Search Results — 2000 specimen records retrieved (1479 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
  JEPS110653  Acaena pinnatifida var. californica Jake Ruygt 1982-5-8 1235 Napa canyon north of American Canyon 286 Comment
  SEINET3477393  Acer macrophyllum Unknown 1965-8-23 7492 Napa Moskowite Corners, Moskowite Corners, 2.5 miles east, state highway 128 Comment
  UC650407  Acer macrophyllum Ira L. Wiggins 1928-3-25 2886 Napa 1 1/2 mi ne Calistoga; roadside 1 1/2 mi ne Calistoga Comment
  UC1071659  Acer negundo var. arizonicum A. Lewis May 1932 113 Napa Wragg Canyon Napa Quad., Wragg Canyon 182 Comment
  UCD118600  Achillea millefolium William Goss; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  JEPS19485  Achillea millefolium Peter H. Raven 1957-8-27 8761 Napa in salt marshes Cuttings Wharf Comment
  CAS-BOT-BC211901  Achnatherum coronatum G. L. Stebbins 1966-5-28 6426 Napa Markley Canyon, along State Highway 128, 3.5 miles west of Berryessa Dam 152 Comment
  CAS-BOT-BC218684  Achnatherum lemmonii F. H. Utech; W. Knight; I. Knight; S. Edwards 1986-5-19 86 -300 Napa Robert Lewis Stevenson State Park Trail to the pallisades, trailhead on CA Hwy 29 near St. Helena Creek, S. Edwards SWE 85.101 750 Comment
  JEPS29586  Achyrachaena mollis Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8443 Napa 4.8 mi n along Atlas Peak Road Vichy Springs (junct of Calif 37 with Atlas Peak Road); Milliken Reservoir (due west and above) 335 Comment
  UCD18081  Achyrachaena mollis Ellen Dean; with PLB 102 class 2000-4-22 636 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
  UCD18178  Achyrachaena mollis Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  CAS-BOT-BC29756  Achyrachaena mollis David D. Keck 1931-4-3 1058 Napa 7 miles NW of monticello (1 mile above the mouth of Pope Creek) Comment
  UCD128388  Achyrachaena mollis H. E. Cott 1949-5-8 A 111 Napa State Highway 37, ca. 10 miles south of junction with State Highway 128. Comment
  UCD16032  Achyrachaena mollis L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 10 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. West of road. 38 deg. 49' 38.7'' N, 122 deg. 20' 22.4'' W; 396 m. Comment
  JEPS129159  Acmispon brachycarpus Jake Ruygt 2015-3-28 6053 Napa Snell Peak, Fernandez, Land Trust. Aetna Springs 7.5' Quad. Comment
  UCD148816  Acmispon brachycarpus Ellen Dean; Diana Hickson 2014-4-29 8122 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  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
  UCD95900  Acmispon parviflorus Ellen Dean; with Clare Loughran 2011-5-20 7044 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  UCD148810  Acmispon wrangelianus Ellen Dean; Diana Hickson 2014-4-29 8117 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS104509  Adenocaulon bicolor Jake Ruygt 1979-6-1 641 Napa .7 miles west of HWY 29 on Diamond Mtn Road 146 Comment
  CDA10859  Adenostoma fasciculatum G. F. Hrusa, M. Rejmanek 1993-5-15 10954 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC12016  Adenostoma fasciculatum Edw. L. Greene 1891-7-10 Napa St. Helena Comment
  UCR246507  Adenostoma fasciculatum Richard C. Schulhof 1984-5-5 014 Napa 7.6 mi north of Pleasant Valley Road on Mix Canyon Road 762 Comment
  SBBG14316  Adenostoma fasciculatum var. fasciculatum L. B. Hendrix 1962-5-5 42 Napa S end of Lake Berryessa Comment
  UCD48304  Adiantum jordanii K. Mogel; B. Pekin and M. Higley 2002-5-4 2 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 600 ft along the lower road that leads to the power lines; immediately downslope of road. 320 Comment
  SEINET11687432  Aegilops triuncialis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -317 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  RSA491724  Aesculus californica James L. Reveal 1987-6-7 6394 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road, about 5.5 miles west-northwest of Vacaville. 183 Comment
  RSA60347  Aesculus californica G. R. Campbell 1948-6-18 660 Napa 10 miles south of Montecello. Comment
  SD33877  Aesculus californica Marion Ownbey, Ruth P. Ownbey 1938-7-9 1701 Napa 6.0 miles northeast of Napa. Comment
  CDA9939  Agoseris grandiflora T. C. Fuller 1958-6-4 Napa 2 1/2 miles north of Calistoga. 0 Comment
  SBBG7511  Agoseris grandiflora H. and M. Dearing 1939-5-2 3829 Napa near Napa Comment
  CAS-BOT-BC29638  Agoseris grandiflora var. grandiflora Will Fottrell 1906-7-1 s.n. Napa Napa Comment
  CAS-BOT-BC22752  Agoseris heterophylla Alice Eastwood 1915-6-5 4637 Napa Calistoga Comment
  JEPS23679  Agoseris heterophylla var. heterophylla Willis L. Jepson 1893-1 Napa Napa River Basin; Napa River Basin, Upper Napa Valley Comment
  UC635556  Agoseris hirsuta Herbert L. Mason 1926-3-20 2748 Napa marshes s of, along railroad right of way Calistoga Comment
  CAS-BOT-BC127140  Agrostis exarata Peter H. Raven 1952-5-31 4117 Napa 2.5 miles east of Yountville. 60 Comment
  OBI22552  Agrostis exarata Robert F. Hoover 1966-8-23 9932 Napa Butts Cyn near Lake Co. line Comment
  UC1153788  Agrostis exarata Beecher Crampton 1957-6-4 4105 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UCD52141  Agrostis exarata Beecher Crampton 1958-11-6 5136 Napa above Capell Creek, north end of Capell Valley. Comment
  UCD52231  Agrostis exarata Beecher Crampton 1960-5-17 5536 Napa south slopes of Conn Reservoir, 4 miles east of Rutherford. Comment
  CAS-BOT-BC139671  Agrostis gigantea John Thomas Howell 1943-6-20 18241 Napa Hills southwest of Saint Helena. Comment
  UCD164740  Agrostis gigantea Jake Ruygt 2014-7-7 6021 Napa Pope Creek. Pope Canyon. 188 Comment
  UCD36932  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD164821  Agrostis microphylla Jake Ruygt 2012-6-30 5868 Napa Crystal Flats, west of Putah Creek. 195 Comment
  JEPS71140  Agrostis pallens W. L. Jepson 1936-7-3 17637 Napa Four Corners Napa Range, Howell Mt. Comment
  POM126110  Agrostis pallens Joseph P. Tracy 1904-5-23 2093 Napa Hills east of Calistoga 244 Comment
  UCD48200  Ailanthus altissima S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson,A. Houser, S. Wathen 2000-4-22 25 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCD120873  Aira caryophyllea Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7337 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. North side of road. 519 Comment
  UC1198196  Allium amplectens Joseph P. Tracy 1933-6-2 12473 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 396 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
  HSC2942  Allium falcifolium Greg Bos 1963-3-24 47 Napa NW end of Lake Berryessa, at Putah Creek 457 Comment
  HSC42404  Allium falcifolium Dale McNeal 1977-5-18 2033 Napa Small rd. cut on Hwy. 128, 0.2 mi. SE of the junction of Lower Chiles Valley Rd. Comment
  JEPS110938  Allium falcifolium Jake Ruygt 1979-4-23 544 Napa 2.3 miles east of Silverado Trail on HWY 128 106 Comment
  RSA3283  Allium falcifolium David D. Keck 1931-4-3 1071 Napa Near Walter Springs, Pope Creek Canyon, 5 1/2 miles east of Pope Valley. Comment
  SBBG842  Allium falcifolium H. and M. Dearing 1939-5-3 3264 Napa Rutherford - Pope Valley Rd Comment
  SJSU1352  Allium falcifolium J. W. Tilden 1953-5-24 1041 Napa NE slope Mt St Helena 457 Comment
  CAS-BOT-BC469021  Allium falcifolium Clara A. Hunt 1923-1-1 s.n. Napa Mts. near St. Helena Comment
  CAS-BOT-BC469022  Allium falcifolium R. C. Barneby 1954-4-30 11336 Napa Conn Valley, near the slipway. Comment
  CAS-BOT-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
  SEINET8122132  Allium falcifolium M. J. Williams 1967-5-7 s.n. Napa Butts Canyon. 244 Comment
  UCD161515  Allium falcifolium Jake Ruygt 1990-4-8 2472 Napa White Creek, Wild Horse Valley Ranch. 408 Comment
  SEINET195017  Allium fimbriatum A. A. Heller 1941-5-3 16127 Napa Near summit of first ridge W of Knoxville Comment
  JEPS110936  Allium lacunosum var. lacunosum Jake Ruygt 1999-5-17 4160 Napa Wild Horse Valley Ranch, near Leoma Lakes 429 Comment
  JEPS122681  Allium peninsulare var. franciscanum Jake Ruygt 2006-5-15 5020 Napa Near Montini, Open Space N of Sonoma. Quad: Sonoma. Comment
  UCD148577  Allium serra Jake Ruygt 2005-5-9 4821 Napa Napa County; Knoxville Wildlife Area, west side of Berryessa Knoxville Rd. 420 Comment
  UCD48257  Allium serra Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 3 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  UCD138640  Allium serra J. M. Tucker 1977-4-24 4391 Napa up jeep track ca. 1/3 mile west of road, Berryessa-Knoxville Road, 15.9 miles (by road) north of junction with Pope Canyon Road (2 miles southeast of Knoxville Mine). 365 Comment
  CHSC59622  Allium serratum J. M. Tucker 1997-4-24 4391 Napa Ca. 1/3 mile west of road, Berryessa-Knoxville Road, 15.9 miles (by road) north of junction with Pope Canyon Road (2 miles southeast of Knoxville Mine). 365 Comment
  UCD21722  Allium unifolium Robin McMaster 1972-4-25 82 Napa Pope Valley. Comment
Read comments
Dec 18 2011
  JEPS120324  Allophyllum divaricatum Jake Ruygt 1989-4-22 2271 a Napa East of Highway 121 on Highway 128. Capell Valley 7.5' Quad. Comment
  UCD167207  Allophyllum divaricatum Jake Ruygt 1998-6-20 4045 Napa On Palisades trail from RLSSP, east of Table Rock. 701 Comment
  JEPS101646  Allophyllum gilioides subsp. violaceum Dean W. Taylor 1998-6-23 16700 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  HSC44005  Allophyllum glutinosum Robert M. Specht 1977-4-19 694 Napa Above drainage running NE from Adams Creek. 518 Comment
  POM262798  Allotropa virgata J. C. Roos 1939-5-7 298 Napa Ink Grade near Angwin, Napa Range. Comment
  CAS-BOT-BC170677  Alnus rhombifolia Peter H. Raven 1964-5-9 19053 Napa along dirt road 2 miles W of Aetna Springs Comment
  CAS-BOT-BC170678  Alnus rhombifolia Herman Knoche 1919-11-22 3068 Napa Laguna Resort. Napa Comment
  CAS-BOT-BC137957  Alopecurus saccatus Peter H. Raven 1952-5-29 4081 Napa Napa River 1 mile north Napa. 60 Comment
  CAS-BOT-BC137958  Alopecurus saccatus Peter H. Raven 1953-5-2 5365 Napa Valley floor east of Yountville. 76 Comment
  CHSC102537  Amaranthus albus Lowell Ahart 2009-10-27 16473 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  UCD161575  Amaranthus powellii Jake Ruygt 2006-9-5 5096 Napa Rector Creek about 4/10 mile east of Conn Creek. 41 Comment
  CHSC102520  Amaranthus retroflexus Lowell Ahart 2009-10-12 16471 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
  JEPS54322  Amaranthus retroflexus W. L. Jepson 1894-11-5 Napa St. Helena Comment
  UCD148571  Amaranthus retroflexus Jake Ruygt 1986-7-12 1877 Napa Napa County; Napa River west of Junior College. 3 Comment
  UCR146183  Amelanchier utahensis Beecher Crampton 1966-5-10 7716 Napa Inner North Coast Ranges, 9 miles east of Rutherford on State Hwy 128 183 Comment
  CDA34246  Ammannia robusta L. Ahart 2009-10-27 16489 Napa About 50 yards southeast of Eticuera Creek, and about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road. Approximately, 20 miles (air) northwest of Winters. Comment
  UCD167279  Ammannia robusta Jake Ruygt 2006-9-5 5097 Napa Conn Creek northwest of confluence with Rector Creek. 30 Comment
  JEPS16027  Ammi majus Willis L. Jepson 1893-4 14205 Napa near Yountville; Napa Valley, Napa R. Basin Comment
  UCD127163  Ammi majus R. Tofsrud; J. M. Tucker 1948-7-14 s.n. Napa Cox Ranch on Highway 29 between Napa and Yountville Comment
  JEPS107261  Amorpha californica var. napensis Jake Ruygt 1976-5-18 91 Napa 5.2 miles west of Madronna St. on Spring Mountain Rd. 615 Comment
Read comments
Aug 15 2010
  POM125422  Amorpha californica var. napensis Alice Eastwood 1923-5-9 11743 Napa Calistoga Comment
  POM262978  Amorpha californica var. napensis J. C. Roos 1939-4-29 289 Napa Angwin, Howell Mountain Comment
  UCD95911  Amorpha californica var. napensis Ellen Dean; with Clare Loughran 2011-5-20 7050 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. At road intersection on western side of property. 608 Comment
  CHSC25143  Amsinckia intermedia J. E. Beitler 1970-4-12 18 Napa St. Helena. Located ca. 20 yds. N.E. of conversion dam and 15 yds. W. of Spring Mountain Mountain Road. Comment
  UC1084556  Amsinckia intermedia Peter M. Ray 1952-5-25 2292 Napa 3 mi s Pope Valley (bridge over Sage Creek, e of junction with Pope Valley-Rutherford (via Conn Dam) road on road to Monticello) Comment
  UCD170819  Amsinckia intermedia 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UCD48650  Amsinckia intermedia Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 23 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along E-facing ridge leading up to research station, close to gate of reserve. 371 Comment
  JEPS61139  Amsinckia intermedia W. L. Jepson 1924-4-6 10327 Napa mouth of Coun Creek, near St. Helena; Coun Creek Comment
  UC1094053  Amsinckia intermedia Francia Chisaki 1954-4-15 594 Napa 12.7 mi n of its cut-off from Highway #29 (on Silverado Trail); Silverado Trail Comment
  UC1094056  Amsinckia intermedia Francia Chisaki 1954-4-15 591 Napa about 1 mi s of entrance to State Hospital on Highway #29 Comment
  JEPS105674  Amsinckia lunaris L. P. Janeway, B. Castro 2002-5-12 7531 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road 506 Comment
  UC1111642  Amsinckia lunaris Francia Chisaki 1953-5-8 566 Napa 3.1 mi s of Napa-Lake County line (on Pope Valley Road) Comment
  UCD74365  Amsinckia lunaris Jake Ruygt 1977-3-6 137 Napa Low elevation east of Basalt Rock Co. 213 Comment
  UCD119763  Amsinckia menziesii S. Galen Smith 1951-4-15 s.n. Napa Along Silverado Trail. Comment
  UCD170834  Anagallis arvensis 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UCD18486  Anagallis arvensis P. J. Plummer 1995-5-27 s.n. Napa off Hwy 128. 335 Comment
  UCD35480  Anagallis arvensis Beecher Crampton 1957-4-15 3930 Napa Napa County; Vaca Mtns., Markley Canyon. Comment
  JEPS104502  Ancistrocarphus filagineus Jake Ruygt 1996-4-27 3629 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. Comment
  UCD118509  Ancistrocarphus filagineus Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. South side of road. 417 Comment
  UCD148818  Ancistrocarphus filagineus Ellen Dean; Diana Hickson 2014-4-29 8124 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  UC619409  Angelica californica Wilhelm N. Suksdorf 1913-7-26 683 Napa e of Napa Comment
  UCD149686  Angelica lineariloba Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UC20807  Angelica tomentosa Willis L. Jepson 1893-9-24 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  UC765493  Angelica tomentosa R. F. Hoover 1938-9-23 3861 Napa south fork of Butts Creek Butts Creek Comment
  UCD135768  Anisocarpus madioides Bruce G. Baldwin 1985-6-2 488 Napa 0.6 mile east of Napa/Sonoma Counties boundary along Oakville Grade Road. Comment
  SBBG8596  Anisocarpus madioides H. and M. Dearing 1939-5-1 3241 Napa St Helena Comment
  JEPS14068  Anthriscus caucalis W. L. Jepson 1936-6-2 17603 Napa e of St. Helena (thickets on bank of Napa River, near bridge on road to St. Helena Sanitarium); Napa River Comment
  RSA132844  Antirrhinum kelloggii John H. Thomas 1958-4-19 7123 Napa About 2 miles SW of Oakville. 152 Comment
  JEPS83372  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-15 331 Napa just n Walter Springs Road intersection with Pope Canyon Road (3.2 mi e of Hardin Road, on n side of gravel road to Walter Springs, roadcut above Pope Creek); Walter Springs Quad. (7.5', 1959) 182 Comment
  CAS-BOT-BC248849  Antirrhinum virga Arno H. Wilson 1920-6-26 s.n. Napa Atlas Comment
  UCD33220  Apiastrum angustifolium Beecher Crampton 1967-5-11 7920 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  JEPS104487  Apocynum cannabinum Jake Ruygt 1979-6-30 729 Napa .3 miles north of Darms Lane on Solano Avenue 27 Comment
  UC162866  Aquilegia eximia Joseph P. Tracy 1905-7-6 2222 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt. 365 Comment
  UCR44910  Aquilegia eximia L. F. LaPre, R. Bjork 1986-7-13 s.n. Napa Inner North Coast Ranges, Hunting Creek, 0.5 mi south of Dunnigan Hill. SE of Clear Lake, near the county line. 335 Comment
  UC1125888  Aquilegia formosa B. Schreiber 1936-5-3 2203 Napa 1.2 mi w Calistoga; Calistoga quad 152 Comment
  CAS-BOT-BC16717  Arabis modesta Donald V. Hemphill 1958-3-17 s.n. Napa Monticello Dam, Napa-Yolo county line. Comment
  JEPS40073  Aralia californica Willis L. Jepson 1894-10-14 14139 Napa Calistoga Napa R. Basin, Calistoga Comment
  SFV5090  Aralia californica B. C. Templeton 1957-6-26 s. n. Napa Calistoga. Near Hill and Connors Ranches. Comment
  SEINET265704 Image available Arbutus menziesii Royal D. Suttkus 1967-6-26 67- 30 -1 Napa Clearly Reserves 7.2 mi NW of Pope Valley Comment
  CAS-BOT-BC24162  Arctostaphylos Ira L. Wiggins 1949-4-30 12084 Napa On saddle about 1.5 miles from summit of Mount St. Helena 1066 Comment
  UC549538  Arctostaphylos J. E. Adams 1933-4-4 Napa Mt. St. Helena Comment
  UC565374  Arctostaphylos H. B. Kaufner 1937-2-26 17 Napa 1/4 mi below Devil's Well; Upper Mill Creek Canyon 472 Comment
  CAS-BOT-BC23978  Arctostaphylos canescens subsp. canescens H. E. McMinn 1926-1-2 1629 C Napa Trail up Mt. St. Helena Comment
  POM125416  Arctostaphylos canescens subsp. canescens Alice Eastwood 1923-5-9 11763 Napa Mount St. Helena Comment
  RSA40453  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12271 Napa Near summit Mt. St. Helena. Comment
  UC419751  Arctostaphylos canescens subsp. canescens Mrs. H. P. Bracelin 1930-7-13 25 Napa s slope Mt. St. Helena Comment
  UC549704  Arctostaphylos canescens subsp. canescens J. E. Adams 1934-3-10 644 Napa Mt. St. Helena Comment
  UC571088  Arctostaphylos canescens subsp. canescens H. L. Mason 1926-3-14 2735 Napa Toll House Canyon Mount St. Helena Comment
  CAS-BOT-BC23621  Arctostaphylos crustacea Peter H. Raven 1951-6-26 3052 Napa Wooden Valley Grade 304 Comment
  CAS-BOT-BC23624  Arctostaphylos crustacea Alice Eastwood; John Thomas Howell 1937-4-4 3828 Napa Wooden Valley Grade, E of Napa Comment
  UCD50910  Arctostaphylos glandulosa A. E. Wieslander 871 1939-3-18 871 Napa 1.5 miles northeast of Mt. Veeder. 304 Comment
  RSA626916  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24802 Napa Chaparral on southeast side of Mt. Helena. 1020 Comment
  UC1120222  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1939-3-18 871 Napa 1 1/2 mi ne Mt. Veeder; Sonoma Quadrangle Comment
  UC1137482  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1934-2-24 364 Napa Spring Mountain Calistoga Quadrangle Comment
  UCR220105  Arctostaphylos glandulosa subsp. glandulosa Ayzik Solomeshch, Stephen Rae 2007-7-8 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  JEPS46407  Arctostaphylos manzanita unknown 1896-2-23 Napa Howell Mt. Comment
  OBI14645  Arctostaphylos manzanita H. E. McMinn 1936-4-4 4390 Napa Howell Mt 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
  UCD52209  Arctostaphylos manzanita Roman Gankin 1966-2-26 680 Napa ca. 100 yards up hill from gate at roadway; property west of Macdonald Ranch, Las Posadas State Forest, Napa County, California. Comment
  SEINET11977791  Arctostaphylos manzanita Unknown 1852-1 452 Napa no further locality Comment
  CAS-BOT-BC24279  Arctostaphylos manzanita subsp. manzanita L. R. Abrams 1916-7-2 5771 Napa Near Saint Helena Sanitarium. Comment
  CAS-BOT-BC38732  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4565 Napa Crater Country near Mt. St. Helena Comment
  CAS-BOT-BC38770  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1907-7-27 s.n. Napa Mt. St. Helena, summit 1st ridge on road from Middletown to Knights Valley 731 Comment
  JEPS38880  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1936-12-7 17993 Napa near St. Helena; Napa Range, Glass Mt. Comment
  JEPS78437  Arctostaphylos manzanita subsp. manzanita Edward Lee 1936-3-15 1804 Napa 3/4 mi out Rutherford (Rutherford-Pope Valley road); Rutherford-Pope Valley road Comment
  JEPS79561  Arctostaphylos manzanita subsp. manzanita Edward Lee with Annetta Carter 1935-12-1 1670 Napa s side of road road from Napa to Wooden Valley (on land of F. Gaggero); Howell Mts., Sarco Creek Comment
  UC549555  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-10 642 Napa Mt. St. Helena Comment
  CAS-BOT-BC43831  Arctostaphylos stanfordiana C. B. Wolf 1928-5-4 1860 Napa Mt. St. Helena Comment
  CAS-BOT-BC43834  Arctostaphylos stanfordiana W. R. Dudley 1893-2-23 s.n. Napa Knights Valley, near Calistoga Comment
  CAS-BOT-BC43850  Arctostaphylos stanfordiana L. R. Abrams 1928-5-4 12269 Napa Near summit, Mt. St. Helena Comment
  CAS-BOT-BC43858  Arctostaphylos stanfordiana Alice Eastwood 1918-5-1 6861 Napa Mt. St. Helena Comment
  CAS-BOT-BC43860  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi. sw. of Angwin 243 Comment
  CAS-BOT-BC43868  Arctostaphylos stanfordiana Alice Eastwood 1922-3-25 11089 Napa Calistoga Comment
  CDA11264  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Webster, J. M. Tucker 1994-10-29 11919 Napa North Coast Biodiversity Arena; Mt. George Napa Land Trust Reserve. Comment
  HSC7716  Arctostaphylos stanfordiana L. S. Rose 1964-4-2 64015 Napa 2 miles W of Angwin 244 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
  SEINET11987173  Arctostaphylos stanfordiana J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4086 Napa Strybing Arboretum, San Francisco, orig. from Napa/Sonoma county line in Butts Canyon Comment
  JEPS106412  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 1977-3-27 161 Napa Mt. St. Helena 853 Comment
  JEPS122809  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 2007-1-23 5112 Napa Kortum Canyon Road on brushy ridge. QUAD: Calistoga. Comment
  POM367458  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1935-2-11 35013 Napa 5 mi. N.E. of Napa, Wooden Valley Grade. Comment
  RSA14941  Arctostaphylos stanfordiana subsp. stanfordiana Alice Eastwood, John Thomas Howell 1935-2-11 1937 Napa 5 miles east of Napa on Wooden Valley Grade. Comment
  RSA195289  Arctostaphylos stanfordiana subsp. stanfordiana Gilbert Muth 1967-4-9 608 Napa Aetna Springs to Callistoga Road. 671 Comment
  SBBG115367  Arctostaphylos stanfordiana subsp. stanfordiana B. Crampton 1962-5-16 6429 Napa ca. 0.5 mi W of Aetna Springs Comment
  UC876395  Arctostaphylos tomentosa subsp. crustacea Lewis S. Rose 1937-4-4 37017 Napa 8 mi ne Napa; Wooden Valley Grade 274 Comment
  UCD47967  Arctostaphylos viscida Ari Houser; J. Westbrook, S. Ratay, M. Disney,R. Wolfson,S. Wathen 2000-4-22 32 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd. 1st ridge south of Devilhead Rd. 518 Comment
  UCD52567  Arctostaphylos viscida Beecher Crampton 1970-4-15 8558 Napa north end of Capell Valley, State Hwy. 128. Comment
  UCR26056  Arctostaphylos viscida Michael J. Kelly 1975-3-24 35 Napa on left side of road 15 mi east of intersections of Highways 128 and 29. 854 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
  UC763112  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1941-4-26 4915 Napa between Samuel Sprs. and Walter Sprs.; Pope Creek canyon Comment
  JEPS58782  Arctostaphylos viscida subsp. viscida W. L. Jepson 1938-5-22 18829 Napa Snell Valley Comment
  JEPS78440  Arctostaphylos viscida subsp. viscida Edward Lee 1936-3-15 1809 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
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Sep 27 2012
  SBBG16136  Aristolochia californica H. and M. Dearing 1940-3-20 4147 Napa near Napa Comment
  SEINET5585704  Aristolochia californica Richard R. Halse 2013-1 8755 Napa Along State Hwy. 128 ca. 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners. 239 Comment
  UC185097  Aristolochia californica H. P. Chandler 1907-5-30 7599 Napa St. Helena, White Sulphur Spring Comment
  UC543760  Aristolochia californica Herbert L. Mason 1928-4-13 4331 Napa hills between Santa Rosa and Calistoga 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
  UC6148  Aristolochia californica Willis L. Jepson 1893-4-28 Napa Wooden Valley grade from Napa; Napa River Basin Comment
  UC917133  Aristolochia californica R. B. Griffith 1949-3-14 1 Napa 8.6 mi. w. Winters (n. bank of Putah Creek); Putah Creek 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
  UCSC000193  Aristolochia californica Carl Meyer 1925-3-31 s.n. Napa Calistoga Comment
  UCD151054  Aristolochia californica P. B. Kaufman 1950-4-28 33 Napa besides Winters-Monticello road, approximately 9.5 miles from Winters near Yolo-Napa county line. Comment
  UC166074  Arnica discoidea J. P. Tracy 1905-7-6 2224 Napa 3-4 mi e of, head of Moore's Creek Angwin's; Howell Mountain, Moore's Creek 457 Comment
  UCD38610  Arnica discoidea Beecher Crampton 1956-5-25 3484 Napa Howell Mtns. Comment
  CAS-BOT-BC82391  Arnica discoidea Peter H. Raven 1951-6-10 2906 Napa Toll House - Palisades, Mt. St. Helena 914 Comment
  UC468967  Arnica discoidea H. P. Chandler 1907-5-19 7579 Napa St. Helena , White Sulphur Spring Comment
  CHSC102303  Artemisia douglasiana Lowell Ahart 2009-10-12 16416 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. 437 Comment
  SEINET258289  Artemisia douglasiana Unknown 1986-9-19 10228 Napa Napa County: In the northern end of the Napa Valley on the west side of Calistoga. 110 Comment
  JEPS37057  Artemisia douglasiana W. L. Jepson 1939-9-12 19483 Napa w of St. Helena; Spring Mountain Comment
  CDA1737  Arundo donax G. D. Barbe, Q. L. Holdeman 1978-10-12 2460 Napa Circle Oaks development, ca. 3.2 km. north of Wooden Valley. 0 Comment
  JEPS104557  Asclepias cordifolia Jake Ruygt 1979-5-16 599 Napa 9.2 miles NE of Atlas Peak Rd. on Monticello Rd. 280 Comment
  SEINET198881  Asclepias cordifolia H. E. Cott 1949-6-5 A- 137 Napa Along State Highway 28, Monticello mouth of Putah Canyon. Comment
  JEPS129152  Asparagus officinalis subsp. officinalis Jake Ruygt 1979-5-23 628 Napa Napa River south of Trancas Street, Napa. Napa 7.5' Quad. Comment
  JEPS103978  Aspidotis californica Jake Ruygt 1990-12-15 2615 Napa Monticello Rd. at site of Jarvis Winery cave 341 Comment
  JEPS107260  Astragalus breweri Jake Ruygt 1993-4-12 3195 Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  RSA51342  Astragalus breweri P. H. Raven 1950-5-6 2022 Napa Sulpher flats and hot spring near Old Faithful Geyser N. of Calistoga. 183 Comment
  RSA739594  Astragalus breweri John Dittes 2003-4-5 2003 -13 Napa Inner N Coast Range, Napa Valley, 1.8 air miles NNW of Calistoga City Hall, 1 air mile NW of confluence of Napa River and Grnett Creek. 123 Comment
  UCR146403  Astragalus breweri Beecher Crampton 1961-4-6 5854 Napa Inner North Coast Ranges, 1 mile north of Moskowite Corners, along State Hwy. 128 244 Comment
  JEPS107256  Astragalus claranus Jake Ruygt 1985-3-30 1582 Napa Conn Valley Rd. along L. Hennessey 97 Comment
  JEPS107258  Astragalus claranus Jake Ruygt 1993-4-10 3188 Napa Lewelling Ranch,south of Sulphur Springs Road., St. Helena 109 Comment
  JEPS21030  Astragalus claranus W. L. Jepson 1924-4-6 10323 Napa Conn Valley , Conn Valley (Napa Range) Comment
  UCD75829  Astragalus claranus Jake Ruygt 1994-4-15 3347 Napa Lewelling Ranch, near Sulphur Springs Road, St. Helena. 103 Comment
  RSA90752  Astragalus claranus J. T. Howell 1931-4-19 6442 Napa Conn Valley. Comment
  JEPS54567  Astragalus clevelandii W. L. Jepson 1897-7-13 13743 Napa Butt's Canyon Comment
  UC168341  Astragalus clevelandii Katharine Brandegee Napa Butts Canyon Comment
  UCD104678  Astragalus clevelandii Robert E. Preston 1987-6-18 566 Napa 1.4 mile ne of Big Basin. 414 Comment
  UC70374  Astragalus gambelianus Milo S. Baker 1896-5-8 27 Napa near Four Corners; near Four Corners Comment
  UCD104803  Astragalus gambelianus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  CAS-BOT-BC193129  Astragalus rattanii var. jepsonianus David D. Keck 1933-5-29 2361 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS100901  Astragalus rattanii var. jepsonianus Dean W. Taylor 1998-5-14 16434 Napa Pope Canyon, along Pope Canyon Road at crossing of Pope Creek, northerly facing roadbank 100 meters west of the bridge 198 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
  UC604118  Astragalus rattanii var. jepsonianus Baker 1938-4-29 8938 Napa near Pope Valley; North Bay Counties, near Pope Valley 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
  UCD114242  Athysanus pusillus June McCaskill 1965-3-4 694 Napa ca. 1/2 mile east of mail boxes on road to M and M Ranch, in middle of Snell Valley. Comment
  UCD148773  Atriplex prostrata Jake Ruygt 1978-9-8 406 Napa Napa County; Napa; Marina Dr. at Napa River. 0 Comment
  SACT000360  Avena barbata John Willoughby 1977-4-20 Napa near latitude of Mount Vaca, along road leading to property of M Toponce. 609.6 Comment
  UCD38527  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3228 Napa Napa Valley, 1 mile south of Rutherford. Comment
  JEPS126110  Azolla filiculoides Jake Ruygt 1981-4-22 995 Napa East of Kaiser Steel, west of Highway 29 (221) Rocktram. Napa 7.5' Qua. Comment
  JEPS14319  Baccharis glutinosa Peter H. Raven 1955-8-27 8760 Napa at Cuttings Wharf Comment
  JEPS104528  Baccharis pilularis Jake Ruygt 1991-9-23 2845 Napa Napa River north of Slaughterhouse Point 1 Comment
  SEINET9328438  Baccharis salicina Unknown 1995-4-10 12055 Napa Napa Comment
  CAS-BOT-BC16532  Barbarea orthoceras G. DeNevers 1982-3-21 1941 B Napa Napa Range Mountains. On west slope of Mount George. Comment
  UCD161752  Barbarea orthoceras Jake Ruygt 1996-4-12 3605 Napa Blue Ridge, north of Monticello Dam, Rockwell Gap area. 615 Comment
  UCD48675  Barbarea verna C. Mathews; C. Little, K. Glover, T. Petrie 2001-4-14 8 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along Decker Bay Trail, 55 ft. NW of jct with West Rd. 152 Comment
  CAS-BOT-BC145817  Beckmannia syzigachne Peter H. Raven 1952-5-26 4027 Napa Rutherford. 53 Comment
  JEPS123017  Beckmannia syzigachne Jake Ruygt 1988-5-3 2176 Napa 0.3 miles north of Oak Knoll on Silverado Trail. Quad: Napa. Comment
  UCD161604  Berberis aquifolium var. dictyota Jake Ruygt 1999-5-1 4145 Napa Blue Ridge above Gosling Canyon. 792 Comment
  UCSB27483  Berberis nervosa Havlik, Neil 1969-6-29 Napa Along Trout Creek on the northeastern slope of Mount St. Helena 762 Comment
  CAS-BOT-BC75847  Berberis pinnata Ira L. Wiggins 1949-4-30 12089 Napa Eastern flank of Mount Saint Helena. 914 Comment
  JEPS122693  Bidens frondosa Jake Ruygt 1986-7-19 1882 Napa East bank of Napa River below confluence with Tulocay Creek. Quad: Napa. Comment
  JEPS104573  Blennosperma nanum Jake Ruygt 1978-1-25 227 Napa 1 mile north of Soda Canyon Rd. on Silverado Trail 19 Comment
  JEPS110698  Boisduvalia stricta Jake Ruygt 1990-6-11 2592 b Napa City of Napa, Milliken Reservoir watershed property 341 Comment
  UC841023  Bolboschoenus robustus Milo S. Baker 1932-10-8 6039 Napa bank of Napa River at Cuttings Wharf; bank of Napa River at Cuttings Wharf Comment
  UCD81828  Brachypodium distachyon Ellen Dean 2009-4-24 5455 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 274 Comment
