Search Results — 2000 specimen records retrieved (1471 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SEINET3221127 Image available Abies Royal D. Suttkus 1967-6-26 67- 30 -9 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UC370333  Abutilon theophrasti Mrs. U. C. Jolley Sep 1928 Napa Napa Comment
  UCD116169  Abutilon theophrasti John N. Fiske 1957-9-13 s.n. Napa location unknown. Comment
  UC18115  Acer macrophyllum W. H. Brewer 1862-8-4 1316 Napa at Camp 84 Rag Canyon; Rag Canyon near Putah Creek, Napa Co., Camp 84 Comment
  UC1071659  Acer negundo var. arizonicum A. Lewis May 1932 113 Napa Wragg Canyon Napa Quad., Wragg Canyon 182 Comment
  JEPS127876  Achillea millefolium Adam C. Schneider with Dick O'Donnell 2013-5-26 214 Napa About 200 meters west of Butts Canyon Rd. Comment
  UCD128288  Achillea millefolium Richard Beaver 1965-5-1 150 Napa on slope with northeast exposure; 10 miles north of junction of Highway 121 and Highway 128. 182 Comment
  CAS-BOT-BC211901  Achnatherum coronatum G. L. Stebbins 1966-5-28 6426 Napa Markley Canyon, along State Highway 128, 3.5 miles west of Berryessa Dam 152 Comment
  UCD50281  Achnatherum coronatum Beecher Crampton 1959-10-6 s.n. Napa Along State Hwy. 128, Markley Canyon, Vaca Mountains, 2.7 miles southwest of Monticello Dam, Napa County. Comment
  CAS-BOT-BC29759  Achyrachaena mollis Peter H. Raven 1950-5-6 2021 Napa near Old Faithful Geyser, N of Calistoga 182 Comment
  RSA786930  Achyrachaena mollis Carrie A. Herd 1982-5-9 100 Napa Sage Canyon Road, Con Dam area Comment
  UCD18081  Achyrachaena mollis Ellen Dean; with PLB 102 class 2000-4-22 636 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
  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
  JEPS129159  Acmispon brachycarpus Jake Ruygt 2015-3-28 6053 Napa Snell Peak, Fernandez, Land Trust. Aetna Springs 7.5' Quad. Comment
  UCD160738  Acmispon brachycarpus Ellen Dean 2015-5-23 8790 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
  UCD170214  Acmispon brachycarpus Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 743 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 357 Comment
  UCD81830  Acmispon brachycarpus Ellen Dean 2009-4-24 5460 Napa Property at 600 Petrified Forest Road. 170 Comment
  SEINET5327425  Acmispon brachycarpus M. J. Williams 1967-5-7 s.n. Napa Howell Mtn. Between St. Helena and Angwin 198 Comment
  UCD35291  Acmispon brachycarpus Beecher Crampton 1955-4-7 2433 Napa Napa County; 7.8 miles north of Monticello. Comment
  UCD73428  Acmispon glaber var. glaber Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCD75715  Acmispon grandiflorus var. grandiflorus Jake Ruygt 1989-5-20 2339 Napa About 1 mile north of Mt. Vaca. 804 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
  UCD48946  Acmispon parviflorus Kook-Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 11 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft) 'as the crow' flies NW of jct with South Decker Canyon Rd.; along roadside. 243 Comment
  UCD15255  Acmispon wrangelianus Kathryn Specht 1984-4-28 7 Napa 5 miles east of Coyote Knoll off of Knoxville road. 121 Comment
  UC924242  Adenocaulon bicolor H. S. Reed 1942-8-2 Napa Mount Veeder 609 Comment
  HSC45350  Adenostoma fasciculatum R. York 1978-4-8 116 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  SEINET3077393 Image available Adenostoma fasciculatum Royal D. Suttkus 1967-6-26 67- 30 -38 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UC12016  Adenostoma fasciculatum Edw. L. Greene 1891-7-10 Napa St. Helena Comment
  UCD112610  Adenostoma fasciculatum L. Flaherty 1991-4-4 s.n. Napa Moskowite Corner. Comment
  UCD48357  Adiantum jordanii C. Matthews; T. Petrie, C. Little, and K. Glover 2001-4-14 6 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello dam; along Decker Bay Trail, 45 ft. NW from junction with West Rd. 152 Comment
  UCD167151  Aegilops triuncialis Jake Ruygt 2015-5-9 6094 Napa Missimer - Snell Valley Preserve. 174 Comment
  RSA60347  Aesculus californica G. R. Campbell 1948-6-18 660 Napa 10 miles south of Montecello. Comment
  JEPS110796  Agastache urticifolia Jake Ruygt 1989-6-17 2365 Napa Van Ness Canyon 585 Comment
  JEPS104514  Agoseris grandiflora Jake Ruygt 1982-5-1 1303 Napa .3 miles north of Chimney Rock Golf Cour se on Silverado Trail 20 Comment
  CAS-BOT-BC29639  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1938-6-6 15842 Napa Napa Valley, between Napa City and Yountville 30 Comment
  UCD17974  Agoseris heterophylla Ellen Dean; Kate Mawdsley 2001-4-9 693 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UCD63193  Agoseris heterophylla Jake Ruygt 1980-4-22 840 Napa Napa Valley, Pope Canyon Rd. 0.9 miles west of Walter Springs bridge (old). 195 Comment
  POM203304  Agoseris heterophylla John T. Howell 1931-4-3 6111 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  JEPS36237  Agoseris heterophylla var. heterophylla W. L. Jepson 1938-5-18 18798 Napa slope above St. Helena Sanitarium; Howell Mts. Comment
  JEPS45601  Agrimonia gryposepala Alice King Jul 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  UC72587  Agrostemma githago Miss M. Alice King Napa St. Helena Comment
  CAS-BOT-BC127402  Agrostis elliottiana J. P. Tracy 1902-5-19 1552 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles east of Angwin's. 518 Comment
  UCD51702  Agrostis elliottiana Joseph P. Tracy 1950-5-23 18671 Napa La Jota Plateau, on hills at head of Moore's Creek, 3-4 miles east of Angwin's, Howell Mountain. 518 Comment
  CAS-BOT-BC127141  Agrostis exarata Betty H. Johnson 1958-6-20 648 Napa Near Mt. Mill House, 6.4 miles southwest of Middletown. Comment
  UC1153788  Agrostis exarata Beecher Crampton 1957-6-4 4105 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  CAS-BOT-BC139671  Agrostis gigantea John Thomas Howell 1943-6-20 18241 Napa Hills southwest of Saint Helena. Comment
  CAS-BOT-BC139730  Agrostis gigantea Peter H. Raven 1951-6-26 3049 Napa East of Napa on Monticello Road. 60 Comment
  POM126099  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Calistoga Hot Springs 91 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
  CAS-BOT-BC138820  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Meadow, Mrytledale Hot Springs, 2 miles north of Calistoga. Comment
  RSA92953  Agrostis stolonifera P. H. Raven 1951-6-26 3049 Napa E. of Napa on Monticello Rd. 61 Comment
  JEPS76078  Aira elegantissima W. L. Jepson 1938-5-18 18801 Napa slope above St. Helena Sanitarium (Howell Mountain); Howell Mountain Comment
  JEPS76079  Aira elegantissima W. L. Jepson 1938-5-18 18801 Napa slope above St. Helena Sanitarium (Howell Mountain); Howell Mountain Comment
  RSA123594  Allium amplectens Milo S. Baker 1932-4-26 5963 Napa Monticello Road near Pope Valley. Comment
  UC1198196  Allium amplectens Joseph P. Tracy 1933-6-2 12473 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 396 Comment
  CAS-BOT-BC461091  Allium amplectens David D. Keck 1933-5-29 2365 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC466762  Allium cratericola David D. Keck 1931-4-4 1090 Napa The Crater Country, 3.5 miles SE. from summit of Mt. St. Helena, northern Napa County Comment
  JEPS47555  Allium falcifolium W. L. Jepson 1938-5-22 18816 Napa Limekiln Canyon Pope Valleym, Limekiln Canyon Comment
  UCD48252  Allium falcifolium R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 15 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCR43106  Allium falcifolium L. F. LaPre 1986-5-6 s.n. Napa Inner North Coast Ranges, Cedar Creek, 3.5 mi SW of Knoxville & c. 0.5 mi (air) west of Devilhead Road at the junction of the creek & a dirt road 550 Comment
  CAS-BOT-BC469021  Allium falcifolium Clara A. Hunt 1923-1-1 s.n. Napa Mts. near St. Helena Comment
  CAS-BOT-BC469030  Allium falcifolium Willis L. Jepson 1893-5-1 43 Napa Upper Conn Valley; Napa River Basin Comment
  RSA91736  Allium falcifolium Beecher Crampton 1953-5-19 1302 Napa State highway 128, 11 miles east of Rutherford. Comment
  UC1299308  Allium falcifolium Freed W. Hoffman 1947-3-20 870 Napa Hunting Creek, Napa-Lake county line North Coast Ranges, Hunting Creek Comment
  UC629766  Allium falcifolium John Morrison, Annetta Carter 1938-4-24 1355 Napa on road from Monticello to Lower Lake 0.6 mi w Knoxville Comment
  UCD161515  Allium falcifolium Jake Ruygt 1990-4-8 2472 Napa White Creek, Wild Horse Valley Ranch. 408 Comment
  UCD138528  Allium fimbriatum Robert E. Preston 1988-4-10 577 Napa 0.4 mile SW of the confluence of Putah and Hunting Creeks. 268 Comment
  SEINET195017  Allium fimbriatum A. A. Heller 1941-5-3 16127 Napa Near summit of first ridge W of Knoxville 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
  UCD148575  Allium neapolitanum Jake Ruygt 2006-3-20 4959 Napa Napa County; St. Helena; west side of Hwy 29, about 0.25 mile north of Whitehall Lane. 56 Comment
  UCD48746  Allium serra Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along Decker Ridge Rd. just S of jct with S. Decker Canyon Rd. 365 Comment
  CAS-BOT-BC475563  Allium serra Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5341 Napa North side of Pope Creek between Samuels Springs and Walters Springs. 243 Comment
  CAS-BOT-BC475564  Allium serra John Thomas Howell 1931-4-2 6103 Napa 4 miles from Monticello on Wooden Valley Road. Comment
  UCD16031  Allium serra N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 24 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 2-2.5 dm tall, flowers light pink to lavendar. Comment
  UCD23374  Allium serra Eva Kurth 1977-4-24 193 Napa Berryessa Knoxville Road 15.8 miles north of junction with Pope Canyon Road. Comment
  JEPS56392  Allium unifolium Willis L. Jepson 1894-5-1 20986 Napa Conn Valley Napa Range, Conn Valley Comment
  UCD21722  Allium unifolium Robin McMaster 1972-4-25 82 Napa Pope Valley. Comment
Read comments
Dec 18 2011
  SEINET1782449  Allocarya stricta Edward L. Greene 1892-4-20 s.n. Napa Calistoga. [County not given on label.] Comment
  UC23568  Allophyllum divaricatum Willis L. Jepson 1893-1 Napa Angwin's meadows Howell Mt.; Napa R. Basin, , Angwin's meadows Comment
  JEPS84573  Allophyllum divaricatum John W. Willoughby 1977-4-20 2127 Napa below and just to s. Mt. Vaca (w. side of Blue Ridge); Vaca Mts. 609 Comment
  JEPS101646  Allophyllum gilioides subsp. violaceum Dean W. Taylor 1998-6-23 16700 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  CAS-BOT-BC170678  Alnus rhombifolia Herman Knoche 1919-11-22 3068 Napa Laguna Resort. Napa Comment
  JEPS129105  Alopecurus pratensis Jake Ruygt 2016-4-12 6186 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  UCD148568  Amaranthus blitoides Jake Ruygt 2001-10-22 4347 Napa Napa County; Dry Creek at Solano Avenue. 28 Comment
  UCD47826  Amaranthus blitoides Mark Bibbo; Laura Wynholds 2002-7-20 64 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  UCD148569  Amaranthus hybridus Jake Ruygt 2001-10-22 4349 Napa Napa County; Conn Creek at Silverado Trail. 54 Comment
  CAS-BOT-BC45030  Ambrosia psilostachya David D. Keck 1933-11-10 2723 Napa 5 mi S of Napa, along highway to Vallejo Comment
  UCD39199  Amelanchier alnifolia Beecher Crampton 1953-5-19 1306 Napa 12 miles east of Rutherford, Highway 128. Comment
Read comments
Jun 12 2012
  CAS-BOT-BC136741  Amelanchier utahensis 1908-7-22 s.n. Napa 5 miles E. of Toll House, Mt. St. Helena Comment
  CDA12096  Amelanchier utahensis G. F. Hrusa 1989-4-24 5931 Napa North Coast Biodiversity Arena; Edge of Pope Creek where Pope Creek Rd. crosses creek. Comment
  JEPS45495  Amelanchier utahensis Willis L. Jepson 1893-5-8 32 b Napa Howell Mt.; Napa River Basin Comment
  JEPS16025  Ammi majus W. L. Jepson 1917-8-16 7435 Napa Napa Valley, Union Station 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
  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
  UCD47933  Amsinckia intermedia J. Waggoner; E. Anderson, L. Lina, A. Miles, and R. Wenk 2000-4-22 21 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on east side of dirt road. 390 Comment
  UCD13131  Amsinckia intermedia Etienne and Laurie Oleksiewicz 1981-4-18 9 Napa Napa CO. On Knoxville Rd., 8.9 miles north of Pope Canyon Rd. Comment
  UCD170350  Amsinckia lunaris Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 849 Napa Knoxville Wildlife Area, along Nevada Creek. 452 Comment
  UCD74365  Amsinckia lunaris Jake Ruygt 1977-3-6 137 Napa Low elevation east of Basalt Rock Co. 213 Comment
  JEPS126130  Amsinckia lycopsoides Jake Ruygt 2010-3-13 5488 z Napa Silverado Trail at Zinfandel Lane. Rutherford 7.5' Qua. 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
  RSA0089964  Amsinckia retrorsa Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD49107  Anagallis arvensis S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 3 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  UCD49110  Anagallis arvensis L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 20 Napa SW end of Lake Berryessa, Quail Ridge Reserve, on slope N of North Decker Canyon Rd., 70-100 ft. N of stream. 182 Comment
  HSC44003  Ancistrocarphus filagineus Robert M. Specht 1977-4-13 648 Napa 524 Comment
  UC165851  Ancistrocarphus filagineus J. P. Tracy 1902-5-15 1457 Napa 3 to 4 mi e, (head of Moore's Creek) Angwin's; Howell Mt., Moore's Creek 457 Comment
  JEPS40581  Ancistrocarphus filagineus W. L. Jepson 1915-4-23 6264 Napa hills Chiles Creek Comment
  JEPS110887  Anemone oregana Jake Ruygt 1997-5-13 3851 Napa Monticello Road at north entrance to Leoma Lakes 385 Comment
  UC648280  Angelica californica Alice Eastwood, John Thomas Howell 1939-6-11 7428 Napa w of Calistoga Comment
  UCD55443  Angelica californica Beecher Crampton 1961-6-12 5907 Napa 8 miles northeast Napa along State Hwy. 37, Howell Mountains. Comment
  JEPS14087  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  UC106458  Angelica tomentosa T. S. Brandegee Aug. 1888 Napa Howell Mountain Comment
  SBBG8596  Anisocarpus madioides H. and M. Dearing 1939-5-1 3241 Napa St Helena Comment
  CHSC102270  Anthemis cotula Lowell Ahart 2009-10-12 16415 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  SEINET3918488  Anthoxanthum odoratum Beecher Crampton 1953-6-2 1434 Napa 8 miles south of Middletown, small meadow along Highway 53.; 0 Comment
  JEPS14068  Anthriscus caucalis W. L. Jepson 1936-6-2 17603 Napa e of St. Helena (thickets on bank of Napa River, near bridge on road to St. Helena Sanitarium); Napa River Comment
  JEPS14069  Anthriscus caucalis W. L. Jepson 1936-6-2 17603 Napa e of St. Helena (thickets on bank of Napa River, near bridge on road to St. Helena Sanitarium); Napa River Comment
  SD120895  Antirrhinum cornutum David M. Thompson 1983-6-17 336 Napa Just N of Pope Creekat end of Barnett Road, past vineyards, flanking streamlet 200 Comment
  JEPS110620  Antirrhinum kelloggii Jake Ruygt 1980-5-13 881 Napa 3.0 miles south of Oakville Grade on Dry Creek Rd. 152 Comment
  RSA132844  Antirrhinum kelloggii John H. Thomas 1958-4-19 7123 Napa About 2 miles SW of Oakville. 152 Comment
  UCR146404  Antirrhinum vexillocalyculatum subsp. breweri Beecher Crampton 1971-10-26 8767 Napa Inner North Coast Ranges, 4.7 miles east of Conn Reservoir Dam on State Hwy. 128 244 Comment
  JEPS83371  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-15 332 Napa 0.1 to 0.3 mi e Hwy 128 jct with rd to Spanish Flat Resort on Lake Berryessa (on n side of road to Spanish Flat Resort); Capell Valley Quad. (7.5', 1968) 198 Comment
  UC178334  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Katharine Brandegee 1910-7-26 Napa Aetna Springs Comment
  CAS-BOT-BC237919  Antirrhinum virga T. S. Brandegee 1883-8-1 s.n. Napa Hills near Calistoga Comment
  UCD164753  Antirrhinum virga Jake Ruygt 2014-6-7 Napa Livermore Ranch, Montesol. 663 Comment
  UCD149640  Apiastrum angustifolium Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  UCD36935  Apiastrum angustifolium Beecher Crampton 1956-5-25 3451 Napa Vaca Mountains, Markley Canyon, along new road from Monticello Dam to Napa. Comment
  JEPS16056  Apiastrum angustifolium W. L. Jepson 1896-6-2 14208 Napa Napa Range, Conn Valley Conn Valley; Napa Range, Conn Valley Comment
  UC449669  Apocynum androsaemifolium unknown 1910-7-27 Napa near Angwin Angwin Comment
  JEPS110885  Aquilegia formosa Jake Ruygt 1976-5-14 80 Napa 2.5 miles west of Mt. Veeder Rd. on Redwood Rd. 237 Comment
  UCD74381  Arabis modesta Jake Ruygt 1987-2-28 1923 Napa Monticello Dam. 164 Comment
  JEPS83480  Arabis oregana Jake Ruygt 1986-3-29 1675 Napa Hunting Creek, in Knoxville area Knoxville Comment
  UCD15004  Arbutus menziesii Wesley Ebert 1977-4-16 35 Napa Off east side of Highway 128 above East Bull Canyon, 6 miles southwest of Monticello Dam. 213 Comment
  UCSB19044  Arbutus menziesii 1965-4-13 Napa 3 miles W of Pope Valley on the road between Pope Valley and Angwin Comment
  CAS-BOT-BC409912  Arceuthobium campylopodum Mrs. E. C. Sutliffe 1919-10-1 s.n. Napa Mt. St. Helena Comment
  JEPS40129  Arceuthobium campylopodum W. L. Jepson Oct. 1893 Napa Conn Valley Comment
  CAS-BOT-BC24158  Arctostaphylos Alice Eastwood; John Thomas Howell 1937-4-4 3830 Napa Rocky slope, Wooden Valley grade E of Napa Comment
  HSC7607  Arctostaphylos canescens C. B. Wolf 1928-2-25 1502 Napa 1 mi. N of summit of Mt. St. Helena grade Comment
  CAS-BOT-BC23990  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12268 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC23996  Arctostaphylos canescens subsp. canescens H. E. McMinn s.n. H 59 Napa Mt. St. Helena, Pathological Comment
  CAS-BOT-BC23999  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11108 Napa Mt. St. Helena Comment
  SBBG5402  Arctostaphylos canescens subsp. canescens H. and M. Dearing 1939-5-9 3292 Napa Mt Saint Helena Comment
  UC549704  Arctostaphylos canescens subsp. canescens J. E. Adams 1934-3-10 644 Napa Mt. St. Helena Comment
  UC571088  Arctostaphylos canescens subsp. canescens H. L. Mason 1926-3-14 2735 Napa Toll House Canyon Mount St. Helena Comment
  UC674740  Arctostaphylos canescens subsp. canescens W. K. Fisher 1900-9-9 Napa Mt. St. Helena 853 Comment
  JEPS122794  Arctostaphylos glandulosa Jake Ruygt 2008-5-3 5318 Napa Mt. St. Helena along fire trail, south side. QUAD: Detert Reservoir. 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
  RSA626915  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24804 Napa Chaparral on southeast side of Mt. Helena. 1020 Comment
  SBBG32425  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 mi SW of Angwin 243 Comment
  CAS-BOT-BC23102  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-7-13 5351 Napa Chaparral on the edge of the Crater Country Comment
  CAS-BOT-BC23142  Arctostaphylos glandulosa subsp. glandulosa C. Hart Merriam 1919-9-12 s.n. Napa Grade 4 miles NE Comment
  JEPS49536  Arctostaphylos glandulosa subsp. glandulosa W. L. Jepson 1938-9-28 19043 Napa La Jota Mesa, Howell Mt. Comment
  UC421585  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-3-23 4562 Napa near Mt. St. Helena Comment
  RSA355181  Arctostaphylos manzanita L. F. LaPre 1985-4-24 355181 Napa Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. Line and S of Three Peaks. Comment
  CAS-BOT-BC38759  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1923-5-25 955 Napa Suisun Creek between Rockville and Wooden Valley Comment
  CAS-BOT-BC38760  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1925-1-23 13621 Napa wooden Valley Grade Comment
  CAS-BOT-BC38766  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4558 Napa About 1 mile se. of Mt. St. Helena Inn, near Mt. St. Helena. Comment
  CAS-BOT-BC38769  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  JEPS122806  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5102 Napa Wild Horse Valley Road about .2 mile from east end. QUAD: Mount George Comment
  JEPS122812  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5107 Napa Pope Valley Road just north of tributary of Pope Creek. QUAD: Aetna Springs. Comment
  POM180789  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1930-7-13 5357 Napa On the edge of the Crater Country' Comment
  POM193979  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1930-3-23 4558 Napa Near Mt. St. Helena. Comment
  RSA181902  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1936-12-7 17993 Napa Glass Mt., near St. Helena. Comment
Read comments
Sep 3 2012
  RSA60842  Arctostaphylos manzanita subsp. manzanita Frank W. Gould 1939-4-6 595 Napa 5 miles east of Napa. 229 Comment
  UC909842  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-10 646 Napa Mt. St. Helena Comment
  SEINET265723 Image available Arctostaphylos patula Royal D. Suttkus 1967-6-26 67- 30 -18 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  SEINET3094066 Image available Arctostaphylos patula Royal D. Suttkus 1967-6-26 67- 30 -18 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  CAS-BOT-BC43832  Arctostaphylos stanfordiana H. E. McMinn 1922-6-8 173 Napa Howell Mt. Comment
  CAS-BOT-BC43843  Arctostaphylos stanfordiana John Thomas Howell 1926-3-21 1704 Napa Mt. St. Helena Comment
  CAS-BOT-BC43844  Arctostaphylos stanfordiana Alice Eastwood 1923-5-9 11761 Napa Mt. St. Helena Comment
  CAS-BOT-BC43848  Arctostaphylos stanfordiana H. E. McMinn 1925-1-23 1364 b Napa Summit Wooden Valley Grade 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-BC43865  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 1/2 mi. west of aetna Springs. Comment
  CAS-BOT-BC43867  Arctostaphylos stanfordiana Alice Eastwood 1918-9-3 7940 Napa Mt. St. Helena Comment
  CAS-BOT-BC43872  Arctostaphylos stanfordiana John Thomas Howell 1930-7-13 5356 Napa edge of the Crater Country Comment
  JEPS38884  Arctostaphylos stanfordiana W. L. Jepson 1936-12-7 17992 Napa Four Corners Napa Range, Howell Mt. Comment
  JEPS58788  Arctostaphylos stanfordiana W. L. Jepson 1938-9-28 19041 Napa La Jota Mesa Howell Mt. Comment
  SDSU2839  Arctostaphylos stanfordiana D. F. Howe 1966-6-3 4264 Napa 3 miles south of Angwin. 305 Comment
  UC571226  Arctostaphylos stanfordiana H. L. Mason 1926-1-2 2611 Napa Toll House Canyon Mount St. Helena Comment
  UC763114  Arctostaphylos stanfordiana R. F. Hoover 1941-4-27 4948 Napa e side Mt. St. Helena Comment
  UCD73433  Arctostaphylos stanfordiana subsp. decumbens 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
  UC876395  Arctostaphylos tomentosa subsp. crustacea Lewis S. Rose 1937-4-4 37017 Napa 8 mi ne Napa; Wooden Valley Grade 274 Comment
  RSA531257  Arctostaphylos viscida W. Wisura, D. Grzanna 1991-9-4 4575 Napa 8.7 mi. N of Calistoga along Hwy. 29. 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
  UC762313  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1941-4-26 4914 Napa between Samuel Sprs. and Walter Sprs.; Pope Creek canyon Comment
  UCD102399  Arctostaphylos viscida subsp. pulchella Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-3-16 s.n. Napa Lake Berryessa. Moskowite Corners-Spanish Flat. Capell Valley. Capell Valley Road to Capell Creek. 230 Comment
  CAS-BOT-BC47451  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-5-5 11286 Napa Mt. St. Helena Comment
  JEPS58789  Arctostaphylos viscida subsp. viscida W. L. Jepson 1938-5-22 18817 Napa Limekiln Creek Canyon Pope Valley Comment
  RSA388862  Arctostaphylos viscida subsp. viscida R. W. Brooks 1975-4-26 54 Napa 12 miles north from State Highway 128, Pope Valley. 762 Comment
  CHSC20707  Aristolochia californica Robert A. Schlising 1964-3-25 2655 Napa California Coast Ranges. Jct Redwood Road and Browns Valley Road. Comment
  JEPS32455  Aristolochia californica Willis L. Jepson 1900-3-9 507 Napa Stone Bridge, St. Helena Napa R. Basin, St. Helena Comment
  SBBG16136  Aristolochia californica H. and M. Dearing 1940-3-20 4147 Napa near Napa Comment
  UC543760  Aristolochia californica Herbert L. Mason 1928-4-13 4331 Napa hills between Santa Rosa and Calistoga Comment
  UC6148  Aristolochia californica Willis L. Jepson 1893-4-28 Napa Wooden Valley grade from Napa; Napa River Basin Comment
  UC468967  Arnica discoidea H. P. Chandler 1907-5-19 7579 Napa St. Helena , White Sulphur Spring Comment
  JEPS123016  Arrhenatherum elatius Jake Ruygt 1991-6-10 2721 Napa Lake Henne, Friesen's Lakes. Quad: Saint Helena. Comment
  CDA2628  Arum italicum J. T. Howell 1970-3-19 46494 Napa Near Old Bale Mill 0 Comment
  UC1103507  Asarum caudatum J. P. Tracy 1902-5-21 1596 Napa Head of Moore's Creek, 3-4 miles East of Angwin's 304 Comment
  UC1299582  Asclepias solanoana Freed W. Hoffman 1949-6-4 3215 Napa Oat Hill Mine road North Coast Ranges (northern Napa County) Comment
  JEPS122711  Asclepias speciosa Jake Ruygt 1986-6-28 1844 Napa Mt. Millhouse Camp, Mt. St. Helena. Quad: Detert Reservoir. Comment
  JEPS48894  Astragalus breweri Elsa Kraeger 1926-3-27 Napa near Geyser (Calistoga, in field); Calistoga, near Geyser Comment
  RSA51342  Astragalus breweri P. H. Raven 1950-5-6 2022 Napa Sulpher flats and hot spring near Old Faithful Geyser N. of Calistoga. 183 Comment
  UCD75831  Astragalus breweri Jake Ruygt 1979-4-6 488 Napa 2.2 miles east of Butts Canyon Rd. on Snell Valley Rd. 195 Comment
  JEPS95200  Astragalus claranus Jake Ruygt 1998-4-14 3906 Napa e end Taplin Rd 106 Comment
  RSA424721  Astragalus claranus Aaron Liston, M. Blumler, B. Grummer 1987-4-25 661 -1 Napa NE side of Lake Hennessey, Conn Valley Road. Comment
  UC517971  Astragalus claranus John Thomas Howell 1931-4-19 6442 Napa Conn Valley Comment
  JEPS107253  Astragalus clevelandii Jake Ruygt 1991-6-29 2756 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 121 Comment
  CAS-BOT-BC178295  Astragalus gambelianus L. R. Abrams 1928-5-3 12227 Napa St. Helena Grade Comment
  JEPS107252  Astragalus gambelianus Jake Ruygt 1989-4-22 2284 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 304 Comment
  UCD144414  Astragalus gambelianus G. F. Hrusa; S. Larson 1995-4-10 12058 Napa Approximately 1 m. below bridge over Pope Creek, on Pope Canyon Road. 175 Comment
  UCD148842  Astragalus gambelianus Ellen Dean; Diana Hickson 2014-4-29 8147 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UCD47978  Astragalus gambelianus A. Hufton; S. Burgess, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 11 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
Read comments
Jan 14 2009
  RSA112186  Astragalus gambelianus R. C. Barneby 1954-4-30 11230 Napa Conn Valley near the slipway. Comment
  CAS-BOT-BC66083  Athyrium filix-femina var. cyclosorum Evelina Cannon 1901-7-13 s.n. Napa Johannisberg, on side of Mt. Veeder Comment
  JEPS53210  Athysanus pusillus W. L. Jepson 1937-4-10 18000 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  SEINET3165955  Athysanus pusillus C. D. Bailey 2008-3-19 260 Napa East of the town of Napa along Combsville Rd. Follow onto Wild Horse Valley Rd. as Combsville Rd. comes to an end. Ca. 1 mile up Wild Horse Valley Rd. on a road cut. 183 Comment
  UCD170670  Athysanus pusillus 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Off Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 167 Comment
  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
  JEPS126099  Atriplex rosea Jake Ruygt 1991-9-21 2840 Napa Kennedy Park, north of the boat ramp. Napa 7.5' Qua. Comment
  CAS-BOT-BC145930  Avena fatua Beecher Crampton 1956-3-13 3228 Napa State Highway 128, 1 mile south of Rutherford, Napa Valley. Comment
  UCR197925  Avena fatua Beecher Crampton 1956-3-13 3228 Napa Napa Valley, 1 mile south of Rutherford Comment
  JEPS21291  Baccharis pilularis W. L. Jepson 1892-10-22 Napa near St. Helena ((Park Hill)); Park Hill Comment
  HSC47480  Baccharis pilularis subsp. consanguinea Richard Spjut 1978-12-4 5259 Napa Near Lake Barryessa along Hwy. 128 Comment
  JEPS40689  Baccharis salicifolia subsp. salicifolia W. L. Jepson 1915-4-23 6247 Napa Conn Valley, Napa Range Comment
  UCD129468  Baccharis salicifolia subsp. salicifolia G. F. Hrusa; S. Larson 1995-4-10 12055 Napa along Chiles Valley-Pope Valley Road. Approximately 2 miles east of Lake Hennessey. 200 Comment
  UCR45101  Balsamorhiza macrolepis 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
  UCD38368  Barbarea vulgaris Beecher Crampton 1955-4-4 2386 Napa 0.5 mile east of St. Helena, Silverado Trail. Comment
  POM15680  Bellardia trixago A. A. Heller 1902-5-24 5600 Napa Near Napa. Comment
  JEPS120385  Berberis aquifolium var. aquifolium Jake Ruygt 1986-3-16 1647 Napa 4.5 miles north of Westgate Drive on Atlas Peak Road Comment
  CAS-BOT-BC75873  Berberis pinnata Alice Eastwood 1918-5-1 6869 Napa Mount Saint Helena. Comment
  RSA52658  Berberis pinnata I. L. Wiggins 1949-4-30 12089 Napa E flank of Mt St Helena. 915 Comment
  JEPS120400  Bergia texana Jake Ruygt 1998-12-7 4120 Napa About .15 miles west of boat ramp at Lake Hennessey. 94 Comment
  UCD148774  Beta vulgaris subsp. maritima Jake Ruygt 1991-9-14 2838 Napa Napa County; American Canyon, northwest of end of Mini Drive. 2 Comment
  CAS-BOT-BC15945  Boechera breweri subsp. breweri David D. Keck 1933-5-29 2360 Napa Pope Creek Bridge south of Walters Springs. Comment
  POM262503  Boisduvalia densiflora Milo S. Baker 1941-7-30 10152 Napa Roadside from Childs Valley toward Rutherford near branch to Winters Comment
  RSA182010  Boisduvalia densiflora var. densiflora W. L. Jepson 1944-7-30 27545 Napa 3 miles SE of Yountville, Napa Valley. 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
  JEPS121374  Bolboschoenus maritimus subsp. paludosus Jake Ruygt 1982-5-13 1247 Napa .5 miles south of Imola Ave.; south end of Jefferson St,, Napa Comment
  JEPS64002  Bolboschoenus robustus W. L. Jepson 1894-11-7 21219 Napa Napa Comment
  UCD20423  Brachypodium distachyon E. Dean; w/ PLB 102 class 2002-5-4 1010 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of junction of East and West roads, along lower road leading out to power lines. 304 Comment
  UCD47948  Brassica nigra Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 5 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCD167353  Brassica rapa James Neilson 1981-3-30 4001 Napa Foothills above vineyards along Hwy 29, 5 miles north of Calistoga. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC145368  Briza minor Paul F. Covel 1940-4-28 1702 Napa Near Yountville. Comment
  JEPS76094  Briza minor W. L. Jepson 1938-5-25 18857 Napa Howell Mt. Napa Range (meadow on road into Bell Canyon) 579 Comment
  JEPS129035  Brodiaea elegans subsp. elegans Jake Ruygt 2016-5-28 6268 Napa Oil Well Road 1/4 mile west of high point. Lake Berryessa 7.5' Quad. Comment
  JEPS7654  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-24 7665 Napa near Toll House; Mount Saint Helena Comment
