Search Results — 2000 specimen records retrieved (1464 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=NAPA; Source=All;   

Mapping Options:

BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(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.

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC331521  Acer macrophyllum Elsa G. Ruckert 1960-3-26 46 Napa 6495 Dry Creek Road 365 Comment
  CDA11424  Acer macrophyllum G. F. Hrusa, M. Tu 1995-5-6 12147 Napa North Coast Biodiversity Arena; along tributary of Schwartz Creek approx. 1.5 m. above Aetna Springs Comment
  SEINET4326871 Image available Acer macrophyllum Unknown 1967-6-26 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UCD17988  Acer macrophyllum Ellen Dean; with Plant Biology 102 class 2001-4-14 714 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along South Decker Canyon Rd., S of jct. with Cutoff Rd., near old homestead (bathtub, etc.). 259 Comment
  UCR141666  Acer macrophyllum Beecher Crampton 1965-8-23 7492 Napa 2.56 mi east of Moskowite Corners, State Hwy 128 Comment
  UCD117127  Acer negundo Loren Ruport 1996-4-28 25 Napa city of Napa, near Napa College. South of Kaiser Road and West of Highway 129. 5 Comment
  CAS-BOT-BC28692  Achillea millefolium P. H. Raven 1950-6-20 2357 Napa Napa Range, between Cona Valley and Howell Mountain Comment
  UCD128288  Achillea millefolium Richard Beaver 1965-5-1 150 Napa on slope with northeast exposure; 10 miles north of junction of Highway 121 and Highway 128. 182 Comment
  CAS-BOT-BC211901  Achnatherum coronatum G. L. Stebbins 1966-5-28 6426 Napa Markley Canyon, along State Highway 128, 3.5 miles west of Berryessa Dam 152 Comment
  UCD50281  Achnatherum coronatum Beecher Crampton 1959-10-6 s.n. Napa Along State Hwy. 128, Markley Canyon, Vaca Mountains, 2.7 miles southwest of Monticello Dam, Napa County. Comment
  CAS-BOT-BC29758  Achyrachaena mollis M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC29759  Achyrachaena mollis Peter H. Raven 1950-5-6 2021 Napa near Old Faithful Geyser, N of Calistoga 182 Comment
  UCD148098  Achyrachaena mollis Jake Ruygt 1977-4-24 194 Napa Napa County; Butts Canyon Rd. west of Pope Valley Elementary School. 213 Comment
  JEPS126082  Acmispon americanus var. americanus Jake Ruygt 1998-6-16 4029 Napa North of Barnett Roas, Pope Valley. Saint Helena 7.5' Qua. Comment
  UCD47971  Acmispon brachycarpus A. Ryan; S. Burgess, A. Hufton, J. Pierner, B. Takahashi 2000-4-29 17 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of old town of Knoxville. 609 Comment
  UCD75714  Acmispon grandiflorus var. grandiflorus Jake Ruygt 2005-6-1 4886 Napa Blue Ridge, about 1 mile north of Mays Flat. 716 Comment
  SEINET8205419  Adelinia grandis Robert C. Bechtel 1952-3-16 19 Napa Ptah Canyon. Comment
  UC924242  Adenocaulon bicolor H. S. Reed 1942-8-2 Napa Mount Veeder 609 Comment
  JEPS44791  Adenostoma fasciculatum W. L. Jepson 1904-6-3 2448 Napa Howell Mt. Comment
  UCD112610  Adenostoma fasciculatum L. Flaherty 1991-4-4 s.n. Napa Moskowite Corner. Comment
  UCD160800  Adenostoma fasciculatum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8680 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD48196  Adenostoma fasciculatum L. Lina; E. Anderson, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 7 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  RSA126038  Adenostoma fasciculatum var. fasciculatum John H. Thomas 1955-5-21 5108 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  CAS-BOT-BC68994  Adiantum aleuticum Peter H. Raven 1957-5-5 10769 Napa Hills at western edge of Calistoga 182 Comment
  CAS-BOT-BC202655  Aesculus californica H. E. McMinn 1922-6-8 171 Napa On summit of Howell Mt. Comment
  CAS-BOT-BC202656  Aesculus californica Marion Ownbey; Ruth P. Ownbey 1938-7-9 1701 Napa 6 miles northeast of Napa Comment
  CAS-BOT-BC202657  Aesculus californica Peter H. Raven 1950-6-20 2326 Napa St. Helena to Conn Valley, Napa Range Comment
  CAS-BOT-BC29637  Agoseris grandiflora var. grandiflora P. H. Raven 1950-5-6 2009 Napa Near the place where the W branch of the Napa River meets route 29 approximately 1 mi N of Calistoga. 152 Comment
  JEPS104519  Agoseris heterophylla Jake Ruygt 1978-5-21 330 Napa 4.5 NE of Sage Canyon Rd. on Chiles-Pope Valley Rd. 259 Comment
  JEPS104535  Agoseris heterophylla Jake Ruygt 1996-5-13 3673 Napa Wontrop Wildlife Santuary, Hardin Road, Pope Valley 365 Comment
  UCD161571  Agoseris heterophylla Jake Ruygt 2006-5-4 5007 Napa Wildlake Ranch, south of hunting camp. (Coordinates converted from UTM data by label maker). 676 Comment
  UCD17974  Agoseris heterophylla Ellen Dean; Kate Mawdsley 2001-4-9 693 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  CAS-BOT-BC46057  Agoseris heterophylla var. cryptopleura Peter H. Raven 1957-5-5 10744 Napa Near the geysers, Calistoga 91 Comment
  UC29363  Agoseris heterophylla var. heterophylla Willis L. Jepson 1894-5-1 Napa Conn Valley, (Napa River Basin); Napa River Comment
  UC186909  Agrostis elliottiana J. P. Tracy 1902-5-19 1552 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain, head Moore's Creek 518 Comment
  UCD51702  Agrostis elliottiana Joseph P. Tracy 1950-5-23 18671 Napa La Jota Plateau, on hills at head of Moore's Creek, 3-4 miles east of Angwin's, Howell Mountain. 518 Comment
  UC1145057  Agrostis exarata Joseph P. Tracy 1938-6-6 15846 Napa between Napa City and Yountville; Napa Valley 30 Comment
  UC1153788  Agrostis exarata Beecher Crampton 1957-6-4 4105 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UC187235  Agrostis exarata Joseph P. Tracy 1905-7-6 2228 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UCD52311  Agrostis exarata Beecher Crampton 1965-7-7 7441 Napa N end of Capell Valley, Hwy. 128, above Capell Creek. Comment
  UCD32918  Agrostis exarata var. monolepis Beecher Crampton 1965-7-7 7441 Napa Napa County, north end of Capell Valley, Hwy. 128, above Capell Creek. 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-BC139729  Agrostis gigantea Peter H. Raven 1951-6-24 3010 Napa Napa. 30 Comment
  RSA113784  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Myrtledale Hot Springs, 2 miles north of Calistoga Comment
  UC1103375  Agrostis microphylla Joseph P. Tracy 1903-5-15 1861 Napa Calistoga Hot Springs Northern Coast Ranges, Calistoga Hot Springs 91 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
  UCD53040  Agrostis microphylla A. A. Beetle 1946-5-7 4258 Napa 2 miles N of Calistoga at Myrtledale Hot Springs. Comment
  UCD36876  Agrostis microphylla var. intermedia Beecher Crampton 1956-4-24 3303 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD53065  Agrostis microphylla var. intermedia Beecher Crampton 1956-5-21 3444 Napa meadow of waters supplied by the Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  CAS-BOT-BC139012  Agrostis pallens John Thomas Howell 1943-6-19 18236 Napa Hills southwest of Saint Helena. Comment
  JEPS20271  Ailanthus altissima Alice King Jul 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  RSA335884  Allium amplectens D. W. McNeal 1977-5-18 2034 Napa 0.2 mile SE of the junction of Lower Chiles Valley Road. Comment
  RSA537500  Allium amplectens Barbara Ertter, Annetta Carter 1989-5-28 8516 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 Comment
  UC1745685  Allium amplectens Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2775 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS47554  Allium amplectens W. L. Jepson 1938-6-8 18904 Napa Butts Canyon Comment
  UC623310  Allium amplectens H. L. Mason 1939-5-18 12102 Napa w Napa (near summit of Wooden Valley Grade); Wooden Valley Grade Comment
  JEPS110940  Allium bolanderi var. bolanderi Jake Ruygt 1987-5-7 1750 Napa Buckeye Trail, Skyline Park, Napa 256 Comment
  CAS-BOT-BC466761  Allium cratericola Milo S. Baker 1926-4-10 174 a - Son. Reg. Napa The Crater - 3 mi. south St. Helena Inn Comment
  HSC42404  Allium falcifolium Dale McNeal 1977-5-18 2033 Napa Small rd. cut on Hwy. 128, 0.2 mi. SE of the junction of Lower Chiles Valley Rd. Comment
  HSC81861  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 1980-5-3 5152 Napa W side of Butts Canyon Rd. at junction with private rd. 244 Comment
  JEPS47613  Allium falcifolium Rachael Wilcox 1944-5-9 Napa Conn Valley Comment
  JEPS47616  Allium falcifolium Miss Saidee Wallace 1909-4-23 Napa Pope Valley Comment
  SJSU1352  Allium falcifolium J. W. Tilden 1953-5-24 1041 Napa NE slope Mt St Helena 457 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
  CAS-BOT-BC469025  Allium falcifolium John Morrison; Annetta Carter 1938-4-24 1355 Napa 0.6 miles west of Knoxville on road from Monticello to Lower Lake. Comment
  CAS-BOT-BC469026  Allium falcifolium John Morrison; Annetta Carter 1938-4-24 1355 Napa 0.6 miles west of Knoxville on road from Monticello to Lower Lake. Comment
  RSA195377  Allium falcifolium Gilbert Muth 1967-4-16 630 Napa Snell Valley. 183 Comment
  SEINET187416  Allium falcifolium J. Morrison, A Carter 1938-4-24 1355 Napa 0.6 mi W of Knoxville on rd from Monticello to Lower Lake Comment
  SEINET3884605  Allium falcifolium D. W. McNeal 1992-4-25 3878 Napa On disturbed hillside above the Knoxville-Berryessa Rd., 1.8 mi S. of the Lake Co. line.; 0 Comment
  UC353887  Allium falcifolium Milo S. Baker 1927-5-1 2147 a Napa Calistoga-Middletown Hiway 3 or 4 mi n Toll House Comment
  UCD138521  Allium falcifolium M. Ensign 1943-5-28 327 Napa 26 miles from Monticello on road to Lower Lake. Comment
  RSA123161  Allium fimbriatum var. fimbriatum B. O. Schreiber 1938-4-24 2507 Napa 1/2 mile northwest of Knoxville. 610 Comment
  JEPS110937  Allium fimbriatum var. purdyi Jake Ruygt 2003-5-5 4514 Napa Knoxsvill Wildlife Area, S of old Knoxville site 426 Comment
  SEINET3879166  Allium serra D. W. McNeal 1978-4-29 2114 Napa Above the Lake Berryessa-Lower Lake rd., 1.2 mi N of Knoxville.; 0 Comment
  SEINET1782449  Allocarya stricta Edward L. Greene 1892-4-20 s.n. Napa Calistoga. [County not given on label.] Comment
  UC23569  Allophyllum divaricatum Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa R. Basin, Howell Mt. Comment
  UCD167208  Allophyllum divaricatum Jake Ruygt 1998-4-18 3924 Napa Blue Ridge about 1.5 mile north of Mays Flat. 731 Comment
  UCD54562  Allophyllum gilioides K. Walker; PLB 102 2006-5-13 3 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  JEPS101646  Allophyllum gilioides subsp. violaceum Dean W. Taylor 1998-6-23 16700 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  JEPS129062  Allotropa virgata Jake Ruygt 1986-5-24 1793 Napa Livermore Road east of orchard. Detert Reservoir 7.5' Quad. Comment
  JEPS58611  Alnus rhombifolia Willis L. Jepson 1901-8-6 1717 Napa White Sulphur Springs Napa River Basin Comment
  RSA299415  Alnus rhombifolia W. L. Jepson 1901-8-6 1717 Napa White Sulphur Spring. Comment
  JEPS123021  Alopecurus saccatus Jake Ruygt 1982-6-1 1305 Napa 0.3 mile north of Chimney Rock Golf Course. Quad: Yountville. Comment
  UCSC000353  Amelanchier alnifolia Beryl O. Schreiber 1936-3-5 2207 Napa 0.3 miles W.S.W. of Petrified Forest Petrified Forest 274 Comment
  CAS-BOT-BC136745  Amelanchier utahensis John Thomas Howell 1940-5-19 15446 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC136746  Amelanchier utahensis John Thomas Howell 1940-5-19 15447 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC136747  Amelanchier utahensis L. R. Abrams 1928-5-4 12281 Napa Mt. St. Helena toll house Comment
  JEPS110658  Amelanchier utahensis Jake Ruygt 1989-4-22 2260 Napa 2.5 miles NE of Atlas Peak Rd. on Monticello Rd. 307 Comment
  UCD95904  Amelanchier utahensis Ellen Dean; with Clare Loughran 2011-5-20 7046 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  JEPS115757  Ammannia robusta Lowell Ahart 2009-10-27 16489 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  UC1199061  Amorpha californica var. napensis Joseph P. Tracy 1933-6-2 12467 1/2 Napa 5 mi e Angwin's (hills at head of Moore's Creek); Howell Mountain 457 Comment
  UC13277  Amorpha californica var. napensis Willis L. Jepson 1894-5-1 Napa canyon near Calistoga; Napa River Basin Comment
  UCD75832  Amorpha californica var. napensis Jake Ruygt 1993-5-24 3268 Napa Las Posadas State Forest. 524 Comment
  UCR23952  Amorpha californica var. napensis John C. Roos 1939-4-29 289 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  RSA92931  Amorpha californica var. napensis P. H. Raven 1951-8-19 s.n. Napa Near Lokoya. 488 Comment
  CAS-BOT-BC222308  Amsinckia douglasiana E. Ruckert 1960-4-17 98 Napa 100 feet southwest of private road leading in from 6495 Dry Creek Road 365 Comment
  JEPS61143  Amsinckia intermedia W. L. Jepson 1900-3-10 535 Napa St. Helena Comment
  UCD119266  Amsinckia intermedia Mary N. Artist 1965-3-19 7 Napa 3.5 miles E of Pope Valley. Comment
  JEPS61139  Amsinckia intermedia W. L. Jepson 1924-4-6 10327 Napa mouth of Coun Creek, near St. Helena; Coun Creek Comment
  UC1094056  Amsinckia intermedia Francia Chisaki 1954-4-15 591 Napa about 1 mi s of entrance to State Hospital on Highway #29 Comment
  UCD16028  Amsinckia intermedia N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 16 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 4.5-9 dm tall, flowers orange. Comment
  JEPS126114  Amsinckia menziesii Jake Ruygt 1992-4-7 2893 Napa Southwest corner of Tuteur Ranch, end Green Valley Road. Mount George 7.5' Qua. Comment
  UCD170186  Amsinckia menziesii Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 771 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 402 Comment
  UC1191037  Amsinckia menziesii var. menziesii Francia Chisaki 1954-4-15 597 Napa 2 mi s of Calistoga (on Silverado Trail); Silverado Trail Comment
  UCD147532  Anagallis arvensis Ellen Dean; Diana Hickson 2014-4-29 8086 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD49108  Anagallis arvensis E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 15 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. ca. 0.45 miles (2,400 ft.) as the crow flies NW from the jct of West Rd. and South Decker Canyon Rd. 249 Comment
  SEINET200985 Image available Ancistrocarphus filagineus J. P. Tracy 1902-5-17 1513 Napa Howell Mtn; head of Moore's Creek 3-4 mi E of Angwin's Comment
  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
  UCD128905  Ancistrocarphus filagineus Robert E. Preston 1988-4-10 579 Napa 0.4 mile SW of the confluence of Putah and Hunting Creeks. 268 Comment
  UCD148818  Ancistrocarphus filagineus Ellen Dean; Diana Hickson 2014-4-29 8124 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  UCD127214  Angelica californica Tom Persico 1971-5-15 19 Napa Monticello Dam at Lake Berryessa. 152 Comment
  JEPS14087  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  JEPS15909 Image available Angelica tomentosa Willis L. Jepson 1895-8-30 13484 Napa Napa River Basin, Upper Napa Valley; ; Near Calistoga, Upper Napa Valley Comment
  UCD127188  Angelica tomentosa Joseph M. DiTomaso 1980-9-9 1981 Napa north side of Mt. St. Helena at 48.45 mile mark on Highway 29, 10.6 miles north of Calistoga.. 609 Comment
  CAS-BOT-BC273162  Anisocarpus madioides Jean Fottrell 1906-7-1 s.n. Napa Napa redwoods Comment
  UCD129076  Anthemis cotula Andreas Stohr 1996-5-12 13 Napa along road 128 about 5 miles west of Davis. 120 Comment
  SD120895  Antirrhinum cornutum David M. Thompson 1983-6-17 336 Napa Just N of Pope Creekat end of Barnett Road, past vineyards, flanking streamlet 200 Comment
  UCD164753  Antirrhinum virga Jake Ruygt 2014-6-7 Napa Livermore Ranch, Montesol. 663 Comment
  CDA11135  Apiastrum angustifolium G. F. Hrusa, G. L. Stebbins, H. Townsend 1994-4-25 11825 Napa North Coast Biodiversity Arena; Upper slopes of Mt. George Comment
  UC1537514  Apocynum androsaemifolium Gordon H. True Jr. 1937-6-21 735 Napa near Lokoya Lodge Lokoya Lodge 365 Comment
  UC449669  Apocynum androsaemifolium unknown 1910-7-27 Napa near Angwin Angwin Comment
  UCD121272  Apocynum androsaemifolium R. H. Miller 1949-5-28 60 Napa beside Hwy 37, hillslope about 13 miles northeast of Napa. 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
  RSA523906  Apocynum androsaemifolium subsp. pumilum G. H. True 1937-6-21 735 Napa Near Lokoya Lodge. 366 Comment
  UC1196199  Aquilegia eximia Joseph P. Tracy Jul 2 1899-Jul 5 1899 353 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt. Comment
  UC1125888  Aquilegia formosa B. Schreiber 1936-5-3 2203 Napa 1.2 mi w Calistoga; Calistoga quad 152 Comment
  CAS-BOT-BC16717  Arabis modesta Donald V. Hemphill 1958-3-17 s.n. Napa Monticello Dam, Napa-Yolo county line. Comment
  UCD114143  Arabis modesta Glen Holstein 1979-3-22 s.n. Napa Along south side of State Highway 128 at Monticello Dam. 170 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
  SEINET265704 Image available Arbutus menziesii Royal D. Suttkus 1967-6-26 67- 30 -1 Napa Clearly Reserves 7.2 mi NW of Pope Valley Comment
  UC403206  Arceuthobium campylopodum W. L. Jepson 1895-12-26 Napa Conn Valley Comment
  UCD48240  Arceuthobium campylopodum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 22 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  UC1121471  Arctostaphylos A. E. Wieslander 1939-8-27 990 Napa 2 mi e Gordon Valley; Napa Quadrangle Comment
  UC549537  Arctostaphylos J. E. Adams 1934-3-10 643 Napa Mt. St. Helena Comment
  JEPS38631  Arctostaphylos canescens Willis L. Jepson 1893-5-4 14695 Napa first summit Napa River Basin, Mt. St. Helena Comment
  CAS-BOT-BC23962  Arctostaphylos canescens subsp. canescens Walter Knight; Irja Knight 1963-9-23 105 Napa Near quarry, near Lake County Line, Mt. St. Helana. Adjacent to Silverado State Park. Comment
  CAS-BOT-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-BC23977  Arctostaphylos canescens subsp. canescens H. E. McMinn 1922-3-27 50 Napa Mt. St. Helena Comment
  CAS-BOT-BC23980  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11115 Napa Mt. St. Helena Comment
  CAS-BOT-BC23981  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11117 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-BC23996  Arctostaphylos canescens subsp. canescens H. E. McMinn s.n. H 59 Napa Mt. St. Helena, Pathological Comment
  CAS-BOT-BC23997  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11109 Napa Mt. St. Helena Comment
  CAS-BOT-BC24014  Arctostaphylos canescens subsp. canescens C. Hart Merriam; Vernon O. Bailey 1907-10-15 s.n. Napa Cuyamaca Mt. 1219 Comment
  JEPS48499  Arctostaphylos canescens subsp. canescens Elsa Kraeger 1926-3-28 Napa e slope Mt. St. Helena 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
  RSA15668  Arctostaphylos canescens subsp. canescens C. B. Wolf 1928-2-28 1503 Napa 1 mi n of summit Mt. St. Helena grade. Comment
  UC674740  Arctostaphylos canescens subsp. canescens W. K. Fisher 1900-9-9 Napa Mt. St. Helena 853 Comment
  UC796527  Arctostaphylos canescens subsp. canescens Ira L. Wiggins 1949-4-30 12082 Napa on saddle about 1.5 mi from summit of Mt. St. Helena 1066 Comment
  UCD148592  Arctostaphylos crustacea subsp. crustacea G. F. Hrusa; G. L. Webster, J. M. Tucker 1994-10-29 11918 Napa Mt. George Napa Land Trust Reserve. 390 Comment
  CAS-BOT-BC24865  Arctostaphylos glandulosa subsp. cushingiana Lewis S. Rose 1964-4-2 64016 Napa 2 mi. sw. of Angwin. 243 Comment
  RSA169360  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 miles SW of Angwin. 244 Comment
  CAS-BOT-BC23142  Arctostaphylos glandulosa subsp. glandulosa C. Hart Merriam 1919-9-12 s.n. Napa Grade 4 miles NE Comment
  CAS-BOT-BC23148  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1923-5-9 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC23149  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1918-9-3 7941 Napa Mt. St. Helena Comment
  JEPS49536  Arctostaphylos glandulosa subsp. glandulosa W. L. Jepson 1938-9-28 19043 Napa La Jota Mesa, Howell Mt. Comment
  POM367347  Arctostaphylos manzanita H. de Forest 1930-3-23 14613 Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  SD49849  Arctostaphylos manzanita A. E. Wieslander 1936-9-20 714 Napa Calistoga quadrangle, Mt. St. Helena 550 Comment
  JEPS68362  Arctostaphylos manzanita subsp. elegans L. R. Heckard 1972-6-26 2996 Napa rocky flat near radar station (se of lookout on top of mt.); Mt. St. Helena 1219 Comment
  CAS-BOT-BC24283  Arctostaphylos manzanita subsp. manzanita Willis Linn Jepson 1896-12-26 s.n. Napa Napa River Basin, St. Helena. Comment
  CAS-BOT-BC38726  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-9-3 7944 Napa Mt. St. Helena Comment
  CAS-BOT-BC38727  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-9-3 7947 Napa Mt. St. Helena Comment
  CAS-BOT-BC38731  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4555 Napa East of the Toll House 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-BC38763  Arctostaphylos manzanita subsp. manzanita Peter H. Raven 1954-1-22 6385 Napa Sulphur Springs Canyon just N. of the resort 213 Comment
  SEINET3094066 Image available Arctostaphylos patula Royal D. Suttkus 1967-6-26 67- 30 -18 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  CAS-BOT-BC43829  Arctostaphylos stanfordiana H. E. McMinn 1925-1-23 1364 b Napa Summit Wooden Valley grade Comment
  CAS-BOT-BC43847  Arctostaphylos stanfordiana Willis L. Jepson 1896-2-23 s.n. Napa La Jota Plateau, Howell Mt., Napa River Basin Comment
  CAS-BOT-BC43851  Arctostaphylos stanfordiana Alice Eastwood; John Thomas Howell 1935-2-11 1937 Napa 5 miles east of Napa on Wooden Valley Grade Comment
  CAS-BOT-BC43854  Arctostaphylos stanfordiana Mrs. E. Wright 1920-2-22 s.n. Napa Calistoga 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
  JEPS38676  Arctostaphylos stanfordiana Willis L. Jepson 1896-2-23 14723 Napa La Jota Plateau Napa Range, Napa River Basin, Howell Mt. Comment
  JEPS38682  Arctostaphylos stanfordiana Willis L. Jepson 1893-9-23 14716 Napa summit of mt. Napa River Basin, Mt. St. Helena Comment
  JEPS58788  Arctostaphylos stanfordiana W. L. Jepson 1938-9-28 19041 Napa La Jota Mesa Howell Mt. Comment
  UC1198657  Arctostaphylos stanfordiana Joseph P. Tracy 1942-2-23 17057 Napa Wooden Valley Rd 4 mi ne Napa City (along creek); Sarco Creek 91 Comment
  UCD37946  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 0.5 mile W of Aetna Springs. Comment
  UCR58383  Arctostaphylos stanfordiana Walter Knight, I. Knight 1980-6-14 3759 Napa Original from Mt. St. Helena (Now in Tilden Regional Park Botanic Garden) Comment
  SEINET11977846  Arctostaphylos stanfordiana L. S. Rose 1937-1 37019 Napa Wooden Valley Grade, 8 mi NE of Napa 274 Comment
  JEPS120405  Arctostaphylos stanfordiana subsp. decumbens Jake Ruygt 2007-3-3 5123 Napa About 1/2 mile SE of Las Posadas Fire Station. Comment
  JEPS106413  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 1990-3-3 2440 Napa Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  JEPS122809  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 2007-1-23 5112 Napa Kortum Canyon Road on brushy ridge. QUAD: Calistoga. Comment
  POM203160  Arctostaphylos stanfordiana subsp. stanfordiana Alice Eastwood 1922-5-5 11305 Napa Mount St. Helena Comment
  POM263487  Arctostaphylos stanfordiana subsp. stanfordiana J. C. Roos 1939-1-21 300 Napa Angwin. 366 Comment
  RSA14941  Arctostaphylos stanfordiana subsp. stanfordiana Alice Eastwood, John Thomas Howell 1935-2-11 1937 Napa 5 miles east of Napa on Wooden Valley Grade. Comment
  RSA181955  Arctostaphylos stanfordiana subsp. stanfordiana W. L. Jepson 1915-12-6 6586 Napa Howell Mt. Comment
  RSA602256  Arctostaphylos stanfordiana subsp. stanfordiana L. C. Wheeler 1952-8-30 6876 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  SD125709  Arctostaphylos viscida L LaPre 1985-4-24 Napa Three Peaks, 5 miles southeast of Middletown, north end of Livermore Rd., near Napa County line Comment
Read comments
Jul 28 2014
  UCD47966  Arctostaphylos viscida R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 3 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UC763118  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1938-9-23 3862 Napa Canyon of south fork of Butts Creek Comment
  RSA388862  Arctostaphylos viscida subsp. viscida R. W. Brooks 1975-4-26 54 Napa 12 miles north from State Highway 128, Pope Valley. 762 Comment
  CHSC20707  Aristolochia californica Robert A. Schlising 1964-3-25 2655 Napa California Coast Ranges. Jct Redwood Road and Browns Valley Road. Comment
  JEPS32455  Aristolochia californica Willis L. Jepson 1900-3-9 507 Napa Stone Bridge, St. Helena Napa R. Basin, St. Helena Comment
  POM279325  Aristolochia californica Annetta Carter 1936-3-15 1040 Napa Conn Creek Canyon, 3.4 miles out of Rutherford on road to Pop Valley, Napa County, Vine trailing over shrub on creek bank Comment
Read comments
Sep 12 2013
  UCD137815  Aristolochia californica R. B. Griffith 1949-3-14 1 Napa north bank of Putah Creek, 8.6 miles west of Winters. Comment
  JEPS20963  Arnica discoidea R. F. Hoover 1941-5-19 5014 Napa Mt. St. Helena (e side) Mt. St. Helena Comment
  RSA88576  Arnica discoidea L. S. Rose 1954-5-24 54049 Napa Summit, Wooden Valley grade, 6 miles N E of Napa. Comment
  CDA11261  Artemisia californica G. F. Hrusa, G. L. Webster, J. M. Tucker 1994-10-29 11916 Napa North Coast Biodiversity Arena; Mt. George Napa Land Trust Reserve. Below old homestead. Comment
  JEPS7805  Artemisia californica Peter H. Raven 1952-9-14 5180 Napa hills due e of Yountville 152 Comment
  SEINET198881  Asclepias cordifolia H. E. Cott 1949-6-5 A- 137 Napa Along State Highway 28, Monticello mouth of Putah Canyon. Comment
  UC22963  Asclepias cordifolia Willis L. Jepson 1894-5-1 Napa St. Helena Napa River Basin Comment
  UCD121260  Asclepias cordifolia Dan Kurtak 1969-5-3 50 Napa Near Chiles Creek on Pope Valley Road 2 miles south of junction with Lower Chiles Valley Road. Comment
  JEPS49852  Asclepias eriocarpa W. L. Jepson 1897-7-12 14536 Napa near Samuel's Springs; Pope Creek Comment
  UCD20502  Aspidotis californica E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1073 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  UC1076342  Aspidotis densa Herbert L. Mason 1926-1-2 2609 Napa Toll House Canyon; Mt St Helena Comment
  CHSC84572  Astragalus breweri John Dittes 2003-4-5 2003 -13 Napa Inner North Coast Range; Napa Valley; approximately 1.8 air-miles north by northwest of Calistoga City Hall, approximately 1.0 air-mile northwest of confluence of Napa River and Garnett Creek. Alfalfa field southwest of intersection of Bennet Lane and Tubbs Lane. 123 Comment
  JEPS2754 Image available Astragalus claranus Clara A. Hunt 1909-4-8 Napa St. Helena; ; St. Helena, Napa Co. Comment
Read comments
Aug 6 2014
  JEPS95199  Astragalus claranus Jake Ruygt 1994-4-15 3447 Napa Lewelling Ranch, near Sulphur Springs Rd St. Helena 103 Comment
  UCD170571  Astragalus clevelandii Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 813 Napa Knoxville Wildlife Area, along Nevada Creek. 471 Comment
  CDA11592  Astragalus gambelianus G. F. Hrusa, S. Larson 1995-4-1 12058 Napa North Coast Biodiversity Arena; Approx. 1 mi. below bridge over Pope Creek, on Pope Canyon Rd. Comment
  UCD38569  Astragalus gambelianus Beecher Crampton 1956-5-25 3448 Napa Vaca Mtns., Markley Canyon. Comment
  JEPS100901  Astragalus rattanii var. jepsonianus Dean W. Taylor 1998-5-14 16434 Napa Pope Canyon, along Pope Canyon Road at crossing of Pope Creek, northerly facing roadbank 100 meters west of the bridge 198 Comment
  CAS-BOT-BC17535  Athysanus pusillus Peter H. Raven 1950-4-15 1709 Napa Silverado Trail outside of Napa. 15 Comment
  UCD170302  Athysanus pusillus Daniel Potter; N Khuu, A Holland, J Poore, C Adlam 2016-3-19 842 Napa Knoxville Wildlife Area, southern portion, east of Berryessa-Knoxville Road. 232 Comment
  UCD170670  Athysanus pusillus 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Off Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 167 Comment
  UCR197925  Avena fatua Beecher Crampton 1956-3-13 3228 Napa Napa Valley, 1 mile south of Rutherford Comment
  CAS-BOT-BC145928  Avena fatua Peter H. Raven 1954-2-22 6407 Napa Orchard at west end of Saint Helena. 60 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
  POM350406  Baccharis pilularis J. T. Howell 1932-10-8 10802 Napa Napa River levee at Cuttings Wharf Comment
  UC30352  Baccharis pilularis Willis L. Jepson 1892-10-22 Napa St. Helena Comment
  RSA136311  Baccharis salicifolia John H. Thomas 1955-5-21 5155 Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 168 Comment
  OBI48782  Balsamorhiza hookeri L. F. LaPre 1986-7-11 s.n. Napa Tributary to Hunting Crk, 1 mi S of Dunnigan Hill, near the Lake co line. Jericho Valley 7.5' quad T11N, R5W sec 14 396 Comment
  CDA11618  Barbarea orthoceras G. F. Hrusa, G. L. Stebbins 1994-3-11 11601 Napa North Coast Biodiversity Arena; Ink Grade, approx. 2 m. NE of Angwin. Comment
  JEPS106776  Barbarea orthoceras Jake Ruygt 1997-4-12 3829 Napa Bennett Lane, Calistoga 134 Comment
  UCD48669  Barbarea orthoceras A. Van Houtte; E. Leger and C. Hohn 2001-4-14 6 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, W side of S. Decker Canyon Rd., drainage ditch SW of ruined cabins. 152 Comment
  UCR267445  Barbarea vulgaris Catherine Koehler 2012-5-23 s.n. Napa McLaughlin UC Reserve; Hunting Creek between Hunting Creek Campground and contractor road 366 Comment
  SBBG128614  Bergia texana L. Ahart 2009-10-27 16485 Napa below the high water line of Lake Berryessa, ca. 100 yards E of Eticuera Crk, ca. 50 yards S of Eticuera parking Area at the NE end of the causeway, on the S side of Berryessa Knoxville Rd, ca. 20 mi NW of Winters 130 Comment
  UCD129588  Blennosperma nanum Charles B. Heiser Jr. 1947-2-16 1882 Napa 3 miles north of Napa, near junction of Silverado Trail and road from Monticello. Comment
  CAS-BOT-BC100270  Blennosperma nanum var. nanum John Thomas Howell 1926-3-27 1753 Napa Soscol Comment
  JEPS18806  Blennosperma nanum var. nanum W. L. Jepson 1940-2-29 19498 Napa 4 mi se Yountville Comment
Read comments
Oct 4 2009
  UCD75842  Boechera arcuata Jake Ruygt 2003-4-22 4504 Napa about 2 miles north of Mays flat near the top of the Blue Ridge. 731 Comment
  JEPS53002  Boechera breweri subsp. breweri K. Brandegee 1894-6-1 Napa e of Calistoga (Pope Valley grade summit, n Napa Range); Napa Range Comment
  JEPS110698  Boisduvalia stricta Jake Ruygt 1990-6-11 2592 b Napa City of Napa, Milliken Reservoir watershed property 341 Comment
  SBBG128576  Bolboschoenus maritimus L. Ahart 2009-10-12 16460 Napa below high water line of Lake Berryessa, along Capell Crk S of Rest Area, 0.75 mi NE of Hwy 128 on Berryessa Knoxville Rd, 0.75 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd 133 Comment
  JEPS49665  Boykinia occidentalis Mary Alice King July 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  SACT000444  Brachypodium distachyon John Willoughby 1977-4-20 Napa foothill woodland 365.76 Comment
  UCD159930  Brachypodium distachyon Alice Warrick 2007-4-26 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q43-1. 243 Comment
