Search Results — 2000 specimen records retrieved (1493 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
  UCD54554  Acacia dealbata Ellen Dean 2005-10-12 2742 Napa W of town of Napa. N side of Partrick Rd. 1660 Partrick Rd. 236 Comment
  CAS-BOT-BC331522  Acer macrophyllum Elsa G. Ruckert 1960-3-13 25 Napa 6495 Dry Creek Road 365 Comment
  SFV8411  Acer macrophyllum G. L. Webster 1967-3-23 7486 Napa Along Chiles Creek about 1 mile SW Chiles Grist Mill, Pope Valley Road. At edge of stream. 137 Comment
  UC1543125  Acer macrophyllum Charlotte G. Nast 1936-3-27 49 Napa Putah Canyon Comment
  UCD17988  Acer macrophyllum Ellen Dean; with Plant Biology 102 class 2001-4-14 714 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along South Decker Canyon Rd., S of jct. with Cutoff Rd., near old homestead (bathtub, etc.). 259 Comment
  UCD117127  Acer negundo Loren Ruport 1996-4-28 25 Napa city of Napa, near Napa College. South of Kaiser Road and West of Highway 129. 5 Comment
  OBI17140  Achillea millefolium R. L. Hoover 1968-4-20 50 Napa On Howell Mtn Rd, 2.6 mi NE of State Rte 29/128, on E side of rd Comment
  UC165022  Achyrachaena mollis J. P. Tracy 1902-5-21 1601 Napa 3-4 mi e, at head of Moore's Creek Angwin's; Howell Mountain, Moore's Creek 426 Comment
  CAS-BOT-BC29757  Achyrachaena mollis David D. Keck 1931-4-3 1058 Napa 7 miles NW of monticello (1 mile above the mouth of Pope Creek) Comment
  UCD104055  Acmispon brachycarpus K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  UCD118567  Acmispon brachycarpus Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 8 Napa Las Posadas State Experimental Forest. NE of fire station ca. 0.1 mi. on undeveloped road on S side of road. 518 Comment
  UCD47970  Acmispon brachycarpus M. Carson; A. Haselby, J. Howard, P. Mayers 2000-4-29 5 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 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
  UCD149712  Acmispon parviflorus 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
  UCD81831  Acmispon parviflorus Ellen Dean 2009-4-24 5461 Napa Property at 600 Petrified Forest Road. 170 Comment
  CDA6754  Acroptilon repens B. E. Eaton 1971-7-7 Napa Dealy Lane, Napa. 0 Comment
  SEINET215111  Adenostoma fasciculatum Ben Henry 1973-5-5 30 Napa 2 miles above Monticello Dam on State Highway 128. Comment
  SEINET3077393 Image available Adenostoma fasciculatum Royal D. Suttkus 1967-6-26 67- 30 -38 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  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
  UCD48197  Adenostoma fasciculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 9 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD137059  Adiantum aleuticum G. F. Hrusa; G. L. Stebbins 1994-3-11 11591 Napa Las Posadas State Forest, Morre Creek. 400 Comment
  UCD137221  Adiantum jordanii R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  UCD137202  Adiantum jordanii G. F. Hrusa; G. L. Stebbins 1994-3-11 11593 Napa Las Posadas State Forest, south of Moore Creek. 500 Comment
  JEPS116552  Adiantum pedatum Jake Ruygt 2005-3-26 4711 Napa Marie Creek, below old dam. Mount George 7.5' Quad. Comment
  CDA7848  Aegilops triuncialis Robin Breckenridge 2008-5-5 PDR# 1313557 Napa DFG Preserve/Lake Berryessa, Eastside Rd. 0 Comment
  SEINET1908051  Aesculus californica Richard R. Halse 1989-1 3831 Napa Along State Hwy. 29, 2.7 miles north of Calistoga; on the Calistoga Grade 240 Comment
  UCD67507  Aesculus californica D. Sanchez-Mata 1996-6-5 s.n. Napa Lake Berryessa. Pope Canyon Road. 180 Comment
  JEPS110796  Agastache urticifolia Jake Ruygt 1989-6-17 2365 Napa Van Ness Canyon 585 Comment
  UCD19342  Agoseris grandiflora M. A. Bibbo; E. Dean 2001-7-6 35 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 2.6 air miles from jct. with S Decker canyon rd. In dry creek drainage just W of rd. 228 Comment
  CAS-BOT-BC29640  Agoseris grandiflora var. grandiflora Rimo Bacigalupi 1928-6-20 1863 Napa Howell Mt, 10 miles W of St Helena Comment
  CAS-BOT-BC29638  Agoseris grandiflora var. grandiflora Will Fottrell 1906-7-1 s.n. Napa Napa Comment
  CAS-BOT-BC22751  Agoseris heterophylla L. R. Abrams 1928-5-3 12228 Napa Saint Helena Grade Comment
  JEPS104535  Agoseris heterophylla Jake Ruygt 1996-5-13 3673 Napa Wontrop Wildlife Santuary, Hardin Road, Pope Valley 365 Comment
  JEPS18236  Agoseris heterophylla var. cryptopleura Peter H. Raven 1957-5-5 10744 Napa near the hot springs at the airport Calistoga 91 Comment
  JEPS36391  Agoseris heterophylla var. heterophylla Willis L. Jepson 1893-5-8 Napa near New Eden; Napa River Basin, Howell Mt. Grade Comment
  JEPS23679  Agoseris heterophylla var. heterophylla Willis L. Jepson 1893-1 Napa Napa River Basin; Napa River Basin, Upper Napa Valley Comment
  UC114099  Agrimonia gryposepala unknown 1888-1 Napa Howell Mt. Comment
  UCD37406  Agrostis exarata Beecher Crampton 1960-5-17 5536 Napa Napa County, 4 miles east of Rutherford. Comment
  UCD52311  Agrostis exarata Beecher Crampton 1965-7-7 7441 Napa N end of Capell Valley, Hwy. 128, above Capell Creek. Comment
  UCD52543  Agrostis exarata Beecher Crampton 1963-9-25 6905 Napa State Hwy. 37, west slope of Howell Mtns., east of Napa. Comment
  UCD32918  Agrostis exarata var. monolepis Beecher Crampton 1965-7-7 7441 Napa Napa County, north end of Capell Valley, Hwy. 128, above Capell Creek. Comment
  RSA128661  Agrostis hallii P. H. Raven 1950-6-20 2354 Napa Napa Range between Conn Valley and Howell Mountain Comment
  UCD38719  Agrostis hallii Beecher Crampton 1957-6-4 4109 Napa North end of Capell Valley. Comment
  UCD52699  Agrostis hallii Beecher Crampton 1953-5-19 1298 Napa Sonoma - Napa County Line: 5 miles west Calistoga, Hwy. 128. Comment
  UC187234  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Calistoga Hot Springs Northern Coast Ranges, Calistoga Hot Springs 91 Comment
  UCD53041  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  UCR146401  Agrostis microphylla Beecher Crampton 1954-6-25 2012 Napa Napa Valley, 3 miles south of Calistoga 99 Comment
  POM126110  Agrostis pallens Joseph P. Tracy 1904-5-23 2093 Napa Hills east of Calistoga 244 Comment
  RSA92953  Agrostis stolonifera P. H. Raven 1951-6-26 3049 Napa E. of Napa on Monticello Rd. 61 Comment
  HSC8860  Aira caryophyllea C. B. Wolf 1928-5-3 1809 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  CAS-BOT-BC138417  Aira caryophyllea var. capillaris Peter H. Raven 1953-5-2 5383 Napa Hill due east of Yountville. 243 Comment
  SACT000925  Aira danthonioides M. Wiesendanger 1927-5-4 Napa Comment
  JEPS123026  Aira elegans Jake Ruygt 1982-4-29 1214 Napa Suscol plain east of Kaiser Steel, west of Highway 29 (221). Quad: Napa. Comment
  RSA335884  Allium amplectens D. W. McNeal 1977-5-18 2034 Napa 0.2 mile SE of the junction of Lower Chiles Valley Road. Comment
  CAS-BOT-BC461085  Allium amplectens Lester Rowntree 1938-5-16 s.n. Napa Alta Peack [Atlas Peak?], near Napa Comment
  JEPS47554  Allium amplectens W. L. Jepson 1938-6-8 18904 Napa Butts Canyon Comment
  CAS-BOT-BC466764  Allium cratericola Alice Eastwood 1923-5-9 s.n. Napa Old crater, Mt. St. Helena Comment
  CAS-BOT-BC471257  Allium falcifolium V. Handley 2015-4-25 41 Napa Knoxville BLM: 2.5 km from Devilhead Road. On slope above OHV track, originating at S end of Hunting Creek Campground, 50 m S of Hunting Creek 450 Comment
  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
  JEPS47613  Allium falcifolium Rachael Wilcox 1944-5-9 Napa Conn Valley Comment
  UC1133798  Allium falcifolium B. O. Schreiber 1938-4-24 2504 Napa 1/2 mi nw Knoxville; Reiff Quadrangle Comment
  UCD170807  Allium falcifolium 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
  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
  POM257226  Allium falcifolium J. Morrison, Annetta Carter 1938-4-24 1355 Napa 0.6 miles west of Knoxville on road from Monticello to Lower Lake. Comment
  SEINET8122132  Allium falcifolium M. J. Williams 1967-5-7 s.n. Napa Butts Canyon. 244 Comment
  SEINET8122134  Allium falcifolium W. Roderick 1967-5-7 s.n. Napa Butts Canyon. 457 Comment
  UC1299308  Allium falcifolium Freed W. Hoffman 1947-3-20 870 Napa Hunting Creek, Napa-Lake county line North Coast Ranges, Hunting Creek Comment
  RSA123161  Allium fimbriatum var. fimbriatum B. O. Schreiber 1938-4-24 2507 Napa 1/2 mile northwest of Knoxville. 610 Comment
  CAS-BOT-BC472784  Allium neapolitanum Peter H. Raven 1957-5-5 10786 Napa Calistoga 91 Comment
  UCD48744  Allium serra S. Murphy; K. Keck and K. Dyer 2002-5-5 9 Napa Quail Ridge UC Reserve, northern tip of ridge, NE from the intersection of West and East roads ca. 250 m, N side of upper road leading to power lines and tip parcels, steep W-facing slope, ca. 10 m from road. 327 Comment
  UCD16031  Allium serra N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 24 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 2-2.5 dm tall, flowers light pink to lavendar. Comment
  NY452055  Allocarya piperi A. A. Heller 1902-4-25 5361 Napa Near Napa Comment
  UC23568  Allophyllum divaricatum Willis L. Jepson 1893-1 Napa Angwin's meadows Howell Mt.; Napa R. Basin, , Angwin's meadows Comment
  UCD169878  Allophyllum gilioides subsp. gilioides Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 718 Napa Knoxville Wildlife Area. 245 Comment
  RSA262367  Allotropa virgata Gilbert Muth 1971-5-20 1413 Napa 0.5 mile north on Ink Grade Road from Howell Mountain Road, Angwin. 518 Comment
  CAS-BOT-BC170678  Alnus rhombifolia Herman Knoche 1919-11-22 3068 Napa Laguna Resort. Napa Comment
  JEPS58606  Alnus rhombifolia E. L. Greene 1874-8-13 Napa Napa Valley Comment
  JEPS129105  Alopecurus pratensis Jake Ruygt 2016-4-12 6186 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  UCD147459  Alopecurus saccatus Ellen Dean; Diana Hickson 2014-4-29 8072 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  CHSC103017  Amaranthus albus Lowell Ahart 2009-10-12 16468 Napa 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
  JEPS54291  Amaranthus albus W. L. Jepson 1894-11-5 Napa St. Helena Comment
  UCD148561  Amaranthus californicus Jake Ruygt 1987-10-12 2098 Napa Napa County; Sage Canyon Rd., near edge of Lake Hennessey. 91 Comment
  UC1010754  Amaranthus californicus Peter H. Raven 1951-10-28 3944 Napa Conn Lake 152 Comment
  POM226226  Amaranthus powellii J. T. Howell 1933-9-17 11667 Napa North of Vallejo Comment
  JEPS85021  Amelanchier utahensis Larry Heckard and Mary Ashton 1969-5-3 2222 Napa 7 mi ne Napa (Mead Ranch, off Atlas Peak Rd, near entrance to Mead Ranch) 457 Comment
  JEPS115757  Ammannia robusta Lowell Ahart 2009-10-27 16489 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  JEPS16026  Ammi majus W. L. Jepson 1917-8-16 7435 Napa Napa Valley Union sta.; Napa Valley Comment
  UCD127159  Ammi majus Wm. Hamilton 1948-6-1 s.n. Napa Cox Ranch on Highway 29 between Napa and Yountville Comment
  CAS-BOT-BC177209  Amorpha californica var. napensis C. H. M. 1907-7-10 s.n. Napa Howell Mt. Comment
  JEPS35498  Amorpha californica var. napensis W. L. Jepson 1913-4-15 5309 Napa Howell Mt. 548 Comment
  RSA92931  Amorpha californica var. napensis P. H. Raven 1951-8-19 s.n. Napa Near Lokoya. 488 Comment
  UCD56010  Ampelodesmos mauritanicus G. F. Hrusa 2000-7-26 15683 Napa Old Toll House Rd. at SW base of Mt. St. Helena, approx. 1/2 mi. N of Hwy 29. Steep, north-facing slope above Garnet Cr. 400 Comment
  UC24614  Amsinckia W. L. Jepson 1893-4-26 Napa Rutherford; Napa River Basin Comment
  JEPS61143  Amsinckia intermedia W. L. Jepson 1900-3-10 535 Napa St. Helena Comment
  UCD18151  Amsinckia intermedia Jean Shepard; with Plant Biology 102 class 2000-4-29 196 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  JEPS20860  Amsinckia intermedia W. L. Jepson 1915-4-23 6253 Napa Coun Valley; Napa Range, Coun Valley Comment
  JEPS61121  Amsinckia intermedia Willis L. Jepson 1893-4-28 21080 Napa gorge n of Wooden Valley grade (w slope Napa Range, n of Mt. George); Napa River Basin, Napa Range, Mt. George Comment
  UCD14969  Amsinckia intermedia Craig Homan 1977-4-8 4 Napa California, Napa Co.; 14 miles southwest of Winters along Highway 128; Comment
  UCD161744  Amsinckia intermedia Jake Ruygt 1994-3-29 3342 Napa south side of Suscol Ridge in Jameson Canyon (Kirkland Ranch). 201 Comment
  JEPS126131  Amsinckia lunaris Jake Ruygt 2010-3-6 5479 Napa Silverado Trail at Zinfandel Lane, SW corner of intersection. Rutherford 7.5' Qua. Comment
  RSA0089964  Amsinckia retrorsa Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD35480  Anagallis arvensis Beecher Crampton 1957-4-15 3930 Napa Napa County; Vaca Mtns., Markley Canyon. Comment
  UC165850  Ancistrocarphus filagineus J. P. Tracy 1902-5-17 1513 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  JEPS16005  Angelica californica E. L. Greene 1883-1 Napa Calistoga Comment
  UCD48437  Angelica californica K. Mogel; B. Pekin and M. Higley 2002-5-4 8 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 1100 ft along the lower road that leads to the power lines; immediately upslope of road. 304 Comment
  UCD127215  Angelica californica David Springer 1971-5-24 24 Napa 2 miles southwest of Monticello Dam. 91 Comment
  UCD55443  Angelica californica Beecher Crampton 1961-6-12 5907 Napa 8 miles northeast Napa along State Hwy. 37, Howell Mountains. Comment
  CDA40901  Angelica tomentosa G. F. Hrusa, R. Gross 1996-6-3 13071 Napa North Coast Biodiversity Arena; Along lower Ida Clayton Rd, on Foote Ranch, NW side of Mt. St. Helena. Sheet 2 of 3 Comment
  UC106458  Angelica tomentosa T. S. Brandegee Aug. 1888 Napa Howell Mountain Comment
  UC174197  Angelica tomentosa Katharine Brandegee 1910-7-26 Napa near Aetna Springs Comment
  CAS-BOT-BC273160  Anisocarpus madioides Bruce G. Baldwin 1985-6-2 488 Napa 0.6 miles east of Napa/Sonoma Counties boundary along Oakville Grade Road Comment
  CAS-BOT-BC273165  Anisocarpus madioides L. R. Abrams 1928-5-3 12203 Napa St. Helena Grade Comment
  CAS-BOT-BC273162  Anisocarpus madioides Jean Fottrell 1906-7-1 s.n. Napa Napa redwoods Comment
  JEPS104504  Anthemis cotula Jake Ruygt 1978-6-18 362 Napa In field northeast of Maxwell Bridge, Imola Ave. 3 Comment
  UCD18133  Anthemis cotula Jean Shepard; with Plant Biology 102 Class 2000-4-29 184 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  RSA82871  Anthriscus caucalis J. M. Tucker 1953-5-3 2643 Napa East side of Napa Valley, ca. 2 miles north of St. Helena Comment
  UCD127197  Anthriscus caucalis Joseph M. DiTomaso 1976-4-10 412 Napa on Highway 128, 4 miles west of Monticello Dam at Lake Berryessa. Comment
  JEPS81873  Antirrhinum kelloggii Roger Raiche 1982-5-1 20318 A Napa Atlas Peak Road 304 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
  CAS-BOT-BC237922  Antirrhinum virga Mrs. Merrel Ackley 1962-6-27 s.n. Napa Hills about 5 miles west of St. Helena Comment
  JEPS5291  Antirrhinum virga W. C. Blasdale 1916-5-31 Napa Atlas; Napa Range Comment
  RSA80428  Antirrhinum virga Joseph A. Ewan 1933-9-17 8017 Napa Near Stevenson Monument, Mt St Helena Comment
  UCR198092  Apiastrum angustifolium Beecher Crampton 1967-5-11 7920 Napa Inner North Coast Ranges, 4.5 miles east of Rutherford, south slope, Conn Reservoir 122 Comment
  UC1537514  Apocynum androsaemifolium Gordon H. True Jr. 1937-6-21 735 Napa near Lokoya Lodge Lokoya Lodge 365 Comment
  RSA523906  Apocynum androsaemifolium subsp. pumilum G. H. True 1937-6-21 735 Napa Near Lokoya Lodge. 366 Comment
  UCD148557  Apocynum cannabinum Jake Ruygt 2004-6-19 4621 Napa Napa County; Long Canyon Creek near Eticuera Creek. 310 Comment
  POM161354  Aquilegia formosa var. truncata Rimo Bacigalupi 1928-6-20 186 Napa Howell Mt, 10 miles W of St Helena Comment
  JEPS106845  Arabis glabra Jake Ruygt 1992-4-7 2892 Napa Tuteur Ranch, SW corner 365 Comment
  JEPS53030  Arabis glabra Willis L. Jepson 1893-4-24 32 c Napa hills e St. Helena (to Conn Valley grade); Napa River Basin Comment
  RSA0128968  Arabis modesta Gilbert Muth 1967-3-22 593 Napa Lake Berryessa. 121 Comment
  JEPS40072  Aralia californica Willis L. Jepson 1894-10-14 14139 Napa Calistoga Napa R. Basin, Calistoga Comment
  RSA797289  Arbutus menziesii Keith E. Hoffmaster 1946-3-23 1064 Napa Napa range, along Napa-Monticello road Comment
  UC650408  Arbutus menziesii Ira L. Wiggins 1928-3-25 2885 Napa 1 1/2 mi ne of Calistoga Comment
  UCD118558  Arbutus menziesii Kaya MacMillen; 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
  UCSB11771  Arbutus menziesii Haller, John 1961-6-18 Napa Las Posadas State Forest, 1.5 mi. S of Angwin on Howell Mountain Plateau 518 Comment
  UCSB19044  Arbutus menziesii 1965-4-13 Napa 3 miles W of Pope Valley on the road between Pope Valley and Angwin Comment
  CAS-BOT-BC409913  Arceuthobium campylopodum Carl B. Wolf 1928-5-4 1851 Napa Mt. St. Helena Comment
  CAS-BOT-BC410145  Arceuthobium occidentale John Thomas Howell 1930-10-19 5618 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown Comment
  SEINET11984892  Arctostaphylos Unknown 1966-1 680 Napa property W of Macdonald Ranch, Las Posadas State Forest Comment
  JEPS38632  Arctostaphylos canescens Willis L. Jepson 1893-4-25 14698 Napa highest ridges near Caux's Knob; Napa River Basin Comment
  CAS-BOT-BC23985  Arctostaphylos canescens subsp. canescens Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC23989  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12266 Napa Mt. St. Helena Trail 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-BC24019  Arctostaphylos canescens subsp. canescens Lester Rowntree 1937-7-9 s.n. Napa Monticello Road Comment
  CAS-BOT-BC24022  Arctostaphylos canescens subsp. canescens C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  UC549704  Arctostaphylos canescens subsp. canescens J. E. Adams 1934-3-10 644 Napa Mt. St. Helena Comment
  UC674740  Arctostaphylos canescens subsp. canescens W. K. Fisher 1900-9-9 Napa Mt. St. Helena 853 Comment
  UCD82609  Arctostaphylos glandulosa Ellen Dean; T. Starbuck 2009-5-4 5547 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  CAS-BOT-BC24865  Arctostaphylos glandulosa subsp. cushingiana Lewis S. Rose 1964-4-2 64016 Napa 2 mi. sw. of Angwin. 243 Comment
  SBBG32425  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 mi SW of Angwin 243 Comment
  CAS-BOT-BC23149  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1918-9-3 7941 Napa Mt. St. Helena Comment
  JEPS106417  Arctostaphylos glandulosa subsp. glandulosa Jake Ruygt 1981-4-12 974 Napa Grassy Hill near Palisades 670 Comment
  JEPS106418  Arctostaphylos glandulosa subsp. glandulosa Jake Ruygt 1986-3-16 1654 Napa 4.5 miles N of Westgate Dr. on Atlas Peak Rd. 463 Comment
  UCSB24479  Arctostaphylos glandulosa subsp. glandulosa McMinn, Howard 1936-4-4 Napa Howell Mt., 3 miles south of Angwin Comment
  UCD51108  Arctostaphylos glandulosa var. cushingiana Lewis S. Rose 1964-4-2 64016 Napa 2 mi. SW of Angwin. 243 Comment
  RSA355181  Arctostaphylos manzanita L. F. LaPre 1985-4-24 355181 Napa Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. Line and S of Three Peaks. Comment
  RSA787606  Arctostaphylos manzanita Keith E. Hoffmaster 1946-3-23 1065 Napa Napa range, along Napa-Monticello road Comment
  UCR26060  Arctostaphylos manzanita Michael J. Kelly 1975-3-24 33 Napa Right side of the road 10 mi east of the intersection of Hwys 128 and 29 across from Lake Berryessa 610 Comment
Read comments
Feb 9 2014
  CDA38702  Arctostaphylos manzanita T. C. Fuller 1962-3-27 7892 Napa Road to Lake Berryessa (Hwy 37), 3.8 miles north of Wooden Valley. 0 Comment
  SEINET11977791  Arctostaphylos manzanita Unknown 1852-1 452 Napa no further locality Comment
  CAS-BOT-BC38914  Arctostaphylos manzanita subsp. elegans J. W. Stacey 1922-3-1 s.n. Napa Mountains of Napa Co. Comment
  CAS-BOT-BC24280  Arctostaphylos manzanita subsp. manzanita Rimo Bacigalupi 1924-2-22 s.n. Napa 5 mi. from Calistoga on toll road over Mt. St. Helena. 457 Comment
  CAS-BOT-BC38732  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4565 Napa Crater Country near Mt. St. Helena Comment
  JEPS122813  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5106 Napa Chiles Valley Road northwest of Turtle Rock. QUAD: Chiles Valley. Comment
  SBBG5442  Arctostaphylos manzanita subsp. manzanita J. M. Tucker 1941-9-20 396 Napa Putah Cyn, Vaca Range Comment
  UC1389149  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1939-8-27 990 Napa 2 mi e Gordon Valley; Cal (C) Forest 152 Comment
  UC572658  Arctostaphylos manzanita subsp. manzanita Herbert B. Kaufner 1937-2-26 9 Napa Upper Mill Creek Canyon 335 Comment
  UC762314  Arctostaphylos manzanita subsp. manzanita R. F. Hoover 1941-4-26 4913 Napa betw. Samuel Sprs. and Walter Sprs.; Pope Creek canyon Comment
  UCD95921  Arctostaphylos manzanita subsp. manzanita Ellen Dean; with Clare Loughran 2011-5-20 7055 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  SEINET8729957 Image available Arctostaphylos montana Lewis S. Rose 1937-1 37018 Napa Wooden Valley Grade, 8 mi. NE. of Napa. 274 Comment
  CAS-BOT-BC43829  Arctostaphylos stanfordiana H. E. McMinn 1925-1-23 1364 b Napa Summit Wooden Valley grade Comment
  CAS-BOT-BC43831  Arctostaphylos stanfordiana C. B. Wolf 1928-5-4 1860 Napa Mt. St. Helena Comment
  CAS-BOT-BC43838  Arctostaphylos stanfordiana John Thomas Howell 1930-3-23 4559 Napa About 1 mile se. of Mt. St. Helena Inn. Near Mt. St. Helena. Comment
  CAS-BOT-BC43840  Arctostaphylos stanfordiana Alice Eastwood 1922-3-25 11088 Napa Calistoga Comment
  CAS-BOT-BC43864  Arctostaphylos stanfordiana Alice Eastwood 1916-3-30 4696 Napa Calistoga Comment
  CAS-BOT-BC43871  Arctostaphylos stanfordiana Alice Eastwood 1907-3-29 s.n. Napa Mt. St. Helena 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
  CHSC83149  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 0.5 mile west of Aetna Springs. Comment
  JEPS49566  Arctostaphylos stanfordiana W. L. Jepson 1937-4-9 17997 Napa at cross-rift or rock traverse 1/4 mi below summit; Howell Mt., Adam-and-Eve Ridge 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
  RSA636804  Arctostaphylos stanfordiana G. Gunnarson 1978-3-21 066 Napa 4 miles north on CA 121 past junc. of CA 121 and CA 128. Comment
  SJSU5727  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi SW of Angwin 243 Comment
  UC421586  Arctostaphylos stanfordiana John Thomas Howell 1926-3-21 1704 Napa along trail to summit Mt. St. Helena Comment
  UC575711  Arctostaphylos stanfordiana John Thomas Howell and Alice Eastwood 1935-2-11 1937 Napa 5 mi e Napa; Wooden Valley Grade Comment
  UCR212318  Arctostaphylos stanfordiana subsp. decumbens 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
  JEPS106412  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 1977-3-27 161 Napa Mt. St. Helena 853 Comment
  RSA169361  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1964-4-2 64015 Napa 2 miles SW of Angwin. 244 Comment
  RSA181955  Arctostaphylos stanfordiana subsp. stanfordiana W. L. Jepson 1915-12-6 6586 Napa Howell Mt. Comment
  RSA602256  Arctostaphylos stanfordiana subsp. stanfordiana L. C. Wheeler 1952-8-30 6876 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  SBBG5508  Arctostaphylos stanfordiana subsp. stanfordiana E. R. Blakley 1956-12-23 2017 Napa trail to Linda Falls, Angwin 426 Comment
  UCD52565  Arctostaphylos viscida Beecher Crampton 1964-10-8 7218 Napa Napa County; north end Capell Valley, slopes above Capell Creek, State Hwy. 128. Comment
  JEPS126085  Arctostaphylos viscida subsp. pulchella Jake Ruygt 1979-3-11 446 Napa 2.5 miles east of Silverado Trail on Sage Canyon Road. Yountville 7.5' Qua. Comment
  CAS-BOT-BC47455  Arctostaphylos viscida subsp. viscida M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 miles N.E. Cliff Spring Comment
  JEPS38759  Arctostaphylos viscida subsp. viscida W. L. Jepson 1920-7-12 9067 Napa near old Chiles Mill; Chiles Creek Comment
  JEPS78439  Arctostaphylos viscida subsp. viscida Edward Lee 1936-3-15 1808 Napa Rutherford-Pope Valley Rd 10.7 mi out Rutherford Comment
  JEPS81590  Arctostaphylos viscida subsp. viscida R. Raiche 1982-3-7 20211 Napa adjacent of Detert Reservoir (on Butts Canyon Road, hill on ne side of reservoir) Comment
Read comments
Sep 27 2012
  CAS-BOT-BC400455  Aristolochia californica Mrs. H. C. Cantelow 1936-3-22 1123 Napa Howell Mt. Comment
  UC545801  Aristolochia californica Annetta M. Carter 1936-3-15 1040 Napa on rd. to Pope Valley 3.4 mi. out of Rutherford (Conn Creek Canyon); Conn Creek Canyon Comment
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Sep 12 2013
  UC59630  Aristolochia californica Jackson Leewis Napa St. Helena Comment
  UCD137821  Aristolochia californica Dean W. Taylor 1972-2-25 1334 Napa at the dam on Putah Creek, Lake Berryessa. 167 Comment
  UCD20914  Aristolochia californica V. (Shorty) Boucher 2002-3-27 5 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. 243 Comment
  UCD38610  Arnica discoidea Beecher Crampton 1956-5-25 3484 Napa Howell Mtns. Comment
  RSA88576  Arnica discoidea L. S. Rose 1954-5-24 54049 Napa Summit, Wooden Valley grade, 6 miles N E of Napa. Comment
  SEINET251850  Artemisia arbuscula subsp. arbuscula L. Shultz, J. Shultz 1986-9-20 10231 Napa Hills west of Calistoga 180 Comment
  CAS-BOT-BC90266  Artemisia douglasiana John Thomas Howell 1929-8-4 4368 Napa One mile below Samuels Springs, Pope Creek [Canon], Napa Range Comment
  JEPS104574  Artemisia douglasiana Jake Ruygt 1978-6-28 374 Napa 2.0 miles north of Browns Valley Rd. on Partrick Rd. 164 Comment
  JEPS104556  Asclepias eriocarpa Jake Ruygt 1979-6-18 707 Napa .3 miles east of Butts Canyon Rd. on Aetna Springs Rd. 216 Comment
  UC1001193  Aspidotis californica Peter H. Raven and G. L. Stebbins Jr. 1953-4-19 5339 Napa Samuels Springs to Walters Springs (n side Pope Creek) 243 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
  CHSC84572  Astragalus breweri John Dittes 2003-4-5 2003 -13 Napa Inner North Coast Range; Napa Valley; approximately 1.8 air-miles north by northwest of Calistoga City Hall, approximately 1.0 air-mile northwest of confluence of Napa River and Garnett Creek. Alfalfa field southwest of intersection of Bennet Lane and Tubbs Lane. 123 Comment
  JEPS54545  Astragalus breweri Milo S. Baker Apr 15 1929-Apr 26 1929 3567 a Napa near Calistoga Geyser; near Calistoga Geyser 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
  UC13438  Astragalus gambelianus Willis L. Jepson 1893-5-2 Napa Pope Valley grade Calistoga (Napa River Basin); , Pope Valley grade fr Calistoga Comment
  UCD35292  Astragalus gambelianus Beecher Crampton 1955-4-7 2432 Napa Napa County; 7.8 miles north of Monticello. Comment
  JEPS41083  Astragalus rattanii var. jepsonianus Rimo Bacigalupi and L. R. Heckard 1965-5-15 9095 Napa about 1 mi e Devilhead Road ((from Cedar Valley to Knoxville), at edge of small valley, along Zim Zim Creek); along Zim Zim Creek 487 Comment
  RSA121722  Astragalus rattanii var. jepsonianus B. O. Schreiber 1938-4-24 2502 Napa 1/2 mile northwest of Knoxville. 610 Comment
  UC1239779  Athyrium filix-femina var. cyclosorum Joseph P. Tracy 1905-7-6 2216 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt 457 Comment
  UC1198295  Athysanus pusillus Joseph P. Tracy 1902-5-15 1461 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  RSA10658  Athysanus pusillus C. B. Wolf 1928-5-3 1831 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  UCD74389  Athysanus pusillus Jake Ruygt 1977-4-3 171 Napa Green Creek east of Lake Berryessa. 259 Comment
  HSC43958  Avena barbata Robert M. Specht 1977-4-19 682 Napa Above drainage running NE from Adams Creek. 518 Comment
  UCD56245  Avena barbata Beecher Crampton 1965-6-30 7407 Napa Solano -- Napa Co.: Mt. Vaca. Vaca Mtns. 872 Comment
  UCD18010  Avena fatua Ellen Dean; with Plant Biology 102 class 2001-4-28 742 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At entrance gate to Reserve, along path that goes to the NE from gate. 371 Comment
  JEPS21291  Baccharis pilularis W. L. Jepson 1892-10-22 Napa near St. Helena ((Park Hill)); Park Hill Comment
  CAS-BOT-BC16524  Barbarea orthoceras Milo S. Baker 1926-4-10 204 Napa The Crater - 3 miles south of Saint Helena Inn. Comment
  CDA11618  Barbarea orthoceras G. F. Hrusa, G. L. Stebbins 1994-3-11 11601 Napa North Coast Biodiversity Arena; Ink Grade, approx. 2 m. NE of Angwin. Comment
  UC552234  Barbarea orthoceras Joseph P. Tracy 1933-4-30 12111 Napa La Jota Palteau, Howell Mountain, on hills head of Moore's creek, 3-4 miles East of Angwin's 518 Comment
  UCD48671  Barbarea orthoceras Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 12 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd, N of its jct with S. Decker Canyon Rd. at the end of EW bend. 188 Comment
  JEPS11297  Bellardia trixago W. L. Jepson 1921-5-6 9195 Napa w of Napa (on Sonoma road) Comment
  JEPS106877  Berberis aquifolium var. dictyota Jake Ruygt 1981-7-23 1081 Napa north of Berryessa Peak, Blue Ridge 731 Comment
  CAS-BOT-BC75848  Berberis pinnata Peter H. Raven 1951-6-10 s.n. Napa Crater Region east of Pinnacels. 762 Comment
  UC796622  Berberis pinnata Ira L. Wiggins 1949-4-30 12089 Napa e flank Mt St Helena 914 Comment
  JEPS106878  Berberis pinnata subsp. pinnata Jake Ruygt 1982-3-10 1127 Napa north of American Canyon on county line 280 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
  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
  UCD75842  Boechera arcuata Jake Ruygt 2003-4-22 4504 Napa about 2 miles north of Mays flat near the top of the Blue Ridge. 731 Comment
  RSA182010  Boisduvalia densiflora var. densiflora W. L. Jepson 1944-7-30 27545 Napa 3 miles SE of Yountville, Napa Valley. Comment
  RSA80689  Boisduvalia densiflora var. densiflora F. W. Peirson 1928-7-4 7952 Napa Summit of Mt. Helena Grade Comment
  JEPS110698  Boisduvalia stricta Jake Ruygt 1990-6-11 2592 b Napa City of Napa, Milliken Reservoir watershed property 341 Comment
  POM230569  Boisduvalia stricta J. T. Howell 1937-7-4 13059 Napa Wooden Valley Grade Comment
  JEPS121374  Bolboschoenus maritimus subsp. paludosus Jake Ruygt 1982-5-13 1247 Napa .5 miles south of Imola Ave.; south end of Jefferson St,, Napa Comment
  CAS-BOT-BC31397  Bolboschoenus robustus Peter H. Raven 1952-8-26 5135 Napa Salt marshes near Bently Wharf. 15 Comment
  JEPS110568  Boschniakia strobilacea Jake Ruygt 1998-5-30 4009 Napa Mt. St. Helena, on RLS cabin trail. 792 Comment
  JEPS110603  Boschniakia strobilacea Jake Ruygt 1999-5-22 4167 Napa Livermore Ranch on road south of White Point. 826 Comment
  JEPS49665  Boykinia occidentalis Mary Alice King July 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  RSA793  Brickellia californica J. T. Howell 1927-8-24 687 Napa Pope Valley Creek near Samuel's Springs Comment
  RSA247333  Briza maxima Gary D. Wallace 1967-5-27 766 Napa Northwest of St. Helena on Howell Mtn. Rd. 2 mi. west of Pacific Union College. Comment
  CAS-BOT-BC145366  Briza minor Carl B. Wolf 1928-5-3 1803 Napa 2 miles south of hawkins Mount Inn Camp. Comment
  POM182763  Briza minor H. P. Chandler 1900-5-7 627 Napa Rutherford. Comment
  UC187258  Briza minor Louise Martin 1902-5-15 1445 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 396 Comment
  UCD170425  Briza minor Daniel Potter; Daniel McNair 2016-4-23 904 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  JEPS7693  Brodiaea appendiculata W. L. Jepson 1923-4-29 9899 a Napa St. Helena 91 Comment
  UC1442894  Brodiaea elegans subsp. elegans Theodore F. Niehaus 1965-5-15 522 Napa on Silverado Trail ca 1 mi n Yountville Junction Comment
  CAS-BOT-BC484199  Brodiaea elegans var. elegans Rimo Bacigalupi 1928-6-20 1864 Napa Howell Mt 10 miles west of St. Helena Comment
  JEPS110912  Brodiaea leptandra Jake Ruygt 1982-7-18 1372 Napa Deer Park Rd. at Four Corners 414 Comment
  UCD168502  Brodiaea leptandra Shannon Hickey 2017-6-15 9 Napa along the west fork of Wild Horse Valley Road between Leoma Lakes and Wild Horse Valley. (Locality information and elevation interpreted by label maker from the collector provided coordinates.) 432 Comment
  UCD77197  Brodiaea leptandra Robert E. Preston 2004-6-26 2265 Napa Angwin, along Las Posadas Rd, ca. 1.1 mi from Howell Mountain Rd 512 Comment
  UCD60269  Bromus Beecher Crampton 1961-6-12 5902 Napa 7 miles northeast of Napa; Howell Mountains, summit of State Hwy. 37. 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