  CAS-BOT-BC36763  Brassica rapa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium. Comment
  CAS-BOT-BC106270  Brickellia californica Peter H. Raven 1952-8-28 5160 Napa Road below Napa Soda Springs 213 Comment
  UCD129630  Brickellia californica D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  UCD20758  Brickellia californica M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 108 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  UCD57145  Briza maxima Beecher Crampton 1965-5-13 7335 Napa Ca. 3 miles SE of Calistoga Silverado Trail. Comment
  OBI22481  Briza minor R. L. Hoover 1968-4-20 61 Napa In field NE of jctn of Aetna Springs, Pope Valley and Butts Cyn rd Comment
  RSA170266  Briza minor Joseph P. Tracy 1950-5-23 18676 Napa La Jola Plateau 518 Comment
  SEINET181189  Brodiaea coronaria subsp. coronaria Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-9 15084 Napa 20 miles North of Napa Comment
  UCD20727  Brodiaea elegans Ellen Dean; w/ Mark Bibbo 2002-6-17 1104 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 182 Comment
  UCD160777  Brodiaea elegans subsp. elegans Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8657 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 601 Comment
  JEPS7659  Brodiaea elegans subsp. elegans W. L. Jepson 1893-6-24 Napa near Napa; Lower Napa Valley Comment
  JEPS122767  Brodiaea terrestris subsp. terrestris Jake Ruygt 2005-5-16 4851 Napa Tubbs Lane at Myrtledale Road, Calistoga. Quad: Calistoga. Comment
  CAS-BOT-BC486434  Brodiaea terrestris subsp. terrestris Alice Eastwood; John Thomas Howell 1938-5-15 5517 Napa Myrtledale Hot Springs Comment
  UCD73503  Bromus arenarius Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  SEINET238874 Image available Bromus carinatus var. carinatus Beecher Crampton 1956-5-25 3464 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD149688  Bromus carinatus var. carinatus Stephen P. Rae; Ayzik Solomeshch 2006-5-7 Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  CAS-BOT-BC155987  Bromus diandrus Peter H. Raven 1952-5-29 4084 Napa Napa River 1 mile north of Napa. 60 Comment
  CAS-BOT-BC155988  Bromus diandrus Peter H. Raven 1953-5-2 5360 Napa Along railroad tracks. Yountville. 76 Comment
  CHSC25161  Bromus diandrus J. E. Beitler 1970-4-19 37 Napa Around York Creek bridge W. side of Spring Mountain Road, ca. 1.7 mi. N.W. of junction of Spring Mountain Road and York Lane. St. Helena. Comment
  UCD17982  Bromus hordeaceus Ellen Dean; with Plant Biology 102 class 2001-4-14 708 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along North Decker Canyon Trail, N of trail. 182 Comment
  JEPS75999  Bromus japonicus W. L. Jepson 1936-6-1 17591 Napa w side of Four Corners (Howell Mt.); Howell Mountain, Four Corners Comment
  CDA10878  Bromus laevipes G. F. Hrusa, M. Rejmanek 1993-5-15 10973 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD33380  Bromus laevipes Beecher Crampton 1967-6-20 8132 Napa Napa County, west slope of Wragg and Markley Canyon Summit on Hwy. 128. Comment
  UCD58606  Bromus laevipes August L. Hormay 1932-6-19 s.n. Napa Mt. St. Helena. 4-5 miles southeast of Middleton. Comment
  UCD58877  Bromus laevipes Beecher Crampton 1956-5-25 3456 Napa Head of Markley Canyon. Vaca Mtns. Comment
  UCD72385  Bromus laevipes G. F. Hrusa; Marcel Rejmanek 1993-5-15 10973 Napa Quail Ridge Reserve--Univ. of California. 225 Comment
  UCD58968  Bromus madritensis Beecher Crampton 1962-5-16 6441 Napa 3 miles SW of Monticello Dam. Vaca Mtns. Markley Canyon. Along State Hwy. 128. Comment
  UCD58972  Bromus madritensis A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3545 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  SACT000578  Bromus mollis John Willoughby 1976-4-12 Napa Near Mount Vaca, in chaparral near top of ridge 609.6 Comment
  CHSC61248  Bromus porteri J. Lund 1980-4-12 Napa On Hwy 29, 4.5 miles west of Robert Lewis Stevenson State Park. Comment
  SEINET10523828  Bromus rigidus Ana Maria Planchuelo 1980-1 Planchuelo 406 Napa Rte 128, between winter and rutherford. Comment
  CAS-BOT-BC161829  Bromus rubens David L. Morgan 1961-5-16 s.n. Napa Napa. Cemetary. Comment
  UCD18145  Bromus rubens Jean Shepard; with PLB 102 class 2000-4-29 200 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD59713  Bromus sterilis Beecher Crampton 1964-5-12 6950 Napa 2 miles north of Calistoga, State Hwy. 128, jct. Tubbs Lane. Comment
  UCD73502  Bromus sterilis Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD57534  Calamagrostis ophitidis Beecher Crampton 1953-5-19 1304 Napa 11 miles east of Rutherford, Chiles Valley. Comment
  UC1001197  Calandrinia breweri Peter H. Raven 1953-4-2 5288 Napa burn e Tulucay Creek 426 Comment
  CDA6851  Calendula arvensis B. Bond 1952-3-13 Napa South of Napa. 0 Comment
  UCD148770  Callitriche heterophylla var. bolanderi Jake Ruygt 1997-4-26 3836 Napa Napa County; Mt. Veeder Vineyards, south of Lakoya Road. 457 Comment
  HSC81868  Calochortus amabilis Thomas W. Nelson, Jane P. Nelson 1980-5-3 5140 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  SEINET3884897  Calochortus amabilis Daphne K. Christopher, Hannah I. Stevens; Mark Bibbo 2003-4-12 156 Napa Uc Davis, Stebbins Cold Canyon Reserve. Near main trailhead.; 0 166 Comment
  UCD18163  Calochortus amabilis Eva Bayon; with PLB 102 class 2000-4-29 s.n. Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD22717  Calochortus amabilis Charles Gasser 1978-4-22 15 Napa Chiles/Pope Valley Road, 1.6 miles SW of junction with lower Chiles Valley Road. Comment
  UCD48265  Calochortus amabilis R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 5 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryesssa Road, on Southeast side of Devilhead Road. 515 Comment
  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-BC488489  Calochortus amabilis R. Baeigalupi 1925-4-26 1226 Napa hills 1 mi north of Napa Soda Springs Comment
  UCD40875  Calochortus amabilis Judy Force 1984-4-21 s.n. Napa Near Lake Berryessa. Comment
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Oct 15 2010
  UCD73424  Calochortus argillosus Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCD160679  Calochortus luteus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8751 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 177 Comment
  RSA222009  Calochortus luteus W. C. Merrill 1895-05 s.n. Napa Calistoga Comment
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Jan 23 2011
  UCD166649  Calochortus luteus Jake Ruygt 1982-7-6 1366 Napa north of American Canyon (Cantoni Canyon). 259 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
  SD133928  Calochortus superbus Barbara Ertter, Annetta Carter 1989-5-28 8501 Napa Berryessa-Knoxville Road, north of Lake Berryessa, 4.7 miles south of Knoxville tunnel, grassland in Oak-Digger Pine woodland along Eticuera Creek. 305 Comment
  CAS-BOT-BC483611  Calochortus tolmiei Elizabeth Wright 1922-4-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC483612  Calochortus tolmiei Peter H. Raven 1964-5-9 19056 Napa 2 miles west of Aetna Springs Comment
  UC143576  Calochortus uniflorus C. F. Baker 1903-4-19 1979 Napa Calistoga Comment
  UCD160784  Calochortus vestae Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8664 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
  UCD167143  Calochortus vestae Jake Ruygt 2015-5-2 6088 Napa West of Buck Mountain nea Nevada Creek. 461 Comment
  CAS-BOT-BC273286  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 313 Comment
  JEPS38581  Calycadenia multiglandulosa Willis L. Jepson 1901-8-6 1730 Napa Howell Mt., Napa River Basin Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC270830  Calycadenia pauciflora Gerald D. Carr 1971-8-6 616 Napa Lower Chiles Valley Road, 1.3 miles N of Highway 128 Comment
  CAS-BOT-BC270833  Calycadenia pauciflora John Thomas Howell 1929-8-4 4364 Napa 1 mile below Samuels Springs, Pope Creek Canon [Pope Creek Canyon], Napa Range Comment
  JEPS38539  Calycadenia pauciflora W. L. Jepson 1916-8-6 6831 Napa Howell Mt. Comment
  RSA255599  Calycadenia pauciflora Gerald D. Carr 1971-8-6 616 Napa Lower Chiles Valley Road, 1.3 miles north of Hwy. 128 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
  CAS-BOT-BC270838  Calycadenia pauciflora H. M. Hall 1923-10-12 11926 Napa 16 miles SE of Lower Lake, northern part of county Comment
  JEPS38587  Calycadenia pauciflora Willis L. Jepson Jul 1 1892-Aug 1 1892 Napa near Knoxville; Clear Lake (Mountain Region) Comment
  RSA255530  Calycadenia pauciflora Gerald D. Carr 1971-9-20 665 Napa 0.8 miles SE of Berryessa-Knoxville Road on Hwy. 128 213 Comment
  RSA255533  Calycadenia pauciflora Gerald D. Carr 1971-9-20 669 Napa 1.8 miles SE of Lake Co. line on Morgan Valley Road, 125 yards north of [?]. Comment
  RSA255614  Calycadenia pauciflora Gerald D. Carr 1971-9-20 669 Napa 1.8 miles SE of Lake Co. line on Morgan Valley Road, 125 yards north of [?]. Comment
  CAS-BOT-BC271566  Calycadenia truncata subsp. truncata John Thomas Howell 1930-7-13 5344 Napa Lower slopes of Mt. St. Helena Comment
  CAS-BOT-BC271561  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  CAS-BOT-BC271562  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  CAS-BOT-BC90959  Calycanthus occidentalis Peter H. Raven 1950-6-20 2335 Napa In the Napa Range between Saint Helena and Conn Valley. Comment
  CAS-BOT-BC90961  Calycanthus occidentalis Mrs. H. C. Cantelow 1940-4-21 2993 Napa Monticello Grade. Comment
  JEPS40314  Calycanthus occidentalis W. L. Jepson 1936-5-29 17547 Napa Adam-and-Eve Ridge Howell Mt. (at the cave, Howell Mt.) Comment
  JEPS45706  Calycanthus occidentalis W. L. Jepson 1895-11-27 Napa St. Helena Comment
  RSA456153  Calycanthus occidentalis E. S. Spalding 1924-7-4 s.n. Napa White Sulphur Springs Canon, near St. Helena. Comment
  SBBG9297  Calycanthus occidentalis S. Wagener 1955-5-16 73 Napa Conn Dam, St Hwy 128 Comment
  UCD15613  Calycanthus occidentalis Lisa Montany 1985-6-1 33 Napa Highway 128, 0.5 miles west of Conn Dam, north of road in clearing. 76 Comment
  UCR198051  Calycanthus occidentalis Lisa Montany 1985-6-1 33 Napa Hwy 128, 0.5 mi west of Conn Dam, north of road in clearing near creek 76 Comment
  SEINET8194129 Image available Calycanthus occidentalis R. H. Miller 1949-5-8 49 Napa Along Highway 37, about 13 miles northeast of Napa Comment
  JEPS41086  Calyptridium quadripetalum Rimo Bacigalupi and L. R. Heckard 1965-5-15 9091 Napa headwaters of creek 1/2 mi se Devilhead Road (from Knoxville to Cedar Valley) (ne Napa Co.); Zim Zim Creek 487 Comment
  CAS-BOT-BC221555  Calystegia collina subsp. collina R. K. Brummitt; A. Wolf; R. W. Howe 1998-5-15 19848 Napa 10 km NE of St. Helena, on Chiles and Pope Valley Road 300 Comment
  UC140319  Calystegia collina subsp. collina C. F. Baker 1903-5-8 2968 Napa Knoxville Comment
  UCD117787  Calystegia collina subsp. collina Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  JEPS129054  Calystegia purpurata Jake Ruygt 2016-5-14 6254 Napa Near south base of Snell Peak. Aetna Springs 7.5' Quad. Comment
  UC23153  Calystegia purpurata Willis L. Jepson 1894-5-3 Napa St. Helena , St. Helena (Napa River Basin) Comment
  CAS-BOT-BC224631  Calystegia purpurata subsp. purpurata Ira L. Wiggins 1949-4-30 12080 Napa Between Calistoga and Middletown Comment
  UC23177  Calystegia subacaulis Willis L. Jepson 1894-5-1 Napa Conn Valley , Conn Valley (Napa River Basin) Comment
  JEPS61539  Camassia quamash subsp. quamash Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  JEPS122759  Camissoniopsis hirtella Jake Ruygt 2005-6-1 4885 c Napa Blue Ridge, about 1 mile north of Mays Flat. Quad: Knoxville. Comment
  UCD48063  Camissoniopsis hirtella A. Haselby; M. Carson, S. Howard, P. Mayer 2000-4-29 8 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  JEPS106555  Campanula angustiflora Jake Ruygt 1992-5-15 2959 b Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  CHSC31984  Cardamine californica L. Ahart 1976-3-7 1026 Napa Along edge of creek ca. 2 mi sw of Monticellow Dam. 152 Comment
  UCD114190  Cardamine californica G. F. Hrusa; G. L. Stebbins 1994-3-11 11597 Napa Las Posadas State Forest; immediately E of Fire Station in upper drainage of Moore Creek. 450 Comment
  UCD17995  Cardamine californica Ellen Dean; Kate Mawdsley 2001-4-9 681 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
  JEPS106834  Cardamine californica var. sinuata Jake Ruygt 1979-4-14 510 Napa Aetna Springs Extension Road 475 Comment
  UCD83862  Cardamine hirsuta Ellen Dean; Stephen Rae 2010-3-15 5820 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  RSA633345  Cardamine hirsuta Michael A. Vincent, Ethan H. Freid 1998-4-7 8168 Napa Along Rt. 128 at road marker 24/80 Comment
  CAS-BOT-BC37857  Cardamine oligosperma Peter H. Raven 1954-2-22 6397 Napa Saint Helena. 60 Comment
  CDA7772  Cardaria chalepensis Robin Breckenridge 2008-5-8 PDR# 1313560 Napa Napa, DFG Preserve/Lk Berryessa, Eastside Rd. 0 Comment
  UCD35854  Carduus pycnocephalus Beecher Crampton 1965-5-13 7337 Napa ca. 3 miles southeast of Calistoga, Silverado Trail. Comment
  UCD41308  Carduus pycnocephalus Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 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
  UCD85855  Carduus pycnocephalus Peter H. Raven 1950-5-6 2007 Napa West branch of the Napa River where it meets Rt. 29 approximately 1 mile north of Calistoga. 91 Comment
  POM118370  Carex Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD160570  Carex G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  UC1618049  Carex aquatilis Donald G. Nelson 1936-4-1 128 Napa along trail to Green Valley Falls Comment
  JEPS63517  Carex barbarae W. L. Jepson 1936-7-2 17664 Napa Angwin Meadow, Howell Mountain, Napa Range Comment
  CAS-BOT-BC19170  Carex barbarae Wilhelm Nikolaus Suksdorf 1913-7-24 619 Napa High bank of the Napa River below the city. Comment
  JEPS121351  Carex barbarae Jake Ruygt 2006-4-15 4990 Napa S. of Yountville, w. side of Hwy 29. Comment
  CDA11437  Carex bolanderi G. F. Hrusa, M. Tu 1995-5-6 12160 Napa North Coast Biodiversity Arena; Shade of redwoods along Moores Creek in Las Posadas State Forest. Clumping in moist site at edge of Creek. Perennial. Comment
  UCD161787  Carex bolanderi Jake Ruygt 1994-5-17 3384 Napa Linda Falls, Angwin. 402 Comment
  CAS-BOT-BC35075  Carex densa Peter H. Raven 1951-6-24 3017 Napa Brown's Valley. 91 Comment
  JEPS75642  Carex densa W. L. Jepson 1936-5-30 17564 Napa Rutherford Napa Valley Comment
  UCD148832  Carex densa Ellen Dean; Diana Hickson 2014-4-29 8137 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  UCD161334  Carex densa Jake Ruygt 1982-4-25 1204 Napa Large meadow at base of Swartz Canyon. (Coordinates estimated by label maker at UC Davis). 243 Comment
  UCD95934  Carex densa Ellen Dean; with Clare Loughran 2011-5-20 7064 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  CAS-BOT-BC35071  Carex densa Peter H. Raven 1951-6-21 3074 Napa Wooden Valley Grade. 304 Comment
  CAS-BOT-BC35074  Carex densa Peter H. Raven 1950-5-6 2019 A Napa Near Rt. 29, on Old Faithful Geyser road 2 miles north of Calistoga. Comment
  SEINET11630873  Carex densa L. S. Rose 1935-1 35205 Napa E slope Mt. St. Helena Comment
  SEINET7556714 Image available Carex densa Lewis R. Rose 1935-6-4 35205 Napa E slope Mt St Helena. Comment
  JEPS121350  Carex dudleyi Jake Ruygt 2006-4-15 4980 Napa Highway 29, about 0.5 mi. south of Lincoln Ave., Calistoga. Comment
  JEPS121322  Carex globosa Jake Ruygt 1984-3-31 1515 Napa Devils Canyon Comment
  UCD164743  Carex leptopoda Jake Ruygt 2014-6-23 6017 Napa Sutro Ranch, Atlas Peak, Fir canyon. 405 Comment
  CAS-BOT-BC32125  Carex multicaulis Peter H. Raven 1950-6-20 2377 Napa Howell Mtn on NNE side Road to Pope Valley. Comment
  CAS-BOT-BC32124  Carex multicaulis Peter H. Raven 1951-5-26 2865 Napa Lokaya Lodge 411 Comment
  RSA3945  Carex nudata I. L. Wiggins 1932-3-12 5753 Napa Rocky bed of N. Fork of Napa River, 1 mile N. of Calistoga. Comment
  UC483315  Carex nudata Ira L. Wiggins 1932-3-12 5753 Napa 1 mi N of Calistoga (N Fork of Napa River) Comment
  JEPS121336  Carex nudata Jake Ruygt 1984-3-20 1506 Napa Bear Canyon Comment
  SEINET3905219  Carex nudata Lewis S. Rose 1961-3-30 61024 Napa Conn Reservoir, Lake Hennessy.; 0 61 Comment
  UCD140700  Carex obnupta P. B. Kaufman 1950-4-28 35 Napa adjacent to U.S. Highway 99W bridge, 3.9 miles northwest of Davis. Comment
  JEPS121329  Carex serratodens Jake Ruygt 1979-4-23 542 Napa 2.1 miles east of Silverado Trail on Hwy 128 100 Comment
  UCD20740  Carex serratodens E. Dean; w/ PLB 102 class 2002-4-4 1001 Napa McLaughlin UC Reserve. Along Knoxville-Berryesa road just W of turnoff to old town of Knoxville, S side of road. 426 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
  UCD63854  Carex serratodens Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road from Morgan Valley Road. 650 Comment
  RSA783701  Carex subbracteata Jake Ruygt 2009-6-22 3221 -b Napa Yountville Ecological Reserve. Yountville Cross Road. Comment
  UCD161640  Carex subfusca Jake Ruygt 2005-5-11 4831 Napa Cub Valley, south of Bear Valley. (Coordinates converted from UTM data by label maker.) 664 Comment
  SEINET10847050  Carex teneriformis Lewis S. Rose 1935-6-4 Rose 35206 Napa E. slope Mt. St. Helena. Comment
  UCD161586  Carex tumulicola Jake Ruygt 2008-4-24 5304 -e Napa center divide of Highway 221 about 1/4 mile north of Highway 29 intersection. 30 Comment
  CDA6924  Carthamus creticus G. D. Barbe 1978-7-21 2411 Napa Stags Leap, Silverado Trail, east of Yountville. 0 Comment
  SFV8664  Castilleja affinis W. P. Hackett 1960-4-10 15 Napa State Highway 37, 23.2 miles west of Winters. In partial shade on steep, west facing slope. Comment
  UCD122149  Castilleja affinis W. P. Hackett 1960-4-10 15 Napa State Highway 37, 23.2 miles west of Winters. Comment
  JEPS110617  Castilleja affinis subsp. affinis Jake Ruygt 1991-5-11 2652 Napa 1 mile north of College Ave. on Howell Mountain Rd. 551 Comment
  JEPS29588  Castilleja affinis subsp. affinis Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8445 Napa .33 air mi se Atlas Peak (along Atlas Peak road, about 0.25 mi s of end of public road) 670 Comment
  JEPS122743  Castilleja ambigua var. meadii Jake Ruygt 2011-5-28 5793 Napa West of Atlas Peak Road, 2.4 km southwest of Foss Valley. Quad: Yountville. Comment
  JEPS128907  Castilleja ambigua var. meadii Jake Ruygt 1986-5-18 1777 Napa 4.5 miles north of Westgate Drive on Atlas Peak Road. Capell Valley 7.5' Quad. Comment
  JEPS84872  Castilleja ambigua var. meadii Jake Ruygt 1986-5-18 1777 Napa ne of Napa (Atlas Peak road, upper end of Milliken Canyon); Milliken Canyon 448 Comment
  JEPS103916  Castilleja applegatei subsp. martinii T. I. and F. M. Chuang 1991-6-23 7835 Napa Near summit between Calistoga and Middletown. 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
  JEPS4833  Castilleja applegatei subsp. martinii Rimo Bacigalupi with James R. Sweeney''Rimo Bacigalupi (with James R. Sweeney) 1953-5-26 4129 Napa Exactly 1 mile south of summit (St. Helena summit) of State Highway no. 29. Comment
  JEPS5776  Castilleja applegatei subsp. martinii J. R. Sweeney 1954-3-17 1084 Napa near Mt. St. Helena (about 1.5 mi s of road summit, along Calif Highway 29, on the Lake County grade over Mt. St. Helena summit) 487 Comment
  SEINET13732897  Castilleja applegatei subsp. pinetorum R. R. Halse 2013-3-27 8753 Napa S end of Lake Berryessa, along State Hwy 128, ca 8.7 miles W of Winters, just W of Monticello Dam. 143 Comment
  UCD116985  Castilleja attenuata Jillian Howard; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. 0.1 miles NE of fire station, north side of dirt road. 518 Comment
  UCD48228  Castilleja attenuata A. Ryan; S. Burgess, A. Hufton, J. Pierner, and B. Takahashi 2000-4-29 18 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of old town of Knoxville. 609 Comment
  JEPS9947  Castilleja attenuata W. L. Jepson 1937-5-15 18786 Napa 0.5 mi n Napa Wye Comment
  CHSC83409  Castilleja foliolosa L. P. Janeway; B. Castro 2002-5-12 7533 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  UC138773  Castilleja foliolosa C. F. Baker 1903-4-20 2630 Napa Mt. St. Helena Comment
  UCD18159  Castilleja foliolosa Eva Bayon; with PLB 102 class 2000-4-29 s.n. Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  SEINET12329994  Castilleja foliolosa F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -306 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  UC1537568  Castilleja foliolosa Gordon H. True Jr. 1937-6-21 730 Napa Mt. George 304 Comment
  RSA523429  Castilleja franciscana L. R. Heckard 1964-6-11 1367 Napa Along state highway 128 near Coon Park at western edge of Lake Hennessey. Comment
  UC1607995  Castilleja minor subsp. spiralis Donald G. Nelson 1940-8-7 707 Napa about 3 mi nw Knoxville (at the sign of Harrison Mines); Coast Range Mountains Comment
  SEINET10745043  Castilleja minor var. spiralis Willis L. Jepson 1897-7-13 Jepson 21113 Napa Moist rivulets, Butt's Canyon (Pope Valley to Coyote Valley), northern Napa Co. Comment
  UCD20380  Castilleja rubicundula K. Esau 1932-5-3 s. n. Napa Napa County, Napa. Comment
  JEPS100900  Castilleja rubicundula subsp. lithospermoides Dean W. Taylor 1998-5-14 16435 Napa Pope Canyon, along Pope Canyon Road at crossing of Pope Creek, northerly facing roadbank 100 meters west of the bridge 198 Comment
  JEPS11160  Castilleja rubicundula subsp. lithospermoides Rachael Wilcox 1944-5-9 Napa Conn Valley Comment
  UCD123050  Castilleja rubicundula subsp. lithospermoides K. Esau; E. Hyde 1938-5-25 s.n. Napa Exact location unknown. Comment
  SBBG122272  Ceanothus confusus D. O. Burge 2008-6-1 1006 b Napa summit access rd, E slope of SE-most peak, Mount Saint Helena; Robert Louis Stevenson State Park 1000 Comment
  UC80037  Ceanothus confusus C. C. Parry 1881-1 Napa Calistoga Comment
  JEPS42189  Ceanothus cuneatus var. cuneatus W. L. Jepson 1904-6-3 2447 Napa Howell Mt. Comment
  CAS-BOT-BC49111  Ceanothus cuneatus var. ramulosus Ira L. Wiggins 1932-3-12 5766 Napa Hillside between Franz Valley and Calistoga Comment
  CAS-BOT-BC49114  Ceanothus cuneatus var. ramulosus Elizabeth Mrs. Wright 1922-4-1 s.n. Napa Near Calistoga Comment
  CAS-BOT-BC49787  Ceanothus divergens John Thomas Howell 1941-4-5 16166 Napa About 1 mi. sw. of Calistoga Comment
  CAS-BOT-BC49791  Ceanothus divergens C. H. M. 1907-7-27 s.n. Napa Mt. St. Helena 731 Comment
  CAS-BOT-BC49794  Ceanothus divergens Carl B. Wolf 1928-5-4 1854 Napa Mt. St. Helena Comment
  CAS-BOT-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-BC49801  Ceanothus divergens Carl B. Wolf 1928-5-4 1853 Napa Mt. St. Helena Comment
  CAS-BOT-BC49804  Ceanothus divergens H. E. McMinn 1926-1-2 1627 Napa Along trail up Mt. St. Helena Comment
  UCSB24496  Ceanothus divergens Baker, Milo Napa Franz Valley 5 miles west of Calistoga Comment
  HSC18280  Ceanothus foliosus C. B. Wolf 1928-5-4 1852 Napa Mt. St. Helena Comment
  RSA10638  Ceanothus foliosus Carl B. Wolf 1928-5-4 1852 Napa Upper slopes of Mount St. Helena. Comment
  RSA127599  Ceanothus foliosus Peter H. Raven 1955-4-9 8264 Napa W slope of Howell Mt. 457 Comment
  RSA169356  Ceanothus foliosus L. S. Rose 1964-4-2 46018 Napa 2 miles SW of Angwin. 244 Comment
  RSA44294  Ceanothus foliosus E. G. Lovegrove 1946-4-28 s.n. Napa Near upper Mt. St. Helena Comment
  UC726044  Ceanothus foliosus A. A. Heller 1941-5-3 16085 Napa Mt. St. Helena, ca half way to summit Comment
  UCD112130  Ceanothus foliosus M. Wiesendanger 1927-5-4 697 Napa Monticello Road. 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
  CAS-BOT-BC50876  Ceanothus foliosus var. foliosus H. E. McMinn 1922-6-8 175 Napa Howell Mt. Comment
  CAS-BOT-BC50880  Ceanothus foliosus var. foliosus Alice Eastwood 1915-6-6 4702 Napa Mt. St. Helena Comment
  UCD112138  Ceanothus foliosus var. foliosus Heidi E. M. Dobson 1978-5-6 318 Napa East slope of Mt. Veeder. 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
  UCD82599  Ceanothus foliosus var. foliosus Ellen Dean; T. Starbuck 2009-5-4 5537 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCD95694  Ceanothus foliosus var. foliosus Ellen Dean; with Clare Loughran 2011-5-20 7041 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  CAS-BOT-BC50792  Ceanothus integerrimus Brandegee 1890-6-1 21 Napa Toll House, Mt. St. Helena Comment
  UCD169648  Ceanothus integerrimus Jake Ruygt 2014-5-6 5933 Napa Pope Creek about 1.4 mile east of Walter Springs bridge. 170 Comment
  CAS-BOT-BC50637  Ceanothus jepsonii Roman Gankin 1966-2-26 678 Napa Next to roadway at gate; property west of macdonald Ranch, las Posadas State Forest Comment
  JEPS42332  Ceanothus jepsonii Willis L. Jepson 1920-7-12 9069 Napa near Old Chiles Mill (Chiles Creek hills); Napa Valley Comment
  SBBG4343  Ceanothus jepsonii L. Rowntree 1930-7-15 Napa Sage Cyn Comment
  CDA11425  Ceanothus jepsonii var. albiflorus G. F. Hrusa, M. Tu 1995-5-6 12148 Napa North Coast Biodiversity Arena; approx. 1.25 m. above Aetna Springs, on Aetna Spr. Rd. Comment
  JEPS20110  Ceanothus jepsonii var. albiflorus W. L. Jepson 1915-4-23 6263 Napa Chiles Creek hills Napa Range Comment
  CAS-BOT-BC51559  Ceanothus oliganthus var. sorediatus M. S. Jussel 1932-4-10 s.n. Napa St. helena, 10 miles N.E. Cliff Spring Comment
  CAS-BOT-BC51561  Ceanothus oliganthus var. sorediatus Willis L. Jepson 1928-4-1 s.n. Napa Wooden Valley grade, Napa River Basin Comment
  CAS-BOT-BC51564  Ceanothus oliganthus var. sorediatus H. E. McMinn 1923-5-25 974 a Napa Between Wooden Valley and Monticello Comment
  UCD112309  Ceanothus oliganthus var. sorediatus Beecher Crampton 1970-4-15 8563 Napa North end of Capell Valley State Hwy. 128. Comment
  UCD37180  Ceanothus oliganthus var. sorediatus Beecher Crampton 1958-4-22 4740 Napa Napa County, Vaca Mountains, Markley Canyon, Highway 128. Comment
  UCD49124  Ceanothus oliganthus var. sorediatus S. Murphy; K. Keck and K. Dyer 2002-5-5 10 Napa Quail Ridge UC Reserve, northern tip of ridge, along northern edge of upper road leading to power lines and tip parcels, NE from the intersection of West and East roads ca. 450m. 327 Comment
  CAS-BOT-BC53213  Ceanothus parryi Joseph P. Tracy 1902-5-21 1583 Napa Howell Mountain, on hills at head of Moore's Creek, 3-4 miles east of Angwin's 365 Comment
  CAS-BOT-BC53216  Ceanothus parryi Brandegee 1890-4-1 20 Napa Toll House, Mt. St. Helena Comment
  CAS-BOT-BC53222  Ceanothus parryi Alice Eastwood 1918-5-1 6854 Napa Mt. St. Helena Comment
  JEPS42409  Ceanothus parryi W. L. Jepson 1924-4-27 10372 Napa Toll House Mt. St. Helena Comment
  LA43650  Ceanothus parryi Joseph Andorfer Ewan; 1937-5-23 10329 Napa Mt. St. Helena, Mt. St. Helena summit trail, near Stevenson Tablet Comment
  RSA26084  Ceanothus parryi Lester Rowntree 1933-4-17 s.n. Napa Near St. Helena Comment
  UC1071246  Ceanothus parryi A. E. Wieslander 1934-2-24 366 Napa Spring Mountain Calistoga Quadrangle Comment
  UC338132  Ceanothus parryi C. C. Parry 1888-1 Napa Calistoga Comment
  UCD112494  Ceanothus parryi Heidi E. M. Dobson 1978-5-6 319 Napa East slope of Mt. Veeder. 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
  SEINET12210841  Ceanothus parryi W. Knight, Knight, I. 1982-1 4490 Napa From Tilden Botanic Garden, Berkeley Comment
  JEPS42264  Ceanothus prostratus Willis L. Jepson 1893-5-4 14036 Napa Mt. St. Helena Napa River Basin 914 Comment
  UCD112669  Ceanothus prostratus G. Ledyard Stebbins Jr. 1964-5-24 6158 Napa Summit of ridge above Aetna Springs. 822 Comment
  SEINET12210800  Ceanothus prostratus var. occidentalis W. Knight, Knight, I. 1982-1 4670 Napa Tilden Botanic Garden, Berkeley Comment
  CAS-BOT-BC83730  Ceanothus purpureus D. O. Burge; Kari B. Schroeder 2008-3-7 978 b Napa S of Lake Hennessey, 1.8 road miles (2.9 km) S of SR 128 370 Comment
  CDA11159  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11571 Napa North Coast Biodiversity Arena; Howell Mtn., W face, 2-3 mi. W of Angwin, alongside Howell Mtn Rd. Comment
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Jul 28 2008
  CDA29149  Ceanothus purpureus D. G. Kelch, Daniel Weinstein 2008-10-12 8 .308 Napa Nr Skyline Park. Comment
  JEPS105484  Ceanothus purpureus Eva Buxton 2001-4-24 1105 Napa ca 1 mile south of Lake Hennessy, in chaparral on Somona volcanics Comment
  JEPS42096  Ceanothus purpureus Willis L. Jepson 1893-4-28 14027 Napa Milliken Creek, gorge N of Mt. George Napa River Basin Comment
  POM183416  Ceanothus purpureus J. T. Howell 1931-4-2 6067 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  POM230537  Ceanothus purpureus Alice Eastwood, John T. Howell 1937-4-4 s.n. Napa Wooden Valley Grade Comment
  UCD112681  Ceanothus purpureus J. Street 1950-4-24 s.n. Napa 4 miles north of Napa, 2 feet high. Comment
  RSA95277  Ceanothus purpureus J. T. Howell 1931-4-2 6067 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  CDA7076  Centaurea calcitrapa H. K. Wagnon 1967-8-2 Napa 2.4 miles south of Knoxville, Knoxville-Lake Berryessa Road. 0 Comment
  RSA517740  Centaurea calcitrapa Donald G. Nelson 1940-8-7 699 Napa Highway from Napa to Wooden Valley, north slopes of George Mt. Along Sarco Creek (?) 152 Comment
  UCD19324  Centaurea solstitialis M. A. Bibbo; E. Dean 2001-7-6 16 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline on N edge of water hole downslope of the road. 320 Comment
  UC1198628  Centaurium trichanthum Joseph P. Tracy 1938-6-5 15829 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain, Moores Creek 396 Comment
  UC1537512  Centaurium trichanthum Gordon H. True Jr. 1937-7-30 827 Napa near Aetna Springs 365 Comment
  UC22689  Centaurium trichanthum Willis L. Jepson 1895-1 Napa Calistoga Comment
  JEPS106657  Centromadia fitchii Jake Ruygt 1981-7-31 1086 Napa Suscol plain SE of Kaiser Steel 3 Comment
  JEPS38152  Centromadia fitchii W. L. Jepson 1930-10-19 15688 Napa Pope Valley Comment
  UC1034623  Centromadia fitchii Milo S. Baker 1932-5-8 5903 Napa near School House; Mill Creek Canyon 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
  CAS-BOT-BC279252  Centromadia pungens subsp. pungens Peter H. Raven 1951-9-9 3898 Napa Near Slaughterhouse Pt., Napa River 0 Comment
  CAS-BOT-BC279256  Centromadia pungens subsp. pungens David D. Keck 1933-11-10 2725 Napa 6 mi. S. of Napa Comment
  UC421613  Centromadia pungens subsp. pungens John Thomas Howell 1929-10-26 4542 Napa 9 mi n Vallejo Comment
  UCD98040  Cerastium glomeratum K. Esau 1939-5-1 s.n. Napa Napa Valley. Comment
  CAS-BOT-BC179385  Cercis occidentalis John H. Thomas 1955-5-21 5156 A Napa Along State Hwy 128, about 4.5 miles south of Monticello. 167 Comment
  OBI13275  Cercis occidentalis Lewis S. Rose 1955-4-4 55044 Napa Putah Crk, near Monticello Comment
  SBBG29899  Cercis occidentalis E. Crum 1937-4-18 1787 Napa 11 mi N of Monticello on Knoxville Rd Comment
  UCD105661  Cercis occidentalis J. M. Tucker 1950-3-10 1920 Napa Putah Canyon, 9.3 miles west of Winters. Comment
