Search Results — 2000 specimen records retrieved (1464 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCD116169  Abutilon theophrasti John N. Fiske 1957-9-13 s.n. Napa location unknown. Comment
  CAS-BOT-BC227872  Acer macrophyllum Beecher Crampton 1965-8-23 7492 Napa 2.5 miles east of Moskowite Corners, State Hwy. 128 Comment
  CAS-BOT-BC331523  Acer macrophyllum Elsa G. Ruckert 1960-4-24 114 Napa 6495 Dry Creek Road, at gate 365 Comment
  SEINET4326871 Image available Acer macrophyllum Unknown 1967-6-26 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UCD117016  Acer macrophyllum Lynn Gould 1962-4-7 31 Napa State Highway 37, 6 miles north of Napa. Comment
  UCR141666  Acer macrophyllum Beecher Crampton 1965-8-23 7492 Napa 2.56 mi east of Moskowite Corners, State Hwy 128 Comment
  UCD161303  Acer negundo Jake Ruygt 1979-4-2 472 Napa Napa Creek at First Street bridge, Napa. (Coordinates estimated by label maker at UC Davis). 4 Comment
  CAS-BOT-BC211901  Achnatherum coronatum G. L. Stebbins 1966-5-28 6426 Napa Markley Canyon, along State Highway 128, 3.5 miles west of Berryessa Dam 152 Comment
  UCD73927  Achnatherum coronatum G. Ledyard Stebbins 1966-5-28 6426 Napa Markley Canyon. Comment
  UC769961  Achnatherum lemmonii Robert F. Hoover 1941-6-8 5320 Napa e side of Mt. St. Helena Mt. St. Helena Comment
  SEINET11687430  Achnatherum lemmonii F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -300 Napa Robert Lewis Stevenson State Park, trailhead on CA 29 near St. Helena Creek 750 Comment
  RSA424737  Achyrachaena mollis Aaron Liston 1987-4-25 661 -2 Napa NE side of Lake Hennessey, Conn Valley Road. Comment
  UCD103787  Acmispon americanus var. americanus K. Esau; E. Hyde 1938-5-25 s.n. Napa location unknown. Comment
  UCD75713  Acmispon americanus var. americanus Jake Ruygt 1986-7-12 1875 Napa Napa River, south of confluence withTulocay Cr. 1 Comment
  UCD104084  Acmispon brachycarpus M. Sidells 1996-4-13 9 Napa Next to path on north facing hill at southwest side of Lake Berryessa, 150m northeast of Knoxville Rd. 250 Comment
  UCD118619  Acmispon brachycarpus Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  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
  UCD47973  Acmispon brachycarpus A. Miles; E. Anderson, L. Lina, J. Waggoner, and R. Wenk 2000-4-22 3 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCD47974  Acmispon brachycarpus Michele Disney; J. Westbrook,S. Ratay, R. Wolfson,A. Houser,S. Wathen 2000-4-22 15 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  UCD75714  Acmispon grandiflorus var. grandiflorus Jake Ruygt 2005-6-1 4886 Napa Blue Ridge, about 1 mile north of Mays Flat. 716 Comment
  UCD75715  Acmispon grandiflorus var. grandiflorus Jake Ruygt 1989-5-20 2339 Napa About 1 mile north of Mt. Vaca. 804 Comment
  UCD104336  Acmispon parviflorus R. Tofsrud 1951-5-20 s.n. Napa 4 miles W of Oakville. Comment
  UCD104346  Acmispon parviflorus M. Wiesendanger 1927-5-4 695 Napa Monticello-Napa Rd. Comment
  UCD160344  Acmispon parviflorus Nellie Coffey 1931-2-1 s.n. Napa Chiles Valley. Comment
  UCD47975  Acmispon wrangelianus Robert Wolfson; J. Westbrook,S. Ratay,A. Houser,M. Disney,S. Wathen 2000-4-22 40 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd. Along Old Knoxville Rd. 396 Comment
  JEPS110561  Adenostoma fasciculatum Jake Ruygt 1976-5-6 54 Napa 2.4 miles NE of Westgate Dr. on Atlas Peak Road 338 Comment
  JEPS44789  Adenostoma fasciculatum W. L. Jepson 1915-12-6 6584 Napa Howell Mt. Comment
  UCD16111  Adenostoma fasciculatum BiF Soper 1983-5-30 s.n. Napa Hwy 128, 3.7 miles W of the entrance to the Putah Creek Public Fishing Access Rd. 103 Comment
  UCD49134  Adenostoma fasciculatum Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 3 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct with S. Decker Canyon Rd. 228 Comment
  JEPS121508  Adenostoma fasciculatum var. fasciculatum Adam C. Schneider with Dick O'Donnell 2013-5-26 200 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road Comment
  UCD164818  Adiantum aleuticum Jake Ruygt 2013-5-18 5907 Napa Las Posadas State Forest. 367 Comment
  JEPS127885  Adiantum jordanii Adam C. Schneider with Dick O'Donnell 2014-5-28 242 Napa Northern edge of Cedar Roughs Wilderness Area, south of Pope Canyon Rd. 2.5 miles west of Junction with Barynessa Knoxville Road. Comment
  UCD137227  Adiantum jordanii M. Sidells 1996-4-13 8 Napa Lake Bereyessa. 280 Comment
  CAS-BOT-BC65666  Adiantum jordanii Jean Fottrell 1906-7-1 s.n. Napa Napa Comment
  RSA491724  Aesculus californica James L. Reveal 1987-6-7 6394 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road, about 5.5 miles west-northwest of Vacaville. 183 Comment
  UCD160782  Agoseris grandiflora Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8662 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 552 Comment
  CAS-BOT-BC29639  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1938-6-6 15842 Napa Napa Valley, between Napa City and Yountville 30 Comment
  UC164784  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1904-5-23 2089 Napa 1 1/2 mi below, on hillside Calistoga; Northern Coast Ranges of California, Napa Valley 243 Comment
  CAS-BOT-BC22754  Agoseris heterophylla D. D. Keck 1931-4-3 1060 Napa Pope Creek Canyon, 7 miles NW of Monticello Comment
  JEPS104520  Agoseris heterophylla Jake Ruygt 1981-4-25 1002 Napa Table Mountain 621 Comment
  POM182727  Agoseris heterophylla D. D. Keck 1931-4-3 1060 Napa Pope Creek canyon, 7 miles NW of Monticello Comment
  UCD17974  Agoseris heterophylla Ellen Dean; Kate Mawdsley 2001-4-9 693 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UCD69026  Agoseris heterophylla P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. On serpentine rocks. UTM: 10SEN6659 155 Comment
  UC164850  Agoseris heterophylla var. cryptopleura J. P. Tracy 1902-5-14 1439 Napa 3-4 mi e, (head of Moore's Creek) Angwin's; Howell Mountain, Moore's Creek 365 Comment
  UC165998  Agoseris heterophylla var. cryptopleura J. P. Tracy 1902-5-21 1602 Napa 3 to 4 mis e, (head of Moore's Cr) Angwin's; Howell Mt., Moore's Creek 426 Comment
  UC194724  Agoseris hirsuta C. F. Sonne Apr 1888 Napa Comment
  JEPS45601  Agrimonia gryposepala Alice King Jul 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  CAS-BOT-BC127450  Agrostis elliottiana J. P. Tracy 1902-5-19 1552 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles east of Angwin's. 518 Comment
  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
  JEPS123024  Agrostis exarata Jake Ruygt 1992-5-20 2988 Napa West of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mount George. Comment
  UCD19918  Agrostis exarata E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 774 Napa Quail Ridge Reserve. Decker Canyon, along S. Decker Canyon trail, just N of Cut-Off Rd. along drainage that runs NE of trail. 167 Comment
  UCD52144  Agrostis exarata Beecher Crampton 1957-6-4 4105 Napa above Capell Creek, north end of Capell Valley. Comment
  UCD164740  Agrostis gigantea Jake Ruygt 2014-7-7 6021 Napa Pope Creek. Pope Canyon. 188 Comment
  CHSC79389  Agrostis microphylla Beecher Crampton 1956-4-26 3303 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  SEINET238872  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Napa County 2 miles north of Calistoga Myrtledale Hot Springs. Comment
  CAS-BOT-BC139012  Agrostis pallens John Thomas Howell 1943-6-19 18236 Napa Hills southwest of Saint Helena. Comment
  UCR227899  Agrostis pallens Ayzik Solomeshch 2007-5-30 s.n. Napa Woolls Ranch, 1032 Veeder Road, northwest of the city of Napa 152 Comment
  UCD53629  Agrostis stolonifera Beecher Crampton 1953-7-14 1514 Napa N.N. slope of Mt. St. Helena, 5 miles south of Middletown. 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
  CAS-BOT-BC461083  Allium amplectens John H. Thomas 1955-5-21 5133 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  CAS-BOT-BC461092  Allium amplectens David D. Keck 1933-5-29 2365 Napa Pope Creek bridge south of Walters Springs Comment
  SEINET12044092  Allium amplectens J. T. Howell 1933-1 11319 Napa Hills E of Napa Comment
  POM252944  Allium cratericola A. A. Heller 1938-4-3 15012 Napa Flat, treeless summit of Table Mountain, north of Oroville. 305 Comment
  CAS-BOT-BC466763  Allium cratericola John Thomas Howell 1931-4-4 6168 Napa Crater Country, Mt. St. Helena Comment
  CHSC108736  Allium falcifolium B. Castro; L. P. Janeway 2002-5-12 1364 Napa Inner North Coast Ranges. Near top of ridge on northeast side of Pocock Creek along the dirt road from Devilhead Road. NNW-facing slope at edge of road opening and cutbank. 536 Comment
  RSA3283  Allium falcifolium David D. Keck 1931-4-3 1071 Napa Near Walter Springs, Pope Creek Canyon, 5 1/2 miles east of Pope Valley. Comment
  UCD138525  Allium falcifolium R. L. Smith 1948-5-8 s.n. Napa 6 miles north Aetna Springs, Pope Valley. Comment
  UCD48253  Allium falcifolium Michele Disney; J. Westbrook,S. Ratay,R. Wolfson,A. Houser,S. Wathen 2000-4-22 30 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles sout of Berryessa-Knoxville Rd. 533 Comment
  UCD48254  Allium falcifolium K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 4 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd. 545 Comment
  UCD48255  Allium falcifolium A. Laffin; A. Randall, S. Holck 2002-4-13 3 Napa Napa Co, McLaughlin UC Reserve. North of Knoxville-Berryessa Road. Ca. 0.5 airline mile WSW of old town Knoxville. Volcanic rocky outcrop, ca. 100 yards upslope of road. 437 Comment
  CAS-BOT-BC469026  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
  CAS-BOT-BC469031  Allium falcifolium H. C. Cantelow 1939-4-8 3906 Napa 3 1/2 miles NW of Knoxville Comment
  SEINET8122132  Allium falcifolium M. J. Williams 1967-5-7 s.n. Napa Butts Canyon. 244 Comment
  CAS-BOT-BC468997  Allium fimbriatum var. fimbriatum David D. Keck 1931-4-3 1083 Napa Pope Creek Canyon, 8 miles NW. of Monticello Comment
  UCD48257  Allium serra Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 3 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  CAS-BOT-BC475562  Allium serra David D. Keck 1933-5-29 2374 Napa 1.3 miles south of Knoxville Comment
  JEPS56392  Allium unifolium Willis L. Jepson 1894-5-1 20986 Napa Conn Valley Napa Range, Conn Valley Comment
  JEPS110942  Allophyllum divaricatum Jake Ruygt 1989-4-8 2256 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  UCD159904  Allophyllum gilioides Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. East section, west of Q48. 243 Comment
  UCD54562  Allophyllum gilioides K. Walker; PLB 102 2006-5-13 3 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  JEPS101646  Allophyllum gilioides subsp. violaceum Dean W. Taylor 1998-6-23 16700 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  JEPS123023  Alopecurus saccatus Jake Ruygt 1989-4-6 2247 Napa Pasture across from Bale Mill entrance. Quad: Calistoga. Comment
  JEPS104501  Ambrosia psilostachya Jake Ruygt 1978-9-27 422 Napa .15 mi. west of Buhmann Ave. on Henry Rd 48 Comment
  UCD39198  Amelanchier alnifolia Beecher Crampton 1953-5-19 1306 Napa 12 miles east of Rutherford, Highway 128. Comment
  UC12076  Amelanchier alnifolia var. semiintegrifolia Willis L. Jepson 1893-5-8 Napa near Angwin's (Howell Mt); Napa River Basin, Howell Mt. Comment
  UC1127815  Amelanchier utahensis B. Schreiber 1936-3-5 2207 Napa 0.3 mi wsw Petrified Forest; Calistoga Quad. 274 Comment
Read comments
Jun 12 2012
  UCD127157  Ammi majus Beecher Crampton 1973-6-25 8967 Napa 2 miles north of Oakville. Comment
  UCD127163  Ammi majus R. Tofsrud; J. M. Tucker 1948-7-14 s.n. Napa Cox Ranch on Highway 29 between Napa and Yountville Comment
  JEPS35498  Amorpha californica var. napensis W. L. Jepson 1913-4-15 5309 Napa Howell Mt. 548 Comment
  CDA16003  Ampelodesmos mauritanicus G. F. Hrusa 2000-7-26 15683 Napa North Coast Biodiversity Arena; Old Toll House Rd. at SW base of Mt. St. Helena, approx. 1/2 mi. S of Hwy 29. Sheet 1 of 3. Comment
  JEPS61143  Amsinckia intermedia W. L. Jepson 1900-3-10 535 Napa St. Helena Comment
  UCD169886  Amsinckia intermedia Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 725 Napa Knoxville Wildlife Area. 352 Comment
  UCD37577  Amsinckia intermedia Beecher Crampton 1955-4-7 2453 Napa 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
  RSA0089449  Amsinckia intermedia A. A. Heller 1938-5-14 15093 Napa On the hills west of Napa on the highway to Shellville. Comment
  UC1094056  Amsinckia intermedia Francia Chisaki 1954-4-15 591 Napa about 1 mi s of entrance to State Hospital on Highway #29 Comment
  UCD18016  Amsinckia intermedia Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 561 Napa Napa County. McLaughlin Reserve. Along Knoxville -- Berryessa Rd., just NW of jct. with Devil Head Rd. N side of Knoxville -- Berryessa Rd. 426 Comment
  UC24615  Amsinckia lycopsoides Willis L. Jepson 1891-5-1 Napa Upper Conn Valley; Napa River Basin Comment
  UCD161576  Amsinckia menziesii Jake Ruygt 2007-3-29 5128 Napa Rector Creek, west of State Lane (Caymus Avenue). 42 Comment
  UC525580  Amsinckia menziesii var. menziesii Joseph P. Tracy 1933-4-30 12090 Napa on hills at head of Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain 365 Comment
  UC1178212  Amsinckia menziesii var. menziesii S. Galen Smith 1951-4-15 Napa along Silverado Trail Comment
  UCD48076  Anagallis arvensis S. Olmsted; M. Atamian, R. Brush, M. Furuyama, C. Owens 2000-4-29 03 Napa Yolo Co, 1 mile north of Knoxville as the crow flies, 300 m east of an old dirt road that intersects the Yolo/Napa Co line. 640 Comment
  UCD49107  Anagallis arvensis S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 3 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  CAS-BOT-BC64143  Ancistrocarphus filagineus David D. Keck 1931-4-3 1068 Napa Pope Creek canyon, 8 miles NW. of Monticello Comment
  UCD18094  Ancistrocarphus filagineus Ellen Dean; with PLB 102 class 2000-4-29 750 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CAS-BOT-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
  UCD168522  Angelica lineariloba Stephen P. Rae; A. Solomeshch 2007-5-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  JEPS14087  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  UCD126260  Angelica tomentosa G. F. Hrusa; R. Gross 1996-6-30 13071 Napa along Ida Clayton Rd on Foote Ranch. 700 Comment
  UCD126261  Angelica tomentosa G. F. Hrusa; R. Gross 1996-6-30 13071 Napa along Ida Clayton Rd on Foote Ranch. 700 Comment
  UCSB6339  Anthemis cotula Keator, Glenn 1959-6-22 Napa Near southeast shore of Lake Hennessy, Napa Range Comment
  UCD36376  Anthoxanthum odoratum Beecher Crampton 1953-6-2 1434 Napa Napa County, 8 miles south of Middletown, small meadow along Highway 53. Comment
  UC157399  Antirrhinum cornutum Katharine Brandegee 1911-6-29 Napa Butts Canyon Comment
  JEPS5345  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Willis L. Jepson 1894-7-19 21307 Napa Calistoga; Napa River Basin, Upper Napa Valley Comment
  CAS-BOT-BC237920  Antirrhinum virga A. A. Heller 1940-6-13 15741 Napa On the west side of Mt. St. Helena along the road to the summit, below the first turn toward the east side Comment
  JEPS25048  Antirrhinum virga J. P. Tracy 1899-6-18 368 Napa 3-4 mi e Angwin's (La Jota Plateau); Howell Mountain, Head of Moore's Creek, La Jota Plateau 518 Comment
  UC726147  Antirrhinum virga A. A. Heller 1940-6-13 15741 Napa w side Mt. St. Helena (along the road to the summit below the first turn toward the e side) Comment
  JEPS104567  Apiastrum angustifolium Jake Ruygt 1982-4-4 1165 Napa 3.2 miles north of Loma Vista Rd. on Soda Canyon Rd. 335 Comment
  UCD149640  Apiastrum angustifolium 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
  JEPS16056  Apiastrum angustifolium W. L. Jepson 1896-6-2 14208 Napa Napa Range, Conn Valley Conn Valley; Napa Range, Conn Valley Comment
  POM256859  Apocynum X floribundum H. L. Mason 1939-5-18 12104 Napa Wooden Valley Comment
  CAS-BOT-BC392031  Aquilegia eximia H. M. Hall 1923-10-14 11944 Napa 6 mi. n. of Pope Valley Comment
  JEPS60391  Aquilegia eximia W. L. Jepson 1916-8-6 6837 Napa Moore's Creek Howell Mt. 548 Comment
  JEPS110885  Aquilegia formosa Jake Ruygt 1976-5-14 80 Napa 2.5 miles west of Mt. Veeder Rd. on Redwood Rd. 237 Comment
  UCD74381  Arabis modesta Jake Ruygt 1987-2-28 1923 Napa Monticello Dam. 164 Comment
  UCD75841  Arabis oregana Jake Ruygt 1984-3-3 1501 Napa Devilshead Rd. near Cedar Creek. 542 Comment
  JEPS40073  Aralia californica Willis L. Jepson 1894-10-14 14139 Napa Calistoga Napa R. Basin, Calistoga Comment
  SEINET11993676  Arbutus menziesii Unknown 1852-1 452 Napa no further locality Comment
  SEINET7258058  Arbutus menziesii A. Woods s.n. Napa St. Helena Comment
  CAS-BOT-BC24158  Arctostaphylos Alice Eastwood; John Thomas Howell 1937-4-4 3830 Napa Rocky slope, Wooden Valley grade E of Napa Comment
  UC549537  Arctostaphylos J. E. Adams 1934-3-10 643 Napa Mt. St. Helena Comment
  JEPS38632  Arctostaphylos canescens Willis L. Jepson 1893-4-25 14698 Napa highest ridges near Caux's Knob; Napa River Basin Comment
  CAS-BOT-BC23980  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11115 Napa Mt. St. Helena Comment
  CAS-BOT-BC23987  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12261 Napa Mt. St. Helena trail Comment
  CAS-BOT-BC23994  Arctostaphylos canescens subsp. canescens Carl B. Wolf 1928-5-4 1859 Napa Mt. St. Helena, just above toll house. Comment
  CAS-BOT-BC23995  Arctostaphylos canescens subsp. canescens Katharine Brandegee May 18. s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC24014  Arctostaphylos canescens subsp. canescens C. Hart Merriam; Vernon O. Bailey 1907-10-15 s.n. Napa Cuyamaca Mt. 1219 Comment
  CAS-BOT-BC24015  Arctostaphylos canescens subsp. canescens C. Hart Merriam 1915-6-19 s.n. Napa Ridge between napa and Sonoma Valleys, above Sequoia resort west of Napa city. Comment
  CAS-BOT-BC24020  Arctostaphylos canescens subsp. canescens Peter H. Raven 1953-2-21 5191 Napa Wooden Valley Grade 274 Comment
  CDA11262  Arctostaphylos canescens subsp. canescens G. F. Hrusa, G. L. Webster, J. M. Tucker 1994-10-29 11917 Napa North Coast Biodiversity Arena; Mt. George Napa Land Trust Reserve. Comment
  JEPS116574  Arctostaphylos canescens subsp. canescens Jake Ruygt 1978-3-19 248 Napa Mount Saint Helena. Detert Reservoir 7.5' Quad. Comment
  POM125382  Arctostaphylos canescens subsp. canescens Alice Eastwood 1923-5-9 11758 Napa Mount St. Helena Comment
  RSA301585  Arctostaphylos canescens subsp. canescens E. A. Goldman 1907-12-29 69 Napa Mt. St. Helena. 1067 Comment
  RSA52469  Arctostaphylos canescens subsp. canescens I. L. Wiggins 1949-4-30 12082 Napa On saddle bout 1.5 mi. from summit of Mt. St. Helena. Comment
  UC571088  Arctostaphylos canescens subsp. canescens H. L. Mason 1926-3-14 2735 Napa Toll House Canyon Mount St. Helena Comment
  UC763159  Arctostaphylos canescens subsp. canescens R. F. Hoover 1941-4-27 4947 Napa e side Mt. St. Helena Comment
  UCD51055  Arctostaphylos glandulosa Heidi E. M. Dobson 1978-4-8 317 Napa East slope of Mt. Veeder. Comment
  UCD51496  Arctostaphylos glandulosa Collector unknown Date Unknown Napa Comment
  CAS-BOT-BC24861  Arctostaphylos glandulosa subsp. cushingiana Milo S. Baker 1929-2-22 3399 a Napa Mt. St. Helena, above Toll House to the e. of Stevenson Monument. Comment
  SBBG33965  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 mi SW of Angwin 243 Comment
  CAS-BOT-BC23141  Arctostaphylos glandulosa subsp. glandulosa L. R. Abrams 1928-5-4 12263 Napa Mt. St. Helena trail Comment
  JEPS106418  Arctostaphylos glandulosa subsp. glandulosa Jake Ruygt 1986-3-16 1654 Napa 4.5 miles N of Westgate Dr. on Atlas Peak Rd. 463 Comment
  POM180779  Arctostaphylos glandulosa subsp. glandulosa J. T. Howell 1930-7-13 5351 Napa On the edge of the Crater Country' Comment
  UC421585  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-3-23 4562 Napa near Mt. St. Helena Comment
  UCD51108  Arctostaphylos glandulosa var. cushingiana Lewis S. Rose 1964-4-2 64016 Napa 2 mi. SW of Angwin. 243 Comment
  POM367347  Arctostaphylos manzanita H. de Forest 1930-3-23 14613 Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  UC549544  Arctostaphylos manzanita J. E. Adams 1934-4-10 647 Napa Mt. St. Helena Comment
  UCR43195  Arctostaphylos manzanita 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
  SEINET11977791  Arctostaphylos manzanita Unknown 1852-1 452 Napa no further locality Comment
  UCD73423  Arctostaphylos manzanita subsp. glaucescens Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC24284  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-8-27 11633 Napa Sage Canyon, Napa Range. Comment
  CAS-BOT-BC24285  Arctostaphylos manzanita subsp. manzanita Ira L. Wiggins 1928-3-24 2861 Napa Grade in old road to lake Co. above Calistoga. Comment
  CAS-BOT-BC24290  Arctostaphylos manzanita subsp. manzanita Elsa G. Ruckert 1960-2-27 8 Napa 6495 Dry creek Rd. 365 Comment
  CAS-BOT-BC38764  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-7-13 5352 Napa Chaparral on the edge of the Crater Country Comment
  CAS-BOT-BC38765  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4556 Napa East of the Toll House near Mt. St. Helena Comment
  CAS-BOT-BC38774  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1493 Napa Mt. St. Helena Grade 2 miles below hawkins Mountain Camp. Comment
  CAS-BOT-BC38775  Arctostaphylos manzanita subsp. manzanita Peter H. Raven 1954-2-22 6413 a Napa Hills just north of White Sulfur Springs, w. of St. Helena 152 Comment
  JEPS120406  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-23 5113 Napa Mt. Veeder Road, 0.2 mi. south of Lokoya Road. Comment
  JEPS122812  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5107 Napa Pope Valley Road just north of tributary of Pope Creek. QUAD: Aetna Springs. Comment
  JEPS38707  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1895-12-26 14714 Napa hills e St. Helena Comment
  JEPS79561  Arctostaphylos manzanita subsp. manzanita Edward Lee with Annetta Carter 1935-12-1 1670 Napa s side of road road from Napa to Wooden Valley (on land of F. Gaggero); Howell Mts., Sarco Creek Comment
  RSA602257  Arctostaphylos manzanita subsp. manzanita L. C. Wheeler 1952-8-30 6877 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  UCD47968  Arctostaphylos manzanita subsp. manzanita S. Burgess; A. Hufton, J. Pierner, A. Ryan, B. Takahashi 2000-4-29 26 Napa Yolo Co/Napa Co line; McLaughlin Reserve, southwest side of Hunting Creek, on east-facing slope of 'Research Hill'. 655 Comment
  UCD82605  Arctostaphylos manzanita subsp. manzanita Ellen Dean; T. Starbuck 2009-5-4 5543 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  CAS-BOT-BC43841  Arctostaphylos stanfordiana Alice Eastwood 1918-9-3 7940 Napa Mt. St. Helena Comment
  CAS-BOT-BC43860  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi. sw. of Angwin 243 Comment
  CDA11908  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Stebbins 1994-4-8 11714 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  OBI14514  Arctostaphylos stanfordiana H. E. McMinn 1936-4-4 4400 Napa By bridge about 2 mi N of Mt. st. Helena Inn Comment
  OBI14517  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi SW of Angwin 244 Comment
  UC1220984  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 1/2 mi w Aetna Springs Comment
  UC1424959  Arctostaphylos stanfordiana Gary D. Wallace 1974-12-23 1347 Napa along Hwy 29 just n Robert Louis Stevenson State Pk. (se of Mt. St. Helena) 609 Comment
  UC205100  Arctostaphylos stanfordiana Katharine Brandegee Napa Anguins Comment
  UCR58383  Arctostaphylos stanfordiana Walter Knight, I. Knight 1980-6-14 3759 Napa Original from Mt. St. Helena (Now in Tilden Regional Park Botanic Garden) Comment
  SEINET11984941  Arctostaphylos stanfordiana Unknown 1966-1 679 Napa property W of Macdonald Ranch, Las Posadas State Forest Comment
  SEINET11987173  Arctostaphylos stanfordiana J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4086 Napa Strybing Arboretum, San Francisco, orig. from Napa/Sonoma county line in Butts Canyon Comment
  JEPS38681  Arctostaphylos stanfordiana subsp. stanfordiana W. L. Jepson 1924-4-27 10373 Napa Mt. St. Helena; at toll house Comment
  POM172065  Arctostaphylos stanfordiana subsp. stanfordiana Lester Rowntree s.n. Napa 7 miles east of Napa Comment
  POM195577  Arctostaphylos stanfordiana subsp. stanfordiana H. P. Bracelin 1930-3-23 s.n. Napa 1 1/2 mi. S.E. of Mt. St. Helena. Comment
  POM301551  Arctostaphylos stanfordiana subsp. stanfordiana N. Hollister 1909-07 13 Napa Mt. George Comment
  RSA178671  Arctostaphylos stanfordiana subsp. stanfordiana I. L. Wiggins 1932-3-12 5767 Napa Hillside between Calistoga and Franz Valley. Comment
  RSA195289  Arctostaphylos stanfordiana subsp. stanfordiana Gilbert Muth 1967-4-9 608 Napa Aetna Springs to Callistoga Road. 671 Comment
  RSA52686  Arctostaphylos stanfordiana subsp. stanfordiana I. L. Wiggins 1949-4-30 12084 Napa On saddle bout 1.5 mi. from summit of Mt. St. Helena. Comment
  UC2026413  Arctostaphylos stanfordiana subsp. stanfordiana Louis C. Wheeler 1952-8-30 6876 Napa MANGANESE RIDGE: Moore Creek, Howell Mountain. Comment
  UCD52192  Arctostaphylos viscida R. F. Hoover 1938-9-23 3862 Napa Canyon of south fork of Butts Creek. Comment
  UCR43194  Arctostaphylos viscida 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
  JEPS106408  Arctostaphylos viscida subsp. pulchella Jake Ruygt 1996-2-24 3518 Napa NE of Big Basin, along Pocock Creek Rd. 426 Comment
  UC763122  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1941-4-27 4950 Napa e side Mt. St. Helena Comment
  UCD102399  Arctostaphylos viscida subsp. pulchella Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-3-16 s.n. Napa Lake Berryessa. Moskowite Corners-Spanish Flat. Capell Valley. Capell Valley Road to Capell Creek. 230 Comment
  RSA388862  Arctostaphylos viscida subsp. viscida R. W. Brooks 1975-4-26 54 Napa 12 miles north from State Highway 128, Pope Valley. 762 Comment
  SBBG19110  Arctostaphylos viscida subsp. viscida E. R. Blakley 1956-12-23 2018 Napa trail to Linda Falls, Angwin 426 Comment
  CAS-BOT-BC400455  Aristolochia californica Mrs. H. C. Cantelow 1936-3-22 1123 Napa Howell Mt. Comment
  SEINET11262978  Aristolochia californica Daphne K. Christopher 2003-4-12 148 Napa UC Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation.; 0 166 Comment
  SEINET5585704  Aristolochia californica Richard R. Halse 2013-1 8755 Napa Along State Hwy. 128 ca. 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners. 239 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
  UC6152  Aristolochia californica Mrs. D. O. Hunt 1899-2-27 Napa roadside near Lyman's Meadow, St. Helena St. Helena, Lyman's Meadow Comment
  CAS-BOT-BC82391  Arnica discoidea Peter H. Raven 1951-6-10 2906 Napa Toll House - Palisades, Mt. St. Helena 914 Comment
  SEINET251850  Artemisia arbuscula subsp. arbuscula L. Shultz, J. Shultz 1986-9-20 10231 Napa Hills west of Calistoga 180 Comment
  JEPS104574  Artemisia douglasiana Jake Ruygt 1978-6-28 374 Napa 2.0 miles north of Browns Valley Rd. on Partrick Rd. 164 Comment
  JEPS36973  Artemisia douglasiana W. L. Jepson 1894-11-7 Napa Napa City Comment
  JEPS37057  Artemisia douglasiana W. L. Jepson 1939-9-12 19483 Napa w of St. Helena; Spring Mountain Comment
  OBI74550  Artemisia douglasiana David J. Keil 1986-11-8 19796 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 3 mi S of turnoff to Homestake McLaughlin Mine/Mill 350 Comment
  UCD161686  Artemisia douglasiana Jake Ruygt 2008-8-16 5365 Napa Big Ranch Road, south of El Centro Avenue, Van Winden property, north fenceline. 17 Comment
  CDA1737  Arundo donax G. D. Barbe, Q. L. Holdeman 1978-10-12 2460 Napa Circle Oaks development, ca. 3.2 km. north of Wooden Valley. 0 Comment
  UCD148095  Asclepias cordifolia Jake Ruygt 1994-4-26 3359 Napa ridge in Pope Valley (Juliana Vineyard); north of Barnett Rd. 256 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
  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
  UC22997  Asclepias fascicularis W. H. Brewer 1862-8-6 1321 Napa near Camp 84; Rag Canyon Comment
  UCD20502  Aspidotis californica E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1073 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  CAS-BOT-BC69617  Aspidotis densa Peter H. Raven 1953-4-19 5325 Napa Soda Creek, e. of Chiles Valley. 182 Comment
  JEPS79515  Aspidotis densa Edward Lee with A. Carter and E. Crum 1936-3-15 1817 Napa Rutherford-Pope Valley Rd Butt's Canyon Comment
  CAS-BOT-BC478055  Asteraceae Paul F. Covel 1940-4-28 1709 Napa CCC-Las Posadas Camp - near Pac. Union College Comment
  CAS-BOT-BC180462  Astragalus breweri Peter H. Raven 1950-5-6 2022 Napa Sulphur Flats & hot springs near Old Faithful Geyser, N. of Calistoga 182 Comment
  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
  HSC103541  Astragalus breweri Thomas W. Nelson, Jane Nelson 1981-4-14 6391 Napa Junction of Morgan Valley and Devil's Head Roads. 457 Comment
  JEPS95199  Astragalus claranus Jake Ruygt 1994-4-15 3447 Napa Lewelling Ranch, near Sulphur Springs Rd St. Helena 103 Comment
  JEPS107253  Astragalus clevelandii Jake Ruygt 1991-6-29 2756 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 121 Comment
  JEPS107254  Astragalus clevelandii Jake Ruygt 1986-7-5 1862 Napa Knoxville Devilhead Rd, at firetrail to ''sensitive plant canyon'' 472 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
  CAS-BOT-BC178290  Astragalus gambelianus John Thomas Howell 1933-5-21 11310 Napa Hills east of Napa. 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
  UCD148842  Astragalus gambelianus Ellen Dean; Diana Hickson 2014-4-29 8147 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UC1239779  Athyrium filix-femina var. cyclosorum Joseph P. Tracy 1905-7-6 2216 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt 457 Comment
  RSA733822  Athysanus pusillus Keith E. Hoffmaster 1946-3-23 1055 Napa Napa range, along Napa-Monticello road Comment
  CAS-BOT-BC17536  Athysanus pusillus Peter H. Raven 1953-4-2 5273 Napa Hill west of Tulucay Creek. 243 Comment
  UCD74389  Athysanus pusillus Jake Ruygt 1977-4-3 171 Napa Green Creek east of Lake Berryessa. 259 Comment
  UCD20429  Avena barbata E. Dean; w/ PLB 102 class 2002-5-4 1017 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of powerlines. 259 Comment
  POM290480  Avena fatua Lyman Benson 1931-2-26 2601 Napa Base Mt. St. Helena; Mayacamas; Napa Valley 244 Comment
  UCD18078  Avena fatua Ellen Dean; with PLB 102 class 2000-4-22 634 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
  CAS-BOT-BC98793  Baccharis douglasii Peter H. Raven 1955-8-27 8760 Napa Cuttings Wharf 3 Comment
  JEPS122714  Baccharis glutinosa Jake Ruygt 1982-7-21 1376 Napa Edgerley Island. Quad: Cuttings Warf. Comment
  POM350406  Baccharis pilularis J. T. Howell 1932-10-8 10802 Napa Napa River levee at Cuttings Wharf Comment
  RSA136311  Baccharis salicifolia John H. Thomas 1955-5-21 5155 Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 168 Comment