  UCD57979  Bromus carinatus Beecher Crampton 1956-5-25 3482 Napa Howell Mtns. Above Wooden Valley. Comment
  UCD58297  Bromus carinatus Beecher Crampton 1956-5-25 3457 Napa Head of Markley Canyon. Vaca Mtns. Comment
  CAS-BOT-BC149519  Bromus carinatus var. carinatus Peter H. Raven 1953-5-2 5369 Napa Valley floor east of Yountville. 76 Comment
  UCR152263  Bromus catharticus Beecher Crampton 1961-6-12 5902 Napa Inner North Coast Ranges, 7 miles northeast of city of Napa, summit along State Highway 37 396 Comment
  SBBG29005  Bromus grandis B. Crampton 1967-6-20 Napa 3 mi N of Moskowite Corner, N end of Capell Valley, St Hwy 128 Comment
  CAS-BOT-BC155073  Bromus hordeaceus Ira L. Wiggins 1928-3-25 2871 Napa Roadside 1.5 mile northeast of Calistoga. Comment
  HSC9264  Bromus hordeaceus J. V. Lenz 1947-4-19 Napa Calistoga Comment
  JEPS123007  Bromus hordeaceus Jake Ruygt 1982-4-29 1211 Napa Suscol plain west of Highway 29 (221), east of Kaiser (Napa Pipe). Quad: Napa. Comment
  JEPS76085  Bromus hordeaceus W. L. Jepson 1938-5-22 18814 Napa Pope Valley, Limekiln Creek Canyon Limekiln Creek Canyon; Pope Valley, Limekiln Creek Canyon Comment
  JEPS76097  Bromus hordeaceus W. L. Jepson 1938-5-25 18870 Napa Napa Range, Howell Mountain, Bell Canyon Bell Canyon; Napa Range, Howell Mountain, Bell Canyon 579 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
  CAS-BOT-BC155330  Bromus laevipes Peter H. Raven 1952-5-31 4151 Napa West of Rector Dam. 182 Comment
  JEPS123008  Bromus laevipes Jake Ruygt 1982-5-19 1279 Napa Butts Canyon Road at Snell Valley Road. Quad: Aetna Springs. Comment
  JEPS82331  Bromus laevipes Roger Raiche 1982-1-16 20027 Napa n of Napa (along Route 121 (3.5 mi w of intersection with Route 128)); Route 121 Comment
  UCD58957  Bromus laevipes Beecher Crampton 1965-6-30 7409 Napa Mt. Vaca, Vaca Mtns. 872 Comment
  UCD59612  Bromus rubens Beecher Crampton 1965-6-30 7394 Napa Summit of Mt. Vaca, Vaca Mtns. 872 Comment
  CAS-BOT-BC161638  Bromus sterilis Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5351 Napa South side of Pope Creek northwest of Samuels Springs. 152 Comment
  JEPS123002  Bromus sterilis Jake Ruygt 1994-4-26 3361 Napa Pope Valley (Juliana Vineyard); north of Barnett Road. Quad: Aetna Springs. Comment
  UCD73441  Bromus sterilis Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  UCD60221  Bromus tectorum R. Tofsrud 1950-10-14 s.n. Napa Summit of road between Oakville and Glenn Ellen. Comment
  SBBG21229  Calamagrostis rubescens B. Crampton 1961-6-12 Napa 7 mi E of Napa, Howell Mtn, summit of St Hwy 37 Comment
  UC1146620  Calamagrostis rubescens Freed W. Hoffman 1944-7-7 1973 Napa North Coast Ranges; Trinity Road Comment
  JEPS112603  Calandrinia breweri Jake Ruygt 1989-4-8 2257 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  JEPS112604  Calandrinia breweri Jake Ruygt 1982-4-4 1167 Napa 3.2 miles north of Loma Vista Dr. on Soda Canyon Rd. 335 Comment
  JEPS52607  Calandrinia ciliata Willis L. Jepson 1893-4-27 Napa hills near Veteran's Home; Napa River Basin, Yountville Comment
  UCD148770  Callitriche heterophylla var. bolanderi Jake Ruygt 1997-4-26 3836 Napa Napa County; Mt. Veeder Vineyards, south of Lakoya Road. 457 Comment
  JEPS42831  Callitriche longipedunculata Willis L. Jepson 1893-4-26 13820 Napa Near Yountville; Napa River Basin Comment
  JEPS120388  Callitriche marginata Jake Ruygt 1996-5-19 3710 Napa West of Barnett Road near Burton Creek, (Peju Pr) Pope Valley Comment
  UC1103688  Callitriche marginata J. P. Tracy 1902-5-21 1626 Napa Head of Moore's Creek, 3 to 4 miles east of Angwin's; Howell Mountain 518 Comment
  UCD161613  Callitriche marginata Jake Ruygt 2002-3-12 4359 Napa Lewelling Ranch, Sulphur Springs Avenue, St. Helena. 77 Comment
  RSA15665  Calocedrus decurrens C. B. Wolf 1928-2-25 1508 Napa 3 miles N of summit of the Mt. St. Helena Grade, near the Napa Lake County line. Comment
  RSA3285  Calochortus amabilis D. D. Keck 1931-4-2 1019 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  SJSU9956  Calochortus amabilis Kathleen Conrey 1959-5-10 Napa near Old Bale Mill on Highway 29 c. 5 mi N of St Helena Comment
  UC1134512  Calochortus amabilis B. O. Schreiber 1938-4-24 2494 Napa 5.2 mi nne Napa (Wooden Valley Grade); Napa Quad. 274 Comment
Read comments
Jan 14 2009
  UC1300907  Calochortus amabilis Helen K. Sharsmith 1963-4-20 5344 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 Comment
  UC527845  Calochortus amabilis R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6667 Napa 6 mi ne Pacific Union College (on road to Aetna Springs); Howell Mt. Comment
  UCD48266  Calochortus amabilis Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 7 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  UCD48750  Calochortus amabilis E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 20 Napa Quail Ridge Reserve: SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. ca. 0.45 mi (2,400 ft.) as the crow flies, NW from the jct of West Rd. and South Decker Canyon Rd. S side of West Rd. up on ridge. 249 Comment
  CAS-BOT-BC488482  Calochortus amabilis E. Ruckert 1960-4-17 100 Napa 6495 Dry Creek Road, high in meadow to southwest of road leading in to property. 396 Comment
  POM169455  Calochortus amabilis C. F. B 1903-4-20 2622 Napa Mt. St. Helena. Comment
  UCD139540  Calochortus luteus L. P. Thibault 1995-6-2 55 Napa South side of Hwy 128 approx. 0.5 mi. west of junction with Hwy 121. 275 Comment
  JEPS61687  Calochortus luteus W. L. Jepson 1943-5-15 20773 Napa 2 mi n Oak Grove School; Berryessa Valley 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
  UCD164687  Calochortus superbus L. P. Thibault 1995-6-2 64 Napa East side of lower Chiles Valley Road, 0.5 miles northwest of Highway 128. 300 Comment
  CAS-BOT-BC483609  Calochortus tolmiei Betty H. Johnson 1958-6-8 596 Napa Near St. Helena River, 6.4 SW of Middletown Comment
  CAS-BOT-BC483614  Calochortus tolmiei L. R. Abrams 1928-5-4 12291 Napa 4 miles south of Middletown Comment
  CAS-BOT-BC132624  Calochortus uniflorus John Thomas Howell 1926-3-27 1757 Napa Myrtledale Hot Springs near Calistoga Comment
  JEPS17796  Calochortus uniflorus W. L. Jepson 1915-4-23 6254 Napa Conn Valley Comment
  UC625514  Calochortus uniflorus Frank W. Gould 1938-4-3 110 Napa 1.5 mi nw St. Helena 91 Comment
  UCD169871  Calochortus vestae Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 806 Napa Knoxville Wildlife Area. Upper Zim Zim Ceek drainage. 432 Comment
  SEINET3863994  Calycadenia fremontii G. D. Carr 1971-8-6 616 Napa Lower Chiles Valley Rd, 1.3 mi N of its jct with Hwy 128, 11 mi SE of Pope Valley, on E slope.; 0 313 Comment
  CAS-BOT-BC270617  Calycadenia multiglandulosa H. P. Chandler 1907-7-19 7603 Napa Howell Mountain Comment
  JEPS122696  Calycadenia multiglandulosa Jake Ruygt 1982-7-18 1373 Napa Deer Park Road at Four Corners. Quad: St. Helena. Comment
  UC1876150  Calycadenia multiglandulosa Gerald D. Carr 1971-6-17 566 Napa Jct. of Howell Mt., Deer Park, and White Cottage Rds. Comment
  UCD69063  Calycadenia multiglandulosa P. Rodriguez-Rojo 1997-5-31 Napa Butts Canyon Rd. Serpentine barrens. UTM: 10SEN4882 285 Comment
  CAS-BOT-BC270834  Calycadenia pauciflora John Thomas Howell 1933-8-27 11634 Napa Sage Canyon, Napa Range Comment
  RSA255601  Calycadenia pauciflora Gerald D. Carr 1971-8-6 620 Napa Lake Hennessy, Hwy. 128, 1.7 miles SW of Chiles-Pope Valley Road Comment
  UCD129824  Calycadenia pauciflora Gerald D. Carr 1971-10-23 683 Napa junction of Lower Chiles Valley and Pope Valley Roads, Comment
  CAS-BOT-BC270837  Calycadenia pauciflora H. M. Hall 1923-10-12 11926 Napa 16 miles SE of Lower Lake, northern part of county Comment
  JEPS38531  Calycadenia pauciflora W. L. Jepson 1938-10-1 19059 Napa bridge over Putah Creek Coyote Valley Comment
  JEPS38579  Calycadenia pauciflora W. L. Jepson 1891-9-21 Napa Miller Canon Vaca Mts. Comment
  RSA255521  Calycadenia pauciflora Gerald D. Carr 1972-8-21 728 Napa 2.4 miles east of Butts Canyon Road on Snell Valley Road 183 Comment
  UC1876269  Calycadenia pauciflora Gerald D. Carr 1971-9-20 667 Napa 1.8 mi SE of Lake Co. line on Morgan Valley Rd. 609 Comment
  UCD129904  Calycadenia pauciflora Gerald D. Carr 1971-9-20 667 Napa 1.8 miles southeast of Lake County line on Morgan Valley Road. 609 Comment
  UCD161581  Calycadenia pauciflora Jake Ruygt 2007-6-21 5226 Napa Las Posadas State Forest, north of Recreation Flat. Comment
  JEPS38549  Calycadenia truncata W. L. Jepson 1938-9-28 19044 Napa between Four Corners and Sanitarium at the hairpin turn in road Four Corners Comment
  CAS-BOT-BC271551  Calycadenia truncata subsp. truncata C. C. Parry 1881-1-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC271568  Calycadenia truncata subsp. truncata G. D. Carr 1971-10-23 682 Napa Howell Mt. Rd. ca. 0.8 S of Angwin 476 Comment
  JEPS40305  Calycanthus occidentalis W. L. Jepson 1899-6-1 Napa Vaca Mts. Comment
  RSA1008  Calycanthus occidentalis J. T. Howell 1927-8-23 680 Napa Sage Canon, Napa Range. 91 Comment
  UC126481  Calycanthus occidentalis Harley P. Chandler Sep 7 1906-Sep 14 1906 7133 Napa Alta Loma Ranch; Howell Mountain 487 Comment
  UCD13154  Calycanthus occidentalis Kathleen Worden 1981-5-24 12 Napa Sage Canyon Rd. 1.2 miles east of intersection with Silverado Trail. Comment
  UCD137901  Calycanthus occidentalis Andrew T. Leiser 1965-6-1 s.n. Napa Napa Mountains. Comment
  UCD137908  Calycanthus occidentalis H. Popenoe 1949-6-5 35 Napa Putah Canyon west of Winters, at Napa-Yolo County line. Comment
  UCD137917  Calycanthus occidentalis J. P. Smith; J. O. Sawyer 1970-5-17 3771 Napa 3 miles south of Pope Valley. Comment
  RSA0059891  Calystegia collina subsp. collina C. F. Baker 1903-5-8 2968 Napa Knoxville. Comment
  JEPS106397  Calystegia collina subsp. oxyphylla Jake Ruygt 1986-6-1 1801 Napa Mt. St. Helena; HWY 29 near Lake Co. line 502 Comment
  SEINET5741986 Image available Calystegia occidentalis Midori J. Minabe 1971-1 70 Napa Ca. 2 miles SW of Solano County line on Route 128 and ca. 0.5 mile north (?) on dirt road, south of Lake Berryessa.; Lake Berryessa Comment
  UCD164771  Calystegia occidentalis subsp. occidentalis Jake Ruygt 2014-5-19 5945 Napa Sutro Ranch, Atlas Peak. 762 Comment
  JEPS129054  Calystegia purpurata Jake Ruygt 2016-5-14 6254 Napa Near south base of Snell Peak. Aetna Springs 7.5' Quad. Comment
  UCD48869  Calystegia purpurata S. Murphy; K. Keck and K. Dyer 2002-5-5 13 Napa Quail Ridge UC Reserve, northern tip of ridge, ca. 500 m from intersection of West and East roads, N side of upper road leading to power lines and tip parcels, 4 m from edge of road. 388 Comment
Read comments
Aug 11 2021
  CAS-BOT-BC224630  Calystegia purpurata subsp. purpurata John Thomas Howell 1931-4-3 6119 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  UCD20460  Camissoniopsis hirtella B. Takahashi; w/ S. Burgess, A. Ryan, A. Hufton, and J. Pierner 2000-4-29 s.n. Napa Yolo County/ Napa County line: McLaughlin UC Reserve. One 'as the crow files' mile N of old town of Knoxville. 609 Comment
  UCD54565  Camissoniopsis hirtella K. Walker; PLB 102 2006-5-13 7 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  UC735049  Campanula angustiflora Lincoln Constance, J. F. Davidson, W. H. Wagner and R. H. Shan 1946-5-18 3045 Napa se slope of mountain near old inn; Mount St. Helena Comment
  JEPS106560  Campanula prenanthoides Jake Ruygt 1978-7-2 376 Napa .75 miles west of HWY 29 on Diamond Mountain Road 146 Comment
  UC583409  Cardamine californica Elmer I. Applegate 1932-3-22 7032 Napa 4 mi n Calistoga (Mayacama Mountains, Crater Region); Mayacama Mountains, Crater Region, n of Calistoga Comment
  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
  UCD170301  Cardamine hirsuta Daniel Potter; N Khuu, A Holland, J Poore, C Adlam 2016-3-19 841 Napa Knoxville Wildlife Area, southern portion, east of Berryessa-Knoxville Road. 232 Comment
  CDA7772  Cardaria chalepensis Robin Breckenridge 2008-5-8 PDR# 1313560 Napa Napa, DFG Preserve/Lk Berryessa, Eastside Rd. 0 Comment
  JEPS53322  Cardaria draba Willis L. Jepson 13398 Napa Napa Valley, Oak Knoll, between Napa and Yountville Oak Knoll; Napa River Basin, Napa Valley, Oak Knoll Comment
  UCD35854  Carduus pycnocephalus Beecher Crampton 1965-5-13 7337 Napa ca. 3 miles southeast of Calistoga, Silverado Trail. Comment
  CAS-BOT-BC281734  Carduus pycnocephalus Thomas H. Kearney 1948-5-22 s.n. Napa Roadside near Napa Comment
  UCR43086  Carex 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
  CDA11435  Carex amplifolia G. F. Hrusa, M. Tu 1995-5-6 12158 Napa North Coast Biodiversity Arena; In wet creek bed under shade of redwoods along Moores Creek in Las Posadas State Forest. Dense rhizomatous colony. Comment
  JEPS121335  Carex amplifolia Jake Ruygt 1992-5-2 2920 Napa Scott's Flat, Aetna Springs Rd. Comment
  UCD140163  Carex barbarae Max P. Dunford 1961-4-8 1032 Napa 6 miles west of Petaluma on road to Two Rock and Bodega Bay. 30 Comment
  UCD161341  Carex brevicaulis Jake Ruygt 1984-5-19 1560 Napa East slope of Cedar Roughs. (Coordinates estimated by label maker at UC Davis). 579 Comment
  UCD161705  Carex densa Jake Ruygt 2010-6-21 5617 Napa Highway 29 just south of Heitz Way, south side of road. (Coordinates converted from UTM by label maker.) 94 Comment
  CAS-BOT-BC18904  Carex densa Wilhelm Nikolaus Suksdorf 1913-7-28 698 Napa North of Napa. Comment
  CAS-BOT-BC19983  Carex feta Peter H. Raven 1952-5-26 4043 Napa Howell Mountain. 548 Comment
  UCD161635  Carex globosa Jake Ruygt 2005-4-4 4742 Napa Mt. St. Helena, Highway 29 at Old Toll Road. (Coordinates converted from UTM data by label maker.) 472 Comment
  CAS-BOT-BC32051  Carex multicaulis Peter H. Raven 1950-6-20 2377 Napa Howell Mtn on NNE side Road above Pope Valley. Comment
  UC1103568  Carex multicaulis J. P. Tracy 1902-5-18 1545 1/2 Napa 3-4 mi e Angwin's (head Moore's Creek); Head Moore's Creek, Howell Mountain 487 Comment
  UC50830  Carex multicaulis J. P. Tracy 1902-5-21 1616 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 487 Comment
  UC517564  Carex multicaulis John Thomas Howell 1926-3-28 1768 Napa near Patten's; St. Helena Creek Comment
  UCD161570  Carex nudata Jake Ruygt 2006-4-29 5004 Napa mixed evergreen forest. 640 Comment
  UC2043155  Carex praegracilis Barbara Ertter with Jake Ruygt 1996-4-25 14603 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  UCD161577  Carex praegracilis Jake Ruygt 2007-4-10 5142 -b Napa Linda Falls / land trust property, Conn Creek. 445 Comment
  POM118372  Carex serratodens Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD41411  Carex serratodens Mark Bibbo; Ellen Dean, Burak Pekin, Alex Lee 2003-4-26 125 Napa Bureau of Land Management land S of McLaughlin UC Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, near the next stream-crossing W of the confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  UCD161750  Carex subbracteata Jake Ruygt 1996-3-17 3523 Napa Highway 29 at Heitz Way, south of Calistoga. 94 Comment
  JEPS129076  Carex tumulicola Jake Ruygt 2016-4-12 6185 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  UC1010736  Carex tumulicola Peter H. Raven 1951-6-24 3023 Napa Brown's Valley to Sonoma-Napa Road 91 Comment
  UCD161540  Carex tumulicola Jake Ruygt 1992-5-4 2932 Napa Westwood Hills Park, Browns Valley Road, Napa. 91 Comment
  UCD161735  Carex tumulicola Jake Ruygt 2010-5-15 5504 -x Napa Las Posadas State Forest, south side of Moore Creek near Recreation Flat. 384 Comment
  UCD161757  Carex tumulicola Jake Ruygt 1997-4-8 3826 Napa Napa Valley: east end of Taplin Road, Heitz Cellars. 103 Comment
  CDA6924  Carthamus creticus G. D. Barbe 1978-7-21 2411 Napa Stags Leap, Silverado Trail, east of Yountville. 0 Comment
  JEPS110635  Castilleja affinis subsp. affinis Jake Ruygt 1976-5-2 44 Napa 3.4 miles NE of Atlas Peak Rd. on Monticello Rd. 335 Comment
  CAS-BOT-BC435519  Castilleja ambigua var. meadii Jake Ruygt 2011-5-28 5793 Napa Giles Mead Ranch, W of Atlas Peak Rd., 2.4 km S of Foss Valley 487 Comment
  JEPS88819  Castilleja applegatei subsp. martinii T. I. Chuang and F. M. Chuang 1991-6-23 7834 Napa 3 mi n Angwin (along Ink Grade Rd) Comment
  JEPS3803  Castilleja applegatei subsp. martinii W. L. Jepson 1894-7-19 Napa near Molly Patton's (Toll House) at summit (old grade over Mt. St. Helena); Mt. St. Helena 731 Comment
  RSA97987  Castilleja applegatei subsp. martinii Robert Kehlor 1951-4-28 39 Napa In Putah Canyon above Recreation Beach, 10 miles west of Winters. Comment
  UCD122283  Castilleja applegatei subsp. martinii Alan P. Godlewski 1974-5-3 s.n. Napa West of Lake Berryessa, 100 yds. From Highway 128. Comment
  CHSC114025  Castilleja applegatei subsp. pinetorum Richard R. Halse 2013-3-27 8753 Napa Along State Hwy. 128 ca. 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa. 143 Comment
  SEINET4208213  Castilleja applegatei subsp. pinetorum Richard R. Halse 2013-3-27 8753 Napa Along State Hwy. 128 ca. 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa.; 0 143 Comment
  JEPS74864  Castilleja attenuata T. I. and F. M. Chuang 1975-5-4 7505 Napa 5.7 mi e Pope Valley Comment
  JEPS9976  Castilleja attenuata W. L. Jepson 1904-6-3 2436 Napa Howell Mt. Napa Range 792 Comment
  UCD148788  Castilleja attenuata Ellen Dean; Diana Hickson 2014-4-29 8096 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD159786  Castilleja attenuata James A. Neilson Jr. 1975-4-13 3136 Napa Soda Canyon Road, near summit. 457 Comment
  UCSB7453  Castilleja attenuata Kamb, Peter; Chisaki, Francia 1950-4-22 Napa 3.2 miles west of junction of the road with California Highway #37 213 Comment
  UCD122504  Castilleja foliolosa Paul C. Hutchinson 1963-3-3 2675 Napa 2 miles above the St. Helena Sanitarium, along the road to Pope Valley. Comment
  JEPS3673  Castilleja foliolosa C. R. Bell 1951-3-24 896 Napa 1.5 mi s Pacific Union College Comment
  JEPS110656  Castilleja minor subsp. spiralis Jake Ruygt 1982-3-10 1125 Napa north side of American Canyon 128 Comment
  POM180774  Castilleja minor subsp. spiralis J. T. Howell 1930-10-19 5622 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown. Comment
  UCD20380  Castilleja rubicundula K. Esau 1932-5-3 s. n. Napa Napa County, Napa. Comment
  JEPS11160  Castilleja rubicundula subsp. lithospermoides Rachael Wilcox 1944-5-9 Napa Conn Valley Comment
  UCD169784  Castilleja rubicundula subsp. lithospermoides Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 792 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 447 Comment
  JEPS58640  Castilleja subinclusa subsp. franciscana Willis L. Jepson 1896-2-23 Napa near La Jota Falls (meadow); Napa River, Howell Mt. Comment
  JEPS129060  Caulanthus flavescens Jake Ruygt 1993-5-1 3242 Napa Pocock Creek, north of Cedar Creek Road. Jericho Valley 7.5' Quad. Comment
  JEPS110721  Ceanothus confusus Jake Ruygt 1977-3-27 163 Napa Mt. St. Helena 944 Comment
  LA42057  Ceanothus cuneatus Henry Reents; 1936-5-2 sn Napa Mt. St. Helena, E. slope of Mt. St. Helena Comment
  RSA399087  Ceanothus cuneatus Bonnie C. Templeton 1957-6-26 s.n. Napa Between Calistoga and Petrified Forest Comment
  SACT002917  Ceanothus cuneatus John Willoughby 1976-6-4 Napa Collected near top of Mount Vaca, in chaparral. Young individual which germintaed following fire that occured here. Leaves toothed. Comment
  UCD21545  Ceanothus cuneatus B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 4 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, next to Hunting Creek, next to the Hunting Creek Campground parking lot. 335 Comment
  JEPS42208  Ceanothus cuneatus var. cuneatus Willis L. Jepson 1893-4-25 13996 Napa w St. Helena (trail to Caux's Cabin); Hoods Peak Range Comment
  UC483312  Ceanothus cuneatus var. cuneatus Ira L. Wiggins 1932-3-12 5766 Napa hillside between Franz Valley and Calistoga Comment
  UC903042  Ceanothus cuneatus var. cuneatus Ethel Crum 1937-4-19 1784 Napa 15 mi n Napa (Steel Canyon,); Napa Range Comment
  CAS-BOT-BC49795  Ceanothus divergens Alice Eastwood 1923-5-9 11747 a Napa Mt. St. Helena Comment
  CAS-BOT-BC49799  Ceanothus divergens John Thomas Howell 1941-4-5 16160 Napa Franz Valley Comment
  CAS-BOT-BC49800  Ceanothus divergens Walter Knight; Cliff Schmidt 1987-2-27 6058 Napa Korturn Canyon Road 274 Comment
  POM136487  Ceanothus divergens Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena. Comment
  RSA169357  Ceanothus divergens L. S. Rose 1964-4-2 s.n. Napa 2 miles W of Angwin 244 Comment
  JEPS42389  Ceanothus foliosus W. L. Jepson 1893-5-1 14019 Napa at divide, Franz Valley grade from Calistoga Comment
  RSA44294  Ceanothus foliosus E. G. Lovegrove 1946-4-28 s.n. Napa Near upper Mt. St. Helena Comment
  UCD149683  Ceanothus foliosus 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
  UCD162121  Ceanothus foliosus Dylan O. Burge 2014-3-15 1499 Napa Mount Saint Helena. 755 Comment
  SEINET13945880 Image available Ceanothus foliosus Lewis S. Rose 1964-1 64018 Napa 2 mi SW of Angwin alt. ca 800 ft 244 Comment
  SBBG32462  Ceanothus foliosus var. foliosus L. S. Rose 1964-4-2 64018 Napa 2 mi SW of Angwin 243 Comment
  UCD149675  Ceanothus foliosus var. foliosus Stephen P. Rae; Ayzik Solomeshch 2006-4-14 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  CAS-BOT-BC50794  Ceanothus integerrimus Brandegee 1889-6-1 20 Napa Toll House, Mt. St. Helena Comment
  UCD21539  Ceanothus integerrimus B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 3 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, next to first stream crossing W of confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  UCD169651  Ceanothus integerrimus Jake Ruygt 2010-5-6 5546 Napa Snell Valley Road ant [sic] Butts canyon Rd. 198 Comment
  CAS-BOT-BC50632  Ceanothus jepsonii H. E. McMinn 1922-8-1 385 Napa Near Middleton Comment
  JEPS129028  Ceanothus jepsonii Jake Ruygt 2016-6-6 6277 Napa Okin Ranch, Chiles Valley. St. Helena 7.5' Quad. Comment
  JEPS20114  Ceanothus jepsonii Willis L. Jepson 1896-2-23 14032 Napa near New Eden (Howell Mt. Grade); Napa River Basin Comment
  UC1278729  Ceanothus jepsonii G. L. Stebbins 1949-5-9 3931 Napa 6.5 mi se Pope Valley (in Chiles Valley) Comment
  UC796475  Ceanothus jepsonii Ira L. Wiggins 1949-4-30 12095 Napa near Lake County line (hillside along rd from Calistoga to Middletown) Comment
  UCR136728  Ceanothus jepsonii Lester Rowntree 1930-7-15 s.n. Napa Coast Range, Sage Canyon 305 Comment
Read comments
Nov 27 2007
  RSA285632  Ceanothus jepsonii subsp. albiflorus D. C. Michener 1982-7-25 4115 Napa Pope Valley road 1 mile N of jct with lower Chiles Valley road, 5.2 miles SE of jct tiwh Pope Canyon road Comment
  CAS-BOT-BC51129  Ceanothus jepsonii var. albiflorus Mrs. Cornelia S. Masters s.n. Napa mountains of Napa Co. Comment
  HSC103539  Ceanothus jepsonii var. albiflorus Thomas W. Nelson, Jane Nelson 1981-4-14 6381 Napa Along Devil Head Rd., at summit above Cedar Creek 579 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-BC51558  Ceanothus oliganthus var. sorediatus John Thomas Howell 1931-4-3 6133 Napa Pope Creek Canyon, 8.5 miles from Monticello Comment
  CAS-BOT-BC51560  Ceanothus oliganthus var. sorediatus W. L. Jepson 1891-7-7 s.n. Napa in the Vaca Mts. Comment
  UCD112304  Ceanothus oliganthus var. sorediatus Robert C. Bechtel 1952-4-20 70 Napa Samuel Springs, 7 miles northwest of Monticello. 91 Comment
  UCD112327  Ceanothus oliganthus var. sorediatus J. E. Street 1950-4-24 s.n. Napa 8 miles north of Wooden Valley. Comment
  CAS-BOT-BC53178  Ceanothus parryi C. Hart Merriam 1919-9-12 s.n. Napa Napa (hills 4 miles NE) Comment
  CAS-BOT-BC53180  Ceanothus parryi Peter H. Raven 1950-5-6 2031 Napa Shaded s. limits of Calistoga on Rt. 28 60 Comment
  CAS-BOT-BC53225  Ceanothus parryi John Thomas Howell 1931-4-2 6057 Napa Wooden Valley Grade 4.5 miles east of Napa Comment
  JEPS42392  Ceanothus parryi Willis L. Jepson 1893-5-6 14023 Napa Calistoga Comment
  JEPS42409  Ceanothus parryi W. L. Jepson 1924-4-27 10372 Napa Toll House Mt. St. Helena Comment
  RSA293544  Ceanothus parryi C. W. Tilforth 1979-3-22 1855 Napa along Wooden Valley road, NE of Napa Comment
  UC1299537  Ceanothus parryi Freed W. Hoffman 1947-3-20 941 Napa East side of Napa Range on Trinity Road Comment
  UC18397  Ceanothus parryi Willis L. Jepson 1894-10-14 Napa sw Calistoga (Rebecca Ranch grade); Napa River Basin, sw of Calistoga Comment
  UC18399  Ceanothus parryi Willis L. Jepson 1893-5-4 Napa Creek Bed w Calistoga; Creek bed w of Calistoga Comment
  UCD112502  Ceanothus parryi Ray Prag 1971-4-23 s.n. Napa West side of State Highway 121, 1.9 miles south of intersection with Wooden Valley Road. 365 Comment
  UCD95981  Ceanothus parryi Ellen Dean; with Clare Loughran 2011-5-20 7070 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  UCR43182  Ceanothus parryi L. F. LaPre 1985-5-2 s.n. Napa Along Livermore Road between Hwy 29 (At Mountain Mill House Girl Scout Camp) and white point, near Lake Co. line and south of Three Peaks 671 Comment
  JEPS48864  Ceanothus prostratus Elsa Kraeger 1926-3-28 Napa e slope Mt. St. Helena Comment
  RSA10637  Ceanothus prostratus var. occidentalis Carl B. Wolf 1928-5-4 1853 Napa Upper slopes of Mount St. Helena. Comment
  CAS-BOT-BC52182  Ceanothus purpureus Milo S. Baker 1942-3-1 10190 Napa Northeast of town of St. Helena on road to Pacific Union College Comment
  CAS-BOT-BC83729  Ceanothus purpureus D. O. Burge 2007-5-4 905 b Napa Atlas Road, at roadside 5.7 road miles (9.1 km) N of intersection with Monticello Road (SR 121) 410 Comment
  CDA11157  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11568 Napa North Coast Biodiversity Arena; Howell Mtn., W face, 2-3 mi. W of Angwin, alongside Howell Mtn Rd. Comment
  RSA19031  Ceanothus purpureus Alice Eastwood, John T. Howell 1937-4-4 3832 Napa Wooden Valley Grade Comment
  RSA758696  Ceanothus purpureus Dylan O. Burge 2007-5-4 DOB 905 c Napa Atlas Road, at roadside 5.7 road miles north of intersection with Monticello Road (SR 121), east of Milliken Canyon (Milliken Reservoir watershed), 11.4 km 20 degrees true north-northeast of Napa. 410 Comment
  UCD112679  Ceanothus purpureus Roman Gankin 1966-3-3 685 Napa State Highway 121, 1.9 miles southwest of its junction with Wooden Valley Road. Comment
  UCR220104  Ceanothus purpureus Ayzik Solomeshch, Stephen Rae 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  SEINET12209948  Ceanothus purpureus L. S. Rose 1937-1 37021 Napa Gorges N of Mt. George near Napa. Wooden Valley Grade, 6 mi NE of Napa 183 Comment
  UCD130000  Centaurea calcitrapa Beecher Crampton 1962-9-11 6674 Napa Wragg Canyon Resort, Lake Berryessa. Comment
  UCD18004  Centaurea melitensis Ellen Dean; with Plant Biology 102 class 2001-4-28 735 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Downslope of West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. Along old road that leads NW and downslope along a ridge. 242 Comment
  UCD130089  Centaurea solstitialis Mannix Mendoza Date Unknown 13 Napa Hwy 128, 1 mile south of Lake Berryessa. Comment
  UC153976  Centaurium muehlenbergii Joseph P. Tracy 1905-7-6 2227 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); North Coast Ranges, Howell Mtn 365 Comment
  CDA14310  Centaurium tenuiflorum W. Ogden 1998-7-6 s.n. Napa North Coast Biodiversity Arena; Pope Valley Rd. 0 Comment
  UCD170454  Centaurium tenuiflorum Daniel Potter; Ninh Khuu 2016-6-8 883 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  JEPS106528  Centaurium trichanthum Jake Ruygt 1980-6-1 907 Napa Milton Rd. 0 Comment
  JEPS46939  Centaurium trichanthum W. L. Jepson 1938-9-24 19022 Napa canyon of Limekiln Creek Pope Valley 304 Comment
  UCD170276  Centromadia fitchii Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 810 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 637 Comment
  JEPS38180  Centromadia fitchii Willis L. Jepson 1893-9-25 Napa Suscol Hills Comment
  CAS-BOT-BC272822  Centromadia parryi subsp. parryi H. M. Hall 1923-10-15 11948 Napa Calistoga Comment
  CAS-BOT-BC272825  Centromadia parryi subsp. parryi David D. Keck; J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi. N. of the center of town at the geysers Comment
  SBBG36844  Centromadia parryi subsp. parryi D. D. Keck, J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi N of center of town at the geysers Comment
  UC894336  Centromadia parryi subsp. parryi Alice Eastwood 1918-9-3 7960 Napa Calistoga Comment
  JEPS51346  Cerastium glomeratum Willis L. Jepson 1897-5-2 Napa Napa River Basin, Rebecca Ranch Grade Upper Napa Valley, Napa River Basin, Rebecca Ranch Grade Comment
Read comments
Aug 24 2010
  UCD48851  Cerastium glomeratum L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 10 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd., S of North Decker Canyon Rd. and N of Cut-Off Rd. 152 Comment
  SBBG29899  Cercis occidentalis E. Crum 1937-4-18 1787 Napa 11 mi N of Monticello on Knoxville Rd Comment
  CHSC79353  Cercocarpus betuloides Beecher Crampton 1966-5-10 7715 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  JEPS45534  Cercocarpus betuloides var. betuloides W. L. Jepson 1915-12-6 6583 Napa Howell Mountain Comment
  UC12148  Cercocarpus betuloides var. betuloides Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  UC859440  Cercocarpus betuloides var. betuloides Alice Eastwood 1922-5-4 11280 Napa Mount St. Helena Comment
  CAS-BOT-BC284568  Chaenactis glabriuscula var. heterocarpha John Thomas Howell 1931-4-19 6459 Napa Conn Valley Comment
  POM182724  Chaenactis glabriuscula var. heterocarpha D. D. Keck 1931-4-3 1063 Napa Pope Creek Canyon, 8 miles NW of Monticello Comment
  UC410440  Chaenactis glabriuscula var. heterocarpha Alice Eastwood 1930-4-13 Napa canyon between Monticello and Pope Valley Comment
  UCD170675  Chaenactis glabriuscula var. heterocarpha Matthew Conner; Plant Science 102 class 2018-4-28 11 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  POM54141  Chaenactis glabriuscula var. heterocarpha C. F. Baker 1903-5-8 2967 Napa Knoxville. Comment
  JEPS106429  Chamaesyce nutans Jake Ruygt 1979-8-6 789 Napa .3 miles south of Oak Knoll Ave. on Solano Ave. 30 Comment
  CHSC103012  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-12 16437 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS106425  Chamaesyce serpillifolia subsp. serpillifolia Jake Ruygt 1978-10-22 425 Napa .3 miles north of Airport Rd., Sheehy Cr 6 Comment
  JEPS115769  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-12 16437 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  JEPS103992  Cheilanthes gracillima Jake Ruygt 1988-4-17 2154 Napa Mt. St. Helena below SW peak; upper portion of canyon 1103 Comment
  CAS-BOT-BC68160  Cheilanthes intertexta Peter H. Raven 1951-6-10 2921 Napa Crater Region e. of Palisades 762 Comment
  JEPS59712  Chenopodium ambrosioides W. L. Jepson 1894-11-5 Napa Napa River Comment
  UCD148777  Chenopodium californicum Jake Ruygt 2005-2-12 4695 Napa Napa County; Berryessa Knoxville Road at south entry into Knoxville Wildlife Area. 234 Comment
  UC924253  Chenopodium multifidum H. S. Reed 1948-11-5 2028 Napa 2 mi n Monticello; Berryessa Valley Comment
  JEPS120401  Chenopodium vulvaria Jake Ruygt 1996-6-1 3727 Napa Hwy 128 about 3/4 mile north of Turtle Rock Cafe. Comment
  UCD68010  Chlorogalum pomeridianum P. J. Plummer 1995-6-5 s.n. Napa Napa County Highway 128. 73 Comment
  JEPS128905  Chloropyron molle Jake Ruygt 1979-7-29 783 Napa Fagan's Marsh. Cuttings Wharf 7.5' Quad. Comment
  CDA18829  Chondrilla juncea O. Dannenberg 1999-6-22 PDR 1103331 Napa Hwy 29 Yountville overpass, Yountville. 0 Comment
  CAS-BOT-BC256931  Chorizanthe membranacea Peter H. Raven 1951-6-10 2945 Napa Crater Region e. of Palisades 762 Comment
  UC54973  Chorizanthe membranacea Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs (Napa River Basin, Napa Range); Napa Range, Napa River Basin, Napa Soda Springs Comment
  JEPS120318  Chorizanthe stellulata Jake Ruygt 1993-5-22 3265 Napa On private road across from James Creek Road at Butts Canyon Road. Aetna Springs 7.5' Quad. Comment
  CAS-BOT-BC36451  Chrysolepis chrysophylla var. minor H. E. Mc. Minn 1922-3-27 53 Napa Mt. St. Helena 1066 Comment
  JEPS106527  Cicendia quadrangularis Jake Ruygt 1982-5-4 1226 Napa Suscol plain between Steel Mill and HWY 29 (221) 3 Comment
  UCD159451  Cichorium intybus D. S. Park 2010-8-5 207 -2 Napa East of Lake Hennessey. Rt. 128, Sage Canyon Rd. Disturbed, roadside. 102 Comment
