Search Results — 2000 specimen records retrieved (1490 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/consortium/).
 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
  SEINET3221127 Image available Abies Royal D. Suttkus 1967-6-26 67- 30 -9 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  CHSC102280  Abutilon theophrasti Lowell Ahart 2009-10-27 16497 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS122719  Abutilon theophrasti Jake Ruygt 1996-9-2 3767 Napa SW corner, Silverado Trail at Pope Street, St. Helena. Quad: St. Helena. Comment
  SEINET2043780 Image available Acer macrophyllum Royal D. Suttkus 1967-6-26 673021 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UCD148566  Acer macrophyllum Jake Ruygt 1976-4-15 9 Napa Napa County; 0.5 miles north of Angwin on Howell Mt. Road. 512 Comment
  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
  OBI17140  Achillea millefolium R. L. Hoover 1968-4-20 50 Napa On Howell Mtn Rd, 2.6 mi NE of State Rte 29/128, on E side of rd Comment
  RSA786931  Achillea millefolium var. borealis Carrie A. Herd 1982-5-9 98 Napa Sage Canyon Road, Con Dam area 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
  UCD73927  Achnatherum coronatum G. Ledyard Stebbins 1966-5-28 6426 Napa Markley Canyon. Comment
  CAS-BOT-BC218684  Achnatherum lemmonii F. H. Utech; W. Knight; I. Knight; S. Edwards 1986-5-19 86 -300 Napa Robert Lewis Stevenson State Park Trail to the pallisades, trailhead on CA Hwy 29 near St. Helena Creek, S. Edwards SWE 85.101 750 Comment
  JEPS36719  Achyrachaena mollis W. L. Jepson 1897-5-2 Napa St. Helena Comment
  UCD18178  Achyrachaena mollis 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
  RSA424737  Achyrachaena mollis Aaron Liston 1987-4-25 661 -2 Napa NE side of Lake Hennessey, Conn Valley Road. Comment
  UCD63351  Acmispon americanus var. americanus Daniel Sanchez-Mata 2006-6-15 s.n. Napa Moskowite Corners-Spanish Flat. Capell Valley. Capell Valley Road close to Capell Creek. 200 Comment
  UCD159936  Acmispon brachycarpus Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD47974  Acmispon brachycarpus Michele Disney; J. Westbrook,S. Ratay, R. Wolfson,A. Houser,S. Wathen 2000-4-22 15 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  JEPS129042  Acmispon glaber Jake Ruygt 2016-6-5 6273 Napa Amy's Grove, near 5700 Dry Creek Road. Rutherford 7.5' Quad. Comment
  UCD104111  Acmispon glaber Beecher Crampton 1959-5-26 5257 Napa Martley Canyon, Vaca Mountains. Along State Hwy. 128. Comment
  UCD149694  Acmispon parviflorus 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
  UCD18629  Acmispon parviflorus Roman Gankin 1957-5-30 226 Napa 5.1 mi. west of Monticello Dam, just off of highway on top of hill. Comment
  UCD47975  Acmispon wrangelianus Robert Wolfson; J. Westbrook,S. Ratay,A. Houser,M. Disney,S. Wathen 2000-4-22 40 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd. Along Old Knoxville Rd. 396 Comment
  UCD161688  Acmispon wrangelianus Jake Ruygt 2009-4-8 5395 Napa north side of American Canyon, west of Highway 80. 158 Comment
  CDA25688  Adenostoma fasciculatum H. Stabo 1965-2-18 Napa Conn Valley, St. Helena. 0 Comment
  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
  UCD49134  Adenostoma fasciculatum Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 3 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct with S. Decker Canyon Rd. 228 Comment
  CAS-BOT-BC65668  Adiantum jordanii John H. Thomas 1955-5-21 5149 Napa Along State Highway No. 128, about 4.5 miles south of Monticello 167 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
  RSA60347  Aesculus californica G. R. Campbell 1948-6-18 660 Napa 10 miles south of Montecello. Comment
  UCD136678  Aesculus californica David Lawfer 1952-5-4 161 Napa Napa. Comment
  UCD63060  Agoseris grandiflora Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 200 Comment
  UC1301062  Agoseris grandiflora var. grandiflora Helen K. Sharsmith 1962-6-3 5104 Napa Napa-Soda Springs Rd. San Francisco Bay Region 152 Comment
  JEPS104511  Agoseris heterophylla Jake Ruygt 1994-5-17 3378 Napa Barnett Road, Pope Valley, Juliana Vineyards. 252 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
  UCD128604  Agoseris heterophylla Heidi E. M. Dobson 1978-6-20 344 Napa East slope of Mt. Veeder. Comment
  UCD128611  Agoseris heterophylla Jerald W. Riekels 1961-4-29 29 Napa Wragg Canyon, 0.25 mile from State Highway 128. 121 Comment
  CAS-BOT-BC46060  Agoseris heterophylla var. cryptopleura David D. Keck 1933-5-29 2347 Napa Pope Creek bridge south of Walters Springs Comment
  UC165998  Agoseris heterophylla var. cryptopleura J. P. Tracy 1902-5-21 1602 Napa 3 to 4 mis e, (head of Moore's Cr) Angwin's; Howell Mt., Moore's Creek 426 Comment
  UC635556  Agoseris hirsuta Herbert L. Mason 1926-3-20 2748 Napa marshes s of, along railroad right of way Calistoga 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
  UC766831  Agrostis exarata R. F. Hoover 1941-5-10 5007 Napa between St. Helena and Calistoga Comment
  UCD52327  Agrostis exarata B. Crampton 1955-6-8 2830 Napa Sonoma - Napa County border: along State Hwy. 128, 5 mile northwest of Calistoga. Comment
  UCD52404  Agrostis exarata B. Crampton 1954-6-25 2012 Napa 3 miles south of Calistoga. Comment
  UC1103385  Agrostis microphylla Joseph P. Tracy 1899-7-5 344 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mt., head Moore's Creek 365 Comment
  UCD37941  Agrostis microphylla Beecher Crampton 1962-5-8 6415 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  CAS-BOT-BC139014  Agrostis pallens Peter H. Raven 1950-6-20 2354 Napa In the Napa Range between Conn Valley and Howell Mountains. Comment
  RSA40170  Agrostis pallens J. T. Howell 1943-6-19 18236 Napa Hills southwest of St. Helena Comment
  JEPS76079  Aira elegantissima W. L. Jepson 1938-5-18 18801 Napa slope above St. Helena Sanitarium (Howell Mountain); Howell Mountain Comment
  CAS-BOT-BC461083  Allium amplectens John H. Thomas 1955-5-21 5133 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  HSC42390  Allium amplectens Dale McNeal 1977-5-18 2032 Napa Beside Pope Valley Rd., 6.1mi. N of the junction of Hwy. 128 Comment
  JEPS97780  Allium amplectens Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2775 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  CAS-BOT-BC461088  Allium amplectens John Thomas Howell 1933-6-4 11391 Napa Hills east of Napa Comment
  POM215777  Allium amplectens David D. Keck 1933-5-29 2365 Napa Pope Creek bridge south of Walters Springs. Comment
  UC623310  Allium amplectens H. L. Mason 1939-5-18 12102 Napa w Napa (near summit of Wooden Valley Grade); Wooden Valley Grade Comment
  RSA32797  Allium cratericola A. A. Heller 1938-4-3 15012 Napa Flat, treeless summit of Table Mountain, north of Oroville. 305 Comment
  CAS-BOT-BC469023  Allium falcifolium Wayne Roderick 1967-5-7 s.n. Napa In serpentine on Butte Canyon Road near Lake-Napa County line. 457 Comment
  CAS-BOT-BC469028  Allium falcifolium David D. Keck 1933-5-29 2375 Napa 1.3 miles south of Knoxville. Comment
  RSA293012  Allium falcifolium Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 763 Napa Mt St Helena. Comment
  CAS-BOT-BC468997  Allium fimbriatum var. fimbriatum David D. Keck 1931-4-3 1083 Napa Pope Creek Canyon, 8 miles NW. of Monticello Comment
  CAS-BOT-BC472796  Allium neapolitanum Merrel Ackley 1956-4-1 s.n. Napa 2 miles east of Napa Comment
  RSA123628  Allium serra Milo S. Baker 1932-4-26 5969 Napa Pope Creek along road to Pope Valley. Comment
  UCD48256  Allium serra K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 30 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, west of Old Knoxville Rd. 432 Comment
  UCD148578  Allium triquetrum Jake Ruygt 2006-4-15 4979 Napa Napa County; Calistoga. Highway 29, about 0.5 mi. south of Lincoln Ave. 111 Comment
  JEPS110941  Allophyllum divaricatum Jake Ruygt 1982-5-1 1218 Napa Soda Canyon west of grade 335 Comment
  UCD167206  Allophyllum divaricatum Jake Ruygt 1979-5-16 600 Napa 5.8 miles east of Monticello Road on Highway 128. 304 Comment
  JEPS101637  Allophyllum gilioides subsp. violaceum Dean W. Taylor 1998-6-23 16692 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  JEPS54292  Amaranthus albus Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  UCD148100  Ambrosia psilostachya Jake Ruygt 1987-7-29 2091 Napa City of Napa: bank of Napa River just south of Third Street. 2 Comment
  CAS-BOT-BC45031  Ambrosia psilostachya David D. Keck 1933-11-10 2723 Napa 5 mi S of Napa, along highway to Vallejo Comment
  JEPS110658  Amelanchier utahensis Jake Ruygt 1989-4-22 2260 Napa 2.5 miles NE of Atlas Peak Rd. on Monticello Rd. 307 Comment
  CHSC102539  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 Winters. 130 Comment
  JEPS16024  Ammi majus W. L. Jepson Sep 23 1893-Sep 25 1893 14204 Napa Yountville Comment
  UCD127159  Ammi majus Wm. Hamilton 1948-6-1 s.n. Napa Cox Ranch on Highway 29 between Napa and Yountville Comment
  CAS-BOT-BC177207  Amorpha californica var. napensis Alice Eastwood 1923-5-9 11743 Napa Calistoga Comment
  UC1137510  Amorpha californica var. napensis J. B. Spring 1932-6-27 91 Napa 2 mi e McCormack Ranch; Santa Rosa Quadrangle, Sulphur Spr. Creek 152 Comment
  UC1199061  Amorpha californica var. napensis Joseph P. Tracy 1933-6-2 12467 1/2 Napa 5 mi e Angwin's (hills at head of Moore's Creek); Howell Mountain 457 Comment
  CDA27221  Ampelodesmos mauritanicus G. F. Hrusa 2000-7-26 15683 Napa North Coast Biodiversity Arena; Old Toll House Rd. at SW base of Mt. St. Helena, approx. 1/2 mi. S of Hwy 29. Sheet 2 of 3. Comment
  CDA31393  Ampelodesmos mauritanicus William J. Ferlatte, M. J. Foskett 1975-7-23 Napa Old Toll Road, north of Calistoga. 0 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
  UCD169886  Amsinckia intermedia Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 725 Napa Knoxville Wildlife Area. 352 Comment
  UCD48650  Amsinckia intermedia Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 23 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along E-facing ridge leading up to research station, close to gate of reserve. 371 Comment
  JEPS61139  Amsinckia intermedia W. L. Jepson 1924-4-6 10327 Napa mouth of Coun Creek, near St. Helena; Coun Creek Comment
  RSA0089449  Amsinckia intermedia A. A. Heller 1938-5-14 15093 Napa On the hills west of Napa on the highway to Shellville. Comment
  UC1094053  Amsinckia intermedia Francia Chisaki 1954-4-15 594 Napa 12.7 mi n of its cut-off from Highway #29 (on Silverado Trail); Silverado Trail 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
  UCD70458  Amsinckia intermedia M. Thibodeau 1995-4-15 10 Napa W. of city of Winters, along hwy 128. Quail Ridge Reserve; 70m E of main cabin. 274 Comment
  UC1111642  Amsinckia lunaris Francia Chisaki 1953-5-8 566 Napa 3.1 mi s of Napa-Lake County line (on Pope Valley Road) Comment
  UCD170192  Amsinckia lycopsoides Daniel Potter; Ninh Khuu, Ellen Dean 2015-3-22 765 Napa Knoxville Wildlife Area, along Zim Zim Falls trail. 279 Comment
  JEPS24905  Amsinckia lycopsoides W. L. Jepson 1893-1 21078 Napa St. Helena; Napa Valley, St. Helena Comment
  UCD161576  Amsinckia menziesii Jake Ruygt 2007-3-29 5128 Napa Rector Creek, west of State Lane (Caymus Avenue). 42 Comment
  UC1178212  Amsinckia menziesii var. menziesii S. Galen Smith 1951-4-15 Napa along Silverado Trail Comment
  JEPS112622  Anagallis arvensis Jake Ruygt 1992-5-6 2936 Napa west of Foster Rd., Napa (Raynes property) 73 Comment
  UCD18486  Anagallis arvensis P. J. Plummer 1995-5-27 s.n. Napa off Hwy 128. 335 Comment
  CAS-BOT-BC64141  Ancistrocarphus filagineus J. P. Tracy 1902-5-17 1513 Napa Howell Mountain, head of Moore's Creek, 3-4 miles east of Angwin's 365 Comment
  JEPS104502  Ancistrocarphus filagineus Jake Ruygt 1996-4-27 3629 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. Comment
  SEINET2140851  Ancistrocarphus filagineus J. P. Tracy 1902-5-17 1513 Napa Howell Mtn; head of Moore's Creek 3-4 mi E of Angwin's Comment
  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
  UCD143049  Angelica californica V. (Shorty) Boucher 2002-4-11 10 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Ashley Easement Rd. (West Rd), at base of road closed with brush pile. About 700 ft NW of locality of Dean 730 (Nasella pulchra), which is ca. 2400 airline feet NW of the junction of West Rd and South Decker Canyon Rd. Coordinates are for the Dean 730 locality. 274 Comment
  UCD127214  Angelica californica Tom Persico 1971-5-15 19 Napa Monticello Dam at Lake Berryessa. 152 Comment
  JEPS16006  Angelica tomentosa W. L. Jepson Dec. 1897 13483 Napa St. Helena Comment
  UCD126260  Angelica tomentosa G. F. Hrusa; R. Gross 1996-6-30 13071 Napa along Ida Clayton Rd on Foote Ranch. 700 Comment
  CAS-BOT-BC273163  Anisocarpus madioides Peter H. Raven 1964-5-9 19048 Napa 2 miles west of Aetna Springs Comment
  JEPS83302  Antirrhinum cornutum David M. Thompson 1983-8-11 336 Napa 1.9 mi from Barnett Road start (just n of Pope Creek, at an area reached by traveling private vineyard roads at end of Barnett Road); Aetna Springs Quad. (7.5', 1958) 201 Comment
  JEPS43777  Antirrhinum majus J. A. Marinovich 1964-5-8 18 Napa sw of Monticello Dam (along Hwy 128, between Monticello Dam and junction with Hwy 37, along creek e of hwy) 182 Comment
  JEPS100865  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Dean W. Taylor 2000-6-29 17475 Napa Zim Zim Creek, canyon about 2.5 miles up from confluence of Eticuera Creek and Berryessa-Knoxville Road 259 Comment
  UC1176938  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Peter H. Raven 1950-6-20 2334 Napa between Conn Valley and St. Helena; Napa Range Comment
  HSC83239  Antirrhinum virga D. M. Thompson 1983-6-16 334 Napa Napa/Lake Co. line, Twin Peaks Mine area along gravel road next to Bateman Creek, starting at junction of Oat Hill and Livermore Rds. 579 Comment
  UC147871  Antirrhinum virga J. P. Tracy 1899-6-18 368 Napa 3-4 mi e Angwin's (La Jota Plateau, Head of Moore's Creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UC26386  Antirrhinum virga Willis L. Jepson 1893-9-23 Napa Mt. St. Helena; Napa River Basin Comment
  UCD17990  Aphanes occidentalis Ellen Dean; with Plant Biology 102 class 2001-4-14 716 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
  UCD126301  Apiastrum angustifolium Beecher Crampton 1967-5-11 7920 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  UCD148555  Apocynum androsaemifolium Jake Ruygt 1987-6-5 2026 Napa Napa County; Leoma Lakes 435 Comment
  UC382607  Aquilegia eximia H. M. Hall 1923-10-14 11944 Napa 6 mi n Pope Valley Comment
  UC765745  Aquilegia eximia R. F. Hoover 1938-9-23 3865 Napa canyon of South Fork Butts Creek Comment
  JEPS2729 Image available Aquilegia eximia J. P. Tracy Jul 5 1899-Jul 9 1899 353 Napa head Flat Creek (down from Moore's Creek Canyon); Howell Mt.; Head of Flat Creek, Howell Mt. Comment
  UCSB1937  Aquilegia formosa Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway #37 Comment
  POM161354  Aquilegia formosa var. truncata Rimo Bacigalupi 1928-6-20 186 Napa Howell Mt, 10 miles W of St Helena Comment
  JEPS53030  Arabis glabra Willis L. Jepson 1893-4-24 32 c Napa hills e St. Helena (to Conn Valley grade); Napa River Basin Comment
  JEPS106774  Arabis modesta Jake Ruygt 1998-4-18 3923 Napa Blue Ridge about 1.5 mile north of Mays Flat 731 Comment
  CAS-BOT-BC17369  Arabis oregana Stephen P. Rae; Roman Gankin 1975-4-26 s.n. Napa Above a road cut and adjacent to Cedar Creek. 548 Comment
  UC1196929  Aralia californica J. P. Tracy 1899-7-6 416 Napa head of Moore's Creek 3 - 4 mi. e. of Angwin's; Howell Mt. 457 Comment
  UC21794  Arbutus menziesii Willis L. Jepson 1894-1 Napa Napa River Basin Comment
  SEINET11993676  Arbutus menziesii Unknown 1852-1 452 Napa no further locality Comment
  RSA10639  Arceuthobium campylopodum Carl B. Wolf 1928-5-4 1851 Napa Upper slopes of Mount St. Helena. Comment
  CAS-BOT-BC410145  Arceuthobium occidentale John Thomas Howell 1930-10-19 5618 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown Comment
  UC1121471  Arctostaphylos A. E. Wieslander 1939-8-27 990 Napa 2 mi e Gordon Valley; Napa Quadrangle Comment
  UCD82610  Arctostaphylos canescens Ellen Dean; T. Starbuck 2009-5-4 5548 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  CAS-BOT-BC23956  Arctostaphylos canescens subsp. canescens Carl B. Wolf 1928-5-4 1858 Napa Mt. St. Helena Comment
  CAS-BOT-BC23982  Arctostaphylos canescens subsp. canescens Alice Eastwood 1918-9-3 7943 Napa Mt. St. Helena Comment
  CAS-BOT-BC24018  Arctostaphylos canescens subsp. canescens John Thomas Howell 1930-3-23 4563 Napa Crater Country, near Mt. St. Helena Comment
  CAS-BOT-BC24023  Arctostaphylos canescens subsp. canescens C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  POM367245  Arctostaphylos canescens subsp. canescens C. B. Wolf 1928-2-25 1502 Napa Mt. St. Helena grade. 549 Comment
  RSA40453  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12271 Napa Near summit Mt. St. Helena. Comment
  RSA70861  Arctostaphylos canescens subsp. canescens J. T. Howell 1930-3-23 4564 Napa Crater Country' near Mt. St. Helena. Comment
  UC419751  Arctostaphylos canescens subsp. canescens Mrs. H. P. Bracelin 1930-7-13 25 Napa s slope Mt. St. Helena Comment
  UCD148752  Arctostaphylos canescens subsp. canescens Jake Ruygt 2008-5-3 5319 Napa Napa County; Mt. St. Helena along fire trail, south side. 990 Comment
  CAS-BOT-BC23624  Arctostaphylos crustacea Alice Eastwood; John Thomas Howell 1937-4-4 3828 Napa Wooden Valley Grade, E of Napa Comment
  CAS-BOT-BC24861  Arctostaphylos glandulosa subsp. cushingiana Milo S. Baker 1929-2-22 3399 a Napa Mt. St. Helena, above Toll House to the e. of Stevenson Monument. Comment
  RSA626917  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24803 Napa Chaparral on southeast side of Mt. Helena. 1020 Comment
  CAS-BOT-BC23149  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1918-9-3 7941 Napa Mt. St. Helena Comment
  JEPS49565  Arctostaphylos glandulosa subsp. glandulosa W. L. Jepson 17996 Napa Adam-and-Eve Ridge Howell Mtn. Comment
  UC1120222  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1939-3-18 871 Napa 1 1/2 mi ne Mt. Veeder; Sonoma Quadrangle Comment
  RSA633051  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24805 Napa On southeast side of Mt. St. Helena. 930 Comment
  UCD20734  Arctostaphylos manzanita Ellen Dean; w/ Mark Bibbo 2002-6-17 1097 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along ridge trail that connects Dead Man's Hill and East Road, east of junction with North Decker Canyon Rd. 350 Comment
  RSA7411  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena Comment
  UCD73423  Arctostaphylos manzanita subsp. glaucescens Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC24285  Arctostaphylos manzanita subsp. manzanita Ira L. Wiggins 1928-3-24 2861 Napa Grade in old road to lake Co. above Calistoga. Comment
  CAS-BOT-BC24287  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1492 Napa Mt. St. Helena Grade 2 mi. below Hawkins Mt. Canyon. Comment
  CAS-BOT-BC24290  Arctostaphylos manzanita subsp. manzanita Elsa G. Ruckert 1960-2-27 8 Napa 6495 Dry creek Rd. 365 Comment
  CAS-BOT-BC38727  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-9-3 7947 Napa Mt. St. Helena Comment
  CAS-BOT-BC38735  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-5-1 6862 Napa Mt. St. Helena Comment
  CAS-BOT-BC38737  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1922-3-26 11113 Napa Mt. St. Helena Comment
  CAS-BOT-BC38760  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1925-1-23 13621 Napa wooden Valley Grade Comment
  JEPS122803  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5104 Napa 2.3 miles east of Moscowite corner on Highway 128. QUAD: Capell Valley. Comment
  JEPS38738  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1913-4-15 5318 Napa lower slopes w Howell Mt. Comment
  JEPS78437  Arctostaphylos manzanita subsp. manzanita Edward Lee 1936-3-15 1804 Napa 3/4 mi out Rutherford (Rutherford-Pope Valley road); Rutherford-Pope Valley road Comment
  UC1543123  Arctostaphylos manzanita subsp. manzanita Charlotte G. Nast 1936-3-27 41 Napa Putah Canyon Comment
  UC2026414  Arctostaphylos manzanita subsp. manzanita Louis C. Wheeler 1952-8-30 6877 Napa MANGANESE RIDGE: Moore Creek, Howell Mountain. Comment
  UC521689  Arctostaphylos manzanita subsp. manzanita Joseph Andorfer Ewan 1933-9-17 8014 Napa Mt. St. Helena road 2 1/2 mi out Calistoga Comment
  UCD164871  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2013-2-14 5901 Napa Atlas Peak Road near Milliken Reservoir. Comment
  CAS-BOT-BC43836  Arctostaphylos stanfordiana Willis L. Jepson 1896-2-22 s.n. Napa La Jota Plateau, Howell Mt., Napa River Basin Comment
  CAS-BOT-BC43845  Arctostaphylos stanfordiana Alice Eastwood 1923-5-9 11759 Napa Mt. St. Helena 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-BC43861  Arctostaphylos stanfordiana Mrs. Merrel Ackley 1962-2-1 s.n. Napa Near St. Helena Comment
  CAS-BOT-BC43872  Arctostaphylos stanfordiana John Thomas Howell 1930-7-13 5356 Napa edge of the Crater Country Comment
  CDA11914  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Stebbins 1994-3-11 11598 Napa North Coast Biodiversity Arena; Ink Grade approx. 2 miles N of Angwin on Howell Mtn. Comment
  JEPS38679  Arctostaphylos stanfordiana W. L. Jepson 1913-4-15 5317 Napa Howell Mt. Napa Range 609 Comment
  JEPS38877  Arctostaphylos stanfordiana W. L. Jepson 1936-12-3 17977 Napa near Four Corners; Napa Range, Howell Mt. Comment
  UC1281156  Arctostaphylos stanfordiana H. E. McMinn 1936-4-4 4399 Napa by bridge 2 mi n Mt. St. Helena Inn Comment
  RSA92780  Arctostaphylos stanfordiana P. H. Raven 1953-2-21 5190 Napa Wooden Valley Grade. 274 Comment
  UCD95692  Arctostaphylos stanfordiana subsp. decumbens Ellen Dean; with Clare Loughran 2011-5-20 7038 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 599 Comment
  JEPS106413  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 1990-3-3 2440 Napa Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  POM172065  Arctostaphylos stanfordiana subsp. stanfordiana Lester Rowntree s.n. Napa 7 miles east of Napa Comment
  POM367457  Arctostaphylos stanfordiana subsp. stanfordiana Lester Rowntree 1930-7-17 s.n. Napa Napa Comment
  HSC38217  Arctostaphylos viscida Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2344 Napa Along Morgan Valley Rd., 0.5 mi. from Lake Co. line Comment
  UCD47967  Arctostaphylos viscida Ari Houser; J. Westbrook, S. Ratay, M. Disney,R. Wolfson,S. Wathen 2000-4-22 32 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd. 1st ridge south of Devilhead Rd. 518 Comment
  UCD52447  Arctostaphylos viscida Roman Gankin 1966-2-26 681 Napa Next to roadway at gate; property west of Macdonald Ranch, Las Posadas State Forest, Napa County, California. Comment
  UCSB30734  Arctostaphylos viscida Kelly, Michael 1975-3-24 Napa Left side of road 15 mi. east of intersections of Highway 128 and 29 853 Comment
  SEINET11989692  Arctostaphylos viscida W. Knight, Knight, I. 1982-1 4551 Napa 0.5 mi W of Spanish Flat, on road to Conn Reservoir Comment
  UC763118  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1938-9-23 3862 Napa Canyon of south fork of Butts Creek Comment
  CAS-BOT-BC47455  Arctostaphylos viscida subsp. viscida M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 miles N.E. Cliff Spring Comment
  JEPS38759  Arctostaphylos viscida subsp. viscida W. L. Jepson 1920-7-12 9067 Napa near old Chiles Mill; Chiles Creek Comment
  RSA450961  Arctostaphylos viscida subsp. viscida C. B. Wolf 1928-5-4 1859 Napa Upper slopes of Mount St. Helena. Comment
  UC1388341  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-3-19 925 Napa 1 mi nw Knoxville (Lake-Napa Co. line); North Coast Ranges Comment
  CAS-BOT-BC361309  Aristolochia californica Richard R. Halse 2013-3-27 8755 Napa Along State Hwy 128 ca. 5.3 miles E of its junction with State Hwy 121 at Moskowite Corners. 239 Comment
  RSA82765  Aristolochia californica W. M. Grannell 1950-3-10 8 Napa Putah Canyon Comment
  SBBG16136  Aristolochia californica H. and M. Dearing 1940-3-20 4147 Napa near Napa Comment
  SEINET6652453  Aristolochia californica R. R. Halse 2013-3-27 8755 Napa Along State Hwy. 128 ca. 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners. 239 Comment
  UC65023  Aristolochia californica E. Kelly 1905-5-27 Napa near Napa Comment
  JEPS104505  Arnica discoidea Jake Ruygt 1979-6-3 669 Napa Aetna Springs Rd. 670 Comment
  JEPS104525  Arnica discoidea Jake Ruygt 1978-5-7 293 Napa .5 miles south of Monticello Rd. on road to Wild Horse Valley 414 Comment
  UC767467  Arnica discoidea R. F. Hoover 1941-5-10 5014 Napa e side Mt. St. Helena Comment
  UCD164773  Arrhenatherum elatius Jake Ruygt 2014-5-19 5947 Napa Sutro Ranch, Atlas Peak. 740 Comment
  CAS-BOT-BC84952  Artemisia californica Peter H. Raven 1952-9-14 5180 Napa Hills due e. Yountville 152 Comment
  JEPS104524  Artemisia californica Jake Ruygt 1979-11-24 798 Napa 2.3 miles north of Monticello Rd. on Atlas Peak Rd. 79 Comment
  SEINET258289  Artemisia douglasiana Unknown 1986-9-19 10228 Napa Napa County: In the northern end of the Napa Valley on the west side of Calistoga. 110 Comment
  SEINET198881  Asclepias cordifolia H. E. Cott 1949-6-5 A- 137 Napa Along State Highway 28, Monticello mouth of Putah Canyon. Comment
  JEPS49852  Asclepias eriocarpa W. L. Jepson 1897-7-12 14536 Napa near Samuel's Springs; Pope Creek Comment
  UCD18116  Asclepias fascicularis K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 53 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
  JEPS122711  Asclepias speciosa Jake Ruygt 1986-6-28 1844 Napa Mt. Millhouse Camp, Mt. St. Helena. Quad: Detert Reservoir. Comment
  JEPS60029  Aspidotis densa W. L. Jepson 1924-4-27 10382 Napa Mt. St. Helena Comment
  SJSU1350  Aspidotis densa J. W. Tilden 1953-5-24 1036 Napa Mt. St. Helena 457 Comment
  JEPS95199  Astragalus claranus Jake Ruygt 1994-4-15 3447 Napa Lewelling Ranch, near Sulphur Springs Rd St. Helena 103 Comment
  JEPS95200  Astragalus claranus Jake Ruygt 1998-4-14 3906 Napa e end Taplin Rd 106 Comment
  JEPS100818  Astragalus clevelandii Dean W. Taylor 2000-6-29 17470 Napa Zim Zim Creek, along the creek about 2.5 miles up from confluence of Eticuera Creek and Berryessa-Knoxville Road 259 Comment
  JEPS107255  Astragalus clevelandii Jake Ruygt 1998-7-6 4077 b Napa Butts Canyon about 0.3 mile north of Snell Valley Road. 377 Comment
  UC168341  Astragalus clevelandii Katharine Brandegee Napa Butts Canyon 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
  SEINET898796  Astragalus didymocarpus Frank W. Gould 1938-1 98 Napa One mile north-west of Yountville. 152 Comment
  JEPS107252  Astragalus gambelianus Jake Ruygt 1989-4-22 2284 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 304 Comment
  UCD170808  Astragalus gambelianus 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  CAS-BOT-BC17535  Athysanus pusillus Peter H. Raven 1950-4-15 1709 Napa Silverado Trail outside of Napa. 15 Comment
  UCD18050  Athysanus pusillus Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 602 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
  RSA10658  Athysanus pusillus C. B. Wolf 1928-5-3 1831 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  JEPS106816  Atriplex semibaccata Jake Ruygt 1979-7-29 787 Napa Fagan's Slough, Sheehy Creek area 2 Comment
  UCD36838  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3229 Napa Napa County, Napa Valley, 1 mile south of Rutherford, State Highway 128. 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
  JEPS104572  Balsamorhiza sericea Jake Ruygt 1988-5-29 2189 Napa east tributary of Sensitive Plant Canyon 414 Comment
  UCD114271  Barbarea orthoceras K. Esau 1937-4-22 s.n. Napa Monticello-Napa Highway. Comment
  UC1010752  Beckmannia syzigachne Peter H. Raven 1951-6-24 3028 Napa Brown's Valley to Sonoma-Napa Road 91 Comment
  CDA6268  Bellardia trixago T. C. Fuller 1958-5-1 3729 Napa Northeast corner, Highways 29 & 21, 6 miles south of Napa. 0 Comment
  RSA195297  Bellardia trixago Gilbert Muth 1967-5-17 676 Napa Oat Hill Road, Calistoga. 256 Comment
  UC118106  Berberis pinnata Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
  JEPS115690  Bergia texana Lowell Ahart 2009-10-27 16485 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  UCD161251  Berula erecta Jake Ruygt 3 July1999 4199 Napa American Canyon, north side of quarry. (Coordinates estimated by label maker at UC Davis). 94 Comment
  UCD74382  Boechera breweri Jake Ruygt 2006-4-29 5005 Napa Near Palisades Trail, S of Table Rock. Detert Reservoir. 606 Comment
  UCD167619  Boechera breweri subsp. breweri Hyosig Won 2016-4-12 13952 Napa McLaughlin UC Reserve. Near old town of Knoxville. 445 Comment
  UCD161759  Boechera breweri subsp. breweri Jake Ruygt 1998-3-28 3893 Napa The Beehive, Rattlesnake Ridge. 762 Comment
  JEPS110703  Boisduvalia densiflora Jake Ruygt 1969-12-31 4117 Napa Big Ranch Road about 1/3 mile south of El Centro Ave. Napa 16 Comment
  SEINET11104788  Bolboschoenus maritimus Lowell Ahart 2009-10-12 16460 Napa below the high water line of Lake Berryessa, along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS110568  Boschniakia strobilacea Jake Ruygt 1998-5-30 4009 Napa Mt. St. Helena, on RLS cabin trail. 792 Comment
  CAS-BOT-BC36763  Brassica rapa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium. Comment
  UCD159468  Brickellia californica D. S. Park 2010-8-13 222 Napa Along Berryessa Knoxville Rd. Near dried up creek bed. Shrub on side of the road. 218 Comment
  UCD57145  Briza maxima Beecher Crampton 1965-5-13 7335 Napa Ca. 3 miles SE of Calistoga Silverado Trail. Comment
  UCD118547  Briza minor Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat. 387 Comment
  UCD57403  Briza minor Beecher Crampton 1956-5-25 3475 Napa Southeast Capell Valley. Comment
  RSA491733  Brodiaea californica subsp. leptandra James L. Reveal 1987-6-7 6407 Napa Along California Highway 128 near its intersection with the Berryessa-Knoxville Road, about 5 miles west-northwest of Moskowite Corner, about 13.5 airline miles north of Napa 244 Comment
  JEPS7641  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-24 7665 Napa near Toll House (Mt. St. Helena); Mt. St. Helena Comment
  CAS-BOT-BC484200  Brodiaea elegans var. elegans Belle Richardson Jackson 1930-6-8 s.n. Napa On old toll road below Patten's Mt. St. Helena region Comment
  JEPS110911  Brodiaea leptandra Jake Ruygt 2003-6-7 4537 Napa Mt. George/Foote Botanical Preserve 268 Comment
  CAS-BOT-BC486433  Brodiaea terrestris subsp. terrestris Peter H. Raven 1957-5-5 10750 Napa Near the hot springs, Calistoga 91 Comment
  UCD73503  Bromus arenarius Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS123010  Bromus carinatus var. carinatus Jake Ruygt 1986-5-24 1791 Napa Table Mountain. Quad: Detert Reservoir. 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
  HSC9264  Bromus hordeaceus J. V. Lenz 1947-4-19 Napa Calistoga Comment
  UCD48842  Bromus hordeaceus A. Van Houtte; E. Leger, C. Hohn 2001-4-14 1 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; N of Research Station, in an open meadow in a saddle of Decker Ridge Rd., N of jct with South Decker Canyon Rd. 365 Comment
