Search Results — 2000 specimen records retrieved (1472 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
  UCD54553  Acacia baileyana Ellen Dean 2005-10-12 2741 Napa W of town of Napa. N side of Partrick Rd. 1660 Partrick Rd. 236 Comment
  CAS-BOT-BC331520  Acer macrophyllum Ira L. Wiggins 1928-3-25 2886 Napa 1.5 mi. NE of Calistoga Comment
  SEINET2043780 Image available Acer macrophyllum Royal D. Suttkus 1967-6-26 673021 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  SEINET4326871 Image available Acer macrophyllum Unknown 1967-6-26 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  CAS-BOT-BC28692  Achillea millefolium P. H. Raven 1950-6-20 2357 Napa Napa Range, between Cona Valley and Howell Mountain 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
  CAS-BOT-BC29757  Achyrachaena mollis David D. Keck 1931-4-3 1058 Napa 7 miles NW of monticello (1 mile above the mouth of Pope Creek) Comment
  UCD47970  Acmispon brachycarpus M. Carson; A. Haselby, J. Howard, P. Mayers 2000-4-29 5 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  UCD35291  Acmispon brachycarpus Beecher Crampton 1955-4-7 2433 Napa Napa County; 7.8 miles north of Monticello. Comment
  UCD104336  Acmispon parviflorus R. Tofsrud 1951-5-20 s.n. Napa 4 miles W of Oakville. Comment
  UCD104346  Acmispon parviflorus M. Wiesendanger 1927-5-4 695 Napa Monticello-Napa Rd. Comment
  UCD95900  Acmispon parviflorus Ellen Dean; with Clare Loughran 2011-5-20 7044 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  UCD104516  Acmispon wrangelianus Robert E. Preston 1988-4-10 584 Napa 0.3 mi SE of the confluence of Putah and Hunting Creeks, on w-facing slope. 243 Comment
  SEINET3077393 Image available Adenostoma fasciculatum Royal D. Suttkus 1967-6-26 67- 30 -38 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UC12016  Adenostoma fasciculatum Edw. L. Greene 1891-7-10 Napa St. Helena Comment
  CAS-BOT-BC68994  Adiantum aleuticum Peter H. Raven 1957-5-5 10769 Napa Hills at western edge of Calistoga 182 Comment
  UCD164818  Adiantum aleuticum Jake Ruygt 2013-5-18 5907 Napa Las Posadas State Forest. 367 Comment
  SEINET3124749 Image available Adiantum jordanii Royal D. Suttkus 1967-6-26 67- 30 -33 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UCD137227  Adiantum jordanii M. Sidells 1996-4-13 8 Napa Lake Bereyessa. 280 Comment
  UCD137192  Adiantum jordanii D. H. Hartmann 1942-3-7 s.n. Napa in Green Valley. Comment
  UCD20431  Aegilops triuncialis E. Dean; w/ PLB 102 class 2002-5-4 1019 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 upper road leading to powerlines, steep, N-facing slope. 286 Comment
  SD33877  Aesculus californica Marion Ownbey, Ruth P. Ownbey 1938-7-9 1701 Napa 6.0 miles northeast of Napa. Comment
  CAS-BOT-BC29641  Agoseris grandiflora var. grandiflora Alice Eastwood; J. T. Howell 1938-5-15 5523 Napa Mt .St. Helena, south side Comment
  UC1301062  Agoseris grandiflora var. grandiflora Helen K. Sharsmith 1962-6-3 5104 Napa Napa-Soda Springs Rd. San Francisco Bay Region 152 Comment
  UC604626  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1938-6-6 15842 Napa bewteen Yountville and Napa City; Napa Valley 30 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
  CAS-BOT-BC127141  Agrostis exarata Betty H. Johnson 1958-6-20 648 Napa Near Mt. Mill House, 6.4 miles southwest of Middletown. Comment
  SEINET10843464  Agrostis foliosa Joseph P. Tracy 1905-7-5 Tracy 2210 Napa Howell Mountain, on hills at head of Moore's creek, 3.4 miles E of Angwin's. Comment
  CAS-BOT-BC139521  Agrostis hallii Peter H. Raven 1952-5-31 4102 Napa 1.5 mile east of Yountville. 30 Comment
  CAS-BOT-BC138818  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Northern Coast Ranges. Calistoga Hot Springs. 91 Comment
  SEINET238872  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Napa County 2 miles north of Calistoga Myrtledale Hot Springs. Comment
  UC187236  Agrostis microphylla J. P. Tracy 1902-5-21 1613 1/2 Napa 3-4 mi e Angwin's (head Moore's Creek, Howell Mountain); Howell Mountain, head Moore's Creek 518 Comment
  UCR146401  Agrostis microphylla Beecher Crampton 1954-6-25 2012 Napa Napa Valley, 3 miles south of Calistoga 99 Comment
  CAS-BOT-BC139018  Agrostis pallens Joseph P. Tracy 1905-7-5 2210 Napa Northern Coast Ranges. Howell Mountain. On hills at head of Moore's Creek, 3-4 miles east of Angwin's. 365 Comment
  JEPS71141  Agrostis pallens W. L. Jepson 1936-7-3 17636 Napa Four Corners Napa Range, Howell Mt. Comment
  UCD36949  Agrostis pallens Beecher Crampton 1956-5-25 3479 Napa Eastern slope of Howell Mountains, above Wooden Valley. Comment
  JEPS20271  Ailanthus altissima Alice King Jul 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  HSC8860  Aira caryophyllea C. B. Wolf 1928-5-3 1809 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  RSA92784  Alisma triviale Peter H. Raven 1950-7-4 2470 Napa Along railroad, Yountville. Comment
  JEPS47554  Allium amplectens W. L. Jepson 1938-6-8 18904 Napa Butts Canyon Comment
  SEINET3883772  Allium amplectens D. W. McNeal 1977-5-18 2032 Napa Beside Pope Valley Rd. 6.1 mi. n. of the jct. of Hwy. #128.; 0 Comment
  JEPS110940  Allium bolanderi var. bolanderi Jake Ruygt 1987-5-7 1750 Napa Buckeye Trail, Skyline Park, Napa 256 Comment
  JEPS110938  Allium falcifolium Jake Ruygt 1979-4-23 544 Napa 2.3 miles east of Silverado Trail on HWY 128 106 Comment
  UC3081  Allium falcifolium Willis L. Jepson 1894-5-1 Napa Upper Conn Valley Comment
  UCD48253  Allium falcifolium Michele Disney; J. Westbrook,S. Ratay,R. Wolfson,A. Houser,S. Wathen 2000-4-22 30 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles sout of Berryessa-Knoxville Rd. 533 Comment
  UCD48254  Allium falcifolium K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 4 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd. 545 Comment
  UCD48255  Allium falcifolium A. Laffin; A. Randall, S. Holck 2002-4-13 3 Napa Napa Co, McLaughlin UC Reserve. North of Knoxville-Berryessa Road. Ca. 0.5 airline mile WSW of old town Knoxville. Volcanic rocky outcrop, ca. 100 yards upslope of road. 437 Comment
  CAS-BOT-BC469024  Allium falcifolium M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  SEINET12049806  Allium falcifolium F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -328 Napa along Butts Canyon Road near junction with Snell Valley Road, along Butts Creek 250 Comment
  SEINET5502060 Image available Allium falcifolium Sally Walker 1982-1 s.n. Napa 9.9 mi S. of Middletown Lake Co Comment
  SEINET8122132  Allium falcifolium M. J. Williams 1967-5-7 s.n. Napa Butts Canyon. 244 Comment
  UCD48742  Allium serra K. Mogel; B. Pekin and M. Higley 2002-5-4 11 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 900 ft. along the lower road that leads to the power lines; immediately downslope of road. 304 Comment
  UCD48746  Allium serra Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along Decker Ridge Rd. just S of jct with S. Decker Canyon Rd. 365 Comment
  CAS-BOT-BC475563  Allium serra Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5341 Napa North side of Pope Creek between Samuels Springs and Walters Springs. 243 Comment
  CHSC59622  Allium serratum J. M. Tucker 1997-4-24 4391 Napa Ca. 1/3 mile west of road, Berryessa-Knoxville Road, 15.9 miles (by road) north of junction with Pope Canyon Road (2 miles southeast of Knoxville Mine). 365 Comment
  RSA123585  Allium unifolium Milo S. Baker 1931-4-19 5421 Napa Along highway in Coun. Valley. Comment
  UCD167206  Allophyllum divaricatum Jake Ruygt 1979-5-16 600 Napa 5.8 miles east of Monticello Road on Highway 128. 304 Comment
  UCD167208  Allophyllum divaricatum Jake Ruygt 1998-4-18 3924 Napa Blue Ridge about 1.5 mile north of Mays Flat. 731 Comment
  JEPS54296  Amaranthus californicus W. L. Jepson 1930-10-19 15683 Napa Conn Creek Napa Valley 45 Comment
  POM226226  Amaranthus powellii J. T. Howell 1933-9-17 11667 Napa North of Vallejo Comment
  JEPS54322  Amaranthus retroflexus W. L. Jepson 1894-11-5 Napa St. Helena Comment
  UCD112864  Amelanchier alnifolia K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  JEPS110658  Amelanchier utahensis Jake Ruygt 1989-4-22 2260 Napa 2.5 miles NE of Atlas Peak Rd. on Monticello Rd. 307 Comment
  UCD144337  Amelanchier utahensis George F. Hrusa 1989-4-24 5931 Napa edge of Pope Creek where Pope Creek Road cross creek. 175 Comment
  CAS-BOT-BC177207  Amorpha californica var. napensis Alice Eastwood 1923-5-9 11743 Napa Calistoga Comment
  CAS-BOT-BC177209  Amorpha californica var. napensis C. H. M. 1907-7-10 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC177210  Amorpha californica var. napensis Peter H. Raven 1951-8-19 3845 Napa Near Lokoya 487 Comment
  JEPS106984  Amorpha californica var. napensis Gordon E. McBride 2001-5-10 s. n. Napa on both sides of Dry Creek Road about 100 yds E of the interection with Wall Road, about five mi W of Oakville (just N of Yountville) Comment
  UC1084556  Amsinckia intermedia Peter M. Ray 1952-5-25 2292 Napa 3 mi s Pope Valley (bridge over Sage Creek, e of junction with Pope Valley-Rutherford (via Conn Dam) road on road to Monticello) Comment
  UCD18086  Amsinckia intermedia Ellen Dean; with PLB 102 class 2000-4-22 642 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
  JEPS20860  Amsinckia intermedia W. L. Jepson 1915-4-23 6253 Napa Coun Valley; Napa Range, Coun Valley Comment
  JEPS61120  Amsinckia intermedia Willis L. Jepson 1893-1 21081 Napa Angivins Meadows; Napa River Basin, Howell Mountain, Napa Range Comment
  UCD70458  Amsinckia intermedia M. Thibodeau 1995-4-15 10 Napa W. of city of Winters, along hwy 128. Quail Ridge Reserve; 70m E of main cabin. 274 Comment
  JEPS105674  Amsinckia lunaris L. P. Janeway, B. Castro 2002-5-12 7531 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road 506 Comment
  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
  UCD170158  Amsinckia menziesii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 780 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 445 Comment
  UCD161576  Amsinckia menziesii Jake Ruygt 2007-3-29 5128 Napa Rector Creek, west of State Lane (Caymus Avenue). 42 Comment
  UCD170199  Anagallis arvensis Daniel Potter 2015-3-14 758 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 358 Comment
  UCD19934  Anagallis arvensis E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 792 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  CAS-BOT-BC64139  Ancistrocarphus filagineus Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5326 Napa Soda Creek, e. of Chiles Valley 182 Comment
  CDA11896  Ancistrocarphus filagineus G. F. Hrusa, G. L. Stebbins 1994-4-8 11723 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs Resort. Comment
  UC165850  Ancistrocarphus filagineus J. P. Tracy 1902-5-17 1513 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  UCD18094  Ancistrocarphus filagineus Ellen Dean; with PLB 102 class 2000-4-29 750 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-BC272868  Ancistrocarphus filagineus J. M. Tucker 1977-4-24 4390 Napa Up jeep track ca. 1/3 mile west of road, Berryessa - Knoxville Road, 15.9 miles (by road) north of junction with Pope Canyon Road (2 miles southeast of Knoxville Mine) 365 Comment
  UCD69016  Ancistrocarphus filagineus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  JEPS14086  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  JEPS14088  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  UCD151214  Angelica tomentosa Jake Ruygt 1999-7-28 4213 Napa Sage Canyon Rd. near Conn Dam. 79 Comment
  CAS-BOT-BC273165  Anisocarpus madioides L. R. Abrams 1928-5-3 12203 Napa St. Helena Grade Comment
  UCD168539  Anthriscus caucalis Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD127197  Anthriscus caucalis Joseph M. DiTomaso 1976-4-10 412 Napa on Highway 128, 4 miles west of Monticello Dam at Lake Berryessa. Comment
  UC157399  Antirrhinum cornutum Katharine Brandegee 1911-6-29 Napa Butts Canyon Comment
  JEPS110620  Antirrhinum kelloggii Jake Ruygt 1980-5-13 881 Napa 3.0 miles south of Oakville Grade on Dry Creek Rd. 152 Comment
  JEPS127863  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Adam C. Schneider with Dick O'Donnell 2013-5-26 201 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road. Comment
  POM215774  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum D. D. Keck 1933-7-1 2465 Napa Butts Creek Canyon, ca. 5 miles northeast of Aetna Springs. Comment
  JEPS5345  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Willis L. Jepson 1894-7-19 21307 Napa Calistoga; Napa River Basin, Upper Napa Valley 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
  CAS-BOT-BC248849  Antirrhinum virga Arno H. Wilson 1920-6-26 s.n. Napa Atlas Comment
  JEPS5286  Antirrhinum virga Willis L. Jepson 1893-6-26 21298 Napa Howell Mt. Napa River Basin (above Toland House) Comment
  UC726147  Antirrhinum virga A. A. Heller 1940-6-13 15741 Napa w side Mt. St. Helena (along the road to the summit below the first turn toward the e side) Comment
  UCD47828  Apiastrum angustifolium M. Carson; A. Haselby, S. Howard, P. Mayers 2000-4-29 3 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  JEPS16056  Apiastrum angustifolium W. L. Jepson 1896-6-2 14208 Napa Napa Range, Conn Valley Conn Valley; Napa Range, Conn Valley Comment
  JEPS104560  Apocynum androsaemifolium Jake Ruygt 1992-5-7 2940 Napa south of Leoma Lakes, Wild Horse Valley 414 Comment
  UC914258  Apocynum androsaemifolium Verne Grant and Alva Grant 1946-5-26 7629 Napa s.e. slope of Mt. St. Helena Comment
  POM161353  Apocynum androsaemifolium subsp. pumilum Rimo Bacigalupi 1928-6-20 s.n. Napa Napa County: Howell Mt, 10 miles W of St Helena Comment
  JEPS49812  Apocynum cannabinum E. M. Zeile 1924-8-5 Napa corner of old orchard near Aetna Springs Aetna Springs Comment
  UC162866  Aquilegia eximia Joseph P. Tracy 1905-7-6 2222 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt. 365 Comment
  UCD95543  Aquilegia formosa R. H. Miller 1949-5-8 46 Napa Beside Highway 37, about 10 miles northeast of Napa. Comment
  JEPS53030  Arabis glabra Willis L. Jepson 1893-4-24 32 c Napa hills e St. Helena (to Conn Valley grade); Napa River Basin Comment
  UCD21551  Arabis modesta A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 5 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek. 313 Comment
  RSA470442  Aralia californica B. C. Templeton 1957-6-26 s.n. Napa Near Hill and Connors anches, Calistoga Comment
  CAS-BOT-BC128664  Arbutus menziesii Peter H. Raven 1964-5-9 19059 Napa Edge of redwood gorve along dirt road 2 miles west of Aetna Springs Comment
  UCD20033  Arbutus menziesii C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1205 Napa 8 miles north of Calistoga on Hwy 29, 1.2 miles north of crest of Hwy 29 on Mt. St. Helena. Comment
  CAS-BOT-BC410145  Arceuthobium occidentale John Thomas Howell 1930-10-19 5618 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown Comment
  CDA37815  Arctium lappa S. Longo/J. Chang 2012-6-26 PDR# 280 P06089864 Napa Napa; 3200 Soda Canyon Road, near Loma Vista Dr. 0 Comment
  UC549538  Arctostaphylos J. E. Adams 1933-4-4 Napa Mt. St. Helena Comment
  JEPS116548  Arctostaphylos canescens Jake Ruygt 2006-3-14 4958 Napa Monticello Road about 0.1 mile east of Leoma Lakes Road. Mount George 7.5' Quad. Comment
  JEPS38625  Arctostaphylos canescens Willis L. Jepson 1893-9-23 14701 Napa summit of mt. Napa River Basin, Mt. St. Helena Comment
  JEPS38632  Arctostaphylos canescens Willis L. Jepson 1893-4-25 14698 Napa highest ridges near Caux's Knob; Napa River Basin Comment
  CAS-BOT-BC23976  Arctostaphylos canescens subsp. canescens Gary D. Wallace 1974-12-23 1346 Napa SE of Mt. St. Helena along Hwy 29, just N of robert Louis Stevenson St. Pk. 609 Comment
  CAS-BOT-BC23980  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11115 Napa Mt. St. Helena Comment
  CAS-BOT-BC23982  Arctostaphylos canescens subsp. canescens Alice Eastwood 1918-9-3 7943 Napa Mt. St. Helena Comment
  CAS-BOT-BC23983  Arctostaphylos canescens subsp. canescens Alice Eastwood 1915-6-7 4697 Napa Mt. St. Helena Comment
  CAS-BOT-BC23984  Arctostaphylos canescens subsp. canescens Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC23985  Arctostaphylos canescens subsp. canescens Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC23990  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12268 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC23993  Arctostaphylos canescens subsp. canescens R. Bacigalupi 1926-1-2 1272 Napa Mt. St. Helena, just above toll house. 883 Comment
  CAS-BOT-BC23995  Arctostaphylos canescens subsp. canescens Katharine Brandegee May 18. s.n. Napa Mt. St. Helena Comment
  CDA11262  Arctostaphylos canescens subsp. canescens G. F. Hrusa, G. L. Webster, J. M. Tucker 1994-10-29 11917 Napa North Coast Biodiversity Arena; Mt. George Napa Land Trust Reserve. Comment
  POM125382  Arctostaphylos canescens subsp. canescens Alice Eastwood 1923-5-9 11758 Napa Mount St. Helena Comment
  POM367245  Arctostaphylos canescens subsp. canescens C. B. Wolf 1928-2-25 1502 Napa Mt. St. Helena grade. 549 Comment
  UCD148754  Arctostaphylos canescens subsp. sonomensis Jake Ruygt 2010-3-27 5489 Napa Napa County; Archer Taylor Preserve, south of Bismark Knob. 630 Comment
  JEPS120407  Arctostaphylos canescens subsp. sonomensis Jake Ruygt 2010-4-7 5498 Napa Archer Taylor Preserve, east slope of Bismark Knob above Devil's Well. Comment
  UCD51055  Arctostaphylos glandulosa Heidi E. M. Dobson 1978-4-8 317 Napa East slope of Mt. Veeder. Comment
  UCR23644  Arctostaphylos glandulosa John C. Roos 1939-4-16 276 Napa North Coast Range, Pacific Union College, Angwin, [Pope Valley] 240 Comment
  CAS-BOT-BC24867  Arctostaphylos glandulosa subsp. cushingiana Peter H. Raven 1952-8-27 5156 Napa Fire trail below Lokoya. 396 Comment
  SBBG32425  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 mi SW of Angwin 243 Comment
  SBBG33965  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 mi SW of Angwin 243 Comment
  JEPS106417  Arctostaphylos glandulosa subsp. glandulosa Jake Ruygt 1981-4-12 974 Napa Grassy Hill near Palisades 670 Comment
  POM180779  Arctostaphylos glandulosa subsp. glandulosa J. T. Howell 1930-7-13 5351 Napa On the edge of the Crater Country' Comment
  RSA181908  Arctostaphylos glandulosa subsp. glandulosa W. L. Jepson 1936-12-7 17994 Napa Four Corners, Howell Mt. Comment
  UC1137482  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1934-2-24 364 Napa Spring Mountain Calistoga Quadrangle Comment
  UC421585  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-3-23 4562 Napa near Mt. St. Helena Comment
  RSA787606  Arctostaphylos manzanita Keith E. Hoffmaster 1946-3-23 1065 Napa Napa range, along Napa-Monticello road Comment
  UCD170146  Arctostaphylos manzanita Daniel Potter; Daniel Potter, Ninh Khuu, Travis Parker 2015-3-7 738 Napa East side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 347 Comment
  UCSB22860  Arctostaphylos manzanita McMinn, H. 1936-4-4 Napa Howell Mt. Comment
  RSA7411  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena Comment
  CAS-BOT-BC24286  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1940-2-13 15495 Napa About 3 mi. n. of Calistoga on State Highway #29. Comment
  CAS-BOT-BC38730  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-5-21 11311 Napa Hills east of Napa Comment
  CAS-BOT-BC38732  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4565 Napa Crater Country near Mt. St. Helena Comment
  CAS-BOT-BC38734  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1907-3-29 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC38735  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-5-1 6862 Napa Mt. St. Helena Comment
  JEPS122803  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5104 Napa 2.3 miles east of Moscowite corner on Highway 128. QUAD: Capell Valley. 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
  UC1543123  Arctostaphylos manzanita subsp. manzanita Charlotte G. Nast 1936-3-27 41 Napa Putah Canyon Comment
  UC549540  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-10 641 Napa Mt. St. Helena Comment
  UC909842  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-10 646 Napa Mt. St. Helena Comment
  CAS-BOT-BC43827  Arctostaphylos stanfordiana C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC43831  Arctostaphylos stanfordiana C. B. Wolf 1928-5-4 1860 Napa Mt. St. Helena Comment
  CAS-BOT-BC43856  Arctostaphylos stanfordiana Alice Eastwood 1923-5-9 11762 Napa Mt. St. Helena Comment
  CAS-BOT-BC43867  Arctostaphylos stanfordiana Alice Eastwood 1918-9-3 7940 Napa Mt. St. Helena Comment
  CDA11908  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Stebbins 1994-4-8 11714 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  JEPS38675  Arctostaphylos stanfordiana W. L. Jepson 1915-12-6 6586 Napa Howell Mt. Napa Range Comment
  JEPS38884  Arctostaphylos stanfordiana W. L. Jepson 1936-12-7 17992 Napa Four Corners Napa Range, Howell Mt. Comment
  SD64429  Arctostaphylos stanfordiana Darley F. Howe 1966-6-3 4264 Napa 3 mi. S of Angwine 305 Comment
  SDSU2839  Arctostaphylos stanfordiana D. F. Howe 1966-6-3 4264 Napa 3 miles south of Angwin. 305 Comment
  UC127170  Arctostaphylos stanfordiana Harley P. Chandler Sep 7 1906-Sep 14 1906 7118 Napa Alta Loma Ranch Howell Mountain 487 Comment
  SEINET12524559 Image available Arctostaphylos stanfordiana L. S. Rose 1935-1 35013 Napa Wooden valley grade 5 mi NE. of Napa. Comment
  SEINET8729967 Image available Arctostaphylos stanfordiana Lewis S. Rose 1937-1 37019 Napa Wooden Valley Grade, 8 mi. NE. of Napa. Comment
  JEPS122809  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 2007-1-23 5112 Napa Kortum Canyon Road on brushy ridge. QUAD: Calistoga. Comment
  RSA40107  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1948-3-8 48009 Napa Wooden Valley Grade, 6 miles NE of Napa. 183 Comment
  UCR101766  Arctostaphylos stanfordiana subsp. stanfordiana L. C. Wheeler 1952-8-30 6876 Napa Manganese Ridge: Moore Creek, Howell Mtn Comment
  JEPS106409  Arctostaphylos tomentosa subsp. crustacea Jake Ruygt 1996-3-5 3519 Napa Mt. George, west side meadow. 274 Comment
  UCD52212  Arctostaphylos viscida R. L. Smith 1948-4-17 s.n. Napa 5 miles north of Aetna Springs, Pope Valley, Napa County, California. Comment
  UCD52565  Arctostaphylos viscida Beecher Crampton 1964-10-8 7218 Napa Napa County; north end Capell Valley, slopes above Capell Creek, State Hwy. 128. Comment
  SEINET11989692  Arctostaphylos viscida W. Knight, Knight, I. 1982-1 4551 Napa 0.5 mi W of Spanish Flat, on road to Conn Reservoir Comment
  UCD170832  Arctostaphylos viscida subsp. pulchella 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 156 Comment
  JEPS78440  Arctostaphylos viscida subsp. viscida Edward Lee 1936-3-15 1809 Napa Rutherford-Pope Valley Rd 10.7 mi out Rutherford Comment
  RSA450961  Arctostaphylos viscida subsp. viscida C. B. Wolf 1928-5-4 1859 Napa Upper slopes of Mount St. Helena. Comment
  JEPS32463  Aristolochia californica W. L. Jepson 1939-9-12 19479 Napa York Creek near St. Helena Comment
  SEINET11262978  Aristolochia californica Daphne K. Christopher 2003-4-12 148 Napa UC Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation.; 0 166 Comment
  UC185097  Aristolochia californica H. P. Chandler 1907-5-30 7599 Napa St. Helena, White Sulphur Spring Comment
  UC6148  Aristolochia californica Willis L. Jepson 1893-4-28 Napa Wooden Valley grade from Napa; Napa River Basin Comment
  UCD137821  Aristolochia californica Dean W. Taylor 1972-2-25 1334 Napa at the dam on Putah Creek, Lake Berryessa. 167 Comment
  CAS-BOT-BC400453  Aristolochia californica Laura Huffine 1929-4-1 s.n. Napa Berryessa Valley Comment
  JEPS7805  Artemisia californica Peter H. Raven 1952-9-14 5180 Napa hills due e of Yountville 152 Comment
  JEPS37057  Artemisia douglasiana W. L. Jepson 1939-9-12 19483 Napa w of St. Helena; Spring Mountain Comment
  CDA2628  Arum italicum J. T. Howell 1970-3-19 46494 Napa Near Old Bale Mill 0 Comment
  JEPS104548  Asclepias eriocarpa Jake Ruygt 1989-6-17 2383 Napa Garnett Creek at Silverado Trail 128 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
  UC1299582  Asclepias solanoana Freed W. Hoffman 1949-6-4 3215 Napa Oat Hill Mine road North Coast Ranges (northern Napa County) Comment
  CAS-BOT-BC69615  Aspidotis densa John Thomas Howell 1926-3-21 1716 Napa St. Helena Creek below Patten's. 609 Comment
  SJSU1350  Aspidotis densa J. W. Tilden 1953-5-24 1036 Napa Mt. St. Helena 457 Comment
  RSA52712  Aspidotis densa I. L. Wiggins 1949-4-30 12094 Napa Northeastern slopes of Mount St. Helena near highway between Calistoga and Middletown, near Lake county border 854 Comment
  CAS-BOT-BC178660  Astragalus claranus D. O. Hunt 1922-4-19 s.n. Napa Near St. Helena Comment
  JEPS21030  Astragalus claranus W. L. Jepson 1924-4-6 10323 Napa Conn Valley , Conn Valley (Napa Range) Comment
  RSA481899  Astragalus claranus Aaron Liston, James D. Morefield 1988-3-19 706 -1 Napa Northeast side of Lake Hennessey; 4.3 miles ESE of Howell Mountain Road on Conn Valley Road. 100 Comment
  JEPS100818  Astragalus clevelandii Dean W. Taylor 2000-6-29 17470 Napa Zim Zim Creek, along the creek about 2.5 miles up from confluence of Eticuera Creek and Berryessa-Knoxville Road 259 Comment
  UC1199089  Astragalus gambelianus Joseph P. Tracy 1899-6-14 400 Napa 3-4 mi e Angwin's Howell Mountain (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, , head of Moore's Cree 365 Comment
  UCD38569  Astragalus gambelianus Beecher Crampton 1956-5-25 3448 Napa Vaca Mtns., Markley Canyon. Comment
  UCD47978  Astragalus gambelianus A. Hufton; S. Burgess, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 11 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
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Jan 14 2009
  UCD19951  Athysanus pusillus E. A. Dean; Virginia Boucher 2002-2-28 893 Napa Quail Ridge Reserve. Along West Rd. 0.4 airline miles NW of junction of West Rd. and Decker Canyon Rd. 274 Comment
  UCD148773  Atriplex prostrata Jake Ruygt 1978-9-8 406 Napa Napa County; Napa; Marina Dr. at Napa River. 0 Comment
  HSC43958  Avena barbata Robert M. Specht 1977-4-19 682 Napa Above drainage running NE from Adams Creek. 518 Comment
  UCD148825  Avena fatua Ellen Dean; Diana Hickson 2014-4-29 8130 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  JEPS126110  Azolla filiculoides Jake Ruygt 1981-4-22 995 Napa East of Kaiser Steel, west of Highway 29 (221) Rocktram. Napa 7.5' Qua. Comment
  CAS-BOT-BC98793  Baccharis douglasii Peter H. Raven 1955-8-27 8760 Napa Cuttings Wharf 3 Comment
  POM350406  Baccharis pilularis J. T. Howell 1932-10-8 10802 Napa Napa River levee at Cuttings Wharf Comment
  POM350407  Baccharis pilularis J. T. Howell 1932-10-8 10802 Napa Napa River levee at Cuttings Wharf Comment
  CAS-BOT-BC106729  Baccharis salicifolia John H. Thomas 1955-5-21 5155 Napa Along State Highway No. 128, about 4.5 miles south of Montecello 167 Comment
  CAS-BOT-BC16527  Barbarea orthoceras David D. Keck 1931-4-2 1015 Napa Wooden Valley Grade, west side of Napa Range, 5 miles northeast of Napa. 170 Comment
  CAS-BOT-BC16531  Barbarea orthoceras Peter H. Raven 1951-6-10 2926 Napa Center Region east of Palisades. 762 Comment
  JEPS106776  Barbarea orthoceras Jake Ruygt 1997-4-12 3829 Napa Bennett Lane, Calistoga 134 Comment
  JEPS123015  Beckmannia syzigachne Jake Ruygt 1992-5-18 2973 Napa Ecological Reserve, Yountville Cross Road, Napa River. Quad: Yountville. Comment
  CDA6264  Bellardia trixago T. C. Fuller 1958-6-4 Napa 2 miles south of Napa. 0 Comment
  JEPS11299  Bellardia trixago W. L. Jepson 1938-5-15 18782 Napa 0.5 mi n Napa Wye Comment
  RSA195297  Bellardia trixago Gilbert Muth 1967-5-17 676 Napa Oat Hill Road, Calistoga. 256 Comment
  JEPS129172  Berberis aquifolium Jake Ruygt 2015-3-16 6044 c Napa Sutro Ranch, west side of Atlas Peak. Yountville 7.5' Quad. Comment
  UCSB27483  Berberis nervosa Havlik, Neil 1969-6-29 Napa Along Trout Creek on the northeastern slope of Mount St. Helena 762 Comment
  JEPS106878  Berberis pinnata subsp. pinnata Jake Ruygt 1982-3-10 1127 Napa north of American Canyon on county line 280 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
  RSA769216  Bergia texana L. Ahart 2009-10-27 16485 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road,, about 20 air miles northwest of Winters 130 Comment
  CAS-BOT-BC31397  Bolboschoenus robustus Peter H. Raven 1952-8-26 5135 Napa Salt marshes near Bently Wharf. 15 Comment
  UCD121153  Briza maxima Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7349 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
  RSA696325  Briza minor Keith E. Hoffmaster 1939-4-26 941 Napa Near Monticello. Comment
  SACT000478  Briza minor John Willoughby 1979-5-25 Napa Pansy Flat, in open grassy areas below stock pond 609.6 Comment
  JEPS7692  Brodiaea appendiculata W. L. Jepson 1923-6-3 9981 Napa near mouth of Conn Creek; Napa Valley Comment
  JEPS129035  Brodiaea elegans subsp. elegans Jake Ruygt 2016-5-28 6268 Napa Oil Well Road 1/4 mile west of high point. Lake Berryessa 7.5' Quad. Comment
  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
  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
  RSA734159  Brodiaea laxa Keith E. Hoffmaster 1946-3-23 1206 Napa Napa range, along Napa-Monticello road Comment
  UC657700  Brodiaea leptandra Milo S. Baker 1941-6-30 10158 Napa n road from Silverado Trail, along highway to Howell Mt. 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
  CAS-BOT-BC486434  Brodiaea terrestris subsp. terrestris Alice Eastwood; John Thomas Howell 1938-5-15 5517 Napa Myrtledale Hot Springs Comment
  RSA125806  Brodiaea terrestris subsp. terrestris Peter H. Raven 1958-5-5 10750 Napa Near the Hot Springs, Calistoga. 91 Comment
  SBBG117219  Bromus B. Crampton 1961-6-12 5902 Napa 7 mi NE of city of Napa, summit along State Hwy 37, Howell Mtn Comment
  UCD60269  Bromus Beecher Crampton 1961-6-12 5902 Napa 7 miles northeast of Napa; Howell Mountains, summit of State Hwy. 37. Comment
  JEPS123014  Bromus carinatus var. carinatus Jake Ruygt 1991-4-17 2622 b Napa Montgomery Creek about 1/2 mile west of Mt. Veeder Road. Quad: Rutherford. Comment
  SEINET201050 Image available Bromus carinatus var. carinatus J. P. Tracy 1902-5-21 1580 Napa Dry hillside 457 Comment
  UCR152263  Bromus catharticus Beecher Crampton 1961-6-12 5902 Napa Inner North Coast Ranges, 7 miles northeast of city of Napa, summit along State Highway 37 396 Comment
  CHSC25161  Bromus diandrus J. E. Beitler 1970-4-19 37 Napa Around York Creek bridge W. side of Spring Mountain Road, ca. 1.7 mi. N.W. of junction of Spring Mountain Road and York Lane. St. Helena. Comment
  UC60218  Bromus diandrus Willis L. Jepson Napa Napa River Basin, Napa Valley Napa Valley; Napa River Basin, Napa Valley Comment
  UCD59484  Bromus diandrus A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3548 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  CAS-BOT-BC155071  Bromus hordeaceus Peter H. Raven 1953-5-2 5358 Napa Yountville. Along railroad tracks. 76 Comment