  UCD130481  Cichorium intybus Austin Griffiths Jr.; Patricia L. Griffiths 1963-9-5 4824 Napa Expty residental lot, Napa Valley. 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
  CDA11426  Cirsium cymosum G. F. Hrusa, M. Tu 1995-5-6 12149 Napa North Coast Biodiversity Arena; approx. 1.25 m. above Aetna Springs, on Aetna Spr. Rd. Comment
  CDA1210  Cirsium douglasii var. douglasii Gene Cornett 1952-1-2 s.n. Napa S.E. corner of Napa Co.( 300 yds N of American Canyon Rd., 2.7 mi. E of Hwy 29, about 0.3 mi W of I-80)(map with sheet #3 of 4) Comment
  CDA1212  Cirsium douglasii var. douglasii T. C. Fuller 1961-6-15 6339 Napa 0.5 mi. n. of American Canyon Rd. about 2 mi e. of Napa Junction (Hwy 29). Comment
  CDA1303  Cirsium occidentale var. californicum R. Lawley 1968-5-4 s.n. Napa Oakville Grade Rd. Comment
  JEPS59276  Cirsium occidentale var. venustum W. L. Jepson 1923-4-29 9890 Napa St. Helena Comment
  JEPS59207  Cirsium occidentale var. venustum Willis L. Jepson 1901-8-6 1732 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC288698  Cirsium remotifolium John Thomas Howell 1931-4-19 6437 Napa Spring Mt Rd, 3 miles from St Helena Comment
  JEPS59181  Cirsium remotifolium var. odontolepis W. L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  UCD19925  Cirsium vulgare E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 780 Napa Quail Ridge Reserve. Decker Canyon, along Decker Bay trail. 140 Comment
  CAS-BOT-BC169771  Cistanthe quadripetala John Thomas Howell 1940-5-19 15460 Napa Upper St. Helena Creek Comment
  UCD167269  Clarkia affinis Jake Ruygt 2010-5-16 5557 Napa Mt. George, Foote Botanical Preserve, west slope. 256 Comment
  UC1299419  Clarkia amoena Freed W. Hoffman 1947-6-19 1652 Napa near Knoxville; North Coast Ranges Comment
  CAS-BOT-BC160919  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1939-6-11 7421 Napa Hood Mt. Range sw. of Oakville Comment
  JEPS110769  Clarkia amoena subsp. huntiana Jake Ruygt 1987-6-6 2037 Napa Redwood Rd. at Mt. Veeder Rd. 109 Comment
  UCR260821  Clarkia arcuata M. Kauffman 1997-5-28 24 Napa North Coast Range, 0.3 mi. west of Berryessa-Knoxville Rd. on 128, 5.2 miles west of 121 & 128 junction, mile marker 18.71 on 128 366 Comment
  UCD63051  Clarkia concinna D. Sanchez-Mata 2006-6-11 s.n. Napa Turtle Rock-Rutherford. Lower Chiles Valley Road. Chiles Valley. 270 Comment
  POM38096  Clarkia concinna subsp. concinna Marcus E. Jones 1881-7-6 s.n. Napa St. Helena. Comment
  JEPS43610  Clarkia concinna subsp. concinna W. L. Jepson 1908-5-23 3006 Napa hills e St. Helena Comment
  RSA0060005  Clarkia concinna subsp. concinna Reino Alava 1957-5-30 980 Napa Along State Highway No. 128 at the Napa - Solano county line Comment
  RSA262483  Clarkia concinna subsp. concinna Barrie Stanfield 1966-5-22 51 Napa ca. 5 miles south of Wooden Valley Comment
  UCD104555  Clarkia gracilis M. Wiesendanger 1927-5-4 681 Napa Near Monticello. Comment
  UCD170162  Clarkia gracilis Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 775 Napa Knoxville Wildlife Area, chaparral above and west of Berryessa-Knoxville Road 400 Comment
  RSA155889  Clarkia gracilis subsp. albicaulis Peter H. Raven 1962-5-31 17920 Napa Lower Lake; Knoxville Road, 1.9 miles south of Lake Co. line Comment
Read comments
Jul 17 2015
  UCD48061  Clarkia gracilis subsp. gracilis J. Howard; M. Carson, A. Haselby, P. Mayers 2000-4-29 17 Napa McLaughlin Reserve, near Yolo County line. 670 Comment
  JEPS110765  Clarkia gracilis subsp. sonomensis Jake Ruygt 1976-5-18 90 Napa 1.4 miles west of Madronna St. on Spring Mountain Rd. 152 Comment
Read comments
Aug 15 2010
  UCD48059  Clarkia purpurea subsp. quadrivulnera M. K. Voigt; E. Sweeney, and M. Miller 2002-4-13 8 Napa McLaughlin UC Reserve. SW of old town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 Comment
  UCD81814  Clarkia purpurea subsp. quadrivulnera Ellen Dean 2009-4-24 5441 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  JEPS43573  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1894-5-1 14344 Napa St, Helena Comment
  UCD167275  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1991-6-1 2706 b Napa Campbell Flat, Mount St. John. 310 Comment
  UCD18460  Clarkia purpurea subsp. quadrivulnera Linda Coats 1983-5-29 42 Napa 1 mile from intersection of Coombsville Rd. and Wild Horse Valley Rd., end of Green Valley Rd. Comment
  RSA491722  Clarkia unguiculata James L. Reveal 1987-6-7 6392 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
  UCD105090  Clarkia unguiculata L. P. Thibault 1995-5-19 38 Napa Northside of Highway 128, N of Lake Solano, approx. 2-3 miles E of Monticello Dam. 125 Comment
  POM215776  Clarkia unguiculata D. D. Keck 1933-5-29 2353 Napa Pope Creek bridge south of Walters Springs. 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
  UCD15612  Clarkia unguiculata Lisa Montany 1985-6-1 30 Napa Highway 128, 3 miles west of Monticello Dam. 213 Comment
  CAS-BOT-BC439132  Claytonia exigua subsp. exigua John Thomas Howell 1926-3-21 1727 A Napa St. Helena Creek below Patten's Comment
  JEPS129175  Claytonia exigua subsp. exigua Jake Ruygt 2015-3-10 6036 Napa Sutro Ranch, east side of Atlas Peak. Yountville 7.5' Quad. Comment
  JEPS43259  Claytonia exigua subsp. exigua W. L. Jepson 1900-3-10 514 Napa Howell Mt. Comment
  CAS-BOT-BC439370  Claytonia gypsophiloides Marjorie Swabey 1924-2-22 s.n. Napa Toll house road, Mt St Helena on Calistoga side Comment
  CAS-BOT-BC439372  Claytonia gypsophiloides Peter H. Raven 1951-6-10 s.n. Napa Crater Region, e. of Palisades 762 Comment
  CAS-BOT-BC439375  Claytonia gypsophiloides Carl B. Wolf 1928-5-3 1829 Napa Base of Mt. St. Helena Comment
  JEPS48651  Claytonia gypsophiloides Elsa Kraeger 1926-3-28 Napa 0.5 mi from St. Helena Inn Comment
  RSA31697  Claytonia gypsophiloides A. A. Heller 1929-3-16 s.n. Napa Grade near foot of Mt. St. Helena. Comment
  CAS-BOT-BC233836  Claytonia parviflora subsp. parviflora John H. Thomas 1955-5-21 5179 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  JEPS112601  Claytonia parviflora subsp. parviflora Jake Ruygt 1992-3-10 2850 Napa Johnson's Meadow ; Wild Horse Valley Ranch 426 Comment
  UCD49150  Claytonia parviflora subsp. parviflora L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 12 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream, SE of the intersection of North and South Decker Canyon Rds. 3 ft. from stream, in shade. Comment
  UCD15055  Claytonia perfoliata Craig Homan 1977-4-8 5 Napa California, Napa Co.; along Highway 128, 17 miles southwest of Winters; Comment
  CAS-BOT-BC439943  Claytonia perfoliata subsp. mexicana Gilbert Muth 1967-4-28 650 Napa Spring Mountain Road, St. Helene [Helena] Comment
  RSA195387  Claytonia rubra Gilbert Muth 1967-4-9 609 Napa Bateman Creek. 610 Comment
  CAS-BOT-BC91451  Clematis lasiantha Gilbert Muth 1967-4-9 612 Napa Aetna Springs Road. 304 Comment
  SEINET9364415  Clematis lasiantha Unknown 1995-4-16 Napa Napa County Comment
  RSA98637  Clematis lasiantha Beecher Crampton 1954-5-18 1918 Napa Foothills with live and Blue Oak manzanita, 10 miles SW of Monticello, Hwy 128. Comment
  JEPS129134  Clinopodium douglasii Jake Ruygt 1979-5-29 639 Napa 1.9 NW of Browns Valley Road on Redwood Road. Napa 7.5' Quad. Comment
  UC483682  Collinsia greenei Milo S. Baker 1932-4-26 5965 Napa between Monticello and Pope Val (on Monticello rd to Pope Val, nearer to Pope Val than to Monticello) Comment
  UCD164485  Collinsia heterophylla J. A. Johnston 1995-5-7 10 Napa Next to Hwy 128 approximately 0.5 miles west Markley Cove on Lake Berryessa. 1000 Comment
  RSA789049  Collinsia heterophylla Carrie A. Herd 1982-5-9 95 Napa Sage Canyon Road 0.8 m. W.. of Con Dam Comment
  UCD70459  Collinsia heterophylla M. Thibodeau 1995-4-15 9 Napa W of City of Winters, along hwy 128. Quail Ridge Reserve; 15 m N of main cabin. Flowers purple. 274 Comment
  UCD14918  Collinsia sparsiflora Gail Matson 1977-4-16 22 Napa along Highway 128, 6.4 miles south-west of Monticello Dam; 213 Comment
  CDA11334  Collinsia sparsiflora var. arvensis G. F. Hrusa 1995-4-2 12044 Napa North Coast Biodiversity Arena; Above Highway 128. Comment
  POM204283  Collinsia sparsiflora var. arvensis J. T. Howell 1931-4-19 6464 Napa Conn Valley. Comment
  JEPS29585  Collinsia sparsiflora var. collina Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8442 Napa 4.8 miles N of Vichy Springs junction (with Calif. 37) along Atlas Peak road; due W of and above Milliken Reservoir. 335 Comment
  JEPS26357  Collinsia sparsiflora var. sparsiflora J. P. Tracy 1902-5-17 1517 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mtn, Moore's Creek 365 Comment
  JEPS85014  Collinsia sparsiflora var. sparsiflora Larry Heckard, Mary Ashton 1969-5-3 2200 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd); Mead Ranch 457 Comment
  UCD123675  Collinsia sparsiflora var. sparsiflora G. F. Hrusa 1995-4-2 12044 Napa above Highway 128. 200 Comment
  UCD123669  Collinsia sparsiflora var. sparsiflora M. N. Artist 1965-3-15 17 Napa dirt road just north side of State Highway 128, just east of Markley Cove at Lake Berryessa. Comment
  JEPS7295  Collinsia tinctoria W. L. Jepson 1904-6-4 2451 a Napa Keller Ranch, Calistoga Keller Ranch Comment
  UC1561247  Collomia diversifolia Barbara Ertter with Annetta Carter 1989-5-28 8514 Napa on Berryessa Rd 2 mi se Lake County line (near Knoxville, serpentine hills s of road) 609 Comment
  UC971708  Collomia diversifolia Herbert L. Mason 1948-5-9 13570 Napa on gravel bars of stream near head of canyon Butts Canyon Comment
Read comments
Sep 27 2012
  UCSC009039  Collomia diversifolia Dylan M. Neubauer 2015-4-26 141 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  UCD167220  Collomia diversifolia Jake Ruygt 1981-5-21 1038 Napa Putah Creek north of Snell Valley. 182 Comment
  RSA304646  Collomia heterophylla D. H. Wilken 1973-5-6 11926 Napa Summit of Howell Mtn. Road, between Anguin and Pope Valley 518 Comment
  UCD118132  Collomia heterophylla Linnea Neuhaus; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  JEPS20326  Cordylanthus pilosus subsp. pilosus Lewis S. Rose 1954-9-13 54115 Napa 1 mi w Calistoga 121 Comment
  RSA537658  Cordylanthus pilosus subsp. pilosus T. I. Chuang, F. M. Chuang, Carl Chuang 1972-7-22 7073 Napa 2 mi. N. of St. Helena. Comment
  JEPS62605  Cordylanthus pringlei T. I. Chuang with Fei-Mei Chuang 1970-8-25 6842 Napa just s Napa and Lake County line (on US Hwy 29) Comment
  JEPS66520  Cordylanthus pringlei L. R. Heckard and T. I. Chuang 1971-8-16 2777 Napa along US Hwy 29 s Middletown (just across the Lake Co. line) 457 Comment
  JEPS6821  Cordylanthus pringlei R. F. Hoover 1938-9-3 3793 Napa e side Mt. St. Helena Comment
  OBI57117  Cordylanthus pringlei T. I. Chuang, Fei-Mei Chuang 1970-7-25 6831 Napa 0.9 mi N of Napa and Lake County line on US hwy 29 Comment
  RSA201598  Cordylanthus pringlei Robert F. Hoover 1966-8-23 9922 Napa East side of Mt. St. Helena, abotu 0.5 miles south of Lake Co. line. Comment
  JEPS69351  Cordylanthus tenuis subsp. brunneus T. I. Chuang 1972-7-8 7061 Napa just s Napa and Lake Co. line (on Hwy 29) Comment
  JEPS50118  Cornus glabrata W. L. Jepson 1923-10-10 10235 a Napa Wooden Valley Comment
  UC723833  Cornus glabrata Joseph Andorfer Ewan 1934-4-30 8849 Napa Steel Canyon 8 mi. s. Monticello; Steel Canyon Comment
  UCD164795  Cornus glabrata Jeff Page 2016-6-13 s.n. Napa Trubody Ranch, 5444 Trubody Lane. 21 Comment
  UCR146186  Cornus glabrata Beecher Crampton 1954-5-20 1920 Napa Coast Range, 3 miles east of Rutherford, along highway 128, Sage Canyon, Conn Creek 91 Comment
  SEINET3089139 Image available Cornus nuttallii Royal D. Suttkus 1967-6-26 67- 30 -15 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UC875882  Cornus nuttallii Alice Eastwood 1922-5-5 11291 Napa Mt. St. Helena Comment
  SEINET5740808 Image available Cornus nuttallii Stephen L. Clement 1973-1 64- 5 -18 Napa 3.1 miles W of Aetna Springs in small canyon.; Aetna Springs 305 Comment
  UC127159  Cornus sericea subsp. sericea Harley P. Chandler Sep 7 1906-Sep 14 1906 7150 Napa Alta Loma Ranch 487 Comment
  SEINET3817855  Cotula coronopifolia J. M. Tucker 1959-4-18 3506 Napa In dry bed of small vernal pool near top of a hill, beside (south side of) Silverado Trail, ca. 3 miles east of Calistoga Comment
  UC1198823  Crassula aquatica Joseph P. Tracy 1902-5-21 1609 Napa 3 - 4 mi. e. Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt. 518 Comment
  UC1300834  Crassula connata var. subsimplex Helen K. Sharsmith 1963-3-17 5217 Napa s. side Mt. Atlas; San Francisco Bay Region 609 Comment
  JEPS129133  Crassula tillaea Jake Ruygt 2014-4-22 5922 Napa North side of Soscol Creek. Cuttings Wharf 7.5' Quad. Comment
  UCD164829  Crepis pulchra Jake Ruygt 2012-6-16 5866 Napa Alston Park near north parking lot. 33 Comment
  JEPS106398  Cressa truxillensis Jake Ruygt 1981-7-20 1070 Napa Fagan's Marsh 2 Comment
  JEPS120403  Crocanthemum scoparium var. vulgare Jake Ruygt 2004-5-8 4600 Napa near Lone Pine Thicket, off Devilhead Comment
  UC1259364  Crypsis schoenoides Barry Hammel 1976-5-30 454 Napa Lake Berryessa Comment
  UCD59945  Crypsis schoenoides Beecher Crampton 1962-9-11 6673 Napa Wragg Canyon Resort, Lake Berryessa. Comment
  SEINET3930503  Crypsis schoenoides David Keil 1986-11-8 19798 Napa Along Lake Berryessa Knoxville Road near Knoxville. Located 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  JEPS100842  Cryptantha hispidula Dean Wm. Taylor with Mey Akasah 1999-6-4 17218 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  SBBG115602  Cryptantha hispidula B. Crampton 1958-4-29 4754 Napa above Capell Crk, N end of Capell Valley Comment
  SEINET4856108  Cryptantha hispidula Carl F. Baker 1903-5-8 2966 Napa Knoxville. Comment
  UCD160721  Cryptantha hispidula Ellen Dean 2015-5-23 8773 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 211 Comment
  RSA0001775  Cryptantha hispidula C. F. Baker 1903-5-8 2966 Napa Knoxville. Comment
  RSA170234  Cryptantha hispidula Joseph P. Tracy 1950-5-23 18682 Napa Serpentine ridge near head of Moores Creek, in Las Posadas State Forest. 335 Comment
  UCD161605  Cryptantha microstachys Jake Ruygt 1999-5-15 4157 Napa north side of Ritchey Canyon, near Bothe State Park. 597 Comment
  UCD74371  Cryptantha muricata Jake Ruygt 2004-5-29 4607 Napa Van Ness Canyon near old hunting camp. 579 Comment
  UC55903  Cryptantha torreyana J. P. Tracy May 15 1903-May 18 1903 1865 Napa near Calistoga; San Francisco Bay Region, Napa Valley 121 Comment
  SEINET3930653  Cupressus macnabiana David Keil 1986-11-8 19788 Napa Along Lake Berryessa Knoxville Rd. near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  CAS-BOT-BC85483  Cupressus sargentii John Thomas Howell 1927-8-24 3050 Napa Moist, rocky stream-bottom, Butts Valley, on Pope Valley-Middletown road, Napa Range Comment
  CAS-BOT-BC85486  Cupressus sargentii Carl Brandt Wolf 1928-2-25 1507 Napa 3 miles north of summit of Mt. St. Helena grade Comment
  POM196468  Cupressus sargentii J. T. Howell 1927-8-24 3051 Napa Pope Valley - Middleton Road, Napa Range Comment
  UC766773  Cupressus sargentii R. F. Hoover 1941-4-26 4930 Napa a short distance below Lake County line; Butts Canyon Comment
  UCD14259  Cupressus sargentii Tim Metcalf 1974-5-18 325 Napa south of Road 121, 4.2 miles west of junction with Road 128. 198 Comment
  POM282208  Cupressus sargentii Lyman Benson 1935-2-25 6244 Napa N Base Mt St Helena. Mayacamas mtn range, Putah Creek watershed. Napa-Lake Cos. 549 Comment
Read comments
Jan 25 2016
  RSA995  Cupressus sargentii J. T. Howell 1927-8-24 690 Napa Butts Valley, Napa Range Comment
  UCD170462  Cuscuta Daniel Potter; Ninh Khuu 2016-6-18 891 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 442 Comment
  UCD170470  Cuscuta brachycalyx Daniel Potter; A Holland, D McNair, H Won, K Battenberg 2016-6-23 899 Napa Knoxville Wildlife Area, west slope of ridge above upper Zim Zim Creek drainange east of Knoxville-Devilhead Road. 490 Comment
  JEPS47107  Cuscuta californica W. L. Jepson 1930-10-19 15691 Napa Butts Canyon Comment
  JEPS47111  Cuscuta californica W. L. Jepson 1894-10-13 70 c Napa Conn Valley Comment
  UCD160702  Cuscuta howelliana Ellen Dean; Jake Ruygt 2015-5-23 8761 Napa McLaughlin UC Reserve on the N side of Knoxville-Berryessa Road, west of the old town of Knoxville site. 416 Comment
  UC127129  Cuscuta subinclusa Harley P. Chandler Sep 7 1906-Sep 14 1906 7123 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD167098  Cuscuta subinclusa Jake Ruygt 2015-6-13 6130 Napa Fernandes - Snell Peak, Land Trust. 360 Comment
  CAS-BOT-BC190360  Cynosurus echinatus Peter H. Raven 1952-5-26 4068 Napa Steel Canyon. 304 Comment
  UCD19312  Cynosurus echinatus M. A. Bibbo; E. Dean 2001-7-6 4 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.5 air miles from research station. E (upslope) side of the road. 259 Comment
  UCD60160  Cynosurus echinatus Beecher Crampton 1961-6-12 5903 Napa 7 miles northeast of Napa, Howell Mountains, summit State Hwy. 37. Comment
  CAS-BOT-BC114678  Cyperus eragrostis Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga. Comment
  UCD20706  Cyperus eragrostis Mark Bibbo 2002-7-28 76 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  JEPS64100  Cyperus eragrostis W. L. Jepson 1934-10-19 16901 Napa Napa R., St. Helena Comment
  UC579872  Cyperus eragrostis Annetta Carter 1935-12-1 1018 Napa w. side Wooden Valley Grade Comment
  CHSC102286  Cyperus erythrorhizos Lowell Ahart 2009-10-12 16458 -A Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS115780  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 Winte 130 Comment
  CAS-BOT-BC114361  Cyperus erythrorhizos Peter H. Raven 1951-10-28 3933 Napa Strand of Conn Lakes 152 Comment
  UC1563684  Cypselea humifusa Barbara Ertter with Elizabeth Neese 1988-10-2 7967 Napa ca 15 air mi nnw Napa (Lake Hennessey, on Conn Creek, e of boat-launching ramp on se edge); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  UC1563929  Cypselea humifusa Barbara Ertter with Elizabeth Neese 1988-10-2 7967 Napa 15 air mi nnw of Napa (Lake Hennessey, on Conn Creek, e of boat-launching ramp on se edge); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  CHSC14003  Cystopteris fragilis C. Eiser 1974-4-24 30 Napa Ne Hwy 128, ca. 6 mi from Markley Canyon Launching, Lake Berryessa. 365 Comment
  CAS-BOT-BC70646  Cystopteris fragilis Evelina Cannon 1901-7-15 s.n. Napa Johannisberg, Mt. Veeder Comment
  SD27914  Cystopteris fragilis Carl B. Wolf 1928-5-3 1842 Napa St. Helena Grade north of Calistoga Comment
  CAS-BOT-BC189861  Danthonia californica Peter H. Raven 1952-5-26 4038 Napa Saint Helena to Howell Mountain. 304 Comment
  RSA431669  Datisca glomerata E. S. Spalding 1924-7-4 s.n. Napa Near St. Helena; canyon beyond White Sulphur Springs. Comment
  UCD159908  Daucus pusillus Alice Warrick 2007-5-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD159931  Daucus pusillus 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
  UCD161519  Deinandra corymbosa Jake Ruygt 1990-5-11 2536 Napa Green Island Road at first bend in road. 8 Comment
  SEINET5337981  Delphinium decorum J. Tracy 1902-5-15 1475 Napa On hills at head of Moore's Creek, 3-4 mi. E of Angwin's. 366 Comment
  CAS-BOT-BC10198  Delphinium hesperium Rimo Bacigalupi 1928-6-20 1856 Napa Howell Mtn., 10 miles west of St. Helena Comment
  CAS-BOT-BC10200  Delphinium hesperium H. Lewis; G. Mehlquist 1941-5-9 s.n. Napa Monticello to Napa road, 1.5 miles S of road to St. Helena Comment
  JEPS6234  Delphinium hesperium Willis L. Jepson 1893-6-26 21393 Napa grade to Howell Mt. Napa River Basin Comment
  UCD95806  Delphinium hesperium J. D. Atkin 1952-5-1 7 Napa Portuguese Canyon, ca. 1 mile up Putah Creek from Recreation Beach. Comment
  UC467768  Delphinium hesperium subsp. hesperium H. P. Chandler 1907-5-26 7590 Napa White Sulphur Spring St. Helena Comment
  JEPS110987  Delphinium hesperium subsp. pallescens Jake Ruygt 1992-5-2 2924 b Napa Snell Valley 195 Comment
  UCD48155  Delphinium hesperium subsp. pallescens R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 28 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  CHSC40063  Delphinium nudicaule L. Constance 1938-3-27 2041 Napa Above Wooden Valley 8 mi. NE. of Napa, E. slope of Howell Mountains, North Coast Ranges. 457 Comment
  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
  SEINET12099567  Delphinium nudicaule Thurber 1852-1 511 Napa no further locality 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
  JEPS110982  Delphinium patens subsp. patens Jake Ruygt 1976-4-23 15 Napa 1.9 miles NE of Silverado Trail on Deer Park Rd. 188 Comment
  JEPS100274  Delphinium uliginosum Dean W. Taylor 2001-5-15 17648 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  UC668270  Delphinium uliginosum Joseph P. Tracy 1938-6-5 15831 Napa 5 mi e Angwin's (on hills at head of creek); Howell Mountain, Moore's Creek 365 Comment
  UCD160632  Delphinium uliginosum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8724 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 200 Comment
  SEINET12093076  Delphinium uliginosum F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -326 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  SEINET3824804 Image available Delphinium uliginosum Unknown 1982-6-1 s.n. Napa 9.9 miles south of Middletown Lake or Napa county Comment
  CAS-BOT-BC7913  Delphinium variegatum Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  CAS-BOT-BC7908  Delphinium variegatum David D. Keck 1931-4-2 1054 Napa 4 miles S of Monticello, eastern Napa County Comment
  RSA0102440  Delphinium variegatum subsp. variegatum Mildred E. Mathias 1938-4-24 1334 Napa E side of Mt St. Helena. 457 Comment
  UC142990  Dendromecon rigida Mrs. K. Brandegee May, 1910 94 Napa on slopes back of Toll House; North Coast Ranges, Mt. St. Helena Comment
  UCR212330  Dendromecon rigida Ayzik Solomeshch, Stephen Rae 2007-3-19 s.n. Napa North Coast Range, Northwest of the town of Yountville, along Oakville Grade Road, c. 6 miles west of the intersection with Hwy 29 [onto Dry Creek Road?] Comment
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Oct 10 2015
  CAS-BOT-BC656  Dendromecon rigida subsp. rigida Amos Arthur Heller 1940-6-13 15737 Napa East side of Mt. St. Helena on the rd leading to the summit just above the jctn. of the trail from the Stevenson Tablet. Comment
  POM126101  Deschampsia cespitosa Joseph P. Tracy 1902-5-18 1543 Napa Head of Moore's Creek 518 Comment
  UCD61222  Deschampsia cespitosa Beecher Crampton 1957-5-8 4000 Napa Above Capell Creek, north end of Capell Valley along State Hwy. 128. Comment
  JEPS122990  Deschampsia danthonioides Jake Ruygt 1996-4-11 3592 Napa Calistoga Airport. Quad: Calistoga. Comment
  UC1746020  Deschampsia danthonioides Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2773 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UCD164842  Deschampsia danthonioides Jake Ruygt 2012-5-19 5849 -b Napa Near Stone Corral Creek, Spanish Valley. 219 Comment
  UC187276  Deschampsia elongata J. P. Tracy 1902-5-19 1552 1/2 Napa 3 - 4 mi. e. Angwin's (Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 518 Comment
  CAS-BOT-BC499416  Dichelostemma capitatum Peter H. Raven 1953-5-2 5388 Napa Hills due e. of Yountville 243 Comment
  CAS-BOT-BC499422  Dichelostemma capitatum H. C. Cantelow 1939-4-8 3923 Napa 2.5 mi. n. w. of Knoxville Comment
  RSA638889  Dichelostemma capitatum Mark Harder 1977-4-16 4 a Napa 6.4 miles SW of Monticelo Dam along Hwy 128. 183 Comment
  UCD14948  Dichelostemma capitatum Mark Harder 1977-4-16 4 a Napa California, Napa Co.; 6.4 miles southwest of Monticelo Dam along Highway 128; Comment
  RSA15624  Dichelostemma capitatum subsp. capitatum Carl B. Wolf 1928-2-25 1483 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UCD139189  Dichelostemma capitatum subsp. capitatum J. D. Clark 1995-5-27 18 Napa Napa County. Collected on trail between 1/4-3/4 mile from trailhead at Highway 129. Trailhead begins on the E side of Highway 129 across from the Robert Lewis Stevenson State Park parking lot. 548 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
  UCD48780  Dichelostemma capitatum subsp. capitatum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  RSA195380  Dichelostemma capitatum subsp. capitatum Gilbert Muth 1967-4-16 637 Napa Snell Valley. 183 Comment
  UCD83668  Dichelostemma congestum Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 3 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 178 Comment
  CDA10862  Dichelostemma volubile G. F. Hrusa, M. Rejmanek 1993-5-15 10957 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CAS-BOT-BC153778  Diplacus angustatus Barbara Ertter; Jeffrey Strachan 1980-5-9 3329 Napa Las Posadas State Experimental Forest on Howell Mountain 1-2 mi east of Angwin 548 Comment
  CAS-BOT-BC151959  Diplacus douglasii Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  SEINET200708  Diplacus douglasii J. P. Tracy 1902-1 1624 .5 Napa Head of Moore's Cr, 3-4 mi E of Angwin's, Howell Mountain 366 Comment
  CAS-BOT-BC151940  Diplacus douglasii Maxine Wilkes 1940-5-5 s.n. Napa Creek draining St. Helena Palisades Comment
  CAS-BOT-BC153283  Diplacus kelloggii John Thomas Howell 1940-5-19 15452 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC153275  Diplacus kelloggii Alice Eastwood 1915-6-5 4613 Napa Petrified Forest Comment
  CAS-BOT-BC153411  Diplacus layneae Alice Eastwood 1915-6-6 4674 Napa Mt. St. Helena Comment
  JEPS8808  Dipsacus fullonum W. L. Jepson 1936-5-30 17562 Napa Napa Valley, Rutherford Rutherford; Napa Valley, Rutherford Comment
  CDA6691  Dipsacus fullonum Margaret Bellue 1933-5-8 Napa 0 Comment
  UCD137496  Dipsacus sativus C. Heiser 1947-5-17 1913 Napa between St. Helena and Calistoga. Comment
  RSA52659  Disporum hookeri var. hookeri I. L. Wiggins 1949-4-30 12088 Napa E flank of Mt St Helena. 915 Comment
  CAS-BOT-BC208623  Distichlis spicata Peter H. Raven 1951-6-24 3024 Napa Inter, Brown's Valley to Napa-Sonoma Rd. 91 Comment
  HSC100797  Dittrichia graveolens Lowell Ahart 2009-10-27 16503 Napa Along road at the intersection of Pope Canyon Rd. and Berryessa Knoxville Rd., near Lake Berryessa, 20 (air) mi. W of Winters. 152 Comment
  JEPS9524  Dodecatheon hendersonii Willis L. Jepson 1893-3-13 14587 Napa hills e St. Helena (Napa River Basin); , e of St. Helena Comment
  UCD118964  Dodecatheon hendersonii M. Sidells 1996-4-20 10 Napa Along trail running along southwest side of Lake Berryessa, 100m from Knoxville Rd. 250 Comment
  UCD49114  Dodecatheon hendersonii L. Wynholds; S. Du Plessis and B. Erickson, and C. Malleck 2001-4-14 24 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along South Decker Canyon Rd. between Cut-Off Rd. and Decker Ridge Rd. 266 Comment
  POM78451  Dodecatheon hendersonii C. F. Baker 1903-4-20 2616 Napa Mt. St. Helena. Comment
  RSA461376  Dodecatheon hendersonii H. de Forest 1930-3-23 s.n. Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  UCD15067  Dodecatheon hendersonii Marcia R. Davis 1977-4-16 16 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam, on the left side of the road while travelling southwest; 213 Comment
  JEPS14419  Downingia concolor var. concolor W. L. Jepson 1893-4-27 21195 Napa sw of Napa City Comment
  UCD75836  Downingia concolor var. concolor Jake Ruygt 1993-5-1 3245 Napa Pope Canyon Rd. at large vernal pond. 187 Comment
  UCD167135  Downingia cuspidata Jake Ruygt 2015-5-23 6108 d Napa West of Buck Mountain. 599 Comment
  JEPS14488  Downingia cuspidata W. L. Jepson 1938-5-25 18872 Napa 3 mi s Yount School (e side of Napa Valley); Napa Valley Comment
  POM59145  Downingia pusilla A. A. Heller, H. E. Brown 1902-4-25 s.n. Napa Near Napa Comment
  UCD17966  Draba verna Ellen Dean; Kate Mawdsley 2001-4-9 685 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  CHSC31985  Dryopteris arguta L. Ahart 1976-3-7 1020 Napa Above Monticello Dam, ca. 2 mi sw of Monticello Dam. 152 Comment
  CAS-BOT-BC70945  Dryopteris arguta Peter H. Raven 1954-1-22 6381 Napa Sulphur Springs Resort, west of St. Helena 121 Comment
  CAS-BOT-BC70949  Dryopteris arguta Rimo Bacigalupi 1924-2-22 s.n. Napa Toll house, Mt. St. Helena Comment
  UCD136436  Dryopteris arguta G. F. Hrusa; G. L. Stebbins 1994-3-11 11614 Napa Las Posadas State Forest, immediately E of Fire Station. 550 Comment
  UC191167  Dudleya cymosa C. F. Sonne 1897-4-1 Napa St. Helena Comment
  CAS-BOT-BC428156  Dudleya cymosa subsp. cymosa Alice Eastwood 1930-4-1 s.n. Napa In canon on way to Pope Valley 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
  CHSC102279  Echinochloa colona Lowell Ahart 2009-10-12 16463 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UC1562616  Echinodorus berteroi Barbara Ertter with Elizabeth Neese 1988-10-2 7968 Napa Lake Hennessey ca. 15 airmiles n.n.w. of Napa (e. of boat-launching ramp on s.e. edge, on Conn Creek in N. Coast Ranges); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
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Jul 2 2011
  UCD161323  Echinodorus berteroi Jake Ruygt 1979-8-11 792 Napa Lake Hennessey. (Coordinates estimated by label maker at UC Davis). 96 Comment
  JEPS121339  Eleocharis acicularis var. bella Jake Ruygt 1991-6-29 2747 Napa Doe Lake, Friesen's lakes, Angwin. Comment
  JEPS121356  Eleocharis macrostachya Jake Ruygt 1996-5-13 3666 Napa .9 mile south of Pope Canyon Road on Hardin Road. Comment
  CAS-BOT-BC451525  Elodea canadensis Peter H. Raven 1952-5-31 4110 Napa Conn Cr. e. of Yountville 45 Comment
  SACT001058  Elymus canadensis M. Wiesendanger 1927-5-4 Napa Comment
  CDA29118  Elymus glaucus D. G. Kelch, Daniel Weinstein 2009-6-21 9 .448 Napa Near Skyline Park. Comment
  UCD61805  Elymus glaucus Beecher Crampton 1957-6-4 4097 Napa Above Capell Creek, north end of Capell Valley. 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
  JEPS122979  Elymus glaucus subsp. glaucus Jake Ruygt 1988-6-4 2212 Napa South slope Mt. St. Helena above Red Hill. Quad: Detert Reservoir. Comment
  SACT001100  Elymus glaucus subsp. glaucus John Willoughby 1979-5-25 Napa About 1 mile south of Signal Hill just below and to the west of Blue Ridge. Forming colonies under oaks, top of ridge just above Pansy Flat. 609.6 Comment
  SEINET192619  Elymus glaucus subsp. glaucus C. B. Wolf 1928-5-3 1794 Napa 5 mi N of Calistoga Mt St Helen grade Comment
  JEPS75677  Elymus glaucus subsp. jepsonii W. L. Jepson 1936-5-28 17542 Napa Howell Mt., Adam-and-Eve Ridge Comment
  UC187091  Elymus multisetus Joseph P. Tracy 1904-5-23 2098 Napa near Calistoga; Northern Coast Ranges, Napa Valley 243 Comment
  RSA113794  Elymus trachycaulus subsp. trachycaulus Beecher Crampton 1957-6-4 4106 Napa Above Capell Creek, north end of Capell Valley Comment
  JEPS110832  Emmenanthe penduliflora Jake Ruygt 1979-5-16 601 Napa 5.8 miles east of Monticello Rd. on HWY 128 304 Comment
  UCD159910  Emmenanthe penduliflora Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section. Near Q58 or Q59. 243 Comment
  UC127472  Epilobium brachycarpum Harley P. Chandler Sep 7 1906-Sep 14 1906 7121 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD164739  Epilobium campestre Jake Ruygt 2014-7-7 6022 Napa Pope Canyon Road at large vernal marsh. 187 Comment
  CAS-BOT-BC166342  Epilobium canum subsp. canum Philip A. Munz 1947-10-10 12215 Napa Inner Coast Ranges, 11 miles east of Rutherford on road to Winters Comment
  UC1299425  Epilobium canum subsp. canum Freed W. Hoffman 1946-8-20 850 Napa Trinity Road North Coast Ranges, Dry Creek Comment
  CAS-BOT-BC171954  Epilobium canum subsp. latifolium L. R. Abrams 1916-7-2 5753 Napa St. Helena Sanitarium Comment
  SD147979  Epilobium canum subsp. latifolium D. Sanchez-Mata, P. Rodriguez-Rojo 1996-10-19 Napa Knoxville-Berryessa Road. Perennial plant communities in basaltic rocky slopes near Spanish Flat. 220 Comment
  UCD67889  Epilobium canum subsp. latifolium D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Knoxville-Berryessa Road. Near Spanish Flat. 220 Comment
  UC19960  Epilobium densiflorum Willis L. Jepson 1892-7 Napa Knoxville Comment
  HSC43908  Epilobium minutum Robert M. Specht 1977-5-15 882 Napa Ridges below Develhead Rd. 473 Comment
  SEINET215007  Epilobium minutum Darla Gettman 1974-4-13 4 Napa Wallace Hardin Ranch 3.9 miles northeast of Pope Canyon Road and Chiles Valley Road intersection. 244 Comment
