Search Results — 2000 specimen records retrieved (1422 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC331522  Acer macrophyllum Elsa G. Ruckert 1960-3-13 25 Napa 6495 Dry Creek Road 365 Comment
  CAS-BOT-BC28636  Achillea millefolium E. Ruckert 1960-5-1 136 Napa 6495 Dry Creek Road, upper field south of house above water reservoir 381 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
  UCD47869  Achillea millefolium S. E. Ratay; M. Disney, J. Westbrook,R. Wolfson, A. Houser,S. Wathen 2000-4-22 27 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCD50273  Achnatherum coronatum Beecher Crampton 1960-5-2 s.n. Napa Markley Canyon, Vaca Mtns., 2.7 miles southwest of Monticello Dam along State Highway 128. Comment
  UCD50281  Achnatherum coronatum Beecher Crampton 1959-10-6 s.n. Napa Along State Hwy. 128, Markley Canyon, Vaca Mountains, 2.7 miles southwest of Monticello Dam, Napa County. Comment
  CAS-BOT-BC29758  Achyrachaena mollis M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  JEPS17376  Achyrachaena mollis Rimo Bacigalupi with John Dawson 1955-4-25 4847 Napa near junct with Calif No 128 Lower Lake Rd; Monticello Valley 94 Comment
  UCD63351  Acmispon americanus var. americanus Daniel Sanchez-Mata 2006-6-15 s.n. Napa Moskowite Corners-Spanish Flat. Capell Valley. Capell Valley Road close to Capell Creek. 200 Comment
  UCD104094  Acmispon brachycarpus G. L. Webster 1967-3-23 7489 Napa 1 mi S of Spanish Flat. 167 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
  UCD160738  Acmispon brachycarpus Ellen Dean 2015-5-23 8790 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 240 Comment
  SEINET957912  Acmispon micranthus W. L. Jepson 1893-1 13787 Napa Hills, Howell Mountian grade, east of town of St. Helena, Napa River Basin. Comment
  UCD160344  Acmispon parviflorus Nellie Coffey 1931-2-1 s.n. Napa Chiles Valley. Comment
  CDA25688  Adenostoma fasciculatum H. Stabo 1965-2-18 Napa Conn Valley, St. Helena. 0 Comment
  JEPS110561  Adenostoma fasciculatum Jake Ruygt 1976-5-6 54 Napa 2.4 miles NE of Westgate Dr. on Atlas Peak Road 338 Comment
  JEPS44789  Adenostoma fasciculatum W. L. Jepson 1915-12-6 6584 Napa Howell Mt. Comment
  SEINET201172  Adenostoma fasciculatum Lynn B. Hendrix 1962-5-5 42 Napa South end of Lake Berryessa. Comment
  UCD118633  Adenostoma fasciculatum Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and just north of Recreation Flat, on south facing slope. 389 Comment
  UCD18631  Adenostoma fasciculatum Roman Gankin 1957-5-30 228 Napa 5.1 miles W of Monticello Dam, just off of highway on top of hill. Comment
  UCD49134  Adenostoma fasciculatum Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 3 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct with S. Decker Canyon Rd. 228 Comment
  RSA491726  Adiantum jordanii James L. Reveal 1987-6-7 6397 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road, about 6.5 miles northwest of Vacaville 610 Comment
  UCD137227  Adiantum jordanii M. Sidells 1996-4-13 8 Napa Lake Bereyessa. 280 Comment
  UCD48355  Adiantum jordanii Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 20 Napa Quail Ridge Reserve, southeast corner of Lake Berryessa, just west of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just south of junction with Cut Off Rd., near creek bed. 167 Comment
  RSA10646  Adiantum jordanii C. B. Wolf 1928-5-3 1843 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  UCD14797  Adiantum jordanii Matt Gause 1991-6-2 23 Napa 6.8 miles out of the city of Napa along Highway 121. 231 Comment
  CAS-BOT-BC110729  Aegilops triuncialis A. Delfino 1970-6-17 s.n. Napa 40 acres of dry rangeland, J. Belcher property, Wooden Valley. 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
  CAS-BOT-BC22752  Agoseris heterophylla Alice Eastwood 1915-6-5 4637 Napa Calistoga Comment
  UCD128612  Agoseris heterophylla P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  CAS-BOT-BC46058  Agoseris heterophylla var. cryptopleura John Thomas Howell 1931-4-19 6451 A Napa Conn Valley Comment
  JEPS36282  Agoseris heterophylla var. cryptopleura W. L. Jepson 1920-5-25 9043 Napa Knoxville Ridge 670 Comment
  UC635556  Agoseris hirsuta Herbert L. Mason 1926-3-20 2748 Napa marshes s of, along railroad right of way Calistoga Comment
  UC1177042  Agrostis alba John Thomas Howell 1943-6-20 18241 Napa hills sw St. Helena Comment
  OBI22552  Agrostis exarata Robert F. Hoover 1966-8-23 9932 Napa Butts Cyn near Lake Co. line Comment
  UCD39091  Agrostis exarata Beecher Crampton 1963-9-25 6905 Napa State Hwy. 37, west slope of Howell Mtns. east of Napa. Comment
  UCD52144  Agrostis exarata Beecher Crampton 1957-6-4 4105 Napa above Capell Creek, north end of Capell Valley. Comment
  SEINET10510088  Agrostis hallii Peter H. Raven 1952-5-31 Raven 4102 Napa 1.5 mi. Yountville. 30 Comment
  SEINET238872  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Napa County 2 miles north of Calistoga Myrtledale Hot Springs. Comment
  CAS-BOT-BC139012  Agrostis pallens John Thomas Howell 1943-6-19 18236 Napa Hills southwest of Saint Helena. Comment
  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
  UC1158113  Aira caryophyllea Joseph P. Tracy 1950-5-23 18668 Napa La Jota Plateau Northern Coast Ranges, Howell Mountain 518 Comment
  CAS-BOT-BC445424  Alisma triviale James L. Reveal 1987-6-7 6410 Napa Along California Highway 128 northeast of Rutherford, along Corn Creek, about 1 mile south of Trail Silverado, about 4 airline miles southeast southeast of St. Helena 76 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-BC461084  Allium amplectens M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  UC623310  Allium amplectens H. L. Mason 1939-5-18 12102 Napa w Napa (near summit of Wooden Valley Grade); Wooden Valley Grade Comment
  UCD161509  Allium bolanderi var. bolanderi Jake Ruygt 1989-5-20 2330 Napa Monticello Road at Circle Oaks. 304 Comment
  CAS-BOT-BC466765  Allium cratericola Alice Eastwood 1915-6-6 s.n. Napa Mt. St. Helena 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
  SJSU1352  Allium falcifolium J. W. Tilden 1953-5-24 1041 Napa NE slope Mt St Helena 457 Comment
  UCD48253  Allium falcifolium Michele Disney; J. Westbrook,S. Ratay,R. Wolfson,A. Houser,S. Wathen 2000-4-22 30 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles sout of Berryessa-Knoxville Rd. 533 Comment
  CAS-BOT-BC469029  Allium falcifolium David D. Keck 1933-5-29 2375 Napa 1.3 miles south of Knoxville. Comment
  RSA195377  Allium falcifolium Gilbert Muth 1967-4-16 630 Napa Snell Valley. 183 Comment
  RSA293012  Allium falcifolium Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 763 Napa Mt St Helena. Comment
  SEINET3884605  Allium falcifolium D. W. McNeal 1992-4-25 3878 Napa On disturbed hillside above the Knoxville-Berryessa Rd., 1.8 mi S. of the Lake Co. line.; 0 Comment
  SEINET5502060 Image available Allium falcifolium Sally Walker 1982-1 s.n. Napa 9.9 mi S. of Middletown Lake Co Comment
  UC1299308  Allium falcifolium Freed W. Hoffman 1947-3-20 870 Napa Hunting Creek, Napa-Lake county line North Coast Ranges, Hunting Creek Comment
  JEPS96556  Allium fimbriatum var. fimbriatum Dean W. Taylor 1998-5-20 16447 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
  UC608386  Allium fimbriatum var. fimbriatum B. O. Schreiber 1938-4-24 2507 Napa 1/2 mi nw Knoxville; Reiff Quadrangle 609 Comment
  JEPS110936  Allium lacunosum var. lacunosum Jake Ruygt 1999-5-17 4160 Napa Wild Horse Valley Ranch, near Leoma Lakes 429 Comment
  UCD48744  Allium serra S. Murphy; K. Keck and K. Dyer 2002-5-5 9 Napa Quail Ridge UC Reserve, northern tip of ridge, NE from the intersection of West and East roads ca. 250 m, N side of upper road leading to power lines and tip parcels, steep W-facing slope, ca. 10 m from road. 327 Comment
  CAS-BOT-BC475559  Allium serra Alice Eastwood 1930-4-13 17927 Napa Canon between Monticello and Pope Valley Comment
  UCD16031  Allium serra N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 24 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 2-2.5 dm tall, flowers light pink to lavendar. Comment
  JEPS56392  Allium unifolium Willis L. Jepson 1894-5-1 20986 Napa Conn Valley Napa Range, Conn Valley Comment
  SEINET1782449  Allocarya stricta Edward L. Greene 1892-4-20 s.n. Napa Calistoga. [County not given on label.] Comment
  SEINET5010498  Allocarya stricta Unknown 1892-1 Napa Comment
  JEPS84573  Allophyllum divaricatum John W. Willoughby 1977-4-20 2127 Napa below and just to s. Mt. Vaca (w. side of Blue Ridge); Vaca Mts. 609 Comment
  UCD167206  Allophyllum divaricatum Jake Ruygt 1979-5-16 600 Napa 5.8 miles east of Monticello Road on Highway 128. 304 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
  JEPS126112  Alnus rhombifolia Jake Ruygt 1978-4-6 266 Napa 2.9 miles east of Dry Creek Road on Redwood Road. Napa 7.5' Qua. Comment
  JEPS58642  Alnus rhombifolia W. L. Jepson Nov 26 1895-Nov 27 1895 Napa sw St. Helena; White Sulphur Springs Comment
  UC1197953  Alnus rhombifolia J. P. Tracy 1902-5-16 1490 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 304 Comment
  JEPS123023  Alopecurus saccatus Jake Ruygt 1989-4-6 2247 Napa Pasture across from Bale Mill entrance. Quad: Calistoga. Comment
  UCD112864  Amelanchier alnifolia K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  JEPS16029  Ammi majus W. L. Jepson 1920-7-12 9066 Napa Salvador School n. Napa (near Napa R.) Comment
  UCD127156  Ammi majus Rimo Bacigalupi; G. T. Robbins, C. L. Custer 1954-8-9 4752 Napa escape along roadside, just north of the city limits of Napa, about 1/4 mile west of the northern end of Jefferson Street. 18 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
  JEPS106983  Amorpha californica var. napensis Gordon E. McBride 2001-5-10 s. n. Napa on both sides of Dry Creek Road about 100 yds E of the interection with Wall Road, about five mi W of Oakville (just N of Yountville) Comment
  UCD56010  Ampelodesmos mauritanicus G. F. Hrusa 2000-7-26 15683 Napa Old Toll House Rd. at SW base of Mt. St. Helena, approx. 1/2 mi. N of Hwy 29. Steep, north-facing slope above Garnet Cr. 400 Comment
  CAS-BOT-BC222308  Amsinckia douglasiana E. Ruckert 1960-4-17 98 Napa 100 feet southwest of private road leading in from 6495 Dry Creek Road 365 Comment
  JEPS61139  Amsinckia intermedia W. L. Jepson 1924-4-6 10327 Napa mouth of Coun Creek, near St. Helena; Coun Creek Comment
  RSA195307  Amsinckia intermedia Gilbert Muth 1967-4-23 648 Napa Spring Mountain Road, St. Helena. Comment
  UCD14969  Amsinckia intermedia Craig Homan 1977-4-8 4 Napa California, Napa Co.; 14 miles southwest of Winters along Highway 128; Comment
  JEPS126130  Amsinckia lycopsoides Jake Ruygt 2010-3-13 5488 z Napa Silverado Trail at Zinfandel Lane. Rutherford 7.5' Qua. Comment
  RSA0089964  Amsinckia retrorsa Marcus E. Jones 1924-4-24 s.n. Napa Napa. 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
  UCD48076  Anagallis arvensis S. Olmsted; M. Atamian, R. Brush, M. Furuyama, C. Owens 2000-4-29 03 Napa Yolo Co, 1 mile north of Knoxville as the crow flies, 300 m east of an old dirt road that intersects the Yolo/Napa Co line. 640 Comment
  CAS-BOT-BC64141  Ancistrocarphus filagineus J. P. Tracy 1902-5-17 1513 Napa Howell Mountain, head of Moore's Creek, 3-4 miles east of Angwin's 365 Comment
  CAS-BOT-BC64145  Ancistrocarphus filagineus R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6655 Napa 5 mi. E. of St. Helena on road to Pope Valley 304 Comment
  CHSC108729  Ancistrocarphus filagineus B. Castro; L. P. Janeway 2002-5-12 1371 B Napa Inner North Coast Ranges. CA 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. 536 Comment
  HSC44003  Ancistrocarphus filagineus Robert M. Specht 1977-4-13 648 Napa 524 Comment
  UCD47899  Ancistrocarphus filagineus R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 13 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
  POM182719  Ancistrocarphus filagineus D. D. Keck 1931-4-3 1068 Napa Pope Creek Canyon, 8 miles NW of Monticello Comment
  UCD148848  Angelica californica Ellen Dean; Diana Hickson 2014-4-29 8151 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 480 Comment
  UC648280  Angelica californica Alice Eastwood, John Thomas Howell 1939-6-11 7428 Napa w of Calistoga Comment
  UCD55443  Angelica californica Beecher Crampton 1961-6-12 5907 Napa 8 miles northeast Napa along State Hwy. 37, Howell Mountains. Comment
  JEPS15907 Image available Angelica tomentosa W. L. Jepson 1895-8-30 13484 Napa near Calistoga; Upper Napa Valley; Near Calistoga, Upper Napa Valley Comment
  RSA517  Angelica tomentosa var. tomentosa J. T. Howell 1927-8-24 689 Napa Butte Valley, Napa Range Comment
  CAS-BOT-BC273160  Anisocarpus madioides Bruce G. Baldwin 1985-6-2 488 Napa 0.6 miles east of Napa/Sonoma Counties boundary along Oakville Grade Road Comment
  SBBG8596  Anisocarpus madioides H. and M. Dearing 1939-5-1 3241 Napa St Helena Comment
  CAS-BOT-BC84722  Anthemis cotula Peter H. Raven 1950-6-20 2356 Napa In the Napa Range between Conn Valley & Howell Mtn. Comment
  UC1537058  Anthemis cotula Gordon H. True Jr. 1937-6-21 736 Napa near Lokoya Lodge 365 Comment
  UCD129076  Anthemis cotula Andreas Stohr 1996-5-12 13 Napa along road 128 about 5 miles west of Davis. 120 Comment
  RSA430676  Antirrhinum cornutum David M. Thompson 1983-6-17 336 Napa Just N of Pope Creek; at an area reached by traveling private vineyards roads at end of Barnett Road (1.9 miles from start). Comment
  UCD33685  Antirrhinum vexillocalyculatum subsp. breweri Beecher Crampton 1971-10-26 8767 Napa 4.7 miles east of Conn Reservoir Dam, State Hwy. 128. Comment
  JEPS83349  Antirrhinum virga David M. Thompson 1983-8-10 402 Napa very close Silverado Mine (on n side of fire road to summit of Mt. St. Helena, Robert Louis Stephenson State Park); Mt. St. Helena, Detert Reservoir Quad. (7.5', 1958) 865 Comment
  UCD164753  Antirrhinum virga Jake Ruygt 2014-6-7 Napa Livermore Ranch, Montesol. 663 Comment
  JEPS104561  Apocynum androsaemifolium Jake Ruygt 1987-6-5 2024 Napa Wild Horse Valley Ranch 441 Comment
  UC765745  Aquilegia eximia R. F. Hoover 1938-9-23 3865 Napa canyon of South Fork Butts Creek Comment
  UCD18108  Aquilegia eximia K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 45 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  JEPS110885  Aquilegia formosa Jake Ruygt 1976-5-14 80 Napa 2.5 miles west of Mt. Veeder Rd. on Redwood Rd. 237 Comment
  UCD95543  Aquilegia formosa R. H. Miller 1949-5-8 46 Napa Beside Highway 37, about 10 miles northeast of Napa. Comment
  JEPS106845  Arabis glabra Jake Ruygt 1992-4-7 2892 Napa Tuteur Ranch, SW corner 365 Comment
  HSC92697  Arabis oregana D. L. Goforth 1980-4-10 426 Napa Devilhead Rd. at Cedar Creek 579 Comment
  JEPS74731  Arabis oregana Stephen P. Rae and Roman Gankin 1975-4-26 Napa adjacent Cedar Creek (slopes above cut) 548 Comment
  JEPS83480  Arabis oregana Jake Ruygt 1986-3-29 1675 Napa Hunting Creek, in Knoxville area Knoxville Comment
  JEPS66570  Arbutus menziesii Willis L. Jepson 1893-4-25 14653 Napa w of St. Helena (Trail to Caux's Cabin); Napa River Basin Comment
  JEPS66572  Arbutus menziesii W. L. Jepson 1913-4-15 5308 Napa Howell Mountain 762 Comment
  UCD117478  Arbutus menziesii L. Flaherty 1991-4-4 s.n. Napa Near Los Posadas. Comment
  UCD15004  Arbutus menziesii Wesley Ebert 1977-4-16 35 Napa Off east side of Highway 128 above East Bull Canyon, 6 miles southwest of Monticello Dam. 213 Comment
  CAS-BOT-BC409912  Arceuthobium campylopodum Mrs. E. C. Sutliffe 1919-10-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC410145  Arceuthobium occidentale John Thomas Howell 1930-10-19 5618 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown Comment
  SD73216  Arctostaphylos canescens Darley F. Howe 1969-6-7 4634 Napa 2.0 miles south of Lake-Napa County line on Highway 29. 519 Comment
  CAS-BOT-BC23953  Arctostaphylos canescens subsp. canescens John Thomas Howell 1926-10-3 2199 Napa Summit of Mt. St. Helena Comment
  CAS-BOT-BC23957  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12272 Napa Near summit of Mt. St. Helena Comment
  CAS-BOT-BC23961  Arctostaphylos canescens subsp. canescens Walter Knight; Irja Knight 1963-9-23 105 Napa Near quarry, near Lake County Line, Mt. St. Helana. Adjacent to Silverado State Park. Comment
  CAS-BOT-BC23980  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11115 Napa Mt. St. Helena Comment
  CAS-BOT-BC23984  Arctostaphylos canescens subsp. canescens Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC23993  Arctostaphylos canescens subsp. canescens R. Bacigalupi 1926-1-2 1272 Napa Mt. St. Helena, just above toll house. 883 Comment
  CAS-BOT-BC23997  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11109 Napa Mt. St. Helena Comment
  CAS-BOT-BC24018  Arctostaphylos canescens subsp. canescens John Thomas Howell 1930-3-23 4563 Napa Crater Country, near Mt. St. Helena Comment
  CAS-BOT-BC24023  Arctostaphylos canescens subsp. canescens C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  CDA11150  Arctostaphylos canescens subsp. canescens G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11561 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa. Above Sarco Creek. Comment
  RSA70861  Arctostaphylos canescens subsp. canescens J. T. Howell 1930-3-23 4564 Napa Crater Country' near Mt. St. Helena. Comment
  UC571088  Arctostaphylos canescens subsp. canescens H. L. Mason 1926-3-14 2735 Napa Toll House Canyon Mount St. Helena Comment
  JEPS120407  Arctostaphylos canescens subsp. sonomensis Jake Ruygt 2010-4-7 5498 Napa Archer Taylor Preserve, east slope of Bismark Knob above Devil's Well. Comment
  JEPS38619  Arctostaphylos columbiana Anson S. Blake Apr. 1923 Napa Moore Creek Howell Mountain Comment
  CAS-BOT-BC23622  Arctostaphylos crustacea Peter H. Raven 1951-6-26 3072 Napa Wooden Valley Grade 304 Comment
  CAS-BOT-BC24864  Arctostaphylos glandulosa subsp. cushingiana Carl B. Wolf 1928-5-4 1861 Napa Upper slopes of Mt. St. Helena Comment
  CAS-BOT-BC23141  Arctostaphylos glandulosa subsp. glandulosa L. R. Abrams 1928-5-4 12263 Napa Mt. St. Helena trail Comment
  RSA10633  Arctostaphylos glandulosa subsp. glandulosa C. B. Wolf 1928-5-4 1858 Napa Upper slopes of Mount St. Helena. Comment
  SBBG5421  Arctostaphylos glandulosa subsp. glandulosa Milton Workman 1953-3-23 26 Napa Mix Cyn Comment
  UCR228649  Arctostaphylos glandulosa var. cushingiana Ellen Dean, Stephen Rae 2008-5-21 4981 Napa Hills to the west of Hwy 29. Private property accessed by Diamond Mountain Road 268 Comment
  CDA11265  Arctostaphylos manzanita G. F. Hrusa, G. L. Webster, J. M. Tucker 1994-10-29 11920 Napa North Coast Biodiversity Arena; Mt. George Napa Land Trust Reserve. Comment
  JEPS46407  Arctostaphylos manzanita unknown 1896-2-23 Napa Howell Mt. Comment
  UC549544  Arctostaphylos manzanita J. E. Adams 1934-4-10 647 Napa Mt. St. Helena Comment
  UC876434  Arctostaphylos manzanita Alice Eastwood and John Thomas Howell 1937-4-4 3830 Napa e Napa; Wooden Valley Grade Comment
  UCD162097  Arctostaphylos manzanita Dylan O. Burge 2014-3-15 1495 Napa Mount Saint Helena. 760 Comment
  UCD170146  Arctostaphylos manzanita Daniel Potter; Daniel Potter, Ninh Khuu, Travis Parker 2015-3-7 738 Napa East side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 347 Comment
  UCD20734  Arctostaphylos manzanita Ellen Dean; w/ Mark Bibbo 2002-6-17 1097 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along ridge trail that connects Dead Man's Hill and East Road, east of junction with North Decker Canyon Rd. 350 Comment
  UCR43195  Arctostaphylos manzanita L. F. LaPre 1985-4-24 s.n. Napa Inner North Coast Ranges, Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. line and south of Three Peaks 671 Comment
  SEINET11977791  Arctostaphylos manzanita Unknown 1852-1 452 Napa no further locality Comment
  CAS-BOT-BC38917  Arctostaphylos manzanita subsp. elegans John Thomas Howell 1926-10-3 2198 Napa Summit of Mt. St. Helena Comment
  POM125381  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena Comment
  CAS-BOT-BC24288  Arctostaphylos manzanita subsp. manzanita E. A. Goldman 1907-12-28 84 Napa Calistoga. Comment
  CAS-BOT-BC38733  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1907-3-29 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC38773  Arctostaphylos manzanita subsp. manzanita J. W. Stacey 1922-11-30 s.n. Napa Near Calistoga Comment
  JEPS106414  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 1977-1-9 122 Napa .15 miles west of Deer Park Rd. on Hill Avenue 548 Comment
  JEPS122804  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-23 5114 Napa North end of Wall Road. QUAD: Rutherford. Comment
  JEPS122813  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5106 Napa Chiles Valley Road northwest of Turtle Rock. QUAD: Chiles Valley. Comment
  JEPS38880  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1936-12-7 17993 Napa near St. Helena; Napa Range, Glass Mt. Comment
  UC549555  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-10 642 Napa Mt. St. Helena Comment
  CAS-BOT-BC27294  Arctostaphylos stanfordiana Charles Christopher Parry 1887-4-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC43841  Arctostaphylos stanfordiana Alice Eastwood 1918-9-3 7940 Napa Mt. St. Helena Comment
  CAS-BOT-BC43845  Arctostaphylos stanfordiana Alice Eastwood 1923-5-9 11759 Napa Mt. St. Helena Comment
  CAS-BOT-BC43856  Arctostaphylos stanfordiana Alice Eastwood 1923-5-9 11762 Napa Mt. St. Helena Comment
  CAS-BOT-BC43859  Arctostaphylos stanfordiana Peter H. Raven 1951-8-21 3875 Napa Mt. Veeder 792 Comment
  UC1220984  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 1/2 mi w Aetna Springs Comment
  UC205100  Arctostaphylos stanfordiana Katharine Brandegee Napa Anguins Comment
  UCSB25234  Arctostaphylos stanfordiana McMinn, Howard 1936-4-4 Napa Game Refuge, Howell Mountain Comment
  SEINET12524559 Image available Arctostaphylos stanfordiana L. S. Rose 1935-1 35013 Napa Wooden valley grade 5 mi NE. of Napa. Comment
  SEINET8729967 Image available Arctostaphylos stanfordiana Lewis S. Rose 1937-1 37019 Napa Wooden Valley Grade, 8 mi. NE. of Napa. Comment
  POM202671  Arctostaphylos stanfordiana subsp. stanfordiana Alice Eastwood 1922-3-25 11089 Napa Calistoga Comment
  POM301551  Arctostaphylos stanfordiana subsp. stanfordiana N. Hollister 1909-07 13 Napa Mt. George Comment
  POM367457  Arctostaphylos stanfordiana subsp. stanfordiana Lester Rowntree 1930-7-17 s.n. Napa Napa Comment
  RSA169361  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1964-4-2 64015 Napa 2 miles SW of Angwin. 244 Comment
  SBBG33933  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1964-4-2 64015 Napa 2 mi SW of Angwin 243 Comment
  UC876395  Arctostaphylos tomentosa subsp. crustacea Lewis S. Rose 1937-4-4 37017 Napa 8 mi ne Napa; Wooden Valley Grade 274 Comment
  SEINET9336427  Arctostaphylos viscida Unknown 1994-4-8 11716 Napa Occasional in serpentine chaparral, dominated by Adenostoma and Quercus durata. Approx. 1/2 mi above Aetna Springs resort. Comment
  UCD52450  Arctostaphylos viscida Beecher Crampton 1970-4-15 8560 Napa north end of Capell Valley, State Hwy.128. Comment
  UC604657  Arctostaphylos viscida subsp. pulchella Joseph P. Tracy 1938-6-5 15835 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 457 Comment
  UC763150  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1940-8-25 4545 Napa e side Mt. St. Helena Comment
  JEPS38779  Arctostaphylos viscida subsp. viscida W. L. Jepson 1916-8-7 6840 Napa Moore's Creek Howell Mountain Comment
  JEPS81590  Arctostaphylos viscida subsp. viscida R. Raiche 1982-3-7 20211 Napa adjacent of Detert Reservoir (on Butts Canyon Road, hill on ne side of reservoir) Comment
Read comments
Sep 27 2012
  RSA450961  Arctostaphylos viscida subsp. viscida C. B. Wolf 1928-5-4 1859 Napa Upper slopes of Mount St. Helena. Comment
  UC1388347  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-3-20 874 Napa Pope Creek North Coast Ranges Comment
  POM224201  Aristolochia californica Annetta Carter 1936-3-15 1040 Napa Conn Creek Canyon, 3.4 miles out of Rutherford on road to Pop Valley, Napa County, Vine trailing over shrub on creek bank Comment
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Sep 12 2013
  RSA339719B  Aristolochia californica F. R. Fosberg 1967-9-10 48642 Napa Near Haven place above St Helena Comment
  CAS-BOT-BC82391  Arnica discoidea Peter H. Raven 1951-6-10 2906 Napa Toll House - Palisades, Mt. St. Helena 914 Comment
  JEPS35590  Arnica discoidea L. R. Heckard 1964-6-11 1364 Napa along Cal. 121 about 1/2 mi w of the first road summit e of Napa Comment
  RSA88576  Arnica discoidea L. S. Rose 1954-5-24 54049 Napa Summit, Wooden Valley grade, 6 miles N E of Napa. Comment
  CDA11261  Artemisia californica G. F. Hrusa, G. L. Webster, J. M. Tucker 1994-10-29 11916 Napa North Coast Biodiversity Arena; Mt. George Napa Land Trust Reserve. Below old homestead. Comment
  JEPS129155  Arum italicum Jake Ruygt 1993-2-13 3162 Napa End of Poison Road (county road). Cordelia 7.5' Quad. Comment
  JEPS104548  Asclepias eriocarpa Jake Ruygt 1989-6-17 2383 Napa Garnett Creek at Silverado Trail 128 Comment
  UCD20615  Asclepias eriocarpa E. Dean; with M. Bibbo 2002-7-5 1162 Napa McLaughlin UC Reserve. SE reaches of Research Hill, S of parking area at jct of old 4WD road with Knoxville-Berryesa road. E and W sides of creek. 609 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
  CAS-BOT-BC68860  Aspidotis californica Peter H. Raven 1950-4-15 1747 Napa Wooden Valley Grade above Napa 457 Comment
  UC1076342  Aspidotis densa Herbert L. Mason 1926-1-2 2609 Napa Toll House Canyon; Mt St Helena Comment
  JEPS107260  Astragalus breweri Jake Ruygt 1993-4-12 3195 Napa south of James Creek Road and Butts Cany on Road. 213 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
  CAS-BOT-BC178660  Astragalus claranus D. O. Hunt 1922-4-19 s.n. Napa Near St. Helena Comment
  JEPS107258  Astragalus claranus Jake Ruygt 1993-4-10 3188 Napa Lewelling Ranch,south of Sulphur Springs Road., St. Helena 109 Comment
  JEPS107255  Astragalus clevelandii Jake Ruygt 1998-7-6 4077 b Napa Butts Canyon about 0.3 mile north of Snell Valley Road. 377 Comment
  UC1142426  Astragalus clevelandii H. D. Ripley and R. C. Barneby 1945-6-21 6935 Napa 3 mi n Aetna Springs (sandy banks along a stream); n of Aetna Springs 198 Comment
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Aug 16 2013
  UCD104678  Astragalus clevelandii Robert E. Preston 1987-6-18 566 Napa 1.4 mile ne of Big Basin. 414 Comment
  UCD160793  Astragalus clevelandii Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8673 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
  JEPS107252  Astragalus gambelianus Jake Ruygt 1989-4-22 2284 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 304 Comment
  UC70374  Astragalus gambelianus Milo S. Baker 1896-5-8 27 Napa near Four Corners; near Four Corners Comment
  CAS-BOT-BC193127  Astragalus rattanii var. jepsonianus Maxine Wilkes 1933-5-21 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC193128  Astragalus rattanii var. jepsonianus Baker 1938-4-24 8938 Napa Near Pope Valley Comment
  CAS-BOT-BC17531  Athysanus pusillus David D. Keck 1931-4-2 1005 Napa Foot of Wooden Valley grade, 4 miles northeast of Napa. 50 Comment
  CAS-BOT-BC17535  Athysanus pusillus Peter H. Raven 1950-4-15 1709 Napa Silverado Trail outside of Napa. 15 Comment
  JEPS106842  Athysanus pusillus Jake Ruygt 1998-3-21 3887 Napa Intersection of Devilhead Road and Hunting Creek Road 493 Comment
  JEPS53210  Athysanus pusillus W. L. Jepson 1937-4-10 18000 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  SEINET3165955  Athysanus pusillus C. D. Bailey 2008-3-19 260 Napa East of the town of Napa along Combsville Rd. Follow onto Wild Horse Valley Rd. as Combsville Rd. comes to an end. Ca. 1 mile up Wild Horse Valley Rd. on a road cut. 183 Comment
  UCD170302  Athysanus pusillus Daniel Potter; N Khuu, A Holland, J Poore, C Adlam 2016-3-19 842 Napa Knoxville Wildlife Area, southern portion, east of Berryessa-Knoxville Road. 232 Comment
  UCD18022  Athysanus pusillus Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 567 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
  UCD73412  Athysanus pusillus Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  CAS-BOT-BC145930  Avena fatua Beecher Crampton 1956-3-13 3228 Napa State Highway 128, 1 mile south of Rutherford, Napa Valley. Comment
  POM290480  Avena fatua Lyman Benson 1931-2-26 2601 Napa Base Mt. St. Helena; Mayacamas; Napa Valley 244 Comment
  UCD148825  Avena fatua Ellen Dean; Diana Hickson 2014-4-29 8130 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD38526  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3228 Napa Napa Valley, 1 mile south of Rutherford. Comment
  HSC47480  Baccharis pilularis subsp. consanguinea Richard Spjut 1978-12-4 5259 Napa Near Lake Barryessa along Hwy. 128 Comment
  UCR45101  Balsamorhiza macrolepis L. F. LaPre, R. Bjork 1986-7-11 s.n. Napa Inner North Coast Ranges, Tributary to Hunting Creek, 1 mi south of Dunningan Hill, near the Lake Co. line 400 Comment
  CAS-BOT-BC16530  Barbarea orthoceras Peter H. Raven 1952-5-26 4053 Napa Howell Mountain (east side). 304 Comment
  CAS-BOT-BC474765  Barbarea vulgaris Catherine Koehler 2012-5-23 s.n. Napa McLaughlin UC Reserve. Hunting Creek between Hunting Creek Campground and contractor road 365 Comment
  JEPS14992  Bellardia trixago B. Schreiber 1936-3-5 2213 Napa 1 mi sw Napa; Napa Quad. Comment
  UC1177880  Bellardia trixago Francia Chisaki 1957-5-30 967 Napa 0.2 mi s Highway 37 junction with Highway 28 (across from Old Raney Ranch) Comment
  CDA13211  Berberis aquifolium var. aquifolium G. F. Hrusa, M. J. Geitner 1996-4-2 12825 Napa North Coast Biodiversity Arena; Cub Valley at summit of the Palisades. Comment
  JEPS47755  Berberis nervosa W. L. Jepson 1894-1 10386 Napa canyon e slope Mt St Helena (below Toll House) Comment
  CAS-BOT-BC75873  Berberis pinnata Alice Eastwood 1918-5-1 6869 Napa Mount Saint Helena. Comment
  UC118106  Berberis pinnata Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
  UCD161251  Berula erecta Jake Ruygt 3 July1999 4199 Napa American Canyon, north side of quarry. (Coordinates estimated by label maker at UC Davis). 94 Comment
  JEPS53002  Boechera breweri subsp. breweri K. Brandegee 1894-6-1 Napa e of Calistoga (Pope Valley grade summit, n Napa Range); Napa Range Comment
  JEPS110699  Boisduvalia stricta Jake Ruygt 1982-5-26 1300 Napa Craters region near Robert Louis Steve. Sate Park 762 Comment
  CAS-BOT-BC31395  Bolboschoenus robustus Walter Knight; Irja Knight 1978-11-5 3333 Napa Duttons Landing. End of Green Island Road. Comment