  OBI48782  Balsamorhiza hookeri L. F. LaPre 1986-7-11 s.n. Napa Tributary to Hunting Crk, 1 mi S of Dunnigan Hill, near the Lake co line. Jericho Valley 7.5' quad T11N, R5W sec 14 396 Comment
  CAS-BOT-BC16526  Barbarea orthoceras Paul F. Covel 1940-4-30 1710 Napa CCC - Las Posadas Camp - near Pacific Union College. Comment
  UCD114278  Barbarea orthoceras G. F. Hrusa; G. L. Stebbins 1994-3-11 11601 Napa Ink Grade, approx. 2 m. NE of angwin. 450 Comment
  JEPS68458  Beckmannia syzigachne W. L. Jepson 1923-6-3 9977 Napa e Yountville; Napa Valley Comment
  CDA6268  Bellardia trixago T. C. Fuller 1958-5-1 3729 Napa Northeast corner, Highways 29 & 21, 6 miles south of Napa. 0 Comment
  HSC83367  Bellardia trixago Nancy J. Hull 1974-5-19 102 Napa State Hwy. 12, 5 mi. W of Jct. with Hwy. 80 15 Comment
  POM15680  Bellardia trixago A. A. Heller 1902-5-24 5600 Napa Near Napa. Comment
  JEPS120400  Bergia texana Jake Ruygt 1998-12-7 4120 Napa About .15 miles west of boat ramp at Lake Hennessey. 94 Comment
  RSA769216  Bergia texana L. Ahart 2009-10-27 16485 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road,, about 20 air miles northwest of Winters 130 Comment
  JEPS122698  Berula erecta Jake Ruygt 1979-7-24 771 Napa 0.5 miles east of Flosden Road on American Canyon Road. Quad: Cordelia. Comment
  JEPS104573  Blennosperma nanum Jake Ruygt 1978-1-25 227 Napa 1 mile north of Soda Canyon Rd. on Silverado Trail 19 Comment
  JEPS18806  Blennosperma nanum var. nanum W. L. Jepson 1940-2-29 19498 Napa 4 mi se Yountville Comment
Read comments
Oct 4 2009
  CAS-BOT-BC15944  Boechera breweri subsp. breweri Peter H. Raven 1951-6-10 2946 Napa Near Calistoga Palisades. 792 Comment
  JEPS13536  Boschniakia strobilacea W. L. Jepson 1924-4-27 10387 Napa Mt. St. Helena perhaps near Toll House. Comment
  JEPS106841  Brassica rapa Jake Ruygt 1977-2-22 131 Napa 100 yds south of Trancas St. on Big Ranch Rd. 13 Comment
  CAS-BOT-BC36763  Brassica rapa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium. Comment
  JEPS104526  Brickellia californica Jake Ruygt 1982-9-8 1386 Napa Capell Creek 1 mile east of HWY 128, Berryessa-KnoxvilleRd 143 Comment
  CAS-BOT-BC145367  Briza minor John H. Thomas 1955-5-21 5132 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  SEINET181189  Brodiaea coronaria subsp. coronaria Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-9 15084 Napa 20 miles North of Napa Comment
  UCD20727  Brodiaea elegans Ellen Dean; w/ Mark Bibbo 2002-6-17 1104 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 182 Comment
  JEPS7654  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-24 7665 Napa near Toll House; Mount Saint Helena Comment
  UCD160680  Brodiaea elegans subsp. elegans Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8752 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 177 Comment
  UC1300928  Brodiaea elegans subsp. elegans Helen K. Sharsmith 1962-6-3 5110 Napa Napa-Soda Springs road 152 Comment
  CAS-BOT-BC484200  Brodiaea elegans var. elegans Belle Richardson Jackson 1930-6-8 s.n. Napa On old toll road below Patten's Mt. St. Helena region Comment
  SEINET10839784  Bromus arvensis Ana Maria Planchuelo 1980-1 Planchuelo 508 Napa Route 128 between winters and rutherford. Comment
  CDA10912  Bromus carinatus G. F. Hrusa, M. Rejmanek 1993-5-15 11008 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS123012  Bromus carinatus Jake Ruygt 1997-4-24 3834 Napa Atlas Peak Road about 4 miles north of Monticello Road. Quad: Capell Valley. Comment
  JEPS76092  Bromus carinatus var. carinatus W. L. Jepson 1938-5-24 18849 Napa Plateau n of Four Corners (Napa Range, Howell Mountain); Napa Range, Howell Mountain 762 Comment
  UCD17977  Bromus carinatus var. carinatus Ellen Dean; with Plant Biology 102 class 2001-4-14 702 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, below stock pond. 152 Comment
  UCD81827  Bromus carinatus var. carinatus Ellen Dean 2009-4-24 5454 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  CAS-BOT-BC155843  Bromus catharticus var. elatus Peter H. Raven 1951-5-20 2836 Napa Oakville. 48 Comment
  JEPS75999  Bromus japonicus W. L. Jepson 1936-6-1 17591 Napa w side of Four Corners (Howell Mt.); Howell Mountain, Four Corners Comment
  JEPS76002  Bromus japonicus W. L. Jepson 1936-6-1 17590 a Napa Napa Range, Howell Mountains, w side of Four Corners Four Corners; Napa Range, Howell Mountains, Four Corners Comment
  CDA10878  Bromus laevipes G. F. Hrusa, M. Rejmanek 1993-5-15 10973 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS76075  Bromus laevipes W. L. Jepson 1938-5-18 18787 Napa behind the St. Helena Sanitarium (Howell Mountain); Howell Mountain Comment
  CHSC61248  Bromus porteri J. Lund 1980-4-12 Napa On Hwy 29, 4.5 miles west of Robert Lewis Stevenson State Park. 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
  UCD18145  Bromus rubens Jean Shepard; with PLB 102 class 2000-4-29 200 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
  JEPS123002  Bromus sterilis Jake Ruygt 1994-4-26 3361 Napa Pope Valley (Juliana Vineyard); north of Barnett Road. Quad: Aetna Springs. Comment
  UCD168574  Bromus sterilis Stephen P. Rae; A. Solomeshch 2007-4-10 s.n. Napa Lieff property east of Rutherford, 40 Auberge Road above Rutherford Hill Road, just north of the intersection of Silverado Trail and Highway 128. 165 Comment
  UCD118546  Calamagrostis ophitidis Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, downslope and 30 meters south of undeveloped road. 391 Comment
  UCD37118  Calamagrostis ophitidis Beecher Crampton 1957-5-16 4045 Napa Napa County, north end of Capell Valley, along Highway 128, above Capell Creek. Comment
  UCD57744  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  UCD48082  Calandrinia breweri M. Carson; A. Haselby, S. Howard, P. Mayers 2000-4-29 1 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  UCD100279  Calandrinia ciliata M. R. Wanzer 1948-5-15 21 Napa just south of the judging pavilion, University of California campus, Davis. Comment
  CDA6851  Calendula arvensis B. Bond 1952-3-13 Napa South of Napa. 0 Comment
  UC146148  Callitriche heterophylla var. bolanderi J. P. Tracy 1902-5-21 1614 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 518 Comment
  HSC45356  Calochortus amabilis R. York 1978-4-8 103 Napa 2 mi. W of Angwin on Hwy. 128 305 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
  RSA10700  Calochortus amabilis Carl B. Wolf 1928-5-3 1787 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC130972  Calochortus amabilis Katharine Brandegee 1909-6-1 Napa Pope Valley Grade from Calistoga Comment
  UCD139478  Calochortus amabilis H. Popenoe 1949-5-1 19 Napa one mile from Pope Valley on road to St. Helena. Comment
  UCD139479  Calochortus amabilis Robert E. Preston 1988-4-10 580 Napa 0.4 mile SW of the confluence of Putah and Hunting Creeks. 268 Comment
  UCD73425  Calochortus amabilis Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC488490  Calochortus amabilis L. R. Abrams 1928-5-3 12208 Napa St. Helena Grade Comment
  RSA145271  Calochortus amabilis Simonds 1928-05 SN Napa Browns Valley. 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
  UC917115  Calochortus amabilis W. M. Grannell 1950-4-27 15 Napa n side Putah Canyon Comment
  UCD14304  Calochortus amabilis Todd Jones 1983-5-1 14 Napa Highway 128, ca. 1.9 miles north of Moscowite Corners, 15.6 miles beyond Monticello Dam. Comment
  UCD73424  Calochortus argillosus Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCD70349  Calochortus luteus P. J. Plummer 1995-5-29 s.n. Napa Napa County Along hwy 128; 1 m from the hwy. Flowers bright yellow with brown-purple stripes and splotches. 213 Comment
  UCR212359  Calochortus luteus Ayzik Solomeshch 2007-5-30 s.n. Napa Woolls Ranch, 1032 Veeder Road, northwest of the city of Napa 152 Comment
  CAS-BOT-BC492545  Calochortus luteus Wayne Roderick 1967-5-20 s.n. Napa Snell Valley 457 Comment
  RSA222009  Calochortus luteus W. C. Merrill 1895-05 s.n. Napa Calistoga Comment
Read comments
Jan 23 2011
  SEINET8197377  Calochortus luteus W. Roderick 1967-5-20 s.n. Napa Snell Valley. 457 Comment
  UCR24142  Calochortus pulchellus John C. Roos 1939-4-18 278 Napa North Coast Range, Pope Valley Grade, Angwin 500 Comment
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Feb 17 2006
  SEINET4169985  Calochortus pulchellus Unknown 1952-4-20 71 Napa Samuel Springs, 7 mi N. W. of Monticello Comment
  SEINET4169986  Calochortus pulchellus H. E. Cott 1949-6-5 A- 120 Napa Along State Hwy. 37, ca. 10 mi from jct. with Hwy. 28 Comment
  CAS-BOT-BC132623  Calochortus uniflorus C. F. B. 1903-4-19 1979 Napa Calistoga Comment
  JEPS113986  Calochortus uniflorus Jake Ruygt 1981-5-6 1011 Napa Highway 28, 0.2 mile south of Lower Chiles Valley Road. Chiles Valley 7.5' Quad. Comment
  RSA3280  Calochortus uniflorus D. D. Keck 1931-4-4 1097 Napa Geysers just NW of Calistoga, NW Napa County 110 Comment
  RSA369104  Calochortus uniflorus Alice Eastwood 1918-5-2 6879 Napa Calistoga Comment
  UC843712  Calochortus uniflorus Alice Eastwood 1918-5-2 6879 Napa Calistoga Comment
  UCD167101  Calochortus vestae Jake Ruygt 2015-6-20 6139 Napa Missimer - Snell Valley Preserve. 175 Comment
  UC1876218  Calycadenia fremontii Gerald D. Carr 1971-9-20 666 Napa 4.2 mi N of Spanish Flat on Knoxville-Berryessa Rd. 152 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
  CAS-BOT-BC270618  Calycadenia multiglandulosa C. C. Parry 1881-1-1 s.n. Napa Calistoga Comment
  UCD129808  Calycadenia pauciflora Gerald D. Carr 1971-8-6 616 Napa Lower Chiles Valley Road, 1.3 miles north of Hwy 128. 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-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-BC270831  Calycadenia pauciflora Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Road, 1.3 miles S of Snell Valley Road Comment
  POM298248  Calycadenia pauciflora H. M. Hall 1923-10-12 11926 Napa 16 miles SE of Lowerlake Comment
  UCD129809  Calycadenia pauciflora Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Road, 1.3 miles south of Snell Valley Road. Comment
  UCD129844  Calycadenia pauciflora Gerald D. Carr 1972-8-9 727 Napa Mysterious Creek Road, 11.3 miles southwest of Berryessa-Knoxville Road. Via Devilhead Road. Comment
  UCD129905  Calycadenia pauciflora Gerald D. Carr 1971-9-20 668 Napa 1.8 miles southeast of Lake County line on Morgan Valley Road, 125 yards north of road. Comment
  UCR23720  Calycadenia truncata John C. Roos 1939-7-16 254 Napa North Coast Range, Palisades, Napa Range near Calistoga 823 Comment
  CAS-BOT-BC271552  Calycadenia truncata subsp. truncata David D. Keck 1933-11-10 2720 Napa 1 mi. N. of Yountville Comment
  CAS-BOT-BC271559  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa Gill's, Howell Mt. Comment
  CAS-BOT-BC90959  Calycanthus occidentalis Peter H. Raven 1950-6-20 2335 Napa In the Napa Range between Saint Helena and Conn Valley. Comment
  CAS-BOT-BC90961  Calycanthus occidentalis Mrs. H. C. Cantelow 1940-4-21 2993 Napa Monticello Grade. Comment
  JEPS40312  Calycanthus occidentalis Willis L. Jepson 1901-8-6 1725 Napa Howell Mt. grade; Napa River Basin Comment
  JEPS46420  Calycanthus occidentalis W. L. Jepson 1895-11-27 Napa St. Helena Comment
  RSA456153  Calycanthus occidentalis E. S. Spalding 1924-7-4 s.n. Napa White Sulphur Springs Canon, near St. Helena. Comment
  RSA456155  Calycanthus occidentalis B. C. Templeton 1957-6-26 s.n. Napa About 1.1 miles E of Calistoga. Comment
  UCD13154  Calycanthus occidentalis Kathleen Worden 1981-5-24 12 Napa Sage Canyon Rd. 1.2 miles east of intersection with Silverado Trail. Comment
  UCD137899  Calycanthus occidentalis Andrew T. Leiser 1965-6-1 s.n. Napa Napa Mountains. Comment
  UCD164750  Calystegia collina subsp. collina Jake Ruygt 2014-5-28 5962 Napa Oat Hill Mine Road east. 424 Comment
  UCD170189  Calystegia collina subsp. collina Daniel Potter; Ninh Khuu, Ellen Dean 2015-3-22 768 Napa Knoxville Wildlife Area, west of Zim Zim Falls. 406 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
  UCD164771  Calystegia occidentalis subsp. occidentalis Jake Ruygt 2014-5-19 5945 Napa Sutro Ranch, Atlas Peak. 762 Comment
  UC23153  Calystegia purpurata Willis L. Jepson 1894-5-3 Napa St. Helena , St. Helena (Napa River Basin) Comment
  JEPS31641  Calystegia purpurata Willis L. Jepson 1894-5-1 14515 Napa Napa River Basin , trip to mouth Conn Valley (trip to Mouth Conn Valley) Comment
  UC449947  Calystegia purpurata H. P. Chandler 1907-5-29 7594 Napa White Sulphur Spr , White Sulphur Spr (St. Helena) Comment
  CAS-BOT-BC224627  Calystegia purpurata subsp. purpurata Peter H. Raven 1952-5-26 4035 Napa St. Helena to Howell Mt. 304 Comment
  CAS-BOT-BC224342  Calystegia subacaulis subsp. subacaulis Rimo Bacigalupi 1928-6-20 1859 Napa Howell Mt 10 miles west of St Helena Comment
  JEPS122730  Camissonia contorta Jake Ruygt 1991-5-11 2666 Napa Intersection Aetna Extension Road with Oat Hill Mine Road. Quad: Detert Reservoir. Comment
Read comments
Jun 18 2018
  UCD75840  Campanula angustiflora Jake Ruygt 2005-6-1 4890 Napa Blue Ridge, about 1 mile north of Mays Flat. 737 Comment
  UCD75839  Campanula griffinii Jake Ruygt 1996-5-14 3691 Napa White Cliff Springs, Elder Valley, Sabini property. 384 Comment
  CAS-BOT-BC37587  Cardamine californica Willis Linn Jepson 1896-2-22 s.n. Napa Napa River Basin. Hills of St. Helena. Comment
  UCD170207  Cardamine hirsuta Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 750 Napa Knoxville Wildlife Area, along Eticuera Creek, west of Berryessa-Knoxville Road. 246 Comment
  UCD83862  Cardamine hirsuta Ellen Dean; Stephen Rae 2010-3-15 5820 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  CAS-BOT-BC37858  Cardamine oligosperma Peter H. Raven 1953-3-29 5216 Napa Hills east of Imola. 121 Comment
  RSA135620  Carduus pycnocephalus John H. Thomas 1955-5-21 5123 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa 244 Comment
  OBI68596  Carduus pycnocephalus T. C. Fuller 1958-5-1 451 -58 Napa S facing slope, State hwy 53, 2.5 mi N Calistoga Comment
  CAS-BOT-BC19170  Carex barbarae Wilhelm Nikolaus Suksdorf 1913-7-24 619 Napa High bank of the Napa River below the city. Comment
  JEPS63519  Carex barbarae W. L. Jepson 1934-10-19 16900 Napa Napa River near St. Helena Comment
  UC826510  Carex barbarae Wilhelm N. Suksdorf 1913-7-24 619 Napa On a high bank of the Napa River below the town. Comment
  JEPS63518  Carex densa W. L. Jepson 1936-7-2 17640 Napa Angwin Meadow, Howell Mountain Napa Range Comment
  SEINET11052782  Carex densa Ellen Dean, Clare Loughran 2011-5-20 7064 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road, west of town of St. Helena. 615 Comment
  UCD148832  Carex densa Ellen Dean; Diana Hickson 2014-4-29 8137 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  UCD95934  Carex densa Ellen Dean; with Clare Loughran 2011-5-20 7064 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
  UCD161698  Carex densa Jake Ruygt 2010-5-24 5561 Napa south of Heitz Way, west side of Highway 29. 94 Comment
  UCD161746  Carex densa Jake Ruygt 1994-5-14 3374 Napa Mead Ranch, Atlas Peak Road, south of Foss Valley. 481 Comment
  UCD161784  Carex densa Jake Ruygt 2002-3-15 4360 Napa Highway 29 about 3/4 mile south of Yountville. 23 Comment
  JEPS121349  Carex dudleyi Jake Ruygt 1996-4-20 3619 c Napa Jameson Canyon Vineyards entry road. Comment
  JEPS121346  Carex multicaulis Jake Ruygt 1997-4-4 3821 Napa Mt Veeder, south of Lokoya Roads. Comment
  CAS-BOT-BC119515  Carex nudata Alice Eastwood; John Thomas Howell 1937-4-4 3826 Napa Rocky stream-bed near summit N of Wooden Valley. Comment
  UCD161584  Carex nudata Jake Ruygt 2008-4-12 5290 Napa Zim-Zim Creek, downstream of falls about 3/4 mile. 268 Comment
  UC1147830  Carex senta Alice Eastwood, John Thomas Howell 1937-4-4 3826 Napa near summit N of Wooden Valley Comment
  POM118372  Carex serratodens Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC117620  Carex serratodens Ella D. Cantelow 1939-8-8 2500 Napa 3.5 mi NW of Knoxville. Comment
  UC1158108  Carex serratodens Joseph P. Tracy 1950-5-23 18684 Napa along branch of Moores Creek; Las Posadas State Forest, Howell Mountain 335 Comment
  UCD161699  Carex subbracteata Jake Ruygt 2010-5-20 5572 Napa North Whitehall Lane at the first slope encountered traveling west. 70 Comment
  CAS-BOT-BC116769  Carex subfusca Peter H. Raven 1951-6-10 2929 Napa Crater Region E of Palisades. 762 Comment
  UC1023493  Carex subfusca Peter H. Raven 1951-6-10 2929 Napa e Palisades; Crater Region 762 Comment
  CAS-BOT-BC115550  Carex tumulicola Peter H. Raven 1951-6-24 3023 Napa Brown's Valley to Napa-Sonoma Rd. 91 Comment
  UCD161360  Carex tumulicola Jake Ruygt 1988-5-1 2172 Napa Swartz Creek near Cleary Reserve. (Coordinates estimated by label maker at UC Davis). 292 Comment
  UCD35855  Carthamus lanatus Beecher Crampton 1965-5-13 7336 Napa ca. 3 miles southeast of Calistoga, Silverado Trail. Comment
  HSC20481  Castilleja affinis Greg Bos 1963-3-3 25 Napa W shore lake Berryesa, west slope 457 Comment
  JEPS25049  Castilleja affinis subsp. affinis J. P. Tracy 1899-6-26 371 Napa 32 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  JEPS103914  Castilleja affinis subsp. affinis T. I. and F. M. Chuang 1991-6-23 7833 Napa 1.3 mi SW of junction with Wooden Valley Rd., on Hwy 121. Comment
  JEPS17072  Castilleja affinis subsp. affinis Rimo Bacigalupi with John Dawson 1955-4-25 4843 Napa about 0.75 mi w (below) Hennessey Lake Dam (along Conn Creek road) 79 Comment
  SEINET10702279 Image available Castilleja ambigua A. Arthur Heller 1902-5-24 Heller 5601 Napa Near Napa. Comment
  CDA10882  Castilleja attenuata G. F. Hrusa, M. Rejmanek 1993-5-15 10977 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS74864  Castilleja attenuata T. I. and F. M. Chuang 1975-5-4 7505 Napa 5.7 mi e Pope Valley Comment
  JEPS21806  Castilleja attenuata Margaret Whitmore 1958-4-11 43 Napa 2 mi n Napa (on Atlas Peak road) 16 Comment
  UC194175  Castilleja attenuata C. F. Sonne Apr 1895 Napa Napa Junction Comment
  JEPS110628  Castilleja densiflora subsp. densiflora Jake Ruygt 1978-5-14 309 Napa .3 mile south of Oak Knoll Ave. on Silverado Trail 19 Comment
  JEPS110669  Castilleja densiflora subsp. densiflora Jake Ruygt 1990-4-20 2485 Napa near end of Henry Rd. 97 Comment
  CHSC83409  Castilleja foliolosa L. P. Janeway; B. Castro 2002-5-12 7533 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  UC1217067  Castilleja foliolosa Paul C. Hutchison 1963-3-3 2675 Napa 2 mi above St. Helena Sanitarium (along the road to Pope Valley) Comment
  RSA195319  Castilleja foliolosa Gilbert Muth 1967-4-9 607 Napa Between Aetna and Callistoga. 671 Comment
  UCR179385  Castilleja lacera Katherine Esau 1932-5-3 s.n. Napa Napa Comment
  UC75151  Castilleja rubicundula subsp. lithospermoides C. F. Baker 1903-5-8 2965 Napa Knoxville Comment
  UCD123048  Castilleja rubicundula subsp. lithospermoides Gerald D. Carr; R. F. Denno 1971-5-13 544 Napa Roadside field, 1.0 mi N of jct. of Lower Chiles Valley Rd. with Calif. 128, on Lower Chiles Valley Rd. Comment
  JEPS41078  Castilleja rubicundula subsp. rubicundula Rimo Bacigalupi, and L. R. Heckard 1965-5-16 9099 Napa ca 7 mi se Knoxville (at the head of Devilhead Road, at center of Cedar Valley); Cedar Valley 579 Comment
  CAS-BOT-BC48938  Ceanothus cuneatus E. Ruckert 1960-4-9 80 Napa 6495 Dry Creek Road, about 440 yards south of house 420 Comment
  JEPS42085  Ceanothus cuneatus var. cuneatus W. L. Jepson 1910-3-28 4025 Napa sw Rebecca Ranch grade (Calistoga) Comment
  JEPS78442  Ceanothus cuneatus var. cuneatus Edward Lee 1936-3-15 1824 Napa trip from Rutherford to Pope Valley Butt's Canyon Comment
  CAS-BOT-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-BC64442  Ceanothus divergens Walter Knight; Irja Knight; Cliff Schmidt 1987-3-29 6105 Napa Kortum Canyon Road 1.0-1.5 mi. from Sharpe Rd. Comment
  JEPS110718  Ceanothus divergens Jake Ruygt 1979-3-25 460 Napa 1.5 miles west of HWY 29 on Whitehall Lane 128 Comment
  JEPS42261 Image available Ceanothus divergens W. L. Jepson 1897-5-2 14037 Napa Rebecca Ranch Grade, Upper Napa Valley. Near Calistoga, i.e. westerly = Hoods Peak Range Comment
  RSA261719  Ceanothus divergens Katherine Brandegee 1889-04 s.n. Napa St. Helena Comment
  RSA32476  Ceanothus divergens Milo S. Baker 1939-02 s.n. Napa 1.5 miles west of Napa-Calistoga Hwy at a point 3/4 mile south of Connor Ranch Comment
  UCSB24496  Ceanothus divergens Baker, Milo Napa Franz Valley 5 miles west of Calistoga Comment
  CAS-BOT-BC83819  Ceanothus foliosus D. O. Burge; C. Miller 2007-6-12 941 b Napa Mayacmas Mountains, at roadside on Livermore Road 535 Comment
  JEPS42390  Ceanothus foliosus W. L. Jepson 1894-10-14 14020 a Napa near Calistoga (Rebecca Ranch grade) Comment
  RSA399074  Ceanothus foliosus Bonnie C. Templeton 1957-6-27 s.n. Napa 4 miles up trinity road near the junction to Oakville Comment
  UC1005687  Ceanothus foliosus Frank W. Gould 1939-4-6 597 Napa 5 mi e Napa (just n of Mt. George.) 228 Comment
  UC18330  Ceanothus foliosus Willis L. Jepson 1893-5-4 Napa trail to first summit of Mt. St. Helena Napa River Basin Comment
  SACT002921  Ceanothus foliosus M. Wiesendanger 1928-4-5 Napa Collected on road Comment
  CAS-BOT-BC50876  Ceanothus foliosus var. foliosus H. E. McMinn 1922-6-8 175 Napa Howell Mt. Comment
  CAS-BOT-BC50912  Ceanothus foliosus var. foliosus Paul F. Covel 1940-4-28 1705 Napa Grade near Sanatarium Comment
  CAS-BOT-BC50919  Ceanothus foliosus var. foliosus John Thomas Howell; Alice Eastwood 1939-6-11 7430 Napa Hills west of Calistoga Comment
  UCD112140  Ceanothus foliosus var. foliosus Ray Prag 1971-4-23 s.n. Napa State Highway 121, 1.9 miles south of Wooden Valley Road. 365 Comment
  UCD164751  Ceanothus foliosus var. foliosus Jake Ruygt 2014-6-7 5974 Napa Livermore Ranch, Montesol. 838 Comment
  JEPS20114  Ceanothus jepsonii Willis L. Jepson 1896-2-23 14032 Napa near New Eden (Howell Mt. Grade); Napa River Basin Comment
  UCD48145  Ceanothus jepsonii R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 15 Napa Northern Napa County, McLaughlin Reserve, on east facing slope of first hill northwest of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 426 Comment
  JEPS110860  Ceanothus jepsonii var. albiflorus Jake Ruygt 1976-4-15 11 Napa 2.4 miles west of Butts Canyon Rd. on Aetna Springs Rd. 329 Comment
  UCD147529  Ceanothus oliganthus Ellen Dean; Diana Hickson 2014-4-29 8083 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  CAS-BOT-BC51563  Ceanothus oliganthus var. sorediatus David D. Keck 1931-4-2 1011 Napa Foot of Wooden Valley Grade, West base of Napa Range, 4.5 miles NE. of Napa 90 Comment
  HSC44021  Ceanothus oliganthus var. sorediatus Robert M. Specht 1977-4-18 681 Napa Along N side of Develhead Rd. 451 Comment
  SBBG4518  Ceanothus oliganthus var. sorediatus M. Van Rensselaer 1938-4-26 Napa Wooden Valley Grade 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
  UCD112309  Ceanothus oliganthus var. sorediatus Beecher Crampton 1970-4-15 8563 Napa North end of Capell Valley State Hwy. 128. Comment
  UCD112319  Ceanothus oliganthus var. sorediatus M. Van Rensselaer 1938-4-26 s.n. Napa Wooden Valley Grade. Comment
  CAS-BOT-BC53177  Ceanothus parryi C. Hart Merriam 1915-6-19 s.n. Napa Ridge west of Napa (between Napa and Sonoma, above Sequoia Resort) Comment
  CAS-BOT-BC53223  Ceanothus parryi Alice Eastwood 1915-6-6 4657 Napa Mt. St. Helena Comment
  CDA11906  Ceanothus parryi G. F. Hrusa, G. L. Stebbins 1994-4-8 11712 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  JEPS42242  Ceanothus parryi W. L. Jepson 1938-5-22 18820 Napa Limekiln Creek Canyon Pope Valley (lower slopes) Comment
  UC1299537  Ceanothus parryi Freed W. Hoffman 1947-3-20 941 Napa East side of Napa Range on Trinity Road Comment
  UC1602797  Ceanothus parryi C. C. Parry 1881-8-3 Napa Calistoga Comment
  UC79862  Ceanothus parryi Katharine Brandegee June 1889 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UCD95896  Ceanothus parryi Ellen Dean; with Clare Loughran 2011-5-20 7042 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  UCSB16719  Ceanothus parryi Van Rensselaer, Maunsell 1938-4-26 Napa Wooden Valley Grade Comment
  SEINET12211101  Ceanothus parryi F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -302 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  UCSB10935  Ceanothus parryi Dearing, Hugh; Dearing, Margaret 1939-5-2 Napa Dry Creek Road Comment
  HSC18366  Ceanothus prostratus C. B. Wolf 1928-5-4 1854 Napa Mt. St. Helena Comment
  JEPS2521 Image available Ceanothus purpureus W. L. Jepson 1893-4-28 Napa Mt. George gorges n of; Napa River Basin; Mt. George, Napa River Basin Comment
  LA44989  Ceanothus purpureus Alice Eastwood; John Thomas Howell 1937-4-4 3832 Napa Wooden Valley grade 182 Comment
  RSA114006  Ceanothus purpureus Milo S. Baker 1931-2-8 s.n. Napa 5 miles from napa on Monticello Road Comment
  UC924264  Ceanothus purpureus H. S. Reed 1939-4-16 Napa Napa Hills 213 Comment
  UCD112681  Ceanothus purpureus J. Street 1950-4-24 s.n. Napa 4 miles north of Napa, 2 feet high. Comment
  UC1736103  Ceanothus sonomensis Dean W. Taylor 1998-6-3 16455 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 624 Comment
  UC79913  Ceanothus velutinus T. S. Brandegee 1889-4 3 Napa Toll House Mt. St. Helena Comment
  UCD170429  Centaurea calcitrapa Daniel Potter; Daniel McNair 2016-4-23 922 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  UCSB45558  Centaurea calcitrapa Roos, John 1957-6-28 Napa Napa Comment
  JEPS120433  Centaurium davyi Jake Ruygt 2010-5-31 5576 Napa Mead Ranch, in large meadow with vernal pools. Comment
  JEPS46940  Centaurium trichanthum W. L. Jepson 1930-10-19 15699 Napa Butts Canyon, ne Napa Co Butts Canyon Comment
  JEPS46941  Centaurium trichanthum W. L. Jepson 1897-7-12 14638 Napa Samuels Springs to Aetna Springs Comment
  JEPS46950  Centaurium trichanthum Willis L. Jepson 1892-7-28 14639 Napa near Knoxville Comment
  UC1195666  Centaurium trichanthum A. R. Kruckeberg 1947-6-15 1493 Napa 0.7 mi w Knoxville (along Knoxville-Lowre Lake Road) Comment
  UC1245376  Centaurium venustum J. P. Tracy 1950-5-23 18667 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Moores Creek, La Jota Plateau 518 Comment
  CAS-BOT-BC288605  Centromadia fitchii John Thomas Howell 1930-10-19 5611 Napa 1 mile E of Aetna Springs, Pope Valley Comment
  CAS-BOT-BC272823  Centromadia parryi subsp. parryi H. M. Hall 1923-10-15 11948 Napa Calistoga Comment
  CAS-BOT-BC272832  Centromadia parryi subsp. parryi C. C. Parry 1881-1-1 s.n. Napa Calistoga Comment
  JEPS122713  Centromadia parryi subsp. parryi Jake Ruygt 1994-6-7 3397 Napa Calistoga Airport. Quad: Calistoga. Comment
  CAS-BOT-BC279256  Centromadia pungens subsp. pungens David D. Keck 1933-11-10 2725 Napa 6 mi. S. of Napa Comment
  CAS-BOT-BC222944  Cephalanthus occidentalis John Thomas Howell 1929-8-4 4367 Napa One mile bleow Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  UCD164822  Cephalanthus occidentalis Jake Ruygt 2012-6-30 5870 Napa Putah Creek, north of Crystal Flats. 195 Comment
  HSC4108  Cerastium glomeratum W. L. Jepson 1921-5-6 9178 Napa Calistoga 109 Comment
  UCD148756  Ceratophyllum demersum Jake Ruygt 2010-8-4 5681 Napa Napa County; Lake Hinman, west of the Veterans' Home. 109 Comment
  CAS-BOT-BC179387  Cercis occidentalis Ethel Crum 1937-4-18 1787 Napa 11 miles N of Monticello on Knoxville Road. Comment
  SBBG29889  Cercis occidentalis E. Crum 1937-8-8 1956 Napa Putah Crk Cyn, 7 mi SE of Monticello Comment
  UCD105654  Cercis occidentalis D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 330 Comment
  UCD48886  Cercis occidentalis S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 27 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd, N of jct with Cut-Off Rd. 152 Comment
  UC1784135  Cercocarpus betuloides Ethel Crum 1930-1 814 Napa St. Helena Comment
  JEPS45528  Cercocarpus betuloides var. betuloides Willis L. Jepson 1893-5-22 13868 Napa E of Calistoga (Pope Valley grade near the Palisades); Napa River Basin Comment
  UC419739  Cercocarpus betuloides var. betuloides Mrs. H. P. Bracelin 1930-7-13 26 Napa s slope of Mount St. Helena Comment
  CAS-BOT-BC284574  Chaenactis glabriuscula var. heterocarpha Peter H. Raven 1951-5-20 2852 Napa Hills W. Oakville 548 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
  UC894475  Chaenactis glabriuscula var. heterocarpha Milo S. Baker 1931-4-19 5413 Napa just nw of School house (along highway, Conn Valley); Conn Valley Comment
  CHSC103011  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-12 16437 -A Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UC615139  Chamaesyce serpyllifolia Beryl O. Schreiber 1936-9-20 2356 Napa 5 mi s Reiff 762 Comment
Read comments
Jun 14 2013
  JEPS59713  Chenopodium ambrosioides W. L. Jepson 1892-10-22 Napa St. Helena Napa River Comment
  SEINET5763970 Image available Chenopodium ambrosioides H. S. Reed 1948-1 2029 Napa Berryessa Valley, 2 mi N of Monticello Comment
  UCD148776  Chenopodium berlandieri Jake Ruygt 2006-7-22 5076 Napa Rutherford. Napa River north of Zinfandel Lane. 56 Comment
  UCD48268  Chlorogalum pomeridianum var. pomeridianum C. Owens; A. Atamian, R. Brush, S. Olmsted, M. Furuyama 2000-4-29 13 Napa Border of Yolo and Napa County, McLaughlin Reserve one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct.1999). 640 Comment
  UCD54265  Chlorogalum pomeridianum var. pomeridianum S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson,A. Houser,S. Wathen 2000-4-22 26 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 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
  SEINET11933915  Chorizanthe polygonoides var. polygonoides F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -297 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  CAS-BOT-BC36499  Chrysolepis chrysophylla Alice Eastwood 1915-6-6 4699 Napa Mt. St. Helena Comment
  CAS-BOT-BC36451  Chrysolepis chrysophylla var. minor H. E. Mc. Minn 1922-3-27 53 Napa Mt. St. Helena 1066 Comment
  JEPS120410  Cichorium intybus Jake Ruygt 2010-6-19 5612 Napa 200 yds west of Hunting Creek along Putah Creek. Comment
  JEPS122703  Cicuta douglasii Jake Ruygt 1992-5-15 2965 Napa In the Vale east of Johnson's Meadow north end. Quad: Mt. George. Comment
  UCD127359  Cicuta douglasii Lloyd Harwood 1972-11-6 s.n. Napa Wild Horse Valley Ranch. Comment
  JEPS59225  Cirsium cymosum var. cymosum Willis L. Jepson 1892-7 Napa Knoxville Mountain Region of Clear Lake Comment
  CDA9154  Cirsium douglasii var. breweri D. G. Kelch 2001-6-2 1 .019 Napa E of American Canyon, N of American Canyon Rd. Comment
  OBI76869  Cirsium douglasii var. douglasii Neal Kramer 2012-7-18 2065 Napa Approx 1.3 mi W of jctn I-80 and American Cyn Rd NAD83 UTM 10S 0567936E 4224770N 72 Comment
  RSA31218  Cirsium occidentale var. venustum Joseph A. Ewan 1934-4-30 8847 Napa 5 miles south of Monticello on Steel Canyon Road. Comment
  JEPS59181  Cirsium remotifolium var. odontolepis W. L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  UCD49184  Clarkia affinis S. Murphy; K. Keck and K. Dyer 2002-5-5 7 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. 250m. 327 Comment