  UCD47948  Brassica nigra Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 5 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  CAS-BOT-BC36763  Brassica rapa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium. Comment
  CAS-BOT-BC106270  Brickellia californica Peter H. Raven 1952-8-28 5160 Napa Road below Napa Soda Springs 213 Comment
  JEPS18618  Brickellia californica Edw. L. Greene 1888-8-30 Napa Calistoga 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
  JEPS75998  Briza minor W. L. Jepson 1936-6-1 17592 Napa Four Corners Napa Range, Howell Mt. (w side) Comment
  RSA247335  Briza minor Gary D. Wallace 1967-5-27 767 Napa Northwest of St. Helena on Howell Mtn. Rd. 2 mi west of Pacific Union College. Comment
  RSA170266  Briza minor Joseph P. Tracy 1950-5-23 18676 Napa La Jola Plateau 518 Comment
  UCD148735  Brodiaea elegans subsp. elegans Jake Ruygt 1980-6-4 911 Napa Napa County; 4.6 miles NE of Silverado Trail on Soda Canyon Rd. 335 Comment
  UCD160680  Brodiaea elegans subsp. elegans Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8752 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
  RSA125806  Brodiaea terrestris subsp. terrestris Peter H. Raven 1958-5-5 10750 Napa Near the Hot Springs, Calistoga. 91 Comment
  UC187021  Brodiaea terrestris subsp. terrestris C. F. Sonne 1888-4-25 Napa field near Napa Junction Comment
  SEINET9361734  Bromus Unknown 1961-6-12 5902 Napa Napa Comment
  JEPS123012  Bromus carinatus Jake Ruygt 1997-4-24 3834 Napa Atlas Peak Road about 4 miles north of Monticello Road. Quad: Capell Valley. Comment
  UCD57979  Bromus carinatus Beecher Crampton 1956-5-25 3482 Napa Howell Mtns. Above Wooden Valley. Comment
  CAS-BOT-BC156284  Bromus catharticus Peter H. Raven 1951-6-24 3000 Napa Napa. 30 Comment
  SACT000546  Bromus diandrus John Willoughby 1979-5-25 Napa about 1 mile south of Signal Hill just below and to the west of Blue Ridge, in foothill woodland on the north side of the flat 609.6 Comment
  UCD58595  Bromus diandrus Beecher Crampton 1962-5-16 6421 Napa 3.5 miles north of Conn Reservoir. Along Pope Valley Road. Comment
  SBBG29005  Bromus grandis B. Crampton 1967-6-20 Napa 3 mi N of Moskowite Corner, N end of Capell Valley, St Hwy 128 Comment
  HSC9264  Bromus hordeaceus J. V. Lenz 1947-4-19 Napa Calistoga Comment
  JEPS123007  Bromus hordeaceus Jake Ruygt 1982-4-29 1211 Napa Suscol plain west of Highway 29 (221), east of Kaiser (Napa Pipe). Quad: Napa. Comment
  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
  UCD58810  Bromus hordeaceus R. Tofsrud 1949-5-5 s.n. Napa Near Basalt. Comment
  CDA10878  Bromus laevipes G. F. Hrusa, M. Rejmanek 1993-5-15 10973 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS75634  Bromus laevipes W. L. Jepson 1936-5-28 17541 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  UCD32905  Bromus laevipes Beecher Crampton 1965-6-17 7408 Napa Solano-Napa Counties, Vaca mountains, summit of Mt. Vaca. 859 Comment
  UCD32906  Bromus laevipes Beecher Crampton 1965-6-17 7410 Napa Solano-Napa Counties, Vaca mountains, summit of Mt. Vaca. 859 Comment
  SACT000578  Bromus mollis John Willoughby 1976-4-12 Napa Near Mount Vaca, in chaparral near top of ridge 609.6 Comment
  UCD159919  Bromus rubens Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon.West section. 243 Comment
  UCD95682  Bromus sterilis Ellen Dean; with Clare Loughran 2011-5-20 7027 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  CAS-BOT-BC161529  Bromus tectorum Peter H. Raven 1953-5-2 5389 Napa Hills due east of Yountville. 243 Comment
  CDA1854  Bromus vulgaris H. Stabo Oct 1961 Napa Diamond Mountain area; Calistoga. 0 Comment
  JEPS100895  Calamagrostis ophitidis Dean W. Taylor 1998-5-14 16440 Napa Asbestos Mine, Steele Canyon (southerly arm of Lake Berryessa) 301 Comment
  UCD57744  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  CAS-BOT-BC233996  Calandrinia breweri Peter H. Raven 1953-4-2 5288 Napa Burn e. of Tulucay Creek 426 Comment
  CAS-BOT-BC233997  Calandrinia breweri John Thomas Howell 1931-4-2 6060 Napa Wooden Valley Grade 5 miles east of Napa Comment
  JEPS112603  Calandrinia breweri Jake Ruygt 1989-4-8 2257 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  UCD48083  Calandrinia breweri B. Takahashi; S. Burgess, A. Ryan, J, Pierner, A. Hufton 2000-4-29 3 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
  JEPS112605  Calandrinia ciliata Jake Ruygt 1979-3-5 438 Napa Trefethen Vineyards 30 Comment
  JEPS52607  Calandrinia ciliata Willis L. Jepson 1893-4-27 Napa hills near Veteran's Home; Napa River Basin, Yountville Comment
  SEINET5726743 Image available Calandrinia ciliata Kim Page 1965-1 5 Napa Dollarhide Road, ca. 3 miles east from Pope Valley.; Pope Valley Comment
  UCD100279  Calandrinia ciliata M. R. Wanzer 1948-5-15 21 Napa just south of the judging pavilion, University of California campus, Davis. Comment
  CAS-BOT-BC273232  Calendula arvensis Peter H. Raven 1951-6-24 3014 Napa Brown's Valley 91 Comment
  JEPS121549  Calochortus amabilis Adam C. Schneider with Dick O'Donnell 2013-5-26 199 Napa Southwest side of Chiles Pope Valley Rd., 100 yards southwest of farmhouse and other buildings. Comment
  POM182710  Calochortus amabilis D. D. Keck 1931-4-2 1019 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 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
  UCD22717  Calochortus amabilis Charles Gasser 1978-4-22 15 Napa Chiles/Pope Valley Road, 1.6 miles SW of junction with lower Chiles Valley Road. Comment
  UCD48266  Calochortus amabilis Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 7 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  CAS-BOT-BC488490  Calochortus amabilis L. R. Abrams 1928-5-3 12208 Napa St. Helena Grade Comment
  POM169455  Calochortus amabilis C. F. B 1903-4-20 2622 Napa Mt. St. Helena. Comment
  SEINET8194276  Calochortus amabilis E. Williams 1964-5-1 s.n. Napa Hamel Mountain. Comment
  SEINET5641956  Calochortus luteus Tera Pitman 2004-5-1 7 Napa Mclaughlin UC Reserve. Along Knoxville-Berryessa Rd. west of turn off to old town of Knoxville, north side of road, about 0.5 airline miles west southwest of site of old town of Knoxville.; 0 Comment
  UCD73515  Calochortus luteus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC492543  Calochortus luteus Tom Craig 1941-6-18 s.n. Napa Road between St. Helena and Pope Valley, N.E. of St. Helena Comment
  SEINET4169882  Calochortus luteus Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15076 Napa In Chaparral, 20 miles north of Napa Comment
  UCD14308  Calochortus luteus L. Coats 1983-5-29 50 Napa J and M Ranch; end of Green Valley Road, 1 mile from Coombsville Road and apporximately 100 yards inside of gate, next to road. Comment
  UCD39242  Calochortus luteus B. Crampton 1971-5-19 8713 Napa South of Wooden Valley. Napa and Solano County border. Comment
  UCR24142  Calochortus pulchellus John C. Roos 1939-4-18 278 Napa North Coast Range, Pope Valley Grade, Angwin 500 Comment
Read comments
Feb 17 2006
  UCSB638  Calochortus pulchellus Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek, 1.8 miles east of end of Conn Lake 76 Comment
  JEPS8947  Calochortus splendens Rimo Bacigalupi with L. T. Dempster and G. T. Robbins 1954-5-25 4507 Napa 8.2 mi e Conn Lake (reservoir) (slopes above Soda Creek on State Route 28) Comment
  UC1103467  Calochortus tolmiei J. P. Tracy 1899-6-10 447 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  CAS-BOT-BC483611  Calochortus tolmiei Elizabeth Wright 1922-4-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC132622  Calochortus uniflorus David D. Keck 1931-4-4 1097 Napa Geysers just NW. of Calistoga, northwestern Napa County 110 Comment
  JEPS17795  Calochortus uniflorus Willis L. Jepson 1893-5-2 Napa Calistoga Napa River Basin Comment
  UCD167101  Calochortus vestae Jake Ruygt 2015-6-20 6139 Napa Missimer - Snell Valley Preserve. 175 Comment
  UCD167143  Calochortus vestae Jake Ruygt 2015-5-2 6088 Napa West of Buck Mountain nea Nevada Creek. 461 Comment
  UCD166654  Calochortus vestae Jake Ruygt 1993-6-12 3285 Napa Lewelling Ranch, west end of Lewelling Lane. 170 Comment
  UCD148841  Calycadenia Ellen Dean; Diana Hickson 2014-4-29 8145 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 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
  UC1876226  Calycadenia fremontii Gerald D. Carr 1972-8-21 728 Napa 2.4 mi e of Butts Canyon Rd. on Snell Valley Rd. 182 Comment
  UC1876230  Calycadenia fremontii Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Rd., 1.3 mi S of Snell Valley Rd. Comment
  CAS-BOT-BC270611  Calycadenia multiglandulosa G. D. Carr 1971-6-17 566 Napa Junction of Howell Mountain, Deer Park, White Cottage Roads (Four Corners), ca. 1.5 miles SW of Angwin 424 Comment
  CAS-BOT-BC270838  Calycadenia pauciflora H. M. Hall 1923-10-12 11926 Napa 16 miles SE of Lower Lake, northern part of county Comment
  RSA255521  Calycadenia pauciflora Gerald D. Carr 1972-8-21 728 Napa 2.4 miles east of Butts Canyon Road on Snell Valley Road 183 Comment
  UCD129850  Calycadenia pauciflora Gerald D. Carr 1972-9-14 734 Napa 1.5 miles east of Howell Mountain Road on Conn Valley Road. 121 Comment
  UC668209  Calycadenia truncata Joseph P. Tracy 1938-8-7 16090 Napa 5 mi n of Napa City; Soda Creek Canyon 91 Comment
  UC89042  Calycadenia truncata K. Brandegee 1888-9-1 Napa Howell Mountain Comment
  UC30763  Calycadenia truncata W. L. Jepson 1892-10-22 Napa near St. Helena; Park Hill Comment
  UC726256  Calycadenia truncata A. A. Heller 1941-9-22 16317 Napa 1 mi n of, on roadside bank Yountville Comment
  CAS-BOT-BC271552  Calycadenia truncata subsp. truncata David D. Keck 1933-11-10 2720 Napa 1 mi. N. of Yountville Comment
  CAS-BOT-BC90959  Calycanthus occidentalis Peter H. Raven 1950-6-20 2335 Napa In the Napa Range between Saint Helena and Conn Valley. Comment
  JEPS40305  Calycanthus occidentalis W. L. Jepson 1899-6-1 Napa Vaca Mts. Comment
  JEPS40309  Calycanthus occidentalis W. L. Jepson 1894-10-19 Napa sw of Calistoga (Rebecca Ranch Grade); Napa Valley Comment
  RSA23335  Calycanthus occidentalis Joseph A. Ewan 1934-4-30 8850 Napa Near White Cottages below Pope Valley. Comment
  RSA456153  Calycanthus occidentalis E. S. Spalding 1924-7-4 s.n. Napa White Sulphur Springs Canon, near St. Helena. Comment
  RSA491725  Calycanthus occidentalis James L. Reveal 1987-6-7 6395 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road, about 6.5 miles northwest of Vacaville 610 Comment
  UCR44917  Calycanthus occidentalis L. F. LaPre, R. Bjork 1986-7-13 s.n. Napa Inner North Coast Ranges, Hunting Creek, 0.5 mi south of Dunnigan Hill. SE of Clear Lake, near the county line. 335 Comment
  CAS-BOT-BC221553  Calystegia collina subsp. collina R. K. Brummitt; A. Wolf; R. W. Howe 1998-5-15 19849 Napa 17 km NE of Calistoga, Butts Canyon 2 km S of Snell Valley turn-off 400 Comment
  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
  UCD126069  Calystegia collina subsp. oxyphylla B. Wengeler 1995-4-30 s.n. Napa 9.5 miles northwest of Highway 128 along Lower Chiles Valley Road. 293 Comment
  UC1965405  Calystegia occidentalis R. K. Brummitt, B. Ertter and J. A. Ruygt 2012-6-16 22058 Napa Napa City, Alston Park near Dry Creek Road Comment
  UCD160744  Calystegia occidentalis subsp. fulcrata Ellen Dean 2015-5-23 8796 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 249 Comment
  UCD160804  Calystegia occidentalis subsp. occidentalis Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8684 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD48865  Calystegia purpurata A. Collier; D. Caterson and S. Kenady 2002-5-4 11 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off N side of road 3 m. Moderate slope, E-facing. 341 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
  UCD159937  Calystegia purpurata subsp. purpurata Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD167099  Calystegia purpurata subsp. purpurata Jake Ruygt 2015-6-13 6133 Napa Fernandes - Snell Peak, Land Trust. 347 Comment
  UCD48871  Calystegia purpurata subsp. purpurata E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., N of jct with South Decker Canyon Rd.; on a SW-facing slope on upslope of road. 237 Comment
  SEINET7072530  Calystegia subacaulis A. G. Vestal 1963-4-8 s.n. Napa On Route 128 abut 5.2 miles east of the turn off to Pope Valley Road. Coordinate datum: NAD 27. Comment
  JEPS106399  Calystegia subacaulis subsp. subacaulis Jake Ruygt 1987-5-27 2015 Napa Buchli Station, D.F.G. Huichica property 3 Comment
  UCD48063  Camissoniopsis hirtella A. Haselby; M. Carson, S. Howard, P. Mayer 2000-4-29 8 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  JEPS106556  Campanula angustiflora Jake Ruygt 1989-5-13 2326 Napa Vaca Mtns. about 1 mile north of Mt.Vaca 798 Comment
  JEPS106558  Campanula griffinii Jake Ruygt 1995-4-17 3431 Napa end of Niebaum Rd., Bear Canyon. 100 Comment
  UCD75839  Campanula griffinii Jake Ruygt 1996-5-14 3691 Napa White Cliff Springs, Elder Valley, Sabini property. 384 Comment
  SEINET10463187  Campanula prenanthoides Grummer 1979-6-21 GRUMMER 1250 Napa NR BOTHE NAPA VALLEY STATE PARK, ON CALISTOGA QUAD., NR CALISTOGA 1001 Comment
  SEINET10463224  Campanula prenanthoides Tracy 1905-7-6 TRACY 2223 Napa Howell Mountain; on hills at head of Moore's Creek, 3-4 miles east of Angwin's 457 Comment
  CAS-BOT-BC37584  Cardamine californica John H. Thomas 1966-3-22 11531 Napa About 5 miles north of Calistoga as measured along highway 29 on the southeast slope of Mt. St. Helena. 609 Comment
  UCD170207  Cardamine hirsuta Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 750 Napa Knoxville Wildlife Area, along Eticuera Creek, west of Berryessa-Knoxville Road. 246 Comment
  UCD83862  Cardamine hirsuta Ellen Dean; Stephen Rae 2010-3-15 5820 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  UCD18021  Cardamine pachystigma Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 566 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
  UCD85855  Carduus pycnocephalus Peter H. Raven 1950-5-6 2007 Napa West branch of the Napa River where it meets Rt. 29 approximately 1 mile north of Calistoga. 91 Comment
  CDA37916  Carex barbarae D. G. Kelch 2010-5-6 10 .165 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  RSA364608  Carex barbarae E. S. Spalding 1924-7-7 s.n. Napa Near Calistoga. Comment
  SEINET7551520 Image available Carex barbarae Wilhelm N. Suksdorf 1913-7-30 740 Napa Northwest Napa. Comment
  UCD140158  Carex bolanderi G. F. Hrusa; M. Tu 1995-5-6 12160 Napa Moores Creek in Las Posadas State Forest. 500 Comment
  CAS-BOT-BC35075  Carex densa Peter H. Raven 1951-6-24 3017 Napa Brown's Valley. 91 Comment
  POM118371  Carex densa Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD140261  Carex densa K. Esau 1935-5-5 s.n. Napa near Petrified Forest, Calistoga. Comment
  UCD161691  Carex densa Jake Ruygt 2010-5-20 5573 Napa Highway 29 north of Yount Mill Road, west side of road. (Coordinates converted from UTM data by label maker.) 45 Comment
  UCD81809  Carex densa Ellen Dean; Stephen Rae 2009-4-21 5436 Napa Along Friesen Lakes Road, NW of Anguin. 563 Comment
  RSA88793  Carex dudleyi L. S. Rose 1935-6-4 35205 Napa E. slope Mt. St. Helena Comment
  JEPS121325  Carex feta Jake Ruygt 1986-4-5 1680 Napa south side of Suscol Creek on ridge Comment
  JEPS76001  Carex feta W. L. Jepson 1936-6-1 17590 Napa Napa Range, Howell Mountain, west side of Four Corners Four Corners; Napa Range, Howell Mountain, Four Corners Comment
  JEPS121323  Carex globosa Jake Ruygt 1988-5-1 2165 Napa Cleary Reserve. Comment
  CAS-BOT-BC32052  Carex multicaulis Alice Eastwood 1922-5-4 1283 Napa In woods, Mt. St. Helena. Comment
  JEPS121346  Carex multicaulis Jake Ruygt 1997-4-4 3821 Napa Mt Veeder, south of Lokoya Roads. Comment
  JEPS81260  Carex nudata Edward Lee with A. Carter and E. Crum 1936-3-15 1807 Napa 8 mi out Rutherford (on Rutherford-Pope Valley road) 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
  HSC103668  Carex serratodens Thomas W. Nelson, Jane Nelson 1981-4-14 6369 Napa Along Devil's Head Rd., at crossing of Cedar Creek 549 Comment
  JEPS129076  Carex tumulicola Jake Ruygt 2016-4-12 6185 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  RSA296442  Castilleja affinis R. W. Cruden 1967-5-27 1247 Napa About 3 miles northeast of Angwin, Ink Grade. 488 Comment
  POM15999  Castilleja affinis R. H. Platt 1898-4-3 s.n. Napa Vacaville. Comment
  JEPS25049  Castilleja affinis subsp. affinis J. P. Tracy 1899-6-26 371 Napa 32 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  JEPS3817  Castilleja affinis subsp. affinis W. L. Jepson 1938-5-24 18839 Napa near Four Corners; Howell Mountain Comment
  JEPS86604  Castilleja affinis subsp. affinis L. R. Heckard with Jake Ruygt 1987-5-10 6660 Napa ca 0.25 mi ne Quarry (ne of Vallejo) (n-facing side American Canyon Ridge); American Canyon Ridge Comment
  UCD164766  Castilleja affinis subsp. affinis Jake Ruygt 2014-5-10 5938 Napa Monticello Road about 0.1 mile north of first corner of Wooden Valley grade. 341 Comment
  UCD20753  Castilleja applegatei M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 102 Napa McLaughlin UC Reserve. Devilhead Rd. 2.5 road miles S of jct. with Knoxville-Berryesa Rd. W side of the road by small perennial creek. 487 Comment
  JEPS88819  Castilleja applegatei subsp. martinii T. I. Chuang and F. M. Chuang 1991-6-23 7834 Napa 3 mi n Angwin (along Ink Grade Rd) Comment
  JEPS35586  Castilleja applegatei subsp. martinii L. R. Heckard 1964-6-11 1368 Napa just above Hanley's Resort (on the grade over se flank of Mt. St. Helena, along Calif Hwy 29); Mt. St. Helena 609 Comment
  UC199390  Castilleja applegatei subsp. martinii H. P. Chandler 1907-5-14 7580 Napa White Sulphur Springs; St. Helena Comment
  CHSC114025  Castilleja applegatei subsp. pinetorum Richard R. Halse 2013-3-27 8753 Napa Along State Hwy. 128 ca. 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa. 143 Comment
  JEPS9976  Castilleja attenuata W. L. Jepson 1904-6-3 2436 Napa Howell Mt. Napa Range 792 Comment
  JEPS10088  Castilleja densiflora subsp. densiflora Rachael Wilson 1944-5-9 Napa Conn Valley Comment
  JEPS110626  Castilleja densiflora subsp. densiflora Jake Ruygt 1992-4-29 2916 Napa Johnson's Meadow, Wild Horse Valley Ranch 420 Comment
  JEPS110628  Castilleja densiflora subsp. densiflora Jake Ruygt 1978-5-14 309 Napa .3 mile south of Oak Knoll Ave. on Silverado Trail 19 Comment
  UCD122424  Castilleja exserta C. G. Baughn 1949-4-24 15 Napa Beside Highway 12, 3 1/4 miles northwest of Cordelia. Comment
  UCD122442  Castilleja exserta P. B. Kaufman 1950-4-7 27 Napa Putah Canyon. Comment
  CDA11898  Castilleja foliolosa G. F. Hrusa, G. L. Stebbins 1994-4-8 11722 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  UCD160799  Castilleja foliolosa Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8679 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD170838  Castilleja foliolosa 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Above Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 200 Comment
  UC1537568  Castilleja foliolosa Gordon H. True Jr. 1937-6-21 730 Napa Mt. George 304 Comment
  UCD117763  Castilleja lacera Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat valley. Adjacent to serpentine slope. 386 Comment
  JEPS110656  Castilleja minor subsp. spiralis Jake Ruygt 1982-3-10 1125 Napa north side of American Canyon 128 Comment
  CDA11180  Castilleja rubicundula G. F. Hrusa 1988-4-16 5549 Napa North Coast Biodiversity Arena; 1 m. E of junction of Chiles Valley and Pope Valley Rds. Comment
  SFV11129  Castilleja rubicundula subsp. lithospermoides F. M. Ball May 1961 Napa Route 29 north of Calistoga. 305 Comment
  UCD160684  Castilleja rubicundula subsp. lithospermoides Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8756 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
  JEPS4495  Castilleja rubicundula subsp. lithospermoides Rimo Bacigalupi and J. R. Sweeney 1953-5-26 4124 Napa 5.5 mi n Calistoga (S.P. station crossing in town) (along road to Middletown (Calif Hwy 29)) 411 Comment
  JEPS2514 Image available Castilleja spiralis W. L. Jepson 1897-7-13 21113 Napa Butt's Canyon (Pope Valley to Coyote Valley); ; Butt's Canon, (Pope Valley to Coyote Valley), Napa Co. Comment
  LA42057  Ceanothus cuneatus Henry Reents; 1936-5-2 sn Napa Mt. St. Helena, E. slope of Mt. St. Helena Comment
  RSA41954  Ceanothus cuneatus H. C. Cantelow 1936-3-22 1139 Napa Howell Mt. Comment
  UCD170665  Ceanothus cuneatus 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 200 Comment
  JEPS42196  Ceanothus cuneatus var. cuneatus W. L. Jepson 1913-4-15 5313 Napa Howell Mt. 609 Comment
  JEPS42325  Ceanothus dentatus W. L. Jepson 1913-4-15 5312 Napa Howell Mt. Comment
  CAS-BOT-BC49796  Ceanothus divergens Milo S. Baker 1939-3-22 9243 Napa 1.1 mi. west of Calistoga-Napa hgwy. at a point 1.1 mi. south of Calistoga Comment
  CAS-BOT-BC49803  Ceanothus divergens Brandegee 1889-6-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC64431  Ceanothus divergens L. R. Abrams 1928-5-4 12270 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC64434  Ceanothus divergens Milo S. Baker s.n. Napa Franz Valley, about 5 mi. w. of Callistoga. Comment
  CAS-BOT-BC64442  Ceanothus divergens Walter Knight; Irja Knight; Cliff Schmidt 1987-3-29 6105 Napa Kortum Canyon Road 1.0-1.5 mi. from Sharpe Rd. Comment
  POM136489  Ceanothus divergens Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena. Comment
  RSA169357  Ceanothus divergens L. S. Rose 1964-4-2 s.n. Napa 2 miles W of Angwin 244 Comment
  RSA26416  Ceanothus divergens J. T. Howell 1941-4-5 s.n. Napa Franz Valley Comment
  HSC18280  Ceanothus foliosus C. B. Wolf 1928-5-4 1852 Napa Mt. St. Helena Comment
  UC1070627  Ceanothus foliosus A. Lewis 1932-5-13 75 A Napa 4 mi up Dry Creek; Napa quad. 304 Comment
  UC1198028  Ceanothus foliosus Joseph P. Tracy 1902-5-17 1512 Napa 3-4 mi e Angwins (on hills at head of Moore's Creek.); Howell Mt., North Coast Ranges 365 Comment
  UC870558  Ceanothus foliosus Alice Eastwood and John Thomas Howell 1939-6-11 7430 Napa hills to w Calistoga Comment
  UCD112130  Ceanothus foliosus M. Wiesendanger 1927-5-4 697 Napa Monticello Road. Comment
  UCD73844  Ceanothus foliosus Ellen Dean; S. Rae 2008-5-21 4979 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 244 Comment
  CAS-BOT-BC50909  Ceanothus foliosus var. foliosus Alice Eastwood 1915-6-5 4566 Napa Petrified Forest 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
  UCD112134  Ceanothus foliosus var. foliosus M. Wiesendanger 1928-4-5 862 Napa Monticello Road. Comment
  RSA168970  Ceanothus incanus Billy Smith 1962-5-24 27 Napa 2 miles NNW of St. Helena Lookout. 747 Comment
  SACT002931  Ceanothus integerrimus John Willoughby 1975-5-25 Napa This is the blue-flowering form which McMinn states is common in Lake County. Along BLM Road to Cedar Valley beginning north of Knoxville. Comment
  UCD112504  Ceanothus integerrimus R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs. Comment
  UCD169648  Ceanothus integerrimus Jake Ruygt 2014-5-6 5933 Napa Pope Creek about 1.4 mile east of Walter Springs bridge. 170 Comment
  CAS-BOT-BC50632  Ceanothus jepsonii H. E. McMinn 1922-8-1 385 Napa Near Middleton Comment
  CAS-BOT-BC50639  Ceanothus jepsonii C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC50641  Ceanothus jepsonii John Thomas Howell 1939-4-30 14633 Napa Walter Springs Comment
  CAS-BOT-BC64976  Ceanothus jepsonii D. H. Wilken; E. L. Painter 2007-6-6 16741 Napa Near summit of Butts Cyn Rd, ca 1.5 linear km S of jct with Snell Valley Rd. 315 Comment
  CHSC22530  Ceanothus jepsonii Robert A. Schlising; Glenn Keator 1962-1-25 2025 Napa Mount Saint Helena. Comment
  RSA261436  Ceanothus jepsonii R. . F Denno 1967-4-15 50 Napa 1 mile N on lower Chiles Valley road of Hwy 128 Comment
  RSA399003  Ceanothus jepsonii Lester Rowntree 1930-7-15 s.n. Napa Near Napa 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-BC51127  Ceanothus jepsonii var. albiflorus M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 miles N.E. Cliff Spring Comment
  RSA757817  Ceanothus jepsonii var. albiflorus Dylan O. Burge 2008-6-1 DOB 1007 c Napa South of Butts Canyon, approximately 200 m east of Butts Canyon Road via unpaved track that begins 1.1 road miles south of the intersection between Butts Canyon Road and Snell Valley Road., 4.56 km 48 degrees true east-northeast of Aetna Springs. 340 Comment
  CAS-BOT-BC51560  Ceanothus oliganthus var. sorediatus W. L. Jepson 1891-7-7 s.n. Napa in the Vaca Mts. Comment
  CAS-BOT-BC51561  Ceanothus oliganthus var. sorediatus Willis L. Jepson 1928-4-1 s.n. Napa Wooden Valley grade, Napa River Basin Comment
  CAS-BOT-BC51564  Ceanothus oliganthus var. sorediatus H. E. McMinn 1923-5-25 974 a Napa Between Wooden Valley and Monticello Comment
  CAS-BOT-BC53225  Ceanothus parryi John Thomas Howell 1931-4-2 6057 Napa Wooden Valley Grade 4.5 miles east of Napa Comment
  JEPS42242  Ceanothus parryi W. L. Jepson 1938-5-22 18820 Napa Limekiln Creek Canyon Pope Valley (lower slopes) Comment
  JEPS42392  Ceanothus parryi Willis L. Jepson 1893-5-6 14023 Napa Calistoga Comment
  RSA293544  Ceanothus parryi C. W. Tilforth 1979-3-22 1855 Napa along Wooden Valley road, NE of Napa Comment
  HSC18366  Ceanothus prostratus C. B. Wolf 1928-5-4 1854 Napa Mt. St. Helena Comment
  RSA10636  Ceanothus prostratus var. occidentalis Carl B. Wolf 1928-5-4 1854 Napa Upper slopes of Mount St. Helena. Comment
  CAS-BOT-BC52200  Ceanothus purpureus Peter H. Raven 1953-4-2 5259 Napa e. of Imola 182 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
  JEPS2521 Image available Ceanothus purpureus W. L. Jepson 1893-4-28 Napa Mt. George gorges n of; Napa River Basin; Mt. George, Napa River Basin Comment
  SEINET3841331 Image available Ceanothus purpureus H. S. Reed 1939-4-16 Napa Napa Hills 213 Comment
  UC870641  Ceanothus purpureus Alice Eastwood and John Thomas Howell 1937-4-4 3832 Napa Wooden Valley Grade Comment
  UCD112681  Ceanothus purpureus J. Street 1950-4-24 s.n. Napa 4 miles north of Napa, 2 feet high. Comment
  UCD123962  Ceanothus purpureus D. O. Burge and K. B. Schroeder 2008-3-7 978 c Napa South of Lake Hennessey, 1.8 road miles (2.9 km) south of SR 128 via unnamed road beginning directly south of the entrance to the Lake Hennessey Boat Launch Facility, 5.17 km 47 deg. (True) ENE of Oakville. 370 Comment
  UCR21783  Ceanothus purpureus J. R. Haller 1979-5-4 3452 Napa Mead Ranch, near Atlas Peak Road, c. 5 miles (by road) north of state Hwy 121 and 9 miles north of Napa 488 Comment
  POM172088  Ceanothus purpureus Lester Rowntree 1930-7-15 s.n. Napa On Hogsback, 7 miles east of Napa Comment
  CAS-BOT-BC52895  Ceanothus velutinus H. E. McMinn 1926-1-2 1626 A Napa Mt. St. Helena, near tablet of R.L. Stevenson Comment
  JEPS44135  Centaurea calcitrapa W. L. Jepson 1893-1 Napa Oak Knoll Napa Valley, Oak Knoll 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
  UCD83403  Centaurium tenuiflorum Jake Ruygt 1998-7-6 4069 Napa Silverado Trail, just N of Rector Reservoir. 64 Comment
  JEPS106528  Centaurium trichanthum Jake Ruygt 1980-6-1 907 Napa Milton Rd. 0 Comment
  JEPS81885  Centaurium trichanthum Roger Raiche 1982-7-25 20641 Napa Butts Canyon Road Comment
  UC878329  Centaurium trichanthum Milo S. Baker 1938-8-22 9223 Napa just s Lake-Napa County line (Lower Lake-Knoxville Road) Comment
  UCD35668  Centranthus ruber Beecher Crampton 1960-5-17 5538 Napa About 4 miles north of Lokoya, 3.9 miles west of Oakville. Comment
  JEPS106656  Centromadia fitchii Jake Ruygt 1986-9-6 1914 Napa Trancas St. at Villa Lane 12 Comment
  UCD167095  Centromadia fitchii Jake Ruygt 2015-7-25 6149 Napa Missimer -Snell Valley Preserve. 177 Comment
  CAS-BOT-BC272824  Centromadia parryi subsp. parryi David D. Keck; J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi. N. of the center of town Comment
  CAS-BOT-BC272828  Centromadia parryi subsp. parryi Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC272831  Centromadia parryi subsp. parryi Alice Eastwood; John Thomas Howell 1938-5-15 5519 Napa Myrtledale Hot Springs Comment
  CAS-BOT-BC279253  Centromadia pungens subsp. pungens John Thomas Howell 1929-10-26 4542 Napa 9 miles north of Vallejo Comment
  UCD164822  Cephalanthus occidentalis Jake Ruygt 2012-6-30 5870 Napa Putah Creek, north of Crystal Flats. 195 Comment
  JEPS110589  Cephalanthus occidentalis var. californicus Jake Ruygt 1991-7-20 2783 Napa Pope Creek at high water line of Lake Berryessa 131 Comment
  CDA10896  Cerastium glomeratum G. F. Hrusa, M. Rejmanek 1993-5-15 10991 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD73508  Ceratophyllum demersum Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC179383  Cercis occidentalis Elizabeth Wright 1922-4-1 s.n. Napa Near Calistoga Comment
  JEPS107196  Cercis occidentalis Jake Ruygt 1994-3-26 3335 Napa .4 mile south of Wooden Valley Croos Rd on Suisun Valley Road 82 Comment
  RSA107846  Cercis occidentalis L. S. Rose 1955-4-4 55044 Napa Putah Creek, near Monticello, Canyon slopes Comment
  UC1540472  Cercis occidentalis Ethel Crum 1937-4-18 1787 Napa on Knoxville Rd 11 mi n Monticello Comment
  UCD145181  Cercis occidentalis Daphne K. Christopher; Hannah Stevens, Mark Bibbo 2003-4-11 136 Napa UC Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation. 138 Comment
  UCD48886  Cercis occidentalis S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 27 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd, N of jct with Cut-Off Rd. 152 Comment
  CHSC20625  Cercocarpus betuloides Robert A. Schlising 1964-3-24 2656 Napa 5.3 mi south of Jct Oakville Grande and Mount Veeder Road. California Coast Ranges. Comment
  UC187521  Cercocarpus betuloides var. betuloides Katharine Brandegee July 1910 Napa e of Angwin (Howell Mountain); Howell Mountain 914 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
  CAS-BOT-BC284566  Chaenactis glabriuscula var. heterocarpha John Thomas Howell 1941-6-22 16321 Napa Hills sw. of St. Helena Comment
  CAS-BOT-BC284567  Chaenactis glabriuscula var. heterocarpha John Thomas Howell 1941-6-22 16321 Napa Hills SW of St. Helena Comment
  UCD130360  Chaenactis glabriuscula var. heterocarpha Robert E. Preston 1988-4-10 575 Napa 0.4 mile southwest of the confluence of Putah Creek and Hunting Creek, 268 Comment
  CDA34657  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-12 16437 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  CHSC103011  Chamaesyce serpillifolia subsp. serpillifolia Lowell 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 soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS115779  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  SBBG128695  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-27 16486 Napa below high water line of Lake Berryessa, ca. 100 yards E of Eticuera Crk, ca. 50 yards S of Eticuera Parking Area at NE end of causeway on S side of Berryessa Knoxvill Rd, ca. 20 mi (air) NW of Winters 130 Comment
  CAS-BOT-BC68159  Cheilanthes intertexta John Thomas Howell 1931-4-4 6169 A Napa Mt. St. Helena region - Crater Country Comment