  UCD167353  Brassica rapa James Neilson 1981-3-30 4001 Napa Foothills above vineyards along Hwy 29, 5 miles north of Calistoga. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD167363  Brassica rapa James Neilson 1981-3-30 4001 Napa Foothills above vineyards along Hwy 29, 5 miles north of Calistoga. (Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA0125931  Brassicaceae Keith E. Hoffmaster 1946-3-23 1117 Napa Napa range, along Napa-Monticello road Comment
  CAS-BOT-BC106270  Brickellia californica Peter H. Raven 1952-8-28 5160 Napa Road below Napa Soda Springs 213 Comment
  JEPS104526  Brickellia californica Jake Ruygt 1982-9-8 1386 Napa Capell Creek 1 mile east of HWY 128, Berryessa-KnoxvilleRd 143 Comment
  JEPS18618  Brickellia californica Edw. L. Greene 1888-8-30 Napa Calistoga Comment
  RSA247333  Briza maxima Gary D. Wallace 1967-5-27 766 Napa Northwest of St. Helena on Howell Mtn. Rd. 2 mi. west of Pacific Union College. Comment
  UCD170425  Briza minor Daniel Potter; Daniel McNair 2016-4-23 904 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  UCSB803  Brodiaea coronaria Keator, Glenn 1958-6-16 Napa Near Lake Hennessy, Napa Range Comment
  JEPS50491  Brodiaea elegans subsp. elegans Rimo Bacigalupi with T. I. Chuang and L. Constance 1967-7-6 9306 Napa along Conn Valley Road (0.8 mi e of its junction with Howell Mountain Road at upper end Conn Valley); upper end of Conn Valley 121 Comment
  SBBG118107  Bromus C. Bornstein, E. Collins 2004-6-19 Napa Pope Valley Rd, 1.6 mi N of jct with Lower Chiles Valley Rd 259 Comment
  SEINET9361734  Bromus Unknown 1961-6-12 5902 Napa Napa Comment
  JEPS123010  Bromus carinatus var. carinatus Jake Ruygt 1986-5-24 1791 Napa Table Mountain. Quad: Detert Reservoir. Comment
  JEPS123014  Bromus carinatus var. carinatus Jake Ruygt 1991-4-17 2622 b Napa Montgomery Creek about 1/2 mile west of Mt. Veeder Road. Quad: Rutherford. Comment
  UCR152263  Bromus catharticus Beecher Crampton 1961-6-12 5902 Napa Inner North Coast Ranges, 7 miles northeast of city of Napa, summit along State Highway 37 396 Comment
  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
  HSC43959  Bromus hordeaceus Robert M. Specht 1977-4-19 690 Napa Above drainage running NE from Adams Creek. 518 Comment
  JEPS123007  Bromus hordeaceus Jake Ruygt 1982-4-29 1211 Napa Suscol plain west of Highway 29 (221), east of Kaiser (Napa Pipe). Quad: Napa. Comment
  UC50589  Bromus hordeaceus H. P. Chandler 1900-5-7 Napa Rutherford Comment
  UC60203  Bromus hordeaceus Willis L. Jepson 1893-1 Napa Napa River Basin, Napa Valley Napa Valley; Napa River Basin, Napa Valley Comment
  UCD48842  Bromus hordeaceus A. Van Houtte; E. Leger, C. Hohn 2001-4-14 1 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; N of Research Station, in an open meadow in a saddle of Decker Ridge Rd., N of jct with South Decker Canyon Rd. 365 Comment
  CAS-BOT-BC155330  Bromus laevipes Peter H. Raven 1952-5-31 4151 Napa West of Rector Dam. 182 Comment
  UC766913  Bromus laevipes R. F. Hoover 1941-5-10 5009 Napa between St. Helena and Calistoga Comment
  UCD58877  Bromus laevipes Beecher Crampton 1956-5-25 3456 Napa Head of Markley Canyon. Vaca Mtns. Comment
  UCD58957  Bromus laevipes Beecher Crampton 1965-6-30 7409 Napa Mt. Vaca, Vaca Mtns. 872 Comment
  UCSC000048  Bromus laevipes August L. Hormay 1932-6-19 s.n. Napa Mt. St. Helena 4-5 miles South East of Middleton 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
  JEPS123003  Bromus madritensis subsp. rubens Jake Ruygt 1977-4-9 182 Napa Mount George. Quad: Mount George. Comment
  UCD121145  Bromus pseudolaevipes Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7345 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. Near small drainage that is just west of granitic grassland on north side of road. 519 Comment
  JEPS126118  Buddleja davidii Jake Ruygt 1990-9-17 2603 Napa North Kelly Road near Highway 29. Cuttings Wharf 7.5' Qua. Comment
  UC1153821  Calamagrostis koelerioides Beecher Crampton 1957-5-16 4045 Napa above Capell Creek (n end of valley); Capell Valley Comment
  CAS-BOT-BC233996  Calandrinia breweri Peter H. Raven 1953-4-2 5288 Napa Burn e. of Tulucay Creek 426 Comment
  CAS-BOT-BC233997  Calandrinia breweri John Thomas Howell 1931-4-2 6060 Napa Wooden Valley Grade 5 miles east of Napa Comment
  JEPS112604  Calandrinia breweri Jake Ruygt 1982-4-4 1167 Napa 3.2 miles north of Loma Vista Dr. on Soda Canyon Rd. 335 Comment
  UC1001197  Calandrinia breweri Peter H. Raven 1953-4-2 5288 Napa burn e Tulucay Creek 426 Comment
  UCD48083  Calandrinia breweri B. Takahashi; S. Burgess, A. Ryan, J, Pierner, A. Hufton 2000-4-29 3 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
  CAS-BOT-BC438473  Calandrinia ciliata Peter H. Raven 1954-2-22 6408 Napa Orchard at west end of Saint Helena 60 Comment
  SEINET5726743 Image available Calandrinia ciliata Kim Page 1965-1 5 Napa Dollarhide Road, ca. 3 miles east from Pope Valley.; Pope Valley Comment
  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
  JEPS120390  Callitriche heterophylla var. bolanderi Jake Ruygt 1993-3-27 3174 Napa Alston Park, Dry Creek Road, Napa Comment
  JEPS42826  Callitriche heterophylla var. bolanderi Willis L. Jepson 1893-5-1 13821 Napa near Calistoga (road to Knight's Valley); Napa River Basin, Upper Napa Valley Comment
  UCD161613  Callitriche marginata Jake Ruygt 2002-3-12 4359 Napa Lewelling Ranch, Sulphur Springs Avenue, St. Helena. 77 Comment
  CAS-BOT-BC85796  Calocedrus decurrens Carl B. Wolf 1928-2-25 1508 Napa 3 miles north of summit of Mt. St. Helena Grade Comment
  UCD139461  Calochortus albus R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  JEPS61629  Calochortus amabilis W. L. Jepson 1943-5-15 20775 Napa Knoxville Ridge Comment
  POM263156  Calochortus amabilis J. C. Roos 1939-4-18 278 Napa Howell Mountain, Angwin. Comment
Read comments
Feb 15 2006
  RSA450207  Calochortus amabilis J. C. Roos 1939-3-27 305 Napa Snell Valley, Pacific Union College, Angwin Comment
  UCD139482  Calochortus amabilis L. P. Thibault 1995-5-19 40 Napa along Highway 128, ca. 0.5 mile W of intersection with Lower Chiles Valley Road and W of Sage Creek. 250 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
  UCD48262  Calochortus amabilis R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 4 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  CAS-BOT-BC488489  Calochortus amabilis R. Baeigalupi 1925-4-26 1226 Napa hills 1 mi north of Napa Soda Springs Comment
  CAS-BOT-BC488490  Calochortus amabilis L. R. Abrams 1928-5-3 12208 Napa St. Helena Grade Comment
  POM169455  Calochortus amabilis C. F. B 1903-4-20 2622 Napa Mt. St. Helena. Comment
  UC1537213  Calochortus luteus Gordon H. True Jr. 1938-6-21 739 Napa near Lokoya 365 Comment
  UCD139528  Calochortus luteus A. Amezcua 1995-5-26 25 Napa 300 m west of Berryessa - Knoxville Road approximately 3 km north of Spanish Flat Resort. 200 Comment
  UCD41332  Calochortus luteus Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 7 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. W of turn off to old town of Knoxville, N side of road, about 0.5 airline miles WSW of site of old town of Knoxville. 434 Comment
  JEPS8947  Calochortus splendens Rimo Bacigalupi with L. T. Dempster and G. T. Robbins 1954-5-25 4507 Napa 8.2 mi e Conn Lake (reservoir) (slopes above Soda Creek on State Route 28) Comment
  CAS-BOT-BC483610  Calochortus tolmiei Ira L. Wiggins 1949-4-30 12092 a Napa Mount St. Helena near Lake County Line Comment
  UCD139594  Calochortus umbellatus G. Ledyard Stebbins 1984-4-8 C 405 Napa Chiles Valley. Comment
Read comments
Apr 29 2019
  JEPS61742  Calochortus uniflorus W. L. Jepson 1924-4-6 10312 Napa Conn Valley Napa Range 914 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
  UCD161587  Calycadenia micrantha Jake Ruygt 2008-5-10 5328 Napa Buzzard's Roost, east of Stags Leap, Napa Range. (Coordinates converted from UTM data by label maker.) 480 Comment
  CAS-BOT-BC270825  Calycadenia pauciflora Gerald D. Carr 1971-10-23 683 Napa Junction of Lower Chiles Valley and Pope Valley Roads Comment
  CAS-BOT-BC270839  Calycadenia pauciflora David D. Keck 1933-7-1 2466 Napa Butts Creek Canyon, ca. 5 miles NE of Aetna Springs Comment
  RSA255520  Calycadenia pauciflora Gerald D. Carr 1972-8-21 729 Napa 3 miles NE of Chiles and Pope Valley Road on Pope Canyon Road 183 Comment
  CAS-BOT-BC270840  Calycadenia pauciflora J. Clausen 1935-5-22 1064 Napa 19.5 miles SE of Lower Lake on the Monticello Road, on slope near road, facing SE at bend in road Comment
  JEPS104713  Calycadenia pauciflora John L. Morrison 1936-9-19 1947 A Napa Knoxville Mines Comment
  RSA255519  Calycadenia pauciflora Gerald D. Carr 1972-8-9 727 Napa Mysterious Creek Road, 11.3 miles SW of Berryess-Knoxville Road via Devilhead Rd. Comment
  UC1876241  Calycadenia pauciflora Gerald D. Carr 1972-8-9 725 Napa 5.8 mi S of Berryessa-Knoxville Rd. on Devilhead Rd., Cedar Valley. Comment
  UCD129844  Calycadenia pauciflora Gerald D. Carr 1972-8-9 727 Napa Mysterious Creek Road, 11.3 miles southwest of Berryessa-Knoxville Road. Via Devilhead Road. Comment
  UC1925922  Calycadenia truncata Ethel Crum October 1930 908 Napa Yountville Comment
  CAS-BOT-BC271552  Calycadenia truncata subsp. truncata David D. Keck 1933-11-10 2720 Napa 1 mi. N. of Yountville Comment
  CAS-BOT-BC271563  Calycadenia truncata subsp. truncata Peter H. Raven 1951-8-21 3868 Napa Ridge se of Mt. Veeder 670 Comment
  CAS-BOT-BC271566  Calycadenia truncata subsp. truncata John Thomas Howell 1930-7-13 5344 Napa Lower slopes of Mt. St. Helena Comment
  CAS-BOT-BC271568  Calycadenia truncata subsp. truncata G. D. Carr 1971-10-23 682 Napa Howell Mt. Rd. ca. 0.8 S of Angwin 476 Comment
  CAS-BOT-BC271567  Calycadenia truncata subsp. truncata John Thomas Howell 1929-10-26 4533 Napa 1/2 mile north of Yountville Comment
  CAS-BOT-BC271570  Calycadenia truncata subsp. truncata H. M. Hall 1924-10-4 12109 Napa Near Yountville Comment
  CAS-BOT-BC271598  Calycadenia truncata subsp. truncata H. M. Hall 1923-10-14 11945 Napa Howell Mt. Comment
  RSA31986  Calycadenia truncata subsp. truncata A. A. Heller 1941-9-22 16317 Napa Roadside bank 1 mile north of Yountville. Comment
  CAS-BOT-BC90960  Calycanthus occidentalis John Thomas Howell 1927-8-23 3041 Napa Sage Canon [Canyon] in Napa Range east of Rutherford. 91 Comment
  JEPS40319  Calycanthus occidentalis W. L. Jepson 1934-10-16 16896 Napa Adam and Eve Ridge Howell Mt. (by the cave, Howell Mt.) Comment
  JEPS40320  Calycanthus occidentalis Willis L. Jepson Jul 1894 Napa Mt. St. Helena Comment
  SBBG9297  Calycanthus occidentalis S. Wagener 1955-5-16 73 Napa Conn Dam, St Hwy 128 Comment
  SJSU449  Calycanthus occidentalis H. H. Anderson 1939-5-15 Napa Mt St Helena Comment
  UCR74386  Calycanthus occidentalis G. Fred Hrusa 1988-5-12 5601 Napa North Coast Range, Pope Creek, c. 2 mi east of jct of Pope Valley Rd. and Chiles Valley Rd. 244 Comment
  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
  RSA0059891  Calystegia collina subsp. collina C. F. Baker 1903-5-8 2968 Napa Knoxville. Comment
  JEPS101706  Calystegia collina subsp. oxyphylla Dean W. Taylor 1998-6-3 16463 Napa dirt rd 0.4 miles N Twin Peak Mine, Bateman Cr drainage 579 Comment
  SD225762  Calystegia occidentalis subsp. occidentalis R. K. Brummitt 1997-6-2 19625 Napa NE of Lucerne, 15 km along Bartlett Springs Road from Clear Lake 1000 Comment
  RSA52706  Calystegia purpurata I. L. Wiggins 1949-4-30 12080 Napa Along old toll road between Calistoga and Middletown. Comment
  SEINET7072530  Calystegia subacaulis A. G. Vestal 1963-4-8 s.n. Napa On Route 128 abut 5.2 miles east of the turn off to Pope Valley Road. Coordinate datum: NAD 27. Comment
  JEPS61539  Camassia quamash subsp. quamash Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  RSA186745  Camissonia hirtella Peter H. Raven 1965-5-15 20206 Napa Nevada Creek, 5 miles SSE of Knoxville 335 Comment
  UC1196942  Camissoniopsis hirtella J. P. Tracy 1902-5-16 1508 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 365 Comment
  JEPS33762  Camissoniopsis hirtella W. L. Jepson 1936-5-31 17569 Napa between Toland House and Angwin; Napa Range, Howell Mt., La Jota Plateau, La Jota Comment
  UCD75840  Campanula angustiflora Jake Ruygt 2005-6-1 4890 Napa Blue Ridge, about 1 mile north of Mays Flat. 737 Comment
  SEINET10463865  Campanula angustiflora Lincoln Constance 1946-5-18 Constance 3045 Napa Southeast slope of Mount St. Hellena, near the old inn Comment
  UCD69010  Campanula griffinii P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. Base of barrens, on serpentine soils. UTM: 10SEN6659 155 Comment
  UCD75839  Campanula griffinii Jake Ruygt 1996-5-14 3691 Napa White Cliff Springs, Elder Valley, Sabini property. 384 Comment
  JEPS53370  Cardamine californica var. integrifolia Willis L. Jepson 1896-2-23 13396 Napa Howell Mountain Napa River Basin, Howell Mountain Comment
  CAS-BOT-BC37857  Cardamine oligosperma Peter H. Raven 1954-2-22 6397 Napa Saint Helena. 60 Comment
  JEPS106779  Cardaria draba Jake Ruygt 1981-5-3 1009 Napa American Canyon east of Flosden Rd. 42 Comment
  SJSU11852  Carduus pycnocephalus subsp. pycnocephalus J. C. Gibbany 1960-4-30 Napa 7 mi NW of Napa on Redwood Road Comment
  UC50828  Carex amplifolia J. P. Tracy 1902-5-21 1606 Napa 3-4 mi e Angwin's (head of Moore's Creek); Moore's Creek 365 Comment
  JEPS121335  Carex amplifolia Jake Ruygt 1992-5-2 2920 Napa Scott's Flat, Aetna Springs Rd. Comment
  UCD161692  Carex amplifolia Jake Ruygt 2010-5-16 5558 Napa Mt. George, near Foote Botanical Preserve trailhead. 304 Comment
  JEPS121332  Carex aquatilis var. dives Jake Ruygt 2006-4-15 4982 Napa Highway 29, about 0.5 mi. south of Lincoln Ave., Calistoga. Comment
  UCD73493  Carex densa Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD140275  Carex densa L. S. Rose 1935-6-4 s.n. Napa Mt. Helena. Comment
  UCD161514  Carex densa Jake Ruygt 1990-4-7 2463 Napa Veteran's Peak, at homestead. 231 Comment
  JEPS121350  Carex dudleyi Jake Ruygt 2006-4-15 4980 Napa Highway 29, about 0.5 mi. south of Lincoln Ave., Calistoga. Comment
  CAS-BOT-BC20851  Carex globosa John Thomas Howell 1941-4-5 16157 Napa Franz Valley. Comment
  UCD161706  Carex globosa Jake Ruygt 2010-6-21 5627 Napa Van Ness Canyon about 1/3 mile south of Wildwood house. (Coordinates converted from UTM data by label maker.) 609 Comment
  JEPS121323  Carex globosa Jake Ruygt 1988-5-1 2165 Napa Cleary Reserve. Comment
  CAS-BOT-BC32123  Carex multicaulis John Thomas Howell 1926-3-28 1768 Napa St. Helena Creek near Patten's Comment
  UCD168730  Carex multicostata Stephen P. Rae; A. Solomeshch 2007-5-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  CDA13209  Carex nudata G. F. Hrusa, M. J. Geitner 1996-4-2 12823 Napa North Coast Biodiversity Arena; MonteSol Ranch, +/- 10 mi. S of Middletown (Lake Co.). Monte Sol Creek. Comment
  JEPS121338  Carex nudata Jake Ruygt 1978-4-6 267 Napa 2. [sic] miles west of Dry Creek on Redwood Road Comment
  CAS-BOT-BC118467  Carex praegracilis Lewis Samuel Rose 1935-6-4 35201 Napa E slope of Mt. St. Helena Comment
  JEPS121327  Carex praegracilis Jake Ruygt 2002-4-1 4382 Napa Bothe State Park, north of office; parking area. Comment
  UCD161703  Carex praegracilis Jake Ruygt 2010-5-15 5554 -b Napa Butts Creek, Missimer / Snell Valley Preserve. 185 Comment
  HSC88218  Carex serratodens Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2345 Napa Along Morgan Valley Rd., 0.5 mi. from Lake Co. line Comment
  RSA115537  Carex serratodens Beecher Crampton 1957-4-22 3942 Napa Along new section Highway 128, above Capell Creek, north end of Capell Valley. Comment
  UCD161757  Carex tumulicola Jake Ruygt 1997-4-8 3826 Napa Napa Valley: east end of Taplin Road, Heitz Cellars. 103 Comment
  CDA6924  Carthamus creticus G. D. Barbe 1978-7-21 2411 Napa Stags Leap, Silverado Trail, east of Yountville. 0 Comment
  OBI4705  Carthamus lanatus T. C. Fuller 1961-6-15 6337 Napa F.J. Tamangi prop, W of Silverado Trl, 0.5 mi N of Larkmead Ln, ca 2 mi SE of Calistoga Comment
  SEINET13331031 Image available Carthamus lanatus T. C. Fuller 1961-6-15 6337 Napa Scattered patches in dry pasture F.J. Tamangi property, W. of Silverado Trail, 0.5 mi. N. of Larkmead Lane, 2 mi. SE of Calistoga Comment
  CAS-BOT-BC249079  Castilleja affinis Peter H. Raven 1964-5-9 19051 Napa Along dirt road 2 miles west of Aetna Springs Comment
  RSA128552  Castilleja affinis Peter H. Raven 1952-5-26 4071 Napa E. side Wooden Valley Grade. 305 Comment
  JEPS35589  Castilleja affinis subsp. affinis L. R. Heckard 1964-6-11 1365 Napa 1.3 mi sw Calif. Hwy. 121 junction with Wooden Valley road (along Calif Hwy 121, above Wooden Valley) Comment
  JEPS110631  Castilleja ambigua subsp. ambigua Jake Ruygt 1985-5-18 1598 Napa Foss Valley 435 Comment
  UCD20753  Castilleja applegatei M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 102 Napa McLaughlin UC Reserve. Devilhead Rd. 2.5 road miles S of jct. with Knoxville-Berryesa Rd. W side of the road by small perennial creek. 487 Comment
  JEPS103917  Castilleja applegatei subsp. martinii T. I. and F. M. Chuang 1991-6-23 7834 Napa 3 mi N of Angwin, along Ink Gade Rd. Comment
  UC1001198  Castilleja applegatei subsp. martinii Peter H. Raven 1953-5-2 5394 Napa Summit of hills due e. of Yountville 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
  JEPS66536  Castilleja applegatei subsp. martinii John F. Emmel 1971-4-17 343 Napa just above Butts Canyon Road and Snell Valley Road junction 219 Comment
  UCD122290  Castilleja applegatei subsp. martinii Robert Kehlor 1951-4-28 39 Napa In Putah Canyon above Recreation Beach, 10 miles west of Winters. 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
  UCD148821  Castilleja attenuata Ellen Dean; Diana Hickson 2014-4-29 8126 a Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  UCD159786  Castilleja attenuata James A. Neilson Jr. 1975-4-13 3136 Napa Soda Canyon Road, near summit. 457 Comment
  UC194175  Castilleja attenuata C. F. Sonne Apr 1895 Napa Napa Junction Comment
  JEPS10088  Castilleja densiflora subsp. densiflora Rachael Wilson 1944-5-9 Napa Conn Valley Comment
  JEPS110626  Castilleja densiflora subsp. densiflora Jake Ruygt 1992-4-29 2916 Napa Johnson's Meadow, Wild Horse Valley Ranch 420 Comment
  JEPS9410  Castilleja densiflora subsp. densiflora W. W. Mott 1915-4-26 4 Napa Napa, hills sw Napa Comment
  CDA11898  Castilleja foliolosa G. F. Hrusa, G. L. Stebbins 1994-4-8 11722 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  CHSC31987  Castilleja foliolosa L. Ahart 1976-3-7 1018 Napa On steep hillside ca. 1/4 mi s of the rd, ca. 2 mi sw of Monticello Dam. 152 Comment
  UC26422  Castilleja foliolosa Willis L. Jepson 1893-4-25 Napa Napa River Basin; trail to Caux's Cabin Comment
  UCD48225  Castilleja foliolosa E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 1 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCD48226  Castilleja foliolosa C. Owens; A. Atamian, R. Brush, S. Olmsted, M. Furuyama 2000-4-29 16 Napa Border of Yolo and Napa County, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct 1999). 640 Comment
  JEPS86591  Castilleja minor subsp. spiralis L. R. Heckard with Jake Ruygt 1987-5-10 6659 Napa ca 0.25 mi ne Quarry (ne of Vallejo); American Canyon Ridge 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
  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
  SFV11129  Castilleja rubicundula subsp. lithospermoides F. M. Ball May 1961 Napa Route 29 north of Calistoga. 305 Comment
  UCD123050  Castilleja rubicundula subsp. lithospermoides K. Esau; E. Hyde 1938-5-25 s.n. Napa Exact location unknown. Comment
  JEPS58624  Castilleja subinclusa subsp. franciscana Willis L. Jepson 1894-11-5 Napa Bottle Mt. Napa River Basin, St. Helena Comment
  UCD149597  Catalpa bignonioides Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  CAS-BOT-BC40474  Caulanthus lasiophyllus John Thomas Howell 1931-4-2 6074 Napa Wooden Valley grade 5 miles east of Napa. Comment
  UCD74390  Caulanthus lasiophyllus Jake Ruygt 1986-4-5 1681 Napa Ridge to the south of Suscol Creek. 237 Comment
  UC18314  Ceanothus confusus Willis L. Jepson 1893-5-4 Napa Mt. St. Helena, trail to first summit Napa River Basin Comment
  RSA298950  Ceanothus cuneatus Edward Lee 1936-3-15 1824 Napa Butt's Canyon (trip from Rutherford to Pope Valley) Comment
  SFV5087  Ceanothus cuneatus B. C. Templeton 1957-6-26 s. n. Napa Between Calistoga and Petrified Forest. Comment
  UCD19322  Ceanothus cuneatus M. A. Bibbo; E. Dean 2001-7-6 14 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 2.6 air miles from jct. with S Decker canyon rd. E (upslope) side of the rd on a W facing slope. 228 Comment
  CDA35563  Ceanothus cuneatus T. C. Fuller 1962-3-27 7897 Napa North of Hwy. 128, 5 miles west of Monticello Dam. 0 Comment
  RSA755233  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2007-4-27 DOB 899 c Napa Vaca Mts.: on E-W trending ridge S of East Mitchel Canyon, 15.2 road miles W of Hwy 505 on SR 128 (mile marker 29.77), 24.1 km 87 degrees true ENE of Rutherford. 270 Comment
  CAS-BOT-BC49113  Ceanothus cuneatus var. ramulosus Frank A. Leach 1921-3-1 s.n. Napa Hills back of Napa asylum Comment
  RSA602255  Ceanothus dentatus Louis C. Wheeler 1952-8-30 6874 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  CAS-BOT-BC49786  Ceanothus divergens John Thomas Howell 1941-4-5 16167 Napa About 1 mi. sw. of Calistoga Comment
  CAS-BOT-BC49789  Ceanothus divergens Walter Knight; Steve Edwards 1985-11-17 5186 Napa Kortum Canyon Road Comment
  CAS-BOT-BC49798  Ceanothus divergens John Thomas Howell 1941-4-5 16159 Napa Franz Valley Comment
  CAS-BOT-BC49802  Ceanothus divergens T. S. Brandegee 1889-4-1 74 Napa Mt. St. Helena Comment
  CAS-BOT-BC64443  Ceanothus divergens Frank A. Leach 1921-3-1 s.n. Napa Hills back of Napa Canyon. Comment
  JEPS33672  Ceanothus divergens John Thomas Howell 1926-3-21 1705 Napa trail to top of Mt. St. Helena Comment
  POM161253  Ceanothus divergens R. C. Bacigalupi 1926-3-28 s.n. Napa Between 1st and 3rd summit; Mt. St. Helena Comment
  SEINET12211279  Ceanothus divergens W. Knight, Schmidt, C. 1987-1 6058 Napa Kortum Canyon Road 274 Comment
  UC18326  Ceanothus foliosus Willis L. Jepson 1893-5-8 Napa below New Eden Howell Mt., Napa River Basin Comment
  UC726044  Ceanothus foliosus A. A. Heller 1941-5-3 16085 Napa Mt. St. Helena, ca half way to summit Comment
  UCR43196  Ceanothus foliosus 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
  SACT002921  Ceanothus foliosus M. Wiesendanger 1928-4-5 Napa Collected on road Comment
  CAS-BOT-BC50878  Ceanothus foliosus var. foliosus Ella Dales Cantelow 1939-4-8 2524 Napa 4 1/2 mi. s.w. of Pac Union College, Howell Mt. Comment
  CAS-BOT-BC50912  Ceanothus foliosus var. foliosus Paul F. Covel 1940-4-28 1705 Napa Grade near Sanatarium Comment
  UCD112138  Ceanothus foliosus var. foliosus Heidi E. M. Dobson 1978-5-6 318 Napa East slope of Mt. Veeder. Comment
  UC424875  Ceanothus incanus Milo S. Baker 1929-3-27 3423 b Napa North slope Mt. St. Helena along hwy Comment
  UCD112497  Ceanothus integerrimus K. Esau; E. Hyde 1938-5-15 s.n. Napa Mt. St. Helena. Comment
  CAS-BOT-BC50636  Ceanothus jepsonii Ella Dales Cantelow 1939-4-8 2525 Napa 3 1/2 mi. n.w. of Knoxville Comment
  CAS-BOT-BC50639  Ceanothus jepsonii C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  RSA758815  Ceanothus jepsonii D. H. Wilken, E. L. Painter 2007-6-6 16741 Napa Near summit of Butts Canyon Road, about 1.5 linear kilometers south of junction with Snell Valley Road. 315 Comment
  SEINET5743563 Image available Ceanothus jepsonii var. albiflorus Ithnin Bujang 1974-1 9 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon Road and Chiles Valley Road intersection. N-facing slope of hill. 204 Comment
  UCD149665  Ceanothus oliganthus Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  CAS-BOT-BC51560  Ceanothus oliganthus var. sorediatus W. L. Jepson 1891-7-7 s.n. Napa in the Vaca Mts. Comment
  POM182687  Ceanothus oliganthus var. sorediatus D. D. Keck 1931-4-2 1011 Napa Foot of Wooden Valley Grade, W base of Napa Range, 4.5 miles NE of Napa. 90 Comment
  UCD49126  Ceanothus oliganthus var. sorediatus L. Wynholds; S. Du Plessis, B. Erickson, and C. Mallek 2001-4-14 23 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along South Decker Canyon Rd. between Cut-Off Rd. and Decker Ridge Rd. 266 Comment
  UCD67893  Ceanothus oliganthus var. sorediatus F. Takeda 1977-4-16 21 Napa 4.5 mi. SW of Monticello Dam, along Hwy 128, 15 yards off Hwy. 128. Growing on north-facing slope in chaparral. Tree 4 m tall with gray bark, light purple petals, and small flowers. 152 Comment
  UC1299537  Ceanothus parryi Freed W. Hoffman 1947-3-20 941 Napa East side of Napa Range on Trinity Road Comment
  UC18399  Ceanothus parryi Willis L. Jepson 1893-5-4 Napa Creek Bed w Calistoga; Creek bed w of Calistoga Comment
  UC1998002  Ceanothus parryi Joseph P. Tracy 1902-5-15 1462 Napa on hills at head of Moore's Creek, 3-4 miles east of Angwin's; Howell Mountain 365 Comment
  UC79862  Ceanothus parryi Katharine Brandegee June 1889 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UC931951  Ceanothus parryi Verne and Alva Grant 1946-5-26 7633 Napa southeast slope of Mt. St. Helena 1066 Comment
  UCD95981  Ceanothus parryi Ellen Dean; with Clare Loughran 2011-5-20 7070 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  CAS-BOT-BC52185  Ceanothus purpureus Peter H. Raven 1953-5-2 s.n. Napa Soda Creek Canyon 2 miles below Foss Valley 335 Comment
  CDA11157  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11568 Napa North Coast Biodiversity Arena; Howell Mtn., W face, 2-3 mi. W of Angwin, alongside Howell Mtn Rd. Comment
  JEPS42097  Ceanothus purpureus Willis L. Jepson 1893-9-21 14028 Napa Napa Range on Wooden Valley grade Napa River Basin Comment
  POM230537  Ceanothus purpureus Alice Eastwood, John T. Howell 1937-4-4 s.n. Napa Wooden Valley Grade Comment
  RSA40278  Ceanothus purpureus L. S. Rose 1948-3-8 s.n. Napa Wooden Valley Grade, 6 miles NE of Napa. 183 Comment
  UC1281276  Ceanothus purpureus H. E. McMinn 1944-6-8 1385 D Napa Wooden Valley Comment
  UC870642  Ceanothus purpureus John Thomas Howell 1937-7-4 13062 Napa Wooden Valley Grade Comment
  JEPS110661  Ceanothus sonomensis Jake Ruygt 1984-3-31 1523 Napa Devil's Canyon, Bismark Knob 624 Comment
  JEPS42407  Ceanothus velutinus W. L. Jepson 1893-9-23 14012 Napa Mt. St. Helena 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
  UC153976  Centaurium muehlenbergii Joseph P. Tracy 1905-7-6 2227 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); North Coast Ranges, Howell Mtn 365 Comment
  JEPS46944  Centaurium trichanthum W. L. Jepson 1916-8-6 6836 Napa Howell Mt. 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
  UC1438405  Centaurium trichanthum C. R. Broome 1971-8-25 890 Napa 9.7 mi n Pope Valley (and 9.75 mi s of Middletown, Butts Canyon Road, just w of highway) Comment
  UC1222140  Centaurium trichanthum Joseph P. Tracy 1950-8-11 19302 Napa between Napa City and Yountville; Napa Valley, Calistoga Hot Springs 30 Comment
  SD9168  Centromadia parryi Katherine Curran 1883-1 Napa Calistoga Comment
  JEPS38168  Centromadia parryi subsp. parryi W. L. Jepson 1894-7-19 Napa about 2 mi above Calistoga Comment
  JEPS38176  Centromadia parryi subsp. parryi Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  LA204242  Centromadia parryi subsp. parryi David D. Keck; 1933-11-10 2715 Napa Calistoga, 2 mi N of center of town at the geysers Comment
  JEPS33817  Centromadia parryi subsp. parryi C. C. Parry 1881-7-1 129 Napa Calistoga Comment
  JEPS112624  Centunculus minimus Jake Ruygt 1995-6-5 3486 b Napa Taylor driveway, about 1.5 miles south of Lake Hennessey. 411 Comment
  SEINET7073047  Cerastium glomeratum A. G. Vestal 1963-4-7 s.n. Napa Low flat about 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD27. Comment
  CAS-BOT-BC388229  Cerastium glomeratum Ira L. Wiggins 1928-3-25 2872 Napa 1 1/2 mi. N.E. of Calistoga Comment
  UCD73508  Ceratophyllum demersum Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC179384  Cercis occidentalis Ethel Crum 1937-8-8 1956 Napa 7 miles SE of Monticello, Putah Creek Canyon. Comment
  CAS-BOT-BC179401  Cercis occidentalis Camille F. Nowell 2011-6-14 13 Napa Hwy. 128 (Capell Valley Road) going E toward Winters. 191 Comment
  LA45606  Cercis occidentalis Ethel Crum; 1937-8-8 1956 Napa Putah Creek Canyon, 7 mi. SE of Monticello Comment
  RSA107846  Cercis occidentalis L. S. Rose 1955-4-4 55044 Napa Putah Creek, near Monticello, Canyon slopes Comment
  RSA3293  Cercis occidentalis D. D. Keck 1931-4-3 1062 Napa Pope Creek Canyon, 8 miles NW of Monticello Comment
  SBBG29899  Cercis occidentalis E. Crum 1937-4-18 1787 Napa 11 mi N of Monticello on Knoxville Rd Comment
  UCD105663  Cercis occidentalis M. R. Wanzer 1948-4-3 5 Napa Putah Creek Canyon, 13 miles west of Winters. Comment
  JEPS46425  Cercocarpus betuloides W. L. Jepson 1896-2-23 Napa Howell Mt. 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-BC135487  Cercocarpus betuloides var. betuloides Peter H. Raven 1950-6-20 2359 Napa Napa Range between Conn Valley and Howell Mtn. Comment
  CAS-BOT-BC135488  Cercocarpus betuloides var. betuloides Mrs. Elizabeth Wright 1922-4-1 s.n. Napa Near Calistoga Comment
  UC12148  Cercocarpus betuloides var. betuloides Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  CAS-BOT-BC284566  Chaenactis glabriuscula var. heterocarpha John Thomas Howell 1941-6-22 16321 Napa Hills sw. of St. Helena Comment
  CAS-BOT-BC284570  Chaenactis glabriuscula var. heterocarpha David D. Keck 1931-4-3 1063 Napa 8 miles NW of Monticello, Pope Creek Canyon Comment
  JEPS106929  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 1981-5-6 1014 Napa Zim Zim Falls 390 Comment
  UC699713  Chaenactis glabriuscula var. heterocarpha W. L. Jepson 1894-5-1 Napa ridges above Napa Valley (Conn Valley) Napa Valley (Conn Valley); above Napa Valley (Conn Valley) Comment
  CAS-BOT-BC284567  Chaenactis glabriuscula var. heterocarpha John Thomas Howell 1941-6-22 16321 Napa Hills SW of St. Helena Comment
  UCD130360  Chaenactis glabriuscula var. heterocarpha Robert E. Preston 1988-4-10 575 Napa 0.4 mile southwest of the confluence of Putah Creek and Hunting Creek, 268 Comment
  CHSC103012  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-12 16437 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  HSC100736  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, ~100 yd. E of Eticuera Creek, ~50 yd. S of Eticuera Parking Area at the NE end of causeway, on S side of Berryessa Knoxville Rd., 20 (air) mi. NW of Winters. 130 Comment
  RSA769183  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-12 16437 A Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road,, about 19 air miles west of Winters. 133 Comment
  UCD167089  Chamaesyce serpillifolia subsp. serpillifolia Jake Ruygt 2010-8-24 5754 Napa Barton Hill, northwest shore of Lake Berryessa. 131 Comment