  CAS-BOT-BC172181  Clarkia concinna John Thomas Howell 1929-5-30 4279 Napa Between Chiles and Pope Valleys, Napa Range Comment
  UCD63051  Clarkia concinna D. Sanchez-Mata 2006-6-11 s.n. Napa Turtle Rock-Rutherford. Lower Chiles Valley Road. Chiles Valley. 270 Comment
  CAS-BOT-BC172174  Clarkia concinna William Fottrell 1906-7-1 s.n. Napa Napa redwoods. Comment
  OBI48652  Clarkia concinna Joseph Andorfer Ewan 1934-4-30 8858 Napa 4 mi above Samuel Springs, Rays Valley Grade Comment
  CHSC59990  Clarkia concinna subsp. concinna Keith G. Weinstock 1975-5-26 37 Napa Lower Chiles Valley Road and Sage Canyon Road Intersection. Comment
  JEPS43619  Clarkia concinna subsp. concinna W. L. Jepson 1904-6-3 2438 Napa St. Helena to Howell Mt. Comment
  UC130893  Clarkia concinna subsp. concinna Katharine Brandegee 1909-6-1 Napa from Calistoga; Pope Valley Grade Comment
  UCD104446  Clarkia concinna subsp. concinna L. P. Thibault 1995-6-2 58 Napa South side of Highway 128, ca. 2 miles E of Lower Chiles Valley Road. 300 Comment
  UCSC009023  Clarkia concinna subsp. concinna Dylan M. Neubauer 2015-4-24 125 Napa (NCoRI) Sage Canyon Rd/Hwy 128, across from S edge Lake Hennessey 101 Comment
  CAS-BOT-BC164630  Clarkia gracilis subsp. gracilis Carl B. Wolf 1928-5-3 1784 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  UC562521  Clarkia gracilis subsp. gracilis Joseph P. Tracy 1933-6-2 12490 Napa 5 mi e Angwin's; Howell Mountain, Moore's Creek 457 Comment
  CAS-BOT-BC162480  Clarkia gracilis subsp. sonomensis Peter H. Raven 1950-6-28 2350 Napa Napa Range between Conn Valley & Howell Mtn. Comment
  JEPS120335  Clarkia gracilis subsp. sonomensis Jake Ruygt 2005-5-16 4849 Napa Old Toll Road, Jericho Canyon. Detert Reservoir 7.5' Quad. Comment
  JEPS43654  Clarkia gracilis subsp. sonomensis W. L. Jepson 1904-5-28 2429 Napa St. Helena York Creek Comment
  SEINET4145440  Clarkia gracilis subsp. sonomensis K. Brandegee 1910-5-22 120 Napa Mountain flopes from Calistoga to the Toll House Comment
  JEPS110695  Clarkia gracilis subsp. tracyi Jake Ruygt 1982-6-13 1324 Napa Chiles Valley 297 Comment
  RSA495972  Clarkia gracilis subsp. tracyi L. D. Gottlieb 1988-5-24 8821 Napa On Route 128, near milepost 16.15, about 0.2 mile east of Lower Chiles Valley road turnoff Comment
  UCD63050  Clarkia gracilis subsp. tracyi Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 Comment
  CAS-BOT-BC163695  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1953-5-2 5391 Napa Hills due e. of Yountville 243 Comment
  HSC82082  Clarkia purpurea subsp. quadrivulnera Thomas W. Nelson, Jane P. Nelson 1980-5-3 5135 Napa Along St. Helena-Pope Valley Rd., 1 mi. W of Angwin Comment
  JEPS120334  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 2005-5-21 4858 Napa Skyline Park, base of Rimrock Trail. Mount George 7.5' Quad. Comment
  UC142974  Clarkia purpurea subsp. quadrivulnera Katharine Brandegee July 1910 Napa near Angwin Comment
  CAS-BOT-BC163827  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1933-6-4 11387 Napa Hills east of Napa Comment
  UCD167276  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1986-5-10 1759 Napa Devil's Canyon. 591 Comment
  JEPS110693  Clarkia rhomboidea Jake Ruygt 1978-5-21 335 Napa .3 mile north of White Cottage Rd. on Summit Rd. 536 Comment
  JEPS110694  Clarkia rhomboidea Jake Ruygt 1989-5-20 2344 Napa ridge about 1 mile north of Mt. Vaca 804 Comment
  SEINET4149835  Clarkia unguiculata R. R. Halse 1989-5-13 3830 Napa Along State Hwy 29 on the Calistoga Grade, ca. 2.5 miles N of Calistoga 228 Comment
  HSC17756  Claytonia exigua subsp. exigua C. B. Wolf 1928-2-25 1495 Napa Mt. St. Helena Grade, 5 mi. N of Calistoga Comment
  JEPS43313  Claytonia exigua subsp. exigua Willis L. Jepson 1893-4-29 Napa St. Helena Reservoir; Napa River Basin Comment
  CAS-BOT-BC439373  Claytonia gypsophiloides Rimo Bacigalupi 1926-3-28 1269 Napa Patton's Toll House along old road, Mt. St. Helena Comment
  JEPS43324  Claytonia gypsophiloides W. L. Jepson 1910-3-28 4020 Napa sw of Calistoga (Rebecca Ranch grade) Comment
  CAS-BOT-BC439325  Claytonia gypsophiloides Willis L. Jepson 1897-5-2 s.n. Napa Rebecca Ranch Grade, Napa River Basin Comment
  UCD49144  Claytonia parviflora subsp. parviflora Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, W side of South Decker Canyon Rd., N of jct with Cut-Off Rd., in drainage near dilapidated buildings. 152 Comment
  CAS-BOT-BC233834  Claytonia parviflora subsp. parviflora John Thomas Howell 1931-4-3 6132 Napa Pope Creek Canyon 8 miles from Monticello Comment
  UCD14400  Claytonia parviflora subsp. parviflora Todd Jones 1983-5-29 13 Napa Highway 128, 4.9 mi. north of Moscowite Corner, 15.6 mi. beyond Monticello Dam Comment
  UCD15057  Claytonia perfoliata Lorraine Clarke 1977-4-16 16 Napa California, Napa Co.; along Highway 128, 6.4 miles by road SSW of Monticello Dam; Comment
  CAS-BOT-BC440045  Claytonia perfoliata subsp. perfoliata Alice Eastwood 1918-5-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC91449  Clematis lasiantha J. M. Bigelow 1854-4-27 s.n. Napa Hillsides, Napa Valley. Comment
  CAS-BOT-BC91450  Clematis lasiantha Peter H. Raven 1952-5-26 4062 Napa Near Walter's Springs. 170 Comment
  SEINET9364415  Clematis lasiantha Unknown 1995-4-16 Napa Napa County Comment
  UCD20832  Clematis lasiantha C. Kremen; N. Nicola 2001-3-30 48 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, along Hwy. 128, aprox. 0.5 mi. west of Montecello Dam via road. Lat/long is estimate. Comment
  UCR106847  Clematis lasiantha A. Bennett 1977-4-17 13 Napa Inner Coast Range, Hwy 128, 4.6 mi. west of Monticello Dam Comment
  UCR146179  Clematis lasiantha Beecher Crampton 1954-5-18 1918 Napa Vaca Mountains, 10 minutes southwest of Monticello, along Highway 128 274 Comment
  CAS-BOT-BC92682  Clematis ligusticifolia H. E. McMinn 296 Napa Upper Pope Canyon about 6 miles north of Aetna Springs on road to Middleton. Comment
  JEPS110884  Clematis ligusticifolia Jake Ruygt 1998-8-29 4111 Napa Berryessa-Knoxville Road at crossing of Eticuera Creek. 216 Comment
  CHSC108730  Collinsia heterophylla B. Castro; L. P. Janeway 2002-5-12 1358 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 505 Comment
  HSC44029  Collinsia heterophylla Robert M. Specht 1977-5-14 887 Napa Near Jct. of Develhead Rd. and Morgan Valley Rd. (Knoxville-Berryessa Rd.) 457 Comment
  JEPS7345  Collinsia heterophylla W. L. Jepson 1944-5-21 27527 Napa Adam-and-Eve Ridge Howell Mountain (valley at w base) Comment
  UCD49266  Collinsia heterophylla M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 11 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of West and East roads, along lower road leading to power lines. 289 Comment
  UCD49268  Collinsia heterophylla L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 22 Napa SW end of Lake Berryessa, Quail Ridge Reserve, on South Decker Canyon Rd., between Cut-Off Rd. and Decker Ridge Rd. 228 Comment
  JEPS7343  Collinsia heterophylla W. L. Jepson 1938-5-18 18795 Napa above St. Helena Sanitarium; Howell Mt. Comment
  CDA11323  Collinsia sparsiflora G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12029 Napa At entrance gate UC Quail Ridge Reserve. Comment
  SEINET13406371  Collinsia sparsiflora M. J. Williams 1967-5-7 s.n. Napa Pope Valley. 198 Comment
  UCD123653  Collinsia sparsiflora G. F. Hrusa; S. Larson 1995-4-10 12064 Napa along Chiles Valley/Pope Valley Road approximately 2 meters south of Pope Canyon Road intersection. North Coast Biodiversity Arena. 175 Comment
  UCD69030  Collinsia sparsiflora P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa, Lower Chiles Valley Road. 255 Comment
  UCD20036  Collinsia sparsiflora C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1202 Napa Mount Saint Helena, in area where J. M. Tucker hybridized Quercus. Comment
  CHSC22324  Collinsia sparsiflora var. arvensis Katherine Steedman 1965-4-3 39 Napa 1.5 mi e of Pope Valley. 152 Comment
  SFV8689  Collinsia sparsiflora var. arvensis S. Logan 1965-3-19 1 Napa Dollarhide Road about 3 miles east of Pope Valley. Comment
  UC1301188  Collinsia sparsiflora var. arvensis Helen K. Sharsmith 1963-3-17 5223 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  UC147869  Collinsia sparsiflora var. arvensis J. P. Tracy 1902-5-18 1533 Napa 3-4 mi e Angwin (head Moore's Creek); Head Moore's Creek, Howell Mountain 518 Comment
  JEPS15592  Collinsia sparsiflora var. arvensis Rimo Bacigalupi with John Dawson 1955-4-25 4844 Napa 0.75 mi w, below Lake Hennessey Dam (along Conn Creek rd) 79 Comment
  RSA10659  Collinsia sparsiflora var. arvensis Carl B. Wolf 1928-5-3 1830 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  UCD123675  Collinsia sparsiflora var. sparsiflora G. F. Hrusa 1995-4-2 12044 Napa above Highway 128. 200 Comment
  HSC81609  Collomia diversifolia Thomas W. Nelson, Jane P. Nelson 1980-5-3 5145 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  SEINET2444681  Collomia diversifolia Leigh A. Johnson 1996-5-26 96 -013 Napa Along Butts Canyon Road, between road and creek. ca. 25 meters NW of pullover area 1.4 miles NW of jct with Snell Valley Road (9.7 miles SR of jct with HWY 29). 375 Comment
  UCD170355  Collomia diversifolia Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 854 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 458 Comment
  UCD167220  Collomia diversifolia Jake Ruygt 1981-5-21 1038 Napa Putah Creek north of Snell Valley. 182 Comment
  POM263160  Collomia heterophylla J. C. Roos 1939-4-29 260 Napa Blake's Canyon, Howell Mt. Comment
  RSA88579  Collomia heterophylla L. S. Rose 1954-5-24 54047 Napa Summit, Wooden Valley grade, 6 miles N E of Napa. Comment
  UCD167221  Collomia heterophylla Jake Ruygt 1998-5-16 3966 c Napa Maggie's Peak area. 579 Comment
  UCD127325  Conium maculatum R. Tofsrud 1948-7-15 s.n. Napa Yountville. Comment
  JEPS64337  Corallorhiza maculata W. L. Jepson 1894-7-19 21267 Napa near Toll House; Mt. St. Helena Comment
  UC127118  Cordylanthus pilosus subsp. pilosus Harley P. Chandler Sep 7 1906-Sep 14 1906 7116 Napa Howell Mt; Alta Loma Ranch 487 Comment
  UC762582  Cordylanthus pilosus subsp. pilosus R. F. Hoover 1941-8-24 5570 Napa east side Mt. St. Helena Comment
  JEPS55934  Cordylanthus pilosus subsp. pilosus T. I. Chuang and F. M. Chuang 1968-7-24 6478 Napa 2.7 mi n Calistoga (on road bank, Hwy 29) Comment
  JEPS62604  Cordylanthus pilosus subsp. pilosus T. I. Chuang with Fei-Mei Chuang 1970-8-25 6841 Napa 1 mi nw St. Helena (on US Hwy 29) Comment
  JEPS7001 Image available Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-9 4750 Napa grade over shoulder Mt. St. Helena (road from Calistoga to Middletown, near Hanley's Resort) Comment
  JEPS7009  Cordylanthus pringlei W. L. Jepson 1930-10-19 15701 Napa Butts Canyon Comment
  JEPS62596  Cordylanthus pringlei T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 Napa 0.9 mi n Napa and Lake County line (on US Hwy 29) Comment
  JEPS6821  Cordylanthus pringlei R. F. Hoover 1938-9-3 3793 Napa e side Mt. St. Helena Comment
  UC21512  Cornus glabrata unknown 2657 Napa Pope Valley Comment
  UCD47955  Cornus glabrata Ryan Knox; E. McDermott and G. Walden 2002-4-13 1 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of road, from Knoxville Creek's bank. 131 Comment
  JEPS48543  Cornus nuttallii Elsa Kraeger 1926-3-28 Napa roadside below St. Helena Inn Mt. St. Helena Comment
  POM298446  Cornus nuttallii H. C. Cantelow 1936-3-22 s.n. Napa Howell Mt. Comment
  JEPS97929  Coronopus squamatus Jake Ruygt 1997-4-28 3839 Napa S of Napa (E of Hwy 29, S of South Kelly Road) 19 Comment
  UC127083  Corylus californica Harley P. Chandler Sep 7-14 1906 7156 Napa Alta Loma Ranch Howell Mountain 487 Comment
  SEINET2065359 Image available Corylus cornuta Royal D. Suttkus 1967-6-26 67 -3035 Napa Clearly Reserves, 7.2 miles NE of Pope Valley. Comment
  CAS-BOT-BC180346  Corylus cornuta subsp. californica Peter H. Raven 1952-5-26 4047 Napa Howelll Mt. 426 Comment
  UCD110076  Corylus cornuta subsp. californica Baki Kasapligil 1964-4-11 3458 Napa Angwin 7 miles east of St. Helena, Howell Mt. Ca. 1700 along creek. Comment
  JEPS110660  Crataegus monogyna Jake Ruygt 1995-4-24 3447 Napa Mt. Veeder Road south of Lakoya Road, (Franciscan Estate) 262 Comment
  UCD144651  Crocanthemum scoparium 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
  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
  CAS-BOT-BC189250  Cryptantha John H. Thomas 1958-4-19 7125 Napa About 2 miles SW of Oakville 152 Comment
  SD180605  Cryptantha clevelandii var. dissita Beecher Crampton 1954-5-20 1929 Napa 8.0 miles southwest of Monticello, along highway 128. Comment
  UCR141015  Cryptantha clevelandii var. dissita Beecher Crampton 1954-5-20 1929 Napa Inner North Coast Ranges, 8 miles southwest of Monticello, along highway 128 305 Comment
  JEPS67599  Cryptantha flaccida W. L. Jepson 1904-6-3 2443 Napa Howell Mt. Napa Range 792 Comment
  JEPS85017  Cryptantha flaccida Larry Heckard and Mary Ashton 1969-5-3 2227 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 510 Comment
  UCD148934  Cryptantha flaccida Ellen Dean; Diana Hickson 2014-4-29 8146 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  JEPS100375  Cryptantha hispidula Dean W. Taylor 2001-5-15 17651 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  UC55902  Cryptantha hispidula J. P. Tracy 1902-5-21 1575 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  UCD170433  Cryptantha hispidula Daniel Potter; Peter Lash 2017-3-28 905 Napa Knoxville Wildlife Area, on road on ridge above and east of upper Zim Zim Creek drainage, west of Berryessa-Knoxville Road. 537 Comment
  UC1278106  Cryptantha hispidula Beecher Crampton 1955-4-7 2442 Napa 0.5 mi nw Knoxville (ne Napa County) Comment
  UC78713 Image available Cryptantha hispidula C. F. Baker 1903-5-8 2966 Napa Knoxville; ; Knoxville, Napa Co. Comment
  UCD41409  Cryptantha intermedia Ellen Dean; T. and M. Starbuck 2004-4-3 2001 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. W of turn-off to old town of Knoxville, N side of road, about 0.5 airline miles WSW of site of old town of Knoxville. 437 Comment
  JEPS106740  Cryptantha microstachys Jake Ruygt 1995-4-29 3452 Napa Skyline Park, Sugarloaf Peak Trail. 402 Comment
  CAS-BOT-BC80720  Cupressus macnabiana H. E. McMinn 1925-1-24 1395 B Napa Pope Valley Canyon between Monticello & Pope Valley P.O. Comment
  JEPS21187  Cupressus macnabiana H. L. Mason 1925-1-22 1208 Napa Pope Canyon Comment
  UC144147  Cupressus macnabiana W. J. V. Osterhout 1909-1-1 Napa St. Helena Crater Comment
  UC1607977  Cupressus macnabiana Donald G. Nelson 1940-8-7 705 Napa ca. 2 mi. n.w. Knoxville (at the sign of the Manhattan Mines); Inner Coast Range Comment
  UCD47751  Cupressus macnabiana J Waggoner; E. Anderson, L. Lina, A. Miles, and R. Wenk. 2000-4-22 14 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCD67772  Cupressus macnabiana D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa MacLaughlin UC Natural Reserve. 680 Comment
  NY16702  Cupressus macnabiana P. H. Raven 1951-10-28 3958 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA92799  Cupressus macnabiana P. H. Raven 1951-10-28 3958 Napa Knoxville. 457 Comment
  UC1076280  Cupressus macnabiana H. L. Mason 1924-1-23 1208 Napa Pope Canyon 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-BC85487  Cupressus sargentii Carl Brandt Wolf; E. R. Johnson 1934-10-16 2149 Napa above Aetna Springs about 1/2 mi. SW of Quicksilver Mine 457 Comment
  UC1076281  Cupressus sargentii H. L. Mason 1926-1-2 2606 Napa Toll House Canyon Mt. St. Helena Comment
  UCD133660  Cupressus sargentii C. B. Wolf; E. R. Johnson 1934-10-16 6193 Napa Above Aetna Springs about .5 mi. SW of Quicksilver Mine. 457 Comment
  SEINET13289871 Image available Cupressus sargentii C. G. Pringle 1882-1 s.n. Napa near Calistoga Comment
  UCD160762  Cuscuta Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8632 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  JEPS47095  Cuscuta indecora W. L. Jepson 1930-10-19 15703 Napa Butts Canyon Comment
  RSA0045600  Cynoglossum grande Keith E. Hoffmaster 1946-3-9 1039 Napa Napa range, near summit along Napa-Monticello road. Comment
  UCD60134  Cynosurus cristatus John Thomas Howell 1943-6-20 18239 Napa Southwest of St. Helena. Comment
  UC1177100  Cynosurus echinatus Peter H. Raven 1950-6-20 2352 Napa Howell Mountain Comment
  JEPS121340  Cyperus aristatus Jake Ruygt 1991-6-29 2746 Napa Doe Lake, Friesen's lakes, Angwin. Comment
  CAS-BOT-BC114676  Cyperus eragrostis Betty H. Johnson 1958-6-20 s.n. Napa Along moist sandy edge of stream, near Mt. Mill House, 6.4 mi SW of Middletown. Comment
  CAS-BOT-BC114680  Cyperus eragrostis Adolph Daniel Edward Elmer 1903-7-1 4656 Napa Napa Comment
  CHSC102535  Cyperus erythrorhizos Lowell Ahart 2009-10-27 16496 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  RSA757290  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  SEINET9743379  Cyperus erythrorhizos Mark Bibbo 2002-7-28 75 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. Comment
  UCR263782  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa North Coast Ranges, Lake Hennesy c. 15 air miles north-northwest of Napa, on Conn Creek, east of boat-launching ramp on southeast edge. 91 Comment
  SEINET7581749 Image available Cyperus erythrorhizos Peter H. Raven 1951-10-28 3933 Napa West end of Conn Lake. Comment
  CHSC14003  Cystopteris fragilis C. Eiser 1974-4-24 30 Napa Ne Hwy 128, ca. 6 mi from Markley Canyon Launching, Lake Berryessa. 365 Comment
  JEPS116568  Cystopteris fragilis Jake Ruygt 1993-4-3 3181 Napa Little Bear Valley. Detert Reservoir 7.5' Quad. Comment
  UCD60493  Danthonia californica R. Tofsrud 1947-6-19 s.n. Napa 1 mi. S. of Calistoga on Hwy. 29. Comment
  UCD60520  Danthonia californica Beecher Crampton 1962-5-16 6437 Napa Pope Valley (the town). 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
  UCD48432  Daucus pusillus K. Mogel; B. Pekin and M. Higley 2002-5-4 7 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; side of road. 310 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
  RSA0005311  Delphinium hesperium Joseph A. Ewan 1934-4-30 8835 Napa Ditch at edge of cultivated field along Steel Canyon Road, 1/2 mi. from junction with Monticello-Winters Road. 1 Comment
  UC1031409  Delphinium hesperium H. Lewis and G. Mehlquist 1941-5-9 Napa Monticello to Napa rd 1.5 mi s road to St. Helena Comment
  UC467768  Delphinium hesperium subsp. hesperium H. P. Chandler 1907-5-26 7590 Napa White Sulphur Spring St. Helena Comment
  JEPS110986  Delphinium hesperium subsp. pallescens Jake Ruygt 1978-5-21 329 Napa 4.5 miles north of Sage Canyon Rd. on Chiles and Pope V. Rd 259 Comment
  UC1196312  Delphinium hesperium subsp. pallescens Joseph P. Tracy 1899-6-19 352 Napa on hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  JEPS41079  Delphinium hesperium subsp. pallescens Rimo Bacigalupi and L. R. Heckard 1965-5-15 9094 Napa along creek about 1 mi w Devilhead Road (from Cedar Valley to Knoxville) (edge of small valley); Zim Zim Creek 487 Comment
  UCD16027  Delphinium hesperium subsp. pallescens N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 15 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 4.5-6 dm tall, flowers pinkish to purplish. Comment
  CDA11174  Delphinium nudicaule G. F. Hrusa 1988-4-16 5538 Napa North Coast Biodiversity Arena; Hwy. 128 ~ 2 miles S of Lower Chiles Valley Rd. 140 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
  UC130936  Delphinium nudicaule Katharine Brandegee 1909-6-1 Napa from Calistoga; Pope Valley Grade Comment
  UCD96061  Delphinium nudicaule G. L. Webster 1967-3-23 7487 Napa Along Chiles Creek c. 1 mi. SW Chiles Grist Mill, Pope Valley Rd. 137 Comment
  RSA155464  Delphinium nudicaule L. S. Rose 1961-3-30 61027 Napa 1 mile N of Conn Reservoir, Lake Henessy. 152 Comment
  UC635346  Delphinium patens H. L. Mason 1928-4-13 4330 Napa hills between Santa Rosa and Calistoga Comment
  UCD20920  Delphinium patens V. (Shorty) Boucher 2002-4-11 11 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd, just south of 'Susan's Road.' About 1000 airline ft SW of locality for Dean 898 - Saxifraga californica (coordinates are for that locality). 274 Comment
  RSA155420  Delphinium patens L. S. Rose 1961-3-30 61026 Napa 1 mile N of Conn Reservoir, Lake Henessy. 152 Comment
  CAS-BOT-BC116495  Delphinium patens subsp. patens Alice Eastwood 1918-5-1 6815 Napa Mt. St. Helena Comment
  JEPS110980  Delphinium uliginosum Jake Ruygt 1988-5-29 2192 Napa Cedar Valley 585 Comment
  CAS-BOT-BC17174  Delphinium variegatum Clara A. Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC17175  Delphinium variegatum Hilda Smyth 1899-1-1 s.n. Napa near Napa Comment
  CAS-BOT-BC7913  Delphinium variegatum Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  UCD147535  Delphinium variegatum Ellen Dean; Diana Hickson 2014-4-29 8089 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  CAS-BOT-BC7911  Delphinium variegatum Ella D. Cantelow 1939-4-8 2523 Napa Pope Creek, near Jct. of Samuel's Springs Road 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
  RSA701031  Delphinium variegatum Wilma Griset 1931-3-29 44 Napa [Unspecified] Comment
  UCD96742  Delphinium variegatum R. L. Smith 1948-5-8 s.n. Napa Near Edmunds Springs, east branch of Monticello Valley. Comment
  JEPS62392  Delphinium variegatum subsp. variegatum W. L. Jepson 1938-5-18 18800 Napa on slope above St. Helena Sanitarium; Howell Mountain Comment
  SBBG2221  Delphinium variegatum subsp. variegatum H. and M. Dearing 1939-5-2 3249 Napa near Napa Comment
  UC638511  Delphinium variegatum subsp. variegatum Mildred Mathias 1938-4-24 1335 Napa slopes above road on e side of mt. Mount St. Helena 457 Comment
  CAS-BOT-BC657  Dendromecon rigida subsp. rigida Severin A. Baumann 1953-7-4 10 Napa Top of rocky hill, on edge of highway 2 miles from Oakville between Boyes Springs and Oakville. 213 Comment
  POM365009  Deschampsia cespitosa subsp. cespitosa P. H. Raven 1965-5-15 20210 Napa Cedar Valley, vicinity of Knoxville. 61 Comment
  UCR43085  Deschampsia cespitosa subsp. cespitosa L. F. LaPre 1986-5-6 s.n. Napa Inner North Coast Ranges, Cedar Creek, 3.5 mi SW of Knoxville & c. 0.5 mi (air) west of Devilhead Road at the junction of the creek & a dirt road 550 Comment
  CAS-BOT-BC198143  Deschampsia danthonioides Joseph P. Tracy 1903-5-15 1854 Napa Napa Valley near Calistoga 91 Comment
  CAS-BOT-BC201722  Deschampsia elongata Alice Eastwood 1922-5-4 11253 Napa Calistoga Comment
  JEPS64159  Dichelostemma capitatum Willis L. Jepson 1893-5-2 20968 Napa e from Calistoga (on New Pope Valley grade); Napa Range, New Pope Valley Grade Comment
  UC421804  Dichelostemma capitatum Katharine Brandegee 1901-6-1 Napa Pope Valley Grade Comment
  UCD48273  Dichelostemma capitatum K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 6 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., ca. 20 ft south of path. 545 Comment
  JEPS64149  Dichelostemma capitatum W. L. Jepson 1938-5-24 18848 Napa below Four Corners (at the hair-pin bend in road); Napa Range, Howell Mountain 762 Comment
  UC333348  Dichelostemma capitatum unknown 1889-4-28 Napa above Calistoga Comment
  UCD148736  Dichelostemma capitatum subsp. capitatum Jake Ruygt 1977-3-14 154 Napa Napa County; 2.2 miles north of Silverado Trail on Soda Canyon Road. 115 Comment
  UCD70462  Dichelostemma capitatum subsp. capitatum B. Wengeler 1995-4-16 s.n. Napa West of City of Winters, 2 m W of Monticello Dam along hwy 128. Open hillside. Perennial, 24 in tall. Flowers purple. 158 Comment
  UCD160771  Dichelostemma congestum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8650 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  UC1094321  Dichelostemma congestum Peter H. Raven 1957-5-5 10773 Napa w edge Calistoga Comment
  UCD169613  Dichelostemma multiflorum 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
  UCD18162  Dichelostemma volubile Eva Bayon; with PLB 102 class 2000-4-29 s.n. Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CAS-BOT-BC502802  Dichelostemma volubile Cornelia S. Masters 1915-6-15 s.n. Napa Napa Valley Comment
  CAS-BOT-BC153781  Diplacus angustatus J. P. Tracy 1902-5-18 1536 Napa La Jota Plateau, Howell Mountain; Head of Moore's Creek 3-4 miles East of Angwin's 518 Comment
  CAS-BOT-BC150364  Diplacus aurantiacus Peter H. Raven 1952-5-31 4127 Napa S.W. of Rector Canyon 152 Comment
  CAS-BOT-BC153275  Diplacus kelloggii Alice Eastwood 1915-6-5 4613 Napa Petrified Forest Comment
  CAS-BOT-BC208623  Distichlis spicata Peter H. Raven 1951-6-24 3024 Napa Inter, Brown's Valley to Napa-Sonoma Rd. 91 Comment
  RSA638888  Dodecatheon hendersonii Marcia R. Davis 1977-4-16 16 Napa along Highway 128, 6.4 mi. southwest of Monticello Dam, on the left side of the road while travelling southwest. 213 Comment
  UCD15066  Dodecatheon hendersonii Mark Harder 1977-4-16 8 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam; Comment
  UCD15068  Dodecatheon hendersonii Alan B. Chan 1977-4-16 7 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam; 152 Comment
  JEPS106561  Downingia bicornuta var. bicornuta Jake Ruygt 1993-5-1 3244 Napa Pope Canyon Rd at large vernal pond 187 Comment
  JEPS106782  Draba verna Jake Ruygt 1993-4-3 3184 Napa Little Bear Valley 670 Comment
  CHSC31985  Dryopteris arguta L. Ahart 1976-3-7 1020 Napa Above Monticello Dam, ca. 2 mi sw of Monticello Dam. 152 Comment
  CAS-BOT-BC70944  Dryopteris arguta John Thomas Howell 1926-3-28 1767 Napa St. Helena Creek near Patten's 609 Comment
  CAS-BOT-BC70945  Dryopteris arguta Peter H. Raven 1954-1-22 6381 Napa Sulphur Springs Resort, west of St. Helena 121 Comment
  JEPS50046  Dudleya cymosa W. L. Jepson 1938-5-22 18821 Napa Limekiln Creek Canyon Pope Valley Comment
  UCD47954  Dudleya cymosa A. Laffin; S. Holck, A. Randall 2002-4-13 5 Napa Napa County, McLaughlin UC Reserve, North of Knoxville-Berryessa Road and ca. 0.5 airline mile WSW of old town of Knoxville. 437 Comment
  UC830917  Dudleya cymosa Milo S. Baker 1932-5-7 5994 Napa 7-8 mi Monticello (Pope Creek) Comment
  CAS-BOT-BC428153  Dudleya cymosa subsp. cymosa John H. Thomas 1955-5-21 5165 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena. 274 Comment
  JEPS106392  Dudleya cymosa subsp. cymosa Jake Ruygt 1978-5-7 296 Napa 1.4 miles NE of Spanish Flat tuurnoff on HWY 128 146 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
  CHSC102266  Dysphania pumilio Lowell Ahart 2009-10-27 16484 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS115733  Echinochloa colona Lowell Ahart 2009-10-12 16463 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 133 Comment
  UCD161619  Eleocharis bella Jake Ruygt 2004-5-29 4611 Napa Bear Valley at the pond. 640 Comment
  CAS-BOT-BC112775  Eleocharis macrostachya Lewis Samuel Rose 1935-6-4 35199 Napa Irrigation ditch, Oakville 45 Comment
  UCD48497  Eleocharis macrostachya A. Collier; D. Caterson and S. Kenady 2002-5-4 2 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads, near stock pond. 320 Comment
  SEINET9358379  Eleocharis palustris Unknown 1935-6-4 35199 Napa Napa Comment
  CAS-BOT-BC112661  Eleocharis parvula Peter H. Raven 1953-10-4 6367 Napa Tidal wash, Duttons Landing. 0 Comment
  CAS-BOT-BC203833  Elymus X hansenii Peter H. Raven 1952-6-28 4206 Napa Conn Valley 137 Comment
  SACT001058  Elymus canadensis M. Wiesendanger 1927-5-4 Napa Comment
  UCD118395  Elymus elymoides subsp. elymoides Rachael Olliff; 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. 407 Comment
  CDA10876  Elymus glaucus G. F. Hrusa, M. Rejmanek 1993-5-15 10971 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. 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
  UCD61848  Elymus glaucus M. Wiesendanger 1927-5-4 702 Napa Monticello, Napa Road. Comment
  CAS-BOT-BC203593  Elymus glaucus subsp. glaucus Carl B. Wolf 1928-5-3 1794 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  JEPS122975  Elymus glaucus subsp. glaucus Jake Ruygt 2002-5-12 4415 Napa Southwest corner of Firefly Lane and Valle Verde Drive, Napa. Quad: Napa. Comment
  JEPS84680  Elymus glaucus subsp. glaucus John W. Willoughby 1979-5-25 4327 Napa top of ridge just above Pansy Flat (flat is about 1 mi s of Signal Hill just below and to w of Blue Ridge); Vaca Mountains 609 Comment
  UCD160740  Elymus multisetus Ellen Dean 2015-5-23 8792 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. 240 Comment
  UCD62649  Elymus trachycaulus Beecher Crampton 1962-5-16 6423 Napa 6.4 miles south of Pope Valley, western slope of Chiles Valley. Comment
  CAS-BOT-BC166345  Epilobium canum subsp. canum Peter H. Raven 1951-8-22 3883 Napa 2 8/10 miles from Lokoya on Napa Rd. 228 Comment
  JEPS44029  Epilobium canum subsp. canum W. L. Jepson 1922-10-22 9834 Napa bed of White Sulphur Creek St. Helena Comment
  UC1299425  Epilobium canum subsp. canum Freed W. Hoffman 1946-8-20 850 Napa Trinity Road North Coast Ranges, Dry Creek Comment
  UC20656  Epilobium canum subsp. canum Capt. F. L. Clark Oct. 1895 Napa Yountville Comment
  UCD160707  Epilobium cleistogamum Ellen Dean; Jake Ruygt 2015-5-23 8766 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  UC1198493  Epilobium densiflorum Joseph P. Tracy 1938-8-7 16096 Napa in ditch Yountville 30 Comment
  RSA264970  Epilobium minutum Gilbert Muth 1974-4-6 s.n. Napa Near Cedar Roughs near Pope Valley. 701 Comment
  CAS-BOT-BC57377  Equisetum laevigatum Peter H. Raven 1952-6-28 4215 Napa Pope Cr. below Samuel's Spr. 121 Comment
  UCD116241  Eremalche parryi Eric S. Nagy 1990-4-29 005 Napa NW shore of Lake Berryessa, Berryessa Knoxville Road mile marker 16.25. Comment
  JEPS52486  Eremocarpus setiger W. L. Jepson 1923-10-22 9839 Napa St. Helena Comment
  JEPS122688  Erigeron foliosus var. foliosus Jake Ruygt 1981-7-23 1082 Napa West of Berryessa Peak. Quad: Brooks. Comment
  OBI16542  Erigeron greenei Robert F. Hoover 1966-8-23 9923 Napa E side of Mt St. Helena. 1/2 mi from Lake Co line Comment
  POM264143  Erigeron inornatus var. biolettii J. C. Roos 1939-4-16 252 Napa Angwin. 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
  RSA60356  Eriodictyon californicum G. R. Campbell 1948-6-18 659 Napa 10 miles south of Montecello Comment
  UC527841  Eriodictyon californicum R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6672 a Napa 7 mi ne of Pacific Union College (Howell Mt.) on road to Aetna Springs Howell Mt. Comment
  UCD119248  Eriodictyon californicum Kamala Crompton 1996-4-21 2 Napa Along Road 128. 180 Comment
  CAS-BOT-BC242608  Eriogonum dasyanthemum Peter H. Raven 1951-6-26 3080 Napa Cappell [Capell] Valley 365 Comment
  JEPS129045  Eriogonum dasyanthemum Jake Ruygt 2016-6-11 6284 Napa Smittle Creek, east side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  RSA128800  Eriogonum dasyanthemum Peter H. Raven 1951-10-28 3954 Napa Road 4 miles south of Knoxville 366 Comment
  UCD99893  Eriogonum dasyanthemum Christine Lowrie 1972-5-17 35 Napa Napa County Comment
  UC1925867  Eriogonum gracile Ethel Crum Oct 1930 911 Napa Conn Creek Road, Yountville to Pope Valley. Comment