  UCD139136  Brodiaea elegans subsp. elegans Heidi E. M. Dobson 1978-6-14 338 Napa Mt. Veeder. Comment
  RSA376767  Brodiaea elegans subsp. elegans Robert Gustafson, Don Reynolds 1983-6-7 2742 Napa Snell Valley Road, about 1 mile northeast from the jct of Butts Canyon Rd. Comment
  JEPS129040  Brodiaea leptandra Jake Ruygt 2016-6-6 6276 Napa Okin Ranch, Chiles Valley. St. Helena 7.5' Quad. Comment
  JEPS5689  Brodiaea leptandra W. L. Jepson 1936-7-3 17634 Napa Four Corners Howell Mountain Comment
  UC657700  Brodiaea leptandra Milo S. Baker 1941-6-30 10158 Napa n road from Silverado Trail, along highway to Howell Mt. Comment
  UCD148580  Brodiaea leptandra Jake Ruygt 1992-5-25 3006 Napa Napa County; north of Leoma Lakes near access road to Wild Horse Valley Reservation. 411 Comment
  UCD168502  Brodiaea leptandra Shannon Hickey 2017-6-15 9 Napa along the west fork of Wild Horse Valley Road between Leoma Lakes and Wild Horse Valley. (Locality information and elevation interpreted by label maker from the collector provided coordinates.) 432 Comment
  SACT000507  Bromus carinatus John Willoughby 1976-5-18 Napa not far below top, latitude about that of Mount Vaca, with Quercus agrifolia and Pinus sabiniana 609.6 Comment
  SEINET238874 Image available Bromus carinatus var. carinatus Beecher Crampton 1956-5-25 3464 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  CAS-BOT-BC156284  Bromus catharticus Peter H. Raven 1951-6-24 3000 Napa Napa. 30 Comment
  UCR152263  Bromus catharticus Beecher Crampton 1961-6-12 5902 Napa Inner North Coast Ranges, 7 miles northeast of city of Napa, summit along State Highway 37 396 Comment
  SACT000673  Bromus diandrus M. Wiesendanger 1927-5-4 Napa Comment
  SBBG29005  Bromus grandis B. Crampton 1967-6-20 Napa 3 mi N of Moskowite Corner, N end of Capell Valley, St Hwy 128 Comment
  UCD58629  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3542 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  JEPS82331  Bromus laevipes Roger Raiche 1982-1-16 20027 Napa n of Napa (along Route 121 (3.5 mi w of intersection with Route 128)); Route 121 Comment
  UCD95906  Bromus laevipes Ellen Dean; with Clare Loughran 2011-5-20 7047 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  UCR152416  Bromus laevipes Beecher Crampton 1967-6-20 8133 Napa 3 mi N of Moskowite Corner at N end of Capell Valley above Capell Creek an Hwy 128 Comment
  POM262786  Bromus rubens J. C. Roos 1939-4-28 261 Napa Angwin, Howell Mtn. Comment
  UCD121177  Bromus rubens Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7357 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
  UCD17981  Bromus rubens Ellen Dean; with Plant Biology 102 class 2001-4-14 707 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along North Decker Canyon Trail, N of trail. 182 Comment
  CDA10898  Bromus sterilis G. F. Hrusa, M. Rejmanek 1993-5-15 10994 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS123002  Bromus sterilis Jake Ruygt 1994-4-26 3361 Napa Pope Valley (Juliana Vineyard); north of Barnett Road. Quad: Aetna Springs. Comment
  JEPS122998  Bromus vulgaris Jake Ruygt 1987-5-16 2002 Napa Devil's Canyon. Quad: Sonoma. Comment
  UC1146620  Calamagrostis rubescens Freed W. Hoffman 1944-7-7 1973 Napa North Coast Ranges; Trinity Road Comment
  UCD37684  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  UCD57744  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  UCD148839  Calandrinia ciliata Ellen Dean; Diana Hickson 2014-4-29 8143 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  JEPS52607  Calandrinia ciliata Willis L. Jepson 1893-4-27 Napa hills near Veteran's Home; Napa River Basin, Yountville 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
  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
  UCD161613  Callitriche marginata Jake Ruygt 2002-3-12 4359 Napa Lewelling Ranch, Sulphur Springs Avenue, St. Helena. 77 Comment
  CAS-BOT-BC85796  Calocedrus decurrens Carl B. Wolf 1928-2-25 1508 Napa 3 miles north of summit of Mt. St. Helena Grade Comment
  UC130972  Calochortus amabilis Katharine Brandegee 1909-6-1 Napa Pope Valley Grade from Calistoga Comment
  CAS-BOT-BC488488  Calochortus amabilis Carl B. Wolf 1928-5-3 1787 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC488491  Calochortus amabilis L. R. Abrams 1928-5-3 12208 Napa St. Helena Grade Comment
  UC917115  Calochortus amabilis W. M. Grannell 1950-4-27 15 Napa n side Putah Canyon Comment
  UCD139530  Calochortus luteus J. Buck 1996-6-2 23 Napa at Hennessey Lake along Highway 128, in field near the boat. 48 Comment
  UCD164691  Calochortus luteus L. P. Thibault 1995-6-2 54 Napa South side of Highway 128 approximately, 0.5 miles west of junction with Highway 121. 275 Comment
  UCD48755  Calochortus luteus M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 21 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 250 ft. N of power lines. 274 Comment
  CAS-BOT-BC492545  Calochortus luteus Wayne Roderick 1967-5-20 s.n. Napa Snell Valley 457 Comment
  UCD39242  Calochortus luteus B. Crampton 1971-5-19 8713 Napa South of Wooden Valley. Napa and Solano County border. Comment
  SEINET4169984  Calochortus pulchellus W. M. Grannell 1950-4-27 15 Napa N. side of PutahCanyon Comment
  UCD166650  Calochortus splendens Jake Ruygt 1989-5-20 2333 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 441 Comment
  CAS-BOT-BC483611  Calochortus tolmiei Elizabeth Wright 1922-4-1 s.n. Napa Calistoga Comment
  POM182666  Calochortus uniflorus D. D. Keck 1931-4-4 1097 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  UCD139598  Calochortus uniflorus M. Wiesendanger 1928-4-5 868 Napa Calistoga. Comment
  UCD167143  Calochortus vestae Jake Ruygt 2015-5-2 6088 Napa West of Buck Mountain nea Nevada Creek. 461 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
  UC1876235  Calycadenia fremontii Gerald D. Carr 1971-8-6 620 Napa Lake Hennessey, Hwy 128, 1.7 mi SW of Chiles-Pope Valley Rd. Comment
  UC1876219  Calycadenia fremontii Gerald D. Carr 1971-9-20 665 Napa 0.8 mi SE of Berryessa-Knoxville Rd. on Hwy 128. 213 Comment
  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
  JEPS122696  Calycadenia multiglandulosa Jake Ruygt 1982-7-18 1373 Napa Deer Park Road at Four Corners. Quad: St. Helena. Comment
  CAS-BOT-BC270615  Calycadenia multiglandulosa David D. Keck 1933-7-1 2467 Napa Howell Mountain, 2 miles SW of Pacific Union College Comment
  JEPS106902  Calycadenia pauciflora Jake Ruygt 1986-7-2 1853 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 448 Comment
  CAS-BOT-BC270822  Calycadenia pauciflora Gerald D. Carr 1971-9-20 668 Napa 1.8 miles SE of Lake County line on Morgan Valley Road, 125 yards N of road 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
  POM298248  Calycadenia pauciflora H. M. Hall 1923-10-12 11926 Napa 16 miles SE of Lowerlake Comment
  RSA255533  Calycadenia pauciflora Gerald D. Carr 1971-9-20 669 Napa 1.8 miles SE of Lake Co. line on Morgan Valley Road, 125 yards north of [?]. 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
  UCD129823  Calycadenia pauciflora Gerald D. Carr 1971-10-23 681 Napa 1/4 mile west of Berryessa-Knoxville Road on Highway 128. Comment
  UC1876642  Calycadenia truncata Gerald D. Carr 1971-11-6 686 Napa 0.8 mi S of Angwin on Howell Mt. Rd. Comment
  UCR23720  Calycadenia truncata John C. Roos 1939-7-16 254 Napa North Coast Range, Palisades, Napa Range near Calistoga 823 Comment
  UC1925922  Calycadenia truncata Ethel Crum October 1930 908 Napa Yountville Comment
  UCD33684  Calycadenia truncata Beecher Crampton 1971-10-26 8766 Napa 4.7 miles east of Conn Reservoir Dam on State Hwy. 128. Comment
  CAS-BOT-BC271552  Calycadenia truncata subsp. truncata David D. Keck 1933-11-10 2720 Napa 1 mi. N. of Yountville Comment
  CAS-BOT-BC271572  Calycadenia truncata subsp. truncata David D. Keck 1933-11-10 2720 Napa 1 mi. N. of Yountville Comment
  RSA31986  Calycadenia truncata subsp. truncata A. A. Heller 1941-9-22 16317 Napa Roadside bank 1 mile north of Yountville. Comment
  JEPS20255  Calycanthus occidentalis W. L. Jepson 1942-11-1 20747 Napa Yankee Creek Comment
  JEPS40318  Calycanthus occidentalis Alice King Jul 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  JEPS40319  Calycanthus occidentalis W. L. Jepson 1934-10-16 16896 Napa Adam and Eve Ridge Howell Mt. (by the cave, Howell Mt.) Comment
  SEINET3153864  Calycanthus occidentalis H. P. Chandler 1906-9-7 713 Napa Alta Loma ranch 549 Comment
  UC1196352  Calycanthus occidentalis J. P. Tracy 1899-7-2 378 Napa 3 to 4 mi e Angwin's (along Moore's Creek); Howell Mountain, Head of Moore's Creek 335 Comment
  SEINET8194129 Image available Calycanthus occidentalis R. H. Miller 1949-5-8 49 Napa Along Highway 37, about 13 miles northeast of Napa Comment
  HSC81855  Calystegia collina subsp. collina Thomas W. Nelson, Jane Nelson 1980-5-3 5136 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UC1197876  Calystegia collina subsp. collina Joseph P. Tracy 1902-5-17 1520 Napa on hills at head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's); Northern Coast Ranges, , Moore's Creek 365 Comment
  JEPS120397  Calystegia occidentalis Jake Ruygt 1985-5-18 1597 Napa Foss Valley Comment
  UCD167154  Calystegia occidentalis Jake Ruygt 2015-5-13 6102 b Napa East of Zim- Zim Creek parking lot. 350 Comment
  UCD160804  Calystegia occidentalis subsp. occidentalis Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8684 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  SBBG5771  Calystegia purpurata H. and M. Dearing 1939-5-3 3269 Napa Rutherford-Sage Cyn Rd Comment
  JEPS31653  Calystegia purpurata W. L. Jepson 1936-5-31 17570 Napa La Jota , La Jota (Howell Mtn.) Comment
  RSA52706  Calystegia purpurata I. L. Wiggins 1949-4-30 12080 Napa Along old toll road between Calistoga and Middletown. Comment
  CAS-BOT-BC224626  Calystegia purpurata subsp. purpurata Saichi Kawahara 1968-4-20 333 Napa Oakville Grade, 4 miles west of Oakville 228 Comment
  CAS-BOT-BC224629  Calystegia purpurata subsp. purpurata Lester Rowntree 1938-5-16 s.n. Napa Atlas Peak, Napa Range Comment
  UC23177  Calystegia subacaulis Willis L. Jepson 1894-5-1 Napa Conn Valley , Conn Valley (Napa River Basin) Comment
  JEPS122760  Camissonia contorta Jake Ruygt 2007-5-17 5173 b Napa Wildlake Ranch, near Potato Hill. Quad: Calistoga. Comment
  POM66475  Camissonia ovata Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS122759  Camissoniopsis hirtella Jake Ruygt 2005-6-1 4885 c Napa Blue Ridge, about 1 mile north of Mays Flat. Quad: Knoxville. Comment
  UCD20461  Camissoniopsis hirtella R. Brush; w/ A. Atamian, C. Owens, S. Olmstead, M Furuyama 2000-4-29 14 Napa Yolo County/ Napa County line: McLaughlin UC Reserve. Four 'as the crow files' miles N of old town of Knoxville. 640 Comment
  UC20482  Camissoniopsis hirtella Willis L. Jepson 1892-7 Napa near Knoxville Comment
  CAS-BOT-BC37118  Capsella bursa-pastoris Elsa G. Ruckert 1960-2-20 3 Napa 6495 Dry Creek Road. Southwest of house. 365 Comment
  UCD19950  Cardamine oligosperma E. A. Dean; Virginia Boucher 2002-2-28 891 Napa Quail Ridge Reserve. Along West Rd. 0.4 airline miles NW of junction of West Rd. and Decker Canyon Rd. 274 Comment
  UCD41309  Cardamine oligosperma Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 2 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, W side of Knoxville Creek, 1 road mile S of the gate to old town of Knoxville. 353 Comment
  CDA6877  Carduus pycnocephalus T. C. Fuller 1958-5-1 Napa 2 miles north of Calistoga. 0 Comment
  UCD18006  Carduus pycnocephalus Ellen Dean; with Plant Biology 102 class 2001-4-28 738 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. NW-facing slope near old road that goes downslope from West Rd. 243 Comment
  UCD35854  Carduus pycnocephalus Beecher Crampton 1965-5-13 7337 Napa ca. 3 miles southeast of Calistoga, Silverado Trail. Comment
  JEPS121333  Carex amplifolia Jake Ruygt 1992-6-22 3044 Napa Above narrow valley, east side Wil Horse Valley Ranch. Comment
  JEPS121332  Carex aquatilis var. dives Jake Ruygt 2006-4-15 4982 Napa Highway 29, about 0.5 mi. south of Lincoln Ave., Calistoga. Comment
  CDA37916  Carex barbarae D. G. Kelch 2010-5-6 10 .165 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS63757  Carex barbarae W. L. Jepson 1918-6-25 7670 Napa Oakville, Napa Valley Comment
  UCD161346  Carex densa Jake Ruygt 1986-5-5 1746 Napa West slope of Mt. George. (Coordinates estimated by label maker at UC Davis). 310 Comment
  CAS-BOT-BC35073  Carex densa Peter H. Raven 1952-5-31 4115 Napa Conn Creek east of Yountville. 45 Comment
  JEPS121350  Carex dudleyi Jake Ruygt 2006-4-15 4980 Napa Highway 29, about 0.5 mi. south of Lincoln Ave., Calistoga. 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
  CAS-BOT-BC28415  Carex gracilior Peter H. Raven 1950-5-6 2019 Napa Near Rt. 29 in Old Faithful Geyser road 2 mi N of Calistoga. 182 Comment
  CAS-BOT-BC32125  Carex multicaulis Peter H. Raven 1950-6-20 2377 Napa Howell Mtn on NNE side Road to Pope Valley. Comment
  UCD161702  Carex praegracilis Jake Ruygt 2010-5-1 5531 Napa Hunting Creek near campground. (Coorindates converted from UTM data by label maker.) 329 Comment
  UC1147830  Carex senta Alice Eastwood, John Thomas Howell 1937-4-4 3826 Napa near summit N of Wooden Valley Comment
  CAS-BOT-BC117618  Carex serratodens Peter H. Raven 1951-5-26 2873 Napa Butts Canyon 304 Comment
  JEPS121329  Carex serratodens Jake Ruygt 1979-4-23 542 Napa 2.1 miles east of Silverado Trail on Hwy 128 100 Comment
  UCD140839  Carex serratodens Beecher Crampton 1957-4-22 3942 Napa above Capell Creek, north end of Capell Valley, along State Highway 128. Comment
  HSC103670  Carex serratodens Thomas W. Nelson, Jane Nelson 1981-4-14 6370 Napa Along Devil's Head Rd., at crossing of Cedar Creek 549 Comment
  RSA783701  Carex subbracteata Jake Ruygt 2009-6-22 3221 -b Napa Yountville Ecological Reserve. Yountville Cross Road. Comment
  UCD161634  Carex tumulicola Jake Ruygt 2005-3-20 4707 Napa Alston Park, Dry Creek Road, Napa. 45 Comment
  CDA6924  Carthamus creticus G. D. Barbe 1978-7-21 2411 Napa Stags Leap, Silverado Trail, east of Yountville. 0 Comment
  UCD148091  Carthamus lanatus Jake Ruygt 2001-7-2 4317 Napa East of Lower Chiles Valley Rd. on Sage Canyon Rd. (Hwy 128) 155 Comment
  RSA296388  Castilleja affinis W. L. Jepson 1938-5-24 18839 Napa Near Four Corners, Howell Mountain. Comment
  RSA296442  Castilleja affinis R. W. Cruden 1967-5-27 1247 Napa About 3 miles northeast of Angwin, Ink Grade. 488 Comment
  SJSU11484  Castilleja affinis E. C. Garbett 1961-4-15 292 Napa Brown Valley Rd between Vallejo & Brown Valley Comment
  UCD122147  Castilleja affinis K. Esau 1933-7-8 s.n. Napa Calistoga near Petrified Forest. Comment
  JEPS8498  Castilleja affinis subsp. affinis W. L. Jepson 1893-3-13 21480 Napa Saint Helena, lower slopes of Howell Mountain Howell Mountain Comment
  UC1301210  Castilleja affinis subsp. affinis Helen K. Sharsmith 1963-4-20 5355 Napa above Wooden Valley (on Monticello, e side of Napa Range); San Francisco Bay Region, Napa Range 243 Comment
  JEPS110618  Castilleja affinis subsp. neglecta Jake Ruygt 1982-5-8 1231 Napa north side American Canyon above quarry 152 Comment
  JEPS9136  Castilleja ambigua subsp. ambigua W. L. Jepson 1923-6-23 9979 Napa se of Yountville; Napa Valley Comment
  RSA516495  Castilleja ambigua subsp. ambigua W. L. Jepson 1923-6-23 9979 Napa Yountville (se. of), Napa Valley. Comment
  UCD20753  Castilleja applegatei M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 102 Napa McLaughlin UC Reserve. Devilhead Rd. 2.5 road miles S of jct. with Knoxville-Berryesa Rd. W side of the road by small perennial creek. 487 Comment
  RSA195298  Castilleja applegatei subsp. martinii Gilbert Muth 1967-5-17 680 Napa Oat Hill Road, Calistoga. 671 Comment
  JEPS88836  Castilleja applegatei subsp. martinii T. I. Chuang and F. M. Chuang 1991-6-23 7835 Napa near summit between Calistoga and Middletown Comment
  UC1012334  Castilleja applegatei subsp. martinii F. W. Pennell and H. L. Mason 1940-5-21 25479 Napa s of Calistoga (Route 29) 152 Comment
  UC199390  Castilleja applegatei subsp. martinii H. P. Chandler 1907-5-14 7580 Napa White Sulphur Springs; St. Helena Comment
  UCD116985  Castilleja attenuata Jillian Howard; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. 0.1 miles NE of fire station, north side of dirt road. 518 Comment
  UCD48228  Castilleja attenuata A. Ryan; S. Burgess, A. Hufton, J. Pierner, and B. Takahashi 2000-4-29 18 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of old town of Knoxville. 609 Comment
  UCD49260  Castilleja attenuata S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 20 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 207 Comment
  UCD122315  Castilleja attenuata K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  UCSB7453  Castilleja attenuata Kamb, Peter; Chisaki, Francia 1950-4-22 Napa 3.2 miles west of junction of the road with California Highway #37 213 Comment
  JEPS122741  Castilleja densiflora subsp. densiflora Jake Ruygt 2011-5-28 5798 Napa West of Atlas Peak Road, 0.6 mi SW of Foss Valley. Quad: Yountville. Comment
  JEPS21807  Castilleja densiflora subsp. densiflora Margaret Whitmore 1958-4-11 42 Napa 2 mi n Napa (on Atlas Peak Road) 16 Comment
  UC1301193  Castilleja densiflora subsp. densiflora Helen K. Sharsmith 1963-4-20 5331 Napa 4 mi s Napa (off Kelly Road); San Francisco Bay Region 45 Comment
  JEPS10340  Castilleja exserta subsp. exserta W. L. Jepson 1915-4-13 5307 Napa Howell Mt. 609 Comment
  UC138773  Castilleja foliolosa C. F. Baker 1903-4-20 2630 Napa Mt. St. Helena Comment
  UC26422  Castilleja foliolosa Willis L. Jepson 1893-4-25 Napa Napa River Basin; trail to Caux's Cabin Comment
  JEPS25050  Castilleja minor subsp. spiralis J. P. Tracy 1899-7-5 372 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); Howell Mountain, head of Moore's Creek 365 Comment
  JEPS3860  Castilleja minor subsp. spiralis W. L. Jepson 1938-9-24 19026 Napa n of Pope Valley (Canyon of James Creek); James Creek Comment
  UC1238994  Castilleja minor subsp. spiralis Freed W. Hoffman 1946-8-21 869 Napa near Morgan Valley (on the Knoxville Road, Hunting Creek, Napa-Lake county line); North Coast Ranges, Hunting Creek Comment
  JEPS11160  Castilleja rubicundula subsp. lithospermoides Rachael Wilcox 1944-5-9 Napa Conn Valley Comment
  UCD160684  Castilleja rubicundula subsp. lithospermoides Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8756 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 177 Comment
  CAS-BOT-BC47998  Ceanothus L. R. Abrams 1928-5-4 12289 Napa 4 mi. south of Middletown Comment
  CAS-BOT-BC83848  Ceanothus confusus D. O. Burge 2008-5-31 1005 c Napa Mayacmas Mountains, York Creek 200 Comment
  UC796624  Ceanothus confusus Ira L. Wiggins 1949-4-30 12083 Napa about 1.5 mi from Mount St. Helena, summit (on saddle) 1066 Comment
  CAS-BOT-BC48943  Ceanothus cuneatus H. E. McMinn 1925-1-24 1392 Napa Along road from summit of Wooden Valley grade to Montecello Comment
  CAS-BOT-BC48944  Ceanothus cuneatus Frank A. Leach 1921-3-1 s.n. Napa hills back of Napa asylum Comment
  CDA11901  Ceanothus cuneatus G. F. Hrusa, G. L. Stebbins 1994-4-8 11721 A Napa North Coast Biodiversity Arena; approx. 1/2 mile above Aetna Springs resort. Comment
  POM136486  Ceanothus cuneatus Alice Eastwood 1922-5-4 11281 Napa Mt. St. Helena. Comment
  UC1328142  Ceanothus cuneatus var. cuneatus Donald V. Hemphill 1940-3-22 45 Napa 2 mi w Angwin (Bell's Canyon) 518 Comment
  UC903042  Ceanothus cuneatus var. cuneatus Ethel Crum 1937-4-19 1784 Napa 15 mi n Napa (Steel Canyon,); Napa Range Comment
  JEPS42325  Ceanothus dentatus W. L. Jepson 1913-4-15 5312 Napa Howell Mt. Comment
  CAS-BOT-BC49785  Ceanothus divergens John Thomas Howell 1941-4-5 16162 Napa Franz Valley Comment
  CAS-BOT-BC49787  Ceanothus divergens John Thomas Howell 1941-4-5 16166 Napa About 1 mi. sw. of Calistoga Comment
  CAS-BOT-BC49803  Ceanothus divergens Brandegee 1889-6-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC49804  Ceanothus divergens H. E. McMinn 1926-1-2 1627 Napa Along trail up 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-BC64441  Ceanothus divergens John Thomas Howell 1941-6-21 16320 Napa Hills sw. of St. Helena. Comment
  POM161253  Ceanothus divergens R. C. Bacigalupi 1926-3-28 s.n. Napa Between 1st and 3rd summit; Mt. St. Helena Comment
  RSA261719  Ceanothus divergens Katherine Brandegee 1889-04 s.n. Napa St. Helena Comment
  RSA32476  Ceanothus divergens Milo S. Baker 1939-02 s.n. Napa 1.5 miles west of Napa-Calistoga Hwy at a point 3/4 mile south of Connor Ranch Comment
  SEINET12211279  Ceanothus divergens W. Knight, Schmidt, C. 1987-1 6058 Napa Kortum Canyon Road 274 Comment
  OBI10525  Ceanothus foliosus Lewis S. Rose 1964-4-2 64018 Napa 2 mi SW of Angwin 244 Comment
  UCD162121  Ceanothus foliosus Dylan O. Burge 2014-3-15 1499 Napa Mount Saint Helena. 755 Comment
  CAS-BOT-BC50877  Ceanothus foliosus var. foliosus Brandegee 1890-5-1 48 Napa Mt. St. Helena Comment
  CAS-BOT-BC50880  Ceanothus foliosus var. foliosus Alice Eastwood 1915-6-6 4702 Napa Mt. St. Helena Comment
  CAS-BOT-BC50909  Ceanothus foliosus var. foliosus Alice Eastwood 1915-6-5 4566 Napa Petrified Forest Comment
  JEPS42434  Ceanothus foliosus var. foliosus W. L. Jepson 1924-4-6 10318 Napa Howell Mountain, Napa Range 914 Comment
  UCD112165  Ceanothus incanus K. Esau; E. Hyde 1938-5-15 s.n. Napa Mt. St. Helena. Comment
  UCD162738  Ceanothus integerrimus Dylan O. Burge; J. Rugyt 2014-5-23 1625 Napa Butts Canyon Road, roadside. 222 Comment
Read comments
Dec 8 2016
  UCD169648  Ceanothus integerrimus Jake Ruygt 2014-5-6 5933 Napa Pope Creek about 1.4 mile east of Walter Springs bridge. 170 Comment
  CAS-BOT-BC50636  Ceanothus jepsonii Ella Dales Cantelow 1939-4-8 2525 Napa 3 1/2 mi. n.w. of Knoxville Comment
  CAS-BOT-BC50639  Ceanothus jepsonii C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  JEPS129028  Ceanothus jepsonii Jake Ruygt 2016-6-6 6277 Napa Okin Ranch, Chiles Valley. St. Helena 7.5' Quad. Comment
  UCD160572  Ceanothus jepsonii G. Ledyard Stebbins 1994-4-23 s.n. Napa Butts Canyon along Butts Creek, west of Putah Creek. Comment
  CAS-BOT-BC83785  Ceanothus jepsonii var. albiflorus D. O. Burge 2008-6-1 1007 b Napa S of Butts Canyon, approx. 200 m E of Butts Canyon Road 340 Comment
  JEPS79562  Ceanothus jepsonii var. albiflorus Edward Lee with A. Carter and E. Crum 1936-3-15 1818 Napa Butt's Canyon Comment
  SEINET11191994  Ceanothus oliganthus var. oliganthus R. R. Halse 2013-3-27 8751 Napa Along State Hwy. 128 ca. 8.7 miles W of Winters, just west of Monticello Dam, south end of Lake Berryessa. 143 Comment
  CAS-BOT-BC51562  Ceanothus oliganthus var. sorediatus H. E. McMinn 1923-5-26 974 b Napa Along Eticuera Creek tributary to Putah Creek 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
  JEPS42213  Ceanothus oliganthus var. sorediatus W. L. Jepson 1893-4-28 14002 Napa n Wooden Vally Grade (Tranchos Creek) Comment
  CDA11179  Ceanothus parryi G. F. Hrusa 1988-4-16 5539 Napa North Coast Biodiversity Arena; along Pope Creek, immed. E of bridge crossing below Chiles Valley Rd. Comment
  JEPS110731  Ceanothus parryi Jake Ruygt 1976-4-23 18 Napa 2.1 miles NE of Silverado Trail on Deer Park Road 213 Comment
  JEPS42392  Ceanothus parryi Willis L. Jepson 1893-5-6 14023 Napa Calistoga Comment
  RSA182686  Ceanothus parryi D. D. Keck 1931-4-2 10112 Napa Foot of Wooden Valley Grade, W base of Napa Range, 4.5 miles NE of Napa. 90 Comment
  SBBG4433  Ceanothus parryi H. and M. Dearing 1939-3-2 3259 Napa Dry Crk Rd Comment
  UC18402  Ceanothus parryi Willis L. Jepson 1894-4-30 Napa sw Calistoga (Rebecca Ranch grade); Napa River Basin, sw of Calistoga Comment
  UC18404  Ceanothus parryi Edw. L. Greene 1892-4-23 Napa Calistoga Comment
  RSA10636  Ceanothus prostratus var. occidentalis Carl B. Wolf 1928-5-4 1854 Napa Upper slopes of Mount St. Helena. 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
  CDA11149  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11560 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa. Comment
  CDA11156  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11567 Napa North Coast Biodiversity Arena; Howell Mtn., W face, 2-3 mi. W of Angwin, alongside Howell Mtn Rd. Comment
Read comments
Jul 28 2008
  CHSC106015  Ceanothus purpureus Ayzik Solomeschch; Stephen Rae 2007-7-8 Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. UTM: 10S, 565647, 4246590. 215 Comment
  JEPS105484  Ceanothus purpureus Eva Buxton 2001-4-24 1105 Napa ca 1 mile south of Lake Hennessy, in chaparral on Somona volcanics Comment
  JEPS42097  Ceanothus purpureus Willis L. Jepson 1893-9-21 14028 Napa Napa Range on Wooden Valley grade Napa River Basin Comment
  RSA40278  Ceanothus purpureus L. S. Rose 1948-3-8 s.n. Napa Wooden Valley Grade, 6 miles NE of Napa. 183 Comment
  RSA51338  Ceanothus purpureus Peter H. Raven 1950-4-15 1768 Napa Wooden Valley grade above Napa. 457 Comment
  RSA758696  Ceanothus purpureus Dylan O. Burge 2007-5-4 DOB 905 c Napa Atlas Road, at roadside 5.7 road miles north of intersection with Monticello Road (SR 121), east of Milliken Canyon (Milliken Reservoir watershed), 11.4 km 20 degrees true north-northeast of Napa. 410 Comment
  UC728640  Ceanothus purpureus Milo S. Baker 1931-2-8 5031 Napa 5 mi from Napa on Monticello Road Comment
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Dec 31 2011
  UCD123962  Ceanothus purpureus D. O. Burge and K. B. Schroeder 2008-3-7 978 c Napa South of Lake Hennessey, 1.8 road miles (2.9 km) south of SR 128 via unnamed road beginning directly south of the entrance to the Lake Hennessey Boat Launch Facility, 5.17 km 47 deg. (True) ENE of Oakville. 370 Comment
  JEPS42407  Ceanothus velutinus W. L. Jepson 1893-9-23 14012 Napa Mt. St. Helena Comment
  JEPS68364  Ceanothus velutinus L. R. Heckard 1972-6-26 2998 Napa below radar station (se of lookout on peak); Mt. St. Helena Comment
  UCD130047  Centaurea melitensis Charles B. Heiser Jr. 1947-5-17 1909 Napa 5 miles southwest of Monticello in road to St. Helena. Comment
  JEPS106534  Centaurium muehlenbergii Jake Ruygt 1995-7-12 3515 Napa about 2 miles south of Lake Hennessey on private drive (Taylor 432 Comment
  UC1537512  Centaurium trichanthum Gordon H. True Jr. 1937-7-30 827 Napa near Aetna Springs 365 Comment
  UC22707  Centaurium trichanthum H. N. Bolander 1863-9-20 2652 Napa Pope Valley Comment
  UC878329  Centaurium trichanthum Milo S. Baker 1938-8-22 9223 Napa just s Lake-Napa County line (Lower Lake-Knoxville Road) Comment
  UC1746024  Centaurium venustum Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2771 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS106656  Centromadia fitchii Jake Ruygt 1986-9-6 1914 Napa Trancas St. at Villa Lane 12 Comment
  UCD170276  Centromadia fitchii Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 810 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 637 Comment
  JEPS38180  Centromadia fitchii Willis L. Jepson 1893-9-25 Napa Suscol Hills Comment
  CAS-BOT-BC271539  Centromadia parryi subsp. parryi James I. McMurphy 1909-8-7 697 Napa Calistoga Warm Springs Comment
  CAS-BOT-BC272825  Centromadia parryi subsp. parryi David D. Keck; J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi. N. of the center of town at the geysers Comment
  JEPS38168  Centromadia parryi subsp. parryi W. L. Jepson 1894-7-19 Napa about 2 mi above Calistoga Comment
  UC89053  Centromadia parryi subsp. parryi T. S. Brandegee 1892-8-1 Napa Calistoga Comment
  UC894336  Centromadia parryi subsp. parryi Alice Eastwood 1918-9-3 7960 Napa Calistoga Comment
  JEPS112623  Centunculus minimus Jake Ruygt 1986-5-24 1782 Napa Pope Canyon Rd. at large vernal pool 187 Comment
  JEPS85037  Cerastium glomeratum Larry Heckard and Mary Ashton 1969-5-3 2197 Napa ca. 7 mi. n.e. Napa (Mead Ranch, off Atlas Peak Rd.); Mead Ranch 457 Comment
  UCD48853  Cerastium glomeratum C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 16 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Between West Rd. and Decker Bay Trail; approx. 200' NW of jct of West Rd. and Decker Bay Trail; approx. 300' N of creek. 167 Comment
  HSC14637  Cercis occidentalis Greg Bos 1963-3-3 21 Napa W slope of [Lake] Berryesa, Spanish Flat area. 152 Comment
  UC1540471  Cercis occidentalis Ethel Crum 1937-8-8 1956 Napa 7 mi se Monticello; Putah Creek Canyon Comment
  UCD145181  Cercis occidentalis Daphne K. Christopher; Hannah Stevens, Mark Bibbo 2003-4-11 136 Napa UC Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation. 138 Comment
  UCD48886  Cercis occidentalis S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 27 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd, N of jct with Cut-Off Rd. 152 Comment
  SEINET10451038  Cercis occidentalis John T. Middleton 1936-3-21 Middleton 86 Napa Comment
  UCD113050  Cercocarpus betuloides J. M. Tucker 1951-3-28 2066 Napa Beside road up south side of Howell Mountain, 5.6 miles north of St. Helena. Comment
  UCR146182  Cercocarpus betuloides Beecher Crampton 1966-5-10 7715 Napa Inner North Coast Ranges, 9 miles east of Rutherford on State Hwy 128 183 Comment
  CAS-BOT-BC135487  Cercocarpus betuloides var. betuloides Peter H. Raven 1950-6-20 2359 Napa Napa Range between Conn Valley and Howell Mtn. Comment
  SEINET5586406  Cercocarpus betuloides var. betuloides Richard R. Halse 2013-1 8754 Napa Along State Hwy. 128 ca. 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners. 239 Comment
  UCD170202  Cercocarpus betuloides var. betuloides Daniel Potter 2015-3-14 755 Napa Knoxville Wildlife Area, east of Berryessa-Knoxville Road and Eticuera Creek. 242 Comment
  CAS-BOT-BC284571  Chaenactis glabriuscula var. heterocarpha C. F. Baker 1903-5-8 2967 Napa Knoxville Comment
  UC699713  Chaenactis glabriuscula var. heterocarpha W. L. Jepson 1894-5-1 Napa ridges above Napa Valley (Conn Valley) Napa Valley (Conn Valley); above Napa Valley (Conn Valley) Comment
  POM54141  Chaenactis glabriuscula var. heterocarpha C. F. Baker 1903-5-8 2967 Napa Knoxville. Comment
  JEPS52338  Chamaesyce serpyllifolia W. L. Jepson 1894-1 13929 Napa St. Helena Comment
  UC1427385  Cheilanthes covillei Alan R. Smith with J. Eckenwalder 1974-5-1 656 Napa junction of Lower Chiles Valley Rd and State Hwy 128 Comment
  RSA90500  Chenopodium californicum Anonymous 1936-04 8179 Napa A mile or so north of Knoxville. Comment
  UCD161538  Chenopodium macrospermum Jake Ruygt 1991-9-23 2844 Napa Napa River, north of Slaughterhouse Point. 1 Comment
  JEPS126101  Chenopodium murale Jake Ruygt 1986-10-12 1918 Napa Trancas Street east of Highway 29, Napa. Napa 7.5' Qua. Comment