  UCD58677  Bromus hordeaceus Michael Fleschner 1965-5-13 13 14 Napa In Cedar Valley, north of Lake Berryessa. Off the road from Knoxville to Lower Lake. Comment
  UCD58765  Bromus hordeaceus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UC1010990  Bromus laevipes Virginia Bufford 1936-5-20 321 Napa Calistoga-Healdsburg Highway at Sonoma-Napa County line Calistoga-Healdsburg Highway; , Sonoma-Napa County line Comment
  UCD32906  Bromus laevipes Beecher Crampton 1965-6-17 7410 Napa Solano-Napa Counties, Vaca mountains, summit of Mt. Vaca. 859 Comment
  UCD58612  Bromus laevipes Jack A. Thiel 1955-5-21 s.n. Napa About 10 miles south of Knoxville. Monticello-Lower lake Road. Comment
  UCD58957  Bromus laevipes Beecher Crampton 1965-6-30 7409 Napa Mt. Vaca, Vaca Mtns. 872 Comment
  SACT000640  Bromus madritensis John Willoughby 1977-4-20 Napa Below and just to the south of Mount Vaca, chaparral 609.6 Comment
  UCD75794  Bromus madritensis subsp. rubens Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site. Comment
  RSA128556  Bromus stamineus P. H. Raven 1953-5-2 5357 Napa Along railroad tracks, Yountville. Comment
  CAS-BOT-BC161639  Bromus sterilis Peter H. Raven 1951-4-8 2765 Napa Yountville. 48 Comment
  UCR146407  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Inner North Coast Ranges, 7 miles northeast of city of Napa, summit along State Highway 37 396 Comment
  JEPS112602  Calandrinia breweri Jake Ruygt 1997-3-23 3815 Napa South of Bismark Knob on ridge. 612 Comment
  JEPS112604  Calandrinia breweri Jake Ruygt 1982-4-4 1167 Napa 3.2 miles north of Loma Vista Dr. on Soda Canyon Rd. 335 Comment
  JEPS112605  Calandrinia ciliata Jake Ruygt 1979-3-5 438 Napa Trefethen Vineyards 30 Comment
  UCD20821  Calandrinia ciliata N. Nicola 2001-3-29 037 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve. Lat/long is estimate. Comment
  UCD100279  Calandrinia ciliata M. R. Wanzer 1948-5-15 21 Napa just south of the judging pavilion, University of California campus, Davis. Comment
  UCR12023  Calandrinia ciliata var. menziesii Coleta A. Lawler 1964-3-24 08 Napa Buhman Avenue, 0.2 mi north of junction with Henry Road 8 Comment
  JEPS120377  Calendula arvensis Jake Ruygt 1980-3-31 823 Napa end of McLean St., Napa Comment
  UCD159463  Calendula arvensis D. S. Park 2010-8-13 217 Napa St. Helena. Along Fulton Ln. Growing in the fringes of orchards. 76 Comment
  UCD161329  Callitriche heterophylla var. bolanderi Jake Ruygt 1980-6-4 914 Napa Napa County : North end of Soda Canyon Road. (Coordinates estimated by label maker at UC Davis). 414 Comment
  JEPS120389  Callitriche heterophylla var. bolanderi Jake Ruygt 1983-4-7 1177 Napa east of Rocktram, west of Hwy 221, Suscol Plain Comment
  HSC15340  Calochortus amabilis C. B. Wolf 1928-5-3 1787 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  JEPS121549  Calochortus amabilis Adam C. Schneider with Dick O'Donnell 2013-5-26 199 Napa Southwest side of Chiles Pope Valley Rd., 100 yards southwest of farmhouse and other buildings. Comment
  UC14990  Calochortus amabilis J. P. Tracy 1902-5-15 1480 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD18163  Calochortus amabilis Eva Bayon; with PLB 102 class 2000-4-29 s.n. Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD18372  Calochortus amabilis R. Wenk 2000-5-14 9 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  UCD48750  Calochortus amabilis E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 20 Napa Quail Ridge Reserve: SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. ca. 0.45 mi (2,400 ft.) as the crow flies, NW from the jct of West Rd. and South Decker Canyon Rd. S side of West Rd. up on ridge. 249 Comment
  UCD73382  Calochortus amabilis Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
Read comments
Nov 1 2011
  RSA145271  Calochortus amabilis Simonds 1928-05 SN Napa Browns Valley. Comment
  SEINET5725020 Image available Calochortus amabilis Richard Beaver 1965-1 151 Napa on a slope with various shrubs, sandy clay soil; 10 miles north of the junction of Highway 128 with Highway 121. Comment
  JEPS113982  Calochortus luteus Jake Ruygt 1976-5-17 86 Napa .3 mile east of Hillcrest Drive on Westgate Drive. Napa 7.5' Quad. Comment
  RSA292924  Calochortus luteus Reino Alava 1957-5-30 974 Napa Napa-Solano county line; Route 128 Comment
Read comments
Oct 30 2013
  UCD70349  Calochortus luteus P. J. Plummer 1995-5-29 s.n. Napa Napa County Along hwy 128; 1 m from the hwy. Flowers bright yellow with brown-purple stripes and splotches. 213 Comment
  CAS-BOT-BC492540  Calochortus luteus John Thomas Howell 1929-5-30 4258 Napa Gordon Valley, Napa Range Comment
  CAS-BOT-BC492544  Calochortus luteus Betty H. Johnson 1958-6-8 610 Napa Near St Helena River, 6.4 mi. S.W. of Middleton Comment
  CAS-BOT-BC492545  Calochortus luteus Wayne Roderick 1967-5-20 s.n. Napa Snell Valley 457 Comment
  IRVC12847  Calochortus pulchellus A. French 1967-5-14 30 Napa 1.0 mi. E of jct Howell Mt Rd and Conn Valley Rd. North Coastal Ranges Comment
Read comments
Apr 27 2007
  JEPS113984  Calochortus superbus Jake Ruygt 1986-6-9 1804 Napa 4.5 miles north of Westgate Drive on Atlas Peak Road. Capell Valley 7.5' Quad. Comment
  HSC34856  Calochortus uniflorus Thomas W. Nelson, James Nelson 1975-5-5 1804 Napa Along the runway of Calistoga airport, Calistoga Comment
  JEPS113985  Calochortus uniflorus Jake Ruygt 1999-5-10 4151 Napa Snell Valley near Stagecoach Canyon Road. Aetna Springs 7.5' Quad. Comment
  JEPS61742  Calochortus uniflorus W. L. Jepson 1924-4-6 10312 Napa Conn Valley Napa Range 914 Comment
  JEPS113960  Calochortus vestae Jake Ruygt 1996-6-1 3733 Napa Highway 128 about 3/4 mile north of Turtle Rock Cafe. Chiles Valley 7.5' Quad. Comment
  UCD167101  Calochortus vestae Jake Ruygt 2015-6-20 6139 Napa Missimer - Snell Valley Preserve. 175 Comment
  CAS-BOT-BC496926  Calochortus vestae David D. Keck 1933-5-29 2364 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC496927  Calochortus vestae Betty H. Johnson 1958-6-15 630 Napa 6.4 miles southwest of Middletown Comment
  JEPS129050  Calycadenia fremontii Jake Ruygt 2016-7-23 6295 Napa Smittle Creek, west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UC1876213  Calycadenia fremontii Gerald D. Carr 1972-8-21 729 Napa 3.0 mi NE of Chiles and Pope Valley Rd. on Pope Canyon Rd. 182 Comment
  UC1876218  Calycadenia fremontii Gerald D. Carr 1971-9-20 666 Napa 4.2 mi N of Spanish Flat on Knoxville-Berryessa Rd. 152 Comment
  UC1876225  Calycadenia fremontii Gerald D. Carr 1972-8-9 727 Napa Mysterious Creek Rd., 11.3 mi SW of Berryessa-Knoxville Rd. Via Devilhead Rd. Comment
  UC1876236  Calycadenia fremontii Gerald D. Carr 1971-10-23 681 Napa 1/4 mi W of Berryessa-Knoxville Rd on Hwy 128. Comment
  UCD161587  Calycadenia micrantha Jake Ruygt 2008-5-10 5328 Napa Buzzard's Roost, east of Stags Leap, Napa Range. (Coordinates converted from UTM data by label maker.) 480 Comment
  RSA255488  Calycadenia multiglandulosa subsp. cephalotes Gerald D. Carr 1971-6-17 566 Napa Jct. of Howell Mt., Deer Park, and White Cottage Roads Comment
  CAS-BOT-BC270833  Calycadenia pauciflora John Thomas Howell 1929-8-4 4364 Napa 1 mile below Samuels Springs, Pope Creek Canon [Pope Creek Canyon], Napa Range Comment
  UCD129808  Calycadenia pauciflora Gerald D. Carr 1971-8-6 616 Napa Lower Chiles Valley Road, 1.3 miles north of Hwy 128. Comment
  CAS-BOT-BC270819  Calycadenia pauciflora Gerald D. Carr 1972-8-9 725 Napa 5.8 miles S of Berryessa - Knoxville Road on Devilhead Road, Cedar Valley 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
  JEPS38587  Calycadenia pauciflora Willis L. Jepson Jul 1 1892-Aug 1 1892 Napa near Knoxville; Clear Lake (Mountain Region) Comment
  UC1876240  Calycadenia pauciflora Gerald D. Carr 1972-8-9 726 Napa Mysterious Creek Rd., 10.0 mi SW of Berryessa-Knoxville Rd. Via Devilhead Rd. Comment
  UCD129842  Calycadenia pauciflora Gerald D. Carr 1972-8-9 725 Napa 5.8 miles south of Berryessa-Knoxville Road on Devilhead Road, Cedar Valley. 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
  CAS-BOT-BC271566  Calycadenia truncata subsp. truncata John Thomas Howell 1930-7-13 5344 Napa Lower slopes of Mt. St. Helena Comment
  CAS-BOT-BC271573  Calycadenia truncata subsp. truncata Brandegee No date on label. s.n. Napa Howell Mt. Comment
  CAS-BOT-BC271553  Calycadenia truncata subsp. truncata H. M. Hall 1923-10-15 11952 Napa Base of hills east of town, St. Helena Comment
  CAS-BOT-BC271558  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  CAS-BOT-BC271567  Calycadenia truncata subsp. truncata John Thomas Howell 1929-10-26 4533 Napa 1/2 mile north of Yountville Comment
  JEPS121524  Calycanthus occidentalis Adam C. Schneider with Dick O'Donnell 2013-5-26 210 Napa The downill (east ) side of the road cut of Butts Canyon Road, 2 miles south of Snell Valley Rd. Comment
  JEPS40318  Calycanthus occidentalis Alice King Jul 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  POM210622  Calycanthus occidentalis Joseph A. Ewan 1933-9-17 8010 Napa Mt. St. Helena summit road 2.5 miles out of Calistoga. Comment
  RSA456153  Calycanthus occidentalis E. S. Spalding 1924-7-4 s.n. Napa White Sulphur Springs Canon, near St. Helena. Comment
  UCSB12599  Calycanthus occidentalis Haller, John 1961-6-18 Napa Bank of Napa River intersection of St. Helena-Angwin road with Silverado Trail Road, about 1.5 mi. N of St. Helena 76 Comment
  SEINET12093077  Calycanthus occidentalis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -332 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  SEINET8194129 Image available Calycanthus occidentalis R. H. Miller 1949-5-8 49 Napa Along Highway 37, about 13 miles northeast of Napa Comment
  RSA0059891  Calystegia collina subsp. collina C. F. Baker 1903-5-8 2968 Napa Knoxville. Comment
  SEINET5741986 Image available Calystegia occidentalis Midori J. Minabe 1971-1 70 Napa Ca. 2 miles SW of Solano County line on Route 128 and ca. 0.5 mile north (?) on dirt road, south of Lake Berryessa.; Lake Berryessa Comment
  UC23153  Calystegia purpurata Willis L. Jepson 1894-5-3 Napa St. Helena , St. Helena (Napa River Basin) Comment
  JEPS31633  Calystegia purpurata W. L. Jepson 1938-5-25 18862 Napa Bell Canyon Napa Range, Howell Mt., Bell Canyon (Howell Mt., Napa Range) 579 Comment
  RSA52706  Calystegia purpurata I. L. Wiggins 1949-4-30 12080 Napa Along old toll road between Calistoga and Middletown. Comment
  JEPS126128  Calystegia purpurata subsp. purpurata Jake Ruygt 2007-11-10 5258 Napa East side of California Blvd., about 0.1 mi. south of Trancas Street, Napa. Napa 7.5' Qua. Comment
  UCD148997  Calystegia purpurata subsp. purpurata D. Woods; V. Popescu 2010-6-28 s.n. Napa along Devilshead-Knoxville Road. 450 Comment
  RSA0059886  Calystegia subacaulis Reino Alava 1957-5-30 985 Napa 4 2/10 mile north of the junction of Highways 37 and 128, on State Highway no. 128. Comment
  HSC44000  Camissonia graciliflora Robert M. Specht 1977-4-14 662 Napa N side of Nevada Creek 512 Comment
  RSA186745  Camissonia hirtella Peter H. Raven 1965-5-15 20206 Napa Nevada Creek, 5 miles SSE of Knoxville 335 Comment
  UC924274  Camissoniopsis hirtella H. S. Reed 1940-3-23 325 Napa ridge w Oakville 152 Comment
  UC679525  Campanula angustiflora Milo S. Baker 1942-5-27 10203 Napa along boundary between Napa and Sonoma Counties (n of summit of Spring Mt. Road from Santa Rosa toward town of St. Helena) Comment
  UC169030  Campanula griffinii Joseph P. Tracy 1902-5-21 1576 1/2 Napa on hills at head of Moore's Creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain 457 Comment
  UC169031  Campanula griffinii Joseph P. Tracy 1905-7-5 2209 Napa on hills at head of Moore's Creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain 365 Comment
  SEINET10463187  Campanula prenanthoides Grummer 1979-6-21 GRUMMER 1250 Napa NR BOTHE NAPA VALLEY STATE PARK, ON CALISTOGA QUAD., NR CALISTOGA 1001 Comment
  CAS-BOT-BC37590  Cardamine californica Peter H. Raven 1953-2-21 5194 Napa Steel Canyon. 213 Comment
  UCD114190  Cardamine californica G. F. Hrusa; G. L. Stebbins 1994-3-11 11597 Napa Las Posadas State Forest; immediately E of Fire Station in upper drainage of Moore Creek. 450 Comment
  UCD17985  Cardamine oligosperma Ellen Dean; with Plant Biology 102 class 2001-4-14 711 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. At junction of West Loop Rd. and Decker Bay Trail. 152 Comment
  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
  CDA3660  Cardaria chalepensis G. D. Barbe 1984-4-24 4152 Napa Along east shore of Lake Berryessa at Funning Deer Ranch 2.5 miles south of Knoxville-Berryessa Road. 0 Comment
  UCD160570  Carex G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  CAS-BOT-BC18182  Carex John H. Thomas 1969-4-29 15029 Napa Between road and railroad tracks at Yountville. Comment
  CHSC52543  Carex aurea L. P. Janeway 1989-7-13 3492 Napa Plumas National Forest. Slope, above Jackson Cr and above rd 23N06 1.6 mi from Penman Saddle. Comment
  UCD83856  Carex barbarae Ellen Dean; Kate Mawdsley 2010-4-30 5944 c Napa Valley Gate Vineyard, lands near intersection of Hwy 12 and Kirkland Ranch Rd. Riparian woodland along Fagan Creek, paralleling Kirkland Ranch Rd. 68 Comment
  UC826510  Carex barbarae Wilhelm N. Suksdorf 1913-7-24 619 Napa On a high bank of the Napa River below the town. Comment
  UCD161341  Carex brevicaulis Jake Ruygt 1984-5-19 1560 Napa East slope of Cedar Roughs. (Coordinates estimated by label maker at UC Davis). 579 Comment
  CAS-BOT-BC18904  Carex densa Wilhelm Nikolaus Suksdorf 1913-7-28 698 Napa North of Napa. Comment
  SEINET7556714 Image available Carex densa Lewis R. Rose 1935-6-4 35205 Napa E slope Mt St Helena. Comment
  UCD161698  Carex densa Jake Ruygt 2010-5-24 5561 Napa south of Heitz Way, west side of Highway 29. 94 Comment
  UCD161635  Carex globosa Jake Ruygt 2005-4-4 4742 Napa Mt. St. Helena, Highway 29 at Old Toll Road. (Coordinates converted from UTM data by label maker.) 472 Comment
  UCD161706  Carex globosa Jake Ruygt 2010-6-21 5627 Napa Van Ness Canyon about 1/3 mile south of Wildwood house. (Coordinates converted from UTM data by label maker.) 609 Comment
  SEINET7569404 Image available Carex nudata Alice Eastwood, John Thomas Howell 1937-4-4 3826 Napa North of Wooden Valley. Comment
  UCD161614  Carex nudata Jake Ruygt 2002-3-23 4370 Napa Snell Valley, Missimer Wildflower Preserve. 219 Comment
  UCD140839  Carex serratodens Beecher Crampton 1957-4-22 3942 Napa above Capell Creek, north end of Capell Valley, along State Highway 128. Comment
  UCD140843  Carex serratodens G. F. Hrusa 1996-6-30 13072 Napa at Lake Hennessey approximately 1 mile east of Conn Dam. 175 Comment
  UCD170187  Carex serratodens Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 770 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 402 Comment
  JEPS121330  Carex serratodens Jake Ruygt 1982-5-5 1237 Napa American Canyon Comment
  UC1023493  Carex subfusca Peter H. Raven 1951-6-10 2929 Napa e Palisades; Crater Region 762 Comment
  CDA6964  Carthamus lanatus T. C. Fuller 1961-6-15 6337 Napa F. J. Tamangi property, west of Silverado Trail, 0.5 mile north of Larkmead Lane, ca. 2 miles southeast of Calistoga. 0 Comment
  UCD122178  Castilleja affinis M. Wiesendanger 1927-5-4 693 Napa Monticello-Napa Rd. Comment
  SFV8664  Castilleja affinis W. P. Hackett 1960-4-10 15 Napa State Highway 37, 23.2 miles west of Winters. In partial shade on steep, west facing slope. Comment
  JEPS110617  Castilleja affinis subsp. affinis Jake Ruygt 1991-5-11 2652 Napa 1 mile north of College Ave. on Howell Mountain Rd. 551 Comment
  JEPS110635  Castilleja affinis subsp. affinis Jake Ruygt 1976-5-2 44 Napa 3.4 miles NE of Atlas Peak Rd. on Monticello Rd. 335 Comment
  UC1281079  Castilleja affinis subsp. affinis H. E. McMinn 1923-5-25 959 Napa between Rockville and Wooden Valley; Suisun Creek Comment
  JEPS35589  Castilleja affinis subsp. affinis L. R. Heckard 1964-6-11 1365 Napa 1.3 mi sw Calif. Hwy. 121 junction with Wooden Valley road (along Calif Hwy 121, above Wooden Valley) Comment
  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
  JEPS86593  Castilleja affinis subsp. neglecta L. R. Heckard with Jake Ruygt 1987-5-10 6663 Napa ne of Vallejo (on n side of American Canyon Ridge, ca 0.25 mi ne of quarry); American Canyon Ridge Comment
  JEPS110632  Castilleja ambigua subsp. ambigua Jake Ruygt 1994-4-29 3362 Napa Fagan Slough 1 Comment
  JEPS9137  Castilleja ambigua subsp. ambigua W. L. Jepson 1893-4-24 21401 Napa hills e St. Helena to Conn Valley Grade (Howell Mt. foothills); Napa River Basin, Howell Mt. Comment
  UC1334851  Castilleja ambigua subsp. ambigua L. D. Thurman 1964-4-24 427 Napa 5.5 mi n Napa (Silverado trail) Comment
  JEPS110634  Castilleja applegatei subsp. martinii Jake Ruygt 1998-5-20 3982 Napa Blue Ridge, +/-1.5 mi north of Mays Flat 694 Comment
  JEPS62590  Castilleja applegatei subsp. martinii T. I. Chuang with Fei-Mei Chuang 1970-7-25 6832 Napa 4.8 mi s Napa-Lake County line (on Highway 29) Comment
  JEPS66536  Castilleja applegatei subsp. martinii John F. Emmel 1971-4-17 343 Napa just above Butts Canyon Road and Snell Valley Road junction 219 Comment
  UC1012334  Castilleja applegatei subsp. martinii F. W. Pennell and H. L. Mason 1940-5-21 25479 Napa s of Calistoga (Route 29) 152 Comment
  JEPS9970  Castilleja attenuata W. L. Jepson 1944-5-21 27528 Napa w base Adam-and-Eve Ridge; Howell Mountain Comment
  JEPS21806  Castilleja attenuata Margaret Whitmore 1958-4-11 43 Napa 2 mi n Napa (on Atlas Peak road) 16 Comment
  JEPS122741  Castilleja densiflora subsp. densiflora Jake Ruygt 2011-5-28 5798 Napa West of Atlas Peak Road, 0.6 mi SW of Foss Valley. Quad: Yountville. Comment
  SEINET13772588  Castilleja exserta R. R. Halse 1989-1 3834 Napa Along State Hwy 28, on the Calistoga Grade, 2.7 miles N of Calistoga. 240 Comment
  SEINET903093  Castilleja exserta Richard R. Halse 1989-1 3834 Napa Along State highway 28, on the Calistoga Grade, 2.7 miles north of Calistoga. 240 Comment
  UCD122405  Castilleja exserta H. Popenoe 1949-4-17 11 Napa Putah Canyon, 8 miles west of Winters. Comment
  HSC81972  Castilleja foliolosa Thomas W. Nelson, Jane P. Nelson 1980-5-3 5151 Napa W side of Butts Canyon Rd. at junction with private road 244 Comment
  UC1217067  Castilleja foliolosa Paul C. Hutchison 1963-3-3 2675 Napa 2 mi above St. Helena Sanitarium (along the road to Pope Valley) Comment
  UCD122553  Castilleja foliolosa Andreas Stohr 1996-4-21 4 Napa Next to Road 128 near Monticello Dam. 180 Comment
  UCD48226  Castilleja foliolosa C. Owens; A. Atamian, R. Brush, S. Olmsted, M. Furuyama 2000-4-29 16 Napa Border of Yolo and Napa County, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct 1999). 640 Comment
  UC1537568  Castilleja foliolosa Gordon H. True Jr. 1937-6-21 730 Napa Mt. George 304 Comment
  JEPS110656  Castilleja minor subsp. spiralis Jake Ruygt 1982-3-10 1125 Napa north side of American Canyon 128 Comment
  SEINET7075541  Castilleja rubicundula 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
  SFV11129  Castilleja rubicundula subsp. lithospermoides F. M. Ball May 1961 Napa Route 29 north of Calistoga. 305 Comment
  UC726417  Castilleja rubicundula subsp. lithospermoides A. A. Heller 1941-5-16 16131 Napa about 3 mi w Knoxville (on the road to Lower Lake) Comment
  UCD123050  Castilleja rubicundula subsp. lithospermoides K. Esau; E. Hyde 1938-5-25 s.n. Napa Exact location unknown. Comment
  UCD63061  Castilleja rubicundula subsp. rubicundula Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 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
  UCD167991  Caulanthus lasiophyllus James A. Neilson Jr. 1977-4-13 3872 Napa Oat Hill Mine Road, 1/2 mile west Maple Springs. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC83849  Ceanothus confusus D. O. Burge 2008-6-1 1006 c Napa Mount Saint Helena, eastern slopw of SE-most peak 1000 Comment
  RSA399087  Ceanothus cuneatus Bonnie C. Templeton 1957-6-26 s.n. Napa Between Calistoga and Petrified Forest Comment
  CAS-BOT-BC48937  Ceanothus cuneatus var. cuneatus D. O. Burge 2007-4-27 DOB 899 b Napa Vaca Mountains, on east-west trending ridge south of East Mitchel Canyon, 15.2 road miles (24.3 km) west of Hwy 505 270 Comment
  JEPS42084  Ceanothus cuneatus var. cuneatus W. L. Jepson 1910-3-28 4022 Napa sw Rebecca Ranch grade (Calistoga) Comment
  JEPS42202  Ceanothus cuneatus var. cuneatus W. L. Jepson 1893-5-2 13987 Napa e Calistoga (Pope Valley Grade) Comment
  UC903042  Ceanothus cuneatus var. cuneatus Ethel Crum 1937-4-19 1784 Napa 15 mi n Napa (Steel Canyon,); Napa Range Comment
  CAS-BOT-BC49795  Ceanothus divergens Alice Eastwood 1923-5-9 11747 a Napa Mt. St. Helena Comment
  CAS-BOT-BC49797  Ceanothus divergens John Thomas Howell 1941-4-5 16161 Napa Franz Valley Comment
  CAS-BOT-BC49801  Ceanothus divergens Carl B. Wolf 1928-5-4 1853 Napa Mt. St. Helena Comment
  CAS-BOT-BC49808  Ceanothus divergens Milo S. Baker 1939-3-22 9243 Napa 1.1 mi. west of Calistoga-Napa hgwy. at a point 1.1 mi south of Calistoga Comment
  CAS-BOT-BC64432  Ceanothus divergens L. R. Abrams 1928-5-4 12270 Napa Near summit of Mt. St. Helena. Comment
  JEPS110718  Ceanothus divergens Jake Ruygt 1979-3-25 460 Napa 1.5 miles west of HWY 29 on Whitehall Lane 128 Comment
  JEPS42261 Image available Ceanothus divergens W. L. Jepson 1897-5-2 14037 Napa Rebecca Ranch Grade, Upper Napa Valley. Near Calistoga, i.e. westerly = Hoods Peak Range Comment
  RSA10638  Ceanothus foliosus Carl B. Wolf 1928-5-4 1852 Napa Upper slopes of Mount St. Helena. Comment
  RSA169356  Ceanothus foliosus L. S. Rose 1964-4-2 46018 Napa 2 miles SW of Angwin. 244 Comment
  RSA293010  Ceanothus foliosus Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 752 Napa Mt. Saint Helena. Comment
  UC18326  Ceanothus foliosus Willis L. Jepson 1893-5-8 Napa below New Eden Howell Mt., Napa River Basin Comment
  UCD112124  Ceanothus foliosus Beecher Crampton 1962-10-9 6693 Napa 3.5 miles southwest Angwin, Howell Mountain Road. Comment
  UCR43196  Ceanothus foliosus L. F. LaPre 1985-4-24 s.n. Napa Inner North Coast Ranges, Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. line and south of Three Peaks 671 Comment
  POM90701  Ceanothus foliosus C. C. Parry 1881-08 s.n. Napa Calistoga. Comment
  CAS-BOT-BC50912  Ceanothus foliosus var. foliosus Paul F. Covel 1940-4-28 1705 Napa Grade near Sanatarium Comment
  JEPS42434  Ceanothus foliosus var. foliosus W. L. Jepson 1924-4-6 10318 Napa Howell Mountain, Napa Range 914 Comment
  JEPS110716  Ceanothus integerrimus Jake Ruygt 1998-6-6 4015 Napa Devilshead Road near ranch. 463 Comment
  UCD112504  Ceanothus integerrimus R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs. Comment
  JEPS20114  Ceanothus jepsonii Willis L. Jepson 1896-2-23 14032 Napa near New Eden (Howell Mt. Grade); Napa River Basin Comment
  UC1278729  Ceanothus jepsonii G. L. Stebbins 1949-5-9 3931 Napa 6.5 mi se Pope Valley (in Chiles Valley) Comment
  UCD160572  Ceanothus jepsonii G. Ledyard Stebbins 1994-4-23 s.n. Napa Butts Canyon along Butts Creek, west of Putah Creek. Comment
  RSA52713  Ceanothus jepsonii subsp. albiflorus I. L. Wiggins 1949-4-30 12095 Napa Along old toll road between Calistoga and Middletown. Comment
  SEINET5743563 Image available Ceanothus jepsonii var. albiflorus Ithnin Bujang 1974-1 9 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon Road and Chiles Valley Road intersection. N-facing slope of hill. 204 Comment
  HSC43984  Ceanothus oliganthus var. sorediatus Robert M. Specht 1977-4-15 667 Napa Edge of rd. to Adams Creek on E facing slope 409 Comment
  UCD112304  Ceanothus oliganthus var. sorediatus Robert C. Bechtel 1952-4-20 70 Napa Samuel Springs, 7 miles northwest of Monticello. 91 Comment
  UCD112326  Ceanothus oliganthus var. sorediatus J. E. Street 1950-4-24 s.n. Napa 8 miles north of Wooden Valley. Comment
  UCD49124  Ceanothus oliganthus var. sorediatus S. Murphy; K. Keck and K. Dyer 2002-5-5 10 Napa Quail Ridge UC Reserve, northern tip of ridge, along northern edge of upper road leading to power lines and tip parcels, NE from the intersection of West and East roads ca. 450m. 327 Comment
  CAS-BOT-BC53177  Ceanothus parryi C. Hart Merriam 1915-6-19 s.n. Napa Ridge west of Napa (between Napa and Sonoma, above Sequoia Resort) Comment
  CAS-BOT-BC53180  Ceanothus parryi Peter H. Raven 1950-5-6 2031 Napa Shaded s. limits of Calistoga on Rt. 28 60 Comment
  CAS-BOT-BC53211  Ceanothus parryi H. E. McMinn 1925-1-24 1368 F Napa Wooden Valley Grade Comment
  CAS-BOT-BC53218  Ceanothus parryi Peter H. Raven 1953-5-2 5415 Napa Soda Creek Canyon ca. 2 miles below Foss Valley 335 Comment
  CAS-BOT-BC53223  Ceanothus parryi Alice Eastwood 1915-6-6 4657 Napa Mt. St. Helena Comment
  OBI10390  Ceanothus parryi Milo S. Baker 1934-4-12 7723 Napa E slope of Mt St. Helena along hwy Comment
  UC1299537  Ceanothus parryi Freed W. Hoffman 1947-3-20 941 Napa East side of Napa Range on Trinity Road Comment
  UC18398  Ceanothus parryi Willis L. Jepson 1893-5-6 Napa near Calistoga; Napa River Basin, near Calistoga Comment
  UC18402  Ceanothus parryi Willis L. Jepson 1894-4-30 Napa sw Calistoga (Rebecca Ranch grade); Napa River Basin, sw of Calistoga Comment
  UC338132  Ceanothus parryi C. C. Parry 1888-1 Napa Calistoga Comment
  UC79858  Ceanothus parryi Katharine Brandegee June 1889 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UC79862  Ceanothus parryi Katharine Brandegee June 1889 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UCD112501  Ceanothus parryi Ray Prag 1970-6-9 s.n. Napa Highway 121, 2.2 miles south of junction with Wooden Valley Road. Comment
  UCD95981  Ceanothus parryi Ellen Dean; with Clare Loughran 2011-5-20 7070 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  SEINET12210841  Ceanothus parryi W. Knight, Knight, I. 1982-1 4490 Napa From Tilden Botanic Garden, Berkeley Comment
  SEINET12211101  Ceanothus parryi F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -302 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  UCSB10935  Ceanothus parryi Dearing, Hugh; Dearing, Margaret 1939-5-2 Napa Dry Creek Road Comment
  CAS-BOT-BC52178  Ceanothus purpureus Willis L. Jepson 1894-2-23 s.n. Napa Near New Eden, Howell Mt. Grade, Napa River Basin Comment
  CAS-BOT-BC52191  Ceanothus purpureus H. E. McMinn 1923-5-25 964 B Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC52198  Ceanothus purpureus John Thomas Howell 1937-7-4 13062 Napa Wooden Valley Grade Comment
  CAS-BOT-BC52200  Ceanothus purpureus Peter H. Raven 1953-4-2 5259 Napa e. of Imola 182 Comment
  JEPS110730  Ceanothus purpureus Jake Ruygt 1991-4-19 2624 Napa Long Ranch south of Lake Hennessey 365 Comment
  RSA22070  Ceanothus purpureus L. S. Rose 1939-4-16 s.n. Napa 4 miles NE of Napa. 198 Comment
  UC1281276  Ceanothus purpureus H. E. McMinn 1944-6-8 1385 D Napa Wooden Valley Comment
  CDA35683  Ceanothus purpureus N. van Kleeck 1971-3-21 Napa East side of the Napa Valley. 0 Comment
  JEPS68364  Ceanothus velutinus L. R. Heckard 1972-6-26 2998 Napa below radar station (se of lookout on peak); Mt. St. Helena Comment
  SEINET12210802  Ceanothus velutinus var. laevigatus W. Knight, Knight, I. 1982-1 4666 Napa Tilden Botanic Garden, Berkeley, originally collected from Mt. St. Helena Comment
  JEPS44142  Centaurea cyanus W. L. Jepson 1936-7-2 17639 Napa Four Corners Napa Range, Howell Mt. Comment
  UCD18004  Centaurea melitensis Ellen Dean; with Plant Biology 102 class 2001-4-28 735 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Downslope of West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. Along old road that leads NW and downslope along a ridge. 242 Comment
  CAS-BOT-BC277209  Centaurea solstitialis Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  UCD19327  Centaurium tenuiflorum M. A. Bibbo; E. Dean 2001-7-6 19 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline on N edge of water hole downslope of the road. 320 Comment
  JEPS106528  Centaurium trichanthum Jake Ruygt 1980-6-1 907 Napa Milton Rd. 0 Comment
  UC153951  Centaurium trichanthum Joseph P. Tracy 1899-7-5 437 Napa 3-4 mi e Angwin's (on hills at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  UC22707  Centaurium trichanthum H. N. Bolander 1863-9-20 2652 Napa Pope Valley Comment
  UC73535  Centaurium venustum Miss M. Alice King Napa St. Helena Comment
  CAS-BOT-BC279252  Centromadia pungens subsp. pungens Peter H. Raven 1951-9-9 3898 Napa Near Slaughterhouse Pt., Napa River 0 Comment
  UCD17984  Cerastium glomeratum Ellen Dean; with Plant Biology 102 class 2001-4-14 710 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. At junction of West Loop Rd. and Decker Bay Trail. 152 Comment
  UCD48855  Cerastium glomeratum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 29 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-0ff Rd. 152 Comment
  SBBG29889  Cercis occidentalis E. Crum 1937-8-8 1956 Napa Putah Crk Cyn, 7 mi SE of Monticello Comment
  SBBG29899  Cercis occidentalis E. Crum 1937-4-18 1787 Napa 11 mi N of Monticello on Knoxville Rd Comment
  UC1540472  Cercis occidentalis Ethel Crum 1937-4-18 1787 Napa on Knoxville Rd 11 mi n Monticello 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
  CHSC79353  Cercocarpus betuloides Beecher Crampton 1966-5-10 7715 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  CAS-BOT-BC135484  Cercocarpus betuloides var. betuloides Alice Eastwood 1918-5-1 6839 Napa Mt. St. Helena Comment
  CAS-BOT-BC135485  Cercocarpus betuloides var. betuloides L. R. Abrams 1916-7-2 5758 Napa Near St. Helena Sanitarium Comment
  UC12149  Cercocarpus betuloides var. betuloides W. L. Jepson 1896-2-22 Napa near Eden (e of Angwin, Howell Mountain); Howell Mountain 914 Comment
  CAS-BOT-BC284571  Chaenactis glabriuscula var. heterocarpha C. F. Baker 1903-5-8 2967 Napa Knoxville Comment
  CAS-BOT-BC284572  Chaenactis glabriuscula var. heterocarpha Peter H. Raven 1951-5-6 2823 Napa Burn below Conn Dam 274 Comment
  HSC43985  Chaenactis glabriuscula var. heterocarpha Robert M. Specht 1977-4-13 656 Napa South-facing slope 488 Comment
  JEPS106930  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 1996-4-12 3608 Napa Blue Ridge, north of Monticello Dam. Portugese Canyon. 487 Comment
  POM54141  Chaenactis glabriuscula var. heterocarpha C. F. Baker 1903-5-8 2967 Napa Knoxville. Comment
  JEPS106428  Chamaesyce ocellata subsp. ocellata Jake Ruygt 1984-7-21 1578 Napa Tubbs Lane at Myrtledale Rd., Calistoga 118 Comment
  CHSC103012  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-12 16437 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS106426  Chamaesyce serpillifolia subsp. serpillifolia Jake Ruygt 1991-6-29 2761 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 115 Comment
  JEPS52338  Chamaesyce serpyllifolia W. L. Jepson 1894-1 13929 Napa St. Helena Comment
  UC1537004  Chamaesyce serpyllifolia Gordon H. True 1937-7-30 826 Napa near Aetna Springs 365 Comment
  UC615139  Chamaesyce serpyllifolia Beryl O. Schreiber 1936-9-20 2356 Napa 5 mi s Reiff 762 Comment
Read comments
Jun 14 2013
  JEPS52333  Chamaesyce serpyllifolia W. L. Jepson 1894-11-5 13934 Napa near St. Helena; Napa River Comment
