Search Results — 2000 specimen records retrieved (1469 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC370333  Abutilon theophrasti Mrs. U. C. Jolley Sep 1928 Napa Napa Comment
  UC1719703  Acacia dealbata Barbara Ertter with Jake Ruygt 1996-4-25 14600 Napa Kroeber Ranch on NE flank of Mt. St. John, W of Rutherford in Napa Valley Comment
  CAS-BOT-BC331520  Acer macrophyllum Ira L. Wiggins 1928-3-25 2886 Napa 1.5 mi. NE of Calistoga Comment
  CAS-BOT-BC331523  Acer macrophyllum Elsa G. Ruckert 1960-4-24 114 Napa 6495 Dry Creek Road, at gate 365 Comment
  CDA11424  Acer macrophyllum G. F. Hrusa, M. Tu 1995-5-6 12147 Napa North Coast Biodiversity Arena; along tributary of Schwartz Creek approx. 1.5 m. above Aetna Springs Comment
  SEINET3477393  Acer macrophyllum Unknown 1965-8-23 7492 Napa Moskowite Corners, Moskowite Corners, 2.5 miles east, state highway 128 Comment
  UCD148566  Acer macrophyllum Jake Ruygt 1976-4-15 9 Napa Napa County; 0.5 miles north of Angwin on Howell Mt. Road. 512 Comment
  UCSB19170  Acer macrophyllum Rankine, Jane 1965-4-13 Napa 3 miles west of pope Valley on the road between rope Valley and Anqwin Comment
  UCD18011  Achillea millefolium Ellen Dean; with Plant Biology 102 class 2001-4-28 743 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At entrance gate to Reserve, along path that goes to the NE from gate. 371 Comment
  UCD148098  Achyrachaena mollis Jake Ruygt 1977-4-24 194 Napa Napa County; Butts Canyon Rd. west of Pope Valley Elementary School. 213 Comment
  UCD128388  Achyrachaena mollis H. E. Cott 1949-5-8 A 111 Napa State Highway 37, ca. 10 miles south of junction with State Highway 128. Comment
  UCD103787  Acmispon americanus var. americanus K. Esau; E. Hyde 1938-5-25 s.n. Napa location unknown. Comment
  UCD104055  Acmispon brachycarpus K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  UCD118567  Acmispon brachycarpus Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 8 Napa Las Posadas State Experimental Forest. NE of fire station ca. 0.1 mi. on undeveloped road on S side of road. 518 Comment
  UCD16011  Acmispon brachycarpus L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 8 Napa McLaughlin Reserve, McLaughlin Reserve, east side of Devilhead Road 38 deg. 49' 14'' N, 122 deg. 21 12'' W; 540 m. Comment
  UCD75710  Acmispon strigosus Jake Ruygt 1980-4-1 965 Napa Stags Leap. 213 Comment
  UCD148810  Acmispon wrangelianus Ellen Dean; Diana Hickson 2014-4-29 8117 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD48952  Acmispon wrangelianus L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 21 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along North Decker Canyon Rd., 70-100 ft. N of stream. 182 Comment
  CDA10859  Adenostoma fasciculatum G. F. Hrusa, M. Rejmanek 1993-5-15 10954 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS44791  Adenostoma fasciculatum W. L. Jepson 1904-6-3 2448 Napa Howell Mt. 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
  RSA60347  Aesculus californica G. R. Campbell 1948-6-18 660 Napa 10 miles south of Montecello. Comment
  SEINET1908051  Aesculus californica Richard R. Halse 1989-1 3831 Napa Along State Hwy. 29, 2.7 miles north of Calistoga; on the Calistoga Grade 240 Comment
  UCD136678  Aesculus californica David Lawfer 1952-5-4 161 Napa Napa. Comment
  UCD49075  Aesculus californica M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 6 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines. 20 ft. W of lat./long. position. Along second bend of the road. 30 ft. E of power lines. 304 Comment
  CAS-BOT-BC29640  Agoseris grandiflora var. grandiflora Rimo Bacigalupi 1928-6-20 1863 Napa Howell Mt, 10 miles W of St Helena Comment
  CAS-BOT-BC15371  Agoseris grandiflora var. leptophylla Peter H. Raven 1952-5-31 4123 Napa Hills southwest of Rector Canyon 152 Comment
  CAS-BOT-BC22757  Agoseris heterophylla John H. Thomas 1955-5-21 5178 Napa Near state highway 128 and Capell Creek, about 12 miles E of St. Helena 274 Comment
  JEPS104520  Agoseris heterophylla Jake Ruygt 1981-4-25 1002 Napa Table Mountain 621 Comment
  JEPS104521  Agoseris heterophylla Jake Ruygt 1992-5-7 2938 Napa south of Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  JEPS104537  Agoseris heterophylla Jake Ruygt 1993-4-12 3197 Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  UCD128604  Agoseris heterophylla Heidi E. M. Dobson 1978-6-20 344 Napa East slope of Mt. Veeder. Comment
  UCD17974  Agoseris heterophylla Ellen Dean; Kate Mawdsley 2001-4-9 693 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UCD63192  Agoseris heterophylla Jake Ruygt 1991-5-18 2675 Napa Fawn Lake, Friesen's Lakes, Angwin. 597 Comment
  CAS-BOT-BC22749  Agoseris heterophylla Frank Walton Gould 1939-4-7 619 Napa One miles north of Knowville on road to Lower Lake 457 Comment
  UC194724  Agoseris hirsuta C. F. Sonne Apr 1888 Napa Comment
  UCD51702  Agrostis elliottiana Joseph P. Tracy 1950-5-23 18671 Napa La Jota Plateau, on hills at head of Moore's Creek, 3-4 miles east of Angwin's, Howell Mountain. 518 Comment
  UC187235  Agrostis exarata Joseph P. Tracy 1905-7-6 2228 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UCD19918  Agrostis exarata E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 774 Napa Quail Ridge Reserve. Decker Canyon, along S. Decker Canyon trail, just N of Cut-Off Rd. along drainage that runs NE of trail. 167 Comment
  UCD52141  Agrostis exarata Beecher Crampton 1958-11-6 5136 Napa above Capell Creek, north end of Capell Valley. Comment
  UC1059033  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa 2 mi n Calistoga; meadow from waters supplied by Myrtledale Hot Springs Comment
  UCD53015  Agrostis microphylla Beecher Crampton 1962-5-8 6415 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  CAS-BOT-BC139014  Agrostis pallens Peter H. Raven 1950-6-20 2354 Napa In the Napa Range between Conn Valley and Howell Mountains. Comment
  RSA40170  Agrostis pallens J. T. Howell 1943-6-19 18236 Napa Hills southwest of St. Helena Comment
  RSA653983  Agrostis pallens Beecher Crampton 1956-5-25 3479 Napa eastern slope of Howell Mountains, above Wooden Valley. Comment
  UCD73507  Agrostis pallens Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC1158113  Aira caryophyllea Joseph P. Tracy 1950-5-23 18668 Napa La Jota Plateau Northern Coast Ranges, Howell Mountain 518 Comment
  JEPS110932  Alisma plantago-aquatica Jake Ruygt 1978-5-15 315 Napa east end of Cunard St., Napa 6 Comment
  RSA92784  Alisma triviale Peter H. Raven 1950-7-4 2470 Napa Along railroad, Yountville. Comment
  UC1585992  Allium amplectens Barbara Ertter with Annetta Carter 1989-5-28 8516 Napa on Berryessa Rd. 2 mi se Lake Co. Line (near Knoxville) 609 Comment
Read comments Jan 14 2009
  CAS-BOT-BC461085  Allium amplectens Lester Rowntree 1938-5-16 s.n. Napa Alta Peack [Atlas Peak?], near Napa Comment
  CAS-BOT-BC461086  Allium amplectens Alice Eastwood 1915-6-6 4679 Napa Mount Saint Helena Comment
  JEPS47556  Allium amplectens W. L. Jepson 1938-5-18 18791 Napa slope above St. Helena Sanitarium; Howell Mt. Comment
  JEPS110939  Allium cratericola Jake Ruygt 1979-4-14 515 Napa Oat Hill Mine Road, Twin Peaks 694 Comment
  CAS-BOT-BC466762  Allium cratericola David D. Keck 1931-4-4 1090 Napa The Crater Country, 3.5 miles SE. from summit of Mt. St. Helena, northern Napa County Comment
  UC3081  Allium falcifolium Willis L. Jepson 1894-5-1 Napa Upper Conn Valley Comment
  CAS-BOT-BC469025  Allium falcifolium John Morrison; Annetta Carter 1938-4-24 1355 Napa 0.6 miles west of Knoxville on road from Monticello to Lower Lake. Comment
  CAS-BOT-BC469026  Allium falcifolium John Morrison; Annetta Carter 1938-4-24 1355 Napa 0.6 miles west of Knoxville on road from Monticello to Lower Lake. Comment
  SEINET8122134  Allium falcifolium W. Roderick 1967-5-7 s.n. Napa Butts Canyon. 457 Comment
  UC353887  Allium falcifolium Milo S. Baker 1927-5-1 2147 a Napa Calistoga-Middletown Hiway 3 or 4 mi n Toll House 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
  UCD20505  Allium fimbriatum var. fimbriatum E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1078 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  RSA123161  Allium fimbriatum var. fimbriatum B. O. Schreiber 1938-4-24 2507 Napa 1/2 mile northwest of Knoxville. 610 Comment
  UCD148577  Allium serra Jake Ruygt 2005-5-9 4821 Napa Napa County; Knoxville Wildlife Area, west side of Berryessa Knoxville Rd. 420 Comment
  UCD170359  Allium serra Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 858 Napa Knoxville Wildlife Area, north of Nevada Creek. 480 Comment
  CAS-BOT-BC475559  Allium serra Alice Eastwood 1930-4-13 17927 Napa Canon between Monticello and Pope Valley Comment
  UCD159904  Allophyllum gilioides Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. East section, west of Q48. 243 Comment
  JEPS101646  Allophyllum gilioides subsp. violaceum Dean W. Taylor 1998-6-23 16700 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  POM262798  Allotropa virgata J. C. Roos 1939-5-7 298 Napa Ink Grade near Angwin, Napa Range. 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
  JEPS123022  Alopecurus pratensis Jake Ruygt 1998-4-18 3910 b Napa Pope Canyon Road north of Hardin Road intersection. Quad: Saint Helena. Comment
  JEPS129105  Alopecurus pratensis Jake Ruygt 2016-4-12 6186 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  JEPS129122  Alopecurus saccatus Jake Ruygt 2015-5-2 6086 f Napa West of Buck Mountain near Nevada Creek. Knoxville 7.5' Quad. Comment
  CHSC102537  Amaranthus albus Lowell Ahart 2009-10-27 16473 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  UCD148568  Amaranthus blitoides Jake Ruygt 2001-10-22 4347 Napa Napa County; Dry Creek at Solano Avenue. 28 Comment
  JEPS54296  Amaranthus californicus W. L. Jepson 1930-10-19 15683 Napa Conn Creek Napa Valley 45 Comment
  CHSC102520  Amaranthus retroflexus Lowell Ahart 2009-10-12 16471 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD148571  Amaranthus retroflexus Jake Ruygt 1986-7-12 1877 Napa Napa County; Napa River west of Junior College. 3 Comment
  CDA12096  Amelanchier utahensis G. F. Hrusa 1989-4-24 5931 Napa North Coast Biodiversity Arena; Edge of Pope Creek where Pope Creek Rd. crosses creek. Comment
  JEPS16028  Ammi majus W. L. Jepson 1920-7-12 9066 Napa Salvador School n. Napa (near Napa R.) Comment
  CAS-BOT-BC177210  Amorpha californica var. napensis Peter H. Raven 1951-8-19 3845 Napa Near Lokoya 487 Comment
  UC1199060  Amorpha californica var. napensis Joseph P. Tracy 1933-6-2 12467 Napa 5 mi e Angwin's (hills at head of Moore's Creek); Howell Mountain 457 Comment
  UC1199061  Amorpha californica var. napensis Joseph P. Tracy 1933-6-2 12467 1/2 Napa 5 mi e Angwin's (hills at head of Moore's Creek); Howell Mountain 457 Comment
  CDA27221  Ampelodesmos mauritanicus G. F. Hrusa 2000-7-26 15683 Napa North Coast Biodiversity Arena; Old Toll House Rd. at SW base of Mt. St. Helena, approx. 1/2 mi. S of Hwy 29. Sheet 2 of 3. Comment
  JEPS123020  Ampelodesmos mauritanicus Jake Ruygt 1993-11-29 3293 Napa Approximate 2.5 miles NE of Silverado Trail on Lawly Toll Road. Quad: Detert Reservoir. Comment
  CDA31393  Ampelodesmos mauritanicus William J. Ferlatte, M. J. Foskett 1975-7-23 Napa Old Toll Road, north of Calistoga. 0 Comment
  UC1191080  Amsinckia eastwoodiae H. E. Parks April 1952 44 Napa near Calistoga (foot of Mount St. Helena); Mount St. Helena 152 Comment
  JEPS20860  Amsinckia intermedia W. L. Jepson 1915-4-23 6253 Napa Coun Valley; Napa Range, Coun Valley Comment
  JEPS61162  Amsinckia intermedia Elsa Kraeger 1926-3-27 Napa roadside near Soscol Comment
  UCD170186  Amsinckia menziesii Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 771 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 402 Comment
  UC1178212  Amsinckia menziesii var. menziesii S. Galen Smith 1951-4-15 Napa along Silverado Trail Comment
  UCD48076  Anagallis arvensis S. Olmsted; M. Atamian, R. Brush, M. Furuyama, C. Owens 2000-4-29 03 Napa Yolo Co, 1 mile north of Knoxville as the crow flies, 300 m east of an old dirt road that intersects the Yolo/Napa Co line. 640 Comment
  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
  UCD55443  Angelica californica Beecher Crampton 1961-6-12 5907 Napa 8 miles northeast Napa along State Hwy. 37, Howell Mountains. Comment
  UCD126260  Angelica tomentosa G. F. Hrusa; R. Gross 1996-6-30 13071 Napa along Ida Clayton Rd on Foote Ranch. 700 Comment
  UCD126261  Angelica tomentosa G. F. Hrusa; R. Gross 1996-6-30 13071 Napa along Ida Clayton Rd on Foote Ranch. 700 Comment
  UCD127188  Angelica tomentosa Joseph M. DiTomaso 1980-9-9 1981 Napa north side of Mt. St. Helena at 48.45 mile mark on Highway 29, 10.6 miles north of Calistoga.. 609 Comment
  RSA0000647  Angelica tomentosa var. elata W. L. Jepson 1895-8-30 13484 Napa Upper Napa Valley. Napa River Basin. Near Calistoga. Comment
  RSA517  Angelica tomentosa var. tomentosa J. T. Howell 1927-8-24 689 Napa Butte Valley, Napa Range Comment
  CAS-BOT-BC273162  Anisocarpus madioides Jean Fottrell 1906-7-1 s.n. Napa Napa redwoods Comment
  CAS-BOT-BC84722  Anthemis cotula Peter H. Raven 1950-6-20 2356 Napa In the Napa Range between Conn Valley & Howell Mtn. Comment
  UCD129076  Anthemis cotula Andreas Stohr 1996-5-12 13 Napa along road 128 about 5 miles west of Davis. 120 Comment
  UCD56244  Anthoxanthum odoratum A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3538 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  JEPS14068  Anthriscus caucalis W. L. Jepson 1936-6-2 17603 Napa e of St. Helena (thickets on bank of Napa River, near bridge on road to St. Helena Sanitarium); Napa River Comment
  JEPS14070  Anthriscus caucalis W. L. Jepson 1936-6-2 17603 Napa e of St. Helena (thickets on bank of Napa River, near bridge on road to St. Helena Sanitarium); Napa River Comment
  UCD168539  Anthriscus caucalis Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  JEPS100865  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Dean W. Taylor 2000-6-29 17475 Napa Zim Zim Creek, canyon about 2.5 miles up from confluence of Eticuera Creek and Berryessa-Knoxville Road 259 Comment
  SD120898  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-8-11 335 Napa banks along valley of Pope Creek at end of Barnett road 195 Comment
  UCD160733  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Ellen Dean 2015-5-23 8785 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  CAS-BOT-BC237921  Antirrhinum virga John Thomas Howell 1926-10-3 2197 Napa Summit of Mt. St. Helena Comment
  RSA653989  Apiastrum angustifolium Beecher Crampton 1956-5-25 3451 Napa Vaca Mountains, Martley Canyon, along new road from Monticello Dam to Napa Comment
  UCD36935  Apiastrum angustifolium Beecher Crampton 1956-5-25 3451 Napa Vaca Mountains, Markley Canyon, along new road from Monticello Dam to Napa. Comment
  UC1537514  Apocynum androsaemifolium Gordon H. True Jr. 1937-6-21 735 Napa near Lokoya Lodge Lokoya Lodge 365 Comment
  UCD161349  Apocynum androsaemifolium Jake Ruygt 1986-6-28 1843 Napa Mt. St. Helena along Highway 29, mile 45.93. (Coordinates estimated by label maker at UC Davis). 640 Comment
  UC1196199  Aquilegia eximia Joseph P. Tracy Jul 2 1899-Jul 5 1899 353 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt. Comment
  UC765745  Aquilegia eximia R. F. Hoover 1938-9-23 3865 Napa canyon of South Fork Butts Creek Comment
  UC1125888  Aquilegia formosa B. Schreiber 1936-5-3 2203 Napa 1.2 mi w Calistoga; Calistoga quad 152 Comment
  UCD95543  Aquilegia formosa R. H. Miller 1949-5-8 46 Napa Beside Highway 37, about 10 miles northeast of Napa. Comment
  POM161354  Aquilegia formosa var. truncata Rimo Bacigalupi 1928-6-20 186 Napa Howell Mt, 10 miles W of St Helena 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
  JEPS66577  Arbutus menziesii W. L. Jepson 1937-4-10 18001 Napa Howell Mountain, Adam and Eve Ridge Adam and Eve Ridge; Howell Mountain, Adam and Eve Ridge Comment
  LA41461  Arbutus menziesii J. A. Ewan; 1933-9-17 8003 Napa Mt. Saint Helena, near Stevenson monument Comment
  SEINET7258058  Arbutus menziesii A. Woods s.n. Napa St. Helena Comment
  CAS-BOT-BC24158  Arctostaphylos Alice Eastwood; John Thomas Howell 1937-4-4 3830 Napa Rocky slope, Wooden Valley grade E of Napa Comment
  UC1121471  Arctostaphylos A. E. Wieslander 1939-8-27 990 Napa 2 mi e Gordon Valley; Napa Quadrangle Comment
  UC549537  Arctostaphylos J. E. Adams 1934-3-10 643 Napa Mt. St. Helena Comment
  JEPS38624  Arctostaphylos canescens W. L. Jepson 1913-4-15 5311 Napa La Jota Plateau Howell Mountain Comment
  CAS-BOT-BC23953  Arctostaphylos canescens subsp. canescens John Thomas Howell 1926-10-3 2199 Napa Summit of Mt. St. Helena Comment
  CAS-BOT-BC23955  Arctostaphylos canescens subsp. canescens Carl B. Wolf 1928-5-4 1859 Napa Upper slopes of Mt. St. Helena Comment
  CAS-BOT-BC23980  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11115 Napa Mt. St. Helena Comment
  CAS-BOT-BC23995  Arctostaphylos canescens subsp. canescens Katharine Brandegee May 18. s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC24025  Arctostaphylos canescens subsp. canescens Alice Eastwood; John Thomas Howell 1937-4-4 3829 Napa Wooden Valley Grade east of Napa Comment
  POM125382  Arctostaphylos canescens subsp. canescens Alice Eastwood 1923-5-9 11758 Napa Mount St. Helena Comment
  RSA40453  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12271 Napa Near summit Mt. St. Helena. Comment
  UC763159  Arctostaphylos canescens subsp. canescens R. F. Hoover 1941-4-27 4947 Napa e side Mt. St. Helena Comment
  UCD148753  Arctostaphylos canescens subsp. sonomensis Jake Ruygt 2010-4-7 5497 Napa Napa County; Archer Taylor Preserve, south of Bismark Knob. 704 Comment
  CDA11263  Arctostaphylos crustacea G. F. Hrusa, G. L. Webster, J. M. Tucker 1994-10-29 11918 Napa North Coast Biodiversity Arena; Mt. George Napa Land Trust Reserve. Comment
  CAS-BOT-BC24863  Arctostaphylos glandulosa subsp. cushingiana Gertrude Raven Hardman 1967-12-25 s.n. Napa Pope Valley Comment
  CAS-BOT-BC24865  Arctostaphylos glandulosa subsp. cushingiana Lewis S. Rose 1964-4-2 64016 Napa 2 mi. sw. of Angwin. 243 Comment
  RSA10632  Arctostaphylos glandulosa subsp. cushingiana C. B. Wolf 1928-5-4 1859 Napa Upper slopes of Mount St. Helena. Comment
  CAS-BOT-BC23146  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1922-5-5 11297 Napa Mt. St. Helena Comment
  CAS-BOT-BC23150  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1915-6-7 4703 Napa Mt. St. Helena Comment
  JEPS49565  Arctostaphylos glandulosa subsp. glandulosa W. L. Jepson 17996 Napa Adam-and-Eve Ridge Howell Mtn. Comment
  JEPS68363  Arctostaphylos glandulosa subsp. glandulosa L. R. Heckard 1972-6-26 2997 Napa rocky flat near radar station (se of lookout on top of mt.); Mt. St. Helena 1219 Comment
  POM180779  Arctostaphylos glandulosa subsp. glandulosa J. T. Howell 1930-7-13 5351 Napa On the edge of the Crater Country' Comment
  UCD73420  Arctostaphylos glandulosa var. glandulosa Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CHSC23436  Arctostaphylos manzanita Robert A. Schlising; Glenn Keator 1962-1-25 2024 Napa California Coast Ranges. NW corner Napa County. Mt. Saint Helena Comment
  POM367347  Arctostaphylos manzanita H. de Forest 1930-3-23 14613 Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  RSA633049  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24806 Napa On southeast side of Mt. St. Helena. 810 Comment
  UC876434  Arctostaphylos manzanita Alice Eastwood and John Thomas Howell 1937-4-4 3830 Napa e Napa; Wooden Valley Grade 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
  UCSB30736  Arctostaphylos manzanita Kelly, Michael 1975-3-24 Napa On right side of the road; 10 miles east of the intersection of Hwy. 129 and 29; across from Lake Berryessa 609 Comment
  SEINET11977791  Arctostaphylos manzanita Unknown 1852-1 452 Napa no further locality Comment
  SEINET11987318  Arctostaphylos manzanita J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4179 Napa Strybing Arboretum, Golden Gate Park, San Francisco, orig. from NE of Napa Comment
  CAS-BOT-BC38914  Arctostaphylos manzanita subsp. elegans J. W. Stacey 1922-3-1 s.n. Napa Mountains of Napa Co. Comment
  RSA7411  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena Comment
  CAS-BOT-BC24282  Arctostaphylos manzanita subsp. manzanita Willis Linn Jepson 1896-2-23 s.n. Napa Howell Mt. Napa River Basin. Comment
  CAS-BOT-BC24284  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-8-27 11633 Napa Sage Canyon, Napa Range. Comment
  CAS-BOT-BC38729  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-4-2 10952 Napa Serpentine ridge, 2 miles e. of Occidental Comment
  CAS-BOT-BC38762  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-9-3 7948 Napa Mt. St. Helena Comment
  CAS-BOT-BC38764  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-7-13 5352 Napa Chaparral on the edge of the Crater Country Comment
  JEPS38708  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1898-1-4 14715 Napa Howell Mt. Howell Mt. (near type locality) Comment
  SBBG19111  Arctostaphylos manzanita subsp. manzanita E. R. Blakley 1956-12-23 2035 Napa 5 mi S of Pope Valley 243 Comment
  UC1005686  Arctostaphylos manzanita subsp. manzanita Frank W. Gould 1939-4-6 593 Napa 5 mi e Napa (just n of Mt. George) 228 Comment
  UC21835  Arctostaphylos manzanita subsp. manzanita Mrs. D. O. Hunt 1899-2-11 Napa St. Helena Comment
  UCD82605  Arctostaphylos manzanita subsp. manzanita Ellen Dean; T. Starbuck 2009-5-4 5543 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  CAS-BOT-BC43836  Arctostaphylos stanfordiana Willis L. Jepson 1896-2-22 s.n. Napa La Jota Plateau, Howell Mt., Napa River Basin Comment
  CAS-BOT-BC43840  Arctostaphylos stanfordiana Alice Eastwood 1922-3-25 11088 Napa Calistoga Comment
  CAS-BOT-BC43856  Arctostaphylos stanfordiana Alice Eastwood 1923-5-9 11762 Napa Mt. St. Helena Comment
  CAS-BOT-BC43863  Arctostaphylos stanfordiana Alice Eastwood 1915-6-7 4696 Napa Mt. St. Helena Comment
  CAS-BOT-BC43865  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 1/2 mi. west of aetna Springs. Comment
  HSC7716  Arctostaphylos stanfordiana L. S. Rose 1964-4-2 64015 Napa 2 miles W of Angwin 244 Comment
  SJSU5727  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi SW of Angwin 243 Comment
  UC193330  Arctostaphylos stanfordiana C. C. Parry April 1888 Napa Calistoga Comment
  UC571224  Arctostaphylos stanfordiana H. L. Mason 1925-1-22 1202 Napa Wooden Valley Grade Comment
  UC876543  Arctostaphylos stanfordiana Lewis S. Rose 1937-4-4 37019 Napa 8 mi ne Napa; Wooden Valley Grade 274 Comment
  UC876544  Arctostaphylos stanfordiana Lewis S. Rose 1939-4-16 39071 Napa 4 mi ne Napa 198 Comment
  UCD53853  Arctostaphylos stanfordiana W. L. Jepson 1937-4-9 17 997 Napa On a cross-rift or rock traverse 1/4 mile below summit; Adam-and-Eve Ridge; Howel Mountain. Comment
  UCR58383  Arctostaphylos stanfordiana Walter Knight, I. Knight 1980-6-14 3759 Napa Original from Mt. St. Helena (Now in Tilden Regional Park Botanic Garden) Comment
  SEINET11977845  Arctostaphylos stanfordiana A. E. Wieslander 1936-1 713 Napa Mount Saint Helena 610 Comment
  POM195577  Arctostaphylos stanfordiana subsp. stanfordiana H. P. Bracelin 1930-3-23 s.n. Napa 1 1/2 mi. S.E. of Mt. St. Helena. Comment
  POM367455  Arctostaphylos stanfordiana subsp. stanfordiana H. de Forest 1930-3-23 14618 Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  RSA123384  Arctostaphylos stanfordiana subsp. stanfordiana A. E. Wieslander 1934-2-24 365 Napa Spring Mountain. 640 Comment
  RSA40107  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1948-3-8 48009 Napa Wooden Valley Grade, 6 miles NE of Napa. 183 Comment
  UC2026413  Arctostaphylos stanfordiana subsp. stanfordiana Louis C. Wheeler 1952-8-30 6876 Napa MANGANESE RIDGE: Moore Creek, Howell Mountain. Comment
  CDA11905  Arctostaphylos viscida G. F. Hrusa, G. L. Stebbins 1994-4-8 11716 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  UCD52567  Arctostaphylos viscida Beecher Crampton 1970-4-15 8558 Napa north end of Capell Valley, State Hwy. 128. Comment
  UC763118  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1938-9-23 3862 Napa Canyon of south fork of Butts Creek Comment
  CAS-BOT-BC47450  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-5-5 11296 Napa Mt. St. Helena Comment
  JEPS38759  Arctostaphylos viscida subsp. viscida W. L. Jepson 1920-7-12 9067 Napa near old Chiles Mill; Chiles Creek Comment
  SBBG19109  Arctostaphylos viscida subsp. viscida E. R. Blakley 1956-12-23 2036 Napa 6 mi S of Pope Valley on the lake rd 335 Comment
  SBBG19110  Arctostaphylos viscida subsp. viscida E. R. Blakley 1956-12-23 2018 Napa trail to Linda Falls, Angwin 426 Comment
  UC1388341  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-3-19 925 Napa 1 mi nw Knoxville (Lake-Napa Co. line); North Coast Ranges Comment
  UC1388347  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-3-20 874 Napa Pope Creek North Coast Ranges Comment
  RSA339719B  Aristolochia californica F. R. Fosberg 1967-9-10 48642 Napa Near Haven place above St Helena Comment
  UC504869  Aristolochia californica R. M. Holman 1933-4-12 Napa near Mt. Veeder Comment
  UCD48562  Aristolochia californica Kook-Hyun Chung; C. Ineich, J. Deusterman, M. Hauselt 2001-4-28 22 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, beside Decker Bay Trail. 152 Comment
  JEPS104505  Arnica discoidea Jake Ruygt 1979-6-3 669 Napa Aetna Springs Rd. 670 Comment
  UC166074  Arnica discoidea J. P. Tracy 1905-7-6 2224 Napa 3-4 mi e of, head of Moore's Creek Angwin's; Howell Mountain, Moore's Creek 457 Comment
  UCD161606  Arnica discoidea Jake Ruygt 1999-5-17 4159 Napa Wild Horse Valley Ranch, near Leoma Lakes. 429 Comment
  JEPS123018  Arrhenatherum elatius Jake Ruygt 1989-6-17 2382 Napa Van Ness Canyon. Quad: Detert Reservoir. Comment
  UCD164773  Arrhenatherum elatius Jake Ruygt 2014-5-19 5947 Napa Sutro Ranch, Atlas Peak. 740 Comment
  CAS-BOT-BC90266  Artemisia douglasiana John Thomas Howell 1929-8-4 4368 Napa One mile below Samuels Springs, Pope Creek [Canon], Napa Range Comment
  JEPS104578  Asclepias eriocarpa Jake Ruygt 1996-7-13 3767 c Napa south of intersection Butts Can. Rd and James Cr. Rd.(Temple) 210 Comment
  JEPS104499  Asclepias fascicularis Jake Ruygt 1978-8-6 388 Napa .2 miles north of Yountville exit from HWY 29, Washington St 27 Comment
  CAS-BOT-BC68860  Aspidotis californica Peter H. Raven 1950-4-15 1747 Napa Wooden Valley Grade above Napa 457 Comment
  UC764693  Astragalus breweri R. F. Hoover 1941-4-26 4920 Napa between Walter Springs and Pope Valley; between Walter Springs and Pope Valley Comment
  UCD38369  Astragalus breweri Beecher Crampton 1955-4-4 2387 Napa 2 miles north of Calistoga. Meadow supplied by waters of the Myrtledale Hot Springs. Comment
  UCD75830  Astragalus breweri Jake Ruygt 2005-5-16 4853 Napa Tubbs Lane at Myrtledale Rd., Calistoga; NE parcel. 122 Comment
  JEPS107257  Astragalus claranus Jake Ruygt 1993-5-14 3261 Napa Lewelling Ranch, west end of Lewelling Lane, St. Helena 97 Comment
  SEINET898796  Astragalus didymocarpus Frank W. Gould 1938-1 98 Napa One mile north-west of Yountville. 152 Comment
  CDA11592  Astragalus gambelianus G. F. Hrusa, S. Larson 1995-4-1 12058 Napa North Coast Biodiversity Arena; Approx. 1 mi. below bridge over Pope Creek, on Pope Canyon Rd. Comment
  JEPS54656  Astragalus gambelianus W. L. Jepson 1924-4-6 10330 Napa Conn Valley Napa Range, Conn Valley (Napa Range, gravelly hillslope) Comment
  UCD104803  Astragalus gambelianus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  JEPS41083  Astragalus rattanii var. jepsonianus Rimo Bacigalupi and L. R. Heckard 1965-5-15 9095 Napa about 1 mi e Devilhead Road ((from Cedar Valley to Knoxville), at edge of small valley, along Zim Zim Creek); along Zim Zim Creek 487 Comment
  UC1198295  Athysanus pusillus Joseph P. Tracy 1902-5-15 1461 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UCD114242  Athysanus pusillus June McCaskill 1965-3-4 694 Napa ca. 1/2 mile east of mail boxes on road to M and M Ranch, in middle of Snell Valley. Comment
  JEPS126099  Atriplex rosea Jake Ruygt 1991-9-21 2840 Napa Kennedy Park, north of the boat ramp. Napa 7.5' Qua. Comment
  HSC43958  Avena barbata Robert M. Specht 1977-4-19 682 Napa Above drainage running NE from Adams Creek. 518 Comment
  UCD38526  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3228 Napa Napa Valley, 1 mile south of Rutherford. Comment
  UCD56374  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3228 Napa Napa Valley. 1 mile south of Rutherford. State Highway 128. Comment
  JEPS126110  Azolla filiculoides Jake Ruygt 1981-4-22 995 Napa East of Kaiser Steel, west of Highway 29 (221) Rocktram. Napa 7.5' Qua. Comment
  UCD161326  Baccharis pilularis Jake Ruygt 1979-12-16 799 Napa Napa County : Circle Oaks. (Coordinates estimated by label maker at UC Davis). 615 Comment
  CAS-BOT-BC16531  Barbarea orthoceras Peter H. Raven 1951-6-10 2926 Napa Center Region east of Palisades. 762 Comment
  JEPS106776  Barbarea orthoceras Jake Ruygt 1997-4-12 3829 Napa Bennett Lane, Calistoga 134 Comment
  UCD48671  Barbarea orthoceras Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 12 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd, N of its jct with S. Decker Canyon Rd. at the end of EW bend. 188 Comment
  UCD48663  Barbarea verna Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 22 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along S. Decker Canyon Rd., just S of jct with Cut-Off Rd., W side of creek. 167 Comment
  CAS-BOT-BC145817  Beckmannia syzigachne Peter H. Raven 1952-5-26 4027 Napa Rutherford. 53 Comment
  JEPS123015  Beckmannia syzigachne Jake Ruygt 1992-5-18 2973 Napa Ecological Reserve, Yountville Cross Road, Napa River. Quad: Yountville. 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
  CAS-BOT-BC75847  Berberis pinnata Ira L. Wiggins 1949-4-30 12089 Napa Eastern flank of Mount Saint Helena. 914 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
  JEPS110704  Boisduvalia glabella Jake Ruygt 1981-7-31 1084 Napa Soscol Plain 4 Comment
  CDA42002  Boschniakia strobilacea S. Bardessono 1974-6-14 s.n. Napa In the wilds 0 Comment
  JEPS112548  Boykinia occidentalis Jake Ruygt 1979-6-28 722 Napa Milliken Canyon, south wall 121 Comment
  SACT000444  Brachypodium distachyon John Willoughby 1977-4-20 Napa foothill woodland 365.76 Comment
  JEPS53245  Brassica nigra W. L. Jepson 1894-11-1 59 E Napa Napa, fields to the south Napa Comment
  UCD75843  Brassica nigra Jake Ruygt 1989-5-21 2345 Napa Napa, Willis Drive. 15 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
  CAS-BOT-BC106270  Brickellia californica Peter H. Raven 1952-8-28 5160 Napa Road below Napa Soda Springs 213 Comment
  JEPS18618  Brickellia californica Edw. L. Greene 1888-8-30 Napa Calistoga Comment
  UC1543022  Briza minor Donald G. Nelson 1936-4-1 123 Napa along trail to Green Valley Falls Comment
  UCD18003  Briza minor Ellen Dean; with Plant Biology 102 class 2001-4-28 734 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Downslope of West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. Along old road that leads NW and downslope along a ridge. 242 Comment
  UCD57403  Briza minor Beecher Crampton 1956-5-25 3475 Napa Southeast Capell Valley. Comment