  JEPS115759  Chenopodium pumilio Lowell Ahart 2009-10-27 16484 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  CDA18829  Chondrilla juncea O. Dannenberg 1999-6-22 PDR 1103331 Napa Hwy 29 Yountville overpass, Yountville. 0 Comment
  CAS-BOT-BC256933  Chorizanthe membranacea M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  UCR261728  Chorizanthe membranacea Ann Howald 2003-5-23 2339 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 190 Comment
  CAS-BOT-BC252838  Chorizanthe polygonoides var. polygonoides Peter H. Raven 1951-6-10 2908 Napa Crater Region E of Mt. St. Helena 792 Comment
  LA36522  Chorizanthe polygonoides var. polygonoides J. M. Tucker; 1965-5-15 3827 Napa E side of Devilhead Rd, Cedar Valley, ca mi (airline) S, and a little W, of Knoxville 655 Comment
  UCD99835  Chorizanthe polygonoides var. polygonoides J. M. Tucker 1965-5-15 3827 Napa east side of Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  CAS-BOT-BC36500  Chrysolepis chrysophylla Belle Richardson Jackson 1924-10-22 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC285219  Cichorium intybus John Thomas Howell 1940-5-19 15443 Napa Near Napa Comment
  UCD127359  Cicuta douglasii Lloyd Harwood 1972-11-6 s.n. Napa Wild Horse Valley Ranch. Comment
  JEPS59110  Cirsium arvense W. L. Jepson Napa Upper Conn Valley Comment
  UCD35635  Cirsium cymosum Beecher Crampton 1959-5-26 5266 Napa North end of Capell Valley, above Capell Creek. Comment
  UCD170288  Cirsium douglasii var. douglasii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 828 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 441 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
  JEPS106934  Cirsium quercetorum Jake Ruygt 1992-5-15 2967 Napa Wild Horse Valley Ranch, west of road north of polo field 487 Comment
  JEPS126096  Cistus incanus Jake Ruygt 1979-5-20 625 Napa 0.2 miles north of Glass Mountain Road on Silverado Trail. Saint Helena 7.5' Qua. Comment
  JEPS110770  Clarkia affinis Jake Ruygt 1996-5-13 3674 Napa Wantrop Wildlife Sanctuary, Hardin Road, Pope Valley 475 Comment
  UCD49182  Clarkia affinis A. Collier; D. Caterson and S. Kenady 2002-5-4 6 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines. 335 Comment
  CAS-BOT-BC160918  Clarkia amoena subsp. amoena E. Ruckert 1960-4-29 131 Napa 6495 Dry Creek Road 396 Comment
  RSA449282  Clarkia breweri Rockwell s.n. Napa St. Helena. Comment
  UCD39195  Clarkia concinna Beecher Crampton 1953-5-19 1300 Napa 9 miles east of Rutherford. Comment
  HSC81860  Clarkia concinna Thomas W. Nelson, Jane Nelson 1980-5-3 5156 Napa Junction of Butts Canyon Rd. & Snell Valley Rd. 197 Comment
  UCD21810  Clarkia concinna L. D. Gottlieb 1987-8-1 8740 Napa Hwy. 128, immediately west of Conn Dam. Comment
  JEPS110767  Clarkia concinna subsp. concinna Jake Ruygt 1987-6-5 2021 Napa Wild Horse Valley Ranch, in canyon east of valley 463 Comment
  POM38096  Clarkia concinna subsp. concinna Marcus E. Jones 1881-7-6 s.n. Napa St. Helena. Comment
  UC527846  Clarkia concinna subsp. concinna R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6674 Napa 10 mi n Howell Mountain; Butt's Canyon Comment
  UC972132  Clarkia concinna subsp. concinna Helen K. Sharsmith 1952-5-17 4072 Napa 3.8 mi n Capell Valley road junction; Inner North Coast Ranges, Steel Canyon 304 Comment
  UCD104446  Clarkia concinna subsp. concinna L. P. Thibault 1995-6-2 58 Napa South side of Highway 128, ca. 2 miles E of Lower Chiles Valley Road. 300 Comment
  UCSC009023  Clarkia concinna subsp. concinna Dylan M. Neubauer 2015-4-24 125 Napa (NCoRI) Sage Canyon Rd/Hwy 128, across from S edge Lake Hennessey 101 Comment
  JEPS43610  Clarkia concinna subsp. concinna W. L. Jepson 1908-5-23 3006 Napa hills e St. Helena Comment
  RSA209534  Clarkia concinna subsp. concinna Betty H. Johnson 1958-6-8 592 Napa Near St. Helena River, at the Mill House , 6.4 miles SW of Middletown Comment
  CAS-BOT-BC164533  Clarkia gracilis subsp. albicaulis Peter H. Raven 1962-5-31 17920 Napa In Lower Lake--Knoxville road, 1.9 miles south of Lake County line Comment
  CAS-BOT-BC164534  Clarkia gracilis subsp. albicaulis Peter H. Raven 1952-6-28 4210 Napa Chiles Valley 243 Comment
  JEPS43544  Clarkia gracilis subsp. albicaulis Willis L. Jepson 1897-7-12 14360 Napa Pope Valley to Middleton; Butts Canyon 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
  JEPS43655  Clarkia gracilis subsp. sonomensis W. L. Jepson 1893-1 14353 Napa Howell Mt. Comment
  CAS-BOT-BC162481  Clarkia gracilis subsp. sonomensis Mrs. K. Brandegee 1910-5-22 s.n. Napa Mountain slopes from Calistoga, to the Toll House Comment
  SEINET4145440  Clarkia gracilis subsp. sonomensis K. Brandegee 1910-5-22 120 Napa Mountain flopes from Calistoga to the Toll House Comment
  CAS-BOT-BC163688  Clarkia purpurea subsp. quadrivulnera M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC163691  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-5-20 2841 Napa Hills w. Oakville 121 Comment
  UC1563877  Clarkia purpurea subsp. quadrivulnera Barbara Ertter with Annetta Carter 1989-5-28 8503 Napa 4.7 mi s Knoxville tunnel (Berryessa-Knoxville Road, n of Lake Berryessa); Eticuera Creek 304 Comment
  RSA92804  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-5-20 2841 Napa Hills west of Oakville 122 Comment
  UCD167274  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 2007-5-19 5189 Napa Las Posadas State Forest, at Recreation Flat. 408 Comment
  JEPS43587  Clarkia purpurea subsp. viminea W. L. Jepson 1936-7-3 17635 Napa below Four Corners; Napa Range, Howell Mt. Comment
  CAS-BOT-BC164761  Clarkia rhomboidea Peter H. Raven 1951-5-26 s.n. Napa Howell Mtn just above Pope Valley Comment
  JEPS110694  Clarkia rhomboidea Jake Ruygt 1989-5-20 2344 Napa ridge about 1 mile north of Mt. Vaca 804 Comment
  JEPS120366  Clarkia rhomboidea Jake Ruygt 2010-6-26 5653 Napa Mead Ranch, Atlas Peak Road. Capell Valley 7.5' Quad. Comment
  JEPS43712  Clarkia rhomboidea Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena Comment
  SEINET7718946  Clarkia rhomboidea Unknown Napa Napa Comment
  JEPS43603  Clarkia unguiculata W. L. Jepson 1923-6-3 9971 Napa Calistoga Napa Valley Comment
  CAS-BOT-BC439132  Claytonia exigua subsp. exigua John Thomas Howell 1926-3-21 1727 A Napa St. Helena Creek below Patten's Comment
  CHSC11355  Claytonia exigua subsp. exigua Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  JEPS129175  Claytonia exigua subsp. exigua Jake Ruygt 2015-3-10 6036 Napa Sutro Ranch, east side of Atlas Peak. Yountville 7.5' Quad. Comment
  JEPS43259  Claytonia exigua subsp. exigua W. L. Jepson 1900-3-10 514 Napa Howell Mt. Comment
  CAS-BOT-BC439373  Claytonia gypsophiloides Rimo Bacigalupi 1926-3-28 1269 Napa Patton's Toll House along old road, Mt. St. Helena Comment
  CAS-BOT-BC439374  Claytonia gypsophiloides L. R. Abrams 1928-5-3 12241 Napa Summit St. Helena Grade Comment
  JEPS43271  Claytonia gypsophiloides W. L. Jepson 1897-5-2 Napa near Calistoga (Rebecca Ranch grade); Upper Napa Valley Comment
  RSA465247  Claytonia gypsophiloides Alice Eastwood 1918-5-1 6819 Napa Mt. St. Helena. Old crater in sand. Comment
  CAS-BOT-BC439376  Claytonia gypsophiloides John Thomas Howell 1926-3-20 1698 Napa Old toll road to Mt. St. Helena Comment
  POM161337  Claytonia gypsophiloides Rimo C. Bacigalupi 1926-3-28 1269 Napa Patton s Toll House along old road. Comment
  UCD148798  Claytonia parviflora Ellen Dean; Diana Hickson 2014-4-29 8105 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 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
  JEPS77943  Claytonia parviflora subsp. parviflora Edward Lee 1936-3-15 1802 Napa 0.75 mi out Rutherford (Rutherford-Pope Valley road) Comment
  UCD67495  Claytonia perfoliata D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  UCD100806  Claytonia perfoliata subsp. perfoliata Heidi E. M. Dobson 1978-4-8 295 Napa Redwood Road at base of Mt. Veeder. Comment
  RSA195387  Claytonia rubra Gilbert Muth 1967-4-9 609 Napa Bateman Creek. 610 Comment
  SBBG50563  Clematis lasiantha C. D. Spencer 1972-4-16 31 Napa Soda Cyn Rd, 8.2 mi from US Post Office on Trancas Avenue, Napa 609 Comment
  UCD32567  Clematis lasiantha Beecher Crampton 1954-5-18 1918 Napa 10 minutes southwest of Monticello, along highway 128. Comment
  UCR146179  Clematis lasiantha Beecher Crampton 1954-5-18 1918 Napa Vaca Mountains, 10 minutes southwest of Monticello, along Highway 128 274 Comment
  CAS-BOT-BC92681  Clematis ligusticifolia H. E. McMinn 1922-8-2 361 Napa Putah Canyon. Comment
  UCD95591  Clematis ligusticifolia H. Popenoe 1949-6-4 32 Napa 11.5 miles from Winters on road to Monticello. Comment
  RSA42341  Collinsia greenei Lincoln Constance, J. F. Davidson, R. H. Shan, W. H. Wagner 1946-5-18 3046 Napa Souteast slope of Mount St. Helena, near the old inn. Comment
  JEPS7321  Collinsia heterophylla Rachel Wilcox 1944-5-9 Napa Conn Valley Comment
  HSC38124  Collinsia heterophylla Thomas W. Nelson, Jane P. Nelson, James Nelson, J. P. Smith 1976-4-12 2351 Napa Along Morgan Valley Rd., 4.5 mi N of Lake Berryessa Comment
  RSA305747  Collinsia heterophylla James R. Shevock 1971-4-8 921 Napa Hwy 29 near Co. line. 549 Comment
  UCD123578  Collinsia heterophylla M. Ensign 1943-5-28 306 Napa 10 miles north of Monticello on road to Lower Lake. 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
  UCD123659  Collinsia sparsiflora R. L. Smith 1948-5-8 s.n. Napa Pope Valley. Comment
  SFV8689  Collinsia sparsiflora var. arvensis S. Logan 1965-3-19 1 Napa Dollarhide Road about 3 miles east of Pope Valley. Comment
  UC1032605  Collinsia sparsiflora var. arvensis B. O. Schreiber 1938-4-24 2497 Napa 5.2 mi n-ne of Napa (Wooden Valley Grade); Wooden Valley Grade 274 Comment
  RSA296438  Collinsia sparsiflora var. arvensis Helen-Mar Wheeler 1944-3-27 s.n. Napa Conn Ranch, about 1.8 miles north of south end of Conn Valley. Comment
  UC885508  Collinsia sparsiflora var. sparsiflora Alice Eastwood 1922-5-5 11290 Napa Mount St. Helena Comment
  UCD170677  Collinsia sparsiflora var. sparsiflora Matthew Conner; Plant Science 102 class 2018-4-28 13 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 160 Comment
  JEPS112525  Collinsia tinctoria Jake Ruygt 1987-6-6 2032 Napa Devil's Canyon near falls 548 Comment
  JEPS112527  Collinsia tinctoria Jake Ruygt 1978-5-21 325 Napa 2.2 miles north of Chiles-Pope Valley Rd on Sage Canyon Rd. 134 Comment
  JEPS128915  Collinsia tinctoria Jake Ruygt 1998-5-20 3979 Napa Chiles Canyon about 1/2 mile N of white bridge. Chiles Valley 7.5' Quad. Comment
  UC147867  Collinsia tinctoria Joseph P. Tracy 1904-5-23 2086 Napa near Calistoga (Napa Valley, top of Pratt Hill); Northern Coast Ranges, Napa Valley 91 Comment
  JEPS110958  Collomia diversifolia Jake Ruygt 1983-4-17 1432 Napa Red Hill, Mt. St. Helena 655 Comment
  JEPS41088  Collomia diversifolia Rimo Bacigalupi, and L. R. Heckard 1965-5-15 9089 Napa 0.5 mi se Devilhead Road (from Knoxville to Cedar Valley) (headwaters of Zim Zim Creek, ne Napa County); Zim Zim Creek 487 Comment
  JEPS120431  Collomia diversifolia Jake Ruygt 2010-5-15 5554 Napa Snell Valley / Missimer Preserve, Butts Creek. Comment
  UCD167220  Collomia diversifolia Jake Ruygt 1981-5-21 1038 Napa Putah Creek north of Snell Valley. 182 Comment
  RSA304646  Collomia heterophylla D. H. Wilken 1973-5-6 11926 Napa Summit of Howell Mtn. Road, between Anguin and Pope Valley 518 Comment
  UCD112237  Collomia heterophylla Christopher Mallek 2008-5-12 AS2- 7 Napa Aetna Springs. 668 Comment
  UCD118178  Collomia heterophylla K. Esau 1935-5-5 s.n. Napa Near Petrified Forest, Calistoga. Comment
  RSA92933  Collomia heterophylla P. H. Raven 1951-6-26 3067 Napa Wooden Valley Grade 305 Comment
  JEPS129156  Conium maculatum Jake Ruygt 1978-6-18 358 Napa 100 yards east of Maxwell Bridge. Napa 7.5' Quad. Comment
  JEPS122707  Conyza canadensis Jake Ruygt 1989-10-2 2419 Napa South Shore of Lake Hennessey along Sage Canyon Road. Quad: Yountville. Comment
  JEPS75689  Cordylanthus mollis subsp. mollis Craig D. Thomsen 1976-7-27 Napa between Fagen Slough and Steamboat Slough; Napa River, Napa Marsh Comment
  JEPS6810  Cordylanthus pilosus subsp. pilosus Willis L. Jepson 1894-10-14 21346 Napa Rebecca Ranch grade Calistoga Comment
  RSA516551  Cordylanthus pilosus subsp. pilosus R. C. Bacigalupi, G. Thomas Robbins, C. L. Custer 1954-8-9 4750 Napa Grade over shoulder of Mt. St. Helena, road from Calistoga to Middletown, near Hanley's Resort. 511 Comment
  JEPS66520  Cordylanthus pringlei L. R. Heckard and T. I. Chuang 1971-8-16 2777 Napa along US Hwy 29 s Middletown (just across the Lake Co. line) 457 Comment
  OBI57117  Cordylanthus pringlei T. I. Chuang, Fei-Mei Chuang 1970-7-25 6831 Napa 0.9 mi N of Napa and Lake County line on US hwy 29 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
  HSC38389  Cornus glabrata J. P. Smith, J. O. Sawyer 1970-5-17 3791 Napa 12 mi. N of Pope Valley. Comment
Read comments
Jun 12 2012
  JEPS50118  Cornus glabrata W. L. Jepson 1923-10-10 10235 a Napa Wooden Valley Comment
  UC723833  Cornus glabrata Joseph Andorfer Ewan 1934-4-30 8849 Napa Steel Canyon 8 mi. s. Monticello; Steel Canyon Comment
  UCR146186  Cornus glabrata Beecher Crampton 1954-5-20 1920 Napa Coast Range, 3 miles east of Rutherford, along highway 128, Sage Canyon, Conn Creek 91 Comment
  HSC58986  Cornus nuttallii D. R. Hardy 1972-5-10 Napa Close to the town of Angwin. 366 Comment
  JEPS50156  Cornus nuttallii W. L. Jepson 1896-2-22 14142 Napa Howell Mt. Comment
  UC1543150  Cornus nuttallii Charlotte G. Nast 1936-4-17 87 Napa Mt. St. Helena Comment
  CAS-BOT-BC180342  Corylus cornuta subsp. californica Alice Eastwood 1923-5-9 11742 Napa Calistoga Comment
  JEPS126115  Corylus cornuta subsp. californica Jake Ruygt 1987-5-16 1992 b Napa Bismark Knob. Sonoma 7.5' Qua. Comment
  JEPS110659  Cotoneaster pannosus Jake Ruygt 2005-6-12 4920 Napa Monticello Road, 0.9 mi E of Atlas Peak Road 79 Comment
  UCD130901  Cotula coronopifolia David Lawfer 1952-4-20 150 Napa Napa. Comment
  JEPS106393  Crassula aquatica Jake Ruygt 1979-4-19 526 a Napa Suscol hill east of HWY 29 (221) 28 Comment
  CAS-BOT-BC427748  Crassula connata Peter H. Raven 1953-4-2 5242 Napa Hills e. of Imola 121 Comment
  UC1300834  Crassula connata var. subsimplex Helen K. Sharsmith 1963-3-17 5217 Napa s. side Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD73849  Crocanthemum scoparium Ellen Dean; S. Rae 2008-5-21 4984 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 274 Comment
  UCD59944  Crypsis schoenoides Beecher Crampton 1963-9-19 6898 Napa North end of Capell Valley, above Capell Creek, State Hwy. 128. Comment
  SEINET4206989  Cryptantha clevelandii Barbara Ertter, Annetta Carter 1989-5-28 8510 Napa Near Knoxville 2 mi SE of Lake Co. line on Berryessa Rd.; 0 610 Comment
  UC1239659  Cryptantha flaccida J. P. Tracy 1899-6-11 438 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD148815  Cryptantha flaccida Ellen Dean; Diana Hickson 2014-4-29 8121 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  HSC81728  Cryptantha hispidula Thomas W. Nelson, Jane P. Nelson 1980-5-3 5137 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  JEPS106738  Cryptantha hispidula Jake Ruygt 1980-6-29 949 Napa across HWY from Circle Oaks 304 Comment
  UC55902  Cryptantha hispidula J. P. Tracy 1902-5-21 1575 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  UC1278106  Cryptantha hispidula Beecher Crampton 1955-4-7 2442 Napa 0.5 mi nw Knoxville (ne Napa County) Comment
  UC726222  Cryptantha hispidula A. A. Heller 1941-5-16 16126 Napa w of Knoxville (near the summit of the first ridge) Comment
  UCD161233  Cryptantha microstachys Jake Ruygt 2002-4-1 4378 Napa Napa County : Blue Ridge north of Mays; flat. (Coordinates estimated by label maker at UC Davis). 487 Comment
  UC857196  Cryptantha muricata M. S. Jussel 1937-5-23 Napa Palisades Comment
  HSC43990  Cryptantha rostellata Robert M. Specht 1977-4-19 684 Napa Above drainage running NE from Adams Creek (site 163) 524 Comment
  JEPS39836  Cupressus lawsoniana W. L. Jepson Nov 29 1907-Nov 30 1907 2968 a Napa Cal. Nursery Co. St. Helena Comment
  CDA1806  Cupressus macnabiana D. G. Kelch, D. A. Weinstein 1995-4-1 s.n. Napa Along Knoxville-Berryessa Rd nr large mine. Comment
  CLARK-A1528-2663  Cupressus macnabiana John C. Roos 1938-11-19 323 Napa Pope Valley Comment
  SEINET3930653  Cupressus macnabiana David Keil 1986-11-8 19788 Napa Along Lake Berryessa Knoxville Rd. near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  UCD47752  Cupressus macnabiana R. Blenkush; S. Hee, C. McWhorter. J. Moeller 2000-4-22 1 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD67772  Cupressus macnabiana D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa MacLaughlin UC Natural Reserve. 680 Comment
  RSA92799  Cupressus macnabiana P. H. Raven 1951-10-28 3958 Napa Knoxville. 457 Comment
  UC1076280  Cupressus macnabiana H. L. Mason 1924-1-23 1208 Napa Pope Canyon Comment
  CAS-BOT-BC85482  Cupressus sargentii John Thomas Howell 1965-5-27 41324 Napa Along creek in Butts Canyon Comment
  JEPS103999  Cupressus sargentii Jake Ruygt 1979-2-25 436 Napa Oat Hill Mine Rd. near Aetna Springs 411 Comment
  JEPS79566  Cupressus sargentii Edward Lee with A. Carter and E. Crum 1936-3-15 1822 Napa stream valley near stream Butt's Canyon ((trip from Rutherford to Pope Valley)) Comment
  RSA15666  Cupressus sargentii C. B. Wolf 1928-2-25 1507 Napa 3 miles N of summit of the Mt. St. Helena Grade, near the Napa Lake County line. Comment
  UC766733  Cupressus sargentii R. F. Hoover 1940-8-25 4543 Napa e side Mt. St. Helena Comment
  UCD167649  Cupressus sargentii Andrew Fulks 2015-3-21 s.n. Napa Cedar Roughs Wilderness Area, west of Lake Berryessa. 552 Comment
  SEINET10834046  Cupressus sargentii Carl B. Wolf, E. R. Johnson 1934-10-16 Wolf 2149 Napa Above Aetna Springs about 1/2 mile southwest of Quicksilver Mine. Upper sonoran:- Digger Pines. Sun. Rocky serpentine ravine. 455 Comment
  SEINET10932814  Cupressus sargentii Carl B. Wolf, E. R. Johnson 1934-10-17 Wolf 2152 Napa On Middletown-Calistoga Road, 90 m south of Lake County line. 455 Comment
  UC450144  Cuscuta salina var. major Milo S. Baker Aug 1900 Napa Napa River, near R.R. crossing Napa River Comment
  JEPS129107  Cuscuta subinclusa Jake Ruygt 2015-6-20 6141 Napa Butts Canyon Road south of Snell Valley Road. Aetna Springs 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
  UCD119166  Cynoglossum grande G. F. Hrusa; G. L. Stebbins 1995-3-11 11596 Napa Las Posadas State Forest, immediately E of Fire Station, in upper drainage of Moore Creek. 500 Comment
  SEINET3926424  Cynosurus echinatus Kathleen Barnes 1973-6-4 54 Napa Near house, McDonald Ranch, ca. 2 air-miles east of Angwin, Pope Valley.; 0 Comment
  JEPS75995  Cyperus eragrostis W. L. Jepson 1936-6-2 17602 Napa Pratt Valley, St. Helena Comment
  UC579872  Cyperus eragrostis Annetta Carter 1935-12-1 1018 Napa w. side Wooden Valley Grade Comment
  CHSC102286  Cyperus erythrorhizos Lowell Ahart 2009-10-12 16458 -A Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 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
  UC1950192  Cyperus erythrorhizos Barbara Ertter with Elizabeth Neese 1988-10-2 7964 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge Comment
  JEPS115760  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 Winte 130 Comment
  UCSB61644  Cypselea humifusa Ertter, Barbara; Neese, Elizabeth 1988-10-2 Napa Lake Hennessey ca 15 air miles NNW of Napa, on Conn Creek in North Coast Ranges, T7N R5W; E of boat-launching ramp on SE edge 91 Comment
  JEPS103989  Cystopteris fragilis Jake Ruygt 1984-3-31 1518 Napa Devil's Canyon 548 Comment
  SD27914  Cystopteris fragilis Carl B. Wolf 1928-5-3 1842 Napa St. Helena Grade north of Calistoga Comment
  UCD60493  Danthonia californica R. Tofsrud 1947-6-19 s.n. Napa 1 mi. S. of Calistoga on Hwy. 29. Comment
  UCD95974  Danthonia californica var. californica Ellen Dean; with Clare Loughran 2011-5-20 7068 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
  RSA431669  Datisca glomerata E. S. Spalding 1924-7-4 s.n. Napa Near St. Helena; canyon beyond White Sulphur Springs. Comment
  JEPS110902  Datura ferox Jake Ruygt 2001-10-22 4346 Napa Solano Avenue at Oak Knoll Avenue 33 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
  UCD48429  Daucus pusillus Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 4 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Road ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 228 Comment
  UCD69025  Daucus pusillus P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. On serpentine rocks. UTM: 10SEN6659 155 Comment
  UCD63155  Deinandra corymbosa subsp. corymbosa Jake Ruygt 2007-5-25 5209 Napa between Buchli Station Rd. and Milton Rd. 1 Comment
  UC9220  Delphinium Willis L. Jepson 1893-5-2 Napa Pope Valley grade Napa River Basin Comment
  CAS-BOT-BC10110  Delphinium hesperium subsp. pallescens David Daniels Keck 1933-5-29 2366 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS127855  Delphinium hesperium subsp. pallescens Adam C. Schneider with Will Freyman 2014-5-17 600 Napa Shadhiliyya Sufi Center at Walter Springs (accessed via turnoff from Pope Canyon Road). Comment
  CAS-BOT-BC9816  Delphinium nudicaule Carl B. Wolf 1928-5-3 1796 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC9815  Delphinium nudicaule John Thomas Howell; Mrs. Lewis 1961-3-30 36476 Napa Near Conn Reservoir Comment
  RSA122776  Delphinium nudicaule B. O. Schreiber 1938-4-24 2495 Napa Wooden Valley Grade, 5.2 miles NNE of Napa. 274 Comment
  RSA10682  Delphinium patens Carl B. Wolf 1928-5-3 1805 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC160910  Delphinium patens Joseph P. Tracy 1902-5-15 1475 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  CAS-BOT-BC116495  Delphinium patens subsp. patens Alice Eastwood 1918-5-1 6815 Napa Mt. St. Helena Comment
  UCD164768  Delphinium patens subsp. patens Jake Ruygt 2014-5-22 5925 -b Napa Sutro Ranch, Atlas Peak. 748 Comment
  CAS-BOT-BC116486  Delphinium patens subsp. patens H. L. Mason 1928-4-13 4330 Napa ...between Santa Rosa and Calistoga Comment
  CAS-BOT-BC116489  Delphinium patens subsp. patens P. H. Raven 1950-5-6 2014 Napa Wooded slopes above the place where the W. Branch of the Napa River meets Rt. 29 approx. 1 mi. n. Calistoga 152 Comment
  RSA304849  Delphinium patens subsp. patens James R. Shevock 1971-4-8 922 Napa Hwy 29, near county line. 549 Comment
  CAS-BOT-BC121978  Delphinium uliginosum G. L. Stebbins 1967-5-31 6524 Napa Cedar Valley, south of Knowville Comment
  RSA183435  Delphinium uliginosum Alva Day 1965-5-15 65 -126 Napa Cedar Valley, west of Lake Berryessa. Comment
  UCD54385  Delphinium uliginosum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. 390 Comment
  UCD63049  Delphinium uliginosum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 Comment
  CAS-BOT-BC17174  Delphinium variegatum Clara A. Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UC1031436  Delphinium variegatum H. Lewis and G. Mehlquist 1941-5-9 Napa 16.2 mi n Monticello Comment
  UCD96665  Delphinium variegatum K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  UCD96742  Delphinium variegatum R. L. Smith 1948-5-8 s.n. Napa Near Edmunds Springs, east branch of Monticello Valley. Comment
  LA45864  Dendromecon rigida Joseph Andorfer Ewan; 1937-5-23 10333 Napa Mount St. Helena, Pinus tuberculata recover area, summit trail Comment
  UCD167245  Dendromecon rigida Jake Ruygt 1991-4-17 2625 Napa Long Ranch, on ridge south of Lake Hennessey. 365 Comment
  POM126101  Deschampsia cespitosa Joseph P. Tracy 1902-5-18 1543 Napa Head of Moore's Creek 518 Comment
  JEPS122988  Deschampsia danthonioides Jake Ruygt 1996-5-4 3654 Napa Butts Canyon Road at James Creek Road; SE field. Quad: Aetna Springs. Comment
  POM126104  Deschampsia danthonioides Joseph P. Tracy 1903-5-15 1854 Napa Napa Valley, near Calistoga Comment
  UC1023588  Deschampsia danthonioides Virginia Bufford 1937-5-9 449 Napa Calistoga Geysers 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
  UCD149576  Deschampsia elongata Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD73501  Deschampsia elongata Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC421804  Dichelostemma capitatum Katharine Brandegee 1901-6-1 Napa Pope Valley Grade Comment
  CAS-BOT-BC499422  Dichelostemma capitatum H. C. Cantelow 1939-4-8 3923 Napa 2.5 mi. n. w. of Knoxville Comment
  JEPS64160  Dichelostemma capitatum W. L. Jepson 1893-3-13 20967 Napa e of St. Helena Comment
  SEINET12045034  Dichelostemma capitatum Unknown 1972-1 14 Napa N shore of Lake Berryessa about 5 m above Monticella Dam, South Coast Range 274 Comment
  UC333348  Dichelostemma capitatum unknown 1889-4-28 Napa above Calistoga Comment
  SEINET5725241 Image available Dichelostemma capitatum subsp. capitatum Jill Bockus 1974-1 2 Napa Wallace Hardin Ranch, 3 miles northeast of Pope Valley, 3.9 miles northeast of south end of Pope Canyon Road and Chilies Road Intersection; Pope Valley 183 Comment
  UCD16051  Dichelostemma capitatum subsp. capitatum C. L. Hallock; C. Kennedy, L Condon, N. Strahan, R. Flannery 2000-4-22 7 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along W-side of Devilhead Rd. 38 deg. 49' 11.2' N, 122 deg. 21' 11.7' W; 480m. Serpentine chaparral, burned in Oct. 1999. Herb, 1.5-3 dm tall, flowers purple/blue. Comment
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1
  UC1094321  Dichelostemma congestum Peter H. Raven 1957-5-5 10773 Napa w edge Calistoga Comment
  UCD96200  Dichelostemma multiflorum Ellen Dean; with Clare Loughran 2011-5-20 7078 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
  UCD148737  Dichelostemma volubile Jake Ruygt 2005-5-14 4845 Napa Napa County; Berryessa-Knoxville Rd. near south end of Knoxville Wildlife Area. 268 Comment
  UCD48788  Dichelostemma volubile Kook-Hyun Chung; J. Deusterman, C. Ineich, and M. Hauselt 2001-4-28 13 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd., N of jct with South Decker Canyon Rd. 224 Comment
  CAS-BOT-BC150363  Diplacus aurantiacus James L. Reveal 1987-6-7 6398 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road; about 6.5 miles northwest of Vacaville 609 Comment
  CAS-BOT-BC150364  Diplacus aurantiacus Peter H. Raven 1952-5-31 4127 Napa S.W. of Rector Canyon 152 Comment
  CAS-BOT-BC150366  Diplacus aurantiacus L. R. Abrams 1916-7-12 5769 Napa Near St. Helena Sanitarium Comment
  SEINET200262  Diplacus bolanderi Francia Chisaki 1957-1 970 Napa By Soda Cr, between Chiles Valley & Monticello Comment
  SEINET8409813  Diplacus congdonii R. F. Denno 1967-3-29 33 Napa inner Coast Range; 2 miles southwest of Monticello Dam. 137 Comment
  CAS-BOT-BC153276  Diplacus kelloggii Alice Eastwood 1915-6-6 4662 Napa Mt. St. Helena Comment
  CAS-BOT-BC153279  Diplacus kelloggii Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC153282  Diplacus kelloggii Maxine Wilkes 1940-5-1 s.n. Napa Mt. St. Helena Comment
  OBI49335  Diplacus layneae Joseph P. Tracy 1950-5-23 18662 Napa Howell MTn. On hills at head of Moore's Crk, 5 mi E of Angwin's Comment
  JEPS129061  Dipsacus fullonum Jake Ruygt 1986-6-28 1841 Napa Tubbs Lane at Myrtledale Road, Calistoga. Calistoga 7.5' Quad. Comment
  JEPS126108  Dipsacus sativus Jake Ruygt 1992-7-14 3094 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Qua. Comment
  SEINET4170353  Disporum hookeri C. H. Lamoureux, J. M. Tucker , Roman Gankin 1957-4-11 1207 Napa Junction of Glass Mountain Road abd Siverado Trail Comment
  RSA769219  Dittrichia graveolens L. Ahart 2009-10-27 16503 Napa Intersection of Pope Canyon Road and Berryessa Knoxville Road, near Lake Berryessa, about 20 air miles west of Winters 152 Comment
  UCD169857  Dittrichia graveolens Lowell Ahart 2009-10-27 16503 Napa Along all the sides of the roads at the intersection of Pope Canyon Road and Berryessa Knoxville Road, near Lake Berryessa, about 20 miles, about 20 miles(air) west of Winters. 152 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
  UC22378  Dodecatheon hendersonii W. L. Jepson 1896-2-22 Napa Howell Mt. Comment
  UCD15067  Dodecatheon hendersonii Marcia R. Davis 1977-4-16 16 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam, on the left side of the road while travelling southwest; 213 Comment
  UC1746013  Downingia concolor var. concolor Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2776 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS29133  Downingia pusilla John H. Weiler 1960-4-22 60103 Napa 2.1 mi s Napa State Hospital entrance (at the side of State Highway 29) Comment
  UCD170196  Draba verna Daniel Potter 2015-3-14 761 Napa Knoxville Wildlife Area, near small creek southwest of Zim Zim Creek. 303 Comment
  UC608447  Drymocallis glandulosa Beryl O. Schreiber 1936-3-5 2202 Napa 1.2 mi w Calistoga; w of Calistoga Comment
  CAS-BOT-BC70946  Dryopteris arguta 1899-7-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC70949  Dryopteris arguta Rimo Bacigalupi 1924-2-22 s.n. Napa Toll house, Mt. St. Helena Comment
  JEPS49935  Dudleya caespitosa W. L. Jepson 1936-5-29 17553 Napa Adam-and-Eve Ridge Howell Mtn Comment
  UCD101883  Dudleya cymosa P. B. Caitlin 1957-5-16 37 Napa along Putah Creek, 8.4 miles west of Pope Valley. 30 Comment
  JEPS48602  Dudleya cymosa W. L. Jepson 1914-5-15 20780 Napa Knoxville Ridge Comment
  JEPS106392  Dudleya cymosa subsp. cymosa Jake Ruygt 1978-5-7 296 Napa 1.4 miles NE of Spanish Flat tuurnoff on HWY 128 146 Comment
  CAS-BOT-BC428155  Dudleya cymosa subsp. cymosa John Thomas Howell 1929-5-30 4281 Napa Sage Canon [Canyon], Napa Range Comment
  UCD101897  Dudleya cymosa subsp. pumila Bill Wengeler 1995-4-30 s.n. Napa 0.2 mile N of Hwy 128 along Knoxville Road. 183 Comment
  UCD148745  Dysphania multifida Jake Ruygt 1981-7-12 1075 Napa Napa County, Napa. Suscol Ave. south of Silverado Trail. 6 Comment
  POM257337  Echinochloa crus-galli Virginia Long 1931-8-22 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helen) 111 Comment
  UCD60843  Echinochloa crus-galli Beecher Crampton 1962-10-9 6697 Napa 1 - 1/4 mile southwest of Angwin, Howell Mtn. Road, Conn Creek. Comment
  SEINET10564032  Echinochloa crus-galli var. zelayensis Virginia E. Long 1931-8-22 Long 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helens). In boggy irrigation ditch near pumping plant. 111 Comment
  JEPS129120  Eleocharis coloradoensis Jake Ruygt 2010-8-24 5755 Napa Barton Hill, northwest shore of Lake Berryessa. Walter Springs 7.5' Quad. Comment
  JEPS129111  Eleocharis macrostachya Jake Ruygt 2015-5-13 6099 Napa East of Zim-Zim Creek parking lot. Knoxville 7.5' Quad. Comment