  RSA92798  Equisetum laevigatum P. H. Raven 1951-10-28 3922 Napa Yountville. 61 Comment
  RSA756432  Eragrostis hypnoides Barbara Ertter, Elizabeth Neese 1988-10-2 7972 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
  UCD116241  Eremalche parryi Eric S. Nagy 1990-4-29 005 Napa NW shore of Lake Berryessa, Berryessa Knoxville Road mile marker 16.25. Comment
  JEPS68365  Erigeron petrophilus var. petrophilus L. R. Heckard 1972-6-26 2999 Napa se of lookout on peak Mt. St. Helena (below radar station) 1188 Comment
  HSC45345  Eriodictyon californicum R. York 1978-4-8 113 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  JEPS121522  Eriodictyon californicum Adam C. Schneider with Dick O'Donnell 2013-5-26 203 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road Comment
  RSA195348  Eriodictyon californicum Gilbert Muth 1967-5-17 681 Napa Summit of Oat Hill Road. 671 Comment
  UCD118350  Eriodictyon californicum Reed Crane; 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. 403 Comment
  UCD119300  Eriodictyon californicum M. R. Wanzer 1948-5-16 16 Napa Putah Canyon, 12.5 miles west of Winters. Comment
  UCD148826  Eriodictyon californicum Ellen Dean; Diana Hickson 2014-4-29 8131 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  SBBG1475  Eriogonum dasyanthemum J. M. Tucker 1941-9-20 394 Napa Putah Cyn, Vaca Range Comment
  UC534876  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa near Chiles School (upper part Sage Valley); Napa Mountains, Sage Valley Comment
  UCD164780  Eriogonum dasyanthemum Jake Ruygt 1990-9-26 2611 Napa Northwest corner end of Wooden Valley. 307 Comment
  CAS-BOT-BC266055  Eriogonum luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC266064  Eriogonum luteolum Alice Eastwood; John Thomas Howell 1939-6-11 7425 Napa Hood Mt. Range SW of Oakville Comment
  CAS-BOT-BC266067  Eriogonum luteolum Susan G. Stokes 1933-8-27 81 Napa Sage Canyon, Napa Mountains Comment
  RSA102056  Eriogonum luteolum John H. Redfield 1872-8-28 328 Napa Prope Calistoga Comment
  JEPS129116  Eriogonum luteolum var. luteolum Jake Ruygt 2015-7-4 6144 Napa Missimer - Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  JEPS57051  Eriogonum luteolum var. luteolum Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena Comment
  RSA491701  Eriogonum luteolum var. luteolum James L. Reveal 1987-6-7 6411 Napa Along Oakville Grade, 1.5 miles southwest of Oakville, about 6 airline miles south of St. Helena 244 Comment
  UC535075  Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 81 Napa Sage Canyon Napa Mountains Comment
  JEPS56705  Eriogonum luteolum var. luteolum W. L. Jepson 1930-10-19 15682 Napa Conn Creek, at mouth of Sage Canyon, edge of Napa valley on e side Napa Valley, Sage Canyon, Conn Creek 45 Comment
  LA206909  Eriogonum luteolum var. luteolum Marcus E. Jones; 1931-7-5 Napa The Geysers Comment
  UCD164787  Eriogonum luteolum var. luteolum Jake Ruygt 1988-5-29 2191 Napa Devilshead Rd. 448 Comment
  UC6393  Eriogonum nudum var. nudum Willis L. Jepson 1893-10-13 Napa Upper Conn Valley Napa River Basin, Upper Conn Valley Comment
  RSA766355  Eriogonum nudum var. nudum Joseph A. Ewan 1933-9-17 8001 Napa Near Stevenson Monument, Mt St Helena Comment
  CAS-BOT-BC269715  Eriogonum nudum var. oblongifolium John Thomas Howell 1929-8-4 4357 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  CAS-BOT-BC269712  Eriogonum nudum var. oblongifolium H. M. Hall 1923-10-12 11925 Napa Northern Napa Co., 16 mi. s.e. of Lowerlake Comment
  UC1925868  Eriogonum vimineum Ethel Crum October 1930 910 Napa Conn Creek to Pope Valley Comment
  JEPS41069  Eriogonum vimineum Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9106 Napa 1 mi n, along Devilhead Road Zim Zim Creek (about 3 mi sw of Knoxville) 487 Comment
  CAS-BOT-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
  JEPS106952  Eriophyllum confertiflorum Jake Ruygt 1995-6-13 3495 Napa Oakville Grade about 100 yards east of Mt. Veeder Road. 176 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-BC301051  Eriophyllum lanatum var. achilleoides L. R. Abrams 1916-7-2 5755 Napa Near St. Helena Sanitarium Comment
  UCD18121  Eriophyllum lanatum var. achilleoides K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 58 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  CAS-BOT-BC301046  Eriophyllum lanatum var. achilleoides S. Saufferer 1973-5-24 222 Napa About 5 mi. northeast of Calistoga along Highway #29 Comment
  POM358025  Eriophyllum lanatum var. achilleoides L. S. Rose 1934-5-23 34275 Napa N slope of Mt. St. Helena Comment
  UC164782  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1904-5-23 2102 Napa hills on e side Napa Valley (near Calistoga) 243 Comment
  UC642443  Eriophyllum lanatum var. achilleoides Joseph Andorfer Ewan 1934-4-30 8814 Napa 4 mi above Napa; Sarco Creek Comment
  JEPS61368  Erodium brachycarpum W. L. Jepson 1924-4-6 10325 Napa Napa Valley, Conn Creek Conn Creek; Napa Valley, Conn Creek 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
  SEINET5642298  Eryngium aristulatum David Keil 1986-11-8 19795 Napa Along Lake Berryessa Knoxville Road near Knoxville. 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  JEPS17449  Eryngium aristulatum var. aristulatum W. L. Jepson 1894-7-19 14277 Napa big rd. near Tubb's Place above Calistoga; upper Napa Valley Comment
  UCD164833  Eryngium jepsonii Jake Ruygt 2012-6-2 5856 Napa Butts Canyon Road, across road from James Creek Road. Comment
  CAS-BOT-BC54305  Erysimum capitatum Mrs. H. C. Cantelow 1939-4-8 s.n. Napa Knoxville. Comment
  UCD114994  Erysimum capitatum var. capitatum W. M. Grannell 1950-4-27 2 Napa Putah Canyon. Comment
  UCD74391  Erysimum capitatum var. capitatum Jake Ruygt 1986-3-29 1676 Napa Hunting Creek west of Knoxville. 326 Comment
  RSA101849  Erysimum capitatum var. capitatum G. B. Rossbach, Ruth P. Rossbach 1938-6-1 852 Napa Above Wooden Valley on side toward Napa, about 7 mi NE of Napa. 488 Comment
  CAS-BOT-BC133289  Erythronium helenae Ira L. Wiggins 1949-4-30 12092 Napa Eastern slope of Mt. St. Helena near Lake Co. line 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
  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-BC402792  Eschscholzia caespitosa Alice Eastwood 1930-4-13 17925 Napa Canyon between Monticello and Pope Valley Comment
  JEPS110780  Eschscholzia caespitosa Jake Ruygt 1989-4-8 2248 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 182 Comment
  JEPS120329  Eschscholzia caespitosa Jake Ruygt 1978-5-7 295 Napa 1.4 miles east of Spanish Flat turnoff on Highway 128. Lake Berryessa 7.5' Quad. 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
  UCD94055  Eschscholzia caespitosa Shannon M. Still 2006-3-23 62 Napa California. Napa County: CA-128 on northern side of road in turnout. 265 Comment
  UCR146408  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Inner North Coast Ranges, Martley Canyon on Hwy. 128, Vaca Mountains 305 Comment
  RSA51295  Eschscholzia caespitosa subsp. caespitosa Peter H. Raven 1950-4-15 1737 Napa Wooden Valley grade above Napa. 457 Comment
  CAS-BOT-BC403336  Eschscholzia californica Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  UC726443  Eschscholzia californica A. A. Heller 1941-5-16 16125 Napa Knoxville; border of a mine dump Comment
  OBI74552  Euphorbia serpillifolia David J. Keil 1986-11-8 19799 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 3.0 mi S of turnoff to Homestake McLaughlin Mine/Mill 350 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
  POM182718  Euphorbia spathulata D. D. Keck 1931-4-3 1069 Napa Pope Creek Canyon, near Walter Springs. Comment
  UCD170837  Euphorbia spathulata 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UC1058582  Euphorbia spathulata C. H. Lamoureux, J. M. Tucker, and Roman Gankin 1957-4-11 1218 Napa 5.6 mi n State Hwy. 128 junction with State Hwy. 37 (along State Hwy 128) Comment
  CHSC102302  Euthamia occidentalis Lowell Ahart 2009-10-12 16420 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  JEPS32431  Euthamia occidentalis Willis L. Jepson 1893-9-24 Napa Howell Mt. Angwin's; Napa River Basin Comment
  UC31888  Euthamia occidentalis Joseph Burtt Davy 1894-9-30 741 Napa Calistoga Valley Comment
  UCD160801  Festuca californica Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8681 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD19336  Festuca californica M. A. Bibbo; E. Dean 2001-7-6 28 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, along upper road by powerline, ca. 0.4 air miles from jct of W and E roads, on steep N facing slope. 274 Comment
  CAS-BOT-BC278340  Festuca californica subsp. californica Peter H. Raven 1964-5-9 19069 Napa Along dirt road 2 miles west of Aetna Springs Comment
  CAS-BOT-BC278345  Festuca californica subsp. californica L. R. Abrams 1928-5-3 12205 Napa St. Helena Grade Comment
  HSC26181  Festuca elmeri J. P. Smith, J. O. Sawyer 1970-5-17 3778 Napa 3 mi. S of Pope Valley Comment
  UCD65922  Festuca elmeri Beecher Crampton 1970-5-14 8593 Napa 10 miles east of Rutherford. Comment
  UC187105  Festuca idahoensis J. P. Tracy 1902-5-19 1549 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 518 Comment
  UCR30532  Festuca microstachys John C. Roos 1939-4-15 318 Napa North Coast Range, Pope Valley, [near] Pacific Union College, Angwin 240 Comment
  CAS-BOT-BC278835  Festuca occidentalis J. P. Tracy 1902-5-18 1544 1/2 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles East of Angwin's 487 Comment
  JEPS45827  Festuca occidentalis Eleanor Armstrong 1932-5-29 179 Napa near Summit; Mt. St. Helena 274 Comment
  UC187112  Festuca occidentalis J. P. Tracy 1902-5-18 1544 1/2 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 487 Comment
  UCD36938  Festuca roemeri Beecher Crampton 1956-5-25 3458 Napa Vaca Mountains, head of Markley Canyon. Comment
  CAS-BOT-BC279009  Festuca rubra Peter H. Raven 1952-5-31 4152 Napa W. of Rector Dam 182 Comment
  CAS-BOT-BC454533  Fragaria vesca subsp. californica L. R. Abrams 1928-5-3 12238 Napa Summit St. Helena Grade Comment
  CAS-BOT-BC63008  Frangula californica subsp. crassifolia Mark Kerr 1940-5-29 s.n. Napa 3 mi. n. summit of Mt. St. Helena grade. Comment
  UCD112794  Frangula californica subsp. tomentella D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. Serpentine chaparral in Capell Creek. 380 Comment
  UCD67543  Frangula californica subsp. tomentella D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. Serpentine chaparral in Capell Creek. 380 Comment
  CAS-BOT-BC223442  Fraxinus dipetala Peter H. Raven 1952-5-26 4063 Napa Nr. Walter's [Walter] Springs 170 Comment
  UC410443  Fraxinus dipetala Alice Eastwood 1930-4-13 17926 Napa between Monticello and Pope Valley Comment
  UCD122027  Fraxinus dipetala Robert C. Bechtel 1952-4-20 69 Napa Samuel Springs, 7 miles northwest of Monticello. 91 Comment
  CAS-BOT-BC223531  Fraxinus latifolia John Thomas Howell 1926-3-21 1713 Napa St. Helena Creek near Pattens 609 Comment
  CAS-BOT-BC205886  Fremontodendron californicum E. Ruckert 1960-4-3 66 Napa 6495 Dry Creek Road; on terrace 365 Comment
  JEPS42894  Fremontodendron californicum W. L. Jepson 1938-6-11 19005 Napa Knoxville Ridge 731 Comment
Read comments
Jun 12 2012
  UCD116306  Fremontodendron californicum D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-25 s.n. Napa Berryessa-Knoxville Road. UC MacLaughlin Nature Reserve. 650 Comment
  UCD116319  Fremontodendron californicum Robert E. Sholars 1975-5-27 43 Napa East side of State Highway 128, 4 miles north of State Highway 121. Comment
  UCD149634  Fritillaria G. Ledyard Stebbins 1994-4-15 s.n. Napa Hennessey Lake. Comment
  CAS-BOT-BC130078  Fritillaria affinis Alice Eastwood 1915-6-6 s.n. Napa Calistoga Comment
  UC504870  Fritillaria affinis R. M. Holman 1933-4-12 Napa near Mount Veeder Comment
  UCD167091  Fritillaria affinis Jake Ruygt 2015-3-7 6031 Napa South of Snell Peak. 335 Comment
  POM169605  Fritillaria affinis C. F. Baker 1903-4-20 2618 Napa Mt. St. Helena. Comment
  UCSB680  Fritillaria affinis Keator, Glenn 1959-3-28 Napa Near Conn's Picnic grounds, Lake Hennessy Area Comment
  CAS-BOT-BC506161  Fritillaria micrantha Loraine Hart; John Barry 1928-4-21 3626 Napa Mount Saint Helena beyond crater east of chamise lilies Comment
  UCD139705  Fritillaria pluriflora Robert E. Preston 1988-4-10 585 Napa ca. 0.3 mile SE of the confluence of Putah and Hunting Creeks. 304 Comment
  UCD170218  Fritillaria pluriflora Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 739 Napa West side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 371 Comment
  CAS-BOT-BC130485  Fritillaria purdyi John Thomas Howell 1931-4-4 6166 Napa Crater Country, Mt. St. Helena region Comment
  UC796645  Fritillaria recurva Ira L. Wiggins 1949-4-30 12091 Napa Mount St. Helena, near Lake County Line Mount St. Helena Comment
  POM169613  Fritillaria recurva H. P. Chandler 1907-3-6 7503 Napa Reservoir. St. Helena Comment
  UCD118515  Galium andrewsii subsp. andrewsii Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  HSC49622  Galium aparine R. York 1979-4-8 207 Napa Along Silverado Trail Rd., 5 mi. N of Napa Comment
  JEPS110562  Galium bolanderi Jake Ruygt 1981-5-6 1013 Napa Zim Zim Falls 390 Comment
  JEPS52700  Galium bolanderi G. L. Stebbins Jr. 1963-6-12 6130 Napa along creek 2 mi s Lake Berryessa (s side of creek, n-facing slope); Pope Creek 149 Comment
  JEPS110601  Galium divaricatum Jake Ruygt 1992-6-11 3027 Napa south of Mitten lake, Wild Horse Valley Ranch 438 Comment
  JEPS3955  Galium divaricatum John Thomas Howell 1943-6-19 18237 Napa hills w Napa Valley (between St. Helena and Mt. St. John) 228 Comment
  UC710612  Galium divaricatum John Thomas Howell 1943-6-19 18237 Napa hills w Napa Valley (between St. Helena and Mt. St. John) 228 Comment
  UCD73512  Galium divaricatum Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCR64599  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa Hills west of Napa Valley between St. Helena and Mt. St. John 229 Comment
  SBBG29183  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa hills W of Napa Valley between St Helena and Mt St John 228 Comment
  UCSB24071  Galium mexicanum subsp. asperulum James, C. 1966-4-24 Napa Junction of State Highway 12 & 121 and Foster Road, west of Napa Comment
  UCD41466  Galium murale Ellen Dean; Deborah Canington 2003-3-1 1363 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. Along North Decker Canyon Road by running stream. 182 Comment
  UCD13187  Galium nuttallii J. R. Clark 1976-4-11 7 Napa Napa City, 4 mi N of junction of rds 121 and 128, along 128, upslope from road. Comment
  UCD159922  Galium porrigens Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q43 - 2. 243 Comment
  JEPS52755  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1963-5-26 3780 B Napa n St. Helena (junction of road to Angwin and road to Sanitarium) Comment
  UCD95696  Galium porrigens var. porrigens Ellen Dean; with Clare Loughran 2011-5-20 7034 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  UC1196096  Galium tricornutum Joseph P. Tracy 1899-6-13 424 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  CAS-BOT-BC199056  Garrya congdonii John Thomas Howell 1939-5-7 14652 Napa On Lower Lake-Knoxville Road at Lake Co. line. Comment
  UC1122625  Garrya congdonii B. Schreiber 1936-9-20 2353 Napa 5 mi s Reiff; Reiff Quad. 762 Comment
Read comments
Jan 14 2009
  UCD160728  Garrya congdonii Ellen Dean 2015-5-23 8780 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
  CAS-BOT-BC144386  Garrya fremontii H. L. Mason 1925-1-22 1201 Napa Wooden Valley Grade Comment
  UC876025  Garrya fremontii Mrs. C. E. Miller Aug 1918 Napa Howell Mt. Comment
  CAS-BOT-BC159264  Garrya veatchii John Thomas Howell 1933-8-27 11638 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC208042  Genista monspessulana Peter H. Raven 1952-5-26 4040 Napa St. Helena to Howell Mt. 304 Comment
  JEPS129085  Geranium carolinianum Jake Ruygt 2016-4-23 6205 Napa Wantrup Sanctuary, Hardin Road. Saint Helena 7.5' Quad. Comment
  RSA0028367  Geranium carolinianum Gilbert Muth 1967-4-30 662 Napa Near entrance to Snell Valley. 183 Comment
  RSA0028368  Geranium carolinianum Carl B. Wolf 1928-5-3 1802 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD18169  Geranium dissectum Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCD49066  Geranium dissectum L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 3 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  RSA0028547  Geranium molle A. C. Sanders 1996-6-1 18195 Napa Napa: southeast edge of town at Skyline Park, east end of Imola Road East. 91 Comment
  JEPS106750  Geranium purpureum Jake Ruygt 1976-5-14 75 Napa 4.0 miles west of HWY 29 on Redwood Rd. 97 Comment
  UC1535362  Geranium purpureum Glen Holstein 1977-5-11 Napa 0.7 mi n State Highway 121 intersection with Wooden Valley Road (along State Highway 121) Comment
  UCD103474  Geranium purpureum Glen Holstein 1977-5-11 s.n. Napa Along State Highway 121, 0.7 mile north of intersection with Wooden Valley Road. Comment
  RSA119160  Gilia capitata John H. Thomas 1955-5-21 5141 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  RSA83103  Gilia capitata Verne Grant, Alva Grant 1947-5-3 7964 Napa West slope of Mt. St. Helena, ca. 2-3 miles from Knight's Valley. Comment
  JEPS69535  Gilia capitata subsp. capitata W. L. Jepson Nov. 1895 20941 Napa sw St. Helena (White Sulphur Spring); sw of St. Helena, White Sulphur Springs Comment
  JEPS110950  Gilia tricolor subsp. diffusa Jake Ruygt 1992-4-2 2872 Napa Wild Horse Valley Ranch, Johnson's meadow 451 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
  JEPS86005  Gilia tricolor subsp. tricolor C. F. Sonne Apr. 1888 Napa Sierra Nevada Mountains Comment
  POM182707  Githopsis specularioides D. D. Keck 1931-4-2 1022 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  JEPS11814  Githopsis specularioides Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  SBBG100115  Glinus lotoides B. Ertter 1988-10-2 7966 Napa Lake Hennessey ca. 15 air mi NNW of Napa, on Conn Crk; E of boat-launching ramp on SE edge 91 Comment
  UCD19936  Glinus lotoides E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 794 Napa Quail Ridge Reserve. Slough on N side of Decker Bay Trail, in a dried inlet of Lake Berryessa. 128 Comment
  CDA34653  Gnaphalium luteoalbum L. Ahart 2009-10-12 16421 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  UCD121180  Gnaphalium palustre Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7359 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. 405 Comment
  CDA6057  Gnaphalium stramineum R. Barrett 1957-10-17 415 -57 Napa County Corp. yard, Napa. 0 Comment
  JEPS1961 Image available Godetia amoena var. concolor W. L. Jepson 1893-5-2 13337 Napa New Pope Valley grade from Calistoga; Napa River Basin Comment
  SEINET3132905  Grindelia hirsutula M. P. Dunford 1959-10-3 557 Napa Summit of Howell Mtn.; 2 mi. S of Pope Valley on road to Angwin Comment
  CAS-BOT-BC304886  Grindelia hirsutula Peter H. Raven 1951-6-26 3040 Napa Napa - Wooden V. Grade 60 Comment
  RSA122889  Guillenia flavescens B. O. Schreiber 1938-4-24 2500 Napa 0.5 mile NW of Knoxville. 610 Comment
  JEPS54083  Guillenia lasiophylla W. L. Jepson 1894-5-2 13347 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  UC160978  Guillenia lasiophylla Joseph P. Tracy 1902-5-16 1500 1/2 Napa 3 to 4 mi e Angwin's (on hills at Head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  UCD148104  Gutierrezia sarothrae Jake Ruygt 2009-7-28 5466 Napa Blue Ridge, about 1/4 mile north of Mays Flat. 737 Comment
  OBI21959  Hainardia cylindrica S. Galen SMith, J. Anderson 1957-6-7 2958 Napa Myrtledale Hot Srpings 1.5 mi NW of Calistoga 122 Comment
  UC1112229  Hainardia cylindrica S. Galen Smith with J. Anderson 1957-6-7 2958 Napa 1.5 mi nw of Calistoga; Myrtledale Hot Springs 121 Comment
  CAS-BOT-BC302215  Harmonia nutans Joseph P. Tracy 1902-5-20 1565 Napa At Angwin Creek, on Howell Mt. road 457 Comment
  CAS-BOT-BC302226  Harmonia nutans Peter H. Raven 1953-5-2 s.n. Napa Summit of hills e. of Yountville 304 Comment
  CAS-BOT-BC302231  Harmonia nutans Alice Eastwood 1915-6-6 4664 Napa Mt. St. Helena Comment
  JEPS106554  Harmonia nutans Jake Ruygt 1982-4-3 1160 Napa 3.2 miles north of Loma Vista Dr. on Soda Canyon Rd. 304 Comment
  SJSU11766  Harmonia nutans J. D. Paravantes 1973-4-14 Napa Soda Canyon Rd 5 mi N of intersection with Silverado Trail Comment
  UC1199158  Harmonia nutans Joseph P. Tracy 1933-4-30 12117 Napa near Angwins (Howell Mountain); Northern Coast Ranges, Howell Mountain 457 Comment
  UC1301042  Harmonia nutans Helen K. Sharsmith 1963-4-20 5338 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 Comment
  UC1731334  Harmonia nutans Dean W. Taylor 1998-6-3 16478 Napa Cedar Canyon North Coast Ranges (basin in headwaters, between Twin Peaks and Sugarloaf Mtn., at end of road up (w from) Aetna Springs, Detert Res. 7.5' USGS quadrangle) 670 Comment
  UC30654  Harmonia nutans Willis L. Jepson 1893-5-2 Napa New Pope Valley grade Napa River Basin (highest ridges) Comment
  UC761806  Harmonia nutans R. F. Hoover 1941-4-27 4944 Napa rocky hill near Yountville Comment
  JEPS106642  Helenium bigelovii Jake Ruygt 1979-7-21 759 Napa 5.5 miles north of Howell Mtn Rd. on Butts Canyon Rd. 243 Comment
  UCD170289  Helenium bigelovii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 829 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 441 Comment
  RSA756242  Helenium puberulum Barbara Ertter, Elizabeth Neese 1988-10-2 7955 Napa Lake Hennessey about 15 air miles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on north side of Route 128 91 Comment
  UCD159467  Helenium puberulum D. S. Park 2010-8-13 221 Napa Along Berryessa Knoxville Rd. In dried up creek bed. 219 Comment
  UCD132770  Helianthella californica Heidi E. M. Dobson 1977-6-2 263 Napa above Mt. Veeder road. Comment
  CAS-BOT-BC539292  Helianthus G. Ledyard Stebbins 1972-7-20 s.n. Napa Butts Canyon Butts Creek Road, 0.5 mi W of Black Oak Villa [exact location unknown] Comment
  UCD132906  Helianthus bolanderi G. F. Hrusa; T. D. Wilfred 1997-7-24 14020 Napa middle reaches of Butts Canyon +/- 8 to 10 miles southeast of Middletown. 200 Comment
  CAS-BOT-BC305534  Helianthus bolanderi Alice Eastwood 1939-8-20 7618 Napa Capell Creek Comment
  JEPS35475  Helianthus bolanderi W. L. Jepson 1916-8-7 6842 Napa Howell Mt. Comment
  UCD161782  Helianthus gracilentus Jake Ruygt 2000-6-10 4273 Napa Devilhead Road near Lone Pine Thicket. 640 Comment
  RSA769186  Heliotropium europaeum L. Ahart 2009-10-12 16433 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  UC1925925  Hemizonia congesta Ethel Crum Oct 1930 916 Napa Pope Valley. Comment
  CAS-BOT-BC306148  Hemizonia congesta subsp. clevelandii Alice Eastwood 1918-9-3 7962 Napa Calistoga Comment
  UC990638  Hemizonia congesta subsp. clevelandii James I. McMurphy 1909-8-7 696 Napa roadside Calistoga Comment
  CAS-BOT-BC306175  Hemizonia congesta subsp. congesta W. M. Heusi 1930-10-18 105 Napa About 5 miles w. of Cordelia, in waste field along highway to Napa Comment
  CAS-BOT-BC306268  Hemizonia congesta subsp. lutescens W. M. Heusi 1930-10-18 106 Napa About 5 miles w. of Cordelia, in waste field along highway to Napa Comment
  UC726257  Hemizonia congesta subsp. lutescens A. A. Heller 1941-9-22 16316 Napa near Napa junction Comment
  CAS-BOT-BC309839  Hemizonia congesta subsp. luzulifolia Peter H. Raven 1951-10-28 3957 Napa Knoxville 457 Comment
  UC174177  Hemizonia congesta subsp. luzulifolia D. Cleveland 1882-8-23 Napa Aetna Springs Comment
  UCD169864  Hemizonia congesta subsp. luzulifolia Daniel Potter; Peter Lash 2015-4-26 799 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 456 Comment
  CAS-BOT-BC309844  Hemizonia congesta subsp. luzulifolia Joseph Andorfer Ewan 1933-9-17 7999 Napa Napa, Napa Valley Comment
  JEPS38253  Hemizonia congesta subsp. luzulifolia W. L. Jepson 1939-9-12 19486 Napa w St. Helena (1 mi w of summit (w side)); Spring Mtn. Comment
  UC197529  Hemizonia congesta subsp. luzulifolia H. M. Hall 1915-8-12 10096 Napa Collins San Francisco Bay Region Comment
  SBBG5196  Heracleum maximum H. and M. Dearing 1939-4-29 3227 b Napa Conn Valley Comment
  UCD161309  Heracleum maximum Jake Ruygt 1979-4-9 495 Napa NE corner of Trefethen Vineyards, Dry Creek. (Coordinates estimated by label maker at UC Davis). 22 Comment
  CAS-BOT-BC388501  Herniaria hirsuta var. cinerea Peter H. Raven 1951-6-10 2911 Napa Crater Region e. of Mt. St. Helena 762 Comment
  UC175984  Hesperevax acaulis var. robustior Joseph P. Tracy May 15 1903-May 18 1903 1864 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  JEPS126105  Hesperocyparis macnabiana Jake Ruygt 1979-2-25 437 Napa Oat Hill Mine Road near Bateman Creek. Detert Reservoir 7.5' Qua. Comment
  UCD170292  Hesperocyparis sargentii Daniel Potter; Ninh Khuu, Kai Battenberg 2016-2-21 832 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 405 Comment
  JEPS112581  Hesperolinon Jake Ruygt 1984-5-19 1558 Napa Cedar Roughs 633 Comment
Read comments
Jan 2 2011
  JEPS112583  Hesperolinon Jake Ruygt 1992-5-3 2926 Napa Skyline Park, Napa east of Marie Creek 195 Comment
  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
  CAS-BOT-BC167404  Hesperolinon bicarpellatum J. P. Tracy 1905-7-6 2218 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles East of Angwin's 457 Comment
  CAS-BOT-BC167419  Hesperolinon bicarpellatum Mrs. K. Brandegee 1911-6-29 s.n. Napa Butts [Canon] Canyon, near Aetna Springs Comment
  CAS-BOT-BC167421  Hesperolinon bicarpellatum Robert F. Hoover 1938-6-8 3539 Napa Canyon of s. fork of Butts Canyon Comment
  JEPS112584  Hesperolinon bicarpellatum Jake Ruygt 1993-5-22 3266 Napa on private road across from James Creek Rd at Butts Canyon Rd 222 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
  UC1212352  Hesperolinon bicarpellatum Helen K. Sharsmith 1957-6-18 4605 Napa one fourth mile n Pope Valley (on road to Butt's Creek); Inner North Coast Ranges 243 Comment
  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
  UC163930  Hesperolinon bicarpellatum Mrs. K. Brandegee 1911-6-29 113 Napa near Aetna Springs; Butts Canyon Comment
  UC1862410  Hesperolinon bicarpellatum Richard O'Donnell 2005-6-9 Napa 180 m NW of the junction of Cedar Creek and Hunting Creek Paradise Valley 270 Comment
  UCD110479  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-31 4108 Napa Above Sage Creek 0.8 miles south of Chiles Valley. 304 Comment
  UCD119659  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Pritchard Hill, south of Lake Hennessey and Highway 128, on lands of Continuum Estate Winery, at end of private road near winery. 427 Comment
  UCR261636  Hesperolinon bicarpellatum Ann Howald 2003-5-23 2340 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 190 Comment
  SD51691  Hesperolinon breweri Helen K. Sharsmith 1959-5-29 4711 Napa Southeast slope below rock spire west of junction of state highways 37 and 128, south end Cappell Valley. 274 Comment
  CAS-BOT-BC176016  Hesperolinon californicum Peter H. Raven 1951-6-26 3079 Napa [Cappell] Capell Valley 365 Comment
  JEPS122836  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-18 229 Napa At end of Barnett Road off of Pope Valley Road. Comment
  JEPS122905  Hesperolinon californicum Adam C. Schneider 2015-5-19 935 Napa East of Monticello Rd. (CA Hwy 121) Comment
  OBI12547  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4114 Napa Inner North Coast Ranges. S margin Chiles Valley near Chiles Valley School 305 Comment
  UC1212437  Hesperolinon californicum Helen K. Sharsmith 1952-5-17 4074 Napa near Chiles Valley School; Inner North Coast Ranges, Chiles Valley 289 Comment
  UCD110494  Hesperolinon californicum Milton D. Plocher 1971-5-29 33 Napa 20 yards west of lower Chiles Valley Road, 1.7 miles north of its junction with State Highway 128. Comment
  POM180782  Hesperolinon clevelandii J. T. Howell 1930-7-13 5359 Napa On the edge of the Crater Country Comment
  RSA151704  Hesperolinon clevelandii H. K. Sharsmith 1957-5-30 4598 Napa West side of Howell Mountain 2.4 miles west of Angwin. 305 Comment
  UC1212309  Hesperolinon clevelandii Helen K. Sharsmith 1958-11-2 4643 Napa one mi above Aetna Springs (ca 5 mi beyond town of Pope Valley); Inner North Coast Ranges 304 Comment
  UCR71418  Hesperolinon clevelandii H. K. Sharsmith 1965-5-18 5519 Napa Inner North Coast Ranges, 1 mi. above Aetna Springs on mine road & c. 5 mi. beyond town of Pope Valley 305 Comment
  UC1212323  Hesperolinon clevelandii Milo S. Baker 1947-7-7 11853 Napa at end of wood road leading southerly from Mt. St. Helena Inn (towards the Crater); Inner North Coast Ranges Comment
  JEPS122797  Hesperolinon disjunctum Jake Ruygt 2004-6-12 4613 Napa Devilhead Road at Turner Mountain. QUAD: Walter Springs. Comment
  JEPS122798  Hesperolinon disjunctum Jake Ruygt 2005-7-10 4942 b Napa Oat Hill Mine Road North, near Corona Mine. QUAD: Detert Reservoir. Comment
  JEPS127858  Hesperolinon disjunctum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 620 Napa East of Knoxville berrynessa Rd at pullout by old chimney. Comment
  UCD149555  Hesperolinon drymarioides G. L. Stebbins 1970-7-17 7058 Napa South of Knoxville on Devilhead road. Three miles south of the junction with Berryessa-Knoxville Rd. (Exact location unknown. Coordinates estimated by label maker.) 463 Comment
  UC1601272  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4642 b Napa 2.1 mi beyond intersection of Conn Reservoir road to Rutherford with Chiles Valley-Pope Valley road Inner North Coast Ranges, Chiles Valley 198 Comment
  UC1212411  Hesperolinon micranthum Helen K. Sharsmith 1957-5-30 4593 Napa Cappell Valley, end of Highway 37 Inner North Coast Ranges 274 Comment
  JEPS32287  Hesperolinon spergulinum J. P. Tracy 1899-6-26 383 Napa Howell Mt. Comment
  UC1536920  Heteromeles arbutifolia Gordon H. True Jr. 1937-6-20 729 Napa e of Napa (Mt. George); Mt. George 304 Comment
  UC1925919  Heterotheca oregona Ethel Crum Oct 1930 913 Napa Pope Valley Road, Yountville to Pope Valley. Comment
  CAS-BOT-BC176952  Heterotheca oregona var. oregona J. C. Semple; S. Heard 1986-8-20 8566 Napa Just N of [Calistogo] Calistoga on CA-29m, 15.3 km SW of Lake county line. Gravel bars of Garnett Creek Comment
  UC1999863  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-20 8567 Napa Just N of Calistoga on CA-29; 15.3 km SW of Lake Co. line Comment
  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
  UCD133137  Hieracium albiflorum K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  UC735727  Hirschfeldia incana Charles B. Heiser Jr 1947-5-17 1910 Napa near St. Helena Comment
  UCD115125  Hirschfeldia incana W. L. Jepson 1922-10-22 9831 Napa St. Helena. Comment
  UCD115136  Hirschfeldia incana Jack Major 1961-6-13 543 Napa Monticello Dam, State Highway 128. Comment
  POM158605  Hoita macrostachya C. C. Parry 1881-1 s.n. Napa Calistoga Comment
  UC16290  Hoita macrostachya unknown Aug 1862 1322 Napa Rag Canyon; dry creek bed Comment
  UCD75825  Hoita macrostachya Jake Ruygt 2000-6-10 4274 Napa Adams Creek. 445 Comment
  RSA8543  Holocarpha virgata subsp. virgata J. T. Howell 1933-8-27 11644 Napa E of Chiles Valley on road to Winters, Napa Range. Comment
  CAS-BOT-BC284936  Hordeum brachyantherum subsp. californicum Carl B. Wolf 1928-5-3 1816 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC285095  Hordeum marinum subsp. gussoneanum Peter H. Raven 1950-4-15 1720 Napa Silverado Trail outside of Napa 15 Comment
  UCD18013  Hordeum marinum subsp. gussoneanum Ellen Dean; with Plant Biology 102 class 2001-4-28 745 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At entrance gate to Reserve, along path that goes to the NE from gate. 371 Comment
  CAS-BOT-BC410804  Hypericum concinnum John H. Thomas 1955-5-21 5097 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UCD160773  Hypericum concinnum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8652 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  CAS-BOT-BC410807  Hypericum concinnum John Thomas Howell 1926-10-3 2207 Napa Near top of Mt. St. Helena 1066 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
  POM212441  Hypericum concinnum Joseph A. Ewan 1933-9-17 8008 Napa Mt. St. Helena, near north summit 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
  UCD48646  Hypochaeris glabra L. Wynholds; S. Du Plessis, B. Erickson, C. Malleck 2001-4-14 16 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along N. Decker Canyon Rd., 50-70 ft. N of stream. 167 Comment
  UC1134692  Iris douglasiana B. Schreiber 1936-5-3 2204 Napa 1.2 mi w Calistoga; Calistoga Quad. 152 Comment
  RSA135896  Iris fernaldii E. K. Balls, Lee W. Lenz 1952-5-8 17119 Napa Troutdale Creek, Highway 29, 1.4 miles south of Lake County line Comment
  SEINET4170694  Iris fernaldii Unknown 1966-5-7 Napa St. Hwy 128, 15 mi. NW of Rutherford. 152 Comment
  JEPS126028  Iris longipetala Jake Ruygt 1981-4-20 992 Napa American Canyon, east of Flosden Road. Cordelia 7.5' Quad. Comment
  JEPS126060  Iris longipetala Jake Ruygt 1999-4-18 4128 Napa South side of American Canyon Creek. Cordelia 7.5' Quad. Comment
  JEPS126027  Iris macrosiphon Jake Ruygt 1976-5-2 42 Napa 3.4 miles NE of Atlas Peak Road on Monticello Road. Mount George 7.5' Quad. Comment
  JEPS126051  Iris macrosiphon Jake Ruygt 2007-3-31 5133 Napa Las Posadas State Forest NW of Fire Station. Saint Helena 7.5' Quad. Comment
  UC1134711  Iris macrosiphon A. Lewis 1932-5-18 98 Napa Dry Creek; Napa Quad. 152 Comment
  UCD48720  Iris macrosiphon M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 10 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines. 50 ft. N of lat./long position. 289 Comment
  UCD95898  Iris macrosiphon Ellen Dean; with Clare Loughran 2011-5-20 7043 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  RSA195364  Iris macrosiphon Gilbert Muth 1967-3-31 597 Napa Old Howell Mountain road. 457 Comment
  RSA51284  Iris macrosiphon Peter H. Raven 1950-4-15 1761 Napa Wooden Valley grade above Napa 457 Comment
  JEPS122771  Isatis tinctoria Jake Ruygt 2011-5-14 5785 Napa Chiles-Pope Valley Road near old barn. Quad: Chiles Valley. Comment
  UCD147466  Isoetes howellii Ellen Dean; Diana Hickson 2014-4-29 8079 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS79459  Isoetes nuttallii Edward Lee with A. Carter and E. Crum 1936-3-15 1813 Napa 10.7 mi. out of Rutherford (Rutherford-Pope Valley rd.) Comment
  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
  JEPS129148  Iva axillaris Jake Ruygt 1981-7-20 1071 Napa Napa Airport. Cuttings Wharf 7.5' Quad. Comment
  JEPS106647  Jaumea carnosa Jake Ruygt 1979-7-29 786 Napa Fagan's Marsh 1 Comment
  JEPS106648  Jaumea carnosa Jake Ruygt 1991-7-27 2805 Napa Napa River, 100 yds north of Southern Crossing 0 Comment
  LA16775  Juglans hindsii C. B. Wolf; E. R. Johnson 1934-10-17 6197 Napa Napa Range, Munson Ranch, above Wooden Valley, Old Indian Camp Site 304 Comment
  POM212010  Juglans hindsii Carl B. Wolf 1930-11-3 1801 Napa On Munson Ranch, Napa Range above Wooden Valley. 305 Comment
  SD147981  Juglans hindsii Stephanie Perez 1974-4-26 21 Napa Silverado Trail N. ca. 0.5 mile north of intersection with Deer Park Road. 152 Comment
  UCD170365  Juglans hindsii Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 863 Napa Knoxville Wildlife Area, along Berryessa-Knoxville Road. 240 Comment
  JEPS122652  Juncus covillei Jake Ruygt 1989-6-17 2370 Napa Van Ness Canyon near Bear Valley. Quad: Detert Resevoir. Comment
  JEPS126053  Juncus dubius Jake Ruygt 2010-6-26 5659 Napa Las Posadas State Forest, near public road. Saint Helena 7.5' Quad. Comment
  JEPS122657  Juncus effusus subsp. pacificus Jake Ruygt 1985-5-25 1601 Napa American Canyon, 0.4 mile east of Flosden Road. Quad: Cordelia. Comment
  JEPS126054  Juncus effusus subsp. pacificus Jake Ruygt 2010-6-21 5629 Napa Van Ness Creek at north entrance into Bear Valley. Detert Reservoir 7.5' Quad. Comment
  UCD166702  Juncus effusus subsp. pacificus Jake Ruygt 25 May1992 3004 Napa north of Leoma Lakes (Lair property) 347 Comment
  JEPS96546  Juncus kelloggii Dean W. Taylor 1998-6-3 16454 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 624 Comment
  JEPS67116  Juncus kelloggii Jos. P. Tracy 1902-5-18 1534 a Napa Head of Moores Creek Howell Mt. 518 Comment
  JEPS122669  Juncus occidentalis Jake Ruygt 1982-5-26 1223 Napa 0.2 mile south of Old Bale Mill on Highway 29. Quad: Calistoga. Comment
  JEPS75647  Juncus occidentalis W. L. Jepson 1936-6-1 17579 Napa w side Four Corners; Napa Range, Howell Mt. Comment
  UC527940  Juncus oxymeris R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6686 Napa 10 mi n Howell Mt.; Butts Canyon Comment
  UC750690  Juncus patens Lewis S. Rose 1946-8-18 46264 Napa 3 mi ne Napa 60 Comment
  JEPS122665  Juncus phaeocephalus var. phaeocephalus Jake Ruygt 1982-5-4 1224 Napa Suscol plain, between Kaiser and Highway 29 (Rocktram). Quad: Napa. Comment
  UCD167045  Juncus phaeocephalus var. phaeocephalus Jake Ruygt 1998-5-25 3998 b Napa Napa River Ecological Reserve, Yountville. 27 Comment
  JEPS103998 Image available Juniperus californica Jake Ruygt 1981-7-23 1080 Napa about 1 mile north of Berryessa Peak, Blue Ridge 822 Comment
  JEPS110640  Keckiella corymbosa Jake Ruygt 1988-8-14 2227 Napa Adams Creek-Ridge 548 Comment
  POM263159  Keckiella corymbosa J. C. Roos 1939-7-16 274 Napa Napa Range near Calistoga. 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
  UC1714642  Kickxia spuria Ethel Crum 1931-12-6 1310 Napa 5 mi e Rutherford (Conn Creek); Napa Valley, Conn Creek Comment
  JEPS76090  Koeleria macrantha W. L. Jepson 1938-5-24 18845 Napa Plateau n of Four Corners Howell Mountain (Napa Range); , Howell Mountain 762 Comment
  UCD20756  Lactuca serriola M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 105 Napa McLaughlin UC Reserve. Just S of the reserve on Adam's Ridge Rd. 1.6 road miles E of the jct with Devilhead Rd. 640 Comment
  CAS-BOT-BC340500  Lactuca serriola J. H. Thomas 1960-8-29 8838 Napa About 1 mile north of Calistoga along highway number 53 Comment
  CAS-BOT-BC26054  Lagophylla dichotoma subsp. minor David D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring. Comment
Read comments
Mar 3 2018
  UC668199  Lagophylla minor Joseph P. Tracy 1938-6-5 15825 Napa on hills at head Moore's Creek (5 mi e of Angwin's); Howell Mountain 365 Comment
  UCD47922  Lagophylla minor K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 12 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of hilltop. 545 Comment
  UCD48597  Lagophylla minor K. Mogel; B. Pekin and M. Higley 2002-5-4 15 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; immediately downslope of road. 304 Comment
  CAS-BOT-BC123304  Lagophylla minor David Daniels Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just S of Walters Spring. Comment
  CAS-BOT-BC341424  Lagophylla minor A. A. Heller 1941-5-16 16130 Napa A mile or two west of Knoxville Comment
  CAS-BOT-BC341427  Lagophylla minor J. Clausen 1935-5-22 1069 Napa Ca. 1 mi. E. of Chiles Valley Store Comment
  SBBG8506  Lagophylla minor H. and M. Dearing 1939-5-3 3260 Napa locality not specified Comment
  SEINET879048 Image available Lagophylla minor D. D. Keck 1933-1 2338 Napa Bridge over Pope Creek, just south of Walters spring. Comment
  CAS-BOT-BC341558  Lagophylla ramosissima L. R. Abrams 1916-7-2 5760 Napa Near St. Helena Sanitarium Comment
  UCD38947  Lagophylla ramosissima Beecher Crampton 1961-9-19 5978 Napa 3 miles east of Moskowite Corner, State Hwy. 128. Comment
  JEPS63235  Lamium amplexicaule W. L. Jepson 1910-3-28 4019 Napa sw of Calistoga (Rebecca Ranch grade) Comment
  JEPS63244  Lamium amplexicaule Mrs. Clara A. Hunt 1909-3-30 Napa St. Helena Comment
  UC483305  Lamium amplexicaule Ira L. Wiggins 1932-3-12 5749 Napa 1 mi n Calistoga Comment
  CAS-BOT-BC338267  Lasthenia californica John Thomas Howell 1926-3-27 1761 Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC338901  Lasthenia californica M. S. Jussel 1921-4-19 s.n. Napa Pope Valley Comment
  JEPS106675  Lasthenia californica Jake Ruygt 1996-4-22 3623 Napa Lewelling Ranch, St. Helena. 88 Comment
  CAS-BOT-BC338264  Lasthenia californica Ella Dales Cantelow 1939-4-8 2497 Napa About 4 1/2 mi. s.w. of Pacific Union College, Howell Mt. Comment
  POM361516  Lasthenia californica J. T. Howell 1931-4-2 6051 Napa Wooden Valley Grade 4 miles E of Napa. Comment
  UC1222972  Lasthenia californica subsp. californica Joseph P. Tracy 1949-4-24 18291 Napa in saline flats at Myrtledale Hot Springs; Calistoga Comment
  UC166657  Lasthenia californica subsp. californica J. P. Tracy 1902-5-17 1528 Napa 3-4 mi e of Angwin's Head of Moore's Creek; Howell Mountain 426 Comment
  SEINET10669273  Lasthenia californica subsp. californica John T. Middleton 1936-3-21 Middleton 75 Napa Monticello, Ca. Comment
  UCD63157  Lasthenia conjugens Jake Ruygt 1998-5-4 3963 Napa North of Suscol Creek; Suscol Hill. Comment
  RSA51265  Lasthenia glaberrima Peter H. Raven 1950-5-6 2004 Napa Near geysers and hot springs near Calistoga airfield, Calistoga. 46 Comment
  UC30426  Lasthenia gracilis Willis L. Jepson 1893-5-1 Napa Napa Valley Napa River Basin, Upper Napa Valley Comment
  UCD13298  Lathyrus aphaca Stephanie Perez 1974-4-6 s.n. Napa Napa CO. Bickford residence, Ink Grade, 5 miles north of Angwin. Elevation 3000 feet. 914 Comment
  JEPS107270  Lathyrus jepsonii subsp. californicus Jake Ruygt 1991-7-19 2767 Napa south of the end of South Jefferson St. along river bank 1 Comment
  UC81786  Lathyrus jepsonii var. jepsonii Michener and Bioletti 1892-8-15 Napa Draw Bridge Napa River Comment
  UCD75719  Lathyrus tingitanus Jake Ruygt 1979-5-6 581 Napa Mt. St. Helena. 182 Comment
  JEPS107266  Lathyrus torreyi Jake Ruygt 1994-4-9 3346 Napa Las Posados Sate Forest on Moore Creek Trail. 487 Comment
  UCD106498  Lathyrus vestitus D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  UCD35857  Lathyrus vestitus Beecher Crampton 1965-5-13 7330 Napa 11 miles E of Rutherford, State Hwy. 128. Comment
  POM29623  Lathyrus vestitus subsp. vestitus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  POM277785  Lathyrus vestitus subsp. vestitus Lyman Benson 1930-3-31 2021 Napa Calistoga 915 Comment
  UC1217065  Lathyrus vestitus var. vestitus Paul C. Hutchison 1963-3-3 2673 Napa 2 mi above St. Helena Sanitarium (along road to Pope Valley) Comment
  UCD21552  Lathyrus vestitus var. vestitus A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 6 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek. 313 Comment
  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
  JEPS106631  Layia septentrionalis Jake Ruygt 1990-4-28 2511 Napa Bear Valley 615 Comment
  JEPS106634  Layia septentrionalis Jake Ruygt 1989-4-22 2289 Napa Snell Valley Rd. just east of Butts Canyon Rd. 143 Comment
  JEPS106576  Legenere limosa Jake Ruygt 1983-5-13 1460 Napa Suscol Ridge west of HWY 221 27 Comment
  JEPS120346  Lemna minuta Jake Ruygt 1983-3-28 1395 b Napa 0.3 miles east Highway 29 near Suscol Creek. Cuttings Wharf 7.5' Quad. Comment
  JEPS63268  Lepechinia calycina W. L. Jepson 1943-5-15 20776 Napa Knoxville Ridge Comment
  UCD16050  Lepidium chalepense C. L. Hallock; C. Kennedy, L Condon, N. Strahan, R. Flannery 2000-4-22 23 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, 6-9 dm tall, flowers white. Comment
  JEPS106788  Lepidium latipes var. latipes Jake Ruygt 1981-4-18 981 Napa Harris Canyon 365 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-BC12514  Lepidium nitidum Peter H. Raven 1954-2-22 6409 Napa Orchards at west end of Saint Helena. 60 Comment
  POM272870  Lepidium nitidum Lyman Benson 1931-2-26 2598 Napa Slopes near the hwy summit; Mt St Helena. N of Calistoga. Mayacamas Mtn Range; Napa watershed. 549 Comment
  RSA51336  Lepidium strictum P. H. Raven 1950-4-15 1703 Napa Napa. 9 Comment
  UCD37575  Leptosiphon androsaceus Beecher Crampton 1955-4-7 2448 Napa Napa County, at border with Solano and Yolo Counties, 7 miles west of Winters, 0.25 mile west of Recreation Beach of Putah Creek, Vaca Mountains, east facing slope of Cold Canyon. Comment
  CHSC52453  Leptosiphon androsaceus Keith G. Weinstock 1975-5-9 10 Napa State Highway 128, 12.6 miles southwest of the intersection of Road 89 and Road 32 (Yolo County). Comment
  OBI54928  Leptosiphon androsaceus Kathleen Faustini 1980-5-4 25 Napa Monticello dam Comment
  UCD49216  Leptosiphon bicolor L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 19 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. E-facing slope on disturbed road cut at the top of South Decker Canyon Rd. just below jct with Decker Ridge Rd. 350 Comment
  CAS-BOT-BC226690  Leptosiphon jepsonii Jim Shevock 1971-4-8 920 Napa Hwy 29 548 Comment
  CAS-BOT-BC226692  Leptosiphon jepsonii L. R. Abrams 1928-5-3 12220 Napa St. Helena Grade Comment
  HSC43976  Leptosiphon parviflorus Robert M. Specht 1977-5-14 890 Napa Near junction of Develhead Rd. and Morgan Valley Rd. (Knoxville-Berryessa Rd.) 457 Comment
  UCD118995  Leptosiphon parviflorus M. Wiesendanger 1927-5-4 674 Napa near Monticello. Comment
  UCD164764  Leptosiphon parviflorus Jake Ruygt 2014-4-22 5925 Napa Sutro Ranch, Atlas Peak. 663 Comment
  CAS-BOT-BC324168  Lessingia hololeuca Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Callistoga Comment
  JEPS106605  Lessingia hololeuca Jake Ruygt 1992-8-3 3115 Napa east of Spencer Creek near Solano County line 313 Comment
  UC1283740  Lessingia hololeuca Beecher Crampton 1964-8-18 7153 Napa Tubbs Lane 2 mi n Calistoga (ditch along road) Comment
  UCD18118  Lessingia ramulosa K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 55 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  UC1198370  Lewisia rediviva Joseph P. Tracy 1902-5-21 1592 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 335 Comment
  JEPS43232  Lewisia rediviva Pearl Lutzi May 1916 Napa High Rocks on the road to Oat Hill Mine; Calistoga Comment
  UC7815  Lewisia rediviva Brewer 976 Napa Napa and Sonoma Comment
  CDA32485  Leymus triticoides Robin Breckenridge 2008-5-5 PDR# 1313554 Napa Winters, Eastside Rd/Lake Berryessa. 0 Comment
  CAS-BOT-BC451586  Lilaea scilloides Peter H. Raven 1951-6-24 3027 Napa Brown's Valley to Napa-Sonoma Rd. 91 Comment
  UCSB27470  Lilium rubescens Havlik, Neil 1969-6-29 Napa About 2 miles from State Highway 29 Comment
  JEPS122739  Limnanthes douglasii subsp. nivea Jake Ruygt 2011-5-7 5779 Napa Mill Valley near Angwin; central portion. Quad: St. Helena. Comment
  OBI12592  Limnanthes douglasii subsp. nivea R. L. Hoover 1968-4-20 53 Napa On Howell Mtn Rd, on W side of rd at Angwin Comment
  UCD116516  Limnanthes douglasii subsp. nivea W. L. Jepson 1921-5-6 9175 Napa Calistoga. Comment
  JEPS122773  Limnanthes douglasii subsp. rosea Jake Ruygt 1999-4-21 4139 z Napa Parry Collins property on Atlas Peak Road near Milliken Reservoir property. Quad: Capell Valley. Comment
  JEPS112562  Limnanthes floccosa subsp. floccosa Jake Ruygt 1993-4-3 3180 Napa Little Bear Valley 676 Comment
  JEPS112640  Limnanthes vinculans Jake Ruygt 1992-5-18 2972 Napa Yountville Ecological Reserve, Yountville Cross Rd. Napa R. 27 Comment
  JEPS110961  Linanthus acicularis Jake Ruygt 1992-5-3 2929 Napa Westwood Hills Park, Browns Valley Rd. Napa 121 Comment
  SEINET5732161 Image available Linanthus androsaceus Peta Lewis 1967-1 17 Napa Across from Monticello Dam, on State Highway 128.; Monticello Dam Comment
  UC23500  Linanthus dichotomus Willis L. Jepson 1893-4-28 Napa Wooden Valley grade from Napa; Napa River Basin Comment
  UC689684  Linanthus dichotomus Herbert L. Mason 1942-5-24 12540 Napa 3 mi s Pope Valley Store Comment
  UCR115094  Linanthus dichotomus G. Fred Hrusa, S. Larson 1995-4-10 12057 Napa 0.25 mi. below bridge over Pope Creek, on Pope Canyon Rd 175 Comment
  POM260859  Linanthus dichotomus subsp. meridianus J. T. Howell 1940-5-19 15459 Napa Upper St. Helena Creek. Comment
  UC908780  Linanthus parviflorus Herbert L. Mason 1933-4-30 7221 Napa n of Aetna Springs (near Napa-Lake County line) Comment
  JEPS58099  Linanthus parviflorus W. L. Jepson 1893-4-28 20938 Napa ne of Napa (Wooden Valley, grade near w base Napa Range); Napa Valley Range, Wooden Valley Comment
  UC1301143  Linanthus parviflorus Helen K. Sharsmith 1963-4-20 5332 Napa 4 mi s Napa (off of Kelly Road); San Francisco Bay Region 45 Comment
  UC402909  Linanthus parviflorus Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George Comment
  JEPS82745  Linaria maroccana L. R. Heckard and J. C. Hickman 1984-4-16 6147 Napa 1 mi below junction with White Cottage Road (above Deer Park on road to Angwin) Comment
  CAS-BOT-BC36061  Lithocarpus densiflorus var. densiflorus John Thomas Howell 1926-10-3 2209 Napa St. Helena Creek on emile below Patten's 609 Comment
  SFV8647  Lithophragma affine P. W. Fong 1971-5-1 57 Napa McDonald Ranch, about 20 miles northwest of intersection of State Highways 121 and 128 on Chiles Valley Road. North facing slope near top of small hill. 244 Comment
  CAS-BOT-BC430625  Lithophragma affine L. R. Abrams 1928-5-3 12245 Napa Summit Mt. St. Helena Grade Comment
  CAS-BOT-BC435614  Lithophragma heterophyllum John Thomas Howell 1931-4-2 6061 Napa Wooden Valley Grade 5 miles E of Napa Comment
  CAS-BOT-BC435617  Lithophragma heterophyllum L. R. Abrams 1928-5-3 12243 Napa Summit St. Helena Grade Comment
  JEPS112567  Lithophragma heterophyllum Jake Ruygt 1996-4-9 3567 Napa Wantrop Wildlife Sanctuary 493 Comment
  JEPS85028  Lithophragma parviflorum Larry Heckard and Mary Ashton 1969-5-3 2211 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd.); ne of Napa, off Atlas Peak Rd., Mead Ranch 457 Comment
  JEPS106957  Logfia filaginoides Jake Ruygt 1982-4-3 1162 Napa 3.2 miles north of Loma Vista on Soda Canyon Rd. 335 Comment
  UCD73408  Logfia filaginoides 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-BC342246  Logfia filaginoides Ira L. Wiggins 1949-4-30 12076 Napa Along old toll road between Calistoga and Middletown, 1.5 miles from Calistoga Comment
  CAS-BOT-BC342440  Logfia gallica John H. Thomas 1958-4-19 7108 Napa About 2 miles SW of Oakville 152 Comment
  JEPS106958  Logfia gallica Jake Ruygt 1983-5-30 1482 Napa Redwood Rd., Napa 30 Comment
  UCD36954  Lolium Beecher Crampton 1956-5-25 3490 Napa Sarco Creek Canyon. Comment
  JEPS75993  Lolium multiflorum W. L. Jepson 1936-6-2 17610 Napa on e side of road <in> hills to e Yountville (Napa Valley); Napa Valley Comment
  UC729984  Lolium perenne Leo F. Koch 1940-4-24 851 Napa Cuttings Wharf Comment
  UCR23398  Lomatium John C. Roos 1939-3-18 302 Napa North Coast Range, Snell Valley, near Angwin 183 Comment
  UC1563667  Lomatium californicum Barbara Ertter with Annetta Carter 1989-5-28 8498 Napa 9.0 mi s Knoxville tunnel (Berryessa-Knoxville Road n of Lake Berryessa); n of Lake Berryessa 243 Comment
  UCD149669  Lomatium californicum Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  HSC38125  Lomatium californicum Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2350 Napa Along Morgan Valley Rd., 4.5 mi N of Lake Berryessa Comment
  UCD19955  Lomatium dasycarpum E. A. Dean; Virginia Boucher 2002-2-28 904 Napa Quail Ridge Reserve. Along upper trail, north of stock pond near Quail Ridge tip. 0.25 airline miles NE of junction with West Rd. 304 Comment
  SD125708  Lomatium dasycarpum L. F. Lapre 1986-4-25 Napa Tributary of Hunting Creek from the east, 2 miles southwest of the site of Knoxville, just east of Lake County line. 365 Comment
  JEPS17138  Lomatium dasycarpum subsp. dasycarpum Willis L. Jepson 1896-6-2 14303 Napa Red ridge across mouth of Conn Valley; Napa R. Basin Comment
  RSA452088  Lomatium dasycarpum subsp. dasycarpum Joseph A. Ewan 1934-4-30 8829 Napa Near Samuel Springs, above Monticello, on Pope Valley Grade Comment
  UC1123025  Lomatium dasycarpum subsp. dasycarpum B. O. Schreiber 1938-4-24 2503 Napa 1/2 mi NW of Knoxville 609 Comment
  UCD18065  Lomatium dasycarpum subsp. dasycarpum Ellen Dean; with Plant Biology 102 class 2000-4-22 620 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
  JEPS122701  Lomatium dasycarpum var. dasycarpum Jake Ruygt 2004-5-3 4588 Napa About 0.3 mile east of Butts Canyon Road on Snell Valley Road. Quad: Aetna Springs. Comment
  UCD63745  Lomatium dissectum var. dissectum Jake Ruygt 1989-4-22 2262 Napa 4.7 miles NE of Atlas Peak Rd. on Monticello Rd. 286 Comment
  UC650720 Image available Lomatium hooveri Mildred E. Mathias 1937-5-23 1298 Napa 1.9 mi se Napa-Lake County line (on road to Knoxville); ; Knoxville, Napa Co. Comment
  UCD18027  Lomatium hooveri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 573 b Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  JEPS14276 Image available Lomatium marginatum var. purpureum W. L. Jepson 1894-5-1 14320 Napa red ridge facing mouth of Conn Valley; Napa River Basin; Mouth of Conn Valley, Napa River Basin Comment
  UC1731433  Lomatium marginatum var. purpureum Dean W. Taylor 1998-6-18 16679 Napa ridge dividing Butts Canyon and Spanish Valley; North Coast Ranges 502 Comment
  RSA278514  Lomatium repostum T. C. Emmel 1964-4-11 6 Napa Mount St. Helena 915 Comment
  RSA42338  Lomatium repostum Lincoln Constance, Davidson, Wagner, Shan 1946-5-18 s.n. Napa Souteast slope of Mount St. Helena, near the old inn. Comment
  UCD148112  Lomatium repostum Jake Ruygt 1979-5-6 584 Napa Mt. St. Helena. 792 Comment
  UCD82616  Lomatium repostum Stephen P. Rae 2009-5-18 s. n. Napa Continuum Vineyards. Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 427 Comment
  CDA41074  Lomatium utriculatum G. F. Hrusa, J. Messina 1989-3-3 5873 Napa North Coast Biodiversity Arena; along Hwy 128 W of Monticello Dam (Lake Berryessa). Comment
  JEPS17552  Lomatium utriculatum Mrs. Mary Van. E. Ferguson 1919-4-13 203 Napa near Atlas Mt. Comment
  UC566817  Lomatium utriculatum H. L. Mason 1926-3-22 2786 Napa from Calistoga to Petrified Forest Comment
  UCD18038  Lomatium utriculatum Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 589 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley, just E of site of old town of Knoxville. Near old Osage orange tree by creek. 402 Comment
  UCD48441  Lomatium utriculatum Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 13 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along Decker Bay trail, near end of lake inlet. 146 Comment
  UCD81823  Lomatium utriculatum Ellen Dean 2009-4-24 5450 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UC658975  Lomatium utriculatum Mildred E. Mathias 1937-5-23 1283 Napa along Hwy. 29 Mt. St. Helena 533 Comment
  UC796660  Lomatium utriculatum Ira L. Wiggins 1949-4-30 12081 Napa 2 1/2 mi. above Calistoga (along old toll rd. to Middletown) Comment
  UCD63187  Lomatium utriculatum Jake Ruygt 1980-3-22 815 Napa Snell Valley. Comment
  SBBG9303  Lonicera hispidula S. Wagener 1955-5-15 60 Napa lookout spot ca. 0.5 mi SW of Oakville, on Trinity Rd Comment
  JEPS106725  Lonicera hispidula var. vacillans Jake Ruygt 1998-7-18 4092 Napa Bear Valley 640 Comment
  POM66958  Lotus wrangelianus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD65963  Ludwigia peploides subsp. montevidensis B. J. Grewell 2007-10-18 07- 106 -LU Napa Roadside drain west of Hwy 29 at Solano Avenue and Hoffman Lane crossing, Yountville, CA. 23 Comment
  UC82137  Lupinus D. Cleveland 1882-8-25 Napa Aetna Springs Comment
  JEPS129027  Lupinus affinis Jake Ruygt 2016-5-10 6246 Napa Sutro Ranch, Atlas Peak. Yountville 7.5' Quad. Comment
  CAS-BOT-BC198367  Lupinus albifrons C. B. Wolf 1928-2-25 1490 Napa On Mt. St. Helena Grade, 2 miles below Hawkins Mt. Camp Comment
  JEPS107237  Lupinus albifrons Jake Ruygt 1976-5-2 46 Napa 4.5 miles NE of Atlas Peak Rd. on Monticello Rd. 335 Comment
  JEPS64926  Lupinus albifrons Willis L. Jepson 1896-2-22 35 t Napa New Eden Napa River Basin, Howell Mt. (Howell Mt.) Comment
  UCD105922  Lupinus albifrons Paul C. Hutchison 1963-3-3 2674 Napa 2 miles above the St. Helena Sanitarium along the road to Pope Valley. Comment
  CAS-BOT-BC201550  Lupinus albifrons var. albifrons E. K. Balls 1952-5-8 8743 Napa 2.8 mi. W. from Calistoga on rd. to Santa Rosa, via. Petrified Forest Comment
  CAS-BOT-BC201552  Lupinus albifrons var. albifrons Charles Piper Smith 1947-5-5 47202 Napa Cordelia, 3.4 miles west, Highway 40 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
  JEPS107238  Lupinus albifrons var. collinus Jake Ruygt 1998-3-29 3901 Napa Suscol Ridge overlooking Jameson Canyon 140 Comment
  JEPS107232  Lupinus bicolor Jake Ruygt 1983-4-2 1402 Napa east end Green Valley Rd. 243 Comment
  HSC71538  Lupinus densiflorus var. aureus J. P. Smith, J. O. Sawyer 1970-5-17 3790 Napa 9 mi. N of Pope Valley Comment
Read comments
Jun 12 2012
  POM181010  Lupinus densiflorus var. densiflorus Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley. Comment
  JEPS65233  Lupinus formosus var. formosus W. L. Jepson 1897-5-2 71 t Napa St. Helena Comment
  UC15863  Lupinus formosus var. formosus W. H. Brewer 1861-11-5 857 Napa Napa Valley; ; Fields near Camp 64 (modern Yountville) fide FB Comment
  SEINET12165968  Lupinus leucophyllus W. Knight, Knight, I. 1985-1 6348 Napa Chiles Valley 290 Comment
  UCD47990  Lupinus microcarpus var. microcarpus S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, and K. Watts 2000-4-29 19 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of Old Knoxville Rd. 426 Comment
  JEPS65399  Lupinus nanus Willis L. Jepson 1893-4-26 20 t Napa near Yountville (La Lomita); Napa River Basin, , near Yountville Comment
  JEPS81601  Lupinus nanus R. Raiche 1982-3-7 20191 Napa on Chiles and Pope Valley Road 1.3 mi n Sage Canyon Road; n of Sage Canyon Rd on Chiles and Pope Valley Rd Comment
  UC1300898  Lupinus nanus Helen K. Sharsmith 1963-3-17 5220 Napa s side Mt. Atlas; San Francisco Bay Region, s side Mt. Atlas 609 Comment
  UCD149704  Lupinus nanus 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
  UCD48956  Lupinus nanus S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 12 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  JEPS85043  Lupinus nanus Larry Heckard, Mary Ashton 1969-5-3 2191 Napa 7 mi ne of Napa (Mead Ranch, off Atlas Peak Road); Mead Ranch 457 Comment
  POM10655  Lupinus nanus subsp. latifolius C. F. Baker 1903-4-19 1990 Napa Calistoga. Comment
  JEPS126089  Lupinus pachylobus Jake Ruygt 1995-6-3 3485 Napa Mount St. Helena, 100 yards from Highway 29 summit. Detert Reservoir 7.5' Qua. Comment
  CAS-BOT-BC202223  Lupinus sericatus Charles Piper Smith 1932-5-15 4658 Napa St. Helena Inn, highway 29 Comment
  CAS-BOT-BC202229  Lupinus sericatus Alice Eastwood 1915-6-6 4668 Napa Mt. St. Helena Comment
  CAS-BOT-BC202230  Lupinus sericatus R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6666 Napa 3 mi. N. of Pacific Union College (Howell Mt.) on road to Aetna Springs Comment
  JEPS107244  Lupinus sericatus Jake Ruygt 1980-5-3 866 Napa Aetna Mine Rd. at Twin Peaks 716 Comment
  UCD170379  Lupinus succulentus Daniel Potter; N Khuu 2016-5-8 876 Napa Along Nevada Creek, just west of Knoxville Wildlife Area boundary. 223 Comment
  UCD47982  Lupinus succulentus A. Miles; E. Anderson, L. Lina, J. Waggoner, R. Wenk 2000-4-22 18 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on east side of dirt road. 390 Comment
  SEINET10490989  Lupinus succulentus var. succulentus J. C. Downey 1955-4-23 Downey 216 Napa Collected 4 mi e of rutherford. Eggs. Comment
  SEINET10490282  Lupinus vallicola subsp. apricus Ira L. Wiggins 1932-3-12 Wiggins 5765 Napa Between franz valley and calistoga. Comment
  SEINET11790127  Luzula comosa C. W. Sharsmith 1935-1 s.n. Napa no further locality Comment
  UCD118560  Luzula subsessilis Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. NE of fire station on south side of undeveloped road. 519 Comment
  UC527943  Madia anomala R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6671 Napa 6 mi ne of Pacific Union College; Howell Mt., Aetna Springs Comment
  JEPS122704  Madia citriodora Jake Ruygt 1998-5-2 3949 Napa Landucci Ranch, Pope Canyon. Quad: Walter Springs. Comment
  CAS-BOT-BC343826  Madia elegans Peter H. Raven 1951-6-10 s.n. Napa Rt. #29 north of Calistoga 152 Comment
  CAS-BOT-BC343831  Madia elegans Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  POM263490  Madia exigua J. C. Roos 1939-5-13 267 Napa Angwin, Howell Mt. Comment
  UCD134257  Madia exigua J. M. Tucker 1971-5-29 4192 Napa on Lower Chiles Valley Road, 1.5 miles northwest of its junction with State Highway 128. Comment
  UCD170436  Madia exigua Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 908 Napa Knoxville Wildlife Area, west of Berryessa-Knoxville Road. 348 Comment
  UCD18057  Madia exigua Ellen Dean; with Plant Biology 102 class 2000-4-22 611 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-BC344442  Madia exigua H. M. Hall 1931-5-26 13090 Napa Napa Range. Summit of Wooden Valley grade 365 Comment
  CAS-BOT-BC344445  Madia exigua David D. Keck 1933-5-28 2327 Napa Howell Mountain, 2 miles west of Pacific Union College Comment
  JEPS38330  Madia exigua W. L. Jepson 1938-5-18 18794 Napa slope above St. Helen Sanitarium; Howell Mts. Comment
  CDA10872  Madia gracilis G. F. Hrusa, M. Rejmanek 1993-5-15 10967 Napa UC Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD18101  Madia gracilis Ellen Dean; with PLB 102 class 2000-4-29 757 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CAS-BOT-BC343192  Madia gracilis Bruce G. Baldwin 1986-4-28 601 Napa 3.3 miles west of junction with Lower Chiles Valley Road along California State Highway 128 Comment
  CAS-BOT-BC343195  Madia gracilis John Thomas Howell 1933-6-4 11385 Napa Hills east of Napa Comment
  POM315932  Madia gracilis Patricia Wilder 1965-6-9 3601 Napa Franz Valley School Road, ca. 1.1 mile N of road to Petrified Forest 183 Comment
  LA203824  Madia nutans J. Clausen; 1935-5-23 1072 Napa Howell Mountain, near summit 6.5 mi. N.E. of St. Helena Comment
  POM298345  Madia nutans Jens Clausen 1935-5-23 1072 Napa Howell Mountain, near sumit, 6.5 miles NE of St. Helena Comment
  JEPS106679  Madia sativa Jake Ruygt 1987-6-6 2035 Napa end of Redwood Rd.private residence of Mr.Kublor 396 Comment
  UCD83743  Madia sativa Ellen Dean; Yuan-chun Han, Surene Foutouhi 2010-5-7 5992 Napa Along Wooden Valley Road; E side of the road; Lamb Vineyard property. 176 Comment
  CAS-BOT-BC345054  Madia sativa A. A. Heller 1902-5-24 5603 Napa Near Napa Comment
  UCD167283  Malacothamnus fremontii Jake Ruygt 2003-6-21 4552 Napa West of Berryessa Knoxville Road near mouth of Foley Creek. 329 Comment
  RSA434859  Malacothamnus helleri Peter H. Raven 1965-5-15 20205 Napa On divide between Zim Zim Creek and Nevada Creek, 5 miles SSE of Knoxville 396 Comment
  JEPS36779  Malacothrix floccifera Willis L. Jepson 1894-5-1 Napa red ridge opposite mouth of Conn Valley; Napa River Basin Comment
  UC1278039  Malacothrix floccifera B. Crampton 1954-5-20 1925 Napa ca 8 mi sw Monticello (along State Hwy 128) Comment
  POM216233  Malacothrix floccifera D. D. Keck 1933-5-29 2368 Napa Pope Creek bridge south of Walters Springs. Comment
  UCD116603  Malva nicaeensis David Lawfer 1952-4-28 153 Napa Napa. Comment
  JEPS42510  Marah fabacea Willis L. Jepson 1896-2-23 14125 Napa lower slopes Howell Mt. (near Rural Health Reteat); Napa River Basin Comment
  UCD170349  Marah watsonii Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 848 Napa Knoxville Wildlife Area, along Nevada Creek. 459 Comment
  UCD125022  Marrubium vulgare M. R. Wanzer 1948-5-6 12 Napa Putah Canyon, 8 miles west of Winters. Comment
  UCD48564  Matricaria discoidea Kook-Hyun Chung; J. Deusterman, C. Ineich, M. Hauselt 2001-4-28 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd., N of jct with South Decker Canyon Rd. 176 Comment
  JEPS18288  Matricaria discoidea Peter H. Raven 1957-5-5 10787 Napa Calistoga 91 Comment
  UCD48968  Medicago polymorpha E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 17 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., 0.45 as the crow flies miles (2400 ft.) NW of jct with South Decker Canyon Rd., on the top of a W-facing slope. 242 Comment
  POM67047  Medicago polymorpha var. brevispina Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SACT001486  Melica californica John Willoughby 1975-5-25 Napa collected along BLM road which intersects Morgan Valley Road North of Knoxville and heads southwest to Cedar Valley Comment
  HSC93592  Melica geyeri G. Fred Hrusa, M. Tu 1995-5-6 12159 Napa Along Moores Creek in La Posadas State Forest, along slope above creek. 152 Comment
  SEINET197652 Image available Melica geyeri W. S. Boyle 1942-4-25 1062 Napa Along the Silvarado Trail Road 7 miles south of Calistoga Comment