  SBBG128695  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-27 16486 Napa below high water line of Lake Berryessa, ca. 100 yards E of Eticuera Crk, ca. 50 yards S of Eticuera Parking Area at NE end of causeway on S side of Berryessa Knoxvill Rd, ca. 20 mi (air) NW of Winters 130 Comment
  JEPS103992  Cheilanthes gracillima Jake Ruygt 1988-4-17 2154 Napa Mt. St. Helena below SW peak; upper portion of canyon 1103 Comment
  SBBG128613  Chenopodium album L. Ahart 2009-10-27 16483 Napa below the high water line of Lake Berryessa, ca. 100 yards E of Eticuera Crk, ca. 50 yards S of Eticuera Parking Area at the NE end of the causeway, on the S side of Berryessa Knoxville Rd, ca. 20 mi NW of Winters 130 Comment
  JEPS59711  Chenopodium ambrosioides W. L. Jepson 1894-11-5 Napa St. Helena Comment
  UCD170157  Chenopodium californicum Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 781 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 428 Comment
  JEPS106741  Chenopodium macrospermum var. halophilum Jake Ruygt 1993-10-24 3291 Napa near Fagan Slough. 0 Comment
  JEPS58858  Chimaphila menziesii Willis L. Jepson 1894-7-19 14655 Napa Mt. St. Helena near Toll House; Napa R. Basin, Mt. St. Helena Comment
  CAS-BOT-BC256931  Chorizanthe membranacea Peter H. Raven 1951-6-10 2945 Napa Crater Region e. of Palisades 762 Comment
  UC54973  Chorizanthe membranacea Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs (Napa River Basin, Napa Range); Napa Range, Napa River Basin, Napa Soda Springs Comment
  JEPS116818  Chorizanthe polygonoides var. polygonoides David Gowen 2009-4-24 998 Napa Robert Louis Stevenson State Park, southeast of summit of Hwy 29, in the Table Rock area. Comment
  JEPS120410  Cichorium intybus Jake Ruygt 2010-6-19 5612 Napa 200 yds west of Hunting Creek along Putah Creek. Comment
  JEPS59110  Cirsium arvense W. L. Jepson Napa Upper Conn Valley Comment
  CDA1208  Cirsium douglasii var. douglasii Gene Cornett 1952-1-2 s.n. Napa S.E. corner of Napa Co.( 300 yds N of American Canyon Rd., 2.7 mi. E of Hwy 29, about 0.3 mi W of I-80)(map with sheet #3 of 4) Comment
  JEPS59313  Cirsium occidentale var. venustum W. L. Jepson 1936-7-6 17650 Napa Sage Canyon Napa Range, Sage Canyon 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
  CAS-BOT-BC288696  Cirsium remotifolium John Thomas Howell 1941-6-21 16314 A Napa Hills SW of St Helena Comment
  CAS-BOT-BC288698  Cirsium remotifolium John Thomas Howell 1931-4-19 6437 Napa Spring Mt Rd, 3 miles from St Helena Comment
  JEPS59181  Cirsium remotifolium var. odontolepis W. L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  CAS-BOT-BC169768  Cistanthe quadripetala Herbert L. Mason 1935-5-30 10010 Napa 4 miles N of Knoxville on the Monticello - Lower Lake Road Comment
  CAS-BOT-BC169770  Cistanthe quadripetala Herbert L. Mason 1935-5-30 10010 Napa 4 miles N of Knoxville on the Monticello - Lower lake Road Comment
  OBI54918  Clarkia affinis Kathleen Faustini 1980-5-4 29 Napa Monticello Dam Comment
  UCD167268  Clarkia affinis Jake Ruygt 1998-6-24 4051 Napa Rocky Ridge, east of Apple Tree Canyon. 676 Comment
  RSA292923  Clarkia amoena subsp. huntiana Reino Alava 1957-5-30 981 Napa Along State Highway No. 128 at the Napa - Solano county line Comment
  CAS-BOT-BC172175  Clarkia concinna John H. Thomas 1955-5-21 5148 Napa Along State Highway No. 128, about 4.5 miles south of Monticello 167 Comment
  SFV8309  Clarkia concinna J. W. Katberg, Jr. 1966-5-11 44 Napa North Coast Ranges Cedar Valley Road, about 2 miles southwest of Knoxville. 450 Comment
  UCD160214  Clarkia concinna James A. Neilson Jr. 1974-5-5 2927 Napa Oakville Grade and Dry Creek Road. (Elevation and coordinates estimated by label-maker using topo map.) 175 Comment
  UCD69057  Clarkia concinna P. Rodriguez-Rojo 1997-5-17 s.n. Napa Chiles and Pope Valley Rd. 200 Comment
  UCSC007502  Clarkia concinna L. D. Gottlieb 1988-7-7 15884 Napa Hwy 128 near Soda Creek bridge 198 Comment
  HSC81860  Clarkia concinna Thomas W. Nelson, Jane Nelson 1980-5-3 5156 Napa Junction of Butts Canyon Rd. & Snell Valley Rd. 197 Comment
  UCD104422  Clarkia concinna M. Ensign 1943-5-28 312 Napa 12 miles N of Monticello on road to Lower Lake. Comment
  CAS-BOT-BC164535  Clarkia gracilis subsp. albicaulis Freed W. Hoffman 1947-6-19 1652 Napa Near Knoxville Comment
  CAS-BOT-BC162478  Clarkia gracilis subsp. sonomensis Mrs. K. Brandegee 1910-5-22 120 Napa Mountain slopes from Calistoga, to the Toll House Comment
  UCD104850  Clarkia purpurea Alan P. Godlewski 1974-5-3 13 Napa West of Lake Berryessa. Comment
  JEPS43562  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1904-6-3 2431 Napa St. Helena to Howell Mt. Comment
  UCD49188  Clarkia purpurea subsp. quadrivulnera K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 6 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. Down slope of West Rd. ca. 0.45 as the crow flies miles (2400 ft.) NW of jct with S. Decker Canyon Rd. 228 Comment
  UCD167273  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1992-5-25 3001 Napa West side of south lake, Wild Horse Valley Ranch. 457 Comment
  UCD167276  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1986-5-10 1759 Napa Devil's Canyon. 591 Comment
  UCD32412  Clarkia purpurea subsp. quadrivulnera Beecher Crampton 1950-5-7 566 Napa E side of Napa Valley and SE of St. Helena, roadside of Silverado Trail. 54 Comment
  CAS-BOT-BC164774  Clarkia rhomboidea Peter H. Raven 1951-6-10 2907 Napa E. of Toll House, Mt. St. Helena 792 Comment
  UC1198512  Clarkia unguiculata J. P. Tracy 1899-6-26 357 1/2 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 457 Comment
  UCD105039  Clarkia unguiculata M. Ensign 1943-5-28 305 Napa 10 miles N of Monticello on road to Lower Lake. Comment
  CDA12025  Claytonia exigua G. F. Hrusa 1990-3-19 7501 Napa North Coast Biodiversity Arena; Chiles Valley-Pope Valley Rd. Comment
  JEPS112617  Claytonia exigua subsp. exigua Jake Ruygt 1998-4-22 3932 Napa Tributary to Cement Creek. 228 Comment
  JEPS43313  Claytonia exigua subsp. exigua Willis L. Jepson 1893-4-29 Napa St. Helena Reservoir; Napa River Basin Comment
  CAS-BOT-BC439375  Claytonia gypsophiloides Carl B. Wolf 1928-5-3 1829 Napa Base of Mt. St. Helena Comment
  UC412632  Claytonia gypsophiloides H. P. Chandler 1907-4-28 7552 Napa Santa Rosa to Calistoga Comment
  UCD148798  Claytonia parviflora Ellen Dean; Diana Hickson 2014-4-29 8105 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  JEPS112600  Claytonia parviflora subsp. parviflora Jake Ruygt 1986-3-16 1650 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 451 Comment
  JEPS112613  Claytonia parviflora subsp. parviflora Jake Ruygt 1997-3-18 3805 Napa Greenfield Road 213 Comment
  UCD100700  Claytonia parviflora subsp. parviflora G. L. Webster 1967-3-23 7497 Napa c. 1 mi S of Spanish Flat. 167 Comment
  JEPS77938  Claytonia perfoliata subsp. perfoliata Edward Lee 1936-3-15 1794 Napa 0.75 mi out Rutherford (Rutherford-Pope Valley road) Comment
  CAS-BOT-BC440043  Claytonia perfoliata subsp. perfoliata Elsa G. Ruckert 1960-2-7 10 Napa 6495 Dry Creek Road. Field, 300 yards east of house 365 Comment
  CAS-BOT-BC91450  Clematis lasiantha Peter H. Raven 1952-5-26 4062 Napa Near Walter's Springs. 170 Comment
  UCD20832  Clematis lasiantha C. Kremen; N. Nicola 2001-3-30 48 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, along Hwy. 128, aprox. 0.5 mi. west of Montecello Dam via road. Lat/long is estimate. Comment
  CAS-BOT-BC92683  Clematis ligusticifolia Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville. Comment
  JEPS129134  Clinopodium douglasii Jake Ruygt 1979-5-29 639 Napa 1.9 NW of Browns Valley Road on Redwood Road. Napa 7.5' Quad. Comment
  JEPS112524  Collinsia greenei Jake Ruygt 1998-5-25 4000 Napa Capell Canyon 188 Comment
  POM298618  Collinsia greenei Lincoln Constance, J. F. Davidson, R. H. Shan, W. H. Wagner 1946-5-18 3046 Napa Near Mount St. Helena Inn, southeast slope of Mount St. Helena. Comment
  UC735041  Collinsia greenei Lincoln Constance, John F. Davidson, Ren Hwa Shan, & W. Herbert Wagner 1946-5-18 3046 Napa near Mount St. Helena Inn (se slope of Mount St. Helena); Mount St. Helena 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
  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
  JEPS7321  Collinsia heterophylla Rachel Wilcox 1944-5-9 Napa Conn Valley Comment
  JEPS7349  Collinsia heterophylla E. Ferguson 1920-5-15 350 Napa Pope Valley Comment
  HSC38124  Collinsia heterophylla Thomas W. Nelson, Jane P. Nelson, James Nelson, J. P. Smith 1976-4-12 2351 Napa Along Morgan Valley Rd., 4.5 mi N of Lake Berryessa Comment
  RSA305747  Collinsia heterophylla James R. Shevock 1971-4-8 921 Napa Hwy 29 near Co. line. 549 Comment
  UCD123578  Collinsia heterophylla M. Ensign 1943-5-28 306 Napa 10 miles north of Monticello on road to Lower Lake. Comment
  UCD123664  Collinsia sparsiflora M. Wiesendanger 1928-4-5 860 Napa Monticello-Napa Road. Comment
  POM204283  Collinsia sparsiflora var. arvensis J. T. Howell 1931-4-19 6464 Napa Conn Valley. Comment
  RSA305748  Collinsia sparsiflora var. arvensis James R. Shevock 1972-3-25 1432 Napa Hwy 128; near Chiles Valley. 305 Comment
  RSA296438  Collinsia sparsiflora var. arvensis Helen-Mar Wheeler 1944-3-27 s.n. Napa Conn Ranch, about 1.8 miles north of south end of Conn Valley. Comment
  UC1301186  Collinsia sparsiflora var. collina Helen K. Sharsmith 1963-3-17 5224 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  JEPS6318  Collinsia sparsiflora var. collina Willis L. Jepson 1893-4-23 21232 Napa n of Wooden Valley Grade Tranchos Gorge; Napa Range Comment
  CDA12026  Collinsia sparsiflora var. sparsiflora G. F. Hrusa 1990-3-19 7502 Napa North Coast Biodiversity Arena; Hwy 128 immediately E of Lake Berryessa. Comment
  UCD123679  Collinsia sparsiflora var. sparsiflora G. E. Johnston 1974-4-4 6118 Napa Bell Canyon, quadrangle near Angwin. 426 Comment
  UCD49281  Collinsia sparsiflora var. sparsiflora A. Van Houtte; E. Leger and C. Hohn 2001-4-14 8 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  JEPS7313  Collinsia tinctoria Willis L. Jepson 1893-6-26 21328 Napa Angwin's Meadows; Napa River Basin; Howell Mtn. Comment
  HSC81609  Collomia diversifolia Thomas W. Nelson, Jane P. Nelson 1980-5-3 5145 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  JEPS101657  Collomia diversifolia Dean W. Taylor 1998-6-3 16467 Napa dirt rd 0.4 miles N Twin Peak Mine, Bateman Cr drainage 579 Comment
  RSA304646  Collomia heterophylla D. H. Wilken 1973-5-6 11926 Napa Summit of Howell Mtn. Road, between Anguin and Pope Valley 518 Comment
  RSA92933  Collomia heterophylla P. H. Raven 1951-6-26 3067 Napa Wooden Valley Grade 305 Comment
  UCD127310  Conium maculatum Mannix Mendoza Date unknown 15 Napa Roadside Hwy. 128, around 1/4 mile south of Lake Berryessa. Comment
  UCD126136  Convolvulus arvensis M. R. Wanzer 1948-5-6 15 Napa Putah Canyon, 9 miles west of Winters. Comment
  CDA34651  Conyza sumatrensis L. Ahart 2009-10-12 16419 Napa At the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  UCR45098  Cordylanthus pilosus L. F. LaPre 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
  JEPS55937  Cordylanthus pilosus subsp. pilosus T. I. Chuang and F. M. Chuang 1968-7-24 6484 Napa 10.9 mi n Calistoga Comment
  UC103417  Cordylanthus pilosus subsp. pilosus Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
  UC217601  Cordylanthus pilosus subsp. pilosus Katharine Brandegee Napa near Aetna; Pope Valley Comment
  POM193912  Cordylanthus pilosus subsp. pilosus J. T. Howell 1929-8-4 4361 Napa One mile below Samuel's Springs, Pope Creek Canyon. Napa range. Comment
  JEPS62598  Cordylanthus pringlei T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 B Napa just s Napa and Lake County line (on US Hwy 29) Comment
  UC762583  Cordylanthus pringlei R. F. Hoover 1941-8-24 5574 Napa e side of Mt. St. Helena Comment
  OBI9575  Cordylanthus pringlei Robert F. Hoover 1966-8-23 9922 Napa E side of Mt. St. Helena, about 1/2 mi S of lake co. line Comment
  UC1357611  Cordylanthus pringlei R. F. Hoover 1966-8-23 9922 Napa 0.5 mi s Lake Co. line (e side of Mt. St. Helena); Mt. St. Helena Comment
  JEPS112549  Cordylanthus tenuis subsp. brunneus Jake Ruygt 1986-6-1 1802 Napa Mt. St. Helena; HWY 29 near Lake Co. line 502 Comment
  CAS-BOT-BC209800  Cornus glabrata John Thomas Howell 1929-8-4 4359 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  HSC38389  Cornus glabrata J. P. Smith, J. O. Sawyer 1970-5-17 3791 Napa 12 mi. N of Pope Valley. Comment
Read comments
Jun 12 2012
  JEPS50114  Cornus glabrata W. L. Jepson 1893-9-21 14149 Napa Wooden Valley Comment
  UC142943  Cornus glabrata Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
  CAS-BOT-BC209417  Cornus nuttallii Ira L. Wiggins 1949-4-30 12090 Napa On n.e. flank of Mount St. Helena 914 Comment
  CAS-BOT-BC209418  Cornus nuttallii Rimo Bacigalupi 1926-3-28 1267 Napa In canyon just below Mt. St. Helena Inn (Mollie Patton's). Lower slopes of Mt. St. Helena 670 Comment
  OBI15276  Cornus nuttallii H. E. McMinn 1936-4-4 4382 Napa Howell mt, near Bird reguge Comment
  RSA52657  Cornus nuttallii I. L. Wiggins 1949-4-30 12090 Napa Along draw on NE flank of Mount St. Helena. 915 Comment
  SEINET265717  Cornus nuttallii Royal D. Suttkus 1967-6-26 67- 30 -15 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UC126696  Cornus nuttallii Harley P. Chandler Sep 7 1906-Sep 14 1906 7155 Napa Howell Mt., Alta Loma Ranch 487 Comment
  UC1280735  Cornus nuttallii H. E. McMinn 1936-4-4 4383 Napa Howell Mt. Bird Refuge Comment
  UC21525  Cornus nuttallii Willis L. Jepson 1893-1 Napa Toll-house Mt. St. Helena; Napa R. Basin, Mt. St. Helena Comment
  UCD161226  Cornus nuttallii Jake Ruygt 2003-4-11 4495 Napa Howell Mtn. Rd. near Ink Grade Rd. (Coordinates estimated by label maker at UC Davis). 560 Comment
  CAS-BOT-BC180343  Corylus cornuta subsp. californica Alice Eastwood 1915-6-5 4653 Napa Calistoga Comment
  CAS-BOT-BC180346  Corylus cornuta subsp. californica Peter H. Raven 1952-5-26 4047 Napa Howelll Mt. 426 Comment
  JEPS126115  Corylus cornuta subsp. californica Jake Ruygt 1987-5-16 1992 b Napa Bismark Knob. Sonoma 7.5' Qua. Comment
  UCD121194  Corylus cornuta subsp. californica Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7365 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
  UCSB27481  Corylus cornuta subsp. californica Havlik, Neil 1969-6-29 Napa Along State Highway 29, on the northeast slope of Mount St. Helena, about 2 miles south fo the Napa-Lake County Line Comment
  POM339717  Corylus cornuta var. californica F. R. Fosberg 1967-9-10 48646 Napa Near Haven Place above St. Helena, Napa Valley. Comment
  SEINET3817855  Cotula coronopifolia J. M. Tucker 1959-4-18 3506 Napa In dry bed of small vernal pool near top of a hill, beside (south side of) Silverado Trail, ca. 3 miles east of Calistoga Comment
  JEPS120403  Crocanthemum scoparium var. vulgare Jake Ruygt 2004-5-8 4600 Napa near Lone Pine Thicket, off Devilhead Comment
  UCR141015  Cryptantha clevelandii var. dissita Beecher Crampton 1954-5-20 1929 Napa Inner North Coast Ranges, 8 miles southwest of Monticello, along highway 128 305 Comment
  UC857112  Cryptantha flaccida Joseph Andorfer Ewan 1934-4-30 8842 Napa 5 mi s Monticello (on Steel Canyon road) Comment
  JEPS106738  Cryptantha hispidula Jake Ruygt 1980-6-29 949 Napa across HWY from Circle Oaks 304 Comment
  UC1278112  Cryptantha hispidula Beecher Crampton 1954-5-20 1929 Napa ca 8 mi sw Monticello (along State Hwy 128) Comment
  UC998323  Cryptantha hispidula Milo S. Baker 1938-4-29 8939 Napa e of Pope Valley (along road from Monticello) Comment
  UCD149661  Cryptantha hispidula Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  UCD74364  Cryptantha hispidula Jake Ruygt 1991-5-25 2697 Napa Paradise Valley. 274 Comment
  JEPS106703  Cryptantha microstachys Jake Ruygt 1989-4-22 2275 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 405 Comment
  UCD159914  Cryptantha muricata Alice Warrick 2008-4-5 Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Section E. 243 Comment
  UCD161328  Cryptantha muricata Jake Ruygt 1980-5-13 884 Napa 3 miles south of Oakville Grade on Dry Creek Road. (Coordinates estimated by label maker at UC Davis). 182 Comment
  UCD161579  Cryptantha muricata Jake Ruygt 2007-5-17 5178 Napa Duff Ranch, NW of Potato Hill. 792 Comment
  UCD74371  Cryptantha muricata Jake Ruygt 2004-5-29 4607 Napa Van Ness Canyon near old hunting camp. 579 Comment
  UCD167152  Cryptantha muricata var. jonesii Jake Ruygt 2015-5-11 6096 Napa Fernandes - Snell Peak. 393 Comment
  JEPS104000  Cupressus macnabiana Jake Ruygt 1980-4-22 850 Napa .6 mile south of Berryessa-Knoxville Rd. on Devilshead Rd. 481 Comment
  JEPS21187  Cupressus macnabiana H. L. Mason 1925-1-22 1208 Napa Pope Canyon Comment
  JEPS39757  Cupressus macnabiana W. L. Jepson 1920-5-25 9039 Napa Knoxville Ridge Comment
  UC1086210  Cupressus macnabiana A. R. Kruckeberg 1947-9-3 1574 Napa ridge ca. 0.5 mi nw Whites Point (dirt road between Mountain Mill House (St. Helena Creek) and Oat Hill School (below Table Mountain)) Comment
  UCD110850  Cupressus macnabiana Christopher Mallek 2008-1 AS- 1 Napa Aetna Springs. 668 Comment
  UCD133519  Cupressus macnabiana O. A. Leonard 1962-3-9 s.n. Napa 4 miles northwest of Knoxville on road to Lower Lake, near Napa County-Lake County line. 640 Comment
  UCD133544  Cupressus macnabiana J. Street 1950-6-12 s.n. Napa Northern Napa County. 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
  CAS-BOT-BC85486  Cupressus sargentii Carl Brandt Wolf 1928-2-25 1507 Napa 3 miles north of summit of Mt. St. Helena grade Comment
  CAS-BOT-BC85489  Cupressus sargentii Howard E[a]rnest McMinn 1922-7-1 276 Napa Pope Canyon, between Monticello and Pope Valley P.O. Comment
  RSA129445  Cupressus sargentii A. E. Wieslander 1934-2-25 371 Napa Calistoga - Middletown: 3 miles east of Mt. St. Helena 610 Comment
  UC1076281  Cupressus sargentii H. L. Mason 1926-1-2 2606 Napa Toll House Canyon Mt. St. Helena Comment
  NY16839  Cupressus sargentii C. B. Wolf 1934-10-16 6193 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET10834046  Cupressus sargentii Carl B. Wolf, E. R. Johnson 1934-10-16 Wolf 2149 Napa Above Aetna Springs about 1/2 mile southwest of Quicksilver Mine. Upper sonoran:- Digger Pines. Sun. Rocky serpentine ravine. 455 Comment
  UCD160762  Cuscuta Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8632 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  CAS-BOT-BC224539  Cuscuta californica Peter H. Raven 1952-6-28 4205 Napa Conn Valley 152 Comment
  UCD161535  Cuscuta campestris Jake Ruygt 1991-8-24 2833 Napa Napa River at Bale Lane. 80 Comment
  UCD167137  Cuscuta howelliana Jake Ruygt 2015-5-23 6108 e Napa West of Buck Mountain. 599 Comment
  UCD170456  Cuscuta howelliana Daniel Potter; Ninh Khuu 2016-6-8 885 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  UCD170466  Cuscuta indecora var. indecora Daniel Potter; Ninh Khuu 2016-6-18 895 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 448 Comment
  JEPS116546  Cuscuta occidentalis Jake Ruygt 1990-5-12 2540 Napa Wooden Valley, north of Wooden Valley School. Capell Valley 7.5' Quad. Comment
  UC450144  Cuscuta salina var. major Milo S. Baker Aug 1900 Napa Napa River, near R.R. crossing Napa River Comment
  JEPS116522  Cuscuta subinclusa Jake Ruygt 1982-7-21 1379 Napa Edgerly Island. Cuttings Wharf 7.5' Quad. Comment
  CAS-BOT-BC190215  Cynodon dactylon Peter H. Raven 1951-6-24 3003 Napa Napa. 30 Comment
  RSA611429  Cynoglossum grande Joseph A. Ewan 1934-3-18 8661 Napa Steel Canyon. Comment
  UCD149701  Cynoglossum grande Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD158906  Cynoglossum grande G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  UCD19952  Cynoglossum grande E. A. Dean; Virginia Boucher 2002-2-28 890 Napa Quail Ridge Reserve. Along West Rd. 0.4 airline miles NW of junction of West Rd. and Decker Canyon Rd. 274 Comment
  UC1563948  Cyperus eragrostis Barbara Ertter with Elizabeth Neese 1988-10-2 7956 Napa ca. 15 airmiles n.-n.w. Napa (Lake Hennessey, on Conn Creek, below spillway on n. side of Rte. 128); North Coast Ranges, Conn Creek 91 Comment
  JEPS75995  Cyperus eragrostis W. L. Jepson 1936-6-2 17602 Napa Pratt Valley, St. Helena Comment
  SEINET7581647 Image available Cyperus eragrostis A. D. E. Elmer 4656 Napa Napa. Comment
  SD211488  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa Lake Hennessey circa 15 airmiles North-Northwest of Napa, on Conn Creek in North Coast Ranges; East of boat-launching ramp on Southeast edge 91 Comment
  SEINET1909982  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-1 7964 Napa Napa Co.: Lake Hennessaey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges. East of of boat-launching ramp on SE edge. 91 Comment
  SEINET3909600  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa Lake Hennessey about 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges.; 0 91 Comment
  UC1950192  Cyperus erythrorhizos Barbara Ertter with Elizabeth Neese 1988-10-2 7964 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
  JEPS121341  Cyperus niger Jake Ruygt 1986-7-29 1889 Napa Milliken Drive, Silverado Country Club. Comment
  JEPS77929  Cyperus niger Edward Lee 1935-12-1 1674 Napa rd. from Napa to Wooden Valley (ca. 0.7 mi. beyond (s. of) 1st. stop, Sarco Creek); Howell Mts., Sarco Creek Comment
  CAS-BOT-BC190452  Dactylis glomerata Peter H. Raven 1952-5-29 4096 Napa 1 mile north Napa. 45 Comment
  CAS-BOT-BC189861  Danthonia californica Peter H. Raven 1952-5-26 4038 Napa Saint Helena to Howell Mountain. 304 Comment
  JEPS122994  Danthonia californica Jake Ruygt 1992-5-15 2957 Napa NW of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mount George. Comment
  UCD127396  Daucus carota R. Tofsrud 1948-6-15 s.n. Napa Exact location unknown. Comment
  UCD159931  Daucus pusillus Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UC1607856  Delphinium decorum C. G. Nast 1936-3-27 85 Napa Child's Canyon Comment
  CAS-BOT-BC10199  Delphinium hesperium P. H. Raven 1951-6-10 2931 Napa Crater Region E of Palisades 762 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
  UCSB19157  Delphinium hesperium Rankine, Jane 1965-4-13 Napa Pope Valley road opposite Bar 49 Ranch Comment
  JEPS120432  Delphinium hesperium subsp. hesperium Jake Ruygt 2010-6-21 5633 Napa Bear Valley on jeep road near Van Ness Canyon. Comment
  CAS-BOT-BC10111  Delphinium hesperium subsp. pallescens David Daniels Keck 1933-5-29 2366 Napa Pope Creek bridge south of Walters Springs Comment
  UC160955  Delphinium hesperium subsp. pallescens Joseph P. Tracy 1902-5-21 1588 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 304 Comment
  CAS-BOT-BC10109  Delphinium hesperium subsp. pallescens John Thomas Howell 1939-4-30 14622 Napa Near Walter Springs Comment
  UC906503  Delphinium hesperium subsp. pallescens J. Ewan 1934-4-30 8835 Napa 0.5 mi from jct Steel Canyon Rd and Monticello-Wingers Rd (along Steel Canyon Rd); ; Napa Co. Comment
  UCD16027  Delphinium hesperium subsp. pallescens N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 15 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 4.5-6 dm tall, flowers pinkish to purplish. Comment
  CAS-BOT-BC9819  Delphinium nudicaule Betty H. Johnson 1958-6-8 597 Napa Near St. Helena River, 6.4 mi. SW of Middletown Comment
  JEPS23353  Delphinium nudicaule Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Comment
  RSA787108  Delphinium nudicaule Keith E. Hoffmaster 1946-3-23 1222 -b Napa Napa range, along Napa-Monticello road. Comment
  CAS-BOT-BC9809  Delphinium nudicaule Ella D. Cantelow 1939-4-8 2522 Napa Lower Lake Road, 6 mi. N of Jct. with Pope Creek Road Comment
  CAS-BOT-BC9810  Delphinium nudicaule Belle R. Jackson 1930-6-8 s.n. Napa On Old Toll Road below Patten's Mt. St. Helena region Comment
  CAS-BOT-BC9815  Delphinium nudicaule John Thomas Howell; Mrs. Lewis 1961-3-30 36476 Napa Near Conn Reservoir Comment
  UCD95892  Delphinium nudicaule H. MacKenzie 1949-4-26 s.n. Napa 5 miles west of St. Helena. Comment
  RSA10682  Delphinium patens Carl B. Wolf 1928-5-3 1805 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC1126049  Delphinium patens A. Lewis 1932-5-13 73 Napa Calabasas Creek Napa Quadrangle 365 Comment
  UC160911  Delphinium patens Joseph P. Tracy 1902-5-16 1509 Napa on hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UCD96553  Delphinium patens M. R. Wanzer 1948-4-3 7 Napa West side of small hill, Putah Canyon, 13 miles west of Winters. Comment
  CAS-BOT-BC116487  Delphinium patens subsp. patens P. Raven 1950-4-15 1749 Napa Wooden Valley Grade, above Napa 457 Comment
  CAS-BOT-BC116491  Delphinium patens subsp. patens Alice Eastwood 1915-6-6 4688 Napa Mt. St. Helena Comment
  JEPS110984  Delphinium patens subsp. patens Jake Ruygt 1981-4-18 979 Napa Harris Canyon 304 Comment
  CAS-BOT-BC116486  Delphinium patens subsp. patens H. L. Mason 1928-4-13 4330 Napa ...between Santa Rosa and Calistoga Comment
  CAS-BOT-BC116488  Delphinium patens subsp. patens J. T. Howell 1931-4-2 6105 Napa 4 miles from Monticello on road to Napa Comment
  JEPS110980  Delphinium uliginosum Jake Ruygt 1988-5-29 2192 Napa Cedar Valley 585 Comment
  JEPS60632  Delphinium uliginosum W. L. Jepson 1938-6-8 18900 Napa Snell Valley and Butts Canyon Comment
  UC1328141  Delphinium uliginosum Donald V. Hemphill 1941-5-15 167 Napa 2 mi se Angwin (seepage slopes); Blakes Canyon 426 Comment
  UCD54385  Delphinium uliginosum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. 390 Comment
  UCR261671  Delphinium uliginosum Ann Howald 2003-5-23 2338 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 190 Comment
  SEINET12093076  Delphinium uliginosum F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -326 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  RSA128562  Delphinium variegatum Peter H. Raven 1953-5-2 5381 Napa Hills due E of Yountville. 244 Comment
  JEPS23363  Delphinium variegatum subsp. apiculatum W. L. Jepson 1893-4-26 Napa hills near Yountville; Napa Valley Comment
  JEPS110974  Delphinium variegatum subsp. variegatum Jake Ruygt 1992-5-20 2987 Napa south of Leoma Lakes, Wild Horse Valley Ranch 411 Comment
  CDA24247  Delphinium variegatum subsp. variegatum T. C. Fuller 1958-5-1 3722 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  UC9989  Dendromecon rigida Willis L. Jepson 1893-4-25 Napa w St. Helena; Napa River Basin, Caux's Cabin Comment
  UCD35337  Dendromecon rigida Beecher Crampton 1955-5-10 2770 Napa 6 miles south of Middletown. Comment
  CAS-BOT-BC654  Dendromecon rigida subsp. rigida Mary Katherine (Mrs.) Brandegee 1910-5-1 94 Napa Mt. St. Helena, on slopes back of the Toll House. Comment
  UCD164842  Deschampsia danthonioides Jake Ruygt 2012-5-19 5849 -b Napa Near Stone Corral Creek, Spanish Valley. 219 Comment
  CAS-BOT-BC43417  Descurainia sophia Peter H. Raven 1953-5-2 5361 Napa Along railroad tracks, Yountville. 76 Comment
  UC3238  Dichelostemma capitatum Willis L. Jepson 1893-5-2 Napa New Pope Valley grade Napa River Basin Comment
  UCD48778  Dichelostemma capitatum Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 27 Napa Quail Ridge Reserve, along Decker Ridge Rd., N of jct with South Decker Canyon Road. 335 Comment
  UC3246  Dichelostemma capitatum Willis L. Jepson 1893-1 Napa e of St. Helena; Napa River Basin Comment
  UCD117811  Dichelostemma capitatum subsp. capitatum Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. Along dirt road 0.1 miles northeast of fire station. North side of the road. 518 Comment
  UCD148244  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2013-4-6 2905 Napa Calistoga, on N side of old landing strip, at east end. 104 Comment
  UCD148736  Dichelostemma capitatum subsp. capitatum Jake Ruygt 1977-3-14 154 Napa Napa County; 2.2 miles north of Silverado Trail on Soda Canyon Road. 115 Comment
  UCD18070  Dichelostemma capitatum subsp. capitatum Ellen Dean; with Plant Biology 102 class 2000-4-22 625 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
  UC765931  Dichelostemma congestum R. F. Hoover 1941-4-26 4924 Napa Pope Valley 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
  CAS-BOT-BC150365  Diplacus aurantiacus Gilbert Muth 1967-5-17 668 Napa Oat Hill Road, Calistoga 243 Comment
  SEINET13769181 Image available Diplacus aurantiacus J. W. Riekels 1961-1 40 Napa State highway 128, 2 miles southwest of Monticello Dam Comment
  CAS-BOT-BC153413  Diplacus layneae R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6681 Napa Butt's Canyon 10 mi. from Howell Mt. Comment
  CDA6690  Dipsacus fullonum Margaret Bellue 1933-5-2 Napa 0 Comment
  UC3565  Disporum hookeri Willis L. Jepson 1894-5-1 Napa Napa River Basin, Rebecca Ranch Grade Napa River Basin; , Rebecca Ranch Grade Comment
  HSC100797  Dittrichia graveolens Lowell Ahart 2009-10-27 16503 Napa Along road at the intersection of Pope Canyon Rd. and Berryessa Knoxville Rd., near Lake Berryessa, 20 (air) mi. W of Winters. 152 Comment
  UC1039589  Dodecatheon hendersonii Herbert L. Mason 1925-1-23 1206 Napa Wooden Valley grade Comment
  UCD15062  Dodecatheon hendersonii Jonathan M. Irvine 1977-4-16 106 Napa California, Napa Co.; along Highway 128, 6.4 miles south-southwest of Monticello Dam; Comment
  UCD151055  Dodecatheon hendersonii D. C. Finfrock 1950-4-2 16 Napa 2 miles from St. Helena on Pope Valley Road. Comment
  RSA733815  Dodecatheon hendersonii Keith E. Hoffmaster 1946-3-9 1220 Napa Napa range, near summit of Napa-Monticello road. Comment
  JEPS14419  Downingia concolor var. concolor W. L. Jepson 1893-4-27 21195 Napa sw of Napa City Comment
  CAS-BOT-BC41388  Draba verna Rimo Bacigalupi 1924-2-22 s.n. Napa Toll House. Mount Saint Helena. Comment
  JEPS49899  Dudleya cymosa W. L. Jepson 1896-6-2 13420 Napa near St. Helena; Napa Valley Comment
  UCD101898  Dudleya cymosa M. Wiesendanger 1927-5-4 678 Napa Near Monticello. Comment
  UCD20915  Dudleya cymosa V. (Shorty) Boucher 2002-3-27 6 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. 243 Comment
  CAS-BOT-BC428155  Dudleya cymosa subsp. cymosa John Thomas Howell 1929-5-30 4281 Napa Sage Canon [Canyon], Napa Range Comment
  UCD101897  Dudleya cymosa subsp. pumila Bill Wengeler 1995-4-30 s.n. Napa 0.2 mile N of Hwy 128 along Knoxville Road. 183 Comment
  CAS-BOT-BC197071  Echinochloa crus-galli Virginia E. Long 1931-8-22 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helena) 111 Comment
  SEINET186064 Image available Echinochloa crus-galli V. E. Long 1931-8-22 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helena); near pumping plant 111 Comment
  RSA518795  Echinodorus berteroi Barbara Ertter, E. Neese 1988-10-2 7968 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  CAS-BOT-BC445574  Echinodorus berteroi Peter H. Raven 1951-10-28 3934 Napa At w. end of Conn Lake 152 Comment