  JEPS103991  Cheilanthes intertexta Jake Ruygt 1983-11-17 1498 Napa Sage Canyon, east of Fir Canyon 365 Comment
  JEPS106819  Chenopodium ambrosioides Jake Ruygt 1991-8-24 2835 Napa Napa River at Bale Lane 80 Comment
  SEINET5764001 Image available Chenopodium berlandieri H. S. Reed 1948-1 2012 Napa Berryessa Valley, Putah Creek Comment
  UCD161734  Chenopodium berlandieri Jake Ruygt 2006-7-28 5082 Napa south of Airport Road. 13 Comment
  UCD170157  Chenopodium californicum Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 781 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 428 Comment
  RSA755365  Chenopodium pumilio L. Ahart 2009-10-27 16484 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road., About 20 air miles northwest of Winters. 130 Comment
  JEPS129032  Chlorogalum pomeridianum var. pomeridianum Jake Ruygt 2016-5-14 6257 Napa Missimer-Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  UCD117756  Chlorogalum pomeridianum var. pomeridianum Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  POM262795  Chorizanthe membranacea J. C. Roos 1939-5-6 294 Napa Near Three Peaks, Napa Range 915 Comment
  UC54973  Chorizanthe membranacea Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs (Napa River Basin, Napa Range); Napa Range, Napa River Basin, Napa Soda Springs Comment
  CAS-BOT-BC252840  Chorizanthe polygonoides var. polygonoides Catherine Best 1980-4-12 s.n. Napa Rocky area on Stage Coach Canyon Road about 3 1/2 miles NW of Waller's Springs Comment
  SEINET11933915  Chorizanthe polygonoides var. polygonoides F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -297 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  UC521765  Cichorium intybus Joseph Andorfer Ewan 1933-9-17 7998 Napa Napa Napa Valley Comment
  UCD35635  Cirsium cymosum Beecher Crampton 1959-5-26 5266 Napa North end of Capell Valley, above Capell Creek. Comment
  CDA9154  Cirsium douglasii var. breweri D. G. Kelch 2001-6-2 1 .019 Napa E of American Canyon, N of American Canyon Rd. Comment
  CDA1209  Cirsium douglasii var. douglasii Gene Cornett 1952-1-2 s.n. Napa S.E. corner of Napa Co.( 300 yds N of American Canyon Rd., 2.7 mi. E of Hwy 29, about 0.3 mi W of I-80)(map with sheet #3 of 4) Comment
  CAS-BOT-BC286572  Cirsium occidentale var. venustum Peter H. Raven 1951-5-20 2846 Napa W. Oakville 365 Comment
  UC1301212  Cirsium occidentale var. venustum Helen K. Sharsmith 1962-6-3 5116 a Napa near Angwin (w slope of Mount Howell); San Francisco Bay Region, Mount Howell 487 Comment
  CAS-BOT-BC169768  Cistanthe quadripetala Herbert L. Mason 1935-5-30 10010 Napa 4 miles N of Knoxville on the Monticello - Lower Lake Road Comment
  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
  UCD37324  Clarkia concinna Beecher Crampton 1959-5-26 5265 Napa North end of Capell Valley, Capell Creek. Comment
  UCD69057  Clarkia concinna P. Rodriguez-Rojo 1997-5-17 s.n. Napa Chiles and Pope Valley Rd. 200 Comment
  UCSC007502  Clarkia concinna L. D. Gottlieb 1988-7-7 15884 Napa Hwy 128 near Soda Creek bridge 198 Comment
  UCD21810  Clarkia concinna L. D. Gottlieb 1987-8-1 8740 Napa Hwy. 128, immediately west of Conn Dam. Comment
  HSC64520  Clarkia concinna subsp. concinna J. P. Smith, J. O. Sawyer 1970-5-17 3772 Napa 3 mi. S of Pope Valley Comment
  JEPS43613  Clarkia concinna subsp. concinna W. L. Jepson 1896-6-2 14426 Napa mouth Conn Valley (Conn Ridge); Napa Valley Comment
  POM38096  Clarkia concinna subsp. concinna Marcus E. Jones 1881-7-6 s.n. Napa St. Helena. 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
  UC130893  Clarkia concinna subsp. concinna Katharine Brandegee 1909-6-1 Napa from Calistoga; Pope Valley Grade Comment
  UC527846  Clarkia concinna subsp. concinna R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6674 Napa 10 mi n Howell Mountain; Butt's Canyon Comment
  SFV8362  Clarkia gracilis F. P. Guerrero 1961-5-14 22 Napa North Coast Ranges North slope of mountain near Lake Berryessa. 244 Comment
  UCD104555  Clarkia gracilis M. Wiesendanger 1927-5-4 681 Napa Near Monticello. Comment
  RSA155889  Clarkia gracilis subsp. albicaulis Peter H. Raven 1962-5-31 17920 Napa Lower Lake; Knoxville Road, 1.9 miles south of Lake Co. line Comment
Read comments
Jul 17 2015
  SEINET4145440  Clarkia gracilis subsp. sonomensis K. Brandegee 1910-5-22 120 Napa Mountain flopes from Calistoga to the Toll House Comment
  CAS-BOT-BC163829  Clarkia purpurea subsp. quadrivulnera Alice Eastwood 1915-6-5 4643 Napa Calistoga Comment
  JEPS110732  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1998-6-24 4052 Napa Rocky Ridge, east of Apple Tree Canyon. 676 Comment
  CAS-BOT-BC163690  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-6-10 2899 Napa Calistoga-[Hanly's] Hanley's, Toll Rd., Mt. St. Helena 182 Comment
  UC20319  Clarkia purpurea subsp. quadrivulnera Willis L. Jepson 1893-6-24 Napa road to Napa Soda Springs; Napa River Basin Comment
  CAS-BOT-BC164761  Clarkia rhomboidea Peter H. Raven 1951-5-26 s.n. Napa Howell Mtn just above Pope Valley Comment
  CAS-BOT-BC165608  Clarkia unguiculata John Thomas Howell 1929-5-30 4268 Napa Pope Valley Creek near Samuels Springs, Napa Range Comment
  UCD105083  Clarkia unguiculata J. D. Skoss 1948-6-6 20 Napa Putah Canyon. Comment
  UCR17451  Claytonia exigua subsp. exigua E. Turula 1975-3-29 75 Napa Soda Canyon Road, 4.2 mi. east of Silverado Trail 213 Comment
  CAS-BOT-BC439375  Claytonia gypsophiloides Carl B. Wolf 1928-5-3 1829 Napa Base of Mt. St. Helena Comment
  CAS-BOT-BC439376  Claytonia gypsophiloides John Thomas Howell 1926-3-20 1698 Napa Old toll road to Mt. St. Helena Comment
  CAS-BOT-BC439377  Claytonia gypsophiloides K. L. Chambers 1978-3-20 4438 Napa Hwy. 128 N of Calistoga, ca. 100 yds. E of Sonoma Co. line (2.5 mi. N of junction with Tubbs Lane Cutoff). Comment
  HSC17749  Claytonia gypsophiloides Elsa Kraeger 1926-3-28 Napa 0.5 mi. from Mt. St. Helena Inn Comment
  RSA10660  Claytonia gypsophiloides C. B. Wolf 1928-5-3 1829 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  JEPS77943  Claytonia parviflora subsp. parviflora Edward Lee 1936-3-15 1802 Napa 0.75 mi out Rutherford (Rutherford-Pope Valley road) Comment
  UCD18014  Claytonia parviflora subsp. parviflora Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 559 Napa Napa County. McLaughlin Reserve. South side of Knoxville-Berryessa Rd., just north of Hunting Creek, SE of Research Hill, by turnout and gate. Joe Callizo calls this area 'Cloaca of Morgan Valley. 609 Comment
  UCD168555  Claytonia perfoliata subsp. perfoliata 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
  UCD49116  Clematis lasiantha E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., 400 as the crow flies feet NNW of the jct of West Rd. and South Decker Canyon Rd. 167 Comment
  RSA42341  Collinsia greenei Lincoln Constance, J. F. Davidson, R. H. Shan, W. H. Wagner 1946-5-18 3046 Napa Souteast slope of Mount St. Helena, near the old inn. Comment
  UC735041  Collinsia greenei Lincoln Constance, John F. Davidson, Ren Hwa Shan, & W. Herbert Wagner 1946-5-18 3046 Napa near Mount St. Helena Inn (se slope of Mount St. Helena); Mount St. Helena Comment
  JEPS118638  Collinsia heterophylla B. Castro and L. P. Janeway 2002-5-12 1358 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. Jericho Valley 7.5' quad. Comment
  UCD160792  Collinsia heterophylla Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8672 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD18158  Collinsia heterophylla Eva Bayon; with Plant Biology 102 class 2000-4-29 s.n. 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
  UCD49262  Collinsia heterophylla Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd.,W side of creek. 167 Comment
  OBI54927  Collinsia heterophylla Kathleen Faustini 1980-5-4 26 Napa Roadside by Monticello Dam Comment
  RSA789049  Collinsia heterophylla Carrie A. Herd 1982-5-9 95 Napa Sage Canyon Road 0.8 m. W.. of Con Dam 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
  UCD36168  Collinsia sparsiflora Beecher Crampton 1952-3-24 1024 Napa 3 miles south of Monticello, along state Highway 128. Comment
  CDA11625  Collinsia sparsiflora var. arvensis G. F. Hrusa, S. Larson 1995-4-1 12064 Napa North Coast Biodiversity Arena; Chiles Valley/Pope Valley Rd. approx 2 m. S of Pope Canyon Rd. intersection. Comment
  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
  UC1196820  Collinsia sparsiflora var. arvensis Joseph P. Tracy 1933-4-30 12110 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain, La Jota Plateau); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  RSA195365  Collinsia sparsiflora var. arvensis Gilbert Muth 1967-3-31 598 Napa Old Howell Mountain road. 457 Comment
  RSA505375  Collinsia sparsiflora var. arvensis R. C. Bacigalupi, Jon Dawson 1955-4-25 4844 Napa Along Conn Creek road, about 0.75 mile below (w. of) Lake Hennessey Dam. 79 Comment
  UC26552  Collinsia sparsiflora var. sparsiflora Willis L. Jepson 1893-4-26 Napa La Lomita; Napa River Basin, La Lomita Comment
  UCD123671  Collinsia sparsiflora var. sparsiflora D. C. Finfrock 1950-4-2 14 Napa 2 miles from St. Helena on Pope Valley Road. Comment
  UCD170677  Collinsia sparsiflora var. sparsiflora Matthew Conner; Plant Science 102 class 2018-4-28 13 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 160 Comment
  JEPS112526  Collinsia tinctoria Jake Ruygt 1978-5-14 312 Napa .6 mile north of Oakville Cross Rd. on Silverado Trail 121 Comment
  UCD13261  Collomia diversifolia Neil Miller 1973-5-5 56 Napa McDonald Ranch, east of Los Posados State Forest, ca. 5 miles south of Pope Valley on Pope Valley Road. Elevation 1000 feet. 304 Comment
  UCD118178  Collomia heterophylla K. Esau 1935-5-5 s.n. Napa Near Petrified Forest, Calistoga. Comment
  CAS-BOT-BC286035  Conyza canadensis Peter H. Raven 1951-8-19 3849 Napa Near Lokoya 487 Comment
  JEPS6768  Cordylanthus pilosus subsp. pilosus Peter H. Raven 1951-8-19 3834 Napa near Lokoya 487 Comment
  JEPS6633  Cordylanthus pilosus subsp. pilosus R. F. Hoover 1938-9-23 3859 Napa foothills e St. Helena 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
  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
  JEPS62605  Cordylanthus pringlei T. I. Chuang with Fei-Mei Chuang 1970-8-25 6842 Napa just s Napa and Lake County line (on US Hwy 29) Comment
  SD133728  Cordylanthus pringlei T. I. Chuang, Fei-Mei Chuang 1970-7-25 6831 Napa 0.9 mile north of Napa and lake county line, on US Highway 29 Comment
  UC1357607  Cordylanthus pringlei R. F. Hoover 1966-8-23 9922 Napa 0.5 mi s Lake Co. line (e side of Mt. St. Helena); Mt. St. Helena Comment
  UC1357611  Cordylanthus pringlei R. F. Hoover 1966-8-23 9922 Napa 0.5 mi s Lake Co. line (e side of Mt. St. Helena); Mt. St. Helena Comment
  CAS-BOT-BC238222  Cordylanthus tenuis subsp. brunneus R. F. Hoover 1941-8-24 5571 Napa East side of Mt. St. Helena Comment
  JEPS55938  Cordylanthus tenuis subsp. brunneus T. I. Chuang and F. M. Chuang 1968-7-24 6485 Napa 10.9 mi n Calistoga Comment
  SD133720  Cordylanthus tenuis subsp. brunneus T. I. Chuang, Fei-Mei Chuang 1970-7-25 6831 A Napa Just south of the Napa and Lake County line, on US Highway 29 Comment
  CAS-BOT-BC209418  Cornus nuttallii Rimo Bacigalupi 1926-3-28 1267 Napa In canyon just below Mt. St. Helena Inn (Mollie Patton's). Lower slopes of Mt. St. Helena 670 Comment
  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
  UCD13146  Cornus nuttallii Hilary Rypka 1981-5-2 34 Napa Napa CO. Mt. St. Helena. Highway 29, 7 miles southwest of Middletown. Elevation 3000'. 914 Comment
  UC21548  Cornus sericea subsp. sericea Willis L. Jepson 1894-1 Napa Napa R. near St. Helena; Napa R. Basin, Napa R. Comment
  JEPS97929  Coronopus squamatus Jake Ruygt 1997-4-28 3839 Napa S of Napa (E of Hwy 29, S of South Kelly Road) 19 Comment
  UCD130901  Cotula coronopifolia David Lawfer 1952-4-20 150 Napa Napa. Comment
  UC1300834  Crassula connata var. subsimplex Helen K. Sharsmith 1963-3-17 5217 Napa s. side Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD164829  Crepis pulchra Jake Ruygt 2012-6-16 5866 Napa Alston Park near north parking lot. 33 Comment
  JEPS120403  Crocanthemum scoparium var. vulgare Jake Ruygt 2004-5-8 4600 Napa near Lone Pine Thicket, off Devilhead Comment
  OBI74553  Crypsis schoenoides David J. Keil 1986-11-8 19798 Napa Along Lake Berryessa Knoxville Rd near Knoxville:3.0 mi S of turnoff to Homestake McLaughlin Mine/Mill 350 Comment
  CDA43110  Crypsis schoenoides David J. Keil 1986-11-8 19798 Napa Along Lake Berryessa-Knoxville Rd. near Knoxville: 3.0 mi south of turnoff to Homestake McLaughlin Mine/Mill. Comment
  JEPS122995  Crypsis vaginiflora Jake Ruygt 1990-1-29 2432 Napa Napa Range about 1/2 mile south of Circle Oaks. Quad: Capell Valley. Comment
  SEINET4206989  Cryptantha clevelandii Barbara Ertter, Annetta Carter 1989-5-28 8510 Napa Near Knoxville 2 mi SE of Lake Co. line on Berryessa Rd.; 0 610 Comment
  UCD161331  Cryptantha flaccida Jake Ruygt 1987-4-18 977 c Napa Harris Canyon. (Coordinates estimated by label maker at UC Davis). Comment
  UC912356  Cryptantha flaccida Herbert L. Mason 1934-4-30 8105 Napa 5 mi s Monticello (tributary of Putah Creek); Putah Creek Comment
  JEPS106698  Cryptantha hispidula Jake Ruygt 1996-4-27 3636 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 384 Comment
  UCD169788  Cryptantha hispidula Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 797 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 446 Comment
  UCD18062  Cryptantha hispidula Ellen Dean; with Plant Biology 102 class 2000-4-22 617 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
  UC78713 Image available Cryptantha hispidula C. F. Baker 1903-5-8 2966 Napa Knoxville; ; Knoxville, Napa Co. Comment
  UCD74373  Cryptantha hispidula Jake Ruygt 2004-5-8 4595 Napa Berryessay-Knoxville Rd., about 1.6 mi. north of Homestake tunnel. 640 Comment
  JEPS126074  Cryptantha nemaclada Jake Ruygt 1981-4-18 977 b Napa Harris Canyon. Napa 7.5' Quad. Comment
  CHSC108742  Cupressus macnabiana B. Castro; L. P. Janeway 2002-5-12 1362 Napa Inner North Coast Ranges. SW-facing slope along Devilhead Road 0.5 mi south of Berryessa-Knoxville Road and Knoxville Creek. 487 Comment
  UCD133528  Cupressus macnabiana D. Mattson 1969-10-18 9 Napa Knoxville Public Lands. Comment
  RSA92799  Cupressus macnabiana P. H. Raven 1951-10-28 3958 Napa Knoxville. 457 Comment
  JEPS103999  Cupressus sargentii Jake Ruygt 1979-2-25 436 Napa Oat Hill Mine Rd. near Aetna Springs 411 Comment
  UC578055  Cupressus sargentii A. E. Wieslander 1934-2-25 371 Napa Calisoga-Middletown 3 mi e St. Helena; Calistoga Quadrangle Comment
  UC766733  Cupressus sargentii R. F. Hoover 1940-8-25 4543 Napa e side Mt. St. Helena Comment
  SEINET11739562  Cupressus sargentii F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -322 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  UCD170284  Cuscuta Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 824 Napa Knoxville Wildlife Area, north of Nevada Creek. 461 Comment
  UCD69069  Cuscuta californica P. Rodriguez-Rojo 1997-5-31 Napa Butts Canyon Rd. Butts Creek. Parasite on annual grasses. UTM: 10SEN4884 180 Comment
  JEPS47133  Cuscuta subinclusa W. L. Jepson 1930-10-19 15696 Napa Butts Canyon, ne Napa County Butts Canyon Comment
  SEINET891444  Cuscuta subinclusa Harley P. Chandler 1906-1 7124 Napa Alta Loma Ranch. Howell Mountain. 487 Comment
  CAS-BOT-BC190215  Cynodon dactylon Peter H. Raven 1951-6-24 3003 Napa Napa. 30 Comment
  HSC3636  Cynoglossum grande Greg Bos 1963-3-3 23 Napa W shore of Lake Berryesa, S slope of Hill. 183 Comment
  RSA195286  Cynoglossum grande Gilbert Muth 1967-4-19 603 Napa Aetna Springs Road. 305 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
  UCD158906  Cynoglossum grande G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  UCD119154  Cynoglossum grande Collector unknown Date unknown s.n. Napa location unknown. Comment
  UCD60134  Cynosurus cristatus John Thomas Howell 1943-6-20 18239 Napa Southwest of St. Helena. Comment
  UCD37686  Cynosurus echinatus Beecher Crampton 1961-6-12 5903 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  SEINET3926424  Cynosurus echinatus Kathleen Barnes 1973-6-4 54 Napa Near house, McDonald Ranch, ca. 2 air-miles east of Angwin, Pope Valley.; 0 Comment
  JEPS121348  Cyperus difformis Jake Ruygt 1987-9-24 2096 Napa Marina Drive, Napa. 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
  UC1950191  Cyperus erythrorhizos Barbara Ertter with Elizabeth Neese 1988-10-2 7965 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge Comment
  UCD20705  Cyperus erythrorhizos Mark Bibbo 2002-7-28 75 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
  UCD161533  Cyperus niger Jake Ruygt 1991-7-26 2800 Napa road from Johnson's Meadow to Wooden Valley Wild Horse Valley Ranch. 207 Comment
  UC1563684  Cypselea humifusa Barbara Ertter with Elizabeth Neese 1988-10-2 7967 Napa ca 15 air mi nnw Napa (Lake Hennessey, on Conn Creek, e of boat-launching ramp on se edge); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  CHSC14003  Cystopteris fragilis C. Eiser 1974-4-24 30 Napa Ne Hwy 128, ca. 6 mi from Markley Canyon Launching, Lake Berryessa. 365 Comment
  JEPS116568  Cystopteris fragilis Jake Ruygt 1993-4-3 3181 Napa Little Bear Valley. Detert Reservoir 7.5' Quad. Comment
  SEINET893038  Cytisus canariensis David Lawfer 1952-1 154 Napa Napa. Comment
  CHSC102261  Datura stramonium var. tatula Lowell Ahart 2009-10-27 16502 Napa Below the high water line of Lake Berryessa, about 200 yards east of Eticuera Creek, about 150 yards southeast of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  UCD127396  Daucus carota R. Tofsrud 1948-6-15 s.n. Napa Exact location unknown. Comment
  JEPS104563  Daucus pusillus Jake Ruygt 1984-5-5 1546 Napa ridge north of Bell Canyon Comment
  RSA187491  Daucus pusillus John H. Thomas 1955-5-21 5139 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa 244 Comment
  UCD161638  Daucus pusillus Jake Ruygt 2005-5-9 4823 Napa Knoxville Wildlife Area, west side of Berryessa-Knoxville Road. (Coordinates converted from UTM data by label maker.) 429 Comment
  JEPS106658  Deinandra corymbosa Jake Ruygt 1988-6-26 2213 Napa 1.3 miles west of HWY 29 on Green Island Road 9 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
  LA207477  Delphinium hesperium H. Lewis; G. Mehlquist 1941-5-9 sn Napa Monticello to Fairfield road, 1 mi. S of junction with Napa Road Comment
  UC1196312  Delphinium hesperium subsp. pallescens Joseph P. Tracy 1899-6-19 352 Napa on hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UCD48155  Delphinium hesperium subsp. pallescens R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 28 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  UC725545  Delphinium hesperium subsp. pallescens A. A. Heller 1941-5-16 16124 Napa along creek s Knoxville (roadside banks); Eticura Creek 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
  HSC58984  Delphinium nudicaule George E. Johnston 1974-4-4 1026 Napa Near Bell Canyon 427 Comment
  UCD102766  Delphinium nudicaule Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 200 Comment
  CAS-BOT-BC9817  Delphinium nudicaule Ira L. Wiggins 1949-4-30 12079 Napa Along old toll road between Calistoga and Middletown, about 2.5 mi. from Calistoga Comment
  UC635355  Delphinium nudicaule A. E. Borell 1928-4-13 124 Napa 10 mi s Petaluma Comment
  UC1126049  Delphinium patens A. Lewis 1932-5-13 73 Napa Calabasas Creek Napa Quadrangle 365 Comment
  UCD18365  Delphinium patens R. Wenk 2000-5-14 1 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd., along side of steep, paved road. 140 Comment
  CAS-BOT-BC116491  Delphinium patens subsp. patens Alice Eastwood 1915-6-6 4688 Napa Mt. St. Helena Comment
  JEPS110982  Delphinium patens subsp. patens Jake Ruygt 1976-4-23 15 Napa 1.9 miles NE of Silverado Trail on Deer Park Rd. 188 Comment
  RSA304849  Delphinium patens subsp. patens James R. Shevock 1971-4-8 922 Napa Hwy 29, near county line. 549 Comment
  JEPS41077  Delphinium uliginosum Rimo Bacigalupi and L. R. Heckard 1965-5-16 9100 Napa ca 7 mi se Knoxville (at head of Devilhead Rd, meadow at center of Valley); Cedar Valley 579 Comment
  JEPS96762  Delphinium uliginosum Dean W. Taylor 1998-6-18 16672 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley 289 Comment
  UCD54385  Delphinium uliginosum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. 390 Comment
  SEINET3824804 Image available Delphinium uliginosum Unknown 1982-6-1 s.n. Napa 9.9 miles south of Middletown Lake or Napa county Comment
  JEPS23359  Delphinium variegatum Miss R. Kuhn 1912-4-17 Napa Oakville Napa Valley Comment
  UCD147535  Delphinium variegatum Ellen Dean; Diana Hickson 2014-4-29 8089 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD67949  Delphinium variegatum Caryn Franscioni 1977-4-24 3 Napa 2.6 mi. SE of Knoxville mine, Eticuera Creek, just off Knoxville Mine Rd. 304 Comment
  JEPS23365  Delphinium variegatum subsp. apiculatum Willis L. Jepson 1893-4-26 Napa La Lomita Napa River Basin (= Yountville) Comment
  JEPS110974  Delphinium variegatum subsp. variegatum Jake Ruygt 1992-5-20 2987 Napa south of Leoma Lakes, Wild Horse Valley Ranch 411 Comment
  JEPS23362  Delphinium variegatum subsp. variegatum Willis L. Jepson 1893-4-22 Napa hills near Veterans Home (= Yountville); Napa River Basin Comment
  JEPS110778  Dendromecon rigida Jake Ruygt 1987-5-16 1991 Napa Bismark Knob 606 Comment
  UCD118741  Dendromecon rigida Katherine Graham; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  CAS-BOT-BC655  Dendromecon rigida subsp. rigida Elmer Ivan Applegate 1934-3-31 8866 Napa Putah Creek region, Mayacama mountains, south of Cobb Mt. Comment
  CAS-BOT-BC658  Dendromecon rigida subsp. rigida L. R. Abrams 1928-5-4 12274 Napa Mt. St. Helena trail. Comment
  SEINET10515817  Deschampsia cespitosa Peter H. Raven 1965-5-16 Raven 20210 Napa Cedar Valley, vicinity of Knoxville. Along stream in grove of Cupressus sargentii. 610 Comment
  JEPS122993  Deschampsia cespitosa subsp. beringensis Jake Ruygt 1992-6-22 3051 Napa SW of Mitten Lake, Wild Horse Valley Ranch. Quad: Mount George. Comment
  SBBG89094  Deschampsia cespitosa subsp. cespitosa L. F. LaPre 1986-5-6 Napa Cedar Crk, 3.5 mi SW of Knoxville and ca. 0.5 air mi W of Devilhead Rd 548 Comment
  POM126104  Deschampsia danthonioides Joseph P. Tracy 1903-5-15 1854 Napa Napa Valley, near Calistoga Comment
  UC1103221  Deschampsia danthonioides J. P. Tracy 1902-5-19 1554 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 518 Comment
  UC1103262  Deschampsia danthonioides J. P. Tracy 1899-6-13 345 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek); Howell Mt., Moore's Creek 365 Comment
  UC187274  Deschampsia danthonioides Joseph P. Tracy 1903-5-15 1854 Napa near Calistoga Northern Coast Ranges, Napa Valley 91 Comment
  SEINET3927638  Deschampsia danthonioides Peter H. Raven 1957-5-5 10746 Napa Near airport in Calistoga.; 0 91 Comment
  CAS-BOT-BC201723  Deschampsia elongata Betty H. Johnson 1958-6-20 655 Napa Near Mt. Mill House, 6.4 miles SW of Middletown Comment
  POM262788  Deschampsia elongata J. C. Roos 1939-7-16 270 Napa Howell Mountain Comment
  UCD149576  Deschampsia elongata 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
  SEINET7072770  Dichelostemma capitatum A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  CAS-BOT-BC499422  Dichelostemma capitatum H. C. Cantelow 1939-4-8 3923 Napa 2.5 mi. n. w. of Knoxville Comment
  SEINET12045034  Dichelostemma capitatum Unknown 1972-1 14 Napa N shore of Lake Berryessa about 5 m above Monticella Dam, South Coast Range 274 Comment
  UC421802  Dichelostemma capitatum H. P. Chandler 1907-5-8 7563 Napa White Sulphur Springs St. Helena Comment
  UCD139189  Dichelostemma capitatum subsp. capitatum J. D. Clark 1995-5-27 18 Napa Napa County. Collected on trail between 1/4-3/4 mile from trailhead at Highway 129. Trailhead begins on the E side of Highway 129 across from the Robert Lewis Stevenson State Park parking lot. 548 Comment
  UCD48780  Dichelostemma capitatum subsp. capitatum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  RSA734223  Dichelostemma capitatum subsp. capitatum Keith E. Hoffmaster 1946-3-9 1205 Napa Napa range, near summit of Napa-Monticello road. 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
  CAS-BOT-BC502160  Dichelostemma congestum John H. Thomas 1955-5-21 5115 Napa Sarco Creek drainage, near State Highway 37, about 6 miles from Napa. 274 Comment
  CAS-BOT-BC502159  Dichelostemma congestum Peter H. Raven 1957-5-5 10773 Napa Hills at the western edge of Calistoga Comment
  UCD48788  Dichelostemma volubile Kook-Hyun Chung; J. Deusterman, C. Ineich, and M. Hauselt 2001-4-28 13 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd., N of jct with South Decker Canyon Rd. 224 Comment
  UCD139265  Dichelostemma volubile Rolf Y. Berg 1963-6-1 s.n. Napa south side of Lake Berryessa, ca. 4 miles west of Monticello Dam, State Highway 128. Comment
  UCD14205  Dichelostemma volubile William Tierney 1973-5-12 77 Napa along Highway 128, 10 miles west of Winters, near Monticello Dam; 228 Comment
  CAS-BOT-BC150365  Diplacus aurantiacus Gilbert Muth 1967-5-17 668 Napa Oat Hill Road, Calistoga 243 Comment
  CAS-BOT-BC150366  Diplacus aurantiacus L. R. Abrams 1916-7-12 5769 Napa Near St. Helena Sanitarium Comment
  CAS-BOT-BC151958  Diplacus douglasii John Thomas Howell 1940-5-19 15454 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC151940  Diplacus douglasii Maxine Wilkes 1940-5-5 s.n. Napa Creek draining St. Helena Palisades Comment
  CHSC25142  Diplacus grandiflorus J. E. Beitler 1970-4-19 30 Napa St. Helena. Directly opposite dam of Upper Spring Mountain reservoir on E. side of Spring Mountain Road. Comment
  CAS-BOT-BC153279  Diplacus kelloggii Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC153410  Diplacus layneae John Thomas Howell 1940-5-19 15461 Napa Upper St. Helena Creek Comment
  SD241953  Diplacus layneae Dean Wm. Taylor, Mey Akasah 1999-6-3 17224 Napa Ridge dividing Eticeura Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road (Knoxville 532D 7.5'Q) Recently dozed jeep road along ridgeline. 594 Comment
  JEPS126108  Dipsacus sativus Jake Ruygt 1992-7-14 3094 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Qua. Comment
  JEPS122987  Distichlis spicata Jake Ruygt 1991-6-28 2733 Napa DFG property; Huichica Creek, Buchli Station. Quad: Cuttings Wharf. Comment
  HSC100797  Dittrichia graveolens Lowell Ahart 2009-10-27 16503 Napa Along road at the intersection of Pope Canyon Rd. and Berryessa Knoxville Rd., near Lake Berryessa, 20 (air) mi. W of Winters. 152 Comment
  HSC17857  Dodecatheon hendersonii Greg Bos 1963-3-30 53 Napa 2.5 mi. up the Old Toll Rd. out of Calistoga. E slope 305 Comment
  POM78451  Dodecatheon hendersonii C. F. Baker 1903-4-20 2616 Napa Mt. St. Helena. Comment
  RSA733815  Dodecatheon hendersonii Keith E. Hoffmaster 1946-3-9 1220 Napa Napa range, near summit of Napa-Monticello road. Comment
  UCD15065  Dodecatheon hendersonii Gail Matson 1977-4-16 23 Napa Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam. Comment
  UCD15066  Dodecatheon hendersonii Mark Harder 1977-4-16 8 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam; 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
  POM299293  Downingia concolor var. concolor Lester Rowntree 1938-5-16 s.n. Napa Atlas Peak Rd, from Napa. Comment
  RSA195338  Downingia concolor var. concolor Gilbert Muth 1967-5-19 694 Napa Milliken Dam. 335 Comment
  UCD160761  Downingia cuspidata Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8631 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
  UCD167135  Downingia cuspidata Jake Ruygt 2015-5-23 6108 d Napa West of Buck Mountain. 599 Comment
  SEINET10805792 Image available Downingia cuspidata Edward L. Greene 1895-5-11 Greene 1895 Napa Napa Valley Comment
  RSA123326  Drymocallis glandulosa var. glandulosa B. O. Schreiber 1936-3-5 2202 Napa 1.5 miles W of Calistoga 152 Comment
  CAS-BOT-BC527333  Drymocallis glandulosa var. reflexa H. M. Hall 1931-5-26 13089 Napa Napa Range, west side Comment
  JEPS103988  Dryopteris arguta Jake Ruygt 1978-3-12 238 Napa .9 mile east of Silverado Trail on Deer Park Road 152 Comment
  RSA693749  Dryopteris arguta B. C. Templeton 1957-6-26 s.n. Napa Near Hill and Connors anches, Calistoga Comment
  UCD136448  Dryopteris arguta D. H. Hartmann 1942-3-7 s.n. Napa In Green Valley. Comment
  JEPS50046  Dudleya cymosa W. L. Jepson 1938-5-22 18821 Napa Limekiln Creek Canyon Pope Valley Comment
  UCD47954  Dudleya cymosa A. Laffin; S. Holck, A. Randall 2002-4-13 5 Napa Napa County, McLaughlin UC Reserve, North of Knoxville-Berryessa Road and ca. 0.5 airline mile WSW of old town of Knoxville. 437 Comment
  SD95159  Dudleya cymosa Susan Danford 1964-5-8 25 Napa On creek just east of State Highway 128, 3.0 miles southwest of Monticello Dam. Comment
  UCD101886  Dudleya cymosa Michael Fleschner 1965-5-13 13 - Napa next to Zim Zam Creek near Cedar Valley, west of Berryessa Knoxville Road, north of Lake Berryessa. Comment
  CAS-BOT-BC428111  Dudleya cymosa subsp. cymosa S. M. Carpenter 1952-4-20 46 Napa Near Samuel's Springs 106 Comment
  CAS-BOT-BC428152  Dudleya cymosa subsp. cymosa J. Clausen 1935-5-22 1066 Napa 19.5 mi. S.E. of Lower Lake, on the Monticello road Comment
  UC1562883  Echinodorus berteroi Barbara Ertter with Elizabeth Neese 1988-10-2 7968 Napa Lake Hennessey ca. 15 airmiles n.n.w. of Napa (e. of boat-launching ramp on s.e. edge, on Conn Creek in N. Coast Ranges); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  CAS-BOT-BC445574  Echinodorus berteroi Peter H. Raven 1951-10-28 3934 Napa At w. end of Conn Lake 152 Comment
  JEPS122654  Eclipta prostrata Jake Ruygt 1998-8-29 4113 Napa Berryessa at Eticuera Creek parking pullout. Quad: Water Spring. Comment
  JEPS7759  Eclipta prostrata Peter H. Raven 1951-10-28 Napa Conn Lake 152 Comment
  CAS-BOT-BC113338  Eleocharis montevidensis Peter H. Raven 1951-5-26 s.n. Napa Butts Creek Canyon. Comment
  JEPS121355  Eleocharis obtusa var. engelmannii Jake Ruygt 1992-7-4 3063 Napa Wild Horse Valley Ranch, near Mitten Lake. Comment
  JEPS121353  Eleocharis parvula Jake Ruygt 1986-7-13 1879 b Napa SW of Buchli Station near county line Comment
  RSA125599  Eleocharis rostellata Peter H. Raven 1957-5-5 17053 Napa Calistoga 91 Comment
  CAS-BOT-BC451525  Elodea canadensis Peter H. Raven 1952-5-31 4110 Napa Conn Cr. e. of Yountville 45 Comment
  UC769959  Elymus X hansenii Robert F. Hoover 1941-6-8 5321 Napa Mt. St. Helena; e side Comment
  UCD118395  Elymus elymoides subsp. elymoides Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 407 Comment
  UCD61848  Elymus glaucus M. Wiesendanger 1927-5-4 702 Napa Monticello, Napa Road. Comment
  CAS-BOT-BC203594  Elymus glaucus subsp. glaucus Peter H. Raven 1964-5-9 19047 Napa 2 miles west of Aetna Springs Comment
  CAS-BOT-BC203598  Elymus glaucus subsp. glaucus Peter H. Raven 1957-5-5 10761 Napa Hills at western edge of Calistoga 152 Comment