  JEPS103992  Cheilanthes gracillima Jake Ruygt 1988-4-17 2154 Napa Mt. St. Helena below SW peak; upper portion of canyon 1103 Comment
  CDA29723  Chenopodium ambrosioides M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 221 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  JEPS106818  Chenopodium ambrosioides Jake Ruygt 1978-9-8 407 Napa Marina Dr. at Napa River 3 Comment
  JEPS115770  Chenopodium ambrosioides var. ambrosioides Lowell Ahart 2009-10-12 16436 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  JEPS106846  Chenopodium berlandieri Jake Ruygt 1998-8-26 4107 Napa Big Ranch Road about 1/2 mile south of El Centro Ave. 16 Comment
  JEPS106722  Chenopodium californicum Jake Ruygt 1980-3-2 816 Napa Snell Valley 176 Comment
  UC924252  Chenopodium multifidum H. S. Reed 1948-11-5 2055 Napa Berryessa Valley Comment
  JEPS115759  Chenopodium pumilio Lowell Ahart 2009-10-27 16484 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  JEPS129129  Chlorogalum angustifolium Jake Ruygt 2015-4-25 6082 Napa Missimer-Snell Valley Preserve. Yountville 7.5' Quad. Comment
  UC1197670  Chlorogalum pomeridianum var. pomeridianum J. P. Tracy 1899-7-6 451 Napa head Moore's Creek (3-4 mi e of Angwin's; Howell Mountain); , head of Moore's Creek 365 Comment
  UCD48268  Chlorogalum pomeridianum var. pomeridianum C. Owens; A. Atamian, R. Brush, S. Olmsted, M. Furuyama 2000-4-29 13 Napa Border of Yolo and Napa County, McLaughlin Reserve one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct.1999). 640 Comment
  JEPS128905  Chloropyron molle Jake Ruygt 1979-7-29 783 Napa Fagan's Marsh. Cuttings Wharf 7.5' Quad. Comment
  JEPS35982  Cichorium intybus W. L. Jepson 1917-8-16 7432 Napa St. Helena Comment
  UCD159451  Cichorium intybus D. S. Park 2010-8-5 207 -2 Napa East of Lake Hennessey. Rt. 128, Sage Canyon Rd. Disturbed, roadside. 102 Comment
  JEPS120410  Cichorium intybus Jake Ruygt 2010-6-19 5612 Napa 200 yds west of Hunting Creek along Putah Creek. Comment
  CAS-BOT-BC278020  Cirsium cymosum John Thomas Howell 1940-5-19 15467 Napa St. Helena Creek Canyon near Montesol Comment
  JEPS59225  Cirsium cymosum var. cymosum Willis L. Jepson 1892-7 Napa Knoxville Mountain Region of Clear Lake Comment
  CDA9154  Cirsium douglasii var. breweri D. G. Kelch 2001-6-2 1 .019 Napa E of American Canyon, N of American Canyon Rd. Comment
  CAS-BOT-BC286571  Cirsium occidentale var. venustum Alice Eastwood; John Thomas Howell 1939-6-11 7426 Napa Hood Mt. Range sw. of Oakville Comment
  CAS-BOT-BC286572  Cirsium occidentale var. venustum Peter H. Raven 1951-5-20 2846 Napa W. Oakville 365 Comment
  CDA1480  Cirsium occidentale var. venustum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2257 Napa 1.7 mi. west of Oakville; Oakville Grade Rd. cut west of Summit. Comment
  JEPS59313  Cirsium occidentale var. venustum W. L. Jepson 1936-7-6 17650 Napa Sage Canyon Napa Range, Sage Canyon Comment
  JEPS59308  Cirsium occidentale var. venustum W. L. Jepson 1937-7-16 18450 Napa about 1 mi above Sanitarium (lower slope of Howell Mt.); Howell Mt., St. Helena Comment
  POM352174  Cirsium occidentale var. venustum T. Gertrude Williamson 1924-7-4 s.n. Napa Near St. Helena, Sulphur Springs Comment
  OBI54918  Clarkia affinis Kathleen Faustini 1980-5-4 29 Napa Monticello Dam Comment
  UC930763  Clarkia amoena Alice Eastwood, John Thomas Howell 1939-6-11 7421 Napa sw Oakville; Hood Mt. Range Comment
  CAS-BOT-BC32902  Clarkia breweri Dr. A. W. Saxe 1872-1-1 s.n. Napa Near the Geysers Comment
Read comments
Apr 3 2019
  UCD69057  Clarkia concinna P. Rodriguez-Rojo 1997-5-17 s.n. Napa Chiles and Pope Valley Rd. 200 Comment
  JEPS43613  Clarkia concinna subsp. concinna W. L. Jepson 1896-6-2 14426 Napa mouth Conn Valley (Conn Ridge); Napa Valley Comment
  RSA495956  Clarkia concinna subsp. concinna L. D. Gottlieb 1988-5-24 8820 Napa Hwy 128, near bridge over Soda Creek, at mp 18.48, between Spanish Flat Rd and Lower Chiles Valley Rd., N-facing slope on S of roadway. Comment
  RSA209533  Clarkia gracilis subsp. gracilis Betty H. Johnson 1958-6-15 624 Napa 6.4 miles SW of Middletown Comment
  JEPS110765  Clarkia gracilis subsp. sonomensis Jake Ruygt 1976-5-18 90 Napa 1.4 miles west of Madronna St. on Spring Mountain Rd. 152 Comment
Read comments
Aug 15 2010
  UC1301109  Clarkia gracilis subsp. sonomensis Helen K. Sharsmith 1962-6-3 5117 Napa sw slope Mt. St. Helena (Old Toll Road); San Francisco Bay Region 609 Comment
  JEPS110764  Clarkia gracilis subsp. tracyi Jake Ruygt 1980-6-22 939 Napa .1 mile north of Snell Valley Rd. on Butts Canyon Rd. 204 Comment
  RSA495971  Clarkia gracilis subsp. tracyi L. D. Gottlieb 1988-5-24 8819 Napa On Route 128 between turnoff to Route 121 and Spanish Flat Road at milepost 18.71 Comment
  UCD167104  Clarkia gracilis subsp. tracyi Jake Ruygt 2015-6-13 6125 Napa Sage Canyon Road about 0.5 mi east of Sillverado Trail. 103 Comment
  JEPS1952 Image available Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1904-6-3 2441 Napa Howell Mt. Comment
  UCD48059  Clarkia purpurea subsp. quadrivulnera M. K. Voigt; E. Sweeney, and M. Miller 2002-4-13 8 Napa McLaughlin UC Reserve. SW of old town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 Comment
  JEPS110693  Clarkia rhomboidea Jake Ruygt 1978-5-21 335 Napa .3 mile north of White Cottage Rd. on Summit Rd. 536 Comment
  RSA292921  Clarkia unguiculata Reino Alava 1957-5-30 979 Napa Along State Highway No. 128 at the Napa - Solano county line Comment
  CDA12025  Claytonia exigua G. F. Hrusa 1990-3-19 7501 Napa North Coast Biodiversity Arena; Chiles Valley-Pope Valley Rd. Comment
  CHSC11355  Claytonia exigua subsp. exigua Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  CAS-BOT-BC439372  Claytonia gypsophiloides Peter H. Raven 1951-6-10 s.n. Napa Crater Region, e. of Palisades 762 Comment
  CAS-BOT-BC439371  Claytonia gypsophiloides C. F. Baker 1903-4-20 2611 Napa Mt. St. Helena Comment
  CAS-BOT-BC233835  Claytonia parviflora subsp. parviflora R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6678 Napa Butt's Canyon, 10 mi. N. of Howell Mt. Comment
  UCD168556  Claytonia parviflora subsp. parviflora 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
  UCD49142  Claytonia parviflora subsp. parviflora S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 30 A Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-Off Rd. 152 Comment
  CAS-BOT-BC233834  Claytonia parviflora subsp. parviflora John Thomas Howell 1931-4-3 6132 Napa Pope Creek Canyon 8 miles from Monticello Comment
  UCD20831  Claytonia perfoliata N. Nicola 2001-3-30 047 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  RSA195387  Claytonia rubra Gilbert Muth 1967-4-9 609 Napa Bateman Creek. 610 Comment
  CAS-BOT-BC91449  Clematis lasiantha J. M. Bigelow 1854-4-27 s.n. Napa Hillsides, Napa Valley. Comment
  SFV1260  Clematis lasiantha L. B. Hendrix 1962-5-5 43 Napa South end of Lake Berryessa. Comment
  UCD67948  Clematis lasiantha A. Bennett 1977-4-17 13 Napa Hwy. 128, 4.6 mi. w. of Monticello Dam. Growing on N. side of road in mixed chaparral. Liana on scrub oak. Extensive with last year's growth woody. Yellow flowers. Comment
  CAS-BOT-BC92684  Clematis ligusticifolia John Thomas Howell 1929-8-4 4365 Napa One mile below Samuel Springs, Pope Creek Canon [Canyon], Napa Range. Comment
  CAS-BOT-BC92680  Clematis ligusticifolia H. E. McMinn 1922-8-1 384 Napa Unspecified. Comment
  CAS-BOT-BC474510  Collinsia heterophylla Ellen Dean; D. Potter; D. Hickson; R. Ruygt; C. Donkers 2015-5-2 8672 Napa Knoxville Wildlife Area. Calif. Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. Along Nevada Creek. 470 Comment
  UCD123575  Collinsia heterophylla Kamala Crompton 1996-5-12 12 Napa next to Berryessa-Knoxville Road, 1 mile of Quarry Canyon. 120 Comment
  UCD70459  Collinsia heterophylla M. Thibodeau 1995-4-15 9 Napa W of City of Winters, along hwy 128. Quail Ridge Reserve; 15 m N of main cabin. Flowers purple. 274 Comment
  CAS-BOT-BC474519  Collinsia sparsiflora G. F. Hrusa; R. Cole; D. Anderson 1995-3-26 12029 Napa Quail Ridge Reserve, at entrance gate 290 Comment
  SEINET10548307  Collinsia sparsiflora John T. Middleton 1936-3-27 Middleton 211 A Napa Near monticello. Comment
  UCD13234  Collinsia sparsiflora Jim McKenna 1974-4-28 74 Napa Dutch Henry Canyon Rd, ca. 3 (airline) miles east of Calistoga. 548 Comment
  UCR17489  Collinsia sparsiflora var. arvensis E. Turula 1975-3-29 78 Napa Soda Canyon Road, 4.2 mi. east of Silverado Trail 213 Comment
  UC1238964  Collinsia sparsiflora var. arvensis Freed W. Hoffman 1947-3-20 837 Napa North Coast Ranges, Wooden Valley Wooden Valley; North Coast Ranges, Wooden Valley Comment
  UC26552  Collinsia sparsiflora var. sparsiflora Willis L. Jepson 1893-4-26 Napa La Lomita; Napa River Basin, La Lomita Comment
  UCD116974  Collinsia sparsiflora var. sparsiflora Jillian Howard; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just NE of fire station along dirt road. 519 Comment
  CDA10847  Collomia diversifolia G. F. Hrusa, G. L. Stebbins 1994-4-18 11784 A Napa North Coast Biodiversity Arena; Swartz Cyn. Rd, approx. 2 m. NW of Aetna Springs. 228 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
  UC908736  Collomia heterophylla Herbert L. Mason 1926-3-21 2782 Napa near summit of road Mt. St. Helena Comment
  UCD167221  Collomia heterophylla Jake Ruygt 1998-5-16 3966 c Napa Maggie's Peak area. 579 Comment
  JEPS75689  Cordylanthus mollis subsp. mollis Craig D. Thomsen 1976-7-27 Napa between Fagen Slough and Steamboat Slough; Napa River, Napa Marsh Comment
  RSA92939  Cordylanthus mollis subsp. mollis Peter H. Raven 1952-8-26 s.n. Napa Bentley Wharf 15 Comment
  JEPS55931  Cordylanthus pilosus subsp. pilosus T. I. Chuang and Fei-Mei Chuang 1968-7-24 6477 Napa 1 mi nw of St. Helena Comment
  JEPS62604  Cordylanthus pilosus subsp. pilosus T. I. Chuang with Fei-Mei Chuang 1970-8-25 6841 Napa 1 mi nw St. Helena (on US Hwy 29) Comment
  JEPS6633  Cordylanthus pilosus subsp. pilosus R. F. Hoover 1938-9-23 3859 Napa foothills e St. Helena Comment
  JEPS86195  Cordylanthus pilosus subsp. pilosus L. R. Heckard with Michael Morris 1975-11-24 4191 Napa 2 mi nw Calistoga 106 Comment
  UC761848  Cordylanthus pringlei R. F. Hoover 1938-9-3 3793 Napa just s Lake Co. line (e side of Mt. St. Helena); Mt St. Helena Comment
  JEPS62597  Cordylanthus tenuis subsp. brunneus T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 A Napa just s of Napa and Lake County Line (on U.S. Highway 29); U.S. Highway 29 Comment
  UC1744860  Coreopsis tinctoria John L. Strother 2000-7-2 1364 Napa 1.5 mi SSW of Napa (along eastern shoulder of Route 29, ca. 300 m s of Route 12 West) 20 Comment
  RSA22332  Cornus glabrata Joseph A. Ewan 1934-4-30 8849 Napa Steel Canyon 8 mi. S of Monticello. Comment
  CAS-BOT-BC209415  Cornus nuttallii John Thomas Howell 1926-3-21 1709 Napa St. Helena Creek near Patten's 701 Comment
  CAS-BOT-BC180344  Corylus cornuta subsp. californica Elsa G. Ruckert 1960-2-27 11 Napa 6495 Dry Creek Road. Edge of woods SW of the house, 200 yards up on hillside 365 Comment
  CAS-BOT-BC180345  Corylus cornuta subsp. californica D. E. Breedlove 1980-6-27 44785 Napa 2.2 miles W of Calistoga at Highway 128 on road to Santa Rosa Comment
  UCSB27481  Corylus cornuta subsp. californica Havlik, Neil 1969-6-29 Napa Along State Highway 29, on the northeast slope of Mount St. Helena, about 2 miles south fo the Napa-Lake County Line Comment
  JEPS110660  Crataegus monogyna Jake Ruygt 1995-4-24 3447 Napa Mt. Veeder Road south of Lakoya Road, (Franciscan Estate) 262 Comment
  UCD121192  Crataegus monogyna Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7364 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and Recreation Flat. 526 Comment
  UCD144651  Crocanthemum scoparium Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  OBI49310  Crocanthemum scoparium Joseph Andorfer Ewan 1934-4-30 8825 Napa Sarco crk, 4 mi above Napa Comment
  UCD59925  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa 4 miles east of Rutherford, Conn Reservoir. Comment
  UC55909  Cryptantha flaccida J. P. Tracy 1899-6-17 439 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UC857112  Cryptantha flaccida Joseph Andorfer Ewan 1934-4-30 8842 Napa 5 mi s Monticello (on Steel Canyon road) Comment
  JEPS41085  Cryptantha hispidula Rimo Bacigalupi, and L. R. Heckard 1965-5-15 9092 Napa 0.5 mi se Devilhead Road (from Knoxville to Cedar Valley, headwaters of Zim Zim Creek); Zim Zim Creek 487 Comment
  UC1731385  Cryptantha hispidula Dean W. Taylor 1998-6-18 16668 Napa small side canyon 0.5 mi above (n) mouth of Pope Valley; North Coast Ranges, Butts Canyon 289 Comment
  UC726222  Cryptantha hispidula A. A. Heller 1941-5-16 16126 Napa w of Knoxville (near the summit of the first ridge) Comment
  UCD74373  Cryptantha hispidula Jake Ruygt 2004-5-8 4595 Napa Berryessay-Knoxville Rd., about 1.6 mi. north of Homestake tunnel. 640 Comment
  UCD41409  Cryptantha intermedia Ellen Dean; T. and M. Starbuck 2004-4-3 2001 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. W of turn-off to old town of Knoxville, N side of road, about 0.5 airline miles WSW of site of old town of Knoxville. 437 Comment
  JEPS106704  Cryptantha microstachys Jake Ruygt 1982-5-15 1263 Napa Soda Canyon Rd. on west side of the grade 335 Comment
  UCD47944  Cryptantha muricata M. Carson; A. Haselby, S. Howard, P. Meyers 2000-4-29 4 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  HSC43990  Cryptantha rostellata Robert M. Specht 1977-4-19 684 Napa Above drainage running NE from Adams Creek (site 163) 524 Comment
  JEPS106880  Cryptantha torreyana Jake Ruygt 1998-6-20 4044 Napa On Palisades trail from RLSSP, east of Table Rock. 701 Comment
  JEPS39836  Cupressus lawsoniana W. L. Jepson Nov 29 1907-Nov 30 1907 2968 a Napa Cal. Nursery Co. St. Helena Comment
  JEPS88724  Cupressus macnabiana W. L. Jepson Jul 1897 Napa Samuel Springs to Middleton Comment
  UC1076280  Cupressus macnabiana H. L. Mason 1924-1-23 1208 Napa Pope Canyon Comment
  CAS-BOT-BC85489  Cupressus sargentii Howard E[a]rnest McMinn 1922-7-1 276 Napa Pope Canyon, between Monticello and Pope Valley P.O. Comment
  CDA11162  Cupressus sargentii G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11574 Napa North Coast Biodiversity Arena; 2 m. NW of Aetna Springs along Schwartz Ck. Rd. Comment
  CDA11902  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-8 11718 Napa North Coast Biodiversity Arena; Tree, 10 m in height, along small creek tributary to Swartz Creek. Colony on serpentine, approx. 1/2 mile above Aetna Springs resort. Comment
  CHSC109722  Cupressus sargentii L. R. Abrams 1926-5-4 12282 Napa County line, Napa - Lake County. Comment
  POM282208  Cupressus sargentii Lyman Benson 1935-2-25 6244 Napa N Base Mt St Helena. Mayacamas mtn range, Putah Creek watershed. Napa-Lake Cos. 549 Comment
Read comments
Jan 25 2016
  UCD147461  Cuscuta Ellen Dean; Diana Hickson 2014-4-29 8074 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD170462  Cuscuta Daniel Potter; Ninh Khuu 2016-6-18 891 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 442 Comment
  UCD160702  Cuscuta howelliana Ellen Dean; Jake Ruygt 2015-5-23 8761 Napa McLaughlin UC Reserve on the N side of Knoxville-Berryessa Road, west of the old town of Knoxville site. 416 Comment
  JEPS116545  Cuscuta occidentalis Jake Ruygt 1997-6-28 3869 b Napa White Cliff Springs, east of Soda Valley (Sabini). Chiles Valley 7.5' Quad. Comment
  POM180776  Cuscuta subinclusa J. T. Howell 1930-10-19 5628 Napa Five miles from Aetna Springs on Butts Canyon road to Middletown Comment
Read comments
Feb 4 2011
  JEPS43036  Cuscuta subinclusa W. L. Jepson 1939-9-12 19480 Napa w of St. Helena; Spring Mountain, York Creek Comment
  JEPS47133  Cuscuta subinclusa W. L. Jepson 1930-10-19 15696 Napa Butts Canyon, ne Napa County Butts Canyon Comment
  JEPS126113  Cynoglossum grande Jake Ruygt 1990-4-1 2457 Napa West of Johnson's Meadow, Wild Horse Valley Ranch. Mount George 7.5' Qua. Comment
  SEINET183891  Cynoglossum grande L. Constance 1938-3-27 2038 Napa E slope in Howell Mtns 5 mi E of Napa N Coast Ranges 457 Comment
  UCD170144  Cynoglossum grande Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 733 Napa Knoxville Wildlife Area. 311 Comment
  CAS-BOT-BC114678  Cyperus eragrostis Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga. Comment
  JEPS115960  Cyperus eragrostis Lowell Ahart 2009-10-12 16459 Napa Below the high water mark of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winte 133 Comment
  UCD149603  Cyperus eragrostis Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  CHSC107296  Cyperus erythrorhizos M. K. Byers; F. Favela, J. McDonnell 2009-8-29 218 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). Comment
  SEINET4572024  Cyperus erythrorhizos Lowell Ahart 2009-10-12 16458 Napa Lake Berryessa, along Capell Creek NE of Rest Area, about 19 miles (air) west of Winters. 133 Comment
  UCR146402  Cyperus erythrorhizos Beecher Crampton 1954-10-26 2299 Napa Inner North Coast Ranges, 4 miles east of Rutherford, Conn Reservoir 122 Comment
  CHSC102264  Cypselea humifusa Lowell Ahart 2009-10-27 16475 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, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS116568  Cystopteris fragilis Jake Ruygt 1993-4-3 3181 Napa Little Bear Valley. Detert Reservoir 7.5' Quad. Comment
  CAS-BOT-BC189861  Danthonia californica Peter H. Raven 1952-5-26 4038 Napa Saint Helena to Howell Mountain. 304 Comment
  UCD60520  Danthonia californica Beecher Crampton 1962-5-16 6437 Napa Pope Valley (the town). Comment
  JEPS110902  Datura ferox Jake Ruygt 2001-10-22 4346 Napa Solano Avenue at Oak Knoll Avenue 33 Comment
  JEPS115751  Datura stramonium var. tatula Lowell Ahart 2009-10-27 16502 Napa Below the high water line of Lake Berryessa, about 200 yards east of Eticuera Creek, about 150 yards southeast of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  JEPS104563  Daucus pusillus Jake Ruygt 1984-5-5 1546 Napa ridge north of Bell Canyon Comment
  UCD159908  Daucus pusillus Alice Warrick 2007-5-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD47830  Daucus pusillus A. Haselby; M. Carson, S. Howard, and P. Mayers 2000-4-29 6 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  CAS-BOT-BC287369  Deinandra corymbosa Peter H. Raven 1951-6-24 3031 Napa Valley floor W of Napa 60 Comment
  UCD149642  Delphinium hansenii subsp. hansenii Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.nl. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  LA38212  Delphinium hesperium G. Mehlquist; 357 Napa 7 mi. S of Monticello on road to Napa Comment
  UC467744  Delphinium hesperium subsp. hesperium Katharine Brandegee Napa Pope Valley Grade Comment
  CAS-BOT-BC10113  Delphinium hesperium subsp. pallescens George Ledyard Stebbins 1967-5-31 6523 Napa Cedar Valley south of Knoxville 609 Comment
  CAS-BOT-BC10109  Delphinium hesperium subsp. pallescens John Thomas Howell 1939-4-30 14622 Napa Near Walter Springs Comment
  JEPS13748  Delphinium hesperium subsp. pallescens Frank W. Gould 1939-4-7 620 Napa one mile North of Knoxville on road to Lower Lake 457 Comment
  LA207502  Delphinium hesperium subsp. pallescens H. Lewis; G. Mehlquist 1941-9-5 sn Napa 13.4 mi. N of Monticello Comment
  CAS-BOT-BC9818  Delphinium nudicaule C. F. Baker 1903-4-20 2620 Napa Mt. St. Helena Comment
  HSC58984  Delphinium nudicaule George E. Johnston 1974-4-4 1026 Napa Near Bell Canyon 427 Comment
  SEINET7075475  Delphinium nudicaule A. G. Vestal 1955-4-6 s.n. Napa Steep rocky bank south of Pope Valley in Canyon on Howell Mountain Road. 38? deg. 36' 21" North Latitude, -122? deg. 26' 02" West Longitude. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC9809  Delphinium nudicaule Ella D. Cantelow 1939-4-8 2522 Napa Lower Lake Road, 6 mi. N of Jct. with Pope Creek Road Comment
  UC1126049  Delphinium patens A. Lewis 1932-5-13 73 Napa Calabasas Creek Napa Quadrangle 365 Comment
  RSA155420  Delphinium patens L. S. Rose 1961-3-30 61026 Napa 1 mile N of Conn Reservoir, Lake Henessy. 152 Comment
  CAS-BOT-BC121978  Delphinium uliginosum G. L. Stebbins 1967-5-31 6524 Napa Cedar Valley, south of Knowville Comment
  CAS-BOT-BC17150  Delphinium uliginosum R. C. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6684 Napa Butt's Canyon, 10 mi. from Howell Mt. Comment
  UCD96593  Delphinium uliginosum J. M. Tucker 1965-5-15 3828 Napa Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  SEINET7041066  Delphinium uliginosum Christopher T. Ivey 2002-5-17 357 Napa West side of Chiles-Pope Valley Road, 4.2 miles south of Pope Canyon Road. Comment
  CAS-BOT-BC7914  Delphinium variegatum G. L. Stebbins 1967-5-31 6525 Napa On road from Lower Lake to Knoxville, about 0.5 miles Northwest of Napa Co line 655 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
  JEPS110872  Delphinium variegatum subsp. variegatum Jake Ruygt 1995-5-8 3475 Napa .5 miles west of boatramp on Sage Canyon Road. 100 Comment
  JEPS110974  Delphinium variegatum subsp. variegatum Jake Ruygt 1992-5-20 2987 Napa south of Leoma Lakes, Wild Horse Valley Ranch 411 Comment
  JEPS110975  Delphinium variegatum subsp. variegatum Jake Ruygt 1989-4-22 2290 Napa Snell Valley Rd. near Berryessa Estates 207 Comment
  UC638511  Delphinium variegatum subsp. variegatum Mildred Mathias 1938-4-24 1335 Napa slopes above road on e side of mt. Mount St. Helena 457 Comment
  CHSC25103  Dendromecon rigida J. E. Beitler 1970-4-19 24 Napa Napa. Located on N. side of road ca. 20 feet in from road shoulder, ca. 11.7 mi. W. on Napa-Monticello road from Moskowite Corners. Comment
  UC142990  Dendromecon rigida Mrs. K. Brandegee May, 1910 94 Napa on slopes back of Toll House; North Coast Ranges, Mt. St. Helena Comment
  UCD95179  Dendromecon rigida Heidi E. M. Dobson 1978-4-8 302 Napa East slope of Mt. Veeder. 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-BC198143  Deschampsia danthonioides Joseph P. Tracy 1903-5-15 1854 Napa Napa Valley near Calistoga 91 Comment
  UC1103221  Deschampsia danthonioides J. P. Tracy 1902-5-19 1554 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 518 Comment
  UCD148245  Deschampsia danthonioides Robert E. Preston 2013-4-6 2906 Napa Calistoga, on N side of old landing strip, at east end. 104 Comment
  UCD160764  Deschampsia danthonioides Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8634 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  CAS-BOT-BC201723  Deschampsia elongata Betty H. Johnson 1958-6-20 655 Napa Near Mt. Mill House, 6.4 miles SW of Middletown Comment
  CAS-BOT-BC254473  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1943-6-20 18240 Napa SW of St. Helena Comment
  UCD48273  Dichelostemma capitatum K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 6 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., ca. 20 ft south of path. 545 Comment
  CAS-BOT-BC499420  Dichelostemma capitatum Belle Richardson Jackson 1938-5-29 s.n. Napa Road to Mt. Atlas Comment
  JEPS64160  Dichelostemma capitatum W. L. Jepson 1893-3-13 20967 Napa e of St. Helena Comment
  UCD14948  Dichelostemma capitatum Mark Harder 1977-4-16 4 a Napa California, Napa Co.; 6.4 miles southwest of Monticelo Dam along Highway 128; Comment
  RSA15624  Dichelostemma capitatum subsp. capitatum Carl B. Wolf 1928-2-25 1483 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. 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
  UCD148736  Dichelostemma capitatum subsp. capitatum Jake Ruygt 1977-3-14 154 Napa Napa County; 2.2 miles north of Silverado Trail on Soda Canyon Road. 115 Comment
  UCD48777  Dichelostemma capitatum subsp. capitatum C. Mathews; C. Little, K. Glover, T. Petrie 2001-4-14 11 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; slopes between West Rd. and Decker Bay Trail, 15 ft. N of creek, 2 ft. E of small dry creek bed. 152 Comment
  RSA195380  Dichelostemma capitatum subsp. capitatum Gilbert Muth 1967-4-16 637 Napa Snell Valley. 183 Comment
  RSA734223  Dichelostemma capitatum subsp. capitatum Keith E. Hoffmaster 1946-3-9 1205 Napa Napa range, near summit of Napa-Monticello road. Comment
  UCD149042  Dichelostemma congestum Ellen Dean; S. P. Rae and T. Starbuck 2014-5-11 8188 Napa Arbuckle Winery property at 3454 Redwood Rd on the outskirts of Napa in the Mayacamas Mountains. 137 Comment
  JEPS110905  Dichelostemma volubile Jake Ruygt 1992-5-15 2963 Napa in the vale east of Johnson's Meadow 457 Comment
  CAS-BOT-BC208966  Digitaria ischaemum Peter H. Raven 1952-9-14 5181 Napa Napa State Game Farm 121 Comment
  CAS-BOT-BC153778  Diplacus angustatus Barbara Ertter; Jeffrey Strachan 1980-5-9 3329 Napa Las Posadas State Experimental Forest on Howell Mountain 1-2 mi east of Angwin 548 Comment
  CAS-BOT-BC150366  Diplacus aurantiacus L. R. Abrams 1916-7-12 5769 Napa Near St. Helena Sanitarium Comment
  SEINET13693732  Diplacus aurantiacus R. R. Halse 1989-5-13 3833 Napa Along State Hwy 29 on the Calistoga Grade, ca 2.5 miles N of Calistoga. 240 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
  SBBG28903  Diplacus layneae M. S. Baker 1947-7-7 11849 Napa St. Helena Range, ca. 1.5 mi S along Wood Rd from Mt St. Helena Inn 914 Comment
  RSA52659  Disporum hookeri var. hookeri I. L. Wiggins 1949-4-30 12088 Napa E flank of Mt St Helena. 915 Comment
  UCD37940  Distichlis spicata Beecher Crampton 1962-5-8 6412 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  SBBG128696  Dittrichia graveolens L. Ahart 2009-10-27 16503 Napa sides of rds at intersection of Pope Cyn Rd and Berryessa Knoxville Rd, near Lake Berryessa, ca. 20 mi (air) W of Winters 152 Comment
  JEPS112625  Dodecatheon hendersonii Jake Ruygt 1988-3-26 2128 Napa Toll Canyon 243 Comment
  JEPS9503  Dodecatheon hendersonii Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas; near Atlas Comment
  POM287485  Dodecatheon hendersonii Lyman Benson 1931-2-26 s.n. Napa 4 mi n of Calistoga, Mayacamas Mt. Range. Napa watershed. Northslope. Beneath oaks; base of Mt. St. Helena. 244 Comment
  UCD15063  Dodecatheon hendersonii Julie Knorr 1977-4-16 6 Napa California, Napa Co.; along Highway 128, 6.4 miles west of Monticello Dam; Comment
  JEPS106561  Downingia bicornuta var. bicornuta Jake Ruygt 1993-5-1 3244 Napa Pope Canyon Rd at large vernal pond 187 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
  JEPS126076  Downingia pulchella Jake Ruygt 1993-5-14 3262 Napa West of American Canyon near county line. Cuttings Wharf 7.5' Quad. Comment
  JEPS106569  Downingia pusilla Jake Ruygt 1990-4-9 2469 Napa Milliken Reservoir, Napa City Watershed 356 Comment
  CAS-BOT-BC70942  Dryopteris arguta Elsa G. Ruckert 1960-3-12 22 Napa Bordering private road leading to 6495 Dry Creek Road 365 Comment
  CHSC31985  Dryopteris arguta L. Ahart 1976-3-7 1020 Napa Above Monticello Dam, ca. 2 mi sw of Monticello Dam. 152 Comment
  UCD136448  Dryopteris arguta D. H. Hartmann 1942-3-7 s.n. Napa In Green Valley. Comment
  JEPS49910  Dudleya caespitosa H. P. Chandler 1907-5-14 7570 Napa White Sulfer Springs St. Helena Comment
  UCD101883  Dudleya cymosa P. B. Caitlin 1957-5-16 37 Napa along Putah Creek, 8.4 miles west of Pope Valley. 30 Comment
  UCD101898  Dudleya cymosa M. Wiesendanger 1927-5-4 678 Napa Near Monticello. Comment
  CAS-BOT-BC428157  Dudleya cymosa subsp. cymosa Betty H. Johnson 1958-6-15 618 Napa Near St. Helena River, 6.4 mi. S-W. of Middletown Comment
  UCD101888  Dudleya cymosa subsp. cymosa Lynn Huffaker 1978-6-6 9 Napa 1 mile west of Lower Chiles Valley Road and Chiles Pope Valley Road intersection. Comment
  CAS-BOT-BC428156  Dudleya cymosa subsp. cymosa Alice Eastwood 1930-4-1 s.n. Napa In canon on way to Pope Valley Comment
  JEPS115733  Echinochloa colona Lowell Ahart 2009-10-12 16463 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 133 Comment
  UCD161351  Eleocharis bella Jake Ruygt 1986-8-23 1909 c Napa Lake Hennessey near treatment plant. (Coordinates estimated by label maker at UC Davis). 94 Comment
  UCD147528  Eleocharis macrostachya Ellen Dean; Diana Hickson 2014-4-29 8082 a Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS121357  Eleocharis palustris Jake Ruygt 1991-9-14 2779 Napa Doe Lake, Friesen's lakes, Angwin. Comment
  CAS-BOT-BC112661  Eleocharis parvula Peter H. Raven 1953-10-4 6367 Napa Tidal wash, Duttons Landing. 0 Comment
  UCD161738  Eleocharis radicans Jake Ruygt 1992-7-22 3104 Napa Leoma Lakes, Wild Horse Valley Ranch. 405 Comment
  UC769959  Elymus X hansenii Robert F. Hoover 1941-6-8 5321 Napa Mt. St. Helena; e side Comment
  CAS-BOT-BC203596  Elymus glaucus subsp. glaucus Peter H. Raven 1952-5-31 4153 Napa Nr. Rector Dam 152 Comment
  CAS-BOT-BC203597  Elymus glaucus subsp. glaucus Betty H. Johnson 1958-6-20 654 Napa Near Mt. Mill House, 6.4 mi. S-W. of Middletown Comment
  JEPS122980  Elymus glaucus subsp. glaucus Jake Ruygt 1990-5-16 2551 Napa Calistoga Campground, Lommel Road. Quad: Calistoga. Comment
  JEPS76093  Elymus glaucus subsp. glaucus W. L. Jepson 1938-5-24 18851 Napa plateau n Four Corners; Napa Range, Howell Mountain 762 Comment
  UCD119205  Emmenanthe penduliflora K. Esau; E. Hyde 1938-5-25 s.n. Napa location unknown. Comment
  CAS-BOT-BC166341  Epilobium canum subsp. canum Mrs. E. C. Sutliffe 1919-10-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC166342  Epilobium canum subsp. canum Philip A. Munz 1947-10-10 12215 Napa Inner Coast Ranges, 11 miles east of Rutherford on road to Winters Comment
  RSA505681  Epilobium canum subsp. canum Gordon H. True Jr. 1937-10-12 844 Napa Road cut on road from Napa to Lokoya Lodge 305 Comment
  UC221421  Epilobium canum subsp. canum H. M. Hall 1923-10-12 11924 Napa 16 mi w Monticello (on road to Lower Lake) Comment
  UCD67613  Epilobium canum subsp. latifolium D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-10 s.n. Napa Lake Berryessa. Near Monticello Dam. 180 Comment
  UCR44915  Epilobium ciliatum L. F. LaPre, R. Bjork 1986-7-11 s.n. Napa Inner North Coast Ranges, Tributary to Hunting Creek, 1 mi south of Dunningan Hill, near the Lake Co. line 400 Comment
  UCD160707  Epilobium cleistogamum Ellen Dean; Jake Ruygt 2015-5-23 8766 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  UCD106508  Epilobium minutum Wayne Stoner 1978-4-22 6 Napa West end of Capell Valley. 300 Comment
  UCSC009034  Epilobium minutum Dylan M. Neubauer 2015-4-26 136 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  UCD138944  Epipactis gigantea Barbara Rice 1965-5-15 71 Napa Zim-Zim Creek, 3 miles southeast of Devilshead Road. 365 Comment
  HSC100734  Eragrostis hypnoides Lowell Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa, along Capell Creek, NE of rest area, 3/4 mi. NE of Hwy. 128 on Berryessa Knoxville Rd., 3/4 mi. SW of Capell Cove Launch Ramp, 19 (air) mi. W of Winters. 133 Comment
  JEPS106946  Erigeron foliosus var. franciscensis Jake Ruygt 1995-7-6 3512 Napa Niebaum Lane, Niebaum-Coppola Estate. 131 Comment
  CAS-BOT-BC295130  Erigeron greenei Joseph P. Tracy 1938-8-7 16089 Napa Soda Creek Canyon. Napa Valley, between Napa City and Yountville 91 Comment
  JEPS41411  Erigeron greenei R. F. Hoover 1941-8-24 5572 Napa e side Mt. St. Helena Comment
  CLARK-A1528-2168  Erigeron inornatus John C. Roos 1939-4-16 252 Napa Angwin Comment
