Search Results — 2000 specimen records retrieved (1477 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/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
  JEPS115687  Abutilon theophrasti Lowell Ahart 2009-10-27 16497 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
  JEPS122719  Abutilon theophrasti Jake Ruygt 1996-9-2 3767 Napa SW corner, Silverado Trail at Pope Street, St. Helena. Quad: St. Helena. Comment
  UC370333  Abutilon theophrasti Mrs. U. C. Jolley Sep 1928 Napa Napa Comment
  UCD54554  Acacia dealbata Ellen Dean 2005-10-12 2742 Napa W of town of Napa. N side of Partrick Rd. 1660 Partrick Rd. 236 Comment
  CAS-BOT-BC331520  Acer macrophyllum Ira L. Wiggins 1928-3-25 2886 Napa 1.5 mi. NE of Calistoga Comment
  CAS-BOT-BC331523  Acer macrophyllum Elsa G. Ruckert 1960-4-24 114 Napa 6495 Dry Creek Road, at gate 365 Comment
  SEINET2043780 Image available Acer macrophyllum Royal D. Suttkus 1967-6-26 673021 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  SEINET4326871 Image available Acer macrophyllum Unknown 1967-6-26 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  SFV8411  Acer macrophyllum G. L. Webster 1967-3-23 7486 Napa Along Chiles Creek about 1 mile SW Chiles Grist Mill, Pope Valley Road. At edge of stream. 137 Comment
  UCD162093  Acer macrophyllum Dylan O. Burge 2014-3-15 1490 Napa Mount Saint Helena. 740 Comment
  JEPS127888  Achillea millefolium Adam C. Schneider with Dick O'Donnell 2013-5-26 216 Napa About 200 meters west of Butts Canyon Rd. Comment
  UCD118600  Achillea millefolium William Goss; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  CAS-BOT-BC28690  Achillea millefolium P. H. Raven 1952-8-26 5141 Napa Near Bentley Wharf 18 Comment
  RSA786931  Achillea millefolium var. borealis Carrie A. Herd 1982-5-9 98 Napa Sage Canyon Road, Con Dam area Comment
  RSA195347  Achillea millefolium var. californica Gilbert Muth 1967-5-17 682 Napa Summit of Oat Hill Road 671 Comment
  UCD50291  Achnatherum coronatum Jack Maze 1964-5-8 48 Napa 3 miles southwest of Monticello Dam, State Highway 128, Napa County, California. Comment
  UCD48568  Achyrachaena mollis Kook-Hyun Chung; J. Deusterman, C. Ineich, M. Hauselt 2001-4-28 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd., N of jct with South Decker Canyon Rd. 213 Comment
  UCR24355  Achyrachaena mollis John C. Roos 1939-4-15 285 Napa North Coast Range, Pope Valley, [near] Pacific Union College, Angwin 240 Comment
  CAS-BOT-BC29757  Achyrachaena mollis David D. Keck 1931-4-3 1058 Napa 7 miles NW of monticello (1 mile above the mouth of Pope Creek) Comment
  UCD16032  Achyrachaena mollis L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 10 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
  UCD167136  Acmispon americanus var. americanus Jake Ruygt 2015-5-23 6110 Napa Missimer - Snell Valley Preserve. 178 Comment
  JEPS129159  Acmispon brachycarpus Jake Ruygt 2015-3-28 6053 Napa Snell Peak, Fernandez, Land Trust. Aetna Springs 7.5' Quad. Comment
  UCD170661  Acmispon brachycarpus 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 139 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
  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
  SEINET200082  Adenostoma fasciculatum Susan Wagener 1955-5-15 61 Napa At lookout point 1/2 mile southwest of Oakville on Triniti Road to Glen Ellen. Comment
  UCD112604  Adenostoma fasciculatum Kamala Crompton 1996-5-3 7 Napa Along Road 128, S of Lake Berryessa. Comment
  UCD160800  Adenostoma fasciculatum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8680 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD48197  Adenostoma fasciculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 9 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD49130  Adenostoma fasciculatum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 23 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 200 m up Cut-Off Rd. from South Decker Canyon Rd. 213 Comment
  CDA11619  Adiantum aleuticum G. F. Hrusa, G. L. Stebbins 1994-3-11 11591 Napa North Coast Biodiversity Arena; Las Posadas State Forest, in upper canyon of Moore Creek. Comment
  UCD137059  Adiantum aleuticum G. F. Hrusa; G. L. Stebbins 1994-3-11 11591 Napa Las Posadas State Forest, Morre Creek. 400 Comment
  CAS-BOT-BC65667  Adiantum jordanii Carl B. Wolf 1928-5-3 1843 Napa base of Mt. St. Helena Comment
  RSA491726  Adiantum jordanii James L. Reveal 1987-6-7 6397 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road, about 6.5 miles northwest of Vacaville 610 Comment
  UCD137221  Adiantum jordanii R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  UCD48359  Adiantum jordanii Kook-Hyun Chung 2001-4-28 2 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft) NW of jct with South Decker Canyon Rd. 53 Comment
  CAS-BOT-BC202654  Aesculus californica Severin A. Baumann 1953-7-4 9 Napa 3 mi. from Oakville on highway betw. Boyes Spring and Oakville 121 Comment
  CAS-BOT-BC202658  Aesculus californica Marion Ownbey; Ruth P. Ownbey 1938-7-9 1701 Napa 6 miles northeast of Napa Comment
  RSA60347  Aesculus californica G. R. Campbell 1948-6-18 660 Napa 10 miles south of Montecello. 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
  SBBG7511  Agoseris grandiflora H. and M. Dearing 1939-5-2 3829 Napa near Napa Comment
  UC768683  Agoseris grandiflora var. grandiflora Robert F. Hoover 1941-6-8 5323 Napa E side of Mt. St. Helena. Comment
  UC1301062  Agoseris grandiflora var. grandiflora Helen K. Sharsmith 1962-6-3 5104 Napa Napa-Soda Springs Rd. San Francisco Bay Region 152 Comment
  UC29369  Agoseris grandiflora var. grandiflora Willis L. Jepson 1893-6-1 Napa road to Napa Soda Springs (?); Napa River Basin Comment
  CAS-BOT-BC22751  Agoseris heterophylla L. R. Abrams 1928-5-3 12228 Napa Saint Helena Grade Comment
  UCD170681  Agoseris heterophylla 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. 158 Comment
  CAS-BOT-BC46059  Agoseris heterophylla var. cryptopleura John Thomas Howell 1931-4-19 6451 Napa Conn Valley Comment
  CAS-BOT-BC46061  Agoseris heterophylla var. cryptopleura David D. Keck 1933-5-29 2347 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS36237  Agoseris heterophylla var. heterophylla W. L. Jepson 1938-5-18 18798 Napa slope above St. Helena Sanitarium; Howell Mts. Comment
  JEPS36384  Agoseris hirsuta Willis L. Jepson 1892-8-1 Napa Creston <illegible, may read breston> Comment
  UC635556  Agoseris hirsuta Herbert L. Mason 1926-3-20 2748 Napa marshes s of, along railroad right of way Calistoga Comment
  UC72587  Agrostemma githago Miss M. Alice King Napa St. Helena 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
  UC1153788  Agrostis exarata Beecher Crampton 1957-6-4 4105 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UC766831  Agrostis exarata R. F. Hoover 1941-5-10 5007 Napa between St. Helena and Calistoga Comment
  UCD52270  Agrostis exarata August L. Hormay Date Unknown Napa North of Napa. Comment
  UCR267290  Agrostis exarata Stephen P. Rae, Ayzik Solomeshch 2006-5-30 s.n. Napa north side of Soscol Ridge, south of the city of Napa, c. 3/4 km east of Hwy 121, on the south side of Soscol Creek 25 Comment
  CAS-BOT-BC139671  Agrostis gigantea John Thomas Howell 1943-6-20 18241 Napa Hills southwest of Saint Helena. Comment
  UCD164740  Agrostis gigantea Jake Ruygt 2014-7-7 6021 Napa Pope Creek. Pope Canyon. 188 Comment
  CAS-BOT-BC139521  Agrostis hallii Peter H. Raven 1952-5-31 4102 Napa 1.5 mile east of Yountville. 30 Comment
  UC187292  Agrostis hallii Joseph P. Tracy 1904-5-23 2093 Napa hills e Calistoga; Northern Coast Ranges 243 Comment
  SEINET10510088  Agrostis hallii Peter H. Raven 1952-5-31 Raven 4102 Napa 1.5 mi. Yountville. 30 Comment
  CAS-BOT-BC138818  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Northern Coast Ranges. Calistoga Hot Springs. 91 Comment
  CAS-BOT-BC139015  Agrostis pallens John Thomas Howell 1943-6-19 18236 Napa Hills southwest of Saint Helena. Comment
  UCD53098  Agrostis pallens Beecher Crampton 1956-5-25 3479 Napa East slopes of Howell Mtns. above Wooden Valley. Comment
  JEPS20271  Ailanthus altissima Alice King Jul 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  UCD159958  Aira caryophyllea Alice Warrick 2006-6-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q44. 243 Comment
  SEINET12044092  Allium amplectens J. T. Howell 1933-1 11319 Napa Hills E of Napa Comment
  JEPS110939  Allium cratericola Jake Ruygt 1979-4-14 515 Napa Oat Hill Mine Road, Twin Peaks 694 Comment
  POM252944  Allium cratericola A. A. Heller 1938-4-3 15012 Napa Flat, treeless summit of Table Mountain, north of Oroville. 305 Comment
  UCD161516  Allium cratericola Jake Ruygt 1990-4-8 2473 Napa White Creek, Wild Horse Valley Ranch. 408 Comment
  UC14989  Allium falcifolium J. P. Tracy 1902-5-21 1591 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain, Moore's Creek 335 Comment
  UC3081  Allium falcifolium Willis L. Jepson 1894-5-1 Napa Upper Conn Valley Comment
  CAS-BOT-BC469025  Allium falcifolium John Morrison; Annetta Carter 1938-4-24 1355 Napa 0.6 miles west of Knoxville on road from Monticello to Lower Lake. Comment
  RSA195377  Allium falcifolium Gilbert Muth 1967-4-16 630 Napa Snell Valley. 183 Comment
  RSA22699  Allium falcifolium J. Morrison, Annetta Carter 1938-4-24 1355 Napa 0.6 miles west of Knoxville on road from Monticello to Lower Lake. Comment
  SEINET12043963  Allium falcifolium J. Morrison, Carter, A. 1938-1 1355 Napa .6 mi W of Knoxville on road from Monticello to Lower Lake Comment
  UCD138528  Allium fimbriatum Robert E. Preston 1988-4-10 577 Napa 0.4 mile SW of the confluence of Putah and Hunting Creeks. 268 Comment
  CAS-BOT-BC472784  Allium neapolitanum Peter H. Raven 1957-5-5 10786 Napa Calistoga 91 Comment
  RSA123628  Allium serra Milo S. Baker 1932-4-26 5969 Napa Pope Creek along road to Pope Valley. Comment
  UCD170359  Allium serra Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 858 Napa Knoxville Wildlife Area, north of Nevada Creek. 480 Comment
  UC23568  Allophyllum divaricatum Willis L. Jepson 1893-1 Napa Angwin's meadows Howell Mt.; Napa R. Basin, , Angwin's meadows 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
  UCD167205  Allophyllum divaricatum Jake Ruygt 2005-6-1 4883 Napa Knoxville Wildlife Area; spur ridge of Blue Ridge, 1 mile N of Mays Flat. 420 Comment
  SEINET2444438  Allophyllum gilioides K. Walker 2006-5-13 3 Napa Quail Ridge Reserve, West Ashley Rd. 0.5 mi NW of Laurel Creek. 208 Comment
  RSA262367  Allotropa virgata Gilbert Muth 1971-5-20 1413 Napa 0.5 mile north on Ink Grade Road from Howell Mountain Road, Angwin. 518 Comment
  CAS-BOT-BC170677  Alnus rhombifolia Peter H. Raven 1964-5-9 19053 Napa along dirt road 2 miles W of Aetna Springs Comment
  JEPS129105  Alopecurus pratensis Jake Ruygt 2016-4-12 6186 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  CAS-BOT-BC137958  Alopecurus saccatus Peter H. Raven 1953-5-2 5365 Napa Valley floor east of Yountville. 76 Comment
  JEPS123019  Alopecurus saccatus Jake Ruygt 1996-5-13 3664 Napa 0.9 mile south of Pope Canyon Road on Hardin Road. Quad: Saint Helena. Comment
  JEPS129122  Alopecurus saccatus Jake Ruygt 2015-5-2 6086 f Napa West of Buck Mountain near Nevada Creek. Knoxville 7.5' Quad. Comment
  JEPS68435  Alopecurus saccatus W. L. Jepson 1921-5-6 9181 Napa Calistoga 109 Comment
  SD211531  Amaranthus californicus Barbara Ertter, Elizabeth Neese 1988-10-2 7969 Napa Lake Hennessey circa 15 airmiles North-northwest of Napa on Conn Creek in North Coast Ranges; East of boat-launching ramp on Southeast edge 91 Comment
  JEPS54322  Amaranthus retroflexus W. L. Jepson 1894-11-5 Napa St. Helena Comment
  UCD148100  Ambrosia psilostachya Jake Ruygt 1987-7-29 2091 Napa City of Napa: bank of Napa River just south of Third Street. 2 Comment
  CHSC79352  Amelanchier alnifolia Beecher Crampton 1966-5-10 7716 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  CAS-BOT-BC136747  Amelanchier utahensis L. R. Abrams 1928-5-4 12281 Napa Mt. St. Helena toll house Comment
  CAS-BOT-BC136749  Amelanchier utahensis H. E. McMinn 1922-6-8 172 Napa Summit of Howell Mt. Comment
  RSA26269  Amelanchier utahensis J. T. Howell 1940-5-19 15446 Napa Upper St. Helena Creek. Comment
  UCD144337  Amelanchier utahensis George F. Hrusa 1989-4-24 5931 Napa edge of Pope Creek where Pope Creek Road cross creek. 175 Comment
  JEPS8339  Ammi majus Rimo Bacigalupi with G. T. Robbins and C. L. Custer 1954-8-9 4752 Napa just n. of city limits Napa (ca. 1/4 mi. w. of northern end of Jefferson St.) 18 Comment
  JEPS107261  Amorpha californica var. napensis Jake Ruygt 1976-5-18 91 Napa 5.2 miles west of Madronna St. on Spring Mountain Rd. 615 Comment
Read comments
Aug 15 2010
  RSA92931  Amorpha californica var. napensis P. H. Raven 1951-8-19 s.n. Napa Near Lokoya. 488 Comment
  UCD18151  Amsinckia intermedia Jean Shepard; with Plant Biology 102 class 2000-4-29 196 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  JEPS20860  Amsinckia intermedia W. L. Jepson 1915-4-23 6253 Napa Coun Valley; Napa Range, Coun Valley Comment
  JEPS61120  Amsinckia intermedia Willis L. Jepson 1893-1 21081 Napa Angivins Meadows; Napa River Basin, Howell Mountain, Napa Range Comment
  JEPS126131  Amsinckia lunaris Jake Ruygt 2010-3-6 5479 Napa Silverado Trail at Zinfandel Lane, SW corner of intersection. Rutherford 7.5' Qua. Comment
  UC1111642  Amsinckia lunaris Francia Chisaki 1953-5-8 566 Napa 3.1 mi s of Napa-Lake County line (on Pope Valley Road) Comment
  UCD170834  Anagallis arvensis 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
  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
  SEINET200985 Image available Ancistrocarphus filagineus J. P. Tracy 1902-5-17 1513 Napa Howell Mtn; head of Moore's Creek 3-4 mi E of Angwin's Comment
  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
  RSA393785  Ancistrocarphus filagineus J. T. Howell 1931-4-3 6129 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range. Comment
  UCD69016  Ancistrocarphus filagineus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UC619409  Angelica californica Wilhelm N. Suksdorf 1913-7-26 683 Napa e of Napa Comment
  CDA13136  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 1 of 3 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
  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
  RSA0000647  Angelica tomentosa var. elata W. L. Jepson 1895-8-30 13484 Napa Upper Napa Valley. Napa River Basin. Near Calistoga. Comment
  CAS-BOT-BC273161  Anisocarpus madioides Carl B. Wolf 1928-5-3 1807 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  JEPS104504  Anthemis cotula Jake Ruygt 1978-6-18 362 Napa In field northeast of Maxwell Bridge, Imola Ave. 3 Comment
  SEINET3918488  Anthoxanthum odoratum Beecher Crampton 1953-6-2 1434 Napa 8 miles south of Middletown, small meadow along Highway 53.; 0 Comment
  JEPS14069  Anthriscus caucalis W. L. Jepson 1936-6-2 17603 Napa e of St. Helena (thickets on bank of Napa River, near bridge on road to St. Helena Sanitarium); Napa River Comment
  RSA82871  Anthriscus caucalis J. M. Tucker 1953-5-3 2643 Napa East side of Napa Valley, ca. 2 miles north of St. Helena Comment
  UCD127276  Anthriscus caucalis J. M. Tucker 1953-5-3 2643 Napa east side of Napa Valley, around 2 miles north of St. Helena. Comment
  UCD33685  Antirrhinum vexillocalyculatum subsp. breweri Beecher Crampton 1971-10-26 8767 Napa 4.7 miles east of Conn Reservoir Dam, State Hwy. 128. Comment
  UC178334  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Katharine Brandegee 1910-7-26 Napa Aetna Springs Comment
  JEPS5341  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum W. L. Jepson Jul 1892 21312 Napa Napa Valley Comment
  JEPS5286  Antirrhinum virga Willis L. Jepson 1893-6-26 21298 Napa Howell Mt. Napa River Basin (above Toland House) Comment
  UC483303  Aphanes macrosepala Ira L. Wiggins 1932-3-12 5763 Napa between Franz Valley and Calistoga Comment
  UCD14925  Apiastrum angustifolium David Rhode 1977-4-16 17 Napa along the Monticello Dam Road. 259 Comment
  JEPS19477 Image available Apocynum androsaemifolium Willis L. Jepson 1893-6-26 14622 Napa e St. Helena (valley floor); Napa River Basin; valley floor, E of St. Helena, Napa River Basin Comment
  JEPS104488  Apocynum cannabinum Jake Ruygt 1991-6-22 2731 Napa 4.3 miles north of stone bridge over Eti cuera Cr.;Berry-Knox. 233 Comment
  UCD95543  Aquilegia formosa R. H. Miller 1949-5-8 46 Napa Beside Highway 37, about 10 miles northeast of Napa. Comment
  UCD21551  Arabis modesta A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 5 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek. 313 Comment
  LA41461  Arbutus menziesii J. A. Ewan; 1933-9-17 8003 Napa Mt. Saint Helena, near Stevenson monument Comment
  JEPS38634  Arctostaphylos canescens Willis L. Jepson 1893-5-4 14728 Napa near Signal Station; Napa River Basin, Mt. St. Helena Comment
  CAS-BOT-BC23951  Arctostaphylos canescens subsp. canescens C. B. Wolf 1928-2-25 1503 Napa 1 mi. north of summit of Mt. St. Helena Comment
  CAS-BOT-BC23995  Arctostaphylos canescens subsp. canescens Katharine Brandegee May 18. s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC24000  Arctostaphylos canescens subsp. canescens Alice Eastwood 1915-6-7 4697 Napa Mt. St. Helena Comment
  CAS-BOT-BC24019  Arctostaphylos canescens subsp. canescens Lester Rowntree 1937-7-9 s.n. Napa Monticello Road Comment
  RSA15668  Arctostaphylos canescens subsp. canescens C. B. Wolf 1928-2-28 1503 Napa 1 mi n of summit Mt. St. Helena grade. Comment
  RSA15669  Arctostaphylos canescens subsp. canescens C. B. Wolf 1928-2-25 1502 Napa 1 mile N of summit Mt. St. Helena grade. Comment
  RSA182020  Arctostaphylos canescens subsp. canescens W. L. Jepson 1893-4-25 14698 Napa Aux's Knob, west of St. Helena. Comment
  SBBG5402  Arctostaphylos canescens subsp. canescens H. and M. Dearing 1939-5-9 3292 Napa Mt Saint Helena Comment
  UC763159  Arctostaphylos canescens subsp. canescens R. F. Hoover 1941-4-27 4947 Napa e side Mt. St. Helena Comment
  CAS-BOT-BC23623  Arctostaphylos crustacea Lewis S. Rose 1937-4-4 37017 Napa Wooden Valley Grade, 8 mi. NE of Napa 274 Comment
  UCD73455  Arctostaphylos glandulosa Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC23140  Arctostaphylos glandulosa subsp. glandulosa L. R. Abrams 1928-5-4 12263 Napa Mt. St. Helena trail Comment
  CAS-BOT-BC23144  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1922-3-26 11116 Napa Mt. St. Helena Comment
  UCD73420  Arctostaphylos glandulosa var. glandulosa Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCSB22860  Arctostaphylos manzanita McMinn, H. 1936-4-4 Napa Howell Mt. Comment
  RSA7411  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena Comment
  CAS-BOT-BC38728  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-7-13 5357 Napa Chaparral on the edge of the Crater Country Comment
  CAS-BOT-BC38729  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-4-2 10952 Napa Serpentine ridge, 2 miles e. of Occidental Comment
  CAS-BOT-BC38735  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-5-1 6862 Napa Mt. St. Helena Comment
  CAS-BOT-BC38765  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4556 Napa East of the Toll House near Mt. St. Helena Comment
  JEPS120406  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-23 5113 Napa Mt. Veeder Road, 0.2 mi. south of Lokoya Road. Comment
  JEPS38705  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1918-6-24 7669 Napa halfway down valley floor to Toll House; Mt. St. Helena Comment
  RSA15676  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1492 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  RSA60842  Arctostaphylos manzanita subsp. manzanita Frank W. Gould 1939-4-6 595 Napa 5 miles east of Napa. 229 Comment
  SBBG19111  Arctostaphylos manzanita subsp. manzanita E. R. Blakley 1956-12-23 2035 Napa 5 mi S of Pope Valley 243 Comment
  UC2026414  Arctostaphylos manzanita subsp. manzanita Louis C. Wheeler 1952-8-30 6877 Napa MANGANESE RIDGE: Moore Creek, Howell Mountain. Comment
  UCR228653  Arctostaphylos manzanita subsp. manzanita Ellen Dean, Stephen Rae 2008-5-21 4983 Napa Hills to the west of Hwy 29. Private property accessed by Diamond Mountain Road 274 Comment
  CAS-BOT-BC43858  Arctostaphylos stanfordiana Alice Eastwood 1918-5-1 6861 Napa Mt. St. Helena Comment
  CAS-BOT-BC43859  Arctostaphylos stanfordiana Peter H. Raven 1951-8-21 3875 Napa Mt. Veeder 792 Comment
  CAS-BOT-BC43861  Arctostaphylos stanfordiana Mrs. Merrel Ackley 1962-2-1 s.n. Napa Near St. Helena Comment
  UC1198657  Arctostaphylos stanfordiana Joseph P. Tracy 1942-2-23 17057 Napa Wooden Valley Rd 4 mi ne Napa City (along creek); Sarco Creek 91 Comment
  UC1303138  Arctostaphylos stanfordiana Ira L. Wiggins 1932-3-12 5767 Napa hillside between Calistoga and Franz Valley Comment
  UC421586  Arctostaphylos stanfordiana John Thomas Howell 1926-3-21 1704 Napa along trail to summit Mt. St. Helena Comment
  UC571226  Arctostaphylos stanfordiana H. L. Mason 1926-1-2 2611 Napa Toll House Canyon Mount St. Helena Comment
  UC575711  Arctostaphylos stanfordiana John Thomas Howell and Alice Eastwood 1935-2-11 1937 Napa 5 mi e Napa; Wooden Valley Grade Comment
  UC924271  Arctostaphylos stanfordiana H. S. Reed 1939-4-16 229 Napa Napa Hills Comment
  UCD37946  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 0.5 mile W of Aetna Springs. Comment
  SEINET11977845  Arctostaphylos stanfordiana A. E. Wieslander 1936-1 713 Napa Mount Saint Helena 610 Comment
  SEINET8729965 Image available Arctostaphylos stanfordiana Lewis S. Rose 1937-1 37019 Napa Wooden Valley Grade, 8 mi. NE. of Napa. 274 Comment
  JEPS106413  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 1990-3-3 2440 Napa Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  POM203160  Arctostaphylos stanfordiana subsp. stanfordiana Alice Eastwood 1922-5-5 11305 Napa Mount St. Helena Comment
  POM367455  Arctostaphylos stanfordiana subsp. stanfordiana H. de Forest 1930-3-23 14618 Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  RSA178671  Arctostaphylos stanfordiana subsp. stanfordiana I. L. Wiggins 1932-3-12 5767 Napa Hillside between Calistoga and Franz Valley. Comment
  SEINET11984813  Arctostaphylos viscida Unknown 1966-1 681 Napa property W of Macdonald Ranch, Las Posadas State Forest Comment
  JEPS106408  Arctostaphylos viscida subsp. pulchella Jake Ruygt 1996-2-24 3518 Napa NE of Big Basin, along Pocock Creek Rd. 426 Comment
  POM202664  Arctostaphylos viscida subsp. pulchella Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena Comment
  UC763112  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1941-4-26 4915 Napa between Samuel Sprs. and Walter Sprs.; Pope Creek canyon Comment
  SBBG19109  Arctostaphylos viscida subsp. viscida E. R. Blakley 1956-12-23 2036 Napa 6 mi S of Pope Valley on the lake rd 335 Comment
  POM279325  Aristolochia californica Annetta Carter 1936-3-15 1040 Napa Conn Creek Canyon, 3.4 miles out of Rutherford on road to Pop Valley, Napa County, Vine trailing over shrub on creek bank Comment
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Sep 12 2013
  RSA13738  Aristolochia californica Annetta Carter 1936-3-15 1040 Napa Conn Creek Canyon, 3.4 miles out of Rutherford on road to Pop Valley, Napa County, Vine trailing over shrub on creek bank Comment
Read comments
Sep 12 2013
  UC1198120  Aristolochia californica Joseph P. Tracy 1933-6-2 12492 Napa along Napa R. e. of St. Helena 76 Comment
  UC504869  Aristolochia californica R. M. Holman 1933-4-12 Napa near Mt. Veeder Comment
  UC55942  Aristolochia californica J. P. Tracy 1902-5-20 1561 Napa 3 - 4 mi. e. Angwin's (1 mi. from St. Helena, along Howell Mt. rd., head of Moore's Creek); Howell Mt., Moore's Creek 152 Comment
  JEPS104525  Arnica discoidea Jake Ruygt 1978-5-7 293 Napa .5 miles south of Monticello Rd. on road to Wild Horse Valley 414 Comment
  UCD169615  Asclepias cordifolia 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
  UCD121348  Asclepias fascicularis D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-25 s.n. Napa Berryessa-Knoxville Road. UC MacLaughlin Nature Reserve. 650 Comment
  UCD170282  Asclepias fascicularis Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 822 Napa Knoxville Wildlife Area, north of Nevada Creek. 496 Comment
  JEPS103978  Aspidotis californica Jake Ruygt 1990-12-15 2615 Napa Monticello Rd. at site of Jarvis Winery cave 341 Comment
  CAS-BOT-BC68859  Aspidotis californica Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5339 Napa N. side Pope Creek, Samuels Springs to Walters Springs 243 Comment
  UCD163270  Aspidotis densa D. Slakey; CNPS Volunteers 2015-4-25 115 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  POM41975  Aster subspicatus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  RSA756247  Aster subulatus var. parviflorus Barbara Ertter, Elizabeth Neese 1988-10-2 7950 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
  CAS-BOT-BC140643  Asteraceae John Thomas Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St. Helena Comment
  CAS-BOT-BC180454  Astragalus breweri G. L. Stebbins 1972-4-26 8082 Napa Chiles Valley road, about 1 mile northwest of State Highway no. 128 350 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
  UCD38988  Astragalus breweri Beecher Crampton 1961-4-6 5854 Napa 1 mile north of Moskowite Corners, along State Hwy. 128. Comment
  UCD75830  Astragalus breweri Jake Ruygt 2005-5-16 4853 Napa Tubbs Lane at Myrtledale Rd., Calistoga; NE parcel. 122 Comment
  UCD75831  Astragalus breweri Jake Ruygt 1979-4-6 488 Napa 2.2 miles east of Butts Canyon Rd. on Snell Valley Rd. 195 Comment
  UCR146403  Astragalus breweri Beecher Crampton 1961-4-6 5854 Napa Inner North Coast Ranges, 1 mile north of Moskowite Corners, along State Hwy. 128 244 Comment
  JEPS107255  Astragalus clevelandii Jake Ruygt 1998-7-6 4077 b Napa Butts Canyon about 0.3 mile north of Snell Valley Road. 377 Comment
  UCD170571  Astragalus clevelandii Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 813 Napa Knoxville Wildlife Area, along Nevada Creek. 471 Comment
  CAS-BOT-BC178291  Astragalus gambelianus John Thomas Howell 1933-5-21 11310 Napa Hills east of Napa. Comment
  CDA11592  Astragalus gambelianus G. F. Hrusa, S. Larson 1995-4-1 12058 Napa North Coast Biodiversity Arena; Approx. 1 mi. below bridge over Pope Creek, on Pope Canyon Rd. Comment
  JEPS54653  Astragalus gambelianus Edw. L. Greene 1892-1 Napa Mt. St. Helena Comment
  JEPS85041  Astragalus gambelianus Larry Heckard and Mary Ashton 1969-5-3 2193 Napa ca 7 mi ne Napa (Mead Ranch off the Atlas Peak Rd.); ne of Napa 457 Comment
  UCD164869  Astragalus rattanii var. jepsonianus Jake Ruygt 2012-11-3 5888 Napa Barton Hill, northwest shore of Lake Berryessa. 128 Comment
  JEPS103982  Athyrium filix-femina var. cyclosorum Jake Ruygt 1984-3-31 1522 Napa Devil's Canyon 542 Comment
  CAS-BOT-BC66083  Athyrium filix-femina var. cyclosorum Evelina Cannon 1901-7-13 s.n. Napa Johannisberg, on side of Mt. Veeder 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
  UCD19951  Athysanus pusillus E. A. Dean; Virginia Boucher 2002-2-28 893 Napa Quail Ridge Reserve. Along West Rd. 0.4 airline miles NW of junction of West Rd. and Decker Canyon Rd. 274 Comment
  UCR23605  Athysanus pusillus John C. Roos 1939-4-18 277 Napa North Coast Range, Pacific Union College; Angwin 549 Comment
  HSC6515  Athysanus pusillus C. B. Wolf 1928-5-3 1831 Napa At the summit of the Mt. St. Helena Grade, Mt. St. Helena Comment
  CAS-BOT-BC16530  Barbarea orthoceras Peter H. Raven 1952-5-26 4053 Napa Howell Mountain (east side). 304 Comment
  CDA11618  Barbarea orthoceras G. F. Hrusa, G. L. Stebbins 1994-3-11 11601 Napa North Coast Biodiversity Arena; Ink Grade, approx. 2 m. NE of Angwin. 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
  UC1177880  Bellardia trixago Francia Chisaki 1957-5-30 967 Napa 0.2 mi s Highway 37 junction with Highway 28 (across from Old Raney Ranch) Comment
  JEPS106877  Berberis aquifolium var. dictyota Jake Ruygt 1981-7-23 1081 Napa north of Berryessa Peak, Blue Ridge 731 Comment
  UCD164734  Berberis nervosa Jake Ruygt 2014-6-23 6016 Napa Sutro Ranch, Atlas Peak, Fir Canyon. 405 Comment
  UC841023  Bolboschoenus robustus Milo S. Baker 1932-10-8 6039 Napa bank of Napa River at Cuttings Wharf; bank of Napa River at Cuttings Wharf Comment
  JEPS110568  Boschniakia strobilacea Jake Ruygt 1998-5-30 4009 Napa Mt. St. Helena, on RLS cabin trail. 792 Comment
  UCD81828  Brachypodium distachyon Ellen Dean 2009-4-24 5455 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 274 Comment
  JEPS53245  Brassica nigra W. L. Jepson 1894-11-1 59 E Napa Napa, fields to the south Napa Comment
  RSA0125931  Brassicaceae Keith E. Hoffmaster 1946-3-23 1117 Napa Napa range, along Napa-Monticello road Comment
  CAS-BOT-BC145365  Briza minor Peter H. Raven 1953-5-2 5368 Napa Valley floor east of Yountville. 76 Comment
  HSC9100  Briza minor C. B. Wolf 1928-5-3 1803 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  UC187258  Briza minor Louise Martin 1902-5-15 1445 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 396 Comment
  UCD118547  Briza minor Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat. 387 Comment
  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
  UC1300928  Brodiaea elegans subsp. elegans Helen K. Sharsmith 1962-6-3 5110 Napa Napa-Soda Springs road 152 Comment
  CAS-BOT-BC484194  Brodiaea elegans var. elegans James L. Reveal 1987-6-7 6407 Napa Along California Highway 128 near its intersection with the Berryessa-Knoxville Road, about 5 miles west-northwest of Moskowite Corner, about 13.5 airline miles north of Napa 243 Comment
  CAS-BOT-BC484198  Brodiaea elegans var. elegans Peter H. Raven 1952-5-31 4124 Napa Hills s.w. of Rector Canyon` 152 Comment
  UCD77197  Brodiaea leptandra Robert E. Preston 2004-6-26 2265 Napa Angwin, along Las Posadas Rd, ca. 1.1 mi from Howell Mountain Rd 512 Comment
  UCD36937  Bromus carinatus Beecher Crampton 1956-5-25 3457 Napa Vaca Mountains, head of Markley Canyon. Comment
  JEPS123013  Bromus carinatus var. carinatus Jake Ruygt 1990-5-16 2549 Napa Calistoga Campground, Lommel Road. Quad: Calistoga. Comment
  JEPS76092  Bromus carinatus var. carinatus W. L. Jepson 1938-5-24 18849 Napa Plateau n of Four Corners (Napa Range, Howell Mountain); Napa Range, Howell Mountain 762 Comment
  CHSC25161  Bromus diandrus J. E. Beitler 1970-4-19 37 Napa Around York Creek bridge W. side of Spring Mountain Road, ca. 1.7 mi. N.W. of junction of Spring Mountain Road and York Lane. St. Helena. Comment
  HSC26182  Bromus hordeaceus J. P. Smith, J. O. Sawyer 1970-5-17 3777 Napa 3 mi. S of Pope Valley Comment
  UC60203  Bromus hordeaceus Willis L. Jepson 1893-1 Napa Napa River Basin, Napa Valley Napa Valley; Napa River Basin, Napa Valley Comment
  UCD58677  Bromus hordeaceus Michael Fleschner 1965-5-13 13 14 Napa In Cedar Valley, north of Lake Berryessa. Off the road from Knoxville to Lower Lake. Comment