  JEPS76097  Bromus hordeaceus W. L. Jepson 1938-5-25 18870 Napa Napa Range, Howell Mountain, Bell Canyon Bell Canyon; Napa Range, Howell Mountain, Bell Canyon 579 Comment
  UCD18079  Bromus hordeaceus Ellen Dean; with PLB 102 class 2000-4-22 635 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
  UCD58629  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3542 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  CAS-BOT-BC155330  Bromus laevipes Peter H. Raven 1952-5-31 4151 Napa West of Rector Dam. 182 Comment
  JEPS123006  Bromus laevipes Jake Ruygt 1988-6-4 2215 Napa Mt. St. Helena <0.5 miles from Highway 29 0n fire road. Quad: Detert Reservoir. Comment
  UCD58957  Bromus laevipes Beecher Crampton 1965-6-30 7409 Napa Mt. Vaca, Vaca Mtns. 872 Comment
  SACT000578  Bromus mollis John Willoughby 1976-4-12 Napa Near Mount Vaca, in chaparral near top of ridge 609.6 Comment
  POM262786  Bromus rubens J. C. Roos 1939-4-28 261 Napa Angwin, Howell Mtn. Comment
  CAS-BOT-BC161637  Bromus sterilis G. L. Stebbins, Jr. 1953-4-19 5300 Napa Suisun Valley to Wooden Valley. 121 Comment
  CAS-BOT-BC161639  Bromus sterilis Peter H. Raven 1951-4-8 2765 Napa Yountville. 48 Comment
  UCD83855  Bromus sterilis Ellen Dean; Kate Mawdsley 2010-4-30 5944 b Napa Valley Gate Vineyard, lands near intersection of Hwy 12 and Kirkland Ranch Rd. 71 Comment
  UCD60221  Bromus tectorum R. Tofsrud 1950-10-14 s.n. Napa Summit of road between Oakville and Glenn Ellen. Comment
  JEPS122998  Bromus vulgaris Jake Ruygt 1987-5-16 2002 Napa Devil's Canyon. Quad: Sonoma. Comment
  CDA5378  Buddleja davidii H. Stabo 1965-8-26 Napa Yountville Crossroads. 0 Comment
  JEPS112602  Calandrinia breweri Jake Ruygt 1997-3-23 3815 Napa South of Bismark Knob on ridge. 612 Comment
  UCD148839  Calandrinia ciliata Ellen Dean; Diana Hickson 2014-4-29 8143 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UCD148770  Callitriche heterophylla var. bolanderi Jake Ruygt 1997-4-26 3836 Napa Napa County; Mt. Veeder Vineyards, south of Lakoya Road. 457 Comment
  JEPS42825  Callitriche longipedunculata Willis L. Jepson 1893-4-30 13819 Napa Calistoga; Napa River Basin, Napa Valley Comment
  UC146150  Callitriche marginata Joseph P. Tracy May 15 1903-May 18 1903 1870 Napa Napa Valley near Calistoga; Northern Coast Ranges 91 Comment
  RSA377263  Calochortus amabilis Robert Gustafson, Don Reynolds 1983-6-7 2732 Napa Howell Mtn. Rd., about 1 1/2 mi N of Angwin. 488 Comment
  UCD139466  Calochortus amabilis L. P. Thibault 1995-5-21 50 Napa on south side of Highway 128 about 3 miles west of Wragg Canyon Road. 250 Comment
  UCD139467  Calochortus amabilis M. Sidells 1996-4-27 26 Napa north of Route 128, 2 miles east of Lake Berreyessa. Putah Creek. 280 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
  SEINET12049813  Calochortus amabilis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -309 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  UCD139473  Calochortus amabilis Alan P. Godlewski 1974-5-3 21 Napa West of Lake Berryessa. 100 yards from Highway 128. Comment
  UC1197688  Calochortus luteus J. P. Tracy 1899-6-17 450 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD164691  Calochortus luteus L. P. Thibault 1995-6-2 54 Napa South side of Highway 128 approximately, 0.5 miles west of junction with Highway 121. 275 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
  SEINET4169984  Calochortus pulchellus W. M. Grannell 1950-4-27 15 Napa N. side of PutahCanyon Comment
  JEPS113984  Calochortus superbus Jake Ruygt 1986-6-9 1804 Napa 4.5 miles north of Westgate Drive on Atlas Peak Road. Capell Valley 7.5' Quad. Comment
  CAS-BOT-BC132622  Calochortus uniflorus David D. Keck 1931-4-4 1097 Napa Geysers just NW. of Calistoga, northwestern Napa County 110 Comment
  JEPS113985  Calochortus uniflorus Jake Ruygt 1999-5-10 4151 Napa Snell Valley near Stagecoach Canyon Road. Aetna Springs 7.5' Quad. Comment
  UC625514  Calochortus uniflorus Frank W. Gould 1938-4-3 110 Napa 1.5 mi nw St. Helena 91 Comment
  UC1876219  Calycadenia fremontii Gerald D. Carr 1971-9-20 665 Napa 0.8 mi SE of Berryessa-Knoxville Rd. on Hwy 128. 213 Comment
  UC194184  Calycadenia multiglandulosa H. M. Hall 1915-8-12 10092 Napa Howell Mountain, near summit, along n road to Woodworth's 518 Comment
  POM298230  Calycadenia multiglandulosa subsp. cephalotes D. D. Keck 1933-7-1 2467 Napa Howell Mountain, 2 miles SW of Pacific Union College Comment
  CAS-BOT-BC270824  Calycadenia pauciflora Gerald D. Carr 1971-9-20 666 Napa 4.2 miles N of Spanish Flat on Knoxville - Berryessa Road 152 Comment
  CAS-BOT-BC270834  Calycadenia pauciflora John Thomas Howell 1933-8-27 11634 Napa Sage Canyon, Napa Range Comment
  RSA255589  Calycadenia pauciflora Gerald D. Carr 1971-10-23 683 Napa Junction of Lower Chiles Valley and Pope Valley Roads Comment
  RSA255582  Calycadenia pauciflora Gerald D. Carr 1971-9-20 672 Napa 0.8 miles NW of Knoxville on Morgan Valley Road 457 Comment
  UCD129823  Calycadenia pauciflora Gerald D. Carr 1971-10-23 681 Napa 1/4 mile west of Berryessa-Knoxville Road on Highway 128. Comment
  UCD129844  Calycadenia pauciflora Gerald D. Carr 1972-8-9 727 Napa Mysterious Creek Road, 11.3 miles southwest of Berryessa-Knoxville Road. Via Devilhead Road. Comment
  UCD129863  Calycadenia pauciflora Gerald D. Carr 1974-5-28 762 Napa 3.3 miles southeast of Howell Mountain Road on Conn Valley road, west facing slope. Comment
  UCD129878  Calycadenia truncata Gerald D. Carr 1971-11-6 686 Napa 0.8 mile south of Angwin on Howell Mt. Road. Comment
  UCR23720  Calycadenia truncata John C. Roos 1939-7-16 254 Napa North Coast Range, Palisades, Napa Range near Calistoga 823 Comment
  CAS-BOT-BC271554  Calycadenia truncata subsp. truncata H. M. Hall 1924-10-4 12109 Napa Near Yountville Comment
  CAS-BOT-BC271560  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  RSA456155  Calycanthus occidentalis B. C. Templeton 1957-6-26 s.n. Napa About 1.1 miles E of Calistoga. Comment
  UC1126250  Calycanthus occidentalis A. Lewis 1932-5-24 108 Napa Wooden Valley; Napa Quad. 243 Comment
  UC126481  Calycanthus occidentalis Harley P. Chandler Sep 7 1906-Sep 14 1906 7133 Napa Alta Loma Ranch; Howell Mountain 487 Comment
  UC1536921  Calycanthus occidentalis Gordon H. True Jr. 1937-6-21 731 Napa near Lokoya Lodge 365 Comment
  UCR198051  Calycanthus occidentalis Lisa Montany 1985-6-1 33 Napa Hwy 128, 0.5 mi west of Conn Dam, north of road in clearing near creek 76 Comment
  UCD117787  Calystegia collina subsp. collina Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  JEPS31598  Calystegia collina subsp. oxyphylla W. L. Jepson 1924-4-27 10381 Napa e Mt. St. Helena; e of Mt. St. Helena Comment
  SEINET5741986 Image available Calystegia occidentalis Midori J. Minabe 1971-1 70 Napa Ca. 2 miles SW of Solano County line on Route 128 and ca. 0.5 mile north (?) on dirt road, south of Lake Berryessa.; Lake Berryessa Comment
  UCD161217  Calystegia occidentalis subsp. occidentalis Jake Ruygt 1980-6-22 937 Napa 1 mile N of Snell Valley Rd. on Butts Canyon Rd. 207 Comment
  SBBG5771  Calystegia purpurata H. and M. Dearing 1939-5-3 3269 Napa Rutherford-Sage Cyn Rd Comment
  JEPS31634  Calystegia purpurata W. L. Jepson 1938-5-24 18854 Napa betw. Sanitarium and Four Corners (Howell Mtn.); , betw. Sanitarium and Four Corners Comment
  JEPS106402  Calystegia purpurata subsp. purpurata Jake Ruygt 1989-6-3 2363 Napa about 1 mile south of Monticello Dam on Vaca Mtns. 396 Comment
  JEPS126128  Calystegia purpurata subsp. purpurata Jake Ruygt 2007-11-10 5258 Napa East side of California Blvd., about 0.1 mi. south of Trancas Street, Napa. Napa 7.5' Qua. Comment
  UCD168575  Calystegia purpurata subsp. purpurata Stephen P. Rae; A. Solomeshch 2007-4-10 s.n. Napa Lieff property east of Rutherford, 40 Auberge Road above Rutherford Hill Road, just north of the intersection of Silverado Trail and Highway 128. 165 Comment
  JEPS122730  Camissonia contorta Jake Ruygt 1991-5-11 2666 Napa Intersection Aetna Extension Road with Oat Hill Mine Road. Quad: Detert Reservoir. Comment
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Jun 18 2018
  JEPS122760  Camissonia contorta Jake Ruygt 2007-5-17 5173 b Napa Wildlake Ranch, near Potato Hill. Quad: Calistoga. Comment
  JEPS33762  Camissoniopsis hirtella W. L. Jepson 1936-5-31 17569 Napa between Toland House and Angwin; Napa Range, Howell Mt., La Jota Plateau, La Jota Comment
  JEPS106557  Campanula angustiflora Jake Ruygt 1980-5-13 886 Napa 3.0 miles south of Oakville Grade on Dry Creek Road 182 Comment
  CAS-BOT-BC37118  Capsella bursa-pastoris Elsa G. Ruckert 1960-2-20 3 Napa 6495 Dry Creek Road. Southwest of house. 365 Comment
  JEPS106838  Cardamine californica var. californica Jake Ruygt 1982-1-24 1092 Napa Monticello Rd. 1.0 mile east of Vichy Ave. 109 Comment
  POM225547  Cardamine californica var. integrifolia J. T. Howell 1931-4-3 6150 Napa Near summit of Butts Canyon Road, to Middletown from Aetna Springs. Comment
  CAS-BOT-BC37858  Cardamine oligosperma Peter H. Raven 1953-3-29 5216 Napa Hills east of Imola. 121 Comment
  JEPS53318  Cardaria draba John Thomas Howell 1926-4-3 1781 Napa near Yountville 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
  UCD41308  Carduus pycnocephalus Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 1 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, W side of Knoxville Creek, 1 road mile S of the gate to old town of Knoxville. 353 Comment
  RSA156058  Carduus pycnocephalus Peter H. Raven 1962-5-31 17922 Napa 3.8 miles north of junction of State Hwy. 37 with road to Fairfield Comment
  CAS-BOT-BC17797  Carex amplifolia Hugh Leech 1972-11-6 s.n. Napa Napa Range. 2.5 miles north of Angwin. Comment
  CAS-BOT-BC35070  Carex densa Peter H. Raven 1951-5-26 2868 Napa 0.3 mile from Lokoya Lodge to Napa. 365 Comment
  CAS-BOT-BC35072  Carex densa Peter H. Raven 1951-6-10 2948 Napa Crater Region of Palisades. 762 Comment
  CAS-BOT-BC35075  Carex densa Peter H. Raven 1951-6-24 3017 Napa Brown's Valley. 91 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
  UC824766  Carex densa Lewis S. Rose 1935-6-4 35193 Napa Roadside ditch Oakville 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
  UCD73493  Carex densa Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC18901  Carex densa Betty H. Johnson 1958-6-20 646 Napa At Mt. Mill House, 6.4 miles SW of Middletown. Comment
  CAS-BOT-BC35073  Carex densa Peter H. Raven 1952-5-31 4115 Napa Conn Creek east of Yountville. 45 Comment
  CAS-BOT-BC35074  Carex densa Peter H. Raven 1950-5-6 2019 A Napa Near Rt. 29, on Old Faithful Geyser road 2 miles north of Calistoga. Comment
  UCD161534  Carex densa Jake Ruygt 1990-4-14 2482 Napa Wooden Valley, north end of Wild Horse Valley Ranch. 195 Comment
  UCD161698  Carex densa Jake Ruygt 2010-5-24 5561 Napa south of Heitz Way, west side of Highway 29. 94 Comment
  CAS-BOT-BC20851  Carex globosa John Thomas Howell 1941-4-5 16157 Napa Franz Valley. Comment
  UCD161789  Carex lyngbyei Jake Ruygt 1999-7-3 4192 Napa end of Green Island Road at river. 2 Comment
  UC50830  Carex multicaulis J. P. Tracy 1902-5-21 1616 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 487 Comment
  CAS-BOT-BC118466  Carex praegracilis Wm. Siler 1938-4-11 s.n Napa Calistoga 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
  UCD161702  Carex praegracilis Jake Ruygt 2010-5-1 5531 Napa Hunting Creek near campground. (Coorindates converted from UTM data by label maker.) 329 Comment
  CAS-BOT-BC118467  Carex praegracilis Lewis Samuel Rose 1935-6-4 35201 Napa E slope of Mt. St. Helena Comment
  JEPS121330  Carex serratodens Jake Ruygt 1982-5-5 1237 Napa American Canyon Comment
  JEPS3817  Castilleja affinis subsp. affinis W. L. Jepson 1938-5-24 18839 Napa near Four Corners; Howell Mountain Comment
  JEPS110618  Castilleja affinis subsp. neglecta Jake Ruygt 1982-5-8 1231 Napa north side American Canyon above quarry 152 Comment
  JEPS57375  Castilleja applegatei subsp. martinii L. R. Heckard and T. I. Chuang 1968-6-18 1941 Napa 1 mi below Ink Grade junction with Howell Mt. road (Ink Grade, ne of Angwin) 457 Comment
  RSA195298  Castilleja applegatei subsp. martinii Gilbert Muth 1967-5-17 680 Napa Oat Hill Road, Calistoga. 671 Comment
  JEPS4833  Castilleja applegatei subsp. martinii Rimo Bacigalupi with James R. Sweeney''Rimo Bacigalupi (with James R. Sweeney) 1953-5-26 4129 Napa Exactly 1 mile south of summit (St. Helena summit) of State Highway no. 29. Comment
  JEPS62590  Castilleja applegatei subsp. martinii T. I. Chuang with Fei-Mei Chuang 1970-7-25 6832 Napa 4.8 mi s Napa-Lake County line (on Highway 29) Comment
  UCD122283  Castilleja applegatei subsp. martinii Alan P. Godlewski 1974-5-3 s.n. Napa West of Lake Berryessa, 100 yds. From Highway 128. Comment
  SEINET13732897  Castilleja applegatei subsp. pinetorum R. R. Halse 2013-3-27 8753 Napa S end of Lake Berryessa, along State Hwy 128, ca 8.7 miles W of Winters, just W of Monticello Dam. 143 Comment
  CDA12104  Castilleja attenuata G. F. Hrusa 1989-4-24 5963 Napa North Coast Biodiversity Arena; Hwy 128, approx. 10 miles S of Pope Valley. Comment
  JEPS129163  Castilleja attenuata Jake Ruygt 2015-3-28 6060 Napa Upper Bohn Lake. Aetna Springs 7.5' Quad. Comment
  JEPS9880  Castilleja attenuata W. L. Jepson 1944-5-21 27258 Napa valley at w base Adam-and-Eve Ridge; Howell MOuntain 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
  JEPS21806  Castilleja attenuata Margaret Whitmore 1958-4-11 43 Napa 2 mi n Napa (on Atlas Peak road) 16 Comment
  UCD122315  Castilleja attenuata K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  UCSB7453  Castilleja attenuata Kamb, Peter; Chisaki, Francia 1950-4-22 Napa 3.2 miles west of junction of the road with California Highway #37 213 Comment
  JEPS122741  Castilleja densiflora subsp. densiflora Jake Ruygt 2011-5-28 5798 Napa West of Atlas Peak Road, 0.6 mi SW of Foss Valley. Quad: Yountville. Comment
  JEPS21807  Castilleja densiflora subsp. densiflora Margaret Whitmore 1958-4-11 42 Napa 2 mi n Napa (on Atlas Peak Road) 16 Comment
  JEPS9411  Castilleja densiflora subsp. densiflora W. W. Mott 1915-4-26 3 Napa Napa, hills sw Napa Comment
  UCD122551  Castilleja foliolosa R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  UCD122555  Castilleja foliolosa D. S. Totah 1948-3-18 3 Napa Putah Canyon. Comment
  CAS-BOT-BC241284  Castilleja latifolia Peter H. Raven 1954-2-22 6416 Napa Hills n. of White Sulphur Ck., W. of Saint Helena 152 Comment
  UC1537565  Castilleja minor subsp. spiralis Gordon H. True Jr. 1937-7-30 825 Napa near Aetna Springs 365 Comment
  UC765676  Castilleja minor subsp. spiralis R. F. Hoover 1938-9-23 3860 Napa canyon of south fork of Butts Creek Comment
  UCR44913  Castilleja minor subsp. spiralis L. F. LaPre, R. Bjork 1986-7-11 s.n. Napa Inner North Coast Ranges, Tributary to Hunting Creek, 1 mi south of Dunningan Hill, near the Lake Co. line 400 Comment
  UCD123048  Castilleja rubicundula subsp. lithospermoides Gerald D. Carr; R. F. Denno 1971-5-13 544 Napa Roadside field, 1.0 mi N of jct. of Lower Chiles Valley Rd. with Calif. 128, on Lower Chiles Valley Rd. Comment
  UCD169784  Castilleja rubicundula subsp. lithospermoides Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 792 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 447 Comment
  UCD111789  Ceanothus cuneatus D. S. Totah 1948-3-18 8 Napa Putah Canyon. Comment
  UCD20650  Ceanothus cuneatus R. J. Blenkush; J. H. Richards 2000-1-29 44 Napa Berryessa-Knoxville Road. 1 mile north of Putah Creek Resort. 158 Comment
  UCD21545  Ceanothus cuneatus B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 4 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, next to Hunting Creek, next to the Hunting Creek Campground parking lot. 335 Comment
  JEPS110720  Ceanothus cuneatus var. cuneatus Jake Ruygt 1991-3-30 2618 Napa crest of Oakville Grade 274 Comment
  JEPS82369  Ceanothus cuneatus var. cuneatus W. L. Jepson 1937-4-10 18002 Napa Bell Canyon Howell Mt. Comment
  UC483312  Ceanothus cuneatus var. cuneatus Ira L. Wiggins 1932-3-12 5766 Napa hillside between Franz Valley and Calistoga Comment
  CAS-BOT-BC49111  Ceanothus cuneatus var. ramulosus Ira L. Wiggins 1932-3-12 5766 Napa Hillside between Franz Valley and Calistoga Comment
  CAS-BOT-BC49799  Ceanothus divergens John Thomas Howell 1941-4-5 16160 Napa Franz Valley Comment
  JEPS110718  Ceanothus divergens Jake Ruygt 1979-3-25 460 Napa 1.5 miles west of HWY 29 on Whitehall Lane 128 Comment
  OBI10254  Ceanothus divergens Milo S. Baker 1941-6-30 10159 Napa Along hwy to Howell Mt N road from Silverado Trl Comment
  POM273093  Ceanothus divergens Milo S. Baker 1939-3-22 s.n. Napa 1.1 mile west of Calistoga-Napa Hwy 1 at a point 1.1 mile south of Calistoga at upper end of small fruit ranch Comment
  POM304578  Ceanothus divergens J. T. Howell 1941-4-5 s.n. Napa Franz Valley Comment
  UC1070630  Ceanothus foliosus A. Lewis 1932-5-13 72 Napa Dry Creek Napa quad. 213 Comment
  UC18323  Ceanothus foliosus Edw. L. Greene 1892-4-23 Napa Mt. St. Helena Comment
  UC79969  Ceanothus foliosus Katharine Brandegee 1889-4 Napa Mt. St. Helena Comment
  UCR43196  Ceanothus foliosus L. F. LaPre 1985-4-24 s.n. Napa Inner North Coast Ranges, Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. line and south of Three Peaks 671 Comment
  CAS-BOT-BC50879  Ceanothus foliosus var. foliosus Peter H. Raven 1951-5-26 2891 Napa Howell Mtn. to St. Helena 243 Comment
  CAS-BOT-BC50919  Ceanothus foliosus var. foliosus John Thomas Howell; Alice Eastwood 1939-6-11 7430 Napa Hills west of Calistoga Comment
  UC1736301  Ceanothus foliosus var. foliosus Dean W. Taylor 1998-6-3 16451 Napa Livermore Road, edge of roadway bordering walnut orchard, ca. 1 air mile S of Three Peaks 640 Comment
  UCD112165  Ceanothus incanus K. Esau; E. Hyde 1938-5-15 s.n. Napa Mt. St. Helena. Comment
  CAS-BOT-BC50788  Ceanothus integerrimus L. R. Abrams 1928-5-4 12289 Napa 4 mi. south of Middletown Comment
  UCD112497  Ceanothus integerrimus K. Esau; E. Hyde 1938-5-15 s.n. Napa Mt. St. Helena. Comment
  UCD148849  Ceanothus integerrimus Ellen Dean; Diana Hickson 2014-4-29 8152 Napa collected along Devilhead Rd in Cupressus woodland on BLM land. Exact location unknown. 487 Comment
  CAS-BOT-BC50636  Ceanothus jepsonii Ella Dales Cantelow 1939-4-8 2525 Napa 3 1/2 mi. n.w. of Knoxville Comment
  CHSC22530  Ceanothus jepsonii Robert A. Schlising; Glenn Keator 1962-1-25 2025 Napa Mount Saint Helena. Comment
  UC1005696  Ceanothus jepsonii Frank W. Gould 1939-4-7 621 Napa 1 mi n Knoxville (on rd to Lower Lake) 457 Comment
  CAS-BOT-BC32695  Ceanothus jepsonii var. albiflorus John Thomas Howell 1937-7-18 13100 Napa Mt. St. Helena Creek, northern part of county Comment
  RSA753878  Ceanothus jepsonii var. albiflorus Dylan O. Burge 2007-6-12 DOB 940 c Napa Mayacmas Mts., at roadside on Livermore Road, near Rattlesnake Spring. 0.6 road miles (1.0 km) W of SR 29, 10.5 km 356 degrees (True) NNW of Calistoga. 535 Comment
  UC1070780  Ceanothus jepsonii var. albiflorus A. Lewis May 1932 105 Napa Head Sarco Creek 396 Comment
  SEINET5743563 Image available Ceanothus jepsonii var. albiflorus Ithnin Bujang 1974-1 9 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon Road and Chiles Valley Road intersection. N-facing slope of hill. 204 Comment
  SEINET11191994  Ceanothus oliganthus var. oliganthus R. R. Halse 2013-3-27 8751 Napa Along State Hwy. 128 ca. 8.7 miles W of Winters, just west of Monticello Dam, south end of Lake Berryessa. 143 Comment
  CAS-BOT-BC51558  Ceanothus oliganthus var. sorediatus John Thomas Howell 1931-4-3 6133 Napa Pope Creek Canyon, 8.5 miles from Monticello Comment
  CAS-BOT-BC51560  Ceanothus oliganthus var. sorediatus W. L. Jepson 1891-7-7 s.n. Napa in the Vaca Mts. Comment
  CAS-BOT-BC51562  Ceanothus oliganthus var. sorediatus H. E. McMinn 1923-5-26 974 b Napa Along Eticuera Creek tributary to Putah Creek Comment
  CAS-BOT-BC51563  Ceanothus oliganthus var. sorediatus David D. Keck 1931-4-2 1011 Napa Foot of Wooden Valley Grade, West base of Napa Range, 4.5 miles NE. of Napa 90 Comment
  CAS-BOT-BC51564  Ceanothus oliganthus var. sorediatus H. E. McMinn 1923-5-25 974 a Napa Between Wooden Valley and Monticello Comment
  HSC43984  Ceanothus oliganthus var. sorediatus Robert M. Specht 1977-4-15 667 Napa Edge of rd. to Adams Creek on E facing slope 409 Comment
  CAS-BOT-BC53218  Ceanothus parryi Peter H. Raven 1953-5-2 5415 Napa Soda Creek Canyon ca. 2 miles below Foss Valley 335 Comment
  JEPS42254  Ceanothus parryi Willis L. Jepson 1893-4-28 14023 Napa plateau betw Mt. George and Milliken Creek Wooden Valley grade; Napa Range Comment
  JEPS42392  Ceanothus parryi Willis L. Jepson 1893-5-6 14023 Napa Calistoga Comment
  UC18395  Ceanothus parryi Willis L. Jepson 1893-4-25 Napa w St. Helena (trail to Caux's Cabin); Napa River Basin, w of St. Helena Comment
  UC18402  Ceanothus parryi Willis L. Jepson 1894-4-30 Napa sw Calistoga (Rebecca Ranch grade); Napa River Basin, sw of Calistoga Comment
  UC80041  Ceanothus parryi Katharine Brandegee June 1889 21 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UC931951  Ceanothus parryi Verne and Alva Grant 1946-5-26 7633 Napa southeast slope of Mt. St. Helena 1066 Comment
  UCD112503  Ceanothus parryi M. Van Rensselaer 1938-4-26 s.n. Napa Wooden Valley Grade. Comment
  UCD95896  Ceanothus parryi Ellen Dean; with Clare Loughran 2011-5-20 7042 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  CAS-BOT-BC52186  Ceanothus purpureus Alice Eastwood; John Thomas Howell 1937-4-4 3832 Napa Wooden Valley Grade Comment
  CAS-BOT-BC52200  Ceanothus purpureus Peter H. Raven 1953-4-2 5259 Napa e. of Imola 182 Comment
  CAS-BOT-BC83729  Ceanothus purpureus D. O. Burge 2007-5-4 905 b Napa Atlas Road, at roadside 5.7 road miles (9.1 km) N of intersection with Monticello Road (SR 121) 410 Comment
  CDA11160  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11572 Napa North Coast Biodiversity Arena; Howell Mtn., W face, 2-3 mi. W of Angwin, alongside Howell Mtn Rd. Comment
Read comments
Jul 28 2008
  RSA293486  Ceanothus purpureus C. W. Tilforth, J. Dourley 1979-7-22 1853 Napa Along Wooden Valley Road, NE of Napa Comment
  SEINET3841331 Image available Ceanothus purpureus H. S. Reed 1939-4-16 Napa Napa Hills 213 Comment
  UC483677  Ceanothus purpureus Milo S. Baker 1931-4-1 5098 Napa In Canyon 5 miles NE of Napa on Monticello Road, north side Comment
  UCD112681  Ceanothus purpureus J. Street 1950-4-24 s.n. Napa 4 miles north of Napa, 2 feet high. Comment
  UCD82601  Ceanothus purpureus Ellen Dean; T. Starbuck 2009-5-4 5539 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  CDA7076  Centaurea calcitrapa H. K. Wagnon 1967-8-2 Napa 2.4 miles south of Knoxville, Knoxville-Lake Berryessa Road. 0 Comment
  SD129755  Centaurea calcitrapa Donald G. Nelson 1940-8-7 699 Napa Highway from Napa to Wooden Valley, north slopes of George Mountain. Alon Sarco Creek (?). 152 Comment
  CDA7329  Centaurea solstitialis T. C. Fuller 1959-5-15 2431 Napa Fanner property, Sanitarium area. 0 Comment
  CAS-BOT-BC277209  Centaurea solstitialis Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC277210  Centaurea solstitialis A. D. E. Elmer 1903-7-1 4943 Napa Napa Comment
  JEPS122700  Centaurea virgata subsp. squarrosa Jake Ruygt with Aigner and Koehler Aug, 2005 4961 Napa Morgan Valley Road just north of road to Harrison Mine. Quad: Jericho Valley. Comment
  JEPS106533  Centaurium muehlenbergii Jake Ruygt 1992-7-14 3092 Napa Yountville Ecological Reserve,Yountville Cross Rd., Napa River 27 Comment
  UCD83403  Centaurium tenuiflorum Jake Ruygt 1998-7-6 4069 Napa Silverado Trail, just N of Rector Reservoir. 64 Comment
  UCD83404  Centaurium tenuiflorum Jake Ruygt 2004-10-10 4682 Napa 0.1 mi N of Wine Country Rd. on Solano Ave. 22 Comment
  UC763195  Centaurium trichanthum R. F. Hoover 1941-8-24 5580 Napa near Calistoga; Myrtledale Hot Springs Comment
  JEPS46954  Centaurium trichanthum W. L. Jepson 1917-8-15 7438 Napa Calistoga Comment
  UC1746024  Centaurium venustum Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2771 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UCD170276  Centromadia fitchii Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 810 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 637 Comment
  UC1034623  Centromadia fitchii Milo S. Baker 1932-5-8 5903 Napa near School House; Mill Creek Canyon Comment
  JEPS106655  Centromadia parryi subsp. parryi Jake Ruygt 1992-9-5 3139 Napa Tubbs Lane at Myrtledale Rd., Calistoga 122 Comment
  UC1223089  Centromadia parryi subsp. parryi Joseph P. Tracy 1950-8-11 19301 Napa Calistoga Hot Springs Comment
  UC726515  Centromadia parryi subsp. parryi A. A. Heller 1941-9-22 Napa Calistoga Comment
  UC762611  Centromadia parryi subsp. parryi R. F. Hoover 1941-8-24 5578 Napa near Calistoga; Myrtledale Hot Springs Comment
  UC89051  Centromadia parryi subsp. parryi Alice Eastwood 1900-9-9 Napa Comment
  UC89053  Centromadia parryi subsp. parryi T. S. Brandegee 1892-8-1 Napa Calistoga Comment
  UC894336  Centromadia parryi subsp. parryi Alice Eastwood 1918-9-3 7960 Napa Calistoga Comment
  JEPS112624  Centunculus minimus Jake Ruygt 1995-6-5 3486 b Napa Taylor driveway, about 1.5 miles south of Lake Hennessey. 411 Comment
  JEPS51346  Cerastium glomeratum Willis L. Jepson 1897-5-2 Napa Napa River Basin, Rebecca Ranch Grade Upper Napa Valley, Napa River Basin, Rebecca Ranch Grade Comment
Read comments
Aug 24 2010
  JEPS51353  Cerastium glomeratum W. L. Jepson 1921-5-6 9178 Napa Calistoga 109 Comment
  UCD48851  Cerastium glomeratum L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 10 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd., S of North Decker Canyon Rd. and N of Cut-Off Rd. 152 Comment
  CAS-BOT-BC388230  Cerastium glomeratum Peter H. Raven 1953-4-2 5233 Napa Imola 60 Comment
  RSA801719  Cercis occidentalis Keith E. Hoffmaster 1939-4-6 896 Napa Putah can. Comment
  UC588162  Cercis occidentalis Ethel Crum 1937-4-18 1787 Napa on Knoxville Rd 11 mi n Monticello Comment
  JEPS46425  Cercocarpus betuloides W. L. Jepson 1896-2-23 Napa Howell Mt. Comment
  CAS-BOT-BC135488  Cercocarpus betuloides var. betuloides Mrs. Elizabeth Wright 1922-4-1 s.n. Napa Near Calistoga Comment
  UC12148  Cercocarpus betuloides var. betuloides Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  UC2029551  Cercocarpus betuloides var. betuloides Richard R. Halse 2013-3-27 8754 Napa Along State Highway 128, ca. 5.3 miles eastt of its junction with State Highway 121 at Moskowite Corners Comment
  UC903165  Cercocarpus betuloides var. betuloides Ethel Crum 1937-4-19 1776 Napa 6 mi n of Napa (Mount George); Napa Range, Mount George 304 Comment
  HSC43985  Chaenactis glabriuscula var. heterocarpha Robert M. Specht 1977-4-13 656 Napa South-facing slope 488 Comment
  JEPS106929  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 1981-5-6 1014 Napa Zim Zim Falls 390 Comment
  UC410440  Chaenactis glabriuscula var. heterocarpha Alice Eastwood 1930-4-13 Napa canyon between Monticello and Pope Valley Comment
  HSC81993  Chaenactis glabriuscula var. heterocarpha Thomas W. Nelson, Jane P. Nelson 1980-5-3 5158 Napa Junction of Butts Canyon Rd. & Snell Valley Rd. 197 Comment
  CAS-BOT-BC277646  Chaenactis glabriuscula var. megacephala David D. Keck 1933-5-29 2348 Napa Pope Creek bridge, south of Walters Springs Comment
  CDA34658  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-12 16437 -A Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  JEPS106425  Chamaesyce serpillifolia subsp. serpillifolia Jake Ruygt 1978-10-22 425 Napa .3 miles north of Airport Rd., Sheehy Cr 6 Comment
  UCD137456  Cheilanthes gracillima Herbert L. Mason 1936-3-14 2736 Napa Mt. St. Helena. Comment
  CHSC102272  Chenopodium album Lowell Ahart 2009-10-12 16435 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  RSA769218  Chenopodium album L. Ahart 2009-10-27 16483 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road., About 20 air miles northwest of Winters 130 Comment
  CDA29723  Chenopodium ambrosioides M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 221 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
  UCD148776  Chenopodium berlandieri Jake Ruygt 2006-7-22 5076 Napa Rutherford. Napa River north of Zinfandel Lane. 56 Comment
  UCD148777  Chenopodium californicum Jake Ruygt 2005-2-12 4695 Napa Napa County; Berryessa Knoxville Road at south entry into Knoxville Wildlife Area. 234 Comment
  RSA90500  Chenopodium californicum Anonymous 1936-04 8179 Napa A mile or so north of Knoxville. Comment
  JEPS106742  Chenopodium multifidum Jake Ruygt 1990-1-4 2429 Napa 1.8 miles north of Dealy Lane on Henry Road 103 Comment
  UCD148778  Chenopodium vulvaria Jake Ruygt 2005-10-8 4953 Napa Napa County; Long Canyon at Berryessa Knoxville Rd. 310 Comment
  UCD98466  Chenopodium vulvaria Irving Grover 1958-6-24 Napa exact location unknown. Comment
  JEPS126071  Chimaphila menziesii Jake Ruygt 1987-7-11 2068 Napa Between Rattlesnake Springs and Livermore Road. Detert Reservoir 7.5' Quad. Comment
  UCD160735  Chlorogalum pomeridianum Ellen Dean 2015-5-23 8787 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 231 Comment
  UC13725  Chlorogalum pomeridianum var. pomeridianum Willis L. Jepson July 1884 Napa Little Oak Comment
  UCD167624  Chlorogalum pomeridianum var. pomeridianum Jake Ruygt 1978-6-28 370 Napa Partrick Road, 2 miles north of Browns Valley Road. 164 Comment
  JEPS110751  Chorizanthe membranacea Jake Ruygt 1996-4-12 3607 Napa Blue Ridge, north of Monticello Dam. Portuguese Canyon. 487 Comment
  CAS-BOT-BC252838  Chorizanthe polygonoides var. polygonoides Peter H. Raven 1951-6-10 2908 Napa Crater Region E of Mt. St. Helena 792 Comment
  JEPS35982  Cichorium intybus W. L. Jepson 1917-8-16 7432 Napa St. Helena Comment
  UCD127359  Cicuta douglasii Lloyd Harwood 1972-11-6 s.n. Napa Wild Horse Valley Ranch. Comment
  CAS-BOT-BC278019  Cirsium cymosum John Thomas Howell 1940-5-19 15467 Napa St. Helena Creek Canyon near Montesol Comment
  JEPS59225  Cirsium cymosum var. cymosum Willis L. Jepson 1892-7 Napa Knoxville Mountain Region of Clear Lake Comment
  CDA1211  Cirsium douglasii var. douglasii T. C. Fuller, H. Stabo 1959-6-2 2647 Napa Southern Napa Co. 0 Comment
  OBI76876  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
  JEPS106934  Cirsium quercetorum Jake Ruygt 1992-5-15 2967 Napa Wild Horse Valley Ranch, west of road north of polo field 487 Comment
  JEPS106935  Cirsium remotifolium var. odontolepis Jake Ruygt 1992-6-22 3040 Napa west of Leoma Lakes, Wild Horse Valley Ranch 402 Comment
  CAS-BOT-BC169771  Cistanthe quadripetala John Thomas Howell 1940-5-19 15460 Napa Upper St. Helena Creek Comment
  UCD49180  Clarkia affinis M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 20 Napa Quail Ridge UC Reserve, northern tip of peninsula, shaded shallow saddle 50 ft. W of power line near ridge. 274 Comment
  UC930763  Clarkia amoena Alice Eastwood, John Thomas Howell 1939-6-11 7421 Napa sw Oakville; Hood Mt. Range Comment