  UCD48886  Cercis occidentalis S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 27 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd, N of jct with Cut-Off Rd. 152 Comment
  SEINET10451038  Cercis occidentalis John T. Middleton 1936-3-21 Middleton 86 Napa Comment
  UCD73438  Cercocarpus betuloides Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  CAS-BOT-BC135484  Cercocarpus betuloides var. betuloides Alice Eastwood 1918-5-1 6839 Napa Mt. St. Helena Comment
  JEPS45534  Cercocarpus betuloides var. betuloides W. L. Jepson 1915-12-6 6583 Napa Howell Mountain Comment
  CAS-BOT-BC284568  Chaenactis glabriuscula var. heterocarpha John Thomas Howell 1931-4-19 6459 Napa Conn Valley Comment
  HSC43957  Chaenactis glabriuscula var. heterocarpha Robert M. Specht 1977-4-19 688 Napa Along drainage running NE from Adams Creek. Comment
  UCD161583  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 2008-4-12 5283 Napa Zim Zim Creek about 1.5 miles northwest of falls. (Coordinates converted from UTM data by label maker.) 438 Comment
  CAS-BOT-BC284567  Chaenactis glabriuscula var. heterocarpha John Thomas Howell 1941-6-22 16321 Napa Hills SW of St. Helena Comment
  JEPS115779  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  UC1925871  Chamaesyce serpyllifolia Ethel Crum Oct 1930 912 Napa Conn Creek Road, Yountville to Pope Valley. Comment
  UC1427385  Cheilanthes covillei Alan R. Smith with J. Eckenwalder 1974-5-1 656 Napa junction of Lower Chiles Valley Rd and State Hwy 128 Comment
  CAS-BOT-BC70163  Cheilanthes gracillima John Thomas Howell 1926-3-28 1763 Napa Summit of Mt. St. Helena Comment
  CHSC102272  Chenopodium album Lowell Ahart 2009-10-12 16435 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
  JEPS59699  Chenopodium ambrosioides W. L. Jepson 1922-10-22 9835 Napa St. Helena Napa River (river bed) Comment
  UCD148776  Chenopodium berlandieri Jake Ruygt 2006-7-22 5076 Napa Rutherford. Napa River north of Zinfandel Lane. 56 Comment
  JEPS106722  Chenopodium californicum Jake Ruygt 1980-3-2 816 Napa Snell Valley 176 Comment
  RSA90500  Chenopodium californicum Anonymous 1936-04 8179 Napa A mile or so north of Knoxville. Comment
  UC924252  Chenopodium multifidum H. S. Reed 1948-11-5 2055 Napa Berryessa Valley Comment
  UC924253  Chenopodium multifidum H. S. Reed 1948-11-5 2028 Napa 2 mi n Monticello; Berryessa Valley Comment
  UCD148778  Chenopodium vulvaria Jake Ruygt 2005-10-8 4953 Napa Napa County; Long Canyon at Berryessa Knoxville Rd. 310 Comment
  CAS-BOT-BC238001  Chloropyron molle subsp. molle Peter H. Raven 1952-8-26 5138 Napa Nr. Bentley Wharf 15 Comment
  LA36522  Chorizanthe polygonoides var. polygonoides J. M. Tucker; 1965-5-15 3827 Napa E side of Devilhead Rd, Cedar Valley, ca mi (airline) S, and a little W, of Knoxville 655 Comment
  UCD99835  Chorizanthe polygonoides var. polygonoides J. M. Tucker 1965-5-15 3827 Napa east side of Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  CAS-BOT-BC36452  Chrysolepis chrysophylla L. R. Abrams 1928-5-4 12280 Napa Mt. St. Helena toll house Comment
  CAS-BOT-BC285218  Cichorium intybus J. H. Thomas 1960-8-29 8837 Napa About 1 mile north of Calistoga along highway number 53 Comment
  JEPS35982  Cichorium intybus W. L. Jepson 1917-8-16 7432 Napa St. Helena 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
  CAS-BOT-BC278020  Cirsium cymosum John Thomas Howell 1940-5-19 15467 Napa St. Helena Creek Canyon near Montesol Comment
  JEPS59306  Cirsium cymosum var. cymosum W. L. Jepson 1938-6-8 18885 Napa w of Pope Valley; South Fork of Butts Creek Comment
  UCD63171  Cirsium douglasii var. douglasii Jake Ruygt 1991-8-4 2817 Napa west of Hunting Creek Campground toward Paradise Valley. 289 Comment
  JEPS59308  Cirsium occidentale var. venustum W. L. Jepson 1937-7-16 18450 Napa about 1 mi above Sanitarium (lower slope of Howell Mt.); Howell Mt., St. Helena Comment
  JEPS59181  Cirsium remotifolium var. odontolepis W. L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  UCD49180  Clarkia affinis M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 20 Napa Quail Ridge UC Reserve, northern tip of peninsula, shaded shallow saddle 50 ft. W of power line near ridge. 274 Comment
  OBI54918  Clarkia affinis Kathleen Faustini 1980-5-4 29 Napa Monticello Dam Comment
  CAS-BOT-BC160918  Clarkia amoena subsp. amoena E. Ruckert 1960-4-29 131 Napa 6495 Dry Creek Road 396 Comment
  UCD104414  Clarkia concinna J. Buck 1996-6-2 21 Napa 5 miles SE of Calistoga along Highway 128. 97 Comment
  CDA38053  Clarkia concinna W. C. Jacobsen Jun 1920 57 Napa Calistoga. 0 Comment
  HSC64520  Clarkia concinna subsp. concinna J. P. Smith, J. O. Sawyer 1970-5-17 3772 Napa 3 mi. S of Pope Valley Comment
  RSA495956  Clarkia concinna subsp. concinna L. D. Gottlieb 1988-5-24 8820 Napa Hwy 128, near bridge over Soda Creek, at mp 18.48, between Spanish Flat Rd and Lower Chiles Valley Rd., N-facing slope on S of roadway. Comment
  UCD164690  Clarkia concinna subsp. concinna L. P. Thibault 1995-6-2 58 Napa South side of Highway 128 approximately 2 miles east of Lower Chiles Valley Road. 300 Comment
  RSA262483  Clarkia concinna subsp. concinna Barrie Stanfield 1966-5-22 51 Napa ca. 5 miles south of Wooden Valley Comment
  JEPS43544  Clarkia gracilis subsp. albicaulis Willis L. Jepson 1897-7-12 14360 Napa Pope Valley to Middleton; Butts Canyon Comment
  UC1234609  Clarkia gracilis subsp. albicaulis Peter H. Raven 1962-5-31 17920 Napa 1.9 mi s Lake County line (on Lower Lake-Knoxville road) Comment
  UCD167104  Clarkia gracilis subsp. tracyi Jake Ruygt 2015-6-13 6125 Napa Sage Canyon Road about 0.5 mi east of Sillverado Trail. 103 Comment
  UCD63363  Clarkia gracilis subsp. tracyi Daniel Sanchez-Mata 2006-6-11 s.n. Napa Turtle Rock-Rutherford. Lower Chiles Valley Road. Chiles Valley. 270 Comment
  CAS-BOT-BC163829  Clarkia purpurea subsp. quadrivulnera Alice Eastwood 1915-6-5 4643 Napa Calistoga Comment
  HSC82082  Clarkia purpurea subsp. quadrivulnera Thomas W. Nelson, Jane P. Nelson 1980-5-3 5135 Napa Along St. Helena-Pope Valley Rd., 1 mi. W of Angwin Comment
  JEPS110774  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1987-5-16 1997 Napa Devil's Canyon near waterfall 594 Comment
  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
  CHSC11355  Claytonia exigua subsp. exigua Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  RSA195386  Claytonia exigua subsp. exigua Gilbert Muth 1967-4-9 602 Napa Aetna Spring Road. 305 Comment
  JEPS112611  Claytonia parviflora subsp. parviflora Jake Ruygt 1989-4-8 2253 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  UCD41465  Claytonia perfoliata Ellen Dean; Deborah Canington 2003-3-1 1362 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
  UCD67495  Claytonia perfoliata D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  UCR12051  Claytonia perfoliata Coleta A. Lawler 1964-3-24 04 Napa Henry Road, c. 0.5 mi. from junction with Buhman Avenue, c. 3 mi. west of Napa 8 Comment
  CAS-BOT-BC439793  Claytonia perfoliata Betty H. Johnson 1958-6-15 635 Napa 1/2 mi. above Mt. Mill House, 6.4 mi. S-W. of Middletown Comment
  UCD117482  Claytonia perfoliata subsp. perfoliata Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 8 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside near drainage pipe. 519 Comment
  CAS-BOT-BC91450  Clematis lasiantha Peter H. Raven 1952-5-26 4062 Napa Near Walter's Springs. 170 Comment
  CAS-BOT-BC92683  Clematis ligusticifolia Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville. Comment
  UC1607971  Clematis ligusticifolia Donald G. Nelson 1940-8-7 718 Napa s of Pope Valley and east of St. Helena (along Soda Creek, Chiles Valley, Inner Coast Range Mts.); Inner Coast Range Mts., Chiles Valley, Soda Creek 85 Comment
  CAS-BOT-BC474510  Collinsia heterophylla Ellen Dean; D. Potter; D. Hickson; R. Ruygt; C. Donkers 2015-5-2 8672 Napa Knoxville Wildlife Area. Calif. Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. Along Nevada Creek. 470 Comment
  CHSC108730  Collinsia heterophylla B. Castro; L. P. Janeway 2002-5-12 1358 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 505 Comment
  HSC44029  Collinsia heterophylla Robert M. Specht 1977-5-14 887 Napa Near Jct. of Develhead Rd. and Morgan Valley Rd. (Knoxville-Berryessa Rd.) 457 Comment
  JEPS118638  Collinsia heterophylla B. Castro and L. P. Janeway 2002-5-12 1358 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. Jericho Valley 7.5' quad. Comment
  OBI54927  Collinsia heterophylla Kathleen Faustini 1980-5-4 26 Napa Roadside by Monticello Dam Comment
  UCD14916  Collinsia heterophylla Helen West 1977-4-29 4 Napa East Bull Canyon, 6.3 miles southwest of Monticello Dam off of Road 128; 182 Comment
  CAS-BOT-BC94519  Collinsia sparsiflora R. C. Wenk; E. S. Wenk 2006-4-30 437 Napa Robert Louis Stevenson State Park. Trail going E from Highway 29 parking lot for trail to Mt. St. Helena, 1/2 mile from Comment
  RSA734135  Collinsia sparsiflora Keith E. Hoffmaster 1946-3-23 1244 Napa Napa range, along Napa-Monticello road. Comment
  CDA11336  Collinsia sparsiflora var. arvensis G. F. Hrusa 1995-4-2 12046 Napa North Coast Biodiversity Arena; Franz Valley School Rd. approx 1 m E of Napa/Sonoma County line. Comment
  JEPS112522  Collinsia sparsiflora var. arvensis Jake Ruygt 1996-3-23 3530 Napa .3 mile from Pope Canyon Road on Hardin Road, near airstrip. 184 Comment
  UC903162  Collinsia sparsiflora var. arvensis Ethel Crum 1937-4-19 1778 Napa 6 mi n of Napa (Napa Range, Mount George); Napa Range, Mount George 304 Comment
  JEPS15592  Collinsia sparsiflora var. arvensis Rimo Bacigalupi with John Dawson 1955-4-25 4844 Napa 0.75 mi w, below Lake Hennessey Dam (along Conn Creek rd) 79 Comment
  JEPS29591  Collinsia sparsiflora var. arvensis Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8448 Napa near site of Atlas Peak School (along Atlas Peak rd, at bottom of Foss Valley); Milliken Creek drainage 438 Comment
  JEPS112529  Collinsia sparsiflora var. collina Jake Ruygt 1982-5-16 1268 Napa .2 mile south of Foss Valley on Atlas Peak Rd. 420 Comment
  UCD170677  Collinsia sparsiflora var. sparsiflora Matthew Conner; Plant Science 102 class 2018-4-28 13 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
  UC885506  Collinsia sparsiflora var. sparsiflora Lewis S. Rose 1939-4-16 39072 Napa 10 mi ne of Napa (Wooden Valley); Wooden Valley Comment
  JEPS7295  Collinsia tinctoria W. L. Jepson 1904-6-4 2451 a Napa Keller Ranch, Calistoga Keller Ranch Comment
  JEPS41088  Collomia diversifolia Rimo Bacigalupi, and L. R. Heckard 1965-5-15 9089 Napa 0.5 mi se Devilhead Road (from Knoxville to Cedar Valley) (headwaters of Zim Zim Creek, ne Napa County); Zim Zim Creek 487 Comment
  CLARK-A1528-3461  Collomia heterophylla John C. Roos 1939-4-26 260 Napa Angwin Comment
  JEPS110954  Collomia heterophylla Jake Ruygt 1997-3-23 3813 Napa Small peak (Kujo) south of Bismark Knob 612 Comment
  RSA10667  Collomia heterophylla C. B. Wolf 1928-5-3 1822 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA92933  Collomia heterophylla P. H. Raven 1951-6-26 3067 Napa Wooden Valley Grade 305 Comment
  UCD126136  Convolvulus arvensis M. R. Wanzer 1948-5-6 15 Napa Putah Canyon, 9 miles west of Winters. Comment
  JEPS122707  Conyza canadensis Jake Ruygt 1989-10-2 2419 Napa South Shore of Lake Hennessey along Sage Canyon Road. Quad: Yountville. Comment
  JEPS112551  Cordylanthus pilosus subsp. pilosus Jake Ruygt 1981-7-15 1063 Napa Redwood Rd., 1.5 miles north of Brown's Valley Rd. 121 Comment
  JEPS41126  Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-5 9138 Napa western end Calistoga (on Calistoga grade of Calif. Hwy 29; 6.6 mi from junction of Calif. Hwy 29 and 128) Comment
  JEPS6801  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1944-7-30 27539 Napa Four Corners Napa Range, Howell Mountain 426 Comment
  JEPS7001 Image available Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-9 4750 Napa grade over shoulder Mt. St. Helena (road from Calistoga to Middletown, near Hanley's Resort) Comment
  JEPS112550  Cordylanthus pringlei Jake Ruygt 1969-12-31 3779 Napa HWY 29, .15 mile fron Lake County line. 463 Comment
  JEPS62597  Cordylanthus tenuis subsp. brunneus T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 A Napa just s of Napa and Lake County Line (on U.S. Highway 29); U.S. Highway 29 Comment
  JEPS69351  Cordylanthus tenuis subsp. brunneus T. I. Chuang 1972-7-8 7061 Napa just s Napa and Lake Co. line (on Hwy 29) Comment
  JEPS50117  Cornus glabrata W. L. Jepson 1924-5-8 10416 Napa e. Napa Co., Pope Creek Comment
  SBBG5315  Cornus glabrata H. and M. Dearing 1939-5-3 3265 Napa Childs Valley Comment
  UCD47955  Cornus glabrata Ryan Knox; E. McDermott and G. Walden 2002-4-13 1 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of road, from Knoxville Creek's bank. 131 Comment
  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
  POM298446  Cornus nuttallii H. C. Cantelow 1936-3-22 s.n. Napa Howell Mt. Comment
  UC127159  Cornus sericea subsp. sericea Harley P. Chandler Sep 7 1906-Sep 14 1906 7150 Napa Alta Loma Ranch 487 Comment
  POM339717  Corylus cornuta var. californica F. R. Fosberg 1967-9-10 48646 Napa Near Haven Place above St. Helena, Napa Valley. Comment
  UCD161216  Crocanthemum scoparium Jake Ruygt 1989-7-1 2393 Napa Mt. Vaca. 755 Comment
  UC1189969  Crocanthemum scoparium var. vulgare John H. Thomas 1955-5-21 5107 Napa about 6 mi from Napa (near State Highway 37, Sarco Creek drainage); Sarco Creek 243 Comment
  SEINET1910014  Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-1 7963 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge 91 Comment
  JEPS67599  Cryptantha flaccida W. L. Jepson 1904-6-3 2443 Napa Howell Mt. Napa Range 792 Comment
  JEPS106738  Cryptantha hispidula Jake Ruygt 1980-6-29 949 Napa across HWY from Circle Oaks 304 Comment
  UC998323  Cryptantha hispidula Milo S. Baker 1938-4-29 8939 Napa e of Pope Valley (along road from Monticello) Comment
  UCD160650  Cryptantha hispidula Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8736 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  UC1278106  Cryptantha hispidula Beecher Crampton 1955-4-7 2442 Napa 0.5 mi nw Knoxville (ne Napa County) Comment
  SD106148  Cryptantha intermedia W. L. Jepson 1938-5-25 18 861 Napa Bell Canyon, Howell Mountain, Napa Range 580 Comment
  JEPS106881  Cryptantha muricata Jake Ruygt 1996-4-12 3603 b Napa Blue Ridge, north of Monticello Dam. 621 Comment
  UC857199  Cryptantha muricata Milo S. Baker 1940-5-29 9660 Napa summit w of Calistoga (on Calistoga-Santa Rosa Hwy, a few hundred feet w, lower down on se corner of ranch,) Comment
  JEPS106880  Cryptantha torreyana Jake Ruygt 1998-6-20 4044 Napa On Palisades trail from RLSSP, east of Table Rock. 701 Comment
  CDA1806  Cupressus macnabiana D. G. Kelch, D. A. Weinstein 1995-4-1 s.n. Napa Along Knoxville-Berryessa Rd nr large mine. Comment
  POM182662  Cupressus macnabiana D. D. Keck 1931-4-3 1101 Napa 2 miles northeast of Aetna Springs, northern Napa County 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
  UC1607977  Cupressus macnabiana Donald G. Nelson 1940-8-7 705 Napa ca. 2 mi. n.w. Knoxville (at the sign of the Manhattan Mines); Inner Coast Range Comment
  UCD133528  Cupressus macnabiana D. Mattson 1969-10-18 9 Napa Knoxville Public Lands. Comment
  UCD47751  Cupressus macnabiana J Waggoner; E. Anderson, L. Lina, A. Miles, and R. Wenk. 2000-4-22 14 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  RSA96667  Cupressus macnabiana Percy C. Everett, E. K. Balls 1954-10-19 20371 Napa 3.9 miles NW of Knoxville on road to Lower Lake. 610 Comment
  CAS-BOT-BC85487  Cupressus sargentii Carl Brandt Wolf; E. R. Johnson 1934-10-16 2149 Napa above Aetna Springs about 1/2 mi. SW of Quicksilver Mine 457 Comment
  CDA11162  Cupressus sargentii G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11574 Napa North Coast Biodiversity Arena; 2 m. NW of Aetna Springs along Schwartz Ck. Rd. Comment
  JEPS56136  Cupressus sargentii Donald V. Hemphill 1968-7-13 Napa sw of Lake Berreyessa (Cedar Roughs); Cedar Roughs 609 Comment
  RSA129445  Cupressus sargentii A. E. Wieslander 1934-2-25 371 Napa Calistoga - Middletown: 3 miles east of Mt. St. Helena 610 Comment
  RSA6530  Cupressus sargentii Elmer I. Applegate 1931-3-25 6621 Napa Near Mountain House, east base of Mt. St. Helena, northern Napa County Comment
  UC1083198  Cupressus sargentii H. L. Mason 1926-1-2 2606 Napa Toll House Canyon to Mt. St. Helena Comment
  UCD167649  Cupressus sargentii Andrew Fulks 2015-3-21 s.n. Napa Cedar Roughs Wilderness Area, west of Lake Berryessa. 552 Comment
  UCD167093  Cuscuta brachycalyx Jake Ruygt 2015-7-4 6146 Napa Missimer -Snell Valley Preserve. 180 Comment
  UCD167137  Cuscuta howelliana Jake Ruygt 2015-5-23 6108 e Napa West of Buck Mountain. 599 Comment
  JEPS116547  Cuscuta pentagona Jake Ruygt 1979-6-30 730 Napa 0.15 mile north of Ragatz Lane on Highway 29. 7.5' Yountville Quad. Comment
  JEPS129107  Cuscuta subinclusa Jake Ruygt 2015-6-20 6141 Napa Butts Canyon Road south of Snell Valley Road. Aetna Springs 7.5' Quad. Comment
  UCD167098  Cuscuta subinclusa Jake Ruygt 2015-6-13 6130 Napa Fernandes - Snell Peak, Land Trust. 360 Comment
  SEINET891444  Cuscuta subinclusa Harley P. Chandler 1906-1 7124 Napa Alta Loma Ranch. Howell Mountain. 487 Comment
  HSC3636  Cynoglossum grande Greg Bos 1963-3-3 23 Napa W shore of Lake Berryesa, S slope of Hill. 183 Comment
  UCD117918  Cynoglossum grande Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd., in between entrance and fire station. 520 Comment
  UCD170144  Cynoglossum grande Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 733 Napa Knoxville Wildlife Area. 311 Comment
  RSA0045600  Cynoglossum grande Keith E. Hoffmaster 1946-3-9 1039 Napa Napa range, near summit along Napa-Monticello road. Comment
  CAS-BOT-BC114721  Cyperus difformis John Thomas Howell 1932-10-8 10798 Napa Wet soil of roadside hollow, 7 mi S of Napa. Comment
  CHSC102305  Cyperus erythrorhizos Lowell Ahart 2009-10-12 16458 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. 437 Comment
  JEPS115959  Cyperus erythrorhizos Lowell Ahart 2009-10-12 16458 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Win 133 Comment
  CAS-BOT-BC113822  Cyperus niger var. capitatus Peter H. Raven 1952-8-28 5163 Napa Road just above Napa Soda Springs (Soda Canyon Road) 243 Comment
  CAS-BOT-BC70647  Cystopteris fragilis Carl B. Wolf 1928-5-3 1842 Napa base of Mt. St. Helena Comment
  JEPS122994  Danthonia californica Jake Ruygt 1992-5-15 2957 Napa NW of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mount George. Comment
  UC185006  Danthonia californica J. P. Tracy 1902-5-21 1612 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 518 Comment
  UCD60992  Danthonia californica Beecher Crampton 1956-5-25 3488 Napa Along the headwaters of Sarco Creek, Howell Mtns. Comment
  RSA431669  Datisca glomerata E. S. Spalding 1924-7-4 s.n. Napa Near St. Helena; canyon beyond White Sulphur Springs. Comment
  UCSB4261  Datisca glomerata Kamb, Peter 1950-6-9 Napa 5 miles south of Monticello, on California #37 Comment
  UC657703  Datura wrightii Mrs. Hess 1941-8-27 10170 Napa near bridge at St. Andrews Camp Mt. St. Helena Comment
  UCD47830  Daucus pusillus A. Haselby; M. Carson, S. Howard, and P. Mayers 2000-4-29 6 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  JEPS126255  Deinandra corymbosa Devin Jokerst with Sarah Lynch 2016-5-25 Napa American Canyon. The undeveloped property is located west of Highway 29 and north of Green Island Road. Comment
  UCD161345  Deinandra corymbosa Jake Ruygt 1986-5-5 1745 Napa West side of Mt. George. (Coordinates estimated by label maker at UC Davis). 326 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-BC10199  Delphinium hesperium P. H. Raven 1951-6-10 2931 Napa Crater Region E of Palisades 762 Comment
  CAS-BOT-BC10195  Delphinium hesperium Belle R. Jackson 1930-6-8 s.n. Napa Old Toll Road near Toll House, N side of Mt. St. Helena Comment
  UC1031409  Delphinium hesperium H. Lewis and G. Mehlquist 1941-5-9 Napa Monticello to Napa rd 1.5 mi s road to St. Helena Comment
  JEPS127855  Delphinium hesperium subsp. pallescens Adam C. Schneider with Will Freyman 2014-5-17 600 Napa Shadhiliyya Sufi Center at Walter Springs (accessed via turnoff from Pope Canyon Road). 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
  UC130936  Delphinium nudicaule Katharine Brandegee 1909-6-1 Napa from Calistoga; Pope Valley Grade Comment
  CAS-BOT-BC9811  Delphinium nudicaule Belle R. Jackson 1930-6-8 s.n. Napa On Old Toll Road below Patten's Mt. St. Helena region Comment
  SEINET12093074  Delphinium nudicaule F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -307 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  UC906516  Delphinium nudicaule J. Ewan 1934-3-18 8662 Napa 5 mi above Napa (side gulch); Sarco Creek Comment
  SEINET10762770  Delphinium nudicaule var. foliosum George Thurber Thurber 511 Napa Comment
  RSA10655  Delphinium patens Carl B. Wolf 1928-5-3 1834 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  RSA195349  Delphinium patens Gilbert Muth 1967-5-19 697 Napa Milliken Dam. 335 Comment
  CAS-BOT-BC116484  Delphinium patens subsp. patens Saichi Kawahara 1968-4-20 350 Napa 2 miles south of Pope Valley, Chiles-Pope Valley Road, Napa Valley 259 Comment
  JEPS23343  Delphinium uliginosum J. P. Tracy 1899-6-13 354 Napa Howell Mt. Comment
  POM150572  Delphinium uliginosum C. F. Baker 1903-5-8 s.n. Napa Knoxville. Comment
  UCD63750  Delphinium uliginosum Daniel. Sanchez-Mata; Emin Ugurlu 2006-6-23 s.n. Napa Knoxville. Knoxville Devilhead Road. Cedar Valley. Cedar Creek. UC MacLaughlin Natural Reserve. BLM area. 500 Comment
  UCD74351  Delphinium uliginosum G. Ledyard Stebbins 1967-5-30 6522 Napa Cedar Valley, south of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS60635  Delphinium variegatum Elizabeth Ferguson 1920-5-15 346 Napa Pope Creek and Howell Mountain Comment
  UCD170205  Delphinium variegatum subsp. variegatum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 752 Napa Knoxville Wildlife Area, east of Berryessa-Knoxville Road. 246 Comment
  JEPS62392  Delphinium variegatum subsp. variegatum W. L. Jepson 1938-5-18 18800 Napa on slope above St. Helena Sanitarium; Howell Mountain Comment
  RSA0102440  Delphinium variegatum subsp. variegatum Mildred E. Mathias 1938-4-24 1334 Napa E side of Mt St. Helena. 457 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
  UCD167245  Dendromecon rigida Jake Ruygt 1991-4-17 2625 Napa Long Ranch, on ridge south of Lake Hennessey. 365 Comment
  CAS-BOT-BC627  Dendromecon rigida subsp. rigida Carl B. Wolf 1928-5-4 1850 Napa Mt. St. Helena Comment
  JEPS41080  Deschampsia cespitosa subsp. cespitosa Rimo Bacigalupi and L. R. Heckard 1965-5-15 9098 Napa ca. 7 mi. s.-s.e. Knoxville (head of Devilhead Rd., Cedar Creek); Cedar Valley, Cedar Creek 594 Comment
  POM365009  Deschampsia cespitosa subsp. cespitosa P. H. Raven 1965-5-15 20210 Napa Cedar Valley, vicinity of Knoxville. 61 Comment
  CAS-BOT-BC198144  Deschampsia danthonioides Joseph P. Tracy 1903-5-15 1854 Napa Napa Valley near Calistoga 91 Comment
  UC1023588  Deschampsia danthonioides Virginia Bufford 1937-5-9 449 Napa Calistoga Geysers Comment
  UC53586  Deschampsia danthonioides Willis L. Jepson 1893-1 Napa Napa Valley, Napa R. Basin Comment
  UC3238  Dichelostemma capitatum Willis L. Jepson 1893-5-2 Napa New Pope Valley grade Napa River Basin Comment
  JEPS64148  Dichelostemma capitatum W. L. Jepson 1937-5-15 18782 a Napa Napa Wye Comment
  RSA638889  Dichelostemma capitatum Mark Harder 1977-4-16 4 a Napa 6.4 miles SW of Monticelo Dam along Hwy 128. 183 Comment
  UC3246  Dichelostemma capitatum Willis L. Jepson 1893-1 Napa e of St. Helena; Napa River Basin Comment
  UCD14947  Dichelostemma capitatum Jonathan M. Irvine 1977-4-16 100 Napa California, Napa Co.; 6.4 miles SSW of Monticelo Dam along Highway 128. 182 Comment
  JEPS110908  Dichelostemma capitatum subsp. capitatum Jake Ruygt 1982-2-24 1107 Napa Calistoga Grade, Mt. St. Helena 350 Comment
  UCD159913  Dichelostemma capitatum subsp. capitatum Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. West section. Near Q43. 243 Comment
  RSA195380  Dichelostemma capitatum subsp. capitatum Gilbert Muth 1967-4-16 637 Napa Snell Valley. 183 Comment
  UCD160771  Dichelostemma congestum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8650 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  CAS-BOT-BC502159  Dichelostemma congestum Peter H. Raven 1957-5-5 10773 Napa Hills at the western edge of Calistoga 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
  UCD18162  Dichelostemma volubile Eva Bayon; with PLB 102 class 2000-4-29 s.n. Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CAS-BOT-BC150364  Diplacus aurantiacus Peter H. Raven 1952-5-31 4127 Napa S.W. of Rector Canyon 152 Comment
  CHSC83411  Diplacus aurantiacus L. P. Janeway; B. Castro 2002-5-12 7547 Napa Inner North Coast Ranges. Northeast-facing slope along Devilhead Road 0.8 km south of Berryessa-Knoxville Road and Knoxville Creek. 488 Comment
  SEINET13682807  Diplacus aurantiacus M. J. Williams 1967-5-7 s.n. Napa Howell Mountain [Road?], between St. Helena and Angwin. 259 Comment
  SJSU10417  Diplacus aurantiacus J. Paravantes 1973-5-5 Napa Soda Canyon Rd 5 mi N of intersection with Siverado Trail (rd) 304 Comment
  CAS-BOT-BC153407  Diplacus layneae J. P. Tracy 1902-5-19 1544 Napa Head of Moore's Creek, 3-4 miles East of Angwin's 426 Comment
  CAS-BOT-BC153408  Diplacus layneae J. W. Stacey 1933-5-15 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC153330  Diplacus layneae Peter H. Raven 1951-6-10 2915 Napa Crater Region, e. of Mt. St. Helena 762 Comment
  JEPS8807  Dipsacus fullonum W. L. Jepson 1936-5-30 17563 Napa Napa Valley, Rutherford Rutherford; Napa Valley, Rutherford Comment
  UC126466  Dipsacus fullonum Harley P. Chandler Sept. 7 to 14, 1906 7130 Napa Alta Loma Ranch Howell Mountain Comment
  JEPS8810  Dipsacus sativus W. L. Jepson 1936-5-30 17561 Napa Napa Valley, Rutherford Rutherford; Napa Valley, Rutherford Comment
  UC3565  Disporum hookeri Willis L. Jepson 1894-5-1 Napa Napa River Basin, Rebecca Ranch Grade Napa River Basin; , Rebecca Ranch Grade Comment
  RSA52659  Disporum hookeri var. hookeri I. L. Wiggins 1949-4-30 12088 Napa E flank of Mt St Helena. 915 Comment
  JEPS122985  Distichlis spicata Jake Ruygt 1982-6-29 1352 Napa Tubbs Lane at Myrtledale Road, Calistoga. Quad: Calistoga. Comment
  UCD64179  Distichlis spicata Beecher Crampton 1956-5-21 3445 Napa Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  UC105761  Dodecatheon hendersonii Brandegee Apr 1889 Napa Mt. St. Helena Comment
  UCD18044  Dodecatheon hendersonii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 595 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
  POM287485  Dodecatheon hendersonii Lyman Benson 1931-2-26 s.n. Napa 4 mi n of Calistoga, Mayacamas Mt. Range. Napa watershed. Northslope. Beneath oaks; base of Mt. St. Helena. 244 Comment
  UCD75836  Downingia concolor var. concolor Jake Ruygt 1993-5-1 3245 Napa Pope Canyon Rd. at large vernal pond. 187 Comment
  UCR23631  Draba verna var. aestivalis John C. Roos 1939-2-21 299 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  CAS-BOT-BC70948  Dryopteris arguta Carl B. Wolf 1928-5-3 1841 Napa base of Mt. St. Helena Comment
  CDA11616  Dryopteris arguta G. F. Hrusa, G. L. Stebbins 1994-3-11 11614 Napa North Coast Biodiversity Arena; Las Posadas State Forest, immediately E of Fire Station. Comment
  UCD136448  Dryopteris arguta D. H. Hartmann 1942-3-7 s.n. Napa In Green Valley. Comment
  SEINET267031 Image available Dryopteris filix-mas Royal D. Suttkus 1967-6-26 673031 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  JEPS49935  Dudleya caespitosa W. L. Jepson 1936-5-29 17553 Napa Adam-and-Eve Ridge Howell Mtn Comment
  SD95159  Dudleya cymosa Susan Danford 1964-5-8 25 Napa On creek just east of State Highway 128, 3.0 miles southwest of Monticello Dam. Comment
  UC830917  Dudleya cymosa Milo S. Baker 1932-5-7 5994 Napa 7-8 mi Monticello (Pope Creek) 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
  JEPS115733  Echinochloa colona Lowell Ahart 2009-10-12 16463 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 133 Comment
  CAS-BOT-BC445573  Echinodorus berteroi James L. Reveal 1987-6-7 6409 Napa Along California Highway 128 at the upper end of Lake Hennessey on meadowy flats just west of the turnoff to the Chiles and Pope Valley road, about 6.5 airline miles east-southeast of St. Helena Comment
  UCSB283  Echinodorus berteroi Keator, Glenn 1959-6-22 Napa On the southeast shore of Lake Hennessy, Napa range Comment
  JEPS7759  Eclipta prostrata Peter H. Raven 1951-10-28 Napa Conn Lake 152 Comment
  RSA92936  Eclipta prostrata Peter H. Raven 1951-10-28 3941 Napa Conn Lake. 152 Comment
  JEPS129120  Eleocharis coloradoensis Jake Ruygt 2010-8-24 5755 Napa Barton Hill, northwest shore of Lake Berryessa. Walter Springs 7.5' Quad. Comment
  UCD61848  Elymus glaucus M. Wiesendanger 1927-5-4 702 Napa Monticello, Napa Road. Comment
  JEPS84680  Elymus glaucus subsp. glaucus John W. Willoughby 1979-5-25 4327 Napa top of ridge just above Pansy Flat (flat is about 1 mi s of Signal Hill just below and to w of Blue Ridge); Vaca Mountains 609 Comment
  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
  CAS-BOT-BC234136  Elymus multisetus Peter H. Raven 1952-5-31 4143 Napa Summit of hills SW of Rector Canyon 304 Comment
  UCD166680  Emmenanthe penduliflora var. penduliflora Jake Ruygt 1996-6-1 3730 Napa Hwy 128 about 3/4 mile north of Turtle Rock Cafe. 259 Comment
  JEPS110696  Epilobium brachycarpum Jake Ruygt 1992-5-6 2947 Napa Wild Horse Valley Ranch, west of Mitten Lake 420 Comment
  UC127472  Epilobium brachycarpum Harley P. Chandler Sep 7 1906-Sep 14 1906 7121 Napa Alta Loma Ranch Howell Mountain 487 Comment
  SD7370  Epilobium brachycarpum Daniel Cleveland 1882-8-28 Napa Springs (see supplement) Comment
  RSA505681  Epilobium canum subsp. canum Gordon H. True Jr. 1937-10-12 844 Napa Road cut on road from Napa to Lokoya Lodge 305 Comment
  UC1299425  Epilobium canum subsp. canum Freed W. Hoffman 1946-8-20 850 Napa Trinity Road North Coast Ranges, Dry Creek Comment
  UCD143101  Epilobium canum subsp. canum E. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 773 Napa Quail Ridge Reserve. SW corner of Lake Beryessa, along South Decker Canyon Road, S of junction with Cut-off Road. 176 Comment
  CAS-BOT-BC171952  Epilobium canum subsp. latifolium T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain 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
  UCD67613  Epilobium canum subsp. latifolium D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-10 s.n. Napa Lake Berryessa. Near Monticello Dam. 180 Comment
  JEPS2500 Image available Epilobium densiflorum Willis L. Jepson 1893-6-26 14390 Napa stream beds Napa River Basin, Howell Mt.; Howell Mt., Napa River Basin Comment