  UCR49730  Bromus hordeaceus J. Nevin 1987-5-22 36 Napa Napa Valley, east end of Browns Valley, 1 mi on Buhman Avenue from Browns Valley Road 61 Comment
  JEPS123008  Bromus laevipes Jake Ruygt 1982-5-19 1279 Napa Butts Canyon Road at Snell Valley Road. Quad: Aetna Springs. Comment
  JEPS82331  Bromus laevipes Roger Raiche 1982-1-16 20027 Napa n of Napa (along Route 121 (3.5 mi w of intersection with Route 128)); Route 121 Comment
  SBBG20183  Bromus laevipes M. S. Walters 1960-6-18 Napa St Hwy 128 ca. 1 mi W of Conn Lake picnic grounds (ca. 4 mi E of Rutherford) Comment
  UCD32919  Bromus laevipes Beecher Crampton 1965-6-17 7409 Napa Solano-Napa Counties, Vaca mountains, summit of Mt. Vaca. 859 Comment
  UCD58612  Bromus laevipes Jack A. Thiel 1955-5-21 s.n. Napa About 10 miles south of Knoxville. Monticello-Lower lake Road. Comment
  UCD58877  Bromus laevipes Beecher Crampton 1956-5-25 3456 Napa Head of Markley Canyon. Vaca Mtns. Comment
  UCD58905  Bromus laevipes P. B. Kennedy 1918-5-28 s.n. Napa Calistoga. Petrified Forest Road. Comment
  UCD72384  Bromus laevipes G. F. Hrusa; Marcel Rejmanek 1993-5-15 10976 Napa Quail Ridge Reserve--Univ. of California. 225 Comment
  UCD58972  Bromus madritensis A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3545 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  SEINET10523828  Bromus rigidus Ana Maria Planchuelo 1980-1 Planchuelo 406 Napa Rte 128, between winter and rutherford. Comment
  UCD18056  Bromus rubens Ellen Dean; with Plant Biology 102 class 2000-4-22 610 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
  CAS-BOT-BC161637  Bromus sterilis G. L. Stebbins, Jr. 1953-4-19 5300 Napa Suisun Valley to Wooden Valley. 121 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
  UCD73502  Bromus sterilis Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS123000  Bromus tectorum Jake Ruygt 1992-4-2 2875 Napa Jonson's Meadow, Wild Horse Valley Ranch. Quad: Mount George. Comment
  JEPS112602  Calandrinia breweri Jake Ruygt 1997-3-23 3815 Napa South of Bismark Knob on ridge. 612 Comment
  JEPS112604  Calandrinia breweri Jake Ruygt 1982-4-4 1167 Napa 3.2 miles north of Loma Vista Dr. on Soda Canyon Rd. 335 Comment
  JEPS128910  Calandrinia ciliata Jake Ruygt 1994-3-7 2996 Napa Lewelling Ranch, west end of Lewelling Lane, Saint Helena. Rutherford 7.5' Quad. Comment
  UCD19941  Calandrinia ciliata E. A. Dean; Virginia Boucher 2002-2-28 899 Napa Quail Ridge Reserve. Along East Rd., 0.4 airline miles N of junction with Hwy 128. 335 Comment
  CAS-BOT-BC438470  Calandrinia ciliata David D. Keck 1931-4-2 1055 Napa Wooden Valley Grade, west side of Napa Range, 8 miles NE. of Napa 170 Comment
  CAS-BOT-BC438473  Calandrinia ciliata Peter H. Raven 1954-2-22 6408 Napa Orchard at west end of Saint Helena 60 Comment
  SEINET5726743 Image available Calandrinia ciliata Kim Page 1965-1 5 Napa Dollarhide Road, ca. 3 miles east from Pope Valley.; Pope Valley Comment
  UCD159531  Calendula officinalis D. S. Park 2011-4-11 279 Napa Linda Vista Ave. and Ceriani Ct. Weed in lawn. 33 Comment
  JEPS120390  Callitriche heterophylla var. bolanderi Jake Ruygt 1993-3-27 3174 Napa Alston Park, Dry Creek Road, Napa Comment
  JEPS121549  Calochortus amabilis Adam C. Schneider with Dick O'Donnell 2013-5-26 199 Napa Southwest side of Chiles Pope Valley Rd., 100 yards southwest of farmhouse and other buildings. Comment
  JEPS61629  Calochortus amabilis W. L. Jepson 1943-5-15 20775 Napa Knoxville Ridge Comment
  RSA3285  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
  UCD139478  Calochortus amabilis H. Popenoe 1949-5-1 19 Napa one mile from Pope Valley on road to St. Helena. Comment
  UCD18163  Calochortus amabilis Eva Bayon; with PLB 102 class 2000-4-29 s.n. Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD67455  Calochortus amabilis D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. Capell Creek. 250 Comment
  UCD70478  Calochortus amabilis P. J. Plummer 1995-5-27 s.n. Napa Napa County W of city of Winters, off hwy 128. Shaded woodland. Herbs; flowers nodding and bright yellow. 335 Comment
Read comments
May 20 2010
  CAS-BOT-BC488485  Calochortus amabilis David D. Keck 1933-5-28 2330 Napa Howell Mountian, north side, 1 mile above Pope Valley, P.O. Comment
  CAS-BOT-BC488495  Calochortus amabilis John Thomas Howell 1931-4-2 6076 Napa Wooden Valley Grade 5 miles east of Napa. Comment
  JEPS61621  Calochortus amabilis W. L. Jepson 1938-5-18 18796 Napa slope above St. Helena Sanitarium; Howell Mt. Comment
  RSA41934  Calochortus amabilis Ella Dales Cantelow 1939-4-8 3961 Napa Lower Lake Road 10 3/10 mi W of jct Pope Creek Rd. Comment
  UCD139473  Calochortus amabilis Alan P. Godlewski 1974-5-3 21 Napa West of Lake Berryessa. 100 yards from Highway 128. Comment
  JEPS128392  Calochortus luteus Adam C. Schneider with Dick O'Donnell 2013-5-28 244 Napa Northern edge of Cedar Roughs Wilderness Area, south of Pope Canyon Rd, 2.5 miles west of junction with Berryessa Knoxville Road. Comment
  JEPS128394  Calochortus luteus Adam C. Schneider with Dick O'Donnell 2013-5-28 244 Napa Northern edge of Cedar Roughs Wilderness Area, south of Pope Canyon Rd, 2.5 miles west of junction with Berryessa Knoxville Road Comment
  CAS-BOT-BC492544  Calochortus luteus Betty H. Johnson 1958-6-8 610 Napa Near St Helena River, 6.4 mi. S.W. of Middleton Comment
  UCD166649  Calochortus luteus Jake Ruygt 1982-7-6 1366 Napa north of American Canyon (Cantoni Canyon). 259 Comment
  UCD139578  Calochortus superbus L. P. Thibault 1995-6-2 64 Napa East side of Lower Chiles Valley Road, 0.5 mile northwest of Highway 128. 300 Comment
  CAS-BOT-BC132618  Calochortus uniflorus Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  POM169458  Calochortus uniflorus C. F. Baker 1903-4-19 1979 Napa Calistoga. Comment
  UC143576  Calochortus uniflorus C. F. Baker 1903-4-19 1979 Napa Calistoga Comment
  JEPS122766  Calochortus venustus Jake Ruygt 1999-7-3 4197 Napa Newell Canyon. Quad: Cordelia. Comment
Read comments
Dec 13 2016
  UC1876264  Calycadenia fremontii Gerald D. Carr 1972-9-14 734 Napa 1.5 mi E of Howell Mt. Rd. on Conn Valley Rd. 121 Comment
  CAS-BOT-BC270611  Calycadenia multiglandulosa G. D. Carr 1971-6-17 566 Napa Junction of Howell Mountain, Deer Park, White Cottage Roads (Four Corners), ca. 1.5 miles SW of Angwin 424 Comment
  JEPS38548  Calycadenia multiglandulosa W. L. Jepson 1944-7-30 27542 Napa flat below Four Corners, Howell Mt., Napa Valley Napa Valley, Howell Mt. Comment
  UC194184  Calycadenia multiglandulosa H. M. Hall 1915-8-12 10092 Napa Howell Mountain, near summit, along n road to Woodworth's 518 Comment
  POM268784  Calycadenia multiglandulosa subsp. cephalotes H. P. Chandler 1907-7-19 7603 Napa Howell Mt. Comment
  UCD129903  Calycadenia pauciflora Gerald D. Carr 1971-9-20 666 Napa 4.2 miles north of Spanish Flat of Knoxville-Berryessa Road. 152 Comment
  CAS-BOT-BC270820  Calycadenia pauciflora Gerald D. Carr 1971-10-23 681 Napa 0.25 mile W of Berryessa - Knoxville Road on Highway 128 Comment
  CAS-BOT-BC270823  Calycadenia pauciflora Gerald D. Carr 1971-9-20 672 ? Napa 0.8 mile NW of Knoxville on Morgan Valley Road 457 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
  CAS-BOT-BC270838  Calycadenia pauciflora H. M. Hall 1923-10-12 11926 Napa 16 miles SE of Lower Lake, northern part of county Comment
  JEPS38535  Calycadenia pauciflora W. L. Jepson 1930-10-19 15700 Napa Butts Canyon , NE Napa Co. Comment
  RSA255580  Calycadenia pauciflora Gerald D. Carr 1971-9-20 667 Napa 1.8 miles SE of Lake Co. line on Morgan Valley Road 610 Comment
  UCD129845  Calycadenia pauciflora Gerald D. Carr 1972-8-21 728 Napa 2.4 miles east of Butts Canyon Road on Snell Valley Road, serpentine. Comment
  UCD161581  Calycadenia pauciflora Jake Ruygt 2007-6-21 5226 Napa Las Posadas State Forest, north of Recreation Flat. Comment
  UC89042  Calycadenia truncata K. Brandegee 1888-9-1 Napa Howell Mountain Comment
  UC1925922  Calycadenia truncata Ethel Crum October 1930 908 Napa Yountville 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-BC271566  Calycadenia truncata subsp. truncata John Thomas Howell 1930-7-13 5344 Napa Lower slopes of Mt. St. Helena Comment
  CAS-BOT-BC271574  Calycadenia truncata subsp. truncata Brandegee No date on label. s.n. Napa Howell Mt. Comment
  CAS-BOT-BC271560  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  CAS-BOT-BC271599  Calycadenia truncata subsp. truncata W. M. Heusi 1930-10-18 107 Napa From about one mile north of Yountville along highway to S. Helena on hill by Rockvilla service station Comment
  CAS-BOT-BC90956  Calycanthus occidentalis W. L. Jepson 1891-7-7 s.n. Napa In the Vaca Mountains. Comment
  CDA29117  Calycanthus occidentalis D. G. Kelch, Daniel Weinstein 2009-6-21 9 .443 Napa Near Skyline Park. Comment
  RSA1008  Calycanthus occidentalis J. T. Howell 1927-8-23 680 Napa Sage Canon, Napa Range. 91 Comment
  UCR74386  Calycanthus occidentalis G. Fred Hrusa 1988-5-12 5601 Napa North Coast Range, Pope Creek, c. 2 mi east of jct of Pope Valley Rd. and Chiles Valley Rd. 244 Comment
  HSC74291  Calyptridium monospermum D. Goforth 1980-4-11 427 Napa Near Cedar Creek 579 Comment
  RSA710254  Calystegia collina R. K. Brummitt, Adrian Wolf, R. W. Howe 1998-5-15 19851 Napa Calistoga, Butts Canyon 0.5 km from Snell Valley turn-off 350 Comment
  CAS-BOT-BC221553  Calystegia collina subsp. collina R. K. Brummitt; A. Wolf; R. W. Howe 1998-5-15 19849 Napa 17 km NE of Calistoga, Butts Canyon 2 km S of Snell Valley turn-off 400 Comment
  UCD161311  Calystegia collina subsp. oxyphylla Joe Callizo 1998-6-18 s.n. Napa Livermore Road. (Coordinates estimated by label maker at UC Davis). 524 Comment
  SD225762  Calystegia occidentalis subsp. occidentalis R. K. Brummitt 1997-6-2 19625 Napa NE of Lucerne, 15 km along Bartlett Springs Road from Clear Lake 1000 Comment
  JEPS31634  Calystegia purpurata W. L. Jepson 1938-5-24 18854 Napa betw. Sanitarium and Four Corners (Howell Mtn.); , betw. Sanitarium and Four Corners Comment
  CAS-BOT-BC224626  Calystegia purpurata subsp. purpurata Saichi Kawahara 1968-4-20 333 Napa Oakville Grade, 4 miles west of Oakville 228 Comment
  UCD148997  Calystegia purpurata subsp. purpurata D. Woods; V. Popescu 2010-6-28 s.n. Napa along Devilshead-Knoxville Road. 450 Comment
  JEPS31722  Camissonia contorta Willis L. Jepson 1893-6-26 14478 Napa Howell Mt. Napa River Basin Comment
  UC20550  Camissonia contorta W. L. Jepson 1893-5-1 Napa Calistoga Comment
  HSC43993  Camissonia hirtella Robert M. Specht 1977-4-15 668 Napa Near edge of Rd. to Adams Creek 409 Comment
  POM66475  Camissonia ovata Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SEINET10463865  Campanula angustiflora Lincoln Constance 1946-5-18 Constance 3045 Napa Southeast slope of Mount St. Hellena, near the old inn Comment
  UCD160651  Campanula griffinii Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8737 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  CAS-BOT-BC37587  Cardamine californica Willis Linn Jepson 1896-2-22 s.n. Napa Napa River Basin. Hills of St. Helena. 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
  UCD19950  Cardamine oligosperma E. A. Dean; Virginia Boucher 2002-2-28 891 Napa Quail Ridge Reserve. Along West Rd. 0.4 airline miles NW of junction of West Rd. and Decker Canyon Rd. 274 Comment
  JEPS53322  Cardaria draba Willis L. Jepson 13398 Napa Napa Valley, Oak Knoll, between Napa and Yountville Oak Knoll; Napa River Basin, Napa Valley, Oak Knoll Comment
  SEINET13331011 Image available Carduus nutans T. C. Fuller 1958-5-1 s.n. Napa Calistoga 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
  CAS-BOT-BC281734  Carduus pycnocephalus Thomas H. Kearney 1948-5-22 s.n. Napa Roadside near Napa Comment
  CDA11435  Carex amplifolia G. F. Hrusa, M. Tu 1995-5-6 12158 Napa North Coast Biodiversity Arena; In wet creek bed under shade of redwoods along Moores Creek in Las Posadas State Forest. Dense rhizomatous colony. Comment
  JEPS121335  Carex amplifolia Jake Ruygt 1992-5-2 2920 Napa Scott's Flat, Aetna Springs Rd. Comment
  UC1103107  Carex bolanderi J. P. Tracy 1902-5-21 1597 Napa Howell Mountain, head of Moore's Creek, 3-4 mi E of Angwin's 335 Comment
  UCD140261  Carex densa K. Esau 1935-5-5 s.n. Napa near Petrified Forest, Calistoga. Comment
  UCD167142  Carex densa Jake Ruygt 2015-5-2 6087 Napa West of Buck Mountain near Nevada. 599 Comment
  CAS-BOT-BC18904  Carex densa Wilhelm Nikolaus Suksdorf 1913-7-28 698 Napa North of Napa. Comment
  UCD161741  Carex densa Jake Ruygt 1993-4-18 3207 -c Napa north of American Canyon Creek, south of American Canyon sanitation. 2 Comment
  UCD161742  Carex densa Jake Ruygt 1993-4-20 3216 Napa Yountville Ecological Reserve, Yountville Cross Road. 28 Comment
  JEPS121349  Carex dudleyi Jake Ruygt 1996-4-20 3619 c Napa Jameson Canyon Vineyards entry road. Comment
  JEPS121343  Carex dudleyi Jake Ruygt 2006-5-7 5015 Napa Las Posadas State Forest. Comment
  RSA88793  Carex dudleyi L. S. Rose 1935-6-4 35205 Napa E. slope Mt. St. Helena Comment
  JEPS121321  Carex globosa Jake Ruygt 2004-5-29 4606 Napa Van Ness Canyon north of wildwood estate. Comment
  CAS-BOT-BC119513  Carex nudata Lewis Samuel Rose 1961-3-30 61024 Napa Conn Reservoir. Lake Hennessy stream bank. 60 Comment
  CAS-BOT-BC119516  Carex nudata Alice Eastwood; John Thomas Howell 1937-4-4 3826 Napa Rocky stream-bed near summit N of Wooden Valley. Comment
  SEINET3905219  Carex nudata Lewis S. Rose 1961-3-30 61024 Napa Conn Reservoir, Lake Hennessy.; 0 61 Comment
  JEPS100376  Carex subfusca Dean W. Taylor 2001-5-15 17650 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  UC577191  Carex subfusca Lewis S. Rose 1935-6-4 35206 Napa e slope Mt. St. Helena Comment
  UCD167171  Carex tumulicola Jake Ruygt 2015-4-24 6081 Napa Sutro Ranch, east side of Atlas Peak. 629 Comment
  UCD164754  Carex tumulicola Jake Ruygt 2014-5-19 5949 Napa Sutro Ranch, Atlas Peak. 722 Comment
  CDA6924  Carthamus creticus G. D. Barbe 1978-7-21 2411 Napa Stags Leap, Silverado Trail, east of Yountville. 0 Comment
  UCD122149  Castilleja affinis W. P. Hackett 1960-4-10 15 Napa State Highway 37, 23.2 miles west of Winters. Comment
  JEPS8681  Castilleja affinis subsp. affinis W. L. Jepson 1897-4-30 21364 Napa sw of Calistoga (Rebecca Grade); Upper Napa Valley Comment
  UC1301210  Castilleja affinis subsp. affinis Helen K. Sharsmith 1963-4-20 5355 Napa above Wooden Valley (on Monticello, e side of Napa Range); San Francisco Bay Region, Napa Range 243 Comment
  JEPS9136  Castilleja ambigua subsp. ambigua W. L. Jepson 1923-6-23 9979 Napa se of Yountville; Napa Valley Comment
  JEPS103916  Castilleja applegatei subsp. martinii T. I. and F. M. Chuang 1991-6-23 7835 Napa Near summit between Calistoga and Middletown. Comment
  RSA93064  Castilleja applegatei subsp. martinii Milo S. Baker 1953-5-11 12650 Napa Mt. St. Helena Hwy, West side short distance above Hanley's. Comment
  RSA97987  Castilleja applegatei subsp. martinii Robert Kehlor 1951-4-28 39 Napa In Putah Canyon above Recreation Beach, 10 miles west of Winters. Comment
  UCD122283  Castilleja applegatei subsp. martinii Alan P. Godlewski 1974-5-3 s.n. Napa West of Lake Berryessa, 100 yds. From Highway 128. Comment
  JEPS110633  Castilleja attenuata Jake Ruygt 1983-5-1 1450 Napa east side of HWY 29 on Suscol ridge 28 Comment
  UCD159786  Castilleja attenuata James A. Neilson Jr. 1975-4-13 3136 Napa Soda Canyon Road, near summit. 457 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
  CDA11898  Castilleja foliolosa G. F. Hrusa, G. L. Stebbins 1994-4-8 11722 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  HSC81972  Castilleja foliolosa Thomas W. Nelson, Jane P. Nelson 1980-5-3 5151 Napa W side of Butts Canyon Rd. at junction with private road 244 Comment
  UC26422  Castilleja foliolosa Willis L. Jepson 1893-4-25 Napa Napa River Basin; trail to Caux's Cabin Comment
  UCD122504  Castilleja foliolosa Paul C. Hutchinson 1963-3-3 2675 Napa 2 miles above the St. Helena Sanitarium, along the road to Pope Valley. Comment
  CAS-BOT-BC241283  Castilleja latifolia Peter H. Raven 1952-5-31 4155 Napa Rector Dam 152 Comment
  JEPS110656  Castilleja minor subsp. spiralis Jake Ruygt 1982-3-10 1125 Napa north side of American Canyon 128 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
  UCD20380  Castilleja rubicundula K. Esau 1932-5-3 s. n. Napa Napa County, Napa. Comment
  UC1222458  Castilleja rubicundula subsp. lithospermoides Joseph P. Tracy 1933-6-2 12485 Napa 3-4 mi e Angwin's (on hills at Head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Head of Moore's Cree 365 Comment
  JEPS4495  Castilleja rubicundula subsp. lithospermoides Rimo Bacigalupi and J. R. Sweeney 1953-5-26 4124 Napa 5.5 mi n Calistoga (S.P. station crossing in town) (along road to Middletown (Calif Hwy 29)) 411 Comment
  CAS-BOT-BC83848  Ceanothus confusus D. O. Burge 2008-5-31 1005 c Napa Mayacmas Mountains, York Creek 200 Comment
  CAS-BOT-BC83849  Ceanothus confusus D. O. Burge 2008-6-1 1006 c Napa Mount Saint Helena, eastern slopw of SE-most peak 1000 Comment
  UC80037  Ceanothus confusus C. C. Parry 1881-1 Napa Calistoga Comment
  CAS-BOT-BC48942  Ceanothus cuneatus Peter H. Raven 1951-5-20 2850 Napa hills w. Oakville 548 Comment
  HSC18269  Ceanothus cuneatus Greg Bos 1963-3-24 69 Napa NW end of Lake Berryesa at Patrick Creek 473 Comment
  POM136486  Ceanothus cuneatus Alice Eastwood 1922-5-4 11281 Napa Mt. St. Helena. Comment
  UC1607873  Ceanothus cuneatus C. G. Nast 1936-3-27 57 Napa Berryessa Valley Comment
  JEPS110720  Ceanothus cuneatus var. cuneatus Jake Ruygt 1991-3-30 2618 Napa crest of Oakville Grade 274 Comment
  JEPS42189  Ceanothus cuneatus var. cuneatus W. L. Jepson 1904-6-3 2447 Napa Howell Mt. Comment
  CAS-BOT-BC49113  Ceanothus cuneatus var. ramulosus Frank A. Leach 1921-3-1 s.n. Napa Hills back of Napa asylum Comment
  CAS-BOT-BC49787  Ceanothus divergens John Thomas Howell 1941-4-5 16166 Napa About 1 mi. sw. of Calistoga Comment
  CAS-BOT-BC49799  Ceanothus divergens John Thomas Howell 1941-4-5 16160 Napa Franz Valley Comment
  CAS-BOT-BC49806  Ceanothus divergens Milo S. Baker 1939-3-22 9243 Napa 1.1 mi. west of Calistoga-Napa hgwy. at a point 1.1 mi. south of Calistoga Comment
  CAS-BOT-BC64437  Ceanothus divergens Brandegee 1889-4-1 74 Napa Mt. St. Helena. Comment
  JEPS110718  Ceanothus divergens Jake Ruygt 1979-3-25 460 Napa 1.5 miles west of HWY 29 on Whitehall Lane 128 Comment
  JEPS33672  Ceanothus divergens John Thomas Howell 1926-3-21 1705 Napa trail to top of Mt. St. Helena Comment
  SEINET12211279  Ceanothus divergens W. Knight, Schmidt, C. 1987-1 6058 Napa Kortum Canyon Road 274 Comment
  OBI10525  Ceanothus foliosus Lewis S. Rose 1964-4-2 64018 Napa 2 mi SW of Angwin 244 Comment
  RSA293010  Ceanothus foliosus Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 752 Napa Mt. Saint Helena. Comment
  SJSU5714  Ceanothus foliosus L. S. Rose 1964-4-2 64018 Napa 2 mi SW of Angwin 243 Comment
  UC1070627  Ceanothus foliosus A. Lewis 1932-5-13 75 A Napa 4 mi up Dry Creek; Napa quad. 304 Comment
  UC18326  Ceanothus foliosus Willis L. Jepson 1893-5-8 Napa below New Eden Howell Mt., Napa River Basin Comment
  UC18327  Ceanothus foliosus Willis L. Jepson 1893-5-1 Napa Franz Valley Grade at divide; Napa River Basin Comment
  UC67651  Ceanothus foliosus E. L. Greene Apr 1892 Napa Mt. St. Helena Comment
  POM90701  Ceanothus foliosus C. C. Parry 1881-08 s.n. Napa Calistoga. Comment
  CAS-BOT-BC50877  Ceanothus foliosus var. foliosus Brandegee 1890-5-1 48 Napa Mt. St. Helena Comment
  CAS-BOT-BC50911  Ceanothus foliosus var. foliosus Alice Eastwood 1923-5-9 11746 Napa Calistoga Comment
  CAS-BOT-BC50923  Ceanothus foliosus var. foliosus Carl B. Wolf 1928-5-4 1852 Napa Mt. St. Helena Comment
  CAS-BOT-BC50925  Ceanothus foliosus var. foliosus H. E. McMinn 1923-5-25 962 A Napa Summit Wooden Valley Grade Comment
  JEPS42434  Ceanothus foliosus var. foliosus W. L. Jepson 1924-4-6 10318 Napa Howell Mountain, Napa Range 914 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
  UCD73460  Ceanothus foliosus var. foliosus Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  RSA10662  Ceanothus foliosus var. vineatus Carl B. Wolf 1928-5-3 s.n. Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  CAS-BOT-BC63747  Ceanothus incanus H. E. McMinn 1922-3-27 104 Napa Near Mt. St. Helena. Comment
  CAS-BOT-BC50638  Ceanothus jepsonii H. M. Hall 1931-5-27 13098 Napa Near Knoxville Comment
  CAS-BOT-BC50639  Ceanothus jepsonii C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  OBI10455  Ceanothus jepsonii R. L. Hoover 1968-4-20 65 Napa Butts Cyn rd at napa-Lake cnty boundary, on E side of road Comment
  UC166029  Ceanothus jepsonii Joseph P. Tracy 1902-5-21 1593 Napa 3-4 mi e Angwin's (Howell Mt., hills at head of Moore's Creek.); Northern Coast Ranges 365 Comment
  RSA195385  Ceanothus jepsonii subsp. albiflorus Gilbert Muth 1967-4-9 600 Napa Aetna Spring Road. 305 Comment
  CAS-BOT-BC51557  Ceanothus oliganthus var. sorediatus Lewis S. Rose 1955-4-4 55043 Napa Conn Lake, 5 mi. E. of Rutherford 152 Comment
  CAS-BOT-BC51562  Ceanothus oliganthus var. sorediatus H. E. McMinn 1923-5-26 974 b Napa Along Eticuera Creek tributary to Putah Creek Comment
  HSC44021  Ceanothus oliganthus var. sorediatus Robert M. Specht 1977-4-18 681 Napa Along N side of Develhead Rd. 451 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
  UC903054  Ceanothus oliganthus var. sorediatus Ethel Crum 1937-4-19 1780 Napa six mi n Napa; Napa Range, Mount George, n of Napa 304 Comment
  UCD49124  Ceanothus oliganthus var. sorediatus S. Murphy; K. Keck and K. Dyer 2002-5-5 10 Napa Quail Ridge UC Reserve, northern tip of ridge, along northern edge of upper road leading to power lines and tip parcels, NE from the intersection of West and East roads ca. 450m. 327 Comment
  CAS-BOT-BC53222  Ceanothus parryi Alice Eastwood 1918-5-1 6854 Napa Mt. St. Helena Comment
  UC1299537  Ceanothus parryi Freed W. Hoffman 1947-3-20 941 Napa East side of Napa Range on Trinity Road Comment
  UC79859  Ceanothus parryi Katharine Brandegee 1889-4 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UCSB16719  Ceanothus parryi Van Rensselaer, Maunsell 1938-4-26 Napa Wooden Valley Grade Comment
  UCSB10935  Ceanothus parryi Dearing, Hugh; Dearing, Margaret 1939-5-2 Napa Dry Creek Road Comment
  CAS-BOT-BC52177  Ceanothus purpureus Eva Buxton 2001-4-24 1105 Napa Ca. 1 mi. S of Lake Hennessey Comment
  CAS-BOT-BC52188  Ceanothus purpureus H. E. McMinn 1925-1-23 1367 a Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC52197  Ceanothus purpureus Alice Eastwood; John Thomas Howell 1937-4-4 3833 Napa Summit of Wooden Valley Grade east of Napa Comment
  JEPS110728  Ceanothus purpureus Jake Ruygt 1987-3-21 1935 Napa ridge west of Circle Oaks 624 Comment
  JEPS42096  Ceanothus purpureus Willis L. Jepson 1893-4-28 14027 Napa Milliken Creek, gorge N of Mt. George Napa River Basin Comment
  LA44990  Ceanothus purpureus Henry Reents; 1936-5-1 sn Napa Along Monticello Rd., 5 mi. out of Napa Comment
  RSA19010  Ceanothus purpureus J. T. Howell 1937-7-4 s.n. 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
  UCR21783  Ceanothus purpureus J. R. Haller 1979-5-4 3452 Napa Mead Ranch, near Atlas Peak Road, c. 5 miles (by road) north of state Hwy 121 and 9 miles north of Napa 488 Comment
  CDA35683  Ceanothus purpureus N. van Kleeck 1971-3-21 Napa East side of the Napa Valley. 0 Comment
  JEPS110664  Ceanothus sonomensis Jake Ruygt 1980-5-13 894 Napa Mt. St. John 518 Comment
  UCD23389  Ceanothus sorediatus D. Rhode 1977-4-16 16 Napa Chaparral, in hills alongside Monticello Dam Rd. Comment
  CAS-BOT-BC52895  Ceanothus velutinus H. E. McMinn 1926-1-2 1626 A Napa Mt. St. Helena, near tablet of R.L. Stevenson Comment
  JEPS68364  Ceanothus velutinus L. R. Heckard 1972-6-26 2998 Napa below radar station (se of lookout on peak); Mt. St. Helena Comment
  CAS-BOT-BC282010  Centaurea calcitrapa Beecher Crampton 1962-9-11 6674 Napa Wragg Canyon Resort, Lake Berryessa, Vaca Mountains, about S arm of the lake Comment
  UC1199121  Centaurea calcitrapa Joseph P. Tracy 1940-10-27 16797 Napa Napa City Comment
  UCD149664  Centaurea melitensis Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  CAS-BOT-BC277210  Centaurea solstitialis A. D. E. Elmer 1903-7-1 4943 Napa Napa Comment
  JEPS106532  Centaurium muehlenbergii Jake Ruygt 1982-6-21 1337 Napa Suscol plain between Kaiser Steel and HWY 29 (221) 4 Comment
  JEPS106534  Centaurium muehlenbergii Jake Ruygt 1995-7-12 3515 Napa about 2 miles south of Lake Hennessey on private drive (Taylor 432 Comment
  UC22688  Centaurium trichanthum H. N. Bolander 1863-1 2652 Napa Pope Valley Comment
  SD9168  Centromadia parryi Katherine Curran 1883-1 Napa Calistoga Comment
  CAS-BOT-BC272825  Centromadia parryi subsp. parryi David D. Keck; J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi. N. of the center of town at the geysers Comment
  JEPS122713  Centromadia parryi subsp. parryi Jake Ruygt 1994-6-7 3397 Napa Calistoga Airport. Quad: Calistoga. Comment
  JEPS38142  Centromadia parryi subsp. parryi W. L. Jepson 1895-8-30 Napa Calistoga Napa River Basin Comment
  UC894336  Centromadia parryi subsp. parryi Alice Eastwood 1918-9-3 7960 Napa Calistoga Comment
  JEPS33817  Centromadia parryi subsp. parryi C. C. Parry 1881-7-1 129 Napa Calistoga Comment
  POM247249  Cercis occidentalis E. K. Crum 1937-8-8 1956 Napa Putah Canyon Creek, seven miles southeast of Monticello. Comment
  UC555385  Cercis occidentalis Herbert L. Mason 1925-1-23 1207 Napa Pope Canyon Comment
  UCD48886  Cercis occidentalis S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 27 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd, N of jct with Cut-Off Rd. 152 Comment
  CAS-BOT-BC135482  Cercocarpus betuloides var. betuloides John Thomas Howell 1937-7-4 13063 Napa Wooden Valley Grade Comment
  JEPS44709  Cercocarpus betuloides var. betuloides W. L. Jepson 1937-4-10 17999 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  JEPS106930  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 1996-4-12 3608 Napa Blue Ridge, north of Monticello Dam. Portugese Canyon. 487 Comment
  JEPS34137  Chaenactis glabriuscula var. heterocarpha W. L. Jepson 1897-6-2 Napa Conn Valley Comment
  UCD41324  Chaenactis glabriuscula var. heterocarpha Ellen Dean; T. and M. Starbuck 2004-4-3 2000 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. W of turn off to old town of Knoxville, N side of road, about 0.5 airline miles WSW of site of old town of Knoxville. 437 Comment
  CAS-BOT-BC284569  Chaenactis glabriuscula var. heterocarpha David D. Keck 1933-5-29 2348 Napa Pope Creek Bridge south of Walters Springs, Pope Creek Canyon Comment
  JEPS875  Chaenactis glabriuscula var. heterocarpha W. L. Jepson 1897-6-2 Napa Conn Valley Ridge Napa Valley Basin Comment
  JEPS106429  Chamaesyce nutans Jake Ruygt 1979-8-6 789 Napa .3 miles south of Oak Knoll Ave. on Solano Ave. 30 Comment
  SEINET10844555  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-12 Ahart 16437 -A Napa T8N, R3E, east border of southwest 1/4 Section 30. Normal size plant, on dry bare soil, below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3-4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC70162  Cheilanthes gracillima Belle Richardson Jackson 1924-10-22 s.n. Napa Top of Mt. St. Helena Comment
  CAS-BOT-BC68160  Cheilanthes intertexta Peter H. Raven 1951-6-10 2921 Napa Crater Region e. of Palisades 762 Comment
  JEPS116554  Cheilanthes intertexta Jake Ruygt 1998-6-8 4020 b Napa Mead Ranch, on ridgetop, overlooking Soda Canyon. Yountville 7.5' Quad. Comment
  JEPS59710  Chenopodium ambrosioides W. L. Jepson 1894-11-7 Napa St. Helena Comment
  RSA90500  Chenopodium californicum Anonymous 1936-04 8179 Napa A mile or so north of Knoxville. Comment
  JEPS106741  Chenopodium macrospermum var. halophilum Jake Ruygt 1993-10-24 3291 Napa near Fagan Slough. 0 Comment
  UC924253  Chenopodium multifidum H. S. Reed 1948-11-5 2028 Napa 2 mi n Monticello; Berryessa Valley Comment
  JEPS115848  Chenopodium pumilio Lowell Ahart 2009-10-12 16443 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 437 Comment
  UCD48758  Chlorogalum pomeridianum M. Eng 2002-5-4 7 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of West and East roads, along lower road leading to power lines. 297 Comment
  UCD14302  Chlorogalum pomeridianum var. pomeridianum L. Coats 1983-5-29 51 Napa Napa Co.; J and M Ranch, end of Green Valley Road, 1 mile from intersection of Coombsville Road and Wild Horse Valley Road; approximately 100 yeards inside gate, next to road; Comment
  UCR24252  Chorizanthe membranacea John C. Roos 1939-5-6 294 Napa North Coast Range, Pacific Union College, Bell's Canyon near Three Peaks 862 Comment
  UC55747  Chorizanthe polygonoides var. polygonoides J. P. Tracy 1902-5-20 1564 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain, near Angwin Creek crossing on Howell Mountain Grade); Howell Mountain, head Moore's Creek 457 Comment
  CAS-BOT-BC252842  Chorizanthe polygonoides var. polygonoides John Thomas Howell 1933-6-4 11392 Napa Hills east of Napa Comment
  JEPS120318  Chorizanthe stellulata Jake Ruygt 1993-5-22 3265 Napa On private road across from James Creek Road at Butts Canyon Road. Aetna Springs 7.5' Quad. Comment
  UCD159451  Cichorium intybus D. S. Park 2010-8-5 207 -2 Napa East of Lake Hennessey. Rt. 128, Sage Canyon Rd. Disturbed, roadside. 102 Comment
  CDA11426  Cirsium cymosum G. F. Hrusa, M. Tu 1995-5-6 12149 Napa North Coast Biodiversity Arena; approx. 1.25 m. above Aetna Springs, on Aetna Spr. Rd. Comment
  CAS-BOT-BC278017  Cirsium cymosum Peter H. Raven 1950-6-20 2560 Napa In the Napa Range between Conn Valley & Summit of Howell Mountain Comment
  CDA1208  Cirsium douglasii var. douglasii Gene Cornett 1952-1-2 s.n. Napa S.E. corner of Napa Co.( 300 yds N of American Canyon Rd., 2.7 mi. E of Hwy 29, about 0.3 mi W of I-80)(map with sheet #3 of 4) Comment
  CAS-BOT-BC279969  Cirsium douglasii var. douglasii Gene Cornett 1952-6-2 s.n. Napa Napa Comment
  CDA1303  Cirsium occidentale var. californicum R. Lawley 1968-5-4 s.n. Napa Oakville Grade Rd. Comment
  CAS-BOT-BC286571  Cirsium occidentale var. venustum Alice Eastwood; John Thomas Howell 1939-6-11 7426 Napa Hood Mt. Range sw. of Oakville Comment
  UCD161249  Cirsium occidentale var. venustum Jake Ruygt 1979-6-2 665 Napa 1.8 miles northwest of Atlas Peak Rd. on Monticello Rd. (Coordinates estimated by label maker at UC Davis). 182 Comment
  UC127474  Cirsium remotifolium var. odontolepis Harley P. Chandler Sep 7 1906-Sep 14 1906 7151 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD19925  Cirsium vulgare E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 780 Napa Quail Ridge Reserve. Decker Canyon, along Decker Bay trail. 140 Comment
  UCD167268  Clarkia affinis Jake Ruygt 1998-6-24 4051 Napa Rocky Ridge, east of Apple Tree Canyon. 676 Comment
  UCD167270  Clarkia amoena subsp. huntiana Jake Ruygt 1997-5-18 3858 Napa Redwood Road near Mt. Veeder. 140 Comment
  SBBG115750  Clarkia concinna B. Crampton 1953-5-19 1300 Napa 9 mi E of Rutherford Comment
  UCD37324  Clarkia concinna Beecher Crampton 1959-5-26 5265 Napa North end of Capell Valley, Capell Creek. Comment
  CAS-BOT-BC172177  Clarkia concinna W. L. Jepson 1897-6-1 s.n. Napa Napa Valley Comment
  CAS-BOT-BC172179  Clarkia concinna Peter H. Raven 1950-6-20 2365 Napa Above Conn Valley Comment
  UCD21810  Clarkia concinna L. D. Gottlieb 1987-8-1 8740 Napa Hwy. 128, immediately west of Conn Dam. Comment
  HSC64520  Clarkia concinna subsp. concinna J. P. Smith, J. O. Sawyer 1970-5-17 3772 Napa 3 mi. S of Pope Valley Comment
  UC527846  Clarkia concinna subsp. concinna R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6674 Napa 10 mi n Howell Mountain; Butt's Canyon Comment
  SEINET12194286  Clarkia gracilis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -319 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  UCSB17305  Clarkia gracilis Haller, John 1961-6-18 Napa 7.7 mi SE of Pope Valley; on road to Lake Hennessy 274 Comment
  POM32044  Clarkia gracilis subsp. gracilis Katherine Brandegee 1909-6-1 s.n. Napa Pope Valley Grade. Comment
  CAS-BOT-BC163687  Clarkia purpurea subsp. quadrivulnera Betty H. Johnson 1958-6-15 634 Napa 1/2 mi. above Mt. Mill House, 6.4 mi. S-W. of Middletown Comment
  CAS-BOT-BC163689  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-6-24 3032 Napa Valley floor e. of Napa 60 Comment
  UC20319  Clarkia purpurea subsp. quadrivulnera Willis L. Jepson 1893-6-24 Napa road to Napa Soda Springs; Napa River Basin Comment
  UC1301111  Clarkia purpurea subsp. viminea Helen K. Sharsmith 1962-6-3 5114 Napa near Angwin; San Francisco Bay Region, Mount Howell 487 Comment
  JEPS43712  Clarkia rhomboidea Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena Comment
  CAS-BOT-BC164775  Clarkia rhomboidea Betty H. Johnson 1958-6-15 638 Napa 1/4th mi above Mt. Mill House, 6.4 mi. S-W. Middletown Comment
  SEINET7718946  Clarkia rhomboidea Unknown Napa Napa Comment
  UC1301112  Clarkia unguiculata Helen K. Sharsmith 1962-6-3 5103 Napa Napa-Soda Springs Road San Francisco Bay Region 152 Comment
  UCD21538  Claytonia exigua B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 1 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, just W of pool at confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  JEPS112599  Claytonia exigua subsp. exigua Jake Ruygt 1999-3-27 4123 Napa Murphy Creek about 1/4 mile from Wild Horse Valley Road 377 Comment
  CAS-BOT-BC439375  Claytonia gypsophiloides Carl B. Wolf 1928-5-3 1829 Napa Base of Mt. St. Helena Comment
  UCD100506  Claytonia gypsophiloides J. M. Tucker 1953-3-26 2637 Napa slope overlooking Highway 29, Mount Saint Helena, 5.2 miles (by road) north of 'city limit' sign on north side of Calistoga. Comment
  UCD49146  Claytonia perfoliata subsp. perfoliata S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 30 B 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
  UCD49148  Claytonia perfoliata subsp. perfoliata C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; near jct of West Rd. and Decker Bay Trail, S side of West Rd. 152 Comment
  UC650403  Claytonia perfoliata subsp. perfoliata Ira L. Wiggins 1928-3-27 2870 Napa 1.5 mi ne Calistoga Comment
  UC9065  Clematis lasiantha Willis L. Jepson 1893-4-25 Napa trail to <Caux's> Cabin Mt. St. Helena Comment
  CAS-BOT-BC92683  Clematis ligusticifolia Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville. Comment
  JEPS112523  Collinsia greenei Jake Ruygt 1983-6-12 1493 Napa Mt. St. Helena, Red Hill 624 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
  UCD70469  Collinsia heterophylla P. J. Plummer 1995-6-5 s.n. Napa Napa County West of city of Winters, along hwy 128. Growing under shrubs on open hillside. Flowers purple and white. 73 Comment
  OBI54927  Collinsia heterophylla Kathleen Faustini 1980-5-4 26 Napa Roadside by Monticello Dam Comment
  RSA305747  Collinsia heterophylla James R. Shevock 1971-4-8 921 Napa Hwy 29 near Co. line. 549 Comment
  CAS-BOT-BC474519  Collinsia sparsiflora G. F. Hrusa; R. Cole; D. Anderson 1995-3-26 12029 Napa Quail Ridge Reserve, at entrance gate 290 Comment
  CAS-BOT-BC94519  Collinsia sparsiflora R. C. Wenk; E. S. Wenk 2006-4-30 437 Napa Robert Louis Stevenson State Park. Trail going E from Highway 29 parking lot for trail to Mt. St. Helena, 1/2 mile from Comment
  UCD123659  Collinsia sparsiflora R. L. Smith 1948-5-8 s.n. Napa Pope Valley. Comment
  RSA195365  Collinsia sparsiflora var. arvensis Gilbert Muth 1967-3-31 598 Napa Old Howell Mountain road. 457 Comment
  POM126052  Collinsia sparsiflora var. bruceae Alice Eastwood 1923-5-9 11751 Napa Mount St. Helena. Comment
  JEPS112529  Collinsia sparsiflora var. collina Jake Ruygt 1982-5-16 1268 Napa .2 mile south of Foss Valley on Atlas Peak Rd. 420 Comment
  UC1301186  Collinsia sparsiflora var. collina Helen K. Sharsmith 1963-3-17 5224 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  JEPS6318  Collinsia sparsiflora var. collina Willis L. Jepson 1893-4-23 21232 Napa n of Wooden Valley Grade Tranchos Gorge; Napa Range Comment
  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
  JEPS85056  Collinsia sparsiflora var. sparsiflora Larry Heckard, Mary Ashton 1969-5-3 2200 Napa 7 mi ne of Napa (Mead Ranch off the Atlas Peak Road); Mead Ranch 457 Comment
  UC903160  Collinsia sparsiflora var. sparsiflora Ethel Crum 1937-4-19 1782 Napa 15 mi ne of Napa (Napa Range, Steel Canyon); Napa Range, Steel Canyon Comment
  JEPS7313  Collinsia tinctoria Willis L. Jepson 1893-6-26 21328 Napa Angwin's Meadows; Napa River Basin; Howell Mtn. Comment
  CAS-BOT-BC229530  Collomia diversifolia M. S. Baker 1948-5-12 12038 Napa Butts Canyon just below Black Oak Villa Comment
  JEPS110956  Collomia heterophylla Jake Ruygt 1982-5-26 1292 Napa Mt. St. Helena 731 Comment
  UCD167221  Collomia heterophylla Jake Ruygt 1998-5-16 3966 c Napa Maggie's Peak area. 579 Comment
  RSA128655  Cordylanthus pilosus subsp. pilosus Peter H. Raven 1951-8-21 3864 Napa Ridge s.e. of Mt. Veeder. 671 Comment
  JEPS6633  Cordylanthus pilosus subsp. pilosus R. F. Hoover 1938-9-23 3859 Napa foothills e St. Helena 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
  OBI9575  Cordylanthus pringlei Robert F. Hoover 1966-8-23 9922 Napa E side of Mt. St. Helena, about 1/2 mi S of lake co. line Comment
  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
  JEPS62597  Cordylanthus tenuis subsp. brunneus T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 A Napa just s of Napa and Lake County Line (on U.S. Highway 29); U.S. Highway 29 Comment
  CAS-BOT-BC209798  Cornus glabrata John Thomas Howell 1939-5-7 14654 Napa 3 1/2 miles from Knoxville on road to Lower Lake Comment
  JEPS106396  Cornus glabrata Jake Ruygt 1990-5-19 2552 Napa Napa River about 1/4 mile north of Trancas Street, Napa 4 Comment
  JEPS50114  Cornus glabrata W. L. Jepson 1893-9-21 14149 Napa Wooden Valley Comment
  JEPS50117  Cornus glabrata W. L. Jepson 1924-5-8 10416 Napa e. Napa Co., Pope Creek Comment
  UC1280738  Cornus glabrata H. E. McMinn 1922-6-8 203 Napa along rd. by stream from Monticello to Napa; Napa Mts., Pope Creek Comment
  UC412933  Cornus glabrata H. P. Chandler 1907-5-30 7598 Napa St. Helena, White Sulphur Spring Comment
  UCR146186  Cornus glabrata Beecher Crampton 1954-5-20 1920 Napa Coast Range, 3 miles east of Rutherford, along highway 128, Sage Canyon, Conn Creek 91 Comment
  CAS-BOT-BC209417  Cornus nuttallii Ira L. Wiggins 1949-4-30 12090 Napa On n.e. flank of Mount St. Helena 914 Comment
  UC1543150  Cornus nuttallii Charlotte G. Nast 1936-4-17 87 Napa Mt. St. Helena Comment
  SEINET5740808 Image available Cornus nuttallii Stephen L. Clement 1973-1 64- 5 -18 Napa 3.1 miles W of Aetna Springs in small canyon.; Aetna Springs 305 Comment
  CAS-BOT-BC180342  Corylus cornuta subsp. californica Alice Eastwood 1923-5-9 11742 Napa Calistoga Comment
  JEPS126115  Corylus cornuta subsp. californica Jake Ruygt 1987-5-16 1992 b Napa Bismark Knob. Sonoma 7.5' Qua. Comment
  SEINET3151516  Corylus rostrata var. californica H. P. Chandler 1906-9-7 7156 Napa Alta Loma Ranch; Howell Mt. 549 Comment
  JEPS106938  Cotula australis Jake Ruygt 1979-2-22 433 Napa west slope of Mt. George near Mt. George Ave. 91 Comment
  UC166028  Crassula aquatica Joseph P. Tracy May 15 1903-May 18 1903 1854 1/2 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UCD18049  Crassula connata Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 601 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
  JEPS129024  Crepis pulchra Jake Ruygt 2016-5-7 6240 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  CHSC102273  Crypsis schoenoides Lowell Ahart 2009-10-12 16462 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  RSA758274  Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7963 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  SEINET1910014  Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-1 7963 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge 91 Comment
  UC1010750  Crypsis schoenoides Peter H. Raven 1951-10-28 3926 Napa Conn Lake; strand 152 Comment
  SEINET4343824 Image available Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7963 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge 91 Comment
  SEINET4206989  Cryptantha clevelandii Barbara Ertter, Annetta Carter 1989-5-28 8510 Napa Near Knoxville 2 mi SE of Lake Co. line on Berryessa Rd.; 0 610 Comment
  JEPS106757  Cryptantha flaccida Jake Ruygt 1986-4-12 1692 Napa Devil's Canyon 533 Comment
  CHSC108724  Cryptantha hispidula B. Castro; L. P. Janeway 2002-5-12 1370 Napa Inner North Coast Ranges. Ridge top north of Cedar Creek, along road from Devilhead Road. 579 Comment
  JEPS106700  Cryptantha hispidula Jake Ruygt 1993-4-12 3205 c Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  SBBG29139  Cryptantha hispidula M. S. Baker 1934-4-19 7816 Napa Pope crk rd near Pope valley Comment
  UC857146  Cryptantha hispidula Milo S. Baker 1938-4-29 8939 Napa e of Pope Valley (along road from Monticello) Comment
  UCD169788  Cryptantha hispidula Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 797 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 446 Comment
  UCD70466  Cryptantha hispidula B. Wengeler 1995-4-30 s.n. Napa West of city of Winters, 2 m N of hwy 128 along Knoxville Rd. Open hillside of rocky, serpentine soil. Annual, 9 in tall. Flowers white. 183 Comment
  UCD119813  Cryptantha hispidula Robert E. Preston 1988-4-10 574 Napa 0.4 mile southwest of the confluence of Putah Creek and Hunting Creek, on a southeast-facing serpentine slope. 268 Comment
  UCD74364  Cryptantha hispidula Jake Ruygt 1991-5-25 2697 Napa Paradise Valley. 274 Comment
  UCD54566  Cryptantha muricata K. Walker; PLB 102 2006-5-13 4 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  CAS-BOT-BC80722  Cupressus macnabiana John Thomas Howell 1931-4-3 6143 Napa Near Aetna Springs, Pope Valley, Napa Range Comment
  JEPS46565  Cupressus macnabiana W. L. Jepson 1933-10-8 16553 Napa Knoxville Ridge Knoxville Ridge (n Napa Co.) Comment
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Mar 24 2009
  UCR23367  Cupressus macnabiana John C. Roos 1938-11-19 323 Napa North Coast Range, Pope Valley, Aetna Springs 305 Comment
  CAS-BOT-BC85480  Cupressus sargentii John Thomas Howell 1926-3-21 1714 Napa St. Helena Creek below Patten's near Napa-Lake county boundary 609 Comment
  CAS-BOT-BC85484  Cupressus sargentii Philip C. Knapp 1928-5-1 s.n. Napa northeast side of Mt. St. Helena Comment
  CDA10848  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-18 11785 a Napa North Coast Biodiversity Arena; On hill above Swartz Canyon Rd. approx. 2 m. NW of Aetna Springs. 237 Comment
  CDA10849  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-18 11786 a Napa North Coast Biodiversity Arena; On hill above Swartz Canyon Rd. approx. 2 m. NW of Aetna Springs. 228 Comment
  RSA15666  Cupressus sargentii C. B. Wolf 1928-2-25 1507 Napa 3 miles N of summit of the Mt. St. Helena Grade, near the Napa Lake County line. Comment
  SEINET10531522  Cupressus sargentii Mary Susan Taylor, E. Pierce 1981-5-17 Taylor 3756 Napa Calistoga Pass, both sides of Hwy 29, ca 1 mile south of Lake County line. Comment
  SEINET10531527  Cupressus sargentii Peter H. Raven 1965-5-16 Raven 20209 Napa Cedar Valley, vicinity of Knoxville. 610 Comment
  UCD170291  Cuscuta howelliana Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 831 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 637 Comment
  UCD170456  Cuscuta howelliana Daniel Potter; Ninh Khuu 2016-6-8 885 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 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
  JEPS126095  Cuscuta pacifica var. pacifica Jake Ruygt 1981-7-20 1067 Napa Fagan's Marsh. Cuttings Wharf 7.5' Qua. Comment
  JEPS116523  Cuscuta subinclusa Jake Ruygt 1991-7-27 2805 b Napa North of the Southern Crossing, Highway 29 Horseshoe Island. Napa 7.5' 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
  JEPS47133  Cuscuta subinclusa W. L. Jepson 1930-10-19 15696 Napa Butts Canyon, ne Napa County Butts Canyon Comment
  RSA611429  Cynoglossum grande Joseph A. Ewan 1934-3-18 8661 Napa Steel Canyon. Comment
  RSA0045600  Cynoglossum grande Keith E. Hoffmaster 1946-3-9 1039 Napa Napa range, near summit along Napa-Monticello road. Comment
  CAS-BOT-BC190360  Cynosurus echinatus Peter H. Raven 1952-5-26 4068 Napa Steel Canyon. 304 Comment
  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
  UCD168561  Cynosurus echinatus Stephen P. Rae; A. Solomeshch 2007-3-19 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
  UCD37686  Cynosurus echinatus Beecher Crampton 1961-6-12 5903 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  UC1563948  Cyperus eragrostis Barbara Ertter with Elizabeth Neese 1988-10-2 7956 Napa ca. 15 airmiles n.-n.w. Napa (Lake Hennessey, on Conn Creek, below spillway on n. side of Rte. 128); North Coast Ranges, Conn Creek 91 Comment
  UCD149600  Cyperus eragrostis Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  JEPS75995  Cyperus eragrostis W. L. Jepson 1936-6-2 17602 Napa Pratt Valley, St. Helena Comment
  SEINET3909600  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa Lake Hennessey about 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges.; 0 91 Comment
  UCD148559  Cypselea humifusa Jake Ruygt 1987-10-12 2101 Napa Napa County; Sage Canyon Rd., Lake Hennessey, at boat dock. 91 Comment
  CAS-BOT-BC70576  Cystopteris fragilis Peter H. Raven 1957-5-5 10771 Napa western edge of Calistoga 182 Comment
  JEPS104558  Daucus carota Jake Ruygt 1979-6-18 706 Napa .5 mile north of Maple Lane on HWY 29 106 Comment
  RSA187491  Daucus pusillus John H. Thomas 1955-5-21 5139 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa 244 Comment
  UCD47830  Daucus pusillus A. Haselby; M. Carson, S. Howard, and P. Mayers 2000-4-29 6 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  UCD48431  Daucus pusillus S. Murphy; K. Keck and K. Dyer 2002-5-5 6 Napa Quail Ridge UC Reserve, northern tip of ridge, ca. 200 m from intersection of West and East roads, north side of upper road leading to power lines and tip parcels. 388 Comment
  JEPS126255  Deinandra corymbosa Devin Jokerst with Sarah Lynch 2016-5-25 Napa American Canyon. The undeveloped property is located west of Highway 29 and north of Green Island Road. Comment
  UCD161569  Deinandra corymbosa Jake Ruygt 1992-5-18 2969 Napa Alston Park, Dry Creek Road, Napa. 85 Comment
  UC9220  Delphinium Willis L. Jepson 1893-5-2 Napa Pope Valley grade Napa River Basin Comment
  JEPS6234  Delphinium hesperium Willis L. Jepson 1893-6-26 21393 Napa grade to Howell Mt. Napa River Basin Comment
  LA38211  Delphinium hesperium G. Mehlquist; 355 Napa 6 mi. S of Monticello on road to Napa Comment
  JEPS100897  Delphinium hesperium subsp. hesperium Dean W. Taylor 1998-5-14 16438 Napa Asbestos Mine, Steele Canyon (southerly arm of Lake Berryessa) 301 Comment
  HSC58984  Delphinium nudicaule George E. Johnston 1974-4-4 1026 Napa Near Bell Canyon 427 Comment
  RSA787108  Delphinium nudicaule Keith E. Hoffmaster 1946-3-23 1222 -b Napa Napa range, along Napa-Monticello road. Comment
  UC608257  Delphinium nudicaule B. O. Schreiber 1938-4-24 2495 Napa 5.2 mi nne Napa; Napa Quadrangle, Wooden Valley Grade 274 Comment
  UC635357  Delphinium nudicaule H. L. Mason 1926-3-14 2723 Napa Mount Saint Helena Comment
  UCD15024  Delphinium nudicaule K. A. Bear 1978-4-23 33 Napa along Lower Chiles Road, 1.4 miles SW of intersection of Chiles and Pope Valley Roads; 128 Comment
  UCD95880  Delphinium nudicaule Heidi E. M. Dobson 1978-4-8 296 Napa East slope of Mt. Veeder. Comment
  UCD96061  Delphinium nudicaule G. L. Webster 1967-3-23 7487 Napa Along Chiles Creek c. 1 mi. SW Chiles Grist Mill, Pope Valley Rd. 137 Comment
  SEINET12093074  Delphinium nudicaule F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -307 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  UCD96053  Delphinium nudicaule R. L. Smith 1948-5-7 s.n. Napa Samuel Springs, west of Monticello. Comment
  RSA155420  Delphinium patens L. S. Rose 1961-3-30 61026 Napa 1 mile N of Conn Reservoir, Lake Henessy. 152 Comment
  CAS-BOT-BC116484  Delphinium patens subsp. patens Saichi Kawahara 1968-4-20 350 Napa 2 miles south of Pope Valley, Chiles-Pope Valley Road, Napa Valley 259 Comment
  JEPS110983  Delphinium patens subsp. patens Jake Ruygt 1999-5-8 4147 Napa Mead Ranch, near north gate. 426 Comment
  UCD164768  Delphinium patens subsp. patens Jake Ruygt 2014-5-22 5925 -b Napa Sutro Ranch, Atlas Peak. 748 Comment
  CAS-BOT-BC116494  Delphinium patens subsp. patens J. T. Howell 1931-4-2 6105 Napa Grassy meadow, 4 miles from Monticello on road to Napa, Napa Range Comment
  CAS-BOT-BC116498  Delphinium patens subsp. patens Belle R. Jackson 1930-6-8 s.n. Napa On the old Toll Road below Patten's, Mt. St. Helena region Comment
  JEPS23343  Delphinium uliginosum J. P. Tracy 1899-6-13 354 Napa Howell Mt. Comment
  SFV1290  Delphinium uliginosum A. Day 1965-5-15 65 126 Napa Cedar Valley, west of Lake Berryessa. Comment
  UC726446  Delphinium uliginosum A. A. Heller 1941-5-16 16132 Napa about 3 mi w Knoxville (on road to Lower Lake) Comment
  UCD169783  Delphinium uliginosum Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 791 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 451 Comment
  SEINET5718464 Image available Delphinium uliginosum James W. Katberg 1966-1 45 Napa Cedar Valley, south of Knoxville.; Cedar Valley Comment
  CAS-BOT-BC7912  Delphinium variegatum Peter H. Raven 1953-5-2 5381 Napa Hills due E of Yountville 243 Comment
  LA207580  Delphinium variegatum H. Lewis; G. Mehlquist 1941-5-8 sn Napa Monticello to Napa Rd, 5.1 mi. S. of the road to St. Helena Comment
  RSA149657  Delphinium variegatum Harlan Lewis, G. Mehlquist 1941-5-8 s.n. Napa Monticello to Napa road 5.1 miles S of the road to St. Helena Comment
  UCD96742  Delphinium variegatum R. L. Smith 1948-5-8 s.n. Napa Near Edmunds Springs, east branch of Monticello Valley. Comment
  JEPS110975  Delphinium variegatum subsp. variegatum Jake Ruygt 1989-4-22 2290 Napa Snell Valley Rd. near Berryessa Estates 207 Comment
  SBBG2218  Delphinium variegatum subsp. variegatum H. and M. Dearing 1939-4-29 3228 Napa Conn Valley Comment
  UC112888  Dendromecon rigida Katharine Brandegee 1889-4 Napa a few hundred feet above Toll House; Mt. St. Helena Comment
  UCD21550  Deschampsia cespitosa A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 4 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, west side of pool at confluence of Sensitive Plant Canyon and Hunting Creek. 335 Comment
  UCD61153  Deschampsia cespitosa Beecher Crampton 1957-5-8 4000 Napa Above Capell Creek, north end of Capell Valley. Comment
  SEINET11695843  Deschampsia cespitosa Unknown 1957-5-8 4000 Napa N end of Capell Valley, above Capell Creek Comment
  JEPS122974  Deschampsia cespitosa subsp. cespitosa Jake Ruygt 2002-5-18 4423 Napa Missimer/Snell Valley Wildflower Preserve. Quad: Aetna Springs. Comment
  POM365009  Deschampsia cespitosa subsp. cespitosa P. H. Raven 1965-5-15 20210 Napa Cedar Valley, vicinity of Knoxville. 61 Comment
  UC187277  Deschampsia cespitosa subsp. cespitosa J. P. Tracy 1902-5-18 1543 Napa 3-4 mi. e. Angwin's (Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 518 Comment
  JEPS122988  Deschampsia danthonioides Jake Ruygt 1996-5-4 3654 Napa Butts Canyon Road at James Creek Road; SE field. Quad: Aetna Springs. Comment
  SEINET200211 Image available Deschampsia danthonioides P. H. Raven 1957-5-5 10746 Napa About alkaline springs near airport Calistoga 91 Comment
  UC1103262  Deschampsia danthonioides J. P. Tracy 1899-6-13 345 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek); Howell Mt., Moore's Creek 365 Comment
  UC1158115  Deschampsia danthonioides Joseph P. Tracy 1950-5-23 18672 Napa 3 - 4 mi. e. Angwin's (on hills at head of Moore's Creek, Howell Mt.); Northern Coast Ranges, La Jota Plateau, Howell Mt., Moore's 518 Comment
  UC187274  Deschampsia danthonioides Joseph P. Tracy 1903-5-15 1854 Napa near Calistoga Northern Coast Ranges, Napa Valley 91 Comment
  UC53586  Deschampsia danthonioides Willis L. Jepson 1893-1 Napa Napa Valley, Napa R. Basin Comment
  UCD149574  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
  UCD63727  Deschampsia elongata E. Wilson 1934-8-1 Napa Mt. St. Helena. Comment
  SEINET7072770  Dichelostemma capitatum A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  CAS-BOT-BC499418  Dichelostemma capitatum Willis L. Jepson 1897-1-1 s.n. Napa St. Helena, Napa River Basin Comment
  UCD169882  Dichelostemma capitatum subsp. capitatum Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 728 Napa Knoxville Wildlife Area. 352 Comment
  UCD48777  Dichelostemma capitatum subsp. capitatum C. Mathews; C. Little, K. Glover, T. Petrie 2001-4-14 11 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; slopes between West Rd. and Decker Bay Trail, 15 ft. N of creek, 2 ft. E of small dry creek bed. 152 Comment
  UCD14205  Dichelostemma volubile William Tierney 1973-5-12 77 Napa along Highway 128, 10 miles west of Winters, near Monticello Dam; 228 Comment
  JEPS126104  Dichondra Jake Ruygt 1994-4-24 3353 Napa Alston Park, west side near Redwood Creek. Napa 7.5' Qua. Comment
  CAS-BOT-BC150361  Diplacus aurantiacus Ira L. Wiggins 1949-4-30 12077 Napa Along old toll road between Calistoga and Middletown, about 1.5 miles from Calistoga Comment
  CAS-BOT-BC153283  Diplacus kelloggii John Thomas Howell 1940-5-19 15452 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC153280  Diplacus kelloggii M. S. Jussel 1937-5-23 s.n. Napa Palisades 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
  JEPS112625  Dodecatheon hendersonii Jake Ruygt 1988-3-26 2128 Napa Toll Canyon 243 Comment
  RSA15626  Dodecatheon hendersonii Carl B. Wolf 1928-2-25 1480 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UCD17963  Dodecatheon hendersonii Ellen Dean; Kate Mawdsley 2001-4-9 680 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. 213 Comment
  UCD15067  Dodecatheon hendersonii Marcia R. Davis 1977-4-16 16 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam, on the left side of the road while travelling southwest; 213 Comment
  JEPS106563  Downingia concolor var. concolor Jake Ruygt 1982-5-12 1240 Napa east of Rocktram, west of HWY 221, Suscol Plain 3 Comment
  JEPS106569  Downingia pusilla Jake Ruygt 1990-4-9 2469 Napa Milliken Reservoir, Napa City Watershed 356 Comment
  JEPS106570  Downingia pusilla Jake Ruygt 1986-4-14 1701 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road 448 Comment
  JEPS106844  Draba verna Jake Ruygt 1982-3-3 1115 Napa Long Canyon near Berryessa-Knoxville Rd 327 Comment
  UC1543126  Drymocallis glandulosa var. wrangelliana Charlotte G. Nast 1936-3-27 74 Napa Childs Canyon Comment
  UC420566  Drymocallis glandulosa var. wrangelliana H. P. Chandler 1907-5-14 7583 Napa St. Helena , St. Helena (White Sulphur Spring) Comment
  CAS-BOT-BC70943  Dryopteris arguta Betty H. Johnson 1958-6-20 664 A Napa Near Mt. Mill House, 6.4 miles SW of Middletown Comment
  POM346349  Dryopteris arguta F. R. Fosberg 1967-9-10 48643 Napa Near Haven place above St Helena Comment
  CAS-BOT-BC70945  Dryopteris arguta Peter H. Raven 1954-1-22 6381 Napa Sulphur Springs Resort, west of St. Helena 121 Comment
  CDA11616  Dryopteris arguta G. F. Hrusa, G. L. Stebbins 1994-3-11 11614 Napa North Coast Biodiversity Arena; Las Posadas State Forest, immediately E of Fire Station. Comment
  UC397024  Dryopteris arguta Dr. Goodspeed June 1929 Napa near Napa Comment
  SEINET267031 Image available Dryopteris filix-mas Royal D. Suttkus 1967-6-26 673031 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  JEPS49910  Dudleya caespitosa H. P. Chandler 1907-5-14 7570 Napa White Sulfer Springs St. Helena Comment
  SFV8761  Dudleya cymosa R. C. Herner 1965-5-8 22 Napa North Coast Ranges Vaca Mountains. On State Highway 128, 6 miles southwest of Monticello Dam. 300 Comment
  UC1127116  Dudleya cymosa B. O. Schreiber 1938-4-24 2505 Napa 1/2 mi nw Knoxville; Reiff Qaudrangle 609 Comment
  UCD20915  Dudleya cymosa V. (Shorty) Boucher 2002-3-27 6 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. 243 Comment
  CAS-BOT-BC428111  Dudleya cymosa subsp. cymosa S. M. Carpenter 1952-4-20 46 Napa Near Samuel's Springs 106 Comment
  CAS-BOT-BC428155  Dudleya cymosa subsp. cymosa John Thomas Howell 1929-5-30 4281 Napa Sage Canon [Canyon], Napa Range Comment
  UCD101897  Dudleya cymosa subsp. pumila Bill Wengeler 1995-4-30 s.n. Napa 0.2 mile N of Hwy 128 along Knoxville Road. 183 Comment
  JEPS126102  Dysphania pumilio Jake Ruygt 1991-6-29 2760 Napa 3.2 miles north of Pope Canyon Road on Barryessa-Knoxville Road. Walter Springs 7.5' Qua. Comment
  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
  RSA518795  Echinodorus berteroi Barbara Ertter, E. Neese 1988-10-2 7968 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  SD131804  Echinodorus berteroi Barbara Ertter, Elizabeth Neese 1988-10-2 7968 Napa Lake Hennessey about 15 airmiles north-northwest of Napa, on Conn Creek in North Coast Ranges; east of boat-launching ramp on southeast edge 89 Comment
  JEPS121360  Eleocharis acicularis var. acicularis Jake Ruygt 1992-5-18 2976 Napa Yountville Ecological Reserve, Yountville. 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
  SEINET9358379  Eleocharis palustris Unknown 1935-6-4 35199 Napa Napa Comment
  RSA125599  Eleocharis rostellata Peter H. Raven 1957-5-5 17053 Napa Calistoga 91 Comment
  UCD17975  Elymus glaucus Ellen Dean; with Plant Biology 102 class 2001-4-14 700 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, below stock pond. 152 Comment
  JEPS122980  Elymus glaucus subsp. glaucus Jake Ruygt 1990-5-16 2551 Napa Calistoga Campground, Lommel Road. Quad: Calistoga. Comment
  RSA135785  Elymus glaucus subsp. jepsonii John H. Thomas 1955-5-21 5106 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa 244 Comment
  JEPS122977  Elymus multisetus Jake Ruygt 1991-6-10 2718 Napa Cookesley Lake, Friesen's Lakes. Quad: Saint Helena. Comment
  UCD62481  Elymus multisetus Beecher Crampton 1954-5-20 1923 Napa South shore of Conn Reservoir, Hwy. 128, 4 miles east of Rutherford. Comment
  UCD159910  Emmenanthe penduliflora Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section. Near Q58 or Q59. 243 Comment
  JEPS128909  Epilobium canum Jake Ruygt 1978-9-9 409 Napa 3 miles NE of Silverado Trail on Deer Park Road. Saint Helena 7.5' Quad. Comment
  UC221399  Epilobium canum subsp. canum H. M. Hall 1923-10-15 11951 Napa near Calistoga (n of town) Comment
  UCD143101  Epilobium canum subsp. canum E. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 773 Napa Quail Ridge Reserve. SW corner of Lake Beryessa, along South Decker Canyon Road, S of junction with Cut-off Road. 176 Comment
  UC19960  Epilobium densiflorum Willis L. Jepson 1892-7 Napa Knoxville Comment
  JEPS129092  Epilobium foliosum Jake Ruygt 2016-4-26 6210 Napa Amy's Grove, Dry Creek Road. Rutherford 7.5' Quad. Comment
  UC1198490  Epilobium foliosum J. P. Tracy 1899-6-14 359 Napa flat at top of mt. Howell Mountain, Moore's Creek (head of creek, 3-4 mi e of Angwin's) 518 Comment
  UCD170662  Epilobium minutum 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  JEPS38215  Epilobium torreyi Willis L. Jepson 1893-6-26 14409 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  JEPS103963  Equisetum laevigatum Jake Ruygt 1979-4-17 519 Napa .2 mile west of Napa River on Oak Knoll Avenue 10 Comment
  UCD167052  Equisetum laevigatum Jake Ruygt 1991-5-11 2663 Napa Scott's Flat, Aetna Mine Road. 481 Comment
  RSA769189  Eragrostis hypnoides L. Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  UCD20707  Eragrostis hypnoides Mark Bibbo 2002-7-28 77 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  RSA140853  Eremocarpus setiger John H. Thomas 1960-8-29 8836 Napa About 1 mile north of Calistoga along highway number 53. Comment
  JEPS7802  Ericameria arborescens Peter H. Raven 1951-8-20 3857 Napa near Lokoya 548 Comment
  UCD131309  Ericameria arborescens George Field 1966-1-8 s.n. Napa 1/2 miles west of Angwin. 487 Comment
  JEPS106944  Erigeron biolettii Jake Ruygt 1981-7-8 1059 Napa near upper Bateman Creek 670 Comment
Read comments
Jan 14 2009
  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
  JEPS122688  Erigeron foliosus var. foliosus Jake Ruygt 1981-7-23 1082 Napa West of Berryessa Peak. Quad: Brooks. Comment
  JEPS106947  Erigeron foliosus var. franciscensis Jake Ruygt 1990-6-9 2589 b Napa Arrowhead Mountain 228 Comment
  JEPS106942  Erigeron greenei Jake Ruygt 1997-7-5 3873 Napa Sugarloaf Peak, west of Spanish Flat. 574 Comment
  UCD164737  Erigeron greenei Jake Ruygt 2014-6-23 6012 Napa Sutro Ranch southeast, Atlas Peak. 731 Comment
  UCD164757  Erigeron philadelphicus var. philadelphicus Jake Ruygt 2014-5-24 5957 Napa Pope Creek, Pope Canyon. 148 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
  UCD63172  Erigeron reductus var. angustatus Jake Ruygt 2007-7-1 5247 Napa West of Hwy 29, near Lake County line. 464 Comment
  UC917215  Eriodictyon californicum M. R. Wanzer 1948-5-16 16 Napa 12.5 mi w Winters (Putah Canyon); Putah Canyon Comment
  UCD119296  Eriodictyon californicum Andreas Stohr 1996-4-21 2 Napa Along Road 128. 180 Comment
  UCD148826  Eriodictyon californicum Ellen Dean; Diana Hickson 2014-4-29 8131 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD164480  Eriodictyon californicum J. A. Johnston 1995-5-19 26 Napa Found alongside fire road at Quail Ridge, off of Hwy 128 approximately 1.5 miles west of Markley Cove on Lake Berryessa. Comment
  POM196472  Eriogonum dasyanthemum J. T. Howell 1927-8-23 3042 Napa Chiles Valley 213 Comment
  RSA491730  Eriogonum dasyanthemum James L. Reveal 1987-6-7 6404 Napa Along California Highway 128 between Winters and Rutherford, 5.5 miles southeast of Moskowite Corner, about 11 airline miles northeast of Napa and South of Lake Berryessa. 244 Comment
  SBBG1475  Eriogonum dasyanthemum J. M. Tucker 1941-9-20 394 Napa Putah Cyn, Vaca Range Comment
  SBBG28195  Eriogonum dasyanthemum S. G. Stokes 1933-8-27 91 Napa upper part of Sage Valley, near Chiles School, Napa Mtns Comment
  CAS-BOT-BC266055  Eriogonum luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC266060  Eriogonum luteolum John Thomas Howell 1933-8-27 11653 Napa Chiles Valley, Napa Range Comment
  CAS-BOT-BC266066  Eriogonum luteolum Susan G. Stokes 1933-8-27 81 Napa Sage Canyon, Napa Mountains Comment
  CAS-BOT-BC266063  Eriogonum luteolum John Thomas Howell 1929-10-26 4535 Napa Flood plain of creek 1 mile NW of Calistoga Comment
  JEPS110761  Eriogonum luteolum var. luteolum Jake Ruygt 1980-6-22 938 Napa .1 mile north of Snell Valley Rd. on Butts Canyon Rd. 204 Comment
  JEPS110790  Eriogonum luteolum var. luteolum Jake Ruygt 1984-6-23 1572 Napa Hwy 29 near Lake Co. line: Detert Reservoir quad 502 Comment
  UC535076  Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 81 Napa Sage Canyon Napa Mountains, Sage Canyon Comment
  UC535082  Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 80 Napa Sage Canyon Napa Mountains, Sage Canyon Comment
  UC912829  Eriogonum luteolum var. luteolum Lewis S. Rose 1939-8-20 39357 Napa 6 mi e Rutherford; Chiles Creek Canyon 213 Comment
  UC419722  Eriogonum luteolum var. luteolum Mrs. H. P. Bracelin 1930-10-19 109 Napa near entrance to (Conn Creek) Sage Canyon Comment
  UCD164783  Eriogonum luteolum var. luteolum Jake Ruygt 1990-6-2 2571 Napa Sulphur Canyon. 231 Comment
  UCD164823  Eriogonum luteolum var. luteolum Jake Ruygt 2012-9-15 5876 Napa South of Spanish Valley. 347 Comment
  JEPS56601  Eriogonum nudum var. auriculatum Willis L. Jepson 1903-9-6 2348 Napa St. Helena Comment
  UCD164788  Eriogonum nudum var. auriculatum Jake Ruygt 2004-6-26 4625 Napa Skyline Park near Sugarloaf Peak. 411 Comment
  CAS-BOT-BC124287  Eriogonum nudum var. nudum Susan Gabriella Stokes 1933-8-27 88 Napa Near Chiles Valley, Napa Range Comment
  UCR43200  Eriogonum nudum var. nudum L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  CAS-BOT-BC271624  Eriogonum nudum var. oblongifolium H. E. McMinn 1922-6-8 201 Napa Pope Canyon Comment
  JEPS56611  Eriogonum nudum var. oblongifolium Willis L. Jepson 1893-9-23 20992 Napa above Calistoga; Upper Napa Valley, Napa River Basin Comment
  JEPS110856  Eriogonum umbellatum var. bahiiforme Jake Ruygt 1980-6-21 935 Napa Bear Valley 621 Comment
  SBBG28227  Eriogonum vimineum S. G. Stokes 1933-8-27 60 Napa Sage Cyn, Napa Mtns Comment
  JEPS41069  Eriogonum vimineum Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9106 Napa 1 mi n, along Devilhead Road Zim Zim Creek (about 3 mi sw of Knoxville) 487 Comment
  CAS-BOT-BC298510  Eriophyllum confertiflorum John Thomas Howell 1941-6-21 16313 Napa Hills SW of St Helena Comment
  JEPS106951  Eriophyllum confertiflorum Jake Ruygt 1991-6-1 2711 Napa Mt. St. John, fire trail 502 Comment
  UCD15493  Eriophyllum lanatum Fred Tulley 1984-4-28 7 Napa State Rte 29, about 5 miles north of Calistoga. 243 Comment
  CAS-BOT-BC301054  Eriophyllum lanatum var. achilleoides Peter H. Raven 1951-5-6 2817 Napa 4 miles Conn Dam from Rutherford 91 Comment
  POM315944  Eriophyllum lanatum var. achilleoides Patricia Wilder 1965-6-9 3602 Napa Franz Valley School Road, ca. 1.1 mile N of road to Petrified Forest 183 Comment
  RSA195303  Eriophyllum lanatum var. achilleoides Gilbert Muth 1967-5-17 669 Napa Oat Hill Road, Calistoga 244 Comment
  SFV5089  Eriophyllum lanatum var. achilleoides B. C. Templeton 1957-6-27 s. n. Napa Calistoga. Near Hill and Connors ranches. Comment
  UC1051754  Eriophyllum lanatum var. achilleoides Helen K. Sharsmith 1953-6-15 4185 Napa se slope of Cappell Valley just w of junction of Cappell Valley <road> and Monticello road; Cappell Valley 274 Comment
  JEPS106526  Erodium botrys Jake Ruygt 1979-5-19 608 Napa Giles-Mead Ranch 481 Comment
  JEPS61367  Erodium botrys W. L. Jepson 1923-4-29 9884 Napa St. Helena 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
  UCD41464  Erodium botrys Ellen Dean; Deborah Canington 2003-3-1 1361 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
  JEPS17447  Eryngium aristulatum var. aristulatum W. L. Jepson 1893-9-25 14268 Napa Yountville Comment
  JEPS17418  Eryngium aristulatum var. aristulatum Willis L. Jepson 1893-9-25 14269 Napa Napa City rd. to Suscol House, within ca. 2 mi. of Suscol House, Lone Tree Farm Napa River Basin, Suscol Hills, Lone Tree Farm Comment
  UC626482  Eryngium aristulatum var. aristulatum Wilhelm N. Suksdorf 1913-7-24 647 Napa in the neighborhood s.e. Napa Comment
  UC21007  Eryngium articulatum Willis L. Jepson 1894-1 Napa near Napa R. St. Helena; Napa R. Basin, St. Helena Comment
  UCD164729  Eryngium jepsonii Jake Ruygt 2014-7-7 6023 Napa Pope Canyon Road at large vernal marsh. 187 Comment
  UC1784218  Eryngium pinnatisectum Ethel Crum 1930-7-13 812 Napa near Calistoga Comment
  UCD114994  Erysimum capitatum var. capitatum W. M. Grannell 1950-4-27 2 Napa Putah Canyon. Comment
  UCD74392  Erysimum capitatum var. capitatum Jake Ruygt 1995-5-8 3473 Napa 1.5 miles south of boatramp on Sage Canyon Rd. Taylor's. 402 Comment
  SEINET8274779  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
  RSA450311  Erythronium californicum J. C. Roos 1938-4-4 1632 Napa Pacific Union College, Angwin. Comment
  CAS-BOT-BC402790  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Martley Canyon on Hwy 128 Comment
  CAS-BOT-BC402793  Eschscholzia caespitosa Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  UCD159938  Eschscholzia caespitosa Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  CAS-BOT-BC402796  Eschscholzia caespitosa John Thomas Howell 1931-4-2 6096 Napa 9 miles from Monticello on road to Napa, Napa Range Comment
  UC796476  Eschscholzia caespitosa Ira L. Wiggins 1949-4-30 12078 Napa about 2.5 mi from Calistoga (ridge along old road between Calistoga and) Comment
  UCD34213  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Napa County, Markley Canyon on Hwy 128. Comment
  OBI11795  Eschscholzia californica R. L. Hoover 1968-4-20 55 Napa In field NE of jctn of Aetna Springs, Pope Valley, and Butts Cyn Rds Comment
  UCD73445  Eschscholzia californica 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
  UCD94056  Eschscholzia californica Shannon M. Still 2006-3-23 63 Napa California. Napa County: Field to north side of Snell Valley Road just past the intersection with Walker Road. 180 Comment
  CAS-BOT-BC5900  Eschscholzia formosa Charles Fuller Baker 1903-4-20 2614 Napa Mount St. Helena Comment
  JEPS129127  Eucalyptus tereticornis Jake Ruygt 2001-3-21 4297 Napa Napa River on the east side of the oxbow, Napa. Napa 7.5' Quad. Comment
  JEPS106423  Euphorbia crenulata Jake Ruygt 1987-3-14 1928 Napa Conn Dam, old city park 97 Comment
  UC447262  Euphorbia crenulata C. F. Baker 1903-4-20 2615 Napa Mt. St. Helena Comment
  JEPS106419  Euphorbia spathulata Jake Ruygt 1989-5-9 2315 Napa American Canyon, Avilla Ranch 85 Comment
  UCD170155  Euphorbia spathulata Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 783 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 423 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
  RSA10686  Euphorbia spathulata C. B. Wolf 1928-5-3 1801 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  CAS-BOT-BC312174  Eurybia radulina Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville Comment
  JEPS104531  Eurybia radulina Jake Ruygt 1996-7-13 3766 Napa White Cliff Springs, Soda Valley (Soda Spring). 341 Comment
  UC126550  Eurybia radulina Harley P. Chandler Sep 7 1906-Sep 14 1906 7126 Napa Howell Mountain, Alta Loma Ranch 487 Comment
  CAS-BOT-BC459213  Euthamia occidentalis Peter H. Raven 1952-9-14 5179 Napa 2.5 mi. E of Yountville 121 Comment
  UC1093971  Euthamia occidentalis H. L. Mason 1923-10-6 771 Napa Suisan Marsh Comment
  JEPS122944  Festuca arundinacea Jake Ruygt 1982-5-19 1276 Napa Tubb's Lane, Calistoga. Quad: Calistoga. Comment
  HSC9846  Festuca californica C. B. Wolf 1928-5-3 1815 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  JEPS122942  Festuca californica Jake Ruygt 1983-5-8 1458 Napa Skyline Park. Quad: Mt. George. Comment
  UCD149700  Festuca californica Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD19336  Festuca californica M. A. Bibbo; E. Dean 2001-7-6 28 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, along upper road by powerline, ca. 0.4 air miles from jct of W and E roads, on steep N facing slope. 274 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
  UCD65906  Festuca californica subsp. californica M. Wiesendanger 1927-5-4 700 Napa Monticello, Napa Road. Comment
  UCD65909  Festuca californica subsp. californica W. E. Wood 1928-4-15 Napa Along road from St. Helena to Pacific Union College. Comment
  CAS-BOT-BC282493  Festuca elmeri Peter H. Raven 1952-5-31 4157 Napa Rector Dam 152 Comment
  SD180623  Festuca idahoensis Beecher Crampton 1965-5-13 7328 Napa South end of Chiles Valley on highway 128 Comment
  CAS-BOT-BC278836  Festuca occidentalis Peter H. Raven 1952-5-26 4052 Napa Howell Mt., (e. side) 304 Comment
  CAS-BOT-BC279009  Festuca rubra Peter H. Raven 1952-5-31 4152 Napa W. of Rector Dam 182 Comment
  SEINET10508611  Festuca tracyi Joseph P. Tracy 1902-5-15 Tracy 1479 Napa Head of Moore's Creek, 3-4 mi. E. of Angwin's Howell Mt. Comment
  RSA181404  Filago gallica James I. McMurphy 1910-6-7 s.n. Napa Between Napa Junction and Petaluma Comment
  CAS-BOT-BC437056  Fragaria vesca subsp. bracteata Alice Eastwood 1918-5-1 6824 Napa Mt. St. Helena Comment
  CAS-BOT-BC53521  Frangula californica subsp. tomentella Cornelia S. Masters 1915-6-15 s.n. Napa Mountains of Napa Co. Comment
  HSC43995  Fraxinus dipetala Robert M. Specht 1977-4-11 623 Napa NE slope above Pocock Creek 512 Comment
  UCD122027  Fraxinus dipetala Robert C. Bechtel 1952-4-20 69 Napa Samuel Springs, 7 miles northwest of Monticello. 91 Comment
  CAS-BOT-BC223531  Fraxinus latifolia John Thomas Howell 1926-3-21 1713 Napa St. Helena Creek near Pattens 609 Comment
  JEPS122729  Fraxinus latifolia Jake Ruygt 1987-4-28 1965 Napa 0.9 miles north of Trancas Street on Silverado Trail. Quad: Napa. Comment
  CAS-BOT-BC205884  Fremontodendron californicum Agnes M. Bowman 1902-4-20 s.n. Napa Road to Knoxville Comment
  CAS-BOT-BC205888  Fremontodendron californicum Herbert L. Mason 1935-5-30 10009 Napa Four miles north of Knoxville Mines Comment
  UC545809  Fremontodendron californicum Herbert L. Mason 1935-5-30 10009 Napa 4 miles north of Knoxville Mines Comment
  UCD40901  Fremontodendron californicum Katherine Countrey 1983-5-29 21 Napa On Knoxville-Berryessa Raod, 5 miles northwest of Knoxville, on north side of road. 365 Comment
  CAS-BOT-BC130072  Fritillaria affinis E. Crum 1936-3-15 1740 Napa [Butte's] Butts Canyon, Pope Valley-Middletown Road Comment
  JEPS61899  Fritillaria affinis Willis L. Jepson 1893-4-28 14825 Napa n of Wooden Valley Grade (Napa Mountains, Napa River Basin, Milliken Creek); Napa Mountains, Napa River Basin, Milliken Creek Comment
  UCD139705  Fritillaria pluriflora Robert E. Preston 1988-4-10 585 Napa ca. 0.3 mile SE of the confluence of Putah and Hunting Creeks. 304 Comment
  CAS-BOT-BC130486  Fritillaria purdyi Mrs. M. Ackley 1965-4-1 s.n. Napa Hills w. of Aetna Springs Comment
  UC699685  Fritillaria purdyi Basil Bowers 1941-6-18 378 Napa e of Calistoga (n of point where Old Mine Road crosses summit, Palisades); Palisades 762 Comment
  UCD169862  Fritillaria purdyi Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 796 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 446 Comment
  UCD162118  Fritillaria recurva Dylan O. Burge 2014-3-15 1496 Napa Mount Saint Helena. 640 Comment
  JEPS5214  Fritillaria recurva W. L. Jepson 1924-4-27 10375 Napa e side of Mount St. Helena Mount St. Helena Comment
  POM169613  Fritillaria recurva H. P. Chandler 1907-3-6 7503 Napa Reservoir. St. Helena Comment
  UCD110457  Galium Christopher Mallek 2008-1 KX2- 18 Napa Knoxville. 593 Comment
  UCD121558  Galium andrewsii Sergio Lailhacar 1974-4-13 8 Napa 3.9 miles northeast of Pope Canyon Road and Chiles Valley Road intersection. 243 Comment
  SEINET12329996  Galium andrewsii F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -315 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  UC28176  Galium aparine Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin 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
  UCD49241  Galium aparine Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 3 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just N of jct with Cut-Off Rd., near dilapidated buildings. 152 Comment
  UCD23388  Galium aparine Ann Biglieri 1977-4-16 8 Napa Near Highway 128, 6.4 miles by road SSW of Monticello Dam. 182 Comment
  UCSB9839  Galium aparine Keator, Glenn 1959-3-28 Napa About 1.5 miles S from Conn's Picnic Area in Lake henessy Area 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
  UCSB24071  Galium mexicanum subsp. asperulum James, C. 1966-4-24 Napa Junction of State Highway 12 & 121 and Foster Road, west of Napa Comment
  UCD49251  Galium murale M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 3 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines, 150 ft. W of lat./long. position. 335 Comment
  UCD13187  Galium nuttallii J. R. Clark 1976-4-11 7 Napa Napa City, 4 mi N of junction of rds 121 and 128, along 128, upslope from road. Comment
  UCD121896  Galium porrigens G. F. Hrusa; G. L. Stebbins 1994-4-14 11778 Napa Butts Canyon, 4 m. N Pope Valley. Along Butts Creek. 200 Comment
  CDA11899  Galium porrigens var. porrigens G. F. Hrusa, G. L. Stebbins 1994-4-8 11724 Napa North Coast Biodiversity Arena; approx. 1/2 mile above Aetna Springs resort. Comment
  UC1122625  Garrya congdonii B. Schreiber 1936-9-20 2353 Napa 5 mi s Reiff; Reiff Quad. 762 Comment
Read comments
Jan 14 2009
  JEPS66757  Garrya flavescens W. L. Jepson 1936-2-8 17400 Napa Adam and Eve Ridge; Howell Mt. Comment
  POM195578  Garrya flavescens subsp. pallida H. P. Bracelin 1930-3-23 s.n. Napa Flanks of Mt. St. Helena, 1.5 miles southeast of Mt. St. Helena. Comment
  CAS-BOT-BC144380  Garrya fremontii H. E. McMinn 1925-1-23 1363 b Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC144383  Garrya fremontii H. E. McMinn 1923-5-25 961 a Napa Summit Wooden Valley Grade. Road to Napa. Comment
  CAS-BOT-BC144386  Garrya fremontii H. L. Mason 1925-1-22 1201 Napa Wooden Valley Grade Comment
  JEPS66734  Garrya fremontii Willis L. Jepson 1893-1 14159 Napa summit of Mt. St. Helena; Napa River Basin Comment
  UC1618117  Garrya fremontii Donald G. Nelson 1940-8-7 703 Napa about 1 mi nw Knoxville (on road to Clear Lake) Comment
  CAS-BOT-BC159265  Garrya veatchii M. S. Jussel 1902-4-10 s.n. Napa St. Helena, 10 miles N.E. Cliff Spring Comment
  JEPS122938  Gastridium phleoides Jake Ruygt 1982-5-15 1264 Napa Soda Canyon, west of the grade. Quad: Yountville. Comment
  UCD18136  Gastridium phleoides Jean Shepard; with PLB 102 class 2000-4-29 186 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
  UCD66712  Gastridium phleoides K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  UC187227  Gastridium ventricosum Joseph P. Tracy 1905-7-5 2212 Napa head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's, Howell Mountain); Northern Coast Ranges, head of Moore's Creek 365 Comment
  CAS-BOT-BC208041  Genista monspessulana M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  JEPS106708  Geranium molle Jake Ruygt 1986-3-22 1666 Napa Vaca Mountains, east of Markley Cove Resort 304 Comment
  RSA0028547  Geranium molle A. C. Sanders 1996-6-1 18195 Napa Napa: southeast edge of town at Skyline Park, east end of Imola Road East. 91 Comment
  UCD23414  Geranium molle Rebecca L. Moehlmann 1977-4-16 21 Napa Small purple flowers, notched petal. Pubescence both leaf surfaces. Foothill woodland with blue oak, digger pine. East side of Highway 128, 6.4 miles by road SSW of Monticello Dam. Wragg Canyon. 182 Comment
  UCD167222  Gilia achilleifolia subsp. multicaulis Jake Ruygt 2003-5-5 4513 Napa Knoxville Wildlife Area, near southwest corner. 274 Comment
  SEINET233344  Gilia capitata Hilary Jane Ernst 1981-5-24 75 Napa Sage Canyon Road base of Conn Dam 1.2 mi E of intersection with the Silverado Trail 73 Comment
  UCD68047  Gilia capitata Ryan M. Ross 1976-5-16 41 Napa On Road 121, approximately 6.8 miles South of Road 128. Found in chaparral plant association, on roadside embankment, on loamy clay soil, with partial sunlight. Flowers, corolla and anthers powder blue, calyx light green-white. 335 Comment
  UC914293  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-4 7968 Napa wooded canyon ca 8 mi ne Vichy Springs (on Monticello Road, Mayacama Mountains); Mayacama Mountains, ne of Vichy Springs Comment
  UC1182810  Gilia capitata subsp. capitata A. R. Kruckeberg 1949-7-22 S- 134 Napa Comment
  UC932033  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-3 7964 Napa ca 2-3 mi from Knight's Valley (on w slope of Mt. St. Helena); w slope Mt. St. Helena, ca 2-3 mi from Knight's Valley Comment
  NY336855  Gilia heterodoxa C. C. Parry 1881-1 180 Napa Comment
  UCD117953  Gilia tricolor Everett H. Everson 1951-4-8 22 Napa 4.8 miles southwest of Monticello, beside road to Napa. Comment
  JEPS110964  Gilia tricolor subsp. diffusa Jake Ruygt 1977-3-14 155 Napa 2.2 miles north of Silverado Trail on Soda Canyon Rd. 121 Comment
  JEPS110962  Gilia tricolor subsp. tricolor Jake Ruygt 1994-3-15 3321 Napa Chiles Canyon Road about 1 mile from Chiles Valley 353 Comment
  UC23857  Gilia tricolor subsp. tricolor Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin Comment
  UCD167229  Gilia tricolor subsp. tricolor Jake Ruygt 1987-3-19 1933 Napa Milliken Canyon near east end of pipeline. 134 Comment
  UCD161366  Githopsis diffusa subsp. robusta Jake Ruygt 1989-4-22 2277 Napa Napa County : About 1/2 mile south of Monticello Dam on Vaca Mountains. (Coordinates estimated by label maker at UC Davis). 432 Comment
  SEINET7072768  Githopsis pulchella A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  UCD47962  Githopsis specularioides Robert Wolfson; J. Westbrook, M. Disney, S. Ratay, A. Houser, S. Wathen 2000-4-22 36 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles south of Berryessa-Knoxville Rd. along east side of Devilhead Rd. 1st ridge south of Devilhead Rd. 518 Comment
  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
  CDA5877  Gnaphalium californicum R. Lawley 1958-4-11 Napa St. Helena Highway. 0 Comment
  CDA34653  Gnaphalium luteoalbum L. Ahart 2009-10-12 16421 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  CAS-BOT-BC303339  Gnaphalium palustre Peter H. Raven 1951-10-28 3942 Napa Conn Lake 152 Comment
  JEPS110683  Gratiola ebracteata Jake Ruygt 1996-5-19 3714 Napa West of Barnett Road near Burton Creek, (Peju Pr)Pope Valley. 201 Comment
  CAS-BOT-BC304887  Grindelia hirsutula J. T. Howell 1932-10-8 s.n. Napa Napa river marshes Comment
  CAS-BOT-BC304899  Grindelia hirsutula Peter H. Raven 1953-10-4 6365 Napa Duttons Landing 0 Comment
  CAS-BOT-BC304900  Grindelia hirsutula J. T. Howell 1932-10-8 10804 Napa Napa River Comment
  CAS-BOT-BC304903  Grindelia hirsutula John Thomas Howell 1929-8-4 4361 A Napa Flood bed of Pope Creek, one mile below Samuels Springs, Napa Range Comment
  CAS-BOT-BC304906  Grindelia hirsutula Peter H. Raven 1952-5-31 4130 Napa Summit of hills s.w. of Rector Canyon 304 Comment
  POM359073  Grindelia hirsutula Peter H. Raven 1965-5-15 20200 Napa 4 miles S of junction of State Hwy 128 on State Hwy 121, near Capell Valley. Comment
  UC32146  Grindelia hirsutula Willis L. Jepson 1894-4-30 Napa Rebecca Ranch <gra??> Napa River Basin, Rebecca Ranch grade Comment
  JEPS120421  Grindelia hirsutula Jake Ruygt 2010-8-14 5714 Napa Berryessa Estates picnic area adjacent to Putah Creek at junction with Butts Cr. Comment
  UC608853  Guillenia flavescens Beryl O. Schreiber 1938-4-24 2500 Napa 0.25 mi nw Knoxville; Reiff Quad. 609 Comment
  UCD170160  Harmonia hallii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 778 Napa Knoxville Wildlife Area, near top of ridge above and west of Berryessa-Knoxville Road 555 Comment
  CAS-BOT-BC302216  Harmonia nutans Barbara Ertter; Jeffrey Strachan 1980-5-9 3330 Napa Los [Las] Posadas State Experimental Forest on Howell Mountain 1-2 mi east of Angwin 548 Comment
  CAS-BOT-BC302239  Harmonia nutans H. M. Hall 1931-5-26 13087 Napa West side Napa Range, on Sarco Creek Comment
  JEPS122708  Harmonia nutans Jake Ruygt 1998-6-8 4018 Napa Meas Ranch, slope overlooking Soda Canyon. Quad: Yountville. Comment
  JEPS122757  Harmonia nutans Jake Ruygt 2001-3-24 4298 Napa Yountville Hills. Quad: Rutherford. Comment
  JEPS29584  Harmonia nutans Rimo Bacigalupi, and L. Heckard 1962-4-16 8441 Napa 4.5 mi n junction of Atlas Mtn. road and Monticello road (Calif. 37) (along Atlas Peak road on grade leading up to Milliken Canyon Reservoir turn-off) 304 Comment
  UC761806  Harmonia nutans R. F. Hoover 1941-4-27 4944 Napa rocky hill near Yountville Comment
  JEPS106642  Helenium bigelovii Jake Ruygt 1979-7-21 759 Napa 5.5 miles north of Howell Mtn Rd. on Butts Canyon Rd. 243 Comment
  JEPS22922  Helenium bigelovii W. L. Jepson 1938-9-24 19023 Napa n of Pope Valley (in canyon of Limekiln (or James) Creek); Limekiln Creek, James Creek 304 Comment
  JEPS35542  Helenium puberulum W. L. Jepson 1936-7-6 17649 Napa Sage Canyon Napa Range, Sage Canyon Comment
  JEPS33582  Helianthella californica subsp. californica W. L. Jepson 1938-5-24 18843 Napa plateau n Four Corners; Napa Range, Howell Mtn. 883 Comment
  JEPS33581  Helianthella californica subsp. californica W. L. Jepson 1936-6-1 17595 Napa near Four Corners; Napa Range, Howell Mt. Comment
  CAS-BOT-BC314718  Helianthella californica var. californica Peter H. Raven 1953-5-2 5404 Napa Rector Dam to Foss Valley 396 Comment
  UCD161319  Helianthella californica var. californica Jake Ruygt 1979-6-3 678 Napa Deer Park Road near Four Corners. (Coordinates estimated by label maker at UC Davis). 402 Comment
  UCD82596  Helianthella californica var. californica Ellen Dean; T. Starbuck 2009-5-4 5535 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  RSA0012964  Helianthus californicus J. T. Howell 1933-8-27 11624 Napa Sage Canyon, Napa Range. Comment
  CHSC102268  Helianthus cusickii Lowell Ahart 2009-10-12 16424 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS106665  Helianthus gracilentus Jake Ruygt 1983-5-29 1477 Napa .6 miles south of Lake Co. line on Berryessa-Knoxville R 643 Comment
  UCD75846  Heliotropium curassavicum var. oculatum Jake Ruygt 1979-6-9 688 Napa 21.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R. 487 Comment
  CHSC102300  Heliotropium europaeum Lowell Ahart 2009-10-12 16433 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  UCD74367  Heliotropium europaeum Jake Ruygt 2005-6-7 4910 Napa Berryessa-Knoxville Rd. at Oak Shores headquarters. 176 Comment
  CAS-BOT-BC306142  Hemizonia congesta subsp. clevelandii H. M. Hall 1923-1-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC306150  Hemizonia congesta subsp. clevelandii Milo S. Baker 1933-9-9 7542 Napa Near Calistoga Geyser Comment
  CAS-BOT-BC309834  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1926-11-28 1576 Napa American Canon [Canyon] between Napa highway and Cordelia Comment
  CAS-BOT-BC309838  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-8-4 4354 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  CAS-BOT-BC309841  Hemizonia congesta subsp. luzulifolia Peter H. Raven 1952-6-28 4203 Napa Conn Valley 137 Comment
  JEPS40377  Hemizonia congesta subsp. luzulifolia W. L. Jepson 1938-9-24 19019 Napa canyon of James Creek; Pope Valley 304 Comment
  UCD20508  Hemizonia congesta subsp. luzulifolia E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1081 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  OBI74533  Hemizonia congesta subsp. luzulifolia David J. Keil 1986-11-8 19792 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 2.3 mi S of turnoff to Homestead McLaughlin Mine/Mill 350 Comment
  UC197527  Hemizonia congesta subsp. luzulifolia H. M. Hall 1915-8-12 10094 Napa near Napa Junction (La Eskina); Region of San Francisco Bay Comment
  UC197531  Hemizonia congesta subsp. luzulifolia H. M. Hall 1915-8-12 10097 Napa Collins San Francisco Bay Region Comment
  RSA31985  Hemizonia lutescens A. A. Heller 1941-9-22 16316 Napa Near Napa Junction. Comment
  POM298254  Hemizonia luzulifolia subsp. rudis Joseph A. Ewan 1933-9-17 7999 Napa Vacant lot in Napa, Napa Valley Comment
  POM195298  Hemizonia parryi subsp. parryi H. M. Hall 1923-10-15 11948 Napa Calistoga. Comment
  RSA32838  Hemizonia parryi subsp. parryi A. A. Heller 1941-9-22 16318 Napa Just back of the hot springs at Calistoga. Comment
  SBBG5195  Heracleum maximum H. and M. Dearing 1939-4-29 3227 Napa Conn Valley Comment
  UCD161309  Heracleum maximum Jake Ruygt 1979-4-9 495 Napa NE corner of Trefethen Vineyards, Dry Creek. (Coordinates estimated by label maker at UC Davis). 22 Comment
  UCD170292  Hesperocyparis sargentii Daniel Potter; Ninh Khuu, Kai Battenberg 2016-2-21 832 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 405 Comment
  CAS-BOT-BC167421  Hesperolinon bicarpellatum Robert F. Hoover 1938-6-8 3539 Napa Canyon of s. fork of Butts Canyon Comment
  JEPS32274  Hesperolinon bicarpellatum Jos. P. Tracy Jun 13 1899-Jun 19 1899 382 Napa Howell Mt. Comment
  POM139230  Hesperolinon bicarpellatum Katherine Brandegee 1911-6-29 s.n. Napa Butts Canyon near Aetna Springs. Comment
  SD51708  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-17 4070 Napa North of Cappell Valley road junction 3.8 miles, Steel Canyon. 305 Comment
  UC1212354  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa ridge between Butts Canyon and Pope Valley (on tributary of Pope Creek); Inner North Coast Ranges 274 Comment
  UC1212357  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4139 Napa 1.5 mi e Black Oak Villa; Inner North Coast Range, Butts Canyon 213 Comment
  UC1212368  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-1 4117 Napa on Pope Valley-Monticello road between Walter Springs and Samuel Springs (above Pope Creek); Inner North Coast Ranges 152 Comment
  UC1212370  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-17 4070 Napa 3.8 mi n Cappell Valley road junction; Inner North Coast Ranges, Steel Canyon 304 Comment
  UC1862410  Hesperolinon bicarpellatum Richard O'Donnell 2005-6-9 Napa 180 m NW of the junction of Cedar Creek and Hunting Creek Paradise Valley 270 Comment
  UCD167345  Hesperolinon bicarpellatum Jake Ruygt 2009-6-8 5430 Napa Snell Valley/ Missimer Wildflower Preserve. 213 Comment
  CAS-BOT-BC167446  Hesperolinon breweri Peter H. Raven 1951-6-26 3078 Napa S. [Cappell] Capell Valley 365 Comment
  UC1212210  Hesperolinon breweri Peter H. Raven 1951-6-26 3078 Napa Cappell Valley 365 Comment
  JEPS121521  Hesperolinon californicum Adam C. Schneider with Dick O'Donnell 2013-5-26 231 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS122842  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 219 Napa Along Pope Valley Road. Comment
  JEPS122877  Hesperolinon californicum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 618 Napa Lunch meadow site at McLaughlin Reserve Comment
  UC1212450  Hesperolinon californicum Helen K. Sharsmith 1952-6-1 4115 Napa n slope above Soda Creek (ca 2 mi se of Chiles Valley); Inner North Coast Ranges 243 Comment
  UCD169869  Hesperolinon californicum Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 804 Napa Knoxville Wildlife Area. Upper Zim Zim Ceek drainage. 432 Comment
  UCD167293  Hesperolinon californicum Jake Ruygt 1985-5-25 1606 Napa American Canyon, 0.4 miles east of Flosden Road. 137 Comment
  UC1601234  Hesperolinon clevelandii Helen K. Sharsmith 1958-11-2 4645 Napa one mi beyond Aetna Springs (w of mine road, ca 5 mi beyond town of Pope Valley); Inner North Coast Ranges 304 Comment
  UCSC009031  Hesperolinon clevelandii Dylan M. Neubauer 2015-4-26 133 Napa (NCoRI) Butts Canyon Rd, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  UC517479  Hesperolinon clevelandii John Thomas Howell 1933-6-4 11388 Napa hills e Napa Comment
  CHSC83405  Hesperolinon disjunctum L. P. Janeway; B. Castro 2002-5-12 7539 Napa Inner North Coast Ranges. Near top of ridge on northeast side of Pocock Creek along the dirt road from Devilhead Road. 536 Comment
  SD58214  Hesperolinon disjunctum W. L. Jepson 1938-6-11 19006 Napa Knoxville Ridge 730 Comment
Read comments
Jun 12 2012
  UCD149658  Hesperolinon disjunctum Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  UCD167298  Hesperolinon disjunctum Jake Ruygt 2004-5-8 4596 Napa Lone Pine Thicket on private road accessible from Devilhead Road. 633 Comment
  UC1212258  Hesperolinon micranthum Helen K. Sharsmith 1952-5-18 4079 Napa 0.5 mi n junction of Pope Valley-Monticello road w/road to Rutherford (w side of valley); Inner North Coast Ranges, Chiles Valley 243 Comment
  UC1212275  Hesperolinon micranthum Helen K. Sharsmith 1951-10-21 4040 Napa w side Chiles Valley (on road to Pope Valley); Inner North Coast Ranges 234 Comment
  UC1212413  Hesperolinon micranthum Helen K. Sharsmith 1957-5-30 4595 Napa near road from Cappell Valley to Rutherford (Soda Creek canyon); Inner North Coast Ranges, Soda Creek 213 Comment
  UC1601270  Hesperolinon micranthum Helen K. Sharsmith 1958-10-16 4616 Napa Rutherford-Monticello road Inner North Coast Ranges, Chiles Valley (w side of valley) 243 Comment
  UCD110537  Hesperolinon micranthum M. Ensign 1943-5-25 326 Napa 24 miles from Monticello on road to Lower Lake. 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
  JEPS127877  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-26 206 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road. Comment
  JEPS123294  Hesperolinon sharsmithiae David Gowen 2009-6-18 1071 Napa Pope Canyon Road, west of where Maxwell Creek enters Pope Creek. Comment
  UC168967  Heterocodon rariflorum Joseph P. Tracy 1905-7-6 2226 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  JEPS11808  Heterocodon rariflorum W. L. Jepson 1936-7-1 17630 Napa below Four Corners (Howell Mt); Napa Range, Howell Mt. Comment
  JEPS45021  Heteromeles arbutifolia W. L. Jepson Nov 26 1895-Nov 27 1895 13824 Napa St. Helena , Napa River (Stone Bridge, Napa River) Comment
  SEINET265722  Heteromeles arbutifolia Royal D. Suttkus 1967-6-26 67- 30 -10 Napa Clearly Reserves 7.2 miles NW of Pope Valley Comment
  UC1198754  Heteromeles arbutifolia J. P. Tracy 1899-7-4 377 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 518 Comment
  RSA518726  Heterotheca oregona var. compacta Barbara Ertter, E. Neese 1988-10-2 7949 Napa Lake Hennessey, ca. 15 airmiles NNW of Napa, on Conn Crk in North Coast Ranges. 91 Comment
  UC1999862  Heterotheca oregona var. oregona J. C. Semple, S. Heard 1986-8-20 8566 Napa Just N of Calistoga on CA-29m, 15.3 km SW of Lake county line. Comment
  UC11351  Heuchera micrantha var. erubescens Willis L. Jepson 1893-5-8 Napa Howell Mt; Napa River Basin Comment
  CAS-BOT-BC312333  Hieracium albiflorum Peter H. Raven 1950-6-20 2347 Napa Napa Range between Conn Valey and Howell Mtns. Comment
  UCD133136  Hieracium albiflorum K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  UC735727  Hirschfeldia incana Charles B. Heiser Jr 1947-5-17 1910 Napa near St. Helena Comment
  UC764637  Hoita macrostachya R. F. Hoover 1941-8-24 5573 Napa Mt. St. Helena; e side Comment
  JEPS65628  Hoita macrostachya Willis L. Jepson 1901-8-6 1734 Napa Howell Mt. Napa River Basin Comment
  RSA92930  Holodiscus discolor Peter H. Raven 1951-8-19 3850 Napa Near Lokoya. 488 Comment
  JEPS106644  Holozonia filipes Jake Ruygt 1992-7-4 3067 Napa Johnson Meadow,Wild Horse Valley Ranch 420 Comment
  UCR224885  Hordeum brachyantherum Ellen Dean, Kate F. Mawdsley 2010-4-30 5944 A Napa Valley Gate Vineyard, lands near intersection of Hwy 12 and Kirkland Ranch Road 72 Comment
  JEPS76119  Hordeum brachyantherum subsp. brachyantherum W. L. Jepson 1938-6-8 18893 Napa South Fork Butts Creek , Butts Canyon (Butts Canyon) Comment
  CAS-BOT-BC284999  Hordeum depressum Peter H. Raven 1957-5-5 10752 Napa Calistoga 91 Comment
  UCD85635  Hordeum depressum R. Tofsrud 1949-4-1 s.n. Napa Calistoga. Myrtledale Hot Springs. Comment
  UC187092  Hordeum marinum subsp. gussoneanum Joseph P. Tracy 1903-5-18 1855 Napa Calistoga Hot Springs Northern Coast Ranges, Calistoga Hot Springs 91 Comment
  UCD85829  Hordeum marinum subsp. gussoneanum Beecher Crampton 1956-5-25 3468 Napa Between Wragg Canyon and southeastern Capell Valley. 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
  UC650397  Hordeum murinum subsp. leporinum Ira L. Wiggins 1928-3-25 2881 Napa roadside 1 1/2 mi ne Calistoga Comment
  UCD18150  Hordeum murinum subsp. leporinum Jean Shepard; with Plant Biology 102 class 2000-4-29 204 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
  JEPS44532  Horkelia californica subsp. dissita Willis L. Jepson 1893-9-24 1214 p Napa Howell Mt.Napa River Basin, Angwin's Meadows Comment
  UCD106054  Hosackia crassifolia Beecher Crampton 1965-6-30 7423 Napa Solano-Napa Counties, Vaca mountains, Mt. Vaca. 859 Comment
  RSA97626  Hypericum androsaemum P. H. Raven 1950-6-27 2436 S Napa N. side of Lake Van Norden. Comment
  JEPS66798  Hypericum concinnum Alice King July, 1919 Napa Mt. St. Helena, Van Ness ranch Comment
  UC1537661  Hypericum concinnum Gordon H. True Jr. 1937-6-21 741 Napa near Lokoya Lodge near Lokoya Lodge 365 Comment
  CAS-BOT-BC410807  Hypericum concinnum John Thomas Howell 1926-10-3 2207 Napa Near top of Mt. St. Helena 1066 Comment
  CAS-BOT-BC410809  Hypericum concinnum Rimo Bacigalupi 1928-6-20 1870 Napa Howell Mt 10 miles E of St Helena Comment
  CAS-BOT-BC410812  Hypericum concinnum Alice Eastwood 1923-5-9 11741 Napa Hills above Calistoga Comment
  UCSB4123  Hypericum concinnum Chisaki, Francia; Kamb, Peter 1950-6-9 Napa Road to Monticello; about 20 miles south of Lower Lake Comment
  UCD138720  Iris fernaldii Collector Unknown 1935-5-5 s.n. Napa near Petrified Forest, Calistoga. Comment
  RSA135896  Iris fernaldii E. K. Balls, Lee W. Lenz 1952-5-8 17119 Napa Troutdale Creek, Highway 29, 1.4 miles south of Lake County line Comment
  SEINET4170695  Iris fernaldii Unknown 1969-5-24 Napa End of Capell Valley W. of Lake Berryessa. 198 Comment
  UC1134711  Iris macrosiphon A. Lewis 1932-5-18 98 Napa Dry Creek; Napa Quad. 152 Comment
  UCD71275  Iris macrosiphon Kook-Hyun Chung 2001-4-28 4 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; Along West Road, Ca. 0.45 miles(2400ft) NW of jct with South Decker Canyon Road; down slope of road ca. 20 m, shady area in interior live oak woodland; flower cream-yellow, perennial 242 Comment
  UC917188  Iris macrosiphon C. G. Baughn 1949-4-24 27 Napa 4 mi nw Cordelia (State Highway 12) Comment
  JEPS122771  Isatis tinctoria Jake Ruygt 2011-5-14 5785 Napa Chiles-Pope Valley Road near old barn. Quad: Chiles Valley. Comment
  JEPS103969  Isoetes nuttallii Jake Ruygt 1990-5-5 2523 Napa Wild Horse Valley Ranch 502 Comment
  JEPS79459  Isoetes nuttallii Edward Lee with A. Carter and E. Crum 1936-3-15 1813 Napa 10.7 mi. out of Rutherford (Rutherford-Pope Valley rd.) Comment
  RSA170232  Isoetes nuttallii Joseph P. Tracy 1950-5-23 18659 Napa La Jota Plateau, on hills at head of Moore s Creek, 5 miles east of Angwin s, Howell Mountain. 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
  UC666678  Juglans californica var. hindsii H. S. Reed 1938-6-11 163 Napa Oakville 243 Comment
  CAS-BOT-BC102316  Juglans hindsii Carl B. Wolf 1930-11-3 1800 Napa On the Munson Ranch, Napa Range, above Wooden Valley 304 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
  UC1601693  Juncus bufonius W. L. Jepson 1896-1 Napa near St. Helena; Napa Valley Comment
  UCD149577  Juncus bufonius var. congestus Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  JEPS122674  Juncus capitatus Jake Ruygt 1992-5-7 2939 Napa NW of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mt. George. Comment
  JEPS75646  Juncus effusus subsp. pacificus W. L. Jepson 1936-6-1 17578 Napa w side Four Corners; Napa Range, Howell Mt. 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
  CAS-BOT-BC110169  Juncus luciensis Peter H. Raven 1951-6-10 2934 Napa Crater Region east of Palisades. 762 Comment
  JEPS126058  Juncus occidentalis Jake Ruygt 2006-6-3 5047 Napa Las Posadas State Forest north of Fire Station. Saint Helena 7.5' Quad. Comment
  UC1601770  Juncus occidentalis J. Burtt Davy 1894-9-29 740 Napa Calistoga Comment
  UC1103058  Juncus oxymeris Joseph P. Tracy 1899-6-11 351 Napa 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Head of Moores Creek 365 Comment
  RSA40264  Juncus patens L. S. Rose 1946-8-18 46264 Napa 3 miles NE of Napa. 61 Comment
  JEPS122665  Juncus phaeocephalus var. phaeocephalus Jake Ruygt 1982-5-4 1224 Napa Suscol plain, between Kaiser and Highway 29 (Rocktram). Quad: Napa. Comment
  UCD19339  Juncus xiphioides M. A. Bibbo; E. Dean 2001-7-6 32 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 2.6 air miles from jct. with S Decker canyon rd. In dry creek drainage just W of rd. 228 Comment
  UCD167059  Juniperus occidentalis Jake Ruygt 1998-6-24 4057 Napa Taylor Bluff, Blue Ridge. 743 Comment
  JEPS10863  Keckiella lemmonii Alice King Jul 1919 Napa Mt. St. Helena; Van Ness ranch Comment
  JEPS76081  Koeleria macrantha W. L. Jepson 1938-5-20 18808 Napa above St. Helena Sanitarium Howell Mountain (above vineyard of John Ballentine); , above St. Helena Sanitarium Comment
  JEPS76091  Koeleria macrantha W. L. Jepson 1938-5-24 18845 Napa Plateau n of Four Corners Howell Mountain (Napa Range); , Howell Mountain 762 Comment
  CAS-BOT-BC499196  Kopsiopsis strobilacea Eva Holmes 1929-5-27 s.n. Napa Napa Comment
  CAS-BOT-BC26054  Lagophylla dichotoma subsp. minor David D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring. Comment
Read comments
Mar 3 2018
  UC175970  Lagophylla minor J. P. Tracy 1902-5-22 1621 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 365 Comment
  UCD35856  Lagophylla minor Beecher Crampton 1965-5-13 7331 Napa 11 miles E of Rutherford, State Hwy. 128. Comment
  UCD47922  Lagophylla minor K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 12 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of hilltop. 545 Comment
  CAS-BOT-BC341558  Lagophylla ramosissima L. R. Abrams 1916-7-2 5760 Napa Near St. Helena Sanitarium Comment
  JEPS129036  Lagophylla ramosissima Jake Ruygt 2016-5-28 6266 Napa Smitty Ranch, east side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCD37730  Lagophylla ramosissima Beecher Crampton 1961-9-19 5978 Napa 3 miles east of Moskowite Corner, along State Highway 128, divide between Wragg Canyon and Capell Valley. Comment
  CAS-BOT-BC341554  Lagophylla ramosissima Peter H. Raven 1951-6-26 3088 Napa Cappell valley to Wooden Valley 304 Comment
  UCD133621  Lagophylla ramosissima K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  JEPS106651  Lagophylla ramosissima subsp. ramosissima Jake Ruygt 1992-6-24 3053 Napa Tuteur Ranch, end of Green Valley Rd. 274 Comment
  UC483305  Lamium amplexicaule Ira L. Wiggins 1932-3-12 5749 Napa 1 mi n Calistoga Comment
  UCLA55484  Lamium amplexicaule Ira L. Wiggins 1932-3-12 5749 Napa 1 mi n Calistoga Comment
  CAS-BOT-BC338267  Lasthenia californica John Thomas Howell 1926-3-27 1761 Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC338269  Lasthenia californica Alice Eastwood 1918-5-2 6880 Napa Calistoga Comment
  JEPS106677  Lasthenia californica Jake Ruygt 1990-4-1 2455 Napa White Creek, Wild Horse Valley Ranch 371 Comment
  POM361516  Lasthenia californica J. T. Howell 1931-4-2 6051 Napa Wooden Valley Grade 4 miles E of Napa. Comment
  UC166655  Lasthenia californica subsp. californica J. P. Tracy 1902-5-17 1514 Napa 3-4 mi e of Angwin's Head of Moore's Creek; Howell Mountain 365 Comment
  SEINET10669273  Lasthenia californica subsp. californica John T. Middleton 1936-3-21 Middleton 75 Napa Monticello, Ca. Comment
  JEPS106672  Lasthenia conjugens Jake Ruygt 1983-5-1 1451 Napa Suscol Hill east of HWY 29 (221) 27 Comment
  UC891315  Lasthenia gracilis Alice Eastwood 1918-5-2 6880 Napa Calistoga Comment
  JEPS10173  Lasthenia gracilis W. L. Jepson 1893-5-8 Napa below Mt. Eden (e of St. Helena); Howell Mountain Comment
  RSA0018558  Lathyrus Keith E. Hoffmaster 1946-3-23 1086 Napa Napa range, along Napa-Monticello road Comment
  UCD106231  Lathyrus hirsutus John Thomas Howell 1966-6-2 41552 Napa Dry Creek Road near head of Dry Creek south west of Oakville. Comment
  CDA11433  Lathyrus torreyi G. F. Hrusa, M. Tu 1995-5-6 12156 Napa North Coast Biodiversity Arena; along Moores Creek in Las Posadas State Forest. Comment
  SEINET10576972 Image available Lathyrus vestitus subsp. puberulus George Thurber Thurber 485 Napa Comment
  UC1051670  Lathyrus vestitus var. vestitus Peter Kamb 1950-4-22 1755 Napa w side Wooden Valley (on Calif. Hwy 37) 304 Comment
  JEPS39183  Layia chrysanthemoides W. L. Jepson 1936-4-5 17415 Napa Knoxville Comment
  POM190266  Layia chrysanthemoides D. D. Keck 1931-4-3 1074 Napa 3 miles NE of Aetna Springs, northern Napa County. Comment
  UC169317  Layia chrysanthemoides Joseph P. Tracy 1902-5-26 1635 Napa near Calistoga; Northern Coast Ranges, Napa Valley 243 Comment
  UC30602  Layia chrysanthemoides Willis L. Jepson 1894-1-1 Napa Napa River Basin , Conn Valley Comment
  SEINET7042785  Layia platyglossa A. G. Vestal 1962-4-12 s.n. Napa Butts Canyon Road , 8.3 miles southeast of Route 53. Butts Canyon. Aetna Springs quadrangle UTM Zone 10, 547380mE, 4283517mN. 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
  UC1543040  Lemna trisulca Donald G. Nelson 1936-4-1 346 Napa Green Valley Falls Comment
  CDA10864  Lepechinia calycina G. F. Hrusa, M. Rejmanek 1993-5-15 10959 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD159945  Lepechinia calycina Alice Warrick 2008-4-22 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section, near top. 243 Comment
  UCD50232  Lepidium draba S. Nichol 2004-4-1 s.n. Napa east of intersections 121 and 128. 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
  RSA769214  Lepidium latifolium L. Ahart 2009-10-27 16482 Napa Below 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 air miles northwest of Winters 130 Comment
  CAS-BOT-BC89767  Lepidium latipes Alice Eastwood; John Thomas Howell 1938-5-15 5521 Napa Myrtledale Hot Springs. Comment
  CAS-BOT-BC226536  Leptosiphon acicularis Peter H. Raven 1951-4-8 2766 Napa Yountville to Rutherford 76 Comment
  RSA292919  Leptosiphon acicularis Reino Alava 1957-5-30 975 Napa Napa-Solano county line; Route 128 Comment
  UCD118577  Leptosiphon androsaceus Robert C. Bechtel 1952-4-20 68 Napa 7 miles northwest of Monticello (Samuel Springs.) 91 Comment
  UCD49202  Leptosiphon androsaceus M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 9 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of West and East roads, along lower road leading to power lines. 50 ft. N of lat./long. position. 289 Comment
  UCSC009025  Leptosiphon androsaceus Dylan M. Neubauer 2015-4-24 127 Napa (NCoRI) Sage Canyon Rd/Hwy 128, across from S edge Lake Hennessey 101 Comment
  HSC83421  Leptosiphon androsaceus Dave Read 1975-5-3 29 Napa Knoxville-Berryessa Rd., 16.2 mi. N of jct. with Hwy. 128 244 Comment
  RSA195290  Leptosiphon androsaceus Gilbert Muth 1967-4-28 653 Napa Spring Mountain Road, St. Helena. Comment
  UCD118585  Leptosiphon androsaceus Alan P. Godlewskie 1974-5-3 15 Napa west of Lake Berryessa, approximately 75 yards from Highway 128. Comment
  UCD15046  Leptosiphon bicolor Lorraine Clarke 1977-4-16 15 Napa California, Napa Co.; along Highway 128, 6.4 miles by road SSW of Monticello Dam; Comment
  CAS-BOT-BC226689  Leptosiphon jepsonii Carl B. Wolf 1928-5-3 1792 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  JEPS129094  Leptosiphon latisectus Jake Ruygt 2016-4-26 6209 Napa Amy's Grove, Dry Creek Road. Rutherford 7.5' Quad. Comment
  UCD118393  Leptosiphon parviflorus Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD167234  Leptosiphon parviflorus Jake Ruygt 1983-5-1 1452 b Napa Suscol Ridge east of Highway 29 (221). 22 Comment
  UCD167237  Leptosiphon pygmaeus subsp. continentalis Jake Ruygt 1998-4-27 3939 Napa NE corner of the county, on Blue Ridge. 865 Comment
  CAS-BOT-BC324165  Lessingia hololeuca Milo S. Baker 1933-9-9 7536 Napa Near Calistoga Geysers Comment
  JEPS106630  Lessingia hololeuca Jake Ruygt 1992-9-5 3142 Napa Tubbs Lane at Myrtledale Rd., Calistoga 122 Comment
  UC517444  Lessingia hololeuca Milo S. Baker 1933-9-9 7536 Napa Calistoga geysers Comment
  JEPS20656  Lessingia ramulosa W. L. Jepson 1938-6-8 18887 Napa nw Pope Valley; South Fork of Butts Creek Comment
  RSA14531  Lessingia ramulosa Daniel Cleveland 1882-8-23 s.n. Napa Aetna Springs Comment
  JEPS29587  Lewisia rediviva Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8444 Napa 5 mi n along Atlas Peak road Vichy Springs junction (with Calif. 37) (1/4 mi n of junction with side road leading to Milliken Reservoir) 355 Comment
  RSA195344  Lewisia rediviva Gilbert Muth 1967-5-17 684 Napa Summit of Oat Hill Road 671 Comment
  UC1746036  Lilaea scilloides Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2763 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS32124  Lilaea scilloides Willis L. Jepson 1893-4-26 14598 Napa near Yountville; Napa River Basin Comment
  JEPS19595  Limnanthes douglasii Hilda Gehringer 1920-4-1 Napa Capell Valley Comment
  JEPS19610  Limnanthes douglasii W. L. Jepson 1924-4-6 10326 Napa Napa 15 Comment
  JEPS112541  Limnanthes douglasii subsp. douglasii Jake Ruygt 1998-4-8 3902 Napa SE corner of Soda Canyon Road and Silver ado Trail 22 Comment
  UC971836  Limnanthes douglasii subsp. douglasii Annetta Carter 1942-4-19 1667 Napa 3.3 mi s Napa Comment
  JEPS112566  Limnanthes douglasii subsp. nivea Jake Ruygt 1994-4-16 3350 Napa North end of Chiles Valley near Chiles- Pope Valley Road. 228 Comment
  UC971839  Limnanthes douglasii subsp. nivea Stanley G. Smith 1948-4-25 498 Napa on Hwy 29 n Yountville Comment
  UCD116513  Limnanthes douglasii subsp. nivea D. C. Finfrock 1950-4-4 10 Napa along roadside of State Highway 29, north edge of Yountville. Comment
  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
  JEPS110967  Linanthus androsaceus Jake Ruygt 1983-5-8 1457 Napa Skyline Park 152 Comment
  SEINET7072777  Linanthus androsaceus A. G. Vestal 1963-5-13 s.n. Napa Conn Valley Road, Conn Valley. UTM Zone 10, 551383mE, 4262262mN. Coordinate datum: NAD 27. Comment
  RSA0062956  Linanthus androsaceus Reino Alava 1957-5-30 992 Napa Near the end of State Highway no. 37, in the southern end of Capell Valley. Comment
  UC1005688  Linanthus androsaceus Frank W. Gould 1939-4-6 602 Napa 11 mi e Napa 304 Comment
  UC907830  Linanthus androsaceus P. B. Kennedy 1929-5-23 Napa e side Howell Mountain; Moore Creek Comment
  SEINET215090  Linanthus dichotomus R. F. Denno 1967-4-15 43 Napa Lower Chiles Valley Road, .75 mi. N. from its junc. with State Hwy. 128. 229 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
  UCD118645  Linanthus dichotomus R. L. Smith 1948-5-7 s.n. Napa East branch of Monticello Valley, about 3 miles E of Samuel Springs. Comment
  POM65868  Linanthus dichotomus subsp. meridianus C. F. Baker 1903-4-30 2627 Napa [Near] St. Helena. Comment
  CDA38720  Linanthus parviflorus D. G. Kelch 2010-5-6 10 .179 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UC52371  Linanthus pygmaeus J. P. Tracy 1902-5-16 1502 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  JEPS101591  Linanthus pygmaeus subsp. continentalis Dean W. Taylor 1998-6-18 16678 Napa ridge dividing Butts Canyon and Spanish Valley 502 Comment
  UC521697  Lithocarpus densiflorus Joseph Andorfer Ewan 1933-9-17 8004 Napa Mt. St. Helena; near entrance to mine Comment
  UC762365  Lithocarpus densiflorus R. F. Hoover 1941-5-10 5012 Napa e side Mt. St. Helena Comment
  UCD83725  Lithophragma affine Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 4 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 188 Comment
  CAS-BOT-BC430625  Lithophragma affine L. R. Abrams 1928-5-3 12245 Napa Summit Mt. St. Helena Grade 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
  JEPS20922  Logfia filaginoides W. L. Jepson 1897-6-2 Napa Napa Valley Comment
  JEPS33569  Logfia gallica W. L. Jepson 1936-6-2 17614 Napa hills to e Yountville (on e side road); Napa Valley Comment
  UCD18012  Lolium multiflorum Ellen Dean; with Plant Biology 102 class 2001-4-28 744 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
  UCD18077  Lolium multiflorum Ellen Dean; with PLB 102 class 2000-4-22 633 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
  UCD66081  Lolium multiflorum Beecher Crampton 1962-10-9 6698 Napa 1.1/4 SW of Angwin, Howell Mtn. Road, Conn Creek. Comment
  UCD18141  Lolium perenne Jean Shepard; with PLB 102 class 2000-4-29 198 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UC1563883  Lomatium californicum Barbara Ertter with Annetta Carter 1989-5-28 8498 Napa 9.0 mi s Knoxville tunnel (Berryessa-Knoxville Road n of Lake Berryessa); n of Lake Berryessa 243 Comment
  UCD149667  Lomatium californicum Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  UCD48427  Lomatium californicum K. Mogel; B. Pekin, and M. Higley 2002-5-4 9 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 1000 ft along the lower road that leads to the power lines; immediately downslope of road. 304 Comment
  SBBG59694  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
  SEINET3074556 Image available Lomatium ciliolatum var. hooveri M. E. Mathias 1937-5-23 1298 Napa 1.9 mile southeast of Napa-Lake County line on road to Knoxville. Comment
  SEINET10852049 Image available Lomatium ciliolatum var. hooveri Mildred E. Mathias 1937-5-23 Mathias 1298 Napa Rocky hillside. 1.9 mile southeast of Napa-Lake County line on road to Knoxville, Napa County, California. Comment
  UC1123025  Lomatium dasycarpum subsp. dasycarpum B. O. Schreiber 1938-4-24 2503 Napa 1/2 mi NW of Knoxville 609 Comment
  UCD170299  Lomatium hooveri Daniel Potter; Ninh Khuu, Kai Battenberg 2016-3-15 839 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 512 Comment
  UCD18027  Lomatium hooveri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 573 b Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  UCD47859  Lomatium hooveri E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 16 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on east side of dirt road. 390 Comment
  UCD63188  Lomatium macrocarpum Jake Ruygt 2005-4-17 4762 c Napa Bear Valley. 615 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
  JEPS17099  Lomatium marginatum var. purpureum W. L. Jepson 1924-5-8 10417 Napa Napa Range, Chiles Valley Comment
  RSA3281A  Lomatium marginatum var. purpureum D. D. Keck 1931-4-3 1076 Napa 5 miles NE of Aetna Springs, along Butts Creek. Comment
  UCD67536  Lomatium marginatum var. purpureum D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. Serpentine chaparral in Capell Creek. 380 Comment
  HSC81596  Lomatium marginatum var. purpureum Thomas W. Nelson, Jane P. Nelson 1980-5-3 5159 Napa Junction of Butts Canyon Rd. & Snell Valley Rd. 197 Comment
  UCD63186  Lomatium marginatum var. purpureum Jake Ruygt 2005-3-28 4726 Napa About 2 miles north of Turtle Rock on Berryessa-Knoxville Rd. 152 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
  JEPS104550  Lomatium repostum Jake Ruygt 1991-4-20 2626 Napa Friesen's Lakes, near Deer lake 597 Comment
  POM298615  Lomatium repostum Lincoln Constance, J. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 s.n. Napa Souteast slope of Mount St. Helena, near the old inn. Comment
  RSA42338  Lomatium repostum Lincoln Constance, Davidson, Wagner, Shan 1946-5-18 s.n. Napa Souteast slope of Mount St. Helena, near the old inn. Comment
  SEINET196136  Lomatium repostum Lincoln Constance, JF Davidson WH. Wagner; RH Shan 1946-5-18 3048 Napa Southeast slope of Mount Saint Helena near the old inn Comment
  UCD148552  Lomatium utriculatum Jake Ruygt 1997-4-8 3825 Napa Napa County. East end of Taplin Road; Heitz Cellars. 106 Comment
  UCD148803  Lomatium utriculatum Ellen Dean; Diana Hickson 2014-4-29 8110 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 592 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
  JEPS104515  Lomatium vaginatum Jake Ruygt 1998-5-30 4003 Napa Table Rock 749 Comment
  RSA52663  Lomatium vaginatum I. L. Wiggins 1949-4-30 12081 Napa 2.5 miles above Calistoga along old toll road to Middletown Comment
  UC1125229  Lonicera hispidula var. vacillans A. Lewis May 1934 104 Napa Sarco Creek Napa Quadrangle 304 Comment
  RSA3633  Lotus humistratus I. L. Wiggins 1932-3-12 5764 Napa Hillside between Calistoga and Franz Valley. Comment
  JEPS107210  Lotus micranthus Jake Ruygt 1991-5-4 2639 Napa betweed Fawn Lake and Granite Lake Friesen's Lakes 603 Comment
  JEPS107209  Lotus pinnatus Jake Ruygt 1999-5-17 4162 Napa Wild Horse Valley Ranch, near Leoma Lakes 411 Comment
  SEINET7073050  Lotus purshianus 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
  UCR200669  Lotus purshianus Daniel Sanchez-Mata 2006-6-15 s.n. Napa Moskowite Corners - Spanish Flat, Capell Valley, Capell Valley Road close to Capell Creek 200 Comment
  JEPS107203  Lotus strigosus Jake Ruygt 1991-4-20 2635 Napa Mead Ranch, Atlas Peak Rd. 548 Comment
  UCD167263  Ludwigia palustris Jake Ruygt 1991-6-29 2749 Napa Fawn Lake, Friesen's Lakes, Angwin. 585 Comment
  RSA735364  Lupinus Keith E. Hoffmaster 1946-3-23 1093 Napa Napa range, along Napa-Monticello road Comment
  JEPS129027  Lupinus affinis Jake Ruygt 2016-5-10 6246 Napa Sutro Ranch, Atlas Peak. Yountville 7.5' Quad. Comment
  SEINET197847  Lupinus albifrons Mrs. H. P. Bracrlin 1930-3-29 5 m-3'30 Napa N.W. flaubs of Int. Yanger. Uprn Firddes abouth 1M. Prigles Comment
  CAS-BOT-BC201549  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1939-4-8 2505 Napa Howell Mt. 1 mi. s.w. of Pac. Union College Comment
  RSA15678  Lupinus albifrons var. albifrons Carl B. Wolf 1928-2-25 1490 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  RSA15682  Lupinus albifrons var. albifrons Carl B. Wolf 1928-2-25 1486 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  CAS-BOT-BC196280  Lupinus albifrons var. eminens Arno H. Wilson 1921-4-8 s.n. Napa Atlas Comment
  CAS-BOT-BC196283  Lupinus albifrons var. eminens Eliz. Parsons Hawver 1915-6-3 s.n. Napa Skaggs Springs Comment
  HSC45366  Lupinus bicolor R. York 1978-4-8 109 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  JEPS64988  Lupinus bicolor Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  JEPS85042  Lupinus bicolor Larry Heckard, Mary Ashton 1969-5-3 2192 Napa off the Atlas Peak Rd. ca 7 mi ne Napa (Mead Ranch); ne of Napa 457 Comment
  UCD107265  Lupinus bicolor G. E. Johnston 1974-4-4 6119 Napa near Bell Canyon, near Angwin. 426 Comment
  UCD47994  Lupinus bicolor Michele Disney; J. Westbrook,S. Ratay,,R. Wolfson,A. Houser,S. Wathen 2000-4-22 17 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCD83723  Lupinus bicolor Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 2 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 185 Comment
  JEPS48859  Lupinus bicolor Elsa Kraeger 1926-3-27 Napa near Soscol; near Soscol Comment
  SEINET10488633  Lupinus chamissonis Charles Piper Smith 1947-5-5 Smith 47202 Napa Cordelia, 3.4 mi. W, hwy 40. Comment
  POM181011  Lupinus densiflorus var. aureus Alice Eastwood 1930-4-13 17932 Napa Canyon between Monticello and Pope Valley. Comment
  JEPS107228  Lupinus formosus var. formosus Jake Ruygt 1997-4-18 3831 Napa Greenfield Road (Dean property). 237 Comment
  JEPS65223  Lupinus formosus var. formosus Willis L. Jepson 1893-9-24 69 t Napa Angwin's Meadows Howell Mt. (Howell Mt.); Napa River Basin, , Angwin's Meadows Comment
  UC15861  Lupinus formosus var. formosus W. H. Brewer 1861-11-5 857 Napa Napa Valley; ; Fields near Camp 64 (modern Yountville) fide FB Comment
  SEINET10490750  Lupinus formosus var. formosus Donald E. Bright 1962-6-9 Bright 264 Napa Roadside, 5 mi n of calistoga, along highway 29. Comment
  UCD108108  Lupinus latifolius K. Esau; E. Hyde 1938-5-25 s.n. Napa Exact location unknown. Comment
  POM66217  Lupinus latifolius subsp. latifolius Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC15892  Lupinus latifolius var. latifolius W. L. Jepson June 1891 Napa Vaca Mts. Comment
  UCD18165  Lupinus microcarpus Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  JEPS107218  Lupinus microcarpus var. densiflorus Jake Ruygt 1980-4-22 838 Napa 1.3 miles east of Pope Valley Middle Rd. on Pope Canyon Rd. 187 Comment
  JEPS107220  Lupinus microcarpus var. densiflorus Jake Ruygt 1979-5-16 604 Napa 8.4 miles east of Monticello Rd. on HWY 128 152 Comment
  JEPS65097  Lupinus microcarpus var. densiflorus W. L. Jepson 1920-5-25 9049 Napa Zem-Zem Comment
  SEINET239734  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa Rocky roadside CA 128 E. 7.4 mi E jct. Hwy 29 in Ruthford. 3.6 mi w jct. lower Chiles Valley Rd. Comment
  UCD47988  Lupinus microcarpus var. densiflorus Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 2 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  SEINET239733  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa Steep roadside of redrock shale CA 128 E 7.2 mi E jct. Ca 121 2.9 mi W Monticello Dam Lake Berryessa 274 Comment
  UCD38314  Lupinus microcarpus var. densiflorus Beecher Crampton 1954-5-6 1833 Napa Hwy. 37, 9 miles south of Monticello. Comment
  CHSC108727  Lupinus microcarpus var. microcarpus B. Castro; L. P. Janeway 2002-5-12 1371 Napa Inner North Coast Ranges. CA 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. 536 Comment
  JEPS107246  Lupinus nanus Jake Ruygt 1976-5-2 48 Napa 3.3 miles NE of Westgate Dr. on Atlas Peak Road 350 Comment
  JEPS81601  Lupinus nanus R. Raiche 1982-3-7 20191 Napa on Chiles and Pope Valley Road 1.3 mi n Sage Canyon Road; n of Sage Canyon Rd on Chiles and Pope Valley Rd Comment
  UC1129655  Lupinus nanus A. E. Wieslander 1934-2-25 369 Napa 3 mi n Calistoga (Calistoga--Middletown); Calistoga quad. Comment
  UC156988  Lupinus nanus Joseph P. Tracy 1903-5-15 1847 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UCD48956  Lupinus nanus S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 12 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
  UCD48958  Lupinus nanus A. Van Houtte; E. Leger and C. Hohn 2001-4-14 3 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, on W side of S. Decker Canyon Rd., N of jct with Cut-Off Rd., near ruined cabins. 152 Comment
  SBBG67013  Lupinus nanus Mrs. H. P. Bracelin 1932-4-17 234 Napa 4 mi S of Yountville Comment
  SEINET10969715  Lupinus nanus subsp. latifolius Baker 1903-4-19 Baker 1990 Napa Calistoga. Large tufts abundant in meadows. Comment
  CAS-BOT-BC202221  Lupinus sericatus Charles Piper Smith 1948-6-3 48311 Napa Highway 29 - Stevenson Place, 0.4 miles north Comment
  RSA672427  Lupinus sericatus Lyman Benson 1935-5-19 6656 Napa Mount St. Helena 915 Comment
  UCD161642  Lupinus sericatus Jake Ruygt 2005-5-11 4836 Napa Oat Hill Mine Road, upper Swartz Canyon. (Coordinates converted from UTM data by label maker.) 701 Comment
  UCR43183  Lupinus sericatus L. F. LaPre 1985-4-24 s.n. Napa Inner North Coast Ranges, Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. line and south of Three Peaks 671 Comment
  JEPS67170  Luzula macrantha W. L. Jepson 1894-5-1 2 a Napa Upper Conn Valley Comment
  CAS-BOT-BC441243  Luzula macrantha Alice Eastwood 1922-3-25 11094 Napa Calistoga Comment
  JEPS112658  Lythrum californicum Jake Ruygt 1982-8-11 1383 Napa Myrtledale Rd., .1 mile south of Tubbs Lane 120 Comment
  CDA5136  Lythrum hyssopifolia T. C. Fuller 1958-7-29 999 -58 Napa St. Helena Highway. 0 Comment
  JEPS45950  Lythrum hyssopifolia Willis L. Jepson 1893-6-26 14093 Napa below New Eden (grade to Howell Mountain, Napa River Basin); Napa River Basin Comment
  UC1544800  Madia elegans Almut G. Jones 1986-8-23 7253 Napa near Calistoga Comment
  UCD161749  Madia elegans Jake Ruygt 1995-6-5 3489 Napa about 2 miles south of Lake Hennessey on private road (Taylor). 408 Comment
  POM285001  Madia elegans subsp. elegans Lyman Benson 1933-8-23 5686 Napa Mt. St. Helena, Mayacamas mountain range, Napa Valley watershed 305 Comment
  UCD21540  Madia exigua B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 5 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of ) intersection with Knoxville-Berryessa Road. 487 Comment
  JEPS106548  Madia gracilis Jake Ruygt 1986-6-9 1809 Napa 4.5 miles north of Westgate Dr.on Atlas Peak Rd. 451 Comment
  UCD18139  Madia gracilis Jean Shepard; with PLB 102 class 2000-4-29 189 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
  UCD19340  Madia gracilis M. A. Bibbo; E. Dean 2001-7-6 33 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 2.6 air miles from jct. with S Decker canyon rd. In dry creek drainage just W of rd. 228 Comment
  CAS-BOT-BC343194  Madia gracilis John Thomas Howell 1933-6-4 11384 Napa Hills east of Napa Comment
  CAS-BOT-BC343198  Madia gracilis David D. Keck 1933-5-29 2372 Napa 10 miles north of Monticello on road to Knoxville Comment
  CAS-BOT-BC343207  Madia gracilis Ira L. Wiggins 1949-4-30 12072 Napa Along old toll road between Calistoga and Middletown, about 1.5 miles north-east of Calistoga Comment
  JEPS40204  Madia gracilis Willis L. Jepson 1894-5-1 Napa mouth of Conn Valley Napa River Basin Comment
  JEPS40330  Madia gracilis Willis L. Jepson 1894-5-1 Napa e of St. Helena; Napa River Basin Comment
  NY214974  Madia hallii H. M. Hall 1931-5-27 13094 Napa Near Knoxville, northeastern Napa County. Comment
  SEINET10672315 Image available Madia hallii Charles F. Baker 1903-5-8 Baker 3079 Napa Knoxville, Napa county, California. Colonies frequent along rocky ridges. Comment
  CDA11428  Madia nutans G. F. Hrusa, M. Tu 1995-5-6 12151 Napa North Coast Biodiversity Arena; on Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  LA203824  Madia nutans J. Clausen; 1935-5-23 1072 Napa Howell Mountain, near summit 6.5 mi. N.E. of St. Helena Comment
  POM216220  Madia nutans D. D. Keck 1933-5-28 2329 Napa Howell Mountain, 1 mile SW of Pacific Union College Comment
  POM298345  Madia nutans Jens Clausen 1935-5-23 1072 Napa Howell Mountain, near sumit, 6.5 miles NE of St. Helena Comment
  POM53357  Madia nutans W. L. Jepson 1893-4-28 s.n. Napa Napa River Basin, Wooden Valley Grade Comment
  RSA128374  Madia nutans P. H. Raven 1950-4-15 1752 Napa Wooden Valley grade above Napa. 457 Comment
  SD27912  Madia nutans Carl B. Wolf 1928-5-3 1782 Napa 5.0 miles north of Calistoga; Mt. St. Helena Grade. Comment
  CAS-BOT-BC345045  Madia sativa Peter H. Raven 1952-5-26 4042 Napa St. Helena to Howell Mt. 304 Comment
  JEPS40385  Madia sativa W. L. Jepson 1936-6-1 17598 Napa Howell Mt. Napa Range 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
  UCD167283  Malacothamnus fremontii Jake Ruygt 2003-6-21 4552 Napa West of Berryessa Knoxville Road near mouth of Foley Creek. 329 Comment
  CAS-BOT-BC347512  Malacothrix floccifera David D. Keck 1933-5-29 2368 Napa Pope Creek bridge south of Walters Springs Comment
  HSC81867  Malacothrix floccifera Thomas W. Nelson, Jane P. Nelson 1980-5-3 5141 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UCD134397  Malacothrix floccifera B. Wengeler 1995-4-30 s.n. Napa 0.2 mile north of Hwy 128 along Knoxville Road. 183 Comment
  JEPS122723  Malvella leprosa Jake Ruygt 1992-9-5 3147 Napa Highway 29 at intersection with Highway 12. Quad: Cuttings Wharf. Comment
  JEPS106387  Marah oregana Jake Ruygt 1987-5-16 1988 Napa 3.3 miles north of Mt. Veeder Rd. on Red wood Road 310 Comment
  JEPS42483  Marah oregana Willis L. Jepson 1897-5-2 14129 Napa St. Helena Napa River Basin Comment
  CAS-BOT-BC269417  Melica californica California Academy of Sciences 1870-5-1 s.n. Napa Oakville Comment
  JEPS122951  Melica californica Jake Ruygt 1984-5-3 1540 Napa Bell Canyon. Quad: Saint Helena. Comment
  UCD87008  Melica californica K. Esau 1938-5-1 s.n. Napa Napa County. Napa Valley. Comment
  UCD87208  Melica californica J. Street 1950-1 s.n. Napa 4 mi. E of Rutherford. Comment
  CAS-BOT-BC282162  Melica geyeri Alice Eastwood 1922-5-4 11252 Napa Calistoga Comment
  CHSC60172  Melica geyeri T. B. Devine 1980-4-12 697 Napa On Hwy. 29 ca 4 1/2 mi. sw of Robert Louis Stevenses State Park. Comment
  SEINET8719050 Image available Melica geyeri W. S. Boyle 1942-1 1072 Napa Along the Silvarado Trail Road 7 miles south of Calistoga Comment
  JEPS122947  Melica harfordii Jake Ruygt 1987-5-16 2001 Napa Devil's Canyon, below the falls. Quad: Sonoma. Comment
  UCD87549  Melica harfordii R. Tofsrud 1941-6-1 283 Napa Road from Napa to Lacoya. Comment
  CAS-BOT-BC264213  Melica torreyana unspecified 1870-5-22 s.n. Napa Oakville Comment
  RSA125878  Melica torreyana P. H. Raven 1957-5-5 10760 Napa Hills at western edge of Calistoga. 152 Comment
  UC421629  Melica torreyana Alice Eastwood 1922-5-4 11247 Napa Calistoga Comment
  UC526911  Melica torreyana Joseph P. Tracy 1933-6-2 12477 Napa 3-4 mi e Anqwin's (on hills at head of Moore's Creek, Howell Mtn.); North Coast Ranges, Howell Mtn 396 Comment
  UCD117786  Melica torreyana Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD149633  Melica torreyana G. Ledyard Stebbins 1994-4-15 s.n. Napa Hennessey Lake. Comment
  UCD36953  Melica torreyana Beecher Crampton 1956-5-25 3487 Napa Howell Mountains. Comment
  UCD81835  Melica torreyana Ellen Dean 2009-4-24 5465 Napa Property at 600 Petrified Forest Road. 170 Comment
  JEPS112571  Mentzelia laevicaulis var. laevicaulis Jake Ruygt 1997-7-5 3870 Napa White Cliff Springs east of Soda Valley Comment
  UCD102804  Micranthes californica H. H. Dickinson 1950-4-1 16 Napa Putah Canyon, near Monticello. Comment
  CDA10905  Micropus californicus G. F. Hrusa, M. Rejmanek 1993-5-15 11001 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD18173  Micropus californicus 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
  RSA736572  Micropus californicus Keith E. Hoffmaster 1946-3-29 1047 Napa Putah Canyon, near Napa county line. Comment
  JEPS85049  Micropus californicus var. californicus Larry Heckard and Mary Ashton 1969-5-3 2218 Napa off the Atlas Peak Rd ca 7 mi ne Napa; Mead Ranch 510 Comment
  UCD18059  Micropus californicus var. californicus Ellen Dean; with Plant Biology 102 class 2000-4-22 614 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
  RSA695590  Micropus californicus var. californicus Keith E. Hoffmaster 1946-4-13 1048 Napa Putah Canyon, Coast Range Comment
  SBBG8217  Micropus californicus var. californicus H. and M. Dearing 1939-5-2 3253 Napa near Napa Comment
  CAS-BOT-BC348969  Microseris douglasii subsp. douglasii David D. Keck 1933-5-29 2351 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS36215  Microseris douglasii subsp. douglasii W. L. Jepson 1924-5-8 10418 Napa Chiles Valley Comment
  CAS-BOT-BC348967  Microseris douglasii subsp. douglasii John Thomas Howell 1931-4-3 6112 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  POM53428  Microseris lindleyi C. F. Baker 1903-4-20 2609 Napa Mt. St. Helena. Comment
  UCD122156  Mimulus angustatus Kim E. Steiner 1978-4-29 204 Napa Rancho La Jota, 0.4 mi S of Las Posadas State Forest fire station entrance. 563 Comment
  SEINET3079656 Image available Mimulus aurantiacus Royal D. Suttkus 1967-6-26 67- 30 -11 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UC445123  Mimulus aurantiacus var. aurantiacus C. F. Sonne April 1887 604 Napa near Vallejo; White Sulphur Springs Comment
  CDA41660  Mimulus bolanderi S. E. Schoenig 1998-6-3 98 -20 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
  UCD21541  Mimulus douglasii B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 7 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of ) intersection with Knoxville-Berryessa Road. 487 Comment
  JEPS110591  Mimulus floribundus Jake Ruygt 1989-6-17 2366 Napa Van Ness Canyon 597 Comment
  RSA10697  Mimulus guttatus Carl B. Wolf 1928-5-3 1790 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC103695  Mimulus guttatus T. S. Brandegee Aug. 1888 Napa Howell Mt. Comment
  UCD170682  Mimulus guttatus 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  SEINET7057279  Mimulus guttatus Christopher T. Ivey 2003-11-29 364 Napa Specimen grown in greenhouse from wild-collected seed. Population occured along sream margin feeding Racoon Lagoon at north end of Lake Berryessa, about 4.5 mile north of Pope Canyon Road on Berryessa-Knoxville Road. Comment
  JEPS110585  Mimulus inodorus Jake Ruygt 1992-5-15 2966 Napa Wild Horse Valley Ranch in a narrow vale E of Johnson's Meadow 432 Comment
  UC886248  Mimulus kelloggii Alice Eastwood 1915-5-1 6835 Napa Mt. St. Helena Comment
  RSA309393  Mimulus latidens W. L. Jepson 1893-4-27 31 Napa Lower Napa Valley, Napa River Basin. Comment
  JEPS128876  Mimulus layneae Jake Ruygt 2000-6-10 4270 Napa Devilhead Road at top of first grade. Knoxville 7.5' Quad. Comment
  JEPS8205  Mimulus layneae W. L. Jepson 1893-6-26 35 m Napa Howell Mountain Comment
  RSA670138  Mimulus layneae S. E. Schoenig 1998-6-3 98 -21 Napa Research Hill, 0.1 mi SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd, 1 mi NW of Homsestake mine. 655 Comment
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Nov 11 2011
  JEPS110579  Mimulus microphyllus Jake Ruygt 1991-5-25 2693 b Napa Paradise Valley 280 Comment
  JEPS11439  Mimulus microphyllus W. L. Jepson 1921-5-6 9171 Napa Calistoga 109 Comment
  UC1103332  Mimulus pulsiferae Joseph P. Tracy 1933-4-30 12105 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UC147883  Mimulus pulsiferae J. P. Tracy 1902-5-21 1608 Napa 3-4 mi e Angwin's (head of Moore's Creek, dry stream bed); Howell Mountain, La Jota Plateau 518 Comment
  UCD96021  Mimulus tricolor Dena Grossenbacher; Brian Green 2008-4-10 767 Napa On north side of Knoxville-Berryessa Road about 0.7 miles east of Devil's Head Road junction, McLaughlin UC Reserve. 422 Comment
  SFV8436  Minuartia californica H. Matchett 1965-3-13 54 Napa 3 miles east of Middletown. 305 Comment
  UC1103536  Minuartia douglasii Joseph P. Tracy 1902-5-15 1484 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  CAS-BOT-BC388758  Minuartia douglasii John Thomas Howell 1933-6-4 11393 Napa Hills east of Napa Comment
  CAS-BOT-BC220619  Monardella villosa John Thomas Howell 1929-5-30 4270 Napa On Pope Valley Creek near Samuels [Samuel] Springs, Napa Range Comment
  CAS-BOT-BC220617  Monardella villosa Peter H. Raven 1952-5-31 4134 Napa Summit of hills s.w. of Rector Canon [Canyon] 304 Comment
  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
  CAS-BOT-BC220691  Monardella viridis John Thomas Howell 1930-7-13 5360 Napa On the edge of the Crater Country Comment
  UCD160724  Monardella viridis Ellen Dean 2015-5-23 8776 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 211 Comment
  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
  UCD73421  Monardella viridis Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  SEINET10829406  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 371 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  JEPS106888  Monolopia major Jake Ruygt 1993-5-1 3237 Napa SW of end of Cedar Creek Road. 426 Comment
  JEPS112615  Montia fontana Jake Ruygt 1993-4-3 3182 Napa Littel Bear Valley 670 Comment
  POM182667  Muilla maritima David D. Keck 1931-4-4 1096 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  JEPS110883  Myosurus minimus Jake Ruygt 1982-3-26 1147 Napa Suscol plain east of Kaiser (Rocktram) 3 Comment
  JEPS129124  Najas minor Jake Ruygt 2010-8-14 5722 Napa NW shore of Lake Berryessa; Barton Hill. Walter Springs 7.5' Quad. Comment
  UC60162  Nassella cernua W. L. Jepson 1896-6-2 Napa near St. Helena; Stone Bridge Comment
  SEINET201032  Nassella lepida Joseph P. Tracy 1933-6-2 12466 Napa Howell Mountain Road 5 mi east of St. Helena 305 Comment
  UCD81833  Nassella lepida Ellen Dean 2009-4-24 5463 Napa Property at 600 Petrified Forest Road. 170 Comment
  CAS-BOT-BC260175  Nassella pulchra Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5331 Napa Pope Creek E of Samuels Springs 91 Comment
  CAS-BOT-BC260182  Nassella pulchra David D. Keck 1931-4-2 1033 Napa Wooden Valley Road, E side of Napa Range, 8 miles from Napa Comment
  UCD87466  Nassella pulchra Beecher Crampton 1956-5-25 3478 Napa Grade crest north of Wooden Valley, Bruno's Place. Comment
  CAS-BOT-BC230259  Navarretia cotulifolia Joseph Andorfer Ewan 1934-4-30 8857 Napa E end of Pope Valley Comment
  CAS-BOT-BC230261  Navarretia cotulifolia David D. Keck 1933-5-29 2350 Napa Just S of Pope Creek Bridge, S of Walters Springs Comment
  RSA73730  Navarretia cotulifolia J. T. Howell 1939-4-30 14626 Napa Walter Springs. Comment
  POM180787  Navarretia divaricata subsp. vividior J. T. Howell 1930-7-13 5347 Napa On the edge of the Crater Country Comment
  UC23627  Navarretia heterodoxa Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  UCD73437  Navarretia intertexta 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
  JEPS70326  Navarretia intertexta Willis L. Jepson 1894-7-19 15007 Napa above Calistoga; Napa River Basin, Upper Napa Valley 228 Comment
  UCD36945  Navarretia intertexta subsp. intertexta Beecher Crampton 1956-5-25 3470 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD167179  Navarretia intertexta subsp. intertexta Jake Ruygt 1982-7-5 1360 Napa 0.3 miles south of Old Bale Mill on east side of Highway 29. 88 Comment
  HSC2254  Navarretia mellita Katherine Brandegee 1910-7-26 Napa Pope Valley Comment
  JEPS112554  Navarretia mellita Jake Ruygt 1982-7-17 1374 Napa Deer Park Rd. at Four Corners 414 Comment
  UCD19338  Navarretia pubescens M. A. Bibbo; E. Dean 2001-7-6 31 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, just north of powerline, ca. 0.6 air miles from jct of W and E roads, on top of ridge. 251 Comment
  UCD59449  Navarretia pubescens P. J. Plummer 1995-5-29 s.n. Napa Lake Berryessa. 121 Comment
  POM204471  Navarretia pubescens Thos. Howell 1933-6-4 11390 Napa Hills east of Napa Comment
  SD131880  Navarretia pubescens Barbara Ertter, Annetta Carter 1989-5-28 8495 Napa Schoolhouse Cove on NW end of Lake Berryessa 500 Comment
  UCD38858  Navarretia squarrosa Beecher Crampton 1962-10-9 6695 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  JEPS101639  Navarretia subuligera Dean W. Taylor 1998-6-23 16694 Napa headwaters Swartz Canyon, South flanks Twin Peaks, (ca. 5 air mi W Aetna Springs) 716 Comment
  SEINET5641795  Navarretia subuligera Leigh A. Johnson, David Gowen 2009-5-30 09 -052 Napa Along trail to Table Rock on East side of Hwy from parking area off Hwy 29.; 0 725 Comment
  JEPS110945  Navarretia tagetina Jake Ruygt 1986-5-24 1784 Napa Butts Canyon Rd. at Ink Grade 237 Comment
  UC1199528  Nemacladus capillaris Francia Chisaki 1957-5-30 971 Napa between Chiles and Monticello (by Soda Creek); Soda Creek Comment
  JEPS106578  Nemacladus montanus Jake Ruygt 1989-4-22 2286 Napa NE corner of HWY 128 and Berryessa-Knoxville Rd.,Capell Cyn. 207 Comment
  SBBG29777  Nemacladus montanus H. L. Mason 1935-5-30 10000 Napa 4 mi N of Knoxville Mines Comment
  UCD160652  Nemacladus montanus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8738 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  POM224204  Nemacladus montanus H. L. Mason 1935-5-30 10000 Napa Four miles north of Knoxville Mines. Comment
  UCD126390  Nemacladus montanus Robert E. Preston 1987-6-20 569 Napa 3/4 mile north of Round Corral in Big Basin. 268 Comment
  HSC10925  Nemophila heterophylla Greg Bos 1963-3-3 26 Napa W slope of [Lake] Berryesa, Spanish Flat area. 152 Comment
  RSA60779  Nemophila heterophylla L. R. Abrams 1928-5-3 12235 Napa Summit St. Helena Grade Comment
  UCD37576  Nemophila heterophylla Beecher Crampton 1955-4-7 2452 Napa Napa County, at border with Solano and Yolo Counties, 7 miles west of Winters, 0.25 mile west of Recreation Beach of Putah Creek, Vaca Mountains, east facing slope of Cold Canyon. Comment
  CDA40365  Nemophila heterophylla T. C. Fuller 1958-5-1 3715 Napa Highway 53, 8 miles north of Calistoga. 0 Comment
  JEPS3154  Nemophila heterophylla W. L. Jepson 1900-3-10 547 Napa ne St. Helena (between Napa River and Sanitarium); btw Napa River and Sanitarium, ne of St. Helena Comment
  UC473498  Nemophila heterophylla Belle Richardson Jackson 1930-6-8 Napa near Toll House n side Mt. St. Helena; n side Mt. St. Helena, near Toll House Comment
  UC726897  Nemophila heterophylla A. A. Heller 1929-3-16 14818 Napa grade near foot Mt. St. Helena Comment
  UC880874  Nemophila heterophylla Lewis S. Rose 1939-4-16 39087 Napa 10 mi ne Napa (Wooden Valley); ne of Napa, Wooden Valley Comment
  UCD166679  Nemophila heterophylla Jake Ruygt 1998-5-2 3950 Napa Pope Canyon, Landucci Ranch. 316 Comment
  UCD23386  Nemophila heterophylla Greg Vita 1978-4-23 15 Napa Corolla white. Foothill woodland, partial sun, hillside along roadside. 1.4 miles southeast of lower Childs Rd. 146 Comment
  UCD120234  Nemophila menziesii Michael A. Vincent; Ethan H. Freid 1998-4-7 8165 Napa Along Rt. 128 at road marker 24/80. Comment
  UCD120237  Nemophila menziesii G. L. Webster 1967-3-23 7494 Napa c. 1 mi S of Spanish Flat. 167 Comment
  UC146215  Nemophila menziesii Joseph P. Tracy 1903-5-16 1839 Napa near Calistoga (Napa Valley); Northern Coast Ranges, , near Calistoga 91 Comment
  UCD23405  Nemophila menziesii Leslee Newton 1977-4-16 6 Napa Erect plants 2-4 inches tall, leaves green, pinnately lobed and pubescent, stems also pubescent. Flower petals with blue margins and veins, the rest white. Foothill woodland, scattered patches of 3-4 individuals in open field. 6.4 miles SSW of Monticello Dam on Highway 128. 182 Comment
  JEPS1880  Nemophila menziesii var. atomaria Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas; near Atlas Comment
  UCR12042  Nemophila menziesii var. atomaria Coleta A. Lawler 1970-1 253 Napa North Coast Range, Chiles-Pope Road, 3.3 mi. south of Pope Valley 198 Comment
  JEPS110845  Nemophila menziesii var. menziesii Jake Ruygt 1994-4-16 3352 Napa North end of Chiles Valley near Chiles- Pope Valley Road. 228 Comment
  UCD118354  Nemophila menziesii var. menziesii Reed Crane; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, on Recreation flat. 387 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
  CHSC102523  Nicotiana acuminata var. multiflora Lowell Ahart 2009-10-12 16455 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS13901  Nicotiana acuminata var. multiflora Willis L. Jepson 1894-11-5 21245 Napa above St. Helena (Napa River bed); Napa River Comment
  UC1188018  Nicotiana acuminata var. multiflora H. M. Wheeler Oct 1942 Napa Conn Creek; Conn Valley Comment
  UCD73443  Nuttallanthus texanus Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  JEPS113971  Odontostomum hartwegii Jake Ruygt 1992-5-25 3003 Napa West of vernal pool meadow, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  UCD164770  Odontostomum hartwegii Jake Ruygt 2014-5-19 5941 Napa Sutro Ranch, Atlas Peak. 472 Comment
  UCD166656  Odontostomum hartwegii Jake Ruygt 1980-6-4 912 Napa end of Soda Canyon county road. 426 Comment
  CAS-BOT-BC500128  Orobanche fasciculata Peter H. Raven 1951-6-10 s.n. Napa Crater Region E of Palisades 762 Comment
  UCD167257  Orobanche fasciculata Jake Ruygt 1994-4-26 3358 Napa Ridge in Pope Valley (Juliana Vineyard); north of Barnett Road. 256 Comment
  UCR23528  Orobanche uniflora John C. Roos 1939-5-6 293 Napa Napa Range, (near Angwin?) Comment
  RSA10689  Orthocarpus attenuatus Carl B. Wolf 1928-5-3 1798 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  POM15656  Orthocarpus erianthus C. F. Baker 1903-4-19 2632 Napa Calistoga. Comment
  POM264975  Orthocarpus faucibarbatus I. L. Wiggins 1928-3-25 2877 Napa 1.5 mi NE of Calistoga. Comment
  RSA671053  Orthocarpus faucibarbatus G. Fred Hrusa 1995-4-2 12047 Napa SE corner of Chiles-Pope Valley Rd and Hwy 128 heading up Salt Canyon, upper end of Hennessey Res. 200 Comment
  UC592162  Osmorhiza berteroi H. L. Mason 1926-3-22 2788 Napa between Calistoga to Petrified Forest Comment
  CAS-BOT-BC316825  Packera clevelandii Joseph Prince Tracy 2221 Napa Howell Mtn. Head od Moore's Creek, 3-4 miles east of Angwin's. 365 Comment
  JEPS104693  Packera clevelandii John L. Morrison 1936-9-20 1933 Napa Knoxville Mine Comment
  JEPS23644  Packera clevelandii W. L. Jepson 1916-8-6 6838 Napa Howell Mt. Comment
  UC221396  Packera clevelandii H. M. Hall 1923-10-14 11943 Napa 8 mi n Pope Valley Comment
  CAS-BOT-BC316876  Packera eurycephala var. eurycephala T. M. Barkley; N. D. Burroughs 1964-6-19 300 Napa on road between Aetna Springs and junction of Pope Valley-Middletown Road; one mile east of Aetna Springs Comment
  OBI15493  Packera greenei Robert F. Hoover 1966-5-28 9878 Napa Just S of summit on Butts Cyn rd from Pope Valley Comment
  CAS-BOT-BC316944  Packera greenei Mrs. H. C. Cantelow 1934-5-30 550 Napa Mt. St. Helena Comment
  SEINET11744646 Image available Packera greenei E. Williams 1964-5-1 s.n. Napa Napa Valley Comment
  RSA126981  Panicum capillare B. O. Schreiber 1936-9-20 2355 Napa 5 miles south of Reiff 762 Comment
  UCD33885  Panicum capillare subsp. hillmanii Beecher Crampton 1974-9-19 9089 Napa Napa County, south of Yountville. Comment
  UCD164816  Panicum capillare subsp. hillmanii Jake Ruygt 2012-9-15 5878 Napa Crystal Flats, Putah Creek. 131 Comment
  JEPS110746  Parentucellia viscosa Jake Ruygt 1988-5-4 2178 Napa SW corner of HWY 29 and Airport Rd. 19 Comment
  UCD170442  Parentucellia viscosa Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 914 Napa Knoxville Wildlife Area, Zim Zim Creek drainage northwest of Zim Zim Falls. 407 Comment
  UC1198828  Parvisedum pumilum Joseph P. Tracy 1933-4-30 12116 Napa Howell Mountain near Toland House Howell Mountain 457 Comment
  CDA2124  Paspalum urvillei B. E. Eaton 1974-8-27 Napa Heinke Drive, 0.4 mile north of Coombsville Road east of Napa. 0 Comment
  UC1239630  Pectocarya pusilla Joseph P. Tracy 1933-4-30 1212 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 518 Comment
  POM182753  Pedicularis densiflora D. D. Keck 1931-4-2 1030 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  UCD123323  Pedicularis densiflora David Lawfer 1952-4-20 146 Napa 5 miles northeast of Napa. Comment
  JEPS103987  Pellaea andromedifolia Jake Ruygt 1995-4-17 3437 Napa end of Niebaum Rd., Rutherford. 137 Comment
  UCD20506  Pellaea andromedifolia E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1079 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
  UCD20913  Pellaea andromedifolia V. (Shorty) Boucher 2002-3-27 4 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. 243 Comment
  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
  UCD48364  Pellaea andromedifolia M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 13 Napa Quail Ridge UC Reserve, northern tip of peninsula directly beneath power lines on lower road. 274 Comment
  CAS-BOT-BC69209  Pellaea andromedifolia W. R. Dudley 1895-2-23 s.n. Napa Knights Valley Comment
  UC197944  Pellaea andromedifolia C. F. Sonne Apr. 1885 Napa Soda Springs Comment
  CAS-BOT-BC71377  Pellaea mucronata John H. Thomas 1958-4-19 7112 Napa About 2 miles SW of Oakville 152 Comment
  HSC45344  Pellaea mucronata R. York 1978-4-8 114 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UCD82598  Pellaea mucronata Ellen Dean; T. Starbuck 2009-5-4 5536 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCD67770  Pellaea mucronata var. mucronata D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa MacLaughlin UC Natural Reserve, at Hunting Canyon. 680 Comment
  SEINET13260501  Pellaea ornithopus Unknown 1934-1 8671 Napa Sarco Creek, 5 mi above Napa Comment
  HSC43907  Penstemon heterophyllus Robert M. Specht 1977-5-14 894 Napa At junction of Develhead Rd. and Morgan Valley Rd. (Knoxville-Berryessa Rd.) 457 Comment
  POM182638  Penstemon heterophyllus subsp. heterophyllus D. D. Keck 1931-4-2 1028 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 200 Comment
  RSA92803  Penstemon heterophyllus subsp. heterophyllus Peter H. Raven 1951-6-26 3059 Napa Wooden Valley Grade. 305 Comment
  CDA41870  Penstemon heterophyllus subsp. purdyi Yeager 1930-5-15 s.n. Napa [no further data] 0 Comment
  UC185341  Penstemon heterophyllus var. heterophyllus Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  UCD124239  Penstemon heterophyllus var. purdyi L. P. Thibault 1995-5-19 37 Napa northside of Highway 128 north of Lake Solano, approximately 2-3 miles east of Monticello Dam. 125 Comment
  SEINET12329993  Penstemon newberryi F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -305 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  LA209709  Penstemon newberryi var. sonomensis Joseph Andorfer Ewan; 1937-5-23 10334 Napa Mount Saint Helena, Summit trail Comment
  JEPS122754  Perideridia gairdneri subsp. gairdneri Jake Ruygt 2005-8-13 4944 Napa Across Highway 29 from Old Bale Mill. Quad: Calistoga. Comment
  UCD63189  Perideridia gairdneri subsp. gairdneri Jake Ruygt 1998-8-15 4106 Napa Mead Ranch, Atlas Peak Road. 487 Comment
  UCD170281  Perideridia kelloggii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 821 Napa Knoxville Wildlife Area, north of Nevada Creek. 535 Comment
  CAS-BOT-BC419150  Persicaria maculosa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  UCD98375  Petrorhagia dubia Carol Chapman 1978-4-23 20 Napa Hwy 128, 4 miles east of intersection of Hwy 128 and Chiles Pope Valley Road. 487 Comment
  SEINET5760572  Phacelia distans M. J. Williams 1967-5-7 s.n. Napa Howell Mountain, between St. Helena and Angwin 259 Comment
  UC672424  Phacelia distans Herbert L. Mason 1926-3-14 2724 Napa sw slope Mt. St. Helena Comment
  JEPS110864  Phacelia imbricata subsp. imbricata Jake Ruygt 1990-3-10 2445 Napa White Sulphur Springs Rd.; west end 259 Comment
  UC735081  Phacelia mutabilis Lincoln Constance, J. F. Davidson, R. H. Shan, and W. H. Wagner 1946-5-18 3044 Napa se slope of mt. near Mount St. Helena Inn; Mount St. Helena Comment
  RSA518801  Phacelia suaveolens subsp. suaveolens L. R. Heckard 1972-6-26 2995 Napa Mt. St. Helena, SE of lookout; near radar station. 1220 Comment
  JEPS110798  Phacelia tanacetifolia Jake Ruygt 1998-4-18 3926 Napa Blue Ridge about 1.5 mile north of Mays Flat 701 Comment
  UC963880  Phacelia tanacetifolia Milo S. Baker 1936-4-8 8173 Napa about 2 mi n Knoxville (towards Lower Lake) Comment
  POM161068  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa Napa Valley near Calistoga 91 Comment
  UC187259  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  JEPS71089  Phlox gracilis W. L. Jepson 1893-5-2 15050 Napa e of Calistoga; Pope Valley Grade Comment
  JEPS85036  Phlox gracilis Larry Heckard and Mary Ashton 1969-5-3 2199 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  CAS-BOT-BC134981  Phoradendron bolleanum John F. Emmel 1971-4-17 342 Napa Butts Creek, 0.4 miles NW of junction Butts Canyon and Snell Valley roads 198 Comment
  UCR80867  Phoradendron densum G. Fred Hrusa 1993-10-3 11427 Napa 2.1 mi SW along Knoxville-Devilhead Rd. from Knoxvlle-Berryessa Rd. 440 Comment
  UC639128  Phoradendron densum H. L. Mason and L. Constance 1939-12-21 Napa on shoulder of Mt. St. Helena (on Middletown-Calistoga rd. at Lake Co. line) Comment
  UCD49303  Phoradendron leucarpum subsp. tomentosum K. Mogel; B. Pekin and M. Higley 2002-5-4 16 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 800 ft. N of power lines along the road that leads N from the meadow; 50 ft. downslope of road. 320 Comment
  UCD49305  Phoradendron leucarpum subsp. tomentosum M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 22 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines. 243 Comment
  CAS-BOT-BC171140  Phoradendron serotinum subsp. tomentosum E. Ruckert 1960-4-25 117 Napa Wall Road, 1 mi W from junction of Dry Creek Road & Wall road 426 Comment
  POM354320  Phoradendron villosum J. J. Walters 1932-3-6 s.n. Napa St Helena. Comment
  CDA12114  Pickeringia montana G. F. Hrusa 1989-5-2 7185 Napa North Coast Biodiversity Arena; Hwy 128 approx. 1/2 mile S of Knoxville-Berryessa Rd. intersection. Comment
  UCD73434  Pickeringia montana 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
Read comments
Aug 3 2010
  CDA7596  Picris echioides T. C. Fuller 1957-10-25 552 -57 Napa Napa Junction. 0 Comment
  CDA7597  Picris echioides T. C. Fuller 1957-10-25 552 -57 Napa Napa Junction. 0 Comment
  JEPS47900  Pinus attenuata Willis L. Jepson 1893-5-4 Napa summit of Mt. St. Helena Napa River Basin, Mt. St. Helena Comment
  SEINET267027  Pinus attenuata Royal D. Suttkus 1967-6-26 67- 30 -4 Napa Clearly Reserves 7.2 mi NW of Pope Valley Comment
  CAS-BOT-BC73375  Pinus attenuata Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5338 Napa Up a canyon, north side of Pope Creek between Samuels Springs and Walters Springs. 243 Comment
  SEINET11737237  Pinus attenuata Unknown 1944-1 s.n. Napa Calastoga Comment
  UCD19939  Pinus ponderosa E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 797 Napa Quail Ridge Reserve. Along Decker Bay Trail, S side of trail on N facing slope. 167 Comment
  SEINET12527538  Pinus ponderosa var. ponderosa D. A. Charlet, Dene Charlet 2005-1-1 2861 Napa Robert Lois Stevenson State Park, Saint Helena Creek drainage, Mayacmas Mountains; west side of highway near trailhead, w 600 Comment
  JEPS103996  Pinus sabiniana Jake Ruygt 1997-11-1 3876 Napa Stags Leap 432 Comment
  JEPS120443  Piperia transversa Jake Ruygt 1992-5-20 2995 Napa West of Leoma Lakes, Wild Horse Valley Ranch (Beuhler). Comment
  UCD74374  Plagiobothrys bracteatus Jake Ruygt 2008-5-21 5339 Napa Near Wildlake Ranch, pond south of Walnut Flat. St. Helena. 664 Comment
  UCR141016  Plagiobothrys fulvus var. campestris Beecher Crampton 1955-4-7 2436 Napa Inner North Coast Ranges, 7.8 miles north of Monticello 159 Comment
  JEPS106766  Plagiobothrys greenei Jake Ruygt 1983-4-8 1414 Napa south side of HWY 12 at Sonoma Co. line 88 Comment
  JEPS68059  Plagiobothrys nothofulvus Willis L. Jepson 1893-4-26 21162 Napa Rutherford Napa River Basin Comment
  UCD149697  Plagiobothrys nothofulvus 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
  UCD23372  Plagiobothrys nothofulvus Rebecca L. Moehlmann 1977-4-16 16 Napa White flowers, pentamerous, pubescent. Foothill woodland with blue oak, live oak and digger pine. Beside Hwy 128, 6.4 miles southwest of Monticello Dam, roadside. Wragg Canyon. 198 Comment
  UCD81829  Plagiobothrys stipitatus var. micranthus Ellen Dean 2009-4-24 5456 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 274 Comment
  CAS-BOT-BC228491  Plagiobothrys strictus John Thomas Howell 1926-3-28 1778 Napa Myrtledale Hot Springs near Calistoga Comment
  CHSC79269  Plagiobothrys strictus Beecher Crampton 1955-4-4 2388 Napa 2 miles north of Calistoga. Comment
  JEPS24976  Plagiobothrys strictus J. P. Tracy May 15 1903-May 18 1903 1857 Napa Region about San Francisco Bay, Napa Valley, Calistoga Hot Springs Region about San Francisco Bay, Napa Valley, Calistoga Hot S 91 Comment
  UC881354  Plagiobothrys strictus Alice Eastwood 1918-5-2 6881 Napa Calistoga Comment
  UC55911  Plagiobothrys tenellus J. P. Tracy 1902-5-18 1539 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 518 Comment
  JEPS68149  Plagiobothrys tenellus W. L. Jepson 1897-5-2 21148 Napa St. Helena Napa Valley 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
  UC881357  Plagiobothrys tener var. subglaber Milo S. Baker 1936-4-8 8176 Napa on road to Lower Lake ca 2 mi n Knoxville Comment
  HSC81864  Plantago elongata Thomas W. Nelson, Jane Nelson 1980-5-3 5148 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  CDA10892  Plantago erecta G. F. Hrusa, M. Rejmanek 1993-5-15 10987 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD49192  Plantago erecta Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 24 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along Decker Ridge Rd., N of jct with South Decker Canyon Rd. 335 Comment
  JEPS6452  Plantago erecta Joseph P. Tracy 1935-3-19 13765 Napa 4 mi nw Calistoga (Knights Valley road); Northern Coast Ranges 213 Comment
  UCD124425  Plantago erecta Robert C. Bechtel 1952-4-6 52 Napa Samuel Springs, 7 miles northwest of Monticello. 91 Comment
  UCD15027  Plantago erecta Janet Zwanziger 1977-4-24 13 Napa 15.6 miles N of Pokeville junction along Knoxville Road. Comment
  CHSC59778  Plantago lanceolata William Schlack 1975-5-16 33 Napa Zinfandel Lane, 2 miles west of State Highway 29. 91 Comment
  JEPS110776  Platystemon californicus Jake Ruygt 1979-4-6 490 Napa 2.3 miles north of Howell Mtn. Rd. on Butts Canyon Rd. 225 Comment
  JEPS120328  Platystemon californicus Jake Ruygt 2005-3-20 4708 Napa Alston Park, Dry Creek Road, Napa. Napa 7.5' Quad. Comment
  UCD170190  Platystemon californicus Daniel Potter; Ninh Khuu, Ellen Dean 2015-3-22 767 Napa Knoxville Wildlife Area, east of Zim Zim Falls. 385 Comment
  UCD82051  Platystemon californicus Robin McMaster 1972-4-22 66 Napa Pope Valley. Comment
  UCD96055  Platystemon californicus G. E. Johnston 1974-4-4 6115 Napa near Bell Canyon, Angwin. 426 Comment
  CAS-BOT-BC91870  Platystemon californicus John Thomas Howell 1926-3-20 1691 Napa Near Calistoga. Comment
  SEINET5718796 Image available Platystemon californicus Stephen Randall 1974-1 1 Napa 1 air mile SW of Pope Valley, just west of Chiles-Pope Valley Road.; Pope Valley 207 Comment
  JEPS6144  Plectritis ciliosa subsp. ciliosa Bacigalupi and Dempster 1954-5-10 4445 Napa road from Monticello to Rutherford (Highway 128, Canyon of Soda Creek); Soda Creek Comment
  UC999824  Plectritis ciliosa subsp. ciliosa S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 691 Napa Lower Lake Road Comment
  UCD117933  Plectritis congesta subsp. brachystemon Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. Just northeast of the fire station along undeveloped road. 519 Comment
  JEPS14267  Plectritis macrocera Bacigalupi and Dempster May, 1955 4446 A Napa between Chiles Valley and Monticello Valley Comment
  UC917295  Plectritis macrocera M. R. Wanzer 1948-4-3 8 Napa 13 mi w of Winters (Putah Canyon); Putah Canyon Comment
  UC999846  Plectritis macrocera S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 689 Napa n of Monticello Comment
  UCD137615  Plectritis macrocera J. D. Skoss 1948-4-10 s.n. Napa Putah Canyon, 12 miles above Winters. Comment
  JEPS75068  Pleuropogon californicus W. L. Jepson 1893-4-24 Napa e of St. Helena (to Conn Valley grade, Napa River Basin); Napa River Basin Comment
  UCD90143  Pleuropogon californicus var. californicus Beecher Crampton 1962-5-8 6417 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  CAS-BOT-BC244370  Poa annua Peter H. Raven 1950-4-15 1705 Napa Along streets, Napa 9 Comment
  CAS-BOT-BC254904  Poa bulbosa Peter H. Raven 1953-4-2 5280 Napa Tulucay Creek 228 Comment
  UCD91104  Poa howellii Beecher Crampton 1956-5-25 3461 Napa Vaca Mountains, eastern slope of Wragg Canyon. Comment
  CAS-BOT-BC246847  Poa napensis John Thomas Howell 1967-5-18 42244 Napa North of Calistoga Comment
  CAS-BOT-BC246849  Poa napensis Peter H. Raven 1957-5-5 10737 Napa Field near the hot springs at the airport, Calistoga Comment
  UCD91553  Poa napensis Peter H. Raven 1957-5-5 10737 Napa Calistoga. Near the hot springs at the airport. Comment
  UCD91555  Poa napensis R. Tofsrud 1948-5-1 s.n. Napa Calistoga. Comment
  SEINET4455613  Poa napensis A. A. Beetle 1946-1 Napa Comment
  CDA10914  Poa secunda G. F. Hrusa, M. Rejmanek 1993-5-15 11010 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CDA31320  Poa secunda D. G. Kelch 2010-5-6 10 .186-B Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD112243  Poa secunda Christopher Mallek 2008-5-12 AS2- 15 Napa Aetna Springs. 668 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
  JEPS76089  Poa secunda subsp. secunda W. L. Jepson 1938-5-24 18844 Napa plateau n of Four Corners (Howell Mt); Napa Range 762 Comment
  JEPS85020  Poa secunda subsp. secunda Larry Heckard and Mary Ashton 1969-5-3 2224 Napa 7 mi ne Napa (Mead Ranch, off Atlas Peak Rd, above and w of meadow) 510 Comment
  UCD18067  Poa secunda subsp. secunda Ellen Dean; with Plant Biology 102 class 2000-4-22 622 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., E side of Devil Head Rd., along road to air quality station. 548 Comment
  RSA114030  Pogogyne douglasii Peter H. Raven 1957-5-5 10749 Napa Near geysers, Calistoga. Comment
  RSA424574  Pogogyne douglasii E. S. Spalding 1924-7-7 s.n. Napa Near Calistoga. Comment
  CDA10877  Pogogyne serpylloides G. F. Hrusa, M. Rejmanek 1993-5-15 10972 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD147465  Pogogyne serpylloides Ellen Dean; Diana Hickson 2014-4-29 8078 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD166671  Pogogyne serpylloides Jake Ruygt 2004-5-4 4593 Napa Pope Canyon Rd, Dept. of Fish and Wildlife property, west of Samuel Springs site. 164 Comment
  UC160998  Polycarpon tetraphyllum Joseph P. Tracy 1902-5-26 1640 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  JEPS112607  Polygala californica Jake Ruygt 1976-5-6 60 Napa 4.2 miles NE of Westgate Dr. on Atlas Peak Rd. 408 Comment
  UCD160732  Polygala californica Ellen Dean 2015-5-23 8784 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
  UCD63348  Polygala californica Daniel Sanchez-Mata 2006-6-15 s.n. Napa Moskowite Corners-Spanish Flat. Capell Valley. Capell Valley Road close to Capell Creek. 220 Comment
  UCR30826  Polygala californica John C. Roos 1939-4-18 313 Napa North Coast Range, Pacific Union College; Angwin 549 Comment
  RSA114988  Polygala californica E. K. Balls, Lee W. Lenz 1955-5-17 20764 Napa 7.6 miles south of Lake-Napa county line along State Highway 20, Middletown to Calistoga 442 Comment
  CAS-BOT-BC413935  Polygonum aviculare subsp. aviculare Peter H. Raven 1951-9-9 3893 Napa Fields at Solano Co. line w. of Hy. 29 15 Comment
  UC523515  Polygonum bolanderi David D. Keck 1933-11-10 2721 Napa 1 mi n Yountville Comment
  UCD99863  Polygonum bolanderi Walter R. Russell 1963-11-5 s.n. Napa ca. 2 miles south of Napa State Hospital, State Highway 12-29. Comment
  POM192997  Polygonum californicum H. P. Bracelin 118 Napa 1 mile of Etua Springs Comment
  UC6673  Polygonum californicum W. H. Brewer 1861-11-4 856 Napa e Camp 64; Napa Valley 609 Comment
  CHSC102529  Polygonum lapathifolium Lowell Ahart 2009-10-27 16491 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  UC1136166  Polygonum lapathifolium B. Schreiber 1936-8-16 2314 Napa 0.8 mi s Yountville; Napa Quadrangle Comment
Read comments
Nov 19 2007
  SEINET3873602  Polypodium californicum Daphne K. Christopher, Hannah Stevens; Mark Bibbo 2003-4-13 166 Napa Uc Davis, Stebbins Cold Canyon Reserve. Near main trailhead.; 0 160 Comment
  SEINET3153012  Polypodium californicum R. H. Platt 1898-3-24 sn Napa Vaca Mts. Comment
  CAS-BOT-BC72056  Polypodium calirhiza John Thomas Howell 1926-3-21 1729 Napa St. Helena Creek near Patten's 609 Comment
  CAS-BOT-BC76855  Polypodium calirhiza Peter H. Raven 1954-1-22 6380 Napa Sulphur Springs Resort, west of St. Helena. 121 Comment
  HSC26626  Polypogon interruptus J. P. Smith, J. O. Sawyer 1970-5-17 3776 Napa 3 mi. S of Pope Valley Comment
  CAS-BOT-BC237257  Polypogon monspeliensis Betty H. Johnson 1968-6-8 599 Napa Near Saint Helena River, 6.4 miles SW of Middletown Comment
  CHSC102291  Polypogon monspeliensis Lowell Ahart 2009-10-12 16465 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS75639  Polypogon monspeliensis W. L. Jepson 1936-5-30 17557 Napa Napa Valley Rutherford; Napa Valley Comment
  JEPS20256  Populus fremontii subsp. fremontii W. L. Jepson 1942-11-1 20748 Napa Conn Valley; Napa Range, Conn Valley Comment
  UCD20031  Prosartes hookeri C. H. Lamoureux; J. M. Tucker, R. Gankin 1957-4-17 1207 Napa Junction of Glass Mountain Road and Silverado Trail. Comment
  CDA11152  Prunus ilicifolia G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11563 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa, above Sarco Creek. Comment
  JEPS110645  Prunus subcordata Jake Ruygt 1990-4-28 2513 Napa Bear Valley 615 Comment
  UC12813  Prunus subcordata Willis L. Jepson 1893-5-8 Napa New Eden Napa River Basin Comment
  JEPS20462  Pseudognaphalium beneolens Willis L. Jepson 1903-9-6 2349 Napa St. Helena Napa River Basin, St. Helena Comment
  UCD19341  Pseudognaphalium luteoalbum M. A. Bibbo; E. Dean 2001-7-6 34 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 2.6 air miles from jct. with S Decker canyon rd. In dry creek drainage just W of rd. 228 Comment
  UC672213  Pseudognaphalium stramineum H. L. Mason 1923-10-6 769 Napa along railroad Suisan Marsh Comment
  UCD73461  Pseudognaphalium thermale Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCD133367  Pseudotsuga menziesii var. menziesii Beecher Crampton 1955-3-15 2328 Napa Calistoga. 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
  UC1111581  Psilocarphus brevissimus var. brevissimus Herbert L. Mason 1935-5-30 2837 Napa just s Napa State Hospital Comment
  UCD161756  Psilocarphus oregonus Jake Ruygt 1996-5-19 3711 Napa west of Barnett Road near Burton Creek, (Peju Pr) Pope Valley. 201 Comment
  CAS-BOT-BC361892  Psilocarphus tenellus John H. Thomas 1958-4-19 7117 Napa About 2 miles SW of Oakville 152 Comment
  JEPS129136  Pteridium aquilinum var. pubescens Jake Ruygt 1979-6-9 679 Napa Spring Mountain Winery (Falconcrest). Saint Helena 7.5' Quad. Comment
  CAS-BOT-BC421126  Pterostegia drymarioides Peter H. Raven 1953-4-2 5248 Napa Hills e. of Imola 121 Comment
  UCD100922  Pterostegia drymarioides E. Hyde 1938-4-28 s.n. Napa Putah Canyon. Comment
  SEINET237202 Image available Puccinellia simplex B. Crampton 1955-3-15 2327 Napa N edge of meadow 2 mi N of Calistoga Comment
  UCD37533  Puccinellia simplex Beecher Crampton 1955-3-15 2327 Napa Napa County, 2 miles north of Calistoga, near Myrtledale Hot Springs. Comment
  UCD92252  Puccinellia simplex R. Tofsrud 1949-4-1 s.n. Napa Calistoga, Myrtledale Hot Springs. Comment
  CAS-BOT-BC460820  Pyrola aphylla H. D. Ripley; R. C. Barneby 1945-6-21 6936 Napa South of Pope Valley 579 Comment
  UCD167051  Pyrola picta Jake Ruygt 1990-5-19 2558 Napa 1/2 mile north of Diamond Mtn. Rd. on HWY 29. 152 Comment
  JEPS20198  Pyrrocoma racemosa var. racemosa R. F. Hoover 1941-8-24 5579 Napa near Calistoga; Myrtledale Hot Springs Comment
  UC725507  Pyrrocoma racemosa var. racemosa A. A. Heller 1927-8-26 14466 Napa Calistoga Comment
  JEPS116571  Quercus X chasei Jake Ruygt 1982-3-22 1141 Napa Sugarloaf Mountain near Skyline Park. 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
  POM262790  Quercus X morehus J. C. Roos 1939-4-16 281 Napa Angwin, Howell Mtn. Comment
  CAS-BOT-BC61807  Quercus agrifolia M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 miles N.E. Cliff Spring Comment
  JEPS37366  Quercus agrifolia W. L. Jepson 1901-11-17 1754 Napa near St. Helena; Napa River Basin Comment
  RSA181899  Quercus agrifolia W. L. Jepson 1901-11-17 1754 Napa St. Helena; Napa River Basin Comment
  SD125384  Quercus agrifolia William C. Overton 1980-7-13 Napa Along south bank of Eticuera Creek, 1.5 miles north of Lake Berryessa. 177 Comment
  SBBG111411  Quercus berberidifolia J. M. Tucker 1950-11-12 2014 -8 Napa Hwy 28, 7.7 mi (by rd) W of jct with Hwy 37; above Sage Crk Comment
  UCD45215  Quercus berberidifolia D. Q. Cavagnaro 1963-9-13 38 Napa On eastern side of range between Sonoma and Napa Valleys, 5 miles southwest of Oakville, Napa County, California. Comment
  UCD45756  Quercus berberidifolia Beecher Crampton 1959-8-14 5435 Napa Markley Canyon, Vaca Mtns. Napa County. Comment
  CAS-BOT-BC62457  Quercus chrysolepis Alice Eastwood 1918-9-3 7953 Napa Mt. St. Helena Comment
  CAS-BOT-BC62462  Quercus chrysolepis John Thomas Howell 1926-10-3 2201 Napa Mt. St. Helena Comment
  UCD96255  Quercus chrysolepis Ellen Dean; with Clare Loughran 2011-5-20 7077 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
  CAS-BOT-BC85934  Quercus douglasii H. E. McMinn 1922-8-3 365 Napa near Lake Co. line between Aetna Springs and Middleton Comment
  JEPS116541  Quercus douglasii Jake Ruygt 1996-5-4 3644 Napa Butts Canyon Road at James Creek Road; field to SE. Aetna Springs 7.5' Quad. Comment
  UC993143  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  UCD121176  Quercus douglasii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7356 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 416 Comment
  UCD45748  Quercus douglasii John M. Tucker; G. L. Stebbins 1950-11-5 2008 11 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; growing with both parental species. Comment
  CAS-BOT-BC86438  Quercus dumosa Peter H. Raven 1951-8-20 3855 Napa near Lokoya 518 Comment
  CAS-BOT-BC86439  Quercus dumosa John H. Thomas 1958-4-19 7113 Napa About 2 miles SW of Oakville 152 Comment
  JEPS46658  Quercus dumosa W. L. Jepson 1896-2-23 Napa Howell Mt. Comment
  CAS-BOT-BC79838  Quercus durata C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC79839  Quercus durata John M. Tucker; G. L. Stebbins 1950-11-5 2011 -7 Napa below Conn Valley dam, hillside across creek from the picnic area Comment
  CAS-BOT-BC79840  Quercus durata John M. Tucker 1950-11-12 2014 -12 Napa Highway 28, 7.7 mi (by road) W of junction with Haighway 37; SE-facing hillslope above Sage Creek Comment
  CAS-BOT-BC79844  Quercus durata M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 mi NE Cliff Spring Comment
  SEINET3144186  Quercus durata Unknown 1950-11-12 2014 -13 Napa Hwy 28, 2.2 mi (by road) W of jnct w/ Hwy 37, above Sage Creek Comment
  UCD118733  Quercus durata Katherine Graham; 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
  UCD14804  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2006 -3 Napa California, Napa Co.; beside road up Howell Mountain, ca. 6 mi. north of St. Helena; Comment
  UCD14807  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -5 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14813  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -20 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  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
  UCD45889  Quercus durata Beecher Crampton 1962-10-9 6704 Napa 7 miles north of Conn Reservoir (Lake Hennessy), Pope Valley Road. Comment
  UCD45897  Quercus durata var. durata J. M. Tucker 1953-10-25 2690 Napa Beside Highway 28, 1.0 mile west of junction of highways 28 and 37, ca. 30 feet from edge of road, on lower side, Capell Canyon, Napa County, California. Comment
  JEPS126031  Quercus garryana Jake Ruygt 1992-9-24 3157 Napa Dry Creek Road west of Oakville Grade; near Bumpy Camp. Rutherford 7.5' Quad. Comment
  UCD46082  Quercus garryana var. garryana W. L. Jepson 1916-8-6 6833 Napa Howell Mt. Comment
  CAS-BOT-BC105294  Quercus kelloggii Peter H. Raven 1951-8-20 3861 Napa near Lokoya 548 Comment
  CAS-BOT-BC105298  Quercus kelloggii Frank Kirby 1977-5-25 s.n. Napa Dry Creek Road NW of Napa Comment
  CAS-BOT-BC105301  Quercus kelloggii Paul F. Covel 1940-4-28 1708 Napa Near Pacific Union College Comment
  JEPS46697  Quercus kelloggii W. L. Jepson 1934-10-11 16899 Napa St. Helena Sanitarium Comment
  RSA476819  Quercus kelloggii T. Gertrude Williamson 1924-7-5 s.n. Napa Near St. Helena. Comment
  UCD45331  Quercus kelloggii 1965-6-26 s.n. Napa La Jolla quicksilver mine, north slope of Mt. St. John, 7 miles northwest of Oakville, Napa County, California. Comment
  UCD46655  Quercus kelloggii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  JEPS116529  Quercus lobata Jake Ruygt 2004-4-12 4584 Napa Gordon Valley Road, south side of Okell Hill. Fairfield North 7.5' Quad. Comment
  JEPS37469  Quercus lobata Willis L. Jepson 1901-11-17 1751 Napa St. Helena Napa River Basin Comment
  SACT002665  Quercus lobata John Willoughby 1979-5-25 Napa About 1 mile south of Signal Hill just below and to the west of the Blue Ridge, in foothill woodland on the north side of the flat. 609.6 Comment
  UC615360  Quercus lobata Beryl O. Schreiber 1932-4-3 201 Napa road to Calistoga Comment
  UCD49050  Quercus lobata Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 4 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just N of jct with Cut-Off Rd., near dilapidated buildings. 152 Comment
  CAS-BOT-BC104839  Quercus wislizeni G. F. Ferris 1920-10-1 s.n. Napa Napa Comment
  CAS-BOT-BC104982  Quercus wislizeni Alice Eastwood 1918-5-1 6866 Napa Mt. St. Helena Comment
  UCD118565  Quercus wislizeni Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. NE of fire station ca. 0.1 mi. on undeveloped road on N side of road. 518 Comment
  UCD47488  Quercus wislizeni John M. Tucker 1953-10-23 2688 Napa Roadside, east side of Highway 37, 1.5 miles south of junction with Highway 28, Steel Canyon, Napa County, California. Comment
  UCR212387  Quercus wislizeni Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
  UCD147530  Quercus wislizeni var. frutescens Ellen Dean; Diana Hickson 2014-4-29 8084 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD47630  Quercus wislizeni var. frutescens G. F. Hrusa; G. L. Stebbins 1994-5-11 11609 Napa Poorly drained rhyolitic ash flat on Ink Grade approx. 2 miles N of Angwin on Howell Mtn. 520 Comment
  JEPS110889  Ranunculus arvensis Jake Ruygt 1991-5-6 2646 Napa Wantrop Preserve, Pope Valley 184 Comment
  CHSC23156  Ranunculus californicus Carol C. Getzinger 1964-3-24 14 Napa Mt. Veeder Road, .3 miles south of junction with Dry Creek Road. 548 Comment
  RSA786317  Ranunculus californicus Keith E. Hoffmaster 1946-3-23 1223 Napa Napa range, along Napa-Monticello road. Comment
  JEPS120435  Ranunculus californicus Jake Ruygt 2008-4-7 5278 Napa Tubbs Lane, west of Myrtledale Rd. Comment
  UC9499  Ranunculus californicus Willis L. Jepson 1896-2-22 Napa Stone Bridge Hill Napa River Basin Comment
  RSA268176  Ranunculus californicus var. gratus Lyman Benson 1931-2-26 19 Napa Mayacamas, Napa Watershed, intergrading from lower edge of Mt St. Helena 213 Comment
  JEPS110875  Ranunculus hebecarpus Jake Ruygt 1986-3-29 1672 a Napa Toll Canyon 210 Comment
  UCD96168  Ranunculus lobbii R. H. Miller 1949-4-6 19 Napa north side of Highway 37, 1/2 mile west of Napa. Comment
  POM263164  Ranunculus muricatus J. C. Roos 1939-4-18 314 Napa Howell Mountain, Angwin. Comment
  UCD15590  Ranunculus muricatus J. A. Johnston 1995-5-7 3 Napa Hwy 128, approx. 1 mile west of Markley Cove on Lake Berryessa. 700 Comment
  JEPS77945  Ranunculus occidentalis Edward Lee 1936-3-15 1811 Napa Rutherford-Pope Valley road 10.7 mi out of Rutherford Comment
  UCD168562  Ranunculus occidentalis Stephen P. Rae; A. Solomeshch 2007-3-17 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  JEPS60703  Ranunculus orthorhynchus var. bloomeri W. L. Jepson 1921-5-6 9176 Napa Calistoga 109 Comment
  UC162818  Ranunculus pusillus Joseph P. Tracy 1902-5-18 1531 Napa La Jota Plateau Northern Coast Region, Howell Mountain (on hills at head of Moore's Creek, 3-4 mi e of Angwin's) 518 Comment
  JEPS110989  Ranunculus pusillus Jake Ruygt 1990-5-5 2525 Napa Johnsons Meadow, Wild Horse Valley Ranch 420 Comment
  UCD160034  Raphanus raphanistrum Steve Wathan 2015-3-10 2015- 1 Napa McLaughlin UC Reserve. Knoxville Mine site, ca. 7 miles south of McLaughlin Field Station. 396 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
  UCD115232  Raphanus sativus M. R. Wanzer 1948-5-6 13 Napa Putah Canyon, 8.5 miles west of Winters. Comment
  JEPS106865  Rhagadiolus stellatus Jake Ruygt 1989-4-29 2297 Napa Napa River north of Trancas St.,Napa 3 Comment
  CAS-BOT-BC362892  Rhagadiolus stellatus Alice Ackley; Marie Taylor 1978-3-28 s.n. Napa Triniti Road Comment
  CAS-BOT-BC56019  Rhamnus ilicifolia H. E. McMinn 1922-3-27 55 Napa Slope on Mt. St. Helena Comment
  SBBG14329  Rhamnus ilicifolia L. B. Hendrix 1962-5-5 41 Napa S end of Lake Berryessa Comment
  CAS-BOT-BC199722  Rhododendron occidentale L. R. Abrams 1928-5-4 12286 Napa 4 mi. south of Middletown Comment
  JEPS77766  Rhododendron occidentale Douglas W. James Jr. 1973-5-5 108 Napa 1.3 miles up (Northwest) Chiles and Pope Valley Road from junction with Lower Chiles Road. 213 Comment
  UC1221788  Rhododendron occidentale Beecher Crampton 1959-5-11 5204 Napa slopes above Capell Creek (n end of Capell Valley); Capell Valley Comment
  UC763158  Rhododendron occidentale R. F. Hoover 1941-4-26 4927 Napa Canyon n of Pope Valley (on road to Butts Canyon) Comment
  UCD117984  Rhododendron occidentale W. R. Russell; A. D. Graham 1954-5-7 s.n. Napa Between Pope Valley Store and Lake County line, Upper Chiles Valley. Comment
Read comments
Mar 21 2013
  UCD164590  Rhododendron occidentale A. Amezcua 1995-4-29 3 Napa Along the side of Butts Canyon Road, 500 m south of Snell Valley Road. 400 Comment
  UCD20704  Rhododendron occidentale A. T. Leiser 1984-10-27 RLS 2 Napa Robert Louis Stevenson State Park (Hwy 29 N. from Calistoga) along creek immediately S. of trail, near the old mine entrance. Within 10 ft of creek bed. Comment
  UCD68033  Rhododendron occidentale Allen Barnes 1976-6-1 24 Napa On highway 128, 3.9 miles Northwest of Moskowite Corners, approximately 200 yds West of roadside. Found on canyon slopes, in a moist area near creek, common but not numerous. A large bush, 3-5 ft. high. Flowers, creamy yellow and sticky. Comment
  CDA38891  Rhododendron occidentale A. T. Leiser 1984-9-23 s.n. Napa Butts Canyon Rd. along both sides of Butts Creek. Lake County line to 500' southeast of county line, predominately on southwest bank, a few on northeast bank. 0 Comment
  SEINET6165491 Image available Rhododendron occidentale Unknown 1981-5-18 s.n. Napa 9.9 mi S of middleton, down Butts Canyon Rd. Comment
  CAS-BOT-BC200042  Rhododendron occidentale var. occidentale H. E. McMinn 1922-6-8 169 Napa Near summit of Howell Mt. Comment
  CAS-BOT-BC168039  Rhus aromatica John Thomas Howell 1926-3-28 1769 Napa St. Helena Creek below Patten's Comment
  CAS-BOT-BC200647  Rhus aromatica John Thomas Howell 1929-5-30 4266 Napa Bank of Pope Valley Creek, 4 miles east of Samuels Springs, Napa Range Comment
  CAS-BOT-BC200649  Rhus aromatica H. E. McMinn 1922-6-18 197 Napa Pope Creek Canon [Canyon] Comment
  JEPS66270  Rhus trilobata W. L. Jepson 1924-5-8 10411 Napa near mouth of Pope Creek (w side of Berryessa Valley); Berryessa Valley Comment
  UC34925  Rhus trilobata Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  CAS-BOT-BC168938  Ribes malvaceum Peter H. Raven 1953-2-21 5195 Napa Steel Canyon 213 Comment
  UCD33890  Ribes malvaceum Beecher Crampton 1975-2-17 9106 Napa Napa County, 1/2 mile west of Monticello Dam. Comment
  UCD49073  Ribes malvaceum S. Murphy; K. Keck and K. Dyer 2002-5-5 19 Napa Quail Ridge UC Reserve, northern tip of ridge, NE from intersection of West and East roads ca. 500 m, along edge of upper road leading out to power lines and tip parcels. 328 Comment
  CAS-BOT-BC198891  Ribes roezlii var. cruentum C. B. Wolf 1928-2-25 1499 Napa Mt. St. Helena Inn at summit of Mt. St. Helena Grade Comment
  RSA0024606  Ribes roezlii var. cruentum W. L. Jepson 1893-4-25 13524 Napa Trail to Caux s Cabin, mountains W of St. Helena. Napa River basin. Comment
  JEPS126025  Ribes sanguineum var. glutinosum Jake Ruygt 1982-3-22 1139 Napa Marie Creek, Skyline Park. Mount George 7.5' Quad. Comment
  JEPS110833  Ribes victoris Jake Ruygt 1980-5-4 876 Napa canyon near Bateman Creek 597 Comment
  POM141904  Ribes victoris W. L. Jepson 1892-05 s.n. Napa Trail to [?] Cabin. Comment
  UCD167046  Ribes victoris Jake Ruygt 1988-4-11 2146 Napa Newell Canyon. 158 Comment
  UC1182093  Ribes victoris var. minus C. R. Quick and Alice Quick 1935-3-10 170 Napa canyon just w Rutherford Canyon; Napa Valley 304 Comment
  CAS-BOT-BC363046  Rigiopappus leptocladus John Thomas Howell 1931-4-19 6445 Napa Conn Valley Comment
  CDA10846  Rigiopappus leptocladus G. F. Hrusa, G. L. Stebbins 1994-4-18 11783 A Napa North Coast Biodiversity Arena; On side of rd. approx. 3 m. above Aetna Springs. 231 Comment
  HSC83455  Rigiopappus leptocladus G. Holstein 1977-5-11 Napa Edge of highway, along Hwy. 128, 0.2 mi. S of intersection with Barryessa-Knoxville Rd., Capell Valley Comment
  UC668195  Rigiopappus leptocladus Joseph P. Tracy 1938-6-5 15827 Napa 3 to 4 mi e Angwin's (on hills at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  UCD32572  Rigiopappus leptocladus Beecher Crampton 1954-5-20 1926 Napa 8 miles southwest of Monticello, along highway 128. Comment
  UCD38692  Rigiopappus leptocladus Beecher Crampton 1957-5-16 4044 Napa North end of Capell Valley, above Capell Creek, along Hwy. 128. Comment
  JEPS53824  Rorippa W. L. Jepson 1936-5-30 17556 Napa Rutherford Napa Valley, Rutherford Comment
  JEPS106793  Rorippa curvisiliqua Jake Ruygt 1996-6-2 3739 Napa Buchli Station area of Duhig Road; near Huichica Creek 5 Comment
  CAS-BOT-BC74597  Rorippa curvisiliqua Peter H. Raven 1952-6-28 4199 Napa Hennessey Lake. 121 Comment
  UC555671  Rosa californica Herbert L. Mason 1923-10-6 774 Napa along Wooden Valley Rd. Comment
  CAS-BOT-BC148157  Rosa gymnocarpa Elsa G. Ruckert 1960-5-7 143 Napa Wall Road, 1/4 mile from junction with Dry Creek Road 365 Comment
  CAS-BOT-BC148159  Rosa gymnocarpa Alice Eastwood 1922-5-4 11248 Napa Calistoga Comment
  RSA195350  Rosa gymnocarpa Gilbert Muth 1967-5-19 692 Napa Milliken Dam. 335 Comment
  RSA73974  Rosa spithamea Milo S. Baker 1947-7-7 11845 Napa Near end of wood road leading S from Mt. St. Helena Inn towards the 'Crater'. 915 Comment
  UCD17693  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 83 Napa California. Napa County: junction of Silverado Trail and Spring Valley Road near 'Mather House. Comment
  UCD91423  Rubus ulmifolius Lindsay Clark 2009-8-14 MCD 12 Napa Near Rt.128 bridge over Putah Creek, about 30 m from water. Monticello Dam, where Putah Creek meets Lake Berryessa. 182 Comment
  UCD164828  Rubus ulmifolius var. ulmifolius Jake Ruygt 2012-6-30 5872 Napa Putah Creek. 143 Comment
  UCD17923  Rubus ursinus H. Olmo; T. S. Mallah 1953-4-8 53- 84 Napa California. Napa County: junction of Silverado Trail and Spring Valley Road near the 'Mather House. Comment
  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
  CHSC102260  Rumex dentatus Lowell Ahart 2009-10-27 16492 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS120355  Rumex occidentalis Jake Ruygt 1980-6-1 906 Napa Edgerley Island. Cuttings Wharf 7.5' Quad. Comment
  CAS-BOT-BC433758  Rumex pulcher Peter H. Raven 1952-5-31 4099 Napa Yountville 30 Comment
  SEINET9331061  Rupertia physodes Unknown 1953-5-19 1301 Napa Dense stand under oaks, along Hwy 128 about 9 mi E of Rutherford. Comment
  CDA19126  Ruppia maritima D. Dannenberg 2001-6-14 PDR 1103335 Napa N side of American Canyon Dump at end of Eucalyptus Dr. 0 Comment
  LA208563  Salix breweri Mrs. H. P. Bracelin; 1931-4-17 253 Napa Butt Canyon, between Pope Springs and Aetna Valley 300.0 Comment
  UCD102771  Salix breweri Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 410 Comment
Read comments
Jul 22 2018
  POM202753  Salix exigua I. L. Wiggins 1932-3-12 5755 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  RSA3942  Salix exigua I. L. Wiggins 1932-3-12 5755 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  JEPS38404  Salix laevigata Willis L. Jepson 1893-4-29 16 s Napa Bewery Rd. York Creek; Napa River Basin Comment
  CAS-BOT-BC539354  Salix laevigata Jake Ruygt 1995-3-21 3408 Napa End of Niebaum Lane, Bear Canyon 89 Comment
  UCD164806  Salix laevigata Jake Ruygt 1997-4-8 3827 Napa East end of Taplin Road; Heitz Cellars. 109 Comment
  UC483317  Salix lasiandra subsp. lasiandra Ira L. Wiggins 1932-3-12 5750 Napa 1 mi. n. Calistoga (N. Fork Napa R.); N. Fork Napa R. Comment
  CAS-BOT-BC125150  Salix lasiandra var. lasiandra Ira L. Wiggins 1932-3-12 5750 Napa North fork of the Napa River, 1 mi. N. of Calistoga Comment
  UC482323  Salix lasiolepis C. R. Ball and Harold E. Parks 1931-2-17 19 Napa 1 mi nw Calistoga (in shallow arroyo) Comment
  UC504070  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 1 Napa Dry Creek Rd. aprroximately 15 mi from Napa Comment
  UC504071  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 1 Napa Dry Creek Rd. aprroximately 15 mi from Napa Comment
  CAS-BOT-BC539338  Salix lasiolepis Jake Ruygt 2007-2-18 5118 Napa Moore Creek, Las Posadas State Forest Comment
  CAS-BOT-BC124414  Salix lasiolepis var. lasiolepis W. R. Dudley 1895-2-23 s.n. Napa Head of Napa Valley Comment
  SEINET7972676  Salvia columbariae W. Roderick 1967-5-7 s.n. Napa Oakville Road. 152 Comment
  CAS-BOT-BC225171  Salvia sonomensis Elizabeth Wright 1922-4-1 217 Napa Near Calistoga Comment
  UC634916  Salvia sonomensis H. L. Mason 1926-3-22 2795 Napa from Calistoga to Petrified Forest Comment
  UCD149684  Salvia sonomensis Stephen P. Rae; Ayzik Solomeshch 2006-4-14 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  UCSB24695  Salvia sonomensis McMinn, Howard 1925-5-25 Napa Summit Wooden Valley grade Comment
  JEPS106729  Sambucus mexicana Jake Ruygt 1989-5-27 2350 Napa Napa River about 50 yards south of Lincoln Ave., Napa 6 Comment
  UCD137688  Sambucus nigra subsp. caerulea Andreas Stohr 1996-4-21 4 Napa on Road 128, on cliff above Putah Creek. 100 Comment
  RSA90497  Sanguisorba minor Milo S. Baker 1931-7-9 5345 Napa 1/4 mile E of Calistoga Geyser. Comment
  JEPS45502  Sanguisorba minor subsp. muricata W. L. Jepson 1908-5-23 3007 Napa St. Helena; Sunkler Ranch Comment
  JEPS129017  Sanicula bipinnata Jake Ruygt 2016-5-7 6239 -X Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  POM196058  Sanicula bipinnata L. F. Robbins 1928-3-18 s.n. Napa Putah Canyon. Comment
  UCD169881  Sanicula bipinnatifida Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 721 Napa Knoxville Wildlife Area. 352 Comment
  UCSB4638  Sanicula bipinnatifida Keator, Glenn 1959-4-1 Napa About 0.2 miles south of northwest Calistoga city limits on highway 128 Comment
  JEPS104477  Sanicula crassicaulis Jake Ruygt 1979-3-31 465 Napa Trefethen hillside property 91 Comment
  UCD127974  Sanicula crassicaulis K. Esau Date Unknown s.n. Napa near Monticello. Comment
  UCD169889  Sanicula crassicaulis Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 729 Napa Knoxville Wildlife Area. 311 Comment
  UCD20825  Sanicula crassicaulis N. Nicola 2001-3-30 041 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  UCD48492  Sanicula crassicaulis A. Van Houtte; E. Leger and C. Hohn 2001-4-14 12 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, on W side of S. Decker Canyon Rd., in drainage at NW rim of stock pond in Decker Canyon, W and upslope from ruined cabins. 152 Comment
  UCD81387  Sanicula crassicaulis M. Wiesendanger 1927-5-4 680 Napa Near Monticello. Comment
  UCD95923  Sanicula laciniata Ellen Dean; with Clare Loughran 2011-5-20 7056 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  UCD18024  Sanicula tuberosa Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 570 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  UCD128041  Sanicula tuberosa G. L. Webster 1967-3-23 7497 Napa vicinity of Bear Flat, north of Red Mountain. 213 Comment
  CAS-BOT-BC94882  Saxifraga californica R. C. Wenk 2006-4-30 438 Napa Robert Louis Stevenson S.P., trail E from Hwy 29 parking lot for trail to Mt. St. Helena, 0.5 mi from lot on left side Comment
  RSA0054872  Scandix Keith E. Hoffmaster 1939-4-6 905 Napa Putah can. Comment
  RSA0054874  Scandix Keith E. Hoffmaster 1946-3-23 1260 Napa Along Monticello-Napa road. Comment
  SFV11127  Scandix pecten-veneris F. M. Ball May 1961 s. n. Napa 2 miles north of Calistoga on State Highway 29. Roadside. 130 Comment
  UCD118610  Scandix pecten-veneris William Goss; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat. 388 Comment
  UCD73523  Schedonorus arundinaceus Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC21127  Schoenoplectus acutus var. occidentalis Peter H. Raven 1951-9-9 3910 Napa Slaughterhouse Pt., Napa River. 0 Comment
  RSA92927  Schoenoplectus robustus Peter H. Raven 1951-9-9 3900 Napa Near slaughterhouse Point, Napa River. 0 Comment
  JEPS121368  Scirpus acutus var. occidentalis Jake Ruygt 1988-5-4 2184 Napa .5 miles NE of Flosden Rd. intersection with American Cyn Rd. Comment
  JEPS63963  Scirpus microcarpus W. L. Jepson 1916-8-6 6841 Napa Moore's Creek , Moore's Creek (Howell Mt.) 487 Comment
  JEPS121373  Scirpus microcarpus Jake Ruygt 1984-6-2 1565 Napa Conn Dam Comment
  JEPS63957  Scirpus microcarpus Willis L. Jepson 1893-6-26 21218 Napa Howell Mt. Napa Range, , Napa River Basin (Napa River Basin) Comment
  CAS-BOT-BC240026  Scribneria bolanderi John Thomas Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  RSA170259  Scribneria bolanderi Joseph P. Tracy 1950-5-23 18674 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  UCD92539  Scribneria bolanderi Joseph P. Tracy 1950-5-23 18674 Napa La Jota Plateau. Howell Mountain. At head of Moore's Creek, 3.4 miles east of Angwin's. Comment
  UC1125698  Scrophularia californica A. Lewis 1932-5-17 85 Napa Sarcos Canyon; Napa Quadrangle 152 Comment
  UC1713626  Scutellaria californica Joseph Andorfer Ewan 1934-4-30 8841 Napa 5 mi s of Monticello (on Steel Canyon Road); Steel Canyon Road Comment
  JEPS120411  Secale cereale Jake Ruygt 2009-5-15 5409 z Napa Hwy 12, Jameson Canyon, 1/4 w of county line. 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
  SD95203  Sedella pumila Cory D. Spencer 1972-4-15 Napa 7.8 miles north of U. S. Post Office. Comment
  UCD102065  Sedum spathulifolium T. Adams 1998-5-17 24 Napa about 3.5 miles up Soda Canyon Road. 167 Comment
  JEPS103970  Selaginella wallacei Jake Ruygt 1992-7-4 3068 Napa East side of Mt. George (Lair property) Wild Horse Valley. 417 Comment
  UCR141753  Selaginella wallacei J. French 1969-2-15 s.n. Napa 7 mi NE of Napa on State Hwy 121 243 Comment
  CAS-BOT-BC366854  Selaginella wallacei Greg de Nevers; Steve Ehret 1998-2-16 11137 Napa Devil's Falls Comment
  RSA26406  Selaginella wallacei John Thomas Howell 1941-4-5 16163 Napa Franz Valley Comment
  CAS-BOT-BC363357  Senecio aronicoides Peter H. Raven 1951-5-20 2857 Napa Hills w. Oakville 548 Comment
  CAS-BOT-BC363359  Senecio aronicoides J. Clausen 1935-5-23 1072 c Napa Howell Mountain, near summit, 6.5 mi. N. of St. Helena Comment
  CDA8606  Senecio clevelandii B. E. Eaton 1970-6-24 Napa Berryessa Estates, Snell Valley. 0 Comment
  POM5756  Senecio eurycephalus C. F. Baker 1903-5-8 3080 Napa Knoxville Comment
  UCD33551  Senecio flaccidus var. douglasii Beecher Crampton 1969-10-14 8521 Napa 1.5 miles west of Monticello Dam on Hwy. 128. Comment
  JEPS37649  Senecio integerrimus var. exaltatus W. L. Jepson 1915-4-24 6262 Napa Chiles Creek Conn Valley Comment
  JEPS126081  Sesbania punicea Jake Ruygt 1992-6-1 3008 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Quad. Comment
  CAS-BOT-BC243631  Setaria pumila Peter H. Raven 1952-8-26 5152 Napa Road NE of Buchli Station 30 Comment
  CAS-BOT-BC240237  Setaria viridis Peter H. Raven 1952-9-14 5182 Napa Napa State Game Farm 121 Comment
  UCD167172  Sidalcea calycosa subsp. calycosa Jake Ruygt 1982-6-21 1332 Napa Suscol Plain near Kaiser Steel, Rocktram. 1 Comment
  JEPS110709  Sidalcea diploscypha Jake Ruygt 1995-6-3 3484 Napa Mt. St. Helena, 100 yds from HWY 29 summit. 679 Comment
  JEPS110710  Sidalcea diploscypha Jake Ruygt 1978-5-21 324 Napa 2.9 miles east of Silverado Trail on Sage Canyon Rd. 97 Comment
  RSA185857  Sidalcea diploscypha John H. Thomas 1955-5-21 5158 Napa Near State Highway No. 125 and Capell Creek, about 12 miles east of St. Helena 244 Comment
  UCD160676  Sidalcea diploscypha Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8748 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 178 Comment
  UCD41312  Sidalcea diploscypha Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 4 Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
  JEPS50094  Sidalcea hartwegii W. L. Jepson with R. F. Hoover 1938-6-8 18890 Napa Lower portion of Butts Canyon Comment
  UCD116745  Sidalcea hartwegii Jake A. Ruygt 1975-5-17 37 Napa above south wall of canyon, Milliken Creek, 4.5 miles south of Trancas Street and State Highway 29 intersection. 60 Comment
  JEPS122752  Sidalcea hickmanii subsp. napensis Jake Ruygt 2011-6-9 5800 Napa South side of Mt George, Palmaz Vineyards. Quad: Mt. George. Comment
  CHSC83385  Sidalcea keckii L. P. Janeway; B. Castro 2002-5-12 7536 Napa Inner North Coast Ranges. South-facing slope along Pocock Creek above and below the dirt road from Devilhead Road. 503 Comment
  JEPS100817  Sidalcea keckii Dean Wm. Taylor with Mey Akasah 1999-6-3 17221 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  UCD170376  Sidalcea keckii Daniel Potter; N Khuu 2016-5-8 873 Napa Knoxville Wildlife Area, west of Berryessa-Knoxville Road along trail from Zim Zim Falls trailhead to lower Nevada Creek, just west of tributary to Nevada Creek. 281 Comment
  UCD49174  Sidalcea keckii Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Tom Liebmann 2001-4-28 8 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found on NW side of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft) NW of jct with S. Decker Canyon Rd. 237 Comment
  POM118515  Sidalcea malviflora subsp. laciniata Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC18857  Sidalcea malviflora subsp. laciniata Willis L. Jepson 1893-4-26 Napa Vineland Napa River Basin, Vineland Comment
  JEPS106851  Silene californica Jake Ruygt 1981-5-13 1022 Napa .2 miles east of Flosden Rd. on north side American Canyon 164 Comment
  JEPS50888  Silene californica W. L. Jepson 1938-5-22 18831 Napa Butts Canyon South Fork Butts Canyon, South Fork Comment
  UC796479  Silene gallica Ira L. Wiggins 1949-4-30 12074 Napa about 1.5 mi ne Calistoga (along old toll road between Calistoga and Middletown); ne of Calistoga Comment
  CAS-BOT-BC388145  Silene gallica Peter H. Raven 1952-6-28 4193 Napa Hennessey Lake 121 Comment
  UC465687  Silene gallica C. F. Sonne April 1888 2176 Napa Comment
  CAS-BOT-BC389183  Silene laciniata subsp. californica Peter H. Raven 1950-6-20 2362 Napa In the Napa Range between Conn Valley & Howell Mtn. Comment
  UCR212283  Silene multinervia Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
  CAS-BOT-BC135365  Sisyrinchium L. R. Abrams 1928-5-3 12212 Napa St. Helena Grade Comment
  POM118568  Sisyrinchium bellum Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SEINET3876398  Sisyrinchium bellum J. F. Addicott 1965-3-19 6 Napa Dollarhide Road, 3.5 miles east of Pope Valley.; 0 183 Comment
  UCD170815  Sisyrinchium bellum 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), in meadow on the west side of Maxwell Creek. 166 Comment
  UCD18175  Sisyrinchium bellum 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
  UCD81442  Sisyrinchium bellum M. Wiesendanger 1927-5-4 s.n. Napa Near Monticello. Comment
  SEINET4171055  Sisyrinchium bellum Unknown 1967-5-1 Napa 13.4 miles W. of Winters on State Hwy 128 137 Comment
  UCD23394  Sisyrinchium bellum Alana Adams 1977-4-28 10 Napa Grassy meadow, partly shaded by oaks. 14.75 miles north of Barryessa Knoxville Rd. and Highway 128 intersection on Berryessa Knoxville Rd. 243 Comment
  UCD67945  Sisyrinchium bellum Sally Jue 1977-4-16 21 Napa Along Hwy. 128, 6.4 mi. SSW of Monticello Dam. 198 Comment
  SEINET4171098  Sisyrinchium douglasii Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15090 Napa Under Chaparral, 20 miles north of Napa Comment
  UCD170148  Solanum parishii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 734 Napa Knoxville Wildlife Area 257 Comment
  CDA33362  Solanum rostratum Robin Breckenridge 2010-9-29 PDR# 5059104 Napa Lake Berryessa. 0 Comment
  CDA34153  Solanum rostratum L. Ahart 2009-10-27 16494 Napa About 50 yards southeast of Eticuera Creek, and about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road. Approximately, 20 miles (air) northwest of Winters. Comment
  JEPS115758  Solanum rostratum Lowell 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 miles (air) northwest of Winte 130 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
  OBI9134  Solanum umbelliferum R. L. Hoover 1968-4-11 21 Napa 1 block W of hwy 1 on Palm Ave, Marina Comment
  OBI74554  Solidago elongata David J. Keil 1986-11-8 19790 Napa Along lake Berryessa Knoxville Rd near Knoxville. 2.3 mi S of turnoff to Homestake McLaughlin Mine/Mill Comment
  CAS-BOT-BC365095  Solidago velutina subsp. californica John Thomas Howell 1933-8-27 11626 Napa Sage Canyon, Napa Range Comment
  UC1776802  Solidago velutina subsp. californica G. F. Hrusa 1993-10-3 11424 Napa North Coast Biodiversity Arena; 2.1 m. SW along Knowxville-Devilhead Rd. from Knoxville-Berryessa Rd 518 Comment
  UCD32416  Soliva sessilis Beecher Crampton 1950-5-7 571 Napa Napa County, on abandoned road along Napa Soda Springs Road, above Soda Creek. 228 Comment
  CAS-BOT-BC374656  Sonchus oleraceus Peter H. Raven 1954-2-22 6396 Napa Saint Helena 60 Comment
  UCD136154  Sonchus oleraceus H. J. Baade 1920-5-1 s.n. Napa Napa. Comment
  UC1198270  Sparganium erectum subsp. stoloniferum Joseph P. Tracy 1938-8-7 16093 Napa between Napa City and Yountville; Napa Valley 30 Comment
  CAS-BOT-BC390297  Spergularia macrotheca var. longistyla Milo S. Baker 1927-5-1 2111 a Napa Calistoga Geyser Comment
  JEPS112631  Stachys ajugoides var. rigida Jake Ruygt 1996-4-20 3616 Napa Jameson Vineyards, Jameson Canyon. 79 Comment
  CDA11969  Stachys albens G. F. Hrusa, M. Hooper 1995-9-12 12461 Napa North Coast Biodiversity Arena; First main tributary on W side of Lake Hennessey above Conn Dam. Comment
  UCD148847  Stachys albens Ellen Dean; Diana Hickson 2014-4-29 8150 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 462 Comment
  UC1537556  Stachys albens Gordon H. True Jr. 1937-7-30 828 Napa near Etna Springs 365 Comment
  UCD81826  Stachys rigida Ellen Dean 2009-4-24 5453 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  JEPS115731  Stachys stricta Lowell Ahart 2009-10-12 16441 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winte 133 Comment
  CAS-BOT-BC386935  Stellaria media Peter H. Raven 1954-2-22 6393 Napa along streets, St. Helena 60 Comment
  UCD161325  Stephanomeria elata Jake Ruygt 1980-8-14 797 Napa Suscol hill, mediam strip of highway. (Coordinates estimated by label maker at UC Davis). 30 Comment
  CHSC102285  Stephanomeria virgata subsp. pleurocarpa Lowell Ahart 2009-10-12 16430 Napa Just above the high water line of Lake Berryessa, along the west side of Capelll Creek north of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  HSC100782  Stephanomeria virgata subsp. pleurocarpa Lowell Ahart 2009-10-12 16430 Napa Along W side of Capell Creek, N of rest area, 3/4 mi. SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd., 19 (air) mi. W of Winters. 133 Comment
  JEPS126107  Stephanomeria virgata subsp. pleurocarpa Jake Ruygt 1978-8-29 401 Napa 8.3 miles N of Redwood Road on Dry Creek Road. Rutherford 7.5' Qua. Comment
  UCD33550  Stephanomeria virgata subsp. pleurocarpa Beecher Crampton 1969-10-14 8520 Napa 1.5 miles west of Monticello Dam on Hwy. 128. Comment
  JEPS122972  Stipa lepida Jake Ruygt 1982-5-12 1243 Napa American Canyon Road, 0.7 mile east of Flosden Road. Quad: Cordelia. 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
  UCD170572  Stipa miliacea var. miliacea Daniel Potter; N Khuu, K Battenberg 2016-4-30 865 Napa Knoxville Wildlife Area, on ridge west of Zim Zim Falls Creek trailhead. Comment
  SEINET10893290  Stipa pulchra David D. Keck 1931-4-2 Keck 1033 Napa Wooden Valley road, east side of Napa Range, 8 miles from Napa. Comment
  UC956567  Streptanthus barbiger Freed W. Hoffman 1948-6-6 2329 Napa Spring Mountain rd North Coast Ranges, St. Helena Reservoir Comment
  CAS-BOT-BC61252  Streptanthus breweri John Thomas Howell 1937-7-18 13101 Napa Mount Saint Helena Creek. North Napa county. Comment
  UC630658  Streptanthus breweri var. breweri John L. Morrison and G. Ledyard Stebbins Jr. 1938-5-20 3035 Napa about 0.7 mi w Knoxville (on road to Lower Lake); Middle North Coast Ranges 457 Comment
  UC1198806  Streptanthus breweri var. hesperidis Joseph P. Tracy 1902-5-16 1488 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  UC956592  Streptanthus breweri var. hesperidis Freed W. Hoffman 1949-5-10 2777 Napa along pipe line 1/4 mi below Conn Dam; North Coast Ranges Comment
  UC1292725  Streptanthus breweri var. hesperidis Freed W. Hoffman 1947-8-4 1041 Napa near Detert Reservoir; Napa-Lake County line Comment
  POM215780  Streptanthus glandulosus D. D. Keck 1933-5-29 2370 Napa Pope Creek bridge south of Walters Springs. Comment
  CAS-BOT-BC87159  Streptanthus glandulosus subsp. glandulosus John H. Thomas 1958-4-19 7116 Napa About 2 miles southwest of Oakville. 152 Comment
  CAS-BOT-BC87161  Streptanthus glandulosus subsp. glandulosus J. F. Emmel 1970-4-19 266 Napa Along powerline firebreak, 0.2 air mile southwest of Walter Springs. 320 Comment
  JEPS129022  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2016-4-2 6171 -C Napa Smittle Creek NCRPOD, W of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UC517969  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-3 6120 Napa Pope Creek Canyon Napa Range Comment
  JEPS96912  Streptanthus hesperidis Dean W. Taylor 1998-6-23 16689 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  UCD170471  Streptanthus hesperidis Daniel Potter; A Holland, D McNair, H Won, K Battenberg 2016-6-23 900 Napa Knoxville Wildlife Area, west slope of ridge above upper Zim Zim Creek drainange east of Knoxville-Devilhead Road. 572 Comment
  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
  UCD170472  Streptanthus morrisonii Daniel Potter; A Holland, D McNair, H Won, K Battenberg 2016-6-23 901 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 477 Comment
  JEPS129117  Stylocline gnaphaloides Jake Ruygt 2012-4-28 5839 Napa Crystal Flats, west of Putah Creek. Aetna Springs 7.5' Quad. Comment
  JEPS12888  Symphoricarpos albus var. laevigatus Willis L. Jepson 1893-9-24 Napa Angwin's; Napa River Basin, Howell Mt. 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-BC97737  Symphyotrichum chilense Alice Eastwood 1920-7-31 9987 Napa Vallejo Comment
  CAS-BOT-BC98080  Symphyotrichum lentum John Thomas Howell 1932-9-17 10758 Napa 3 miles west of Napa Comment
  LA203051  Symphyotrichum lentum Milo S. Baker; 1932-9-24 6028 Napa southern outskirts of Napa City Comment
  CDA34670  Symphyotrichum subulatum var. parviflorum L. Ahart 2009-10-27 16476 Napa Below high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. Comment
  CDA31321  Taeniatherum caput-medusae D. G. Kelch 2010-5-6 10 .176 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  RSA129898  Taeniatherum caput-medusae P. H. Raven 1951-5-26 2878 Napa Butts Canyon. 305 Comment
  UCD37949  Taeniatherum caput-medusae Beecher Crampton 1962-5-16 6436 Napa Napa County, town of Pope Valley. Comment
  HSC58999  Tamarix ramosissima Bill Lutes 1975-4-26 149 Napa Near Knoxville, close to the town of Lower Lake. 375 Comment
  UC126551  Tanacetum parthenium Harley P. Chandler Sep 7 1906-Sep 14 1906 7127 Napa Alta Loma Howell Mountain 487 Comment
  JEPS31740  Taraxia ovata W. L. Jepson 1923-4-29 9885 Napa St. Helena Napa Valley Comment
  JEPS110689  Tetrapteron graciliflorum Jake Ruygt 1988-5-29 2205 Napa Devilshead Rd. at Berryessa-Knoxville Rd NW corner 457 Comment
  UCR261682  Tetrapteron graciliflorum Ann Howald 2003-4-23 2303 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 175 Comment
  UCD20027  Thermopsis californica var. californica C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1211 Napa 1 mile west of junction of Route 128 and Pope Valley Road. Serpentine hillside on S side of Lake Hennessy. Comment
  UCD95951  Thermopsis californica var. californica Ellen Dean; with Clare Loughran 2011-5-20 7066 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
  JEPS65662  Thermopsis californica var. californica Willis L. Jepson 1895-4-27 13584 Napa Union Station Napa Valley, Napa River Basin Comment
  JEPS65661  Thermopsis macrophylla var. macrophylla Willis L. Jepson 1893-4-28 13585 Napa near Napa; Napa River Basin, Lower Napa Valley Comment
  CAS-BOT-BC66500  Thysanocarpus curvipes Alice Eastwood 1918-5-2 6875 Napa Calistoga. Comment
  CAS-BOT-BC66519  Thysanocarpus curvipes Lowell Ahart 1969-4-7 s.n. Napa Near Lake Berryessa. 243 Comment
  UC1301099  Thysanocarpus curvipes Helen K. Sharsmith 1963-3-17 5208 Napa s side Mt. Atlas; San Francisco Bay Region, s side Mt. Atlas 609 Comment
  UCD20024  Thysanocarpus curvipes C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1214 Napa 1 mile west of junction of Route 128 and Pope Valley Road. Serpentine hillside on S side of Lake Hennessy. Comment
  CAS-BOT-BC66491  Thysanocarpus curvipes John Thomas Howell 1934-3-26 11796 Napa South side of Mount Saint Helena. 4 miles from Calistoga. Comment
  CAS-BOT-BC66518  Thysanocarpus curvipes R. H. Platt 1898-3-24 s.n. Napa Vaca Mountains. Comment
  JEPS54166  Thysanocarpus curvipes Willis L. Jepson 1893-4-24 30 e Napa e St. Helena; Napa River Basin, e of St. Helena Comment
  UC11005  Thysanocarpus curvipes Willis L. Jepson 1893-4-28 Napa Napa City; Napa River Basin, Napa City Comment
  UC11025  Thysanocarpus curvipes Willis L. Jepson 1893-4-25 29 d Napa hills w St. Helena (trail to Caux's Cabin, Napa River Basin); Napa River Basin Comment
  JEPS81602  Thysanocarpus curvipes var. elegans R. Raiche 1982-3-7 20190 Napa on Chiles and Pope Valley Road 1.3 mi n Sage Canyon Road Comment
  RSA0041675  Thysanocarpus curvipes var. elegans David D. Keck 1931-4-2 1052 Napa 4 miles S of Monticello. Comment
  UCD74412  Thysanocarpus laciniatus Jake Ruygt 2003-4-22 4506 Napa About 2 miles north of Mays Flat near the top of the Blue Ridge. 731 Comment
  JEPS106584  Thysanocarpus radians Jake Ruygt 1977-5-3 216 Napa 6.7 miles north of Monticello Rd. on Atlas Peak Rd. 438 Comment
  RSA0041645  Thysanocarpus radians David D. Keck 1931-4-2 1046 Napa 4 miles S of Monticello. Comment
  UC457173  Thysanocarpus radians David D. Keck 1931-4-2 1046 Napa 4 mi s Monticello (eastern Napa County) Comment
  UCD124646  Tonella tenella J. M. Tucker 1957-3-22 3287 Napa beside Highway 37, 0.4 mie southwest of junction with road to Monticello Dam and Winters. Comment
  CDA10874  Torilis nodosa G. F. Hrusa, M. Rejmanek 1993-5-15 10969 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  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-BC85172  Torreya californica John A. Sutro 1971-9-8 s.n. Napa Sutro Ranch, Mt. Atlas Comment
  POM125420  Torreya californica Alice Eastwood 1923-5-9 11765 Napa Mount St. Helena Comment
  SBBG322  Torreya californica C. H. Lamoureux, J. M. Tucker, R. Gankin 1957-4-11 1203 Napa St Hwy 29, 8 mi N of Calistoga Comment
  SEINET3073146 Image available Torreya californica Royal D. Suttkus 1967-6-26 67- 30 -22 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  JEPS63929  Toxicodendron diversilobum W. L. Jepson 1913-4-15 5314 Napa Howell Mt. 609 Comment
  UCD118398  Toxicoscordion micranthum Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 406 Comment
  UCD95925  Toxicoscordion venenosum var. venenosum Ellen Dean; with Clare Loughran 2011-5-20 7058 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
  CAS-BOT-BC220990  Trichostema Jake Ruygt 2004-7-31 4638 Napa Northwest of Buzzard's Roost, north end of Stags Leap 411 Comment
  UCD166641  Trichostema lanceolatum Jake Ruygt 1981-7-31 1085 Napa Suscol plain near Kaiser Steel (Rocktram). 1 Comment
  UCD166642  Trichostema laxum Jake Ruygt 2007-7-1 5245 Napa west of Hwy 29, near Lake County line. 541 Comment
  UCD67610  Trichostema laxum D. Sanchez-Mata 1996-7-15 s.n. Napa Winters-Napa. Capell Valley. Serpentine plant communities near the stream in Capell Creek. 250 Comment
  CAS-BOT-BC5354  Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa 6N, 4W, NE 1/4, Yountville Quad. Mead Ranch, Atlas Peak Rd., south of Foss Valley. 481 Comment
  JEPS108655 Image available Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa Mead Ranch, Atlas peak Road, south of Foss Valley 481 Comment
  RSA731087  Trichostema ruygtii Jake Ruygt 2004-8-7 4640 Napa Green Valley Ranch near Solano County line. 317 Comment
  UC1925880  Trifolium Ethel Crum 1931-1 1056 Napa Pope Valley Comment
  UC160916  Trifolium albopurpureum var. albopurpureum Joseph P. Tracy 1902-5-15 1482 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); North Coast Ranges, Howell Mtn 365 Comment
  UC457175  Trifolium albopurpureum var. albopurpureum David D. Keck 1931-4-2 1039 Napa 10 mi from Napa (between Wooden Valley and Monticello); east base of the Napa Range Comment
  UC162842  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1902-5-15 1456 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 457 Comment
  UCD107886  Trifolium bifidum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  UCD48974  Trifolium bifidum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 17 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
  UCD83439  Trifolium bifidum var. decipiens Jake Ruygt 2005-3-28 4728 Napa Berryessa-Knoxville Rd., between Spanish Flat and Lake Berryessa Marina. 146 Comment
  UCD83440  Trifolium bifidum var. decipiens Jake Ruygt 1996-5-13 3677 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 466 Comment
  UCD83438  Trifolium bifidum var. decipiens Jake Ruygt 2005-5-6 4815 Napa Newell Canyon Open Space; near Napa/Solano County line. 283 Comment
  JEPS106830  Trifolium campestre Jake Ruygt 1996-5-13 3671 Napa Wontrop Wildlife Santuary, Hardin Road, Pope Valley 310 Comment
  JEPS106799  Trifolium ciliolatum Jake Ruygt 1996-5-4 3648 Napa Butts Canyon Road at James Creek Road; field to SE. 205 Comment
  UCD83441  Trifolium ciliolatum Jake Ruygt 1981-4-18 977 a Napa Harris Canyon. 213 Comment
  UC16483  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-4-26 Napa La Lomita 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
  JEPS65837  Trifolium depauperatum var. depauperatum W. L. Jepson 1893-4-28 13738 Napa n Mt. George (plateau) Comment
  UCD38372  Trifolium depauperatum var. truncatum Beecher Crampton 1955-4-4 2390 Napa 2 miles north of Calistoga. Comment
  UCD33218  Trifolium dichotomum Beecher Crampton 1967-5-11 7918 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  UCD83436  Trifolium dichotomum Jake Ruygt 1983-4-17 1436 Napa Red Hill, Mt. St. Helena. 457 Comment
  UCD41327  Trifolium dubium Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 2 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, W side of Knoxville Creek, 1 road mile S of the gate to old town of Knoxville. 353 Comment
  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
  JEPS65868  Trifolium fucatum Willis L. Jepson 1893-4-25 13721 Napa w St. Helena (trail to Caux's Cabin); Napa River Basin Comment
  UC1130025  Trifolium fucatum B. Schreiber 1936-3-5 2209 Napa 0.3 mi wsw Petrified Forest; Calistoga quad 274 Comment
Read comments
Jun 12 2012
  UCR91212  Trifolium glomeratum A. C. Sanders 1996-6-1 18194 Napa Napa, SE edge of town at Skyline Park, E end of Imola Road East. 91 Comment
  UCD149710  Trifolium gracilentum Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD48015  Trifolium microdon A. Laffin; S. Holck, and A. Randall 2002-4-13 8 Napa Yolo County, McLaughlin UC Reserve, W side of Davis Creek Reservoir, along road that goes from Soda Springs to Rayhouse Rd.; due N of Soda Spring and ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. Along S side of running stream where road travels east-west for a short distance. Ca. yds. From the N side of the road. 488 Comment
  JEPS106752  Trifolium obtusiflorum Jake Ruygt 1980-5-21 895 Napa 2.7 miles north of Monticello Rd. on HWY 128 213 Comment
  UCD109244  Trifolium obtusiflorum R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  UCR146398  Trifolium oliganthum Beecher Crampton 1960-5-17 5539 Napa Inner North Coast Ranges, 6 miles west of Oakville 701 Comment
  UCD83423  Trifolium oliganthum Jake Ruygt 2003-5-17 4526 Napa Devil's Canyon, NW of 'The Crags' area of Archer Taylor Preserve. 603 Comment
  UCD111357  Trifolium olivaceum M. Wiesendanger 1926-4-1 1491 Napa location unknown. Comment
  JEPS126125  Trifolium resupinatum Jake Ruygt 2006-5-18 5031 Napa Airport Road on south side, about 0.1 mile west of Highway 29. Cuttings Wharf 7.5' Qua. Comment
  UCD148786  Trifolium variegatum Ellen Dean; Diana Hickson 2014-4-29 8094 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  JEPS106719  Trifolium variegatum var. major Jake Ruygt 1982-5-8 1230 Napa north side of American Canyon 85 Comment
  RSA10694  Trifolium variegatum var. melananthum Carl B. Wolf 1928-5-8 1793 Napa 5 mi. no. of Calistoga, Mt. St. Helena Grade. Comment
  JEPS4395  Trifolium variegatum var. melananthum W. L. Jepson 1893-4-27 13706 Napa Yountville; Napa Valley Comment
Read comments
Feb 1 2008
  JEPS106688  Trifolium willdenovii Jake Ruygt 1989-4-8 2251 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 377 Comment
  UC1197523  Trifolium willdenovii Joseph P. Tracy 1903-5-15 1848 Napa near Calistoga; Napa Valley 91 Comment
  UCD118102  Trifolium willdenovii Megan Mateo; 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
  UCD48992  Trifolium willdenovii K. Mogel; B. Pekin and M. Higley 2002-5-4 6 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 300 ft. along the lower road that leads to the power lines; 20 ft. upslope of road. 320 Comment
  JEPS106754  Trifolium wormskioldii Jake Ruygt 1982-5-8 1229 Napa north side of American Canyon 85 Comment
  CAS-BOT-BC521017  Trillium chloropetalum var. giganteum Clara Hunt 1921-4-1 s. n. Napa St. Helena Comment
  CAS-BOT-BC521019  Trillium chloropetalum var. giganteum Alice Eastwood 1918-5-1 6859 Napa Mt St. Helena Comment
  UCD123399  Triphysaria eriantha M. Wiesendanger 1927-5-4 670 Napa Near Monticello. Comment
  JEPS110675  Triphysaria pusilla Jake Ruygt 1979-4-17 523 a Napa north of Suscol Hill 24 Comment
  JEPS11167  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1915-4-23 6258 Napa Conn Valley Comment
  JEPS129112  Triphysaria versicolor subsp. faucibarbata Jake Ruygt 2015-5-19 6104 Napa Atlas Peak Road Circle R (S) Ranch. Yountville 7.5' Quad. Comment
  RSA739593  Triphysaria versicolor subsp. faucibarbata John Dittes 2003-4-5 2003 -10 Napa Inner N Coast Range, Napa Valley, 1.6 air miles N by NW of Calistoga City Hall, 0.9 air mile NW of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Raod and Tubbs Lane. 122 Comment
  UCD123425  Triphysaria versicolor subsp. faucibarbata M. Wiesendanger 1928-4-5 866 Napa Calistoga. Comment
  HSC20861  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-18 417 Napa W Imola Ave., 1 mi. W of Hwy. 12 & 29 Comment
  UC1301196  Triphysaria versicolor subsp. faucibarbata Helen K. Sharsmith 1963-4-20 5356 Napa Wooden Valley; San Francisco Bay Region 213 Comment
  UC27200  Triphysaria versicolor subsp. faucibarbata Willis L. Jepson 1893-4-27 Napa Napa City; Napa River Basin Comment
  CAS-BOT-BC199578  Trisetum canescens Peter H. Raven 1952-5-31 4156 Napa Rector Dam 152 Comment
  UC183045  Trisetum canescens J. P. Tracy 1902-5-15 1459 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek, Howell Mountain 487 Comment
  UCD73052  Trisetum canescens Ellen Dean; S. Rae 2008-5-21 4971 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 213 Comment
  SEINET3889059  Triteleia laxa R. Blenkush, S. Hee; C. McWhorter; J. Moeller 2000-4-22 18 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road.; 0 411 Comment
  UCD170829  Triteleia laxa 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 135 Comment
  UCD18074  Triteleia laxa Ellen Dean; with Plant Biology 102 class 2000-4-22 629 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
  UCD48792  Triteleia laxa A. Collier; D. Caterson and S. Kenady 2002-5-4 15 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Along upper road leading to power lines, both N and S of road. 335 Comment
  JEPS54264  Tropidocarpum gracile Clara A. Hunt 1910-4-6 Napa St. Helena Comment
  RSA115536  Tropidocarpum gracile Beecher Crampton 1957-4-15 3931 Napa Along the road, E slope of Wrag Canyon, Vaca Mtns. Comment
  UCD161236  Turritis glabra Jake Ruygt 1992-4-2 2873 Napa Napa County : Wild Horse Valley Ranch, Johnson's Meadow. (Coordinates estimated by label maker at UC Davis). 481 Comment
  CAS-BOT-BC381966  Uropappus lindleyi John Thomas Howell 1931-4-3 6137 Napa Pope Creek Canyon, 8.5 miles from Monticello, Napa Range Comment
  JEPS106872  Uropappus lindleyi Jake Ruygt 1979-5-16 602 Napa 5.8 miles east of Monticello Rd. on HWY 128 304 Comment
  JEPS35616  Uropappus lindleyi Willis L. Jepson 1893-5-2 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  UC36693  Uropappus lindleyi W. L. Jepson 1894-5-3 Napa St. Helena Napa River Basin; St. Helena, Napa River Basin Comment
  UCD118544  Uropappus lindleyi Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 404 Comment
  RSA394836B  Vaccinium macrocarpon C. M. Knapp 1981-4-12 s.n. Napa Southwest of North Columbia, in hydraulically mined area. 854 Comment
  JEPS129059  Vancouveria planipetala Jake Ruygt 1979-5-29 640 Napa 2.7 miles north of Mt. Veeder Road on Redwood Road. Sonoma 7.5' Quad. Comment
  JEPS11184  Verbascum blattaria W. L. Jepson 1930-10-19 15681 Napa stream bed of Conn Creek at Sage Canyon mouth; , streambed of Conn Creek Comment
  JEPS115682  Verbena lasiostachys var. lasiostachys Lowell Ahart 2009-10-27 16495 Napa Below the high water line of Lake Berryessa, about 50 yards east of Eticuera Creek, about 100 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
  UC1949222  Veronica americana Barbara Ertter with Elizabeth Neese 1988-10-2 7951 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on N side of Rt 128 Comment
  UCD21502  Veronica peregrina subsp. xalapensis Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4404 Napa Quail Ridge Reserve. 262 Comment
  CDA12103  Vicia benghalensis G. F. Hrusa 1989-4-24 5964 Napa North Coast Biodiversity Arena; Hwy 128, approx. 10 miles S of Pope Valley. Comment
  UC1714464  Vicia sativa C. F. Baker 1903-4-19 2600 Napa St. Helena Comment
  SEINET7042499  Vicia sativa A. G. Vestal 1963-4-7 s.n. Napa 3.8 miles north of Saint Helena on the Silverado Trail. Saint Helena quadrangle UTM Zone 10, 544281mE, 4266677mN. Comment
  SEINET7073083  Vicia sativa subsp. nigra A. G. Vestal 1963-4-7 s.n. Napa About 1 mile north of Saint Helena on the Silverado Trail. Coordinate datum WGS84/NAD83. (38? deg. 31' 20" North Latitude, -122? deg. 28' 26" West Longitude, UTM Zone 10, 545861mE, 4263695mN. Coordinate datum: NAD27). Comment
  UCD48007  Vicia sativa subsp. sativa Ryan Knox; E. McDermott, and G. Walden 2002-4-13 11 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of the road. 432 Comm