  JEPS122976  Elymus multisetus Jake Ruygt 1986-5-17 1768 Napa 0.4 mile east of Flosden Road on American Canyon Road. Quad: Cordelia. Comment
  JEPS122978  Elymus multisetus Jake Ruygt 1982-6-13 1315 Napa Cedar Roughs. Quad: Chiles Valley. Comment
  UCD160740  Elymus multisetus Ellen Dean 2015-5-23 8792 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
  UC1153914  Elymus trachycaulus Beecher Crampton 1957-6-4 4106 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UCD167092  Elymus trachycaulus subsp. trachycaulus Jake Ruygt 2015-7-4 6145 Napa Missimer - Snell Valley Preserve. 180 Comment
  JEPS110696  Epilobium brachycarpum Jake Ruygt 1992-5-6 2947 Napa Wild Horse Valley Ranch, west of Mitten Lake 420 Comment
  JEPS44029  Epilobium canum subsp. canum W. L. Jepson 1922-10-22 9834 Napa bed of White Sulphur Creek St. Helena Comment
  JEPS44051  Epilobium canum subsp. canum W. L. Jepson 1894-10-14 14429 Napa rocky summits back of Rebecca Ranch (in range sw of Calistoga) Comment
  RSA39634B  Epilobium canum subsp. canum P. A. Munz 1947-10-10 12215 Napa Inner Coast Range, 11 miles east of Rutherford, on road to Winters. Comment
  UCD19917  Epilobium canum subsp. canum E. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 773 Napa Quail Ridge Reserve. SW corner of Lake Beryessa, along South Decker Canyon Road, S of junction with Cut-off Road. 176 Comment
  CAS-BOT-BC171953  Epilobium canum subsp. latifolium Willis L. Jepson 1903-9-7 2355 Napa York Creek Canyon, Napa River Basin Comment
  JEPS110714  Epilobium minutum Jake Ruygt 1981-5-6 1017 Napa .2 mile east of Walter Springs on Pope Canyon Rd. 182 Comment
  UC144088  Epilobium minutum J. P. Tracy 1902-5-16 1499 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 457 Comment
  UCD160708  Epilobium torreyi Ellen Dean; Jake Ruygt 2015-5-23 8767 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  UCD167251  Epilobium torreyi Jake Ruygt 1996-6-23 3754 Napa Wantrup Wildlife Sanctuary, Hardrin Road, Pope Valley. 310 Comment
  UCSB4279  Epilobium torreyi 1959-6-22 Napa Near southeast shore of Lake Hennessy, Napa Range Comment
  JEPS120428  Equisetum hyemale Jake Ruygt 2007-4-21 5155 Napa Jameson Canyon at west end of narrow passage of highway. Comment
  JEPS103964  Equisetum telmateia Jake Ruygt 1979-4-8 493 Napa Mt. St. Helena, at base of fire trail 658 Comment
  UCD116241  Eremalche parryi Eric S. Nagy 1990-4-29 005 Napa NW shore of Lake Berryessa, Berryessa Knoxville Road mile marker 16.25. Comment
  JEPS106424  Eremocarpus setiger Jake Ruygt 1978-6-11 347 Napa 1.5 miles north of Silverado Trail on Soda Canyon Rd. 60 Comment
  JEPS52486  Eremocarpus setiger W. L. Jepson 1923-10-22 9839 Napa St. Helena Comment
  JEPS106940  Ericameria arborescens Jake Ruygt 1991-12-7 2849 Napa Mead Ranch, Atlas Peak Rd, ridge over Soda Canyon 554 Comment
  CHSC102301  Erigeron canadensis Lowell Ahart 2009-10-12 16418 Napa Above 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. 437 Comment
  POM52140  Erigeron inornatus var. biolettii H. M. Hall 1909-6-25 8518 Napa Guernewood Park Comment
Read comments
Jul 24 2013
  CAS-BOT-BC295730  Erigeron petrophilus var. petrophilus Peter H. Raven 1951-6-10 s.n. Napa Crater Region, e. of Palisades 762 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
  UCD160747  Erigeron reductus var. angustatus Ellen Dean 2015-5-23 8799 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
  CHSC102290  Erigeron sumatrensis Lowell Ahart 2009-10-12 16419 Napa At the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  HSC43918  Eriodictyon californicum Robert M. Specht 1977-4-13 657 Napa South-facing slope 488 Comment
  RSA201835  Eriodictyon californicum Stephen Willeford 1964-5-1 4 Napa East side of State Highway 128, 3 miles southwest of Monticello Dam. 183 Comment
  UCD119248  Eriodictyon californicum Kamala Crompton 1996-4-21 2 Napa Along Road 128. 180 Comment
  UCD18161  Eriodictyon californicum Eva Bayon; with PLB 102 class 2000-4-29 s.n. Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD48049  Eriodictyon californicum Robert Wolfson; J. Westbrook, S. Ratay, A. Houser, M. Disney, S. Wathen 2000-4-22 8 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles South of Berryessa-Knoxville Rd. Along east side of Devilhead Rd, 1st ridge south of Devilhead Rd. 518 Comment
  UCD164780  Eriogonum dasyanthemum Jake Ruygt 1990-9-26 2611 Napa Northwest corner end of Wooden Valley. 307 Comment
  POM204403  Eriogonum luteolum J. T. Howell 1933-8-17 11622 Napa Sage Canyon, Napa Range Comment
  JEPS129116  Eriogonum luteolum var. luteolum Jake Ruygt 2015-7-4 6144 Napa Missimer - Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  UC912829  Eriogonum luteolum var. luteolum Lewis S. Rose 1939-8-20 39357 Napa 6 mi e Rutherford; Chiles Creek Canyon 213 Comment
  UCR43082  Eriogonum luteolum var. luteolum L. F. LaPre 1986-6-8 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon', a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville, just east of Lake Co. Line 366 Comment
  CAS-BOT-BC268976  Eriogonum nudum var. auriculatum Susan G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mountains Comment
  CAS-BOT-BC268977  Eriogonum nudum var. auriculatum Peter H. Raven 1951-8-22 3884 Napa 2 8/10 miles from Lokoya on Napa Rd 228 Comment
  CAS-BOT-BC124286  Eriogonum nudum var. nudum Susan Gabriella Stokes 1933-8-27 88 Napa Near Chiles Valley, Napa Range Comment
  CAS-BOT-BC124287  Eriogonum nudum var. nudum Susan Gabriella Stokes 1933-8-27 88 Napa Near Chiles Valley, Napa Range Comment
  JEPS56436  Eriogonum roseum W. L. Jepson 1930-10-19 15686 Napa Conn Creek Napa Valley, Conn Creek 45 Comment
  SEINET11934232  Eriogonum tripodum F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -301 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 780 Comment
  SBBG64230  Eriogonum vimineum S. G. Stokes 1933-8-27 81 Napa Sage Cyn, Napa Mtns 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
  UCD101529  Eriogonum vimineum Robert E. Preston 1987-6-20 568 Napa 3/4 mile N of Round Corral in Big Basin. 268 Comment
  CAS-BOT-BC298510  Eriophyllum confertiflorum John Thomas Howell 1941-6-21 16313 Napa Hills SW of St Helena Comment
  HSC67487  Eriophyllum lanatum J. P. Smith, J. O. Sawyer 1970-5-17 3788 Napa 9 mi. N of Pope Valley Comment
Read comments
Jun 12 2012
  POM315944  Eriophyllum lanatum var. achilleoides Patricia Wilder 1965-6-9 3602 Napa Franz Valley School Road, ca. 1.1 mile N of road to Petrified Forest 183 Comment
  UC1301026  Eriophyllum lanatum var. achilleoides Helen K. Sharsmith 1963-3-17 5206 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  CAS-BOT-BC301048  Eriophyllum lanatum var. achilleoides Mrs. H. C. Cantelow 1934-5-30 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC301050  Eriophyllum lanatum var. achilleoides H. E. McMinn No date on label 956 Napa Unspecified Comment
  JEPS34607  Eriophyllum lanatum var. achilleoides Willis L. Jepson 1894-5-1 14565 Napa hills e of St. Helena; Napa River Basin Comment
  JEPS34729  Eriophyllum lanatum var. achilleoides W. L. Jepson 1938-5-22 18827 Napa Snell Vslley Comment
  RSA92826  Eriophyllum lanatum var. achilleoides Peter H. Raven 1952-5-31 4136 Napa Summit of hills SW of Rector Canyon 305 Comment
  UC165898  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1904-5-23 2087 Napa near Calistoga; Napa Valley 91 Comment
  UC507185  Eriophyllum lanatum var. achilleoides Lincoln Constance 1931-3-21 138 Napa rock slide on Mount St. Helena Comment
  JEPS34725  Eriophyllum latilobum W. L. Jepson 1936-5-29 17554 Napa Adam-and-Eve Ridge Howell Mt., Adam-and-Eve Ridge Comment
  JEPS106526  Erodium botrys Jake Ruygt 1979-5-19 608 Napa Giles-Mead Ranch 481 Comment
  JEPS106706  Erodium cicutarium Jake Ruygt 1992-4-2 2872 b Napa Wild Horse Valley Ranch, Johnson's meadow 451 Comment
  UCD48039  Erodium cicutarium Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 1 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd, 1st ridge south of Devilhead Rd. 518 Comment
  UCD49060  Erodium cicutarium S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 5 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  JEPS14084  Eryngium aristulatum var. aristulatum W. L. Jepson 1938-6-8 18899 Napa Snell Valley, Playa Comment
  JEPS17418  Eryngium aristulatum var. aristulatum Willis L. Jepson 1893-9-25 14269 Napa Napa City rd. to Suscol House, within ca. 2 mi. of Suscol House, Lone Tree Farm Napa River Basin, Suscol Hills, Lone Tree Farm Comment
  RSA542106  Eryngium aristulatum var. aristulatum Robert F. Hoover 1937-8-31 2700 Napa Yountville Comment
  UC21007  Eryngium articulatum Willis L. Jepson 1894-1 Napa near Napa R. St. Helena; Napa R. Basin, St. Helena Comment
  CAS-BOT-BC54303  Erysimum capitatum H. L. Mason 1926-3-14 2725 Napa Mount Saint Helena. Comment
  UCD148758  Erysimum capitatum Jake Ruygt 1985-11-16 1625 Napa Napa County; American Canyon, 0.4 miles east of Flosden Rd. 121 Comment
  UCD74392  Erysimum capitatum var. capitatum Jake Ruygt 1995-5-8 3473 Napa 1.5 miles south of boatramp on Sage Canyon Rd. Taylor's. 402 Comment
  POM339526  Erysimum capitatum var. capitatum F. R. Fosberg 1967-4-1 48420 Napa Hills just south of Lake Berryessa Comment
  SEINET14045891 Image available Erythranthe microphylla Peta C. Lewis 1967-1 21 Napa at the base of Monticello Dam on State Highway 128. Comment
  SD7071  Erythranthe moniliformis Brandegee Sept 1888 Napa Howell Mt. 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
  SEINET8359660  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa volcanic crater region of Mt. St. Helens, northern Napa County; steep northerly slope just east of the Palisades on old stage road. Comment
  SEINET5718781 Image available Eschscholzia caespitosa Kenneth H. Traver 1969-1 19 Napa 1 mile west of Monticello Dam; Monticello Dam Comment
  UCD167247  Eschscholzia caespitosa Jake Ruygt 1981-4-1 964 Napa Chimney Rock. 213 Comment
  RSA52711  Eschscholzia caespitosa subsp. caespitosa I. L. Wiggins 1949-4-30 12078 Napa 2.5 miles above Calistoga along old toll road to Middletown Comment
  CAS-BOT-BC403335  Eschscholzia californica L. R. Abrams 1928-5-4 12285 Napa 4 mi. south of Middletown Comment
  CAS-BOT-BC403336  Eschscholzia californica Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC403337  Eschscholzia californica Alice Eastwood 1922-5-4 11274 Napa Mt. St. Helena Comment
  CAS-BOT-BC403341  Eschscholzia californica Alice Eastwood 1900-5-8 s.n. Napa Calistoga Comment
  UCD96471  Eschscholzia hypecoides Shannon M. Still 2009-4-3 418 Napa California. Napa County: Along CA-128 at mile marker 29.26. 265 Comment
  UCD20022  Euphorbia crenulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1216 Napa On S side of Lake Hennessy. 1 mile west of junction of Route 128 and Pope Valley Road. Comment
  POM138120  Euphorbia crenulata Edward L. Greene 1903-4-20 2615 Napa Mt. St. Helena. Comment
  UCD167044  Euphorbia crenulata Jake Ruygt 1996-5-14 3695 Napa White Cliff Springs; Elder Valley; (Sabini property). 390 Comment
  JEPS106420  Euphorbia oblongata Jake Ruygt 1990-5-6 2533 Napa Yountville Ecological Reserve on Napa River 27 Comment
  UCD19938  Euphorbia serpillifolia E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 796 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Berryessa. 121 Comment
  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
  CAS-BOT-BC312174  Eurybia radulina Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville Comment
  UCD149044  Eurybia radulina Ellen Dean; S. P. Rae and T. Starbuck 2014-5-11 8189 Napa Arbuckle Winery property at 3454 Redwood Rd on the outskirts of Napa in the Mayacamas Mountains. 137 Comment
  CDA29771  Euthamia occidentalis M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 220 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  UC31888  Euthamia occidentalis Joseph Burtt Davy 1894-9-30 741 Napa Calistoga Valley Comment
  JEPS122946  Festuca arundinacea Jake Ruygt 1989-4-22 2288 Napa Capell Creek. Quad: Capell Valley. Comment
  JEPS84610  Festuca arundinacea John W. Willoughby 1979-5-25 4305 Napa about 1 mi s Signal Hill (just below and to the w of Blue Ridge); Vaca Mountains, Pansy Flat 609 Comment
  CAS-BOT-BC278273  Festuca californica A. G. Vestal 1963-4-7 58749 .1 Napa 3.9 miles north of St. Helena Comment
  HSC9846  Festuca californica C. B. Wolf 1928-5-3 1815 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  UCD41413  Festuca californica Mark Bibbo; Ellen Dean, Alex Lee, Burak Petin 2003-4-26 127 Napa Just east of the Bureau of Land Management land S of McLaughlin UC Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek, in forest by stream that crosses trail. 320 Comment
  HSC9857  Festuca elmeri C. B. Wolf 1928-5-3 1813 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  SD180623  Festuca idahoensis Beecher Crampton 1965-5-13 7328 Napa South end of Chiles Valley on highway 128 Comment
  UCD19321  Festuca idahoensis M. A. Bibbo; E. Dean 2001-7-6 13 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 2.6 air miles from jct. with S Decker canyon rd. E (upslope) side of the rd on a W facing slope. 228 Comment
  UCSB40902  Festuca microstachys Roos, John 1939-4-18 Napa 3.5 mi N. of Pacific Union College; Angwin; roadside below Dilly's place 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
  JEPS122955  Festuca perennis Jake Ruygt 1982-6-6 1310 Napa South of Suscol hill and west of Highway 29. Quad: Cuttings Wharf. Comment
  UCD66253  Festuca roemeri Beecher Crampton 1960-5-17 5533 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  RSA132842  Filago californica John H. Thomas 1958-4-19 7110 Napa About 2 miles SW of Oakville. 152 Comment
  UCD18109  Frangula californica subsp. tomentella K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 46 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
  JEPS129140  Frankenia salina Jake Ruygt 1991-7-19 2765 Napa South of the end of South Jefferson Street, Napa. Napa 7.5' Quad. Comment
  CHSC108738  Fraxinus dipetala B. Castro; L. P. Janeway 2002-5-12 1368 Napa Inner North Coast Ranges. CA 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. 536 Comment
  HSC46117  Fraxinus dipetala J. P. Smith, J. O. Sawyer 1970-5-17 3787 Napa 9 mi. N of Pope Valley Comment
Read comments
Jun 12 2012
  CAS-BOT-BC223530  Fraxinus latifolia Peter H. Raven 1957-5-5 10766 Napa At western edge of Calistoga 152 Comment
  JEPS44088  Fraxinus latifolia Willis L. Jepson 1903-9-6 2333 Napa St. Helena Napa River Basin Comment
  HSC38150  Fremontodendron californicum Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2347 Napa Along Morgan Valley Rd., 0.5 mi. from Lake Co. line Comment
  JEPS41070  Fremontodendron californicum Rimo Bacigalupi, & L. R. Heckard, J. R. Sweeney 1965-5-16 9107 Napa Near summit of grade on the Knoxville-Lower Lake road, in the short panhandle of extreme northeastern Napa County 640 Comment
  POM224211  Fremontodendron californicum H. L. Mason 1935-5-30 10009 Napa Four miles north of Knoxville Mines. Comment
  RSA77221  Fremontodendron californicum J. T. Howell 1939-5-7 14653 Napa Near head of Hunting Creek, northwest of Knoxville Comment
  JEPS128911  Fremontodendron californicum subsp. californicum Jake Ruygt 1998-6-29 4065 Napa Blue Ridge, about 1.5 mile north of Mays Flat. Knoxville 7.5' Quad. Comment
  SEINET5510212 Image available Fremontodendron californicum subsp. napense A. A. Heller 1941-1 16134 Napa 3 miles west of Knoxville on the road to Lower Lake Comment
  UCD149634  Fritillaria G. Ledyard Stebbins 1994-4-15 s.n. Napa Hennessey Lake. Comment
  CAS-BOT-BC130072  Fritillaria affinis E. Crum 1936-3-15 1740 Napa [Butte's] Butts Canyon, Pope Valley-Middletown Road Comment
  CAS-BOT-BC130081  Fritillaria affinis Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UCD20922  Fritillaria affinis V. (Shorty) Boucher 2002-4-11 13 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At a bend along West Road, ca. 1000 airline feet E of the locality for Dean 898 - Saxifraga californica. Coordinates are for that locality. 243 Comment
  POM169605  Fritillaria affinis C. F. Baker 1903-4-20 2618 Napa Mt. St. Helena. Comment
  JEPS89228  Fritillaria pluriflora W. Roderick 1964-3-17 Napa Butts Canyon, near Lake County Line Butts Canyon Comment
  RSA123591  Fritillaria pluriflora Milo S. Baker 1940-3-10 9499 Napa About 5 miles north of Knoxville, right beside road to Lower Lake Comment
  JEPS4951 Image available Fritillaria purdyi Mrs. Elizabeth Cyrus Wright 1919-4-21 Napa Calistoga Comment
  UC421723  Fritillaria purdyi Mrs. L. M. McArthur 1930-4-3 Napa Calistoga, summit of second range Calistoga Comment
  UC14993  Fritillaria recurva J. P. Tracy 1902-5-21 1585 Napa 3-4 mi e of Angwin's (Howell Mountain, head of Moore's Creek); Howell Mountain, Moore's Creek 335 Comment
  UCD166660  Fritillaria recurva Jake Ruygt 1979-3-16 457 Napa 1.8 miles NW of Madrona on Spring Mountan Road. 207 Comment
  UCD15985  Galium andrewsii subsp. andrewsii C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 2 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 9.2'' N; 122 deg. 21' 11.5'' W; 480 m. Comment
  UCD49243  Galium aparine A. Van Houtte; E. Leger and C. Hohn 2001-4-14 4 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, in Decker Canyon on W side of S. Decker Canyon Rd., near ruined cabins. 152 Comment
  UCD23388  Galium aparine Ann Biglieri 1977-4-16 8 Napa Near Highway 128, 6.4 miles by road SSW of Monticello Dam. 182 Comment
  UC127126  Galium bolanderi Harley P. Chandler Sep 7 1906-Sep 14 1906 7105 Napa Alta Loma Ranch Howell Mountain 487 Comment
  RSA26400  Galium bolanderi J. T. Howell 1941-6-21 16312 Napa Hills SW of St. Helena. Comment
  UC517526  Galium bolanderi John Thomas Howell 1929-8-4 4355 Napa slope 1 mi below Samuels Springs; Napa Range, Pope Creek Canyon Comment
  UCD149696  Galium californicum Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UC1196116  Galium californicum subsp. californicum Joseph P. Tracy 1933-6-2 12456 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UCSB24071  Galium mexicanum subsp. asperulum James, C. 1966-4-24 Napa Junction of State Highway 12 & 121 and Foster Road, west of Napa Comment
  UCD121828  Galium nuttallii Joseph M. DiTomaso 1976-4-10 410 Napa 4 miles west of Monticello Dam, Lake Berryessa, on Highway 128. Comment
  UCD13188  Galium nuttallii Gary Fugle 1976-4-11 7 Napa 4 mi N of junction of hwy 121 and 128, along 128. Elev. 550 ft. 167 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
  UCD159926  Galium parisiense Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q43-1. 243 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
  UCD73384  Galium porrigens 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
  UCD73850  Galium porrigens Ellen Dean; S. Rae 2008-5-21 4985 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 196 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
  JEPS6621  Galium porrigens var. tenue W. L. Jepson 1892-7-28 Napa Knoxville grade to Lower Lake Comment
  JEPS20440  Gamochaeta ustulata Willis L. Jepson 1893-4-24 14757 A Napa hills e St. Helena (to Conn Valley Road, Howell Mt. foothill); Napa River Basin, Howell Mt. Comment
  UCD168538  Gamochaeta ustulata Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UC875998  Garrya congdonii John Thomas Howell 1939-5-7 14652 Napa Lower Lake - Knoxville road; at Lake County line 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
  UCD18122  Garrya congdonii K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 59 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  JEPS66757  Garrya flavescens W. L. Jepson 1936-2-8 17400 Napa Adam and Eve Ridge; Howell Mt. Comment
  CAS-BOT-BC144378  Garrya fremontii Alice Eastwood 1922-3-26 11110 Napa Mt. St. Helena Comment
  CAS-BOT-BC144380  Garrya fremontii H. E. McMinn 1925-1-23 1363 b Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC144423  Garrya fremontii Alice Eastwood 1918-9-3 7946 Napa Mt. St. Helena Comment
  JEPS66741  Garrya fremontii W. L. Jepson 1913-4-15 5316 Napa Howell Mt. 609 Comment
  UC1618117  Garrya fremontii Donald G. Nelson 1940-8-7 703 Napa about 1 mi nw Knoxville (on road to Clear Lake) Comment
  CAS-BOT-BC159265  Garrya veatchii M. S. Jussel 1902-4-10 s.n. Napa St. Helena, 10 miles N.E. Cliff Spring Comment
  UCD149573  Gastridium phleoides 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
  UCD66609  Gastridium phleoides E. G. Cakin 1947-5-14 Napa Near Chemilele Farm Center, Monticello - Napa road. Comment
  UC187227  Gastridium ventricosum Joseph P. Tracy 1905-7-5 2212 Napa head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's, Howell Mountain); Northern Coast Ranges, head of Moore's Creek 365 Comment
  JEPS61424  Geranium dissectum H. P. Chandler 1907-4-28 7553 Napa Santa Rosa to Calistoga Comment
  UCD103351  Geranium dissectum Peter Kamb; Francia Chisaki 1950-4-22 1766 Napa Hill on west side of Capell Valley, 3.2 miles west of junction of the road with California Highway #37. 213 Comment
  UCD103392  Geranium dissectum M. R. Wanzer 1948-5-22 25 Napa Putah Canyon, 12.5 miles west of Winters. Comment
  JEPS106708  Geranium molle Jake Ruygt 1986-3-22 1666 Napa Vaca Mountains, east of Markley Cove Resort 304 Comment
  UCD103399  Geranium molle C. G. Baughn 1949-4-24 22 Napa State Highway 12, 4 miles northwest of Cordelia. Comment
  UC1795114  Geranium purpureum Barbara Ertter with Jake Ruygt 1996-4-25 14601 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley Comment
  UCD167222  Gilia achilleifolia subsp. multicaulis Jake Ruygt 2003-5-5 4513 Napa Knoxville Wildlife Area, near southwest corner. 274 Comment
  RSA119160  Gilia capitata John H. Thomas 1955-5-21 5141 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  UC1563722  Gilia capitata subsp. capitata Barbara Ertter with Annetta Carter 1989-5-28 8512 Napa on Berryessa Rd 2 mi se Lake Co. line (near Knoxville, extreme n Napa Co.); near Knoxville 609 Comment
  POM182660  Gilia tricolor D. D. Keck 1931-4-3 1103 Napa Pope Creek canyon, 7 miles NW of Monticello Comment
  UCD167225  Gilia tricolor subsp. diffusa Jake Ruygt 2010-4-24 5519 Napa East of Berryessa Knoxville Road near south end of Knoxville Wildlife Area. 280 Comment
  UC1197914  Gilia tricolor subsp. tricolor J. P. Tracy 1902-5-17 1516 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); head of Moore's Creek, Howell Mountain 365 Comment
  UCD167229  Gilia tricolor subsp. tricolor Jake Ruygt 1987-3-19 1933 Napa Milliken Canyon near east end of pipeline. 134 Comment
  UC796478  Githopsis specularioides Ira L. Wiggins 1949-4-30 12075 Napa about 1.5 mi ne Calistoga (along old toll road between Calistoga and Middletown) Comment
  CHSC102254  Glinus lotoides Lowell Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CHSC102525  Glinus lotoides Lowell Ahart 2009-10-12 16444 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.F 133 Comment
  UCD167088  Glycyrrhiza lepidota Jake Ruygt 2010-6-19 5614 Napa 200 yds west of Hunting Creek along Putah Creek. 185 Comment
  CDA5877  Gnaphalium californicum R. Lawley 1958-4-11 Napa St. Helena Highway. 0 Comment
  CHSC103022  Gnaphalium luteoalbum Lowell Ahart 2009-10-12 16421 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD121180  Gnaphalium palustre Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7359 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 405 Comment
  JEPS110681  Gratiola ebracteata Jake Ruygt 1993-4-12 3194 Napa Buchli Staion Rd. DFG property, near railroad tracks 3 Comment
  JEPS4233  Gratiola ebracteata Willis L. Jepson 1893-4-27 21317 Napa sw Napa City (Napa River Basin); , sw of Napa City 15 Comment
  CAS-BOT-BC304901  Grindelia hirsutula J. T. Howell 1932-10-8 10804 Napa Napa River Comment
  UC32146  Grindelia hirsutula Willis L. Jepson 1894-4-30 Napa Rebecca Ranch <gra??> Napa River Basin, Rebecca Ranch grade Comment
  UC608853  Guillenia flavescens Beryl O. Schreiber 1938-4-24 2500 Napa 0.25 mi nw Knoxville; Reiff Quad. 609 Comment
  JEPS54083  Guillenia lasiophylla W. L. Jepson 1894-5-2 13347 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  JEPS122925  Hainardia cylindrica Jake Ruygt 1993-5-11 3259 Napa Milton Road north of the railroad tracks. Quad: Cuttings Wharf. Comment
  CAS-BOT-BC302213  Harmonia hallii H. M. Hall 1931-5-27 13102 Napa Three miles northwest of Knoxville Comment
  UCD170160  Harmonia hallii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 778 Napa Knoxville Wildlife Area, near top of ridge above and west of Berryessa-Knoxville Road 555 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-BC302232  Harmonia nutans Alice Eastwood 1922-5-4 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC302243  Harmonia nutans David D. Keck 1931-4-4 1088 Napa The Crater Country, 3 miles SE. from summit of Mt. St. Helena. Northwestern Napa County 950 Comment
  JEPS29584  Harmonia nutans Rimo Bacigalupi, and L. Heckard 1962-4-16 8441 Napa 4.5 mi n junction of Atlas Mtn. road and Monticello road (Calif. 37) (along Atlas Peak road on grade leading up to Milliken Canyon Reservoir turn-off) 304 Comment
  JEPS98943  Harmonia nutans Bruce G. Baldwin 1987-4-26 652 Napa immed. N of dirt road leading E from Las Posadas Fire Station, less than 0.1 mi E of station Las Posadas State Forest (Howell Mountain) Comment
  UC1199158  Harmonia nutans Joseph P. Tracy 1933-4-30 12117 Napa near Angwins (Howell Mountain); Northern Coast Ranges, Howell Mountain 457 Comment
  UC1731334  Harmonia nutans Dean W. Taylor 1998-6-3 16478 Napa Cedar Canyon North Coast Ranges (basin in headwaters, between Twin Peaks and Sugarloaf Mtn., at end of road up (w from) Aetna Springs, Detert Res. 7.5' USGS quadrangle) 670 Comment
  UCD167998  Harmonia nutans James A. Neilson Jr. 1977-4-13 3865 Napa Summit Oat Hill Mine Rd., about 1/2 mile west Twin Peaks, about 1/3 mile north and a liitle west of Sugarloaf Mt. (Exact location unknown, coordinates estimated by label maker.) Comment
  CHSC102532  Helenium puberulum Lowell Ahart 2009-10-27 16479 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 souththe causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS106681  Helenium puberulum Jake Ruygt 1997-11-24 3879 Napa East of Chimney Rock, between Soda Canyon and Silverado Tr 79 Comment
  CAS-BOT-BC314723  Helianthella californica var. californica T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain Comment
  CAS-BOT-BC305536  Helianthus bolanderi Peter H. Raven 1951-10-28 3949 Napa Chiles Valley - 1-3 miles east 304 Comment
  UC1177089  Helianthus bolanderi Peter H. Raven 1951-10-28 3949 Napa 1-3 mi e Chiles Valley 304 Comment
  UC570404  Helianthus bolanderi Chas. M. Belshaw 1936-9-20 L 689 Napa 3 mi nw Knoxville; North Inner Coast Range Comment
  UCD159470  Helianthus bolanderi D. S. Park 2010-8-13 224 Napa Along Berryessa Knoxville Rd. In dried up creek bed. 234 Comment
  CAS-BOT-BC305535  Helianthus bolanderi H. M. Hall 1923-10-12 11927 Napa Northern Napa Co. 16 mi. s.e. of Lowerlake Comment
  JEPS4455  Helianthus californicus W. L. Jepson 1893-9-24 13424 Napa Angwin's Meadows Howell Mountain, Angwin's Meadows Comment
  JEPS4456  Helianthus californicus Willis L. Jepson 1893-9-24 13424 Napa Angwin's Meadows Napa River Basin, Howell Mt., Angwins's Meadows Comment
  UCD132921  Helianthus californicus Irving Grover 1965-6-16 s.n. Napa Howell Mountain area along Deer Park road near Angwin. Comment
  CHSC103019  Heliotropium curassavicum Lowell Ahart 2009-10-12 16432 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD169856  Heliotropium europaeum Lowell Ahart 2009-10-12 16433 Napa Along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  SBBG128693  Heliotropium europaeum L. Ahart 2009-10-12 16433 Napa below high water line of Lake Berryessa, along Capell Crk E of Rest Area, 3/4 mi NE of Hwy 128 on Berryessa Knoxville Rd, 3/4 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi (air) W of Winters 133 Comment
  UCD74367  Heliotropium europaeum Jake Ruygt 2005-6-7 4910 Napa Berryessa-Knoxville Rd. at Oak Shores headquarters. 176 Comment
  CAS-BOT-BC306147  Hemizonia congesta subsp. clevelandii H. M. Hall 1923-1-1 s.n. Napa Calistoga Comment
  UC197528  Hemizonia congesta subsp. lutescens H. M. Hall 1915-8-12 10095 Napa near Napa Junction Comment
  CAS-BOT-BC309832  Hemizonia congesta subsp. luzulifolia Milo S. Baker 1932-9-24 6058 Napa Two or 3 mi. S. of Napa East of Hiwy. Comment
  CAS-BOT-BC309843  Hemizonia congesta subsp. luzulifolia Joseph Andorfer Ewan 1933-9-17 7999 Napa In Napa, Napa Valley Comment
  POM298254  Hemizonia luzulifolia subsp. rudis Joseph A. Ewan 1933-9-17 7999 Napa Vacant lot in Napa, Napa Valley Comment
  POM194219  Hemizonia pungens subsp. pungens J. T. Howell 1929-10-26 4542 Napa 9 miles N of Vallejo. Comment
  UCD161309  Heracleum maximum Jake Ruygt 1979-4-9 495 Napa NE corner of Trefethen Vineyards, Dry Creek. (Coordinates estimated by label maker at UC Davis). 22 Comment
  UCD127521  Heracleum maximum Lloyd Harwood 1972-11-6 s.n. Napa Wild Horse Valley Ranch. Comment
  JEPS106732  Herniaria hirsuta subsp. cinerea Jake Ruygt 1989-6-17 2369 Napa Bear Valley 643 Comment
  UC175984  Hesperevax acaulis var. robustior Joseph P. Tracy May 15 1903-May 18 1903 1864 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  SBBG22989  Hesperocyparis sargentii J. M. Tucker 1941-9-20 405 Napa 2 mi E of jct of rd from Samuel Springs with Monticello-Pope Valley Rd Comment
  JEPS112581  Hesperolinon Jake Ruygt 1984-5-19 1558 Napa Cedar Roughs 633 Comment
Read comments
Jan 2 2011
  JEPS123298  Hesperolinon David Gowen with Dick O'Donnell 2009-6-30 1077 Napa Along trail from Devilhead Road down to Cedar Creek. Comment
  JEPS32275  Hesperolinon bicarpellatum W. L. Jepson 1938-6-8 18888 Napa slopes along the Snell Valley Road ne Pope Valley (drainage of Butts Creek) (northern Napa County) Comment
  UC1212346  Hesperolinon bicarpellatum Freed W. Hoffman 1947-6-17 1647 Napa Sage Canyon Comment
  UC1212358  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4140 Napa canyon at junction of Snell Valley road; Inner North Coast Ranges, Butts Canyon 196 Comment
  UC1212368  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-1 4117 Napa on Pope Valley-Monticello road between Walter Springs and Samuel Springs (above Pope Creek); Inner North Coast Ranges 152 Comment
  UC163930  Hesperolinon bicarpellatum Mrs. K. Brandegee 1911-6-29 113 Napa near Aetna Springs; Butts Canyon Comment
  UCD167168  Hesperolinon bicarpellatum Jake Ruygt 2015-4-20 6074 Napa Fernandes/ Land Trust, Snell Peak area. 394 Comment
  UCD167345  Hesperolinon bicarpellatum Jake Ruygt 2009-6-8 5430 Napa Snell Valley/ Missimer Wildflower Preserve. 213 Comment
  UCD167349  Hesperolinon bicarpellatum Jake Ruygt 2007-5-19 5187 Napa Las Posadas State Forest, north east of Recreation Flat. 402 Comment
  OBI57139  Hesperolinon breweri David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24510 Napa Along Aetna Springs Road on east slope of Sugarloaf Mountain Comment