  SEINET239009 Image available Melica geyeri Beecher Crampton 1967-5-15 7936 Napa Sonoma County Napa County line 4 miles northwest of Calistoga on Hwy 128 Comment
  UCR30546  Melica geyeri John C. Roos 1939-5-12 317 Napa North Coast Range, Pacific Union College, Angwin 503 Comment
  JEPS122948  Melica harfordii Jake Ruygt 1988-5-1 2169 Napa Cleary Reserve. Quad: Aetna Springs. Comment
  UCD164748  Melica harfordii Jake Ruygt 2014-6-9 5985 Napa Livermore Ranch, Bear Valley. 623 Comment
  HSC10357  Melica imperfecta J. V. Lenz 1947-4-19 Napa Chiles Valley Comment
  CAS-BOT-BC264218  Melica torreyana D. H. Esplin; Bolander 1969-4-30 19 Napa Pope Valley near Lake Berryessa 121 Comment
  POM182711  Melica torreyana D. D. Keck 1931-4-2 1018 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  RSA10131  Melica torreyana Joseph P. Tracy 1933-6-2 12477 Napa Howell Mountain. On hills at head of Moore's Creek, 3-4 miles east of Angwin's. 396 Comment
  RSA10676  Melica torreyana C. B. Wolf 1928-5-3 1812 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC526911  Melica torreyana Joseph P. Tracy 1933-6-2 12477 Napa 3-4 mi e Anqwin's (on hills at head of Moore's Creek, Howell Mtn.); North Coast Ranges, Howell Mtn 396 Comment
  UCD168573  Melica torreyana 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
  CDA32528  Melica torreyana P. B. Kennedy 1928-4-15 Napa Blake Estate, south east of Pacific Union College, Angwin 0 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
  JEPS65542  Melilotus albus W. L. Jepson 1937-9-29 18569 Napa St. Helena; on road to Sanitorium Comment
  POM66928  Melilotus indicus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC126552  Melissa officinalis Harley P. Chandler Sep 7 1906-Sep 14 1906 7107 Napa Alta Loma Ranch, Howell Mt. Howell Mt., Alta Loma Ranch 487 Comment
  UC2061507  Melissa officinalis Dean G. Kelch 2016-7-9 16 .153 Napa Napa Valley: Yountville. Along creek east of city buildings. Comment
  CHSC107511  Mentha pulegium M. K. Beyers; F. Favela, J. McDonnell 2009-8-29 213 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). Comment
  UCD102837  Micranthes californica G. L. Webster 1967-3-23 7498 Napa Between Wragg Canyon and Markley Canyon, c. 5 miles SW Monticello Dam. 396 Comment
  UCD170200  Micranthes californica Daniel Potter 2015-3-14 757 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 241 Comment
  CDA10905  Micropus californicus G. F. Hrusa, M. Rejmanek 1993-5-15 11001 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CAS-BOT-BC348548  Micropus californicus var. californicus M. S. Jussel 1931-4-19 s.n. Napa Pope Valley 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
  UC581134  Micropus californicus var. californicus H. L. Mason 1934-4-30 8103 Napa w side Wooden Valley Grade (near summit) Comment
  CAS-BOT-BC348968  Microseris douglasii subsp. douglasii John Thomas Howell 1931-4-19 6449 Napa Conn Valley 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
  JEPS36151  Microseris douglasii subsp. douglasii W. L. Jepson 1893-5 Napa Howell Mt. Comment
  UC1746034  Mimulus angustatus Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2764 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UCD85031  Mimulus angustatus Dena Grossenbacher 2009-5-14 990 Napa Along east side of Ink Grade Road about 0.3 miles north of junction with Howell Mountain Road. 557 Comment
  SEINET3079656 Image available Mimulus aurantiacus Royal D. Suttkus 1967-6-26 67- 30 -11 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UCD14921  Mimulus aurantiacus Wesley Ebert 1977-4-16 34 Napa 6 miles south west of Monticello Dam, along the east side of Highway 128 above East Bull Canyon. 213 Comment
  UCD48234  Mimulus aurantiacus J. Howard; M. Carson, A. Haselby, P. Mayers 2000-4-29 14 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  OBI9505  Mimulus aurantiacus var. aurantiacus R. L. Hoover 1968-4-20 49 Napa Collected on Howell Mtn rd, 2.6 mi NE of State Rtes 29/128, on W side of road Comment
  RSA52723  Mimulus aurantiacus var. aurantiacus I. L. Wiggins 1949-4-30 12077 Napa hillsides along old toll road between Calistoga and Middleton, about 1.5 mi from Calistoga Comment
  UC445121  Mimulus aurantiacus var. aurantiacus H. P. Chandler 1907-5-29 7588 Napa White Sulphur Spring St. Helena Comment
  UC796465  Mimulus aurantiacus var. aurantiacus Ira L. Wiggins 1949-4-30 12077 Napa about 1.5 mi from Calistoga (along old toll road between Calistoga and Middletown) Comment
  UCD122512  Mimulus cardinalis D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  JEPS110583  Mimulus congdonii Jake Ruygt 1990-4-1 2449 Napa south of Leoma Lakes, Wild Horse Valley Ranch. 429 Comment
  UC444808  Mimulus douglasii J. P. Tracy 1902-5-22 1624 1/2 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 365 Comment
  CDA15441  Mimulus guttatus Rachel Curtis 1995-5-6 14 Napa Approx. 7.0 mi. E of Silverado Trail Rd. Comment
  HSC20744  Mimulus guttatus Greg Bos 1963-3-30 68 Napa 7 mi. S of Middletown on Butte Canyon Rd. 305 Comment
  RSA114031  Mimulus guttatus Peter H. Raven 1957-5-5 10754 Napa Calistoga. Comment
  SEINET7041068  Mimulus guttatus Christopher T. Ivey 2002-4-23 359 Napa East side of Chiles-Pope Valley Road, 4.2 miles south of Pope Canyon Road. Comment
  SEINET7057279  Mimulus guttatus Christopher T. Ivey 2003-11-29 364 Napa Specimen grown in greenhouse from wild-collected seed. Population occured along sream margin feeding Racoon Lagoon at north end of Lake Berryessa, about 4.5 mile north of Pope Canyon Road on Berryessa-Knoxville Road. Comment
  JEPS110584  Mimulus inodorus Jake Ruygt 1979-6-14 697 Napa north of PG&E substation, Tulocay, on Suscol Hill 24 Comment
  RSA195352  Mimulus kelloggii Gilbert Muth 1967-5-17 686 Napa Summit of Oat Hill Road. 671 Comment
  JEPS41075  Mimulus layneae Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9102 Napa about 6 1/2 mi se Knoxville (on a flat 1/2 mi due n of Cedar Valley) 609 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
  RSA293050  Mimulus layneae Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 765 Napa Mt St Helena. Comment
  JEPS110581  Mimulus microphyllus Jake Ruygt 1979-4-21 538 Napa Milliken Canyon 121 Comment
  JEPS11442  Mimulus microphyllus Willis L. Jepson 1893-5-8 10 m Napa La Jota Plateau Napa River Basin, Howell Mountain Comment
  UC1301190  Mimulus microphyllus Helen K. Sharsmith 1963-3-17 5216 Napa s side Mt. Atlas; San Francisco Bay Region 609 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
  UCD122707  Mimulus nasutus L. P. Thibault 1995-5-21 52 Napa along Wragg Creek north side of Highway 128 about 3 mi. west of Wragg Canyon Rd. 250 Comment
  JEPS11429  Mimulus nasutus W. L. Jepson 1921-5-6 9169 Napa Yountville 30 Comment
  CDA41840  Mimulus nudatus S. E. Schoenig 1998-6-3 98 -19 Napa 200 meters wast of Knoxville-Berryessa Road, 2 miles south of Homestake Mine. Comment
  RSA309394  Mimulus nudatus Robert F. Hoover 1941-4-26 4928 Napa Summit between Pope Valley and Butts Creek Comment
  UC1778536  Mimulus nudatus S. E. Schoenig 1998-6-3 98 -19 Napa 200 meters W of Knoxville-Berryessa Rd. , 2 mi. S of Homestake mine;lat corrected from 35 426 Comment
  UCD170353  Mimulus nudatus Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 852 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 459 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
  UC1196778  Mimulus pulsiferae J. P. Tracy 1902-5-19 1566 Napa 3-4 mi e Angwin's (in stream bed); Howell Mountain, La Jota Plateau, head of Moore's Creek 518 Comment
  RSA129900  Mimulus tricolor Peter H. Raven 1951-5-26 2877 Napa Butts Canyon. 305 Comment
  JEPS22478  Minuartia californica Willis L. Jepson 1893-4-26 Napa La Lomita Napa River Basin Comment
  JEPS29590  Minuartia californica Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8447 Napa along Atlas Peak Rd 4.8 mi n Vichy Springs (junction of Calif. 37) (due w of and above Milliken Reservoir) 335 Comment
  CAS-BOT-BC388756  Minuartia douglasii Alice Eastwood 1918-5-1 6834 Napa Mt. St. Helena Comment
  JEPS84704  Minuartia douglasii John W. Willoughby 1977-4-20 2140 Napa below and just to s of Mount Vaca (w side of ridge); Vaca Mountains, Blue Ridge 457 Comment
  CAS-BOT-BC220693  Monardella viridis Peter H. Raven 1952-6-28 4202 Napa Conn Valley 137 Comment
  LA87890  Monardella viridis Elizabeth McClintock; 1968-8-4 sn Napa above Aetna Springs between Middletown and Pope Valley Comment
  POM126651  Monardella viridis Katherine Brandegee s.n. Napa Angwin s Comment
  UC419738  Monardella viridis Mrs. H. P. Bracelin 1930-7-13 28 Napa s slope Mt. St. Helena Comment
  UCD82594  Monardella viridis Ellen Dean; T. Starbuck 2009-5-4 5533 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  JEPS101598  Monardella viridis subsp. viridis Dean W. Taylor 1999-7-20 17289 Napa Crystal Lake (large vernal lake west of Highway 128 and Capell Creek) 350 Comment
  JEPS55471  Monardella viridis subsp. viridis Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena Comment
  UCD170447  Monolopia major Daniel Potter; Ninh Khuu 2017-5-14 919 Napa Knoxville Wildlife Area, along Nevada Creek. 330 Comment
  UCD23397  Montia perfoliata Julia Knorr 1977-4-16 5 Napa White and purple flowers. Foothill woodland, N facing slope, full shade. 6.4 miles W from Monticello Dam on Highway 128. Comment
  UCR151585  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa N end of Capell Valley, along State Hwy 128, above Capell Creek Comment
  CAS-BOT-BC515121  Muilla maritima Alice Eastwood 1915-6-5 4630 Napa Calistoga Comment
  CDA10880  Nassella lepida G. F. Hrusa, M. Rejmanek 1993-5-15 10975 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC187237  Nassella pulchra J. P. Tracy 1902-5-21 1581 Napa head of creek 3-4 mi e Angwin's; Howell Mountain, Moore's Creek 457 Comment
  UCD18148  Nassella pulchra Jean Shepard; with PLB 102 class 2000-4-29 203 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CAS-BOT-BC230261  Navarretia cotulifolia David D. Keck 1933-5-29 2350 Napa Just S of Pope Creek Bridge, S of Walters Springs Comment
  UCD167174  Navarretia divaricata subsp. vividior Jake Ruygt 1986-5-24 1788 Napa Table Mountain. 731 Comment
  CAS-BOT-BC230306  Navarretia heterandra Beecher Crampton 1960-6-29 5747 Napa 2 miles N of Spanish Flat, W shore of Lake Berryessa Comment
  JEPS112536  Navarretia heterodoxa Jake Ruygt 1991-6-10 2717 Napa above Cooksley Lake toward Summit Lake Dr., Angwin 725 Comment
  UC23628  Navarretia heterodoxa Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  UCD48411  Navarretia heterodoxa Heidi E. M. Dobson 1978-6-29 346 Napa California, Napa County: East slope of Mt. Veeder. Comment
  SEINET14057637  Navarretia heterodoxa K. Brandegee 1910-7-27 139 Napa Angwin Comment
  UC143015  Navarretia intertexta Katharine Brandegee 1910-7-27 Napa near Angwin's Comment
  UCD73437  Navarretia intertexta Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  JEPS129053  Navarretia intertexta subsp. intertexta Jake Ruygt 2016-6-11 6286 Napa Wantrup Wildlife Preserve. Chiles Valley 7.5' Quad. Comment
  UCD167182  Navarretia intertexta subsp. intertexta Jake Ruygt 1989-6-17 2373 Napa Bear Valley. 633 Comment
  SD3929  Navarretia jepsonii Katherine Brandegee 1910-7-26 Napa Near Aetna Springs Comment
  SEINET196216  Navarretia jepsonii K. Brandegee Jun and 26 Jul 1910 148 Napa Near Aetna Springs. Comment
  JEPS112559  Navarretia leucocephala subsp. pauciflora Jake Ruygt 1986-4-26 1734 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 446 Comment
  JEPS112555  Navarretia mellita Jake Ruygt 1989-6-3 2359 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 393 Comment
  UCD48408  Navarretia mellita Robert E. Preston 1987-6-13 560 Napa CA: Napa Co.; N slope of Snell Peak. T10N R5W se1/4 S7 (Aetna Springs 7.5' quad). 365 Comment
  SEINET5642388  Navarretia paradoxinota Leigh A. Johnson, David Gowen; Mark E. Mort 2009-5-27 09 -021 Napa In depressions along southeast side of Snell road within 50 east yards of jct. with Butts Canyon Road. Serpentine influenced soils. 180 Comment
  CAS-BOT-BC232668  Navarretia pubescens R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6669 Napa 6 miles NE of Pacific Union College (Howell Mountain) on road to Aetna Springs Comment
  UC527938  Navarretia pubescens R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6669 Napa 6 mi ne Pacific Union College (on road to Aetna Springs); Howell Mt. Comment
  UCD36307  Navarretia pubescens Beecher Crampton 1953-5-19 1309 Napa 4 miles south of Monticello, along Highway 128. Comment
  UCD48629  Navarretia pubescens Robert E. Preston 1987-6-13 561 Napa CA: Napa Co.; common in dry grassy areas and along dirt road, ca. 1 mi ne of Snell Peak (Aetna Springs 7.5' quad). 335 Comment
  JEPS110946  Navarretia squarrosa Jake Ruygt 1981-7-15 1065 Napa 1.5 miles north of Browns Valley Rd. on Redwood Rd. 152 Comment
  UCD167199  Navarretia squarrosa Jake Ruygt 1982-7-18 1375 Napa Deer Park Road at Four Corners. 414 Comment
  RSA73124  Navarretia subuligera J. T. Howell 1940-5-19 s.n. Napa Upper St. Helena Creek. Comment
  UC909076  Navarretia viscidula Herbert L. Mason 1935-5-30 8321 Napa just s Napa State Hospital Comment
  SEINET10464787  Nemacladus capillaris R. Alava 1957-5-30 Alava 1007 Napa Along road, about 0.5 mile toward Monticello from junction of the road to Monticello and State Highwat 128 Comment
  UC1199528  Nemacladus capillaris Francia Chisaki 1957-5-30 971 Napa between Chiles and Monticello (by Soda Creek); Soda Creek Comment
  SBBG29777  Nemacladus montanus H. L. Mason 1935-5-30 10000 Napa 4 mi N of Knoxville Mines Comment
  RSA492511  Nemacladus montanus H. L. Mason 1935-5-30 10000 Napa Four miles north of Knoxville Mines. Comment
  CAS-BOT-BC219371  Nemophila Saichi Kawahara 1968-4-20 342 Napa Chiles-Pope Valley Road, 2 miles south of Pope Valley 259 Comment
  JEPS85032  Nemophila heterophylla Larry Heckard and Mary Ashton 1969-5-3 2206 Napa ca 7 mi ne Napa (off the Atlas Peak Rd., Mead Ranch); ne of Napa, Mead Ranch, off Atlas Peak Rd. 457 Comment
  RSA75813  Nemophila heterophylla Lincoln Constance 1938-4-22 2134 Napa Above Dry Creek 2 miles west of Yountville, Miyakma Mountains, North Coast Ranges. 457 Comment
  UCD120062  Nemophila heterophylla G. L. Webster 1967-3-23 7488 Napa Along Chiles Creek c. 1 mi SW Chiles Grist Mill, Pope Valley Rd. 137 Comment
  UCD120070  Nemophila heterophylla M. Wiesendanger 1928-4-5 857 Napa Monticello-Napa Rd. Comment
  CHSC43316  Nemophila menziesii Lowell Ahart 1969-4-7 25 Napa On moist soil of a road cut, near Lake Berryessa. 243 Comment
  JEPS110841  Nemophila menziesii Jake Ruygt 1977-3-14 156 Napa .2 mile north of Silverado Trail on Soda Canyon Rd. 121 Comment
  SEINET5730453 Image available Nemophila menziesii Stephen L. Clement 1973-1 25- 4 -8 Napa 11.6 miles south of Pope Valley, Napa County.; Pope Valley Comment
  UC619287  Nemophila menziesii Mrs. L. A. R. Peckinpah 1898-3-11 Napa e Yountville (foothills Napa Range); foothills Napa Range e of Yountville Comment
  UCD23404  Nemophila menziesii Eva Kurth 1977-4-24 199 Napa Proximal part of petals white, distal part sky blue, with longitudinal rows of small purple spots. In full sun in meadow. Berryessa Knoxville Rd. 2.3 miles SE of Knoxville Mine. 304 Comment
  UCD23407  Nemophila menziesii Karin Staaf 1977-4-16 7 Napa 6.4 miles SW of Monticello Dam, in a small shallow canyon on south side of Highway 128. Plants 3 inches tall, herbaceous. Flowers white/blue. Growth upright to low and creeping. Growing in open, sunny, grassy meadow. Soil clay like. Comment
  JEPS110844  Nemophila menziesii var. menziesii Jake Ruygt 1996-3-23 3531 Napa .3 mile from Pope Canyon Road on Hardin Road, near airstrip. 184 Comment
  UCD120254  Nemophila menziesii var. menziesii L. P. Thibault 1995-5-21 48 Napa South side of Highway 128 about 3 mi. west of Wragg Canyon Rd. 250 Comment
  JEPS110843  Nemophila menziesii var. menziesii Jake Ruygt 1997-3-18 3912 Napa Conn Valley Road, 4 mi E from Silverado Trail 103 Comment
  JEPS110870  Nemophila pedunculata Jake Ruygt 1992-3-28 2868 Napa Snell Valley just west of Stagecoach Canyon Rd. 188 Comment
  UCD166685  Nemophila pedunculata Jake Ruygt 1982-3-3 1116 Napa Long Canyon, about 0.3 mile E of Berryessa-Knoxville Rd. 327 Comment
  JEPS2664 Image available Nemophila venosa Mrs. L. A. R. Peckinpah 1898-3-11 Napa near (e of) Yountville; foothills of Napa Range; Napa Range, near Yountville Comment
  CHSC102523  Nicotiana acuminata var. multiflora Lowell Ahart 2009-10-12 16455 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS110671  Nuttallanthus texanus Jake Ruygt 1992-4-10 2902 Napa SW of Leoma Lakes, Wild Horse Valley Ranch 426 Comment
  JEPS113972  Odontostomum hartwegii Jake Ruygt 1978-5-14 311 Napa .6 mile north of Oakville Cross Road on Silverado Trail. Yountville 7.5' Quad. Comment
  SEINET8853707 Image available Orobanche fasciculata Bill Wardell 1961-1 27 Napa State Highway 37, 20 miles southwest of Monticello Dam Comment
  UC1125595  Orobanche uniflora subsp. occidentalis Beryl O. Schreiber 1938-4-24 2498 Napa Wooden Valley Grade, 5.2 mi NNE of Napa. Napa 7.5' Quad. Comment
  RSA0059237  Orobanche uniflora subsp. occidentalis John C. Roos 1939-5-6 293 Napa Napa range above Calistoga. Comment
  JEPS110567  Orobanche valida subsp. howellii Jake Ruygt 1986-6-14 1823 Napa Craters, canyon at head of Table Rock 707 Comment
  CAS-BOT-BC243698  Orobanche valida subsp. howellii Alice A. Ackley 1964-8-1 s.n. Napa Mt. St. Helena Comment
  POM15656  Orthocarpus erianthus C. F. Baker 1903-4-19 2632 Napa Calistoga. Comment
  SEINET4854296  Orthocarpus lacerus Carl F. Baker 1903-5-8 2965 Napa Knoxville. Comment
  UCD22734  Orthocarpus pusillus C. H. Pinney 1975-4-15 28 Napa Approximately 2.5 miles east of W Ragg Canyon Rd. on Hwy 128. 259 Comment
  JEPS15890  Osmorhiza berteroi John Benson 1887-1-1 Napa Comment
  UC901879  Osmorhiza berteroi Joseph Andorfer Ewan 1937-5-23 10327 Napa Mt. St. Helena; w slope, along auto road Comment
  JEPS122756  Oxalis incarnata Jake Ruygt 2003-5-17 4530 Napa Sarco Creek, SW corner of Foote Mt. George Preserve. Quad: Mt. George. Comment
  JEPS122735  Oxalis pilosa Jake Ruygt 1994-5-25 3391 Napa Westwood Hills Park, Browns Valley Road. Quad: Napa. Comment
  CAS-BOT-BC316826  Packera clevelandii John Thomas Howell 1930-10-19 5620 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown. Comment
  JEPS17410  Packera eurycephala var. eurycephala W. L. Jepson 1938-6-11 19009 Napa Knoxville Ridge 731 Comment
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Jun 12 2012
  JEPS37193  Packera eurycephala var. eurycephala W. L. Jepson 1920-5-25 9045 Napa Knoxville Ridge, ne Napa County Knoxville Ridge 670 Comment
  JEPS81214  Packera eurycephala var. eurycephala Douglas W. James Jr. 1973-5-5 97 Napa near, not far from road that runs through the ranch MacDonald Ranch property line; Las Posadas State Forest, Pope Valley 411 Comment
  CAS-BOT-BC316879  Packera eurycephala var. eurycephala John Thomas Howell 1935-5-12 12626 Napa Pope Creek Canyon 1 mile below Samuels Springs Comment
  RSA126981  Panicum capillare B. O. Schreiber 1936-9-20 2355 Napa 5 miles south of Reiff 762 Comment
  JEPS110604  Parentucellia viscosa Jake Ruygt 2003-6-5 4535 Napa Big Ranch Road about 1/4 mi S of El Avenue 16 Comment
  JEPS50025  Parvisedum pumilum W. L. Jepson 1915-4-22 6234 Napa Hills e of St. Helena ([Howell] Road) Comment
  JEPS120404  Paxistima myrsinites Jake Ruygt 1995-4-9 3423 Napa Van Ness Canyon near feeder creek to Van Ness Creek Comment
  JEPS129131  Pectocarya penicillata Jake Ruygt 2012-4-28 5832 Napa Crystal Flats, west of Putah Creek. Aetna Springs 7.5' Quad. Comment
  JEPS68193  Pectocarya penicillata W. L. Jepson 1893-5-1 21224 Napa w Calistoga Comment
  UCD169887  Pedicularis densiflora Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 726 Napa Knoxville Wildlife Area. 311 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
  RSA10634  Pedicularis densiflora Carl B. Wolf 1928-5-4 1856 Napa Upper slopes of Mount St. Helena. Comment
  CHSC46030  Pellaea andromedifolia Lowell Ahart 1976-3-7 1021 Napa About 1/8 mile south of the road, about 2 miles south-west of Monticello Dam. 152 Comment
  UC57304  Pellaea andromedifolia J. P. Tracy 1902-5-22 1624 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 365 Comment
  CAS-BOT-BC71385  Pellaea mucronata Peter H. Raven 1950-4-15 1739 Napa Wooden Valley Grade above Napa 609 Comment
  RSA602575  Pellaea mucronata L. C. Wheeler 1952-8-30 6882 Napa Manganese Ridge. Moore Creek, Howell Mountain 366 Comment
  UCD20501  Pellaea mucronata var. mucronata E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1072 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
  UCD73458  Pellaea mucronata var. mucronata Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  JEPS85717  Penstemon newberryi var. sonomensis E. Ferguson 1920-5-15 354 Napa Mount St. Helena, Silverado Mine Silverado Mine; Mount St. Helena, Silverado Mine Comment
  POM125419  Penstemon newberryi var. sonomensis Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena. Comment
  RSA10641  Penstemon newberryi var. sonomensis Carl B. Wolf 1928-5-4 1849 Napa Upper slopes of Mount St. Helena. Comment
  UC726424  Penstemon newberryi var. sonomensis A. A. Heller 1941-5-3 16086 Napa Mt. St. Helena, about half way up along the road leading to the sumit Comment
  JEPS120382  Pentachaeta alsinoides Jake Ruygt 1983-4-26 1445 Napa Hwy 12 at Sonoma Co. line Comment
  CDA11621  Pentagramma triangularis G. F. Hrusa, G. L. Stebbins 1994-3-11 11595 Napa North Coast Biodiversity Arena; Las Posadas State Forest. E of Fire Station in upper drainage of Moore Creek. Comment
  UCD137749  Pentagramma triangularis Katherine Pinney 1975-4-15 32 Napa Wragg Canyon, ca. 2.5 miles east of Wragg Canyon Road on Highway 128. 259 Comment
  JEPS60091  Pentagramma triangularis subsp. triangularis W. L. Jepson 1943-5-15 20777 Napa Knoxville Ridge Comment
  UCD48368  Pentagramma triangularis subsp. triangularis Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd. South of junction with Cut Off Rd., 10 ft. from creek bed. 182 Comment
  JEPS12440  Perideridia kelloggii W. L. Jepson 1920-7-12 9071 Napa Conn Valley Napa Range (red ridge at mouth) Comment
  JEPS120312  Persicaria hydropiperoides Jake Ruygt 1992-8-6 3122 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Quad. 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
  UCD98389  Petrorhagia dubia R. L. Smith 1948-5-8 s.n. Napa 6 mlies north of Aetna Springs, Pope Valley. Comment
  UC24391  Phacelia Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs Napa River Basin Comment
  UC131534  Phacelia californica C. F. Baker 1903-4-19 2601 Napa St. Helena Comment
  UCR45092  Phacelia corymbosa L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  CAS-BOT-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
  UC914301  Phacelia distans Verne Grant and Alva Grant 1947-4-19 7939 a Napa on Monticello rd 8 mi from Vichy Springs (e slope of mts.); Mayacama Mts. Comment
  UC1278087  Phacelia distans B. Crampton 1955-4-7 2441 Napa 1/2 mi nw Knoxville (ne Napa Co.) Comment
  UCSB5366  Phacelia distans Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek, 1.8 miles east of end of Conn Lake 76 Comment
  JEPS110866  Phacelia divaricata Jake Ruygt 1979-4-14 514 Napa Oat Hill Mine Rd. near Twin Peaks 694 Comment
  UC1228238  Phacelia egena J. R. Sweeney, H. L. Mason, R. Bacigalupi 1953-6-8 Napa top of grade of rd over e flank of mt Mt. St. Helena (from Calistoga to Middletown) 670 Comment
  JEPS2146  Phacelia imbricata W. L. Jepson 1936-6-1 17599 Napa near sanitarium (lower slopes of mt.); Napa Range, Howell Mtn. Comment
  RSA133981  Phacelia imbricata subsp. imbricata Lincoln Constance, L. R. Heckard 1951-4-15 3371 Napa Silverado Trail, one mile east of St. Helena. Comment
  RSA582241  Phacelia imbricata subsp. imbricata Joseph A. Ewan 1934-4-30 8848 Napa Five miles south of Montebiello, on Steel Canyon Road. Comment
  JEPS110800  Phacelia nemoralis Jake Ruygt 2001-7-14 4324 Napa Atlas Peak Road about 4 mi N of Westgate Drive 335 Comment
  CAS-BOT-BC154361  Phacelia suaveolens Belle R. Jackson 1930-6-20 s.n. Napa Middle peak, Mt. St. Helena Comment
  UCD73505  Phalaris minor Ayzik Solomeshch 2007-5-28 s. n. Napa NW of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC903161  Phlox gracilis Ethel Crum 1937-4-19 1783 Napa 15 mi ne Napa; Napa Range, Steele Canyon Comment
  UCD102037  Phoradendron bolleanum O. A. Leonard 1962-3-9 s.n. Napa Near Napa-Lake County line, 4 miles northwest of Knoxville on road to Lower Lake. 640 Comment
  UCD48241  Phoradendron bolleanum A. Miles; E. Anderson, L. Lina, J. Waggoner, and R. Wenk 2000-4-22 13 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  RSA654885  Phoradendron densum G. Fred Hrusa 1993-10-3 11427 Napa 2 miles SW along Knoxville-Devilhead Road from Knoxville-Berryessa Road. 518 Comment
  JEPS129051  Phoradendron serotinum subsp. tomentosum Jake Ruygt 2016-7-2 6290 Napa Sutro Ranch, Atlas Peak. Yountville 7.5' Quad. Comment
  RSA293498  Phyla nodiflora C. W. Tilforth, John Dourley 1979-7-22 1858 Napa 0.4 miles south of Park Headquarters, west side of Lake Berryesa. 137 Comment
  CDA34680  Physalis lancifolia L. Ahart 2009-10-27 16500 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  JEPS110555  Physocarpus capitatus Jake Ruygt 1987-5-16 1994 Napa Devil's Canyon 582 Comment
  UC466696  Physocarpus capitatus H. P. Chandler 1907-5-12 7565 Napa White Sulphur Spring St. Helena Comment
  UCD73434  Pickeringia montana Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
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Aug 3 2010
  UC1197437  Pickeringia montana var. montana Joseph P. Tracy 1938-6-5 15833 Napa 3-4 mi Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD117788  Pickeringia montana var. montana Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, south of undeveloped road. 391 Comment
  JEPS103973  Pilularia americana Jake Ruygt 1990-4-23 2504 Napa Wild Horse Valley Ranch at vernal pool 472 Comment
  JEPS103974  Pilularia americana Jake Ruygt 1996-5-19 3712 Napa West of Barnett Road near Burton Creek, (Peju Pr)Pope Valley. 201 Comment
  JEPS103997  Pinus attenuata Jake Ruygt 1978-3-19 249 Napa Mt. St. Helena 914 Comment
  CAS-BOT-BC73123  Pinus lambertiana Bell Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  UC235  Pinus lambertiana unknown Napa Mt. St. Helena Comment
  JEPS120364  Pinus ponderosa Jake Ruygt 1979-4-23 551 Napa 0.1 mile NW of Howell Mountain Road, on Hill Road. Saint Helena 7.5' Quad. Comment
  JEPS46896  Pinus sabiniana W. L. Jepson 1906-12-1 Napa St. Helena Comment
  RSA491731  Pinus sabiniana James L. Reveal 1987-6-7 6405 Napa Along California Highway 128 between Winters and Rutherford, 5.5 miles southeast of Moskowite Corner, about 11 airline miles northeast of Napa and South of Lake Berryessa. 244 Comment
  SEINET3221130 Image available Pinus sabiniana Royal D. Suttkus 1967-6-26 67- 30 -43 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UCD47758  Pinus sabiniana R. Blenkush 2000-4-22 16 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
  JEPS120440  Piperia elongata Jake Ruygt 1978-7-2 377 Napa 3/4 mile west of 29 on Diamond Mtn. Rd. Comment
  UC78139  Plagiobothrys bracteatus Alice Eastwood 1900-5-8 Napa Calistoga Comment
  JEPS60937 Image available Plagiobothrys bracteatus W. L. Jepson 1897-5-2 21170 Napa near Calistoga; Napa Valley Comment
  UCD161339  Plagiobothrys canescens Jake Ruygt 1983-4-21 1440 Napa Suscol Ridge west of Highway 221. (Coordinates estimated by label maker at UC Davis). Comment
  JEPS106763  Plagiobothrys nothofulvus Jake Ruygt 1984-3-31 1521 Napa Devil's Canyon 384 Comment
  JEPS106764  Plagiobothrys nothofulvus Jake Ruygt 1996-5-19 3715 Napa West of Barnett Road near Burton Creek, (Peju Pr)Pope Valley. 201 Comment
  JEPS68063  Plagiobothrys nothofulvus W. L. Jepson 1897-5-2 21158 Napa St. Helena Comment
  POM182692  Plagiobothrys nothofulvus D. D. Keck 1931-4-2 1006 Napa Foot of Wooden Valley grade, 4 miles NE of Napa. 50 Comment
  POM182804  Plagiobothrys nothofulvus H. P. Chandler 1907-3-30 s.n. Napa Road to Toll House. Comment
  UCD120926  Plagiobothrys nothofulvus J. M. Tucker; C. H. Lamoureux and June McCaskill 1957-4-7 3290 Napa Beside 'Silverado Trail', ca. 7.5 miles north of St. Helena, east side of Napa Valley. Comment
  UCD63861  Plagiobothrys stipitatus var. micranthus Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  JEPS106761  Plagiobothrys tenellus Jake Ruygt 1982-3-22 1143 Napa Kreuze Canyon 381 Comment
  UC1239617  Plagiobothrys tenellus J. P. Tracy 1902-5-20 1562 Napa near Angwin Creek crossing; Howell Mountain 457 Comment
  UC55911  Plagiobothrys tenellus J. P. Tracy 1902-5-18 1539 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 518 Comment
  RSA170256  Plagiobothrys tener Joseph P. Tracy 1950-5-23 18664 Napa Howell Mountain; on La Jota Plateau in Las Posadas State Forest. Comment
  UC632459  Plagiobothrys tener var. subglaber Beryl O. Schreiber 1938-4-24 2499 Napa 1/2 mi sw Knoxville; Reiff Quad. 609 Comment
Read comments
Jun 14 2013
  POM252890  Plagiobothrys tener var. subglaber B. O. Schreiber 1938-4-24 2499 Napa 0.5 mile NW of Knoxville. 610 Comment
  UC1245372  Plagiobothrys tener var. tener Joseph P. Tracy 1950-5-23 18664 Napa on La Jota Plateau (Las Posadas State Forest); , Howell Mountain 518 Comment
  UCD167144  Plagiobothrys undulatus Jake Ruygt 2015-5-6 6091 Napa East side of Highway 221, south of Suscol Creek. 30 Comment
  CDA10892  Plantago erecta G. F. Hrusa, M. Rejmanek 1993-5-15 10987 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC1301166  Plantago erecta Helen K. Sharsmith 1963-3-17 5209 Napa s side Mt. Atlas; San Francisco Bay Region 609 Comment
  UC585997  Plantago erecta Joseph P. Tracy 1933-4-30 12086 Napa 5 mi e Angwin's (on hills at head of Moores Creek); Howell Mountain, Moores Creek 365 Comment
  UCD118542  Plantago erecta Roxanne Faure; 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
  UCD81817  Plantago erecta Ellen Dean 2009-4-24 5444 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UC545833  Plantago erecta Mrs. H. P. Bracelin 1930-3-29 Napa e of Napa (on road to Monticello, nw slopes of Mount George); Mount George Comment
  UCD15036  Plantago erecta Rebecca L. Moehlmann 1977-4-16 12 Napa California, Napa Co. : Wragg Canyon, along the east side of Highway 128, 6.4 miles (by road) south - southwest of Monticello Dam. 182 Comment
  CHSC59778  Plantago lanceolata William Schlack 1975-5-16 33 Napa Zinfandel Lane, 2 miles west of State Highway 29. 91 Comment
  UCD164741  Plantago major Jake Ruygt 2014-7-7 6020 Napa Pope Creek. Pope Canyon. 188 Comment
  POM182730  Platystemon californicus var. californicus D. D. Keck 1931-4-2 1056 Napa Monticello Comment
  JEPS4807  Plectritis brachystemon W. L. Jepson 6259 Napa Conn Valley Comment
  UCD49301  Plectritis ciliosa A. Van Houtte; E. Leger and C. Hohn 2001-4-14 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  JEPS5144  Plectritis ciliosa subsp. ciliosa Miss R. Kuhn 1912-4-17 Napa Oakville Comment
  UC650434  Plectritis ciliosa subsp. ciliosa Ira L. Wiggins 1928-3-24 2868 Napa above Calistoga (on old road to Lake County) Comment
  JEPS110895  Plectritis macrocera Jake Ruygt 1979-5-20 613 Napa 1.6 miles north of White Cottage Rd. on Summit Street 694 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
  UC28849  Plectritis macrocera Willis L. Jepson 1893-5-8 Napa Napa River Basin, Howell Mountain, Angwin's Howell Mountain; Napa River Basin, , Angwin's Comment
  UC999846  Plectritis macrocera S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 689 Napa n of Monticello Comment
  JEPS122934  Pleuropogon californicus Jake Ruygt 1996-3-23 3536 Napa North side of Deer Park Road between Napa River and Highway 29. Quad: Saint Helena. Comment
  JEPS75068  Pleuropogon californicus W. L. Jepson 1893-4-24 Napa e of St. Helena (to Conn Valley grade, Napa River Basin); Napa River Basin Comment
  UC1145108  Pleuropogon californicus Joseph P. Tracy 1938-6-6 15844 Napa between Napa City and Yountville Napa City; Napa Valley 30 Comment
  UCD37527  Pleuropogon californicus Beecher Crampton 1955-3-14 2318 Napa Napa County, 5-6 miles southeast of Calistoga, Upper Napa Valley, along Silverado Trail Highway. Comment