  CAS-BOT-BC160918  Clarkia amoena subsp. amoena E. Ruckert 1960-4-29 131 Napa 6495 Dry Creek Road 396 Comment
  UCD160722  Clarkia concinna Ellen Dean 2015-5-23 8774 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 211 Comment
  JEPS43613  Clarkia concinna subsp. concinna W. L. Jepson 1896-6-2 14426 Napa mouth Conn Valley (Conn Ridge); Napa Valley Comment
  UC1198513  Clarkia concinna subsp. concinna J. P. Tracy 1899-6-11 358 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 457 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
  JEPS43610  Clarkia concinna subsp. concinna W. L. Jepson 1908-5-23 3006 Napa hills e St. Helena Comment
  RSA209534  Clarkia concinna subsp. concinna Betty H. Johnson 1958-6-8 592 Napa Near St. Helena River, at the Mill House , 6.4 miles SW of Middletown Comment
  JEPS43732  Clarkia gracilis subsp. albicaulis W. L. Jepson 1938-6-8 18888 Napa n Pope Valley (Butts Canyon); South Fork of Butts Creek Comment
  POM38631  Clarkia gracilis subsp. sonomensis Katherine Brandegee 1910-5-22 120 Napa Mountain slopes from Calistoga, to the Toll House Comment
  UCD167104  Clarkia gracilis subsp. tracyi Jake Ruygt 2015-6-13 6125 Napa Sage Canyon Road about 0.5 mi east of Sillverado Trail. 103 Comment
  UCD63363  Clarkia gracilis subsp. tracyi Daniel Sanchez-Mata 2006-6-11 s.n. Napa Turtle Rock-Rutherford. Lower Chiles Valley Road. Chiles Valley. 270 Comment
  SEINET9313592  Clarkia purpurea Unknown 1993-5-15 10982 Napa Quail Ridge Reserve Comment
  CAS-BOT-BC163688  Clarkia purpurea subsp. quadrivulnera M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC163695  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1953-5-2 5391 Napa Hills due e. of Yountville 243 Comment
  UCD104922  Clarkia purpurea subsp. quadrivulnera Heidi E. M. Dobson 1978-6-14 339 Napa East slope of Mt. Veeder. Comment
  UC1196985  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1904-5-23 2083 Napa near Calistoga (Pratt's Hill); Northern Coast Ranges, Napa Valley 91 Comment
  JEPS129099  Clarkia purpurea subsp. viminea Jake Ruygt 2016-4-30 6217 Napa Smitty Ranch, east side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UC1301111  Clarkia purpurea subsp. viminea Helen K. Sharsmith 1962-6-3 5114 Napa near Angwin; San Francisco Bay Region, Mount Howell 487 Comment
  CAS-BOT-BC164761  Clarkia rhomboidea Peter H. Raven 1951-5-26 s.n. Napa Howell Mtn just above Pope Valley Comment
  UCD105088  Clarkia unguiculata L. P. Thibault 1995-5-19 38 Napa Northside of Highway 128, N of Lake Solano, approx. 2-3 miles E of Monticello Dam. 125 Comment
  JEPS43259  Claytonia exigua subsp. exigua W. L. Jepson 1900-3-10 514 Napa Howell Mt. Comment
  JEPS77942  Claytonia exigua subsp. exigua Edward Lee 1936-3-15 1800 Napa 0.75 mi out Rutherford (Rutherford-Pope Valley road) 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
  CAS-BOT-BC439374  Claytonia gypsophiloides L. R. Abrams 1928-5-3 12241 Napa Summit St. Helena Grade Comment
  JEPS43271  Claytonia gypsophiloides W. L. Jepson 1897-5-2 Napa near Calistoga (Rebecca Ranch grade); Upper Napa Valley Comment
  JEPS48651  Claytonia gypsophiloides Elsa Kraeger 1926-3-28 Napa 0.5 mi from St. Helena Inn Comment
  POM161337  Claytonia gypsophiloides Rimo C. Bacigalupi 1926-3-28 1269 Napa Patton s Toll House along old road. Comment
  UCD20831  Claytonia perfoliata N. Nicola 2001-3-30 047 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  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-BC440043  Claytonia perfoliata subsp. perfoliata Elsa G. Ruckert 1960-2-7 10 Napa 6495 Dry Creek Road. Field, 300 yards east of house 365 Comment
  UCD95605  Clematis lasiantha Beecher Crampton 1970-4-15 8562 Napa 1 mile west Monticello Dam. State Hwy. 128. Comment
  JEPS110884  Clematis ligusticifolia Jake Ruygt 1998-8-29 4111 Napa Berryessa-Knoxville Road at crossing of Eticuera Creek. 216 Comment
  UC917146  Clematis ligusticifolia H. Popenoe 1949-6-4 32 Napa 11 1/2 mi. from Winters (on rd. to Monticello) Comment
  JEPS5104  Collinsia greenei Milo S. Baker 1936-4 8581 Napa a few mi e Pope Val. (along Cape Val. Hwy from Monticello) Comment
  UCD123662  Collinsia sparsiflora G. L. Webster 1967-3-23 7495 Napa ca. 1 mi S of Spanish Flat. 167 Comment
  UCD71289  Collinsia sparsiflora Kook-Hyun Chung 2001-4-28 6 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; Along West Road, Ca. 0.45 miles(2400ft) NW of jct with South Decker Canyon Road; down slope of road ca. 20 m, On edge of opening interior live oak woodland; flower purple with white center, annual 242 Comment
  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
  SFV8689  Collinsia sparsiflora var. arvensis S. Logan 1965-3-19 1 Napa Dollarhide Road about 3 miles east of Pope Valley. Comment
  UC138690  Collinsia sparsiflora var. arvensis C. F. Baker 1903-4-19 1984 Napa Pacific Coast, Calistoga Calistoga; Pacific Coast, Calistoga Comment
  UC672472  Collinsia sparsiflora var. arvensis A. E. Borell 1928-4-13 118 Napa 10 mi sw Calistoga Comment
  UCD123669  Collinsia sparsiflora var. sparsiflora M. N. Artist 1965-3-15 17 Napa dirt road just north side of State Highway 128, just east of Markley Cove at Lake Berryessa. Comment
  UCSB19121  Collinsia sparsiflora var. sparsiflora Rankine, Jane 1965-4-13 Napa road to Angwin; 3 miles W of Pope Valley Comment
  JEPS112527  Collinsia tinctoria Jake Ruygt 1978-5-21 325 Napa 2.2 miles north of Chiles-Pope Valley Rd on Sage Canyon Rd. 134 Comment
  SEINET2444680 Image available Collomia diversifolia Dean W. Taylor 1998-6-18 16671 Napa Butts Canyon. Small side canyon 0.5 mi above (north of) mouth into Pope Valley.; 0 290 Comment
  UCD127325  Conium maculatum R. Tofsrud 1948-7-15 s.n. Napa Yountville. Comment
  JEPS6810  Cordylanthus pilosus subsp. pilosus Willis L. Jepson 1894-10-14 21346 Napa Rebecca Ranch grade Calistoga Comment
  JEPS6633  Cordylanthus pilosus subsp. pilosus R. F. Hoover 1938-9-23 3859 Napa foothills e St. Helena Comment
  JEPS6809  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1898-1-4 21347 Napa Howell Mt. Napa Range 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
  RSA537658  Cordylanthus pilosus subsp. pilosus T. I. Chuang, F. M. Chuang, Carl Chuang 1972-7-22 7073 Napa 2 mi. N. of St. Helena. Comment
  JEPS62598  Cordylanthus pringlei T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 B Napa just s Napa and Lake County line (on US Hwy 29) Comment
  JEPS62596  Cordylanthus pringlei T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 Napa 0.9 mi n Napa and Lake County line (on US Hwy 29) Comment
  JEPS6645  Cordylanthus pringlei R. F. Hoover 1938-9-3 3793 Napa e side Mt. St. Helena Comment
  RSA201598  Cordylanthus pringlei Robert F. Hoover 1966-8-23 9922 Napa East side of Mt. St. Helena, abotu 0.5 miles south of Lake Co. line. Comment
  JEPS112549  Cordylanthus tenuis subsp. brunneus Jake Ruygt 1986-6-1 1802 Napa Mt. St. Helena; HWY 29 near Lake Co. line 502 Comment
  JEPS62597  Cordylanthus tenuis subsp. brunneus T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 A Napa just s of Napa and Lake County Line (on U.S. Highway 29); U.S. Highway 29 Comment
  CAS-BOT-BC209798  Cornus glabrata John Thomas Howell 1939-5-7 14654 Napa 3 1/2 miles from Knoxville on road to Lower Lake Comment
  CAS-BOT-BC209801  Cornus glabrata Peter H. Raven 1951-6-26 3089 Napa Along Cappell Ck., Cappell Valley to Wooden Valley 274 Comment
  HSC38389  Cornus glabrata J. P. Smith, J. O. Sawyer 1970-5-17 3791 Napa 12 mi. N of Pope Valley. Comment
Read comments
Jun 12 2012
  RSA41989  Cornus glabrata Ella Dales Cantelow 1939-5-7 2530 Napa 3.5 miles S.E. of Knoxville. Comment
  JEPS106395  Cornus nuttallii Jake Ruygt 1990-4-28 2510 Napa Livermore Rd. about 1/2 mile from HWY 29 524 Comment
  JEPS48543  Cornus nuttallii Elsa Kraeger 1926-3-28 Napa roadside below St. Helena Inn Mt. St. Helena Comment
  SEINET3089139 Image available Cornus nuttallii Royal D. Suttkus 1967-6-26 67- 30 -15 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UC21525  Cornus nuttallii Willis L. Jepson 1893-1 Napa Toll-house Mt. St. Helena; Napa R. Basin, Mt. St. Helena Comment
  UC796621  Cornus nuttallii Ira L. Wiggins 1949-4-30 12090 Napa along draw on n.e. flank of Mt. St. Helena 914 Comment
  JEPS106394  Cornus sericea subsp. sericea Jake Ruygt 1998-6-13 4022 Napa Milliken Creek south of Foss Valley. 405 Comment
  UC166028  Crassula aquatica Joseph P. Tracy May 15 1903-May 18 1903 1854 1/2 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 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
  UCD161216  Crocanthemum scoparium Jake Ruygt 1989-7-1 2393 Napa Mt. Vaca. 755 Comment
  UCD36950  Crocanthemum scoparium Beecher Crampton 1956-5-25 3480 Napa Howell Mountains, above southwest corner of Wooden Valley. Comment
  JEPS31093  Crocanthemum scoparium var. vulgare W. L. Jepson 1938-5-20 18804 Napa slope above St. Helena Sanitarium (open slope above vineyard); Howell Mountain Comment
  CHSC102273  Crypsis schoenoides Lowell Ahart 2009-10-12 16462 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCR146405  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa Inner North Coast Ranges, 4 miles east of Rutherford, Conn Reservoir 122 Comment
  RSA0020855  Crypsis schoenoides David J. Keil 1986-11-8 19798 Napa Along Lake Berryessa Knoxville Road near Knoxville. 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill. 350 Comment
  UCD37519  Crypsis vaginiflora Beecher Crampton 1954-10-26 2302 Napa South Napa. Comment
  JEPS106755  Cryptantha flaccida Jake Ruygt 1998-5-2 3947 Napa Chiles Canyon near white stone bridge. 146 Comment
  UC1239659  Cryptantha flaccida J. P. Tracy 1899-6-11 438 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD170358  Cryptantha flaccida Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 857 Napa Knoxville Wildlife Area, northeast of Zim Zim Falls. 456 Comment
  SEINET4856108  Cryptantha hispidula Carl F. Baker 1903-5-8 2966 Napa Knoxville. Comment
  UC55902  Cryptantha hispidula J. P. Tracy 1902-5-21 1575 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 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
  UCD170433  Cryptantha hispidula Daniel Potter; Peter Lash 2017-3-28 905 Napa Knoxville Wildlife Area, on road on ridge above and east of upper Zim Zim Creek drainage, west of Berryessa-Knoxville Road. 537 Comment
  HSC81994  Cryptantha hispidula Thomas W. Nelson, Jane P. Nelson 1980-5-3 5160 Napa Junction of Butts Canyon Rd. and Snell Valley Rd. 197 Comment
  RSA0001775  Cryptantha hispidula C. F. Baker 1903-5-8 2966 Napa Knoxville. Comment
  UC1245380  Cryptantha hispidula Joseph P. Tracy 1950-5-23 18682 Napa near head of Moores Creek; Howell Mountain, Las Posadas State Forest 335 Comment
  UCD119813  Cryptantha hispidula Robert E. Preston 1988-4-10 574 Napa 0.4 mile southwest of the confluence of Putah Creek and Hunting Creek, on a southeast-facing serpentine slope. 268 Comment
  UC857196  Cryptantha muricata M. S. Jussel 1937-5-23 Napa Palisades Comment
  UCD74371  Cryptantha muricata Jake Ruygt 2004-5-29 4607 Napa Van Ness Canyon near old hunting camp. 579 Comment
  UCD110850  Cupressus macnabiana Christopher Mallek 2008-1 AS- 1 Napa Aetna Springs. 668 Comment
  CHSC109722  Cupressus sargentii L. R. Abrams 1926-5-4 12282 Napa County line, Napa - Lake County. Comment
  RSA352387  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-16 6193 Napa Above Aetna Springs about 0.5 mile southwest of Quicksilver Mine 457 Comment
  RSA352388  Cupressus sargentii P. H. Raven 1965-5-16 20209 Napa Cedar Valley, vicinity of Knoxville 610 Comment
  UCD133660  Cupressus sargentii C. B. Wolf; E. R. Johnson 1934-10-16 6193 Napa Above Aetna Springs about .5 mi. SW of Quicksilver Mine. 457 Comment
  UCD160762  Cuscuta Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8632 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  JEPS120413  Cuscuta Jake Ruygt 2010-6-19 5608 Napa Berryessa-Knoxville Rd. north of Knoxvile site, at vernal pool. Comment
  CAS-BOT-BC224537  Cuscuta californica John Thomas Howell 1933-8-27 11648 Napa East of Chiles Valley on road to Winters, Napa Range Comment
  CAS-BOT-BC224539  Cuscuta californica Peter H. Raven 1952-6-28 4205 Napa Conn Valley 152 Comment
  UCD170278  Cuscuta howelliana Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 812 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 637 Comment
  UCD170456  Cuscuta howelliana Daniel Potter; Ninh Khuu 2016-6-8 885 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  JEPS47095  Cuscuta indecora W. L. Jepson 1930-10-19 15703 Napa Butts Canyon Comment
  SEINET891444  Cuscuta subinclusa Harley P. Chandler 1906-1 7124 Napa Alta Loma Ranch. Howell Mountain. 487 Comment
  UCD117918  Cynoglossum grande Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd., in between entrance and fire station. 520 Comment
  CAS-BOT-BC190361  Cynosurus echinatus Peter H. Raven 1950-6-20 2352 Napa On the west side of Howell Mountain. Comment
  JEPS121348  Cyperus difformis Jake Ruygt 1987-9-24 2096 Napa Marina Drive, Napa. Comment
  CAS-BOT-BC114677  Cyperus eragrostis Peter H. Raven 1951-10-28 3964 Napa Oakville to Yountville 91 Comment
  UCD19926  Cyperus eragrostis E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 781 Napa Quail Ridge Reserve. Decker Bay trail. 137 Comment
  UCD20706  Cyperus eragrostis Mark Bibbo 2002-7-28 76 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  CAS-BOT-BC114676  Cyperus eragrostis Betty H. Johnson 1958-6-20 s.n. Napa Along moist sandy edge of stream, near Mt. Mill House, 6.4 mi SW of Middletown. Comment
  CAS-BOT-BC114679  Cyperus eragrostis Kate E. Phelps 1930-7-1 s.n. Napa Sanitarium Comment
  CAS-BOT-BC114681  Cyperus eragrostis Adolph Daniel Edward Elmer 1903-7-1 4656 Napa Napa Comment
  JEPS75995  Cyperus eragrostis W. L. Jepson 1936-6-2 17602 Napa Pratt Valley, St. Helena Comment
  UC579871  Cyperus eragrostis Annetta Carter 1935-12-1 1018 Napa w. side Wooden Valley Grade Comment
  OBI72042  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7965 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Crk in North Coast Range, E of boat-launching ramp on SE edge 91 Comment
  UCD45022  Cyperus erythrorhizos A. Solomeshch 2004-9-19 s.n. Napa Shores of Lake Berryessa, ca. 1 mile from Monticello Dam, along Hwy 128. 134 Comment
  RSA92354  Cyperus erythrorhizos Beecher Crampton 1954-10-26 2299 Napa Conn Reservoir, 4 miles east of Rutherford Comment
  JEPS121341  Cyperus niger Jake Ruygt 1986-7-29 1889 Napa Milliken Drive, Silverado Country Club. Comment
  JEPS129139  Cyperus squarrosus Jake Ruygt 1998-7-18 4096 Napa Bear Valley at pond. Detert Reservoir 7.5' Quad. Comment
  JEPS103990  Cystopteris fragilis Jake Ruygt 1993-3-6 3167 Napa Skyline Park, Skyline trail. 85 Comment
  JEPS110931  Damasonium californicum Jake Ruygt 1982-6-13 1321 Napa Pope Canyon Rd. , (vernal pond) 185 Comment
  JEPS122991  Danthonia californica Jake Ruygt 1988-5-28 2188 Napa Lovall Valley Road near county line. Quad: Sonoma. Comment
  UCD127396  Daucus carota R. Tofsrud 1948-6-15 s.n. Napa Exact location unknown. Comment
  CDA10903  Daucus pusillus G. F. Hrusa, M. Rejmanek 1993-5-15 10999 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD160779  Daucus pusillus Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8659 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
  SEINET5337981  Delphinium decorum J. Tracy 1902-5-15 1475 Napa On hills at head of Moore's Creek, 3-4 mi. E of Angwin's. 366 Comment
  POM161348  Delphinium hesperium Rimo Bacigalupi 1928-6-20 1856 Napa Howell Mt, 10 miles W of St Helena Comment
  CAS-BOT-BC10196  Delphinium hesperium Clara A. Hunt 1923-4-1 s.n. Napa Mts. near St. Helena Comment
  CAS-BOT-BC10200  Delphinium hesperium H. Lewis; G. Mehlquist 1941-5-9 s.n. Napa Monticello to Napa road, 1.5 miles S of road to St. Helena Comment
  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
  SEINET13094844  Delphinium hesperium f. pallescens Joseph Andorfer Ewan 1934-1 8835 Napa Along Steel Canyon Rd. 1/2 mi. from jct. with Monticello-Winters Rd. Comment
  CAS-BOT-BC10111  Delphinium hesperium subsp. pallescens David Daniels Keck 1933-5-29 2366 Napa Pope Creek bridge south of Walters Springs Comment
  UCD74352  Delphinium hesperium subsp. pallescens G. Ledyard Stebbins 1967-5-30 6523 Napa Cedar Valley, south of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC9818  Delphinium nudicaule C. F. Baker 1903-4-20 2620 Napa Mt. St. Helena Comment
  CAS-BOT-BC9819  Delphinium nudicaule Betty H. Johnson 1958-6-8 597 Napa Near St. Helena River, 6.4 mi. SW of Middletown Comment
  CDA11174  Delphinium nudicaule G. F. Hrusa 1988-4-16 5538 Napa North Coast Biodiversity Arena; Hwy. 128 ~ 2 miles S of Lower Chiles Valley Rd. 140 Comment
  JEPS23353  Delphinium nudicaule Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Comment
  RSA10691  Delphinium nudicaule Carl B. Wolf 1928-5-3 1796 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC614383  Delphinium nudicaule L. Constance 1938-3-27 2041 Napa e slope of mts above Wooden Valley (8 mi ne of Napa); North Coast Ranges, Howell Mountains 457 Comment
  UC635357  Delphinium nudicaule H. L. Mason 1926-3-14 2723 Napa Mount Saint Helena Comment
  RSA155464  Delphinium nudicaule L. S. Rose 1961-3-30 61027 Napa 1 mile N of Conn Reservoir, Lake Henessy. 152 Comment
  UC906516  Delphinium nudicaule J. Ewan 1934-3-18 8662 Napa 5 mi above Napa (side gulch); Sarco Creek Comment
  CAS-BOT-BC116493  Delphinium patens subsp. patens C. B. Wolf 1928-5-3 1834 Napa base of Mt. St. Helena Comment
  JEPS100274  Delphinium uliginosum Dean W. Taylor 2001-5-15 17648 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS110981  Delphinium uliginosum Jake Ruygt 1978-5-21 331 Napa 6.3 miles north of Sage Canyon Rd. on Chiles and Pope V. Rd 237 Comment
  JEPS23343  Delphinium uliginosum J. P. Tracy 1899-6-13 354 Napa Howell Mt. Comment
  SEINET7041066  Delphinium uliginosum Christopher T. Ivey 2002-5-17 357 Napa West side of Chiles-Pope Valley Road, 4.2 miles south of Pope Canyon Road. Comment
  CAS-BOT-BC7912  Delphinium variegatum Peter H. Raven 1953-5-2 5381 Napa Hills due E of Yountville 243 Comment
  CAS-BOT-BC7911  Delphinium variegatum Ella D. Cantelow 1939-4-8 2523 Napa Pope Creek, near Jct. of Samuel's Springs Road Comment
  JEPS23364  Delphinium variegatum subsp. variegatum Willis L. Jepson 1893-5-1 Napa hills near Calistoga; Napa River Basin, Upper Napa Valley Comment
  UC638504  Delphinium variegatum subsp. variegatum Mildred Mathias 1938-4-24 1336 Napa slopes above road on e side of mt. Mount St. Helena 457 Comment
  UC1126377  Dendromecon rigida A. E. Wieslander 1931-5-11 183 Napa n slope of mountain n Calistoga; Calistoga Quadrangle, Mt. St. Helena 731 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
  UCD61153  Deschampsia cespitosa Beecher Crampton 1957-5-8 4000 Napa Above Capell Creek, north end of Capell Valley. Comment
  UCD170464  Deschampsia cespitosa subsp. cespitosa Daniel Potter; Ninh Khuu 2016-6-18 893 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 433 Comment
  UCR43202  Deschampsia cespitosa subsp. cespitosa L. F. LaPre 1985-6-8 s.n. Napa Inner N Coast Ranges, 'Rare Plant Canyon,' a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville and just east of the Lake Co. line 366 Comment
  SEINET200211 Image available Deschampsia danthonioides P. H. Raven 1957-5-5 10746 Napa About alkaline springs near airport Calistoga 91 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
  UC187273  Deschampsia danthonioides Joseph P. Tracy 1902-5-21 1605 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 335 Comment
  UC187274  Deschampsia danthonioides Joseph P. Tracy 1903-5-15 1854 Napa near Calistoga Northern Coast Ranges, Napa Valley 91 Comment
  POM262788  Deschampsia elongata J. C. Roos 1939-7-16 270 Napa Howell Mountain 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
  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
  SFV8407  Dichelostemma capitatum L. Dodge 1974-4-13 10 Napa Wallace Hardin Ranch, 3.9 miles northeast of junction of Pope Canyon Road and Chiles Valley Road. 183 Comment
  UCD148795  Dichelostemma capitatum Ellen Dean; Diana Hickson 2014-4-29 8103 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  CAS-BOT-BC499422  Dichelostemma capitatum H. C. Cantelow 1939-4-8 3923 Napa 2.5 mi. n. w. of Knoxville Comment
  JEPS110908  Dichelostemma capitatum subsp. capitatum Jake Ruygt 1982-2-24 1107 Napa Calistoga Grade, Mt. St. Helena 350 Comment
  UCD148244  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2013-4-6 2905 Napa Calistoga, on N side of old landing strip, at east end. 104 Comment
  UCD159913  Dichelostemma capitatum subsp. capitatum Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. West section. Near Q43. 243 Comment
  UCD169882  Dichelostemma capitatum subsp. capitatum Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 728 Napa Knoxville Wildlife Area. 352 Comment
  SEINET5725241 Image available Dichelostemma capitatum subsp. capitatum Jill Bockus 1974-1 2 Napa Wallace Hardin Ranch, 3 miles northeast of Pope Valley, 3.9 miles northeast of south end of Pope Canyon Road and Chilies Road Intersection; Pope Valley 183 Comment
  UCD160772  Dichelostemma volubile Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8651 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
  RSA183470  Dichelostemma volubile Michael Flescher 1965-5-13 13 -10 Napa Along Zim Zim Creek, near Cedar Valley, N of Lake Berryessa off the road from Knoxville to Lower Lake. Comment
  CHSC83411  Diplacus aurantiacus L. P. Janeway; B. Castro 2002-5-12 7547 Napa Inner North Coast Ranges. Northeast-facing slope along Devilhead Road 0.8 km south of Berryessa-Knoxville Road and Knoxville Creek. 488 Comment
  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-BC153282  Diplacus kelloggii Maxine Wilkes 1940-5-1 s.n. Napa Mt. St. Helena Comment
  UC126466  Dipsacus fullonum Harley P. Chandler Sept. 7 to 14, 1906 7130 Napa Alta Loma Ranch Howell Mountain 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
  CAS-BOT-BC208622  Distichlis spicata Alice Eastwood 1915-6-5 4635 Napa Calistoga Comment
  UCD64468  Distichlis spicata A. A. Beetle 1946-5-7 4260 Napa 2 miles N of Calistoga at Myrtledale Hot Springs. Comment
  RSA15626  Dodecatheon hendersonii Carl B. Wolf 1928-2-25 1480 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UC1178842  Dodecatheon hendersonii Herbert L. Mason 1926-3-14 2717 Napa sw slope Mt. St. Helena Comment
  UCD15063  Dodecatheon hendersonii Julie Knorr 1977-4-16 6 Napa California, Napa Co.; along Highway 128, 6.4 miles west of Monticello Dam; Comment
  UCD15065  Dodecatheon hendersonii Gail Matson 1977-4-16 23 Napa Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam. Comment
  UCD147463  Downingia Ellen Dean; Diana Hickson 2014-4-29 8076 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS106562  Downingia concolor var. concolor Jake Ruygt 1986-4-26 1733 Napa 4.5 miles northof Westgate Dr. on Atlas Peak rd. 446 Comment
  JEPS106563  Downingia concolor var. concolor Jake Ruygt 1982-5-12 1240 Napa east of Rocktram, west of HWY 221, Suscol Plain 3 Comment
  UCD148768  Downingia concolor var. concolor Jake Ruygt 1982-6-13 1322 Napa Napa County; Pope Canyon Rd., near large vernal pond on south side of road. 185 Comment
  JEPS129169  Downingia cuspidata Jake Ruygt 2015-5-2 6086 a Napa West of Buck Mountain near Nevada. Knoxville 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
  CAS-BOT-BC41388  Draba verna Rimo Bacigalupi 1924-2-22 s.n. Napa Toll House. Mount Saint Helena. Comment
  RSA123326  Drymocallis glandulosa var. glandulosa B. O. Schreiber 1936-3-5 2202 Napa 1.5 miles W of Calistoga 152 Comment
  UC1201283  Dryopteris arguta Florence E. Harrison 1941-7-19 Napa roadside between Christian Brothers and Lokoya Comment
  UC608384  Dudleya cymosa B. O. Schreiber 1938-4-24 2505 Napa 1/2 mi nw Knoxville; Reiff Quadrangle 609 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
  RSA123460  Echinochloa crus-pavonis B. O. Schreiber 1936-8-16 2325 Napa 0.8 mile south of Yountville 152 Comment
  CHSC102282  Eclipta prostrata Lowell Ahart 2009-10-27 16478 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. 130 Comment
  CAS-BOT-BC291129  Eclipta prostrata Peter H. Raven 1951-10-28 3941 Napa Conn Lake 152 Comment
  JEPS121360  Eleocharis acicularis var. acicularis Jake Ruygt 1992-5-18 2976 Napa Yountville Ecological Reserve, Yountville. Comment
  UCD161710  Eleocharis engelmannii Jake Ruygt 2010-8-7 5699 Napa Friesen Lakes, Dear Lake. 594 Comment
  RSA125599  Eleocharis rostellata Peter H. Raven 1957-5-5 17053 Napa Calistoga 91 Comment
  CAS-BOT-BC203833  Elymus X hansenii Peter H. Raven 1952-6-28 4206 Napa Conn Valley 137 Comment
  UCD170450  Elymus ponticus Daniel Potter; Ninh Khuu 2016-6-8 879 Napa Knoxville Wildlife Area, flat grassy area just east of Berryessa-Knoxville Road, just south of barn. 235 Comment
  UCD37943  Elymus trachycaulus Beecher Crampton 1962-5-16 6423 Napa Napa County, 6.4 miles south of Pope Valley, western slope of Chiles Valley. Comment
  UCD159910  Emmenanthe penduliflora Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section. Near Q58 or Q59. 243 Comment
  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
  SD7370  Epilobium brachycarpum Daniel Cleveland 1882-8-28 Napa Springs (see supplement) Comment
  UC1198502  Epilobium campestre Joseph P. Tracy 1938-6-6 15841 Napa between Napa City and Yountville; Napa valley 30 Comment
  UC221421  Epilobium canum subsp. canum H. M. Hall 1923-10-12 11924 Napa 16 mi w Monticello (on road to Lower Lake) Comment
  CAS-BOT-BC171955  Epilobium canum subsp. latifolium Philip A. Munz 1947-10-10 12215 Napa 11 miles east of Rutherford on road to Winters, Inner Coast Ranges Comment
  UCR44915  Epilobium ciliatum L. F. LaPre, R. Bjork 1986-7-11 s.n. Napa Inner North Coast Ranges, Tributary to Hunting Creek, 1 mi south of Dunningan Hill, near the Lake Co. line 400 Comment
  JEPS129092  Epilobium foliosum Jake Ruygt 2016-4-26 6210 Napa Amy's Grove, Dry Creek Road. Rutherford 7.5' Quad. Comment
  UC1278002  Epilobium minutum B. Crampton 1957-6-4 4091 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  JEPS120437  Epipactis gigantea Jake Ruygt 1980-5-21 896 Napa 4.2 miles north of Monticello Rd. on HWY 128. Comment
  UC1004708  Epipactis gigantea J. M. Tucker 1954-6-13 2709 Napa 3.5 mi above Recreation Beach; Putah Creek Comment
  UCD138932  Epipactis gigantea Stephen Clement 1973-5-18 65 Napa at the junction of Snell Valley Road and Butts Canyon Road. 274 Comment
  CAS-BOT-BC58023  Equisetum Elsa G. Ruckert 1960-3-26 44 Napa Dry Creek Road, near water tank from spring at the gate. 365 Comment
  JEPS116560  Equisetum laevigatum Jake Ruygt 1996-4-22 3621 Napa Sheehy Creek at Executive Court. Cuttings Wharf 7.5' Quad. 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
  UCD20707  Eragrostis hypnoides Mark Bibbo 2002-7-28 77 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  UCD164817  Eragrostis hypnoides Jake Ruygt 2012-9-15 5880 Napa Putah Creek south of Berryessa Estates 131 Comment
  CAS-BOT-BC293619  Erigeron biolettii Peter H. Raven 1951-8-21 3867 Napa Ridge se. of Mt. Veeder 670 Comment
  UC126554  Erigeron biolettii Harley P. Chandler Sep 7 1906-Sep 14 1906 7134 Napa Alta Loma Ranch 487 Comment
  JEPS41411  Erigeron greenei R. F. Hoover 1941-8-24 5572 Napa e side Mt. St. Helena Comment
  RSA8549  Erigeron greenei J. T. Howell 1933-8-27 11625 Napa Sage Canyon, Napa Range. Comment
  JEPS68365  Erigeron petrophilus var. petrophilus L. R. Heckard 1972-6-26 2999 Napa se of lookout on peak Mt. St. Helena (below radar station) 1188 Comment
  UCD161621  Erigeron petrophilus var. petrophilus Jake Ruygt 2004-8-28 4652 Napa southwest of Bear Valley on ridge, east of 'Cub Valley'. 719 Comment
  UCD132044  Erigeron philadelphicus var. philadelphicus M. Wiesendanger 1926-4-1 1497 Napa Exact location unknown. Comment
  UCD160731  Erigeron reductus var. angustatus Ellen Dean 2015-5-23 8783 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  CAS-BOT-BC216032  Eriodictyon californicum R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6672 a Napa 7 mi. NE of Pacific Union college (Howell Mt.) on road to Aetna Springs Comment
  UCD119300  Eriodictyon californicum M. R. Wanzer 1948-5-16 16 Napa Putah Canyon, 12.5 miles west of Winters. Comment
  UCD164480  Eriodictyon californicum J. A. Johnston 1995-5-19 26 Napa Found alongside fire road at Quail Ridge, off of Hwy 128 approximately 1.5 miles west of Markley Cove on Lake Berryessa. Comment
  UCD49079  Eriodictyon californicum K. Mogel; B. Pekin and M. Higley 2002-5-4 17 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 400 ft. along the upper road that leads to the power lines; on side of road. 335 Comment
  UCD49087  Eriodictyon californicum Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd., ca. 0.45 'as the crow flies' miles (2,400 ft.) NW of jct. with S. Decker Canyon Rd. 237 Comment
  UCD73429  Eriodictyon californicum 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-BC242605  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, near Chiles School, Napa Mountains Comment
  UC535080  Eriogonum gracile Susan G. Stokes 1933-8-27 82 Napa Sage Canyon Napa Mountains, Sage Canyon Comment
  CAS-BOT-BC266068  Eriogonum luteolum James L. Reveal 1987-6-7 6411 Napa Along Oakville Grade, 1.5 miles southwest of Oakville, about 6 airline miles south of St. Helena 243 Comment
  CAS-BOT-BC266070  Eriogonum luteolum Peter H. Raven 1951-5-20 2851 Napa Hills W. Oakville 548 Comment
  UCD16010  Eriogonum luteolum L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 6 Napa McLaughlin Reserve, McLaughlin Reserve, east side of Devilhead Road 38 deg. 49' 11'' N, 122 deg. 21' 13'' W; 530 m. Comment
  LA206912  Eriogonum luteolum var. luteolum Susan G. Stokes; 1933-8-27 80 Napa Sage Canyon, Napa Mountains Comment
  UCD164784  Eriogonum luteolum var. luteolum Jake Ruygt 2009-6-18 5441 Napa Chiles-Pope Valley Rd. 286 Comment
  UC6527  Eriogonum luteolum var. luteolum H. N. Bolander 1863-9-20 2639 Napa Napa Comment
  CAS-BOT-BC124286  Eriogonum nudum var. nudum Susan Gabriella Stokes 1933-8-27 88 Napa Near Chiles Valley, Napa Range Comment
  RSA766355  Eriogonum nudum var. nudum Joseph A. Ewan 1933-9-17 8001 Napa Near Stevenson Monument, Mt St Helena Comment
  JEPS110856  Eriogonum umbellatum var. bahiiforme Jake Ruygt 1980-6-21 935 Napa Bear Valley 621 Comment
  JEPS41069  Eriogonum vimineum Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9106 Napa 1 mi n, along Devilhead Road Zim Zim Creek (about 3 mi sw of Knoxville) 487 Comment
  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-BC298510  Eriophyllum confertiflorum John Thomas Howell 1941-6-21 16313 Napa Hills SW of St Helena Comment
  UCD15493  Eriophyllum lanatum Fred Tulley 1984-4-28 7 Napa State Rte 29, about 5 miles north of Calistoga. 243 Comment
  UCD48638  Eriophyllum lanatum K. Mogel; B. Pekin and M. Higley 2002-5-4 3 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 100 ft. along the lower road that leads to the power lines; immediately downslope of road. 335 Comment