  UC1212212  Hesperolinon breweri Helen K. Sharsmith 1953-6-15 4183 Napa se slope below rock spire w junction of Cappell Valley and Monticello Road (s end of valley); Inner North Coast Ranges, Cappell Valley 274 Comment
  CAS-BOT-BC176010  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4114 Napa Southern margin Chiles Valley near Chiles Valley School 304 Comment
  JEPS122801  Hesperolinon californicum Jake Ruygt 2005-6-4 4903 Napa SE end of Paradise Valley. QUAD: Jericho Valley. Comment
  JEPS122879  Hesperolinon californicum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 625 Napa Pipeline road meadow site at McLaughlin Reserve. Comment
  JEPS32283  Hesperolinon californicum Willis L. Jepson 1893-6-26 13535 Napa Howell Mt. Napa River Basin Comment
  UC1212439  Hesperolinon californicum Helen K. Sharsmith 1957-6-18 4601 Napa s slope Conn Dam (between Rutherford and Chiles Valley); Inner North Coast Ranges 121 Comment
  UC1601207  Hesperolinon californicum Helen K. Sharsmith 1951-10-21 4037 Napa w side Chiles Valley (on Rutherford-Monticello road); Inner North Coast Ranges 243 Comment
  UCD160795  Hesperolinon californicum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8675 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  CAS-BOT-BC176058  Hesperolinon clevelandii Peter H. Raven 1950-6-20 2387 Napa Howell Mtn., on NNE side road to Pope Valley Comment
  JEPS122782  Hesperolinon clevelandii Jake Ruygt 1997-5-18 3856 Napa Hogback Mountain. QUAD: Sonoma. Comment
  UC1212335  Hesperolinon clevelandii J. P. Tracy 1902-5-16 1489 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 457 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
  JEPS88634  Hesperolinon disjunctum Dean Wm. Taylor with Glenn L. Clifton 1990-5-25 10807 Napa Butts Canyon Road near junction with Snell Road (slope adjacent to small stream); North Coast Ranges 204 Comment
  OBI22869  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4147 Napa Inner North Coast Ranges. About one mi E of spur rd to Samuels Springs, S facing slope above Pope Crk, Pope Valley-Monticello rd 122 Comment
  JEPS41074  Hesperolinon disjunctum Rimo Bacigalupi and L. R. Heckard, J. R. Sweeney 1965-5-16 9103 Napa along Devilhead Road 1 mi n headwaters of Zim Zim Creek (about 3 mi sw of Knoxville) 493 Comment
  UC1212481  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4148 Napa directly e Knoxville; Inner North Coast Ranges 396 Comment
  UC1212414  Hesperolinon micranthum Helen K. Sharsmith 1957-6-18 4602 Napa Rutherford road at edge of Chiles Valley Inner North Coast Ranges, Chiles Valley 213 Comment
  UC1212278  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4642 a Napa on branch road of Hwy 128 just above Soda Creek (6.4 mi beyond junction of Hwy 37 with 128 Locality for HKS 4073); Inner North Coast Ranges, Cappell Valley 198 Comment
  UCD110545  Hesperolinon micranthum Robert E. Preston 1987-6-13 563 Napa ca. 1 mi sw of Big Basin. 292 Comment
  JEPS127884  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-26 197 Napa Along Chiles Valley Road. Comment
  JEPS112545  Hesperolinon spergulinum Jake Ruygt 1993-6-12 3283 Napa Lewelling Ranch, west of end Lewelling Lane. 185 Comment
  JEPS122849  Hesperolinon spergulinum Adam C. Schneider with Dick O'Donnell 2013-5-26 209 Napa Along Aetna Mine Road, by junction with Aenta Springs Rd. Comment
  JEPS122908  Hesperolinon spergulinum Adam C. Schneider 2015-7-23 939 Napa Along private road that runs west off of Pope Valley Rd Comment
  RSA435710  Hesperolinon spergulinum Robert Gustafson, Don Reynolds 1983-6-7 2740 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. Comment
  UC1601204  Hesperolinon spergulinum Helen K. Sharsmith 1951-10-21 4042 Napa 0.5 mi above Aetna Springs (near Aetna Mine); Inner North Coast Ranges 274 Comment
  JEPS106573  Heterocodon rariflorum Jake Ruygt 1992-6-2 3016 Napa South of Leoma Lakes, Wild Horse Valley Ranch. 429 Comment
  JEPS106575  Heterocodon rariflorum Jake Ruygt 1996-6-23 3757 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 441 Comment
  UCD112242  Heterocodon rariflorum Christopher Mallek 2008-5-12 AS2- 14 Napa Aetna Springs. 668 Comment
  UCD54386  Heterocodon rariflorum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. 390 Comment
  JEPS11808  Heterocodon rariflorum W. L. Jepson 1936-7-1 17630 Napa below Four Corners (Howell Mt); Napa Range, Howell Mt. Comment
  UCD113314  Heteromeles arbutifolia Heidi E. M. Dobson 1978-7-12 347 Napa East slope of Mt. Veeder. Comment
  JEPS20392  Heterotheca grandiflora W. L. Jepson 1937-9-29 18574 Napa at sandstone cliffs at bridge over Napa River (on road to St. Helena Sanitarium) Comment
  UC1925919  Heterotheca oregona Ethel Crum Oct 1930 913 Napa Pope Valley Road, Yountville to Pope Valley. Comment
  JEPS106626  Heterotheca oregona var. rudis Jake Ruygt 1987-10-12 2104 Napa Putah Cr. north of Berryessa Estates 143 Comment
  UCD161253  Heterotheca oregona var. rudis Jake Ruygt 2007-12-10 5261 Napa Sulphur Creek west of valley View Drive, St. Helena. (Coordinates estimated by label maker at UC Davis). 76 Comment
  SBBG2692  Heuchera micrantha H. and M. Dearing 1939-5-1 3242 Napa cyn on Hart Ranch, St Helena Comment
  UC11351  Heuchera micrantha var. erubescens Willis L. Jepson 1893-5-8 Napa Howell Mt; Napa River Basin Comment
  CAS-BOT-BC312333  Hieracium albiflorum Peter H. Raven 1950-6-20 2347 Napa Napa Range between Conn Valey and Howell Mtns. Comment
  UC1618008  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa between Napa and Wooden Valley (n. slopes of George Mt. along Sarco Creek); George Mt., Sarco Creek 152 Comment
  UC16297  Hoita macrostachya W. H. Brewer 1862-7-6 1322 Napa Rag Canyon Comment
  JEPS71230  Holcus lanatus W. L. Jepson 1936-7-2 17643 Napa Angwin Meadow Howell Mt. (Napa Range); , , Angwin Meadow 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
  UCD164825  Holocarpha virgata subsp. virgata Jake Ruygt 2012-8-25 5877 -z Napa South of Spanish Valley. 350 Comment
  UCD113346  Holodiscus discolor Beecher Crampton 1965-6-17 7424 Napa Napa county line, Vaca mountains, ridge of Mt. Vaca. 859 Comment
  CAS-BOT-BC315792  Holozonia filipes Edward Lee Greene 1883-1-1 s.n. Napa Napa Valley Comment
  JEPS106645  Holozonia filipes Jake Ruygt 1985-6-9 1803 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road 448 Comment
  UCD85462  Hordeum brachyantherum subsp. californicum J. Street 1950-6-19 s.n. Napa Pope Valley. Comment
  UCD85376  Hordeum marinum subsp. gussoneanum K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  UCD20430  Hordeum murinum E. Dean; w/ PLB 102 class 2002-5-4 1018 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of powerlines. 259 Comment
  UC650397  Hordeum murinum subsp. leporinum Ira L. Wiggins 1928-3-25 2881 Napa roadside 1 1/2 mi ne Calistoga Comment
  UCD18150  Hordeum murinum subsp. leporinum Jean Shepard; with Plant Biology 102 class 2000-4-29 204 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
  JEPS110558  Horkelia californica subsp. dissita Jake Ruygt 1982-6-29 1349 Napa .2 mile south south of Old Bale Mill on west side of HWY 29 97 Comment
  JEPS106982  Hydrocotyle sibthorpioides Doreen Smith Nov 2003 s. n. Napa lawn of Silverado Country Club, E edge Napa Valley on NE side of Napa 39 Comment
  JEPS66843  Hypericum concinnum W. L. Jepson 1936-2-8 17398 Napa Adam and Eve Ridge Howell Mt.; Napa Range, Howell Mt. Comment
  UC666677  Hypericum concinnum H. S. Reed 1938-6-11 159 Napa Napa range w. of Oakville 243 Comment
  UCD73439  Hypericum concinnum Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  OBI57142  Hypericum concinnum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24513 Napa Along Aetna Springs Road on east slope of Sugarloaf Mountain Comment
  UC187748  Hypericum formosum var. scouleri Katharine Brandegee 1910-7-1 Napa Howell Mt. Comment
  CAS-BOT-BC401205  Hypericum perforatum Peter H. Raven 1950-6-20 2380 Napa Howell Mtn. on NNE side rd to Pope Valley Comment
  CAS-BOT-BC401206  Hypericum perforatum Severin A. Baumann 1953-7-5 29 Napa Roadside of Highway 29 ca. 4 mi. S of Calistoga 45 Comment
  CAS-BOT-BC312893  Hypochaeris glabra John H. Thomas 1955-5-21 5177 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  UCD133324  Hypochaeris glabra Heidi E. M. Dobson 1978-6-20 344 Napa East slope of Mt. Veeder. 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
  UCD159530  Hypochaeris radicata D. S. Park 2011-4-11 278 Napa Off Redwood Rd. Residential district. 48 Comment
  CDA7485  Hypochaeris radicata H. Stabo 1960-7-13 4677 Napa 0 Comment
  UCD138728  Iris fernaldii R. H. Miller 1949-5-8 48 Napa beside Highway 37, about 10 miles northeast of Napa. Comment
  JEPS126070  Iris longipetala Jake Ruygt 1999-4-24 4138 Napa Sugarloaf State Park, N of Bald Mountain McCormick Ranch Area. Kenwood 7.5' Quad. Comment
  UCD118351  Iris macrosiphon Reed Crane; 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. 403 Comment
  RSA51284  Iris macrosiphon Peter H. Raven 1950-4-15 1761 Napa Wooden Valley grade above Napa 457 Comment
  CAS-BOT-BC57722  Isoetes howellii D. E. Breedlove 1974-4-27 36200 Napa along Silverado Trail just north of junction with Oak Knoll Road Comment
  JEPS116566  Isoetes orcuttii Jake Ruygt 2006-5-23 5040 Napa South of Wild Lake, downslope of road. Saint Helena 7.5' Quad. Comment
  JEPS121362  Isolepis carinata Jake Ruygt 1986-6-21 1837 Napa Fagans Marsh Comment
  UC484304  Juglans californica var. hindsii Carl B. Wolf 1930-11-3 1800 Napa above Wooden Valley; Napa Range, Munson Ranch 304 Comment
  POM212280  Juglans hindsii Carl B. Wolf 1930-11-3 1800 Napa On Munson Ranch, Napa Range above Wooden Valley. 305 Comment
  UCD20737  Juglans hindsii Ellen Dean; w/ Mark Bibbo 2002-6-17 1101 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near main entrance gate to reserve, just upslope from road to field station. E side of the road. 371 Comment
  CDA39579  Juglans hindsii T. C. Fuller, Q. L. Holdeman 1971-11-2 19939 Napa Above end of Circle Oaks Dr., just north of marker 121 NAP 18.40, Monticello Road, ca. 9 miles northeast of Napa. 0 Comment
  JEPS126037  Juncus balticus Jake Ruygt 1980-4-12 831 Napa Edgerley Island. Cuttings Wharf 7.5' Quad. Comment
  JEPS126040  Juncus dubius Jake Ruygt 1992-3-18 2974 Napa Yountville Ecological Reserve, Yountville Cross Road. Yountville 7.5' Quad. Comment
  UCD166701  Juncus dubius Jake Ruygt 2010-6-21 5618 Napa Highway 29 just south of Heitz Way, south side of road. 94 Comment
  UC1103653  Juncus kelloggii J. P. Tracy 1902-5-19 1555 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 518 Comment
  JEPS122669  Juncus occidentalis Jake Ruygt 1982-5-26 1223 Napa 0.2 mile south of Old Bale Mill on Highway 29. Quad: Calistoga. Comment
  UCD164840  Juncus oxymeris Jake Ruygt 2012-5-19 5849 Napa Spanish Valley. 219 Comment
  UCD121184  Juncus patens Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7361 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Recreation Flat. 392 Comment
  JEPS122661  Juncus phaeocephalus var. paniculatus Jake Ruygt 1978-5-27 340 Napa 7.7 miles NE of Monticello Road on Atlas Peak Road. Quad: Capell Valley. Comment
  JEPS126106  Juniperus californica Jake Ruygt 1980-3-22 814 Napa Between Snell Valley and Big Basin. Aetna Springs 7.5' Qua. Comment
  NY790364  Keckiella lemmonii R. C. F. Bacigalupi 1928-6-20 1873 Napa Howell Mountain, 10 miles west of St. Helena Comment
  UCD123773  Keckiella lemmonii H. Popenoe 1949-6-4 33 Napa 11.5 miles from Winters, on road to Monticello. Comment
  JEPS115771  Kickxia elatine Lowell Ahart 2009-10-12 16450 Napa Below the high water line of Lake Berryessa, along Capelll 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 133 Comment
  UC1178880  Kickxia elatine Herbert L. Mason 1942-9-29 12557 Napa 2 mi n Calistoga (bed of Napa River); Napa River Comment
  UC1552004  Kickxia elatine Aaron Liston and Sara Meury 1987-6-6 676 -1 Napa Bothe-Napa Valley State Park 150 Comment
  RSA14978  Kickxia elatine H. P. Bracelin 1931-12-5 575 Napa Conn Creek, east of Rutherford, Comment
  CDA10910  Koeleria macrantha G. F. Hrusa, M. Rejmanek 1993-5-15 11006 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS76081  Koeleria macrantha W. L. Jepson 1938-5-20 18808 Napa above St. Helena Sanitarium Howell Mountain (above vineyard of John Ballentine); , above St. Helena Sanitarium Comment
  SEINET6413450  Lagophylla minor R. Spellenberg 2014-5-20 14814 Napa 4.5 km W of Pope Valley Road/ Butts Canyon Road on Aetna Springs Road. 460 Comment
  UC175970  Lagophylla minor J. P. Tracy 1902-5-22 1621 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 365 Comment
  UC828868  Lagophylla minor John Thomas Howell 1939-4-30 14631 Napa Walter Springs Comment
  UCD48601  Lagophylla minor M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 8 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines. 297 Comment
  SEINET11807297  Lagophylla minor F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -335 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  SEINET3860269  Lagophylla minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just S of Walters Spring.; 0 Comment
  SEINET879048 Image available Lagophylla minor D. D. Keck 1933-1 2338 Napa Bridge over Pope Creek, just south of Walters spring. Comment
  UC89207  Lagophylla ramosissima Mrs. K. Curran 1888-8-1 Napa Howell Mountain Comment
  UCD132430  Lagophylla ramosissima Beecher Crampton 1961-9-19 5978 Napa 3 miles east of Moskowite Corner, along State Highway 128, divide between Wragg Canyon and Capell Valley. Comment
  JEPS110795  Lamium amplexicaule Jake Ruygt 1977-3-1 133 Napa .3 miles north of Oak Knoll Ave. on Big Ranch Rd. 21 Comment
  CAS-BOT-BC338270  Lasthenia californica Alice Eastwood 1915-6-5 4631 Napa Calistoga Comment
  JEPS106675  Lasthenia californica Jake Ruygt 1996-4-22 3623 Napa Lewelling Ranch, St. Helena. 88 Comment
  RSA10701  Lasthenia californica C. B. Wolf 1928-5-3 1786 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  JEPS106673  Lasthenia conjugens Jake Ruygt 1991-5-4 2635 z Napa Suscol Ridge 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
  CAS-BOT-BC355482  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 1869 Napa Napa Valley, near Calistoga 90 Comment
  JEPS10016  Lasthenia gracilis Helen-Mar Wheeler 1944-3-27 Napa roadside about 1.8 mi n south end of Conn Valley; Napa Range Comment
  UCD13298  Lathyrus aphaca Stephanie Perez 1974-4-6 s.n. Napa Napa CO. Bickford residence, Ink Grade, 5 miles north of Angwin. Elevation 3000 feet. 914 Comment
  UCD73500  Lathyrus hirsutus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD75721  Lathyrus hirsutus Jake Ruygt 1992-5-18 2982 Napa Yountville Ecological Reserve, Yountville Cross Rd. 27 Comment
  JEPS107268  Lathyrus jepsonii subsp. jepsonii Jake Ruygt 1998-5-23 3997 Napa Milton Road, Manley's Resort. 2 Comment
  UCD106405  Lathyrus sphaericus Peter H. Raven 1951-6-10 2902 Napa Above Hanlyo, Mt. St Helena. 670 Comment
  UC15358  Lathyrus torreyi Willis L. Jepson 1894-4-30 Napa near Calistoga; Napa River Basin 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
  UCD48942  Lathyrus vestitus var. vestitus S. Colby; L. Hanson, D. Bosworth, K. Sesser, G. Belley 2001-4-14 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 200 m up Cut-Off Rd. from South Decker Canyon Rd. 213 Comment
  RSA261531  Layia chrysanthemoides Gilbert Muth 1971-4-10 1393 Napa Snell Valley, W side of extreme NW arm-tip of Lake Berryessa, northern Napa County. 152 Comment
  UC1301037  Layia chrysanthemoides Helen K. Sharsmith 1963-4-20 5334 Napa off Kelly Road (4 mi s of Napa); San Francisco Bay Region 45 Comment
  UC30602  Layia chrysanthemoides Willis L. Jepson 1894-1-1 Napa Napa River Basin , Conn Valley Comment
  UC472393  Layia chrysanthemoides C. F. Sonne Apr 1887 1467 Napa near Napa Junction Comment
  CAS-BOT-BC295369  Layia septentrionalis R. C. Wenk; E. S. Wenk 2006-4-30 439 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
  UCD74387  Lepidium appelianum Jake Ruygt 1990-4-21 2499 Napa Giles Mead Ranch, Atlas Peak Rd. 429 Comment
  UCD74399  Lepidium didymum Jake Ruygt 1990-5-16 2545 Napa Marina Drive, Napa. 3 Comment
  CAS-BOT-BC89173  Lepidium draba John Thomas Howell 1926-4-3 1781 Napa Near Yountville. Comment
  JEPS106787  Lepidium latifolium Jake Ruygt 1979-6-9 681 Napa 13.4 miles N of Pope Canyon Rd. on Berry essa-Knoxville Rd. 274 Comment
  JEPS106833  Lepidium latifolium Jake Ruygt 1994-6-17 3404 Napa Fagan Slough 1 Comment
  UC1245378  Lepidium latipes Joseph P. Tracy 1950-3-23 18685 Napa Head of Moores Creek Las Posadas State Forest, Howell Mountain 335 Comment
  CAS-BOT-BC12515  Lepidium nitidum Peter H. Raven 1953-3-29 5199 Napa Near geysers, Calistoga. 106 Comment
  POM272870  Lepidium nitidum Lyman Benson 1931-2-26 2598 Napa Slopes near the hwy summit; Mt St Helena. N of Calistoga. Mayacamas Mtn Range; Napa watershed. 549 Comment
  UCD118587  Leptosiphon androsaceus G. F. Hrusa; R. Cole, D. Anderson 1995-3-26 12025 Napa University of California Quail Ridge Reserve, open grasslands at entrance gate. 290 Comment
  POM182717  Leptosiphon androsaceus D. D. Keck 1931-4-3 1070 Napa Pope creek canyon, near Walter Springs Comment
  RSA107020  Leptosiphon androsaceus R. C. Barneby 1954-4-30 11233 Napa Conn Valley. near the slipway. 300 [ft? m?] Comment
  UCD49214  Leptosiphon bicolor E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 5 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. ca. 0.45 miles (2,400 ft.) as the crow flies NW from the jct of West Rd. and South Decker Canyon Rd. 249 Comment
  POM254176  Leptosiphon ciliatus M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC226694  Leptosiphon jepsonii John Thomas Howell 1926-3-21 1735 Napa Mt. St. Helena, 2 miles below Patten's 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
  UCD18033  Leptosiphon parviflorus Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 582 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. West-facing slope up by air quality station. 548 Comment
  UCD20820  Leptosiphon parviflorus N. Nicola 2001-3-29 036 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve. Lat/long is estimate. Comment
  CAS-BOT-BC324163  Lessingia hololeuca Edward Lee Greene 1881-10-1 s.n. Napa Napa Valley Comment
  CAS-BOT-BC324169  Lessingia hololeuca John Thomas Howell 1926-10-3 2210 Napa 2 miles north of Calistoga, Napa Valley Comment
  CAS-BOT-BC341993  Lessingia ramulosa R. F. Hoover 1938-6-8 3540 Napa Canyon of south fork of Butts Creek Comment
  JEPS106628  Lessingia ramulosa Jake Ruygt 1979-6-9 690 Napa 21.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 487 Comment
  JEPS20587  Lessingia ramulosa W. L. Jepson 1916-8-6 6829 Napa Howell Mt. Comment
  RSA14531  Lessingia ramulosa Daniel Cleveland 1882-8-23 s.n. Napa Aetna Springs Comment
  UC570411  Lessingia ramulosa Chas. M. Belshaw and A. L. Mason 1936-9-20 2688 Napa 3 mi nw Knoxville; North Inner Coast Range Comment
  UC761925  Lessingia ramulosa R. F. Hoover 1938-6-8 3540 Napa canyon of s fork Butts Creek; Canyon of s fork of Butts Creek Comment
  JEPS29587  Lewisia rediviva Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8444 Napa 5 mi n along Atlas Peak road Vichy Springs junction (with Calif. 37) (1/4 mi n of junction with side road leading to Milliken Reservoir) 355 Comment
  CAS-BOT-BC451586  Lilaea scilloides Peter H. Raven 1951-6-24 3027 Napa Brown's Valley to Napa-Sonoma Rd. 91 Comment
  JEPS122716  Lilium pardalinum Jake Ruygt 1984-6-23 1569 Napa St. Helena Creek near Livermore Road. Quad: Detert Reservoir. Comment
  JEPS113969  Lilium rubescens Jake Ruygt 1990-6-23 2596 Napa White Creek, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  SEINET9312801  Limnanthes Unknown 1967-4-1 48407 Napa Napa Comment
  HSC45342  Limnanthes douglasii R. York 1978-4-8 117 Napa Pope Valley, Lake Springs Ranch 305 Comment
  JEPS17375  Limnanthes douglasii Rimo Bacigalupi with John Dawson 1955-4-25 4842 Napa 2 1/2 mi s Imola (along CA Hwy 29) Comment
  JEPS112543  Limnanthes douglasii subsp. douglasii Jake Ruygt 1996-3-30 3547 Napa Napa Valley Horseman's Association, Foster Road, Napa 6 Comment
  UC971839  Limnanthes douglasii subsp. nivea Stanley G. Smith 1948-4-25 498 Napa on Hwy 29 n Yountville Comment
  UCD116512  Limnanthes douglasii subsp. nivea Everett H. Everson 1951-4-8 17 Napa 3.2 miles southwest of Monticello. Comment
  CDA13214  Limnanthes floccosa subsp. floccosa G. F. Hrusa, J. M. Tucker, G. L. Webster, M. Rejmanek 1996-5-4 12915 Napa North Coast Biodiversity Arena; in of Palisades in Cub Valley. MonteSol Ranch. Comment
  UCD167292  Limnanthes floccosa subsp. floccosa Jake Ruygt 2005-4-17 4772 Napa Cub Valley' south of Bear Valley. 664 Comment
  JEPS110643  Limosella acaulis Jake Ruygt 1979-4-12 505 Napa .2 miles west of Soscol Ave on Imola Ave 4 Comment
  UC1277987  Linanthus acicularis B. Crampton 1957-6-4 4093 Napa n end Capell Valley (above Capell Creek); , Capell Creek Comment
  SEINET11262762  Linanthus acicularis Peter H. Raven 1951-4-8 2766 Napa Yountville to Rutherford.; 0 76 Comment
  CDA11319  Linanthus androsaceus G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12025 Napa UC Quail Ridge Reserve; at entrance gate off Hwy 128 Comment
  JEPS110967  Linanthus androsaceus Jake Ruygt 1983-5-8 1457 Napa Skyline Park 152 Comment
  SEINET7072777  Linanthus androsaceus A. G. Vestal 1963-5-13 s.n. Napa Conn Valley Road, Conn Valley. UTM Zone 10, 551383mE, 4262262mN. Coordinate datum: NAD 27. Comment
  UC133860  Linanthus androsaceus Brannan 1870-1 Napa Comment
  RSA0062956  Linanthus androsaceus Reino Alava 1957-5-30 992 Napa Near the end of State Highway no. 37, in the southern end of Capell Valley. Comment
  UC23780  Linanthus jepsonii Willis L. Jepson 1893-5-2 Napa Calistoga Napa River Basin Comment
  JEPS95210 Image available Linanthus jepsonii C. Goodwillie 1995-5-11 1 Napa 1.3 KM W of Hardin Rd.; Wantrup Wildlife Sanctuary 265 Comment
  UC1763996  Linanthus latisectus Douglas W. Schemske 1993-4-25 1 I Napa on Aetna Springs Road, 2.9 mi W of intersetion with Butts Canyon Road Comment
  JEPS110970  Linanthus parviflorus Jake Ruygt 1996-4-6 3556 Napa near ridgetop, south of Rector Dam. 146 Comment
  UC146063  Linanthus parviflorus H. P. Chandler 1907-4-25 7538 Napa Chiles Valley road Comment
  UC908780  Linanthus parviflorus Herbert L. Mason 1933-4-30 7221 Napa n of Aetna Springs (near Napa-Lake County line) Comment
  CDA40092  Linanthus parviflorus T. C. Fuller 1958-5-1 3720 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  UC402909  Linanthus parviflorus Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George Comment
  UCD102707  Lithophragma affine L. P. Thibault 1995-5-21 47 Napa Napa County, South side of Hwy 128 about 3 mi. west of Wragg Canyon Rd. 250 Comment
  UCD102700  Lithophragma affine David Lawfer 1952-3-29 139 Napa Napa. Comment
  CDA12071  Lithophragma heterophyllum G. F. Hrusa, J. Messina 1989-3-3 5876 Napa North Coast Biodiversity Arena; Hwy. 128 W of Monticello Dam (Lake Berryessa). Comment
  UCD73395  Lithophragma heterophyllum 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
  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
  CAS-BOT-BC60179  Lobularia maritima Peter H. Raven 1951-5-6 2831 Napa Saint Helena. 91 Comment
  UCD159923  Logfia filaginoides Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon.E section. 243 Comment
  UCD18102  Logfia filaginoides Ellen Dean; with PLB 102 class 2000-4-29 758 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
  UCSC009036  Logfia filaginoides Dylan M. Neubauer 2015-4-26 138 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction with Snell Valley Road 200 Comment
  UCD159934  Logfia gallica Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Below southwest side, Q59. 243 Comment
  SEINET10592043  Lolium temulentum A. S. Hitchcock 1902-4-15 Hitchcock 5365 Napa Near Napa. Comment
  SEINET13944733 Image available Lomatium Joseph Andorfer Ewan 1934-1 8836 Napa Local on bank alone creek bed. Steel Canyon 8 m. s. of Monticello. Comment
  RSA10651  Lomatium californicum C. B. Wolf 1928-5-3 1838 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  UCSB4595  Lomatium californicum Keator, Glenn 1959-3-28 Napa About 1 1/2 miles below Conn's picnic Area, Napa range 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
  UC1301124  Lomatium dasycarpum subsp. dasycarpum Helen K. Sharsmith 1963-3-17 5228 Napa s. side Mt. Atlas; San Francisco Bay Region, Mt. Atlas 609 Comment
  UC1563666  Lomatium hooveri Barbara Ertter with Annetta Carter 1989-5-28 8507 Napa near Knoxville (2 mi. s.e. of Lake Co. line on Berryessa Rd., hills s. of rd.); extreme n. Napa Co. 609 Comment
  UC1563884  Lomatium hooveri Barbara Ertter with Annetta Carter 1989-5-28 8507 Napa Near Knoxville (2 mi. s.e. of Lake Co. line on Berryessa Rd., hills s. of rd.); extreme n. Napa Co. 609 Comment
  UCD18069  Lomatium hooveri Ellen Dean; with Plant Biology 102 class 2000-4-22 624 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
  JEPS13744  Lomatium marginatum var. purpureum Frank W. Gould 1939-4-6 613 Napa one mi N of Knoxville Comment
  JEPS81067  Lomatium marginatum var. purpureum Joseph M. DiTomaso 1980-6-13 1584 Napa Hwy 128, 5 mi NW of jct with Hwy 121 Comment
  CAS-BOT-BC217814  Lomatium repostum John Thomas Howell 1930-7-13 5358 Napa Edge of Crater Country Comment
  JEPS104552  Lomatium repostum Jake Ruygt 1989-5-13 2324 Napa Vaca Mtns. about 1 mile north of Mt.Vaca 798 Comment
  UCD127434  Lomatium utriculatum G. F. Hrusa 1995-3-26 12027 Napa Univ. of Calif. - Quail Ridge Reserve. 290 Comment
  UCD148803  Lomatium utriculatum Ellen Dean; Diana Hickson 2014-4-29 8110 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 592 Comment
  UCD149637  Lomatium utriculatum Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  JEPS78641  Lomatium utriculatum John W. Willoughby 1975-5-23 784 Napa along State Hwy. 128 w. Monticello Dam (Vaca Mts.); Vaca Mts. 170 Comment
  JEPS84632  Lomatium utriculatum John W. Willoughby 1977-4-20 2158 Napa w. side of range in shallow draw just below ridge Vaca Mts. 731 Comment
  UC2043152  Lomatium utriculatum Barbara Ertter with Jake Ruygt and John Game 1995-4-9 13979 Napa The Palisades Area of Mt. St. Helena NNE of Calistoga, E of Highway 29. Comment
  JEPS17558  Lomatium vaginatum W. L. Jepson 1893-5-2 14311 Napa Pope Valley grade from Calistoga; Napa Range, Napa River Basin Comment
  RSA17889  Lomatium vaginatum C. B. Wolf 1928-2-25 1482 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  JEPS106725  Lonicera hispidula var. vacillans Jake Ruygt 1998-7-18 4092 Napa Bear Valley 640 Comment
  HSC43972  Lonicera interrupta Robert M. Specht 1977-5-14 898 Napa N side of Morgan Valley Rd. along drainage on E facing slope. 482 Comment
  CAS-BOT-BC198589  Lotus John H. Thomas 1955-5-21 5176 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  UCR43198  Lotus humistratus L. F. LaPre 1986-5-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon', a tributary to Hunting Creek from the east, 2 mi SW of the site of Knoxville, just east of Lake Co. line 366 Comment
  UC1300905  Lotus micranthus Helen K. Sharsmith 1963-3-17 5215 Napa s side Mt. Atlas; San Francisco Bay Region 609 Comment
  JEPS19449  Lotus micranthus A. M. Ottley 1921-5-6 1337 Napa between Santa Rosa and Calistoga; Hoods Peak Range Comment
  JEPS65171  Lotus micranthus W. L. Jepson 1938-5-25 18855 Napa outside Bell Canyon Howell Mountain 579 Comment
  UC1236514  Lotus scoparius John H. Thomas 1955-5-21 5109 Napa about 6 mi from Napa (near State Highway 37, Sarco Creek drainage); Sarco Creek 243 Comment
  JEPS55897  Lotus scoparius Willis L. Jepson 1893-6-26 13805 Napa grade to Howell Mt. Napa River Basin Comment
  JEPS64887  Lotus scoparius W. L. Jepson 1934-10-19 16902 Napa St. Helena Comment
  UC1051753  Lotus scoparius Helen K. Sharsmith 1953-6-15 4186 Napa just w junction of Cappell Valley and Monticello roads (se slope of Cappell Valley); Inner North Coast Ranges, Cappell Valley 274 Comment
  JEPS107202  Lotus strigosus Jake Ruygt 1997-5-18 3857 Napa Bismark Knob 615 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
  JEPS85667  Lupinus John Thomas Howell 1926-3-20 1701 Napa s side Mt. St. Helena; , s side 457 Comment
  CDA950  Lupinus albifrons D. G. Kelch 2002-4-1 2 .009 Napa Mt. Veeder Rd. Comment
  RSA26103  Lupinus albifrons var. albifrons H. C. Cantelow 1936-3-21 s.n. Napa Howell Mt. Comment
  JEPS107238  Lupinus albifrons var. collinus Jake Ruygt 1998-3-29 3901 Napa Suscol Ridge overlooking Jameson Canyon 140 Comment
  JEPS107236  Lupinus bicolor Jake Ruygt 1996-4-6 3557 Napa near southeast end of Rector Reservoir. 134 Comment
  UC75245  Lupinus bicolor C. F. Baker Apr 1903 1988 Napa Calistoga Comment
  UCD47994  Lupinus bicolor Michele Disney; J. Westbrook,S. Ratay,,R. Wolfson,A. Houser,S. Wathen 2000-4-22 17 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCSB3276  Lupinus bicolor Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Capell Valley; 3.2 miles west of junction of the road with California Highway #37 213 Comment
  UC127048  Lupinus formosus Willis L. Jepson 1893-9-24 Napa Angwin's Meadows, Howell Mt. Napa River Basin Comment
  UC196167  Lupinus formosus C. F. Sonne April 1888 Napa field near Napa Junction Comment
  JEPS65223  Lupinus formosus var. formosus Willis L. Jepson 1893-9-24 69 t Napa Angwin's Meadows Howell Mt. (Howell Mt.); Napa River Basin, , Angwin's Meadows 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
  JEPS107217  Lupinus microcarpus var. densiflorus Jake Ruygt 1989-5-24 2348 Napa Fagan Creek at South Kelly Rd. 21 Comment
  OBI48333  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jctn Hwy 29 in Rutherford, 3.6 mi W jct Lower Chiles Valley Rd Comment
  UC1601852  Lupinus microcarpus var. densiflorus Willis L. Jepson 1894-5-1 Napa Conn Valley; Napa River Basin, Conn Valley 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
  SD243357  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 miles E junction CA 121, 2.9 miles W Monticello Dam, Lake Berryessa. 289 Comment
  UC577241  Lupinus microcarpus var. densiflorus John Thomas Howell 1935-5-12 12625 Napa along Pope Creek near its confluence with Putah Creek; Pope Creek near its confluence with Putah Creek Comment
  UCD108640  Lupinus microcarpus var. densiflorus J. K. Clark 1966-5-11 26 Napa 8 miles south of Knoxville on Knoxville-Berryessa road. Comment
  UCD108695  Lupinus microcarpus var. densiflorus Alan P. Godlewski 1974-5-3 s.n. Napa 5 miles West of Winters, approx. 100 yds from hiway 128. Comment
  JEPS65381  Lupinus nanus W. L. Jepson 1937-4-10 18003 Napa Howell Mt.; Howell Mt., Adam-and-Eve Ridge Comment
  UCD70476  Lupinus nanus P. J. Plummer 1995-5-27 s.n. Napa W of city of Winters, off hwy 128. 335 Comment
  POM66227  Lupinus nanus subsp. nanus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC202221  Lupinus sericatus Charles Piper Smith 1948-6-3 48311 Napa Highway 29 - Stevenson Place, 0.4 miles north Comment
  JEPS107242  Lupinus sericatus Jake Ruygt 1997-4-26 3835 Napa between Bismark Knob and Mt. Veeder (school site) 560 Comment