  JEPS110714  Epilobium minutum Jake Ruygt 1981-5-6 1017 Napa .2 mile east of Walter Springs on Pope Canyon Rd. 182 Comment
  UCD106508  Epilobium minutum Wayne Stoner 1978-4-22 6 Napa West end of Capell Valley. 300 Comment
  UCD167253  Epilobium minutum Jake Ruygt 1983-4-17 1433 Napa Red Hill, Mt. St. Helena. 655 Comment
  UCD69077  Epilobium minutum P. Rodriguez-Rojo 1997-5-31 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UCD167250  Epilobium torreyi Jake Ruygt 1991-5-18 2676 Napa Fawn Lake, Friesen's Lakes. 609 Comment
  UCD138932  Epipactis gigantea Stephen Clement 1973-5-18 65 Napa at the junction of Snell Valley Road and Butts Canyon Road. 274 Comment
  UCD167052  Equisetum laevigatum Jake Ruygt 1991-5-11 2663 Napa Scott's Flat, Aetna Mine Road. 481 Comment
  UCD167087  Equisetum laevigatum Jake Ruygt 2010-4-25 5523 Napa Putah Creek near confluence with Hunting Creek. 179 Comment
  HSC100734  Eragrostis hypnoides Lowell Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa, along Capell Creek, NE of rest area, 3/4 mi. NE of Hwy. 128 on Berryessa Knoxville Rd., 3/4 mi. SW of Capell Cove Launch Ramp, 19 (air) mi. W of Winters. 133 Comment
  UC1950194  Eragrostis hypnoides Barbara Ertter with Elizabeth Neese 1988-10-2 7972 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge Comment
  CAS-BOT-BC204630  Eragrostis mexicana subsp. virescens Peter H. Raven 1951-10-28 3932 Napa Conn Lake, strand at w. end 152 Comment
  JEPS106946  Erigeron foliosus var. franciscensis Jake Ruygt 1995-7-6 3512 Napa Niebaum Lane, Niebaum-Coppola Estate. 131 Comment
  CAS-BOT-BC295129  Erigeron greenei John Thomas Howell 1933-8-27 11625 Napa Sage Canyon, Napa Range Comment
  UCD164737  Erigeron greenei Jake Ruygt 2014-6-23 6012 Napa Sutro Ranch southeast, Atlas Peak. 731 Comment
  OBI16542  Erigeron greenei Robert F. Hoover 1966-8-23 9923 Napa E side of Mt St. Helena. 1/2 mi from Lake Co line Comment
  POM264143  Erigeron inornatus var. biolettii J. C. Roos 1939-4-16 252 Napa Angwin. Comment
  UCD161621  Erigeron petrophilus var. petrophilus Jake Ruygt 2004-8-28 4652 Napa southwest of Bear Valley on ridge, east of 'Cub Valley'. 719 Comment
  CHSC102290  Erigeron sumatrensis Lowell Ahart 2009-10-12 16419 Napa At the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  RSA60356  Eriodictyon californicum G. R. Campbell 1948-6-18 659 Napa 10 miles south of Montecello Comment
  SBBG14310  Eriodictyon californicum L. B. Hendrix 1962-5-5 40 Napa SE end of Lake Berryessa, just W of Monticello Dam on Rd along lake Comment
  UCD49083  Eriodictyon californicum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 22 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 200 m up Cut-Off Rd. from South Decker Canyon Rd. 213 Comment
  SBBG28195  Eriogonum dasyanthemum S. G. Stokes 1933-8-27 91 Napa upper part of Sage Valley, near Chiles School, Napa Mtns Comment
  RSA128800  Eriogonum dasyanthemum Peter H. Raven 1951-10-28 3954 Napa Road 4 miles south of Knoxville 366 Comment
  CAS-BOT-BC266056  Eriogonum luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa Mountains Comment
  JEPS96714  Eriogonum luteolum var. luteolum Dean W. Taylor 1998-5-20 16449 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  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
  UC85728  Eriogonum luteolum var. luteolum T. S. Brandegee Aug. 1892 Napa Calistoga Comment
  UCD164746  Eriogonum luteolum var. luteolum Jake Ruygt 2014-6-7 5971 Napa Livermore Ranch, Montesol. 664 Comment
  UCD18119  Eriogonum luteolum var. luteolum K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 56 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
  JEPS56166  Eriogonum luteolum var. luteolum W. L. Jepson October, 1894 Napa Napa Co. Comment
  JEPS56172  Eriogonum luteolum var. luteolum W. L. Jepson 1894-7-19 Napa on Toll Road near school-house; Mt. St. Helena Comment
  LA206909  Eriogonum luteolum var. luteolum Marcus E. Jones; 1931-7-5 Napa The Geysers Comment
  OBI47600  Eriogonum nudum L. F. LaPre & R. Bjork, R. Bjork 1986-7-13 s.n. Napa Hunting Crk, 1/2 mi S of Dunnigan Hill (Jericho Valley 7.5' quad) 335 Comment
  CAS-BOT-BC268980  Eriogonum nudum var. auriculatum John Thomas Howell 1930-7-13 5345 Napa Lower slopes of Mt. St. Helena Comment
  RSA491734  Eriogonum nudum var. auriculatum James L. Reveal 1987-6-7 6408 Napa Along California Highway 128 near Sage Creek, 1.8 mile east of the junction of the Chiles and Pope Valley Road and 2.9 miles southwest of the junction of Lower Chiles Valley Road 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
  UCD164789  Eriogonum nudum var. oblongifolium Jake Ruygt 1981-5-27 1049 Napa American Canyon, .4 mile east of Flosden Road. 152 Comment
  SBBG64259  Eriogonum roseum J. T. Howell 1930-10-19 5604 Napa Conn Crk near entrance of Sage Cyn, Napa Valley Comment
  JEPS56163  Eriogonum vimineum Willis L. Jepson 1893-9-24 Napa Angwin's Meadow Howell Mt., Angwin's Meadow Comment
  POM358025  Eriophyllum lanatum var. achilleoides L. S. Rose 1934-5-23 34275 Napa N slope of Mt. St. Helena Comment
  SBBG8172  Eriophyllum lanatum var. achilleoides H. and M. Dearing 1939-5-3 3161 Napa near Napa Comment
  SFV5089  Eriophyllum lanatum var. achilleoides B. C. Templeton 1957-6-27 s. n. Napa Calistoga. Near Hill and Connors ranches. Comment
  UC165864  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1904-5-23 2092 Napa near Calistoga (e side of Napa Valley); Northern Coast Ranges, Napa Valley 243 Comment
  JEPS106706  Erodium cicutarium Jake Ruygt 1992-4-2 2872 b Napa Wild Horse Valley Ranch, Johnson's meadow 451 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
  JEPS17445  Eryngium aristulatum var. aristulatum Willis L. Jepson 1893-4-26 14276 Napa Rutherford Comment
  UCD160709  Eryngium castrense Ellen Dean; Jake Ruygt 2015-5-23 8768 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  UC673520  Erysimum capitatum H. L. Mason 1926-3-14 2725 Napa Mount St. Helena Comment
  UC917132  Erysimum capitatum W. M. Grannell 1950-4-27 2 Napa rocky hillside Putah Canyon Comment
  UCSC009038  Erythranthe guttata Dylan M. Neubauer 2015-4-26 140 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  SD7071  Erythranthe moniliformis Brandegee Sept 1888 Napa Howell Mt. Comment
  SEINET4678009  Erythranthe nasuta Unknown 1961-4-29 35 Napa Wragg Canyon, 1/4 mile north of State Highway 128.; 0 152 Comment
  SEINET13727996 Image available Erythranthe nudata J. M. Tucker 1965-1 3826 Napa Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  SJSU1353  Erythronium californicum J. W. Tilden 1953-5-24 1040 Napa NE slope Mt St Helena 457 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
  JEPS120345  Erythronium helenae Jake Ruygt 2003-3-22 4480 Napa Snell Valley/Missimer Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  SEINET882372 Image available Erythronium helenae Elmer I. Applegate 1932-1 7037 Napa Volcanic crater region of Mount St. Helena. Comment
  UC672118  Erythronium helenae Herbert L. Mason 1926-3-14 2734 Napa e side of mountain Mount S. Helena, Toll House Canyon Comment
  SEINET8395970  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa volcanic crater region of Mt. St. Helena, northern Napa County; steep northerly slope just east or the Palisades on old stage road. Comment
  CAS-BOT-BC402799  Eschscholzia caespitosa Peter H. Raven 1952-5-26 4059 Napa Nr. Walter's Springs 170 Comment
  RSA785708  Eschscholzia caespitosa Carrie A. Herd 1982-5-9 92 Napa Trinity, Dry Creek Road, 0.5 mi. E. of Mt. Veeder Rd. Comment
  UC410441  Eschscholzia caespitosa Alice Eastwood 1930-4-13 17925 Napa canyon between Monticello and Pope Valley Comment
  UCD73388  Eschscholzia caespitosa Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  UCR146408  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Inner North Coast Ranges, Martley Canyon on Hwy. 128, Vaca Mountains 305 Comment
  UCD95244  Eschscholzia caespitosa Curtis Clark 1975-4-28 490 Napa State Highway 128, 13.6 miles west of Winters. Comment
  UCD95260  Eschscholzia caespitosa R. L. Smith 1948-5-1 s.n. Napa 8 miles east of Samuel Springs, east branch of Monticello Valley. Comment
  CAS-BOT-BC403333  Eschscholzia californica Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UCD117790  Eschscholzia californica Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, main meadow. 387 Comment
  UCD95321  Eschscholzia californica David Lawfer 1952-4-28 152 Napa Napa. Comment
  JEPS120337  Eucalyptus globulus Jake Ruygt 1989-4-29 2293 Napa Napa River about 1/4 mile north of Trancas Street, Napa. Napa 7.5' Quad. Comment
  SEINET6692542 Image available Eucalyptus globulus Royal D. Suttkus 1967-1 67- 30 -5 Napa Clearly Reserves, 7.2 miles NW of Pope Valley Comment
  CDA4871  Euphorbia oblongata R. Lawley 1970-5-22 Napa Oakville Cross Road & Silverado Trail, Oakville. 0 Comment
  JEPS106419  Euphorbia spathulata Jake Ruygt 1989-5-9 2315 Napa American Canyon, Avilla Ranch 85 Comment
  CAS-BOT-BC312175  Eurybia radulina Peter H. Raven 1951-8-19 3840 Napa Nr. Lokoya 487 Comment
  UC126550  Eurybia radulina Harley P. Chandler Sep 7 1906-Sep 14 1906 7126 Napa Howell Mountain, Alta Loma Ranch 487 Comment
  UC485607  Eurybia radulina Katharine Brandegee 1910-7-27 Napa Angwin, Howell Mt. Comment
  UC86940  Eurybia radulina T. S. Brandegee Aug 1 1888-Jan 1 1900 Napa Howell Mountain Howell Mountain Comment
  JEPS115735  Euthamia occidentalis Lowell Ahart 2009-10-12 16420 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winte 437 Comment
  CDA10863  Festuca californica G. F. Hrusa, M. Rejmanek 1993-5-15 10958 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CDA31330  Festuca californica D. G. Kelch 2010-5-6 10 .18 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  CHSC57559  Festuca californica J. D. Prouty 1980-6-12 Napa Roadbank of Hwy 29 ca 4.5 mi southwest of summit at R.L. Stevenson State Park. 243 Comment
  UCD75791  Festuca californica Ellen Dean; S. Rae 2008-5-21 4988 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 196 Comment
  SEINET10560467  Festuca californica Tarp 1982-4-17 TARP 147 Napa 8 mi W of jct. Hwy. 128 & 121 on Hwy. 121 ca. 6 mi NE of Napa. Chaparral with Mimulus guttatus, Toxicodendron diversilobum, Quercus sp., Artemisia douglasiana. Comment
  UCD65899  Festuca californica subsp. californica J. Street 1950-4-24 Napa 4 mi. E of Rutherford. Comment
  CHSC83359  Festuca californica var. californica L. P. Janeway; B. Castro 2002-5-12 7542 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. 564 Comment
  RSA125842  Festuca elmeri P. H. Raven 1957-5-5 10759 Napa Hills at western edge of Calistoga. 152 Comment
  UCD65968  Festuca idahoensis Beecher Crampton 1956-5-25 3458 Napa Vaca Mtns. Head of Markley Canyon. Comment
  UCR146400  Festuca idahoensis Beecher Crampton 1965-5-13 7328 Napa Inner North Coast Ranges, South end of Chiles Valley on Hwy 128 305 Comment
  UCR30532  Festuca microstachys John C. Roos 1939-4-15 318 Napa North Coast Range, Pope Valley, [near] Pacific Union College, Angwin 240 Comment
  CDA10888  Festuca roemeri G. F. Hrusa, M. Rejmanek 1993-5-15 10983 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD37405  Festuca roemeri Beecher Crampton 1960-5-17 5533 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  UCD66253  Festuca roemeri Beecher Crampton 1960-5-17 5533 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  RSA51300  Fragaria californica Peter H. Raven 1950-4-5 1742 Napa Wooden Valley Grade above Napa. 457 Comment
  CAS-BOT-BC437055  Fragaria vesca subsp. bracteata Peter H. Raven 1953-4-2 5290 Napa Tulucay Creek 243 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-BC223443  Fraxinus dipetala Alice Eastwood 1930-4-13 17926 Napa Canon [Canyon] between Monticello and Pope Valley Comment
  CAS-BOT-BC223530  Fraxinus latifolia Peter H. Raven 1957-5-5 10766 Napa At western edge of Calistoga 152 Comment
  CAS-BOT-BC223533  Fraxinus latifolia H. E. McMinn 1923-5-25 957 Napa Suisun Creek, between Rockville and Wooden Valley Comment
  JEPS122724  Fraxinus latifolia Jake Ruygt 1979-3-13 451 Napa Northeast corner of Trefethen Vineyard along Creek. Quad: Napa Comment
  UC1198636  Fraxinus latifolia Joseph P. Tracy 1904-5-20 2078 Napa near Rutherford (along Napa River); Northern Coast Ranges, Napa River 30 Comment
  SEINET13943203 Image available Fraxinus latifolia Lewis S. Rose 1955-1 55190 Napa Below Conn Lake; 4 mi NE of Rutherford; ca. 200 ft alt. 61 Comment
  UCD40902  Fremontia californica S. Boshoren 1983-5-29 25 Napa 5 miles from Knoxville, NW on Berryessa-Knoxville Road. Comment
  CAS-BOT-BC26115  Fremontia napensis Mrs. Myron Hobson 1926-5-10 s.n. Napa North side of Mt. St. Helena Comment
  CAS-BOT-BC205894  Fremontodendron californicum John Thomas Howell 1939-5-7 14653 Napa Near head of Hunting Creek northwest of Knoxville Comment
  RSA77221  Fremontodendron californicum J. T. Howell 1939-5-7 14653 Napa Near head of Hunting Creek, northwest of Knoxville Comment
  SBBG26890  Fremontodendron californicum J. T. Howell 1939-5-7 Napa near head of Hunting Crk NW of Knoxville Comment
  SBBG26893  Fremontodendron californicum H. L. Mason 1935-5-30 10009 Napa 4 mi N of Knoxville Mines Comment
  UC726963  Fremontodendron californicum A. A. Heller 1941-5-16 16134 Napa 3 miles west of Knoxville on the road to Lower Lake Comment
  UCD116270  Fremontodendron californicum Beecher Crampton 1970-4-15 8557 Napa North end of Capell Valley, State Hwy. 128. Comment
  UCD116285  Fremontodendron californicum S. E. Keeton 1938-5-1 s.n. Napa Old Mill Napa-Calistoga Highway. 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
  UC3648  Fritillaria affinis Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  CDA39340  Fritillaria affinis C. S. Kono & T. Kono 1979-3-24 s.n. Napa Markley Canyon, Highway 128, a few miles south of Monticello Dam. 0 Comment
  RSA91949  Fritillaria affinis Beecher Crampton 1953-2-26 988 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  CAS-BOT-BC130485  Fritillaria purdyi John Thomas Howell 1931-4-4 6166 Napa Crater Country, Mt. St. Helena region Comment
  POM182670  Fritillaria purdyi D. D. Keck 1931-4-4 1091 Napa The Crater Country, 3.5 miles SE from summit of Mount St. Helena Comment
  UC14993  Fritillaria recurva J. P. Tracy 1902-5-21 1585 Napa 3-4 mi e of Angwin's (Howell Mountain, head of Moore's Creek); Howell Mountain, Moore's Creek 335 Comment
  UC545850  Fritillaria recurva E. Crum 1936-3-15 1739 Napa Butt's Canyon, Pope Valley-Middletown Road Butt's Canyon; , Pope Valley-Middletown Road Comment
  UCSC010490  Fritillaria recurva Dylan M. Neubauer, Tim Forsell 2016-4-1 610 Napa (NCoRI) just e Butts Canyon Road, .91 air-mile s junction with Snell Valley Road 327 Comment
  UCSC010491  Fritillaria recurva Dylan M. Neubauer, Tim Forsell 2016-4-1 610 Napa (NCoRI) just e Butts Canyon Road, .91 air-mile s junction with Snell Valley Road 327 Comment
  CAS-BOT-BC508190  Fritillaria recurva Beecher Crampton 1961-4-6 5855 Napa N. end of Capell Valley above Capell Creek along State Hwy 128 Comment
  UCR24144  Fritillaria recurva var. coccinea John C. Roos 1939-3-3 301 Napa North Coast Range, Snell Valley, Angwin, Pacific Union College 549 Comment
  RSA0054812  Galium Keith E. Hoffmaster 1946-3-9 1233 Napa Prob. Napa range. Comment
  POM204016  Galium andrewsii M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UCD18032  Galium andrewsii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 581 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. West-facing slope up by air quality station. 548 Comment
  OBI57145  Galium andrewsii David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24508 Napa Just south of Lake Hennessy on south side of Highway 128 Comment
  UC1196110  Galium andrewsii subsp. andrewsii Joseph P. Tracy 1902-5-15 1466 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 426 Comment
  UCD112244  Galium aparine Christopher Mallek 2008-5-12 AS2- 21 Napa Aetna Springs. 668 Comment
  UCD49239  Galium aparine S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 28 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-Off Rd. 152 Comment
  UC139301  Galium bolanderi M. K. Curran Aug. 1888 Napa Howell Mt. Comment
  RSA26400  Galium bolanderi J. T. Howell 1941-6-21 16312 Napa Hills SW of St. Helena. 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
  POM303720  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa W of Napa Valley betw St. Helena and Mt. St. John. Napa Valley. 229 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
  JEPS6609  Galium porrigens var. porrigens Clara A. Hunt 1909-4-29 Napa St. Helena Comment
  UCD118603  Galium porrigens var. porrigens William Goss; 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
  UCD18071  Galium porrigens var. porrigens Ellen Dean; with Plant Biology 102 class 2000-4-22 626 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
  UC1562617  Galium porrigens var. tenue Barbara Ertter with Annetta Carter 1989-5-28 8499 Napa Berryessa-Knoxville Rd n; Lake Berryessa (9.0 mi s of Knoxville tunnel, base of e-facing slope at edge of stream) 243 Comment
  UCD164731  Galium triflorum Jake Ruygt 2014-6-9 6000 Napa Livermore Ranch, Van Ness Canyon. 502 Comment
  UC1122625  Garrya congdonii B. Schreiber 1936-9-20 2353 Napa 5 mi s Reiff; Reiff Quad. 762 Comment
Read comments
Jan 14 2009
  SEINET8730403 Image available Garrya congdonii C. R. Bell 1952-1 1245 Napa To north of road 5.8 miles east of Pope Valley-Monticello road junction. 5 Comment
  CAS-BOT-BC144377  Garrya fremontii John Thomas Howell 1939-2-5 14597 Napa Summit of Wooden Valley Grade Comment
  UC876025  Garrya fremontii Mrs. C. E. Miller Aug 1918 Napa Howell Mt. Comment
  JEPS61424  Geranium dissectum H. P. Chandler 1907-4-28 7553 Napa Santa Rosa to Calistoga Comment
  UCD103351  Geranium dissectum Peter Kamb; Francia Chisaki 1950-4-22 1766 Napa Hill on west side of Capell Valley, 3.2 miles west of junction of the road with California Highway #37. 213 Comment
  UCD103357  Geranium dissectum David Lawfer 1952-5-4 157 Napa Napa. Comment
  JEPS106708  Geranium molle Jake Ruygt 1986-3-22 1666 Napa Vaca Mountains, east of Markley Cove Resort 304 Comment
  UCD23412  Geranium molle Helen West 1977-4-16 1 Napa Purple flowers, 10 stamens (2 rows of 5), low lying plant. Collected in sunny meadow, surrounding vegetation was low, covering plants, soil parent material is shale. 6.3 miles southwest of Monticello Dam, off Hwy. 128, along road side. 182 Comment
  HSC98501  Geranium purpureum Barbara Ertter, Jake Ruygt 1996-4-25 14601 Napa Kroeber Ranch on NE flank of Mt. St. John, W of Rutherford in Napa Valley Comment
  JEPS106750  Geranium purpureum Jake Ruygt 1976-5-14 75 Napa 4.0 miles west of HWY 29 on Redwood Rd. 97 Comment
  UCD68114  Gilia capitata Hilary Jane Ernst 1981-5-24 75 Napa Sage Canyon Road, base of Conn Dam, 1.2 miles East of intersection with the Silverado Trail. In a foothill woodland plant association, dominated by Rubus, Salix, and Quercus, on a 70 degree slope, in sandy rocky soil, in a dry area, with sunlight for half the day, growing in scattered patches in area. An herbaceous plant, 1 ft. high. Flowers, light blue. 73 Comment
  JEPS69529  Gilia capitata subsp. capitata W. L. Jepson 1893-6-26 15073 Napa Howell Mtn. , Howell Mtn. (Napa River Basin) Comment
  UC146065  Gilia capitata subsp. capitata H. P. Chandler 1907-5-29 7592 Napa White Sulphur Spr. St. Helena, White Sulphur Spr. Comment
  JEPS110950  Gilia tricolor subsp. diffusa Jake Ruygt 1992-4-2 2872 Napa Wild Horse Valley Ranch, Johnson's meadow 451 Comment
  JEPS110951  Gilia tricolor subsp. diffusa Jake Ruygt 1991-5-11 2671 Napa Little Bear Valley, near Sugarloaf Mtn. 694 Comment
  SEINET7075538  Gilia tricolor subsp. diffusa A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  UCD167224  Gilia tricolor subsp. diffusa Jake Ruygt 1986-4-12 1689 Napa Devil's Canyon. 536 Comment
  UC1197915  Gilia tricolor subsp. tricolor Louise Martin 1902-5-15 1446 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); head of Moore's Creek, Howell Mountain 365 Comment
  UC650504  Gilia tricolor subsp. tricolor Ira L. Wiggins 1928-3-25 2869 Napa roadside 1 1/2 mi ne Calistoga; ne of Calistoga Comment
  SEINET7072774  Githopsis specularioides A. G. Vestal 1963-5-12 s.n. Napa Howell Mountain Road on the North Slope. UTM Zone 10, 548879mE, 4271447mN. Coordinate datum: NAD 27.) Comment
  UC1563683  Glinus lotoides Barbara Ertter with Elizabeth Neese 1988-10-2 7966 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
  CAS-BOT-BC435004  Glinus lotoides Peter H. Raven 1951-10-28 3931 Napa At w. end of Conn Lake 152 Comment
  JEPS122935  Glyceria occidentalis Jake Ruygt 1996-5-11 3659 Napa SE of Suscol; Napa Sanitation district; Somky Ranch. Quad: Cuttings Wharf. Comment
  CAS-BOT-BC303820  Gnaphalium John Thomas Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St Helena Comment
  CHSC103022  Gnaphalium luteoalbum Lowell 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 soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD73518  Gnaphalium palustre Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC304899  Grindelia hirsutula Peter H. Raven 1953-10-4 6365 Napa Duttons Landing 0 Comment
  CAS-BOT-BC304910  Grindelia hirsutula John Thomas Howell 1930-7-13 5346 Napa Lower slopes of Mt. St. Helena Comment
  UC1536846  Grindelia hirsutula G. H. True 1937-6-21 732 Napa near Lokoya Lodge 365 Comment
  RSA74452  Grindelia hirsutula var. davyi Milo S. Baker 1947-7-7 11858 Napa Along wood Rd from Mt. St. Helena Inn southerly towards the 'Crater.' 762 Comment
  UCR198044  Grindelia hirsutula var. davyi Jake Ruygt 1981-6-10 1051 Napa west of Mt. Vaca on Vaca Range 457 Comment
  JEPS106786  Guillenia lasiophylla Jake Ruygt 1989-4-22 2271 Napa east of HWY 121 on HWY 128 Comment
  CAS-BOT-BC302217  Harmonia nutans Willis L. Jepson 1893-4-28 s.n. Napa Wooden Valley Grade, Napa River Basin Comment
  CAS-BOT-BC302218  Harmonia nutans Catherine Best 1984-4-16 915 Napa Atlas Peak Road, about 6 miles north of Monticello intersection Comment
  CAS-BOT-BC302240  Harmonia nutans David D. Keck 1933-5-28 2329 Napa Howell Mountain, ca. 1 mile southwest of Pacific Union College Comment
  CAS-BOT-BC302243  Harmonia nutans David D. Keck 1931-4-4 1088 Napa The Crater Country, 3 miles SE. from summit of Mt. St. Helena. Northwestern Napa County 950 Comment
  CAS-BOT-BC302247  Harmonia nutans David D. Keck 1931-4-2 1027 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE. of Napa 200 Comment
  CAS-BOT-BC302248  Harmonia nutans David D. Keck 1931-4-2 1027 Napa Wooden Valley Grade, west side of Napa Range, 5.5 miles NE. of Napa 200 Comment
  JEPS106553  Harmonia nutans Jake Ruygt 1977-4-9 180 Napa .3 miles south of Monticello Rd. on Wild Horse Valley north rd 420 Comment
  UC1199158  Harmonia nutans Joseph P. Tracy 1933-4-30 12117 Napa near Angwins (Howell Mountain); Northern Coast Ranges, Howell Mountain 457 Comment
  JEPS106639  Helenium bigelovii Jake Ruygt 1982-6-13 1319 Napa Guilliume Springs, Cedar Roughs 292 Comment
  JEPS106682  Helenium puberulum Jake Ruygt 1979-10-22 426 Napa .3 miles north of Airport Rd. along Sheehy Creek 4 Comment
  JEPS115763  Helenium puberulum Lowell Ahart 2009-10-12 16423 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 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
  JEPS21036  Helianthella californica subsp. californica W. L. Jepson 1904-6-3 2450 Napa Howell Mt. Comment
  JEPS21038  Helianthella californica subsp. californica Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  UC1069443  Helianthella californica subsp. californica A. Lewis 1932-5-14 78 Napa along the roadside Napa Quadrangle Comment
  CAS-BOT-BC314719  Helianthella californica var. californica Paul F. Covel 1940-4-28 1703 Napa Grade near Sanatarium Comment
  CAS-BOT-BC314721  Helianthella californica var. californica J. Clausen 1935-5-23 1072 Napa Howell Mountain near summit 6.5 mi. N. of St. Helena Comment
  CAS-BOT-BC314722  Helianthella californica var. californica T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain Comment
  UCD161319  Helianthella californica var. californica Jake Ruygt 1979-6-3 678 Napa Deer Park Road near Four Corners. (Coordinates estimated by label maker at UC Davis). 402 Comment
  CAS-BOT-BC305536  Helianthus bolanderi Peter H. Raven 1951-10-28 3949 Napa Chiles Valley - 1-3 miles east 304 Comment
  JEPS106669  Helianthus bolanderi Jake Ruygt 1991-8-5 2820 Napa Eticuera Creek north of Zim-Zim Creek 228 Comment
  UC570404  Helianthus bolanderi Chas. M. Belshaw 1936-9-20 L 689 Napa 3 mi nw Knoxville; North Inner Coast Range Comment
  UCR81348  Helianthus bolanderi G. Fred Hrusa 1993-10-3 11426 Napa 2.1 mi SW along Knoxville-Devilhead Rd. from Knoxvlle-Berryessa Rd. 440 Comment
  JEPS4459  Helianthus californicus W. L. Jepson 1893-9-24 13426 Napa Napaleo, Angwin's Meadows Howell Mt., Napaleo, Angwin's Meadows Comment
  UCD132921  Helianthus californicus Irving Grover 1965-6-16 s.n. Napa Howell Mountain area along Deer Park road near Angwin. Comment
  JEPS115772  Heliotropium curassavicum Lowell Ahart 2009-10-12 16432 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  JEPS38351  Hemizonia congesta subsp. clevelandii Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  UC194237  Hemizonia congesta subsp. lutescens H. M. Hall 1916-8-6 10262 Napa 7 km s Napa Comment
  CAS-BOT-BC309839  Hemizonia congesta subsp. luzulifolia Peter H. Raven 1951-10-28 3957 Napa Knoxville 457 Comment
  JEPS106662  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1982-6-13 1313 Napa Cedar Roughs 271 Comment
  UCD18104  Hemizonia congesta subsp. luzulifolia K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 40 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  UCD67774  Hemizonia congesta subsp. luzulifolia D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa MacLaughlin UC Natural Reserve. 680 Comment
  CDA10967  Hemizonia congesta subsp. luzulifolia G. F. Hrusa 1988-9-4 5701 Napa North Coast Biodiversity Arena; Butts Canon, 10 m. SE of Middletown. Comment
  OBI74533  Hemizonia congesta subsp. luzulifolia David J. Keil 1986-11-8 19792 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 2.3 mi S of turnoff to Homestead McLaughlin Mine/Mill 350 Comment
  RSA31985  Hemizonia lutescens A. A. Heller 1941-9-22 16316 Napa Near Napa Junction. Comment
  RSA13383  Hemizonia luzulifolia Daniel Cleveland 1882-09 s.n. Napa Aetna Springs. Comment
  SBBG5195  Heracleum maximum H. and M. Dearing 1939-4-29 3227 Napa Conn Valley Comment
  UC164895  Hesperevax sparsiflora var. sparsiflora J. P. Tracy 1902-5-16 1511 Napa 3-4 mi e of Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  UCD161646  Hesperocyparis macnabiana Jake Ruygt 2006-3-23 4960 Napa north of Potato Hill, Wildlake Ranch. (Coordinates coverted from UTM data by label maker.) 685 Comment
  CAS-BOT-BC167405  Hesperolinon bicarpellatum Mrs. K. Brandegee 1911-6-29 s.n. Napa Butts [Canon] Canyon, near Aetna Springs Comment
  LA47291  Hesperolinon bicarpellatum Helen Sharsmith; 1952-6-20 4145 Napa above Pope Creek ca. 0.5 mi. from Walter Springs 152 Comment
  RSA565011  Hesperolinon bicarpellatum D. W. Taylor, Glenn L. Clifton 1990-5-25 10800 Napa Butts Canyon Road, near jct. with Snell road Comment
  UC1212350  Hesperolinon bicarpellatum Helen K. Sharsmith 1951-10-21 4035 Napa 7.2 mi sw Monticello; Inner North Coast Ranges, Steel Canyon Comment
  UC1212353  Hesperolinon bicarpellatum Helen K. Sharsmith 1957-6-18 4604 a Napa head Pope Creek Canyon (where stream leaves Pope Valley); Inner North Coast Ranges 243 Comment
  UC1212356  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-31 4109 Napa above creek Sage Creek (w side of valley); Chiles Valley 30 Comment
  UC1212358  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4140 Napa canyon at junction of Snell Valley road; Inner North Coast Ranges, Butts Canyon 196 Comment
  UCD141589  Hesperolinon bicarpellatum Ellen Dean 2013-4-27 7705 Napa Las Posadas State Experimental Forest. Ridge to the north of Recreation Flat. 424 Comment
  UCD164827  Hesperolinon bicarpellatum Jake Ruygt 2012-6-9 5860 Napa Crystal Flats. 204 Comment
  UCD82614  Hesperolinon bicarpellatum 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
  UC1212210  Hesperolinon breweri Peter H. Raven 1951-6-26 3078 Napa Cappell Valley 365 Comment
  JEPS122839  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 225 Napa In meadow above Shadhiliyya Sufi Center at Walter Springs (accessed via turnoff from Pope Canyon Road) Comment
  JEPS122903  Hesperolinon californicum Adam C. Schneider 2015-5-19 933 Napa Along Pope Valley Rd. Comment
  JEPS127853  Hesperolinon californicum Adam C. Schneider with Dick O'Donnell 2013-5-28 250 Napa Conn Valley Road, 2.1 miles west of Northwest corner of Lake Hennessey. Comment
  UC1212457  Hesperolinon californicum Helen K. Sharsmith 1952-5-17 4078 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
  UCD160795  Hesperolinon californicum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8675 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
  UCD169869  Hesperolinon californicum Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 804 Napa Knoxville Wildlife Area. Upper Zim Zim Ceek drainage. 432 Comment
  SEINET5744443 Image available Hesperolinon californicum L. L. Worden 1971-1 33 Napa 20 yards W of lower Chiles Valley Road, 1.7 miles N of its junction with State Hwy 128. Comment
  JEPS112588  Hesperolinon clevelandii Jake Ruygt 1982-5-15 1257 Napa Soda Canyon, west of the steep grade 426 Comment
  JEPS112648  Hesperolinon clevelandii Jake Ruygt 1989-7-1 2394 Napa Vaca Mtns., north of Mt. Vaca 755 Comment
  UCD110501  Hesperolinon clevelandii Kathleen Barnes 1973-6-4 61 Napa McDonald Ranch, 1/2 mile up from house, Pope Valley Road. Comment
  JEPS112586  Hesperolinon disjunctum Jake Ruygt 1988-5-29 2197 Napa Cedar Valley 603 Comment
  JEPS122828  Hesperolinon disjunctum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-19 279 Napa Knoxville Devilhead Road. Comment
  JEPS122857  Hesperolinon disjunctum Adam C. Schneider with Dick O'Donnell 2013-5-28 245 Napa Northern edge of Cedar Roughs Wilderness Area, south of Pope Canyon Rd, 2.5 miles west of junction with Baryessa Knoxville Road. Comment
  JEPS129121  Hesperolinon disjunctum Jake Ruygt 2015-5-2 6089 Napa West of Buck Mountain near Nevada Creek. Knoxville 7.5' Quad. Comment
  SD51675  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa Ca. 1.0 mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Montecello road. 121 Comment
  UCD110519  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa About one mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Monticello road. 121 Comment
  UC1212482  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4119 Napa Knoxville-Monticello road 0.8 mi s Knoxville (above Knoxville Creek); Inner North Coast Ranges 365 Comment