  UCD48640  Eriophyllum lanatum M. Eng; W. Wong, N. Wannlund, A Holman 2002-5-4 2 Napa Quail Ridge UC Reserve, northern top of ridge, N of intersection of West and East roads, on trailside, along lower road leading to power lines, 100 ft. W of lat./long. 335 Comment
  CAS-BOT-BC301052  Eriophyllum lanatum var. achilleoides L. R. Abrams 1928-5-4 12284 Napa 4 mi. south of Middletown Comment
  CAS-BOT-BC301056  Eriophyllum lanatum var. achilleoides Peter H. Raven 1950-6-20 2373 Napa In the Napa Range between Conn Valley & Howell Mts. Comment
  CAS-BOT-BC301046  Eriophyllum lanatum var. achilleoides S. Saufferer 1973-5-24 222 Napa About 5 mi. northeast of Calistoga along Highway #29 Comment
  CAS-BOT-BC301047  Eriophyllum lanatum var. achilleoides C. B. Wolf 1928-2-25 1487 Napa On the Mt. St. Helena Grade 2 miles below Hawkins Mountain Camp Comment
  CAS-BOT-BC301057  Eriophyllum lanatum var. achilleoides John Thomas Howell 1927-8-24 3052 A Napa Between Mirabel and Mt. St. Helena Inn, canyon of St. Helena Creek Comment
  CAS-BOT-BC301059  Eriophyllum lanatum var. achilleoides Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  HSC42203  Eriophyllum lanatum var. achilleoides S. Saufferer 1973-5-24 222 Napa About 5 mi. NE of Calistoga along Hwy. 29 Comment
  JEPS61367  Erodium botrys W. L. Jepson 1923-4-29 9884 Napa St. Helena Comment
  JEPS106525  Erodium brachycarpum Jake Ruygt 1991-4-20 2629 Napa Cooksley Lake, Friesen's Lakes,Angwin 615 Comment
  JEPS61368  Erodium brachycarpum W. L. Jepson 1924-4-6 10325 Napa Napa Valley, Conn Creek Conn Creek; Napa Valley, Conn Creek Comment
  RSA161146  Eruca vesicaria subsp. sativa P. H. Raven 1957-5-5 10785 Napa Calistoga 91 Comment
  UCD170346  Eryngium Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 845 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 586 Comment
  UCD170364  Eryngium Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 862 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  UC648290  Eryngium aristulatum var. aristulatum John Thomas Howell 1933-9-3 11655 Napa 6 mi. n. Vallejo Comment
  CAS-BOT-BC54302  Erysimum capitatum John Thomas Howell 1931-4-2 6086 Napa Summit of Wooden Valley Grade, 8 miles east of Napa. Comment
  CAS-BOT-BC54303  Erysimum capitatum H. L. Mason 1926-3-14 2725 Napa Mount Saint Helena. Comment
  CAS-BOT-BC54304  Erysimum capitatum David D. Keck 1931-4-2 1031 Napa Wooden Valley road, east side of Napa Range, 8 miles from Napa. Comment
  CAS-BOT-BC54305  Erysimum capitatum Mrs. H. C. Cantelow 1939-4-8 s.n. Napa Knoxville. Comment
  UC917132  Erysimum capitatum W. M. Grannell 1950-4-27 2 Napa rocky hillside Putah Canyon Comment
  POM225553  Erysimum capitatum var. capitatum J. T. Howell 1931-4-2 6086 Napa Summit of Wooden Valley Grade, 8 miles east of Napa. Comment
  UCSC009038  Erythranthe guttata Dylan M. Neubauer 2015-4-26 140 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  SEINET8255130  Erythranthe microphylla L. Constance 1938-3-27 2040 Napa above Wooden Valley 8 mi. ne. of Napa. e. slope of Howell Mountains, North Coast Ranges. 457 Comment
  SEINET8380160  Erythranthe microphylla C. G. Baughn 1949-4-24 21 Napa beside Highway 12, 3 1/4 miles northwest of Cordelia. Comment
  SEINET10953573  Erythranthe nasuta George Thurber Thurber 498 Napa Comment
  SEINET13727996 Image available Erythranthe nudata J. M. Tucker 1965-1 3826 Napa Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  SEINET8405337  Erythranthe nudata J. M. Tucker 1965-5-15 3826 Napa Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  JEPS120345  Erythronium helenae Jake Ruygt 2003-3-22 4480 Napa Snell Valley/Missimer Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  RSA176484  Erythronium helenae Elmer I. Applegate 1932-3-22 7031 Napa Volcanic crater region of Mount St. Helena, just east of the Palisades on the Old Stage Road Comment
  UCD69385  Erythronium helenae R. B. Kimsey; L. S. Kimsey 1997-5-3 s.n. Napa A half mile west of Aetna Spring, on Sugar Loaf Mountain. Comment
  RSA0000341  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mt. Helena, northern Napa County. Comment
  CAS-BOT-BC402802  Eschscholzia caespitosa David D. Keck 1931-4-2 1043 Napa Near Cannon House, Steel Canyon, 8 miles south of Monticello, eastern Napa County Comment
  UCD73388  Eschscholzia caespitosa Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  UC1005659  Eschscholzia caespitosa Frank W. Gould 1939-4-6 606 Napa 1 mi n Knoxville (on road to Lower Lake) 457 Comment
  UCD34213  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Napa County, Markley Canyon on Hwy 128. Comment
  UCD95262  Eschscholzia caespitosa M. R. Wanzer 1948-5-6 18 Napa in Putah Canyon, 13 miles west of Winters. Comment
  POM182741  Eschscholzia caespitosa subsp. caespitosa D. D. Keck 1931-4-2 1043 Napa Near Cannon House, Steel Canyon, 8 miles south of Monticello, eastern Napa County Comment
  CAS-BOT-BC403333  Eschscholzia californica Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UC126645  Eschscholzia californica Harley P. Chandler Sep 7 1906-Sep 14 1906 7132 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD95321  Eschscholzia californica David Lawfer 1952-4-28 152 Napa Napa. Comment
  RSA31673  Eschscholzia californica var. crocea A. A. Heller 1941-5-16 16125 Napa Knoxville, border of mine dump. Comment
  JEPS52404  Euphorbia peplus W. L. Jepson 1936-7-2 17638 Napa garden borders of Sanitarium Howell Mt. (Howell Mt.); vicinity of San Francisco Bay, Howell Mt. Comment
  UCD142806  Euphorbia serpillifolia Freed W. Hoffman 1946-8-20 856 Napa Soda Creek. Comment
  UCD19328  Euphorbia serpillifolia subsp. serpillifolia M. A. Bibbo; E. Dean 2001-7-6 20 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline on N edge of water hole downslope of the road. 320 Comment
  UCD47964  Euphorbia spathulata Ryan Knox; E, McDermott, and G. Walden 2002-4-13 10 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on north side of road near calcium seep area. 424 Comment
  UCD47965  Euphorbia spathulata Michele Disney; J. Westbrook, S. Ratay,R. Wolfson, A. Houser,S. Wathen 2000-4-22 31 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville road. 396 Comment
  JEPS104530  Eurybia radulina Jake Ruygt 1978-8-29 400 Napa 4.1 miles north of Redwood Rd. on Dry Creek Rd. 91 Comment
  UCD20757  Euthamia occidentalis M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 107 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  JEPS69235  Festuca californica W. L. Jepson 1913-4-15 5315 Napa Howell Mt. 609 Comment
  UC1155258  Festuca californica J. R. Sweeney 1953-5-8 1017 Napa 0.1 mi se Black Oak Villa (1.1 mi from Lake-Napa County line; on Pope Valley road); Butts Canyon Comment
  UCD121157  Festuca californica Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7350 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
  UCD36939  Festuca californica Beecher Crampton 1956-5-25 3459 Napa Vaca Mountains, head of Markley Canyon. Comment
  UCD65830  Festuca californica M. Wiesendanger 1927-5-4 700 Napa Monticello, Napa Road. Comment
  CAS-BOT-BC278345  Festuca californica subsp. californica L. R. Abrams 1928-5-3 12205 Napa St. Helena Grade Comment
  UCD65909  Festuca californica subsp. californica W. E. Wood 1928-4-15 Napa Along road from St. Helena to Pacific Union College. Comment
  UCD65966  Festuca idahoensis Beecher Crampton 1954-5-6 1832 Napa 5 miles south of Monticello. Comment
  UCR146181  Festuca microstachys Beecher Crampton 1961-5-22 5878 Napa Inner North Coast Ranges, Northern end of Capell Valley, along State Highway 128, above Capell Creek 213 Comment
  CAS-BOT-BC278836  Festuca occidentalis Peter H. Raven 1952-5-26 4052 Napa Howell Mt., (e. side) 304 Comment
  JEPS122910  Festuca occidentalis Jake Ruygt 2007-4-15 5149 Napa Las Posadas State Forest, road to north side of Recreation Flat. Quad: Saint Helena. Comment
  POM126174  Festuca occidentalis Joseph P. Tracy 1902-5-18 1544 .5 Napa Head of Moore's Creek, 3-4 miles east of Angwin's. 488 Comment
  CDA10888  Festuca roemeri G. F. Hrusa, M. Rejmanek 1993-5-15 10983 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CAS-BOT-BC279009  Festuca rubra Peter H. Raven 1952-5-31 4152 Napa W. of Rector Dam 182 Comment
  CAS-BOT-BC279010  Festuca rubra Peter H. Raven 1952-5-31 4144 Napa Summit of hills s.w. of Rector Canyon 304 Comment
  RSA132842  Filago californica John H. Thomas 1958-4-19 7110 Napa About 2 miles SW of Oakville. 152 Comment
  RSA51300  Fragaria californica Peter H. Raven 1950-4-5 1742 Napa Wooden Valley Grade above Napa. 457 Comment
  JEPS44880  Fragaria vesca W. L. Jepson 1910-3-28 4021 Napa sw of Calistoga (on Rebecca Ranch grade) Comment
  CAS-BOT-BC53528  Frangula californica subsp. tomentella H. E. McMinn 1922-6-8 200 Napa Pope Canyon Comment
  UCD112794  Frangula californica subsp. tomentella D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. Serpentine chaparral in Capell Creek. 380 Comment
  UCD118521  Frangula californica subsp. tomentella Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD167094  Frangula californica subsp. tomentella Jake Ruygt 2015-7-4 6148 Napa Missimer - Snell Valley Preserve. 177 Comment
  CHSC108737  Fraxinus dipetala B. Castro; L. P. Janeway 2002-5-12 1367 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. Near road edge. 563 Comment
  SEINET6694613 Image available Fraxinus dipetala Evert I. Schlinger 1952-1 69 Napa Samuel Springs, 7 miles northwest of Monticello 91 Comment
  CAS-BOT-BC223529  Fraxinus latifolia Peter H. Raven 1951-8-22 3881 Napa 2 4/10 miles from Lokoya on Napa Rd. 243 Comment
  CAS-BOT-BC223532  Fraxinus latifolia Saichi Kawahara 1968-4-20 335 Napa Spillway at Conn Dam, Highway 128 91 Comment
  UCD122055  Fraxinus latifolia Alton Enloe 1955-5-20 37 Napa Near Putah Creek bed; State Highway 128, ca. 10 miles southwest of Monticello Dam. Comment
  CAS-BOT-BC205886  Fremontodendron californicum E. Ruckert 1960-4-3 66 Napa 6495 Dry Creek Road; on terrace 365 Comment
  CAS-BOT-BC205887  Fremontodendron californicum Walter Knight; Irja Knight 1963-10-20 366 Napa 4.5 mi. north of Knoxville Comment
  CAS-BOT-BC205890  Fremontodendron californicum M. A. Nobs 1939-6-3 s.n. Napa Half way between Monticello and Lower Lake Comment
  POM136142  Fremontodendron californicum C. F. Baker 1903-5-8 2972 Napa Knoxville. Comment
  POM224211  Fremontodendron californicum H. L. Mason 1935-5-30 10009 Napa Four miles north of Knoxville Mines. Comment
  UCD116270  Fremontodendron californicum Beecher Crampton 1970-4-15 8557 Napa North end of Capell Valley, State Hwy. 128. Comment
  CAS-BOT-BC130072  Fritillaria affinis E. Crum 1936-3-15 1740 Napa [Butte's] Butts Canyon, Pope Valley-Middletown Road Comment
  CAS-BOT-BC130077  Fritillaria affinis Mrs. Elizabeth Wright 1922-3-30 s.n. Napa Calistoga Comment
  CAS-BOT-BC130079  Fritillaria affinis Carl B. Wolf 1928-5-3 1836 Napa Base of Mt. St. Helena Comment
  CAS-BOT-BC130081  Fritillaria affinis Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UC421724  Fritillaria affinis Mrs. L. W. McArthur 1930-4-3 Napa Calistoga, Oathill Road summit Calistoga; , Oathill Road Comment
  UCSB679  Fritillaria affinis Keator, Glenn 1959-4-1 Napa 0.4 miles northwest of Napa County line on Highway 128 Comment
  SEINET3154171  Fritillaria coccinea H. P. Chandler 1907-3-6 7503 Napa Reservoir, St. Helena Comment
  SEINET3886765  Fritillaria lanceolata Suzanne E. May 1967-4-2 10 Napa 1 mile west of Monticello Dam, Highway 128.; 0 152 Comment
  CAS-BOT-BC506161  Fritillaria micrantha Loraine Hart; John Barry 1928-4-21 3626 Napa Mount Saint Helena beyond crater east of chamise lilies Comment
  JEPS113964  Fritillaria pluriflora Jake Ruygt 1994-3-5 3404 Napa Paradise Valley. Jericho Valley 7.5' Quad. Comment
  JEPS4951 Image available Fritillaria purdyi Mrs. Elizabeth Cyrus Wright 1919-4-21 Napa Calistoga Comment
  JEPS81599  Fritillaria purdyi R. Raiche 1982-3-7 20205 Napa Junction of Snell Valley Road and Butts Canyon Road Comment
  UC421723  Fritillaria purdyi Mrs. L. M. McArthur 1930-4-3 Napa Calistoga, summit of second range Calistoga Comment
  UC765859  Fritillaria recurva R. F. Hoover 1941-4-26 4939 Napa e side of Mount St. Helena Mount St. Helena Comment
  CAS-BOT-BC508188  Fritillaria recurva Ira L. Wiggins 1949-4-30 12091 Napa eastern slope of Mount St. Helena near Lake County Line Comment
  POM169613  Fritillaria recurva H. P. Chandler 1907-3-6 7503 Napa Reservoir. St. Helena Comment
  RSA0054812  Galium Keith E. Hoffmaster 1946-3-9 1233 Napa Prob. Napa range. Comment
  UCD160741  Galium andrewsii Ellen Dean 2015-5-23 8793 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 240 Comment
  UCD48193  Galium andrewsii subsp. andrewsii Robert Wolfson; J. Westbrook,S. Ratay,A. Houser,M. Disney,S. Wathen 2000-4-22 38 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles South of Berryessa-Knoxville Rd. Along east side of Devilhead Rd, 1st ridge south of Devihead Rd. 518 Comment
  RSA293049  Galium andrewsii subsp. andrewsii Reino Alava, Lincoln Constance, R. Ornduff 1957-5-5 764 Napa Mt St Helena. Comment
  UCD13130  Galium aparine Etienne and Laurie Oleksiewicz 1981-4-18 8 Napa On Knoxville Rd., 8.9 miles north of Pope Canyon Rd., north facing slope. Comment
  UCD67956  Galium aparine Funi Takeda 1977-4-16 5 Napa Hwy. 128, 6.4 mi. sw Monticello Dam, west facing slope. 182 Comment
  UCD67957  Galium aparine Caryn Franscioni 1977-4-24 6 Napa Eticuera Creek, 2.6 mi. SE of Knoxville mine. 304 Comment
  JEPS52706  Galium bolanderi Lauramay T. Dempster and G. L. Stebbins 1963-5-26 3780 C Napa at junction road to Angwin and road to Sanitarium; n of St. Helena Comment
  UCD160729  Galium bolanderi Ellen Dean 2015-5-23 8781 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
  JEPS52650  Galium bolanderi Lauramay T. Dempster 1965-5-15 4093 Napa s Knoxville (n slope); Cedar Valley 609 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
  UC1196107  Galium californicum subsp. californicum Joseph P. Tracy 1899-6-26 426 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UC1196108  Galium californicum subsp. californicum Joseph P. Tracy 1899-7-3 425 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 518 Comment
  UCD73512  Galium divaricatum Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  RSA78600  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa W of Napa Valley betw St. Helena and Mt. St. John. Napa Valley. 229 Comment
  UCD121148  Galium parisiense Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7346 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
  UC1196090  Galium porrigens Joseph P. Tracy 1899-6-26 429 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD121896  Galium porrigens G. F. Hrusa; G. L. Stebbins 1994-4-14 11778 Napa Butts Canyon, 4 m. N Pope Valley. Along Butts Creek. 200 Comment
  UCD168559  Galium porrigens Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  JEPS18279  Galium porrigens var. porrigens Peter H. Raven 1957-5-5 10776 Napa just w Calistoga 182 Comment
  CDA10841  Galium porrigens var. tenue G. F. Hrusa, G. L. Stebbins 1994-4-14 11778 Napa North Coast Biodiversity Arena; along Butts Creek, Butts Canyon, 4 mi. N Pope Valley. Comment
  JEPS6622  Galium porrigens var. tenue W. L. Jepson 1936-4-5 17414 Napa s Knoxville ((probably Zim-Zim Ranch)) Comment
  UC1196096  Galium tricornutum Joseph P. Tracy 1899-6-13 424 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  CHSC108726  Garrya congdonii B. Castro; L. P. Janeway 2002-5-12 1363 Napa Inner North Coast Ranges. SW-facing slope overlooking Pocock Creek along sides of the dirt road from Devilhead Road. 502 Comment
  UC971940  Garrya congdonii C. R. Bell 1952-3-8 1245 Napa 5.8 mi e Pope Valley - Monticello road junction (n of road) Comment
  CAS-BOT-BC144413  Garrya fremontii C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  UC1280974  Garrya fremontii H. E. McMinn 1936-4-4 4380 Napa 3 mi s Angwin; Howell Mt. Comment
  CAS-BOT-BC278654  Gastridium phleoides David D. Keck 1933-5-28 2328 Napa Howell Mountain, 2 miles west of Pacific Union College Comment
  JEPS69269  Gastridium ventricosum Willis L. Jepson 1894-7-19 Napa Napa River Basin Upper Napa Valley; , Upper Napa Valley Comment
  JEPS71221  Gastridium ventricosum W. L. Jepson 1936-7-3 17633 Napa Four Corners Howell Mt.; Napa Range, Howell Mt. Comment
  JEPS76096  Gastridium ventricosum W. L. Jepson 1938-5-25 18866 Napa Bell Canyon Howell Mt.; Napa Range, , Bell Canyon 579 Comment
  CAS-BOT-BC208041  Genista monspessulana M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  JEPS129085  Geranium carolinianum Jake Ruygt 2016-4-23 6205 Napa Wantrup Sanctuary, Hardin Road. Saint Helena 7.5' Quad. Comment
  UCD118532  Geranium dissectum Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, edge of Recreation Flat. 387 Comment
  UCD132710  Geranium purpureum Ramona Robison 2012-4-26 s.n. Napa Bale Grist Mill State Historic Park, in area near parking lot and around historic mill. 115 Comment
  RSA83139  Gilia capitata Verne Grant, Alva Grant 1947-5-11 7985 Napa ca. 8 miles NE of Vichy Springs on Monticello road, Mayacama Mountains. Comment
  SEINET233344  Gilia capitata Hilary Jane Ernst 1981-5-24 75 Napa Sage Canyon Road base of Conn Dam 1.2 mi E of intersection with the Silverado Trail 73 Comment
  UC914316  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-3 7965 Napa w slope Mt. St. Helena Comment
  UCD117699  Gilia capitata subsp. capitata Eric S. Ngay 1990-5-26 17 Napa gravel mine west of bridge, south bank of Pope Creek, near mile marker 4.75 Pope Canyon Road. Comment
  CAS-BOT-BC257666  Gilia tricolor R. C. Wenk; E. S. Wenk 2006-4-30 434 Napa Robert Louis Stevenson State Park. Trail going east from Highway 29 parking lot for trail to Mt. St. Helena. 1/2 mile from parking lot on left side of trail Comment
  HSC43997  Gilia tricolor Robert M. Specht 1977-4-14 664 Napa N side of Nevada Creek 512 Comment
  SEINET9288140  Gilia tricolor Unknown 1933-4-2 97 Napa Napa County Comment
  UC908613  Gilia tricolor subsp. tricolor Herbert L. Mason 1926-3-14 2731 Napa Mount St. Helena Comment
  UC527929  Githopsis specularioides Ira L. Wiggins R. Bacigalupi, R. S. Ferris 1933-6-2 6663 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  JEPS96889  Glinus lotoides Dean W. Taylor 1999-7-20 17288 Napa Crystal Lake (large vernal lake west of Highway 128 and Capell Creek) 350 Comment
  RSA769217  Glinus lotoides L. Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 air miles northwest of Winters 130 Comment
  RSA518733  Glinus lotoides Barbara Ertter, E. Neese 1988-10-2 7966 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
  UC1196813  Gratiola ebracteata J. P. Tracy 1902-5-18 1532 Napa head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's, La Jota Plateau, Howell Mountain); , , La Jota Plateau 518 Comment
  CAS-BOT-BC304885  Grindelia hirsutula L. R. Abrams 1916-7-3 5779 Napa Road between Calistoga and Petrified Forest Comment
  CAS-BOT-BC304898  Grindelia hirsutula Peter H. Raven 1952-8-26 5132 Napa W. Bentley Wharf 15 Comment
  CAS-BOT-BC304902  Grindelia hirsutula John Thomas Howell 1932-10-8 10804 Napa Cuttings Wharf on Napa River Comment
  CAS-BOT-BC304906  Grindelia hirsutula Peter H. Raven 1952-5-31 4130 Napa Summit of hills s.w. of Rector Canyon 304 Comment
  CAS-BOT-BC304907  Grindelia hirsutula John Thomas Howell 1933-8-27 11645 Napa East of Chiles Valley on road to Winters, Napa Range Comment
  CAS-BOT-BC304909  Grindelia hirsutula Peter H. Raven 1951-8-21 3870 Napa Ridge s.e. of Mt. Veeder 716 Comment
  CAS-BOT-BC304910  Grindelia hirsutula John Thomas Howell 1930-7-13 5346 Napa Lower slopes of Mt. St. Helena Comment
  UC32140  Grindelia hirsutula Edw. L. Greene Napa St. Helena Comment
  JEPS106786  Guillenia lasiophylla Jake Ruygt 1989-4-22 2271 Napa east of HWY 121 on HWY 128 Comment
  CAS-BOT-BC302212  Harmonia hallii C. F. B. 1903-5-8 3079 Napa Knoxville Comment
  UC177483  Harmonia hallii C. F. Baker 1902-5-8 3079 Napa Knoxville Comment
  CAS-BOT-BC302216  Harmonia nutans Barbara Ertter; Jeffrey Strachan 1980-5-9 3330 Napa Los [Las] Posadas State Experimental Forest on Howell Mountain 1-2 mi east of Angwin 548 Comment
  CAS-BOT-BC302217  Harmonia nutans Willis L. Jepson 1893-4-28 s.n. Napa Wooden Valley Grade, Napa River Basin Comment
  CAS-BOT-BC302219  Harmonia nutans Carl B. Wolf 1928-5-3 1782 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC302220  Harmonia nutans J. W. Stacey 1933-5-16 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC302230  Harmonia nutans Brandegee 1889-4-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC302240  Harmonia nutans David D. Keck 1933-5-28 2329 Napa Howell Mountain, ca. 1 mile southwest of Pacific Union College Comment
  UC1199158  Harmonia nutans Joseph P. Tracy 1933-4-30 12117 Napa near Angwins (Howell Mountain); Northern Coast Ranges, Howell Mountain 457 Comment
  JEPS106642  Helenium bigelovii Jake Ruygt 1979-7-21 759 Napa 5.5 miles north of Howell Mtn Rd. on Butts Canyon Rd. 243 Comment
  UC1321309  Helenium bigelovii R. F. Hoover 1966-8-23 9934 Napa near Lake Co. line; Butts Canyon Comment
  OBI16346  Helenium puberulum Robert F. Hoover 1966-8-23 9934 Napa Butts Cyn near Lake Co. line Comment
  JEPS21036  Helianthella californica subsp. californica W. L. Jepson 1904-6-3 2450 Napa Howell Mt. Comment
  JEPS21037  Helianthella californica subsp. californica W. L. Jepson 1904-6-3 2450 Napa Howell Mt. Comment
  JEPS21038  Helianthella californica subsp. californica Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  JEPS33580  Helianthella californica subsp. californica W. L. Jepson 1936-5-29 17548 Napa Adam and Eve Ridge Howell Mt. Comment
  UC134822  Helianthella californica subsp. californica Brandegee 1888-9-1 Napa Howell Mountain Comment
  JEPS33583  Helianthella californica subsp. californica W. L. Jepson 1938-5-25 18863 Napa Bell Canyon Napa Range, Howell Mtn. 579 Comment
  CAS-BOT-BC314717  Helianthella californica var. californica John Thomas Howell 1937-7-4 13057 Napa Wooden Valley Grade Comment
  CAS-BOT-BC314719  Helianthella californica var. californica Paul F. Covel 1940-4-28 1703 Napa Grade near Sanatarium Comment
  UCD132906  Helianthus bolanderi G. F. Hrusa; T. D. Wilfred 1997-7-24 14020 Napa middle reaches of Butts Canyon +/- 8 to 10 miles southeast of Middletown. 200 Comment
  OBI74555  Helianthus bolanderi David J. Keil 1986-11-8 19789 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 2.3 mi S of turnoff to Homestead McLaughlin Mine/Mill Comment
  RSA0020854  Helianthus bolanderi David J. Keil 1986-11-8 19789 Napa Along Lake Berryessa Knoxville Road near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill. 350 Comment
  CAS-BOT-BC305616  Helianthus californicus John Thomas Howell 1933-8-27 11624 Napa Sage Canyon, Napa Range Comment
  JEPS106666  Helianthus gracilentus Jake Ruygt 1981-6-10 1050 Napa west of Mt. Vaca, down ridge 472 Comment
  CHSC102262  Helminthotheca echioides Lowell Ahart 2009-10-27 16481 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CHSC102527  Helminthotheca echioides Lowell Ahart 2009-10-12 16427 Napa Below the high water line of Lake Berryessa, along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters.F 133 Comment
  CAS-BOT-BC305851  Helminthotheca echioides Peter H. Raven 1951-9-9 3888 Napa At Solano Co. line w. of Hy. 29 15 Comment
  JEPS121370  Hemicarpha micrantha var. minor Jake Ruygt 1986-8-3 1894 Napa Milliken Creek about .5 mile south of Foss Valley. Comment
  CAS-BOT-BC306268  Hemizonia congesta subsp. lutescens W. M. Heusi 1930-10-18 106 Napa About 5 miles w. of Cordelia, in waste field along highway to Napa Comment
  CAS-BOT-BC309835  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1930-10-19 5612 Napa 1 mile east of Aetna Springs, Pope Valley Comment
  SBBG8414  Hemizonia congesta subsp. luzulifolia J. M. Tucker 1941-9-20 406 Napa jct of rd from Samuel Springs with Monticello-Pope Valley rd Comment
  UCD18104  Hemizonia congesta subsp. luzulifolia K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 40 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  RSA81622  Hemizonia fitchii James I. McMurphy 1909-8-7 698 Napa Between Mount St. Helena Pass and Calistoga. Comment
  POM195298  Hemizonia parryi subsp. parryi H. M. Hall 1923-10-15 11948 Napa Calistoga. Comment
  SBBG127026  Hesperocyparis macnabiana D. Keil 1986-11-8 19788 Napa Lake Berryessa Knoxville Rd, near Knoxville, 2.3 mi S of turnoff to Homestake McLaughlin Mine/Mill 350 Comment
  HSC46349  Hesperocyparis sargentii J. P. Smith, J. O. Sawyer 1970-5-17 3786 Napa 9 mi. N of Pope Valley Comment
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Jun 12 2012
  CAS-BOT-BC167423  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Canyon and Pope Valley on tributary of Pope Creek 274 Comment
  JEPS32274  Hesperolinon bicarpellatum Jos. P. Tracy Jun 13 1899-Jun 19 1899 382 Napa Howell Mt. Comment
  JEPS88633  Hesperolinon bicarpellatum Dean Wm. Taylor with Glenn L. Clifton 1990-5-25 10800 Napa Butts Canyon Road near junction with Snell Road; North Coast Ranges 204 Comment
  LA47291  Hesperolinon bicarpellatum Helen Sharsmith; 1952-6-20 4145 Napa above Pope Creek ca. 0.5 mi. from Walter Springs 152 Comment
  LA47294  Hesperolinon bicarpellatum Helen Sharsmith; Napa ridge between Butts Canyon and Pope Valley on tributary of Pope Creek 274 Comment
  RSA565011  Hesperolinon bicarpellatum D. W. Taylor, Glenn L. Clifton 1990-5-25 10800 Napa Butts Canyon Road, near jct. with Snell road Comment
  UC762266  Hesperolinon bicarpellatum R. F. Hoover 1938-6-8 3539 Napa canyon of s. fork of Butts Creek s. fork of Butts Creek Comment
  UCD82614  Hesperolinon bicarpellatum Stephen P. Rae 2009-5-18 s. n. Napa Continuum Vineyards. Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 427 Comment
  UCD82615  Hesperolinon bicarpellatum Stephen P. Rae 2009-5-18 s. n. Napa Continuum Vineyards. Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 427 Comment
  CAS-BOT-BC176010  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4114 Napa Southern margin Chiles Valley near Chiles Valley School 304 Comment
  CAS-BOT-BC488335  Hesperolinon californicum 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
  JEPS127889  Hesperolinon californicum Adam C. Schneider with Dick O'Donnell 2013-5-26 218 Napa About 200 meters west of Butts Canyon Road. Comment
  OBI12547  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4114 Napa Inner North Coast Ranges. S margin Chiles Valley near Chiles Valley School 305 Comment
  UC1212521  Hesperolinon californicum Helen K. Sharsmith 1958-10-16 4618 Napa head Pope Creek Canyon (where stream leaves Pope Valley); Inner North Coast Ranges 243 Comment
  UC1601241  Hesperolinon californicum Helen K. Sharsmith 1958-10-16 4617 Napa road from Rutherford to Monticello (w side of valley); Inner North Coast Ranges, Chiles Valley 243 Comment
  UCD110496  Hesperolinon californicum P. Rodriguez 1997-5-31 s.n. Napa Lower Chiles Valley Road. 245 Comment
  CAS-BOT-BC176056  Hesperolinon clevelandii John H. Thomas 1955-5-21 5116 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC176057  Hesperolinon clevelandii Catherine Best 1984-4-19 926 Napa Atlas Peak Rd - about 6 miles north of the intersection with Monticello Comment
  CAS-BOT-BC176059  Hesperolinon clevelandii Peter H. Raven 1951-6-10 2941 Napa Crater Region e. of Palisades 762 Comment
  UCSC009031  Hesperolinon clevelandii Dylan M. Neubauer 2015-4-26 133 Napa (NCoRI) Butts Canyon Rd, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  UC517479  Hesperolinon clevelandii John Thomas Howell 1933-6-4 11388 Napa hills e Napa Comment
  CAS-BOT-BC488325  Hesperolinon disjunctum Ayzik Solomeshch 2008-4-20 s.n. Napa N side of Pope Canyon Rd, ca 2 km W of intersection with Berryessa-Knoxville Road 140 Comment
  JEPS104849  Hesperolinon disjunctum Dean W. Taylor 1998-6-23 16699 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  JEPS122780  Hesperolinon disjunctum Jake Ruygt 1993-6-5 3277 Napa Devihead Road .35 mile south of farm house. QUAD: Knoxville Comment
  JEPS122857  Hesperolinon disjunctum Adam C. Schneider with Dick O'Donnell 2013-5-28 245 Napa Northern edge of Cedar Roughs Wilderness Area, south of Pope Canyon Rd, 2.5 miles west of junction with Baryessa Knoxville Road. Comment
  UCD110519  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa About one mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Monticello road. 121 Comment
  UC1601272  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4642 b Napa 2.1 mi beyond intersection of Conn Reservoir road to Rutherford with Chiles Valley-Pope Valley road Inner North Coast Ranges, Chiles Valley 198 Comment
  UCD37129  Hesperolinon micranthum Beecher Crampton 1957-6-4 4103 Napa Napa County, north end of Capell Valley, above Capell Creek. Comment
  UC1212412  Hesperolinon micranthum Helen K. Sharsmith 1957-5-30 4594 Napa nw of Cappell Valley; Inner North Coast Ranges 243 Comment
  JEPS111339 Image available Hesperolinon sharsmithiae Richard O'Donnell 2005-6-9 Napa 180 m NW of the junction of Cedar Creek and Hunting Creek Paradise Valley 270 Comment
  JEPS122869  Hesperolinon sharsmithiae Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-18 602 Napa At end of Barnett Rd. off of Pope Valley Rd. Comment
  JEPS122802  Hesperolinon spergulinum Jake Ruygt 2000-6-10 4268 Napa Berryessa-Knoxville Road near Foley Creek. QUAD: Knoxville. Comment
  UC1212406  Hesperolinon spergulinum Joseph P. Tracy 1938-6-5 15828 Napa 5 mi e Angwin's (on hills at head of Moore Creek); Howell Mountain, Moores Creek 365 Comment
  JEPS106573  Heterocodon rariflorum Jake Ruygt 1992-6-2 3016 Napa South of Leoma Lakes, Wild Horse Valley Ranch. 429 Comment
  UC168967  Heterocodon rariflorum Joseph P. Tracy 1905-7-6 2226 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  JEPS11799  Heterocodon rariflorum Willis L. Jepson 1893-1 Napa grade below New Eden (Howell Mt); Napa River Basin, Howell Mt. Comment
  JEPS45021  Heteromeles arbutifolia W. L. Jepson Nov 26 1895-Nov 27 1895 13824 Napa St. Helena , Napa River (Stone Bridge, Napa River) Comment
  SEINET3077394 Image available Heteromeles arbutifolia Royal D. Suttkus 1967-6-26 67- 30 -10 Napa Clearly Reserves, 7.2 miles NW of Pope Valley Comment
  UC1198754  Heteromeles arbutifolia J. P. Tracy 1899-7-4 377 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 518 Comment
  UC1999862  Heterotheca oregona var. oregona J. C. Semple, S. Heard 1986-8-20 8566 Napa Just N of Calistoga on CA-29m, 15.3 km SW of Lake county line. Comment
  SD62043  Heterotheca oregona var. rudis Darley F. Howe 1965-8-4 Napa 4.0 miles east of Rutherford on U. S. Highway 128. Comment
  UCD63161  Heterotheca sessiliflora Jake Ruygt 1982-7-6 1362 Napa American Canyon east of Flosden Rd. 249 Comment
  POM158605  Hoita macrostachya C. C. Parry 1881-1 s.n. Napa Calistoga Comment
  RSA517453  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa Highway from Napa to Wooden Valley, north slopes of George Mt. 152 Comment