  JEPS106948  Erigeron philadelphicus var. philadelphicus Jake Ruygt 1979-5-24 636 Napa 2.5 miles east of Chiles-Pope Valley Rd. on HWY 128 219 Comment
  HSC43918  Eriodictyon californicum Robert M. Specht 1977-4-13 657 Napa South-facing slope 488 Comment
  JEPS121522  Eriodictyon californicum Adam C. Schneider with Dick O'Donnell 2013-5-26 203 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road Comment
  UCD118350  Eriodictyon californicum Reed Crane; 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. 403 Comment
  UCD119296  Eriodictyon californicum Andreas Stohr 1996-4-21 2 Napa Along Road 128. 180 Comment
  UCD148826  Eriodictyon californicum Ellen Dean; Diana Hickson 2014-4-29 8131 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD159950  Eriodictyon californicum 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
  UC623311  Eriogonum compositum var. compositum H. L. Mason 1939-5-18 12101 Napa near St. Helena (near summit of Spring Mountain Grade); Spring Mountain Grade Comment
  JEPS110773  Eriogonum dasyanthemum Jake Ruygt 1997-6-28 3869 Napa White Cliff Springs, east of Soda Valley 353 Comment
  SBBG1475  Eriogonum dasyanthemum J. M. Tucker 1941-9-20 394 Napa Putah Cyn, Vaca Range Comment
  UCD99893  Eriogonum dasyanthemum Christine Lowrie 1972-5-17 35 Napa Napa County Comment
  CAS-BOT-BC266059  Eriogonum luteolum Elizabeth McClintock 1952-8-31 52 -603 Napa About 4 miles north of Aetna Springs in Butts Canyon Comment
  CAS-BOT-BC266061  Eriogonum luteolum John Thomas Howell 1933-8-27 11651 Napa Chiles Valley, Napa Range Comment
  CAS-BOT-BC266062  Eriogonum luteolum John Thomas Howell 1933-8-27 11622 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC266070  Eriogonum luteolum Peter H. Raven 1951-5-20 2851 Napa Hills W. Oakville 548 Comment
  CAS-BOT-BC266054  Eriogonum luteolum Susan G. Stokes 1933-8-27 92 Napa Upper part of Sage Valley, Napa Mountains Comment
  SEINET11938082  Eriogonum luteolum F. W. Hoffman 1947-1 1368 Napa Butts Cayon near Black Oak Villa Comment
  JEPS110762  Eriogonum luteolum var. luteolum Jake Ruygt 1979-5-24 634 Napa 2.1 miles east of Silverado Trail on HWY 128 106 Comment
  SEINET3405138 Image available Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 81 Napa Sage Canyon, Napa Mountains Comment
  UC6530  Eriogonum luteolum var. luteolum Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Wooden Valley grade Comment
  UCD160655  Eriogonum luteolum var. luteolum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8741 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  CAS-BOT-BC271624  Eriogonum nudum var. oblongifolium H. E. McMinn 1922-6-8 201 Napa Pope Canyon Comment
  CAS-BOT-BC269712  Eriogonum nudum var. oblongifolium H. M. Hall 1923-10-12 11925 Napa Northern Napa Co., 16 mi. s.e. of Lowerlake Comment
  UCD164789  Eriogonum nudum var. oblongifolium Jake Ruygt 1981-5-27 1049 Napa American Canyon, .4 mile east of Flosden Road. 152 Comment
  JEPS56436  Eriogonum roseum W. L. Jepson 1930-10-19 15686 Napa Conn Creek Napa Valley, Conn Creek 45 Comment
  SEINET3386691 Image available Eriophyllum lanatum Lewis S. Rose 1934-5-23 34275 Napa N. Slope of Mt. St. Helena Comment
  UCD111673  Eriophyllum lanatum Christopher Mallek 2007-5-13 s.n. Napa Knoxville. 593 Comment
  CAS-BOT-BC301051  Eriophyllum lanatum var. achilleoides L. R. Abrams 1916-7-2 5755 Napa Near St. Helena Sanitarium Comment
  CAS-BOT-BC301052  Eriophyllum lanatum var. achilleoides L. R. Abrams 1928-5-4 12284 Napa 4 mi. south of Middletown Comment
  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
  UCD170836  Eriophyllum lanatum var. achilleoides 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  POM358025  Eriophyllum lanatum var. achilleoides L. S. Rose 1934-5-23 34275 Napa N slope of Mt. St. Helena Comment
  UC165864  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1904-5-23 2092 Napa near Calistoga (e side of Napa Valley); Northern Coast Ranges, Napa Valley 243 Comment
  JEPS106526  Erodium botrys Jake Ruygt 1979-5-19 608 Napa Giles-Mead Ranch 481 Comment
  UCD83407  Erodium botrys Jake Ruygt 1996-3-30 3538 Napa Jameson Vineyards, South Kelly Rd. 54 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
  UCD170346  Eryngium Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 845 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 586 Comment
  JEPS14084  Eryngium aristulatum var. aristulatum W. L. Jepson 1938-6-8 18899 Napa Snell Valley, Playa Comment
  UC2026902  Eryngium aristulatum var. aristulatum David Keil 1986-11-8 19795 Napa Along Lake Berryessa Knoxville Rd. near Knoxville 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill Comment
  UC626482  Eryngium aristulatum var. aristulatum Wilhelm N. Suksdorf 1913-7-24 647 Napa in the neighborhood s.e. Napa Comment
  UC21008  Eryngium articulatum Willis L. Jepson 1894-5-3 Napa near Napa R. St. Helena; Napa R. Basin, St. Helena Comment
  UCD170371  Erysimum capitatum var. capitatum Daniel Potter; N Khuu, K Battenberg 2016-4-30 869 Napa Knoxville Wildlife Area, along Nevada Creek. 194 Comment
  POM339526  Erysimum capitatum var. capitatum F. R. Fosberg 1967-4-1 48420 Napa Hills just south of Lake Berryessa Comment
  RSA101849  Erysimum capitatum var. capitatum G. B. Rossbach, Ruth P. Rossbach 1938-6-1 852 Napa Above Wooden Valley on side toward Napa, about 7 mi NE of Napa. 488 Comment
  SD7044  Erythranthe guttata Brandegee Sept 1888 Napa Howell Mt. Comment
  SEINET13727996 Image available Erythranthe nudata J. M. Tucker 1965-1 3826 Napa Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  CAS-BOT-BC133290  Erythronium helenae Elmer I. Applegate 1932-3-22 7031 Napa Mt. St. Helena, northern Napa County, just east of the [Palasades] Palisades on old stage road Comment
  CAS-BOT-BC133294  Erythronium helenae Elizabeth Wright 1922-4-1 s.n. Napa Near Calistoga Comment
  UC13786  Erythronium helenae Miss Armstrong Mar. 1900 Napa Oa<t?> Hill Comment
Read comments
May 1 2014
  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
  UC1328143  Erythronium helenae Donald V. Hemphill 1941-3-22 155 Napa 1 mile south of Snell Peak. 335 Comment
  CDA11189  Eschscholzia caespitosa G. F. Hrusa 1988-4-16 5537 Napa North Coast Biodiversity Arena; 3/4 mile along Knoxville -Berryessa Rd. from junction of Hwy 128. Comment
  JEPS110780  Eschscholzia caespitosa Jake Ruygt 1989-4-8 2248 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 182 Comment
  RSA785708  Eschscholzia caespitosa Carrie A. Herd 1982-5-9 92 Napa Trinity, Dry Creek Road, 0.5 mi. E. of Mt. Veeder Rd. Comment
  CAS-BOT-BC402784  Eschscholzia caespitosa Mrs. H. C. Cantelow 1939-4-8 2513 Napa Pope Creek Rd. nr. Walter's Spring Rd. Comment
  CAS-BOT-BC402785  Eschscholzia caespitosa Lester Rowntree 1937-3-30 s.n. Napa Steel Canyon near Napa Comment
  CAS-BOT-BC402789  Eschscholzia caespitosa J. Clausen 1935-5-22 1067 Napa 19.5 mi. S. E. of Lower Lake on the Monticello road, near Knoxville (ca. 1.3-1.6 mi. S. of Knoxville) Comment
  UCD95260  Eschscholzia caespitosa R. L. Smith 1948-5-1 s.n. Napa 8 miles east of Samuel Springs, east branch of Monticello Valley. Comment
  CAS-BOT-BC403341  Eschscholzia californica Alice Eastwood 1900-5-8 s.n. Napa Calistoga Comment
  CAS-BOT-BC403338  Eschscholzia californica Gilbert Muth 1967-4-16 631 Napa Snell Valley 182 Comment
  UC186886  Eschscholzia californica C. F. Sonne April, 1887 Napa Napa Valley Comment
  RSA15683  Eschscholzia californica var. crocea Carl B. Wolf 1928-2-25 1485 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UC635607  Eschscholzia lobbii H. L. Mason 1926-3-27 2799 Napa road between Gordon Valley and Wooden Valley Comment
  SEINET3093500 Image available Eucalyptus globulus Royal D. Suttkus 1967-6-26 67- 30 -5 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  JEPS126043  Eucrypta chrysanthemifolia var. chrysanthemifolia Jake Ruygt 1989-4-8 2254 Napa About 1/2 mile south of Monticello Dam on Vaca Mount. Monticello Dam 7.5' Quad. Comment
  JEPS129137  Euphorbia maculata Jake Ruygt 1978-6-19 365 Napa Trefethen Winery, Oak Knoll Avenue. Napa 7.5' Quad. Comment
  OBI74552  Euphorbia serpillifolia David J. Keil 1986-11-8 19799 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 3.0 mi S of turnoff to Homestake McLaughlin Mine/Mill 350 Comment
  JEPS100816  Euphorbia spathulata Dean Wm. Taylor with Mey Akasah 1999-6-4 17220 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  UCD142488  Euphorbia spathulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1218 Napa Along State Highway 128; 5.6 miles north of its junction with State Highway 37. Comment
  JEPS32431  Euthamia occidentalis Willis L. Jepson 1893-9-24 Napa Howell Mt. Angwin's; Napa River Basin Comment
  JEPS122946  Festuca arundinacea Jake Ruygt 1989-4-22 2288 Napa Capell Creek. Quad: Capell Valley. Comment
  UCD163273  Festuca californica D. Slakey; CNPS Volunteers 2015-4-25 117 .5 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  CAS-BOT-BC278340  Festuca californica subsp. californica Peter H. Raven 1964-5-9 19069 Napa Along dirt road 2 miles west of Aetna Springs Comment
  CAS-BOT-BC278344  Festuca californica subsp. californica Carl B. Wolf 1928-5-3 1815 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC278345  Festuca californica subsp. californica L. R. Abrams 1928-5-3 12205 Napa St. Helena Grade Comment
  CHSC83359  Festuca californica var. californica L. P. Janeway; B. Castro 2002-5-12 7542 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. 564 Comment
  UCR146181  Festuca microstachys Beecher Crampton 1961-5-22 5878 Napa Inner North Coast Ranges, Northern end of Capell Valley, along State Highway 128, above Capell Creek 213 Comment
  JEPS17498  Foeniculum vulgare Willis L. Jepson 1894-10-15 14234 Napa rd. to the river east St. Helena Comment
  JEPS44880  Fragaria vesca W. L. Jepson 1910-3-28 4021 Napa sw of Calistoga (on Rebecca Ranch grade) Comment
  JEPS44868  Fragaria vesca Willis L. Jepson 1893-5-1 13872 Napa Calistoga Napa River Basin (on Knights Valley grade) Comment
  CAS-BOT-BC454532  Fragaria vesca subsp. californica Alice Eastwood 1922-5-4 11249 Napa Calistoga Comment
  UCD112535  Frangula californica Heidi E. M. Dobson 1978-5-25 331 Napa east slope of Mt. Veeder. Comment
  UCSB24693  Frangula californica subsp. tomentella McMinn, Howard 1922-07 Napa Pope Canyon Comment
  CAS-BOT-BC223444  Fraxinus dipetala H. E. McMinn 1922-6-8 202 Napa Pope Canon [Canyon] Comment
  JEPS122724  Fraxinus latifolia Jake Ruygt 1979-3-13 451 Napa Northeast corner of Trefethen Vineyard along Creek. Quad: Napa Comment
  POM136142  Fremontodendron californicum C. F. Baker 1903-5-8 2972 Napa Knoxville. Comment
  UCD40901  Fremontodendron californicum Katherine Countrey 1983-5-29 21 Napa On Knoxville-Berryessa Raod, 5 miles northwest of Knoxville, on north side of road. 365 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
  UCD139705  Fritillaria pluriflora Robert E. Preston 1988-4-10 585 Napa ca. 0.3 mile SE of the confluence of Putah and Hunting Creeks. 304 Comment
  UC421723  Fritillaria purdyi Mrs. L. M. McArthur 1930-4-3 Napa Calistoga, summit of second range Calistoga Comment
  POM224397  Fritillaria recurva Ethel Crum 1936-3-15 1739 Napa Butts Canyon, Pope Valley - Middletown Road Comment
  UCSC010490  Fritillaria recurva Dylan M. Neubauer, Tim Forsell 2016-4-1 610 Napa (NCoRI) just e Butts Canyon Road, .91 air-mile s junction with Snell Valley Road 327 Comment
  JEPS61951  Fritillaria recurva W. L. Jepson 1893-4-29 14820 Napa near St. Helena (Napa Valley, on York Creek, nw of town); Napa Valley, York Creek Comment
  RSA52739  Fritillaria recurva I. L. Wiggins 1949-4-30 12091 Napa Mount St. Helena near Lake Co. Line Comment
  UC1196110  Galium andrewsii subsp. andrewsii Joseph P. Tracy 1902-5-15 1466 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 426 Comment
  UC1196086  Galium bolanderi Joseph P. Tracy 1899-6-26 428 Napa 3-4 mi e Angwin's (hills at head of Noore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD49249  Galium boreale subsp. septentrionale L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 14 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along North Decker Canyon Rd., 20-30 ft. S of the stream. 161 Comment
  UC102475  Galium californicum subsp. californicum Brandegee Aug. 1888 Napa Howell Mountain Comment
  UC1196107  Galium californicum subsp. californicum Joseph P. Tracy 1899-6-26 426 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  JEPS3955  Galium divaricatum John Thomas Howell 1943-6-19 18237 Napa hills w Napa Valley (between St. Helena and Mt. St. John) 228 Comment
  UCR64599  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa Hills west of Napa Valley between St. Helena and Mt. St. John 229 Comment
  POM303720  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa W of Napa Valley betw St. Helena and Mt. St. John. Napa Valley. 229 Comment
  JEPS85031  Galium porrigens var. porrigens Larry Heckard and Mary Ashton 1969-5-3 2208 Napa off the Atlas Peak Rd ca 7 mi ne Napa (slope above (s of) meadow); Mead Ranch 457 Comment
Read comments
Jan 19 2007
  UC1196096  Galium tricornutum Joseph P. Tracy 1899-6-13 424 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  HSC38149  Garrya congdonii Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2346 Napa Along Morgan Valley Rd., 0.5 mi. from Lake Co. line Comment
  UC1328139  Garrya congdonii Donald V. Hemphill 1940-3-23 63 Napa Snell Valley Snall Valley; Snell Valley 518 Comment
  UCD162740  Garrya congdonii Dylan O. Burge; J. Rugyt 2014-5-23 1626 Napa Butts Canyon Road, roadside. 222 Comment
  UC402907  Garrya flavescens Mrs. H. P. Bracelin 1930-3-23 Napa 1.5 mi se Mt. St. Helena Inn (flanks of Mt. St. Helena); Mt. St. Helena Comment
  CAS-BOT-BC144376  Garrya fremontii Milo S. Baker 1941-6-30 10157 Napa Along Hiwy. to Howell Mt., north road from Silverado Trail to Pacific Union College Comment
  CAS-BOT-BC144377  Garrya fremontii John Thomas Howell 1939-2-5 14597 Napa Summit of Wooden Valley Grade Comment
  CAS-BOT-BC144424  Garrya fremontii Mrs. H. P. Bracelin 1930-3-23 s.n. Napa Flanks of Mt. St. Helena. 1 1/2 mi. S.E. of Mt. St. Helena Inn Comment
  CAS-BOT-BC159264  Garrya veatchii John Thomas Howell 1933-8-27 11638 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC159265  Garrya veatchii M. S. Jussel 1902-4-10 s.n. Napa St. Helena, 10 miles N.E. Cliff Spring Comment
  UCD159940  Gastridium phleoides 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
  CAS-BOT-BC278654  Gastridium phleoides David D. Keck 1933-5-28 2328 Napa Howell Mountain, 2 miles west of Pacific Union College Comment
  UCD66546  Gastridium phleoides Beecher Crampton 1965-6-30 7415 Napa Solano - Napa Counties: Summit of Mt. Vaca, Vaca Mtns. 872 Comment
  JEPS71221  Gastridium ventricosum W. L. Jepson 1936-7-3 17633 Napa Four Corners Howell Mt.; Napa Range, Howell Mt. 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
  UCD48038  Geranium dissectum M. Ochoa; K. Carpenter, S. Cruz, D. Goldberg, and K. Watts 2000-4-28 24 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, west of Old Knoxville Rd. 438 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
  JEPS85015  Geranium molle Larry Heckard and Mary Ashton 1969-5-3 2223 Napa 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd); Mead Ranch 457 Comment
  HSC98501  Geranium purpureum Barbara Ertter, Jake Ruygt 1996-4-25 14601 Napa Kroeber Ranch on NE flank of Mt. St. John, W of Rutherford in Napa Valley Comment
  UCD83410  Geranium purpureum Jake Ruygt 1986-5-7 1755 Napa Napa, Skyline Park. 152 Comment
  SEINET233344  Gilia capitata Hilary Jane Ernst 1981-5-24 75 Napa Sage Canyon Road base of Conn Dam 1.2 mi E of intersection with the Silverado Trail 73 Comment
  UCD117694  Gilia capitata subsp. capitata M. Ensign 1943-5-28 316 Napa about 26 miles north of Monticello on road to Lower Lake. Comment
  POM203323  Gilia tricolor J. T. Howell 1931-4-4 6163 Napa Near Toll House, Mt. St. Helena Comment
  UCD167224  Gilia tricolor subsp. diffusa Jake Ruygt 1986-4-12 1689 Napa Devil's Canyon. 536 Comment
  JEPS110963  Gilia tricolor subsp. tricolor Jake Ruygt 1995-4-17 3425 Napa west end of Niebaum Lane, Rutherford (Coppola Estate) 100 Comment
  UC1301137  Gilia tricolor subsp. tricolor Helen K. Sharsmith 1963-3-17 5233 Napa Silverado Trail San Francisco Bay Region, Silverado Trail 76 Comment
  UC23857  Gilia tricolor subsp. tricolor Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin Comment
  UCSB9986  Githopsis specularioides Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek about 3 miles east of Chiles Valley 304 Comment
  JEPS122725  Glinus lotoides Jake Ruygt 1989-10-2 2416 Napa South Shore of Lake Hennessey along Sage Canyon Road. Quad: Yountville. Comment
  UC1563928  Glinus lotoides Barbara Ertter with Elizabeth Neese 1988-10-2 7966 Napa 15 air mi nnw of Napa (Lake Hennessey on Conn Creek, e of boat-launching ramp on se edge); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  UCD19936  Glinus lotoides E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 794 Napa Quail Ridge Reserve. Slough on N side of Decker Bay Trail, in a dried inlet of Lake Berryessa. 128 Comment
  CDA5426  Gnaphalium japonicum H. Stabo Oct 1961 Napa F. Nicholls property, end of Mayo Lane, St. Helena. 0 Comment
  CDA34653  Gnaphalium luteoalbum L. 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 southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 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
  JEPS110682  Gratiola ebracteata Jake Ruygt 1986-4-26 1732 Napa 4.5 miles north of Westgate Dr. on Atlas Park Rd. 446 Comment
  UC147896  Gratiola ebracteata Joseph P. Tracy May 15 1903-May 18 1903 1873 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  UCD148102  Grindelia camporum Jake Ruygt 1987-10-12 2107 Napa Putah Creek north of Berryessa Estates. 146 Comment
  CAS-BOT-BC314580  Grindelia hirsutula Peter H. Raven 1951-6-26 3099 Napa 4 miles N of Vallejo near Solano Co. line 30 Comment
  JEPS106918  Grindelia hirsutula Jake Ruygt 1992-9-5 3146 Napa HWY 221 south of Kennedy Drive, south-bound lane 12 Comment
  JEPS121525  Grindelia hirsutula Adam C. Schneider with Dick O'Donnell 2013-5-26 234 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS7807  Grindelia hirsutula Peter H. Raven 1951-6-26 3098 Napa Imola to Napa Junction 24 Comment
  JEPS7832  Grindelia hirsutula Peter H. Raven 1950-6-20 2355 Napa between Conn Valley and Howell Mt.; Napa Range Comment
  UC134569 Image available Grindelia hirsutula Alice Eastwood 1900-5-7 Napa Calistoga Comment
  JEPS54083  Guillenia lasiophylla W. L. Jepson 1894-5-2 13347 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  CAS-BOT-BC302221  Harmonia nutans John Thomas Howell 1931-4-2 6075 Napa Wooden Valley Grade 5 miles east of Napa Comment
  CAS-BOT-BC302222  Harmonia nutans John Thomas Howell 1930-7-13 5348 Napa Edge of the Crater Country 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
  SJSU11766  Harmonia nutans J. D. Paravantes 1973-4-14 Napa Soda Canyon Rd 5 mi N of intersection with Silverado Trail Comment
  UC1746026  Harmonia nutans Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2769 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UC89166  Harmonia nutans Brandegee April, 1889 Napa Toll House Mt. St. Helena Comment
  CDA29733  Helenium puberulum M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 215 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
  JEPS106683  Helianthella californica subsp. californica Jake Ruygt 1977-5-1 202 Napa east of east end of Westgate Dr., Napa 134 Comment
  JEPS21036  Helianthella californica subsp. californica W. L. Jepson 1904-6-3 2450 Napa Howell Mt. Comment
  CAS-BOT-BC223903  Helianthemum scoparium John H. Thomas 1955-5-21 5107 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  LA204756  Helianthemum scoparium J. A. Ewan; 1934-9-30 8825 Napa Sarco Creek, 4 mi. above Napa Comment
  CDA11825  Helianthus bolanderi G. F. Hrusa 1993-10-3 11426 Napa North Coast Biodiversity Arena; 2.1 m. SW along Knoxville-Devilhead Rd. from Knowville-Berryessa Rd. 518 Comment
  JEPS106670  Helianthus bolanderi Jake Ruygt 1991-8-5 2821 Napa 3.2 miles north of Pope Creek on Berryes sa-Knoxville Rd. 118 Comment
  RSA128975  Helianthus bolanderi Peter H. Raven 1951-10-28 3949 Napa 1-3 miles east of Chiles Valley 305 Comment
  HSC5789  Helianthus californicus H. P. Chandler 1906-11-10 7128 Napa Alta Loma Ranch; Howell Mtn. 488 Comment
  JEPS4458  Helianthus californicus W. L. Jepson 1893-9-24 13426 Napa Angwin's Meadows Howell Mt., Angwin's Meadows Comment
  JEPS4459  Helianthus californicus W. L. Jepson 1893-9-24 13426 Napa Napaleo, Angwin's Meadows Howell Mt., Napaleo, Angwin's Meadows Comment
  UCD74368  Heliotropium curassavicum var. oculatum Jake Ruygt 1991-6-29 2762 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville Rd. 121 Comment
  UCD75846  Heliotropium curassavicum var. oculatum Jake Ruygt 1979-6-9 688 Napa 21.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R. 487 Comment
  CDA20044  Heliotropium europaeum K. Smith, M. Bozzo 2002-9-4 PDR P 133430 Napa Northern California; Kendall Smith Vineyards. 0 Comment
  CHSC102262  Helminthotheca echioides Lowell Ahart 2009-10-27 16481 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CHSC102527  Helminthotheca echioides Lowell Ahart 2009-10-12 16427 Napa Below the high water line of Lake Berryessa, along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters.F 133 Comment
  CAS-BOT-BC305850  Helminthotheca echioides Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  JEPS38351  Hemizonia congesta subsp. clevelandii Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  CAS-BOT-BC309835  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1930-10-19 5612 Napa 1 mile east of Aetna Springs, Pope Valley Comment
  CDA11970  Hemizonia congesta subsp. luzulifolia G. F. Hrusa, M. Hooper 1995-9-12 12462 Napa North Coast Biodiversity Arena; First main tributary on W side of Lake Hennessey above Conn Dam. Comment
  JEPS38290  Hemizonia congesta subsp. luzulifolia W. L. Jepson 1930-10-19 15690 Napa Pope Valley Comment
  UC174177  Hemizonia congesta subsp. luzulifolia D. Cleveland 1882-8-23 Napa Aetna Springs Comment
  UCD169870  Hemizonia congesta subsp. luzulifolia Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 805 Napa Knoxville Wildlife Area. Upper Zim Zim Ceek drainage. 432 Comment
  CDA10967  Hemizonia congesta subsp. luzulifolia G. F. Hrusa 1988-9-4 5701 Napa North Coast Biodiversity Arena; Butts Canon, 10 m. SE of Middletown. Comment
  UC523516  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2722 Napa 5 mi s Napa; Vallejo Comment
  RSA32838  Hemizonia parryi subsp. parryi A. A. Heller 1941-9-22 16318 Napa Just back of the hot springs at Calistoga. Comment
  SBBG5196  Heracleum maximum H. and M. Dearing 1939-4-29 3227 b Napa Conn Valley Comment
  UC164895  Hesperevax sparsiflora var. sparsiflora J. P. Tracy 1902-5-16 1511 Napa 3-4 mi e of Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  JEPS112581  Hesperolinon Jake Ruygt 1984-5-19 1558 Napa Cedar Roughs 633 Comment
Read comments
Jan 2 2011
  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
  LA47291  Hesperolinon bicarpellatum Helen Sharsmith; 1952-6-20 4145 Napa above Pope Creek ca. 0.5 mi. from Walter Springs 152 Comment
  OBI12551  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Cyn and Pope Valley on tributary of Pope Crk 274 Comment
  UC1212350  Hesperolinon bicarpellatum Helen K. Sharsmith 1951-10-21 4035 Napa 7.2 mi sw Monticello; Inner North Coast Ranges, Steel Canyon Comment
  UC1212352  Hesperolinon bicarpellatum Helen K. Sharsmith 1957-6-18 4605 Napa one fourth mile n Pope Valley (on road to Butt's Creek); Inner North Coast Ranges 243 Comment
  UC1212357  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4139 Napa 1.5 mi e Black Oak Villa; Inner North Coast Range, Butts Canyon 213 Comment
  UCD167349  Hesperolinon bicarpellatum Jake Ruygt 2007-5-19 5187 Napa Las Posadas State Forest, north east of Recreation Flat. 402 Comment
  CAS-BOT-BC176015  Hesperolinon californicum Peter H. Raven 1950-6-20 2369 Napa In the Napa Range between Conn Valley and Howell Mtn. Comment
  JEPS112649  Hesperolinon californicum Jake Ruygt 1988-5-29 2196 Napa Cedar Valley 603 Comment
  JEPS122903  Hesperolinon californicum Adam C. Schneider 2015-5-19 933 Napa Along Pope Valley Rd. Comment
  JEPS127853  Hesperolinon californicum Adam C. Schneider with Dick O'Donnell 2013-5-28 250 Napa Conn Valley Road, 2.1 miles west of Northwest corner of Lake Hennessey. Comment
  JEPS127889  Hesperolinon californicum Adam C. Schneider with Dick O'Donnell 2013-5-26 218 Napa About 200 meters west of Butts Canyon Road. Comment
  UC1212445  Hesperolinon californicum Freed W. Hoffman 1947-6-18 1650 Napa Pope Valley Road Inner North Coast Ranges Comment
  UC1212455  Hesperolinon californicum Helen K. Sharsmith 1957-6-18 4604 Napa head Pope Creek Canyon (where stream leaves Pope Valley); Inner North Coast Ranges 243 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
  UCD169869  Hesperolinon californicum Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 804 Napa Knoxville Wildlife Area. Upper Zim Zim Ceek drainage. 432 Comment
  POM180782  Hesperolinon clevelandii J. T. Howell 1930-7-13 5359 Napa On the edge of the Crater Country Comment
  UCD167295  Hesperolinon clevelandii Jake Ruygt 2007-5-26 5193 Napa Duff Ranch; northeast side of High Point. 768 Comment
  JEPS129121  Hesperolinon disjunctum Jake Ruygt 2015-5-2 6089 Napa West of Buck Mountain near Nevada Creek. Knoxville 7.5' Quad. Comment
  UC1212499  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa Pope Valley-Monticello road about one mi e spur road to Samuels Springs (s-facing slope above Pope Creek); Inner North Coast Ranges 121 Comment
  UC1212478  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4149 Napa ca 2 mi ne Knoxville (on Knoxville-Lower Lake road); Inner North Coast Ranges 609 Comment
  RSA653987  Hesperolinon micranthum Beecher Crampton 1956-5-25 3452 Napa Vaca Mountains, Martley Canyon, along new road from Monticello Dam to Napa Comment
  UC1736421  Hesperolinon micranthum Dean W. Taylor 1998-6-18 16673 Napa ridge dividing Butts Canyon and Spanish Valley 502 Comment
  UCD160739  Hesperolinon micranthum Ellen Dean 2015-5-23 8791 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 240 Comment
  JEPS122790  Hesperolinon sharsmithiae Jake Ruygt 2009-6-22 5446 Napa Near Capell Creek, west of Bear Flat. QUAD: Capell Valley. Comment
  JEPS127877  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-26 206 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road. Comment
  JEPS123309  Hesperolinon sharsmithiae David Gowen 2009-6-18 1069 Napa Along pope canyon Road, north of Cedar Roughs, just east of where Pope Creek crosses from north to south of road. Comment
  JEPS122775  Hesperolinon spergulinum Jake Ruygt 1982-6-29 1357 Napa 0.4 miles west of Pope Valley Road on Howell Mtn. Road. QUAD: St. Helena Comment
  UC146128  Hesperolinon spergulinum J. P. Tracy 1905-7-6 2233 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UC1212394  Hesperolinon spergulinum Helen K. Sharsmith 1959-5-18 4710 Napa n of Aetna Springs (about 1 mi above the hotel); Inner North Coast Ranges 274 Comment
  UC1536920  Heteromeles arbutifolia Gordon H. True Jr. 1937-6-20 729 Napa e of Napa (Mt. George); Mt. George 304 Comment
  UCD113314  Heteromeles arbutifolia Heidi E. M. Dobson 1978-7-12 347 Napa East slope of Mt. Veeder. Comment
  UCD118394  Heteromeles arbutifolia Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  JEPS2452  Heterotheca oregona var. compacta W. L. Jepson 1892-10-22 14680 Napa near St. Helena (Sulphur Springs Creek bed); Sulphur Springs Creek Comment
  UCD35477  Holocarpha virgata Beecher Crampton 1957-4-15 3933 Napa between Wragg Canyon and Capell Valley. Comment
  CAS-BOT-BC149993  Holodiscus discolor var. discolor Betty H. Johnson 1958-6-20 660 Napa Along old toll road, near Mt. Mill House, 6.4 miles SW of Middletown Comment
  UCD36377  Hordeum brachyantherum Beecher Crampton 1953-6-2 1436 Napa 8 miles south of Middletown, small meadow along Highway 53. Comment
  CAS-BOT-BC280879  Hordeum brachyantherum subsp. brachyantherum Peter H. Raven 1950-4-15 1702 Napa Napa 9 Comment
  JEPS76119  Hordeum brachyantherum subsp. brachyantherum W. L. Jepson 1938-6-8 18893 Napa South Fork Butts Creek , Butts Canyon (Butts Canyon) Comment
  UCD85513  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1953-5-19 1308 Napa Chiles Valley. Digger Pine belt. 10 miles west of Monticello, along Hwy. 128. Comment
  UC754605  Hordeum brachyantherum subsp. californicum G. L. Stebbins Jr. and G. Covas 1948-5-9 3933 Napa on road from Rutherford to Monticello, at jct.of road from Pope Valley, near head of Sage Canyon Comment
  UCD85529  Hordeum brachyantherum subsp. californicum Beecher Crampton 1962-5-16 6424 Napa 6.4 miles S of Pope Valley, western slope of Chiles Valley. Comment
  UCD85898  Hordeum marinum subsp. gussoneanum R. Tofsrud 1949-1 s.n. Napa Between Montecello and Knoxville Comment
  RSA123452  Hordeum murinum subsp. glaucum J. B. Spring 1932-5-27 66 Napa Head Carneros Creek 366 Comment
  UC12395  Horkelia californica subsp. dissita Willis L. Jepson Nov 26 1895-Nov 27 1896 Napa Howell Mtn., Sea Jota Plateau, Napa River Basin Comment
  UCD75716  Hosackia crassifolia var. crassifolia Jake Ruygt 1989-5-20 2340 Napa Vaca Mtns. About 1 mile north of Mt. Vaca. 810 Comment
  UC521696  Hypericum concinnum Joseph Andorfer Ewan 1933-9-17 8008 Napa near n. summit Mt. St. Helena Comment
  UCD120789  Hypochaeris radicata Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7329 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  UCD133462  Hypochaeris radicata Heidi E. M. Dobson 1978-6-14 345 Napa east slope of Mt. Veeder. Comment
  SEINET4170695  Iris fernaldii Unknown 1969-5-24 Napa End of Capell Valley W. of Lake Berryessa. 198 Comment
  UC571171  Iris fernaldii H. L. Mason 1926-3-22 2789 Napa between Calistoga and Petrified Forest Comment
  UC896991  Iris fernaldii Milo S. Baker 1932-4-26 3955 Napa highway s Monticello Comment
  UCD138725  Iris fernaldii Heidi E. M. Dobson 1978-4-8 297 Napa East side of Mt. Veeder. Comment
  JEPS126028  Iris longipetala Jake Ruygt 1981-4-20 992 Napa American Canyon, east of Flosden Road. Cordelia 7.5' Quad. Comment
  JEPS126061  Iris longipetala Jake Ruygt 2009-5-22 5411 Napa American Canyon, across road from quarry. Cordelia 7.5' Quad. Comment
  JEPS17332  Iris macrosiphon W. L. Jepson 1900-3-10 516 Napa Howell Mt. Comment
  UC1134711  Iris macrosiphon A. Lewis 1932-5-18 98 Napa Dry Creek; Napa Quad. 152 Comment
  UCD149715  Iris macrosiphon 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
  UCD18030  Iris macrosiphon Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 576 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
  UCD48720  Iris macrosiphon M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 10 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines. 50 ft. N of lat./long position. 289 Comment
  JEPS129168  Isoetes howellii Jake Ruygt 2015-5-2 6086 e Napa West of Buck Mountain near Nevada. Knoxville 7.5' Quad. Comment