  CAS-BOT-BC167456  Hesperolinon drymarioides G. L. Stebbins 1966-6-6 6447 Napa Along road from Knoxville to Cedar Valley 487 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
  OBI12536  Hesperolinon micranthum Helen K. Sharsmith 1952-5-31 4107 Napa Inner North Coast ranges. Above Sage Crk 0.8 mi S of Chiles Valley 305 Comment
  UC1212276  Hesperolinon micranthum Helen K. Sharsmith 1951-10-21 4038 Napa above Sage Creek (w side of Chiles Valley); Inner North Coast Ranges, Chiles Valley 259 Comment
  UCD110556  Hesperolinon micranthum Helen K. Sharsmith 1952-5-31 4107 Napa Above Sage Creek 0.8 miles south of Chiles Valley. 304 Comment
  UCD36936  Hesperolinon micranthum Beecher Crampton 1956-5-25 3452 Napa Vaca Mountains, Markley Canyon, along new road from Monticello Dam to Napa. Comment
  UC1212259  Hesperolinon micranthum Helen K. Sharsmith 1952-5-31 4105 Napa s side Conn Dam (on slopes of canyon); Inner North Coast Ranges, Sage Canyon 76 Comment
  UC1212278  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4642 a Napa on branch road of Hwy 128 just above Soda Creek (6.4 mi beyond junction of Hwy 37 with 128 Locality for HKS 4073); Inner North Coast Ranges, Cappell Valley 198 Comment
  UC1601208  Hesperolinon micranthum Helen K. Sharsmith 1958-10-16 4615 b Napa s side above road Conn Cam; Inner North Coast Ranges 121 Comment
  UCD110545  Hesperolinon micranthum Robert E. Preston 1987-6-13 563 Napa ca. 1 mi sw of Big Basin. 292 Comment
  JEPS122787  Hesperolinon sharsmithiae Jake Ruygt 2009-6-18 5438 Napa Sage Canyon, about 1/2 mile south of Nichelini Winery. QUAD: Yountville. Comment
  JEPS122869  Hesperolinon sharsmithiae Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-18 602 Napa At end of Barnett Rd. off of Pope Valley Rd. Comment
  JEPS127877  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-26 206 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road. Comment
  JEPS122802  Hesperolinon spergulinum Jake Ruygt 2000-6-10 4268 Napa Berryessa-Knoxville Road near Foley Creek. QUAD: Knoxville. Comment
  UC1212406  Hesperolinon spergulinum Joseph P. Tracy 1938-6-5 15828 Napa 5 mi e Angwin's (on hills at head of Moore Creek); Howell Mountain, Moores Creek 365 Comment
  UC703179  Hesperolinon spergulinum John Thomas Howell 1941-6-21 16316 Napa hills sw St. Helena Comment
  UCSC009029  Hesperolinon spergulinum Dylan M. Neubauer 2015-4-24 131 Napa (NCoRI) N side Ink Grade Rd, 1.07 air-miles NW Pope Valley 289 Comment
  SD58210  Hesperolinon spergulinum W. L. Jepson 1916-8-6 6828 Napa Howell Mountain. Comment
  SEINET265722  Heteromeles arbutifolia Royal D. Suttkus 1967-6-26 67- 30 -10 Napa Clearly Reserves 7.2 miles NW of Pope Valley Comment
  UCD49138  Heteromeles arbutifolia S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 13 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  JEPS2468  Heterotheca oregona var. compacta Edward Lee Greene 1888-8-29 Napa Calistoga Comment
  UC336701  Heterotheca oregona var. rudis unknown Napa Calistoga Eel River Comment
  UCD133136  Hieracium albiflorum K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  UCD115125  Hirschfeldia incana W. L. Jepson 1922-10-22 9831 Napa St. Helena. Comment
  UC1586044  Hoita macrostachya Barbara Ertter with Elizabeth Neese 1988-10-2 7959 Napa s side Rt 128 across from spillway (ca 15 air mi nnw); North Coast Ranges, Conn Creek, Lake Hennessey 91 Comment
  UC16290  Hoita macrostachya unknown Aug 1862 1322 Napa Rag Canyon; dry creek bed Comment
  CAS-BOT-BC149994  Holodiscus discolor var. discolor G. Douglas Barbe 1957-7-4 368 Napa NW of Christian Bros. Mt. LaSalle School, abt. 0.6 mi. SE of road (6.6 miles west of State Hwy 29 on Redwood Road) Comment
  UC89201  Holozonia filipes Brandegee 1888-8-1 Napa Howell Mountain Comment
  UC1103742  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1905-7-6 2229 Napa 3-4 mi e Angwin's (on hills at head Moore's Creek, Howell Mountian); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UCD36597  Hordeum brachyantherum subsp. californicum Beecher Crampton 1955-5-9 2754 Napa 2 miles N of Calistoga, Myrtledale Hot Springs. Comment
  POM263252  Hordeum marinum subsp. gussoneanum J. C. Roos 1939-5-13 273 Napa Angwin, Howell Mt. Comment
  UCD85377  Hordeum marinum subsp. gussoneanum K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  UCD20430  Hordeum murinum E. Dean; w/ PLB 102 class 2002-5-4 1018 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of powerlines. 259 Comment
  CAS-BOT-BC284901  Hordeum murinum subsp. leporinum Ira L. Wiggins 1928-3-25 2881 Napa 1 1/2 mi. N.E. of Calistoga Comment
  CAS-BOT-BC273492  Hordeum vulgare E. Ruckert 1960-4-29 127 Napa 300 yards southeast of house, 6495 Dry Creek Road 365 Comment
  UC12395  Horkelia californica subsp. dissita Willis L. Jepson Nov 26 1895-Nov 27 1896 Napa Howell Mtn., Sea Jota Plateau, Napa River Basin Comment
  CAS-BOT-BC410811  Hypericum concinnum J. Clausen 1935-5-23 1072 a Napa Howell Mountain, near summit, 6.5 mi. N of St. Helena Comment
  JEPS66843  Hypericum concinnum W. L. Jepson 1936-2-8 17398 Napa Adam and Eve Ridge Howell Mt.; Napa Range, Howell Mt. Comment
  CAS-BOT-BC410805  Hypericum concinnum Belle Richardson Jackson 1930-6-8 s.n. Napa On the old Toll Road below Patten's Mt. St. Helena region Comment
  CAS-BOT-BC410812  Hypericum concinnum Alice Eastwood 1923-5-9 11741 Napa Hills above Calistoga Comment
  JEPS66804  Hypericum formosum var. scouleri W. L. Jepson 1893-6-26 13963 Napa Howell Mt. Comment
  UCD133462  Hypochaeris radicata Heidi E. M. Dobson 1978-6-14 345 Napa east slope of Mt. Veeder. Comment
  CDA7485  Hypochaeris radicata H. Stabo 1960-7-13 4677 Napa 0 Comment
  JEPS126072  Idahoa scapigera Jake Ruygt 1995-4-9 3420 Napa Little Bear Valley, east of Palisades. Detert Reservoir 7.5' Quad. Comment
  UCD138729  Iris fernaldii Bill Wengeler 1995-4-16 s.n. Napa approximately 5 miles north of Hwy 128 along Knoxville Road. 146 Comment
  SEINET4170695  Iris fernaldii Unknown 1969-5-24 Napa End of Capell Valley W. of Lake Berryessa. 198 Comment
  UC571171  Iris fernaldii H. L. Mason 1926-3-22 2789 Napa between Calistoga and Petrified Forest Comment
  JEPS85051  Iris macrosiphon Larry Heckard and Mary Ashton 1969-5-3 2207 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  JEPS88857  Iris macrosiphon Carol A. Wilson 1992-4-18 92 -ph1 Napa 0.5 mi w Pope Valley (n of Angwin, Howell Mt Rd) Comment
  SEINET4170710  Iris macrosiphon Unknown 1938-4-22 2132 Napa Above Dry Creek, 2 mi W. of Yountville, Miyakma Mountains, North Coast Ranges 457 Comment
  SEINET6193236 Image available Iris macrosiphon L. F. Robbins 1927-1 s.n. Napa Napa county Comment
  UCD116959  Iris macrosiphon Jillian Howard; Plant Biology 102 Collectors 2012-4-29 1 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCD95917  Iris macrosiphon Ellen Dean; with Clare Loughran 2011-5-20 7053 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
  JEPS116563  Isoetes howellii Jake Ruygt 1992-5-15 2962 Napa West of vernal pool meadow, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  UCD135860  Isoetes howellii W. R. Russell 1972-5-25 s.n. Napa Just west of State Highway 29 and south of Calistoga. Comment
  JEPS116565  Isoetes nuttallii Jake Ruygt 1995-5-8 3464 Napa Abut 2 miles SE of Sage Canyon Road from boat dock. Yountville 7.5' Quad. Comment
  UC32952  Jaumea carnosa Willis L. Jepson 1896-11-4 Napa below Napa City Comment
  CHSC93647  Juglans californica var. hindsii Paul Kirk; Joe Callizo 2001-5-25 6 Napa Munson Ranch area, approximately 300 m WNW of end of Circle Oaks drive. 450 Comment
  UCD166691  Juglans hindsii Jake Ruygt 2007-4-16 5154 Napa Jameson Canyon, about 100 yds west of private road at Creston.. 88 Comment
  JEPS126047  Juncus acuminatus Jake Ruygt 1992-7-4 3060 Napa Wild Horse Valley Ranch, between Leoma and Mitten Lake. Mount George 7.5' Quad. Comment
  JEPS66906  Juncus balticus W. L. Jepson Jun 23 1918-Jun 24 1918 7664 Napa Calistoga Comment
  UC1601693  Juncus bufonius W. L. Jepson 1896-1 Napa near St. Helena; Napa Valley Comment
  JEPS129086  Juncus capitatus Jake Ruygt 2016-4-23 6203 Napa Missimer-Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  UCD19914  Juncus effusus E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 770 Napa Quail Ridge Reserve. SW corner of Lake Beryessa, along South Decker Canyon Road, S of junction with Cut-off Road. Near hair-pin turn in trail by bathtub, stove, etc. 243 Comment
  UC127473  Juncus effusus var. pacificus Harley P. Chandler Sep 7 1906-Sep 14 1906 7103 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS122656  Juncus ensifolius Jake Ruygt 1984-6-23 1575 Napa Livermore Road, west of ranchhouse. Quad: Detert Reservoir. Comment
  UC1746017  Juncus hemiendytus var. hemiendytus Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2774 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS122660  Juncus kelloggii Jake Ruygt 1998-6-20 4041 Napa On Palisades trail from RLSSP, east of Table Rock. Quad: Detert Reservoir. Comment
  UC1103653  Juncus kelloggii J. P. Tracy 1902-5-19 1555 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 518 Comment
  UCD164767  Juncus kelloggii Jake Ruygt 2014-5-10 5938 -b Napa Atlas Peak Road, Studor property, south of Foss Valley, north of Millilen Reservoir. 448 Comment
  JEPS122664  Juncus occidentalis Jake Ruygt 1978-5-27 341 Napa 7.7 miles NE of Monticello Road on Atlas Peak Road. Quad: Capell Valley. Comment
  JEPS67097  Juncus occidentalis Willis L. Jepson 1894-5-1 40 a Napa Upper Conn Valley Napa River Basin Comment
  UCD166705  Juncus occidentalis Jake Ruygt 2004-4-12 4585 Napa Gordon Valley Road, south side of Okell Hill. 115 Comment
  JEPS122658  Juncus oxymeris Jake Ruygt 1991-6-29 2739 Napa Friesen Drive about 0.2 mile south of Lake Henne. Quad: St. Helena. Comment
  UCD164840  Juncus oxymeris Jake Ruygt 2012-5-19 5849 Napa Spanish Valley. 219 Comment
  UCD73494  Juncus patens Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC750690  Juncus patens Lewis S. Rose 1946-8-18 46264 Napa 3 mi ne Napa 60 Comment
  JEPS122661  Juncus phaeocephalus var. paniculatus Jake Ruygt 1978-5-27 340 Napa 7.7 miles NE of Monticello Road on Atlas Peak Road. Quad: Capell Valley. Comment
  UC1151996  Juncus phaeocephalus var. paniculatus Joseph P. Tracy 1938-6-6 15847 Napa about 5 mi n Napa Comment
  JEPS122684  Juncus xiphioides Jake Ruygt 2003-6-21 4551 Napa About 0.9 mile SE of Knoxville site, east side of Berryessa-Knoxville Road. Quad: Knoxville. Comment
  NY790364  Keckiella lemmonii R. C. F. Bacigalupi 1928-6-20 1873 Napa Howell Mountain, 10 miles west of St. Helena Comment
  UCD123773  Keckiella lemmonii H. Popenoe 1949-6-4 33 Napa 11.5 miles from Winters, on road to Monticello. Comment
  UC1178880  Kickxia elatine Herbert L. Mason 1942-9-29 12557 Napa 2 mi n Calistoga (bed of Napa River); Napa River Comment
  UC1714642  Kickxia spuria Ethel Crum 1931-12-6 1310 Napa 5 mi e Rutherford (Conn Creek); Napa Valley, Conn Creek Comment
  JEPS120442  Kniphofia Jake Ruygt 2008-3-11 5265 Napa Atlas Peak Rd. west of Miliken Reservoir. Comment
  JEPS122912  Koeleria macrantha Jake Ruygt 2000-5-15 4250 Napa Henry Road, on old Henry Ranch. Quad: Napa. Comment
  JEPS122919  Koeleria macrantha Jake Ruygt 1985-5-18 1603 Napa American CAanyon, 0.4 mile east of Flosden Road. Quad: Cordelia. Comment
  JEPS115849  Lactuca saligna Lowell Ahart 2009-10-12 16425 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 soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winter 133 Comment
  UC127119  Lactuca serriola Harley P. Chandler Sep 7 1906-Sep 14 1906 7111 Napa Alta Loma Ranch Howell Mountain 487 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
  SEINET3073144 Image available Lagophylla dichotoma subsp. minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring. Comment
Read comments
Nov 25 2013
  JEPS19965  Lagophylla minor Joseph P. Tracy 1938-6-5 15825 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain, Moore's Creek 365 Comment
  SEINET6413450  Lagophylla minor R. Spellenberg 2014-5-20 14814 Napa 4.5 km W of Pope Valley Road/ Butts Canyon Road on Aetna Springs Road. 460 Comment
  UCD48601  Lagophylla minor M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 8 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines. 297 Comment
  UCD48648  Lagophylla minor K. Mogel; B. Pekin and M. Higley 2002-5-4 1 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 750 ft. along the lower road that leads to the power lines; immediately downslope of road. 320 Comment
  CAS-BOT-BC341422  Lagophylla minor J. Clausen 1935-5-22 1069 Napa 1 mile east of Chiles Valley Store Comment
  CAS-BOT-BC341426  Lagophylla minor Milo S. Baker 1932-4-26 5962 Napa Near Eastern side of Pope Val. along Monticello Hwy. Comment
  JEPS129036  Lagophylla ramosissima Jake Ruygt 2016-5-28 6266 Napa Smitty Ranch, east side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCR141014  Lagophylla ramosissima Beecher Crampton 1961-9-19 5978 Napa Inner North Coast Ranges, 3 miles east of Moskowite Corner, along State Highway 128, divide between Wragg Canyon and Capell Valley 297 Comment
  RSA13382  Lagophylla ramosissima Daniel Cleveland, Michelle Cleveland 1882-8-26 s.n. Napa Actria Springs. Comment
  UCD81811  Lamarckia aurea Ellen Dean; Stephen Rae 2009-4-21 5438 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  SD71209  Lamium purpureum Mrs. Merrel Ackley 1959-4-4 Napa Near St. Helena Comment
  CAS-BOT-BC295370  Lasthenia californica R. C. Wenk; E. S. Wenk 2006-4-30 436 Napa Robert Louis Stevenson State Park. Trail going east from Highway 29 parking lot for trail to Mt. St. Helena. 1/2 mile from parking lot on left side of trail Comment
  CAS-BOT-BC338262  Lasthenia californica Carl B. Wolf 1928-5-3 1786 Napa 2 miles south of Hawkins Mount Inn Camp 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-BC338266  Lasthenia californica John Thomas Howell 1926-3-21 1741 Napa Near Palisade Mine, n. Napa Valley Comment
  UC30413  Lasthenia californica subsp. californica W. L. Jepson 1893-4-26 Napa La Lomita Napa Valley Comment
  JEPS106673  Lasthenia conjugens Jake Ruygt 1991-5-4 2635 z Napa Suscol Ridge Comment
  UCD63160  Lasthenia glaberrima Jake Ruygt 1993-4-18 3211 Napa west of west end of Rio DelMar Drive, American Canyon. 2 Comment
  UC311561  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 1869 Napa near Calistoga; Napa Valley 90 Comment
  HSC43998  Lasthenia gracilis Robert M. Specht 1977-4-11 622 Napa Drainage at Pocock Creek 500 Comment
  UCD159787  Lasthenia gracilis James A. Neilson Jr. 1975-4-13 3167 Napa Soda Canyon Road, near summit. 457 Comment
  JEPS10016  Lasthenia gracilis Helen-Mar Wheeler 1944-3-27 Napa roadside about 1.8 mi n south end of Conn Valley; Napa Range Comment
  UCD133827  Lasthenia gracilis R. W. Thorp 1967-3-9 670309 B Napa 3 miles south of Napa. Comment
  JEPS126083  Lathyrus cicera Jake Ruygt 1994-4-26 3354 Napa Pope Valley north of Barnett Road. Aetna Springs 7.5' Qua. Comment
  UCD75721  Lathyrus hirsutus Jake Ruygt 1992-5-18 2982 Napa Yountville Ecological Reserve, Yountville Cross Rd. 27 Comment
  CAS-BOT-BC213497  Lathyrus jepsonii subsp. californicus Peter H. Raven 1952-5-29 4092 Napa Napa River 1 mi. N Napa 60 Comment
  UC1279970  Lathyrus tingitanus Peter H. Raven 1957-5-5 10756 Napa Calistoga Comment
  UCD168544  Lathyrus vestitus Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD48895  Lathyrus vestitus Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along West Rd. ca. 400 ft. NNW of jct with South Decker Canyon Rd. 188 Comment
  UCSB3114  Lathyrus vestitus Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway 37, 500 feet above valley floor 304 Comment
  UCD121193  Lathyrus vestitus var. vestitus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7364 a Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and Recreation Flat. 526 Comment
  UCD48944  Lathyrus vestitus var. vestitus Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd., W of creekbed. 182 Comment
  UCD83863  Lathyrus vestitus var. vestitus Ellen Dean; Stephen Rae 2010-3-15 5821 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  JEPS64868  Lathyrus vestitus var. vestitus W. L. Jepson 1938-5-25 18858 Napa outside Bell Canyon; Howell Mt. 579 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
  UC924241  Layia chrysanthemoides H. S. Reed 1939-4-16 225 Napa Napa Valley 60 Comment
  HSC5916  Layia chrysanthemoides Greg Bos 1963-3-30 59 Napa 3 mi. S of Middleton on Butte Canyon Rd. Comment
  POM231107  Layia chrysanthemoides Jens Clausen 1935-5-22 1068 Napa 2.2 miles S of Knoxville. Comment
  JEPS106632  Layia septentrionalis Jake Ruygt 1998-5-2 3948 Napa Chiles Canyon near white stone bridge. 146 Comment
  CAS-BOT-BC534949  Lemna minuta Peter H. Raven 1953-4-2 5291 Napa Tulucay Creek 243 Comment
  UCD120785  Leontodon saxatilis subsp. saxatilis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7328 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  CAS-BOT-BC221497  Lepechinia calycina H. E. McMinn 1923-5-26 978 Napa Along Eticuera Creek tributary to Putah Creek Comment
  UCD124950  Lepechinia calycina M. Ensign 1943-5-28 317 Napa 13 miles from Monticello on road to Lower Lake. Comment
  UCD19315  Lepechinia calycina M. A. Bibbo; E. Dean 2001-7-6 7 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, ca. 0.5 air miles from jct. with S Decker canyon rd. W (downslope) side of the road. 243 Comment
  UCD47949  Lepidium chalepense D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa and K. Watts 2000-4-28 29 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, ca. 30 ft. east of creek, east of Old Knoxville Rd. 426 Comment
  CAS-BOT-BC89173  Lepidium draba John Thomas Howell 1926-4-3 1781 Napa Near Yountville. Comment
  CHSC102265  Lepidium latifolium Lowell Ahart 2009-10-27 16482 Napa Below the high water line of Lake Berryessa, about 150 yards southeast of Eticuera Creek, about 250 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS106788  Lepidium latipes var. latipes Jake Ruygt 1981-4-18 981 Napa Harris Canyon 365 Comment
  CAS-BOT-BC12512  Lepidium nitidum Alice Eastwood 1922-3-25 11092 Napa Calistoga. Comment
  UCD74398  Lepidium strictum Jake Ruygt 1979-4-20 530 Napa Edgerley Island. 1 Comment
  RSA468547  Leptosiphon androsaceus J. T. Howell 1931-4-19 6441 Napa Conn Valley. Comment
  RSA97993  Leptosiphon androsaceus Robert C. Bechtel 1952-4-20 68 Napa 7 miles northwest of Monticello (Samuel Springs) 91 Comment
  UCD49210  Leptosiphon bicolor K. Mogel; B. Pekin and M. Higley 2002-5-4 13 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; below the point at Quail Ridge at the jct of the lower and upper roads. 259 Comment
  RSA79005  Leptosiphon bicolor E. K. Balls, Lee W. Lenz 1952-5-8 17116 Napa 4 mi N along hwy 29 from jct. of hwy 28 at Woodleaf NW of Calistoga Comment
  UCD164494  Leptosiphon ciliatus A. Amezcua 1995-5-26 22 Napa 300 m west of Berryessa- Knoxville Road, approximately 3 km of Spanish Flat Resort. 200 Comment
  HSC45348  Leptosiphon parviflorus R. York 1978-4-8 110 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  HSC81692  Leptosiphon parviflorus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5143 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UCD118990  Leptosiphon parviflorus Carolyn Thomas 1974-4-14 10814 Napa near Yountville, close to Thomas Ranch. 274 Comment
  UCD170684  Leptosiphon parviflorus 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD18033  Leptosiphon parviflorus Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 582 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. West-facing slope up by air quality station. 548 Comment
  UCD48066  Leptosiphon parviflorus A. Hufton; S. Burgess, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 10 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting Creek, on lower reaches of research hill. 655 Comment
  UCD167234  Leptosiphon parviflorus Jake Ruygt 1983-5-1 1452 b Napa Suscol Ridge east of Highway 29 (221). 22 Comment
  CAS-BOT-BC324164  Lessingia hololeuca Peter H. Raven 1952-8-26 5147 Napa Railway 0.75 miles west of Buchli Station 30 Comment
  JEPS106628  Lessingia ramulosa Jake Ruygt 1979-6-9 690 Napa 21.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 487 Comment
  JEPS20656  Lessingia ramulosa W. L. Jepson 1938-6-8 18887 Napa nw Pope Valley; South Fork of Butts Creek Comment
  UC33165  Lessingia ramulosa H. N. Bolander 1863-1 2617 Napa Pope Valley Comment
  JEPS20585  Lessingia ramulosa Willis L. Jepson 1901-8-6 1732 A Napa Howell Mountain Napa River Basin Comment
  UCD48078  Lewisia rediviva D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa, and K. Watts 2000-4-28 8 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., ca. top of hill, south of path. 548 Comment
  JEPS76054  Leymus triticoides W. L. Jepson 1937-7-16 18451 Napa Oakville Napa Valley Comment
  UC1103518  Lilaea scilloides J. P. Tracy 1903-5-16 1850 Napa near Calistoga; San Francisco Bay Region 91 Comment
  JEPS89888  Lilaeopsis masonii Dean Wm. Taylor with Glenn L. Clifton 1990-5-30 10815 Napa Napa R. in Napa, ca. 150 meters downstream of Third St. bridge, on west bank. Comment
  JEPS113970  Lilium rubescens Jake Ruygt 1979-6-18 702 Napa 1 mile west of Highway 29 on Diamond Mountain Road. Calistoga 7.5' Quad. Comment
  HSC15781  Limnanthes douglasii Greg Bos 1963-3-30 58 Napa 3 mi. S of Middletown on Butts Canyon Rd. 305 Comment
  CHSC84509  Limnanthes douglasii subsp. nivea John Dittes 2003-4-5 2003 -12 Napa Inner North Coast Range; Napa Valley; approximately 1.6 air-miles north by northwest of Calistoga City Hall, approximately 0.9 air-mile northwest of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Road and Tubbs Lane. 121 Comment
  JEPS112566  Limnanthes douglasii subsp. nivea Jake Ruygt 1994-4-16 3350 Napa North end of Chiles Valley near Chiles- Pope Valley Road. 228 Comment
  UCD167292  Limnanthes floccosa subsp. floccosa Jake Ruygt 2005-4-17 4772 Napa Cub Valley' south of Bear Valley. 664 Comment
  SEINET215090  Linanthus dichotomus R. F. Denno 1967-4-15 43 Napa Lower Chiles Valley Road, .75 mi. N. from its junc. with State Hwy. 128. 229 Comment
  UC689684  Linanthus dichotomus Herbert L. Mason 1942-5-24 12540 Napa 3 mi s Pope Valley Store Comment
  UC52757  Linanthus dichotomus J. P. Tracy 1899-6-14 431 Napa Howell Mt. Comment
  POM310952  Linanthus dichotomus subsp. meridianus H. L. Mason 1942-5-24 12540 Napa Eight miles south of Pope Valley Store Comment
  SEINET197690  Linanthus dichotomus subsp. meridianus Herbert L. Mason 1942-5-24 12540 Napa Eight miles s. of Pope Valley Store. Comment
  POM260859  Linanthus dichotomus subsp. meridianus J. T. Howell 1940-5-19 15459 Napa Upper St. Helena Creek. Comment
  POM65868  Linanthus dichotomus subsp. meridianus C. F. Baker 1903-4-30 2627 Napa [Near] St. Helena. Comment
  RSA183447  Linanthus dichotomus subsp. meridianus Carl A. Huether Jr. 1965-3-4 50 Napa Ca. 1/4 mile east of mail boxes on road to M & M Ranch, middle Snell Valley Comment
  JEPS58101  Linanthus jepsonii Willis L. Jepson 1893-5-2 20936 Napa near Calistoga; Napa River Basin Comment
  JEPS110968  Linanthus parviflorus Jake Ruygt 1986-3-29 1672 Napa Blue Ridge above Toll Canyon 432 Comment
  UC1238002  Linanthus parviflorus John Weiler 1961-4-16 6181 Napa 2 mi s Napa State Hospital (along State Highway 12) Comment
  UC52443  Linanthus pygmaeus J. P. Tracy 1902-5-16 1502 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  POM182708  Linaria canadensis var. texana D. D. Keck 1931-4-2 1021 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCD18371  Linum bienne R. Wenk 2000-5-14 7 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  UCD102709  Lithophragma affine M. Wiesendanger 1928-4-5 861 Napa Monticello-Napa Road. Comment
  UCSC009036  Logfia filaginoides Dylan M. Neubauer 2015-4-26 138 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction with Snell Valley Road 200 Comment
  UCD18077  Lolium multiflorum Ellen Dean; with PLB 102 class 2000-4-22 633 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  UCR23398  Lomatium John C. Roos 1939-3-18 302 Napa North Coast Range, Snell Valley, near Angwin 183 Comment
  UCD127614  Lomatium californicum M. Wiesendanger 1927-5-4 703 Napa Monticello, Napa Road. Comment
  UCSB4595  Lomatium californicum Keator, Glenn 1959-3-28 Napa About 1 1/2 miles below Conn's picnic Area, Napa range 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
  UCD15988  Lomatium dasycarpum C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 5 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 11'' N; 122 deg. 21' 13'' W; 530 m. Comment
  UCD148109  Lomatium dasycarpum subsp. dasycarpum Jake Ruygt 1979-4-6 485 Napa Napa County; on Snell Valley Rd. 0.3 mi. east of Butts Canyon Rd. 207 Comment
  UCD148111  Lomatium dasycarpum subsp. dasycarpum Jake Ruygt 1979-3-15 454 Napa South of Milliken Canyon near east end of Westgate Drive. 164 Comment
  UCD170299  Lomatium hooveri Daniel Potter; Ninh Khuu, Kai Battenberg 2016-3-15 839 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 512 Comment
  UCD47859  Lomatium hooveri E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 16 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on east side of dirt road. 390 Comment
  CHSC108731  Lomatium macrocarpum B. Castro; L. P. Janeway 2002-5-12 1359 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 505 Comment
  JEPS104569  Lomatium macrocarpum Jake Ruygt 1986-5-17 1766 Napa American Canyon, .4 mile east of Flosden Road 106 Comment
  SEINET12121677  Lomatium marginatum F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -331 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  UC647527  Lomatium marginatum var. purpureum Joseph P. Tracy 1938-6-5 15832 Napa 5 mi. e. Angwin's (on hills at head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 396 Comment
  JEPS81067  Lomatium marginatum var. purpureum Joseph M. DiTomaso 1980-6-13 1584 Napa Hwy 128, 5 mi NW of jct with Hwy 121 Comment
  SEINET7883499 Image available Lomatium repostum Unknown 1946-1 3048 Napa Southeast slope of Mount Saint Helena near the old inn Comment
  JEPS17552  Lomatium utriculatum Mrs. Mary Van. E. Ferguson 1919-4-13 203 Napa near Atlas Mt. Comment
  UCD164761  Lomatium utriculatum Jake Ruygt 2014-4-7 5917 Napa Sutro Ranch, south end near Foss. 700 Comment
  JEPS12318  Lomatium utriculatum W. L. Jepson 1943-5-15 20771 Napa Berryessa Valley, Oak Grove School Comment
  UCD161637  Lomatium utriculatum Jake Ruygt 2005-5-6 4817 Napa Newell Canyon open space, Napa / Solano County line. 271 Comment
  JEPS104515  Lomatium vaginatum Jake Ruygt 1998-5-30 4003 Napa Table Rock 749 Comment
  UCD137323  Lonicera hispidula Susan Wagener 1955-5-15 60 Napa lookout spot ca. 1/2 mile southwest of Oakville, on Triniti Road. Comment
  UCD20507  Lonicera interrupta E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1080 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
  JEPS85044  Lotus Larry Heckard and Mary Ashton 1969-5-3 2190 Napa ca 7 mi ne Napa (Mead Ranch, off Atlas Peak Rd) 457 Comment
  UC15620  Lotus humistratus Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin Napa River Basin Comment
  JEPS65170  Lotus micranthus W. L. Jepson 1938-5-18 18793 Napa slope above St. Helena Sanitarium; Howell Mountain Comment
  UC1561231  Lotus purshianus var. purshianus Barbara Ertter with Elizabeth Neese 1988-10-2 7957 Napa ca 15 air mi Napa (s side of Rt 128 across from spillway, on Conn Creek, Lake Hennessey); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  UC1197283  Lotus scoparius Joseph P. Tracy 1904-5-23 2100 Napa near Calistoga; Northern Coast Ranges 243 Comment
  JEPS107201  Lotus strigosus Jake Ruygt 1996-4-6 3560 Napa East end of Rector Reservoir. 152 Comment
  JEPS107200  Lotus wrangelianus Jake Ruygt 1986-3-22 1663 Napa Vaca Mountains east of Markley Cove 231 Comment
  RSA735365  Lupinus Keith E. Hoffmaster 1946-3-23 1094 Napa Napa range, along Napa-Monticello road Comment
  RSA113240  Lupinus albicaulis var. shastensis E. K. Balls, Lee W. Lenz, B. K. Balls 1955-5-12 2450 Napa 1.7 mi. nw. Placer-Nevada Co. Line, along rd. from Coflax to Grass Valley. 747 Comment
  HSC43951  Lupinus albifrons Robert M. Specht 1977-4-13 1600 Napa South-facing slope 488 Comment
  JEPS64919  Lupinus albifrons Willis L. Jepson 1893-5-2 53 t Napa new Pope Valley Grade from Calistoga; Napa River Basin, new Pope Valley grade Comment
  UC402911  Lupinus albifrons Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George; nw flanks of Mt. George Comment
  UCD105893  Lupinus albifrons Rimo Bacigalupi; L. Heckard, P. C. Silva 1962-4-16 8446 Napa 8.6 miles north of Vichy Springs junction (on Calif. 37), along Atlas Peak road; 1800 ft. Comment
  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-BC196281  Lupinus albifrons var. eminens Mrs. H. P. Bracelin 1930-3-29 s.n. Napa N.W. flanks of Mt. George Comment
  CAS-BOT-BC196282  Lupinus albifrons var. eminens John Thomas Howell 1931-4-3 6125 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  JEPS107230  Lupinus bicolor Jake Ruygt 1980-5-13 889 Napa Campbell Flat, Mt. St. John 316 Comment
  JEPS107234  Lupinus bicolor Jake Ruygt 1995-5-1 3460 Napa Silverado Trail at Souza Lane, Napa. 12 Comment
  UCD18166  Lupinus bicolor 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
  UCD33703  Lupinus bicolor Beecher Crampton 1972-4-19 8790 Napa 3 miles north of Moskowite Corner at the north end of Capell Valley. Comment
  UCD47994  Lupinus bicolor Michele Disney; J. Westbrook,S. Ratay,,R. Wolfson,A. Houser,S. Wathen 2000-4-22 17 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UC1300887  Lupinus bicolor Helen K. Sharsmith 1963-3-17 5229 Napa along Silverado Trail; San Francisco Bay Region, along Silverado Trail 76 Comment
  POM181684  Lupinus densiflorus var. aureus Williams 1927-4-15 s.n. Napa Hills. Comment
  POM181010  Lupinus densiflorus var. densiflorus Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley. Comment
  UC15865  Lupinus formosus Willis L. Jepson 1893-1 Napa Napa River Basin, near Oakville Comment
  UC865161  Lupinus formosus Lewis S. Rose 1935-9-12 35651 Napa 2 mi nw Napa; nw of Napa 60 Comment
  JEPS107227  Lupinus formosus var. formosus Jake Ruygt 1976-6-8 113 Napa 2.4 miles east of HWY 29 on Jameson Canyon Road 91 Comment
  POM66217  Lupinus latifolius subsp. latifolius Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  RSA10670  Lupinus latifolius subsp. latifolius Carl B. Wolf 1928-5-3 1819 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  OBI48330  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jctn Hwy 29 in Rutherford, 3.6 mi W jct Lower Chiles Valley Rd Comment
  UCD108720  Lupinus microcarpus var. densiflorus Ethel H. Hyde 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  SD243357  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 miles E junction CA 121, 2.9 miles W Monticello Dam, Lake Berryessa. 289 Comment