  CAS-BOT-BC324651  Holocarpha virgata John Thomas Howell 1933-8-27 11644 Napa EAst of Chiles Valley on road to Winters, Napa Range Comment
  JEPS106636  Holocarpha virgata Jake Ruygt 1987-7-27 2084 Napa .7 miles west of HWY 128 on Monticello Road 256 Comment
  JEPS106643  Holocarpha virgata Jake Ruygt 1978-8-20 398 Napa 1.6 mi.E of junct.Chiles and Pope V.Rd on Berryessa-Knox.Rd. 143 Comment
  UC1299260  Holocarpha virgata subsp. virgata Freed W. Hoffman 1947-8-20 855 Napa along Trinity road North Coast Ranges Comment
  CAS-BOT-BC149995  Holodiscus discolor var. discolor Peter H. Raven 1950-6-20 2344 Napa Between Conn Valley & Howell Mtn., Napa Range Comment
  CAS-BOT-BC315793  Holozonia filipes Joseph P. Tracy 1938-6-6 15838 Napa Napa Valley, between Napa City and Yountville 30 Comment
  UC143000  Holozonia filipes Mrs. K. Brandegee 1910-7-26 186 Napa near Angwin's 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
  UCD85484  Hordeum brachyantherum M. Wiesendanger 1927-5-4 705 Napa Napa County. Napa. Comment
  JEPS76119  Hordeum brachyantherum subsp. brachyantherum W. L. Jepson 1938-6-8 18893 Napa South Fork Butts Creek , Butts Canyon (Butts Canyon) Comment
  UC1103742  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1905-7-6 2229 Napa 3-4 mi e Angwin's (on hills at head Moore's Creek, Howell Mountian); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UCD36306  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1953-5-19 1308 Napa Chiles Valley. Digger Pine belt. 10 miles west of Monticello, along Hwy. 128. Comment
  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
  UCD37944  Hordeum brachyantherum subsp. californicum Beecher Crampton 1962-5-16 6424 Napa 6.4 miles S of Pope Valley, western slope of Chiles Valley. Comment
  JEPS126088  Hosackia stipularis Jake Ruygt 1981-7-8 1057 Napa Road to Bateman Creek from Montesol; Livermore Road. Detert Reservoir 7.5' Qua. Comment
  POM285807  Hypericum androsaemum R. C. Bacigalupi 1928-06 1876 Napa Howell Mt., 10 mi. west of St. Helena Comment
  UC666677  Hypericum concinnum H. S. Reed 1938-6-11 159 Napa Napa range w. of Oakville 243 Comment
  UCD18095  Hypochaeris glabra Ellen Dean; with PLB 102 class 2000-4-29 751 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD149582  Hypochaeris radicata 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
  CHSC58402  Iris fernaldii Karen Blom 1975-5-16 22 Napa 1 mile north of State Highway 121 on Knoxville Road. Comment
  SEINET4170695  Iris fernaldii Unknown 1969-5-24 Napa End of Capell Valley W. of Lake Berryessa. 198 Comment
  UC917173  Iris macrosiphon D. C. Finfrock 1950-4-2 11 Napa 2 mi from St. Helena (on Pope Valley Road) Comment
  UCD138758  Iris macrosiphon D. C. Finfrock 1950-4-2 11 Napa 2 miles from St. Helena on Pope Valley Road. Comment
  UCD48724  Iris macrosiphon A. Collier; D. Caterson and S. Kenady 2002-5-4 18 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Located in section between upper and lower roads in which the road has become a path. 2 meters E of path. 304 Comment
  UCR156588  Iris macrosiphon A. French 1967-5-7 36 Napa Coast Range, Oakville to Santa Rosa Rd, approx 7 mi from Oakville 457 Comment
  CDA39597  Iris macrosiphon Yeager 1930-5-15 s.n. Napa [no further data] 0 Comment
  JEPS17335  Iris macrosiphon Willis L. Jepson 1893-1 Napa near St. Helena (Park Hill); Napa River Basin, Park Hill 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
  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
  UC14915  Isoetes nuttallii J. P. Tracy 1902-5-19 1553 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 518 Comment
  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
  JEPS369  Isoetes orcuttii J. P. Tracy 1902-5-19 1553 Napa Howell Mt., Moore's Creek 518 Comment
  POM212280  Juglans hindsii Carl B. Wolf 1930-11-3 1800 Napa On Munson Ranch, Napa Range above Wooden Valley. 305 Comment
  UCD18082  Juncus balticus Ellen Dean; with PLB 102 class 2000-4-22 637 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
  JEPS126038  Juncus bolanderi Jake Ruygt 1992-8-31 3137 Napa Between Mitten Lake and Leoma Lakes, Wilde Horse Valley Ran. Mount George 7.5' Quad. Comment
  UC730033  Juncus bufonius Leo F. Koch 1940-4-24 860 Napa 7 mi from Monticello (Pope Creek Road) Comment
  UCD147468  Juncus bufonius var. bufonius Ellen Dean; Diana Hickson 2014-4-29 8081 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD19914  Juncus effusus E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 770 Napa Quail Ridge Reserve. SW corner of Lake Beryessa, along South Decker Canyon Road, S of junction with Cut-off Road. Near hair-pin turn in trail by bathtub, stove, etc. 243 Comment
  UC14891  Juncus hemiendytus var. hemiendytus J. P. Tracy 1902-5-18 1534 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Head of Moores Creek 518 Comment
  JEPS122660  Juncus kelloggii Jake Ruygt 1998-6-20 4041 Napa On Palisades trail from RLSSP, east of Table Rock. Quad: Detert Reservoir. Comment
  UC14893  Juncus kelloggii J. P. Tracy 1902-5-19 1555 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 518 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
  UC842739  Juncus occidentalis Lewis S. Rose 1935-6-4 35204 Napa e slope Mt. St. Helena 457 Comment
  UCD73494  Juncus patens Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD167045  Juncus phaeocephalus var. phaeocephalus Jake Ruygt 1998-5-25 3998 b Napa Napa River Ecological Reserve, Yountville. 27 Comment
  POM161357  Keckiella lemmonii R. C. Bacigalupi 1928-6-20 1873 Napa Howell Mt. 10 miles west of St Helena. Comment
  RSA140851  Kickxia elatine John H. Thomas 1960-8-29 8840 Napa About 1 mile north of Calistoga along highway number 53. Comment
  UCD123880  Kickxia elatine Freed Hoffman 1947-8-1 1689 Napa Sage Canyon. 796 Comment
  UCD123886  Kickxia elatine Herbert L. Mason 1942-9-29 12557 Napa 2 miles north of Calistoga, Napa River. Comment
  HSC93538  Koeleria macrantha G. Fred Hrusa, M. Rejmanek 1993-5-15 11006 Napa 225 Comment
  UCD85793  Koeleria macrantha Beecher Crampton 1965-5-13 7334 Napa Conn Reservoir, 4.5 miles east of Rutherford. Comment
  UCD20756  Lactuca serriola M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 105 Napa McLaughlin UC Reserve. Just S of the reserve on Adam's Ridge Rd. 1.6 road miles E of the jct with Devilhead Rd. 640 Comment
  SEINET3073144 Image available Lagophylla dichotoma subsp. minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring. Comment
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Nov 25 2013
  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
  UCD18061  Lagophylla minor Ellen Dean; with Plant Biology 102 class 2000-4-22 616 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  UCD48648  Lagophylla minor K. Mogel; B. Pekin and M. Higley 2002-5-4 1 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 750 ft. along the lower road that leads to the power lines; immediately downslope of road. 320 Comment
  CAS-BOT-BC123304  Lagophylla minor David Daniels Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just S of Walters Spring. Comment
  CAS-BOT-BC341426  Lagophylla minor Milo S. Baker 1932-4-26 5962 Napa Near Eastern side of Pope Val. along Monticello Hwy. Comment
  CAS-BOT-BC341427  Lagophylla minor J. Clausen 1935-5-22 1069 Napa Ca. 1 mi. E. of Chiles Valley Store Comment
  CAS-BOT-BC341432  Lagophylla minor Peter H. Raven 1951-5-6 2821 Napa Silverado Trail 3/4 mile Conn Dam 152 Comment
  OBI77850  Lagophylla minor David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24507 Napa Just south of Lake Hennessy on south side of Highway 128 Comment
  RSA128654  Lagophylla minor Peter H. Raven 1951-5-26 2887 Napa Butts Canyon. 305 Comment
  SEINET3860269  Lagophylla minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just S of Walters Spring.; 0 Comment
  UC584198  Lagophylla minor J. Clausen 1935-5-22 1069 Napa ca i mi e Chiles Valley Store Comment
  CAS-BOT-BC341558  Lagophylla ramosissima L. R. Abrams 1916-7-2 5760 Napa Near St. Helena Sanitarium Comment
  JEPS7756  Lagophylla ramosissima Peter H. Raven 1952-6-28 4196 Napa Conn Valley 121 Comment
  JEPS19934  Lagophylla ramosissima Willis L. Jepson 1894-7-19 Napa near Calistoga; Napa River Basin, Upper Napa Valley Comment
  UCD133620  Lagophylla ramosissima K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  CAS-BOT-BC338901  Lasthenia californica M. S. Jussel 1921-4-19 s.n. Napa Pope Valley Comment
  JEPS106676  Lasthenia californica Jake Ruygt 1976-5-6 57 Napa 2.8 miles northeast of Westgate Dr. on Atlas Peak rd. 350 Comment
  RSA10701  Lasthenia californica C. B. Wolf 1928-5-3 1786 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  CAS-BOT-BC338264  Lasthenia californica Ella Dales Cantelow 1939-4-8 2497 Napa About 4 1/2 mi. s.w. of Pacific Union College, Howell Mt. Comment
  UC166656  Lasthenia californica subsp. californica J. P. Tracy 1902-5-21 1574 Napa 3-4 mi e of Angwin's Head of Moore's Creek; Howell Mountain 457 Comment
  UC166657  Lasthenia californica subsp. californica J. P. Tracy 1902-5-17 1528 Napa 3-4 mi e of Angwin's Head of Moore's Creek; Howell Mountain 426 Comment
  RSA0008549  Lasthenia conjugens Robert Ornduff 1960-4-26 6116 Napa East side of Silverado Trail, 0.9 mile north of Soda Canyon Road. Comment
  JEPS35630  Lasthenia glaberrima W. L. Jepson 1921-5-6 9174 Napa Calistoga Comment
  UCD147460  Lasthenia glaberrima Ellen Dean; Diana Hickson 2014-4-29 8073 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  RSA181912  Lasthenia glaberrima W. L. Jepson 1921-5-6 9174 Napa Calistoga. Comment
  UCD159787  Lasthenia gracilis James A. Neilson Jr. 1975-4-13 3167 Napa Soda Canyon Road, near summit. 457 Comment
  JEPS107199  Lathyrus jepsonii subsp. californicus Jake Ruygt 1990-5-28 2567 Napa end of Tamalpias St.,Napa 15 Comment
  JEPS107270  Lathyrus jepsonii subsp. californicus Jake Ruygt 1991-7-19 2767 Napa south of the end of South Jefferson St. along river bank 1 Comment
  UC15334  Lathyrus jepsonii var. jepsonii F. T. Bioletti 1892-8-15 Napa Draw Bridge Comment
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May 1 2014
  UC81786  Lathyrus jepsonii var. jepsonii Michener and Bioletti 1892-8-15 Napa Draw Bridge Napa River 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
  RSA15677  Lathyrus vestitus subsp. vestitus Carl B. Wolf 1928-2-25 1491 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. 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
  JEPS55366  Lathyrus vestitus var. vestitus Willis L. Jepson 1893-4-24 13636 Napa e of St. Helena; Napa River Basin Comment
  POM41472  Layia chrysanthemoides Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD161693  Layia septentrionalis Jake Ruygt 2010-5-6 5542 Napa Snell Valley / Missimer Preserve, southeast drainage area. 213 Comment
  CAS-BOT-BC534371  Lemna minor Peter H. Raven 1951-6-24 3029 Napa Carneros Creek at Highway 27, near Sonoma County line 243 Comment
  CAS-BOT-BC215774  Lepechinia calycina Milo S. Baker 1926-5-1 221 Napa 2 mi. S.e. of Inn, Mt. St. Helena Comment
  UCD124950  Lepechinia calycina M. Ensign 1943-5-28 317 Napa 13 miles from Monticello on road to Lower Lake. Comment
  UCD19935  Lepechinia calycina E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 793 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD74400  Lepidium acutidens Jake Ruygt 1994-2-23 3300 Napa Tubbs Lane at Myrtledale Rd., Calistoga. 122 Comment
  UCD148744  Lepidium didymum Jake Ruygt 1997-4-28 3839 Napa Napa County; east of Hwy 29, south of South Kelly Road. 19 Comment
  CAS-BOT-BC89173  Lepidium draba John Thomas Howell 1926-4-3 1781 Napa Near Yountville. Comment
  CAS-BOT-BC89767  Lepidium latipes Alice Eastwood; John Thomas Howell 1938-5-15 5521 Napa Myrtledale Hot Springs. Comment
  JEPS120396  Lepidium oxycarpum Jake Ruygt 1993-4-18 3208 Napa north of American Canyon Creek, south of Am. Can. sanitation Comment
  UCD161697  Lepidium strictum Jake Ruygt 2010-5-20 5560 Napa west end of Soscol Ferry Road, 100 yards from Napa River. 6 Comment
  UCD74398  Lepidium strictum Jake Ruygt 1979-4-20 530 Napa Edgerley Island. 1 Comment
  RSA292919  Leptosiphon acicularis Reino Alava 1957-5-30 975 Napa Napa-Solano county line; Route 128 Comment
  RSA468547  Leptosiphon androsaceus J. T. Howell 1931-4-19 6441 Napa Conn Valley. Comment
  UCD118593  Leptosiphon androsaceus G. L. Stebbins 1983-5-8 C 3115 Napa Chiles Valley area. Comment
  UCD118598  Leptosiphon androsaceus M. Wiesendanger 1927-5-4 682 Napa near Monticello. Comment
  CHSC52453  Leptosiphon androsaceus Keith G. Weinstock 1975-5-9 10 Napa State Highway 128, 12.6 miles southwest of the intersection of Road 89 and Road 32 (Yolo County). Comment
  RSA195290  Leptosiphon androsaceus Gilbert Muth 1967-4-28 653 Napa Spring Mountain Road, St. Helena. Comment
  JEPS129093  Leptosiphon jepsonii Jake Ruygt 2016-4-26 6214 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  CAS-BOT-BC226720  Leptosiphon latisectus Alice Eastwood 1918-5-1 6851 Napa Mt. St. Helena Comment
  JEPS129074  Leptosiphon latisectus Jake Ruygt 2016-3-27 6172 a Napa Smittle Creek, W of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD170684  Leptosiphon parviflorus 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  CAS-BOT-BC324166  Lessingia hololeuca John Thomas Howell 1927-4-15 2323 Napa Near Callistoga 213 Comment
  CAS-BOT-BC324167  Lessingia hololeuca John Thomas Howell 1927-9-10 3098 Napa Near Callistoga 213 Comment
  CAS-BOT-BC324169  Lessingia hololeuca John Thomas Howell 1926-10-3 2210 Napa 2 miles north of Calistoga, Napa Valley Comment
  CAS-BOT-BC342022  Lessingia ramulosa John Thomas Howell 1930-10-19 5613 Napa 1 mile east of Aetna Springs, Pope Valley Comment
  JEPS106627  Lessingia ramulosa Jake Ruygt 1989-11-12 2420 Napa Wooden Valley, 1/4 mile north of elementary school 216 Comment
  UC1069829  Lessingia ramulosa B. Schreiber 1936-9-20 2351 Napa 5 mi s Reiff; Reiff Quad. Comment
  UCR141013  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa Inner North Coast Ranges, northern end of Capell Valley, along Calif. Hwy 128, above Capell Creek 213 Comment
  JEPS43232  Lewisia rediviva Pearl Lutzi May 1916 Napa High Rocks on the road to Oat Hill Mine; Calistoga Comment
  UC204945  Lewisia rediviva C. F. Sonne May 1896 Napa Hills Napa Soda Springs Soda Springs Comment
  UC1746036  Lilaea scilloides Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2763 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UCD116464  Limnanthes alba subsp. alba K. Esau 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  SEINET7073089  Limnanthes douglasii A. G. Vestal 1963-4-7 s.n. Napa A meadow about 4.3 miles north of Saint Helena at the cross-road from Route 29. Coordinate datum WGS84/NAD83. (38? deg. 33' 10" North Latitude, -122? deg. 31' 6" West Longitude, UTM Zone 10, 541975mE, 4267068mN. Coordinate datum: NAD27). Comment
  JEPS112542  Limnanthes douglasii subsp. douglasii Jake Ruygt 1995-4-19 3438 Napa 1.35 miles north of Coombsville Road on First Avenue 39 Comment
  JEPS112543  Limnanthes douglasii subsp. douglasii Jake Ruygt 1996-3-30 3547 Napa Napa Valley Horseman's Association, Foster Road, Napa 6 Comment
  CHSC84509  Limnanthes douglasii subsp. nivea John Dittes 2003-4-5 2003 -12 Napa Inner North Coast Range; Napa Valley; approximately 1.6 air-miles north by northwest of Calistoga City Hall, approximately 0.9 air-mile northwest of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Road and Tubbs Lane. 121 Comment
  UCD116513  Limnanthes douglasii subsp. nivea D. C. Finfrock 1950-4-4 10 Napa along roadside of State Highway 29, north edge of Yountville. Comment
  SEINET5556954  Limnanthes douglasii var. nivea H. S. Gentry 1962-1 19703 Napa 3 mi. north of Calistoga, along Rt. 128. 60 Comment
  JEPS110961  Linanthus acicularis Jake Ruygt 1992-5-3 2929 Napa Westwood Hills Park, Browns Valley Rd. Napa 121 Comment
  JEPS58155  Linanthus androsaceus E. V. Ferguson 1920-5-15 352 Napa Howell Mt. Comment
  UC614694  Linanthus androsaceus L. Constance 1938-4-22 2133 Napa 2 mi w Yountville (above Dry Creek); North Coast Ranges, Miyakma Mountains 457 Comment
  UC23363  Linanthus androsaceus Willis L. Jepson 1893-4-28 Napa trail to Caux's Cabin Napa River Basin Comment
  JEPS110978  Linanthus ciliatus Jake Ruygt 1980-5-13 888 Napa Mt. St. John, Campbell Flat 316 Comment
  JEPS58297  Linanthus ciliatus W. L. Jepson 1893-5-9 20909 Napa w of Rutherford; Napa Valley Comment
  UC23462  Linanthus ciliatus Willis L. Jepson 1893-5-9 Napa w of Rutherford; Napa River Basin Comment
  UC23500  Linanthus dichotomus Willis L. Jepson 1893-4-28 Napa Wooden Valley grade from Napa; Napa River Basin Comment
  UC907816  Linanthus dichotomus Herbert L. Mason 1933-4-30 7230 Napa near Aetna Springs Comment
  UCR115094  Linanthus dichotomus G. Fred Hrusa, S. Larson 1995-4-10 12057 Napa 0.25 mi. below bridge over Pope Creek, on Pope Canyon Rd 175 Comment
  CAS-BOT-BC94929  Linanthus dichotomus R. C. Wenk; E. S. Wenk 2006-4-30 441 Napa Robert Louis Stevenson S.P., trail going E from Highway 29 parking lot for trail to M. St. Helen Comment
  JEPS110968  Linanthus parviflorus Jake Ruygt 1986-3-29 1672 Napa Blue Ridge above Toll Canyon 432 Comment
  JEPS110971  Linanthus parviflorus Jake Ruygt 1978-5-21 338 Napa .4 miles east of Silverado Trail on Dutch Henry Canyon Rd 121 Comment
  UCR47051  Linum bienne J. Nevin 1987-5-22 22 Napa Napa Valley, east end of Browns Valley, 1 mi on Buhman Avenue from Browns Valley Road 61 Comment
  CAS-BOT-BC430626  Lithophragma affine L. R. Abrams 1928-5-3 12244 Napa Summit Mt. St. Helena Grade Comment
  CAS-BOT-BC430627  Lithophragma affine E. Ruckert 1928-5-3 101 Napa 6495 Dry creek Road, upper meadow southwest of road leading in from county road 411 Comment
  JEPS47659  Lithophragma bolanderi Willis L. Jepson 1893-4-24 13470 Napa hills e St. Helena; Napa River Basin, e of St. Helena Comment
  UC1196487  Lithophragma heterophyllum J. P. Tracy 1902-5-15 1470 Napa 3-4 mi e of Angwin's head of Moore's Creek; Howell Mountain, head of Moore's Creek 396 Comment
  RSA10663  Lithophragma heterophyllum Carl B. Wolf 1928-5-3 1826 Napa Summit of Mount St. Helena Grade, north of Calistoga. 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
  HSC43992  Logfia filaginoides Robert M. Specht 1977-4-19 695 Napa Above drainage running NE from Adams Creek. 518 Comment
  UCD18093  Logfia filaginoides Ellen Dean; with PLB 102 class 2000-4-29 649 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
  JEPS20933  Logfia filaginoides W. L. Jepson 1938-5-20 18806 Napa slope above Helena Sanitarium; Howell Mts. Comment
  CAS-BOT-BC283553  Lolium multiflorum Peter H. Raven 1952-5-29 4080 Napa Napa River, 1 mile N of Napa 60 Comment
  UCD18141  Lolium perenne Jean Shepard; with PLB 102 class 2000-4-29 198 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
  SEINET10592043  Lolium temulentum A. S. Hitchcock 1902-4-15 Hitchcock 5365 Napa Near Napa. Comment
  UCD20026  Lomatium C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1212 Napa 1 mile west of junction of Route 128 and Pope Valley Road. S side of Lake Hennessy. Comment
  UCD127614  Lomatium californicum M. Wiesendanger 1927-5-4 703 Napa Monticello, Napa Road. Comment
  UCD48427  Lomatium californicum K. Mogel; B. Pekin, and M. Higley 2002-5-4 9 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 1000 ft along the lower road that leads to the power lines; immediately downslope of road. 304 Comment
  UC659028  Lomatium californicum Mildred E. Mathias 1937-5-23 1299 Napa 13 mi. s.e. Napa Co. Line (on Knoxville Rd.) 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
  CDA11900  Lomatium dasycarpum G. F. Hrusa, G. L. Stebbins 1994-4-8 11720 Napa North Coast Biodiversity Arena; approx. 1/2 mile above Aetna Springs resort. Comment
  CHSC83404  Lomatium dasycarpum subsp. dasycarpum L. P. Janeway; B. Castro 2002-5-12 7549 Napa Inner North Coast Ranges. Northeast-facing slope along Devilhead Road 0.8 km south of Berryessa-Knoxville Road and Knox-ville Creek. 488 Comment
  JEPS105675  Lomatium dasycarpum subsp. dasycarpum L. P. Janeway, B. Castro 2002-5-12 7549 Napa Inner North Coast Ranges. Northeast-facing slope along Devilhead Road 0.8 km south of Berryessa-Knoxville Road and Knox-ville Creek 488 Comment
  UC723788  Lomatium dasycarpum subsp. dasycarpum Joseph Andorfer Ewan 1934-4-30 8829 Napa near Samuel Springs above Monticello (Pope Valley Grade); Pope Valley Grade Comment
  JEPS81574  Lomatium dasycarpum subsp. dasycarpum R. Raiche 1982-3-7 20209 Napa on hill at n.e. side Detert Reservoir (on Butts Canyon Rd.) Comment
  JEPS14279 Image available Lomatium dasycarpum var. decorum W. L. Jepson 1896-6-2 14303 Napa Conn Valley Ridge Napa River Basin; Conn Valley Ridge, Napa Valley Basin Comment
  LA202888  Lomatium hooveri Mildred E. Mathias; 1937-5-23 1298 Napa 1.9 mi. SE of Napa-Lake County line on road to Knoxville Comment
  UC1137629  Lomatium hooveri B. O. Schreiber 1938-4-24 2501 Napa 1/2 mi. n.w. Knoxville; Reiff Quad. Comment
  JEPS104570  Lomatium macrocarpum Jake Ruygt 1981-5-13 1022 a Napa American Canyon, .2 mile east of Flosden Road 164 Comment
  RSA3281A  Lomatium marginatum var. purpureum D. D. Keck 1931-4-3 1076 Napa 5 miles NE of Aetna Springs, along Butts Creek. Comment
  UC1731433  Lomatium marginatum var. purpureum Dean W. Taylor 1998-6-18 16679 Napa ridge dividing Butts Canyon and Spanish Valley; North Coast Ranges 502 Comment
  UC963883  Lomatium marginatum var. purpureum Milo S. Baker 1931-4-2 5126 Napa along road to Middletown seven mi from Pope Valley Store Comment
  UCD150866  Lomatium marginatum var. purpureum G. F. Hrusa 1992-4-15 10377 Napa Along Lower Chiles Valley Road approximately 1 mile north of Highway. 128 Intersection. Comment
  UCD63186  Lomatium marginatum var. purpureum Jake Ruygt 2005-3-28 4726 Napa About 2 miles north of Turtle Rock on Berryessa-Knoxville Rd. 152 Comment
  JEPS104541  Lomatium nudicaule Jake Ruygt 1986-5-7 1751 Napa Skyline Park below Skyline Trail 256 Comment
  SBBG5213  Lomatium nudicaule H. and M. Dearing 1939-5-1 3252 Napa Spring Mtn Grade Comment
  CAS-BOT-BC217804  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
  RSA278514  Lomatium repostum T. C. Emmel 1964-4-11 6 Napa Mount St. Helena 915 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
  UC735135  Lomatium repostum Lincoln Constance, J. F. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 3048 Napa s. slope Mt. Saint Helena (near the old inn) Comment
  SEINET7883499 Image available Lomatium repostum Unknown 1946-1 3048 Napa Southeast slope of Mount Saint Helena near the old inn Comment
  CDA11321  Lomatium utriculatum G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12027 Napa at entrance gate, UC Quail Ridge Reserve Comment
  CDA41074  Lomatium utriculatum G. F. Hrusa, J. Messina 1989-3-3 5873 Napa North Coast Biodiversity Arena; along Hwy 128 W of Monticello Dam (Lake Berryessa). Comment
  SBBG5222  Lomatium utriculatum H. and M. Dearing 1939-5-3 3272 Napa Child's Valley, near St Helena Comment
  UCD16040  Lomatium utriculatum L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 20 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. West of road. 38 deg. 49' 38.7'' N, 122 deg. 20' 22.4'' W; 396 m. Comment
  CAS-BOT-BC240563  Lonicera hispidula H. E. McMinn 1923-5-25 967 Napa Summit Wooden Valley Grade Comment
  JEPS106727  Lonicera interrupta Jake Ruygt 1979-6-3 676 Napa Oat Hill Mine Rd. north near Kidd Canyon 563 Comment
  UCD137340  Lonicera interrupta E. F. Beukman 1964-5-8 33 Napa State Highway 128, 3 miles southwest of Monticello Dam. Comment
  JEPS126121  Lonicera involucrata var. ledebourii Jake Ruygt 1997-5-10 3848 Napa Atlas Peak Road about 0.2 miles south of Foss Valley (Mead). Capell Valley 7.5' Qua. Comment
  JEPS85044  Lotus Larry Heckard and Mary Ashton 1969-5-3 2190 Napa ca 7 mi ne Napa (Mead Ranch, off Atlas Peak Rd) 457 Comment
  UC15620  Lotus humistratus Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin Napa River Basin Comment
  UC75218  Lotus humistratus C. F. Baker 1903-4-20 2605 Napa Mt. St. Helena Comment
  UC1300861  Lotus micranthus Helen K. Sharsmith 1963-4-20 5340 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 Comment
  JEPS19439  Lotus micranthus Willis L. Jepson 1893-4-24 13787 Napa Howell Mt. grade Napa River Basin Comment
  UC15636  Lotus micranthus Willis L. Jepson Apr 1893 Napa near St. Helena; Napa River Basin Comment
  SEINET7072526  Lotus parviflorus A. G. Vestal 1963-4-7 s.n. Napa About 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD 27. Comment
  UCR220102  Lotus scoparius var. scoparius Ayzik Solomeshch, Stephen Rae 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  JEPS107200  Lotus wrangelianus Jake Ruygt 1986-3-22 1663 Napa Vaca Mountains east of Markley Cove 231 Comment
  POM66958  Lotus wrangelianus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD65967  Ludwigia peploides subsp. montevidensis B. J. Grewell 2007-10-18 07- 107 -LU Napa Roadside drain along Solano Ave west of Hwy 29 between Vinters Golf Club and Hoffman Lane crossing, Yountville, CA. 23 Comment
  UCD78330  Ludwigia peploides subsp. montevidensis B. J. Grewell 2005-9-14 05- 21 -LU Napa Lake Hennessey shoreline at Sage Creek overflow, s. of Hwy 128 and east of main lake body. 99 Comment
  RSA735364  Lupinus Keith E. Hoffmaster 1946-3-23 1093 Napa Napa range, along Napa-Monticello road Comment
  JEPS64923  Lupinus albifrons Willis L. Jepson 1893-4-25 54 t Napa trail to Caux's Cabin (w of St. Helena); Napa River Basin Comment
  JEPS64926  Lupinus albifrons Willis L. Jepson 1896-2-22 35 t Napa New Eden Napa River Basin, Howell Mt. (Howell Mt.) Comment
  UC1129311  Lupinus albifrons A. E. Wieslander 1934-2-25 868 Napa 3 mi n Calistoga (Calistoga--Middletown); Calistoga quad. Comment
  CAS-BOT-BC201547  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1940-4-7 s.n. Napa South slope of Mt. St. Helena Comment
  CAS-BOT-BC201549  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1939-4-8 2505 Napa Howell Mt. 1 mi. s.w. of Pac. Union College Comment
  CAS-BOT-BC201552  Lupinus albifrons var. albifrons Charles Piper Smith 1947-5-5 47202 Napa Cordelia, 3.4 miles west, Highway 40 Comment
  CAS-BOT-BC201556  Lupinus albifrons var. albifrons Alice Eastwood 1918-5-1 6829 Napa Mt. St. Helena Comment
  CAS-BOT-BC201557  Lupinus albifrons var. albifrons Peter H. Raven 1950-4-15 1751 Napa Wooden Valley Grade, above Napa 457 Comment
  RSA26103  Lupinus albifrons var. albifrons H. C. Cantelow 1936-3-21 s.n. Napa Howell Mt. Comment
  RSA51237  Lupinus albifrons var. albifrons Peter H. Raven 1950-4-5 1751 Napa Wooden Valley Grade above Napa. 457 Comment
  CAS-BOT-BC196280  Lupinus albifrons var. eminens Arno H. Wilson 1921-4-8 s.n. Napa Atlas Comment
  JEPS107230  Lupinus bicolor Jake Ruygt 1980-5-13 889 Napa Campbell Flat, Mt. St. John 316 Comment
  UCD33703  Lupinus bicolor Beecher Crampton 1972-4-19 8790 Napa 3 miles north of Moskowite Corner at the north end of Capell Valley. Comment
  UCD38820  Lupinus bicolor Beecher Crampton 1958-4-29 4758 Napa Capell Valley. Comment
  UCD107256  Lupinus bicolor Freed W. Hoffman 1947-4-9 1360 Napa North Coast Ranges, Bucksnort Creek. Comment
  UCD16030  Lupinus bicolor N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 18 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 2-3 dm tall, flowers dark purple/blue. Comment
  UCD73495  Lupinus formosus Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  RSA79064  Lupinus formosus var. formosus E. K. Balls, Lee W. Lenz 1952-5-8 17105 Napa 2.8 miles west from Calistoga, road to Santa Rosa via Petrified Forest. 91 Comment
  UCD167062  Lupinus formosus var. formosus Jake Ruygt 2000-7-31 4279 Napa Napa, Trancas Street at Villa Lane. 14 Comment
  JEPS65234  Lupinus formosus var. robustus W. L. Jepson 1894-5-7 48 t Napa Howell Mt.; Howell Mt. (lower slopes at Crystal Sprs.) Comment
  RSA10670  Lupinus latifolius subsp. latifolius Carl B. Wolf 1928-5-3 1819 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  SEINET10490794  Lupinus latifolius subsp. latifolius Marcus E. Jones 1924-4-24 Jones UMO 71601 Napa Comment
  UC142911  Lupinus latifolius var. latifolius Katharine Brandegee 1910-5-18 Napa near the Toll House Mt. St. Helena; , near the Toll House Comment
  JEPS65276  Lupinus latifolius var. latifolius Willis L. Jepson 1892-6-20 52 t Napa Vaca Mts. Comment
  RSA659035  Lupinus microcarpus var. densiflorus R. Riggins 1982-5-22 1419 Napa Ca 1218 E, 7.4 mi E jct. Hwy. 29 in Rutherford, 3.6 mi W jct. Lower Chiles Valley Rd. Comment
  UCD108720  Lupinus microcarpus var. densiflorus Ethel H. Hyde 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  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
  OBI56911  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 Comment
  UCD38314  Lupinus microcarpus var. densiflorus Beecher Crampton 1954-5-6 1833 Napa Hwy. 37, 9 miles south of Monticello. Comment
  CDA37922  Lupinus nanus D. G. Kelch 2010-5-6 10 .167 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS65392  Lupinus nanus W. L. Jepson 1897-5-2 60 t Napa St. Helena Comment
  JEPS65399  Lupinus nanus Willis L. Jepson 1893-4-26 20 t Napa near Yountville (La Lomita); Napa River Basin, , near Yountville Comment
  UC1300898  Lupinus nanus Helen K. Sharsmith 1963-3-17 5220 Napa s side Mt. Atlas; San Francisco Bay Region, s side Mt. Atlas 609 Comment
  UC156988  Lupinus nanus Joseph P. Tracy 1903-5-15 1847 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UCD109263  Lupinus nanus M. Wiesendanger 1927-5-4 672 Napa Near Monticello. Comment
  SBBG67013  Lupinus nanus Mrs. H. P. Bracelin 1932-4-17 234 Napa 4 mi S of Yountville Comment
  SEINET8056980  Lupinus nanus K. Suhr 1967-3-24 s.n. Napa Steele Park Resort, south shore of Lake Berryessa. Comment
  UCD109267  Lupinus nanus Collector Unknown 1925-4-15 1741 Napa Davis. Comment
  POM210035  Lupinus nanus subsp. nanus H. P. Bracelin 1932-4-17 234 Napa Four miles south of Yountville. Comment
  JEPS65437  Lupinus sericatus Willis L. Jepson 1893-5-4 14527 Napa near Toll-house (Mt. St. Helena); Napa River Basin, Mt. St. Helena Comment
  UC725353  Lupinus sericatus A. A. Heller 1940-5-6 15586 Napa just below the crossing of State Highway #29 e side Mt. St. Helena; e side of Mt. St. Helena Comment
  UCR43183  Lupinus sericatus L. F. LaPre 1985-4-24 s.n. Napa Inner North Coast Ranges, Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. line and south of Three Peaks 671 Comment
  UCD109604  Lupinus succulentus Freed W. Hoffman 1947-4-7 662 Napa North Coast Ranges, confluence of Bucksnort and Putah creeks, Hennessy Ranch. Comment
  POM202756  Lupinus vallicola subsp. apricus I. L. Wiggins 1932-3-12 5765 Napa Between Franz Valley and Calistoga. Comment
  CAS-BOT-BC441244  Luzula macrantha C. B. Wolf 1928-2-25 1484 Napa Mt. St. Helenas Grade, 2 miles below Hawkins Mt. Camp Comment
  UCD167280  Lythrum californicum Jake Ruygt 1987-7-11 2064 Napa Myrtledale Road at Tubbs Lane, Calistoga. 121 Comment