  RSA0005059  Eriogonum latifolium var. parvulum S. G. Stokes 1933-8-27 88 Napa End of Sage Valley, Napa Mountains. Comment
  CAS-BOT-BC266056  Eriogonum luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa Mountains Comment
  CAS-BOT-BC266064  Eriogonum luteolum Alice Eastwood; John Thomas Howell 1939-6-11 7425 Napa Hood Mt. Range SW of Oakville Comment
  POM204404  Eriogonum luteolum J. T. Howell 1933-8-27 11651 Napa Chiles Valley Comment
  POM209859  Eriogonum luteolum S. G. Stokes 1933-8-27 80 Napa Sage Canyon, Napa Mountains. Comment
  UCD149671  Eriogonum luteolum Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  UCD164782  Eriogonum luteolum var. caninum Jake Ruygt 2009-5-22 5414 Napa American Canyon, across road from quarry. 161 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
  JEPS121540  Eriogonum luteolum var. luteolum Adam C. Schneider with Dick O'Donnell 2013-5-26 196 Napa Along Chiles Valley Road. Comment
  JEPS96714  Eriogonum luteolum var. luteolum Dean W. Taylor 1998-5-20 16449 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  SEINET7064412  Eriogonum luteolum var. luteolum A. G. Vestal 1963-5-12 s.n. Napa Serpintine on Spring Mountain Road. (NAD83/WGS84). UTM Zone 10, 542003mE, 4263213mN. 299 Comment
  UC6529  Eriogonum luteolum var. luteolum Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Wooden Valley grade Comment
  UCD167100  Eriogonum luteolum var. luteolum Jake Ruygt 2015-6-20 6138 Napa Missimer - Snell Valley Preserve. 178 Comment
  CAS-BOT-BC268976  Eriogonum nudum var. auriculatum Susan G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mountains Comment
  CAS-BOT-BC268980  Eriogonum nudum var. auriculatum John Thomas Howell 1930-7-13 5345 Napa Lower slopes of Mt. St. Helena Comment
  POM209879  Eriogonum nudum var. auriculatum S. G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mountains Comment
  CAS-BOT-BC269714  Eriogonum nudum var. oblongifolium L. R. Abrams 1916-7-2 5766 Napa Near St. Helena Sanitarium Comment
  JEPS120353  Eriogonum tripodum Jake Ruygt 1987-6-26 2056 Napa North of Devilshead Road near Hunting Creek. Knoxville 7.5' Quad. Comment
  JEPS56127  Eriogonum vimineum W. L. Jepson 1936-7-6 17653 Napa mountain slopes near Chiles Valley Comment
  CAS-BOT-BC300347  Eriophyllum John H. Thomas 1955-5-21 5125 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  HSC67487  Eriophyllum lanatum J. P. Smith, J. O. Sawyer 1970-5-17 3788 Napa 9 mi. N of Pope Valley Comment
Read comments
Jun 12 2012
  UCD132167  Eriophyllum lanatum J. D. Clark 1995-5-27 10 Napa collected on trail between 1/4 - 3/4 mile from trailhead at Highway 29. Trailhead begins on the east side of Highway 129 across from the Robert Lewis Stevenson State park parking lot. 548 Comment
  UCD160797  Eriophyllum lanatum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8677 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  CAS-BOT-BC301055  Eriophyllum lanatum var. achilleoides H. M. Hall 1931-5-27 13097 Napa Near Knoxville Comment
  UC90252  Eriophyllum lanatum var. achilleoides T. S. Brandegee 1883-8-1 Napa Calistoga Comment
  UCSC009024  Eriophyllum lanatum var. achilleoides Dylan M. Neubauer 2015-4-24 126 Napa (NCoRI) Sage Canyon Rd/Hwy 128, across from S edge Lake Hennessey 101 Comment
  CAS-BOT-BC301045  Eriophyllum lanatum var. achilleoides S. Saufferer 1973-5-24 222 Napa About 5 mis. northeast of Calistoga along Highway #29 Comment
  UC507185  Eriophyllum lanatum var. achilleoides Lincoln Constance 1931-3-21 138 Napa rock slide on Mount St. Helena Comment
  UC642443  Eriophyllum lanatum var. achilleoides Joseph Andorfer Ewan 1934-4-30 8814 Napa 4 mi above Napa; Sarco Creek Comment
  UCD159939  Erodium brachycarpum Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UC1130305  Erodium cicutarium A. E. Wieslander, H. S. Yates 1934-2-25 370 Napa 3 mi e Calistoga (Calistoga to Middletown); Calistoga Quad. 335 Comment
  UCD159949  Erodium cicutarium Alice Warrick 2007-5-11 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q-49. 243 Comment
  UCD49058  Erodium cicutarium E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 12 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. ca. 0.45 miles (2,400 ft.) as the crow flies NW from the jct of West Rd. and South Decker Canyon Rd. 249 Comment
  UCD170297  Eryngium Daniel Potter; Ninh Khuu, Kai Battenberg 2016-3-15 837 Napa Knoxville Wildlife Area, above and north of Nevada Creek 601 Comment
  UCD170455  Eryngium Daniel Potter; Ninh Khuu 2016-6-8 884 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  JEPS101784  Eryngium aristulatum var. aristulatum Dean W. Taylor 1999-7-20 17287 Napa Crystal Lake (large vernal lake west of Highway 128 and Capell Creek) 350 Comment
  UC648290  Eryngium aristulatum var. aristulatum John Thomas Howell 1933-9-3 11655 Napa 6 mi. n. Vallejo Comment
  UC21008  Eryngium articulatum Willis L. Jepson 1894-5-3 Napa near Napa R. St. Helena; Napa R. Basin, St. Helena Comment
  JEPS122697  Eryngium vaseyi Jake Ruygt 1987-5-27 2017 Napa D. F. G. property near Buchli Station. Quad: Cuttings Wharf. Comment
  CAS-BOT-BC54304  Erysimum capitatum David D. Keck 1931-4-2 1031 Napa Wooden Valley road, east side of Napa Range, 8 miles from Napa. Comment
  CAS-BOT-BC54305  Erysimum capitatum Mrs. H. C. Cantelow 1939-4-8 s.n. Napa Knoxville. Comment
  UCD161237  Erysimum capitatum var. capitatum Jake Ruygt 1989-4-20 2342 Napa Vaca Mountains about 1 mile north of Mt. Vaca. (Coordinates estimated by label maker at UC Davis). 804 Comment
  SEINET8274778  Erythranthe microphylla Richard W. Cleveland 1951-4-8 16 Napa on road from Monticello to Napa, 8 miles east of Napa. Comment
  CAS-BOT-BC133287  Erythronium helenae Mrs. Clara Hunt 1924-3-10 s.n. Napa unspecified Comment
  CAS-BOT-BC133294  Erythronium helenae Elizabeth Wright 1922-4-1 s.n. Napa Near Calistoga Comment
  JEPS113963  Erythronium helenae Jake Ruygt 1976-4-15 10 Napa 3.1 miles west of Butts Canyon Road on Aetna Springs Road. Aetna Springs 7.5' Quad. Comment
  UC643191  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa steep northerly slope just e Palisades (on old stage road, volcanic crater region); Mt. St. Helena Comment
  UCD69385  Erythronium helenae R. B. Kimsey; L. S. Kimsey 1997-5-3 s.n. Napa A half mile west of Aetna Spring, on Sugar Loaf Mountain. Comment
  RSA0000341  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mt. Helena, northern Napa County. Comment
  SEINET10528927  Erythronium pluriflorum James R. Shevock, Jim A. Bartel 1988-7-2 Shevock 11844 Napa Common along the north and northeast slope of Shuteye Peak on granitic rocky slopes, subalpine coniferous forest, T7S R23E, sect 2N 1/2. Chiquito Ridge, San Joaquim River drainage, Sierra National Forest. Associated with Saxifraga bryophora, Lomatatium torreyi and Sorbus californica. 8250 feet. Comment
  CAS-BOT-BC402790  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Martley Canyon on Hwy 128 Comment
  CAS-BOT-BC402797  Eschscholzia caespitosa John Thomas Howell 1931-4-3 6127 Napa Pope Creek Canyon, Napa Range 8 miles from Monticello Comment
  CAS-BOT-BC402803  Eschscholzia caespitosa David D. Keck 1931-4-3 1064 Napa Pope Creek canyon, 8 miles NW. of Monticello Comment
  UC10041  Eschscholzia caespitosa Willis L. Jepson 1893-5-2 Napa New Pope Valley grade Napa River Basin 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
  UCD73388  Eschscholzia caespitosa Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  CAS-BOT-BC402784  Eschscholzia caespitosa Mrs. H. C. Cantelow 1939-4-8 2513 Napa Pope Creek Rd. nr. Walter's Spring Rd. Comment
  SEINET5718781 Image available Eschscholzia caespitosa Kenneth H. Traver 1969-1 19 Napa 1 mile west of Monticello Dam; Monticello Dam Comment
  RSA3295  Eschscholzia caespitosa subsp. caespitosa D. D. Keck 1931-4-3 1064 Napa Pope Creek Canyon, 8 miles NW of Monticello Comment
  SD8239  Eschscholzia californica Brandegee Apr 1888 Napa Mt. St. Helena. Comment
  CAS-BOT-BC403338  Eschscholzia californica Gilbert Muth 1967-4-16 631 Napa Snell Valley 182 Comment
  RSA15683  Eschscholzia californica var. crocea Carl B. Wolf 1928-2-25 1485 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  SEINET4854346  Eschscholzia formosa Carl F. Baker 1903-4-20 2614 Napa Mount St. Helena. Comment
  HSC16780  Eschscholzia hypecoides Greg Bos 1963-3-24 44 Napa NW end of Lake Berryesa, at Putah Creek 168 Comment
  CAS-BOT-BC310499  Euchiton sphaericus H. Stabo 1961-10-1 s.n. Napa F. Nicholls prop., end of Mayo Lane, St. Helena Comment
  RSA10671  Euphorbia crenulata C. B. Wolf 1928-5-3 1818 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC447262  Euphorbia crenulata C. F. Baker 1903-4-20 2615 Napa Mt. St. Helena Comment
  UCD167058  Euphorbia crenulata Jake Ruygt 1998-4-22 3933 Napa Tributary to Cement Creek, about 1/2 mile from Cement Circle Road. 228 Comment
  UCD20021  Euphorbia crenulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1217 Napa 5.6 miles N of junction of Routes 128 and 37 on Route 128. Comment
  JEPS129137  Euphorbia maculata Jake Ruygt 1978-6-19 365 Napa Trefethen Winery, Oak Knoll Avenue. Napa 7.5' Quad. Comment
  JEPS100816  Euphorbia spathulata Dean Wm. Taylor with Mey Akasah 1999-6-4 17220 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  UCD20020  Euphorbia spathulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1218 Napa 5.6 miles N of junction of Routes 128 and 37 on Route 128. Comment
  JEPS115735  Euthamia occidentalis Lowell Ahart 2009-10-12 16420 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winte 437 Comment
  OBI74551  Euthamia occidentalis David J. Keil 1986-11-8 19797 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 3.0 mi S of turnoff to Homestead McLaughlin Mine/Mill 350 Comment
  CDA10863  Festuca californica G. F. Hrusa, M. Rejmanek 1993-5-15 10958 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD37300  Festuca californica Beecher Crampton 1959-5-7 5202 Napa State Highway 128, north end of Capell Valley, Capell Creek. Comment
  CAS-BOT-BC278341  Festuca californica subsp. californica Peter H. Raven 1950-4-15 1741 Napa Wooden Valley Grade above Napa 457 Comment
  UCD65899  Festuca californica subsp. californica J. Street 1950-4-24 Napa 4 mi. E of Rutherford. Comment
  CAS-BOT-BC282493  Festuca elmeri Peter H. Raven 1952-5-31 4157 Napa Rector Dam 152 Comment
  UCR146400  Festuca idahoensis Beecher Crampton 1965-5-13 7328 Napa Inner North Coast Ranges, South end of Chiles Valley on Hwy 128 305 Comment
  UCSB40902  Festuca microstachys Roos, John 1939-4-18 Napa 3.5 mi N. of Pacific Union College; Angwin; roadside below Dilly's place Comment
  JEPS45827  Festuca occidentalis Eleanor Armstrong 1932-5-29 179 Napa near Summit; Mt. St. Helena 274 Comment
  UCD37405  Festuca roemeri Beecher Crampton 1960-5-17 5533 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  JEPS122736  Festuca trachyphylla Jake Ruygt 2011-6-9 5800 b Napa South side of Mt George Palmaz Vineyards. Quad: Mt. George. Comment
  UCD118521  Frangula californica subsp. tomentella Amber Kimpel; 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. 417 Comment
  SEINET6694613 Image available Fraxinus dipetala Evert I. Schlinger 1952-1 69 Napa Samuel Springs, 7 miles northwest of Monticello 91 Comment
  CAS-BOT-BC223534  Fraxinus latifolia H. E. McMinn 1922-6-8 178 Napa Collected on summit of Howell Mt. Four Comment
  LA50918  Fraxinus latifolia Joseph Andorfer Ewan; 1934-4-30 8860 Napa near Samuel Springs, above Monticello on Pope Valley Grade Comment
  RSA22334  Fraxinus latifolia Joseph A. Ewan 1934-4-30 8860 Napa Near Samuel Springs, above Monticello, on Pope Valley Grade Comment
  RSA298947  Fraxinus latifolia Edward Lee 1936-3-15 1803 Napa Rutherford, Pope Valley Road, 3/4 mile out of Rutherford Comment
  SEINET13943113 Image available Fraxinus latifolia Lewis S. Rose 1955-1 55190 Napa Below Conn Lake; 4 mi NE of Rutherford; ca. 200 ft alt. 61 Comment
  CAS-BOT-BC205884  Fremontodendron californicum Agnes M. Bowman 1902-4-20 s.n. Napa Road to Knoxville Comment
  CAS-BOT-BC205890  Fremontodendron californicum M. A. Nobs 1939-6-3 s.n. Napa Half way between Monticello and Lower Lake Comment
  JEPS42891  Fremontodendron californicum W. L. Jepson 1943-5-15 20778 Napa Knoxville Ridge Comment
  SBBG26893  Fremontodendron californicum H. L. Mason 1935-5-30 10009 Napa 4 mi N of Knoxville Mines Comment
  UC726963  Fremontodendron californicum A. A. Heller 1941-5-16 16134 Napa 3 miles west of Knoxville on the road to Lower Lake Comment
  UCD116270  Fremontodendron californicum Beecher Crampton 1970-4-15 8557 Napa North end of Capell Valley, State Hwy. 128. Comment
  RSA96872  Fremontodendron californicum Percy C. Everett, E. K. Balls 1954-10-19 20370 Napa 3.9 miles NW of Knoxville on road to Lower Lake. 610 Comment
  JEPS128912  Fremontodendron californicum subsp. californicum Jake Ruygt 1992-5-20 2996 Napa North of Leoma Lakes, Wild Horse Valley Ranch (Lair). Mount George 7.5' Quad. Comment
  CAS-BOT-BC130072  Fritillaria affinis E. Crum 1936-3-15 1740 Napa [Butte's] Butts Canyon, Pope Valley-Middletown Road Comment
  CAS-BOT-BC130079  Fritillaria affinis Carl B. Wolf 1928-5-3 1836 Napa Base of Mt. St. Helena Comment
  POM224396  Fritillaria affinis Ethel Crum 1936-3-15 1740 Napa Butts Canyon, Pope Valley - Middletown Road Comment
  JEPS61901  Fritillaria affinis Willis L. Jepson 1893-5-5 14823 Napa Mount St. Helena, Middletown Grade Mount St. Helena; , Middletown Grade Comment
  JEPS113965  Fritillaria pluriflora Jake Ruygt 1996-2-24 3517 Napa NE of Big Basin about 3/4 mile. Jericho Valley 7.5' Quad. Comment
  RSA195366  Fritillaria recurva Gilbert Muth 1967-4-9 599 Napa Aetna Springs Road Comment
  UCD139675  Fritillaria recurva Beecher Crampton 1961-4-6 5855 Napa north end of Capell Valley, above Capell Creek, along State Hwy 128. Comment
  UCD37515  Fritillaria recurva Beecher Crampton 1961-4-6 5855 Napa north end of Capell Valley, above Capell Creek. Comment
  UCD160741  Galium andrewsii Ellen Dean 2015-5-23 8793 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. 240 Comment
  UCD18032  Galium andrewsii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 581 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. West-facing slope up by air quality station. 548 Comment
  SEINET7073048  Galium aparine 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
  UCSB9839  Galium aparine Keator, Glenn 1959-3-28 Napa About 1.5 miles S from Conn's Picnic Area in Lake henessy Area Comment
  RSA92821  Galium aparine var. echinospermum Peter H. Raven 1950-5-6 2013 Napa Above place where the W branch of the Napa River meets Rte 29 ca. 1 mile N of Calistoga. 91 Comment
  UCD160726  Galium bolanderi Ellen Dean 2015-5-23 8778 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
  RSA26400  Galium bolanderi J. T. Howell 1941-6-21 16312 Napa Hills SW of St. Helena. Comment
  UC102475  Galium californicum subsp. californicum Brandegee Aug. 1888 Napa Howell Mountain Comment
  UC1196116  Galium californicum subsp. californicum Joseph P. Tracy 1933-6-2 12456 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
  UCD95907  Galium californicum subsp. californicum Ellen Dean; with Clare Loughran 2011-5-20 7048 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  CDA10895  Galium murale G. F. Hrusa, M. Rejmanek 1993-5-15 10990 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD148824  Galium porrigens Ellen Dean; Diana Hickson 2014-4-29 8129 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD56162  Galium porrigens var. tenue L. Wynholds; S. Du Plessis, B. Erickson, C. Malleck 2001-4-14 14 Napa southwestern end of Lake Barryessa, Quail Ridge Reserve, along North Decker Canyon Rd., 20-30 feet south of the stream. 161 Comment
  UCD121909  Galium porrigens var. tenue Barbara Ertter; Annetta Carter 1989-5-28 8499 Napa Berryessa-Knoxville Road N of Lake Berryessa, 9.0 mi S of Knoxville tunnel. 243 Comment
  UCD164731  Galium triflorum Jake Ruygt 2014-6-9 6000 Napa Livermore Ranch, Van Ness Canyon. 502 Comment
  CAS-BOT-BC199055  Garrya congdonii John Thomas Howell 1939-5-7 14652 Napa On Lower Lake-Knoxville Road at Lake Co. line. Comment
  SEINET8730403 Image available Garrya congdonii C. R. Bell 1952-1 1245 Napa To north of road 5.8 miles east of Pope Valley-Monticello road junction. 5 Comment
  CAS-BOT-BC144382  Garrya fremontii H. E. McMinn 1923-5-25 961 b Napa Summit Wooden Valley Grade. Road to Napa. Comment
  JEPS66741  Garrya fremontii W. L. Jepson 1913-4-15 5316 Napa Howell Mt. 609 Comment
  UC876025  Garrya fremontii Mrs. C. E. Miller Aug 1918 Napa Howell Mt. Comment
  CDA38570  Garrya fremontii H. Stabo 1959-9-1 s.n. Napa E. St. Helena hills. 0 Comment
  UCD82603  Gastridium phleoides Ellen Dean; T. Starbuck 2009-5-4 5541 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  CDA5309  Gaura lindheimeri E. P. Delfino 1953-6-1 Napa Yountville. 0 Comment
  CAS-BOT-BC208043  Genista monspessulana Ira L. Wiggins 1928-3-25 2883 Napa Roadside 1 1/2 mi. N.E. of Calistoga [Calostoga] Comment
  JEPS64794  Genista monspessulana W. L. Jepson 1923-6-3 9972 Napa a little S of Calistoga (east-side road) Comment
  JEPS61469  Geranium dissectum H. P. Chandler 1907-5-14 7577 Napa St. Helena, White Sulphur Spring White Sulphur Spring; St. Helena, White Sulphur Spring Comment
  UCD49064  Geranium dissectum Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 2 A Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, E side of South Decker Canyon Rd., N of jct with Cut-Off Rd., along open grassy slope. 152 Comment
  JEPS106707  Geranium molle Jake Ruygt 1994-3-15 3413 Napa Chiles Valley Raod about 1 mile from Chiles Valley 335 Comment
  JEPS106708  Geranium molle Jake Ruygt 1986-3-22 1666 Napa Vaca Mountains, east of Markley Cove Resort 304 Comment
  UCD49067  Geranium molle Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 2 B Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, E side of South Decker Canyon Rd., N of jct with Cut-Off Rd., along open grassy slope. 152 Comment
  UCR92541  Geranium molle A. C. Sanders 1996-6-1 18195 Napa Napa, SE edge of town at Skyline Park, E end of Imola Road East. 91 Comment
  RSA63719  Gilia capitata Verne Grant, Alva Grant 1947-5-11 7985 Napa ca. 8 miles NE of Vichy Springs on Monticello road, Mayacama Mountains. Comment
  UC52378  Gilia capitata subsp. capitata H. P. Chandler 1900-5-7 619 Napa Rutherford Comment
  UC1182818  Gilia capitata subsp. capitata A. R. Kruckeberg 1949-7-22 7702 Napa Comment
  UC914316  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-3 7965 Napa w slope Mt. St. Helena Comment
  CAS-BOT-BC257666  Gilia tricolor R. C. Wenk; E. S. Wenk 2006-4-30 434 Napa Robert Louis Stevenson State Park. Trail going east from Highway 29 parking lot for trail to Mt. St. Helena. 1/2 mile from parking lot on left side of trail Comment
  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
  JEPS110963  Gilia tricolor subsp. tricolor Jake Ruygt 1995-4-17 3425 Napa west end of Niebaum Lane, Rutherford (Coppola Estate) 100 Comment
  CAS-BOT-BC266495  Githopsis diffusa Gladys Smith 1966-4-23 s.n. Napa Bothe Napa Valley State Park Comment
  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
  JEPS11814  Githopsis specularioides Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  UCD85207  Glyceria striata Beecher Crampton 1953-7-14 1515 Napa N.E. slope of Mt. St. Helena, 5 miles south of Middletown. Comment
  UCD75826  Glycyrrhiza lepidota Jake Ruygt 1998-6-24 4060 Napa Goslin Creek, lower Goslin Canyon. 155 Comment
  CAS-BOT-BC304887  Grindelia hirsutula J. T. Howell 1932-10-8 s.n. Napa Napa river marshes Comment
  CAS-BOT-BC304909  Grindelia hirsutula Peter H. Raven 1951-8-21 3870 Napa Ridge s.e. of Mt. Veeder 716 Comment
  CAS-BOT-BC304910  Grindelia hirsutula John Thomas Howell 1930-7-13 5346 Napa Lower slopes of Mt. St. Helena Comment
  JEPS41878  Grindelia hirsutula W. L. Jepson 1894-7-19 Napa near Toll House; Mt. St. Helena Comment
  UC1177101  Grindelia hirsutula Peter H. Raven 1951-6-26 3098 Napa Imola to Napa Junction 24 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
  RSA122889  Guillenia flavescens B. O. Schreiber 1938-4-24 2500 Napa 0.5 mile NW of Knoxville. 610 Comment
  CAS-BOT-BC202652  Gyminda tonduzii James L. Reveal 1987-6-7 6394 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road, about 5.5 miles west-northwest of Vacaville Comment
  UCD85237  Hainardia cylindrica S. Galen Smith; J. Anderson 1957-6-7 2958 Napa Myrtle Hot Springs, 1.5 miles northwest of Calistoga. 121 Comment
  CAS-BOT-BC302218  Harmonia nutans Catherine Best 1984-4-16 915 Napa Atlas Peak Road, about 6 miles north of Monticello intersection Comment
  CAS-BOT-BC302222  Harmonia nutans John Thomas Howell 1930-7-13 5348 Napa Edge of the Crater Country Comment
  CAS-BOT-BC302229  Harmonia nutans R. F. Hoover 1941-4-27 4944 Napa Near Yountville Comment
  CAS-BOT-BC302233  Harmonia nutans Alice Eastwood 1923-5-9 11753 Napa Mt. St. Helena Comment
  CAS-BOT-BC302244  Harmonia nutans David D. Keck 1931-4-4 1088 Napa The Crater Country, 3 miles SE. from summit of Mt. St. Helena, northern Napa County 950 Comment
  UC1731339  Harmonia nutans Dean W. Taylor 1998-6-23 16695 Napa Swartz Canyon North Coast Ranges, Mayacamas Mountains (headwaters, s flanks of Twin Peaks, (ca. 5 air mi w <of> Aetna Springs) 716 Comment
  UC185684  Harmonia nutans Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  UC30653  Harmonia nutans Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  UC30654  Harmonia nutans Willis L. Jepson 1893-5-2 Napa New Pope Valley grade Napa River Basin (highest ridges) Comment
  UC913106  Harmonia nutans J. Clausen 1935-5-23 1072 Napa 6.5 mi ne St. Helena (near summit); Howell Mountain Comment
  JEPS122687  Hedypnois rhagadioloides Jake Ruygt 1984-3-28 1514 Napa West end of North Whitehall Lane. Quad: Rutherford. Comment
  UCR212284  Helianthella californica 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
  JEPS106683  Helianthella californica subsp. californica Jake Ruygt 1977-5-1 202 Napa east of east end of Westgate Dr., Napa 134 Comment
  JEPS106684  Helianthella californica subsp. californica Jake Ruygt 1989-4-22 2264 Napa 4.7 miles NE of Atlas Peak Rd. on Monticello Road 329 Comment
  UC1069443  Helianthella californica subsp. californica A. Lewis 1932-5-14 78 Napa along the roadside Napa Quadrangle Comment
  CAS-BOT-BC314719  Helianthella californica var. californica Paul F. Covel 1940-4-28 1703 Napa Grade near Sanatarium Comment
  CAS-BOT-BC314721  Helianthella californica var. californica J. Clausen 1935-5-23 1072 Napa Howell Mountain near summit 6.5 mi. N. of St. Helena Comment
  POM55343  Helianthella californica var. californica C. F. Baker 1903-4-20 2628 Napa Mt. St. Helena. Comment
  JEPS4455  Helianthus californicus W. L. Jepson 1893-9-24 13424 Napa Angwin's Meadows Howell Mountain, Angwin's Meadows Comment
  JEPS4457  Helianthus californicus Willis L. Jepson 1893-9-24 13424 Napa Angwin's Meadows Napa River Basin, Howell Mt., Angwin's Meadows Comment
  UCD132787  Helianthus exilis G. F. Hrusa 1993-10-3 11426 Napa 2.1 m. southwest along Knoxville-Devilhead Road from Knoxville-Berryessa Road. Comment
  JEPS106666  Helianthus gracilentus Jake Ruygt 1981-6-10 1050 Napa west of Mt. Vaca, down ridge 472 Comment
  JEPS115772  Heliotropium curassavicum Lowell Ahart 2009-10-12 16432 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  UC1925925  Hemizonia congesta Ethel Crum Oct 1930 916 Napa Pope Valley. Comment
  CAS-BOT-BC306150  Hemizonia congesta subsp. clevelandii Milo S. Baker 1933-9-9 7542 Napa Near Calistoga Geyser Comment
  JEPS12594  Hemizonia congesta subsp. clevelandii Willis L. Jepson 1893-9-25 Napa La Lomita Napa River Basin Comment
  UC897696  Hemizonia congesta subsp. clevelandii Alice Eastwood 1918-9-3 7962 Napa Calistoga Comment
  UC194237  Hemizonia congesta subsp. lutescens H. M. Hall 1916-8-6 10262 Napa 7 km s Napa Comment
  UC726257  Hemizonia congesta subsp. lutescens A. A. Heller 1941-9-22 16316 Napa near Napa junction Comment
  UC1223090  Hemizonia congesta subsp. luzulifolia Joseph P. Tracy 1950-8-12 19303 Napa Conn Valley Comment
  UCD18104  Hemizonia congesta subsp. luzulifolia K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 40 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  UC197527  Hemizonia congesta subsp. luzulifolia H. M. Hall 1915-8-12 10094 Napa near Napa Junction (La Eskina); Region of San Francisco Bay Comment
  CDA7810  Hemizonia parryi A. Delfino 1960-10-4 Napa Tamagni Dairy, Calistoga. 0 Comment
  RSA32838  Hemizonia parryi subsp. parryi A. A. Heller 1941-9-22 16318 Napa Just back of the hot springs at Calistoga. Comment
  SEINET3860178  Hemizonia parryi subsp. parryi D. D. Keck, J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi N. of center of town at the geysers.; 0 Comment
  CAS-BOT-BC388501  Herniaria hirsuta var. cinerea Peter H. Raven 1951-6-10 2911 Napa Crater Region e. of Mt. St. Helena 762 Comment
  JEPS33794  Hesperevax sparsiflora var. sparsiflora Willis L. Jepson 1893-4-24 Napa hills e St. Helena (to Conn Valley) Comment
  UC517967  Hesperevax sparsiflora var. sparsiflora John Thomas Howell 1931-4-19 6439 Napa Conn Valley Comment
  UCD47750  Hesperocyparis macnabiana J Waggoner; E. Anderson, L. Lina, A. Miles, and R. Wenk. 2000-4-22 14 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  OBI7234  Hesperocyparis sargentii Carl B. Wolf & E. R. Johnson, E. R. Johnson 1934-10-17 6196 Napa On Middletown-Calistoga rd, 300 ft S of Lake Co Line 457 Comment
  SFV12215  Hesperocyparis sargentii E. L. Smith 1967-5-7 Napa Butts Canyon Butts Creek, below small reservoir at upper (northwest) end of canyon where road from Pope Valley enters, Butts Canyon, 6.9 miles northwest of Pope Valley._x000B_Soil shallow cherts and serpentine. 213 Comment
  JEPS112581  Hesperolinon Jake Ruygt 1984-5-19 1558 Napa Cedar Roughs 633 Comment
Read comments
Jan 2 2011
  UC1736420  Hesperolinon Dean W. Taylor 1998-6-18 16669 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley 289 Comment
  UCD111676  Hesperolinon Christopher Mallek 2007-5-13 KX1- 6 Napa Knoxville. 593 Comment
  CAS-BOT-BC167422  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-20 4145 Napa Above Pope Creek ca. 0.5 mile from Walter Springs 152 Comment
  CAS-BOT-BC479715  Hesperolinon bicarpellatum Ann Howald 2003-5-23 2340 Napa Inner North Coast Ranges: Snell Valley Rd., c. 2.3 mi E of intrsection with Butts Canyon Rd. 190 Comment
  JEPS129091  Hesperolinon bicarpellatum Jake Ruygt 2016-4-26 6213 Napa Okin Ranch, Chilles Valley. Saint Helena 7.5' Quad. Comment
  POM138927  Hesperolinon bicarpellatum Katherine Brandegee 1911-6-29 s.n. Napa Butts Canyon near Aetna Springs. Comment
  UC1212341  Hesperolinon bicarpellatum J. P. Tracy 1899-7-6 382 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 426 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
  UC1212371  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-17 4076 Napa w side of valley 0.5 mi n junction of Pope Valley-Monticello road w/road to Rutherford; Inner North Coast Ranges, Chiles Valley 243 Comment
  UC1601243  Hesperolinon bicarpellatum Helen K. Sharsmith 1958-10-16 4621 Napa one half mile n Pope Valley (on road Butt's Creek); Inner North Coast Ranges 243 Comment
  UCD110484  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Canyon and Pope Valley on tributary of Pope Creek. 274 Comment
  UCD167348  Hesperolinon bicarpellatum Jake Ruygt 2003-6-7 4541 Napa Mt. George/ Foote Botanical Preserve on 'Tupper road'. 298 Comment
  UCD167349  Hesperolinon bicarpellatum Jake Ruygt 2007-5-19 5187 Napa Las Posadas State Forest, north east of Recreation Flat. 402 Comment
  CAS-BOT-BC176015  Hesperolinon californicum Peter H. Raven 1950-6-20 2369 Napa In the Napa Range between Conn Valley and Howell Mtn. Comment
  JEPS122879  Hesperolinon californicum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 625 Napa Pipeline road meadow site at McLaughlin Reserve. Comment
  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
  UC1212522  Hesperolinon californicum Helen K. Sharsmith 1951-10-21 4039 Napa w side near creek Chiles Valley (road from Rutherford to Pope Valley); Inner North Coast Ranges 228 Comment
  CAS-BOT-BC176059  Hesperolinon clevelandii Peter H. Raven 1951-6-10 2941 Napa Crater Region e. of Palisades 762 Comment
  UC1212326  Hesperolinon clevelandii Helen K. Sharsmith 1952-5-18 4082 Napa 0.5 mi n Aetna Springs (near Aetna Mine); 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
  UCD110503  Hesperolinon clevelandii Robert E. Preston 1988-4-10 588 Napa ca. 0.9 mi ESE of confluence of Jericho and Hunting Creeks. 365 Comment
  JEPS127860  Hesperolinon disjunctum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 626 Napa Pipeline road meadow site at McLaughlin Reserve Comment
  CAS-BOT-BC176236  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4119 Napa Above Knoxville Creek, 0.8 mile south of Knoxville, Monticello Lower Lake road 365 Comment
  OBI22870  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4149 Napa Inner North Coast Ranges. NE of Knoxville ca 2 mi on Knoxville-Lower lake rd 610 Comment
  SD51662  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4148 Napa Directly east of Knoxville. 395 Comment
  JEPS121561  Hesperolinon micranthum Adam C. Schneider with Dick O'Donnell 2013-5-26 198 Napa Along Chiles Valley Road. 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
  UCD110561  Hesperolinon micranthum Joseph P. Tracy 1933-6-2 12479 Napa Howell Mountain. On hills at head of Moore's Creek, 5 miles east of Angwin's. 396 Comment
  UC1601273  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4641 Napa slope above Soda Creek Canyon (near Hwy 128 four mi beyond junction of Hwy 37 Locality for HKS 4595); Inner North Coast Ranges, Cappell Valley 213 Comment
  JEPS127884  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-26 197 Napa Along Chiles 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
  JEPS123309  Hesperolinon sharsmithiae David Gowen 2009-6-18 1069 Napa Along pope canyon Road, north of Cedar Roughs, just east of where Pope Creek crosses from north to south of road. Comment
  JEPS112545  Hesperolinon spergulinum Jake Ruygt 1993-6-12 3283 Napa Lewelling Ranch, west of end Lewelling Lane. 185 Comment
  JEPS122802  Hesperolinon spergulinum Jake Ruygt 2000-6-10 4268 Napa Berryessa-Knoxville Road near Foley Creek. QUAD: Knoxville. Comment
  JEPS32290  Hesperolinon spergulinum W. L. Jepson 1893-6-26 14380 Napa Howell Mt. Comment
  UC1212397  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-19 4142 Napa ca 1 mi w Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 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
  CAS-BOT-BC310264  Heterotheca grandiflora Peter H. Raven 1953-10-4 6362 Napa Napa-Vallejo Road nr. Dutton's Ldg. turn-off 30 Comment
  JEPS20391  Heterotheca grandiflora W. L. Jepson 1934-10-19 16903 Napa flats by Napa River; St. Helena Comment
  JEPS129057  Heterotheca sessiliflora subsp. echioides Jake Ruygt 1987-7-27 2085 Napa Vaca Mountains, on ridge south of Monticello Dam. Monticello Dam 7.5' Quad. Comment