  UCD109596  Lupinus succulentus J. C. Downey 1955-4-23 s.n. Napa In canyon bottom; 4 miles east of Rutherford. Comment
  SEINET7072776  Luzula comosa A. G. Vestal 1963-5-12 s.n. Napa High point on Spring Mountain Road above Saint Helena. Coordinate datum: WGS84/NAD83. (38? deg. 31' 15" North Latitude, -122? deg. 32' 3" West Longitude, UTM Zone 10, 540614mE, 4263487mN. Coordinate datum: NAD 27.) 549 Comment
  UCD95924  Luzula comosa Ellen Dean; with Clare Loughran 2011-5-20 7057 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  JEPS126044  Luzula comosa var. comosa Jake Ruygt 1992-3-18 2855 Napa Next to south lake, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  CAS-BOT-BC441336  Luzula subsessilis M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  JEPS112656  Lythrum tribracteatum Jake Ruygt 1983-8-19 1497 Napa Marina Dr., Napa 4 Comment
  UC527943  Madia anomala R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6671 Napa 6 mi ne of Pacific Union College; Howell Mt., Aetna Springs Comment
  UC796470  Madia anomala Ira L. Wiggins 1949-4-30 12072 Napa about 1.5 mi ne Calistoga (along old toll road between Calistoga and Middletown) Comment
  UC33196  Madia capitata Willis L. Jepson 1893-1 Napa near Napa City; Napa River Basin Comment
  JEPS122704  Madia citriodora Jake Ruygt 1998-5-2 3949 Napa Landucci Ranch, Pope Canyon. Quad: Walter Springs. Comment
  CAS-BOT-BC343830  Madia elegans David D. Keck 1933-11-10 2714 Napa Calistoga Comment
  JEPS106545  Madia elegans Jake Ruygt 1979-7-28 782 Napa corner of Adams St. and HWY 29,Yountvill 36 Comment
  UCD73449  Madia elegans Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  UC523529  Madia elegans David D. Keck 1933-11-10 2714 Napa weed field by High School; Calistoga Comment
  JEPS129025  Madia elegans subsp. densifolia Jake Ruygt 2016-7-23 6292 Napa Smittle Creek, west side of Lake Berryessa. Chiles VAlley 7.5' Quad. Comment
  CDA31290  Madia exigua D. G. Kelch 2010-5-6 10 .181 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD18057  Madia exigua Ellen Dean; with Plant Biology 102 class 2000-4-22 611 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
  UCD161280  Madia gracilis Jake Ruygt 2000-5-10 4245 -b Napa north Pope Valley, 0.4 miles from Pope Creek. (Coordinates estimated by label maker at UC Davis). 207 Comment
  UCD48577  Madia gracilis Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 237 Comment
  UCD63149  Madia gracilis Jake Ruygt 2003-4-14 4498 Napa Lower hills of Blue Ridge east of Zim-Zim Creek. 365 Comment
  CAS-BOT-BC343204  Madia gracilis H. M. Hall 1931-5-26 13085 Napa Napa Range, west base (5.3 miles from Napa; road to Wooden Valley) Comment
  UCD135663  Madia gracilis Bruce G. Baldwin 1986-4-28 601 Napa 3.3 miles west of junction with Lower Chilies Valley Road along California State Highway 128. Comment
  CAS-BOT-BC8139  Madia hallii Harvey Monroe Hall 1931-5-27 13094 Napa Near Knoxville, NE Napa County. Comment
  RSA10680  Madia madioides C. B. Wolf 1928-5-3 1807 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  CLARK-A1528-2006  Madia nutans John C. Roos 1939-4-16 258 Napa Angwin Comment
  POM362234  Madia nutans J. T. Howell 1931-4-2 6075 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  SBBG92575  Madia nutans B. G. Baldwin 1987-4-26 652 Napa Las Posadas St Forest (Howell Mtn) immediately N of dirt Rd leading E of Las Posadas Fire Stn, less than 0.1 mi E of Stn Comment
  CAS-BOT-BC345057  Madia sativa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  JEPS40385  Madia sativa W. L. Jepson 1936-6-1 17598 Napa Howell Mt. Napa Range Comment
  UCD166657  Maianthemum stellatum Jake Ruygt 1999-4-24 4132 Napa Partrick Road. 85 Comment
  JEPS36779  Malacothrix floccifera Willis L. Jepson 1894-5-1 Napa red ridge opposite mouth of Conn Valley; Napa River Basin Comment
  CAS-BOT-BC347514  Malacothrix floccifera John Thomas Howell 1931-4-19 6461 Napa Conn Valley, Napa Range Comment
  UC194452  Malacothrix floccifera C. F. Sonne 1897-4-1 Napa Sulphur Springs St. Helena Comment
  JEPS122718  Malva nicaeensis Jake Ruygt 1977-5-10 220 Napa Southwest corner of Suscol Avenue and Trancas Street. Quad: Napa Comment
  JEPS106388  Marah fabacea Jake Ruygt 1986-3-22 1667 Napa Vaca Mountains east of Markley Cove 316 Comment
  UCD73411  Marah fabacea 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
  UCD81822  Marah fabacea Ellen Dean 2009-4-24 5449 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UCR242400  Marah watsonii Ellen Dean, Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 606 Napa North Coast Range, McLaughlin Reserve, c. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along the old road that climbs up ridge on east side 537 Comment
  UCD13202  Matricaria discoidea Charles Martin 1986-4-20 3 Napa 3 mi W of Monticello Dam, along hwy 128. 304 Comment
  SEINET8891122 Image available Matricaria discoidea Alex Lasseigne 2003-1 13730 Napa Vicinity of Oakfield grocery store.; Oakville Comment
  JEPS126123  Medicago praecox Jake Ruygt 2010-4-24 5518 Napa Pope Canyon Road, just west o road summit. Walter Springs 7.5' Qua. Comment
  JEPS122953  Melica californica Jake Ruygt 1995-4-17 3429 Napa End of Niebaum Road, Bear Canyon. Quad: Rutherford. Comment
  SACT001486  Melica californica John Willoughby 1975-5-25 Napa collected along BLM road which intersects Morgan Valley Road North of Knoxville and heads southwest to Cedar Valley Comment
  SACT001488  Melica californica John Willoughby 1977-4-20 Napa Below and just to the south of Mount Vaca. Rocky areas in chaparral. 609.6 Comment
  UCD170674  Melica californica Matthew Conner; Plant Science 102 class 2018-4-28 10 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD87008  Melica californica K. Esau 1938-5-1 s.n. Napa Napa County. Napa Valley. Comment
  UCR212329  Melica californica 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
  JEPS122914  Melica geyeri Jake Ruygt 2005-3-19 4700 Napa Lower Ritchey Creek. Quad: Calistoga. Comment
  POM263002  Melica geyeri J. C. Roos 1939-5-12 317 Napa Angwin, Howell Mtn., Napa Range. Comment
  UCD81834  Melica geyeri Ellen Dean 2009-4-24 5464 Napa Property at 600 Petrified Forest Road. 170 Comment
  JEPS122948  Melica harfordii Jake Ruygt 1988-5-1 2169 Napa Cleary Reserve. Quad: Aetna Springs. Comment
  HSC10357  Melica imperfecta J. V. Lenz 1947-4-19 Napa Chiles Valley Comment
  SBBG115838  Melica torreyana B. Crampton 1958-4-29 4756 Napa Capell Crks, N end of Capell Valley Comment
  UCD112236  Melica torreyana Christopher Mallek 2008-5-12 AS2- 16 Napa Aetna Springs. 668 Comment
  UCD89194  Melica torreyana J. Street 1950-4-25 s.n. Napa 4 mi. E of Rutherford. Comment
  CHSC102250  Mentha X piperita Lowell Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 134 Comment
  JEPS115749  Mentha X piperita Lowell Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters 134 Comment
  JEPS112575  Mentha pulegium Jake Ruygt 1969-12-31 420 Napa Napa River north of Trancas St. 4 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
  JEPS42846  Mentzelia laevicaulis var. laevicaulis W. L. Jepson 1922-10-22 9830 Napa St. Helena, White Sulphur Creek Comment
  UCD170200  Micranthes californica Daniel Potter 2015-3-14 757 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 241 Comment
  UCD19940  Micranthes californica E. A. Dean; Virginia Boucher 2002-2-28 898 Napa Quail Ridge Reserve. Along West Rd., 1.1 airline miles north of junction of West Rd. and Decker Canyon Trail. 274 Comment
  UCD82607  Micropus amphibolus Ellen Dean; T. Starbuck 2009-5-4 5545 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 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
  UCD121166  Micropus californicus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7352 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Recreation Flat area. Valley. 392 Comment
  CAS-BOT-BC348540  Micropus californicus var. californicus H. L. Mason 1934-4-30 8103 Napa West side of Wooden Valley grade, near summit Comment
  UC468874  Micropus californicus var. californicus H. P. Chandler 1907-5-19 7584 Napa White Sulphur Spring St. Helena Comment
  CAS-BOT-BC348971  Microseris douglasii subsp. douglasii Peter H. Raven 1950-5-6 2027 Napa Near Old Faithful Geyser midway between Rts. 28 and 29 just N. of Calistoga 182 Comment
  POM203302  Microseris douglasii subsp. douglasii J. T. Howell 1931-4-3 6112 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  CAS-BOT-BC349101  Microseris douglasii subsp. tenella Marcus E. Jones 1924-4-24 s.n. Napa Napa Comment
  JEPS106892  Microseris douglasii subsp. tenella Jake Ruygt 1981-4-18 976 Napa Harris Canyon 170 Comment
  UC84379  Microseris laciniata subsp. laciniata Alice Eastwood 1900-5-6 Napa near Calistoga Comment
  JEPS110573  Mimulus angustatus Jake Ruygt 1990-5-5 2527 Napa south of Leoma Lakes; Wild Horse Valley Ranch 429 Comment
  UCD14919  Mimulus aurantiacus Robert Giorgis 1977-4-17 11 Napa California, Napa Co.; 20 meters northwest of Highway 128, 1 mi. west of Monticello Dam; Comment
  RSA60354  Mimulus aurantiacus var. aurantiacus G. R. Campbell 1948-6-18 657 Napa 10 miles south of Montecello Comment
  UCD122427  Mimulus bolanderi S. E. Schoenig 1998-6-3 98- 20 Napa Research Hill, 0.1 mi. SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd., 1 mi. NW of Homestake mine. 655 Comment
Read comments
Apr 20 2017
  JEPS110748  Mimulus cardinalis Jake Ruygt 1979-6-28 723 Napa Milliken Canyon, south wall 121 Comment
  RSA755362  Mimulus cardinalis L. Ahart 2009-10-12 16451 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  JEPS128874  Mimulus douglasii Jake Ruygt 1999-5-15 4157 b Napa North side of Ritchey Canyon, near Bothe State Park. Calistoga 7.5' Quad. Comment
  UCD21541  Mimulus douglasii B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 7 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of ) intersection with Knoxville-Berryessa Road. 487 Comment
  JEPS10573  Mimulus douglasii Willis L. Jepson 1893-3-13 60 m Napa hills e St. Helena; Napa River Basin, Howell Mt. foothills Comment
  JEPS11030  Mimulus guttatus W. L. Jepson 1897-5-2 30 m Napa sw Calistoga (Rebecca Ranch grade); Upper Napa Valley Comment
  POM5067  Mimulus guttatus C. F. Baker 1903-4-19 1980 Napa Calistoga. Comment
  RSA309180  Mimulus guttatus W. L. Jepson 1893-5-1 13 Napa Calistoga. Comment
  RSA80138  Mimulus guttatus Lincoln Constance 1938-3-27 2040 Napa Above Wooden Valley, 8 mi. NE of Napa, E. slope of Howell Mountains, North Coast Ranges. 457 Comment
  SEINET7041068  Mimulus guttatus Christopher T. Ivey 2002-4-23 359 Napa East side of Chiles-Pope Valley Road, 4.2 miles south of Pope Canyon Road. Comment
  POM182672  Mimulus kelloggii D. D. Keck 1931-4-4 1089 Napa The Crater Country, 3.5 miles SE from summit of Mt. St. Helena, northern Napa Co. Comment
  RSA195352  Mimulus kelloggii Gilbert Muth 1967-5-17 686 Napa Summit of Oat Hill Road. 671 Comment
  JEPS100846  Mimulus layneae Dean Wm. Taylor with Mey Akasah 1999-6-4 17224 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  UCD160648  Mimulus layneae Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8734 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  JEPS110581  Mimulus microphyllus Jake Ruygt 1979-4-21 538 Napa Milliken Canyon 121 Comment
  JEPS11439  Mimulus microphyllus W. L. Jepson 1921-5-6 9171 Napa Calistoga 109 Comment
  JEPS18289  Mimulus microphyllus Peter H. Raven 1957-5-5 10754 Napa near Airport; Calistoga 91 Comment
  UC103794  Mimulus microphyllus C. F. Baker 1903-4-19 1980 Napa Calistoga Comment
  UC1301190  Mimulus microphyllus Helen K. Sharsmith 1963-3-17 5216 Napa s side Mt. Atlas; San Francisco Bay Region 609 Comment
  UC26985  Mimulus microphyllus W. L. Jepson 1893-4-26 Napa near La Lomita; Napa River Basin; Napa River Basin, near La Lomita Comment
  UC26989  Mimulus microphyllus W. L. Jepson 1893-4-26 Napa near La Lomita; Napa River Basin; Napa River Basin, near La Lomita Comment
  UCD160788  Mimulus microphyllus Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8668 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  JEPS110598  Mimulus nudatus Jake Ruygt 1991-5-25 2693 a Napa Paradise Valley 280 Comment
  UC1731235  Mimulus nudatus Dean W. Taylor 1998-6-18 16674 Napa small side canyon 0.5 mi n of mouth into Pope Valley Butts Canyon; NCoRI 289 Comment
  UCD122791  Mimulus nudatus S. E. Schoenig 1998-6-3 98- 19 Napa 200 m W of Knoxville-Beryyessa Rd., 2 mi. S of Homestake mine. 426 Comment
  UCD96581  Mimulus nudatus Dena Grossenbacher; Brian Green 2008-5-29 851 Napa Along Devil's Head Road, 2 miles south of Berryessa - Knoxville Road junction. 502 Comment
  JEPS110596  Mimulus pilosus Jake Ruygt 1992-6-11 3026 Napa south of Mitten lake, Wild Horse Valley Ranch 438 Comment
  RSA434681  Mimulus pilosus E. S. Spalding 1929-7-4 s.n. Napa Near St. Helena. Comment
  SEINET5725995 Image available Minuartia californica Stephen Randall 1974-1 3 Napa 1 air mile southeast of Pope Valley, just west of Chiles-Pope Valley Road.; Pope Valley 207 Comment
  JEPS106746  Minuartia douglasii Jake Ruygt 1979-5-24 631 Napa 1 mile east of Silverado Trail on HWY 128 67 Comment
  JEPS51499  Minuartia douglasii W. L. Jepson 1938-5-22 18824 Napa Snell Valley Comment
  UCD166664  Monardella douglasii Jake Ruygt 1990-5-26 2565 Napa American Canyon on old Avila Ranch. 67 Comment
  CAS-BOT-BC220617  Monardella villosa Peter H. Raven 1952-5-31 4134 Napa Summit of hills s.w. of Rector Canon [Canyon] 304 Comment
  UCD166667  Monardella villosa subsp. villosa Jake Ruygt 2007-6-2 5220 Napa Duff Ranch, road above Simmons Canyon. 573 Comment
  CAS-BOT-BC220698  Monardella viridis John Thomas Howell 1941-6-21 16319 Napa Hills sw. of St. Helena Comment
  UC419738  Monardella viridis Mrs. H. P. Bracelin 1930-7-13 28 Napa s slope Mt. St. Helena Comment
  UCD82594  Monardella viridis Ellen Dean; T. Starbuck 2009-5-4 5533 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  CAS-BOT-BC444850  Montia fontana G. DeNevers 1982-3-21 1940 B Napa Napa Range Mt. Along Atlas Peak Road Comment
  CAS-BOT-BC515124  Muilla maritima Peter H. Raven 1957-5-5 10743 Napa Near the hot springs, Calistoga 91 Comment
  POM182667  Muilla maritima David D. Keck 1931-4-4 1096 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  JEPS75637  Nassella cernua W. L. Jepson 1936-5-28 17544 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UC1019315  Nassella cernua Peter H. Raven and G. L. Stebbins Jr. 1953-4-19 5332 Napa creek e Samuels Springs; Pope Creek 91 Comment
  UCD33378  Nassella lepida Beecher Crampton 1967-6-20 8131 Napa Napa County, Vacca Mtns., Markley Canyon summit, Hwy. 128. Comment
  CAS-BOT-BC260177  Nassella pulchra John Thomas Howell 1931-4-2 6087 Napa Summit of Wooden Valley Grade 8 miles E of Napa Comment
  CAS-BOT-BC260183  Nassella pulchra David D. Keck 1931-4-2 1004 Napa Foot of Wooden Valley grade, 4 miles NE of Napa 50 Comment
  SEINET7073049  Nassella pulchra A. G. Vestal 1963-4-7 s.n. Napa Low flat about 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD27. Comment
  UC1011036  Nassella pulchra Milo S. Baker 1936-4-8 8171 Napa on Monticello Hwy 5 mi from Napa Comment
  UCD48420  Nassella pulchra M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 14 Napa Quail Ridge UC Reserve, northern tip of peninsula just north of power lines in open grassy saddle. 274 Comment
  CAS-BOT-BC230262  Navarretia cotulifolia Peter H. Raven 1952-5-26 4054 Napa 3 miles E of Pope Valley P. O. on Monticello Road 182 Comment
  POM215775  Navarretia cotulifolia D. D. Keck 1933-5-29 2350 Napa Just south of Pope Creek Bridge, south of Walter Springs Comment
  UCD37484  Navarretia heterandra Beecher Crampton 1960-6-29 5747 Napa Napa County, 2 miles north of Spanish Flat, western shore of Lake Berryessa. Comment
  UC106835  Navarretia heterodoxa Katharine Brandegee 1889-1 Napa Howell Mountain Comment
  UC23628  Navarretia heterodoxa Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  JEPS129053  Navarretia intertexta subsp. intertexta Jake Ruygt 2016-6-11 6286 Napa Wantrup Wildlife Preserve. Chiles Valley 7.5' Quad. Comment
  JEPS123311  Navarretia intertexta subsp. intertexta David Gowen 2009-6-15 1062 Napa Snell Valley Road, east of Butts Canyon Road in Snell Wildflower Preserve. Small drainage on southwest side of road. Comment
  UCD167181  Navarretia intertexta subsp. intertexta Jake Ruygt 1987-6-15 2019 Napa Wild Horse Valley Ranch. 502 Comment
  RSA83074  Navarretia jepsonii Verne Grant, Alva Grant 1946-5-26 7638 Napa By Guinot Lake, Pope Valley Comment
Read comments
Jun 4 2014
  UC908643  Navarretia jepsonii Mrs. K. Brandegee Jul 26 1910-Jun 1 1911 148 Napa near Aetna Springs Comment
  UCD48416  Navarretia jepsonii Mrs. K. Brandegee 1910-7-26 148 Napa Near Aetna Springs, Napa County, in depression in clay soil. Comment
  JEPS95201  Navarretia leucocephala subsp. bakeri Jake Ruygt 1996-5-19 3709 Napa between Barnett Rd and Pope Valley Rd 201 Comment
  UC52368  Navarretia leucocephala subsp. bakeri J. P. Tracy 1903-5-16 1853 Napa near Calistoga; San Francisco Bay Region 91 Comment
  JEPS112558  Navarretia leucocephala subsp. pauciflora Jake Ruygt 1998-6-8 4016 Napa Mead Ranch, Atlas Peak Road. 487 Comment
  UC23709  Navarretia mellita Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  UCD48408  Navarretia mellita Robert E. Preston 1987-6-13 560 Napa CA: Napa Co.; N slope of Snell Peak. T10N R5W se1/4 S7 (Aetna Springs 7.5' quad). 365 Comment
  SEINET4673932  Navarretia paradoxinota David Gowen 2010-6-8 s.n. Napa Snell Valley Road, east of Butts Canyon Road in Snell Wildflower Preserve.; 0 Comment
  SEINET5642396  Navarretia paradoxinota Leigh A. Johnson 1996-5-26 96 -012 Napa Along Snell Valley Road within 50 yards of jct. between Snell Valley Road and Butts Canyon Road. In moist earth and shallow pool along S side of road. 350 Comment
  UC23795  Navarretia pubescens Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  UCD167445  Navarretia pubescens James A. Neilson Jr. 1979-5-25 3973 Napa Manhattan Mine area, 1 mile northwest of Knoxville. (Manhattan Mine is now known as Homestake McLaughlin Mine. Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD19314  Navarretia pubescens M. A. Bibbo; E. Dean 2001-7-6 6 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.5 air miles from research station. E (upslope) side of the road. 259 Comment
  POM261444  Navarretia pubescens Thos. Howell 1937-5-23 s.n. Napa Palisades. Comment
  UCD59442  Navarretia pubescens Beecher Crampton 1959-5-26 5258 Napa Markley Canyon, Vaca Mountains. Hwy. 128. Comment
  JEPS83636  Navarretia rosulata R. Raiche 1987-5-23 70198 Napa W of Lake Berryessa, Cedar Roughs, headwaters of Hardin Creek, SW of Gilliam Spring, top of ridge, 640 Comment
  UC142969  Navarretia squarrosa Katharine Brandegee 1910-7-26 Napa Pope Valley Comment
  JEPS101625  Navarretia subuligera Dean W. Taylor 1998-6-3 16458 B Napa basin in headwaters Cedar Canyon, between Twin Peaks and Sugarloaf Mountain, at end of road up (west from) Aetna Springs 548 Comment
  JEPS110944  Navarretia tagetina Jake Ruygt 1983-6-1 1484 Napa HWY 12 at Sonoma County line 91 Comment
  UC908083  Navarretia tagetina Herbert L. Mason 1934-4-30 8110 Napa tributary of Putah Creek Pope Valley, Putah Creek Comment
  JEPS16709  Navarretia tagetina Rimo Bacigalupi with J. R. Sweeney 1953-5-26 4125 Napa 5.25 mi n Calistoga (along road to Middletown (State Highway 29)) 411 Comment
  UC23889  Navarretia viscidula Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs Napa River Basin Comment
  UC1199528  Nemacladus capillaris Francia Chisaki 1957-5-30 971 Napa between Chiles and Monticello (by Soda Creek); Soda Creek Comment
  UCD72910  Nemacladus montanus B. Wengeler 1995-4-30 s.n. Napa 2 m N of hwy 128 along Knoxville Rd. 183 Comment
  POM224204  Nemacladus montanus H. L. Mason 1935-5-30 10000 Napa Four miles north of Knoxville Mines. Comment
  RSA492511  Nemacladus montanus H. L. Mason 1935-5-30 10000 Napa Four miles north of Knoxville Mines. Comment
  SEINET10906140  Nemacladus montanus Hoffman 1952-5-24 HOFFMAN s.n. Napa Sage Canyon Road, 8.3 miles west of the junction of the Monticello, Sage Canyon, and Winters roads Comment
  CAS-BOT-BC219371  Nemophila Saichi Kawahara 1968-4-20 342 Napa Chiles-Pope Valley Road, 2 miles south of Pope Valley 259 Comment
  JEPS110863  Nemophila heterophylla Jake Ruygt 1981-4-4 966 Napa Bell Canyon 353 Comment
  POM182714  Nemophila heterophylla D. D. Keck 1931-4-2 1014 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UC880874  Nemophila heterophylla Lewis S. Rose 1939-4-16 39087 Napa 10 mi ne Napa (Wooden Valley); ne of Napa, Wooden Valley Comment
  UCD166679  Nemophila heterophylla Jake Ruygt 1998-5-2 3950 Napa Pope Canyon, Landucci Ranch. 316 Comment
  UCD23400  Nemophila heterophylla Eva Kurth 1977-4-10 182 Napa Corolla white. On rocky, SE facing slope 200 yds east of Monticello Dam on Highway 128. Comment
  CHSC43316  Nemophila menziesii Lowell Ahart 1969-4-7 25 Napa On moist soil of a road cut, near Lake Berryessa. 243 Comment
  JEPS1480  Nemophila menziesii W. L. Jepson 1940-2-29 19497 Napa Yount School Vicin San Francisco Bay, e side Napa Valley, Yount School (e side Napa Valley, vicinity of San Francisco Bay) Comment
  UCD120085  Nemophila menziesii Everett H. Everson 1951-4-8 23 Napa 6.1 miles southwest of Monticello, on Napa Road. Comment
  UCD23408  Nemophila menziesii Marti Franco 1977-4-16 183 Napa Herbaceous annuals, flowers blue and white. Foothill woodland, east facing slope, among grasses, full sun. East Bull Canyon, off of State Highway 128, 6.4 miles southwest of Monticello Dam. Comment
  UCD159790  Nemophila menziesii var. atomaria James A. Neilson Jr. 1975-4-13 3135 Napa Soda Canyon Road, near outlet of canyon. 60 Comment
  UCD166683  Nemophila menziesii var. atomaria Jake Ruygt 1998-3-21 3883 Napa west of Pope Canyon Road, north side of Burton Creek. 187 Comment
  UCD166686  Nemophila pedunculata Jake Ruygt 1991-3-11 2668 Napa intersection of Aetna Extension Rd and Oat Hill Mine Rd. 670 Comment
  JEPS122690  Nerium oleander Jake Ruygt 2004-9-4 4663 Napa Beryessa-Knoxville Road at Zim-Zim Creek. Quad: Knoxville. Comment
  CHSC102523  Nicotiana acuminata var. multiflora Lowell Ahart 2009-10-12 16455 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS13901  Nicotiana acuminata var. multiflora Willis L. Jepson 1894-11-5 21245 Napa above St. Helena (Napa River bed); Napa River Comment
  SD58461  Nicotiana acuminata var. multiflora Helen-Mar Wheeler 1942-11-2 503 Napa South end of Conn Creek Road at the bridge over Conn Creek, Conn Valley Comment
  JEPS12384  Nicotiana quadrivalvis W. L. Jepson 1922-10-22 9838 Napa near mouth of Conn Creek; Napa Valley Comment
  JEPS12387  Nicotiana quadrivalvis W. L. Jepson 1894-11-5 21248 Napa Napa River above St. Helena; Napa River Comment
  UCD110200  Notholithocarpus densiflorus D. Sanchez-Mata 1996-6-22 s.n. Napa Pope Valley-Napa Valley. 520 Comment
  JEPS62079  Odontostomum hartwegii Willis L. Jepson 1894-5-1 Napa near St. Helena (rd. to Upper Conn Valley); Napa R. Valley Comment
  JEPS110556  Oemleria cerasiformis Jake Ruygt 1979-3-24 458 Napa 5.1 miles NE of Westgate Dr. on Atlas Peak Rd. 420 Comment
  JEPS44834  Oemleria cerasiformis Willis L. Jepson 1893-5-9 13828 Napa sw of St. Helena (Niebaum's Dam); Napa River Basin Comment
  UCD168001  Orobanche James A. Neilson Jr. 1977-4-13 3868 Napa Oat Hill Mine Rd. (Exact location unknown, coordinates estimated by label maker.The collections before this were north of Sugarloaf Mt., and collections after this were near Maple Springs) Comment
  RSA0059237  Orobanche uniflora subsp. occidentalis John C. Roos 1939-5-6 293 Napa Napa range above Calistoga. Comment
  UCD32414  Orthocarpus Beecher Crampton 1950-5-7 569 Napa about 3-4 miles southeast of Yountsville, east side of Napa Valley, along Silverado Trail. Comment
  RSA31988  Orthocarpus densiflorus A. A. Heller 1941-5-17 16136 Napa 2 miles north of Windsor on US Highway 101. Comment
  RSA155421  Orthocarpus erianthus L. S. Rose 1961-3-30 61023 Napa 6 mi w of Napa. 122 Comment
  POM43749  Orthocarpus faucibarbatus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SEINET12329998  Orthocarpus lithospermoides F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -324 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  RSA516486  Orthocarpus lithospermoides var. lithospermoides R. Wilcox 1944-5-9 s.n. Napa Conn Valley, Napa Valley Comment
  RSA195370  Orthocarpus purpurascens Gilbert Muth 1967-4-16 634 Napa Snell Valley. 183 Comment
  UCD160568  Osmorhiza berteroi G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. 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
  UCD170287  Packera clevelandii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 827 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 441 Comment
  UCD37945  Packera eurycephala Beecher Crampton 1962-5-16 6427 Napa 0.75 mile E of Aetna Springs. Comment
  UC767457  Packera eurycephala var. eurycephala R. F. Hoover 1941-4-26 4911 Napa below Monticello; Putah Creek Canyon Comment
  UC581701  Packera greenei Joseph P. Tracy 1933-6-2 12489 Napa 5 mi e Angwin's (on hills at head of Moores Creek); Howell Mountain, Moores Creek 457 Comment
  RSA126981  Panicum capillare B. O. Schreiber 1936-9-20 2355 Napa 5 miles south of Reiff 762 Comment
  UCD33483  Panicum capillare Beecher Crampton 1968-10-1 8386 Napa Napa County, ca. 3 miles north of Moskowite Corner on Hwy. 128. Comment
  UCD89506  Panicum capillare Beecher Crampton 1968-10-1 8386 Napa ca. 3 miles north Moskowite Corners, State Hwy. 128. Comment
  UCD164816  Panicum capillare subsp. hillmanii Jake Ruygt 2012-9-15 5878 Napa Crystal Flats, Putah Creek. 131 Comment
  JEPS122962  Panicum dichotomiflorum Jake Ruygt 1992-8-31 3135 Napa Wild Horse Valley Ranch, Leoma Lakes. Quad: Mount George. Comment
  JEPS120368  Papaver heterophyllum Jake Ruygt 1981-5-13 1021 Napa American Canyon east of Flosden Road. Cordelia 7.5' Quad. Comment
  JEPS106391  Parvisedum pumilum Jake Ruygt 1977-5-1 201 Napa east end of Westgate Drive, Silverado Country Club 121 Comment
  UCD38860  Paspalum dilatatum Beecher Crampton 1962-10-9 6699 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  JEPS10349  Pedicularis densiflora Alice King July, 1919 Napa Van Ness Ranch; Mount St. Helena Comment
  UC917153  Pedicularis densiflora D. C. Finfrock 1950-4-2 17 Napa 7.2 mi from St. Helena (on road to Pope Valley) Comment
  UCD169887  Pedicularis densiflora Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 726 Napa Knoxville Wildlife Area. 311 Comment
  RSA10645  Pedicularis densiflora Carl B. Wolf 1928-5-3 1845 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  UCD123323  Pedicularis densiflora David Lawfer 1952-4-20 146 Napa 5 miles northeast of Napa. Comment
  UCD36151  Pedicularis densiflora Beecher Crampton 1953-2-26 989 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  UCD20913  Pellaea andromedifolia V. (Shorty) Boucher 2002-3-27 4 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. 243 Comment
  CAS-BOT-BC69210  Pellaea andromedifolia Peter H. Raven 1954-1-22 6379 Napa Sulphur Springs Resort, w. of St. Helena 121 Comment
  CDA41870  Penstemon heterophyllus subsp. purdyi Yeager 1930-5-15 s.n. Napa [no further data] 0 Comment
  NY601784  Penstemon heterophyllus var. purdyi H. T. Edwards 09 1875 s.n. Napa St. Helena 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
  CAS-BOT-BC245717  Penstemon newberryi var. sonomensis H. E. McMinn 1922-3-27 52 Napa From fop of Mt. St. Helena Comment
  JEPS103986  Pentagramma triangularis subsp. triangularis Jake Ruygt 1997-3-18 3804 Napa Greenfield Road 207 Comment
  UCD48368  Pentagramma triangularis subsp. triangularis Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd. South of junction with Cut Off Rd., 10 ft. from creek bed. 182 Comment
  UC126553  Perideridia kelloggii Harley P. Chandler Sep 7 1906-Sep 14 1906 7102 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS12448  Perideridia kelloggii Willis L. Jepson 1893-9-24 14218 Napa Howell Mt. Napa River Basin Comment
  UC20890  Perideridia kelloggii Willis L. Jepson 1892-6 Napa Knoxville grade to Lower Lake Mountain Region of Clear Lake Comment
  JEPS104483  Perideridia oregana Jake Ruygt 1998-7-6 4078 Napa SW of Snell Peak. 390 Comment
  UCSB61652  Persicaria punctata Ertter, Barbara; Neese, Elizabeth 1988-10-2 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges, T7N R5W; below spillway on N side of Rt 128, 91 Comment
  UCD48848  Petrorhagia dubia M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 18 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 274 Comment
  UC131534  Phacelia californica C. F. Baker 1903-4-19 2601 Napa St. Helena Comment
  JEPS110852  Phacelia corymbosa Jake Ruygt 1988-5-29 2190 Napa sensitive plant canyon SE of Hunting Creek campground 411 Comment
  JEPS2386  Phacelia distans Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. Comment
  JEPS78806  Phacelia egena John W. Willoughby 1976-5-18 1688 Napa w side of ridge near top Vaca Mountains (latitude approx. that of Mt. Vaca) 762 Comment
  UCD169611  Phacelia heterophylla subsp. virgata Ayzik Solomeshch 2008-4 s.n. Napa north side of Pope Canyon Road ca 2 km west of intersection with Berryessa-Knoxville Road. 140 Comment
  CDA40411  Phacelia imbricata J. T. Howell 1931-4-3 6126 Napa Pope Creek Canyon, 8 miles from Monticello. 0 Comment
  JEPS110865  Phacelia imbricata subsp. imbricata Jake Ruygt 1977-4-17 190 Napa Oat Hill Mine Rd., .2 mile east of HWY 29 176 Comment
  UCD48042  Phacelia tanacetifolia A. Laffin; A. Randall, S. Holck 2002-4-13 2 Napa Napa Co, McLaughlin UC Reserve, north of Knoxville-Berryessa Road, just west of turn-off to old town of Knoxville. Ca. 0.2 airline mile up slope of road, in calcium seep. 431 Comment
  POM126107  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa Napa Valley near Calistoga 91 Comment
  CAS-BOT-BC265789  Phalaris aquatica J. H. Thomas 1960-8-29 8841 Napa About 1 mile north of Calistoga along Highway number 53 Comment
  UC187260  Phalaris caroliniana Joseph P. Tracy 1903-5-15 1851 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  CAS-BOT-BC250851  Phleum pratense Peter H. Raven 1951-6-26 3048 Napa E. of Napa on Monticello Rd. 60 Comment
  JEPS122932  Phleum pratense Jake Ruygt 1986-6-9 1807 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road. Quad: Capell Valley. Comment
  JEPS71124  Phlox gracilis Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  UC917126  Phlox gracilis D. C. Finfrock 1950-4-2 13 Napa 2 mi from St. Helena (on Pope Valley road) 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
  JEPS56135  Phoradendron densum Donald V. Hemphill 1968-7-13 Napa sw Lake Berryessa; Cedar Roughs 609 Comment
  UC1039601  Phoradendron densum Herbert L. Mason 1926-1-2 2607 Napa Mt. St. Helena, Toll House Canyon Comment
  UCR115095  Phoradendron densum G. Fred Hrusa 1993-10-3 11427 Napa 2.1 mi SW along Knoxville-Devilhead Rd. from Knoxvlle-Berryessa Rd. 440 Comment