  UCD161685  Eleocharis rostellata Jake Ruygt 2008-7-14 5358 Napa Tubbs Lane, about 1/4 mile southwest of Myrtledale Road intersection. 121 Comment
  CAS-BOT-BC451525  Elodea canadensis Peter H. Raven 1952-5-31 4110 Napa Conn Cr. e. of Yountville 45 Comment
  CDA29118  Elymus glaucus D. G. Kelch, Daniel Weinstein 2009-6-21 9 .448 Napa Near Skyline Park. Comment
  UCD149692  Elymus glaucus 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
  UCD61848  Elymus glaucus M. Wiesendanger 1927-5-4 702 Napa Monticello, Napa Road. Comment
  CAS-BOT-BC203590  Elymus glaucus subsp. glaucus Peter H. Raven 1952-5-29 4087 Napa Napa River 1 mi. n. Napa 60 Comment
  JEPS122981  Elymus glaucus subsp. glaucus Jake Ruygt 1992-5-20 2989 Napa West of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mount George. Comment
  POM295667  Elymus multisetus Lyman Benson 1934-6-15 6098 Napa N. side Mt. St. Helena; Mayacamas Mt. Range 762 Comment
  JEPS110832  Emmenanthe penduliflora Jake Ruygt 1979-5-16 601 Napa 5.8 miles east of Monticello Rd. on HWY 128 304 Comment
  UCD48052  Emmenanthe penduliflora B. Takahashi; S. Burgess, A. Hufton, J. Pierner, A. Ryan 2000-4-29 5 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow the flies) N of the old town of Knoxville. 609 Comment
  UCD48053  Emmenanthe penduliflora A. Haselby; M. Carson, S. Howard, P. Mayers 2000-4-29 7 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  UCD41467  Epilobium brachycarpum Ellen Dean; Deborah Canington 2003-3-1 1364 Napa Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. Along North Decker Canyon Road. In uplands, north side of stream near fallen decaying tree. 182 Comment
  JEPS110700  Epilobium campestre Jake Ruygt 1996-6-23 3753 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 277 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
  JEPS129092  Epilobium foliosum Jake Ruygt 2016-4-26 6210 Napa Amy's Grove, Dry Creek Road. Rutherford 7.5' Quad. Comment
  RSA37535  Epilobium foliosum Milo S. Baker 1942-5-27 10204 Napa Summit of Spring Mt. Road, along road turning north, near boundary of Sonoma and Napa Counties 619 Comment
  RSA264970  Epilobium minutum Gilbert Muth 1974-4-6 s.n. Napa Near Cedar Roughs near Pope Valley. 701 Comment
  UC1278002  Epilobium minutum B. Crampton 1957-6-4 4091 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UCD170662  Epilobium minutum 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  JEPS38232  Epilobium torreyi W. L. Jepson 1938-6-8 18897 Napa Suell Valley Comment
  JEPS120438  Epipactis helleborine Jake Ruygt 2002-6-22 4438 Napa Devil's Canyon near Redwood Creek. Comment
  JEPS116560  Equisetum laevigatum Jake Ruygt 1996-4-22 3621 Napa Sheehy Creek at Executive Court. Cuttings Wharf 7.5' Quad. Comment
  CAS-BOT-BC57377  Equisetum laevigatum Peter H. Raven 1952-6-28 4215 Napa Pope Cr. below Samuel's Spr. 121 Comment
  RSA769189  Eragrostis hypnoides L. Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  JEPS120425  Erigeron biolettii Jake Ruygt 2010-6-19 5610 f Napa End of Cedar Creek / Pocock Creek Rd. Comment
  CHSC102267  Erigeron canadensis Lowell Ahart 2009-10-27 16477 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
  JEPS106946  Erigeron foliosus var. franciscensis Jake Ruygt 1995-7-6 3512 Napa Niebaum Lane, Niebaum-Coppola Estate. 131 Comment
  CLARK-A1528-2168  Erigeron inornatus John C. Roos 1939-4-16 252 Napa Angwin Comment
  POM52140  Erigeron inornatus var. biolettii H. M. Hall 1909-6-25 8518 Napa Guernewood Park Comment
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Jul 24 2013
  CAS-BOT-BC295442  Erigeron karvinskianus Peter H. Raven 1954-2-22 6398 Napa Along Main St., St. Helena 60 Comment
  UCD161621  Erigeron petrophilus var. petrophilus Jake Ruygt 2004-8-28 4652 Napa southwest of Bear Valley on ridge, east of 'Cub Valley'. 719 Comment
  HSC43918  Eriodictyon californicum Robert M. Specht 1977-4-13 657 Napa South-facing slope 488 Comment
  UCD16012  Eriodictyon californicum L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 9 Napa McLaughlin Reserve, McLaughlin Reserve, found southeast of junction at Devilhead and Hunting Creek Roads. 38 deg. 49' 15'' N, 122 deg. 21' 13'' W; 530 m. Comment
  UCD170666  Eriodictyon californicum 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  CAS-BOT-BC242606  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, near Chiles School, Napa Mountains Comment
  CAS-BOT-BC242610  Eriogonum dasyanthemum H. M. Hall 1923-10-12 11923 Napa 16 mi. west of Monticello, on road to Lowerlake Comment
  POM209422  Eriogonum dasyanthemum S. G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, near Chiles School, Napa Mountains Comment
  UCD99888  Eriogonum dasyanthemum D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  CAS-BOT-BC242609  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 92 Napa Upper part of Sage Valley, Napa Mts. Comment
  UC1177103  Eriogonum dasyanthemum Peter H. Raven 1951-10-28 3954 Napa 4 mi s Knoxville 365 Comment
  UCD99893  Eriogonum dasyanthemum Christine Lowrie 1972-5-17 35 Napa Napa County Comment
  CAS-BOT-BC266064  Eriogonum luteolum Alice Eastwood; John Thomas Howell 1939-6-11 7425 Napa Hood Mt. Range SW of Oakville Comment
  CAS-BOT-BC266070  Eriogonum luteolum Peter H. Raven 1951-5-20 2851 Napa Hills W. Oakville 548 Comment
  CAS-BOT-BC266063  Eriogonum luteolum John Thomas Howell 1929-10-26 4535 Napa Flood plain of creek 1 mile NW of Calistoga Comment
  POM209232  Eriogonum luteolum S. G. Stokes 1933-8-27 92 Napa Upper part of Sage Valley, Napa Mountains. Comment
  SEINET3405141 Image available Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa mountains. Comment
  UC85734  Eriogonum luteolum var. luteolum T. S. Brandegee Aug. 1888 Napa Howell Mountain Comment
  UCD18119  Eriogonum luteolum var. luteolum K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 56 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  UCD164823  Eriogonum luteolum var. luteolum Jake Ruygt 2012-9-15 5876 Napa South of Spanish Valley. 347 Comment
  CAS-BOT-BC474562  Eriogonum nervulosum G. Ledyard Stebbins 1985-6-17 C 534 Napa NW of Dunnigan Hill, W of Hunting Creek, SW of Knoxville (exact location unknown; coordinates estaimated by label maker) 432 Comment
  CAS-BOT-BC268976  Eriogonum nudum var. auriculatum Susan G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mountains Comment
  CAS-BOT-BC268979  Eriogonum nudum var. auriculatum James L. Reveal 1987-6-7 6408 Napa Along California Highway 128 near Sage Creek, 1.8 mile east of the junction of the Chiles and Pope Valley Road and 2.9 miles southwest of the junction of Lower Chiles Valley Road Comment
  UC1198135  Eriogonum nudum var. nudum J. P. Tracy 1899-7-6 443 Napa 3-4 mi e Angwin's (head of Moore's Creek); Moore's Creek 365 Comment
  UC6393  Eriogonum nudum var. nudum Willis L. Jepson 1893-10-13 Napa Upper Conn Valley Napa River Basin, Upper Conn Valley Comment
  UCD18120  Eriogonum nudum var. oblongifolium K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 57 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  JEPS56611  Eriogonum nudum var. oblongifolium Willis L. Jepson 1893-9-23 20992 Napa above Calistoga; Upper Napa Valley, Napa River Basin Comment
  SEINET11934232  Eriogonum tripodum F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -301 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 780 Comment
  SEINET3814250 Image available Eriogonum vimineum var. californicum Lewis S. Rose 1939-8-20 39357 Napa Chiles Creek Canoyn, 6 miles east of Rutherford. 213 Comment
  JEPS106949  Eriophyllum confertiflorum Jake Ruygt 1996-6-1 3731 Napa HWY 128 about 3/4 mile north of Turtle Rock Cafe. 280 Comment
  JEPS106951  Eriophyllum confertiflorum Jake Ruygt 1991-6-1 2711 Napa Mt. St. John, fire trail 502 Comment
  UCD160797  Eriophyllum lanatum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8677 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  CAS-BOT-BC301058  Eriophyllum lanatum var. achilleoides John Thomas Howell 1929-5-30 4272 Napa On Pope Valley Creek near Samuels Springs, Napa Range Comment
  JEPS34602  Eriophyllum lanatum var. achilleoides W. L. Jepson 1923-4-29 9889 Napa St. Helena Comment
  UC1980566  Eriophyllum lanatum var. achilleoides James L. Reveal 1987-6-7 6403 Napa Along California Highway 128 between Winters and Rutherford, 5.5 miles southeast of Moskowite Corner, about 11 airline miles northeast of Napa and South of Lake Berryessa. Comment
  OBI54925  Eriophyllum lanatum var. achilleoides Kathleen Faustini 1980-5-5 23 Napa Rte 128 approx. 3 mi E of dam Comment
  RSA92826  Eriophyllum lanatum var. achilleoides Peter H. Raven 1952-5-31 4136 Napa Summit of hills SW of Rector Canyon 305 Comment
  JEPS34731  Eriophyllum latilobum W. L. Jepson 1938-5-25 18859 Napa Bell Canyon Howell Mtn., Bell Canyon 579 Comment
  UCD18170  Erodium botrys 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
  SEINET5585685  Erodium brachycarpum Richard R. Halse 2013-1 8758 Napa Along the Chiles and Pope Valley Road ca. 4.7 miles northwest of its junction with the Lower Chiles Valley Road. 230 Comment
  UC917216  Erodium cicutarium H. Popenoe 1949-4-17 4 Napa 13 mi w Winters; Putah Canyon Comment
  UCD49060  Erodium cicutarium S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 5 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  JEPS129141  Erodium moschatum Jake Ruygt 1980-3-2 805 Napa Corner of Marin Street and H Street, Napa. Napa 7.5' Quad. 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
  JEPS104536  Eryngium aristulatum Jake Ruygt 1988-5-7 2182 Napa .5 miles east of Flosden Rd., American Canyon 173 Comment
  LA33150  Eryngium aristulatum Robert F. Hoover; 1937-8-31 2701 Napa 6 mi. S of Napa Comment
  SEINET5642298  Eryngium aristulatum David Keil 1986-11-8 19795 Napa Along Lake Berryessa Knoxville Road near Knoxville. 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  POM180788  Eryngium aristulatum var. aristulatum J. T. Howell 1930-7-13 5369 Napa Near Myrtledale Hot Springs, upper Napa Valley Comment
  UC1197358  Eryngium aristulatum var. aristulatum Joseph P. Tracy 1939-10-14 16510 Napa Calistoga, Myrtledale Hot Springs 121 Comment
  UCD147457  Eryngium castrense Ellen Dean; Diana Hickson 2014-4-29 8070 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD164833  Eryngium jepsonii Jake Ruygt 2012-6-2 5856 Napa Butts Canyon Road, across road from James Creek Road. Comment
  UCD21548  Erysimum capitatum A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 2 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, just N of pool at confluence of Sensitive Plant Canyon and Hunting Creek, along trail to pool from campground. 335 Comment
  CAS-BOT-BC40900  Erysimum capitatum G. B. Rossbach; R. P. Rossbach 1938-6-1 852 Napa Above Wooden Valley on side toward Napa, about 7 miles northeast of Napa. 487 Comment
  UC10529  Erysimum capitatum Willis L. Jepson 1893-5-4 Napa trail to summit Napa River Basin, Mt. St. Helena Comment
  SEINET14045969  Erythranthe microphylla L. Constance 1938-1 2040 Napa above Wooden Valley 8 mi. ne. of Napa; e. slope of Howell Mountains, North Coast Ranges. 457 Comment
  CAS-BOT-BC133288  Erythronium helenae Elizabeth Wright 1927-3-27 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC133291  Erythronium helenae Elmer I. Applegate 1932-3-22 7031 Napa Mount St. Helena, just east of the Palisades on the old stage road Comment
  JEPS113963  Erythronium helenae Jake Ruygt 1976-4-15 10 Napa 3.1 miles west of Butts Canyon Road on Aetna Springs Road. Aetna Springs 7.5' Quad. Comment
  RSA52730  Erythronium helenae I. L. Wiggins 1949-4-30 s.n. Napa Mount St. Helena near Lake Co. Line Comment
  CAS-BOT-BC402793  Eschscholzia caespitosa Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  CAS-BOT-BC402794  Eschscholzia caespitosa John Thomas Howell 1931-4-2 6062 Napa Wooden Valley Grade 5 miles east of Napa Comment
  JEPS120329  Eschscholzia caespitosa Jake Ruygt 1978-5-7 295 Napa 1.4 miles east of Spanish Flat turnoff on Highway 128. Lake Berryessa 7.5' Quad. Comment
  UC10041  Eschscholzia caespitosa Willis L. Jepson 1893-5-2 Napa New Pope Valley grade Napa River Basin Comment
  UC410441  Eschscholzia caespitosa Alice Eastwood 1930-4-13 17925 Napa canyon between Monticello and Pope Valley Comment
  UCD101720  Eschscholzia caespitosa Shannon M. Still 2009-4-3 418 Napa California. Napa County: Along CA-128 at mile marker 29.26. 265 Comment
  CAS-BOT-BC402785  Eschscholzia caespitosa Lester Rowntree 1937-3-30 s.n. Napa Steel Canyon near Napa Comment
  UC1005659  Eschscholzia caespitosa Frank W. Gould 1939-4-6 606 Napa 1 mi n Knoxville (on road to Lower Lake) 457 Comment
  UCD95262  Eschscholzia caespitosa M. R. Wanzer 1948-5-6 18 Napa in Putah Canyon, 13 miles west of Winters. Comment
  UCD117790  Eschscholzia californica Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, main meadow. 387 Comment
  CAS-BOT-BC403332  Eschscholzia californica Hilda Smyth 1899-1-1 s.n. Napa Napa Comment
  RSA0004638  Eschscholzia formosa C. F. Baker 1903-4-20 2614 Napa Mt. St. Helena. Comment
  JEPS106423  Euphorbia crenulata Jake Ruygt 1987-3-14 1928 Napa Conn Dam, old city park 97 Comment
  UCD142430  Euphorbia lathyris H. Stabo 1964-6-11 s.n. Napa Lewelling Ranch; St. Helena. Comment
  UC55949  Euphorbia spathulata J. P. Tracy 1902-5-15 1455 Napa 3-4 mi e Angwin's (Head of Moore's Creek); Howell Mountain, Moore's Creek 457 Comment
  JEPS104523  Eurybia radulina Jake Ruygt 1996-6-24 3761 Napa Jamieson Vineyards, Jameson Canyon. 79 Comment
  UCD19924  Eurybia radulina E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 779 Napa Quail Ridge Reserve. Decker Canyon, junction of West Rd. and Decker Bay trail. 146 Comment
  RSA755363  Euthamia occidentalis L. Ahart 2009-10-12 16420 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
  OBI74551  Euthamia occidentalis David J. Keil 1986-11-8 19797 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 3.0 mi S of turnoff to Homestead McLaughlin Mine/Mill 350 Comment
  JEPS122944  Festuca arundinacea Jake Ruygt 1982-5-19 1276 Napa Tubb's Lane, Calistoga. Quad: Calistoga. Comment
  UCD160801  Festuca californica Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8681 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD36939  Festuca californica Beecher Crampton 1956-5-25 3459 Napa Vaca Mountains, head of Markley Canyon. Comment
  UCD75791  Festuca californica Ellen Dean; S. Rae 2008-5-21 4988 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 196 Comment
  UCR23934  Festuca californica John C. Roos 1939-4-16 275 Napa North Coast Range, Pacific Union College, Angwin, [Pope Valley] 240 Comment
  UCD65909  Festuca californica subsp. californica W. E. Wood 1928-4-15 Napa Along road from St. Helena to Pacific Union College. Comment
  RSA10675  Festuca elmeri C. B. Wolf 1928-5-3 1813 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA125842  Festuca elmeri P. H. Raven 1957-5-5 10759 Napa Hills at western edge of Calistoga. 152 Comment
  UC187121  Festuca elmeri J. P. Tracy 1902-5-22 1629 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD65919  Festuca elmeri Beecher Crampton 1956-5-25 3471 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD65966  Festuca idahoensis Beecher Crampton 1954-5-6 1832 Napa 5 miles south of Monticello. Comment
  JEPS129082  Festuca microstachys Jake Ruygt 2016-4-16 6192 Napa Smitty Ranch, east of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCR24024  Festuca microstachys John C. Roos 1939-4-29 288 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  JEPS122939  Festuca occidentalis Jake Ruygt 1990-5-19 2559 Napa 1/2 mile north of Diamond Mountain Road on Highway 29. Quad: Calistoga. Comment
  UCD66179  Festuca occidentalis K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  CAS-BOT-BC279008  Festuca rubra Peter H. Raven 1951-5-20 2837 Napa W. Oakville 91 Comment
  RSA181404  Filago gallica James I. McMurphy 1910-6-7 s.n. Napa Between Napa Junction and Petaluma Comment
  UCD161338  Filago pyramidata var. pyramidata Jake Ruygt 1983-4-17 1430 Napa Napa County : Red Hill, Mt. St. Helena. (Coordinates estimated by label maker at UC Davis). 670 Comment
  CAS-BOT-BC454533  Fragaria vesca subsp. californica L. R. Abrams 1928-5-3 12238 Napa Summit St. Helena Grade Comment
  CAS-BOT-BC454534  Fragaria vesca subsp. californica L. R. Abrams 1928-5-3 12238 Napa Summit St. Helena Grade Comment
  CAS-BOT-BC53521  Frangula californica subsp. tomentella Cornelia S. Masters 1915-6-15 s.n. Napa Mountains of Napa Co. Comment
  UCD167094  Frangula californica subsp. tomentella Jake Ruygt 2015-7-4 6148 Napa Missimer - Snell Valley Preserve. 177 Comment
  CAS-BOT-BC223443  Fraxinus dipetala Alice Eastwood 1930-4-13 17926 Napa Canon [Canyon] between Monticello and Pope Valley Comment
  CAS-BOT-BC223444  Fraxinus dipetala H. E. McMinn 1922-6-8 202 Napa Pope Canon [Canyon] Comment
  UCD122035  Fraxinus dipetala W. W. Robbins 1928-3-1 1402 Napa Napa Hills. Comment
  UCD20732  Fraxinus dipetala Ellen Dean; w/ Mark Bibbo 2002-6-17 1096 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along ridge trail that connects Dead Man's Hill and East Road, east of junction with North Decker Canyon Rd. 350 Comment
  CAS-BOT-BC223532  Fraxinus latifolia Saichi Kawahara 1968-4-20 335 Napa Spillway at Conn Dam, Highway 128 91 Comment
  JEPS78436  Fraxinus latifolia Edward Lee 1936-3-15 1803 Napa 0.75 mi out of Rutherford (Rutherford to Pope Valley road) Comment
  LA50918  Fraxinus latifolia Joseph Andorfer Ewan; 1934-4-30 8860 Napa near Samuel Springs, above Monticello on Pope Valley Grade Comment
  CAS-BOT-BC205892  Fremontodendron californicum C. F. B. 1903-5-8 2972 Napa Knoxville Comment
  HSC38150  Fremontodendron californicum Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2347 Napa Along Morgan Valley Rd., 0.5 mi. from Lake Co. line Comment
  JEPS42891  Fremontodendron californicum W. L. Jepson 1943-5-15 20778 Napa Knoxville Ridge Comment
  JEPS42894  Fremontodendron californicum W. L. Jepson 1938-6-11 19005 Napa Knoxville Ridge 731 Comment
Read comments
Jun 12 2012
  JEPS81213  Fremontodendron californicum Douglas W. James Jr. 1973-5-5 102 Napa Off Road 128, 1.1 miles southeast of junction with Berryessa-Knoxville Road 213 Comment
  UCD116308  Fremontodendron californicum D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-25 s.n. Napa Berryessa-Knoxville Road. UC MacLaughlin Nature Reserve. 650 Comment
  UC723828  Fremontodendron californicum subsp. californicum Joseph Andorfer Ewan 1937-5-23 10357 Napa 16 mi from Lower Lake on Monticello Road Lower Lake; Monticello Road Comment
  SEINET5518601 Image available Fremontodendron californicum subsp. napense John Thomas Howell 1939-1 14653 Napa Near head of Hunting Creek northwest of Knoxville Comment
  SEINET5518602  Fremontodendron californicum subsp. napense Herbert L. Mason 1935-1 10009 Napa Four miles north of Knoxville Mines Comment
  POM224396  Fritillaria affinis Ethel Crum 1936-3-15 1740 Napa Butts Canyon, Pope Valley - Middletown Road Comment
  SJSU1354  Fritillaria affinis J. W. Tilden 1953-5-24 1039 Napa NE slope of Mt St Helena 457 Comment
  UCD167091  Fritillaria affinis Jake Ruygt 2015-3-7 6031 Napa South of Snell Peak. 335 Comment
  POM169367  Fritillaria affinis C. F. Baker 1903-4-20 2618 Napa Mt. St. Helena. Comment
  RSA654126  Fritillaria affinis Beecher Crampton 1953-2-26 988 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  RSA91949  Fritillaria affinis Beecher Crampton 1953-2-26 988 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  UCSB680  Fritillaria affinis Keator, Glenn 1959-3-28 Napa Near Conn's Picnic grounds, Lake Hennessy Area Comment
  RSA123591  Fritillaria pluriflora Milo S. Baker 1940-3-10 9499 Napa About 5 miles north of Knoxville, right beside road to Lower Lake Comment
  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
  CAS-BOT-BC130485  Fritillaria purdyi John Thomas Howell 1931-4-4 6166 Napa Crater Country, Mt. St. Helena region Comment
  UC545850  Fritillaria recurva E. Crum 1936-3-15 1739 Napa Butt's Canyon, Pope Valley-Middletown Road Butt's Canyon; , Pope Valley-Middletown Road Comment
  RSA450202  Fritillaria recurva D. V. Hemphill 1949-4-16 s.n. Napa [no additional locality information] Comment
  POM204016  Galium andrewsii M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  OBI57145  Galium andrewsii David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24508 Napa Just south of Lake Hennessy on south side of Highway 128 Comment
  RSA293049  Galium andrewsii subsp. andrewsii Reino Alava, Lincoln Constance, R. Ornduff 1957-5-5 764 Napa Mt St Helena. Comment
  SEINET7073048  Galium aparine 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
  UCD117804  Galium aparine Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. Along dirt road that goes northeast of fire station. In ditch on south side of road. 519 Comment
  UCD49239  Galium aparine S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 28 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-Off Rd. 152 Comment
  RSA0054814  Galium aparine Keith E. Hoffmaster 1939-4-6 910 Napa Putah can. Comment
  JEPS52706  Galium bolanderi Lauramay T. Dempster and G. L. Stebbins 1963-5-26 3780 C Napa at junction road to Angwin and road to Sanitarium; n of St. Helena Comment
  UCD160729  Galium bolanderi Ellen Dean 2015-5-23 8781 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UCD149696  Galium californicum Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  CDA6658  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa Hills west of Napa Valley between St. Helena and Mt. St. John 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
  UCD121757  Galium divaricatum John Thomas Howell 1943-6-19 18237 Napa West of Napa Valley between St. Helena and Mt. St. John. 228 Comment
  UC1196090  Galium porrigens Joseph P. Tracy 1899-6-26 429 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD118603  Galium porrigens var. porrigens William Goss; 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
  UCD95696  Galium porrigens var. porrigens Ellen Dean; with Clare Loughran 2011-5-20 7034 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  UC168592  Galium triflorum Joseph P. Tracy 1905-7-6 2215 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  UC32029  Gamochaeta ustulata Willis L. Jepson 1893-5-5 Napa sw Napa City; Napa River Basin Comment
  UC1328139  Garrya congdonii Donald V. Hemphill 1940-3-23 63 Napa Snell Valley Snall Valley; Snell Valley 518 Comment
  UC875998  Garrya congdonii John Thomas Howell 1939-5-7 14652 Napa Lower Lake - Knoxville road; at Lake County line Comment
  UCD160728  Garrya congdonii Ellen Dean 2015-5-23 8780 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  RSA41998  Garrya elliptica Ella Dales Cantelow 1939-5-7 2532 Napa Just E of Napa - Lake Co line. Comment
  UC21610  Garrya flavescens Willis L. Jepson 1893-5-2 Napa near Palisades (New Pope Valley grade); Napa River Basin Comment
  UC634834  Garrya fremontii H. L. Mason 1925-1-22 1201 Napa Wooden Valley Grade Comment
  CAS-BOT-BC278653  Gastridium phleoides R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6659 Napa 5 mi. E. of St. Helena on road to Pope Valley 304 Comment
  UCD66609  Gastridium phleoides E. G. Cakin 1947-5-14 Napa Near Chemilele Farm Center, Monticello - Napa road. Comment
  CAS-BOT-BC278654  Gastridium phleoides David D. Keck 1933-5-28 2328 Napa Howell Mountain, 2 miles west of Pacific Union College Comment
  JEPS126067  Geranium carolinianum Jake Ruygt 2006-5-23 5036 Napa Bell Creek. Saint Helena 7.5' Quad. Comment
  RSA0028547  Geranium molle A. C. Sanders 1996-6-1 18195 Napa Napa: southeast edge of town at Skyline Park, east end of Imola Road East. 91 Comment
  UCD20826  Geranium molle N. Nicola 2001-3-30 042 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  UCD23410  Geranium molle Nicholas Ewing 1977-4-16 11 Napa Petals lavender, annual, erect, leaves palmately veined and palmately lobed. Anthers lavender. North facing slope, half sun, foothill woodland. 0.6 miles east along East Bull Canyon, off Highway 128 7.4 miles SSW of Monticello Dam. 152 Comment
  UC1795114  Geranium purpureum Barbara Ertter with Jake Ruygt 1996-4-25 14601 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley Comment
  JEPS69535  Gilia capitata subsp. capitata W. L. Jepson Nov. 1895 20941 Napa sw St. Helena (White Sulphur Spring); sw of St. Helena, White Sulphur Springs Comment
  JEPS110973  Gilia clivorum Jake Ruygt 1983-4-2 1406 Napa east of Green Valley Rd. 432 Comment
  UCD117969  Gilia tricolor G. L. Webster 1967-3-23 7493 Napa 1 mile south of Spanish Flat. 167 Comment
  HSC43997  Gilia tricolor Robert M. Specht 1977-4-14 664 Napa N side of Nevada Creek 512 Comment
  UCD117953  Gilia tricolor Everett H. Everson 1951-4-8 22 Napa 4.8 miles southwest of Monticello, beside road to Napa. Comment
  JEPS110951  Gilia tricolor subsp. diffusa Jake Ruygt 1991-5-11 2671 Napa Little Bear Valley, near Sugarloaf Mtn. 694 Comment
  UCD49198  Gilia tricolor subsp. diffusa C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 19 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; between West Rd. and Decker Bay Trail, N side of creek, just SW and downslope of West Rd. 167 Comment
  UCD167227  Gilia tricolor subsp. diffusa Jake Ruygt 1982-5-1 1217 Napa 3.2 miles north of Loma Vista Drive on Soda Canyon Road. 320 Comment
  JEPS106572  Githopsis specularioides Jake Ruygt 1982-4-25 1201 Napa Swartz Canyon below the falls 426 Comment
  SEINET7072774  Githopsis specularioides A. G. Vestal 1963-5-12 s.n. Napa Howell Mountain Road on the North Slope. UTM Zone 10, 548879mE, 4271447mN. Coordinate datum: NAD 27.) Comment
  UC796478  Githopsis specularioides Ira L. Wiggins 1949-4-30 12075 Napa about 1.5 mi ne Calistoga (along old toll road between Calistoga and Middletown) Comment
  CHSC102254  Glinus lotoides Lowell Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  UCR71524  Glinus lotoides Barbara Ertter, E. Neese 1988-10-2 7966 Napa North Coast Ranges, Lake Hennessey, c. 15 air mi NNW of Napa, on Conn Creek 92 Comment
  UCD85207  Glyceria striata Beecher Crampton 1953-7-14 1515 Napa N.E. slope of Mt. St. Helena, 5 miles south of Middletown. Comment
  UCD167271  Godetia amoena var. sonomensis Jake Ruygt 1993-5-22 3267 Napa Conn Valley Road near Howell Mountain Road. 121 Comment
  UC1746131  Gratiola ebracteata Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2762 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  POM204465  Gratiola ebracteata J. T. Howell 1933-5-21 11322 Napa Napa Comment
  UC517480  Gratiola ebracteata John Thomas Howell 1933-5-21 11322 Napa Napa Comment
  CAS-BOT-BC304888  Grindelia hirsutula Peter H. Raven 1951-9-9 3902 Napa Slaughterhouse Point, Napa River 0 Comment
  CAS-BOT-BC304891  Grindelia hirsutula John Thomas Howell 1932-10-8 10806 Napa Cuttings Wharf on Napa River Comment
  CAS-BOT-BC304903  Grindelia hirsutula John Thomas Howell 1929-8-4 4361 A Napa Flood bed of Pope Creek, one mile below Samuels Springs, Napa Range Comment
  CAS-BOT-BC304904  Grindelia hirsutula Alice Eastwood 1918-9-3 7958 Napa Mt. St. Helena Comment
  CAS-BOT-BC304906  Grindelia hirsutula Peter H. Raven 1952-5-31 4130 Napa Summit of hills s.w. of Rector Canyon 304 Comment
  CAS-BOT-BC304909  Grindelia hirsutula Peter H. Raven 1951-8-21 3870 Napa Ridge s.e. of Mt. Veeder 716 Comment
  CAS-BOT-BC304910  Grindelia hirsutula John Thomas Howell 1930-7-13 5346 Napa Lower slopes of Mt. St. Helena Comment
  POM41961  Grindelia hirsutula Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS106786  Guillenia lasiophylla Jake Ruygt 1989-4-22 2271 Napa east of HWY 121 on HWY 128 Comment
  CAS-BOT-BC302215  Harmonia nutans Joseph P. Tracy 1902-5-20 1565 Napa At Angwin Creek, on Howell Mt. road 457 Comment
  CAS-BOT-BC302221  Harmonia nutans John Thomas Howell 1931-4-2 6075 Napa Wooden Valley Grade 5 miles east of Napa Comment
  CAS-BOT-BC302230  Harmonia nutans Brandegee 1889-4-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC302240  Harmonia nutans David D. Keck 1933-5-28 2329 Napa Howell Mountain, ca. 1 mile southwest of Pacific Union College Comment
  JEPS40057  Harmonia nutans Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. Comment
  UCD170289  Helenium bigelovii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 829 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 441 Comment
  JEPS106684  Helianthella californica subsp. californica Jake Ruygt 1989-4-22 2264 Napa 4.7 miles NE of Atlas Peak Rd. on Monticello Road 329 Comment
  UC897265  Helianthella californica subsp. californica John Thomas Howell 1937-7-4 13057 Napa Wooden Valley Grade Comment
  JEPS33583  Helianthella californica subsp. californica W. L. Jepson 1938-5-25 18863 Napa Bell Canyon Napa Range, Howell Mtn. 579 Comment
  UCD19335  Helianthella californica var. californica M. A. Bibbo; E. Dean 2001-7-6 27 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, along upper road by powerline, ca. 0.4 air miles from jct of W and E roads, on steep N facing slope. 274 Comment
  RSA133703  Helianthemum scoparium var. vulgare John H. Thomas 1955-5-21 5107 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  JEPS35477  Helianthus bolanderi W. L. Jepson 1922-10-22 9837 Napa near mouth of Conn Creek Comment
  CAS-BOT-BC305535  Helianthus bolanderi H. M. Hall 1923-10-12 11927 Napa Northern Napa Co. 16 mi. s.e. of Lowerlake Comment
  RSA92485  Helianthus bolanderi Alice Eastwood, J. T. Howell 1939-8-20 7618 Napa Capell Creek Comment
  JEPS4455  Helianthus californicus W. L. Jepson 1893-9-24 13424 Napa Angwin's Meadows Howell Mountain, 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
  UC897487  Helianthus californicus Lewis S. Rose 1939-8-20 39358 Napa 14 miles E of Rutherford; Chiles Creek Canyon 304 Comment
  CHSC102300  Heliotropium europaeum Lowell Ahart 2009-10-12 16433 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. 437 Comment
  UCD160635  Hemizonella minima Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8727 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 237 Comment
  UCD161733  Hemizonia congesta subsp. congesta Jake Ruygt 2008-8-9 5364 Napa Big Ranch Road, south of El Centro Avenue, Van Winden property. 17 Comment
  CAS-BOT-BC309838  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-8-4 4354 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  JEPS106660  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1981-5-27 1047 Napa American Canyon 137 Comment
  UC222698  Hemizonia congesta subsp. luzulifolia H. M. Hall 1923-10-14 11942 Napa 8 mi w Pope Valley Comment