  UCD160710  Isoetes howellii Ellen Dean; Jake Ruygt 2015-5-23 8769 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  JEPS116566  Isoetes orcuttii Jake Ruygt 2006-5-23 5040 Napa South of Wild Lake, downslope of road. Saint Helena 7.5' Quad. Comment
  JEPS129166  Isoetes orcuttii Jake Ruygt 2015-3-21 6048 d Napa Missimer - Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  JEPS121362  Isolepis carinata Jake Ruygt 1986-6-21 1837 Napa Fagans Marsh Comment
  SEINET265719  Juglans californica Royal D. Suttkus 1967-6-26 67- 30 -36 Napa Clearly Reserves 7.2 mi NW of Pope Valley Comment
  UC484303  Juglans californica var. hindsii Carl B. Wolf 1930-11-3 1801 Napa above Wooden Valley; Napa Range, Munson Ranch 304 Comment
  UCD170365  Juglans hindsii Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 863 Napa Knoxville Wildlife Area, along Berryessa-Knoxville Road. 240 Comment
  CHSC93644  Juglans nigra Paul Kirk 2001-10-25 10 Napa Duffy Ranch. 30 Comment
Read comments
Jan 14 2009
  JEPS66906  Juncus balticus W. L. Jepson Jun 23 1918-Jun 24 1918 7664 Napa Calistoga Comment
  UC1601694  Juncus bufonius Ferd. L. Clarke 1892-1 Napa near Yountville Comment
  JEPS122670  Juncus bufonius var. bufonius Jake Ruygt 1992-5-15 2961 Napa Meadow north of the Polo Field, Wild Horse Valley Ranch. Quad: Mt. George. Comment
  JEPS122683  Juncus kelloggii Jake Ruygt 2007-5-17 5180 Napa Duff Ranch, NE of Grassy Hill. Quad: Calistoga. Comment
  UC14894  Juncus kelloggii J. P. Tracy 1902-5-18 1534 a Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 518 Comment
  UC1601770  Juncus occidentalis J. Burtt Davy 1894-9-29 740 Napa Calistoga Comment
  UCD149040  Juncus occidentalis Ellen Dean; S. P. Rae and T. Starbuck 2014-5-11 8186 Napa Arbuckle Winery property at 3454 Redwood Rd on the outskirts of Napa in the Mayacamas Mountains. 137 Comment
  UCD160712  Juncus occidentalis Ellen Dean; Jake Ruygt 2015-5-23 8771 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  UCD168530  Juncus occidentalis Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UC842739  Juncus occidentalis Lewis S. Rose 1935-6-4 35204 Napa e slope Mt. St. Helena 457 Comment
  JEPS122659  Juncus oxymeris Jake Ruygt 1996-5-31 3726 Napa South of James Creek road and Butts Canyon Road, Pope Valley. Quad: Aetna Springs. Comment
  JEPS75645  Juncus patens W. L. Jepson 1936-6-1 17577 Napa w side Four Corners; Napa Range, Howell Mt. Comment
  CAS-BOT-BC236773  Keckiella breviflora Roger von Preissig 1954-5-20 74 Napa South slopes of Mt. St. Helena on road from Santa Rosa to Calistoga 304 Comment
  JEPS110685  Keckiella breviflora var. glabrisepala Jake Ruygt 1987-6-14 2049 Napa Pope Creek at inflow to Lake Berryessa 149 Comment
  JEPS128872  Keckiella corymbosa Jake Ruygt 1999-7-17 4206 Napa Mount Saint Helena fire road. Detert Reservoir 7.5' Quad. Comment
  NY790364  Keckiella lemmonii R. C. F. Bacigalupi 1928-6-20 1873 Napa Howell Mountain, 10 miles west of St. Helena Comment
  CDA6289  Kickxia elatine A. Delfino 1963-6-7 Napa G. W. Elicker property, 2297 1st Avenue, Napa. 0 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
  UCD36305  Koeleria macrantha Beecher Crampton 1953-5-19 1307 Napa 10 miles west of Monticello, along Highway 128. Comment
  CAS-BOT-BC499635  Kopsiopsis strobilacea L. R. Abrams 1928-5-4 12264 Napa Mt. St. Helena trail Comment
  SD147586  Laburnum anagyroides Greg de Nevers, Susan Charnley 1987-6-19 8229 Napa Robert Louis Stevenson State Park, Mt. St. Helena. 750 Comment
  UCD144644  Lactuca serriola Alice Warrick 2006-6-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  SEINET3073144 Image available Lagophylla dichotoma subsp. minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring. Comment
Read comments
Nov 25 2013
  JEPS129021  Lagophylla minor Jake Ruygt 2016-5-7 6233 Napa Smittle Creek west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UC668199  Lagophylla minor Joseph P. Tracy 1938-6-5 15825 Napa on hills at head Moore's Creek (5 mi e of Angwin's); Howell Mountain 365 Comment
  UCD118352  Lagophylla minor Reed Crane; 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. 387 Comment
  UCD47922  Lagophylla minor K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 12 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of hilltop. 545 Comment
  UCR146396  Lagophylla minor Beecher Crampton 1965-5-13 7331 Napa Inner North Coast Ranges, 11 miles east of Rutherford, State Hwy 128 244 Comment
  SEINET13095152  Lagophylla minor David D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring. Comment
  UCD37730  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
  JEPS19934  Lagophylla ramosissima Willis L. Jepson 1894-7-19 Napa near Calistoga; Napa River Basin, Upper Napa Valley Comment
  UC33058  Lagophylla ramosissima Willis L. Jepson 1894-5-1 Napa e St. Helena; Napa River basin Comment
  UCD133621  Lagophylla ramosissima K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  JEPS106651  Lagophylla ramosissima subsp. ramosissima Jake Ruygt 1992-6-24 3053 Napa Tuteur Ranch, end of Green Valley Rd. 274 Comment
  CAS-BOT-BC338271  Lasthenia californica Peter H. Raven 1950-5-6 2020 Napa Near Old Faithful Geyser n. of Calistoga 182 Comment
  CAS-BOT-BC338265  Lasthenia californica John Thomas Howell 1931-4-2 6051 Napa Wooden Valley Grade 4 miles east of Napa Comment
  CAS-BOT-BC338272  Lasthenia californica Peter H. Raven 1950-4-15 1730 Napa Monticello Road, Napa Valley, near Napa 182 Comment
  UC172586  Lasthenia californica subsp. californica H. P. Chandler 1907-4-25 7540 Napa Chiles Valley road Comment
  UC893761  Lasthenia californica subsp. californica Milo S. Baker 1929-4-1 3580 b Napa near Calistoga Geyser Comment
  UCD159787  Lasthenia gracilis James A. Neilson Jr. 1975-4-13 3167 Napa Soda Canyon Road, near summit. 457 Comment
  CDA4152  Lathyrus aphaca H. Stabo 1959-5-11 2373 Napa Kenneth Cairus property, St. Helena. 0 Comment
  UCD106196  Lathyrus aphaca Mrs. Alice Ackley 1963-6-1 s.n. Napa Tubbs Lane near Calistoga. Comment
  SJSU10857  Lathyrus jepsonii var. jepsonii W. Savage 1983-6-6 1593 B Napa NE facing bank of S Slough, Cullinan Ranch Comment
  JEPS107267  Lathyrus latifolius Jake Ruygt 1976-5-14 83 Napa 3.3 miles west of Mt. Veeder on Redwood Rd. 286 Comment
  CDA11433  Lathyrus torreyi G. F. Hrusa, M. Tu 1995-5-6 12156 Napa North Coast Biodiversity Arena; along Moores Creek in Las Posadas State Forest. Comment
  JEPS55293  Lathyrus torreyi W. L. Jepson 1897-5-2 13626 Napa sw of Calistoga (Rebecca Ranch grade); Hood Peak Range, Upper Napa Valley Comment
  UC15358  Lathyrus torreyi Willis L. Jepson 1894-4-30 Napa near Calistoga; Napa River Basin Comment
  SEINET956311  Lathyrus vestitus Paul C. Hutchison 1963-1 2673 Napa 2 miles above the St. Helena Sanitarium along the road to Pope Valley. Comment
  UCD168571  Lathyrus vestitus Stephen P. Rae; A. Solomeshch 2007-3-19 s.n. Napa Lieff property east of Rutherford, 40 Auberge Road above Rutherford Hill Road, just north of the intersection of Silverado Trail and Highway 128. 165 Comment
  RSA633298  Lathyrus vestitus subsp. vestitus Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-7 8166 Napa Along Rt. 128 at road marker 24/80 Comment
  JEPS55379  Lathyrus vestitus var. vestitus W. L. Jepson May 26 1896-May 27 1896 13631 Napa below New Eden; Howell Mt. Comment
  CAS-BOT-BC323195  Layia chrysanthemoides David D. Keck 1931-4-3 1074 Napa 3 miles NE of Aetna Springs, northern Napa County. Comment
  JEPS106620  Layia chrysanthemoides Jake Ruygt 1978-3-31 254 Napa north of Suscol Hill and west of HWY 29 (221) 4 Comment
  UC169317  Layia chrysanthemoides Joseph P. Tracy 1902-5-26 1635 Napa near Calistoga; Northern Coast Ranges, Napa Valley 243 Comment
  UCD23376  Layia chrysanthemoides A. Bennett 1977-4-24 22 Napa 0.2 miles south of Knoxville Mine on Berryessa Knoxville Road. East of highway on level open field with many different cruciferous plants. Open meadow. Valley grassland. Comment
  SEINET7042785  Layia platyglossa A. G. Vestal 1962-4-12 s.n. Napa Butts Canyon Road , 8.3 miles southeast of Route 53. Butts Canyon. Aetna Springs quadrangle UTM Zone 10, 547380mE, 4283517mN. Comment
  JEPS106633  Layia septentrionalis Jake Ruygt 1986-4-20 1719 Napa Palisades north of Oat Hill Mine Rd. 755 Comment
  UCD161693  Layia septentrionalis Jake Ruygt 2010-5-6 5542 Napa Snell Valley / Missimer Preserve, southeast drainage area. 213 Comment
  JEPS106576  Legenere limosa Jake Ruygt 1983-5-13 1460 Napa Suscol Ridge west of HWY 221 27 Comment
  CAS-BOT-BC534370  Lemna minor Peter H. Raven 1952-5-31 4105 Napa Slough of Napa Creek e. Yountville 30 Comment
  UC1157918  Lemna minuscula John C. Roos September 1938 Napa Angwin, Pacific Union College farm Angwin; , Pacific Union College farm 487 Comment
  CAS-BOT-BC215774  Lepechinia calycina Milo S. Baker 1926-5-1 221 Napa 2 mi. S.e. of Inn, Mt. St. Helena Comment
  CAS-BOT-BC221495  Lepechinia calycina Milo S. Baker 1926-4-10 s.n. Napa Trail to Crater - 2 mi S. St Helena Inn Comment
  JEPS63268  Lepechinia calycina W. L. Jepson 1943-5-15 20776 Napa Knoxville Ridge Comment
  UCD124880  Lepechinia calycina Beecher Crampton 1965-6-30 7396 Napa Solano-Napa Counties: summit of Mt. Vaca. 872 Comment
  UCD19315  Lepechinia calycina M. A. Bibbo; E. Dean 2001-7-6 7 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, ca. 0.5 air miles from jct. with S Decker canyon rd. W (downslope) side of the road. 243 Comment
  UCD49101  Lepechinia calycina S. Murphy; K. Keck and K. Dyer 2002-5-5 15 Napa Quail Ridge UC Reserve, northern tip of ridge, ca. 450 m from intersection of West and East roads, S side of upper road leading to power lines and tip parcels, 2 m from roadside. 388 Comment
  CAS-BOT-BC88681  Lepidium acutidens John Thomas Howell 1926-3-27 1758 Napa Myrtledale Hot Springs near Calistoga. Comment
  CHSC102265  Lepidium latifolium Lowell Ahart 2009-10-27 16482 Napa Below the high water line of Lake Berryessa, about 150 yards southeast of Eticuera Creek, about 250 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  UCD20724  Lepidium latifolium Mark Bibbo; w/ Laura Wynholds 2002-7-20 65 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  UCR25317  Lepidium nitidum John C. Roos 1939-3-18 s.n. Napa North Coast Range, Snell Valley, [near] Pacific Union College, Angwin 183 Comment
  JEPS106790  Lepidium nitidum var. nitidum Jake Ruygt 1978-3-8 231 Napa north of the east end of Westgate Drive, Silverado Country Cl. 121 Comment
  JEPS120396  Lepidium oxycarpum Jake Ruygt 1993-4-18 3208 Napa north of American Canyon Creek, south of Am. Can. sanitation Comment
  UCD164745  Lepidium strictum Jake Ruygt 2014-6-7 5980 Napa Livermore Ranch, Montesol. 735 Comment
  JEPS53768  Lepidium virginicum Willis L. Jepson 1893-6-26 13399 Napa near St. Helena; Napa River Basin Comment
  SBBG5962  Leptosiphon androsaceus H. and M. Dearing 1939-4-29 3239 Napa Conn Valley Comment
  UCD118594  Leptosiphon androsaceus L. P. Thibault 1995-5-21 51 Napa growing on south side of Highway 128, about 3 miles west of Wragg Canyon Road. 250 Comment
  RSA107020  Leptosiphon androsaceus R. C. Barneby 1954-4-30 11233 Napa Conn Valley. near the slipway. 300 [ft? m?] Comment
  RSA155422  Leptosiphon androsaceus L. S. Rose 1961-3-30 61025 Napa 1 mile N of Conn Reservoir, Lake Henessy. 152 Comment
  RSA195290  Leptosiphon androsaceus Gilbert Muth 1967-4-28 653 Napa Spring Mountain Road, St. Helena. Comment
  UCD118591  Leptosiphon androsaceus Lewis S. Rose 1961-3-30 61025 Napa 1 mile north of Conn Reservoir, Lake Hennessy. 152 Comment
  UCD49216  Leptosiphon bicolor L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 19 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. E-facing slope on disturbed road cut at the top of South Decker Canyon Rd. just below jct with Decker Ridge Rd. 350 Comment
  UCD164865  Leptosiphon bolanderi Jake Ruygt 2012-4-21 5829 Napa Crystal Flats, west of Putah Creek. 216 Comment
  UCD167233  Leptosiphon latisectus Jake Ruygt 2008-4-19 5294 Napa Cadlestick Ridge, Wildlake Ranch. 675 Comment
  HSC43976  Leptosiphon parviflorus Robert M. Specht 1977-5-14 890 Napa Near junction of Develhead Rd. and Morgan Valley Rd. (Knoxville-Berryessa Rd.) 457 Comment
  HSC45348  Leptosiphon parviflorus R. York 1978-4-8 110 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UCD118508  Leptosiphon parviflorus Amber Kimpel; 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
  UCD118995  Leptosiphon parviflorus M. Wiesendanger 1927-5-4 674 Napa near Monticello. Comment
  UCD121168  Leptosiphon parviflorus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7353 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
  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
  UCD48066  Leptosiphon parviflorus A. Hufton; S. Burgess, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 10 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting Creek, on lower reaches of research hill. 655 Comment
  UCD167238  Leptosiphon pygmaeus subsp. continentalis Jake Ruygt 1991-5-4 2642 Napa between Doe Lake and Granite lake, Friesen's Lakes. 594 Comment
  CAS-BOT-BC324166  Lessingia hololeuca John Thomas Howell 1927-4-15 2323 Napa Near Callistoga 213 Comment
  CAS-BOT-BC324167  Lessingia hololeuca John Thomas Howell 1927-9-10 3098 Napa Near Callistoga 213 Comment
  UC1283740  Lessingia hololeuca Beecher Crampton 1964-8-18 7153 Napa Tubbs Lane 2 mi n Calistoga (ditch along road) Comment
  CAS-BOT-BC341993  Lessingia ramulosa R. F. Hoover 1938-6-8 3540 Napa Canyon of south fork of Butts Creek Comment
  JEPS20656  Lessingia ramulosa W. L. Jepson 1938-6-8 18887 Napa nw Pope Valley; South Fork of Butts Creek Comment
  SBBG117234  Lessingia ramulosa B. Crampton 1961-8-14 5968 Napa N end of Capell Valley, along St Hwy 128, above Capell Crk Comment
  UC1287463  Lessingia ramulosa Willard Spence 1962-7-20 719 Napa 2 mi nw Pope Valley (on the road to Aetna Springs) Comment
  UCD132704  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa northern end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  UCD37721  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa northern end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  UCR141013  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa Inner North Coast Ranges, northern end of Capell Valley, along Calif. Hwy 128, above Capell Creek 213 Comment
  JEPS82264  Lessingia ramulosa Roger Raiche 1983-7-2 30460 Napa along Snell Valley Road near road marker NAPA 2 40 Comment
  UC33170  Lessingia ramulosa Willis L. Jepson 1893-9-24 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  RSA195344  Lewisia rediviva Gilbert Muth 1967-5-17 684 Napa Summit of Oat Hill Road 671 Comment
  UC7815  Lewisia rediviva Brewer 976 Napa Napa and Sonoma Comment
  CDA32485  Leymus triticoides Robin Breckenridge 2008-5-5 PDR# 1313554 Napa Winters, Eastside Rd/Lake Berryessa. 0 Comment
  CAS-BOT-BC132957  Lilium rubescens Mr. Merle Ackley; Mrs. Merle Ackley 1957-6-14 s.n. Napa Howell Mt. Comment
  POM290968  Lilium rubescens Lyman Benson 1934-6-15 6099 Napa Mt. St. Helena 762 Comment
  CAS-BOT-BC132956  Lilium rubescens Tom Craig 1941-6-18 s.n. Napa Trinity Road, east slope Comment
  JEPS129068  Limnanthes douglasii subsp. nivea Jake Ruygt 2016-4-2 6169 b Napa Missimer-Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  UC17909  Limnanthes douglasii subsp. nivea Willis L. Jepson 1896-4-26 Napa Oakville Napa River Basin Comment
  UCD116512  Limnanthes douglasii subsp. nivea Everett H. Everson 1951-4-8 17 Napa 3.2 miles southwest of Monticello. Comment
  UC914256  Linanthus androsaceus Verne Grant and Alva Grant 1947-4-19 7937 Napa e of crest of Mayacama Range (on Napa to Monticello road) Comment
  SEINET215090  Linanthus dichotomus R. F. Denno 1967-4-15 43 Napa Lower Chiles Valley Road, .75 mi. N. from its junc. with State Hwy. 128. 229 Comment
  UC1198534  Linanthus dichotomus J. P. Tracy 1902-5-14 1440 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UC146062  Linanthus dichotomus H. P. Chandler 1907-4-25 7535 Napa Conn Valley Comment
  UCD167994  Linanthus dichotomus subsp. meridianus James A. Neilson Jr. 1977-4-13 3869 Napa 1 to 2 miles east Maple Springs along Oat Hill Mine Rd. (Exact location unknown, coordinates estimated by label maker.) Comment
  JEPS58118  Linanthus jepsonii E. V. Ferguson 1920-5-15 349 Napa Pope Valley Comment
  JEPS110972  Linanthus jepsonii Jake Ruygt 2005-5-11 4828 Napa Bear Valley, near Van Ness Creek 640 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
  RSA0004837  Linanthus jepsonii C. Goodwillie 1995-5-11 001 Napa Wantrup Wildlife Sanctuary, on primary road 1.3 km west of Hardin Road, and 60 meters north of vernal pool on north-facing. 256 Comment
  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
  JEPS58113  Linanthus parviflorus W. L. Jepson 1904-6-3 2444 Napa Howell Mt. Napa Range 365 Comment
  JEPS58099  Linanthus parviflorus W. L. Jepson 1893-4-28 20938 Napa ne of Napa (Wooden Valley, grade near w base Napa Range); Napa Valley Range, Wooden Valley Comment
  JEPS37746  Lithocarpus densiflorus W. L. Jepson 1903-9-6 Napa St. Helena 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
  UCD170197  Lithophragma parviflorum var. parviflorum Daniel Potter 2015-3-14 760 Napa Knoxville Wildlife Area, near small creek southwest of Zim Zim Creek. 303 Comment
  CAS-BOT-BC342248  Logfia filaginoides Peter H. Raven 1951-5-20 2854 Napa Hills w. Oakville 548 Comment
  JEPS106957  Logfia filaginoides Jake Ruygt 1982-4-3 1162 Napa 3.2 miles north of Loma Vista on Soda Canyon Rd. 335 Comment
  JEPS33575  Logfia filaginoides W. L. Jepson 1936-5-29 17550 Napa Adam and Eve Ridge Howell Mt. Adam and Eve Ridge Comment
  UCD63176  Logfia filaginoides Jake Ruygt 1996-4-27 3630 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 243 Comment
  JEPS84596  Logfia filaginoides John W. Willoughby 1977-4-20 2141 Napa w side of range Vaca Mountains (latitude approximately that of Mount Vaca) 457 Comment
  JEPS20918  Logfia gallica W. L. Jepson 1896-6-2 Napa St. Helena Comment
  UC1132201  Lolium multiflorum J. B. Spring 1932-6-7 70 Napa head of Carneros Creek; Napa Quadrangle, head of Carneros Creek Comment
  UCD18012  Lolium multiflorum Ellen Dean; with Plant Biology 102 class 2001-4-28 744 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At entrance gate to Reserve, along path that goes to the NE from gate. 371 Comment
  UCD18077  Lolium multiflorum Ellen Dean; with PLB 102 class 2000-4-22 633 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  UCD66635  Lolium temulentum A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3544 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  UCD20026  Lomatium C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1212 Napa 1 mile west of junction of Route 128 and Pope Valley Road. S side of Lake Hennessy. Comment
  JEPS16095  Lomatium californicum Willis L. Jepson 1894-4-30 14247 Napa range w. of and near Calistoga (grade to Rebecca Ranch); Napa River Basin Comment
  UCD47851  Lomatium dasycarpum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 11 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCR45089  Lomatium dasycarpum L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  POM182726  Lomatium dasycarpum subsp. dasycarpum D. D. Keck 1931-4-3 1061 Napa Pope Creek Canyon, 5 miles northwest of Monticello Comment
  UC723788  Lomatium dasycarpum subsp. dasycarpum Joseph Andorfer Ewan 1934-4-30 8829 Napa near Samuel Springs above Monticello (Pope Valley Grade); Pope Valley Grade Comment
  UCD18065  Lomatium dasycarpum subsp. dasycarpum Ellen Dean; with Plant Biology 102 class 2000-4-22 620 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  JEPS81574  Lomatium dasycarpum subsp. dasycarpum R. Raiche 1982-3-7 20209 Napa on hill at n.e. side Detert Reservoir (on Butts Canyon Rd.) Comment
  UC723796  Lomatium hooveri Joseph Andorfer Ewan 1937-5-23 10361 Napa Knoxville Ridge above Knoxville; Knoxville Ridge Comment
  UCD170163  Lomatium hooveri Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 776 Napa Knoxville Wildlife Area, chaparral above and west of Berryessa-Knoxville Road 473 Comment
  UCD18047  Lomatium hooveri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 598 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  UCD63184  Lomatium hooveri Jake Ruygt 2003-5-5 4520 Napa On ridge west of Foley Creek, east of Knoxville Creek. 411 Comment
  UCD148835  Lomatium macrocarpum Ellen Dean; Diana Hickson 2014-4-29 8140 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  UCD63185  Lomatium macrocarpum Jake Ruygt 2003-3-21 4473 Napa At head of the Foley Creek canyon; at county line. 609 Comment
  SD58377  Lomatium marginatum W. L. Jepson 1915-4-23 6266 Napa Chiles Creek hills, Napa Range Comment
  JEPS104549  Lomatium marginatum var. purpureum Jake Ruygt 1986-3-29 1678 Napa Devilshead Rd.; ''sensitive plant canyon'' 441 Comment
  UCD161354  Lomatium marginatum var. purpureum Jake Ruygt 1987-5-23 2009 Napa North end of Cedar Roughs. (Coordinates estimated by label maker at UC Davis). 441 Comment
  JEPS104541  Lomatium nudicaule Jake Ruygt 1986-5-7 1751 Napa Skyline Park below Skyline Trail 256 Comment
  UCD159751  Lomatium repostum G. Ledyard Stebbins 1971-5-2 8006 Napa Northeast of Napa. Ranch of Giles Mead, along Atlas Mountain [Peak] road. (Exact location unknown. Coordinates estimated by label maker as near Mead Ranch Vineyards.) 487 Comment
  UCD160296  Lomatium repostum James A. Neilson Jr. 1975-5-17 3193 Napa Robert Louis Stevenson State Park, 2/3 of the way along road to summit of Mt. St. Helena. (Exact location unknown. Elevation and coordinates estimated by label maker.) 1165 Comment
  JEPS104475  Lomatium utriculatum Jake Ruygt 1979-4-23 545 Napa 3.4 miles east of Silverado Trail on HWY 128 103 Comment
  UC1197143  Lomatium utriculatum Joseph P. Tracy 1904-5-23 2084 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  UCD148801  Lonicera Ellen Dean; Diana Hickson 2014-4-29 8108 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 592 Comment
  UCD137323  Lonicera hispidula Susan Wagener 1955-5-15 60 Napa lookout spot ca. 1/2 mile southwest of Oakville, on Triniti Road. Comment
  UCD95687  Lonicera hispidula Ellen Dean; with Clare Loughran 2011-5-20 7032 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  JEPS106724  Lonicera hispidula var. vacillans Jake Ruygt 1979-6-1 663 Napa 1.2 miles west of HWY 29 on Diamond Mtn. Road 195 Comment
  JEPS106725  Lonicera hispidula var. vacillans Jake Ruygt 1998-7-18 4092 Napa Bear Valley 640 Comment
  CAS-BOT-BC240798  Lonicera interrupta Peter H. Raven 1951-5-20 2859 Napa Oakville to Glen Ellen, Sonoma Co. 274 Comment
  UC28534  Lonicera interrupta Willis L. Jepson 1893-9-23 Napa Mt. St. Helena Napa River Basin 853 Comment
  UCD147531  Lonicera interrupta Ellen Dean; Diana Hickson 2014-4-29 8085 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  CAS-BOT-BC200940  Lotus John H. Thomas 1955-5-21 5111 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  RSA617140  Lotus micranthus A. C. Sanders 1996-6-1 18193 Napa Southeast edge of town at Skyline Park, east end of Imola Road East. 91 Comment
  UC15636  Lotus micranthus Willis L. Jepson Apr 1893 Napa near St. Helena; Napa River Basin Comment
  SEINET7073050  Lotus purshianus 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
  UCR200669  Lotus purshianus Daniel Sanchez-Mata 2006-6-15 s.n. Napa Moskowite Corners - Spanish Flat, Capell Valley, Capell Valley Road close to Capell Creek 200 Comment
  UC1197289  Lotus purshianus var. purshianus Joseph P. Tracy 1905-7-6 2217 Napa 3-4 mi e Angwin's (on hills at Head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 457 Comment
  HSC71007  Lotus scoparius J. M. DiTomaso 1980-6-12 1580 Napa 1 mi. W of Monticello Dam at Lake Berryessa, above lake. 146 Comment
  JEPS122705  Lupinus affinis Jake Ruygt 2005-3-28 4720 Napa Monticello Road, near large road cut, south of Circle Oaks. Quad: Capell Valley. Comment
  UC1129311  Lupinus albifrons A. E. Wieslander 1934-2-25 868 Napa 3 mi n Calistoga (Calistoga--Middletown); Calistoga quad. Comment
  UC504871  Lupinus albifrons R. M. Holman 1933-4-12 Napa near Mt. Veeder; near Mt. Veeder Comment
  UCD47998  Lupinus albifrons Ryan Knox; E. McDermott, and G. Walden 2002-4-13 12 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of the road. 432 Comment
  CAS-BOT-BC201547  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1940-4-7 s.n. Napa South slope of Mt. St. Helena Comment
  UC201116  Lupinus albifrons var. albifrons Katharine Brandegee 1918-7-31 Napa Toll House Mt. St. Helena (Mt. St. Helena); , Toll House Comment
  UCD170209  Lupinus albifrons var. albifrons Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 748 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 408 Comment
  JEPS107238  Lupinus albifrons var. collinus Jake Ruygt 1998-3-29 3901 Napa Suscol Ridge overlooking Jameson Canyon 140 Comment
  RSA195390  Lupinus benthamii var. benthamii Gilbert Muth 1967-4-23 647 Napa Spring Mountain Road, St. Helena. Comment
  JEPS107236  Lupinus bicolor Jake Ruygt 1996-4-6 3557 Napa near southeast end of Rector Reservoir. 134 Comment
  UCD38820  Lupinus bicolor Beecher Crampton 1958-4-29 4758 Napa Capell Valley. Comment
  UC1300887  Lupinus bicolor Helen K. Sharsmith 1963-3-17 5229 Napa along Silverado Trail; San Francisco Bay Region, along Silverado Trail 76 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
  UC15865  Lupinus formosus Willis L. Jepson 1893-1 Napa Napa River Basin, near Oakville Comment
  UC15863  Lupinus formosus var. formosus W. H. Brewer 1861-11-5 857 Napa Napa Valley; ; Fields near Camp 64 (modern Yountville) fide FB Comment
  SEINET10490750  Lupinus formosus var. formosus Donald E. Bright 1962-6-9 Bright 264 Napa Roadside, 5 mi n of calistoga, along highway 29. Comment
  SEINET10490794  Lupinus latifolius subsp. latifolius Marcus E. Jones 1924-4-24 Jones UMO 71601 Napa Comment
  OBI48330  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
  RSA659035  Lupinus microcarpus var. densiflorus R. Riggins 1982-5-22 1419 Napa Ca 1218 E, 7.4 mi E jct. Hwy. 29 in Rutherford, 3.6 mi W jct. Lower Chiles Valley Rd. Comment
  JEPS108045  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 mi E jct. Ca 121, 2.9 mi W Monticello Dam, Lake Berryessa. 274 Comment
  UCD168546  Lupinus nanus 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
  UCD48962  Lupinus nanus L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 15 Napa SW end of Lake Berryessa, Quail Ridge Reserve, above stream that runs along North Decker Canyon Rd., 50-70 ft. N of stream. 167 Comment
  UCD109255  Lupinus nanus J. M. Tucker; Charles Lamoureux, June McCaskill 1957-4-7 3289 Napa beside 'Silverado Trail', ca. 7.5 miles north of St. Helena, east side of Napa Valley. Comment
  UCD161683  Lupinus nanus Jake Ruygt 2008-5-10 5329 Napa Buzzard's Roost, east of Stags Leap, Napa Range. 609 Comment
  UCD167065  Lupinus nanus Jake Ruygt 2001-4-16 4306 Napa Big Ranch Road (Van Winden property). 16 Comment
  POM10633  Lupinus polycarpus C. F. Baker 1903-4-19 1988 Napa Calistoga. Comment
  CAS-BOT-BC202230  Lupinus sericatus R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6666 Napa 3 mi. N. of Pacific Union College (Howell Mt.) on road to Aetna Springs Comment
  POM125418  Lupinus sericatus Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena Comment
  UCR196218  Lupinus succulentus R. J. Flannery, C. Kennedy, L. Condon, N. Strahan, C. Hallock 2000-4-22 12 Napa UC McLaughlin Reserve, north of Knoxville, west of [Knoxville-Berryessa] Road 420 Comment
  RSA15625  Lupinus vallicola subsp. apricus Carl B. Wolf 1928-2-25 1481 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  SEINET10490282  Lupinus vallicola subsp. apricus Ira L. Wiggins 1932-3-12 Wiggins 5765 Napa Between franz valley and calistoga. Comment
  JEPS67170  Luzula macrantha W. L. Jepson 1894-5-1 2 a Napa Upper Conn Valley Comment
  UC183778  Luzula macrantha Joseph P. Tracy 1902-5-21 1604 Napa Northern Coast Ranges. Howell Mountain. On hills at head of Moore's Creek, 3-4 miles east of Angwin's 457 Comment
  UCD149681  Luzula subsessilis Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  CAS-BOT-BC343829  Madia elegans David D. Keck 1933-11-10 2714 Napa Calistoga Comment
  CAS-BOT-BC343825  Madia elegans Robert M. King 1980-7-9 8419 Napa Ca. 5 miles north of Calistoga Comment
  JEPS40213  Madia elegans W. L. Jepson 1893-9-23 Napa Upper Napa Valley Comment
  JEPS40381  Madia elegans W. L. Jepson 1937-9-29 18570 Napa on road to sanitarium; St. Helena Comment
  UCD161749  Madia elegans Jake Ruygt 1995-6-5 3489 Napa about 2 miles south of Lake Hennessey on private road (Taylor). 408 Comment
  JEPS38329  Madia exigua W. L. Jepson 1938-5-22 18828 Napa Snell Valley Comment
  UCD48581  Madia exigua Kook-Hyun Chung; M. Hauselt, C. Ineich, J. Deusterman 2001-4-28 9 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft.) 'as the crow flies' NW of jct. with S. Decker Canyon Rd.; downslope of West Rd. ca. 20 m. 242 Comment
  CAS-BOT-BC343201  Madia gracilis David D. Keck 1933-5-29 2343 Napa Pope Creek Bridge south of Walters Springs Comment
  JEPS40218  Madia gracilis W. L. Jepson 1893-5-8 Napa New Eden Howell Mt. Comment
  UCD161292  Madia gracilis Jake Ruygt 1978-5-14 314 Napa 0.6 miles north of Oakville Cross Road on Silverado Trail. (Coordinates estimated by label maker at UC Davis). 60 Comment
  UCD19340  Madia gracilis M. A. Bibbo; E. Dean 2001-7-6 33 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. In dry creek drainage just W of rd. 228 Comment
  CAS-BOT-BC343202  Madia gracilis J. Clausen 1935-5-22 1071 Napa Ca. 1 mi. E. of Chiles Valley Store Comment
  CLARK-A1528-2006  Madia nutans John C. Roos 1939-4-16 258 Napa Angwin Comment
  RSA128374  Madia nutans P. H. Raven 1950-4-15 1752 Napa Wooden Valley grade above Napa. 457 Comment
  SEINET11807294  Madia nutans F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -296 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  CAS-BOT-BC345044  Madia sativa Peter H. Raven 1950-6-20 2348 Napa In the Napa Range between Conn Valley & Howell Mtn. Comment
  CAS-BOT-BC345045  Madia sativa Peter H. Raven 1952-5-26 4042 Napa St. Helena to Howell Mt. 304 Comment
  CAS-BOT-BC345049  Madia sativa David D. Keck 1933-11-10 2718 Napa Rutherford, just S. of town Comment
  UCSB711  Maianthemum stellatum Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek about 3 miles east of Chiles Valley 304 Comment
  JEPS122763  Malacothamnus fremontii Jake Ruygt 2008-7-19 5360 Napa Eticuera Creek, at Long Canyon. Quad: Knoxville. Comment
  CAS-BOT-BC347511  Malacothrix floccifera H. M. Hall 1931-5-27 13096 Napa Near Knoxville Comment
  CAS-BOT-BC347512  Malacothrix floccifera David D. Keck 1933-5-29 2368 Napa Pope Creek bridge south of Walters Springs Comment
  SEINET6413448  Malacothrix floccifera R. Spellenberg 2014-5-20 14816 Napa Butts Canyon Road 12.5 km SE of Middletown. 320 Comment
  POM216233  Malacothrix floccifera D. D. Keck 1933-5-29 2368 Napa Pope Creek bridge south of Walters Springs. Comment
  UCD134379  Malacothrix floccifera M. Ensign 1943-5-28 327 Napa 26 miles from Monticellow on road to Lower Lake. Comment
  UCD116603  Malva nicaeensis David Lawfer 1952-4-28 153 Napa Napa. Comment