  CHSC108727  Lupinus microcarpus var. microcarpus B. Castro; L. P. Janeway 2002-5-12 1371 Napa Inner North Coast Ranges. CA 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. 536 Comment
  CHSC84571  Lupinus nanus John Dittes 2003-4-5 2003 -14 Napa Inner North Coast Range; approximately 6.0 air-miles north of Calistoga, west of confluence of St. Helena and Van Ness Creeks, approximately 0.7 air-mile south of the Lake County Line; on slope below State Hwy 29. 475 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
  UCD48960  Lupinus nanus C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 20 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; between West Rd. and Decker Bay Trail, N side of creek, just SW and downslope of West Rd. 167 Comment
  RSA169364  Lupinus nanus subsp. nanus L. S. Rose 1964-4-2 64014 Napa St. Helena 76 Comment
  JEPS65412  Lupinus pachylobus Edw. L. Greene 1892-1 Napa Mt. St. Helena Comment
  JEPS65423  Lupinus polyphyllus Willis L. Jepson 1893-6-26 24 t Napa Howell Mt.; Napa River Basin, Howell Mt., Angwin's Meadows 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
  POM125418  Lupinus sericatus Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena Comment
  UC527962  Lupinus sericatus R. Bacigalupi, R. S. Ferris, and I. L. Wiggins 1933-6-2 6666 Napa on road to Aetna Springs 3 mi n Pacific Union College (on Howell Mt.); n of Pacific Union College (on Howell Mt.) Comment
  UCR43183  Lupinus sericatus L. F. LaPre 1985-4-24 s.n. Napa Inner North Coast Ranges, Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. line and south of Three Peaks 671 Comment
  HSC89680  Lupinus vallicola Robin Bencie, Rich Dwerlkotte 1989-3-24 27 Napa A few mi. N of Callistoga, along Hwy. 29 Comment
  JEPS120343  Lythrum californicum Jake Ruygt 2000-6-10 4275 Napa Adams Creek. Walter Springs 7.5' Quad. Comment
  CHSC102263  Lythrum hyssopifolia Lowell Ahart 2009-10-27 16488 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CHSC103006  Lythrum hyssopifolia Lowell Ahart 2009-10-12 16442 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
  UCD103031  Lythrum hyssopifolia K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  UC33196  Madia capitata Willis L. Jepson 1893-1 Napa near Napa City; Napa River Basin Comment
  CAS-BOT-BC343830  Madia elegans David D. Keck 1933-11-10 2714 Napa Calistoga Comment
  CAS-BOT-BC343833  Madia elegans Alice Eastwood 1918-9-3 7966 Napa Calistoga Comment
  UCD73449  Madia elegans Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  CAS-BOT-BC344444  Madia exigua Peter H. Raven 1950-7-20 2378 Napa Howell Mtn., on nne side road to Pope Valley Comment
  UCD21540  Madia exigua B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 5 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of ) intersection with Knoxville-Berryessa Road. 487 Comment
  JEPS6135  Madia exigua W. L. Jepson 1897-6-2 Napa Napa Valley Comment
  UC584054  Madia exigua J. Clausen 1935-5-22 1070 Napa ca 1 mi e Chiles Valley Store Comment
  CAS-BOT-BC343193  Madia gracilis John H. Thomas 1955-5-21 5127 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC343197  Madia gracilis Peter H. Raven 1952-5-31 4139 Napa Summit of hills sw. of Rector Canyon 304 Comment
  JEPS106549  Madia gracilis Jake Ruygt 1986-8-10 1898 Napa Recreation Flat, Los Posados State Forest 377 Comment
  UCD48579  Madia gracilis K. Mogel; B. Pekin and M. Higley 2002-5-4 5 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East raods; ca. 100 ft along the lower road that leads to the power lines; immediately downslope of road. 335 Comment
  UCD48589  Madia gracilis S. Murphy; K. Keck and K. Dyer 2002-5-5 2 Napa Quail Ridge UC Reserve, northern tip of ridge, 7 m from E edge of stock pond. 328 Comment
  CAS-BOT-BC343198  Madia gracilis David D. Keck 1933-5-29 2372 Napa 10 miles north of Monticello on road to Knoxville Comment
  JEPS40220  Madia gracilis W. L. Jepson 1894-7-19 Napa Calistoga Man. Bay. Reg. Comment
  RSA10680  Madia madioides C. B. Wolf 1928-5-3 1807 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  POM263489  Madia nutans J. C. Roos 1939-4-16 258 Napa Angwin. Comment
  POM298296  Madia nutans D. D. Keck 1931-4-2 1027 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 200 Comment
  POM362234  Madia nutans J. T. Howell 1931-4-2 6075 Napa Wooden Valley Grade, 5 miles east of Napa 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
  JEPS122720  Malacothamnus fremontii Jake Ruygt 1986-7-5 1858 Napa Berryessa-Knoxville Road at mile 24.45. Quad: Knoxville. Comment
  CAS-BOT-BC347517  Malacothrix floccifera Peter H. Raven 1951-5-6 2824 Napa Burn below Conn Dam 274 Comment
  CAS-BOT-BC347518  Malacothrix floccifera Alice Eastwood; John Thomas Howell 1939-6-11 7423 Napa Hood Mt. Range sw. of Oakville Comment
  UCD70465  Malacothrix floccifera B. Wengeler 1995-4-30 s.n. Napa West of city of Winters, 2 m N of hwy 128 along Knoxville Rd. Open hillside of rocky, serpentine soil. Annual, 12 in tall. Flowers cream. 183 Comment
  JEPS122721  Malva parviflora Jake Ruygt 1978-6-25 368 Napa 1.5 mile west of Old Sonoma Road on Highway 12. Quad: Napa Comment
  JEPS106389  Marah fabacea Jake Ruygt 1976-4-23 17 Napa 2.1 miles NE of Silverado Trail on Deer Park Rd. 213 Comment
  UCD136577  Marsilea vestita subsp. vestita Kurt Santarius 1967-9-10 s.n. Napa Lake Hennessey. 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
  CAS-BOT-BC271154  Melica Peter H. Raven 1964-5-9 19045 Napa Edge of redwood grove along dirt road 2 miles west of Aetna Springs Comment
  JEPS69300  Melica californica W. L. Jepson 1915-4-23 6248 Napa Conn Valley Comment
  SACT001483  Melica californica John Willoughby 1977-4-20 Napa Near latitude of Mount Vaca about 500 feet below ridge, chaparral, south-facing slope. 609.6 Comment
  UC771210  Melica californica W. S. Boyle 1942-4-25 1071 Napa 10 mi n Napa (on the Silverado Trail road) Comment
  UCD36944  Melica californica Beecher Crampton 1956-5-25 3465 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD87208  Melica californica J. Street 1950-1 s.n. Napa 4 mi. E of Rutherford. Comment
  POM357027  Melica californica var. nevadensis Robert M. Specht 1977-4-19 686 Napa Above drainage running NE from Adams Creek (site 163). 524 Comment
  UCD81834  Melica geyeri Ellen Dean 2009-4-24 5464 Napa Property at 600 Petrified Forest Road. 170 Comment
  CDA32499  Melica geyeri Unknown 1928-3-15 s.n. Napa Blake Estate, east of Pacific Union College. 0 Comment
  JEPS122947  Melica harfordii Jake Ruygt 1987-5-16 2001 Napa Devil's Canyon, below the falls. Quad: Sonoma. Comment
  UCD164748  Melica harfordii Jake Ruygt 2014-6-9 5985 Napa Livermore Ranch, Bear Valley. 623 Comment
  SACT001542  Melica torreyana John Willoughby 1977-4-20 Napa blue oak woodland/chaparral ecotone; in shade of Quercus wislizenii 365.76 Comment
  SBBG115838  Melica torreyana B. Crampton 1958-4-29 4756 Napa Capell Crks, N end of Capell Valley Comment
  UC53664  Melica torreyana W. L. Jepson 1896-6-2 Napa Conn Ridge Comment
  UCD88838  Melica torreyana Beecher Crampton 1956-5-25 3487 Napa Howell Mountains. Comment
  UCD89195  Melica torreyana J. Street 1950-4-25 s.n. Napa 4 mi. E of Rutherford. Comment
  UCR212326  Melica torreyana 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
  UCD48030  Melilotus indicus Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 12 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  JEPS63287  Melissa officinalis W. L. Jepson 1934-10-19 16904 Napa Napa R. near St. Helena; San Francisco Bay vicinity, Napa R. Comment
  UC19605  Mentzelia laevicaulis var. laevicaulis Brewer Aug 1862 1315 Napa Rag [Wragg] Canyon near Putah Creek Comment
  JEPS122695  Mesembryanthemum nodiflorum Jake Ruygt 1996-9-9 3783 Napa About 1/4 mile from west end of Green Island Road. Quad: Cuttings Wharf. Comment
  CAS-BOT-BC428853  Micranthes californica Carl B. Wolf 1928-5-3 1839 Napa Base of Mt. St. Helena Comment
  CAS-BOT-BC428857  Micranthes californica Alice Eastwood 1918-5-1 6848 Napa Mt. St. Helena Comment
  UCD17973  Micropus amphibolus Ellen Dean; Kate Mawdsley 2001-4-9 692 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  SFV4057  Micropus californicus J. M. Tucker 1965-5-15 3829 Napa Along headwaters of Zim Zim Creek, about 0.5 miles west of Devilhead Road and about 3 miles south southwest of Knoxville. Comment
  CAS-BOT-BC348545  Micropus californicus var. californicus John Thomas Howell 1929-5-30 4274 Napa 2 miles west of Samuels Springs on Pope Valley Creek, Napa Range Comment
  JEPS106895  Micropus californicus var. californicus Jake Ruygt 1996-5-13 3668 b Napa Wontrop Wildlife Santuary, Hardin Road, Pope Valley 216 Comment
  UC527930  Micropus californicus var. californicus R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6655 Napa roadside 5 mi e St. Helena (on road to Pope Valley) 304 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
  UCD148785  Microseris douglasii subsp. douglasii Ellen Dean; Diana Hickson 2014-4-29 8093 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  CAS-BOT-BC348967  Microseris douglasii subsp. douglasii John Thomas Howell 1931-4-3 6112 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  CAS-BOT-BC349100  Microseris douglasii subsp. tenella M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  POM41560  Microseris douglasii subsp. tenella Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CDA11431  Mimulus angustatus G. F. Hrusa, M. Tu 1995-5-6 12154 Napa North Coast Biodiversity Arena; Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  UC147916  Mimulus arvensis J. P. Tracy 1899-6-11 362 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  JEPS11536  Mimulus arvensis W. L. Jepson 1915-4-23 6238 Napa hills e St. Helena 182 Comment
  UCD121190  Mimulus aurantiacus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7363 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and Recreation Flat. 526 Comment
  UCD14920  Mimulus aurantiacus Glen Dreyer 1977-4-16 39 Napa California, Napa Co.; along Highway 128, ca. 3 mi. west of Monticello Dam; 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
  UCD49285  Mimulus aurantiacus A. Collier; D. Caterson and S. Kenady 2002-5-4 10 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off N side of road 10 m. 350 Comment
  JEPS10220  Mimulus aurantiacus var. aurantiacus Willis L. Jepson 1893-4-28 78 m Napa near Mt. George (Wooden Valley grade); Napa River Basin, Napa Mts. Comment
  UC1778561 Image available Mimulus bolanderi S. E. Schoenig 1998-6-3 98 -20 Napa Research Hill, 0.1 mi. SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd., 1 mi. NW of Homestake mine. Lat corrected from 35 655 Comment
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Jul 14 2006
  JEPS110748  Mimulus cardinalis Jake Ruygt 1979-6-28 723 Napa Milliken Canyon, south wall 121 Comment
  UCD84984  Mimulus congdonii Dena Grossenbacher 2009-3-3 948 Napa East side of Bell Creek about 75 meters up slope from creek. Wildlake Preserve, Napa County Land Trust property. 461 Comment
  RSA114031  Mimulus guttatus Peter H. Raven 1957-5-5 10754 Napa Calistoga. Comment
  SEINET8733203 Image available Mimulus guttatus Laura Zeller 1965-1 28 Napa Ca. 2.5 miles NE of Pope Valley Road and Pope Canyon Road junction on Pope Valley Road. Elevation ca. 700 feet. 213 Comment
  JEPS100379  Mimulus layneae Dean W. Taylor 2001-5-15 17656 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS100846  Mimulus layneae Dean Wm. Taylor with Mey Akasah 1999-6-4 17224 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  UCD85032  Mimulus layneae Dena Grossenbacher 2009-5-14 991 Napa Along east side of Ink Grade Road about 0.3 miles north of junction with Howell Mountain Road. 557 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
  UC963877  Mimulus layneae Milo S. Baker 1947-7-7 11849 Napa s Mt. St. Helena Inn (at end of wood rd.) 914 Comment
  UC26986  Mimulus microphyllus W. L. Jepson 1893-4-26 Napa near La Lomita; Napa River Basin; Napa River Basin, near La Lomita Comment
  UC614484  Mimulus microphyllus L. Constance 1938-3-27 2040 Napa above Wooden Valley (8 mi ne of Napa, e slope of mountains); Coast Ranges, Howell Mountains 457 Comment
  UCD63063  Mimulus microphyllus Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville-Berryessa Road between Moskowite Corner and Spanish Flat. 190 Comment
  UC26938  Mimulus nasutus Edw. L. Greene 1894-6-17 Napa Calistoga; ; Calistoga, Napa Co. Comment
  JEPS101493  Mimulus nudatus Dean W. Taylor 1998-5-20 16445 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  RSA183420  Mimulus nudatus J. M. Tucker 1965-5-15 3826 Napa Devilhead Road, Cedar Valley, 4 miles (airline) south and a little west of Knoxville 655 Comment
  SFV3393  Mimulus nudatus J. M. Tucker 1965-5-15 3826 Napa Devilhead Road, Cedar Valley. About 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  UCD163405  Mimulus nudatus D. Slakey; CNPS Volunteers 2015-4-25 119 Napa South side of Hunting Creek Road, about 900 road meters east of the Campground at the west end of the road. Behind fence. 411 Comment
  UCD167090  Mimulus nudatus Jake Ruygt 2015-3-7 6030 Napa South of Snell Peak. 305 Comment
  UCD85033  Mimulus pulsiferae Dena Grossenbacher 2009-5-14 992 Napa Along east side of Ink Grade Road about 0.3 miles north of junction with Howell Mountain Road. 557 Comment
  CDA41814  Mimulus tricolor S. E. Schoenig 1998-6-3 98 -18 Napa 15 meters east of Knoxville-Berryessa Road, 2 miles south of Homestake Mine. Comment
  UC1778537  Mimulus tricolor S. E. Schoenig 1998-6-3 98 -18 Napa Vernal pool 15 meters E of Knoxville-Berryessa Rd. , 2 mi. S of Homestake mine site.Lat corrected from 35 426 Comment
  UCD96021  Mimulus tricolor Dena Grossenbacher; Brian Green 2008-4-10 767 Napa On north side of Knoxville-Berryessa Road about 0.7 miles east of Devil's Head Road junction, McLaughlin UC Reserve. 422 Comment
  CAS-BOT-BC174565  Minuartia californica Peter H. Raven 1950-4-15 1753 Napa Wooden Valley Grade, above Napa 457 Comment
  SEINET5725995 Image available Minuartia californica Stephen Randall 1974-1 3 Napa 1 air mile southeast of Pope Valley, just west of Chiles-Pope Valley Road.; Pope Valley 207 Comment
  UC903159  Minuartia californica Ethel Crum 1937-4-19 1785 Napa 17 mi ne Napa; Napa Range, Steel Canyon Comment
  CAS-BOT-BC388753  Minuartia douglasii Carl B. Wolf 1928-5-3 1791 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  UCD160645  Minuartia douglasii Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8732 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  UCD169787  Minuartia douglasii Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 795 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 446 Comment
  JEPS110818  Monardella douglasii Jake Ruygt 1985-6-3 1609 Napa American Canyon, .4 miles east of Flosden Rd. 161 Comment
  JEPS110816  Monardella villosa subsp. villosa Jake Ruygt 1980-6-29 947 Napa Steele Canyon 201 Comment
  POM70262  Monardella viridis W. J. Nicholas 1901-7-6 s.n. Napa St. Helena. Comment
  UC292738  Monardella viridis W. L. Jepson 1894-10-13 Napa Cam Valley Cam <Conn> Valley (hillsides) Comment
  JEPS2653  Monardella viridis subsp. viridis W. L. Jepson October 1894 70 d Napa Upper Conn Valley Napa Range; Upper Conn Valley, Napa Range Comment
  JEPS43266  Montia fontana Willis L. Jepson May 1893 Napa Upper Napa Valley, Calistoga Calistoga; Napa River Basin, Upper Napa Valley, Calistoga Comment
  UCD37368  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa Napa County, north end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  JEPS62066  Muilla maritima Elsa Kraeger 1926-3-27 Napa in field near geyser; Calistoga Comment
  JEPS126063  Myriophyllum hippuroides Jake Ruygt 2010-8-5 5688 Napa Small lake south of Wild Lake. Saint Helena 7.5' Quad. Comment
  UCD19937  Myriophyllum sibiricum E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 795 Napa Quail Ridge Reserve. Gorwing along margin of Lake Berryessa. 121 Comment
  JEPS126065  Myriophyllum spicatum Jake Ruygt 2010-8-14 5716 Napa Lake. Walter Springs 7.5' Quad. Comment
  JEPS129124  Najas minor Jake Ruygt 2010-8-14 5722 Napa NW shore of Lake Berryessa; Barton Hill. Walter Springs 7.5' Quad. Comment
  CAS-BOT-BC259965  Nassella lepida David D. Keck 1931-4-2 1017 Napa Wooden Valley Grade, W side of Napa Range, 5 miles NE of Napa 170 Comment
  CAS-BOT-BC260177  Nassella pulchra John Thomas Howell 1931-4-2 6087 Napa Summit of Wooden Valley Grade 8 miles E of Napa Comment
  CAS-BOT-BC260178  Nassella pulchra H. M. Hall 1921-4-14 11265 Napa Near Napa junction Comment
  UC70997  Nassella pulchra Joseph Burtt Davy Apr. 1902 Napa St. Helena Comment
  UCD87466  Nassella pulchra Beecher Crampton 1956-5-25 3478 Napa Grade crest north of Wooden Valley, Bruno's Place. Comment
  JEPS120321  Navarretia divaricata subsp. vividior Jake Ruygt 2007-5-17 5174 Napa Wildlake Ranch, near Potato Hill . Calistoga 7.5' Quad. Comment
  UC963914  Navarretia divaricata subsp. vividior Milo S. Baker 1947-7-7 11854 Napa s of Mt. St. Helena Inn (rd leading towards the Crater) 914 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
  JEPS112538  Navarretia heterodoxa Jake Ruygt 1992-6-11 3028 Napa south of Mitten lake, Wild Horse Valley Ranch 426 Comment
  UC143008  Navarretia heterodoxa Mrs. K. Brandegee 1910-7-28 139 Napa Angwin Comment
  UCR212281  Navarretia heterodoxa 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
  UCD160711  Navarretia intertexta subsp. intertexta Ellen Dean; Jake Ruygt 2015-5-23 8770 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  UC908643  Navarretia jepsonii Mrs. K. Brandegee Jul 26 1910-Jun 1 1911 148 Napa near Aetna Springs Comment
  JEPS112554  Navarretia mellita Jake Ruygt 1982-7-17 1374 Napa Deer Park Rd. at Four Corners 414 Comment
  UCD167131  Navarretia paradoxinota Jake Ruygt 2015-5-23 6113 Napa Missimer - Snell Valley Preserve. 178 Comment
  UCD19338  Navarretia pubescens M. A. Bibbo; E. Dean 2001-7-6 31 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, just north of powerline, ca. 0.6 air miles from jct of W and E roads, on top of ridge. 251 Comment
  CAS-BOT-BC232670  Navarretia pubescens John Thomas Howell 1933-6-4 11390 Napa E of Napa Comment
  UCD48623  Navarretia pubescens Katherine Lahey 1981-5-24 102 Napa Napa Co. 2.2 mi S of junction State Hwy's 128 and 121 on Hwy 128 roadside. 243 Comment
  JEPS123265  Navarretia rosulata David Gowen with Jake Ruygt 2011-6-11 1157 Napa Cedar Roughs. Comment
  UC133781  Navarretia squarrosa Katharine Brandegee Napa Howell Mt. Comment
  JEPS123176  Navarretia subuligera David Gowen with Leigh Johnson 2009-5-30 1037 Napa Robert Louis Stevenson State Park, south of Table Rock area. Comment
  RSA292975  Nemacladus capillaris Reino Alava 1957-5-30 1007 Napa About one half mile toward Monticello from junction of the road to Monticello and State Highway 128. 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
  JEPS78509  Nemacladus montanus W. L. Jepson 1920-5-25 9037 Napa Knoxville Ridge Comment
  JEPS1208  Nemacladus montanus Freed Hoffman 1952-5-24 Napa 8.3 mi w junction of Monticello, Sage Canyon and Winters roads (Sage Canyon road) Comment
  SEINET10906140  Nemacladus montanus Hoffman 1952-5-24 HOFFMAN s.n. Napa Sage Canyon Road, 8.3 miles west of the junction of the Monticello, Sage Canyon, and Winters roads Comment
  HSC10925  Nemophila heterophylla Greg Bos 1963-3-3 26 Napa W slope of [Lake] Berryesa, Spanish Flat area. 152 Comment
  UC131501  Nemophila heterophylla C. F. Baker 1903-4-20 2610 Napa Mt. St. Helena Comment
  UC24167  Nemophila heterophylla H. P. Chandler 1900-5-7 630 Napa Rutherford Comment
  UCSB5319  Nemophila heterophylla Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway #37; 500 feet above valley floor 304 Comment
  RSA10661  Nemophila heterophylla Carl B. Wolf 1928-5-3 1828 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  UC1031219  Nemophila heterophylla Rolf Y. Berg 1954-5-23 Napa Highway 37 two mi n Wooden Valley Junction; n of Wooden Valley junction Comment
  JEPS110841  Nemophila menziesii Jake Ruygt 1977-3-14 156 Napa .2 mile north of Silverado Trail on Soda Canyon Rd. 121 Comment
  RSA733621  Nemophila menziesii Keith E. Hoffmaster 1946-3-23 1076 Napa Napa range, along Napa-Monticello road. Comment
  UC545848  Nemophila menziesii E. Crum 1936-3-15 1737 Napa Chiles Valley Road 3.2 mi from Pope Valley Store; Chiles Valley Road <nr> Pope Valley Store Comment
  UCD120214  Nemophila menziesii G. F. Hrusa; S. Larson 1995-4-10 12063 Napa Along Chiles Valley/Pope Valley Rd. approx. 2 m. S of Pope Canyon Rd. intersection. North Coast Biodiversity Arena. 175 Comment
  UCD159790  Nemophila menziesii var. atomaria James A. Neilson Jr. 1975-4-13 3135 Napa Soda Canyon Road, near outlet of canyon. 60 Comment
  UCR12042  Nemophila menziesii var. atomaria Coleta A. Lawler 1970-1 253 Napa North Coast Range, Chiles-Pope Road, 3.3 mi. south of Pope Valley 198 Comment
  UCD120239  Nemophila menziesii var. atomaria Charles B. Heiser Jr. 1947-2-18 1880 Napa 14 miles north of Napa. Comment
  UCD166683  Nemophila menziesii var. atomaria Jake Ruygt 1998-3-21 3883 Napa west of Pope Canyon Road, north side of Burton Creek. 187 Comment
  POM264589  Nemophila menziesii var. menziesii J. C. Roos 1939-3-31 309 Napa Angwin. Howell Mtns. Comment
  UCD118354  Nemophila menziesii var. menziesii Reed Crane; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, on Recreation flat. 387 Comment
  JEPS110840  Nemophila parviflora var. parviflora Jake Ruygt 1980-3-30 822 Napa Van Ness Canyon 609 Comment
  SEINET5521059  Nemophila parviflora var. parviflora H. P. Chandler 1907-5-14 7569 Napa White Sulphur Springs 150 Comment
  UCD166686  Nemophila pedunculata Jake Ruygt 1991-3-11 2668 Napa intersection of Aetna Extension Rd and Oat Hill Mine Rd. 670 Comment
  JEPS113971  Odontostomum hartwegii Jake Ruygt 1992-5-25 3003 Napa West of vernal pool meadow, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  RSA475189  Odontostomum hartwegii Aaron Liston, Sara Meury 1988-6-1 755 -1 Napa Bothe-Napa Valley State Park; campground site 21. 150 Comment
  UC15042  Odontostomum hartwegii J. P. Tracy 1902-5-14 1443 Napa Howell Mt. grade near St. Helena (head of Moore's Creek, 3 - 4 mi. e. of Angwin's); Howell Mt., Moore's Creek 182 Comment
  SEINET12332381  Odontostomum hartwegii A. Liston, Meury, S. 1988-1 755 -1 Napa Bothe - Napa Valley State Park, campground site 21 150 Comment
  JEPS110557  Oemleria cerasiformis Jake Ruygt 1987-3-14 1926 Napa Conn Valley Rd. (near PG&E and transform er) 109 Comment
  JEPS43960  Oenothera elata subsp. hirsutissima Willis L. Jepson 1893-9-23 14495 Napa above Calistoga; Napa River Basin, Upper Napa Valley Comment
  JEPS110569  Orobanche bulbosa Jake Ruygt 1986-6-14 1824 Napa Craters; canyon at head of Table Rock 707 Comment
  UCD167256  Orobanche fasciculata Jake Ruygt 1992-5-12 2955 Napa Tuteur Ranch, NE of reservoir on Spencer Creek. 249 Comment
  UCD167258  Orobanche uniflora Jake Ruygt 1998-4-18 3926 b Napa Blue Ridge about 1 mile north of Mays Flat. 701 Comment
  CAS-BOT-BC243699  Orobanche valida subsp. howellii Keith Wallace 1964-6-1 s.n. Napa 1/8 mile E of lookout, SW slope of Mt. St. Helena 1219 Comment
  CAS-BOT-BC238388  Orthocarpus M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  RSA101987  Orthocarpus lithospermoides Frank W. Johnson 1890-5-27 260 Napa Napa Valley. Comment
  POM182685  Orthocarpus pusillus D. D. Keck 1931-4-3 1072 Napa Pope Valley P.O. 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
  CAS-BOT-BC316824  Packera clevelandii Harvey Monroe Hall 1923-10-14 11943 Napa 8 miles n. of Pope Valley. Along a small stream. Comment
  JEPS37601  Packera eurycephala Joseph Ewan 1934-4-30 Napa 8 mi above Monticello; Pope Creek Comment
  JEPS106860  Packera eurycephala var. eurycephala Jake Ruygt 1998-5-30 4008 Napa Mt. St. Helena fire trail about 3/4 mile from RLS cabin trail. 883 Comment
  UC1234611  Packera eurycephala var. eurycephala Peter H. Raven 1962-5-31 17919 Napa 1.9 mi s Lake County line (on Lower Lake-Knoxville road) 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
  UC767457  Packera eurycephala var. eurycephala R. F. Hoover 1941-4-26 4911 Napa below Monticello; Putah Creek Canyon Comment
  JEPS106858  Packera greenei Jake Ruygt 1979-5-20 623 Napa about 1 mile east of HWY 29 on Livermore Road 533 Comment
  UCD36304  Packera greenei Beecher Crampton 1953-5-19 1303 Napa Chiles Valley, 11 miles east of Rutherford, on Highway 128. Comment
  JEPS122965  Panicum acuminatum var. acuminatum Jake Ruygt 1986-5-5 1748 Napa NW slope of Mt. George. Quad: Mt. George. Comment
  UCD20764  Panicum capillare M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 113 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  UCD89789  Panicum capillare subsp. hillmanii Beecher Crampton 1974-9-19 9089 Napa south of Yountville. Comment
  JEPS110746  Parentucellia viscosa Jake Ruygt 1988-5-4 2178 Napa SW corner of HWY 29 and Airport Rd. 19 Comment
  UC1746158  Parvisedum pumilum Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2759 Napa Howell Mtn. Road near Angwin Creek crossing. Comment
  UC11240  Parvisedum pumilum Willis L. Jepson 1893-4-28 Napa near Napa City (Napa River Basin); Napa River Basin Comment
  UC571854  Parvisedum pumilum H. L. Mason 1935-5-5 3494 Napa 3 mi s of Napa City Comment
  UCD169887  Pedicularis densiflora Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 726 Napa Knoxville Wildlife Area. 311 Comment
  UCD18029  Pedicularis densiflora Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 574 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
  UCD123323  Pedicularis densiflora David Lawfer 1952-4-20 146 Napa 5 miles northeast of Napa. Comment
  SEINET3872924  Pellaea andromedifolia Daphne K. Christopher, Hannah Stevens; Mark Bibbo 2003-4-11 143 Napa Uc Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation.; 0 166 Comment
  UCD73415  Pellaea andromedifolia 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
  UCD162089  Pellaea mucronata Dylan O. Burge 2014-3-15 1486 Napa Mount Saint Helena. 850 Comment
  JEPS7561  Penstemon heterophyllus var. heterophyllus W. L. Jepson 1936-5-31 17566 Napa Howell Mt. betw. Toland House and Angwin; Howell Mt. btw Toland House and Angwin 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
  UC35614  Pentachaeta exilis Willis L. Jepson 1893-5-8 Napa Howell Mt. Napa River Basin Comment
  CAS-BOT-BC71673  Pentagramma triangularis subsp. triangularis John H. Thomas 1955-5-21 5149 A Napa Along State Highway No. 128, about 4.5 miles south of Menticello 167 Comment
  CAS-BOT-BC71676  Pentagramma triangularis subsp. triangularis Peter H. Raven 1953-2-21 5193 Napa Wooden Valley Grade 274 Comment
  UCD48366  Pentagramma triangularis subsp. triangularis S. Colby; L. Hanson, D. Bosworth, K. Sesser, G. Belley 2001-4-14 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut Off Rd. from South Decker Canyon Rd. 182 Comment
  UCD161739  Perideridia kelloggii Jake Ruygt 1992-7-22 3107 Napa south end of Wooden Valley, Wild Horse Valley Ranch. 179 Comment
  UCD99465  Persicaria lapathifolia Barbara Ertter 1988-10-2 7962 Napa Lake Hennessey ca 15 air miles NNW of Napa, on Conn Creek in North Coast Ranges. E of boat-launching ramp on SE edge. 91 Comment
  SBBG128015  Persicaria punctata L. Ahart 2009-10-12 16449 Napa Capell Crk NE of Rest Area, 0.75 mi NE of Hwy 128 on Berryessa Knoxville Rd, 0.75 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi W of Winters 133 Comment
  JEPS37159  Petasites frigidus var. palmatus Mrs. C. A. Hunt 1909-3-25 Napa Comment
  UCD98389  Petrorhagia dubia R. L. Smith 1948-5-8 s.n. Napa 6 mlies north of Aetna Springs, Pope Valley. Comment
  SEINET5760572  Phacelia distans M. J. Williams 1967-5-7 s.n. Napa Howell Mountain, between St. Helena and Angwin 259 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
  UC131125  Phacelia imbricata Katharine Brandegee 1909-6-1 Napa from Calistoga Pope Valley grade Comment
  UC1001191  Phacelia nemoralis subsp. nemoralis Peter H. Raven 1952-5-31 4154 Napa Rector Dam 152 Comment
  CAS-BOT-BC154361  Phacelia suaveolens Belle R. Jackson 1930-6-20 s.n. Napa Middle peak, Mt. St. Helena Comment
  JEPS110799  Phacelia tanacetifolia Jake Ruygt 1981-4-18 980 Napa Harris Canyon 365 Comment
  UCD166688  Phacelia tanacetifolia Jake Ruygt 1998-5-20 3987 Napa Blue Ridge, +/- 1.5 miles north of Mays Flat. 685 Comment
  CAS-BOT-BC265790  Phalaris aquatica T. H. Kearney 1951-6-16 s.n. Napa Along Vichy Road ca. 2 mi. from Napa Comment
  UCD48242  Phoradendron bolleanum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 6 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  CDA11824  Phoradendron densum G. F. Hrusa 1993-10-3 11427 Napa North Coast Biodiversity Arena; 2 m. SW along Knowxville-Devilhead Rd. from Knoxville-Berryessa Rd. 518 Comment
  JEPS40268  Phoradendron densum Lauramay T. Dempster 1965-5-16 4095 Napa rd. below Cedar Valley toward KNoxville 426 Comment
  UC639129  Phoradendron densum H. L. Mason and L. Constance 1939-12-21 Napa on shoulder of Mt. St. Helena (on Middletown-Calistoga rd. at Lake Co. line) Comment
  UCD118117  Phoradendron leucarpum subsp. tomentosum Megan Mateo; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. Ca. 0.1 mile from fire station along undeveloped road, on north side of road. 518 Comment
  UCD48243  Phoradendron leucarpum subsp. tomentosum D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-25 s.n. Napa Berryessa-Knoxville Road. UC McLaughlin Nature Reserve. 650 Comment
  UC6101  Phoradendron villosum Willis L. Jepson 1894-1 Napa Napa R. Basin, St. Helena Comment
  RSA92929  Phoradendron villosum Peter H. Raven 1951-8-19 3851 Napa Near Lokoya. 457 Comment
  JEPS110922  Physalis philadelphica Jake Ruygt 1969-12-31 418 Napa Napa River south of Trancas St., Napa 3 Comment
  CDA12114  Pickeringia montana G. F. Hrusa 1989-5-2 7185 Napa North Coast Biodiversity Arena; Hwy 128 approx. 1/2 mile S of Knoxville-Berryessa Rd. intersection. Comment
  SEINET2056445 Image available Pickeringia montana M. F. Wojciechowski 2000-5-27 895 Napa Cache Creek area north of Lake Barryessa. Comment
  CAS-BOT-BC202267  Pickeringia montana var. montana Belle R. Jackson 1939-6-11 s.n. Napa Mead Ranch, Atlas Way, Napa Mts. Comment
  JEPS65570  Pickeringia montana var. montana W. L. Jepson 1938-5-25 18859 a Napa Bell Canyon Howell Mt. 579 Comment
  UC1197436  Pickeringia montana var. montana Joseph P. Tracy 1899-7-6 398 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  UC17042  Pickeringia montana var. montana Willis L. Jepson 1896-2-23 Napa La Jota Falls Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC73327  Pinus attenuata L. R. Abrams 1928-5-4 12273 Napa Near summit Mt. St. Helena. Comment
  CAS-BOT-BC73374  Pinus attenuata Peter H. Raven 1951-8-21 3876 Napa Mt. Veeder 792 Comment
  JEPS103997  Pinus attenuata Jake Ruygt 1978-3-19 249 Napa Mt. St. Helena 914 Comment