  UC194222  Hemizonia congesta subsp. luzulifolia H. M. Hall 1916-8-6 10261 Napa 7 km s Napa Comment
  RSA32838  Hemizonia parryi subsp. parryi A. A. Heller 1941-9-22 16318 Napa Just back of the hot springs at Calistoga. 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
  UC31906  Hesperevax sparsiflora var. sparsiflora Willis L. Jepson 1894-5-1 Napa Conn Valley Comment
  SBBG127026  Hesperocyparis macnabiana D. Keil 1986-11-8 19788 Napa Lake Berryessa Knoxville Rd, near Knoxville, 2.3 mi S of turnoff to Homestake McLaughlin Mine/Mill 350 Comment
  UCD110458  Hesperolinon Christopher Mallek 2008-1 KX1- 6 Napa Knoxville. 593 Comment
  CAS-BOT-BC167405  Hesperolinon bicarpellatum Mrs. K. Brandegee 1911-6-29 s.n. Napa Butts [Canon] Canyon, near Aetna Springs Comment
  JEPS32273  Hesperolinon bicarpellatum Joseph P. Tracy 1933-6-2 12480 Napa on hills at head of Moore's Creek (5 mi e of Angwin's); Howell Mountain 396 Comment
  UC1212349  Hesperolinon bicarpellatum Helen K. Sharsmith 1958-10-16 4620 Napa s-facing slope of canyon about 100 ft above creek (road from Pope Valley to Monticello about 3 mi e of Pope Valley, btween Walters Springs and Samuels Springs); Inner North Coast Ranges, Pope Creek Canyon 137 Comment
  UC1212361  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4143 Napa ca 1 mi w Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  UC668041  Hesperolinon bicarpellatum Joseph P. Tracy 1933-6-2 12480 Napa on hills at head Moore's Creek (5 mi e of Angwin's); Howell Mountain 396 Comment
  UCD119647  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Pritchard Hill, south of Lake Hennessey and Highway 128, on lands of Continuum Estate Winery, at end of private road near winery. 427 Comment
  JEPS122784  Hesperolinon breweri Jake Ruygt 1989-4-20 2334 Napa About 3/4 mile south of Monticello Dam on Vaca Mtns. QUAD: Monticello Dam. Comment
  JEPS122842  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 219 Napa Along Pope Valley Road. Comment
  UC1212522  Hesperolinon californicum Helen K. Sharsmith 1951-10-21 4039 Napa w side near creek Chiles Valley (road from Rutherford to Pope Valley); Inner North Coast Ranges 228 Comment
  SEINET5744443 Image available Hesperolinon californicum L. L. Worden 1971-1 33 Napa 20 yards W of lower Chiles Valley Road, 1.7 miles N of its junction with State Hwy 128. Comment
  UCD110499  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4106 Napa Slopes of Sage Canyon, south side of Conn Dam. 76 Comment
  CAS-BOT-BC176058  Hesperolinon clevelandii Peter H. Raven 1950-6-20 2387 Napa Howell Mtn., on NNE side road to Pope Valley Comment
  UC1212326  Hesperolinon clevelandii Helen K. Sharsmith 1952-5-18 4082 Napa 0.5 mi n Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  JEPS112586  Hesperolinon disjunctum Jake Ruygt 1988-5-29 2197 Napa Cedar Valley 603 Comment
  JEPS122857  Hesperolinon disjunctum Adam C. Schneider with Dick O'Donnell 2013-5-28 245 Napa Northern edge of Cedar Roughs Wilderness Area, south of Pope Canyon Rd, 2.5 miles west of junction with Baryessa Knoxville Road. Comment
  SD51675  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa Ca. 1.0 mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Montecello road. 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
  UC1212482  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4119 Napa Knoxville-Monticello road 0.8 mi s Knoxville (above Knoxville Creek); Inner North Coast Ranges 365 Comment
  UCD167299  Hesperolinon disjunctum Jake Ruygt 2010-7-11 5668 Napa Cedar Roughs, south of Guilliame Springs. 624 Comment
  JEPS122777  Hesperolinon micranthum Jake Ruygt 1980-5-13 893 Napa Mt. St. John. QUAD: Rutherford Comment
  JEPS122855  Hesperolinon micranthum Adam C. Schneider with Dick O'Donnell 2013-5-28 239 Napa Capell Valley Road, just southeast of intersection with Knoxville Road Comment
  RSA435707  Hesperolinon micranthum Robert Gustafson, Don Reynolds 1983-6-7 2738 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. 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
  UCD63864  Hesperolinon micranthum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Knoxville Devilhead Road. Cedar Valley. Cedar Creek. UC MacLaughlin Natural Reserve. BLM area. 560 Comment
  UC1212278  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4642 a Napa on branch road of Hwy 128 just above Soda Creek (6.4 mi beyond junction of Hwy 37 with 128 Locality for HKS 4073); Inner North Coast Ranges, Cappell Valley 198 Comment
  UC1212279  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4640 Napa butte at sw end Cappell Valley (end of Hwy 37 where it joins Hwy 128, Locality of HKS 4593); Inner North Coast Ranges 274 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
  JEPS106573  Heterocodon rariflorum Jake Ruygt 1992-6-2 3016 Napa South of Leoma Lakes, Wild Horse Valley Ranch. 429 Comment
  UCD113325  Heteromeles arbutifolia P. J. Plummer 1995-6-5 s.n. Napa Highway 128. 73 Comment
  UCD159954  Heteromeles arbutifolia Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Top of east slope, above Q48. 243 Comment
  RSA10679  Hieracium albiflorum C. B. Wolf 1928-5-3 1808 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD115125  Hirschfeldia incana W. L. Jepson 1922-10-22 9831 Napa St. Helena. Comment
  JEPS101835  Hoita macrostachya Dean W. Taylor 1999-7-20 17290 Napa Crystal Lake (large vernal lake west of Highway 128 and Capell Creek) 350 Comment
  UC1586045  Hoita macrostachya Barbara Ertter with Elizabeth Neese 1988-10-2 7959 Napa s side Rt 128 across from spillway (ca 15 air mi nnw); North Coast Ranges, Conn Creek, Lake Hennessey 91 Comment
  UCD105871  Hoita macrostachya K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  JEPS65628  Hoita macrostachya Willis L. Jepson 1901-8-6 1734 Napa Howell Mt. Napa River Basin Comment
  JEPS65642  Hoita orbicularis Willis L. Jepson 1893-6-26 13589 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  UC419709  Holocarpha virgata subsp. virgata Mrs. H. P. Bracelin 1930-10-19 117 A Napa Pope Valley, near school Pope Valley Comment
  JEPS45044  Holodiscus discolor W. L. Jepson 1923-6-3 9973 Napa south of Calistoga; Napa Valley; East side road. S. of Calistoga, Napa 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
  CAS-BOT-BC149994  Holodiscus discolor var. discolor G. Douglas Barbe 1957-7-4 368 Napa NW of Christian Bros. Mt. LaSalle School, abt. 0.6 mi. SE of road (6.6 miles west of State Hwy 29 on Redwood Road) Comment
  CAS-BOT-BC149996  Holodiscus discolor var. discolor Peter H. Raven 1951-8-19 3850 Napa Near Lokoya 487 Comment
  JEPS106641  Holozonia filipes Jake Ruygt 1982-6-21 1334 Napa Suscol plain 4 Comment
  CAS-BOT-BC315790  Holozonia filipes Edward Lee Greene 1881-10-1 s.n. Napa Napa Valley, near Calistoga 90 Comment
  UCD36306  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1953-5-19 1308 Napa Chiles Valley. Digger Pine belt. 10 miles west of Monticello, along Hwy. 128. Comment
  JEPS122922  Hordeum brachyantherum subsp. californicum Jake Ruygt 1996-5-31 3724 Napa South of James Creek Road and Butts Canyon Road, Pope Valley. Quad: Aetna Springs. Comment
  UCD41315  Hordeum marinum subsp. gussoneanum Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 6 Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
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Jan 14 2009
  UCD85829  Hordeum marinum subsp. gussoneanum Beecher Crampton 1956-5-25 3468 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD85898  Hordeum marinum subsp. gussoneanum R. Tofsrud 1949-1 s.n. Napa Between Montecello and Knoxville Comment
  CAS-BOT-BC284762  Hordeum murinum subsp. glaucum Peter H. Raven 1950-4-15 1704 Napa Napa 9 Comment
  UCD168567  Hordeum murinum subsp. leporinum Stephen P. Rae; A. Solomeshch 2007-3-17 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  JEPS110558  Horkelia californica subsp. dissita Jake Ruygt 1982-6-29 1349 Napa .2 mile south south of Old Bale Mill on west side of HWY 29 97 Comment
  UC1198714  Horkelia californica subsp. dissita J. P. Tracy 1899-6-14 374 Napa 3-4 mi e Angwin's (Head of Moore's Creek); Howell Mountain, Moore's Creek Comment
  UCD32907  Hosackia crassifolia Beecher Crampton 1965-6-17 7423 Napa Solano-Napa Counties, Vaca mountains, ridge of Mt. Vaca. 859 Comment
  UCD166690  Hypericum anagalloides Jake Ruygt 1982-6-29 1347 Napa on east side of Hwy 29, 0.3 mi south of Old Bale Mill. 88 Comment
  POM285807  Hypericum androsaemum R. C. Bacigalupi 1928-06 1876 Napa Howell Mt., 10 mi. west of St. Helena Comment
  UC19037  Hypericum concinnum Willis L. Jepson Jul 1 1892-Aug 1 1892 Napa Knoxville Comment
  UCSB4123  Hypericum concinnum Chisaki, Francia; Kamb, Peter 1950-6-9 Napa Road to Monticello; about 20 miles south of Lower Lake 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
  UCD133461  Hypochaeris radicata Heidi E. M. Dobson 1978-6-14 340 Napa east slope of Mt. Veeder. Comment
  RSA135911  Iris fernaldii Lee W. Lenz, E. K. Balls 1955-5-17 20763 Napa 7.6 miles south of Lake-Napa County line to State Highway 29, Middletown to Calistoga 442 Comment
  SEINET4170694  Iris fernaldii Unknown 1966-5-7 Napa St. Hwy 128, 15 mi. NW of Rutherford. 152 Comment
  JEPS126070  Iris longipetala Jake Ruygt 1999-4-24 4138 Napa Sugarloaf State Park, N of Bald Mountain McCormick Ranch Area. Kenwood 7.5' Quad. Comment
  JEPS126027  Iris macrosiphon Jake Ruygt 1976-5-2 42 Napa 3.4 miles NE of Atlas Peak Road on Monticello Road. Mount George 7.5' Quad. Comment
  JEPS17332  Iris macrosiphon W. L. Jepson 1900-3-10 516 Napa Howell Mt. Comment
  UCD138788  Iris macrosiphon H. Popenoe 1949-5-1 16 Napa Napa Valley: one mile from Pacific Union College on Pope Valley Road. 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
  UCD138760  Iris macrosiphon Alan P. Godlewski 1974-5-3 23 Napa West of Lake Berryessa. 100 yards from Highway 128. Comment
  JEPS103967  Isoetes nuttallii Jake Ruygt 1990-4-28 2517 Napa Bear Valley 655 Comment
  JEPS129148  Iva axillaris Jake Ruygt 1981-7-20 1071 Napa Napa Airport. Cuttings Wharf 7.5' Quad. Comment
  CDA39577  Juglans hindsii T. C. Fuller, Q. L. Holdeman 1971-11-2 19938 Napa Above end of Circle Oaks Dr., just north of marker 121 NAP 18.40, Monticello Road, ca. 9 miles northeast of Napa. 0 Comment
  JEPS122667  Juncus bolanderi Jake Ruygt 1991-6-29 2738 Napa Friesen Drive about 0.2 mile south of Lake Henne. Quad: St. Helena. Comment
  JEPS126038  Juncus bolanderi Jake Ruygt 1992-8-31 3137 Napa Between Mitten Lake and Leoma Lakes, Wilde Horse Valley Ran. Mount George 7.5' Quad. Comment
  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
  UCD166697  Juncus bufonius var. bufonius Jake Ruygt 3 May1992 2925 b Napa Napa, Skyline Park. 143 Comment
  UC14891  Juncus hemiendytus var. hemiendytus J. P. Tracy 1902-5-18 1534 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Head of Moores Creek 518 Comment
  JEPS67097  Juncus occidentalis Willis L. Jepson 1894-5-1 40 a Napa Upper Conn Valley Napa River Basin Comment
  UCD168533  Juncus occidentalis Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD20752  Juncus oxymeris M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 101 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
  RSA517031  Juncus patens W. L. Jepson 1936-6-1 17577 Napa West side of Four Corners, Howell Mt., Napa Range. Comment
  UC1151996  Juncus phaeocephalus var. paniculatus Joseph P. Tracy 1938-6-6 15847 Napa about 5 mi n Napa Comment
  CAS-BOT-BC237851  Keckiella lemmonii Rimo Bacigalupi 1928-6-20 1873 Napa Howell Mt 10 miles west of St Helena Comment
  UC1178880  Kickxia elatine Herbert L. Mason 1942-9-29 12557 Napa 2 mi n Calistoga (bed of Napa River); Napa River Comment
  JEPS76091  Koeleria macrantha W. L. Jepson 1938-5-24 18845 Napa Plateau n of Four Corners Howell Mountain (Napa Range); , Howell Mountain 762 Comment
  UCD36946  Koeleria macrantha Beecher Crampton 1956-5-25 3474 Napa Southeastern Capell Valley. Comment
  UCD37404  Koeleria macrantha Beecher Crampton 1960-5-17 5532 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  UCD85738  Koeleria macrantha Beecher Crampton 1956-5-25 3474 Napa Southeastern Capell Valley. Comment
  CAS-BOT-BC26054  Lagophylla dichotoma subsp. minor David D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring. Comment
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Mar 3 2018
  CAS-BOT-BC341429  Lagophylla minor Betty H. Johnson 1958-6-15 620 Napa Near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  JEPS129021  Lagophylla minor Jake Ruygt 2016-5-7 6233 Napa Smittle Creek west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  CAS-BOT-BC341426  Lagophylla minor Milo S. Baker 1932-4-26 5962 Napa Near Eastern side of Pope Val. along Monticello Hwy. Comment
  SEINET3860269  Lagophylla minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just S of Walters Spring.; 0 Comment
  UC89207  Lagophylla ramosissima Mrs. K. Curran 1888-8-1 Napa Howell Mountain Comment
  UCD20733  Lagophylla ramosissima Ellen Dean; w/ Mark Bibbo 2002-6-17 1098 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Dead Man's Hill, along trail to top. 365 Comment
  UCD133620  Lagophylla ramosissima K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  RSA3634  Lamium amplexicaule I. L. Wiggins 1932-2-12 5749 Napa Growing in orchard 1 mi. N. of town, Calistoga. Comment
  JEPS106675  Lasthenia californica Jake Ruygt 1996-4-22 3623 Napa Lewelling Ranch, St. Helena. 88 Comment
  JEPS106677  Lasthenia californica Jake Ruygt 1990-4-1 2455 Napa White Creek, Wild Horse Valley Ranch 371 Comment
  CAS-BOT-BC338268  Lasthenia californica John Thomas Howell 1926-3-27 1749 Napa Soscol Comment
  UC172586  Lasthenia californica subsp. californica H. P. Chandler 1907-4-25 7540 Napa Chiles Valley road Comment
  UCD63160  Lasthenia glaberrima Jake Ruygt 1993-4-18 3211 Napa west of west end of Rio DelMar Drive, American Canyon. 2 Comment
  UCD133773  Lasthenia gracilis J. D. Clark 1995-5-27 11 Napa on trail between 1/4 - 3/4 mile from trailhead at Highway 29. Trailhead begins on the east side of Highway 129 across from the Robert Lewis Stevenson State Park parking lot. 548 Comment
  UCD96188  Lathyrus cicera Ellen Dean; with Clare Loughran 2011-5-20 7072 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
  JEPS107271 Image available Lathyrus hirsutus Jake Ruygt 1980-5-24 901 Napa end of pavement, Kortum Canyon Rd. 246 Comment
  UCD15615  Lathyrus latifolius Lisa Montany 1985-6-1 36 Napa Highway 128, 7 miles west of Silverado trail. 243 Comment
  RSA195353  Lathyrus nevadensis subsp. nevadensis Gilbert Muth 1967-3-31 595 Napa Old Howell Mountain road. 457 Comment
  UCD75720  Lathyrus odoratus Jake Ruygt 1983-4-30 1448 Napa 0.1 mile east of Hwy. 29 on Jameson Canyon Rd. 22 Comment
  UC1279970  Lathyrus tingitanus Peter H. Raven 1957-5-5 10756 Napa Calistoga Comment
  UCD75719  Lathyrus tingitanus Jake Ruygt 1979-5-6 581 Napa Mt. St. Helena. 182 Comment
  UCSB3114  Lathyrus vestitus Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway 37, 500 feet above valley floor 304 Comment
  RSA15677  Lathyrus vestitus subsp. vestitus Carl B. Wolf 1928-2-25 1491 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UC650499  Lathyrus vestitus var. vestitus Ira L. Wiggins 1928-3-25 2884 Napa 1.5 mi ne Calistoga Comment
  UCD21552  Lathyrus vestitus var. vestitus A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 6 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek. 313 Comment
  CAS-BOT-BC323192  Layia chrysanthemoides David D. Keck 1931-4-2 1045 Napa 4 miles S of Monticello, eastern Napa County. Comment
  RSA261531  Layia chrysanthemoides Gilbert Muth 1971-4-10 1393 Napa Snell Valley, W side of extreme NW arm-tip of Lake Berryessa, northern Napa County. 152 Comment
  JEPS106618  Layia gaillardioides Jake Ruygt 1980-4-22 841 Napa Pope Canyon Rd. at Walter Springs bridge (old) 195 Comment
  HSC43963  Layia platyglossa Robert M. Specht 1977-4-11 621 Napa Along drainage of Pocock Creek 500 Comment
  UCD63159  Layia septentrionalis Jake Ruygt 1980-4-13 834 Napa North of Snell Valley over ridge. 256 Comment
  RSA92952  Lemna minor Peter H. Raven 1951-6-24 3029 Napa Carneros Creek at Highway 27, near Sonoma county line 244 Comment
  RSA537691  Lemna minuta L. R. Heckard 1964-5-23 1362 Napa Cleary Reserve (Nature Conservancy), which is about 2 miles southwest of Aetna Springs 366 Comment
  CAS-BOT-BC534948  Lemna minuta Evelina Cannon 1901-7-15 s.n. Napa Johannisberg Comment
  CDA10864  Lepechinia calycina G. F. Hrusa, M. Rejmanek 1993-5-15 10959 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD74400  Lepidium acutidens Jake Ruygt 1994-2-23 3300 Napa Tubbs Lane at Myrtledale Rd., Calistoga. 122 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
  JEPS106833  Lepidium latifolium Jake Ruygt 1994-6-17 3404 Napa Fagan Slough 1 Comment
  JEPS115756  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 130 Comment
  JEPS106789  Lepidium nitidum var. nitidum Jake Ruygt 1982-3-2 1111 Napa north of HWY 12 near Huichica Creek 103 Comment
  JEPS106832  Lepidium strictum Jake Ruygt 1982-3-17 1131 Napa Suscol plain along HWY 29 (221) 8 Comment
  RSA137126  Leptosiphon androsaceus Verne Grant 1960-4-13 10189 Napa A few miles E. of Angwin on summit of road from St. Helena to Pope Valley. 518 Comment
  UCD118587  Leptosiphon androsaceus G. F. Hrusa; R. Cole, D. Anderson 1995-3-26 12025 Napa University of California Quail Ridge Reserve, open grasslands at entrance gate. 290 Comment
  UCD118593  Leptosiphon androsaceus G. L. Stebbins 1983-5-8 C 3115 Napa Chiles Valley area. Comment
  UCD49204  Leptosiphon androsaceus A. Collier; D. Caterson and S. Kenady 2002-5-4 17 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. On a shady E slope with Quercus sp. overstory and grassy understory. 304 Comment
  SEINET14160510  Leptosiphon androsaceus M. J. Williams 1967-5-7 s. n. Napa Howell Mountain, between St. Helena and Angwin 259 Comment
  CAS-BOT-BC226689  Leptosiphon jepsonii Carl B. Wolf 1928-5-3 1792 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  UCD118108  Leptosiphon parviflorus Megan Mateo; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just northeast of fire station along undeveloped road. Northwest side of road near fork in road. 519 Comment
  UCD118393  Leptosiphon parviflorus Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD49235  Leptosiphon parviflorus S. Murphy; K. Keck and K. Dyer 2002-5-5 1 Napa Quail Ridge UC Reserve, northern tip of ridge, near junction of West and East roads, 15 m from S edge of stock pond. 328 Comment
  OBI11414  Leptosiphon parviflorus R. L. Hoover 1968-4-20 48 Napa Collected on Howell Mountain Road, 2.6 miles NE of State Routes 29/128, on west side of road. Comment
  JEPS106605  Lessingia hololeuca Jake Ruygt 1992-8-3 3115 Napa east of Spencer Creek near Solano County line 313 Comment
  UCD69064  Lessingia nemaclada P. Rodriguez-Rojo 1997-5-31 Napa Butts Canyon Rd. 285 Comment
  UC570411  Lessingia ramulosa Chas. M. Belshaw and A. L. Mason 1936-9-20 2688 Napa 3 mi nw Knoxville; North Inner Coast Range Comment
  JEPS112614  Lewisia rediviva Jake Ruygt 1991-5-11 2670 Napa Little Bear Valley, north of Sugarloaf Mountain 694 Comment
  SEINET7075535  Lewisia rediviva A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  RSA195305  Lewisia rediviva Gilbert Muth 1967-4-16 644 Napa Snell Valley near bridge Comment
  RSA195344  Lewisia rediviva Gilbert Muth 1967-5-17 684 Napa Summit of Oat Hill Road 671 Comment
  CAS-BOT-BC444465  Lewisia rediviva var. rediviva Alice Eastwood 1915-6-6 4666 Napa Mt. St. Helena Comment
  JEPS76054  Leymus triticoides W. L. Jepson 1937-7-16 18451 Napa Oakville Napa Valley Comment
  UCD161607  Ligusticum apiifolium Jake Ruygt 1999-5-23 4171 Napa upper Ritchey Creek trail, Bothe State Park. 350 Comment
  CAS-BOT-BC451587  Lilaea scilloides Peter H. Raven 1953-5-2 5364 Napa East of Yountville 76 Comment
  CAS-BOT-BC132956  Lilium rubescens Tom Craig 1941-6-18 s.n. Napa Trinity Road, east slope Comment
  UCSB27470  Lilium rubescens Havlik, Neil 1969-6-29 Napa About 2 miles from State Highway 29 Comment
  UCD116464  Limnanthes alba subsp. alba K. Esau 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  JEPS112565  Limnanthes douglasii subsp. nivea Jake Ruygt 1991-5-18 2686 Napa .6 mi. NW of Howell Mtn. Rd. on Butts Canyon Rd. 222 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
  SEINET11262762  Linanthus acicularis Peter H. Raven 1951-4-8 2766 Napa Yountville to Rutherford.; 0 76 Comment
  UC146064  Linanthus androsaceus H. P. Chandler 1907-4-25 7539 Napa Chiles Valley Comment
  SEINET5732161 Image available Linanthus androsaceus Peta Lewis 1967-1 17 Napa Across from Monticello Dam, on State Highway 128.; Monticello Dam Comment
  JEPS111000  Linanthus bicolor Jake Ruygt 1976-4-23 16 Napa 1.9 miles NE of Silverado Trail on Deer Park Rd. 188 Comment
  UCD20384  Linanthus dichotomus K. Esau 1938-4-13 s.n. Napa Highway between Monticello and Napa. Comment
  JEPS58118  Linanthus jepsonii E. V. Ferguson 1920-5-15 349 Napa Pope Valley Comment
  JEPS58233  Linanthus jepsonii W. L. Jepson 1924-4-6 10315 Napa Conn Valley Napa Range 91 Comment
  JEPS110972  Linanthus jepsonii Jake Ruygt 2005-5-11 4828 Napa Bear Valley, near Van Ness Creek 640 Comment
  UC1238002  Linanthus parviflorus John Weiler 1961-4-16 6181 Napa 2 mi s Napa State Hospital (along State Highway 12) Comment
  UC23783  Linanthus parviflorus Willis L. Jepson 1893-4-24 Napa e of St. Helena; Napa River Basin Comment
  UCD110568  Linum bienne Irving Grover 1959-5-15 s.n. Napa Near Napa. Comment
  JEPS37849  Lithocarpus densiflorus Willis L. Jepson 1903-9-6 2354 Napa York Creek Canyon Napa River Basin, St. Helena (St. Helena) Comment
  UC521697  Lithocarpus densiflorus Joseph Andorfer Ewan 1933-9-17 8004 Napa Mt. St. Helena; near entrance to mine Comment
  JEPS47510  Lithophragma affine W. L. Jepson 1910-3-28 4029 Napa Rebecca Ranch grade sw Calistoga; sw of Calistoga Comment
  SFV8647  Lithophragma affine P. W. Fong 1971-5-1 57 Napa McDonald Ranch, about 20 miles northwest of intersection of State Highways 121 and 128 on Chiles Valley Road. North facing slope near top of small hill. 244 Comment
  JEPS112567  Lithophragma heterophyllum Jake Ruygt 1996-4-9 3567 Napa Wantrop Wildlife Sanctuary 493 Comment
  UCD63176  Logfia filaginoides Jake Ruygt 1996-4-27 3630 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 243 Comment
  UCSC009036  Logfia filaginoides Dylan M. Neubauer 2015-4-26 138 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction with Snell Valley Road 200 Comment
  JEPS106958  Logfia gallica Jake Ruygt 1983-5-30 1482 Napa Redwood Rd., Napa 30 Comment
  UCD73448  Logfia gallica 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
  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
  UCR23398  Lomatium John C. Roos 1939-3-18 302 Napa North Coast Range, Snell Valley, near Angwin 183 Comment
  JEPS104544  Lomatium californicum Jake Ruygt 1994-3-26 3334 Napa .4 mile south of Wooden Valley Croos Rd on Suisun Valley Road 79 Comment
  UCR178676  Lomatium californicum K. Mogel, M. Higley, B. Pekin 2002-5-4 009 Napa Vaca Mtns, Quail Ridge UC Reserve. Northern tip of ridge, N of the junction of West and East roads, c. 1000 ft along the lower road that leads to the power lines, immediatly downslope of road 305 Comment
  POM133002  Lomatium californicum C. F. Baker 1909-4-20 2602 Napa Mt. St Helena. Comment
  JEPS122699  Lomatium caruifolium var. denticulatum Jake Ruygt 2004-5-1 4587 Napa Green Valley Ranch, northeast of ranch compound. Quad: Mt. George. Comment
  SEINET2159284  Lomatium ciliolatum var. hooveri W. H. Whaley 2007-1 s.n. Napa Aetna Springs area. Comment
  UCD48425  Lomatium dasycarpum S. Murphy; K. Keck and K. Dyer 2002-5-5 11 Napa Quail Ridge UC Reserve, northern tip of ridge, along southern edge of upper road leading to power lines and tip parcels, north from the intersection of West and East roads ca. 450 m. 327 Comment
  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
  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
  UCD148109  Lomatium dasycarpum subsp. dasycarpum Jake Ruygt 1979-4-6 485 Napa Napa County; on Snell Valley Rd. 0.3 mi. east of Butts Canyon Rd. 207 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
  UCD18069  Lomatium hooveri Ellen Dean; with Plant Biology 102 class 2000-4-22 624 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  UCD47859  Lomatium hooveri E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 16 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on east side of dirt road. 390 Comment
  UCD47860  Lomatium hooveri D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa, and K. Watts 2000-4-28 7 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., south path. 545 Comment
  UCD95930  Lomatium macrocarpum Ellen Dean; with Clare Loughran 2011-5-20 7060 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 612 Comment
  UCD63188  Lomatium macrocarpum Jake Ruygt 2005-4-17 4762 c Napa Bear Valley. 615 Comment
  JEPS17099  Lomatium marginatum var. purpureum W. L. Jepson 1924-5-8 10417 Napa Napa Range, Chiles Valley Comment
  HSC81596  Lomatium marginatum var. purpureum Thomas W. Nelson, Jane P. Nelson 1980-5-3 5159 Napa Junction of Butts Canyon Rd. & Snell Valley Rd. 197 Comment
  CAS-BOT-BC217801  Lomatium repostum Peter H. Raven 1951-6-10 2913 Napa Crater Regoin, E. of Mt. St. Helena 762 Comment
  UCD164769  Lomatium repostum Jake Ruygt 2014-5-19 5940 Napa Sutro Ranch, Atlas Peak. 743 Comment
  CDA11321  Lomatium utriculatum G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12027 Napa at entrance gate, UC Quail Ridge Reserve Comment
  JEPS104473  Lomatium utriculatum Jake Ruygt 1994-3-26 3337 Napa .4 mile south of Wooden Valley Cross Rd on Suisun Valley Road 85 Comment
  UC140582  Lomatium utriculatum C. F. Baker 1903-4-20 2621 Napa Mt. St. Helena Comment
  UCD127802  Lomatium utriculatum Moacyr Maestri 1965-3-19 7 Napa Dollarhide Road, ca. 3.5 miles east of Pope Valley. Comment
  UCD47867  Lomatium utriculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 25 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  SEINET5744663 Image available Lomatium utriculatum Carl Luhn 1960-1 30 Napa State Hwy 128, 0.25 mile S of junction with Wragg Canyon Road and ca. 5 miles SW of Monticello Dam.; Monticello Dam Comment
  JEPS106725  Lonicera hispidula var. vacillans Jake Ruygt 1998-7-18 4092 Napa Bear Valley 640 Comment
  JEPS106727  Lonicera interrupta Jake Ruygt 1979-6-3 676 Napa Oat Hill Mine Rd. north near Kidd Canyon 563 Comment
  JEPS85045  Lotus Larry Heckard and Mary Ashton 1969-5-3 2189 Napa ca 7 mi ne Napa (Mead Ranch, off Atlas Peak Rd) 457 Comment
  JEPS107215  Lotus crassifolius var. crassifolius Jake Ruygt 1998-5-18 3973 Napa north of Mt. Vaca on ridgeline. 804 Comment
  UCD23429  Lotus humistratus Rebecca L. Moehlmann 1977-4-16 9 Napa Yellow zygomorphic flower, root nodules. Pubescent stems, leaves, sepals. Full sun. Foothill woodland with blue oak and digger pine. West side of Hwy 128, 6.4 miles southwest of Monticello Dam, roadside. Wragg Canyon. 182 Comment
  SEINET7072565  Lotus micranthus A. G. Vestal 1963-5-12 s.n. Napa Howell Mountain Road. Coordinate datum: NAD 27. UTM Zone 10, 548701mE, 4271193mN. Comment
  UC15636  Lotus micranthus Willis L. Jepson Apr 1893 Napa near St. Helena; Napa River Basin Comment
  UC1236514  Lotus scoparius John H. Thomas 1955-5-21 5109 Napa about 6 mi from Napa (near State Highway 37, Sarco Creek drainage); Sarco Creek 243 Comment
  JEPS55897  Lotus scoparius Willis L. Jepson 1893-6-26 13805 Napa grade to Howell Mt. Napa River Basin Comment
  RSA131376  Lotus scoparius var. scoparius John H. Thomas 1955-5-21 5109 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  JEPS107201  Lotus strigosus Jake Ruygt 1996-4-6 3560 Napa East end of Rector Reservoir. 152 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
  RSA13515  Lupinus affinis H. P. Bracelin 1932-4-17 234 Napa Four miles south of Yountville. Comment
  CAS-BOT-BC198367  Lupinus albifrons C. B. Wolf 1928-2-25 1490 Napa On Mt. St. Helena Grade, 2 miles below Hawkins Mt. Camp Comment
  UC402911  Lupinus albifrons Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George; nw flanks of Mt. George Comment
  CAS-BOT-BC201550  Lupinus albifrons var. albifrons E. K. Balls 1952-5-8 8743 Napa 2.8 mi. W. from Calistoga on rd. to Santa Rosa, via. Petrified Forest Comment
  JEPS107230  Lupinus bicolor Jake Ruygt 1980-5-13 889 Napa Campbell Flat, Mt. St. John 316 Comment
  UC75245  Lupinus bicolor C. F. Baker Apr 1903 1988 Napa Calistoga Comment
  UCD18166  Lupinus bicolor 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
  UC126964  Lupinus bicolor Willis L. Jepson 1893-4-27 Napa Napa City; Napa River Basin, Napa City Comment
  SEINET10488633  Lupinus chamissonis Charles Piper Smith 1947-5-5 Smith 47202 Napa Cordelia, 3.4 mi. W, hwy 40. Comment
  POM181684  Lupinus densiflorus var. aureus Williams 1927-4-15 s.n. Napa Hills. Comment
  UC127048  Lupinus formosus Willis L. Jepson 1893-9-24 Napa Angwin's Meadows, Howell Mt. Napa River Basin Comment
  UC15866  Lupinus formosus W. H. Brewer 1861-11-5 857 Napa Napa Valley; ; Fields near Camp 64 (modern Yountville) fide FB Comment
  UCD73495  Lupinus formosus Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC196167  Lupinus formosus C. F. Sonne April 1888 Napa field near Napa Junction Comment
  RSA79064  Lupinus formosus var. formosus E. K. Balls, Lee W. Lenz 1952-5-8 17105 Napa 2.8 miles west from Calistoga, road to Santa Rosa via Petrified Forest. 91 Comment
  HSC2123  Lupinus latifolius C. B. Wolf 1928-5-3 1819 Napa Hawkins Mt. Inn Camp, Mt. St. Helena Grade Comment
  UCD108110  Lupinus latifolius K. Esau; E. Hyde 1940-5-25 s.n. Napa Exact location unknown. Comment
  POM10765  Lupinus latifolius subsp. latifolius C. F. Baker 1903-4-20 2623 Napa Mt. St. Helena. Comment
  UC142911  Lupinus latifolius var. latifolius Katharine Brandegee 1910-5-18 Napa near the Toll House Mt. St. Helena; , near the Toll House Comment
  SEINET12165968  Lupinus leucophyllus W. Knight, Knight, I. 1985-1 6348 Napa Chiles Valley 290 Comment
  CHSC79163  Lupinus microcarpus Beecher Crampton 1954-5-6 1833 Napa Hwy. 37, 9 miles south of Monticello. Comment
  UCD161788  Lupinus microcarpus Jake Ruygt 1998-4-27 3946 Napa Foley Creek Basin, west ridge, east of Berryessa-Knoxville Road. 414 Comment
  JEPS107217  Lupinus microcarpus var. densiflorus Jake Ruygt 1989-5-24 2348 Napa Fagan Creek at South Kelly Rd. 21 Comment
  OBI48332  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jctn Hwy 29 in Rutherford, 3.6 mi W jct Lower Chiles Valley Rd Comment