  JEPS7692  Brodiaea appendiculata W. L. Jepson 1923-6-3 9981 Napa near mouth of Conn Creek; Napa Valley Comment
  JEPS129035  Brodiaea elegans subsp. elegans Jake Ruygt 2016-5-28 6268 Napa Oil Well Road 1/4 mile west of high point. Lake Berryessa 7.5' Quad. Comment
  CDA10879  Bromus carinatus G. F. Hrusa, M. Rejmanek 1993-5-15 10974 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  SEINET238874 Image available Bromus carinatus var. carinatus Beecher Crampton 1956-5-25 3464 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UC50589  Bromus hordeaceus H. P. Chandler 1900-5-7 Napa Rutherford Comment
  UCD17982  Bromus hordeaceus Ellen Dean; with Plant Biology 102 class 2001-4-14 708 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along North Decker Canyon Trail, N of trail. 182 Comment
  CDA10881  Bromus laevipes G. F. Hrusa, M. Rejmanek 1993-5-15 10976 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS123005  Bromus laevipes Jake Ruygt 1990-6-4 2579 Napa Silverado County Club at Milliken Water Treatment Plant. Quad: Napa. Comment
  JEPS123008  Bromus laevipes Jake Ruygt 1982-5-19 1279 Napa Butts Canyon Road at Snell Valley Road. Quad: Aetna Springs. Comment
  UCD32905  Bromus laevipes Beecher Crampton 1965-6-17 7408 Napa Solano-Napa Counties, Vaca mountains, summit of Mt. Vaca. 859 Comment
  UCD58878  Bromus laevipes Collector unknown 1941-6-1 Napa Road from Napa to Locoya. Comment
  UCD58930  Bromus laevipes Beecher Crampton 1957-6-4 4108 Napa Above Capell Creek. North end of Capell Valley. Comment
  UCD58957  Bromus laevipes Beecher Crampton 1965-6-30 7409 Napa Mt. Vaca, Vaca Mtns. 872 Comment
  CDA10902  Bromus madritensis subsp. rubens G. F. Hrusa, M. Rejmanek 1993-5-15 10998 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC1023567  Bromus madritensis subsp. rubens Milo S. Baker 1936-4-8 8177 Napa about 2 mi n of Knoxville Comment
  UCD75794  Bromus madritensis subsp. rubens Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site. Comment
  CAS-BOT-BC161828  Bromus rubens David L. Morgan 1961-5-16 s.n. Napa Napa. Cemetary. Comment
  CAS-BOT-BC161830  Bromus rubens Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5333 Napa Pope Creek east of Samuels Springs. 91 Comment
  UCD159919  Bromus rubens Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon.West section. 243 Comment
  RSA129908  Bromus sterilis P. H. Raven 1951-4-8 2765 Napa Yountville 49 Comment
  CAS-BOT-BC161529  Bromus tectorum Peter H. Raven 1953-5-2 5389 Napa Hills due east of Yountville. 243 Comment
  UCD18034  Calandrinia breweri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 585 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. West-facing slope up by air quality station. 548 Comment
  JEPS85054  Calandrinia ciliata Larry Heckard and Mary Ashton 1969-5-3 2198 Napa ca 7 mi ne Napa (off the Atlas Peak Rd.); Mead Ranch 457 Comment
  CAS-BOT-BC438470  Calandrinia ciliata David D. Keck 1931-4-2 1055 Napa Wooden Valley Grade, west side of Napa Range, 8 miles NE. of Napa 170 Comment
  JEPS52607  Calandrinia ciliata Willis L. Jepson 1893-4-27 Napa hills near Veteran's Home; Napa River Basin, Yountville Comment
  UCD100264  Calandrinia ciliata R. L. Smith 1948-5-1 s.n. Napa Monticello. Comment
  UCD83408  California macrophylla Jake Ruygt 1993-5-1 3240 Napa SW end of Cedar Creek Rd. 438 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
  JEPS121549  Calochortus amabilis Adam C. Schneider with Dick O'Donnell 2013-5-26 199 Napa Southwest side of Chiles Pope Valley Rd., 100 yards southwest of farmhouse and other buildings. Comment
  POM263156  Calochortus amabilis J. C. Roos 1939-4-18 278 Napa Howell Mountain, Angwin. Comment
Read comments Feb 15 2006
  UC1134510  Calochortus amabilis A. Lewis 1932-5-18 96 Napa Dry Creek Napa Quad. 152 Comment
  UCD139481  Calochortus amabilis R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  UCD164484  Calochortus amabilis J. A. Johnston 1995-5-7 12 Napa On bank next to Hwy 128 approximately .5 miles west of Markley Cove on Lake Berryessa. 1000 Comment
  UCD18372  Calochortus amabilis R. Wenk 2000-5-14 9 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  CAS-BOT-BC488488  Calochortus amabilis Carl B. Wolf 1928-5-3 1787 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC492544  Calochortus luteus Betty H. Johnson 1958-6-8 610 Napa Near St Helena River, 6.4 mi. S.W. of Middleton Comment
  SEINET4169986  Calochortus pulchellus H. E. Cott 1949-6-5 A- 120 Napa Along State Hwy. 37, ca. 10 mi from jct. with Hwy. 28 Comment
  UCD160678  Calochortus superbus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8750 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 177 Comment
  UCD170377  Calochortus superbus Daniel Potter; N Khuu 2016-5-8 874 Napa Knoxville Wildlife Area, west of Berryessa-Knoxville Road along trail from Zim Zim Falls trailhead to lower Nevada Creek, just west of tributary to Nevada Creek. 281 Comment
  UC1103467  Calochortus tolmiei J. P. Tracy 1899-6-10 447 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  CAS-BOT-BC483612  Calochortus tolmiei Peter H. Raven 1964-5-9 19056 Napa 2 miles west of Aetna Springs Comment
  CAS-BOT-BC132624  Calochortus uniflorus John Thomas Howell 1926-3-27 1757 Napa Myrtledale Hot Springs near Calistoga Comment
  UC143576  Calochortus uniflorus C. F. Baker 1903-4-19 1979 Napa Calistoga Comment
  UCD160784  Calochortus vestae Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8664 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 493 Comment
  CAS-BOT-BC496926  Calochortus vestae David D. Keck 1933-5-29 2364 Napa Pope Creek bridge south of Walters Springs Comment
  SEINET3863994  Calycadenia fremontii G. D. Carr 1971-8-6 616 Napa Lower Chiles Valley Rd, 1.3 mi N of its jct with Hwy 128, 11 mi SE of Pope Valley, on E slope.; 0 313 Comment
  UC1876219  Calycadenia fremontii Gerald D. Carr 1971-9-20 665 Napa 0.8 mi SE of Berryessa-Knoxville Rd. on Hwy 128. 213 Comment
  CAS-BOT-BC270611  Calycadenia multiglandulosa G. D. Carr 1971-6-17 566 Napa Junction of Howell Mountain, Deer Park, White Cottage Roads (Four Corners), ca. 1.5 miles SW of Angwin 424 Comment
  CAS-BOT-BC270617  Calycadenia multiglandulosa H. P. Chandler 1907-7-19 7603 Napa Howell Mountain Comment
  UC1876150  Calycadenia multiglandulosa Gerald D. Carr 1971-6-17 566 Napa Jct. of Howell Mt., Deer Park, and White Cottage Rds. Comment
  UC935693  Calycadenia multiglandulosa D. D. Keck 1933-7-1 2467 Napa 2 mi SW of Pacific Union College Howell Mountain Comment
  RSA255488  Calycadenia multiglandulosa subsp. cephalotes Gerald D. Carr 1971-6-17 566 Napa Jct. of Howell Mt., Deer Park, and White Cottage Roads Comment
  UCD129903  Calycadenia pauciflora Gerald D. Carr 1971-9-20 666 Napa 4.2 miles north of Spanish Flat of Knoxville-Berryessa Road. 152 Comment
  CAS-BOT-BC270821  Calycadenia pauciflora Gerald D. Carr 1971-9-20 667 Napa 1.8 miles SE of Lake County line on Morgan Valley Road 609 Comment
  CAS-BOT-BC270827  Calycadenia pauciflora G. D. Carr 1971-9-20 672 Napa 0.8 mile NW of Knoxville Road 458 Comment
  UCD129809  Calycadenia pauciflora Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Road, 1.3 miles south of Snell Valley Road. Comment
  UCD129863  Calycadenia pauciflora Gerald D. Carr 1974-5-28 762 Napa 3.3 miles southeast of Howell Mountain Road on Conn Valley road, west facing slope. Comment
  UCD129909  Calycadenia pauciflora Gerald D. Carr 1971-9-20 672 Napa 0.8 mile northwest of Knoxville on Morgan Valley Road. 457 Comment
  CDA11827  Calycadenia truncata G. F. Hrusa 1993-10-2 11423 Napa North Coast Biodiversity Arena; Top of Sharpe Rd. , 1 m. W of Calistoga. Comment
  UC668209  Calycadenia truncata Joseph P. Tracy 1938-8-7 16090 Napa 5 mi n of Napa City; Soda Creek Canyon 91 Comment
  CAS-BOT-BC271551  Calycadenia truncata subsp. truncata C. C. Parry 1881-1-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC271600  Calycadenia truncata subsp. truncata Edward Lee Greene 1881-7-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC271557  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  CAS-BOT-BC271562  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  CAS-BOT-BC271599  Calycadenia truncata subsp. truncata W. M. Heusi 1930-10-18 107 Napa From about one mile north of Yountville along highway to S. Helena on hill by Rockvilla service station Comment
  LA204508  Calycanthus occidentalis Joseph Andorfer Ewan; 1934-4-30 8850 Napa near White Cottages below Pope Valley Comment
  SBBG2303  Calycanthus occidentalis H. E. Cott 1949-5-22 A- 127 Napa St Hwy 37, ca. 15 mi N of Napa Comment
  SBBG2304  Calycanthus occidentalis E. R. Blakley 1956-12-23 2016 Napa base of Linda Falls, Angwin 426 Comment
  UC1126250  Calycanthus occidentalis A. Lewis 1932-5-24 108 Napa Wooden Valley; Napa Quad. 243 Comment
  UCD137894  Calycanthus occidentalis P. B. Kaufman 1950-4-28 37 Napa Putah Canyon. Comment
  UCD137908  Calycanthus occidentalis H. Popenoe 1949-6-5 35 Napa Putah Canyon west of Winters, at Napa-Yolo County line. Comment
  UCD15499  Calycanthus occidentalis Ted Graber 1984-5-12 28 Napa 1 mile west from Conn Dam on highway 128. 60 Comment
  UCD160743  Calystegia collina Ellen Dean 2015-5-23 8795 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. 249 Comment
  UCSB4982  Calystegia collina Kamb, Peter; Chisaki, Francia 1958-4-22 Napa Sage Creek, ca. 3 miles east of Chiles Valley 304 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
  UCD164750  Calystegia collina subsp. collina Jake Ruygt 2014-5-28 5962 Napa Oat Hill Mine Road east. 424 Comment
  RSA0059891  Calystegia collina subsp. collina C. F. Baker 1903-5-8 2968 Napa Knoxville. Comment
  JEPS31598  Calystegia collina subsp. oxyphylla W. L. Jepson 1924-4-27 10381 Napa e Mt. St. Helena; e of Mt. St. Helena Comment
  UCD14211  Calystegia occidentalis Dixie Paussa 1974-6-8 104 Napa Napa County; at the end of Griggs Lane, above a reservoir; 91 Comment
  JEPS31633  Calystegia purpurata W. L. Jepson 1938-5-25 18862 Napa Bell Canyon Napa Range, Howell Mt., Bell Canyon (Howell Mt., Napa Range) 579 Comment
  JEPS31643  Calystegia purpurata Willis L. Jepson 1893-4-25 14517 Napa range w St. Helena (Napa River Basin, trail to <?>au<?>s Cabin); Napa River Basin, range w of St. Helena Comment
  CAS-BOT-BC224631  Calystegia purpurata subsp. purpurata Ira L. Wiggins 1949-4-30 12080 Napa Between Calistoga and Middletown Comment
  CDA33512  Calystegia purpurata subsp. purpurata Dale Woods, V. Popescu 2010-6-28 Napa Along Devilshead-Knoxville Road. Comment
  JEPS126128  Calystegia purpurata subsp. purpurata Jake Ruygt 2007-11-10 5258 Napa East side of California Blvd., about 0.1 mi. south of Trancas Street, Napa. Napa 7.5' Qua. Comment
  JEPS47832  Calystegia subacaulis Willis L. Jepson 1893-4-24 14524 Napa Hills easr of St. Helena to Conn Valley, Napa River Basin Comment
  JEPS122760  Camissonia contorta Jake Ruygt 2007-5-17 5173 b Napa Wildlake Ranch, near Potato Hill. Quad: Calistoga. Comment
  UCD20460  Camissoniopsis hirtella B. Takahashi; w/ S. Burgess, A. Ryan, A. Hufton, and J. Pierner 2000-4-29 s.n. Napa Yolo County/ Napa County line: McLaughlin UC Reserve. One 'as the crow files' mile N of old town of Knoxville. 609 Comment
  JEPS106555  Campanula angustiflora Jake Ruygt 1992-5-15 2959 b Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  SEINET10463865  Campanula angustiflora Lincoln Constance 1946-5-18 Constance 3045 Napa Southeast slope of Mount St. Hellena, near the old inn Comment
  CAS-BOT-BC37587  Cardamine californica Willis Linn Jepson 1896-2-22 s.n. Napa Napa River Basin. Hills of St. Helena. Comment
  CAS-BOT-BC37588  Cardamine californica C. B. Wolf 1928-2-25 1489 Napa Mount St. Helena Grade 2 miles below Hawkins Mountain Camp. Comment
  POM144139  Cardamine californica var. integrifolia C. F. Baker 1903-4-20 2617 Napa Mt. St. Helena. Comment
  CDA12075  Cardamine hirsuta G. F. Hrusa, J. Messina 1989-3-3 5880 Napa North Coast Biodiversity Arena; Hwy. 128 W of Monticello Dam (Lake Berryessa). Comment
  CAS-BOT-BC35072  Carex densa Peter H. Raven 1951-6-10 2948 Napa Crater Region of Palisades. 762 Comment
  UCD161691  Carex densa Jake Ruygt 2010-5-20 5573 Napa Highway 29 north of Yount Mill Road, west side of road. (Coordinates converted from UTM data by label maker.) 45 Comment
  CAS-BOT-BC35068  Carex densa Lewis S. Rose 1935-6-4 35205 Napa East slope Mount St. Helena. Comment
  CAS-BOT-BC35074  Carex densa Peter H. Raven 1950-5-6 2019 A Napa Near Rt. 29, on Old Faithful Geyser road 2 miles north of Calistoga. Comment
  JEPS121324  Carex feta Jake Ruygt 1992-5-20 2990 Napa West of Leoma Lakes, Wild Horse Valley Ranch. Comment
  UCD168526  Carex multicostata Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  JEPS121338  Carex nudata Jake Ruygt 1978-4-6 267 Napa 2. [sic] miles west of Dry Creek on Redwood Road Comment
  POM230030  Carex nudata Alice Eastwood, John Thomas Howell 1937-4-4 3826 Napa North of Wooden Valley. Comment
  RSA155418  Carex nudata L. S. Rose 1961-3-30 61024 Napa Lake Hennessy. 61 Comment
  SEINET10711635  Carex nudata Wilhelm N. Suksdorf 1913-7-28 Suksdorf 713 Napa In shade near the water of the Napa River. Comment
  CHSC83353  Carex praegracilis L. P. Janeway; B. Castro 2002-5-12 7530 Napa Inner North Coast Ranges. Small meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  CDA13137  Carex serratodens G. F. Hrusa 1996-6-3 13072 Napa North Coast Biodiversity Arena; W side of Lake Hennessey approximately 1 mile E of Conn Dam. Comment
  POM118372  Carex serratodens Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD20740  Carex serratodens E. Dean; w/ PLB 102 class 2002-4-4 1001 Napa McLaughlin UC Reserve. Along Knoxville-Berryesa road just W of turnoff to old town of Knoxville, S side of road. 426 Comment
  UCD161786  Carex subbracteata Jake Ruygt 2006-4-15 4981 Napa Highway 29 about 0.5 mile south of Lincoln Avenue, Calistoga. (Coordinates converted from UTM data by label maker.) 111 Comment
  UCD161694  Carex subbracteata Jake Ruygt 2010-4-19 5509 Napa 0.4 mile south of Bale Mill, east side of Highway 29. 85 Comment
  UCD95689  Carex subfusca Ellen Dean; with Clare Loughran 2011-5-20 7035 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  CAS-BOT-BC115551  Carex tumulicola Peter H. Raven 1951-6-26 3093 Napa Cappell Valley to Wooden Valley. 274 Comment
  UCD161586  Carex tumulicola Jake Ruygt 2008-4-24 5304 -e Napa center divide of Highway 221 about 1/4 mile north of Highway 29 intersection. 30 Comment
  UCD161735  Carex tumulicola Jake Ruygt 2010-5-15 5504 -x Napa Las Posadas State Forest, south side of Moore Creek near Recreation Flat. 384 Comment
  UCD164754  Carex tumulicola Jake Ruygt 2014-5-19 5949 Napa Sutro Ranch, Atlas Peak. 722 Comment
  CAS-BOT-BC248977  Castilleja John Thomas Howell 1931-4-2 6095 Napa 10 miles east of Napa on road to Monticello, Napa Range Comment
  CAS-BOT-BC249079  Castilleja affinis Peter H. Raven 1964-5-9 19051 Napa Along dirt road 2 miles west of Aetna Springs Comment
  POM203724  Castilleja affinis J. T. Howell 1931-4-2 6095 Napa 10 miles east of Napa on road to Monticello, Napa Range. Comment
  UCD122149  Castilleja affinis W. P. Hackett 1960-4-10 15 Napa State Highway 37, 23.2 miles west of Winters. Comment
  JEPS8498  Castilleja affinis subsp. affinis W. L. Jepson 1893-3-13 21480 Napa Saint Helena, lower slopes of Howell Mountain Howell Mountain Comment
  JEPS85281  Castilleja affinis subsp. affinis L. R. Heckard, R. Bacigalupi, P. C. Silva 1962-4-16 1301 a Napa 1 mi s Calif. Hwy. 37 junction with road to Wooden Valley (along Calif Hwy 37); Howell Mts. 304 Comment
  UC1301210  Castilleja affinis subsp. affinis Helen K. Sharsmith 1963-4-20 5355 Napa above Wooden Valley (on Monticello, e side of Napa Range); San Francisco Bay Region, Napa Range 243 Comment
  JEPS88819  Castilleja applegatei subsp. martinii T. I. Chuang and F. M. Chuang 1991-6-23 7834 Napa 3 mi n Angwin (along Ink Grade Rd) Comment
  JEPS18268  Castilleja applegatei subsp. martinii Peter H. Raven 1957-5-5 10784 Napa w edge Calistoga 182 Comment
  JEPS110633  Castilleja attenuata Jake Ruygt 1983-5-1 1450 Napa east side of HWY 29 on Suscol ridge 28 Comment
  JEPS9880  Castilleja attenuata W. L. Jepson 1944-5-21 27258 Napa valley at w base Adam-and-Eve Ridge; Howell MOuntain Comment
  JEPS9947  Castilleja attenuata W. L. Jepson 1937-5-15 18786 Napa 0.5 mi n Napa Wye Comment
  JEPS86223  Castilleja densiflora subsp. densiflora L. R. Heckard 1970-5-4 2449 Napa ca 10 mi n Vallejo (on n side of Kelly Rd, 0.5 mi n of CA Hwy 12, near junction of Hwy 12 and Hwy 29) Comment
  UCD19866  Castilleja exserta C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1199 Napa Lower slopes of Mount St. Helena, view spot north of Calistoga, along Hwy 29. Comment
  JEPS85018  Castilleja exserta subsp. exserta Larry Heckard and Mary Ashton 1969-5-3 2226 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd, above and w of the meadow) 510 Comment
  JEPS10341  Castilleja exserta subsp. exserta Willis L. Jepson 1893-4-28 21378 Napa n of Mt. George; Napa River Basin 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
  HSC72429  Castilleja foliolosa J. P. Smith, J. O. Sawyer 1970-5-17 3780 Napa 8 mi. N of Pope Valley Comment
  UC1301177  Castilleja foliolosa Helen K. Sharsmith 1963-3-17 5221 Napa s side Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD122553  Castilleja foliolosa Andreas Stohr 1996-4-21 4 Napa Next to Road 128 near Monticello Dam. 180 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
  JEPS25050  Castilleja minor subsp. spiralis J. P. Tracy 1899-7-5 372 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); Howell Mountain, head of Moore's Creek 365 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
  UCD48216  Castilleja rubicundula subsp. rubicundula S. Burgess; A. Hufton, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 24 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting Creek, on east-facing slope of 'Research Hill'. 655 Comment
  JEPS58624  Castilleja subinclusa subsp. franciscana Willis L. Jepson 1894-11-5 Napa Bottle Mt. Napa River Basin, St. Helena Comment
  CAS-BOT-BC83849  Ceanothus confusus D. O. Burge 2008-6-1 1006 c Napa Mount Saint Helena, eastern slopw of SE-most peak 1000 Comment
  UC80037  Ceanothus confusus C. C. Parry 1881-1 Napa Calistoga Comment
  UCD21545  Ceanothus cuneatus B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 4 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, next to Hunting Creek, next to the Hunting Creek Campground parking lot. 335 Comment
  JEPS42095  Ceanothus cuneatus var. cuneatus Willis L. Jepson 1893-5-1 13990 Napa nw Calistoga (Franz Valley grade, on divide) Comment
  UC903042  Ceanothus cuneatus var. cuneatus Ethel Crum 1937-4-19 1784 Napa 15 mi n Napa (Steel Canyon,); Napa Range Comment
  CAS-BOT-BC49112  Ceanothus cuneatus var. ramulosus W. L. Jepson 1893-5-1 s.n. Napa Franz Valley Grade near Calistoga Comment
  CAS-BOT-BC49114  Ceanothus cuneatus var. ramulosus Elizabeth Mrs. Wright 1922-4-1 s.n. Napa Near Calistoga Comment
  CAS-BOT-BC49789  Ceanothus divergens Walter Knight; Steve Edwards 1985-11-17 5186 Napa Kortum Canyon Road Comment
  CAS-BOT-BC49791  Ceanothus divergens C. H. M. 1907-7-27 s.n. Napa Mt. St. Helena 731 Comment
  CAS-BOT-BC64439  Ceanothus divergens John Thomas Howell 1926-3-21 1705 Napa Trail to top of Mt. St. Helena. Comment
  OBI10254  Ceanothus divergens Milo S. Baker 1941-6-30 10159 Napa Along hwy to Howell Mt N road from Silverado Trl Comment
  POM136487  Ceanothus divergens Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena. Comment
  RSA169357  Ceanothus divergens L. S. Rose 1964-4-2 s.n. Napa 2 miles W of Angwin 244 Comment
  RSA261719  Ceanothus divergens Katherine Brandegee 1889-04 s.n. Napa St. Helena Comment
  RSA26416  Ceanothus divergens J. T. Howell 1941-4-5 s.n. Napa Franz Valley Comment
  RSA339394  Ceanothus divergens Walter Knight, S. Edwards 1985-11-17 5186 Napa Kortum Canyon Road; Vineyards Comment
  UCD63040  Ceanothus divergens Ellen Dean; Stephen Rae 2008-5-21 4980 Napa Hills to the W of Hwy 29 south of the town of Calistoga. Private property accessed by Diamond Mountain Rd. Canyon running east to west and slopes above it. 244 Comment
  UCD73843  Ceanothus divergens Ellen Dean; S. Rae 2008-5-21 4978 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 238 Comment
  SEINET12211279  Ceanothus divergens W. Knight, Schmidt, C. 1987-1 6058 Napa Kortum Canyon Road 274 Comment
  RSA127599  Ceanothus foliosus Peter H. Raven 1955-4-9 8264 Napa W slope of Howell Mt. 457 Comment
  RSA285633  Ceanothus foliosus D. C. Michener 1982-7-25 4116 Napa 2 miles SW of jct with college way in anguin. Comment
  UCD73844  Ceanothus foliosus Ellen Dean; S. Rae 2008-5-21 4979 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 244 Comment
  POM90701  Ceanothus foliosus C. C. Parry 1881-08 s.n. Napa Calistoga. Comment
  CAS-BOT-BC50912  Ceanothus foliosus var. foliosus Paul F. Covel 1940-4-28 1705 Napa Grade near Sanatarium Comment
  CAS-BOT-BC50914  Ceanothus foliosus var. foliosus Brandegee 1890-5-1 48 Napa Mt. St. Helena Comment
  UC726975  Ceanothus foliosus var. foliosus A. A. Heller 1941-5-3 16085 Napa Mt. St. Helena Mt. St. Helena (at places halfway up the mountain) Comment
  SACT002931  Ceanothus integerrimus John Willoughby 1975-5-25 Napa This is the blue-flowering form which McMinn states is common in Lake County. Along BLM Road to Cedar Valley beginning north of Knoxville. Comment
  SBBG50584  Ceanothus integerrimus C. Laning 1973-4-21 108 -54 Napa 7 mi N of Pope Valley Post Office on Butts Cyn Rd Comment
  CAS-BOT-BC50631  Ceanothus jepsonii H. E. McMinn 1922-8-2 298 Napa Upper Pope Valley along old RR bed Comment
  SBBG50580  Ceanothus jepsonii R. F. Denno 1967-4-15 50 Napa 1 mi N on Lower Chiles Valley Rd off St Hwy 128 228 Comment
  UCD149676  Ceanothus jepsonii Stephen P. Rae; Ayzik Solomeshch 2006-4-14 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  RSA52713  Ceanothus jepsonii subsp. albiflorus I. L. Wiggins 1949-4-30 12095 Napa Along old toll road between Calistoga and Middletown. Comment
  JEPS79563  Ceanothus jepsonii var. albiflorus Edward Lee with A. Carter and E. Crum 1936-3-15 1818 Napa Butt's Canyon Comment
  RSA753878  Ceanothus jepsonii var. albiflorus Dylan O. Burge 2007-6-12 DOB 940 c Napa Mayacmas Mts., at roadside on Livermore Road, near Rattlesnake Spring. 0.6 road miles (1.0 km) W of SR 29, 10.5 km 356 degrees (True) NNW of Calistoga. 535 Comment
  LA44929  Ceanothus oliganthus var. sorediatus John Thomas Howell; 1931-4-3 6133 Napa Napa Range, Pope Creek Canyon, 8.5 mi. from Monticello Comment
  RSA398923  Ceanothus oliganthus var. sorediatus Robert M Specht 1977-4-18 681 Napa Along N side of Develhead road in basin betw small hillocks. 451 Comment
  SBBG4518  Ceanothus oliganthus var. sorediatus M. Van Rensselaer 1938-4-26 Napa Wooden Valley Grade Comment
  CAS-BOT-BC53176  Ceanothus parryi Elsa G. Ruckert 1960-4-29 122 Napa Dry Creek Road, 1/4 mile n. of junction with Wall Road 365 Comment
  CAS-BOT-BC53213  Ceanothus parryi Joseph P. Tracy 1902-5-21 1583 Napa Howell Mountain, on hills at head of Moore's Creek, 3-4 miles east of Angwin's 365 Comment
  CAS-BOT-BC53215  Ceanothus parryi David D. Keck 1931-4-2 1012 Napa Foot Wooden Valley Grade, west base of Napa Range, 4.5 miles NE of Napa 90 Comment
  CAS-BOT-BC53220  Ceanothus parryi Alice Eastwood 1923-5-9 11757 Napa Mt. St. Helena Comment
  JEPS110731  Ceanothus parryi Jake Ruygt 1976-4-23 18 Napa 2.1 miles NE of Silverado Trail on Deer Park Road 213 Comment
  SBBG4433  Ceanothus parryi H. and M. Dearing 1939-3-2 3259 Napa Dry Crk Rd Comment
  SBBG50604  Ceanothus parryi R. Beaver 1965-5-1 153 Napa St Hwy 128, ca. 10 mi N of jct with St Hwy 121 Comment
  UC1197999  Ceanothus parryi Joseph P. Tracy 1899-6-13 385 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UC18404  Ceanothus parryi Edw. L. Greene 1892-4-23 Napa Calistoga Comment
  UC762309  Ceanothus parryi R. F. Hoover 1944-4-27 4946 Napa East side of Mt St. Helena Comment
  UC79862  Ceanothus parryi Katharine Brandegee June 1889 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UC80041  Ceanothus parryi Katharine Brandegee June 1889 21 Napa Toll House , Toll House (Mt. St. Helena) Comment
  CAS-BOT-BC52189  Ceanothus purpureus H. E. McMinn 1925-1-24 1367 b Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC52191  Ceanothus purpureus H. E. McMinn 1923-5-25 964 B Napa Summit Wooden Valley Grade Comment
  CDA11149  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11560 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa. Comment
  JEPS110727  Ceanothus purpureus Jake Ruygt 1995-3-29 3412 Napa about 2 mi S of Sage Canyon Road across from boat ramp 457 Comment
  RSA40278  Ceanothus purpureus L. S. Rose 1948-3-8 s.n. Napa Wooden Valley Grade, 6 miles NE of Napa. 183 Comment
  RSA755230  Ceanothus purpureus Dylan O. Burge 2007-5-4 DOB 904 c Napa Wooden Grade, NE of Mount George, roadside on Monticello Road (SR 121), 3.3 road miles E of Atlas Peak Road or 2.3 road miles W of Wooden Valley Road, at mile marker 13.88, 9.28 km 46 degrees True ENE of Napa. 360 Comment
  UC870639  Ceanothus purpureus Lewis S. Rose Apr 1939 39069 Napa 4 mi NE of Napa 198 Comment
  UCD73426  Ceanothus purpureus Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  JEPS110664  Ceanothus sonomensis Jake Ruygt 1980-5-13 894 Napa Mt. St. John 518 Comment
  CAS-BOT-BC52895  Ceanothus velutinus H. E. McMinn 1926-1-2 1626 A Napa Mt. St. Helena, near tablet of R.L. Stevenson Comment
  UC1543130  Centaurea calcitrapa Donald G. Nelson 1940-8-7 699 Napa Highway from Napa to Wooden Valley Napa (n slope of George Mountain, along Sarco Creek); George Mountain, Sarco Creek 152 Comment
  UCD170429  Centaurea calcitrapa Daniel Potter; Daniel McNair 2016-4-23 922 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  UCD149664  Centaurea melitensis Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  JEPS106536  Centaurium davyi Jake Ruygt 1978-5-27 339 Napa 3.6 miles NE of Monticello Rd. on Atlas Peak Rd. 237 Comment
  JEPS46948  Centaurium trichanthum W. L. Jepson 1895-8-30 14634 Napa Calistoga Napa River Basin Comment
  UC22707  Centaurium trichanthum H. N. Bolander 1863-9-20 2652 Napa Pope Valley Comment
  UC1195666  Centaurium trichanthum A. R. Kruckeberg 1947-6-15 1493 Napa 0.7 mi w Knoxville (along Knoxville-Lowre Lake Road) Comment
  UC1618007  Centaurium venustum Donald G. Nelson 1940-8-7 700 Napa about 1 mile NW of Knoxville on road to Clear Lake. Comment
  JEPS38152  Centromadia fitchii W. L. Jepson 1930-10-19 15688 Napa Pope Valley Comment
  JEPS38180  Centromadia fitchii Willis L. Jepson 1893-9-25 Napa Suscol Hills Comment
  CAS-BOT-BC272825  Centromadia parryi subsp. parryi David D. Keck; J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi. N. of the center of town at the geysers Comment
  CAS-BOT-BC272826  Centromadia parryi subsp. parryi David D. Keck; J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi. N. of the center of town at the geysers Comment
  JEPS122713  Centromadia parryi subsp. parryi Jake Ruygt 1994-6-7 3397 Napa Calistoga Airport. Quad: Calistoga. Comment
  JEPS18290  Centromadia parryi subsp. parryi Peter H. Raven 1957-5-5 10742 Napa at Airport (near the hot springs); Calistoga 91 Comment
  UC725795  Centromadia parryi subsp. parryi A. A. Heller 1927-8-26 14465 Napa Calistoga Comment
  JEPS51353  Cerastium glomeratum W. L. Jepson 1921-5-6 9178 Napa Calistoga 109 Comment
  JEPS126119  Ceratophyllum demersum Jake Ruygt 1992-7-18 3097 Napa Small lake on Tuteur Ranch, beyond end of Green Valley Road. Mount George 7.5' Qua. Comment
  RSA195520  Cercis occidentalis John H. Thomas 1955-5-21 5156 A Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 168 Comment
  UC1540472  Cercis occidentalis Ethel Crum 1937-4-18 1787 Napa on Knoxville Rd 11 mi n Monticello Comment
  UCD105654  Cercis occidentalis D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 330 Comment
  CAS-BOT-BC179382  Cercis occidentalis H. E. McMinn 1925-1-23 1375 D Napa unspecified Comment
  SEINET10451038  Cercis occidentalis John T. Middleton 1936-3-21 Middleton 86 Napa Comment
  CHSC20625  Cercocarpus betuloides Robert A. Schlising 1964-3-24 2656 Napa 5.3 mi south of Jct Oakville Grande and Mount Veeder Road. California Coast Ranges. Comment
  UC894475  Chaenactis glabriuscula var. heterocarpha Milo S. Baker 1931-4-19 5413 Napa just nw of School house (along highway, Conn Valley); Conn Valley Comment
  CDA34658  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 miles (air) west of Winters. Comment
  JEPS106426  Chamaesyce serpillifolia subsp. serpillifolia Jake Ruygt 1991-6-29 2761 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 115 Comment
  CAS-BOT-BC70162  Cheilanthes gracillima Belle Richardson Jackson 1924-10-22 s.n. Napa Top of Mt. St. Helena Comment
  JEPS126100  Chenopodium album Jake Ruygt 1986-7-12 1870 Napa East bank of Napa River just east of confluence Tulocay Creek. Napa 7.5' Qua. Comment
  JEPS106723  Chenopodium californicum Jake Ruygt 1989-4-22 2268 Napa east of HWY 121 on HWY 128 Comment
  UCD148777  Chenopodium californicum Jake Ruygt 2005-2-12 4695 Napa Napa County; Berryessa Knoxville Road at south entry into Knoxville Wildlife Area. 234 Comment
  JEPS126101  Chenopodium murale Jake Ruygt 1986-10-12 1918 Napa Trancas Street east of Highway 29, Napa. Napa 7.5' Qua. Comment
  JEPS115759  Chenopodium pumilio Lowell Ahart 2009-10-27 16484 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 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
  JEPS129129  Chlorogalum angustifolium Jake Ruygt 2015-4-25 6082 Napa Missimer-Snell Valley Preserve. Yountville 7.5' Quad. Comment
  UCD48758  Chlorogalum pomeridianum M. Eng 2002-5-4 7 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of West and East roads, along lower road leading to power lines. 297 Comment
  UCD68010  Chlorogalum pomeridianum P. J. Plummer 1995-6-5 s.n. Napa Napa County Highway 128. 73 Comment
  UCD48272  Chlorogalum pomeridianum var. pomeridianum S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson,A. Houser,S. Wathen 2000-4-22 26 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  CAS-BOT-BC238001  Chloropyron molle subsp. molle Peter H. Raven 1952-8-26 5138 Napa Nr. Bentley Wharf 15 Comment
  CAS-BOT-BC285218  Cichorium intybus J. H. Thomas 1960-8-29 8837 Napa About 1 mile north of Calistoga along highway number 53 Comment
  JEPS35982  Cichorium intybus W. L. Jepson 1917-8-16 7432 Napa St. Helena Comment
  UCD38384  Cichorium intybus B. Crampton 1952-11-18 956 Napa About 4 miles n. of Vallejo on road to Napa. Comment
  UCD127359  Cicuta douglasii Lloyd Harwood 1972-11-6 s.n. Napa Wild Horse Valley Ranch. Comment
  CAS-BOT-BC278017  Cirsium cymosum Peter H. Raven 1950-6-20 2560 Napa In the Napa Range between Conn Valley & Summit of Howell Mountain Comment
  UC1745943  Cirsium cymosum var. cymosum Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2782 Napa Headwaters of Moore Creek, Las Posadas State Forest. 3-4 mi. E of Angwin. 518 Comment
  OBI76869  Cirsium douglasii var. douglasii Neal Kramer 2012-7-18 2065 Napa Approx 1.3 mi W of jctn I-80 and American Cyn Rd NAD83 UTM 10S 0567936E 4224770N 72 Comment
  CDA1305  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2254 -B Napa 2.7 km. west of Oakville; Oakville Grade, roadside cut west of summit. Comment