  UCD161229  Marah fabacea Jake Ruygt 1986-3-4 1646 Napa 1 mile north of Hwy 12 and 0.5 miles east of Sonoma Co. line. (Coordinates estimated by label maker at UC Davis). 109 Comment
  UCD18051  Marah fabacea Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 604 Napa Napa County. McLaughlin Reserve. Ca. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along old road that climbs up ridge on E side, N- and NW-facing slopes. 536 Comment
  JEPS42510  Marah fabacea Willis L. Jepson 1896-2-23 14125 Napa lower slopes Howell Mt. (near Rural Health Reteat); Napa River Basin Comment
  JEPS106387  Marah oregana Jake Ruygt 1987-5-16 1988 Napa 3.3 miles north of Mt. Veeder Rd. on Red wood Road 310 Comment
  JEPS42486  Marah oregana Willis L. Jepson 1893-4-25 14134 Napa w St. Helena (trail to Caux's Cabin); Hoods Peak Range, Napa River Basin Comment
  JEPS120398  Marah watsonii Jake Ruygt 1982-3-16 1128 Napa Capell Valley north of Monticello Road Comment
  JEPS120339  Marsilea vestita subsp. vestita Jake Ruygt 1992-6-13 3037 Napa Bear Valley, pond at the south end. Detert Reservoir 7.5' Quad. Comment
  UCD136577  Marsilea vestita subsp. vestita Kurt Santarius 1967-9-10 s.n. Napa Lake Hennessey. Comment
  JEPS129142  Medicago lupulina Jake Ruygt 1990-7-14 2601 Napa Yountville Ecological Reserve, Napa River at Yountville Cross Road. Yountville 7.5' Quad. Comment
  UCD20830  Medicago polymorpha N. Nicola 2001-3-30 046 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  UCD48970  Medicago polymorpha C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 13 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. N of drainage between West Road and Decker Bay Trail. Approx. 90 ft. NW of jct of West Rd. and Decker Bay Trail. 160 Comment
  POM67047  Medicago polymorpha var. brevispina Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS65530  Medicago sativa W. L. Jepson 1936-5-30 17555 Napa St. Helena Comment
  CAS-BOT-BC269416  Melica californica California Academy of Sciences 1870-5-1 s.n. Napa Oakville Comment
  CAS-BOT-BC269417  Melica californica California Academy of Sciences 1870-5-1 s.n. Napa Oakville Comment
  HSC43991  Melica californica Robert M. Specht 1977-4-19 686 Napa Above drainage running NE from Adams Creek. 518 Comment
  JEPS76280  Melica californica W. L. Jepson 1943-5-15 20774 Napa Knoxville Ridge Comment
  UCD87231  Melica californica R. Tofsrud 1950-4-24 s.n. Napa 3 mi. S of Monticello. Comment
  UCD93078  Melica californica Catherine E. Koehler 2008-4-4 s.n. Napa McLaughlin Reserve. Blue Ridge, Knoxville Wildlife Area. 594 Comment
  SEINET5322427  Melica californica M. Mooney 1982-4-17 452 Napa Stebbins-Cold Canyon Nature Preserve, south of dam at Lake Berryessa 91 Comment
  UCD148804  Melica geyeri Ellen Dean; Diana Hickson 2014-4-29 8111 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 592 Comment
  SEINET8719050 Image available Melica geyeri W. S. Boyle 1942-1 1072 Napa Along the Silvarado Trail Road 7 miles south of Calistoga Comment
  JEPS122948  Melica harfordii Jake Ruygt 1988-5-1 2169 Napa Cleary Reserve. Quad: Aetna Springs. Comment
  UC766850  Melica harfordii R. F. Hoover 1941-5-10 5013 Napa e side Mt. St. Helena Comment
  CAS-BOT-BC264216  Melica torreyana Peter H. Raven 1957-5-5 10760 Napa Hills at western edge of Calistoga 152 Comment
  CAS-BOT-BC264217  Melica torreyana Peter H. Raven 1964-5-9 19074 Napa Along dirt road 2 miles west of Aetna Springs Comment
  POM182793  Melica torreyana D. D. Keck 1931-4-2 1034 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  SEINET200624 Image available Melica torreyana J. P. Tracy 1933-6-2 12465 Napa Howell Mtn Rd 5 mi E of St Helena 305 Comment
  UCD117786  Melica torreyana Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD89214  Melica torreyana E. Wilson 1932-5-1 s.n. Napa Traffic Officer's Country Club. 274 Comment
Read comments
May 1 2014
  SEINET10599685  Melica torreyana David D. Keck 1931-4-2 Keck 1034 Napa Wooden valley road, east side of Napa Range, 8 miles from Napa. Comment
  JEPS65546  Melilotus albus W. L. Jepson 1894-11-5 13602 Napa river bed above St. Helena Comment
  JEPS63287  Melissa officinalis W. L. Jepson 1934-10-19 16904 Napa Napa R. near St. Helena; San Francisco Bay vicinity, Napa R. Comment
  JEPS112577  Mentha arvensis Jake Ruygt 1982-6-29 1350 Napa .3 miles south of Old Bale Mill on west side of HWY 29 97 Comment
  RSA92938  Mentha canadensis Peter H. Raven 1952-9-14 5178 Napa Conn Cree E of Yountville 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
  UC419720  Mentzelia laevicaulis var. laevicaulis Mrs. H. P. Bracelin 1930-10-19 111 Napa near entrance to (Conn Creek); Sage Canyon Comment
  JEPS122695  Mesembryanthemum nodiflorum Jake Ruygt 1996-9-9 3783 Napa About 1/4 mile from west end of Green Island Road. Quad: Cuttings Wharf. Comment
  UCD102815  Micranthes californica P. B. Kaufman 1950-4-1 20 Napa Vaca Mountain range, Putah Canyon. Comment
  CAS-BOT-BC322616  Micropus amphibolus John H. Thomas 1959-4-19 7111 Napa About 2 miles SW of Oakville 152 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
  UCD159957  Micropus californicus 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. Along roadside on the way to burn site. 243 Comment
  UCD81819  Micropus californicus Ellen Dean 2009-4-24 5446 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  CAS-BOT-BC348544  Micropus californicus var. californicus Peter H. Raven 1953-5-2 5374 Napa Hills due e. of Yountville 152 Comment
  CAS-BOT-BC348545  Micropus californicus var. californicus John Thomas Howell 1929-5-30 4274 Napa 2 miles west of Samuels Springs on Pope Valley Creek, Napa Range Comment
  CAS-BOT-BC348549  Micropus californicus var. californicus Peter H. Raven 1950-4-15 1754 Napa Wooden Valley Grade, above Napa 457 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-BC348968  Microseris douglasii subsp. douglasii John Thomas Howell 1931-4-19 6449 Napa Conn Valley Comment
  UCD118906  Microsteris gracilis D. C. Finfrock 1950-4-2 13 Napa 2 miles from St. Helena on Pope Valley Road. Comment
  POM182735  Microsteris gracilis subsp. gracilis D. D. Keck 1931-4-2 1050 Napa 4 miles S of Monticello, eastern Napa County. Comment
  JEPS104968  Mimulus angustatus Dean W. Taylor 1998-6-23 16696 Napa headwaters Swartz Canyon, South flanks Twin Peaks, (ca. 5 air mi W Aetna Springs) 716 Comment
  JEPS128902  Mimulus angustatus Jake Ruygt 1994-4-9 3345 Napa Los Posadas State Forest. Saint Helena 7.5' Quad. Comment
  JEPS86873  Mimulus angustatus David M. Thompson 1988-4-3 865 Napa +/- 2 air mi se Angwin (1.1 road mi e of Howell Mt. Road via Cold Springs and Las Posadas roads, then over fence and along road to large area of boulders in meadow); Los Posadas State Forest 490 Comment
  JEPS11430  Mimulus arvensis Willis L. Jepson 1893-4-25 11 m Napa w St. Helena (trail to Caux's Cabin); Napa River Basin, Hoods Peak Range Comment
  UCD121190  Mimulus aurantiacus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7363 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and Recreation Flat. 526 Comment
  UCD13200  Mimulus aurantiacus Charles Martin 1986-4-20 1 Napa 3 mi W of Monticello Dam along hwy 128. 304 Comment
  HSC43919  Mimulus aurantiacus var. aurantiacus Robert M. Specht 1977-4-13 652 Napa South-facing slope 488 Comment
  JEPS10220  Mimulus aurantiacus var. aurantiacus Willis L. Jepson 1893-4-28 78 m Napa near Mt. George (Wooden Valley grade); Napa River Basin, Napa Mts. Comment
  JEPS10222  Mimulus aurantiacus var. aurantiacus W. L. Jepson 1904-6-3 2449 Napa Howell Mt. Napa Range Comment
  JEPS15186  Mimulus aurantiacus var. aurantiacus H. E. Malmoten 1923-4-20 65 Napa 182 Comment
  RSA0006036  Mimulus bakeri C. F. Baker 1903-4-20 2608 Napa Mt. St. Helena. Comment
  JEPS110748  Mimulus cardinalis Jake Ruygt 1979-6-28 723 Napa Milliken Canyon, south wall 121 Comment
  UCD122512  Mimulus cardinalis D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. 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
  JEPS10573  Mimulus douglasii Willis L. Jepson 1893-3-13 60 m Napa hills e St. Helena; Napa River Basin, Howell Mt. foothills Comment
  UC26858  Mimulus guttatus Willis L. Jepson 1893-4-26 Napa Rutherford Napa River Basin Comment
  RSA50066  Mimulus guttatus G. R. Campbell 1948-6-18 656 Napa 5 miles north of Calistoga on road from Middleton. Comment
  JEPS110587  Mimulus kelloggii Jake Ruygt 1979-4-14 513 Napa Oat Hill Mine Rd., Twin Peaks area 707 Comment
  UC886248  Mimulus kelloggii Alice Eastwood 1915-5-1 6835 Napa Mt. St. Helena Comment
  RSA309393  Mimulus latidens W. L. Jepson 1893-4-27 31 Napa Lower Napa Valley, Napa River Basin. Comment
  JEPS100379  Mimulus layneae Dean W. Taylor 2001-5-15 17656 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS128904  Mimulus layneae Jake Ruygt 1990-5-5 2528 Napa South of Leoma Lakes; Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  UC1196804  Mimulus layneae Joseph P. Tracy 1933-6-2 12460 Napa 3-4 mi e Angwin's (on hills at head Moore's Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UCD63858  Mimulus layneae Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  UC963877  Mimulus layneae Milo S. Baker 1947-7-7 11849 Napa s Mt. St. Helena Inn (at end of wood rd.) 914 Comment
  JEPS110579  Mimulus microphyllus Jake Ruygt 1991-5-25 2693 b Napa Paradise Valley 280 Comment
  JEPS11437  Mimulus microphyllus W. L. Jepson 1921-5-6 9173 Napa Yountville 30 Comment
  JEPS11562  Mimulus microphyllus W. L. Jepson 1921-5-6 9170 Napa Yountville 30 Comment
  UC614484  Mimulus microphyllus L. Constance 1938-3-27 2040 Napa above Wooden Valley (8 mi ne of Napa, e slope of mountains); Coast Ranges, Howell Mountains 457 Comment
  JEPS11360  Mimulus nasutus W. L. Jepson 1921-5-6 9172 Napa Yountville 30 Comment
  UC26938  Mimulus nasutus Edw. L. Greene 1894-6-17 Napa Calistoga; ; Calistoga, Napa Co. Comment
  JEPS101493  Mimulus nudatus Dean W. Taylor 1998-5-20 16445 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  JEPS129171  Mimulus nudatus Jake Ruygt 2015-4-4 6064 Napa Butts Canyon south of Snell Valley Road. Aetna Springs 7.5' Quad. Comment
  CDA41826  Mimulus pulsiferae S. E. Schoenig 1998-6-5 98 -24 Napa 20 meters east of Ink Grade Road, 0.5 mile northwest of intersection with Howell Mountain Road. Comment
  JEPS22493  Minuartia californica Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  UCD98253  Minuartia californica R. F. Denno 1967-4-15 45 Napa on Lower Chiles Valley Road, 3/4 mile northwest of State Highway 128. 228 Comment
  RSA195382  Minuartia californica Gilbert Muth 1967-4-16 640 Napa Snell Valley. 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
  UCD160645  Minuartia douglasii Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8732 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  UCD41323  Minuartia douglasii Ellen Dean; T. and M. Starbuck 2004-4-3 2002 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. W of turn off to old town of Knoxville, N side of road, about 0.5 airline miles WSW of site of old town of Knoxville. 437 Comment
  POM216216  Minuartia douglasii D. D. Keck 1933-5-29 2346 Napa Pope Creek bridge south of Walters Springs; south wall of Pope Creek Canyon. Comment
  CHSC102257  Mollugo verticillata Lowell Ahart 2009-10-27 16499 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS122749  Mollugo verticillata Jake Ruygt 2009-7-28 5467 Napa North shore of Lake Berryessa near Eticuera Creek parking lot. Quad: Walter Springs. Comment
  CAS-BOT-BC220620  Monardella villosa John Thomas Howell 1930-7-13 5349 Napa Edge of the Crater Country Comment
  UCD20754  Monardella villosa M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 103 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
  POM180780  Monardella villosa subsp. villosa J. T. Howell 1930-7-13 5349 Napa On the edge of the Crater Country Comment
  UCD166665  Monardella villosa subsp. villosa Jake Ruygt 1998-7-11 4082 Napa Blue Ridge, about 1.5 miles north of Mays Flat. 701 Comment
  CAS-BOT-BC220691  Monardella viridis John Thomas Howell 1930-7-13 5360 Napa On the edge of the Crater Country Comment
  CAS-BOT-BC220692  Monardella viridis John Thomas Howell 1933-8-27 11639 Napa Sage Canyon, Napa Range Comment
  POM126651  Monardella viridis Katherine Brandegee s.n. Napa Angwin s Comment
  JEPS110825  Monardella viridis subsp. viridis Jake Ruygt 1982-7-18 1368 Napa Cedar Roughs near Guilliam Springs 298 Comment
  JEPS55474  Monardella viridis subsp. viridis W. L. Jepson 1894-10-13 70 e Napa Upper Conn Valley Comment
  UC195823  Monolopia major C. F. Sonne Apr 1888 Napa field near Napa Junction Comment
  UCD37368  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa Napa County, north end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  UCR151585  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa N end of Capell Valley, along State Hwy 128, above Capell Creek Comment
  UC1279972  Muilla maritima Peter H. Raven 1957-5-5 10743 Napa near hot springs; Calistoga 91 Comment
  CAS-BOT-BC259964  Nassella lepida Peter H. Raven 1951-6-26 3053 Napa Wooden Valley Grade 304 Comment
  JEPS45794  Nassella lepida Eleanor Armstrong 1932-6-8 190 Napa 4 mi sw Mt. Mill House; Mt. St. Helena 304 Comment
  SBBG116117  Nassella lepida B. Crampton 1956-5-25 3481 Napa Howell Mtn, above SW corner of Wooden Valley Comment
  UCD159947  Nassella lepida 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
  UCD48419  Nassella lepida M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 5 Napa Quail Ridge UC Reserve, northern tip of ridge, north of intersection of East and West roads, along lower road leading to power lines. 304 Comment
  UCD81833  Nassella lepida Ellen Dean 2009-4-24 5463 Napa Property at 600 Petrified Forest Road. 170 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
  UC187237  Nassella pulchra J. P. Tracy 1902-5-21 1581 Napa head of creek 3-4 mi e Angwin's; Howell Mountain, Moore's Creek 457 Comment
  UC70997  Nassella pulchra Joseph Burtt Davy Apr. 1902 Napa St. Helena Comment
  POM261443  Navarretia cotulifolia J. T. Howell 1939-4-30 s.n. Napa Walter Springs. Comment
  POM180787  Navarretia divaricata subsp. vividior J. T. Howell 1930-7-13 5347 Napa On the edge of the Crater Country 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
  JEPS70312  Navarretia heterodoxa W. L. Jepson 1894-10-14 20962 Napa w of Calistoga (hills back of Rebecca Ranch); Spring Mt. Range Comment
  UCD167179  Navarretia intertexta subsp. intertexta Jake Ruygt 1982-7-5 1360 Napa 0.3 miles south of Old Bale Mill on east side of Highway 29. 88 Comment
  CAS-BOT-BC230322  Navarretia jepsonii Peter H. Raven 1950-6-20 2404 Napa Above Aetna Springs, Pope Valley Comment
  JEPS112531  Navarretia jepsonii Jake Ruygt 1993-5-22 3264 Napa on private road across from James Creek Rd at Butts Canyon Rd 207 Comment
  RSA3362  Navarretia jepsonii Katherine Brandegee 1910-7-26 s.n. Napa Near Aetna Springs Comment
  UC908643  Navarretia jepsonii Mrs. K. Brandegee Jul 26 1910-Jun 1 1911 148 Napa near Aetna Springs Comment
  POM64976  Navarretia mellita Katherine Brandegee 1910-7-26 s.n. Napa Pope Valley Comment
  UC155179  Navarretia mellita Katharine Brandegee 1910-7-20 Napa Pope Valley Comment
  UCD167188  Navarretia mellita Jake Ruygt 2005-6-1 4879 Napa Knoxville Wildlife Area; spur ridge of Blue Ridge, 1 mile north of Mays Flat. 411 Comment
  SEINET14156388  Navarretia mellita K. Brandegee 1910-7-26 s. n. Napa Pope Valley Comment
  UCD167193  Navarretia mellita Jake Ruygt 1990-6-9 2591 Napa Arrowhead Mountain. 225 Comment
  JEPS110949  Navarretia pubescens Jake Ruygt 1977-5-1 209 Napa east end of Westgate Dr. 115 Comment
  JEPS112553  Navarretia pubescens Jake Ruygt 1981-5-21 1041 Napa Putah Creek north of Snell Valley 231 Comment
  UC1051755  Navarretia pubescens Helen K. Sharsmith 1953-6-15 4184 Napa se slope Capell Valley (just w of junction of Capell Valley and Monticello roads); Inner North Coast Ranges, Capell Valley 274 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
  JEPS70423  Navarretia pubescens Willis L. Jepson 1894-7-19 15040 Napa above Calistoga; Napa River Basin, Upper Napa Valley Comment
  UC1221750  Navarretia pubescens Beecher Crampton 1959-5-26 5258 Napa Martley Canyon Vaca Mountains (along State Hwy 128) Comment
  UC133924  Navarretia pubescens J. P. Tracy 1899-6-17 434 Napa Adobe Flat Howell Mt. 426 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
  JEPS123301  Navarretia rosulata David Gowen with Joe Callizo, Dick O'Donnell 2009-7-6 1080 Napa Cedar Roughs. Comment
  RSA26221  Navarretia subuligera J. T. Howell 1940-5-19 15462 Napa Upper St. Helena Creek. Comment
  RSA73124  Navarretia subuligera J. T. Howell 1940-5-19 s.n. Napa Upper St. Helena Creek. Comment
  SEINET196694  Navarretia tagetina Herbert L. Mason 1934-4-30 8110 Napa Tributary of Putah Creek, Pope Valley. Comment
  UC908083  Navarretia tagetina Herbert L. Mason 1934-4-30 8110 Napa tributary of Putah Creek Pope Valley, Putah Creek Comment
  RSA73125  Navarretia tagetina M. S. Jussel 1937-5-23 s.n. Napa Palisades. Comment
  JEPS70510  Navarretia viscidula Willis L. Jepson 1903-9-6 2347 Napa St. Helena Napa River Basin Comment
  JEPS70512  Navarretia viscidula W. L. Jepson 1901-8-6 1736 Napa near Bottle Mt.; Napa River Basin, St. Helena Comment
  SEINET10464787  Nemacladus capillaris R. Alava 1957-5-30 Alava 1007 Napa Along road, about 0.5 mile toward Monticello from junction of the road to Monticello and State Highwat 128 Comment
  JEPS106578  Nemacladus montanus Jake Ruygt 1989-4-22 2286 Napa NE corner of HWY 128 and Berryessa-Knoxville Rd.,Capell Cyn. 207 Comment
  JEPS5470  Nemacladus montanus Rimo Bacigalupi with L. T. Dempster, G. T. Robbins 1954-5-25 4508 Napa 8.2 mi e Conn Lake (reserovir) (slopes above Soda Creek along State Highway 28) Comment
  OBI20979  Nemacladus montanus Rimo Bacigalupi, L. T. Dempster, G. T. Robbins 1954-5-25 4508 Napa Above Soda Crk along State hwy 28, 8.2 mi E of Conn Lake reservoir Comment
  SEINET10461258  Nemacladus montanus Rimo Bacigalupi, Lauramay T. Dempster; Guy T. Robbins 1954-5-25 Bacigalupi 4508 Napa Barren serpentine slopes above Soda Creek along State Highway 28, 8.2 miles east of Conn Lake (reservoir) Comment
  JEPS110863  Nemophila heterophylla Jake Ruygt 1981-4-4 966 Napa Bell Canyon 353 Comment
  RSA75813  Nemophila heterophylla Lincoln Constance 1938-4-22 2134 Napa Above Dry Creek 2 miles west of Yountville, Miyakma Mountains, North Coast Ranges. 457 Comment
  UCD19943  Nemophila heterophylla E. A. Dean; Virginia Boucher 2002-2-28 895 Napa Quail Ridge Reserve. Along West Rd., 0.7 airline miles north of junction of West Rd. and Decker Canyon Trail. 213 Comment
  UCD49091  Nemophila heterophylla S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 26 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
  CDA40365  Nemophila heterophylla T. C. Fuller 1958-5-1 3715 Napa Highway 53, 8 miles north of Calistoga. 0 Comment
  JEPS3154  Nemophila heterophylla W. L. Jepson 1900-3-10 547 Napa ne St. Helena (between Napa River and Sanitarium); btw Napa River and Sanitarium, ne of St. Helena 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
  SBBG6130  Nemophila heterophylla H. and M. Dearing 1939-4-30 3232 Napa Saint Helena Comment
  UC1031219  Nemophila heterophylla Rolf Y. Berg 1954-5-23 Napa Highway 37 two mi n Wooden Valley Junction; n of Wooden Valley junction Comment
  CHSC43316  Nemophila menziesii Lowell Ahart 1969-4-7 25 Napa On moist soil of a road cut, near Lake Berryessa. 243 Comment
  JEPS110841  Nemophila menziesii Jake Ruygt 1977-3-14 156 Napa .2 mile north of Silverado Trail on Soda Canyon Rd. 121 Comment
  SFV12280  Nemophila menziesii L. Chang 1965-3-19 3 Napa Field besied Dollarhide Road, about 3-4 miles east of Pope Valley. 150 Comment
  UCD82053  Nemophila menziesii Robin McMaster 1972-4-22 69 Napa Pope Valley. 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
  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
  UCD23409  Nemophila menziesii Jonathan M. Irvine 1977-4-16 113 Napa Hwy. 128, 6.4 miles SSW of Monticello Dam. Soil is rocky clay, Knoxville formation. Mixed woodland, west facing gentle dry slope. Comment
  UCD159790  Nemophila menziesii var. atomaria James A. Neilson Jr. 1975-4-13 3135 Napa Soda Canyon Road, near outlet of canyon. 60 Comment
  POM289744  Nemophila menziesii var. menziesii Ethel Crum 1936-3-15 1738 Napa Chiles Valley Road, 3.2 miles from Pope Valley store. Comment
  RSA195363  Nemophila menziesii var. menziesii Gilbert Muth 1967-3-5 534 Napa Snell Valley. 213 Comment
  JEPS126026  Nemophila parviflora var. parviflora Jake Ruygt 1979-5-7 586 Napa 2.5 miles NW of Mt. Veeder Road on Redwood Road. Sonoma 7.5' Quad. Comment
  JEPS110824  Nepeta cataria Jake Ruygt 1979-7-28 778 Napa 1.8 miles east of HWY 29 on Livermore Rd 576 Comment
  JEPS122702  Nerium oleander Jake Ruygt 2002-10-8 4463 Napa Berryessa-Knoxville Road at the outflow of Smittle Creek in the lake. Quad: Chiles Valley. Comment
  JEPS12270  Nicotiana acuminata var. multiflora Helen-Mar Wheeler 1942-7-17 Napa Conn Valley Comment
  JEPS13901  Nicotiana acuminata var. multiflora Willis L. Jepson 1894-11-5 21245 Napa above St. Helena (Napa River bed); Napa River Comment
  UC1188017  Nicotiana quadrivalvis H. M. Wheeler Oct 1942 Napa Conn Creek; Conn Valley Comment
  UC419705  Nicotiana quadrivalvis Mrs. H. P. Bracelin 1930-10-19 112 Napa near Conn Creek entrance (Sage Canyon); Sage Canyon Comment
  UCD121197  Notholithocarpus densiflorus var. densiflorus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7368 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and 4H camp. 526 Comment
  UCD54563  Nuttallanthus texanus K. Walker; PLB 102 2006-5-13 5 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  JEPS62079  Odontostomum hartwegii Willis L. Jepson 1894-5-1 Napa near St. Helena (rd. to Upper Conn Valley); Napa R. Valley Comment
  UCD166656  Odontostomum hartwegii Jake Ruygt 1980-6-4 912 Napa end of Soda Canyon county road. 426 Comment
  JEPS43956  Oenothera elata subsp. hirsutissima W. L. Jepson 1895-11-26 14492 Napa White Sulphur Springs Creek bed Napa Valley Comment
  JEPS110571  Orobanche fasciculata Jake Ruygt 1987-5-16 1993 Napa Devil's Canyon north of falls 579 Comment
  SEINET8853707 Image available Orobanche fasciculata Bill Wardell 1961-1 27 Napa State Highway 37, 20 miles southwest of Monticello Dam Comment
  JEPS120331  Orobanche uniflora Jake Ruygt 2005-5-11 4830 Napa Cub Valley, south of Bear Valley. Detert Reservoir 7.5' Quad. Comment
  UCR23528  Orobanche uniflora John C. Roos 1939-5-6 293 Napa Napa Range, (near Angwin?) Comment
  UC1197452  Orobanche uniflora subsp. occidentalis Joseph P. Tracy 1902-5-16 1494 Napa Northern Coast Ranges. Howell Mountain, at head of Moore's Creek, 3-4 miles east of Angwin's. Comment
  JEPS80612  Orobanche valida subsp. howellii Glenn Clifton 1981-1-1 7863 Napa Devilhead Creek Knoxville Quad., Devilhead Creek Comment
  CAS-BOT-BC238389  Orthocarpus C. F. B. 1903-5-8 2965 Napa Knoxville Comment
  RSA31988  Orthocarpus densiflorus A. A. Heller 1941-5-17 16136 Napa 2 miles north of Windsor on US Highway 101. Comment
  POM264975  Orthocarpus faucibarbatus I. L. Wiggins 1928-3-25 2877 Napa 1.5 mi NE of Calistoga. Comment
  POM83502  Orthocarpus lithospermoides var. bicolor W. L. Jepson 1920-5-25 9042 Napa Knoxville Ridge, NE Napa Co. Comment
  RSA32034  Orthocarpus lithospermoides var. bicolor A. A. Heller 1941-5-16 16131 Napa About 3 miles west of Knoxville, on the road to Lower Lake. Comment
  CDA38477  Osmorhiza berteroi T. C. Fuller 1958-5-1 3714 Napa Highway 53, 8 miles north of Calistoga. 0 Comment
  UC901879  Osmorhiza berteroi Joseph Andorfer Ewan 1937-5-23 10327 Napa Mt. St. Helena; w slope, along auto road Comment
  SEINET13944817 Image available Osmorhiza chilensis Joseph Andorfer Ewan 1937-1 10327 Napa Along auto road. W. slope Mt. St. Helena. 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
  JEPS106862  Packera breweri Jake Ruygt 1988-5-1 2163 Napa west of Butts Canyon Rd. on Aetna Springs Rd. 216 Comment
  UC221396  Packera clevelandii H. M. Hall 1923-10-14 11943 Napa 8 mi n Pope Valley Comment
  UCD134774  Packera eurycephala K. Esau; E. Hyde 1936-5-14 s.n. Napa Napa Valley. Comment
  JEPS17411  Packera eurycephala var. eurycephala W. L. Jepson 1938-5-22 18835 Napa Pope Valley Comment
  JEPS82375  Packera eurycephala var. eurycephala R. F. Hoover 1938-6-11 3601 Napa Knoxville Ridge Comment
  OBI15493  Packera greenei Robert F. Hoover 1966-5-28 9878 Napa Just S of summit on Butts Cyn rd from Pope Valley Comment
  UC761908  Packera greenei Robert F. Hoover 1941-6-8 5319 Napa e side Mount St. Helena Comment
  UCD36304  Packera greenei Beecher Crampton 1953-5-19 1303 Napa Chiles Valley, 11 miles east of Rutherford, on Highway 128. Comment
  JEPS122965  Panicum acuminatum var. acuminatum Jake Ruygt 1986-5-5 1748 Napa NW slope of Mt. George. Quad: Mt. George. Comment
  UC187240  Panicum acuminatum var. acuminatum Joseph P. Tracy 1905-7-8 2234 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  JEPS122964  Panicum capillare Jake Ruygt 1986-6-18 1825 Napa Imola Ave. southeast of Maxwell bridge, Napa. Quad: Napa. Comment
  UCD89389  Panicum capillare Virginia Bufford 1936-9-20 435 Napa West place near Mineral Spring-Lower Lake-Knoxville Road. Comment
  JEPS122962  Panicum dichotomiflorum Jake Ruygt 1992-8-31 3135 Napa Wild Horse Valley Ranch, Leoma Lakes. Quad: Mount George. Comment
  JEPS110746  Parentucellia viscosa Jake Ruygt 1988-5-4 2178 Napa SW corner of HWY 29 and Airport Rd. 19 Comment
  UCD88729  Paspalum dilatatum Beecher Crampton 1962-10-9 6699 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  POM146620  Pedicularis densiflora A. A. Heller 1924-4-12 13840 Napa About 5 miles south of Calistoga. Comment
  UC480620  Pedicularis densiflora Mrs. Linsdale 1929-4-13 Napa Calistoga Comment
  UCD149364  Pedicularis densiflora Collector Unknown 1940-4-7 s.n. Napa City of St. Helena. 80 Comment
  UCD19956  Pedicularis densiflora E. A. Dean; Virginia Boucher 2002-2-28 900 Napa Quail Ridge Reserve. Along East Rd., 1.4 airline miles N of Hwy 128. 365 Comment
  UCD47772  Pellaea andromedifolia Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 6 Napa Mclaughlin Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. Hillside ca. 150 m above the road, east of the calcium seep, on a west-facing slope, 50 m down from the crest of the hill. 426 Comment
  UC197944  Pellaea andromedifolia C. F. Sonne Apr. 1885 Napa Soda Springs Comment
  UCD137586  Pellaea andromedifolia D. H. Hartmann 1942-3-7 s.n. Napa Green Valley. Comment
  CAS-BOT-BC71377  Pellaea mucronata John H. Thomas 1958-4-19 7112 Napa About 2 miles SW of Oakville 152 Comment
  CAS-BOT-BC71384  Pellaea mucronata Peter H. Raven 1954-1-22 6387 Napa Soda Springs Canyon just north of the Resort 213 Comment
  SJSU1365  Penstemon heterophyllus J. W. Tilden 1953-5-24 1037 Napa NE slope Mt St Helena 457 Comment
  UCD124215  Penstemon heterophyllus M. Ensign 1943-5-28 321 Napa 17 miles from Monticello on road to Lower Lake. Comment
  JEPS7566  Penstemon heterophyllus var. heterophyllus W. L. Jepson 1904-6-3 2446 Napa Howell Mt. , Howell Mt. (Napa Range) Comment
  NY601707  Penstemon heterophyllus var. heterophyllus P. H. Raven 1951-6-26 3059 Napa Wooden Valley Grade 304.8 Comment
  NY601710  Penstemon heterophyllus var. heterophyllus D. D. Keck 1931-4-2 1028 Napa Wooden Valley Grade, west side of Napa Range, 5 miles northeast of Napa 200 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
  UC726424  Penstemon newberryi var. sonomensis A. A. Heller 1941-5-3 16086 Napa Mt. St. Helena, about half way up along the road leading to the sumit Comment
  JEPS120381  Pentachaeta exilis subsp. exilis Jake Ruygt 1998-5-2 3951 Napa Jerd Creek Comment
  CDA11621  Pentagramma triangularis G. F. Hrusa, G. L. Stebbins 1994-3-11 11595 Napa North Coast Biodiversity Arena; Las Posadas State Forest. E of Fire Station in upper drainage of Moore Creek. Comment
  CAS-BOT-BC71676  Pentagramma triangularis subsp. triangularis Peter H. Raven 1953-2-21 5193 Napa Wooden Valley Grade 274 Comment
  JEPS60097  Pentagramma triangularis subsp. triangularis W. L. Jepson 1936-5-29 17552 Napa Adam and Eve Ridge Howell Mt 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
  UCD48369  Pentagramma triangularis subsp. triangularis A. Van Houtte; E. Leger and C. Hohn 2001-4-14 15 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam on W side of South Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope from ruined cabins. 152 Comment
  JEPS12439  Perideridia kelloggii W. L. Jepson 1915-4-23 6252 Napa Conn Valley Napa Range Comment
  JEPS12448  Perideridia kelloggii Willis L. Jepson 1893-9-24 14218 Napa Howell Mt. Napa River Basin Comment
  JEPS129109  Perideridia oregana Jake Ruygt 2015-6-13 6128 Napa Fernandes - Snell Peak, Land Trust. Aetna Springs 7.5' Quad. Comment
  UCD164830  Perideridia oregana Jake Ruygt 2012-6-30 5867 Napa Crystal Flats, west of Putah Creek. 195 Comment
  CAS-BOT-BC419301  Persicaria punctata Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC419302  Persicaria punctata Peter H. Raven 1951-6-26 3041 Napa Napa to Wooden Valley Grade 60 Comment
  JEPS37159  Petasites frigidus var. palmatus Mrs. C. A. Hunt 1909-3-25 Napa Comment
  UCD148794  Petrorhagia dubia Ellen Dean; Diana Hickson 2014-4-29 8102 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD73446  Petrorhagia prolifera 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
  UCD120303  Phacelia californica John Thomas Howell 1929-6-9 4309 Napa 4 miles from Calistoga on road to Petrified Forest. Comment
  CAS-BOT-BC134011  Phacelia distans John H. Thomas 1955-5-21 5113 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UC24344  Phacelia distans Willis L. Jepson 1893-4-28 Napa near Napa City; Napa River Basin Comment
  UCD170435  Phacelia divaricata Daniel Potter; Peter Lash 2017-3-28 907 Napa Knoxville Wildlife Area, northeast of Zim Zim Falls. 445 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
  UC131533  Phacelia imbricata C. F. Baker 1903-4-20 2604 Napa Mt. St. Helena Comment
  UC1471530  Phacelia imbricata Edw. L. Greene 1891-7-1 Napa near St. Helena Comment
  CAS-BOT-BC134012  Phacelia imbricata var. imbricata John H. Thomas 1955-5-21 5153 Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 167 Comment
  CAS-BOT-BC154361  Phacelia suaveolens Belle R. Jackson 1930-6-20 s.n. Napa Middle peak, Mt. St. Helena Comment
  JEPS68361  Phacelia suaveolens L. R. Heckard 1972-6-26 2995 Napa se lookout (rocky flat near radar station); Mt. St. Helena 1219 Comment
  UC1299141  Phacelia suaveolens Freed W. Hoffman 1947-8-4 1422 Napa Mt. St. Helena 609 Comment
  CAS-BOT-BC258828  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa In Napa Valley, near Calistoga 91 Comment
  CAS-BOT-BC265790  Phalaris aquatica T. H. Kearney 1951-6-16 s.n. Napa Along Vichy Road ca. 2 mi. from Napa Comment
  UCD169785  Phoradendron bolleanum Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 793 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 444 Comment
  CDA11824  Phoradendron densum G. F. Hrusa 1993-10-3 11427 Napa North Coast Biodiversity Arena; 2 m. SW along Knowxville-Devilhead Rd. from Knoxville-Berryessa Rd. 518 Comment