  OBI48333  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jctn Hwy 29 in Rutherford, 3.6 mi W jct Lower Chiles Valley Rd Comment
  SEINET239734  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa Rocky roadside CA 128 E. 7.4 mi E jct. Hwy 29 in Ruthford. 3.6 mi w jct. lower Chiles Valley Rd. Comment
  JEPS107245  Lupinus nanus Jake Ruygt 1980-3-30 821 a Napa St.Helena High School 70 Comment
  JEPS107247  Lupinus nanus Jake Ruygt 1994-3-15 3315 Napa Chiles Canyon Road about 1 mile from Chiles Valley 350 Comment
  JEPS65362  Lupinus nanus W. L. Jepson 1915-4-23 6241 Napa hills e St. Helena; hills e of St. Helena Comment
  UC126975  Lupinus nanus Willis L. Jepson 1893-5-2 Napa near Palisades (ne<?> Pope Valley grade); Napa River Basin, ne<?> Pope Valley grade Comment
  UC150120  Lupinus nanus H. P. Chandler 1907-4-16 7516 Napa St. Helena Comment
  UCD48960  Lupinus nanus C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 20 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; between West Rd. and Decker Bay Trail, N side of creek, just SW and downslope of West Rd. 167 Comment
  JEPS65366  Lupinus nanus W. L. Jepson 1900-3-10 536 Napa Howell Mt.; Howell Mt., Crystal Springs Comment
  UCD109267  Lupinus nanus Collector Unknown 1925-4-15 1741 Napa Davis. Comment
  UCD167065  Lupinus nanus Jake Ruygt 2001-4-16 4306 Napa Big Ranch Road (Van Winden property). 16 Comment
  JEPS126089  Lupinus pachylobus Jake Ruygt 1995-6-3 3485 Napa Mount St. Helena, 100 yards from Highway 29 summit. Detert Reservoir 7.5' Qua. Comment
  CAS-BOT-BC202223  Lupinus sericatus Charles Piper Smith 1932-5-15 4658 Napa St. Helena Inn, highway 29 Comment
  CAS-BOT-BC202224  Lupinus sericatus Charles Piper Smith 1947-6-19 47525 Napa Highway 29, Mt. St. Helena (Calistoga, 9.8 miles north) Comment
  CAS-BOT-BC202226  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
  CAS-BOT-BC202229  Lupinus sericatus Alice Eastwood 1915-6-6 4668 Napa Mt. St. Helena Comment
  UC725353  Lupinus sericatus A. A. Heller 1940-5-6 15586 Napa just below the crossing of State Highway #29 e side Mt. St. Helena; e side of Mt. St. Helena Comment
  POM202756  Lupinus vallicola subsp. apricus I. L. Wiggins 1932-3-12 5765 Napa Between Franz Valley and Calistoga. Comment
  UCD95924  Luzula comosa Ellen Dean; with Clare Loughran 2011-5-20 7057 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  UCD167086  Luzula comosa var. comosa Jake Ruygt 2010-4-9 5495 Napa Moore Creek Canyon about 0.1 miles north of parking area. 243 Comment
  CAS-BOT-BC441242  Luzula macrantha Alice Eastwood 1922-5-4 11260 Napa Calistoga 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
  UC127158  Lythrum hyssopifolia Harley P. Chandler Sep 7 1906-Sep 14 1906 7100 Napa Howell Mountain, Alta Loma Ranch Alta Loma Ranch; Howell Mountain, Alta Loma Ranch 487 Comment
  UCD19326  Lythrum hyssopifolia M. A. Bibbo; E. Dean 2001-7-6 18 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline on N edge of water hole downslope of the road. 320 Comment
  CAS-BOT-BC343833  Madia elegans Alice Eastwood 1918-9-3 7966 Napa Calistoga Comment
  CAS-BOT-BC343834  Madia elegans Alice Eastwood 1918-9-3 7957 Napa Mt. St. Helena Comment
  CAS-BOT-BC343836  Madia elegans Walter Knight; Irja Knight 1963-10-20 362 Napa Beringer Ranch, Spring Mt. Rd. Town of St. Helena 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
  POM285001  Madia elegans subsp. elegans Lyman Benson 1933-8-23 5686 Napa Mt. St. Helena, Mayacamas mountain range, Napa Valley watershed 305 Comment
  CAS-BOT-BC344450  Madia exigua John H. Thomas 1955-5-21 5135 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS106546  Madia exigua Jake Ruygt 1982-5-15 1258 Napa Stags Leap-Soda Canyon 426 Comment
  CAS-BOT-BC344445  Madia exigua David D. Keck 1933-5-28 2327 Napa Howell Mountain, 2 miles west of Pacific Union College Comment
  JEPS106551  Madia gracilis Jake Ruygt 1983-6-1 1485 Napa HWY 12 at Sonoma Co.line 94 Comment
  UCD20728  Madia gracilis Ellen Dean; w/ Mark Bibbo 2002-6-17 1106 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 188 Comment
  CAS-BOT-BC343192  Madia gracilis Bruce G. Baldwin 1986-4-28 601 Napa 3.3 miles west of junction with Lower Chiles Valley Road along California State Highway 128 Comment
  CAS-BOT-BC343205  Madia gracilis H. M. Hall 1931-5-26 13088 Napa Napa Range, west side Comment
  RSA503991  Madia nutans B. G. Baldwin 1987-4-26 652 Napa Las Posadas State forest (Howell Mountain), immediately north of dirt toad leading east from Las Posadas Fire Station, less than 0.1 mile east of station. Comment
  SD27912  Madia nutans Carl B. Wolf 1928-5-3 1782 Napa 5.0 miles north of Calistoga; Mt. St. Helena Grade. Comment
  JEPS40221  Madia sativa Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  CAS-BOT-BC345055  Madia sativa A. A. Heller 1902-5-24 5603 Napa Near Napa Comment
  UCD166657  Maianthemum stellatum Jake Ruygt 1999-4-24 4132 Napa Partrick Road. 85 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
  JEPS122720  Malacothamnus fremontii Jake Ruygt 1986-7-5 1858 Napa Berryessa-Knoxville Road at mile 24.45. Quad: Knoxville. 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
  UCD69017  Malacothrix floccifera P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. On serpentine rocks. UTM: 10SEN6659 155 Comment
  UCD73411  Marah fabacea Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  UCD48564  Matricaria discoidea Kook-Hyun Chung; J. Deusterman, C. Ineich, M. Hauselt 2001-4-28 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd., N of jct with South Decker Canyon Rd. 176 Comment
  POM262794  Medicago arabica J. C. Roos 1939-5-2 292 Napa Angwin Comment
  CHSC25141  Medicago polymorpha J. E. Beitler 1970-4-19 29 Napa St. Helena. Found ca. 25 yards W of York Creek bridge on York Lane 3 ft. in from N. side of the road. Comment
  CDA10875  Melica californica G. F. Hrusa, M. Rejmanek 1993-5-15 10970 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  SACT001486  Melica californica John Willoughby 1975-5-25 Napa collected along BLM road which intersects Morgan Valley Road North of Knoxville and heads southwest to Cedar Valley Comment
  CHSC60172  Melica geyeri T. B. Devine 1980-4-12 697 Napa On Hwy. 29 ca 4 1/2 mi. sw of Robert Louis Stevenses State Park. Comment
  UCD87300  Melica geyeri Collector Unknown 1928-4-15 s.n. Napa Blake College -- east of Pacific Union College. Comment
  UCD96193  Melica geyeri Ellen Dean; with Clare Loughran 2011-5-20 7074 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  CAS-BOT-BC264213  Melica torreyana unspecified 1870-5-22 s.n. Napa Oakville Comment
  CAS-BOT-BC264214  Melica torreyana Peter H. Raven 1953-3-29 5219 Napa Hills e. of Imola 121 Comment
  CAS-BOT-BC264216  Melica torreyana Peter H. Raven 1957-5-5 10760 Napa Hills at western edge of Calistoga 152 Comment
  CAS-BOT-BC264219  Melica torreyana Carl B. Wolf 1928-5-3 1812 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  POM182711  Melica torreyana D. D. Keck 1931-4-2 1018 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  SBBG115838  Melica torreyana B. Crampton 1958-4-29 4756 Napa Capell Crks, N end of Capell Valley Comment
  UCD88834  Melica torreyana Beecher Crampton 1956-5-25 3472 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD73499  Melissa officinalis Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC52221  Mentzelia laevicaulis var. laevicaulis Mrs. Silas Dimock Sept 1903 Napa St. Helena Comment
  UC419720  Mentzelia laevicaulis var. laevicaulis Mrs. H. P. Bracelin 1930-10-19 111 Napa near entrance to (Conn Creek); Sage Canyon Comment
  UCD48575  Micropus amphibolus Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 26 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along Decker Ridge Road, N of jct with South Decker Canyon Rd. 335 Comment
  JEPS106897  Micropus californicus var. californicus Jake Ruygt 1979-4-21 533 Napa east of east end Westgate Dr.,Napa 121 Comment
  UC50010  Microseris acuminata Edw. L. Greene 1892-4-23 Napa Calistoga Comment
  UC50011  Microseris acuminata Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  UCD118906  Microsteris gracilis D. C. Finfrock 1950-4-2 13 Napa 2 miles from St. Helena on Pope Valley Road. Comment
  JEPS110573  Mimulus angustatus Jake Ruygt 1990-5-5 2527 Napa south of Leoma Lakes; Wild Horse Valley Ranch 429 Comment
  SEINET200724  Mimulus angustatus J. P. Tracy 1902-5-21 1610 Napa Howell Mt head of Moore's Cr 3-4 mi E of Angwin's; La Jota Plateau 518 Comment
  UC1245370  Mimulus angustatus Joseph P. Tracy 1950-5-23 18660 Napa 5 mi e Angwin's (on hills at head of creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UC147893  Mimulus angustatus J. P. Tracy 1902-5-21 1610 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UC1731236  Mimulus angustatus Dean W. Taylor 1998-6-23 16696 Napa ca. 5 air mi w Aetna Springs (headwaters Swartz Canyon; south flanks Twin Peaks); Mayacamas Mtns, NCoRO, Swartz Canyon, Twin Peaks 716 Comment
  UC1746034  Mimulus angustatus Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2764 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UCD117944  Mimulus angustatus Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. Just northeast of the fire station about 0.1 mile down undeveloped road. Northwest side of road. 518 Comment
  UCD122156  Mimulus angustatus Kim E. Steiner 1978-4-29 204 Napa Rancho La Jota, 0.4 mi S of Las Posadas State Forest fire station entrance. 563 Comment
  SEINET3079656 Image available Mimulus aurantiacus Royal D. Suttkus 1967-6-26 67- 30 -11 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  RSA60354  Mimulus aurantiacus var. aurantiacus G. R. Campbell 1948-6-18 657 Napa 10 miles south of Montecello Comment
  UC1778561 Image available Mimulus bolanderi S. E. Schoenig 1998-6-3 98 -20 Napa Research Hill, 0.1 mi. SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd., 1 mi. NW of Homestake mine. Lat corrected from 35 655 Comment
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Jul 14 2006
  UC1239053  Mimulus cardinalis Freed W. Hoffman 1946-8-20 848 Napa Conn Dam North Coast Ranges Comment
  UCD84984  Mimulus congdonii Dena Grossenbacher 2009-3-3 948 Napa East side of Bell Creek about 75 meters up slope from creek. Wildlake Preserve, Napa County Land Trust property. 461 Comment
  JEPS11534  Mimulus grandis Willis L. Jepson 1893-4-24 4 m Napa hills e St. Helena (to Conn Valley Grade); Napa River Basin, Howell Mt. foothills Comment
  CDA15441  Mimulus guttatus Rachel Curtis 1995-5-6 14 Napa Approx. 7.0 mi. E of Silverado Trail Rd. Comment
  UC26858  Mimulus guttatus Willis L. Jepson 1893-4-26 Napa Rutherford Napa River Basin Comment
  JEPS11033  Mimulus guttatus W. L. Jepson 1892-3-25 68 m Napa crest above Collins Camp; Vaca Mts. Comment
  SEINET7057278  Mimulus guttatus Christopher T. Ivey 2003-11-29 363 Napa Specimen grown in greenhouse from wild-collected seed. Population occured along sream margin in the Snell Valley Nature Preserve, 2.2 mile east of Pope Valley Road on Snell Valley Road. Comment
  CDA41716  Mimulus kelloggii K. Esau 1933-4-14 s.n. Napa Calistoga, near Petrified Forest. 0 Comment
  UC886248  Mimulus kelloggii Alice Eastwood 1915-5-1 6835 Napa Mt. St. Helena Comment
  JEPS110611  Mimulus layneae Jake Ruygt 1989-6-17 2376 Napa Bear Valley 637 Comment
  JEPS11440  Mimulus microphyllus W. L. Jepson 1893-4-28 73 m Napa n Mt. George (on Wooden Valley grade); Napa Range Comment
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Aug 5 2008
  JEPS11562  Mimulus microphyllus W. L. Jepson 1921-5-6 9170 Napa Yountville 30 Comment
  JEPS85027  Mimulus microphyllus Larry Heckard, Mary Ashton 1969-5-3 2212 Napa ca. 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd., above and w of meadow) 510 Comment
  UC26989  Mimulus microphyllus W. L. Jepson 1893-4-26 Napa near La Lomita; Napa River Basin; Napa River Basin, near La Lomita Comment
  UCD48232  Mimulus microphyllus Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 2 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  UC147911  Mimulus nasutus J. P. Tracy 1902-5-15 1472 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD63856  Mimulus nudatus Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  UCD96135  Mimulus nudatus Dena Grossenbacher; Brian Green 2008-5-7 820 Napa Along Devil's Head Road, about 3.25 miles south of Berryessa-Knoxville Road junction. 468 Comment
  UC1746031  Mimulus pulsiferae Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2766 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UC1301217  Minuartia californica Helen K. Sharsmith 1963-3-17 5225 Napa Mt. Atlas San Francisco Bay Region (s side) 609 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
  CAS-BOT-BC388755  Minuartia douglasii Alice Eastwood 1915-6-6 4677 Napa Mt. St. Helena Comment
  SEINET7075537  Minuartia douglasii A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC388762  Minuartia douglasii Betty H. Johnson 1958-6-15 611 Napa Slope near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  UCD161539  Minuartia douglasii Jake Ruygt 1992-4-10 2899 Napa Wild Horse Valley Ranch east of south lake. 463 Comment
  CAS-BOT-BC220613  Monardella villosa H. E. McMinn 1923-5-26 976 Napa Along Eticuera Creek tributary to Putah Creek Comment
  CAS-BOT-BC220614  Monardella villosa John Thomas Howell 1930-7-13 5349 Napa Edge of the Crater Country Comment
  CAS-BOT-BC220616  Monardella villosa Peter H. Raven 1950-6-20 2342 Napa In the Napa Range between Conn Valley & the Summit of Howell Mtn., Napa Range Comment
  CAS-BOT-BC220619  Monardella villosa John Thomas Howell 1929-5-30 4270 Napa On Pope Valley Creek near Samuels [Samuel] Springs, Napa Range Comment
  SEINET4173667 Image available Monardella villosa Jack Major 1961-6-13 545 Napa Monticello Dam, State Hwy 128 Comment
  JEPS110829  Monardella villosa subsp. villosa Jake Ruygt 1979-6-9 680 Napa 11.7 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 234 Comment
  CAS-BOT-BC220690  Monardella viridis Elizabeth McClintock 1952-8-31 52 -602 Napa About 4 miles north of Aetna Springs, in Butts Canyon Comment
  JEPS110826  Monardella viridis subsp. viridis Jake Ruygt 1979-7-21 755 Napa 1 mile SW of College Ave. on Howell Mtn Road 463 Comment
  JEPS2654  Monardella viridis subsp. viridis W. L. Jepson 1894-10-13 70 d Napa Upper Conn Valley Napa Range; Upper Conn Valley, Napa Range Comment
  JEPS55471  Monardella viridis subsp. viridis Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena Comment
  JEPS43263  Montia fontana W. L. Jepson Apr. 1893 Napa Napa Valley Comment
  UCD19937  Myriophyllum sibiricum E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 795 Napa Quail Ridge Reserve. Gorwing along margin of Lake Berryessa. 121 Comment
  JEPS75633  Nassella cernua W. L. Jepson 1936-5-28 17540 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UC526761  Nassella cernua Joseph P. Tracy 1933-6-2 12466 Napa Howell Mountain Road 5 mi e St. Helena; North Coast Ranges 304 Comment
  UCD87831  Nassella lepida Beecher Crampton 1957-6-4 4102 Napa North end of Capell Valley. Comment
  CAS-BOT-BC260177  Nassella pulchra John Thomas Howell 1931-4-2 6087 Napa Summit of Wooden Valley Grade 8 miles E of Napa Comment
  CAS-BOT-BC260181  Nassella pulchra Doris K. Kildale 1928-5-8 5054 Napa 0.5 mile from Napa-Solano County line, on road to Vacaville Comment
  JEPS120369  Navarretia atractyloides Joe Callizo 2005-6-4 4896 b Napa Between en of Pocock Creek Road and Putah Creek/Hunting Creek Confluence. Jericho Valley 7.5' Quad. Comment
  SEINET196212  Navarretia cotulifolia Herbert L. Mason 1934-4-30 8111 Napa Tributary of Putah Creek, Pope Valley Comment
  JEPS112538  Navarretia heterodoxa Jake Ruygt 1992-6-11 3028 Napa south of Mitten lake, Wild Horse Valley Ranch 426 Comment
  UC106835  Navarretia heterodoxa Katharine Brandegee 1889-1 Napa Howell Mountain Comment
  UC23627  Navarretia heterodoxa Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  JEPS116994  Navarretia intertexta subsp. intertexta David Gowen 2008-5-14 911 Napa South side of Snell Rd. ca. 200 feet east of junction with Butts Canyon Rd. 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
  UCD167182  Navarretia intertexta subsp. intertexta Jake Ruygt 1989-6-17 2373 Napa Bear Valley. 633 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
  JEPS112554  Navarretia mellita Jake Ruygt 1982-7-17 1374 Napa Deer Park Rd. at Four Corners 414 Comment
  UC155179  Navarretia mellita Katharine Brandegee 1910-7-20 Napa Pope Valley Comment
  SEINET14156388  Navarretia mellita K. Brandegee 1910-7-26 s. n. Napa Pope Valley Comment
  UC908883  Navarretia mellita Herbert L. Mason 1935-5-30 Napa ridge between Lower Lake and Knoxville (Napa and Lake counties) Comment
  UCD167191  Navarretia mellita Jake Ruygt 1989-7-1 2395 Napa Vaca Mountains about 2 miles north of Mt. Vaca. 755 Comment
  UCD167194  Navarretia mellita Jake Ruygt 1991-6-10 2716 Napa Deer Lake, Friesen's Lakes. 597 Comment
  SEINET4673690  Navarretia paradoxinota David Gowen 2009-6-15 1062 Napa Snell Valley Road, east of Butts Canyon Road in Snell Wildflower Preserve.; 0 Comment
  SEINET4673932  Navarretia paradoxinota David Gowen 2010-6-8 s.n. Napa Snell Valley Road, east of Butts Canyon Road in Snell Wildflower Preserve.; 0 Comment
  CAS-BOT-BC232668  Navarretia pubescens R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6669 Napa 6 miles NE of Pacific Union College (Howell Mountain) on road to Aetna Springs Comment
  JEPS110949  Navarretia pubescens Jake Ruygt 1977-5-1 209 Napa east end of Westgate Dr. 115 Comment
  UCD167445  Navarretia pubescens James A. Neilson Jr. 1979-5-25 3973 Napa Manhattan Mine area, 1 mile northwest of Knoxville. (Manhattan Mine is now known as Homestake McLaughlin Mine. Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD19314  Navarretia pubescens M. A. Bibbo; E. Dean 2001-7-6 6 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.5 air miles from research station. E (upslope) side of the road. 259 Comment
  RSA91872  Navarretia pubescens Beecher Crampton 1953-5-19 1309 Napa Oak woodland area, grassy flat, 4 miles south if Monticello, state Hwy, 128. Comment
  RSA92795  Navarretia pubescens P. H. Raven 1951-3-26 2879 Napa Butts Canyon . 305 Comment
  JEPS110946  Navarretia squarrosa Jake Ruygt 1981-7-15 1065 Napa 1.5 miles north of Browns Valley Rd. on Redwood Rd. 152 Comment
  JEPS70448  Navarretia squarrosa Willis L. Jepson 1893-9-24 20948 Napa Angwin's Meadow Napa River Basin, Howell Mt. 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
  UC23889  Navarretia viscidula Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs Napa River Basin Comment
  JEPS78509  Nemacladus montanus W. L. Jepson 1920-5-25 9037 Napa Knoxville Ridge Comment
  JEPS5470  Nemacladus montanus Rimo Bacigalupi with L. T. Dempster, G. T. Robbins 1954-5-25 4508 Napa 8.2 mi e Conn Lake (reserovir) (slopes above Soda Creek along State Highway 28) Comment
  JEPS5477  Nemacladus montanus M. S. Jussel 1845-5-4 Napa Napa Comment
  RSA152473  Nemacladus montanus R. C. Bacigalupi, L. T. Dempster, G. T. Robbins 1954-5-25 4508 Napa Above Soda Creek along State Highway 28, 8.2 miles east of Conn Lake (reservoir). Comment
  JEPS79577  Nemophila heterophylla Edward Lee with A. Carter and E. Crum 1936-3-15 1796 Napa 3.4 mi out Rutherford (Rutherford-Pope Valley Road); <near> Rutherford 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
  JEPS1514  Nemophila heterophylla John Thomas Howell 1926-3-20 1694 Napa Old toll road to Mt. 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
  UC606891  Nemophila heterophylla L. Constance 1938-3-27 2035 Napa e slope 5 mi e Napa (in the Howell Mountains); North Coast Ranges, Howell Mountains, e of Napa 457 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
  UCD120214  Nemophila menziesii G. F. Hrusa; S. Larson 1995-4-10 12063 Napa Along Chiles Valley/Pope Valley Rd. approx. 2 m. S of Pope Canyon Rd. intersection. North Coast Biodiversity Arena. 175 Comment
  UCD23407  Nemophila menziesii Karin Staaf 1977-4-16 7 Napa 6.4 miles SW of Monticello Dam, in a small shallow canyon on south side of Highway 128. Plants 3 inches tall, herbaceous. Flowers white/blue. Growth upright to low and creeping. Growing in open, sunny, grassy meadow. Soil clay like. Comment
  UCR12042  Nemophila menziesii var. atomaria Coleta A. Lawler 1970-1 253 Napa North Coast Range, Chiles-Pope Road, 3.3 mi. south of Pope Valley 198 Comment
  UC1237966  Nemophila menziesii var. atomaria John H. Weiler 1961-2-17 617 Napa 2.6 mi s Napa State Hospital (in a pasture beside State Highway 12); s of Napa State Hospital Comment
  JEPS110869  Nemophila pedunculata Jake Ruygt 1993-4-3 3183 Napa Little Bear Valley 673 Comment
  JEPS12270  Nicotiana acuminata var. multiflora Helen-Mar Wheeler 1942-7-17 Napa Conn Valley Comment
  JEPS12384  Nicotiana quadrivalvis W. L. Jepson 1922-10-22 9838 Napa near mouth of Conn Creek; Napa Valley Comment
  UCD126721  Nicotiana quadrivalvis J. M. Tucker; C. H. Lamoureux 1958-6-8 3403 Napa State Highway 128, 2.7 miles northeast of Rutherford. 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
  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
  RSA577469  Odontostomum hartwegii Joseph A. Ewan 1934-4-30 8811 Napa Sarco Creek, 4 miles above Napa. Comment
  JEPS15795  Oenanthe sarmentosa Willis L. Jepson 1893-4-24 14228 Napa hills e. St. Helena (to Conn Valley Rd., Howell Mt. Foothills); Napa R. Basin, Howell Mt. Foothills Comment
  UCD148553  Oenanthe sarmentosa Jake Ruygt 1992-7-22 3110 Napa Napa County, Wooden Valley, south end, on Wild Horse Valley Ranch. 179 Comment
  JEPS43960  Oenothera elata subsp. hirsutissima Willis L. Jepson 1893-9-23 14495 Napa above Calistoga; Napa River Basin, Upper Napa Valley Comment
  JEPS120374  Olea europaea Jake Ruygt 1998-6-8 4020 c Napa Mead Ranch, on ridge top, overlooking Soda Canyon. Yountville 7.5' Quad. Comment
  JEPS120332  Orobanche fasciculata Jake Ruygt 1985-3-31 1517 Napa Devil's Canyon. Sonoma 7.5' Quad. Comment
  UCD123203  Orobanche fasciculata W. M. Grannell 1950-4-27 17 Napa Putah Canyon. Comment
  CAS-BOT-BC500128  Orobanche fasciculata Peter H. Raven 1951-6-10 s.n. Napa Crater Region E of Palisades 762 Comment
  UCD167258  Orobanche uniflora Jake Ruygt 1998-4-18 3926 b Napa Blue Ridge about 1 mile north of Mays Flat. 701 Comment
  CAS-BOT-BC500300  Orobanche uniflora subsp. occidentalis Alice Eastwood 1915-6-6 s.n. Napa Mt. St. Helena Comment
  UCD32414  Orthocarpus Beecher Crampton 1950-5-7 569 Napa about 3-4 miles southeast of Yountsville, east side of Napa Valley, along Silverado Trail. Comment
  RSA202261  Orthocarpus densiflorus L. D. Thurman 1964-4-15 396 Napa Silverado trail 5 mi N of Napa. Comment
  RSA155421  Orthocarpus erianthus L. S. Rose 1961-3-30 61023 Napa 6 mi w of Napa. 122 Comment
  RSA671053  Orthocarpus faucibarbatus G. Fred Hrusa 1995-4-2 12047 Napa SE corner of Chiles-Pope Valley Rd and Hwy 128 heading up Salt Canyon, upper end of Hennessey Res. 200 Comment
  POM182685  Orthocarpus pusillus D. D. Keck 1931-4-3 1072 Napa Pope Valley P.O. Comment
  SEINET13944817 Image available Osmorhiza chilensis Joseph Andorfer Ewan 1937-1 10327 Napa Along auto road. W. slope Mt. St. Helena. Comment
  JEPS122756  Oxalis incarnata Jake Ruygt 2003-5-17 4530 Napa Sarco Creek, SW corner of Foote Mt. George Preserve. Quad: Mt. George. Comment
  UCD167259  Oxalis micrantha Jake Ruygt 2000-4-12 4230 Napa Silverado Trail at Deer Park Road. 68 Comment
  UCD134745  Packera clevelandii Robert E. Preston 1987-6-18 565 Napa 1.4 mile northeast of Big Basin. 414 Comment
  UCD37945  Packera eurycephala Beecher Crampton 1962-5-16 6427 Napa 0.75 mile E of Aetna Springs. Comment
  SD52970  Packera eurycephala Peter H. Raven 1962-5-31 17919 Napa by stream in serpentine on Lower Lake- Knoxville road, 1.9 miles south of Lake County line. Comment
  UCD134774  Packera eurycephala K. Esau; E. Hyde 1936-5-14 s.n. Napa Napa Valley. Comment
  CAS-BOT-BC316877  Packera eurycephala var. eurycephala Joseph Andorfer Ewan 1934-4-30 8826 Napa Near Samuels Springs above Monticello on Pope Valley Grade Comment
  CAS-BOT-BC316939  Packera greenei Pierson Durbrow 1925-5-19 s.n. Napa Bucks Canyon, north of Aetna Springs Comment
  UCD160746  Packera greenei Ellen Dean 2015-5-23 8798 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 243 Comment
  SD64424  Packera greenei Darley F. Howe 1966-6-3 4265 Napa 14 miles south of Middletown 305 Comment
  JEPS122963  Panicum acuminatum var. acuminatum Jake Ruygt 1986-5-10 1760 Napa Devil's Canyon, above the falls. Quad: Mt. Sonoma. Comment
  OBI22057  Panicum capillare Robert F. Hoover 1966-8-23 9933 Napa Butts Cyn near Lake Co line Comment
  UCD89506  Panicum capillare Beecher Crampton 1968-10-1 8386 Napa ca. 3 miles north Moskowite Corners, State Hwy. 128. Comment
  UCD33885  Panicum capillare subsp. hillmanii Beecher Crampton 1974-9-19 9089 Napa Napa County, south of Yountville. Comment
  JEPS50025  Parvisedum pumilum W. L. Jepson 1915-4-22 6234 Napa Hills e of St. Helena ([Howell] Road) Comment
  CDA2124  Paspalum urvillei B. E. Eaton 1974-8-27 Napa Heinke Drive, 0.4 mile north of Coombsville Road east of Napa. 0 Comment
  UC1239630  Pectocarya pusilla Joseph P. Tracy 1933-4-30 1212 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 518 Comment
  UC55915  Pectocarya pusilla J. P. Tracy 1902-5-21 1603 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 457 Comment
  UCD123309  Pedicularis densiflora Gerald D. Carr 1971-3-3 521 Napa 1.3 miles west of Berryessa-Knoxville Rd. On California 128, 6 miles west of Moskowite Corners. Comment
  RSA10645  Pedicularis densiflora Carl B. Wolf 1928-5-3 1845 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  SEINET3872924  Pellaea andromedifolia Daphne K. Christopher, Hannah Stevens; Mark Bibbo 2003-4-11 143 Napa Uc Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation.; 0 166 Comment
  CAS-BOT-BC69209  Pellaea andromedifolia W. R. Dudley 1895-2-23 s.n. Napa Knights Valley Comment
  UCD124212  Penstemon heterophyllus K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  JEPS7561  Penstemon heterophyllus var. heterophyllus W. L. Jepson 1936-5-31 17566 Napa Howell Mt. betw. Toland House and Angwin; Howell Mt. btw Toland House and Angwin Comment
  UC146236  Penstemon heterophyllus var. purdyi J. P. Tracy 1902-5-16 1486 Napa 3-4 mi e Angwin's (head of Moore's Creek); , Howell Mountain 457 Comment
  JEPS7573  Penstemon heterophyllus var. purdyi W. L. Jepson 1936-5-31 17566 Napa Howell Mt. betw Toland House and Angwin; Howell Mt. btw Toland House and Angwin Comment
  SEINET11052858  Penstemon laetus Joseph Andorfer Ewan 1934-4-30 8861 Napa Near Samuel Spgs. above Monticello Pope Valley Grade Comment
  JEPS101496  Penstemon newberryi var. sonomensis Dean W. Taylor 1998-6-3 16465 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 594 Comment
  UCD164744  Penstemon newberryi var. sonomensis Jake Ruygt 2014-6-7 5979 Napa Ranch, Montesol. 832 Comment
  CHSC31986  Pentagramma triangularis L. Ahart 1976-3-7 1029 Napa S of the rd above Monticello Dam, ca. 2 mi sw of Monticello Dam. 152 Comment
  CAS-BOT-BC71672  Pentagramma triangularis subsp. triangularis Elsa G. Ruckert 1960-3-12 23 Napa on private road leading in to 6495 Dry Creek Road 365 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
  UCR198039  Perideridia gairdneri subsp. gairdneri Jake Ruygt 1998-8-15 4106 Napa Mead Ranch, Atlas Peak Road 488 Comment
  UCD127876  Perideridia oregana Robert E. Preston 1987-6-16 563 B Napa ca. 1.5 miles southeast of of Big Chain. 182 Comment
  CAS-BOT-BC419150  Persicaria maculosa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  UCD21495  Petrorhagia dubia Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4397 Napa Quail Ridge Reserve. 246 Comment
  JEPS110866  Phacelia divaricata Jake Ruygt 1979-4-14 514 Napa Oat Hill Mine Rd. near Twin Peaks 694 Comment
  UC663016  Phacelia divaricata Basil Bowers 1941-6-18 380 Napa just n summit of old mines road (e of Calistoga); Palisades 762 Comment
  UC131125  Phacelia imbricata Katharine Brandegee 1909-6-1 Napa from Calistoga Pope Valley grade Comment
  JEPS2164  Phacelia imbricata W. L. Jepson 1938-5-18 18797 Napa Howell Mtn. Napa Range Comment
  UCD169610  Phacelia imbricata subsp. imbricata 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
  UCD170156  Phacelia imbricata subsp. imbricata Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 782 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 428 Comment
  JEPS2145  Phacelia imbricata subsp. imbricata Willis L. Jepson 1893-4-24 21048 Napa beyond Park Hill (= e of St. Helena); Napa River Basin, Conn Valley grade Comment
  RSA582241  Phacelia imbricata subsp. imbricata Joseph A. Ewan 1934-4-30 8848 Napa Five miles south of Montebiello, on Steel Canyon Road. Comment
  UC1299141  Phacelia suaveolens Freed W. Hoffman 1947-8-4 1422 Napa Mt. St. Helena 609 Comment
  CAS-BOT-BC258829  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa In Napa Valley, near Calistoga 91 Comment
  POM261554  Phalaris californica J. T. Howell 1940-5-19 15444 Napa Near Calistoga Comment
  SACT001723  Phalaris paradoxa M. Wiesendanger 1927-5-4 Napa Comment
  CAS-BOT-BC250851  Phleum pratense Peter H. Raven 1951-6-26 3048 Napa E. of Napa on Monticello Rd. 60 Comment
  CAS-BOT-BC134981  Phoradendron bolleanum John F. Emmel 1971-4-17 342 Napa Butts Creek, 0.4 miles NW of junction Butts Canyon and Snell Valley roads 198 Comment
  UCR80867  Phoradendron densum G. Fred Hrusa 1993-10-3 11427 Napa 2.1 mi SW along Knoxville-Devilhead Rd. from Knoxvlle-Berryessa Rd. 440 Comment
  POM354320  Phoradendron villosum J. J. Walters 1932-3-6 s.n. Napa St Helena. Comment
  UC6101  Phoradendron villosum Willis L. Jepson 1894-1 Napa Napa R. Basin, St. Helena Comment
  JEPS115777  Physalis lancifolia Lowell Ahart 2009-10-27 16500 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
  SFV5083  Pickeringia montana B. C. Templeton 1957-6-27 s. n. Napa About 3 miles up Trinity Road near the junction to Oakville. Comment
  CAS-BOT-BC202267  Pickeringia montana var. montana Belle R. Jackson 1939-6-11 s.n. Napa Mead Ranch, Atlas Way, Napa Mts. Comment
  JEPS65570  Pickeringia montana var. montana W. L. Jepson 1938-5-25 18859 a Napa Bell Canyon Howell Mt. 579 Comment
  UCD170184  Pickeringia montana var. tomentosa Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 773 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 462 Comment
  JEPS120326  Pinus coulteri Jake Ruygt 1999-12-30 4219 Napa End of Lommel Road, Calistoga. Calistoga 7.5' Quad. Comment
Read comments
Jul 25 2018