  JEPS110811  Phoradendron villosum Jake Ruygt 1979-5-20 614 Napa 1.6 miles north of White Cottage Rd. on Summit Dr. 694 Comment
  RSA261502  Physocarpus capitatus R. A. Christison 1960-4-24 51 Napa 2 miles below the junction of Silverado Road with Glass Mountain Road. 15 Comment
  RSA412034  Pickeringia montana var. montana Bonnie C. Templeton 1957-6-27 76 H371B Napa About 3 miles up Trinity Road near the junction to Oakville. Comment
  JEPS120338  Pilularia americana Jake Ruygt 1998-5-23 3995 Napa Napa Airport Industrial Park, NW corner. Cuttings Wharf 7.5' Quad. Comment
  UCD147464  Pilularia americana Ellen Dean; Diana Hickson 2014-4-29 8077 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  RSA10627  Pinus attenuata C. B. Wolf 1928-5-4 1864 Napa Upper slopes of Mount St. Helena Comment
  SD136373  Pinus attenuata Carl B. Wolf 1928-2-25 Napa Mount Saint Helena Grade Comment
  UC766769  Pinus attenuata R. F. Hoover 1941-4-27 4949 Napa e side of Mt. St. Helena Mt. St. Helena Comment
  UCD133139  Pinus attenuata Beecher Crampton 1962-5-16 6431 Napa 0.5 mile W of Aetna Springs. Comment
  JEPS48193  Pinus ponderosa Willis L. Jepson 1901-8-6 1733 Napa Hourell Mt. Napa River Basin, Hourell Mt. Comment
  JEPS46898  Pinus sabiniana W. L. Jepson 1906-12-29 Napa St. Helena St. Helena (above Sanitarium) Comment
  JEPS120443  Piperia transversa Jake Ruygt 1992-5-20 2995 Napa West of Leoma Lakes, Wild Horse Valley Ranch (Beuhler). Comment
  UC429322  Piperia unalascensis H. P. Chandler 1907-5-4 7555 Napa White Sulphur Springs St. Helena Comment
  UC78139  Plagiobothrys bracteatus Alice Eastwood 1900-5-8 Napa Calistoga Comment
  UCR205996  Plagiobothrys bracteatus Jake Ruygt 1996-5-13 3667 Napa 0.9 mi south of Pope Canyon Road on Hardin Road 184 Comment
  JEPS60941  Plagiobothrys bracteatus Willis L. Jepson 1893-4-25 21167 Napa sw St. Helena; Napa River Basin, Caux's Knob Comment
  HSC81992  Plagiobothrys cognatus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5155 Napa W side of Butts Canyon Rd. at junction with private road 244 Comment
  JEPS68067  Plagiobothrys nothofulvus W. L. Jepson 1893-4-26 21154 Napa near Rutherford (Vineland station) Comment
  SEINET7072528  Plagiobothrys nothofulvus 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
  UCD169884  Plagiobothrys nothofulvus Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 723 Napa Knoxville Wildlife Area. 352 Comment
  UC725968  Plagiobothrys nothofulvus A. A. Heller 1929-3-16 14820 Napa grade near foot of Mt. St. Helena Comment
  UCD37574  Plagiobothrys stipitatus Beecher Crampton 1955-4-7 2447 Napa Napa County, 21.5 miles north of Monticello, 0.5 mile northwest of Knoxville. Comment
  JEPS129104  Plagiobothrys stipitatus var. micranthus Jake Ruygt 2016-5-3 6232 Napa Smitty Ranch, east side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  CAS-BOT-BC228492  Plagiobothrys strictus Peter H. Raven 1950-5-6 2024 Napa Near Old Faithful Geyser N of Calistoga 182 Comment
  JEPS106762  Plagiobothrys strictus Jake Ruygt 1996-4-11 3589 Napa Calistoga Airport 105 Comment
  UC882379  Plagiobothrys strictus Milo S. Baker 1931-4-3 5142 Napa Calistoga Geyser Comment
  OBI20606  Plagiobothrys tener Joseph P. Tracy 1950-5-23 18664 Napa On La Jota Plateau in Los Posadas state forest 518 Comment
  UCD167240  Plantago coronopus Jake Ruygt 1980-6-1 910 Napa Milton Road across from Maury's Yauhts. 0 Comment
  JEPS110787  Plantago elongata Jake Ruygt 1993-4-18 3213 Napa west of west end of Rio Del Mar Drive, American Canyon 1 Comment
  UCD18176  Plantago erecta Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCD49192  Plantago erecta Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 24 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along Decker Ridge Rd., N of jct with South Decker Canyon Rd. 335 Comment
  UCR146184  Plantago erecta Beecher Crampton 1967-5-11 7918 A Napa Inner North Coast Ranges, 4.5 miles east of Rutherford, south slope, Conn Reservoir 122 Comment
  UCD124178  Plantago erecta Beecher Crampton 1959-5-26 5259 Napa Martley Canyon, Vaca Mountain. State Hwy. 218. Comment
  UCD170431  Plantago lanceolata Daniel Potter; Daniel McNair 2016-4-23 923 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  CAS-BOT-BC91869  Platystemon californicus Peter H. Raven 1953-4-2 5235 Napa Imola. 60 Comment
  JEPS51580  Platystemon californicus Willis L. Jepson 1897-5-2 Napa St. Helena Comment
  JEPS51587  Platystemon californicus Willis L. Jepson 1893-4-27 Napa near Veteran's Home Yountville (Yountville, Napa Valley); Napa River Basin, Napa Valley Comment
  UCD96076  Platystemon californicus R. L. Smith 1948-5-1 s.n. Napa east branch of Monticello Valley, 3 miles east of Samuel Springs. Comment
  JEPS110900  Plectritis brachystemon Jake Ruygt 1994-5-14 3370 Napa Mead Ranch, Atlas Peak Road, south of Foss Valley. 487 Comment
  UC169020  Plectritis brachystemon Joseph P. Tracy 1902-5-18 1537 Napa 3-4 mi e of Angwins (at head of Moore's Creek, La Jota Plateau, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  UC650434  Plectritis ciliosa subsp. ciliosa Ira L. Wiggins 1928-3-24 2868 Napa above Calistoga (on old road to Lake County) Comment
  UC1239595  Plectritis ciliosa subsp. insignis Joseph P. Tracy 1933-4-30 12093 Napa 5 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Howell Mountain, Moore's Creek 365 Comment
  UCD49297  Plectritis congesta subsp. brachystemon Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 13 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd. 10 ft. from creek bed. 182 Comment
  JEPS4814  Plectritis macrocera Miss R. Kuhn 1912-5-6 Napa Oakville Comment
  UC999846  Plectritis macrocera S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 689 Napa n of Monticello Comment
  UCD137615  Plectritis macrocera J. D. Skoss 1948-4-10 s.n. Napa Putah Canyon, 12 miles above Winters. Comment
  UCD137619  Plectritis macrocera M. R. Wanzer 1948-4-3 8 Napa Putah Canyon, 11 miles west of Winters. Comment
  SBBG115606  Pleuropogon californicus B. Crampton 1952-3-24 1031 Napa ca. 8 mi N of city of Napa, along Silverado Rd Comment
  UCD37527  Pleuropogon californicus Beecher Crampton 1955-3-14 2318 Napa Napa County, 5-6 miles southeast of Calistoga, Upper Napa Valley, along Silverado Trail Highway. Comment
  UCR30544  Pleuropogon californicus John C. Roos 1939-4-1 310 Napa Calistoga 111 Comment
  UCD90178  Pleuropogon californicus var. californicus Joseph P. Tracy 1938-6-6 15844 Napa Napa Valley. Between Napa City and Yountville. 30 Comment
  UCD90195  Pleuropogon californicus var. californicus R. Tofsrud 1949-4-1 s.n. Napa Calistoga, Myrtledale Hot Springs. Comment
  UCD90196  Pleuropogon californicus var. californicus R. Tofsrud 1951-5-20 s.n. Napa East edge of Yountville Cemetery. Comment
  UCD170204  Poa bulbosa Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 753 Napa Knoxville Wildlife Area, east of Berryessa-Knoxville Road. 246 Comment
  CAS-BOT-BC246684  Poa howellii Peter H. Raven 1951-6-10 2905 Napa E. of Toll House, Mt. St. Helena 792 Comment
  CAS-BOT-BC246848  Poa napensis Peter H. Raven 1957-5-5 10737 Napa Field near the hot springs at the airport, Calistoga Comment
  CAS-BOT-BC246850  Poa napensis Peter H. Raven 1950-5-6 2026 Napa Near Old Faithful Geyser between Rts. 29 & 28, N. of Calistoga 182 Comment
  JEPS122737  Poa napensis Jake Ruygt 2011-6-18 5803 Napa Tubbs Lane/Fard Property, south of Myrtledale Road. Quad: Calistoga. Comment
  NY431291  Poa napensis A. A. Beetle 1946-5-7 4256 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CDA11432  Poa secunda G. F. Hrusa, M. Tu 1995-5-6 12155 Napa North Coast Biodiversity Arena; Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  RSA10674  Poa secunda C. B. Wolf 1928-5-3 1814 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  JEPS122923  Poa secunda subsp. secunda Jake Ruygt 1983-4-2 1401 Napa End of Green Valley Road. Quad: Mt. George. Comment
  HSC14300  Pogogyne douglasii J. P. Tracy 1903-5-15 1863 Napa Napa Valley, near Calistoga 91 Comment
  JEPS110822  Pogogyne douglasii Jake Ruygt 1982-6-13 1320 Napa Pope Canyon Rd. near large vernal marsh 187 Comment
  UC153995  Pogogyne douglasii Joseph P. Tracy 1903-5-15 1863 Napa Napara Valley, near Calistoga 91 Comment
  UC1988917  Pogogyne douglasii Alice Eastwood and John Thomas Howell 1939-6-11 Napa near Calistoga Comment
  JEPS122744  Pogogyne serpylloides Jake Ruygt 2011-5-7 5780 Napa Mill Valley near Angwin; central portion. Quad: St. Helena. Comment
  UCR23626  Pogogyne serpylloides John C. Roos 1939-4-29 291 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  POM181332  Polycarpon tetraphyllum J. T. Howell 1931-4-19 6438 Napa Conn Creek Wah, Napa Valley Comment
  UCD170183  Polygala californica Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 774 Napa Knoxville Wildlife Area, northwest of Zim Zim Falls. 463 Comment
  JEPS43012  Polygala californica Elizabeth Ferguson 1920-5-15 353 Napa Toll Road Mt. St. Helena Comment
  JEPS112598  Polygonum amphibium var. emersum Jake Ruygt 1991-8-8 2829 Napa east side of Lake Orville, Friesen's Lakes, Angwin 557 Comment
  UCD149721  Polygonum bolanderi 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
  UC6676  Polygonum californicum Brewer 856 Napa Napa Hills Comment
  JEPS50624  Polygonum lapathifolium Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin, Howell Mountain Comment
  JEPS112589  Polygonum parryi Jake Ruygt 1992-5-20 2985 Napa south of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  CDA34662  Polygonum punctatum L. Ahart 2009-10-12 16449 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 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
  CHSC46172  Polypodium californicum Lowell Ahart 1976-3-7 1023 Napa About 2 miles south-west of the Monticello Dam. 152 Comment
  RSA309338  Polypodium californicum Edward Lee, Annetta Carter 1935-12-1 1672 Napa Sarco Creek, Howell Mountains (road from Napa to Wooden Valley) Comment
  UCD81813  Polypodium calirhiza Ellen Dean 2009-4-24 5440 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UC42893  Polypodium glycyrrhiza Ferd L. Clarke 1892-1 Napa near Yountville Comment
  JEPS100823  Polypogon interruptus Dean W. Taylor 2000-6-29 17471 Napa Zim Zim Creek, along the creek about 2.5 miles up from confluence of Eticuera Creek and Berryessa-Knoxville Road 259 Comment
  UCD169866  Polypogon monspeliensis Daniel Potter; Peter Lash 2015-4-26 801 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 444 Comment
  JEPS103977  Polystichum californicum Jake Ruygt 1992-8-8 3125 b Napa near Lake Marie, Skyline Park 243 Comment
  UC1242055  Polystichum californicum Don Branscomb 1959-2-2 Napa between Calistoga and Napa (Mill Creek Canyon); Mill Creek Canyon Comment
  CAS-BOT-BC72344  Polystichum imbricans subsp. imbricans Betty H. Johnson 1958-6-20 664 Napa near Mt. Mill House, 6.4 mi. S.W. of Middletown Comment
  CAS-BOT-BC72465  Polystichum munitum Evelina Cannon 1901-7-20 s.n. Napa Johannisberg, side of Mt. Veeder Comment
  UCD73520  Potamogeton diversifolius Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS113961  Prosartes hookeri Jake Ruygt 1996-4-6 3534 Napa Along southeast drainage entering Rector Reservoir. Yountville 7.5' Quad. Comment
  JEPS44630  Prunus ilicifolia Frank A. Leach 1923-4-30 Napa about 3 or 4 mi e of Napa 243 Comment
  JEPS110645  Prunus subcordata Jake Ruygt 1990-4-28 2513 Napa Bear Valley 615 Comment
  JEPS106916  Pseudognaphalium biolettii Jake Ruygt 1988-7-19 3516 Napa Skyline Park, Sugarloaf trail. 420 Comment
  CAS-BOT-BC356659  Pseudognaphalium californicum L. R. Abrams 1916-7-2 5757 Napa Near St. Helena Sanitarium Comment
  UCD73442  Pseudognaphalium californicum Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  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
  UCD19930  Pseudognaphalium luteoalbum E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 787 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD63177  Pseudognaphalium thermale Jake Ruygt 1988-8-14 2231 Napa Berryessa-Knoxville Rd. at Pope Canyon Road. 143 Comment
  CAS-BOT-BC80151  Pseudotsuga menziesii Alice Eastwood 1918-5-1 6853 Napa Mt. St. Helena Comment
  UC245  Pseudotsuga menziesii var. menziesii Mrs. D. O. Hunt 1899-2-26 Napa Glass Mt. St. Helena, Glass Mt. 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
  UCD170382  Psilocarphus tenellus Daniel Potter; N Khuu 2016-5-8 878 Napa Knoxville Wildlife Area, southwest of Zim Zim Falls trailhead. 347 Comment
  CAS-BOT-BC72606  Pteridium aquilinum Peter H. Raven 1951-8-21 3878 Napa Mt. Veeder 792 Comment
  UC725507  Pyrrocoma racemosa var. racemosa A. A. Heller 1927-8-26 14466 Napa Calistoga Comment
  UC829434  Pyrrocoma racemosa var. racemosa Alice Eastwood 1918-9-3 7961 Napa Calistoga Comment
  LA26108  Quercus X chasei J. M. Tucker; 1954-9-23 2757 Napa beside Hwy 37, 6.5 miles (by road) S of junction with Hwy 28 Comment
  SFV890  Quercus X ganderi D. Q. Cavagnaro 1965-6-26 s. n. Napa La Jolla quicksilver mine, north slope of Mount St. John, 7 miles northwest of Oakville. Comment
  JEPS116572  Quercus X morehus Jake Ruygt 1986-5-5 1742 Napa North side of Mount George. 7.5' Mount George Quad. Comment
  UCD47054  Quercus X morehus D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa (Q. wislizenii DC. X Q. kelloggii Newb.). Napa County: Lake Berryessa. Pope Creek; 380 Comment
  CAS-BOT-BC61810  Quercus agrifolia unspecified 1939-10-1 s.n. Napa Napa Comment
  JEPS37373  Quercus agrifolia W. L. Jepson 1930-10-19 15694 Napa Butts Canyon Comment
  JEPS37715  Quercus agrifolia W. L. Jepson 1901-11-17 1753 Napa near St. Helena; Napa River Basin Comment
  UCD45100  Quercus agrifolia W. C. Overton Jr. 1980-7-13 s.n. Napa Along south bank of Eticuera Creek ca. 1 1/2 road miles north of Lake Berryessa, Napa Co., Calif.; elev. 500 feet. Location is to the west of the Berreyessa-Knoxville Road (at the 20.00 mile marker) where the creek turns sharply to the NW, away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to the NE of the limits shown in Griffin and Critchfield, 1972). No. 1 of 4 sheets. 152 Comment
  UCD45339  Quercus agrifolia J. M. Tucker 1954-9-23 2757 Napa Beside Highway 37, 6.5 miles (by road) south of junction with Highway 28, in Napa County, California. Comment
  UCD148743  Quercus agrifolia var. agrifolia Jake Ruygt 2002-10-23 4467 c Napa Napa County; Mt. Vaca, south side of peak. 835 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
  UCR212388  Quercus berberidifolia Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
Read comments
Oct 11 2010
  CAS-BOT-BC62455  Quercus chrysolepis Bell Richardson Jackson 1924-10-22 s.n. Napa Summit of Mt. St. Helena Comment
  JEPS116542  Quercus chrysolepis Jake Ruygt 1984-3-31 1516 a Napa Devil's Canyon. Sonoma 7.5' Quad. Comment
  UCD45536  Quercus chrysolepis D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley Creek. 350 Comment
  UC1135444  Quercus douglasii J. B. Spring 1932-6-27 90 Napa 1.5 mi s and .33 mi e McCormack Ranch; Santa Rosa Quad. 746 Comment
  UC993142  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  UC993149  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  UCD45638  Quercus douglasii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCD45739  Quercus douglasii John M. Tucker 1954-9-23 2755 Napa East side of Highway 37 .1 mile south of junction with Wooden Valley Road (about 9.5 miles north-east of Napa), Napa County, California. Comment
  UCD45742  Quercus douglasii John M. Tucker; G. L. Stebbins 1950-11-5 2008 20 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; growing with both parental species. Comment
  SEINET9315403  Quercus dumosa Unknown 1939-4-16 39068 Napa 3 mi NE of Napa. Open rocky hills. Comment
  CAS-BOT-BC79843  Quercus durata Walter Knight; Irja Knight 1963-9-15 241 Napa Los Alamos Rd., Santa Rosa Comment
  RSA118984  Quercus durata John H. Thomas 1955-5-21 5164 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena. 244 Comment
  RSA39635  Quercus durata P. A. Munz 1947-10-10 12214 Napa Inner Coast Range, 11 miles east of Rutherford, on road to Winters. Comment
  UC527836  Quercus durata R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6680 Napa 10 mi n Howell Mt.; Butts Canyon Comment
  UCD14805  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2006 -6 Napa California, Napa Co.; beside road up Howell Mountain, ca. 6 mi. north of St. Helena; Comment
  UCD14810  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -12 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14818  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -7 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14825  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -21 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14826  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -22 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14837  Quercus durata John M. Tucker 1950-11-12 2014 -13 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD149623  Quercus durata G. Ledyard Stebbins 1994-3-11 s.n. Napa Capell Creek. Comment
  UCD40324  Quercus durata Rodney Gale Myatt 1971-6-27 769 Napa Ink Grade Road near the town of Angwin, and northeast of St. Helena. 487 Comment
  UCD45889  Quercus durata Beecher Crampton 1962-10-9 6704 Napa 7 miles north of Conn Reservoir (Lake Hennessy), Pope Valley Road. Comment
  UCD45935  Quercus durata D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Mac Laughlin UC Natural Reserve. 680 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
  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
  UCD45897  Quercus durata var. durata J. M. Tucker 1953-10-25 2690 Napa Beside Highway 28, 1.0 mile west of junction of highways 28 and 37, ca. 30 feet from edge of road, on lower side, Capell Canyon, Napa County, California. Comment
  UCD48032  Quercus durata var. durata Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 20 Napa Napa Co, McLaughlin Reserve, apporx. 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd. 1st ridge south of Devilhead Rd. 518 Comment
  JEPS116536  Quercus garryana Jake Ruygt 1990-4-7 2461 Napa Lake Hinman. Yountville 7.5' Quad. Comment
  UCD46093  Quercus garryana var. garryana J. M Tucker 1952-4-17 2349 Napa Tree on 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
  UCSB19167  Quercus garryana var. garryana Rankine, Jane 1965-4-13 Napa 3 miles west of Pope Valley on the road between Pope Valley and Anqwin Comment
  JEPS46698  Quercus kelloggii W. L. Jepson 1902-9-27 Napa St. Helena Comment
  LA205302  Quercus kelloggii J. A. Ewan; 1933-9-17 8012 Napa trail above Mt St. Helena Inn Comment
  RSA149  Quercus kelloggii J. T. Howell 1927-8-23 683 Napa Chiles Valley, Napa Range. 213 Comment
  UCD46615  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
  CAS-BOT-BC62882  Quercus lobata M. S. Jussel 1932-4-10 s.n. Napa St. Helena 10 miles N.E. Cliff Spring Comment
  POM106155  Quercus lobata Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD48374  Quercus lobata Kook-Hyun Chung; C. Ineich, J. Deusterman, M. Hauselt 2001-4-28 19 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, 3 m from end of Decker Bay Trail and 20 m from edge of Lake Berryessa. 146 Comment
  UCD165467  Quercus lobata John M. Tucker 1976-10-24 4379 Napa California, Napa County: On north side of Highway 128, 0.5 mi. east of Moskowite Corner (junction of Highways 128 and 121). Comment
  CAS-BOT-BC104983  Quercus wislizeni H. E. McMinn 1923-5-25 973 Napa Summit Wooden Valley Grade Comment
  UC1543117  Quercus wislizeni Charlotte G. Nast 1936-3-27 33 Napa Putah Canyon Comment
  UCD149626  Quercus wislizeni G. Ledyard Stebbins 1994-4-15 s.n. Napa Markley Canyon. Comment
  UCD144652  Rafinesquia californica Alice Warrick 2007-4-20 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD17980  Ranunculus aquatilis Ellen Dean; with Plant Biology 102 class 2001-4-14 705 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, in stock pond. 152 Comment
  JEPS110892  Ranunculus aquatilis var. hispidulus Jake Ruygt 1982-5-16 1267 Napa .2 mile south of Foss Valley on Atlas Peak Rd. 417 Comment
  RSA786317  Ranunculus californicus Keith E. Hoffmaster 1946-3-23 1223 Napa Napa range, along Napa-Monticello road. 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
  CLARK-A1528-3878  Ranunculus hebecarpus John C. Roos 1939-4-1 264 Napa Comment
  UC136198  Ranunculus lobbii C. F. Baker 1903-4-19 1997 Napa St. Helena Comment
  UCD83671  Ranunculus muricatus Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 6 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 183 Comment
  UCD96259  Ranunculus muricatus M. Wiesendanger 1926-4-1 1489 Napa Napa County. Comment
  UCD168562  Ranunculus occidentalis Stephen P. Rae; A. Solomeshch 2007-3-17 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
  UCD49120  Ranunculus occidentalis L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 1 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd., S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  SEINET5718619 Image available Ranunculus occidentalis Shirley C. Tucker 1964-1 6092 B Napa Route 138, 4 miles east of Moscovitz Corner.; Moscovitz Corner Comment
  JEPS17350  Ranunculus orthorhynchus var. bloomeri Rimo Bacigalupi with John Dawson 1955-4-25 4841 Napa 2 1/2 mi s Imola (field along CA Hwy 29) Comment
  UC1178884  Reseda luteola Herbert L. Mason 1942-9-29 12558 Napa 2 mi n of Calistoga (Napa River); Napa River Comment
  UC2013271  Reseda luteola David Keil with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24509 Napa Near east end of Lake Hennessy along Highway 128. 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
  JEPS106865  Rhagadiolus stellatus Jake Ruygt 1989-4-29 2297 Napa Napa River north of Trancas St.,Napa 3 Comment
  UCD96189  Rhagadiolus stellatus Ellen Dean; with Clare Loughran 2011-5-20 7073 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  CAS-BOT-BC56019  Rhamnus ilicifolia H. E. McMinn 1922-3-27 55 Napa Slope on Mt. St. Helena Comment
  UCD16107  Rhamnus tomentella I. Coats 1983-6-3 57 Napa California. Napa County: 2.2 mi NW of Lower Chiles Valley Rd along Chiles Pope Valley Rd. 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
  UC413095  Rhododendron occidentale H. P. Chandler 1907-4-25 7537 Napa below Conn Valley (Chiles Valley Road); Chiles Valley Road Comment
  UCD117983  Rhododendron occidentale W. R. Russell 1953-5-5 s.n. Napa Chiles Valley. Comment
  UCD20695  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 6 Napa Napa County, Butts Canyon Rd. along both sides of Butts Creek. Lake Co. line to 500' SE of Co. line, predominately on SW bank, a few on NE bank. Comment
  CDA38892  Rhododendron occidentale A. T. Leiser 1984-9-23 s.n. Napa Butts Canyon Rd./ Shell Valley Rd. along Butts Creek, Napa 19.25 marker. Off Pope Valley Rd., Northeast side of road, south bank, 50' southeast of ranch driveway at water's edge, plant submerged to 1.5' at flood levels. 0 Comment
  CAS-BOT-BC200393  Rhododendron occidentale var. paludosum John Thomas Howell 1933-8-27 11640 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC168039  Rhus aromatica John Thomas Howell 1926-3-28 1769 Napa St. Helena Creek below Patten's Comment
  POM339720  Rhus trilobata F. R. Fosberg 1967-4-1 48417 Napa Hills just south of Lake Berryessa Comment
  UC11499  Ribes californicum Willis L. Jepson 1893-5-2 Napa near Palisades; Napa River Basin, New Pope Valley grade Comment
  CAS-BOT-BC168940  Ribes malvaceum John Thomas Howell 1931-4-2 6069 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  UCD33890  Ribes malvaceum Beecher Crampton 1975-2-17 9106 Napa Napa County, 1/2 mile west of Monticello Dam. Comment
  UCD19333  Ribes malvaceum var. malvaceum M. A. Bibbo; E. Dean 2001-7-6 25 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, along upper road by powerline, ca. 0.4 air miles from jct of W and E roads, on steep N facing slope. 286 Comment
  UCD167047  Ribes malvaceum var. malvaceum Jake Ruygt 1989-11-26 2425 Napa Mt. George on Land Trust Preserve, northwest side. 277 Comment
  RSA0024606  Ribes roezlii var. cruentum W. L. Jepson 1893-4-25 13524 Napa Trail to Caux s Cabin, mountains W of St. Helena. Napa River basin. Comment
  UCD167061  Ribes sanguineum var. glutinosum Jake Ruygt 1999-5-18 4165 Napa Skyline Park, along Marie Creek Road near lake. 244 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
  UCD167016  Ribes victoris Jake Ruygt 1984-3-28 1511 Napa Whitehall lane. 701 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
  JEPS106863  Rigiopappus leptocladus Jake Ruygt 1982-5-19 1284 Napa 1.8 miles south of Pope Canyon Rd.on Ber ryessa-Knoxville Road 207 Comment
  JEPS106904  Rigiopappus leptocladus Jake Ruygt 1998-5-11 3961 x Napa Greeg Mountain 445 Comment
  UC166086  Rigiopappus leptocladus J. P. Tracy 1905-7-5 2207 1/2 Napa 3 to 4 mi e Angwin's (head of Moores Creek); Howell Mountain, Moores Creek 365 Comment
  UCD32572  Rigiopappus leptocladus Beecher Crampton 1954-5-20 1926 Napa 8 miles southwest of Monticello, along highway 128. Comment
  CAS-BOT-BC363049  Rigiopappus leptocladus David D. Keck 1933-5-29 2341 Napa Pope Creek Bridge, south of Walters Springs. South wall of Pope Creek Canyon Comment
  JEPS106793  Rorippa curvisiliqua Jake Ruygt 1996-6-2 3739 Napa Buchli Station area of Duhig Road; near Huichica Creek 5 Comment
  CAS-BOT-BC148155  Rosa gymnocarpa Peter H. Raven 1952-5-26 4049 Napa Howell Mt. 426 Comment
  CAS-BOT-BC148156  Rosa gymnocarpa Peter H. Raven 1964-5-9 19055 Napa Edge of redwood grove along dirt road 2 miles west of Aetna Springs Comment
  SBBG3092  Rosa gymnocarpa H. and M. Dearing 1939-4-30 3233 Napa near St Helena Comment
  POM275408  Rosa spithamea Lyman D. Benson 1929-9-30 1931 Napa N side Mt. St. Helena. Mayacamas Mtns. Putah Creek watershed. 762 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
  JEPS120317  Rumex californicus Jake Ruygt 1990-5-12 2544 Napa Wooden Valley, north of Wooden Valley School. Capell Valley 7.5' Quad. Comment
  JEPS110755  Rumex dentatus Jake Ruygt 1980-6-29 948 Napa Steele Canyon Resort at Lake Berryessa 129 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
  JEPS115686  Rumex maritimus Lowell Ahart 2009-10-27 16493 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, abou 130 Comment
  UCD101453  Rumex pulcher Louise Krozek 1965-5-8 23 Napa Berryessa-Knoxville Road, ca. 7 miles north of State Highway 128. Comment
  JEPS65647  Rupertia physodes W. L. Jepson 1913-4-15 5306 Napa Howell Mt. 609 Comment
  POM161356  Rupertia physodes Rimo Bacigalupi 1928-6-20 1867 Napa Howell Mt, 10 miles W of St Helena Comment
  UC1197460  Rupertia physodes Joseph P. Tracy 1899-6-17 393 Napa on hills at head Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain 365 Comment
  POM216230  Rupertia physodes D. D. Keck 1933-5-29 2356 Napa Pope Creek bridge south of Walters Springs. Comment
  RSA170398  Rupertia physodes J. D. Olmsted 5058 Napa Cold Creek; 150 yds above road by Monticello Dam, Vaca Mtns. Comment
  JEPS129167  Sagina decumbens subsp. occidentalis Jake Ruygt 2015-3-21 6048 c Napa Missimer - Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  UC186590  Salicornia virginica C. F. Sonne Apr 1887 Napa near Junction Comment
  CAS-BOT-BC103225  Salix bonplandiana Peter H. Raven 1951-6-24 3021 Napa [Brown's] Browns Valley to Napa-Sonoma Road 91 Comment
  CAS-BOT-BC103227  Salix bonplandiana Peter H. Raven 1952-9-14 5177 Napa Conn Creek e. of Yountville 91 Comment
  CAS-BOT-BC103226  Salix bonplandiana John Thomas Howell 1925-4-11 954 Napa Soscol Comment
  CAS-BOT-BC108662  Salix breweri Peter H. Raven 1951-5-26 s.n. Napa Butts Canyon [Canon] Creek Comment
  CDA10937  Salix breweri G. F. Hrusa, K. Lyons 1994-4-29 11849 Napa North Coast Biodiversity Arena; Creekbed of Pope Creek, where Rd. crosses creek. Approx. 3 m. E of junction of Pope Valley Rd & Chiles Valley Rd. Comment
  RSA181974  Salix breweri W. L. Jepson 1930-10-19 15704 Napa Butts Canyon. Comment
  SBBG58851  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butts Cyn, between Pope Springs and Aetna Valley 91 Comment
  UC482102  Salix exigua var. hindsiana Ball, Bracelin, Parks and Parks 1931-4-21 33 Napa ca. 2 km. w Calistoga (on main hwy) Comment
  JEPS122770  Salix gooddingii Jake Ruygt 2011-5-11 5783 Napa Putah Creek shoreline of Lake Berryessa, Berryessa Estates. Quad: Walter Springs. Comment
  CAS-BOT-BC108191  Salix hindsiana Paul H. Jr. Arnaud 1978-5-6 s.n. Napa Steele Resort Park, Lake Berryessa 100 Comment
  JEPS38362  Salix laevigata Willis L. Jepson 1903-9-6 2341 Napa St. Helena; Napa River Basin Comment
  UC1356330  Salix laevigata Theodore J. Crovello 1964-4-15 429 Napa along State Hwy. 128 200 yards w.of junction with Silverado Trail Comment
  UCD149598  Salix laevigata Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  CAS-BOT-BC107046  Salix lasiolepis C. R. Ball; H. E. Parks 1931-2-17 19 Napa One mile northwest of Calistoga Comment
  CAS-BOT-BC107047  Salix lasiolepis C. R. Ball; Harold E. Parks 1931-2-17 17 a Napa One mile northwest of Calistoga Comment
  UC507329  Salix lasiolepis Ira L. Wiggins 1932-3-12 5752 Napa 1 mi n Calistoga; North Fork of the Napa River Comment
  UCD111581  Salix lasiolepis C. R. Ball; H. E. Parks 1931-2-17 17 b Napa One mile northwest of Calistoga. Comment
  CAS-BOT-BC124410  Salix lasiolepis var. lasiolepis Ira L. Wiggins 1932-3-12 5752 Napa North fork of the Napa River, 1 mi. N. of Calistoga Comment
  OBI13529  Salvia sonomensis H. E. McMinn 1923-5-25 970 Napa Summit Wooden Valley Comment
Read comments
Dec 13 2012
  UC25738  Salvia sonomensis E. L. Greene 1892-4-20 Napa Calistoga Comment
  SEINET12323505  Salvia sonomensis W. Knight, Knight, I. 1982-1 4678 Napa Wooden Valley Road Comment
  UCD18043  Sanicula bipinnata Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 594 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
  UCD19954  Sanicula bipinnata E. A. Dean; Virginia Boucher 2002-2-28 906 Napa Quail Ridge Reserve. Where upper and lower trails meet, just S of powerlines near ridge tip. 274 Comment
  UCD48499  Sanicula bipinnatifida L. Wynholds; S. Du Plessis, B. Erickson, C. Malleck 2001-4-14 17 Napa Southwestern end of Lake Berryessa, Quail Ridge Reserve, along North Decker Canyon Rd., 10 feet N of stream. 152 Comment
  UCD48492  Sanicula crassicaulis A. Van Houtte; E. Leger and C. Hohn 2001-4-14 12 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, on W side of S. Decker Canyon Rd., in drainage at NW rim of stock pond in Decker Canyon, W and upslope from ruined cabins. 152 Comment
  UCD127970  Sanicula crassicaulis Joseph M. DiTomaso 1976-5-2 411 Napa 4 miles west of Monticello Dam on Highway 128, Lake Berryessa. Comment
  UCD47842  Sanicula tuberosa Robert Wolfson; J. Westbrook, S. Ratay, A. Houser, M. Disney, S. Wathen 2000-4-22 37 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles South of Berryessa-Knoxville Rd. Along east side of Devilhead Rd, 1st ridge south of Devilhead Rd. 518 Comment
  JEPS968  Sanicula tuberosa Willis L. Jepson 1893-3-13 14193 Napa e of St. Helena (Napa River Basin); Napa River Basin Comment