  UC767873  Pleuropogon californicus var. californicus R. F. Hoover 1941-4-26 4923 Napa Pope Valley Comment
  CAS-BOT-BC260957  Pleuropogon californicus var. californicus A. A. Heller 1924-4-12 s.n. Napa Near one of the hot springs, Calistoga Comment
  CAS-BOT-BC246686  Poa howellii Catherine Best 1980-4-9 s.n. Napa Glass Mountain Rd near the Silverado Trail Comment
  JEPS122931  Poa howellii Jake Ruygt 1984-5-5 1542 Napa Bell Canyon Creek. Quad: Saint Helena. Comment
  UCD36940  Poa howellii Beecher Crampton 1956-5-25 3461 Napa Vaca Mountains, eastern slope of Wragg Canyon. Comment
  CDA10844  Poa kelloggii G. F. Hrusa, G. L. Stebbins 1994-4-18 11781 A Napa North Coast Biodiversity Arena; Pope Valley. Along upper Swartz Creek N tributary (James Cr.). 213 Comment
  CAS-BOT-BC246848  Poa napensis Peter H. Raven 1957-5-5 10737 Napa Field near the hot springs at the airport, Calistoga Comment
  UCD91552  Poa napensis Beecher Crampton 1965-5-13 7338 Napa 2 miles north of Calistoga, Myrtledale Hot Springs area. Comment
  CAS-BOT-BC255949  Poa pratensis Peter H. Raven 1951-5-26 2890 Napa Howell Mtn. above Pope Valley 304 Comment
  UCD91866  Poa pratensis Beecher Crampton 1953-6-2 1435 Napa along Hwy. 53, 8 miles south of Middletown. Comment
  SACT002005  Poa scabrella John Willoughby 1977-4-27 Napa Along State Highway 128 very near Monticello Dam, north-facing, rocky slope on south side of highway. Comment
  RSA10120  Poa secunda Joseph P. Tracy 1933-4-30 12118 Napa Near Angwin Creek on Howell Mountain 457 Comment
  UCD112243  Poa secunda Christopher Mallek 2008-5-12 AS2- 15 Napa Aetna Springs. 668 Comment
  UCD90836  Poa secunda subsp. secunda Beecher Crampton 1965-5-13 7332 Napa 11 miles E of Rutherford, State Hwy. 128. Comment
  JEPS110838  Pogogyne serpylloides Jake Ruygt 1986-4-13 1693 Napa Pope Canyon Rd. just east of vernal marsh 187 Comment
  SEINET9289847  Pogogyne serpylloides Unknown 1993-5-1 10972 Napa Napa Co., CA Comment
  UCD49103  Pogogyne serpylloides A. Collier; D. Caterson and S. Kenady 2002-5-4 3 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of East and West roads, near stock pond, on the SW side of pond. 320 Comment
  UC852688  Polycarpon tetraphyllum Alice Eastwood 1915-6-5 4655 Napa Calistoga, along railroad Calistoga Comment
  RSA0036083  Polycarpon tetraphyllum John Thomas Howell 1943-6-20 18242 Napa Hills west of Napa Valley between St. Helena and Mt. St. John. 228 Comment
  UCD160732  Polygala californica Ellen Dean 2015-5-23 8784 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UCD170188  Polygala californica Daniel Potter; Ninh Khuu, Travis Parker, Coralie Donkers 2015-3-26 769 Napa east of Knoxville Devilhead Road, west of Knoxville Wildlife Area. 563 Comment
  SEINET12205441  Polygala californica F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -329 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  SEINET5744520 Image available Polygala californica Timothy P. King 1973-1 115 Napa E side of State Hwy 121, 9.6 miles from its junction with State Hwy 128, W side of Lake Berryessa.; Lake Berryessa Comment
  CHSC102524  Polygonum arenastrum Lowell Ahart 2009-10-12 16437 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCR30824  Polygonum bolanderi John C. Roos 1938-11-12 320 Napa North Coast Range, Pacific Union College, Angwin, near the falls Comment
  JEPS110757  Polygonum californicum Jake Ruygt 1990-6-11 2592 Napa City of Napa, Milliken Reservoir watershed property 356 Comment
  UC1198080  Polygonum lapathifolium Joseph P. Tracy 1905-7-3 2204 Napa near Calistoga; Northern Coast Ranges, Napa Valley Comment
  CAS-BOT-BC419846  Polygonum patulum John Thomas Howell 1932-10-8 10799 Napa Cuttings Wharf on Napa River Comment
  CDA34662  Polygonum punctatum L. 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. Comment
  UC703049  Polygonum ramosissimum John Thomas Howell 1932-10-8 10799 Napa Cuttings Wharf Napa River Comment
  RSA309338  Polypodium californicum Edward Lee, Annetta Carter 1935-12-1 1672 Napa Sarco Creek, Howell Mountains (road from Napa to Wooden Valley) Comment
  JEPS116557  Polypodium calirhiza Jake Ruygt 2005-3-26 4712 Napa Marie Creek, below old dam. Mount George 7.5' Quad. Comment
  JEPS116558  Polypodium calirhiza Jake Ruygt 1978-3-8 234 Napa 4.8 miles NE of Atlas Peak Road on Monticello Road. 7.5' Mount George Quad. Comment
  UCD91019  Polypogon interruptus August L. Hormay 1932-6-19 s.n. Napa Mt. St. Helena. Comment
  CAS-BOT-BC237254  Polypogon monspeliensis Doris K. Kildale 1928-5-8 5044 Napa 3 miles W of Napa-Solano county line Comment
  CAS-BOT-BC237257  Polypogon monspeliensis Betty H. Johnson 1968-6-8 599 Napa Near Saint Helena River, 6.4 miles SW of Middletown Comment
  UCD91281  Polypogon monspeliensis Beecher Crampton 1956-5-25 3467 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  JEPS116569  Polystichum californicum Jake Ruygt 1990-6-2 2574 Napa Sulphur Canyon. Kenwood 7.5' Quad. Comment
  JEPS42990  Potamogeton pusillus Willis L. Jepson 1893-4-24 13772 Napa hills e of St Helena (to Conn Valley Road); Napa River Basin Comment
  UCD144220  Prosartes hookeri G. F. Hrusa; G. L. Stebbins 1994-4-8 11708 Napa Las Posadas State Forest. Upper Moore's Creek. 450 Comment
  UCD73851  Prosartes hookeri Ellen Dean; S. Rae 2008-5-21 4986 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 196 Comment
  UCD166659  Prosartes hookeri Jake Ruygt 1990-4-4 2459 Napa Skyline Park on Lake Marie trail, 1/4 [mile] from lake. 201 Comment
  UCD96185  Prunus cerasifera Ellen Dean; with Clare Loughran 2011-5-20 7071 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
  UCD73398  Pseudognaphalium californicum 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
  JEPS106910  Pseudognaphalium luteoalbum Jake Ruygt 1982-3-22 1142 Napa Kreuze Canyon 396 Comment
  UCD149589  Pseudognaphalium luteoalbum Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  CAS-BOT-BC356981  Pseudognaphalium luteoalbum Peter H. Raven 1952-5-31 4161 Napa Flood plain of Rector Creek 121 Comment
  UCD159917  Pseudognaphalium microcephalum Alice Warrick 2007-4-20 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  CAS-BOT-BC80153  Pseudotsuga menziesii Peter H. Raven 1951-8-19 3852 Napa near Lokoya 487 Comment
  UCD161254  Psilocarphus brevissimus var. brevissimus Jake Ruygt 1982-5-12 1238 -a Napa Suscol Plain east of Kaiser Steel. (Coordinates estimated by label maker at UC Davis). 4 Comment
  JEPS106924  Psilocarphus tenellus Jake Ruygt 1993-4-12 3193 Napa Milton Road west of the Brazos Bridge a 0 Comment
  UCD63154  Psilocarphus tenellus var. tenellus Jake Ruygt 1991-5-6 2649 Napa Wantrup Preserve, Pope Valley. 195 Comment
  CAS-BOT-BC62710  Quercus X chasei J. M. Tucker 1954-9-23 2757 Napa beside Highway 37, 6.5 miles (by road) south of junction with Highway 28 Comment
  UCD21499  Quercus X morehus Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4401 Napa Quail Ridge Reserve. 274 Comment
  CAS-BOT-BC61810  Quercus agrifolia unspecified 1939-10-1 s.n. Napa Napa Comment
  JEPS84698  Quercus agrifolia John W. Willoughby 1976-5-18 1684 Napa w side Blue Ridge (not far below the top, latitude about that of Mount Vaca); Vaca Mountains 762 Comment
  UCD149563  Quercus agrifolia G. Ledyard Stebbins 1994-10-5 s.n. Napa Hennessey Lake. At the junction of Route 128 [and Chiles Pope Valley Road]. Comment
  UCD45140  Quercus agrifolia W. C. Overton Jr. 1980-7-13 s.n. Napa From a population of this speciesm Q. wislizenii, and a few hybrids; along south bank of Eticuera Creek ca. 1 1/2 road miles north of Lake Berryessa, Napa Co., Calif.; elev. 580 feet. Location is to the west of the Berryessa-Knoxville Road (at the 20.00 mile marker) where the creek turns sharply to the NW, away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to the NE of the limits shown in Griffin and Critchfield, 1972). No. 1 of 4 sheets. 176 Comment
  UCR146887  Quercus agrifolia Kathleen Stockwell 2000-5-27 s.n. Napa Coast Range, along Napa Creek which flows to the Napa River, along Kingston Ave. in city of Napa, north of Browns Valley Rd. and Westwood Hills Park 30 Comment
  JEPS116524  Quercus agrifolia var. agrifolia Jake Ruygt 1979-4-10 496 Napa Silverado Trail and Trancas Avenue. 7.5' Napa Quad. Comment
  RSA608861  Quercus agrifolia var. agrifolia Louis C. Wheeler 1963-9-16 8392 Napa Moore Creek Prospect, E of St. Helena. Comment
  SFV17674  Quercus berberidifolia J. M. Tucker 1950-11-12 2014 7 Napa Highway 28, 7.7 miles (by road) west of junction with Highway 37. Southeast-facing hillslope above Sage Creek. Comment
  UCD14835  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -8 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD148747  Quercus berberidifolia Jake Ruygt 2000-10-9 4287 Napa Napa County; south of Snell Peak on ridge. 396 Comment
  UCD45219  Quercus berberidifolia John M. Tucker 1950-11-12 2014 5 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; southeast-facing hillslope above sage Creek. Comment
  JEPS2952 Image available Quercus chrysolepis W. L. Jepson 1893-5-4 Napa summit Mt. St. Helena; Napa River Basin; Mt. St. Helena, Napa River Basin Comment
  CAS-BOT-BC85934  Quercus douglasii H. E. McMinn 1922-8-3 365 Napa near Lake Co. line between Aetna Springs and Middleton Comment
  JEPS37394  Quercus douglasii Willis L. Jepson 1901-8-6 1721 Napa Howell Mt. grade Napa River Basin Comment
  JEPS37493  Quercus douglasii Miss Frida Niedermuller 1908-9-7 Napa St. Helena Comment
  UC993149  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
  UCD45739  Quercus douglasii John M. Tucker 1954-9-23 2755 Napa East side of Highway 37 .1 mile south of junction with Wooden Valley Road (about 9.5 miles north-east of Napa), Napa County, California. Comment
  JEPS37800  Quercus dumosa W. L. Jepson 1938-9-28 19042 Napa La Jota Mesa Howell Mts. Comment
  SEINET9315403  Quercus dumosa Unknown 1939-4-16 39068 Napa 3 mi NE of Napa. Open rocky hills. Comment
  CAS-BOT-BC79833  Quercus durata John Thomas Howell 1933-8-24 3045 Napa Canyon of Pope Valley Creek below Walter's Springs, Napa Range Comment
  CAS-BOT-BC79836  Quercus durata Margaret J. Williams; Wayne Roderick 1984-5-22 84- 13 -1 Napa Hwy 29, 0.3 mi into Lake County from Napa County 396 Comment
  CAS-BOT-BC79844  Quercus durata M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 mi NE Cliff Spring Comment
  JEPS121551  Quercus durata Adam C. Schneider with Dick O'Donnell 2013-5-26 194 Napa Along Chiles Valley Road. Comment
  RSA118984  Quercus durata John H. Thomas 1955-5-21 5164 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena. 244 Comment
  RSA39631  Quercus durata P. A. Munz 1947-10-10 12213 Napa 12 miles east of Rutherford on road to Winters (Inner Coast Range). Comment
  SACT002640  Quercus durata Ira Wiggins, R. Ferris 1933-6-2 Napa 10 miles north of Howell Mount Comment
  UCD14806  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -4 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14819  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -8 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14826  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -22 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD170830  Quercus durata 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
  UCD40324  Quercus durata Rodney Gale Myatt 1971-6-27 769 Napa Ink Grade Road near the town of Angwin, and northeast of St. Helena. 487 Comment
  UCD45889  Quercus durata Beecher Crampton 1962-10-9 6704 Napa 7 miles north of Conn Reservoir (Lake Hennessy), Pope Valley Road. Comment
  UCD45934  Quercus durata D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Mac Laughlin UC Natural Reserve. 680 Comment
  UCD45966  Quercus durata David Slade 1982-5-27 72 Napa Highway 128 3.8 miles W of Moskowite Corner, 1000 feet. 304 Comment
  UCD45976  Quercus durata D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. 380 Comment
  UCD45911  Quercus durata var. durata Barbara Rice 1965-9-27 1 Napa Knoxville Road, 1 mile northeast of junction with State Highway 128, Napa County, California. Comment
  UCD45941  Quercus durata var. durata G. L. Stebbins, jr. 1948-5-9 3939 Napa In Capell Canyon, on road from Monticello to Rutherford, 9 miles southeast of Monticello. 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
  JEPS37824  Quercus garryana var. garryana W. L. Jepson 1916-8-6 6830 Napa Howell Mt. Comment
  UCD46068  Quercus garryana var. garryana J. M. Tucker 1954-9-23 2758 Napa 7.5 miles west of Oakville (Napa County), just about on Napa-Sonoma County line, California. Comment
  UCD46098  Quercus garryana var. garryana J. M. Tucker 1952-4-22 2355 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. 335 Comment
  UCD46115  Quercus garryana var. garryana John M. Tucker 1952-9-20 2626 Napa California, Napa Co.; road up Mt. St. Helena (Highway 29) 5.2 mi (by road) north of Calistoga. Comment
  CAS-BOT-BC105300  Quercus kelloggii Alice Eastwood 1922-5-14 11314 Napa Mt. St. Helena 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
  SEINET2066834 Image available Quercus kelloggii Royal D. Suttkus 1967-6-26 67 -308 Napa Clearly Reserves, 7.2 mi NW of Pope Valley Comment
  UC5616  Quercus kelloggii unknown 1860-1 1888 Napa Mt. Helena Comment
  UCD46743  Quercus kelloggii John M. Tucker 1995-10-14 s.n. Napa California, Napa Co.; Homestead Area of the Mc Cormick Ranch, approximately 1.1 mi. north of Bald Mountain in Sugar Loaf State Park, and roughly 7 mi. west of St. Helena. 548 Comment
  CAS-BOT-BC62878  Quercus lobata Peter H. Raven 1952-8-27 5155 Napa Mt. Veeder Road at Lokoya Turnoff 426 Comment
  CAS-BOT-BC62880  Quercus lobata John Thomas Howell 1930-10-19 5608 Napa Pope Valley School, Pope valley Comment
  UC615360  Quercus lobata Beryl O. Schreiber 1932-4-3 201 Napa road to Calistoga Comment
  CAS-BOT-BC104979  Quercus wislizeni John Thomas Howell 1926-3-28 1764 Napa Trail to top of Mt. St. Helena Comment
  CAS-BOT-BC104980  Quercus wislizeni James L. Reveal 1987-6-7 6391 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles W of Pleasant Valley Road, about 5.5 miles W-NW of Vacaville 182 Comment
  CAS-BOT-BC104982  Quercus wislizeni Alice Eastwood 1918-5-1 6866 Napa Mt. St. Helena Comment
  CAS-BOT-BC104985  Quercus wislizeni Belle Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  CHSC59980  Quercus wislizeni Wm. C. Overton Jr. 1980-7-13 Napa Along a south bank of Eticuera Creek ca. 1-1/2 road miles north of Lake Berryessa. Location is to the west of the Berryessa-Knoxville Road (at the 20.00 mile marker) where the creek turns sharply to the NW, away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to the NE of the limits shown in Griffin and Critchfield, 1972). 176 Comment
  CLARK-A1528-2913  Quercus wislizeni John C. Roos 1939-4-16 284 Napa Angwin Comment
  UCD47509  Quercus wislizeni D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  CDA11911  Quercus wislizeni var. frutescens G. F. Hrusa, G. L. Stebbins 1994-3-11 11609 Napa North Coast Biodiversity Arena; Ink Grade approx. 2 miles N of Angwin on Howell Mtn. Comment
  UCD63165  Rafinesquia californica Jake Ruygt 1980-5-13 891 Napa Mt. St. John. 441 Comment
  POM182689  Ranunculus californicus D. D. Keck 1931-4-2 1009 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 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
  JEPS120435  Ranunculus californicus Jake Ruygt 2008-4-7 5278 Napa Tubbs Lane, west of Myrtledale Rd. Comment
  JEPS55171  Ranunculus californicus W. L. Jepson 1896-2-22 Napa near Stone Bridge; Howell Mountain grade Comment
  RSA92786  Ranunculus californicus Peter H. Raven 1950-4-5 1712 Napa Silverado Trail, outside of Napa 15 Comment
  UC9501  Ranunculus californicus Willis L. Jepson 1896-2-22 Napa Stone Bridge Hill Napa River Basin Comment
  CAS-BOT-BC378485  Ranunculus californicus var. californicus Peter H. Raven 1953-5-2 5386 Napa Hills due E of Yountville 243 Comment
  POM182737  Ranunculus hebecarpus D. D. Keck 1931-4-2 1048 Napa 4 miles S of Monticello, eastern Napa County. Comment
  UCSB2073  Ranunculus occidentalis Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Hill on west side of Capell Valley, 3.2 miles west of junction of the road with California Highway #37 213 Comment
  SEINET200318  Ranunculus occidentalis var. rattanii J. P. Tracy 1902-5-22 1631 Napa Hills at head of Moore's Creek 3-4 mi E of Angwin's Howell Mtn Northern Coast Ranges 366 Comment
  UC162832  Ranunculus orthorhynchus var. bloomeri Joseph P. Tracy 1903-5-15 1846 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UC9388  Ranunculus orthorhynchus var. bloomeri Willis L. Jepson 1893-4-26 Napa Rutherford Napa River Basin Comment
  POM149990  Ranunculus orthorhynchus var. bloomeri C. F. Baker 1903-4-19 1995 Napa Calistoga. Comment
  HSC29055  Raphanus sativus Thomas W. Nelson 1973-8-14 1109 Napa E of Napa Comment
  UC2013271  Reseda luteola David Keil with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24509 Napa Near east end of Lake Hennessy along Highway 128. Comment
  CAS-BOT-BC427557  Reseda luteola John Thomas Howell 1943-5-11 18067 Napa S. side of Mt. St. Helena Comment
  CAS-BOT-BC362893  Rhagadiolus stellatus John Thomas Howell 1980-5-15 53451 Napa Oakville Grade sw. of Oakville 152 Comment
  CDA7606  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G.A. Wilson Ranch, Dry Creek Road, 2 miles west of Yountville Comment
  UCD159528  Rhagadiolus stellatus D. S. Park 2011-4-11 277 -1 Napa Redwood Canyon. Off Redwood Rd. Comment
  OBI5246  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G.A. Wilson ranch, Dry Crk Rd, 2mi W of Yountville Comment
  SBBG50632  Rhamnus crocea J. Stroud 1964-5-8 17 Napa E of State Hwy 128, ca. 3 mi SW of Monticello Dam 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
  CAS-BOT-BC56650  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 8 Napa 0.5 miles N. of Napa/Lake Cos. Line, Butts Creek SW of Butts Canyon Rd. Comment
  RSA786871  Rhododendron occidentale Carrie A. Herd 1982-5-9 102 Napa Marker 0.571 Napa Comment
  UC1017696  Rhododendron occidentale Marion Ownbey, Ruth P. Ownbey 1938-7-9 1702 Napa 6 mi ne of Napa Comment
  UC413095  Rhododendron occidentale H. P. Chandler 1907-4-25 7537 Napa below Conn Valley (Chiles Valley Road); Chiles Valley Road Comment
  UC763158  Rhododendron occidentale R. F. Hoover 1941-4-26 4927 Napa Canyon n of Pope Valley (on road to Butts Canyon) Comment
  UCD117940  Rhododendron occidentale George F. Hrusa 1989-4-28 6001 Napa Along Chiles Valley Rd., 1.6 m. N of Junction with Hwy. 128. 245 Comment
  UCD117988  Rhododendron occidentale Andreas Stohr 1996-4-28 33 Napa Along Road 128. 270 Comment
  UCD35625  Rhododendron occidentale Beecher Crampton 1959-5-11 5204 Napa North end of Capell Valley, above Capell Creek. Comment
  RSA52661  Rhododendron occidentale var. californicum I. L. Wiggins 1949-4-30 12093 Napa On northeastern slope of Mount St. Helena, near lake county line Comment
  CAS-BOT-BC200649  Rhus aromatica H. E. McMinn 1922-6-18 197 Napa Pope Creek Canon [Canyon] Comment
  CAS-BOT-BC433100  Ribes John H. Thomas 1955-5-21 5098 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  JEPS126022  Ribes californicum var. californicum Jake Ruygt 1977-3-6 140 Napa East of Basalt Rock quarry. Mount George 7.5' Quad. Comment
  UCD167069  Ribes californicum var. californicum Jake Ruygt 2006-4-25 5003 Napa Wildlake Ranch, upper Bell Canyon. Comment
  UCD167056  Ribes malvaceum var. malvaceum Jake Ruygt 1995-4-9 3418 Napa Table Rock, The Palisades. 792 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
  CAS-BOT-BC168757  Ribes victoris Frederick V. Coville 1925-3-25 35 Napa South fork of the canyon on the Niebaum place, about a mile directly west of Rutherford. Comment
  CAS-BOT-BC168760  Ribes victoris Clarence R. Quick 1942-4-18 s.n. Napa Mouth of canyon just west of Rutherford, Napa Valley Comment
  CAS-BOT-BC168762  Ribes victoris John Thomas Howell 1940-5-19 15450 Napa Upper St. Helena Creek Comment
  POM141904  Ribes victoris W. L. Jepson 1892-05 s.n. Napa Trail to [?] Cabin. Comment
  CAS-BOT-BC363045  Rigiopappus leptocladus Glen Holstein 1977-5-11 s.n. Napa Along State Highway 128, 0.2 mile south of intersection with Berryessa-Knoxville Road, Capell Valley Comment
  HSC83455  Rigiopappus leptocladus G. Holstein 1977-5-11 Napa Edge of highway, along Hwy. 128, 0.2 mi. S of intersection with Barryessa-Knoxville Rd., Capell Valley Comment
  SD125483  Rigiopappus leptocladus Glen Holstein 1977-5-11 Napa along state Highway 128, 0.2 miles south of intersection with Berryessa-Knoxville road, Capell Valley Comment
  UCD32572  Rigiopappus leptocladus Beecher Crampton 1954-5-20 1926 Napa 8 miles southwest of Monticello, along highway 128. Comment
  JEPS53824  Rorippa W. L. Jepson 1936-5-30 17556 Napa Rutherford Napa Valley, Rutherford Comment
  CAS-BOT-BC74596  Rorippa curvisiliqua Peter H. Raven 1952-5-31 4112 Napa Conn Creek east of Yountville. 45 Comment
  JEPS106849  Rorippa nasturtium-aquaticum Jake Ruygt 1978-5-13 299 Napa Suscol hill east of HWY 29 (221) 9 Comment
  UCD167150  Rorippa palustris subsp. palustris Jake Ruygt 2015-5-6 6092 Napa East side of Highway 221, south of Suscol Creek. 30 Comment
  CAS-BOT-BC147534  Rosa californica Alice Eastwood 1915-6-5 4645 Napa Calistoga Comment
  CAS-BOT-BC147537  Rosa californica Doris K. Kildale 1928-5-8 5045 Napa 3 miles west of Napa-Solano county line Comment
  UC126649  Rosa gymnocarpa Harley P. Chandler Sep 7 1906-Sep 14 1906 7113 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC12905  Rosa gymnocarpa Willis L. Jepson 1894-4-30 Napa w Calistoga; Napa River Basin, Rebecca Ranch grade Comment
  CAS-BOT-BC156588  Rubus bifrons Peter H. Raven 1952-5-31 4108 Napa Slough of Napa Cr. e. of Yountville 30 Comment
  CAS-BOT-BC110482  Rumex Saichi Kawahara 1968-4-20 356 Napa Pope Valley-Angwin Road, 2 miles southwest of Pope Valley. 499 Comment
  JEPS120317  Rumex californicus Jake Ruygt 1990-5-12 2544 Napa Wooden Valley, north of Wooden Valley School. Capell Valley 7.5' Quad. Comment
  JEPS110752  Rumex salicifolius var. salicifolius Jake Ruygt 1996-6-3 3743 d Napa Jameson Vinyards near South Kelly Road. 103 Comment
  CDA27811  Rupertia physodes H. Stabo 1959-5-5 Napa Francher s Ranch, near Sanitarium area. 0 Comment
  UC441322  Ruppia maritima Milo S. Baker Aug 1900 Napa near S.P.R.R. over Napa River Comment
  UCD148762  Sagina decumbens subsp. occidentalis Jake Ruygt 1985-4-7 1584 Napa Napa County; Los Posados State Forest. 390 Comment
  CAS-BOT-BC108666  Salix breweri John Thomas Howell 1931-4-3 6149 Napa Butts Valley Road to Middletown, 5 miles from Aetna Springs Comment
  CAS-BOT-BC108670  Salix breweri Mrs. H. P. Bracelin 1931-5-17 253 Napa Butt Canyon, between Pope Springs and Aetna Valley 375 Comment
  RSA3282  Salix breweri D. D. Keck 1931-4-3 1075 Napa 5 miles NE of Aetna Springs, along Butts Creek. Comment
  SJSU186  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butt Canyon between Pope Springs & Aetna Valley 335 Comment
  UC517434  Salix breweri John Thomas Howell 1933-8-27 11641 Napa Sage Canyon Napa Range Comment
  UCD170811  Salix eastwoodiae 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. Along drainage leading to Maxwell Creek. 166 Comment
  UC5024  Salix laevigata Willis L. Jepson 1893-5-8 Napa beyond Angwin's Howell Mt. Comment
  UCD164803  Salix laevigata Jake Ruygt 1995-3-21 3408 Napa End of Niebaum Lane, Bear Canyon. 89 Comment
  UC482322  Salix lasiolepis C. R. Ball and Harold E. Parks 1931-2-17 18 Napa 1 mi nw Calistoga (in shallow arroyo) Comment
  UC504072  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 2 Napa 10 mi from Monticello (Rutherford to Monticello); Chiles Valley Comment
  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
  CAS-BOT-BC124416  Salix lasiolepis var. lasiolepis C. R. Quick; J. A. Vogtmann 1933-3-2 s.n. Napa Dry Creek Road, approximately 15 miles from Napa Comment
  CAS-BOT-BC129503  Salix melanopsis H. E. McMinn 1923-5-25 958 Napa Suisun Creek, between Rockville and Wooden Valley Comment
  JEPS112635  Salvia columbariae Jake Ruygt 1979-4-14 516 Napa Oat Hill Mine Rd. at Palisades 670 Comment
  UCD144655  Salvia columbariae 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. 243 Comment
  UC1301159  Salvia sonomensis Helen K. Sharsmith 1963-3-17 5226 Napa s side Mt. Atlas; San Francisco Bay Region 609 Comment
  JEPS106729  Sambucus mexicana Jake Ruygt 1989-5-27 2350 Napa Napa River about 50 yards south of Lincoln Ave., Napa 6 Comment
  UCD68004  Sambucus mexicana Bill Wengeler 1995-4-30 S.N. Napa Highway 128, 0.2 miles West of Monticello Dam, above Lake Berryessa. Found on open hillside overlooking the lake. Shrub, 10 ft. high. Flowers, cream, flat-topped inflorescence. 158 Comment
  UCD137701  Sambucus nigra subsp. caerulea M. Wiesendanger 1926-4-1 1499 Napa exact location unknown. Comment
  RSA92950  Sanguisorba minor Peter H. Raven 1951-6-26 3050 Napa E of Napa on Monticello Rd. 61 Comment
  SEINET7073054  Sanicula bipinnata A. G. Vestal 1963-4-8 s.n. Napa Weedy flat on Route 128 about 5.2 miles east of the turn off to Pope Valley Road. Coordinate datum: NAD27. Comment
  UC1197107  Sanicula bipinnatifida J. P. Tracy 1899-6-26 410 Napa 3-4 mi e of Angwin's (Howell Mountain, Head of Moore's Creek); Howell Mountain, Moore's Creek 365 Comment
  UC1022487  Sanicula crassicaulis C. Ritchie Bell 1952-3-8 3 X339 Napa about 9 mi e of Pope Valley (on the road to Monticello, along Pope Creek); Pope Creek Comment
  UCD149698  Sanicula crassicaulis Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD18054  Sanicula crassicaulis Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 607 Napa Napa County. McLaughlin Reserve. Ca. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along old road that climbs up ridge on E side, N- and NW-facing slopes. 536 Comment
  UCD48488  Sanicula crassicaulis L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 7 Napa Southwestern end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the east side of South Decker Canyon Rd. south of North Decker Canyon Rd. and north of Cut Off Rd. 152 Comment
  CDA38524  Sanicula crassicaulis T. C. Fuller 1958-5-1 3712 Napa Highway 53, 8 miles north of Calistoga. 0 Comment
  UC566847  Sanicula laciniata Herbert L. Mason 1926-3-22 Napa Petrified Forest Comment
  JEPS104495  Sanicula tuberosa Jake Ruygt 1992-4-3 2878 Napa Tuteur Ranch, end of Green Valley Rd. 451 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
  POM262887  Saxifraga californica J. C. Roos 1939-3-27 304 Napa Snell Valley Comment
  UC11762  Saxifraga californica Willis L. Jepson 1893-5-2 13478 Napa Pope Valley Grade from Calistoga; Napa River Basin, Pope Valley Grade Comment
  SEINET7072531  Scandix pecten-veneris A. G. Vestal 1963-4-8 s.n. Napa On Route 128 abut 5.2 miles east of the turn off to Pope Valley Road. Coordinate datum: NAD 27. Comment
  UC1301114  Scandix pecten-veneris Helen K. Sharsmith 1963-4-20 5354 Napa above Wooden Valley (San Francisco Bay Region, e side of Napa Range, on Monticello Rd); San Francisco Bay Region, Napa Range, Monticello Rd 243 Comment
  UCD128134  Scandix pecten-veneris R. Tofsrud Date Unknown s.n. Napa Exact location unknown. Comment
  UC683329  Scirpus acutus var. occidentalis A. A. Beetle 1940-5-5 1586 Napa one mi n of County line on road from Vallejo to Napa; n of County line 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
  JEPS121373  Scirpus microcarpus Jake Ruygt 1984-6-2 1565 Napa Conn Dam Comment
  CAS-BOT-BC240024  Scribneria bolanderi Peter H. Raven 1953-5-2 5403 Napa Rector Dam to Foss Valley 396 Comment
  CAS-BOT-BC240027  Scribneria bolanderi John Thomas Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  POM261557  Scribneria bolanderi J. T. Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  UC1158116  Scribneria bolanderi Joseph P. Tracy 1950-5-23 18674 Napa 3-4 mi e of Angwins (at head of Moore's Creek, La Jota Plateau, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  RSA0054926  Scrophularia californica Keith E. Hoffmaster 1946-3-9 1252 Napa Napa-Monticello road. Comment
  UCD20735  Scutellaria californica Ellen Dean; w/ Mark Bibbo 2002-6-17 1099 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. South Decker Canyon Rd. just S of jct with Cut Off Rd. 190 Comment
  UCD160790  Scutellaria siphocampyloides Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8670 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
  UC25836  Scutellaria tuberosa Willis L. Jepson 1893-5-9 Napa Nebaum's Dam; Napa River Basin, Nebaum's Dam Comment
  JEPS122740  Sedella pumila Jake Ruygt 2011-5-15 5790 Napa Atlas Peak Road, Mead Ranch. Quad: Yountville. Comment
  CAS-BOT-BC417003  Sedella pumila John Thomas Howell 1939-5-7 14656 Napa Napa 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-BC63835  Sedum spathulifolium John H. Thomas 1955-5-21 5126 Napa Sarco Creek drainage, near Hwy 37, about 6 mi from Napa. 274 Comment
  HSC65069  Sedum spathulifolium var. spathulifolium J. P. Smith, J. O. Sawyer 1970-5-17 3773 Napa 3 mi. S of Pope Valley Comment
  JEPS103971  Selaginella wallacei Jake Ruygt 1994-3-19 3326 Napa Top of the Palisades. 716 Comment
  UCD149720  Selaginella wallacei Stephen P. Rae; Ayzik Solomeshch 2007-3-14 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  RSA26406  Selaginella wallacei John Thomas Howell 1941-4-5 16163 Napa Franz Valley Comment
  UC1199243  Senecio aronicoides Joseph P. Tracy 1933-6-2 12459 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, La Jota Plateau, Howell Moutain); Northern Coast Ranges, Howell Mountain, La Jota Plateau, hea 518 Comment
  CDA33482  Senecio clevelandii Dale Woods, V. Popescu 2010-6-28 Napa Along Devilshead-Knoxville Road. 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
  JEPS37181  Senecio flaccidus var. douglasii W. L. Jepson 1894-10-13 Napa Conn Creek, mouth of Conn Valley Conn Valley Comment
  CAS-BOT-BC364214  Senecio sylvaticus Baker 1938-5-4 8972 Napa Levee at Cutting Wharf Comment
  JEPS17417  Senecio vulgaris W. L. Jepson 1936-5-31 17572 Napa e of St. Helena; Howell Mountain, Jota Plateau Comment
  UCD19942  Senecio vulgaris E. A. Dean; Virginia Boucher 2002-2-28 894 Napa Quail Ridge Reserve. Along West Rd., 0.7 airline miles north of junction of West Rd. and Decker Canyon Trail. 213 Comment
  CAS-BOT-BC243631  Setaria pumila Peter H. Raven 1952-8-26 5152 Napa Road NE of Buchli Station 30 Comment
  CAS-BOT-BC240239  Setaria viridis John H. Thomas 1966-5-8 11593 Napa At Louis Martini Winery, near St. Helena Comment
  UC871440  Sidalcea diploscypha M. S. Jussel 1937-5-23 Napa Mt. St. Helena Comment
  JEPS50054  Sidalcea hartwegii Willis L. Jepson 1893-5-9 14070 Napa hills w Rutherford; Napa River Basin, w of Rutherford Comment
  JEPS110724  Sidalcea hirsuta Jake Ruygt 1986-6-24 1783 Napa Butt's Canyon Rd. at Ink Grade 237 Comment
  UC1177102  Sidalcea hirsuta Peter H. Raven 1951-5-26 2869 Napa Aetna Springs to start Butts Canyon; Aetna Springs to start of Butts Canyon 243 Comment
  UCD170154  Sidalcea keckii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 784 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 429 Comment
  JEPS110723  Sidalcea malviflora subsp. laciniata Jake Ruygt 1976-4-23 13 Napa .2 miles south of Oak Knoll Ave. on Silverado Trail 19 Comment
  UC161053  Silene antirrhina Joseph P. Tracy 1902-5-16 1496 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mt., Moore's Creek 457 Comment
  JEPS50888  Silene californica W. L. Jepson 1938-5-22 18831 Napa Butts Canyon South Fork Butts Canyon, South Fork Comment
  CAS-BOT-BC388149  Silene gallica John H. Thomas 1955-5-21 5121 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  UCD170440  Silene gallica Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 912 Napa Knoxville Wildlife Area, Zim Zim Creek drainage northwest of Zim Zim Falls. 419 Comment
  JEPS126133  Silene lemmonii Jake Ruygt 2008-5-21 5346 Napa Wildlake Ranch, Rattlesnake Ridge, road to Potato Hill. Calistoga 7.5' Qua. Comment
  UCD47952  Sisymbrium officinale M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 7 Napa McLaughlin UC Reserve. SW of old town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 Comment
  CAS-BOT-BC75287  Sisymbrium officinale Betty H. Johnson 1958-6-15 640 Napa 0.25 mile above Mt. Mill House, 6.4 miles southwest of Middletown. Comment