  UC639129  Phoradendron densum H. L. Mason and L. Constance 1939-12-21 Napa on shoulder of Mt. St. Helena (on Middletown-Calistoga rd. at Lake Co. line) Comment
  UC639128  Phoradendron densum H. L. Mason and L. Constance 1939-12-21 Napa on shoulder of Mt. St. Helena (on Middletown-Calistoga rd. at Lake Co. line) Comment
  UCD48243  Phoradendron leucarpum subsp. tomentosum D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-25 s.n. Napa Berryessa-Knoxville Road. UC McLaughlin Nature Reserve. 650 Comment
  UCD49303  Phoradendron leucarpum subsp. tomentosum K. Mogel; B. Pekin and M. Higley 2002-5-4 16 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 800 ft. N of power lines along the road that leads N from the meadow; 50 ft. downslope of road. 320 Comment
  JEPS110811  Phoradendron villosum Jake Ruygt 1979-5-20 614 Napa 1.6 miles north of White Cottage Rd. on Summit Dr. 694 Comment
  RSA92929  Phoradendron villosum Peter H. Raven 1951-8-19 3851 Napa Near Lokoya. 457 Comment
  JEPS110922  Physalis philadelphica Jake Ruygt 1969-12-31 418 Napa Napa River south of Trancas St., Napa 3 Comment
  UCSB2829  Physocarpus capitatus Keator, Glenn 1959-3-28 Napa Conn's picnic grounds, Napa range Comment
  SEINET741777 Image available Pickeringia montana M. F. Wojciechowski 2000-5-27 895 Napa Cache Creek area north of Lake Barryessa Comment
  SFV5083  Pickeringia montana B. C. Templeton 1957-6-27 s. n. Napa About 3 miles up Trinity Road near the junction to Oakville. Comment
  JEPS107240  Pickeringia montana var. montana Jake Ruygt 1976-5-18 93 Napa 5.3 miles west of Madronna St. on Spring Mountain Rd. 615 Comment
Read comments
Aug 15 2010
  UC1197436  Pickeringia montana var. montana Joseph P. Tracy 1899-7-6 398 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  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
  CAS-BOT-BC73374  Pinus attenuata Peter H. Raven 1951-8-21 3876 Napa Mt. Veeder 792 Comment
  RSA10628  Pinus attenuata C. B. Wolf 1928-5-4 1864 Napa Upper slopes of Mount St. Helena Comment
  SEINET3221128 Image available Pinus attenuata Royal D. Suttkus 1967-6-26 67- 30 -4 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  JEPS103995 Image available Pinus sabiniana Jake Ruygt 1979-4-23 540 Napa HWY 128, 1.8 miles east of Silverado Trail (Sage Canyon Rd 88 Comment
  UC1600395  Pinus sabiniana W. L. Jepson 1896-1 Napa St. Helena Comment
  JEPS120440  Piperia elongata Jake Ruygt 1978-7-2 377 Napa 3/4 mile west of 29 on Diamond Mtn. Rd. Comment
  UC1196425  Piperia transversa J. P. Tracy 1899-6-14 446 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  UC429322  Piperia unalascensis H. P. Chandler 1907-5-4 7555 Napa White Sulphur Springs St. Helena Comment
  UCD74369  Plagiobothrys bracteatus Jake Ruygt 2000-5-17 4254 b Napa di Rosa Preserve, Hwy. 12, northwest of Duhig Rd. 79 Comment
  UCD164856  Plagiobothrys fulvus var. campestris Jake Ruygt 2012-4-21 5830 Napa Crystal Flats, west of Putah Creek. 216 Comment
  UCD35288  Plagiobothrys fulvus var. campestris Beecher Crampton 1955-4-7 2436 Napa Napa County; 7.8 miles north of Monticello. Comment
  JEPS106763  Plagiobothrys nothofulvus Jake Ruygt 1984-3-31 1521 Napa Devil's Canyon 384 Comment
  UCD81818  Plagiobothrys nothofulvus Ellen Dean 2009-4-24 5445 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  RSA0051321  Plagiobothrys nothofulvus Keith E. Hoffmaster 1946-3-23 1040 Napa Napa range, along Napa-Monticello road. Comment
  UC1301088  Plagiobothrys nothofulvus Helen K. Sharsmith 1963-4-20 5345 Napa on Monticello Road San Francisco Bay Region, Napa Range (sw slope of range) 152 Comment
  UCD147458  Plagiobothrys stipitatus var. micranthus Ellen Dean; Diana Hickson 2014-4-29 8071 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  CAS-BOT-BC228493  Plagiobothrys strictus Peter H. Raven 1950-5-6 2024 Napa Near Old Faithful Geyser N of Calistoga 182 Comment
  UC1245375  Plagiobothrys tenellus Joseph P. Tracy 1950-5-23 18669 Napa dry gravelly flats Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UCD161344  Plagiobothrys tener Jake Ruygt 1986-4-14 1703 Napa 4.5 miles north of Westgate Drive on Atlas Peak Road. (Coordinates estimated by label maker at UC Davis). 446 Comment
  OBI20606  Plagiobothrys tener Joseph P. Tracy 1950-5-23 18664 Napa On La Jota Plateau in Los Posadas state forest 518 Comment
  UCD164837  Plagiobothrys tener var. subglaber Jake Ruygt 2012-4-21 5841 Napa Spanish Valley, southeast. 225 Comment
  RSA10692  Plantago erecta Carl B. Wolf 1928-5-3 1795 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD118542  Plantago erecta Roxanne Faure; 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
  UCD148811  Plantago erecta Ellen Dean; Diana Hickson 2014-4-29 8118 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  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
  UC402910  Plantago erecta Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George Comment
  JEPS120327  Platystemon californicus Jake Ruygt 2002-4-17 4389 Napa North of Foss Valley, Atlas Peak Vineyards (Antinori). Rutherford 7.5' Quad. Comment
  UCD170190  Platystemon californicus Daniel Potter; Ninh Khuu, Ellen Dean 2015-3-22 767 Napa Knoxville Wildlife Area, east of Zim Zim Falls. 385 Comment
  CAS-BOT-BC91871  Platystemon californicus Mrs. H. C. Cantelow 1939-4-8 s.n. Napa Walters Springs. Comment
  UC186875  Platystemon californicus C. F. Sonne April 1895 Napa Napa Junction Comment
  JEPS4802  Plectritis brachystemon Miss R. Kuhn 1912-5-19 Napa Oakville 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
  HSC21697  Plectritis ciliosa Greg Bos 1963-3-30 56 Napa 1 mi. S of Middletown on Butts Canyon Rd. 335 Comment
  JEPS4798  Plectritis macrocera Miss R. Kuhn 1912-4-17 Napa Oakville Comment
  JEPS6143  Plectritis macrocera Bacigalupi and Dempster 1954-5-10 4446 Napa Highway 128 between Chiles Valley and Monticello Valley; Highway 128 Comment
  JEPS122930  Pleuropogon californicus Jake Ruygt 1979-4-19 523 Napa Suscol Hill, (east of Highway 221). Quad: Cuttings Wharf. Comment
  UC187257  Pleuropogon californicus Joseph P. Tracy 1903-5-18 1874 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  UC767873  Pleuropogon californicus var. californicus R. F. Hoover 1941-4-26 4923 Napa Pope Valley Comment
  CAS-BOT-BC244370  Poa annua Peter H. Raven 1950-4-15 1705 Napa Along streets, Napa 9 Comment
  UC1103792  Poa howellii Joseph P. Tracy 1899-6-18 349 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 518 Comment
  UCD148605  Poa kelloggii G. F. Hrusa; G. L. Stebbins 1994-4-18 11782 -A Napa along upper Swartz Creek north tributary. 213 Comment
  CAS-BOT-BC246846  Poa napensis Alan A. Beetle 1946-5-7 4256 Napa 2 miles north of Calistoga at Myrtledale Hot Springs Comment
  CDA31320  Poa secunda D. G. Kelch 2010-5-6 10 .186-B Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD17976  Poa secunda Ellen Dean; with Plant Biology 102 class 2001-4-14 701 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, below stock pond. 152 Comment
  JEPS122923  Poa secunda subsp. secunda Jake Ruygt 1983-4-2 1401 Napa End of Green Valley Road. Quad: Mt. George. Comment
  UCD92024  Poa secunda subsp. secunda E. W. Taylor 1932-4-1 s.n. Napa Entrance to Napa county traffic officers country club. 274 Comment
  JEPS110822  Pogogyne douglasii Jake Ruygt 1982-6-13 1320 Napa Pope Canyon Rd. near large vernal marsh 187 Comment
  UC1177075  Pogogyne douglasii Peter H. Raven 1951-5-26 2880 Napa Butts Canyon 304 Comment
  UC1988917  Pogogyne douglasii Alice Eastwood and John Thomas Howell 1939-6-11 Napa near Calistoga Comment
  UCD125418  Pogogyne douglasii G. H. Vansell 1934-5-16 s.n. Napa Napa Valley. Comment
  UCD166671  Pogogyne serpylloides Jake Ruygt 2004-5-4 4593 Napa Pope Canyon Rd, Dept. of Fish and Wildlife property, west of Samuel Springs site. 164 Comment
  CDA3400  Polycarpon tetraphyllum J. T. Howell 1943-6-2 18242 Napa Hills west of Napa Valley between St. Helena and Mt. St. John. Comment
  JEPS51381  Polycarpon tetraphyllum W. L. Jepson 1894-10-15 Napa St. Helena Comment
  RSA10666  Polygala californica Carl B. Wolf 1928-5-3 1823 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC109721  Polygala californica K. Brandegee Aug 1888 Napa Howell Mountain Comment
  UCSB11831  Polygala californica Haller, John 1961-6-18 Napa Las Posadas State Forest, 1.5 mi S of Angwin on Howell Mountain Plateau 518 Comment
  JEPS112598  Polygonum amphibium var. emersum Jake Ruygt 1991-8-8 2829 Napa east side of Lake Orville, Friesen's Lakes, Angwin 557 Comment
  JEPS110849  Polygonum bolanderi Jake Ruygt 1997-11-24 3878 Napa East of Chimney Rock , between Soda Canyon and Silverado Tr 152 Comment
  UC77395  Polygonum bolanderi Edward Lee Greene 1883-1 Napa Napa Valley Comment
  UC6676  Polygonum californicum Brewer 856 Napa Napa Hills Comment
  JEPS112596  Polygonum lapathifolium Jake Ruygt 1986-7-12 1874 Napa Napa River south of confluence of Tulocay Creek 1 Comment
  JEPS50624  Polygonum lapathifolium Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin, Howell Mountain Comment
  UC1136166  Polygonum lapathifolium B. Schreiber 1936-8-16 2314 Napa 0.8 mi s Yountville; Napa Quadrangle Comment
Read comments
Nov 19 2007
  RSA755360  Polygonum punctatum L. Ahart 2009-10-12 16449 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  CAS-BOT-BC71953  Polypodium californicum Rimo Bacigalupi 1924-2-22 s.n. Napa near toll house Mt. St. Helena Comment
  SACT002023  Polypogon maritimus 1925-5-25 Napa No collector/determiner listed. Comment
  RSA769222  Polypogon monspeliensis L. Ahart 2009-10-12 16465 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
  JEPS116550  Polystichum munitum Jake Ruygt 2005-5-21 4860 Napa Marie Creek where it enters Skyline Park. Mount George 7.5' Quad. Comment
  CAS-BOT-BC445239  Portulaca oleracea R. E. Frenkel 1963-10-27 292 Napa In the vinyard north of Oakville Cross Road Comment
  UCD160569  Prosartes hookeri G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  JEPS62485  Prunella vulgaris W. L. Jepson 1923-6-3 9975 Napa e Yountville (Napa Valley, near base of hills); Napa Valley Comment
  JEPS112641  Prunella vulgaris var. lanceolata Jake Ruygt 1982-6-29 1346 Napa .3 mile south of Old Bale Mill on east side of HWY 29 88 Comment
  JEPS110566  Prunus ilicifolia subsp. ilicifolia Jake Ruygt 1979-5-3 573 Napa Cup and Saucer 121 Comment
  JEPS44960  Prunus subcordata W. L. Jepson 1925-9-27 10747 Napa Howell Mountain Comment
  POM262889  Prunus subcordata J. C. Roos 1939-3-31 307 Napa Angwin. Howell Mtns. Comment
  UC12813  Prunus subcordata Willis L. Jepson 1893-5-8 Napa New Eden Napa River Basin Comment
  UC12815  Prunus subcordata Willis L. Jepson 1893-4-24 Napa e of St. Helena Town (Napa River Basin, Napa River, Park Hill Bridge); Napa River Basin, Napa River, Park Hill Bridge Comment
  UC467871  Prunus subcordata H. P. Chandler 1907-4-21 7532 Napa Road from Glen Ellen to Oakville (side of Summit) Comment
  JEPS110647  Prunus virginiana var. demissa Jake Ruygt 2002-5-6 4414 Napa Monticello Road near Circle Oaks 350 Comment
  JEPS106916  Pseudognaphalium biolettii Jake Ruygt 1988-7-19 3516 Napa Skyline Park, Sugarloaf trail. 420 Comment
  UCD19341  Pseudognaphalium luteoalbum M. A. Bibbo; E. Dean 2001-7-6 34 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. In dry creek drainage just W of rd. 228 Comment
  CAS-BOT-BC356981  Pseudognaphalium luteoalbum Peter H. Raven 1952-5-31 4161 Napa Flood plain of Rector Creek 121 Comment
  JEPS106962  Pseudognaphalium stramineum Jake Ruygt 1997-7-5 3872 Napa east of White Cliff Springs east of Soda Valley. 371 Comment
  RSA195368  Pseudotsuga menziesii Gilbert Muth 1967-2-12 528 Napa Below Martin Springs. 439 Comment
  JEPS48292  Pseudotsuga menziesii var. menziesii W. L. Jepson 1900-3-10 511 Napa Howell Mt. Comment
  JEPS129114  Psilocarphus brevissimus var. brevissimus Jake Ruygt 2015-5-6 6090 Napa East side of Highway 221, south of Suscol Creek. Cuttings Wharf 7.5' Quad. Comment
  UCD161254  Psilocarphus brevissimus var. brevissimus Jake Ruygt 1982-5-12 1238 -a Napa Suscol Plain east of Kaiser Steel. (Coordinates estimated by label maker at UC Davis). 4 Comment
  UCD63153  Psilocarphus brevissimus var. brevissimus Jake Ruygt 2005-6-7 4906 Napa Ridge top west of Circle Oaks. 588 Comment
  JEPS106923  Psilocarphus tenellus Jake Ruygt 1981-4-25 1004 Napa Table Mountain 762 Comment
  CAS-BOT-BC421126  Pterostegia drymarioides Peter H. Raven 1953-4-2 5248 Napa Hills e. of Imola 121 Comment
  JEPS85023  Pterostegia drymarioides Larry Heckard and Mary Ashton 1969-5-3 2217 Napa ca. 7 mi. n.e. Napa (off Atlas Peak Rd., above and w. of the meadow, Mead Ranch); Mead Ranch 510 Comment
  UCD92220  Puccinellia simplex Beecher Crampton 1955-3-15 2327 Napa Napa County, 2 miles north of Calistoga, near Myrtledale Hot Springs. Comment
  CAS-BOT-BC460820  Pyrola aphylla H. D. Ripley; R. C. Barneby 1945-6-21 6936 Napa South of Pope Valley 579 Comment
  UCD167071  Pyrola picta Jake Ruygt 2007-5-19 5185 Napa Las Posadas State Forest, south of fire station. 548 Comment
  CAS-BOT-BC362359  Pyrrocoma racemosa var. racemosa Milo S. Baker 1933-9-9 7535 Napa Near Calistoga Geyser Comment
  JEPS20198  Pyrrocoma racemosa var. racemosa R. F. Hoover 1941-8-24 5579 Napa near Calistoga; Myrtledale Hot Springs Comment
  UC292741  Pyrrocoma racemosa var. racemosa C. C. Parry Oct 1881 Napa Calistoga Comment
  JEPS116571  Quercus X chasei Jake Ruygt 1982-3-22 1141 Napa Sugarloaf Mountain near Skyline Park. 7.5' Mount George Quad. Comment
  HSC83359  Quercus agrifolia W. C. Overton 1980-7-13 Napa S bank of Eticuera Creek 1.5 mi N of Lake Berryessa 177 Comment
  JEPS37367  Quercus agrifolia W. L. Jepson 1907-12-1 2972 Napa Napa Valley; Sanitarium Hill road Comment
  SEINET3140984  Quercus agrifolia Unknown 1995-6-11 sn Napa Homestead Area of McCormick Ranch, approx. 1.1 mi N of Bald Mnt. in Sugar Loaf State Park, and roughly 7 mi W of St. Helena 549 Comment
  UCD45014  Quercus agrifolia Frank W. Gould 1939-4-6 595 Napa Five miles east of Napa, grove of trees in Arctostaphylos-Ceanothus chaparral. Trees 20 to 30 feet tall. Comment
  UCR146887  Quercus agrifolia Kathleen Stockwell 2000-5-27 s.n. Napa Coast Range, along Napa Creek which flows to the Napa River, along Kingston Ave. in city of Napa, north of Browns Valley Rd. and Westwood Hills Park 30 Comment
  UCD148747  Quercus berberidifolia Jake Ruygt 2000-10-9 4287 Napa Napa County; south of Snell Peak on ridge. 396 Comment
  UCD45210  Quercus berberidifolia G. L. Stebbins Jr. 1948-5-9 3938 Napa South-facing slope, on edge of serpentine formation; Capell Canyon, beside road from Monticello to Rutherford, 9 miles southeast of Monticello, Napa County, California. Comment
  UCD45211  Quercus berberidifolia Thomas Morley 1941-5-11 126 Napa On west bank of Putah Creek immediately above junction with Butts Creek, Napa County. Comment
  CAS-BOT-BC62462  Quercus chrysolepis John Thomas Howell 1926-10-3 2201 Napa Mt. St. Helena Comment
  JEPS116542  Quercus chrysolepis Jake Ruygt 1984-3-31 1516 a Napa Devil's Canyon. Sonoma 7.5' Quad. Comment
  UCD45344  Quercus chrysolepis D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. Capell Creek. 350 Comment
Read comments
Nov 3 2006
  CAS-BOT-BC85940  Quercus douglasii Peter H. Raven 1953-4-2 5277 Napa hills of Tulucay Creek 243 Comment
  JEPS37393  Quercus douglasii Willis L. Jepson 1901-8-6 1729 Napa Howell Mt. grade Napa River Basin Comment
  SACT002118  Quercus douglasii John Willoughby 1977-4-20 Napa foothill woodland 365.76 Comment
  UCD121176  Quercus douglasii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7356 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 416 Comment
  UCD45748  Quercus douglasii John M. Tucker; G. L. Stebbins 1950-11-5 2008 11 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; growing with both parental species. Comment
  UCD92305  Quercus douglasii J. M. Tucker 1954-9-23 2756 Napa West side of Highway 37. 0.1 mile south of junction with Wooden Valley Road (about 9.5 miles northeast of Napa). Comment
  SEINET12029179  Quercus dumosa Unknown 1941-1 127 Napa west bank of Putah Creek immediately above junction with Butts Creek Comment
  SEINET12029187  Quercus dumosa Unknown 1941-1 126 Napa west bank of Putah Creek immediately above junction with Butts Creek Comment
  CAS-BOT-BC79835  Quercus durata John H. Thomas 1955-5-21 5164 Napa Near State Highway No. 128 and capell Creek, about 12 mi E of St. Helena 274 Comment
  CAS-BOT-BC79837  Quercus durata C. Hart Merriam September k3m k9k9 s.n. Napa Canyon House, Steel Creek Comment
  CAS-BOT-BC79846  Quercus durata H. E. McMinn 1922-6-8 199 Napa hill side along Pope Creek 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
  UCD14808  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -6 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14809  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -7 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; 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
  UCD14843  Quercus durata John M. Tucker 1950-11-12 2014 -21 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD149561  Quercus durata G. Ledyard Stebbins 1994-4-15 s.n. Napa Berryessa Dam. Comment
  UCD45966  Quercus durata David Slade 1982-5-27 72 Napa Highway 128 3.8 miles W of Moskowite Corner, 1000 feet. 304 Comment
  HSC71371  Quercus durata var. durata J. P. Smith, J. O. Sawyer 1970-5-17 3784 Napa 8 mi. N of Pope Valley Comment
  UCD45929  Quercus durata var. durata Thomas Morley 1941-5-11 130 A Napa On north bank of Butts Creek 1/4 mile west of its junction with Putah Creek, Napa County. Elevation 480 feet. 146 Comment
  SFV17797  Quercus garryana J. M. Tucker 1950-11-5 2005 5 Napa Yard on outskirts of Angwin on Howell Mountain. Comment
  UCD148750  Quercus garryana Jake Ruygt 1999-5-14 4152 Napa Napa County; Lake Hinman, west of Yountville Veteran's Home. 109 Comment
  JEPS100413  Quercus garryana var. garryana Dean Wm. Taylor with Glenn Clifton 1990-10-30 11570 Napa Angwin, along Clark Way North Coast Ranges Comment
  UCD148742  Quercus garryana var. garryana Jake Ruygt 2004-7-31 4638 b Napa Napa County; near top of Buzzard's Roost. 594 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
  CAS-BOT-BC105296  Quercus kelloggii John H. Thomas 1966-3-22 11533 Napa About 5 miles N of Calistoga as measured along highway 29 on the SE slope of Mt. St. Helena Comment
  CAS-BOT-BC105297  Quercus kelloggii John R. Arnold 1962-7-1 s.n. Napa North Shoulder of Mt. St. Helena Comment
  JEPS46697  Quercus kelloggii W. L. Jepson 1934-10-11 16899 Napa St. Helena Sanitarium Comment
  UCD49046  Quercus kelloggii Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 18 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 bed. 167 Comment
  CAS-BOT-BC62876  Quercus lobata Peter H. Raven 1951-6-24 s.n. Napa Napa-Brown's Valley 152 Comment
  CAS-BOT-BC62881  Quercus lobata John Thomas Howell 1933-8-27 11630 Napa Sage canyon, Napa Range Comment
  JEPS116529  Quercus lobata Jake Ruygt 2004-4-12 4584 Napa Gordon Valley Road, south side of Okell Hill. Fairfield North 7.5' Quad. Comment
  CAS-BOT-BC104980  Quercus wislizeni James L. Reveal 1987-6-7 6391 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles W of Pleasant Valley Road, about 5.5 miles W-NW of Vacaville 182 Comment
  CAS-BOT-BC104984  Quercus wislizeni Wm. C. Overton 1980-7-13 s.n. Napa Along S bank of Eticuera Creek, ca 1.5 road miles N of Lake Berryessa 176 Comment
  CAS-BOT-BC104985  Quercus wislizeni Belle Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  RSA491721  Quercus wislizeni James L. Reveal 1987-6-7 6391 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road, about 5.5 miles west-northwest of Vacaville. 183 Comment
  UCD149564  Quercus wislizeni G. Ledyard Stebbins 1994-10-5 s.n. Napa Hennessey Lake. 3 miles east of junction of Route 128 [and Chiles Pope Valley Road]. Comment
  UCD47533  Quercus wislizeni Thomas Morley 1941-5-11 124 Napa At Lombardi's Ranch, west side of Putah Creek just above junction with Butts Creek, Napa County. Comment
  JEPS116537  Quercus wislizeni subsp. frutescens Jake Ruygt 1995-4-24 3445 Napa 2 miles south of Lake Hennessey boat dock; Taylor Vineyards. Yountville 7.5' Quad. Comment
  RSA10629  Quercus wislizeni var. frutescens Carl B. Wolf 1928-5-4 1862 Napa Upper slopes of Mount St. Helena. Comment
  UCD89690  Ranunculus aquatilis Paul A. Aigner 2004-4-10 s.n. Napa DFG Knoxville Wildlife Area, adjacent to McLaughlin Reserve, Foley Canyon. 635 Comment
  JEPS110890  Ranunculus aquatilis var. hispidulus Jake Ruygt 1981-4-22 996 Napa Suscol plain near Kaiser Steel (Rocktram 3 Comment
  JEPS110875  Ranunculus hebecarpus Jake Ruygt 1986-3-29 1672 a Napa Toll Canyon 210 Comment
  CAS-BOT-BC83414  Ranunculus lobbii W. R. Dudley 1895-2-23 s.n. Napa By road at head of Napa Valley. Comment
  CDA10911  Ranunculus occidentalis G. F. Hrusa, M. Rejmanek 1993-5-15 11007 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS77945  Ranunculus occidentalis Edward Lee 1936-3-15 1811 Napa Rutherford-Pope Valley road 10.7 mi out of Rutherford Comment
  UCD96938  Ranunculus occidentalis H. Popenoe 1949-4-17 9 Napa 17 miles from Winters, at entrance to Monticello Valley. Comment
  POM268381  Ranunculus occidentalis var. eisenii Lyman Benson 1931-2-26 2600 Napa N of Calistoga, Mayacamas Mt. Napa watershed. 549 Comment
  RSA268386  Ranunculus occidentalis var. eisenii Lyman Benson 1935-2-25 6246 Napa S base Mt. St. Helena, Mayacamas Mt, Napa River. 244 Comment
  UCD117469  Ranunculus occidentalis var. occidentalis Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside opposite drainage pipe. 519 Comment
  SBBG20752  Ranunculus occidentalis var. occidentalis H. and M. Dearing 1939-5-3 3266 c Napa near Napa Comment
  SEINET200318  Ranunculus occidentalis var. rattanii J. P. Tracy 1902-5-22 1631 Napa Hills at head of Moore's Creek 3-4 mi E of Angwin's Howell Mtn Northern Coast Ranges 366 Comment
  JEPS86267  Ranunculus orthorhynchus var. bloomeri W. L. Jepson 1945-3-28 27555 Napa about 3 mi se Yountville; Napa Valley Comment
  RSA92781  Ranunculus orthorhynchus var. bloomeri Peter H. Raven 1950-4-15 1708 Napa [Unspecified] 9 Comment
  JEPS110990  Ranunculus pusillus Jake Ruygt 1982-6-1 1301 Napa .3 mile north of Chimney Rock Golf Cours on Silverado Trail 20 Comment
  SEINET8889133 Image available Raphanus raphanistrum Alex Lasseigne 2003-1 13722 Napa vicinity of empty field near Marina, on Hwy 37 to Napa Valley. 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
  JEPS106865  Rhagadiolus stellatus Jake Ruygt 1989-4-29 2297 Napa Napa River north of Trancas St.,Napa 3 Comment
  RSA7786  Rhamnus californica Carl B. Wolf 1928-5-4 1856 Napa Upper slopes of Mount St. Helena. Comment
  UC592776  Rhamnus californica subsp. californica unknown 1928-5-4 1856 Napa upper slopes of Mt. St. Helena Mt. St. Helena Comment
  JEPS42003  Rhamnus crocea W. L. Jepson 1915-12-5 6587 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UC1197982  Rhamnus tomentella subsp. tomentella Joseph P. Tracy 1899-6-19 388 Napa 3-4 mi e Angwin's (on hills at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  CAS-BOT-BC199720  Rhododendron occidentale R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6675 Napa Butt's [Butts] Canyon, 10 mi. N. of Howell Mt. Comment
  HSC41173  Rhododendron occidentale Robert M. Specht 1976-5-15 458 Napa .3 mi. S of Napa-Lake Counties border on Hwy. 29 at Rattlesnake Spring Comment
  UC527847  Rhododendron occidentale R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6675 Napa 10 mi n of Howell Mountain; Butts Canyon Comment
  CAS-BOT-BC168039  Rhus aromatica John Thomas Howell 1926-3-28 1769 Napa St. Helena Creek below Patten's Comment
  UC17961  Rhus trilobata Willis L. Jepson 1894-5-1 Napa Bonn Creek; Napa River Basin Comment
  JEPS49319  Ribes californicum Willis L. Jepson 1893-5-2 13511 Napa Mts. e Calistoga (Pope Valley grade) Comment
  CAS-BOT-BC92976  Ribes californicum var. californicum H. E. McMinn 1925-1-24 1394 Napa Along road between Wooden Valley and Monticello. Comment
  JEPS129079  Ribes californicum var. californicum Jake Ruygt 2016-4-5 6176 Napa Gunn Ranch, E side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCD167056  Ribes malvaceum var. malvaceum Jake Ruygt 1995-4-9 3418 Napa Table Rock, The Palisades. 792 Comment
  CAS-BOT-BC198894  Ribes roezlii var. cruentum John Thomas Howell 1926-3-21 1707 Napa On St. Helena Creek near Patten's. 701 Comment
  CAS-BOT-BC198895  Ribes roezlii var. cruentum Rimo Bacigalupi 1926-3-28 1268 Napa Patton's Toll House along old road, Mt. St. Helena Comment
  JEPS49467  Ribes roezlii var. cruentum Willis L. Jepson 1893-4-25 13524 Napa mts. w St. Helena (Caux's Cabin); Napa River Basin Comment
  UC1299685  Ribes victoris Freed W. Hoffman 1947-3-12 761 Napa Trinity Road North Coast Ranges, Dry Creek Comment
  UCD167046  Ribes victoris Jake Ruygt 1988-4-11 2146 Napa Newell Canyon. 158 Comment
  JEPS106864  Rigiopappus leptocladus Jake Ruygt 1986-4-26 1731 Napa east of Wragg Canyon resort, Blue Ridge 304 Comment
  UCD133767  Rigiopappus leptocladus Beecher Crampton 1957-5-16 4044 Napa North end of Capell Valley, above Capell Creek, along Hwy. 128. Comment
  UCD148814  Rigiopappus leptocladus Ellen Dean; Diana Hickson 2014-4-29 8120 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  UCD18064  Rigiopappus leptocladus Ellen Dean; with Plant Biology 102 class 2000-4-22 619 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
  UCD18103  Rigiopappus leptocladus Ellen Dean; with Plant Biology 102 class 2000-4-22 612 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  UCD69027  Rigiopappus leptocladus P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. Base of barrens, on serpentine soils. UTM: 10SEN6659 155 Comment
  CAS-BOT-BC74592  Rorippa curvisiliqua John Thomas Howell 1926-4-3 1782 Napa Near Yountville. Comment
  JEPS53853  Rorippa curvisiliqua Willis L. Jepson Nov. 1894 13381 Napa river bed near St. Helena; river bed near St. Helena Comment
  UCD74397  Rorippa curvisiliqua Jake Ruygt 1986-5-19 1779 Napa Napa River at confluence of Tulocay Cr. 1 Comment
  JEPS106848  Rorippa palustris var. occidentalis Jake Ruygt 1981-3-29 957 Napa Suscol plain near steel mill 4 Comment
  JEPS129101  Rosa californica Jake Ruygt 2016-5-3 6228 Napa Ridge S of Oil Well Road; E side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  CDA11620  Rosa gymnocarpa G. F. Hrusa, G. L. Stebbins 1994-3-11 11592 Napa North Coast Biodiversity Arena; Las Posadas State Forest. Upper canyon of Moores Creek. Comment
  UC963910  Rosa gymnocarpa Milo S. Baker 1947-7-7 11860 Napa e slope of mt. near hiway at St. Andrew's Camp; Mt. St. Helena 609 Comment
  POM275408  Rosa spithamea Lyman D. Benson 1929-9-30 1931 Napa N side Mt. St. Helena. Mayacamas Mtns. Putah Creek watershed. 762 Comment
  UCD17673  Rubus H. Olmo; T. S. Mallah 1953-4-3 53 35 Napa California. Napa County: near Redwood Lodge, along road south of Calistoga. Growing in wet, swampy ground. Comment
  UCD17682  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 79 Napa California. Napa County: north of Redwood Lodge along Highway 128. Comment
  UCD91423  Rubus ulmifolius Lindsay Clark 2009-8-14 MCD 12 Napa Near Rt.128 bridge over Putah Creek, about 30 m from water. Monticello Dam, where Putah Creek meets Lake Berryessa. 182 Comment
  UCD17923  Rubus ursinus H. Olmo; T. S. Mallah 1953-4-8 53- 84 Napa California. Napa County: junction of Silverado Trail and Spring Valley Road near the 'Mather House. Comment
  UCD101077  Rumex acetosella M. Wiesendanger 1927-5-4 699 Napa Monticello, Napa Road. Comment
  CDA34173  Rumex dentatus L. Ahart 2009-10-27 16492 Napa About 50 yards southeast of Eticuera Creek, and about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road. Approximately, 20 miles (air) northwest of Winters. Comment
  CAS-BOT-BC433475  Rumex dentatus Peter H. Raven 1951-10-28 3935 Napa At w. end of Conn Lake 152 Comment
  CDA34676  Rumex maritimus L. Ahart 2009-10-27 16493 Napa Below 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 south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. Comment
  SBBG3780  Rupertia physodes H. and M. Dearing 1939-4-30 3230 Napa White Sulphur Springs Rd, St Helena Comment
  CAS-BOT-BC102890  Salix breweri John Thomas Howell 1961-3-31 36473 Napa near Conn Dam Comment
  SBBG28800  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butts Cyn between Pope Springs and Aetna Valley 91 Comment
  UC482103  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 a Napa between Pope Springs and Aetna Valley; Butt Canyon Comment
  UC762333  Salix breweri R. F. Hoover 1938-9-23 3864 Napa Canyon of south fork of Butts Creek Comment
  UCD170813  Salix eastwoodiae 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. Along drainage leading to Maxwell Creek. 166 Comment
  POM202753  Salix exigua I. L. Wiggins 1932-3-12 5755 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  RSA26496  Salix exigua L. S. Rose 1937-4-4 37020 Napa 4 miles N of Wooden Valley. 335 Comment
  CAS-BOT-BC108196  Salix hindsiana Bracelin; Ball; Parks 1931-4-21 33 Napa About 2 km. W. of Calistoga, on main highway in roadside ditch. Comment
  CAS-BOT-BC108197  Salix hindsiana Lewis S. Rose 1937-4-4 37020 Napa 4 mi. N. of Wooden Valley 335 Comment
  JEPS38433  Salix laevigata W. L. Jepson 1922-10-22 9840 Napa Conn Creek Napa Valley Comment
  UCD167160  Salix laevigata Jake Ruygt 2015-3-20 6049 Napa Suscol Creek, east of Highway 221. 82 Comment
  UC5018  Salix laevigata var. congesta Willis L. Jepson May 2 1891-May 6 1891 Napa creek bed of the Putah, below the Bluffs Comment
  JEPS13066  Salix lasiandra var. lasiandra Willis L. Jepson 1903-9-6 2340 Napa St. Helena Napa River Basin, St. Helena Comment
  CAS-BOT-BC107049  Salix lasiolepis C. R. Ball; H. E. Parks 1931-2-17 17 a Napa One mile northwest of Calistoga Comment
  POM220467  Salix lasiolepis Carleton R. Ball, Harold E. Parks 1931-2-17 17 -b Napa 1 mile NW of Calistoga. Comment
  UC483316  Salix lasiolepis Ira L. Wiggins 1932-3-12 5751 Napa 1 mi n Calistoga; North Fork of the Napa River Comment
  UC519393  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 2 Napa 10 mi from Monticello (Rutherford to Monticello); Chiles Valley Comment
  CAS-BOT-BC539352  Salix lasiolepis Jake Ruygt 1979-3-8 441 Napa 2.4 mi NW of Browns Valley Rd. On Redwood Rd. 109 Comment
  UCD164809  Salix lasiolepis Jake Ruygt 1979-3-8 441 Napa 2.4 miles NW of Browns Valley Rd. On Redwood Rd. 109 Comment
  CAS-BOT-BC124416  Salix lasiolepis var. lasiolepis C. R. Quick; J. A. Vogtmann 1933-3-2 s.n. Napa Dry Creek Road, approximately 15 miles from Napa Comment
  CAS-BOT-BC124417  Salix lasiolepis var. lasiolepis Elsa G. Ruckert 1960-3-12 20 Napa 5 1/2 miles from Highway 12 on east side of Dry Creek Road, 100 yards from county road 335 Comment
  UCD162403  Salpichroa origanifolia Irving Grover 1958-6-9 s.n. Napa Napa. Comment
  JEPS129066  Salvia columbariae Jake Ruygt 2016-4-2 6171 b Napa Smittle Creek NCRPOD, W of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  CAS-BOT-BC225170  Salvia sonomensis Peter H. Raven 1950-4-15 1772 Napa Wooden Valley Grade above Napa 457 Comment