  POM133566  Sanicula tuberosa C. F. Baker 1903-4-20 10173 Napa Mt. St. Helena. Comment
  UC917106  Saxifraga californica P. B. Kaufman 1950-4-1 20 Napa Putah Canyon; Vaca Mountains, Putah Canyon Comment
  UCD17968  Scandix pecten-veneris Ellen Dean; Kate Mawdsley 2001-4-9 687 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UCD83666  Scandix pecten-veneris Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 1 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 175 Comment
  RSA121050  Schedonorus arundinaceus Glenn R. Hall 1956-4-23 s.n. Napa Napa. Comment
  CAS-BOT-BC283613  Schedonorus pratensis Peter H. Raven 1951-6-24 3001 Napa Napa 30 Comment
  UC683329  Scirpus acutus var. occidentalis A. A. Beetle 1940-5-5 1586 Napa one mi n of County line on road from Vallejo to Napa; n of County line Comment
  JEPS126132  Scleranthus annuus subsp. annuus Jake Ruygt 2010-6-21 5642 Napa Bear Valley north of pond. Detert Reservoir 7.5' Qua. Comment
  OBI9233  Scrophularia californica R. L. Hoover 1968-4-20 52 Napa Howell Mtn Rd, 2.6 mi NE of State Rts 29/128, on E side of rd Comment
  RSA491729  Scrophularia californica subsp. floribunda James L. Reveal 1987-6-7 6401 Napa Vaca Mountains, along the Mix Canyon Road, 5 miles west of Pleasant Valley Road, about 7 miles northwest of Vacaville. 762 Comment
  JEPS112643  Scutellaria californica Jake Ruygt 1992-6-11 3029 Napa below South lake, Wild Horse Valley Ranch 426 Comment
  UC1562603  Scutellaria siphocampyloides Barbara Ertter with Annetta Carter 1989-5-28 8504 Napa 4.7 mi s of Knoxville tunnel (Berryessa-Knosxville Road n of Lake Berryessa, along Eticuera Creek); Eticuera Creek 304 Comment
  RSA518791  Scutellaria siphocampyloides Barbara Ertter, Annetta Carter 1989-5-28 8504 Napa Berryessa-Knoxville Road N of Lake Berryessa, 4.7 miles S of Knoxville tunnel, along Eticuera Creek. 305 Comment
  JEPS122740  Sedella pumila Jake Ruygt 2011-5-15 5790 Napa Atlas Peak Road, Mead Ranch. Quad: Yountville. Comment
  CAS-BOT-BC417004  Sedella pumila A. A. Heller 1902-4-25 s.n. Napa unspecified Comment
  UCD170373  Sedum spathulifolium Daniel Potter; N Khuu, K Battenberg 2016-4-30 871 Napa Knoxville Wildlife Area, along Nevada Creek. 220 Comment
  RSA0074711  Sedum spathulifolium C. B. Wolf 1928-5-3 1837 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  UCD102078  Sedum spathulifolium R. H. Miller 1949-5-8 50 Napa approximately 10 miles northeast of Napa, on Highway 37. Comment
  HSC65069  Sedum spathulifolium var. spathulifolium J. P. Smith, J. O. Sawyer 1970-5-17 3773 Napa 3 mi. S of Pope Valley Comment
  UC2061491  Selaginella wallacei D. G. Kelch 2012-8-4 12 .253 Napa Above California Veteran's Home. Comment
  SEINET7072563  Senecio A. G. Vestal 1963-5-12 s.n. Napa Howell Mountain Road. Coordinate datum: NAD 27. UTM Zone 10, 548701mE, 4271193mN. Comment
  UCD118563  Senecio aronicoides Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. NE of fire station on south side of undeveloped road near dry ditch. 519 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
  RSA293005  Senecio eurycephalus Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 736 Napa Mt. Sant Helena; along the road on the south facing slope of the mountain. Comment
  CDA11136  Senecio vulgaris G. F. Hrusa, G. L. Stebbins, H. Townsend 1994-4-25 11826 Napa North Coast Biodiversity Arena; Mt. George Comment
  JEPS110710  Sidalcea diploscypha Jake Ruygt 1978-5-21 324 Napa 2.9 miles east of Silverado Trail on Sage Canyon Rd. 97 Comment
  JEPS110706  Sidalcea hartwegii Jake Ruygt 1985-5-18 1595 Napa west of Veteran's Home toward L. Hinman 182 Comment
  JEPS110708  Sidalcea hartwegii Jake Ruygt 1989-6-6 2364 b Napa 4.5 miles north of Monticello Rd. on Atlas Peak Rd. 448 Comment
  UCD116745  Sidalcea hartwegii Jake A. Ruygt 1975-5-17 37 Napa above south wall of canyon, Milliken Creek, 4.5 miles south of Trancas Street and State Highway 29 intersection. 60 Comment
  UCD167288  Sidalcea hartwegii Jake Ruygt 1982-4-18 1190 Napa Calistoga Grade on Mount St. Helena. 353 Comment
  UCD170154  Sidalcea keckii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 784 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 429 Comment
  UCD170376  Sidalcea keckii Daniel Potter; N Khuu 2016-5-8 873 Napa Knoxville Wildlife Area, west of Berryessa-Knoxville Road along trail from Zim Zim Falls trailhead to lower Nevada Creek, just west of tributary to Nevada Creek. 281 Comment
  JEPS110723  Sidalcea malviflora subsp. laciniata Jake Ruygt 1976-4-23 13 Napa .2 miles south of Oak Knoll Ave. on Silverado Trail 19 Comment
  UC18857  Sidalcea malviflora subsp. laciniata Willis L. Jepson 1893-4-26 Napa Vineland Napa River Basin, Vineland Comment
  UC161053  Silene antirrhina Joseph P. Tracy 1902-5-16 1496 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mt., Moore's Creek 457 Comment
  JEPS106852  Silene californica Jake Ruygt 1980-6-22 942 Napa .1 mile south of Snell Valley Rd. on Butts Canyon Rd. 198 Comment
  UCD18134  Silene gallica Jean Shepard; with PLB 102 class 2000-4-29 183 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-BC389182  Silene laciniata subsp. californica Alice Eastwood; John Thomas Howell 1939-6-11 7429 Napa Hills west of Calistoga Comment
  UCD37128  Silene laciniata subsp. californica Beecher Crampton 1957-6-4 4095 Napa Napa County, north end of Capell Valley, above Capell Creek. Comment
  CAS-BOT-BC74904  Sinapis arvensis Peter H. Raven 1952-5-29 4073 Napa Napa River 1 mile north of Napa. 60 Comment
  SEINET3876398  Sisyrinchium bellum J. F. Addicott 1965-3-19 6 Napa Dollarhide Road, 3.5 miles east of Pope Valley.; 0 183 Comment
  UCD138833  Sisyrinchium bellum H. Popenoe 1949-5-1 20 Napa on eastern exposure; one mile from Pope Valley on road to St. Helena. Comment
  UCD170211  Sisyrinchium bellum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 746 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 408 Comment
  UCD18175  Sisyrinchium bellum Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCD18366  Sisyrinchium bellum R. Wenk 2000-5-14 3 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  UCD35481  Sisyrinchium bellum Beecher Crampton 1957-4-15 3929 Napa Napa County; Vaca Mtns., Markley Canyon. Comment
  UCD48248  Sisyrinchium bellum R. Brush; A. Atamian, C. Owens, S. Olmsted, M. Furuyama 2000-4-29 12 Napa The border between Yolo and Napa counties, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burn area (burned Oct 1999). 640 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
  UCD81442  Sisyrinchium bellum M. Wiesendanger 1927-5-4 s.n. Napa Near Monticello. Comment
  JEPS64270  Sisyrinchium bellum Willis L. Jepson 1893-4-25 Napa w of St. Helena (trail to Beaux's Cabin); Napa River Basin Comment
  RSA201767  Sisyrinchium bellum Dave Warfield 1964-5-8 20 Napa State Highway 128, 5.3 miles southwest of Monticello Dam Comment
  JEPS110918  Solanum rostratum Jake Ruygt 1984-6-30 1579 Napa Pope Valley Middle Rd. 195 Comment
  UCD148992  Solanum rostratum R. Breckenridge 2010-9-29 PDR 505910 4 Napa Lake Berryessa. 145 Comment
  UCD127010  Solanum rostratum Baade 1925-8-24 s.n. Napa Napa Comment
  CAS-BOT-BC154696  Solanum umbelliferum C. Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC231733  Solanum umbelliferum Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  UCR242098  Solanum umbelliferum Katherine Countrey 1983-4-22 004 Napa c. 8 mi east of Winters on Hwy 128 at the Monticello Dam Parking area 136 Comment
  JEPS47332  Solanum umbelliferum L. R. Heckard and R. Bacigalupi 1965-5-15 1460 Napa about 5 mi s of Knoxville ( along Nevada Creek); Nevada Creek 304 Comment
  CAS-BOT-BC365095  Solidago velutina subsp. californica John Thomas Howell 1933-8-27 11626 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC365096  Solidago velutina subsp. californica John Thomas Howell 1933-8-27 11635 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC365097  Solidago velutina subsp. californica Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville Comment
  UCD161737  Solidago velutina subsp. californica Jake Ruygt 1992-7-10 3078 Napa Yountville Ecological Reserve, Yountville Crossroad. 25 Comment
  UCD159465  Sonchus asper subsp. asper D. S. Park 2010-8-13 219 Napa St. Helena. Along Fulton Ln. Growing in the fringes of orchards. 71 Comment
  CAS-BOT-BC235282  Sorghum bicolor J. H. Thomas 1960-8-29 8835 Napa About 1 mile north of Calistoga along highway number 53 Comment
  CAS-BOT-BC235337  Sorghum halepense James H. Kavanagh 1921-10-1 s.n. Napa Napa Comment
  CAS-BOT-BC5578  Sparganium californicum E. L. Greene s.n. Napa Calistoga Comment
  CHSC84564  Spergularia macrotheca var. longistyla John Dittes 2003-4-5 2003 -9 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
  HSC4242  Spergularia macrotheca var. longistyla Elsa Kraeger 1926-3-27 Napa Field near geyser, Calistoga Comment
  UCD166675  Stachys ajugoides Jake Ruygt 1982-6-21 1339 Napa Suscol plain, just east of steel mill, Rocktram. 2 Comment
  JEPS63063  Stachys ajugoides var. rigida W. L. Jepson 1936-5-31 17575 Napa La Jota plateau Howell Mtn. Comment
  JEPS112628  Stachys albens Jake Ruygt 1979-6-18 712 Napa corner of Snell Valley Rd. and Butts Can yon Rd. 195 Comment
  SEINET9308544  Stachys bullata Unknown 1998-5-12 10 Napa Napa County Comment
  RSA10668  Stachys bullata Carl B. Wolf 1928-5-3 1821 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  HSC99327  Stachys rigida C. B. Wolf 1928-5-3 1821 Napa Hawkins Mt. Inn Camp, Mt. St. Helena Grade Comment
  UCD13127  Stachys rigida Kathleen Worden 1981-5-24 11 Napa Napa CO. Highwy 128, 2.2 miles southeast of Moskowitz Corner, Comment
  CAS-BOT-BC386933  Stellaria media Ira L. Wiggins 1928-3-25 2874 Napa Roadside 1 1/2 mi. N.E. of Calistoga Comment
  UC127179  Stephanomeria elata Harley P. Chandler Sep 7 1906-Sep 14 1906 7129 Napa Alta Loma Ranch Howell Mountain 487 Comment
  SACT002371  Stipa lepida John Willoughby 1977-4-27 Napa Along State Highway 128 near Monticello Dam, northwest facing slope on south side of highway. Comment
  UCR146180  Stipa lepida Beecher Crampton 1967-6-20 8131 Napa Inner North Coast Ranges, Martley [??] Canyon summit, Vaca Mountains 335 Comment
  UCD161865  Streptanthus James A. Neilson Jr. 1979-6-30 3981 Napa Knoxville. Serpentine ridge forming south west side of Manhattan Mine. (Manhattan Mine is now known as Homestake McLaughlin Mine. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC61252  Streptanthus breweri John Thomas Howell 1937-7-18 13101 Napa Mount Saint Helena Creek. North Napa county. Comment
  UC1492725  Streptanthus breweri var. breweri Freed W. Hoffman 1952-5-24 4166 Napa 7.8 mi w junction to Monticello Road; North Coast Ranges, Sage Canyon Comment
  UC1198806  Streptanthus breweri var. hesperidis Joseph P. Tracy 1902-5-16 1488 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  CAS-BOT-BC87156  Streptanthus glandulosus subsp. glandulosus David D. Keck 1931-4-3 1065 Napa Pope Creek Canyon, 8 miles northwest of Monticello. Comment
  CAS-BOT-BC87157  Streptanthus glandulosus subsp. glandulosus David D. Keck 1933-5-29 2370 Napa Pope Creek Bridge, south of Walters Springs. Comment
  JEPS106603  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1998-5-20 3990 Napa Blue Ridge, +/-1.5 mi north of Mays Flat 548 Comment
  JEPS129170  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2015-4-20 6075 Napa Fernandes/ Land Trust, Snell Peak area. Aetna Springs 7.5' Quad. Comment
  JEPS84639  Streptanthus glandulosus subsp. glandulosus John W. Willoughby 1977-4-20 2145 Napa w side of ridge below and just to s Mount Vaca; Vaca Mountains, Blue Ridge 457 Comment
  UCD116018  Streptanthus glandulosus subsp. glandulosus Bill Wengeler 1995-4-30 s.n. Napa 2 miles north of Highway 128 along Knoxville Road. 183 Comment
  UCD74407  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1986-3-29 1677 Napa Devilshead Rd. area; 'sensitive plant canyon. 420 Comment
  UCD81180  Streptanthus glandulosus subsp. glandulosus Roger Willmarth; A. Fulks 2009-4-10 s. n. Napa Inner North Coast Range along Napa/Yolo County border. Blue Ridge on the east side of Lake Berryessa, north of Green Canyon. 487 Comment
  UCD160653  Streptanthus hesperidis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8739 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  CAS-BOT-BC87394  Streptanthus morrisonii Lawrence LaPre'; Robin Bjork 1986-7-12 s.n. Napa Headwaters of Rare Plant Canyon, an unnamed tributary of Hunting Creek. 426 Comment
  JEPS106598  Streptanthus morrisonii Jake Ruygt 1997-5-3 3844 Napa Sensitive plant canyon, NW of Knoxville site. 402 Comment
  JEPS106596  Streptanthus tortuosus var. tortuosus Jake Ruygt 1990-4-28 2509 Napa Mt. St. Helena, along fire trail 963 Comment
  JEPS12886  Symphoricarpos albus var. laevigatus Willis L. Jepson 1893-6-26 Napa hills e St. Helena; Napa River Basin Comment
  CAS-BOT-BC97736  Symphyotrichum chilense Peter H. Raven 1951-6-26 3091 Napa Cappell Valley to Wooden Valley 329 Comment
  LA203051  Symphyotrichum lentum Milo S. Baker; 1932-9-24 6028 Napa southern outskirts of Napa City Comment
  JEPS122694  Symphyotrichum spathulatum Jake Ruygt 1981-6-18 1054 Napa 0.3 miles east of Flosden Road in American Canyon Road. Quad: Cordelia. Comment
  JEPS40793  Symphyotrichum spathulatum Willis L. Jepson 1893-9-24 Napa Howell Mt. Comment
  JEPS40796  Symphyotrichum spathulatum W. L. Jepson 1893-9-21 Napa Wooden Valley Comment
  JEPS104533  Symphyotrichum subulatum Jake Ruygt 1987-10-17 2110 Napa Fagan's Marsh 0 Comment
  JEPS120336  Taraxia ovata Jake Ruygt 1990-4-1 2452 Napa White Creek, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  UC107641  Taraxia ovata Mrs. K. Curran Sept. 1888 Napa Howell Mountain Comment
  JEPS110689  Tetrapteron graciliflorum Jake Ruygt 1988-5-29 2205 Napa Devilshead Rd. at Berryessa-Knoxville Rd NW corner 457 Comment
  UCD167261  Tetrapteron graciliflorum Jake Ruygt 1992-3-28 2865 Napa Snell Valley just west of Stagecoach Canyon Road. 195 Comment
  UC9704  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-5-1 Napa Upper Conn Valley Napa River Basin Comment
  UC1197483  Thermopsis californica var. californica Joseph P. Tracy 1933-4-30 12103 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  UCD148806  Thermopsis californica var. californica Ellen Dean; Diana Hickson 2014-4-29 8113 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD159727  Thermopsis californica var. californica G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Redwoods. Comment
  JEPS65661  Thermopsis macrophylla var. macrophylla Willis L. Jepson 1893-4-28 13585 Napa near Napa; Napa River Basin, Lower Napa Valley Comment
  SEINET7075534  Thermopsis macrophylla var. venosa 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
  CAS-BOT-BC66503  Thysanocarpus curvipes Peter H. Raven 1953-5-2 5380 Napa Hills due east of Yountville. 243 Comment
  CAS-BOT-BC66516  Thysanocarpus curvipes Ira L. Wiggins 1928-3-24 2866 Napa Grade on old road to Lake county above 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
  CHSC43429  Thysanocarpus curvipes Lowell Ahart 1976-3-7 1028 Napa About 2 miles south-west of Monticello Dam. 152 Comment
  JEPS106589  Thysanocarpus curvipes Jake Ruygt 1996-4-12 3606 Napa Blue Ridge, north of Monticello Dam. Rockwell Gap area 615 Comment
  UC650402  Thysanocarpus curvipes Ira L. Wiggins 1928-3-24 2866 Napa grade on old road to Lake Co. above Calistoga Comment
  UCD19948  Thysanocarpus curvipes Ellen Dean; Virginia Boucher 2002-2-28 897 Napa Quail Ridge Reserve. Along West Rd., 0.9 airline miles NNW of junction of West Rd and Decker Canyon trail. 274 Comment
  JEPS54153  Thysanocarpus curvipes Willis L. Jepson 1893-5-1 27 d Napa creek bottom w Calistoga; Napa River Basin, w of Calistoga Comment
  SEINET8727857 Image available Thysanocarpus curvipes Laura Zeller 1965-1 33 Napa Ca. 1/2 mile E of Junction of Pope Valley Road and Butts Canyon Road on Butts Canyon Road. Elevation ca. 700 feet. 213 Comment
  UCD115927  Thysanocarpus curvipes K. Esau 1933-4-14 s.n. Napa Near Petrified Forest, Calistoga. Comment
  UCD41232  Thysanocarpus curvipes Gary Fugle 1976-4-11 11 Napa On west side of road, 3 miles west of Hwy 12P and Hwy 121 junction on Hwy 128. 152 Comment
  JEPS26171  Tonella tenella Joseph P. Tracy 1902-5-14 1444 Napa 1 mi from St. Helena (on Howell Mt road); Northern Coast Ranges, Napa Valley 91 Comment
  JEPS63924  Toxicodendron diversilobum W. L. Jepson 1915-4-23 6239 Napa hills e St. Helena (Howell Road); hills e <of> St. Helena Comment
  JEPS63927  Toxicodendron diversilobum W. L. Jepson 1915-4-22 6231 Napa hills east St. Helena Comment
  UCD67492  Toxicodendron diversilobum D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. Quercus wislizenii and Quercus douglasii woodland in eastern slopes. 350 Comment
  UCD159912  Toxicoscordion fremontii 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 and west of Q42 or Q43. 243 Comment
  UCD139880  Toxicoscordion venenosum var. venenosum P. B. Kennedy 1929-5-23 s.n. Napa St. Helena highway to Pope Valley. Comment
  JEPS36858  Tragopogon porrifolius W. L. Jepson 1923-6-3 9980 Napa Napa Comment
  UCD166641  Trichostema lanceolatum Jake Ruygt 1981-7-31 1085 Napa Suscol plain near Kaiser Steel (Rocktram). 1 Comment
  JEPS63150  Trichostema laxum Alice King Jul 1919 Napa Van Ness ranch, Mt. St. Helena Comment
  UCLA54888  Trichostema laxum John Thomas Howell 1927-8-24 3046 Napa near Pope Valley Creek below Walters Springs Napa Range Comment
  JEPS108656  Trichostema ruygtii Jake Ruygt 2004-8-7 4640 Napa Green Valley Ranch near Solano Couny line. 316 Comment
  JEPS108658  Trichostema ruygtii Jake Ruygt 2004-7-31 4638 Napa NW of; ; NW of Buzzard's Roost, N end of Stag's Leap. Yountville Quad Comment
  RSA731087  Trichostema ruygtii Jake Ruygt 2004-8-7 4640 Napa Green Valley Ranch near Solano County line. 317 Comment
  CHSC25145  Trientalis latifolia J. E. Beitler 1970-4-19 27 Napa St. Helena. Locally abundant in area directly between York Creek and gate at road to Spring Mountain Conversion dam, on Spring Mountain Road. Comment
  JEPS106689  Trifolium albopurpureum var. albopurpureum Jake Ruygt 1980-4-13 833 Napa Snell Valley 237 Comment
  UC160916  Trifolium albopurpureum var. albopurpureum Joseph P. Tracy 1902-5-15 1482 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); North Coast Ranges, Howell Mtn 365 Comment
  JEPS65847  Trifolium albopurpureum var. dichotomum Willis L. Jepson 1894-5-1 13637 Napa Conn Valley Napa River Basin Comment
  UC160915  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1902-5-18 1542 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 518 Comment
  JEPS65844  Trifolium albopurpureum var. dichotomum Willis L. Jepson 1893-5-8 13665 Napa below New Eden (Howell Mtn); Napa River Basin Comment
  JEPS106696  Trifolium bifidum var. bifidum Jake Ruygt 1977-4-3 169 Napa Green Creek area east of Lake Berryessa 259 Comment
  UCD170669  Trifolium bifidum var. bifidum 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 160 Comment
  RSA91562  Trifolium bifidum var. decipiens Unspecified 1931-4-2 6093 Napa 10 miles east of Napa on road to Monticello, Napa Range. Comment
  POM182743  Trifolium ciliolatum D. D. Keck 1931-4-2 1041 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  UCD108358  Trifolium depauperatum var. amplectens D. C. Finfrock 1950-4-6 21 Napa 14 miles from Monticello, Pope Valley. Comment
  UC188495  Trifolium depauperatum var. depauperatum Edw. L. Greene 1895-4-1 Napa Napa Valley Comment
  UC555402  Trifolium depauperatum var. depauperatum H. L. Mason 1928-4-13 4336 Napa near spring (Reili School) Comment
  RSA91082  Trifolium depauperatum var. truncatum J. T. Howell 1931-4-4 6172 Napa Upper Napa Valley at Big Geyser Comment
  UCD21503  Trifolium depauperatum var. truncatum Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4405 Napa Quail Ridge Reserve. 262 Comment
  RSA10688  Trifolium dichotomum Carl B. Wolf 1928-5-3 1799 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD33087  Trifolium dichotomum Beecher Crampton 1966-5-10 7712 Napa 4 miles NW of Moskowite Corner on State Hwy. 128. Comment
  UCR141074  Trifolium dichotomum Beecher Crampton 1955-4-7 2439 Napa Inner North Coast Ranges, 0.25 mile northwest of Knoxville 457 Comment
  UCR146187  Trifolium dichotomum Beecher Crampton 1967-5-11 7918 Napa Inner North Coast Ranges, 4.5 miles east of Rutherford, south slope, Conn Reservoir 122 Comment
  UCD141586  Trifolium fucatum Ellen Dean 2013-4-27 7707 Napa Las Posadas State Experimental Forest. Recreation Flat. 396 Comment
  JEPS106811  Trifolium glomeratum Jake Ruygt 1983-5-1 1449 b Napa Suscol Ridge east side of HWY 29 (221) 28 Comment
  UCR91212  Trifolium glomeratum A. C. Sanders 1996-6-1 18194 Napa Napa, SE edge of town at Skyline Park, E end of Imola Road East. 91 Comment
  JEPS106710  Trifolium microcephalum Jake Ruygt 1980-5-3 867 Napa Oat Hill Mine Rd. at Twin Peaks 755 Comment
  JEPS65986  Trifolium microdon W. L. Jepson 1938-5-20 18805 Napa above St. Helena Sanitarium (above the vineyard of John Ballentine); Howell Mtn Comment
  POM349632  Trifolium microdon J. T. Howell 1934-3-26 s.n. Napa Calistoga geysers. Comment
  UCD83419  Trifolium microdon Jake Ruygt 1992-4-29 2915 Napa Johnson's Meadow, Wild Horse Valley Ranch. 420 Comment
  JEPS129046  Trifolium obtusiflorum Jake Ruygt 2016-6-11 6283 Napa Smittle Creek, east side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD83423  Trifolium oliganthum Jake Ruygt 2003-5-17 4526 Napa Devil's Canyon, NW of 'The Crags' area of Archer Taylor Preserve. 603 Comment
  UCD111357  Trifolium olivaceum M. Wiesendanger 1926-4-1 1491 Napa location unknown. Comment
  POM126206  Trifolium olivaceum var. olivaceum C. F. Sonne 1888-04 183 Napa Napa Comment
  SEINET7545186  Trifolium petrophilum C. F. Baker 1903-1 2625 Napa Mt. St. Helena Comment
  JEPS126125  Trifolium resupinatum Jake Ruygt 2006-5-18 5031 Napa Airport Road on south side, about 0.1 mile west of Highway 29. Cuttings Wharf 7.5' Qua. Comment
  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
  UCD17991  Trifolium subterraneum Ellen Dean; with Plant Biology 102 class 2001-4-14 717 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along South Decker Canyon Rd., just down slope from jct. with Decker Ridge Rd. 335 Comment
  UCD170428  Trifolium tomentosum Daniel Potter; Daniel McNair 2016-4-23 921 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  UC1103454  Trifolium variegatum Joseph P. Tracy 1902-5-17 1518 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mtn 365 Comment
  UCD38371  Trifolium variegatum Beecher Crampton 1955-4-4 2389 Napa 2 miles north of Calistoga. Meadow supplied by waters of the Myrtledale Hot Springs. Comment
  UC1103450  Trifolium variegatum var. variegatum Joseph P. Tracy 1903-5-22 1884 Napa on Eel River (Alder Point); Northern Coast Ranges 152 Comment
  HSC2110  Trifolium willdenovii C. B. Wolf 1928-5-3 1785 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  JEPS106753  Trifolium willdenovii Jake Ruygt 1995-4-17 3432 Napa end of Niebaum Rd., Rutherford. 82 Comment
  UCD33552  Trifolium willdenovii Beecher Crampton 1969-10-14 8522 Napa Napa County, 1.5 miles west of Monticello Dam on Hwy. 128. Comment
  UCD49036  Trifolium willdenovii C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 15 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Between West Rd. and Decker Bay Trail, approx. 200' NW of jct of West Rd. and Decker Bay Trail; approx. 300' N of creek. 167 Comment
  HSC15179  Trifolium willdenovii Greg Bos 1963-3-30 50 Napa 1.6 mi. up Old Toll Rd. out of Calistoga 305 Comment
  JEPS48858  Trifolium willdenovii Elsa Kraeger 1926-3-27 Napa near Soscol (along rd) Comment
  POM182732  Trifolium willdenovii D. D. Keck 1931-4-2 1053 Napa 4 miles S of Monticello, eastern Napa County. Comment
  UCD109882  Trifolium willdenovii R. L. Smith 1948-5-1 s.n. Napa Northern part of county, Monticello Valley. Comment
  CAS-BOT-BC520829  Trillium albidum Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  JEPS11784  Triodanis biflora W. L. Jepson 1896-6-2 Napa Napa Valley Comment
  JEPS74862  Triphysaria T. I. and F. M. Chuang 1975-5-4 7502 Napa on highway 29, 4.2 mi s Napa Comment
  JEPS110673  Triphysaria eriantha Jake Ruygt 1979-4-6 479 Napa .3 mile east of Butts Canyon Rd. on Snell Valley Rd. 188 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
  JEPS16798  Triphysaria eriantha subsp. eriantha Rimo Bacigalupi with John Dawson 1955-4-25 4846 Napa near junction of Lower Lake road with Calif. Highway 128 in Monticello Valley; field in Monticello Valley 94 Comment
  SEINET5738473 Image available Triphysaria eriantha subsp. eriantha Stan Logan 1965-1 8 Napa Dollarhide Road, ca. 3 miles east of Pope Valley.; Pope Valley Comment
  UC194178  Triphysaria eriantha subsp. eriantha C. F. Sonne April 1896 Napa near Napa Junction; near Napa Junction Comment
  JEPS110675  Triphysaria pusilla Jake Ruygt 1979-4-17 523 a Napa north of Suscol Hill 24 Comment
  JEPS3983  Triphysaria pusilla W. L. Jepson 1910-3-28 4027 Napa Rebecca Ranch grade sw Calistoga; sw of Calistoga Comment
  JEPS11171  Triphysaria versicolor subsp. faucibarbata R. F. Hoover 1941-4-26 4921 Napa Pope Valley Comment
  UCD123419  Triphysaria versicolor subsp. faucibarbata G. F. Hrusa 1995-4-2 12047 Napa southeast corner of Chiles-Pope Valley Road, and Hwy 128 heading up Salt Canyon, upper end of Hennessey Res. 200 Comment
  HSC60268  Triphysaria versicolor subsp. faucibarbata R. W. Spjut 1979-4-8 5454 Napa Within Napa city limits just off Hwy. 121 Comment
  JEPS10433  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1937-5-15 18781 Napa (Field 1/2 mi n) Napa Wye; Napa Wye (field 1/2 mi n) Comment
  JEPS86221  Triphysaria versicolor subsp. faucibarbata L. R. Heckard 1970-5-4 2447 Napa n side of Kelly Rd 0.5 mi n of CA Hwy 12 near junction of Hwy 12 and Hwy 29 ca 10 mi n Vallejo Comment
  CAS-BOT-BC199578  Trisetum canescens Peter H. Raven 1952-5-31 4156 Napa Rector Dam 152 Comment
  UCD73052  Trisetum canescens Ellen Dean; S. Rae 2008-5-21 4971 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 213 Comment
  UCD93502  Trisetum canescens Beecher Crampton 1956-5-25 3486 Napa Howell Mtns. Comment
  JEPS110904  Triteleia hyacinthina Jake Ruygt 1977-5-3 211 Napa 1.6 miles north of Monticello Rd. on Atlas Peak Rd. 54 Comment
  SEINET3889059  Triteleia laxa R. Blenkush, S. Hee; C. McWhorter; J. Moeller 2000-4-22 18 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road.; 0 411 Comment
  UCD117784  Triteleia laxa Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCR178675  Triteleia laxa Kook-Hyun Chung, M. Hauselt, C. Ineich, J. Deusterman 2001-4-28 001 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
Read comments
Jan 20 2009
  UCD139379  Triteleia laxa Alan P. Godlewski 1974-5-3 10 Napa west of Lake Berryessa, 800 yards from Highway 128. Comment
  UCD148739  Triteleia lugens Jake Ruygt 1989-5-13 2322 Napa Napa County; Vaca Mtns. About 1 mile north of Mt. Vaca. 822 Comment
  IRVC27660  Triteleia peduncularis Robert F. Hoover 1938-6-8 3541 Napa S Fork of Butts Creek. Comment
  JEPS62187  Triteleia peduncularis W. L. Jepson 1938-6-8 18892 Napa South Fork of Butts Creek Butts Canyon Comment
  RSA115536  Tropidocarpum gracile Beecher Crampton 1957-4-15 3931 Napa Along the road, E slope of Wrag Canyon, Vaca Mtns. Comment
  CAS-BOT-BC91202  Umbellularia californica Elsa G. Ruckert 1960-2-27 7 Napa 6495 Dry Creek Road. 365 Comment
  JEPS40103  Umbellularia californica W. L. Jepson 1937-4-9 17998 Napa Howell Mountain, St. Helena, 1/4 mi below summit St. Helena; Howell Mountain, St. Helena Comment
  UC483307  Umbellularia californica Ira L. Wiggins 1932-3-12 5754 Napa 1 mi n of Calistoga (North Fork of Napa River); North Fork of Napa River Comment
  JEPS35616  Uropappus lindleyi Willis L. Jepson 1893-5-2 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  UCD69021  Uropappus lindleyi P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. UTM: 10SEN6659 155 Comment
  JEPS11197  Verbascum thapsus W. L. Jepson 1930-10-19 15706 Napa bed of Conn Creek at mouth of Sage Canyon (Napa Valley); , bed of Conn Creek at mouth Sage Canyon Comment
  JEPS115741  Veronica anagallis-aquatica Lowell Ahart 2009-10-12 16453 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Win 133 Comment
  JEPS110605  Veronica catenata Jake Ruygt 2004-6-12 4616 Napa 3/4 mi E of Blue Monday Mine 335 Comment
  UC1949226  Veronica catenata Barbara Ertter with Elizabeth Neese 1988-10-2 7952 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on N side of Rt 128 Comment
  JEPS110575  Veronica peregrina subsp. xalapensis Jake Ruygt 1996-5-13 3663 b Napa .9 mile south of Pope Canyon Road on Hardin Road. 183 Comment
  UC917283  Veronica persica M. R. Wanzer 1948-5-22 27 Napa 12.5 mi w of Winters (Putah Creek Canyon); Putah Creek Canyon Comment
  JEPS106822  Viburnum ellipticum Jake Ruygt 1999-6-9 4187 Napa Skyline Park, Marie Creek Road. 219 Comment
  UCD148746  Viburnum ellipticum Jake Ruygt 1986-5-7 1752 Napa Napa County, Skyline Park. About 0.5 miles north of Lake Marie on fire trail. 213 Comment
  JEPS129174  Vicia americana Jake Ruygt 2015-3-16 6042 Napa Sutro Ranch, Atlas Peak. Yountville 7.5' Quad. Comment
  UCD108688  Vicia americana subsp. americana K. Esau 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  JEPS106543  Vicia americana var. americana Jake Ruygt 1979-5-20 611 Napa 1 mile north of College Ave. on Howell Mtn. Rd. 548 Comment
  UCD83431  Vicia sativa subsp. nigra Jake Ruygt 1986-5-29 1797 Napa Mt. George. 307 Comment
  SEINET9330677  Vicia villosa Unknown 1996-3-1 29 Napa On NE side of Knoxville Road on SW side of Lake Bereyessa. Disturbed, roadside area, full sun, little moisture, dominant species Vicia villosa. Comment
  CHSC20644  Vicia villosa subsp. varia Robert A. Schlising; Greg Bos 1963-3-30 2474 Napa Junction of Pope Valley Road and Lower Chiles Valley Road. Comment
  UCD48004  Vicia villosa subsp. villosa A. Miles; E. Anderson, L. Lina, J. Waggoner, and R. Wenk 2000-4-22 26 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  CDA11439  Viola lobata G. F. Hrusa, M. Tu 1995-5-6 12162 Napa North Coast Biodiversity Arena; Summit of Howell Mtn. in Las Posadas State Forest, vicinity of fire station. Comment
  UCD67977  Viola lobata Linda A. Bell 1975-5-18 151 Napa Oakville Grade, 5.7 miles W of junction with Highway 29. 381 Comment
  CAS-BOT-BC537071  Viola lobata Alice Eastwood 1918-5-1 6823 Napa Mt. St. Helena Comment
  CAS-BOT-BC537082  Viola lobata L. R. Abrams 1928-5-3 12240 Napa Summit St. Helena Grade Comment
  UC135818  Viola lobata subsp. integrifolia Joseph P. Tracy 1902-5-15 1450 1/2 Napa at head of Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  UC1300830  Viola ocellata Helen K. Sharsmith 1962-6-3 5119 Napa Trinity-Dry Creek road; San Francisco Bay Region 457 Comment
  JEPS110819  Viola purpurea subsp. quercetorum Jake Ruygt 1980-5-4 875 Napa Bateman Creek 594 Comment
  <