  JEPS115684  Eclipta prostrata Lowell Ahart 2009-10-27 16478 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, abou 130 Comment
  JEPS129118  Eleocharis coloradoensis Jake Ruygt 2001-7-8 4328 Napa Lake Hennessey at the boat ramp. Yountville 7.5' Quad. Comment
  JEPS121354  Eleocharis obtusa var. engelmannii Jake Ruygt 1991-8-10 2827 Napa Northwest of Orville Lake, Friesen Lakes Angwin. Comment
  UCD118395  Elymus elymoides subsp. elymoides Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 407 Comment
  UCD61805  Elymus glaucus Beecher Crampton 1957-6-4 4097 Napa Above Capell Creek, north end of Capell Valley. Comment
  CAS-BOT-BC203592  Elymus glaucus subsp. glaucus Doris K. Kildale 1928-5-8 5046 Napa 3 miles west of Vacaville Comment
  SEINET192619  Elymus glaucus subsp. glaucus C. B. Wolf 1928-5-3 1794 Napa 5 mi N of Calistoga Mt St Helen grade Comment
  HSC10971  Elymus multisetus J. V. Lenz 1947-5-14 Napa SW of Monticello Comment
  UCD62718  Elymus trachycaulus Beecher Crampton 1954-10-26 2301 Napa Conn Reservoir, 4 miles east of Rutherford. Comment
  CAS-BOT-BC204246  Elymus trachycaulus subsp. subsecundus Peter H. Raven 1951-10-28 3927 Napa Conn Valley 152 Comment
  UCD167092  Elymus trachycaulus subsp. trachycaulus Jake Ruygt 2015-7-4 6145 Napa Missimer - Snell Valley Preserve. 180 Comment
  HSC43935  Emmenanthe penduliflora Robert M. Specht 1977-4-26 789 Napa N from Adams Creek on N side 470 Comment
  JEPS110700  Epilobium campestre Jake Ruygt 1996-6-23 3753 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 277 Comment
  CAS-BOT-BC166343  Epilobium canum subsp. canum H. M. Hall 1923-10-12 11924 Napa 16 mi. west of Monticello on road to [Lowerlake] Lower Lake Comment
  JEPS44051  Epilobium canum subsp. canum W. L. Jepson 1894-10-14 14429 Napa rocky summits back of Rebecca Ranch (in range sw of Calistoga) Comment
  RSA39634B  Epilobium canum subsp. canum P. A. Munz 1947-10-10 12215 Napa Inner Coast Range, 11 miles east of Rutherford, on road to Winters. Comment
  CAS-BOT-BC171953  Epilobium canum subsp. latifolium Willis L. Jepson 1903-9-7 2355 Napa York Creek Canyon, Napa River Basin Comment
  UCD20762  Epilobium ciliatum M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 112 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
  UC19945  Epilobium densiflorum Michener and Bioletti 1892-8-15 Napa Napa Comment
  UCD106508  Epilobium minutum Wayne Stoner 1978-4-22 6 Napa West end of Capell Valley. 300 Comment
  RSA261479  Epipactis gigantea Stephen L. Clement 1973-5-18 65 Napa At the junction of Snell Valley Road and Butts Canyon Road 274 Comment
  UC1196439  Epipactis gigantea J. P. Tracy 1899-7-2 452 Napa Canyon of Moore's Creek Howell Mountain 335 Comment
  JEPS120438  Epipactis helleborine Jake Ruygt 2002-6-22 4438 Napa Devil's Canyon near Redwood Creek. Comment
  UCD20707  Eragrostis hypnoides Mark Bibbo 2002-7-28 77 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  SBBG128692  Eragrostis hypnoides L. Ahart 2009-10-12 16464 Napa below the high water line of Lake Berryessa, along Capell Crk E of Rest Area, 3/4 mi NE of Hwy 128 on Berryessa Knoxville Rd, 3/4 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi (air) W of Winters 133 Comment
  JEPS7802  Ericameria arborescens Peter H. Raven 1951-8-20 3857 Napa near Lokoya 548 Comment
  JEPS106944  Erigeron biolettii Jake Ruygt 1981-7-8 1059 Napa near upper Bateman Creek 670 Comment
Read comments
Jan 14 2009
  UCD63173  Erigeron biolettii Jake Ruygt 1978-9-9 412 Napa 1.4 miles northeast of College Ave. on Howell Mt. Rd. 573 Comment
  OBI16540  Erigeron greenei Robert F. Hoover 1966-8-23 9923 Napa E side of Mt St. Helena. 1/2 mi from Lake Co line Comment
  CLARK-A1528-2168  Erigeron inornatus John 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
  UCD161327  Erigeron philadelphicus Jake Ruygt 1980-5-4 871 Napa Bear Valley. (Coordinates estimated by label maker at UC Davis). 621 Comment
  RSA195348  Eriodictyon californicum Gilbert Muth 1967-5-17 681 Napa Summit of Oat Hill Road. 671 Comment
  UC917215  Eriodictyon californicum M. R. Wanzer 1948-5-16 16 Napa 12.5 mi w Winters (Putah Canyon); Putah Canyon Comment
  UCD145264  Eriodictyon californicum Daphne K. Christopher; Hannah Stevens, Mark Bibbo 2003-4-13 161 Napa UC Davis, Stebbins Cold Canyon Reserve. Near main trailhead. 160 Comment
  UCD164777  Eriogonum compositum var. compositum Jake Ruygt 2006-6-17 5062 Napa North of Three Peaks. 658 Comment
  CAS-BOT-BC242612  Eriogonum dasyanthemum John Thomas Howell 1933-8-27 11652 Napa Chiles Valley, Napa Range Comment
  JEPS110771  Eriogonum dasyanthemum Jake Ruygt 1969-12-31 2605 Napa north end of Wooden Valley 231 Comment
  JEPS120423  Eriogonum dasyanthemum Jake Ruygt 2010-8-24 5762 Napa Barton Hill, northwest shore of Lake Berryessa. Comment
  SEINET253260  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, Near Chiles School, Napa Mountains. Comment
  CAS-BOT-BC242609  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 92 Napa Upper part of Sage Valley, Napa Mts. Comment
  UC1177103  Eriogonum dasyanthemum Peter H. Raven 1951-10-28 3954 Napa 4 mi s Knoxville 365 Comment
  CAS-BOT-BC266064  Eriogonum luteolum Alice Eastwood; John Thomas Howell 1939-6-11 7425 Napa Hood Mt. Range SW of Oakville Comment
  POM105142  Eriogonum luteolum Marcus E. Jones 1881-7-6 s.n. Napa St. Helena Comment
  POM209232  Eriogonum luteolum S. G. Stokes 1933-8-27 92 Napa Upper part of Sage Valley, Napa Mountains. Comment
  JEPS121540  Eriogonum luteolum var. luteolum Adam C. Schneider with Dick O'Donnell 2013-5-26 196 Napa Along Chiles Valley Road. Comment
  UC912829  Eriogonum luteolum var. luteolum Lewis S. Rose 1939-8-20 39357 Napa 6 mi e Rutherford; Chiles Creek Canyon 213 Comment
  JEPS116864  Eriogonum luteolum var. luteolum David Gowen 2007-9-10 796 Napa Butts Canyon Road at Snell Valley Road. Comment
  JEPS117028  Eriogonum luteolum var. luteolum David Gowen 2008-5-14 912 Napa Just north of intesction of Snell Rd. on Butts Canyon Rd. 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
  JEPS56601  Eriogonum nudum var. auriculatum Willis L. Jepson 1903-9-6 2348 Napa 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
  POM209879  Eriogonum nudum var. auriculatum S. G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mountains Comment
  UCD170463  Eriogonum nudum var. nudum Daniel Potter; Ninh Khuu 2016-6-18 892 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 442 Comment
  JEPS56627  Eriogonum nudum var. nudum W. L. Jepson 1937-9-29 18571 Napa on road to Sanitorium; St. Helena Comment
  RSA766355  Eriogonum nudum var. nudum Joseph A. Ewan 1933-9-17 8001 Napa Near Stevenson Monument, Mt St Helena Comment
  UCD164790  Eriogonum nudum var. nudum Jake Ruygt 2007-7-22 5249 Napa Conn Valley Road near Rossi Road. 115 Comment
  CAS-BOT-BC269713  Eriogonum nudum var. oblongifolium Peter H. Raven 1951-8-21 3869 Napa Ridge s.e. of Mt. Veeder 670 Comment
  SBBG28223  Eriogonum nudum var. oblongifolium S. G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mtns Comment
  UCD164789  Eriogonum nudum var. oblongifolium Jake Ruygt 1981-5-27 1049 Napa American Canyon, .4 mile east of Flosden Road. 152 Comment
  JEPS110856  Eriogonum umbellatum var. bahiiforme Jake Ruygt 1980-6-21 935 Napa Bear Valley 621 Comment
  UC90304  Eriophyllum confertiflorum var. confertiflorum A. W. Robinson Napa Napa Comment
  RSA355183  Eriophyllum lanatum L. F. LaPre 1985-4-25 s.n. Napa Rare Plant Cyn, 2 mi SW of Knoxville, just E of Lake Co. Line. 366 Comment
  POM41575  Eriophyllum lanatum var. achilleoides Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC1301026  Eriophyllum lanatum var. achilleoides Helen K. Sharsmith 1963-3-17 5206 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  CAS-BOT-BC301050  Eriophyllum lanatum var. achilleoides H. E. McMinn No date on label 956 Napa Unspecified Comment
  UC165864  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1904-5-23 2092 Napa near Calistoga (e side of Napa Valley); Northern Coast Ranges, Napa Valley 243 Comment
  UC468950  Eriophyllum lanatum var. achilleoides H. P. Chandler 1907-5-26 7589 Napa White Sulphur Spring St. Helena, White Sulphur Spring Comment
Read comments
2
  UC507185  Eriophyllum lanatum var. achilleoides Lincoln Constance 1931-3-21 138 Napa rock slide on Mount St. Helena Comment
  UCSB6525  Eriophyllum lanatum var. arachnoideum Keator, Glenn 1958-6-16 Napa Near the east end of Lake Hennessy, Napa range Comment
  UCD83857  Erodium brachycarpum Ellen Dean; Stephen Rae 2010-3-15 5815 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property. Near entrance to property. 145 Comment
  UC917216  Erodium cicutarium H. Popenoe 1949-4-17 4 Napa 13 mi w Winters; Putah Canyon Comment
  UCD159949  Erodium cicutarium Alice Warrick 2007-5-11 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q-49. 243 Comment
  UC626482  Eryngium aristulatum var. aristulatum Wilhelm N. Suksdorf 1913-7-24 647 Napa in the neighborhood s.e. Napa Comment
  UC21008  Eryngium articulatum Willis L. Jepson 1894-5-3 Napa near Napa R. St. Helena; Napa R. Basin, St. Helena Comment
  JEPS129130  Eryngium castrense Jake Ruygt 2015-5-23 6108 a Napa West of Buck Mountain. Knoxville 7.5' Quad. Comment
  UCD147457  Eryngium castrense Ellen Dean; Diana Hickson 2014-4-29 8070 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD164833  Eryngium jepsonii Jake Ruygt 2012-6-2 5856 Napa Butts Canyon Road, across road from James Creek Road. Comment
  UC917132  Erysimum capitatum W. M. Grannell 1950-4-27 2 Napa rocky hillside Putah Canyon Comment
  SEINET8274779  Erythranthe microphylla L. Constance 1938-3-27 2040 Napa above Wooden Valley 8 mi. ne. of Napa,e. slope of Howell Mountains, North Coast Ranges. 457 Comment
  UCSC009037  Erythranthe nudata Dylan M. Neubauer 2015-4-26 139 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  CAS-BOT-BC26158  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mount St. Helena. Steep northerly slope just east of the Palisades on old stage road. Comment
  UCD48075  Eschscholzia caespitosa M. Carson; A. Haselby, S. Howard, P. Mayers 2000-4-29 2 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  CAS-BOT-BC402785  Eschscholzia caespitosa Lester Rowntree 1937-3-30 s.n. Napa Steel Canyon near Napa Comment
  UCD34213  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Napa County, Markley Canyon on Hwy 128. Comment
  CAS-BOT-BC403335  Eschscholzia californica L. R. Abrams 1928-5-4 12285 Napa 4 mi. south of Middletown Comment
  JEPS51781  Eschscholzia californica W. L. Jepson 1904-6-3 2442 Napa Howell Mt. 792 Comment
  UC726443  Eschscholzia californica A. A. Heller 1941-5-16 16125 Napa Knoxville; border of a mine dump Comment
  UCD167246  Eschscholzia californica Jake Ruygt 1978-5-17 320 Napa South of Trancas west side of Napa River. 10 Comment
  RSA31673  Eschscholzia californica var. crocea A. A. Heller 1941-5-16 16125 Napa Knoxville, border of mine dump. 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
  UC1285727  Eucalyptus viminalis W. L. Jepson 1936-6-29 17628 Napa near Rutherford (in front of house of Mrs. O. G. Freyermuth); Napa Valley Comment
  JEPS126043  Eucrypta chrysanthemifolia var. chrysanthemifolia Jake Ruygt 1989-4-8 2254 Napa About 1/2 mile south of Monticello Dam on Vaca Mount. Monticello Dam 7.5' Quad. Comment
  JEPS104492  Euphorbia crenulata Jake Ruygt 1994-3-15 3323 Napa Chiles Canyon Road about 1 mile from Chiles Valley 182 Comment
  JEPS106423  Euphorbia crenulata Jake Ruygt 1987-3-14 1928 Napa Conn Dam, old city park 97 Comment
  JEPS129080  Euphorbia crenulata Jake Ruygt 2016-4-5 6177 b Napa Gunn Ranch, E side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  JEPS48860  Euphorbia crenulata Elsa Kraeger 1926-3-28 Napa 0.5 mi from Mt. St. Helena Hotel (near Russ House) Comment
  UCD167048  Euphorbia oblongata Jake Ruygt 1989-12-11 2427 Napa Yountville Ecological Reserve. 22 Comment
  UCD19938  Euphorbia serpillifolia E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 796 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Berryessa. 121 Comment
  CAS-BOT-BC312175  Eurybia radulina Peter H. Raven 1951-8-19 3840 Napa Nr. Lokoya 487 Comment
  JEPS104531  Eurybia radulina Jake Ruygt 1996-7-13 3766 Napa White Cliff Springs, Soda Valley (Soda Spring). 341 Comment
  JEPS122946  Festuca arundinacea Jake Ruygt 1989-4-22 2288 Napa Capell Creek. Quad: Capell Valley. Comment
  CHSC30533  Festuca californica T. B. Devine 1980-4-12 698 Napa On Hwy. 29 ca 4 1/2 mi. SW of Robert Louis Stevensen State Park. Comment
  UC1103700  Festuca californica J. P. Tracy 1902-5-15 1453 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 487 Comment
  UC766904  Festuca californica R. F. Hoover 1941-4-26 4940 Napa e side Mt. St. Helena Comment
  UCR228654  Festuca californica Ellen Dean, Stephen Rae 2008-5-21 4988 Napa Hills to the west of Hwy 29. Private property accessed by Diamond Mountain Road 197 Comment
  CAS-BOT-BC278340  Festuca californica subsp. californica Peter H. Raven 1964-5-9 19069 Napa Along dirt road 2 miles west of Aetna Springs Comment
  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
  JEPS76120  Festuca rubra W. L. Jepson 1938-6-8 18894 Napa Butts Canyon South Fork Butts Creek Comment
  JEPS110713  Forestiera pubescens Jake Ruygt 1986-3-29 1673 Napa Toll Canyon 432 Comment
  RSA51300  Fragaria californica Peter H. Raven 1950-4-5 1742 Napa Wooden Valley Grade above Napa. 457 Comment
  CAS-BOT-BC53521  Frangula californica subsp. tomentella Cornelia S. Masters 1915-6-15 s.n. Napa Mountains of Napa Co. Comment
  CAS-BOT-BC53525  Frangula californica subsp. tomentella H. D. Ripley; R. C. Barneby 1945-1-20 6913 Napa St. Helena Creek 518 Comment
  CAS-BOT-BC223444  Fraxinus dipetala H. E. McMinn 1922-6-8 202 Napa Pope Canon [Canyon] Comment
  UC410443  Fraxinus dipetala Alice Eastwood 1930-4-13 17926 Napa between Monticello and Pope Valley Comment
  POM128281  Fraxinus latifolia H. P. Chandler 1907-4-14 7514 Napa Near Napa River, N of St. Helena. Comment
  CAS-BOT-BC26108  Fremontia napensis Cornelia S. Masters 1915-6-15 s.n. Napa unspecified Comment
  CAS-BOT-BC205892  Fremontodendron californicum C. F. B. 1903-5-8 2972 Napa Knoxville Comment
  POM231106  Fremontodendron californicum Jens Clausen 1935-5-22 1061 Napa 15.9 mi SE of Lower Lake on the Monticello road beyond the Napa Co line. Comment
  UCR242099  Fremontodendron californicum S. Boshoren 1983-5-19 025 Napa 5 mi from Knoxville, northwest on Berryessa-Knoxville Road 640 Comment
  UC618424  Fremontodendron californicum subsp. californicum John Thomas Howell 1939-5-7 14653 Napa nw of Knoxville (near head of Huntington Creek); near head of Huntington Creek Comment
  UCD149634  Fritillaria G. Ledyard Stebbins 1994-4-15 s.n. Napa Hennessey Lake. Comment
  CAS-BOT-BC130077  Fritillaria affinis Mrs. Elizabeth Wright 1922-3-30 s.n. Napa Calistoga Comment
  JEPS55693  Fritillaria affinis W. Roderick 1964-3-17 Napa Butts Canyon, near Lake County Line Butts Canyon Comment
  UC3648  Fritillaria affinis Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  UC545849  Fritillaria affinis E. Crum 1936-3-15 1740 Napa Butts Canyon, Pope Valley-Middletown Road Butts Canyon; , Pope Valley-Middletown Road Comment
  CAS-BOT-BC130073  Fritillaria affinis Ira L. Wiggins 1949-4-30 12087 Napa Along Forest Service road about 1.5 miles above Calistoga-Middletown Highway Comment
  CAS-BOT-BC130076  Fritillaria affinis John Thomas Howell 1926-3-20 1696 Napa Old toll road to Mt. St. Helena Comment
  RSA52736  Fritillaria affinis I. L. Wiggins 1949-4-30 12087 Napa Along Forest Service road about 1.5 miles above Calistoga - Middletown highway Comment
  UC421724  Fritillaria affinis Mrs. L. W. McArthur 1930-4-3 Napa Calistoga, Oathill Road summit Calistoga; , Oathill Road Comment
  CAS-BOT-BC130485  Fritillaria purdyi John Thomas Howell 1931-4-4 6166 Napa Crater Country, Mt. St. Helena region Comment
  RSA195366  Fritillaria recurva Gilbert Muth 1967-4-9 599 Napa Aetna Springs Road 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
  UCD118515  Galium andrewsii subsp. andrewsii Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCSC009033  Galium andrewsii subsp. andrewsii Dylan M. Neubauer 2015-4-26 135 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  RSA10657  Galium aparine Carl B. Wolf 1928-5-3 1832 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  CDA6658  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa Hills west of Napa Valley between St. Helena and Mt. St. John Comment
  UCD73512  Galium divaricatum Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCSB24071  Galium mexicanum subsp. asperulum James, C. 1966-4-24 Napa Junction of State Highway 12 & 121 and Foster Road, west of Napa Comment
  JEPS110599  Galium porrigens var. porrigens Jake Ruygt 1986-3-14 1645 Napa about 1 mile N of HWY 12 and 1/2 mile east of Sonoma Co. line 103 Comment
  JEPS52755  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1963-5-26 3780 B Napa n St. Helena (junction of road to Angwin and road to Sanitarium) Comment
  CAS-BOT-BC304340  Gamochaeta John Thomas Howell 1926-3-28 1775 Napa SE base of Mt St Helena in Napa Valley Comment
  UC1328139  Garrya congdonii Donald V. Hemphill 1940-3-23 63 Napa Snell Valley Snall Valley; Snell Valley 518 Comment
  CAS-BOT-BC144381  Garrya fremontii Willis L. Jepson 1896-2-23 s.n. Napa Near Toland House, Howell Mt. Comment
  UC1280974  Garrya fremontii H. E. McMinn 1936-4-4 4380 Napa 3 mi s Angwin; Howell Mt. Comment
  UCD82603  Gastridium phleoides Ellen Dean; T. Starbuck 2009-5-4 5541 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCD66712  Gastridium phleoides K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  CAS-BOT-BC208041  Genista monspessulana M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UCD83409  Geranium carolinianum Jake Ruygt 2009-4-25 5400 Napa Conn Valley Rd., ca. 1/3 mi E of Howell Mountain Rd. 115 Comment
  JEPS86271  Geranium dissectum H. P. Chandler 1907-5-14 7577 Napa St. Helena, White Sulphur Spring White Sulphur Spring; St. Helena, White Sulphur Spring Comment
  UCD103357  Geranium dissectum David Lawfer 1952-5-4 157 Napa Napa. Comment
  JEPS126066  Geranium molle Jake Ruygt 2005-3-28 4737 Napa Near Knoxville Wildlife Area. Knoxville 7.5' Quad. Comment
  CHSC102193  Geranium purpureum Barbara Ertter; Jake Ruygt 1996-4-25 14601 Napa Kroeber Ranch on northeast flank of Mt. St. John, west 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
  UCD149655  Gilia capitata Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  UCD117969  Gilia tricolor G. L. Webster 1967-3-23 7493 Napa 1 mile south of Spanish Flat. 167 Comment
  JEPS85024  Gilia tricolor subsp. tricolor Larry Heckard and Mary Ashton 1969-5-3 2216 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd.); ne of Napa, off Atlas Peak Rd., Mead Ranch 510 Comment
  JEPS106572  Githopsis specularioides Jake Ruygt 1982-4-25 1201 Napa Swartz Canyon below the falls 426 Comment
  CHSC102254  Glinus lotoides Lowell Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  SBBG100115  Glinus lotoides B. Ertter 1988-10-2 7966 Napa Lake Hennessey ca. 15 air mi NNW of Napa, on Conn Crk; E of boat-launching ramp on SE edge 91 Comment
  SD131827  Glinus lotoides Barbara Ertter, Elizabeth Neese 1988-10-2 7966 Napa Lake Hennesse ca. 15 miles northnorthwest of Napa, on Conn Creek in North Coast Ranges. 91 Comment
  UCD32580  Glyceria striata Beecher Crampton 1954-6-8 1934 Napa 5 miles south Middletown, Hwy 29, above St. Helena Creek. Comment
  UC32015  Gnaphalium palustre Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs; Napa River Basin Comment
  CAS-BOT-BC304883  Grindelia hirsutula Marcus E. Jones 1924-4-24 s.n. Napa Napa Comment
  CAS-BOT-BC304887  Grindelia hirsutula J. T. Howell 1932-10-8 s.n. Napa Napa river marshes Comment
  CAS-BOT-BC304888  Grindelia hirsutula Peter H. Raven 1951-9-9 3902 Napa Slaughterhouse Point, Napa River 0 Comment
  CAS-BOT-BC304891  Grindelia hirsutula John Thomas Howell 1932-10-8 10806 Napa Cuttings Wharf on Napa River Comment
  CAS-BOT-BC304909  Grindelia hirsutula Peter H. Raven 1951-8-21 3870 Napa Ridge s.e. of Mt. Veeder 716 Comment
  SEINET3132905  Grindelia hirsutula M. P. Dunford 1959-10-3 557 Napa Summit of Howell Mtn.; 2 mi. S of Pope Valley on road to Angwin Comment
  CAS-BOT-BC304886  Grindelia hirsutula Peter H. Raven 1951-6-26 3040 Napa Napa - Wooden V. Grade 60 Comment
  JEPS122925  Hainardia cylindrica Jake Ruygt 1993-5-11 3259 Napa Milton Road north of the railroad tracks. Quad: Cuttings Wharf. Comment
  OBI21959  Hainardia cylindrica S. Galen SMith, J. Anderson 1957-6-7 2958 Napa Myrtledale Hot Srpings 1.5 mi NW of Calistoga 122 Comment
  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-BC302220  Harmonia nutans J. W. Stacey 1933-5-16 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC302234  Harmonia nutans Bruce G. Baldwin 1987-4-26 652 Napa Las Posadas State Forest (Howell Mountain), immediately north of dirt road leading east from Las Posadas Fire Station, less than 0.1 mile east of station Comment
  CAS-BOT-BC302245  Harmonia nutans David D. Keck 1931-4-4 1088 Napa The Crater Country, 3 miles SE. from summit of Mt. St. Helena, northern Napa County 950 Comment
  JEPS29584  Harmonia nutans Rimo Bacigalupi, and L. Heckard 1962-4-16 8441 Napa 4.5 mi n junction of Atlas Mtn. road and Monticello road (Calif. 37) (along Atlas Peak road on grade leading up to Milliken Canyon Reservoir turn-off) 304 Comment
  JEPS40020  Harmonia nutans W. L. Jepson 1904-6-3 2440 Napa Howell Mt. 792 Comment
  JEPS98943  Harmonia nutans Bruce G. Baldwin 1987-4-26 652 Napa immed. N of dirt road leading E from Las Posadas Fire Station, less than 0.1 mi E of station Las Posadas State Forest (Howell Mountain) Comment
  UC185684  Harmonia nutans Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  UC905677  Harmonia nutans David D. Keck 1931-4-4 1088 Napa 3 mi se summit of Mt. St. Helena (n Napa County); The Crater Country 950 Comment
  JEPS106639  Helenium bigelovii Jake Ruygt 1982-6-13 1319 Napa Guilliume Springs, Cedar Roughs 292 Comment
  JEPS22922  Helenium bigelovii W. L. Jepson 1938-9-24 19023 Napa n of Pope Valley (in canyon of Limekiln (or James) Creek); Limekiln Creek, James Creek 304 Comment
  UC1321309  Helenium bigelovii R. F. Hoover 1966-8-23 9934 Napa near Lake Co. line; Butts Canyon Comment
  CHSC103018  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 Winters. 133 Comment
  JEPS106682  Helenium puberulum Jake Ruygt 1979-10-22 426 Napa .3 miles north of Airport Rd. along Sheehy Creek 4 Comment
  UCD159467  Helenium puberulum D. S. Park 2010-8-13 221 Napa Along Berryessa Knoxville Rd. In dried up creek bed. 219 Comment
  JEPS33580  Helianthella californica subsp. californica W. L. Jepson 1936-5-29 17548 Napa Adam and Eve Ridge Howell Mt. Comment
  JEPS33582  Helianthella californica subsp. californica W. L. Jepson 1938-5-24 18843 Napa plateau n Four Corners; Napa Range, Howell Mtn. 883 Comment
  UC1199264  Helianthella californica subsp. californica Joseph P. Tracy 1933-6-2 12486 Napa on hills at head Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain 396 Comment
  POM55343  Helianthella californica var. californica C. F. Baker 1903-4-20 2628 Napa Mt. St. Helena. Comment
  RSA128975  Helianthus bolanderi Peter H. Raven 1951-10-28 3949 Napa 1-3 miles east of Chiles Valley 305 Comment
  UC570404  Helianthus bolanderi Chas. M. Belshaw 1936-9-20 L 689 Napa 3 mi nw Knoxville; North Inner Coast Range Comment
  UCD63181  Helianthus bolanderi Jake Ruygt 1986-7-5 1861 Napa Devilshead Rd. at road to 'sensitive plant canyon'. 472 Comment
  JEPS4455  Helianthus californicus W. L. Jepson 1893-9-24 13424 Napa Angwin's Meadows Howell Mountain, Angwin's Meadows Comment
  JEPS4456  Helianthus californicus Willis L. Jepson 1893-9-24 13424 Napa Angwin's Meadows Napa River Basin, Howell Mt., Angwins's Meadows Comment
  CHSC102268  Helianthus cusickii Lowell Ahart 2009-10-12 16424 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD170285  Helianthus exilis Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 825 Napa Knoxville Wildlife Area, north of Nevada Creek. 461 Comment
  CDA34656  Heliotropium europaeum L. Ahart 2009-10-12 16433 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  CHSC102262  Helminthotheca echioides Lowell Ahart 2009-10-27 16481 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
  JEPS37515  Helminthotheca echioides W. L. Jepson 1918-6-25 7671 Napa Oakville Napa Valley Comment
  RSA81516  Hemizonia clevelandii James I. McMurphy 1909-8-7 696 Napa Calistoga. Comment
  CAS-BOT-BC306143  Hemizonia congesta subsp. clevelandii H. M. Hall 1923-1-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC306147  Hemizonia congesta subsp. clevelandii H. M. Hall 1923-1-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC306148  Hemizonia congesta subsp. clevelandii Alice Eastwood 1918-9-3 7962 Napa Calistoga Comment
  UC1199374  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1939-10-14 16509 Napa Myrtledale Hot Springs Calistoga, Myrtledale Hot Springs 121 Comment
  UC88998  Hemizonia congesta subsp. clevelandii Edward Lee Greene 1883-8-1 Napa Calistoga Comment
  CAS-BOT-BC306268  Hemizonia congesta subsp. lutescens W. M. Heusi 1930-10-18 106 Napa About 5 miles w. of Cordelia, in waste field along highway to Napa Comment
  CAS-BOT-BC306267  Hemizonia congesta subsp. lutescens Peter H. Raven 1953-10-4 6363 Napa Fields near Dutton's Landing 15 Comment
  CAS-BOT-BC309829  Hemizonia congesta subsp. luzulifolia W. M. Heusi 1930-10-18 104 Napa About 5 miles w. of Cordelia, in waste field along highway to Napa Comment
  CAS-BOT-BC309835  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1930-10-19 5612 Napa 1 mile east of Aetna Springs, Pope Valley Comment
  CDA11970  Hemizonia congesta subsp. luzulifolia G. F. Hrusa, M. Hooper 1995-9-12 12462 Napa North Coast Biodiversity Arena; First main tributary on W side of Lake Hennessey above Conn Dam. Comment
  CAS-BOT-BC309844  Hemizonia congesta subsp. luzulifolia Joseph Andorfer Ewan 1933-9-17 7999 Napa Napa, Napa Valley Comment
  UC523516  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2722 Napa 5 mi s Napa; Vallejo Comment
  UCD161743  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1993-8-14 3286 Napa Lewelling Ranch, west of end Lewelling Lane. 79 Comment
  RSA0009758  Hemizonia fitchii Marcus E. Jones 1901-7-6 s.n. Napa St. Helena. Comment
  RSA81622  Hemizonia fitchii James I. McMurphy 1909-8-7 698 Napa Between Mount St. Helena Pass and Calistoga. Comment
  RSA31985  Hemizonia lutescens A. A. Heller 1941-9-22 16316 Napa Near Napa Junction. Comment
  UCD127521  Heracleum maximum Lloyd Harwood 1972-11-6 s.n. Napa Wild Horse Valley Ranch. Comment
  UC31906  Hesperevax sparsiflora var. sparsiflora Willis L. Jepson 1894-5-1 Napa Conn Valley Comment
  JEPS29503  Hesperevax sparsiflora var. sparsiflora Willis L. Jepson 1893-5-8 Napa below New Eden; Howell Mt. Comment
  UCD63751  Hesperocyparis sargentii 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. 580 Comment
  JEPS112581  Hesperolinon Jake Ruygt 1984-5-19 1558 Napa Cedar Roughs 633 Comment
Read comments
Jan 2 2011
  CAS-BOT-BC167424  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Canyon and Pope Valley on tributary of Pope Creek 274 Comment
  CAS-BOT-BC479715  Hesperolinon bicarpellatum Ann Howald 2003-5-23 2340 Napa Inner North Coast Ranges: Snell Valley Rd., c. 2.3 mi E of intrsection with Butts Canyon Rd. 190 Comment
  JEPS122785  Hesperolinon bicarpellatum Jake Ruygt 1998-7-6 4075 Napa Butts Canyon about 0.3 mile north of Snell Valley Road. QUAD: Aetna Springs. Comment
  JEPS122853  Hesperolinon bicarpellatum Adam C. Schneider with Dick O'Donnell 2013-5-26 232 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. 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
  UC1862410  Hesperolinon bicarpellatum Richard O'Donnell 2005-6-9 Napa 180 m NW of the junction of Cedar Creek and Hunting Creek Paradise Valley 270 Comment
  UCD160633  Hesperolinon bicarpellatum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8725 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 217 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
  UCD167347  Hesperolinon bicarpellatum Jake Ruygt 2009-5-16 5406 Napa Aetna Springs Road about 1/2 mile east of Aetna Springs resort. 301 Comment
  UCD167348  Hesperolinon bicarpellatum Jake Ruygt 2003-6-7 4541 Napa Mt. George/ Foote Botanical Preserve on 'Tupper road'. 298 Comment
  CAS-BOT-BC176011  Hesperolinon californicum Helen K. Sharsmith 1952-7-7 4123 Napa Slope of Conn Creek below Conn Dam, Sage Canyon, 4.5 miles east of Rutherford 152 Comment
  JEPS112649  Hesperolinon californicum Jake Ruygt 1988-5-29 2196 Napa Cedar Valley 603 Comment
  JEPS122800  Hesperolinon californicum Jake Ruygt 2002-5-18 4418 Napa Missimer/Snell Valley Wildflower Preserve. QUAD: Aetna Springs. Comment
  JEPS122905  Hesperolinon californicum Adam C. Schneider 2015-5-19 935 Napa East of Monticello Rd. (CA Hwy 121) Comment
  UCD110495  Hesperolinon californicum Robert E. Preston 1987-6-21 571 Napa ca. 1 1/4 mi se of Devil's Head Peak. 274 Comment
  JEPS122782  Hesperolinon clevelandii Jake Ruygt 1997-5-18 3856 Napa Hogback Mountain. QUAD: Sonoma. Comment
  UC1601236  Hesperolinon clevelandii Helen K. Sharsmith 1957-5-30 4598 Napa w side of mountain 2.4 mi w Angwin; Inner North Coast Ranges, Howell Mountain 304 Comment
  CAS-BOT-BC176051  Hesperolinon clevelandii John Thomas Howell 1939-7-13 5359 Napa On the edge of the Crater Country Comment
  CAS-BOT-BC176237  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
  CAS-BOT-BC176238  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4113 Napa About one mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Monticello road 121 Comment
  CHSC83405  Hesperolinon disjunctum L. P. Janeway; B. Castro 2002-5-12 7539 Napa Inner North Coast Ranges. Near top of ridge on northeast side of Pocock Creek along the dirt road from Devilhead Road. 536 Comment
  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
  OBI22869  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4147 Napa Inner North Coast Ranges. About one mi E of spur rd to Samuels Springs, S facing slope above Pope Crk, Pope Valley-Monticello rd 122 Comment
  UCD160796  Hesperolinon disjunctum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8676 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  CAS-BOT-BC176236  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4119 Napa Above Knoxville Creek, 0.8 mile south of Knoxville, Monticello Lower Lake road 365 Comment
  SD51662  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4148 Napa Directly east of Knoxville. 395 Comment
  JEPS122778  Hesperolinon drymarioides Jake Ruygt 1993-6-5 3275 Napa Devihead Road .35 mile south of farm house. QUAD: Knoxville Comment
  JEPS112653  Hesperolinon micranthum Jake Ruygt 1995-6-17 3504 Napa Butts Canyon Road at Snell Valley Road; to SE. 487 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
  UC1212258  Hesperolinon micranthum Helen K. Sharsmith 1952-5-18 4079 Napa 0.5 mi n junction of Pope Valley-Monticello road w/road to Rutherford (w side of valley); Inner North Coast Ranges, Chiles Valley 243 Comment
  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
  UC1601272  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4642 b Napa 2.1 mi beyond intersection of Conn Reservoir road to Rutherford with Chiles Valley-Pope Valley road Inner North Coast Ranges, Chiles Valley 198 Comment
  UC668039  Hesperolinon micranthum Joseph P. Tracy 1933-6-2 12479 Napa 5 mi e Angwin's (on hills at head of Moores Creek); Howell Mountain, Moores Creek 396 Comment
  JEPS122788  Hesperolinon sharsmithiae Jake Ruygt 2009-6-18 5439 Napa Chiles-Pope Valley Road. QUAD: Chiles Valley. Comment
  JEPS122791  Hesperolinon sharsmithiae Jake Ruygt 2009-6-20 5442 Napa Butts Canyon Road. QUAD: Aetna Springs. 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
  JEPS122775  Hesperolinon spergulinum Jake Ruygt 1982-6-29 1357 Napa 0.4 miles west of Pope Valley Road on Howell Mtn. Road. QUAD: St. Helena Comment
  JEPS122849  Hesperolinon spergulinum Adam C. Schneider with Dick O'Donnell 2013-5-26 209 Napa Along Aetna Mine Road, by junction with Aenta Springs Rd. Comment
  POM86846  Hesperolinon spergulinum Marcus E. Jones 1881-7-6 343 Napa St. Helena. Comment
  RSA435710  Hesperolinon spergulinum Robert Gustafson, Don Reynolds 1983-6-7 2740 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. Comment
  UCD169779  Hesperolinon spergulinum Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 787 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 453 Comment
  RSA26399  Hesperolinon spergulinum J. T. Howell 1941-6-21 16316 Napa Hills SW of St. Helena. Comment
  UC1212390  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-19 4134 Napa ca 1 mi s Napa-Lake County line (State Highway 28, w base Mount St. Helena); Inner North Coast Ranges, Mount St. Helena 548 Comment
  JEPS106575  Heterocodon rariflorum Jake Ruygt 1996-6-23 3757 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 441 Comment
  UCD164836  Heterocodon rariflorum Jake Ruygt 2012-6-2 5858 -c Napa Spanish Valley on south ridge. 345 Comment
  UCD54386  Heterocodon rariflorum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. 390 Comment
  UCD159954  Heteromeles arbutifolia Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Top of east slope, above Q48. 243 Comment
  JEPS20391  Heterotheca grandiflora W. L. Jepson 1934-10-19 16903 Napa flats by Napa River; St. Helena Comment
  UC1562555  Heterotheca oregona var. compacta Barbara Ertter with Elizabeth Neese 1988-10-2 7949 Napa ca 15 airmiles nnw Napa (on Conn Creek, below spillway on n side or Rt. 128); North Coast Range, Lake Hennessey, Conn Creek 91 Comment
  UC336701  Heterotheca oregona var. rudis unknown Napa Calistoga Eel River Comment
  POM158605  Hoita macrostachya C. C. Parry 1881-1 s.n. Napa Calistoga Comment
  UC1618008  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa between Napa and Wooden Valley (n. slopes of George Mt. along Sarco Creek); George Mt., Sarco Creek 152 Comment
  UC16298  Hoita macrostachya W. H. Brewer 1322 Napa Rag Canyon Comment
  JEPS65642  Hoita orbicularis Willis L. Jepson 1893-6-26 13589 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC280702  Holcus lanatus Elsa G. Ruckert 1960-4-29 s.n. Napa 300 yards from 6495 Dry Creek Road 365 Comment
  UCD35477  Holocarpha virgata Beecher Crampton 1957-4-15 3933 Napa between Wragg Canyon and Capell Valley. Comment
  CAS-BOT-BC315789  Holozonia filipes L. S. Rose 1927-5-28 s.n. Napa Napa Valley Comment
  CAS-BOT-BC315790  Holozonia filipes Edward Lee Greene 1881-10-1 s.n. Napa Napa Valley, near Calistoga 90 Comment
  UCD83854  Hordeum brachyantherum Ellen Dean; Kate Mawdsley 2010-4-30 5944 a Napa Valley Gate Vineyard, lands near intersection of Hwy 12 and Kirkland Ranch Rd. 71 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
  UCD36306  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1953-5-19 1308 Napa Chiles Valley. Digger Pine belt. 10 miles west of Monticello, along Hwy. 128. Comment
  UC754605  Hordeum brachyantherum subsp. californicum G. L. Stebbins Jr. and G. Covas 1948-5-9 3933 Napa on road from Rutherford to Monticello, at jct.of road from Pope Valley, near head of Sage Canyon Comment
  UCD36597  Hordeum brachyantherum subsp. californicum Beecher Crampton 1955-5-9 2754 Napa 2 miles N of Calistoga, Myrtledale Hot Springs. Comment
  CAS-BOT-BC284761  Hordeum murinum subsp. glaucum Peter H. Raven 1950-4-15 1704 A Napa Napa Comment
  CAS-BOT-BC536165  Horkelia californica var. elata Peter H. Raven 1950-6-20 2381 Napa Howell Mtn. on NNE side Road to Pope Valley Comment
  UCD32907  Hosackia crassifolia Beecher Crampton 1965-6-17 7423 Napa Solano-Napa Counties, Vaca mountains, ridge of Mt. Vaca. 859 Comment
  UC1537661  Hypericum concinnum Gordon H. True Jr. 1937-6-21 741 Napa near Lokoya Lodge near Lokoya Lodge 365 Comment
  UCR220100  Hypericum concinnum Ayzik Solomeshch 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  UC19037  Hypericum concinnum Willis L. Jepson Jul 1 1892-Aug 1 1892 Napa Knoxville Comment
  UCSB4123  Hypericum concinnum Chisaki, Francia; Kamb, Peter 1950-6-9 Napa Road to Monticello; about 20 miles south of Lower Lake Comment
  JEPS66804  Hypericum formosum var. scouleri W. L. Jepson 1893-6-26 13963 Napa Howell Mt. Comment
  CAS-BOT-BC312893  Hypochaeris glabra John H. Thomas 1955-5-21 5177 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  UCD18095  Hypochaeris glabra Ellen Dean; with PLB 102 class 2000-4-29 751 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD120789  Hypochaeris radicata Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7329 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
  UCD160737  Hypochaeris radicata Ellen Dean 2015-5-23 8789 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 231 Comment
  POM145272  Iris Simonds 1928-05 s.n. Napa Browns Valley. Comment
  RSA135877  Iris fernaldii Lee W. Lenz, E. K. Balls 1952-5-8 17103 Napa 2.6 miles west from Calistoga on road to Santa Rosa, via Petrified Forest 91 Comment
  UC896991  Iris fernaldii Milo S. Baker 1932-4-26 3955 Napa highway s Monticello Comment
  JEPS126070  Iris longipetala Jake Ruygt 1999-4-24 4138 Napa Sugarloaf State Park, N of Bald Mountain McCormick Ranch Area. Kenwood 7.5' Quad. Comment
  JEPS17332  Iris macrosiphon W. L. Jepson 1900-3-10 516 Napa Howell Mt. Comment
  UCD160672  Iris macrosiphon Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8745 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  UCD170210  Iris macrosiphon Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 747 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 408 Comment
  UCD48249  Iris macrosiphon K. Watts; K. Carpenter, S. Cruz, D. Goldberg, and M. Ochoa 2000-4-28 5 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., south of path. 545 Comment
  CDA39597  Iris macrosiphon Yeager 1930-5-15 s.n. Napa [no further data] 0 Comment
  UC914248  Iris macrosiphon Verne Grant and Alva Grant 1947-4-19 7938 Napa e of summit of Mayacama Mts. (on Napa to Monticello road) Comment
  UCD160710  Isoetes howellii Ellen Dean; Jake Ruygt 2015-5-23 8769 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  JEPS369  Isoetes orcuttii J. P. Tracy 1902-5-19 1553 Napa Howell Mt., Moore's Creek 518 Comment
  JEPS121362  Isolepis carinata Jake Ruygt 1986-6-21 1837 Napa Fagans Marsh Comment
  UC32952  Jaumea carnosa Willis L. Jepson 1896-11-4 Napa below Napa City Comment
  UC484303  Juglans californica var. hindsii Carl B. Wolf 1930-11-3 1801 Napa above Wooden Valley; Napa Range, Munson Ranch 304 Comment
  UC666678  Juglans californica var. hindsii H. S. Reed 1938-6-11 163 Napa Oakville 243 Comment
  SD147981  Juglans hindsii Stephanie Perez 1974-4-26 21 Napa Silverado Trail N. ca. 0.5 mile north of intersection with Deer Park Road. 152 Comment
  UCD20737  Juglans hindsii Ellen Dean; w/ Mark Bibbo 2002-6-17 1101 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near main entrance gate to reserve, just upslope from road to field station. E side of the road. 371 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
  JEPS126036  Juncus balticus Jake Ruygt 1978-4-6 1287 Napa Suscol plain between Kaiser and Highway 29 (Rocktram). Cuttings Wharf 7.5' Quad. Comment
  UCD147468  Juncus bufonius var. bufonius Ellen Dean; Diana Hickson 2014-4-29 8081 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD149570  Juncus bufonius var. bufonius 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
  UC127473  Juncus effusus var. pacificus Harley P. Chandler Sep 7 1906-Sep 14 1906 7103 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC14892  Juncus hemiendytus var. hemiendytus J. P. Tracy 1902-5-19 1555 1/2 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Head of Moores Creek 518 Comment
  JEPS67116  Juncus kelloggii Jos. P. Tracy 1902-5-18 1534 a Napa Head of Moores Creek Howell Mt. 518 Comment
  UCD160712  Juncus occidentalis Ellen Dean; Jake Ruygt 2015-5-23 8771 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  UCD95686  Juncus occidentalis Ellen Dean; with Clare Loughran 2011-5-20 7031 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  JEPS122662  Juncus patens Jake Ruygt 1990-5-16 2553 Napa Silverado Trail about 1/2 mile north of Sage Canyon Road. Quad: Rutherford. Comment
  RSA517031  Juncus patens W. L. Jepson 1936-6-1 17577 Napa West side of Four Corners, Howell Mt., Napa Range. Comment
  UCD166709  Juncus phaeocephalus var. paniculatus Jake Ruygt 1992-5-6 2942 Napa south of Leoma Lakes, Wild Horse Valley Ranch. 411 Comment
  JEPS122665  Juncus phaeocephalus var. phaeocephalus Jake Ruygt 1982-5-4 1224 Napa Suscol plain, between Kaiser and Highway 29 (Rocktram). Quad: Napa. Comment
  JEPS122668  Juncus xiphioides Jake Ruygt 1996-6-3 3741 Napa Jamieson Vineyards near South Kelly Road. Quad: Cordelia. Comment
  UCD167053  Juncus xiphioides Jake Ruygt 1991-7-20 2794 Napa 3.2 miles north of Pope Canyon Road on Berryessa- Knoxville Road. 118 Comment
  CAS-BOT-BC237849  Keckiella lemmonii John Thomas Howell 1929-8-4 4356 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  JEPS10863  Keckiella lemmonii Alice King Jul 1919 Napa Mt. St. Helena; Van Ness ranch Comment
  POM161357  Keckiella lemmonii R. C. Bacigalupi 1928-6-20 1873 Napa Howell Mt. 10 miles west of St Helena. Comment
  UC421576  Keckiella lemmonii John Thomas Howell 1929-8-4 4356 Napa 1 mi below Samuels Springs; Napa Range, Pope Creek Canyon Comment
  RSA140851  Kickxia elatine John H. Thomas 1960-8-29 8840 Napa About 1 mile north of Calistoga along highway number 53. Comment
  JEPS76122  Koeleria macrantha W. L. Jepson 1938-6-8 18896 Napa South Fork Butts Creek Butts Canyon; , South Fork Butts Creek Comment
  UCD169865  Koeleria macrantha Daniel Potter; Peter Lash 2015-4-26 800 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 444 Comment
  UCD36305  Koeleria macrantha Beecher Crampton 1953-5-19 1307 Napa 10 miles west of Monticello, along Highway 128. Comment
  UCD36946  Koeleria macrantha Beecher Crampton 1956-5-25 3474 Napa Southeastern Capell Valley. Comment
  UCD37404  Koeleria macrantha Beecher Crampton 1960-5-17 5532 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  JEPS122892  Kopsiopsis strobilacea Adam C. Schneider 2015-3-28 919 Napa Robert Louis Stevenson St. Park. Trail to Mt. Helena. Comment
  CAS-BOT-BC499634  Kopsiopsis strobilacea Dan Axelrod 1929-6-29 s.n. Napa Lokoya Comment
  UC1536759  Lactuca serriola G. H. True 1937-10-12 843 Napa roadside near Lokoya Lodge 304 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
  JEPS129021  Lagophylla minor Jake Ruygt 2016-5-7 6233 Napa Smittle Creek west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  JEPS38991  Lagophylla minor W. L. Jepson 1938-5-22 18826 Napa Snell Valley Comment
  UC1199151  Lagophylla minor Joseph P. Tracy 1933-6-2 12481 Napa on hills at head Moore's Creek (5 mi e of Angwin's); Howell Mountain Comment
  UC828868  Lagophylla minor John Thomas Howell 1939-4-30 14631 Napa Walter Springs Comment
  UCD18061  Lagophylla minor Ellen Dean; with Plant Biology 102 class 2000-4-22 616 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
  UCR146396  Lagophylla minor Beecher Crampton 1965-5-13 7331 Napa Inner North Coast Ranges, 11 miles east of Rutherford, State Hwy 128 244 Comment
  CAS-BOT-BC123305  Lagophylla minor David Daniels Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just S of Walters Spring. Comment
  CAS-BOT-BC341431  Lagophylla minor Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5350 Napa North side of Pope Creek, between Samuels Springs and Walters Springs 243 Comment
  JEPS39001  Lagophylla minor Willis L. Jepson 1894-5-1 Napa mouth of Conn Valley Napa Valley River Basin, Conn Valley Comment
  JEPS129036  Lagophylla ramosissima Jake Ruygt 2016-5-28 6266 Napa Smitty Ranch, east side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UC89207  Lagophylla ramosissima Mrs. K. Curran 1888-8-1 Napa Howell Mountain 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-BC338275  Lasthenia californica Gilbert Muth 1967-4-16 633 Napa Snell Valley 182 Comment
  UC166657  Lasthenia californica subsp. californica J. P. Tracy 1902-5-17 1528 Napa 3-4 mi e of Angwin's Head of Moore's Creek; Howell Mountain 426 Comment
  UCD48593  Lasthenia californica subsp. californica Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 1 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 237 Comment
  UCD15013  Lasthenia californica subsp. californica Kay Wilder 1977-4-24 23 Napa along Pope Canyon Road, 15.6 miles N of Knoxville junction. 384 Comment
  JEPS106672  Lasthenia conjugens Jake Ruygt 1983-5-1 1451 Napa Suscol Hill east of HWY 29 (221) 27 Comment
  JEPS106685  Lasthenia glaberrima Jake Ruygt 1992-4-29 2917 Napa meadow north of the polo fields at Wild Horse Valley Ran 472 Comment
  CAS-BOT-BC355482  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 1869 Napa Napa Valley, near Calistoga 90 Comment
  JEPS35406  Lasthenia glaberrima W. L. Jepson 1923-6-3 9974 Napa s of Calistoga Comment
  POM118233  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 311 Napa Napa Valley, near Calistoga. 90 Comment
  RSA181912  Lasthenia glaberrima W. L. Jepson 1921-5-6 9174 Napa Calistoga. Comment
  RSA0018558  Lathyrus Keith E. Hoffmaster 1946-3-23 1086 Napa Napa range, along Napa-Monticello road Comment
  UC2029987  Lathyrus jepsonii subsp. jepsonii David Amme 2002-10-8 s.n. Napa Napa River: South east of the town of Napa, growing along the east bank of the Napa River on the northerly side of the old Maxwell Bridge (Imola Ave.). Population extends along the upper edges of the river bank from the bridge northward another 70 feet. Comment
  SJSU10857  Lathyrus jepsonii var. jepsonii W. Savage 1983-6-6 1593 B Napa NE facing bank of S Slough, Cullinan Ranch Comment
  RSA195353  Lathyrus nevadensis subsp. nevadensis Gilbert Muth 1967-3-31 595 Napa Old Howell Mountain road. 457 Comment
  UC1279970  Lathyrus tingitanus Peter H. Raven 1957-5-5 10756 Napa Calistoga Comment
  SEINET956311  Lathyrus vestitus Paul C. Hutchison 1963-1 2673 Napa 2 miles above the St. Helena Sanitarium along the road to Pope Valley. Comment
  UC2029553  Lathyrus vestitus var. vestitus Richard R. Halse 2013-3-27 8752 Napa Along State Highway 128, ca. 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa Comment
  UC650499  Lathyrus vestitus var. vestitus Ira L. Wiggins 1928-3-25 2884 Napa 1.5 mi ne Calistoga Comment
  JEPS55379  Lathyrus vestitus var. vestitus W. L. Jepson May 26 1896-May 27 1896 13631 Napa below New Eden; Howell Mt. Comment
  JEPS64868  Lathyrus vestitus var. vestitus W. L. Jepson 1938-5-25 18858 Napa outside Bell Canyon; Howell Mt. 579 Comment
  UC1073276  Lathyrus vestitus var. vestitus George B. Rossbach 1955-2-19 328 Napa se slope Mt. St. Helena (nw Napa County) 1158 Comment
  POM190266  Layia chrysanthemoides D. D. Keck 1931-4-3 1074 Napa 3 miles NE of Aetna Springs, northern Napa County. Comment
  UC924241  Layia chrysanthemoides H. S. Reed 1939-4-16 225 Napa Napa Valley 60 Comment
  CAS-BOT-BC323191  Layia chrysanthemoides David D. Keck 1931-4-2 1045 Napa 4 miles S of Monticello, eastern Napa County. Comment
  HSC5916  Layia chrysanthemoides Greg Bos 1963-3-30 59 Napa 3 mi. S of Middleton on Butte Canyon Rd. Comment
  UC169317  Layia chrysanthemoides Joseph P. Tracy 1902-5-26 1635 Napa near Calistoga; Northern Coast Ranges, Napa Valley 243 Comment
  UCD23376  Layia chrysanthemoides A. Bennett 1977-4-24 22 Napa 0.2 miles south of Knoxville Mine on Berryessa Knoxville Road. East of highway on level open field with many different cruciferous plants. Open meadow. Valley grassland. Comment
  SEINET10840534  Legenere limosa Holland 1983-5-21 HOLLAND 1230 Napa A few hundred feet east of Routes 12 and 29, about 3.9 miles south of Route 121, about 1000 feet north of Suscol Creek 30 Comment
  JEPS120346  Lemna minuta Jake Ruygt 1983-3-28 1395 b Napa 0.3 miles east Highway 29 near Suscol Creek. Cuttings Wharf 7.5' Quad. Comment
  JEPS120414  Leontodon saxatilis subsp. longirostris Jake Ruygt 2010-6-26 5654 Napa Mead Ranch, Atlas Peak Rd.; meadow east of horse corral. 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
  CHSC102265  Lepidium latifolium Lowell Ahart 2009-10-27 16482 Napa Below the high water line of Lake Berryessa, about 150 yards southeast of Eticuera Creek, about 250 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CAS-BOT-BC12512  Lepidium nitidum Alice Eastwood 1922-3-25 11092 Napa Calistoga. Comment
  CAS-BOT-BC12774  Lepidium oxycarpum Peter H. Raven 1953-3-29 5200 Napa Calistoga. 106 Comment
  CAS-BOT-BC12926  Lepidium strictum A. A. Heller; H. E. Brown 1902-4-25 5363 Napa Near Napa. Comment
  UCD118599  Leptosiphon androsaceus M. Wiesendanger 1928-4-6 884 Napa Redwood Highway between Calpella and Willits. Comment
  UCSC009025  Leptosiphon androsaceus Dylan M. Neubauer 2015-4-24 127 Napa (NCoRI) Sage Canyon Rd/Hwy 128, across from S edge Lake Hennessey 101 Comment
  UCD167230  Leptosiphon androsaceus Jake Ruygt 1995-4-24 3439 Napa 1.6 miles south of Lake Hennessey on road to Taylor/ Chapallet. 402 Comment
  UCD91277  Leptosiphon ciliatus Paul A. Aigner 2008-4-4 s.n. Napa McLaughlin Reserve. Blue Ridge, Knoxville Wildlife Area. 594 Comment
  CAS-BOT-BC226693  Leptosiphon jepsonii L. R. Abrams 1928-5-3 12221 Napa St. Helena Grade Comment
  UCD82052  Leptosiphon jepsonii Robin McMaster 1972-4-22 67 Napa Pope Valley. Comment
  JEPS120322  Leptosiphon latisectus Jake Ruygt 2005-4-17 4781 Napa Upper Swartz Creek near Oat Hill Mine Road. Detert Reservoir 7.5' Quad. Comment
  JEPS129074  Leptosiphon latisectus Jake Ruygt 2016-3-27 6172 a Napa Smittle Creek, W of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  RSA0081010  Leptosiphon parviflorus G. F. Hrusa, S. Larson 1995-4-10 12059 Napa Approx. 1 m. below bridge over Pope Creek, on Pope Canyon Rd. 175 Comment
  SJSU8698  Leptosiphon parviflorus E. C. Garbett 1961-4-15 308 Napa Oakville Grade midway between Mt Veeder Rd & Oakville Comment
  UCD160642  Leptosiphon parviflorus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8731 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  UCD48067  Leptosiphon parviflorus K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 13 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., top of hill, north-facing slope. 533 Comment
  UCSC009028  Leptosiphon parviflorus Dylan M. Neubauer 2015-4-24 130 Napa (NCoRI) Dirt road abutting drainage flowing S/N on S side Chiles-Pope Valley Road 301 Comment
  UCSB5192  Leptosiphon pygmaeus subsp. continentalis Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Hill on west side of Capell Valley, 3.2 miles west of junction of the road with California Highway #37 213 Comment
  OBI15785  Lessingia nemaclada Robert F. Hoover 1966-8-23 9930 Napa Butts cy near Lake co line Comment
  UCD134092  Lessingia nemaclada Robert E. Preston 1987-6-13 562 Napa ca. 1 mi sw of Big Basin. 292 Comment
  CAS-BOT-BC342022  Lessingia ramulosa John Thomas Howell 1930-10-19 5613 Napa 1 mile east of Aetna Springs, Pope Valley Comment
  JEPS43232  Lewisia rediviva Pearl Lutzi May 1916 Napa High Rocks on the road to Oat Hill Mine; Calistoga Comment
  UC7815  Lewisia rediviva Brewer 976 Napa Napa and Sonoma Comment
  UCD161607  Ligusticum apiifolium Jake Ruygt 1999-5-23 4171 Napa upper Ritchey Creek trail, Bothe State Park. 350 Comment
  SEINET9312801  Limnanthes Unknown 1967-4-1 48407 Napa Napa Comment
  SEINET7073089  Limnanthes douglasii A. G. Vestal 1963-4-7 s.n. Napa A meadow about 4.3 miles north of Saint Helena at the cross-road from Route 29. Coordinate datum WGS84/NAD83. (38? deg. 33' 10" North Latitude, -122? deg. 31' 6" West Longitude, UTM Zone 10, 541975mE, 4267068mN. Coordinate datum: NAD27). Comment
  HSC15781  Limnanthes douglasii Greg Bos 1963-3-30 58 Napa 3 mi. S of Middletown on Butts Canyon Rd. 305 Comment
  JEPS122739  Limnanthes douglasii subsp. nivea Jake Ruygt 2011-5-7 5779 Napa Mill Valley near Angwin; central portion. Quad: St. Helena. Comment
  SEINET5585702  Limnanthes douglasii subsp. nivea Richard R. Halse 2013-1 8757 Napa Along the Chiles and Pope Valley Road ca. 4.7 miles northwest of its junction with the Lower Chiles Valley Road. 230 Comment
  UCD116512  Limnanthes douglasii subsp. nivea Everett H. Everson 1951-4-8 17 Napa 3.2 miles southwest of Monticello. Comment
  JEPS110959  Linanthus androsaceus Jake Ruygt 1978-5-16 317 Napa 8.1 miles north of Redwood Rd. on Mt. Veeder Rd. 237 Comment
  JEPS58155  Linanthus androsaceus E. V. Ferguson 1920-5-15 352 Napa Howell Mt. Comment
  JEPS110966  Linanthus bicolor Jake Ruygt 1996-4-13 3611 Napa Snell Valley Road at Stagecoach Canyon Road 179 Comment
  POM310952  Linanthus dichotomus subsp. meridianus H. L. Mason 1942-5-24 12540 Napa Eight miles south of Pope Valley Store Comment
  UCD167994  Linanthus dichotomus subsp. meridianus James A. Neilson Jr. 1977-4-13 3869 Napa 1 to 2 miles east Maple Springs along Oat Hill Mine Rd. (Exact location unknown, coordinates estimated by label maker.) Comment
  SEINET205184  Linanthus dichotomus subsp. meridianus Carl A. Huether Jr. 1965-3-4 50 Napa in serpentine between road and creek; ca. .25 mile east of mail boxes on road to M & M Ranch. Middle snell valley. Comment
  UCD118642  Linanthus dichotomus subsp. meridianus Carl A. Huether Jr. 1965-3-4 50 Napa 1/4 mile E of mail boxes on road to M and M Ranch, middle Snell Valley. Comment
  SEINET10697801 Image available Linanthus jepsonii Carol Goodwillie 1995-5-11 Goodwillie 001 Napa Wantrup Wildlife Sanctuary, on primary road 1.3 km. west of Hardin Road, and 60 meters north of vernal pool on north-facing, grassy slope. 256 Comment
  JEPS110970  Linanthus parviflorus Jake Ruygt 1996-4-6 3556 Napa near ridgetop, south of Rector Dam. 146 Comment
  UC908692  Linanthus parviflorus Herbert L. Mason 1926-3-22 2790 Napa along road from Calistoga to Petrified Forest (near Sonoma County line) Comment
  SEINET12186115  Linum californicum F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -336 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  CAS-BOT-BC36064  Lithocarpus densiflorus var. densiflorus Belle Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC430624  Lithophragma affine Carl B. Wolf 1928-5-3 1848 Napa base of Mt. St. Helena Comment
  JEPS47510  Lithophragma affine W. L. Jepson 1910-3-28 4029 Napa Rebecca Ranch grade sw Calistoga; sw of Calistoga Comment
  UC924229  Lithophragma affine H. S. Reed 1939-4-16 226 Napa Napa Hills 198 Comment
  RSA734141  Lithophragma affine Keith E. Hoffmaster 1946-3-23 1238 Napa Napa Range Comment
  CHSC20610  Lithophragma heterophyllum Carol C. Getzinger 1964-3-24 9 Napa Mt. Veeder Road, 2 miles south from junction with Dry Creek Road, near Pickle Can Creek. 548 Comment
  UC11904  Lithophragma heterophyllum Willis L. Jepson 1893-5-1 Napa Knight's Valley road from Calistoga; Napa River Basin Comment
  UCD20028  Lithophragma heterophyllum C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1210 Napa Junction of Glass Mountain Road and Silverado Trail. Comment
  CAS-BOT-BC60179  Lobularia maritima Peter H. Raven 1951-5-6 2831 Napa Saint Helena. 91 Comment
  UC164899  Logfia filaginoides J. P. Tracy 1902-5-16 1504 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 365 Comment
  UCD21542  Logfia filaginoides B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 8 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of) intersection with Knoxville-Berryessa Road. 487 Comment
  JEPS20933  Logfia filaginoides W. L. Jepson 1938-5-20 18806 Napa slope above Helena Sanitarium; Howell Mts. Comment
  UC796477  Logfia filaginoides Ira L. Wiggins 1949-4-30 12076 Napa along old toll road between Calistoga and Middletown (1.5 mi from Calistoga) Comment
  UCD36954  Lolium Beecher Crampton 1956-5-25 3490 Napa Sarco Creek Canyon. 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
  CAS-BOT-BC271066  Lolium temulentum A. A. Heller 1902-4-25 5365 Napa Near Napa Comment
  UCD127614  Lomatium californicum M. Wiesendanger 1927-5-4 703 Napa Monticello, Napa Road. Comment
  POM133390  Lomatium californicum C. F. Baker 1903-4-20 2602 Napa Mt. St. Helena. Comment
  UC659028  Lomatium californicum Mildred E. Mathias 1937-5-23 1299 Napa 13 mi. s.e. Napa Co. Line (on Knoxville Rd.) Comment
  UCD118738  Lomatium caruifolium Katherine Graham; 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 and in nearby meadow. 405 Comment
  HSC21569  Lomatium dasycarpum subsp. dasycarpum Greg Bos 1963-3-24 48 Napa NW end of Lake Berryessa, at Putah Creek 457 Comment
  JEPS17136  Lomatium dasycarpum subsp. dasycarpum W. L. Jepson 1900-3-10 517 Napa New Eden to Crystal Springs (Howell Mt.); Howell Mt. Comment
  UC1010363  Lomatium dasycarpum subsp. tomentosum Milo S. Baker 1932-5-8 5884 Napa Pope Creek ca. seven mi. from Monticello; Pope Creek Comment
  UCD168164  Lomatium dasycarpum subsp. tomentosum John Gibson 2015-4-26 s.n. Napa BLM Knoxville Recreation Area; along 4WD road 1.5 mi from Knoxville-Berryessa Road., ca .25 mi. below Hunting Creek Campground; south side of Hunting Creek, 368 Comment
  LA202888  Lomatium hooveri Mildred E. Mathias; 1937-5-23 1298 Napa 1.9 mi. SE of Napa-Lake County line on road to Knoxville Comment
  UC1563666  Lomatium hooveri Barbara Ertter with Annetta Carter 1989-5-28 8507 Napa near Knoxville (2 mi. s.e. of Lake Co. line on Berryessa Rd., hills s. of rd.); extreme n. Napa Co. 609 Comment
  UCD170296  Lomatium hooveri Daniel Potter; Ninh Khuu, Kai Battenberg 2016-3-15 836 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 452 Comment
  UCD63185  Lomatium macrocarpum Jake Ruygt 2003-3-21 4473 Napa At head of the Foley Creek canyon; at county line. 609 Comment
  POM132573  Lomatium marginatum C. F. Baker 1903-5-8 2971 Napa Knoxville. 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
  JEPS129176  Lomatium marginatum var. purpureum Jake Ruygt 2015-3-7 6032 Napa South of Snell Peak. Aetna Spring 7.5' Quad. Comment
  HSC81596  Lomatium marginatum var. purpureum Thomas W. Nelson, Jane P. Nelson 1980-5-3 5159 Napa Junction of Butts Canyon Rd. & Snell Valley Rd. 197 Comment
  UCD63186  Lomatium marginatum var. purpureum Jake Ruygt 2005-3-28 4726 Napa About 2 miles north of Turtle Rock on Berryessa-Knoxville Rd. 152 Comment
  UC735135  Lomatium repostum Lincoln Constance, J. F. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 3048 Napa s. slope Mt. Saint Helena (near the old inn) Comment
  UC658975  Lomatium utriculatum Mildred E. Mathias 1937-5-23 1283 Napa along Hwy. 29 Mt. St. Helena 533 Comment
  UCD137323  Lonicera hispidula Susan Wagener 1955-5-15 60 Napa lookout spot ca. 1/2 mile southwest of Oakville, on Triniti Road. Comment
  POM46741  Lonicera hispidula var. vacillans W. L. Jepson 1893-9-21 s.n. Napa Napa River Basin, Wooden Valley Grade. Comment
  UC1536786  Lonicera hispidula var. vacillans G. H. True 1937-6-21 733 Napa near Lokoya Lodge 365 Comment
  JEPS106727  Lonicera interrupta Jake Ruygt 1979-6-3 676 Napa Oat Hill Mine Rd. north near Kidd Canyon 563 Comment
  UCD137355  Lonicera interrupta K. Esau 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  HSC43972  Lonicera interrupta Robert M. Specht 1977-5-14 898 Napa N side of Morgan Valley Rd. along drainage on E facing slope. 482 Comment
  JEPS107215  Lotus crassifolius var. crassifolius Jake Ruygt 1998-5-18 3973 Napa north of Mt. Vaca on ridgeline. 804 Comment
  JEPS107212  Lotus humistratus Jake Ruygt 1977-4-17 192 Napa .4 mile west of HWY 29 on Oat Hill Mine Road 195 Comment
  SEINET7072769  Lotus humistratus A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  CDA27274  Lotus micranthus T. C. Fuller 1958-5-1 3721 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  SEINET8721491 Image available Lotus micranthus Laura Zeller 1965-1 23 Napa On Silverado Trail ca. 1 mi. S of Zinfandel Ave. 55 Comment
  UC15636  Lotus micranthus Willis L. Jepson Apr 1893 Napa near St. Helena; Napa River Basin Comment
  SEINET7072526  Lotus parviflorus A. G. Vestal 1963-4-7 s.n. Napa About 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD 27. Comment
  UC1300863  Lotus wrangelianus Helen K. Sharsmith 1963-3-17 5231 Napa Silverado Trail San Francisco Bay Region 76 Comment
  UCD167267  Ludwigia palustris Jake Ruygt 1992-6-2 3015 Napa Leoma Lakes, Wild Horse Valley Ranch. 402 Comment
  UCD65967  Ludwigia peploides subsp. montevidensis B. J. Grewell 2007-10-18 07- 107 -LU Napa Roadside drain along Solano Ave west of Hwy 29 between Vinters Golf Club and Hoffman Lane crossing, Yountville, CA. 23 Comment
  UCD115938  Lunaria annua Elsie Zeile Lovegrove 1954-4-21 s.n. Napa Along road below Lokoya. Comment
  RSA735364  Lupinus Keith E. Hoffmaster 1946-3-23 1093 Napa Napa range, along Napa-Monticello road Comment
  SEINET5327608  Lupinus albicaulis C. M. Fryer 1948-5-1 14 Napa 14 miles north of Monticello. Comment
  CDA950  Lupinus albifrons D. G. Kelch 2002-4-1 2 .009 Napa Mt. Veeder Rd. Comment
  HSC14767  Lupinus albifrons Greg Bos 1963-3-3 22 Napa W shore of Lake Berryesa, S slope of Hill. 183 Comment
  UC157020  Lupinus albifrons Joseph P. Tracy 1902-5-21 1568 Napa on hills at head of Moore's Creek (Howell Mountain, 3-4 mi e of Angwin's); Northern Coast Ranges, , Howell Mt. 365 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
  CAS-BOT-BC201554  Lupinus albifrons var. albifrons L. R. Abrams 1928-5-4 12275 Napa Mt. St. Helena toll house Comment
  POM195576  Lupinus albifrons var. albifrons H. P. Bracelin 1930-3-29 s.n. Napa NW flanks of Mt. George. Comment
  RSA15682  Lupinus albifrons var. albifrons Carl B. Wolf 1928-2-25 1486 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  RSA195390  Lupinus benthamii var. benthamii Gilbert Muth 1967-4-23 647 Napa Spring Mountain Road, St. Helena. 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
  UCD38820  Lupinus bicolor Beecher Crampton 1958-4-29 4758 Napa Capell Valley. Comment
  UCD107256  Lupinus bicolor Freed W. Hoffman 1947-4-9 1360 Napa North Coast Ranges, Bucksnort Creek. Comment
  POM181684  Lupinus densiflorus var. aureus Williams 1927-4-15 s.n. Napa Hills. Comment
  UC127048  Lupinus formosus Willis L. Jepson 1893-9-24 Napa Angwin's Meadows, Howell Mt. Napa River Basin Comment
  RSA79064  Lupinus formosus var. formosus E. K. Balls, Lee W. Lenz 1952-5-8 17105 Napa 2.8 miles west from Calistoga, road to Santa Rosa via Petrified Forest. 91 Comment
  SEINET10490794  Lupinus latifolius subsp. latifolius Marcus E. Jones 1924-4-24 Jones UMO 71601 Napa Comment
  JEPS107218  Lupinus microcarpus var. densiflorus Jake Ruygt 1980-4-22 838 Napa 1.3 miles east of Pope Valley Middle Rd. on Pope Canyon Rd. 187 Comment
  JEPS108046  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jct. Hwy. 29 in Rutherford, 3.6 mi W jct. Lower Chiles Valley Road. Comment
  UCD160781  Lupinus microcarpus var. densiflorus Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8661 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 552 Comment
  UCD47988  Lupinus microcarpus var. densiflorus Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 2 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  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
  UCD47992  Lupinus microcarpus var. microcarpus Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 21 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  CDA37922  Lupinus nanus D. G. Kelch 2010-5-6 10 .167 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD48962  Lupinus nanus L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 15 Napa SW end of Lake Berryessa, Quail Ridge Reserve, above stream that runs along North Decker Canyon Rd., 50-70 ft. N of stream. 167 Comment
  OBI17959  Lupinus nanus Lewis S. Rose 1964-4-2 64014 Napa St. Helena 76 Comment
  POM210035  Lupinus nanus subsp. nanus H. P. Bracelin 1932-4-17 234 Napa Four miles south of Yountville. Comment
  JEPS65427  Lupinus polyphyllus W. L. Jepson 1893-6-26 44 t Napa Howell Mt. Comment
  CAS-BOT-BC202224  Lupinus sericatus Charles Piper Smith 1947-6-19 47525 Napa Highway 29, Mt. St. Helena (Calistoga, 9.8 miles north) 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
  POM66226  Lupinus succulentus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD16043  Lupinus succulentus R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 12 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. West of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown, clay, moist soil, east facing slope. Annual herb, 1.5-2 dm tall, flowers purple. Comment
  SEINET11790127  Luzula comosa C. W. Sharsmith 1935-1 s.n. Napa no further locality Comment
  JEPS126059  Luzula comosa var. comosa Jake Ruygt 2010-6-21 5643 Napa Van Ness Canyon near Bear Valley. Detert Reservoir 7.5' Quad. Comment
  JEPS67202  Luzula macrantha W. L. Jepson 1936-7-2 17641 Napa Angwin Meadow Napa Range, Howell Mountain Comment
  CAS-BOT-BC441336  Luzula subsessilis M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  JEPS112657  Lythrum hyssopifolia Jake Ruygt 1979-6-14 694 Napa Marina Dr., Napa 4 Comment
  UC796470  Madia anomala Ira L. Wiggins 1949-4-30 12072 Napa about 1.5 mi ne Calistoga (along old toll road between Calistoga and Middletown) Comment
  CAS-BOT-BC343830  Madia elegans David D. Keck 1933-11-10 2714 Napa Calistoga Comment
  CAS-BOT-BC344444  Madia exigua Peter H. Raven 1950-7-20 2378 Napa Howell Mtn., on nne side road to Pope Valley Comment
  RSA654108  Madia exigua Beecher Crampton 1956-5-25 3453 Napa Vaca Mountains, Martley Canyon, along new road from Monticello Dam to Napa Comment
  UCD111672  Madia exigua Christopher Mallek 2007-5-13 s.n. Napa Knoxville. 593 Comment
  UCD134257  Madia exigua J. M. Tucker 1971-5-29 4192 Napa on Lower Chiles Valley Road, 1.5 miles northwest of its junction with State Highway 128. Comment
  JEPS129043  Madia gracilis Jake Ruygt 2016-6-5 6272 Napa Amy's Grove, near 5700 Dry Creek Road. Rutherford 7.5' Quad. Comment
  UCD161280  Madia gracilis Jake Ruygt 2000-5-10 4245 -b Napa north Pope Valley, 0.4 miles from Pope Creek. (Coordinates estimated by label maker at UC Davis). 207 Comment
  UCD170686  Madia gracilis 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  CAS-BOT-BC8139  Madia hallii Harvey Monroe Hall 1931-5-27 13094 Napa Near Knoxville, NE Napa County. Comment
  RSA10705  Madia nutans C. B. Wolf 1928-5-3 1782 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  CAS-BOT-BC345049  Madia sativa David D. Keck 1933-11-10 2718 Napa Rutherford, just S. of town Comment
  CAS-BOT-BC345052  Madia sativa David D. Keck 1933-11-10 2717 Napa Calistoga Comment
  JEPS106678  Madia sativa Jake Ruygt 1990-5-11 2536 c Napa Green Island Road at first bend 3 Comment
  POM41576  Madia sativa Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD161758  Madia sativa Jake Ruygt 1997-5-19 3859 Napa Highway 29 near Paoli Loop Road, American Canyon. 19 Comment
  JEPS106899  Malacothrix floccifera Jake Ruygt 1979-5-24 633 Napa 2.1 mile east of Silverado Trail on HWY 128 106 Comment
  RSA124771  Malacothrix floccifera John H. Thomas 1955-5-21 5174 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena. 244 Comment
  UCR43203  Malacothrix floccifera L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  POM216233  Malacothrix floccifera D. D. Keck 1933-5-29 2368 Napa Pope Creek bridge south of Walters Springs. Comment
  UCD69017  Malacothrix floccifera P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. On serpentine rocks. UTM: 10SEN6659 155 Comment
  UCD167284  Malvella leprosa Jake Ruygt 1979-7-12 744 Napa Sheehy Creek west of Highway 29. 10 Comment
  RSA80536  Marah fabacea Roxana S. Ferris 1951-3-26 12419 Napa Oakville-Glen Ellen Road, about 2 miles from Oakville. Comment
  UC504872  Marah fabacea R. M. Holman 1933-4-12 Napa near Mt. Veeder Comment
  UCD161647  Marah fabacea Jake Ruygt 2006-4-10 4971 Napa South Kelly Road about 75 yards from Highway 12. 36 Comment
  RSA10654  Marah oregana C. B. Wolf 1928-5-3 1835 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  HSC103452  Marah watsonii Thomas W. Nelson, Jane Nelson 1981-4-14 6395 Napa Along Devil's Head Rd., .5 mi. from junction with Morgan Valley Rd., at junction with road to Hunting Creek 549 Comment
  UCD125022  Marrubium vulgare M. R. Wanzer 1948-5-6 12 Napa Putah Canyon, 8 miles west of Winters. Comment
  JEPS103981  Marsilea vestita subsp. vestita Jake Ruygt 1986-8-23 1909 Napa Lake Hennessey 92 Comment
  UCD47913  Matricaria discoidea K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, K. Watts 2000-4-28 31 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, middle of Old Knoxville Rd. 426 Comment
  CAS-BOT-BC348059  Matricaria discoidea Peter H. Raven 1953-5-2 5363 Napa Yountville 76 Comment
  POM262794  Medicago arabica J. C. Roos 1939-5-2 292 Napa Angwin Comment
  UCD112047  Melica Christopher Mallek 2008-5-12 AS2- 19 Napa Aetna Springs. 668 Comment
  UCD170674  Melica californica Matthew Conner; Plant Science 102 class 2018-4-28 10 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
  SEINET5322427  Melica californica M. Mooney 1982-4-17 452 Napa Stebbins-Cold Canyon Nature Preserve, south of dam at Lake Berryessa 91 Comment
  CAS-BOT-BC282165  Melica geyeri L. R. Abrams 1928-5-3 12254 Napa Summit St Helena Grade Comment
  UCD121128  Melica geyeri Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7341 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. Near small drainage that is just west of granitic grassland on north side of road. 519 Comment
  UCD164748  Melica harfordii Jake Ruygt 2014-6-9 5985 Napa Livermore Ranch, Bear Valley. 623 Comment
  POM126094  Melica subulata Joseph P. Tracy 1902-5-15 1468 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles east of Angwin's. 396 Comment
  CAS-BOT-BC264210  Melica torreyana M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC264223  Melica torreyana John Thomas Howell 1931-4-2 6079 Napa Summit of Wooden Valley Grade, 8 miles east of Napa Comment
  LA12170  Melica torreyana Alice Eastwood; 1922-5-4 11247 Napa Calistoga Comment
  UC421629  Melica torreyana Alice Eastwood 1922-5-4 11247 Napa Calistoga Comment
  UCD149682  Melica torreyana Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  UCD89194  Melica torreyana J. Street 1950-4-25 s.n. Napa 4 mi. E of Rutherford. Comment
  UCSB425  Melica torreyana Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway #37 304 Comment
  JEPS129115  Melilotus officinalis Jake Ruygt 2009-6-27 5456 Napa Hunting Creek near Morgan Valley. Jericho Valley 7.5' Quad. Comment
  JEPS112571  Mentzelia laevicaulis var. laevicaulis Jake Ruygt 1997-7-5 3870 Napa White Cliff Springs east of Soda Valley Comment
  JEPS42861  Mentzelia laevicaulis var. laevicaulis John Thomas Howell 1927-8-24 3048 Napa sw Walter's Springs (near Pope Valley Creek); Napa Range Comment
  CAS-BOT-BC348542  Micropus californicus var. californicus John H. Thomas 1955-5-21 5166 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  UC468874  Micropus californicus var. californicus H. P. Chandler 1907-5-19 7584 Napa White Sulphur Spring St. Helena Comment
  CAS-BOT-BC348679  Microseris acuminata John Thomas Howell 1931-4-19 6467 Napa Conn Valley Comment
  CAS-BOT-BC348965  Microseris douglasii subsp. douglasii Brandegee No date on label s.n. Napa Suisun Comment
  UC50033  Microseris douglasii subsp. douglasii Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  UCD121175  Microseris douglasii subsp. douglasii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7355 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Recreation Flat area. Valley. 392 Comment
  POM203302  Microseris douglasii subsp. douglasii J. T. 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
  JEPS122679  Microseris laciniata subsp. laciniata Jake Ruygt 1982-6-1 1302 Napa 0.3 miles north of Chimney Rock Golf Course on Silverado Trail. Quad: Yountville. Comment
  RSA31299  Microseris lindleyi Joseph A. Ewan 1934-4-30 8813 Napa Sarco Creek, 4 miles above Napa. Comment
  UC1103335  Mimulus angustatus J. P. Tracy 1902-5-19 1557 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UCD117944  Mimulus angustatus Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. Just northeast of the fire station about 0.1 mile down undeveloped road. Northwest side of road. 518 Comment
  JEPS110749  Mimulus aurantiacus Jake Ruygt 1976-6-10 114 Napa 1.1 mile ME of Westgate Dr. on Atlas Peak Rd. 182 Comment
  RSA602371  Mimulus aurantiacus Louis C. Wheeler 1952-8-30 6879 Napa Manganese Ridge: Moore Creek, Howell Mountain 366 Comment
  UCD122256  Mimulus aurantiacus Bill Wengeler 1995-4-16 s.n. Napa Highway 128, approximately 0.2 miles west of Monticello Dam. 158 Comment
  UCD13200  Mimulus aurantiacus Charles Martin 1986-4-20 1 Napa 3 mi W of Monticello Dam along hwy 128. 304 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
  HSC43919  Mimulus aurantiacus var. aurantiacus Robert M. Specht 1977-4-13 652 Napa South-facing slope 488 Comment
  HSC72431  Mimulus aurantiacus var. aurantiacus J. P. Smith, J. O. Sawyer 1970-5-17 3774 Napa 3 mi. S of Pope Valley Comment
  JEPS10222  Mimulus aurantiacus var. aurantiacus W. L. Jepson 1904-6-3 2449 Napa Howell Mt. Napa Range Comment
  UC796465  Mimulus aurantiacus var. aurantiacus Ira L. Wiggins 1949-4-30 12077 Napa about 1.5 mi from Calistoga (along old toll road between Calistoga and Middletown) Comment
  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
  RSA755362  Mimulus cardinalis L. Ahart 2009-10-12 16451 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  JEPS110606  Mimulus douglasii Jake Ruygt 1982-3-2 1112 Napa north of HWY 12 near Huichica Creek 106 Comment
  OBI9446  Mimulus guttatus R. L. Hoover 1968-4-20 59 Napa NE of jctn of Aetna Springs, Pope Valley, and Butts Cyn Rds Comment
  RSA50066  Mimulus guttatus G. R. Campbell 1948-6-18 656 Napa 5 miles north of Calistoga on road from Middleton. Comment
  SEINET7057278  Mimulus guttatus Christopher T. Ivey 2003-11-29 363 Napa Specimen grown in greenhouse from wild-collected seed. Population occured along sream margin in the Snell Valley Nature Preserve, 2.2 mile east of Pope Valley Road on Snell Valley Road. Comment
  SFV8685  Mimulus guttatus J. W. Riekels 1961-4-29 35 Napa Wragg Canyon. 0.25 miles north of State Highway 128. Near stream bed. 152 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
  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
  RSA293050  Mimulus layneae Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 765 Napa Mt St Helena. Comment
  JEPS10501  Mimulus microphyllus Mary Van E. Ferguson 1919-4-13 Napa Atlas Peak Comment
  JEPS11351  Mimulus microphyllus Willis L. Jepson 1893-5-2 7 m Napa e Calistoga (on the New Pope Valley grade); Napa River Basin, Napa Range Comment
  UCD122701  Mimulus microphyllus M. Sidells 1996-4-27 19 Napa on side of Route 128, at southeast corner of Lake Berryessa, 40 m from Monticello Dam. 200 Comment
  UC103809  Mimulus nasutus C. F. Baker 1903-4-20 2608 Napa Mt. St. Helena; ; Mt. St. Helena, Napa Co. Comment
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Jun 25 2013
  CDA41840  Mimulus nudatus S. E. Schoenig 1998-6-3 98 -19 Napa 200 meters wast of Knoxville-Berryessa Road, 2 miles south of Homestake Mine. Comment
  UCD167090  Mimulus nudatus Jake Ruygt 2015-3-7 6030 Napa South of Snell Peak. 305 Comment
  RSA129900  Mimulus tricolor Peter H. Raven 1951-5-26 2877 Napa Butts Canyon. 305 Comment
  JEPS22478  Minuartia californica Willis L. Jepson 1893-4-26 Napa La Lomita Napa River Basin Comment
  UCSC010460  Minuartia californica Dylan M. Neubauer, Tim Forsell 2016-4-1 609 Napa (NCoRI) just east of Butts Canyon Road, 2.49 air-miles sse Snell Peak 329 Comment
  SFV8436  Minuartia californica H. Matchett 1965-3-13 54 Napa 3 miles east of Middletown. 305 Comment
  CAS-BOT-BC388755  Minuartia douglasii Alice Eastwood 1915-6-6 4677 Napa Mt. St. Helena 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
  JEPS22490  Minuartia douglasii Willis L. Jepson 1893-4-25 Napa tril to Canx's<?> Cabin Napa River Basin Comment
  CHSC74679  Monardella douglasii Jane Valerius 1998-6-22 Napa Ca 4 air mi NE of Vallejo and ca 1.5 mi W of Hwy 80, along banks and at top of unnnamed S-trending tributary to American Canyon Creek. 76 Comment
  JEPS110816  Monardella villosa subsp. villosa Jake Ruygt 1980-6-29 947 Napa Steele Canyon 201 Comment
  CAS-BOT-BC220691  Monardella viridis John Thomas Howell 1930-7-13 5360 Napa On the edge of the Crater Country Comment
  UC1995310  Monardella viridis John Thomas Howell 1933-8-27 11639 Napa Sage Canyon Napa Range Comment
  UC419738  Monardella viridis Mrs. H. P. Bracelin 1930-7-13 28 Napa s slope Mt. St. Helena Comment
  UCD82594  Monardella viridis Ellen Dean; T. Starbuck 2009-5-4 5533 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCD166669  Monardella viridis Jake Ruygt 1996-6-15 3746 Napa White Cliff Springs, above Soda Valley (Soda Spring). 384 Comment
  JEPS101598  Monardella viridis subsp. viridis Dean W. Taylor 1999-7-20 17289 Napa Crystal Lake (large vernal lake west of Highway 128 and Capell Creek) 350 Comment
  SEINET10582243  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 372 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  UCD170447  Monolopia major Daniel Potter; Ninh Khuu 2017-5-14 919 Napa Knoxville Wildlife Area, along Nevada Creek. 330 Comment
  UCD23397  Montia perfoliata Julia Knorr 1977-4-16 5 Napa White and purple flowers. Foothill woodland, N facing slope, full shade. 6.4 miles W from Monticello Dam on Highway 128. Comment
  CAS-BOT-BC515121  Muilla maritima Alice Eastwood 1915-6-5 4630 Napa Calistoga Comment
  UC1279972  Muilla maritima Peter H. Raven 1957-5-5 10743 Napa near hot springs; Calistoga 91 Comment
  CDA19129  Myriophyllum spicatum T. Allen 2001-7-12 PDR 1103267 Napa In Lake Berryessa, close to 4290 Knoxville Rd., Napa. 0 Comment
  CAS-BOT-BC259761  Nassella cernua Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5332 Napa Pope Creek E of Samuels Springs 91 Comment
  CAS-BOT-BC259963  Nassella lepida John H. Thomas 1955-5-21 5105 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC259966  Nassella lepida Milo S. Baker 1945-5-11 10895 Napa Boundary ridge between Napa and Sonoma Counties near Summit of Spring Mountain Road Comment
  JEPS76080  Nassella lepida W. L. Jepson 1938-5-20 18802 Napa open slope above vineyard of John Ballentine (above St. Helena Sanitarium); Howell Mountain Comment
  POM182795  Nassella lepida D. D. Keck 1931-4-2 1017 Napa Wooden Valley Grade, West side of Napa Range, 5 mi NE of Napa 170 Comment
  CAS-BOT-BC260180  Nassella pulchra L. R. Abrams 1928-5-3 12232 Napa St. Helena Grade Comment
  UC1011036  Nassella pulchra Milo S. Baker 1936-4-8 8171 Napa on Monticello Hwy 5 mi from Napa Comment
  UCD148807  Nassella pulchra Ellen Dean; Diana Hickson 2014-4-29 8114 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD87658  Nassella pulchra Robert E. Preston 1988-4-10 581 Napa 0.4 miles southwest of the confluence of Putah and Hunting Creeks, on a southeast-facing slope. Jericho Valley 7.5 feet quad. 268 Comment
  HSC58998  Navarretia cotulifolia Tim Excell 1975-5-21 119 Napa Near Pope Creek, close to the town of Pope Valley 183 Comment
  UC908587  Navarretia cotulifolia Herbert L. Mason 1934-4-30 8111 Napa tributary of Putah Creek Pope Valley, Putah Creek 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
  UCD36945  Navarretia intertexta subsp. intertexta Beecher Crampton 1956-5-25 3470 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD167181  Navarretia intertexta subsp. intertexta Jake Ruygt 1987-6-15 2019 Napa Wild Horse Valley Ranch. 502 Comment
  UC1195665  Navarretia jepsonii A. R. Kruckeberg 1947-6-15 1492 Napa 0.7 mi w Knoxville (on Knoxville-Lower Lake road) Comment
  UCD167185  Navarretia jepsonii Jake Ruygt 1996-5-31 3723 Napa South of James Circle road and Butts Canyon Road, Pope Valley. 204 Comment
  JEPS112557  Navarretia mellita Jake Ruygt 2000-6-10 4266 Napa Berryessa-Knoxville Rd at old homestead near Zim- Zim Creek 304 Comment
  UC23709  Navarretia mellita Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  UCD167193  Navarretia mellita Jake Ruygt 1990-6-9 2591 Napa Arrowhead Mountain. 225 Comment
  UCD48408  Navarretia mellita Robert E. Preston 1987-6-13 560 Napa CA: Napa Co.; N slope of Snell Peak. T10N R5W se1/4 S7 (Aetna Springs 7.5' quad). 365 Comment
  JEPS112553  Navarretia pubescens Jake Ruygt 1981-5-21 1041 Napa Putah Creek north of Snell Valley 231 Comment
  UC130855  Navarretia pubescens Katharine Brandegee 1909-6-1 Napa grade from Calistoga Pope Valley Comment
  UCD37322  Navarretia pubescens Beecher Crampton 1959-5-26 5258 Napa Napa County, Vaca Mountains, Markley Canyon, along State Highway 128. Comment
  JEPS110947  Navarretia squarrosa Jake Ruygt 1986-7-12 1869 Napa Napa River south of confluence of Tulocay Creek 1 Comment
  CAS-BOT-BC232736  Navarretia subuligera John Thomas Howell 1940-5-19 15462 Napa Upper St. Helena Creek Comment
  RSA73124  Navarretia subuligera J. T. Howell 1940-5-19 s.n. Napa Upper St. Helena Creek. Comment
  JEPS70485  Navarretia tagetina W. L. Jepson 1894-10-14 15022 Napa sw of Calistoga (hills back of Rebecca Ranch); Napa River Basin Comment
  UC908083  Navarretia tagetina Herbert L. Mason 1934-4-30 8110 Napa tributary of Putah Creek Pope Valley, Putah Creek Comment
  UCD167203  Navarretia tagetina Jake Ruygt 1982-5-26 1289 Napa 0.3 miles south of Old Bale Mill on east side Highway 29. 86 Comment
  UCD48715  Navarretia viscidula Herbert L. Mason 1935-5-30 8321 Napa Fields just south of the Napa State Hospital, Napa County, California. Comment
  JEPS106578  Nemacladus montanus Jake Ruygt 1989-4-22 2286 Napa NE corner of HWY 128 and Berryessa-Knoxville Rd.,Capell Cyn. 207 Comment
  RSA492511  Nemacladus montanus H. L. Mason 1935-5-30 10000 Napa Four miles north of Knoxville Mines. 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
  SEINET3156475  Nemophila divaricata L. S. Rose 1939-4-16 39087 Napa 10 miles NE of Napa, Wooden Valley Comment
  UC606885  Nemophila heterophylla L. Constance 1938-4-22 2134 Napa above Dry Creek 2 mi w Yountville (Miyakama Mountains, North Coast Ranges); North Coast Ranges, Miyakama Mountains, above Dry Creek 457 Comment
  CDA40365  Nemophila heterophylla T. C. Fuller 1958-5-1 3715 Napa Highway 53, 8 miles north of Calistoga. 0 Comment
  JEPS1514  Nemophila heterophylla John Thomas Howell 1926-3-20 1694 Napa Old toll road to Mt. St. Helena Comment
  JEPS78801  Nemophila heterophylla John W. Willoughby 1977-4-27 2309 Napa s side of State Highway 128 very near Monticello Dam (Vaca Mountains); , very near Monticello Dam 146 Comment
  SBBG6130  Nemophila heterophylla H. and M. Dearing 1939-4-30 3232 Napa Saint Helena Comment
  UC880874  Nemophila heterophylla Lewis S. Rose 1939-4-16 39087 Napa 10 mi ne Napa (Wooden Valley); ne of Napa, Wooden Valley Comment
  SEINET5730453 Image available Nemophila menziesii Stephen L. Clement 1973-1 25- 4 -8 Napa 11.6 miles south of Pope Valley, Napa County.; Pope Valley Comment
  UC146215  Nemophila menziesii Joseph P. Tracy 1903-5-16 1839 Napa near Calistoga (Napa Valley); Northern Coast Ranges, , near Calistoga 91 Comment
  UC24248  Nemophila menziesii Willis L. Jepson 1893-4-26 Napa Yountville , Yountville (Napa River Basin) Comment
  JEPS1878  Nemophila menziesii var. atomaria Willis L. Jepson 1893-4-25 15095 Napa trail to Caux's Cabin Napa River Basin, = Mts. n of St. Helena (Napa River Basin, = Mts. n of St. Helena) Comment
  UCD120239  Nemophila menziesii var. atomaria Charles B. Heiser Jr. 1947-2-18 1880 Napa 14 miles north of Napa. Comment
  RSA201829  Nemophila menziesii var. menziesii Gary W. Elmstrom 1965-3-19 8 Napa Open meadow along Dollarhide Road, 3.5 miles east of Pope Valley. Comment
  RSA195363  Nemophila menziesii var. menziesii Gilbert Muth 1967-3-5 534 Napa Snell Valley. 213 Comment
  JEPS110869  Nemophila pedunculata Jake Ruygt 1993-4-3 3183 Napa Little Bear Valley 673 Comment
  UCD166686  Nemophila pedunculata Jake Ruygt 1991-3-11 2668 Napa intersection of Aetna Extension Rd and Oat Hill Mine Rd. 670 Comment
  JEPS115764  Nicotiana acuminata var. multiflora Lowell Ahart 2009-10-12 16455 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 133 Comment
  JEPS44833  Oemleria cerasiformis Willis L. Jepson 1893-5-5 13829 Napa near Mt. St. Helena (Middleton grade) Comment
  POM38647  Oenothera elata subsp. hookeri Marcus E. Jones 1881-07 s.n. Napa St. Helena. Comment
  JEPS120333  Orobanche fasciculata Jake Ruygt 1982-6-13 1318 Napa Cedar Roughs near Guilliam Springs. Chiles Valley 7.5' Quad. Comment
  UCD167257  Orobanche fasciculata Jake Ruygt 1994-4-26 3358 Napa Ridge in Pope Valley (Juliana Vineyard); north of Barnett Road. 256 Comment
  UCD167258  Orobanche uniflora Jake Ruygt 1998-4-18 3926 b Napa Blue Ridge about 1 mile north of Mays Flat. 701 Comment
  JEPS10848  Orobanche uniflora subsp. occidentalis Mrs. D. O. Clara Hunt''Mrs. D. O. (Clara) Hunt 1909-4-8 Napa Saint Helena. Comment
  JEPS10847 Image available Orobanche uniflora var. uniflora W. L. Jepson 1893-4-28 Napa Tranchos Creek (Milliken Creek of later maps) Napa River Basin, Napa Range (banks of gorge); Tranchos Creek, (Milliken Creek), Napa River Basin 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
  POM15659  Orthocarpus attenuatus C. F. Baker 1903-4-19 1993 Napa Calistoga. Comment
  JEPS15925  Osmorhiza berteroi W. L. Jepson 1893-4-25 14256 Napa hills w St. Helena; Napa Valley Comment
  UCD133504  Packera eurycephala Beecher Crampton 1962-5-16 6427 Napa 0.75 mile E of Aetna Springs. Comment
  HSC38131  Packera eurycephala Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2348 Napa Along Morgan Valley Rd. ca 1.5 mi. E of Lake Co. line Comment
  CAS-BOT-BC316874  Packera eurycephala var. eurycephala Dennis E. Breedlove 1963-5-29 5061 Napa 4.5 miles north of Pope Valley Comment
  UC577240  Packera eurycephala var. eurycephala John Thomas Howell 1935-5-12 12626 Napa 1 mi below Samuels Springs; Pope Creek Comment
  JEPS23639  Packera greenei R. F. Hoover 1941-6-8 5319 Napa e side Mt. St. Helena Comment
  CAS-BOT-BC316944  Packera greenei Mrs. H. C. Cantelow 1934-5-30 550 Napa Mt. St. Helena Comment
  JEPS122963  Panicum acuminatum var. acuminatum Jake Ruygt 1986-5-10 1760 Napa Devil's Canyon, above the falls. Quad: Mt. Sonoma. Comment
  JEPS122967  Panicum acuminatum var. acuminatum Jake Ruygt 1998-6-20 4041 b Napa Near Onion Flat, Palisades trail from RLSSP. Quad: Detert Reservoir. Comment
  UC187240  Panicum acuminatum var. acuminatum Joseph P. Tracy 1905-7-8 2234 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  CAS-BOT-BC253676  Panicum capillare Beryl O. Schreiber 1936-9-20 2355 Napa 5 miles S of Reiff 762 Comment
  UC1245369  Parvisedum pumilum Joseph P. Tracy 1950-5-23 18657 Napa near Angwin Creek (Howell Mountain); Howell Mountain 457 Comment
  JEPS50028  Parvisedum pumilum H. L. Mason 1931-4-12 Napa Napa State Hospital Comment
  UC191203  Parvisedum pumilum C. F. Sonne 1895-4-1 Napa Hill at Soda Springs Soda Springs Comment
  UCD17972  Pectocarya pusilla Ellen Dean; Kate Mawdsley 2001-4-9 691 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
  CHSC22786  Pedicularis densiflora Carol Getzinger 1964-3-24 15 Napa Mt. Veeder Road, 0.3 mi s of jct with Dry Creek Road. 548 Comment
  JEPS10349  Pedicularis densiflora Alice King July, 1919 Napa Van Ness Ranch; Mount St. Helena Comment
  UCD123329  Pedicularis densiflora H. Popenoe 1949-5-1 18 Napa 1 mile from Pacific Union College, beside road to Pope Valley. Comment
  JEPS81589  Pedicularis densiflora R. Raiche 1982-3-7 20212 Napa adjacent of Detert Reservoir (on Butts Canyon Road, ne side of reservoir) Comment
  RSA10645  Pedicularis densiflora Carl B. Wolf 1928-5-3 1845 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  CAS-BOT-BC71382  Pellaea mucronata Paul F. Covel 1940-4-28 1704 Napa Grade near Sanitarium Comment
  UCD124214  Penstemon heterophyllus M. Ensign 1943-5-28 311 Napa 12 miles north of Monticello on road to Lower Lake. Comment
  JEPS7566  Penstemon heterophyllus var. heterophyllus W. L. Jepson 1904-6-3 2446 Napa Howell Mt. , Howell Mt. (Napa Range) 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
  NY627435  Penstemon newberryi var. sonomensis A. A. Heller 1941-5-3 16086 Napa Mt. St. Helena, about halfway up along the road leading to the summit Comment
  RSA10641  Penstemon newberryi var. sonomensis Carl B. Wolf 1928-5-4 1849 Napa Upper slopes of Mount St. Helena. Comment
  RSA420432  Penstemon newberryi var. sonomensis Joseph A. Ewan 1937-5-23 10334 Napa Summit trail of Mount St. Helena Comment
  UCR198039  Perideridia gairdneri subsp. gairdneri Jake Ruygt 1998-8-15 4106 Napa Mead Ranch, Atlas Peak Road 488 Comment
  UCD170281  Perideridia kelloggii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 821 Napa Knoxville Wildlife Area, north of Nevada Creek. 535 Comment
  UCD167138  Perideridia oregana Jake Ruygt 2015-5-23 6109 Napa Missimer - Snell Valley Preserve. 178 Comment
  CAS-BOT-BC413489  Persicaria amphibia Milo S. Baker 1942-8-26 10380 Napa On cross road across Napa Valley S. of Calistoga Comment
  CAS-BOT-BC419150  Persicaria maculosa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  UC131534  Phacelia californica C. F. Baker 1903-4-19 2601 Napa St. Helena Comment
  UC1277977  Phacelia distans B. Crampton 1957-4-15 3934 Napa Capell Valley Comment
  JEPS2146  Phacelia imbricata W. L. Jepson 1936-6-1 17599 Napa near sanitarium (lower slopes of mt.); Napa Range, Howell Mtn. Comment
  UC672717  Phacelia imbricata W. S. Boyle 1942-4-25 1069 Napa 10 mi from Napa (1/4 mi e of Silverado Trail rd to Calistoga) Comment
  UCD120586  Phacelia imbricata Alan P. Godlewski 1974-5-3 20 Napa West of Lake Berryessa, approx. 75 yds from Highway 128. Comment
  JEPS2145  Phacelia imbricata subsp. imbricata Willis L. Jepson 1893-4-24 21048 Napa beyond Park Hill (= e of St. Helena); Napa River Basin, Conn Valley grade Comment
  CAS-BOT-BC154361  Phacelia suaveolens Belle R. Jackson 1930-6-20 s.n. Napa Middle peak, Mt. St. Helena Comment
  RSA518801  Phacelia suaveolens subsp. suaveolens L. R. Heckard 1972-6-26 2995 Napa Mt. St. Helena, SE of lookout; near radar station. 1220 Comment
  JEPS110798  Phacelia tanacetifolia Jake Ruygt 1998-4-18 3926 Napa Blue Ridge about 1.5 mile north of Mays Flat 701 Comment
  UC34033  Phalaris angusta Willis L. Jepson 1893-1 Napa Napa Valley; Napa River Basin, Napa Valley Comment
  JEPS85036  Phlox gracilis Larry Heckard and Mary Ashton 1969-5-3 2199 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  UCD102037  Phoradendron bolleanum O. A. Leonard 1962-3-9 s.n. Napa Near Napa-Lake County line, 4 miles northwest of Knoxville on road to Lower Lake. 640 Comment
  UC1198129  Phoradendron villosum Louise Martin 1907-12-20 Napa at head of Moore's Creek Howell Mt. (3 - 4 mi. e. of Angwin's); Northern Coast Ranges, Howell Mt. 365 Comment
  JEPS122937  Phragmites australis Jake Ruygt 1987-10-17 2112 Napa Fagan's Marsh. Quad: Cuttings Wharf. Comment
  UCD113674  Physocarpus capitatus B. Crampton 1954-5-20 1921 Napa Along Conn creek, Sage Canyon, Hwy. 128, 3 miles east of Rutherford. Comment
  UCD108174  Pickeringia montana Andreas Stohr 1996-4-27 32 Napa Along Road 128. 270 Comment
  CAS-BOT-BC202267  Pickeringia montana var. montana Belle R. Jackson 1939-6-11 s.n. Napa Mead Ranch, Atlas Way, Napa Mts. Comment
  UC17044  Pickeringia montana var. montana W. H. Brewer July 1862 1313 Napa hills near Rockville Comment
  UCD170184  Pickeringia montana var. tomentosa Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 773 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 462 Comment
  UC796589  Pinus attenuata Ira L. Wiggins 1949-4-30 12085 Napa 1.5 mi from summit Mount St. Helena (along forest road) 1066 Comment
Read comments
Oct 2 2012
  JEPS103995 Image available Pinus sabiniana Jake Ruygt 1979-4-23 540 Napa HWY 128, 1.8 miles east of Silverado Trail (Sage Canyon Rd 88 Comment
  SEINET267025  Pinus sabiniana Royal D. Suttkus 1967-6-26 67- 30 -43 Napa Clearly Reserves 7.2 miles NW of Pope Valley. 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
  JEPS120441  Piperia transversa Jake Ruygt 1991-6-29 2751 Napa .7 mile south of White Cottage Rd. on Howell Mtn Rd. Comment
  UC1158107  Plagiobothrys bracteatus Joseph P. Tracy 1950-5-23 18675 Napa head of creek 3 mi e Angwin's; Howell Mountain, La Jota Plateau, Moore's Creek 518 Comment
  POM64759  Plagiobothrys bracteatus A. A. Heller, H. E. Brown 1902-4-25 11839 Napa Near Napa Comment
  SEINET3895550  Plagiobothrys bracteatus Jake Ruygt 1996-5-13 3667 Napa 0.9 miles south of Pope Canyon Road on Hardin Road. SW side of road in vernal pool.; 0 183 Comment
  UC55922  Plagiobothrys bracteatus J. P. Tracy May 15 1903-May 18 1903 1843 Napa near Calistoga (Napa Valley); Napa Valley 91 Comment
  UCD74375  Plagiobothrys bracteatus Jake Ruygt 2002-4-17 4387 Napa Sulphur Springs Rd., west of St. Helena. 76 Comment
  UCD161339  Plagiobothrys canescens Jake Ruygt 1983-4-21 1440 Napa Suscol Ridge west of Highway 221. (Coordinates estimated by label maker at UC Davis). Comment
  JEPS106768  Plagiobothrys greenei Jake Ruygt 1986-4-5 1683 Napa Suscol ridge east of HWY 221 231 Comment
  UCD161234  Plagiobothrys greenei Jake Ruygt 2003-4-22 4508 Napa Near south end of Knoxville Wildlife Area, base of trail to cliffs. (Coordinates estimated by label maker at UC Davis). 292 Comment
  JEPS106765  Plagiobothrys nothofulvus Jake Ruygt 1990-4-1 2456 Napa White Creek, Wild Horse Valley Ranch 371 Comment
  UCD120932  Plagiobothrys nothofulvus M. Wiesendanger 1927-5-4 687 Napa Near Monticello. Comment
  UCD23371  Plagiobothrys nothofulvus Susan J. Schmickle 1977-4-24 19 Napa Fuzzy white flowers. East side of steep road out, gravel, full sun. Foothill woodland merging to chaparral. 2.6 miles southeast of Knoxville Mine on Berryessa Knoxville Rd. 320 Comment
  UCD74376  Plagiobothrys nothofulvus Jake Ruygt 1983-3-26 1393 Napa 0.5 mile south of Sage Canyon Rd. on Silverado Trail. 76 Comment
  UCD147458  Plagiobothrys stipitatus var. micranthus Ellen Dean; Diana Hickson 2014-4-29 8071 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS106762  Plagiobothrys strictus Jake Ruygt 1996-4-11 3589 Napa Calistoga Airport 105 Comment
  JEPS24976  Plagiobothrys strictus J. P. Tracy May 15 1903-May 18 1903 1857 Napa Region about San Francisco Bay, Napa Valley, Calistoga Hot Springs Region about San Francisco Bay, Napa Valley, Calistoga Hot S 91 Comment
  UC24573  Plagiobothrys strictus Alice Eastwood 1900-5-7 Napa type locality Calistoga Comment
  UCD167162  Plagiobothrys tenellus Jake Ruygt 2015-3-28 6059 Napa Upper Bohn Lake. 351 Comment
  UC280354  Plagiobothrys tenellus Milo S. Baker 1896-5-8 34 Napa field near Four Corners Comment
  UCD74383  Plagiobothrys undulatus Jake Ruygt 1991-8-10 2828 Napa Fawn Lake, Friesen's Lakes, Angwin. 582 Comment
  HSC81864  Plantago elongata Thomas W. Nelson, Jane Nelson 1980-5-3 5148 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  JEPS120325  Plantago erecta Jake Ruygt 1995-4-27 3638 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. Chiles Valley 7.5' Quad. Comment
  JEPS85040  Plantago erecta Larry Heckard and Mary Ashton 1969-5-3 2194 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  POM182688  Plantago erecta D. D. Keck 1931-4-2 1010 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 Comment
  UCD48071  Plantago erecta L. Lina; E. Anderson, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 2 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCD49192  Plantago erecta Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 24 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along Decker Ridge Rd., N of jct with South Decker Canyon Rd. 335 Comment
  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
  UCD18368  Plantago lanceolata R. Wenk 2000-5-14 4 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  CDA31336  Plantago subnuda D. G. Kelch 2001-6-2 1 .02 Napa Hills east of American Canyon. Comment
  JEPS120328  Platystemon californicus Jake Ruygt 2005-3-20 4708 Napa Alston Park, Dry Creek Road, Napa. Napa 7.5' Quad. Comment
  JEPS51580  Platystemon californicus Willis L. Jepson 1897-5-2 Napa St. Helena Comment
  CAS-BOT-BC91871  Platystemon californicus Mrs. H. C. Cantelow 1939-4-8 s.n. Napa Walters Springs. Comment
  JEPS129158  Plectritis ciliosa Jake Ruygt 2015-3-21 6048 b Napa Missimer - Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  UCD137583  Plectritis ciliosa J. D. Skoss 1948-4-1 1 Napa Putah Canyon, 14 miles above Winters. Comment
  UC1301169  Plectritis ciliosa subsp. ciliosa Helen K. Sharsmith 1963-4-20 5353 Napa above Wooden Valley (on Monticello Road, e side Napa Range); San Francisco Bay Region, Napa Range San Francisco Bay Regio 243 Comment
  JEPS4814  Plectritis macrocera Miss R. Kuhn 1912-5-6 Napa Oakville Comment
  JEPS5124  Plectritis macrocera Miss R. Kuhn 1912-4-10 Napa Oakville Comment
  UC28849  Plectritis macrocera Willis L. Jepson 1893-5-8 Napa Napa River Basin, Howell Mountain, Angwin's Howell Mountain; Napa River Basin, , Angwin's Comment
  UCR27515  Plectritis macrocera John C. Roos 1939-3-27 263 Napa North Coast Ranges, Pope Valley Comment
  UC999821  Plectritis macrocera S. C. Dyal, A. Carter, E. Crum 1938-4-24 697 Napa Howell Mountains, Wooden Valley Grade Wooden Valley Grade; Howell Mountains, Wooden Valley Grade Comment
  CHSC84556  Pleuropogon californicus John Dittes 2003-4-5 2003 -8 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
  CAS-BOT-BC260959  Pleuropogon californicus var. californicus John Thomas Howell 1967-5-18 42245 Napa Big geysers north of Calistoga Comment
  UCD90286  Poa annua A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3546 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  UCD91110  Poa howellii Beecher Crampton 1966-5-10 7713 Napa 9 miles east of Rutherford. State Highway 128. Comment
  CAS-BOT-BC246847  Poa napensis John Thomas Howell 1967-5-18 42244 Napa North of Calistoga Comment
  CAS-BOT-BC246848  Poa napensis Peter H. Raven 1957-5-5 10737 Napa Field near the hot springs at the airport, Calistoga Comment
  CAS-BOT-BC6497  Poa napensis Alan Ackerman Beetle 1946-5-7 4256 Napa 2 miles N of Calistoga at Myrtledale Hot Springs Comment
  UC1254608  Poa napensis Beecher Crampton 1967-5-15 7938 Napa 2 mi. n. Calistoga (Myrtledale Hot Springs); Myrtledale Hot Springs Comment
  UCD36594  Poa napensis Beecher Crampton 1955-5-9 2750 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD91551  Poa napensis Beecher Crampton 1962-5-8 6418 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD91555  Poa napensis R. Tofsrud 1948-5-1 s.n. Napa Calistoga. Comment
  NY431291  Poa napensis A. A. Beetle 1946-5-7 4256 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET7256601  Poa napensis Peter H. Raven Napa Comment
  SEINET7546722  Poa napensis A. A. Beetle 1946-1 Napa Comment
  SACT001995  Poa scabrella M. Wiesendanger 1927-5-4 Napa Comment
  CDA31320  Poa secunda D. G. Kelch 2010-5-6 10 .186-B Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD112243  Poa secunda Christopher Mallek 2008-5-12 AS2- 15 Napa Aetna Springs. 668 Comment
  UCD95685  Poa secunda subsp. juncifolia Ellen Dean; with Clare Loughran 2011-5-20 7030 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  JEPS122928  Poa secunda subsp. secunda Jake Ruygt 1990-4-8 2469 b Napa Milliken Reservoir, property of City of Napa. Quad: Capell Valley. Comment
  RSA128671  Pogogyne douglasii Peter H. Raven 1951-5-26 2880 Napa Butts Canyon. 305 Comment
  UC1988913  Pogogyne douglasii John Thomas Howell 1929-8-4 4870 Napa three miles from Pope Valley Store on road to Pope Creek Canyon. Same locality as No. 4278 Comment
  JEPS62429  Pogogyne douglasii W. L. Jepson 1938-6-8 18898 Napa Playa Snell Valley Comment
  JEPS110839  Pogogyne serpylloides Jake Ruygt 1991-6-1 2705 Napa Campbell Flat, Mt. St. John 310 Comment
  SEINET9289847  Pogogyne serpylloides Unknown 1993-5-1 10972 Napa Napa Co., CA Comment
  RSA113968  Polygala californica Peter H. Raven 1957-5-5 10778 Napa Hills at western edge of Calistoga. Comment
  JEPS112598  Polygonum amphibium var. emersum Jake Ruygt 1991-8-8 2829 Napa east side of Lake Orville, Friesen's Lakes, Angwin 557 Comment
  JEPS50531  Polygonum amphibium var. emersum Willis L. Jepson 1894-11-8 Napa Napa City Napa River Basin Comment
  CAS-BOT-BC109163  Polygonum bolanderi Roxana S. Ferris 1935-10-1 9307 Napa The Palasades near highway over shoulder of Mount Saint Helena. Comment
  UC523515  Polygonum bolanderi David D. Keck 1933-11-10 2721 Napa 1 mi n Yountville Comment
  UC6671  Polygonum bolanderi Bolander 1863-9-20 2649 Napa e Napa Valley; ; among rocks near Napa in field notes Comment
  JEPS50607  Polygonum hydropiper W. L. Jepson 1894-11-5 Napa towards Battle Mt. (near St. Helena) Comment
  JEPS112595  Polygonum lapathifolium Jake Ruygt 1969-12-31 2837 Napa Buchli Station, DFG Huichica Creek prop. 1 Comment
  JEPS50621  Polygonum lapathifolium W. L. Jepson 1892-10-22 Napa Napa River; bed Comment
  CAS-BOT-BC419831  Polygonum parryi John Thomas Howell 1940-5-19 15466 Napa Upper St. Helena Creek Comment
  UC1198090  Polygonum parryi Joseph P. Tracy 1933-6-2 12457 Napa La Jota Plateau Howell Mountain (hills at head of Moore's Creek, 5 mi e of Angwin's) 518 Comment
  JEPS112592  Polygonum punctatum Jake Ruygt 1969-12-31 2410 Napa Napa River about 1/2 mile north of Trancas St., Napa 3 Comment
  JEPS50656  Polygonum punctatum W. L. Jepson 1892-10-22 14803 Napa river bed near St. Helena; Napa River Comment
  RSA755360  Polygonum punctatum L. Ahart 2009-10-12 16449 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 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
  CHSC102289  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 Winters. 133 Comment
  UCD91019  Polypogon interruptus August L. Hormay 1932-6-19 s.n. Napa Mt. St. Helena. Comment
  UCD91027  Polypogon interruptus R. Tofsrud 1941-6-1 23 Napa Few miles south of Calistoga. Comment
  UCD149572  Polypogon maritimus 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
  UCD20730  Polypogon monspeliensis Ellen Dean; w/ Mark Bibbo 2002-6-17 1094 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. 188 Comment
  UCD91411  Polypogon monspeliensis M. Wiesendanger 1926-4-1 1495 Napa Somewhere. Comment
  JEPS116567  Polystichum dudleyi Jake Ruygt 1999-7-10 4204 b Napa Spring Street near White Sulphur Springs. Rutherford 7.5' Quad. Comment
  UCD170619  Potamogeton 1998-6-29 s.n. Napa Calistoga, Sterling Vineyards, 1111 Dunaweal Ln. 96 Comment
  CAS-BOT-BC453918  Potamogeton pectinatus Peter H. Raven 1951-10-28 3943 Napa Conn Lake 152 Comment
  UCD166659  Prosartes hookeri Jake Ruygt 1990-4-4 2459 Napa Skyline Park on Lake Marie trail, 1/4 [mile] from lake. 201 Comment
  JEPS62485  Prunella vulgaris W. L. Jepson 1923-6-3 9975 Napa e Yountville (Napa Valley, near base of hills); Napa Valley Comment
  UC466722  Prunus emarginata H. P. Chandler 1907-4-14 7506 Napa St. Helena, near Sanitarium St. Helena Comment
  CAS-BOT-BC151176  Prunus subcordata W. L. Jepson 1891-6-1 s.n. Napa In the Vaca Mts. Comment
  CAS-BOT-BC151177  Prunus subcordata Mrs. H. C. Cantelow 1940-4-13 s.n. Napa 8.2 miles S.W. of Monticello, on road to Napa Comment
  JEPS110645  Prunus subcordata Jake Ruygt 1990-4-28 2513 Napa Bear Valley 615 Comment
  JEPS44957  Prunus subcordata Willis L. Jepson 1893-4-24 14362 Napa e of St. Helena (Napa River, Park Hill Bridge); Napa River Basin, Napa River, Park Hill Bridge Comment
  UC12813  Prunus subcordata Willis L. Jepson 1893-5-8 Napa New Eden Napa River Basin Comment
  UC1543127  Prunus subcordata Charlotte G. Nast 1936-3-27 65 Napa Childs Canyon Comment
  UC608410  Prunus virginiana var. demissa Beryl O. Schreiber 1936-3-5 2205 Napa 0.3 mi WSW of Petrified Forest Comment
  JEPS106909  Pseudognaphalium luteoalbum Jake Ruygt 1987-7-23 2079 Napa Willis Dr., Napa 15 Comment
  UC127187  Pseudognaphalium thermale Harley P. Chandler Sep 7 1906-Sep 14 1906 7108 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD120917  Pseudotsuga menziesii var. menziesii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7338 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
  UCD147467  Psilocarphus brevissimus Ellen Dean; Diana Hickson 2014-4-29 8080 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UC1111581  Psilocarphus brevissimus var. brevissimus Herbert L. Mason 1935-5-30 2837 Napa just s Napa State Hospital Comment
  UC1245374  Psilocarphus oregonus Joseph P. Tracy 1950-5-23 18666 Napa 3 to 4 mi e Angwin's (La Jota Plateau, on hills at the head of Moores Creek); Northern Coast Ranges, Howell Mountain 518 Comment
  UCD170453  Psilocarphus tenellus Daniel Potter; Ninh Khuu 2016-6-8 882 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 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
  JEPS110781  Pterostegia drymarioides Jake Ruygt 1994-3-15 3319 Napa Chiles Canyon Road about 1 mile from Chiles Valley 457 Comment
  UCD20916  Pterostegia drymarioides V. (Shorty) Boucher 2002-3-27 7 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
  JEPS106407  Pyrola aphylla Jake Ruygt 1988-6-4 2217 Napa Mt. St. Helena <.5 mi. from HWY 29 on fire road 707 Comment
  CAS-BOT-BC362359  Pyrrocoma racemosa var. racemosa Milo S. Baker 1933-9-9 7535 Napa Near Calistoga Geyser Comment
  UC725507  Pyrrocoma racemosa var. racemosa A. A. Heller 1927-8-26 14466 Napa Calistoga Comment
  UC762610  Pyrrocoma racemosa var. racemosa R. F. Hoover 1941-8-24 5579 Napa near Calistoga; Myrtledale Hot Springs Comment
  UCD21499  Quercus X morehus Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4401 Napa Quail Ridge Reserve. 274 Comment
  CLARK-A1528-2905  Quercus X morehus John C. Roos 1939-4-16 259 Napa Angwin Comment
  CLARK-A1528-2916  Quercus agrifolia John C. Roos 1939-4-16 283 Napa Angwin Comment
  JEPS37369  Quercus agrifolia W. L. Jepson 1907-12-1 2975 Napa Sanitarium Hill road Napa Valley Comment
  JEPS37374  Quercus agrifolia W. L. Jepson 1930-10-19 15695 Napa Butts Canyon Comment
  JEPS37806  Quercus agrifolia W. L. Jepson 1937-4-10 18004 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UCD45019  Quercus agrifolia D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCD45141  Quercus agrifolia W. C. Overton Jr. 1980-7-13 s.n. Napa From a population of Q. agrifolia, Q. wislizenii, and a few hybrids; along south bank of Eticuera Creek ca. 1 1/2 road miles north of Lake Berryessa, Napa Co., Calif, elev. 580 feet. Location is to the west of Berryessa-Knoxville Road (at the 20.00 mile marker) where the creek turns sharply to the NW, away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to the NE of the limits shown in Griffin and Critchfield, 1972). No. 1 of 4 sheets. 176 Comment
  RSA608861  Quercus agrifolia var. agrifolia Louis C. Wheeler 1963-9-16 8392 Napa Moore Creek Prospect, E of St. Helena. Comment
  JEPS116525  Quercus berberidifolia Jake Ruygt 2002-10-23 4467 b Napa Mount Vaca, south side of peak. Mount Vaca 7.5' Quad. Comment
  JEPS116528  Quercus berberidifolia Jake Ruygt 2002-4-1 4379 Napa Blue Ridge north of Mays Flat. Knoxville 7.5' Quad. Comment
  SFV878  Quercus berberidifolia M. Shaw 1963-5-13 s. n. Napa North Coast Ranges Vaca Mountains. Below CA-Highway 128, 4 miles west of Monticello Dam. 120 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
  UCD45198  Quercus berberidifolia J. M. Tucker 1950-11-12 2014 4 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of Junction with Highway 37; southeast-facing hillslope above Sage Creek. Comment
  UCD83393  Quercus berberidifolia Jake Ruygt 1992-9-24 3156 Napa Lower Chiles-Pope Valley Rd., N of Berryessa Knox Rd. 201 Comment
  CAS-BOT-BC62457  Quercus chrysolepis Alice Eastwood 1918-9-3 7953 Napa Mt. St. Helena Comment
  CAS-BOT-BC62461  Quercus chrysolepis Mrs. E. C. Suttiffe 1919-10-1 s.n. Napa Mt. St. Helena Comment
  SACT002631  Quercus chrysolepis John Willoughby 1977-2-1 Napa East side of Mount Vaca, just below summit along road, near stand of Torreya californica, in chaparral. Comment
  UCD120918  Quercus chrysolepis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7339 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
  JEPS37395  Quercus douglasii Willis L. Jepson 1901-8-6 1723 Napa Howell Mt. grade Napa River Basin Comment
  UCD49044  Quercus douglasii S. Colby; L. Hanson, C. Bosworth, K. Sesser, and G. Belley 2001-4-14 4 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  CAS-BOT-BC79836  Quercus durata Margaret J. Williams; Wayne Roderick 1984-5-22 84- 13 -1 Napa Hwy 29, 0.3 mi into Lake County from Napa County 396 Comment
  JEPS121551  Quercus durata Adam C. Schneider with Dick O'Donnell 2013-5-26 194 Napa Along Chiles Valley Road. Comment
  RSA38487  Quercus durata Carl B. Wolf 1944-11-1 11483 Napa 2.2 miles east of Lake County line, between Knoxville and Lower Lake. 457 Comment
  SEINET234414  Quercus durata John Tucker 1950-11-12 2014 -20 Napa Hwy 28 7.7 road mi W of junction with Hwy 37; SE-facing slope above Sage Creek Comment
  UCD14804  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2006 -3 Napa California, Napa Co.; beside road up Howell Mountain, ca. 6 mi. north of St. Helena; Comment
  UCD14825  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -21 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14826  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -22 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14837  Quercus durata John M. Tucker 1950-11-12 2014 -13 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD149623  Quercus durata G. Ledyard Stebbins 1994-3-11 s.n. Napa Capell Creek. Comment
  UCD160803  Quercus durata Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8683 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
  UCD45966  Quercus durata David Slade 1982-5-27 72 Napa Highway 128 3.8 miles W of Moskowite Corner, 1000 feet. 304 Comment
  SBBG111357  Quercus durata var. durata J. M. Tucker, G. L. Stebbins 1950-11-5 2007 -33 Napa Howell Mtn, N of St Helena Comment
  UCD45970  Quercus durata var. durata Barbara Rice 1966-9-22 580 Napa Shrub on cut bank in west side of road; Knoxville- Berryessa road, 0.4 mile south of junction with Pope Canyon Road, Napa County, California. Comment
  UCD48032  Quercus durata var. durata Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 20 Napa Napa Co, McLaughlin Reserve, apporx. 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd. 1st ridge south of Devilhead Rd. 518 Comment
  UCD54026  Quercus durata var. durata R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 5 Napa McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  JEPS116533  Quercus durata var. durata Jake Ruygt 1992-9-24 3155 y Napa Chiles Canyon near Chiles-Pope Valley Road. Comment
  UCR219491  Quercus garryana Jake Ruygt 1992-7-18 3099 Napa Green Valley Ranch, end of Green Valley Road, wooded slope near county line 329 Comment
  UCD148742  Quercus garryana var. garryana Jake Ruygt 2004-7-31 4638 b Napa Napa County; near top of Buzzard's Roost. 594 Comment
  UCD46092  Quercus garryana var. garryana J. M Tucker 1952-4-22 2360 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
  UCD46115  Quercus garryana var. garryana John M. Tucker 1952-9-20 2626 Napa California, Napa Co.; road up Mt. St. Helena (Highway 29) 5.2 mi (by road) north of Calistoga. Comment
  UCSB19167  Quercus garryana var. garryana Rankine, Jane 1965-4-13 Napa 3 miles west of Pope Valley on the road between Pope Valley and Anqwin Comment
  CAS-BOT-BC105294  Quercus kelloggii Peter H. Raven 1951-8-20 3861 Napa near Lokoya 548 Comment
  CDA21941  Quercus kelloggii J. M. Tucker 1976-10-24 4383 Napa Beside Dry Creek Road, 0.8 mile east of junction with Wall Road, and 5 miles (by road) southwest of Oakville. 0 Comment
  JEPS37762  Quercus kelloggii Willis L. Jepson 1901-11-17 1752 Napa St. Helena Napa River Basin Comment
  JEPS46695  Quercus kelloggii W. L. Jepson 1938-10-1 19070 Napa St. Helena Sanitarium Comment
  SEINET2066834 Image available Quercus kelloggii Royal D. Suttkus 1967-6-26 67 -308 Napa Clearly Reserves, 7.2 mi NW of Pope Valley Comment
  JEPS37359  Quercus lobata Miss Frida Niedenmuller 1908-9-7 Napa St. Helena Comment
  JEPS46691  Quercus lobata W. L. Jepson 1903-11-1 2403 Napa Little Lake Valley Comment
  UCD161648  Quercus lobata Jake Ruygt 1992-9-24 3155 -z? Napa Chiles Canyon near Chiles-Pope Valley Road? Comment
  CAS-BOT-BC104839  Quercus wislizeni G. F. Ferris 1920-10-1 s.n. Napa Napa Comment
  CAS-BOT-BC104981  Quercus wislizeni Peter H. Raven 1951-8-20 3860 A Napa East Point, near Lokoya 609 Comment
  CHSC59980  Quercus wislizeni Wm. C. Overton Jr. 1980-7-13 Napa Along a south bank of Eticuera Creek ca. 1-1/2 road miles north of Lake Berryessa. Location is to the west of the Berryessa-Knoxville Road (at the 20.00 mile marker) where the creek turns sharply to the NW, away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to the NE of the limits shown in Griffin and Critchfield, 1972). 176 Comment
  CLARK-A1528-2913  Quercus wislizeni John C. Roos 1939-4-16 284 Napa Angwin Comment
  UCD118565  Quercus wislizeni Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. NE of fire station ca. 0.1 mi. on undeveloped road on N side of road. 518 Comment
  UCD149626  Quercus wislizeni G. Ledyard Stebbins 1994-4-15 s.n. Napa Markley Canyon. Comment
  UCD47484  Quercus wislizeni W. C. Overton Jr. 1980-7-13 s.n. Napa Along south bank of Eticuera Creek ca. 1 1/2 road miles north of Lake Berryessa, Napa County, California. Location is to 20.00 mile marker) where the creek turns sharply to the NW away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to NE of the limits shown in Griffin and Critchfield, 1972). 176 Comment
  JEPS116537  Quercus wislizeni subsp. frutescens Jake Ruygt 1995-4-24 3445 Napa 2 miles south of Lake Hennessey boat dock; Taylor Vineyards. Yountville 7.5' Quad. Comment
  RSA10629  Quercus wislizeni var. frutescens Carl B. Wolf 1928-5-4 1862 Napa Upper slopes of Mount St. Helena. Comment
  UCD47630  Quercus wislizeni var. frutescens G. F. Hrusa; G. L. Stebbins 1994-5-11 11609 Napa Poorly drained rhyolitic ash flat on Ink Grade approx. 2 miles N of Angwin on Howell Mtn. 520 Comment
  JEPS110891  Ranunculus aquatilis var. capillaceus Jake Ruygt 1996-3-30 3539 Napa Jameson Vineyards, South Kelly Road. 67 Comment
  CAS-BOT-BC379141  Ranunculus aquatilis var. diffusus Peter H. Raven 1951-5-6 2812 Napa Conn Creek 2.5 mi from Rutherford to Dam 49 Comment
  RSA786317  Ranunculus californicus Keith E. Hoffmaster 1946-3-23 1223 Napa Napa range, along Napa-Monticello road. Comment
  UC917102  Ranunculus californicus D. C. Finfrock 1950-4-2 15 Napa 2 mi from St. Helena (on Pope Valley Rd) Comment
  JEPS120435  Ranunculus californicus Jake Ruygt 2008-4-7 5278 Napa Tubbs Lane, west of Myrtledale Rd. Comment
  JEPS55171  Ranunculus californicus W. L. Jepson 1896-2-22 Napa near Stone Bridge; Howell Mountain grade Comment
  UC9420  Ranunculus canus Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  JEPS110875  Ranunculus hebecarpus Jake Ruygt 1986-3-29 1672 a Napa Toll Canyon 210 Comment
  JEPS110882  Ranunculus lobbii Jake Ruygt 1996-3-23 3529 Napa Wantrop Wildlife Sanctuary, Pope Valley 280 Comment
  POM268693  Ranunculus lobbii W. L. Jepson 1893-5-1 s.n. Napa Upper Napa Valley, near Calistoga; Napa River basin Comment
  UCD159791  Ranunculus muricatus James A. Neilson Jr. 1975-4-13 3160 Napa Soda Canyon Road, near outlet of canyon. 60 Comment
  UCD18048  Ranunculus occidentalis Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 600 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
  UCD96774  Ranunculus occidentalis D. C. Finfrock 1950-4-2 15 Napa 2 miles from St. Helena on Pope Valley Road. Comment
  UCD96938  Ranunculus occidentalis H. Popenoe 1949-4-17 9 Napa 17 miles from Winters, at entrance to Monticello Valley. Comment
  SBBG20752  Ranunculus occidentalis var. occidentalis H. and M. Dearing 1939-5-3 3266 c Napa near Napa Comment
  JEPS110878  Ranunculus orthorhynchus Jake Ruygt 1992-3-25 2861 Napa south end of Wooden Valley, Wild Horse Valley Ranch 179 Comment
  POM149990  Ranunculus orthorhynchus var. bloomeri C. F. Baker 1903-4-19 1995 Napa Calistoga. Comment
  UC1178884  Reseda luteola Herbert L. Mason 1942-9-29 12558 Napa 2 mi n of Calistoga (Napa River); Napa River Comment
  RSA659261  Reseda luteola David J. Keil, V. L. Holland, G. Fred Hrusa, G. Ledyard Stebbins 1994-6-6 24509 Napa Near E end of Lake Hennessy along Hwy 128 roadside and pasture. 150 Comment
  CDA7606  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G.A. Wilson Ranch, Dry Creek Road, 2 miles west of Yountville Comment
  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-BC362895  Rhagadiolus stellatus Marie Taylor 1978-4-5 s.n. Napa Dry Creek & Wall roads Comment
  OBI5246  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G.A. Wilson ranch, Dry Crk Rd, 2mi W of Yountville Comment
  UC592789  Rhamnus californica subsp. californica unknown 1928-2-25 1505 Napa 2 mi n summit of the Mt. St. Helena grade to Middletown Comment
  CAS-BOT-BC56018  Rhamnus ilicifolia John Thomas Howell 1929-8-4 4366 Napa One mile below Samuels Springs, Pope Creek Canyon, Napa Range Comment
  UCD41401  Rhamnus ilicifolia Ellen Dean; M. Bibbo, T. Pitman, and A. Douglas 2004-5-1 2015 Napa McLaughlin UC Reserve or just south of it. Along Knoxville-Berryessa Road, 1 road mile south of the gate/road to old town of Knoxville site. East side of road. 353 Comment
  CAS-BOT-BC199721  Rhododendron occidentale H. E. McMinn 390 Napa About 6 mi. above Aetna Springs Comment
  JEPS58750  Rhododendron occidentale W. L. Jepson 1897-7-13 14672 Napa Butts Canyon, near Napa Co. Comment
  SFV8771  Rhododendron occidentale J. W. Katberg, Jr. 1966-5-11 46 Napa North Coast Ranges 1 mile north of Cedar Valley by Knoxville. 400 Comment
  UC527847  Rhododendron occidentale R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6675 Napa 10 mi n of Howell Mountain; Butts Canyon Comment
  UCD117983  Rhododendron occidentale W. R. Russell 1953-5-5 s.n. Napa Chiles Valley. Comment
  CAS-BOT-BC200715  Rhus aromatica Ella Dales Cantelow 1939-4-8 2495 Napa Few miles s. of Knoxville Comment
  JEPS9658  Ribes menziesii Willis L. Jepson Napa mountain summit w St. Helena (trail to <?>houx's Knob) Comment
  JEPS49466  Ribes roezlii var. cruentum Willis L. Jepson 1893-5-5 13523 Napa below Toll-House (Middleton grade); Napa River Basin, Mt. St. Helena Comment
  CAS-BOT-BC168760  Ribes victoris Clarence R. Quick 1942-4-18 s.n. Napa Mouth of canyon just west of Rutherford, Napa Valley Comment
  POM141904  Ribes victoris W. L. Jepson 1892-05 s.n. Napa Trail to [?] Cabin. Comment
  UCD167016  Ribes victoris Jake Ruygt 1984-3-28 1511 Napa Whitehall lane. 701 Comment
  RSA84971  Ribes victoris var. greenianum J. T. Howell 1940-5-19 15450 Napa Upper St. Helena Creek. Comment
  HSC83455  Rigiopappus leptocladus G. Holstein 1977-5-11 Napa Edge of highway, along Hwy. 128, 0.2 mi. S of intersection with Barryessa-Knoxville Rd., Capell Valley Comment
  UCD118624  Rigiopappus leptocladus Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  CAS-BOT-BC340995  Robinia pseudoacacia Elsa G. Ruckert 1960-4-29 123 Napa 6495 Dry Creek Road. On private road leading to house 365 Comment
  UC10724  Rorippa curvisiliqua Willis L. Jepson 1893-4-27 Napa Veteran's Home , Veteran's Home (Napa River Basin) Comment
  UCD74397  Rorippa curvisiliqua Jake Ruygt 1986-5-19 1779 Napa Napa River at confluence of Tulocay Cr. 1 Comment
  UCD167150  Rorippa palustris subsp. palustris Jake Ruygt 2015-5-6 6092 Napa East side of Highway 221, south of Suscol Creek. 30 Comment
  JEPS106848  Rorippa palustris var. occidentalis Jake Ruygt 1981-3-29 957 Napa Suscol plain near steel mill 4 Comment
  JEPS110648  Rosa californica Jake Ruygt 2007-5-14 593 Napa NE corner of Trefethen Vineyards, Dry Creek 22 Comment
  CAS-BOT-BC148155  Rosa gymnocarpa Peter H. Raven 1952-5-26 4049 Napa Howell Mt. 426 Comment
  UC963910  Rosa gymnocarpa Milo S. Baker 1947-7-7 11860 Napa e slope of mt. near hiway at St. Andrew's Camp; Mt. St. Helena 609 Comment
  UCD113904  Rosa spithamea Heidi E. M. Dobson 1978-5-6 320 Napa East slope of Mt. Veeder. Comment
  UCD91423  Rubus ulmifolius Lindsay Clark 2009-8-14 MCD 12 Napa Near Rt.128 bridge over Putah Creek, about 30 m from water. Monticello Dam, where Putah Creek meets Lake Berryessa. 182 Comment
  HSC100740  Rumex dentatus Lowell Ahart 2009-10-27 16492 Napa Below the high water line of Lake Berryessa, ~50 yd. SE of Eticuera Creek, ~150 yd. S of Eticuera Parking Area, at the NE end of causeway, on the S side of Berryessa Knoxville Rd., 20 (air) mi. NW of Winters. 130 Comment
  JEPS115755  Rumex dentatus Lowell Ahart 2009-10-27 16492 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  JEPS110753  Rumex salicifolius var. salicifolius Jake Ruygt 1996-5-4 3653 Napa Butts Canyon Road at James Creek Road; SE field. 205 Comment
  JEPS106735  Sagina decumbens subsp. occidentalis Jake Ruygt 1982-4-4 1166 Napa 3.2 miles north of Loma Vista Rd. on Soda Canyon Rd. 335 Comment
  POM260435  Salix L. S. Rose 1937-4-4 37020 Napa 4 miles N of Wooden Valley. 335 Comment
  CAS-BOT-BC108663  Salix breweri John Thomas Howell 1933-8-27 11641 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC108666  Salix breweri John Thomas Howell 1931-4-3 6149 Napa Butts Valley Road to Middletown, 5 miles from Aetna Springs Comment
  CAS-BOT-BC108668  Salix breweri L. R. Abrams 1928-5-4 12283 Napa 4 mi. south of Middletown Comment
  UC481207  Salix breweri Ball, Bracelin, Parks and Parks 1931-4-21 25 Napa near junction with St. Helena Creek (about 6 km s of Middletown, about 120 m above creek mouth); Mirabel Creek 420 Comment
  UCD164792  Salix breweri Jake Ruygt 1994-3-5 3406 Napa Hunting Creek. 280 Comment
  UCD170811  Salix eastwoodiae 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. Along drainage leading to Maxwell Creek. 166 Comment
  UC75014  Salix exigua var. hindsiana unknown 1903-4-19 1996 Napa Calistoga Comment
  CAS-BOT-BC108190  Salix hindsiana C. F. Baker 1903-4-19 1996 Napa Calistoga Comment
  CAS-BOT-BC108200  Salix hindsiana Peter H. Raven 1951-5-6 2810 Napa Flood plain Conn Creek 2.5 miles from Rutherford to Conn Dam 48 Comment
  UC5024  Salix laevigata Willis L. Jepson 1893-5-8 Napa beyond Angwin's Howell Mt. Comment
  UCD167160  Salix laevigata Jake Ruygt 2015-3-20 6049 Napa Suscol Creek, east of Highway 221. 82 Comment
  UCD164800  Salix laevigata Jake Ruygt 2008-4-24 5304 -c Napa Soscol Creek at Hwy 29. 19 Comment
  UCD164802  Salix laevigata Jake Ruygt 1994-4-26 3356 -b Napa North of Barnett and Pope Valley Rd. 240 Comment
  UC5018  Salix laevigata var. congesta Willis L. Jepson May 2 1891-May 6 1891 Napa creek bed of the Putah, below the Bluffs Comment
  CAS-BOT-BC125149  Salix lasiandra var. lasiandra Peter H. Raven 1952-5-31 4116 Napa 2.5 mi. e. of Yountville 60 Comment
  JEPS13057  Salix lasiandra var. lasiandra W. L. Jepson 1893-5-8 29 s Napa beyond Angwin's Howell Mt.; Napa River Basin, Howell Mt. Comment
  SBBG29033  Salix lucida subsp. lasiandra I. L. Wiggins 1932-3-12 5750 Napa N fk of Napa River, 1 mi N of Calistoga 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
  POM182720  Salvia columbariae D. D. Keck 1931-4-3 1067 Napa Pope Creek Canyon, 8 miles NW of Monticello Comment
  UC1301159  Salvia sonomensis Helen K. Sharsmith 1963-3-17 5226 Napa s side Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD73452  Salvia sonomensis Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  RSA92950  Sanguisorba minor Peter H. Raven 1951-6-26 3050 Napa E of Napa on Monticello Rd. 61 Comment
  SEINET7073054  Sanicula bipinnata A. G. Vestal 1963-4-8 s.n. Napa Weedy flat on Route 128 about 5.2 miles east of the turn off to Pope Valley Road. Coordinate datum: NAD27. Comment
  JEPS104481  Sanicula bipinnatifida Jake Ruygt 1994-4-26 3356 Napa Pope Valley near Pope Valley Rd. 256 Comment
  UCD128014  Sanicula bipinnatifida M. Wiesendanger 1927-5-4 679 Napa Near Monticello. Comment
  UCD149699  Sanicula bipinnatifida Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD14928  Sanicula bipinnatifida Jumi Takeda 1977-4-24 39 Napa 6.4 miles southwest of Monticello Dam, beside Highway 128. 182 Comment
  UC1006696  Sanicula crassicaulis C. Ritchie Bell 1951-3-24 3 X151 Napa se of road from Pope Valley to St. Helena Comment
  UC1022487  Sanicula crassicaulis C. Ritchie Bell 1952-3-8 3 X339 Napa about 9 mi e of Pope Valley (on the road to Monticello, along Pope Creek); Pope Creek Comment
  UCD81388  Sanicula crassicaulis M. Wiesendanger 1927-5-4 680 Napa Near Monticello. Comment
  JEPS991  Sanicula laciniata Willis L. Jepson 1893-5-1 14186 Napa Napa River Basin, Upper Napa Valley, Franz Valley Grade Franz Valley Grade; Napa River Basin, Upper Napa Valley, Franz Valley Grade Comment
  JEPS104495  Sanicula tuberosa Jake Ruygt 1992-4-3 2878 Napa Tuteur Ranch, end of Green Valley Rd. 451 Comment
  UC642309  Sanicula tuberosa Joseph P. Tracy 1933-4-30 12097 Napa 5 mi e of Angwins (at head of Moore's Creek, Howell Mountain); Howell Mountain, Moore's Creek 396 Comment
  UCD47842  Sanicula tuberosa Robert Wolfson; J. Westbrook, S. Ratay, A. Houser, M. Disney, S. Wathen 2000-4-22 37 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
  RSA10650  Saxifraga californica Carl B. Wolf 1928-5-3 1839 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  JEPS120427  Saxifraga californica Jake Ruygt 2010-3-27 5491 Napa Devil's Canyon on east side near falls. Comment
  JEPS8802  Scabiosa atropurpurea W. L. Jepson 1918-6-24 7668 Napa upper Napa Valley Napa Valley Comment
  SBBG5287  Scandix pecten-veneris H. and M. Dearing 1939-5-1 3245 Napa top of Spring Mtn grade Comment
  SEINET7072531  Scandix pecten-veneris A. G. Vestal 1963-4-8 s.n. Napa On Route 128 abut 5.2 miles east of the turn off to Pope Valley Road. Coordinate datum: NAD 27. Comment
  UC917158  Scandix pecten-veneris C. G. Baughn 1949-4-24 20 Napa 3 1/4 mi nw of Cordelia (State Highway 12); State Highway 12 Comment
  UCD83666  Scandix pecten-veneris Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 1 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 175 Comment
  CAS-BOT-BC21128  Schoenoplectus acutus var. occidentalis Peter H. Raven 1952-5-31 4118 Napa 2.5 miles east of Yountville. 60 Comment
  UCD170370  Schoenoplectus pungens var. longispicatus Daniel Potter; N Khuu, K Battenberg 2016-4-30 868 Napa Along Nevada Creek, just west of Knoxville Wildlife Area boundary. 199 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
  JEPS121365  Scirpus cernuus Jake Ruygt 1986-7-23 1888 Napa East end of Marina Drive, Napa. Comment
  CDA37948  Scirpus microcarpus D. G. Kelch 2010-5-6 10 .163 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UC1158116  Scribneria bolanderi Joseph P. Tracy 1950-5-23 18674 Napa 3-4 mi e of Angwins (at head of Moore's Creek, La Jota Plateau, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  RSA518791  Scutellaria siphocampyloides Barbara Ertter, Annetta Carter 1989-5-28 8504 Napa Berryessa-Knoxville Road N of Lake Berryessa, 4.7 miles S of Knoxville tunnel, along Eticuera Creek. 305 Comment
  RSA170228  Sedella pumila Joseph P. Tracy 1950-5-23 18657 Napa Near Angwin Creek; Howell Mountain. Comment
  CAS-BOT-BC417002  Sedella pumila Rimo Bacigalupi 1947-4-13 2818 Napa Silverado Highway, E side of Napa Valley, 6 mi. SE of Yountville Comment
  JEPS106390  Sedum radiatum Jake Ruygt 1998-6-20 4043 Napa On Palisades trail from RLSSP, east of Table Rock. 701 Comment
  UCD148772  Sedum radiatum Jake Ruygt 2005-4-17 4775 Napa Napa County; 'Cub Valley' south of Bear Valley. 676 Comment
  CAS-BOT-BC63831  Sedum spathulifolium Alice Eastwood 1915-6-6 4692 Napa Mt. St. Helena Comment
  CAS-BOT-BC63835  Sedum spathulifolium John H. Thomas 1955-5-21 5126 Napa Sarco Creek drainage, near Hwy 37, about 6 mi from Napa. 274 Comment
  SD77911  Sedum spathulifolium Betty H. Johnson 1958-6-15 617 Napa Near St. Helena River, 6.4 miles southwest of Middletown. Comment
  RSA0074712  Sedum spathulifolium D. D. Keck 1933-5-29 2354 Napa Pope Creek bridge south of Walters Springs. Comment
  SEINET12216917  Sedum spathulifolium F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -313 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 780 Comment
  JEPS103971  Selaginella wallacei Jake Ruygt 1994-3-19 3326 Napa Top of the Palisades. 716 Comment
  UCR141753  Selaginella wallacei J. French 1969-2-15 s.n. Napa 7 mi NE of Napa on State Hwy 121 243 Comment
  HSC104394  Selaginella wallacei J. French 1969-2-15 Napa Along State Hwy. 121, 7 mi. NE of Napa Comment
  UC35924  Senecio aronicoides Willis L. Jepson 1894-4-30 Napa Rebecca Ranch grade , Rebecca Ranch grade (Napa River Basin) Comment
  CAS-BOT-BC363358  Senecio aronicoides Peter H. Raven 1951-6-10 2916 Napa Crater Region e. of Mt. St. Helena 762 Comment
  CDA33482  Senecio clevelandii Dale Woods, V. Popescu 2010-6-28 Napa Along Devilshead-Knoxville Road. Comment
  SFV4108  Senecio sylvaticus E. Parchim 1964-4-25 s. n. Napa Summit of Oakvillegrade Road, about 4 miles southwest of Oakville. Shale soil in burned (summer 1962) area south of road. Comment
  CAS-BOT-BC364214  Senecio sylvaticus Baker 1938-5-4 8972 Napa Levee at Cutting Wharf Comment
  UCD161531  Senecio sylvaticus Jake Ruygt 1991-6-28 2736 Napa DFG property; Huichica Creek, Buchli Station. 1 Comment
  CAS-BOT-BC243631  Setaria pumila Peter H. Raven 1952-8-26 5152 Napa Road NE of Buchli Station 30 Comment
  UCD92839  Setaria viridis Beecher Crampton 1964-8-18 7152 Napa 2 miles north of Calistoga Tubbs Lane, entrance to Old Faithful Geyser. Comment
  UCD160750  Sidalcea Ellen Dean 2015-5-23 8802 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 207 Comment
  POM118525  Sidalcea diploscypha Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  RSA185857  Sidalcea diploscypha John H. Thomas 1955-5-21 5158 Napa Near State Highway No. 125 and Capell Creek, about 12 miles east of St. Helena 244 Comment
  UC518944  Sidalcea diploscypha David D. Keck 1933-5-29 2363 Napa s Walters Springs (Pope Creek Bridge, to s of creek); s of Walters Springs, Pope Creek Bridge Comment
  UC871440  Sidalcea diploscypha M. S. Jussel 1937-5-23 Napa Mt. St. Helena Comment
  JEPS50094  Sidalcea hartwegii W. L. Jepson with R. F. Hoover 1938-6-8 18890 Napa Lower portion of Butts Canyon Comment
  JEPS110724  Sidalcea hirsuta Jake Ruygt 1986-6-24 1783 Napa Butt's Canyon Rd. at Ink Grade 237 Comment
  JEPS51044  Silene antirrhina W. L. Jepson 1938-5-25 18864 Napa Bell Canyon Howell Mountain, Bell Canyon 579 Comment
  CDA3481  Silene armeria L. Darby 1980-8-29 Napa Napa. 0 Comment
  UCD170584  Silene gallica Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 912 Napa Knoxville Wildlife Area, Zim Zim Creek drainage northwest of Zim Zim Falls. 419 Comment
  UCD74405  Sinapis arvensis Jake Ruygt 1999-7-3 4190 Napa Napa College, road north of tennis courts. 3 Comment
  RSA503179  Sisyrinchium bellum Gary D. Wallace 1967-5-27 770 Napa Northwest of St. Helena on Howell Moutain Road 2 miles west of Pacific Union College and Angwin Comment
  UCD170815  Sisyrinchium bellum 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail), in meadow on the west side of Maxwell Creek. 166 Comment
  UCD48740  Sisyrinchium bellum A. Van Houtte; E. Leger and C. Hohn 2001-4-14 5 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, on W side of S. Decker Canyon Rd., along S rim of stock pond in Decker Canyon, near outflow gulch. W and upslope from ruined cabins. 152 Comment
  UCR178674  Sisyrinchium bellum Kook-Hyun Chung, M. Hauselt, C. Ineich, J. Deusterman 2001-4-28 007 Napa Vaca Mtns, Quail Ridge UC Reserve. SE corner of Lake Berryessa, just west of Monticello Dam, along West Road, c. 0.45 mi (2400 ft) NW of the junction with South Decker Canyon Road 242 Comment
  UCR47042  Sisyrinchium bellum J. Nevin 1987-4-12 01 Napa Coast Range, Napa. East end of Brown's Valley, 1 mi on Buhman Ave. from Brown's Valley Road 61 Comment
  RSA201767  Sisyrinchium bellum Dave Warfield 1964-5-8 20 Napa State Highway 128, 5.3 miles southwest of Monticello Dam Comment
  UCD23394  Sisyrinchium bellum Alana Adams 1977-4-28 10 Napa Grassy meadow, partly shaded by oaks. 14.75 miles north of Barryessa Knoxville Rd. and Highway 128 intersection on Berryessa Knoxville Rd. 243 Comment
  UCD166695  Sisyrinchium californicum Jake Ruygt 1986-4-19 1707 Napa north side of Mt. George. 310 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
  JEPS110921  Solanum americanum Jake Ruygt 1986-7-13 1880 Napa SW of Buchli Sation near countyline 1 Comment
  UCD48199  Solanum parishii Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 8 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  JEPS115758  Solanum rostratum Lowell Ahart 2009-10-27 16494 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  JEPS110919  Solanum umbelliferum Jake Ruygt 1993-4-12 3203 Napa south of James Creek Road and Butts Cany on Road. 219 Comment
  SEINET12329995  Solanum xanti var. intermedium F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -308 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 780 Comment
  SEINET9340520  Solidago californica Unknown 1993-10-3 11424 Napa Dry bottom of wash w/n Quercus druata/Cupressus macnabiana chaparral. 2.1 m SW along Knoxville-Devilhead Rd. from Knoxville-Berryessa Rd. Comment
  CAS-BOT-BC374656  Sonchus oleraceus Peter H. Raven 1954-2-22 6396 Napa Saint Helena 60 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
  CAS-BOT-BC390246  Spergularia macrotheca var. leucantha A. A. Heller 1924-4-12 13849 Napa Near one of the hot springs at Calistoga Comment
  CAS-BOT-BC390280  Spergularia macrotheca var. longistyla Rimo Bacigalupi 1926-3-27 1254 Napa Opposite Myrtledale Geyser 1 1/2 miles north of Calistoga Comment
  JEPS120394  Spergularia macrotheca var. longistyla Jake Ruygt 1982-5-19 1273 Napa Tubbs Lane at Myrtledale Road, Calistoga Comment
  CAS-BOT-BC390744  Spergularia marina John Thomas Howell 1932-10-8 10809 Napa Cuttings Wharf on Napa River Comment
  UCD99270  Spergularia marina M. Wiesendanger 1928-4-5 871 Napa near Calistoga. Comment
  SBBG4738  Sphaeralcea ambigua H. and M. Dearing 1939-4-9 3144 Napa Spring Mtn Grade Comment
  UCD148847  Stachys albens Ellen Dean; Diana Hickson 2014-4-29 8150 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 462 Comment
  RSA505701  Stachys albens Gordon H. True Jr. 1937-7-30 828 Napa Stream near Etna Springs. 366 Comment
  RSA10668  Stachys bullata Carl B. Wolf 1928-5-3 1821 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  POM196464  Stachys emersonii J. T. Howell 1926-3-20 1700 Napa Mt. St. Helena below the old tool house. 457 Comment
  CAS-BOT-BC393989  Stellaria nitens John Thomas Howell 1931-4-2 6054 Napa Wooden valley Grade 4 miles east of Napa Comment
  SBBG53024  Stellaria nitens M. R. Benedict 1978-4-18 Napa Hwy 128 on divide between Napa Valley and Russian River Valley, ca. 5 mi NW of Calistoga Comment
  UC1146700  Stellaria nitens Freed W. Hoffman 1947-3-20 839 Napa Pope Creek hillside Pope Creek; North Coast Ranges Comment
  UC127179  Stephanomeria elata Harley P. Chandler Sep 7 1906-Sep 14 1906 7129 Napa Alta Loma Ranch Howell Mountain 487 Comment
  CAS-BOT-BC375245  Stephanomeria elata Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  CDA34655  Stephanomeria virgata subsp. pleurocarpa L. Ahart 2009-10-12 16430 Napa Just above the high water line of Lake Berryessa, along the west side of Capell 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. Comment
  JEPS129047  Stephanomeria virgata subsp. pleurocarpa Jake Ruygt 2016-6-11 6281 Napa Smittle Creek, east side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD169855  Stephanomeria virgata subsp. pleurocarpa Lowell Ahart 2009-10-12 16430 Napa Along the west side of Capell Creek north of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles(air) west of Winters. 133 Comment
  UC35826  Stephanomeria virgata subsp. pleurocarpa Willis L. Jepson 1893-9-23 Napa Upper Napa Valley Napa River Basin Comment
  UCD67887  Stephanomeria virgata subsp. pleurocarpa D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Knoxville-Berryessa Road. 220 Comment
  JEPS123027  Stipa lemmonii Jake Ruygt 2002-4-17 4390 Napa North of Foss Valley, Atlas Peak, Vineyards (Antinori). Quad: Rutherford. Comment
  SEINET10893282  Stipa lepida David D. Keck 1931-4-2 Keck 1017 Napa Wooden Valley Grade, West side of Napa Range, 5 miles NE of Napa. Dry rocky openings in the chaparral. 170 Comment
  UCD169880  Stipa pulchra Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 720 Napa Knoxville Wildlife Area. 307 Comment
  CAS-BOT-BC61247  Streptanthus breweri Robert F. Hoover 1966-5-28 9879 Napa Just south of summit on Butts Canyon road from Pope Valley. Comment
  UCD160670  Streptanthus breweri Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8743 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  UC1492813  Streptanthus breweri var. breweri Freed W. Hoffman 1947-6-18 1048 Napa Conn Dam North Coast Ranges Comment
  POM143636  Streptanthus glandulosus C. F. Baker 1903-4-20 2619 Napa Mt. St. Helena. Comment
  CAS-BOT-BC87160  Streptanthus glandulosus subsp. glandulosus John H. Thomas 1955-5-21 5118 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  CAS-BOT-BC87164  Streptanthus glandulosus subsp. glandulosus Clara A. Hunt 1923-4-1 s.n. Napa Mountains near Saint Helena. Comment
  UC1063483  Streptanthus glandulosus subsp. glandulosus B. O. Schreiber 1938-4-24 2493 Napa 5.2 mi nne Napa; Napa Quadrangle, Wooden Valley Grade 274 Comment
Read comments
Jan 14 2009
  UC1278007  Streptanthus glandulosus subsp. glandulosus B. Crampton 1957-5-16 4043 Napa slopes above Capell Creek (n end of valley); Capell Valley 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
Read comments
Jun 19 2014
  UCD116013  Streptanthus glandulosus subsp. glandulosus Robert E. Preston 1988-4-10 578 Napa 0.4 mile SW of the confluence of Putah and Hunting Creeks. 268 Comment
  UCD74406  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1996-4-27 3636 b Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 384 Comment
  UC1736739  Streptanthus hesperidis Dean W. Taylor 1998-6-23 16689 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  CAS-BOT-BC87394  Streptanthus morrisonii Lawrence LaPre'; Robin Bjork 1986-7-12 s.n. Napa Headwaters of Rare Plant Canyon, an unnamed tributary of Hunting Creek. 426 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
  UCD137414  Symphoricarpos albus var. laevigatus K. Esau 1933-7-8 s.n. Napa Calistoga near Petrified Forset. Comment
  JEPS40793  Symphyotrichum spathulatum Willis L. Jepson 1893-9-24 Napa Howell Mt. Comment
  JEPS40796  Symphyotrichum spathulatum W. L. Jepson 1893-9-21 Napa Wooden Valley Comment
  JEPS40868  Symphyotrichum spathulatum Willis L. Jepson 1893-9-28 Napa Lower Napa Valley , Napa River Basin Comment
  UC521700  Symphyotrichum spathulatum Joseph Andorfer Ewan 1933-9-17 8000 Napa Napa Napa Valley Comment
  JEPS40785  Symphyotrichum subspicatum Willis L. Jepson 1894-11-7 Napa Napa City Comment
  JEPS40818  Symphyotrichum subspicatum W. L. Jepson 1894-11-7 Napa Napa City Comment
  CAS-BOT-BC221921  Taeniatherum caput-medusae Peter H. Raven 1952-5-26 4055 Napa 3 mi. e. Pope Valley P.O. on Monticello Rd. 182 Comment
  JEPS122772  Tamarix parviflora Jake Ruygt 2011-5-7 5772 Napa Pope Canyon Road, Pope Creek, west of arm of Lake Berryessa. Quad: Walter Springs. Comment
  UC126551  Tanacetum parthenium Harley P. Chandler Sep 7 1906-Sep 14 1906 7127 Napa Alta Loma Howell Mountain 487 Comment
  JEPS36852  Taraxacum officinale W. L. Jepson 1924-4-27 10384 Napa Mt. St. Helena Comment
  UCR261675  Tetrapteron graciliflorum Ann Howald 2003-4-19 2301 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 175 Comment
  UC9704  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-5-1 Napa Upper Conn Valley Napa River Basin Comment
  JEPS55128  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-4-28 Napa grade n Wooden Valley grade; Napa River Basin Comment
  UC1197483  Thermopsis californica var. californica Joseph P. Tracy 1933-4-30 12103 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  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
  UCSB7191  Thermopsis gracilis Keator, Glenn 1959-3-28 Napa About 1/2 mile above Conn's picnic grounds near Lake Hennessy, Napa range Comment
  JEPS126134  Thlaspi arvense Jake Ruygt 2003-4-14 4497 Napa Near confluence of Foley and Eticuera Creek. Knoxville 7.5' Qua. Comment
  CAS-BOT-BC66480  Thysanocarpus curvipes John Thomas Howell 1930-3-23 4575 Napa Mount Saint Helena, 5 miles from Calistoga. Comment
  CAS-BOT-BC66497  Thysanocarpus curvipes M. S. Jussel 1937-5-23 s.n. Napa Palisades. Comment
  CAS-BOT-BC66500  Thysanocarpus curvipes Alice Eastwood 1918-5-2 6875 Napa Calistoga. Comment
  CHSC43429  Thysanocarpus curvipes Lowell Ahart 1976-3-7 1028 Napa About 2 miles south-west of Monticello Dam. 152 Comment
  JEPS106588  Thysanocarpus curvipes Jake Ruygt 1992-4-3 2879 Napa Tuteur Ranch, end of Green Valley Rd. 451 Comment
  JEPS106591  Thysanocarpus curvipes Jake Ruygt 1994-3-15 3318 Napa Chiles Canyon Road about 1 mile from Chiles Valley 365 Comment
  UC1301099  Thysanocarpus curvipes Helen K. Sharsmith 1963-3-17 5208 Napa s side Mt. Atlas; San Francisco Bay Region, s side Mt. Atlas 609 Comment
  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
  CAS-BOT-BC66504  Thysanocarpus curvipes Peter H. Raven 1953-5-2 5397 Napa Summit of hills due east of Yountville. 304 Comment
  JEPS54175  Thysanocarpus curvipes W. L. Jepson 1923-4-29 9895 Napa St. Helena; Little flat on border of foothills 91 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
  UCD14242  Thysanocarpus curvipes M. A. LeFevre 1974-4-6 53 -4e Napa Along Highway 128 at Monicello Dam on Lake Berryessa. 304 Comment
  JEPS54141  Thysanocarpus laciniatus John Thomas Howell 1926-3-20 1693 Napa on road to Myrtledale Hot Springs 1 1/4 mi from Calistoga Comment
  JEPS106585  Thysanocarpus radians Jake Ruygt 1997-3-8 3803 Napa south of Butts Canyon Road intersection with James Creek Rd 210 Comment
  UCD170300  Thysanocarpus radians Daniel Potter; N Khuu, A Holland, J Poore, C Adlam 2016-3-19 840 Napa Knoxville Wildlife Area, southern portion, east of Berryessa-Knoxville Road. 232 Comment
  JEPS54220  Thysanocarpus radians W. L. Jepson 1900-3-10 534 Napa hills e St. Helena Comment
  SBBG28990  Tonella tenella D. D. Keck 1931-4-3 1066 Napa Pope Crk Cyn, 8 mi NW of Monticello Comment
  JEPS63935  Toxicodendron diversilobum W. L. Jepson 1904-5-28 2427 Napa St. Helena, Spring Mt. Creek (York Creek) Comment
  UC869555  Toxicodendron diversilobum Alice Eastwood 1922-5-4 11256 Napa Calistoga Comment
  UCD170448  Toxicoscordion fontanum Daniel Potter; Ninh Khuu 2017-5-14 920 Napa Knoxville Wildlife Area, along Nevada Creek. 317 Comment
  UCD20616  Trichostema laxum E. Dean; with M. Bibbo 2002-7-5 1163 Napa McLaughlin UC Reserve. SE reaches of Research Hill, S of parking area at jct of old 4WD road with Knoxville-Berryesa road. E and W sides of creek. 609 Comment
  JEPS112620  Trichostema oblongum Jake Ruygt 1986-6-14 1818 Napa Craters, behind Palisades 719 Comment
  UCD166644  Trichostema oblongum Jake Ruygt 1989-6-17 2371 Napa Bear Valley. 630 Comment
  UC160916  Trifolium albopurpureum var. albopurpureum Joseph P. Tracy 1902-5-15 1482 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); North Coast Ranges, Howell Mtn 365 Comment
  JEPS106691  Trifolium albopurpureum var. dichotomum Jake Ruygt 1995-4-17 3427 Napa end of Niebaum Rd., Bear Canyon. 103 Comment
  UC160915  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1902-5-18 1542 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 518 Comment
  UC162842  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1902-5-15 1456 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 457 Comment
  UC16498  Trifolium albopurpureum var. dichotomum Edw. L. Greene Apr. 1892 Napa W. St. Helena Comment
  UCD107886  Trifolium bifidum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  UCD18152  Trifolium bifidum Jean Shepard; with Plant Biology 102 class 2000-4-29 190 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
  UCD170669  Trifolium bifidum var. bifidum 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 160 Comment
  UCD83439  Trifolium bifidum var. decipiens Jake Ruygt 2005-3-28 4728 Napa Berryessa-Knoxville Rd., between Spanish Flat and Lake Berryessa Marina. 146 Comment
  UCD83440  Trifolium bifidum var. decipiens Jake Ruygt 1996-5-13 3677 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 466 Comment
  UC188495  Trifolium depauperatum var. depauperatum Edw. L. Greene 1895-4-1 Napa Napa Valley Comment
  UC165570  Trifolium depauperatum var. stenophyllum H. P. Chandler 1907-4-21 7522 Napa side of summit Comment
  JEPS65737  Trifolium depauperatum var. truncatum W. L. Jepson 1915-4-23 6244 Napa Conn Valley Napa Range Comment
  UCD83444  Trifolium dubium Jake Ruygt 1991-6-10 2714 Napa Lake Henne, Friesen's Lakes. 553 Comment
  JEPS106826  Trifolium fragiferum Jake Ruygt 1983-6-21 1336 Napa Suscol plain, north west side of Kaiser 3 Comment
  JEPS106806  Trifolium fucatum Jake Ruygt 1982-5-8 1228 Napa American Canyon Rd. north side of road 121 Comment
  JEPS65868  Trifolium fucatum Willis L. Jepson 1893-4-25 13721 Napa w St. Helena (trail to Caux's Cabin); Napa River Basin Comment
  JEPS65876  Trifolium fucatum W. L. Jepson 1915-4-23 6256 Napa Conn Valley Comment
  UCD109759  Trifolium gracilentum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  UCD83447  Trifolium gracilentum Jake Ruygt 1998-3-29 3899 Napa Suscol Ridge overlooking Jameson Canyon. 158 Comment
  JEPS21829  Trifolium incarnatum Margaret Whitmore 1958-3-23 22 Napa 1 mi n Napa (on Atlas Peak Rd) 15 Comment
  JEPS106710  Trifolium microcephalum Jake Ruygt 1980-5-3 867 Napa Oat Hill Mine Rd. at Twin Peaks 755 Comment
  UCD159935  Trifolium microcephalum Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD111441  Trifolium microcephalum P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UCD83411  Trifolium microcephalum Jake Ruygt 1982-4-7 1172 Napa Suscol Hill. 24 Comment
  UCD109177  Trifolium microdon R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  UCD83423  Trifolium oliganthum Jake Ruygt 2003-5-17 4526 Napa Devil's Canyon, NW of 'The Crags' area of Archer Taylor Preserve. 603 Comment
  JEPS106831 Image available Trifolium striatum Glenn Clifton 1993-5-11 28157 Napa Suscol Creek, east side of Hwy 221. 48 Comment
  CDA4314  Trifolium subterraneum T. C. Fuller 1958-5-1 3725 Napa Matheson property, 2092 Los Amigos Road, Napa. 0 Comment
  UC1103455  Trifolium variegatum Joseph P. Tracy 1902-5-17 1523 1/2 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 457 Comment
  UCD109430  Trifolium variegatum R. Tofsrud 1951-5-20 s.n. Napa Yountville cemetery. Comment
  UCD109432  Trifolium variegatum R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  UC160947  Trifolium variegatum var. melananthum Joseph P. Tracy 1902-5-26 1633 Napa near Calistoga; Napa Valley 91 Comment
  UC1300877  Trifolium variegatum var. variegatum Helen K. Sharsmith 1963-4-20 5329 Napa 4 mi s Napa (off of Kelly Rd) Comment
  HSC2110  Trifolium willdenovii C. B. Wolf 1928-5-3 1785 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  JEPS106688  Trifolium willdenovii Jake Ruygt 1989-4-8 2251 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 377 Comment
  JEPS4145  Trifolium willdenovii Willis L. Jepson 1893-5-2 13673 Napa e Calistoga (Pope Valley grade); Napa River Basin Comment
  UCD48992  Trifolium willdenovii K. Mogel; B. Pekin and M. Higley 2002-5-4 6 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 300 ft. along the lower road that leads to the power lines; 20 ft. upslope of road. 320 Comment
  JEPS4379  Trifolium willdenovii Willis L. Jepson 1893-4-27 13674 Napa near Yountville; Napa River Basin Comment
  POM18839  Trifolium willdenovii C. F. Baker 1903-4-19 1992 Napa Calistoga. Comment
  POM18840  Trifolium willdenovii C. F. Baker 1903-4-19 1989 Napa Calistoga. Comment
  UCD109875  Trifolium willdenovii Helen K. Sharsmith 1963-3-17 5230 Napa Along Silverado Trail. 76 Comment
  UCD109894  Trifolium willdenovii R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  UC672070  Trillium albidum Herbert L. Mason 1926-3-22 2796 Napa Petrified Forest Comment
  UCD67357  Trillium chloropetalum G. F. Hrusa 1996-5-4 s.n. Napa Shaded canyon below Cub Valley on MonteSol Ranch. Summit of Palisades SE of Mount St. Helena. 609 Comment
  JEPS113980  Trillium ovatum subsp. ovatum Jake Ruygt 1997-3-23 3816 Napa Devil's Canyon, about 1/2 mile upstream Taylor picnic area. Sonoma 7.5' Quad. Comment
  JEPS106582  Triodanis biflora Jake Ruygt 1987-6-5 2028 Napa Wild Horse Valley Ranch near White Creek 402 Comment
  JEPS129160  Triphysaria eriantha Jake Ruygt 2015-3-28 6056 Napa Upper Bohn Lake. Aetna Springs 7.5' Quad. Comment
  JEPS74865  Triphysaria eriantha subsp. eriantha T. I. and F. M. Chuang 1975-5-4 7510 Napa 5.7 mi e Pope Valley; e of Pope Valley Comment
  UCD48230  Triphysaria eriantha subsp. eriantha J. Waggoner; E. Anderson, L. Lina, A. Miles, and R. Wenk 2000-4-22 27 Napa Napa County, California. McLaughlin Reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  UC1301205  Triphysaria pusilla Helen K. Sharsmith 1963-4-20 5327 Napa off of Kelly Road 4 mi s Napa; San Francisco Bay Region 45 Comment
  JEPS129112  Triphysaria versicolor subsp. faucibarbata Jake Ruygt 2015-5-19 6104 Napa Atlas Peak Road Circle R (S) Ranch. Yountville 7.5' Quad. Comment
  RSA739593  Triphysaria versicolor subsp. faucibarbata John Dittes 2003-4-5 2003 -10 Napa Inner N Coast Range, Napa Valley, 1.6 air miles N by NW of Calistoga City Hall, 0.9 air mile NW of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Raod and Tubbs Lane. 122 Comment
  JEPS74861  Triphysaria versicolor subsp. faucibarbata T. I. and F. M. Chuang 1975-5-4 7502 Napa on highway 29, 4.2 mi s Napa Comment
  UC1301195  Triphysaria versicolor subsp. faucibarbata Helen K. Sharsmith 1963-4-20 5326 Napa off of Kelly Road 4 mi s Napa; San Francisco Bay Region 45 Comment
  UCD123417  Triphysaria versicolor subsp. faucibarbata Beecher Crampton 1950-5-7 570 Napa south of Yountsville, Napa Valley. 45 Comment
  UCD160785  Triteleia hyacinthina Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8665 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 493 Comment
  UCD18074  Triteleia laxa Ellen Dean; with Plant Biology 102 class 2000-4-22 629 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  UCD139379  Triteleia laxa Alan P. Godlewski 1974-5-3 10 Napa west of Lake Berryessa, 800 yards from Highway 128. Comment
  UCSB826  Triteleia laxa Keator, Glenn 1958-6-16 Napa Just east of Lake Hennessy, Napa range Comment
  UCD148740  Triteleia peduncularis Jake Ruygt 1980-6-7 925 Napa Napa County; 2.5 miles south of Berryessa Knoxville Rd. on Devilhead Rd. 432 Comment
  UCD161689  Triteleia peduncularis Jake Ruygt 2009-5-22 5412 Napa American Canyon, across road from quarry. 85 Comment
  CDA15405  Umbellularia californica G. F. Hrusa 1997-2-3 13618 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
  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
  UC1196279  Umbellularia californica Joseph P. Tracy 1933-4-30 12084 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
  UC9874  Umbellularia californica Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  UCR12034  Umbellularia californica Coleta A. Lawler 1964-3-24 15 Napa Redwood Road, just west of junction with Browns Valley Road. 8 Comment
  UC36689  Uropappus lindleyi Willis L. Jepson 1894-5-1 Napa Conn Valley , Conn Valley (Napa River Basin) Comment
  UCD63169  Uropappus lindleyi Jake Ruygt 1979-4-6 482 Napa 0.3 miles east of Butts Canyon Rd. on Snell Valley Rd. 207 Comment
  CAS-BOT-BC526976  Urtica dioica subsp. holosericea Dennis W. Woodland 1970-8-13 1616 Napa 0.1 mi N of Anguinon Pope Valley Rd Comment
  CAS-BOT-BC526977  Urtica dioica subsp. holosericea Dennis W. Woodland 1970-8-13 1615 Napa About 100 yds E of bridge, a junction of Petrified Forest Road and Hwy 128, 1 mi N of Calistoga Comment
  JEPS43440  Urtica dioica subsp. holosericea W. L. Jepson 1894-11-7 Napa below Napa City Comment
  CDA11154  Vaccinium ovatum G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11565 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa. above Sarco Creek. Comment
  UCD124633  Verbascum thapsus Beecher Crampton 1962-10-9 6702 Napa 1.25 miles southwest of Angwin, Howell Mtn. Road. Conn Creek. Comment
  JEPS115752  Veronica catenata Lowell Ahart 2009-10-12 16452 Napa Below the high water line of Lake Berryessa, along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Wint 133 Comment
  JEPS66207  Vicia benghalensis W. L. Jepson 1944-5-21 27526 Napa 8 mi n Napa (e side of Napa Valley); Napa Valley Comment
  JEPS126084  Vicia faba Jake Ruygt 1994-3-12 3411 Napa Buchli Station Road about 0.1 mile south of Duhig Road. Cuttings Wharf 7.5' Qua. Comment
  RSA195308  Vicia sativa Gilbert Muth 1967-4-28 652 Napa Spring Mountain Road, St. Helena. Comment
  JEPS106539  Vicia sativa subsp. nigra Jake Ruygt 1996-4-6 3551 Napa near ridgetop, sout of Rector Dam. 243 Comment
  UCD49040  Vicia sativa subsp. nigra L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 4 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the East side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  UCD168549  Vicia villosa 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
  UCD170735  Vicia villosa 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 135 Comment
  UCD48237  Viola douglasii A. Ryan; S. Burgess, A. Hufton, J. Pierner, and B. Takahashi 2000-4-29 19 Napa McLaughlin Reserve, Southwest side of Hunting Creek, on east-facing slope of 'Research Hill'. 655 Comment
  SEINET5728582 Image available Viola douglasii M. R. Gardner 1967-1 20 Napa 1 mi. SE of Pope Valley.; Pope Valley 213 Comment
  CDA11439  Viola lobata G. F. Hrusa, M. Tu 1995-5-6 12162 Napa North Coast Biodiversity Arena; Summit of Howell Mtn. in Las Posadas State Forest, vicinity of fire station. Comment