  POM352174  Cirsium occidentale var. venustum T. Gertrude Williamson 1924-7-4 s.n. Napa Near St. Helena, Sulphur Springs Comment
  RSA594918  Clarkia John H. Thomas 1955-5-21 5112 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  UC1299419  Clarkia amoena Freed W. Hoffman 1947-6-19 1652 Napa near Knoxville; North Coast Ranges Comment
  CAS-BOT-BC160920  Clarkia amoena subsp. amoena M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  RSA0059975  Clarkia amoena subsp. huntiana James L. Reveal 1987-6-7 6406 Napa Along California Highway 128 near its intersection with the Berryessa-Knoxville Road, about 5 miles west-northwest of Moskowite Corner, about 13.5 airline miles north of Napa. 244 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
  UCSC007502  Clarkia concinna L. D. Gottlieb 1988-7-7 15884 Napa Hwy 128 near Soda Creek bridge 198 Comment
  UCD21810  Clarkia concinna L. D. Gottlieb 1987-8-1 8740 Napa Hwy. 128, immediately west of Conn Dam. Comment
  JEPS43613  Clarkia concinna subsp. concinna W. L. Jepson 1896-6-2 14426 Napa mouth Conn Valley (Conn Ridge); Napa Valley Comment
  JEPS43619  Clarkia concinna subsp. concinna W. L. Jepson 1904-6-3 2438 Napa St. Helena to Howell Mt. Comment
  RSA209534  Clarkia concinna subsp. concinna Betty H. Johnson 1958-6-8 592 Napa Near St. Helena River, at the Mill House , 6.4 miles SW of Middletown Comment
  CAS-BOT-BC164629  Clarkia gracilis subsp. gracilis Peter H. Raven 1952-5-26 4041 Napa St. Helena to Howell Mt. 304 Comment
  JEPS13167 Image available Clarkia gracilis subsp. gracilis W. L. Jepson 1894-5-1 13339 Napa mouth Conn Valley; Napa River Basin; Conn Valley, Napa River Basin Comment
  JEPS43655  Clarkia gracilis subsp. sonomensis W. L. Jepson 1893-1 14353 Napa Howell Mt. Comment
  UCD104571  Clarkia gracilis subsp. tracyi L. P. Thibault 1995-6-2 61 Napa West side of Lower Chiles Valley Road, 1/4 mile NW of Highway 128. 300 Comment
  UCD167272  Clarkia gracilis subsp. tracyi Jake Ruygt 2007-6-21 5225 Napa Las Posadas State Forest, between Moore Creek and Uncle John Creek. 353 Comment
  CAS-BOT-BC163829  Clarkia purpurea subsp. quadrivulnera Alice Eastwood 1915-6-5 4643 Napa Calistoga Comment
  JEPS110732  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1998-6-24 4052 Napa Rocky Ridge, east of Apple Tree Canyon. 676 Comment
  JEPS110774  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1987-5-16 1997 Napa Devil's Canyon near waterfall 594 Comment
  UC142974  Clarkia purpurea subsp. quadrivulnera Katharine Brandegee July 1910 Napa near Angwin Comment
  UCD104922  Clarkia purpurea subsp. quadrivulnera Heidi E. M. Dobson 1978-6-14 339 Napa East slope of Mt. Veeder. Comment
  UCD20729  Clarkia purpurea subsp. quadrivulnera Ellen Dean; w/ Mark Bibbo 2002-6-17 1093 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
  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
  RSA491722  Clarkia unguiculata James L. Reveal 1987-6-7 6392 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road, about 5.5 miles west-northwest of Vacaville. 183 Comment
  POM215776  Clarkia unguiculata D. D. Keck 1933-5-29 2353 Napa Pope Creek bridge south of Walters Springs. Comment
  UCD105083  Clarkia unguiculata J. D. Skoss 1948-6-6 20 Napa Putah Canyon. Comment
  CAS-BOT-BC439132  Claytonia exigua subsp. exigua John Thomas Howell 1926-3-21 1727 A Napa St. Helena Creek below Patten's Comment
  JEPS129175  Claytonia exigua subsp. exigua Jake Ruygt 2015-3-10 6036 Napa Sutro Ranch, east side of Atlas Peak. Yountville 7.5' Quad. Comment
  CAS-BOT-BC439374  Claytonia gypsophiloides L. R. Abrams 1928-5-3 12241 Napa Summit St. Helena Grade Comment
  JEPS43324  Claytonia gypsophiloides W. L. Jepson 1910-3-28 4020 Napa sw of Calistoga (Rebecca Ranch grade) Comment
  RSA31697  Claytonia gypsophiloides A. A. Heller 1929-3-16 s.n. Napa Grade near foot of Mt. St. Helena. Comment
  UC7856  Claytonia gypsophiloides Willis L. Jepson 1894-5-1 Napa Upper Napa Valley; Napa River Basin Comment
  UCD117465  Claytonia parviflora subsp. parviflora Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside near drainage pipe. 519 Comment
  UCD49142  Claytonia parviflora subsp. parviflora S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 30 A Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-Off Rd. 152 Comment
  CAS-BOT-BC233834  Claytonia parviflora subsp. parviflora John Thomas Howell 1931-4-3 6132 Napa Pope Creek Canyon 8 miles from Monticello Comment
  UCD20831  Claytonia perfoliata N. Nicola 2001-3-30 047 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  UCD15052  Claytonia perfoliata F. Takeda 1977-4-24 41 Napa Scagg Canyon, along Highway 128, 6.4 miles southwest of Monticello Dam. 182 Comment
  UCD117482  Claytonia perfoliata subsp. perfoliata Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 8 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside near drainage pipe. 519 Comment
  RSA195387  Claytonia rubra Gilbert Muth 1967-4-9 609 Napa Bateman Creek. 610 Comment
  CAS-BOT-BC91449  Clematis lasiantha J. M. Bigelow 1854-4-27 s.n. Napa Hillsides, Napa Valley. Comment
  SEINET9364415  Clematis lasiantha Unknown 1995-4-16 Napa Napa County Comment
  UCD95605  Clematis lasiantha Beecher Crampton 1970-4-15 8562 Napa 1 mile west Monticello Dam. State Hwy. 128. Comment
  UCD95591  Clematis ligusticifolia H. Popenoe 1949-6-4 32 Napa 11.5 miles from Winters on road to Monticello. Comment
  CAS-BOT-BC92680  Clematis ligusticifolia H. E. McMinn 1922-8-1 384 Napa Unspecified. Comment
  UC766312  Collinsia greenei R. F. Hoover 1941-4-26 4918 Napa between Samuel Springs and Walter Springs (Pope Cr) Comment
  UCD48210  Collinsia heterophylla S. Olmsted; A. Atamian, R. Brush, C. Owens, M. Furuyama 2000-4-29 17 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
  UCD71289  Collinsia sparsiflora Kook-Hyun Chung 2001-4-28 6 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; Along West Road, Ca. 0.45 miles(2400ft) NW of jct with South Decker Canyon Road; down slope of road ca. 20 m, On edge of opening interior live oak woodland; flower purple with white center, annual 242 Comment
  CDA11625  Collinsia sparsiflora var. arvensis G. F. Hrusa, S. Larson 1995-4-1 12064 Napa North Coast Biodiversity Arena; Chiles Valley/Pope Valley Rd. approx 2 m. S of Pope Canyon Rd. intersection. Comment
  JEPS112522  Collinsia sparsiflora var. arvensis Jake Ruygt 1996-3-23 3530 Napa .3 mile from Pope Canyon Road on Hardin Road, near airstrip. 184 Comment
  POM204283  Collinsia sparsiflora var. arvensis J. T. Howell 1931-4-19 6464 Napa Conn Valley. Comment
  UC1196820  Collinsia sparsiflora var. arvensis Joseph P. Tracy 1933-4-30 12110 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain, La Jota Plateau); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UCR139462  Collinsia sparsiflora var. arvensis J. T. Howell 1931-4-19 6464 Napa Coast Range, Conn Valley 183 Comment
  JEPS15592  Collinsia sparsiflora var. arvensis Rimo Bacigalupi with John Dawson 1955-4-25 4844 Napa 0.75 mi w, below Lake Hennessey Dam (along Conn Creek rd) 79 Comment
  POM182734  Collinsia sparsiflora var. arvensis D. D. Keck 1931-4-2 1051 Napa 4 miles S of Monticello, eastern Napa County. 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
  CHSC10572  Collinsia sparsiflora var. collina Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  JEPS112529  Collinsia sparsiflora var. collina Jake Ruygt 1982-5-16 1268 Napa .2 mile south of Foss Valley on Atlas Peak Rd. 420 Comment
  UC26644  Collinsia sparsiflora var. collina Willis L. Jepson 1893-4-28 Napa plateau n of Wooden Valley grade; Napa River Basin, Napa range Comment
  JEPS17750  Collinsia sparsiflora var. collina Francia Chisaki 1957-5-30 965 Napa along State Highway 37 Summit of grade between Wooden Valley Creek and Capell Creek 344 Comment
  SEINET4208221  Collinsia sparsiflora var. sparsiflora Richard R. Halse 2013-3-27 8756 Napa Along State Hwy. 128 ca 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners.; 0 239 Comment
  UC614494  Collinsia sparsiflora var. sparsiflora L. Constance 1938-3-27 2038 Napa 5 mi e of Napa (e slope in Howell Mountains, North Coast Ranges); North Coast Ranges, Howell Mountains 457 Comment
  UCD116974  Collinsia sparsiflora var. sparsiflora Jillian Howard; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just NE of fire station along dirt road. 519 Comment
  UCD123675  Collinsia sparsiflora var. sparsiflora G. F. Hrusa 1995-4-2 12044 Napa above Highway 128. 200 Comment
  SBBG6883  Collinsia sparsiflora var. sparsiflora H. and M. Dearing 1939-5-1 3246 Napa top of Spring Mtn grade 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
  SEINET2444680 Image available Collomia diversifolia Dean W. Taylor 1998-6-18 16671 Napa Butts Canyon. Small side canyon 0.5 mi above (north of) mouth into Pope Valley.; 0 290 Comment
  UC908766  Collomia heterophylla P. B. Kennedy 1929-5-23 Napa Moore Creek Howell Mountain Comment
  UC103417  Cordylanthus pilosus subsp. pilosus Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
  JEPS6778  Cordylanthus pilosus subsp. pilosus Willis L. Jepson 1893-9-23 21338 Napa near Calistoga; Upper Napa Valley, Napa River Basin Comment
  JEPS6809  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1898-1-4 21347 Napa Howell Mt. Napa Range Comment
  CDA30783  Cordylanthus tenuis subsp. brunneus V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  UC146880  Cordylanthus tenuis subsp. brunneus Katharine Brandegee 1910-1 Napa near Angwin Comment
  CAS-BOT-BC209798  Cornus glabrata John Thomas Howell 1939-5-7 14654 Napa 3 1/2 miles from Knoxville on road to Lower Lake Comment
  RSA41989  Cornus glabrata Ella Dales Cantelow 1939-5-7 2530 Napa 3.5 miles S.E. of Knoxville. Comment
  SEINET3089139 Image available Cornus nuttallii Royal D. Suttkus 1967-6-26 67- 30 -15 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  JEPS97929  Coronopus squamatus Jake Ruygt 1997-4-28 3839 Napa S of Napa (E of Hwy 29, S of South Kelly Road) 19 Comment
  CAS-BOT-BC180345  Corylus cornuta subsp. californica D. E. Breedlove 1980-6-27 44785 Napa 2.2 miles W of Calistoga at Highway 128 on road to Santa Rosa Comment
  CAS-BOT-BC180346  Corylus cornuta subsp. californica Peter H. Raven 1952-5-26 4047 Napa Howelll Mt. 426 Comment
  JEPS110659  Cotoneaster pannosus Jake Ruygt 2005-6-12 4920 Napa Monticello Road, 0.9 mi E of Atlas Peak Road 79 Comment
  UC1198823  Crassula aquatica Joseph P. Tracy 1902-5-21 1609 Napa 3 - 4 mi. e. Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt. 518 Comment
  UC1300834  Crassula connata var. subsimplex Helen K. Sharsmith 1963-3-17 5217 Napa s. side Mt. Atlas; San Francisco Bay Region 609 Comment
  JEPS129024  Crepis pulchra Jake Ruygt 2016-5-7 6240 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  JEPS117993  Crepis pulchra Zoya Akulova-Barlow 2011-5-22 Napa South of Youngtville, between Solano Avenue and rail road. Comment
  UC1746479  Crepis pulchra Jake Ruygt 1999-5-15 4158 Napa W of Napa (along Patrick Rd., cs 2 mi w of Browns Valley Rd.) 200 Comment
  UCD167446  Crocanthemum James A. Neilson Jr. 1979-5-25 3975 Napa 1 1/2 mile northwest of Knoxville. Manhattan Mine area. (Manhattan Mine is now known as Homestake McLaughlin Mine. Unnumbered specimen; notes on specimen were matched with notes in notebook based on the date and occurrence of 'calcedny' (calcedony is believed to be a phonetic spelling of the mineral chalcedony). Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD116514  Crocanthemum scoparium Beecher Crampton 1956-5-25 3480 Napa Howell Mountains, above southwest corner of Wooden Valley. Comment
  UCD161216  Crocanthemum scoparium Jake Ruygt 1989-7-1 2393 Napa Mt. Vaca. 755 Comment
  CHSC102518  Croton setiger Lowell Ahart 2009-10-12 16438 Napa Below the high water line on 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
  CAS-BOT-BC190055  Crypsis schoenoides Peter H. Raven 1951-10-28 3936 Napa Strand at west end of Conn Lake. 152 Comment
  CHSC102273  Crypsis schoenoides Lowell Ahart 2009-10-12 16462 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  SD211506  Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7963 Napa Lake Hennessey circa 15 sirmiles North-Northwest of Napa, on Conn Creek in North Coast Ranges; East of boat-launching ramp on Southeast edge 91 Comment
  UC1950066  Crypsis schoenoides Barbara Ertter with Elizabeth Neese 1988-10-2 7958 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; S side Rt 128 across from spillway Comment
  RSA0020855  Crypsis schoenoides David J. Keil 1986-11-8 19798 Napa Along Lake Berryessa Knoxville Road near Knoxville. 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill. 350 Comment
  SEINET4343824 Image available Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7963 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge 91 Comment
  UCD149660  Cryptantha flaccida 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
  SEINET4856108  Cryptantha hispidula Carl F. Baker 1903-5-8 2966 Napa Knoxville. 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
  UCD47943  Cryptantha hispidula J. Waggoner; E. Anderson, L. Lina, A. Miles, and R. Wenk 2000-4-22 9 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UC726222  Cryptantha hispidula A. A. Heller 1941-5-16 16126 Napa w of Knoxville (near the summit of the first ridge) Comment
  JEPS67651  Cryptantha intermedia W. L. Jepson 1938-5-25 18861 Napa Bell Canyon Napa Range, Howell Mt. 579 Comment
  UC1731390  Cryptantha microstachys Dean W. Taylor 1998-6-18 16677 Napa ridge dividing Butts Canyon and Spanish Valley; North Coast Ranges 502 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
  UCD47944  Cryptantha muricata M. Carson; A. Haselby, S. Howard, P. Meyers 2000-4-29 4 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  JEPS126074  Cryptantha nemaclada Jake Ruygt 1981-4-18 977 b Napa Harris Canyon. Napa 7.5' Quad. Comment
  UCD133528  Cupressus macnabiana D. Mattson 1969-10-18 9 Napa Knoxville Public Lands. Comment
  NY16702  Cupressus macnabiana P. H. Raven 1951-10-28 3958 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CHSC22657  Cupressus sargentii Robert A. Schlising; Glenn Keator 1962-1-25 2026 Napa Mt. Saint Helena, NW Corner of Napa County. Comment
  RSA129445  Cupressus sargentii A. E. Wieslander 1934-2-25 371 Napa Calistoga - Middletown: 3 miles east of Mt. St. Helena 610 Comment
  RSA15666  Cupressus sargentii C. B. Wolf 1928-2-25 1507 Napa 3 miles N of summit of the Mt. St. Helena Grade, near the Napa Lake County line. Comment
  UC766773  Cupressus sargentii R. F. Hoover 1941-4-26 4930 Napa a short distance below Lake County line; Butts Canyon Comment
  UCD133660  Cupressus sargentii C. B. Wolf; E. R. Johnson 1934-10-16 6193 Napa Above Aetna Springs about .5 mi. SW of Quicksilver Mine. 457 Comment
  UCD163406  Cupressus sargentii D. Slakey; CNPS Volunteers 2015-4-25 120 Napa South side of Hunting Creek Road, about 900 road meters east of the Campground at the west end of the road. Behind fence. 411 Comment
  SEINET10932814  Cupressus sargentii Carl B. Wolf, E. R. Johnson 1934-10-17 Wolf 2152 Napa On Middletown-Calistoga Road, 90 m south of Lake County line. 455 Comment
  UCD170462  Cuscuta Daniel Potter; Ninh Khuu 2016-6-18 891 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 442 Comment
  JEPS120413  Cuscuta Jake Ruygt 2010-6-19 5608 Napa Berryessa-Knoxville Rd. north of Knoxvile site, at vernal pool. Comment
  UCD170283  Cuscuta brachycalyx Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 823 Napa Knoxville Wildlife Area, north of Nevada Creek. 481 Comment
  UCD126264  Cuscuta californica Joe Solomone 1950-8-1 s.n. Napa above Monticello. Comment
  JEPS116547  Cuscuta pentagona Jake Ruygt 1979-6-30 730 Napa 0.15 mile north of Ragatz Lane on Highway 29. 7.5' Yountville Quad. Comment
  UC127129  Cuscuta subinclusa Harley P. Chandler Sep 7 1906-Sep 14 1906 7123 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC129079  Cuscuta subinclusa Harley P. Chandler Sep 7 1906-Sep 14 1906 7124 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC450145  Cuscuta subinclusa Milo S. Baker Aug 1900 Napa near S.P.R.R. drawbridge; Napa River Comment
Read comments Jan 7 2012
  RSA611429  Cynoglossum grande Joseph A. Ewan 1934-3-18 8661 Napa Steel Canyon. Comment
  UCD119178  Cynoglossum grande Evert I. Schlinger 1952-3-16 19 Napa Putah Canyon. Comment
  UCD95967  Cynoglossum grande Ellen Dean; with Clare Loughran 2011-5-20 7062 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 612 Comment
  CAS-BOT-BC114678  Cyperus eragrostis Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga. Comment
  UCD149600  Cyperus eragrostis Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UC579871  Cyperus eragrostis Annetta Carter 1935-12-1 1018 Napa w. side Wooden Valley Grade Comment
  CDA29763  Cyperus erythrorhizos M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 218 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  JEPS115959  Cyperus erythrorhizos Lowell Ahart 2009-10-12 16458 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Win 133 Comment
  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
  UCR146402  Cyperus erythrorhizos Beecher Crampton 1954-10-26 2299 Napa Inner North Coast Ranges, 4 miles east of Rutherford, Conn Reservoir 122 Comment
  UCR263782  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa North Coast Ranges, Lake Hennesy c. 15 air miles north-northwest of Napa, on Conn Creek, east of boat-launching ramp on southeast edge. 91 Comment
  JEPS121347  Cyperus niger Jake Ruygt 1992-8-18 3130 Napa Wild Horse Valley Ranch, east of Johnson's Meadow. Comment
  CAS-BOT-BC70741  Cystopteris fragilis Peter H. Raven 1953-4-2 5292 Napa Tulucay Creek 243 Comment
  UCD136345  Cystopteris fragilis D. H. Hartmann 1942-3-7 s.n. Napa In Green Valley. Comment
  JEPS110931  Damasonium californicum Jake Ruygt 1982-6-13 1321 Napa Pope Canyon Rd. , (vernal pond) 185 Comment
  UC185006  Danthonia californica J. P. Tracy 1902-5-21 1612 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 518 Comment
  UCD60520  Danthonia californica Beecher Crampton 1962-5-16 6437 Napa Pope Valley (the town). Comment
  JEPS126109  Datisca glomerata Jake Ruygt 1979-6-16 701 Napa Dry Creek Road, near Oakville Grade. Rutherford 7.5' Qua. Comment
  CHSC102261  Datura stramonium var. tatula Lowell Ahart 2009-10-27 16502 Napa Below the high water line of Lake Berryessa, about 200 yards east of Eticuera Creek, about 150 yards southeast 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
  JEPS115751  Datura stramonium var. tatula Lowell Ahart 2009-10-27 16502 Napa Below the high water line of Lake Berryessa, about 200 yards east of Eticuera Creek, about 150 yards southeast 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
  UCD48429  Daucus pusillus Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 4 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Road ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 228 Comment
  JEPS60582  Delphinium decorum Willis L. Jepson 1893-5-2 Napa Pope Valley grade from Calistoga Napa River Basin (near summit) Comment
  UC532069  Delphinium hesperium David D. Keck 1933-5-29 2366 Napa Pope Creek bridge s Walters Springs Comment
  CAS-BOT-BC10196  Delphinium hesperium Clara A. Hunt 1923-4-1 s.n. Napa Mts. near St. Helena Comment
  UCD95839  Delphinium hesperium H. Lewis; G. Mehlquist 1941-5-9 s.n. Napa Monticello to Napa road, 1.5 miles S. of road to St. Helena. Comment
  HSC47888  Delphinium hesperium subsp. pallescens H. Lewis, G. Mehlquist 1941-5-9 Napa 13.4 mi. N of Monticello 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
  RSA787109  Delphinium nudicaule Keith E. Hoffmaster 1946-3-23 1222 -a Napa Napa range, along Napa-Monticello road. Comment
  CAS-BOT-BC9814  Delphinium nudicaule John Thomas Howell 1926-3-20 1697 Napa Old toll toad to Mt. St. Helena Comment
  UC635346  Delphinium patens H. L. Mason 1928-4-13 4330 Napa hills between Santa Rosa and Calistoga Comment
  RSA195349  Delphinium patens Gilbert Muth 1967-5-19 697 Napa Milliken Dam. 335 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
  CAS-BOT-BC17150  Delphinium uliginosum R. C. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6684 Napa Butt's Canyon, 10 mi. from Howell Mt. 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
  SEINET5718464 Image available Delphinium uliginosum James W. Katberg 1966-1 45 Napa Cedar Valley, south of Knoxville.; Cedar Valley Comment
  CAS-BOT-BC7911  Delphinium variegatum Ella D. Cantelow 1939-4-8 2523 Napa Pope Creek, near Jct. of Samuel's Springs Road Comment
  LA207640  Delphinium variegatum H. Lewis; G. Mehlquist 1941-5-9 sn Napa 16.2 mi. N of Monticello Comment
  RSA149657  Delphinium variegatum Harlan Lewis, G. Mehlquist 1941-5-8 s.n. Napa Monticello to Napa road 5.1 miles S of the road to St. Helena Comment
  UC1031440  Delphinium variegatum H. Lewis and G. Mehlquist 1941-5-9 Napa Monticello to Napa Rd 5.1 mi s road to St. Helena Comment
  JEPS110974  Delphinium variegatum subsp. variegatum Jake Ruygt 1992-5-20 2987 Napa south of Leoma Lakes, Wild Horse Valley Ranch 411 Comment
  JEPS23364  Delphinium variegatum subsp. variegatum Willis L. Jepson 1893-5-1 Napa hills near Calistoga; Napa River Basin, Upper Napa Valley Comment
  POM182731  Delphinium variegatum subsp. variegatum D. D. Keck 1931-4-2 1054 Napa 4 miles S of Monticello, eastern Napa County. Comment
  UCR43202  Deschampsia cespitosa subsp. cespitosa L. F. LaPre 1985-6-8 s.n. Napa Inner N Coast Ranges, 'Rare Plant Canyon,' a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville and just east of the Lake Co. line 366 Comment
  CAS-BOT-BC198142  Deschampsia danthonioides Peter H. Raven 1951-6-10 2928 Napa Crater Region S of Palisades 762 Comment
  JEPS122989  Deschampsia danthonioides Jake Ruygt 1982-4-29 1213 Napa Suscol plain between Kaiser (Napa Pipe) and Highway 29 (221). Quad: Napa. Comment
  UC65168  Deschampsia danthonioides W. L. Jepson 1896-6-2 Napa near St. Helena St. Helena; Napa Valley Comment
  UCD63297  Deschampsia elongata Beecher Crampton 1956-5-25 3469 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  JEPS64159  Dichelostemma capitatum Willis L. Jepson 1893-5-2 20968 Napa e from Calistoga (on New Pope Valley grade); Napa Range, New Pope Valley Grade Comment
  UC3238  Dichelostemma capitatum Willis L. Jepson 1893-5-2 Napa New Pope Valley grade Napa River Basin Comment
  UCD14946  Dichelostemma capitatum Glen Dreyer 1977-4-16 35 Napa California, Napa Co.; ca. 4 miles west of Monticelo Dam, about 20 ft. off of Highway 128; Comment
  UCD20681  Dichelostemma capitatum L. P. Thibault 1995-6-2 57 Napa South side of Hwy 128 approx. 0.5 mi. west of junction with Hwy 121. 275 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
  CAS-BOT-BC499418  Dichelostemma capitatum Willis L. Jepson 1897-1-1 s.n. Napa St. Helena, Napa River Basin Comment
  JEPS64153  Dichelostemma capitatum W. L. Jepson 1897-5-2 20985 Napa St. Helena Napa Valley Comment
  UCD148246  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2013-4-6 2907 Napa Lake Hennessey, at the public fishing access on Conn Valley Rd. 99 Comment
  UCD170368  Dichelostemma congestum Daniel Potter; N Khuu, K Battenberg 2016-4-30 866 Napa Knoxville Wildlife Area, on ridge west of Zim Zim Falls Creek trailhead. Comment
  CAS-BOT-BC502161  Dichelostemma congestum Betty H. Johnson 1958-6-15 642 Napa Near creek, 1/4 mi above Mt. Mills house, 6.4 miles SW of Middletown. Comment
  SEINET3885705  Dichelostemma pulchellum Linda Dodge 1974-4-13 10 Napa Wallace Hardin Ranch, 3.9 miles northeast of junction of Pope Canyon Road and Chiles Valley Road.; 0 183 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
  CAS-BOT-BC150366  Diplacus aurantiacus L. R. Abrams 1916-7-12 5769 Napa Near St. Helena Sanitarium Comment
  CAS-BOT-BC151879  Diplacus congdonii David D. Keck 1931-4-2 1016 Napa Wooden Valley Grade west side of Napa Range, 5 miles NE of Napa 170 Comment
  CAS-BOT-BC153279  Diplacus kelloggii Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  JEPS8807  Dipsacus fullonum W. L. Jepson 1936-5-30 17563 Napa Napa Valley, Rutherford Rutherford; Napa Valley, Rutherford Comment
  CDA6691  Dipsacus fullonum Margaret Bellue 1933-5-8 Napa 0 Comment
  UCD64179  Distichlis spicata Beecher Crampton 1956-5-21 3445 Napa Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  RSA769219  Dittrichia graveolens L. Ahart 2009-10-27 16503 Napa Intersection of Pope Canyon Road and Berryessa Knoxville Road, near Lake Berryessa, about 20 air miles west of Winters 152 Comment
  UC917150  Dodecatheon hendersonii D. C. Finfrock 1950-4-2 16 Napa on Pope Valley Road two mi from St. Helena; 2 mi from St. Helena Comment
  UCD73390  Dodecatheon hendersonii 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
  RSA461376  Dodecatheon hendersonii H. de Forest 1930-3-23 s.n. Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  UCD14887  Dodecatheon hendersonii Chris Chan 1991-3-28 2 Napa California, Napa Co.; at Lake Berryessa, just west of Monticello Dam, along Highway 128; 203 Comment
  UCD15067  Dodecatheon hendersonii Marcia R. Davis 1977-4-16 16 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam, on the left side of the road while travelling southwest; 213 Comment
  JEPS106567  Downingia concolor var. concolor Jake Ruygt 1978-5-14 308 Napa .3 miles south of Oak Knoll Ave. on Silverado Trail;east 19 Comment
  UCD148768  Downingia concolor var. concolor Jake Ruygt 1982-6-13 1322 Napa Napa County; Pope Canyon Rd., near large vernal pond on south side of road. 185 Comment
  UCD167135  Downingia cuspidata Jake Ruygt 2015-5-23 6108 d Napa West of Buck Mountain. 599 Comment
  RSA123326  Drymocallis glandulosa var. glandulosa B. O. Schreiber 1936-3-5 2202 Napa 1.5 miles W of Calistoga 152 Comment
  CDA11616  Dryopteris arguta G. F. Hrusa, G. L. Stebbins 1994-3-11 11614 Napa North Coast Biodiversity Arena; Las Posadas State Forest, immediately E of Fire Station. Comment
  RSA693749  Dryopteris arguta B. C. Templeton 1957-6-26 s.n. Napa Near Hill and Connors anches, Calistoga Comment
  JEPS49907  Dudleya caespitosa W. L. Jepson 1924-5-8 10418 a Napa Pope Creek 304 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
  UCD161524  Dudleya cymosa Jake Ruygt 1990-6-9 2582 Napa Huichica Creek south of Lovall Valley. 170 Comment
  CAS-BOT-BC428152  Dudleya cymosa subsp. cymosa J. Clausen 1935-5-22 1066 Napa 19.5 mi. S.E. of Lower Lake, on the Monticello road Comment
  JEPS126102  Dysphania pumilio Jake Ruygt 1991-6-29 2760 Napa 3.2 miles north of Pope Canyon Road on Barryessa-Knoxville Road. Walter Springs 7.5' Qua. Comment
  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
  HSC90855  Echinodorus berteroi Barbara Ertter, Elizabeth Neese 1988-10-2 7968 Napa Lake Hennessey, 15 mi. NNW of Napa, on Conn Creek in N Coast Ranges, E of boat-launching ramp on SE edge 91 Comment
  SD131804  Echinodorus berteroi Barbara Ertter, Elizabeth Neese 1988-10-2 7968 Napa Lake Hennessey about 15 airmiles north-northwest of Napa, on Conn Creek in North Coast Ranges; east of boat-launching ramp on southeast edge 89 Comment
  UC1222177  Echinodorus berteroi Joseph P. Tracy 1950-8-12 19305 Napa Conn Valley Reservoir Comment
  CHSC102282  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, about 20 miles (air) northwest of Winters. 130 Comment
  CDA15844  Egeria densa O. Dannenberg 1999-10-12 PDR 1103332 Napa Pond at Bubbling Well Pet Memorial Park, city of Napa. Present in this site >20 yrs. 0 Comment
  UCD167244  Ehrendorferia chrysantha Jake Ruygt 2000-6-10 4269 Napa Devilhead Road at top of first grade. 493 Comment
  JEPS129118  Eleocharis coloradoensis Jake Ruygt 2001-7-8 4328 Napa Lake Hennessey at the boat ramp. Yountville 7.5' Quad. Comment
  JEPS129120  Eleocharis coloradoensis Jake Ruygt 2010-8-24 5755 Napa Barton Hill, northwest shore of Lake Berryessa. Walter Springs 7.5' Quad. Comment
  UCD161293  Eleocharis palustris Jake Ruygt 1978-5-15 316 Napa east end of Cunard Street, Napa. (Note from label maker: township/range given conflicts with street directions. Georeferenced according to street name). 6 Comment
  UCD73492  Eleocharis palustris Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD161512  Eleocharis parishii Jake Ruygt 1989-5-9 2311 -a Napa American Canyon, Avilla Ranch. 85 Comment
  CAS-BOT-BC203833  Elymus X hansenii Peter H. Raven 1952-6-28 4206 Napa Conn Valley 137 Comment
  JEPS122982  Elymus elymoides var. elymoides Jake Ruygt 1994-5-17 3383 Napa Butts Canyon Road; Juliana Vineyards. Quad: Aetna Springs. Comment
  UC187088  Elymus glaucus J. P. Tracy 1902-5-21 1595 Napa 3-4 mi e Angwin (head of creek); Howell Mountain, Morre's Creek 396 Comment
  JEPS122980  Elymus glaucus subsp. glaucus Jake Ruygt 1990-5-16 2551 Napa Calistoga Campground, Lommel Road. Quad: Calistoga. Comment
  JEPS122981  Elymus glaucus subsp. glaucus Jake Ruygt 1992-5-20 2989 Napa West of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mount George. Comment
  CAS-BOT-BC234136  Elymus multisetus Peter H. Raven 1952-5-31 4143 Napa Summit of hills SW of Rector Canyon 304 Comment
  CAS-BOT-BC204246  Elymus trachycaulus subsp. subsecundus Peter H. Raven 1951-10-28 3927 Napa Conn Valley 152 Comment
  UCD119205  Emmenanthe penduliflora K. Esau; E. Hyde 1938-5-25 s.n. Napa location unknown. Comment
  CAS-BOT-BC171954  Epilobium canum subsp. latifolium L. R. Abrams 1916-7-2 5753 Napa St. Helena Sanitarium Comment
  UCD67613  Epilobium canum subsp. latifolium D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-10 s.n. Napa Lake Berryessa. Near Monticello Dam. 180 Comment
  UC19960  Epilobium densiflorum Willis L. Jepson 1892-7 Napa Knoxville Comment
  JEPS2500 Image available Epilobium densiflorum Willis L. Jepson 1893-6-26 14390 Napa stream beds Napa River Basin, Howell Mt.; Howell Mt., Napa River Basin Comment
  UC1198493  Epilobium densiflorum Joseph P. Tracy 1938-8-7 16096 Napa in ditch Yountville 30 Comment
  JEPS110714  Epilobium minutum Jake Ruygt 1981-5-6 1017 Napa .2 mile east of Walter Springs on Pope Canyon Rd. 182 Comment
  JEPS39211  Epilobium minutum W. L. Jepson 1924-4-27 10374 Napa Toll House Mt. St. Helena Comment
  UCSC009034  Epilobium minutum Dylan M. Neubauer 2015-4-26 136 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  SBBG50823  Epilobium minutum G. L. Young 1974-4-13 11 Napa SW 1/4 T9N, R5W, S15 Comment
  UCD138935  Epipactis gigantea Ted C. MacRae 1994-4-30 940430 -0 Napa 1 mile north of Snell Valley Road, on Butts Canyon Road. Comment
  CAS-BOT-BC58023  Equisetum Elsa G. Ruckert 1960-3-26 44 Napa Dry Creek Road, near water tank from spring at the gate. 365 Comment
  JEPS103984  Equisetum hyemale subsp. affine Jake Ruygt 1979-4-11 498 Napa .1 mile south of Redwood Road on Solano Avenue,Napa 22 Comment
  CAS-BOT-BC57377  Equisetum laevigatum Peter H. Raven 1952-6-28 4215 Napa Pope Cr. below Samuel's Spr. 121 Comment
  JEPS103964  Equisetum telmateia Jake Ruygt 1979-4-8 493 Napa Mt. St. Helena, at base of fire trail 658 Comment
  CDA29728  Eragrostis cilianensis M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 212 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  RSA140853  Eremocarpus setiger John H. Thomas 1960-8-29 8836 Napa About 1 mile north of Calistoga along highway number 53. Comment
  JEPS7802  Ericameria arborescens Peter H. Raven 1951-8-20 3857 Napa near Lokoya 548 Comment