  UCD103029  Lythrum hyssopifolia K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  UCD103031  Lythrum hyssopifolia K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  CAS-BOT-BC343834  Madia elegans Alice Eastwood 1918-9-3 7957 Napa Mt. St. Helena Comment
  JEPS7382  Madia elegans Willis L. Jepson Aug 1892 Napa Napa Valley Comment
  HSC81602  Madia exigua Thomas W. Nelson, Jane P. Nelson 1980-5-3 5146 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  JEPS106546  Madia exigua Jake Ruygt 1982-5-15 1258 Napa Stags Leap-Soda Canyon 426 Comment
  JEPS129102  Madia exigua Jake Ruygt 2016-5-3 6225 Napa Canyon south of Oil Well Road; E of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCD134257  Madia exigua J. M. Tucker 1971-5-29 4192 Napa on Lower Chiles Valley Road, 1.5 miles northwest of its junction with State Highway 128. Comment
  UCD170436  Madia exigua Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 908 Napa Knoxville Wildlife Area, west of Berryessa-Knoxville Road. 348 Comment
  UCD38571  Madia exigua Beecher Crampton 1956-5-25 3453 Napa Vaca Mtns., Markley Canyon, along new road from Monticello Dam to Napa. Comment
  UC173111  Madia exigua Katharine Brandegee Napa road from Toll House to Calistoga Comment
  CAS-BOT-BC343206  Madia gracilis Betty H. Johnson 1958-6-8 601 Napa Near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  JEPS40336  Madia gracilis W. L. Jepson 1896-6-2 Napa Stone Bridge Hill Napa Valley, St. Helena Comment
  CAS-BOT-BC343207  Madia gracilis Ira L. Wiggins 1949-4-30 12072 Napa Along old toll road between Calistoga and Middletown, about 1.5 miles north-east of Calistoga Comment
  JEPS40220  Madia gracilis W. L. Jepson 1894-7-19 Napa Calistoga Man. Bay. Reg. Comment
  JEPS40330  Madia gracilis Willis L. Jepson 1894-5-1 Napa e of St. Helena; Napa River Basin Comment
  POM315932  Madia gracilis Patricia Wilder 1965-6-9 3601 Napa Franz Valley School Road, ca. 1.1 mile N of road to Petrified Forest 183 Comment
  POM263489  Madia nutans J. C. Roos 1939-4-16 258 Napa Angwin. Comment
  POM53357  Madia nutans W. L. Jepson 1893-4-28 s.n. Napa Napa River Basin, Wooden Valley Grade Comment
  CAS-BOT-BC345049  Madia sativa David D. Keck 1933-11-10 2718 Napa Rutherford, just S. of town Comment
  CAS-BOT-BC345056  Madia sativa John Thomas Howell 1932-9-17 10759 Napa 3 miles west of Napa Comment
  CAS-BOT-BC345046  Madia sativa David D. Keck 1933-5-28 2326 Napa Just north of Yountville Comment
  CAS-BOT-BC345047  Madia sativa David D. Keck 1933-5-28 2326 Napa Just north of Yountville Comment
  CAS-BOT-BC345057  Madia sativa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  UCD167283  Malacothamnus fremontii Jake Ruygt 2003-6-21 4552 Napa West of Berryessa Knoxville Road near mouth of Foley Creek. 329 Comment
  JEPS129034  Malacothrix floccifera Jake Ruygt 2016-5-14 6255 Napa Near south base of Snell Peak. Aetna Springs 7.5' Quad. 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
  UCD32571  Malacothrix floccifera Beecher Crampton 1954-5-20 1925 Napa 8 miles southwest of Monticello, along highway 128. Comment
  UCD69017  Malacothrix floccifera P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. On serpentine rocks. UTM: 10SEN6659 155 Comment
  JEPS106389  Marah fabacea Jake Ruygt 1976-4-23 17 Napa 2.1 miles NE of Silverado Trail on Deer Park Rd. 213 Comment
  JEPS42510  Marah fabacea Willis L. Jepson 1896-2-23 14125 Napa lower slopes Howell Mt. (near Rural Health Reteat); Napa River Basin Comment
  POM339533  Marah fabacea F. R. Fosberg 1967-4-1 48412 Napa Hills just south of Lake Berryessa Comment
  RSA81728  Marah oregana Roxana S. Ferris 1951-3-26 12420 Napa Oakville-Glen Ellen Road, about 2 miles from Oakville. Comment
  UCD19945  Marah watsonii E. A. Dean; Virginia Boucher 2002-2-28 901 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
  UCD48877  Marah watsonii Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 18 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along S. Decker Canyon Rd. just S of jct with Cut-Off Rd. 228 Comment
  SEINET15325226  Matricaria discoidea R. H. Miller 1949-1 47 Napa Highway 37, about 10 miles NE of Napa. Comment
  UCD48972  Medicago polymorpha L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 5 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  CAS-BOT-BC269418  Melica californica John Thomas Howell 1931-4-3 6123 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  UC53669  Melica californica Willis L. Jepson 1893-1 Napa Napa Valley; Napa River Basin Comment
  UCD86929  Melica californica Beecher Crampton 1962-5-16 6438 Napa Napa county. 0.5 mile east Chiles Valley School, along state Hwy. 128. Comment
  UCD87007  Melica californica K. Esau 1938-5-1 s.n. Napa Napa County. Napa Valley. Comment
  SEINET5322427  Melica californica M. Mooney 1982-4-17 452 Napa Stebbins-Cold Canyon Nature Preserve, south of dam at Lake Berryessa 91 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
  JEPS122950  Melica geyeri Jake Ruygt 1983-4-1 1400 Napa Redwood Road north of Mt. La Salle. Quad: Sonoma. Comment
  UC187217  Melica geyeri Joseph P. Tracy 1902-5-15 1468 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mtn 396 Comment
  CAS-BOT-BC264212  Melica torreyana unspecified 1870-5-22 s.n. Napa Oakville Comment
  CAS-BOT-BC264216  Melica torreyana Peter H. Raven 1957-5-5 10760 Napa Hills at western edge of Calistoga 152 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-BC264219  Melica torreyana Carl B. Wolf 1928-5-3 1812 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC264220  Melica torreyana Joseph P. Tracy 1933-6-2 12477 Napa Hills head of Moore's Creek, 3.4 miles east of Angwin's, Howell Mountain 396 Comment
  UCD117786  Melica torreyana Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCR212326  Melica torreyana Ayzik Solomeshch, Stephen Rae 2007-3-19 s.n. Napa North Coast Range, Northwest of the town of Yountville, along Oakville Grade Road, c. 6 miles west of the intersection with Hwy 29 [onto Dry Creek Road?] Comment
  CHSC102536  Melilotus indicus Lowell Ahart 2009-10-27 16487 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  UCD108089  Melilotus indicus Helen K. Sharsmith 1953-6-15 4193 Napa Adjacent to Soda Creek, on road to Rutherford 2 miles west of junction with Monticello road. 213 Comment
  JEPS112576  Mentha Jake Ruygt 1992-8-6 3119 Napa Yountville Ecological Reserve, Yountville Cross Rd. 25 Comment
  UCD73516  Mentha pulegium Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC1239690  Mentha spicata Joseph P. Tracy 1899-7-3 403 Napa on hills at head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's); Northern Coast Ranges, Moore's Creek, Howell Mountain 335 Comment
  JEPS120344  Mentzelia dispersa Jake Ruygt 2005-5-14 4844 Napa Ridge at NE end of County. Knoxville 7.5' Quad. Comment
  CAS-BOT-BC428853  Micranthes californica Carl B. Wolf 1928-5-3 1839 Napa Base of Mt. St. Helena Comment
  UCD102808  Micranthes californica D. H. Hartmann 1942-3-7 s.n. Napa in a canyon of Green Valley. Comment
  CDA10905  Micropus californicus G. F. Hrusa, M. Rejmanek 1993-5-15 11001 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CDA12105  Micropus californicus G. F. Hrusa 1989-4-24 5963 A Napa North Coast Biodiversity Arena; Hwy 128, approx. 10 miles S of Pope Valley. Comment
  CAS-BOT-BC348540  Micropus californicus var. californicus H. L. Mason 1934-4-30 8103 Napa West side of Wooden Valley grade, near summit Comment
  CAS-BOT-BC348680  Microseris acuminata Peter H. Raven 1953-4-2 5237 Napa Hills e. of Imola 121 Comment
  CAS-BOT-BC348965  Microseris douglasii subsp. douglasii Brandegee No date on label s.n. Napa Suisun Comment
  CAS-BOT-BC348972  Microseris douglasii subsp. douglasii Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5337 Napa Pope Creek e. of Samuels Springs 91 Comment
  RSA195379  Microseris lindleyi Gilbert Muth 1967-4-16 635 Napa Snell Valley. 183 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
  UC147893  Mimulus angustatus J. P. Tracy 1902-5-21 1610 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UC1778559  Mimulus angustatus S. E. Schoenig 1998-6-5 98 -22 Napa 20 meters E of Ink Grade Rd., 0.5 miles NW of intersection with Howell Mtn Rd. 548 Comment
  HSC43919  Mimulus aurantiacus var. aurantiacus Robert M. Specht 1977-4-13 652 Napa South-facing slope 488 Comment
  RSA293488  Mimulus aurantiacus var. aurantiacus John Dourley 1979-07 1856 Napa Wooden Valley Rd., north-east of Napa Comment
  UC445121  Mimulus aurantiacus var. aurantiacus H. P. Chandler 1907-5-29 7588 Napa White Sulphur Spring St. Helena Comment
  JEPS110591  Mimulus floribundus Jake Ruygt 1989-6-17 2366 Napa Van Ness Canyon 597 Comment
  POM5067  Mimulus guttatus C. F. Baker 1903-4-19 1980 Napa Calistoga. Comment
  UC26955  Mimulus kelloggii W. L. Jepson 1893-5-2 29 m Napa Pope Valley grade from Calistoga Comment
  CAS-BOT-BC153780  Mimulus kelloggii Belle Richardson Jackson 1923-5-10 s.n. Napa unspecified Comment
  CDA41703  Mimulus layneae S. E. Schoenig 1998-6-5 98 -23 Napa 20 meters east of Ink Grade Road, 0.5 mile northwest of intersection with Howell Mountain Road. Comment
  JEPS110611  Mimulus layneae Jake Ruygt 1989-6-17 2376 Napa Bear Valley 637 Comment
  RSA670138  Mimulus layneae S. E. Schoenig 1998-6-3 98 -21 Napa Research Hill, 0.1 mi SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd, 1 mi NW of Homsestake mine. 655 Comment
Read comments
Nov 11 2011
  UC147882  Mimulus layneae J. P. Tracy 1902-5-19 1544 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 426 Comment
  UC1746030  Mimulus layneae Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2767 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS85027  Mimulus microphyllus Larry Heckard, Mary Ashton 1969-5-3 2212 Napa ca. 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd., above and w of meadow) 510 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
  JEPS11360  Mimulus nasutus W. L. Jepson 1921-5-6 9172 Napa Yountville 30 Comment
  JEPS110598  Mimulus nudatus Jake Ruygt 1991-5-25 2693 a Napa Paradise Valley 280 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
  UCD170353  Mimulus nudatus Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 852 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 459 Comment
  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
  CAS-BOT-BC174562  Minuartia californica Alice Eastwood; John Thomas Howell 1937-4-4 3827 Napa Wooden Valley Grade east of Napa Comment
  CAS-BOT-BC294747  Minuartia californica R. C. Wenk; E. S. Wenk 2006-4-30 435 Napa Robert Louis Stevenson State Park. Trail going east from Highway 29 parking lot for trail to Mt. St. Helena. 1/2 mile from parking lot on left side of trail Comment
  UC1198337  Minuartia californica Joseph P. Tracy 1935-3-19 13766 Napa on Knight's Valley Rd nw Calistoga (near Napa-Sonoma county line) 213 Comment
  CAS-BOT-BC388619  Minuartia douglasii Peter H. Raven 1953-3-29 5223 Napa Hills e. of Imola 121 Comment
  CAS-BOT-BC388756  Minuartia douglasii Alice Eastwood 1918-5-1 6834 Napa Mt. St. Helena Comment
  CAS-BOT-BC388757  Minuartia douglasii John Thomas Howell 1931-4-19 6458 Napa Conn Valley Comment
  JEPS51499  Minuartia douglasii W. L. Jepson 1938-5-22 18824 Napa Snell Valley Comment
  CAS-BOT-BC388761  Minuartia douglasii R. C. Barneby 1954-4-30 11231 Napa Conn Valley, near the slipway 91 Comment
  POM216216  Minuartia douglasii D. D. Keck 1933-5-29 2346 Napa Pope Creek bridge south of Walters Springs; south wall of Pope Creek Canyon. Comment
  CHSC102257  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 Winters. 130 Comment
  CAS-BOT-BC220614  Monardella villosa John Thomas Howell 1930-7-13 5349 Napa Edge of the Crater Country Comment
  JEPS110816  Monardella villosa subsp. villosa Jake Ruygt 1980-6-29 947 Napa Steele Canyon 201 Comment
  JEPS110829  Monardella villosa subsp. villosa Jake Ruygt 1979-6-9 680 Napa 11.7 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 234 Comment
  UCD160745  Monardella viridis Ellen Dean 2015-5-23 8797 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. 243 Comment
  SEINET10582240  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 368 Napa Rte. 128 from St. Helena to Winters, just west of the junction of Rte. 128 and Pope Valley Rd., on top of road cut across from Nichilini Winery. Locally infrequent on serpentine, in the semi-shade of Pinus coulteri, Quercus durata var. durata, Umbellularia californica, Heteromeles arbutifolia, Adenostema fascicularis, Arctostaphylos sp. End of bloom. Comment
  UCD170447  Monolopia major Daniel Potter; Ninh Khuu 2017-5-14 919 Napa Knoxville Wildlife Area, along Nevada Creek. 330 Comment
  CAS-BOT-BC444850  Montia fontana G. DeNevers 1982-3-21 1940 B Napa Napa Range Mt. Along Atlas Peak Road Comment
  UCD23397  Montia perfoliata Julia Knorr 1977-4-16 5 Napa White and purple flowers. Foothill woodland, N facing slope, full shade. 6.4 miles W from Monticello Dam on Highway 128. Comment
  UC1279972  Muilla maritima Peter H. Raven 1957-5-5 10743 Napa near hot springs; Calistoga 91 Comment
  CDA19129  Myriophyllum spicatum T. Allen 2001-7-12 PDR 1103267 Napa In Lake Berryessa, close to 4290 Knoxville Rd., Napa. 0 Comment
  JEPS129124  Najas minor Jake Ruygt 2010-8-14 5722 Napa NW shore of Lake Berryessa; Barton Hill. Walter Springs 7.5' Quad. Comment
  UCD41471  Narcissus pseudonarcissus Ellen Dean; T. Starbuck, M. Starbuck, J. Bradford and family 2003-2-21 1351 Napa Quail Ridge UC Reserve. South end of Lake Berryessa, first peninsula, west of Monticello Dam. Along Decker Ridge Road where it joins with South Decker Canyon Road. 350 Comment
  SBBG116117  Nassella lepida B. Crampton 1956-5-25 3481 Napa Howell Mtn, above SW corner of Wooden Valley Comment
  SEINET212975  Nassella lepida Diana Toth 1974-4-29 Napa Rt 128 between Rutherford and Davis Comment
  UC1133161  Nassella lepida J. B. Spring 1932-6-7 71 Napa head of creek Napa Quadrangle, Carneros Creek 365 Comment
  HSC58998  Navarretia cotulifolia Tim Excell 1975-5-21 119 Napa Near Pope Creek, close to the town of Pope Valley 183 Comment
  POM261443  Navarretia cotulifolia J. T. Howell 1939-4-30 s.n. Napa Walter Springs. Comment
  JEPS112536  Navarretia heterodoxa Jake Ruygt 1991-6-10 2717 Napa above Cooksley Lake toward Summit Lake Dr., Angwin 725 Comment
  UC143008  Navarretia heterodoxa Mrs. K. Brandegee 1910-7-28 139 Napa Angwin Comment
  JEPS70316  Navarretia heterodoxa Willis L. Jepson 1901-8-6 1731 Napa Howell Mt. Napa River Basin Comment
  JEPS120319  Navarretia intertexta Jake Ruygt 2002-5-18 4419 Napa Missimer/Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  UCD160681  Navarretia intertexta Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8753 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
  SD3929  Navarretia jepsonii Katherine Brandegee 1910-7-26 Napa Near Aetna Springs Comment
  UC1177373  Navarretia jepsonii Peter H. Raven 1950-6-28 2404 Napa just above Aetna Springs; Pope Valley Comment
  UC908643  Navarretia jepsonii Mrs. K. Brandegee Jul 26 1910-Jun 1 1911 148 Napa near Aetna Springs Comment
  UCD170458  Navarretia jepsonii Daniel Potter; Ninh Khuu 2016-6-18 887 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 447 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
  JEPS112555  Navarretia mellita Jake Ruygt 1989-6-3 2359 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 393 Comment
  CAS-BOT-BC232673  Navarretia pubescens John H. Thomas 1955-5-21 180 J Napa Near State Highway No 128 and Cappell Creek, about 12 miles E of St Helena 274 Comment
  JEPS41315  Navarretia pubescens W. L. Jepson 1943-5-15 20838 Napa Knoxville Ridge Comment
  UCD170457  Navarretia pubescens Daniel Potter; Ninh Khuu 2016-6-8 886 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  UCD59449  Navarretia pubescens P. J. Plummer 1995-5-29 s.n. Napa Lake Berryessa. 121 Comment
  JEPS70416  Navarretia pubescens Willis L. Jepson 1892-7-28 20964 Napa near Knoxville (ne Napa Co.); Mountain Region of Clear Lake Comment
  UC133924  Navarretia pubescens J. P. Tracy 1899-6-17 434 Napa Adobe Flat Howell Mt. 426 Comment
  UC908083  Navarretia tagetina Herbert L. Mason 1934-4-30 8110 Napa tributary of Putah Creek Pope Valley, Putah Creek Comment
  JEPS106579  Nemacladus montanus Jake Ruygt 1998-5-25 3999 Napa Capell Canyon 188 Comment
  JEPS78509  Nemacladus montanus W. L. Jepson 1920-5-25 9037 Napa Knoxville Ridge Comment
  JEPS5470  Nemacladus montanus Rimo Bacigalupi with L. T. Dempster, G. T. Robbins 1954-5-25 4508 Napa 8.2 mi e Conn Lake (reserovir) (slopes above Soda Creek along State Highway 28) Comment
  POM224204  Nemacladus montanus H. L. Mason 1935-5-30 10000 Napa Four miles north of Knoxville Mines. Comment
  UCD126385  Nemacladus montanus Beecher Crampton 1954-5-20 1924 Napa State Highway 128, 8 miles southwest Monticello. Comment
  RSA75813  Nemophila heterophylla Lincoln Constance 1938-4-22 2134 Napa Above Dry Creek 2 miles west of Yountville, Miyakma Mountains, North Coast Ranges. 457 Comment
  UCD19943  Nemophila heterophylla E. A. Dean; Virginia Boucher 2002-2-28 895 Napa Quail Ridge Reserve. Along West Rd., 0.7 airline miles north of junction of West Rd. and Decker Canyon Trail. 213 Comment
  UCD49093  Nemophila heterophylla A. Van Houtte; E. Leger and C. Hohn 2001-4-14 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, W side of S. Decker Canyon Rd., in drainage NW and upslope of Decker Canyon stock pond. 152 Comment
  UCD49095  Nemophila heterophylla L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 6 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. Between stream and South Decker Canyon Rd., where stream comes within 6 ft. of the road. 152 Comment
  JEPS3069  Nemophila heterophylla E. Kraeger 1926-3-28 Napa Russ House about 1/2 mi from Mt. St. Helena Inn; <near> Mt. St. Helena Inn Comment
  JEPS3158  Nemophila heterophylla Mrs. Mary Van E. Ferguson 1919-4-13 215 Napa near Atlas Mt.; near Atlas Mt. Comment
  POM181027  Nemophila heterophylla Belle R jackson 1930-6-8 s.n. Napa North side of Mt. St. Helens near Toll House. Comment
  POM248912  Nemophila heterophylla Lincoln Constance 1938-3-27 2035 Napa East slope 5 miles east of Napa, in the Howell Mountains, North Coast Ranges. 457 Comment
  SBBG6130  Nemophila heterophylla H. and M. Dearing 1939-4-30 3232 Napa Saint Helena Comment
  UC726897  Nemophila heterophylla A. A. Heller 1929-3-16 14818 Napa grade near foot Mt. St. Helena Comment
  CHSC43316  Nemophila menziesii Lowell Ahart 1969-4-7 25 Napa On moist soil of a road cut, near Lake Berryessa. 243 Comment
  RSA733621  Nemophila menziesii Keith E. Hoffmaster 1946-3-23 1076 Napa Napa range, along Napa-Monticello road. 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
  SEINET9351968  Nemophila menziesii var. atomaria Unknown 1933-4-2 91 Napa Napa Co., CA Comment
  JEPS110847  Nemophila menziesii var. menziesii Jake Ruygt 1982-2-16 1101 Napa .3 mile north of Chimney Golf Course on Silverado Trail 20 Comment
  POM320432  Nemophila menziesii var. menziesii Carole Mathews 1972-3-28 20 Napa North shore of Lake Berryessa, about 5 miles above Monticello Dam. South Coast Range, Lake Berryessa drainage area. 274 Comment
  UCD166684  Nemophila parviflora var. parviflora Jake Ruygt 2005-4-25 4800 Napa lower Ritchey Creek.. 170 Comment
  UCD126649  Nicotiana glauca Kamala Crompton 1996-4-21 3 Napa Along Road 128, above Putah Creek. 100 Comment
  JEPS12387  Nicotiana quadrivalvis W. L. Jepson 1894-11-5 21248 Napa Napa River above St. Helena; Napa River Comment
  JEPS129065  Nymphaea odorata Jake Ruygt 1991-7-20 2778 Napa Doe Lake, Friesen's Lakes, Angwin. Saint Helena 7.5' Quad. Comment
  RSA475189  Odontostomum hartwegii Aaron Liston, Sara Meury 1988-6-1 755 -1 Napa Bothe-Napa Valley State Park; campground site 21. 150 Comment
  JEPS43956  Oenothera elata subsp. hirsutissima W. L. Jepson 1895-11-26 14492 Napa White Sulphur Springs Creek bed Napa Valley Comment
  CDA42041  Orobanche fasciculata D. Irving Grover 1965-6-1 s.n. Napa Howell Mountain area. 0 Comment
  SEINET8853707 Image available Orobanche fasciculata Bill Wardell 1961-1 27 Napa State Highway 37, 20 miles southwest of Monticello Dam Comment
  UC1125595  Orobanche uniflora subsp. occidentalis Beryl O. Schreiber 1938-4-24 2498 Napa Wooden Valley Grade, 5.2 mi NNE of Napa. Napa 7.5' Quad. Comment
  RSA202256  Orthocarpus faucibarbatus L. D. Thurman 1964-4-15 394 Napa 5 mi N of Napa on Silverado Trail. Comment
  POM182685  Orthocarpus pusillus D. D. Keck 1931-4-3 1072 Napa Pope Valley P.O. Comment
  UC592162  Osmorhiza berteroi H. L. Mason 1926-3-22 2788 Napa between Calistoga to Petrified Forest Comment
  UC901879  Osmorhiza berteroi Joseph Andorfer Ewan 1937-5-23 10327 Napa Mt. St. Helena; w slope, along auto road Comment
  UCD120664  Oxalis corniculata Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7326 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
  UCD160342  Oxalis oregana Nellie Coffey 1931-2-1 s.n. Napa Chiles Valley. Comment
  UC221396  Packera clevelandii H. M. Hall 1923-10-14 11943 Napa 8 mi n Pope Valley Comment
  UCD134774  Packera eurycephala K. Esau; E. Hyde 1936-5-14 s.n. Napa Napa Valley. Comment
  JEPS81214  Packera eurycephala var. eurycephala Douglas W. James Jr. 1973-5-5 97 Napa near, not far from road that runs through the ranch MacDonald Ranch property line; Las Posadas State Forest, Pope Valley 411 Comment
  UCD161314  Packera eurycephala var. eurycephala Jake Ruygt 1979-5-20 615 Napa Mt. St. Helena. (Coordinates estimated by label maker at UC Davis). 1036 Comment
  UC767457  Packera eurycephala var. eurycephala R. F. Hoover 1941-4-26 4911 Napa below Monticello; Putah Creek Canyon Comment
  OBI77572  Packera greenei David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24506 Napa Just south of Lake Hennessy on south side of Highway 128 Comment
  SEINET11807295  Packera greenei F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -330 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  UC1103775  Panicum acuminatum var. acuminatum J. P. Tracy 1899-6-17 342 Napa 3-4 mi e Angwin's (La Jota plateau); Howell Mountain, head of Moore's Creek 518 Comment
  UCD88171  Panicum acuminatum var. fasciculatum M. S. Baker 1942-6-26 10207 Napa Theological Seminary Pine Crest, 1 mile East of Pacific Theol. Sem. Comment
  UCD89499  Panicum capillare Beecher Crampton 1963-9-19 6897 Napa n. end of Capell Valley, above Capell Creek, State Hwy. 128. Comment
  UCD89789  Panicum capillare subsp. hillmanii Beecher Crampton 1974-9-19 9089 Napa south of Yountville. Comment
  UCD164816  Panicum capillare subsp. hillmanii Jake Ruygt 2012-9-15 5878 Napa Crystal Flats, Putah Creek. 131 Comment
  UC1300832  Parvisedum pumilum Helen K. Sharsmith 1963-4-20 5342 Napa San Francisco Bay Region, southern slopes of Mount Atlas Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  UC830991  Parvisedum pumilum John Thomas Howell 1939-5-7 14656 Napa Napa Comment
  UCD123309  Pedicularis densiflora Gerald D. Carr 1971-3-3 521 Napa 1.3 miles west of Berryessa-Knoxville Rd. On California 128, 6 miles west of Moskowite Corners. Comment
  UCD18029  Pedicularis densiflora Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 574 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  UCD123316  Pedicularis densiflora Chas. Heiser 1947-3-29 1889 Napa about 7 miles east of Napa. Comment
  SEINET3872924  Pellaea andromedifolia Daphne K. Christopher, Hannah Stevens; Mark Bibbo 2003-4-11 143 Napa Uc Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation.; 0 166 Comment
  UC57304  Pellaea andromedifolia J. P. Tracy 1902-5-22 1624 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 365 Comment
  UCD48364  Pellaea andromedifolia M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 13 Napa Quail Ridge UC Reserve, northern tip of peninsula directly beneath power lines on lower road. 274 Comment
  UCR196230  Pellaea andromedifolia Yumee Kim, L. Bachman, P. Lalbhai 2002-4-13 06 Napa McLaughlin UC Reserve. North of Berryessa-Knoxville Road, just southwest of the old town of Knoxville 427 Comment
  CDA11897  Pellaea mucronata var. mucronata G. F. Hrusa, G. L. Stebbins 1994-4-8 11721 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  JEPS129056  Pellaea mucronata var. mucronata Jake Ruygt 2016-12-3 6298 Napa Butts Canyon southwest of Snell Peak. Aetna Springs 7.5' Quad. Comment
  UCD89424  Pennisetum clandestinum Robert Beechinor 1964-10-11 52 Napa Vaca Mountains. Martley Canyon Resort area, Lake Berryessa. Comment
  UC1301208  Penstemon heterophyllus Helen K. Sharsmith 1962-6-3 5113 Napa near Angwin; San Francisco Bay Region, western slope Mount Howell 487 Comment
  UCD40894  Penstemon heterophyllus Katherine Countrey 1983-5-29 20 Napa On Berryessa-Knoxville Rd. 3 miles northwest of Knoxville. 304 Comment
  JEPS11373  Penstemon heterophyllus var. heterophyllus Alice King July, 1919 Napa Van Ness Ranch , Van Ness Ranch (Mt. St. Helena) Comment
  JEPS7566  Penstemon heterophyllus var. heterophyllus W. L. Jepson 1904-6-3 2446 Napa Howell Mt. , Howell Mt. (Napa Range) Comment
  UCD124239  Penstemon heterophyllus var. purdyi L. P. Thibault 1995-5-19 37 Napa northside of Highway 128 north of Lake Solano, approximately 2-3 miles east of Monticello Dam. 125 Comment
  SEINET11052858  Penstemon laetus Joseph Andorfer Ewan 1934-4-30 8861 Napa Near Samuel Spgs. above Monticello Pope Valley Grade Comment
  SEINET12329993  Penstemon newberryi F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -305 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  CAS-BOT-BC245715  Penstemon newberryi var. sonomensis Belle R. Jackson 1930-6-20 s.n. Napa At the monument, summit of Mt. St. Helena Comment
Read comments
Jan 13 2018
  JEPS85717  Penstemon newberryi var. sonomensis E. Ferguson 1920-5-15 354 Napa Mount St. Helena, Silverado Mine Silverado Mine; Mount St. Helena, Silverado Mine Comment
  UC165062  Pentachaeta exilis J. P. Tracy 1902-5-15 1449 Napa 3-4 mi e Angwin's (head of Morre's Creek); Howell Mountain 426 Comment
  JEPS60097  Pentagramma triangularis subsp. triangularis W. L. Jepson 1936-5-29 17552 Napa Adam and Eve Ridge Howell Mt Comment
  UCD48370  Pentagramma triangularis subsp. triangularis C. Matthews; K. Glover, C. Little, T. Petrie 2001-4-14 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. South side of Decker Bay Trail; 250' W of junction with West Road. 152 Comment
  JEPS129109  Perideridia oregana Jake Ruygt 2015-6-13 6128 Napa Fernandes - Snell Peak, Land Trust. Aetna Springs 7.5' Quad. Comment
  UC1312889  Perideridia oregana Lincoln Constance, Tsan-Iang Chuan, and Rimo Bacigalupi 1967-7-6 3784 Napa Pope Canyon road 3 mi ne Pope Valley road (w of Lake Berryessa) 182 Comment
  JEPS120312  Persicaria hydropiperoides Jake Ruygt 1992-8-6 3122 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Quad. Comment
  UCD98375  Petrorhagia dubia Carol Chapman 1978-4-23 20 Napa Hwy 128, 4 miles east of intersection of Hwy 128 and Chiles Pope Valley Road. 487 Comment
  UCR45094  Phacelia corymbosa 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
  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
  JEPS85026  Phacelia distans Larry Heckard and Mary Ashton 1969-5-3 2213 Napa ca 7 mi ne Napa (off the Atlas Peak Rd; above and w of meadow); Mead Ranch 510 Comment
  SBBG11769  Phacelia distans H. and M. Dearing 1939-5-3 3270 Napa Sage Cyn near Rutherford Comment
  RSA51274  Phacelia egena Peter H. Raven 1950-5-6 2008 Napa Dry bed of the west branch of the Napa River where it meets route 29 approximately one mile west of Calistoga. 91 Comment
  UC24382  Phacelia imbricata H. P. Chandler 1900-5-7 625 Napa Rutherford Comment
  UC1055963  Phacelia imbricata Edw. L. Greene 1891-7-1 Napa near St. Helena Comment
  UC1471530  Phacelia imbricata Edw. L. Greene 1891-7-1 Napa near St. Helena Comment
  UC672717  Phacelia imbricata W. S. Boyle 1942-4-25 1069 Napa 10 mi from Napa (1/4 mi e of Silverado Trail rd to Calistoga) Comment
  JEPS110864  Phacelia imbricata subsp. imbricata Jake Ruygt 1990-3-10 2445 Napa White Sulphur Springs Rd.; west end 259 Comment
  UCD170156  Phacelia imbricata subsp. imbricata Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 782 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 428 Comment
  JEPS2145  Phacelia imbricata subsp. imbricata Willis L. Jepson 1893-4-24 21048 Napa beyond Park Hill (= e of St. Helena); Napa River Basin, Conn Valley grade Comment
  SD72097  Phacelia nemoralis John Thomas Howell 1937-7-4 13061 Napa Looden Valley Grade. Comment
Read comments
May 31 2018
  CAS-BOT-BC154360  Phacelia suaveolens Freed W. Hoffman 1947-8-4 1422 Napa Mt. St. Helena 609 Comment
  JEPS68361  Phacelia suaveolens L. R. Heckard 1972-6-26 2995 Napa se lookout (rocky flat near radar station); Mt. St. Helena 1219 Comment
  RSA128561  Phalaris aquatica P. H. Raven 1951-6-24 3034 Napa Napa; 30 Comment
  UC187260  Phalaris caroliniana Joseph P. Tracy 1903-5-15 1851 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  JEPS71084  Phlox gracilis W. L. Jepson 1893-4-24 15056 Napa e of St. Helena; Napa River Basin Comment
  UC23584  Phlox gracilis Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  UCD102037  Phoradendron bolleanum O. A. Leonard 1962-3-9 s.n. Napa Near Napa-Lake County line, 4 miles northwest of Knoxville on road to Lower Lake. 640 Comment
  UCD48241  Phoradendron bolleanum A. Miles; E. Anderson, L. Lina, J. Waggoner, and R. Wenk 2000-4-22 13 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  JEPS40268  Phoradendron densum Lauramay T. Dempster 1965-5-16 4095 Napa rd. below Cedar Valley toward KNoxville 426 Comment
  RSA654885  Phoradendron densum G. Fred Hrusa 1993-10-3 11427 Napa 2 miles SW along Knoxville-Devilhead Road from Knoxville-Berryessa Road. 518 Comment
  UC1039590  Phoradendron densum Herbert L. Mason 1926-1-2 2608 Napa Mt. St. Helena, Toll House Canyon Comment
  UCR80867  Phoradendron densum G. Fred Hrusa 1993-10-3 11427 Napa 2.1 mi SW along Knoxville-Devilhead Rd. from Knoxvlle-Berryessa Rd. 440 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
  UCSB2829  Physocarpus capitatus Keator, Glenn 1959-3-28 Napa Conn's picnic grounds, Napa range 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
  JEPS65582  Pickeringia montana var. montana W. L. Jepson 1904-6-3 2439 Napa Howell Mt. Comment
  UCD117788  Pickeringia montana var. montana Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, south of undeveloped road. 391 Comment
  CDA7597  Picris echioides T. C. Fuller 1957-10-25 552 -57 Napa Napa Junction. 0 Comment
  CAS-BOT-BC73329  Pinus attenuata John Thomas Howell 1926-10-3 2205 Napa Mt. St. Helena Comment
  JEPS47900  Pinus attenuata Willis L. Jepson 1893-5-4 Napa summit of Mt. St. Helena Napa River Basin, Mt. St. Helena Comment
  RSA10628  Pinus attenuata C. B. Wolf 1928-5-4 1864 Napa Upper slopes of Mount St. Helena Comment
  JEPS120326  Pinus coulteri Jake Ruygt 1999-12-30 4219 Napa End of Lommel Road, Calistoga. Calistoga 7.5' Quad. Comment
Read comments
Jul 25 2018
  UCD121150  Pinus ponderosa Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7348 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