  CAS-BOT-BC73375  Pinus attenuata Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5338 Napa Up a canyon, north side of Pope Creek between Samuels Springs and Walters Springs. 243 Comment
  JEPS46891  Pinus sabiniana W. L. Jepson 1906-12-29 262 b Napa St. Helena St. Helena (above Sanitarium) Comment
  JEPS46897  Pinus sabiniana W. L. Jepson 1901-8-1 Napa St. Helena Comment
  UCD47757  Pinus sabiniana Michele Disney, S. Wathen; J. Westbrook, S. Ratay, R. Wolfson, A. Houser 2000-4-22 6 Napa Napa Co., Mclaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  SEINET11740444  Pinus sabiniana F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-5-19 86 -327 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS60939  Plagiobothrys bracteatus Willis L. Jepson 1893-4-26 21168 Napa Rutherford Napa River Basin Comment
  UC78139  Plagiobothrys bracteatus Alice Eastwood 1900-5-8 Napa Calistoga Comment
  JEPS106766  Plagiobothrys greenei Jake Ruygt 1983-4-8 1414 Napa south side of HWY 12 at Sonoma Co. line 88 Comment
  JEPS106768  Plagiobothrys greenei Jake Ruygt 1986-4-5 1683 Napa Suscol ridge east of HWY 221 231 Comment
  JEPS68095  Plagiobothrys nothofulvus W. L. Jepson 1900-3-10 532 Napa hills e St. Helena Comment
  UCD37574  Plagiobothrys stipitatus Beecher Crampton 1955-4-7 2447 Napa Napa County, 21.5 miles north of Monticello, 0.5 mile northwest of Knoxville. Comment
  CHSC79269  Plagiobothrys strictus Beecher Crampton 1955-4-4 2388 Napa 2 miles north of Calistoga. Comment
  UC55921  Plagiobothrys strictus J. P. Tracy May 15 1903-May 18 1903 1857 Napa Calistoga Hot Springs Region about San Francisco Bay, Napa Valley 91 Comment
  UC881353  Plagiobothrys strictus Alice Eastwood 1915-6-5 4627 Napa Calistoga Comment
  UC882379  Plagiobothrys strictus Milo S. Baker 1931-4-3 5142 Napa Calistoga Geyser Comment
  JEPS68124  Plagiobothrys tenellus Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  JEPS68134  Plagiobothrys tenellus W. L. Jepson 1900-3-9 509 Napa Howell Mt. Comment
  OBI20606  Plagiobothrys tener Joseph P. Tracy 1950-5-23 18664 Napa On La Jota Plateau in Los Posadas state forest 518 Comment
  POM252890  Plagiobothrys tener var. subglaber B. O. Schreiber 1938-4-24 2499 Napa 0.5 mile NW of Knoxville. 610 Comment
  UCD164837  Plagiobothrys tener var. subglaber Jake Ruygt 2012-4-21 5841 Napa Spanish Valley, southeast. 225 Comment
  JEPS6453  Plantago erecta Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. 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
  JEPS6452  Plantago erecta Joseph P. Tracy 1935-3-19 13765 Napa 4 mi nw Calistoga (Knights Valley road); Northern Coast Ranges 213 Comment
  SEINET5735104 Image available Plantago erecta Carol Moore 1974-1 12 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon Road and Chiles Valley Road intersection. 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
  RSA278555  Plantago erecta subsp. erecta T. C. Emmel 1965-5-15 44 Napa 5 miles S of jct of Knoxville Devilhead Rd and Knoxville Berryessa Rd. Comment
  UCR12028  Plantago lanceolata Coleta A. Lawler 1964-3-24 16 Napa Junction of Redwood Rd and Browns Valley Rd Comment
  UCR47285  Plantago lanceolata J. Nevin 1987-5-22 27 Napa Napa Valley, east end of Browns Valley, 1 mi on Buhman Avenue from Browns Valley Road 61 Comment
  CHSC102283  Plantago major Lowell Ahart 2009-10-27 16490 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS122745  Platystemon californicus Jake Ruygt 2011-5-7 5782 Napa Mill Valley near Angwin; central portion. Quad: St. Helena. Comment
  UCD82051  Platystemon californicus Robin McMaster 1972-4-22 66 Napa Pope Valley. Comment
  JEPS51587  Platystemon californicus Willis L. Jepson 1893-4-27 Napa near Veteran's Home Yountville (Yountville, Napa Valley); Napa River Basin, Napa Valley Comment
  JEPS6140  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4449 Napa 4.2 mi n of Wooden Valley (on Monticello Road); Monticello Road Comment
  UC903163  Plectritis ciliosa subsp. ciliosa Ethel Crum 1937-4-19 1777 a Napa 6 mi n of Napa (Napa Range, Mount George); Napa Range, Mount George 304 Comment
  RSA261550  Plectritis congesta J. McGrath 1963-3-8 3 Napa Lake Berryessa, 5 miles above Montcello Dam, off State Hwy 128. Comment
  JEPS110897  Plectritis macrocera Jake Ruygt 1999-5-1 4142 Napa Gunn ranch, E side of Lake Berryessa 146 Comment
  JEPS14270  Plectritis macrocera L. T. Dempster 1954-5-25 P 10 B Napa at site of bridge across Putah Creek, near proposed Monticello Dam Putah Creek Comment
  UC71014  Pleuropogon californicus Willis L. Jepson May 1892 Napa Napa Valley , Napa River Basin (Napa River Basin) Comment
  UCR30544  Pleuropogon californicus John C. Roos 1939-4-1 310 Napa Calistoga 111 Comment
  UCD90178  Pleuropogon californicus var. californicus Joseph P. Tracy 1938-6-6 15844 Napa Napa Valley. Between Napa City and Yountville. 30 Comment
  POM262890  Pleuropogon californicus var. californicus J. C. Roos 1939-4-1 310 Napa Calistoga. Comment
  CDA10845  Poa kelloggii G. F. Hrusa, G. L. Stebbins 1994-4-18 11782 A Napa North Coast Biodiversity Arena; Pope Valley. Along upper Swartz Creek N tributary (James Cr.). 213 Comment
  CAS-BOT-BC246849  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
  UCD91553  Poa napensis Peter H. Raven 1957-5-5 10737 Napa Calistoga. Near the hot springs at the airport. Comment
  UCD91866  Poa pratensis Beecher Crampton 1953-6-2 1435 Napa along Hwy. 53, 8 miles south of Middletown. Comment
  UCD17976  Poa secunda Ellen Dean; with Plant Biology 102 class 2001-4-14 701 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, below stock pond. 152 Comment
  UCD92438  Poa secunda subsp. juncifolia W. E. Wood 1928-4-15 s.n. Napa Blake Estate, Pacific Union College, St. Helena. Comment
  CAS-BOT-BC242897  Poa secunda subsp. secunda Peter H. Raven 1950-4-15 1719 Napa Silverado Trail outside of Napa 15 Comment
  CAS-BOT-BC242898  Poa secunda subsp. secunda L. R. Abrams 1928-5-3 12234 Napa St. Helena Grade Comment
  UC525664  Poa secunda subsp. secunda Joseph P. Tracy 1933-4-30 12118 Napa near Angwin Creek Howell Mt 457 Comment
  JEPS62444  Pogogyne douglasii W. L. Jepson 1896-6-2 14902 Napa St. Helena Comment
  UCD41417  Pogogyne douglasii Susan Harrison 2003-6-10 s.n. Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
  UCD147465  Pogogyne serpylloides Ellen Dean; Diana Hickson 2014-4-29 8078 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS51382  Polycarpon tetraphyllum W. L. Jepson 1897-5-2 Napa St. Helena; along railroad track Comment
  UCD109710  Polygala californica M. Wiesendanger 1927-5-4 694 Napa Monticello-Napa Rd. Comment
  UCR30826  Polygala californica John C. Roos 1939-4-18 313 Napa North Coast Range, Pacific Union College; Angwin 549 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
  CAS-BOT-BC413935  Polygonum aviculare subsp. aviculare Peter H. Raven 1951-9-9 3893 Napa Fields at Solano Co. line w. of Hy. 29 15 Comment
  CAS-BOT-BC109159  Polygonum bolanderi H. E. McMinn 1922-6-7 194 Napa Howell Mountain. Comment
  JEPS50584  Polygonum bolanderi Willis L. Jepson Nov 26 1895-Nov 27 1895 14792 Napa Howell Mt. Napa River Basin, La Jota Plateau Comment
  OBI10869  Polygonum bolanderi H. E. McMinn 1922-6-7 194 Napa Mt. Howell Comment
  CAS-BOT-BC414386  Polygonum californicum John Thomas Howell 1930-10-19 5610 Napa 1 mile east of Aetna Springs, Pope Valley Comment
  JEPS50595  Polygonum californicum W. L. Jepson 1930-10-19 15687 Napa Pope Valley Comment
  CDA34675  Polygonum lapathifolium L. Ahart 2009-10-27 16491 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  UC614935  Polygonum lapathifolium Beryl O. Schreiber 1936-8-16 2324 Napa 0.8 mi s Yountville 152 Comment
  RSA170233  Polygonum parryi Joseph P. Tracy 1950-5-23 18665 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  CHSC103008  Polygonum persicaria Lowell Ahart 2009-10-12 16448 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS120417  Polygonum punctatum Jake Ruygt 2010-8-23 5734 Napa Bell Canyon Reservoir near dam. Comment
  CAS-BOT-BC71954  Polypodium californicum John H. Thomas 1955-5-21 5122 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UCD121196  Polypodium calirhiza Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7367 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and 4H camp. 526 Comment
  UC42893  Polypodium glycyrrhiza Ferd L. Clarke 1892-1 Napa near Yountville Comment
  JEPS115747  Polypogon interruptus Lowell Ahart 2009-10-12 16466 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Win 133 Comment
  CHSC102291  Polypogon monspeliensis Lowell Ahart 2009-10-12 16465 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD19931  Polypogon monspeliensis E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 788 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  JEPS103976  Polystichum californicum Jake Ruygt 1979-7-28 773 Napa 2.1 miles NW of Madrona on Spring Mountain Road 207 Comment
  UC1242054  Polystichum californicum Don Branscomb 1959-2-2 Napa between Calistoga and Napa (Mill Creek Canyon); Mill Creek Canyon Comment
  CDA790  Potamogeton crispus Steve Bardessono 1961-6-2 Napa Berryessa Marina, Lake Berryessa. 0 Comment
  UCD73521  Potamogeton nodosus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC454038  Potamogeton pusillus subsp. pusillus Elsa Ruckert 1960-5-20 156 Napa 6495 Dry Creek Road, 300 yards southeast of house. 365 Comment
  CAS-BOT-BC154918  Prunus ilicifolia Peter H. Raven 1953-3-29 52134 Napa Hills e. of Imola 121 Comment
  UC12814  Prunus subcordata W. L. Jepson 1891-6-1 Napa Vaca Mountains Comment
  JEPS20433  Pseudognaphalium beneolens W. L. Jepson 1938-10-1 19046 Napa Mt. St. Helena Comment
  JEPS106914  Pseudognaphalium californicum Jake Ruygt 1990-6-23 2595 Napa Vaca Mtns. about 1/2 mile south of Monticello Dam 420 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
  JEPS106911  Pseudognaphalium microcephalum Jake Ruygt 1988-8-14 2228 Napa Adams Ridge, Adams Creek area 548 Comment
  JEPS20355  Pseudognaphalium microcephalum W. L. Jepson 1895-11-27 14759 Napa near St. Helena; White Sulphur Springs Comment
  UCD63177  Pseudognaphalium thermale Jake Ruygt 1988-8-14 2231 Napa Berryessa-Knoxville Rd. at Pope Canyon Road. 143 Comment
  SEINET5345379  Pseudotsuga menziesii var. menziesii D. A. Charlet, D. Charlet 2005-1-1 2862 Napa Robert Louis Stevenson State Park, Saint Helena Creek drainage, Mayacmas Mountains; west side of highway near trailhead 600 Comment
  JEPS106884  Psilocarphus brevissimus var. brevissimus Jake Ruygt 1983-5-13 1461 Napa Suscol ridge east of HWY 29(221) 27 Comment
  CAS-BOT-BC361892  Psilocarphus tenellus John H. Thomas 1958-4-19 7117 Napa About 2 miles SW of Oakville 152 Comment
  UCD117072  Ptelea crenulata Cherry Kline 1964-5-8 72 Napa State Highway 128, between Monticello Dam and junction with State Highway 37, 3 miles SW of Monticello Dam. Comment
  UCD49170  Pterostegia drymarioides M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 23 Napa Quail Ridge UC Reserve, northern tip of peninsula directly beneath power lines along road. 274 Comment
  CAS-BOT-BC460819  Pyrola aphylla Elizabeth Wright 1921-6-1 s.n. Napa Calistoga Comment
  UC762610  Pyrrocoma racemosa var. racemosa R. F. Hoover 1941-8-24 5579 Napa near Calistoga; Myrtledale Hot Springs Comment
  UC221335  Pyrrocoma racemosa var. racemosa H. M. Hall 1923-10-15 11949 a Napa near Calistoga; Martinsdale Spring 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
  JEPS116572  Quercus X morehus Jake Ruygt 1986-5-5 1742 Napa North side of Mount George. 7.5' Mount George Quad. Comment
  JEPS77932  Quercus X morehus Edward Lee 1935-12-1 1677 Napa ca 1 mi se Wooden Valley (on Wooden Valley-Monticello Road (3.5 mi s of junction), valley of the w fork of Suisun Creek) Comment
  POM262790  Quercus X morehus J. C. Roos 1939-4-16 281 Napa Angwin, Howell Mtn. Comment
  UC518957  Quercus X morehus David D. Keck 1933-5-29 2346 Napa Pope Creek Bridge Pope Creek Canyon (s of Walters Springs, s wall of canyon) Comment
  UCD170369  Quercus X morehus Daniel Potter; N Khuu, K Battenberg 2016-4-30 867 Napa Knoxville Wildlife Area, east of Nevada Creek Comment
  UCD47054  Quercus X morehus D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa (Q. wislizenii DC. X Q. kelloggii Newb.). Napa County: Lake Berryessa. Pope Creek; 380 Comment
  UCR88371  Quercus X morehus J. M. Tucker 1994-4-9 s.n. Napa Quail Ridge Reserve, near Lake Berryessa. 146 Comment
  CLARK-A1528-2905  Quercus X morehus John C. Roos 1939-4-16 259 Napa Angwin Comment
  UCSB64094  Quercus X townei Tucker, John; Stebbins, G. 1950-11-5 Napa Beside road up Howell Mountain, 5.6 mi. north of St. Helena Comment
  CLARK-A1528-2916  Quercus agrifolia John C. Roos 1939-4-16 283 Napa Angwin Comment
  JEPS37367  Quercus agrifolia W. L. Jepson 1907-12-1 2972 Napa Napa Valley; Sanitarium Hill road Comment
  JEPS46630  Quercus agrifolia W. L. Jepson Nov 1901 Napa grade to Sanitarium St. Helena Comment
  SEINET3140984  Quercus agrifolia Unknown 1995-6-11 sn Napa Homestead Area of McCormick Ranch, approx. 1.1 mi N of Bald Mnt. in Sugar Loaf State Park, and roughly 7 mi W of St. Helena 549 Comment
  UCD45019  Quercus agrifolia D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 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
  SEINET12034184  Quercus agrifolia Unknown 1942-1 s.n. Napa Calistoga Comment
  CDA12252  Quercus agrifolia var. agrifolia G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 s.n. Napa North Coast Biodiversity Arena; Tree at upper end of Lake Hennessey along Hwy. 128. Comment
  CHSC47414  Quercus berberidifolia Lowell Ahart 1976-3-7 1024 Napa On steep hillsides, on the south side of the road and across a small stream, about 2 miles south-west of the Monticello Dam. 152 Comment
  UC126507  Quercus berberidifolia Harley P. Chandler Sep 7 1906-Sep 14 1906 7154 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD14678  Quercus berberidifolia John M. Tucker; and G. L. Stebbins 1950-11-5 2012 Napa California, Napa Co.; 5 mi. east of Conn Valley Dam, beside road to Monticello; Comment
  UCD14834  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -7 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD45211  Quercus berberidifolia Thomas Morley 1941-5-11 126 Napa On west bank of Putah Creek immediately above junction with Butts Creek, Napa County. Comment
  UCD45242  Quercus berberidifolia J. M. Tucker; G. L. Stebbins 1950-11-5 2004 Napa California, Napa Co.; 11.5 mi. northwest of Monticello, beside road to Pope Valley; shrubs on steep hillside. (Sheet No. 1. Each twig from a separate shrub.) Comment
  UCD45854  Quercus berberidifolia Thomas Morley 1941-5-11 128 Napa On west bank of Putah Creek immediately above junction with Butts Creek, Napa County. Elevation 461 feet. 140 Comment
  UCD96198  Quercus berberidifolia Ellen Dean; with Clare Loughran 2011-5-20 7076 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
  RSA444489  Quercus chrysolepis J. C. Roos 1939-5-14 255 Napa Pacific Union College, Anguin. Comment
  CDA21879  Quercus douglasii H. Stabo 1968-10-21 Napa 0 Comment
  JEPS37412  Quercus douglasii W. L. Jepson 1907-11-29 2970 Napa St. Helena Comment
  UC993146  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
  UCD148822  Quercus douglasii Ellen Dean; Diana Hickson 2014-4-29 8127 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD45639  Quercus douglasii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 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
  UCD45748  Quercus douglasii John M. Tucker; G. L. Stebbins 1950-11-5 2008 11 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; growing with both parental species. Comment
  UCD83395  Quercus douglasii Jake Ruygt 1990-4-7 2461 b Napa Lake Hinman, W of Veterans' Home. 134 Comment
  SEINET12029179  Quercus dumosa Unknown 1941-1 127 Napa west bank of Putah Creek immediately above junction with Butts Creek Comment
  CAS-BOT-BC79838  Quercus durata C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC79843  Quercus durata Walter Knight; Irja Knight 1963-9-15 241 Napa Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC79846  Quercus durata H. E. McMinn 1922-6-8 199 Napa hill side along Pope Creek Comment
  CDA11894  Quercus durata G. F. Hrusa, G. L. Stebbins 1994-4-8 11719 Napa North Coast Biodiversity Arena; Aetna Springs, approx. 1/2 mile above resort. Comment
  JEPS37340  Quercus durata W. L. Jepson 1894-10-13 Napa Upper Conn Valley Comment
  JEPS37346  Quercus durata W. L. Jepson 1895-11-25 Napa La Jota Plateau Howell Mt. Comment
  RSA8544  Quercus durata J. T. Howell 1933-8-27 11642 Napa Sage Canyon, Napa Range. Comment
  SD225775  Quercus durata John M. Tucker, G. L. Stebbins 1950-11-5 2011 17 Napa Below Conn Valley Dam, hillside across creek from the picnic area Comment
  UC762345  Quercus durata R. F. Hoover 1940-8-25 4542 Napa e side Mt. St. Helena Comment
  UCD14811  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -13 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14817  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -1 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14843  Quercus durata John M. Tucker 1950-11-12 2014 -21 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD14846  Quercus durata John M. Tucker 1950-11-12 2014 -24 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD149561  Quercus durata G. Ledyard Stebbins 1994-4-15 s.n. Napa Berryessa Dam. Comment
  UCD45971  Quercus durata D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. 380 Comment
  SEINET12029319  Quercus durata W. Knight, Knight, I. 1982-1 4553 Napa 0.5 mi W of Spanish Flat on the road to Conn Reservoir Comment
  UCD45929  Quercus durata var. durata Thomas Morley 1941-5-11 130 A Napa On north bank of Butts Creek 1/4 mile west of its junction with Putah Creek, Napa County. Elevation 480 feet. 146 Comment
  JEPS116533  Quercus durata var. durata Jake Ruygt 1992-9-24 3155 y Napa Chiles Canyon near Chiles-Pope Valley Road. Comment
  CAS-BOT-BC94257  Quercus garryana Elsa G. Ruckert 1960-4-2 57 Napa 6495 Dry Creek Road, edge of field SW of the house 365 Comment
  JEPS116535  Quercus garryana Jake Ruygt 1984-3-28 1510 Napa West of end of Whitehall Lane. Rutherford 7.5' Quad. Comment
  JEPS100413  Quercus garryana var. garryana Dean Wm. Taylor with Glenn Clifton 1990-10-30 11570 Napa Angwin, along Clark Way North Coast Ranges Comment
  UCD14549  Quercus garryana var. garryana John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -19 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; Comment
  UCD14956  Quercus garryana var. garryana John M. Tucker 1976-10-24 4380 Napa California, Napa Co.; beside Wall Road, 1.3 mi. north of Dry Creek Road and 7.1 mi. (by road) southwest of Oakville; Comment
  UCD46059  Quercus garryana var. garryana J. M. Tucker 1952-4-22 2357 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. Comment
  CAS-BOT-BC105295  Quercus kelloggii Peter H. Raven 1952-5-29 4093 Napa Napa River 1 mi N Napa 60 Comment
  POM270255  Quercus kelloggii Lyman Benson 1931-2-26 2599 Napa Near highway summit of Mt. St. Helena, No of Calistoga, Mayacamas mt. range, Napa watershed. 549 Comment
  UCD149039  Quercus kelloggii Ellen Dean; S. P. Rae and T. Starbuck 2014-5-11 8185 Napa Arbuckle Winery property at 3454 Redwood Rd on the outskirts of Napa in the Mayacamas Mountains. 137 Comment
  UCD46607  Quercus kelloggii K. Esau 1937-4-22 s.n. Napa Monticello-Napa Highway. Comment
  UCD46610  Quercus kelloggii D. Q. Cavagnaro 1963-10-18 225 Napa At Napa Valley Ranch Club road junction, 2.8 miles west of Moskowite Corners, Napa County, California. 30 Comment
  SEINET5644360  Quercus kelloggii J. M. Tucker 1966-4-17 3937 Napa Mt. St. Helena, 0.4 miles over the north side from the summit of the road (State Highway 29).; 0 Comment
  CAS-BOT-BC62876  Quercus lobata Peter H. Raven 1951-6-24 s.n. Napa Napa-Brown's Valley 152 Comment
  CAS-BOT-BC62880  Quercus lobata John Thomas Howell 1930-10-19 5608 Napa Pope Valley School, Pope valley Comment
  JEPS37355  Quercus lobata Willis L. Jepson 1901-11-17 1751 Napa St. Helena Napa River Basin Comment
Read comments
Jul 28 2008
  UCD161648  Quercus lobata Jake Ruygt 1992-9-24 3155 -z? Napa Chiles Canyon near Chiles-Pope Valley Road? Comment
  UCD165467  Quercus lobata John M. Tucker 1976-10-24 4379 Napa California, Napa County: On north side of Highway 128, 0.5 mi. east of Moskowite Corner (junction of Highways 128 and 121). Comment
  UCD46936  Quercus marilandica Bill Davis 1966-9-26 s.n. Napa Veterans' Home Memorial Grove Napa Co., Calif. Comment
  CAS-BOT-BC104979  Quercus wislizeni John Thomas Howell 1926-3-28 1764 Napa Trail to top of Mt. St. Helena Comment
  UCD49054  Quercus wislizeni L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 9 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., 2 ft. from stream. 152 Comment
  CAS-BOT-BC378489  Ranunculus californicus var. californicus Elsa G. Ruckert 1960-4-24 115 Napa 6495 Dry Creek Road; road leading in to property and meadows to left and right 365 Comment
  UC9420  Ranunculus canus Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  JEPS110876  Ranunculus hebecarpus Jake Ruygt 1992-4-7 2894 Napa Tuteur Ranch, SW corner, Kreuze Canyon 384 Comment
  POM225341  Ranunculus hebecarpus J. T. Howell 1931-4-2 6064 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  UCR30447  Ranunculus muricatus John C. Roos 1939-4-18 s.n. Napa North Coast Range, Pacific Union College; Angwin 549 Comment
  JEPS55170  Ranunculus occidentalis Willis L. Jepson 1893-3-13 Napa hills e St. Helena; Napa River Basin Comment
  UC162878  Ranunculus occidentalis Joseph P. Tracy 1902-5-22 1631 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD96928  Ranunculus occidentalis K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  POM268844  Ranunculus occidentalis var. eisenii L. R. Abrams 1928-5-3 12253 Napa Summit St. Helena Grade Comment
  POM306532  Ranunculus pusillus A. M. Ottley 1921-5-6 1327 Napa San Francisco Bay area, N of St. Helena, Wet meadow Comment
  UCD160035  Raphanus raphanistrum Steve Wathan 2015-3-10 2015- 1 Napa McLaughlin UC Reserve. Knoxville Mine site, ca. 7 miles south of McLaughlin Field Station. 396 Comment
  CDA7607  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G.A. Wilson Ranch, Dry Creek Road, 2 miles west of Yountville Comment
  UC1419855  Rhagadiolus stellatus N. Harrison 1976-5-7 1321 Napa Trinity Road near intersection <with> Wall Road Comment
  UCR129909  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G.A. Wilson Ranch, Dry Creek Road, 2 miles west of Yountville 122 Comment
  CAS-BOT-BC362891  Rhagadiolus stellatus Wilma Follette 2002-4-17 s.n. Napa Mt. Veeder Road Comment
  CAS-BOT-BC362892  Rhagadiolus stellatus Alice Ackley; Marie Taylor 1978-3-28 s.n. Napa Triniti Road Comment
  CAS-BOT-BC362896  Rhagadiolus stellatus Ida DeMay Wilson 1959-4-5 s.n. Napa Dry Creek Road Comment
  UCR148776  Rhamnus californica J. Good 1998-6-6 33 Napa hwy 128; 3 mi west of Monticello dam and then up the dirt road behind Markley Cove 50' 146 Comment
  UC592776  Rhamnus californica subsp. californica unknown 1928-5-4 1856 Napa upper slopes of Mt. St. Helena Mt. St. Helena 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
  JEPS106403  Rhododendron occidentale Jake Ruygt 1987-5-16 1992 Napa Bismark Knob 579 Comment
  JEPS106405  Rhododendron occidentale Jake Ruygt 1976-4-23 25 Napa 3.6 miles north of Ink Grade on Butts Canyon Rd. 243 Comment
  UCD117978  Rhododendron occidentale A. T. Leiser 1984-10-27 RLS 2 Napa Robert Louis Stevenson State Park (Hwy 29 N. from Calistoga) along creek immediately S. of trail, near the old mine entrance. Within 10 ft of creek bed. Comment
  UCD117985  Rhododendron occidentale D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. 240 Comment
  UCD20691  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 3 Napa Napa County, NE side of Butts Canyon Rd. along NE side of Butts Creek, at Napa 19.75 marker. In 5' of low water, crowns 1-2' above low water, submerged 1.5-3' at flood levels. Comment
  UCD20697  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 7 Napa Napa County, Butts Canyon Rd/ Pope Valley Rd. near Butts Creek. NE side of Pope Valley Rd. from Shell Valley Rd S. along Butts Canyon Rd (Pope Valley Rd.) from 0.1 miles to 0.8 miles S., both sides of Butts Creek, but upstream SW side. Comment
  UCD20703  Rhododendron occidentale A. T. Leiser 1984-10-27 RLS 1 Napa Robert Louis Stevenson State Park (Hwy 29 N. from Calistoga) along creek from trailhead to point where trail diverges west from creek bed. In or within 10 ft. of creek bed on SE facing slope. Comment
  UCR148773  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 6 a Napa Butts Canyon Rd. along both sides of Butts Creek 217 Comment
  CDA38889  Rhododendron occidentale var. californicum A. T. Leiser 1984-10-27 s.n. Napa Robert Louis Stevenson State Park (Hwy 29 north from Calistoga) along creek immediately south of trail, near the old mine entrance. Within 10 ft of creek bed. 0 Comment
  RSA22617  Rhododendron occidentale var. californicum Marion Ownbey, Ruth P. Ownbey 1938-7-9 1702 Napa 6 miles northeast of Napa. Comment
  SEINET12237641  Rhus trilobata F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -314 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  CAS-BOT-BC433099  Ribes L. R. Abrams 1928-5-3 12256 Napa Summit St. Helena Grade Comment
  CAS-BOT-BC92977  Ribes californicum var. californicum H. E. McMinn 1922-6-8 209 Napa Along Pope Creek. Comment
  SBBG2766  Ribes malvaceum Milton Workman 1953-3-23 22 Napa Mix Cyn 548 Comment
  UCD49073  Ribes malvaceum S. Murphy; K. Keck and K. Dyer 2002-5-5 19 Napa Quail Ridge UC Reserve, northern tip of ridge, NE from intersection of West and East roads ca. 500 m, along edge of upper road leading out to power lines and tip parcels. 328 Comment
  UCR146406  Ribes malvaceum Beecher Crampton 1975-2-17 9106 Napa Inner North Coast Ranges, 0.5 mile west of Monticello Dam 305 Comment
  UC11625  Ribes roezlii var. cruentum Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  CAS-BOT-BC168759  Ribes victoris Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5329 Napa Soda Creek, e. of chiles Valley 137 Comment
  UCD102441  Ribes victoris Mary Lou Douglass 1976-4-24 21 Napa 100 yds SW of P.M. 31.37 on Rt 128. Comment
  UCD164831  Ribes victoris Jake Ruygt 2012-5-19 5851 Napa Crystal Flats, west of Putah Creek. 268 Comment
  JEPS106864  Rigiopappus leptocladus Jake Ruygt 1986-4-26 1731 Napa east of Wragg Canyon resort, Blue Ridge 304 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
  UCD133767  Rigiopappus leptocladus Beecher Crampton 1957-5-16 4044 Napa North end of Capell Valley, above Capell Creek, along Hwy. 128. Comment
  UCD38692  Rigiopappus leptocladus Beecher Crampton 1957-5-16 4044 Napa North end of Capell Valley, above Capell Creek, along Hwy. 128. Comment
  CAS-BOT-BC147535  Rosa californica J. T. Howell 1933-8-27 11629 Napa Sage Canyon, Napa Range Comment
  UC555671  Rosa californica Herbert L. Mason 1923-10-6 774 Napa along Wooden Valley Rd. Comment
  CAS-BOT-BC148159  Rosa gymnocarpa Alice Eastwood 1922-5-4 11248 Napa Calistoga Comment
  CDA11620  Rosa gymnocarpa G. F. Hrusa, G. L. Stebbins 1994-3-11 11592 Napa North Coast Biodiversity Arena; Las Posadas State Forest. Upper canyon of Moores Creek. Comment
  UC1281126  Rosa gymnocarpa H. E. McMinn 1936-4-4 4381 Napa about six mi from Angwin (Howell Mt. to Pope Valley, road to Middletown) Comment
  JEPS112568  Rosa spithamea Jake Ruygt 1989-5-20 2338 Napa Vaca Mtns. about 1 mile north of Mt. Vaca 798 Comment
  CAS-BOT-BC156914  Rubus ursinus Peter H. Raven 1950-4-15 1733 Napa Wooden Valley Grade above Napa 274 Comment
  CAS-BOT-BC421598  Rumex crispus Peter H. Raven 1952-5-29 4072 Napa Napa River 1 mi. n. Napa 60 Comment
  UC1197460  Rupertia physodes Joseph P. Tracy 1899-6-17 393 Napa on hills at head Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain 365 Comment
  RSA170398  Rupertia physodes J. D. Olmsted 5058 Napa Cold Creek; 150 yds above road by Monticello Dam, Vaca Mtns. Comment
  UC441322  Ruppia maritima Milo S. Baker Aug 1900 Napa near S.P.R.R. over Napa River Comment
  UCD167161  Sagina apetala Jake Ruygt 2015-3-23 6050 Napa Missimer - Snell Valley Preserve. 178 Comment
  JEPS129167  Sagina decumbens subsp. occidentalis Jake Ruygt 2015-3-21 6048 c Napa Missimer - Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  UCD148762  Sagina decumbens subsp. occidentalis Jake Ruygt 1985-4-7 1584 Napa Napa County; Los Posados State Forest. 390 Comment
  UCD164755  Sagina decumbens subsp. occidentalis Jake Ruygt 2014-5-19 5951 Napa Sutro Ranch, Atlas Peak. 610 Comment
  UC465477  Salicornia virginica Milo S. Baker Aug 1900 Napa near Napa River Comment
  CAS-BOT-BC108671  Salix breweri David D. Keck 1931-5-3 1075 Napa 5 miles NE of Aetna Springs, along Butts Creek, northern Napa County Comment
  RSA202411  Salix breweri Edward L Smith 1967-5-7 s.n. Napa Butts Creek, below small reservoir at upper (NW) end of Butts canyon where road from Pope Valley enters the canyon. 6.9 miles NW of Pope Valley. 213 Comment
Read comments
Sep 28 2012
  UC482100  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa between Pope Springs and Aetna Valley (about 1 1/2 mi from entrance of canyon); Butt Canyon Comment
  UC517434  Salix breweri John Thomas Howell 1933-8-27 11641 Napa Sage Canyon Napa Range Comment
  UCD102771  Salix breweri Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 410 Comment
Read comments
Jul 22 2018
  UCR64474  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa North Coast Ranges, Butts Canyon, between Pope Springs and Aetna Valley 375 Comment
  CAS-BOT-BC539354  Salix laevigata Jake Ruygt 1995-3-21 3408 Napa End of Niebaum Lane, Bear Canyon 89 Comment
  UCD164804  Salix laevigata Jake Ruygt 1995-3-17 3407 Napa Silverado Trail east of Souza land, Napa. 3 Comment
  UC1196585  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1933-4-30 12119 Napa Angwin Creek Northern Coast Ranges, Howell Mt., Angwin Creek 457 Comment
  CAS-BOT-BC125149  Salix lasiandra var. lasiandra Peter H. Raven 1952-5-31 4116 Napa 2.5 mi. e. of Yountville 60 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
  UC504073  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 2 Napa 10 mi from Monticello (Rutherford to Monticello); Chiles Valley Comment
  JEPS120367  Salvia argentea Jake Ruygt 2001-7-2 4319 Napa On private road south of Lake Hennessey boat-ramp. Yountville 7.5' Quad. Comment
  JEPS129066  Salvia columbariae Jake Ruygt 2016-4-2 6171 b Napa Smittle Creek NCRPOD, W of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  SFV8449  Salvia columbariae P. Warner 1967-4-16 44 Napa North Coast Ranges Vaca Mountains. 0.7 miles above (west) of Monticello Dam, Lake Berryessa. 152 Comment
  SEINET7972676  Salvia columbariae W. Roderick 1967-5-7 s.n. Napa Oakville Road. 152 Comment
  JEPS62781  Salvia sonomensis W. L. Jepson 1897-5-2 14945 Napa sw of Calistoga (Rebecca Ranch grade, Napa Valley); Napa Valley Comment