  UCD63174  Erigeron foliosus var. franciscensis Jake Ruygt 1996-6-23 3755 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 438 Comment
  UCD164757  Erigeron philadelphicus var. philadelphicus Jake Ruygt 2014-5-24 5957 Napa Pope Creek, Pope Canyon. 148 Comment
  SEINET265706  Eriodictyon californicum Royal D. Suttkus 1967-6-26 67- 30 -17 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UCD164480  Eriodictyon californicum J. A. Johnston 1995-5-19 26 Napa Found alongside fire road at Quail Ridge, off of Hwy 128 approximately 1.5 miles west of Markley Cove on Lake Berryessa. Comment
  UCD18161  Eriodictyon californicum 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
  UCD48050  Eriodictyon californicum K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 15 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd. 533 Comment
  UC1177103  Eriogonum dasyanthemum Peter H. Raven 1951-10-28 3954 Napa 4 mi s Knoxville 365 Comment
  UCD164779  Eriogonum dasyanthemum Jake Ruygt 2010-7-24 Napa East side of Hwy 121, at north end of Wooden Valley. 426 Comment
  UC1925867  Eriogonum gracile Ethel Crum Oct 1930 911 Napa Conn Creek Road, Yountville to Pope Valley. Comment
  CAS-BOT-BC266058  Eriogonum luteolum Peter H. Raven 1951-8-20 3854 Napa Near Lokoya 518 Comment
  CAS-BOT-BC266065  Eriogonum luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa Mountains Comment
  CAS-BOT-BC266066  Eriogonum luteolum Susan G. Stokes 1933-8-27 81 Napa Sage Canyon, Napa Mountains Comment
  POM209859  Eriogonum luteolum S. G. Stokes 1933-8-27 80 Napa Sage Canyon, Napa Mountains. Comment
  JEPS110790  Eriogonum luteolum var. luteolum Jake Ruygt 1984-6-23 1572 Napa Hwy 29 near Lake Co. line: Detert Reservoir quad 502 Comment
  JEPS121540  Eriogonum luteolum var. luteolum Adam C. Schneider with Dick O'Donnell 2013-5-26 196 Napa Along Chiles Valley Road. Comment
  JEPS96714  Eriogonum luteolum var. luteolum Dean W. Taylor 1998-5-20 16449 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  UCD160655  Eriogonum luteolum var. luteolum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8741 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  UCD48085  Eriogonum luteolum var. luteolum Robert Wolfson; J. Westbrook, S. Ratay, A. Houser, M. Disney, S. Wathen 2000-4-22 35 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles South of Berryessa-Knoxville Rd. Along east side of Devilhead Rd, 1 st ridge south of Devilhead Rd. 518 Comment
  JEPS56705  Eriogonum luteolum var. luteolum W. L. Jepson 1930-10-19 15682 Napa Conn Creek, at mouth of Sage Canyon, edge of Napa valley on e side Napa Valley, Sage Canyon, Conn Creek 45 Comment
  JEPS56901  Eriogonum luteolum var. luteolum W. L. Jepson 1938-9-22 19016 Napa near Sanitarium (lower w slopes, Howell Mountain); Howell Mountain Comment
  UC419722  Eriogonum luteolum var. luteolum Mrs. H. P. Bracelin 1930-10-19 109 Napa near entrance to (Conn Creek) Sage Canyon Comment
  CAS-BOT-BC268979  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
  LA206919  Eriogonum nudum var. auriculatum Susan G. Stokes; 1983-8-27 87 Napa Sage Valley, Napa Mountains, Roadside talus Comment
  RSA766355  Eriogonum nudum var. nudum Joseph A. Ewan 1933-9-17 8001 Napa Near Stevenson Monument, Mt St Helena Comment
  CAS-BOT-BC271624  Eriogonum nudum var. oblongifolium H. E. McMinn 1922-6-8 201 Napa Pope Canyon Comment
  UCD18120  Eriogonum nudum var. oblongifolium K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 57 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  JEPS56192  Eriogonum umbellatum var. bahiiforme Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena, Van Ness Ranch Comment
  UCD101529  Eriogonum vimineum Robert E. Preston 1987-6-20 568 Napa 3/4 mile N of Round Corral in Big Basin. 268 Comment
  JEPS120313  Eriogonum wrightii var. trachygonum Jake Ruygt 1987-10-12 2102 Napa Putah Creek north of Berryessa Estates. Aetna Springs 7.5' Quad. Comment
  CAS-BOT-BC301049  Eriophyllum lanatum var. achilleoides L. R. Abrams 1928-5-4 12284 Napa 4 mi. south of Middletown Comment
  UCD54313  Eriophyllum lanatum var. achilleoides K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 58 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  JEPS34583  Eriophyllum lanatum var. achilleoides Willis L. Jepson 1892-7-17 14553 Napa Knoxville ne Napa County, Knoxville Comment
  JEPS34725  Eriophyllum latilobum W. L. Jepson 1936-5-29 17554 Napa Adam-and-Eve Ridge Howell Mt., Adam-and-Eve Ridge Comment
  JEPS106706  Erodium cicutarium Jake Ruygt 1992-4-2 2872 b Napa Wild Horse Valley Ranch, Johnson's meadow 451 Comment
  UC650400  Erodium cicutarium Ira L. Wiggins 1928-3-25 2880 Napa 1.5 mi ne Calistoga Comment
  UCD48039  Erodium cicutarium Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 1 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
  SEINET5642298  Eryngium aristulatum David Keil 1986-11-8 19795 Napa Along Lake Berryessa Knoxville Road near Knoxville. 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  JEPS17449  Eryngium aristulatum var. aristulatum W. L. Jepson 1894-7-19 14277 Napa big rd. near Tubb's Place above Calistoga; upper Napa Valley Comment
  RSA181406  Eryngium aristulatum var. aristulatum James I. McMurphy 1910-6-7 s.n. Napa Between Napa and Petaluma Comment
  RSA542106  Eryngium aristulatum var. aristulatum Robert F. Hoover 1937-8-31 2700 Napa Yountville Comment
  UC21007  Eryngium articulatum Willis L. Jepson 1894-1 Napa near Napa R. St. Helena; Napa R. Basin, St. Helena Comment
  CAS-BOT-BC54302  Erysimum capitatum John Thomas Howell 1931-4-2 6086 Napa Summit of Wooden Valley Grade, 8 miles east of Napa. Comment
  CAS-BOT-BC54304  Erysimum capitatum David D. Keck 1931-4-2 1031 Napa Wooden Valley road, east side of Napa Range, 8 miles from Napa. Comment
  CAS-BOT-BC40900  Erysimum capitatum G. B. Rossbach; R. P. Rossbach 1938-6-1 852 Napa Above Wooden Valley on side toward Napa, about 7 miles northeast of Napa. 487 Comment
  UCD170371  Erysimum capitatum var. capitatum Daniel Potter; N Khuu, K Battenberg 2016-4-30 869 Napa Knoxville Wildlife Area, along Nevada Creek. 194 Comment
  POM339526  Erysimum capitatum var. capitatum F. R. Fosberg 1967-4-1 48420 Napa Hills just south of Lake Berryessa Comment
  SEINET8274778  Erythranthe microphylla Richard W. Cleveland 1951-4-8 16 Napa on road from Monticello to Napa, 8 miles east of Napa. Comment
  SD7071  Erythranthe moniliformis Brandegee Sept 1888 Napa Howell Mt. Comment
  SD60206  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, brushy woods. Comment
  SEINET8395970  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa volcanic crater region of Mt. St. Helena, northern Napa County; steep northerly slope just east or the Palisades on old stage road. Comment
  CAS-BOT-BC402792  Eschscholzia caespitosa Alice Eastwood 1930-4-13 17925 Napa Canyon between Monticello and Pope Valley Comment
  CHSC79183  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Martley Canyon on Hwy 128. Comment
  LA206219  Eschscholzia caespitosa John Thomas Howell; 1931-4-3 6127 Napa Napa Range, Pope Creek Canyon Comment
  UC10041  Eschscholzia caespitosa Willis L. Jepson 1893-5-2 Napa New Pope Valley grade Napa River Basin Comment
  SEINET10536530 Image available Eschscholzia caespitosa Charles F. Baker 1903-4-20 Baker 2614 Napa Mount St. Helena. Comment
  UCD15072  Eschscholzia caespitosa Janet Zwanziger 1977-4-24 25 Napa Along Berryessa-Knoxville Road, 1.6 miles N of Highway 128 junction. Comment
  CAS-BOT-BC403339  Eschscholzia californica Mrs. H. C. Cantelow 1939-4-8 2514 Napa 3 1/2 mi. N.W. of Knoxville Comment
  UC726443  Eschscholzia californica A. A. Heller 1941-5-16 16125 Napa Knoxville; border of a mine dump Comment
  SEINET3093500 Image available Eucalyptus globulus Royal D. Suttkus 1967-6-26 67- 30 -5 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  SEINET6692542 Image available Eucalyptus globulus Royal D. Suttkus 1967-1 67- 30 -5 Napa Clearly Reserves, 7.2 miles NW of Pope Valley Comment
  JEPS104492  Euphorbia crenulata Jake Ruygt 1994-3-15 3323 Napa Chiles Canyon Road about 1 mile from Chiles Valley 182 Comment
  UCD20022  Euphorbia crenulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1216 Napa On S side of Lake Hennessy. 1 mile west of junction of Route 128 and Pope Valley Road. Comment
  UCD73509  Euphorbia lathyris Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS129137  Euphorbia maculata Jake Ruygt 1978-6-19 365 Napa Trefethen Winery, Oak Knoll Avenue. Napa 7.5' Quad. Comment
  CDA43111  Euphorbia serpillifolia David J. Keil 1986-11-8 19799 Napa Along Lake Berryessa-Knoxville Rd. near Knoxville: 3.0 mi south of turnoff to Homestake McLaughlin Mine/Mill. Comment
  UC55949  Euphorbia spathulata J. P. Tracy 1902-5-15 1455 Napa 3-4 mi e Angwin's (Head of Moore's Creek); Howell Mountain, Moore's Creek 457 Comment
  CDA29771  Euthamia occidentalis M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 220 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  CHSC108741  Festuca californica B. Castro; L. P. Janeway 2002-5-12 1366 Napa Inner North Coast Ranges. Near top of ridge on northeast side of Pocock Creek along the dirt road from Devilhead Road. NNW-facing slope at edge of road opening and cutbank. 536 Comment
  JEPS71213  Festuca californica W. L. Jepson 1936-7-3 17647 Napa Howell Mt. Comment
  UC1155258  Festuca californica J. R. Sweeney 1953-5-8 1017 Napa 0.1 mi se Black Oak Villa (1.1 mi from Lake-Napa County line; on Pope Valley road); Butts Canyon Comment
  UC766903  Festuca californica R. F. Hoover 1941-4-26 4926 Napa canyon n Pope Valley (on road to Butts Canyon) Comment
  UC766904  Festuca californica R. F. Hoover 1941-4-26 4940 Napa e side Mt. St. Helena Comment
  UCD37300  Festuca californica Beecher Crampton 1959-5-7 5202 Napa State Highway 128, north end of Capell Valley, Capell Creek. Comment
  UCD41413  Festuca californica Mark Bibbo; Ellen Dean, Alex Lee, Burak Petin 2003-4-26 127 Napa Just east of the Bureau of Land Management land S of McLaughlin UC Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek, in forest by stream that crosses trail. 320 Comment
  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
  CHSC83359  Festuca californica var. californica L. P. Janeway; B. Castro 2002-5-12 7542 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. 564 Comment
  UCD36561  Festuca elmeri Beecher Crampton 1954-5-6 1828 Napa 9 miles west of city of Winters, along Highway 128 to Monticello, Putah Canyon. Comment
  JEPS122943  Festuca idahoensis Jake Ruygt 1982-5-12 1244 Napa American Canyon Road, 0.7 mile east of Flosden Road. Quad: Cordelia. Comment
  SEINET9335789  Festuca roemeri Unknown 1993-5-15 10966 Napa Quail Ridge Reserve Comment
  CAS-BOT-BC454532  Fragaria vesca subsp. californica Alice Eastwood 1922-5-4 11249 Napa Calistoga Comment
  UCD112535  Frangula californica Heidi E. M. Dobson 1978-5-25 331 Napa east slope of Mt. Veeder. Comment
  CAS-BOT-BC63008  Frangula californica subsp. crassifolia Mark Kerr 1940-5-29 s.n. Napa 3 mi. n. summit of Mt. St. Helena grade. Comment
  UCD167094  Frangula californica subsp. tomentella Jake Ruygt 2015-7-4 6148 Napa Missimer - Snell Valley Preserve. 177 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
  UCD122055  Fraxinus latifolia Alton Enloe 1955-5-20 37 Napa Near Putah Creek bed; State Highway 128, ca. 10 miles southwest of Monticello Dam. Comment
  CAS-BOT-BC205885  Fremontodendron californicum Margaret J. Williams; Wayne Roderick 1984-5-22 84- 13 -2 Napa Hwy 29, 0.3 mi into Lake County from Napa County 396 Comment
  CAS-BOT-BC205886  Fremontodendron californicum E. Ruckert 1960-4-3 66 Napa 6495 Dry Creek Road; on terrace 365 Comment
  CAS-BOT-BC205894  Fremontodendron californicum John Thomas Howell 1939-5-7 14653 Napa Near head of Hunting Creek northwest of Knoxville Comment
  UC545809  Fremontodendron californicum Herbert L. Mason 1935-5-30 10009 Napa 4 miles north of Knoxville Mines Comment
  JEPS108034  Fremontodendron californicum subsp. californicum R. Raiche 1987-7-7 Napa Just S of Lake Co. line, S of Middleton, Hwy 29 at bridge 14.52 along St. Helena Creek. Comment
  POM258881  Fremontodendron californicum subsp. californicum J. T. Howell 1939-5-7 14653 Napa Near head of Hunting Creek, northwest of Knoxville 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
  CAS-BOT-BC130077  Fritillaria affinis Mrs. Elizabeth Wright 1922-3-30 s.n. Napa Calistoga Comment
  CAS-BOT-BC130081  Fritillaria affinis Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UCD139718  Fritillaria affinis R. F. Denno 1967-4-15 48 Napa 1 mile north of Lower Chiles Valley Road, off of Highway 128. Inner Coast Range Transitional. 228 Comment
  UCD167091  Fritillaria affinis Jake Ruygt 2015-3-7 6031 Napa South of Snell Peak. 335 Comment
  UCSB679  Fritillaria affinis Keator, Glenn 1959-4-1 Napa 0.4 miles northwest of Napa County line on Highway 128 Comment
  SEINET3154171  Fritillaria coccinea H. P. Chandler 1907-3-6 7503 Napa Reservoir, St. Helena Comment
  UCD139705  Fritillaria pluriflora Robert E. Preston 1988-4-10 585 Napa ca. 0.3 mile SE of the confluence of Putah and Hunting Creeks. 304 Comment
  UC545850  Fritillaria recurva E. Crum 1936-3-15 1739 Napa Butt's Canyon, Pope Valley-Middletown Road Butt's Canyon; , Pope Valley-Middletown Road Comment
  CAS-BOT-BC508187  Fritillaria recurva Alice Eastwood 1923-4-12 s.n. Napa Soda Springs 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
  JEPS61953  Fritillaria recurva Mrs. Mary Van E. Ferguson 1919-4-13 Napa Atlas Mountain Comment
  HSC38152  Galium andrewsii Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2343 Napa Along Morgan Valley Rd., 0.5 mi. from Lake Co. line Comment
  UCD48159  Galium andrewsii K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 11 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., top of hill. 548 Comment
  UCD15985  Galium andrewsii subsp. andrewsii C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 2 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 9.2'' N; 122 deg. 21' 11.5'' W; 480 m. Comment
  UC1146701  Galium andrewsii subsp. intermedium Freed W. Hoffman 1946-8-21 845 Napa headwaters of creek North Coast Ranges, Hunting Creek (Napa-Lake county line) Comment
  UCD49247  Galium aparine L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 8 Napa SW end of Lake Barryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. 10-20 ft. from stream. 152 Comment
  JEPS110563  Galium bolanderi Jake Ruygt 1984-5-19 1562 Napa Cedar Roughs 329 Comment
  UC1196085  Galium bolanderi Joseph P. Tracy 1899-7-3 427 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 518 Comment
  UCD160726  Galium bolanderi Ellen Dean 2015-5-23 8778 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UCD49249  Galium boreale subsp. septentrionale L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 14 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along North Decker Canyon Rd., 20-30 ft. S of the stream. 161 Comment
  UCD149696  Galium californicum Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UC1196116  Galium californicum subsp. californicum Joseph P. Tracy 1933-6-2 12456 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UC1536781  Galium californicum subsp. californicum G. H. True 1937-6-21 738 Napa near Lokoya Lodge 365 Comment
  UCD73512  Galium divaricatum Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCR64599  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa Hills west of Napa Valley between St. Helena and Mt. St. John 229 Comment
  SBBG29183  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa hills W of Napa Valley between St Helena and Mt St John 228 Comment
  UCD121930  Galium tricornutum M. Wiesendanger 1927-5-4 665 Napa Near Monticello. Comment
  UC32029  Gamochaeta ustulata Willis L. Jepson 1893-5-5 Napa sw Napa City; Napa River Basin Comment
  CDA11161  Garrya congdonii G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11573 Napa North Coast Biodiversity Arena; 2 m. NW of Aetna Springs along Schwartz Ck. Rd. Comment
  JEPS126030  Garrya congdonii Jake Ruygt 1979-2-25 435 Napa Oat Hill Mine Road near Aetna Springs. Detert Reservoir 7.5' Quad. Comment
  UC875998  Garrya congdonii John Thomas Howell 1939-5-7 14652 Napa Lower Lake - Knoxville road; at Lake County line Comment
  UCD160728  Garrya congdonii Ellen Dean 2015-5-23 8780 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  HSC8385  Garrya elliptica J. T. Howell 1939-5-7 14652 Napa Lower Lake-Knoxville rd. at Lake Co. line Comment
  CAS-BOT-BC144380  Garrya fremontii H. E. McMinn 1925-1-23 1363 b Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC144383  Garrya fremontii H. E. McMinn 1923-5-25 961 a Napa Summit Wooden Valley Grade. Road to Napa. Comment
  CAS-BOT-BC278655  Gastridium phleoides Thomas H. Kearney 1948-6-26 s.n. Napa Near Napa Comment
  CAS-BOT-BC278656  Gastridium phleoides Peter H. Raven 1951-6-26 3083 Napa Cappell Valley 365 Comment
  UC71009  Gastridium ventricosum W. L. Jepson 1896-6-2 Napa St. Helena Comment
  CDA5309  Gaura lindheimeri E. P. Delfino 1953-6-1 Napa Yountville. 0 Comment
  RSA0028367  Geranium carolinianum Gilbert Muth 1967-4-30 662 Napa Near entrance to Snell Valley. 183 Comment
  UCR12066  Geranium dissectum Coleta A. Lawler 1964-3-24 01 Napa Henry Road, c. 0.5 mi. from junction with Buhman Avenue, c. 3 mi. west of Napa 8 Comment
  JEPS61424  Geranium dissectum H. P. Chandler 1907-4-28 7553 Napa Santa Rosa to Calistoga Comment
  UCSB9893  Geranium dissectum 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
  UCD83410  Geranium purpureum Jake Ruygt 1986-5-7 1755 Napa Napa, Skyline Park. 152 Comment
  JEPS120362  Gilia achilleifolia subsp. multicaulis Jake Ruygt 1995-4-29 3453 Napa Skyline Park, Sugarloaf Peak Trail. Mount George 7.5' Quad. Comment
  RSA83139  Gilia capitata Verne Grant, Alva Grant 1947-5-11 7985 Napa ca. 8 miles NE of Vichy Springs on Monticello road, Mayacama Mountains. 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
  JEPS110953  Gilia capitata subsp. capitata Jake Ruygt 1997-5-18 3854 Napa Hogback Mountain, Taylor Preserve. 542 Comment
  UC914293  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-4 7968 Napa wooded canyon ca 8 mi ne Vichy Springs (on Monticello Road, Mayacama Mountains); Mayacama Mountains, ne of Vichy Springs Comment
  UCR202432  Gilia capitata subsp. capitata Peter L. Morrell 1993-6-6 269 Napa Coast Range, Along Hwy 29, north side of road, 1 mile south of Robert Louis Stevenson State Park, c. 3 miles north of Calistoga 146 Comment
  UCD167225  Gilia tricolor subsp. diffusa Jake Ruygt 2010-4-24 5519 Napa East of Berryessa Knoxville Road near south end of Knoxville Wildlife Area. 280 Comment
  UC23865  Gilia tricolor subsp. tricolor W. L. Jepson 1893-4-25 Napa St. Helena Comment
  UC650504  Gilia tricolor subsp. tricolor Ira L. Wiggins 1928-3-25 2869 Napa roadside 1 1/2 mi ne Calistoga; ne of Calistoga Comment
  UCD48068  Gilia tricolor subsp. tricolor M. K. Voigt; E. Sweeney, and M. Miller 2002-4-13 3 Napa McLaughlin UC Reserve. SW of old town of Knoxville on N side of Knoxville-Berryessa Rd. 426 Comment
  SEINET7072768  Githopsis pulchella A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  JEPS33907  Githopsis specularioides D. E. Breedlove 1963-5-29 5063 Napa 4.5 mi n Pope Valley Comment
  SEINET10464564  Githopsis specularioides Ira L. Wiggins 1949-4-30 Wiggins 12075 Napa Along old toll road between Calistoga and Middletown, about 1.5 miles northeast of Calistoga Comment
  CDA34678  Glinus lotoides L. 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. 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
  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
  UCD19936  Glinus lotoides E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 794 Napa Quail Ridge Reserve. Slough on N side of Decker Bay Trail, in a dried inlet of Lake Berryessa. 128 Comment
  UCD18098  Gnaphalium palustre Ellen Dean; with PLB 102 class 2000-4-29 754 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CAS-BOT-BC304898  Grindelia hirsutula Peter H. Raven 1952-8-26 5132 Napa W. Bentley Wharf 15 Comment
  JEPS121525  Grindelia hirsutula Adam C. Schneider with Dick O'Donnell 2013-5-26 234 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS41928  Grindelia hirsutula Willis L. Jepson 1894-7-19 Napa upper Napa Valle; Napa Valley Comment
  JEPS7832  Grindelia hirsutula Peter H. Raven 1950-6-20 2355 Napa between Conn Valley and Howell Mt.; Napa Range Comment
  UC1536846  Grindelia hirsutula G. H. True 1937-6-21 732 Napa near Lokoya Lodge 365 Comment
  JEPS120380  Grindelia hirsutula Jake Ruygt 1981-5-13 1024 Napa American Canyon, south side of canyon Comment
  SEINET10925082 Image available Grindelia humilis f. pubescens John Thomas Howell 1932-10-8 Howell 10805 Napa Upper edge of tidal flat. Cuttings Wharf on Napa River, Napa Co. Comment
  JEPS106785  Guillenia lasiophylla Jake Ruygt 1981-4-20 989 Napa American Canyon, .3 miles east of Flosden Road 91 Comment
  UC160977  Guillenia lasiophylla Joseph P. Tracy 1902-5-16 1501 Napa 3 to 4 mi e Angwin's (on hills at Head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  CAS-BOT-BC302215  Harmonia nutans Joseph P. Tracy 1902-5-20 1565 Napa At Angwin Creek, on Howell Mt. road 457 Comment
  CAS-BOT-BC302216  Harmonia nutans Barbara Ertter; Jeffrey Strachan 1980-5-9 3330 Napa Los [Las] Posadas State Experimental Forest on Howell Mountain 1-2 mi east of Angwin 548 Comment
  CAS-BOT-BC302229  Harmonia nutans R. F. Hoover 1941-4-27 4944 Napa Near Yountville Comment
  CAS-BOT-BC302232  Harmonia nutans Alice Eastwood 1922-5-4 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC302244  Harmonia nutans David D. Keck 1931-4-4 1088 Napa The Crater Country, 3 miles SE. from summit of Mt. St. Helena, northern Napa County 950 Comment
  CDA31865  Harmonia nutans D. G. Kelch 2001-3-18 1 .017 Napa Soda Canyon Road. Comment
  UCD170289  Helenium bigelovii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 829 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 441 Comment
  CAS-BOT-BC314721  Helianthella californica var. californica J. Clausen 1935-5-23 1072 Napa Howell Mountain near summit 6.5 mi. N. of St. Helena Comment
  UCD48642  Helianthella californica var. californica A. Collier; D. Caterson and S. Kenady 2002-5-4 13 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Along upper road leading to power lines, 20 m. S of road. 335 Comment
  LA204756  Helianthemum scoparium J. A. Ewan; 1934-9-30 8825 Napa Sarco Creek, 4 mi. above Napa Comment
  CDA13716  Helianthus bolanderi G. F. Hrusa, T. D. Wilfred 1997-7-24 14020 Napa North Coast Biodiversity Arena; Middle reaches of Butts Canyon +- 8-10 mi. SE of Middletown. Comment
  POM180773  Helianthus bolanderi J. T. Howell 1930-10-19 5616 Napa Dry slope, 3 miles from Aetna Springs on Butte Valley road to Middletown Comment
  UC1177089  Helianthus bolanderi Peter H. Raven 1951-10-28 3949 Napa 1-3 mi e Chiles Valley 304 Comment
  UCD18115  Helianthus bolanderi K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 51 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
  UC897487  Helianthus californicus Lewis S. Rose 1939-8-20 39358 Napa 14 miles E of Rutherford; Chiles Creek Canyon 304 Comment
  JEPS106666  Helianthus gracilentus Jake Ruygt 1981-6-10 1050 Napa west of Mt. Vaca, down ridge 472 Comment
  HSC100735  Heliotropium europaeum Lowell Ahart 2009-10-12 16433 Napa Below the high water line of Lake Berryessa, along Capell Creek E of rest area, 3/4 mi. NE of Hwy. 128 on Berryessa Knoxville Rd., 3/4 mi. SW of Capell Cove Launch Ramp, 19 (air) mi. W of Winters. 133 Comment
  UCD169856  Heliotropium europaeum Lowell Ahart 2009-10-12 16433 Napa 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
  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
  CAS-BOT-BC306151  Hemizonia congesta subsp. clevelandii Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  UC222700  Hemizonia congesta subsp. clevelandii H. M. Hall 1923-10-15 11950 Napa 2 mi nw Calistoga; Martindale's Spring Comment
  CAS-BOT-BC306175  Hemizonia congesta subsp. congesta W. M. Heusi 1930-10-18 105 Napa About 5 miles w. of Cordelia, in waste field along highway to Napa Comment
  CAS-BOT-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
  UC222698  Hemizonia congesta subsp. luzulifolia H. M. Hall 1923-10-14 11942 Napa 8 mi w Pope Valley Comment
  UCD161343  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1985-10-20 1620 Napa Napa County : 0.5 mile west of Highway 29 on Airport Road. (Coordinates estimated by label maker at UC Davis). 10 Comment
  CAS-BOT-BC309832  Hemizonia congesta subsp. luzulifolia Milo S. Baker 1932-9-24 6058 Napa Two or 3 mi. S. of Napa East of Hiwy. Comment
  CAS-BOT-BC309844  Hemizonia congesta subsp. luzulifolia Joseph Andorfer Ewan 1933-9-17 7999 Napa Napa, Napa Valley Comment
  RSA128679  Hemizonia lutescens Peter H. Raven 1953-10-4 6363 Napa Near Duttons Landing. 15 Comment
  UCD63182  Hesperevax acaulis var. robustior Jake Ruygt 2005-4-10 4751 Napa Skyline park, near Manzanita trail. 164 Comment
  HSC1201  Hesperocyparis sargentii C. B. Wolf 1928-2-25 1507 Napa 3 mi. N of the summit of Mt. St. Helena grade, near Lake Co. line Comment
  UCD170292  Hesperocyparis sargentii Daniel Potter; Ninh Khuu, Kai Battenberg 2016-2-21 832 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 405 Comment
  JEPS32275  Hesperolinon bicarpellatum W. L. Jepson 1938-6-8 18888 Napa slopes along the Snell Valley Road ne Pope Valley (drainage of Butts Creek) (northern Napa County) 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
  UC1212359  Hesperolinon bicarpellatum Helen K. Sharsmith 1957-6-18 4606 Napa 0.25 mi beyond north end of Pope Valley (near divide between Pope Valley and Butt's Canyon); Inner North Coast Ranges 259 Comment
  UC1212370  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-17 4070 Napa 3.8 mi n Cappell Valley road junction; Inner North Coast Ranges, Steel Canyon 304 Comment
  UC1212371  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-17 4076 Napa w side of valley 0.5 mi n junction of Pope Valley-Monticello road w/road to Rutherford; Inner North Coast Ranges, Chiles Valley 243 Comment
  UC163930  Hesperolinon bicarpellatum Mrs. K. Brandegee 1911-6-29 113 Napa near Aetna Springs; Butts Canyon Comment
  UC1862410  Hesperolinon bicarpellatum Richard O'Donnell 2005-6-9 Napa 180 m NW of the junction of Cedar Creek and Hunting Creek Paradise Valley 270 Comment
  UC668041  Hesperolinon bicarpellatum Joseph P. Tracy 1933-6-2 12480 Napa on hills at head Moore's Creek (5 mi e of Angwin's); Howell Mountain 396 Comment
  UCD119659  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Pritchard Hill, south of Lake Hennessey and Highway 128, on lands of Continuum Estate Winery, at end of private road near winery. 427 Comment
  CDA11251  Hesperolinon breweri G. F. Hrusa, G. L. Stebbins, D. Keil, V. L. Holland 1994-6-6 11874 Napa Inner North Coast Ranges; End of Aetna Springs Rd. ~2.5 m. W of junction with Hwy. 128. 0 Comment
  CAS-BOT-BC176012  Hesperolinon californicum Freed W. Hoffman 1947-6-18 1650 Napa Pope Valley road Comment
  JEPS122836  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-18 229 Napa At end of Barnett Road off of Pope Valley Road. Comment
  JEPS122903  Hesperolinon californicum Adam C. Schneider 2015-5-19 933 Napa Along Pope Valley Rd. Comment
  JEPS127853  Hesperolinon californicum Adam C. Schneider with Dick O'Donnell 2013-5-28 250 Napa Conn Valley Road, 2.1 miles west of Northwest corner of Lake Hennessey. Comment
  SD51663  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
  UC1212438  Hesperolinon californicum Helen K. Sharsmith 1952-5-17 4075 Napa edge of valley above Sage Creek (near junction of Pope Valley-Monticello road with road to Rutherford); Inner North Coast Ranges, Chiles Valley 240 Comment
  UC1212446  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4111 Napa slopes of creek at its exit from Chiles Valley; Inner North Coast Ranges, Sage Creek 289 Comment
  UC1212448  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4114 Napa southern margin of valley near Chiles Valley School; Inner North Coast Ranges, Chiles Valley 304 Comment
  UC1601207  Hesperolinon californicum Helen K. Sharsmith 1951-10-21 4037 Napa w side Chiles Valley (on Rutherford-Monticello road); Inner North Coast Ranges 243 Comment
  UCD110500  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4110 Napa Above Sage Creek on west side Chiles Valley. 304 Comment
  UCD169869  Hesperolinon californicum Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 804 Napa Knoxville Wildlife Area. Upper Zim Zim Ceek drainage. 432 Comment
  JEPS122781  Hesperolinon clevelandii Jake Ruygt 1980-6-22 943 Napa Scott's Flat, Aetna Mined Road. QUAD: Capell Valley Comment
  JEPS122782  Hesperolinon clevelandii Jake Ruygt 1997-5-18 3856 Napa Hogback Mountain. QUAD: Sonoma. Comment
  UCD110501  Hesperolinon clevelandii Kathleen Barnes 1973-6-4 61 Napa McDonald Ranch, 1/2 mile up from house, Pope Valley Road. Comment
  UCD110504  Hesperolinon clevelandii P. Rodriguez-Rojo 1997-5-31 s.n. Napa Butts Canyon Rd. 285 Comment
  JEPS104849  Hesperolinon disjunctum Dean W. Taylor 1998-6-23 16699 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  JEPS112586  Hesperolinon disjunctum Jake Ruygt 1988-5-29 2197 Napa Cedar Valley 603 Comment
  JEPS122780  Hesperolinon disjunctum Jake Ruygt 1993-6-5 3277 Napa Devihead Road .35 mile south of farm house. QUAD: Knoxville Comment
  JEPS129121  Hesperolinon disjunctum Jake Ruygt 2015-5-2 6089 Napa West of Buck Mountain near Nevada Creek. Knoxville 7.5' Quad. Comment
  UC1563734  Hesperolinon disjunctum Barbara Ertter with Annetta Carter 1989-5-28 8511 Napa on Berryessa Rd 2 mi se Lake Co line (serpentine hills s of road, near Knoxville) 609 Comment
  UCD110519  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa About one mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Monticello road. 121 Comment
  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
  JEPS112655  Hesperolinon drymarioides Jake Ruygt 2000-7-8 4283 Napa Devilshead Rd. 475 Comment
  JEPS122855  Hesperolinon micranthum Adam C. Schneider with Dick O'Donnell 2013-5-28 239 Napa Capell Valley Road, just southeast of intersection with Knoxville Road Comment
  UC1601213  Hesperolinon micranthum Helen K. Sharsmith 1951-10-21 4036 Napa 3.2 mi w Rutherford-Monticello road junction (on road to Rutherford); Inner North Coast Ranges 152 Comment
  UCD110561  Hesperolinon micranthum Joseph P. Tracy 1933-6-2 12479 Napa Howell Mountain. On hills at head of Moore's Creek, 5 miles east of Angwin's. 396 Comment
  UCD160739  Hesperolinon micranthum Ellen Dean 2015-5-23 8791 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
  UCR146397  Hesperolinon micranthum Beecher Crampton 1957-6-4 4103 Napa Inner North Coast Ranges, North end of Capell Valley, above Capell Creek 213 Comment
  UCR71475  Hesperolinon micranthum H. K. Sharsmith 1965-5-18 5517 Napa Inner North Coast Ranges, 2.2 mi. north of Wooden Valley Road junction with Napa-Lake Berryessa Hwy 37 213 Comment
  JEPS122789  Hesperolinon sharsmithiae Jake Ruygt 2009-6-13 5437 Napa Skyline Park along Chaparral Trail. QUAD: Mount George. Comment
Read comments May 15 2020
  JEPS122858  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-28 247 Napa Pope Canyon Road, just east of brdige over Pope Creek Comment