  UCD149684  Salvia sonomensis Stephen P. Rae; Ayzik Solomeshch 2006-4-14 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  RSA90497  Sanguisorba minor Milo S. Baker 1931-7-9 5345 Napa 1/4 mile E of Calistoga Geyser. Comment
  CDA10907  Sanicula bipinnata G. F. Hrusa, M. Rejmanek 1993-5-15 11003 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD128001  Sanicula bipinnata Evert I. Schlinger 1952-3-16 14 Napa Putah Canyon. Comment
  POM196058  Sanicula bipinnata L. F. Robbins 1928-3-18 s.n. Napa Putah Canyon. Comment
  UC1197107  Sanicula bipinnatifida J. P. Tracy 1899-6-26 410 Napa 3-4 mi e of Angwin's (Howell Mountain, Head of Moore's Creek); Howell Mountain, Moore's Creek 365 Comment
  UCD128014  Sanicula bipinnatifida M. Wiesendanger 1927-5-4 679 Napa Near Monticello. Comment
  UCD117806  Sanicula crassicaulis Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Along dirt road that goes northeast of fire station. In field on south side of road. 519 Comment
  UCD127986  Sanicula crassicaulis D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCD147534  Sanicula crassicaulis Ellen Dean; Diana Hickson 2014-4-29 8088 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD127970  Sanicula crassicaulis Joseph M. DiTomaso 1976-5-2 411 Napa 4 miles west of Monticello Dam on Highway 128, Lake Berryessa. Comment
  UCD63191  Sanicula laciniata Jake Ruygt 2002-4-1 4380 Napa West of Calistoga above Blossom Creek. 213 Comment
  JEPS1735 Image available Sanicula menziesii var. pedata W. L. Jepson 1893-5-1 14189 Napa Calistoga Napa River Basin; Calistoga, Napa River Basin Comment
  UCR43102  Sanicula tuberosa L. F. LaPre 1986-5-6 s.n. Napa Inner North Coast Ranges, Cedar Creek, 3.5 mi SW of Knoxville & c. 0.5 mi (air) west of Devilhead Road at the junction of the creek & a dirt road 550 Comment
  JEPS967  Sanicula tuberosa Willis L. Jepson 1893-4-24 14192 Napa e of St. Helena (Napa River Basin); Napa River Basin Comment
  UCR24390  Saxifraga californica John C. Roos 1939-3-27 304 Napa North Coast Range, Snell Valley, Pacific Union College, Angwin 549 Comment
  JEPS8802  Scabiosa atropurpurea W. L. Jepson 1918-6-24 7668 Napa upper Napa Valley Napa Valley Comment
  JEPS104490  Scandix pecten-veneris Jake Ruygt 1991-9-27 2846 Napa Willis Drive, Napa 15 Comment
  UCD118610  Scandix pecten-veneris William Goss; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat. 388 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
  JEPS121365  Scirpus cernuus Jake Ruygt 1986-7-23 1888 Napa East end of Marina Drive, Napa. Comment
  CDA11595  Scirpus fluviatilis G. F. Hrusa, S. Larson 1995-4-1 12061 Napa North Coast Biodiversity Arena; Along Pope Canyon Rd. approx. 1 m. E of intersection of Pope Valley-Chiles Valley Rd. and Pope Canyon Rd. Comment
  CHSC114364  Scirpus microcarpus D. G. Kelch 2010-5-6 10 .163 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. 159 Comment
  CAS-BOT-BC110877  Scirpus microcarpus Peter H. Raven 1952-9-14 5176 Napa Corn Creek E of Yountville 91 Comment
  JEPS121373  Scirpus microcarpus Jake Ruygt 1984-6-2 1565 Napa Conn Dam Comment
  JEPS106749  Scleranthus annuus subsp. annuus Jake Ruygt 1993-5-1 3231 Napa Cedar Creek Rd. at Cedar Creek. 548 Comment
  UCD20735  Scutellaria californica Ellen Dean; w/ Mark Bibbo 2002-6-17 1099 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. South Decker Canyon Rd. just S of jct with Cut Off Rd. 190 Comment
  CAS-BOT-BC417003  Sedella pumila John Thomas Howell 1939-5-7 14656 Napa Napa Comment
  UCD101987  Sedella pumila W. R. Russell 1967-5-10 s.n. Napa just north of Soscol House restaurant, 2 miles south of Napa State Hospital, State Highway 29. Comment
  CAS-BOT-BC69713  Selaginella wallacei John Thomas Howell 1926-3-21 1737 Napa Old toll road to Mt. St. Helena. Comment
  JEPS103970  Selaginella wallacei Jake Ruygt 1992-7-4 3068 Napa East side of Mt. George (Lair property) Wild Horse Valley. 417 Comment
  UCD164819  Selaginella wallacei Jake Ruygt 2013-6-10 5913 Napa Archer Taylor Preserve, Devil's Canyon. 487 Comment
  CAS-BOT-BC363357  Senecio aronicoides Peter H. Raven 1951-5-20 2857 Napa Hills w. Oakville 548 Comment
  RSA603482  Senecio eurycephalus Joseph A. Ewan 1934-4-30 8826 Napa Near Samuel Springs, above Monticello, on Pope Valley Grade Comment
  RSA155773  Senecio eurycephalus P. H. Raven 1962-5-31 17919 Napa On Lower Lake-Knoxville Road, 1.9 miles south of Lake county line. Comment
  RSA292916  Senecio greenei Reino Alava 1957-5-30 988 Napa 4.2 miles (four and 2 tenths of a mile) north of the junction of Highways 37 and 128, on State Highway 128. Comment
  JEPS106857  Senecio hydrophilus Jake Ruygt 1980-5-9 879 Napa Edgerley Island 0 Comment
  CAS-BOT-BC85825  Sequoia sempervirens Peter H. Raven 1964-5-9 19072 Napa Grove along dirt road 2 miles west of Aetna Springs Comment
  JEPS122692  Sesuvium verrucosum Jake Ruygt 1991-10-23 2842 Napa Napa River, northeast of Slaughterhouse Point. Quad: Cuttings Wharf. Comment
  UCD92839  Setaria viridis Beecher Crampton 1964-8-18 7152 Napa 2 miles north of Calistoga Tubbs Lane, entrance to Old Faithful Geyser. Comment
  UC189153  Sidalcea calycosa C. F. Sonne 1896-4-1 Napa Napa and Napa Junction Napa Junction; Napa, Napa Junction Comment
  UCD167285  Sidalcea calycosa subsp. calycosa Jake Ruygt 1983-5-1 1452 Napa Suscol Ridge near PG and E substation. 22 Comment
  JEPS50095  Sidalcea diploscypha W. L. Jepson 1938-5-22 18822 Napa Snell Valley Comment
  POM118525  Sidalcea diploscypha Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  RSA185857  Sidalcea diploscypha John H. Thomas 1955-5-21 5158 Napa Near State Highway No. 125 and Capell Creek, about 12 miles east of St. Helena 244 Comment
  UC1198396  Sidalcea diploscypha Joseph P. Tracy 1938-6-5 15823 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, head Moore's Creek, Howell Mt. 365 Comment
  HSC16034  Sidalcea diploscypha E. Ferguson 1920-5-15 345 Napa Pope Creek Comment
  JEPS77785  Sidalcea diploscypha Douglas W. James Jr. 1973-5-5 91 Napa not far from the 4-H camp pool (Las Posadas State Forest); Las Posadas State Forest 335 Comment
  JEPS97957  Sidalcea diploscypha K. Andreasen 1998-6-27 273 Napa at crossing of road and Moore Creek just E of 4-H camp Las Posadas State Forest Comment
  UCD116608  Sidalcea diploscypha Richard Beaver 1965-5-1 147 Napa 4.5 miles north of Calistoga, State Highway 29. Comment
  CHSC83385  Sidalcea keckii L. P. Janeway; B. Castro 2002-5-12 7536 Napa Inner North Coast Ranges. South-facing slope along Pocock Creek above and below the dirt road from Devilhead Road. 503 Comment
  JEPS122722  Sidalcea keckii Jake Ruygt 1976-4-25 30 Napa 23.5 miles north of Pope Canyon Road on Berryessa-Knoxville River. Quad: Jericho Valley Comment
  JEPS129044  Sidalcea keckii Jake Ruygt 2016-5-28 6270 Napa Near East Side Easement Road. Lake Berryessa 7.5' Quad. Comment
  RSA537732  Sidalcea keckii Barbara Ertter, Annetta Carter 1989-5-28 8500 Napa Berryessa-Knoxville Road N of Lake Berryessa, 4.7 miles S of Knoxville tunnel, along Eticuera Creek. 305 Comment
Read comments
Apr 29 2008
  UCD160775  Sidalcea keckii Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8655 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 601 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
  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
  JEPS67252  Sidalcea oregana subsp. hydrophila Willis L. Jepson 1893-9-24 14062 Napa at Angwin's Napa River Basin, , Howell Mt. (Howell Mt.) Comment
  UCD164832  Silene antirrhina Jake Ruygt 2012-5-19 5853 Napa South end of Spanish Valley south of hunting shack. 274 Comment
  UC564022  Silene californica R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6673 Napa on Howell Mt.--Middletown Road 10 mi from Pacific Union College; Howell Mt.--Middletown Road Comment
  UCD48861  Silene gallica K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 5 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. Down slope of West Rd., ca. 0.45 as the crow flies miles (2400 ft.) NW of jct with South Decker Canyon Rd. Comment
  CAS-BOT-BC388146  Silene gallica Ira L. Wiggins 1949-4-30 12074 Napa Along old toll road between Calistoga and Middletown, about 1.8 miles n.e. of Callistoga Comment
  CAS-BOT-BC388147  Silene gallica Elsa G. Ruckert 1960-5-1 135 Napa 6495 Dry Creek Road; west of house next to compost heap. 365 Comment
  UCD148757  Silene verecunda Jake Ruygt 1998-6-22 4047 Napa Napa County; Buzzard's Roost. 617 Comment
  SEINET7072564  Sisyrinchium bellum A. G. Vestal 1963-5-12 s.n. Napa Howell Mountain Road. Coordinate datum: NAD 27. UTM Zone 10, 548701mE, 4271193mN. Comment
  UCD118612  Sisyrinchium bellum Jason Saavedra; 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
  UCD138801  Sisyrinchium bellum D. C. Finfrock 1950-4-2 12 Napa 2 miles from St. Helena on road to Pope Valley. Comment
  UCD81442  Sisyrinchium bellum M. Wiesendanger 1927-5-4 s.n. Napa Near Monticello. Comment
  UCR179186  Sisyrinchium bellum L. P. Thibault 1995-5-19 43 Napa Coast Range, edge of Hwy 128 c. 0.5 mi. west of intersection of Lower Chiles Valley Rd. and west of Sage Creek 250 Comment
  RSA195329  Sisyrinchium bellum Gilbert Muth 1967-5-19 700 Napa Milliken Dam. 335 Comment
  UCD13201  Sisyrinchium bellum Charles Martin 1986-4-20 2 Napa California: Napa Co. 3 mi W of Monticello Dam, along hwy 128. Elev. ca. 1000 ft. 304 Comment
  UCD138784  Sisyrinchium bellum Lorraine Clarke 1977-4-16 26 Napa East Bull Canyon 6.4 miles by road SSW of Monticello Dam along Highwya 128, 0.5 miles away from Highway 128. 182 Comment
  CDA29790  Solanum americanum M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 219 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
  CDA33362  Solanum rostratum Robin Breckenridge 2010-9-29 PDR# 5059104 Napa Lake Berryessa. 0 Comment
  OBI9134  Solanum umbelliferum R. L. Hoover 1968-4-11 21 Napa 1 block W of hwy 1 on Palm Ave, Marina Comment
  UCD127080  Solanum xanti Andreas Stohr 1996-4-21 6 Napa along Road 128 near Cold Canyon Preserve. 180 Comment
  UCD149691  Solanum xanti 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
  UCD49295  Solanum xanti E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 4 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Road, N of jct with South Decker Canyon Rd. in a shady gully downslope of road. Comment
  SEINET9340520  Solidago californica Unknown 1993-10-3 11424 Napa Dry bottom of wash w/n Quercus druata/Cupressus macnabiana chaparral. 2.1 m SW along Knoxville-Devilhead Rd. from Knoxville-Berryessa Rd. Comment
  CDA7649  Soliva sessilis R. Barrett 1958-5-22 437 -58 Napa Napa. 0 Comment
  JEPS106873  Soliva sessilis Jake Ruygt 1986-4-19 1711 Napa .4 miles east of Flosden Rd. on American Canyon Rd. 36 Comment
  JEPS18729  Soliva sessilis Willis L. Jepson 1893-5-8 14874 Napa Howell Mt. grade below New Eden; Napa River Basin, Howell Mt. Comment
  UCD144654  Sonchus asper subsp. asper 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. 243 Comment
  UCD159925  Sonchus oleraceus 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
  CAS-BOT-BC374655  Sonchus oleraceus Elsa G. Ruckert 1960-2-20 1 Napa 6495 Dry Creek Road. Field southwest of house 365 Comment
  CAS-BOT-BC235339  Sorghum halepense Peter H. Raven 1950-6-20 2371 Napa In the Napa Range between Conn Valley & Howell Mtn Comment
  UC1198270  Sparganium erectum subsp. stoloniferum Joseph P. Tracy 1938-8-7 16093 Napa between Napa City and Yountville; Napa Valley 30 Comment
  CAS-BOT-BC390280  Spergularia macrotheca var. longistyla Rimo Bacigalupi 1926-3-27 1254 Napa Opposite Myrtledale Geyser 1 1/2 miles north of Calistoga Comment
  RSA0098486  Spergularia macrotheca var. longistyla Alice Eastwood, John Thomas Howell 1938-5-15 5518 Napa Myrtledale Hot Springs. Comment
  CAS-BOT-BC390564  Spergularia rubra Peter H. Raven 1953-10-4 6366 Napa Duttons Landing 3 Comment
  CAS-BOT-BC390565  Spergularia rubra A. A. Heller; H. E. Brown 1902-4-25 6364 Napa Near Napa Comment
  SEINET7073088  Stachys ajugoides var. rigida A. G. Vestal 1963-4-7 s.n. Napa Along the Silverado Trail about 3.8 miles north of Saint Helena. Coordinate datum WGS84/NAD83. (38? deg. 32' 38" North Latitude, -122? deg. 29' 21" West Longitude, UTM Zone 10, 544515mE, 4266093mN. Coordinate datum: NAD27). Comment
  JEPS105353  Stachys albens Dean W. Taylor 1994-10-7 14710 Napa Butts Canyon Road 1.2 mi S junction Snell Valley Road 304 Comment
  CAS-BOT-BC393989  Stellaria nitens John Thomas Howell 1931-4-2 6054 Napa Wooden valley Grade 4 miles east of Napa Comment
  UCD159903  Stephanomeria virgata Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  JEPS122973  Stipa lepida Jake Ruygt 1986-4-26 1729 Napa East of Wragg Canyon Resort, Blue Ridge. Quad: Mt. Vaca. Comment
  CAS-BOT-BC61145  Streptanthus barbiger John Thomas Howell 1941-6-22 16323 Napa Hills southwest of Saint Helena. Comment
  UC1292770  Streptanthus breweri Freed W. Hoffman 1947-9-11 1069 Napa Butts Canyon North Coast Ranges Comment
  UC2016523  Streptanthus breweri Richard Olmstead 1983-6-24 365 Napa On serpentine road crop between Aetna Spa Road and Mendocino County line on Pope Valley - Middletown Road. Ca. 1-2 mile north of Aetna Spa Road. Comment
  JEPS123293  Streptanthus breweri var. breweri David Gowen 2009-6-18 1070 Napa Along pope canyon Road, north of Cedar Roughs, just east of where Pope Creek crosses from north to south of road. Comment
  HSC44001  Streptanthus glandulosus Robert M. Specht 1977-4-19 693 Napa Above drainage running NE from Adams Creek. 518 Comment
  CAS-BOT-BC87151  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-3 6120 Napa Napa Range. Pope Creek Canyon, 8 miles from Monticello. Comment
  CAS-BOT-BC87158  Streptanthus glandulosus subsp. glandulosus David D. Keck 1933-5-29 2370 Napa Pope Creek Bridge, south of Walters Springs. Comment
  CAS-BOT-BC87161  Streptanthus glandulosus subsp. glandulosus J. F. Emmel 1970-4-19 266 Napa Along powerline firebreak, 0.2 air mile southwest of Walter Springs. 320 Comment
  UC517969  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-3 6120 Napa Pope Creek Canyon Napa Range Comment
  UCD116013  Streptanthus glandulosus subsp. glandulosus Robert E. Preston 1988-4-10 578 Napa 0.4 mile SW of the confluence of Putah and Hunting Creeks. 268 Comment
  UCD116018  Streptanthus glandulosus subsp. glandulosus Bill Wengeler 1995-4-30 s.n. Napa 2 miles north of Highway 128 along Knoxville Road. 183 Comment
  JEPS96908  Streptanthus hesperidis Dean W. Taylor 1998-6-18 16670 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley 289 Comment
  UCD170467  Streptanthus hesperidis Daniel Potter; Ninh Khuu 2016-6-18 896 Napa Above upper Zim Zim Creek drainage east of Knoxville-Devihlead Road, just north and east of Knoxville Wildlife Area boundary. 557 Comment
  UCD170356  Streptanthus morrisonii Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 855 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 468 Comment
  JEPS106597  Streptanthus tortuosus var. tortuosus Jake Ruygt 1984-3-31 1519 Napa Devil's Canyon 554 Comment
  UC1292728  Streptanthus vimineus Freed W. Hoffman 1948-6-6 2329 Napa St. Helena Reservoir, Spring Mt. road Comment
  UCD119099  Styrax redivivus K. Esau; S. Keeton and E. Hyde 1938-5-1 s.n. Napa location unknown. Comment
  UCD110459  Symphoricarpos mollis Christopher Mallek 2008-1 KX2- 16 Napa Knoxville. 593 Comment
  CAS-BOT-BC97739  Symphyotrichum chilense Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  UCD161580  Symphyotrichum chilense Jake Ruygt 2007-5-22 5202 Napa south side of Jameson Canyon Road, about 0.3 miles west of 'Creston. 88 Comment
  CAS-BOT-BC98079  Symphyotrichum lentum John Thomas Howell 1932-10-8 10797 Napa 7 miles south of Napa Comment
  JEPS104575  Symphyotrichum spathulatum Jake Ruygt 1981-8-23 1089 Napa 1 mile south of Yountville on HWY 29 22 Comment
  JEPS122694  Symphyotrichum spathulatum Jake Ruygt 1981-6-18 1054 Napa 0.3 miles east of Flosden Road in American Canyon Road. Quad: Cordelia. Comment
  UC87074  Symphyotrichum spathulatum T. S. Brandegee 1888-9-1 Napa Howell Mountain Comment
  JEPS104522  Symphyotrichum subulatum Jake Ruygt 1991-9-21 2841 Napa Kennedy Park, north of the boatramp 1 Comment
  UC672248  Symphyotrichum subulatum Herbert L. Mason 1923-10-6 768 Napa Suisun Marsh, along railroad Suisun Marsh Comment
  UCD18149  Taeniatherum caput-medusae Jean Shepard; with Plant Biology 102 Class 2000-4-29 205 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCD19337  Taeniatherum caput-medusae M. A. Bibbo; E. Dean 2001-7-6 29 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, just south of powerline, ca. 0.5 air miles from jct of W and E roads, on top of ridge. 259 Comment
  JEPS122772  Tamarix parviflora Jake Ruygt 2011-5-7 5772 Napa Pope Canyon Road, Pope Creek, west of arm of Lake Berryessa. Quad: Walter Springs. Comment
  JEPS129150  Taraxacum officinale Jake Ruygt 1978-4-9 270 Napa 2.1 miles NW of Dealy Lane on Henry Road. Napa 7.5' Quad. Comment
  UC107641  Taraxia ovata Mrs. K. Curran Sept. 1888 Napa Howell Mountain Comment
  JEPS129144  Tetragonia tetragonoides Jake Ruygt 1980-3-27 819 Napa Napa Valley Garbage disposal site. Cuttings Wharf 7.5' Quad. Comment
  UC162793  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1902-5-21 1586 Napa 3-4 mi Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 304 Comment
  UC9704  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-5-1 Napa Upper Conn Valley Napa River Basin Comment
  CHSC108734  Thermopsis californica var. californica B. Castro; L. P. Janeway 2002-5-12 1360 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 505 Comment
  UC1197481  Thermopsis californica var. californica Joseph P. Tracy 1899-6-19 399 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD16029  Thermopsis californica var. californica N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 17 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 3-4.5 dm tall, flowers yellow. Comment
  UC1537026  Thermopsis macrophylla var. macrophylla Gordon H. True Jr. 1938-4-13 864 Napa roadside near Oak Knoll Comment
  UC74948  Thermopsis macrophylla var. macrophylla C. F. Baker 1903-5-8 3081 Napa Knoxville Comment
Read comments
May 9 2007
  CAS-BOT-BC66493  Thysanocarpus curvipes David D. Keck 1931-4-2 1036 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  CAS-BOT-BC66515  Thysanocarpus curvipes Paul F. Covel 1940-4-28 1706 Napa Pac-Union College-Pope Valley Road. 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
  UCD149705  Thysanocarpus curvipes Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Northeast of St.Helena, along Sanitarium Road, east of intersection with Glass Mountain Road, vineyard conversion. Partridge Vineyard property. 95 Comment
  CAS-BOT-BC66504  Thysanocarpus curvipes Peter H. Raven 1953-5-2 5397 Napa Summit of hills due east of Yountville. 304 Comment
  JEPS54165  Thysanocarpus curvipes Willis L. Jepson 1893-4-28 30 d Napa plateau n Mt. George (Upland meadows); Napa River Basin, n of Mt. George Comment
  UC857529  Thysanocarpus curvipes Milo S. Baker 1940-4-23 9552 Napa on Pope Creek 7 mi from Monticello; on Pope Creek Comment
  UCD14242  Thysanocarpus curvipes M. A. LeFevre 1974-4-6 53 -4e Napa Along Highway 128 at Monicello Dam on Lake Berryessa. 304 Comment
  OBI77666  Thysanocarpus curvipes subsp. elegans R. L. Hoover 1968-4-20 60 Napa In field NE of jctn of Aetna Springs, Pope Valley, and Butts Cyn rds Comment
  RSA233099  Thysanocarpus curvipes var. curvipes John H. Thomas 1968-4-4 14274 Napa About 3 miles N of Calistoga on road to Lakeport. Comment
  CAS-BOT-BC67308  Thysanocarpus radians David D. Keck 1931-4-2 1046 Napa 4 miles south of Monticello, eastern Napa county. Comment
  RSA0049961  Thysanocarpus radians D. D. Keck 1931-4-2 1046 Napa 4 miles S. of Monticello, eastern Napa County. Comment
  UCD124645  Tonella tenella G. F. Hrusa; R. Cole, D. Anderson 1995-3-26 12024 Napa On N slope immediately below field house, Quail Ridge Reserve. 370 Comment
  RSA115583  Tonella tenella J. M. Tucker 1957-3-22 3287 Napa Beside Hwy 37, 0.4 mile southwest of jct with road to Monticello Dam and Winters. Comment
  LA5971  Torreya californica J. M. Tucker; 1954-4-22 2699 Napa Mt. St. Helena, beside Highway 29, E side of mountain, 1 mi N of summit of road Comment
  SEINET3073146 Image available Torreya californica Royal D. Suttkus 1967-6-26 67- 30 -22 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  HSC95661  Toxicodendron diversilobum Jonathon M. Irvine 1977-4-16 111 Napa Along Hwy. 128, 6.4 mi. SSW of Monticello Dam 183 Comment
  JEPS63927  Toxicodendron diversilobum W. L. Jepson 1915-4-22 6231 Napa hills east St. Helena Comment
  UCD169872  Toxicoscordion fontanum Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 807 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 433 Comment
  UCD139849  Toxicoscordion fremontii R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  UCD162096  Toxicoscordion fremontii Dylan O. Burge 2014-3-15 1494 Napa Mount Saint Helena. 760 Comment
  UCD18360  Trichostema lanceolatum L. S. Kimsey 1997-8-17 s.n. Napa Pope Valley, 0.25 miles south of Aetna Springs. Comment
  JEPS112619  Trichostema laxum Jake Ruygt 1986-6-28 1846 Napa Mtn. Millhouse Girlscout Camp, Mt. St. Helena 499 Comment
  UC615138  Trichostema laxum Beryl O. Schreiber 1936-9-20 2350 Napa 5 mi S of Reiff 762 Comment
  UCD63859  Trichostema laxum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  UCR200670  Trichostema laxum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville, Berryessa-Knoxville Road, UC MacLaughlin Reserve, Research Hill 625 Comment
Read comments
Mar 8 2013
  UCD166646  Trichostema ruygtii Jake Ruygt 1998-8-15 4105 Napa Atlas Peak Road, Mead Ranch. 487 Comment
  UC1925907  Trifolium Ethel Crum 1931-1 1047 Napa Four miles from Yountville. Comment
  UC137702  Trifolium albopurpureum C. F. Baker 1903-4-20 2625 Napa Mt. St. Helena, Napa Co. Comment
  UCD35560  Trifolium albopurpureum Beecher Crampton 1958-4-22 4738 Napa Markley Canyon, Vaca Mountains. Comment
  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
  CHSC79166  Trifolium albopurpureum var. dichotomum Beecher Crampton 1967-5-11 7918 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  JEPS65847  Trifolium albopurpureum var. dichotomum Willis L. Jepson 1894-5-1 13637 Napa Conn Valley Napa River Basin Comment
  JEPS65850  Trifolium albopurpureum var. dichotomum W. L. Jepson 1915-4-23 6243 Napa Conn Valley Comment
  UC162842  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1902-5-15 1456 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 457 Comment
  JEPS106692  Trifolium albopurpureum var. olivaceum Jake Ruygt 1996-4-12 3602 Napa Blue Ridge, north of Monticello Dam. 609 Comment
  JEPS106694  Trifolium barbigerum var. barbigerum Jake Ruygt 1981-4-27 1007 Napa Milton Rd. across from Maury's Yachts 1 Comment
  UCD148791  Trifolium bifidum Ellen Dean; Diana Hickson 2014-4-29 8099 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  JEPS106695  Trifolium bifidum var. bifidum Jake Ruygt 1996-4-12 3599 Napa Blue Ridge, north of Monticello Dam. 524 Comment
  JEPS105673  Trifolium bifidum var. decipiens L. P. Janeway, B. Castro 2002-5-12 7535 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road 506 Comment
  JEPS106830  Trifolium campestre Jake Ruygt 1996-5-13 3671 Napa Wontrop Wildlife Santuary, Hardin Road, Pope Valley 310 Comment
  JEPS65798  Trifolium ciliolatum W. L. Jepson 1924-4-27 10368 Napa Toll House Mt. St. Helena Comment
  UCD108300  Trifolium ciliolatum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  UCD108358  Trifolium depauperatum var. amplectens D. C. Finfrock 1950-4-6 21 Napa 14 miles from Monticello, Pope Valley. Comment
  UCD117477  Trifolium depauperatum var. depauperatum Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. Right next to road. Ca. 0.1 mile northeast from fire station. On north side of road. 518 Comment
  JEPS95202  Trifolium depauperatum var. hydrophilum Jake Ruygt 1982-4-7 1173 Napa between Rocktram and Hwy 29 (221) Suscol Plain Comment
  UCD35296  Trifolium dichotomum Beecher Crampton 1955-4-7 2428 Napa 7.8 miles north of Monticello. Comment
  CHSC10583  Trifolium fucatum Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  UCD35289  Trifolium fucatum Beecher Crampton 1955-4-7 2435 Napa 7.8 miles north of Monticello. Comment
  POM126204  Trifolium fucatum var. fucatum C. F. Sonne 1887-04 1535 Napa Napa Junction Comment
  RSA617194  Trifolium glomeratum A. C. Sanders 1996-6-1 18194 Napa Southeast edge of town at Skyline Park, east end of Imola Road East. 90 Comment
  UCD38821  Trifolium microcephalum Beecher Crampton 1958-4-29 4757 Napa Capell Valley. Comment
  JEPS106711  Trifolium microdon Jake Ruygt 1982-4-29 1209 Napa Suscol Plain between Kaiser Steel and HWY 29 (221) 2 Comment
  UCD109164  Trifolium microdon K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  UCD116971  Trifolium oliganthum Jillian Howard; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  JEPS126078  Trifolium repens Jake Ruygt 1978-9-19 421 Napa Napa River north of Trancas St. Napa 7.5' Quad. Comment
  JEPS129145  Trifolium subterraneum Jake Ruygt 1978-4-30 283 Napa 0.1 mile south of Oak Knoll Avenue on Silverado Trail. Napa 7.5' Qua. Comment
  RSA424732  Trifolium subterraneum Aaron Liston, M. Blumler, B. Grummer 1987-4-25 660 -2 Napa Bothe Napa Valley State Park. 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
  UCD48989  Trifolium subterraneum K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 20 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. E-facing slope on disturbed road cut at the top of South Decker Canyon Rd. just below jct with Decker Ridge Rd. 350 Comment
  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
  UCD109408  Trifolium variegatum W. L. Jepson 1915-4-23 6235 Napa St. Helena, hills east. Comment
  UCD35746  Trifolium variegatum Beecher Crampton 1953-3-24 1033 Napa Eight miles north of Napa along the road to Soda Springs. Comment
  UCD83432  Trifolium variegatum Jake Ruygt 1991-5-11 2657 Napa Aetna Springs, 0.5 mi W of golf course. 310 Comment
  JEPS106719  Trifolium variegatum var. major Jake Ruygt 1982-5-8 1230 Napa north side of American Canyon 85 Comment
  JEPS4406  Trifolium variegatum var. melananthum W. L. Jepson 1893-4-24 13708 Napa hills e St. Helena (to Conn Valley Rd); Napa River Basin Comment
  JEPS4395  Trifolium variegatum var. melananthum W. L. Jepson 1893-4-27 13706 Napa Yountville; Napa Valley Comment
Read comments
Feb 1 2008
  CDA10893  Trifolium willdenovii G. F. Hrusa, M. Rejmanek 1993-5-15 10988 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CHSC79317  Trifolium willdenovii Beecher Crampton 1970-4-15 8561 Napa East slope of Wragg Canyon. Comment
  JEPS4160  Trifolium willdenovii W. L. Jepson 1921-5-6 9183 Napa Calistoga 109 Comment
  JEPS4379  Trifolium willdenovii Willis L. Jepson 1893-4-27 13674 Napa near Yountville; Napa River Basin Comment
  UC1300876  Trifolium willdenovii Helen K. Sharsmith 1963-3-17 5230 Napa along Silverado Trail (hillsides) Comment
  JEPS106823  Trifolium wormskioldii Jake Ruygt 1999-6-8 4183 Napa Fagan Slough Comment
  CAS-BOT-BC520828  Trillium albidum J. D. Freeman; R. F. Freeman 1967-5-6 573 Napa 0.6 mi. W of Cal. Hwy. 29, just SW of Calistoga Comment
  UCD139895  Trillium albidum J. D. Freeman; R. F. Freeman 1967-5-6 s.n. Napa near Diamond Mt. Ck. Below Diamond Mt. Rd., 0.6 mile W of Cal. Hwy 29, just SW of Calistoga. Comment
  CAS-BOT-BC521019  Trillium chloropetalum var. giganteum Alice Eastwood 1918-5-1 6859 Napa Mt St. Helena Comment
  JEPS74862  Triphysaria T. I. and F. M. Chuang 1975-5-4 7502 Napa on highway 29, 4.2 mi s Napa Comment
  UCD18179  Triphysaria eriantha 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
  JEPS10403  Triphysaria eriantha subsp. eriantha W. W. Mott 1915-4-26 2 Napa hills w Napa; hills w Napa 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
  JEPS20135  Triphysaria eriantha subsp. eriantha W. W. Mott 1915-4-25 Napa Napa Comment
  JEPS3983  Triphysaria pusilla W. L. Jepson 1910-3-28 4027 Napa Rebecca Ranch grade sw Calistoga; sw of Calistoga Comment
  CHSC84576  Triphysaria versicolor subsp. faucibarbata John Dittes 2003-4-5 2003 -10 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
  UC75149  Triphysaria versicolor subsp. faucibarbata C. F. Baker 1900-4-19 2632 Napa Calistoga Comment
  JEPS17095  Triphysaria versicolor subsp. faucibarbata Rimo Bacigalupi with John Dawson 1955-4-25 4840 Napa 4 mi s Napa State Hospital [Imola] (field 1/2 mi n of the Napa Y, State Highway No. 29 [junction of Jameson Canyon Road and State 29]); junction of Jameson Canyon road and State 29 19 Comment
  UC194282  Triphysaria versicolor subsp. faucibarbata C. F. Sonne April 1895 Napa Napa Valley Comment
  UC1334863  Triphysaria versicolor subsp. versicolor L. D. Thurman 1965-6-5 711 Napa on Silvarado trail 5.5 mi n Napa; on Silverado Trail Comment
  UC3281  Triteleia hyacinthina Willis L. Jepson 1884-5-4 Napa Little Oak Comment
  IRVC12857  Triteleia hyacinthina var. hyacinthina A. French 1967-5-14 34 Napa Highway 29; 3 mi. S of Streblow Drive Comment
  HSC81870  Triteleia laxa Thomas W. Nelson, Jane P. Nelson 1980-5-3 5138 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  JEPS110925  Triteleia lugens Jake Ruygt 1998-5-18 3975 Napa north of Mt. Vaca 822 Comment
  CDA30787  Triteleia peduncularis V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  JEPS110924  Triteleia peduncularis Jake Ruygt 1996-6-15 3744 Napa White Cliff Springs, above Soda Valley (Soda Spring) 320 Comment
  UCD148740  Triteleia peduncularis Jake Ruygt 1980-6-7 925 Napa Napa County; 2.5 miles south of Berryessa Knoxville Rd. on Devilhead Rd. 432 Comment
  HSC24895  Umbellularia californica J. P. Smith, J. O. Sawyer 1972-2-20 5069 Napa Hwy. 128 W of Lake Hennessey Comment
  UCD38864  Umbellularia californica Beecher Crampton 1962-10-9 6705 Napa 5 miles north Conn. Reservoir. (Lake Hennessey) Lower Chiles Valley Road. Comment
  CAS-BOT-BC404186  Urtica dioica subsp. holosericea Dennis W. Woodland 1969-8-6 1312 Napa 100 yards south of junction and bridge of Pratt Ave. and Silverado Drive; 1 mile east of St. Helena and highway 29; 1/2 mile south of Anguin Road Comment
  CAS-BOT-BC404187  Urtica dioica subsp. holosericea Dennis W. Woodland 1969-8-6 1313 Napa About 100 yards east of bridge a junction of Petrefied [Petrified] Forest Road and highway 128 1 mile north of Calistora [Calistoga] 68 Comment
  UC9794  Vancouveria planipetala Willis L. Jepson 1894-5-1 Napa near Calistoga; Napa River Basin, near Calistoga Comment
  CLARK-A1528-4322  Verbascum blattaria John C. Roos 1938-10-22 265 Napa Comment
  JEPS7874  Veronica arvensis H. P. Chandler 1907-5-12 24 Napa St. Helena, White Sulphur Springs White Sulphur Springs; St. Helena, White Sulphur Springs Comment
  JEPS126126  Vicia americana Jake Ruygt 1999-5-18 4164 Napa Skyline Park, Imola Avenue, Napa. Mount George 7.5' Qua. 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
  UCD170735  Vicia villosa 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 135 Comment
  JEPS85034  Vicia villosa subsp. varia Larry Heckard and Mary Ashton 1969-5-3 2204 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment