102 class 2000-4-22 621 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
  SBBG103168  Collomia heterophylla D. H. Wilken 1973-5-6 11925 Napa Las Posadas St Forest, 3 mi SE of Angwin 518 Comment
  SBBG103169  Collomia heterophylla D. H. Wilken 1973-5-6 11926 Napa summit of Howell Mtn Rd between Angwin and Pope Valley 518 Comment
  POM263160  Collomia heterophylla J. C. Roos 1939-4-29 260 Napa Blake's Canyon, Howell Mt. Comment
  UCD127310  Conium maculatum Mannix Mendoza Date unknown 15 Napa Roadside Hwy. 128, around 1/4 mile south of Lake Berryessa. Comment
  JEPS47851  Convolvulus arvensis Willis L. Jepson 1893-4-24 14502 Napa hills e of St. Helena to Conn Valley; Napa River Basin, Howell Mt. foothills Comment
  JEPS122712  Conyza bonariensis Jake Ruygt 1995-6-5 3487 Napa About 1.5 miles SE of Sage Canyon Road from boat dock. Quad: Yountville. Comment
  JEPS115762  Conyza floribunda Lowell Ahart 2009-10-12 16419 Napa At the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winter 133 Comment
  UCD123103  Cordylanthus pilosus P. Rodriguez-Rojo; D. Sanchez-Mata 1997-7-24 Napa Butts Canyon Road. Butts Creek. 350 Comment
  UCD123104  Cordylanthus pilosus P. Rodriguez-Rojo; D. Sanchez-Mata 1997-7-24 Napa Butts Canyon Road. Butts Creek. 350 Comment
  JEPS6814  Cordylanthus pilosus subsp. pilosus R. F. Hoover 1938-9-23 3859 Napa foothills e St. Helena Comment
  POM193912  Cordylanthus pilosus subsp. pilosus J. T. Howell 1929-8-4 4361 Napa One mile below Samuel's Springs, Pope Creek Canyon. Napa range. Comment
  SD131925  Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi, C. L. Custer, G. T. Robbins 1954-8-9 4750 Napa grade over shoulder of Mt. St. Helena, road from Calistoga to Middletown, near Hanley's Resort Comment
  JEPS112550  Cordylanthus pringlei Jake Ruygt 1969-12-31 3779 Napa HWY 29, .15 mile fron Lake County line. 463 Comment
  OBI57117  Cordylanthus pringlei T. I. Chuang, Fei-Mei Chuang 1970-7-25 6831 Napa 0.9 mi N of Napa and Lake County line on US hwy 29 Comment
  RSA537655  Cordylanthus pringlei L. R. Heckard, T. I. Chuang 1971-8-16 2777 Napa Along U.S. Highway 29, south of Middletown just across the Lake County line. 457 Comment
  HSC90863  Cordylanthus tenuis subsp. brunneus T. I. Chuang 1972-7-8 7061 Napa Just S of the Napa and Lake Co. line, on Hwy. 29 Comment
  JEPS80611  Cordylanthus tenuis subsp. brunneus Glenn Clifton 1981-5-27 7848 Napa ca 1 mi sw Knoxville (Devilhead Rd and junction to Hunting Creek) Comment
  CAS-BOT-BC209799  Cornus glabrata H. E. McMinn 1922-8-2 359 Napa Putah Canyon Comment
  SEINET9330248  Cornus glabrata Unknown 1954-5-20 1920 Napa 3 mi E of Rutherford, along hwy 128, Sage Canyon, Conn Creek. Growing under valley oak. Comment
  HSC58986  Cornus nuttallii D. R. Hardy 1972-5-10 Napa Close to the town of Angwin. 366 Comment
  UC126696  Cornus nuttallii Harley P. Chandler Sep 7 1906-Sep 14 1906 7155 Napa Howell Mt., Alta Loma Ranch 487 Comment
  UCD161226  Cornus nuttallii Jake Ruygt 2003-4-11 4495 Napa Howell Mtn. Rd. near Ink Grade Rd. (Coordinates estimated by label maker at UC Davis). 560 Comment
  JEPS106394  Cornus sericea subsp. sericea Jake Ruygt 1998-6-13 4022 Napa Milliken Creek south of Foss Valley. 405 Comment
  UC127159  Cornus sericea subsp. sericea Harley P. Chandler Sep 7 1906-Sep 14 1906 7150 Napa Alta Loma Ranch 487 Comment
  UC21548  Cornus sericea subsp. sericea Willis L. Jepson 1894-1 Napa Napa R. near St. Helena; Napa R. Basin, Napa R. Comment
  POM41962  Cotula coronopifolia Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SEINET3817855  Cotula coronopifolia J. M. Tucker 1959-4-18 3506 Napa In dry bed of small vernal pool near top of a hill, beside (south side of) Silverado Trail, ca. 3 miles east of Calistoga Comment
  UC1300834  Crassula connata var. subsimplex Helen K. Sharsmith 1963-3-17 5217 Napa s. side Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD121192  Crataegus monogyna Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7364 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and Recreation Flat. 526 Comment
  JEPS129024  Crepis pulchra Jake Ruygt 2016-5-7 6240 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UC1189969  Crocanthemum scoparium var. vulgare John H. Thomas 1955-5-21 5107 Napa about 6 mi from Napa (near State Highway 37, Sarco Creek drainage); Sarco Creek 243 Comment
  CHSC102518  Croton setiger Lowell Ahart 2009-10-12 16438 Napa Below the high water line on Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC189250  Cryptantha John H. Thomas 1958-4-19 7125 Napa About 2 miles SW of Oakville 152 Comment
  SD180605  Cryptantha clevelandii var. dissita Beecher Crampton 1954-5-20 1929 Napa 8.0 miles southwest of Monticello, along highway 128. Comment
  SEINET4206988  Cryptantha clevelandii var. dissita Beecher Crampton 1954-5-20 1929 Napa 8 miles southwest of Monticello, along highway 128.; 0 Comment
  UCD148934  Cryptantha flaccida Ellen Dean; Diana Hickson 2014-4-29 8146 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UC1278001  Cryptantha hispidula B. Crampton 1957-6-4 4092 Napa above Capell Creek (n end of Capell Valley); Capell Valley Comment
  UC857146  Cryptantha hispidula Milo S. Baker 1938-4-29 8939 Napa e of Pope Valley (along road from Monticello) Comment
  UCD74364  Cryptantha hispidula Jake Ruygt 1991-5-25 2697 Napa Paradise Valley. 274 Comment
  UCD161579  Cryptantha muricata Jake Ruygt 2007-5-17 5178 Napa Duff Ranch, NW of Potato Hill. 792 Comment
  HSC43990  Cryptantha rostellata Robert M. Specht 1977-4-19 684 Napa Above drainage running NE from Adams Creek (site 163) 524 Comment
  POM263126  Cupressus macnabiana J. C. Roos 1938-11-19 323 Napa Pope Valley, near Altna Springs Comment
  CAS-BOT-BC85488  Cupressus sargentii Howard E[a]rnest McMinn 193 Napa along Pope Creek in Pope Canyon from Pope Valley to Monticello Comment
  CAS-BOT-BC85490  Cupressus sargentii Howard E[a]rnest McMinn 1922-7-1 277 Napa Pope Creek in Pope Canyon Comment
  SDSU1745  Cupressus sargentii D. F. Howe 1965-8-3 4105 Napa Just south of napa-Lake Co. line on state #29. 46 Comment
  UC1083214  Cupressus sargentii Herbert L. Mason 1926-1-2 2606 Napa Toll House Canyon Mt. St. Helena, Toll House Canyon Comment
  UC972130  Cupressus sargentii Helen K. Sharsmith 1952-5-18 4083 Napa near Napa-Lake County boundary; Inner North Coast Ranges, Butts Canyon 213 Comment
  UCD38720  Cupressus sargentii Beecher Crampton 1957-6-4 4101 Napa North end of Capell Valley. Comment
  CAS-BOT-BC85481  Cupressus sargentii Peter Hamilton Raven 1951-5-26 2888 Napa Butts Canyon [Canon] Comment
  NY16808  Cupressus sargentii R. F. Hoover 1941-4-26 4930 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
  SEINET10531547  Cupressus sargentii Mary Susan Taylor, E. Pierce 1981-5-17 Taylor 3756 Napa Calistoga Pass, both sides of Hwy 29, ca. 1 mi S of Lake County line. Comment
  SEINET11739562  Cupressus sargentii F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -322 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  CAS-BOT-BC224537  Cuscuta californica John Thomas Howell 1933-8-27 11648 Napa East of Chiles Valley on road to Winters, Napa Range Comment
  JEPS47107  Cuscuta californica W. L. Jepson 1930-10-19 15691 Napa Butts Canyon Comment
  POM180775  Cuscuta indecora J. T. Howell 1930-10-19 5624 Napa Five miles from Aetna Springs on Butts Canyon road to Middletown Comment
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Feb 4 2011
  UCD170466  Cuscuta indecora var. indecora Daniel Potter; Ninh Khuu 2016-6-18 895 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 448 Comment
  JEPS116547  Cuscuta pentagona Jake Ruygt 1979-6-30 730 Napa 0.15 mile north of Ragatz Lane on Highway 29. 7.5' Yountville Quad. Comment
  UC450145  Cuscuta subinclusa Milo S. Baker Aug 1900 Napa near S.P.R.R. drawbridge; Napa River Comment
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Jan 7 2012
  SEINET891444  Cuscuta subinclusa Harley P. Chandler 1906-1 7124 Napa Alta Loma Ranch. Howell Mountain. 487 Comment
  UCD161785  Cuscuta subinclusa Jake Ruygt 2002-9-4 4454 Napa Sutro Ranch, near north end of Fir Canyon. 609 Comment
  HSC3636  Cynoglossum grande Greg Bos 1963-3-3 23 Napa W shore of Lake Berryesa, S slope of Hill. 183 Comment
  UCD121132  Cynosurus echinatus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7342 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. Near small drainage that is just west of granitic grassland on north side of road. 519 Comment
  CAS-BOT-BC114676  Cyperus eragrostis Betty H. Johnson 1958-6-20 s.n. Napa Along moist sandy edge of stream, near Mt. Mill House, 6.4 mi SW of Middletown. Comment
  UC608776  Cyperus niger Beryl O. Schreiber 1938-9-25 2550 Napa Putah Creek Canyon, North Ranch Capay Quad., Putah Creek Canyon, North Ranch 121 Comment
  JEPS116568  Cystopteris fragilis Jake Ruygt 1993-4-3 3181 Napa Little Bear Valley. Detert Reservoir 7.5' Quad. Comment
  UCD60493  Danthonia californica R. Tofsrud 1947-6-19 s.n. Napa 1 mi. S. of Calistoga on Hwy. 29. Comment
  UCD95974  Danthonia californica var. californica Ellen Dean; with Clare Loughran 2011-5-20 7068 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  JEPS7760  Datura stramonium Peter H. Raven 1951-10-28 3951 Napa c 8 mi se Knoxville (Eticuera Creek); Eticuera Creek 304 Comment
  UC657703  Datura wrightii Mrs. Hess 1941-8-27 10170 Napa near bridge at St. Andrews Camp Mt. St. Helena Comment
  UCD127396  Daucus carota R. Tofsrud 1948-6-15 s.n. Napa Exact location unknown. Comment
  JEPS104563  Daucus pusillus Jake Ruygt 1984-5-5 1546 Napa ridge north of Bell Canyon Comment
  JEPS14067  Daucus pusillus W. L. Jepson 1936-5-29 17551 Napa Howell Mt., Adam-and-Eve Ridge Comment
  UCD160779  Daucus pusillus Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8659 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  UCD161638  Daucus pusillus Jake Ruygt 2005-5-9 4823 Napa Knoxville Wildlife Area, west side of Berryessa-Knoxville Road. (Coordinates converted from UTM data by label maker.) 429 Comment
  UCD63155  Deinandra corymbosa subsp. corymbosa Jake Ruygt 2007-5-25 5209 Napa between Buchli Station Rd. and Milton Rd. 1 Comment
  LA207642  Delphinium hesperium H. Lewis; G. Mehlquist 1941-5-9 sn Napa Monticello to Fairfield road, 1.5 mi. S of road to St. Helena Comment
  LA38211  Delphinium hesperium G. Mehlquist; 355 Napa 6 mi. S of Monticello on road to Napa Comment
  UCD170304  Delphinium hesperium subsp. hesperium Daniel Potter; N Khuu, A Holland, J Poore, C Adlam 2016-3-19 844 Napa Knoxville Wildlife Area, southern portion, east of Berryessa-Knoxville Road. 231 Comment
  CAS-BOT-BC10113  Delphinium hesperium subsp. pallescens George Ledyard Stebbins 1967-5-31 6523 Napa Cedar Valley south of Knoxville 609 Comment
  CDA10886  Delphinium hesperium subsp. pallescens G. F. Hrusa, M. Rejmanek 1993-5-15 10981 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD48152  Delphinium hesperium subsp. pallescens M. Ochoa; K. Carpenter, S. Cruz, D. Goldberg, and K. Watts 2000-4-28 26 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, west of Old Knoxville Rd. 445 Comment
  CAS-BOT-BC9813  Delphinium nudicaule John Thomas Howell 1931-4-2 6080 Napa Summit of Wooden Valley Grade, 8 miles east of Napa Comment
  CHSC40063  Delphinium nudicaule L. Constance 1938-3-27 2041 Napa Above Wooden Valley 8 mi. NE. of Napa, E. slope of Howell Mountains, North Coast Ranges. 457 Comment
  CAS-BOT-BC9811  Delphinium nudicaule Belle R. Jackson 1930-6-8 s.n. Napa On Old Toll Road below Patten's Mt. St. Helena region Comment
  SEINET10762770  Delphinium nudicaule var. foliosum George Thurber Thurber 511 Napa Comment
  UC160911  Delphinium patens Joseph P. Tracy 1902-5-16 1509 Napa on hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  RSA155420  Delphinium patens L. S. Rose 1961-3-30 61026 Napa 1 mile N of Conn Reservoir, Lake Henessy. 152 Comment
  CAS-BOT-BC116487  Delphinium patens subsp. patens P. Raven 1950-4-15 1749 Napa Wooden Valley Grade, above Napa 457 Comment
  CAS-BOT-BC116491  Delphinium patens subsp. patens Alice Eastwood 1915-6-6 4688 Napa Mt. St. Helena Comment
  CAS-BOT-BC116493  Delphinium patens subsp. patens C. B. Wolf 1928-5-3 1834 Napa base of Mt. St. Helena Comment
  CAS-BOT-BC116492  Delphinium patens subsp. patens D. D. Keck 1931-4-2 1047 Napa 4 miles S. of Monticello, eastern Napa County. Comment
  JEPS100274  Delphinium uliginosum Dean W. Taylor 2001-5-15 17648 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  UCD63049  Delphinium uliginosum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 Comment
  UCR261671  Delphinium uliginosum Ann Howald 2003-5-23 2338 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 190 Comment
  RSA701031  Delphinium variegatum Wilma Griset 1931-3-29 44 Napa [Unspecified] Comment
  UCD96604  Delphinium variegatum Robert C. Bechtel 1952-4-6 51 Napa Samuel Springs, 7 miles northwest of Monticello. Comment
  UCD96665  Delphinium variegatum K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  JEPS23363  Delphinium variegatum subsp. apiculatum W. L. Jepson 1893-4-26 Napa hills near Yountville; Napa Valley Comment
  JEPS23364  Delphinium variegatum subsp. variegatum Willis L. Jepson 1893-5-1 Napa hills near Calistoga; Napa River Basin, Upper Napa Valley Comment
  UCD118741  Dendromecon rigida Katherine Graham; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  CAS-BOT-BC654  Dendromecon rigida subsp. rigida Mary Katherine (Mrs.) Brandegee 1910-5-1 94 Napa Mt. St. Helena, on slopes back of the Toll House. Comment
  CAS-BOT-BC655  Dendromecon rigida subsp. rigida Elmer Ivan Applegate 1934-3-31 8866 Napa Putah Creek region, Mayacama mountains, south of Cobb Mt. Comment
  CAS-BOT-BC656  Dendromecon rigida subsp. rigida Amos Arthur Heller 1940-6-13 15737 Napa East side of Mt. St. Helena on the rd leading to the summit just above the jctn. of the trail from the Stevenson Tablet. Comment
  CDA11314  Deschampsia cespitosa G. F. Hrusa 1988-4-16 5536 Napa North Coast Biodiversity Arena; Butts Canon, ~6 m. N Aetna Springs. Comment
  CDA12113  Deschampsia cespitosa G. F. Hrusa 1989-5-2 7186 Napa North Coast Biodiversity Arena; Hwy 128 approx. 1/2 mile S of Knoxville-Berryessa Rd. intersection. Comment
  SEINET11687431  Deschampsia cespitosa F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -318 Napa along Butts Canyon Rd near jct with Snell Valley Rd enroute to Berryessa Estates along Butts Creek 250 Comment
  POM365009  Deschampsia cespitosa subsp. cespitosa P. H. Raven 1965-5-15 20210 Napa Cedar Valley, vicinity of Knoxville. 61 Comment
  UCR43085  Deschampsia cespitosa subsp. cespitosa L. F. LaPre 1986-5-6 s.n. Napa Inner North Coast Ranges, Cedar Creek, 3.5 mi SW of Knoxville & c. 0.5 mi (air) west of Devilhead Road at the junction of the creek & a dirt road 550 Comment
  UCR43202  Deschampsia cespitosa subsp. cespitosa L. F. LaPre 1985-6-8 s.n. Napa Inner N Coast Ranges, 'Rare Plant Canyon,' a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville and just east of the Lake Co. line 366 Comment
  JEPS97742  Deschampsia danthonioides Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2773 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UCD149576  Deschampsia elongata Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD63725  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3550 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  UC333348  Dichelostemma capitatum unknown 1889-4-28 Napa above Calistoga Comment
  UCD14947  Dichelostemma capitatum Jonathan M. Irvine 1977-4-16 100 Napa California, Napa Co.; 6.4 miles SSW of Monticelo Dam along Highway 128. 182 Comment
  UCD117811  Dichelostemma capitatum subsp. capitatum Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. Along dirt road 0.1 miles northeast of fire station. North side of the road. 518 Comment
  UCD139436  Dichelostemma capitatum subsp. capitatum M. R. Wanzer 1948-4-3 4 Napa Putah Creek Canyon, 13 miles west of Winters. Comment
  UCD148243  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2013-4-6 2904 Napa Along Hwy 128, 0.4 mi W of its jct with Berryessa-Knoxville Rd. 213 Comment
  UCD148244  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2013-4-6 2905 Napa Calistoga, on N side of old landing strip, at east end. 104 Comment
  UCD170368  Dichelostemma congestum Daniel Potter; N Khuu, K Battenberg 2016-4-30 866 Napa Knoxville Wildlife Area, on ridge west of Zim Zim Falls Creek trailhead. Comment
  SJSU10162  Dichelostemma multiflorum J. F. Yoshimoto 1961-5-6 Napa Napa Valley Comment
  UCD14205  Dichelostemma volubile William Tierney 1973-5-12 77 Napa along Highway 128, 10 miles west of Winters, near Monticello Dam; 228 Comment
  CAS-BOT-BC153777  Diplacus angustatus Paul F. Covel 1940-4-28 1700 Napa CCC-Las Posadas CAmp, near Pacific Union College Comment
  CAS-BOT-BC153279  Diplacus kelloggii Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC153283  Diplacus kelloggii John Thomas Howell 1940-5-19 15452 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC153281  Diplacus kelloggii David D. Keck 1931-4-4 1089 Napa The Crater Country, 3.5 miles SE. from summit of Mt. St. Helena, northern Napa County Comment
  CAS-BOT-BC153282  Diplacus kelloggii Maxine Wilkes 1940-5-1 s.n. Napa Mt. St. Helena Comment
  JEPS129061  Dipsacus fullonum Jake Ruygt 1986-6-28 1841 Napa Tubbs Lane at Myrtledale Road, Calistoga. Calistoga 7.5' Quad. Comment
  JEPS8807  Dipsacus fullonum W. L. Jepson 1936-5-30 17563 Napa Napa Valley, Rutherford Rutherford; Napa Valley, Rutherford Comment
  CDA6691  Dipsacus fullonum Margaret Bellue 1933-5-8 Napa 0 Comment
  UCD137496  Dipsacus sativus C. Heiser 1947-5-17 1913 Napa between St. Helena and Calistoga. Comment
  RSA52659  Disporum hookeri var. hookeri I. L. Wiggins 1949-4-30 12088 Napa E flank of Mt St Helena. 915 Comment
  CAS-BOT-BC208622  Distichlis spicata Alice Eastwood 1915-6-5 4635 Napa Calistoga Comment
  CDA33361  Dittrichia graveolens Robin Breckenridge 2010-9-29 PDR# 5059105 Napa Lake Berryessa. 0 Comment
  UCD49112  Dodecatheon hendersonii C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 1 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
  UCSB4849  Dodecatheon hendersonii Keator, Glenn 1959-3-28 Napa Near south end of Lake Hennessy, Napa range. Comment
  JEPS106565  Downingia concolor var. concolor Jake Ruygt 1982-4-29 1206 Napa east of Rocktram, west of HWY 221, Suscol Plain 3 Comment
  UC1746013  Downingia concolor var. concolor Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2776 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  POM299293  Downingia concolor var. concolor Lester Rowntree 1938-5-16 s.n. Napa Atlas Peak Rd, from Napa. Comment
  UCD167135  Downingia cuspidata Jake Ruygt 2015-5-23 6108 d Napa West of Buck Mountain. 599 Comment
  SEINET10805792 Image available Downingia cuspidata Edward L. Greene 1895-5-11 Greene 1895 Napa Napa Valley Comment
  UC1188751  Downingia pusilla John H. Weiler 1960-4-22 60103 Napa 2.1 mi s Napa State Hospital entrance (at the side of State Highway 29) Comment
  POM263488  Draba verna J. C. Roos 1939-2-21 299 Napa Near Angwin, Napa Range. Comment
  UCD17966  Draba verna Ellen Dean; Kate Mawdsley 2001-4-9 685 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
  CAS-BOT-BC41389  Draba verna J. W. Stacey 1933-4-2 s.n. Napa Napa Valley. White Sulphur Springs. Comment
  UC673417  Draba verna Herbert L. Mason 1926-3-14 2739 Napa Mt. St. Helena Comment
  CAS-BOT-BC159628  Drymocallis glandulosa var. glandulosa John H. Thomas 1955-5-21 5100 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UC1543126  Drymocallis glandulosa var. wrangelliana Charlotte G. Nast 1936-3-27 74 Napa Childs Canyon Comment
  CAS-BOT-BC70949  Dryopteris arguta Rimo Bacigalupi 1924-2-22 s.n. Napa Toll house, Mt. St. Helena Comment
  CAS-BOT-BC70950  Dryopteris arguta Ira L. Wiggins 1957-6-18 14121 Napa Just north of Calistoga Comment
  HSC1036  Dryopteris arguta C. B. Wolf 1928-5-3 1841 Napa At the summit of the Mt. St. Helena Grade Comment
  RSA137332  Dryopteris arguta I. L. Wiggins 1957-6-18 14121 Napa Jst north of Calistoga Comment
  UC397024  Dryopteris arguta Dr. Goodspeed June 1929 Napa near Napa Comment
  UCD136448  Dryopteris arguta D. H. Hartmann 1942-3-7 s.n. Napa In Green Valley. Comment
  JEPS48602  Dudleya cymosa W. L. Jepson 1914-5-15 20780 Napa Knoxville Ridge Comment
  UC585508  Echinochloa crus-galli Virginia E. Long 1931-8-22 104 a Napa (between Calistoga and Mt. St. Helena) Sullivan's Halfway Station 111 Comment
  SEINET3928609  Echinochloa crus-galli Virginia E. Long 1931-8-22 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helena).; 0 111 Comment
  CAS-BOT-BC445573  Echinodorus berteroi James L. Reveal 1987-6-7 6409 Napa Along California Highway 128 at the upper end of Lake Hennessey on meadowy flats just west of the turnoff to the Chiles and Pope Valley road, about 6.5 airline miles east-southeast of St. Helena Comment
  UC1222177  Echinodorus berteroi Joseph P. Tracy 1950-8-12 19305 Napa Conn Valley Reservoir Comment
  JEPS115684  Eclipta prostrata Lowell Ahart 2009-10-27 16478 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, abou 130 Comment
  JEPS122654  Eclipta prostrata Jake Ruygt 1998-8-29 4113 Napa Berryessa at Eticuera Creek parking pullout. Quad: Water Spring. Comment
  RSA92936  Eclipta prostrata Peter H. Raven 1951-10-28 3941 Napa Conn Lake. 152 Comment
  JEPS121358  Eleocharis acicularis var. acicularis Jake Ruygt 1984-5-1 1534 Napa Suscol Hill east of Hwy 29 (221); SE of Rocktram Comment
  JEPS121359  Eleocharis acicularis var. acicularis Jake Ruygt 1983-4-4 1407 Napa .3 mile south of Old Bale Mill on Hwy 29 Comment
  JEPS121356  Eleocharis macrostachya Jake Ruygt 1996-5-13 3666 Napa .9 mile south of Pope Canyon Road on Hardin Road. Comment
  UCD19323  Eleocharis macrostachya M. A. Bibbo; E. Dean 2001-7-6 15 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline on edge of water hole downslope of the road. 320 Comment
  JEPS121353  Eleocharis parvula Jake Ruygt 1986-7-13 1879 b Napa SW of Buchli Station near county line Comment