  POM86846  Hesperolinon spergulinum Marcus E. Jones 1881-7-6 343 Napa St. Helena. Comment
  UC1212397  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-19 4142 Napa ca 1 mi w Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  UC1601204  Hesperolinon spergulinum Helen K. Sharsmith 1951-10-21 4042 Napa 0.5 mi above Aetna Springs (near Aetna Mine); Inner North Coast Ranges 274 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
  UC1212394  Hesperolinon spergulinum Helen K. Sharsmith 1959-5-18 4710 Napa n of Aetna Springs (about 1 mi above the hotel); Inner North Coast Ranges 274 Comment
  UCD54386  Heterocodon rariflorum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. 390 Comment
  SEINET10939139  Heterocodon rariflorum Willis L. Jepson Jepson 17593 Napa HOWELL MTN. Comment
  SEINET3077394 Image available Heteromeles arbutifolia Royal D. Suttkus 1967-6-26 67- 30 -10 Napa Clearly Reserves, 7.2 miles NW of Pope Valley Comment
  UCD118394  Heteromeles arbutifolia Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UC1925919  Heterotheca oregona Ethel Crum Oct 1930 913 Napa Pope Valley Road, Yountville to Pope Valley. Comment
  UC1999862  Heterotheca oregona var. oregona J. C. Semple, S. Heard 1986-8-20 8566 Napa Just N of Calistoga on CA-29m, 15.3 km SW of Lake county line. Comment
  RSA785239  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-20 8567 Napa Just N of Calistoga on CA-29; 15.3 km SW of Lake County line. Garnett Creek. Comment
  UCD63161  Heterotheca sessiliflora Jake Ruygt 1982-7-6 1362 Napa American Canyon east of Flosden Rd. 249 Comment
  CAS-BOT-BC312335  Hieracium albiflorum Carl B. Wolf 1928-5-3 1808 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  UC1543069  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa hwy from Napa to Wooden Valley (n slopes of mt.); George Mt. 152 Comment
  UCD132322  Holocarpha virgata Beecher Crampton 1956-9-28 3882 Napa Southern Capell Valley. Comment
  UCD19320  Holodiscus discolor M. A. Bibbo; E. Dean 2001-7-6 12 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 1.1 air miles from jct. with S Decker canyon rd. E (upslope) side of the rd on a NW facing slope. 274 Comment
  CAS-BOT-BC315792  Holozonia filipes Edward Lee Greene 1883-1-1 s.n. Napa Napa Valley Comment
  JEPS106645  Holozonia filipes Jake Ruygt 1985-6-9 1803 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road 448 Comment
  UC143000  Holozonia filipes Mrs. K. Brandegee 1910-7-26 186 Napa near Angwin's Comment
  UCD85484  Hordeum brachyantherum M. Wiesendanger 1927-5-4 705 Napa Napa County. Napa. Comment
  UC1023500  Hordeum brachyantherum subsp. californicum Peter H. Raven 1951-6-10 2927 Napa E of Palisades (Crater Region) 762 Comment
  CAS-BOT-BC284999  Hordeum depressum Peter H. Raven 1957-5-5 10752 Napa Calistoga 91 Comment
  CAS-BOT-BC285094  Hordeum marinum subsp. gussoneanum L. R. Abrams 1928-5-3 12211 Napa St. Helena Grade Comment
  UCD41315  Hordeum marinum subsp. gussoneanum Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 6 Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
Read comments Jan 14 2009
  UCD85376  Hordeum marinum subsp. gussoneanum K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  UCD85792  Hordeum marinum subsp. gussoneanum A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3543 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  UC73773  Hordeum murinum subsp. leporinum J. Burtt Davy Apr. 1902 Napa St. Helena Comment
  CAS-BOT-BC410212  Hypericum concinnum Peter H. Raven 1950-6-20 2380 Napa Howell Mtn. on NNE side Rd to Pope Valley Comment
  CAS-BOT-BC410810  Hypericum concinnum L. R. Abrams 1916-7-2 5754 Napa Near St. Helena Sanitarium Comment
  UC127127  Hypericum concinnum Harley P. Chandler Sep 7 1906-Sep 14 1906 7106 Napa Howell Mt., Alta Loma Ranch 487 Comment
  JEPS66790  Hypericum concinnum W. L. Jepson 1938-5-25 18860 Napa Howell Mountain, Bell Canyon Bell Canyon; Howell Mountain, Bell Canyon 579 Comment
  JEPS66794  Hypericum concinnum W. L. Jepson 1904-6-3 2433 Napa Weldon Canyon Howell Mt. foothills 487 Comment
  UC187748  Hypericum formosum var. scouleri Katharine Brandegee 1910-7-1 Napa Howell Mt. Comment
  CHSC114327  Hypericum perforatum D. G. Kelch 2010-4-28 10162 Napa N. Rockville along Suisun Valley Rd. near Napa County Line. 159 Comment
  UCD133324  Hypochaeris glabra Heidi E. M. Dobson 1978-6-20 344 Napa East slope of Mt. Veeder. Comment
  UCD159907  Hypochaeris glabra Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. West section. 243 Comment
  CHSC58402  Iris fernaldii Karen Blom 1975-5-16 22 Napa 1 mile north of State Highway 121 on Knoxville Road. Comment
  UCD138725  Iris fernaldii Heidi E. M. Dobson 1978-4-8 297 Napa East side of Mt. Veeder. Comment
  UCD14889  Iris fernaldii Olivia Shinomoto 1991-3-18 19 Napa along Highway 121, 7.7 miles south of the intersection with Highway 128; 365 Comment
  JEPS85051  Iris macrosiphon Larry Heckard and Mary Ashton 1969-5-3 2207 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  UC1134711  Iris macrosiphon A. Lewis 1932-5-18 98 Napa Dry Creek; Napa Quad. 152 Comment
  UCD116959  Iris macrosiphon Jillian Howard; Plant Biology 102 Collectors 2012-4-29 1 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  HSC83396  Iris macrosiphon Jake Ruygt 1975-4-19 13 Napa S of Milliken Creek above S wall of canyon, 4.5 mi. E of Trancas St. and Hwy. 29 in Napa 91 Comment
  UC4271  Iris macrosiphon Willis L. Jepson 1893-4-24 Napa Napa River Basin; trail to Caux's Cabin Comment
  UCSB878  Iris macrosiphon Kamb, Peter; Chisaki, Francia 1950-4-22 Napa above valley floor; West side of Wooden Valley on California Highway 37 304 Comment
  UC14915  Isoetes nuttallii J. P. Tracy 1902-5-19 1553 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 518 Comment
  JEPS129148  Iva axillaris Jake Ruygt 1981-7-20 1071 Napa Napa Airport. Cuttings Wharf 7.5' Quad. Comment
  JEPS106648  Jaumea carnosa Jake Ruygt 1991-7-27 2805 Napa Napa River, 100 yds north of Southern Crossing 0 Comment
  UC32952  Jaumea carnosa Willis L. Jepson 1896-11-4 Napa below Napa City Comment
  LA16775  Juglans hindsii C. B. Wolf; E. R. Johnson 1934-10-17 6197 Napa Napa Range, Munson Ranch, above Wooden Valley, Old Indian Camp Site 304 Comment
  CDA39579  Juglans hindsii T. C. Fuller, Q. L. Holdeman 1971-11-2 19939 Napa Above end of Circle Oaks Dr., just north of marker 121 NAP 18.40, Monticello Road, ca. 9 miles northeast of Napa. 0 Comment
  JEPS122671  Juncus bufonius Jake Ruygt 1991-6-21 2730 Napa Hunting Creek Road about 1/2 way from Devilshead Road. Quad: Knoxville. Comment
  JEPS122670  Juncus bufonius var. bufonius Jake Ruygt 1992-5-15 2961 Napa Meadow north of the Polo Field, Wild Horse Valley Ranch. Quad: Mt. George. Comment
  JEPS122672  Juncus bufonius var. bufonius Jake Ruygt 1979-5-15 595 Napa Marina Drive, Napa. Quad: Napa. Comment
  JEPS126053  Juncus dubius Jake Ruygt 2010-6-26 5659 Napa Las Posadas State Forest, near public road. Saint Helena 7.5' Quad. Comment
  JEPS67117  Juncus hemiendytus Jos. P. Tracy 1902-5-18 1534 Napa Head of Moores Creek Howell Mt. 518 Comment
  JEPS126039  Juncus hemiendytus var. hemiendytus Jake Ruygt 1990-4-21 2493 Napa Mead Ranch, Atlas Peak Road. Yountville 7.5' Quad. Comment
  UC1103673  Juncus hemiendytus var. hemiendytus Joseph P. Tracy 1902-5-21 1611 1/2 Napa 3-4 mi e Angwin's (on hills at head of Moores Creek, La Jota Plateau); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UCD147527  Juncus hemiendytus var. hemiendytus Ellen Dean; Diana Hickson 2014-4-29 8082 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS122683  Juncus kelloggii Jake Ruygt 2007-5-17 5180 Napa Duff Ranch, NE of Grassy Hill. Quad: Calistoga. Comment
  UC14894  Juncus kelloggii J. P. Tracy 1902-5-18 1534 a Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 518 Comment
  UCD168533  Juncus occidentalis Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UC842740  Juncus occidentalis M. S. Jussel 1937-5-23 Napa Mt. St. Helena Comment
  UC750690  Juncus patens Lewis S. Rose 1946-8-18 46264 Napa 3 mi ne Napa 60 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
  UCD167059  Juniperus occidentalis Jake Ruygt 1998-6-24 4057 Napa Taylor Bluff, Blue Ridge. 743 Comment
  POM161357  Keckiella lemmonii R. C. Bacigalupi 1928-6-20 1873 Napa Howell Mt. 10 miles west of St Helena. Comment
  UCD123886  Kickxia elatine Herbert L. Mason 1942-9-29 12557 Napa 2 miles north of Calistoga, Napa River. Comment
  JEPS76081  Koeleria macrantha W. L. Jepson 1938-5-20 18808 Napa above St. Helena Sanitarium Howell Mountain (above vineyard of John Ballentine); , above St. Helena Sanitarium Comment
  UCD160802  Koeleria macrantha Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8682 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-BC502601  Kopsiopsis strobilacea Greg de Nevers 1992-5-17 10152 Napa Mount Veeder, 3475 Mt. Veeder Rd. 304 Comment
  CAS-BOT-BC123304  Lagophylla minor David Daniels Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just S of Walters Spring. Comment
  RSA128654  Lagophylla minor Peter H. Raven 1951-5-26 2887 Napa Butts Canyon. 305 Comment
  SBBG36845  Lagophylla minor D. D. Keck 1933-5-29 2338 Napa bridge over Pope Crk, just S of Walters Spring; ISOTYPE: L. dichotoma subsp. minor Comment
  SEINET3860269  Lagophylla minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just S of Walters Spring.; 0 Comment
  SEINET5173499  Lagophylla minor Unknown 1933-5-29 2338 Napa Bridge over Pope Creek, just S of Walters Spring Comment
  CAS-BOT-BC341553  Lagophylla ramosissima Peter H. Raven 1951-6-26 3061 Napa Wooden Valley Grade 304 Comment
  UC89207  Lagophylla ramosissima Mrs. K. Curran 1888-8-1 Napa Howell Mountain Comment
  UCD20733  Lagophylla ramosissima Ellen Dean; w/ Mark Bibbo 2002-6-17 1098 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Dead Man's Hill, along trail to top. 365 Comment
  CAS-BOT-BC338262  Lasthenia californica Carl B. Wolf 1928-5-3 1786 Napa 2 miles south of Hawkins Mount Inn Camp 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
  RSA202278  Lasthenia conjugens Robert Ornduff 1960-4-26 R. O. 6116 Napa East side of Silverado Trail, 0.9 mile north of Soda Canyon Road. Comment
  RSA181912  Lasthenia glaberrima W. L. Jepson 1921-5-6 9174 Napa Calistoga. Comment
  UC311561  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 1869 Napa near Calistoga; Napa Valley 90 Comment
  JEPS106622  Lasthenia glabrata subsp. glabrata Jake Ruygt 1982-5-13 1246 Napa .5 miles south of Imola Ave. on South Jefferson,Napa 1 Comment
  UCD106197  Lathyrus aphaca Michael A. Vincent; Ethan H. Freid 1998-4-7 8169 Napa Northwest of St. Helena along Rt. 128. 2.5 miles southeast of Calistoga city limits. Comment
  UCD170366  Lathyrus cicera Daniel Potter; N Khuu, K Battenberg 2016-4-30 864 Napa Knoxville Wildlife Area, on ridge west of Zim Zim Falls Creek trailhead. Comment
  CAS-BOT-BC213497  Lathyrus jepsonii subsp. californicus Peter H. Raven 1952-5-29 4092 Napa Napa River 1 mi. N Napa 60 Comment
  JEPS107268  Lathyrus jepsonii subsp. jepsonii Jake Ruygt 1998-5-23 3997 Napa Milton Road, Manley's Resort. 2 Comment
  UC162874  Lathyrus nevadensis var. nevadensis Joseph P. Tracy 1902-5-17 1527 Napa 3-4 mi e Angwin's (on hills at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 457 Comment
  UCD81832  Lathyrus sphaericus Ellen Dean 2009-4-24 5462 Napa Property at 600 Petrified Forest Road. 170 Comment
  RSA113969  Lathyrus tingitanus Peter H. Raven 1957-5-5 10756 Napa Calistoga Comment
  SEINET956248  Lathyrus torreyi S. Walker 1983-1 83 H-108 Napa Ida Clayton Road; northwest side of Mount St. Helena. Comment
  JEPS107265  Lathyrus vestitus var. vestitus Jake Ruygt 1991-6-1 2708 Napa north of Campbell Flat, Mt. St. John 463 Comment
  UCD83863  Lathyrus vestitus var. vestitus Ellen Dean; Stephen Rae 2010-3-15 5821 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  JEPS55366  Lathyrus vestitus var. vestitus Willis L. Jepson 1893-4-24 13636 Napa e of St. Helena; Napa River Basin Comment
  UC864589  Lathyrus vestitus var. vestitus Alice Eastwood 1915-5-1 6831 Napa Mt. St. Helena Comment
  JEPS106621  Layia chrysanthemoides Jake Ruygt 1989-4-3 2246 Napa Airport Rd. north side, Gunn Ranch 10 Comment
  UCD133938  Layia chrysanthemoides Craig Brauer 1974-4-15 7090 Napa the collection was made near Wallace Ranch. 188 Comment
  CAS-BOT-BC323198  Layia chrysanthemoides J. Clausen 1935-5-22 1068 Napa 2.2 mi. S of Knoxville Comment
  HSC5916  Layia chrysanthemoides Greg Bos 1963-3-30 59 Napa 3 mi. S of Middleton on Butte Canyon Rd. Comment
  SEINET7881742 Image available Layia chrysanthemoides H. S. Reed 1939-1 225 Napa Napa Valley Comment
  HSC43960  Layia septentrionalis Robert M. Specht 1977-4-19 700 Napa Above drainage running NE from Adams Creek (sire 163) 497 Comment
  JEPS122954  Leersia oryzoides Jake Ruygt 1986-8-23 1903 Napa Conn Creek west of the spillway. Quad: Rutherford. 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
  CAS-BOT-BC534369  Lemna minor Peter H. Raven 1951-6-26 3042 Napa Sarco Creek east of Napa 60 Comment
  CAS-BOT-BC221495  Lepechinia calycina Milo S. Baker 1926-4-10 s.n. Napa Trail to Crater - 2 mi S. St Helena Inn Comment
  HSC71002  Lepechinia calycina J. M. DiTomaso 1980-6-12 1578 Napa 1 mi. W of Monticello Dam at Lake Berryessa, above lake. 146 Comment
  JEPS110792  Lepechinia calycina Jake Ruygt 1992-5-15 2968 Napa Wild Horse Valley Ranch, west of road north of polo field 499 Comment
  UCD19315  Lepechinia calycina M. A. Bibbo; E. Dean 2001-7-6 7 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, ca. 0.5 air miles from jct. with S Decker canyon rd. W (downslope) side of the road. 243 Comment
  UCD70473  Lepechinia calycina P. J. Plummer 1995-5-29 s.n. Napa W of city of Winters, roadside off hwy 128. 335 Comment
  UCD74400  Lepidium acutidens Jake Ruygt 1994-2-23 3300 Napa Tubbs Lane at Myrtledale Rd., Calistoga. 122 Comment
  UC856367  Lepidium dictyotum var. acutidens Milo S. Baker 1936-4 7571 Napa Calistoga Geysers Comment
  JEPS106833  Lepidium latifolium Jake Ruygt 1994-6-17 3404 Napa Fagan Slough 1 Comment
  JEPS106788  Lepidium latipes var. latipes Jake Ruygt 1981-4-18 981 Napa Harris Canyon 365 Comment
  RSA696168  Lepidium nitidum Keith E. Hoffmaster 1946-3-23 1058 Napa Napa range, along Napa-Monticello road Comment
  CAS-BOT-BC12925  Lepidium strictum A. A. Heller; H. E. Brown 1902-4-25 5363 Napa Near Napa. Comment
  RSA51336  Lepidium strictum P. H. Raven 1950-4-15 1703 Napa Napa. 9 Comment
  UCD161697  Lepidium strictum Jake Ruygt 2010-5-20 5560 Napa west end of Soscol Ferry Road, 100 yards from Napa River. 6 Comment
  RSA137126  Leptosiphon androsaceus Verne Grant 1960-4-13 10189 Napa A few miles E. of Angwin on summit of road from St. Helena to Pope Valley. 518 Comment
  UCD118598  Leptosiphon androsaceus M. Wiesendanger 1927-5-4 682 Napa near Monticello. Comment
  OBI54928  Leptosiphon androsaceus Kathleen Faustini 1980-5-4 25 Napa Monticello dam Comment
  OBI6321  Leptosiphon androsaceus Lewis S. Rose 1961-3-30 Napa 1 mi. n. of Conn Reservoir, Lake Hennessy. 152 Comment
  POM182747  Leptosiphon androsaceus D. D. Keck 1931-4-2 1037 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  SEINET14160510  Leptosiphon androsaceus M. J. Williams 1967-5-7 s. n. Napa Howell Mountain, between St. Helena and Angwin 259 Comment
  UCD118576  Leptosiphon androsaceus John D. Atkin 1952-5-1 15 Napa on north slope of Portuguese Canyon, about 1 mile up Putah Creek from Recreation Beach. Comment
  UCD148790  Leptosiphon bicolor Ellen Dean; Diana Hickson 2014-4-29 8098 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD167231  Leptosiphon bolanderi Jake Ruygt 2003-3-31 4486 Napa South of historic Knoxville on ridge to west. 445 Comment
  UCD170446  Leptosiphon ciliatus Daniel Potter; Ninh Khuu 2017-5-14 918 Napa Knoxville Wildlife Area, west of and above Nevada Creek. 482 Comment
  JEPS129077  Leptosiphon parviflorus Jake Ruygt 2016-4-12 6184 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  UC2042989  Leptosiphon parviflorus Barbara Ertter with Jake Ruygt 1996-4-25 14597 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  UCD170684  Leptosiphon parviflorus 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD18033  Leptosiphon parviflorus Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 582 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. West-facing slope up by air quality station. 548 Comment
  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
  UCD167237  Leptosiphon pygmaeus subsp. continentalis Jake Ruygt 1998-4-27 3939 Napa NE corner of the county, on Blue Ridge. 865 Comment
  CAS-BOT-BC324167  Lessingia hololeuca John Thomas Howell 1927-9-10 3098 Napa Near Callistoga 213 Comment
  JEPS106605  Lessingia hololeuca Jake Ruygt 1992-8-3 3115 Napa east of Spencer Creek near Solano County line 313 Comment
  JEPS106629  Lessingia hololeuca Jake Ruygt 1996-10-19 3798 Napa SE corner of Tubbs lane and Myrtledale Road. 121 Comment
  JEPS82264  Lessingia ramulosa Roger Raiche 1983-7-2 30460 Napa along Snell Valley Road near road marker NAPA 2 40 Comment
  CAS-BOT-BC444417  Lewisia rediviva Milo S. Baker; Alice Griffin 1926-3-30 168 Son Ser. Napa The Crater, Mt St Helena Comment
  CAS-BOT-BC444465  Lewisia rediviva var. rediviva Alice Eastwood 1915-6-6 4666 Napa Mt. St. Helena Comment
  CAS-BOT-BC451586  Lilaea scilloides Peter H. Raven 1951-6-24 3027 Napa Brown's Valley to Napa-Sonoma Rd. 91 Comment
  JEPS89888  Lilaeopsis masonii Dean Wm. Taylor with Glenn L. Clifton 1990-5-30 10815 Napa Napa R. in Napa, ca. 150 meters downstream of Third St. bridge, on west bank. Comment
  UC619361  Lilaeopsis masonii Wilhelm N. Suksdorf 1913-7-24 630 Napa 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
  JEPS17375  Limnanthes douglasii Rimo Bacigalupi with John Dawson 1955-4-25 4842 Napa 2 1/2 mi s Imola (along CA Hwy 29) Comment
  JEPS112566  Limnanthes douglasii subsp. nivea Jake Ruygt 1994-4-16 3350 Napa North end of Chiles Valley near Chiles- Pope Valley Road. 228 Comment
  JEPS122773  Limnanthes douglasii subsp. rosea Jake Ruygt 1999-4-21 4139 z Napa Parry Collins property on Atlas Peak Road near Milliken Reservoir property. Quad: Capell Valley. Comment
  SEINET5556954  Limnanthes douglasii var. nivea H. S. Gentry 1962-1 19703 Napa 3 mi. north of Calistoga, along Rt. 128. 60 Comment
  UCD116445  Limnanthes douglasii var. nivea H. Popenoe 1949-4-17 8 Napa 17 miles from Winters, Putah Canyon Road, at entrance to Monticello Valley. Comment
  UCD167292  Limnanthes floccosa subsp. floccosa Jake Ruygt 2005-4-17 4772 Napa Cub Valley' south of Bear Valley. 664 Comment
  JEPS29592  Linanthus androsaceus Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8449 Napa 0.75 mi s Capell Valley (slope above Calif Highway 37, along Capell Creek); Capell Creek 249 Comment
  UC1005688  Linanthus androsaceus Frank W. Gould 1939-4-6 602 Napa 11 mi e Napa 304 Comment
  SEINET5732163 Image available Linanthus bicolor Jill Bockus 1974-1 5 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon Road and Chiles Valley Road intersection. Comment
  JEPS58378  Linanthus dichotomus W. L. Jepson 1924-4-6 10313 Napa Conn Valley Napa Range 91 Comment
  JEPS111461 Image available Linanthus dichotomus subsp. meridianus Sally Chess 2003-4-22 112 Napa Robert Louis Stevenson State Park. Comment
  POM182740  Linanthus dichotomus subsp. meridianus D. D. Keck 1931-4-2 1044 Napa Near Cannon House, Steel Canyon, 8 miles south of Monticello, eastern Napa County Comment
  POM65868  Linanthus dichotomus subsp. meridianus C. F. Baker 1903-4-30 2627 Napa [Near] St. Helena. Comment
  SEINET12329985  Linanthus dichotomus subsp. meridianus F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -299 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  SEINET7075539  Linanthus grandiflorus A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
Read comments Jul 19 2018
  CAS-BOT-BC123058  Linanthus jepsonii Carol Goodwillie 1995-5-11 1 Napa Wantrup Wildlife Sanctuary, on primary road 1.3 km W of Hardin Road, 60 meters N of vernal pool 256 Comment
  RSA0004837  Linanthus jepsonii C. Goodwillie 1995-5-11 001 Napa Wantrup Wildlife Sanctuary, on primary road 1.3 km west of Hardin Road, and 60 meters north of vernal pool on north-facing. 256 Comment
  JEPS58098  Linanthus latisectus W. L. Jepson 1897-5-2 20940 Napa sw of Calistoga (Rebecca Ranch grade); Upper Napa Valley Comment
  UCR115093  Linanthus parviflorus G. Fred Hrusa, S. Larson 1995-4-10 12059 Napa c. 1 mi. below bridge over Pope Creek, on Pope Canyon Rd 175 Comment
  CDA40092  Linanthus parviflorus T. C. Fuller 1958-5-1 3720 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  JEPS85050  Linanthus parviflorus Larry Heckard and Mary Ashton 1969-5-3 2214 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd, above and w of the n meadow) 510 Comment
  JEPS110999  Linanthus pygmaeus subsp. continentalis Jake Ruygt 1996-4-12 3603 Napa Blue Ridge, north of Monticello Dam. 621 Comment
  JEPS37735  Lithocarpus densiflorus W. L. Jepson 1894-10-14 Napa Rebecca Ranch grade; Upper Napa Valley Comment
  CDA10843  Lithophragma affine G. F. Hrusa, G. L. Stebbins 1994-4-18 11780 A Napa North Coast Biodiversity Arena; Pope Valley. Along upper Swartz Creek N tributary (James Cr.). 457 Comment
  JEPS47510  Lithophragma affine W. L. Jepson 1910-3-28 4029 Napa Rebecca Ranch grade sw Calistoga; sw of Calistoga Comment
  UCD49253  Lithophragma affine Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 17 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd., W of creekbed. 182 Comment
  CAS-BOT-BC435615  Lithophragma heterophyllum Carl B. Wolf 1928-5-3 1826 Napa Base of Mt. St. Helena Comment
  CAS-BOT-BC435616  Lithophragma heterophyllum L. R. Abrams 1928-5-3 12244 Napa Summit St. Helena Grade Comment
  CHSC11041  Lithophragma heterophyllum Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  UCD49254  Lithophragma parviflorum var. parviflorum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 25 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-Off Rd. 152 Comment
  CAS-BOT-BC342248  Logfia filaginoides Peter H. Raven 1951-5-20 2854 Napa Hills w. Oakville 548 Comment
  JEPS106957  Logfia filaginoides Jake Ruygt 1982-4-3 1162 Napa 3.2 miles north of Loma Vista on Soda Canyon Rd. 335 Comment
  CAS-BOT-BC283553  Lolium multiflorum Peter H. Raven 1952-5-29 4080 Napa Napa River, 1 mile N of Napa 60 Comment
  UC38796  Lolium temulentum Willis L. Jepson 1894-1 Napa Little Oak Comment
  SEINET10592043  Lolium temulentum A. S. Hitchcock 1902-4-15 Hitchcock 5365 Napa Near Napa. Comment
  UCD48427  Lomatium californicum K. Mogel; B. Pekin, and M. Higley 2002-5-4 9 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 1000 ft along the lower road that leads to the power lines; immediately downslope of road. 304 Comment
  CDA38343  Lomatium californicum B. E. Eaton 1972-4-5 s.n. Napa Calistoga. 0 Comment
  HSC38125  Lomatium californicum Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2350 Napa Along Morgan Valley Rd., 4.5 mi N of Lake Berryessa Comment
  CAS-BOT-BC123122  Lomatium ciliolatum var. hooveri Mildred Esther Mathias 1937-5-23 1298 Napa 1.9 mile SE of Napa-Lake County Line on road to Knoxville Comment
  UCD127626  Lomatium dasycarpum Robert E. Preston 1987-6-18 564 Napa around 1/2 mile east of Round Corral, Big Basin. 182 Comment
  UCD18065  Lomatium dasycarpum subsp. dasycarpum Ellen Dean; with Plant Biology 102 class 2000-4-22 620 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  JEPS104545  Lomatium dissectum var. dissectum Jake Ruygt 1989-4-22 2262 Napa 4.7 miles NE of Atlas Peak Rd. on Monticello Road 286 Comment
  HSC70623  Lomatium marginatum var. marginatum J. M. DiTomaso 1980-6-13 1584 Napa Hwy. 128, 5 mi. NW of junction with Hwy. 121 Comment
  JEPS14077  Lomatium marginatum var. purpureum W. L. Jepson 1938-6-8 18886 Napa n. Pope Valley (on s. fork of Butts Creek, Butts Canyon); Butts Canyon Comment
  UC963883  Lomatium marginatum var. purpureum Milo S. Baker 1931-4-2 5126 Napa along road to Middletown seven mi from Pope Valley Store Comment
  OBI8852  Lomatium nudicaule Willis L. Jepson 1893-6-14 14316 Napa Near Napa City; Road to Napa Soda Springs near Geualon Miller's Comment
  UC21241  Lomatium nudicaule Willis L. Jepson 1894-5-1 Napa Napa R. Basin, Conn Valley Comment
  UCD127713  Lomatium repostum G. Ledyard Stebbins Jr. 1964-5-24 6157 Napa West of Aetna Springs, ca. 1/2 mile west of Corona Mine. 670 Comment
  UCD159751  Lomatium repostum G. Ledyard Stebbins 1971-5-2 8006 Napa Northeast of Napa. Ranch of Giles Mead, along Atlas Mountain [Peak] road. (Exact location unknown. Coordinates estimated by label maker as near Mead Ranch Vineyards.) 487 Comment
  SEINET11130159  Lomatium repostum D. H. French 1968-4-20 2861 Napa Mount St. Helena, above fire access road, ca 0.5 mile above monument for R.L. Stevenson's former cabin. Comment
  JEPS104474  Lomatium utriculatum Jake Ruygt 1986-3-6 1632 Napa .4 miles east of Flosden Rd. on American Canyon Rd. 103 Comment
  UCD148803  Lomatium utriculatum Ellen Dean; Diana Hickson 2014-4-29 8110 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 592 Comment
  UCD47866  Lomatium utriculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 24 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Barryessa-Knoxville Road. 411 Comment
  UCD16040  Lomatium utriculatum L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 20 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. West of road. 38 deg. 49' 38.7'' N, 122 deg. 20' 22.4'' W; 396 m. Comment
  JEPS104515  Lomatium vaginatum Jake Ruygt 1998-5-30 4003 Napa Table Rock 749 Comment
  JEPS104518  Lomatium vaginatum Jake Ruygt 1994-3-19 3324 Napa Table Rock 743 Comment
  SEINET5501037 Image available Lonicera interrupta Sally Walker 1981-5-18 Napa 3.6 mi S of middletown, Napa Co. Comment
  JEPS29583  Lotus micranthus Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8440 Napa 2.2 mi n Atlas Peak road junction with Monticello road (Calif. 37) (along Atlas Peak road, on first switchback grade) 73 Comment
  UC15636  Lotus micranthus Willis L. Jepson Apr 1893 Napa near St. Helena; Napa River Basin Comment
  JEPS107206  Lotus purshianus var. purshianus Jake Ruygt 1992-5-15 2960 Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  UC1197283  Lotus scoparius Joseph P. Tracy 1904-5-23 2100 Napa near Calistoga; Northern Coast Ranges 243 Comment
  UCD65951  Ludwigia peploides subsp. montevidensis B. J. Grewell 2006-9-19 06- 72 -LU Napa Lake Hennessey where reservoir overflow backs up into confluence with Sage Creek south of Hwy 128. 97 Comment
  UCD65963  Ludwigia peploides subsp. montevidensis B. J. Grewell 2007-10-18 07- 106 -LU Napa Roadside drain west of Hwy 29 at Solano Avenue and Hoffman Lane crossing, Yountville, CA. 23 Comment
  UCD78330  Ludwigia peploides subsp. montevidensis B. J. Grewell 2005-9-14 05- 21 -LU Napa Lake Hennessey shoreline at Sage Creek overflow, s. of Hwy 128 and east of main lake body. 99 Comment
  CAS-BOT-BC198366  Lupinus albifrons C. B. Wolf 1928-2-25 1486 Napa On Mt. St. Helena Grade, 2 miles below Hawkins Mt. Camp Comment
  JEPS64923  Lupinus albifrons Willis L. Jepson 1893-4-25 54 t Napa trail to Caux's Cabin (w of St. Helena); Napa River Basin Comment
  CAS-BOT-BC201548  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-3-22 1131 Napa Howell Mt. Comment
  CAS-BOT-BC201550  Lupinus albifrons var. albifrons E. K. Balls 1952-5-8 8743 Napa 2.8 mi. W. from Calistoga on rd. to Santa Rosa, via. Petrified Forest Comment
  CDA11338  Lupinus albifrons var. albifrons G. F. Hrusa 1995-4-2 12048 Napa North Coast Biodiversity Arena; 1 m. NE of corner of Chiles-Pope Valley Rd. and Hwy 128 heading up Salt Canyon, upper end of Hennessey Res., on Hwy. 128. Comment
  RSA15678  Lupinus albifrons var. albifrons Carl B. Wolf 1928-2-25 1490 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  CAS-BOT-BC196279  Lupinus albifrons var. eminens John Thomas Howell 1926-3-20 1695 Napa Old toll road about 1 1/2 miles from highway; se. of Mt. St. Helena Comment
  JEPS65351  Lupinus bicolor W. L. Jepson 1924-4-6 10317 Napa Howell Mt. Comment
  UCD18040  Lupinus bicolor Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 591 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCD161527  Lupinus bicolor Jake Ruygt 1991-4-6 2623 -z Napa Lyerla Ranch, near Montgomery Creek on Mt. Veeder Road. 350 Comment
  UC15866  Lupinus formosus W. H. Brewer 1861-11-5 857 Napa Napa Valley; ; Fields near Camp 64 (modern Yountville) fide FB Comment
  UC127049  Lupinus formosus var. formosus Willis L. Jepson July, 1892 Napa Berryessa Valley Comment
  UCD107994  Lupinus latifolius D. E. Breedlove 1963-5-29 5053 Napa 4 miles S of Pope Valley. Comment
  JEPS107223  Lupinus luteolus Jake Ruygt 1987-6-27 2057 Napa Berryessa-Knoxville Rd. near Lake Co. line, Morgan Valley 627 Comment
  UCD161788  Lupinus microcarpus Jake Ruygt 1998-4-27 3946 Napa Foley Creek Basin, west ridge, east of Berryessa-Knoxville Road. 414 Comment
  OBI48332  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jctn Hwy 29 in Rutherford, 3.6 mi W jct Lower Chiles Valley Rd Comment
  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
  SBBG114094  Lupinus microcarpus var. densiflorus R. Riggins 1982-5-22 1420 Napa St Hwy 128 E, 7.2 mi E of jct with Hwy 121, 2.9 mi W Monticello Dam, Lake Berryessa 274 Comment
  UCD108695  Lupinus microcarpus var. densiflorus Alan P. Godlewski 1974-5-3 s.n. Napa 5 miles West of Winters, approx. 100 yds from hiway 128. Comment
  JEPS107216  Lupinus microcarpus var. microcarpus Jake Ruygt 1988-5-29 2195 Napa Cedar Valley 588 Comment
  JEPS107246  Lupinus nanus Jake Ruygt 1976-5-2 48 Napa 3.3 miles NE of Westgate Dr. on Atlas Peak Road 350 Comment
  JEPS65399  Lupinus nanus Willis L. Jepson 1893-4-26 20 t Napa near Yountville (La Lomita); Napa River Basin, , near Yountville Comment
  SEINET11548759  Lupinus nanus Heather Schneider, Sharma, Manju 2015-1 621- 20150426 -1V Napa Quail Ridge Reserve; about 6 miles NE of Vacaville 226 Comment
  POM66227  Lupinus nanus subsp. nanus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS65412  Lupinus pachylobus Edw. L. Greene 1892-1 Napa Mt. St. Helena Comment
  JEPS65427  Lupinus polyphyllus W. L. Jepson 1893-6-26 44 t Napa Howell Mt. 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
  UCD161642  Lupinus sericatus Jake Ruygt 2005-5-11 4836 Napa Oat Hill Mine Road, upper Swartz Canyon. (Coordinates converted from UTM data by label maker.) 701 Comment
  CAS-BOT-BC202228  Lupinus sericatus Alice Eastwood 1923-5-9 s.n. Napa Mt. St. Helena Comment
  UCD47979  Lupinus succulentus Ari Houser; J. Westbrook, S. Ratay, M. Disney, R. Wolfson,S. Wathen 2000-4-22 22 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  POM202756  Lupinus vallicola subsp. apricus I. L. Wiggins 1932-3-12 5765 Napa Between Franz Valley and Calistoga. Comment
  SEINET7072776  Luzula comosa A. G. Vestal 1963-5-12 s.n. Napa High point on Spring Mountain Road above Saint Helena. Coordinate datum: WGS84/NAD83. (38? deg. 31' 15" North Latitude, -122? deg. 32' 3" West Longitude, UTM Zone 10, 540614mE, 4263487mN. Coordinate datum: NAD 27.) 549 Comment
  JEPS126044  Luzula comosa var. comosa Jake Ruygt 1992-3-18 2855 Napa Next to south lake, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  UCD167070  Luzula comosa var. comosa Jake Ruygt 2007-3-3 5122 Napa Las Posadas States Forest, in upper meadow north of fire station. 521 Comment
  CAS-BOT-BC441242  Luzula macrantha Alice Eastwood 1922-5-4 11260 Napa Calistoga Comment
  UCD118560  Luzula subsessilis Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. NE of fire station on south side of undeveloped road. 519 Comment
  JEPS112658  Lythrum californicum Jake Ruygt 1982-8-11 1383 Napa Myrtledale Rd., .1 mile south of Tubbs Lane 120 Comment
  JEPS120343  Lythrum californicum Jake Ruygt 2000-6-10 4275 Napa Adams Creek. Walter Springs 7.5' Quad. Comment
  JEPS45952  Lythrum hyssopifolia W. L. Jepson 1894-11-7 14092 Napa Napa Comment
  UCD19326  Lythrum hyssopifolia M. A. Bibbo; E. Dean 2001-7-6 18 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline on N edge of water hole downslope of the road. 320 Comment
  CAS-BOT-BC343828  Madia elegans Peter H. Raven 1951-8-19 3853 Napa Near Lokoya 487 Comment
  CAS-BOT-BC343830  Madia elegans David D. Keck 1933-11-10 2714 Napa Calistoga Comment
  JEPS40213  Madia elegans W. L. Jepson 1893-9-23 Napa Upper Napa Valley Comment
  JEPS7382  Madia elegans Willis L. Jepson Aug 1892 Napa Napa Valley Comment
  CAS-BOT-BC344444  Madia exigua Peter H. Raven 1950-7-20 2378 Napa Howell Mtn., on nne side road to Pope Valley Comment
  UCD159955  Madia exigua Alice Warrick 2006-6-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q44. 243 Comment
  UCD170436  Madia exigua Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 908 Napa Knoxville Wildlife Area, west of Berryessa-Knoxville Road. 348 Comment
  UCD48581  Madia exigua Kook-Hyun Chung; M. Hauselt, C. Ineich, J. Deusterman 2001-4-28 9 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft.) 'as the crow flies' NW of jct. with S. Decker Canyon Rd.; downslope of West Rd. ca. 20 m. 242 Comment
  CAS-BOT-BC344449  Madia exigua J. Clausen 1935-5-22 1070 Napa One mile east of Chiles Valley Store Comment
  UC527942  Madia exigua R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6661 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  CAS-BOT-BC343196  Madia gracilis Peter H. Raven 1952-5-26 4037 Napa St. Helena to Howell Mt. 304 Comment
  CAS-BOT-BC343200  Madia gracilis David D. Keck 1933-5-29 2343 Napa Pope Creek Bridge south of Walters Springs Comment
  UCD48577  Madia gracilis Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 2 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
  UCD48579  Madia gracilis K. Mogel; B. Pekin and M. Higley 2002-5-4 5 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East raods; ca. 100 ft along the lower road that leads to the power lines; immediately downslope of road. 335 Comment
  UCD63149  Madia gracilis Jake Ruygt 2003-4-14 4498 Napa Lower hills of Blue Ridge east of Zim-Zim Creek. 365 Comment
  CAS-BOT-BC343195  Madia gracilis John Thomas Howell 1933-6-4 11385 Napa Hills east of Napa Comment
  CAS-BOT-BC343203  Madia gracilis H. M. Hall 1931-5-26 13091 Napa Napa Range, east slope near summit 335 Comment
  NY214974  Madia hallii H. M. Hall 1931-5-27 13094 Napa Near Knoxville, northeastern Napa County. Comment
  POM56189  Madia hallii C. F. Baker 1903-5-8 3079 Napa Knoxville. Comment
  POM125421  Madia nutans Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena Comment
  POM216220  Madia nutans D. D. Keck 1933-5-28 2329 Napa Howell Mountain, 1 mile SW of Pacific Union College Comment
  POM298296  Madia nutans D. D. Keck 1931-4-2 1027 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 200 Comment
  RSA10705  Madia nutans C. B. Wolf 1928-5-3 1782 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  JEPS106637  Madia sativa Jake Ruygt 1987-5-27 2016 Napa Dept. of Fish and Game, Huichica Cr.prop erty near Buchli 2 Comment
  JEPS106678  Madia sativa Jake Ruygt 1990-5-11 2536 c Napa Green Island Road at first bend 3 Comment
  CAS-BOT-BC345046  Madia sativa David D. Keck 1933-5-28 2326 Napa Just north of Yountville Comment
  JEPS40385  Madia sativa W. L. Jepson 1936-6-1 17598 Napa Howell Mt. Napa Range Comment
  UCD167283  Malacothamnus fremontii Jake Ruygt 2003-6-21 4552 Napa West of Berryessa Knoxville Road near mouth of Foley Creek. 329 Comment
  JEPS36779  Malacothrix floccifera Willis L. Jepson 1894-5-1 Napa red ridge opposite mouth of Conn Valley; Napa River Basin Comment
  UC1278039  Malacothrix floccifera B. Crampton 1954-5-20 1925 Napa ca 8 mi sw Monticello (along State Hwy 128) Comment
  UCD170680  Malacothrix floccifera 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
  JEPS122762  Malva sylvestris Jake Ruygt 2010-3-4 5476 Napa Highway 29 near Napa Junction Road. Quad: Cuttings Wharf. Comment
  JEPS106389  Marah fabacea Jake Ruygt 1976-4-23 17 Napa 2.1 miles NE of Silverado Trail on Deer Park Rd. 213 Comment
  UC504872  Marah fabacea R. M. Holman 1933-4-12 Napa near Mt. Veeder Comment
  POM339533  Marah fabacea F. R. Fosberg 1967-4-1 48412 Napa Hills just south of Lake Berryessa Comment
  UCD170145  Marah watsonii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 731 Napa Knoxville Wildlife Area. 311 Comment
  UCR23895  Medicago arabica John C. Roos 1939-5-2 292 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  CHSC25141  Medicago polymorpha J. E. Beitler 1970-4-19 29 Napa St. Helena. Found ca. 25 yards W of York Creek bridge on York Lane 3 ft. in from N. side of the road. Comment
  POM66927  Medicago polymorpha Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD48972  Medicago polymorpha L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 5 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  POM67047  Medicago polymorpha var. brevispina Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SACT001488  Melica californica John Willoughby 1977-4-20 Napa Below and just to the south of Mount Vaca. Rocky areas in chaparral. 609.6 Comment
  UC771210  Melica californica W. S. Boyle 1942-4-25 1071 Napa 10 mi n Napa (on the Silverado Trail road) Comment
  UCD148797  Melica californica Ellen Dean; Diana Hickson 2014-4-29 8104 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  SEINET196999 Image available Melica californica var. californica W. S. Boyle 1942-4-26 1071 Napa 10 mi N of Napa on Silvarado Trail Rd Comment
  POM262893  Melica californica var. nevadensis J. C. Roos 1939-4-15 319 Napa Pope Valley. Comment
  SEINET8719050 Image available Melica geyeri W. S. Boyle 1942-1 1072 Napa Along the Silvarado Trail Road 7 miles south of Calistoga Comment
  CAS-BOT-BC264222  Melica torreyana David D. Keck 1931-4-2 1034 Napa Wooden Valley Grade, east side of Napa Range, 8 miles from Napa Comment
  JEPS76084  Melica torreyana W. L. Jepson 1938-5-22 18813 Napa Pope Valley; Limekiln Creek Canyon Comment
  CDA32528  Melica torreyana P. B. Kennedy 1928-4-15 Napa Blake Estate, south east of Pacific Union College, Angwin 0 Comment
  JEPS129115  Melilotus officinalis Jake Ruygt 2009-6-27 5456 Napa Hunting Creek near Morgan Valley. Jericho Valley 7.5' Quad. Comment
  JEPS110791  Melissa officinalis Jake Ruygt 1992-7-10 3080 Napa Yountville Ecological Reserve, Yountville Cross Rd., Napa River 26 Comment
  JEPS112578  Mentha arvensis Jake Ruygt 1992-7-10 3079 Napa Yountville Ecological Reserve, Yountville Crossroad 25 Comment
  CDA34660  Mentha pulegium L. Ahart 2009-10-12 16440 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
  JEPS112575  Mentha pulegium Jake Ruygt 1969-12-31 420 Napa Napa River north of Trancas St. 4 Comment
  JEPS63441  Mentha spicata Willis L. Jepson August, 1892 14927 Napa Napa 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
  UC19605  Mentzelia laevicaulis var. laevicaulis Brewer Aug 1862 1315 Napa Rag [Wragg] Canyon near Putah Creek Comment
  UCD102804  Micranthes californica H. H. Dickinson 1950-4-1 16 Napa Putah Canyon, near Monticello. Comment
  CDA12105  Micropus californicus G. F. Hrusa 1989-4-24 5963 A Napa North Coast Biodiversity Arena; Hwy 128, approx. 10 miles S of Pope Valley. Comment
  UCD18173  Micropus californicus Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCD81819  Micropus californicus Ellen Dean 2009-4-24 5446 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  CAS-BOT-BC348547  Micropus californicus var. californicus Carl B. Wolf 1928-5-3 1797 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  UC527951  Micropus californicus var. californicus R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6656 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  UCD134489  Micropus californicus var. californicus David Lawfer 1952-4-20 149 Napa Napa. Comment
  UC164798  Micropus californicus var. californicus Joseph P. Tracy 1902-5-26 1636 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UC468874  Micropus californicus var. californicus H. P. Chandler 1907-5-19 7584 Napa White Sulphur Spring St. Helena Comment
  UC581134  Micropus californicus var. californicus H. L. Mason 1934-4-30 8103 Napa w side Wooden Valley Grade (near summit) Comment
  UCD134515  Micropus californicus var. californicus M. R. Wanzer 1948-4-3 6 Napa west side of small hill, Putah Canyon, 13 miles west of Winters. Comment
  UC50009  Microseris acuminata Edw. L. Greene 1886-5-4 Napa Gordon Valley Comment
  CAS-BOT-BC348964  Microseris douglasii subsp. douglasii John H. Thomas 1955-5-21 5163 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  CAS-BOT-BC348969  Microseris douglasii subsp. douglasii David D. Keck 1933-5-29 2351 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS106893  Microseris douglasii subsp. douglasii Jake Ruygt 1997-4-28 3837 Napa East of Highway 29, south of Kelley Road; American Canyon. Cuttings Wharf 7.5' Quad. 21 Comment
  UC50033  Microseris douglasii subsp. douglasii Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  CAS-BOT-BC349184  Microseris elegans David D. Keck 1931-4-4 1093 Napa Geysers just NW. of Calistoga, northwestern Napa County Comment
  POM182669  Microseris elegans D. D. Keck 1931-4-4 1093 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  JEPS122679  Microseris laciniata subsp. laciniata Jake Ruygt 1982-6-1 1302 Napa 0.3 miles north of Chimney Rock Golf Course on Silverado Trail. Quad: Yountville. Comment
  JEPS101494  Mimulus angustatus Dean W. Taylor 1998-6-3 16453 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 624 Comment
  UC1196827  Mimulus arvensis J. P. Tracy 1899-6-11 362 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  UCD18369  Mimulus aurantiacus R. Wenk 2000-5-14 6 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  HSC43919  Mimulus aurantiacus var. aurantiacus Robert M. Specht 1977-4-13 652 Napa South-facing slope 488 Comment
  RSA60354  Mimulus aurantiacus var. aurantiacus G. R. Campbell 1948-6-18 657 Napa 10 miles south of Montecello Comment
  UC445123  Mimulus aurantiacus var. aurantiacus C. F. Sonne April 1887 604 Napa near Vallejo; White Sulphur Springs Comment
  JEPS110583  Mimulus congdonii Jake Ruygt 1990-4-1 2449 Napa south of Leoma Lakes, Wild Horse Valley Ranch. 429 Comment
  JEPS11534  Mimulus grandis Willis L. Jepson 1893-4-24 4 m Napa hills e St. Helena (to Conn Valley Grade); Napa River Basin, Howell Mt. foothills Comment
  JEPS11029  Mimulus guttatus Willis L. Jepson 1893-5-2 29 m Napa e Calistoga (Pope Valley grade); Napa River Basin, Napa Range Comment
  JEPS2938 Image available Mimulus guttatus var. insignis Willis L. Jepson 1893-1 8 m Napa near Yountville; Napa River Basin, La Lomita; La Lomita, Napa River Basin, near Yountville Comment
  UCD167999  Mimulus kelloggii James A. Neilson Jr. 1977-4-13 3866 Napa Summit Oat Hill Mine Rd., about 1/2 mile west Twin Peaks, about 1/3 mile north and a liitle west of Sugarloaf Mt. (Exact location unknown, coordinates estimated by label maker.) Comment
  RSA195352  Mimulus kelloggii Gilbert Muth 1967-5-17 686 Napa Summit of Oat Hill Road. 671 Comment
  CDA41702  Mimulus layneae S. E. Schoenig 1998-6-3 98 -21 Napa Research Hill, 0.1 mile southwest of Devilhead Road, 0.5 mile southwest of Knoxville-Berryessa Road, 1 mile northwest of Homestake Mine. Comment
  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
  JEPS110579  Mimulus microphyllus Jake Ruygt 1991-5-25 2693 b Napa Paradise Valley 280 Comment
  UC1301190  Mimulus microphyllus Helen K. Sharsmith 1963-3-17 5216 Napa s side Mt. Atlas; San Francisco Bay Region 609 Comment
  UC614484  Mimulus microphyllus L. Constance 1938-3-27 2040 Napa above Wooden Valley (8 mi ne of Napa, e slope of mountains); Coast Ranges, Howell Mountains 457 Comment
  JEPS82744  Mimulus nudatus L. R. Heckard and J. C. Hickman 1984-4-6 6148 Napa se Lake County line (Butts Canyon road); Butts Creek Comment
  RSA309394  Mimulus nudatus Robert F. Hoover 1941-4-26 4928 Napa Summit between Pope Valley and Butts Creek Comment
  UC1778536  Mimulus nudatus S. E. Schoenig 1998-6-3 98 -19 Napa 200 meters W of Knoxville-Berryessa Rd. , 2 mi. S of Homestake mine;lat corrected from 35 426 Comment
  UCD122791  Mimulus nudatus S. E. Schoenig 1998-6-3 98- 19 Napa 200 m W of Knoxville-Beryyessa Rd., 2 mi. S of Homestake mine. 426 Comment
  UCD167090  Mimulus nudatus Jake Ruygt 2015-3-7 6030 Napa South of Snell Peak. 305 Comment
  UCR42417  Mimulus nudatus L. F. LaPre 1986-5-6 s.n. Napa Devil Head Road, c. 2 mi south of the Berryesa to Knoxville Road, 1.75 airlines mi south of Knoxville & about 1.75 mi east of the Lake Co. line. 488 Comment
  JEPS110594  Mimulus pulsiferae Jake Ruygt 1992-5-6 2946 Napa west of Mitten Lake, Wild Horse Valley 420 Comment
  JEPS28967  Mimulus pulsiferae Joseph P. Tracy 1950-5-23 18661 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain, La Jota Plateau 518 Comment
  UC1245411  Mimulus pulsiferae Joseph P. Tracy 1950-5-23 18661 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain, La Jota Plateau 518 Comment
  CAS-BOT-BC467196  Minuartia californica L. R. Abrams 1928-5-3 12222 Napa St. Helena Grade Comment
  JEPS106746  Minuartia douglasii Jake Ruygt 1979-5-24 631 Napa 1 mile east of Silverado Trail on HWY 128 67 Comment
  UC1103536  Minuartia douglasii Joseph P. Tracy 1902-5-15 1484 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  CAS-BOT-BC388758  Minuartia douglasii John Thomas Howell 1933-6-4 11393 Napa Hills east of Napa Comment
  JEPS63304  Moluccella laevis H. J. Baade 1926-6-26 Napa Berryessa Valley; Coleman ranch Comment
  JEPS110818  Monardella douglasii Jake Ruygt 1985-6-3 1609 Napa American Canyon, .4 miles east of Flosden Rd. 161 Comment
  CAS-BOT-BC220620  Monardella villosa John Thomas Howell 1930-7-13 5349 Napa Edge of the Crater Country Comment
  JEPS110829  Monardella villosa subsp. villosa Jake Ruygt 1979-6-9 680 Napa 11.7 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 234 Comment
  UC761789  Monardella viridis R. F. Hoover 1941-8-24 5575 Napa e side Mt. St. Helena Comment
  UCD167097  Monardella viridis Jake Ruygt 2015-6-13 6129 Napa Fernandes - Snell Peak, Land Trust. 381 Comment
  RSA0054950  Montia Keith E. Hoffmaster 1946-3-23 1218 Napa Along Napa-Monticello road. Comment
  CAS-BOT-BC515123  Muilla maritima John Thomas Howell 1926-3-27 1760 Napa Myrtledale Hot Springs, near Calistoga 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
  UCD36951  Nassella lepida Beecher Crampton 1956-5-25 3481 Napa Howell Mountains, above southwest corner of Wooden Valley. Comment
  CAS-BOT-BC260175  Nassella pulchra Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5331 Napa Pope Creek E of Samuels Springs 91 Comment
  CAS-BOT-BC260176  Nassella pulchra Peter H. Raven 1950-4-15 1727 Napa Monticello Road, Napa Valley, near Napa 243 Comment
  SEINET7073049  Nassella pulchra 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
  UCD87480  Nassella pulchra Beecher Crampton 1962-5-16 6433 Napa 0.5 mile W of Aetna Springs. Comment
  JEPS120369  Navarretia atractyloides Joe Callizo 2005-6-4 4896 b Napa Between en of Pocock Creek Road and Putah Creek/Hunting Creek Confluence. Jericho Valley 7.5' Quad. Comment
  JEPS70270  Navarretia cotulifolia Joseph Andorfer Ewan 1934-4-30 8857 Napa e end Pope Valley Comment
  UC963810  Navarretia cotulifolia H. L. Mason 1933-4-30 7223 Napa n of Aetna Springs (near Napa-Lake county line); Inner North Coast Range Comment
  JEPS120360  Navarretia heterandra Jake Ruygt 2006-5-16 5026 Napa Lower Anderson Creek Canyon near Berryessa Valley. Brooks 7.5' Quad. Comment
  JEPS112537  Navarretia heterodoxa Jake Ruygt 1979-7-3 736 Napa 7.6 miles north of Monticello Rd. on Atlas Peak Rd. 426 Comment
  UCD48411  Navarretia heterodoxa Heidi E. M. Dobson 1978-6-29 346 Napa California, Napa County: East slope of Mt. Veeder. Comment
  JEPS112521  Navarretia jepsonii Jake Ruygt 2002-5-8 4417 Napa Missimer/Snell Valley Wildflower Preserve 179 Comment
  SEINET196216  Navarretia jepsonii K. Brandegee Jun and 26 Jul 1910 148 Napa Near Aetna Springs. Comment
  UCD167188  Navarretia mellita Jake Ruygt 2005-6-1 4879 Napa Knoxville Wildlife Area; spur ridge of Blue Ridge, 1 mile north of Mays Flat. 411 Comment
  UCD36407  Navarretia mellita Beecher Crampton 1953-7-14 1512 Napa Napa County, 5 miles south of Middletown, northeast slope of Mount Saint Helena. Comment
  SEINET4673932  Navarretia paradoxinota David Gowen 2010-6-8 s.n. Napa Snell Valley Road, east of Butts Canyon Road in Snell Wildflower Preserve.; 0 Comment
  CAS-BOT-BC232669  Navarretia pubescens John Thomas Howell 1929-5-30 4267 Napa 4 miles E of Samuel Springs on Pope Valley Creek, Napa Range Comment
  UCD148817  Navarretia pubescens Ellen Dean; Diana Hickson 2014-4-29 8123 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  RSA91872  Navarretia pubescens Beecher Crampton 1953-5-19 1309 Napa Oak woodland area, grassy flat, 4 miles south if Monticello, state Hwy, 128. Comment
  CAS-BOT-BC232736  Navarretia subuligera John Thomas Howell 1940-5-19 15462 Napa Upper St. Helena Creek Comment
  JEPS110944  Navarretia tagetina Jake Ruygt 1983-6-1 1484 Napa HWY 12 at Sonoma County line 91 Comment
  UCD48635  Navarretia tagetina Herbert L. Mason 1934-4-30 8110 Napa Talus soil along road, tributary of Putah Creek, Pope Valley, Napa County, California. Comment
  SEINET10464787  Nemacladus capillaris R. Alava 1957-5-30 Alava 1007 Napa Along road, about 0.5 mile toward Monticello from junction of the road to Monticello and State Highwat 128 Comment
  UCD126385  Nemacladus montanus Beecher Crampton 1954-5-20 1924 Napa State Highway 128, 8 miles southwest Monticello. Comment
  CAS-BOT-BC219371  Nemophila Saichi Kawahara 1968-4-20 342 Napa Chiles-Pope Valley Road, 2 miles south of Pope Valley 259 Comment
  UCD19943  Nemophila heterophylla E. A. Dean; Virginia Boucher 2002-2-28 895 Napa Quail Ridge Reserve. Along West Rd., 0.7 airline miles north of junction of West Rd. and Decker Canyon Trail. 213 Comment
  UCD23402  Nemophila heterophylla Julie Knorr 1977-4-16 4 Napa Small white flowers, many in one spot, about 6 cm tall. Foothill woodland, north facing slope, full shade. 6.4 miles west of Monticello Dam on Highway 128. Comment
  UC606903  Nemophila menziesii L. Constance 1938-3-27 2033 Napa 5 mi e Napa (n slope in Howell Mountains, North Coast Ranges); North Coast Ranges, Howell Mountains, e of Napa 457 Comment
  UCD120214  Nemophila menziesii G. F. Hrusa; S. Larson 1995-4-10 12063 Napa Along Chiles Valley/Pope Valley Rd. approx. 2 m. S of Pope Canyon Rd. intersection. North Coast Biodiversity Arena. 175 Comment
  UC146215  Nemophila menziesii Joseph P. Tracy 1903-5-16 1839 Napa near Calistoga (Napa Valley); Northern Coast Ranges, , near Calistoga 91 Comment
  JEPS110848  Nemophila menziesii var. atomaria Jake Ruygt 1998-4-11 3904 Napa Langtry Road at Napa/Sonoma County line. 579 Comment
  JEPS110845  Nemophila menziesii var. menziesii Jake Ruygt 1994-4-16 3352 Napa North end of Chiles Valley near Chiles- Pope Valley Road. 228 Comment
  RSA633299  Nemophila menziesii var. menziesii Michael A. Vincent, Ethan H. Freid 1998-4-7 8165 Napa Along Rt. 128 at road marker 24/80 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
  UCD67960  Nuttallanthus texanus Arlene Johnston 1974-5-11 90 Napa Napa. Bodega Bay. Stabilized dunes. Coastal Strand Plant Association, dominated by Lupinus arboreus. Sandy soil, on steep slope, dry area in full sun. Annual herb, 5-12 cm high. Rare. 30 Comment
  SEINET12332381  Odontostomum hartwegii A. Liston, Meury, S. 1988-1 755 -1 Napa Bothe - Napa Valley State Park, campground site 21 150 Comment
  UC672086  Odontostomum hartwegii Herbert L. Mason 1934-4-30 8102 Napa w. side near summit Wooden Valley Grade Comment
  UCD166656  Odontostomum hartwegii Jake Ruygt 1980-6-4 912 Napa end of Soda Canyon county road. 426 Comment
  UCD148553  Oenanthe sarmentosa Jake Ruygt 1992-7-22 3110 Napa Napa County, Wooden Valley, south end, on Wild Horse Valley Ranch. 179 Comment
  JEPS110571  Orobanche fasciculata Jake Ruygt 1987-5-16 1993 Napa Devil's Canyon north of falls 579 Comment
  JEPS110572  Orobanche fasciculata Jake Ruygt 1992-5-20 2992 Napa west of Leoma Lakes, Wild Horse Valley Ranch 432 Comment
  UCD13158  Orobanche uniflora Jennifer Kent 1974-4-28 39 Napa Dutch Henry Canyon Rd., 2 miles north of junction with Silverado Trail, about 3 (airline) miles east of Calistoga. 487 Comment
  CAS-BOT-BC243698  Orobanche valida subsp. howellii Alice A. Ackley 1964-8-1 s.n. Napa Mt. St. Helena Comment
  RSA202261  Orthocarpus densiflorus L. D. Thurman 1964-4-15 396 Napa Silverado trail 5 mi N of Napa. Comment
  POM15656  Orthocarpus erianthus C. F. Baker 1903-4-19 2632 Napa Calistoga. Comment
  RSA671053  Orthocarpus faucibarbatus G. Fred Hrusa 1995-4-2 12047 Napa SE corner of Chiles-Pope Valley Rd and Hwy 128 heading up Salt Canyon, upper end of Hennessey Res. 200 Comment
  POM83502  Orthocarpus lithospermoides var. bicolor W. L. Jepson 1920-5-25 9042 Napa Knoxville Ridge, NE Napa Co. Comment
  RSA516486  Orthocarpus lithospermoides var. lithospermoides R. Wilcox 1944-5-9 s.n. Napa Conn Valley, Napa Valley Comment
  UC592162  Osmorhiza berteroi H. L. Mason 1926-3-22 2788 Napa between Calistoga to Petrified Forest Comment
  UC166073  Packera clevelandii J. P. Tracy 1905-7-6 2221 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  JEPS30367  Packera eurycephala Peter H. Raven 1962-5-31 17919 Napa 1.9 mi s Lake County line (on Lower Lake to Knowville road) Comment
  UCD134774  Packera eurycephala K. Esau; E. Hyde 1936-5-14 s.n. Napa Napa Valley. Comment
  UC767457  Packera eurycephala var. eurycephala R. F. Hoover 1941-4-26 4911 Napa below Monticello; Putah Creek Canyon Comment
  UC912545  Packera eurycephala var. eurycephala Herbert L. Mason 1934-4-30 8107 Napa 7 mi above Monticello; Pope Canyon Comment
  CAS-BOT-BC316939  Packera greenei Pierson Durbrow 1925-5-19 s.n. Napa Bucks Canyon, north of Aetna Springs Comment
  CAS-BOT-BC316942  Packera greenei Beecher Crampton 1957-6-4 4098 Napa above Capell Creek, north end of Capell Valley Comment
  JEPS106859  Packera greenei Jake Ruygt 1996-6-1 3734 Napa HWY 128 about 3/4 mile north of Turtle Rock Cafe. 377 Comment
  JEPS122913  Panicum capillare Jake Ruygt 2004-9-21 4668 Napa 1 mile south of Turtle Rock cafe on Highway 128. Quad: Yountville. Comment
  JEPS122962  Panicum dichotomiflorum Jake Ruygt 1992-8-31 3135 Napa Wild Horse Valley Ranch, Leoma Lakes. Quad: Mount George. Comment
  UC765007  Parvisedum pumilum R. F. Hoover 1941-4-27 4945 Napa Hill near Yountville Comment
  CDA10891  Pectocarya pusilla G. F. Hrusa, M. Rejmanek 1993-5-15 10986 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD161333  Pectocarya pusilla Jake Ruygt 1982-4-25 1200 Napa Swartz Canyon near falls. (Coordinates estimated by label maker at UC Davis). 426 Comment
  JEPS68220  Pectocarya pusilla Willis L. Jepson 1893-3-13 21091 Napa Hills near St. Helena Napa River Basin Comment
  UCD74366  Pectocarya pusilla Jake Ruygt 1981-4-18 978 Napa Harris Canyon west of Blue Ridge. 243 Comment
  UCD123329  Pedicularis densiflora H. Popenoe 1949-5-1 18 Napa 1 mile from Pacific Union College, beside road to Pope Valley. Comment
  UCD18029  Pedicularis densiflora Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 574 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  UCD73396  Pedicularis densiflora 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
Read comments Jan 31 2012
  RSA654127  Pedicularis densiflora Beecher Crampton 1953-2-26 989 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  SEINET5737917 Image available Pedicularis densiflora Mark Cary 1971-1 37 Napa State Hwy 128, 18.35 miles east of the Sonoma-Napa County line. Comment
  UCD123323  Pedicularis densiflora David Lawfer 1952-4-20 146 Napa 5 miles northeast of Napa. Comment
  UCD48364  Pellaea andromedifolia M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 13 Napa Quail Ridge UC Reserve, northern tip of peninsula directly beneath power lines on lower road. 274 Comment
  UCD73415  Pellaea andromedifolia Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  CAS-BOT-BC69210  Pellaea andromedifolia Peter H. Raven 1954-1-22 6379 Napa Sulphur Springs Resort, w. of St. Helena 121 Comment
  CAS-BOT-BC71380  Pellaea mucronata Alice Eastwood 1922-5-4 11268 Napa Mt. St. Helena Comment
  RSA602575  Pellaea mucronata L. C. Wheeler 1952-8-30 6882 Napa Manganese Ridge. Moore Creek, Howell Mountain 366 Comment
  UCD160780  Pellaea mucronata Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8660 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
  JEPS129056  Pellaea mucronata var. mucronata Jake Ruygt 2016-12-3 6298 Napa Butts Canyon southwest of Snell Peak. Aetna Springs 7.5' Quad. Comment
  SJSU1365  Penstemon heterophyllus J. W. Tilden 1953-5-24 1037 Napa NE slope Mt St Helena 457 Comment
  UCD124212  Penstemon heterophyllus K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  NY627434  Penstemon newberryi var. sonomensis C. B. Wolf 1928-5-4 1849 Napa Upper slopes of Mt. St. Helena 1066.8 Comment
  CAS-BOT-BC327995  Pentachaeta alsinoides John Thomas Howell 1933-6-4 11386 Napa Hills E of Napa Comment
  UC35617  Pentachaeta exilis Willis L. Jepson 1893-5-8 Napa plateau near La Jota Falls; Napa River Basin Comment
  JEPS120381  Pentachaeta exilis subsp. exilis Jake Ruygt 1998-5-2 3951 Napa Jerd Creek Comment
  JEPS122754  Perideridia gairdneri subsp. gairdneri Jake Ruygt 2005-8-13 4944 Napa Across Highway 29 from Old Bale Mill. Quad: Calistoga. Comment
  UC178642  Perideridia gairdneri subsp. gairdneri K. Brandegee Aug. 1888 Napa Howell Mountain Comment
  UC1312888  Perideridia oregana Lincoln Constance, Tsan-Iang Chuan, and Rimo Bacigalupi 1967-7-6 3783 Napa 2.6 mi nw Lake Hennessey; Conn Valley 121 Comment
  CAS-BOT-BC413488  Persicaria amphibia Peter H. Raven 1952-5-26 4028 Napa Rutherford 53 Comment
  UCD149604  Persicaria lapathifolia 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-BC419151  Persicaria maculosa Peter H. Raven 1951-6-26 3046 Napa Sarco Creek e. of Napa 60 Comment
  UCD99331  Persicaria orientalis Irving Grover 1955-8-1 s.n. Napa location unknown. Comment
  CAS-BOT-BC419301  Persicaria punctata Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  UCD148794  Petrorhagia dubia Ellen Dean; Diana Hickson 2014-4-29 8102 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD47959  Petrorhagia dubia M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 1 Napa McLaughlin UC Reserve. SW of old town of Knoxville on N side of Knoxville-Berryessa Rd. 426 Comment
  UC1278087  Phacelia distans B. Crampton 1955-4-7 2441 Napa 1/2 mi nw Knoxville (ne Napa Co.) Comment
  JEPS110866  Phacelia divaricata Jake Ruygt 1979-4-14 514 Napa Oat Hill Mine Rd. near Twin Peaks 694 Comment
  UCD167993  Phacelia divaricata James A. Neilson Jr. 1977-4-13 3870 Napa Oat Hill Mine Rd., 1/2 mile east Maple Springs. (Exact location unknown, coordinates estimated by label maker.) Comment
  RSA195343  Phacelia divaricata Gilbert Muth 1967-5-17 687 Napa Summit of Oat Hill Road. 671 Comment
  UC1228238  Phacelia egena J. R. Sweeney, H. L. Mason, R. Bacigalupi 1953-6-8 Napa top of grade of rd over e flank of mt Mt. St. Helena (from Calistoga to Middletown) 670 Comment
  UCD81821  Phacelia imbricata Ellen Dean 2009-4-24 5448 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UC1055963  Phacelia imbricata Edw. L. Greene 1891-7-1 Napa near St. Helena Comment
  RSA133981  Phacelia imbricata subsp. imbricata Lincoln Constance, L. R. Heckard 1951-4-15 3371 Napa Silverado Trail, one mile east of St. Helena. Comment
  RSA170286  Phacelia imbricata subsp. imbricata W. L. Jepson 1938-5-18 18797 Napa Howell Mountain, Napa Range. Comment
  JEPS110799  Phacelia tanacetifolia Jake Ruygt 1981-4-18 980 Napa Harris Canyon 365 Comment
  CAS-BOT-BC258829  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa In Napa Valley, near Calistoga 91 Comment
  CAS-BOT-BC265790  Phalaris aquatica T. H. Kearney 1951-6-16 s.n. Napa Along Vichy Road ca. 2 mi. from Napa Comment
  JEPS122961  Phalaris aquatica Jake Ruygt 1982-6-29 1343 Napa 0.6 mile south of Yountville on Highway 29. Quad: Yountaville. Comment
  CAS-BOT-BC250851  Phleum pratense Peter H. Raven 1951-6-26 3048 Napa E. of Napa on Monticello Rd. 60 Comment
  UCD48241  Phoradendron bolleanum A. Miles; E. Anderson, L. Lina, J. Waggoner, and R. Wenk 2000-4-22 13 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  CAS-BOT-BC171138  Phoradendron serotinum subsp. tomentosum Peter H. Raven 1951-8-19 3851 Napa near Lokoya 457 Comment
  UCD149584  Phyla nodiflora 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
  UCD70474  Phyla nodiflora P. J. Plummer 1995-5-29 s.n. Napa Shore of Lake Berryessa, several miles N of Spanish Flats. Perennials, matted on sandy shore. Flowers white and purple. 121 Comment
  JEPS44811  Physocarpus capitatus W. L. Jepson 1895-11-26 13847 Napa La Jota Plateau Howell Mt Comment
  UCD108157  Pickeringia montana Beecher Crampton 1959-11-2 BC- 111 Napa North end of Capell Valley, above Capell Creek. Comment
  UC1197436  Pickeringia montana var. montana Joseph P. Tracy 1899-7-6 398 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  CAS-BOT-BC73326  Pinus attenuata L. R. Abrams 1928-5-4 12273 Napa Near summit Mt. St. Helena. Comment
  SEINET267027  Pinus attenuata Royal D. Suttkus 1967-6-26 67- 30 -4 Napa Clearly Reserves 7.2 mi NW of Pope Valley Comment
  JEPS120326  Pinus coulteri Jake Ruygt 1999-12-30 4219 Napa End of Lommel Road, Calistoga. Calistoga 7.5' Quad. Comment
Read comments Jul 25 2018
  UC235  Pinus lambertiana unknown Napa Mt. St. Helena Comment
  JEPS48193  Pinus ponderosa Willis L. Jepson 1901-8-6 1733 Napa Hourell Mt. Napa River Basin, Hourell Mt. Comment
  UC429322  Piperia unalascensis H. P. Chandler 1907-5-4 7555 Napa White Sulphur Springs St. Helena 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
  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
  UCD37571  Plagiobothrys canescens Beecher Crampton 1955-4-7 2437 Napa Napa County, 7.8 miles north of Monticello. Comment
  UCD74378  Plagiobothrys canescens Jake Ruygt 1982-4-7 1171 Napa Suscol ridge west of Hwy. 221. 24 Comment
  JEPS106768  Plagiobothrys greenei Jake Ruygt 1986-4-5 1683 Napa Suscol ridge east of HWY 221 231 Comment
  JEPS106765  Plagiobothrys nothofulvus Jake Ruygt 1990-4-1 2456 Napa White Creek, Wild Horse Valley Ranch 371 Comment
  SBBG115362  Plagiobothrys nothofulvus B. Crampton 1962-5-16 6426 Napa 1 mi E of Aetna Springs Comment
  UC650503  Plagiobothrys nothofulvus Ira L. Wiggins 1928-3-24 2865 Napa above Calistoga (grade onold road to Lake Co.) Comment
  JEPS68095  Plagiobothrys nothofulvus W. L. Jepson 1900-3-10 532 Napa hills e St. Helena Comment
  UC1301088  Plagiobothrys nothofulvus Helen K. Sharsmith 1963-4-20 5345 Napa on Monticello Road San Francisco Bay Region, Napa Range (sw slope of range) 152 Comment
  UCD161690  Plagiobothrys nothofulvus Jake Ruygt 2010-3-9 5482 Napa Lovell Valley Loop Road about 0.5 mile south of Napa / Sonoma line. 185 Comment
  SEINET12275936  Plagiobothrys scriptus P. H. Raven 1957-1 10741 Napa near the hot springs at the airport, Calistoga Comment
  UCR140420  Plagiobothrys stipitatus var. stipitatus Beecher Crampton 1955-4-7 2447 Napa Inner North Coast Ranges, 21.5 miles north of Monticello, 0.5 mile northwest of Knoxville 488 Comment
  CAS-BOT-BC228492  Plagiobothrys strictus Peter H. Raven 1950-5-6 2024 Napa Near Old Faithful Geyser N of Calistoga 182 Comment
  UC882379  Plagiobothrys strictus Milo S. Baker 1931-4-3 5142 Napa Calistoga Geyser Comment
  RSA0008558  Plagiobothrys strictus Joseph P. Tracy 1857 Napa Calistoga Hot Springs. 91 Comment
  JEPS68134  Plagiobothrys tenellus W. L. Jepson 1900-3-9 509 Napa Howell Mt. Comment
  UC1239617  Plagiobothrys tenellus J. P. Tracy 1902-5-20 1562 Napa near Angwin Creek crossing; Howell Mountain 457 Comment
  UC55911  Plagiobothrys tenellus J. P. Tracy 1902-5-18 1539 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 518 Comment
  POM252890  Plagiobothrys tener var. subglaber B. O. Schreiber 1938-4-24 2499 Napa 0.5 mile NW of Knoxville. 610 Comment
  UCD167240  Plantago coronopus Jake Ruygt 1980-6-1 910 Napa Milton Road across from Maury's Yauhts. 0 Comment
  UC1301166  Plantago erecta Helen K. Sharsmith 1963-3-17 5209 Napa s side Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD148811  Plantago erecta Ellen Dean; Diana Hickson 2014-4-29 8118 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD18154  Plantago erecta Jean Shepard; with Plant Biology 102 class 2000-4-29 192 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
  UCD48070  Plantago erecta Michele Disney; J. Westbrook, S. Ratay, R. Wolfson, A. Houser,S. Wathen 2000-4-22 14 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  UCD81817  Plantago erecta Ellen Dean 2009-4-24 5444 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UC585983  Plantago erecta Joseph P. Tracy 1935-3-19 13765 Napa 4 mi nw Calistoga (Knight's Valley road); Northern Coast Ranges 213 Comment
  UCD167241  Plantago erecta Jake Ruygt 1979-4-23 548 Napa 3.7 miles northeast of middle Road on Pope Canyon Road. 188 Comment
  SFV8386  Platystemon californicus J. F. Addicott 1965-3-19 3 Napa Along Dollarhide Road, about 3.5 miles east of Pope Valley. 183 Comment
  UCR12060  Platystemon californicus Coleta A. Lawler 1964-3-24 09 Napa Buhman Avenue, 0.2 mi north of junction with Henry Road 8 Comment
  UC186875  Platystemon californicus C. F. Sonne April 1895 Napa Napa Junction Comment
  POM182730  Platystemon californicus var. californicus D. D. Keck 1931-4-2 1056 Napa Monticello Comment
  JEPS4816  Plectritis brachystemon Miss R. Kuhn 1912-5-28 Napa Oakville Comment
  UCD17992  Plectritis ciliosa Ellen Dean; with Plant Biology 102 class 2001-4-14 718 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along South Decker Canyon Rd., just down slope from jct. with Decker Ridge Rd. 335 Comment
  UCD14929  Plectritis ciliosa Gail Matson 1977-4-16 21 Napa 6.4 miles southwest of Monticello Dam along Highway 128; 213 Comment
  JEPS6144  Plectritis ciliosa subsp. ciliosa Bacigalupi and Dempster 1954-5-10 4445 Napa road from Monticello to Rutherford (Highway 128, Canyon of Soda Creek); Soda Creek Comment
  JEPS5148  Plectritis ciliosa subsp. ciliosa W. L. Jepson 1893-4-28 Napa ne of Napa City (Franchos Creek); Napa Range, Franchos Creek Comment
  JEPS6143  Plectritis macrocera Bacigalupi and Dempster 1954-5-10 4446 Napa Highway 128 between Chiles Valley and Monticello Valley; Highway 128 Comment
  JEPS110897  Plectritis macrocera Jake Ruygt 1999-5-1 4142 Napa Gunn ranch, E side of Lake Berryessa 146 Comment
  UC767873  Pleuropogon californicus var. californicus R. F. Hoover 1941-4-26 4923 Napa Pope Valley Comment
  UCD90143  Pleuropogon californicus var. californicus Beecher Crampton 1962-5-8 6417 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD90210  Pleuropogon californicus var. californicus Beecher Crampton 1955-4-4 2392 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  CAS-BOT-BC246684  Poa howellii Peter H. Raven 1951-6-10 2905 Napa E. of Toll House, Mt. St. Helena 792 Comment
  CDA10844  Poa kelloggii G. F. Hrusa, G. L. Stebbins 1994-4-18 11781 A Napa North Coast Biodiversity Arena; Pope Valley. Along upper Swartz Creek N tributary (James Cr.). 213 Comment
  UC1112207  Poa napensis Peter H. Raven 1957-5-5 10737 Napa field near hot springs at airport Calistoga Comment
  JEPS122926  Poa pratensis subsp. pratensis Jake Ruygt 1990-5-6 2531 b Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Quad: Yountville. Comment
  UCD92438  Poa secunda subsp. juncifolia W. E. Wood 1928-4-15 s.n. Napa Blake Estate, Pacific Union College, St. Helena. Comment
  CAS-BOT-BC242900  Poa secunda subsp. secunda Carl B. Wolf 1928-5-3 1814 Napa 2 miles S of Hawkins Mount Inn Camp Comment
  UCD18147  Poa secunda subsp. secunda Jean Shepard; with PLB 102 class 2000-4-29 202 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD36942  Poa secunda subsp. secunda Beecher Crampton 1956-5-25 3463 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD90839  Poa secunda subsp. secunda Beecher Crampton 1965-5-13 7333 Napa 11 miles E of Rutherford, State Hwy. 128. Comment
  JEPS110822  Pogogyne douglasii Jake Ruygt 1982-6-13 1320 Napa Pope Canyon Rd. near large vernal marsh 187 Comment
  UC883696  Pogogyne douglasii Alice Eastwood 1915-6-5 4626 Napa Calistoga Comment
  UCD77928  Pogogyne douglasii Robert E. Preston 2002-6-17 1821 Napa Pope Valley, along Pope Canyon Rd, 0.5 mi N of its jct with Pope Valley Cross Rd. 187 Comment
  UC25589  Pogogyne douglasii W. H. Brewer 1861-11-4 855 Napa Napa Valley Comment
  JEPS110820  Pogogyne serpylloides Jake Ruygt 1994-5-17 3377 Napa Bennett Lane, Butts Canyon Road; Juliana Vineyards 252 Comment
  RSA10666  Polygala californica Carl B. Wolf 1928-5-3 1823 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA195299  Polygala californica Gilbert Muth 1967-5-17 678 Napa Oat Hill Road, Calistoga 244 Comment
  UCD170188  Polygala californica Daniel Potter; Ninh Khuu, Travis Parker, Coralie Donkers 2015-3-26 769 Napa east of Knoxville Devilhead Road, west of Knoxville Wildlife Area. 563 Comment
  UCR30826  Polygala californica John C. Roos 1939-4-18 313 Napa North Coast Range, Pacific Union College; Angwin 549 Comment
  JEPS51315  Polygonum aviculare subsp. aviculare W. L. Jepson 1893-6-26 Napa Howell Mt. Napa Range Comment
  UC1562686  Polygonum aviculare subsp. depressum Barbara Ertter with Elizabeth Neese 1988-10-2 7971 Napa ca 15 air mi nnw Napa (e of boat-launching ramp on se edge); North Coast Ranges, Conn Creek, Lake Hennessey 91 Comment
  CAS-BOT-BC414388  Polygonum californicum W. H. Brewer 1861-11-4 856 Napa Napa Valley, east of Camp 64 609 Comment
  JEPS50597  Polygonum californicum W. L. Jepson Sept. 1893 14799 Napa Napa Valley Comment
  CHSC102529  Polygonum lapathifolium Lowell Ahart 2009-10-27 16491 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS50621  Polygonum lapathifolium W. L. Jepson 1892-10-22 Napa Napa River; bed Comment
  JEPS50624  Polygonum lapathifolium Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin, Howell Mountain Comment
  CAS-BOT-BC419831  Polygonum parryi John Thomas Howell 1940-5-19 15466 Napa Upper St. Helena Creek Comment
  CDA29742  Polygonum punctatum M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 210 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  UCR71486  Polygonum punctatum Barbara Ertter, Elizabeth Neese 1988-10-2 7953 Napa North Coast Ranges, Lake Hennessey, c. 15 air mi NNW of Napa, on Conn Creek 92 Comment
  CDA15453  Polygonum ramosissimum J. Glazner 1998-7-2 s.n. Napa San Francisco Bay Area; Napa River near mouth of Suscol Creek, ~1.5 mi. NW of Hwy 29/12 intersection. Comment
  CAS-BOT-BC71953  Polypodium californicum Rimo Bacigalupi 1924-2-22 s.n. Napa near toll house Mt. St. Helena Comment
  JEPS116556  Polypodium calirhiza Jake Ruygt 2000-4-3 4229 Napa Henry Road, Henry Ranch, Carneros Valley. Napa 7.5' Quad. Comment
  UCD121196  Polypodium calirhiza Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7367 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and 4H camp. 526 Comment
  CAS-BOT-BC72055  Polypodium calirhiza Peter H. Raven 1957-5-5 10770 Napa hills at western end of Calistoga 182 Comment
  UCD83864  Polypodium glycyrrhiza Ellen Dean; Stephen Rae 2010-3-15 5822 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 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
  JEPS100823  Polypogon interruptus Dean W. Taylor 2000-6-29 17471 Napa Zim Zim Creek, along the creek about 2.5 miles up from confluence of Eticuera Creek and Berryessa-Knoxville Road 259 Comment
  SBBG128694  Polypogon interruptus L. Ahart 2009-10-12 16466 Napa below 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
  CAS-BOT-BC72149  Polystichum californicum Rimo Bacigalupi 1924-2-22 s.n. Napa Toll house Rd. below Mt. St. Helena Comment
  UC1242055  Polystichum californicum Don Branscomb 1959-2-2 Napa between Calistoga and Napa (Mill Creek Canyon); Mill Creek Canyon Comment
  UCD164807  Populus trichocarpa Jake Ruygt 1998-6-13 4021 Napa Milliken Creek south of Foss Valley. 405 Comment
  UCD116990  Prosartes hookeri Jillian Howard; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. 0.25 road miles on dirt road that starts north of fire station. South side of road. 520 Comment
  CAS-BOT-BC508642  Prosartes hookeri Peter H. Raven 1950-4-15 1744 Napa Wooden Valley Grade above Napa 457 Comment
  UCD20031  Prosartes hookeri C. H. Lamoureux; J. M. Tucker, R. Gankin 1957-4-17 1207 Napa Junction of Glass Mountain Road and Silverado Trail. Comment
  CAS-BOT-BC154918  Prunus ilicifolia Peter H. Raven 1953-3-29 52134 Napa Hills e. of Imola 121 Comment
  JEPS44963  Prunus subcordata W. L. Jepson 1917-8-16 7434 Napa Howell Mountain 182 Comment
  UC467871  Prunus subcordata H. P. Chandler 1907-4-21 7532 Napa Road from Glen Ellen to Oakville (side of Summit) Comment
  POM139938  Prunus virginiana var. demissa Alice Eastwood 1922-5-5 11295 Napa Mount St. Helena. Comment
  UC1128467  Prunus virginiana var. demissa B. Schreiber 1936-5-3 2205 Napa .3 mi wsw of Petrified Forest 274 Comment
Read comments Jun 12 2012
  UC608410  Prunus virginiana var. demissa Beryl O. Schreiber 1936-3-5 2205 Napa 0.3 mi WSW of Petrified Forest Comment
  JEPS20433  Pseudognaphalium beneolens W. L. Jepson 1938-10-1 19046 Napa Mt. St. Helena Comment
  JEPS106916  Pseudognaphalium biolettii Jake Ruygt 1988-7-19 3516 Napa Skyline Park, Sugarloaf trail. 420 Comment
  UCD19930  Pseudognaphalium luteoalbum E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 787 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  JEPS84600  Pseudognaphalium luteoalbum John W. Willoughby 1979-5-25 4298 Napa 1 mi s Signal Hill (below stock pond); Vaca Mountains, Pansy Flats 609 Comment
  UC32002  Pseudognaphalium microcephalum W. L. Jepson 1892-7-1 Napa Knoxville Comment
  CAS-BOT-BC357566  Pseudognaphalium stramineum Peter H. Raven 1953-10-4 6368 Napa Duttons Landing 0 Comment
  UCD161745  Pseudognaphalium stramineum Jake Ruygt 1994-3-29 3343 Napa Jameson Canyon, east of Highway 29 and north of Highway 12. 213 Comment
  UCD73461  Pseudognaphalium thermale Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  POM21753  Pseudotsuga menziesii D. O. Hunt 1899-2-26 s.n. Napa Glass Mountain, St. Helena. Comment
  JEPS106884  Psilocarphus brevissimus var. brevissimus Jake Ruygt 1983-5-13 1461 Napa Suscol ridge east of HWY 29(221) 27 Comment
  UCD161254  Psilocarphus brevissimus var. brevissimus Jake Ruygt 1982-5-12 1238 -a Napa Suscol Plain east of Kaiser Steel. (Coordinates estimated by label maker at UC Davis). 4 Comment
  UCD63153  Psilocarphus brevissimus var. brevissimus Jake Ruygt 2005-6-7 4906 Napa Ridge top west of Circle Oaks. 588 Comment
  CAS-BOT-BC361892  Psilocarphus tenellus John H. Thomas 1958-4-19 7117 Napa About 2 miles SW of Oakville 152 Comment
  CDA10857  Psilocarphus tenellus G. F. Hrusa, M. Rejmanek 1993-5-15 10952 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD63154  Psilocarphus tenellus var. tenellus Jake Ruygt 1991-5-6 2649 Napa Wantrup Preserve, Pope Valley. 195 Comment
  UC1300944  Pterostegia drymarioides Helen K. Sharsmith 1963-4-20 5348 Napa s.w. slope on Monticello Rd. Napa Range; San Francisco Bay Region, Napa Range 152 Comment
  UCR141075  Puccinellia simplex Beecher Crampton 1955-3-15 2327 Napa North Coast Range, 2 miles north of Calistoga, near Myrtledale Hot Springs 107 Comment
  UC1197567  Pyrola picta J. P. Tracy 1899-6-14 341 Napa 3-4 mi e of Angwins (Head of Moore's Creek, Howell Mountain); Howell Mountain, Head of Moore's Creek 518 Comment
  UCD167071  Pyrola picta Jake Ruygt 2007-5-19 5185 Napa Las Posadas State Forest, south of fire station. 548 Comment
  UCD39141  Pyrrocoma racemosa Beecher Crampton 1964-8-18 7154 Napa 2 miles north of Calistoga, Myrtledale Hot Springs area, Tubbs Lane. Comment
  UC1199437  Pyrrocoma racemosa var. racemosa Joseph P. Tracy 1939-10-14 16508 Napa Myrtledale Hot Springs Calistoga 121 Comment
  UC221331  Pyrrocoma racemosa var. racemosa H. M. Hall 1923-10-15 11949 Napa Calistoga, by the spring Calistoga Comment
  CDA11153  Quercus X chasei G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11564 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa, above Sarco Creek. Comment
  LA26108  Quercus X chasei J. M. Tucker; 1954-9-23 2757 Napa beside Hwy 37, 6.5 miles (by road) S of junction with Hwy 28 Comment
  UCD21499  Quercus X morehus Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4401 Napa Quail Ridge Reserve. 274 Comment
  UCR23941  Quercus X morehus John C. Roos 1939-4-16 281 Napa North Coast Range, Pacific Union College, Angwin, [Pope Valley] 240 Comment
  CAS-BOT-BC61807  Quercus agrifolia M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 miles N.E. Cliff Spring Comment
  CAS-BOT-BC61808  Quercus agrifolia John Thomas Howell 1930-10-19 5617 Napa Canyon bottom, 3 miles from Aetna Springs on Butts canyon road to Middletown Comment
  CLARK-A1528-2916  Quercus agrifolia John C. Roos 1939-4-16 283 Napa Angwin Comment
  JEPS84698  Quercus agrifolia John W. Willoughby 1976-5-18 1684 Napa w side Blue Ridge (not far below the top, latitude about that of Mount Vaca); Vaca Mountains 762 Comment
  SD125384  Quercus agrifolia William C. Overton 1980-7-13 Napa Along south bank of Eticuera Creek, 1.5 miles north of Lake Berryessa. 177 Comment
  UCD45339  Quercus agrifolia J. M. Tucker 1954-9-23 2757 Napa Beside Highway 37, 6.5 miles (by road) south of junction with Highway 28, in Napa County, California. Comment
  JEPS116524  Quercus agrifolia var. agrifolia Jake Ruygt 1979-4-10 496 Napa Silverado Trail and Trancas Avenue. 7.5' Napa Quad. Comment
  CAS-BOT-BC532605  Quercus berberidifolia G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs Comment
  UCD14676  Quercus berberidifolia John M. Tucker; and G. L. Stebbins 1950-11-5 2004 Napa California, Napa Co.; 11.5 mi. northwest of Monticello, beside road to Pope Valley; Comment
  UCD14835  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -8 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD45211  Quercus berberidifolia Thomas Morley 1941-5-11 126 Napa On west bank of Putah Creek immediately above junction with Butts Creek, Napa County. Comment
  JEPS2952 Image available Quercus chrysolepis W. L. Jepson 1893-5-4 Napa summit Mt. St. Helena; Napa River Basin; Mt. St. Helena, Napa River Basin Comment
  JEPS84696  Quercus chrysolepis John W. Willoughby 1976-4-12 1378 Napa w side Blue Ridge (near Mount Vaca); Vaca Mountains 792 Comment
  SEINET12034303  Quercus chrysolepis Unknown 1942-1 s.n. Napa Calistoqo Comment
  CDA21879  Quercus douglasii H. Stabo 1968-10-21 Napa 0 Comment
  UC993148  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  UCD121176  Quercus douglasii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7356 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 416 Comment
  UCD148822  Quercus douglasii Ellen Dean; Diana Hickson 2014-4-29 8127 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD37729  Quercus douglasii Beecher Crampton 1961-9-19 5977 Napa Napa County, 3 miles east of Moskowite Corner, along State Highway 128, divide between Wragg Canyon and Capell Valley. Comment
  UCD45639  Quercus douglasii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCD45676  Quercus douglasii Frank W. Gould 1939-4-6 600 Napa Eleven miles east of Napa. Comment
  UCD45747  Quercus douglasii John M. Tucker; G. L. Stebbins 1950-11-5 2008 16 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; growing with both parental species. Comment
  UCD83395  Quercus douglasii Jake Ruygt 1990-4-7 2461 b Napa Lake Hinman, W of Veterans' Home. 134 Comment
  CAS-BOT-BC86436  Quercus dumosa Peter H. Raven 1951-6-26 3058 Napa Wooden Valley Grade 304 Comment
  CAS-BOT-BC79832  Quercus durata John Thomas Howell 1933-8-27 11642 Napa Sage Canyon, Napa range Comment
  CAS-BOT-BC79834  Quercus durata John Thomas Howell 1930-10-19 5615 Napa Rocky Canyon 3 mi from Aetna Springs on Butts Canyon road to Middletwon Comment
  CAS-BOT-BC79841  Quercus durata Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena Comment
  CDA11971  Quercus durata G. F. Hrusa, M. Hooper 1995-9-12 12463 Napa North Coast Biodiversity Arena; Margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam. Comment
  JEPS37339  Quercus durata Willis L. Jepson 1892-7 Napa near Knoxville; Mountain Region of Clear Lake Comment
  RSA8544  Quercus durata J. T. Howell 1933-8-27 11642 Napa Sage Canyon, Napa Range. 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
  UCD14805  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2006 -6 Napa California, Napa Co.; beside road up Howell Mountain, ca. 6 mi. north of St. Helena; Comment
  UCD14842  Quercus durata John M. Tucker 1950-11-12 2014 -20 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD40324  Quercus durata Rodney Gale Myatt 1971-6-27 769 Napa Ink Grade Road near the town of Angwin, and northeast of St. Helena. 487 Comment
  UCD45889  Quercus durata Beecher Crampton 1962-10-9 6704 Napa 7 miles north of Conn Reservoir (Lake Hennessy), Pope Valley Road. Comment
  UCD45934  Quercus durata D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Mac Laughlin UC Natural Reserve. 680 Comment
  SEINET12029319  Quercus durata W. Knight, Knight, I. 1982-1 4553 Napa 0.5 mi W of Spanish Flat on the road to Conn Reservoir Comment
  UCD45897  Quercus durata var. durata J. M. Tucker 1953-10-25 2690 Napa Beside Highway 28, 1.0 mile west of junction of highways 28 and 37, ca. 30 feet from edge of road, on lower side, Capell Canyon, Napa County, California. Comment
  UCD45911  Quercus durata var. durata Barbara Rice 1965-9-27 1 Napa Knoxville Road, 1 mile northeast of junction with State Highway 128, Napa County, California. Comment
  UCD45929  Quercus durata var. durata Thomas Morley 1941-5-11 130 A Napa On north bank of Butts Creek 1/4 mile west of its junction with Putah Creek, Napa County. Elevation 480 feet. 146 Comment
  JEPS116535  Quercus garryana Jake Ruygt 1984-3-28 1510 Napa West of end of Whitehall Lane. Rutherford 7.5' Quad. Comment
  JEPS126031  Quercus garryana Jake Ruygt 1992-9-24 3157 Napa Dry Creek Road west of Oakville Grade; near Bumpy Camp. Rutherford 7.5' Quad. Comment
  RSA151  Quercus garryana var. garryana J. T. Howell 1927-8-23 684 Napa Chiles Valley, Napa Range. 213 Comment
  UCD14548  Quercus garryana var. garryana John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -10 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; Comment
  UCD46068  Quercus garryana var. garryana J. M. Tucker 1954-9-23 2758 Napa 7.5 miles west of Oakville (Napa County), just about on Napa-Sonoma County line, California. Comment
  UCD46100  Quercus garryana var. garryana J. M. Tucker 1952-4-22 2356 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
  CDA29134  Quercus kelloggii D. G. Kelch, Daniel Weinstein 2009-6-21 9 .445 Napa Near Skyline Park. Comment
  UC1135676  Quercus kelloggii A. Lewis 1932-5-24 109 Napa 1 mi W of head of Wragg 457 Comment
  UCD37947  Quercus kelloggii Beecher Crampton 1962-5-16 6430 Napa 0.5 mile W of Aetna Springs. Comment
  UCD46687  Quercus kelloggii Willis L. Jepson 1901-11-17 1752 Napa St. Helena, Napa River Basin. Comment
  UCSB19168  Quercus kelloggii Rankine, Jane 1965-4-13 Napa 3 miles west of Pope Valley on the road between Pope Valley and Anqwin Comment
  CAS-BOT-BC62883  Quercus lobata H. E. McMinn 1922-6-8 205 Napa Pope Creek Canyon Comment
  JEPS37469  Quercus lobata Willis L. Jepson 1901-11-17 1751 Napa St. Helena Napa River Basin Comment
  UCD49048  Quercus lobata Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 23 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd., W side of creek. 167 Comment
  CAS-BOT-BC104839  Quercus wislizeni G. F. Ferris 1920-10-1 s.n. Napa Napa Comment
  CAS-BOT-BC104982  Quercus wislizeni Alice Eastwood 1918-5-1 6866 Napa Mt. St. Helena Comment
  UCD73447  Quercus wislizeni 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
  JEPS55059  Ranunculus aquatilis var. capillaceus Willis L. Jepson 1893-4-27 Napa Oak Knoll Napa River Basin Comment
  CAS-BOT-BC378487  Ranunculus californicus var. californicus David D. Keck 1931-4-2 1009 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 Comment
  JEPS110875  Ranunculus hebecarpus Jake Ruygt 1986-3-29 1672 a Napa Toll Canyon 210 Comment
  CLARK-A1528-3878  Ranunculus hebecarpus John C. Roos 1939-4-1 264 Napa Comment
  POM182737  Ranunculus hebecarpus D. D. Keck 1931-4-2 1048 Napa 4 miles S of Monticello, eastern Napa County. Comment
  POM263498  Ranunculus hebecarpus J. C. Roos 1939-4-1 264 Napa St. Helena Sanitarium, near St. Helena Comment
  UCD118564  Ranunculus muricatus Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. NE of fire station on south side of undeveloped road, growing at the bottom of dry ditch. 519 Comment
  UCD96246  Ranunculus muricatus James A. Neilson Jr. 1975-4-13 3160 Napa Soda Canyon Road. Comment
  UCSB2073  Ranunculus occidentalis Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Hill on west side of Capell Valley, 3.2 miles west of junction of the road with California Highway #37 213 Comment
  POM268844  Ranunculus occidentalis var. eisenii L. R. Abrams 1928-5-3 12253 Napa Summit St. Helena Grade Comment
  POM268381  Ranunculus occidentalis var. eisenii Lyman Benson 1931-2-26 2600 Napa N of Calistoga, Mayacamas Mt. Napa watershed. 549 Comment
  JEPS110878  Ranunculus orthorhynchus Jake Ruygt 1992-3-25 2861 Napa south end of Wooden Valley, Wild Horse Valley Ranch 179 Comment
  JEPS110992  Ranunculus orthorhynchus Jake Ruygt 1982-2-16 1100 Napa .3 mile north of Chimney Rock Golf Course on Silverado T 20 Comment
  JEPS110991  Ranunculus pusillus Jake Ruygt 1992-5-3 2925 Napa Skyline Park, Napa 143 Comment
  OBI14977  Raphanus raphanistrum R. L. Hoover 1968-4-20 54 Napa .25 mi from Pope Valley jctn, E on Chiles & Pope Valley Rd, in field E of service station Comment
  UCD160035  Raphanus raphanistrum Steve Wathan 2015-3-10 2015- 1 Napa McLaughlin UC Reserve. Knoxville Mine site, ca. 7 miles south of McLaughlin Field Station. 396 Comment
  CAS-BOT-BC362892  Rhagadiolus stellatus Alice Ackley; Marie Taylor 1978-3-28 s.n. Napa Triniti Road Comment
  OBI5246  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G.A. Wilson ranch, Dry Crk Rd, 2mi W of Yountville Comment
  JEPS42003  Rhamnus crocea W. L. Jepson 1915-12-5 6587 Napa Adam-and-Eve Ridge Howell Mt. Comment
  RSA133654  Rhamnus crocea John H. Thomas 1955-5-21 5110 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 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
  UC1197982  Rhamnus tomentella subsp. tomentella Joseph P. Tracy 1899-6-19 388 Napa 3-4 mi e Angwin's (on hills at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  HSC41173  Rhododendron occidentale Robert M. Specht 1976-5-15 458 Napa .3 mi. S of Napa-Lake Counties border on Hwy. 29 at Rattlesnake Spring Comment
  JEPS106403  Rhododendron occidentale Jake Ruygt 1987-5-16 1992 Napa Bismark Knob 579 Comment
  UCD117985  Rhododendron occidentale D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. 240 Comment
  UCD20703  Rhododendron occidentale A. T. Leiser 1984-10-27 RLS 1 Napa Robert Louis Stevenson State Park (Hwy 29 N. from Calistoga) along creek from trailhead to point where trail diverges west from creek bed. In or within 10 ft. of creek bed on SE facing slope. Comment
  UCD20765  Rhododendron occidentale M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 115 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. Along Hunting Creek 100 yards upstream of junction with Sensitive Plant Canyon. 624 Comment
  CAS-BOT-BC200647  Rhus aromatica John Thomas Howell 1929-5-30 4266 Napa Bank of Pope Valley Creek, 4 miles east of Samuels Springs, Napa Range Comment
  CHSC21426  Rhus aromatica Robert A. Schlising; Botany 222 1962-5-4 2227 Napa 1.5 mi S Lake Co line on Butts Canyon Rd. Comment
  CAS-BOT-BC433100  Ribes John H. Thomas 1955-5-21 5098 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  UCR30481  Ribes divaricatum John C. Roos 1939-4-1 312 Napa W of Calistoga Comment
  UCD19944  Ribes malvaceum E. A. Dean; Virginia Boucher 2002-2-28 905 Napa Quail Ridge Reserve. Along upper trail, going N of stock pond at ridge top; going towards power lines, 0.1 airline miles S of powerlines, just upslope where lower and upper trails meet. 286 Comment
  RSA0021658  Ribes malvaceum D. D. Keck 1931-4-2 1025 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  CAS-BOT-BC205998  Ribes menziesii Elsa G. Ruckert 1960-3-13 24 Napa Private road behind east of house, 6495 Dry Creek Road 365 Comment
  UC11625  Ribes roezlii var. cruentum Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  RSA0024606  Ribes roezlii var. cruentum W. L. Jepson 1893-4-25 13524 Napa Trail to Caux s Cabin, mountains W of St. Helena. Napa River basin. Comment
  CAS-BOT-BC168759  Ribes victoris Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5329 Napa Soda Creek, e. of chiles Valley 137 Comment
  JEPS49309  Ribes victoris Alice King July, 1919 Napa Napa Range, Mount St. Helena, Van Ness Ranch Mount St. Helena; Napa Range, , Van Ness Ranch Comment
  UC1182093  Ribes victoris var. minus C. R. Quick and Alice Quick 1935-3-10 170 Napa canyon just w Rutherford Canyon; Napa Valley 304 Comment
  CAS-BOT-BC363047  Rigiopappus leptocladus John Thomas Howell 1931-4-3 6130 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  JEPS106864  Rigiopappus leptocladus Jake Ruygt 1986-4-26 1731 Napa east of Wragg Canyon resort, Blue Ridge 304 Comment
  UCD148814  Rigiopappus leptocladus Ellen Dean; Diana Hickson 2014-4-29 8120 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  POM203205  Rigiopappus leptocladus J. T. Howell 1931-4-3 6130 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range. Comment
  CAS-BOT-BC74597  Rorippa curvisiliqua Peter H. Raven 1952-6-28 4199 Napa Hennessey Lake. 121 Comment
  UCD148771  Rorippa palustris subsp. palustris Jake Ruygt 2004-4-3 4578 Napa Napa County; east of Knoxville Creek on ridge bordering Foley Creek. 414 Comment
  CAS-BOT-BC147534  Rosa californica Alice Eastwood 1915-6-5 4645 Napa Calistoga Comment
  UC12905  Rosa gymnocarpa Willis L. Jepson 1894-4-30 Napa w Calistoga; Napa River Basin, Rebecca Ranch grade Comment
  SEINET7665491  Rosa gymnocarpa H. P. Chandler 1906-1 7112 Napa Alta Loma Ranch, Howell Mountain. 488 Comment
  UCD17677  Rubus H. Olmo; T. S. Mallah 1953-4-3 53 34 Napa California. Napa County: 0.5 miles south of Redwood Lodge along Highway 128. Near Rt. 1B X 234. Comment
  JEPS110650  Rubus discolor Jake Ruygt 1987-7-11 2066 Napa .2 mile west of Mt. Millhouse Camp on HWY 29 487 Comment
  CAS-BOT-BC156914  Rubus ursinus Peter H. Raven 1950-4-15 1733 Napa Wooden Valley Grade above Napa 274 Comment
  JEPS110651  Rubus ursinus Jake Ruygt 1979-4-17 521 Napa Napa River at Oak Knoll Ave. 15 Comment
  UCD118112  Rumex acetosella Megan Mateo; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. Ca. 0.1 mile from fire station along undeveloped road, on north side of road. 518 Comment
  CHSC102260  Rumex dentatus Lowell Ahart 2009-10-27 16492 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  SBBG128000  Rumex dentatus L. Ahart 2009-10-27 16492 Napa below the high water line of Lake Berryessa, ca. 50 yards SE of Eticuera Crk, ca. 150 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
  CHSC102269  Rumex fueginus Lowell Ahart 2009-10-12 16428 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CHSC102281  Rumex fueginus Lowell Ahart 2009-10-27 16493 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS110753  Rumex salicifolius var. salicifolius Jake Ruygt 1996-5-4 3653 Napa Butts Canyon Road at James Creek Road; SE field. 205 Comment
  JEPS65647  Rupertia physodes W. L. Jepson 1913-4-15 5306 Napa Howell Mt. 609 Comment
  UCD108442  Rupertia physodes Collector unknown 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  SBBG3780  Rupertia physodes H. and M. Dearing 1939-4-30 3230 Napa White Sulphur Springs Rd, St Helena Comment
  UCD108459  Rupertia physodes Tofsrud 1948-1 s.n. Napa location unknown. Comment
  UC1103529  Sagina decumbens subsp. occidentalis Joseph P. Tracy 1902-5-16 1503 Napa 3 - 4 mi. e. Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt., Moore's Creek 365 Comment
  CAS-BOT-BC103227  Salix bonplandiana Peter H. Raven 1952-9-14 5177 Napa Conn Creek e. of Yountville 91 Comment
  CAS-BOT-BC108662  Salix breweri Peter H. Raven 1951-5-26 s.n. Napa Butts Canyon [Canon] Creek Comment
  CHSC108725  Salix breweri B. Castro; L. P. Janeway 2002-5-12 1369 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
  SD958  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butt Canyon, between Pope Springs and Aetna Valley, glade on wooded hillside 299 Comment
  SJSU186  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butt Canyon between Pope Springs & Aetna Valley 335 Comment
  SEINET11993504  Salix breweri F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -320 Napa along Butts Canyon Road near junction with Snell Valley Road, along Butts Creek 250 Comment
  UC634548  Salix exigua var. hindsiana H. L. Mason 1926-3-14 2719 Napa along stream in grove Mt. St. Helena Comment
  UCD164793  Salix exigua var. hindsiana Jake Ruygt 1979-3-13 452 Napa Trefethen Vineyards at Dry Creek. 22 Comment
  CAS-BOT-BC108195  Salix hindsiana Bracelin; Ball; Parks 1931-4-21 33 Napa On main highway in roadside ditch, about 2 km. W. of Calistoga. Comment
  CAS-BOT-BC108196  Salix hindsiana Bracelin; Ball; Parks 1931-4-21 33 Napa About 2 km. W. of Calistoga, on main highway in roadside ditch. 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
  UC1356330  Salix laevigata Theodore J. Crovello 1964-4-15 429 Napa along State Hwy. 128 200 yards w.of junction with Silverado Trail Comment
  UC5024  Salix laevigata Willis L. Jepson 1893-5-8 Napa beyond Angwin's Howell Mt. Comment
  UCD164800  Salix laevigata Jake Ruygt 2008-4-24 5304 -c Napa Soscol Creek at Hwy 29. 19 Comment
  UCD164804  Salix laevigata Jake Ruygt 1995-3-17 3407 Napa Silverado Trail east of Souza land, Napa. 3 Comment
  JEPS13830  Salix lasiolepis Willis L. Jepson 1903-9-6 2342 Napa St. Helena; Napa River Basin, St. Helena Comment
  JEPS13831  Salix lasiolepis Willis L. Jepson 1903-9-6 2345 Napa St. Helena; Napa River Basin Comment
  JEPS13840  Salix lasiolepis Willis L. Jepson 1893-3-13 32 s Napa hills e of St. Helena; Napa River Basin Comment
  UC1356331  Salix lasiolepis Theodore J. Crovello 1964-3-14 384 Napa Trinity Road 8 mi e California Hwy. 12 Comment
  CAS-BOT-BC539338  Salix lasiolepis Jake Ruygt 2007-2-18 5118 Napa Moore Creek, Las Posadas State Forest Comment
  CAS-BOT-BC124411  Salix lasiolepis var. lasiolepis Peter H. Raven 1951-8-20 3859 Napa Acacia Lookout nr. Lokoya 426 Comment
  CAS-BOT-BC124417  Salix lasiolepis var. lasiolepis Elsa G. Ruckert 1960-3-12 20 Napa 5 1/2 miles from Highway 12 on east side of Dry Creek Road, 100 yards from county road 335 Comment
  CAS-BOT-BC124420  Salix lasiolepis var. lasiolepis Ira L. Wiggins 1932-3-12 5751 Napa North fork of the Napa River, 1 mi. N. of the town of Calistoga Comment
  CAS-BOT-BC128201  Salix lucida Rimo Bacigalupi 1924-2-22 s.n. Napa Toll house road Mt. St. Helena on Calistoga sie of Napa County Comment
  JEPS38360  Salix scouleriana Willis L. Jepson 1903-9-6 2344 Napa St. Helena; Napa River Basin, St. Helena Comment
  SEINET3083262 Image available Sambucus nigra subsp. canadensis Royal D. Suttkus 1967-6-26 67- 30 -25 Napa Clearly Reserves, 7.2 miles NW of Pope Valley Comment
  JEPS110652  Sanguisorba minor subsp. muricata Jake Ruygt 1991-5-25 2688 Napa Howell Mtn Rd. at Hill Rd. 554 Comment
  JEPS45502  Sanguisorba minor subsp. muricata W. L. Jepson 1908-5-23 3007 Napa St. Helena; Sunkler Ranch Comment
  JEPS129017  Sanicula bipinnata Jake Ruygt 2016-5-7 6239 -X Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD18367  Sanicula bipinnatifida R. Wenk 2000-5-14 2 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  RSA195384  Sanicula bipinnatifida Gilbert Muth 1967-4-9 623 Napa near Cassidy Creek 335 Comment
  UCD149698  Sanicula crassicaulis Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD48488  Sanicula crassicaulis L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 7 Napa Southwestern end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the east side of South Decker Canyon Rd. south of North Decker Canyon Rd. and north of Cut Off Rd. 152 Comment
  UCD83670  Sanicula crassicaulis Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 5 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 178 Comment
  HSC70624  Sanicula crassicaulis J. M. DiTomaso 1980-6-13 1593 Napa Hwy. 128, 5 mi. NW of junction with Hwy. 121 Comment
  JEPS967  Sanicula tuberosa Willis L. Jepson 1893-4-24 14192 Napa e of St. Helena (Napa River Basin); Napa River Basin Comment
  UC416712  Satureja douglasii H. P. Chandler 1907-5-8 7559 Napa White Sulphur Spr. St. Helena Comment
  JEPS104490  Scandix pecten-veneris Jake Ruygt 1991-9-27 2846 Napa Willis Drive, Napa 15 Comment
  JEPS104491  Scandix pecten-veneris Jake Ruygt 1979-4-14 518 Napa Oat Hill Mine Rd., near Calistoga 207 Comment
  SBBG5287  Scandix pecten-veneris H. and M. Dearing 1939-5-1 3245 Napa top of Spring Mtn grade Comment
  UCD54112  Schoenoplectus acutus var. occidentalis Ryan Knox; E. McDermott, G. Walden 2002-4-13 2 Napa Napa Co. McLaughlin Natural Reserve. From old town of Knoxville, travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of road, in Knoxville Creek. 432 Comment
  CAS-BOT-BC111446  Schoenoplectus californicus Peter Raven 1951-9-9 3901 Napa Slaugterhouse Pt., Napa River 0 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
  RSA366080  Schoenoplectus robustus J. T. Howell 1932-10-8 10807 Napa Tidal flat at Cuttings Wharf. Comment
  JEPS63963  Scirpus microcarpus W. L. Jepson 1916-8-6 6841 Napa Moore's Creek , Moore's Creek (Howell Mt.) 487 Comment
  UC1746021  Scribneria bolanderi Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2772 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS112636  Scutellaria antirrhinoides Jake Ruygt 1986-6-9 1806 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd., Milliken Cn 445 Comment
  UCSB5845  Scutellaria californica Keator, Glenn 1958-6-16 Napa Just east of Lake Hennessy; Napa range Comment
  JEPS129095  Scutellaria tuberosa Jake Ruygt 2016-4-26 6208 Napa Amy's Grove, Dry Creek Road. Rutherford 7.5' Quad. Comment
  UCD54648  Scutellaria tuberosa Collector Unknown 2006-3-3 s.n. Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  CAS-BOT-BC417000  Sedella pumila John Thomas Howell 1926-3-27 757 A Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC417003  Sedella pumila John Thomas Howell 1939-5-7 14656 Napa Napa Comment
  RSA201806  Sedella pumila W. R. Russell 1967-5-10 s.n. Napa Just N of Soscol House restaurant, ca. 2 miles S of Napa State Hospital, State Hwy 29. Comment
  UCD101987  Sedella pumila W. R. Russell 1967-5-10 s.n. Napa just north of Soscol House restaurant, 2 miles south of Napa State Hospital, State Highway 29. Comment
  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
  UC205200  Sedum spathulifolium H. P. Chandler 1907-5-8 7558 Napa White Sulphur Spr , White Sulphur Spr (St. Helena) Comment
  UCD164819  Selaginella wallacei Jake Ruygt 2013-6-10 5913 Napa Archer Taylor Preserve, Devil's Canyon. 487 Comment
  JEPS106850  Senecio aronicoides Jake Ruygt 1979-4-23 543 Napa 2.1 miles east of Silverado Trail on HWY 128 106 Comment
  UC1301214  Senecio aronicoides Helen K. Sharsmith 1963-4-20 5336 a Napa southern slopes Mt. Atlas; San Francisco Bay Region, southern slopes of Mt. Atlas 609 Comment
  UC35924  Senecio aronicoides Willis L. Jepson 1894-4-30 Napa Rebecca Ranch grade , Rebecca Ranch grade (Napa River Basin) Comment
  CDA33482  Senecio clevelandii Dale Woods, V. Popescu 2010-6-28 Napa Along Devilshead-Knoxville Road. Comment
  RSA150721  Senecio clevelandii P. H. Raven 1962-5-31 17921 Napa 1.5 miles south of Knoxville Comment
  SEINET11807296  Senecio clevelandii F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -333 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  RSA273383  Senecio eurycephalus 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
  CDA43457  Sesbania punicea N. Castro-Lobovsky 2015-8-24 PDR# 280 P06372476 Napa Oakville; 8329 St. Helena Hwy., near Bella Oaks Lane. 0 Comment
  CAS-BOT-BC240238  Setaria viridis Peter H. Raven 1952-9-14 5183 Napa Napa State Game Farm 121 Comment
  UC527935  Sidalcea hartwegii R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6668 Napa 6 mi ne Pacific Union College (on road to Aetna Springs, on Howell Mt.); Howell Mt., on road to Aetna Springs Comment
  JEPS50055  Sidalcea hartwegii W. L. Jepson 1897-5-2 14069 Napa near St. Helena; near St. Helena Comment
  JEPS122761  Sidalcea keckii Jake Ruygt 2003-5-5 4519 Napa On middle road between Foley Creek and Long Canyon. Quad: Knoxville. Comment
  UC108877  Sidalcea oregana subsp. hydrophila T. S. Brandegee Aug. 1888 Napa Howell Mountain Comment
  RSA92932  Silene antirrhina P. H. Raven 1951-6-6 3056 Napa Wooden Valley Grade. 305 Comment
  JEPS106851  Silene californica Jake Ruygt 1981-5-13 1022 Napa .2 miles east of Flosden Rd. on north side American Canyon 164 Comment
  JEPS106852  Silene californica Jake Ruygt 1980-6-22 942 Napa .1 mile south of Snell Valley Rd. on Butts Canyon Rd. 198 Comment
  UCD148759  Silene coniflora Jake Ruygt 2000-6-10 4265 Napa Napa County; Berryessa Knoxville Rd. at old homestead near Zim Zim Creek. 274 Comment
  CAS-BOT-BC384429  Silene coronaria Peter H. Raven 1952-5-26 4032 Napa St. Helena to Howell Mt. 91 Comment
  CAS-BOT-BC389184  Silene laciniata subsp. californica R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6673 Napa 10 mi. from Pacific Union College on Howell Mt. - Middletown road Comment
  UCD37128  Silene laciniata subsp. californica Beecher Crampton 1957-6-4 4095 Napa Napa County, north end of Capell Valley, above Capell Creek. Comment
  UCR212283  Silene multinervia Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
  UCD63065  Sisymbrium officinale Ellen Dean 2008-4-8 4770 Napa Quail Ridge UC Reserve. South end of Lake Berryessa, first peninsula, west of Monticello Dam. Along Decker Ridge Road, at junction with South Decker Canyon Rd. 342 Comment
  JEPS126032  Sisyrinchium bellum Jake Ruygt 1976-4-15 3 Napa 0.5 mile east of Silverado Trail on Deer Park Road. Saint Helena 7.5' Quad. Comment
  POM182695  Sisyrinchium bellum D. D. Keck 1931-4-2 1003 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 Comment
  UCD20822  Sisyrinchium bellum N. Nicola 2001-3-29 038 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve. Lat/long is estimate. Comment
  UCD48732  Sisyrinchium bellum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 18 Napa Quail Ridge Reserve: SE corner of Lake Berryessa, just W of Monticello Dam. Along Decker Bay Trail, 1/4 mi. from jct with West Rd. 152 Comment
  UCD13121  Sisyrinchium bellum Jennifer Kent 1974-4-28 33 Napa Napa CO. 2 Mi. south of Calistoga, off Dutch Henry Canyon Rd., 2 mi. east of Silverado Trail. Road cut. Elevation 1800'. 548 Comment
  UCD67945  Sisyrinchium bellum Sally Jue 1977-4-16 21 Napa Along Hwy. 128, 6.4 mi. SSW of Monticello Dam. 198 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
  UCD166658  Smilax californica Jake Ruygt 2001-10-17 4339 Napa 1.3 miles NE of Trancas Street on Napa River. 6 Comment
  CHSC102304  Solanum americanum Lowell Ahart 2009-10-12 16456 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  UCD21497  Solanum parishii Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4399 Napa Quail Ridge Reserve. 249 Comment
  UCD169858  Solanum rostratum Lowell Ahart 2009-10-27 16494 Napa 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
  UCR242098  Solanum umbelliferum Katherine Countrey 1983-4-22 004 Napa c. 8 mi east of Winters on Hwy 128 at the Monticello Dam Parking area 136 Comment
  JEPS7819  Solanum umbelliferum Peter H. Raven 1952-5-31 4159 Napa on Rector Creek Rector Creek 121 Comment
  POM204485  Solanum umbelliferum J. T. Howell 1933-5-21 11316 Napa Hills east of Napa. Comment
  UC1280958  Solanum umbelliferum H. E. McMinn 1922-6-7 195 Napa on summit of Howell Mountain Howell Mountain Comment
  UCD40899  Solanum xanti Katherine Countrey 1983-4-22 4 Napa About 8 miles east of Winters on Hwy 128 at the Monticello Dam Parking area. Comment
  CAS-BOT-BC365372  Solidago elongata John Thomas Howell 1933-8-27 11635 Napa Sage Canyon, Napa Range Comment
  UC1299294  Solidago velutina subsp. californica Freed W. Hoffman 1946-8-20 1267 Napa Hunting Creek North Coast Ranges, Napa-Lake County Line, Hunting Creek (Napa-Lake County Line, North Coast Ranges) Comment
  UC517539  Solidago velutina subsp. californica John Thomas Howell 1933-8-27 11635 Napa Sage Canyon , Sage Canyon (Napa Range) Comment
  JEPS18729  Soliva sessilis Willis L. Jepson 1893-5-8 14874 Napa Howell Mt. grade below New Eden; Napa River Basin, Howell Mt. Comment
  CDA29133  Sonchus asper D. G. Kelch, Daniel Weinstein 2009-6-21 9 .447 Napa Near Skyline Park. Comment
  JEPS106615  Spergula arvensis Jake Ruygt 1977-2-16 128 Napa Big Ranch Rd. at Trancas St., SW corner 13 Comment
  UCD99232  Spergularia macrotheca var. leucantha S. Galen Smith; J. Anderson 1957-6-7 2957 Napa Myrtledale Hot Springs, 1.5 miles north of Calistoga. 121 Comment
  UCD161352  Spergularia marina Jake Ruygt 1987-5-17 2005 Napa John F. Kennedy Park, Napa. (Coordinates estimated by label maker at UC Davis). 1 Comment
  UCD166675  Stachys ajugoides Jake Ruygt 1982-6-21 1339 Napa Suscol plain, just east of steel mill, Rocktram. 2 Comment
  UC1537556  Stachys albens Gordon H. True Jr. 1937-7-30 828 Napa near Etna Springs 365 Comment
  UCD49105  Stachys rigida var. quercetorum K. Hyun Chung; J. Deusterman, C. Ineich, and M. Hauselt 2001-4-28 18 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd., ca. 400 ft. as the crow flies NNW of jct of West Rd. and South Decker Canyon Rd. 230 Comment
  SEINET5735027 Image available Stachys rigida var. quercetorum J. A. Marinovich 1964-1 s.n. Napa Along Hwy 128 between Monticello Dam and hwy 37.; Monticello Dam 183 Comment
  JEPS36144  Stebbinsoseris heterocarpa Willis L. Jepson 1893-5-8 Napa Howell Mt. grade below New Eden; Howell Mt. grade Comment
  CAS-BOT-BC393991  Stellaria nitens Peter H. Raven 1950-4-15 1716 Napa Silverado Trail outside of Napa 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
  RSA769213  Stephanomeria virgata subsp. pleurocarpa L. Ahart 2009-10-12 16430 Napa Just above 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 air miles west of Winters. 133 Comment
  UCD136457  Stephanomeria virgata subsp. pleurocarpa D. H. Hartmann 1941-9-20 s.n. Napa Putah Canyon. Comment
  JEPS122969  Stipa lepida Jake Ruygt 1991-5-18 2574 Napa Mount George Avenue. Quad: Mount George. Comment
  JEPS122973  Stipa lepida Jake Ruygt 1986-4-26 1729 Napa East of Wragg Canyon Resort, Blue Ridge. Quad: Mt. Vaca. 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
  OBI14930  Streptanthus breweri Robert F. Hoover 1966-5-28 9879 Napa Just S of summit on Butts Cyn rd from Pope Valley Comment
  CAS-BOT-BC61256  Streptanthus breweri C. Etienne 1972-6-11 s.n. Napa Above highway 29 ca. 1 mile south of Napa county line. 762 Comment
  UC1492725  Streptanthus breweri var. breweri Freed W. Hoffman 1952-5-24 4166 Napa 7.8 mi w junction to Monticello Road; North Coast Ranges, Sage Canyon Comment
  JEPS106608  Streptanthus breweri var. hesperidis Jake Ruygt 1979-6-9 682 Napa 21.1 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 512 Comment
  RSA94058  Streptanthus glandulosus R. C. Barneby 1954-4-30 11335 Napa Conn Valley. near the slipway., 300 [ft? m?] Comment
  CAS-BOT-BC87152  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-19 6453 Napa Conn Valley. Comment
  CAS-BOT-BC87154  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1940-5-19 15453 Napa Upper Saint Helena Creek. Comment
  UC117403  Streptanthus glandulosus subsp. glandulosus C. F. Baker 1903-4-20 2619 Napa Mt. St. Helena Comment
  UC162826  Streptanthus glandulosus subsp. glandulosus Joseph P. Tracy 1902-5-16 1494 Napa 3-4 mi e Angwin's (hills at head of creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  UCD170438  Streptanthus glandulosus subsp. glandulosus Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 910 Napa Knoxville Wildlife Area on slope west of Berryessa-Knoxville Road. 517 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
  CAS-BOT-BC87328  Streptanthus hesperidis Robert F. Hoover 1938-6-11 3602 Napa Knoxville Ridge. Comment
  JEPS96908  Streptanthus hesperidis Dean W. Taylor 1998-6-18 16670 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley 289 Comment
  UC596387  Streptanthus hesperidis R. F. Hoover 1938-6-11 3602 Napa Knoxville ridge Comment
  UC939443  Streptanthus morrisonii subsp. elatus Arthur R. Kruckeberg 1947-6-14 1482 Napa outcrop on low saddle 1/4 mi w White's Point (Table Mtn. rd ca 5 mi e of Mountain Mill House) Comment
  UC939444 Image available Streptanthus morrisonii subsp. elatus Arthur R. Kruckeberg 1947-5-3 1438 Napa 0.25 mi w White's Point (Table Mtn. road, ca 5 mi e of Mountain Mill House, Napa-Lake Co. line); ; W of White's Pt., Table Mt., Napa-Lake Co. Comment
  JEPS106596  Streptanthus tortuosus var. tortuosus Jake Ruygt 1990-4-28 2509 Napa Mt. St. Helena, along fire trail 963 Comment
  JEPS104575  Symphyotrichum spathulatum Jake Ruygt 1981-8-23 1089 Napa 1 mile south of Yountville on HWY 29 22 Comment
  JEPS122694  Symphyotrichum spathulatum Jake Ruygt 1981-6-18 1054 Napa 0.3 miles east of Flosden Road in American Canyon Road. Quad: Cordelia. Comment
  JEPS40792  Symphyotrichum subspicatum W. L. Jepson 1894-11-6 Napa Calistoga Comment
  UCD18149  Taeniatherum caput-medusae Jean Shepard; with Plant Biology 102 Class 2000-4-29 205 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCD37949  Taeniatherum caput-medusae Beecher Crampton 1962-5-16 6436 Napa Napa County, town of Pope Valley. Comment
  CAS-BOT-BC211569  Tamarix parviflora Peter H. Raven 1951-10-28 3952 Napa Along Eticuera Creek, c. 8 mi. se of Knoxville 304 Comment
  HSC58999  Tamarix ramosissima Bill Lutes 1975-4-26 149 Napa Near Knoxville, close to the town of Lower Lake. 375 Comment
  JEPS37028  Tanacetum parthenium W. L. Jepson 1936-6-2 17601 Napa Pratt Valley, St. Helena St. Helena, Pratt Valley Comment
  UC9680  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-4-28 Napa gorge n Wooden Valley grade; Napa River Basin Comment
  UC9707  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-4-28 Napa gorge n Wooden Valley Grade; Napa River Basin Comment
  UC1195653  Thelypodium brachycarpum J. Rattenbury Jun 1949 Napa just w Knoxville (on Lower Lake-Knoxville Road) Comment
  CDA12199  Thermopsis californica var. californica G. F. Hrusa 1989-4-29 6045 Napa North Coast Biodiversity Arena; Chiles Valley Rd., approx. 2 km N of junction of Hwy 128 and Chiles Valley Rd. Comment
  CHSC108734  Thermopsis californica var. californica B. Castro; L. P. Janeway 2002-5-12 1360 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 505 Comment
  UCD16029  Thermopsis californica var. californica N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 17 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 3-4.5 dm tall, flowers yellow. Comment
  JEPS126090  Thermopsis macrophylla Jake Ruygt 1976-5-7 65 Napa 8.0 miles NE of Westgate Drive on Atlas Peak Road. Capell Valley 7.5' Qua. Comment
  JEPS126134  Thlaspi arvense Jake Ruygt 2003-4-14 4497 Napa Near confluence of Foley and Eticuera Creek. Knoxville 7.5' Qua. Comment
  CAS-BOT-BC66493  Thysanocarpus curvipes David D. Keck 1931-4-2 1036 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  CAS-BOT-BC66495  Thysanocarpus curvipes David D. Keck 1933-5-29 2352 Napa Pope Creek bridge south of Walters Springs. Comment
  CAS-BOT-BC66503  Thysanocarpus curvipes Peter H. Raven 1953-5-2 5380 Napa Hills due east of Yountville. 243 Comment
  CAS-BOT-BC66510  Thysanocarpus curvipes John H. Thomas 1968-4-4 14275 Napa About 2 miles east of Rutherfor along Highway 128. Comment
  RSA195381  Thysanocarpus curvipes var. curvipes Gilbert Muth 1967-4-16 639 Napa Snell Valley. 183 Comment
  JEPS106587  Thysanocarpus laciniatus Jake Ruygt 1998-5-11 3963 x Napa Chiles Canyon at rock cliffs. 182 Comment
  RSA0049961  Thysanocarpus radians D. D. Keck 1931-4-2 1046 Napa 4 miles S. of Monticello, eastern Napa County. Comment
  JEPS110739  Tonella tenella Jake Ruygt 1996-4-9 3563 Napa Wantrop Wildlife Sanctuary 207 Comment
  UCD124646  Tonella tenella J. M. Tucker 1957-3-22 3287 Napa beside Highway 37, 0.4 mie southwest of junction with road to Monticello Dam and Winters. Comment
  UCD149580  Torilis arvensis Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD41326  Torilis nodosa Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 1 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, W side of Knoxville Creek, 1 road mile S of the gate to old town of Knoxville. 353 Comment
  CAS-BOT-BC85166  Torreya californica Alice Eastwood 1923-5-9 11765 Napa Mt. St. Helena Comment
  JEPS103993  Torreya californica Jake Ruygt 1979-5-6 582 Napa Mt. St. Helena 731 Comment
  JEPS48385  Torreya californica Kellogg 1888 Napa Mt. St. Helena Comment
  UCD133451  Torreya californica C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1203 Napa 8 miles north of Calistoga on Hwy 29, 1.2 miles north of crest of Hwy 29 on Mt. St. Helena. Comment
  SEINET11736712  Torreya californica Unknown 1944-1 s.n. Napa no further locality Comment
  JEPS63910  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19478 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek Comment
  JEPS63911  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19477 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek Comment
  UCD67492  Toxicodendron diversilobum D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. Quercus wislizenii and Quercus douglasii woodland in eastern slopes. 350 Comment
  UCD170448  Toxicoscordion fontanum Daniel Potter; Ninh Khuu 2017-5-14 920 Napa Knoxville Wildlife Area, along Nevada Creek. 317 Comment
  UCD48284  Toxicoscordion fontanum S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson,A. Houser,S. Wathen 2000-4-22 24 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 487 Comment
  UCD169875  Toxicoscordion fremontii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 716 Napa Knoxville Wildlife Area. 257 Comment
  UCD96203  Toxicoscordion micranthum Ellen Dean; with Clare Loughran 2011-5-20 7079 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
  UCD95925  Toxicoscordion venenosum var. venenosum Ellen Dean; with Clare Loughran 2011-5-20 7058 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 612 Comment
  CAS-BOT-BC220990  Trichostema Jake Ruygt 2004-7-31 4638 Napa Northwest of Buzzard's Roost, north end of Stags Leap 411 Comment
  SEINET9366903  Trichostema lanceolatum Unknown 1997-8-17 Napa Pope Valley Comment
  UC1137621  Trichostema laxum B. Schreiber 1936-9-20 2350 Napa 5 mi S of Reiff 762 Comment
  JEPS63139  Trichostema laxum W. L. Jepson 1930-10-17 15698 Napa Butts Canyon N Napa Co. Comment
  UC22514  Trientalis latifolia Willis L. Jepson 1893-5-8 Napa Napa River Basin, Howell Mountain, New Eden New Eden; Napa River Basin, Howell Mountain, New Eden Comment
  UC1925878  Trifolium Ethel Crum 1931-1 1064 Napa Pope Valley Comment
  UC1925907  Trifolium Ethel Crum 1931-1 1047 Napa Four miles from Yountville. Comment
  JEPS126091  Trifolium albopurpureum Jake Ruygt 1995-4-29 3451 Napa Skyline Park, Sugarloaf Peak Trail. Mount George 7.5' Qua. Comment
  UC137702  Trifolium albopurpureum C. F. Baker 1903-4-20 2625 Napa Mt. St. Helena, Napa Co. Comment
  UCD35560  Trifolium albopurpureum Beecher Crampton 1958-4-22 4738 Napa Markley Canyon, Vaca Mountains. Comment
  UC74964  Trifolium albopurpureum var. dichotomum C. F. Baker 1903-4-19 1983 Napa Calistoga Comment
  UC1925904  Trifolium albopurpureum var. dichotomum Ethel Crum 1931-1 1068 Napa Near Aetna and Butts Canyon Roads. Comment
  JEPS117952  Trifolium alexandrinum Timothy H. Milliken with Michele Lee and Jake Ruygt Jun 14-17 2010 Napa plant found in two locations at Napa Co. Airport west of runway 18-36 in field alongside access road and on the west side of Lasco Road in line runway 9-24 Comment
  JEPS65758  Trifolium bifidum var. bifidum E. K. Crum 1931-4-17 1055 a Napa 1/2 mi n P. O.; Pope Valley Comment
  UCD16046  Trifolium bifidum var. bifidum R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 19 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, moderately moist soil, east facing slope, sunny. Herb, 10-13 cm tall, flowers light pink to lavender. Comment
  JEPS106697  Trifolium bifidum var. decipiens Jake Ruygt 1997-4-23 3833 Napa Lower Chiles Valley Road, 1/4 mile N of HWY 128. 280 Comment
  UCD117802  Trifolium bifidum var. decipiens Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCD83438  Trifolium bifidum var. decipiens Jake Ruygt 2005-5-6 4815 Napa Newell Canyon Open Space; near Napa/Solano County line. 283 Comment
  JEPS122769  Trifolium cernuum Jake Ruygt 2011-5-12 5784 Napa Ridgeview Lane south of Howell Mtn Road. Quad: St. Helena. Comment
  UCD83441  Trifolium ciliolatum Jake Ruygt 1981-4-18 977 a Napa Harris Canyon. 213 Comment
  JEPS95202  Trifolium depauperatum var. hydrophilum Jake Ruygt 1982-4-7 1173 Napa between Rocktram and Hwy 29 (221) Suscol Plain Comment
  POM182744  Trifolium dichotomum D. D. Keck 1931-4-2 1040 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  SEINET3131839  Trifolium dichotomum L. S. Rose 1935-4-18 35100 Napa Steel Canyon Comment
  CHSC10583  Trifolium fucatum Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  JEPS65868  Trifolium fucatum Willis L. Jepson 1893-4-25 13721 Napa w St. Helena (trail to Caux's Cabin); Napa River Basin Comment
  UCD48023  Trifolium fucatum Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 10 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UC137697  Trifolium gracilentum C. F. Baker 1903-4-19 1985 Napa Calistoga Comment
  UCD38367  Trifolium gracilentum Beecher Crampton 1955-4-4 2385 Napa 7 miles east of Rutherford, above Conn Reservoir, eastern edge. Comment
  UCD48984  Trifolium microcephalum M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 19 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 274 Comment
  UCD111441  Trifolium microcephalum P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  JEPS106716  Trifolium oliganthum Jake Ruygt 1996-4-9 3568 Napa Wontrop Wildlife Sanctuary 542 Comment
  UCD116971  Trifolium oliganthum Jillian Howard; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  JEPS126125  Trifolium resupinatum Jake Ruygt 2006-5-18 5031 Napa Airport Road on south side, about 0.1 mile west of Highway 29. Cuttings Wharf 7.5' Qua. Comment
  JEPS129145  Trifolium subterraneum Jake Ruygt 1978-4-30 283 Napa 0.1 mile south of Oak Knoll Avenue on Silverado Trail. Napa 7.5' Qua. Comment
  UCD168552  Trifolium subterraneum 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
  UCD39032  Trifolium variegatum Beecher Crampton 1962-5-8 6414 Napa 2 miles north of Calistoga, Myrtledale Hotsprings meadow. Comment
  JEPS4428  Trifolium variegatum var. melananthum Willis L. Jepson 1893-4-27 13706 Napa near Yountville (Napa Valley); Napa River Basin Comment
  JEPS106686  Trifolium variegatum var. pauciflorum Jake Ruygt 1991-5-11 2667 Napa intersection Aetna Extension Rd. with Oat Hill Mine Rd. 670 Comment
  CHSC79317  Trifolium willdenovii Beecher Crampton 1970-4-15 8561 Napa East slope of Wragg Canyon. Comment
  JEPS4145  Trifolium willdenovii Willis L. Jepson 1893-5-2 13673 Napa e Calistoga (Pope Valley grade); Napa River Basin Comment
  JEPS4160  Trifolium willdenovii W. L. Jepson 1921-5-6 9183 Napa Calistoga 109 Comment
  POM18839  Trifolium willdenovii C. F. Baker 1903-4-19 1992 Napa Calistoga. Comment
  UCD109855  Trifolium willdenovii G. F. Hrusa 1992-4-15 10381 Napa Along Hwy. 128 app. 2 m. N of Knoxville-Berryessa Rd. Comment
  UCD83425  Trifolium willdenovii Jake Ruygt 2000-5-6 4240 Napa Hwy 128 at Sonoma County line; N of Calistoga. 219 Comment
  UCD166663  Triglochin maritima Jake Ruygt 1986-5-17 1770 Napa west end of Suscol Rd, below southern crossing of Hwy 29.. 1 Comment
  CAS-BOT-BC520827  Trillium albidum Peter H. Raven 1950-4-15 1734 Napa Napa: Wooden Valley Comment
  UC1364377  Trillium albidum J. D. Freeman with R. F. Freeman 1967-5-6 573 Napa just s.w. Calistoga (0.6 mi. w. of CA Hwy. 29, near Diamond Mt. Creek below Diamond Mt. Rd.) Comment
  CAS-BOT-BC521018  Trillium chloropetalum var. giganteum Elsa G. Ruckert 1960-3-26 43 Napa 6495 Dry Creek Road; Field to right of private road leading into property. 365 Comment
  UCD139913  Trillium ovatum R. H. Miller 1949-4-6 18 Napa beside Highway 12, about 7 miles southeast of Monte Rio. Comment
  SEINET13750232  Triphysaria eriantha M. J. Williams 1967-5-7 s. n. Napa Pope Valley. 198 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
  SEINET5738473 Image available Triphysaria eriantha subsp. eriantha Stan Logan 1965-1 8 Napa Dollarhide Road, ca. 3 miles east of Pope Valley.; Pope Valley Comment
  JEPS17095  Triphysaria versicolor subsp. faucibarbata Rimo Bacigalupi with John Dawson 1955-4-25 4840 Napa 4 mi s Napa State Hospital [Imola] (field 1/2 mi n of the Napa Y, State Highway No. 29 [junction of Jameson Canyon Road and State 29]); junction of Jameson Canyon road and State 29 19 Comment
  UC1334906  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-15 494 Napa on Silvarado trail 5 mi n Napa; on Silverado Trail Comment
  UCR24352  Trisetum canescens John C. Roos 1939-5-7 297 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  JEPS110904  Triteleia hyacinthina Jake Ruygt 1977-5-3 211 Napa 1.6 miles north of Monticello Rd. on Atlas Peak Rd. 54 Comment
  JEPS110930  Triteleia hyacinthina Jake Ruygt 1995-6-5 3486 Napa Taylor property, about 2 miles south of Lake Hennessey. 432 Comment
  UCD83726  Triteleia hyacinthina Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 5 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 198 Comment
  SBBG886  Triteleia hyacinthina H. and M. Dearing 1939-5-2 3250 Napa near Napa Comment
  RSA733901  Triteleia laxa Eva Bayon, Plant Biology 102 Class 2000-4-29 s.n. Napa McLaughlin Reserve. North of Knoxville--Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 427 Comment
  SEINET198873  Triteleia laxa R. L. Ferral 1954-5-30 12 Napa 5 feet off road on west side ca. 3 miles south of Capell Valley road junction on Montcello-Napa road 244 Comment
  UCD117784  Triteleia laxa Marisol Gonzalez; 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
  UCD148809  Triteleia laxa Ellen Dean; Diana Hickson 2014-4-29 8116 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD18174  Triteleia laxa Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCR196219  Triteleia laxa E. Anderson, L. Lina, A. Miles, J. Waggoner, R. Wenk 2000-4-22 24 Napa UC McLaughlin Reserve, south of old town Knoxville, north of Knoxville-Berryessa Road, west side of dirt road 402 Comment
  UCD21718  Triteleia laxa Robin McMaster 1972-4-9 49 Napa Lake Berryessa, shaded grassy slope. Comment
Read comments Dec 18 2011
  JEPS110927  Triteleia lugens Jake Ruygt 1999-5-22 4168 Napa Livermore Ranch on road south of White Point. 819 Comment
  JEPS54264  Tropidocarpum gracile Clara A. Hunt 1910-4-6 Napa St. Helena Comment
  CAS-BOT-BC91201  Umbellularia californica John Thomas Howell 1933-8-27 11623 Napa Sage Canyon, Napa Range. Comment
  CDA11147  Umbellularia californica G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11558 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa. Above Sarco Creek. Comment
  HSC81865  Uropappus lindleyi Thomas W. Nelson, Jane P. Nelson 1980-5-3 5144 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UCD170805  Uropappus lindleyi 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 135 Comment
  UCD32573  Uropappus lindleyi Beecher Crampton 1954-5-20 1927 Napa 8 miles southwest of Monticello, along highway 128. Comment
  JEPS35633  Uropappus lindleyi W. L. Jepson 1893-1 Napa upper Napa Valley; upper Napa Valley Comment
  CAS-BOT-BC199245  Vaccinium ovatum Peter H. Raven 1951-6-26 3070 Napa Wooden Valley Grade 304 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
  JEPS11173  Verbascum blattaria W. L. Jepson 1936-6-2 17607 Napa near bridge on road to Sanitarium St. Helena (banks of Napa River); , St. Helena 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
  UC1949226  Veronica catenata Barbara Ertter with Elizabeth Neese 1988-10-2 7952 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on N side of Rt 128 Comment
  UCD21502  Veronica peregrina subsp. xalapensis Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4404 Napa Quail Ridge Reserve. 262 Comment
  RSA92830  Vicia angustifolia Peter H. Raven 1951-5-26 2867 Napa Lokoya Lodge 412 Comment
  SEINET7073083  Vicia sativa subsp. nigra A. G. Vestal 1963-4-7 s.n. Napa About 1 mile north of Saint Helena on the Silverado Trail. Coordinate datum WGS84/NAD83. (38? deg. 31' 20" North Latitude, -122? deg. 28' 26" West Longitude, UTM Zone 10, 545861mE, 4263695mN. Coordinate datum: NAD27). Comment
  UC1300883  Vicia sativa subsp. nigra Helen K. Sharsmith 1963-4-20 5343 Napa s slopes Mt. Atlas; San Francisco Bay Region 609