  RSA10679  Hieracium albiflorum C. B. Wolf 1928-5-3 1808 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD95933  Hieracium albiflorum Ellen Dean; with Clare Loughran 2011-5-20 7061 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
  UCD115136  Hirschfeldia incana Jack Major 1961-6-13 543 Napa Monticello Dam, State Highway 128. Comment
  POM26857  Hoita macrostachya Marcus E. Jones 1881-7-6 s.n. Napa St. Helena Comment
  RSA517453  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa Highway from Napa to Wooden Valley, north slopes of George Mt. 152 Comment
  JEPS122920  Holcus lanatus Jake Ruygt 1982-5-1 1304 Napa 0.3 mile north of Chimney Rock Golf Course on Silverado Trail. Quad: Yountville. Comment
  UC1925923  Holocarpha virgata Ethel Crum Oct 1930 914 Napa Pope Valley. Comment
  UCD38948  Holocarpha virgata Beecher Crampton 1961-9-19 5979 Napa 3 miles east of Moskowite Corner, State Hwy. 128. Comment
  UC419709  Holocarpha virgata subsp. virgata Mrs. H. P. Bracelin 1930-10-19 117 A Napa Pope Valley, near school Pope Valley Comment
  JEPS106641  Holozonia filipes Jake Ruygt 1982-6-21 1334 Napa Suscol plain 4 Comment
  UC89201  Holozonia filipes Brandegee 1888-8-1 Napa Howell Mountain Comment
  CAS-BOT-BC315790  Holozonia filipes Edward Lee Greene 1881-10-1 s.n. Napa Napa Valley, near Calistoga 90 Comment
  UCD85292  Hordeum brachyantherum Beecher Crampton 1953-6-2 1436 Napa 8 miles south of Middletown, small meadow along Highway 53. Comment
  UCD37944  Hordeum brachyantherum subsp. californicum Beecher Crampton 1962-5-16 6424 Napa 6.4 miles S of Pope Valley, western slope of Chiles Valley. Comment
  UCD120915  Hordeum marinum subsp. gussoneanum Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7336 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
  UCD18144  Hordeum marinum subsp. gussoneanum Jean Shepard; with PLB 102 class 2000-4-29 199 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CAS-BOT-BC284761  Hordeum murinum subsp. glaucum Peter H. Raven 1950-4-15 1704 A Napa Napa Comment
  UC650397  Hordeum murinum subsp. leporinum Ira L. Wiggins 1928-3-25 2881 Napa roadside 1 1/2 mi ne Calistoga Comment
  CAS-BOT-BC273492  Hordeum vulgare E. Ruckert 1960-4-29 127 Napa 300 yards southeast of house, 6495 Dry Creek Road 365 Comment
  UC12395  Horkelia californica subsp. dissita Willis L. Jepson Nov 26 1895-Nov 27 1896 Napa Howell Mtn., Sea Jota Plateau, Napa River Basin Comment
  UC127182  Hypericum anagalloides Harley P. Chandler Sep 7 1906-Sep 14 1906 7104 Napa Alta Loma Ranch 487 Comment
  UCR220100  Hypericum concinnum Ayzik Solomeshch 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  CAS-BOT-BC410805  Hypericum concinnum Belle Richardson Jackson 1930-6-8 s.n. Napa On the old Toll Road below Patten's Mt. St. Helena region Comment
  HSC103603  Hypericum concinnum Thomas W. Nelson, Jane Nelson 1985-5-26 7810 Napa Along Aetna Springs Rd., opposite entrance road to Aetna Mine at mile post 1.75. Comment
  OBI57142  Hypericum concinnum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24513 Napa Along Aetna Springs Road on east slope of Sugarloaf Mountain Comment
  UCD161291  Hypochaeris glabra Jake Ruygt 1978-5-13 304 Napa Suscol plain. (Coordinates estimated by label maker at UC Davis). 6 Comment
  UCD18095  Hypochaeris glabra Ellen Dean; with PLB 102 class 2000-4-29 751 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CAS-BOT-BC312894  Hypochaeris glabra Peter H. Raven 1952-6-28 4200 Napa Hennessey Lake 121 Comment
  UCD138704  Iris douglasiana Mary Lou Douglass 1976-4-24 26 Napa P.M. 14.26 on Highway 121. Comment
  CDA10865  Iris fernaldii G. F. Hrusa, M. Rejmanek 1993-5-15 10960 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CHSC58402  Iris fernaldii Karen Blom 1975-5-16 22 Napa 1 mile north of State Highway 121 on Knoxville Road. Comment
  HSC41168  Iris fernaldii Robert M. Specht 1976-5-15 457 Napa 0.3 mi. S of Napa-Lake Counties border on Hwy. 29 at Rattlesnake Spring Comment
  UCD138725  Iris fernaldii Heidi E. M. Dobson 1978-4-8 297 Napa East side of Mt. Veeder. Comment
  CDA10842  Iris macrosiphon G. F. Hrusa, G. L. Stebbins 1994-4-18 11779 A Napa North Coast Biodiversity Arena; Along Swartz Cyn. Rd. 1.5 m. W of Aetna Springs. 228 Comment
  JEPS17332  Iris macrosiphon W. L. Jepson 1900-3-10 516 Napa Howell Mt. Comment
  SEINET3876029  Iris macrosiphon L. Constance 1938-4-22 2132 Napa Above Dry Creek 2 miles West of Yountville, Miyakma Mountains, North Coast Ranges.; 0 457 Comment
  SEINET6193236 Image available Iris macrosiphon L. F. Robbins 1927-1 s.n. Napa Napa county Comment
  UC917173  Iris macrosiphon D. C. Finfrock 1950-4-2 11 Napa 2 mi from St. Helena (on Pope Valley Road) Comment
  UCD116959  Iris macrosiphon Jillian Howard; Plant Biology 102 Collectors 2012-4-29 1 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCD149715  Iris macrosiphon Stephen P. Rae; Ayzik Solomeshch 2007-3-14 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD160672  Iris macrosiphon Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8745 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  JEPS122771  Isatis tinctoria Jake Ruygt 2011-5-14 5785 Napa Chiles-Pope Valley Road near old barn. Quad: Chiles Valley. Comment
  UC1746157  Isoetes nuttallii Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2760 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UC1751075  Isoetes orcuttii Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2761 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UC484303  Juglans californica var. hindsii Carl B. Wolf 1930-11-3 1801 Napa above Wooden Valley; Napa Range, Munson Ranch 304 Comment
  UC484304  Juglans californica var. hindsii Carl B. Wolf 1930-11-3 1800 Napa above Wooden Valley; Napa Range, Munson Ranch 304 Comment
  CAS-BOT-BC102320  Juglans hindsii J. H. Thomas 1960-8-29 8839 B Napa About 1 mile north of Calistoga along highway number 53 Comment
  JEPS126037  Juncus balticus Jake Ruygt 1980-4-12 831 Napa Edgerley Island. Cuttings Wharf 7.5' Quad. Comment
  UCD18082  Juncus balticus Ellen Dean; with PLB 102 class 2000-4-22 637 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  JEPS126038  Juncus bolanderi Jake Ruygt 1992-8-31 3137 Napa Between Mitten Lake and Leoma Lakes, Wilde Horse Valley Ran. Mount George 7.5' Quad. Comment
  UCD166696  Juncus bolanderi Jake Ruygt 2010-6-21 5621 Napa north entrance to Azalea Springs Rd. 96 Comment
  JEPS122670  Juncus bufonius var. bufonius Jake Ruygt 1992-5-15 2961 Napa Meadow north of the Polo Field, Wild Horse Valley Ranch. Quad: Mt. George. Comment
  UCD147468  Juncus bufonius var. bufonius Ellen Dean; Diana Hickson 2014-4-29 8081 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UC14892  Juncus hemiendytus var. hemiendytus J. P. Tracy 1902-5-19 1555 1/2 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Head of Moores Creek 518 Comment
  JEPS126058  Juncus occidentalis Jake Ruygt 2006-6-3 5047 Napa Las Posadas State Forest north of Fire Station. Saint Helena 7.5' Quad. Comment
  JEPS67097  Juncus occidentalis Willis L. Jepson 1894-5-1 40 a Napa Upper Conn Valley Napa River Basin Comment
  JEPS126057  Juncus oxymeris Jake Ruygt 2010-6-26 5660 Napa Las Posadas State Forest, near public road. Saint Helena 7.5' Quad. Comment
  RSA368101  Juncus oxymeris Robert Gustafson, Don Reynolds 1983-6-7 2734 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. Comment
  UCD67899  Juncus xiphioides Hilary Jane Ernst 1981-5-24 69 Napa On Highway 128, 2.2 miles Southeast of Moskowite Corner. Comment
  UCD167059  Juniperus occidentalis Jake Ruygt 1998-6-24 4057 Napa Taylor Bluff, Blue Ridge. 743 Comment
  CAS-BOT-BC236774  Keckiella breviflora H. E. McMinn 1922-6-8 207 Napa Along Pope Creek Comment
  JEPS110685  Keckiella breviflora var. glabrisepala Jake Ruygt 1987-6-14 2049 Napa Pope Creek at inflow to Lake Berryessa 149 Comment
  CAS-BOT-BC235866  Keckiella corymbosa Peter H. Raven 1953-5-2 5400 Napa Summit of hill due e. of Yountville 304 Comment
  CAS-BOT-BC237848  Keckiella lemmonii John Thomas Howell 1929-8-4 4356 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  CAS-BOT-BC237851  Keckiella lemmonii Rimo Bacigalupi 1928-6-20 1873 Napa Howell Mt 10 miles west of St Helena Comment
  UC917155  Keckiella lemmonii H. Popenoe 1949-6-4 33 Napa 11.5 mi from Winters (on road to Monticello) Comment
  CHSC102284  Kickxia elatine Lowell Ahart 2009-10-12 16450 Napa Below the high water line of Lake Berryessa, along Capelll Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  SEINET10782609  Kickxia elatine Peter H. Raven 1952-5-29 Raven 4094 Napa Napa River 1 mi. N Napa. 61 Comment
  UCD37404  Koeleria macrantha Beecher Crampton 1960-5-17 5532 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  SD147586  Laburnum anagyroides Greg de Nevers, Susan Charnley 1987-6-19 8229 Napa Robert Louis Stevenson State Park, Mt. St. Helena. 750 Comment
  UCD18107  Lactuca saligna K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 43 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  CAS-BOT-BC26056  Lagophylla dichotoma subsp. minor David D. Keck 1933-5-29 2338 Napa bridge over Pope Creek, just south of Walters Spring Comment
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Mar 3 2018
  UCD118352  Lagophylla minor Reed Crane; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 387 Comment
  UCD69080  Lagophylla minor P. Rodriguez-Rojo 1997-5-31 s.n. Napa Lake Berryessa. Lower Chiles Valley Rd. UTM: 10SEN6261 155 Comment
  HSC81600  Lagophylla minor Thomas W. Nelson, Jane P. Nelson 1980-5-3 5157 Napa Junction of Butts Canyon Rd. and Snell Valley Rd. 197 Comment
  POM231108  Lagophylla minor Jens Clausen 1935-5-22 1069 Napa Ca. 1 miles E of Chiles Valley Store. Comment
  SBBG36845  Lagophylla minor D. D. Keck 1933-5-29 2338 Napa bridge over Pope Crk, just S of Walters Spring; ISOTYPE: L. dichotoma subsp. minor Comment
  SEINET879048 Image available Lagophylla minor D. D. Keck 1933-1 2338 Napa Bridge over Pope Creek, just south of Walters spring. Comment
  UC913121  Lagophylla minor David D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek just s Walters Spring; ; bridge over Pope Creek, S of Walters Spring, Napa Co. Comment
  CAS-BOT-BC341553  Lagophylla ramosissima Peter H. Raven 1951-6-26 3061 Napa Wooden Valley Grade 304 Comment
  UC89207  Lagophylla ramosissima Mrs. K. Curran 1888-8-1 Napa Howell Mountain 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
  CHSC10556  Lamium amplexicaule Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 304 Comment
  JEPS63235  Lamium amplexicaule W. L. Jepson 1910-3-28 4019 Napa sw of Calistoga (Rebecca Ranch grade) Comment
  JEPS63243  Lamium amplexicaule Mrs. Clara A. Hunt 1909-3-24 Napa St. Helena Comment
  RSA201210  Lamium purpureum Merrel Ackley 1959-4-4 s.n. Napa Garden weed near St. Helena Comment
  CAS-BOT-BC295370  Lasthenia californica R. C. Wenk; E. S. Wenk 2006-4-30 436 Napa Robert Louis Stevenson State Park. Trail going east from Highway 29 parking lot for trail to Mt. St. Helena. 1/2 mile from parking lot on left side of trail Comment
  CAS-BOT-BC338266  Lasthenia californica John Thomas Howell 1926-3-21 1741 Napa Near Palisade Mine, n. Napa Valley Comment
  RSA113971  Lasthenia californica Peter H. Raven 1957-5-5 10739 Napa Hot spring, Calistoga. Comment
  JEPS10012  Lasthenia californica subsp. californica Willis L. Jepson 1893-1 Napa Comment
  JEPS10375  Lasthenia californica subsp. californica W. L. Jepson 1915-4-23 6246 Napa Conn Valley Napa Range Comment
  UC166656  Lasthenia californica subsp. californica J. P. Tracy 1902-5-21 1574 Napa 3-4 mi e of Angwin's Head of Moore's Creek; Howell Mountain 457 Comment
  UC30413  Lasthenia californica subsp. californica W. L. Jepson 1893-4-26 Napa La Lomita Napa Valley Comment
  UCD15013  Lasthenia californica subsp. californica Kay Wilder 1977-4-24 23 Napa along Pope Canyon Road, 15.6 miles N of Knoxville junction. 384 Comment
  RSA202278  Lasthenia conjugens Robert Ornduff 1960-4-26 R. O. 6116 Napa East side of Silverado Trail, 0.9 mile north of Soda Canyon Road. Comment
  UC1363760  Lasthenia conjugens Robert Ornduff 1960-4-26 6116 Napa 0.9 mi n of Soda Canyon Rd.; Silverado Trail Comment
  JEPS106685  Lasthenia glaberrima Jake Ruygt 1992-4-29 2917 Napa meadow north of the polo fields at Wild Horse Valley Ran 472 Comment
  UCD159788  Lasthenia gracilis James A. Neilson Jr. 1975-4-13 3164 Napa Soda Canyon Road, near crest. 457 Comment
  UCD106196  Lathyrus aphaca Mrs. Alice Ackley 1963-6-1 s.n. Napa Tubbs Lane near Calistoga. Comment
  JEPS107272  Lathyrus hirsutus Jake Ruygt 1994-6-4 3395 Napa Lewelling Ranch, Sulphur Springs Road; road to upper meadow 182 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
  UCD168534  Lathyrus hirsutus Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD168544  Lathyrus vestitus Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD35857  Lathyrus vestitus Beecher Crampton 1965-5-13 7330 Napa 11 miles E of Rutherford, State Hwy. 128. Comment
  UC2029553  Lathyrus vestitus var. vestitus Richard R. Halse 2013-3-27 8752 Napa Along State Highway 128, ca. 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa Comment
  UC650499  Lathyrus vestitus var. vestitus Ira L. Wiggins 1928-3-25 2884 Napa 1.5 mi ne Calistoga Comment
  UCD48942  Lathyrus vestitus var. vestitus S. Colby; L. Hanson, D. Bosworth, K. Sesser, G. Belley 2001-4-14 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 200 m up Cut-Off Rd. from South Decker Canyon Rd. 213 Comment
  UC1073276  Lathyrus vestitus var. vestitus George B. Rossbach 1955-2-19 328 Napa se slope Mt. St. Helena (nw Napa County) 1158 Comment
  UCD75717  Lathyrus vestitus var. vestitus Jake Ruygt 1986-4-14 1698 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road. 457 Comment
  UCD167992  Layia James A. Neilson Jr. 1977-4-13 3870 a Napa Oat Hill Mine Rd., 1/2 mile east Maple Springs. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC323199  Layia chrysanthemoides Clara A. Hunt 1921-4-1 s.n. Napa St. Helena Comment
  JEPS39186  Layia chrysanthemoides Elsie Kraeger 1926-3-27 Napa meadow near Soscol Comment
  POM53342  Layia chrysanthemoides C. F. Baker 1903-4-19 1098 Napa Calistoga. Comment
  UCD133952  Layia chrysanthemoides R. L. Smith 1948-5-7 s.n. Napa Samuel Springs. Comment
  CAS-BOT-BC534371  Lemna minor Peter H. Raven 1951-6-24 3029 Napa Carneros Creek at Highway 27, near Sonoma County line 243 Comment
  CAS-BOT-BC534949  Lemna minuta Peter H. Raven 1953-4-2 5291 Napa Tulucay Creek 243 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
  JEPS110792  Lepechinia calycina Jake Ruygt 1992-5-15 2968 Napa Wild Horse Valley Ranch, west of road north of polo field 499 Comment
  UC856367  Lepidium dictyotum var. acutidens Milo S. Baker 1936-4 7571 Napa Calistoga Geysers Comment
  CAS-BOT-BC89172  Lepidium draba Peter H. Raven 1952-5-29 4091 Napa Napa River 1 mile north of Napa. 60 Comment
  UCD50232  Lepidium draba S. Nichol 2004-4-1 s.n. Napa east of intersections 121 and 128. Comment
  UCD20724  Lepidium latifolium Mark Bibbo; w/ Laura Wynholds 2002-7-20 65 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  UCR25317  Lepidium nitidum John C. Roos 1939-3-18 s.n. Napa North Coast Range, Snell Valley, [near] Pacific Union College, Angwin 183 Comment
  CAS-BOT-BC12513  Lepidium nitidum John Thomas Howell 1926-3-20 1687 Napa Napa Valley. Calistoga. Comment
  CAS-BOT-BC12927  Lepidium strictum Peter H. Raven 1950-4-15 1703 Napa Napa. 9 Comment
  UCD13153  Leptosiphon androsaceus Kathleen Worden 1981-5-24 13 Napa Napa CO. Sage Canyon Rd. 1.2 miles east of intersection with Silverado Trail. 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
  RSA107020  Leptosiphon androsaceus R. C. Barneby 1954-4-30 11233 Napa Conn Valley. near the slipway. 300 [ft? m?] Comment
  UCD49214  Leptosiphon bicolor E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 5 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. ca. 0.45 miles (2,400 ft.) as the crow flies NW from the jct of West Rd. and South Decker Canyon Rd. 249 Comment
  CAS-BOT-BC226691  Leptosiphon jepsonii Elsa Ruckert 1960-5-28 164 Napa 6495 Dry Creek Road, above pond, 500 yards south-west of house 365 Comment
  UCD160642  Leptosiphon parviflorus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8731 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  UCD48067  Leptosiphon parviflorus K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 13 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., top of hill, north-facing slope. 533 Comment
  UCD82604  Leptosiphon parviflorus Ellen Dean; T. Starbuck 2009-5-4 5542 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCD167236  Leptosiphon parviflorus Jake Ruygt 1986-4-29 1714 Napa 0.4 mile east of Flosden Road on American Canyon Road. 60 Comment
  CAS-BOT-BC324163  Lessingia hololeuca Edward Lee Greene 1881-10-1 s.n. Napa Napa Valley Comment
  JEPS20606  Lessingia hololeuca John Thomas Howell 1926-10-3 2210 Napa about 4 mi n of Calistoga Comment
  UC1283740  Lessingia hololeuca Beecher Crampton 1964-8-18 7153 Napa Tubbs Lane 2 mi n Calistoga (ditch along road) Comment
  JEPS106627  Lessingia ramulosa Jake Ruygt 1989-11-12 2420 Napa Wooden Valley, 1/4 mile north of elementary school 216 Comment
  JEPS106628  Lessingia ramulosa Jake Ruygt 1979-6-9 690 Napa 21.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 487 Comment
  SBBG117234  Lessingia ramulosa B. Crampton 1961-8-14 5968 Napa N end of Capell Valley, along St Hwy 128, above Capell Crk Comment
  SD8921  Lessingia ramulosa Daniel Cleveland 1882-10-6 Napa Aetna Springs Comment
  UC1069829  Lessingia ramulosa B. Schreiber 1936-9-20 2351 Napa 5 mi s Reiff; Reiff Quad. Comment
  UCD161608  Lessingia ramulosa Jake Ruygt 1999-7-10 4201 Napa Spring Mountain Road at York Creek, reservoir, across road. 195 Comment
  UCR141013  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa Inner North Coast Ranges, northern end of Capell Valley, along Calif. Hwy 128, above Capell Creek 213 Comment
  UCD48078  Lewisia rediviva D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa, and K. Watts 2000-4-28 8 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., ca. top of hill, south of path. 548 Comment
  UC1103518  Lilaea scilloides J. P. Tracy 1903-5-16 1850 Napa near Calistoga; San Francisco Bay Region 91 Comment
  CAS-BOT-BC132957  Lilium rubescens Mr. Merle Ackley; Mrs. Merle Ackley 1957-6-14 s.n. Napa Howell Mt. Comment
  HSC45342  Limnanthes douglasii R. York 1978-4-8 117 Napa Pope Valley, Lake Springs Ranch 305 Comment
  JEPS112543  Limnanthes douglasii subsp. douglasii Jake Ruygt 1996-3-30 3547 Napa Napa Valley Horseman's Association, Foster Road, Napa 6 Comment
  JEPS112544  Limnanthes douglasii subsp. douglasii Jake Ruygt 1978-3-31 250 Napa east of HWY 29 on Suscol Hill 4 Comment
  CDA43225  Limnanthes douglasii subsp. nivea Richard R. Halse 2013-3-27 8757 Napa Along the Chiles and Pope Valley Road ca. 4.7 miles northwest of it junction with Lower Chiles Valley Road. Comment
  JEPS122739  Limnanthes douglasii subsp. nivea Jake Ruygt 2011-5-7 5779 Napa Mill Valley near Angwin; central portion. Quad: St. Helena. Comment
  UCD116516  Limnanthes douglasii subsp. nivea W. L. Jepson 1921-5-6 9175 Napa Calistoga. Comment
  UCD116445  Limnanthes douglasii var. nivea H. Popenoe 1949-4-17 8 Napa 17 miles from Winters, Putah Canyon Road, at entrance to Monticello Valley. Comment
  JEPS112562  Limnanthes floccosa subsp. floccosa Jake Ruygt 1993-4-3 3180 Napa Little Bear Valley 676 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
  CDA11597  Linanthus androsaceus G. F. Hrusa, S. Larson 1995-4-1 12054 Napa North Coast Biodiversity Arena; along Chiles-Pope Valley Rd., approx. 2 m. above Lake Hennessey. Comment
  SEINET5732163 Image available Linanthus bicolor Jill Bockus 1974-1 5 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon Road and Chiles Valley Road intersection. Comment
  UCD15265  Linanthus bicolor Patsy Barry 1984-5-12 16 Napa serpentine outcrop on Hwy 128 near Moscowite corners: 304 Comment
  JEPS110965  Linanthus bolanderi Jake Ruygt 1985-4-27 1586 Napa Diamond Flat near Putah Creek 198 Comment
  JEPS110978  Linanthus ciliatus Jake Ruygt 1980-5-13 888 Napa Mt. St. John, Campbell Flat 316 Comment
  JEPS58393  Linanthus dichotomus Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. Comment
  UC1198536  Linanthus dichotomus J. P. Tracy 1902-5-21 1573 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  UC907816  Linanthus dichotomus Herbert L. Mason 1933-4-30 7230 Napa near Aetna Springs Comment
  CAS-BOT-BC123069  Linanthus dichotomus subsp. meridianus John Thomas Howell 1940-5-19 15459 Napa Upper St. Helena Creek. Comment
  RSA183447  Linanthus dichotomus subsp. meridianus Carl A. Huether Jr. 1965-3-4 50 Napa Ca. 1/4 mile east of mail boxes on road to M & M Ranch, middle Snell Valley Comment
  CDA11593  Linanthus parviflorus G. F. Hrusa, S. Larson 1995-4-1 12059 Napa North Coast Biodiversity Arena; approx. 1 m. below bridge over Pope Creek, on Pope Canyon Rd. Comment
  UC1198576  Linanthus parviflorus Joseph P. Tracy 1933-4-30 12092 Napa 3-4 mi e Angwin's (on hills at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 396 Comment
  UC908780  Linanthus parviflorus Herbert L. Mason 1933-4-30 7221 Napa n of Aetna Springs (near Napa-Lake County line) Comment
  JEPS85050  Linanthus parviflorus Larry Heckard and Mary Ashton 1969-5-3 2214 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd, above and w of the n meadow) 510 Comment
  UC188469  Linanthus parviflorus C. F. Sonne Apr 1896 Napa Napa Valley Comment
  JEPS110999  Linanthus pygmaeus subsp. continentalis Jake Ruygt 1996-4-12 3603 Napa Blue Ridge, north of Monticello Dam. 621 Comment
  JEPS122715  Linum bienne Jake Ruygt 1987-4-20 1953 Napa South of Conn Dam near summit of ridge. Quad: Yountville. Comment
  CHSC4451  Lithocarpus densiflorus J. Potter 1967-6-26 312 Napa On Forest Service road to top of Mt. St. Helena, 1/4 mi. up from its beginning on State Hwy 29. 914 Comment
  UCD102707  Lithophragma affine L. P. Thibault 1995-5-21 47 Napa Napa County, South side of Hwy 128 about 3 mi. west of Wragg Canyon Rd. 250 Comment
  JEPS48657  Lithophragma affine Elsa Kraeger 1926-3-28 Napa 1/2 mi below Mt. St. Helena Inn (roadside); below Mt. St. Helena Inn Comment
  CAS-BOT-BC430977  Lithophragma bolanderi Mrs. Clara Hunt 1921-4-21 s.n. Napa St. Helena Comment
  JEPS110627  Lithophragma heterophyllum Jake Ruygt 1977-4-7 177 Napa 2.8 miles NW of Mt. Veeder Rd. on Redwood Rd. 243 Comment
  UC1196487  Lithophragma heterophyllum J. P. Tracy 1902-5-15 1470 Napa 3-4 mi e of Angwin's head of Moore's Creek; Howell Mountain, head of Moore's Creek 396 Comment
  UCD102717  Lithophragma heterophyllum Collector unknown 1931-4-19 s.n. Napa Calistoga. Comment
  UCD49254  Lithophragma parviflorum var. parviflorum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 25 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
  UCD159923  Logfia filaginoides Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon.E section. 243 Comment
  UCD18093  Logfia filaginoides Ellen Dean; with PLB 102 class 2000-4-29 649 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD21542  Logfia filaginoides B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 8 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of) intersection with Knoxville-Berryessa Road. 487 Comment
  JEPS20927  Logfia gallica W. L. Jepson 1923-4-29 9886 Napa St. Helena Comment
  JEPS84597  Logfia gallica John W. Willoughby 1977-4-20 2146 Napa w side of range The Vaca Mountains (lattitude approximately that of Mount Vaca) 457 Comment
  UC165833  Logfia gallica J. P. Tracy 1902-5-17 1519 Napa 3-4 m e of Angwin' (head of Moore's Creek); Howell Mountain,Moore's Creek 365 Comment
  UC527950  Logfia gallica R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6657 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  CDA38343  Lomatium californicum B. E. Eaton 1972-4-5 s.n. Napa Calistoga. 0 Comment
  RSA10651  Lomatium californicum C. B. Wolf 1928-5-3 1838 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  UCSB4595  Lomatium californicum Keator, Glenn 1959-3-28 Napa About 1 1/2 miles below Conn's picnic Area, Napa range Comment
  NY406043  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
  UC1010363  Lomatium dasycarpum subsp. tomentosum Milo S. Baker 1932-5-8 5884 Napa Pope Creek ca. seven mi. from Monticello; Pope Creek Comment
  UCD161342  Lomatium macrocarpum Jake Ruygt 1985-5-25 1604 Napa Napa County : American Canyon, 0.4 mile east of Flosden Road. (Coordinates estimated by label maker at UC Davis). 91 Comment
  POM132573  Lomatium marginatum C. F. Baker 1903-5-8 2971 Napa Knoxville. Comment
  SD58378  Lomatium marginatum W. L. Jepson 1915-4-23 6266 Napa Chiles Creek hills 274 Comment
  JEPS104568  Lomatium marginatum var. purpureum Jake Ruygt 1998-5-2 3953 Napa Jerd Creek 329 Comment
  UC647527  Lomatium marginatum var. purpureum Joseph P. Tracy 1938-6-5 15832 Napa 5 mi. e. Angwin's (on hills at head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 396 Comment
  JEPS104552  Lomatium repostum Jake Ruygt 1989-5-13 2324 Napa Vaca Mtns. about 1 mile north of Mt.Vaca 798 Comment
  UC735134  Lomatium repostum Lincoln Constance, J. F. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 3048 Napa s. slope Mt. Saint Helena (near the old inn) Comment
  UC735135  Lomatium repostum Lincoln Constance, J. F. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 3048 Napa s. slope Mt. Saint Helena (near the old inn) Comment
  UCD160296  Lomatium repostum James A. Neilson Jr. 1975-5-17 3193 Napa Robert Louis Stevenson State Park, 2/3 of the way along road to summit of Mt. St. Helena. (Exact location unknown. Elevation and coordinates estimated by label maker.) 1165 Comment
  JEPS104473  Lomatium utriculatum Jake Ruygt 1994-3-26 3337 Napa .4 mile south of Wooden Valley Cross Rd on Suisun Valley Road 85 Comment
  JEPS104474  Lomatium utriculatum Jake Ruygt 1986-3-6 1632 Napa .4 miles east of Flosden Rd. on American Canyon Rd. 103 Comment
  JEPS104475  Lomatium utriculatum Jake Ruygt 1979-4-23 545 Napa 3.4 miles east of Silverado Trail on HWY 128 103 Comment
  UCD149670  Lomatium utriculatum 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
  UCD170217  Lomatium utriculatum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 740 Napa West side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 371 Comment
  SBBG5222  Lomatium utriculatum H. and M. Dearing 1939-5-3 3272 Napa Child's Valley, near St Helena Comment
  UCD14926  Lomatium utriculatum Craig Homan 1977-4-8 3 Napa 12 miles southwest of the town of Winters along Highway 128. Comment
  RSA17889  Lomatium vaginatum C. B. Wolf 1928-2-25 1482 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UCD23430  Lotus humistratus Fumi Takeda 1977-4-16 24 Napa Yellow petals, stems branching from base, tap root slender. Foothill woodland, open meadow adjacent to Hwy 128. 6.4 miles southwest from Monticello Dam. 182 Comment
  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
  JEPS107206  Lotus purshianus var. purshianus Jake Ruygt 1992-5-15 2960 Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  RSA568530  Lotus unifoliolatus T. Gertrude Williamson 1924-7-4 s.n. Napa Saint Helena, White Sulphur Springs. Comment
  JEPS107200  Lotus wrangelianus Jake Ruygt 1986-3-22 1663 Napa Vaca Mountains east of Markley Cove 231 Comment
  RSA735365  Lupinus Keith E. Hoffmaster 1946-3-23 1094 Napa Napa range, along Napa-Monticello road Comment
  UC402911  Lupinus albifrons Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George; nw flanks of Mt. George Comment
  UCD105893  Lupinus albifrons Rimo Bacigalupi; L. Heckard, P. C. Silva 1962-4-16 8446 Napa 8.6 miles north of Vichy Springs junction (on Calif. 37), along Atlas Peak road; 1800 ft. Comment
  UCD47998  Lupinus albifrons Ryan Knox; E. McDermott, and G. Walden 2002-4-13 12 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 Comment
  CAS-BOT-BC201555  Lupinus albifrons var. albifrons Mrs. H. P. Bracelin 1930-3-29 s.n. Napa N.W. flanks of Mt. George Comment
  CAS-BOT-BC196282  Lupinus albifrons var. eminens John Thomas Howell 1931-4-3 6125 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  HSC58983  Lupinus bicolor G. E. Johnston 1974-4-4 1019 Napa Near Bell Canyon, close to the town of Angwin 427 Comment
  JEPS107221  Lupinus bicolor Jake Ruygt 1996-4-24 3622 Napa Garfield Lane, Napa. 17 Comment
  JEPS107234  Lupinus bicolor Jake Ruygt 1995-5-1 3460 Napa Silverado Trail at Souza Lane, Napa. 12 Comment
  JEPS64988  Lupinus bicolor Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  UC82070  Lupinus bicolor C. F. Baker 1903-4-19 1982 Napa Calistoga Comment
  UCD47996  Lupinus bicolor B. Takahashi; S. Burgess, A. Hufton, J. Pierner, A. Ryan 2000-4-29 4 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
  UCD48964  Lupinus bicolor M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 1 Napa Quail Ridge UC Reserve, northern top of ridge, alongside lower road leading to power lines, just N of intersection with East and West roads. 335 Comment
  RSA15124  Lupinus densiflorus var. densiflorus J. T. Howell 1935-5-12 12625 Napa Along Pope Creek near its confluence with Putah Creek. Comment
  UC196167  Lupinus formosus C. F. Sonne April 1888 Napa field near Napa Junction Comment
  RSA79064  Lupinus formosus var. formosus E. K. Balls, Lee W. Lenz 1952-5-8 17105 Napa 2.8 miles west from Calistoga, road to Santa Rosa via Petrified Forest. 91 Comment
  UCSC000394  Lupinus latifolius C. F. Sonne 1895-4-15 s.n. Napa Napa Soda Springs Comment
  JEPS65276  Lupinus latifolius var. latifolius Willis L. Jepson 1892-6-20 52 t Napa Vaca Mts. Comment
  JEPS107219  Lupinus microcarpus var. densiflorus Jake Ruygt 1986-4-20 1715 Napa HWY 29 north of Oakville 42 Comment
  OBI48332  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jctn Hwy 29 in Rutherford, 3.6 mi W jct Lower Chiles Valley Rd Comment
  SFV1878  Lupinus microcarpus var. densiflorus L. B. Hendrix 1962-5-5 39 Napa North Coast Ranges Vaca Mountains. Southeast side of Lake Berryessa, just west of Monticello Dam on road along lake. 140 Comment
  UCD108720  Lupinus microcarpus var. densiflorus Ethel H. Hyde 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  JEPS107216  Lupinus microcarpus var. microcarpus Jake Ruygt 1988-5-29 2195 Napa Cedar Valley 588 Comment
  JEPS107247  Lupinus nanus Jake Ruygt 1994-3-15 3315 Napa Chiles Canyon Road about 1 mile from Chiles Valley 350 Comment
  JEPS107248  Lupinus nanus Jake Ruygt 1981-4-1 965 a Napa Stags Leap 213 Comment
  SEINET11548759  Lupinus nanus Heather Schneider, Sharma, Manju 2015-1 621- 20150426 -1V Napa Quail Ridge Reserve; about 6 miles NE of Vacaville 226 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
  OBI17959  Lupinus nanus Lewis S. Rose 1964-4-2 64014 Napa St. Helena 76 Comment
  UC126969  Lupinus nanus Willis L. Jepson 1893-4-26 Napa St. Helena , St. Helena (Napa River Basin) Comment
  UC534990  Lupinus nanus Mrs. H. P. Bracelin 1932-4-17 234 Napa four mi s Yountville Comment
  UCD161618  Lupinus nanus Jake Ruygt 2004-4-17 4586 Napa Big Ranch Road about 1/4 mile south of El Centro Avenue, Napa. 16 Comment
  POM10655  Lupinus nanus subsp. latifolius C. F. Baker 1903-4-19 1990 Napa Calistoga. Comment
  SEINET11091434 Image available Lupinus nanus var. apricus Ilsa M. Schmelzinger 1971-5-1 15 Napa McDonald Ranch, 11.2 miiles north-west of junction of Highway 128 and Chiles Road Comment
  RSA672427  Lupinus sericatus Lyman Benson 1935-5-19 6656 Napa Mount St. Helena 915 Comment
  UCD148805  Lupinus succulentus Ellen Dean; Diana Hickson 2014-4-29 8112 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  SEINET11790127  Luzula comosa C. W. Sharsmith 1935-1 s.n. Napa no further locality Comment
  JEPS126044  Luzula comosa var. comosa Jake Ruygt 1992-3-18 2855 Napa Next to south lake, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  JEPS67202  Luzula macrantha W. L. Jepson 1936-7-2 17641 Napa Angwin Meadow Napa Range, Howell Mountain Comment
  CAS-BOT-BC441245  Luzula macrantha Peter H. Raven 1953-3-29 5220 Napa Hills east of Imola 121 Comment
  UC127158  Lythrum hyssopifolia Harley P. Chandler Sep 7 1906-Sep 14 1906 7100 Napa Howell Mountain, Alta Loma Ranch Alta Loma Ranch; Howell Mountain, Alta Loma Ranch 487 Comment
  RSA0011307  Lythrum hyssopifolia E. S. Spalding 1924-7-7 s.n. Napa Napa Valley near St. Helena. Comment
  UC33186  Madia anomala Willis L. Jepson 1894-5-1 Napa Hills e of St. Helena; Napa River Basin Comment
  JEPS122704  Madia citriodora Jake Ruygt 1998-5-2 3949 Napa Landucci Ranch, Pope Canyon. Quad: Walter Springs. Comment
  CAS-BOT-BC343835  Madia elegans John Thomas Howell 1929-10-26 4534 Napa 1 mile nw. of Calistoga Comment
  JEPS38334  Madia exigua W. L. Jepson 1936-5-29 17549 Napa Adam-and-Eve Ridge Howell Mt. Comment
  JEPS6135  Madia exigua W. L. Jepson 1897-6-2 Napa Napa Valley Comment
  CAS-BOT-BC343197  Madia gracilis Peter H. Raven 1952-5-31 4139 Napa Summit of hills sw. of Rector Canyon 304 Comment
  JEPS106549  Madia gracilis Jake Ruygt 1986-8-10 1898 Napa Recreation Flat, Los Posados State Forest 377 Comment
  JEPS129043  Madia gracilis Jake Ruygt 2016-6-5 6272 Napa Amy's Grove, near 5700 Dry Creek Road. Rutherford 7.5' Quad. Comment
  UCD13155  Madia gracilis Kathleen Worden 1981-5-24 10 Napa Highway 128, 2.2 miles southeast of Moskowitz Corner. Comment
  UCD161277  Madia gracilis Jake Ruygt 1990-6-2 2569 Napa Sulphur Canyon. (Coordinates estimated by label maker at UC Davis). 243 Comment
  CAS-BOT-BC343203  Madia gracilis H. M. Hall 1931-5-26 13091 Napa Napa Range, east slope near summit 335 Comment
  RSA52718  Madia gracilis subsp. gracilis I. L. Wiggins 1949-4-30 12072 Napa Along old toll road between Calistoga and Middletown, about 1.5 mi NE of Calistoga. Comment
  CAS-BOT-BC345043  Madia sativa Peter H. Raven 1951-8-19 3847 Napa Near Lokoya 487 Comment
  CAS-BOT-BC345053  Madia sativa H. E. Brown; A. A. Heller 1902-5-24 5683 Napa Napa Comment
  UC831138  Malacothrix floccifera Alice Eastwood and John Thomas Howell 1939-6-11 7423 Napa sw of Oakville; Mt. Hood Range Comment
  POM216233  Malacothrix floccifera D. D. Keck 1933-5-29 2368 Napa Pope Creek bridge south of Walters Springs. Comment
  UC194452  Malacothrix floccifera C. F. Sonne 1897-4-1 Napa Sulphur Springs St. Helena Comment
  UCD134379  Malacothrix floccifera M. Ensign 1943-5-28 327 Napa 26 miles from Monticellow on road to Lower Lake. Comment
  UCD167284  Malvella leprosa Jake Ruygt 1979-7-12 744 Napa Sheehy Creek west of Highway 29. 10 Comment
  RSA80536  Marah fabacea Roxana S. Ferris 1951-3-26 12419 Napa Oakville-Glen Ellen Road, about 2 miles from Oakville. Comment
  JEPS42483  Marah oregana Willis L. Jepson 1897-5-2 14129 Napa St. Helena Napa River Basin Comment
  UCD47913  Matricaria discoidea K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, K. Watts 2000-4-28 31 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, middle of Old Knoxville Rd. 426 Comment
  CHSC25141  Medicago polymorpha J. E. Beitler 1970-4-19 29 Napa St. Helena. Found ca. 25 yards W of York Creek bridge on York Lane 3 ft. in from N. side of the road. Comment
  CAS-BOT-BC269413  Melica californica Peter H. Raven 1952-5-31 4149 Napa W. of Rector Dam 274 Comment
  JEPS69300  Melica californica W. L. Jepson 1915-4-23 6248 Napa Conn Valley Comment
  UCD48192  Melica californica A. Van Houtte; E. Leger, C. Hohn 2001-4-14 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just west of Monticello Dam; North of Research Station, north of junction with South Decker Canyon Rd. 365 Comment
  UCD87008  Melica californica K. Esau 1938-5-1 s.n. Napa Napa County. Napa Valley. Comment
  UCD93078  Melica californica Catherine E. Koehler 2008-4-4 s.n. Napa McLaughlin Reserve. Blue Ridge, Knoxville Wildlife Area. 594 Comment
  SEINET5322427  Melica californica M. Mooney 1982-4-17 452 Napa Stebbins-Cold Canyon Nature Preserve, south of dam at Lake Berryessa 91 Comment
  CAS-BOT-BC282165  Melica geyeri L. R. Abrams 1928-5-3 12254 Napa Summit St Helena Grade Comment
  CDA11436  Melica geyeri G. F. Hrusa, M. Tu 1995-5-6 12159 Napa North Coast Biodiversity Arena; Shade of Quercus garryana at edge of redwood forest along Moores Creek in Las Posadas State Forest. Small colony, along steep slope approx 40 ft. above creek. Perennial. Comment
  JEPS122952  Melica geyeri Jake Ruygt 1986-5-10 1764 Napa Devil's Canyon. Quad: Mt. Sonoma. Comment
  UC771217  Melica geyeri W. S. Boyle 1942-4-25 1072 Napa 7 mi s Calistoga (along the Silverado Trail Road) Comment
  UC964731  Melica geyeri W. S. Boyle 1942-4-25 1072 Napa 7 mi s Calistoga (along Silverado Trail Road) Comment
  SEINET10599396  Melica geyeri William S. Boyle 1942-4-25 Boyle 1072 Napa Along the Silvarado Trail Road 7 miles south of Calistoga, Abundant in dry, open woods. Associated species: Arbutus menziesii, Pseudotuga taxifolia, Poa scabrella. Comment
  SEINET10599399  Melica geyeri LeRoy R. Abrams 1928-5-3 Abrams 12254 Napa Summit St. Helena Grade, Comment
  UCD66807  Melica spectabilis K. Esau 1935-5-5 s.n. Napa Near Petrified Forest, Calistoga. Comment
  CDA12102  Melica torreyana G. F. Hrusa 1989-4-24 5961 Napa North Coast Biodiversity Arena; W side of upper Chiles Valley. Comment
  JEPS75644  Melica torreyana W. L. Jepson 1936-5-31 17576 Napa La Jota; Napa Range, Howell Mt. Comment
  UC1103166  Melica torreyana Joseph P. Tracy 1933-6-2 12465 Napa 5 mi e St. Helena (Howell Mt Road); Northern Coast Ranges 304 Comment
  UCD149682  Melica torreyana Stephen P. Rae; Ayzik Solomeshch 2006-5-7 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
  UCD89194  Melica torreyana J. Street 1950-4-25 s.n. Napa 4 mi. E of Rutherford. Comment
  UCD89195  Melica torreyana J. Street 1950-4-25 s.n. Napa 4 mi. E of Rutherford. Comment
  SEINET10599685  Melica torreyana David D. Keck 1931-4-2 Keck 1034 Napa Wooden valley road, east side of Napa Range, 8 miles from Napa. Comment
  JEPS63287  Melissa officinalis W. L. Jepson 1934-10-19 16904 Napa Napa R. near St. Helena; San Francisco Bay vicinity, Napa R. Comment
  JEPS63441  Mentha spicata Willis L. Jepson August, 1892 14927 Napa Napa Valley Comment
  JEPS120372  Mentha suaveolens Jake Ruygt 1986-6-28 1852 Napa Near intersection of Chiles-Pope Valley. Road and Lower Chiles Valley Road. Capell Valley 7.5' Quad. Comment
  CAS-BOT-BC428856  Micranthes californica Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UCD102808  Micranthes californica D. H. Hartmann 1942-3-7 s.n. Napa in a canyon of Green Valley. Comment
  UCD164762  Micranthes californica Jake Ruygt 2014-4-7 5920 Napa Sutro Ranch, south end near Foss. 519 Comment
  UCD17973  Micropus amphibolus Ellen Dean; Kate Mawdsley 2001-4-9 692 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UCD82607  Micropus amphibolus Ellen Dean; T. Starbuck 2009-5-4 5545 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCD18097  Micropus californicus Ellen Dean; with PLB 102 class 2000-4-29 753 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CAS-BOT-BC348542  Micropus californicus var. californicus John H. Thomas 1955-5-21 5166 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  CAS-BOT-BC348549  Micropus californicus var. californicus Peter H. Raven 1950-4-15 1754 Napa Wooden Valley Grade, above Napa 457 Comment
  JEPS106895  Micropus californicus var. californicus Jake Ruygt 1996-5-13 3668 b Napa Wontrop Wildlife Santuary, Hardin Road, Pope Valley 216 Comment
  JEPS40625  Micropus californicus var. californicus W. L. Jepson 1893-4-26 14732 Napa La Lomita Hills Yountville, Napa River Basin Comment
  UC527951  Micropus californicus var. californicus R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6656 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  UCD47915  Micropus californicus var. californicus Michele Disney; J. Westbrook, S. Ratay, R. Wolfson, A. Houser,S. Wathen 2000-4-22 16 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  RSA695589  Micropus californicus var. californicus Keith E. Hoffmaster 1939-4-6 912 Napa Putah Canyon, Coast Range Comment
  UC1301043  Micropus californicus var. californicus Helen K. Sharsmith 1963-4-20 5347 Napa on Monticello Road San Francisco Bay Region, southwest slope of Napa Range 152 Comment
  JEPS106893  Microseris douglasii subsp. douglasii Jake Ruygt 1997-4-28 3837 Napa East of Highway 29, south of Kelley Road; American Canyon. Cuttings Wharf 7.5' Quad. 21 Comment
  JEPS106894  Microseris douglasii subsp. douglasii Jake Ruygt 1983-5-24 1462 Napa E ofintersection HWY 12 and 29, Stanley Ranch 0 Comment
  UC50033  Microseris douglasii subsp. douglasii Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin 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
  CAS-BOT-BC349101  Microseris douglasii subsp. tenella Marcus E. Jones 1924-4-24 s.n. Napa Napa Comment
  CAS-BOT-BC349184  Microseris elegans David D. Keck 1931-4-4 1093 Napa Geysers just NW. of Calistoga, northwestern Napa County Comment
  JEPS122679  Microseris laciniata subsp. laciniata Jake Ruygt 1982-6-1 1302 Napa 0.3 miles north of Chimney Rock Golf Course on Silverado Trail. Quad: Yountville. Comment
  JEPS101494  Mimulus angustatus Dean W. Taylor 1998-6-3 16453 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 624 Comment
  JEPS128902  Mimulus angustatus Jake Ruygt 1994-4-9 3345 Napa Los Posadas State Forest. Saint Helena 7.5' Quad. Comment
  UC1731236  Mimulus angustatus Dean W. Taylor 1998-6-23 16696 Napa ca. 5 air mi w Aetna Springs (headwaters Swartz Canyon; south flanks Twin Peaks); Mayacamas Mtns, NCoRO, Swartz Canyon, Twin Peaks 716 Comment
  UC1778559  Mimulus angustatus S. E. Schoenig 1998-6-5 98 -22 Napa 20 meters E of Ink Grade Rd., 0.5 miles NW of intersection with Howell Mtn Rd. 548 Comment
  UC26857  Mimulus angustatus Willis L. Jepson 1893-5-8 Napa Angwin's Meadow Napa River Basin, Howell Mt. Comment
  UC26855  Mimulus angustatus W. L. Jepson 1893-4-28 Napa plateau n Mt. George; Napa Range Comment
  JEPS110749  Mimulus aurantiacus Jake Ruygt 1976-6-10 114 Napa 1.1 mile ME of Westgate Dr. on Atlas Peak Rd. 182 Comment
  UCD18369  Mimulus aurantiacus R. Wenk 2000-5-14 6 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  HSC72431  Mimulus aurantiacus var. aurantiacus J. P. Smith, J. O. Sawyer 1970-5-17 3774 Napa 3 mi. S of Pope Valley 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
  UC1177879  Mimulus bolanderi Francia Chisaki 1957-5-30 970 Napa between Chiles Valley and Monticello; Soda Creek Comment
  UC125330  Mimulus congdonii unknown Napa Howell Mountain Comment
  JEPS128874  Mimulus douglasii Jake Ruygt 1999-5-15 4157 b Napa North side of Ritchey Canyon, near Bothe State Park. Calistoga 7.5' Quad. Comment
  OBI9446  Mimulus guttatus R. L. Hoover 1968-4-20 59 Napa NE of jctn of Aetna Springs, Pope Valley, and Butts Cyn Rds Comment
  HSC20744  Mimulus guttatus Greg Bos 1963-3-30 68 Napa 7 mi. S of Middletown on Butte Canyon Rd. 305 Comment
  UCD21582  Mimulus kelloggii K. Esau 1933-4-14 s.n. Napa Calistoga, near Petrified Forest. Comment
  UC1778558 Image available Mimulus layneae S. E. Schoenig 1998-6-5 98 -23 Napa 20 meters E of Ink Grade Rd., 0.5 miles NW of intersection with Howell Mtn Rd. 548 Comment
  UCD169782  Mimulus layneae Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 790 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 446 Comment
  POM311171  Mimulus layneae Milo S. Baker 1947-7-7 11849 Napa Along wood road leading southerly from Mt. St. Helena Inn ca 1.5 mi. 3000 ft at end of Rd. 915 Comment
  JEPS11439  Mimulus microphyllus W. L. Jepson 1921-5-6 9171 Napa Calistoga 109 Comment
  UC26985  Mimulus microphyllus W. L. Jepson 1893-4-26 Napa near La Lomita; Napa River Basin; Napa River Basin, near La Lomita Comment
  UCD118609  Mimulus microphyllus William Goss; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat. 391 Comment
  UCD122650  Mimulus microphyllus Alva Day 1965-5-15 65- 130 Napa Cedar Valley, west of Lake Berryessa. Comment
  JEPS110582  Mimulus nasutus Jake Ruygt 1982-4-25 1203 Napa Swartz Canyon 381 Comment
  JEPS11359  Mimulus nasutus Jepson 1893-5-1 13 m Napa near Calistoga; Upper Napa Valley Comment
  UC103809  Mimulus nasutus C. F. Baker 1903-4-20 2608 Napa Mt. St. Helena; ; Mt. St. Helena, Napa Co. Comment
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Jun 25 2013
  HSC81975  Mimulus nudatus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5154 Napa W side of Butts Canyon Rd. at junction with private road 244 Comment
  JEPS101493  Mimulus nudatus Dean W. Taylor 1998-5-20 16445 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  UCD163404  Mimulus nudatus D. Slakey; CNPS Volunteers 2015-4-25 118 Napa near Knoxville. Adjacent to parking lot for campground at west end of Hunting Creek Rd. 335 Comment
  RSA434680  Mimulus pilosus Albert J. Perkins 1924-7-15 s.n. Napa Napa Valley near St. Helena. Comment
  RSA434681  Mimulus pilosus E. S. Spalding 1929-7-4 s.n. Napa Near St. Helena. Comment
  JEPS28967  Mimulus pulsiferae Joseph P. Tracy 1950-5-23 18661 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain, La Jota Plateau 518 Comment
  JEPS79742  Mimulus pulsiferae John W. Willoughby 1979-5-25 4273 Napa ca. 2.4 mi n Mix Road (along w side of Ridge Road); Vaca Mountains, Pansy Flats 746 Comment
  UC1301217  Minuartia californica Helen K. Sharsmith 1963-3-17 5225 Napa Mt. Atlas San Francisco Bay Region (s side) 609 Comment
  UCD159789  Minuartia californica James A. Neilson Jr. 1975-4-13 3151 Napa Soda Canyon Road, near outlet of canyon. 60 Comment
  CAS-BOT-BC174565  Minuartia californica Peter H. Raven 1950-4-15 1753 Napa Wooden Valley Grade, above Napa 457 Comment
  UC572659  Minuartia californica Herbert B. Kaufner 1937-4-16 92 Napa 1 mi s Napa Comment
  CAS-BOT-BC388756  Minuartia douglasii Alice Eastwood 1918-5-1 6834 Napa Mt. St. Helena Comment
  JEPS106746  Minuartia douglasii Jake Ruygt 1979-5-24 631 Napa 1 mile east of Silverado Trail on HWY 128 67 Comment
  UCD148764  Minuartia douglasii Jake Ruygt 2007-5-17 5177 Napa Napa County; Duff Ranch, NW of Potato Hill. 777 Comment
  UCD125050  Monardella douglasii Jane Valerius 1998-6-22 s.n. Napa ca. 4 air miles northeast of Vallejo and ca. 1.5 miles west of Hwy 80, along banks and at top of unnamed south-trending tributary to American Canyon Creek. 60 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
  SEINET4173667 Image available Monardella villosa Jack Major 1961-6-13 545 Napa Monticello Dam, State Hwy 128 Comment
  CAS-BOT-BC220691  Monardella viridis John Thomas Howell 1930-7-13 5360 Napa On the edge of the Crater Country Comment
  UC761789  Monardella viridis R. F. Hoover 1941-8-24 5575 Napa e side Mt. St. Helena Comment
  UCD166669  Monardella viridis Jake Ruygt 1996-6-15 3746 Napa White Cliff Springs, above Soda Valley (Soda Spring). 384 Comment
  JEPS110828  Monardella viridis subsp. viridis Jake Ruygt 1979-7-3 733 Napa north of Mt. George on Wild Horse Ranch north access road 408 Comment
  UC195823  Monolopia major C. F. Sonne Apr 1888 Napa field near Napa Junction Comment
  JEPS77947  Montia fontana Edward Lee 1936-3-15 1814 Napa 10.7 mi out of Rutherford (Rutherford-Pope Valley Road) Comment
  UC7845  Montia fontana Willis L. Jepson 1893-4-26 Napa Napa River Basin, Rutherford Rutherford; Napa River Basin, Rutherford Comment
  JEPS43263  Montia fontana W. L. Jepson Apr. 1893 Napa Napa Valley Comment
  CAS-BOT-BC515121  Muilla maritima Alice Eastwood 1915-6-5 4630 Napa Calistoga Comment
  JEPS110883  Myosurus minimus Jake Ruygt 1982-3-26 1147 Napa Suscol plain east of Kaiser (Rocktram) 3 Comment
  JEPS126062  Najas guadalupensis Jake Ruygt 2010-8-14 5731 Napa Lake. Steele Canyon Resort. Lake Berryessa 7.5' Quad. Comment
  CAS-BOT-BC60337  Nasturtium officinale Doris K. Kildale 1928-5-8 5053 Napa 0.5 mile from Napa-Solano county line. On road to Vacaville. 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
  SEINET196212  Navarretia cotulifolia Herbert L. Mason 1934-4-30 8111 Napa Tributary of Putah Creek, Pope Valley Comment
  JEPS120321  Navarretia divaricata subsp. vividior Jake Ruygt 2007-5-17 5174 Napa Wildlake Ranch, near Potato Hill . Calistoga 7.5' Quad. Comment
  UC1228162  Navarretia heterandra Beecher Crampton 1960-6-29 5747 Napa 2 mi n Spanish Flat (w shore of Lake Berryessa); Lake Berryessa Comment
  UCD37484  Navarretia heterandra Beecher Crampton 1960-6-29 5747 Napa Napa County, 2 miles north of Spanish Flat, western shore of Lake Berryessa. Comment
  JEPS112537  Navarretia heterodoxa Jake Ruygt 1979-7-3 736 Napa 7.6 miles north of Monticello Rd. on Atlas Peak Rd. 426 Comment
  UC106835  Navarretia heterodoxa Katharine Brandegee 1889-1 Napa Howell Mountain Comment
  UC23627  Navarretia heterodoxa Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  SEINET14057637  Navarretia heterodoxa K. Brandegee 1910-7-27 139 Napa Angwin Comment
  UCD167177  Navarretia heterodoxa Jake Ruygt 1982-6-19 1329 Napa Soda Canyon west of grade. 396 Comment
  UCD160681  Navarretia intertexta Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8753 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 177 Comment
  UC908407  Navarretia intertexta Herbert L. Mason 1935-5-30 8329 Napa between Lower Lake and Knoxville mine (Napa-Lake counties) Comment
  UCD48416  Navarretia jepsonii Mrs. K. Brandegee 1910-7-26 148 Napa Near Aetna Springs, Napa County, in depression in clay soil. Comment
  UCD167185  Navarretia jepsonii Jake Ruygt 1996-5-31 3723 Napa South of James Circle road and Butts Canyon Road, Pope Valley. 204 Comment
  JEPS112558  Navarretia leucocephala subsp. pauciflora Jake Ruygt 1998-6-8 4016 Napa Mead Ranch, Atlas Peak Road. 487 Comment
  POM64976  Navarretia mellita Katherine Brandegee 1910-7-26 s.n. Napa Pope Valley Comment
  UCD167191  Navarretia mellita Jake Ruygt 1989-7-1 2395 Napa Vaca Mountains about 2 miles north of Mt. Vaca. 755 Comment
  UCD48586  Navarretia mellita Beecher Crampton 1965-6-30 7393 Napa summit of Mt. Vaca, Vaca Mountains. 872 Comment
  UCD48623  Navarretia pubescens Katherine Lahey 1981-5-24 102 Napa Napa Co. 2.2 mi S of junction State Hwy's 128 and 121 on Hwy 128 roadside. 243 Comment
  JEPS123176  Navarretia subuligera David Gowen with Leigh Johnson 2009-5-30 1037 Napa Robert Louis Stevenson State Park, south of Table Rock area. Comment
  UC908083  Navarretia tagetina Herbert L. Mason 1934-4-30 8110 Napa tributary of Putah Creek Pope Valley, Putah Creek Comment
  SEINET10873103  Nemacladus capillaris Baker 1947-7-7 Baker 11852 Napa At end of wood road leading south from Mount St. Helena Inn towards "The Crater" 914 Comment
  UCD149662  Nemacladus montanus Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  SEINET10461255  Nemacladus montanus Hoffman 1952-5-24 HOFFMAN s.n. Napa Sage Canyon road, 8.3 miles west of the junction of the Monticello, Sage Canyon and Winters roads Comment
  UCD126390  Nemacladus montanus Robert E. Preston 1987-6-20 569 Napa 3/4 mile north of Round Corral in Big Basin. 268 Comment
  SEINET3815165 Image available Nemacladus rigidus Herbert L. Mason 1935-5-30 10000 Napa Four miles N of Knoxville Mines Comment
  UCD49093  Nemophila heterophylla A. Van Houtte; E. Leger and C. Hohn 2001-4-14 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, W side of S. Decker Canyon Rd., in drainage NW and upslope of Decker Canyon stock pond. 152 Comment
  UCD49095  Nemophila heterophylla L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 6 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. Between stream and South Decker Canyon Rd., where stream comes within 6 ft. of the road. 152 Comment
  POM181027  Nemophila heterophylla Belle R jackson 1930-6-8 s.n. Napa North side of Mt. St. Helens near Toll House. Comment
  RSA92829  Nemophila heterophylla Peter H. Raven 1950-5-6 2033 Napa Shaded south limits of Calistoga, on Route 28. 61 Comment
  UCD23400  Nemophila heterophylla Eva Kurth 1977-4-10 182 Napa Corolla white. On rocky, SE facing slope 200 yds east of Monticello Dam on Highway 128. Comment
  JEPS110841  Nemophila menziesii Jake Ruygt 1977-3-14 156 Napa .2 mile north of Silverado Trail on Soda Canyon Rd. 121 Comment
  SFV8490  Nemophila menziesii S. Randall 1974-4-13 13 Napa 1 air mile southwest of Pope Valley, just west of Chiles-Pope Valley Road. 207 Comment
  UC545848  Nemophila menziesii E. Crum 1936-3-15 1737 Napa Chiles Valley Road 3.2 mi from Pope Valley Store; Chiles Valley Road <nr> Pope Valley Store Comment
  UC606903  Nemophila menziesii L. Constance 1938-3-27 2033 Napa 5 mi e Napa (n slope in Howell Mountains, North Coast Ranges); North Coast Ranges, Howell Mountains, e of Napa 457 Comment
  UCD23409  Nemophila menziesii Jonathan M. Irvine 1977-4-16 113 Napa Hwy. 128, 6.4 miles SSW of Monticello Dam. Soil is rocky clay, Knoxville formation. Mixed woodland, west facing gentle dry slope. Comment
  JEPS1885  Nemophila menziesii var. atomaria Mrs. Mary Van E. Ferguson 1919-4-13 205 Napa near Atlas; near Atlas Comment
  JEPS110869  Nemophila pedunculata Jake Ruygt 1993-4-3 3183 Napa Little Bear Valley 673 Comment
  UCD126688  Nicotiana acuminata var. multiflora J. M. Tucker; C. H. Lamoureux 1958-6-8 3404 Napa beside State Highway 128, 2.7 miles northeast of Rutherford. Comment
  UCD19932  Nicotiana quadrivalvis E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 790 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  JEPS44833  Oemleria cerasiformis Willis L. Jepson 1893-5-5 13829 Napa near Mt. St. Helena (Middleton grade) Comment
  JEPS120434  Oenothera glazioviana Jake Ruygt 2009-7-4 5457 Napa Silverado trail north of Pope Street. Comment
  UCD132729  Olea europaea Ramona Robison 2012-4-26 s.n. Napa Bale Gristmill State Historic Park, Near parking area and around historic mill. 121 Comment
  JEPS120333  Orobanche fasciculata Jake Ruygt 1982-6-13 1318 Napa Cedar Roughs near Guilliam Springs. Chiles Valley 7.5' Quad. Comment
  UCD167256  Orobanche fasciculata Jake Ruygt 1992-5-12 2955 Napa Tuteur Ranch, NE of reservoir on Spencer Creek. 249 Comment
  JEPS60260  Orobanche valida subsp. howellii L. R. Heckard 1969-7-13 2331 Napa Mt. St. Helena; se of lookout, below and s of the radar installation 1219 Comment
  CAS-BOT-BC243698  Orobanche valida subsp. howellii Alice A. Ackley 1964-8-1 s.n. Napa Mt. St. Helena Comment
  RSA155421  Orthocarpus erianthus L. S. Rose 1961-3-30 61023 Napa 6 mi w of Napa. 122 Comment
  RSA402038A  Orthocarpus lithospermoides Robert Gustafson, Don Reynolds 1983-6-7 2743 Napa Snell Valley Road, about 1 mile northeast from the jct of Butts Canyon Rd. Comment
  UC1177078  Oxalis articulata subsp. rubra Peter H. Raven 1951-5-6 2832 Napa St. Helena 91 Comment
  JEPS122756  Oxalis incarnata Jake Ruygt 2003-5-17 4530 Napa Sarco Creek, SW corner of Foote Mt. George Preserve. Quad: Mt. George. Comment
  UCD149713  Oxalis micrantha Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  JEPS106860  Packera eurycephala var. eurycephala Jake Ruygt 1998-5-30 4008 Napa Mt. St. Helena fire trail about 3/4 mile from RLS cabin trail. 883 Comment
  JEPS23636  Packera greenei R. H. Platt 1915-5-1 Napa Capell Canyon Napa Mts. Comment
  JEPS122967  Panicum acuminatum var. acuminatum Jake Ruygt 1998-6-20 4041 b Napa Near Onion Flat, Palisades trail from RLSSP. Quad: Detert Reservoir. Comment
  UCD89389  Panicum capillare Virginia Bufford 1936-9-20 435 Napa West place near Mineral Spring-Lower Lake-Knoxville Road. Comment
  UCD89789  Panicum capillare subsp. hillmanii Beecher Crampton 1974-9-19 9089 Napa south of Yountville. Comment
  JEPS110746  Parentucellia viscosa Jake Ruygt 1988-5-4 2178 Napa SW corner of HWY 29 and Airport Rd. 19 Comment
  UC191203  Parvisedum pumilum C. F. Sonne 1895-4-1 Napa Hill at Soda Springs Soda Springs Comment
  UC540616  Parvisedum pumilum H. L. Mason 1935-5-31 Napa 3 mi s of Napa (near highway) Comment
  CAS-BOT-BC202809  Paxistima myrsinites James R. Shevock; Roger Raiche 1989-4-17 11850 Napa Trail to the Cedars off of California hihway 29 east of Roert Louis Stevenson Memorial State Park 762 Comment
  JEPS68220  Pectocarya pusilla Willis L. Jepson 1893-3-13 21091 Napa Hills near St. Helena Napa River Basin Comment
  UC917153  Pedicularis densiflora D. C. Finfrock 1950-4-2 17 Napa 7.2 mi from St. Helena (on road to Pope Valley) Comment
  UCD123314  Pedicularis densiflora D. C. Finfrock 1950-4-2 17 Napa 7.2 miles from St.Helena on road to Pope Valley. Comment
  UCD149364  Pedicularis densiflora Collector Unknown 1940-4-7 s.n. Napa City of St. Helena. 80 Comment
  UCD17996  Pedicularis densiflora Ellen Dean; Kate Mawdsley 2001-4-9 682 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along South Decker Canyon Rd., south of jct with Cutoff Rd. 243 Comment
  UCD19956  Pedicularis densiflora E. A. Dean; Virginia Boucher 2002-2-28 900 Napa Quail Ridge Reserve. Along East Rd., 1.4 airline miles N of Hwy 128. 365 Comment
  UCSB19025  Pedicularis densiflora Rankine, Jane 1965-4-13 Napa 3 miles W of Pope Valley on road between Pope Valley and Anqwin Comment
  UC1278029  Pedicularis densiflora B. Crampton 1953-2-26 989 Napa about 6 mi e of Monticello (above Putah Creek, along State Hwy 128) Comment
  CAS-BOT-BC69209  Pellaea andromedifolia W. R. Dudley 1895-2-23 s.n. Napa Knights Valley Comment
  CAS-BOT-BC71380  Pellaea mucronata Alice Eastwood 1922-5-4 11268 Napa Mt. St. Helena Comment
  CDA11897  Pellaea mucronata var. mucronata G. F. Hrusa, G. L. Stebbins 1994-4-8 11721 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. 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
  JEPS7571  Penstemon heterophyllus var. heterophyllus W. L. Jepson 1923-6-3 9970 Napa Calistoga Napa Valley, Calistoga Comment
  CHSC83408  Penstemon heterophyllus var. purdyi L. P. Janeway; B. Castro 2002-5-12 7532 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  SEINET11052858  Penstemon laetus Joseph Andorfer Ewan 1934-4-30 8861 Napa Near Samuel Spgs. above Monticello Pope Valley Grade Comment
  CAS-BOT-BC245717  Penstemon newberryi var. sonomensis H. E. McMinn 1922-3-27 52 Napa From fop of Mt. St. Helena Comment
  CAS-BOT-BC71673  Pentagramma triangularis subsp. triangularis John H. Thomas 1955-5-21 5149 A Napa Along State Highway No. 128, about 4.5 miles south of Menticello 167 Comment
  JEPS60091  Pentagramma triangularis subsp. triangularis W. L. Jepson 1943-5-15 20777 Napa Knoxville Ridge Comment
  UCD48369  Pentagramma triangularis subsp. triangularis A. Van Houtte; E. Leger and C. Hohn 2001-4-14 15 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam on W side of South Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope from ruined cabins. 152 Comment
  HSC103454  Pentagramma triangularis subsp. triangularis Thomas W. Nelson, Jane Nelson 1981-4-14 6401 Napa Along Devil's Head Rd., .5 mi. from junction with Morgan Valley Rd., at junction with road to Hunting Creek 549 Comment
  UC1312889  Perideridia oregana Lincoln Constance, Tsan-Iang Chuan, and Rimo Bacigalupi 1967-7-6 3784 Napa Pope Canyon road 3 mi ne Pope Valley road (w of Lake Berryessa) 182 Comment
  UC1312888  Perideridia oregana Lincoln Constance, Tsan-Iang Chuan, and Rimo Bacigalupi 1967-7-6 3783 Napa 2.6 mi nw Lake Hennessey; Conn Valley 121 Comment
  CHSC102519  Persicaria punctata Lowell Ahart 2009-10-12 16449 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD48848  Petrorhagia dubia M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 18 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 274 Comment
  UCR45094  Phacelia corymbosa L. F. LaPre 1986-5-6 s.n. Napa Inner North Coast Ranges, Cedar Creek, 3.5 mi SW of Knoxville & c. 0.5 mi (air) west of Devilhead Road at the junction of the creek & a dirt road 550 Comment
  CAS-BOT-BC134011  Phacelia distans John H. Thomas 1955-5-21 5113 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  SBBG11769  Phacelia distans H. and M. Dearing 1939-5-3 3270 Napa Sage Cyn near Rutherford Comment
  UCD120398  Phacelia distans K. Esau 1938-4-13 s.n. Napa Highway between Monticello and Napa. Comment
  UC1278087  Phacelia distans B. Crampton 1955-4-7 2441 Napa 1/2 mi nw Knoxville (ne Napa Co.) Comment
  JEPS110866  Phacelia divaricata Jake Ruygt 1979-4-14 514 Napa Oat Hill Mine Rd. near Twin Peaks 694 Comment
  UCD170435  Phacelia divaricata Daniel Potter; Peter Lash 2017-3-28 907 Napa Knoxville Wildlife Area, northeast of Zim Zim Falls. 445 Comment
  UC663016  Phacelia divaricata Basil Bowers 1941-6-18 380 Napa just n summit of old mines road (e of Calistoga); Palisades 762 Comment
  JEPS2147  Phacelia egena W. L. Jepson 1924-5-8 10413 Napa Pope Creek Comment
  UCD170812  Phacelia heterophylla subsp. virgata 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  JEPS2145  Phacelia imbricata subsp. imbricata Willis L. Jepson 1893-4-24 21048 Napa beyond Park Hill (= e of St. Helena); Napa River Basin, Conn Valley grade Comment
  UCD166689  Phacelia imbricata subsp. imbricata Jake Ruygt 1998-5-16 3966 b Napa Maggies Peak, near Bismark Knob. 594 Comment
  JEPS126045  Phacelia suaveolens var. suaveolens Jake Ruygt 1989-5-13 2323 Napa Vaca Mount about 1 mile north of Mt. Vaca. Mount Vaca 7.5' Quad. Comment
  UCD48042  Phacelia tanacetifolia A. Laffin; A. Randall, S. Holck 2002-4-13 2 Napa Napa Co, McLaughlin UC Reserve, north of Knoxville-Berryessa Road, just west of turn-off to old town of Knoxville. Ca. 0.2 airline mile up slope of road, in calcium seep. 431 Comment
  UCD166688  Phacelia tanacetifolia Jake Ruygt 1998-5-20 3987 Napa Blue Ridge, +/- 1.5 miles north of Mays Flat. 685 Comment
  CAS-BOT-BC258828  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa In Napa Valley, near Calistoga 91 Comment
  UCD88033  Phalaris aquatica Beecher Crampton 1962-5-16 6428 Napa Aetna Springs. Comment
  CAS-BOT-BC265854  Phalaris californica John Thomas Howell 1940-5-19 15444 Napa Near Calistoga Comment
  JEPS122932  Phleum pratense Jake Ruygt 1986-6-9 1807 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road. Quad: Capell Valley. Comment
  UCD170443  Phragmites australis Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 915 Napa Knoxville Wildlife Area, on Zim Zim Falls trail north of Zim Zim Falls. 407 Comment
  JEPS110894  Phyla nodiflora var. rosea Jake Ruygt 1991-6-29 2754 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 121 Comment
  CHSC102533  Physalis lancifolia Lowell Ahart 2009-10-27 16500 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CAS-BOT-BC202267  Pickeringia montana var. montana Belle R. Jackson 1939-6-11 s.n. Napa Mead Ranch, Atlas Way, Napa Mts. Comment
  UC1129867  Pickeringia montana var. montana A. E. Wieslander 1931-5-11 182 Napa n slope of mt. n Calistoga; Calistoga Quadrangle, Mt. St. Helena 731 Comment
Read comments
Aug 15 2010
  UCD161609  Pickeringia montana var. montana Jake Ruygt 1999-7-17 4207 Napa Red Hill, south side of Mt. St. Helena. 731 Comment
  CDA7597  Picris echioides T. C. Fuller 1957-10-25 552 -57 Napa Napa Junction. 0 Comment
  CAS-BOT-BC73374  Pinus attenuata Peter H. Raven 1951-8-21 3876 Napa Mt. Veeder 792 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
  UC182  Pinus ponderosa Davy 1894-10-1 Napa spur of Mt. St. Helena Comment
  UCD47759  Pinus sabiniana R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 10 Napa Napa County, California. Mclaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  JEPS120416  Piperia transversa Jake Ruygt 2010-6-5 5592 Napa Slopes to south of Snell Valley; Missimer Preserve. Comment
  UC1106288  Plagiobothrys bracteatus Peter H. Raven 1950-5-6 2108 Napa on Old Faithful Geyser road near Rt. 29 (2 mi n of Calistoga) Comment
  UCD74380  Plagiobothrys bracteatus Jake Ruygt 1995-4-25 3448 Napa West end of Lewelling Lane, St. Helena. 76 Comment
  UCD35288  Plagiobothrys fulvus var. campestris Beecher Crampton 1955-4-7 2436 Napa Napa County; 7.8 miles north of Monticello. Comment
  UCD164866  Plagiobothrys greenei Jake Ruygt 2012-4-21 5826 Napa Crystal Flats, west of Putah Creek. 259 Comment
  JEPS68059  Plagiobothrys nothofulvus Willis L. Jepson 1893-4-26 21162 Napa Rutherford Napa River Basin Comment
  UCD120932  Plagiobothrys nothofulvus M. Wiesendanger 1927-5-4 687 Napa Near Monticello. 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
  UCD170835  Plagiobothrys nothofulvus 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. 166 Comment
  HSC3767  Plagiobothrys nothofulvus Greg Bos 1963-3-3 24 Napa W shore of Lake Berryesa 152 Comment
  UCD37574  Plagiobothrys stipitatus Beecher Crampton 1955-4-7 2447 Napa Napa County, 21.5 miles north of Monticello, 0.5 mile northwest of Knoxville. Comment
  JEPS100374  Plagiobothrys stipitatus var. micranthus Dean W. Taylor 2001-5-15 17652 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS129157  Plagiobothrys stipitatus var. micranthus Jake Ruygt 2015-5-2 6086 Napa West of Buck Mountain near Nevada. Knoxville 7.5' Quad. Comment
  UC1301092  Plagiobothrys stipitatus var. micranthus Helen K. Sharsmith 1963-4-20 5328 Napa 4 mi s Napa (off Kelly Road); San Francisco Bay Region 45 Comment
  CAS-BOT-BC228492  Plagiobothrys strictus Peter H. Raven 1950-5-6 2024 Napa Near Old Faithful Geyser N of Calistoga 182 Comment
  UC353893  Plagiobothrys strictus Milo S. Baker 1927-5-1 2102 Napa near geysers; Calistoga Comment
  RSA0008560  Plagiobothrys strictus D. D. Keck 1931-4-4 1095 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  JEPS106761  Plagiobothrys tenellus Jake Ruygt 1982-3-22 1143 Napa Kreuze Canyon 381 Comment
  POM63831  Plagiobothrys tenellus C. F. Baker 1903-4-20 2624 Napa Mt. St. Helena. Comment
  JEPS85040  Plantago erecta Larry Heckard and Mary Ashton 1969-5-3 2194 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  RSA41868  Plantago erecta H. C. Cantelow 1939-4-8 2516 Napa Howell Mt. 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
  UC402910  Plantago erecta Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George Comment
  UC585983  Plantago erecta Joseph P. Tracy 1935-3-19 13765 Napa 4 mi nw Calistoga (Knight's Valley road); Northern Coast Ranges 213 Comment
  UCR12028  Plantago lanceolata Coleta A. Lawler 1964-3-24 16 Napa Junction of Redwood Rd and Browns Valley Rd Comment
  CHSC102283  Plantago major Lowell Ahart 2009-10-27 16490 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. 130 Comment
  UCD164741  Plantago major Jake Ruygt 2014-7-7 6020 Napa Pope Creek. Pope Canyon. 188 Comment
  UCD82051  Platystemon californicus Robin McMaster 1972-4-22 66 Napa Pope Valley. Comment
  JEPS4807  Plectritis brachystemon W. L. Jepson 6259 Napa Conn Valley Comment
  JEPS6145  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4444 Napa Conn Canyon Reservoir Comment
  JEPS129158  Plectritis ciliosa Jake Ruygt 2015-3-21 6048 b Napa Missimer - Snell Valley Preserve. Aetna Springs 7.5' Quad. 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
  UC168963  Plectritis ciliosa subsp. ciliosa Joseph P. Tracy 1902-5-15 1469 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UC1301169  Plectritis ciliosa subsp. ciliosa Helen K. Sharsmith 1963-4-20 5353 Napa above Wooden Valley (on Monticello Road, e side Napa Range); San Francisco Bay Region, Napa Range San Francisco Bay Regio 243 Comment
  UC999844  Plectritis ciliosa subsp. ciliosa S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 635 Napa near Monticello Comment
  CDA10906  Plectritis macrocera G. F. Hrusa, M. Rejmanek 1993-5-15 11002 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS6143  Plectritis macrocera Bacigalupi and Dempster 1954-5-10 4446 Napa Highway 128 between Chiles Valley and Monticello Valley; Highway 128 Comment
  UC168965  Plectritis macrocera Joseph P. Tracy 1902-5-15 1483 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  JEPS14270  Plectritis macrocera L. T. Dempster 1954-5-25 P 10 B Napa at site of bridge across Putah Creek, near proposed Monticello Dam Putah Creek Comment
  JEPS14271  Plectritis macrocera L. T. Dempster 1954-5-25 P 10 A Napa at site of bridge across Putah Creek, near proposed Monticello Dam Putah Creek Comment
  UCD137615  Plectritis macrocera J. D. Skoss 1948-4-10 s.n. Napa Putah Canyon, 12 miles above Winters. Comment
  OBI8696  Plectritis magna Bacigalupi & Dempster, Dempster 1954-5-10 4444 Napa Conn Cyn Reservoir Comment
  SEINET10611516  Pleuropogon californicus var. californicus A. Arthur Heller 1924-4-12 Heller 13851 Napa Stiff clay soil near the mound at one of the hot springs, Calistoga. Comment
  UC73784  Poa annua J. Burtt Davy April 1902 Napa St. Helena Comment
  UCD149703  Poa bulbosa Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Northeast of St.Helena, along Sanitarium Road, east of intersection with Glass Mountain Road, vineyard conversion. Partridge Vineyard property. 95 Comment
  UC184007  Poa howellii Joseph P. Tracy 1902-5-16 1510 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 335 Comment
  JEPS122929  Poa napensis Jake Ruygt 1996-4-11 3596 Napa Calistoga Airport. Quad: Calistoga. Comment
  UC1112207  Poa napensis Peter H. Raven 1957-5-5 10737 Napa field near hot springs at airport Calistoga Comment
  RSA0000483  Poa napensis A. A. Beetle 1946-5-7 4256 Napa 2 mi. north of Calistoga at Myrtledale Hot Springs. Comment
  SEINET7546722  Poa napensis A. A. Beetle 1946-1 Napa Comment
  JEPS122911  Poa pratensis Jake Ruygt 2002-5-18 4422 Napa Missimer/Snell Valley Wildflower Preserve. Quad: Aetna Springs. Comment
  JEPS122926  Poa pratensis subsp. pratensis Jake Ruygt 1990-5-6 2531 b Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Quad: Yountville. 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
  UCD18147  Poa secunda subsp. secunda Jean Shepard; with PLB 102 class 2000-4-29 202 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
  UCD91662  Poa secunda subsp. secunda Peter Kamb; Francia Chisaki 1950-4-22 1752 Napa W side of Wooden Valley on California Hwy 37. 304 Comment
  JEPS62429  Pogogyne douglasii W. L. Jepson 1938-6-8 18898 Napa Playa Snell Valley Comment
  UC1988917  Pogogyne douglasii Alice Eastwood and John Thomas Howell 1939-6-11 Napa near Calistoga Comment
  JEPS51382  Polycarpon tetraphyllum W. L. Jepson 1897-5-2 Napa St. Helena; along railroad track Comment
  UC852688  Polycarpon tetraphyllum Alice Eastwood 1915-6-5 4655 Napa Calistoga, along railroad Calistoga Comment
  UCD68049  Polygala californica Allen Barnes 1976-6-1 25 Napa on highway 128, 3.9 miles northwest of Moskowite Corners, approximately 200 yds west of roadside. Comment
  SEINET741773  Polygala californica M. F. Wojciechowski, K. P. Steele 2000-5-20 888 Napa Along CA highway 121, 2.0 mi south of junction of 121 and Wooden Valley Rd. Comment
  CAS-BOT-BC413935  Polygonum aviculare subsp. aviculare Peter H. Raven 1951-9-9 3893 Napa Fields at Solano Co. line w. of Hy. 29 15 Comment
  CAS-BOT-BC109155  Polygonum bolanderi David D. Keck 1933-11-10 2721 Napa 1 mile north of Yountville. Comment
  JEPS50580  Polygonum bolanderi John T. Howell 1926-10-3 2213 Napa about 2 mi from Petrified Forest (between there and Calistoga) Comment
  POM263036  Polygonum bolanderi J. C. Roos 1938-11-12 320 Napa In rocky place, Angwin, Napa Range. 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
  UCR30824  Polygonum bolanderi John C. Roos 1938-11-12 320 Napa North Coast Range, Pacific Union College, Angwin, near the falls Comment
  JEPS50595  Polygonum californicum W. L. Jepson 1930-10-19 15687 Napa Pope Valley Comment
  UC6676  Polygonum californicum Brewer 856 Napa Napa Hills Comment
  JEPS50607  Polygonum hydropiper W. L. Jepson 1894-11-5 Napa towards Battle Mt. (near St. Helena) Comment
  CHSC103020  Polygonum lapathifolium Lowell Ahart 2009-10-12 16447 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS50631  Polygonum lapathifolium Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin Comment
  UC1198080  Polygonum lapathifolium Joseph P. Tracy 1905-7-3 2204 Napa near Calistoga; Northern Coast Ranges, Napa Valley Comment
  CDA11155  Polygonum punctatum G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11566 Napa North Coast Biodiversity Arena; Sarco Creek, N side of Mt. George, 10 mi. NE of city of Napa. Comment
  JEPS112591  Polygonum punctatum Jake Ruygt 1978-8-29 403 a Napa 0.6 mi N of Hoffman Lane on Solano Avenue 24 Comment
  UCR71486  Polygonum punctatum Barbara Ertter, Elizabeth Neese 1988-10-2 7953 Napa North Coast Ranges, Lake Hennessey, c. 15 air mi NNW of Napa, on Conn Creek 92 Comment
  CAS-BOT-BC76855  Polypodium calirhiza Peter H. Raven 1954-1-22 6380 Napa Sulphur Springs Resort, west of St. Helena. 121 Comment
  JEPS79513  Polypodium calirhiza Edward Lee with Annetta Carter 1935-12-1 1672 Napa rd. from Napa to Wooden Valley (Sarco Creek); Howell Mts. Comment
  JEPS115747  Polypogon interruptus Lowell Ahart 2009-10-12 16466 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 Win 133 Comment
  UCD91019  Polypogon interruptus August L. Hormay 1932-6-19 s.n. Napa Mt. St. Helena. Comment
  JEPS115748  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 Win 133 Comment
  UCD91411  Polypogon monspeliensis M. Wiesendanger 1926-4-1 1495 Napa Somewhere. Comment
  JEPS116567  Polystichum dudleyi Jake Ruygt 1999-7-10 4204 b Napa Spring Street near White Sulphur Springs. Rutherford 7.5' Quad. Comment
  CAS-BOT-BC445237  Portulaca oleracea Peter H. Raven 1952-5-26 4030 Napa Rutherford 53 Comment
  JEPS44925  Prunus virginiana var. demissa W. L. Jepson 1897-4-30 13841 Napa sw of Calistoga (Upper Napa Valley, Rebecca Ranch grade); Hoods Peak Range, Upper Napa Valley, Rebecca Ranch grade Comment
  UC608410  Prunus virginiana var. demissa Beryl O. Schreiber 1936-3-5 2205 Napa 0.3 mi WSW of Petrified Forest Comment
  JEPS95198  Pseudognaphalium biolettii Jake Ruygt 1987-3-19 1932 Napa Milliken Canyon 97 Comment
  JEPS20447  Pseudognaphalium californicum Willis L. Jepson 1893-6-24 14741 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  UCD146333  Pseudognaphalium microcephalum Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  JEPS120419  Pseudognaphalium microcephalum Jake Ruygt 2010-8-21 5745 Napa Buzzard's Roost, west slope above Staggs Leap. Comment
  JEPS106963  Pseudognaphalium stramineum Jake Ruygt 1996-3-30 3544 Napa Jameson Vineyards, South Kelly Road. 91 Comment
  UCD91500  Pseudoroegneria spicata B. Crampton 1961-6-13 s.n. Napa North end of Capell Valley, above Capell Creek along State Hwy. 128. Comment
  CAS-BOT-BC80150  Pseudotsuga menziesii John H. Thomas 1966-3-22 11534 Napa About 5 miles north of Calistoga as measured along highway 29 on the southeast slope of Mt. St. Helena 609 Comment
  JEPS106885  Psilocarphus brevissimus var. brevissimus Jake Ruygt 1990-4-21 2490 Napa Giles Mead Ranch, Atlas Peak Rd. 487 Comment
  JEPS106883  Psilocarphus oregonus Jake Ruygt 1995-5-8 3471 Napa 2 mi. south of Lake Hennessey on road to Taylor/ Chapallet 411 Comment
  CAS-BOT-BC361892  Psilocarphus tenellus John H. Thomas 1958-4-19 7117 Napa About 2 miles SW of Oakville 152 Comment
  UC165837  Psilocarphus tenellus J. P. Tracy 1902-5-17 1526 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  UCD170453  Psilocarphus tenellus Daniel Potter; Ninh Khuu 2016-6-8 882 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  CAS-BOT-BC72604  Pteridium aquilinum Jean Fottrell 1906-7-1 s.n. Napa Napa Comment
  CAS-BOT-BC72605  Pteridium aquilinum Evelina Cannon 1901-7-20 s.n. Napa Johannisberg, Mt. Veeder Comment
  UCD118095  Pteridium aquilinum var. pubescens Megan Mateo; Plant Biology 102 Collectors 2012-4-29 1 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  CAS-BOT-BC421124  Pterostegia drymarioides D. E. Breedlove 1976-4-24 39479 Napa Junction of Pope Valley and Lower Chicken Valley Roads Comment
  JEPS106407  Pyrola aphylla Jake Ruygt 1988-6-4 2217 Napa Mt. St. Helena <.5 mi. from HWY 29 on fire road 707 Comment
  UC1197567  Pyrola picta J. P. Tracy 1899-6-14 341 Napa 3-4 mi e of Angwins (Head of Moore's Creek, Howell Mountain); Howell Mountain, Head of Moore's Creek 518 Comment
  CAS-BOT-BC362358  Pyrrocoma racemosa var. racemosa Alice Eastwood 1918-9-3 7961 Napa Calistoga Comment
  UC221335  Pyrrocoma racemosa var. racemosa H. M. Hall 1923-10-15 11949 a Napa near Calistoga; Martinsdale Spring Comment
  CDA11153  Quercus X chasei G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11564 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa, above Sarco Creek. Comment
  CDA11895  Quercus X chasei G. F. Hrusa, G. L. Stebbins 1994-4-8 11725 Napa North Coast Biodiversity Arena; Large tree along road at Aetna Springs resort. Comment
  SFV890  Quercus X ganderi D. Q. Cavagnaro 1965-6-26 s. n. Napa La Jolla quicksilver mine, north slope of Mount St. John, 7 miles northwest of Oakville. Comment
  POM262790  Quercus X morehus J. C. Roos 1939-4-16 281 Napa Angwin, Howell Mtn. Comment
  UC518957  Quercus X morehus David D. Keck 1933-5-29 2346 Napa Pope Creek Bridge Pope Creek Canyon (s of Walters Springs, s wall of canyon) Comment
  UCD47054  Quercus X morehus D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa (Q. wislizenii DC. X Q. kelloggii Newb.). Napa County: Lake Berryessa. Pope Creek; 380 Comment
  JEPS37714  Quercus agrifolia W. L. Jepson 1901-8-6 1718 Napa St. Helena Napa River Basin Comment
  JEPS46630  Quercus agrifolia W. L. Jepson Nov 1901 Napa grade to Sanitarium St. Helena Comment
  SACT002605  Quercus agrifolia John Willoughby 1976-5-18 Napa Not far below top latitude about that of Mount Vaca, with Pinus sabiniana. Note tufts of hair in vein islets. Comment
  UCD149630  Quercus agrifolia G. Ledyard Stebbins 1994-4-15 s.n. Napa Chiles Valley summit, [near] 128. Comment
  UCD45014  Quercus agrifolia Frank W. Gould 1939-4-6 595 Napa Five miles east of Napa, grove of trees in Arctostaphylos-Ceanothus chaparral. Trees 20 to 30 feet tall. Comment
  SEINET12034184  Quercus agrifolia Unknown 1942-1 s.n. Napa Calistoga Comment
  CDA12252  Quercus agrifolia var. agrifolia G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 s.n. Napa North Coast Biodiversity Arena; Tree at upper end of Lake Hennessey along Hwy. 128. Comment
  CAS-BOT-BC532605  Quercus berberidifolia G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs Comment
  UCD14677  Quercus berberidifolia John M. Tucker; and G. L. Stebbins 1950-11-5 2004 Napa California, Napa Co.; 11.5 mi. northwest of Monticello, beside road to Pope Valley; Comment
  UCD160571  Quercus berberidifolia G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  UCD45242  Quercus berberidifolia J. M. Tucker; G. L. Stebbins 1950-11-5 2004 Napa California, Napa Co.; 11.5 mi. northwest of Monticello, beside road to Pope Valley; shrubs on steep hillside. (Sheet No. 1. Each twig from a separate shrub.) Comment
  CAS-BOT-BC62462  Quercus chrysolepis John Thomas Howell 1926-10-3 2201 Napa Mt. St. Helena Comment
  RSA444489  Quercus chrysolepis J. C. Roos 1939-5-14 255 Napa Pacific Union College, Anguin. Comment
  UCD63353  Quercus chrysolepis Daniel Sanchez-Mata 2006-6-15 s.n. Napa Lower Chiles Valley Road. Chiles Valley. 160 Comment
  CAS-BOT-BC85937  Quercus douglasii John Thomas Howell 1927-8-23 3043 Napa On hills on N side of Chiles Valley, Napa Range 213 Comment
  CDA21879  Quercus douglasii H. Stabo 1968-10-21 Napa 0 Comment
  UC993142  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
  UCD14550  Quercus douglasii John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -8 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; Comment
  UCD14551  Quercus douglasii John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -12 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; Comment
  UCD45639  Quercus douglasii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  CAS-BOT-BC86439  Quercus dumosa John H. Thomas 1958-4-19 7113 Napa About 2 miles SW of Oakville 152 Comment
  JEPS37800  Quercus dumosa W. L. Jepson 1938-9-28 19042 Napa La Jota Mesa Howell Mts. Comment
  CAS-BOT-BC79837  Quercus durata C. Hart Merriam September k3m k9k9 s.n. Napa Canyon House, Steel Creek Comment
  CDA11894  Quercus durata G. F. Hrusa, G. L. Stebbins 1994-4-8 11719 Napa North Coast Biodiversity Arena; Aetna Springs, approx. 1/2 mile above resort. Comment
  CHSC85477  Quercus durata G. F. Hrusa; G. L. Stebbins 1994-3-11 11602 Napa On Ink Grade approx. 2 miles N of Angwin. 520 Comment
  JEPS116526  Quercus durata Jake Ruygt 2002-9-4 4453 Napa Northwest side of Atlas Peak. Yountville 7.5' Quad. Comment
  RSA82771  Quercus durata J. M. Tucker 1941-9-20 407 Napa Opposite junction of road from Samuel Springs with Monticello--Pope Valley Road. 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
  UCD14810  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -12 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14822  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -18 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD149561  Quercus durata G. Ledyard Stebbins 1994-4-15 s.n. Napa Berryessa Dam. Comment
  UCD45884  Quercus durata var. durata John M. Tucker 1941-9-20 407 Napa Opposite junction of road from Samuel Springs with Monticello-- Pope Valley Road, Napa County, California. Comment
  UCD45917  Quercus durata var. durata D. Q. Cavagnaro 1963-10-18 226 Napa 5.5 miles west of Moskwite Corners, Napa County, California. Elevation 100 feet. 30 Comment
  UCD48032  Quercus durata var. durata Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 20 Napa Napa Co, McLaughlin Reserve, apporx. 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd. 1st ridge south of Devilhead Rd. 518 Comment
  CAS-BOT-BC105294  Quercus kelloggii Peter H. Raven 1951-8-20 3861 Napa near Lokoya 548 Comment
  CAS-BOT-BC105302  Quercus kelloggii Elsa G. Ruckert 1960-4-2 59 Napa 6495 Dry Creek Road, woods SW of house 300 yards 365 Comment
  CDA21941  Quercus kelloggii J. M. Tucker 1976-10-24 4383 Napa Beside Dry Creek Road, 0.8 mile east of junction with Wall Road, and 5 miles (by road) southwest of Oakville. 0 Comment
  CDA29134  Quercus kelloggii D. G. Kelch, Daniel Weinstein 2009-6-21 9 .445 Napa Near Skyline Park. Comment
  LA205302  Quercus kelloggii J. A. Ewan; 1933-9-17 8012 Napa trail above Mt St. Helena Inn Comment
  UCD37947  Quercus kelloggii Beecher Crampton 1962-5-16 6430 Napa 0.5 mile W of Aetna Springs. Comment
  UCD40430  Quercus kelloggii Rodney Gale Myatt 1971-9-15 981 Napa Robert Louis Stevenson State Park. Along Hwy 29, just southeast of Mt. St. Helena. 609 Comment
  UCD46665  Quercus kelloggii K. D. Jones 1927-9-10 1707 Napa California Black Oak. Calistoga-Wrights. Comment
  SEINET5644379  Quercus kelloggii D. Q. Cavagnaro 1963-10-18 225 Napa At Napa Valley Ranch Club road junction, 2.8 miles west of Moskowite Corners.; 0 Comment
  CAS-BOT-BC62879  Quercus lobata Peter H. Raven 1952-5-31 4148 Napa Summit of hills sw of Rector Canyon 304 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
  JEPS116532  Quercus lobata Jake Ruygt 1992-7-14 3093 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Quad. Comment
  POM262791  Quercus lobata J. C. Roos 1939-3-27 282 Napa Angwin, Howell Mountains. Comment
  RSA28534  Quercus lobata E. K. Balls, P. C. Everett 1953-10-15 18677 Napa 5.5 miles south of junction of highways 37 and 28, between Monticello and Napa. 305 Comment
  UCD149626  Quercus wislizeni G. Ledyard Stebbins 1994-4-15 s.n. Napa Markley Canyon. Comment
  UCD149631  Quercus wislizeni G. Ledyard Stebbins 1994-4-15 s.n. Napa Berryessa Dam area at Route 128. Comment
  UCD47600  Quercus wislizeni Beecher Crampton 1962-10-9 6701 Napa 1-1/4 mile southwest Angwin, Howell Mtn. Road, Conn Creek. Comment
  JEPS106866  Rafinesquia californica Jake Ruygt 1996-4-27 3633 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 304 Comment
  JEPS106869  Rafinesquia californica Jake Ruygt 1989-5-20 2335 Napa About .5 miles south of Monticello Dam on Vaca Mtns. Monticello Dam 7.5' Quad. 822 Comment
  HSC59003  Ranunculus arvensis Dan Wyrick 1975-4-22 217 Napa Near Pacific Union College 549 Comment
  UCD168566  Ranunculus californicus 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
  UCD95935  Ranunculus californicus Heidi E. M. Dobson 1978-4-8 299 Napa east slope of Mt. Veeder. Comment
  JEPS120435  Ranunculus californicus Jake Ruygt 2008-4-7 5278 Napa Tubbs Lane, west of Myrtledale Rd. Comment
  CAS-BOT-BC378487  Ranunculus californicus var. californicus David D. Keck 1931-4-2 1009 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 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
  SEINET5718557 Image available Ranunculus canus Shirley C. Tucker 1964-1 6092 B Napa Route 138, 4 miles east of Moscovitz Corner.; Moscovitz Corner Comment
  POM150527  Ranunculus lobbii C. F. Baker 1903-4-19 1997 Napa St. Helena Comment
  UC9460  Ranunculus lobbii Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin, upper Napa Valley Comment
  UCD118564  Ranunculus muricatus Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. NE of fire station on south side of undeveloped road, growing at the bottom of dry ditch. 519 Comment
  SEINET7072527  Ranunculus occidentalis A. G. Vestal 1963-4-7 s.n. Napa About 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD 27. Comment
  UCD48147  Ranunculus occidentalis Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 5 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  UCD117469  Ranunculus occidentalis var. occidentalis Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside opposite drainage pipe. 519 Comment
  JEPS110990  Ranunculus pusillus Jake Ruygt 1982-6-1 1301 Napa .3 mile north of Chimney Rock Golf Cours on Silverado Trail 20 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
  CAS-BOT-BC427556  Reseda luteola Thomas H. Kearney 1948-8-1 s.n. Napa Near Napa Comment
  UCD116487  Reseda luteola Herbert L. Mason 1942-9-29 12558 Napa 2 miles N of Calistoga. Comment
  CAS-BOT-BC362894  Rhagadiolus stellatus John Thomas Howell 1980-5-15 53451 Napa Oakville Grade sw. of Oakville 152 Comment
  JEPS24114  Rhagadiolus stellatus Mrs. Ida DeMay Wilson 1959-5-10 Napa Dry Creek Rd near Napa Comment
  UCD96189  Rhagadiolus stellatus Ellen Dean; with Clare Loughran 2011-5-20 7073 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
  JEPS42077  Rhamnus californica subsp. californica Miss Frida Niedermuller 1908-9-7 Napa St. Helena Comment
  CAS-BOT-BC56019  Rhamnus ilicifolia H. E. McMinn 1922-3-27 55 Napa Slope on Mt. St. Helena Comment
  UCD160730  Rhamnus ilicifolia Ellen Dean 2015-5-23 8782 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UCD41401  Rhamnus ilicifolia Ellen Dean; M. Bibbo, T. Pitman, and A. Douglas 2004-5-1 2015 Napa McLaughlin UC Reserve or just south of it. Along Knoxville-Berryessa Road, 1 road mile south of the gate/road to old town of Knoxville site. East side of road. 353 Comment
  RSA7746  Rhamnus tomentella subsp. crassifolia Carl B. Wolf 1928-2-25 1506 Napa 3 miles N of summit of the Mt. St. Helena Grade, near the Napa Lake County line. Comment
  UC668155  Rhamnus tomentella subsp. crassifolia Joseph P. Tracy 1938-6-6 15834 Napa 5 mi e Angwin's (on hills at head of Moores Creek); Howell Mountain, Moores Creek 365 Comment
  CDA29137  Rhododendron occidentale D. G. Kelch, Daniel Weinstein 2009-6-21 9 .444 Napa Near Skyline Park. Comment
  HSC41173  Rhododendron occidentale Robert M. Specht 1976-5-15 458 Napa .3 mi. S of Napa-Lake Counties border on Hwy. 29 at Rattlesnake Spring Comment
  UCD117983  Rhododendron occidentale W. R. Russell 1953-5-5 s.n. Napa Chiles Valley. Comment
  UCD117990  Rhododendron occidentale W. A. Williams 1974-11-25 s.n. Napa 3 miles west Knoxville (in direct line). BLM land. Comment
  UCD20691  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 3 Napa Napa County, NE side of Butts Canyon Rd. along NE side of Butts Creek, at Napa 19.75 marker. In 5' of low water, crowns 1-2' above low water, submerged 1.5-3' at flood levels. Comment
  RSA22617  Rhododendron occidentale var. californicum Marion Ownbey, Ruth P. Ownbey 1938-7-9 1702 Napa 6 miles northeast of Napa. Comment
  RSA128801  Ribes californicum Peter H. Raven 1951-5-20 2856 Napa Hills west Oakville 549 Comment
  UCD167049  Ribes californicum var. californicum Jake Ruygt 1990-2-17 2435 Napa Stonecrest Drive, Napa; at road summit. 79 Comment
  CAS-BOT-BC168937  Ribes malvaceum Milo S. Baker 1931-4-1 5096 Napa In canyon 5 mi. N.E. of Napa on Monticello Road, on north side. Comment
  JEPS9658  Ribes menziesii Willis L. Jepson Napa mountain summit w St. Helena (trail to <?>houx's Knob) Comment
  JEPS49467  Ribes roezlii var. cruentum Willis L. Jepson 1893-4-25 13524 Napa mts. w St. Helena (Caux's Cabin); Napa River Basin Comment
  UC11625  Ribes roezlii var. cruentum Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  JEPS34851  Rigiopappus leptocladus Willis L. Jepson 1893-5-8 Napa grade below New Eden; Napa River Basin, Howell Mountain Comment
  UCD18064  Rigiopappus leptocladus Ellen Dean; with Plant Biology 102 class 2000-4-22 619 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
  UCD18103  Rigiopappus leptocladus Ellen Dean; with Plant Biology 102 class 2000-4-22 612 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-BC363049  Rigiopappus leptocladus David D. Keck 1933-5-29 2341 Napa Pope Creek Bridge, south of Walters Springs. South wall of Pope Creek Canyon Comment
  CAS-BOT-BC340993  Robinia pseudoacacia Alice Eastwood 1915-6-5 s.n. Napa Calistoga Comment
  JEPS106792  Rorippa curvisiliqua Jake Ruygt 1992-7-10 3085 Napa Yountville Ecological Reserve, Yountville Crossroad 26 Comment
  UCD115303  Rorippa curvisiliqua M. Wiesendanger 1927-5-4 668 Napa near Monticello. Comment
  UC126646  Rosa californica Harley P. Chandler Sep 7 1906-Sep 14 1906 7115 Napa Alta Loma Ranch Howell Mountain 487 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
  SEINET11910993  Rosa gymnocarpa F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -311 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 770 Comment
  POM275408  Rosa spithamea Lyman D. Benson 1929-9-30 1931 Napa N side Mt. St. Helena. Mayacamas Mtns. Putah Creek watershed. 762 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
  JEPS115755  Rumex dentatus Lowell Ahart 2009-10-27 16492 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  CHSC102269  Rumex fueginus Lowell Ahart 2009-10-12 16428 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
  JEPS120355  Rumex occidentalis Jake Ruygt 1980-6-1 906 Napa Edgerley Island. Cuttings Wharf 7.5' Quad. Comment
  JEPS120316  Rumex salicifolius Jake Ruygt 1992-7-7 3074 Napa Alston Park near north side of park. Napa 7.5' Quad. Comment
  UCD108442  Rupertia physodes Collector unknown 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  UCD108460  Rupertia physodes M. Wiesendanger 1927-5-4 698 Napa Monticello-Napa Rd. Comment
  UCD39196  Rupertia physodes Beecher Crampton 1953-5-19 1301 Napa 9 miles east of Rutherford. Along Hwy. 128. Comment
  UCD54295  Saccharum ravennae Jeffrey L. Firestone 2004-7-14 1 Napa McLaughlin Reserve; precisely at the intersections of Sections 1,2,11,12 of Range 5W, Township 11N. Alternately near waterline of holding ponds at western base of site 5 waste rockpile, to the southwest of the Homestake main pit and the former Manhattan mine site. Comment
  CAS-BOT-BC108661  Salix breweri M. S. Jussel 1931-4-19 s.n. Napa Pope Valley 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
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Jul 22 2018
  RSA90537  Salix breweri Milo S. Baker 1931-4-2 5127 Napa 7 miles from Pope Valley Store on road to Middletown. Comment
  POM202753  Salix exigua I. L. Wiggins 1932-3-12 5755 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  CAS-BOT-BC108192  Salix hindsiana H. L. Mason 1926-3-14 2719 Napa Along stream in grove, Mount St. Helena Comment
  CAS-BOT-BC108199  Salix hindsiana Peter H. Raven 1951-6-26 3045 Napa Sarco Ck. E of Napa 60 Comment
  CAS-BOT-BC539356  Salix laevigata Jake Ruygt 2008-4-24 5304 -c Napa Soscvol Creek at Hwy 29 19 Comment
  CAS-BOT-BC107049  Salix lasiolepis C. R. Ball; H. E. Parks 1931-2-17 17 a Napa One mile northwest of Calistoga Comment
  JEPS13832  Salix lasiolepis Willis L. Jepson 1903-9-6 2346 Napa St. Helena; Napa River Basin Comment
  UC482320  Salix lasiolepis C. R. Ball and Harold E. Parks 1931-2-17 17 b Napa 1 mi nw Calistoga (in shallow arroyo) Comment
  UC726994  Salix lasiolepis A. A. Heller 1900-3-18 5097 Napa near Santa Rosa; Santa Rosa Creek Comment
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May 1 2014
  UCD164808  Salix lasiolepis Jake Ruygt 2007-2-18 5118 Napa Moore Creek. Las Posadas State Forest. 362 Comment
  UCD164809  Salix lasiolepis Jake Ruygt 1979-3-8 441 Napa 2.4 miles NW of Browns Valley Rd. On Redwood Rd. 109 Comment
  CAS-BOT-BC124418  Salix lasiolepis var. lasiolepis C. R. Quick; J. A. Vogtmann 1933-3-2 s.n. Napa Chiles Valley, Rutherford to Monticello, 10 miles from Monticello Comment
  UCD170679  Salvia columbariae 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UC634916  Salvia sonomensis H. L. Mason 1926-3-22 2795 Napa from Calistoga to Petrified Forest Comment
  JEPS45502  Sanguisorba minor subsp. muricata W. L. Jepson 1908-5-23 3007 Napa St. Helena; Sunkler Ranch Comment
  UCD48512  Sanicula bipinnatifida A. Van Houtte; E. Leger and C. Hohn 2001-4-14 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; NE-facing bank upslope of ruined cabins, between the stock pond and the W side of Decker Canyon Rd. 152 Comment
