Search Results — 2000 specimen records retrieved (1466 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
  JEPS122719  Abutilon theophrasti Jake Ruygt 1996-9-2 3767 Napa SW corner, Silverado Trail at Pope Street, St. Helena. Quad: St. Helena. Comment
  UC18115  Acer macrophyllum W. H. Brewer 1862-8-4 1316 Napa at Camp 84 Rag Canyon; Rag Canyon near Putah Creek, Napa Co., Camp 84 Comment
  UCD117016  Acer macrophyllum Lynn Gould 1962-4-7 31 Napa State Highway 37, 6 miles north of Napa. Comment
  UC1071659  Acer negundo var. arizonicum A. Lewis May 1932 113 Napa Wragg Canyon Napa Quad., Wragg Canyon 182 Comment
  CAS-BOT-BC28693  Achillea millefolium P. H. Raven 1955-8-27 8761 Napa Cuttings Wharf 3 Comment
  JEPS127876  Achillea millefolium Adam C. Schneider with Dick O'Donnell 2013-5-26 214 Napa About 200 meters west of Butts Canyon Rd. Comment
  JEPS127888  Achillea millefolium Adam C. Schneider with Dick O'Donnell 2013-5-26 216 Napa About 200 meters west of Butts Canyon Rd. Comment
  UCD118600  Achillea millefolium William Goss; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD164483  Achillea millefolium J. A. Johnston 1995-5-7 11 Napa Next to Hwy 128 approximately, 0.5 miles west of Markley Cover on Lake Berryessa. 1000 Comment
  OBI17140  Achillea millefolium R. L. Hoover 1968-4-20 50 Napa On Howell Mtn Rd, 2.6 mi NE of State Rte 29/128, on E side of rd Comment
  SFV8398  Achillea millefolium C. Bornman 1962-5-17 69 Napa About 1 mile west of Lake Berryessa on State Highway 128. North slope. 137 Comment
  CAS-BOT-BC211901  Achnatherum coronatum G. L. Stebbins 1966-5-28 6426 Napa Markley Canyon, along State Highway 128, 3.5 miles west of Berryessa Dam 152 Comment
  UCD73927  Achnatherum coronatum G. Ledyard Stebbins 1966-5-28 6426 Napa Markley Canyon. Comment
  JEPS104508  Achyrachaena mollis Jake Ruygt 1982-4-14 1184 Napa Suscol Plain east of Kaiser Steel 1 Comment
  UCD148783  Achyrachaena mollis Ellen Dean; Diana Hickson 2014-4-29 8091 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD103787  Acmispon americanus var. americanus K. Esau; E. Hyde 1938-5-25 s.n. Napa location unknown. Comment
  UCD103940  Acmispon americanus var. americanus John M. Tucker 1941-9-20 393 Napa Putah Canyon, Vaca Range. Comment
  UCD118619  Acmispon brachycarpus Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD159936  Acmispon brachycarpus Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD104111  Acmispon glaber Beecher Crampton 1959-5-26 5257 Napa Martley Canyon, Vaca Mountains. Along State Hwy. 128. Comment
  UCD104557  Acmispon wrangelianus M. Wiesendanger 1927-5-4 684 Napa Near Monticello. Comment
  UCD161688  Acmispon wrangelianus Jake Ruygt 2009-4-8 5395 Napa north side of American Canyon, west of Highway 80. 158 Comment
  CDA25688  Adenostoma fasciculatum H. Stabo 1965-2-18 Napa Conn Valley, St. Helena. 0 Comment
  JEPS44789  Adenostoma fasciculatum W. L. Jepson 1915-12-6 6584 Napa Howell Mt. Comment
  UCD48359  Adiantum jordanii Kook-Hyun Chung 2001-4-28 2 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft) NW of jct with South Decker Canyon Rd. 53 Comment
  UCD137202  Adiantum jordanii G. F. Hrusa; G. L. Stebbins 1994-3-11 11593 Napa Las Posadas State Forest, south of Moore Creek. 500 Comment
  SEINET11687432  Aegilops triuncialis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -317 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS110796  Agastache urticifolia Jake Ruygt 1989-6-17 2365 Napa Van Ness Canyon 585 Comment
  RSA0009530  Agoseris grandiflora Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC15371  Agoseris grandiflora var. leptophylla Peter H. Raven 1952-5-31 4123 Napa Hills southwest of Rector Canyon 152 Comment
  JEPS104521  Agoseris heterophylla Jake Ruygt 1992-5-7 2938 Napa south of Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  CAS-BOT-BC22755  Agoseris heterophylla J. T. Howell 1931-4-3 6111 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  JEPS36237  Agoseris heterophylla var. heterophylla W. L. Jepson 1938-5-18 18798 Napa slope above St. Helena Sanitarium; Howell Mts. Comment
  JEPS104500  Agoseris retrorsa Jake Ruygt 1989-4-22 2269 Napa East of Highway 121 on Highway 128 (marker 26.81) Capell Valley 7.5' Quad. Comment
  RSA170267  Agrostis elliottiana Joseph P. Tracy 1950-5-23 18671 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  UC1158122  Agrostis elliottiana Joseph P. Tracy 1950-5-23 18671 Napa head Moore's Creek (La Jota Plateau, 3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mt., head Moore's Creek 518 Comment
  JEPS129052  Agrostis exarata var. monolepis Jake Ruygt 2016-7-2 6288 Napa Sutro Ranch, Atlas Peak. Yountville 7.5' Quad. Comment
  CAS-BOT-BC139729  Agrostis gigantea Peter H. Raven 1951-6-24 3010 Napa Napa. 30 Comment
  UC187234  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Calistoga Hot Springs Northern Coast Ranges, Calistoga Hot Springs 91 Comment
  UCD53032  Agrostis microphylla A. A. Beetle 1946-5-7 4257 Napa 2 miles N of Calistoga at Myrtledale Hot Springs. Comment
  CAS-BOT-BC139012  Agrostis pallens John Thomas Howell 1943-6-19 18236 Napa Hills southwest of Saint Helena. 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
  CAS-BOT-BC139015  Agrostis pallens John Thomas Howell 1943-6-19 18236 Napa Hills southwest of Saint Helena. Comment
  JEPS71139  Agrostis pallens W. L. Jepson 1936-7-2 17642 Napa Angwin Meadow Napa Range, Howell Mt. Comment
  JEPS71141  Agrostis pallens W. L. Jepson 1936-7-3 17636 Napa Four Corners Napa Range, Howell Mt. Comment
  RSA653983  Agrostis pallens Beecher Crampton 1956-5-25 3479 Napa eastern slope of Howell Mountains, above Wooden Valley. Comment
  RSA92953  Agrostis stolonifera P. H. Raven 1951-6-26 3049 Napa E. of Napa on Monticello Rd. 61 Comment
  UCD170422  Aira caryophyllea Daniel Potter; Daniel McNair 2017-4-23 903 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  CAS-BOT-BC138417  Aira caryophyllea var. capillaris Peter H. Raven 1953-5-2 5383 Napa Hill due east of Yountville. 243 Comment
  RSA92784  Alisma triviale Peter H. Raven 1950-7-4 2470 Napa Along railroad, Yountville. Comment
  HSC42390  Allium amplectens Dale McNeal 1977-5-18 2032 Napa Beside Pope Valley Rd., 6.1mi. N of the junction of Hwy. 128 Comment
  JEPS97780  Allium amplectens Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2775 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  RSA123594  Allium amplectens Milo S. Baker 1932-4-26 5963 Napa Monticello Road near Pope Valley. Comment
  CAS-BOT-BC461084  Allium amplectens M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC461085  Allium amplectens Lester Rowntree 1938-5-16 s.n. Napa Alta Peack [Atlas Peak?], near Napa Comment
  UCD167996  Allium cratericola James A. Neilson Jr. 1977-4-13 3863 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
  CAS-BOT-BC466764  Allium cratericola Alice Eastwood 1923-5-9 s.n. Napa Old crater, Mt. St. Helena Comment
  CAS-BOT-BC466765  Allium cratericola Alice Eastwood 1915-6-6 s.n. Napa Mt. St. Helena Comment
  UCD161516  Allium cratericola Jake Ruygt 1990-4-8 2473 Napa White Creek, Wild Horse Valley Ranch. 408 Comment
  CHSC108736  Allium falcifolium B. Castro; L. P. Janeway 2002-5-12 1364 Napa Inner North Coast Ranges. Near top of ridge on northeast side of Pocock Creek along the dirt road from Devilhead Road. NNW-facing slope at edge of road opening and cutbank. 536 Comment
  UC1278731  Allium falcifolium G. L. Stebbins Jr. 1948-5-9 3936 Napa on road to Napa 8 mi s Monticello (w side of Steel Canyon); Steel Canyon Comment
  UCD138525  Allium falcifolium R. L. Smith 1948-5-8 s.n. Napa 6 miles north Aetna Springs, Pope Valley. Comment
  CAS-BOT-BC469022  Allium falcifolium R. C. Barneby 1954-4-30 11336 Napa Conn Valley, near the slipway. Comment
  CAS-BOT-BC469024  Allium falcifolium M. S. Jussel 1931-4-19 s.n. Napa Pope 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
  UC726233  Allium falcifolium A. A. Heller 1941-5-16 16129 Napa on road to Upper Lake about 3 mi w Knoxville Comment
  UCD138524  Allium falcifolium Robert E. Preston 1988-4-10 587 Napa ca. 0.6 mi ESE of Confluence of Putah and Hunting Creeks. 335 Comment
  CAS-BOT-BC468997  Allium fimbriatum var. fimbriatum David D. Keck 1931-4-3 1083 Napa Pope Creek Canyon, 8 miles NW. of Monticello Comment
  RSA123161  Allium fimbriatum var. fimbriatum B. O. Schreiber 1938-4-24 2507 Napa 1/2 mile northwest of Knoxville. 610 Comment
  JEPS110937  Allium fimbriatum var. purdyi Jake Ruygt 2003-5-5 4514 Napa Knoxsvill Wildlife Area, S of old Knoxville site 426 Comment
  UCD161517  Allium lacunosum var. lacunosum Jake Ruygt 1990-5-5 2529 Napa south of Leoma Lakes, Wild Horse Valley Ranch. 429 Comment
  JEPS122681  Allium peninsulare var. franciscanum Jake Ruygt 2006-5-15 5020 Napa Near Montini, Open Space N of Sonoma. Quad: Sonoma. Comment
  UCD48256  Allium serra K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 30 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, west of Old Knoxville Rd. 432 Comment
  UCD48257  Allium serra Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 3 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  CAS-BOT-BC475562  Allium serra David D. Keck 1933-5-29 2374 Napa 1.3 miles south of Knoxville Comment
  CAS-BOT-BC475564  Allium serra John Thomas Howell 1931-4-2 6103 Napa 4 miles from Monticello on Wooden Valley Road. Comment
  CAS-BOT-BC26676  Allocarya piperi Amos Arthur Heller; H. E. Brown 1902-4-25 5361 Napa Near Napa Comment
  UC23568  Allophyllum divaricatum Willis L. Jepson 1893-1 Napa Angwin's meadows Howell Mt.; Napa R. Basin, , Angwin's meadows Comment
  JEPS84574  Allophyllum divaricatum John W. Willoughby 1977-4-27 2288 Napa 0.7 mi. s.w. Monticello Dam (s. of Hwy. 128) 195 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
  JEPS101637  Allophyllum gilioides subsp. violaceum Dean W. Taylor 1998-6-23 16692 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  CAS-BOT-BC170678  Alnus rhombifolia Herman Knoche 1919-11-22 3068 Napa Laguna Resort. Napa Comment
  CAS-BOT-BC170679  Alnus rhombifolia H. E. McMinn 1922-8-2 357 Napa Putah Canyon Comment
  JEPS58611  Alnus rhombifolia Willis L. Jepson 1901-8-6 1717 Napa White Sulphur Springs Napa River Basin 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
  JEPS54311  Amaranthus hybridus W. L. Jepson Napa Rural Health Retreat St. Helena 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
  UCD39199  Amelanchier alnifolia Beecher Crampton 1953-5-19 1306 Napa 12 miles east of Rutherford, Highway 128. Comment
Read comments
Jun 12 2012
  JEPS45149  Amelanchier utahensis Willis L. Jepson 1893-5-8 32 a Napa Howell Mt. grade; Napa River Basin Comment
  JEPS45494  Amelanchier utahensis W. L. Jepson 1924-4-27 10383 Napa Mt. St. Helena Comment
  JEPS45495  Amelanchier utahensis Willis L. Jepson 1893-5-8 32 b Napa Howell Mt.; Napa River Basin Comment
  UCD127156  Ammi majus Rimo Bacigalupi; G. T. Robbins, C. L. Custer 1954-8-9 4752 Napa escape along roadside, just north of the city limits of Napa, about 1/4 mile west of the northern end of Jefferson Street. 18 Comment
  CAS-BOT-BC177210  Amorpha californica var. napensis Peter H. Raven 1951-8-19 3845 Napa Near Lokoya 487 Comment
  JEPS2725  Amorpha californica var. napensis W. L. Jepson 1916-8-6 6834 Napa Moore Creek Howell Mt. 548 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
  UCD75832  Amorpha californica var. napensis Jake Ruygt 1993-5-24 3268 Napa Las Posadas State Forest. 524 Comment
  UCR23952  Amorpha californica var. napensis John C. Roos 1939-4-29 289 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  UCD56009  Ampelodesmos mauritanicus M. Baker 1941-5-1 s.n. Napa Mt. St. Helena. Comment
  UCD56010  Ampelodesmos mauritanicus G. F. Hrusa 2000-7-26 15683 Napa Old Toll House Rd. at SW base of Mt. St. Helena, approx. 1/2 mi. N of Hwy 29. Steep, north-facing slope above Garnet Cr. 400 Comment
  CAS-BOT-BC222308  Amsinckia douglasiana E. Ruckert 1960-4-17 98 Napa 100 feet southwest of private road leading in from 6495 Dry Creek Road 365 Comment
  JEPS61120  Amsinckia intermedia Willis L. Jepson 1893-1 21081 Napa Angivins Meadows; Napa River Basin, Howell Mountain, Napa Range Comment
  UC1191038  Amsinckia intermedia Francia Chisaki 1954-4-15 596 Napa about 2 mi s Calistoga (on Silverado Trail); Silverado Trail Comment
  UCD161744  Amsinckia intermedia Jake Ruygt 1994-3-29 3342 Napa south side of Suscol Ridge in Jameson Canyon (Kirkland Ranch). 201 Comment
  UCD170350  Amsinckia lunaris Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 849 Napa Knoxville Wildlife Area, along Nevada Creek. 452 Comment
  UC24615  Amsinckia lycopsoides Willis L. Jepson 1891-5-1 Napa Upper Conn Valley; Napa River Basin Comment
  UCD147532  Anagallis arvensis Ellen Dean; Diana Hickson 2014-4-29 8086 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  CAS-BOT-BC64144  Ancistrocarphus filagineus M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  SEINET2140851  Ancistrocarphus filagineus J. P. Tracy 1902-5-17 1513 Napa Howell Mtn; head of Moore's Creek 3-4 mi E of Angwin's Comment
  UCD118509  Ancistrocarphus filagineus Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. South side of road. 417 Comment
  UCD20723  Angelica californica Mark Bibbo; w/ Laura Wynholds 2002-7-20 64 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  HSC71976  Angelica tomentosa J. M. DiTomaso 1980-7-8 1740 Napa N side of Mt. St. Helena at 48.45 mi mark on Hwy 29 610 Comment
  CAS-BOT-BC273165  Anisocarpus madioides L. R. Abrams 1928-5-3 12203 Napa St. Helena Grade Comment
  CAS-BOT-BC273162  Anisocarpus madioides Jean Fottrell 1906-7-1 s.n. Napa Napa redwoods Comment
  JEPS110621  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Jake Ruygt 1979-7-12 746 Napa 5.9 miles NE of Monticello Rd. on HWY 128 274 Comment
  JEPS83371  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-15 332 Napa 0.1 to 0.3 mi e Hwy 128 jct with rd to Spanish Flat Resort on Lake Berryessa (on n side of road to Spanish Flat Resort); Capell Valley Quad. (7.5', 1968) 198 Comment
  UC726123  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum A. A. Heller 1940-6-13 15742 Napa w side Mt. St. Helena (near the first turn toward the e on the road leading to the summit) Comment
  JEPS25048  Antirrhinum virga J. P. Tracy 1899-6-18 368 Napa 3-4 mi e Angwin's (La Jota Plateau); Howell Mountain, Head of Moore's Creek, La Jota Plateau 518 Comment
  RSA653989  Apiastrum angustifolium Beecher Crampton 1956-5-25 3451 Napa Vaca Mountains, Martley Canyon, along new road from Monticello Dam to Napa Comment
  UCD144657  Apiastrum angustifolium Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD36935  Apiastrum angustifolium Beecher Crampton 1956-5-25 3451 Napa Vaca Mountains, Markley Canyon, along new road from Monticello Dam to Napa. Comment
  UCR198092  Apiastrum angustifolium Beecher Crampton 1967-5-11 7920 Napa Inner North Coast Ranges, 4.5 miles east of Rutherford, south slope, Conn Reservoir 122 Comment
  JEPS104561  Apocynum androsaemifolium Jake Ruygt 1987-6-5 2024 Napa Wild Horse Valley Ranch 441 Comment
  UC1199839  Apocynum cannabinum Herbert L. Mason 1942-9-29 12559 Napa ca. 1 mi. n. Rutherford (edge of Beaulieu Ranch) Comment
  UCD148557  Apocynum cannabinum Jake Ruygt 2004-6-19 4621 Napa Napa County; Long Canyon Creek near Eticuera Creek. 310 Comment
  JEPS49812  Apocynum cannabinum E. M. Zeile 1924-8-5 Napa corner of old orchard near Aetna Springs Aetna Springs Comment
  CAS-BOT-BC397795  Aquilegia formosa Rimo Bacigalupi 1928-6-20 1865 Napa Howell Mt, 10 miles west of St Helena Comment
  CAS-BOT-BC397792  Aquilegia formosa Betty Johnston 1958-6-15 639 Napa 1/4 the mi. above Mt. Mill House, 6.4 mil SW of Middleton Comment
  CAS-BOT-BC397794  Aquilegia formosa John Thomas Howell 1937-7-4 13058 Napa Wooden Valley Creek Comment
  UC1051669  Aquilegia formosa Peter Kamb and Francia Chisaki 1950-4-22 1757 Napa w side of Wooden Valley on Claifornia Hwy 37 243 Comment
  UCD114143  Arabis modesta Glen Holstein 1979-3-22 s.n. Napa Along south side of State Highway 128 at Monticello Dam. 170 Comment
  JEPS83480  Arabis oregana Jake Ruygt 1986-3-29 1675 Napa Hunting Creek, in Knoxville area Knoxville Comment
  UC1196929  Aralia californica J. P. Tracy 1899-7-6 416 Napa head of Moore's Creek 3 - 4 mi. e. of Angwin's; Howell Mt. 457 Comment
  JEPS40073  Aralia californica Willis L. Jepson 1894-10-14 14139 Napa Calistoga Napa R. Basin, Calistoga Comment
  RSA470446  Aralia californica T. Gertrude Williamson 1924-7-4 s.n. Napa Saint Helena, White Sulphur Springs. Comment
  UC21794  Arbutus menziesii Willis L. Jepson 1894-1 Napa Napa River Basin Comment
  UCSB11771  Arbutus menziesii Haller, John 1961-6-18 Napa Las Posadas State Forest, 1.5 mi. S of Angwin on Howell Mountain Plateau 518 Comment
  CAS-BOT-BC409911  Arceuthobium campylopodum John Thomas Howell 1926-10-3 2204 Napa Mt. 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
  JEPS38624  Arctostaphylos canescens W. L. Jepson 1913-4-15 5311 Napa La Jota Plateau Howell Mountain Comment
  LA28777  Arctostaphylos canescens E. A. Goldman; 1907-12-28 63 Napa Mount Saint Helena 914 Comment
  SD20479  Arctostaphylos canescens H. E. McMinn 1936-4-4 4395 Napa Ridge above R. L. Stephenson's Monument; Mt. St. Helena. Comment
  CAS-BOT-BC23960  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-5-5 11300 Napa Mt. St. Helena Comment
  CAS-BOT-BC23992  Arctostaphylos canescens subsp. canescens Ira L. Wiggins 1949-4-30 12082 Napa On saddle about 1.5 miles from summit of Mount St. Helena. 1066 Comment
  JEPS116573  Arctostaphylos canescens subsp. canescens Jake Ruygt 1977-3-27 162 Napa Mount Saint Helena. 7.5' Detert Reservoir Quad. Comment
  POM125416  Arctostaphylos canescens subsp. canescens Alice Eastwood 1923-5-9 11763 Napa Mount St. Helena Comment
  RSA193978  Arctostaphylos canescens subsp. canescens J. T. Howell 1930-3-23 4563 Napa Crater Country' near Mt. St. Helena. Comment
  RSA70861  Arctostaphylos canescens subsp. canescens J. T. Howell 1930-3-23 4564 Napa Crater Country' near Mt. St. Helena. Comment
  UC763159  Arctostaphylos canescens subsp. canescens R. F. Hoover 1941-4-27 4947 Napa e side Mt. St. Helena Comment
  CAS-BOT-BC23622  Arctostaphylos crustacea Peter H. Raven 1951-6-26 3072 Napa Wooden Valley Grade 304 Comment
  UCD50911  Arctostaphylos glandulosa Amelie Blyth 1952-4-27 6- 8 Napa Along road near top of Mt. Vaca, Napa-Solano County line. Comment
  UCD51055  Arctostaphylos glandulosa Heidi E. M. Dobson 1978-4-8 317 Napa East slope of Mt. Veeder. Comment
  CAS-BOT-BC24864  Arctostaphylos glandulosa subsp. cushingiana Carl B. Wolf 1928-5-4 1861 Napa Upper slopes of Mt. St. Helena Comment
  CAS-BOT-BC23102  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-7-13 5351 Napa Chaparral on the edge of the Crater Country Comment
  SBBG5421  Arctostaphylos glandulosa subsp. glandulosa Milton Workman 1953-3-23 26 Napa Mix Cyn Comment
  UC1120222  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1939-3-18 871 Napa 1 1/2 mi ne Mt. Veeder; Sonoma Quadrangle 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
  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-BC38730  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-5-21 11311 Napa Hills east of Napa Comment
  CAS-BOT-BC38733  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1907-3-29 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC38771  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1919-9-12 s.n. Napa Napa (grade 4 miles NE) Comment
  JEPS38743  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1913-4-15 5319 Napa lower w slopes Howell Mt. Comment
  JEPS78437  Arctostaphylos manzanita subsp. manzanita Edward Lee 1936-3-15 1804 Napa 3/4 mi out Rutherford (Rutherford-Pope Valley road); Rutherford-Pope Valley road Comment
  RSA15676  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1492 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  SBBG5442  Arctostaphylos manzanita subsp. manzanita J. M. Tucker 1941-9-20 396 Napa Putah Cyn, Vaca Range 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
  UC571210  Arctostaphylos manzanita subsp. manzanita H. L. Mason 1925-1-22 1205 Napa Wooden Valley Grade Comment
  UC572658  Arctostaphylos manzanita subsp. manzanita Herbert B. Kaufner 1937-2-26 9 Napa Upper Mill Creek Canyon 335 Comment
  CAS-BOT-BC43862  Arctostaphylos stanfordiana C. Hart Merriam 1906-8-15 s.n. Napa Mt. St. Helena (East side) Comment
  JEPS49566  Arctostaphylos stanfordiana W. L. Jepson 1937-4-9 17997 Napa at cross-rift or rock traverse 1/4 mi below summit; Howell Mt., Adam-and-Eve Ridge Comment
  LA42285  Arctostaphylos stanfordiana Lewis S. Rose; 1939-4-16 39071 Napa 4 mi. NE of Napa 198 Comment
  UC205100  Arctostaphylos stanfordiana Katharine Brandegee Napa Anguins Comment
  UC924271  Arctostaphylos stanfordiana H. S. Reed 1939-4-16 229 Napa Napa Hills Comment
  RSA92780  Arctostaphylos stanfordiana P. H. Raven 1953-2-21 5190 Napa Wooden Valley Grade. 274 Comment
  SEINET8729965 Image available Arctostaphylos stanfordiana Lewis S. Rose 1937-1 37019 Napa Wooden Valley Grade, 8 mi. NE. of Napa. 274 Comment
  UC2026413  Arctostaphylos stanfordiana subsp. stanfordiana Louis C. Wheeler 1952-8-30 6876 Napa MANGANESE RIDGE: Moore Creek, Howell Mountain. Comment
  UCR101766  Arctostaphylos stanfordiana subsp. stanfordiana L. C. Wheeler 1952-8-30 6876 Napa Manganese Ridge: Moore Creek, Howell Mtn Comment
  SEINET9336427  Arctostaphylos viscida Unknown 1994-4-8 11716 Napa Occasional in serpentine chaparral, dominated by Adenostoma and Quercus durata. Approx. 1/2 mi above Aetna Springs resort. Comment
  UCD47966  Arctostaphylos viscida R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 3 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD47967  Arctostaphylos viscida Ari Houser; J. Westbrook, S. Ratay, M. Disney,R. Wolfson,S. Wathen 2000-4-22 32 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd. 1st ridge south of Devilhead Rd. 518 Comment
  UCD52567  Arctostaphylos viscida Beecher Crampton 1970-4-15 8558 Napa north end of Capell Valley, State Hwy. 128. Comment
  UC763118  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1938-9-23 3862 Napa Canyon of south fork of Butts Creek Comment
  UC763150  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1940-8-25 4545 Napa e side Mt. St. Helena Comment
  JEPS38778  Arctostaphylos viscida subsp. viscida W. L. Jepson 1916-8-6 6826 Napa Moore's Creek Howell Mountain Comment
  JEPS58789  Arctostaphylos viscida subsp. viscida W. L. Jepson 1938-5-22 18817 Napa Limekiln Creek Canyon Pope Valley Comment
  UCD118543  Arctostaphylos viscida subsp. viscida Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 404 Comment
  HSC97524  Aristolochia californica Andrew Joseph Eckert 2001-3-3 7 Napa Alston Park, 1.5 mi. N of Redwood Creek Rd. on W side of Napa Valley 122 Comment
  POM224201  Aristolochia californica Annetta Carter 1936-3-15 1040 Napa Conn Creek Canyon, 3.4 miles out of Rutherford on road to Pop Valley, Napa County, Vine trailing over shrub on creek bank Comment
Read comments
Sep 12 2013
  UC1198120  Aristolochia californica Joseph P. Tracy 1933-6-2 12492 Napa along Napa R. e. of St. Helena 76 Comment
  UCD151054  Aristolochia californica P. B. Kaufman 1950-4-28 33 Napa besides Winters-Monticello road, approximately 9.5 miles from Winters near Yolo-Napa county line. Comment
  JEPS35590  Arnica discoidea L. R. Heckard 1964-6-11 1364 Napa along Cal. 121 about 1/2 mi w of the first road summit e of Napa Comment
  UCD161606  Arnica discoidea Jake Ruygt 1999-5-17 4159 Napa Wild Horse Valley Ranch, near Leoma Lakes. 429 Comment
  UCD164773  Arrhenatherum elatius Jake Ruygt 2014-5-19 5947 Napa Sutro Ranch, Atlas Peak. 740 Comment
  JEPS7805  Artemisia californica Peter H. Raven 1952-9-14 5180 Napa hills due e of Yountville 152 Comment
  UC1103507  Asarum caudatum J. P. Tracy 1902-5-21 1596 Napa Head of Moore's Creek, 3-4 miles East of Angwin's 304 Comment
  SEINET198881  Asclepias cordifolia H. E. Cott 1949-6-5 A- 137 Napa Along State Highway 28, Monticello mouth of Putah Canyon. Comment
  JEPS49848  Asclepias eriocarpa W. L. Jepson 1936-7-6 17654 Napa ca. 5 mi s Monticello (where the road from Sage Canyon joins the Napa-Monticello road); Soda Creek Comment
  UCD121348  Asclepias fascicularis D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-25 s.n. Napa Berryessa-Knoxville Road. UC MacLaughlin Nature Reserve. 650 Comment
  UCD170282  Asclepias fascicularis Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 822 Napa Knoxville Wildlife Area, north of Nevada Creek. 496 Comment
  SBBG230  Aspidotis californica E. R. Blakley 1956-12-23 2033 Napa Bells Cyn, 2 mi W of Angwin 457 Comment
  JEPS60031  Aspidotis densa W. L. Jepson 1938-5-22 18815 Napa Limekiln Creek Canyon; Pope Valley 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
  JEPS107256  Astragalus claranus Jake Ruygt 1985-3-30 1582 Napa Conn Valley Rd. along L. Hennessey 97 Comment
  UCD170279  Astragalus clevelandii Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 813 Napa Knoxville Wildlife Area, along Nevada Creek. 471 Comment
  UCD170571  Astragalus clevelandii Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 813 Napa Knoxville Wildlife Area, along Nevada Creek. 471 Comment
  JEPS54652  Astragalus gambelianus Willis L. Jepson 1893-5-2 13753 Napa Pope Valley grade from Calistoga (Napa River Basin); , Pope Valley grade from Calistoga Comment
  UC13438  Astragalus gambelianus Willis L. Jepson 1893-5-2 Napa Pope Valley grade Calistoga (Napa River Basin); , Pope Valley grade fr Calistoga Comment
  JEPS54656  Astragalus gambelianus W. L. Jepson 1924-4-6 10330 Napa Conn Valley Napa Range, Conn Valley (Napa Range, gravelly hillslope) Comment
  UC70374  Astragalus gambelianus Milo S. Baker 1896-5-8 27 Napa near Four Corners; near Four Corners Comment
  CAS-BOT-BC27754  Astragalus rattanii var. jepsonianus John Thomas Howell 1939-4-30 14625 Napa Walter Springs Comment
  JEPS106842  Athysanus pusillus Jake Ruygt 1998-3-21 3887 Napa Intersection of Devilhead Road and Hunting Creek Road 493 Comment
  UCD148789  Athysanus pusillus Ellen Dean; Diana Hickson 2014-4-29 8097 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  JEPS106815  Atriplex joaquinana Jake Ruygt 1991-7-19 2763 Napa south of the end S. Jefferson Street, Napa 1 Comment
  POM290480  Avena fatua Lyman Benson 1931-2-26 2601 Napa Base Mt. St. Helena; Mayacamas; Napa Valley 244 Comment
  UCD18078  Avena fatua Ellen Dean; with PLB 102 class 2000-4-22 634 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  UCD56313  Avena fatua A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3539 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  UCD56374  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3228 Napa Napa Valley. 1 mile south of Rutherford. State Highway 128. Comment
  CAS-BOT-BC98793  Baccharis douglasii Peter H. Raven 1955-8-27 8760 Napa Cuttings Wharf 3 Comment
  UC1222975  Baccharis pilularis Joseph P. Tracy 1948-11-15 18258 Napa near, on Silverado Trail e side of Napa Valley St. Helena Comment
  CDA11627  Baccharis salicifolia G. F. Hrusa, S. Larson 1995-4-1 12055 Napa North Coast Biodiversity Arena; along Chiles Valley-Pope Valley Rd. approx 2 miles E of Lake Hennessey. Comment
  UCD112239  Barbarea Christopher Mallek 2008-5-12 AS2- 4 Napa Aetna Springs. 668 Comment
  CAS-BOT-BC16533  Barbarea orthoceras John Thomas Howell 1931-4-2 6065 Napa Wooden Valley Grade 5 miles east of Napa. Comment
  UC552234  Barbarea orthoceras Joseph P. Tracy 1933-4-30 12111 Napa La Jota Palteau, Howell Mountain, on hills head of Moore's creek, 3-4 miles East of Angwin's 518 Comment
  UCD19929  Barbarea orthoceras E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 785 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 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
  UCR267445  Barbarea vulgaris Catherine Koehler 2012-5-23 s.n. Napa McLaughlin UC Reserve; Hunting Creek between Hunting Creek Campground and contractor road 366 Comment
  UCD18172  Bellardia trixago 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
  JEPS47706  Berberis aquifolium Willis L. Jepson 1893-5-3 Napa near Toll-house (Middleton grade); Mt. St. Helena Comment
  JEPS106877  Berberis aquifolium var. dictyota Jake Ruygt 1981-7-23 1081 Napa north of Berryessa Peak, Blue Ridge 731 Comment
  JEPS115690  Bergia texana Lowell Ahart 2009-10-27 16485 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  JEPS122698  Berula erecta Jake Ruygt 1979-7-24 771 Napa 0.5 miles east of Flosden Road on American Canyon Road. Quad: Cordelia. Comment
  UCD114362  Boechera breweri Robert E. Preston 1987-6-20 570 Napa E side of Putah Creek ca. 3500 ft s of its confluence with Hunting Creek. 243 Comment
  UCD74382  Boechera breweri Jake Ruygt 2006-4-29 5005 Napa Near Palisades Trail, S of Table Rock. Detert Reservoir. 606 Comment
  CAS-BOT-BC15945  Boechera breweri subsp. breweri David D. Keck 1933-5-29 2360 Napa Pope Creek Bridge south of Walters Springs. Comment
  UCD161759  Boechera breweri subsp. breweri Jake Ruygt 1998-3-28 3893 Napa The Beehive, Rattlesnake Ridge. 762 Comment
  UC420469  Boykinia occidentalis H. P. Chandler 1907-5-30 7596 Napa White Sulphur Spr. St. Helena (St. Helena); White Sulphur Spr. Comment
  JEPS106778  Brassica nigra Jake Ruygt 1996-6-24 3760 Napa Jamieson Vineyards, Jameson Canyon. 79 Comment
  RSA0125931  Brassicaceae Keith E. Hoffmaster 1946-3-23 1117 Napa Napa range, along Napa-Monticello road Comment
  CAS-BOT-BC106268  Brickellia californica John Thomas Howell 1927-8-24 3047 Napa In bed of Pope Valley Creek between Walter's Springs and Samuel's Springs, Napa Range Comment
  JEPS18631  Brickellia californica W. L. Jepson 1934-10-19 16905 Napa near the bridge over Napa River between St. Helena (town) and St. Helena Sanitarium St. Helena; Napa River Comment
  CAS-BOT-BC145367  Briza minor John H. Thomas 1955-5-21 5132 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  JEPS7654  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-24 7665 Napa near Toll House; Mount Saint Helena Comment
  UCD139166  Brodiaea elegans subsp. elegans L. P. Thibault 1995-6-2 55 Napa South side of Hwy 128 approx. 0.5 mi. west of junction with Hwy 121. 275 Comment
  JEPS7659  Brodiaea elegans subsp. elegans W. L. Jepson 1893-6-24 Napa near Napa; Lower Napa Valley Comment
  CAS-BOT-BC484194  Brodiaea elegans var. elegans James L. Reveal 1987-6-7 6407 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 243 Comment
  CAS-BOT-BC484195  Brodiaea elegans var. elegans Alice Eastwood 1915-6-5 4648 Napa Calistoga on hills Comment
  CAS-BOT-BC484200  Brodiaea elegans var. elegans Belle Richardson Jackson 1930-6-8 s.n. Napa On old toll road below Patten's Mt. St. Helena region Comment
  JEPS110912  Brodiaea leptandra Jake Ruygt 1982-7-18 1372 Napa Deer Park Rd. at Four Corners 414 Comment
  UCD77156  Brodiaea leptandra Robert E. Preston 2002-6-17 1820 Napa Ca. 1.6 mi sw of Pope Valley, along Ink Grade, 0.36 mi n of its jct with Howell Mtn Rd. 518 Comment
  UCD60269  Bromus Beecher Crampton 1961-6-12 5902 Napa 7 miles northeast of Napa; Howell Mountains, summit of State Hwy. 37. 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
  SACT000507  Bromus carinatus John Willoughby 1976-5-18 Napa not far below top, latitude about that of Mount Vaca, with Quercus agrifolia and Pinus sabiniana 609.6 Comment
  UCD148836  Bromus carinatus Ellen Dean; Diana Hickson 2014-4-29 8141 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  UCD57979  Bromus carinatus Beecher Crampton 1956-5-25 3482 Napa Howell Mtns. Above Wooden Valley. Comment
  UCD58297  Bromus carinatus Beecher Crampton 1956-5-25 3457 Napa Head of Markley Canyon. Vaca Mtns. Comment
  SEINET238874 Image available Bromus carinatus var. carinatus Beecher Crampton 1956-5-25 3464 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  JEPS123011  Bromus diandrus Jake Ruygt 1992-5-20 2991 Napa West of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mount George. Comment
  JEPS76085  Bromus hordeaceus W. L. Jepson 1938-5-22 18814 Napa Pope Valley, Limekiln Creek Canyon Limekiln Creek Canyon; Pope Valley, Limekiln Creek Canyon Comment
  CAS-BOT-BC155330  Bromus laevipes Peter H. Raven 1952-5-31 4151 Napa West of Rector Dam. 182 Comment
  CDA31339  Bromus laevipes D. G. Kelch 2010-5-6 10 .174 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD58612  Bromus laevipes Jack A. Thiel 1955-5-21 s.n. Napa About 10 miles south of Knoxville. Monticello-Lower lake Road. Comment
  UCD58878  Bromus laevipes Collector unknown 1941-6-1 Napa Road from Napa to Locoya. Comment
  UCD58901  Bromus laevipes Beecher Crampton 1957-6-4 4107 Napa Above Capell Creek. North end of Capell Valley. Comment
  UCD58930  Bromus laevipes Beecher Crampton 1957-6-4 4108 Napa Above Capell Creek. North end of Capell Valley. Comment
  UCD58968  Bromus madritensis Beecher Crampton 1962-5-16 6441 Napa 3 miles SW of Monticello Dam. Vaca Mtns. Markley Canyon. Along State Hwy. 128. Comment
  JEPS123003  Bromus madritensis subsp. rubens Jake Ruygt 1977-4-9 182 Napa Mount George. Quad: Mount George. Comment
  CAS-BOT-BC161828  Bromus rubens David L. Morgan 1961-5-16 s.n. Napa Napa. Cemetary. Comment
  UCD59601  Bromus rubens David L. Morgan 1961-5-16 s.n. Napa Napa Cemetery, Napa. Comment
  JEPS123002  Bromus sterilis Jake Ruygt 1994-4-26 3361 Napa Pope Valley (Juliana Vineyard); north of Barnett Road. Quad: Aetna Springs. Comment
  UCD59713  Bromus sterilis Beecher Crampton 1964-5-12 6950 Napa 2 miles north of Calistoga, State Hwy. 128, jct. Tubbs Lane. Comment
  RSA115462  Calamagrostis ophitidis Beecher Crampton 1957-5-16 4045 Napa Above Capell Creek, north end of Capell Valley Comment
  UCD37684  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  UCD159921  Calandrinia breweri 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
  UCR12093  Calendula arvensis Coleta A. Lawler 1964-3-24 12 Napa Junction of Redwood Rd and Browns Valley Rd Comment
  UCD147462  Callitriche marginata Ellen Dean; Diana Hickson 2014-4-29 8075 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD139461  Calochortus albus R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  CAS-BOT-BC488486  Calochortus amabilis John H. Thomas 1955-5-21 5119 Napa Sarco Creek drainage, near State Highway no. 37, about 6 miles from Napa 274 Comment
  POM222010  Calochortus amabilis W. C. Merrill 1895-06 SN Napa Calistoga Comment
  UC1300907  Calochortus amabilis Helen K. Sharsmith 1963-4-20 5344 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD139484  Calochortus amabilis Bill Wengeler 1995-4-16 s.n. Napa approximately 5 miles north of Hwy 128 along Knoxville Road. 146 Comment
  UCD48262  Calochortus amabilis R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 4 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD73382  Calochortus amabilis 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
Nov 1 2011
  UCD73425  Calochortus amabilis Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC488483  Calochortus amabilis David D. Keck 1931-4-2 1019 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE, of Napa. 170 Comment
  RSA52662  Calochortus amabilis I. L. Wiggins 1949-4-30 12075 Napa Along old toll road between Calistoga and Middletown, about 1.5 mi NE of Calistoga. Comment
  UCD40875  Calochortus amabilis Judy Force 1984-4-21 s.n. Napa Near Lake Berryessa. Comment
Read comments
Oct 15 2010
  UCD73515  Calochortus luteus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 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
  CAS-BOT-BC492545  Calochortus luteus Wayne Roderick 1967-5-20 s.n. Napa Snell Valley 457 Comment
  JEPS61687  Calochortus luteus W. L. Jepson 1943-5-15 20773 Napa 2 mi n Oak Grove School; Berryessa Valley Comment
  RSA49079  Calochortus luteus Verne Grant, Alva Grant 1949-5-22 8723 Napa Along Wooden Valley Road ca. 18 miles from Napa Comment
  UCD139531  Calochortus luteus M. Ensign 1943-5-28 322 Napa 21 miles from Monticello on road to Lower Lake. Comment
  SEINET3992203  Calochortus uniflorus Unknown 1957-5-5 10736 Napa Field near the hot springs at the airport, Calistoga Comment
  UCD167101  Calochortus vestae Jake Ruygt 2015-6-20 6139 Napa Missimer - Snell Valley Preserve. 175 Comment
  UC1876264  Calycadenia fremontii Gerald D. Carr 1972-9-14 734 Napa 1.5 mi E of Howell Mt. Rd. on Conn Valley Rd. 121 Comment
  CAS-BOT-BC270617  Calycadenia multiglandulosa H. P. Chandler 1907-7-19 7603 Napa Howell Mountain Comment
  SEINET3147523  Calycadenia multiglandulosa H. P. Chandler 1907-7-19 7603 Napa Howell Mt. Comment
  UC126853  Calycadenia multiglandulosa H. P. Chandler 1907-7-19 7603 Napa Howell Mt. Comment
  UCD69063  Calycadenia multiglandulosa P. Rodriguez-Rojo 1997-5-31 Napa Butts Canyon Rd. Serpentine barrens. UTM: 10SEN4882 285 Comment
  CAS-BOT-BC270830  Calycadenia pauciflora Gerald D. Carr 1971-8-6 616 Napa Lower Chiles Valley Road, 1.3 miles N of Highway 128 Comment
  JEPS129108  Calycadenia pauciflora Jake Ruygt 2015-6-15 6136 Napa Southwest of Buck Mountain. Knoxville 7.5' Quad. Comment
  UCR23720  Calycadenia truncata John C. Roos 1939-7-16 254 Napa North Coast Range, Palisades, Napa Range near Calistoga 823 Comment
  JEPS120378  Calycadenia truncata Jake Ruygt 2004-7-31 4634 Napa Buzzards Roost, east of Stags Leap Comment
  JEPS40318  Calycanthus occidentalis Alice King Jul 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  POM210622  Calycanthus occidentalis Joseph A. Ewan 1933-9-17 8010 Napa Mt. St. Helena summit road 2.5 miles out of Calistoga. Comment
  RSA1008  Calycanthus occidentalis J. T. Howell 1927-8-23 680 Napa Sage Canon, Napa Range. 91 Comment
  SBBG2303  Calycanthus occidentalis H. E. Cott 1949-5-22 A- 127 Napa St Hwy 37, ca. 15 mi N of Napa Comment
  SEINET12093077  Calycanthus occidentalis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -332 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  HSC74291  Calyptridium monospermum D. Goforth 1980-4-11 427 Napa Near Cedar Creek 579 Comment
  RSA710254  Calystegia collina R. K. Brummitt, Adrian Wolf, R. W. Howe 1998-5-15 19851 Napa Calistoga, Butts Canyon 0.5 km from Snell Valley turn-off 350 Comment
  UCSB4982  Calystegia collina Kamb, Peter; Chisaki, Francia 1958-4-22 Napa Sage Creek, ca. 3 miles east of Chiles Valley 304 Comment
  CAS-BOT-BC221553  Calystegia collina subsp. collina R. K. Brummitt; A. Wolf; R. W. Howe 1998-5-15 19849 Napa 17 km NE of Calistoga, Butts Canyon 2 km S of Snell Valley turn-off 400 Comment
  JEPS31603  Calystegia collina subsp. collina W. L. Jepson 1938-5-24 18841 Napa Howell Mtn. Comment
  JEPS120397  Calystegia occidentalis Jake Ruygt 1985-5-18 1597 Napa Foss Valley Comment
  UCD126140  Calystegia occidentalis M. Ensign 1943-5-28 315 Napa About 12 miles from Monticello on road to Lower Lake. Comment
  UCD14591  Calystegia occidentalis subsp. occidentalis Dean R. Donalson 1984-6-1 s.n. Napa California, Napa Co.; city of Napa Comment
  CDA33512  Calystegia purpurata subsp. purpurata Dale Woods, V. Popescu 2010-6-28 Napa Along Devilshead-Knoxville Road. Comment
  JEPS126103  Calystegia purpurata subsp. purpurata Jake Ruygt 1978-5-14 313 Napa 0.6 miles N of Oakville Cross Road on Silverado Trail. Yountville 7.5' Qua. Comment
  OBI15298  Calystegia purpurata subsp. purpurata R. L. Hoover 1968-4-20 56 Napa NE of jctn of Aetna Springs, Pope Valley, and Butts Cayn roads Comment
  UCD159937  Calystegia purpurata subsp. purpurata Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  JEPS106400  Calystegia subacaulis subsp. subacaulis Jake Ruygt 1987-5-16 1990 Napa Bismark Knob 563 Comment
  UCD114109  Camelina sativa J. C. Sweet 1917-5-3 s.n. Napa Napa County. Comment
  HSC43993  Camissonia hirtella Robert M. Specht 1977-4-15 668 Napa Near edge of Rd. to Adams Creek 409 Comment
  UCR12056  Camissonia ovata Coleta A. Lawler 1964-3-24 7 Napa Buhman Avenue, 0.2 mi north of junction with Henry Road 8 Comment
  UC1196942  Camissoniopsis hirtella J. P. Tracy 1902-5-16 1508 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 365 Comment
  UCSB4470  Camissoniopsis intermedia Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Cape 11 Valley, 3.2 miles west of junction of the road with California Highway #37 213 Comment
  JEPS106556  Campanula angustiflora Jake Ruygt 1989-5-13 2326 Napa Vaca Mtns. about 1 mile north of Mt.Vaca 798 Comment
  JEPS101436  Campanula griffinii Dean W. Taylor 1998-6-18 16676 Napa ridge dividing Butts Canyon and Spanish Valley 502 Comment
  SEINET10463187  Campanula prenanthoides Grummer 1979-6-21 GRUMMER 1250 Napa NR BOTHE NAPA VALLEY STATE PARK, ON CALISTOGA QUAD., NR CALISTOGA 1001 Comment
  UC168960  Campanula prenanthoides Joseph P. Tracy 1905-7-6 2223 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  UCD48678  Capsella bursa-pastoris Kook-Hyun Chung; J. Deusterman and C. Ineich M. Hauselt 2001-4-28 15 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd., N of jct with S. Decker Canyon Rd. 182 Comment
  CAS-BOT-BC37589  Cardamine californica Milo S. Baker 1931-4-2 5134 Napa 8 miles from Monticello along Pope Creek. Comment
  UCD19933  Carduus pycnocephalus E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 791 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD35854  Carduus pycnocephalus Beecher Crampton 1965-5-13 7337 Napa ca. 3 miles southeast of Calistoga, Silverado Trail. Comment
  CAS-BOT-BC281732  Carduus pycnocephalus Betty H. Johnson 1958-6-15 627 Napa 6.4 miles SW of [unreadable] Comment
  CAS-BOT-BC281734  Carduus pycnocephalus Thomas H. Kearney 1948-5-22 s.n. Napa Roadside near Napa Comment
  OBI4703  Carduus pycnocephalus T. C. Fuller 1959-5-15 2432 Napa Fanner Prop., Sanitarium area Comment
  UCD161692  Carex amplifolia Jake Ruygt 2010-5-16 5558 Napa Mt. George, near Foote Botanical Preserve trailhead. 304 Comment
  CAS-BOT-BC19171  Carex barbarae Peter H. Raven 1950-5-6 2038 Napa South limits of Calistoga. On Rt. 28. 60 Comment
  JEPS75641  Carex barbarae W. L. Jepson 1936-5-30 17560 Napa Rutherford, Napa Valley Comment
  POM118371  Carex densa Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SEINET11052782  Carex densa Ellen Dean, Clare Loughran 2011-5-20 7064 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road, west of town of St. Helena. 615 Comment
  UCD140261  Carex densa K. Esau 1935-5-5 s.n. Napa near Petrified Forest, Calistoga. Comment
  UCD148832  Carex densa Ellen Dean; Diana Hickson 2014-4-29 8137 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  UCD161705  Carex densa Jake Ruygt 2010-6-21 5617 Napa Highway 29 just south of Heitz Way, south side of road. (Coordinates converted from UTM by label maker.) 94 Comment
  CAS-BOT-BC18901  Carex densa Betty H. Johnson 1958-6-20 646 Napa At Mt. Mill House, 6.4 miles SW of Middletown. Comment
  UC577192  Carex densa Lewis S. Rose 1935-6-4 35205 Napa e slope Mt. St. Helena Comment
  UCD161704  Carex densa Jake Ruygt 2010-6-5 5596 Napa Moskowite Corner, Highway 128 and 121. 252 Comment
  JEPS121349  Carex dudleyi Jake Ruygt 1996-4-20 3619 c Napa Jameson Canyon Vineyards entry road. Comment
  JEPS63727  Carex feta W. L. Jepson 1918-6-24 7666 Napa half way to tollhouse from Calistoga; Mt. St. Helena, Silverado 109 Comment
  CAS-BOT-BC28414  Carex gracilior Peter H. Raven 1951-6-26 3047 Napa Saro Creek E of Napa. 60 Comment
  CAS-BOT-BC32052  Carex multicaulis Alice Eastwood 1922-5-4 1283 Napa In woods, Mt. St. Helena. Comment
  CAS-BOT-BC32123  Carex multicaulis John Thomas Howell 1926-3-28 1768 Napa St. Helena Creek near Patten's Comment
  JEPS121345  Carex multicaulis Jake Ruygt 1979-4-14 512 Napa Aetna Mine Road Comment
  JEPS121337  Carex nudata Jake Ruygt 1993-4-3 3179 Napa Little Bear Valley, along drainage leading in from the W. Comment
  SEINET10711629  Carex nudata Alice Eastwood, John Thomas Howell 1937-4-4 Eastwood 3826 Napa Rocky stream-bed near summit north of Wooden Valley. Comment
  UC2043155  Carex praegracilis Barbara Ertter with Jake Ruygt 1996-4-25 14603 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  CAS-BOT-BC117621  Carex serratodens Beecher Crampton 1957-4-22 3942 Napa Along new section Hwy 128, above Capell Creek, N end of Capell Valley. Comment
  RSA115537  Carex serratodens Beecher Crampton 1957-4-22 3942 Napa Along new section Highway 128, above Capell Creek, north end of Capell Valley. Comment
  UCD63854  Carex serratodens Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road from Morgan Valley Road. 650 Comment
  UC1152049  Carex serratodens Joseph P. Tracy 1949-4-22 18286 Napa e St. Helena; Conn Valley Reservoir Comment
  UC1023493  Carex subfusca Peter H. Raven 1951-6-10 2929 Napa e Palisades; Crater Region 762 Comment
  CAS-BOT-BC116770  Carex subfusca Betty H. Johnson 1959-6-20 646 A Napa At waters edge of stream at Mt. Mill House, 6.4 mi SW of Middletown. Comment
  UCD141172  Carex subfusca L. S. Rose 1935-6-4 s.n. Napa Mt. Helena. Comment
  UCD161586  Carex tumulicola Jake Ruygt 2008-4-24 5304 -e Napa center divide of Highway 221 about 1/4 mile north of Highway 29 intersection. 30 Comment
  UCD161634  Carex tumulicola Jake Ruygt 2005-3-20 4707 Napa Alston Park, Dry Creek Road, Napa. 45 Comment
  CDA6964  Carthamus lanatus T. C. Fuller 1961-6-15 6337 Napa F. J. Tamangi property, west of Silverado Trail, 0.5 mile north of Larkmead Lane, ca. 2 miles southeast of Calistoga. 0 Comment
  OBI4705  Carthamus lanatus T. C. Fuller 1961-6-15 6337 Napa F.J. Tamangi prop, W of Silverado Trl, 0.5 mi N of Larkmead Ln, ca 2 mi SE of Calistoga Comment
  RSA296388  Castilleja affinis W. L. Jepson 1938-5-24 18839 Napa Near Four Corners, Howell Mountain. Comment
  JEPS110636  Castilleja affinis subsp. affinis Jake Ruygt 2001-3-31 4303 Napa ridge between Newell and American Canyon; Newell Open Space 198 Comment
  JEPS54488  Castilleja affinis subsp. affinis Robert Cruden 1967-5-27 1247 Napa 3 mi ne Angwin (Ink Grade) 487 Comment
  JEPS29588  Castilleja affinis subsp. affinis Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8445 Napa .33 air mi se Atlas Peak (along Atlas Peak road, about 0.25 mi s of end of public road) 670 Comment
  JEPS35589  Castilleja affinis subsp. affinis L. R. Heckard 1964-6-11 1365 Napa 1.3 mi sw Calif. Hwy. 121 junction with Wooden Valley road (along Calif Hwy 121, above Wooden Valley) Comment
  JEPS122742  Castilleja ambigua var. meadii Jake Ruygt 2011-5-28 5796 Napa West of Atlas Peak Road, 0.6 mi SW of Foss Valley. Quad: Yountville. Comment
  JEPS4856  Castilleja applegatei subsp. martinii Peter H. Raven 1953-5-2 5394 Napa Summit of hills due east of Yountville Comment
  UC1001198  Castilleja applegatei subsp. martinii Peter H. Raven 1953-5-2 5394 Napa Summit of hills due e. of Yountville Comment
  JEPS4836  Castilleja applegatei subsp. martinii Rimo Bacigalupi and J. R. Sweeney 1953-5-26 4127 Napa 1.7 mi s (below) State Highway 29 from Calistoga to Middletown road summit (along State Highway 29) 487 Comment
  JEPS88836  Castilleja applegatei subsp. martinii T. I. Chuang and F. M. Chuang 1991-6-23 7835 Napa near summit between Calistoga and Middletown Comment
  JEPS9970  Castilleja attenuata W. L. Jepson 1944-5-21 27528 Napa w base Adam-and-Eve Ridge; Howell Mountain Comment
  UC124333  Castilleja attenuata C. F. Baker 1903-4-19 1993 Napa Calistoga Comment
  UCD148821  Castilleja attenuata Ellen Dean; Diana Hickson 2014-4-29 8126 a Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  UCD122315  Castilleja attenuata K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  JEPS9411  Castilleja densiflora subsp. densiflora W. W. Mott 1915-4-26 3 Napa Napa, hills sw Napa Comment
  JEPS17096  Castilleja exserta subsp. exserta Rimo Bacigalupi with John Dawson 1955-4-25 4845 Napa junction of State Highway 37 State Highway 128 ((Soda Creek and Conn Creek roads)); Inner North Coast Ranges 112 Comment
  CHSC83409  Castilleja foliolosa L. P. Janeway; B. Castro 2002-5-12 7533 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  JEPS110654  Castilleja foliolosa Jake Ruygt 1977-5-3 213 Napa 3.5 miles north of Monticello Rd. on Atlas Peak Rd 219 Comment
  POM15474  Castilleja foliolosa C. F. Baker 1903-4-20 2630 Napa Mt. St. Helena. Comment
  CAS-BOT-BC241283  Castilleja latifolia Peter H. Raven 1952-5-31 4155 Napa Rector Dam 152 Comment
  UC1537565  Castilleja minor subsp. spiralis Gordon H. True Jr. 1937-7-30 825 Napa near Aetna Springs 365 Comment
  UC1238994  Castilleja minor subsp. spiralis Freed W. Hoffman 1946-8-21 869 Napa near Morgan Valley (on the Knoxville Road, Hunting Creek, Napa-Lake county line); North Coast Ranges, Hunting Creek Comment
  UC1607995  Castilleja minor subsp. spiralis Donald G. Nelson 1940-8-7 707 Napa about 3 mi nw Knoxville (at the sign of Harrison Mines); Coast Range Mountains Comment
  UCD170747  Castilleja pruinosa 1997-4-27 2 Napa Underneath a tree, on a mild slope. 0.6 miles east of the Yolo county line on Highway 128, on the slope next to a large turnout on Highway 128. Collector described locality as Napa County, but 0.6 miles E of the Yolo county line is in Yolo County. 295 Comment
  JEPS100900  Castilleja rubicundula subsp. lithospermoides Dean W. Taylor 1998-5-14 16435 Napa Pope Canyon, along Pope Canyon Road at crossing of Pope Creek, northerly facing roadbank 100 meters west of the bridge 198 Comment
  UC1222458  Castilleja rubicundula subsp. lithospermoides Joseph P. Tracy 1933-6-2 12485 Napa 3-4 mi e Angwin's (on hills at Head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Head of Moore's Cree 365 Comment
  JEPS41078  Castilleja rubicundula subsp. rubicundula Rimo Bacigalupi, and L. R. Heckard 1965-5-16 9099 Napa ca 7 mi se Knoxville (at the head of Devilhead Road, at center of Cedar Valley); Cedar Valley 579 Comment
  CAS-BOT-BC48944  Ceanothus cuneatus Frank A. Leach 1921-3-1 s.n. Napa hills back of Napa asylum Comment
  RSA41954  Ceanothus cuneatus H. C. Cantelow 1936-3-22 1139 Napa Howell Mt. Comment
  UC1607873  Ceanothus cuneatus C. G. Nast 1936-3-27 57 Napa Berryessa Valley Comment
  UCD111789  Ceanothus cuneatus D. S. Totah 1948-3-18 8 Napa Putah Canyon. Comment
  UCD95690  Ceanothus cuneatus Ellen Dean; with Clare Loughran 2011-5-20 7036 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-BC49114  Ceanothus cuneatus var. ramulosus Elizabeth Mrs. Wright 1922-4-1 s.n. Napa Near Calistoga Comment
  CAS-BOT-BC49794  Ceanothus divergens Carl B. Wolf 1928-5-4 1854 Napa Mt. St. Helena Comment
  CAS-BOT-BC49799  Ceanothus divergens John Thomas Howell 1941-4-5 16160 Napa Franz Valley Comment
  CAS-BOT-BC49806  Ceanothus divergens Milo S. Baker 1939-3-22 9243 Napa 1.1 mi. west of Calistoga-Napa hgwy. at a point 1.1 mi. south of Calistoga Comment
  CAS-BOT-BC49808  Ceanothus divergens Milo S. Baker 1939-3-22 9243 Napa 1.1 mi. west of Calistoga-Napa hgwy. at a point 1.1 mi south of Calistoga Comment
  POM136487  Ceanothus divergens Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena. Comment
  POM304578  Ceanothus divergens J. T. Howell 1941-4-5 s.n. Napa Franz Valley Comment
  SJSU14047  Ceanothus divergens C. L. Schmidt 1987-2-27 1136 Napa Kortum Canyon Rd c. 2 mi SE of Calistoga 298 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
  OBI10525  Ceanothus foliosus Lewis S. Rose 1964-4-2 64018 Napa 2 mi SW of Angwin 244 Comment
  UC1005687  Ceanothus foliosus Frank W. Gould 1939-4-6 597 Napa 5 mi e Napa (just n of Mt. George.) 228 Comment
  UC1070630  Ceanothus foliosus A. Lewis 1932-5-13 72 Napa Dry Creek Napa quad. 213 Comment
  UC79976  Ceanothus foliosus C. C. Parry 1881-1 Napa Calistoga Comment
  UCD149683  Ceanothus foliosus Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  UCD162121  Ceanothus foliosus Dylan O. Burge 2014-3-15 1499 Napa Mount Saint Helena. 755 Comment
  CAS-BOT-BC50911  Ceanothus foliosus var. foliosus Alice Eastwood 1923-5-9 11746 Napa Calistoga Comment
  UCD95694  Ceanothus foliosus var. foliosus Ellen Dean; with Clare Loughran 2011-5-20 7041 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  RSA168970  Ceanothus incanus Billy Smith 1962-5-24 27 Napa 2 miles NNW of St. Helena Lookout. 747 Comment
  CAS-BOT-BC50789  Ceanothus integerrimus H. E. McMinn 1922-1-1 388 Napa Between Aetna Springs and Middletown Comment
  UC80040  Ceanothus integerrimus Katharine Brandegee June 1889 Napa Toll House Mt. St. Helena Comment
  UCD169651  Ceanothus integerrimus Jake Ruygt 2010-5-6 5546 Napa Snell Valley Road ant [sic] Butts canyon Rd. 198 Comment
  CAS-BOT-BC50634  Ceanothus jepsonii Joseph P. Tracy 1902-5-21 1593 Napa Howell Mountain, on hills at head of Moore's Creek, 3-4 miles east of Angwin's 365 Comment
  CAS-BOT-BC50639  Ceanothus jepsonii C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  JEPS20109  Ceanothus jepsonii W. L. Jepson 1915-12-6 6589 Napa Howell Mt. Comment
  UCD149666  Ceanothus jepsonii 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
  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
  JEPS20110  Ceanothus jepsonii var. albiflorus W. L. Jepson 1915-4-23 6263 Napa Chiles Creek hills Napa Range Comment
  JEPS79564  Ceanothus jepsonii var. albiflorus Edward Lee with A. Carter and E. Crum 1936-3-15 1819 Napa Butt's Canyon Comment
  JEPS42435  Ceanothus jepsonii var. jepsonii W. L. Jepson 1924-4-27 10321 Napa a little below Toland House on Sanitarium Road Howell Mt. 548 Comment
  UCD170194  Ceanothus oliganthus var. oliganthus Daniel Potter 2015-3-14 763 Napa Knoxville Wildlife Area, southwest of Zim Zim Falls trailhead. 282 Comment
  CAS-BOT-BC51564  Ceanothus oliganthus var. sorediatus H. E. McMinn 1923-5-25 974 a Napa Between Wooden Valley and Monticello Comment
  UCD112309  Ceanothus oliganthus var. sorediatus Beecher Crampton 1970-4-15 8563 Napa North end of Capell Valley State Hwy. 128. Comment
  UCD112326  Ceanothus oliganthus var. sorediatus J. E. Street 1950-4-24 s.n. Napa 8 miles north of Wooden Valley. Comment
  UCD112327  Ceanothus oliganthus var. sorediatus J. E. Street 1950-4-24 s.n. Napa 8 miles north of Wooden Valley. Comment
  UCD49124  Ceanothus oliganthus var. sorediatus S. Murphy; K. Keck and K. Dyer 2002-5-5 10 Napa Quail Ridge UC Reserve, northern tip of ridge, along northern edge of upper road leading to power lines and tip parcels, NE from the intersection of West and East roads ca. 450m. 327 Comment
  CAS-BOT-BC53223  Ceanothus parryi Alice Eastwood 1915-6-6 4657 Napa Mt. St. Helena Comment
  RSA293544  Ceanothus parryi C. W. Tilforth 1979-3-22 1855 Napa along Wooden Valley road, NE of Napa Comment
  SBBG68834  Ceanothus parryi M. Van Rensselaer 1938-4-26 Napa Wooden Valley Grade Comment
  UC18404  Ceanothus parryi Edw. L. Greene 1892-4-23 Napa Calistoga Comment
  UC338132  Ceanothus parryi C. C. Parry 1888-1 Napa Calistoga Comment
  RSA52656  Ceanothus prostratus var. occidentalis I. L. Wiggins 1949-4-30 s.n. Napa 1.5 miles from summit of Mt St. Helena 1067 Comment
  CAS-BOT-BC52192  Ceanothus purpureus s.n. Napa unspecified Comment
  RSA22070  Ceanothus purpureus L. S. Rose 1939-4-16 s.n. Napa 4 miles NE of Napa. 198 Comment
  UC870642  Ceanothus purpureus John Thomas Howell 1937-7-4 13062 Napa Wooden Valley Grade Comment
  UCD112677  Ceanothus purpureus Beecher Crampton 1963-9-25 6907 Napa Summit Howell Mtns. State Hwy. 37 east of Napa. Comment
  UCSB40793  Ceanothus purpureus Haller, John 1979-5-4 Napa Mead Ranch, near Atlas Peak Road, about 5 miles (by road) north of State Highway 121 and 9 miles north of Napa 487 Comment
  SEINET12210810  Ceanothus purpureus W. Knight, Knight, I. 1982-1 4658 Napa Tilden Botanic Garden, Berkeley Comment
  JEPS110661  Ceanothus sonomensis Jake Ruygt 1984-3-31 1523 Napa Devil's Canyon, Bismark Knob 624 Comment
  UC521698  Ceanothus velutinus Joseph Andorfer Ewan 1933-9-17 8002 Napa near Stevenson monument; Mt. St. Helena 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
  UCD130047  Centaurea melitensis Charles B. Heiser Jr. 1947-5-17 1909 Napa 5 miles southwest of Monticello in road to St. Helena. Comment
  UCD159905  Centaurea solstitialis Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. G. 59 in disturbed southwest corner. 243 Comment
  NY444421  Centaurea solstitialis A. D. E. Elmer 07 1903 4943 Napa Napa Comment
  JEPS120433  Centaurium davyi Jake Ruygt 2010-5-31 5576 Napa Mead Ranch, in large meadow with vernal pools. Comment
  JEPS106534  Centaurium muehlenbergii Jake Ruygt 1995-7-12 3515 Napa about 2 miles south of Lake Hennessey on private drive (Taylor 432 Comment
  UCD170454  Centaurium tenuiflorum Daniel Potter; Ninh Khuu 2016-6-8 883 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  UCD83404  Centaurium tenuiflorum Jake Ruygt 2004-10-10 4682 Napa 0.1 mi N of Wine Country Rd. on Solano Ave. 22 Comment
  JEPS38152  Centromadia fitchii W. L. Jepson 1930-10-19 15688 Napa Pope Valley 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
  JEPS106655  Centromadia parryi subsp. parryi Jake Ruygt 1992-9-5 3139 Napa Tubbs Lane at Myrtledale Rd., Calistoga 122 Comment
  JEPS12603  Centromadia parryi subsp. parryi R. F. Hoover 1941-8-24 5578 Napa near Calistoga; Myrtledale Hot Springs Comment
  SBBG36844  Centromadia parryi subsp. parryi D. D. Keck, J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi N of center of town at the geysers Comment
  UC762611  Centromadia parryi subsp. parryi R. F. Hoover 1941-8-24 5578 Napa near Calistoga; Myrtledale Hot Springs Comment
  UC89053  Centromadia parryi subsp. parryi T. S. Brandegee 1892-8-1 Napa Calistoga Comment
  JEPS112623  Centunculus minimus Jake Ruygt 1986-5-24 1782 Napa Pope Canyon Rd. at large vernal pool 187 Comment
  UCD17984  Cerastium glomeratum Ellen Dean; with Plant Biology 102 class 2001-4-14 710 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. At junction of West Loop Rd. and Decker Bay Trail. 152 Comment
  UCD98040  Cerastium glomeratum K. Esau 1939-5-1 s.n. Napa Napa Valley. Comment
  CAS-BOT-BC179386  Cercis occidentalis H. E. McMinn 1922-6-8 206 Napa Along Pope Creek in the canyon (not in the upper flats) by Pope Valley. Comment
  JEPS107195  Cercis occidentalis Jake Ruygt 1997-3-18 3809 Napa Conn Valley Road, 2 miles east from Silverado Trail 146 Comment
  LA45606  Cercis occidentalis Ethel Crum; 1937-8-8 1956 Napa Putah Creek Canyon, 7 mi. SE of Monticello Comment
  RSA3293  Cercis occidentalis D. D. Keck 1931-4-3 1062 Napa Pope Creek Canyon, 8 miles NW of Monticello Comment
  UC1540471  Cercis occidentalis Ethel Crum 1937-8-8 1956 Napa 7 mi se Monticello; Putah Creek Canyon Comment
  UC588162  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
  SEINET10451038  Cercis occidentalis John T. Middleton 1936-3-21 Middleton 86 Napa Comment
  CAS-BOT-BC135482  Cercocarpus betuloides var. betuloides John Thomas Howell 1937-7-4 13063 Napa Wooden Valley Grade Comment
  CAS-BOT-BC135484  Cercocarpus betuloides var. betuloides Alice Eastwood 1918-5-1 6839 Napa Mt. St. Helena Comment
  CAS-BOT-BC135485  Cercocarpus betuloides var. betuloides L. R. Abrams 1916-7-2 5758 Napa Near St. Helena Sanitarium Comment
  JEPS45528  Cercocarpus betuloides var. betuloides Willis L. Jepson 1893-5-22 13868 Napa E of Calistoga (Pope Valley grade near the Palisades); Napa River Basin Comment
  UC419739  Cercocarpus betuloides var. betuloides Mrs. H. P. Bracelin 1930-7-13 26 Napa s slope of Mount St. Helena Comment
  UC859435  Cercocarpus betuloides var. betuloides Alice Eastwood, John Thomas Howell 1937-4-4 3831 Napa Grade e of Napa (Wooden Valley); Wooden Valley Comment
  CAS-BOT-BC284566  Chaenactis glabriuscula var. heterocarpha John Thomas Howell 1941-6-22 16321 Napa Hills sw. of St. Helena Comment
  CAS-BOT-BC284571  Chaenactis glabriuscula var. heterocarpha C. F. Baker 1903-5-8 2967 Napa Knoxville Comment
  HSC43957  Chaenactis glabriuscula var. heterocarpha Robert M. Specht 1977-4-19 688 Napa Along drainage running NE from Adams Creek. Comment
  POM54141  Chaenactis glabriuscula var. heterocarpha C. F. Baker 1903-5-8 2967 Napa Knoxville. Comment
  JEPS52333  Chamaesyce serpyllifolia W. L. Jepson 1894-11-5 13934 Napa near St. Helena; Napa River Comment
  CAS-BOT-BC68161  Cheilanthes intertexta Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5340 Napa North side of Pope Creek between Samuels Springs and Walters Springs 243 Comment
  JEPS106819  Chenopodium ambrosioides Jake Ruygt 1991-8-24 2835 Napa Napa River at Bale Lane 80 Comment
  SEINET5763970 Image available Chenopodium ambrosioides H. S. Reed 1948-1 2029 Napa Berryessa Valley, 2 mi N of Monticello Comment
  UCD148776  Chenopodium berlandieri Jake Ruygt 2006-7-22 5076 Napa Rutherford. Napa River north of Zinfandel Lane. 56 Comment
  JEPS59730  Chenopodium californicum Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  UC924253  Chenopodium multifidum H. S. Reed 1948-11-5 2028 Napa 2 mi n Monticello; Berryessa Valley 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
  JEPS128905  Chloropyron molle Jake Ruygt 1979-7-29 783 Napa Fagan's Marsh. Cuttings Wharf 7.5' Quad. Comment
  UCD149672  Chorizanthe membranacea 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
  UC54973  Chorizanthe membranacea Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs (Napa River Basin, Napa Range); Napa Range, Napa River Basin, Napa Soda Springs Comment
  SEINET11933915  Chorizanthe polygonoides var. polygonoides F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -297 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  JEPS59225  Cirsium cymosum var. cymosum Willis L. Jepson 1892-7 Napa Knoxville Mountain Region of Clear Lake Comment
  CDA1214  Cirsium douglasii var. douglasii T. C. Fuller 1961-6-15 6339 Napa 0.5 mi. n. of American Canyon Rd. about 2 mi e. of Napa Junction (Hwy 29). Comment
  OBI76874  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
  UCD63171  Cirsium douglasii var. douglasii Jake Ruygt 1991-8-4 2817 Napa west of Hunting Creek Campground toward Paradise Valley. 289 Comment
  CDA1304  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2254 -A Napa 2.7 km. west of Oakville; Oakville Grade, roadside cut west of summit. Comment
  CAS-BOT-BC286571  Cirsium occidentale var. venustum Alice Eastwood; John Thomas Howell 1939-6-11 7426 Napa Hood Mt. Range sw. of Oakville Comment
  JEPS106936  Cirsium remotifolium var. odontolepis Jake Ruygt 1991-5-25 2689 Napa about .1 mile north of Hill Rd. on Howell Mtn. Rd. 551 Comment
  CAS-BOT-BC169768  Cistanthe quadripetala Herbert L. Mason 1935-5-30 10010 Napa 4 miles N of Knoxville on the Monticello - Lower Lake Road Comment
  UCD49178  Clarkia affinis M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 12 Napa Quail Ridge UC Reserve, northern tip of ridge, in open grassy area N of power lines. 274 Comment
  CAS-BOT-BC160920  Clarkia amoena subsp. amoena M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  RSA292923  Clarkia amoena subsp. huntiana Reino Alava 1957-5-30 981 Napa Along State Highway No. 128 at the Napa - Solano county line Comment
  SBBG115750  Clarkia concinna B. Crampton 1953-5-19 1300 Napa 9 mi E of Rutherford Comment
  CAS-BOT-BC172177  Clarkia concinna W. L. Jepson 1897-6-1 s.n. Napa Napa Valley Comment
  HSC81860  Clarkia concinna Thomas W. Nelson, Jane Nelson 1980-5-3 5156 Napa Junction of Butts Canyon Rd. & Snell Valley Rd. 197 Comment
  UCD104448  Clarkia concinna subsp. concinna L. P. Thibault 1995-5-19 39 Napa Along Highway 128, ca. 1/2 mile W of intersection with Lower Chiles Valley Road and W of Sage Creek. 250 Comment
  UCSC009023  Clarkia concinna subsp. concinna Dylan M. Neubauer 2015-4-24 125 Napa (NCoRI) Sage Canyon Rd/Hwy 128, across from S edge Lake Hennessey 101 Comment
  JEPS43544  Clarkia gracilis subsp. albicaulis Willis L. Jepson 1897-7-12 14360 Napa Pope Valley to Middleton; Butts Canyon Comment
  CHSC83403  Clarkia gracilis subsp. gracilis L. P. Janeway; B. Castro 2002-5-12 7537 Napa Inner North Coast Ranges. South-facing slope along Pocock Creek above and below the dirt road from Devilhead Road. 503 Comment
  RSA495971  Clarkia gracilis subsp. tracyi L. D. Gottlieb 1988-5-24 8819 Napa On Route 128 between turnoff to Route 121 and Spanish Flat Road at milepost 18.71 Comment
  UCD54391  Clarkia gracilis subsp. tracyi Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. Knoxville Public Lands. 390 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-BC163694  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 2819 Napa 4 mi. to Conn Dam from Rutherford 91 Comment
  CAS-BOT-BC163695  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1953-5-2 5391 Napa Hills due e. of Yountville 243 Comment
  UCD160774  Clarkia purpurea subsp. quadrivulnera Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8653 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  CAS-BOT-BC163692  Clarkia purpurea subsp. quadrivulnera M. S. Jussel 1937-5-23 s.n. Napa Mt. St. Helena Comment
  JEPS43716  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1894-7-19 Napa near Schoolhouse; Mt. St. Helena Comment
  UCD167277  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1976-5-14 84 Napa southwest of intersection Mount Veeder Road and Dry Creek Road. 182 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-BC165608  Clarkia unguiculata John Thomas Howell 1929-5-30 4268 Napa Pope Valley Creek near Samuels Springs, Napa Range Comment
  CAS-BOT-BC165609  Clarkia unguiculata David D. Keck 1933-5-29 2353 Napa Pope Creek bridge south of Walters Springs Comment
  UCD18489  Clarkia unguiculata P. J. Plummer 1995-5-29 s.n. Napa Lake Berryessa. 121 Comment
  UC402908  Claytonia exigua subsp. exigua Mrs. H. P. Bracelin 1930-3-23 Napa 1.5 mi se Mt. St. Helena Inn (flanks of Mt. St. Helena); Mt. St. Helena Comment
  CAS-BOT-BC439131  Claytonia exigua subsp. exigua Ella Dales Cantelow 1939-4-8 2521 Napa 1/2 mi. n.e. of Pacific Union College, Howell Mt. Comment
  UCD100506  Claytonia gypsophiloides J. M. Tucker 1953-3-26 2637 Napa slope overlooking Highway 29, Mount Saint Helena, 5.2 miles (by road) north of 'city limit' sign on north side of Calistoga. Comment
  CAS-BOT-BC233835  Claytonia parviflora subsp. parviflora R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6678 Napa Butt's Canyon, 10 mi. N. of Howell Mt. 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
  CAS-BOT-BC233834  Claytonia parviflora subsp. parviflora John Thomas Howell 1931-4-3 6132 Napa Pope Creek Canyon 8 miles from Monticello Comment
  UCD41465  Claytonia perfoliata Ellen Dean; Deborah Canington 2003-3-1 1362 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. Along North Decker Canyon Road by running stream. 182 Comment
  CAS-BOT-BC439793  Claytonia perfoliata Betty H. Johnson 1958-6-15 635 Napa 1/2 mi. above Mt. Mill House, 6.4 mi. S-W. of Middletown Comment
  CAS-BOT-BC439941  Claytonia perfoliata subsp. mexicana Peter H. Raven 1954-2-22 6405 Napa Orchard at west end of Saint Helena 60 Comment
  JEPS43304  Claytonia perfoliata subsp. perfoliata W. L. Jepson 1893-3-13 Napa St. Helena Comment
  UCD49146  Claytonia perfoliata subsp. perfoliata S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 30 B 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
  UCD20832  Clematis lasiantha C. Kremen; N. Nicola 2001-3-30 48 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, along Hwy. 128, aprox. 0.5 mi. west of Montecello Dam via road. Lat/long is estimate. Comment
  UCD95605  Clematis lasiantha Beecher Crampton 1970-4-15 8562 Napa 1 mile west Monticello Dam. State Hwy. 128. Comment
  UCD95627  Clematis lasiantha Bill Wengeler 1995-4-16 s.n. Napa West of city of Winters; 0.2 mi W of Monticello Dam along Hwy 128. 158 Comment
  UC1196838  Collinsia heterophylla J. P. Tracy Aug 6 1898-Jan 14 1899 271 Napa 3-4 mi e of Angwins (Howell Mountain, Head of Moore's Creek); Howell Mountain, Head of Moore's Creek Comment
  UCD49268  Collinsia heterophylla L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 22 Napa SW end of Lake Berryessa, Quail Ridge Reserve, on South Decker Canyon Rd., between Cut-Off Rd. and Decker Ridge Rd. 228 Comment
  UCD169606  Collinsia heterophylla var. heterophylla Ayzik Solomeshch 2008-4 s.n. Napa north side of Pope Canyon Road ca 2 km west of intersection with Berryessa-Knoxville Road. 140 Comment
  HSC20618  Collinsia sparsiflora Greg Bos 1963-3-30 63 Napa 27 mi. S of Middletown on Butts Canyon Rd. 305 Comment
  CDA11336  Collinsia sparsiflora var. arvensis G. F. Hrusa 1995-4-2 12046 Napa North Coast Biodiversity Arena; Franz Valley School Rd. approx 1 m E of Napa/Sonoma County line. Comment
  JEPS77939  Collinsia sparsiflora var. arvensis Edward Lee 1936-3-15 1795 Napa 3.4 mi out of Rutherford (Rutherford-Pope Valley Road); Rutherford-Pope Valley Road Comment
  RSA264960  Collinsia sparsiflora var. arvensis George E. Johnston 1974-4-4 6118 Napa The collection was made near Bell Canyon. Near Angwin. 427 Comment
  UC1032605  Collinsia sparsiflora var. arvensis B. O. Schreiber 1938-4-24 2497 Napa 5.2 mi n-ne of Napa (Wooden Valley Grade); Wooden Valley Grade 274 Comment
  JEPS34524  Collinsia sparsiflora var. arvensis Freed W. Hoffman 1947-3-20 837 Napa Wooden Valley; North Coast Ranges Comment
  SEINET12268978  Collinsia sparsiflora var. arvensis H. K. Sharsmith 1963-1 5223 Napa S side Mount Atlas 610 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
  SBBG6883  Collinsia sparsiflora var. sparsiflora H. and M. Dearing 1939-5-1 3246 Napa top of Spring Mtn grade Comment
  UC147867  Collinsia tinctoria Joseph P. Tracy 1904-5-23 2086 Napa near Calistoga (Napa Valley, top of Pratt Hill); Northern Coast Ranges, Napa Valley 91 Comment
  CAS-BOT-BC229540  Collomia diversifolia Peter H. Raven 1951-5-26 s.n. Napa Butts Creek Canyon Comment
  JEPS101660  Collomia diversifolia Dean W. Taylor 1998-5-20 16448 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
  JEPS112561  Collomia diversifolia Jake Ruygt 1998-4-22 3932 b Napa Turner Mtn. about .6 mile from intersection Cement Cr Rd/Myster.V 475 Comment
  JEPS110955  Collomia heterophylla Jake Ruygt 1981-4-25 999 Napa road between Aetna Springs and Table Mtn 396 Comment
  CAS-BOT-BC286035  Conyza canadensis Peter H. Raven 1951-8-19 3849 Napa Near Lokoya 487 Comment
  JEPS95192  Cordylanthus mollis subsp. mollis Jake Ruygt 1994-7-30 Napa Fagan Slough Comment
  JEPS41126  Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-5 9138 Napa western end Calistoga (on Calistoga grade of Calif. Hwy 29; 6.6 mi from junction of Calif. Hwy 29 and 128) Comment
  JEPS7001 Image available Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-9 4750 Napa grade over shoulder Mt. St. Helena (road from Calistoga to Middletown, near Hanley's Resort) Comment
  RSA516551  Cordylanthus pilosus subsp. pilosus R. C. Bacigalupi, G. Thomas Robbins, C. L. Custer 1954-8-9 4750 Napa Grade over shoulder of Mt. St. Helena, road from Calistoga to Middletown, near Hanley's Resort. 511 Comment
  HSC90863  Cordylanthus tenuis subsp. brunneus T. I. Chuang 1972-7-8 7061 Napa Just S of the Napa and Lake Co. line, on Hwy. 29 Comment
  JEPS55938  Cordylanthus tenuis subsp. brunneus T. I. Chuang and F. M. Chuang 1968-7-24 6485 Napa 10.9 mi n Calistoga Comment
  JEPS69351  Cordylanthus tenuis subsp. brunneus T. I. Chuang 1972-7-8 7061 Napa just s Napa and Lake Co. line (on Hwy 29) Comment
  UC761839  Cordylanthus tenuis subsp. brunneus R. F. Hoover 1941-8-24 5571 Napa e side Mt. St. Helena Comment
  UCD170468  Cordylanthus tenuis subsp. brunneus Daniel Potter; Ninh Khuu 2016-6-18 897 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 454 Comment
  UC1744860  Coreopsis tinctoria John L. Strother 2000-7-2 1364 Napa 1.5 mi SSW of Napa (along eastern shoulder of Route 29, ca. 300 m s of Route 12 West) 20 Comment
  CAS-BOT-BC209799  Cornus glabrata H. E. McMinn 1922-8-2 359 Napa Putah Canyon Comment
  JEPS50118  Cornus glabrata W. L. Jepson 1923-10-10 10235 a Napa Wooden Valley Comment
  SBBG5315  Cornus glabrata H. and M. Dearing 1939-5-3 3265 Napa Childs Valley Comment
  OBI15276  Cornus nuttallii H. E. McMinn 1936-4-4 4382 Napa Howell mt, near Bird reguge Comment
  RSA52657  Cornus nuttallii I. L. Wiggins 1949-4-30 12090 Napa Along draw on NE flank of Mount St. Helena. 915 Comment
  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-BC180342  Corylus cornuta subsp. californica Alice Eastwood 1923-5-9 11742 Napa Calistoga Comment
  CAS-BOT-BC180344  Corylus cornuta subsp. californica Elsa G. Ruckert 1960-2-27 11 Napa 6495 Dry Creek Road. Edge of woods SW of the house, 200 yards up on hillside 365 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
  JEPS129154  Cotula coronopifolia Jake Ruygt 1978-3-31 256 Napa 2.5 miles west of Highway 29 on Green Island Road. Cuttings Wharf 7.5' Quad. Comment
  UCD130901  Cotula coronopifolia David Lawfer 1952-4-20 150 Napa Napa. Comment
  UCD19947  Crassula connata E. A. Dean; Virginia Boucher 2002-2-28 903 Napa Quail Ridge Reserve. Along upper trail, leading out north of stock pond near Quail Ridge tip; 0.2 airline miles NE of junction with West Rd. 320 Comment
  UCD121192  Crataegus monogyna Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7364 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and Recreation Flat. 526 Comment
  JEPS117993  Crepis pulchra Zoya Akulova-Barlow 2011-5-22 Napa South of Youngtville, between Solano Avenue and rail road. 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
  RSA757948  Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7958 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. South side of Route 128 across from spillway, roadside near seepage. 91 Comment
  UCD37519  Crypsis vaginiflora Beecher Crampton 1954-10-26 2302 Napa South Napa. Comment
  SD180605  Cryptantha clevelandii var. dissita Beecher Crampton 1954-5-20 1929 Napa 8.0 miles southwest of Monticello, along highway 128. Comment
  JEPS106755  Cryptantha flaccida Jake Ruygt 1998-5-2 3947 Napa Chiles Canyon near white stone bridge. 146 Comment
  JEPS100842  Cryptantha hispidula Dean Wm. Taylor with Mey Akasah 1999-6-4 17218 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  UC1221769  Cryptantha hispidula Beecher Crampton 1958-4-29 4754 Napa above Capell Creek (n end of Capell Valley); Capell Valley Comment
  UCD161696  Cryptantha hispidula Jake Ruygt 2010-5-1 5530 Napa southwest of end Cedar-Pocock Creek Road. (Coordinates converted from UTM data by label maker.) 365 Comment
  UCR179389  Cryptantha hispidula Robert Wolfson, J. Westbrook, S. Ratay, A. Houser, M. Disney, S. Wathen 2000-4-22 34 Napa McLaughlin Reserve, c. 0.5 miles south of Berryessa-Knoxville Rd. Along east side of Devilhead Rd., 1st ridge south of Devilhead Rd. 518 Comment
  JEPS106701  Cryptantha intermedia Jake Ruygt 1982-5-15 1255 Napa Buzzard's Roost, Stag's Leap 585 Comment
  UCD161363  Cryptantha intermedia Jake Ruygt 1988-5-29 2202 Napa Napa County : South end of Adams Ridge, east of Mysterious Valley. (Coordinates estimated by label maker at UC Davis). 518 Comment
  UCD161579  Cryptantha muricata Jake Ruygt 2007-5-17 5178 Napa Duff Ranch, NW of Potato Hill. 792 Comment
  CAS-BOT-BC80718  Cupressus macnabiana J. Clausen 1935-5-22 1062 Napa 15.9 mi. SE of Lower Lake on the Monticello road beyond the Napa Co. line Comment
  JEPS21187  Cupressus macnabiana H. L. Mason 1925-1-22 1208 Napa Pope Canyon Comment
  JEPS39757  Cupressus macnabiana W. L. Jepson 1920-5-25 9039 Napa Knoxville Ridge Comment
  JEPS39791  Cupressus macnabiana W. L. Jepson 1897-7-12 21291 Napa near Samuel's Springs; Pope Creek Comment
  JEPS41068  Cupressus macnabiana Rimo Bacigalupi, & L. R. Heckard, J. R. Sweeney 1965-5-16 9105 Napa 1 mi n of headwaters of Zim Zim Creek (along Devilhead Road); Devilhead Road 493 Comment
  UC1076280  Cupressus macnabiana H. L. Mason 1924-1-23 1208 Napa Pope Canyon Comment
  CAS-BOT-BC85486  Cupressus sargentii Carl Brandt Wolf 1928-2-25 1507 Napa 3 miles north of summit of Mt. St. Helena grade Comment
  CAS-BOT-BC85488  Cupressus sargentii Howard E[a]rnest McMinn 193 Napa along Pope Creek in Pope Canyon from Pope Valley to Monticello Comment
  CAS-BOT-BC85490  Cupressus sargentii Howard E[a]rnest McMinn 1922-7-1 277 Napa Pope Creek in Pope Canyon Comment
  CHSC109722  Cupressus sargentii L. R. Abrams 1926-5-4 12282 Napa County line, Napa - Lake County. Comment
  JEPS79565  Cupressus sargentii Edward Lee with A. Carter and E. Crum 1936-3-15 1821 Napa stream valley near stream Butt's Canyon ((trip from Rutherford to Pope Valley)) Comment
  NY16808  Cupressus sargentii R. F. Hoover 1941-4-26 4930 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
  NY16827  Cupressus sargentii C. B. Wolf 1934-10-17 6196 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
  JEPS47095  Cuscuta indecora W. L. Jepson 1930-10-19 15703 Napa Butts Canyon Comment
  JEPS116522  Cuscuta subinclusa Jake Ruygt 1982-7-21 1379 Napa Edgerly Island. Cuttings Wharf 7.5' Quad. Comment
  JEPS116523  Cuscuta subinclusa Jake Ruygt 1991-7-27 2805 b Napa North of the Southern Crossing, Highway 29 Horseshoe Island. Napa 7.5' Quad. Comment
  JEPS47132  Cuscuta subinclusa W. L. Jepson 1930-10-19 15702 Napa Butts Canyon, ne Napa County Butts Canyon Comment
  JEPS47144  Cuscuta subinclusa W. L. Jepson Oct 12 1894-Oct 13 1894 70 a Napa St. Helena Napa Valley Comment
  SEINET7940323  Cuscuta subinclusa H. P. Chandler 1906-1 7123 Napa Alta Loma Ranch, Howell Mountain. 488 Comment
  SEINET183891  Cynoglossum grande L. Constance 1938-3-27 2038 Napa E slope in Howell Mtns 5 mi E of Napa N Coast Ranges 457 Comment
  UCD158906  Cynoglossum grande G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  UCD170144  Cynoglossum grande Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 733 Napa Knoxville Wildlife Area. 311 Comment
  UCD19312  Cynosurus echinatus M. A. Bibbo; E. Dean 2001-7-6 4 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.5 air miles from research station. E (upslope) side of the road. 259 Comment
  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
  UC579872  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
  JEPS115767  Cyperus erythrorhizos Lowell Ahart 2009-10-12 16458 -A Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 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
  CAS-BOT-BC114361  Cyperus erythrorhizos Peter H. Raven 1951-10-28 3933 Napa Strand of Conn Lakes 152 Comment
  UC1133517  Cyperus niger Beryl Schreiber 1938-9-25 2550 Napa Putah Creek Canyon, North Ranch Capay Quad., Putah Creek Canyon, North Ranch Comment
  JEPS103990  Cystopteris fragilis Jake Ruygt 1993-3-6 3167 Napa Skyline Park, Skyline trail. 85 Comment
  CAS-BOT-BC189861  Danthonia californica Peter H. Raven 1952-5-26 4038 Napa Saint Helena to Howell Mountain. 304 Comment
  JEPS122991  Danthonia californica Jake Ruygt 1988-5-28 2188 Napa Lovall Valley Road near county line. Quad: Sonoma. Comment
  JEPS75996  Danthonia californica W. L. Jepson 1936-6-1 17594 Napa Four Corners Napa Range, Howell Mt. (w side) Comment
  JEPS75997  Danthonia californica W. L. Jepson 1936-6-1 17594 Napa Four Corners Napa Range, Howell Mt. (w side) Comment
  UC185006  Danthonia californica J. P. Tracy 1902-5-21 1612 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 518 Comment
  UCD60992  Danthonia californica Beecher Crampton 1956-5-25 3488 Napa Along the headwaters of Sarco Creek, Howell Mtns. Comment
  RSA431669  Datisca glomerata E. S. Spalding 1924-7-4 s.n. Napa Near St. Helena; canyon beyond White Sulphur Springs. Comment
  JEPS110736  Datura stramonium Jake Ruygt 1987-5-27 2018 Napa Buchli Station, DFG- Huichica Creek property 1 Comment
  JEPS14067  Daucus pusillus W. L. Jepson 1936-5-29 17551 Napa Howell Mt., Adam-and-Eve Ridge Comment
  UCD48432  Daucus pusillus K. Mogel; B. Pekin and M. Higley 2002-5-4 7 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 300 ft along the lower road that leads to the power lines; side of road. 310 Comment
  JEPS106659  Deinandra corymbosa Jake Ruygt 1980-6-1 908 Napa Milton Rd. across from Yacht club 0 Comment
  UCD161569  Deinandra corymbosa Jake Ruygt 1992-5-18 2969 Napa Alston Park, Dry Creek Road, Napa. 85 Comment
  JEPS6234  Delphinium hesperium Willis L. Jepson 1893-6-26 21393 Napa grade to Howell Mt. Napa River Basin 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
  JEPS120432  Delphinium hesperium subsp. hesperium Jake Ruygt 2010-6-21 5633 Napa Bear Valley on jeep road near Van Ness Canyon. Comment
  CAS-BOT-BC10109  Delphinium hesperium subsp. pallescens John Thomas Howell 1939-4-30 14622 Napa Near Walter Springs Comment
  HSC47888  Delphinium hesperium subsp. pallescens H. Lewis, G. Mehlquist 1941-5-9 Napa 13.4 mi. N of Monticello Comment
  LA38205  Delphinium hesperium subsp. pallescens Mehlquist; Baker 319 Napa 2 mi. N of Knoxville on rd. to Reiff Comment
  CAS-BOT-BC9818  Delphinium nudicaule C. F. Baker 1903-4-20 2620 Napa Mt. St. Helena Comment
  CAS-BOT-BC9820  Delphinium nudicaule P. H. Raven 1957-5-5 10772 Napa At western edge of Calistoga 182 Comment
  CHSC40063  Delphinium nudicaule L. Constance 1938-3-27 2041 Napa Above Wooden Valley 8 mi. NE. of Napa, E. slope of Howell Mountains, North Coast Ranges. 457 Comment
  RSA10691  Delphinium nudicaule Carl B. Wolf 1928-5-3 1796 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD15024  Delphinium nudicaule K. A. Bear 1978-4-23 33 Napa along Lower Chiles Road, 1.4 miles SW of intersection of Chiles and Pope Valley Roads; 128 Comment
  UCD170216  Delphinium nudicaule Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 741 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 330 Comment
  CAS-BOT-BC9817  Delphinium nudicaule Ira L. Wiggins 1949-4-30 12079 Napa Along old toll road between Calistoga and Middletown, about 2.5 mi. from Calistoga Comment
  RSA10655  Delphinium patens Carl B. Wolf 1928-5-3 1834 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  RSA195349  Delphinium patens Gilbert Muth 1967-5-19 697 Napa Milliken Dam. 335 Comment
  UCD96535  Delphinium patens W. M. Grannell 1950-3-10 4 Napa Putah Canyon. Comment
  CAS-BOT-BC116486  Delphinium patens subsp. patens H. L. Mason 1928-4-13 4330 Napa ...between Santa Rosa and Calistoga Comment
  JEPS60576  Delphinium patens subsp. patens W. L. Jepson 1893-1 Napa Napa Mountains Comment
  JEPS60631  Delphinium uliginosum Joseph P. Tracy 1933-6-2 12488 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  LA207609  Delphinium uliginosum J. Ewan; 1937-5-23 10360 Napa Lower Lake to Monticello road, 1.9 mi. S of Lake Co. line Comment
  UC9248  Delphinium variegatum Willis L. Jepson 1893-4-26 Napa La Lomita Napa River Basin Comment
  LA207580  Delphinium variegatum H. Lewis; G. Mehlquist 1941-5-8 sn Napa Monticello to Napa Rd, 5.1 mi. S. of the road to St. Helena Comment
  JEPS23365  Delphinium variegatum subsp. apiculatum Willis L. Jepson 1893-4-26 Napa La Lomita Napa River Basin (= Yountville) Comment
  JEPS23364  Delphinium variegatum subsp. variegatum Willis L. Jepson 1893-5-1 Napa hills near Calistoga; Napa River Basin, Upper Napa Valley Comment
  UCD35337  Dendromecon rigida Beecher Crampton 1955-5-10 2770 Napa 6 miles south of Middletown. Comment
  CAS-BOT-BC627  Dendromecon rigida subsp. rigida Carl B. Wolf 1928-5-4 1850 Napa Mt. St. Helena Comment
  CAS-BOT-BC657  Dendromecon rigida subsp. rigida Severin A. Baumann 1953-7-4 10 Napa Top of rocky hill, on edge of highway 2 miles from Oakville between Boyes Springs and Oakville. 213 Comment
  CAS-BOT-BC660  Dendromecon rigida subsp. rigida Mary Katherine (Mrs.) Brandegee 1910-5-1 94 Napa Mt. St. Helena, on slopes back of the Toll House Comment
  JEPS41080  Deschampsia cespitosa subsp. cespitosa Rimo Bacigalupi and L. R. Heckard 1965-5-15 9098 Napa ca. 7 mi. s.-s.e. Knoxville (head of Devilhead Rd., Cedar Creek); Cedar Valley, Cedar Creek 594 Comment
  JEPS45808  Deschampsia cespitosa subsp. cespitosa Eleanor Armstrong 1932-5-29 178 Napa 3 mi. n.w. of Calistoga (Mt. St. Helena); Mt. St. Helena 243 Comment
  POM126104  Deschampsia danthonioides Joseph P. Tracy 1903-5-15 1854 Napa Napa Valley, near Calistoga Comment
  UC1103221  Deschampsia danthonioides J. P. Tracy 1902-5-19 1554 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 518 Comment
  UCD63725  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3550 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  CAS-BOT-BC599  Dicentra formosa subsp. formosa P. H. Raven 1953-4-2 5294 Napa Tulucay Creek 243 Comment
  CAS-BOT-BC254473  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1943-6-20 18240 Napa SW of St. Helena 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
  CAS-BOT-BC499415  Dichelostemma capitatum Peter H. Raven 1953-3-29 5226 Napa Hills e. of Imola 121 Comment
  JEPS64153  Dichelostemma capitatum W. L. Jepson 1897-5-2 20985 Napa St. Helena Napa Valley Comment
  UCD14948  Dichelostemma capitatum Mark Harder 1977-4-16 4 a Napa California, Napa Co.; 6.4 miles southwest of Monticelo Dam along Highway 128; Comment
  UCD139189  Dichelostemma capitatum subsp. capitatum J. D. Clark 1995-5-27 18 Napa Napa County. Collected on trail between 1/4-3/4 mile from trailhead at Highway 129. Trailhead begins on the E side of Highway 129 across from the Robert Lewis Stevenson State Park parking lot. 548 Comment
  UCD148243  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2013-4-6 2904 Napa Along Hwy 128, 0.4 mi W of its jct with Berryessa-Knoxville Rd. 213 Comment
  UCD70462  Dichelostemma capitatum subsp. capitatum B. Wengeler 1995-4-16 s.n. Napa West of City of Winters, 2 m W of Monticello Dam along hwy 128. Open hillside. Perennial, 24 in tall. Flowers purple. 158 Comment
  RSA734223  Dichelostemma capitatum subsp. capitatum Keith E. Hoffmaster 1946-3-9 1205 Napa Napa range, near summit of Napa-Monticello road. Comment
  UCD48786  Dichelostemma volubile A. Collier; D. Caterson and S. Kenady 2002-5-4 9 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off N side of road 15 m. 350 Comment
  CAS-BOT-BC150363  Diplacus aurantiacus James L. Reveal 1987-6-7 6398 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road; about 6.5 miles northwest of Vacaville 609 Comment
  CAS-BOT-BC150366  Diplacus aurantiacus L. R. Abrams 1916-7-12 5769 Napa Near St. Helena Sanitarium Comment
  CAS-BOT-BC151878  Diplacus congdonii John Thomas Howell 1931-4-2 6071 Napa Wooden Valley Grade 5 miles east of Napa 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-BC151958  Diplacus douglasii John Thomas Howell 1940-5-19 15454 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC151959  Diplacus douglasii Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  OBI49335  Diplacus layneae Joseph P. Tracy 1950-5-23 18662 Napa Howell MTn. On hills at head of Moore's Crk, 5 mi E of Angwin's Comment
  UCSC010461  Diplacus layneae Dylan M. Neubauer, Tim Forsell 2016-4-1 608 Napa (NCoRI) just east of Butts Canyon Road, 2.49 air-miles sse Snell Peak 329 Comment
  CAS-BOT-BC151335  Diplacus tricolor Peter H. Raven 1951-5-26 2877 Napa Butts Canyon 304 Comment
  JEPS8807  Dipsacus fullonum W. L. Jepson 1936-5-30 17563 Napa Napa Valley, Rutherford Rutherford; Napa Valley, Rutherford Comment
  JEPS61822  Disporum hookeri Willis L. Jepson 1893-4-25 Napa w of St. Helena (Napa River Basin, Trail to Caux's Cabin); Napa River Basin, Trail to Caux's Cabin Comment
  UC3565  Disporum hookeri Willis L. Jepson 1894-5-1 Napa Napa River Basin, Rebecca Ranch Grade Napa River Basin; , Rebecca Ranch Grade Comment
  HSC100797  Dittrichia graveolens Lowell Ahart 2009-10-27 16503 Napa Along road at the intersection of Pope Canyon Rd. and Berryessa Knoxville Rd., near Lake Berryessa, 20 (air) mi. W of Winters. 152 Comment
  UCD151055  Dodecatheon hendersonii D. C. Finfrock 1950-4-2 16 Napa 2 miles from St. Helena on Pope Valley Road. Comment
  HSC17857  Dodecatheon hendersonii Greg Bos 1963-3-30 53 Napa 2.5 mi. up the Old Toll Rd. out of Calistoga. E slope 305 Comment
  POM299293  Downingia concolor var. concolor Lester Rowntree 1938-5-16 s.n. Napa Atlas Peak Rd, from Napa. Comment
  JEPS126075  Downingia cuspidata Jake Ruygt 1978-5-14 307 Napa 0.3 miles south of Oak Knoll Ave. on Silverado Trail. Napa 7.5' Quad. Comment
  JEPS82341  Downingia pusilla Robert F. Holland 1983-5-21 1233 Napa 3.5 mi s Route 121 (about 2200 ft w of Routes 12 and 29, e of the Napa River at Horseshoe Bend); Horseshoe Bend 3 Comment
  UCD17966  Draba verna Ellen Dean; Kate Mawdsley 2001-4-9 685 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  CAS-BOT-BC70943  Dryopteris arguta Betty H. Johnson 1958-6-20 664 A Napa Near Mt. Mill House, 6.4 miles SW of Middletown Comment
  RSA10648  Dryopteris arguta C. B. Wolf 1928-5-3 1841 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  RSA693749  Dryopteris arguta B. C. Templeton 1957-6-26 s.n. Napa Near Hill and Connors anches, Calistoga Comment
  SFV5088  Dryopteris arguta B. C. Templeton 1957-6-26 s. n. Napa Calistoga. Near Hill and Connors Ranches. Comment
  UC397024  Dryopteris arguta Dr. Goodspeed June 1929 Napa near Napa Comment
  HSC65075  Dudleya cymosa J. P. Smith, J. O. Sawyer 1970-5-17 3775 Napa 3 mi. S of Pope Valley Comment
  JEPS50046  Dudleya cymosa W. L. Jepson 1938-5-22 18821 Napa Limekiln Creek Canyon Pope Valley Comment
  UCD101898  Dudleya cymosa M. Wiesendanger 1927-5-4 678 Napa Near Monticello. Comment
  UCD101886  Dudleya cymosa Michael Fleschner 1965-5-13 13 - Napa next to Zim Zam Creek near Cedar Valley, west of Berryessa Knoxville Road, north of Lake Berryessa. Comment
  CAS-BOT-BC428153  Dudleya cymosa subsp. cymosa John H. Thomas 1955-5-21 5165 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena. 274 Comment
  CAS-BOT-BC428156  Dudleya cymosa subsp. cymosa Alice Eastwood 1930-4-1 s.n. Napa In canon on way to Pope Valley 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
  CHSC102279  Echinochloa colona Lowell Ahart 2009-10-12 16463 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC445574  Echinodorus berteroi Peter H. Raven 1951-10-28 3934 Napa At w. end of Conn Lake 152 Comment
  CAS-BOT-BC291129  Eclipta prostrata Peter H. Raven 1951-10-28 3941 Napa Conn Lake 152 Comment
  JEPS126048  Egeria densa Jake Ruygt 2005-4-10 4754 Napa Lake Camille. Mount George 7.5' Quad. Comment
  JEPS121359  Eleocharis acicularis var. acicularis Jake Ruygt 1983-4-4 1407 Napa .3 mile south of Old Bale Mill on Hwy 29 Comment
  JEPS121360  Eleocharis acicularis var. acicularis Jake Ruygt 1992-5-18 2976 Napa Yountville Ecological Reserve, Yountville. Comment
  UCD161512  Eleocharis parishii Jake Ruygt 1989-5-9 2311 -a Napa American Canyon, Avilla Ranch. 85 Comment
  UCR25608  Elymus glaucus John C. Roos 1939-5-13 256 Napa North Coast Range, Pacific Union College, Angwin 503 Comment
  JEPS122980  Elymus glaucus subsp. glaucus Jake Ruygt 1990-5-16 2551 Napa Calistoga Campground, Lommel Road. Quad: Calistoga. Comment
  SEINET192619  Elymus glaucus subsp. glaucus C. B. Wolf 1928-5-3 1794 Napa 5 mi N of Calistoga Mt St Helen grade Comment
  RSA135785  Elymus glaucus subsp. jepsonii John H. Thomas 1955-5-21 5106 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa 244 Comment
  SACT001123  Elymus glaucus subsp. jepsonii John Willoughby 1976-5-18 Napa 609.6 Comment
  JEPS122976  Elymus multisetus Jake Ruygt 1986-5-17 1768 Napa 0.4 mile east of Flosden Road on American Canyon Road. Quad: Cordelia. Comment
  CAS-BOT-BC204246  Elymus trachycaulus subsp. subsecundus Peter H. Raven 1951-10-28 3927 Napa Conn Valley 152 Comment
  JEPS110831  Emmenanthe penduliflora Jake Ruygt 1989-5-9 2306 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 396 Comment
  UCD48053  Emmenanthe penduliflora A. Haselby; M. Carson, S. Howard, P. Mayers 2000-4-29 7 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  UCD170361  Emmenanthe penduliflora var. penduliflora Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 859 Napa East of Nevada Creek, just west of Knoxville Wildlife Area boundary. 383 Comment
  JEPS110700  Epilobium campestre Jake Ruygt 1996-6-23 3753 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 277 Comment
  JEPS122727  Epilobium campestre Jake Ruygt 1982-6-13 1323 Napa Pope Canyon Road at large vernal pool. Quad: St. Helena. Comment
  UC1198502  Epilobium campestre Joseph P. Tracy 1938-6-6 15841 Napa between Napa City and Yountville; Napa valley 30 Comment
  JEPS128909  Epilobium canum Jake Ruygt 1978-9-9 409 Napa 3 miles NE of Silverado Trail on Deer Park Road. Saint Helena 7.5' Quad. Comment
  RSA505681  Epilobium canum subsp. canum Gordon H. True Jr. 1937-10-12 844 Napa Road cut on road from Napa to Lokoya Lodge 305 Comment
  UCD160683  Epilobium densiflorum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8755 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
  UCD167133  Epilobium densiflorum Jake Ruygt 2015-5-23 6115 Napa Missimer - Snell Valley Preserve. 172 Comment
  JEPS39211  Epilobium minutum W. L. Jepson 1924-4-27 10374 Napa Toll House Mt. St. Helena Comment
  RSA264970  Epilobium minutum Gilbert Muth 1974-4-6 s.n. Napa Near Cedar Roughs near Pope Valley. 701 Comment
  UCD167052  Equisetum laevigatum Jake Ruygt 1991-5-11 2663 Napa Scott's Flat, Aetna Mine Road. 481 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
  JEPS115966  Eragrostis hypnoides Lowell Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winte 437 Comment
  RSA756432  Eragrostis hypnoides Barbara Ertter, Elizabeth Neese 1988-10-2 7972 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  RSA769189  Eragrostis hypnoides L. Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  JEPS115742  Eremocarpus 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 Winte 133 Comment
  UCD131309  Ericameria arborescens George Field 1966-1-8 s.n. Napa 1/2 miles west of Angwin. 487 Comment
  JEPS122653  Ericameria parryi var. latior Jake Ruygt 1979-7-28 777 Napa Mt. St. Helena on fire trail. Quad: Detert Reservoir Comment
  JEPS106944  Erigeron biolettii Jake Ruygt 1981-7-8 1059 Napa near upper Bateman Creek 670 Comment
Read comments
Jan 14 2009
  JEPS41421  Erigeron biolettii Willis L. Jepson 1893-1 Napa Howell Mt. Napa River Basin Comment
  UC126554  Erigeron biolettii Harley P. Chandler Sep 7 1906-Sep 14 1906 7134 Napa Alta Loma Ranch 487 Comment
  JEPS120425  Erigeron biolettii Jake Ruygt 2010-6-19 5610 f Napa End of Cedar Creek / Pocock Creek Rd. Comment
  UCD161573  Erigeron foliosus var. franciscensis Jake Ruygt 2006-7-3 5068 Napa Mead Ranch, west of the big barn. 481 Comment
  UC604619  Erigeron greenei Joseph P. Tracy 1938-8-7 16089 Napa Soda Creek Canyon Napa Valley, Soda Creek Canyon 91 Comment
  CLARK-A1528-2168  Erigeron inornatus John C. Roos 1939-4-16 252 Napa Angwin Comment
  UC130954  Eriogonum compositum var. compositum Katharine Brandegee 1909-6-1 Napa Pope Valley Grade from Calistoga Comment
  POM196472  Eriogonum dasyanthemum J. T. Howell 1927-8-23 3042 Napa Chiles Valley 213 Comment
  POM209422  Eriogonum dasyanthemum S. G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, near Chiles School, Napa Mountains Comment
  UCD99888  Eriogonum dasyanthemum D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  UC406871  Eriogonum dasyanthemum H. M. Hall 1923-10-12 11923 Napa 16 mi w, on road to Lowerlake Monticello Comment
  UCD164779  Eriogonum dasyanthemum Jake Ruygt 2010-7-24 Napa East side of Hwy 121, at north end of Wooden Valley. 426 Comment
  UCD99893  Eriogonum dasyanthemum Christine Lowrie 1972-5-17 35 Napa Napa County Comment
  UC419723  Eriogonum gracile Mrs. H. P. Bracelin 1930-10-19 110 Napa near entrance Conn Creek; Sage Canyon Comment
  UCD164782  Eriogonum luteolum var. caninum Jake Ruygt 2009-5-22 5414 Napa American Canyon, across road from quarry. 161 Comment
  JEPS110761  Eriogonum luteolum var. luteolum Jake Ruygt 1980-6-22 938 Napa .1 mile north of Snell Valley Rd. on Butts Canyon Rd. 204 Comment
  UCR43082  Eriogonum luteolum var. luteolum L. F. LaPre 1986-6-8 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon', a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville, just east of Lake Co. Line 366 Comment
  JEPS56170  Eriogonum luteolum var. luteolum Willis L. Jepson 1893-9-21 Napa Wooden Valley grade from Napa; Napa River Basin 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
  LA206913  Eriogonum luteolum var. luteolum Susan G. Stokes; 1933-8-27 81 Napa Sage Canyon, Napa Mountains; edge of river bed Comment
  UCD164786  Eriogonum luteolum var. luteolum Jake Ruygt 2010-6-21 5649 Napa east of White point. 652 Comment
  UCD164787  Eriogonum luteolum var. luteolum Jake Ruygt 1988-5-29 2191 Napa Devilshead Rd. 448 Comment
  UCD149072  Eriogonum nervulosum G. Ledyard Stebbins 1985-6-17 C 534 Napa Northwest of Dunnigan Hill. West of Hunting Creek. Southwest of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) 432 Comment
  JEPS56192  Eriogonum umbellatum var. bahiiforme Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena, Van Ness Ranch Comment
  SBBG64230  Eriogonum vimineum S. G. Stokes 1933-8-27 81 Napa Sage Cyn, Napa Mtns 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-BC300347  Eriophyllum John H. Thomas 1955-5-21 5125 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC298510  Eriophyllum confertiflorum John Thomas Howell 1941-6-21 16313 Napa Hills SW of St Helena Comment
  UCD159932  Eriophyllum lanatum Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  RSA355183  Eriophyllum lanatum L. F. LaPre 1985-4-25 s.n. Napa Rare Plant Cyn, 2 mi SW of Knoxville, just E of Lake Co. Line. 366 Comment
  SEINET9291828  Eriophyllum lanatum Unknown 1984-4-28 7 Napa State. Rd 29, about 5 miles NM of Calistoga. Along roadside. Foothill woodland, Quercus sp. and Umbellelaria californica dominants. Perennial herb. 1-8 dm tall. flowers yellow. Rocky, greavelly soil of baaltic parent material UC Davis Herbarium Comment
  JEPS106954  Eriophyllum lanatum var. achilleoides Jake Ruygt 1990-5-12 2538 Napa Wooden Valley, north of Wooden Valley School 237 Comment
  RSA195303  Eriophyllum lanatum var. achilleoides Gilbert Muth 1967-5-17 669 Napa Oat Hill Road, Calistoga 244 Comment
  CAS-BOT-BC301048  Eriophyllum lanatum var. achilleoides Mrs. H. C. Cantelow 1934-5-30 s.n. Napa Mt. St. Helena Comment
  POM358026  Eriophyllum lanatum var. achilleoides B. C. Templeton 1957-6-27 s.n. Napa Near Hill and Connors Ranches, Calistoga Comment
  UC642443  Eriophyllum lanatum var. achilleoides Joseph Andorfer Ewan 1934-4-30 8814 Napa 4 mi above Napa; Sarco Creek Comment
  RSA128564  Erodium brachycarpum Peter H. Raven, G. Ledyard Stebbins 1953-4-19 5299 Napa Roadside in Suisun Valley just over Solano line. 76 Comment
  UCD170455  Eryngium Daniel Potter; Ninh Khuu 2016-6-8 884 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  JEPS104536  Eryngium aristulatum Jake Ruygt 1988-5-7 2182 Napa .5 miles east of Flosden Rd., American Canyon 173 Comment
  JEPS14257  Eryngium aristulatum var. aristulatum Joseph P. Tracy 1938-6-6 15837 Napa 5 mi. n. Napa City; Napa Valley 30 Comment
  UC619330  Eryngium armatum Wilhelm N. Suksdorf 1913-7-24 645 Napa near Napa, SW Comment
  UCD164833  Eryngium jepsonii Jake Ruygt 2012-6-2 5856 Napa Butts Canyon Road, across road from James Creek Road. Comment
  UCD161238  Erysimum capitatum Jake Ruygt 2009-5-22 5415 Napa Napa County : American Canyon, across road from quarry. (Coordinates estimated by label maker at UC Davis). 172 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
  CAS-BOT-BC54301  Erysimum capitatum John Thomas Howell 1926-3-21 1738 Napa Old toll road to Mount Saint Hellena. Comment
  JEPS120386  Erysimum capitatum Jake Ruygt 1981-4-22 997 Napa American Canyon, .3 [0.3} miles east of Flosden Road Comment
  UC673520  Erysimum capitatum H. L. Mason 1926-3-14 2725 Napa Mount St. Helena Comment
  UCD114994  Erysimum capitatum var. capitatum W. M. Grannell 1950-4-27 2 Napa Putah Canyon. 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
  SD7071  Erythranthe moniliformis Brandegee Sept 1888 Napa Howell Mt. Comment
  CAS-BOT-BC133294  Erythronium helenae Elizabeth Wright 1922-4-1 s.n. Napa Near Calistoga Comment
  POM196477  Erythronium helenae J. T. Howell 1926-3-21 1715 Napa St. Helena Creek below Pattens 457 Comment
  CAS-BOT-BC402797  Eschscholzia caespitosa John Thomas Howell 1931-4-3 6127 Napa Pope Creek Canyon, Napa Range 8 miles from Monticello Comment
  HSC43988  Eschscholzia caespitosa Robert M. Specht 1977-4-13 654 Napa South-facing slope 488 Comment
  UCD94055  Eschscholzia caespitosa Shannon M. Still 2006-3-23 62 Napa California. Napa County: CA-128 on northern side of road in turnout. 265 Comment
  RSA3295  Eschscholzia caespitosa subsp. caespitosa D. D. Keck 1931-4-3 1064 Napa Pope Creek Canyon, 8 miles NW of Monticello Comment
  CAS-BOT-BC403333  Eschscholzia californica Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC403336  Eschscholzia californica Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  JEPS51781  Eschscholzia californica W. L. Jepson 1904-6-3 2442 Napa Howell Mt. 792 Comment
  UCD14360  Eschscholzia californica Kathi A. Zurakowski 1984-4-8 s.n. Napa Napa Co.; 0.73 miles along road towards the south shore of Lake Berryessa Resort (from where it begins); Comment
  RSA15683  Eschscholzia californica var. crocea Carl B. Wolf 1928-2-25 1485 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  JEPS120337  Eucalyptus globulus Jake Ruygt 1989-4-29 2293 Napa Napa River about 1/4 mile north of Trancas Street, Napa. Napa 7.5' Quad. Comment
  SEINET6692542 Image available Eucalyptus globulus Royal D. Suttkus 1967-1 67- 30 -5 Napa Clearly Reserves, 7.2 miles NW of Pope Valley Comment
  UCD20021  Euphorbia crenulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1217 Napa 5.6 miles N of junction of Routes 128 and 37 on Route 128. Comment
  UCD149689  Euphorbia oblongata 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
  UCD142417  Euphorbia oblongata R. Lawley 1972-5-1 s.n. Napa Highway 29 south of Calistoga. 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
  CDA10900  Euphorbia spathulata G. F. Hrusa, M. Rejmanek 1993-5-15 10996 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC126550  Eurybia radulina Harley P. Chandler Sep 7 1906-Sep 14 1906 7126 Napa Howell Mountain, Alta Loma Ranch 487 Comment
  UCD19924  Eurybia radulina E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 779 Napa Quail Ridge Reserve. Decker Canyon, junction of West Rd. and Decker Bay trail. 146 Comment
  CDA10863  Festuca californica G. F. Hrusa, M. Rejmanek 1993-5-15 10958 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CHSC57559  Festuca californica J. D. Prouty 1980-6-12 Napa Roadbank of Hwy 29 ca 4.5 mi southwest of summit at R.L. Stevenson State Park. 243 Comment
  JEPS71213  Festuca californica W. L. Jepson 1936-7-3 17647 Napa Howell Mt. Comment
  UCD19336  Festuca californica M. A. Bibbo; E. Dean 2001-7-6 28 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, along upper road by powerline, ca. 0.4 air miles from jct of W and E roads, on steep N facing slope. 274 Comment
  CAS-BOT-BC278343  Festuca californica subsp. californica Peter H. Raven 1957-5-5 10758 Napa Hills at western edge of Calistoga 152 Comment
  HSC9857  Festuca elmeri C. B. Wolf 1928-5-3 1813 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  UC1153831  Festuca idahoensis Beecher Crampton 1956-5-25 3458 Napa head of Martley Canyon Vaca Mountains Comment
  UCR146400  Festuca idahoensis Beecher Crampton 1965-5-13 7328 Napa Inner North Coast Ranges, South end of Chiles Valley on Hwy 128 305 Comment
  UCSB40902  Festuca microstachys Roos, John 1939-4-18 Napa 3.5 mi N. of Pacific Union College; Angwin; roadside below Dilly's place Comment
  CAS-BOT-BC279008  Festuca rubra Peter H. Raven 1951-5-20 2837 Napa W. Oakville 91 Comment
  CAS-BOT-BC279009  Festuca rubra Peter H. Raven 1952-5-31 4152 Napa W. of Rector Dam 182 Comment
  UC1123368  Fraxinus dipetala A. Lewis 1932-5-16 80 Napa Weldon Canyon Napa Quad. 701 Comment
  JEPS78436  Fraxinus latifolia Edward Lee 1936-3-15 1803 Napa 0.75 mi out of Rutherford (Rutherford to Pope Valley road) Comment
  RSA298947  Fraxinus latifolia Edward Lee 1936-3-15 1803 Napa Rutherford, Pope Valley Road, 3/4 mile out of Rutherford Comment
  UCD122053  Fraxinus latifolia Beecher Crampton 1968-5-8 8262 Napa 1/2 mile south of Calistoga. Comment
  SEINET13943203 Image available Fraxinus latifolia Lewis S. Rose 1955-1 55190 Napa Below Conn Lake; 4 mi NE of Rutherford; ca. 200 ft alt. 61 Comment
  CAS-BOT-BC26108  Fremontia napensis Cornelia S. Masters 1915-6-15 s.n. Napa unspecified Comment
  RSA77221  Fremontodendron californicum J. T. Howell 1939-5-7 14653 Napa Near head of Hunting Creek, northwest of Knoxville Comment
  UC1043524  Fremontodendron californicum subsp. californicum P. C. Everett and E. K. Balls 1954-10-19 20370 Napa 3.9 mi nw of Knoxville (on road to Lower Lake) 609 Comment
  SEINET5510212 Image available Fremontodendron californicum subsp. napense A. A. Heller 1941-1 16134 Napa 3 miles west of Knoxville on the road to Lower Lake Comment
  SEINET5518602  Fremontodendron californicum subsp. napense Herbert L. Mason 1935-1 10009 Napa Four miles north of Knoxville Mines Comment
  UCD167091  Fritillaria affinis Jake Ruygt 2015-3-7 6031 Napa South of Snell Peak. 335 Comment
  UCD20922  Fritillaria affinis V. (Shorty) Boucher 2002-4-11 13 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At a bend along West Road, ca. 1000 airline feet E of the locality for Dean 898 - Saxifraga californica. Coordinates are for that locality. 243 Comment
  JEPS33419  Fritillaria affinis Helen-Mar Beard and Wayne Roderick 1964-3-21 Napa 0.2 mi s of the Lake County Line (along Butts Canyon Road); Butts Canyon Road Comment
  JEPS61899  Fritillaria affinis Willis L. Jepson 1893-4-28 14825 Napa n of Wooden Valley Grade (Napa Mountains, Napa River Basin, Milliken Creek); Napa Mountains, Napa River Basin, Milliken Creek Comment
  JEPS61958  Fritillaria pluriflora W. L. Jepson 1936-4-5 17416 Napa s of Knoxville Comment
  CHSC24695  Fritillaria purdyi G. Strang 1976-4-19 13 Napa Top of mesas ca. 2.5 mi. e of Calistoga off of Silverado Trail. 533 Comment
  JEPS113966  Fritillaria purdyi Jake Ruygt 1993-4-3 3185 Napa Little Bear Valley. Detert Reservoir 7.5' Quad. Comment
  JEPS129090  Fritillaria purdyi Jake Ruygt 2016-3-15 6163 Napa Missimer-Fernandes E of Butts Canyon. Aetna Springs 7.5' Quad. Comment
  UCD167997  Fritillaria purdyi James A. Neilson Jr. 1977-4-13 3864 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
  UC796645  Fritillaria recurva Ira L. Wiggins 1949-4-30 12091 Napa Mount St. Helena, near Lake County Line Mount St. Helena Comment
  UCD139676  Fritillaria recurva Heidi E. M. Dobson 1978-4-2 291 Napa Mt. Veeder. Comment
  UCD49239  Galium aparine S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 28 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-Off Rd. 152 Comment
  JEPS52700  Galium bolanderi G. L. Stebbins Jr. 1963-6-12 6130 Napa along creek 2 mi s Lake Berryessa (s side of creek, n-facing slope); Pope Creek 149 Comment
  LA208416  Galium californicum John Thomas Howell; 1930-7-13 5365 Napa Near Troll House, Mt. St. Helena region Comment
  UC102475  Galium californicum subsp. californicum Brandegee Aug. 1888 Napa Howell Mountain Comment
  UC1536781  Galium californicum subsp. californicum G. H. True 1937-6-21 738 Napa near Lokoya Lodge 365 Comment
  UCD121828  Galium nuttallii Joseph M. DiTomaso 1976-4-10 410 Napa 4 miles west of Monticello Dam, Lake Berryessa, on Highway 128. Comment
  JEPS110600  Galium parisiense Jake Ruygt 1981-5-27 1034 Napa .3 mile south of Sage Canyon Rd. on Lower Chiles Valley Rd. 274 Comment
  JEPS110599  Galium porrigens var. porrigens Jake Ruygt 1986-3-14 1645 Napa about 1 mile N of HWY 12 and 1/2 mile east of Sonoma Co. line 103 Comment
  UCD18071  Galium porrigens var. porrigens Ellen Dean; with Plant Biology 102 class 2000-4-22 626 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  UCD121147  Gamochaeta ustulata Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7347 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.2 mile from Fire Station, along dirt road that travels north/northeast from Station. 522 Comment
  UCD168538  Gamochaeta ustulata 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
  CDA14220  Garrya congdonii G. F. Hrusa 1997-2-3 13617 Napa North Coast Biodiversity Arena; margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam ~ 1/2 mi. Comment
  UC875998  Garrya congdonii John Thomas Howell 1939-5-7 14652 Napa Lower Lake - Knoxville road; at Lake County line Comment
  UCR198123  Garrya congdonii K. Carpenter, Ellen Dean, K. Chaney 2000-8-18 59 Napa UC McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, along west side of Devilhead Road, top of ridge by air quality station 561 Comment
  JEPS66756  Garrya flavescens W. L. Jepson 1936-2-8 17399 Napa near Four Corners (Adam and Eve Ridge); Howell Mt. Comment
  JEPS66757  Garrya flavescens W. L. Jepson 1936-2-8 17400 Napa Adam and Eve Ridge; Howell Mt. Comment
  CAS-BOT-BC144378  Garrya fremontii Alice Eastwood 1922-3-26 11110 Napa Mt. St. Helena Comment
  CAS-BOT-BC144379  Garrya fremontii H. E. McMinn 1925-1-23 1363 Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC144386  Garrya fremontii H. L. Mason 1925-1-22 1201 Napa Wooden Valley Grade Comment
  JEPS66733  Garrya fremontii W. L. Jepson 1896-2-22 14160 Napa Crystal Springs grade to Howell Mt. Comment
  JEPS66741  Garrya fremontii W. L. Jepson 1913-4-15 5316 Napa Howell Mt. 609 Comment
  CAS-BOT-BC278653  Gastridium phleoides R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6659 Napa 5 mi. E. of St. Helena on road to Pope Valley 304 Comment
  CAS-BOT-BC278656  Gastridium phleoides Peter H. Raven 1951-6-26 3083 Napa Cappell Valley 365 Comment
  UCD83409  Geranium carolinianum Jake Ruygt 2009-4-25 5400 Napa Conn Valley Rd., ca. 1/3 mi E of Howell Mountain Rd. 115 Comment
  JEPS86271  Geranium dissectum H. P. Chandler 1907-5-14 7577 Napa St. Helena, White Sulphur Spring White Sulphur Spring; St. Helena, White Sulphur Spring Comment
  UCD103394  Geranium dissectum M. Wiesendanger 1927-5-4 666 Napa Near Monticello. Comment
  UCD117464  Geranium molle Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. In between road and fire station. Ca. 10 feet from road. 520 Comment
  OBI71998  Geranium purpureum Barbara Ertter, Jake Ruygt 1996-4-25 14601 Napa Kroeber Ranch on NE flank of Mt. St. John, W of Rutherford in Napa Valley Comment
  JEPS21822  Geranium robertianum Margaret Whitmore 1958-4-3 33 Napa 3 mi nw Napa (on Redwood Road) 30 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
  JEPS69529  Gilia capitata subsp. capitata W. L. Jepson 1893-6-26 15073 Napa Howell Mtn. , Howell Mtn. (Napa River Basin) Comment
  JEPS69535  Gilia capitata subsp. capitata W. L. Jepson Nov. 1895 20941 Napa sw St. Helena (White Sulphur Spring); sw of St. Helena, White Sulphur Springs Comment
  HSC16982  Gilia tricolor Greg Bos 1963-3-30 51 Napa 1.6 mi. up Old Toll Rd. out of Calistoga 305 Comment
  SEINET5732137 Image available Gilia tricolor Linda Dodge 1974-1 13 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon and Chiles Valley Road intersection. 183 Comment
  UC1197915  Gilia tricolor subsp. tricolor Louise Martin 1902-5-15 1446 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); head of Moore's Creek, Howell Mountain 365 Comment
  UCD167228  Gilia tricolor subsp. tricolor Jake Ruygt 1982-4-7 1170 Napa Suscol Hill west of Highway 29 (221). 24 Comment
  SEINET7072768  Githopsis pulchella A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  JEPS11814  Githopsis specularioides Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  CAS-BOT-BC303820  Gnaphalium John Thomas Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St Helena Comment
  JEPS106908  Gnaphalium palustre Jake Ruygt 1996-6-23 3752 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 277 Comment
  POM204465  Gratiola ebracteata J. T. Howell 1933-5-21 11322 Napa Napa Comment
  CAS-BOT-BC304891  Grindelia hirsutula John Thomas Howell 1932-10-8 10806 Napa Cuttings Wharf on Napa River Comment
  CAS-BOT-BC304898  Grindelia hirsutula Peter H. Raven 1952-8-26 5132 Napa W. Bentley Wharf 15 Comment
  CAS-BOT-BC304899  Grindelia hirsutula Peter H. Raven 1953-10-4 6365 Napa Duttons Landing 0 Comment
  CAS-BOT-BC314580  Grindelia hirsutula Peter H. Raven 1951-6-26 3099 Napa 4 miles N of Vallejo near Solano Co. line 30 Comment
  RSA128656  Grindelia hirsutula Peter H. Raven 1951-6-26 3040 Napa E of Napa on Monticello Rd. 61 Comment
  SEINET3142699  Grindelia hirsutula M. P. Dunford 1959-10-3 556 Napa 3/4 mi. N of Samuel Springs; along Trout Creek, 100 yards S of creek mouth Comment
  UC134569 Image available Grindelia hirsutula Alice Eastwood 1900-5-7 Napa Calistoga Comment
  UC1536846  Grindelia hirsutula G. H. True 1937-6-21 732 Napa near Lokoya Lodge 365 Comment
  CAS-BOT-BC8138  Harmonia hallii Harvey Monroe Hall 1931-5-27 13094 Napa Near Knoxville, NE Napa County. Comment
  JEPS100843  Harmonia hallii Dean Wm. Taylor with Mey Akasah 1999-6-4 17219 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  UC556409  Harmonia hallii H. M. Hall 1931-5-27 13094 Napa near Knoxville (ne Napa Co.); ; near Knoxville, NE Napa Co. Comment
  UCD170159  Harmonia hallii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 779 Napa Knoxville Wildlife Area, on road above and east of upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 522 Comment
  CAS-BOT-BC302217  Harmonia nutans Willis L. Jepson 1893-4-28 s.n. Napa Wooden Valley Grade, Napa River Basin Comment
  CAS-BOT-BC302222  Harmonia nutans John Thomas Howell 1930-7-13 5348 Napa Edge of the Crater Country Comment
  CAS-BOT-BC302224  Harmonia nutans Peter H. Raven 1953-5-2 5418 Napa Soda Creek Canyon ca. 2 mi. below Foss Valley 335 Comment
  CAS-BOT-BC302225  Harmonia nutans Peter H. Raven 1950-4-15 1752 Napa Wooden Valley Grade above Napa 457 Comment
  CAS-BOT-BC302241  Harmonia nutans David D. Keck 1933-5-28 2329 Napa Howell Mountain, ca. 1 mile southwest of Pacific Union College Comment
  CAS-BOT-BC302248  Harmonia nutans David D. Keck 1931-4-2 1027 Napa Wooden Valley Grade, west side of Napa Range, 5.5 miles NE. of Napa 200 Comment
  JEPS13616  Harmonia nutans W. L. Jepson 1904-6-3 2440 Napa Howell Mt. Comment
  JEPS40020  Harmonia nutans W. L. Jepson 1904-6-3 2440 Napa Howell Mt. 792 Comment
  UC185684  Harmonia nutans Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  UC894091  Harmonia nutans Alice Eastwood 1916-6-6 4664 Napa Mt. St. Helena Comment
  UC905678  Harmonia nutans David D. Keck 1931-4-2 1027 Napa 5.5 mi ne Napa; west side of Napa Range, Wooden Valley Grade 200 Comment
  RSA133703  Helianthemum scoparium var. vulgare John H. Thomas 1955-5-21 5107 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  JEPS106670  Helianthus bolanderi Jake Ruygt 1991-8-5 2821 Napa 3.2 miles north of Pope Creek on Berryes sa-Knoxville Rd. 118 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
  SEINET3930499  Helianthus bracteatus David Keil 1986-11-8 19789 Napa Along Lake Berryessa Knoxville Road, near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  JEPS106668  Helianthus californicus Jake Ruygt 1991-7-19 2787 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 135 Comment
  CAS-BOT-BC305617  Helianthus californicus Alice Eastwood; John Thomas Howell 1939-8-20 7619 Napa Capell Creek Comment
  CHSC103019  Heliotropium curassavicum Lowell Ahart 2009-10-12 16432 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD74368  Heliotropium curassavicum var. oculatum Jake Ruygt 1991-6-29 2762 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville Rd. 121 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
  JEPS37515  Helminthotheca echioides W. L. Jepson 1918-6-25 7671 Napa Oakville Napa Valley Comment
  JEPS121370  Hemicarpha micrantha var. minor Jake Ruygt 1986-8-3 1894 Napa Milliken Creek about .5 mile south of Foss Valley. Comment
  RSA81516  Hemizonia clevelandii James I. McMurphy 1909-8-7 696 Napa Calistoga. Comment
  JEPS40232  Hemizonia congesta subsp. clevelandii Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  UC88998  Hemizonia congesta subsp. clevelandii Edward Lee Greene 1883-8-1 Napa Calistoga Comment
  CAS-BOT-BC306151  Hemizonia congesta subsp. clevelandii Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  UCD132979  Hemizonia congesta subsp. congesta Heidi E. M. Dobson 1978-5-25 330 Napa Mount Veeder. Comment
  UC197528  Hemizonia congesta subsp. lutescens H. M. Hall 1915-8-12 10095 Napa near Napa Junction Comment
  JEPS38290  Hemizonia congesta subsp. luzulifolia W. L. Jepson 1930-10-19 15690 Napa Pope Valley Comment
  SEINET3930506  Hemizonia congesta subsp. luzulifolia David Keil 1986-11-8 19792 Napa Along Lake Berryessa Knoxville Road near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  UC222698  Hemizonia congesta subsp. luzulifolia H. M. Hall 1923-10-14 11942 Napa 8 mi w Pope Valley Comment
  CAS-BOT-BC309843  Hemizonia congesta subsp. luzulifolia Joseph Andorfer Ewan 1933-9-17 7999 Napa In Napa, Napa Valley Comment
  UCD161401  Heracleum maximum Jake Ruygt 1979-4-9 495 Napa NE corner of Trefethen Vineyards, Dry Creek. (Coordinates estimated by label maker at UC Davis). 22 Comment
  UC175984  Hesperevax acaulis var. robustior Joseph P. Tracy May 15 1903-May 18 1903 1864 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  UCD161602  Hesperevax sparsiflora var. sparsiflora Jake Ruygt 1998-6-24 4058 -b Napa Goslin Canyon, north of hunting camp. Comment
  UC2026900  Hesperocyparis macnabiana David Keil 1986-11-8 19788 Napa Along Lake Berryessa Knoxville Rd. near Knoxville 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill Comment
  UCD161646  Hesperocyparis macnabiana Jake Ruygt 2006-3-23 4960 Napa north of Potato Hill, Wildlake Ranch. (Coordinates coverted from UTM data by label maker.) 685 Comment
  HSC46349  Hesperocyparis sargentii J. P. Smith, J. O. Sawyer 1970-5-17 3786 Napa 9 mi. N of Pope Valley Comment
Read comments
Jun 12 2012
  UC1736419  Hesperolinon Dean W. Taylor 1998-6-18 16669 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley Comment
  UC1212358  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4140 Napa canyon at junction of Snell Valley road; Inner North Coast Ranges, Butts Canyon 196 Comment
  UCD160677  Hesperolinon bicarpellatum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8749 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 178 Comment
  UCR261636  Hesperolinon bicarpellatum Ann Howald 2003-5-23 2340 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 190 Comment
  OBI57139  Hesperolinon breweri David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24510 Napa Along Aetna Springs Road on east slope of Sugarloaf Mountain Comment
  JEPS122837  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-18 228 Napa Along dirt road offshoot from Dollarhide Road, which originates on Hardin Road just north of Wantrup Wildlife refuge - access is through St. Suprey vineyards. Comment
  JEPS122907  Hesperolinon californicum Adam C. Schneider 2015-6-10 938 Napa Shadhiliyya Sufi Center at Walter Springs (accessed via turnoff from Pope Canyon Rd). Comment
  JEPS32283  Hesperolinon californicum Willis L. Jepson 1893-6-26 13535 Napa Howell Mt. Napa River Basin Comment
  SD51666  Hesperolinon californicum Helen K. Sharsmith 1952-6-20 4146 Napa Near Pope Creek at its outlet from Pope Valley. 152 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
  UCD110499  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4106 Napa Slopes of Sage Canyon, south side of Conn Dam. 76 Comment
  JEPS112587  Hesperolinon clevelandii Jake Ruygt 1992-6-22 3047 Napa northwest of vernal pool meadow, Wild Horse V. Ranch 463 Comment
  JEPS122781  Hesperolinon clevelandii Jake Ruygt 1980-6-22 943 Napa Scott's Flat, Aetna Mined Road. QUAD: Capell Valley Comment
  RSA151704  Hesperolinon clevelandii H. K. Sharsmith 1957-5-30 4598 Napa West side of Howell Mountain 2.4 miles west of Angwin. 305 Comment
  UC1212330  Hesperolinon clevelandii Helen K. Sharsmith 1957-5-30 4597 Napa 1.1 mi beyond town of Pope Valley (on road to St. Helena); Inner North Coast Ranges, Howell Mountain 304 Comment
  SEINET6691244  Hesperolinon clevelandii K. Brandegee 1911-6-29 113 Napa Butts Canon, near Aetna Comment
  JEPS122798  Hesperolinon disjunctum Jake Ruygt 2005-7-10 4942 b Napa Oat Hill Mine Road North, near Corona Mine. QUAD: Detert Reservoir. Comment
  JEPS129121  Hesperolinon disjunctum Jake Ruygt 2015-5-2 6089 Napa West of Buck Mountain near Nevada Creek. Knoxville 7.5' Quad. Comment
  OBI22870  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4149 Napa Inner North Coast Ranges. NE of Knoxville ca 2 mi on Knoxville-Lower lake rd 610 Comment
  UCD149555  Hesperolinon drymarioides G. L. Stebbins 1970-7-17 7058 Napa South of Knoxville on Devilhead road. Three miles south of the junction with Berryessa-Knoxville Rd. (Exact location unknown. Coordinates estimated by label maker.) 463 Comment
  JEPS122777  Hesperolinon micranthum Jake Ruygt 1980-5-13 893 Napa Mt. St. John. QUAD: Rutherford Comment
  UC1212276  Hesperolinon micranthum Helen K. Sharsmith 1951-10-21 4038 Napa above Sage Creek (w side of Chiles Valley); Inner North Coast Ranges, Chiles Valley 259 Comment
  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
  UC1601208  Hesperolinon micranthum Helen K. Sharsmith 1958-10-16 4615 b Napa s side above road Conn Cam; Inner North Coast Ranges 121 Comment
  UC1601273  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4641 Napa slope above Soda Creek Canyon (near Hwy 128 four mi beyond junction of Hwy 37 Locality for HKS 4595); Inner North Coast Ranges, Cappell Valley 213 Comment
  UCD110538  Hesperolinon micranthum M. Ensign 1943-5-28 326 Napa 24 miles from Monticello on road to Lower Lake. Comment
  JEPS122790  Hesperolinon sharsmithiae Jake Ruygt 2009-6-22 5446 Napa Near Capell Creek, west of Bear Flat. QUAD: Capell Valley. Comment
  JEPS122849  Hesperolinon spergulinum Adam C. Schneider with Dick O'Donnell 2013-5-26 209 Napa Along Aetna Mine Road, by junction with Aenta Springs Rd. Comment
  JEPS32290  Hesperolinon spergulinum W. L. Jepson 1893-6-26 14380 Napa Howell Mt. Comment
  POM86846  Hesperolinon spergulinum Marcus E. Jones 1881-7-6 343 Napa St. Helena. Comment
  UC1212406  Hesperolinon spergulinum Joseph P. Tracy 1938-6-5 15828 Napa 5 mi e Angwin's (on hills at head of Moore Creek); Howell Mountain, Moores Creek 365 Comment
  UC703179  Hesperolinon spergulinum John Thomas Howell 1941-6-21 16316 Napa hills sw St. Helena Comment
  JEPS32289  Hesperolinon spergulinum W. L. Jepson 1894-7-19 13542 Napa grade up Mt. St. Helena from Calistoga ((at schoolhouse)) Comment
  JEPS11799  Heterocodon rariflorum Willis L. Jepson 1893-1 Napa grade below New Eden (Howell Mt); Napa River Basin, Howell Mt. Comment
  SEINET10460655  Heterocodon rariflorum Tracy TRACY 2226 Napa HOWELL MTN. Comment
  UCD48194  Heteromeles arbutifolia R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 23 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  RSA518726  Heterotheca oregona var. compacta Barbara Ertter, E. Neese 1988-10-2 7949 Napa Lake Hennessey, ca. 15 airmiles NNW of Napa, on Conn Crk in North Coast Ranges. 91 Comment
  CAS-BOT-BC424163  Heuchera micrantha var. erubescens Alice Eastwood 1915-6-5 4577 Napa Petrified Forest Comment
  UCD133136  Hieracium albiflorum K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  UCD133137  Hieracium albiflorum K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  UC1197461  Hoita macrostachya Joseph P. Tracy 1899-7-6 391 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek, along water courses); Northern Coast Ranges, Howell Mountain 457 Comment
  UC764637  Hoita macrostachya R. F. Hoover 1941-8-24 5573 Napa Mt. St. Helena; e side Comment
  UCD75825  Hoita macrostachya Jake Ruygt 2000-6-10 4274 Napa Adams Creek. 445 Comment
  CAS-BOT-BC280701  Holcus lanatus Betty H. Johnson 1958-6-20 672 Napa About 1/2 mile above Mt. Mill House, 6.4 miles SW of Middletown Comment
  CAS-BOT-BC324649  Holocarpha virgata Peter H. Raven 1952-8-26 5149 Napa Railway 3/4 mile west of Buchli Sta. 30 Comment
  UCD164825  Holocarpha virgata subsp. virgata Jake Ruygt 2012-8-25 5877 -z Napa South of Spanish Valley. 350 Comment
  UC1128007  Holodiscus discolor A. Lewis 1932-5-18 97 Napa Dry Creek 152 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
  UC89201  Holozonia filipes Brandegee 1888-8-1 Napa Howell Mountain Comment
  CAS-BOT-BC315789  Holozonia filipes L. S. Rose 1927-5-28 s.n. Napa Napa Valley Comment
  UCD148837  Hordeum brachyantherum Ellen Dean; Diana Hickson 2014-4-29 8141 a Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  UCD83854  Hordeum brachyantherum Ellen Dean; Kate Mawdsley 2010-4-30 5944 a Napa Valley Gate Vineyard, lands near intersection of Hwy 12 and Kirkland Ranch Rd. 71 Comment
  CAS-BOT-BC280879  Hordeum brachyantherum subsp. brachyantherum Peter H. Raven 1950-4-15 1702 Napa Napa 9 Comment
  UCD85513  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1953-5-19 1308 Napa Chiles Valley. Digger Pine belt. 10 miles west of Monticello, along Hwy. 128. Comment
  UCD85635  Hordeum depressum R. Tofsrud 1949-4-1 s.n. Napa Calistoga. Myrtledale Hot Springs. Comment
  CAS-BOT-BC285096  Hordeum marinum subsp. gussoneanum Peter H. Raven 1952-5-29 4078 Napa Napa River 1 mi. n. Napa 60 Comment
  UCD18144  Hordeum marinum subsp. gussoneanum Jean Shepard; with PLB 102 class 2000-4-29 199 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD20739  Hordeum murinum Ellen Dean; w/ Mark Bibbo 2002-6-17 1103 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. By field station, in the middle of the parking lot. 384 Comment
  UC1198714  Horkelia californica subsp. dissita J. P. Tracy 1899-6-14 374 Napa 3-4 mi e Angwin's (Head of Moore's Creek); Howell Mountain, Moore's Creek Comment
  JEPS104554  Hydrocotyle ranunculoides Jake Ruygt 1991-7-20 2772 Napa L.Orville, Friesen's Lakes, Angwin 563 Comment
  UCD166690  Hypericum anagalloides Jake Ruygt 1982-6-29 1347 Napa on east side of Hwy 29, 0.3 mi south of Old Bale Mill. 88 Comment
  JEPS121458  Hypericum concinnum Adam C. Schneider with Dick O'Donnell 2013-5-26 204 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road Comment
  UC127127  Hypericum concinnum Harley P. Chandler Sep 7 1906-Sep 14 1906 7106 Napa Howell Mt., Alta Loma Ranch 487 Comment
  RSA458220  Hypericum concinnum E. S. Spalding 1924-7-3 s.n. Napa St. Helena Comment
  UCSB4123  Hypericum concinnum Chisaki, Francia; Kamb, Peter 1950-6-9 Napa Road to Monticello; about 20 miles south of Lower Lake Comment
  CHSC114327  Hypericum perforatum D. G. Kelch 2010-4-28 10162 Napa N. Rockville along Suisun Valley Rd. near Napa County Line. 159 Comment
  UCD48646  Hypochaeris glabra L. Wynholds; S. Du Plessis, B. Erickson, C. Malleck 2001-4-14 16 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along N. Decker Canyon Rd., 50-70 ft. N of stream. 167 Comment
  JEPS126050  Iris fernaldii Jake Ruygt 2002-4-1 4381 Napa West of Calistoga above Blossom Creek. Mark West Springs 7.5' Quad. Comment
  UCD70456  Iris fernaldii J. D. Clark 1995-5-27 21 Napa Robert Lewis Stevenson State Park. East of hwy 129; 1/1-3/4 mi from trailhead along trail. Shaded site. 548 Comment
  RSA135911  Iris fernaldii Lee W. Lenz, E. K. Balls 1955-5-17 20763 Napa 7.6 miles south of Lake-Napa County line to State Highway 29, Middletown to Calistoga 442 Comment
  SEINET4170695  Iris fernaldii Unknown 1969-5-24 Napa End of Capell Valley W. of Lake Berryessa. 198 Comment
  UC896991  Iris fernaldii Milo S. Baker 1932-4-26 3955 Napa highway s Monticello Comment
  UCD138728  Iris fernaldii R. H. Miller 1949-5-8 48 Napa beside Highway 37, about 10 miles northeast of Napa. Comment
  CDA10842  Iris macrosiphon G. F. Hrusa, G. L. Stebbins 1994-4-18 11779 A Napa North Coast Biodiversity Arena; Along Swartz Cyn. Rd. 1.5 m. W of Aetna Springs. 228 Comment
  UCD160672  Iris macrosiphon Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8745 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  SEINET12049801  Iris macrosiphon F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -303 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 780 Comment
  UCD138766  Iris macrosiphon R. L. Smith 1948-5-8 s.n. Napa east branch of Monticello Valley near Samuel Springs. Comment
  JEPS126029  Iris orientalis Jake Ruygt 1998-5-23 3992 Napa Imola Ave, Napa; east side of river and south street. Napa 7.5' Quad. Comment
  UCD147466  Isoetes howellii Ellen Dean; Diana Hickson 2014-4-29 8079 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  CAS-BOT-BC57722  Isoetes howellii D. E. Breedlove 1974-4-27 36200 Napa along Silverado Trail just north of junction with Oak Knoll Road Comment
  UCD135860  Isoetes howellii W. R. Russell 1972-5-25 s.n. Napa Just west of State Highway 29 and south of Calistoga. Comment
  UC1751075  Isoetes orcuttii Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2761 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  SD147981  Juglans hindsii Stephanie Perez 1974-4-26 21 Napa Silverado Trail N. ca. 0.5 mile north of intersection with Deer Park Road. 152 Comment
  UCD83861  Juncus balticus subsp. ater Ellen Dean; Stephen Rae 2010-3-15 5819 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  UCD95978  Juncus balticus subsp. ater Ellen Dean; with Clare Loughran 2011-5-20 7069 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
  JEPS122667  Juncus bolanderi Jake Ruygt 1991-6-29 2738 Napa Friesen Drive about 0.2 mile south of Lake Henne. Quad: St. Helena. Comment
  UC1601694  Juncus bufonius Ferd. L. Clarke 1892-1 Napa near Yountville Comment
  JEPS126040  Juncus dubius Jake Ruygt 1992-3-18 2974 Napa Yountville Ecological Reserve, Yountville Cross Road. Yountville 7.5' Quad. Comment
  UCD160765  Juncus hemiendytus var. hemiendytus Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8635 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
  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
  UC1601770  Juncus occidentalis J. Burtt Davy 1894-9-29 740 Napa Calistoga Comment
  UC184101  Juncus occidentalis Joseph P. Tracy 1905-7-5 2211 Napa 3-4 mi e Angwin's (at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  RSA517032  Juncus occidentalis W. L. Jepson 1936-6-1 17579 Napa West side of Four Corners, Howell Mt., Napa Range. Comment
  UCD19920  Juncus patens E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 776 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
  RSA40264  Juncus patens L. S. Rose 1946-8-18 46264 Napa 3 miles NE of Napa. 61 Comment
  UC750690  Juncus patens Lewis S. Rose 1946-8-18 46264 Napa 3 mi ne Napa 60 Comment
  UC1151996  Juncus phaeocephalus var. paniculatus Joseph P. Tracy 1938-6-6 15847 Napa about 5 mi n Napa Comment
  JEPS103998 Image available Juniperus californica Jake Ruygt 1981-7-23 1080 Napa about 1 mile north of Berryessa Peak, Blue Ridge 822 Comment
  POM161357  Keckiella lemmonii R. C. Bacigalupi 1928-6-20 1873 Napa Howell Mt. 10 miles west of St Helena. Comment
  RSA14978  Kickxia elatine H. P. Bracelin 1931-12-5 575 Napa Conn Creek, east of Rutherford, Comment
  CDA10910  Koeleria macrantha G. F. Hrusa, M. Rejmanek 1993-5-15 11006 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS85019  Koeleria macrantha Larry Heckard and Mary Ashton 1969-5-3 2225 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd.); ne of Napa, off Atlas Peak Rd., Mead Ranch 510 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
  UCD170427  Koeleria macrantha Daniel Potter; A Holland, D McNair, H Won, K Battenberg 2016-4-17 902 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 420 Comment
  UCD85736  Koeleria macrantha Beecher Crampton 1956-5-25 3460 Napa Vaca Mountains, head of Markley Canyon. Comment
  UCD85793  Koeleria macrantha Beecher Crampton 1965-5-13 7334 Napa Conn Reservoir, 4.5 miles east of Rutherford. Comment
  JEPS115849  Lactuca saligna Lowell Ahart 2009-10-12 16425 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winter 133 Comment
  CAS-BOT-BC26055  Lagophylla dichotoma subsp. minor David D. Keck 1933-5-29 2338 Napa bridge over Pope Creek, just south of Walters Spring. Comment
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Mar 3 2018
  CAS-BOT-BC26056  Lagophylla dichotoma subsp. minor David D. Keck 1933-5-29 2338 Napa bridge over Pope Creek, just south of Walters Spring Comment
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Mar 3 2018
  SEINET7545154  Lagophylla dichotoma subsp. minor D. D. Keck 1933-1 2338 Napa Bridge over Pope Creek, just S of Walters Spring Comment
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Mar 3 2018
  JEPS89774  Lagophylla minor Dean Wm. Taylor with Glenn L. Clifton 1990-5-25 10803 Napa Butts Canyon Road near junction with Snell Road (North Coast Ranges); , Butts Canyon Road 204 Comment
  CAS-BOT-BC341432  Lagophylla minor Peter H. Raven 1951-5-6 2821 Napa Silverado Trail 3/4 mile Conn Dam 152 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
  UCD38947  Lagophylla ramosissima Beecher Crampton 1961-9-19 5978 Napa 3 miles east of Moskowite Corner, State Hwy. 128. Comment
  UCD133621  Lagophylla ramosissima K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  CHSC84558  Lasthenia californica John Dittes 2003-4-5 2003 -11 Napa Inner North Coast Range; Napa Valley; approximately 1.6 air-miles north by northwest of Calistoga City Hall, approximately 0.9 air-mile northwest of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Road and Tubbs Lane. 121 Comment
  CAS-BOT-BC338272  Lasthenia californica Peter H. Raven 1950-4-15 1730 Napa Monticello Road, Napa Valley, near Napa 182 Comment
  CAS-BOT-BC338275  Lasthenia californica Gilbert Muth 1967-4-16 633 Napa Snell Valley 182 Comment
  RSA0018558  Lathyrus Keith E. Hoffmaster 1946-3-23 1086 Napa Napa range, along Napa-Monticello road Comment
  JEPS107199  Lathyrus jepsonii subsp. californicus Jake Ruygt 1990-5-28 2567 Napa end of Tamalpias St.,Napa 15 Comment
  RSA672690  Lathyrus jepsonii subsp. jepsonii David Amme 2002-10-8 s.n. Napa South east of the town of Napa, growing along the east bank of the Napa River on the northerly side of the old Maxwell Bridge (Imola Ave.). Population extends along the upper edges of the river bank from the bridge northward another 70 feet. 2 Comment
  SEINET956248  Lathyrus torreyi S. Walker 1983-1 83 H-108 Napa Ida Clayton Road; northwest side of Mount St. Helena. Comment
  UCD75718  Lathyrus torreyi Jake Ruygt 2007-4-15 5153 Napa Las Posadas State Forest, upper Wildcat Canyon at hunting camp. 451 Comment
  SEINET956311  Lathyrus vestitus Paul C. Hutchison 1963-1 2673 Napa 2 miles above the St. Helena Sanitarium along the road to Pope Valley. Comment
  UCD106481  Lathyrus vestitus Paul C. Hutchinson 1963-3-3 2673 Napa 2 miles above the St. Helena Sanitarium along the road to Pope Valley. Comment
  UCD168571  Lathyrus vestitus Stephen P. Rae; A. Solomeshch 2007-3-19 s.n. Napa Lieff property east of Rutherford, 40 Auberge Road above Rutherford Hill Road, just north of the intersection of Silverado Trail and Highway 128. 165 Comment
  UCD73406  Lathyrus vestitus 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
  RSA633298  Lathyrus vestitus subsp. vestitus Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-7 8166 Napa Along Rt. 128 at road marker 24/80 Comment
  UCD106542  Lathyrus vestitus var. ochropetalus G. F. Hrusa 1992-4-15 10380 Napa Along Hwy. 128 app. 2 m. N of Knoxville-Berryessa Rd. Comment
  UCD48893  Lathyrus vestitus var. vestitus C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 10 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along Decker Bay Trail, approx. 260' W of jct with West Rd., S side of trail, approx. 10' from trail. 152 Comment
  UCD48944  Lathyrus vestitus var. vestitus Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd., W of creekbed. 182 Comment
  UCD167992  Layia James A. Neilson Jr. 1977-4-13 3870 a Napa Oat Hill Mine Rd., 1/2 mile east Maple Springs. (Exact location unknown, coordinates estimated by label maker.) Comment
  JEPS106620  Layia chrysanthemoides Jake Ruygt 1978-3-31 254 Napa north of Suscol Hill and west of HWY 29 (221) 4 Comment
  CAS-BOT-BC323190  Layia chrysanthemoides John Thomas Howell 1926-3-27 1754 Napa Soscol Comment
  RSA261531  Layia chrysanthemoides Gilbert Muth 1971-4-10 1393 Napa Snell Valley, W side of extreme NW arm-tip of Lake Berryessa, northern Napa County. 152 Comment
  POM260852  Layia platyglossa subsp. campestris J. T. Howell 1940-5-19 15458 Napa Upper St. Helena Creek Comment
  JEPS34473  Lemna minuscula L. R. Heckard 1964-5-23 1362 Napa about 2 mi sw of Aetna Springs (Cleary Reserve (Nature Conservancy)); Cleary Reserve (Nature Conservancy) 365 Comment
  CAS-BOT-BC534948  Lemna minuta Evelina Cannon 1901-7-15 s.n. Napa Johannisberg Comment
  CAS-BOT-BC534949  Lemna minuta Peter H. Raven 1953-4-2 5291 Napa Tulucay Creek 243 Comment
  SEINET9342757  Lepechinia calycina Unknown 1998-6-2 32 Napa Napa Co., CA Comment
  UCD159945  Lepechinia calycina Alice Warrick 2008-4-22 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section, near top. 243 Comment
  UCD49099  Lepechinia calycina A. Collier; D. Caterson and S. Kenady 2002-5-4 12 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off S side of road 2 meters. Moderate slope, S-facing. 338 Comment
  UCD115356  Lepidium didymum Mrs. Rice 1921-9-27 s.n. Napa Windsor. Comment
  CHSC102265  Lepidium latifolium Lowell Ahart 2009-10-27 16482 Napa Below the high water line of Lake Berryessa, about 150 yards southeast of Eticuera Creek, about 250 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  RSA696168  Lepidium nitidum Keith E. Hoffmaster 1946-3-23 1058 Napa Napa range, along Napa-Monticello road Comment
  CAS-BOT-BC12515  Lepidium nitidum Peter H. Raven 1953-3-29 5199 Napa Near geysers, Calistoga. 106 Comment
  JEPS106843  Lepidium nitidum var. nitidum Jake Ruygt 1979-3-5 439 Napa Trefethen Vineyards, Oak Knoll 32 Comment
  CAS-BOT-BC12790  Lepidium perfoliatum J. W. Stacey 1931-4-4 s.n. Napa Near Vallejo. Comment
  UCD161697  Lepidium strictum Jake Ruygt 2010-5-20 5560 Napa west end of Soscol Ferry Road, 100 yards from Napa River. 6 Comment
  UCD118593  Leptosiphon androsaceus G. L. Stebbins 1983-5-8 C 3115 Napa Chiles Valley area. Comment
  UCD118599  Leptosiphon androsaceus M. Wiesendanger 1928-4-6 884 Napa Redwood Highway between Calpella and Willits. Comment
  OBI6321  Leptosiphon androsaceus Lewis S. Rose 1961-3-30 Napa 1 mi. n. of Conn Reservoir, Lake Hennessy. 152 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
  UCD49208  Leptosiphon bicolor M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 16 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 274 Comment
  CAS-BOT-BC226693  Leptosiphon jepsonii L. R. Abrams 1928-5-3 12221 Napa St. Helena Grade Comment
  JEPS129077  Leptosiphon parviflorus Jake Ruygt 2016-4-12 6184 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  SJSU8698  Leptosiphon parviflorus E. C. Garbett 1961-4-15 308 Napa Oakville Grade midway between Mt Veeder Rd & Oakville Comment
  UCD118393  Leptosiphon parviflorus Rachael Olliff; 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
  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
  UCD39140  Lessingia hololeuca Beecher Crampton 1964-8-18 7153 Napa 2 miles north of Calistoga, Myrtledale Hot Springs area, Tubbs Lane. Comment
  JEPS106628  Lessingia ramulosa Jake Ruygt 1979-6-9 690 Napa 21.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 487 Comment
  UC1069829  Lessingia ramulosa B. Schreiber 1936-9-20 2351 Napa 5 mi s Reiff; Reiff Quad. Comment
  UC33165  Lessingia ramulosa H. N. Bolander 1863-1 2617 Napa Pope Valley Comment
  SEINET7075535  Lewisia rediviva 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
  UC1198370  Lewisia rediviva Joseph P. Tracy 1902-5-21 1592 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 335 Comment
  UCD48078  Lewisia rediviva D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa, and K. Watts 2000-4-28 8 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., ca. top of hill, south of path. 548 Comment
  CAS-BOT-BC444418  Lewisia rediviva Maxine Wilkes 1940-5-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC444419  Lewisia rediviva Colleena Stewart 1918-4-29 s.n. Napa Mt. St. Helena Comment
  UC7815  Lewisia rediviva Brewer 976 Napa Napa and Sonoma Comment
  UCD161607  Ligusticum apiifolium Jake Ruygt 1999-5-23 4171 Napa upper Ritchey Creek trail, Bothe State Park. 350 Comment
  UC1103518  Lilaea scilloides J. P. Tracy 1903-5-16 1850 Napa near Calistoga; San Francisco Bay Region 91 Comment
  CAS-BOT-BC451587  Lilaea scilloides Peter H. Raven 1953-5-2 5364 Napa East of Yountville 76 Comment
  UC619361  Lilaeopsis masonii Wilhelm N. Suksdorf 1913-7-24 630 Napa Comment
  POM290968  Lilium rubescens Lyman Benson 1934-6-15 6099 Napa Mt. St. Helena 762 Comment
  HSC45342  Limnanthes douglasii R. York 1978-4-8 117 Napa Pope Valley, Lake Springs Ranch 305 Comment
  JEPS112544  Limnanthes douglasii subsp. douglasii Jake Ruygt 1978-3-31 250 Napa east of HWY 29 on Suscol Hill 4 Comment
  POM137445  Limnanthes douglasii subsp. douglasii C. F. Baker 1903-4-19 1991 Napa Calistoga. Comment
  CAS-BOT-BC361310  Limnanthes douglasii subsp. nivea Richard R. Halse 2013-3-27 8757 Napa Along the Chiles and Pope Valley Road ca 4.7 miles NW of its junction with the Lower Chiles Valley Road. 230 Comment
  SEINET6670525  Limnanthes douglasii subsp. nivea M. J. Williams 1967-5-7 s.n. Napa Pope Valley 198 Comment
  UC971839  Limnanthes douglasii subsp. nivea Stanley G. Smith 1948-4-25 498 Napa on Hwy 29 n Yountville Comment
  CDA11597  Linanthus androsaceus G. F. Hrusa, S. Larson 1995-4-1 12054 Napa North Coast Biodiversity Arena; along Chiles-Pope Valley Rd., approx. 2 m. above Lake Hennessey. Comment
  JEPS110960  Linanthus androsaceus Jake Ruygt 1979-4-29 559 Napa .4 miles west of HWY 29 on Kortum Canyon Rd. 182 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
  JEPS110978  Linanthus ciliatus Jake Ruygt 1980-5-13 888 Napa Mt. St. John, Campbell Flat 316 Comment
  UC648302  Linanthus ciliatus M. S. Jussel 1937-5-23 Napa Palisades Comment
  UC1198534  Linanthus dichotomus J. P. Tracy 1902-5-14 1440 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UC1198535  Linanthus dichotomus J. P. Tracy 1902-5-19 1559 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UC971717  Linanthus dichotomus Herbert L. Mason 1942-5-24 12540 Napa 8 mi s Pope Valley Store Comment
  CAS-BOT-BC123069  Linanthus dichotomus subsp. meridianus John Thomas Howell 1940-5-19 15459 Napa Upper St. Helena Creek. Comment
  POM310952  Linanthus dichotomus subsp. meridianus H. L. Mason 1942-5-24 12540 Napa Eight miles south of Pope Valley Store Comment
  SEINET205184  Linanthus dichotomus subsp. meridianus Carl A. Huether Jr. 1965-3-4 50 Napa in serpentine between road and creek; ca. .25 mile east of mail boxes on road to M & M Ranch. Middle snell valley. Comment
  JEPS110997  Linanthus jepsonii Jake Ruygt 1987-5-9 1980 Napa north of Catalpa Dr., Circle Oaks 396 Comment
  CDA38720  Linanthus parviflorus D. G. Kelch 2010-5-6 10 .179 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS110968  Linanthus parviflorus Jake Ruygt 1986-3-29 1672 Napa Blue Ridge above Toll Canyon 432 Comment
  UC23769  Linanthus parviflorus Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin Napa River Basin 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
  UC23783  Linanthus parviflorus Willis L. Jepson 1893-4-24 Napa e of St. Helena; Napa River Basin Comment
  UC52443  Linanthus pygmaeus J. P. Tracy 1902-5-16 1502 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  JEPS122715  Linum bienne Jake Ruygt 1987-4-20 1953 Napa South of Conn Dam near summit of ridge. Quad: Yountville. Comment
  JEPS37735  Lithocarpus densiflorus W. L. Jepson 1894-10-14 Napa Rebecca Ranch grade; Upper Napa Valley Comment
  JEPS37746  Lithocarpus densiflorus W. L. Jepson 1903-9-6 Napa St. Helena Comment
  CAS-BOT-BC430623  Lithophragma affine Peter H. Raven 1950-4-15 1717 Napa Silverado Trail outside of Napa 15 Comment
  UC924229  Lithophragma affine H. S. Reed 1939-4-16 226 Napa Napa Hills 198 Comment
  UCD102709  Lithophragma affine M. Wiesendanger 1928-4-5 861 Napa Monticello-Napa Road. Comment
  CAS-BOT-BC430626  Lithophragma affine L. R. Abrams 1928-5-3 12244 Napa Summit Mt. St. Helena Grade Comment
  JEPS48657  Lithophragma affine Elsa Kraeger 1926-3-28 Napa 1/2 mi below Mt. St. Helena Inn (roadside); below Mt. St. Helena Inn Comment
  CAS-BOT-BC435617  Lithophragma heterophyllum L. R. Abrams 1928-5-3 12243 Napa Summit St. Helena Grade Comment
  UC1088545  Lithophragma heterophyllum Roy L. Taylor 1959-5-3 4032 Napa one half mi from Mayachamas Vineyard Office Comment
  UC11904  Lithophragma heterophyllum Willis L. Jepson 1893-5-1 Napa Knight's Valley road from Calistoga; Napa River Basin Comment
  UCD20028  Lithophragma heterophyllum C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1210 Napa Junction of Glass Mountain Road and Silverado Trail. Comment
  JEPS85028  Lithophragma parviflorum Larry Heckard and Mary Ashton 1969-5-3 2211 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd.); ne of Napa, off Atlas Peak Rd., Mead Ranch 457 Comment
  RSA195291  Lithophragma parviflorum Gilbert Muth 1967-4-30 663 Napa Near entrance to Shell Valley. 183 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-BC342441  Logfia gallica R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6657 Napa 5 mi. E. of St. Helena on road to Pope Valley 304 Comment
  UC1132201  Lolium multiflorum J. B. Spring 1932-6-7 70 Napa head of Carneros Creek; Napa Quadrangle, head of Carneros Creek Comment
  JEPS104571  Lomatium californicum Jake Ruygt 1991-4-20 2634 Napa Mead Ranch, Atlas Peak Rd. 560 Comment
  UCD149667  Lomatium californicum Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  UCSC000522  Lomatium californicum M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  UCD150868  Lomatium caruifolium var. caruifolium Robert E. Preston 1988-4-10 586 Napa ca. 0.6 mile ESE of the confluence of Putah and Hunting Creeks. 304 Comment
  UCD48425  Lomatium dasycarpum S. Murphy; K. Keck and K. Dyer 2002-5-5 11 Napa Quail Ridge UC Reserve, northern tip of ridge, along southern edge of upper road leading to power lines and tip parcels, north from the intersection of West and East roads ca. 450 m. 327 Comment
  UC1195671  Lomatium dasycarpum subsp. dasycarpum A. R. Kruckeberg 1947-5-4 1447 Napa Butts Creek canyon Comment
  JEPS122753  Lomatium hooveri Jake Ruygt 2004-4-3 4579 Napa Ridge between Foley and Knoxville Creeks. Quad: Knoxville. Comment
  UCD18047  Lomatium hooveri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 598 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
  JEPS17118  Lomatium macrocarpum Willis L. Jepson 1893-4-24 14384 Napa hills e. of St. Helena to Conn Valley Grade (Howell Mt. foothills); Howell Mt. foothills Comment
  SD58377  Lomatium marginatum W. L. Jepson 1915-4-23 6266 Napa Chiles Creek hills, Napa Range Comment
  POM132573  Lomatium marginatum C. F. Baker 1903-5-8 2971 Napa Knoxville. 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
  JEPS81067  Lomatium marginatum var. purpureum Joseph M. DiTomaso 1980-6-13 1584 Napa Hwy 128, 5 mi NW of jct with Hwy 121 Comment
  UCD161312  Lomatium nudicaule Jake Ruygt 1979-4-19 525 Napa Napa County : Suscol Hill west of Highway 29 (221). (Coordinates estimated by label maker at UC Davis). 30 Comment
  OBI55128  Lomatium repostum Lincoln Constance, J. F. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 3048 Napa Southeast slope of Mount Saint Helena, near the old inn. Comment
  SEINET196136  Lomatium repostum Lincoln Constance, JF Davidson WH. Wagner; RH Shan 1946-5-18 3048 Napa Southeast slope of Mount Saint Helena near the old inn Comment
  UC735134  Lomatium repostum Lincoln Constance, J. F. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 3048 Napa s. slope Mt. Saint Helena (near the old inn) Comment
  UCD164769  Lomatium repostum Jake Ruygt 2014-5-19 5940 Napa Sutro Ranch, Atlas Peak. 743 Comment
  UCD148552  Lomatium utriculatum Jake Ruygt 1997-4-8 3825 Napa Napa County. East end of Taplin Road; Heitz Cellars. 106 Comment
  SEINET5744663 Image available Lomatium utriculatum Carl Luhn 1960-1 30 Napa State Hwy 128, 0.25 mile S of junction with Wragg Canyon Road and ca. 5 miles SW of Monticello Dam.; Monticello Dam Comment
  UC796660  Lomatium utriculatum Ira L. Wiggins 1949-4-30 12081 Napa 2 1/2 mi. above Calistoga (along old toll rd. to Middletown) Comment
  CAS-BOT-BC240797  Lonicera interrupta Alice Eastwood 1915-6-6 4656 Napa Mt. St. Helena Comment
  SEINET5501037 Image available Lonicera interrupta Sally Walker 1981-5-18 Napa 3.6 mi S of middletown, Napa Co. Comment
  UC1300861  Lotus micranthus Helen K. Sharsmith 1963-4-20 5340 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 Comment
  JEPS55897  Lotus scoparius Willis L. Jepson 1893-6-26 13805 Napa grade to Howell Mt. Napa River Basin Comment
  JEPS107202  Lotus strigosus Jake Ruygt 1997-5-18 3857 Napa Bismark Knob 615 Comment
  JEPS110687  Ludwigia palustris Jake Ruygt 1992-8-31 3133 Napa Wild Horse Valley Ranch, Leoma Lakes 405 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
  JEPS85667  Lupinus John Thomas Howell 1926-3-20 1701 Napa s side Mt. St. Helena; , s side 457 Comment
  JEPS129027  Lupinus affinis Jake Ruygt 2016-5-10 6246 Napa Sutro Ranch, Atlas Peak. Yountville 7.5' Quad. Comment
  JEPS64926  Lupinus albifrons Willis L. Jepson 1896-2-22 35 t Napa New Eden Napa River Basin, Howell Mt. (Howell Mt.) Comment
  UC402911  Lupinus albifrons Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George; nw flanks of Mt. George Comment
  CAS-BOT-BC201557  Lupinus albifrons var. albifrons Peter H. Raven 1950-4-15 1751 Napa Wooden Valley Grade, above Napa 457 Comment
  RSA51237  Lupinus albifrons var. albifrons Peter H. Raven 1950-4-5 1751 Napa Wooden Valley Grade above Napa. 457 Comment
  CAS-BOT-BC196281  Lupinus albifrons var. eminens Mrs. H. P. Bracelin 1930-3-29 s.n. Napa N.W. flanks of Mt. George Comment
  JEPS107234  Lupinus bicolor Jake Ruygt 1995-5-1 3460 Napa Silverado Trail at Souza Lane, Napa. 12 Comment
  JEPS65351  Lupinus bicolor W. L. Jepson 1924-4-6 10317 Napa Howell Mt. Comment
  UCD117809  Lupinus bicolor Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. Along dirt road 0.1 miles northeast of fire station. North side of the road. 518 Comment
  POM181684  Lupinus densiflorus var. aureus Williams 1927-4-15 s.n. Napa Hills. Comment
  UC196167  Lupinus formosus C. F. Sonne April 1888 Napa field near Napa Junction Comment
  UCD108139  Lupinus latifolius M. Wiesendanger 1927-5-4 673 Napa Near Monticello. Comment
  UCD108125  Lupinus latifolius G. F. Hrusa 1992-4-15 10378 Napa Along Hwy. 128 app. 2 m. N of Knoxville-Berryessa Rd. Comment
  JEPS118637  Lupinus microcarpus subsp. microcarpus B. Castro and L. P. Janeway 2002-5-12 1371 Napa Inner North Coast Ranges. Ca 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. Knoxville 7.5' quad. 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
  JEPS108045  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 mi E jct. Ca 121, 2.9 mi W Monticello Dam, Lake Berryessa. 274 Comment
  UCD164857  Lupinus microcarpus var. microcarpus Jake Ruygt 2013-5-7 5905 Napa Eticuera Creek at Zim-Zim Creek inflow. 207 Comment
  CAS-BOT-BC202220  Lupinus sericatus Charles Piper Smith 1948-6-3 48312 Napa Highway 29 - Stevenson Place, 1.1 miles north 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
  UCD148805  Lupinus succulentus Ellen Dean; Diana Hickson 2014-4-29 8112 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD47980  Lupinus succulentus S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, K. Watts 2000-4-28 17 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of Old Knoxville Rd. 426 Comment
  UCD54564  Lupinus succulentus K. Walker; PLB 102 2006-5-13 6 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  RSA699930  Luzula campestris Keith E. Hoffmaster 1946-3-23 1080 Napa Napa range, near summit of Napa-Monticello road. Comment
  UCD95924  Luzula comosa Ellen Dean; with Clare Loughran 2011-5-20 7057 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  JEPS112657  Lythrum hyssopifolia Jake Ruygt 1979-6-14 694 Napa Marina Dr., Napa 4 Comment
  JEPS45953  Lythrum hyssopifolia Willis L. Jepson 1893-6-26 14091 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  JEPS45959  Lythrum hyssopifolia Willis L. Jepson 1893-9-24 14085 Napa Napa River Basin, Howell Mt., Angwin's Meadows Angwin's Meadows; Napa River Basin, Howell Mt., Angwin's Meadows Comment
  CAS-BOT-BC342615  Madia anomala R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6671 Napa 6 mi. NE. of Pacific College (Howell Mt.) on road to Aetna Springs Comment
  CAS-BOT-BC343828  Madia elegans Peter H. Raven 1951-8-19 3853 Napa Near Lokoya 487 Comment
  JEPS7502  Madia elegans W. L. Jepson 1939-9-12 19485 Napa w St. Helena; Spring Mountain Comment
  JEPS100898  Madia exigua Dean W. Taylor 1998-5-14 16437 Napa Asbestos Mine, Steele Canyon (southerly arm of Lake Berryessa) 301 Comment
  JEPS106546  Madia exigua Jake Ruygt 1982-5-15 1258 Napa Stags Leap-Soda Canyon 426 Comment
  UCD38571  Madia exigua Beecher Crampton 1956-5-25 3453 Napa Vaca Mtns., Markley Canyon, along new road from Monticello Dam to Napa. Comment
  CAS-BOT-BC344448  Madia exigua J. Clausen 1935-5-22 1070 Napa Ca. 1 mi. E. of Chiles Valley Store Comment
  JEPS38330  Madia exigua W. L. Jepson 1938-5-18 18794 Napa slope above St. Helen Sanitarium; Howell Mts. 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
  UCD13155  Madia gracilis Kathleen Worden 1981-5-24 10 Napa Highway 128, 2.2 miles southeast of Moskowitz Corner. Comment
  JEPS40204  Madia gracilis Willis L. Jepson 1894-5-1 Napa mouth of Conn Valley Napa River Basin Comment
  RSA128374  Madia nutans P. H. Raven 1950-4-15 1752 Napa Wooden Valley grade above Napa. 457 Comment
  RSA503991  Madia nutans B. G. Baldwin 1987-4-26 652 Napa Las Posadas State forest (Howell Mountain), immediately north of dirt toad leading east from Las Posadas Fire Station, less than 0.1 mile east of station. Comment
  CAS-BOT-BC345044  Madia sativa Peter H. Raven 1950-6-20 2348 Napa In the Napa Range between Conn Valley & Howell Mtn. Comment
  JEPS106678  Madia sativa Jake Ruygt 1990-5-11 2536 c Napa Green Island Road at first bend 3 Comment
  JEPS40221  Madia sativa Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  JEPS113976  Maianthemum stellatum Jake Ruygt 1990-4-4 2458 Napa Skyline Park on Lake Marie trail 1/4 from lake. Mount George 7.5' Quad. Comment
  UCD167283  Malacothamnus fremontii Jake Ruygt 2003-6-21 4552 Napa West of Berryessa Knoxville Road near mouth of Foley Creek. 329 Comment
  JEPS106900  Malacothrix clevelandii Jake Ruygt 1982-5-15 1260 Napa Stag's Leap on Soda Canyon side. Yountville 7.5' Quad. 426 Comment
  UC1278039  Malacothrix floccifera B. Crampton 1954-5-20 1925 Napa ca 8 mi sw Monticello (along State Hwy 128) Comment
  UC831138  Malacothrix floccifera Alice Eastwood and John Thomas Howell 1939-6-11 7423 Napa sw of Oakville; Mt. Hood Range Comment
  UCD21543  Malacothrix floccifera B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 9 Napa California, Napa County, McLaughlin Reserve. Along Knoxville-Berryessa Road, just W of turnoff to old town site of Knoxville, N side of road. 487 Comment
  UCD19946  Marah fabacea E. A. Dean; Virginia Boucher 2002-2-28 902 Napa Quail Ridge Reserve. Along East Rd., 0.65 airline miles SE of stock pond at tip of ridge, where East and West Roads converge. 396 Comment
  POM339533  Marah fabacea F. R. Fosberg 1967-4-1 48412 Napa Hills just south of Lake Berryessa Comment
  UCD161647  Marah fabacea Jake Ruygt 2006-4-10 4971 Napa South Kelly Road about 75 yards from Highway 12. 36 Comment
  UCD18053  Marah watsonii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 606 Napa Napa County. McLaughlin Reserve. Ca. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along old road that climbs up ridge on E side, N- and NW-facing slopes. 536 Comment
  HSC103452  Marah watsonii Thomas W. Nelson, Jane Nelson 1981-4-14 6395 Napa Along Devil's Head Rd., .5 mi. from junction with Morgan Valley Rd., at junction with road to Hunting Creek 549 Comment
  JEPS103981  Marsilea vestita subsp. vestita Jake Ruygt 1986-8-23 1909 Napa Lake Hennessey 92 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
  SACT001483  Melica californica John Willoughby 1977-4-20 Napa Near latitude of Mount Vaca about 500 feet below ridge, chaparral, south-facing slope. 609.6 Comment
  UC53669  Melica californica Willis L. Jepson 1893-1 Napa Napa Valley; Napa River Basin 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
  CAS-BOT-BC282169  Melica geyeri A. A. Heller 1924-4-12 13846 Napa About 5 miles S of Calistoga Comment
  JEPS122914  Melica geyeri Jake Ruygt 2005-3-19 4700 Napa Lower Ritchey Creek. Quad: Calistoga. Comment
  UCD148804  Melica geyeri Ellen Dean; Diana Hickson 2014-4-29 8111 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 592 Comment
  SEINET11687429  Melica geyeri F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -310 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 770 Comment
  UCD164748  Melica harfordii Jake Ruygt 2014-6-9 5985 Napa Livermore Ranch, Bear Valley. 623 Comment
  CAS-BOT-BC264217  Melica torreyana Peter H. Raven 1964-5-9 19074 Napa Along dirt road 2 miles west of Aetna Springs 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
  CAS-BOT-BC264224  Melica torreyana John Thomas Howell 1939-4-30 14632 Napa Walter Springs Comment
  CDA12102  Melica torreyana G. F. Hrusa 1989-4-24 5961 Napa North Coast Biodiversity Arena; W side of upper Chiles Valley. Comment
  JEPS76084  Melica torreyana W. L. Jepson 1938-5-22 18813 Napa Pope Valley; Limekiln Creek Canyon Comment
  SEINET200624 Image available Melica torreyana J. P. Tracy 1933-6-2 12465 Napa Howell Mtn Rd 5 mi E of St Helena 305 Comment
  UC53664  Melica torreyana W. L. Jepson 1896-6-2 Napa Conn Ridge Comment
  UCD144799  Melica torreyana E. Dean; w/ PLB 102 class 2002-5-4 1016 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of junction of East and West roads, along lower road leading out to power lines. 304 Comment
  UCD17989  Melica torreyana Ellen Dean; with Plant Biology 102 class 2001-4-14 715 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along South Decker Canyon Rd., south of junction with Cutoff Rd., down trail of old homestead (bathtub, etc.). 213 Comment
  UCD38823  Melica torreyana Beecher Crampton 1958-4-29 4756 Napa Capell Creeks. Comment
  UCD88838  Melica torreyana Beecher Crampton 1956-5-25 3487 Napa Howell Mountains. Comment
  UCD89191  Melica torreyana D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. 250 Comment
  UCSB423  Melica torreyana Kamb, Peter; Chisaki, Francia 1950-4-22 Napa South side of canyon of Sage Creek about 3 miles east of Chiles Valley Comment
  UCSB425  Melica torreyana Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway #37 304 Comment
  JEPS65542  Melilotus albus W. L. Jepson 1937-9-29 18569 Napa St. Helena; on road to Sanitorium Comment
  CHSC102250  Mentha X piperita Lowell Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 134 Comment
  UCD20708  Mentha pulegium Mark Bibbo 2002-7-28 78 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  UCD102815  Micranthes californica P. B. Kaufman 1950-4-1 20 Napa Vaca Mountain range, Putah Canyon. Comment
  JEPS106898  Micropus amphibolus Jake Ruygt 1991-5-18 2675 b Napa Fawn Lake, Friesen's Lakes, Angwin 597 Comment
  UCD18097  Micropus californicus Ellen Dean; with PLB 102 class 2000-4-29 753 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CAS-BOT-BC348679  Microseris acuminata John Thomas Howell 1931-4-19 6467 Napa Conn Valley Comment
  JEPS36148  Microseris douglasii subsp. douglasii Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin, Conn Valley Comment
  CAS-BOT-BC349100  Microseris douglasii subsp. tenella M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  JEPS106890  Microseris douglasii subsp. tenella Jake Ruygt 1989-5-2 2300 Napa Airport Rd., north side about .2 miles west of HWY 29 12 Comment
  CAS-BOT-BC349185  Microseris elegans John Thomas Howell 1931-4-4 6170 Napa Napa Valley at Myrtledale Hot Springs Comment
  UCD18046  Microsteris gracilis Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 597 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
  CDA11431  Mimulus angustatus G. F. Hrusa, M. Tu 1995-5-6 12154 Napa North Coast Biodiversity Arena; Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  JEPS110573  Mimulus angustatus Jake Ruygt 1990-5-5 2527 Napa south of Leoma Lakes; Wild Horse Valley Ranch 429 Comment
  UC1103335  Mimulus angustatus J. P. Tracy 1902-5-19 1557 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UC26855  Mimulus angustatus W. L. Jepson 1893-4-28 Napa plateau n Mt. George; Napa Range Comment
  UCD70475  Mimulus aurantiacus P. J. Plummer 1995-5-27 s.n. Napa West of city of Winters, off hwy 128. 335 Comment
  RSA60354  Mimulus aurantiacus var. aurantiacus G. R. Campbell 1948-6-18 657 Napa 10 miles south of Montecello Comment
  UC796465  Mimulus aurantiacus var. aurantiacus Ira L. Wiggins 1949-4-30 12077 Napa about 1.5 mi from Calistoga (along old toll road between Calistoga and Middletown) Comment
  UCD122282  Mimulus aurantiacus var. aurantiacus David Lawfer 1952-4-20 147 Napa Napa. Comment
  JEPS110608  Mimulus congdonii Jake Ruygt 1982-3-20 1135 Napa Mt. St. John 548 Comment
  UC444808  Mimulus douglasii J. P. Tracy 1902-5-22 1624 1/2 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 365 Comment
  UCD84985  Mimulus douglasii Dena Grossenbacher 2009-3-3 949 Napa East side of Bell Creek about 75 meters up slope from creek. Wildlake Preserve, Napa County Land Trust property. 461 Comment
  POM260891  Mimulus douglasii J. T. Howell 1940-5-19 15454 Napa Upper St. Helena Creek. Comment
  CDA41801  Mimulus guttatus Rachel Curtis 1995-5-6 14 Napa Approximately 7.0 miles east of Silverado Trail Rd. Comment
  OBI9446  Mimulus guttatus R. L. Hoover 1968-4-20 59 Napa NE of jctn of Aetna Springs, Pope Valley, and Butts Cyn Rds Comment
  SEINET12808679  Mimulus guttatus Christopher T. Ivey 2003-1 364 Napa Population occurred along stream margin feeding Racoon Lagoon at N end of Lake Berryessa, abnout 4.5 mi N of Pope Canyon Road on Berryessa-Knoxville Road 362 Comment
  JEPS11033  Mimulus guttatus W. L. Jepson 1892-3-25 68 m Napa crest above Collins Camp; Vaca Mts. Comment
  SEINET10813590 Image available Mimulus guttatus Charles F. Baker 1903-4-19 Baker 1980 Napa Calistoga. Colonies occasional in muddy meadows near sulphur springs. Comment
  SEINET7057279  Mimulus guttatus Christopher T. Ivey 2003-11-29 364 Napa Specimen grown in greenhouse from wild-collected seed. Population occured along sream margin feeding Racoon Lagoon at north end of Lake Berryessa, about 4.5 mile north of Pope Canyon Road on Berryessa-Knoxville Road. Comment
  CAS-BOT-BC7389  Mimulus guttatus var. gracilis Charles Fuller Baker 1903-4-20 2608 Napa Mt. St. Helena Comment
  JEPS128916  Mimulus latidens Juanita Duran 2000-4-18 4227 Napa Saint Helena; Spring street, 1.5 west of Highway. Rutherford 7.5' Quad. Comment
  RSA309393  Mimulus latidens W. L. Jepson 1893-4-27 31 Napa Lower Napa Valley, Napa River Basin. Comment
  UC1778558 Image available Mimulus layneae S. E. Schoenig 1998-6-5 98 -23 Napa 20 meters E of Ink Grade Rd., 0.5 miles NW of intersection with Howell Mtn Rd. 548 Comment
  JEPS11442  Mimulus microphyllus Willis L. Jepson 1893-5-8 10 m Napa La Jota Plateau Napa River Basin, Howell Mountain Comment
  UC26989  Mimulus microphyllus W. L. Jepson 1893-4-26 Napa near La Lomita; Napa River Basin; Napa River Basin, near La Lomita Comment
  UCD122707  Mimulus nasutus L. P. Thibault 1995-5-21 52 Napa along Wragg Creek north side of Highway 128 about 3 mi. west of Wragg Canyon Rd. 250 Comment
  JEPS11429  Mimulus nasutus W. L. Jepson 1921-5-6 9169 Napa Yountville 30 Comment
  UC103809  Mimulus nasutus C. F. Baker 1903-4-20 2608 Napa Mt. St. Helena; ; Mt. St. Helena, Napa Co. Comment
Read comments
Jun 25 2013
  JEPS129171  Mimulus nudatus Jake Ruygt 2015-4-4 6064 Napa Butts Canyon south of Snell Valley Road. Aetna Springs 7.5' Quad. Comment
  RSA183420  Mimulus nudatus J. M. Tucker 1965-5-15 3826 Napa Devilhead Road, Cedar Valley, 4 miles (airline) south and a little west of Knoxville 655 Comment
  UCD96135  Mimulus nudatus Dena Grossenbacher; Brian Green 2008-5-7 820 Napa Along Devil's Head Road, about 3.25 miles south of Berryessa-Knoxville Road junction. 468 Comment
  JEPS110595  Mimulus pilosus Jake Ruygt 1998-8-29 4110 Napa Berryessa-Knoville Road, Eticuera Creek 268 Comment
  JEPS28967  Mimulus pulsiferae Joseph P. Tracy 1950-5-23 18661 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain, La Jota Plateau 518 Comment
  UC1196778  Mimulus pulsiferae J. P. Tracy 1902-5-19 1566 Napa 3-4 mi e Angwin's (in stream bed); Howell Mountain, La Jota Plateau, head of Moore's Creek 518 Comment
  UCD96021  Mimulus tricolor Dena Grossenbacher; Brian Green 2008-4-10 767 Napa On north side of Knoxville-Berryessa Road about 0.7 miles east of Devil's Head Road junction, McLaughlin UC Reserve. 422 Comment
  CAS-BOT-BC467199  Minuartia californica John H. Thomas 1955-5-21 5124 Napa Sarco Creek drainage, near State Hwy 37, about 6 miles from Napa 274 Comment
  JEPS106745  Minuartia californica Jake Ruygt 1978-3-12 242 Napa .8 miles northeast of Buuts Canyon Rd. on Snell Valley Rd. 185 Comment
  CAS-BOT-BC388619  Minuartia douglasii Peter H. Raven 1953-3-29 5223 Napa Hills e. of Imola 121 Comment
  UCSB1839  Minuartia douglasii Kamb, Peter; Chisaki, Francia 1950-4-22 Napa South side of canyon of Sage Creek; about 3 miles east of Chiles Valley 304 Comment
  JEPS22490  Minuartia douglasii Willis L. Jepson 1893-4-25 Napa tril to Canx's<?> Cabin Napa River Basin Comment
  JEPS115681  Mollugo verticillata Lowell Ahart 2009-10-27 16499 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
  JEPS110814  Monardella villosa subsp. villosa Jake Ruygt 1989-6-3 2361 Napa about 1 mile south of Monticello Dam on Vaca Mtns. 438 Comment
  POM180780  Monardella villosa subsp. villosa J. T. Howell 1930-7-13 5349 Napa On the edge of the Crater Country Comment
  UCD166667  Monardella villosa subsp. villosa Jake Ruygt 2007-6-2 5220 Napa Duff Ranch, road above Simmons Canyon. 573 Comment
  UC292738  Monardella viridis W. L. Jepson 1894-10-13 Napa Cam Valley Cam <Conn> Valley (hillsides) Comment
  JEPS55471  Monardella viridis subsp. viridis Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena Comment
  CAS-BOT-BC444851  Montia fontana Alice Eastwood 1922-3-25 11091 Napa Calistoga Comment
  UCD86407  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa Napa County, north end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  JEPS122677  Muilla maritima Jake Ruygt 1983-4-4 1410 Napa Tubbs Lane at Myrtledale Road, Calistoga. Quad: Calistoga. Comment
  JEPS126065  Myriophyllum spicatum Jake Ruygt 2010-8-14 5716 Napa Lake. Walter Springs 7.5' Quad. Comment
  JEPS75633  Nassella cernua W. L. Jepson 1936-5-28 17540 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UCD87897  Nassella lepida Jack Maze 1964-3-8 49 Napa 3 miles southwest of Monticello Dam, State Highway 128. 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
  UC1011036  Nassella pulchra Milo S. Baker 1936-4-8 8171 Napa on Monticello Hwy 5 mi from Napa Comment
  UCD36948  Nassella pulchra Beecher Crampton 1956-5-25 3478 Napa Grade crest north of Wooden Valley, Bruno's Place. Comment
  CAS-BOT-BC60335  Nasturtium officinale E. Ruckert 1960-5-8 145 Napa 6495 Dry Creek Road. Few feet from gate spring, in overflow stream. 365 Comment
  JEPS70270  Navarretia cotulifolia Joseph Andorfer Ewan 1934-4-30 8857 Napa e end Pope Valley Comment
  JEPS120360  Navarretia heterandra Jake Ruygt 2006-5-16 5026 Napa Lower Anderson Creek Canyon near Berryessa Valley. Brooks 7.5' Quad. Comment
  JEPS112536  Navarretia heterodoxa Jake Ruygt 1991-6-10 2717 Napa above Cooksley Lake toward Summit Lake Dr., Angwin 725 Comment
  UC657734  Navarretia heterodoxa Milo S. Baker 1941-6-30 10156 Napa n road from Silverado Trail (along highway to Howell Mt.) Comment
  JEPS120320  Navarretia intertexta subsp. intertexta Jake Ruygt 2006-6-11 5049 Napa Southwest part of Walnut Flat, near Wildlake. Saint Helena 7.5' Quad. Comment
  JEPS129053  Navarretia intertexta subsp. intertexta Jake Ruygt 2016-6-11 6286 Napa Wantrup Wildlife Preserve. Chiles Valley 7.5' Quad. Comment
  UCD160711  Navarretia intertexta subsp. intertexta Ellen Dean; Jake Ruygt 2015-5-23 8770 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  UCD48416  Navarretia jepsonii Mrs. K. Brandegee 1910-7-26 148 Napa Near Aetna Springs, Napa County, in depression in clay soil. Comment
  JEPS120359  Navarretia leucocephala subsp. leucocephala Jake Ruygt 1978-5-14 306 Napa 0.3 miles south of Oak Knoll Ave. on Silverado Trail. Napa 7.5' Quad. Comment
  UCD106388  Navarretia linearifolia subsp. pinnatisecta K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  JEPS112554  Navarretia mellita Jake Ruygt 1982-7-17 1374 Napa Deer Park Rd. at Four Corners 414 Comment
  UC23709  Navarretia mellita Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  UCD167191  Navarretia mellita Jake Ruygt 1989-7-1 2395 Napa Vaca Mountains about 2 miles north of Mt. Vaca. 755 Comment
  SEINET4673690  Navarretia paradoxinota David Gowen 2009-6-15 1062 Napa Snell Valley Road, east of Butts Canyon Road in Snell Wildflower Preserve.; 0 Comment
  JEPS110949  Navarretia pubescens Jake Ruygt 1977-5-1 209 Napa east end of Westgate Dr. 115 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
  UCD37322  Navarretia pubescens Beecher Crampton 1959-5-26 5258 Napa Napa County, Vaca Mountains, Markley Canyon, along State Highway 128. Comment
  UCD48629  Navarretia pubescens Robert E. Preston 1987-6-13 561 Napa CA: Napa Co.; common in dry grassy areas and along dirt road, ca. 1 mi ne of Snell Peak (Aetna Springs 7.5' quad). 335 Comment
  JEPS83636  Navarretia rosulata R. Raiche 1987-5-23 70198 Napa W of Lake Berryessa, Cedar Roughs, headwaters of Hardin Creek, SW of Gilliam Spring, top of ridge, 640 Comment
  UC1220970  Navarretia squarrosa Beecher Crampton 1962-10-9 6695 Napa 1.25 mi sw Angwin (Howell Mtn Road, along Conn Creek); Conn Creek Comment
  UC142969  Navarretia squarrosa Katharine Brandegee 1910-7-26 Napa Pope Valley Comment
  UCD167200  Navarretia squarrosa Jake Ruygt 1987-7-11 2066 b Napa 0.2 miles west of Mt. Millhouse Camp on Highway 29. 487 Comment
  JEPS110945  Navarretia tagetina Jake Ruygt 1986-5-24 1784 Napa Butts Canyon Rd. at Ink Grade 237 Comment
  UCD149662  Nemacladus montanus Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  SEINET10461256  Nemacladus montanus Rimo Bacigalupi 1965-5-16 Bacigalupi 9104 Napa Along Devilhead road, 1 mile north of headwaters of Zim Zim Creek 494 Comment
  HSC10925  Nemophila heterophylla Greg Bos 1963-3-3 26 Napa W slope of [Lake] Berryesa, Spanish Flat area. 152 Comment
  UCD120062  Nemophila heterophylla G. L. Webster 1967-3-23 7488 Napa Along Chiles Creek c. 1 mi SW Chiles Grist Mill, Pope Valley Rd. 137 Comment
  UCD169883  Nemophila heterophylla Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 722 Napa Knoxville Wildlife Area. 238 Comment
  POM182714  Nemophila heterophylla D. D. Keck 1931-4-2 1014 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  POM203711  Nemophila heterophylla J. T. Howell 1931-4-2 6063 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  UC726897  Nemophila heterophylla A. A. Heller 1929-3-16 14818 Napa grade near foot Mt. St. Helena Comment
  UCD82053  Nemophila menziesii Robin McMaster 1972-4-22 69 Napa Pope Valley. Comment
  UCD23406  Nemophila menziesii Fumi Takeda 1977-4-4 1 Napa Flower blue but fades when mature. Highway 128, 6.4 miles southwest of Monticello Dam. Open foothill woodland. Moist, coarse clay soil. 182 Comment
  UCD23407  Nemophila menziesii Karin Staaf 1977-4-16 7 Napa 6.4 miles SW of Monticello Dam, in a small shallow canyon on south side of Highway 128. Plants 3 inches tall, herbaceous. Flowers white/blue. Growth upright to low and creeping. Growing in open, sunny, grassy meadow. Soil clay like. Comment
  UCD120239  Nemophila menziesii var. atomaria Charles B. Heiser Jr. 1947-2-18 1880 Napa 14 miles north of Napa. Comment
  UCD166683  Nemophila menziesii var. atomaria Jake Ruygt 1998-3-21 3883 Napa west of Pope Canyon Road, north side of Burton Creek. 187 Comment
  UCD118354  Nemophila menziesii var. menziesii Reed Crane; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, on Recreation flat. 387 Comment
  POM65370  Nemophila parviflora var. parviflora H. P. Chandler 1907-5-14 7569 Napa White Sulphur Springs. 150 Comment
  UCD167156  Nemophila pedunculata Jake Ruygt 2015-3-10 6035 Napa Sutro Ranch, east side of Atlas Peak. 704 Comment
  UCD166672  Nepeta cataria Jake Ruygt 1992-8-3 3114 Napa Green Valley Ranch, end of Green Valley Road. 295 Comment
  JEPS122690  Nerium oleander Jake Ruygt 2004-9-4 4663 Napa Beryessa-Knoxville Road at Zim-Zim Creek. Quad: Knoxville. Comment
  POM180778  Nicotiana bigelovii J. T. Howell 1930-9-19 5601 Napa Conn Creek near entrance of Sage Canyon, Napa Valley. Comment
  UCD38861  Nicotiana quadrivalvis Beecher Crampton 1962-10-9 6700 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  UCD121197  Notholithocarpus densiflorus var. densiflorus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7368 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
  JEPS110671  Nuttallanthus texanus Jake Ruygt 1992-4-10 2902 Napa SW of Leoma Lakes, Wild Horse Valley Ranch 426 Comment
  JEPS110557  Oemleria cerasiformis Jake Ruygt 1987-3-14 1926 Napa Conn Valley Rd. (near PG&E and transform er) 109 Comment
  JEPS110572  Orobanche fasciculata Jake Ruygt 1992-5-20 2992 Napa west of Leoma Lakes, Wild Horse Valley Ranch 432 Comment
  UCD123203  Orobanche fasciculata W. M. Grannell 1950-4-27 17 Napa Putah Canyon. Comment
  UCD167625  Orobanche uniflora Jake Rugyt 1980-4-22 844 Napa 8.9 miles north of Pope Canyon Rd. on Berryessa-Knoxville Rd. 198 Comment
  CAS-BOT-BC238388  Orthocarpus M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC238389  Orthocarpus C. F. B. 1903-5-8 2965 Napa Knoxville Comment
  RSA31988  Orthocarpus densiflorus A. A. Heller 1941-5-17 16136 Napa 2 miles north of Windsor on US Highway 101. Comment
  POM43749  Orthocarpus faucibarbatus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  RSA292970  Orthocarpus lithospermoides Reino Alava 1957-5-30 1011 Napa About 0.7 mile west of the Chiles Valley School. Comment
  POM83502  Orthocarpus lithospermoides var. bicolor W. L. Jepson 1920-5-25 9042 Napa Knoxville Ridge, NE Napa Co. Comment
  UCD160568  Osmorhiza berteroi G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  SEINET13944817 Image available Osmorhiza chilensis Joseph Andorfer Ewan 1937-1 10327 Napa Along auto road. W. slope Mt. St. Helena. Comment
  CDA4676  Oxalis rubra W. O. McCartney 1966-5-12 49 Napa Monticello Road, 3 miles north of Vicky Road, Napa. 0 Comment
  UCD170286  Packera clevelandii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 826 Napa Along Knoxville Devilhead Road, west of Knoxville Wildlife Area. 456 Comment
  UCD170287  Packera clevelandii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 827 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 441 Comment
  UCD37945  Packera eurycephala Beecher Crampton 1962-5-16 6427 Napa 0.75 mile E of Aetna Springs. Comment
  HSC38131  Packera eurycephala Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2348 Napa Along Morgan Valley Rd. ca 1.5 mi. E of Lake Co. line Comment
  CAS-BOT-BC316877  Packera eurycephala var. eurycephala Joseph Andorfer Ewan 1934-4-30 8826 Napa Near Samuels Springs above Monticello on Pope Valley Grade Comment
  UC131781  Packera eurycephala var. eurycephala C. F. Baker 1903-5-8 3080 Napa Knoxville Comment
  JEPS23639  Packera greenei R. F. Hoover 1941-6-8 5319 Napa e side Mt. St. Helena Comment
  UC581701  Packera greenei Joseph P. Tracy 1933-6-2 12489 Napa 5 mi e Angwin's (on hills at head of Moores Creek); Howell Mountain, Moores Creek 457 Comment
  RSA126981  Panicum capillare B. O. Schreiber 1936-9-20 2355 Napa 5 miles south of Reiff 762 Comment
  UCD89576  Panicum dichotomiflorum Beecher Crampton 1958-8-18 s.n. Napa Pope Valley. Comment
  JEPS50029  Parvisedum pumilum Willis L. Jepson 1893-4-28 13446 Napa ne of (and near) Napa City (Napa River Basin); Napa River Basin Comment
  UC540616  Parvisedum pumilum H. L. Mason 1935-5-31 Napa 3 mi s of Napa (near highway) Comment
  JEPS70594  Paspalum dilatatum R. S. Pearse Napa Napa; Soda Springs Road Comment
  UCD20782  Pectocarya pusilla V. (Shorty) Boucher 2002-3-27 1 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Just north of the intersection of West and East roads, along upper Ridge road. On the road through burned chaparral at the north tip of the peninsula. 320 Comment
  CHSC22786  Pedicularis densiflora Carol Getzinger 1964-3-24 15 Napa Mt. Veeder Road, 0.3 mi s of jct with Dry Creek Road. 548 Comment
  UC480620  Pedicularis densiflora Mrs. Linsdale 1929-4-13 Napa Calistoga Comment
  UCD67968  Pedicularis densiflora D. Levine 1974-4-6 47 Napa Headwaters of Wragg creek, 4 miles from junction 121 on highway 128. 304 Comment
  HSC43956  Pellaea andromedifolia Robert M. Specht 1977-4-19 698 Napa Above drainage running NE from Adams Cr. (site 163) 497 Comment
  CAS-BOT-BC71378  Pellaea mucronata John H. Thomas 1955-5-21 5102 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC71385  Pellaea mucronata Peter H. Raven 1950-4-15 1739 Napa Wooden Valley Grade above Napa 609 Comment
  RSA602575  Pellaea mucronata L. C. Wheeler 1952-8-30 6882 Napa Manganese Ridge. Moore Creek, Howell Mountain 366 Comment
  UCR219835  Pellaea mucronata var. mucronata Ayzik Solomeshch 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  JEPS110744  Penstemon heterophyllus var. heterophyllus Jake Ruygt 1979-6-2 666 Napa 4.7 miles north of Monticello Rd. on Atlas Peak Rd. 347 Comment
  UC185341  Penstemon heterophyllus var. heterophyllus Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  CAS-BOT-BC71673  Pentagramma triangularis subsp. triangularis John H. Thomas 1955-5-21 5149 A Napa Along State Highway No. 128, about 4.5 miles south of Menticello 167 Comment
  UCD48368  Pentagramma triangularis subsp. triangularis Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd. South of junction with Cut Off Rd., 10 ft. from creek bed. 182 Comment
  CAS-BOT-BC71677  Pentagramma triangularis subsp. triangularis Betty H. Johnson 1958-6-20 275 Napa above Old Toll Road, ca. 1/2 mile above Mt. Mill House, 6.4 miles SW of Middletown Comment
  UCD161320  Perideridia gairdneri subsp. gairdneri Jake Ruygt 1979-7-21 756 Napa 0.9 miles east of Cold Springs Road on Los Posados Road. (Coordinates estimated by label maker at UC Davis). 521 Comment
  JEPS104485  Perideridia kelloggii Jake Ruygt 1991-7-24 2799 b Napa Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  UC1389983  Perideridia kelloggii T. I. Chuang, L. Constance, and R. Bacigalupi 1967-7-6 6064 Napa on Conn Valley Rd 2.6 mi w Lake Hennessy Comment
  JEPS12437  Perideridia oregana Willis L. Jepson 1901-8-6 1726 Napa Howell Mt. grade Napa River Basin Comment
  JEPS120312  Persicaria hydropiperoides Jake Ruygt 1992-8-6 3122 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Quad. Comment
  UCD149578  Persicaria hydropiperoides 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
  UCSB61652  Persicaria punctata Ertter, Barbara; Neese, Elizabeth 1988-10-2 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges, T7N R5W; below spillway on N side of Rt 128, 91 Comment
  JEPS37159  Petasites frigidus var. palmatus Mrs. C. A. Hunt 1909-3-25 Napa Comment
  UCR196226  Petrorhagia dubia M. K. Voigt, E. Sweeney, M. Miller 2002-4-13 01 Napa McLaughlin UC Reserve. Southwest of old town of Knoxville on north side of Knoxville-Berryessa Road 427 Comment
  UCD120303  Phacelia californica John Thomas Howell 1929-6-9 4309 Napa 4 miles from Calistoga on road to Petrified Forest. Comment
  CAS-BOT-BC134010  Phacelia distans John H. Thomas 1955-5-21 5173 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  UCD81820  Phacelia distans Ellen Dean 2009-4-24 5447 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  JEPS110866  Phacelia divaricata Jake Ruygt 1979-4-14 514 Napa Oat Hill Mine Rd. near Twin Peaks 694 Comment
  JEPS2147  Phacelia egena W. L. Jepson 1924-5-8 10413 Napa Pope Creek Comment
  JEPS2146  Phacelia imbricata W. L. Jepson 1936-6-1 17599 Napa near sanitarium (lower slopes of mt.); Napa Range, Howell Mtn. Comment
  RSA582241  Phacelia imbricata subsp. imbricata Joseph A. Ewan 1934-4-30 8848 Napa Five miles south of Montebiello, on Steel Canyon Road. Comment
  UCD166689  Phacelia imbricata subsp. imbricata Jake Ruygt 1998-5-16 3966 b Napa Maggies Peak, near Bismark Knob. 594 Comment
  UC735081  Phacelia mutabilis Lincoln Constance, J. F. Davidson, R. H. Shan, and W. H. Wagner 1946-5-18 3044 Napa se slope of mt. near Mount St. Helena Inn; Mount St. Helena Comment
  CAS-BOT-BC265854  Phalaris californica John Thomas Howell 1940-5-19 15444 Napa Near Calistoga Comment
  UCD73505  Phalaris minor Ayzik Solomeshch 2007-5-28 s. n. Napa NW of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  RSA92823  Phalaris paradoxa P. H. Raven 1952-5-29 4095 Napa Napa River, 1 mile N. Napa. 61 Comment
  JEPS71124  Phlox gracilis Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  JEPS56135  Phoradendron densum Donald V. Hemphill 1968-7-13 Napa sw Lake Berryessa; Cedar Roughs 609 Comment
  UC639129  Phoradendron densum H. L. Mason and L. Constance 1939-12-21 Napa on shoulder of Mt. St. Helena (on Middletown-Calistoga rd. at Lake Co. line) Comment
  UCD48243  Phoradendron leucarpum subsp. tomentosum D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-25 s.n. Napa Berryessa-Knoxville Road. UC McLaughlin Nature Reserve. 650 Comment
  CAS-BOT-BC171138  Phoradendron serotinum subsp. tomentosum Peter H. Raven 1951-8-19 3851 Napa near Lokoya 457 Comment
  CAS-BOT-BC171139  Phoradendron serotinum subsp. tomentosum J. J. Walters 1932-3-6 s.n. Napa St. Helena Comment
  UC6101  Phoradendron villosum Willis L. Jepson 1894-1 Napa Napa R. Basin, St. Helena Comment
  RSA92929  Phoradendron villosum Peter H. Raven 1951-8-19 3851 Napa Near Lokoya. 457 Comment
  UCD170443  Phragmites australis Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 915 Napa Knoxville Wildlife Area, on Zim Zim Falls trail north of Zim Zim Falls. 407 Comment
  SD107789  Phyla nodiflora C. W. Tilforth, John Dourley 1979-7-22 1858 Napa small canyon above stream, 0.4 mi. south of Park Hdqrs, west side of Lake Berryesa 136 Comment
  CAS-BOT-BC140550  Physocarpus capitatus E. Ruckert 1960-5-8 147 Napa 6495 Dry Creek Road, field west of gate 365 Comment
  UCD108157  Pickeringia montana Beecher Crampton 1959-11-2 BC- 111 Napa North end of Capell Valley, above Capell Creek. Comment
  RSA602574  Pickeringia montana L. C. Wheeler 1952-8-30 6881 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  JEPS65570  Pickeringia montana var. montana W. L. Jepson 1938-5-25 18859 a Napa Bell Canyon Howell Mt. 579 Comment
  UC796589  Pinus attenuata Ira L. Wiggins 1949-4-30 12085 Napa 1.5 mi from summit Mount St. Helena (along forest road) 1066 Comment
Read comments
Oct 2 2012
  UCD161508  Pinus radiata Marcel Rejmanek 2015-10-13 s.n. Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, adjacent to Research Station. 411 Comment
  JEPS46893  Pinus sabiniana W. L. Jepson 1895-11-1 Napa Howell Mountain Comment
  JEPS120440  Piperia elongata Jake Ruygt 1978-7-2 377 Napa 3/4 mile west of 29 on Diamond Mtn. Rd. Comment
  JEPS122738  Plagiobothrys bracteatus Jake Ruygt 2011-5-7 5773 Napa Pope Valley, Pope Canyon Road at vernal marsh. Quad: St. Helena. Comment
  JEPS60936  Plagiobothrys bracteatus Willis L. Jepson 1893-6-26 21171 Napa Howell Mt. Napa River Basin Comment
  JEPS60944  Plagiobothrys bracteatus Willis L. Jepson 1893-4-24 21164 Napa hills e of St. Helena to Conn Valley; Napa River Basin Comment
  UC78139  Plagiobothrys bracteatus Alice Eastwood 1900-5-8 Napa Calistoga Comment
  UCR205996  Plagiobothrys bracteatus Jake Ruygt 1996-5-13 3667 Napa 0.9 mi south of Pope Canyon Road on Hardin Road 184 Comment
  UC1106288  Plagiobothrys bracteatus Peter H. Raven 1950-5-6 2108 Napa on Old Faithful Geyser road near Rt. 29 (2 mi n of Calistoga) Comment
  HSC81992  Plagiobothrys cognatus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5155 Napa W side of Butts Canyon Rd. at junction with private road 244 Comment
  SD58506  Plagiobothrys cognatus Joseph P. Tracy 1950-5-23 18675 Napa La Jota Plateau at head of Moore's Creek. 518 Comment
  JEPS106768  Plagiobothrys greenei Jake Ruygt 1986-4-5 1683 Napa Suscol ridge east of HWY 221 231 Comment
  JEPS129161  Plagiobothrys greenei Jake Ruygt 2015-3-28 6062 Napa Upper Bohn Lake. Aetna Springs 7.5' Quad. Comment
  JEPS100374  Plagiobothrys stipitatus var. micranthus Dean W. Taylor 2001-5-15 17652 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS129019  Plagiobothrys stipitatus var. micranthus Jake Ruygt 2016-5-7 6237 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD63861  Plagiobothrys stipitatus var. micranthus Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  UCD81829  Plagiobothrys stipitatus var. micranthus Ellen Dean 2009-4-24 5456 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 274 Comment
  UC191655  Plagiobothrys strictus Edw. L. Greene 1892-4-20 Napa Calistoga Comment
  UC353893  Plagiobothrys strictus Milo S. Baker 1927-5-1 2102 Napa near geysers; Calistoga Comment
  JEPS106760  Plagiobothrys tenellus Jake Ruygt 1986-4-20 1718 Napa The Palisades 755 Comment
  UC1245375  Plagiobothrys tenellus Joseph P. Tracy 1950-5-23 18669 Napa dry gravelly flats Northern Coast Ranges, Howell Mountain, La Jota Plateau 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
  HSC81864  Plantago elongata Thomas W. Nelson, Jane Nelson 1980-5-3 5148 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  JEPS110787  Plantago elongata Jake Ruygt 1993-4-18 3213 Napa west of west end of Rio Del Mar Drive, American Canyon 1 Comment
  CDA10892  Plantago erecta G. F. Hrusa, M. Rejmanek 1993-5-15 10987 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS85040  Plantago erecta Larry Heckard and Mary Ashton 1969-5-3 2194 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  UCD48071  Plantago erecta L. Lina; E. Anderson, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 2 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCR146184  Plantago erecta Beecher Crampton 1967-5-11 7918 A Napa Inner North Coast Ranges, 4.5 miles east of Rutherford, south slope, Conn Reservoir 122 Comment
  SEINET5735104 Image available Plantago erecta Carol Moore 1974-1 12 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon Road and Chiles Valley Road intersection. Comment
  UCD170431  Plantago lanceolata Daniel Potter; Daniel McNair 2016-4-23 923 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  UCD18368  Plantago lanceolata R. Wenk 2000-5-14 4 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  RSA523626  Plantago lanceolata W. L. Jepson 1936-6-2 17612 Napa Hills to east of Yountville, on east side of road. Comment
  HSC58979  Platystemon californicus G. E. Johnston 1974-4-4 1022 Napa Near Bell Canyon, close to the town of Angwin 427 Comment
  JEPS120328  Platystemon californicus Jake Ruygt 2005-3-20 4708 Napa Alston Park, Dry Creek Road, Napa. Napa 7.5' Quad. Comment
  JEPS51578  Platystemon californicus W. L. Jepson 1915-4-23 6240 Napa St. Helena Comment
  JEPS51580  Platystemon californicus Willis L. Jepson 1897-5-2 Napa St. Helena Comment
  CAS-BOT-BC91873  Platystemon californicus David D. Keck 1931-4-2 1056 Napa Monticello. Comment
  RSA195378  Platystemon californicus var. californicus Gilbert Muth 1967-4-16 632 Napa Snell Valley. 183 Comment
  JEPS4802  Plectritis brachystemon Miss R. Kuhn 1912-5-19 Napa Oakville Comment
  JEPS5148  Plectritis ciliosa subsp. ciliosa W. L. Jepson 1893-4-28 Napa ne of Napa City (Franchos Creek); Napa Range, Franchos Creek Comment
  UC999824  Plectritis ciliosa subsp. ciliosa S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 691 Napa Lower Lake Road Comment
  JEPS110901  Plectritis ciliosa subsp. insignis Jake Ruygt 2003-3-22 4474 Napa Ink Grade, about 1 mi W of Pope Valley Road 280 Comment
  UCD83672  Plectritis congesta subsp. brachystemon Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 7 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 185 Comment
  UC917295  Plectritis macrocera M. R. Wanzer 1948-4-3 8 Napa 13 mi w of Winters (Putah Canyon); Putah Canyon Comment
  UCD137615  Plectritis macrocera J. D. Skoss 1948-4-10 s.n. Napa Putah Canyon, 12 miles above Winters. Comment
  UC71014  Pleuropogon californicus Willis L. Jepson May 1892 Napa Napa Valley , Napa River Basin (Napa River Basin) Comment
  CAS-BOT-BC260959  Pleuropogon californicus var. californicus John Thomas Howell 1967-5-18 42245 Napa Big geysers north of Calistoga Comment
  UCD90178  Pleuropogon californicus var. californicus Joseph P. Tracy 1938-6-6 15844 Napa Napa Valley. Between Napa City and Yountville. 30 Comment
  CAS-BOT-BC260958  Pleuropogon californicus var. californicus Peter H. Raven 1957-5-5 10748 Napa Near hot springs, Calistoga 91 Comment
  UCD91104  Poa howellii Beecher Crampton 1956-5-25 3461 Napa Vaca Mountains, eastern slope of Wragg Canyon. Comment
  UC1117708  Poa napensis Alan A. Beetle 1946-5-7 4256 Napa two mi n Calistoga; Myrtledale; N of Calistoga at Myrtledale Hot Springs, Napa Co. Comment
  UCD91551  Poa napensis Beecher Crampton 1962-5-8 6418 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  SEINET7546722  Poa napensis A. A. Beetle 1946-1 Napa Comment
  CAS-BOT-BC255949  Poa pratensis Peter H. Raven 1951-5-26 2890 Napa Howell Mtn. above Pope Valley 304 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
  CDA10914  Poa secunda G. F. Hrusa, M. Rejmanek 1993-5-15 11010 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD18085  Poa secunda Ellen Dean; with PLB 102 class 2000-4-22 641 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  UCD18140  Poa secunda Jean Shepard; with PLB 102 class 2000-4-29 195 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
  UCD90839  Poa secunda subsp. secunda Beecher Crampton 1965-5-13 7333 Napa 11 miles E of Rutherford, State Hwy. 128. Comment
  RSA83437  Pogogyne douglasii J. T. Howell 1929-5-30 4278 Napa 3 miles from Pope Valley Store on road to Pope Creek Canyon, Napa Range Comment
  UCD167141  Pogogyne serpylloides Jake Ruygt 2015-5-2 6086 i Napa West of Buck Mountain near Nevada. 598 Comment
  POM181332  Polycarpon tetraphyllum J. T. Howell 1931-4-19 6438 Napa Conn Creek Wah, Napa Valley Comment
  UCD109699  Polygala californica Heidi E. M. Dobson 1978-5-20 328 Napa east slope of Mt. Veeder. Comment
  UCSB11831  Polygala californica Haller, John 1961-6-18 Napa Las Posadas State Forest, 1.5 mi S of Angwin on Howell Mountain Plateau 518 Comment
  JEPS50582  Polygonum bolanderi Willis L. Jepson 1893-9-25 14782 Napa Lone Tree Farm Napa River Basin, Sunset Hills (edge of hills) Comment
  UC6673  Polygonum californicum W. H. Brewer 1861-11-4 856 Napa e Camp 64; Napa Valley 609 Comment
  JEPS50607  Polygonum hydropiper W. L. Jepson 1894-11-5 Napa towards Battle Mt. (near St. Helena) Comment
  JEPS112596  Polygonum lapathifolium Jake Ruygt 1986-7-12 1874 Napa Napa River south of confluence of Tulocay Creek 1 Comment
  JEPS115738  Polygonum lapathifolium Lowell Ahart 2009-10-12 16447 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  JEPS120370  Polygonum majus Jake Ruygt 1986-6-14 1812 Napa Mt. Millhouse Camp, Mt. Saint Helena. Detert Reservoir 7.5' Quad. 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
  JEPS115743  Polygonum punctatum Lowell Ahart 2009-10-12 16449 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 133 Comment
  RSA755360  Polygonum punctatum L. Ahart 2009-10-12 16449 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  JEPS120417  Polygonum punctatum Jake Ruygt 2010-8-23 5734 Napa Bell Canyon Reservoir near dam. 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
  SEINET3153012  Polypodium californicum R. H. Platt 1898-3-24 sn Napa Vaca Mts. Comment
  JEPS116557  Polypodium calirhiza Jake Ruygt 2005-3-26 4712 Napa Marie Creek, below old dam. Mount George 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
  UC42893  Polypodium glycyrrhiza Ferd L. Clarke 1892-1 Napa near Yountville Comment
  CDA34668  Polypogon interruptus L. Ahart 2009-10-12 16466 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
  JEPS75639  Polypogon monspeliensis W. L. Jepson 1936-5-30 17557 Napa Napa Valley Rutherford; Napa Valley Comment
  UCD169866  Polypogon monspeliensis Daniel Potter; Peter Lash 2015-4-26 801 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 444 Comment
  UCD20730  Polypogon monspeliensis Ellen Dean; w/ Mark Bibbo 2002-6-17 1094 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 188 Comment
  JEPS103977  Polystichum californicum Jake Ruygt 1992-8-8 3125 b Napa near Lake Marie, Skyline Park 243 Comment
  UC1242054  Polystichum californicum Don Branscomb 1959-2-2 Napa between Calistoga and Napa (Mill Creek Canyon); Mill Creek Canyon Comment
  UC1242055  Polystichum californicum Don Branscomb 1959-2-2 Napa between Calistoga and Napa (Mill Creek Canyon); Mill Creek Canyon Comment
  CAS-BOT-BC445237  Portulaca oleracea Peter H. Raven 1952-5-26 4030 Napa Rutherford 53 Comment
  CAS-BOT-BC508641  Prosartes hookeri Ira L. Wiggins 1949-4-30 12088 Napa On eastern flank of Mount St. Helena 914 Comment
  CAS-BOT-BC158580  Prunus Alice Eastwood 1922-5-5 11295 Napa Mt. St. Helena Comment
  JEPS44630  Prunus ilicifolia Frank A. Leach 1923-4-30 Napa about 3 or 4 mi e of Napa 243 Comment
  JEPS44963  Prunus subcordata W. L. Jepson 1917-8-16 7434 Napa Howell Mountain 182 Comment
  UCD63178  Pseudognaphalium microcephalum Jake Ruygt 1988-3-26 2138 Napa east of Toll canyon on Blue Ridge. 673 Comment
  JEPS106961  Pseudognaphalium stramineum Jake Ruygt 1991-8-4 2811 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 131 Comment
  RSA195368  Pseudotsuga menziesii Gilbert Muth 1967-2-12 528 Napa Below Martin Springs. 439 Comment
  SEINET265709  Pseudotsuga menziesii Royal D. Suttkus 1967-6-26 67- 30 -14 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UCD162095  Pseudotsuga menziesii var. menziesii Dylan O. Burge 2014-3-15 1492 Napa Mount Saint Helena. 750 Comment
  UCD147467  Psilocarphus brevissimus Ellen Dean; Diana Hickson 2014-4-29 8080 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD63153  Psilocarphus brevissimus var. brevissimus Jake Ruygt 2005-6-7 4906 Napa Ridge top west of Circle Oaks. 588 Comment
  UC1245374  Psilocarphus oregonus Joseph P. Tracy 1950-5-23 18666 Napa 3 to 4 mi e Angwin's (La Jota Plateau, on hills at the head of Moores Creek); Northern Coast Ranges, Howell Mountain 518 Comment
  UC403981  Ptelea crenulata J. F. Spurgeon Sep 1906 2 Napa Veteran's Home, Napa; Napa Comment
  JEPS129136  Pteridium aquilinum var. pubescens Jake Ruygt 1979-6-9 679 Napa Spring Mountain Winery (Falconcrest). Saint Helena 7.5' Quad. Comment
  JEPS57990  Pterostegia drymarioides Willis L. Jepson 1893-4-24 Napa hills e. of St. Helena to Conn Valley; Napa R. Basin Comment
  UCD92252  Puccinellia simplex R. Tofsrud 1949-4-1 s.n. Napa Calistoga, Myrtledale Hot Springs. Comment
  UC829434  Pyrrocoma racemosa var. racemosa Alice Eastwood 1918-9-3 7961 Napa 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
  JEPS116572  Quercus X morehus Jake Ruygt 1986-5-5 1742 Napa North side of Mount George. 7.5' Mount George Quad. Comment
  JEPS37371  Quercus agrifolia W. L. Jepson 1907-12-1 2973 Napa Sanitarium Hill road Napa Valley 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
  RSA608861  Quercus agrifolia var. agrifolia Louis C. Wheeler 1963-9-16 8392 Napa Moore Creek Prospect, E of St. Helena. Comment
  CAS-BOT-BC532605  Quercus berberidifolia G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs Comment
  UCD14679  Quercus berberidifolia John M. Tucker; and G. L. Stebbins 1950-11-5 2012 Napa California, Napa Co.; 5 mi. east of Conn Valley Dam, beside road to Monticello; Comment
  UCD14832  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -5 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD92280  Quercus berberidifolia D. Q. Cavagnaro 1963-10-18 224 Napa 0.4 miles west of Monticello Dam. 30 Comment
  UCD96198  Quercus berberidifolia Ellen Dean; with Clare Loughran 2011-5-20 7076 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  CAS-BOT-BC62455  Quercus chrysolepis Bell Richardson Jackson 1924-10-22 s.n. Napa Summit of Mt. St. Helena Comment
  CAS-BOT-BC62456  Quercus chrysolepis Bell Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC62458  Quercus chrysolepis Peter H. Raven 1951-8-19 3838 Napa nr. Lokoya 487 Comment
  CAS-BOT-BC62461  Quercus chrysolepis Mrs. E. C. Suttiffe 1919-10-1 s.n. Napa Mt. St. Helena Comment
  SACT002631  Quercus chrysolepis John Willoughby 1977-2-1 Napa East side of Mount Vaca, just below summit along road, near stand of Torreya californica, in chaparral. Comment
  SEINET12034303  Quercus chrysolepis Unknown 1942-1 s.n. Napa Calistoqo Comment
  JEPS37493  Quercus douglasii Miss Frida Niedermuller 1908-9-7 Napa St. Helena Comment
  CAS-BOT-BC79833  Quercus durata John Thomas Howell 1933-8-24 3045 Napa Canyon of Pope Valley Creek below Walter's Springs, Napa Range Comment
  CAS-BOT-BC79837  Quercus durata C. Hart Merriam September k3m k9k9 s.n. Napa Canyon House, Steel Creek Comment
  CAS-BOT-BC79845  Quercus durata H. E. McMinn 386 Napa about 20 mi from Middletwon Comment
  CAS-BOT-BC79846  Quercus durata H. E. McMinn 1922-6-8 199 Napa hill side along Pope Creek Comment
  CAS-BOT-BC79848  Quercus durata R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6680 Napa Butts Canyon, 10 mi N of Howell Mt. 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
  RSA39635  Quercus durata P. A. Munz 1947-10-10 12214 Napa Inner Coast Range, 11 miles east of Rutherford, on road to Winters. Comment
  UCD14806  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -4 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14807  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -5 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14816  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -33 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14817  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -1 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14825  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -21 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD170830  Quercus durata 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD45972  Quercus durata D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. Serpentine chaparral in Capell Creek. 250 Comment
  SBBG25324  Quercus durata var. durata B. Rice 1965-5-15 68 Napa Devilshead Rd, 5 mi N of Cedar Valley 487 Comment
  JEPS116535  Quercus garryana Jake Ruygt 1984-3-28 1510 Napa West of end of Whitehall Lane. Rutherford 7.5' Quad. Comment
  UCD46113  Quercus garryana W. L. Jepson 1916-8-6 6825 Napa Howell Mt. Comment
  UCD46174  Quercus garryana J. M. Tucker 1954-9-23 2754 Napa (X Q. douglasii H. and A.) Slope on Mt. St. Helena, overlooking Highway 29, 5.2 miles (by road) north of the city limits sign on north side of Calistoga, Napa County, California. 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
  CAS-BOT-BC105294  Quercus kelloggii Peter H. Raven 1951-8-20 3861 Napa near Lokoya 548 Comment
  CAS-BOT-BC105295  Quercus kelloggii Peter H. Raven 1952-5-29 4093 Napa Napa River 1 mi N Napa 60 Comment
  JEPS46698  Quercus kelloggii W. L. Jepson 1902-9-27 Napa St. Helena Comment
  RSA623982  Quercus kelloggii T. Gertrude Williamson 1924-7-4 346 Napa Canon near S. Helena, Napa Valley. Comment
  UCD46655  Quercus kelloggii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCD46743  Quercus kelloggii John M. Tucker 1995-10-14 s.n. Napa California, Napa Co.; Homestead Area of the Mc Cormick Ranch, approximately 1.1 mi. north of Bald Mountain in Sugar Loaf State Park, and roughly 7 mi. west of St. Helena. 548 Comment
  SEINET5644379  Quercus kelloggii D. Q. Cavagnaro 1963-10-18 225 Napa At Napa Valley Ranch Club road junction, 2.8 miles west of Moskowite Corners.; 0 Comment
  POM262791  Quercus lobata J. C. Roos 1939-3-27 282 Napa Angwin, Howell Mountains. Comment
  UCD83400  Quercus lobata Jake Ruygt 1996-5-4 3643 Napa Butts Canyon Rd. at James Creek Rd.; field to SE. 210 Comment
  CAS-BOT-BC104979  Quercus wislizeni John Thomas Howell 1926-3-28 1764 Napa Trail to top of Mt. St. Helena Comment
  CAS-BOT-BC104983  Quercus wislizeni H. E. McMinn 1923-5-25 973 Napa Summit Wooden Valley Grade Comment
  JEPS37797  Quercus wislizeni W. L. Jepson 1938-9-28 19045 Napa La Jota Mesa Howell Mt. Comment
  JEPS106867  Rafinesquia californica Jake Ruygt 1980-5-13 882 Napa 3.0 miles S of Oakville Grade on Dry Creek Rd. 152 Comment
  UCD144652  Rafinesquia californica Alice Warrick 2007-4-20 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD17980  Ranunculus aquatilis Ellen Dean; with Plant Biology 102 class 2001-4-14 705 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, in stock pond. 152 Comment
  JEPS110891  Ranunculus aquatilis var. capillaceus Jake Ruygt 1996-3-30 3539 Napa Jameson Vineyards, South Kelly Road. 67 Comment
  JEPS110888  Ranunculus californicus Jake Ruygt 1982-2-11 1095 Napa Suscol plain near Kaiser Steel (Rocktram 4 Comment
  JEPS55189  Ranunculus californicus W. L. Jepson 1897-5-2 Napa near St. Helena; Bottle Mountain Comment
  UC9500  Ranunculus californicus Willis L. Jepson 1896-2-22 Napa Howell Mt. Grade Napa River Basin Comment
  UCD21498  Ranunculus hebecarpus Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4400 Napa Quail Ridge Reserve. 213 Comment
  POM268693  Ranunculus lobbii W. L. Jepson 1893-5-1 s.n. Napa Upper Napa Valley, near Calistoga; Napa River basin Comment
  UCD15590  Ranunculus muricatus J. A. Johnston 1995-5-7 3 Napa Hwy 128, approx. 1 mile west of Markley Cove on Lake Berryessa. 700 Comment
  UCD159791  Ranunculus muricatus James A. Neilson Jr. 1975-4-13 3160 Napa Soda Canyon Road, near outlet of canyon. 60 Comment
  UCR30447  Ranunculus muricatus John C. Roos 1939-4-18 s.n. Napa North Coast Range, Pacific Union College; Angwin 549 Comment
  JEPS110880  Ranunculus occidentalis Jake Ruygt 2002-3-23 4372 Napa Snell Valley at Missimer Wildflower Preserve, S side of road 195 Comment
  JEPS60693  Ranunculus occidentalis Joseph P. Tracy 1933-4-30 12094 1/2 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 396 Comment
  UCD49120  Ranunculus occidentalis L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 1 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
  JEPS55167  Ranunculus occidentalis W. L. Jepson 1897-5-2 Napa near St. Helena; Napa Valley Comment
  SEINET215120  Ranunculus occidentalis var. eisenii B. Bearce 1965-4-4 18 Napa Ca 19 mi W of Winters on CA Hwy 121 Comment
  JEPS48652  Ranunculus orthorhynchus var. bloomeri Elsa Kraeger 1926-4-4 Napa near Soscal (railroad station near Napa) Comment
  POM306532  Ranunculus pusillus A. M. Ottley 1921-5-6 1327 Napa San Francisco Bay area, N of St. Helena, Wet meadow Comment
  CAS-BOT-BC427555  Reseda luteola Betty H. Johnson 1958-6-20 647 Napa Near Mt. Mill House, 6.4 mi. S.-W. of Middletown Comment
  CDA42397  Rhagadiolus stellatus R. Robison 2014-4-21 s.n. Napa Bale Gristmill State Historic Park. 0 Comment
  UCD74323  Rhagadiolus stellatus Ayzik Solomeshch 2007-5-28 s. n. Napa Northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC362896  Rhagadiolus stellatus Ida DeMay Wilson 1959-4-5 s.n. Napa Dry Creek Road Comment
  RSA7786  Rhamnus californica Carl B. Wolf 1928-5-4 1856 Napa Upper slopes of Mount St. Helena. Comment
  UC592776  Rhamnus californica subsp. californica unknown 1928-5-4 1856 Napa upper slopes of Mt. St. Helena Mt. St. Helena Comment
  CAS-BOT-BC59541  Rhamnus crocea John H. Thomas 1955-5-21 5110 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  JEPS110644  Rhamnus crocea Jake Ruygt 1979-5-4 578 Napa Trefethen hillside property east of Carell Lane 152 Comment
  UCD73432  Rhamnus crocea 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
  UCD160730  Rhamnus ilicifolia Ellen Dean 2015-5-23 8782 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UC668155  Rhamnus tomentella subsp. crassifolia Joseph P. Tracy 1938-6-6 15834 Napa 5 mi e Angwin's (on hills at head of Moores Creek); Howell Mountain, Moores Creek 365 Comment
  CDA29137  Rhododendron occidentale D. G. Kelch, Daniel Weinstein 2009-6-21 9 .444 Napa Near Skyline Park. Comment
  UCD20692  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 4 Napa Napa County, NE side of Butts Canyon Rd. along SW and NE side of Butts Creek, 250 ft. east of Napa, 20.14 marker. Bulk of population is 330 ft. west of Napa 20.14 marker, continuous to Lake Co. Plants within 20' of water. Comment
  CDA38891  Rhododendron occidentale A. T. Leiser 1984-9-23 s.n. Napa Butts Canyon Rd. along both sides of Butts Creek. Lake County line to 500' southeast of county line, predominately on southwest bank, a few on northeast bank. 0 Comment
  SEINET6165491 Image available Rhododendron occidentale Unknown 1981-5-18 s.n. Napa 9.9 mi S of middleton, down Butts Canyon Rd. Comment
  JEPS66678  Rhododendron occidentale var. occidentale W. L. Jepson 1936-6-2 17596 Napa Four Corners, Howell Mountain. Comment
  RSA471014  Rhododendron occidentale var. occidentale H. E. McMinn 1922-6-8 169 Napa Howell Mt. Comment
  SEINET12237641  Rhus trilobata F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -314 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS126033  Ribes californicum Jake Ruygt 1998-6-24 4055 Napa Brushy Canyon. Lake Berryessa 7.5' Quad. Comment
  JEPS49319  Ribes californicum Willis L. Jepson 1893-5-2 13511 Napa Mts. e Calistoga (Pope Valley grade) Comment
  CAS-BOT-BC92979  Ribes californicum var. californicum Peter H. Raven 1953-2-21 5196 Napa Steel Canyon. 213 Comment
  JEPS126069  Ribes malvaceum Jake Ruygt 2007-5-19 5184 Napa Devilhead Road, top of grade, north end. Knoxville 7.5' Quad. Comment
  UCD170208  Ribes malvaceum var. malvaceum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 749 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 363 Comment
  UCD167057  Ribes malvaceum var. malvaceum Jake Ruygt 1996-4-12 3609 b Napa Portuguese Canyon, near jeep trail. 304 Comment
  UC572660  Ribes roezlii Herbert B. Kaufner 1937-4-12 102 Napa near summit (highway) Mount St. Helena Comment
  JEPS126025  Ribes sanguineum var. glutinosum Jake Ruygt 1982-3-22 1139 Napa Marie Creek, Skyline Park. Mount George 7.5' Quad. Comment
  CAS-BOT-BC363047  Rigiopappus leptocladus John Thomas Howell 1931-4-3 6130 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  CAS-BOT-BC363050  Rigiopappus leptocladus John H. Thomas 1955-5-21 5168 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  HSC43962  Rigiopappus leptocladus Robert M. Specht 1977-4-11 620 Napa Along drainage of Pocock Creek 500 Comment
  JEPS53865  Rorippa curvisiliqua Willis L. Jepson 1893-4-25 13375 Napa Edge Hill near St. Helena (Napa River Basin); , near St. Helena Comment
  CAS-BOT-BC148157  Rosa gymnocarpa Elsa G. Ruckert 1960-5-7 143 Napa Wall Road, 1/4 mile from junction with Dry Creek Road 365 Comment
  RSA73974  Rosa spithamea Milo S. Baker 1947-7-7 11845 Napa Near end of wood road leading S from Mt. St. Helena Inn towards the 'Crater'. 915 Comment
  UCD17673  Rubus H. Olmo; T. S. Mallah 1953-4-3 53 35 Napa California. Napa County: near Redwood Lodge, along road south of Calistoga. Growing in wet, swampy ground. Comment
  UCD114003  Rubus ursinus Heidi E. M. Dobson 1978-4-8 303 Napa East slope of Mt. Veeder. Comment
  CAS-BOT-BC421716  Rumex conglomeratus Peter H. Raven 1951-6-24 3009 Napa Napa 30 Comment
  CHSC102269  Rumex fueginus Lowell Ahart 2009-10-12 16428 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS120355  Rumex occidentalis Jake Ruygt 1980-6-1 906 Napa Edgerley Island. Cuttings Wharf 7.5' Quad. Comment
  JEPS110754  Rumex pulcher Jake Ruygt 1982-6-6 1306 Napa south of Suscol Hill, west of HWY 29 9 Comment
  POM161356  Rupertia physodes Rimo Bacigalupi 1928-6-20 1867 Napa Howell Mt, 10 miles W of St Helena Comment
  UC126474  Rupertia physodes Harley P. Chandler Sep 7 1906-Sep 14 1906 7100 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD108460  Rupertia physodes M. Wiesendanger 1927-5-4 698 Napa Monticello-Napa Rd. Comment
  SEINET9331061  Rupertia physodes Unknown 1953-5-19 1301 Napa Dense stand under oaks, along Hwy 128 about 9 mi E of Rutherford. Comment
  UCD48857  Sagina apetala E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., N of jct with South Decker Canyon Rd. Sandy, distrubed area immediately off roadside. 182 Comment
  JEPS51076  Sagina decumbens subsp. occidentalis Willis L. Jepson 1893-4-24 Napa hills e. St. Helena (to Conn Valley Rd.); Napa R. Basin 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
  UCD148762  Sagina decumbens subsp. occidentalis Jake Ruygt 1985-4-7 1584 Napa Napa County; Los Posados State Forest. 390 Comment
  UCD161214  Salicornia pacifica Jake Ruygt 1993-8-28 3289 Napa Bentley Wharf. 0 Comment
  POM203578  Salix I. L. Wiggins 1932-3-12 5752 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  CAS-BOT-BC103227  Salix bonplandiana Peter H. Raven 1952-9-14 5177 Napa Conn Creek e. of Yountville 91 Comment
  LA208565  Salix breweri David D. Keck; 1931-4-3 1075 Napa 5 mi. NE of Aetna Springs, along Butts Creek Comment
  RSA3282  Salix breweri D. D. Keck 1931-4-3 1075 Napa 5 miles NE of Aetna Springs, along Butts Creek. Comment
  UC457172  Salix breweri David D. Keck 1931-4-3 1075 Napa along creek 5 mi ne Aetna Springs; Butts Creek Comment
  UC762333  Salix breweri R. F. Hoover 1938-9-23 3864 Napa Canyon of south fork of Butts Creek Comment
  CAS-BOT-BC103753  Salix exigua Lewis S. Rose 1937-4-4 37020 Napa 4 mi. N. of Wooden Valley 335 Comment
  POM202753  Salix exigua I. L. Wiggins 1932-3-12 5755 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  RSA3942  Salix exigua I. L. Wiggins 1932-3-12 5755 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UCD110949  Salix exigua Bob Wych 1975-5-29 37 Napa Wragg Canyon Road, 0.2 mile north of intersection with State Highway 128. Comment
  UC146203  Salix exigua var. hindsiana Joseph P. Tracy 1904-5-20 2077 Napa along Napa R. near Rutherford; Northern Coast Ranges 30 Comment
  UC483319  Salix exigua var. hindsiana Ira L. Wiggins 1932-3-12 5756 Napa 1 mi n Calistoga; N. Fork Napa R. Comment
  CAS-BOT-BC108191  Salix hindsiana Paul H. Jr. Arnaud 1978-5-6 s.n. Napa Steele Resort Park, Lake Berryessa 100 Comment
  CAS-BOT-BC108198  Salix hindsiana Lewis S. Rose 1937-4-4 37020 Napa 4 mi. N. of Wooden Valley 335 Comment
  CAS-BOT-BC108199  Salix hindsiana Peter H. Raven 1951-6-26 3045 Napa Sarco Ck. E of Napa 60 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
  CAS-BOT-BC125149  Salix lasiandra var. lasiandra Peter H. Raven 1952-5-31 4116 Napa 2.5 mi. e. of Yountville 60 Comment
  JEPS13831  Salix lasiolepis Willis L. Jepson 1903-9-6 2345 Napa St. Helena; Napa River Basin Comment
  POM220467  Salix lasiolepis Carleton R. Ball, Harold E. Parks 1931-2-17 17 -b Napa 1 mile NW of Calistoga. Comment
  UC507329  Salix lasiolepis Ira L. Wiggins 1932-3-12 5752 Napa 1 mi n Calistoga; North Fork of the Napa River Comment
  UC519392  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 1 Napa Dry Creek Rd. aprroximately 15 mi from Napa 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
  UCD162403  Salpichroa origanifolia Irving Grover 1958-6-9 s.n. Napa Napa. Comment
  HSC43975  Salvia columbariae Robert M. Specht 1977-4-19 687 Napa Along drainage running NE from Adams Creek 518 Comment
  JEPS112635  Salvia columbariae Jake Ruygt 1979-4-14 516 Napa Oat Hill Mine Rd. at Palisades 670 Comment
  SFV8449  Salvia columbariae P. Warner 1967-4-16 44 Napa North Coast Ranges Vaca Mountains. 0.7 miles above (west) of Monticello Dam, Lake Berryessa. 152 Comment
  UC25739  Salvia sonomensis Willis L. Jepson 1893-5-1 Napa w of Calistoga; Napa River Basin Comment
  UCD73452  Salvia sonomensis Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  JEPS106728  Sambucus mexicana Jake Ruygt 1979-5-23 630 Napa Trancas St. bridge at Napa River 6 Comment
  SBBG7384  Sambucus nigra subsp. caerulea H. and M. Dearing 1939-5-3 3668 Napa Rutherford-Sage Cyn Rd Comment
  UC1022487  Sanicula crassicaulis C. Ritchie Bell 1952-3-8 3 X339 Napa about 9 mi e of Pope Valley (on the road to Monticello, along Pope Creek); Pope Creek Comment
  UCD20825  Sanicula crassicaulis N. Nicola 2001-3-30 041 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  UCD73416  Sanicula crassicaulis 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
  UCD127970  Sanicula crassicaulis Joseph M. DiTomaso 1976-5-2 411 Napa 4 miles west of Monticello Dam on Highway 128, Lake Berryessa. Comment
  UCD73417  Sanicula laciniata 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
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Jan 25 2012
  JEPS991  Sanicula laciniata Willis L. Jepson 1893-5-1 14186 Napa Napa River Basin, Upper Napa Valley, Franz Valley Grade Franz Valley Grade; Napa River Basin, Upper Napa Valley, Franz Valley Grade Comment
  JEPS104494  Sanicula tuberosa Jake Ruygt 1979-3-15 456 Napa south of Milliken Canyon, east of east end of Westgate Dr. 176 Comment
  RSA10677  Sanicula tuberosa C. B. Wolf 1928-5-3 s.n. Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC1197076  Sanicula tuberosa J. P. Tracy June 13,1899 - June 17, 1899 411 Napa 3-4 mi e of Angwin's (Head of Moore's Creek, Howell Mountain); Howell Mountain, Moore's Creek 365 Comment
  UCD18024  Sanicula tuberosa Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 570 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
  UCD41472  Sanicula tuberosa Ellen Dean; T. Starbuck, M. Starbuck, J. Bradford and family 2003-2-21 1352 Napa Quail Ridge UC Reserve. South end of Lake Berryessa, first peninsula, west of Monticello Dam. Along Decker Ridge Road, south of junction with South Decker Canyon Road. 365 Comment
  UCR43102  Sanicula tuberosa L. F. LaPre 1986-5-6 s.n. Napa Inner North Coast Ranges, Cedar Creek, 3.5 mi SW of Knoxville & c. 0.5 mi (air) west of Devilhead Road at the junction of the creek & a dirt road 550 Comment
  JEPS968  Sanicula tuberosa Willis L. Jepson 1893-3-13 14193 Napa e of St. Helena (Napa River Basin); Napa River Basin Comment
  JEPS43798  Saxifraga californica Mrs. Mary Van E. Ferguson 1919-4-13 211 Napa near Atlas Comment
  JEPS81600  Saxifraga californica R. Raiche 1982-3-7 20192 Napa 1.3 mi n of Sage Canyon Road (on Chiles and Pope Valley Road) Comment
  RSA0054872  Scandix Keith E. Hoffmaster 1939-4-6 905 Napa Putah can. Comment
  SEINET7063154  Scandix pecten-veneris A. G. Vestal 1963-4-7 s.n. Napa A meadow about 4.3 miles north of Saint Helena at the crossroad from Route 29. UTM Zone 10, 541875mE, 4267249mN. (WGS84/NAD83). 106 Comment
  UC1301114  Scandix pecten-veneris Helen K. Sharsmith 1963-4-20 5354 Napa above Wooden Valley (San Francisco Bay Region, e side of Napa Range, on Monticello Rd); San Francisco Bay Region, Napa Range, Monticello Rd 243 Comment
  RSA195309  Scandix pecten-veneris Gilbert Muth 1967-4-28 654 Napa Spring Mountain Road, St. Helena Comment
  RSA366080  Schoenoplectus robustus J. T. Howell 1932-10-8 10807 Napa Tidal flat at Cuttings Wharf. Comment
  JEPS121368  Scirpus acutus var. occidentalis Jake Ruygt 1988-5-4 2184 Napa .5 miles NE of Flosden Rd. intersection with American Cyn Rd. Comment
  JEPS106749  Scleranthus annuus subsp. annuus Jake Ruygt 1993-5-1 3231 Napa Cedar Creek Rd. at Cedar Creek. 548 Comment
  CAS-BOT-BC516411  Scoliopus bigelovii Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC240024  Scribneria bolanderi Peter H. Raven 1953-5-2 5403 Napa Rector Dam to Foss Valley 396 Comment
  CAS-BOT-BC240025  Scribneria bolanderi Peter H. Raven 1953-4-2 5243 Napa Hills e. of Imola 121 Comment
  UCD169890  Scrophularia californica Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 730 Napa Knoxville Wildlife Area. 311 Comment
  OBI9233  Scrophularia californica R. L. Hoover 1968-4-20 52 Napa Howell Mtn Rd, 2.6 mi NE of State Rts 29/128, on E side of rd Comment
  UCD54560  Scutellaria tuberosa K. Walker; PLB 102 2006-5-13 1 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  JEPS62856  Scutellaria tuberosa Willis L. Jepson 1893-5-9 14939 Napa sw of St. Helena (Napa Valley, Niebaum's Dam); Napa Valley, Niebaum's Dam Comment
  RSA170228  Sedella pumila Joseph P. Tracy 1950-5-23 18657 Napa Near Angwin Creek; Howell Mountain. Comment
  UCD164852  Sedella pumila Jake Ruygt 2012-4-21 5822 Napa Crystal Flats, west of Putah Creek. 222 Comment
  CAS-BOT-BC63832  Sedum spathulifolium Carl B. Wolf 1928-5-3 1837 Napa Base of Mt. St. Helena Comment
  UCR254842  Selaginella wallacei Greg de Nevers 1998-2-16 11137 Napa North Coast Range, Devils [Punchbowl] Falls [Bell Canyon Creek near Angwin] 320 Comment
  RSA183412  Senecio sylvaticus Elden Parchim 1964-4-25 s.n. Napa Summit of Oakvillegrade Road, ca. 4 miles southwest of Oakville. Comment
  UCD19953  Senecio vulgaris E. A. Dean; Virginia Boucher 2002-2-28 894 Napa Quail Ridge Reserve. Along West Rd. 0.7 airline miles N of junction of West Rd. and Decker Canyon Trail. 213 Comment
  CAS-BOT-BC85825  Sequoia sempervirens Peter H. Raven 1964-5-9 19072 Napa Grove along dirt road 2 miles west of Aetna Springs Comment
  CAS-BOT-BC243631  Setaria pumila Peter H. Raven 1952-8-26 5152 Napa Road NE of Buchli Station 30 Comment
  CAS-BOT-BC488333  Sidalcea diploscypha Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca 2 km N of Pope Canyon Rd intersection with Berryessa-Knoxville Rd. 140 Comment
  UC1198396  Sidalcea diploscypha Joseph P. Tracy 1938-6-5 15823 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, head Moore's Creek, Howell Mt. 365 Comment
  UCD160676  Sidalcea diploscypha Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8748 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 178 Comment
  UCD81824  Sidalcea diploscypha Ellen Dean 2009-4-24 5451 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  JEPS122752  Sidalcea hickmanii subsp. napensis Jake Ruygt 2011-6-9 5800 Napa South side of Mt George, Palmaz Vineyards. Quad: Mt. George. Comment
  CHSC83385  Sidalcea keckii L. P. Janeway; B. Castro 2002-5-12 7536 Napa Inner North Coast Ranges. South-facing slope along Pocock Creek above and below the dirt road from Devilhead Road. 503 Comment
  UCD167290  Sidalcea keckii Jake Ruygt 1998-7-11 4084 Napa about 4.7 miles north of first bridge over Berryessa Knoxville road. 292 Comment
  POM118515  Sidalcea malviflora subsp. laciniata Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS106737  Silene antirrhina Jake Ruygt 1996-5-14 3694 Napa White Cliff Springs; Elder Valley; PG+E property to S. 414 Comment
  JEPS106852  Silene californica Jake Ruygt 1980-6-22 942 Napa .1 mile south of Snell Valley Rd. on Butts Canyon Rd. 198 Comment
  SEINET4176068 Image available Silene californica Sally Walker 1981-5-18 Napa 9.9 mi down balts canyon rd South of Middletown Comment
  CAS-BOT-BC384429  Silene coronaria Peter H. Raven 1952-5-26 4032 Napa St. Helena to Howell Mt. 91 Comment
  UC1300951  Silene gallica Helen K. Sharsmith 1963-4-20 5339 Napa southern slopes Mt. Atlas (San Francisco Bay Region); , southern slopes Mt. Atlas 609 Comment
  UCD170584  Silene gallica Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 912 Napa Knoxville Wildlife Area, Zim Zim Creek drainage northwest of Zim Zim Falls. 419 Comment
  CAS-BOT-BC389181  Silene laciniata subsp. californica Joseph P. Tracy 1905-7-5 2208 Napa Northern Coast Ranges. Howell Mountain. On hills at head of Moore's Creek, 3-4 miles East of Angwin's 457 Comment
  JEPS106853  Silene multinervia Jake Ruygt 1997-6-22 3867 Napa Bismark Knob 640 Comment
  JEPS59331  Silybum marianum W. L. Jepson 1936-6-2 17606 Napa banks Napa River (near bridge on road to Sanitarium, St. Helena); banks Napa River, St. Helena Comment
  UCD47952  Sisymbrium officinale M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 7 Napa McLaughlin UC Reserve. SW of old town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 Comment
  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
  UCD138844  Sisyrinchium bellum L. P. Thibault 1995-5-19 43 Napa Highway 128, ca. 1/2 mile W of intersection with Lower Chiles Valley Road and W of Sage Creek. 250 Comment
  UCD48738  Sisyrinchium bellum S. Murphy; K. Keck and K. Dyer 2002-5-5 17 Napa Quail Ridge UC Reserve, northern tip of ridge, along N edge of upper road leading to power lines, NE from intersection of West and East roads ca. 20 m. 328 Comment
  UCD81442  Sisyrinchium bellum M. Wiesendanger 1927-5-4 s.n. Napa Near Monticello. Comment
  UCD138805  Sisyrinchium bellum Alan P. Godlewski 1974-5-3 s.n. Napa on a north slope, west of Lake Berryessa 50 yards from Highway 128. Comment
  UCD16048  Sisyrinchium bellum C. L. Hallock; C. Kennedy, L Condon, N. Strahan, R. Flannery 2000-4-22 22 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, 1.5-3 dm tall, solitary purple flowers with 6 clawed petals. Comment
  UCSB907  Sisyrinchium bellum Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek; about 3 miles east of Chiles Valley Comment
  UCD48199  Solanum parishii Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 8 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  SBBG128014  Solanum rostratum L. Ahart 2009-10-27 16494 Napa below the high water line of Lake Berryessa, ca. 100 yards E of Eticuera Crk,ca. 50 yards S of Eticuera Parking Area at the NE end of the causeway, on the S side of Berryessa Knoxville Rd, ca. 20 mi (air) NW ofWinters 129 Comment
  OBI9134  Solanum umbelliferum R. L. Hoover 1968-4-11 21 Napa 1 block W of hwy 1 on Palm Ave, Marina Comment
  UC565385  Solanum umbelliferum M. Elsie Osgood 1937-4-19 Napa hill 7 mi e of Napa (on the road to Monticello) Comment
  CAS-BOT-BC365099  Solidago velutina subsp. californica L. R. Abrams 1916-7-2 5761 Napa Near St. Helena Sanitarium Comment
  CAS-BOT-BC365098  Solidago velutina subsp. californica L. S. Rose 1927-7-24 s.n. Napa St. Helena Comment
  UCD161737  Solidago velutina subsp. californica Jake Ruygt 1992-7-10 3078 Napa Yountville Ecological Reserve, Yountville Crossroad. 25 Comment
  UCD149677  Soliva sessilis 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
  UCD41328  Sonchus asper Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 3 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, near steam and culvert that goes under road, 0.5 road miles from gate to old town of Knoxville. E side of Knoxville creek. 365 Comment
  CAS-BOT-BC235337  Sorghum halepense James H. Kavanagh 1921-10-1 s.n. Napa Napa Comment
  JEPS106613  Spergularia rubra Jake Ruygt 1993-5-11 3258 Napa Milton Road north of the railroad tracks 0 Comment
  JEPS62962  Stachys ajugoides W. L. Jepson 1894-11-7 14960 Napa Asylum Field Napa Comment
  JEPS62967  Stachys ajugoides var. rigida Willis L. Jepson 1894-5-3 14967 Napa St. Helena Napa River Basin Comment
  JEPS112647  Stachys albens Jake Ruygt 1986-6-28 1851 Napa .4 mile south of Snell Valley Rd. on Butts Canyon Rd. 216 Comment
  UCD166676  Stachys albens Jake Ruygt 1994-6-4 3393 Napa Lewelling Ranch, Sulphur Springs; road to upper meadow. 188 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
  UCD116968  Stellaria media Jillian Howard; 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
  JEPS106612  Stellaria nitens Jake Ruygt 1996-4-10 3575 Napa Soda Spring, White Cliff Springs 396 Comment
  UCD18020  Stellaria nitens Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 565 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
  JEPS129100  Stephanomeria virgata subsp. pleurocarpa Jake Ruygt 2016-5-3 6230 Napa Ridge S of Oil Well Road; E side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCD136457  Stephanomeria virgata subsp. pleurocarpa D. H. Hartmann 1941-9-20 s.n. Napa Putah Canyon. Comment
  JEPS36826  Stephanomeria virgata subsp. virgata Willis L. Jepson 1893-9-24 Napa Near Angwin's; Napa River Basin, Howell Mt. Comment
  JEPS122966  Stipa pulchra Jake Ruygt 1997-3-18 3806 Napa Greenfield Road. Quad: Saint Helena. Comment
  CAS-BOT-BC61254  Streptanthus breweri Peter H. Raven 1952-5-26 4057 Napa 5 miles east Pope Valley P.O. on Monticello Road. 176 Comment
  JEPS129030  Streptanthus breweri Jake Ruygt 2015-6-13 6134 Napa Fernandes-Snell Peak, Land Trust. Aetna Spring 7.5' Quad. Comment
  UCD164229  Streptanthus breweri N. Ivalu Cacho; Sharon Y. Strauss 2013-5-25 IC-SS 306 Napa Hunting Creek. 313 Comment
  UC956513  Streptanthus breweri Freed W. Hoffman 1947-6-18 1046 Napa at bridge over Pope Creek North Coast Ranges, Walter Springs Comment
  UC630647  Streptanthus breweri var. breweri John L. Morrison and Florence L. Morrison 1938-5-25 3000 Napa sw-facing outcrop 0.7 mi w Knoxville (on road to Lower Lake) Comment
  UC956592  Streptanthus breweri var. hesperidis Freed W. Hoffman 1949-5-10 2777 Napa along pipe line 1/4 mi below Conn Dam; North Coast Ranges Comment
  HSC44001  Streptanthus glandulosus Robert M. Specht 1977-4-19 693 Napa Above drainage running NE from Adams Creek. 518 Comment
  HSC81869  Streptanthus glandulosus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5139 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UCD33219  Streptanthus glandulosus Beecher Crampton 1967-5-11 7919 Napa Napa County, 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  CAS-BOT-BC87152  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-19 6453 Napa Conn Valley. Comment
  JEPS106601  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1991-5-18 2681 Napa above Cooksley Lake, Friesen's Lakes 685 Comment
  JEPS84639  Streptanthus glandulosus subsp. glandulosus John W. Willoughby 1977-4-20 2145 Napa w side of ridge below and just to s Mount Vaca; Vaca Mountains, Blue Ridge 457 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
  UC630653  Streptanthus glandulosus subsp. glandulosus John L. Morrison and Florence L. Morrison 1938-4-25 2993 Napa rock outcrop to left of hwy ca 5 mi n Napa Comment
  UCD116005  Streptanthus glandulosus subsp. glandulosus W. M. Grannell 1950-4-27 1 Napa Putah Canyon. 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
  UCD74407  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1986-3-29 1677 Napa Devilshead Rd. area; 'sensitive plant canyon. 420 Comment
  UCSC009035  Streptanthus glandulosus subsp. glandulosus Dylan M. Neubauer 2015-4-26 137 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  JEPS100815  Streptanthus hesperidis Dean Wm. Taylor with Mey Akasah 1999-6-4 17217 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  SEINET11998400  Streptanthus hesperidis Unknown 1986-1 60213 Napa near Middletown, ca 2 mi N on CA 29 305 Comment
  JEPS12886  Symphoricarpos albus var. laevigatus Willis L. Jepson 1893-6-26 Napa hills e St. Helena; Napa River Basin Comment
  UCD137413  Symphoricarpos albus var. laevigatus M. Ensign 1943-5-29 309 Napa 10 miles north of Monticello along Monticello-Lower Lake Road. Comment
  JEPS40827  Symphyotrichum spathulatum W. L. Jepson 1939-9-12 19482 Napa 1 mi w of summit, w side Spring Mountain (w of St. Helena) Comment
  JEPS40868  Symphyotrichum spathulatum Willis L. Jepson 1893-9-28 Napa Lower Napa Valley , Napa River Basin Comment
  CAS-BOT-BC221920  Taeniatherum caput-medusae Peter H. Raven 1951-5-26 2878 Napa Butts Canon [Canyon] 304 Comment
  RSA129898  Taeniatherum caput-medusae P. H. Raven 1951-5-26 2878 Napa Butts Canyon. 305 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
  UCD19337  Taeniatherum caput-medusae M. A. Bibbo; E. Dean 2001-7-6 29 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, just south of powerline, ca. 0.5 air miles from jct of W and E roads, on top of ridge. 259 Comment
  JEPS126111  Tanacetum parthenium Jake Ruygt July, 1979 594 z Napa Trefethen Vineyard near Dry Creek. Napa 7.5' Qua. Comment
  UC1196946  Taraxia ovata Joseph P. Tracy 1933-4-30 12107 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
  UC9704  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-5-1 Napa Upper Conn Valley Napa River Basin Comment
  JEPS55128  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-4-28 Napa grade n Wooden Valley grade; Napa River Basin Comment
  UCD39033  Thermopsis californica var. californica Beecher Crampton 1962-5-16 6419 Napa Chiles Valley, above Sage Creek. Comment
  UCD48029  Thermopsis californica var. californica K. Watts; K. Carpenter, S. Cruz, D. Goldberg, and M. Ochoa 2000-4-28 27 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, next to Old Knoxville Rd. 426 Comment
  JEPS65663  Thermopsis macrophylla W. L. Jepson 1924-4-6 10329 Napa Conn Valley Napa Range Comment
  SEINET7042614  Thermopsis macrophylla A. G. Vestal 1963-5-13 s.n. Napa Conn Valley Road. Saint Helena quadrangle UTM Zone 10, 552079mE, 4262034mN. 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-BC66501  Thysanocarpus curvipes Peter H. Raven 1950-4-15 1748 Napa Wooden Valley Grade, above Napa. 457 Comment
  CAS-BOT-BC66515  Thysanocarpus curvipes Paul F. Covel 1940-4-28 1706 Napa Pac-Union College-Pope Valley Road. Comment
  CAS-BOT-BC66516  Thysanocarpus curvipes Ira L. Wiggins 1928-3-24 2866 Napa Grade on old road to Lake county above Calistoga. Comment
  JEPS106589  Thysanocarpus curvipes Jake Ruygt 1996-4-12 3606 Napa Blue Ridge, north of Monticello Dam. Rockwell Gap area 615 Comment
  JEPS106594  Thysanocarpus curvipes Jake Ruygt 1993-4-12 3201 Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  RSA696362  Thysanocarpus curvipes Keith E. Hoffmaster 1946-3-23 1059 Napa Napa range, along Napa-Monticello road Comment
  UCR212324  Thysanocarpus curvipes Ayzik Solomeshch, Stephen Rae 2007-3-19 s.n. Napa North Coast Range, Northwest of the town of Yountville, along Oakville Grade Road, c. 6 miles west of the intersection with Hwy 29 [onto Dry Creek Road?] Comment
  CAS-BOT-BC66491  Thysanocarpus curvipes John Thomas Howell 1934-3-26 11796 Napa South side of Mount Saint Helena. 4 miles from Calistoga. Comment
  SEINET8727857 Image available Thysanocarpus curvipes Laura Zeller 1965-1 33 Napa Ca. 1/2 mile E of Junction of Pope Valley Road and Butts Canyon Road on Butts Canyon Road. Elevation ca. 700 feet. 213 Comment
  UCR17696  Thysanocarpus curvipes var. elegans E. Turula 1975-3-29 76 Napa Soda Canyon Road, 4.2 mi. east of Silverado Trail 213 Comment
  JEPS54141  Thysanocarpus laciniatus John Thomas Howell 1926-3-20 1693 Napa on road to Myrtledale Hot Springs 1 1/4 mi from Calistoga Comment
  CAS-BOT-BC67314  Thysanocarpus radians Mrs. Clara Hunt 1921-4-1 s.n. Napa Saint Helena. Comment
  CHSC27762  Thysanocarpus radians Ethel Pearson 1978-3-24 3 Napa Ca. 2.8 mi w of junction of State Hwy. 128 with Steele Canyon Rd. on Steele Canyon Rd. 152 Comment
  SEINET7466299 Image available Tonella tenella J. M. Tucker 1957-1 3287 Napa beside Highway 37, .4 mile southwest of junction with road to Monticello Dam and Winters. Comment
  JEPS104489  Torilis arvensis Jake Ruygt 1985-5-8 1596 Napa west of Veteran's Home 167 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
  CDA10874  Torilis nodosa G. F. Hrusa, M. Rejmanek 1993-5-15 10969 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS48375  Torreya californica W. L. Jepson 1924-4-27 10385 Napa Mt. St. Helena at Toll House Mt. St. Helena Comment
  POM125420  Torreya californica Alice Eastwood 1923-5-9 11765 Napa Mount St. Helena Comment
  UCD135177  Torreya californica J. M. Tucker 1954-4-22 2699 Napa Beside Highway 29, east side of Mt. St. Helena, 1 mile north of summit of road. Comment
  CAS-BOT-BC85167  Torreya californica Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5330 Napa Soda Creek, e. of Chiles Valley 137 Comment
  JEPS63929  Toxicodendron diversilobum W. L. Jepson 1913-4-15 5314 Napa Howell Mt. 609 Comment
  JEPS63935  Toxicodendron diversilobum W. L. Jepson 1904-5-28 2427 Napa St. Helena, Spring Mt. Creek (York Creek) Comment
  UC869555  Toxicodendron diversilobum Alice Eastwood 1922-5-4 11256 Napa Calistoga Comment
  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
  UCD169872  Toxicoscordion fontanum Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 807 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 433 Comment
  CAS-BOT-BC220990  Trichostema Jake Ruygt 2004-7-31 4638 Napa Northwest of Buzzard's Roost, north end of Stags Leap 411 Comment
  UCD166640  Trichostema lanceolatum Jake Ruygt 2004-9-4 4660 Napa Pope Valley, 0.4 mi northeast of service station. 216 Comment
  JEPS112639  Trichostema laxum Jake Ruygt 1979-6-9 687 Napa 23.7 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 609 Comment
  UCD63859  Trichostema laxum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  JEPS63139  Trichostema laxum W. L. Jepson 1930-10-17 15698 Napa Butts Canyon N Napa Co. Comment
  UC1299468  Trichostema laxum Freed W. Hoffman 1947-9-12 1369 Napa Butte Canyon near Black Oak Villa North Coast Ranges Comment
  JEPS120349  Trichostema ruygtii Jake Ruygt 2004-8-7 4642 Napa Green Valley Ranch near Solano County line. Mount George 7.5' Quad. Comment
  RSA731088  Trichostema ruygtii Jake Ruygt 2004-7-31 4638 Napa Northwest of Buzzard s Roost, north end of Stags Leap. 412 Comment
  JEPS112610  Trientalis latifolia Jake Ruygt 1991-5-18 2685 Napa Ink Grade 329 Comment
  UC137702  Trifolium albopurpureum C. F. Baker 1903-4-20 2625 Napa Mt. St. Helena, Napa Co. Comment
  UC74964  Trifolium albopurpureum var. dichotomum C. F. Baker 1903-4-19 1983 Napa Calistoga Comment
  UC2043168  Trifolium bifidum Barbara Ertter with Jake Ruygt 1996-4-25 14599 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  CHSC83410  Trifolium bifidum var. decipiens L. P. Janeway; B. Castro 2002-5-12 7535 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  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
  RSA91562  Trifolium bifidum var. decipiens Unspecified 1931-4-2 6093 Napa 10 miles east of Napa on road to Monticello, Napa Range. Comment
  UCD83438  Trifolium bifidum var. decipiens Jake Ruygt 2005-5-6 4815 Napa Newell Canyon Open Space; near Napa/Solano County line. 283 Comment
  JEPS106797  Trifolium campestre Jake Ruygt 1992-5-4 2931 Napa Westwood Hills Park, Browns Valley Rd. Napa 85 Comment
  JEPS106830  Trifolium campestre Jake Ruygt 1996-5-13 3671 Napa Wontrop Wildlife Santuary, Hardin Road, Pope Valley 310 Comment
  JEPS129098  Trifolium ciliolatum Jake Ruygt 2016-4-30 6218 Napa Smitty Ranch, east side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCD108358  Trifolium depauperatum var. amplectens D. C. Finfrock 1950-4-6 21 Napa 14 miles from Monticello, Pope Valley. Comment
  UC16485  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-4-26 Napa La Lomita Comment
  JEPS106827  Trifolium depauperatum var. truncatum Jake Ruygt 1983-4-10 1415 Napa Suisun Creek Trail near HWY 121 242 Comment
  RSA91082  Trifolium depauperatum var. truncatum J. T. Howell 1931-4-4 6172 Napa Upper Napa Valley at Big Geyser Comment
  UCR146185  Trifolium dichotomum Beecher Crampton 1954-4-26 1787 Napa Inner North Coast Ranges, 12 miles east of Rutherford, along Hwy. 128 305 Comment
  JEPS106806  Trifolium fucatum Jake Ruygt 1982-5-8 1228 Napa American Canyon Rd. north side of road 121 Comment
  JEPS65868  Trifolium fucatum Willis L. Jepson 1893-4-25 13721 Napa w St. Helena (trail to Caux's Cabin); Napa River Basin Comment
  UCD149711  Trifolium glomeratum Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  CDA37354  Trifolium hirtum D. G. Kelch 2010-5-6 10 .171 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS129081  Trifolium hydrophilum Jake Ruygt 2016-4-18 6194 y Napa South end Meridian Road, Fairfield. Comment
  UCD164839  Trifolium hydrophilum Jake Ruygt 2012-4-30 5842 Napa Fard property, Tubbs Lane south of Myrtledale, Calistoga. 118 Comment
  RSA121049  Trifolium incarnatum H. C. Cantelow, Ella Dales Cantelow s.n. Napa On Silverado Trail southeast of Rutherford. Comment
  UC16633  Trifolium microcephalum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  JEPS65981  Trifolium microcephalum W. L. Jepson 1938-5-20 18803 Napa above St. Helena Sanitarium (above vineyard of John Ballentine); Howell Mtn Comment
  RSA10698  Trifolium microcephalum Carl B. Wolf 1928-5-3 1789 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  JEPS106712  Trifolium microdon Jake Ruygt 1996-5-4 3646 Napa Butts Canyon Road at James Creek Road; field to SE. 205 Comment
  POM126208  Trifolium microdon C. F. Sonne 1895-04 3102 Napa Napa Junction Comment
  SEINET7040258  Trifolium microdon A. G. Vestal 1963-4-7 s. n. Napa 2.1 miles north of St. Helena on Silverado Trail. St. Helena Quadrangle UTM Zone 10, 544987mE, 4264386mN. Comment
  UCD83419  Trifolium microdon Jake Ruygt 1992-4-29 2915 Napa Johnson's Meadow, Wild Horse Valley Ranch. 420 Comment
  JEPS106713  Trifolium obtusiflorum Jake Ruygt 1990-6-2 2570 Napa Sulphur Canyon 237 Comment
  JEPS4361  Trifolium oliganthum Willis L. Jepson 1893-4-24 13697 Napa e St. Helena (in hills) Comment
  UCD111357  Trifolium olivaceum M. Wiesendanger 1926-4-1 1491 Napa location unknown. Comment
  POM21431  Trifolium olivaceum var. olivaceum A. A. Heller, H. E. Brown, A. H. Heller 1902-4-25 7409 Napa Near Napa Comment
  JEPS126079  Trifolium pratense Jake Ruygt 1986-5-20 1781 Napa Napa Corporate Park (Suscol Plain). Cuttings Warf 7.5' Quad. Comment
  CDA31301  Trifolium subterraneum D. G. Kelch 2010-5-6 10 .186 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD109432  Trifolium variegatum R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  SEINET4206974  Trifolium variegatum Beecher Crampton 1962-5-8 6414 Napa 2 miles north of Calistoga, Myrtledale Hotsprings meadow.; 0 Comment
  JEPS4406  Trifolium variegatum var. melananthum W. L. Jepson 1893-4-24 13708 Napa hills e St. Helena (to Conn Valley Rd); 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
  UC867037  Trifolium variegatum var. variegatum Alice Eastwood 1915-6-5 4638 Napa Calistoga Comment
  RSA10702  Trifolium willdenovii Carl B. Wolf 1928-5-3 1785 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD160013  Trifolium willdenovii James A. Neilson Jr. 1975-4-13 3138 Napa Soda Canyon Road. (Exact location unknown. Elevation and coordinates estimated by label maker.) 457 Comment
  UCD109882  Trifolium willdenovii R. L. Smith 1948-5-1 s.n. Napa Northern part of county, Monticello Valley. Comment
  UCD19868  Trifolium willdenovii C. H. Lamoureux; J. M. Tucker, J. McCaskill and others 1957-4-7 1197 Napa 3 miles southeast of Calistoga, along Silverado Trail. Comment
  CAS-BOT-BC451902  Triglochin maritima Peter H. Raven 1952-8-26 5143 Napa Nr. Bentley Wharf 15 Comment
  CAS-BOT-BC451905  Triglochin maritima John Thomas Howell 1932-10-8 10810 Napa At Cuttings Wharf on Napa River Comment
  UCD166662  Triglochin maritima Jake Ruygt 1988-3-18 2126 Napa Fagan's Marsh. 1 Comment
  JEPS47269  Trillium albidum Willis L. Jepson 1893-5-8 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain 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
  SEINET3991301  Trillium chloropetalum Unknown 1950-4-15 1734 Napa Shaded canyon in chaparell, Monticello Road (Wooden Valley "illegible word") above Napa 305 Comment
  CAS-BOT-BC521017  Trillium chloropetalum var. giganteum Clara Hunt 1921-4-1 s. n. Napa St. Helena Comment
  JEPS113980  Trillium ovatum subsp. ovatum Jake Ruygt 1997-3-23 3816 Napa Devil's Canyon, about 1/2 mile upstream Taylor picnic area. Sonoma 7.5' Quad. Comment
  UC673458  Triphysaria pusilla A. E. Borell 1928-4-13 131 Napa ten mi se Petaluma Comment
  CDA11337  Triphysaria versicolor subsp. faucibarbata G. F. Hrusa 1995-4-2 12047 Napa North Coast Biodiversity Arena; SE corner of Chiles-Pope Valley Rd. and Hwy 128, upper end of Hennessey Res. Comment
  UCD123416  Triphysaria versicolor subsp. faucibarbata Gerald D. Carr; R. F. Denno 1971-5-13 546 Napa 1.5 miles northwest of Pope Valley on Pope Valley Road. Comment
  UCD83859  Triphysaria versicolor subsp. faucibarbata Ellen Dean; Stephen Rae 2010-3-15 5817 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property. Near entrance to property. 145 Comment
  UC1334878  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-15 392 Napa on Silvarado trail 5 mi n Napa; on Silverado Trail Comment
  UCD123417  Triphysaria versicolor subsp. faucibarbata Beecher Crampton 1950-5-7 570 Napa south of Yountsville, Napa Valley. 45 Comment
  JEPS110913  Triteleia laxa Jake Ruygt 1981-5-27 1044 Napa American Canyon, .3 mile east of Flosden Rd. 91 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
  UCD139378  Triteleia laxa J. Buck 1996-6-2 26 Napa along Highway 128 at intersection of Berryessa Knoxville Road. 48 Comment
  CAS-BOT-BC526509  Triteleia laxa David D. Keck 1933-5-29 2367 Napa Pope Creek bridge south of Walters Springs. Comment
  JEPS110928  Triteleia laxa Jake Ruygt 2003-5-5 4521 Napa Berryessa-Knoxville Road about 1 mi S of Toll Canyon trail 182 Comment
  UCD148740  Triteleia peduncularis Jake Ruygt 1980-6-7 925 Napa Napa County; 2.5 miles south of Berryessa Knoxville Rd. on Devilhead Rd. 432 Comment
  UCD167447  Triteleia peduncularis James A. Neilson Jr. 1979-5-25 3972 Napa 1/4 mi south old Knoxville store. (Neilson's notebook says 200 yards south of Knoxville Store, while notes on specimen say 1/4 mile south of old Knoxville store. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC91202  Umbellularia californica Elsa G. Ruckert 1960-2-27 7 Napa 6495 Dry Creek Road. 365 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
  JEPS40120  Umbellularia californica W. L. Jepson 1894-10-13 Napa St. Helena Comment
  POM202744  Umbellularia californica I. L. Wiggins 1932-3-12 5754 Napa Bank of N Fork of Napa River, 1 mile N of Calistoga. Comment
  UCD162094  Umbellularia californica Dylan O. Burge 2014-3-15 1491 Napa Mount Saint Helena. Comment
  CAS-BOT-BC404187  Urtica dioica subsp. holosericea Dennis W. Woodland 1969-8-6 1313 Napa About 100 yards east of bridge a junction of Petrefied [Petrified] Forest Road and highway 128 1 mile north of Calistora [Calistoga] 68 Comment
  JEPS43440  Urtica dioica subsp. holosericea W. L. Jepson 1894-11-7 Napa below Napa City Comment
  JEPS16839  Veronica americana Willis L. Jepson 1893-6-26 21322 Napa Angwins Meadow, Napa River Basin, Howell Mountain Angwins Meadow; Napa River Basin, Howell Mountain, Angwins Meadow 792 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
  UC162844  Vicia hassei Joseph P. Tracy 1904-5-23 2097 Napa hills e Calistoga; Northern Coast Ranges 243 Comment
  SEINET7042697  Vicia sativa A. G. Vestal 1941-5-11 s.n. Napa Along Southern Pacific Rail Road 1 mile south of Saint Helena. Rutherford quadrangle UTM Zone 10, 548193mE, 4259900mN. Comment
  UCD49040  Vicia sativa subsp. nigra L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 4 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the East side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  UCD83431  Vicia sativa subsp. nigra Jake Ruygt 1986-5-29 1797 Napa Mt. George. 307 Comment
  UCD170735  Vicia villosa 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 135 Comment
  UCD109154  Vicia villosa subsp. varia M. Sidells 1996-6-1 29 Napa On northeast side of Knoxville Road on southwest side of Lake Berryessa. 280 Comment
  UCD16041  Vicia villosa subsp. varia R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 25 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. West of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown, clay, moist soil, east facing slope. Herb, 3-4.5 dm, flws. purple. Comment
  UC2043154  Vicia villosa subsp. villosa Barbara Ertter with Jake Ruygt 1996-4-25 14602 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  JEPS110807  Viola douglasii Jake Ruygt 1991-4-20 2632 Napa Mead Ranch, Atlas Peak Rd. 469 Comment
  UCD48237  Viola douglasii A. Ryan; S. Burgess, A. Hufton, J. Pierner, and B. Takahashi 2000-4-29 19 Napa McLaughlin Reserve, Southwest side of Hunting Creek, on east-facing slope of 'Research Hill'. 655 Comment
  CDA11438  Viola glabella G. F. Hrusa, M. Tu 1995-5-6 12161 Napa North Coast Biodiversity Arena; Summit of Howell Mtn. in Las Posadas State Forest, vicinity of fire station. Comment
  CAS-BOT-BC537068  Viola lobata Peter H. Raven 1952-5-26 4046 Napa Howell Mt. 426 Comment
  CAS-BOT-BC537073  Viola lobata A. A. Heller 1924-4-12 13842 Napa About 5 miles S of Calistoga Comment
  CAS-BOT-BC537081  Viola lobata Carl B. Wolf 1928-5-4 1863 Napa Mt. St. Helena Comment
  UC650290  Viola lobata subsp. integrifolia Robert W. Storer 1941-3-23 24 Napa Las Posadas Camp; Howell Mountain, Las Posadas Camp Comment
  UCD111065  Viola pedunculata J. D. Clark 1995-5-27 20 Napa Napa County. Collected on trail between 1/4-3/4 mile from trailhead at Highway 129. Trailhead begins on the E side of Highway 129 across from the Robert Lewis Stevenson State Park parking lot. 548 Comment
  UC1713553  Viola pedunculata Willis L. Jepson 1893-4-28 Napa n of Mount George (Upland Meadows); Napa River Basin, Upland Meadows Comment
  UCD170298  Viola purpurea Daniel Potter; Ninh Khuu, Kai Battenberg 2016-3-15 838 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 601 Comment
  POM135384  Viola purpurea C. F. Baker 1903-5-6 3082 Napa Knoxville. Comment
  UC1762302  Viola purpurea subsp. quercetorum Helen Von Grafen 1927-4-23 Napa Mt. St. Helena Comment
  JEPS40253  Vitis californica Willis L. Jepson 1901-8-6 1738 a Napa St. Helena Napa River Basin Comment
  JEPS40259  Vitis californica W. L. Jepson 1936-6-2 17604 Napa banks of river near bridge on road to Sanitarium; Napa River, St. Helena Comment
  UCD16231  Vitis californica H. Olmo; G. Ishizuka 1967-10-14 67 07 Napa California. Napa County: at northwest corner of bridge. Along Silverado Trail? Comment
  UCD17552  Vitis californica H. Olmo 1934-1 s.n. Napa Near old mill in St. Helena. Comment
  UCD120914  Vulpia bromoides Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7335 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  UCD18096  Vulpia bromoides Ellen Dean; with PLB 102 class 2000-4-29 752 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
  POM259286  Vulpia eastwoodiae J. T. Howell 1939-4-30 14624 Napa Walter Springs. Comment
  UCD48417  Vulpia microstachys A. Van Houtte; E. Leger, C. Hohn 2001-4-14 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam; rim of stock pond on the W side of S. Decker Canyon Rd., upslope of ruined cabin. 152 Comment
  CAS-BOT-BC183198  Vulpia microstachys var. ciliata Peter H. Raven 1951-8-21 3863 Napa Ridge SE of Mt. Veeder 670 Comment
  CAS-BOT-BC183199  Vulpia microstachys var. ciliata John Thomas Howell 1939-4-30 14624 Napa Walter Springs Comment
  UC1023604  Vulpia microstachys var. ciliata unknown 1936-1 203 Napa Knoxville Comment
  UC710537  Vulpia microstachys var. ciliata John Thomas Howell 1943-6-20 18238 Napa hills sw St. Helena Comment
  UCD93814  Vulpia microstachys var. ciliata Beecher Crampton 1957-4-22 3943 Napa north of Capell Valley, State Highway 128, along Capell Creek. Comment
  CAS-BOT-BC183736  Vulpia microstachys var. confusa J. P. Tracy 1902-5-15 1479 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles East of Angwin's 365 Comment
  CAS-BOT-BC184007  Vulpia microstachys var. microstachys John Thomas Howell 1939-4-30 14623 Napa Walter Springs Comment
  SACT002517  Vulpia microstachys var. pauciflora John Willoughby 1977-4-27 Napa Along State Highway 128 near Monticello Dam north-facing, rocky slope on south side of highway. Comment
  UC1158109  Vulpia microstachys var. pauciflora Joseph P. Tracy 1950-5-23 18678 Napa 3 to 4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mt); Northern Coast Ranges, Las Posadas State Park, Howell Mt. 365 Comment
  UC525657  Vulpia microstachys var. pauciflora Joseph P. Tracy 1933-6-2 12474 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain, Moore's Creek 396 Comment
  UCD94570  Vulpia microstachys var. pauciflora Holiday Matchett 1963-5-15 90 Napa Cedar Valley from Devilhead Road, ca. 20 miles northwest of north rim of Lake Berryessa. 365 Comment
  UCD94592  Vulpia microstachys var. pauciflora J. Street 1950-4-24 s.n. Napa 3 miles south of Monticello. Comment
  UC73774  Vulpia myuros var. hirsuta J. Burtt Davy 1902-4-11 Napa St. Helena Comment
  CAS-BOT-BC128844  Whipplea modesta L. R. Abrams 1928-5-4 12278 Napa Mt. St. Helena toll house. Comment
  UC1078196  Whipplea modesta Reino Alava 1957-5-5 746 Napa Mt. St. Helena; rocky hillside Comment
  JEPS32091  Wyethia W. L. Jepson 1938-5-24 18846 Napa plateau n Four Corners; Napa Range, Howell Mt. 762 Comment
  CAS-BOT-BC383018  Wyethia angustifolia Marcus E. Jones 1924-4-24 s.n. Napa Napa Comment
  CAS-BOT-BC383019  Wyethia angustifolia Marcus E. Jones 1924-4-24 s.n. Napa Napa Comment
  CDA8985  Wyethia angustifolia A. C. Browne 1953-5-27 Napa St. Helena 0 Comment
  SBBG36557  Wyethia glabra H. and M. Dearing 1939-4-30 3238 Napa Saint Helena Comment
  UCD38859  Xanthium spinosum Beecher Crampton 1962-10-9 6696 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  CAS-BOT-BC383741  Xanthium strumarium Peter H. Raven 1951-10-28 3937 Napa Strand at w. end of Conn Lake 152 Comment
  CAS-BOT-BC527066  Xerophyllum tenax D. O. Hunt 1926-4-28 s.n. Napa Gray Gables, St. Helena Comment
  RSA51323  Yabea microcarpa P. H. Raven 1950-5-6 2012 Napa Above place where the W branch of the Napa River meets Rte 29 ca. 1 mile N of Calistoga. 91 Comment
  JEPS129038  Zeltnera muehlenbergii Jake Ruygt 2016-5-28 6264 Napa Smitty Ranch, east side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCD164824  Zeltnera trichantha Jake Ruygt 2012-9-15 5877 Napa South of Spanish Valley. 347 Comment
  CAS-BOT-BC527100  Zigadenus Paul F. Covel 1940-4-28 1714 Napa CCC-Las Posadas Camp-Howell Mt. near Pacific Union College Comment
  SEINET215153  Zigadenus fremontii David C. Fruchtenicht 1965-3-19 6 Napa Dollarhide Road, 3.5 miles east of Pope Valley. 305 Comment
  JEPS62304  Zigadenus micranthus var. micranthus W. L. Jepson 1938-5-22 18823 Napa Snell Valley Comment
  UC527963  Zigadenus micranthus var. micranthus R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6685 Napa 10 mi n Howell Mountain (Butt's Canyon); Butt's Canyon Comment
  JEPS62305  Zigadenus paniculatus Rachael Wilcox 1944-5-9 Napa Conn Valley Comment



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