  UCR267864  Elymus glaucus Stephen P. Rae, Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, c. 1 km west of Angwin. McCrane property 526 Comment
  CAS-BOT-BC203597  Elymus glaucus subsp. glaucus Betty H. Johnson 1958-6-20 654 Napa Near Mt. Mill House, 6.4 mi. S-W. of Middletown Comment
  JEPS122979  Elymus glaucus subsp. glaucus Jake Ruygt 1988-6-4 2212 Napa South slope Mt. St. Helena above Red Hill. Quad: Detert Reservoir. Comment
  SACT001119  Elymus glaucus subsp. glaucus John Willoughby 1975-5-23 Napa West of Monticello Dam, in foothill woodland. Comment
  JEPS122976  Elymus multisetus Jake Ruygt 1986-5-17 1768 Napa 0.4 mile east of Flosden Road on American Canyon Road. Quad: Cordelia. Comment
  JEPS122978  Elymus multisetus Jake Ruygt 1982-6-13 1315 Napa Cedar Roughs. Quad: Chiles Valley. Comment
  JEPS110831  Emmenanthe penduliflora Jake Ruygt 1989-5-9 2306 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 396 Comment
  UCD54561  Emmenanthe penduliflora K. Walker; PLB 102 2006-5-13 2 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  HSC43935  Emmenanthe penduliflora Robert M. Specht 1977-4-26 789 Napa N from Adams Creek on N side 470 Comment
  UCD119205  Emmenanthe penduliflora K. Esau; E. Hyde 1938-5-25 s.n. Napa location unknown. Comment
  UCD20751  Epilobium brachycarpum M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 100 Napa McLaughlin UC Reserve. Knoxville-Berryesa Rd. 2.4 road miles S of jct. with Devilhead Rd. W side of the road by old dirt road to an abandoned home site. 350 Comment
  CAS-BOT-BC171953  Epilobium canum subsp. latifolium Willis L. Jepson 1903-9-7 2355 Napa York Creek Canyon, Napa River Basin Comment
  JEPS110715  Epilobium minutum Jake Ruygt 1991-5-11 2669 Napa intersection Aetna Extension Rd. with Oat Hill Mine Rd. 670 Comment
  SEINET7072772 Image available Epilobium minutum A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  UCD106508  Epilobium minutum Wayne Stoner 1978-4-22 6 Napa West end of Capell Valley. 300 Comment
  UC20077  Epilobium minutum Willis L. Jepson May 1893 Napa Napa River Basin Comment
  UCD167254  Epilobium minutum Jake Ruygt 1992-4-10 2904 Napa Johnson's Meadow, Wild Horse Valley Ranch. 426 Comment
  JEPS38215  Epilobium torreyi Willis L. Jepson 1893-6-26 14409 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  UCD20763  Epipactis gigantea M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 114 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. Along Hunting Creek 100 yards upstream of junction with Sensitive Plant Canyon. 624 Comment
  RSA97973  Epipactis gigantea J. M. Tucker 1954-6-13 2709 Napa Putah Creek, 3.5 miles above Recreation Beach Comment
  UC1004708  Epipactis gigantea J. M. Tucker 1954-6-13 2709 Napa 3.5 mi above Recreation Beach; Putah Creek Comment
  JEPS103962  Equisetum laevigatum Jake Ruygt 1988-4-18 2158 Napa Newell Canyon 60 Comment
  UCD135577  Equisetum telmateia subsp. braunii Beecher Crampton 1961-6-12 5906 Napa Ca. 9 miles northeast Napa, junction State Hwy. 37 and road to Fairfield. Comment
  JEPS116561  Equisetum telmateia var. braunii Jake Ruygt 1991-4-17 2623 Napa Montgomery Creek about 1/2 mile west of Mt. Veeder Road. Rutherford 7.5' Quad. Comment
  JEPS115966  Eragrostis hypnoides Lowell Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winte 437 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
  OBI16540  Erigeron greenei Robert F. Hoover 1966-8-23 9923 Napa E side of Mt St. Helena. 1/2 mi from Lake Co line 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
  CDA10860  Eriodictyon californicum G. F. Hrusa, M. Rejmanek 1993-5-15 10955 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD119248  Eriodictyon californicum Kamala Crompton 1996-4-21 2 Napa Along Road 128. 180 Comment
  UCD73429  Eriodictyon californicum Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC242611  Eriogonum dasyanthemum John Thomas Howell 1927-8-23 3042 Napa Chiles Valley, Napa Range 213 Comment
  CAS-BOT-BC242612  Eriogonum dasyanthemum John Thomas Howell 1933-8-27 11652 Napa Chiles Valley, Napa Range Comment
  UC534876  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa near Chiles School (upper part Sage Valley); Napa Mountains, Sage Valley Comment
  CAS-BOT-BC242609  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 92 Napa Upper part of Sage Valley, Napa Mts. Comment
  RSA0005059  Eriogonum latifolium var. parvulum S. G. Stokes 1933-8-27 88 Napa End of Sage Valley, Napa Mountains. Comment
  SEINET11938082  Eriogonum luteolum F. W. Hoffman 1947-1 1368 Napa Butts Cayon near Black Oak Villa Comment
  UCD164823  Eriogonum luteolum var. luteolum Jake Ruygt 2012-9-15 5876 Napa South of Spanish Valley. 347 Comment
  RSA393327  Eriogonum nudum var. nudum E. S. Spalding 1924-7-5 s.n. Napa Near St. Helena Comment
  UCD164790  Eriogonum nudum var. nudum Jake Ruygt 2007-7-22 5249 Napa Conn Valley Road near Rossi Road. 115 Comment
  CAS-BOT-BC269715  Eriogonum nudum var. oblongifolium John Thomas Howell 1929-8-4 4357 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  UCD18120  Eriogonum nudum var. oblongifolium K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 57 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
  UCD101529  Eriogonum vimineum Robert E. Preston 1987-6-20 568 Napa 3/4 mile N of Round Corral in Big Basin. 268 Comment
  UCD161522  Eriophyllum confertiflorum Jake Ruygt 1990-6-9 2581 Napa Huichica Creek at south side of Lovall Valley. 170 Comment
  UC90304  Eriophyllum confertiflorum var. confertiflorum A. W. Robinson Napa Napa Comment
  CAS-BOT-BC301060  Eriophyllum lanatum var. achilleoides Robert M. King 1980-7-9 8418 Napa 2-3 miles north of Calistoga Comment
  JEPS34500  Eriophyllum lanatum var. achilleoides W. L. Jepson 1938-6-11 19007 Napa Knoxville Knoxville Ridge 731 Comment
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Jun 12 2012
  UCD117785  Eriophyllum lanatum var. achilleoides Marisol Gonzalez; 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
  UCD161361  Eriophyllum lanatum var. achilleoides Jake Ruygt 1988-5-29 2198 Napa Adams Ridge. (Coordinates estimated by label maker at UC Davis). 670 Comment
  UC165864  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1904-5-23 2092 Napa near Calistoga (e side of Napa Valley); Northern Coast Ranges, Napa Valley 243 Comment
  UC468950  Eriophyllum lanatum var. achilleoides H. P. Chandler 1907-5-26 7589 Napa White Sulphur Spring St. Helena, White Sulphur Spring Comment
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2
  UC1536864  Eriophyllum lanatum var. arachnoideum G. H. True Jr. 1937-6-21 737 Napa near Lokoya Lodge 365 Comment
  HSC5611  Eriophyllum lanatum var. grandiflorum Greg Bos 1963-3-24 49 Napa NW end of Lake Berryessa, at Putah Creek 473 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
  UCD169885  Erodium cicutarium Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 724 Napa Knoxville Wildlife Area. 352 Comment
  UCD170364  Eryngium Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 862 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  LA33150  Eryngium aristulatum Robert F. Hoover; 1937-8-31 2701 Napa 6 mi. S of Napa Comment
  JEPS14084  Eryngium aristulatum var. aristulatum W. L. Jepson 1938-6-8 18899 Napa Snell Valley, Playa Comment
  JEPS17448  Eryngium aristulatum var. aristulatum Willis L. Jepson 1896-6-2 14270 Napa St. Helena Napa River Basin, St. Helena Comment
  UC2026902  Eryngium aristulatum var. aristulatum David Keil 1986-11-8 19795 Napa Along Lake Berryessa Knoxville Rd. near Knoxville 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill Comment
  UC642245  Eryngium aristulatum var. aristulatum Joseph P. Tracy 1938-6-6 15837 Napa 5 mi. n. Napa City; Napa Valley 30 Comment
  JEPS120386  Erysimum capitatum Jake Ruygt 1981-4-22 997 Napa American Canyon, .3 [0.3} miles east of Flosden Road Comment
  UC673520  Erysimum capitatum H. L. Mason 1926-3-14 2725 Napa Mount St. Helena Comment
  JEPS106770  Erysimum capitatum var. capitatum Jake Ruygt 1996-4-12 3610 Napa Blue Ridge, north of Monticello Dam. 670 Comment
  SEINET8255130  Erythranthe microphylla L. Constance 1938-3-27 2040 Napa above Wooden Valley 8 mi. ne. of Napa. e. slope of Howell Mountains, North Coast Ranges. 457 Comment
  SD7071  Erythranthe moniliformis Brandegee Sept 1888 Napa Howell Mt. Comment
  CAS-BOT-BC133287  Erythronium helenae Mrs. Clara Hunt 1924-3-10 s.n. Napa unspecified Comment
  CAS-BOT-BC133291  Erythronium helenae Elmer I. Applegate 1932-3-22 7031 Napa Mount St. Helena, just east of the Palisades on the old stage road Comment
  CAS-BOT-BC133292  Erythronium helenae Ella Dales Cantelow 1938-5-1 3981 Napa N.E. slope Mt. St. Helena Comment
  CAS-BOT-BC133293  Erythronium helenae Mrs. Clara Hunt 1921-4-1 s.n. Napa Popes Valley near St. Helena Comment
  SEINET1783218  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mt. St. Helena, northern Napa Country. Comment
  SEINET882373 Image available Erythronium helenae Elmer I. Applegate 1932-1 7037 Napa Volcanic crater region of Mount St. Helena. Comment
  UC643191  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa steep northerly slope just e Palisades (on old stage road, volcanic crater region); Mt. St. Helena Comment
  RSA0000341  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mt. Helena, northern Napa County. Comment
  CAS-BOT-BC402786  Eschscholzia caespitosa John H. Thomas 1955-5-21 5131 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UCR146408  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Inner North Coast Ranges, Martley Canyon on Hwy. 128, Vaca Mountains 305 Comment
  JEPS21000  Eschscholzia caespitosa Willis L. Jepson 1893-4-28 Napa Wooden Valley Grade from Napa City Napa River Basin Comment
  UCD15073  Eschscholzia caespitosa Nicholas Ewing 1977-4-16 16 Napa California, Napa Co.; 0.8 miles east along East Bull Canyon off of Highway 128, 7.4 miles south-southwest of Monticello Dam; 152 Comment
  RSA3295  Eschscholzia caespitosa subsp. caespitosa D. D. Keck 1931-4-3 1064 Napa Pope Creek Canyon, 8 miles NW of Monticello Comment
  CAS-BOT-BC403335  Eschscholzia californica L. R. Abrams 1928-5-4 12285 Napa 4 mi. south of Middletown Comment
  CAS-BOT-BC403340  Eschscholzia californica Brandegee 1889-4-1 A Napa Mt. St. Helena Comment
  UCD48072  Eschscholzia californica S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, K. Watts 2000-4-28 20 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of Old Knoxville Rd. 426 Comment
  UCD96471  Eschscholzia hypecoides Shannon M. Still 2009-4-3 418 Napa California. Napa County: Along CA-128 at mile marker 29.26. 265 Comment
  POM138120  Euphorbia crenulata Edward L. Greene 1903-4-20 2615 Napa Mt. St. Helena. Comment
  UCD170837  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
  CDA29762  Euthamia occidentalis M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 220 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  CHSC102302  Euthamia occidentalis Lowell Ahart 2009-10-12 16420 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  JEPS32431  Euthamia occidentalis Willis L. Jepson 1893-9-24 Napa Howell Mt. Angwin's; Napa River Basin 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
  UC1093971  Euthamia occidentalis H. L. Mason 1923-10-6 771 Napa Suisan Marsh Comment
  JEPS84610  Festuca arundinacea John W. Willoughby 1979-5-25 4305 Napa about 1 mi s Signal Hill (just below and to the w of Blue Ridge); Vaca Mountains, Pansy Flat 609 Comment
  JEPS122916  Festuca californica Jake Ruygt 1999-7-10 4203 Napa Spring Mountain Road at York Creek Reservoir. Quad: Calistoga. Comment
  JEPS71213  Festuca californica W. L. Jepson 1936-7-3 17647 Napa Howell Mt. Comment
  JEPS71214  Festuca californica W. L. Jepson 1934-10-16 16895 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UC1103700  Festuca californica J. P. Tracy 1902-5-15 1453 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 487 Comment
  UC766904  Festuca californica R. F. Hoover 1941-4-26 4940 Napa e side Mt. St. Helena Comment
  UCD65855  Festuca californica subsp. californica Beecher Crampton 1959-5-7 5202 Napa Above Capell Creek, north end of Capell Valley, along State Hwy. 128. Comment
  UCD164759  Festuca elmeri Jake Ruygt 2014-6-9 5986 Napa Livermore Ranch, Bear valley. 623 Comment
  SD180623  Festuca idahoensis Beecher Crampton 1965-5-13 7328 Napa South end of Chiles Valley on highway 128 Comment
  JEPS122918  Festuca occidentalis Jake Ruygt 2002-5-25 4431 Napa Devil's Canyon (Archer Taylor Preserve). Quad: Sonoma. Comment
  UCD66254  Festuca roemeri Beecher Crampton 1954-5-6 1831 Napa 5 miles south of Monticello. Comment
  JEPS129135  Ficus carica Jake Ruygt 1994-5-22 3488 Napa Devils Canyon, Taylor Preserve. Sonoma 7.5' Quad. Comment
  RSA181404  Filago gallica James I. McMurphy 1910-6-7 s.n. Napa Between Napa Junction and Petaluma Comment
  JEPS106960  Filago pyramidata var. pyramidata Jake Ruygt 1983-6-12 1489 Napa Mt. St. Helena 743 Comment
  CAS-BOT-BC53521  Frangula californica subsp. tomentella Cornelia S. Masters 1915-6-15 s.n. Napa Mountains of Napa Co. Comment
  CAS-BOT-BC53528  Frangula californica subsp. tomentella H. E. McMinn 1922-6-8 200 Napa Pope Canyon Comment
  UCD167094  Frangula californica subsp. tomentella Jake Ruygt 2015-7-4 6148 Napa Missimer - Snell Valley Preserve. 177 Comment
  JEPS126024  Frasera albicaulis var. nitida Jake Ruygt 1979-6-3 675 Napa Oat Hill Mine Road north. Detert Reservoir 7.5' Quad. Comment
  UCD20732  Fraxinus dipetala Ellen Dean; w/ Mark Bibbo 2002-6-17 1096 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along ridge trail that connects Dead Man's Hill and East Road, east of junction with North Decker Canyon Rd. 350 Comment
  JEPS122724  Fraxinus latifolia Jake Ruygt 1979-3-13 451 Napa Northeast corner of Trefethen Vineyard along Creek. Quad: Napa Comment
  JEPS44088  Fraxinus latifolia Willis L. Jepson 1903-9-6 2333 Napa St. Helena Napa River Basin Comment
  UC1094037  Fraxinus latifolia Lewis S. Rose 1955-9-26 55190 Napa 4 mi ne Rutherford (below Conn Lake) 60 Comment
  UC1198636  Fraxinus latifolia Joseph P. Tracy 1904-5-20 2078 Napa near Rutherford (along Napa River); Northern Coast Ranges, Napa River 30 Comment
  UCD122055  Fraxinus latifolia Alton Enloe 1955-5-20 37 Napa Near Putah Creek bed; State Highway 128, ca. 10 miles southwest of Monticello Dam. Comment
  UCD40902  Fremontia californica S. Boshoren 1983-5-29 25 Napa 5 miles from Knoxville, NW on Berryessa-Knoxville Road. Comment
  CAS-BOT-BC205884  Fremontodendron californicum Agnes M. Bowman 1902-4-20 s.n. Napa Road to Knoxville Comment
  CAS-BOT-BC205889  Fremontodendron californicum Peter H. Raven 1951-6-10 2936 Napa Crater Region e. of Palisades 762 Comment
  JEPS41070  Fremontodendron californicum Rimo Bacigalupi, & L. R. Heckard, J. R. Sweeney 1965-5-16 9107 Napa Near summit of grade on the Knoxville-Lower Lake road, in the short panhandle of extreme northeastern Napa County 640 Comment
  POM136142  Fremontodendron californicum C. F. Baker 1903-5-8 2972 Napa Knoxville. Comment
  RSA77221  Fremontodendron californicum J. T. Howell 1939-5-7 14653 Napa Near head of Hunting Creek, northwest of Knoxville Comment
  SBBG26893  Fremontodendron californicum H. L. Mason 1935-5-30 10009 Napa 4 mi N of Knoxville Mines Comment
  SBBG28946  Fremontodendron californicum J. T. Howell 1939-5-7 Napa near head of Hunting Crk NW of Knoxville Comment
  UC615155  Fremontodendron californicum B. O. Schreiber 1936-9-20 2354 Napa 5 miles south of Reiff, Napa County 762 Comment
  SJSU1354  Fritillaria affinis J. W. Tilden 1953-5-24 1039 Napa NE slope of Mt St Helena 457 Comment
  UC504870  Fritillaria affinis R. M. Holman 1933-4-12 Napa near Mount Veeder Comment
  UCD18031  Fritillaria affinis Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 577 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. West-facing slope up by air quality station. 548 Comment
  CAS-BOT-BC130076  Fritillaria affinis John Thomas Howell 1926-3-20 1696 Napa Old toll road to Mt. St. Helena Comment
  POM169367  Fritillaria affinis C. F. Baker 1903-4-20 2618 Napa Mt. St. Helena. Comment
  UC583533  Fritillaria purdyi Elmer I. Applegate 1932-4-4 7038 Napa n of Calistoga (Mayacama Range, Palisades); Mayacama Range, Palisades Comment
  CAS-BOT-BC508189  Fritillaria recurva E. Crum 1936-3-15 s.n. Napa Butt's Canyon, Pope Valley - Middletown Road Comment
  JEPS61951  Fritillaria recurva W. L. Jepson 1893-4-29 14820 Napa near St. Helena (Napa Valley, on York Creek, nw of town); Napa Valley, York Creek Comment
  OBI57145  Galium andrewsii David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24508 Napa Just south of Lake Hennessy on south side of Highway 128 Comment
  UC1196110  Galium andrewsii subsp. andrewsii Joseph P. Tracy 1902-5-15 1466 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 426 Comment
  UCD148802  Galium andrewsii subsp. andrewsii Ellen Dean; Diana Hickson 2014-4-29 8109 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 592 Comment
  JEPS110607  Galium aparine Jake Ruygt 1978-4-6 258 Napa 1.0 mile west of Dry Creek Rd. on Redwood Rd. 51 Comment
  UCD49239  Galium aparine S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 28 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
  JEPS110564  Galium bolanderi Jake Ruygt 1987-5-23 2006 Napa Cedar Roughs 426 Comment
  JEPS52706  Galium bolanderi Lauramay T. Dempster and G. L. Stebbins 1963-5-26 3780 C Napa at junction road to Angwin and road to Sanitarium; n of St. Helena Comment
  JEPS110590  Galium californicum subsp. californicum Jake Ruygt 1998-6-20 4046 Napa On Palisades trail from RLSSP, first rocky opening. 438 Comment
  RSA42016  Galium nuttallii var. tenue H. C. Cantelow 1936-3-22 s.n. Napa Howell Mt. Comment
  UCD38609  Galium porrigens Beecher Crampton 1956-5-25 3485 Napa Howell Mtns. Comment
  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
  JEPS85031  Galium porrigens var. porrigens Larry Heckard and Mary Ashton 1969-5-3 2208 Napa off the Atlas Peak Rd ca 7 mi ne Napa (slope above (s of) meadow); Mead Ranch 457 Comment
Read comments
Jan 19 2007
  JEPS110560  Galium triflorum Jake Ruygt 1979-5-4 575 Napa Trefethen hillside property 91 Comment
  CAS-BOT-BC304340  Gamochaeta John Thomas Howell 1926-3-28 1775 Napa SE base of Mt St Helena in Napa Valley Comment
  UC32029  Gamochaeta ustulata Willis L. Jepson 1893-5-5 Napa sw Napa City; Napa River Basin Comment
  CHSC108726  Garrya congdonii B. Castro; L. P. Janeway 2002-5-12 1363 Napa Inner North Coast Ranges. SW-facing slope overlooking Pocock Creek along sides of the dirt road from Devilhead Road. 502 Comment
  HSC38149  Garrya congdonii Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2346 Napa Along Morgan Valley Rd., 0.5 mi. from Lake Co. line Comment
  UCD48040  Garrya congdonii R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 10 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  HSC8385  Garrya elliptica J. T. Howell 1939-5-7 14652 Napa Lower Lake-Knoxville rd. at Lake Co. line Comment
  JEPS126068  Garrya elliptica Jake Ruygt 2005-3-26 4713 Napa Skyline Park, Manzanita Trail. Mount George 7.5' Quad. Comment
  SEINET9298758  Garrya flavescens Unknown 1997-2-3 13617 Napa Serpentine margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam ~1/2 mi. Shrub, 6 ft. Comment
  CAS-BOT-BC144385  Garrya fremontii Willis L. Jepson 1896-2-23 s.n. Napa Near Toland House, Howell Mt. Comment
  UC1280974  Garrya fremontii H. E. McMinn 1936-4-4 4380 Napa 3 mi s Angwin; Howell Mt. Comment
  UCD66546  Gastridium phleoides Beecher Crampton 1965-6-30 7415 Napa Solano - Napa Counties: Summit of Mt. Vaca, Vaca Mtns. 872 Comment
  JEPS76095  Gastridium ventricosum W. L. Jepson 1938-5-25 18866 Napa Bell Canyon Howell Mt.; Napa Range, , Bell Canyon 579 Comment
  CDA5299  Gaura sinuata R. Barrett 1955-7-14 Napa At Christian Brothers Winery, Mt. LaSalle. 0 Comment
  UCD49064  Geranium dissectum Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 2 A Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, E side of South Decker Canyon Rd., N of jct with Cut-Off Rd., along open grassy slope. 152 Comment
  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
  JEPS126066  Geranium molle Jake Ruygt 2005-3-28 4737 Napa Near Knoxville Wildlife Area. Knoxville 7.5' Quad. Comment
  UCD49071  Geranium molle E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 9 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. ca. 0.45 miles (2,400 ft.) as the crow flies NW from the jct. of West Rd. and South Decker Canyon Rd. 249 Comment
  HSC98501  Geranium purpureum Barbara Ertter, Jake Ruygt 1996-4-25 14601 Napa Kroeber Ranch on NE flank of Mt. St. John, W of Rutherford in Napa Valley Comment
  JEPS21822  Geranium robertianum Margaret Whitmore 1958-4-3 33 Napa 3 mi nw Napa (on Redwood Road) 30 Comment
  JEPS69529  Gilia capitata subsp. capitata W. L. Jepson 1893-6-26 15073 Napa Howell Mtn. , Howell Mtn. (Napa River Basin) Comment
  UC52369  Gilia capitata subsp. capitata J. P. Tracy 1903-5-16 1838 Napa hill near Calistoga (Region about San Francisco Bay); , near Calistoga 152 Comment
  UCD117694  Gilia capitata subsp. capitata M. Ensign 1943-5-28 316 Napa about 26 miles north of Monticello on road to Lower Lake. Comment
  CAS-BOT-BC257666  Gilia tricolor R. C. Wenk; E. S. Wenk 2006-4-30 434 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
  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
  UCD117951  Gilia tricolor I. L. Eaks 1951-3-25 18 Napa 3 miles east of Monticello, Highway 28, Putah Canyon. Comment
  HSC58980  Gilia tricolor subsp. diffusa G. E. Johnston 1974-4-4 1201 Napa Near Bell Canyon, close to the town of Angwin 427 Comment
  JEPS110950  Gilia tricolor subsp. diffusa Jake Ruygt 1992-4-2 2872 Napa Wild Horse Valley Ranch, Johnson's meadow 451 Comment
  JEPS129069  Gilia tricolor subsp. tricolor Jake Ruygt 2016-3-26 6167 Napa Wantrup Wildlife Preserve. Saint Helena 7.5' Quad. 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
  UC796478  Githopsis specularioides Ira L. Wiggins 1949-4-30 12075 Napa about 1.5 mi ne Calistoga (along old toll road between Calistoga and Middletown) Comment
  CHSC102254  Glinus lotoides Lowell Ahart 2009-10-27 16498 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
  RSA769217  Glinus lotoides L. Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 air miles northwest of Winters 130 Comment
  CDA5877  Gnaphalium californicum R. Lawley 1958-4-11 Napa St. Helena Highway. 0 Comment
  JEPS2617 Image available Gnaphalium palustre W. L. Jepson 1896-1 Napa St. Helena Napa River Basin; St. Helena, Napa River Basin Comment
  CAS-BOT-BC304894  Grindelia hirsutula John Thomas Howell 1933-6-4 11394 Napa East side of Napa Valley near Stag's [Stags] Leap Comment
  CAS-BOT-BC304899  Grindelia hirsutula Peter H. Raven 1953-10-4 6365 Napa Duttons Landing 0 Comment
  JEPS106921  Grindelia hirsutula Jake Ruygt 1981-6-10 1053 Napa HWY 121 at Circle Oaks Dr. 292 Comment
  RSA128656  Grindelia hirsutula Peter H. Raven 1951-6-26 3040 Napa E of Napa on Monticello Rd. 61 Comment
  UC32146  Grindelia hirsutula Willis L. Jepson 1894-4-30 Napa Rebecca Ranch <gra??> Napa River Basin, Rebecca Ranch grade Comment
  UC473550  Grindelia hirsutula John Thomas Howell 1930-7-13 5346 Napa Mt. St. Helena Comment
  POM183387  Grindelia hirsutula var. davyi J. T. Howell 1930-7-13 5346 Napa Mt. St. Helena. Comment
  JEPS106785  Guillenia lasiophylla Jake Ruygt 1981-4-20 989 Napa American Canyon, .3 miles east of Flosden Road 91 Comment
  UCD161617  Gutierrezia sarothrae Jake Ruygt 2003-11-4 4565 Napa Blue Ridge about 1 mile north of Mays Flat. (Coordinates converted from UTM data by label maker). 716 Comment
  CAS-BOT-BC202652  Gyminda tonduzii James L. Reveal 1987-6-7 6394 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road, about 5.5 miles west-northwest of Vacaville Comment
  CAS-BOT-BC302214  Harmonia nutans M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC302219  Harmonia nutans Carl B. Wolf 1928-5-3 1782 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC302221  Harmonia nutans John Thomas Howell 1931-4-2 6075 Napa Wooden Valley Grade 5 miles east of Napa Comment
  CAS-BOT-BC302222  Harmonia nutans John Thomas Howell 1930-7-13 5348 Napa Edge of the Crater Country Comment
  CAS-BOT-BC302236  Harmonia nutans J. Clausen 1935-5-23 1072 Napa Howell Mountain, near summit, 6.5 mi. N.E. of St. Helena Comment
  CAS-BOT-BC302241  Harmonia nutans David D. Keck 1933-5-28 2329 Napa Howell Mountain, ca. 1 mile southwest of Pacific Union College Comment
  CAS-BOT-BC302242  Harmonia nutans David D. Keck 1933-5-28 2329 Napa Howell Mountain, ca. 1 mile southwest of Pacific Union College Comment
  CAS-BOT-BC302243  Harmonia nutans David D. Keck 1931-4-4 1088 Napa The Crater Country, 3 miles SE. from summit of Mt. St. Helena. Northwestern Napa County 950 Comment
  JEPS106554  Harmonia nutans Jake Ruygt 1982-4-3 1160 Napa 3.2 miles north of Loma Vista Dr. on Soda Canyon Rd. 304 Comment
  SBBG8600  Harmonia nutans J. Clausen 1935-5-23 1072 Napa Howell Mtn near summit, 6.5 mi NE of Saint Helena Comment
  UC165191  Harmonia nutans J. P. Tracy 1902-5-21 1619 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 518 Comment
  UC166274  Harmonia nutans Joseph P. Tracy 1902-5-20 1565 Napa on Howell Mt. road Northern Coast Ranges, Angwin Creek 457 Comment
  UC894091  Harmonia nutans Alice Eastwood 1916-6-6 4664 Napa Mt. St. Helena 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
  UCD118149  Harmonia nutans Linnea Neuhaus; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. 0.1 mile northeast of fire station, along undeveloped road, north side of road. 518 Comment
  JEPS106638  Helenium bigelovii Jake Ruygt 1996-6-15 3745 Napa White Cliff Springs, above Soda Valley (Soda Spring) 365 Comment
  JEPS106639  Helenium bigelovii Jake Ruygt 1982-6-13 1319 Napa Guilliume Springs, Cedar Roughs 292 Comment
  CDA29733  Helenium puberulum M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 215 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
  OBI16346  Helenium puberulum Robert F. Hoover 1966-8-23 9934 Napa Butts Cyn near Lake Co. line Comment
  RSA769211  Helenium puberulum L. Ahart 2009-10-12 16423 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road,, about 19 air miles west of Winters. 133 Comment
  JEPS106683  Helianthella californica subsp. californica Jake Ruygt 1977-5-1 202 Napa east of east end of Westgate Dr., Napa 134 Comment
  CDA13716  Helianthus bolanderi G. F. Hrusa, T. D. Wilfred 1997-7-24 14020 Napa North Coast Biodiversity Arena; Middle reaches of Butts Canyon +- 8-10 mi. SE of Middletown. Comment
  JEPS106667  Helianthus bolanderi Jake Ruygt 1991-8-5 2819 Napa road to Hunting Creek campground 411 Comment
  JEPS35463  Helianthus bolanderi W. L. Jepson 1938-9-24 19018 Napa Canyon of James Creek Pope Valley, Canyon of James Creek 304 Comment
  UC1069462  Helianthus bolanderi B. Schreiber 1936-9-9 2352 Napa 5 miles S of Reiff; Reiff Quad. Comment
  UC2026898  Helianthus bolanderi David Keil 1986-11-8 19789 Napa Along Lake Berryessa Knoxville Rd. near Knoxville 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill Comment
  UCD132906  Helianthus bolanderi G. F. Hrusa; T. D. Wilfred 1997-7-24 14020 Napa middle reaches of Butts Canyon +/- 8 to 10 miles southeast of Middletown. 200 Comment
  CAS-BOT-BC305534  Helianthus bolanderi Alice Eastwood 1939-8-20 7618 Napa Capell Creek Comment
  OBI74555  Helianthus bolanderi David J. Keil 1986-11-8 19789 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 2.3 mi S of turnoff to Homestead McLaughlin Mine/Mill Comment
  UC897487  Helianthus californicus Lewis S. Rose 1939-8-20 39358 Napa 14 miles E of Rutherford; Chiles Creek Canyon 304 Comment
  JEPS105354  Helianthus exilis Dean W. Taylor 1994-10-7 14712 Napa Butts Canyon Road 1.2 mi S junction Snell Valley Road 304 Comment
  UCD170285  Helianthus exilis Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 825 Napa Knoxville Wildlife Area, north of Nevada Creek. 461 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
  UCD20738  Heliotropium europaeum Ellen Dean; w/ Mark Bibbo 2002-6-17 1102 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. By field station, in the middle of the parking lot. 384 Comment
  JEPS38351  Hemizonia congesta subsp. clevelandii Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  UC194237  Hemizonia congesta subsp. lutescens H. M. Hall 1916-8-6 10262 Napa 7 km s Napa Comment
  CAS-BOT-BC309836  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1932-9-17 10763 Napa 3 miles west of Napa Comment
  CAS-BOT-BC309843  Hemizonia congesta subsp. luzulifolia Joseph Andorfer Ewan 1933-9-17 7999 Napa In Napa, Napa Valley Comment
  CDA7810  Hemizonia parryi A. Delfino 1960-10-4 Napa Tamagni Dairy, Calistoga. 0 Comment
  OBI7234  Hesperocyparis sargentii Carl B. Wolf & E. R. Johnson, E. R. Johnson 1934-10-17 6196 Napa On Middletown-Calistoga rd, 300 ft S of Lake Co Line 457 Comment
  CAS-BOT-BC231515  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Pritchard Hill, south of Lake Hennessey and Highway 128, on lands of Continuum Estate Winery, at end of private road near winery 427 Comment
  JEPS129091  Hesperolinon bicarpellatum Jake Ruygt 2016-4-26 6213 Napa Okin Ranch, Chilles Valley. Saint Helena 7.5' Quad. Comment
  UC1212352  Hesperolinon bicarpellatum Helen K. Sharsmith 1957-6-18 4605 Napa one fourth mile n Pope Valley (on road to Butt's Creek); Inner North Coast Ranges 243 Comment
  UC1212361  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4143 Napa ca 1 mi w Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  UC163930  Hesperolinon bicarpellatum Mrs. K. Brandegee 1911-6-29 113 Napa near Aetna Springs; Butts Canyon Comment
  UCD141589  Hesperolinon bicarpellatum Ellen Dean 2013-4-27 7705 Napa Las Posadas State Experimental Forest. Ridge to the north of Recreation Flat. 424 Comment
  UCR261636  Hesperolinon bicarpellatum Ann Howald 2003-5-23 2340 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 190 Comment
  CAS-BOT-BC176010  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4114 Napa Southern margin Chiles Valley near Chiles Valley School 304 Comment
  JEPS112649  Hesperolinon californicum Jake Ruygt 1988-5-29 2196 Napa Cedar Valley 603 Comment
  UC1212448  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4114 Napa southern margin of valley near Chiles Valley School; Inner North Coast Ranges, Chiles Valley 304 Comment
  UC1212522  Hesperolinon californicum Helen K. Sharsmith 1951-10-21 4039 Napa w side near creek Chiles Valley (road from Rutherford to Pope Valley); Inner North Coast Ranges 228 Comment
  JEPS122799  Hesperolinon clevelandii Jake Ruygt 2007-5-17 5179 Napa Duff Ranch, NE of High Point. QUAD: Calistoga. Comment
  CAS-BOT-BC176051  Hesperolinon clevelandii John Thomas Howell 1939-7-13 5359 Napa On the edge of the Crater Country Comment
  UC1212323  Hesperolinon clevelandii Milo S. Baker 1947-7-7 11853 Napa at end of wood road leading southerly from Mt. St. Helena Inn (towards the Crater); Inner North Coast Ranges Comment
  JEPS122798  Hesperolinon disjunctum Jake Ruygt 2005-7-10 4942 b Napa Oat Hill Mine Road North, near Corona Mine. QUAD: Detert Reservoir. Comment
  OBI22869  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4147 Napa Inner North Coast Ranges. About one mi E of spur rd to Samuels Springs, S facing slope above Pope Crk, Pope Valley-Monticello rd 122 Comment
  UCD164756  Hesperolinon disjunctum Jake Ruygt 2014-5-24 5960 Napa Camp Berryessa, north of Pope Creek. 144 Comment
  JEPS121561  Hesperolinon micranthum Adam C. Schneider with Dick O'Donnell 2013-5-26 198 Napa Along Chiles Valley Road. Comment
  JEPS122796  Hesperolinon micranthum Jake Ruygt 2005-6-1 4885 b Napa Blue Ridge, about 1 mile north of Mays Flat. QUAD: Knoxville. Comment
  JEPS122855  Hesperolinon micranthum Adam C. Schneider with Dick O'Donnell 2013-5-28 239 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
  UC1601213  Hesperolinon micranthum Helen K. Sharsmith 1951-10-21 4036 Napa 3.2 mi w Rutherford-Monticello road junction (on road to Rutherford); Inner North Coast Ranges 152 Comment
  JEPS122787  Hesperolinon sharsmithiae Jake Ruygt 2009-6-18 5438 Napa Sage Canyon, about 1/2 mile south of Nichelini Winery. QUAD: Yountville. Comment
  JEPS122791  Hesperolinon sharsmithiae Jake Ruygt 2009-6-20 5442 Napa Butts Canyon Road. QUAD: Aetna Springs. Comment
  JEPS122793  Hesperolinon sharsmithiae Jake Ruygt 2009-5-27 5424 Napa Mt. George, about 1/8 mile down road from homestead site. Tupper. QUAD: Mount George. Comment
  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
  SEINET3077394 Image available Heteromeles arbutifolia Royal D. Suttkus 1967-6-26 67- 30 -10 Napa Clearly Reserves, 7.2 miles NW of Pope Valley Comment
  UCD49138  Heteromeles arbutifolia S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 13 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  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
  JEPS106636  Holocarpha virgata Jake Ruygt 1987-7-27 2084 Napa .7 miles west of HWY 128 on Monticello Road 256 Comment
  JEPS106643  Holocarpha virgata Jake Ruygt 1978-8-20 398 Napa 1.6 mi.E of junct.Chiles and Pope V.Rd on Berryessa-Knox.Rd. 143 Comment
  UC419709  Holocarpha virgata subsp. virgata Mrs. H. P. Bracelin 1930-10-19 117 A Napa Pope Valley, near school Pope Valley Comment
  RSA92930  Holodiscus discolor Peter H. Raven 1951-8-19 3850 Napa Near Lokoya. 488 Comment
  CAS-BOT-BC149995  Holodiscus discolor var. discolor Peter H. Raven 1950-6-20 2344 Napa Between Conn Valley & Howell Mtn., Napa Range Comment
  JEPS106641  Holozonia filipes Jake Ruygt 1982-6-21 1334 Napa Suscol plain 4 Comment
  UCD36306  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1953-5-19 1308 Napa Chiles Valley. Digger Pine belt. 10 miles west of Monticello, along Hwy. 128. Comment
  UCD85520  Hordeum brachyantherum subsp. californicum Beecher Crampton 1955-5-9 2754 Napa 2 miles N of Calistoga, Myrtledale Hot Springs. Comment
  UCD85898  Hordeum marinum subsp. gussoneanum R. Tofsrud 1949-1 s.n. Napa Between Montecello and Knoxville Comment
  UCD120798  Hordeum murinum Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7334 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  UCD166690  Hypericum anagalloides Jake Ruygt 1982-6-29 1347 Napa on east side of Hwy 29, 0.3 mi south of Old Bale Mill. 88 Comment
  POM285807  Hypericum androsaemum R. C. Bacigalupi 1928-06 1876 Napa Howell Mt., 10 mi. west of St. Helena Comment
  CAS-BOT-BC410805  Hypericum concinnum Belle Richardson Jackson 1930-6-8 s.n. Napa On the old Toll Road below Patten's Mt. St. Helena region Comment
  HSC103603  Hypericum concinnum Thomas W. Nelson, Jane Nelson 1985-5-26 7810 Napa Along Aetna Springs Rd., opposite entrance road to Aetna Mine at mile post 1.75. Comment
  POM316807  Hypericum concinnum Patricia Wilder 1965-6-8 3594 Napa Monticello grade ca. 3.3 mi E of Monticello Park and 6.0 mi E of Napa on Calif. 121. 305 Comment
  CAS-BOT-BC401206  Hypericum perforatum Severin A. Baumann 1953-7-5 29 Napa Roadside of Highway 29 ca. 4 mi. S of Calistoga 45 Comment
  UCD164742  Hypericum scouleri Jake Ruygt 2014-6-23 6018 Napa Sutro Ranch, Atlas Peak, near Foss Valley. 534 Comment
  JEPS106646  Hypochaeris glabra Jake Ruygt 1990-4-1 2453 Napa White Creek, Wild Horse Valley Ranch 402 Comment
  UCD149582  Hypochaeris radicata 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
  UCD160737  Hypochaeris radicata Ellen Dean 2015-5-23 8789 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
  CDA7485  Hypochaeris radicata H. Stabo 1960-7-13 4677 Napa 0 Comment
  JEPS126072  Idahoa scapigera Jake Ruygt 1995-4-9 3420 Napa Little Bear Valley, east of Palisades. Detert Reservoir 7.5' Quad. Comment
  POM145272  Iris Simonds 1928-05 s.n. Napa Browns Valley. Comment
  UC1543148  Iris douglasiana Charlotte G. Nast 1936-3-27 78 Napa Childs Canyon 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
  JEPS126061  Iris longipetala Jake Ruygt 2009-5-22 5411 Napa American Canyon, across road from quarry. Cordelia 7.5' Quad. Comment
  UCD160672  Iris macrosiphon Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8745 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  SEINET5722883 Image available Iris macrosiphon J. A. Sheldahl 1968-1 43 Napa Pope Valley; Pope Valley Comment
  JEPS116563  Isoetes howellii Jake Ruygt 1992-5-15 2962 Napa West of vernal pool meadow, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  CAS-BOT-BC57722  Isoetes howellii D. E. Breedlove 1974-4-27 36200 Napa along Silverado Trail just north of junction with Oak Knoll Road Comment
  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
  JEPS116566  Isoetes orcuttii Jake Ruygt 2006-5-23 5040 Napa South of Wild Lake, downslope of road. Saint Helena 7.5' Quad. Comment
  JEPS106648  Jaumea carnosa Jake Ruygt 1991-7-27 2805 Napa Napa River, 100 yds north of Southern Crossing 0 Comment
  CAS-BOT-BC102318  Juglans hindsii Carl B. Wolf 1930-11-3 1801 Napa On the Munson Ranch, Napa Range, above Wooden Valley 304 Comment
  POM212280  Juglans hindsii Carl B. Wolf 1930-11-3 1800 Napa On Munson Ranch, Napa Range above Wooden Valley. 305 Comment
  RSA7626  Juglans hindsii Carl B. Wolf 1933-9-28 5514 Napa Spully Ranch at head of Gordan Valley, below Lake Curry Dam 152 Comment
  UCD13101  Juglans hindsii Stephanie Perez 1974-4-26 21 Napa NAPA CO. Silverado Trail N. Approx 1/2 mi N of intersection with Deer Park Rd. Elevation 500'. 152 Comment
  JEPS126047  Juncus acuminatus Jake Ruygt 1992-7-4 3060 Napa Wild Horse Valley Ranch, between Leoma and Mitten Lake. Mount George 7.5' Quad. Comment
  JEPS126037  Juncus balticus Jake Ruygt 1980-4-12 831 Napa Edgerley Island. Cuttings Wharf 7.5' Quad. Comment
  UCD73514  Juncus bufonius Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCR227901  Juncus bufonius Ayzik Solomeshch 2007-5-30 s.n. Napa Woolls Ranch, 1032 Veeder Road, northwest of the city of Napa 152 Comment
  UCD166701  Juncus dubius Jake Ruygt 2010-6-21 5618 Napa Highway 29 just south of Heitz Way, south side of road. 94 Comment
  UC14891  Juncus hemiendytus var. hemiendytus J. P. Tracy 1902-5-18 1534 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Head of Moores Creek 518 Comment
  UC1103653  Juncus kelloggii J. P. Tracy 1902-5-19 1555 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 518 Comment
  UC14893  Juncus kelloggii J. P. Tracy 1902-5-19 1555 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 518 Comment
  JEPS67116  Juncus kelloggii Jos. P. Tracy 1902-5-18 1534 a Napa Head of Moores Creek Howell Mt. 518 Comment
  JEPS67098  Juncus occidentalis W. L. Jepson 1891-5-1 40 b Napa Upper Conn Valley Comment
  JEPS75647  Juncus occidentalis W. L. Jepson 1936-6-1 17579 Napa w side Four Corners; Napa Range, Howell Mt. Comment
  UC1601770  Juncus occidentalis J. Burtt Davy 1894-9-29 740 Napa 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
  UCD95686  Juncus occidentalis Ellen Dean; with Clare Loughran 2011-5-20 7031 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  UCD166707  Juncus oxymeris Jake Ruygt 1986-7-5 1864 Napa Devilshead Road, past old farmhouse. 371 Comment
  RSA517031  Juncus patens W. L. Jepson 1936-6-1 17577 Napa West side of Four Corners, Howell Mt., Napa Range. Comment
  UC1151996  Juncus phaeocephalus var. paniculatus Joseph P. Tracy 1938-6-6 15847 Napa about 5 mi n Napa Comment
  JEPS122665  Juncus phaeocephalus var. phaeocephalus Jake Ruygt 1982-5-4 1224 Napa Suscol plain, between Kaiser and Highway 29 (Rocktram). Quad: Napa. Comment
  UCD148833  Juncus xiphioides Ellen Dean; Diana Hickson 2014-4-29 8138 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  UCD20537  Keckiella breviflora var. glabrisepala E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1077 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
  CAS-BOT-BC237848  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
  JEPS24507  Kickxia elatine J. H. Thomas 1960-8-29 8840 Napa about 1 mi n Calistoga (along Highway 53) Comment
  RSA475215  Kickxia elatine Aaron Liston, Sara Meury 1987-6-6 676 -1 Napa Bothe - Napa Valley State Park. 150 Comment
  JEPS122919  Koeleria macrantha Jake Ruygt 1985-5-18 1603 Napa American CAanyon, 0.4 mile east of Flosden Road. Quad: Cordelia. 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
  UCD37404  Koeleria macrantha Beecher Crampton 1960-5-17 5532 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  CAS-BOT-BC502601  Kopsiopsis strobilacea Greg de Nevers 1992-5-17 10152 Napa Mount Veeder, 3475 Mt. Veeder Rd. 304 Comment
  JEPS106649  Lagophylla minor Jake Ruygt 1981-5-21 1042 Napa Putah Dreek north of Snell Valley 231 Comment
  UCD118352  Lagophylla minor Reed Crane; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 387 Comment
  UCD48601  Lagophylla minor M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 8 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines. 297 Comment
  POM231108  Lagophylla minor Jens Clausen 1935-5-22 1069 Napa Ca. 1 miles E of Chiles Valley Store. Comment
  UC913121  Lagophylla minor David D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek just s Walters Spring; ; bridge over Pope Creek, S of Walters Spring, Napa Co. Comment
  UC89207  Lagophylla ramosissima Mrs. K. Curran 1888-8-1 Napa Howell Mountain Comment
  JEPS85022  Lamarckia aurea Larry Heckard, Mary Ashton 1969-5-3 2220 Napa 7 mi ne of Napa (Mead Ranch of the Atlas Peak Road); Mead Ranch 510 Comment
  CHSC10556  Lamium amplexicaule Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 304 Comment
  JEPS63243  Lamium amplexicaule Mrs. Clara A. Hunt 1909-3-24 Napa St. Helena Comment
  UCD18035  Lamium amplexicaule Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 586 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley, just E of site of old town of Knoxville. Near old Osage orange tree by creek. 402 Comment
  UCLA55484  Lamium amplexicaule Ira L. Wiggins 1932-3-12 5749 Napa 1 mi n Calistoga Comment
  SBBG40959  Lamium purpureum M. M. Ackley 1959-4-4 Napa near St Helena Comment
  CAS-BOT-BC338263  Lasthenia californica David D. Keck 1931-4-2 1007 Napa Foot of Wooden Valley grade, 4 miles NE. of Napa 50 Comment
  CAS-BOT-BC338271  Lasthenia californica Peter H. Raven 1950-5-6 2020 Napa Near Old Faithful Geyser n. of Calistoga 182 Comment
  UCD170814  Lasthenia californica 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
  CAS-BOT-BC338272  Lasthenia californica Peter H. Raven 1950-4-15 1730 Napa Monticello Road, Napa Valley, near Napa 182 Comment
  RSA113971  Lasthenia californica Peter H. Raven 1957-5-5 10739 Napa Hot spring, Calistoga. Comment
  RSA639491  Lasthenia californica Kay Wilder 1977-4-24 23 Napa Along Pope Canyon Road, 15.6 miles N of Knoxville junction. 385 Comment
  JEPS18248  Lasthenia californica subsp. californica Peter H. Raven 1957-5-5 10739 Napa Calistoga 91 Comment
  UC1222972  Lasthenia californica subsp. californica Joseph P. Tracy 1949-4-24 18291 Napa in saline flats at Myrtledale Hot Springs; Calistoga Comment
  UC1363760  Lasthenia conjugens Robert Ornduff 1960-4-26 6116 Napa 0.9 mi n of Soda Canyon Rd.; Silverado Trail Comment
  JEPS122747  Lasthenia glaberrima Jake Ruygt 2011-5-7 5774 Napa Pope Valley, Pope Canyon Road at vernal marsh. Quad: St. Helena. Comment
  JEPS35630  Lasthenia glaberrima W. L. Jepson 1921-5-6 9174 Napa Calistoga Comment
  UCD147460  Lasthenia glaberrima Ellen Dean; Diana Hickson 2014-4-29 8073 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UC311561  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 1869 Napa near Calistoga; Napa Valley 90 Comment
  UCD159788  Lasthenia gracilis James A. Neilson Jr. 1975-4-13 3164 Napa Soda Canyon Road, near crest. 457 Comment
  JEPS107274  Lathyrus angulatus Jake Ruygt 1990-5-6 2534 Napa Giles Mead Ranch, Atlas Peak Rd. 484 Comment
  CDA4151  Lathyrus aphaca Mrs. H. C. Ackley Jun 1963 Napa Tubbs Lane near Calistoga. 0 Comment
  RSA633346  Lathyrus aphaca Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-7 8169 Napa Northwest of St. Helena along Rt. 128. Comment
  UCD73500  Lathyrus hirsutus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC213497  Lathyrus jepsonii subsp. californicus Peter H. Raven 1952-5-29 4092 Napa Napa River 1 mi. N Napa 60 Comment
  UCD48942  Lathyrus vestitus var. vestitus S. Colby; L. Hanson, D. Bosworth, K. Sesser, G. Belley 2001-4-14 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 200 m up Cut-Off Rd. from South Decker Canyon Rd. 213 Comment
  JEPS48893  Lathyrus vestitus var. vestitus Elsa Kraeger 1926-3-28 Napa near Mt. St. Helena Inn Comment
  JEPS55351  Lathyrus vestitus var. vestitus W. L. Jepson 531 Napa Howell Mt. grade to New Eden Comment
  UC15381  Lathyrus vestitus var. vestitus unknown 1895-4-24 Napa e of St. Helena Comment
  CAS-BOT-BC323188  Layia chrysanthemoides John Thomas Howell 1931-4-3 6145 Napa North end of Pope Valley, Napa Range. Comment
  CAS-BOT-BC323195  Layia chrysanthemoides David D. Keck 1931-4-3 1074 Napa 3 miles NE of Aetna Springs, northern Napa County. Comment
  POM53342  Layia chrysanthemoides C. F. Baker 1903-4-19 1098 Napa Calistoga. Comment
  RSA261531  Layia chrysanthemoides Gilbert Muth 1971-4-10 1393 Napa Snell Valley, W side of extreme NW arm-tip of Lake Berryessa, northern Napa County. 152 Comment
  POM260852  Layia platyglossa subsp. campestris J. T. Howell 1940-5-19 15458 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC329303  Layia septentrionalis John Thomas Howell 1940-5-19 15458 Napa Upper St. Helena Creek Comment
  HSC43960  Layia septentrionalis Robert M. Specht 1977-4-19 700 Napa Above drainage running NE from Adams Creek (sire 163) 497 Comment
  JEPS106633  Layia septentrionalis Jake Ruygt 1986-4-20 1719 Napa Palisades north of Oat Hill Mine Rd. 755 Comment
  JEPS129072  Layia septentrionalis Jake Ruygt 2016-4-2 6172 e Napa Smittle Creek, west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD161693  Layia septentrionalis Jake Ruygt 2010-5-6 5542 Napa Snell Valley / Missimer Preserve, southeast drainage area. 213 Comment
  CAS-BOT-BC534369  Lemna minor Peter H. Raven 1951-6-26 3042 Napa Sarco Creek east of Napa 60 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
  CAS-BOT-BC534949  Lemna minuta Peter H. Raven 1953-4-2 5291 Napa Tulucay Creek 243 Comment
  UC1543040  Lemna trisulca Donald G. Nelson 1936-4-1 346 Napa Green Valley Falls Comment
  JEPS120414  Leontodon saxatilis subsp. longirostris Jake Ruygt 2010-6-26 5654 Napa Mead Ranch, Atlas Peak Rd.; meadow east of horse corral. Comment
  UC419737  Lepechinia calycina H. P. Bracelin 1930-7-13 27 Napa S slope of Mt St. Helena Comment
  UCD74400  Lepidium acutidens Jake Ruygt 1994-2-23 3300 Napa Tubbs Lane at Myrtledale Rd., Calistoga. 122 Comment
  UCD115356  Lepidium didymum Mrs. Rice 1921-9-27 s.n. Napa Windsor. Comment
  CDA34671  Lepidium latifolium L. Ahart 2009-10-27 16482 Napa Below the high water line of Lake Berryessa, about 150 yards southeast of Eticuera Creek, about 250 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  CHSC102265  Lepidium latifolium Lowell Ahart 2009-10-27 16482 Napa Below the high water line of Lake Berryessa, about 150 yards southeast of Eticuera Creek, about 250 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CAS-BOT-BC89767  Lepidium latipes Alice Eastwood; John Thomas Howell 1938-5-15 5521 Napa Myrtledale Hot Springs. Comment
  JEPS126122  Lepidium virginicum Jake Ruygt 2010-6-26 5651 Napa 3400 Atlas Peak Road, entrance road. Capell Valley 7.5' Qua. Comment
  CAS-BOT-BC226537  Leptosiphon acicularis Peter H. Raven 1953-5-2 5385 Napa Hills due e. of Yountville 243 Comment
  SBBG5962  Leptosiphon androsaceus H. and M. Dearing 1939-4-29 3239 Napa Conn Valley Comment
  OBI11412  Leptosiphon androsaceus Lewis S. Rose 1961-3-30 Napa 1 mi. n. of Conn Reservoir, Lake Hennessy. 152 Comment
  UCD118576  Leptosiphon androsaceus John D. Atkin 1952-5-1 15 Napa on north slope of Portuguese Canyon, about 1 mile up Putah Creek from Recreation Beach. Comment
  UCD167620  Leptosiphon bolanderi Hyosig Won 2016-4-12 13945 Napa McLaughlin UC Reserve. Northwest of old town of Knoxville. 688 Comment
  UCD167231  Leptosiphon bolanderi Jake Ruygt 2003-3-31 4486 Napa South of historic Knoxville on ridge to west. 445 Comment
  JEPS129093  Leptosiphon jepsonii Jake Ruygt 2016-4-26 6214 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  CHSC83416  Leptosiphon latisectus L. P. Janeway; B. Castro 2002-5-12 7538 Napa Inner North Coast Ranges. Near top of ridge on northeast side of Pocock Creek along the dirt road from Devilhead Road. 536 Comment
  HSC17075  Leptosiphon parviflorus C. B. Wolf 1928-5-3 1792 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  JEPS129087  Leptosiphon parviflorus Jake Ruygt 2016-4-19 6198 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  UCD121168  Leptosiphon parviflorus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7353 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Recreation Flat area. Valley. 392 Comment
  UCD48067  Leptosiphon parviflorus K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 13 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., top of hill, north-facing slope. 533 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
  UCD167237  Leptosiphon pygmaeus subsp. continentalis Jake Ruygt 1998-4-27 3939 Napa NE corner of the county, on Blue Ridge. 865 Comment
  JEPS20606  Lessingia hololeuca John Thomas Howell 1926-10-3 2210 Napa about 4 mi n of 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
  CAS-BOT-BC341993  Lessingia ramulosa R. F. Hoover 1938-6-8 3540 Napa Canyon of south fork of Butts Creek Comment
  UC1069829  Lessingia ramulosa B. Schreiber 1936-9-20 2351 Napa 5 mi s Reiff; Reiff Quad. Comment
  UC1282679  Lessingia ramulosa J. R. Sweeney 1952-6-15 955 Napa 0.4 mi se of Black Oak Villa in Butts Canyon (1.1 mi from Lake-Napa County line on Pope Valley Road); , Black Oak Villa 243 Comment
  UCD48078  Lewisia rediviva D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa, and K. Watts 2000-4-28 8 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., ca. top of hill, south of path. 548 Comment
  CAS-BOT-BC444417  Lewisia rediviva Milo S. Baker; Alice Griffin 1926-3-30 168 Son Ser. Napa The Crater, Mt St Helena Comment
  UC204945  Lewisia rediviva C. F. Sonne May 1896 Napa Hills Napa Soda Springs Soda Springs Comment
  UC187093  Leymus triticoides Joseph P. Tracy 1903-5-23 2082 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UC14914  Lilaea scilloides J. P. Tracy 1902-5-19 1548 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 518 Comment
  POM290969  Lilium rubescens Lyman Benson 1929-6-29 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC132956  Lilium rubescens Tom Craig 1941-6-18 s.n. Napa Trinity Road, east slope Comment
  POM137445  Limnanthes douglasii subsp. douglasii C. F. Baker 1903-4-19 1991 Napa Calistoga. Comment
  JEPS129068  Limnanthes douglasii subsp. nivea Jake Ruygt 2016-4-2 6169 b Napa Missimer-Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  SEINET6670525  Limnanthes douglasii subsp. nivea M. J. Williams 1967-5-7 s.n. Napa Pope Valley 198 Comment
  CDA13214  Limnanthes floccosa subsp. floccosa G. F. Hrusa, J. M. Tucker, G. L. Webster, M. Rejmanek 1996-5-4 12915 Napa North Coast Biodiversity Arena; in of Palisades in Cub Valley. MonteSol Ranch. Comment
  UC23346  Linanthus acicularis Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin Comment
  CDA10858  Linanthus androsaceus G. F. Hrusa, M. Rejmanek 1993-5-15 10953 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  SEINET5732163 Image available Linanthus bicolor Jill Bockus 1974-1 5 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon Road and Chiles Valley Road intersection. Comment
  UCD15045  Linanthus bicolor Gail Matson 1977-4-16 24 Napa California, Napa Co.; along Highway 128, 6.4 miles SW of Monticello Dam; Comment
  UC1198535  Linanthus dichotomus J. P. Tracy 1902-5-19 1559 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UC689684  Linanthus dichotomus Herbert L. Mason 1942-5-24 12540 Napa 3 mi s Pope Valley Store Comment
  UC52757  Linanthus dichotomus J. P. Tracy 1899-6-14 431 Napa Howell Mt. Comment
  CAS-BOT-BC123069  Linanthus dichotomus subsp. meridianus John Thomas Howell 1940-5-19 15459 Napa Upper St. Helena Creek. Comment
  SEINET12329985  Linanthus dichotomus subsp. meridianus F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -299 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  UC23780  Linanthus jepsonii Willis L. Jepson 1893-5-2 Napa Calistoga Napa River Basin Comment
  UC1238002  Linanthus parviflorus John Weiler 1961-4-16 6181 Napa 2 mi s Napa State Hospital (along State Highway 12) Comment
  JEPS82745  Linaria maroccana L. R. Heckard and J. C. Hickman 1984-4-16 6147 Napa 1 mi below junction with White Cottage Road (above Deer Park on road to Angwin) Comment
  JEPS37849  Lithocarpus densiflorus Willis L. Jepson 1903-9-6 2354 Napa York Creek Canyon Napa River Basin, St. Helena (St. Helena) Comment
  UC1135273  Lithocarpus densiflorus R. W. Lundh 1933-7-14 256 Napa 0.5 mi ne McCormack Ranch; Napa Quad. 426 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
  JEPS48657  Lithophragma affine Elsa Kraeger 1926-3-28 Napa 1/2 mi below Mt. St. Helena Inn (roadside); below Mt. St. Helena Inn Comment
  CAS-BOT-BC435616  Lithophragma heterophyllum L. R. Abrams 1928-5-3 12244 Napa Summit St. Helena Grade Comment
  UCD49256  Lithophragma parviflorum var. parviflorum C. Matthews; T. Petrie, C. Little, and K. Glover 2001-4-14 24 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; 50 ft. NW of N. Decker Canyon Rd./West Rd. jct; N side of road. 152 Comment
  UCD18102  Logfia filaginoides Ellen Dean; with PLB 102 class 2000-4-29 758 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCR23398  Lomatium John C. Roos 1939-3-18 302 Napa North Coast Range, Snell Valley, near Angwin 183 Comment
  JEPS16095  Lomatium californicum Willis L. Jepson 1894-4-30 14247 Napa range w. of and near Calistoga (grade to Rebecca Ranch); Napa River Basin Comment
  UCSB4595  Lomatium californicum Keator, Glenn 1959-3-28 Napa About 1 1/2 miles below Conn's picnic Area, Napa range Comment
  SBBG5203  Lomatium caruifolium H. and M. Dearing 1939-5-3 3263 Napa near Rutherford Comment
  UCD149638  Lomatium caruifolium var. caruifolium 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
  UCD127626  Lomatium dasycarpum Robert E. Preston 1987-6-18 564 Napa around 1/2 mile east of Round Corral, Big Basin. 182 Comment
  RSA452088  Lomatium dasycarpum subsp. dasycarpum Joseph A. Ewan 1934-4-30 8829 Napa Near Samuel Springs, above Monticello, on Pope Valley Grade Comment
  UCD118349  Lomatium dasycarpum subsp. tomentosum Reed Crane; 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
  RSA0000717  Lomatium dasycarpum var. medium W. L. Jepson 1896-6-2 14303 Napa Conn Valley Ridge. Napa Valley Basin. Comment
  UCD63183  Lomatium dissectum var. dissectum Jake Ruygt 1989-4-22 2262 Napa 4.7 miles NE of Atlas Peak Rd. on Monticello Rd. 286 Comment
  UCD63745  Lomatium dissectum var. dissectum Jake Ruygt 1989-4-22 2262 Napa 4.7 miles NE of Atlas Peak Rd. on Monticello Rd. 286 Comment
  UCD18047  Lomatium hooveri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 598 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
  JEPS104569  Lomatium macrocarpum Jake Ruygt 1986-5-17 1766 Napa American Canyon, .4 mile east of Flosden Road 106 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
  UCD95930  Lomatium macrocarpum Ellen Dean; with Clare Loughran 2011-5-20 7060 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 612 Comment
  UCD67609  Lomatium marginatum D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. Serpentine chaparral in Capell Creek. 250 Comment
  SD58378  Lomatium marginatum W. L. Jepson 1915-4-23 6266 Napa Chiles Creek hills 274 Comment
  JEPS104568  Lomatium marginatum var. purpureum Jake Ruygt 1998-5-2 3953 Napa Jerd Creek 329 Comment
  UC647527  Lomatium marginatum var. purpureum Joseph P. Tracy 1938-6-5 15832 Napa 5 mi. e. Angwin's (on hills at head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 396 Comment
  UCD161312  Lomatium nudicaule Jake Ruygt 1979-4-19 525 Napa Napa County : Suscol Hill west of Highway 29 (221). (Coordinates estimated by label maker at UC Davis). 30 Comment
  RSA278514  Lomatium repostum T. C. Emmel 1964-4-11 6 Napa Mount St. Helena 915 Comment
  UCD127713  Lomatium repostum G. Ledyard Stebbins Jr. 1964-5-24 6157 Napa West of Aetna Springs, ca. 1/2 mile west of Corona Mine. 670 Comment
  UCD148112  Lomatium repostum Jake Ruygt 1979-5-6 584 Napa Mt. St. Helena. 792 Comment
  SEINET7883499 Image available Lomatium repostum Unknown 1946-1 3048 Napa Southeast slope of Mount Saint Helena near the old inn Comment
  UC1197143  Lomatium utriculatum Joseph P. Tracy 1904-5-23 2084 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  UCD47867  Lomatium utriculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 25 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  UC658975  Lomatium utriculatum Mildred E. Mathias 1937-5-23 1283 Napa along Hwy. 29 Mt. St. Helena 533 Comment
  UCD16040  Lomatium utriculatum L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 20 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. West of road. 38 deg. 49' 38.7'' N, 122 deg. 20' 22.4'' W; 396 m. Comment
  JEPS104512  Lomatium vaginatum Jake Ruygt 1987-5-16 1999 Napa Devil's Canyon 588 Comment
  JEPS17558  Lomatium vaginatum W. L. Jepson 1893-5-2 14311 Napa Pope Valley grade from Calistoga; Napa Range, Napa River Basin Comment
  RSA17889  Lomatium vaginatum C. B. Wolf 1928-2-25 1482 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  POM132617  Lomatium vaginatum C. F. Baker 1903-4-20 2621 Napa Mt. St. Helena Comment
  JEPS12842  Lonicera hispidula var. vacillans Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Napa Range Comment
  CAS-BOT-BC240800  Lonicera interrupta Milo S. Baker 1926-5-1 224 b-Son ser. Napa Mt St Helena - 2 mi S.E. of Inn Comment
  UC28534  Lonicera interrupta Willis L. Jepson 1893-9-23 Napa Mt. St. Helena Napa River Basin 853 Comment
  JEPS107214  Lotus grandiflorus var. grandiflorus Jake Ruygt 1998-6-24 4058 Napa County line ridge between Taylor Bluff and Cottonwood Canyon 737 Comment
  UC15636  Lotus micranthus Willis L. Jepson Apr 1893 Napa near St. Helena; Napa River Basin Comment
  JEPS126087  Lotus purshianus Jake Ruygt 1986-5-29 1795 Napa West side Mount George. Mount George 7.5' Qua. Comment
  UCR225464  Lotus purshianus var. purshianus Jake Ruygt 2004-9-25 4673 Napa west side of Maxwell Creek (Dept. of Fish & Game Property) c. 0.5 mi from Pope Creek 168 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
  UC1197283  Lotus scoparius Joseph P. Tracy 1904-5-23 2100 Napa near Calistoga; Northern Coast Ranges 243 Comment
  JEPS129063  Lotus tenuis Jake Ruygt 1976-5-31 108 Napa .3 mile east of Atlas Peak Road on Hillcrest Drive. Napa 7.5' Quad. 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
  UCD65951  Ludwigia peploides subsp. montevidensis B. J. Grewell 2006-9-19 06- 72 -LU Napa Lake Hennessey where reservoir overflow backs up into confluence with Sage Creek south of Hwy 128. 97 Comment
  UCD65963  Ludwigia peploides subsp. montevidensis B. J. Grewell 2007-10-18 07- 106 -LU Napa Roadside drain west of Hwy 29 at Solano Avenue and Hoffman Lane crossing, Yountville, CA. 23 Comment
  CAS-BOT-BC60254  Lunaria annua Peter H. Raven 1950-5-6 2032 Napa Southern limits of Calistoga on Route 28. 60 Comment
  RSA735365  Lupinus Keith E. Hoffmaster 1946-3-23 1094 Napa Napa range, along Napa-Monticello road Comment
  JEPS64923  Lupinus albifrons Willis L. Jepson 1893-4-25 54 t Napa trail to Caux's Cabin (w of St. Helena); Napa River Basin Comment
  UCD162090  Lupinus albifrons Dylan O. Burge 2014-3-15 1487 Napa Mount Saint Helena. 850 Comment
  CAS-BOT-BC196280  Lupinus albifrons var. eminens Arno H. Wilson 1921-4-8 s.n. Napa Atlas Comment
  HSC45366  Lupinus bicolor R. York 1978-4-8 109 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  JEPS107222  Lupinus bicolor Jake Ruygt 1979-5-2 569 Napa SE corner of Big Ranch Rd. and Trancas Street, Napa 13 Comment
  JEPS107235  Lupinus bicolor Jake Ruygt 1996-5-4 3655 Napa Butts Canyon Road at James Creek Road; SE field. 205 Comment
  UCD107265  Lupinus bicolor G. E. Johnston 1974-4-4 6119 Napa near Bell Canyon, near Angwin. 426 Comment
  UCD38820  Lupinus bicolor Beecher Crampton 1958-4-29 4758 Napa Capell Valley. Comment
  UCD81439  Lupinus bicolor M. Wiesendanger 1927-5-4 s.n. Napa Monticello. Comment
  RSA264961  Lupinus bicolor subsp. umbellatus George E. Johnston 1974-4-4 10739 Napa The collection was made near Bell Canyon. Near Angwin. 427 Comment
  UCD167062  Lupinus formosus var. formosus Jake Ruygt 2000-7-31 4279 Napa Napa, Trancas Street at Villa Lane. 14 Comment
  UCD47987  Lupinus microcarpus L. Lina; E. Anderson, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 17 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on east side of the dirt road. 390 Comment
  JEPS108046  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jct. Hwy. 29 in Rutherford, 3.6 mi W jct. Lower Chiles Valley Road. Comment
  UCD16026  Lupinus microcarpus var. microcarpus N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 14 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, 3-6 dm tall, flowers light purple, white, or yellow. Comment
  CDA37922  Lupinus nanus D. G. Kelch 2010-5-6 10 .167 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UC1300898  Lupinus nanus Helen K. Sharsmith 1963-3-17 5220 Napa s side Mt. Atlas; San Francisco Bay Region, s side Mt. Atlas 609 Comment
  UCD108933  Lupinus nanus Craig Brauer 1974-4-15 7079 Napa the collection was made near Wallace Ranch. 188 Comment
  UCD70476  Lupinus nanus P. J. Plummer 1995-5-27 s.n. Napa W of city of Winters, off hwy 128. 335 Comment
  UCD161611  Lupinus nanus Jake Ruygt 2001-4-18 4308 Napa Sulphur Springs Road, St. Helena. 76 Comment
  POM670069  Lupinus polycarpus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SBBG3708  Lupinus sericatus H. and M. Dearing 1939-5-5 3276 Napa Mt Saint Helena Comment
  UCR196218  Lupinus succulentus R. J. Flannery, C. Kennedy, L. Condon, N. Strahan, C. Hallock 2000-4-22 12 Napa UC McLaughlin Reserve, north of Knoxville, west of [Knoxville-Berryessa] Road 420 Comment
  SEINET10490989  Lupinus succulentus var. succulentus J. C. Downey 1955-4-23 Downey 216 Napa Collected 4 mi e of rutherford. Eggs. Comment
  HSC89680  Lupinus vallicola Robin Bencie, Rich Dwerlkotte 1989-3-24 27 Napa A few mi. N of Callistoga, along Hwy. 29 Comment
  RSA15625  Lupinus vallicola subsp. apricus Carl B. Wolf 1928-2-25 1481 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UCD167070  Luzula comosa var. comosa Jake Ruygt 2007-3-3 5122 Napa Las Posadas States Forest, in upper meadow north of fire station. 521 Comment
  CAS-BOT-BC441245  Luzula macrantha Peter H. Raven 1953-3-29 5220 Napa Hills east of Imola 121 Comment
  CAS-BOT-BC231455  Lycium barbarum Peter H. Raven 1951-8-22 3885 Napa Napa 45 Comment
  JEPS120343  Lythrum californicum Jake Ruygt 2000-6-10 4275 Napa Adams Creek. Walter Springs 7.5' Quad. Comment
  CAS-BOT-BC343830  Madia elegans David D. Keck 1933-11-10 2714 Napa Calistoga Comment
  UCD73449  Madia elegans Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  CAS-BOT-BC343825  Madia elegans Robert M. King 1980-7-9 8419 Napa Ca. 5 miles north of Calistoga Comment
  JEPS40381  Madia elegans W. L. Jepson 1937-9-29 18570 Napa on road to sanitarium; St. Helena Comment
  UC1544800  Madia elegans Almut G. Jones 1986-8-23 7253 Napa near Calistoga Comment
  JEPS38334  Madia exigua W. L. Jepson 1936-5-29 17549 Napa Adam-and-Eve Ridge Howell Mt. Comment
  JEPS6135  Madia exigua W. L. Jepson 1897-6-2 Napa Napa Valley Comment
  CAS-BOT-BC343206  Madia gracilis Betty H. Johnson 1958-6-8 601 Napa Near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  JEPS106550  Madia gracilis Jake Ruygt 1984-5-5 1538 Napa Bell Canyon, above reservoir 426 Comment
  JEPS40220  Madia gracilis W. L. Jepson 1894-7-19 Napa Calistoga Man. Bay. Reg. Comment
  CAS-BOT-BC8139  Madia hallii Harvey Monroe Hall 1931-5-27 13094 Napa Near Knoxville, NE Napa County. Comment
  CDA11134  Madia nutans G. F. Hrusa, G. L. Stebbins, H. Townsend 1994-4-25 11824 Napa North Coast Biodiversity Arena; Mt. George. Comment
  CLARK-A1528-2006  Madia nutans John C. Roos 1939-4-16 258 Napa Angwin Comment
  POM53357  Madia nutans W. L. Jepson 1893-4-28 s.n. Napa Napa River Basin, Wooden Valley Grade Comment
  RSA170280A  Madia nutans Joseph P. Tracy 1950-5-23 18663 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  RSA503991  Madia nutans B. G. Baldwin 1987-4-26 652 Napa Las Posadas State forest (Howell Mountain), immediately north of dirt toad leading east from Las Posadas Fire Station, less than 0.1 mile east of station. Comment
  CAS-BOT-BC345054  Madia sativa A. A. Heller 1902-5-24 5603 Napa Near Napa Comment
  UC830824  Madia sativa H. E. Brown, A. A. Heller 1902-5-24 5683 Napa Napa Comment
  UCD20030  Maianthemum stellatum C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1208 Napa Junction of Glass Mountain Road and Silverado Trail. Comment
  JEPS122763  Malacothamnus fremontii Jake Ruygt 2008-7-19 5360 Napa Eticuera Creek, at Long Canyon. Quad: Knoxville. Comment
  UCD167282  Malacothamnus fremontii Jake Ruygt 1998-6-24 4059 Napa Goslin Canyon, south of hunting camp. 192 Comment
  CAS-BOT-BC347511  Malacothrix floccifera H. M. Hall 1931-5-27 13096 Napa Near Knoxville Comment
  CAS-BOT-BC347512  Malacothrix floccifera David D. Keck 1933-5-29 2368 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC347513  Malacothrix floccifera David D. Keck 1933-5-29 2368 Napa Pope Creek bridge south of Walters Springs Comment
  UCD170676  Malacothrix floccifera Matthew Conner; Plant Science 102 class 2018-4-28 12 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
  UCD161229  Marah fabacea Jake Ruygt 1986-3-4 1646 Napa 1 mile north of Hwy 12 and 0.5 miles east of Sonoma Co. line. (Coordinates estimated by label maker at UC Davis). 109 Comment
  JEPS42510  Marah fabacea Willis L. Jepson 1896-2-23 14125 Napa lower slopes Howell Mt. (near Rural Health Reteat); Napa River Basin Comment
  RSA81728  Marah oregana Roxana S. Ferris 1951-3-26 12420 Napa Oakville-Glen Ellen Road, about 2 miles from Oakville. Comment
  UCD170145  Marah watsonii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 731 Napa Knoxville Wildlife Area. 311 Comment
  JEPS120339  Marsilea vestita subsp. vestita Jake Ruygt 1992-6-13 3037 Napa Bear Valley, pond at the south end. Detert Reservoir 7.5' Quad. Comment
  SEINET8891122 Image available Matricaria discoidea Alex Lasseigne 2003-1 13730 Napa Vicinity of Oakfield grocery store.; Oakville Comment
  POM67047  Medicago polymorpha var. brevispina Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SEINET4671608  Melica geyeri W. Boyle 1942-4-25 1072 Napa Along the Silverado Trail Road 7 miles south of Calistoga Comment
  LA12170  Melica torreyana Alice Eastwood; 1922-5-4 11247 Napa Calistoga Comment
  UCD149633  Melica torreyana G. Ledyard Stebbins 1994-4-15 s.n. Napa Hennessey Lake. Comment
  UCD163272  Melica torreyana D. Slakey; CNPS Volunteers 2015-4-25 117 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  UCD89107  Melica torreyana J. Lenz 1947-4-18 s.n. Napa Eastern Napa County. Child's Valley. Comment
  CHSC102250  Mentha X piperita Lowell Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 134 Comment
  CDA29750  Mentha pulegium M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 213 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  RSA719705  Mentzelia laevicaulis Michael A. Vincent, K. Levings 2006-7-29 12925 Napa At pull-off along Interstate 80 westbound. Comment
  JEPS122695  Mesembryanthemum nodiflorum Jake Ruygt 1996-9-9 3783 Napa About 1/4 mile from west end of Green Island Road. Quad: Cuttings Wharf. Comment
  CAS-BOT-BC428856  Micranthes californica Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  SFV4057  Micropus californicus J. M. Tucker 1965-5-15 3829 Napa Along headwaters of Zim Zim Creek, about 0.5 miles west of Devilhead Road and about 3 miles south southwest of Knoxville. Comment
  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-BC348548  Micropus californicus var. californicus M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UC35584  Micropus californicus var. californicus W. L. Jepson 1893-4-26 Napa hills near Yountville Comment
  CAS-BOT-BC348679  Microseris acuminata John Thomas Howell 1931-4-19 6467 Napa Conn Valley Comment
  CAS-BOT-BC348970  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
  JEPS106892  Microseris douglasii subsp. tenella Jake Ruygt 1981-4-18 976 Napa Harris Canyon 170 Comment
  UCD63151  Microseris sylvatica Jake Ruygt 1998-4-27 3936 Napa 1/2 mile south of Knoxville Rd, east of Berryessa-Knox. Rd. 426 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
  UC1778559  Mimulus angustatus S. E. Schoenig 1998-6-5 98 -22 Napa 20 meters E of Ink Grade Rd., 0.5 miles NW of intersection with Howell Mtn Rd. 548 Comment
  UCD85031  Mimulus angustatus Dena Grossenbacher 2009-5-14 990 Napa Along east side of Ink Grade Road about 0.3 miles north of junction with Howell Mountain Road. 557 Comment
  UCD122256  Mimulus aurantiacus Bill Wengeler 1995-4-16 s.n. Napa Highway 128, approximately 0.2 miles west of Monticello Dam. 158 Comment
  HSC45331  Mimulus aurantiacus var. aurantiacus R. York 1978-4-8 104 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  JEPS10220  Mimulus aurantiacus var. aurantiacus Willis L. Jepson 1893-4-28 78 m Napa near Mt. George (Wooden Valley grade); Napa River Basin, Napa Mts. Comment
  NY90685  Mimulus bakeri C. F. Baker 1903-4-20 2608 Napa Mt. St. Helena. Comment
  UCD122512  Mimulus cardinalis D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  UCD170682  Mimulus guttatus 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  JEPS11033  Mimulus guttatus W. L. Jepson 1892-3-25 68 m Napa crest above Collins Camp; Vaca Mts. Comment
  RSA114031  Mimulus guttatus Peter H. Raven 1957-5-5 10754 Napa Calistoga. Comment
  CAS-BOT-BC7389  Mimulus guttatus var. gracilis Charles Fuller Baker 1903-4-20 2608 Napa Mt. St. Helena Comment
  CDA41702  Mimulus layneae S. E. Schoenig 1998-6-3 98 -21 Napa Research Hill, 0.1 mile southwest of Devilhead Road, 0.5 mile southwest of Knoxville-Berryessa Road, 1 mile northwest of Homestake Mine. Comment
  JEPS110611  Mimulus layneae Jake Ruygt 1989-6-17 2376 Napa Bear Valley 637 Comment
  JEPS11437  Mimulus microphyllus W. L. Jepson 1921-5-6 9173 Napa Yountville 30 Comment
  JEPS18289  Mimulus microphyllus Peter H. Raven 1957-5-5 10754 Napa near Airport; Calistoga 91 Comment
  UC147911  Mimulus nasutus J. P. Tracy 1902-5-15 1472 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  CDA41840  Mimulus nudatus S. E. Schoenig 1998-6-3 98 -19 Napa 200 meters wast of Knoxville-Berryessa Road, 2 miles south of Homestake Mine. Comment
  JEPS100845  Mimulus nudatus Dean Wm. Taylor with Mey Akasah 1999-6-4 17223 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  UCD163405  Mimulus nudatus D. Slakey; CNPS Volunteers 2015-4-25 119 Napa South side of Hunting Creek Road, about 900 road meters east of the Campground at the west end of the road. Behind fence. 411 Comment
  JEPS110594  Mimulus pulsiferae Jake Ruygt 1992-5-6 2946 Napa west of Mitten Lake, Wild Horse Valley 420 Comment
  UC1196779  Mimulus pulsiferae J. P. Tracy 1902-5-21 1608 Napa 3-4 mi e Angwin's (head of Moore's Creek, on La Jota Plateau); Howell Mountain, La Jota Plateau 518 Comment
  UC1746031  Mimulus pulsiferae Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2766 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS106745  Minuartia californica Jake Ruygt 1978-3-12 242 Napa .8 miles northeast of Buuts Canyon Rd. on Snell Valley Rd. 185 Comment
  JEPS22478  Minuartia californica Willis L. Jepson 1893-4-26 Napa La Lomita Napa River Basin Comment
  UC1301217  Minuartia californica Helen K. Sharsmith 1963-3-17 5225 Napa Mt. Atlas San Francisco Bay Region (s side) 609 Comment
  CAS-BOT-BC174565  Minuartia californica Peter H. Raven 1950-4-15 1753 Napa Wooden Valley Grade, above Napa 457 Comment
  CAS-BOT-BC388755  Minuartia douglasii Alice Eastwood 1915-6-6 4677 Napa Mt. St. Helena Comment
  JEPS51499  Minuartia douglasii W. L. Jepson 1938-5-22 18824 Napa Snell Valley Comment
  JEPS22490  Minuartia douglasii Willis L. Jepson 1893-4-25 Napa tril to Canx's<?> Cabin Napa River Basin Comment
  JEPS84704  Minuartia douglasii John W. Willoughby 1977-4-20 2140 Napa below and just to s of Mount Vaca (w side of ridge); Vaca Mountains, Blue Ridge 457 Comment
  UC1300957  Minuartia douglasii Helen K. Sharsmith 1963-4-20 5349 Napa on Monticello Road San Francisco Bay Region, Napa Range (sw slope of Range) 152 Comment
  CAS-BOT-BC488327  Monardella villosa subsp. villosa Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca 2 km W of intersetion with Berryessa-Knoxville Road 140 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-BC220694  Monardella viridis Peter H. Raven 1951-8-21 3874 Napa Mt. Veeder 762 Comment
  UCD170469  Monardella viridis Daniel Potter; Ninh Khuu 2016-6-18 898 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 456 Comment
  UCD41412  Monardella viridis Mark Bibbo; Ellen Dean, Alex Lee, Burak Petin 2003-4-26 126 Napa Bureau of Land Management land S of McLaughlin UC Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek, in forest by stream that crosses trail. 320 Comment
  UCD82594  Monardella viridis Ellen Dean; T. Starbuck 2009-5-4 5533 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCD166673  Monardella viridis Jake Ruygt 1992-6-22 3048 Napa Wild Horse Valley Ranch, northwest of vernal pool meadow. 481 Comment
  JEPS2654  Monardella viridis subsp. viridis W. L. Jepson 1894-10-13 70 d Napa Upper Conn Valley Napa Range; Upper Conn Valley, Napa Range Comment
  JEPS55471  Monardella viridis subsp. viridis Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena Comment
  UCD170447  Monolopia major Daniel Potter; Ninh Khuu 2017-5-14 919 Napa Knoxville Wildlife Area, along Nevada Creek. 330 Comment
  UCD23397  Montia perfoliata Julia Knorr 1977-4-16 5 Napa White and purple flowers. Foothill woodland, N facing slope, full shade. 6.4 miles W from Monticello Dam on Highway 128. Comment
  CAS-BOT-BC515121  Muilla maritima Alice Eastwood 1915-6-5 4630 Napa Calistoga Comment
  CAS-BOT-BC515122  Muilla maritima David D. Keck 1931-4-4 1096 Napa Geyers just NW of Calistoga, northwestern Napa County Comment
  CAS-BOT-BC515123  Muilla maritima John Thomas Howell 1926-3-27 1760 Napa Myrtledale Hot Springs, near Calistoga Comment
  JEPS110883  Myosurus minimus Jake Ruygt 1982-3-26 1147 Napa Suscol plain east of Kaiser (Rocktram) 3 Comment
  JEPS126063  Myriophyllum hippuroides Jake Ruygt 2010-8-5 5688 Napa Small lake south of Wild Lake. Saint Helena 7.5' Quad. Comment
  CDA19129  Myriophyllum spicatum T. Allen 2001-7-12 PDR 1103267 Napa In Lake Berryessa, close to 4290 Knoxville Rd., Napa. 0 Comment
  CDA10880  Nassella lepida G. F. Hrusa, M. Rejmanek 1993-5-15 10975 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS45794  Nassella lepida Eleanor Armstrong 1932-6-8 190 Napa 4 mi sw Mt. Mill House; Mt. St. Helena 304 Comment
  UCD87825  Nassella lepida Beecher Crampton 1956-5-25 3481 Napa Howell Mountains, above Wooden Valley. Comment
  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
  CAS-BOT-BC260178  Nassella pulchra H. M. Hall 1921-4-14 11265 Napa Near Napa junction Comment
  SEINET7073049  Nassella pulchra A. G. Vestal 1963-4-7 s.n. Napa Low flat about 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD27. Comment
  UCD167174  Navarretia divaricata subsp. vividior Jake Ruygt 1986-5-24 1788 Napa Table Mountain. 731 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
  RSA128369  Navarretia jepsonii P. H. Raven 1950-6-20 s.n. Napa Just above Aetna Springs, Pope Valley Comment
  UC908643  Navarretia jepsonii Mrs. K. Brandegee Jul 26 1910-Jun 1 1911 148 Napa near Aetna Springs Comment
  UCD48416  Navarretia jepsonii Mrs. K. Brandegee 1910-7-26 148 Napa Near Aetna Springs, Napa County, in depression in clay soil. Comment
  UC52368  Navarretia leucocephala subsp. bakeri J. P. Tracy 1903-5-16 1853 Napa near Calistoga; San Francisco Bay Region 91 Comment
  UCD48586  Navarretia mellita Beecher Crampton 1965-6-30 7393 Napa summit of Mt. Vaca, Vaca Mountains. 872 Comment
  CAS-BOT-BC232672  Navarretia pubescens Edward Lee Greene 1881-6-30 s.n. Napa Calistoga Comment
  UC1051755  Navarretia pubescens Helen K. Sharsmith 1953-6-15 4184 Napa se slope Capell Valley (just w of junction of Capell Valley and Monticello roads); Inner North Coast Ranges, Capell Valley 274 Comment
  UCD148817  Navarretia pubescens Ellen Dean; Diana Hickson 2014-4-29 8123 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  RSA92795  Navarretia pubescens P. H. Raven 1951-3-26 2879 Napa Butts Canyon . 305 Comment
  UC133924  Navarretia pubescens J. P. Tracy 1899-6-17 434 Napa Adobe Flat Howell Mt. 426 Comment
  UCD167195  Navarretia pubescens Jake Ruygt 2010-6-5 5591 Napa Snell Valley, Missimer Preserve, 33 acre addition. 176 Comment
  UCD48623  Navarretia pubescens Katherine Lahey 1981-5-24 102 Napa Napa Co. 2.2 mi S of junction State Hwy's 128 and 121 on Hwy 128 roadside. 243 Comment
  JEPS123301  Navarretia rosulata David Gowen with Joe Callizo, Dick O'Donnell 2009-7-6 1080 Napa Cedar Roughs. Comment
  JEPS70447  Navarretia squarrosa W. L. Jepson 1893-6-26 20949 Napa Howell Mt. Napa Range Comment
  JEPS70480  Navarretia tagetina Willis L. Jepson 1893-6-26 15027 Napa Howell Mt. Napa River Basin Comment
  JEPS70485  Navarretia tagetina W. L. Jepson 1894-10-14 15022 Napa sw of Calistoga (hills back of Rebecca Ranch); Napa River Basin Comment
  RSA73125  Navarretia tagetina M. S. Jussel 1937-5-23 s.n. Napa Palisades. 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
  UCD149662  Nemacladus montanus Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  JEPS5480  Nemacladus montanus M. S. Jussel 1901-6-1 Napa Napa Comment
  SEINET10461258  Nemacladus montanus Rimo Bacigalupi, Lauramay T. Dempster; Guy T. Robbins 1954-5-25 Bacigalupi 4508 Napa Barren serpentine slopes above Soda Creek along State Highway 28, 8.2 miles east of Conn Lake (reservoir) Comment
  UCD126389  Nemacladus montanus Herbert L. Mason 1935-5-30 s.n. Napa 4 miles north of Knoxville Mines. Comment
  SEINET3815165 Image available Nemacladus rigidus Herbert L. Mason 1935-5-30 10000 Napa Four miles N of Knoxville Mines Comment
  CAS-BOT-BC7191  Nemophila heterophylla Mary Katherine (Mrs.) Brandegee 1889-4-1 s.n. Napa St. Helena 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
  UCD120070  Nemophila heterophylla M. Wiesendanger 1928-4-5 857 Napa Monticello-Napa Rd. Comment
  JEPS1514  Nemophila heterophylla John Thomas Howell 1926-3-20 1694 Napa Old toll road to Mt. St. Helena Comment
  JEPS110841  Nemophila menziesii Jake Ruygt 1977-3-14 156 Napa .2 mile north of Silverado Trail on Soda Canyon Rd. 121 Comment
  UCD120214  Nemophila menziesii G. F. Hrusa; S. Larson 1995-4-10 12063 Napa Along Chiles Valley/Pope Valley Rd. approx. 2 m. S of Pope Canyon Rd. intersection. North Coast Biodiversity Arena. 175 Comment
  UCD120237  Nemophila menziesii G. L. Webster 1967-3-23 7494 Napa c. 1 mi S of Spanish Flat. 167 Comment
  HSC13592  Nemophila menziesii Greg Bos 1963-3-30 62 Napa 27 mi. S of Middletown on Butts Canyon Rd. 305 Comment
  UC619287  Nemophila menziesii Mrs. L. A. R. Peckinpah 1898-3-11 Napa e Yountville (foothills Napa Range); foothills Napa Range e of Yountville Comment
  UCD23403  Nemophila menziesii Sally Jue 1977-4-16 22 Napa Annual herb, flowers blue with light centers; foothill woodland, gradual east facing grassy slope, full sun. In East Bull Canyon off State Highway 128, 6.4 miles SSW of Monticello Dam. 198 Comment
  UCD23409  Nemophila menziesii Jonathan M. Irvine 1977-4-16 113 Napa Hwy. 128, 6.4 miles SSW of Monticello Dam. Soil is rocky clay, Knoxville formation. Mixed woodland, west facing gentle dry slope. Comment
  JEPS110848  Nemophila menziesii var. atomaria Jake Ruygt 1998-4-11 3904 Napa Langtry Road at Napa/Sonoma County line. 579 Comment
  UC1237966  Nemophila menziesii var. atomaria John H. Weiler 1961-2-17 617 Napa 2.6 mi s Napa State Hospital (in a pasture beside State Highway 12); s of Napa State Hospital Comment
  UCD120254  Nemophila menziesii var. menziesii L. P. Thibault 1995-5-21 48 Napa South side of Highway 128 about 3 mi. west of Wragg Canyon Rd. 250 Comment
  CAS-BOT-BC219384  Nemophila parviflora H. P. Chandler 1907-5-14 7569 Napa White Sulphur Springs 150 Comment
  UCD167156  Nemophila pedunculata Jake Ruygt 2015-3-10 6035 Napa Sutro Ranch, east side of Atlas Peak. 704 Comment
  UCD126721  Nicotiana quadrivalvis J. M. Tucker; C. H. Lamoureux 1958-6-8 3403 Napa State Highway 128, 2.7 miles northeast of Rutherford. Comment
  UC1188017  Nicotiana quadrivalvis H. M. Wheeler Oct 1942 Napa Conn Creek; Conn Valley Comment
  JEPS110671  Nuttallanthus texanus Jake Ruygt 1992-4-10 2902 Napa SW of Leoma Lakes, Wild Horse Valley Ranch 426 Comment
  UCD73443  Nuttallanthus texanus Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  UCD148553  Oenanthe sarmentosa Jake Ruygt 1992-7-22 3110 Napa Napa County, Wooden Valley, south end, on Wild Horse Valley Ranch. 179 Comment
  JEPS120333  Orobanche fasciculata Jake Ruygt 1982-6-13 1318 Napa Cedar Roughs near Guilliam Springs. Chiles Valley 7.5' Quad. Comment
  SEINET8853707 Image available Orobanche fasciculata Bill Wardell 1961-1 27 Napa State Highway 37, 20 miles southwest of Monticello Dam Comment
  JEPS120331  Orobanche uniflora Jake Ruygt 2005-5-11 4830 Napa Cub Valley, south of Bear Valley. Detert Reservoir 7.5' Quad. Comment
  UCD167625  Orobanche uniflora Jake Rugyt 1980-4-22 844 Napa 8.9 miles north of Pope Canyon Rd. on Berryessa-Knoxville Rd. 198 Comment
  UC1197452  Orobanche uniflora subsp. occidentalis Joseph P. Tracy 1902-5-16 1494 Napa Northern Coast Ranges. Howell Mountain, at head of Moore's Creek, 3-4 miles east of Angwin's. Comment
  CAS-BOT-BC500300  Orobanche uniflora subsp. occidentalis Alice Eastwood 1915-6-6 s.n. Napa Mt. St. Helena Comment
  POM15660  Orthocarpus lithospermoides var. bicolor C. F. Baker 1903-5-8 2965 Napa Knoxville. Comment
  POM83502  Orthocarpus lithospermoides var. bicolor W. L. Jepson 1920-5-25 9042 Napa Knoxville Ridge, NE Napa Co. Comment
  JEPS15925  Osmorhiza berteroi W. L. Jepson 1893-4-25 14256 Napa hills w St. Helena; Napa Valley Comment
  JEPS106862  Packera breweri Jake Ruygt 1988-5-1 2163 Napa west of Butts Canyon Rd. on Aetna Springs Rd. 216 Comment
  CAS-BOT-BC316824  Packera clevelandii Harvey Monroe Hall 1923-10-14 11943 Napa 8 miles n. of Pope Valley. Along a small stream. Comment
  JEPS37601  Packera eurycephala Joseph Ewan 1934-4-30 Napa 8 mi above Monticello; Pope Creek Comment
  SD52970  Packera eurycephala Peter H. Raven 1962-5-31 17919 Napa by stream in serpentine on Lower Lake- Knoxville road, 1.9 miles south of Lake County line. Comment
  JEPS37193  Packera eurycephala var. eurycephala W. L. Jepson 1920-5-25 9045 Napa Knoxville Ridge, ne Napa County Knoxville Ridge 670 Comment
  CAS-BOT-BC316942  Packera greenei Beecher Crampton 1957-6-4 4098 Napa above Capell Creek, north end of Capell Valley Comment
  CAS-BOT-BC316943  Packera greenei Robert Francis Hoover 1966-5-28 9878 Napa just south of summit on Butts Canyon Road from Pope Valley Comment
  JEPS89345  Packera greenei Dean Wm. Taylor with Glenn L. Clifton 1990-5-25 10806 Napa Butts Canyon Rd. near junction w/ Snell Rd.; North Coast Ranges 204 Comment
  JEPS122913  Panicum capillare Jake Ruygt 2004-9-21 4668 Napa 1 mile south of Turtle Rock cafe on Highway 128. Quad: Yountville. 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
  UCD167173  Papaver californicum Jake Ruygt 1982-5-15 1261 Napa Soda Canyon west of steep grade. 365 Comment
  UC191203  Parvisedum pumilum C. F. Sonne 1895-4-1 Napa Hill at Soda Springs Soda Springs Comment
  UCD88729  Paspalum dilatatum Beecher Crampton 1962-10-9 6699 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  CAS-BOT-BC202809  Paxistima myrsinites James R. Shevock; Roger Raiche 1989-4-17 11850 Napa Trail to the Cedars off of California hihway 29 east of Roert Louis Stevenson Memorial State Park 762 Comment
  UC25013  Pectocarya penicillata Willis L. Jepson 1893-4-30 Napa w Calistoga; Napa Rv Basin Comment
  UCD17996  Pedicularis densiflora Ellen Dean; Kate Mawdsley 2001-4-9 682 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along South Decker Canyon Rd., south of jct with Cutoff Rd. 243 Comment
  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
  CAS-BOT-BC71377  Pellaea mucronata John H. Thomas 1958-4-19 7112 Napa About 2 miles SW of Oakville 152 Comment
  CAS-BOT-BC71380  Pellaea mucronata Alice Eastwood 1922-5-4 11268 Napa Mt. St. Helena Comment
  UCD159942  Pellaea mucronata 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. At base of Adenostoma resprout. Above Q48. 243 Comment
  CAS-BOT-BC71382  Pellaea mucronata Paul F. Covel 1940-4-28 1704 Napa Grade near Sanitarium Comment
  UCD89424  Pennisetum clandestinum Robert Beechinor 1964-10-11 52 Napa Vaca Mountains. Martley Canyon Resort area, Lake Berryessa. Comment
  UCD89438  Pennisetum clandestinum Irving Grover 1952-6-10 s.n. Napa Napa. Comment
  JEPS110744  Penstemon heterophyllus var. heterophyllus Jake Ruygt 1979-6-2 666 Napa 4.7 miles north of Monticello Rd. on Atlas Peak Rd. 347 Comment
  JEPS11373  Penstemon heterophyllus var. heterophyllus Alice King July, 1919 Napa Van Ness Ranch , Van Ness Ranch (Mt. St. Helena) Comment
  NY601784  Penstemon heterophyllus var. purdyi H. T. Edwards 09 1875 s.n. Napa St. Helena Comment
  UC146236  Penstemon heterophyllus var. purdyi J. P. Tracy 1902-5-16 1486 Napa 3-4 mi e Angwin's (head of Moore's Creek); , Howell Mountain 457 Comment
  CAS-BOT-BC245720  Penstemon newberryi var. sonomensis John Thomas Howell 1926-10-3 2196 Napa Mt. St. Helena Comment
  CAS-BOT-BC245717  Penstemon newberryi var. sonomensis H. E. McMinn 1922-3-27 52 Napa From fop of Mt. St. Helena Comment
  JEPS120381  Pentachaeta exilis subsp. exilis Jake Ruygt 1998-5-2 3951 Napa Jerd Creek Comment
  SEINET3873442  Pentagramma triangularis subsp. triangularis Daphne K. Christopher, Hannah Stevens; Mark Bibbo 2003-4-11 138 Napa Uc Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation.; 0 166 Comment
  UCD48366  Pentagramma triangularis subsp. triangularis S. Colby; L. Hanson, D. Bosworth, K. Sesser, G. Belley 2001-4-14 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut Off Rd. from South Decker Canyon Rd. 182 Comment
  UC178642  Perideridia gairdneri subsp. gairdneri K. Brandegee Aug. 1888 Napa Howell Mountain Comment
  UCD63189  Perideridia gairdneri subsp. gairdneri Jake Ruygt 1998-8-15 4106 Napa Mead Ranch, Atlas Peak Road. 487 Comment
  JEPS12440  Perideridia kelloggii W. L. Jepson 1920-7-12 9071 Napa Conn Valley Napa Range (red ridge at mouth) Comment
  CHSC102519  Persicaria punctata Lowell Ahart 2009-10-12 16449 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS120383  Petasites frigidus var. palmatus Jake Ruygt 1988-3-12 2122 Napa Bothe State Park Comment
  RSA637565  Petrorhagia dubia Carol Chapman 1978-4-23 20 Napa Hwy 128, 4 miles E of intersection of Hwy 128 and Chiles Pope Valley Road. 488 Comment
  UCD48848  Petrorhagia dubia M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 18 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 274 Comment
  JEPS110852  Phacelia corymbosa Jake Ruygt 1988-5-29 2190 Napa sensitive plant canyon SE of Hunting Creek campground 411 Comment
  UCR45094  Phacelia corymbosa L. F. LaPre 1986-5-6 s.n. Napa Inner North Coast Ranges, Cedar Creek, 3.5 mi SW of Knoxville & c. 0.5 mi (air) west of Devilhead Road at the junction of the creek & a dirt road 550 Comment
  UC131126  Phacelia egena Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  UCD81821  Phacelia imbricata Ellen Dean 2009-4-24 5448 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UC1055963  Phacelia imbricata Edw. L. Greene 1891-7-1 Napa near St. Helena Comment
  UC146180  Phacelia ramosissima var. ramosissima Joseph P. Tracy 1904-5-23 2088 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UCD120738  Phacelia tanacetifolia Marshall R. Wanzer 1948-4-3 9 Napa Putah Canyon, 11 miles west of Winters. Comment
  UCD88185  Phalaris aquatica R. Tofsrud 1948-5-1 s.n. Napa Napa. Comment
  JEPS122957  Phalaris lemmonii Jake Ruygt 1987-4-22 1961 Napa Ragg ridge (Quail Ridge Preserve. Quad: Cuttings Wharf. Comment
  UC729981  Phalaris lemmonii Leo F. Koch 1940-4-24 850 Napa field w Cuttings Wharf Comment
  UC917126  Phlox gracilis D. C. Finfrock 1950-4-2 13 Napa 2 mi from St. Helena (on Pope Valley road) Comment
  HSC15919  Phoradendron serotinum subsp. tomentosum Greg Bos 1963-3-30 54 Napa St. Helena Mtn., S slope 305 Comment
  UC1198129  Phoradendron villosum Louise Martin 1907-12-20 Napa at head of Moore's Creek Howell Mt. (3 - 4 mi. e. of Angwin's); Northern Coast Ranges, Howell Mt. 365 Comment
  UC6101  Phoradendron villosum Willis L. Jepson 1894-1 Napa Napa R. Basin, St. Helena Comment
  JEPS110555  Physocarpus capitatus Jake Ruygt 1987-5-16 1994 Napa Devil's Canyon 582 Comment
  HSC71539  Pickeringia montana J. P. Smith, J. O. Sawyer 1970-5-17 3782 Napa 8 mi. N of Pope Valley Comment
  UCD164735  Pickeringia montana Jake Ruygt 2014-6-23 6014 Napa Sutro Ranch, Atlas Peak. 544 Comment
  CAS-BOT-BC202267  Pickeringia montana var. montana Belle R. Jackson 1939-6-11 s.n. Napa Mead Ranch, Atlas Way, Napa Mts. Comment
  JEPS65582  Pickeringia montana var. montana W. L. Jepson 1904-6-3 2439 Napa Howell Mt. Comment
  UC235  Pinus lambertiana unknown Napa Mt. St. Helena Comment
  SEINET3221131 Image available Pinus ponderosa Royal D. Suttkus 1967-6-26 67- 30 -42 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  JEPS60944  Plagiobothrys bracteatus Willis L. Jepson 1893-4-24 21164 Napa hills e of St. Helena to Conn Valley; Napa River Basin Comment
  RSA170255  Plagiobothrys bracteatus Joseph P. Tracy 1950-5-23 18675 Napa La Jota Plateau at head of Moore s Creek, 3 miles east of Angwin s 518 Comment
  POM226101  Plagiobothrys bracteatus J. T. Howell 1933-5-21 11321 Napa Napa Comment
  UCD164774  Plagiobothrys bracteatus Jake Ruygt 2014-5-19 5948 Napa Sutro Ranch, Atlas Peak. 722 Comment
  UCD74375  Plagiobothrys bracteatus Jake Ruygt 2002-4-17 4387 Napa Sulphur Springs Rd., west of St. Helena. 76 Comment
  SEINET7063153  Plagiobothrys fulvus A. G. Vestal 1963-4-7 s.n. Napa East-facing slope about 3.8 miles north of Saint Helena on the Silverado Trail. UTM Zone 10, 543982mE, 4266952mN. (WGS84/NAD83). 98 Comment
  UCD20918  Plagiobothrys nothofulvus V. (Shorty) Boucher 2002-3-27 9 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. Comment
  POM182804  Plagiobothrys nothofulvus H. P. Chandler 1907-3-30 s.n. Napa Road to Toll House. Comment
  RSA0051321  Plagiobothrys nothofulvus Keith E. Hoffmaster 1946-3-23 1040 Napa Napa range, along Napa-Monticello road. Comment
  UC1301091  Plagiobothrys stipitatus Helen K. Sharsmith 1963-4-20 5336 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 Comment
  UC191655  Plagiobothrys strictus Edw. L. Greene 1892-4-20 Napa Calistoga Comment
  UC573077  Plagiobothrys strictus H. L. Mason 1926-3-20 2754 Napa meadow near geysers; Calistoga Comment
  UC1245375  Plagiobothrys tenellus Joseph P. Tracy 1950-5-23 18669 Napa dry gravelly flats Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  OBI20606  Plagiobothrys tener Joseph P. Tracy 1950-5-23 18664 Napa On La Jota Plateau in Los Posadas state forest 518 Comment
  UC881357  Plagiobothrys tener var. subglaber Milo S. Baker 1936-4-8 8176 Napa on road to Lower Lake ca 2 mi n Knoxville Comment
  UCD74384  Plagiobothrys tener var. tener Jake Ruygt 1990-8-14 2475 Napa Leoma Lakes, Wild Horse Valley Ranch. 414 Comment
  JEPS127854  Plantago erecta Adam C. Schneider with Dick O'Donnell 2013-5-26 236 Napa Just west of intersection between Snell Valley Road, Stagecoach Canyon Road, and Spanish Valley Trail. Comment
  JEPS6453  Plantago erecta Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. Comment
  UCD148811  Plantago erecta Ellen Dean; Diana Hickson 2014-4-29 8118 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD168560  Plantago erecta 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
  UCD170831  Plantago erecta 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
  UCD81817  Plantago erecta Ellen Dean 2009-4-24 5444 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UCD15037  Plantago hookeriana Lorraine Clarke 1977-4-16 14 Napa California, Napa Co.; along Highway 128, 6.4 miles (by road) south - southwest of Monticello Dam; Comment
  JEPS110784  Plantago lanceolata Jake Ruygt 1978-5-4 286 Napa Trancas St. and Soscol Ave., Napa 7.5' Quad. 12 Comment
  JEPS7122  Plantago lanceolata W. L. Jepson 1936-6-2 17612 Napa e of Yountville Comment
  JEPS110775  Platystemon californicus Jake Ruygt 1998-4-18 3909 Napa Pope Valley, N of intersection of Pope Canyon Rd X Hardin Rd 182 Comment
  SFV8386  Platystemon californicus J. F. Addicott 1965-3-19 3 Napa Along Dollarhide Road, about 3.5 miles east of Pope Valley. 183 Comment
  UCD82051  Platystemon californicus Robin McMaster 1972-4-22 66 Napa Pope Valley. Comment
  JEPS51587  Platystemon californicus Willis L. Jepson 1893-4-27 Napa near Veteran's Home Yountville (Yountville, Napa Valley); Napa River Basin, Napa Valley Comment
  JEPS110900  Plectritis brachystemon Jake Ruygt 1994-5-14 3370 Napa Mead Ranch, Atlas Peak Road, south of Foss Valley. 487 Comment
  JEPS4815  Plectritis brachystemon Miss R. Kuhn 1912-5-19 Napa Oakville Comment
  CDA11322  Plectritis ciliosa G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12028 Napa UC Quail Ridge Reserve, at entrance gate Comment
  UC903163  Plectritis ciliosa subsp. ciliosa Ethel Crum 1937-4-19 1777 a Napa 6 mi n of Napa (Napa Range, Mount George); Napa Range, Mount George 304 Comment
  UC28849  Plectritis macrocera Willis L. Jepson 1893-5-8 Napa Napa River Basin, Howell Mountain, Angwin's Howell Mountain; Napa River Basin, , Angwin's Comment
  UC999821  Plectritis macrocera S. C. Dyal, A. Carter, E. Crum 1938-4-24 697 Napa Howell Mountains, Wooden Valley Grade Wooden Valley Grade; Howell Mountains, Wooden Valley Grade Comment
  UC1145108  Pleuropogon californicus Joseph P. Tracy 1938-6-6 15844 Napa between Napa City and Yountville Napa City; Napa Valley 30 Comment
  UC187257  Pleuropogon californicus Joseph P. Tracy 1903-5-18 1874 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  UCD36170  Pleuropogon californicus Beecher Crampton 1952-3-24 1031 Napa Napa County, 8 miles north of city of Napa, along Silverado Road. Comment
  UCD37527  Pleuropogon californicus Beecher Crampton 1955-3-14 2318 Napa Napa County, 5-6 miles southeast of Calistoga, Upper Napa Valley, along Silverado Trail Highway. Comment
  UCD90190  Pleuropogon californicus var. californicus R. Tofsrud 1947-5-3 s.n. Napa ca. 5 miles east of Pope Valley. P.O., along Pope Creek. Comment
  UCD90210  Pleuropogon californicus var. californicus Beecher Crampton 1955-4-4 2392 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD90196  Pleuropogon californicus var. californicus R. Tofsrud 1951-5-20 s.n. Napa East edge of Yountville Cemetery. Comment
  UCD121140  Poa annua Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7343 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. Near small drainage that is just west of granitic grassland on north side of road. 519 Comment
  CAS-BOT-BC246684  Poa howellii Peter H. Raven 1951-6-10 2905 Napa E. of Toll House, Mt. St. Helena 792 Comment
  JEPS122737  Poa napensis Jake Ruygt 2011-6-18 5803 Napa Tubbs Lane/Fard Property, south of Myrtledale Road. Quad: Calistoga. Comment
  UCD37942  Poa napensis Beecher Crampton 1962-5-8 6418 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD18140  Poa secunda Jean Shepard; with PLB 102 class 2000-4-29 195 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
  UCD20426  Poa secunda E. Dean; w/ PLB 102 class 2002-5-4 1013 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of junction of East and West roads, along lower road leading out to power lines. 304 Comment
  CAS-BOT-BC242899  Poa secunda subsp. secunda L. R. Abrams 1928-5-3 12231 Napa St. Helena Grade Comment
  CAS-BOT-BC242900  Poa secunda subsp. secunda Carl B. Wolf 1928-5-3 1814 Napa 2 miles S of Hawkins Mount Inn Camp Comment
  JEPS129037  Pogogyne douglasii Jake Ruygt 2016-5-25 6262 -Y Napa Missimer-Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  UC883696  Pogogyne douglasii Alice Eastwood 1915-6-5 4626 Napa Calistoga Comment
  UC1988917  Pogogyne douglasii Alice Eastwood and John Thomas Howell 1939-6-11 Napa near Calistoga Comment
  UC25589  Pogogyne douglasii W. H. Brewer 1861-11-4 855 Napa Napa Valley Comment
  JEPS110839  Pogogyne serpylloides Jake Ruygt 1991-6-1 2705 Napa Campbell Flat, Mt. St. John 310 Comment
  POM181332  Polycarpon tetraphyllum J. T. Howell 1931-4-19 6438 Napa Conn Creek Wah, Napa Valley Comment
  RSA40153  Polycarpon tetraphyllum J. T. Howell 1943-6-20 18242 Napa Hills W of Napa Valley between St. Helena and Mt. St. John. 229 Comment
  CAS-BOT-BC109158  Polygonum bolanderi T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain. Comment
  POM215137  Polygonum bolanderi D. D. Keck 1933-11-10 2721 Napa 1 mile N of Yountville Comment
  UC77396  Polygonum bolanderi Katharine Brandegee Aug. 1888 Napa Howell Mountain Comment
  JEPS50595  Polygonum californicum W. L. Jepson 1930-10-19 15687 Napa Pope Valley Comment
  CAS-BOT-BC414385  Polygonum californicum Mrs. H. P. Bracelin 1930-10-19 118 Napa About 1 mi. S. of Etna [Aetna] Springs Comment
  JEPS112595  Polygonum lapathifolium Jake Ruygt 1969-12-31 2837 Napa Buchli Station, DFG Huichica Creek prop. 1 Comment
  JEPS115776  Polygonum persicaria Lowell Ahart 2009-10-12 16448 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
  JEPS50655  Polygonum punctatum Willis L. Jepson 1893-9-24 14801 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  UCR71486  Polygonum punctatum Barbara Ertter, Elizabeth Neese 1988-10-2 7953 Napa North Coast Ranges, Lake Hennessey, c. 15 air mi NNW of Napa, on Conn Creek 92 Comment
  JEPS79513  Polypodium calirhiza Edward Lee with Annetta Carter 1935-12-1 1672 Napa rd. from Napa to Wooden Valley (Sarco Creek); Howell Mts. Comment
  CAS-BOT-BC237256  Polypogon monspeliensis Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs Comment
  UCD91281  Polypogon monspeliensis Beecher Crampton 1956-5-25 3467 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UC1004360  Polystichum W. W. Lipman 1954-9-24 Napa 3 mi n St. Helena (in grounds of Professor Lipman's home) Comment
  JEPS116569  Polystichum californicum Jake Ruygt 1990-6-2 2574 Napa Sulphur Canyon. Kenwood 7.5' Quad. Comment
  CAS-BOT-BC72149  Polystichum californicum Rimo Bacigalupi 1924-2-22 s.n. Napa Toll house Rd. below Mt. St. Helena Comment
  UCD164807  Populus trichocarpa Jake Ruygt 1998-6-13 4021 Napa Milliken Creek south of Foss Valley. 405 Comment
  JEPS42990  Potamogeton pusillus Willis L. Jepson 1893-4-24 13772 Napa hills e of St Helena (to Conn Valley Road); Napa River Basin Comment
  UCD160569  Prosartes hookeri G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. 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
  UC466722  Prunus emarginata H. P. Chandler 1907-4-14 7506 Napa St. Helena, near Sanitarium St. Helena Comment
  JEPS44630  Prunus ilicifolia Frank A. Leach 1923-4-30 Napa about 3 or 4 mi e of Napa 243 Comment
  POM262889  Prunus subcordata J. C. Roos 1939-3-31 307 Napa Angwin. Howell Mtns. Comment
  UCR23507  Prunus subcordata John C. Roos 1939-3-31 307 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  UC608410  Prunus virginiana var. demissa Beryl O. Schreiber 1936-3-5 2205 Napa 0.3 mi WSW of Petrified Forest Comment
  UCD19930  Pseudognaphalium luteoalbum E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 787 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  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
  CAS-BOT-BC357567  Pseudognaphalium stramineum Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  UCD162095  Pseudotsuga menziesii var. menziesii Dylan O. Burge 2014-3-15 1492 Napa Mount Saint Helena. 750 Comment
  JEPS129114  Psilocarphus brevissimus var. brevissimus Jake Ruygt 2015-5-6 6090 Napa East side of Highway 221, south of Suscol Creek. Cuttings Wharf 7.5' Quad. Comment
  UC176863  Psilocarphus oregonus J. P. Tracy 1902-5-19 1551 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 518 Comment
  UCD100922  Pterostegia drymarioides E. Hyde 1938-4-28 s.n. Napa Putah Canyon. Comment
  JEPS58842  Pyrola aphylla W. L. Jepson 1894-7-19 14664 Napa Mt. St. Helena, just at timber line Comment
  CAS-BOT-BC460819  Pyrola aphylla Elizabeth Wright 1921-6-1 s.n. Napa Calistoga Comment
  JEPS37946  Quercus W. L. Jepson 1916-8-6 6825 Napa Howell Mt. Comment
  UCD45325  Quercus X chasei J. M. Tucker 1994-10-29 s.n. Napa California, Napa Co., Mt. George, north-ne. side, ca. 400 m. 400 Comment
  JEPS116572  Quercus X morehus Jake Ruygt 1986-5-5 1742 Napa North side of Mount George. 7.5' Mount George Quad. Comment
  JEPS77933  Quercus X morehus Edward Lee 1935-12-1 1678 Napa ca 1 mi se Wooden Valley (on Wooden Valley-Monticello Road (3.5 mi s of junction), valley of the w fork of Suisun Creek) Comment
  JEPS77934  Quercus X morehus Edward Lee 1935-12-1 1679 Napa ca 1 mi se Wooden Valley (on Wooden Valley-Monticello Road (3.5 mi s of junction), valley of the w fork of Suisun Creek) Comment
  CLARK-A1528-2905  Quercus X morehus John C. Roos 1939-4-16 259 Napa Angwin Comment
  UCSB64094  Quercus X townei Tucker, John; Stebbins, G. 1950-11-5 Napa Beside road up Howell Mountain, 5.6 mi. north of St. Helena Comment
  UCD45141  Quercus agrifolia W. C. Overton Jr. 1980-7-13 s.n. Napa From a population of Q. agrifolia, 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 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
  SEINET12034184  Quercus agrifolia Unknown 1942-1 s.n. Napa Calistoga Comment
  JEPS116524  Quercus agrifolia var. agrifolia Jake Ruygt 1979-4-10 496 Napa Silverado Trail and Trancas Avenue. 7.5' Napa Quad. Comment
  UCD83392  Quercus agrifolia var. agrifolia Jake Ruygt 1990-4-8 2467 Napa Napa, Stonecrest Drive. 85 Comment
  UCD14831  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -4 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD148747  Quercus berberidifolia Jake Ruygt 2000-10-9 4287 Napa Napa County; south of Snell Peak on ridge. 396 Comment
  CAS-BOT-BC62454  Quercus chrysolepis Bell Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC62456  Quercus chrysolepis Bell Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC62457  Quercus chrysolepis Alice Eastwood 1918-9-3 7953 Napa Mt. St. Helena Comment
  RSA444489  Quercus chrysolepis J. C. Roos 1939-5-14 255 Napa Pacific Union College, Anguin. Comment
  UCD149579  Quercus chrysolepis Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  CAS-BOT-BC85935  Quercus douglasii H. E. McMinn 196 Napa Canyon thru which Pope Creek runs to Putah Creek Comment
  JEPS37393  Quercus douglasii Willis L. Jepson 1901-8-6 1729 Napa Howell Mt. grade Napa River Basin Comment
  JEPS37394  Quercus douglasii Willis L. Jepson 1901-8-6 1721 Napa Howell Mt. grade Napa River Basin Comment
  UCD45639  Quercus douglasii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  SEINET12029187  Quercus dumosa Unknown 1941-1 126 Napa west bank of Putah Creek immediately above junction with Butts Creek Comment
  CAS-BOT-BC79835  Quercus durata John H. Thomas 1955-5-21 5164 Napa Near State Highway No. 128 and capell Creek, about 12 mi E of St. Helena 274 Comment
  JEPS37351  Quercus durata W. L. Jepson 1930-10-19 15693 Napa Butts Canyon Comment
  SACT002640  Quercus durata Ira Wiggins, R. Ferris 1933-6-2 Napa 10 miles north of Howell Mount Comment
  UC762345  Quercus durata R. F. Hoover 1940-8-25 4542 Napa e side Mt. St. Helena Comment
  UCD14811  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -13 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14815  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -30 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; 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
  UCD45889  Quercus durata Beecher Crampton 1962-10-9 6704 Napa 7 miles north of Conn Reservoir (Lake Hennessy), Pope Valley Road. Comment
  UCD45893  Quercus durata D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  UCR106783  Quercus durata J. M. Tucker 1950-11-12 2014 -24 Napa Hwy 28, 7.7 mi. (by road) west of junction with Hwy 37. Comment
  SEINET12029319  Quercus durata W. Knight, Knight, I. 1982-1 4553 Napa 0.5 mi W of Spanish Flat on the road to Conn Reservoir Comment
  SBBG111408  Quercus durata var. durata J. M. Tucker, G. L. Stebbins 1950-11-5 2011 -21 Napa below Conn Valley Dam; across crk from the picnic area Comment
  UCSB64098  Quercus durata var. durata Tucker, John 1950-11-12 Napa Highway 28, 7.7 mi. (by road) west of junction with Highway 37; southeast-facing hillslope above Sage Creek Comment
  UC519301  Quercus garryana Joseph P. Tracy 1933-6-2 12470 Napa 3-4 mi e Angwin's (on hills at Head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 457 Comment
  UCD83398  Quercus garryana Jake Ruygt 1992-7-18 3099 Napa Green Valley Ranch, end of Green Valley Rd. 329 Comment
  JEPS37824  Quercus garryana var. garryana W. L. Jepson 1916-8-6 6830 Napa Howell Mt. Comment
  UCD14548  Quercus garryana var. garryana John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -10 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; Comment
  UCD14960  Quercus garryana var. garryana John M. Tucker 1976-10-24 4385 Napa California, Napa Co.; beside Dry Creek Road, 1.4 mi. east of junction with Wall Road, and 4.4 mi. (by road) southwest of Oakville; Comment
  UCD46060  Quercus garryana var. garryana J. M. Tucker 1952-4-22 2358 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. Comment
  CAS-BOT-BC105296  Quercus kelloggii John H. Thomas 1966-3-22 11533 Napa About 5 miles N of Calistoga as measured along highway 29 on the SE slope of Mt. St. Helena Comment
  UCD120920  Quercus kelloggii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7340 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. North side of road. 519 Comment
  UCD14958  Quercus kelloggii John M. Tucker 1976-10-24 4383 Napa California, Napa County: Beside Dry Creek Road, 0.8 mi. east of junction with Wall Road, and 5 mi. (by road) southwest of Oakville. Comment
  JEPS46688  Quercus lobata W. L. Jepson 1922-10-22 9816 Napa n of Sage Canyon; St. Helena Comment
  POM262791  Quercus lobata J. C. Roos 1939-3-27 282 Napa Angwin, Howell Mountains. Comment
  UCD61802  Quercus lobata Jake Ruygt 2007-7-28 5253 Napa East of Calistoga, north side of (a peak called) Grassy Hill, Duff Ranch, 'Palisades. 624 Comment
  CAS-BOT-BC104978  Quercus wislizeni Carl B. Wolf 1928-5-4 1862 Napa Mt. St. Helena Comment
  UCD47533  Quercus wislizeni Thomas Morley 1941-5-11 124 Napa At Lombardi's Ranch, west side of Putah Creek just above junction with Butts Creek, Napa County. Comment
  UCR212387  Quercus wislizeni Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
  JEPS116537  Quercus wislizeni subsp. frutescens Jake Ruygt 1995-4-24 3445 Napa 2 miles south of Lake Hennessey boat dock; Taylor Vineyards. Yountville 7.5' Quad. 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
  JEPS36558  Rafinesquia californica W. L. Jepson 1938-5-25 18869 Napa Napa Range, Howell Mt., Bell Canyon Comment
  UCD17980  Ranunculus aquatilis Ellen Dean; with Plant Biology 102 class 2001-4-14 705 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, in stock pond. 152 Comment
  JEPS55059  Ranunculus aquatilis var. capillaceus Willis L. Jepson 1893-4-27 Napa Oak Knoll Napa River Basin Comment
  JEPS110889  Ranunculus arvensis Jake Ruygt 1991-5-6 2646 Napa Wantrop Preserve, Pope Valley 184 Comment
  RSA786317  Ranunculus californicus Keith E. Hoffmaster 1946-3-23 1223 Napa Napa range, along Napa-Monticello road. Comment
  UC917102  Ranunculus californicus D. C. Finfrock 1950-4-2 15 Napa 2 mi from St. Helena (on Pope Valley Rd) Comment
  UCR12015  Ranunculus californicus Coleta A. Lawler 1964-3-24 19 Napa 7 mi. from Napa; Mt. Veeder Rd. 2 mi north of Jct. Dry Creek Rd Comment
  JEPS120435  Ranunculus californicus Jake Ruygt 2008-4-7 5278 Napa Tubbs Lane, west of Myrtledale Rd. Comment
  UCD95959  Ranunculus californicus David Lawfer 1952-3-15 119 Napa Napa. Comment
  JEPS110881  Ranunculus lobbii Jake Ruygt 1981-3-29 958 Napa Suscol plain near Kaiser Steel (Rocktram 3 Comment
  UC136198  Ranunculus lobbii C. F. Baker 1903-4-19 1997 Napa St. Helena Comment
  JEPS84650  Ranunculus muricatus John W. Willoughby 1979-5-25 4300 Napa about 1 mi s Signal Hill (just below and to w of Blue Ridge, below stock pond); Vaca Mountains, Pansy Flat 609 Comment
  CDA10911  Ranunculus occidentalis G. F. Hrusa, M. Rejmanek 1993-5-15 11007 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS55170  Ranunculus occidentalis Willis L. Jepson 1893-3-13 Napa hills e St. Helena; Napa River Basin Comment
  UC162878  Ranunculus occidentalis Joseph P. Tracy 1902-5-22 1631 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD20824  Ranunculus occidentalis N. Nicola 2001-3-30 040 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  UCD48147  Ranunculus occidentalis Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 5 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  UCD49118  Ranunculus occidentalis S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 1 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  JEPS55102  Ranunculus orthorhynchus var. bloomeri W. L. Jepson 1945-3-28 27555 Napa about 3 mi se Yountville; Napa Valley Comment
  RSA92781  Ranunculus orthorhynchus var. bloomeri Peter H. Raven 1950-4-15 1708 Napa [Unspecified] 9 Comment
  POM306532  Ranunculus pusillus A. M. Ottley 1921-5-6 1327 Napa San Francisco Bay area, N of St. Helena, Wet meadow Comment
  UCD160037  Raphanus raphanistrum Steve Wathan 2015-3-10 2015- 2 Napa McLaughlin UC Reserve. Knoxville Mine site, ca. 7 miles south of McLaughlin Field Station. Collected near old mill foundation. 396 Comment
  UCD115213  Raphanus sativus H. Popenoe 1949-4-17 6 Napa along Putah Creek. Comment
  JEPS24114  Rhagadiolus stellatus Mrs. Ida DeMay Wilson 1959-5-10 Napa Dry Creek Rd near Napa Comment
  CAS-BOT-BC362896  Rhagadiolus stellatus Ida DeMay Wilson 1959-4-5 s.n. Napa Dry Creek Road Comment
  UC725829  Rhamnus californica A. A. Heller 1940-6-13 15738 Napa e side Mt. St. Helena (on the road leading to the summit, just above the trail leading down to the Stevenson Tablet) Comment
  JEPS41985  Rhamnus californica subsp. californica W. L. Jepson 1937-4-9 17995 Napa Adam-and-Eve Ridge Howell Mtn. Comment
  CAS-BOT-BC59541  Rhamnus crocea John H. Thomas 1955-5-21 5110 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  UC592788  Rhamnus tomentella subsp. crassifolia unknown 1928-2-25 1506 Napa 3 mi n summit of Mt. St. Helena Grade (near Lake-Napa Cos. line) Comment
  RSA7865  Rhamnus tomentella subsp. tomentella Carl B. Wolf 1928-2-25 1509 Napa 3 miles N of summit of the Mt. St. Helena Grade, near the Napa Lake County line. Comment
  CAS-BOT-BC199720  Rhododendron occidentale R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6675 Napa Butt's [Butts] Canyon, 10 mi. N. of Howell Mt. Comment
  UC763158  Rhododendron occidentale R. F. Hoover 1941-4-26 4927 Napa Canyon n of Pope Valley (on road to Butts Canyon) Comment
  UCD20692  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 4 Napa Napa County, NE side of Butts Canyon Rd. along SW and NE side of Butts Creek, 250 ft. east of Napa, 20.14 marker. Bulk of population is 330 ft. west of Napa 20.14 marker, continuous to Lake Co. Plants within 20' of water. Comment
  UCD167011  Rhododendron occidentale Jake Ruygt 1980-5-21 897 Napa 4.2 miles north of Monticella Rd. on Hwy 128. 182 Comment
  CAS-BOT-BC199735  Rhododendron occidentale var. californicum Ira L. Wiggins 1949-4-30 12093 Napa On northeastern slopes of Mount St. Helena, near Lake County line Comment
  RSA22617  Rhododendron occidentale var. californicum Marion Ownbey, Ruth P. Ownbey 1938-7-9 1702 Napa 6 miles northeast of Napa. Comment
  RSA52661  Rhododendron occidentale var. californicum I. L. Wiggins 1949-4-30 12093 Napa On northeastern slope of Mount St. Helena, near lake county line Comment
  JEPS66678  Rhododendron occidentale var. occidentale W. L. Jepson 1936-6-2 17596 Napa Four Corners, Howell Mountain. Comment
  OBI20447  Rhus aromatica H. E. McMinn 1922-6-18 197 Napa Pojse Creek Canyon Comment
  UCD116924  Rhus aromatica J. M. Tucker 1951-3-28 2067 Napa Capell Creek, about 6 miles south of Monticello. Comment
  CAS-BOT-BC433099  Ribes L. R. Abrams 1928-5-3 12256 Napa Summit St. Helena Grade Comment
  CAS-BOT-BC92976  Ribes californicum var. californicum H. E. McMinn 1925-1-24 1394 Napa Along road between Wooden Valley and Monticello. Comment
  CAS-BOT-BC92977  Ribes californicum var. californicum H. E. McMinn 1922-6-8 209 Napa Along Pope Creek. Comment
  JEPS126069  Ribes malvaceum Jake Ruygt 2007-5-19 5184 Napa Devilhead Road, top of grade, north end. Knoxville 7.5' Quad. Comment
  UCD167057  Ribes malvaceum var. malvaceum Jake Ruygt 1996-4-12 3609 b Napa Portuguese Canyon, near jeep trail. 304 Comment
  JEPS9658  Ribes menziesii Willis L. Jepson Napa mountain summit w St. Helena (trail to <?>houx's Knob) Comment
  CAS-BOT-BC198894  Ribes roezlii var. cruentum John Thomas Howell 1926-3-21 1707 Napa On St. Helena Creek near Patten's. 701 Comment
  HSC20331  Ribes roezlii var. cruentum C. B. Wolf 1928-2-25 1499 Napa Near Mt. St. Helena Inn, at summit of Mt. St. Helena grade Comment
  JEPS49465  Ribes roezlii var. cruentum Willis L. Jepson 1893-4-25 13525 Napa trail to Caux's Knob (mts. w of St. Helena); Napa River Basin Comment
  CAS-BOT-BC168759  Ribes victoris Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5329 Napa Soda Creek, e. of chiles Valley 137 Comment
  CAS-BOT-BC168760  Ribes victoris Clarence R. Quick 1942-4-18 s.n. Napa Mouth of canyon just west of Rutherford, Napa Valley Comment
  JEPS110833  Ribes victoris Jake Ruygt 1980-5-4 876 Napa canyon near Bateman Creek 597 Comment
  JEPS110836  Ribes victoris Jake Ruygt 1989-4-1 2243 Napa Oat Hill Mine Rd. west of Halfway House 548 Comment
  UC1299685  Ribes victoris Freed W. Hoffman 1947-3-12 761 Napa Trinity Road North Coast Ranges, Dry Creek Comment
  HSC43915  Rigiopappus leptocladus Robert M. Specht 1977-5-14 888 Napa Near junction of Develhead Rd. and Morgan Valley Rd. (Knoxville-Berryessa Rd.) 457 Comment
  JEPS106905  Rigiopappus leptocladus Jake Ruygt 1981-5-21 1039 Napa ridge west of Putah Creek, north of Snell Valley 231 Comment
  JEPS34906  Rigiopappus leptocladus Joseph P. Tracy 1938-6-5 15827 Napa on hills at head Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain, hills at head of Moo 365 Comment
  UCD133767  Rigiopappus leptocladus Beecher Crampton 1957-5-16 4044 Napa North end of Capell Valley, above Capell Creek, along Hwy. 128. Comment
  CAS-BOT-BC363051  Rigiopappus leptocladus Beecher Crampton 1972-4-19 8792 Napa North end of Capell Valley Comment
  UC725905  Rigiopappus leptocladus A. A. Heller 1941-5-16 16123 Napa below Knoxville; Eticura Creek Comment
  JEPS53824  Rorippa W. L. Jepson 1936-5-30 17556 Napa Rutherford Napa Valley, Rutherford Comment
  CAS-BOT-BC148155  Rosa gymnocarpa Peter H. Raven 1952-5-26 4049 Napa Howell Mt. 426 Comment
  JEPS45680  Rosa gymnocarpa W. L. Jepson 1894-10-14 13891 Napa sw Calistoga; Rebecca Ranch grade Comment
  RSA195350  Rosa gymnocarpa Gilbert Muth 1967-5-19 692 Napa Milliken Dam. 335 Comment
  UC126647  Rosa gymnocarpa Harley P. Chandler Sep 7 1906-Sep 14 1906 7112 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD164828  Rubus ulmifolius var. ulmifolius Jake Ruygt 2012-6-30 5872 Napa Putah Creek. 143 Comment
  UCD41469  Rumex Ellen Dean; Deborah Canington 2003-3-1 1366 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. Along Decker Bay Trail, right along stream. 176 Comment
  UCD118112  Rumex acetosella Megan Mateo; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. Ca. 0.1 mile from fire station along undeveloped road, on north side of road. 518 Comment
  UCD101453  Rumex pulcher Louise Krozek 1965-5-8 23 Napa Berryessa-Knoxville Road, ca. 7 miles north of State Highway 128. Comment
  HSC70625  Rupertia physodes J. M. DiTomaso 1980-6-12 1579 Napa 1 mi. W of Monticello Dam at Lake Berryessa, above lake. 146 Comment
  POM161356  Rupertia physodes Rimo Bacigalupi 1928-6-20 1867 Napa Howell Mt, 10 miles W of St Helena Comment
  RSA170398  Rupertia physodes J. D. Olmsted 5058 Napa Cold Creek; 150 yds above road by Monticello Dam, Vaca Mtns. Comment
  UC441322  Ruppia maritima Milo S. Baker Aug 1900 Napa near S.P.R.R. over Napa River Comment
  UCD54296  Saccharum ravennae Jeffrey L. Firestone 2004-7-14 1 Napa McLaughlin Reserve; precisely at the intersections of Sections 1,2,11,12 of Range 5W, Township 11N. Alternately near waterline of holding ponds at western base of site 5 waste rockpile, to the southwest of the Homestake main pit and the former Manhattan mine site. Comment
  UCD48857  Sagina apetala E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., N of jct with South Decker Canyon Rd. Sandy, distrubed area immediately off roadside. 182 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
  CAS-BOT-BC103229  Salix bonplandiana Peter H. Raven 1953-4-2 5228 Napa Imola 60 Comment
  CAS-BOT-BC108666  Salix breweri John Thomas Howell 1931-4-3 6149 Napa Butts Valley Road to Middletown, 5 miles from Aetna Springs Comment
  JEPS38393  Salix breweri W. L. Jepson 1893-5-5 27 s Napa just beyond St. Helena; Middleton Grade Comment
  LA208563  Salix breweri Mrs. H. P. Bracelin; 1931-4-17 253 Napa Butt Canyon, between Pope Springs and Aetna Valley 300.0 Comment
  RSA181974  Salix breweri W. L. Jepson 1930-10-19 15704 Napa Butts Canyon. Comment
  SJSU186  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butt Canyon between Pope Springs & Aetna Valley 335 Comment
  CAS-BOT-BC103753  Salix exigua Lewis S. Rose 1937-4-4 37020 Napa 4 mi. N. of Wooden Valley 335 Comment
  JEPS38362  Salix laevigata Willis L. Jepson 1903-9-6 2341 Napa St. Helena; Napa River Basin Comment
  CAS-BOT-BC539354  Salix laevigata Jake Ruygt 1995-3-21 3408 Napa End of Niebaum Lane, Bear Canyon 89 Comment
  UCD164801  Salix laevigata Jake Ruygt 1996-4-20 3619 -d Napa Jameson Canyon Vineyards entry road. 60 Comment
  UC1196585  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1933-4-30 12119 Napa Angwin Creek Northern Coast Ranges, Howell Mt., Angwin Creek 457 Comment
  CAS-BOT-BC107049  Salix lasiolepis C. R. Ball; H. E. Parks 1931-2-17 17 a Napa One mile northwest of Calistoga Comment
  CDA21154  Salix lasiolepis G. F. Hrusa 1998-3-15 14153 B Napa North Coast Biodiversity Arena; Hwy 128 at Lake Hennessey. Comment
  CHSC20623  Salix lasiolepis Carol C. Getzinger 1964-3-24 16 Napa Junction of Redwood Road and Brown's Valley Road. 152 Comment
  UC504072  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 2 Napa 10 mi from Monticello (Rutherford to Monticello); Chiles Valley Comment
  UCD164812  Salix lasiolepis Jake Ruygt 1990-3-25 2447 Napa Napa River east of Stonehouse Drive. 4 Comment
  CAS-BOT-BC124411  Salix lasiolepis var. lasiolepis Peter H. Raven 1951-8-20 3859 Napa Acacia Lookout nr. Lokoya 426 Comment
  CAS-BOT-BC124412  Salix lasiolepis var. lasiolepis Peter H. Raven 1951-6-26 3065 Napa Wooden Valley Grade 304 Comment
  CAS-BOT-BC124413  Salix lasiolepis var. lasiolepis Peter H. Raven 1951-6-26 3044 Napa Sarco Creek e. of Napa 60 Comment
  CAS-BOT-BC129503  Salix melanopsis H. E. McMinn 1923-5-25 958 Napa Suisun Creek, between Rockville and Wooden Valley Comment
  JEPS120367  Salvia argentea Jake Ruygt 2001-7-2 4319 Napa On private road south of Lake Hennessey boat-ramp. Yountville 7.5' Quad. Comment
  JEPS129066  Salvia columbariae Jake Ruygt 2016-4-2 6171 b Napa Smittle Creek NCRPOD, W of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD125700  Salvia columbariae M. Wiesendanger 1927-5-4 688 Napa Monticello - Napa Rd. Comment
  CAS-BOT-BC225171  Salvia sonomensis Elizabeth Wright 1922-4-1 217 Napa Near Calistoga Comment
  CAS-BOT-BC225172  Salvia sonomensis H. E. McMinn 1925-5-25 970 Napa Summit Wooden Valley Grade Comment
  JEPS108633  Salvia sonomensis R. Raiche, H. Forbes, K Zadnik 1991-4-24 114 Napa Mt. George 542 Comment
  UCD137688  Sambucus nigra subsp. caerulea Andreas Stohr 1996-4-21 4 Napa on Road 128, on cliff above Putah Creek. 100 Comment
  UC1784184  Sanguisorba minor subsp. muricata Ethel Crum 1930-1 813 Napa St. Helena Comment
  CAS-BOT-BC223276  Sanicula bipinnatifida Marcus E. Jones 1924-4-24 s.n. Napa Napa Comment
  UCD128014  Sanicula bipinnatifida M. Wiesendanger 1927-5-4 679 Napa Near Monticello. Comment
  UCD18367  Sanicula bipinnatifida R. Wenk 2000-5-14 2 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  UCD81468  Sanicula bipinnatifida M. Wiesendanger 1927-5-4 679 Napa Near Monticello. Comment
  UCD149698  Sanicula crassicaulis Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  JEPS1735 Image available Sanicula menziesii var. pedata W. L. Jepson 1893-5-1 14189 Napa Calistoga Napa River Basin; Calistoga, Napa River Basin Comment
  JEPS104494  Sanicula tuberosa Jake Ruygt 1979-3-15 456 Napa south of Milliken Canyon, east of east end of Westgate Dr. 176 Comment
  RSA10677  Sanicula tuberosa C. B. Wolf 1928-5-3 s.n. Napa 5 miles north of Calistoga, Mt. St. Helena Grade. 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
  JEPS81600  Saxifraga californica R. Raiche 1982-3-7 20192 Napa 1.3 mi n of Sage Canyon Road (on Chiles and Pope Valley Road) Comment
  RSA10650  Saxifraga californica Carl B. Wolf 1928-5-3 1839 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  JEPS104490  Scandix pecten-veneris Jake Ruygt 1991-9-27 2846 Napa Willis Drive, Napa 15 Comment
  UCSC000537  Scandix pecten-veneris C. F. Sonne April 1888 s.n. Napa First found in N. America in wheatfield near Napa Junction Comment
  CAS-BOT-BC283613  Schedonorus pratensis Peter H. Raven 1951-6-24 3001 Napa Napa 30 Comment
  SEINET10333154  Schoenoplectus acutus A. A. Beetle 1940-5-5 1586 Napa One mile north of County Line on road from Vallejo to Napa Comment
  CAS-BOT-BC21128  Schoenoplectus acutus var. occidentalis Peter H. Raven 1952-5-31 4118 Napa 2.5 miles east of Yountville. 60 Comment
  CAS-BOT-BC111471  Schoenoplectus americanus Peter H. Raven 1957-5-5 10755 Napa Near hot springs runoff, Calistoga 91 Comment
  CAS-BOT-BC111472  Schoenoplectus americanus Peter H. Raven 1952-8-26 5139 Napa Salt marshes near Bentley Wharf. 15 Comment
  CAS-BOT-BC111826  Schoenoplectus tabernaemontani Peter H. Raven 1952-8-26 5133 Napa Salt Marshes near Bently Wharf. Comment
  CDA37948  Scirpus microcarpus D. G. Kelch 2010-5-6 10 .163 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS63957  Scirpus microcarpus Willis L. Jepson 1893-6-26 21218 Napa Howell Mt. Napa Range, , Napa River Basin (Napa River Basin) Comment
  JEPS63962  Scirpus microcarpus W. L. Jepson 1918-6-24 7667 Napa half way to toll-house on Mt. St. Helena from Calistoga (Silverado); , half way to toll-house on Mt. St. Helena Comment
  JEPS110740  Scrophularia californica subsp. floribunda Jake Ruygt 1981-4-22 998 Napa American Canyon east of Flosden Rd. 18 Comment
  JEPS112643  Scutellaria californica Jake Ruygt 1992-6-11 3029 Napa below South lake, Wild Horse Valley Ranch 426 Comment
  SEINET9303026  Scutellaria californica Ellen Dean, Bibbo, Mark 2002-6-17 1099 Napa Quail Ridge UC Reserve. SE corner of Lake Berrysea, just W of Monticello Dam. South Decker Canyon Rd, just S of jct with Cut Off Rd. Shady drainage with Quercus douglasii, Quercus wislizeni, and Symphoricarpos. Comment
  UC1239702  Scutellaria californica Joseph P. Tracy 1899-7-3 401 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
  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
  CDA11429  Scutellaria tuberosa G. F. Hrusa, M. Tu 1995-5-6 12152 Napa North Coast Biodiversity Arena; Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  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
  RSA201806  Sedella pumila W. R. Russell 1967-5-10 s.n. Napa Just N of Soscol House restaurant, ca. 2 miles S of Napa State Hospital, State Hwy 29. Comment
  UCD164852  Sedella pumila Jake Ruygt 2012-4-21 5822 Napa Crystal Flats, west of Putah Creek. 222 Comment
  JEPS106390  Sedum radiatum Jake Ruygt 1998-6-20 4043 Napa On Palisades trail from RLSSP, east of Table Rock. 701 Comment
  JEPS103971  Selaginella wallacei Jake Ruygt 1994-3-19 3326 Napa Top of the Palisades. 716 Comment
  UCD149720  Selaginella wallacei 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
  CAS-BOT-BC327422  Senecio flaccidus var. douglasii John Thomas Howell 1930-10-19 5607 Napa Conn Creek near entrance of Sage Canyon, Napa Valley Comment
  UCD161513  Senecio flaccidus var. douglasii Jake Ruygt 1989-6-3 2364 Napa Highway 128 southwest of Monticello Dam about 1/2 mile. 188 Comment
  RSA473138  Senecio greenei Robert Gustafson, Don Reynolds 1983-6-7 2737 Napa Butts Canyon Road, about 2 miles north of the junction with Aetna Springs Road. Comment
  JEPS37649  Senecio integerrimus var. exaltatus W. L. Jepson 1915-4-24 6262 Napa Chiles Creek Conn Valley Comment
  UCD161531  Senecio sylvaticus Jake Ruygt 1991-6-28 2736 Napa DFG property; Huichica Creek, Buchli Station. 1 Comment
  UCD19953  Senecio vulgaris E. A. Dean; Virginia Boucher 2002-2-28 894 Napa Quail Ridge Reserve. Along West Rd. 0.7 airline miles N of junction of West Rd. and Decker Canyon Trail. 213 Comment
  CAS-BOT-BC364597  Senecio vulgaris Peter H. Raven 1954-1-22 6378 Napa 4 miles north of Napa 76 Comment
  UCD92839  Setaria viridis Beecher Crampton 1964-8-18 7152 Napa 2 miles north of Calistoga Tubbs Lane, entrance to Old Faithful Geyser. Comment
  UC28464  Sherardia arvensis H. P. Chandler 1900-5-7 Napa Rutherford Comment
  JEPS77785  Sidalcea diploscypha Douglas W. James Jr. 1973-5-5 91 Napa not far from the 4-H camp pool (Las Posadas State Forest); Las Posadas State Forest 335 Comment
  UC18889  Sidalcea hartwegii Willis L. Jepson 1893-5-9 Napa hills w Rutherford; Napa River Basin, hills w of Rutherford Comment
  JEPS122761  Sidalcea keckii Jake Ruygt 2003-5-5 4519 Napa On middle road between Foley Creek and Long Canyon. Quad: Knoxville. Comment
  RSA537732  Sidalcea keckii Barbara Ertter, Annetta Carter 1989-5-28 8500 Napa Berryessa-Knoxville Road N of Lake Berryessa, 4.7 miles S of Knoxville tunnel, along Eticuera Creek. 305 Comment
Read comments
Apr 29 2008
  UCD116607  Sidalcea keckii John D. Atkin 1952-5-1 6 Napa on north slope of Portugese Canyon, about 1 mile up Putah Creek from Recreation Beach. Comment
  UC18857  Sidalcea malviflora subsp. laciniata Willis L. Jepson 1893-4-26 Napa Vineland Napa River Basin, Vineland Comment
  CAS-BOT-BC384451  Silene antirrhina Peter H. Raven 1951-6-26 3056 Napa Wooden Valley Grade 304 Comment
  UC564022  Silene californica R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6673 Napa on Howell Mt.--Middletown Road 10 mi from Pacific Union College; Howell Mt.--Middletown Road Comment
  JEPS50936  Silene gallica W. L. Jepson 1923-4-29 9893 Napa St. Helena 91 Comment
  UC1300951  Silene gallica Helen K. Sharsmith 1963-4-20 5339 Napa southern slopes Mt. Atlas (San Francisco Bay Region); , southern slopes Mt. Atlas 609 Comment
  CAS-BOT-BC388146  Silene gallica Ira L. Wiggins 1949-4-30 12074 Napa Along old toll road between Calistoga and Middletown, about 1.8 miles n.e. of Callistoga Comment
  UCD151215  Silybum marianum Jake Ruygt 1978-5-13 300 Napa Suscol Hill, west of Hwy 29 (221). 7 Comment
  CAS-BOT-BC135365  Sisyrinchium L. R. Abrams 1928-5-3 12212 Napa St. Helena Grade Comment
  UCD138801  Sisyrinchium bellum D. C. Finfrock 1950-4-2 12 Napa 2 miles from St. Helena on road to Pope Valley. Comment
  UCD138849  Sisyrinchium bellum M. Wiesendanger 1927-5-4 685 Napa Near Monticello. Comment
  UCD48728  Sisyrinchium bellum L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 18 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along North Decker Canyon Rd., 20-30 ft. N of stream. 152 Comment
  UCD48734  Sisyrinchium bellum Kook-Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 7 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Road, ca. 0.45 mi (2400 ft.) 'as the crow flies' NW of jct with South Decker Canyon Rd.; downslope of West Rd. ca. 20 m. 242 Comment
  JEPS64277  Sisyrinchium bellum Willis L. Jepson 1893-5-1 Napa near Calistoga (Franz Valley Grade, below summit); Sierra Foothills, Napa River Basin Comment
  POM291000  Sisyrinchium bellum Lyman Benson 1930-3-31 2020 Napa Calistoga, North Coast mt. range, base of Mt. St. Helena 305 Comment
  SEINET4171053  Sisyrinchium bellum Unknown 1963-4-27 Napa State Hwy 128, .5 mile S. of Lake Berryessa. 396 Comment
  UCD138846  Sisyrinchium bellum Greg Vita 1978-4-23 21 Napa 3.6 miles southwest of Monticello Dam on Route 128. 274 Comment
  UCD67946  Sisyrinchium bellum Lorraine Clarke 1977-4-16 26 Napa East Bull Canyon, 6.4 mi. by road SSW of Monticello Dam along hwy 128, 0.5 miles away from Highway 128. Growing on bank of dried-up creek. Blue flowers. 182 Comment
  UCD166695  Sisyrinchium californicum Jake Ruygt 1986-4-19 1707 Napa north side of Mt. George. 310 Comment
  SEINET4171098  Sisyrinchium douglasii Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15090 Napa Under Chaparral, 20 miles north of Napa Comment
  JEPS113975  Smilax californica Jake Ruygt 1990-4-30 2474 Napa Napa River about 1/4 mile north of Trancas Street. Napa 7.5' Quad. Comment
  UC26217  Solanum americanum Willis L. Jepson 1894-11-5 Napa Napa River Basin, St. Helina St. Helina; Napa River Basin, St. Helina Comment
  UCD21497  Solanum parishii Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4399 Napa Quail Ridge Reserve. 249 Comment
  RSA755379  Solanum rostratum L. Ahart 2009-10-27 16494 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road., About 20 air miles northwest of Winters. 130 Comment
  CAS-BOT-BC156484  Solanum umbelliferum J. T. Howell 1933-5-21 11316 Napa Hills east of Napa Comment
  POM204485  Solanum umbelliferum J. T. Howell 1933-5-21 11316 Napa Hills east of Napa. Comment
  CAS-BOT-BC365095  Solidago velutina subsp. californica John Thomas Howell 1933-8-27 11626 Napa Sage Canyon, Napa Range Comment
  JEPS106876  Solidago velutina subsp. californica Jake Ruygt 1990-7-14 2602 Napa Yountville Ecological Reserve, Napa River at Yount.Cross 28 Comment
  JEPS106873  Soliva sessilis Jake Ruygt 1986-4-19 1711 Napa .4 miles east of Flosden Rd. on American Canyon Rd. 36 Comment
  RSA474085  Sonchus asper P. H. Raven 1965-5-15 20201 Napa 4 miles S of junction of State Hwy 128 on State Hwy 121, near Capell Valley. Comment
  CAS-BOT-BC374655  Sonchus oleraceus Elsa G. Ruckert 1960-2-20 1 Napa 6495 Dry Creek Road. Field southwest of house 365 Comment
  CAS-BOT-BC235281  Sorghum bicolor R. E. Frenkel 1963-10-27 287 Napa On both sides of Silverado Road, 2.5 miles north of Conn Dam turn-off Comment
  POM118625  Spergula arvensis Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC390246  Spergularia macrotheca var. leucantha A. A. Heller 1924-4-12 13849 Napa Near one of the hot springs at Calistoga Comment
  CAS-BOT-BC390295  Spergularia macrotheca var. longistyla John Thomas Howell 1926-3-27 1759 Napa Myrtledale Hot Springs near Calistoga Comment
  HSC34855  Spergularia macrotheca var. longistyla Thomas W. Nelson, James Nelson 1975-5-5 1805 Napa Calistoga Airport Comment
  UCD118611  Spergularia rubra William Goss; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat. 388 Comment
  CAS-BOT-BC390563  Spergularia rubra Peter H. Raven 1952-5-31 4163 Napa Flood plain of Rector Creek 121 Comment
  RSA0098130  Spergularia rubra var. perennans J. C. Roos 1939-5-13 268 Napa Near Angwin. Comment
  JEPS112646  Stachys ajugoides Jake Ruygt 1996-6-3 3742 b Napa Jameson Vinyards near South Kelly Road. 103 Comment
  JEPS112631  Stachys ajugoides var. rigida Jake Ruygt 1996-4-20 3616 Napa Jameson Vineyards, Jameson Canyon. 79 Comment
  RSA10668  Stachys bullata Carl B. Wolf 1928-5-3 1821 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA195294  Stachys rigida subsp. quercetorum Gilbert Muth 1967-5-17 671 Napa Oat Hill Road, Calistoga 244 Comment
  UCD148834  Stachys stricta Ellen Dean; Diana Hickson 2014-4-29 8139 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  UCD17986  Stellaria media Ellen Dean; with Plant Biology 102 class 2001-4-14 712 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. At junction of West Loop Rd. and Decker Bay Trail. 152 Comment
  CAS-BOT-BC393989  Stellaria nitens John Thomas Howell 1931-4-2 6054 Napa Wooden valley Grade 4 miles east of Napa Comment
  CAS-BOT-BC375248  Stephanomeria elata Peter H. Raven 1951-8-19 3839 Napa Nr. Lokoya 487 Comment
  JEPS129047  Stephanomeria virgata subsp. pleurocarpa Jake Ruygt 2016-6-11 6281 Napa Smittle Creek, east side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD67887  Stephanomeria virgata subsp. pleurocarpa D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Knoxville-Berryessa Road. 220 Comment
  JEPS122973  Stipa lepida Jake Ruygt 1986-4-26 1729 Napa East of Wragg Canyon Resort, Blue Ridge. Quad: Mt. Vaca. Comment
  SACT002369  Stipa lepida John Willoughby 1977-4-27 Napa Along State Highway 128 near Monticello Dam, northwest facing slope on south side of highway. Comment
  UCR146180  Stipa lepida Beecher Crampton 1967-6-20 8131 Napa Inner North Coast Ranges, Martley [??] Canyon summit, Vaca Mountains 335 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-BC61145  Streptanthus barbiger John Thomas Howell 1941-6-22 16323 Napa Hills southwest of Saint Helena. Comment
  CAS-BOT-BC61247  Streptanthus breweri Robert F. Hoover 1966-5-28 9879 Napa Just south of summit on Butts Canyon road from Pope Valley. Comment
  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
  UCD167702  Streptanthus breweri W. Robert Powell 1977-4-16 2487 Napa Just east of Butts Canyon Road. 2.5 air miles from Aetna Springs. 4.0 air miles from town of Pope Valley. (Exact location unknown. Coordinates estimated by label maker.) 277 Comment
  UC518933  Streptanthus breweri var. breweri David D. Keck 1933-5-29 2369 Napa Pope Creek bridge s Walters Springs (roadbank) Comment
  CAS-BOT-BC87151  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-3 6120 Napa Napa Range. Pope Creek Canyon, 8 miles from Monticello. Comment
  JEPS106602  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1989-4-8 2252 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 249 Comment
  JEPS129170  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2015-4-20 6075 Napa Fernandes/ Land Trust, Snell Peak area. Aetna Springs 7.5' Quad. Comment
  JEPS84639  Streptanthus glandulosus subsp. glandulosus John W. Willoughby 1977-4-20 2145 Napa w side of ridge below and just to s Mount Vaca; Vaca Mountains, Blue Ridge 457 Comment
  UC1278007  Streptanthus glandulosus subsp. glandulosus B. Crampton 1957-5-16 4043 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UC162826  Streptanthus glandulosus subsp. glandulosus Joseph P. Tracy 1902-5-16 1494 Napa 3-4 mi e Angwin's (hills at head of creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  UCD74406  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1996-4-27 3636 b Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 384 Comment
  JEPS96911  Streptanthus morrisonii Dean W. Taylor 1998-6-23 16690 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
Read comments
Apr 14 2012
  UCD161709  Streptanthus morrisonii Jake Ruygt 2010-7-5 5663 Napa east of White Point. (Coorindates converted from UTM data by label maker.) 658 Comment
  UCD164730  Streptanthus morrisonii Jake Ruygt 2014-6-14 6010 Napa Livermore Ranch, NW of Cornona Mine. 667 Comment
  UCD74414  Streptanthus tortuosus Jake Ruygt 1986-4-12 1688 Napa Devil's Canyon. 569 Comment
  UCD148766  Symphoricarpos albus var. laevigatus Jake Ruygt 1991-7-20 2786 Napa Napa County; Pope Creek at high water line of Lake Berryessa. 124 Comment
  CAS-BOT-BC97738  Symphyotrichum chilense Doris K. Kildale 1928-5-8 5051 Napa 1/2 mile from Napa-Solano county line, on road to Vacaville Comment
  CHSC106847  Symphyotrichum subulatum var. parviflorum Barbara Ertter; Elizabeth Neese 1988-10-2 7950 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on N side of Rt 128. 91 Comment
  CAS-BOT-BC221920  Taeniatherum caput-medusae Peter H. Raven 1951-5-26 2878 Napa Butts Canon [Canyon] 304 Comment
  UCD86121  Taeniatherum caput-medusae Beecher Crampton 1962-5-16 6436 Napa town of Pope Valley. Comment
  JEPS122772  Tamarix parviflora Jake Ruygt 2011-5-7 5772 Napa Pope Canyon Road, Pope Creek, west of arm of Lake Berryessa. Quad: Walter Springs. Comment
  JEPS120336  Taraxia ovata Jake Ruygt 1990-4-1 2452 Napa White Creek, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  CDA20091  Tetrapteron graciliflorum A. Howald 2003-4-23 2302 Napa North Coast Ranges; Missimer Snell Valley Wildflower Area, 2.3 mi E of Butts Cyn Rd on Snell Valley Rd. Comment
  UCD125814  Teucrium fruticans Irving Grover 1964-4-15 s.n. Napa Agricultural Extension Service. 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
  JEPS106595  Thelypodium brachycarpum Jake Ruygt 1982-6-15 1325 Napa Devilshead Rd. area north of Cedar Creek on road to Hunting Cr 387 Comment
  UC1197483  Thermopsis californica var. californica Joseph P. Tracy 1933-4-30 12103 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  UCD108633  Thermopsis californica var. californica C. H. Lamoureux; J. M. Tucker, Roman Gankin 1957-4-11 1211 Napa South side of Lake Hennessy, 1 mile west of junction of State Highway 128 and Pope Valley Road. Comment
  UCD108634  Thermopsis californica var. californica M. Wiesendanger 1927-5-4 689 Napa Monticello-Napa Rd. Comment
  JEPS65662  Thermopsis californica var. californica Willis L. Jepson 1895-4-27 13584 Napa Union Station Napa Valley, Napa River Basin Comment
  UCSB7191  Thermopsis gracilis Keator, Glenn 1959-3-28 Napa About 1/2 mile above Conn's picnic grounds near Lake Hennessy, Napa range Comment
  UC1537026  Thermopsis macrophylla var. macrophylla Gordon H. True Jr. 1938-4-13 864 Napa roadside near Oak Knoll Comment
  CAS-BOT-BC66499  Thysanocarpus curvipes Alice Eastwood 1918-5-1 6846 Napa Mount Saint Helena. Comment
  CAS-BOT-BC66500  Thysanocarpus curvipes Alice Eastwood 1918-5-2 6875 Napa Calistoga. Comment
  JEPS54167  Thysanocarpus curvipes W. L. Jepson 1897-5-2 30 f Napa St. Helena Comment
  UC11013  Thysanocarpus curvipes Willis L. Jepson 1893-4-26 Napa La Lomita; Napa River Basin, La Lomita Comment
  CAS-BOT-BC66485  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6099 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  CAS-BOT-BC66502  Thysanocarpus curvipes Peter H. Raven 1953-4-2 5274 Napa Hill west of Tulucay Creek. 243 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
  UC10996  Thysanocarpus curvipes Willis L. Jepson 1893-4-28 Napa plateau n Wooden Valley grade (Napa River Basin); , n of Wooden Valley grade Comment
  RSA122894  Thysanocarpus curvipes var. curvipes B. O. Schreiber 1938-4-24 2496 Napa Wooden Valley Grade, 5.2 miles NNE of Napa 274 Comment
  UC457173  Thysanocarpus radians David D. Keck 1931-4-2 1046 Napa 4 mi s Monticello (eastern Napa County) Comment
  UCD124645  Tonella tenella G. F. Hrusa; R. Cole, D. Anderson 1995-3-26 12024 Napa On N slope immediately below field house, Quail Ridge Reserve. 370 Comment
  UCD170303  Tonella tenella Daniel Potter; N Khuu, A Holland, J Poore, C Adlam 2016-3-19 843 Napa Knoxville Wildlife Area, southern portion, east of Berryessa-Knoxville Road. 231 Comment
  JEPS18244  Tonella tenella Peter H. Raven 1957-5-5 10763 Napa w edge Calistoga 182 Comment
  UCD159916  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
  UCD47846  Torilis nodosa Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 1 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, W side of Knoxville Creek, 1 road mile S of the gate to old town of Knoxville. Comment
  CAS-BOT-BC85168  Torreya californica J. M. Tucker 1954-4-22 2699 Napa Beside Highway 29, east side of Mt. St. Helena, 1 mile north of summit of road Comment
  SEINET265710  Torreya californica Royal D. Suttkus 1967-6-26 67- 30 -22 Napa Clearly Reserves 7.2 mi NW of Pope Valley Comment
  UC1001196  Torreya californica Peter H. Raven and G. L. Stebbins Jr. 1953-4-19 5330 Napa e of Chiles Valley; Soda Creek 137 Comment
  JEPS45711  Toxicodendron diversilobum W. L. Jepson Jan. 1898 Napa St. Helena Comment
  JEPS63911  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19477 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek Comment
  SD106154  Toxicodendron diversilobum W. L. Jepson 1915-4-23 6236 Napa Hills east of St. Helana Comment
  UCD15984  Toxicoscordion fontanum C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 1 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along W-side of Devilhead Rd. 38 deg. 49' 11.2'' N; 122 deg. 21' 11.7''W; 480 m. Comment
  UCD139849  Toxicoscordion fremontii R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  CAS-BOT-BC220990  Trichostema Jake Ruygt 2004-7-31 4638 Napa Northwest of Buzzard's Roost, north end of Stags Leap 411 Comment
  SEINET9366903  Trichostema lanceolatum Unknown 1997-8-17 Napa Pope Valley Comment
  JEPS112638  Trichostema laxum Jake Ruygt 1986-7-2 1854 Napa 4.5 miles N of Westgate Dr. on Atlas Peak Rd. 448 Comment
  UC615138  Trichostema laxum Beryl O. Schreiber 1936-9-20 2350 Napa 5 mi S of Reiff 762 Comment
  UCD166642  Trichostema laxum Jake Ruygt 2007-7-1 5245 Napa west of Hwy 29, near Lake County line. 541 Comment
  OBI13450  Trichostema laxum Robert F. Hoover 1966-8-23 9919 Napa E side of Mt. St. Helena Comment
  RSA703  Trichostema laxum J. T. Howell 1927-8-24 686 Napa Near Walter s Spring, Napa Range. Comment
  JEPS120348  Trichostema ruygtii Jake Ruygt 2004-8-21 4648 Napa Atlas Peak Road about 1/4 mile north of Hardman Ave., near Silverado C. C. Napa 7.5' Quad. Comment
  JEPS120352  Trichostema ruygtii Jake Ruygt 1991-8-1 2808 Napa Los Posados Road near fire station. Saint Helena 7.5' Quad. Comment
  UC1925875  Trifolium Ethel Crum 1931-1 1065 Napa Pope Valley Comment
  JEPS126091  Trifolium albopurpureum Jake Ruygt 1995-4-29 3451 Napa Skyline Park, Sugarloaf Peak Trail. Mount George 7.5' Qua. Comment
  UCD107349  Trifolium albopurpureum Freed W. Hoffman 1947-4-9 1361 Napa North Coast Ranges, Bucksnort Creek. Comment
  JEPS106689  Trifolium albopurpureum var. albopurpureum Jake Ruygt 1980-4-13 833 Napa Snell Valley 237 Comment
  CHSC79166  Trifolium albopurpureum var. dichotomum Beecher Crampton 1967-5-11 7918 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  UC160915  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1902-5-18 1542 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 518 Comment
  UC1925870  Trifolium bifidum Ethel Crum 1931-1 1055 Napa Pope Valley Comment
  UCD16046  Trifolium bifidum var. bifidum R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 19 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. West of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown, clay, moderately moist soil, east facing slope, sunny. Herb, 10-13 cm tall, flowers light pink to lavender. Comment
  JEPS106697  Trifolium bifidum var. decipiens Jake Ruygt 1997-4-23 3833 Napa Lower Chiles Valley Road, 1/4 mile N of HWY 128. 280 Comment
  UCD117802  Trifolium bifidum var. decipiens Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCD48976  Trifolium bifidum var. decipiens Kook-Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 10 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca.0.45 miles (2400 ft.) 'as the crow flies' NW of jct with South Decker Canyon Rd.; downslope of West Rd. ca. 20 m. 242 Comment
  UCD83438  Trifolium bifidum var. decipiens Jake Ruygt 2005-5-6 4815 Napa Newell Canyon Open Space; near Napa/Solano County line. 283 Comment
  JEPS122769  Trifolium cernuum Jake Ruygt 2011-5-12 5784 Napa Ridgeview Lane south of Howell Mtn Road. Quad: St. Helena. Comment
  JEPS129098  Trifolium ciliolatum Jake Ruygt 2016-4-30 6218 Napa Smitty Ranch, east side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCD149693  Trifolium ciliolatum 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
  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
  UC1543228  Trifolium ciliolatum Donald G. Nelson 1936-4-1 124 Napa along trail (to Green Valley Falls) Comment
  JEPS65834  Trifolium depauperatum var. depauperatum W. L. Jepson 1893-5-1 13724 Napa rd from Kings Valley to Knights Valley upper Napa Valley Comment
  UC162802  Trifolium depauperatum var. stenophyllum Joseph P. Tracy 1902-5-18 1541 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 518 Comment
  UCD21503  Trifolium depauperatum var. truncatum Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4405 Napa Quail Ridge Reserve. 262 Comment
  RSA10688  Trifolium dichotomum Carl B. Wolf 1928-5-3 1799 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCR146185  Trifolium dichotomum Beecher Crampton 1954-4-26 1787 Napa Inner North Coast Ranges, 12 miles east of Rutherford, along Hwy. 128 305 Comment
  UCD118747  Trifolium dubium Katherine Graham; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, in main meadow, along oak woodland. 388 Comment
  UCD83444  Trifolium dubium Jake Ruygt 1991-6-10 2714 Napa Lake Henne, Friesen's Lakes. 553 Comment
  UCD95680  Trifolium fragiferum Ellen Dean; with Clare Loughran 2011-5-20 7025 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  JEPS106807  Trifolium fucatum Jake Ruygt 1985-4-27 1587 Napa Spanish Valley 219 Comment
  UCD141586  Trifolium fucatum Ellen Dean 2013-4-27 7707 Napa Las Posadas State Experimental Forest. Recreation Flat. 396 Comment
  JEPS106811  Trifolium glomeratum Jake Ruygt 1983-5-1 1449 b Napa Suscol Ridge east side of HWY 29 (221) 28 Comment
  JEPS106813  Trifolium gracilentum var. gracilentum Jake Ruygt 1982-4-7 1174 Napa Suscol Plain between Kaiser Steel and HWY 29 (221) 4 Comment
  JEPS126093  Trifolium incarnatum Jake Ruygt 1980-2-29 804 Napa Green Island Road at Highway 29. Cuttings Wharf 7.5' Qua. Comment
  JEPS106710  Trifolium microcephalum Jake Ruygt 1980-5-3 867 Napa Oat Hill Mine Rd. at Twin Peaks 755 Comment
  UCD159935  Trifolium microcephalum 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
  RSA10698  Trifolium microcephalum Carl B. Wolf 1928-5-3 1789 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD109244  Trifolium obtusiflorum R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  JEPS106714  Trifolium oliganthum Jake Ruygt 1989-4-8 2250 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 182 Comment
  UCD128339  Trifolium resupinatum Virginia Moran 2012-5-1 s.n. Napa No exact location. Comment
  JEPS129145  Trifolium subterraneum Jake Ruygt 1978-4-30 283 Napa 0.1 mile south of Oak Knoll Avenue on Silverado Trail. Napa 7.5' Qua. Comment
  UCD83432  Trifolium variegatum Jake Ruygt 1991-5-11 2657 Napa Aetna Springs, 0.5 mi W of golf course. 310 Comment
  POM216217  Trifolium variegatum var. melananthum D. D. Keck 1933-5-28 2336 Napa Between Pope Valley P.O. and Walters Springs. Comment
  UC1197559  Trifolium variegatum var. melananthum Joseph P. Tracy 1902-5-26 1634 Napa near Calistoga; Napa Valley 91 Comment
  JEPS106686  Trifolium variegatum var. pauciflorum Jake Ruygt 1991-5-11 2667 Napa intersection Aetna Extension Rd. with Oat Hill Mine Rd. 670 Comment
  UC16765  Trifolium variegatum var. variegatum Willis L. Jepson 1894-5-1 Napa Conn Valley Comment
  JEPS106688  Trifolium willdenovii Jake Ruygt 1989-4-8 2251 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 377 Comment
  JEPS4401  Trifolium willdenovii Willis L. Jepson 1893-4-24 13672 Napa e St. Helena (hills, to Conn Valley); Napa River Basin Comment
  UC137707  Trifolium willdenovii C. F. B. 1903-4-19 1992 Napa Calistoga Comment
  UCD149706  Trifolium willdenovii Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD160013  Trifolium willdenovii James A. Neilson Jr. 1975-4-13 3138 Napa Soda Canyon Road. (Exact location unknown. Elevation and coordinates estimated by label maker.) 457 Comment
  UCD83424  Trifolium willdenovii Jake Ruygt 2005-3-28 4727 Napa Berryessa-Knoxville Rd., between Spanish Flat and Lake Berryessa Marina. 146 Comment
  POM18840  Trifolium willdenovii C. F. Baker 1903-4-19 1989 Napa Calistoga. Comment
  UCD109875  Trifolium willdenovii Helen K. Sharsmith 1963-3-17 5230 Napa Along Silverado Trail. 76 Comment
  UCD109894  Trifolium willdenovii R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  SBBG1071  Trillium chloropetalum H. and M. Dearing 1939-5-1 3240 C Napa Bill Hart's Ranch, St. Helena Comment
  UCD48230  Triphysaria eriantha subsp. eriantha J. Waggoner; E. Anderson, L. Lina, A. Miles, and R. Wenk 2000-4-22 27 Napa Napa County, California. McLaughlin Reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  JEPS20135  Triphysaria eriantha subsp. eriantha W. W. Mott 1915-4-25 Napa Napa Comment
  UC194178  Triphysaria eriantha subsp. eriantha C. F. Sonne April 1896 Napa near Napa Junction; near Napa Junction Comment
  UC75149  Triphysaria versicolor subsp. faucibarbata C. F. Baker 1900-4-19 2632 Napa Calistoga Comment
  UCD123425  Triphysaria versicolor subsp. faucibarbata M. Wiesendanger 1928-4-5 866 Napa Calistoga. Comment
  UC1301196  Triphysaria versicolor subsp. faucibarbata Helen K. Sharsmith 1963-4-20 5356 Napa Wooden Valley; San Francisco Bay Region 213 Comment
  UC1301199  Triphysaria versicolor subsp. faucibarbata Helen K. Sharsmith 1963-3-17 5239 Napa Henry Road e Napa; San Francisco Bay Region 121 Comment
  POM262797  Trisetum canescens J. C. Roos 1939-5-7 297 Napa Angwin, Napa Range Comment
  JEPS110904  Triteleia hyacinthina Jake Ruygt 1977-5-3 211 Napa 1.6 miles north of Monticello Rd. on Atlas Peak Rd. 54 Comment
  UCD83726  Triteleia hyacinthina Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 5 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 198 Comment
  CAS-BOT-BC526506  Triteleia laxa John H. Thomas 1955-5-21 5150 Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 167 Comment
  UCD102761  Triteleia laxa Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 180 Comment
  CHSC108728  Triteleia peduncularis B. Castro; L. P. Janeway 2002-5-12 1357 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 505 Comment
  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
  JEPS40103  Umbellularia californica W. L. Jepson 1937-4-9 17998 Napa Howell Mountain, St. Helena, 1/4 mi below summit St. Helena; Howell Mountain, St. Helena Comment
  POM202744  Umbellularia californica I. L. Wiggins 1932-3-12 5754 Napa Bank of N Fork of Napa River, 1 mile N of Calistoga. Comment
  RSA245297  Umbellularia californica J. P. Smith, J. O. Sawyer 1972-2-20 5069 Napa 128 just west of Lake Hennessey. Comment
  CAS-BOT-BC381966  Uropappus lindleyi John Thomas Howell 1931-4-3 6137 Napa Pope Creek Canyon, 8.5 miles from Monticello, Napa Range Comment
  JEPS106871  Uropappus lindleyi Jake Ruygt 1982-3-20 1137 Napa Campbell Flat, Mt.St.John 323 Comment
  JEPS35616  Uropappus lindleyi Willis L. Jepson 1893-5-2 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  UCD63169  Uropappus lindleyi Jake Ruygt 1979-4-6 482 Napa 0.3 miles east of Butts Canyon Rd. on Snell Valley Rd. 207 Comment
  CAS-BOT-BC404186  Urtica dioica subsp. holosericea Dennis W. Woodland 1969-8-6 1312 Napa 100 yards south of junction and bridge of Pratt Ave. and Silverado Drive; 1 mile east of St. Helena and highway 29; 1/2 mile south of Anguin Road Comment
  CAS-BOT-BC526977  Urtica dioica subsp. holosericea Dennis W. Woodland 1970-8-13 1615 Napa About 100 yds E of bridge, a junction of Petrified Forest Road and Hwy 128, 1 mi N of Calistoga Comment
  UCD167017  Vaccinium ovatum Jake Ruygt 1984-3-31 1520 Napa Devil's Canyon. 405 Comment
  JEPS11173  Verbascum blattaria W. L. Jepson 1936-6-2 17607 Napa near bridge on road to Sanitarium St. Helena (banks of Napa River); , St. Helena 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
  JEPS129174  Vicia americana Jake Ruygt 2015-3-16 6042 Napa Sutro Ranch, Atlas Peak. Yountville 7.5' Quad. Comment
  SBBG3867  Vicia americana subsp. americana H. and M. Dearing 1939-5-1 3247 Napa Spring Mtn Grade Comment
  RSA92830  Vicia angustifolia Peter H. Raven 1951-5-26 2867 Napa Lokoya Lodge 412 Comment
  UCD168572  Vicia sativa Stephen P. Rae; A. Solomeshch 2007-3-19 s.n. Napa Lieff property east of Rutherford, 40 Auberge Road above Rutherford Hill Road, just north of the intersection of Silverado Trail and Highway 128. 165 Comment
  POM16866  Vicia sativa C. F. Baker 1903-4-19 2600 Napa St. Helena 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
  UCD108962  Vicia sativa subsp. nigra Helen K. Sharsmith 1963-4-20 5343 Napa Southern slopes of Mt. Atlas. 609 Comment
  UCD15486  Vicia villosa Tim Nugent 1984-5-19 3 Napa 10 meters south at creek. 304 Comment
  UCD109152  Vicia villosa subsp. varia Helen K. Sharsmith 1963-4-20 5351 Napa East side Napa Range on Monticello Road above Wooden Valley. 243 Comment
  UC2043154  Vicia villosa subsp. villosa Barbara Ertter with Jake Ruygt 1996-4-25 14602 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  CAS-BOT-BC537068  Viola lobata Peter H. Raven 1952-5-26 4046 Napa Howell Mt. 426 Comment
  RSA51299  Viola lobata Peter H. Raven 1950-4-15 1769 Napa Wooden Valley Grade above Napa. 701 Comment
  UCD118128  Viola lobata subsp. integrifolia Linnea Neuhaus; Plant Biology 102 Collectors 2012-4-29 1 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520