  CAS-BOT-BC135365  Sisyrinchium L. R. Abrams 1928-5-3 12212 Napa St. Helena Grade Comment
  POM118568  Sisyrinchium bellum Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SEINET3876398  Sisyrinchium bellum J. F. Addicott 1965-3-19 6 Napa Dollarhide Road, 3.5 miles east of Pope Valley.; 0 183 Comment
  UCD138856  Sisyrinchium bellum Unknown Collector 1935-5-5 s.n. Napa Calistoga, near Petrified Forest. Comment
  UCD170211  Sisyrinchium bellum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 746 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 408 Comment
  UCR179186  Sisyrinchium bellum L. P. Thibault 1995-5-19 43 Napa Coast Range, edge of Hwy 128 c. 0.5 mi. west of intersection of Lower Chiles Valley Rd. and west of Sage Creek 250 Comment
  JEPS64270  Sisyrinchium bellum Willis L. Jepson 1893-4-25 Napa w of St. Helena (trail to Beaux's Cabin); Napa River Basin Comment
  JEPS64277  Sisyrinchium bellum Willis L. Jepson 1893-5-1 Napa near Calistoga (Franz Valley Grade, below summit); Sierra Foothills, Napa River Basin Comment
  UCD125728  Sisyrinchium bellum Eric S. Nagy 1990-4-15 001 Napa NW shore of Lake Berryessa, Berryessa Knoxville Road mile marker 16.25. Comment
  UCD23394  Sisyrinchium bellum Alana Adams 1977-4-28 10 Napa Grassy meadow, partly shaded by oaks. 14.75 miles north of Barryessa Knoxville Rd. and Highway 128 intersection on Berryessa Knoxville Rd. 243 Comment
  JEPS110918  Solanum rostratum Jake Ruygt 1984-6-30 1579 Napa Pope Valley Middle Rd. 195 Comment
  JEPS115758  Solanum rostratum Lowell Ahart 2009-10-27 16494 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  CAS-BOT-BC231733  Solanum umbelliferum Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  JEPS110917  Solanum umbelliferum Jake Ruygt 1981-4-1 963 Napa Stag's Leap 152 Comment
  JEPS32417  Solidago elongata W. L. Jepson 1894-11-8 Napa St. Helena Comment
  CAS-BOT-BC365094  Solidago velutina subsp. californica Harley P. Chandler 1906-9-7 7117 Napa Howell Mountain. Alta Loma Ranch 548 Comment
  CAS-BOT-BC365097  Solidago velutina subsp. californica Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville Comment
  UCD32416  Soliva sessilis Beecher Crampton 1950-5-7 571 Napa Napa County, on abandoned road along Napa Soda Springs Road, above Soda Creek. 228 Comment
  UCD54328  Sonchus asper Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 3 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, near steam and culvert that goes under road, 0.5 road miles from gate to old town of Knoxville. E side of Knoxville creek. 365 Comment
  UCD136154  Sonchus oleraceus H. J. Baade 1920-5-1 s.n. Napa Napa. Comment
  JEPS2865 Image available Sparganium californicum Edward Lee Greene 1883-1 Napa Calistoga Comment
  POM118625  Spergula arvensis Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS106616  Spergularia diandra Jake Ruygt 1989-7-1 2396 Napa Mt. Vaca 755 Comment
  CAS-BOT-BC390296  Spergularia macrotheca var. longistyla Peter H. Raven 1950-5-6 2000 Napa Near Calistoga Airfield, Calistoga 45 Comment
  RSA0098486  Spergularia macrotheca var. longistyla Alice Eastwood, John Thomas Howell 1938-5-15 5518 Napa Myrtledale Hot Springs. Comment
  CAS-BOT-BC390308  Spergularia macrotheca var. macrotheca John Thomas Howell 1932-10-8 10803 Napa Napa River levee at Cuttings Wharf Comment
  CAS-BOT-BC390744  Spergularia marina John Thomas Howell 1932-10-8 10809 Napa Cuttings Wharf on Napa River Comment
  UCD149592  Spergularia rubra Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  CAS-BOT-BC390566  Spergularia rubra Elsa Ruckert 1960-4-9 79 Napa 6495 Dry Creek Road. Terrace in front of house 365 Comment
  JEPS64519  Spiranthes porrifolia W. L. Jepson 1936-7-3 17632 Napa Four Corners Napa Range, Howell Mt. Comment
  JEPS63068  Stachys ajugoides var. rigida Willis L. Jepson 1893-4-24 14982 Napa hills e St. Helena (to head of Conn Valley); Napa River Basin Comment
  UCD69149  Stachys albens D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-24 s.n. Napa Aetna Springs-Middletown. Butts Canyon Road. Riparian Sargent cypress woodland on serpentine alluvial and rocky soils. 270 Comment
  UCD13127  Stachys rigida Kathleen Worden 1981-5-24 11 Napa Napa CO. Highwy 128, 2.2 miles southeast of Moskowitz Corner, Comment
  UC92343  Stephanomeria elata Brandegee 1888-8-1 Napa Howell Mt. Comment
  UC35828  Stephanomeria elata Willis L. Jepson 1893-9-23 Napa Upper Napa Valley, Napa River Basin. Comment
  CAS-BOT-BC375743  Stephanomeria virgata Peter H. Raven 1951-10-28 3950 Napa 1-3 mi. e. of Chiles [Chiles] Valley 304 Comment
  SD148000  Stephanomeria virgata subsp. pleurocarpa D. Sanchez-Mata, P. Rodriguez-Rojo 1996-10-19 Napa Knolxville-Berryessa Road; near Spanish Flat. 220 Comment
  JEPS122933  Stipa miliacea var. miliacea Jake Ruygt 1988-5-3 2173 Napa Pope Street at Napa River, St. Helena. Quad: Saint Helena. Comment
  UCD169880  Stipa pulchra Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 720 Napa Knoxville Wildlife Area. 307 Comment
  CAS-BOT-BC61250  Streptanthus breweri John Thomas Howell 1929-5-30 4273 Napa Napa Range. Near Pope Valley Creek, near Samuels Springs. Comment
  OBI14930  Streptanthus breweri Robert F. Hoover 1966-5-28 9879 Napa Just S of summit on Butts Cyn rd from Pope Valley Comment
  UCD164229  Streptanthus breweri N. Ivalu Cacho; Sharon Y. Strauss 2013-5-25 IC-SS 306 Napa Hunting Creek. 313 Comment
  UCD164233  Streptanthus breweri N. Ivalu Cacho; Sharon Y. Strauss 2013-6-6 IC-SS 311 Napa N side of junction between Hwy. 128 and Knoxville-Berryessa Road (N of Turtle Rock place). 205 Comment
  UC1492725  Streptanthus breweri var. breweri Freed W. Hoffman 1952-5-24 4166 Napa 7.8 mi w junction to Monticello Road; North Coast Ranges, Sage Canyon Comment
  JEPS106609  Streptanthus breweri var. hesperidis Jake Ruygt 1995-6-17 3505 Napa About 1/2 mile south of Snell Valley Rd on Butts Canyon Road 304 Comment
  UCD33219  Streptanthus glandulosus Beecher Crampton 1967-5-11 7919 Napa Napa County, 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  CAS-BOT-BC87151  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-3 6120 Napa Napa Range. Pope Creek Canyon, 8 miles from Monticello. Comment
  CAS-BOT-BC87160  Streptanthus glandulosus subsp. glandulosus John H. Thomas 1955-5-21 5118 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  JEPS129022  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2016-4-2 6171 -C Napa Smittle Creek NCRPOD, W of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  JEPS27088  Streptanthus glandulosus subsp. glandulosus Willis L. Jepson 1893-5-2 13412 Napa New Pope Valley Grade from Calistoga; Napa River Basin Comment
  UC1063483  Streptanthus glandulosus subsp. glandulosus B. O. Schreiber 1938-4-24 2493 Napa 5.2 mi nne Napa; Napa Quadrangle, Wooden Valley Grade 274 Comment
Read comments
Jan 14 2009
  UCD170193  Streptanthus glandulosus subsp. glandulosus Daniel Potter 2015-3-14 764 Napa Knoxville Wildlife Area, along Eticuera Creek east of Berryessa-Knoxville Road at the creek crossing just north of the Zim Zim Falls trailhead. 228 Comment
  UCSC009035  Streptanthus glandulosus subsp. glandulosus Dylan M. Neubauer 2015-4-26 137 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  UCD161644  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2005-6-1 4894 Napa Blue Ridge, about 1 mile north of Mays Flat. 396 Comment
  UCD74401  Streptanthus hesperidis Jake Ruygt 2003-6-21 4549 Napa About 0.9 mile SE of Knoxville site, west side of Berryessa-Knoxville Rd. 426 Comment
  CAS-BOT-BC87330  Streptanthus hesperidis Roger Raiche 1986-5-5 60213 Napa Near Middletown, ca. 2 miles north on state route 29. 304 Comment
  CAS-BOT-BC87393  Streptanthus morrisonii Lawrence LaPre'; Robin Bjork 1986-7-12 s.n. Napa At junction of Hunting Creek with Rare Plant Canyon. 365 Comment
  UC939443  Streptanthus morrisonii subsp. elatus Arthur R. Kruckeberg 1947-6-14 1482 Napa outcrop on low saddle 1/4 mi w White's Point (Table Mtn. rd ca 5 mi e of Mountain Mill House) Comment
  UC1224684  Swertia albicaulis var. nitida G. Ledyard Stebbins 1964-5-24 6156 Napa about 0.5 mi w Corona Mine (Calistoga Quad.) (in hills w of Aetne Springs) 670 Comment
  CAS-BOT-BC97738  Symphyotrichum chilense Doris K. Kildale 1928-5-8 5051 Napa 1/2 mile from Napa-Solano county line, on road to Vacaville Comment
  CAS-BOT-BC97740  Symphyotrichum chilense John Thomas Howell 1933-8-27 11627 Napa Sage Canyon, Napa Range Comment
  JEPS104539  Symphyotrichum spathulatum Jake Ruygt 1992-7-10 3081 Napa Yountville Ecological Reserve, Yountville Crossroad 27 Comment
  JEPS40795  Symphyotrichum spathulatum Willis L. Jepson 1893-9-24 Napa Howell Mt. Comment
  UC672248  Symphyotrichum subulatum Herbert L. Mason 1923-10-6 768 Napa Suisun Marsh, along railroad Suisun Marsh Comment
  RSA129898  Taeniatherum caput-medusae P. H. Raven 1951-5-26 2878 Napa Butts Canyon. 305 Comment
  UCD83866  Taraxia ovata Ellen Dean; Stephen Rae 2010-3-15 5824 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, upper pasture. 198 Comment
  JEPS120387  Teesdalia coronopifolia Jake Ruygt 2001-3-24 4301 Napa NE of Table Rock along PG&E road. Detert Reservoir 7.5' Quad. Comment
  JEPS110988  Thalictrum fendleri var. polycarpum Jake Ruygt 1979-6-3 670 Napa Aetna Springs Rd. 472 Comment
  UC162793  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1902-5-21 1586 Napa 3-4 mi Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 304 Comment
  UC9707  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-4-28 Napa gorge n Wooden Valley Grade; Napa River Basin Comment
  JEPS118639  Thermopsis californica var. californica B. Castro and L. P. Janeway 2002-5-12 1360 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. NE-facing slope ~ 15 ft SE of main channel through springs. Jericho Valley 7.5' quad. Comment
  UCD18087  Thermopsis californica var. californica Ellen Dean; with PLB 102 class 2000-4-22 643 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
  UCD48029  Thermopsis californica var. californica K. Watts; K. Carpenter, S. Cruz, D. Goldberg, and M. Ochoa 2000-4-28 27 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, next to Old Knoxville Rd. 426 Comment
  UCD95951  Thermopsis californica var. californica Ellen Dean; with Clare Loughran 2011-5-20 7066 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  UCSB7191  Thermopsis gracilis Keator, Glenn 1959-3-28 Napa About 1/2 mile above Conn's picnic grounds near Lake Hennessy, Napa range Comment
  JEPS126134  Thlaspi arvense Jake Ruygt 2003-4-14 4497 Napa Near confluence of Foley and Eticuera Creek. Knoxville 7.5' Qua. Comment
  JEPS106589  Thysanocarpus curvipes Jake Ruygt 1996-4-12 3606 Napa Blue Ridge, north of Monticello Dam. Rockwell Gap area 615 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
  UCD20024  Thysanocarpus curvipes C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1214 Napa 1 mile west of junction of Route 128 and Pope Valley Road. Serpentine hillside on S side of Lake Hennessy. Comment
  UCR212324  Thysanocarpus curvipes Ayzik Solomeshch, Stephen Rae 2007-3-19 s.n. Napa North Coast Range, Northwest of the town of Yountville, along Oakville Grade Road, c. 6 miles west of the intersection with Hwy 29 [onto Dry Creek Road?] Comment
  CAS-BOT-BC66487  Thysanocarpus curvipes John Thomas Howell 1931-4-4 6169 Napa Crater Country, Mount Saint Helena. Comment
  CAS-BOT-BC66510  Thysanocarpus curvipes John H. Thomas 1968-4-4 14275 Napa About 2 miles east of Rutherfor along Highway 128. Comment
  UC1083161  Thysanocarpus curvipes Herbert L. Mason 1926-3-14 2729 Napa Mt. St. Helena Comment
  UC11025  Thysanocarpus curvipes Willis L. Jepson 1893-4-25 29 d Napa hills w St. Helena (trail to Caux's Cabin, Napa River Basin); Napa River Basin Comment
  JEPS54220  Thysanocarpus radians W. L. Jepson 1900-3-10 534 Napa hills e St. Helena Comment
  CAS-BOT-BC474518  Tonella tenella G. F. Hrusa; R. Cole; D. Anderson 1995-3-26 12024 Napa Quail Ridge Reserve, N slope below field house 370 Comment
  RSA115583  Tonella tenella J. M. Tucker 1957-3-22 3287 Napa Beside Hwy 37, 0.4 mile southwest of jct with road to Monticello Dam and Winters. Comment
  UCD41326  Torilis nodosa Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 1 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, W side of Knoxville Creek, 1 road mile S of the gate to old town of Knoxville. 353 Comment
  LA5971  Torreya californica J. M. Tucker; 1954-4-22 2699 Napa Mt. St. Helena, beside Highway 29, E side of mountain, 1 mi N of summit of road Comment
  SBBG321  Torreya californica J. M. Tucker 1954-4-22 2699 Napa Hwy 29, E side of Mt St Helena, 1 mi N of summit of rd Comment
  UCD167157  Torreya californica Jake Ruygt 2015-3-10 6037 Napa Sutro Ranch, east side of Atlas Peak. 683 Comment
  CAS-BOT-BC172957  Toxicodendron diversilobum Alice Eastwood 1918-5-1 6867 Napa Mt. St. Helena Comment
  JEPS46485  Toxicodendron diversilobum W. L. Jepson Jan. 1898 Napa St. Helena Comment
  JEPS63925  Toxicodendron diversilobum W. L. Jepson 1915-4-23 6237 Napa hills east St. Helena Comment
  UCD135903  Toxicodendron diversilobum D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  UCD162096  Toxicoscordion fremontii Dylan O. Burge 2014-3-15 1494 Napa Mount Saint Helena. 760 Comment
  UCD55060  Toxicoscordion fremontii E. A. Dean; Virginia Boucher 2002-2-28 907 Napa Quail Ridge Reserve. Along lower trail leading from West Road toward powerlines at tip of ridge, very close to junction with West Road. 304 Comment
  UCD147533  Toxicoscordion micranthum Ellen Dean; Diana Hickson 2014-4-29 8087 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  JEPS112639  Trichostema laxum Jake Ruygt 1979-6-9 687 Napa 23.7 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 609 Comment
  JEPS63145  Trichostema laxum W. L. Jepson 1930-10-19 15692 Napa 3 1/2 mi N of Aetna Springs (Butts Canyon) Comment
  UCD63859  Trichostema laxum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  RSA695735  Trichostema laxum D. W. Taylor 1994-10-7 14711 Napa Butts Canyon Road 1`.2 mi S junction Snell Valley Road. 305 Comment
  UCD166643  Trichostema laxum Jake Ruygt 1991-6-29 2755 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville Road 121 Comment
  JEPS120350  Trichostema ruygtii Jake Ruygt 2004-7-25 4633 Napa Atlas Peak Road, 7.1 miles north of Monticello Road. Capell Valley 7.5' Quad. Comment
  RSA731087  Trichostema ruygtii Jake Ruygt 2004-8-7 4640 Napa Green Valley Ranch near Solano County line. 317 Comment
  UC1925874  Trifolium Ethel Crum 1931-1 1054 Napa Pope Valley Comment
  UC16498  Trifolium albopurpureum var. dichotomum Edw. L. Greene Apr. 1892 Napa W. St. Helena Comment
  UC85329  Trifolium amoenum Michener and Bioletti May 1891 Napa Napa Junction Comment
  UCD170669  Trifolium bifidum var. bifidum 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 160 Comment
  CHSC83410  Trifolium bifidum var. decipiens L. P. Janeway; B. Castro 2002-5-12 7535 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  JEPS106802  Trifolium depauperatum var. depauperatum Jake Ruygt 1995-4-8 3414 Napa Silverado Trail at Souza Lane, Napa. 12 Comment
  UCD38372  Trifolium depauperatum var. truncatum Beecher Crampton 1955-4-4 2390 Napa 2 miles north of Calistoga. Comment
  RSA653959  Trifolium dichotomum Beecher Crampton 1967-5-11 7918 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  JEPS106807  Trifolium fucatum Jake Ruygt 1985-4-27 1587 Napa Spanish Valley 219 Comment
  JEPS106808  Trifolium fucatum Jake Ruygt 1993-4-12 3200 Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  UC1130025  Trifolium fucatum B. Schreiber 1936-3-5 2209 Napa 0.3 mi wsw Petrified Forest; Calistoga quad 274 Comment
Read comments
Jun 12 2012
  UCD141586  Trifolium fucatum Ellen Dean 2013-4-27 7707 Napa Las Posadas State Experimental Forest. Recreation Flat. 396 Comment
  UCD83724  Trifolium incarnatum Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 3 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 188 Comment
  UC74979  Trifolium microcephalum C. F. Baker 1903-4-19 1994 Napa Calistoga Comment
  UCD48986  Trifolium microcephalum Kook-Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 8 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft.) 'as the crow flies' NW of jct with South Decker Canyon Rd; downslope of West Rd. ca. 20 m. 242 Comment
  UCD83421  Trifolium obtusiflorum Jake Ruygt 1988-5-1 2163 b Napa Swartz Creek near Aetna Springs. 217 Comment
  POM21431  Trifolium olivaceum var. olivaceum A. A. Heller, H. E. Brown, A. H. Heller 1902-4-25 7409 Napa Near Napa Comment
  NY50564  Trifolium petrophilum C. F. Baker 1903-4-20 2625 Napa Mt. St. Helena Comment
  JEPS106717  Trifolium tomentosum Jake Ruygt 1979-4-11 501 Napa .2 mile west of Suscol Ave. on Imola Ave 6 Comment
  JEPS106718  Trifolium variegatum Jake Ruygt 1978-4-9 273 b Napa 2.2 miles NW of Dealy Lane on Henry Rd. 97 Comment
  UC160935  Trifolium variegatum Joseph P. Tracy 1902-5-17 1525 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mtn 457 Comment
  UCD83433  Trifolium variegatum Jake Ruygt 2002-5-25 4427 Napa Devil's Canyon, Archer Taylor Preserve. 536 Comment
  JEPS106686  Trifolium variegatum var. pauciflorum Jake Ruygt 1991-5-11 2667 Napa intersection Aetna Extension Rd. with Oat Hill Mine Rd. 670 Comment
  UC16765  Trifolium variegatum var. variegatum Willis L. Jepson 1894-5-1 Napa Conn Valley Comment
  UC867037  Trifolium variegatum var. variegatum Alice Eastwood 1915-6-5 4638 Napa Calistoga Comment
  CHSC79317  Trifolium willdenovii Beecher Crampton 1970-4-15 8561 Napa East slope of Wragg Canyon. Comment
  HSC2110  Trifolium willdenovii C. B. Wolf 1928-5-3 1785 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  JEPS4171  Trifolium willdenovii W. L. Jepson 1936-7-2 17645 Napa Angwin Napa Range, Howell Mtn Comment
  UCD118102  Trifolium willdenovii Megan Mateo; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCD49028  Trifolium willdenovii A. Collier; D. Caterson and S. Kenady 2002-5-4 4 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of East and West roads, near stock pond, on the SW side of pond. 320 Comment
  UCD49034  Trifolium willdenovii A. Van Houtte; E. Leger and C. Hohn 2001-4-14 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, on W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope from ruined cabins. 152 Comment
  UCD109875  Trifolium willdenovii Helen K. Sharsmith 1963-3-17 5230 Napa Along Silverado Trail. 76 Comment
  UCD109891  Trifolium willdenovii R. Tofsrud 1951-5-20 s.n. Napa Yontville cemetery. Comment
  JEPS113977  Trillium albidum Jake Ruygt 2003-4-5 4489 Napa Mount George, Foote Preserve, Sarco Creek. Mount George 7.5' Quad. Comment
  JEPS47270  Trillium albidum W. L. Jepson 1910-3-28 4024 Napa sw of Calistoga (Rebecca Ranch grade); Rebecca Ranch grade Comment
  UC504873  Trillium albidum R. M. Holman 1933-4-12 Napa near Mt. Veeder Mt. Veeder Comment
  UC429263  Trillium albidum unknown Apr. 1897 554 S Napa woods near Napa City Napa City 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
  CAS-BOT-BC521017  Trillium chloropetalum var. giganteum Clara Hunt 1921-4-1 s. n. Napa St. Helena Comment
  UCD139913  Trillium ovatum R. H. Miller 1949-4-6 18 Napa beside Highway 12, about 7 miles southeast of Monte Rio. Comment
  JEPS110673  Triphysaria eriantha Jake Ruygt 1979-4-6 479 Napa .3 mile east of Butts Canyon Rd. on Snell Valley Rd. 188 Comment
  UCD123379  Triphysaria eriantha D. C. Finfrock 1950-4-6 22 Napa 14 miles from Monticello and 3 miles from Pope Valley. Comment
  SEINET5738473 Image available Triphysaria eriantha subsp. eriantha Stan Logan 1965-1 8 Napa Dollarhide Road, ca. 3 miles east of Pope Valley.; Pope Valley Comment
  UC194178  Triphysaria eriantha subsp. eriantha C. F. Sonne April 1896 Napa near Napa Junction; near Napa Junction Comment
  UCD16044  Triphysaria eriantha subsp. eriantha R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 29 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. East of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown, clay, moist soil, flat land near stream, sunny. Herb, 2-2.5 dm tall, flower yellow. Comment
  JEPS110674  Triphysaria pusilla Jake Ruygt 1981-4-27 1006 Napa Milton Rd. west of yacht club 0 Comment
  UC673458  Triphysaria pusilla A. E. Borell 1928-4-13 131 Napa ten mi se Petaluma Comment
  JEPS10434  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1922-4-21 9624 Napa Napa Jct 22 Comment
  JEPS11167  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1915-4-23 6258 Napa Conn Valley Comment
  UC75149  Triphysaria versicolor subsp. faucibarbata C. F. Baker 1900-4-19 2632 Napa Calistoga Comment
  UCD123419  Triphysaria versicolor subsp. faucibarbata G. F. Hrusa 1995-4-2 12047 Napa southeast corner of Chiles-Pope Valley Road, and Hwy 128 heading up Salt Canyon, upper end of Hennessey Res. 200 Comment
  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
  UCD160785  Triteleia hyacinthina Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8665 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 493 Comment
  RSA195341  Triteleia hyacinthina Gilbert Muth 1967-5-19 698 Napa Milliken Dam. 335 Comment
  SEINET198873  Triteleia laxa R. L. Ferral 1954-5-30 12 Napa 5 feet off road on west side ca. 3 miles south of Capell Valley road junction on Montcello-Napa road 244 Comment
  SEINET3889059  Triteleia laxa R. Blenkush, S. Hee; C. McWhorter; J. Moeller 2000-4-22 18 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road.; 0 411 Comment
  UCD139378  Triteleia laxa J. Buck 1996-6-2 26 Napa along Highway 128 at intersection of Berryessa Knoxville Road. 48 Comment
  UCD48276  Triteleia laxa D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa, and K. Watts 2000-4-28 9 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., top of hill, ca. 50 ft from lookout tower. 548 Comment
  UCD48792  Triteleia laxa A. Collier; D. Caterson and S. Kenady 2002-5-4 15 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Along upper road leading to power lines, both N and S of road. 335 Comment
  CAS-BOT-BC526510  Triteleia laxa Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC526512  Triteleia laxa M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UC422833  Triteleia laxa H. P. Chandler 1907-5-8 7564 Napa White Sulphur Spr. St. Helena Comment
  UCD16047  Triteleia laxa C. L. Hallock; C. Kennedy, L Condon, N. Strahan, R. Flannery 2000-4-22 13 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 from bulb, 2-6 dm tall, flowers lavendar. Comment
  JEPS110925  Triteleia lugens Jake Ruygt 1998-5-18 3975 Napa north of Mt. Vaca 822 Comment
  JEPS118640  Triteleia peduncularis B. Castro and L. P. Janeway 2002-5-12 1357 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. Jericho Valley 7.5' quad. Comment
  UCD148740  Triteleia peduncularis Jake Ruygt 1980-6-7 925 Napa Napa County; 2.5 miles south of Berryessa Knoxville Rd. on Devilhead Rd. 432 Comment
  CAS-BOT-BC527964  Triteleia peduncularis Cornelia S. Masters 1915-6-15 s. n. Napa Unspecified Comment
  UC421850  Triteleia peduncularis Katharine Brandegee Napa Butts Canyon Comment
  UCD161236  Turritis glabra Jake Ruygt 1992-4-2 2873 Napa Napa County : Wild Horse Valley Ranch, Johnson's Meadow. (Coordinates estimated by label maker at UC Davis). 481 Comment
  CAS-BOT-BC91201  Umbellularia californica John Thomas Howell 1933-8-27 11623 Napa Sage Canyon, Napa Range. Comment
  RSA187424  Umbellularia californica John H. Thomas 1966-3-22 11530 Napa R. L. Stevenson State Park on the eastern slopes of Mt. St. Helena along highway 29 between Middletown and Calistoga. 762 Comment
  UCD38864  Umbellularia californica Beecher Crampton 1962-10-9 6705 Napa 5 miles north Conn. Reservoir. (Lake Hennessey) Lower Chiles Valley Road. Comment
  UCD49172  Umbellularia californica Kook-Hyun Chung; C. Ineich, J. Deusterman, and M. Hauselt 2001-4-28 24 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, along South Decker Canyon Rd. between Cut-Off Rd. and Decker Ridge Rd., 1 m S of road. 256 Comment
  JEPS106872  Uropappus lindleyi Jake Ruygt 1979-5-16 602 Napa 5.8 miles east of Monticello Rd. on HWY 128 304 Comment
  CAS-BOT-BC381969  Uropappus lindleyi Belle Richardson Jackson 1938-5-29 s.n. Napa Road to Mt. Atlas, Napa Valley 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
  UC9794  Vancouveria planipetala Willis L. Jepson 1894-5-1 Napa near Calistoga; Napa River Basin, near Calistoga Comment
  JEPS11172  Verbascum blattaria W. L. Jepson 1936-6-2 17607 Napa near bridge on road to Sanitarium St. Helena (banks of Napa River); banks of Napa River Comment
  JEPS11184  Verbascum blattaria W. L. Jepson 1930-10-19 15681 Napa stream bed of Conn Creek at Sage Canyon mouth; , streambed of Conn Creek Comment
  CHSC102275  Veronica catenata Lowell Ahart 2009-10-12 16452 Napa Below the high water line of Lake Berryessa, along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS115752  Veronica catenata Lowell Ahart 2009-10-12 16452 Napa Below the high water line of Lake Berryessa, along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Wint 133 Comment
  UCD21502  Veronica peregrina subsp. xalapensis Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4404 Napa Quail Ridge Reserve. 262 Comment
  UCD49289  Veronica persica Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 10 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., near stream, E side of Road, just N of jct with Cut-Off Rd., near dilapidated buildings, about 75 ft. S of screen shed. 152 Comment
  UCD49291  Veronica persica L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 11 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  JEPS66212  Vicia sativa subsp. nigra W. L. Jepson 1938-5-15 18783 Napa Comment
  UC1300883  Vicia sativa subsp. nigra Helen K. Sharsmith 1963-4-20 5343 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD48237  Viola douglasii A. Ryan; S. Burgess, A. Hufton, J. Pierner, and B. Takahashi 2000-4-29 19 Napa McLaughlin Reserve, Southwest side of Hunting Creek, on east-facing slope of 'Research Hill'. 655 Comment
  CAS-BOT-BC537074  Viola lobata Ira L. Wiggins 1949-4-30 12086 Napa East flank of Mount St. Helena 914 Comment
  JEPS50309  Viola lobata subsp. integrifolia W. L. Jepson 1900-3-10 513 a Napa Howell Mountain Comment
  UCD118128  Viola lobata subsp. integrifolia Linnea Neuhaus; Plant Biology 102 Collectors 2012-4-29 1 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCD95688  Viola lobata subsp. integrifolia Ellen Dean; with Clare Loughran 2011-5-20 7033 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  UCD148793  Viola purpurea Ellen Dean; Diana Hickson 2014-4-29 8101 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  JEPS50341  Viola purpurea subsp. quercetorum W. L. Jepson 1893-4-25 14113 Napa Caux's Cabin which is the high point w of St. Helana in the Hoods Peak Range Comment
  SEINET215126 Image available Viola quercetorum C. D. Spencer 1972-4-30 29 Napa Trancas Avenue 10.2 mi from the Napa US Post Office Napa 610 Comment
  CAS-BOT-BC203089  Vitis californica Elsie M. Zeile 1924-8-4 s.n. Napa Pope Valley Comment
  UC634819  Vitis californica H. L. Mason 1928-10-21 5010 Napa valley n Calistoga Comment
  UCD83858  Vulpia bromoides Ellen Dean; Stephen Rae 2010-3-15 5816 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property. Near entrance to property. 145 Comment
  POM259286  Vulpia eastwoodiae J. T. Howell 1939-4-30 14624 Napa Walter Springs. Comment
  UCD93660  Vulpia microstachys Beecher Crampton 1958-4-29 4755 Napa above Capell Creek. North end of Capell Valley. Comment
  UCD93663  Vulpia microstachys Beecher Crampton 1959-5-26 5263 Napa above Capell Creek, north end of Capell Valley. Comment
  SD58502  Vulpia microstachys Joseph P. Tracy 1938-6-5 15822 Napa Las Posadas State Forest, hills at head of Moore's Creek, 3-4 miles east of Angwin's 366 Comment
  CDA10883  Vulpia microstachys var. ciliata G. F. Hrusa, M. Rejmanek 1993-5-15 10978 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD93820  Vulpia microstachys var. ciliata Beecher Crampton 1962-5-16 6434 Napa 0.5 mile W of Aetna Springs. Comment
  SEINET11695842  Vulpia microstachys var. ciliata Unknown 1957-4-22 3943 Napa N of Capell Valle, Highway 128, along Capell Creek Comment
  POM263251  Vulpia microstachys var. confusa J. C. Roos 1939-4-18 251 Napa 3.5 miles north of Pacific Union College, Angwin. Comment
  RSA170269  Vulpia microstachys var. confusa Joseph P. Tracy 1938-6-5 15822 Napa At head of Moore's Creek, 3-4 miles east of Angwin's; Howell Mountain, Las Posadas State Forest. 366 Comment
  SACT002520  Vulpia microstachys var. confusa John Willoughby 1977-4-27 Napa Along State Highway 128 near Monticello Dam north-facing, rocky slope on south side of highway. Comment
  UC1159803  Vulpia microstachys var. confusa Annetta Carter with J. P. Tracy and R. Bacigalupi 1950-5-23 2780 a Napa 3 to 4 mi e Angwin (headwaters of Moore Creek, Howell Mountain); North Coast Ranges, Las Posadas State Forest 365 Comment
  JEPS69257  Vulpia microstachys var. pauciflora Willis L. Jepson 1893-4-24 Napa hills e St. Helena (to Conn Valley Road); Napa River Basin Comment
  POM203712  Vulpia microstachys var. pauciflora M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UC1110553  Vulpia microstachys var. pauciflora Annetta Carter with J. P. Tracy and R. Bacigalupi 1950-5-23 2779 Napa 3 to 4 mi e Angwin (headwaters of Moore Creek, Howell Mt); North Coast Ranges, Las Posadas State Park, Howell Mt. 365 Comment
  UCD36596  Vulpia microstachys var. pauciflora Beecher Crampton 1955-5-9 2753 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD94447  Vulpia microstachys var. pauciflora Annetta Carter; J. P. Tracy, R. Bacigalupi 1950-5-23 2780 b Napa headwaters of Moore Creek (3 - 4 miles east of Angwin), Las Posadas State Forest, Howell Mountain. 365 Comment
  CAS-BOT-BC185698  Vulpia myuros subsp. megalura Peter H. Raven 1950-4-15 1701 Napa Napa 9 Comment
  UCD73386  Vulpia octoflora 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-BC77871  Woodwardia fimbriata Peter H. Raven 1964-5-9 19073 Napa 2 miles west of Aetna Springs Comment
  CAS-BOT-BC383019  Wyethia angustifolia Marcus E. Jones 1924-4-24 s.n. Napa Napa Comment
  CAS-BOT-BC383021  Wyethia angustifolia M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  HSC45352  Wyethia angustifolia R. York 1978-4-8 108 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UCD118639  Wyethia glabra Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, main valley of Recreation Flat. 392 Comment
  SEINET5712488  Wyethia glabra Carol Moore 1974-1 19 Napa Wallace Hardin Ranch, 3 miles NE of Pope Valley.; Pope Valley Comment
  UCSB9981  Wyethia helenioides Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway #37 304 Comment
  JEPS32009  Wyethia helenioides W. L. Jepson 1924-5-8 10415 Napa along Pope Creek Pope Creek Comment
  CDA29798  Xanthium strumarium M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 217 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
  CAS-BOT-BC383739  Xanthium strumarium R. E. Frenkel 1963-10-27 301 Napa In the vinyard north of Oakville Cross Road Comment
  UCD128205  Yabea microcarpa H. S. Reed 1939-4-16 235 Napa Napa Hills. Comment
  OBI14123  Zeltnera muehlenbergii Robert F. Hoover 1966-8-23 9936 Napa Butts Cyn, near Lake co. line Comment
  UCD164752  Zeltnera trichantha Jake Ruygt 2014-6-7 5970 Napa Livermore Ranch, Montesol 663 Comment
  UCD167105  Zeltnera trichantha Jake Ruygt 2015-6-13 6126 Napa Missimer - Snell Valley Preserve. 176 Comment
  HSC41169  Zigadenus fremontii Robert M. Specht 1976-5-15 459 Napa 0.3 mi. S of Napa-Lake Counties border on Hwy. 29 at Rattlesnake Spring Comment
  SEINET215153  Zigadenus fremontii David C. Fruchtenicht 1965-3-19 6 Napa Dollarhide Road, 3.5 miles east of Pope Valley. 305 Comment
  SEINET3889553  Zigadenus fremontii Daphne K. Christopher, Hannah I. Stevens; Mark Bibbo 2003-4-13 163 Napa Uc Davis, Stebbins Cold Canyon Reserve.; 0 160 Comment
  CDA13215  Zigadenus micranthus G. F. Hrusa, J. M. Tucker, G. L. Webster, M. Rejmanek 1996-5-4 12916 Napa North Coast Biodiversity Arena; Monte Sol Ranch near summit of the Palisades. Near confluence of canyons leading to Bear Valley and Cub Valley. Comment
  CAS-BOT-BC527197  Zigadenus micranthus Bell Richardson Jackson 1938-5-29 s.n. Napa Road to Mt. Atlas Comment



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