  UC1301159  Salvia sonomensis Helen K. Sharsmith 1963-3-17 5226 Napa s side Mt. Atlas; San Francisco Bay Region 609 Comment
  UC25738  Salvia sonomensis E. L. Greene 1892-4-20 Napa Calistoga Comment
  JEPS106729  Sambucus mexicana Jake Ruygt 1989-5-27 2350 Napa Napa River about 50 yards south of Lincoln Ave., Napa 6 Comment
  UCD15500  Sambucus mexicana Ted Graber 1984-5-12 19 Napa 1 mile West from Conn Dam. Comment
  UCD47961  Sambucus nigra subsp. caerulea Ryan Knox; E. McDermott, and G. Walden 2002-4-13 3 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of road, near Knoxville Creek. 432 Comment
  UCD19954  Sanicula bipinnata E. A. Dean; Virginia Boucher 2002-2-28 906 Napa Quail Ridge Reserve. Where upper and lower trails meet, just S of powerlines near ridge tip. 274 Comment
  UCD169881  Sanicula bipinnatifida Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 721 Napa Knoxville Wildlife Area. 352 Comment
  UCD48494  Sanicula crassicaulis Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 5 Napa Quail Ridge Reserve, Decker Canyon, along South Decker Canyon Rd., N of jct with Cut Off Rd., S or jct with North Decker Cayon Rd., W side of road. 152 Comment
  JEPS1735 Image available Sanicula menziesii var. pedata W. L. Jepson 1893-5-1 14189 Napa Calistoga Napa River Basin; Calistoga, Napa River Basin Comment
  POM262887  Saxifraga californica J. C. Roos 1939-3-27 304 Napa Snell Valley Comment
  JEPS8801  Scabiosa atropurpurea W. L. Jepson 1925-9-27 10748 Napa Howell Mountain Comment
  RSA0054872  Scandix Keith E. Hoffmaster 1939-4-6 905 Napa Putah can. Comment
  UCD17968  Scandix pecten-veneris Ellen Dean; Kate Mawdsley 2001-4-9 687 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UCD128134  Scandix pecten-veneris R. Tofsrud Date Unknown s.n. Napa Exact location unknown. Comment
  UCSB12314  Scandix pecten-veneris Dearing, Hugh; Dearing, Margaret 1939-5-1 Napa Top of Spring Mt.grade, Napa County Comment
  CAS-BOT-BC111826  Schoenoplectus tabernaemontani Peter H. Raven 1952-8-26 5133 Napa Salt Marshes near Bently Wharf. Comment
  JEPS121368  Scirpus acutus var. occidentalis Jake Ruygt 1988-5-4 2184 Napa .5 miles NE of Flosden Rd. intersection with American Cyn Rd. Comment
  UC683304  Scirpus americanus Alan A. Beetle 1941-7-8 2852 Napa in outwash of geysers at Calistoga (farthest n station for this species); in outwash of geysers at Calistoga Comment
  JEPS121366  Scirpus californicus Jake Ruygt 1996-5-11 3658 Napa SE of Suscol; Napa Sanitation District; Somky Ranch. Comment
  JEPS115967  Scirpus maritimus Lowell Ahart 2009-10-12 16460 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
  UCD169890  Scrophularia californica Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 730 Napa Knoxville Wildlife Area. 311 Comment
  RSA0054926  Scrophularia californica Keith E. Hoffmaster 1946-3-9 1252 Napa Napa-Monticello road. Comment
  JEPS62890  Scutellaria californica Willis L. Jepson 1893-6-26 14933 Napa Howell Mountain; Napa River Basin, Howell Mountain Comment
  UC1713646  Scutellaria siphocampyloides Goff and Calvi 1936-5-1 Napa 5.5 mi from Napa (on Monticello Road up old wagon road 1/4 mi, (then left to on top of ridge near eucalyptus tree)); North Bay Counties Comment
  UCD54560  Scutellaria tuberosa K. Walker; PLB 102 2006-5-13 1 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  UC25836  Scutellaria tuberosa Willis L. Jepson 1893-5-9 Napa Nebaum's Dam; Napa River Basin, Nebaum's Dam Comment
  RSA170228  Sedella pumila Joseph P. Tracy 1950-5-23 18657 Napa Near Angwin Creek; Howell Mountain. Comment
  RSA41992  Sedella pumila Ella Dales Cantelow 1939-5-7 2531 Napa Near cemetery, Napa. Comment
  SD95203  Sedella pumila Cory D. Spencer 1972-4-15 Napa 7.8 miles north of U. S. Post Office. Comment
  UCD101987  Sedella pumila W. R. Russell 1967-5-10 s.n. Napa just north of Soscol House restaurant, 2 miles south of Napa State Hospital, State Highway 29. Comment
  CAS-BOT-BC63833  Sedum spathulifolium David D. Keck 1933-5-29 2354 Napa Pope Creek bridge, south of Walters Springs. Comment
  CAS-BOT-BC63836  Sedum spathulifolium John H. Thomas 1955-5-21 5126 Napa Sarco Creek drainage, near Hwy 37, about 6 mi from Napa. 274 Comment
  POM22500  Selaginella wallacei C. F. Baker 1903-4-20 2746 Napa Mt. St. Helena. 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
  CDA8606  Senecio clevelandii B. E. Eaton 1970-6-24 Napa Berryessa Estates, Snell Valley. 0 Comment
  SEINET7075536  Senecio eurycephalus A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  JEPS106861  Senecio flaccidus var. douglasii Jake Ruygt 1982-9-8 1384 Napa 1 mile east of HWY 128 on Berryessa-Knox ville Road 152 Comment
  UC1999789  Senecio flaccidus var. douglasii H. E. M. Dobson 1977-10-31 287 Napa Lake Berryessa, Highway 128. Comment
  RSA473138  Senecio greenei Robert Gustafson, Don Reynolds 1983-6-7 2737 Napa Butts Canyon Road, about 2 miles north of the junction with Aetna Springs Road. Comment
  UCD161781  Senecio hydrophilus Jake Ruygt 1999-6-8 4180 Napa Fagan Slough. 1 Comment
  JEPS106856  Senecio sylvaticus Jake Ruygt 1985-3-30 1581 Napa Deer Park Rd. at Crestmont Drive 441 Comment
  RSA183412  Senecio sylvaticus Elden Parchim 1964-4-25 s.n. Napa Summit of Oakvillegrade Road, ca. 4 miles southwest of Oakville. Comment
  CAS-BOT-BC85776  Sequoia sempervirens Peter H. Raven 1951-6-26 3071 Napa Wooden Valley Grade 304 Comment
  UC401313  Sequoia sempervirens C. F. Sonne 1897-4-1 Napa near Napa City Comment
  JEPS110711  Sidalcea calycosa Jake Ruygt 1979-4-19 528 Napa Suscol Hill behind PG&E substation 21 Comment
  JEPS110710  Sidalcea diploscypha Jake Ruygt 1978-5-21 324 Napa 2.9 miles east of Silverado Trail on Sage Canyon Rd. 97 Comment
  UCD41312  Sidalcea diploscypha Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 4 Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
  SBBG4683  Sidalcea diploscypha H. and M. Dearing 1939-5-2 3354 Napa near Napa Comment
  UC198240  Sidalcea hartwegii H. P. Chandler 1907-5-8 7567 Napa White Sulphur Spr. , White Sulphur Spr. (St. Helena) Comment
  JEPS122752  Sidalcea hickmanii subsp. napensis Jake Ruygt 2011-6-9 5800 Napa South side of Mt George, Palmaz Vineyards. Quad: Mt. George. Comment
  CHSC83385  Sidalcea keckii L. P. Janeway; B. Castro 2002-5-12 7536 Napa Inner North Coast Ranges. South-facing slope along Pocock Creek above and below the dirt road from Devilhead Road. 503 Comment
  UC18933  Sidalcea oregana subsp. hydrophila Willis L. Jepson 1893-9-24 Napa Angwin's Napa River Basin, Howell Mt., Angwin's (Howell Mt.) Comment
  RSA92932  Silene antirrhina P. H. Raven 1951-6-6 3056 Napa Wooden Valley Grade. 305 Comment
  UCD148759  Silene coniflora Jake Ruygt 2000-6-10 4265 Napa Napa County; Berryessa Knoxville Rd. at old homestead near Zim Zim Creek. 274 Comment
  UCD48246  Sisyrinchium bellum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 12 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
  RSA201767  Sisyrinchium bellum Dave Warfield 1964-5-8 20 Napa State Highway 128, 5.3 miles southwest of Monticello Dam Comment
  SEINET4171055  Sisyrinchium bellum Unknown 1967-5-1 Napa 13.4 miles W. of Winters on State Hwy 128 137 Comment
  UCD13201  Sisyrinchium bellum Charles Martin 1986-4-20 2 Napa California: Napa Co. 3 mi W of Monticello Dam, along hwy 128. Elev. ca. 1000 ft. 304 Comment
  UCD67945  Sisyrinchium bellum Sally Jue 1977-4-16 21 Napa Along Hwy. 128, 6.4 mi. SSW of Monticello Dam. 198 Comment
  SEINET4171098  Sisyrinchium douglasii Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15090 Napa Under Chaparral, 20 miles north of Napa Comment
  JEPS113974  Smilax californica Jake Ruygt 1989-5-27 2349 Napa Napa River about 50 yards south of Lincoln Ave., Napa. Napa 7.5' Quad. Comment
  NY759853  Solanum nigrum J. T. Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St. Helena Comment
  UC26281  Solanum umbelliferum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  OBI9134  Solanum umbelliferum R. L. Hoover 1968-4-11 21 Napa 1 block W of hwy 1 on Palm Ave, Marina Comment
  UCD127080  Solanum xanti Andreas Stohr 1996-4-21 6 Napa along Road 128 near Cold Canyon Preserve. 180 Comment
  UCD149691  Solanum xanti Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  CAS-BOT-BC365094  Solidago velutina subsp. californica Harley P. Chandler 1906-9-7 7117 Napa Howell Mountain. Alta Loma Ranch 548 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
  UCD144654  Sonchus asper subsp. asper 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
  UCD159465  Sonchus asper subsp. asper D. S. Park 2010-8-13 219 Napa St. Helena. Along Fulton Ln. Growing in the fringes of orchards. 71 Comment
  CAS-BOT-BC374657  Sonchus oleraceus Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  CAS-BOT-BC390058  Spergularia John Thomas Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St. Helena Comment
  HSC34855  Spergularia macrotheca var. longistyla Thomas W. Nelson, James Nelson 1975-5-5 1805 Napa Calistoga Airport Comment
  HSC4242  Spergularia macrotheca var. longistyla Elsa Kraeger 1926-3-27 Napa Field near geyser, Calistoga Comment
  UCD99270  Spergularia marina M. Wiesendanger 1928-4-5 871 Napa near Calistoga. Comment
  JEPS106613  Spergularia rubra Jake Ruygt 1993-5-11 3258 Napa Milton Road north of the railroad tracks 0 Comment
  CAS-BOT-BC390563  Spergularia rubra Peter H. Raven 1952-5-31 4163 Napa Flood plain of Rector Creek 121 Comment
  UC14962  Spiranthes porrifolia J. P. Tracy 1899-6-19 445 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Howell Mountain 518 Comment
  JEPS62970  Stachys ajugoides Willis L. Jepson 1893-4-24 14985 Napa hills e St. Helena (to Conn Valley) Comment
  JEPS62962  Stachys ajugoides W. L. Jepson 1894-11-7 14960 Napa Asylum Field Napa Comment
  UCD166675  Stachys ajugoides Jake Ruygt 1982-6-21 1339 Napa Suscol plain, just east of steel mill, Rocktram. 2 Comment
  SEINET7073088  Stachys ajugoides var. rigida A. G. Vestal 1963-4-7 s.n. Napa Along the Silverado Trail about 3.8 miles north of Saint Helena. Coordinate datum WGS84/NAD83. (38? deg. 32' 38" North Latitude, -122? deg. 29' 21" West Longitude, UTM Zone 10, 544515mE, 4266093mN. Coordinate datum: NAD27). Comment
  SEINET9308544  Stachys bullata Unknown 1998-5-12 10 Napa Napa County Comment
  UCD168557  Stachys rigida var. quercetorum Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD81440  Stachys rigida var. quercetorum M. Wiesendanger 1927-5-4 s.n. Napa Near Monticello. Comment
  UC650401  Stellaria media Ira L. Wiggins 1928-3-25 2874 Napa 1.5 mi ne Calistoga Comment
  UCD17986  Stellaria media Ellen Dean; with Plant Biology 102 class 2001-4-14 712 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. At junction of West Loop Rd. and Decker Bay Trail. 152 Comment
  UCD20829  Stellaria media N. Nicola 2001-3-30 045 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  CAS-BOT-BC393989  Stellaria nitens John Thomas Howell 1931-4-2 6054 Napa Wooden valley Grade 4 miles east of Napa Comment
  UCD35506  Stephanomeria elata Beecher Crampton 1956-9-28 3881 Napa Vaca Mtns, floor of Wragg Canyon. Comment
  CHSC102285  Stephanomeria virgata subsp. pleurocarpa Lowell Ahart 2009-10-12 16430 Napa Just above the high water line of Lake Berryessa, along the west side of Capelll Creek north of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS115765  Stephanomeria virgata subsp. pleurocarpa Lowell Ahart 2009-10-12 16430 Napa Just above the high water line of Lake Berryessa, along the west side of Capelll Creek north of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 133 Comment
  UCD161262  Stephanomeria virgata subsp. pleurocarpa Jake Ruygt 2005-10-8 4949 Napa Pope Canyon Rd. near high water range of Lake Berryessa (Landucci). (Coordinates estimated by label maker at UC Davis). 164 Comment
  UCD33550  Stephanomeria virgata subsp. pleurocarpa Beecher Crampton 1969-10-14 8520 Napa 1.5 miles west of Monticello Dam on Hwy. 128. Comment
  UCR146180  Stipa lepida Beecher Crampton 1967-6-20 8131 Napa Inner North Coast Ranges, Martley [??] Canyon summit, Vaca Mountains 335 Comment
  JEPS122933  Stipa miliacea var. miliacea Jake Ruygt 1988-5-3 2173 Napa Pope Street at Napa River, St. Helena. Quad: Saint Helena. Comment
  UCD115954  Streptanthus breweri Robert E. Preston 1987-6-20 567 Napa 0.75 mile north of Round Corral in Big Basin. 268 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
  POM143636  Streptanthus glandulosus C. F. Baker 1903-4-20 2619 Napa Mt. St. Helena. Comment
  POM197071  Streptanthus glandulosus L. F. Robbins 1927-4-15 s.n. Napa [no locality information provided] Comment
  JEPS106602  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1989-4-8 2252 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 249 Comment
  JEPS30823  Streptanthus glandulosus subsp. glandulosus W. L. Jepson 1938-5-22 18818 Napa Limekiln Creek Canyon Pope Valley (hillside) Comment
  UC518934  Streptanthus glandulosus subsp. glandulosus David D. Keck 1933-5-29 2370 Napa s Walters Springs (roadbank); Pope Creek Bridge Comment
  UC735050  Streptanthus glandulosus subsp. glandulosus Lincoln Constance, J. F. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 3049 Napa se slope of mt. near old inn; Mount St. Helena Comment
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Jun 19 2014
  UCD116005  Streptanthus glandulosus subsp. glandulosus W. M. Grannell 1950-4-27 1 Napa Putah Canyon. Comment
  UCD74408  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1986-3-22 1668 Napa Vaca Mtns. east of Markley Cove. 426 Comment
  CAS-BOT-BC87329  Streptanthus hesperidis Joseph P. Tracy 1905-7-6 2219 Napa Northern Coast Ranges. Howell Mountain. On hills at head of Moore's Creek, 3-4 miles east of Angwin's. 457 Comment
  JEPS106598  Streptanthus morrisonii Jake Ruygt 1997-5-3 3844 Napa Sensitive plant canyon, NW of Knoxville site. 402 Comment
  UCD169781  Streptanthus morrisonii Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 789 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 466 Comment
  UC1102668  Streptanthus morrisonii subsp. elatus Arthur R. Kruckeberg 1947-5-3 1438 Napa 0.25 mi w White's Point (Table Mtn. road, ca 5 mi e of Mountain Mill House, Napa-Lake Co. line); ; W of White's Pt., Table Mt., Napa-Lake Co. Comment
  JEPS106596  Streptanthus tortuosus var. tortuosus Jake Ruygt 1990-4-28 2509 Napa Mt. St. Helena, along fire trail 963 Comment
  SBBG83707  Symphoricarpos mollis B. Wych 1975-5-29 33 Napa 2.1 mi N of intersection of St Hwy 128 and Wragg Cyn Rd Comment
  UCD161580  Symphyotrichum chilense Jake Ruygt 2007-5-22 5202 Napa south side of Jameson Canyon Road, about 0.3 miles west of 'Creston. 88 Comment
  CAS-BOT-BC98078  Symphyotrichum lentum Peter H. Raven 1951-6-24 3002 Napa Napa 30 Comment
  JEPS104532  Symphyotrichum spathulatum Jake Ruygt 1978-8-7 390 Napa .3 miles west of Big Ranch rd. on Oak Knoll Ave. 22 Comment
  JEPS104539  Symphyotrichum spathulatum Jake Ruygt 1992-7-10 3081 Napa Yountville Ecological Reserve, Yountville Crossroad 27 Comment
  JEPS104575  Symphyotrichum spathulatum Jake Ruygt 1981-8-23 1089 Napa 1 mile south of Yountville on HWY 29 22 Comment
  UC29910  Symphyotrichum spathulatum Mrs. D. O. Hunt and Miss Alice Wood 1898-12-2 Napa St. Helena Comment
  JEPS126111  Tanacetum parthenium Jake Ruygt July, 1979 594 z Napa Trefethen Vineyard near Dry Creek. Napa 7.5' Qua. 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
  CHSC108734  Thermopsis californica var. californica B. Castro; 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. 505 Comment
  UC1222478  Thermopsis californica var. californica Joseph P. Tracy 1949-4-22 18285 Napa brushy hillside by reservoir; Conn Valley 91 Comment
  UCD108615  Thermopsis californica var. californica B. Crampton 1953-3-24 1025 Napa Along Hwy. 128, about 10 miles east of Rutherford. Comment
  UCD16029  Thermopsis californica var. californica N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 17 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 3-4.5 dm tall, flowers yellow. Comment
  UCD170212  Thermopsis californica var. californica Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 745 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 396 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
  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
  JEPS126090  Thermopsis macrophylla Jake Ruygt 1976-5-7 65 Napa 8.0 miles NE of Westgate Drive on Atlas Peak Road. Capell Valley 7.5' Qua. Comment
  CAS-BOT-BC66480  Thysanocarpus curvipes John Thomas Howell 1930-3-23 4575 Napa Mount Saint Helena, 5 miles from Calistoga. Comment
  RSA696362  Thysanocarpus curvipes Keith E. Hoffmaster 1946-3-23 1059 Napa Napa range, along Napa-Monticello road Comment
  UCD149705  Thysanocarpus curvipes 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
  UC10996  Thysanocarpus curvipes Willis L. Jepson 1893-4-28 Napa plateau n Wooden Valley grade (Napa River Basin); , n of Wooden Valley grade Comment
  CHSC27762  Thysanocarpus radians Ethel Pearson 1978-3-24 3 Napa Ca. 2.8 mi w of junction of State Hwy. 128 with Steele Canyon Rd. on Steele Canyon Rd. 152 Comment
  CAS-BOT-BC67309  Thysanocarpus radians David D. Keck 1931-4-2 1046 Napa 4 miles south of Monticello, eastern Napa county. Comment
  UCD36171  Thysanocarpus radians Beecher Crampton 1952-3-24 1032 Napa 8 miles north of city of Napa, on Soda Springs Road. 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
  UCD159916  Torilis arvensis Alice Warrick 2007-5-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCR30536  Torreyochloa pallida var. pauciflora John C. Roos 1939-5-13 271 Napa North Coast Range, Pacific Union College, Angwin 503 Comment
  CAS-BOT-BC172956  Toxicodendron diversilobum Peter H. Raven 1964-5-9 19041 Napa Along dirt road 2 miles west of Aetna Springs Comment
  JEPS63929  Toxicodendron diversilobum W. L. Jepson 1913-4-15 5314 Napa Howell Mt. 609 Comment
  UCD117068  Toxicodendron diversilobum Stephen E. Willeford 1964-5-1 7 Napa East of highway, Putah Creek Drainage, 3 miles south of junction of State Highways 128 and 37. [37 was what is now called 121; assume this was traveling SW along 128 from junction] 182 Comment
  SEINET10879601  Toxicoscordion fremontii John T. Middleton 1936-3-21 Middleton 73 Napa Monticello, CA. Comment
  UCD167096  Trichostema lanceolatum Jake Ruygt 2015-8-17 6153 Napa Missimer - Snell Valley Preserve. 181 Comment
  CDA30789  Trichostema laxum V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  UC1137621  Trichostema laxum B. Schreiber 1936-9-20 2350 Napa 5 mi S of Reiff 762 Comment
  UCD125871  Trichostema laxum G. F. Hrusa; Dave Ragan 1988-9-4 5704 Napa Butts Creek, near Lake-Napa County lines. Comment
  JEPS108656  Trichostema ruygtii Jake Ruygt 2004-8-7 4640 Napa Green Valley Ranch near Solano Couny line. 316 Comment
  JEPS108658  Trichostema ruygtii Jake Ruygt 2004-7-31 4638 Napa NW of; ; NW of Buzzard's Roost, N end of Stag's Leap. Yountville Quad Comment
  JEPS120352  Trichostema ruygtii Jake Ruygt 1991-8-1 2808 Napa Los Posados Road near fire station. Saint Helena 7.5' Quad. Comment
  UC1871375  Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa Mead Ranch, Atlas peak Road, south of Foss Valley 481 Comment
  JEPS112610  Trientalis latifolia Jake Ruygt 1991-5-18 2685 Napa Ink Grade 329 Comment
  JEPS126091  Trifolium albopurpureum Jake Ruygt 1995-4-29 3451 Napa Skyline Park, Sugarloaf Peak Trail. Mount George 7.5' Qua. Comment
  JEPS106689  Trifolium albopurpureum var. albopurpureum Jake Ruygt 1980-4-13 833 Napa Snell Valley 237 Comment
  UCD118404  Trifolium bifidum var. bifidum Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat, just south of main meadow. 387 Comment
  JEPS106830  Trifolium campestre Jake Ruygt 1996-5-13 3671 Napa Wontrop Wildlife Santuary, Hardin Road, Pope Valley 310 Comment
  JEPS106800  Trifolium ciliolatum Jake Ruygt 1995-4-29 3456 Napa Skyline Park, Sugarloaf Peak Trail. 402 Comment
  SJSU7980  Trifolium ciliolatum J. C. Gibbany 1960-4-30 Napa Redwood Rd, 7 mi NW of Napa Comment
  UC1197202  Trifolium ciliolatum Joseph P. Tracy 1899-6-14 395 Napa 3-4 mi e Angwin (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 518 Comment
  JEPS106801  Trifolium depauperatum var. depauperatum Jake Ruygt 1978-4-9 273 a Napa 2.2 miles NW of Dealy Lane on Henry Rd. 97 Comment
  UC16484  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-4-26 Napa La Lomita Comment
  RSA91082  Trifolium depauperatum var. truncatum J. T. Howell 1931-4-4 6172 Napa Upper Napa Valley at Big Geyser Comment
  UCD21503  Trifolium depauperatum var. truncatum Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4405 Napa Quail Ridge Reserve. 262 Comment
  UCR141074  Trifolium dichotomum Beecher Crampton 1955-4-7 2439 Napa Inner North Coast Ranges, 0.25 mile northwest of Knoxville 457 Comment
  POM182744  Trifolium dichotomum D. D. Keck 1931-4-2 1040 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  SEINET10577229 Image available Trifolium dichotomum Charles F. Baker 1903-4-20 Baker 2625 Napa Mt. St. Helena. Common about rocky summits. Comment
  UCD83436  Trifolium dichotomum Jake Ruygt 1983-4-17 1436 Napa Red Hill, Mt. St. Helena. 457 Comment
  JEPS106804  Trifolium dubium Jake Ruygt 1987-4-22 1960 Napa DFG property near Buchli Station 1 Comment
  UCD95680  Trifolium fragiferum Ellen Dean; with Clare Loughran 2011-5-20 7025 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  CHSC10583  Trifolium fucatum Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  UC1197025  Trifolium fucatum Joseph P. Tracy 1902-5-17 1521 Napa 3-4 mi e Angwin's (at head of Moore's Creek); Northern Coast Ranges, Howell's Mtn 365 Comment
  UC16803  Trifolium fucatum Willis L. Jepson 1893-4-25 Napa trail to Cuax's Cabin Napa River Basin Comment
  UCD109759  Trifolium gracilentum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  UCD48019  Trifolium hirtum Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 33 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  JEPS21829  Trifolium incarnatum Margaret Whitmore 1958-3-23 22 Napa 1 mi n Napa (on Atlas Peak Rd) 15 Comment
  CDA38369  Trifolium microcephalum D. G. Kelch 2010-5-6 10 .183 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS106751  Trifolium microcephalum Jake Ruygt 1978-5-13 302 Napa north of Suscol Hill, west of HWY 29 (221) 7 Comment
  UC16633  Trifolium microcephalum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  UC80349  Trifolium microcephalum C. F. Baker 1903-4-19 1994 Napa Calistoga Comment
  UC1300874  Trifolium microdon Helen K. Sharsmith 1963-4-20 5352 Napa above Wooden Valley (Montecello Rd); Napa Range Comment
  RSA313540  Trifolium obtusiflorum P. B. Kennedy 1929-5-23 10287 Napa Moore Creek, region of Mt. Howell, Napa Range. Comment
  JEPS4361  Trifolium oliganthum Willis L. Jepson 1893-4-24 13697 Napa e St. Helena (in hills) Comment
  SEINET7545186  Trifolium petrophilum C. F. Baker 1903-1 2625 Napa Mt. St. Helena Comment
  JEPS126079  Trifolium pratense Jake Ruygt 1986-5-20 1781 Napa Napa Corporate Park (Suscol Plain). Cuttings Warf 7.5' Quad. Comment
  JEPS106831 Image available Trifolium striatum Glenn Clifton 1993-5-11 28157 Napa Suscol Creek, east side of Hwy 221. 48 Comment
  JEPS129145  Trifolium subterraneum Jake Ruygt 1978-4-30 283 Napa 0.1 mile south of Oak Knoll Avenue on Silverado Trail. Napa 7.5' Qua. Comment
  UC1103454  Trifolium variegatum Joseph P. Tracy 1902-5-17 1518 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mtn 365 Comment
  UC1925877  Trifolium variegatum Ethel Crum 1931-1 1084 Napa Near Aetna Springs Comment
  UCD109431  Trifolium variegatum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  UCD83432  Trifolium variegatum Jake Ruygt 1991-5-11 2657 Napa Aetna Springs, 0.5 mi W of golf course. 310 Comment
  UCD83433  Trifolium variegatum Jake Ruygt 2002-5-25 4427 Napa Devil's Canyon, Archer Taylor Preserve. 536 Comment
  POM216217  Trifolium variegatum var. melananthum D. D. Keck 1933-5-28 2336 Napa Between Pope Valley P.O. and Walters Springs. Comment
  UC1197559  Trifolium variegatum var. melananthum Joseph P. Tracy 1902-5-26 1634 Napa near Calistoga; Napa Valley 91 Comment
  UC16759  Trifolium willdenovii H. P. Chandler 1900-4-7 Napa Rutherford Comment
  POM126389  Trifolium willdenovii C. F. Sonne 1895-04 1393 Napa Soda Springs. Comment
  UCD109894  Trifolium willdenovii R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  JEPS106754  Trifolium wormskioldii Jake Ruygt 1982-5-8 1229 Napa north side of American Canyon 85 Comment
  CAS-BOT-BC451905  Triglochin maritima John Thomas Howell 1932-10-8 10810 Napa At Cuttings Wharf on Napa River Comment
  UC429263  Trillium albidum unknown Apr. 1897 554 S Napa woods near Napa City Napa City Comment
  SEINET3991301  Trillium chloropetalum Unknown 1950-4-15 1734 Napa Shaded canyon in chaparell, Monticello Road (Wooden Valley "illegible word") above Napa 305 Comment
  CAS-BOT-BC521016  Trillium chloropetalum var. giganteum Carl B. Wolf 1928-5-3 1833 Napa Base of Mt. St. Helena Comment
  SEINET13750232  Triphysaria eriantha M. J. Williams 1967-5-7 s. n. Napa Pope Valley. 198 Comment
  UCD123399  Triphysaria eriantha M. Wiesendanger 1927-5-4 670 Napa Near Monticello. Comment
  HSC20847  Triphysaria eriantha subsp. eriantha Greg Bos 1963-3-24 45 Napa NW end of Lake Barryesa at Putah Creek 168 Comment
  JEPS10402  Triphysaria eriantha subsp. eriantha W. W. Mott 1915-4-26 Napa hills sw Napa (Napa); , hills sw Comment
  JEPS110677  Triphysaria versicolor subsp. faucibarbata Jake Ruygt 1978-4-30 282 Napa .1 mile south of Oak Knoll Ave. on Silverado Trail 19 Comment
  UCD123421  Triphysaria versicolor subsp. faucibarbata L. P. Thibault 1995-6-2 59 Napa West side of Lower Chiles Road. 0.25 miles northwest of Highway 128. 300 Comment
  UC1334878  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-15 392 Napa on Silvarado trail 5 mi n Napa; on Silverado Trail Comment
  UC27200  Triphysaria versicolor subsp. faucibarbata Willis L. Jepson 1893-4-27 Napa Napa City; Napa River Basin Comment
  JEPS64201  Triteleia hyacinthina W. L. Jepson 1938-5-25 18871 Napa about 4 or 5 mi n Yount School (opposite Rutherford, e side of Napa Valley); Napa Valley Comment
  UC3281  Triteleia hyacinthina Willis L. Jepson 1884-5-4 Napa Little Oak Comment
  JEPS110929  Triteleia laxa Jake Ruygt 1986-4-19 1713 Napa .4 mile east of Flosden Rd. on American Canyon Rd. 36 Comment
  UCD139374  Triteleia laxa M. Sidells 1996-4-27 18 Napa on side of Route 128, 2 miles east of Lake Berryessa. 200 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
  UCD48796  Triteleia laxa Kook-Hyun Chung 2001-4-28 1 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; Along West Rd., ca. 0.45 mi (2400 ft.) NW of jct with South Decker Canyon Rd.; down slope of West Road ca. 1 m. 242 Comment
  UCR196217  Triteleia laxa C. Hallock, C. Kennedy, L. Condon, N. Strahan, R. Flannery 2000-4-22 13 Napa UC McLaughlin Reserve, just south of site of old town Knoxville, north of Knoxville-Berryessa Road, west side of road Comment
  CAS-BOT-BC526509  Triteleia laxa David D. Keck 1933-5-29 2367 Napa Pope Creek bridge south of Walters Springs. Comment
  RSA0009491  Triteleia laxa Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC3311  Triteleia laxa Willis L. Jepson 1893-4-24 Napa hills e St. Helena; Napa River Basin Comment
  UC422833  Triteleia laxa H. P. Chandler 1907-5-8 7564 Napa White Sulphur Spr. St. Helena Comment
  UCD161689  Triteleia peduncularis Jake Ruygt 2009-5-22 5412 Napa American Canyon, across road from quarry. 85 Comment
  JEPS54264  Tropidocarpum gracile Clara A. Hunt 1910-4-6 Napa St. Helena Comment
  CAS-BOT-BC91196  Umbellularia californica Ira L. Wiggins 1932-3-12 5754 Napa Bank of North Fork of Napa River 1 mile north of Calistoga. Comment
  CAS-BOT-BC91201  Umbellularia californica John Thomas Howell 1933-8-27 11623 Napa Sage Canyon, Napa Range. Comment
  CDA15406  Umbellularia californica G. F. Hrusa 1997-2-3 13619 Napa North Coast Biodiversity Arena; Slopes on SW margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam ~1/2 mi. Comment
  CDA21069  Umbellularia californica G. F. Hrusa, G. L. Stebbins 1993-10-3 11461 Napa Sugarloaf Ridge State Park. Trail to Bald Mountain. Midway, 518 Comment
  JEPS40103  Umbellularia californica W. L. Jepson 1937-4-9 17998 Napa Howell Mountain, St. Helena, 1/4 mi below summit St. Helena; Howell Mountain, St. Helena Comment
  RSA195375  Umbellularia californica Gilbert Muth 1967-1-18 511 Napa Pine Hill Road, Angwin. 534 Comment
  RSA3632  Umbellularia californica I. L. Wiggins 1932-3-12 5754 Napa Bank of N Fork of Napa River, 1 mile N of Calistoga. Comment
  SBBG2307  Umbellularia californica var. californica Milton Workman 1953-3-7 8 Napa Portuguese Cyn, Putah Crk Rd Comment
  CAS-BOT-BC404292  Urtica urens Peter H. Raven 1953-4-2 5298 Napa Hills just e. of Imola 60 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
  CHSC107512  Veronica americana M. K. Beyers; F. Favela, J. McDonnell 2009-8-29 211 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
  UCD21502  Veronica peregrina subsp. xalapensis Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4404 Napa Quail Ridge Reserve. 262 Comment
  UCD108688  Vicia americana subsp. americana K. Esau 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  UCD83429  Vicia americana subsp. americana Jake Ruygt 1991-5-11 2655 Napa 1 mi N of College Ave. on Howell Mountain Rd. 551 Comment
  JEPS106542  Vicia americana var. americana Jake Ruygt 1979-4-23 549 Napa .4 miles east of Howell Mtn. Rd. on Chiles and Pope V.Rd. 207 Comment
  UC162845  Vicia americana var. americana Joseph P. Tracy 1902-5-21 1617 Napa 3 to 4 mi e Angwin's (La Jota Plateau, on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  UC1300881  Vicia cracca Helen K. Sharsmith 1963-4-20 5351 Napa above Wooden Valley (on Monticello Road, e side of Napa Range); San Francisco Bay Region, Napa Range 243 Comment
  UC101711  Vicia sativa C. F. Baker 1902-4-19 1988 Napa Calistoga Comment
  POM16866  Vicia sativa C. F. Baker 1903-4-19 2600 Napa St. Helena Comment
  UCD15486  Vicia villosa Tim Nugent 1984-5-19 3 Napa 10 meters south at creek. 304 Comment
  CHSC25104  Vicia villosa subsp. varia J. E. Beitler 1970-4-19 26 Napa St. Helena. At the base of the dam of lower Spring Mountain Reservoir ca. 75 yds. E. of Spring Mountain Road. Comment
  UC1177460  Vicia villosa subsp. varia John Thomas Howell 1945-6-18 20966 Napa Mt. St. Helena; near summit of highway Comment
  JEPS66206  Vicia villosa subsp. villosa W. L. Jepson 1944-5-21 27524 Napa 7 mi n Napa (e side of Napa Valley); Napa Valley Comment
  JEPS129143  Vinca major Jake Ruygt 1979-3-29 462 Napa Dry Creek, northeast corner Trefethen Vineyard. Napa 7.5' Quad. Comment
  UCR198110  Vinca major Kathryn J. Goursolle 1976-5-15 54 Napa Saint Helena, 2.1 mi west of junction of Hwy 128 and Spring Street, on Spring Street 135 Comment