  UCD47759  Pinus sabiniana R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 10 Napa Napa County, California. Mclaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  JEPS120444  Piperia transversa Jake Ruygt 1995-6-17 3503 Napa Southeast corner of Butts Canyon Road at Snell Valley Rd. Comment
  UCR205996  Plagiobothrys bracteatus Jake Ruygt 1996-5-13 3667 Napa 0.9 mi south of Pope Canyon Road on Hardin Road 184 Comment
  UCD120805  Plagiobothrys canescens Beecher Crampton 1955-4-7 2437 Napa Napa County, 7.8 miles north of Monticello. Comment
  UCD120814  Plagiobothrys canescens H. Popenoe 1949-4-17 13 Napa 8 miles west of Winters. Comment
  JEPS129132  Plagiobothrys cognatus Jake Ruygt 2011-5-7 5777 Napa Mill Valley near Angwin; central portion. Saint Helena 7.5' Quad. Comment
  UCR141016  Plagiobothrys fulvus var. campestris Beecher Crampton 1955-4-7 2436 Napa Inner North Coast Ranges, 7.8 miles north of Monticello 159 Comment
  JEPS106766  Plagiobothrys greenei Jake Ruygt 1983-4-8 1414 Napa south side of HWY 12 at Sonoma Co. line 88 Comment
  JEPS68083  Plagiobothrys nothofulvus W. L. Jepson 1924-4-6 10328 Napa Conn Valley Napa Range Comment
  UC25056  Plagiobothrys nothofulvus Willis L. Jepson 1893-4-25 Napa Caux's Knob w St. Helena; Caux's Knob Comment
  UCD161690  Plagiobothrys nothofulvus Jake Ruygt 2010-3-9 5482 Napa Lovell Valley Loop Road about 0.5 mile south of Napa / Sonoma line. 185 Comment
  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
  UCD161578  Plagiobothrys stipitatus var. micranthus Jake Ruygt 2007-5-5 5165 Napa Walnut Flat, near Wild Lake. 630 Comment
  JEPS68149  Plagiobothrys tenellus W. L. Jepson 1897-5-2 21148 Napa St. Helena Napa Valley Comment
  UC632459  Plagiobothrys tener var. subglaber Beryl O. Schreiber 1938-4-24 2499 Napa 1/2 mi sw Knoxville; Reiff Quad. 609 Comment
Read comments
Jun 14 2013
  UCD124445  Plantago erecta Alva Day 1965-5-15 65- 132 Napa Cedar Valley, west of Lake Berryessa. Comment
  UCD159902  Plantago erecta Alice Warrick; K. Walker 2007-4-3 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD18154  Plantago erecta Jean Shepard; with Plant Biology 102 class 2000-4-29 192 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  UCD68116  Plantago erecta Hilary Jane Ernst 1981-5-2 25 Napa 2.8 miles Northwest on Highway 128 from Moskowite Corners, to left of road, up trail. In a chaparral plant association, dominated by Pinus sabiniana, on a 10 degree slope. 243 Comment
  UC402910  Plantago erecta Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George Comment
  UCD15028  Plantago erecta Gail Matson 1977-4-16 13 Napa 6.4 miles SW of Monticello Dam on highway 128. 213 Comment
  JEPS110758  Plantago subnuda Jake Ruygt 1982-7-6 1364 Napa American Canyon area, next canyon north 173 Comment
  JEPS110899  Plectritis brachystemon Jake Ruygt 1996-4-6 3550 Napa about 100 ft above Rector Dam on south side of lake. 146 Comment
  JEPS4815  Plectritis brachystemon Miss R. Kuhn 1912-5-19 Napa Oakville Comment
  UCD49301  Plectritis ciliosa A. Van Houtte; E. Leger and C. Hohn 2001-4-14 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  UC903163  Plectritis ciliosa subsp. ciliosa Ethel Crum 1937-4-19 1777 a Napa 6 mi n of Napa (Napa Range, Mount George); Napa Range, Mount George 304 Comment
  JEPS110901  Plectritis ciliosa subsp. insignis Jake Ruygt 2003-3-22 4474 Napa Ink Grade, about 1 mi W of Pope Valley Road 280 Comment
  JEPS4814  Plectritis macrocera Miss R. Kuhn 1912-5-6 Napa Oakville Comment
  UCD137615  Plectritis macrocera J. D. Skoss 1948-4-10 s.n. Napa Putah Canyon, 12 miles above Winters. Comment
  UC1145108  Pleuropogon californicus Joseph P. Tracy 1938-6-6 15844 Napa between Napa City and Yountville Napa City; Napa Valley 30 Comment
  UC936193  Pleuropogon californicus H. L. Mason 1931-4-12 5833 Napa grounds s of Napa State Hospital Comment
  SEINET200841 Image available Poa howellii J. P. Tracy 1902-5-16 1510 Napa Howell Mountain head of Moore's Creek 3-4 miles E of Angwin's. 335 Comment
  UC184007  Poa howellii Joseph P. Tracy 1902-5-16 1510 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 335 Comment
  UCD91143  Poa howellii R. Tofsrud 1941-6-1 370 Napa near Calistoga. Comment
  CAS-BOT-BC246850  Poa napensis Peter H. Raven 1950-5-6 2026 Napa Near Old Faithful Geyser between Rts. 29 & 28, N. of Calistoga 182 Comment
  SBBG115661  Poa napensis B. Crampton 1955-5-9 2750 Napa ca. 2 mi N of Calistoga, Myrtledale Hot Springs Comment
  SEINET7256601  Poa napensis Peter H. Raven Napa Comment
  SACT001995  Poa scabrella M. Wiesendanger 1927-5-4 Napa Comment
  UCD17976  Poa secunda Ellen Dean; with Plant Biology 102 class 2001-4-14 701 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, below stock pond. 152 Comment
  JEPS85020  Poa secunda subsp. secunda Larry Heckard and Mary Ashton 1969-5-3 2224 Napa 7 mi ne Napa (Mead Ranch, off Atlas Peak Rd, above and w of meadow) 510 Comment
  JEPS110822  Pogogyne douglasii Jake Ruygt 1982-6-13 1320 Napa Pope Canyon Rd. near large vernal marsh 187 Comment
  JEPS110823  Pogogyne douglasii Jake Ruygt 1994-6-7 3399 Napa Calistoga Airport 100 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
  UC153995  Pogogyne douglasii Joseph P. Tracy 1903-5-15 1863 Napa Napara Valley, near Calistoga 91 Comment
  SEINET9289847  Pogogyne serpylloides Unknown 1993-5-1 10972 Napa Napa Co., CA Comment
  UCD49103  Pogogyne serpylloides A. Collier; D. Caterson and S. Kenady 2002-5-4 3 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of East and West roads, near stock pond, on the SW side of pond. 320 Comment
  UCR23626  Pogogyne serpylloides John C. Roos 1939-4-29 291 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  CDA3400  Polycarpon tetraphyllum J. T. Howell 1943-6-2 18242 Napa Hills west of Napa Valley between St. Helena and Mt. St. John. Comment
  JEPS30740  Polycarpon tetraphyllum John Thomas Howell 1943-6-20 18242 Napa between St. Helena and Mt. St. John (hills w of Napa Valley); w of Napa Valley 228 Comment
  UC160998  Polycarpon tetraphyllum Joseph P. Tracy 1902-5-26 1640 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 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
  POM126399  Polygala californica H. P. Chandler 1907-5-19 7581 Napa White Sulphur Spring, St. Helena Comment
  JEPS50531  Polygonum amphibium var. emersum Willis L. Jepson 1894-11-8 Napa Napa City Napa River Basin Comment
  UC77396  Polygonum bolanderi Katharine Brandegee Aug. 1888 Napa Howell Mountain Comment
  JEPS50624  Polygonum lapathifolium Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin, Howell Mountain Comment
  JEPS112597  Polygonum marinense Jake Ruygt 1989-7-9 2397 Napa Fagan Marsh 1 Comment
  CHSC103008  Polygonum persicaria Lowell Ahart 2009-10-12 16448 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS50656  Polygonum punctatum W. L. Jepson 1892-10-22 14803 Napa river bed near St. Helena; Napa River Comment
  UC1562672  Polygonum punctatum Barbara Ertter with Elizabeth Neese 1988-10-2 7953 Napa on creek below spillway on N side of Rt. 128 (ca 15 air mi nnw of Napa); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  UC703049  Polygonum ramosissimum John Thomas Howell 1932-10-8 10799 Napa Cuttings Wharf Napa River Comment
  OBI10872  Polygonum spergulariiforme Robert F. Hoover 1966-8-23 9920 Napa E side of Mt St Helena Comment
  CHSC102289  Polypogon interruptus Lowell Ahart 2009-10-12 16466 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC237255  Polypogon monspeliensis Peter H. Raven 1951-9-9 3889 Napa At Solano county line W of Highway 29 15 Comment
  JEPS116570  Polystichum imbricans subsp. imbricans Jake Ruygt 2002-3-16 4362 Napa Troutdale Creek west of Highway 29. Detert Reservoir 7.5' Quad. Comment
  CAS-BOT-BC445239  Portulaca oleracea R. E. Frenkel 1963-10-27 292 Napa In the vinyard north of Oakville Cross Road Comment
  JEPS122748  Proboscidea lutea Jake Ruygt 2006-9-10 5100 Napa West side of Highway 29, south of Darms Lane. Quad: Napa. Comment
  UCD144220  Prosartes hookeri G. F. Hrusa; G. L. Stebbins 1994-4-8 11708 Napa Las Posadas State Forest. Upper Moore's Creek. 450 Comment
  CAS-BOT-BC158580  Prunus Alice Eastwood 1922-5-5 11295 Napa Mt. St. Helena Comment
  UC12815  Prunus subcordata Willis L. Jepson 1893-4-24 Napa e of St. Helena Town (Napa River Basin, Napa River, Park Hill Bridge); Napa River Basin, Napa River, Park Hill Bridge Comment
  UC1543127  Prunus subcordata Charlotte G. Nast 1936-3-27 65 Napa Childs Canyon Comment
  JEPS20462  Pseudognaphalium beneolens Willis L. Jepson 1903-9-6 2349 Napa St. Helena Napa River Basin, St. Helena Comment
  JEPS95198  Pseudognaphalium biolettii Jake Ruygt 1987-3-19 1932 Napa Milliken Canyon 97 Comment
  UCD149589  Pseudognaphalium luteoalbum Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD159917  Pseudognaphalium microcephalum Alice Warrick 2007-4-20 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  JEPS120419  Pseudognaphalium microcephalum Jake Ruygt 2010-8-21 5745 Napa Buzzard's Roost, west slope above Staggs Leap. Comment
  UCD73461  Pseudognaphalium thermale Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC80151  Pseudotsuga menziesii Alice Eastwood 1918-5-1 6853 Napa Mt. St. Helena Comment
  UCD120917  Pseudotsuga menziesii var. menziesii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7338 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. North side of road. 519 Comment
  UCD147467  Psilocarphus brevissimus Ellen Dean; Diana Hickson 2014-4-29 8080 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UC1111581  Psilocarphus brevissimus var. brevissimus Herbert L. Mason 1935-5-30 2837 Napa just s Napa State Hospital Comment
  JEPS106923  Psilocarphus tenellus Jake Ruygt 1981-4-25 1004 Napa Table Mountain 762 Comment
  UCD170453  Psilocarphus tenellus Daniel Potter; Ninh Khuu 2016-6-8 882 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  JEPS85023  Pterostegia drymarioides Larry Heckard and Mary Ashton 1969-5-3 2217 Napa ca. 7 mi. n.e. Napa (off Atlas Peak Rd., above and w. of the meadow, Mead Ranch); Mead Ranch 510 Comment
  UC1199437  Pyrrocoma racemosa var. racemosa Joseph P. Tracy 1939-10-14 16508 Napa Myrtledale Hot Springs Calistoga 121 Comment
  CAS-BOT-BC36513  Quercus Peter H. Raven 1952-8-28 5157 Napa near Napa Soda Springs 228 Comment
  CAS-BOT-BC62709  Quercus X chasei Peter H. Raven 1951-6-26 3086 Napa Capell Valley to Wooden Valley 304 Comment
  UC1275954  Quercus X chasei J. M. Tucker 1954-9-23 2757 Napa 6.5 mi (by road) s Highway 37 junction with Highway 28 (beside Highway 37) Comment
  JEPS77932  Quercus X morehus Edward Lee 1935-12-1 1677 Napa ca 1 mi se Wooden Valley (on Wooden Valley-Monticello Road (3.5 mi s of junction), valley of the w fork of Suisun Creek) Comment
  JEPS37714  Quercus agrifolia W. L. Jepson 1901-8-6 1718 Napa St. Helena Napa River Basin Comment
  JEPS37806  Quercus agrifolia W. L. Jepson 1937-4-10 18004 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UCD118400  Quercus agrifolia Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat, just south of main meadow. 387 Comment
  UCD45014  Quercus agrifolia Frank W. Gould 1939-4-6 595 Napa Five miles east of Napa, grove of trees in Arctostaphylos-Ceanothus chaparral. Trees 20 to 30 feet tall. Comment
  SFV878  Quercus berberidifolia M. Shaw 1963-5-13 s. n. Napa North Coast Ranges Vaca Mountains. Below CA-Highway 128, 4 miles west of Monticello Dam. 120 Comment
  UCD14831  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -4 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD45214  Quercus berberidifolia D. Q. Cavagnaro 1963-9-13 37 Napa On eastern side of range between Sonoma and Napa Valleys, 5 miles southwest of Oakville, Napa County, California. Comment
  UCD45756  Quercus berberidifolia Beecher Crampton 1959-8-14 5435 Napa Markley Canyon, Vaca Mtns. Napa County. Comment
  UCD45854  Quercus berberidifolia Thomas Morley 1941-5-11 128 Napa On west bank of Putah Creek immediately above junction with Butts Creek, Napa County. Elevation 461 feet. 140 Comment
  UCD83393  Quercus berberidifolia Jake Ruygt 1992-9-24 3156 Napa Lower Chiles-Pope Valley Rd., N of Berryessa Knox Rd. 201 Comment
  UCD92285  Quercus berberidifolia J. M. Tucker 1953-10-25 2692 Napa Upper road bank of Highway 28, 2.0 mile (by road) west of junction with Highway 37. Capell Canyon. Comment
  CAS-BOT-BC62459  Quercus chrysolepis Peter H. Raven 1953-5-2 5405 Napa Rector Creek 396 Comment
  UCD120918  Quercus chrysolepis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7339 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. North side of road. 519 Comment
  UCD83394  Quercus chrysolepis Jake Ruygt 1991-5-4 2636 Napa Friesen's Lakes, Lake Henne. 548 Comment
  CAS-BOT-BC85937  Quercus douglasii John Thomas Howell 1927-8-23 3043 Napa On hills on N side of Chiles Valley, Napa Range 213 Comment
  CAS-BOT-BC85940  Quercus douglasii Peter H. Raven 1953-4-2 5277 Napa hills of Tulucay Creek 243 Comment
  JEPS116541  Quercus douglasii Jake Ruygt 1996-5-4 3644 Napa Butts Canyon Road at James Creek Road; field to SE. Aetna Springs 7.5' Quad. Comment
  UCD45639  Quercus douglasii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCD83395  Quercus douglasii Jake Ruygt 1990-4-7 2461 b Napa Lake Hinman, W of Veterans' Home. 134 Comment
  JEPS37800  Quercus dumosa W. L. Jepson 1938-9-28 19042 Napa La Jota Mesa Howell Mts. Comment
  SEINET12029187  Quercus dumosa Unknown 1941-1 126 Napa west bank of Putah Creek immediately above junction with Butts Creek Comment
  CAS-BOT-BC79838  Quercus durata C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC79846  Quercus durata H. E. McMinn 1922-6-8 199 Napa hill side along Pope Creek Comment
  CDA21884  Quercus durata H. Stabo 1968-10-21 Napa 0 Comment
  RSA624179  Quercus durata J. M. Tucker, G. L. Stebbins 1950-11-5 2011 -18 Napa Below Conn Valley Dam, hillside across creek from the picnic area. Comment
  UCD14803  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2006 -2 Napa California, Napa Co.; beside road up Howell Mountain, ca. 6 mi. north of St. Helena; Comment
  UCD14804  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2006 -3 Napa California, Napa Co.; beside road up Howell Mountain, ca. 6 mi. north of St. Helena; Comment
  UCD14841  Quercus durata John M. Tucker 1950-11-12 2014 -19 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD45888  Quercus durata Beecher Crampton 1962-10-9 6706 Napa northend of Capell Valley, above Capell Creek, State Hwy. 128. Comment
  UCD45980  Quercus durata G. F. Hrusa; M. Hooper 1995-9-12 12463 Napa Serpentine margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam. 100 Comment
  UCR43184  Quercus durata L. F. LaPre 1985-5-3 s.n. Napa Inner North Coast Ranges, Livermore Road between hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake county line, south of Three Peaks. 671 Comment
  UCD15986  Quercus durata var. durata C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 3 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 11.3'' N; 122 deg. 21' 13.4'' W; 530 m. Comment
  UCD45911  Quercus durata var. durata Barbara Rice 1965-9-27 1 Napa Knoxville Road, 1 mile northeast of junction with State Highway 128, Napa County, California. Comment
  UCD45941  Quercus durata var. durata G. L. Stebbins, jr. 1948-5-9 3939 Napa In Capell Canyon, on road from Monticello to Rutherford, 9 miles southeast of Monticello. Comment
  JEPS126031  Quercus garryana Jake Ruygt 1992-9-24 3157 Napa Dry Creek Road west of Oakville Grade; near Bumpy Camp. Rutherford 7.5' Quad. Comment
  RSA151  Quercus garryana var. garryana J. T. Howell 1927-8-23 684 Napa Chiles Valley, Napa Range. 213 Comment
  UCD46060  Quercus garryana var. garryana J. M. Tucker 1952-4-22 2358 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. Comment
  UCD46068  Quercus garryana var. garryana J. M. Tucker 1954-9-23 2758 Napa 7.5 miles west of Oakville (Napa County), just about on Napa-Sonoma County line, California. Comment
  UCD46099  Quercus garryana var. garryana J. M. Tucker 1966-4-17 3938 Napa Beside Dry Creek, 0.2 mile west of junction of Trinity (Glen Ellen to Oakville) Road and Mt. Veeder Road, 3.4 miles (by road) southwest of Oakville, Napa County, California. Comment
  CAS-BOT-BC105302  Quercus kelloggii Elsa G. Ruckert 1960-4-2 59 Napa 6495 Dry Creek Road, woods SW of house 300 yards 365 Comment
  SEINET2066834 Image available Quercus kelloggii Royal D. Suttkus 1967-6-26 67 -308 Napa Clearly Reserves, 7.2 mi NW of Pope Valley Comment
  UCD46679  Quercus kelloggii K. Esau 1937-4-22 s.n. Napa Monticello-Napa Highway. Comment
  UCD46687  Quercus kelloggii Willis L. Jepson 1901-11-17 1752 Napa St. Helena, Napa River Basin. Comment
  UCD46705  Quercus kelloggii W. L. Jepson 1900-3-8 505 Napa St. Helena, Napa River Basin. Comment
  POM106155  Quercus lobata Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  RSA28534  Quercus lobata E. K. Balls, P. C. Everett 1953-10-15 18677 Napa 5.5 miles south of junction of highways 37 and 28, between Monticello and Napa. 305 Comment
  SACT002665  Quercus lobata John Willoughby 1979-5-25 Napa About 1 mile south of Signal Hill just below and to the west of the Blue Ridge, in foothill woodland on the north side of the flat. 609.6 Comment
  CAS-BOT-BC104979  Quercus wislizeni John Thomas Howell 1926-3-28 1764 Napa Trail to top of Mt. St. Helena Comment
  CAS-BOT-BC104981  Quercus wislizeni Peter H. Raven 1951-8-20 3860 A Napa East Point, near Lokoya 609 Comment
  UCD47491  Quercus wislizeni John M. Tucker 1941-9-20 397 Napa On road bank; Putah Canyon, a short distance west of Redbud Park, Napa County, California. Comment
  JEPS110892  Ranunculus aquatilis var. hispidulus Jake Ruygt 1982-5-16 1267 Napa .2 mile south of Foss Valley on Atlas Peak Rd. 417 Comment
  UC160921  Ranunculus californicus Joseph P. Tracy 1903-5-15 1845 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UCR12015  Ranunculus californicus Coleta A. Lawler 1964-3-24 19 Napa 7 mi. from Napa; Mt. Veeder Rd. 2 mi north of Jct. Dry Creek Rd Comment
  UCR47044  Ranunculus californicus J. Nevin 1987-4-12 05 Napa Coast Range, Napa. East end of Brown's Valley, 1 mi on Buhman Ave. from Brown's Valley Road 61 Comment
  UC9499  Ranunculus californicus Willis L. Jepson 1896-2-22 Napa Stone Bridge Hill Napa River Basin Comment
  CAS-BOT-BC378486  Ranunculus californicus var. californicus Peter H. Raven 1953-4-2 5238 Napa Hills E of Imola 121 Comment
  CAS-BOT-BC378489  Ranunculus californicus var. californicus Elsa G. Ruckert 1960-4-24 115 Napa 6495 Dry Creek Road; road leading in to property and meadows to left and right 365 Comment
  JEPS110875  Ranunculus hebecarpus Jake Ruygt 1986-3-29 1672 a Napa Toll Canyon 210 Comment
  UC136198  Ranunculus lobbii C. F. Baker 1903-4-19 1997 Napa St. Helena Comment
  JEPS84650  Ranunculus muricatus John W. Willoughby 1979-5-25 4300 Napa about 1 mi s Signal Hill (just below and to w of Blue Ridge, below stock pond); Vaca Mountains, Pansy Flat 609 Comment
  JEPS55170  Ranunculus occidentalis Willis L. Jepson 1893-3-13 Napa hills e St. Helena; Napa River Basin Comment
  UC9478  Ranunculus occidentalis H. P. Chandler 1900-5-7 Napa Rutherford Comment
  JEPS55167  Ranunculus occidentalis W. L. Jepson 1897-5-2 Napa near St. Helena; Napa Valley Comment
  SEINET5718619 Image available Ranunculus occidentalis Shirley C. Tucker 1964-1 6092 B Napa Route 138, 4 miles east of Moscovitz Corner.; Moscovitz Corner Comment
  POM268844  Ranunculus occidentalis var. eisenii L. R. Abrams 1928-5-3 12253 Napa Summit St. Helena Grade Comment
  SEINET215120  Ranunculus occidentalis var. eisenii B. Bearce 1965-4-4 18 Napa Ca 19 mi W of Winters on CA Hwy 121 Comment
  UC9388  Ranunculus orthorhynchus var. bloomeri Willis L. Jepson 1893-4-26 Napa Rutherford Napa River Basin Comment
  UC162818  Ranunculus pusillus Joseph P. Tracy 1902-5-18 1531 Napa La Jota Plateau Northern Coast Region, Howell Mountain (on hills at head of Moore's Creek, 3-4 mi e of Angwin's) 518 Comment
  OBI14977  Raphanus raphanistrum R. L. Hoover 1968-4-20 54 Napa .25 mi from Pope Valley jctn, E on Chiles & Pope Valley Rd, in field E of service station Comment
  OBI14976  Raphanus raphanistrum R. L. Hoover 1968-4-11 19 Napa One block W of hwy 1 on Palm Ave, Marina Comment
  JEPS25884  Reseda lutea Alice King July, 1919 Napa Van Ness ranch Mt. St. Helena region Comment
  HSC103814  Reseda luteola David J. Keil, V. L. Holland, Lynne Dee Oyler, G. Fred Hrusa, G. L. Stebbins 1994-6-6 24509 Napa Near east end of Lake Hennessy along Highway 128. 150 Comment
  CAS-BOT-BC362894  Rhagadiolus stellatus John Thomas Howell 1980-5-15 53451 Napa Oakville Grade sw. of Oakville 152 Comment
  RSA7786  Rhamnus californica Carl B. Wolf 1928-5-4 1856 Napa Upper slopes of Mount St. Helena. Comment
  UC725829  Rhamnus californica A. A. Heller 1940-6-13 15738 Napa e side Mt. St. Helena (on the road leading to the summit, just above the trail leading down to the Stevenson Tablet) Comment
  RSA7746  Rhamnus tomentella subsp. crassifolia Carl B. Wolf 1928-2-25 1506 Napa 3 miles N of summit of the Mt. St. Helena Grade, near the Napa Lake County line. Comment
  UC592788  Rhamnus tomentella subsp. crassifolia unknown 1928-2-25 1506 Napa 3 mi n summit of Mt. St. Helena Grade (near Lake-Napa Cos. line) Comment
  HSC43983  Rhododendron occidentale Robert M. Specht 1977-4-14 665 Napa N of Adams Creek 561 Comment
  JEPS106403  Rhododendron occidentale Jake Ruygt 1987-5-16 1992 Napa Bismark Knob 579 Comment
  SFV8771  Rhododendron occidentale J. W. Katberg, Jr. 1966-5-11 46 Napa North Coast Ranges 1 mile north of Cedar Valley by Knoxville. 400 Comment
  UC413095  Rhododendron occidentale H. P. Chandler 1907-4-25 7537 Napa below Conn Valley (Chiles Valley Road); Chiles Valley Road Comment
  UCD164590  Rhododendron occidentale A. Amezcua 1995-4-29 3 Napa Along the side of Butts Canyon Road, 500 m south of Snell Valley Road. 400 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
  CAS-BOT-BC199735  Rhododendron occidentale var. californicum Ira L. Wiggins 1949-4-30 12093 Napa On northeastern slopes of Mount St. Helena, near Lake County line Comment
  UCD48422  Rhus aromatica C. Matthews; T. Petrie, C. Little, and K. Glover 2001-4-14 23 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; 50 ft. NW of jct between West Rd. and S. Decker Cayon Rd. in creek bed. 152 Comment
  UC1543120  Rhus trilobata Charlotte G. Nast 1936-3-27 39 Napa Putah Canyon Comment
  UC17961  Rhus trilobata Willis L. Jepson 1894-5-1 Napa Bonn Creek; Napa River Basin Comment
  CAS-BOT-BC92977  Ribes californicum var. californicum H. E. McMinn 1922-6-8 209 Napa Along Pope Creek. Comment
  UCD167069  Ribes californicum var. californicum Jake Ruygt 2006-4-25 5003 Napa Wildlake Ranch, upper Bell Canyon. Comment
  UCD19944  Ribes malvaceum E. A. Dean; Virginia Boucher 2002-2-28 905 Napa Quail Ridge Reserve. Along upper trail, going N of stock pond at ridge top; going towards power lines, 0.1 airline miles S of powerlines, just upslope where lower and upper trails meet. 286 Comment
  UCD33890  Ribes malvaceum Beecher Crampton 1975-2-17 9106 Napa Napa County, 1/2 mile west of Monticello Dam. Comment
  UC1753838 Image available Ribes malvaceum var. malvaceum Annetta M. Carter, Edward Lee 1935-12-1 1017 Napa Wooden Valley Grade E of Napa on road to Monticello. 43.1 mi. from Berkeley. Comment
  JEPS9658  Ribes menziesii Willis L. Jepson Napa mountain summit w St. Helena (trail to <?>houx's Knob) Comment
  CAS-BOT-BC198891  Ribes roezlii var. cruentum C. B. Wolf 1928-2-25 1499 Napa Mt. St. Helena Inn at summit of Mt. St. Helena Grade Comment
  CAS-BOT-BC209365  Ribes sanguineum var. glutinosum E. L. Greene 1874-4-13 s.n. Napa Napa Valley Comment
  CAS-BOT-BC168758  Ribes victoris Peter H. Raven 1951-6-10 2938 Napa Crater Region e. of Palisades 762 Comment
  JEPS110835  Ribes victoris Jake Ruygt 1989-3-18 2239 Napa Farm Labor Camp near Rector Res 73 Comment
  JEPS49309  Ribes victoris Alice King July, 1919 Napa Napa Range, Mount St. Helena, Van Ness Ranch Mount St. Helena; Napa Range, , Van Ness Ranch Comment
  HSC83455  Rigiopappus leptocladus G. Holstein 1977-5-11 Napa Edge of highway, along Hwy. 128, 0.2 mi. S of intersection with Barryessa-Knoxville Rd., Capell Valley Comment
  JEPS106904  Rigiopappus leptocladus Jake Ruygt 1998-5-11 3961 x Napa Greeg Mountain 445 Comment
  JEPS106905  Rigiopappus leptocladus Jake Ruygt 1981-5-21 1039 Napa ridge west of Putah Creek, north of Snell Valley 231 Comment
  UCD170437  Rigiopappus leptocladus Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 909 Napa Knoxville Wildlife Area, west of Berryessa-Knoxville Road. 348 Comment
  UCD18103  Rigiopappus leptocladus Ellen Dean; with Plant Biology 102 class 2000-4-22 612 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  CAS-BOT-BC363048  Rigiopappus leptocladus David D. Keck 1933-5-29 2341 Napa Pope Creek Bridge, south of Walters Springs. South wall of Pope Creek Canyon Comment
  SEINET5708897 Image available Rigiopappus leptocladus Glen Holstein 1977-1 s.n. Napa Along State Hwy 128, 0.2 miles south of intersection with Berryessa-Knoxville Road, Capell Valley.; Capell Valley Comment
  RSA128549  Robinia pseudoacacia Peter H. Raven 1953-5-2 5420 Napa Napa River near Bridge. 46 Comment
  CAS-BOT-BC74595  Rorippa curvisiliqua Peter H. Raven 1952-5-29 4079 Napa Napa River 1 mile north Napa. 60 Comment
  CAS-BOT-BC74592  Rorippa curvisiliqua John Thomas Howell 1926-4-3 1782 Napa Near Yountville. Comment
  CAS-BOT-BC74594  Rorippa curvisiliqua John Thomas Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, Saint Helena. Comment
  CAS-BOT-BC147535  Rosa californica J. T. Howell 1933-8-27 11629 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC148154  Rosa gymnocarpa Peter H. Raven 1950-5-6 2035 Napa S. limits of Calistoga, on Rt. 28 60 Comment
  UC12905  Rosa gymnocarpa Willis L. Jepson 1894-4-30 Napa w Calistoga; Napa River Basin, Rebecca Ranch grade Comment
  SEINET7665491  Rosa gymnocarpa H. P. Chandler 1906-1 7112 Napa Alta Loma Ranch, Howell Mountain. 488 Comment
  CAS-BOT-BC156589  Rubus bifrons Peter H. Raven 1952-5-29 4075 Napa Napa River 1 mi. n. Napa 60 Comment
  CAS-BOT-BC156911  Rubus ursinus Elsa G. Ruckert 1960-4-3 67 Napa 6495 Dry Creek Road 365 Comment
  JEPS110651  Rubus ursinus Jake Ruygt 1979-4-17 521 Napa Napa River at Oak Knoll Ave. 15 Comment
  UCD118112  Rumex acetosella Megan Mateo; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. Ca. 0.1 mile from fire station along undeveloped road, on north side of road. 518 Comment
  UCD101004  Rumex acetosella Mary Lou Douglass 1976-4-24 29 Napa Atlas Peak Road. P.M. 4.5 from Rt 121. 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
  POM161356  Rupertia physodes Rimo Bacigalupi 1928-6-20 1867 Napa Howell Mt, 10 miles W of St Helena Comment
  SEINET9331061  Rupertia physodes Unknown 1953-5-19 1301 Napa Dense stand under oaks, along Hwy 128 about 9 mi E of Rutherford. Comment
  UCD54296  Saccharum ravennae Jeffrey L. Firestone 2004-7-14 1 Napa McLaughlin Reserve; precisely at the intersections of Sections 1,2,11,12 of Range 5W, Township 11N. Alternately near waterline of holding ponds at western base of site 5 waste rockpile, to the southwest of the Homestake main pit and the former Manhattan mine site. Comment
  JEPS106743  Salicornia virginica Jake Ruygt 1991-7-19 2764 Napa south of the end of S. Jefferson St. 1 Comment
  CAS-BOT-BC108661  Salix breweri M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  JEPS118644  Salix breweri B. Castro and L. P. Janeway 2002-5-12 1369 Napa Inner North Coast Ranges. Ca 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. Knoxville 7.5' quad. Comment
  JEPS15364  Salix breweri W. L. Jepson 1938-6-8 18902 Napa Butte Canyon; bottom Comment
  SBBG28800  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butts Cyn between Pope Springs and Aetna Valley 91 Comment
  UC481207  Salix breweri Ball, Bracelin, Parks and Parks 1931-4-21 25 Napa near junction with St. Helena Creek (about 6 km s of Middletown, about 120 m above creek mouth); Mirabel Creek 420 Comment
  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
  JEPS122770  Salix gooddingii Jake Ruygt 2011-5-11 5783 Napa Putah Creek shoreline of Lake Berryessa, Berryessa Estates. Quad: Walter Springs. Comment
  JEPS38385  Salix laevigata W. L. Jepson 1900-3-8 506 Napa Hunt's Meadow St. Helena Comment
  CAS-BOT-BC539356  Salix laevigata Jake Ruygt 2008-4-24 5304 -c Napa Soscvol Creek at Hwy 29 19 Comment
  UCD164802  Salix laevigata Jake Ruygt 1994-4-26 3356 -b Napa North of Barnett and Pope Valley Rd. 240 Comment
  UC483317  Salix lasiandra subsp. lasiandra Ira L. Wiggins 1932-3-12 5750 Napa 1 mi. n. Calistoga (N. Fork Napa R.); N. Fork Napa R. Comment
  JEPS13066  Salix lasiandra var. lasiandra Willis L. Jepson 1903-9-6 2340 Napa St. Helena Napa River Basin, St. Helena Comment
  CAS-BOT-BC539357  Salix lasiandra var. lasiandra Jake Ruygt 2009-3-21 5388 Napa Larkmead Lane, S side of Napa River 85 Comment
  UCD164813  Salix lasiandra var. lasiandra Jake Ruygt 2007-3-31 5138 Napa Las Posadas State Forest, Moore Creek near Recreational Flat. 359 Comment
  UC524082  Salix lasiolepis Ira L. Wiggins 1932-3-12 5752 Napa 1 mi n Calistoga; North Fork of the Napa River Comment
  UCD73517  Salix lasiolepis Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC539352  Salix lasiolepis Jake Ruygt 1979-3-8 441 Napa 2.4 mi NW of Browns Valley Rd. On Redwood Rd. 109 Comment
  UCD164809  Salix lasiolepis Jake Ruygt 1979-3-8 441 Napa 2.4 miles NW of Browns Valley Rd. On Redwood Rd. 109 Comment
  UCD164810  Salix lasiolepis Jake Ruygt 1993-2-19 3164 Napa Along access road to Fagan Slough, Napa County Airport. 7 Comment
  CAS-BOT-BC124415  Salix lasiolepis var. lasiolepis Peter H. Raven 1954-2-22 6418 Napa flood plain of White Sulphur Creek 106 Comment
  SBBG29033  Salix lucida subsp. lasiandra I. L. Wiggins 1932-3-12 5750 Napa N fk of Napa River, 1 mi N of Calistoga Comment
  JEPS120367  Salvia argentea Jake Ruygt 2001-7-2 4319 Napa On private road south of Lake Hennessey boat-ramp. Yountville 7.5' Quad. Comment
  UCD48054  Salvia columbariae A. Ryan; S. Burgess, A. Hufton, J. Pierner, and B. Takahashi 2000-4-29 16 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of old town of Knoxville. 609 Comment
  CAS-BOT-BC225172  Salvia sonomensis H. E. McMinn 1925-5-25 970 Napa Summit Wooden Valley Grade Comment
  OBI13529  Salvia sonomensis H. E. McMinn 1923-5-25 970 Napa Summit Wooden Valley Comment
Read comments
Dec 13 2012
  UCD149684  Salvia sonomensis 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
  SEINET12323505  Salvia sonomensis W. Knight, Knight, I. 1982-1 4678 Napa Wooden Valley Road Comment
  UCR196224  Sambucus mexicana Ryan Knox, E. McDermott, G. Walden 2002-4-13 03 Napa McLaughlin UC Reserve. 0.4 mi south of old town of Knoxville, 0.7 mi west along Knoxville-Berryesa Road 432 Comment
  UCD48845  Sambucus nigra subsp. caerulea Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 17 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along South Decker Canyon Rd. just S of jct. with Cut-Off Rd. 219 Comment