  JEPS103996  Pinus sabiniana Jake Ruygt 1997-11-1 3876 Napa Stags Leap 432 Comment
  UCD118541  Pinus sabiniana Roxanne Faure; 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
  SEINET11739558  Pinus sabiniana F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -327 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS102208  Piperia leptopetala J. Greenhouse with Jake Ruygt, Joe Callizo 2000-5-20 5007 Napa Adams Ridge. About 50 feet below Adams Ridge Rd., 1 mi from Devilshead Rd. in Hunting Creek BLM area N of Knoxville. 670 Comment
  JEPS60956  Plagiobothrys bracteatus Joseph P. Tracy May 1903 1843 Napa Calistoga Comment
  POM126349  Plagiobothrys bracteatus Joseph P. Tracy 1903-5-15 1852 Napa 2 miles below Calistoga 91 Comment
  UC55913  Plagiobothrys bracteatus J. P. Tracy May 15 1903-May 18 1903 1852 Napa 2 mi below Calistoga (Napa Valley); Napa Valley 91 Comment
  UCD74369  Plagiobothrys bracteatus Jake Ruygt 2000-5-17 4254 b Napa di Rosa Preserve, Hwy. 12, northwest of Duhig Rd. 79 Comment
  UCD120805  Plagiobothrys canescens Beecher Crampton 1955-4-7 2437 Napa Napa County, 7.8 miles north of Monticello. Comment
  SD58506  Plagiobothrys cognatus Joseph P. Tracy 1950-5-23 18675 Napa La Jota Plateau at head of Moore's Creek. 518 Comment
  UCR141016  Plagiobothrys fulvus var. campestris Beecher Crampton 1955-4-7 2436 Napa Inner North Coast Ranges, 7.8 miles north of Monticello 159 Comment
  JEPS106765  Plagiobothrys nothofulvus Jake Ruygt 1990-4-1 2456 Napa White Creek, Wild Horse Valley Ranch 371 Comment
  JEPS68059  Plagiobothrys nothofulvus Willis L. Jepson 1893-4-26 21162 Napa Rutherford Napa River Basin Comment
  JEPS68063  Plagiobothrys nothofulvus W. L. Jepson 1897-5-2 21158 Napa St. Helena Comment
  SBBG115362  Plagiobothrys nothofulvus B. Crampton 1962-5-16 6426 Napa 1 mi E of Aetna Springs Comment
  UCD73387  Plagiobothrys nothofulvus 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
  SEINET12275936  Plagiobothrys scriptus P. H. Raven 1957-1 10741 Napa near the hot springs at the airport, Calistoga Comment
  JEPS100374  Plagiobothrys stipitatus var. micranthus Dean W. Taylor 2001-5-15 17652 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  CAS-BOT-BC228493  Plagiobothrys strictus Peter H. Raven 1950-5-6 2024 Napa Near Old Faithful Geyser N of Calistoga 182 Comment
  UC280354  Plagiobothrys tenellus Milo S. Baker 1896-5-8 34 Napa field near Four Corners Comment
  UCD161711  Plagiobothrys tener Jake Ruygt 2011-5-28 5797 Napa west of Atlas Peak Road, 0.6 mile southwest of Foss Valley. (Coordinates converted from UTM data by label maker.) 463 Comment
  JEPS21208  Plagiobothrys tener var. subglaber B. O. Schreiber 1938-4-24 2499 Napa 1/2 mi nw Knoxville; Reiff Quadrangle Comment
  JEPS41076  Plagiobothrys tener var. subglaber Rimo Bacigalupi, and L. R. Heckard 1965-5-16 9101 Napa ca 7 mi se Knoxville (at head of Devilhead Road, at center of Cedar Valley); Cedar Valley 579 Comment
  JEPS85016  Plagiobothrys tener var. tener Larry Heckard and Mary Ashton 1969-5-3 2228 Napa ca 7 mi ne Napa (off Atlas Peak Rd., ca 1/2 mi ne of ranch house); Mead Ranch 457 Comment
  RSA368994  Plagiobothrys undulatus Robert Gustafson, Don Reynolds 1983-6-7 2731 Napa Hwy 29, about 2 miles south of Imola Ave. on east side of road. Comment
  JEPS110789  Plantago coronopus Jake Ruygt 1993-5-11 3260 Napa Milton Road north of the railroad tracks 0 Comment
  JEPS110786  Plantago erecta Jake Ruygt 1986-3-6 1633 Napa .4 mile east of Flosden Rd. on American Canyon Rd. 146 Comment
  JEPS6453  Plantago erecta Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. Comment
  UCD168560  Plantago erecta 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
  JEPS6452  Plantago erecta Joseph P. Tracy 1935-3-19 13765 Napa 4 mi nw Calistoga (Knights Valley road); Northern Coast Ranges 213 Comment
  UC585983  Plantago erecta Joseph P. Tracy 1935-3-19 13765 Napa 4 mi nw Calistoga (Knight's Valley road); Northern Coast Ranges 213 Comment
  UCD124178  Plantago erecta Beecher Crampton 1959-5-26 5259 Napa Martley Canyon, Vaca Mountain. State Hwy. 218. Comment
  CAS-BOT-BC91869  Platystemon californicus Peter H. Raven 1953-4-2 5235 Napa Imola. 60 Comment
  UCD82051  Platystemon californicus Robin McMaster 1972-4-22 66 Napa Pope Valley. Comment
  JEPS5112  Plectritis brachystemon W. L. Jepson 1900-3-10 515 Napa near Toland House (Howell Mountain); Howell Mountain Comment
  JEPS6139  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4450 Napa near Wooden Valley Comment
  UC999811  Plectritis ciliosa subsp. ciliosa S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 710 Napa Howell Mountains, Wooden Valley Grade Wooden Valley Grade; Howell Mountains, Wooden Valley Grade Comment
  JEPS110895  Plectritis macrocera Jake Ruygt 1979-5-20 613 Napa 1.6 miles north of White Cottage Rd. on Summit Street 694 Comment
  JEPS4798  Plectritis macrocera Miss R. Kuhn 1912-4-17 Napa Oakville Comment
  JEPS110897  Plectritis macrocera Jake Ruygt 1999-5-1 4142 Napa Gunn ranch, E side of Lake Berryessa 146 Comment
  SBBG115606  Pleuropogon californicus B. Crampton 1952-3-24 1031 Napa ca. 8 mi N of city of Napa, along Silverado Rd Comment
  UCD90143  Pleuropogon californicus var. californicus Beecher Crampton 1962-5-8 6417 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD90196  Pleuropogon californicus var. californicus R. Tofsrud 1951-5-20 s.n. Napa East edge of Yountville Cemetery. Comment
  SACT001791  Poa annua John Willoughby 1979-5-25 Napa On moist or now dry margins of stock pond. About 1 mile south of Signal Hill just below and to the west of Blue Ridge. 609.6 Comment
  UCD90286  Poa annua A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3546 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  CAS-BOT-BC246684  Poa howellii Peter H. Raven 1951-6-10 2905 Napa E. of Toll House, Mt. St. Helena 792 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
  CDA10845  Poa kelloggii G. F. Hrusa, G. L. Stebbins 1994-4-18 11782 A Napa North Coast Biodiversity Arena; Pope Valley. Along upper Swartz Creek N tributary (James Cr.). 213 Comment
  CAS-BOT-BC246847  Poa napensis John Thomas Howell 1967-5-18 42244 Napa North of Calistoga Comment
  SD58318  Poa napensis Alan A. Beetle 1946-5-7 4256 Napa Damp banks of overflow stream; two miles north of Calistoga at Myrtledale Hot Springs Comment
  UCD91555  Poa napensis R. Tofsrud 1948-5-1 s.n. Napa Calistoga. Comment
  SACT002005  Poa scabrella John Willoughby 1977-4-27 Napa Along State Highway 128 very near Monticello Dam, north-facing, rocky slope on south side of highway. Comment
  RSA10120  Poa secunda Joseph P. Tracy 1933-4-30 12118 Napa Near Angwin Creek on Howell Mountain 457 Comment
  UCD18140  Poa secunda Jean Shepard; with PLB 102 class 2000-4-29 195 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD92438  Poa secunda subsp. juncifolia W. E. Wood 1928-4-15 s.n. Napa Blake Estate, Pacific Union College, St. Helena. Comment
  UCD95685  Poa secunda subsp. juncifolia Ellen Dean; with Clare Loughran 2011-5-20 7030 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  CAS-BOT-BC242897  Poa secunda subsp. secunda Peter H. Raven 1950-4-15 1719 Napa Silverado Trail outside of Napa 15 Comment
  JEPS122923  Poa secunda subsp. secunda Jake Ruygt 1983-4-2 1401 Napa End of Green Valley Road. Quad: Mt. George. Comment
  JEPS85020  Poa secunda subsp. secunda Larry Heckard and Mary Ashton 1969-5-3 2224 Napa 7 mi ne Napa (Mead Ranch, off Atlas Peak Rd, above and w of meadow) 510 Comment
  JEPS129037  Pogogyne douglasii Jake Ruygt 2016-5-25 6262 -Y Napa Missimer-Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  RSA83437  Pogogyne douglasii J. T. Howell 1929-5-30 4278 Napa 3 miles from Pope Valley Store on road to Pope Creek Canyon, Napa Range Comment
  UC1988909  Pogogyne douglasii John Thomas Howell 1929-5-30 4278 Napa 3 miles from Pope Valley on road to Pope Creek Canyon Comment
  UCD21501  Pogogyne serpylloides Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4403 Napa Quail Ridge Reserve. 262 Comment
  RSA0036083  Polycarpon tetraphyllum John Thomas Howell 1943-6-20 18242 Napa Hills west of Napa Valley between St. Helena and Mt. St. John. 228 Comment
  UCD148763  Polycarpon tetraphyllum var. tetraphyllum Jake Ruygt 1994-3-15 3320 Napa Napa County; Chiles Canyon Rd. about 1 mile from Chiles Valley. 365 Comment
  UCD21553  Polygala californica A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 7 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek, in forest by stream that crosses trail. 320 Comment
  SEINET3269561 Image available Polygala californica M. F. Wojciechowski, K. P. Steele 2000-5-17 887 Napa Along CA 121, 2.0 mi south of junction of 121 and Wooden Valley Rd. Comment
  SEINET5744520 Image available Polygala californica Timothy P. King 1973-1 115 Napa E side of State Hwy 121, 9.6 miles from its junction with State Hwy 128, W side of Lake Berryessa.; Lake Berryessa Comment
  JEPS110850  Polygonum arenastrum Jake Ruygt 1989-7-18 2400 Napa Willis Drive, Napa 15 Comment
  JEPS51314  Polygonum aviculare subsp. aviculare Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  JEPS50583  Polygonum bolanderi Willis L. Jepson 1893-9-21 14791 Napa Wooden Valley grade Napa River Basin Comment
  UCR30824  Polygonum bolanderi John C. Roos 1938-11-12 320 Napa North Coast Range, Pacific Union College, Angwin, near the falls Comment
  CAS-BOT-BC414385  Polygonum californicum Mrs. H. P. Bracelin 1930-10-19 118 Napa About 1 mi. S. of Etna [Aetna] Springs Comment
  JEPS50597  Polygonum californicum W. L. Jepson Sept. 1893 14799 Napa Napa Valley Comment
  POM192997  Polygonum californicum H. P. Bracelin 118 Napa 1 mile of Etua Springs Comment
  UC419719  Polygonum californicum Mrs. H. P. Bracelin 1930-10-19 118 Napa about 1 mi s Etna Springs Comment
  JEPS50607  Polygonum hydropiper W. L. Jepson 1894-11-5 Napa towards Battle Mt. (near St. Helena) Comment
  JEPS112596  Polygonum lapathifolium Jake Ruygt 1986-7-12 1874 Napa Napa River south of confluence of Tulocay Creek 1 Comment
  JEPS50621  Polygonum lapathifolium W. L. Jepson 1892-10-22 Napa Napa River; bed Comment
  JEPS112589  Polygonum parryi Jake Ruygt 1992-5-20 2985 Napa south of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  JEPS116556  Polypodium calirhiza Jake Ruygt 2000-4-3 4229 Napa Henry Road, Henry Ranch, Carneros Valley. Napa 7.5' Quad. Comment
  UC440186  Polypodium calirhiza W. L. Jepson Nov. 1895 Napa St. Helena Comment
  JEPS79513  Polypodium calirhiza Edward Lee with Annetta Carter 1935-12-1 1672 Napa rd. from Napa to Wooden Valley (Sarco Creek); Howell Mts. Comment
  UCD136973  Polypodium calirhiza D. H. Hartmann 1942-3-7 s.n. Napa Green Valley. Comment
  CHSC102289  Polypogon interruptus Lowell Ahart 2009-10-12 16466 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD149572  Polypogon maritimus 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
  CDA34667  Polypogon monspeliensis L. Ahart 2009-10-12 16465 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
  JEPS115748  Polypogon monspeliensis Lowell Ahart 2009-10-12 16465 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Win 133 Comment
  UCD91435  Polypogon viridis Collector Unknown 1941-6-1 s.n. Napa Road from Napa to Locoya. Comment
  CAS-BOT-BC72192  Polystichum dudleyi John Thomas Howell 1941-6-21 16314 Napa Hills Sw. of St. Helena Comment
  CDA11615  Polystichum dudleyi G. F. Hrusa, G. L. Stebbins 1994-3-11 11613 Napa North Coast Biodiversity Arena; Las Posadas State Forest, immediately E of Fire Station. Comment
  CHSC102296  Portulaca oleracea Lowell Ahart 2009-10-12 16472 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  CAS-BOT-BC445237  Portulaca oleracea Peter H. Raven 1952-5-26 4030 Napa Rutherford 53 Comment
  CAS-BOT-BC267121  Potamogeton Alice A. Ackley 1968-8-29 s.n. Napa Along main highway at Hoffman Road crossing, Yountville Comment
  CAS-BOT-BC453918  Potamogeton pectinatus Peter H. Raven 1951-10-28 3943 Napa Conn Lake 152 Comment
  JEPS122748  Proboscidea lutea Jake Ruygt 2006-9-10 5100 Napa West side of Highway 29, south of Darms Lane. Quad: Napa. Comment
  JEPS113962  Prosartes hookeri Jake Ruygt 1978-4-6 261 Napa 1 mile west of Dry Creek Road on Redwood Road. Napa 7.5' Quad. Comment
  JEPS44630  Prunus ilicifolia Frank A. Leach 1923-4-30 Napa about 3 or 4 mi e of Napa 243 Comment
  UC1128390  Prunus ilicifolia A. Lewis 1932-5-16 84 Napa Sarcos Creek 152 Comment
  CAS-BOT-BC151176  Prunus subcordata W. L. Jepson 1891-6-1 s.n. Napa In the Vaca Mts. Comment
  UCD113525  Prunus virginiana var. demissa K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  JEPS106916  Pseudognaphalium biolettii Jake Ruygt 1988-7-19 3516 Napa Skyline Park, Sugarloaf trail. 420 Comment
  JEPS20436  Pseudognaphalium californicum W. L. Jepson 1936-5-31 17565 Napa in the chamisal on Howell Mountain (at hair-pin turn of the road between the Sanitarium and Four Corners); Napa Range, Howell Mountain Comment
  UCD149589  Pseudognaphalium luteoalbum Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD19930  Pseudognaphalium luteoalbum E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 787 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  CAS-BOT-BC356981  Pseudognaphalium luteoalbum Peter H. Raven 1952-5-31 4161 Napa Flood plain of Rector Creek 121 Comment
  RSA195368  Pseudotsuga menziesii Gilbert Muth 1967-2-12 528 Napa Below Martin Springs. 439 Comment
  SEINET265709  Pseudotsuga menziesii Royal D. Suttkus 1967-6-26 67- 30 -14 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  JEPS106885  Psilocarphus brevissimus var. brevissimus Jake Ruygt 1990-4-21 2490 Napa Giles Mead Ranch, Atlas Peak Rd. 487 Comment
  UCD160567  Pteridium aquilinum var. pubescens G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  UCD73394  Pterostegia drymarioides Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  CAS-BOT-BC460819  Pyrola aphylla Elizabeth Wright 1921-6-1 s.n. Napa Calistoga Comment
  UCD167051  Pyrola picta Jake Ruygt 1990-5-19 2558 Napa 1/2 mile north of Diamond Mtn. Rd. on HWY 29. 152 Comment
  UC829434  Pyrrocoma racemosa var. racemosa Alice Eastwood 1918-9-3 7961 Napa Calistoga Comment
  UC518957  Quercus X morehus David D. Keck 1933-5-29 2346 Napa Pope Creek Bridge Pope Creek Canyon (s of Walters Springs, s wall of canyon) Comment
  UCD21499  Quercus X morehus Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4401 Napa Quail Ridge Reserve. 274 Comment
  UCR88371  Quercus X morehus J. M. Tucker 1994-4-9 s.n. Napa Quail Ridge Reserve, near Lake Berryessa. 146 Comment
  CAS-BOT-BC61808  Quercus agrifolia John Thomas Howell 1930-10-19 5617 Napa Canyon bottom, 3 miles from Aetna Springs on Butts canyon road to Middletown Comment
  JEPS37366  Quercus agrifolia W. L. Jepson 1901-11-17 1754 Napa near St. Helena; Napa River Basin Comment
  JEPS37370  Quercus agrifolia W. L. Jepson 1907-12-1 2974 Napa Sanitarium Hill road Napa Valley 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
  UCD45339  Quercus agrifolia J. M. Tucker 1954-9-23 2757 Napa Beside Highway 37, 6.5 miles (by road) south of junction with Highway 28, in Napa County, California. Comment
  UCD14676  Quercus berberidifolia John M. Tucker; and G. L. Stebbins 1950-11-5 2004 Napa California, Napa Co.; 11.5 mi. northwest of Monticello, beside road to Pope Valley; Comment
  UCD14834  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -7 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD45241  Quercus berberidifolia J. M. Tucker; G. L. Stebbins 1950-11-5 2012 Napa California, Napa Co.; 5 mi east of Conn Valley Dam, beside road to Monticello. Shale soil, shrubs on steep hillside. (Sheet No. 1, each twig from a separate shrub.) Comment
  UCD45284  Quercus berberidifolia Thomas Morley 1941-5-11 127 Napa Elevation 461 feet; on west bank of Putah Creek immediately above junction with Butts Creek, Napa County. 140 Comment
  CAS-BOT-BC62454  Quercus chrysolepis Bell Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC62458  Quercus chrysolepis Peter H. Raven 1951-8-19 3838 Napa nr. Lokoya 487 Comment
  JEPS2952 Image available Quercus chrysolepis W. L. Jepson 1893-5-4 Napa summit Mt. St. Helena; Napa River Basin; Mt. St. Helena, Napa River Basin Comment
  SACT002631  Quercus chrysolepis John Willoughby 1977-2-1 Napa East side of Mount Vaca, just below summit along road, near stand of Torreya californica, in chaparral. Comment
  JEPS116541  Quercus douglasii Jake Ruygt 1996-5-4 3644 Napa Butts Canyon Road at James Creek Road; field to SE. Aetna Springs 7.5' Quad. Comment
  UC993142  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  UC993143  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  CAS-BOT-BC79832  Quercus durata John Thomas Howell 1933-8-27 11642 Napa Sage Canyon, Napa range Comment
  CAS-BOT-BC79844  Quercus durata M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 mi NE Cliff Spring Comment
  CDA21881  Quercus durata State Employee 1957-11-13 Napa Knoxville. 0 Comment
  RSA150  Quercus durata J. T. Howell 1927-8-24 685 Napa Near Walter's Spring, Napa Range. Comment
  SFV8728  Quercus durata J. R. Correa 1971-5-29 27 Napa Lower Chiles Valley Road, 1.8 miles from junction with Highway 128. Comment
  UCD14805  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2006 -6 Napa California, Napa Co.; beside road up Howell Mountain, ca. 6 mi. north of St. Helena; Comment
  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
  UCD14815  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -30 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14819  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -8 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14820  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -14 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14827  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -25 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14840  Quercus durata John M. Tucker 1950-11-12 2014 -18 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD14847  Quercus durata John M. Tucker 1950-11-12 2014 -26 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD15986  Quercus durata var. durata C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 3 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 11.3'' N; 122 deg. 21' 13.4'' W; 530 m. Comment
  UCD45884  Quercus durata var. durata John M. Tucker 1941-9-20 407 Napa Opposite junction of road from Samuel Springs with Monticello-- Pope Valley Road, Napa County, California. Comment
  UCD45916  Quercus durata var. durata J. M. Tucker 1948-6-7 1679 Napa Shrub at the side of road, a few miles west of Monticello, on road to Rutherford, Napa County, California. Comment
  UCD48032  Quercus durata var. durata Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 20 Napa Napa Co, McLaughlin Reserve, apporx. 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd. 1st ridge south of Devilhead Rd. 518 Comment
  JEPS126031  Quercus garryana Jake Ruygt 1992-9-24 3157 Napa Dry Creek Road west of Oakville Grade; near Bumpy Camp. Rutherford 7.5' Quad. Comment
  UC519301  Quercus garryana Joseph P. Tracy 1933-6-2 12470 Napa 3-4 mi e Angwin's (on hills at Head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 457 Comment
  UCD83398  Quercus garryana Jake Ruygt 1992-7-18 3099 Napa Green Valley Ranch, end of Green Valley Rd. 329 Comment
  UCD46075  Quercus garryana var. garryana J. M. Tucker 1950-11-5 2009 Napa At summit of ridge marking Sonoma-Napa County line, beside Highway 28, ca. 5 miles northwest of Calistoga, California. Comment
  UCD46082  Quercus garryana var. garryana W. L. Jepson 1916-8-6 6833 Napa Howell Mt. Comment
  UCD46098  Quercus garryana var. garryana J. M. Tucker 1952-4-22 2355 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. 335 Comment
  CAS-BOT-BC105297  Quercus kelloggii John R. Arnold 1962-7-1 s.n. Napa North Shoulder of Mt. St. Helena Comment
  CDA21941  Quercus kelloggii J. M. Tucker 1976-10-24 4383 Napa Beside Dry Creek Road, 0.8 mile east of junction with Wall Road, and 5 miles (by road) southwest of Oakville. 0 Comment
  POM270255  Quercus kelloggii Lyman Benson 1931-2-26 2599 Napa Near highway summit of Mt. St. Helena, No of Calistoga, Mayacamas mt. range, Napa watershed. 549 Comment
  UC1196356  Quercus kelloggii J. P. Tracy 1902-5-22 1620 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UC521690  Quercus kelloggii Joseph Andorfer Ewan 1933-9-17 8012 Napa trail above Mt. St. Helena <???>; Mt. St. Helena Comment
  UC615441  Quercus kelloggii Beryl O. Schreiber 1932-4-3 200 Napa road to Calistoga Comment
  UCD120920  Quercus kelloggii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7340 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. North side of road. 519 Comment
  UCD46665  Quercus kelloggii K. D. Jones 1927-9-10 1707 Napa California Black Oak. Calistoga-Wrights. Comment
  UCD46743  Quercus kelloggii John M. Tucker 1995-10-14 s.n. Napa California, Napa Co.; Homestead Area of the Mc Cormick Ranch, approximately 1.1 mi. north of Bald Mountain in Sugar Loaf State Park, and roughly 7 mi. west of St. Helena. 548 Comment
  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
  SEINET5644360  Quercus kelloggii J. M. Tucker 1966-4-17 3937 Napa Mt. St. Helena, 0.4 miles over the north side from the summit of the road (State Highway 29).; 0 Comment
  CAS-BOT-BC62876  Quercus lobata Peter H. Raven 1951-6-24 s.n. Napa Napa-Brown's Valley 152 Comment
  CAS-BOT-BC62879  Quercus lobata Peter H. Raven 1952-5-31 4148 Napa Summit of hills sw of Rector Canyon 304 Comment
  CAS-BOT-BC62881  Quercus lobata John Thomas Howell 1933-8-27 11630 Napa Sage canyon, Napa Range Comment
  POM262791  Quercus lobata J. C. Roos 1939-3-27 282 Napa Angwin, Howell Mountains. Comment
  SACT002665  Quercus lobata John Willoughby 1979-5-25 Napa About 1 mile south of Signal Hill just below and to the west of the Blue Ridge, in foothill woodland on the north side of the flat. 609.6 Comment
  UCD46875  Quercus lobata H. W. Sheperd Date Unknown s.n. Napa Valley Oak. Napa Valley. Comment
  UCD48374  Quercus lobata Kook-Hyun Chung; C. Ineich, J. Deusterman, M. Hauselt 2001-4-28 19 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, 3 m from end of Decker Bay Trail and 20 m from edge of Lake Berryessa. 146 Comment
  CAS-BOT-BC104985  Quercus wislizeni Belle Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  CHSC59980  Quercus wislizeni Wm. C. Overton Jr. 1980-7-13 Napa Along a south bank of Eticuera Creek ca. 1-1/2 road miles north of Lake Berryessa. Location is to the west of the Berryessa-Knoxville Road (at the 20.00 mile marker) where the creek turns sharply to the NW, away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to the NE of the limits shown in Griffin and Critchfield, 1972). 176 Comment
  RSA10629  Quercus wislizeni var. frutescens Carl B. Wolf 1928-5-4 1862 Napa Upper slopes of Mount St. Helena. Comment
  CAS-BOT-BC362431  Rafinesquia californica Peter H. Raven 1951-5-20 2853 Napa Hills w. Oakville 548 Comment
  JEPS106866  Rafinesquia californica Jake Ruygt 1996-4-27 3633 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 304 Comment
  JEPS106869  Rafinesquia californica Jake Ruygt 1989-5-20 2335 Napa About .5 miles south of Monticello Dam on Vaca Mtns. Monticello Dam 7.5' Quad. 822 Comment
  JEPS54960  Ranunculus californicus W. L. Jepson 1893-4-25 Napa summits w St. Helena Comment
  JEPS110874  Ranunculus lobbii Jake Ruygt 1992-3-18 2854 Napa Wild Horse Valley Ranch north of the polo field 472 Comment
  POM268693  Ranunculus lobbii W. L. Jepson 1893-5-1 s.n. Napa Upper Napa Valley, near Calistoga; Napa River basin Comment
  JEPS60693  Ranunculus occidentalis Joseph P. Tracy 1933-4-30 12094 1/2 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 396 Comment
  UCD96938  Ranunculus occidentalis H. Popenoe 1949-4-17 9 Napa 17 miles from Winters, at entrance to Monticello Valley. Comment
  UCD18037  Raphanus raphanistrum Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 588 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley, just E of site of old town of Knoxville. Near old Osage orange tree by creek. 402 Comment
  CAS-BOT-BC362895  Rhagadiolus stellatus Marie Taylor 1978-4-5 s.n. Napa Dry Creek & Wall roads Comment
  RSA671144  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G. A. Wilson ranch, Dry Creek Road, 2 mi. W. of Yountville. 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
  SEINET12210864  Rhamnus californica subsp. tomentella W. Knight, Knight, I. 1982-1 4554 Napa 0.5 mi W of Spanish Flat Comment
  UCD73432  Rhamnus crocea Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  CAS-BOT-BC56018  Rhamnus ilicifolia John Thomas Howell 1929-8-4 4366 Napa One mile below Samuels Springs, Pope Creek Canyon, Napa Range Comment
  UCD48086  Rhamnus ilicifolia Ryan Knox; E. McDermott, G. Walden 2002-4-13 7 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of road, near Knoxville Creek. 432 Comment
  UC592788  Rhamnus tomentella subsp. crassifolia unknown 1928-2-25 1506 Napa 3 mi n summit of Mt. St. Helena Grade (near Lake-Napa Cos. line) Comment
  CAS-BOT-BC199721  Rhododendron occidentale H. E. McMinn 390 Napa About 6 mi. above Aetna Springs Comment
  UCD20691  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 3 Napa Napa County, NE side of Butts Canyon Rd. along NE side of Butts Creek, at Napa 19.75 marker. In 5' of low water, crowns 1-2' above low water, submerged 1.5-3' at flood levels. Comment
  UCR148773  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 6 a Napa Butts Canyon Rd. along both sides of Butts Creek 217 Comment
  JEPS66678  Rhododendron occidentale var. occidentale W. L. Jepson 1936-6-2 17596 Napa Four Corners, Howell Mountain. Comment
  RSA672063  Rhododendron occidentale var. occidentale A. T. Leiser 1984-9-23 BC- 2 Napa Butts Canyon Rd./Shell Valley Rd. along Butts Creek, Napa 19.25 marker. Off Pope Valley Rd., NE side of road, S bank. Comment
  CAS-BOT-BC200718  Rhus aromatica Frank A. Leach 1926-6-26 s.n. Napa Aetna Springs Comment
  OBI20447  Rhus aromatica H. E. McMinn 1922-6-18 197 Napa Pojse Creek Canyon Comment
  UCD116924  Rhus aromatica J. M. Tucker 1951-3-28 2067 Napa Capell Creek, about 6 miles south of Monticello. Comment
  JEPS66280  Rhus trilobata W. L. Jepson 1936-4-5 17413 Napa near Zem-Zem (valley edges along bases of the hills) Comment
  SEINET12237641  Rhus trilobata F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -314 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS121369  Rhynchospora californica Jake Ruygt 2003-8-24 4559 Napa Mt. George, Foote Botanical Preserve, NW side of mountain, near old orchard. Comment
  CAS-BOT-BC168937  Ribes malvaceum Milo S. Baker 1931-4-1 5096 Napa In canyon 5 mi. N.E. of Napa on Monticello Road, on north side. Comment
  UCD19944  Ribes malvaceum E. A. Dean; Virginia Boucher 2002-2-28 905 Napa Quail Ridge Reserve. Along upper trail, going N of stock pond at ridge top; going towards power lines, 0.1 airline miles S of powerlines, just upslope where lower and upper trails meet. 286 Comment
  RSA0021658  Ribes malvaceum D. D. Keck 1931-4-2 1025 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  JEPS49465  Ribes roezlii var. cruentum Willis L. Jepson 1893-4-25 13525 Napa trail to Caux's Knob (mts. w of St. Helena); Napa River Basin Comment
  UC572662  Ribes roezlii var. cruentum Herbert B. Kaufner 1937-2-26 19 Napa Devil's Well Upper Mill Creek Canyon 518 Comment
  JEPS126025  Ribes sanguineum var. glutinosum Jake Ruygt 1982-3-22 1139 Napa Marie Creek, Skyline Park. Mount George 7.5' Quad. Comment
  UCD102441  Ribes victoris Mary Lou Douglass 1976-4-24 21 Napa 100 yds SW of P.M. 31.37 on Rt 128. Comment
  POM141904  Ribes victoris W. L. Jepson 1892-05 s.n. Napa Trail to [?] Cabin. Comment
  JEPS34851  Rigiopappus leptocladus Willis L. Jepson 1893-5-8 Napa grade below New Eden; Napa River Basin, Howell Mountain Comment
  UC1535368  Rigiopappus leptocladus Glen Holstein 1977-5-11 Napa 0.2 mi s of intersection with Berryessa-Knoxville Road Highway 128; Capell Valley Comment
  UCD135430  Rigiopappus leptocladus Glen Holstein 1977-5-11 s.n. Napa Along State Highway 128, 0.2 mile south of intersection with Berryessa-Knoxville Road, Capell Valley. Comment
  UC829519  Rigiopappus leptocladus Milo S. Baker 1940-4-23 9554 Napa 7 mi from Monticello (near cliff); Pope Creek Comment
  UCD63167  Rigiopappus leptocladus Jake Ruygt 1983-5-29 1467 Napa Napa Valley: Knoxville. 426 Comment
  UCD148771  Rorippa palustris subsp. palustris Jake Ruygt 2004-4-3 4578 Napa Napa County; east of Knoxville Creek on ridge bordering Foley Creek. 414 Comment
  CAS-BOT-BC147535  Rosa californica J. T. Howell 1933-8-27 11629 Napa Sage Canyon, Napa Range Comment
  JEPS110648  Rosa californica Jake Ruygt 2007-5-14 593 Napa NE corner of Trefethen Vineyards, Dry Creek 22 Comment
  SBBG3086  Rosa californica J. M. Tucker 1941-9-20 403 Napa mtns between Monticello and Pope Valley Comment
  CAS-BOT-BC148154  Rosa gymnocarpa Peter H. Raven 1950-5-6 2035 Napa S. limits of Calistoga, on Rt. 28 60 Comment
  CAS-BOT-BC148156  Rosa gymnocarpa Peter H. Raven 1964-5-9 19055 Napa Edge of redwood grove along dirt road 2 miles west of Aetna Springs Comment
  CAS-BOT-BC148159  Rosa gymnocarpa Alice Eastwood 1922-5-4 11248 Napa Calistoga 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
  JEPS112570  Rosa rubiginosa Jake Ruygt 1987-5-11 1983 Napa Milliken Creek below Foss Valley 393 Comment
  UCD113843  Rubus parviflorus K. Esau 1920-4-19 s.n. Napa Calistoga. Comment
  CAS-BOT-BC421598  Rumex crispus Peter H. Raven 1952-5-29 4072 Napa Napa River 1 mi. n. Napa 60 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
  JEPS115686  Rumex maritimus Lowell Ahart 2009-10-27 16493 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, abou 130 Comment
  JEPS110754  Rumex pulcher Jake Ruygt 1982-6-6 1306 Napa south of Suscol Hill, west of HWY 29 9 Comment
  CAS-BOT-BC433758  Rumex pulcher Peter H. Raven 1952-5-31 4099 Napa Yountville 30 Comment
  JEPS65646  Rupertia physodes W. L. Jepson 1924-4-27 10371 Napa Toll House Mt. St. Helena Comment
  UCD161214  Salicornia pacifica Jake Ruygt 1993-8-28 3289 Napa Bentley Wharf. 0 Comment
  UC1093859  Salicornia virginica Herbert L. Mason 1923-10-6 773 Napa Suisun Marsh Comment
  UC465477  Salicornia virginica Milo S. Baker Aug 1900 Napa near Napa River Comment
  CAS-BOT-BC108667  Salix breweri John Thomas Howell 1930-10-19 5629 Napa Stream bottom, 5 miles from Aetna Springs on Butts Canyon Road to Middletown. Comment
  SBBG34174  Salix breweri E. L. Smith 1967-5-7 Napa Butts Crk, below small reservoir at NW end of cyn where rd from Pope Valley enters Butts Cyn, 6.9 mi NW of Pope Valley Comment