  UCD83722  Sanicula bipinnatifida Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 1 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 185 Comment
  SBBG5259  Sanicula bipinnatifida H. and M. Dearing 1939-3-2 3255 Napa near Napa Comment
  UCD14928  Sanicula bipinnatifida Jumi Takeda 1977-4-24 39 Napa 6.4 miles southwest of Monticello Dam, beside Highway 128. 182 Comment
  UCD117806  Sanicula crassicaulis Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Along dirt road that goes northeast of fire station. In field on south side of road. 519 Comment
  UCD48494  Sanicula crassicaulis Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 5 Napa Quail Ridge Reserve, Decker Canyon, along South Decker Canyon Rd., N of jct with Cut Off Rd., S or jct with North Decker Cayon Rd., W side of road. 152 Comment
  UC642309  Sanicula tuberosa Joseph P. Tracy 1933-4-30 12097 Napa 5 mi e of Angwins (at head of Moore's Creek, Howell Mountain); Howell Mountain, Moore's Creek 396 Comment
  UCR43102  Sanicula tuberosa L. F. LaPre 1986-5-6 s.n. Napa Inner North Coast Ranges, Cedar Creek, 3.5 mi SW of Knoxville & c. 0.5 mi (air) west of Devilhead Road at the junction of the creek & a dirt road 550 Comment
  JEPS967  Sanicula tuberosa Willis L. Jepson 1893-4-24 14192 Napa e of St. Helena (Napa River Basin); Napa River Basin Comment
  UCD128041  Sanicula tuberosa G. L. Webster 1967-3-23 7497 Napa vicinity of Bear Flat, north of Red Mountain. 213 Comment
  JEPS43520  Saxifraga californica Willis L. Jepson 1893-5-2 13478 Napa summit of New Pope Valley Grade (at Pinnacles Calistoga); Napa River Basin, New Pope Valley Grade Comment
  RSA0054872  Scandix Keith E. Hoffmaster 1939-4-6 905 Napa Putah can. Comment
  UCD128070  Scandix pecten-veneris G. F. Hrusa; S. Larson 1995-4-10 12062 Napa Along Chiles Valley/Pope Valley Rd. approx. 2 m. S of Pope Canyon Rd. intersection. North Coast Biodiversity Arena. 175 Comment
  UCD17968  Scandix pecten-veneris Ellen Dean; Kate Mawdsley 2001-4-9 687 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  CAS-BOT-BC283613  Schedonorus pratensis Peter H. Raven 1951-6-24 3001 Napa Napa 30 Comment
  CDA11595  Scirpus fluviatilis G. F. Hrusa, S. Larson 1995-4-1 12061 Napa North Coast Biodiversity Arena; Along Pope Canyon Rd. approx. 1 m. E of intersection of Pope Valley-Chiles Valley Rd. and Pope Canyon Rd. Comment
  JEPS121361  Scirpus koilolepis Jake Ruygt 1989-5-9 2311 Napa American Canyon, Avilla Ranch. Comment
  JEPS106749  Scleranthus annuus subsp. annuus Jake Ruygt 1993-5-1 3231 Napa Cedar Creek Rd. at Cedar Creek. 548 Comment
  CAS-BOT-BC240026  Scribneria bolanderi John Thomas Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  HSC10894  Scribneria bolanderi J. T. Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  JEPS110740  Scrophularia californica subsp. floribunda Jake Ruygt 1981-4-22 998 Napa American Canyon east of Flosden Rd. 18 Comment
  JEPS112642  Scutellaria californica Jake Ruygt 1979-6-30 726 Napa Trefethen, east of Carell Lane in low hills 182 Comment
  UCD19916  Scutellaria californica E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 772 Napa Quail Ridge Reserve. SW corner of Lake Beryessa, along South Decker Canyon Road, S of junction with Cut-off Road. 176 Comment
  UC1562603  Scutellaria siphocampyloides Barbara Ertter with Annetta Carter 1989-5-28 8504 Napa 4.7 mi s of Knoxville tunnel (Berryessa-Knosxville Road n of Lake Berryessa, along Eticuera Creek); Eticuera Creek 304 Comment
  CDA11429  Scutellaria tuberosa G. F. Hrusa, M. Tu 1995-5-6 12152 Napa North Coast Biodiversity Arena; Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  SFV12213  Sedella pumila W. R. Russell 1967-5-10 s. n. Napa Just north of Soscol House restaurant, about 2 miles south of Napa State Hospital on State Highway 29. Comment
  CAS-BOT-BC63832  Sedum spathulifolium Carl B. Wolf 1928-5-3 1837 Napa Base of Mt. St. Helena Comment
  UCD170373  Sedum spathulifolium Daniel Potter; N Khuu, K Battenberg 2016-4-30 871 Napa Knoxville Wildlife Area, along Nevada Creek. 220 Comment
  SEINET12216917  Sedum spathulifolium F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -313 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 780 Comment
  UCD19298  Selaginella James French 1970-4-17 s.n. Napa State Hwy 121, 7 mi. NE of Napa. Comment
  CAS-BOT-BC69713  Selaginella wallacei John Thomas Howell 1926-3-21 1737 Napa Old toll road to Mt. St. Helena. Comment
  JEPS103971  Selaginella wallacei Jake Ruygt 1994-3-19 3326 Napa Top of the Palisades. 716 Comment
  UC2061491  Selaginella wallacei D. G. Kelch 2012-8-4 12 .253 Napa Above California Veteran's Home. Comment
  UCD164819  Selaginella wallacei Jake Ruygt 2013-6-10 5913 Napa Archer Taylor Preserve, Devil's Canyon. 487 Comment
  UCR254842  Selaginella wallacei Greg de Nevers 1998-2-16 11137 Napa North Coast Range, Devils [Punchbowl] Falls [Bell Canyon Creek near Angwin] 320 Comment
  HSC104394  Selaginella wallacei J. French 1969-2-15 Napa Along State Hwy. 121, 7 mi. NE of Napa Comment
  CAS-BOT-BC363357  Senecio aronicoides Peter H. Raven 1951-5-20 2857 Napa Hills w. Oakville 548 Comment
  RSA150721  Senecio clevelandii P. H. Raven 1962-5-31 17921 Napa 1.5 miles south of Knoxville Comment
  UCR66508  Senecio eurycephalus Thomas W. Nelson, J. P. Smith, Jane P. Nelson, et al. 1976-4-12 2348 Napa along Morgan Valley Rd. c. 1.5 mi east of Lake Co. line 633 Comment
  RSA293005  Senecio eurycephalus Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 736 Napa Mt. Sant Helena; along the road on the south facing slope of the mountain. Comment
  RSA292916  Senecio greenei Reino Alava 1957-5-30 988 Napa 4.2 miles (four and 2 tenths of a mile) north of the junction of Highways 37 and 128, on State Highway 128. Comment
  UCD18018  Senecio vulgaris Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 563 Napa Napa County. McLaughlin Reserve. Along Knoxville -- Berryessa Rd., just NW of jct. with Devil Head Rd. N side of Knoxville -- Berryessa Rd. 426 Comment
  UCD160750  Sidalcea Ellen Dean 2015-5-23 8802 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 207 Comment
  UC146121  Sidalcea diploscypha J. P. Tracy 1902-5-21 1576 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); head of Moore's Creek, Howell Mountain, e of Angwin's 365 Comment
  UCD81824  Sidalcea diploscypha Ellen Dean 2009-4-24 5451 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UC871440  Sidalcea diploscypha M. S. Jussel 1937-5-23 Napa Mt. St. Helena Comment
  JEPS110707  Sidalcea hartwegii Jake Ruygt 1998-7-18 4099 Napa Bear Valley at pond. 646 Comment
  JEPS110708  Sidalcea hartwegii Jake Ruygt 1989-6-6 2364 b Napa 4.5 miles north of Monticello Rd. on Atlas Peak Rd. 448 Comment
  RSA195296  Sidalcea hartwegii Gilbert Muth 1967-5-17 674 Napa Oat Hill Road, Calistoga 244 Comment
  JEPS117023  Sidalcea keckii David Gowen 2008-5-14 918 Napa Berryessa Knoxville Rd. ca. 4.5 miles south of Knoxville Tunnel, near milepost 29. Clayey slopes above west side of Eticuera Creek. 320 Comment
  JEPS122722  Sidalcea keckii Jake Ruygt 1976-4-25 30 Napa 23.5 miles north of Pope Canyon Road on Berryessa-Knoxville River. Quad: Jericho Valley Comment
  JEPS50076  Sidalcea keckii W. L. Jepson 1920-5-25 9041 Napa Knoxville Ridge Knoxville Ridge (ne Napa Co.) Comment
  JEPS50940  Silene antirrhina W. L. Jepson 1896-6-2 Napa St. Helena , St. Helena (Napa Valley) Comment
  RSA92932  Silene antirrhina P. H. Raven 1951-6-6 3056 Napa Wooden Valley Grade. 305 Comment
  RSA14164  Silene californica Rimo Bacigalupi, I. L. Wiggins, R. S. Ferris 1933-6-2 6673 Napa 10 miles from Pacific Union College on Howell Mt. - Middletown road. Comment
  UC1300953  Silene californica Helen K. Sharsmith 1962-6-3 5107 Napa Napa-Soda Springs Road San Francisco Bay Region, Napa-Soda Springs Road 152 Comment
  UCD18134  Silene gallica Jean Shepard; with PLB 102 class 2000-4-29 183 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
  UCD47957  Silene gallica R. Brush; A. Atamian, C. Owens, S. Olmsted, M. Furuyama 2000-4-29 10 Napa The border of Yolo and Napa Counties, McLaughlin Reserve one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burn area (burned Oct 1999). 640 Comment
  CAS-BOT-BC388148  Silene gallica Doris K. Kildale 1928-5-8 5052 Napa 1/2 mile from Napa Solano County line, on road to Vacaville. Comment
  UC465687  Silene gallica C. F. Sonne April 1888 2176 Napa Comment
  UCD74405  Sinapis arvensis Jake Ruygt 1999-7-3 4190 Napa Napa College, road north of tennis courts. 3 Comment
  UCD74404  Sisymbrium orientale Jake Ruygt 2000-5-17 4260 Napa Devilhead Rd. at top of first grade. 493 Comment
  SEINET3876398  Sisyrinchium bellum J. F. Addicott 1965-3-19 6 Napa Dollarhide Road, 3.5 miles east of Pope Valley.; 0 183 Comment
  SEINET7072564  Sisyrinchium bellum A. G. Vestal 1963-5-12 s.n. Napa Howell Mountain Road. Coordinate datum: NAD 27. UTM Zone 10, 548701mE, 4271193mN. Comment
  UCR47042  Sisyrinchium bellum J. Nevin 1987-4-12 01 Napa Coast Range, Napa. East end of Brown's Valley, 1 mi on Buhman Ave. from Brown's Valley Road 61 Comment
  SEINET4171098  Sisyrinchium douglasii Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15090 Napa Under Chaparral, 20 miles north of Napa Comment
  JEPS122676  Sium suave Jake Ruygt 1979-7-3 732 Napa Napa River south of Trancas St. Quad: Napa. Comment
  CDA29790  Solanum americanum M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 219 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  UCD126989  Solanum parishii R. L. Smith 1948-5-7 s.n. Napa Pope Valley. Comment
  JEPS47332  Solanum umbelliferum L. R. Heckard and R. Bacigalupi 1965-5-15 1460 Napa about 5 mi s of Knoxville ( along Nevada Creek); Nevada Creek 304 Comment
  JEPS7819  Solanum umbelliferum Peter H. Raven 1952-5-31 4159 Napa on Rector Creek Rector Creek 121 Comment
  UC565385  Solanum umbelliferum M. Elsie Osgood 1937-4-19 Napa hill 7 mi e of Napa (on the road to Monticello) Comment
  NY820402  Solanum xanti L. Constance 1938-3-27 2039 Napa In the Howell Mountains, 5 miles east of Napa, North Coast Ranges 457 Comment
  CAS-BOT-BC365093  Solidago velutina subsp. californica Peter H. Raven 1951-8-21 3872 Napa Mt. Veeder 762 Comment
  JEPS18729  Soliva sessilis Willis L. Jepson 1893-5-8 14874 Napa Howell Mt. grade below New Eden; Napa River Basin, Howell Mt. Comment
  CDA29133  Sonchus asper D. G. Kelch, Daniel Weinstein 2009-6-21 9 .447 Napa Near Skyline Park. Comment
  UCD159925  Sonchus oleraceus Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  CAS-BOT-BC374657  Sonchus oleraceus Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  CAS-BOT-BC235282  Sorghum bicolor J. H. Thomas 1960-8-29 8835 Napa About 1 mile north of Calistoga along highway number 53 Comment
  RSA0098485  Spergularia macrotheca var. longistyla Rimo C. Bacigalupi 1926-3-27 1254 Napa Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
  UCD18143  Spergularia rubra Jean Shepard; with PLB 102 class 2000-4-29 194 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
  SEINET9352740  Stachys albens Unknown 1976-8-8 13 Napa Napa County 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
  UC35826  Stephanomeria virgata subsp. pleurocarpa Willis L. Jepson 1893-9-23 Napa Upper Napa Valley Napa River Basin Comment
  JEPS122973  Stipa lepida Jake Ruygt 1986-4-26 1729 Napa East of Wragg Canyon Resort, Blue Ridge. Quad: Mt. Vaca. Comment
  JEPS122968  Stipa pulchra Jake Ruygt 1983-3-26 1391 Napa 0.2 mile east of Conn Creek on Conn Valley Road. Quad: Saint Helena. Comment
  UCD74403  Streptanthus barbiger Jake Ruygt 2007-6-23 5239 Napa Spring Mtn. Rd. across from York Creek Dam. 195 Comment
  CAS-BOT-BC61248  Streptanthus breweri David D. Keck 1933-5-29 2369 Napa Pope Creek bridge south of Walters Springs. Comment
  UC956513  Streptanthus breweri Freed W. Hoffman 1947-6-18 1046 Napa at bridge over Pope Creek North Coast Ranges, Walter Springs Comment
  UCD115954  Streptanthus breweri Robert E. Preston 1987-6-20 567 Napa 0.75 mile north of Round Corral in Big Basin. 268 Comment
  JEPS123293  Streptanthus breweri var. breweri David Gowen 2009-6-18 1070 Napa Along pope canyon Road, north of Cedar Roughs, just east of where Pope Creek crosses from north to south of road. Comment
  UC1198805  Streptanthus breweri var. hesperidis Joseph P. Tracy 1899-7-6 407 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  UCR51812  Streptanthus glandulosus J. T. Howell 1931-4-19 6453 Napa Coast Range, Conn Valley 183 Comment
  POM197071  Streptanthus glandulosus L. F. Robbins 1927-4-15 s.n. Napa [no locality information provided] Comment
  UCD13243  Streptanthus glandulosus Glenn Greenleaf 1974-5-9 22 Napa California: Napa Co. Along state hwy 29, 7.4 mi N of jct with Silverado trail. T9N, R6W, Sec. 1, SW 1/4. Elev. 784 m. 784 Comment
  CAS-BOT-BC87153  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1940-5-19 15453 Napa Upper Saint Helena Creek. Comment
  CAS-BOT-BC87158  Streptanthus glandulosus subsp. glandulosus David D. Keck 1933-5-29 2370 Napa Pope Creek Bridge, south of Walters Springs. Comment
  UC956575  Streptanthus glandulosus subsp. glandulosus Freed W. Hoffman 1949-5-10 2776 Napa along pipeline about 2 mi below Conn Dam; North Coast Ranges Comment
  UCD18076  Streptanthus glandulosus subsp. glandulosus Ellen Dean; with Plant Biology 102 class 2000-4-22 632 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
  UCD81180  Streptanthus glandulosus subsp. glandulosus Roger Willmarth; A. Fulks 2009-4-10 s. n. Napa Inner North Coast Range along Napa/Yolo County border. Blue Ridge on the east side of Lake Berryessa, north of Green Canyon. 487 Comment
  UCD161644  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2005-6-1 4894 Napa Blue Ridge, about 1 mile north of Mays Flat. 396 Comment
  UCD170467  Streptanthus hesperidis Daniel Potter; Ninh Khuu 2016-6-18 896 Napa Above upper Zim Zim Creek drainage east of Knoxville-Devihlead Road, just north and east of Knoxville Wildlife Area boundary. 557 Comment
  CAS-BOT-BC87392  Streptanthus morrisonii Lawrence LaPre' 1985-4-25 s.n. Napa Rare Plant Canyon, a tributary of Hunting Creek from the east, 2 miles southwest of the site of Knoxville. 365 Comment
  UCD164730  Streptanthus morrisonii Jake Ruygt 2014-6-14 6010 Napa Livermore Ranch, NW of Cornona Mine. 667 Comment
  UC1292728  Streptanthus vimineus Freed W. Hoffman 1948-6-6 2329 Napa St. Helena Reservoir, Spring Mt. road Comment
  UCD38863  Symphoricarpos albus var. laevigatus Beecher Crampton 1962-10-9 6703 Napa 1.25 miles southwest Angwin. Comment
  CAS-BOT-BC97741  Symphyotrichum chilense Alice Eastwood; John Thomas Howell 1939-6-11 7419 Napa Hood Mt. Range sw. of Oakville Comment
  JEPS104532  Symphyotrichum spathulatum Jake Ruygt 1978-8-7 390 Napa .3 miles west of Big Ranch rd. on Oak Knoll Ave. 22 Comment
  JEPS104575  Symphyotrichum spathulatum Jake Ruygt 1981-8-23 1089 Napa 1 mile south of Yountville on HWY 29 22 Comment
  JEPS40796  Symphyotrichum spathulatum W. L. Jepson 1893-9-21 Napa Wooden Valley Comment
  JEPS129144  Tetragonia tetragonoides Jake Ruygt 1980-3-27 819 Napa Napa Valley Garbage disposal site. Cuttings Wharf 7.5' Quad. Comment
  UC1196169  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1902-5-21 1587 Napa along creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 304 Comment
  UC9679  Thalictrum fendleri var. polycarpum Willis L. Jepson 1894-5-1 Napa Upper Conn Valley Napa River Basin Comment
  UC16393  Thermopsis californica var. californica Willis L. Jepson 1893-4-27 Napa Napa City Comment
  UCD108634  Thermopsis californica var. californica M. Wiesendanger 1927-5-4 689 Napa Monticello-Napa Rd. Comment
  UCD159727  Thermopsis californica var. californica G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Redwoods. Comment
  HSC43989  Thermopsis macrophylla Robert M. Specht 1977-4-13 650 Napa 524 Comment
  CAS-BOT-BC66478  Thysanocarpus curvipes John Thomas Howell 1930-3-23 4573 Napa Mount Saint Helena, 5 miles from Calistoga. Comment
  CAS-BOT-BC66481  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6066 Napa Wooden Valley Grade 5 miles east of Napa. Comment
  CAS-BOT-BC66493  Thysanocarpus curvipes David D. Keck 1931-4-2 1036 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  CAS-BOT-BC66498  Thysanocarpus curvipes M. S. Jussel 1931-4-19 s.n. Napa Pope Valley. Comment
  CAS-BOT-BC66501  Thysanocarpus curvipes Peter H. Raven 1950-4-15 1748 Napa Wooden Valley Grade, above Napa. 457 Comment
  CHSC43429  Thysanocarpus curvipes Lowell Ahart 1976-3-7 1028 Napa About 2 miles south-west of Monticello Dam. 152 Comment
  JEPS106592  Thysanocarpus curvipes Jake Ruygt 1980-5-3 863 Napa .2 miles west of Butts Canyon Rd. on Aetna Springs Rd. 216 Comment
  SEINET7073051  Thysanocarpus curvipes A. G. Vestal 1963-4-8 s.n. Napa Napa Valley on Route 128 just southeast of the turn off to Pope Valley (Deer Park Road). UTM Zone 10, 544932mE, 4263019mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC66510  Thysanocarpus curvipes John H. Thomas 1968-4-4 14275 Napa About 2 miles east of Rutherfor along Highway 128. Comment
  UC11005  Thysanocarpus curvipes Willis L. Jepson 1893-4-28 Napa Napa City; Napa River Basin, Napa City Comment
  POM216228  Thysanocarpus curvipes var. curvipes D. D. Keck 1933-5-29 2352 Napa Pope Creek bridge south of Walters Springs. Comment
  CAS-BOT-BC67313  Thysanocarpus radians John Thomas Howell 1931-4-2 6107 Napa 4 miles from Monticellos on Wooden Valley Road, Napa Range. Comment
  JEPS18244  Tonella tenella Peter H. Raven 1957-5-5 10763 Napa w edge Calistoga 182 Comment
  UCD149580  Torilis arvensis 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
  UC17923  Toxicodendron diversilobum Willis L. Jepson May, 1893 Napa near St. Helena St. Helena; Napa R. Basin Comment
  UC869555  Toxicodendron diversilobum Alice Eastwood 1922-5-4 11256 Napa Calistoga Comment
  UCD117068  Toxicodendron diversilobum Stephen E. Willeford 1964-5-1 7 Napa East of highway, Putah Creek Drainage, 3 miles south of junction of State Highways 128 and 37. [37 was what is now called 121; assume this was traveling SW along 128 from junction] 182 Comment
  UCD139849  Toxicoscordion fremontii R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  UCD48799  Toxicoscordion fremontii A. Collier; D. Caterson and S. Kenady 2002-5-4 16 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. 335 Comment
  JEPS36858  Tragopogon porrifolius W. L. Jepson 1923-6-3 9980 Napa Napa Comment
  CAS-BOT-BC220991  Trichostema Jake Ruygt 2004-8-7 4640 Napa Green Valley Ranch near Solano County line 316 Comment
  SEINET9366903  Trichostema lanceolatum Unknown 1997-8-17 Napa Pope Valley Comment
  JEPS63144  Trichostema laxum W. L. Jepson 1938-9-24 19024 Napa canyon of Limekiln Creek, N of Pope Valley 304 Comment
  UCD18105  Trichostema laxum K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 41 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  JEPS104711  Trichostema laxum John L. Morrison 1936-9-20 1940 Napa W of Knoxville (Knoxville Mines) Comment
  UCD125870  Trichostema laxum D. H. Hartmann 1941-8-19 s.n. Napa Putah Creek, Putah Canyon. Comment
  UCD125871  Trichostema laxum G. F. Hrusa; Dave Ragan 1988-9-4 5704 Napa Butts Creek, near Lake-Napa County lines. Comment
  JEPS108655 Image available Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa Mead Ranch, Atlas peak Road, south of Foss Valley 481 Comment
  JEPS120347  Trichostema ruygtii Jake Ruygt 2004-9-18 4666 Napa Soda Springs Road, 0.3 mile east of Soda Canyon Road. Yountville 7.5' Quad. Comment
  RSA731087  Trichostema ruygtii Jake Ruygt 2004-8-7 4640 Napa Green Valley Ranch near Solano County line. 317 Comment
  UC22514  Trientalis latifolia Willis L. Jepson 1893-5-8 Napa Napa River Basin, Howell Mountain, New Eden New Eden; Napa River Basin, Howell Mountain, New Eden Comment
  UC22513  Trientalis latifolia Willis L. Jepson 1893-5-9 Napa Napa River Basin, [Nibaum's Dam] Napa River Basin Comment
  UC1925875  Trifolium Ethel Crum 1931-1 1065 Napa Pope Valley Comment
  JEPS126091  Trifolium albopurpureum Jake Ruygt 1995-4-29 3451 Napa Skyline Park, Sugarloaf Peak Trail. Mount George 7.5' Qua. Comment
  UCD111351  Trifolium albopurpureum Beecher Crampton 1954-4-26 1786 Napa 2 miles SE of Monticello. Comment
  UC924218  Trifolium albopurpureum var. albopurpureum H. S. Reed 1939-4-16 234 Napa Napa Hills Comment
  UC1925904  Trifolium albopurpureum var. dichotomum Ethel Crum 1931-1 1068 Napa Near Aetna and Butts Canyon Roads. Comment
  UC85329  Trifolium amoenum Michener and Bioletti May 1891 Napa Napa Junction Comment
  JEPS106693  Trifolium barbigerum var. barbigerum Jake Ruygt 1986-4-14 1704 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 448 Comment
  JEPS106695  Trifolium bifidum var. bifidum Jake Ruygt 1996-4-12 3599 Napa Blue Ridge, north of Monticello Dam. 524 Comment
  RSA91562  Trifolium bifidum var. decipiens Unspecified 1931-4-2 6093 Napa 10 miles east of Napa on road to Monticello, Napa Range. Comment
  JEPS106828  Trifolium depauperatum var. hydrophilum Jake Ruygt 1982-4-29 1215 Napa Suscol plain between Rocktram and HWY 29 (221) 1 Comment
  JEPS95202  Trifolium depauperatum var. hydrophilum Jake Ruygt 1982-4-7 1173 Napa between Rocktram and Hwy 29 (221) Suscol Plain Comment
  JEPS106827  Trifolium depauperatum var. truncatum Jake Ruygt 1983-4-10 1415 Napa Suisun Creek Trail near HWY 121 242 Comment
  JEPS65737  Trifolium depauperatum var. truncatum W. L. Jepson 1915-4-23 6244 Napa Conn Valley Napa Range Comment
  UC917166  Trifolium depauperatum var. truncatum D. C. Finfrock 1950-4-6 21 Napa 14 mi from Monticello (Mountain meadow); Pope valley Comment
  RSA91544  Trifolium dichotomum J. T. Howell 1931-4-19 6448 Napa Conn Valley. Comment
  UCD48978  Trifolium dubium S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 8 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
  POM18838  Trifolium fucatum var. fucatum C. F. Baker 1981 Napa Calistoga. Comment
  RSA617194  Trifolium glomeratum A. C. Sanders 1996-6-1 18194 Napa Southeast edge of town at Skyline Park, east end of Imola Road East. 90 Comment
  JEPS129081  Trifolium hydrophilum Jake Ruygt 2016-4-18 6194 y Napa South end Meridian Road, Fairfield. Comment
  UCD167165  Trifolium microcephalum Jake Ruygt 2015-4-20 6070 Napa Fernandes/ Land Trust, Snell Peak area. 319 Comment
  UCD111441  Trifolium microcephalum P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  JEPS129162  Trifolium microdon Jake Ruygt 2015-3-28 6058 Napa Upper Bohn Lake. Aetna Springs 7.5' Quad. Comment
  CDA10894  Trifolium oliganthum G. F. Hrusa, M. Rejmanek 1993-5-15 10989 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC160980  Trifolium oliganthum Joseph P. Tracy 1902-5-18 1540 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  JEPS129145  Trifolium subterraneum Jake Ruygt 1978-4-30 283 Napa 0.1 mile south of Oak Knoll Avenue on Silverado Trail. Napa 7.5' Qua. Comment
  JEPS106717  Trifolium tomentosum Jake Ruygt 1979-4-11 501 Napa .2 mile west of Suscol Ave. on Imola Ave 6 Comment
  UCD170428  Trifolium tomentosum Daniel Potter; Daniel McNair 2016-4-23 921 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  JEPS106718  Trifolium variegatum Jake Ruygt 1978-4-9 273 b Napa 2.2 miles NW of Dealy Lane on Henry Rd. 97 Comment
  UC1103450  Trifolium variegatum var. variegatum Joseph P. Tracy 1903-5-22 1884 Napa on Eel River (Alder Point); Northern Coast Ranges 152 Comment
  CDA10893  Trifolium willdenovii G. F. Hrusa, M. Rejmanek 1993-5-15 10988 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CDA31273  Trifolium willdenovii D. G. Kelch 2010-5-6 10 .184 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD33552  Trifolium willdenovii Beecher Crampton 1969-10-14 8522 Napa Napa County, 1.5 miles west of Monticello Dam on Hwy. 128. Comment
  JEPS4379  Trifolium willdenovii Willis L. Jepson 1893-4-27 13674 Napa near Yountville; Napa River Basin Comment
  UCD20029  Trifolium willdenovii C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1209 Napa Junction of Glass Mountain Road and Silverado Trail. Comment
  CAS-BOT-BC451905  Triglochin maritima John Thomas Howell 1932-10-8 10810 Napa At Cuttings Wharf on Napa River Comment
  UC441318  Triglochin maritima C. F. Sonne April 1887 1760 Napa Napa Comment
  JEPS113977  Trillium albidum Jake Ruygt 2003-4-5 4489 Napa Mount George, Foote Preserve, Sarco Creek. Mount George 7.5' Quad. Comment
  JEPS113978  Trillium chloropetalum Jake Ruygt 1994-3-19 3328 Napa In canyon between Little Bear Valley and Bear Valley. Detert Reservoir 7.5' Quad. Comment
  SEINET3991301  Trillium chloropetalum Unknown 1950-4-15 1734 Napa Shaded canyon in chaparell, Monticello Road (Wooden Valley "illegible word") above Napa 305 Comment
  CAS-BOT-BC521018  Trillium chloropetalum var. giganteum Elsa G. Ruckert 1960-3-26 43 Napa 6495 Dry Creek Road; Field to right of private road leading into property. 365 Comment
  JEPS113980  Trillium ovatum subsp. ovatum Jake Ruygt 1997-3-23 3816 Napa Devil's Canyon, about 1/2 mile upstream Taylor picnic area. Sonoma 7.5' Quad. Comment
  JEPS106582  Triodanis biflora Jake Ruygt 1987-6-5 2028 Napa Wild Horse Valley Ranch near White Creek 402 Comment
  JEPS10402  Triphysaria eriantha subsp. eriantha W. W. Mott 1915-4-26 Napa hills sw Napa (Napa); , hills sw Comment
  UCD78099  Triphysaria pusilla Robert E. Preston 2005-3-10 2316 Napa Mouth of Long Canyon 312 Comment
  CDA11594  Triphysaria versicolor subsp. faucibarbata G. F. Hrusa, S. Larson 1995-4-1 12060 Napa North Coast Biodiversity Arena; Pope Canyon Rd. approx. 1 m. E of intersection of Pope Valley-Chiles Valley Rd. and Pope Canyon Rd. Comment
  UCD123425  Triphysaria versicolor subsp. faucibarbata M. Wiesendanger 1928-4-5 866 Napa Calistoga. Comment
  JEPS17095  Triphysaria versicolor subsp. faucibarbata Rimo Bacigalupi with John Dawson 1955-4-25 4840 Napa 4 mi s Napa State Hospital [Imola] (field 1/2 mi n of the Napa Y, State Highway No. 29 [junction of Jameson Canyon Road and State 29]); junction of Jameson Canyon road and State 29 19 Comment
  UC1301196  Triphysaria versicolor subsp. faucibarbata Helen K. Sharsmith 1963-4-20 5356 Napa Wooden Valley; San Francisco Bay Region 213 Comment
  UC397022  Triteleia Dr. Goodspeed Jun 1929 Napa near Napa Comment
  RSA134117  Triteleia laxa John H. Thomas 1955-5-21 5150 Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 168 Comment
  SEINET3889044  Triteleia laxa Daphne K. Christopher, Hannah I. Stevens; M. Bibbo 2003-4-12 147 Napa Uc Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation.; 0 166 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
  UCD48277  Triteleia laxa R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 18 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  CAS-BOT-BC526511  Triteleia laxa Elsa G. Ruckert 1960-5-20 157 Napa 6495 Dry Creek Road 365 Comment
  UCD139379  Triteleia laxa Alan P. Godlewski 1974-5-3 10 Napa west of Lake Berryessa, 800 yards from Highway 128. Comment
  UCD139404  Triteleia laxa Eric S. Nagy 1990-4-15 2 Napa NW shore of Lake Berryessa, Berryessa Knoxville Road mile marker 16.25. Comment
  UC1561245  Triteleia peduncularis Barbara Ertter with Annetta Carter 1989-5-28 8515 Napa 2 mi se Lake Co. line (on Berryessa Rd., near Knoxville) 609 Comment
  UCD169874  Triteleia peduncularis Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 809 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 427 Comment
  CAS-BOT-BC91195  Umbellularia californica C. B. Wolf 1928-2-25 1500 Napa Summit of Mount Saint Helena at Mount Saint Helena Inn. Comment
  CAS-BOT-BC381967  Uropappus lindleyi John H. Thomas 1958-4-19 7115 Napa About 2 miles SW of Oakville 152 Comment
  UCD170678  Uropappus lindleyi 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  CAS-BOT-BC404189  Urtica dioica subsp. holosericea Dennis W. Woodland 1970-8-13 1617 Napa Anguin Meadows just west of shopping center Comment
  CAS-BOT-BC526977  Urtica dioica subsp. holosericea Dennis W. Woodland 1970-8-13 1615 Napa About 100 yds E of bridge, a junction of Petrified Forest Road and Hwy 128, 1 mi N of Calistoga Comment
  CDA11154  Vaccinium ovatum G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11565 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa. above Sarco Creek. Comment
  JEPS120409  Vaccinium ovatum Jake Ruygt 1986-5-10 1757 Napa Devil's Canyon. Comment
  JEPS110893  Verbena lasiostachys var. lasiostachys Jake Ruygt 1988-6-4 2209 Napa south slope of Mt. St. Helena 694 Comment
  UC917283  Veronica persica M. R. Wanzer 1948-5-22 27 Napa 12.5 mi w of Winters (Putah Creek Canyon); Putah Creek Canyon Comment
  UCD148746  Viburnum ellipticum Jake Ruygt 1986-5-7 1752 Napa Napa County, Skyline Park. About 0.5 miles north of Lake Marie on fire trail. 213 Comment
  RSA195308  Vicia sativa Gilbert Muth 1967-4-28 652 Napa Spring Mountain Road, St. Helena. Comment
  JEPS106540  Vicia sativa subsp. nigra Jake Ruygt 1990-4-21 2501 Napa Giles Mead ranch, Atlas Peak Rd. 429 Comment
  UCD118136  Vicia sativa subsp. nigra Linnea Neuhaus; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCD108922  Vicia sativa subsp. nigra David Lawfer 1952-3-29 142 Napa Napa. Comment
  UCD167014  Vicia sativa subsp. nigra Jake Ruygt 1982-4-29 1207 Napa Suscol Plain east of Kaiser Steel. 4 Comment
  UCD116979  Vicia villosa Jillian Howard; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. Just NE of fire station along dirt road. 519 Comment
  UCD49042  Vicia villosa S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 15 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  UCD109152  Vicia villosa subsp. varia Helen K. Sharsmith 1963-4-20 5351 Napa East side Napa Range on Monticello Road above Wooden Valley. 243 Comment
  JEPS129143  Vinca major Jake Ruygt 1979-3-29 462 Napa Dry Creek, northeast corner Trefethen Vineyard. Napa 7.5' Quad. Comment
  HSC103466  Viola douglasii Thomas W. Nelson, Jane Nelson 1981-4-14 6397 Napa Along Morgan Valley Rd., ~ 1.5 mi. N of junction with Devil Head Rd., opposite Manhattan Mine. 579 Comment
  UCD15014  Viola douglasii Craig Homar 1977-4-8 7 Napa Along Berryessa-Knoxville Road, 34 miles west of Winters. Comment
  CDA11438  Viola glabella G. F. Hrusa, M. Tu 1995-5-6 12161 Napa North Coast Biodiversity Arena; Summit of Howell Mtn. in Las Posadas State Forest, vicinity of fire station. Comment
  SJSU11033  Viola lobata D. L. Blair 1968-4-5 Napa Pope Valley Comment
  CAS-BOT-BC537068  Viola lobata Peter H. Raven 1952-5-26 4046 Napa Howell Mt. 426 Comment
  CAS-BOT-BC537075  Viola lobata Carl B. Wolf 1928-5-3 1825 Napa Base of Mt. St. Helena Comment
  CAS-BOT-BC537082  Viola lobata L. R. Abrams 1928-5-3 12240 Napa Summit St. Helena Grade Comment
  RSA51299  Viola lobata Peter H. Raven 1950-4-15 1769 Napa Wooden Valley Grade above Napa. 701 Comment
  UC1761540  Viola lobata subsp. lobata Milo S. Baker Napa Comment
  UC796480  Viola lobata subsp. lobata Ira L. Wiggins 1949-4-30 12086 Napa e flank of Mount St. Helena 914 Comment
  UC1761398  Viola ocellata G. Douglas Barbe 1957-7-4 370 Napa 6.6 mi W of Napa (Redwood Rd., 0.6 mi NW of the Christian Bros. Mt. LaSalle School) Comment
  UC19342  Viola purpurea subsp. quercetorum Willis L. Jepson 1893-4-25