  JEPS112609  Samolus parviflorus Jake Ruygt 1987-7-13 2070 Napa west bank Napa River just south of Lincoln St. 2 Comment
  JEPS104480  Sanicula bipinnata Jake Ruygt 1977-4-3 167 Napa hills east of Lake Berryessa,Green Canyon 228 Comment
  UCSB4638  Sanicula bipinnatifida Keator, Glenn 1959-4-1 Napa About 0.2 miles south of northwest Calistoga city limits on highway 128 Comment
  UCD169889  Sanicula crassicaulis Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 729 Napa Knoxville Wildlife Area. 311 Comment
  JEPS991  Sanicula laciniata Willis L. Jepson 1893-5-1 14186 Napa Napa River Basin, Upper Napa Valley, Franz Valley Grade Franz Valley Grade; Napa River Basin, Upper Napa Valley, Franz Valley Grade Comment
  JEPS43798  Saxifraga californica Mrs. Mary Van E. Ferguson 1919-4-13 211 Napa near Atlas Comment
  JEPS943  Scandix pecten-veneris W. L. Jepson 1922-4-21 9625 Napa Napa Junction Comment
  JEPS944  Scandix pecten-veneris W. L. Jepson 1893-1 14242 Napa Napa Valley, Oak Knoll Oak Knoll; Napa Valley, Oak Knoll Comment
  UCD128135  Scandix pecten-veneris J. M. Tucker 1951-4-11 2070 Napa south side of Howell Mountain, 5.5 miles below Angwin, on road to St. Helena. Comment
  CAS-BOT-BC111472  Schoenoplectus americanus Peter H. Raven 1952-8-26 5139 Napa Salt marshes near Bentley Wharf. 15 Comment
  JEPS106749  Scleranthus annuus subsp. annuus Jake Ruygt 1993-5-1 3231 Napa Cedar Creek Rd. at Cedar Creek. 548 Comment
  UC1125698  Scrophularia californica A. Lewis 1932-5-17 85 Napa Sarcos Canyon; Napa Quadrangle 152 Comment
  UC1239702  Scutellaria californica Joseph P. Tracy 1899-7-3 401 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  RSA276104  Scutellaria siphocampyloides Harry Goff 1936-5-1 s.n. Napa 5.5 mi. from Napa on Monticello Rd. up old wagon road 1/4 mi., then to left on top of ridge near Eucalyptus tree. Comment
  CAS-BOT-BC417003  Sedella pumila John Thomas Howell 1939-5-7 14656 Napa Napa Comment
  POM142366  Sedella pumila A. A. Heller, H. E. Brown 1902-4-25 5360 Napa Near Napa Comment
  SD77911  Sedum spathulifolium Betty H. Johnson 1958-6-15 617 Napa Near St. Helena River, 6.4 miles southwest of Middletown. Comment
  UC2061491  Selaginella wallacei D. G. Kelch 2012-8-4 12 .253 Napa Above California Veteran's Home. Comment
  UCD149720  Selaginella wallacei Stephen P. Rae; Ayzik Solomeshch 2007-3-14 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD20191  Selaginella wallacei James French 1969-2-15 s.n. Napa 7 miles NE of Napa on State Highway 121. Comment
  CAS-BOT-BC363357  Senecio aronicoides Peter H. Raven 1951-5-20 2857 Napa Hills w. Oakville 548 Comment
  CAS-BOT-BC363359  Senecio aronicoides J. Clausen 1935-5-23 1072 c Napa Howell Mountain, near summit, 6.5 mi. N. of St. Helena Comment
  UC35924  Senecio aronicoides Willis L. Jepson 1894-4-30 Napa Rebecca Ranch grade , Rebecca Ranch grade (Napa River Basin) Comment
  UCR80866  Senecio clevelandii G. Fred Hrusa 1993-10-3 11425 Napa 2.6 mi SW along Knoxville-Devilhead Rd. from Knoxvllle-Berryessa Rd. 488 Comment
  SEINET7075536  Senecio eurycephalus A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  RSA155773  Senecio eurycephalus P. H. Raven 1962-5-31 17919 Napa On Lower Lake-Knoxville Road, 1.9 miles south of Lake county line. Comment
  RSA273383  Senecio eurycephalus Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2348 Napa Along Morgan Valley Rd. ca 1.5 mi E of Lake Co. line Comment
  CDA11136  Senecio vulgaris G. F. Hrusa, G. L. Stebbins, H. Townsend 1994-4-25 11826 Napa North Coast Biodiversity Arena; Mt. George Comment
  UCD159909  Senecio vulgaris Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section. 243 Comment
  CAS-BOT-BC85776  Sequoia sempervirens Peter H. Raven 1951-6-26 3071 Napa Wooden Valley Grade 304 Comment
  CAS-BOT-BC85824  Sequoia sempervirens Peter H. Raven 1954-1-22 6382 Napa Near Sulphur [Sulfur] Springs Resort, west of St. Helena 30 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-BC240237  Setaria viridis Peter H. Raven 1952-9-14 5182 Napa Napa State Game Farm 121 Comment
  CAS-BOT-BC240239  Setaria viridis John H. Thomas 1966-5-8 11593 Napa At Louis Martini Winery, near St. Helena Comment
  UC28464  Sherardia arvensis H. P. Chandler 1900-5-7 Napa Rutherford Comment
  JEPS110711  Sidalcea calycosa Jake Ruygt 1979-4-19 528 Napa Suscol Hill behind PG&E substation 21 Comment
  UCD167286  Sidalcea diploscypha Jake Ruygt 1996-5-19 3719 Napa Chiles Valley at east end of large meadow. 228 Comment
  UCD116728  Sidalcea hartwegii T. Adams 1998-5-10 9 Napa about 3 miles up Soda Canyon Road, across the road from the 'Soda Hole. 198 Comment
  JEPS50055  Sidalcea hartwegii W. L. Jepson 1897-5-2 14069 Napa near St. Helena; near St. Helena Comment
  JEPS50094  Sidalcea hartwegii W. L. Jepson with R. F. Hoover 1938-6-8 18890 Napa Lower portion of Butts Canyon Comment
  UC198240  Sidalcea hartwegii H. P. Chandler 1907-5-8 7567 Napa White Sulphur Spr. , White Sulphur Spr. (St. Helena) Comment
  UCD167287  Sidalcea hartwegii Jake Ruygt 1998-6-8 4017 b Napa Atlas Peak Road, entry road to Milliken Reservoir. Comment
  UCD167288  Sidalcea hartwegii Jake Ruygt 1982-4-18 1190 Napa Calistoga Grade on Mount St. Helena. 353 Comment
  UCD20538  Sidalcea keckii E. Dean; w/ PLB 102 class 2002-4-4 1000 Napa McLaughlin UC Reserve. Along Knoxville-Berryesa road just W of turnoff to old town of Knoxville, N side of road. 441 Comment
  POM118515  Sidalcea malviflora subsp. laciniata Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS67252  Sidalcea oregana subsp. hydrophila Willis L. Jepson 1893-9-24 14062 Napa at Angwin's Napa River Basin, , Howell Mt. (Howell Mt.) Comment
  UC108877  Sidalcea oregana subsp. hydrophila T. S. Brandegee Aug. 1888 Napa Howell Mountain 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
  UC796479  Silene gallica Ira L. Wiggins 1949-4-30 12074 Napa about 1.5 mi ne Calistoga (along old toll road between Calistoga and Middletown); ne of Calistoga Comment
  UCD170357  Silene gallica Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 856 Napa Knoxville Wildlife Area, northeast of Zim Zim Falls. 465 Comment
  UCD170440  Silene gallica Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 912 Napa Knoxville Wildlife Area, Zim Zim Creek drainage northwest of Zim Zim Falls. 419 Comment
  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
  UCD48732  Sisyrinchium bellum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 18 Napa Quail Ridge Reserve: SE corner of Lake Berryessa, just W of Monticello Dam. Along Decker Bay Trail, 1/4 mi. from jct with West Rd. 152 Comment
  UCD48736  Sisyrinchium bellum C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 14 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. N of drainage between West Rd. and Decker Bay Trail; approx. 90' NW of jct of West Rd. and Decker Bay Trail. 160 Comment
  UCR178674  Sisyrinchium bellum Kook-Hyun Chung, M. Hauselt, C. Ineich, J. Deusterman 2001-4-28 007 Napa Vaca Mtns, Quail Ridge UC Reserve. SE corner of Lake Berryessa, just west of Monticello Dam, along West Road, c. 0.45 mi (2400 ft) NW of the junction with South Decker Canyon Road 242 Comment
  CDA39472  Sisyrinchium bellum T. C. Fuller 1958-5-1 3724 Napa 2.5 miles north of Calistoga. 0 Comment
  POM291000  Sisyrinchium bellum Lyman Benson 1930-3-31 2020 Napa Calistoga, North Coast mt. range, base of Mt. St. Helena 305 Comment
  RSA195329  Sisyrinchium bellum Gilbert Muth 1967-5-19 700 Napa Milliken Dam. 335 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
  JEPS113975  Smilax californica Jake Ruygt 1990-4-30 2474 Napa Napa River about 1/4 mile north of Trancas Street. Napa 7.5' Quad. Comment
  UCD170147  Solanum parishii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 734 Napa Knoxville Wildlife Area 257 Comment
  UCD170148  Solanum parishii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 734 Napa Knoxville Wildlife Area 257 Comment
  UCD21497  Solanum parishii Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4399 Napa Quail Ridge Reserve. 249 Comment
  JEPS11993  Solanum umbelliferum W. L. Jepson 1892-7-28 21261 Napa Zem Zem, north-eastern Napa County Comment
  POM204485  Solanum umbelliferum J. T. Howell 1933-5-21 11316 Napa Hills east of Napa. Comment
  UC1280958  Solanum umbelliferum H. E. McMinn 1922-6-7 195 Napa on summit of Howell Mountain Howell Mountain Comment
  UCD127080  Solanum xanti Andreas Stohr 1996-4-21 6 Napa along Road 128 near Cold Canyon Preserve. 180 Comment
  UCD49295  Solanum xanti E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 4 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Road, N of jct with South Decker Canyon Rd. in a shady gully downslope of road. Comment
  OBI74554  Solidago elongata David J. Keil 1986-11-8 19790 Napa Along lake Berryessa Knoxville Rd near Knoxville. 2.3 mi S of turnoff to Homestake McLaughlin Mine/Mill Comment
  UC127128  Solidago velutina subsp. californica Harley P. Chandler Sep 7 1906-Sep 14 1906 7117 Napa Alta Loma Ranch Howell Mountain, Alta Loma Ranch 487 Comment
  UCD18111  Solidago velutina subsp. californica K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 48 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
  JEPS18729  Soliva sessilis Willis L. Jepson 1893-5-8 14874 Napa Howell Mt. grade below New Eden; Napa River Basin, Howell Mt. Comment
  UCD120783  Sonchus oleraceus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7327 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  CAS-BOT-BC374657  Sonchus oleraceus Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  JEPS106615  Spergula arvensis Jake Ruygt 1977-2-16 128 Napa Big Ranch Rd. at Trancas St., SW corner 13 Comment
  CAS-BOT-BC390295  Spergularia macrotheca var. longistyla John Thomas Howell 1926-3-27 1759 Napa Myrtledale Hot Springs near Calistoga Comment
  HSC34855  Spergularia macrotheca var. longistyla Thomas W. Nelson, James Nelson 1975-5-5 1805 Napa Calistoga Airport Comment
  UC14962  Spiranthes porrifolia J. P. Tracy 1899-6-19 445 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Howell Mountain 518 Comment
  JEPS64519  Spiranthes porrifolia W. L. Jepson 1936-7-3 17632 Napa Four Corners Napa Range, Howell Mt. Comment
  JEPS63068  Stachys ajugoides var. rigida Willis L. Jepson 1893-4-24 14982 Napa hills e St. Helena (to head of Conn Valley); Napa River Basin Comment
  JEPS63063  Stachys ajugoides var. rigida W. L. Jepson 1936-5-31 17575 Napa La Jota plateau Howell Mtn. Comment
  SEINET9352740  Stachys albens Unknown 1976-8-8 13 Napa Napa County Comment
  SEINET9308544  Stachys bullata Unknown 1998-5-12 10 Napa Napa County Comment
  UCD49105  Stachys rigida var. quercetorum K. Hyun Chung; J. Deusterman, C. Ineich, and M. Hauselt 2001-4-28 18 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd., ca. 400 ft. as the crow flies NNW of jct of West Rd. and South Decker Canyon Rd. 230 Comment
  JEPS112632  Stachys stricta Jake Ruygt 1981-7-8 1062 Napa Bateman Creek 609 Comment
  JEPS112633  Stachys stricta Jake Ruygt 1986-5-29 1794 Napa Mt. George , west side 310 Comment
  CAS-BOT-BC386934  Stellaria media Elsa G. Ruckert 1960-2-20 2 Napa Dry Creek Road 365 Comment
  CAS-BOT-BC393989  Stellaria nitens John Thomas Howell 1931-4-2 6054 Napa Wooden valley Grade 4 miles east of Napa Comment
  CAS-BOT-BC375744  Stephanomeria virgata Peter H. Raven 1951-8-21 3871 Napa Mt. Veeder 762 Comment
  JEPS129047  Stephanomeria virgata subsp. pleurocarpa Jake Ruygt 2016-6-11 6281 Napa Smittle Creek, east side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  RSA769213  Stephanomeria virgata subsp. pleurocarpa L. Ahart 2009-10-12 16430 Napa Just above high water line of Lake Berryessa, along the west side of Capell Creek north of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  UC35826  Stephanomeria virgata subsp. pleurocarpa Willis L. Jepson 1893-9-23 Napa Upper Napa Valley Napa River Basin Comment
  JEPS36826  Stephanomeria virgata subsp. virgata Willis L. Jepson 1893-9-24 Napa Near Angwin's; Napa River Basin, Howell Mt. Comment
  JEPS123027  Stipa lemmonii Jake Ruygt 2002-4-17 4390 Napa North of Foss Valley, Atlas Peak, Vineyards (Antinori). Quad: Rutherford. Comment
  JEPS100377  Streptanthus breweri Dean W. Taylor 2001-5-15 17658 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS127895  Streptanthus breweri Adam C. Schneider 2013-5-26 212 Napa Uphill (west) side of road cut on Butts Canyon Road, 1.9 miles south of Snell Valley Rd. Comment
  UC956513  Streptanthus breweri Freed W. Hoffman 1947-6-18 1046 Napa at bridge over Pope Creek North Coast Ranges, Walter Springs Comment
  JEPS106606  Streptanthus breweri var. breweri Jake Ruygt 1995-6-17 3506 Napa About 1/2 mile south of Snell Valley Rd on Butts Canyon Road 304 Comment
  POM225546  Streptanthus glandulosus J. T. Howell 1931-4-19 6453 Napa Conn Valley. Comment
  CAS-BOT-BC87167  Streptanthus glandulosus subsp. glandulosus Peter H. Raven 1953-4-2 5283 Napa Burn east of Tulucay Creek. 426 Comment
  JEPS129022  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2016-4-2 6171 -C Napa Smittle Creek NCRPOD, W of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  RSA195351  Streptanthus glandulosus subsp. glandulosus Gilbert Muth 1967-5-17 685 Napa Summit of Oat Hill Road. 671 Comment
  UC1063483  Streptanthus glandulosus subsp. glandulosus B. O. Schreiber 1938-4-24 2493 Napa 5.2 mi nne Napa; Napa Quadrangle, Wooden Valley Grade 274 Comment
Read comments
Jan 14 2009
  UCD116013  Streptanthus glandulosus subsp. glandulosus Robert E. Preston 1988-4-10 578 Napa 0.4 mile SW of the confluence of Putah and Hunting Creeks. 268 Comment
  UCD116018  Streptanthus glandulosus subsp. glandulosus Bill Wengeler 1995-4-30 s.n. Napa 2 miles north of Highway 128 along Knoxville Road. 183 Comment
  UCD170438  Streptanthus glandulosus subsp. glandulosus Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 910 Napa Knoxville Wildlife Area on slope west of Berryessa-Knoxville Road. 517 Comment
  UCD74408  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1986-3-22 1668 Napa Vaca Mtns. east of Markley Cove. 426 Comment
  CAS-BOT-BC87330  Streptanthus hesperidis Roger Raiche 1986-5-5 60213 Napa Near Middletown, ca. 2 miles north on state route 29. 304 Comment
  UCD161709  Streptanthus morrisonii Jake Ruygt 2010-7-5 5663 Napa east of White Point. (Coorindates converted from UTM data by label maker.) 658 Comment
  UCD170356  Streptanthus morrisonii Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 855 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 468 Comment
  CAS-BOT-BC269540  Symphoricarpos albus var. laevigatus Peter H. Raven 1951-8-19 3842 Napa Near Lokoya 304 Comment
  UCD148766  Symphoricarpos albus var. laevigatus Jake Ruygt 1991-7-20 2786 Napa Napa County; Pope Creek at high water line of Lake Berryessa. 124 Comment
  UCD38863  Symphoricarpos albus var. laevigatus Beecher Crampton 1962-10-9 6703 Napa 1.25 miles southwest Angwin. Comment
  UCD110459  Symphoricarpos mollis Christopher Mallek 2008-1 KX2- 16 Napa Knoxville. 593 Comment
  UCD63194  Symphyotrichum chilense Jake Ruygt 2005-3-20 4703 Napa Alston Park, Dry Creek Rd., Napa. 54 Comment
  CAS-BOT-BC98080  Symphyotrichum lentum John Thomas Howell 1932-9-17 10758 Napa 3 miles west of Napa Comment
  JEPS40795  Symphyotrichum spathulatum Willis L. Jepson 1893-9-24 Napa Howell Mt. Comment
  JEPS40791  Symphyotrichum subspicatum W. L. Jepson 1894-11-6 Napa Calistoga Comment
  JEPS40770  Symphyotrichum subspicatum Willis L. Jepson 1894-11-7 Napa Napa City Napa River Basin Comment
  UC1949202  Symphyotrichum subulatum Barbara Ertter with Elizabeth Neese 1988-10-2 7950 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on N side of Rt 128 Comment
  OBI72075  Symphyotrichum subulatum var. parviflorum Barbara Ertter, Elizabeth Neese 1988-10-2 7950 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Crk in North coast Ranges, T7N R5W. below spillway on N side of Rt 128 91 Comment
  CDA31321  Taeniatherum caput-medusae D. G. Kelch 2010-5-6 10 .176 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD21544  Taraxacum officinale B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 2 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, next stream crossing W of confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  JEPS120387  Teesdalia coronopifolia Jake Ruygt 2001-3-24 4301 Napa NE of Table Rock along PG&E road. Detert Reservoir 7.5' Quad. Comment
  JEPS110690  Tetrapteron graciliflorum Jake Ruygt 1986-3-29 1671 Napa Toll Canyon 237 Comment
  JEPS110988  Thalictrum fendleri var. polycarpum Jake Ruygt 1979-6-3 670 Napa Aetna Springs Rd. 472 Comment
  JEPS55128  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-4-28 Napa grade n Wooden Valley grade; Napa River Basin Comment
  JEPS106595  Thelypodium brachycarpum Jake Ruygt 1982-6-15 1325 Napa Devilshead Rd. area north of Cedar Creek on road to Hunting Cr 387 Comment
  UC16393  Thermopsis californica var. californica Willis L. Jepson 1893-4-27 Napa Napa City Comment
  UCD108615  Thermopsis californica var. californica B. Crampton 1953-3-24 1025 Napa Along Hwy. 128, about 10 miles east of Rutherford. Comment
  UCD18087  Thermopsis californica var. californica Ellen Dean; with PLB 102 class 2000-4-22 643 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  UCSB7191  Thermopsis gracilis Keator, Glenn 1959-3-28 Napa About 1/2 mile above Conn's picnic grounds near Lake Hennessy, 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
  CAS-BOT-BC66479  Thysanocarpus curvipes John Thomas Howell 1930-3-23 4574 Napa Mount Saint Helena, 5 miles from Calistoga. Comment
  CAS-BOT-BC66517  Thysanocarpus curvipes Jim Steele 1980-4-11 44 Napa Pope Valley. Cleary Reserve. 0.25 mile from entrance gate. 365 Comment
  JEPS106594  Thysanocarpus curvipes Jake Ruygt 1993-4-12 3201 Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  SEINET7072529  Thysanocarpus curvipes A. G. Vestal 1963-4-8 s.n. Napa On Route 128 abut 5.2 miles east of the turn off to Pope Valley Road. Coordinate datum: NAD 27. Comment
  CAS-BOT-BC66508  Thysanocarpus curvipes John H. Thomas 1968-4-4 14274 Napa About 3 miles north of Calistoga on road to Lakeport. Comment
  UC11016  Thysanocarpus curvipes Willis L. Jepson 1894-5-1 Napa Conn Valley grade Conn Valley grad (Napa River Basin); , Conn Valley grade Comment
  UC857529  Thysanocarpus curvipes Milo S. Baker 1940-4-23 9552 Napa on Pope Creek 7 mi from Monticello; on Pope Creek Comment
  CAS-BOT-BC66963  Thysanocarpus laciniatus Peter H. Raven 1953-5-2 5398 Napa Summit of hills due east of Yountville. 304 Comment
  JEPS54141  Thysanocarpus laciniatus John Thomas Howell 1926-3-20 1693 Napa on road to Myrtledale Hot Springs 1 1/4 mi from Calistoga Comment
  JEPS106583  Thysanocarpus radians Jake Ruygt 1992-4-10 2906 Napa south of Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  RSA0049961  Thysanocarpus radians D. D. Keck 1931-4-2 1046 Napa 4 miles S. of Monticello, eastern Napa County. Comment
  UCD159916  Torilis arvensis Alice Warrick 2007-5-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  CAS-BOT-BC85168  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
  HSC99975  Torreya californica Michael Kauffmann 2011-6-11 16 Napa Along trail to Mount Saint Helena 701 Comment
  SEINET265710  Torreya californica Royal D. Suttkus 1967-6-26 67- 30 -22 Napa Clearly Reserves 7.2 mi NW of Pope Valley Comment
  UC1004707  Torreya californica J. M. Tucker 1954-4-22 2699 Napa 1 mi n of summit of road Mt. St. Helena (beside Highway 29, e side of Mt. St. Helena) Comment
  UCD20035  Torreya californica C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1203 Napa 8 miles north of Calistoga on Hwy 29, 1.2 miles north of crest of Hwy 29 on Mt. St. Helena. Comment
  JEPS45711  Toxicodendron diversilobum W. L. Jepson Jan. 1898 Napa St. Helena Comment
  JEPS63912  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19476 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek Comment
  UC869555  Toxicodendron diversilobum Alice Eastwood 1922-5-4 11256 Napa Calistoga Comment
  UCD110461  Toxicoscordion Christopher Mallek 2008-1 KX1- 7 -a Napa Knoxville. 593 Comment
  UCD170347  Toxicoscordion fontanum Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 846 Napa Knoxville Wildlife Area, south of Nevada Creek. 451 Comment
  UCD170448  Toxicoscordion fontanum Daniel Potter; Ninh Khuu 2017-5-14 920 Napa Knoxville Wildlife Area, along Nevada Creek. 317 Comment
  UCD48799  Toxicoscordion fremontii A. Collier; D. Caterson and S. Kenady 2002-5-4 16 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Along upper road leading to power lines. 335 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
  UCD18105  Trichostema laxum K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 41 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
  JEPS120352  Trichostema ruygtii Jake Ruygt 1991-8-1 2808 Napa Los Posados Road near fire station. Saint Helena 7.5' Quad. Comment
  UC1871375  Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa Mead Ranch, Atlas peak Road, south of Foss Valley 481 Comment
  UC137702  Trifolium albopurpureum C. F. Baker 1903-4-20 2625 Napa Mt. St. Helena, Napa Co. Comment
  UCD35560  Trifolium albopurpureum Beecher Crampton 1958-4-22 4738 Napa Markley Canyon, Vaca Mountains. Comment
  UC16497  Trifolium albopurpureum var. dichotomum Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin; Napa River Basin Comment
  UC1925904  Trifolium albopurpureum var. dichotomum Ethel Crum 1931-1 1068 Napa Near Aetna and Butts Canyon Roads. Comment
  UC866752  Trifolium albopurpureum var. dichotomum Lewis S. Rose 1935-4-18 35100 Napa Steel Canyon Comment
  JEPS117952  Trifolium alexandrinum Timothy H. Milliken with Michele Lee and Jake Ruygt Jun 14-17 2010 Napa plant found in two locations at Napa Co. Airport west of runway 18-36 in field alongside access road and on the west side of Lasco Road in line runway 9-24 Comment
  UCD148791  Trifolium bifidum Ellen Dean; Diana Hickson 2014-4-29 8099 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  JEPS65760  Trifolium bifidum var. bifidum E. K. Crum 1931-4-17 1055 c Napa 1/2 mi n P. O.; Pope Valley Comment
  UCD48976  Trifolium bifidum var. decipiens Kook-Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 10 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca.0.45 miles (2400 ft.) 'as the crow flies' NW of jct with South Decker Canyon Rd.; downslope of West Rd. ca. 20 m. 242 Comment
  JEPS106797  Trifolium campestre Jake Ruygt 1992-5-4 2931 Napa Westwood Hills Park, Browns Valley Rd. Napa 85 Comment
  UCD108358  Trifolium depauperatum var. amplectens D. C. Finfrock 1950-4-6 21 Napa 14 miles from Monticello, Pope Valley. Comment
  JEPS106801  Trifolium depauperatum var. depauperatum Jake Ruygt 1978-4-9 273 a Napa 2.2 miles NW of Dealy Lane on Henry Rd. 97 Comment
  UCD38372  Trifolium depauperatum var. truncatum Beecher Crampton 1955-4-4 2390 Napa 2 miles north of Calistoga. 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
  UCD78056  Trifolium fragiferum Robert E. Preston 2005-8-17 2367 Napa Ca. 1 mile NW of Napa Junction. 14 Comment
  UCD95680  Trifolium fragiferum Ellen Dean; with Clare Loughran 2011-5-20 7025 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  JEPS106808  Trifolium fucatum Jake Ruygt 1993-4-12 3200 Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  JEPS65865  Trifolium fucatum Willis L. Jepson 1893-4-24 13719 Napa e St. Helena (hills, to Conn Valley); Napa River Basin Comment
  UC137697  Trifolium gracilentum C. F. Baker 1903-4-19 1985 Napa Calistoga Comment
  UCD69024  Trifolium hirtum P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UC16633  Trifolium microcephalum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  UCD118559  Trifolium microcephalum Kaya MacMillen; 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
  UCD83411  Trifolium microcephalum Jake Ruygt 1982-4-7 1172 Napa Suscol Hill. 24 Comment
  JEPS129162  Trifolium microdon Jake Ruygt 2015-3-28 6058 Napa Upper Bohn Lake. Aetna Springs 7.5' Quad. Comment
  POM349632  Trifolium microdon J. T. Howell 1934-3-26 s.n. Napa Calistoga geysers. Comment
  UCD109164  Trifolium microdon K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  UCD109244  Trifolium obtusiflorum R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  JEPS106714  Trifolium oliganthum Jake Ruygt 1989-4-8 2250 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 182 Comment
  JEPS106715  Trifolium oliganthum Jake Ruygt 1992-4-4 2884 Napa Scott's Flat, Aetna Mine Rd. 505 Comment
  UCD35669  Trifolium oliganthum Beecher Crampton 1960-5-17 5539 Napa 6 miles west of Oakville. Comment
  JEPS126078  Trifolium repens Jake Ruygt 1978-9-19 421 Napa Napa River north of Trancas St. Napa 7.5' Quad. Comment
  JEPS106831 Image available Trifolium striatum Glenn Clifton 1993-5-11 28157 Napa Suscol Creek, east side of Hwy 221. 48 Comment
  UCD168552  Trifolium subterraneum Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD48989  Trifolium subterraneum K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 20 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. E-facing slope on disturbed road cut at the top of South Decker Canyon Rd. just below jct with Decker Ridge Rd. 350 Comment
  UC1103455  Trifolium variegatum Joseph P. Tracy 1902-5-17 1523 1/2 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 457 Comment
  UCD109430  Trifolium variegatum R. Tofsrud 1951-5-20 s.n. Napa Yountville cemetery. Comment
  POM216217  Trifolium variegatum var. melananthum D. D. Keck 1933-5-28 2336 Napa Between Pope Valley P.O. and Walters Springs. Comment
  JEPS106686  Trifolium variegatum var. pauciflorum Jake Ruygt 1991-5-11 2667 Napa intersection Aetna Extension Rd. with Oat Hill Mine Rd. 670 Comment
  UC16770  Trifolium variegatum var. variegatum W. L. Jepson May 2 1891-May 6 1891 Napa Little Oak Comment
  JEPS4401  Trifolium willdenovii Willis L. Jepson 1893-4-24 13672 Napa e St. Helena (hills, to Conn Valley); Napa River Basin Comment
  UCD109842  Trifolium willdenovii Heidi E. M. Dobson 1978-5-20 329 Napa East slope of Mt. Veeder. Comment
  POM18839  Trifolium willdenovii C. F. Baker 1903-4-19 1992 Napa Calistoga. Comment
  UCD109875  Trifolium willdenovii Helen K. Sharsmith 1963-3-17 5230 Napa Along Silverado Trail. 76 Comment
  JEPS106754  Trifolium wormskioldii Jake Ruygt 1982-5-8 1229 Napa north side of American Canyon 85 Comment
  CAS-BOT-BC520826  Trillium albidum J. D. Freeman; R. F. Freeman 1967-5-6 573 Napa 0.6 mi, W of Cal. Hwy. 29, just SW of Calistoga Comment
  CAS-BOT-BC520829  Trillium albidum Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UC1031218  Trillium chloropetalum Rolf Y. Berg 1954-4-8 Napa Sarco Creek in Howell Mt. (Hwy. 37); , Sarco Creek Comment
  JEPS106582  Triodanis biflora Jake Ruygt 1987-6-5 2028 Napa Wild Horse Valley Ranch near White Creek 402 Comment
  JEPS74865  Triphysaria eriantha subsp. eriantha T. I. and F. M. Chuang 1975-5-4 7510 Napa 5.7 mi e Pope Valley; e of Pope Valley Comment
  JEPS10403  Triphysaria eriantha subsp. eriantha W. W. Mott 1915-4-26 2 Napa hills w Napa; hills w Napa Comment
  JEPS10660  Triphysaria eriantha subsp. eriantha Willis L. Jepson 1893-4-27 21377 Napa Napa City; Napa River Basin Comment
Read comments
Jan 18 2009
  JEPS20135  Triphysaria eriantha subsp. eriantha W. W. Mott 1915-4-25 Napa Napa Comment
  CDA10904  Triphysaria pusilla G. F. Hrusa, M. Rejmanek 1993-5-15 11000 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC673458  Triphysaria pusilla A. E. Borell 1928-4-13 131 Napa ten mi se Petaluma Comment
  UC1222441  Triphysaria versicolor subsp. faucibarbata Joseph P. Tracy 1949-4-24 18288 Napa Myrtledale Hot Springs near Calistoga; Myrtledale Hot Springs 152 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
  CDA41890  Triphysaria versicolor subsp. faucibarbata T. C. Fuller 1958-5-1 s.n. Napa Highways 29 & 21, 6 miles south of Napa. 0 Comment
  JEPS74861  Triphysaria versicolor subsp. faucibarbata T. I. and F. M. Chuang 1975-5-4 7502 Napa on highway 29, 4.2 mi s Napa Comment
  UCD123417  Triphysaria versicolor subsp. faucibarbata Beecher Crampton 1950-5-7 570 Napa south of Yountsville, Napa Valley. 45 Comment
  JEPS129029  Triteleia hyacinthina Jake Ruygt 2016-5-21 6263 Napa Wantrup Wildlife Preserve, Hardin Road. Santa Helena 7.5' Quad. Comment
  UC657698  Triteleia hyacinthina M. Wiesendanger 1928-4-5 867 Napa Calistoga Comment
  RSA134117  Triteleia laxa John H. Thomas 1955-5-21 5150 Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 168 Comment
  UCD139378  Triteleia laxa J. Buck 1996-6-2 26 Napa along Highway 128 at intersection of Berryessa Knoxville Road. 48 Comment
  UCD139391  Triteleia laxa Carolyn Thomas 1974-4-14 10822 Napa near Yountville, near Thomas Ranch. 274 Comment
  JEPS62187  Triteleia peduncularis W. L. Jepson 1938-6-8 18892 Napa South Fork of Butts Creek Butts Canyon Comment
  RSA378085  Triteleia peduncularis Robert Gustafson, Don Reynolds 1983-6-7 2739 Napa Butts Canyon Road, about 2 miles north of the jct. with Aetna Springs Road. Comment
  UC618198  Triteleia peduncularis R. F. Hoover 1938-6-8 3541 Napa South Fork of Butts Creek Comment
  UCD139363  Triteleia peduncularis Beecher Crampton 1957-6-4 4104 Napa above Capell Creek, north end of Capell Valley. Comment
  UCD63053  Triteleia peduncularis Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 Comment
  CAS-BOT-BC91201  Umbellularia californica John Thomas Howell 1933-8-27 11623 Napa Sage Canyon, Napa Range. Comment
  CDA11147  Umbellularia californica G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11558 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa. Above Sarco Creek. Comment
  UCR12034  Umbellularia californica Coleta A. Lawler 1964-3-24 15 Napa Redwood Road, just west of junction with Browns Valley Road. 8 Comment
  JEPS106871  Uropappus lindleyi Jake Ruygt 1982-3-20 1137 Napa Campbell Flat, Mt.St.John 323 Comment
  JEPS35633  Uropappus lindleyi W. L. Jepson 1893-1 Napa upper Napa Valley; upper Napa Valley Comment
  JEPS35638  Uropappus lindleyi W. L. Jepson 1896-6-2 Napa Napa Valley Comment
  SBBG15296  Uropappus lindleyi H. and M. Dearing 1939-5-3 3262 Napa Near Street, Helena Comment
  JEPS11173  Verbascum blattaria W. L. Jepson 1936-6-2 17607 Napa near bridge on road to Sanitarium St. Helena (banks of Napa River); , St. Helena Comment
  JEPS106539  Vicia sativa subsp. nigra Jake Ruygt 1996-4-6 3551 Napa near ridgetop, sout of Rector Dam. 243 Comment
  UCD108896  Vicia sativa subsp. nigra Joseph M. DiTomaso 1976-4-10 409 Napa 4 miles west of Monticello Dam on Highway 128, Lake Berryessa. Comment
  UCD108922  Vicia sativa subsp. nigra David Lawfer 1952-3-29 142 Napa Napa. Comment
  UCD83431  Vicia sativa subsp. nigra Jake Ruygt 1986-5-29 1797 Napa Mt. George. 307 Comment
  UCD116979  Vicia villosa Jillian Howard; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. Just NE of fire station along dirt road. 519 Comment
  UCD168549  Vicia villosa Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  RSA129901  Vicia villosa Peter H. Raven 1951-6-10 2903 Napa Above Hanlys, Mt. St. Helena. 671 Comment