Read comments
Sep 28 2012
  SD958  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butt Canyon, between Pope Springs and Aetna Valley, glade on wooded hillside 299 Comment
  UC1010435  Salix breweri Milo S. Baker 1931-4-2 5127 Napa on Middletown Rd. 7 mi from Pope Val. Store Comment
  UC481209  Salix breweri Ball, Bracelin, Parks and Parks 1931-4-21 26 Napa near junction with St. Helena Creek (about 6 km s of Middletown, about 120 m above creek mouth); Mirabel Creek 420 Comment
  UC482103  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 a Napa between Pope Springs and Aetna Valley; Butt Canyon Comment
  UCD148846  Salix breweri Ellen Dean; Diana Hickson 2014-4-29 8149 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 462 Comment
  UCR64474  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa North Coast Ranges, Butts Canyon, between Pope Springs and Aetna Valley 375 Comment
  RSA3941  Salix exigua I. L. Wiggins 1932-3-12 5756 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UCD164793  Salix exigua var. hindsiana Jake Ruygt 1979-3-13 452 Napa Trefethen Vineyards at Dry Creek. 22 Comment
  CAS-BOT-BC108190  Salix hindsiana C. F. Baker 1903-4-19 1996 Napa Calistoga Comment
  UC5024  Salix laevigata Willis L. Jepson 1893-5-8 Napa beyond Angwin's Howell Mt. Comment
  CAS-BOT-BC539356  Salix laevigata Jake Ruygt 2008-4-24 5304 -c Napa Soscvol Creek at Hwy 29 19 Comment
  UCD164802  Salix laevigata Jake Ruygt 1994-4-26 3356 -b Napa North of Barnett and Pope Valley Rd. 240 Comment
  UCD164806  Salix laevigata Jake Ruygt 1997-4-8 3827 Napa East end of Taplin Road; Heitz Cellars. 109 Comment
  UC5035  Salix lasiandra subsp. lasiandra W. L. Jepson May 1895 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  UCD164814  Salix lasiandra var. lasiandra Jake Ruygt 1992-7-10 3077 Napa Yountville Ecological Reserve, Yount-ville Crossroad. 25 Comment
  CDA21154  Salix lasiolepis G. F. Hrusa 1998-3-15 14153 B Napa North Coast Biodiversity Arena; Hwy 128 at Lake Hennessey. Comment
  CHSC20623  Salix lasiolepis Carol C. Getzinger 1964-3-24 16 Napa Junction of Redwood Road and Brown's Valley Road. 152 Comment
  POM281347  Salix lasiolepis Lyman D. Benson 1930-3-31 2022 Napa Town: Middletown (Lake Co); Mt. Range: N Coast;. N side Mt. St. Helena at Lake Co. line. 518 Comment
  UCD164811  Salix lasiolepis Jake Ruygt 1996-5-11 3660 Napa SE of Suscol; Napa Sanitation District. 3 Comment
  SEINET7972676  Salvia columbariae W. Roderick 1967-5-7 s.n. Napa Oakville Road. 152 Comment
  CAS-BOT-BC225172  Salvia sonomensis H. E. McMinn 1925-5-25 970 Napa Summit Wooden Valley Grade 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
  UCD73452  Salvia sonomensis Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  POM196058  Sanicula bipinnata L. F. Robbins 1928-3-18 s.n. Napa Putah Canyon. Comment
  CAS-BOT-BC223277  Sanicula bipinnatifida Saichi Kawahara 1968-4-20 353 Napa 2 miles southwest of Pope Valley; Pope Valley-Angwin Road 499 Comment
  UCD148828  Sanicula bipinnatifida Ellen Dean; Diana Hickson 2014-4-29 8133 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD48517  Sanicula bipinnatifida C. Mathews; C. Little, K. Glover, T. Petrie 2001-4-14 17 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; slopes between West Rd. and Decker Bay Trail, 300 ft. N of creek, 160 ft. NE of small dry creek bed. 167 Comment
  UCD81468  Sanicula bipinnatifida M. Wiesendanger 1927-5-4 679 Napa Near Monticello. Comment
  SEINET11155924  Sanicula bipinnatifida K. Suhr 1967-3-24 s.n. Napa S shore of Lake Berryessa, Steele Park Resort. Comment
  UC658996  Sanicula bipinnatifida Mildred E. Mathias 1938-4-24 1333 Napa e side of Mount St. Helena Mount St. Helena 457 Comment
  UC1368792  Sanicula crassicaulis David H. French 1968-4-20 2860 Napa about 11 mi nw of Napa (w side of road called Silverado Trail) Comment
  UC658973  Sanicula crassicaulis Mildred E. Mathias 1937-5-23 1281 Napa Mount St. Helena, along Highway 29 Mount St. Helena; , Highway 29 533 Comment
  UCD18024  Sanicula tuberosa Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 570 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  UC1245377  Sanicula tuberosa Joseph P. Tracy 1950-5-23 18681 Napa Howell Mt, in Las Posadas State Forest, Head of Moore's Creek Moore's Creek; Howell Mt, Las Posadas State Forest, Moore's Creek 365 Comment
  JEPS120427  Saxifraga californica Jake Ruygt 2010-3-27 5491 Napa Devil's Canyon on east side near falls. Comment
  SEINET7063154  Scandix pecten-veneris A. G. Vestal 1963-4-7 s.n. Napa A meadow about 4.3 miles north of Saint Helena at the crossroad from Route 29. UTM Zone 10, 541875mE, 4267249mN. (WGS84/NAD83). 106 Comment
  SFV11127  Scandix pecten-veneris F. M. Ball May 1961 s. n. Napa 2 miles north of Calistoga on State Highway 29. Roadside. 130 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
  CAS-BOT-BC21128  Schoenoplectus acutus var. occidentalis Peter H. Raven 1952-5-31 4118 Napa 2.5 miles east of Yountville. 60 Comment
  JEPS121366  Scirpus californicus Jake Ruygt 1996-5-11 3658 Napa SE of Suscol; Napa Sanitation District; Somky Ranch. Comment
  UC1103133  Scribneria bolanderi Joseph P. Tracy 1902-5-18 1538 1/2 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, on La Jota Plateau, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  UC1746021  Scribneria bolanderi Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2772 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UCD169890  Scrophularia californica Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 730 Napa Knoxville Wildlife Area. 311 Comment
  JEPS112636  Scutellaria antirrhinoides Jake Ruygt 1986-6-9 1806 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd., Milliken Cn 445 Comment
  UC634870  Scutellaria californica H. L. Mason 1934-4-30 8106 Napa 5 mi s of Putah Creek (tributary of Putah Creek, Napa) Comment
  JEPS112644  Scutellaria siphocampyloides Jake Ruygt 1980-6-7 922 Napa 23.4 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 633 Comment
  UCD160790  Scutellaria siphocampyloides Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8670 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  SFV12213  Sedella pumila W. R. Russell 1967-5-10 s. n. Napa Just north of Soscol House restaurant, about 2 miles south of Napa State Hospital on State Highway 29. Comment
  UC205176  Sedum radiatum Katharine Brandegee 1909-6-1 Napa Pope Valley grade Comment
  CAS-BOT-BC63777  Sedum radiatum subsp. radiatum Alice Eastwood 1923-5-9 s.n. Napa Mt. St. Helena Comment
  UC205200  Sedum spathulifolium H. P. Chandler 1907-5-8 7558 Napa White Sulphur Spr , White Sulphur Spr (St. Helena) Comment
  CAS-BOT-BC69711  Selaginella wallacei John Thomas Howell 1941-4-5 16163 Napa Franz Valley. Comment
  JEPS103970  Selaginella wallacei Jake Ruygt 1992-7-4 3068 Napa East side of Mt. George (Lair property) Wild Horse Valley. 417 Comment
  CAS-BOT-BC69715  Selaginella wallacei Alice Eastwood s.n. Napa Mt. St. Helena. Comment
  JEPS106850  Senecio aronicoides Jake Ruygt 1979-4-23 543 Napa 2.1 miles east of Silverado Trail on HWY 128 106 Comment
  JEPS37452  Senecio aronicoides W. L. Jepson 1938-5-22 18837 Napa Howell Mts. Comment
  UCR66508  Senecio eurycephalus Thomas W. Nelson, J. P. Smith, Jane P. Nelson, et al. 1976-4-12 2348 Napa along Morgan Valley Rd. c. 1.5 mi east of Lake Co. line 633 Comment
  RSA15117  Senecio eurycephalus J. T. Howell 1935-5-12 12626 Napa Pope Creek Canyon one mile below Samuels Springs. Comment
  JEPS122689  Senecio minimus Jake Ruygt 1998-7-4 4068 Napa 4.4 miles NW of Browns Valley Road on Redwood Road. Quad: Sonoma. Comment
  CDA11136  Senecio vulgaris G. F. Hrusa, G. L. Stebbins, H. Townsend 1994-4-25 11826 Napa North Coast Biodiversity Arena; Mt. George Comment
  UCD159909  Senecio vulgaris Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section. 243 Comment
  CAS-BOT-BC364595  Senecio vulgaris Ira L. Wiggins 1928-3-25 2873 Napa 1 1/2 mi. N.E. of Calistoga Comment
  CAS-BOT-BC243632  Setaria pumila Peter H. Raven 1952-9-14 5184 Napa Napa State Game Farm 121 Comment
  CAS-BOT-BC240158  Setaria verticillata Peter H. Raven 1951-8-21 3879 Napa Lokoya 457 Comment
  UCD92839  Setaria viridis Beecher Crampton 1964-8-18 7152 Napa 2 miles north of Calistoga Tubbs Lane, entrance to Old Faithful Geyser. Comment
  UCD160750  Sidalcea Ellen Dean 2015-5-23 8802 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. 207 Comment
  UCD81824  Sidalcea diploscypha Ellen Dean 2009-4-24 5451 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UC518944  Sidalcea diploscypha David D. Keck 1933-5-29 2363 Napa s Walters Springs (Pope Creek Bridge, to s of creek); s of Walters Springs, Pope Creek Bridge Comment
  UC871440  Sidalcea diploscypha M. S. Jussel 1937-5-23 Napa Mt. St. Helena Comment
  JEPS110725 Image available Sidalcea hickmanii subsp. napensis Jake Ruygt 1992-5-15 2959 Napa west of Leoma Lakes at base of Mt. George 420 Comment
  UCD20538  Sidalcea keckii E. Dean; w/ PLB 102 class 2002-4-4 1000 Napa McLaughlin UC Reserve. Along Knoxville-Berryesa road just W of turnoff to old town of Knoxville, N side of road. 441 Comment
  UC161053  Silene antirrhina Joseph P. Tracy 1902-5-16 1496 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mt., Moore's Creek 457 Comment
  UCD148759  Silene coniflora Jake Ruygt 2000-6-10 4265 Napa Napa County; Berryessa Knoxville Rd. at old homestead near Zim Zim Creek. 274 Comment
  UCD170357  Silene gallica Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 856 Napa Knoxville Wildlife Area, northeast of Zim Zim Falls. 465 Comment
  UCD18134  Silene gallica Jean Shepard; with PLB 102 class 2000-4-29 183 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD47952  Sisymbrium officinale M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 7 Napa McLaughlin UC Reserve. SW of old town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 Comment
  HSC45337  Sisyrinchium bellum R. York 1978-4-8 107 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  RSA133663  Sisyrinchium bellum John H. Thomas 1955-5-21 5161 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena. 244 Comment
  UC1032510  Sisyrinchium bellum A. Lewis 1932-5-18 100 Napa Sarco Creek 182 Comment
  UCD138844  Sisyrinchium bellum L. P. Thibault 1995-5-19 43 Napa Highway 128, ca. 1/2 mile W of intersection with Lower Chiles Valley Road and W of Sage Creek. 250 Comment
  UCD48248  Sisyrinchium bellum R. Brush; A. Atamian, C. Owens, S. Olmsted, M. Furuyama 2000-4-29 12 Napa The border between Yolo and Napa counties, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burn area (burned Oct 1999). 640 Comment
  SEINET4171055  Sisyrinchium bellum Unknown 1967-5-1 Napa 13.4 miles W. of Winters on State Hwy 128 137 Comment
  UCD138805  Sisyrinchium bellum Alan P. Godlewski 1974-5-3 s.n. Napa on a north slope, west of Lake Berryessa 50 yards from Highway 128. Comment
  UCD49293  Solanum parishii A. Collier; D. Caterson and S. Kenady 2002-5-4 14 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Along upper road leading to power lines, 2 m N of road. 335 Comment
  UCD127010  Solanum rostratum Baade 1925-8-24 s.n. Napa Napa Comment
  JEPS110903  Solanum umbelliferum Jake Ruygt 1980-5-3 872 Napa Bear Valley 640 Comment
  JEPS110919  Solanum umbelliferum Jake Ruygt 1993-4-12 3203 Napa south of James Creek Road and Butts Cany on Road. 219 Comment
  JEPS47332  Solanum umbelliferum L. R. Heckard and R. Bacigalupi 1965-5-15 1460 Napa about 5 mi s of Knoxville ( along Nevada Creek); Nevada Creek 304 Comment
  UC565385  Solanum umbelliferum M. Elsie Osgood 1937-4-19 Napa hill 7 mi e of Napa (on the road to Monticello) Comment
  UCD40899  Solanum xanti Katherine Countrey 1983-4-22 4 Napa About 8 miles east of Winters on Hwy 128 at the Monticello Dam Parking area. Comment
  CDA11826  Solidago californica G. F. Hrusa 1993-10-3 11424 Napa North Coast Biodiversity Arena; 2.1 m. SW along Knowxville-Devilhead Rd. from Knoxville-Berryessa Rd. 518 Comment
  JEPS32417  Solidago elongata W. L. Jepson 1894-11-8 Napa St. Helena Comment
  UC36208  Solidago elongata Willis L. Jepson 1893-9-24 Napa Howell Mt. Napa River Basin, , Angwin's Meadows (Napa River Basin, Angwin's Meadows) Comment
  CAS-BOT-BC365095  Solidago velutina subsp. californica John Thomas Howell 1933-8-27 11626 Napa Sage Canyon, Napa Range Comment
  UC1776802  Solidago velutina subsp. californica G. F. Hrusa 1993-10-3 11424 Napa North Coast Biodiversity Arena; 2.1 m. SW along Knowxville-Devilhead Rd. from Knoxville-Berryessa Rd 518 Comment
  JEPS37531  Sonchus oleraceus W. L. Jepson 1936-6-2 17605 Napa banks Napa River (St. Helena); banks Napa River, St. Helena Comment
  CAS-BOT-BC374656  Sonchus oleraceus Peter H. Raven 1954-2-22 6396 Napa Saint Helena 60 Comment
  POM118625  Spergula arvensis Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC390291  Spergularia macrotheca var. longistyla Alice Eastwood 1915-6-5 4639 Napa Calistoga Comment
  SBBG4738  Sphaeralcea ambigua H. and M. Dearing 1939-4-9 3144 Napa Spring Mtn Grade Comment
  JEPS128908  Spiranthes porrifolia Jake Ruygt 1996-6-23 3756 Napa Wontrup Wildlife Sanctuary, Hardin Road, Pope Valley. Saint Helena 7.5' Quad. Comment
  SEINET9367953  Stachys ajugoides var. ajugoides Unknown 1995-9-12 12461 Napa Napa County Comment
  UCD166639  Stachys stricta Jake Ruygt 1992-7-22 3109 Napa south end of Wooden Valley, on Wild Horse Valley Ranch. 179 Comment
  UC650401  Stellaria media Ira L. Wiggins 1928-3-25 2874 Napa 1.5 mi ne Calistoga Comment
  CAS-BOT-BC375247  Stephanomeria elata Peter H. Raven 1951-6-26 3057 Napa Wooden Valley Grade 304 Comment
  CDA34655  Stephanomeria virgata subsp. pleurocarpa L. Ahart 2009-10-12 16430 Napa Just above the high water line of Lake Berryessa, along the west side of Capell Creek north of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  SACT002371  Stipa lepida John Willoughby 1977-4-27 Napa Along State Highway 128 near Monticello Dam, northwest facing slope on south side of highway. Comment
  CAS-BOT-BC61145  Streptanthus barbiger John Thomas Howell 1941-6-22 16323 Napa Hills southwest of Saint Helena. Comment
  CAS-BOT-BC61247  Streptanthus breweri Robert F. Hoover 1966-5-28 9879 Napa Just south of summit on Butts Canyon road from Pope Valley. Comment
  CAS-BOT-BC61253  Streptanthus breweri Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5323 Napa Soda Creek, east of Chiles Valley. 121 Comment
  JEPS106607  Streptanthus breweri var. breweri Jake Ruygt 1981-5-6 1019 Napa .2 miles east of Walter Spprings bridge on Pope Rd. 207 Comment
  UC1198805  Streptanthus breweri var. hesperidis Joseph P. Tracy 1899-7-6 407 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  UC1292725  Streptanthus breweri var. hesperidis Freed W. Hoffman 1947-8-4 1041 Napa near Detert Reservoir; Napa-Lake County line Comment
  RSA94058  Streptanthus glandulosus R. C. Barneby 1954-4-30 11335 Napa Conn Valley. near the slipway., 300 [ft? m?] Comment
  UCD116005  Streptanthus glandulosus subsp. glandulosus W. M. Grannell 1950-4-27 1 Napa Putah Canyon. Comment
  UCD74407  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1986-3-29 1677 Napa Devilshead Rd. area; 'sensitive plant canyon. 420 Comment
  CAS-BOT-BC87329  Streptanthus hesperidis Joseph P. Tracy 1905-7-6 2219 Napa Northern Coast Ranges. Howell Mountain. On hills at head of Moore's Creek, 3-4 miles east of Angwin's. 457 Comment
  CAS-BOT-BC87331  Streptanthus hesperidis Roger Raiche 1986-5-5 60209 Napa Near Yolo county line. Morgan Valley area, Reif-Rayhouse Road ca. 0.1 mile west of county line. 743 Comment
  JEPS96911  Streptanthus morrisonii Dean W. Taylor 1998-6-23 16690 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
Read comments
Apr 14 2012
  UCD75709  Streptanthus morrisonii Jake Ruygt 2008-4-12 5285 Napa About 1.5 miles northwest of Zim-Zim Falls. 530 Comment
  UCR66571  Streptanthus morrisonii subsp. elatus Robert M. Specht 1977-5-15 884 Napa Serpentine barrens on N running ridge below Develhead Rd in drainage 473 Comment
  JEPS12886  Symphoricarpos albus var. laevigatus Willis L. Jepson 1893-6-26 Napa hills e St. Helena; Napa River Basin Comment
  CAS-BOT-BC97741  Symphyotrichum chilense Alice Eastwood; John Thomas Howell 1939-6-11 7419 Napa Hood Mt. Range sw. of Oakville Comment
  CAS-BOT-BC98080  Symphyotrichum lentum John Thomas Howell 1932-9-17 10758 Napa 3 miles west of Napa Comment
  JEPS104539  Symphyotrichum spathulatum Jake Ruygt 1992-7-10 3081 Napa Yountville Ecological Reserve, Yountville Crossroad 27 Comment
  UC1536891  Symphyotrichum spathulatum G. H. True Jr. 1937-10-12 842 Napa near Lokoya Lodge Comment
  UC521700  Symphyotrichum spathulatum Joseph Andorfer Ewan 1933-9-17 8000 Napa Napa Napa Valley Comment
  JEPS40770  Symphyotrichum subspicatum Willis L. Jepson 1894-11-7 Napa Napa City Napa River Basin Comment
  JEPS40785  Symphyotrichum subspicatum Willis L. Jepson 1894-11-7 Napa Napa City Comment
  JEPS104522  Symphyotrichum subulatum Jake Ruygt 1991-9-21 2841 Napa Kennedy Park, north of the boatramp 1 Comment
  UCD37949  Taeniatherum caput-medusae Beecher Crampton 1962-5-16 6436 Napa Napa County, town of Pope Valley. Comment
  HSC58999  Tamarix ramosissima Bill Lutes 1975-4-26 149 Napa Near Knoxville, close to the town of Lower Lake. 375 Comment
  JEPS21536  Tanacetum parthenium W. L. Jepson 1918-6-24 Napa Silverado, an abandoned inn half-way up to the grade to the Tollhouse on Mt. St. Helena Mt. St. Helena Comment
  JEPS120387  Teesdalia coronopifolia Jake Ruygt 2001-3-24 4301 Napa NE of Table Rock along PG&E road. Detert Reservoir 7.5' Quad. Comment
  CDA20091  Tetrapteron graciliflorum A. Howald 2003-4-23 2302 Napa North Coast Ranges; Missimer Snell Valley Wildflower Area, 2.3 mi E of Butts Cyn Rd on Snell Valley Rd. Comment
  CDA12199  Thermopsis californica var. californica G. F. Hrusa 1989-4-29 6045 Napa North Coast Biodiversity Arena; Chiles Valley Rd., approx. 2 km N of junction of Hwy 128 and Chiles Valley Rd. Comment
  CHSC108734  Thermopsis californica var. californica B. Castro; L. P. Janeway 2002-5-12 1360 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 505 Comment
  UCD48028  Thermopsis californica var. californica R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 20 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  SBBG115391  Thermopsis californica var. californica T. Adams 1998-5-10 17 Napa 6 mi up Soda Cyn Rd Comment
  UC1537026  Thermopsis macrophylla var. macrophylla Gordon H. True Jr. 1938-4-13 864 Napa roadside near Oak Knoll Comment
  CAS-BOT-BC66496  Thysanocarpus curvipes David D. Keck 1933-5-29 2352 Napa Pope Creek bridge south of Walters Springs. Comment
  CAS-BOT-BC66499  Thysanocarpus curvipes Alice Eastwood 1918-5-1 6846 Napa Mount Saint Helena. Comment
  UC11013  Thysanocarpus curvipes Willis L. Jepson 1893-4-26 Napa La Lomita; Napa River Basin, La Lomita Comment
  UCD148799  Thysanocarpus curvipes Ellen Dean; Diana Hickson 2014-4-29 8106 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 513 Comment
  UCD81816  Thysanocarpus curvipes Ellen Dean 2009-4-24 5443 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  CAS-BOT-BC66490  Thysanocarpus curvipes John Thomas Howell 1934-3-26 11796 Napa South side of Mount Saint Helena. 4 miles from Calistoga. 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
  JEPS81602  Thysanocarpus curvipes var. elegans R. Raiche 1982-3-7 20190 Napa on Chiles and Pope Valley Road 1.3 mi n Sage Canyon Road Comment
  CAS-BOT-BC67310  Thysanocarpus radians Peter H. Raven 1953-4-2 5296 Napa Tulucay Creek. 152 Comment
  JEPS667 Image available Thysanocarpus radians W. L. Jepson 1893-4-28 30 n Napa plateau n Mt. George Comment
  CDA11318  Tonella tenella G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12024 Napa UC Quail Ridge Reserve. Immediately below field house. 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
  UC875671  Torilis nodosa M. S. Jussel 1937-5-23 Napa Palisades Comment
  UCD55060  Toxicoscordion fremontii E. A. Dean; Virginia Boucher 2002-2-28 907 Napa Quail Ridge Reserve. Along lower trail leading from West Road toward powerlines at tip of ridge, very close to junction with West Road. 304 Comment
  UCD147533  Toxicoscordion micranthum Ellen Dean; Diana Hickson 2014-4-29 8087 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  JEPS112639  Trichostema laxum Jake Ruygt 1979-6-9 687 Napa 23.7 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 609 Comment
  UCD166642  Trichostema laxum Jake Ruygt 2007-7-1 5245 Napa west of Hwy 29, near Lake County line. 541 Comment
  UCD18105  Trichostema laxum K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 41 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  JEPS108655 Image available Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa Mead Ranch, Atlas peak Road, south of Foss Valley 481 Comment
  JEPS108657  Trichostema ruygtii Jake Ruygt 2004-9-4 4656 Napa Las Posadas State Experimental Forest 524 Comment
  JEPS120350  Trichostema ruygtii Jake Ruygt 2004-7-25 4633 Napa Atlas Peak Road, 7.1 miles north of Monticello Road. Capell Valley 7.5' Quad. Comment
  RSA0004018  Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa Mead Ranch, Atlas Peak Road, south of Foss Valley. 482 Comment
  UCD166646  Trichostema ruygtii Jake Ruygt 1998-8-15 4105 Napa Atlas Peak Road, Mead Ranch. 487 Comment
  UC1925878  Trifolium Ethel Crum 1931-1 1064 Napa Pope Valley Comment
  UCD83437  Trifolium albopurpureum Jake Ruygt 1993-5-1 3235 Napa SW end of Cedar Creek Rd. 463 Comment
  UC137700  Trifolium albopurpureum var. dichotomum C. F. Baker 1903-4-19 1999 Napa St. Helena Comment
  JEPS106694  Trifolium barbigerum var. barbigerum Jake Ruygt 1981-4-27 1007 Napa Milton Rd. across from Maury's Yachts 1 Comment
  JEPS129083  Trifolium bifidum var. decipiens Jake Ruygt 2016-4-16 6191 Napa Smitty Ranch, east of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  JEPS129177  Trifolium bifidum var. decipiens Jake Ruygt 2015-4-25 6083 c Napa Missimer - Snell Valley Preserve. Yountville 7.5' Quad. Comment
  UCD48976  Trifolium bifidum var. decipiens Kook-Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 10 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca.0.45 miles (2400 ft.) 'as the crow flies' NW of jct with South Decker Canyon Rd.; downslope of West Rd. ca. 20 m. 242 Comment
  JEPS106799  Trifolium ciliolatum Jake Ruygt 1996-5-4 3648 Napa Butts Canyon Road at James Creek Road; field to SE. 205 Comment
  UCD108358  Trifolium depauperatum var. amplectens D. C. Finfrock 1950-4-6 21 Napa 14 miles from Monticello, Pope Valley. Comment
  JEPS106829  Trifolium depauperatum var. hydrophilum Jake Ruygt 1996-4-11 3593 Napa Calistoga Airport 105 Comment
  UC917166  Trifolium depauperatum var. truncatum D. C. Finfrock 1950-4-6 21 Napa 14 mi from Monticello (Mountain meadow); Pope valley Comment
  UC2043167  Trifolium dichotomum Barbara Ertter with Jake Ruygt 1996-4-25 14598 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  UCR141074  Trifolium dichotomum Beecher Crampton 1955-4-7 2439 Napa Inner North Coast Ranges, 0.25 mile northwest of Knoxville 457 Comment
  SEINET10577229 Image available Trifolium dichotomum Charles F. Baker 1903-4-20 Baker 2625 Napa Mt. St. Helena. Common about rocky summits. Comment
  UCD41327  Trifolium dubium Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 2 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, W side of Knoxville Creek, 1 road mile S of the gate to old town of Knoxville. 353 Comment
  UCD83444  Trifolium dubium Jake Ruygt 1991-6-10 2714 Napa Lake Henne, Friesen's Lakes. 553 Comment
  JEPS106826  Trifolium fragiferum Jake Ruygt 1983-6-21 1336 Napa Suscol plain, north west side of Kaiser 3 Comment
  UC1130025  Trifolium fucatum B. Schreiber 1936-3-5 2209 Napa 0.3 mi wsw Petrified Forest; Calistoga quad 274 Comment
Read comments
Jun 12 2012
  JEPS106611  Trifolium gracilentum var. gracilentum Jake Ruygt 1996-4-10 3571 Napa Milliken Peak 219 Comment
  JEPS33666  Trifolium gracilentum var. gracilentum John Thomas Howell 1926-3-28 1776 Napa near Calistoga (Myrtledale Hot Springs) Comment
  POM21662  Trifolium microcephalum C. F. Baker 1909-4-19 1994 Napa Calistoga. Comment
  UCD167165  Trifolium microcephalum Jake Ruygt 2015-4-20 6070 Napa Fernandes/ Land Trust, Snell Peak area. 319 Comment
  RSA10698  Trifolium microcephalum Carl B. Wolf 1928-5-3 1789 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD111441  Trifolium microcephalum P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  POM18841  Trifolium oliganthum C. F. Baker 1903-4-20 2606 Napa Mt. St. Helena. Comment
  UCD128339  Trifolium resupinatum Virginia Moran 2012-5-1 s.n. Napa No exact location. Comment
  CDA4314  Trifolium subterraneum T. C. Fuller 1958-5-1 3725 Napa Matheson property, 2092 Los Amigos Road, Napa. 0 Comment
  SEINET4206974  Trifolium variegatum Beecher Crampton 1962-5-8 6414 Napa 2 miles north of Calistoga, Myrtledale Hotsprings meadow.; 0 Comment
  UC1197559  Trifolium variegatum var. melananthum Joseph P. Tracy 1902-5-26 1634 Napa near Calistoga; Napa Valley 91 Comment
  UC1300877  Trifolium variegatum var. variegatum Helen K. Sharsmith 1963-4-20 5329 Napa 4 mi s Napa (off of Kelly Rd) Comment
  CHSC79317  Trifolium willdenovii Beecher Crampton 1970-4-15 8561 Napa East slope of Wragg Canyon. Comment
  UC137707  Trifolium willdenovii C. F. B. 1903-4-19 1992 Napa Calistoga Comment
  UCD17969  Trifolium willdenovii Ellen Dean; Kate Mawdsley 2001-4-9 688 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UCD48992  Trifolium willdenovii K. Mogel; B. Pekin and M. Higley 2002-5-4 6 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 300 ft. along the lower road that leads to the power lines; 20 ft. upslope of road. 320 Comment
  UCD109875  Trifolium willdenovii Helen K. Sharsmith 1963-3-17 5230 Napa Along Silverado Trail. 76 Comment
  JEPS106754  Trifolium wormskioldii Jake Ruygt 1982-5-8 1229 Napa north side of American Canyon 85 Comment
  CAS-BOT-BC520827  Trillium albidum Peter H. Raven 1950-4-15 1734 Napa Napa: Wooden Valley Comment
  RSA10656  Trillium chloropetalum var. chloropetalum Carl B. Wolf 1928-5-3 1833 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  JEPS11784  Triodanis biflora W. L. Jepson 1896-6-2 Napa Napa Valley Comment
  JEPS129160  Triphysaria eriantha Jake Ruygt 2015-3-28 6056 Napa Upper Bohn Lake. Aetna Springs 7.5' Quad. Comment
  UCD123379  Triphysaria eriantha D. C. Finfrock 1950-4-6 22 Napa 14 miles from Monticello and 3 miles from Pope Valley. Comment
  UCD170206  Triphysaria eriantha Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 751 Napa Knoxville Wildlife Area, east of Berryessa-Knoxville Road. 246 Comment
  JEPS74865  Triphysaria eriantha subsp. eriantha T. I. and F. M. Chuang 1975-5-4 7510 Napa 5.7 mi e Pope Valley; e of Pope Valley Comment
  UC194178  Triphysaria eriantha subsp. eriantha C. F. Sonne April 1896 Napa near Napa Junction; near Napa Junction Comment
  JEPS110675  Triphysaria pusilla Jake Ruygt 1979-4-17 523 a Napa north of Suscol Hill 24 Comment
  JEPS10434  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1922-4-21 9624 Napa Napa Jct 22 Comment
  JEPS11167  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1915-4-23 6258 Napa Conn Valley Comment
  UC1220982  Triphysaria versicolor subsp. faucibarbata Beecher Crampton 1962-5-8 6413 Napa 2 mi n Calistoga (Myrtledale Hot Springs); Myrtledale Hot Springs Comment
  UCD148587  Triphysaria versicolor subsp. faucibarbata G. F. Hrusa; S. Larson 1995-4-10 12060 Napa Along Pope Canyon Road approximately 1 mile east of intersection of Pope Valley-Chiles Valley Road and Pope Canyon Road. 180 Comment
  UCD123417  Triphysaria versicolor subsp. faucibarbata Beecher Crampton 1950-5-7 570 Napa south of Yountsville, Napa Valley. 45 Comment
  UC1334896  Triphysaria versicolor subsp. versicolor L. D. Thurman 1965-4-13 647 Napa on Silvarado trail 5 mi n Napa; on Silverado Trail Comment
  UC187231  Trisetum canescens Joseph P. Tracy 1903-5-15 1868 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UCR24352  Trisetum canescens John C. Roos 1939-5-7 297 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  JEPS58047  Triteleia laxa R. H. Platt May 1916 Napa nw of Berryessa Valley (above Pope Valley); Upper Putah Creek Comment
  UCD139374  Triteleia laxa M. Sidells 1996-4-27 18 Napa on side of Route 128, 2 miles east of Lake Berryessa. 200 Comment
  UCD48278  Triteleia laxa E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 24 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  UCD48792  Triteleia laxa A. Collier; D. Caterson and S. Kenady 2002-5-4 15 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Along upper road leading to power lines, both N and S of road. 335 Comment
  UC15022  Triteleia lugens J. P. Tracy 1902-5-15 1450 Napa 3-4 mi e Angwuns (head of Moore's Creek); Howell Mtn 457 Comment
  UCD160647  Triteleia peduncularis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8733 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  UCD132723  Ulmus minor Ramona Robison 2012-4-26 s.n. Napa Bale Grist Mill State Historic Park. Growing near Grist Mill. 106 Comment
  CAS-BOT-BC91196  Umbellularia californica Ira L. Wiggins 1932-3-12 5754 Napa Bank of North Fork of Napa River 1 mile north of Calistoga. Comment
  CAS-BOT-BC91199  Umbellularia californica Peter H. Raven 1954-1-22 6384 Napa Sulfur Springs Canyon just north of the resort. 182 Comment
  CAS-BOT-BC91200  Umbellularia californica F. G. Krauss 1893-10-5 s.n. Napa West of Calistoga. Comment
  CDA21069  Umbellularia californica G. F. Hrusa, G. L. Stebbins 1993-10-3 11461 Napa Sugarloaf Ridge State Park. Trail to Bald Mountain. Midway, 518 Comment
  RSA195375  Umbellularia californica Gilbert Muth 1967-1-18 511 Napa Pine Hill Road, Angwin. 534 Comment
  UCD38864  Umbellularia californica Beecher Crampton 1962-10-9 6705 Napa 5 miles north Conn. Reservoir. (Lake Hennessey) Lower Chiles Valley Road. Comment
  UC36689  Uropappus lindleyi Willis L. Jepson 1894-5-1 Napa Conn Valley , Conn Valley (Napa River Basin) Comment
  UC36693  Uropappus lindleyi W. L. Jepson 1894-5-3 Napa St. Helena Napa River Basin; St. Helena, Napa River Basin Comment
  UCD118544  Uropappus lindleyi Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 404 Comment
  UCD170805  Uropappus lindleyi 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 135 Comment
  JEPS35633  Uropappus lindleyi W. L. Jepson 1893-1 Napa upper Napa Valley; upper Napa Valley Comment
  SBBG15296  Uropappus lindleyi H. and M. Dearing 1939-5-3 3262 Napa Near Street, Helena Comment
  RSA296863  Vaccinium macrocarpon Leland S. Smith 1936-11-14 2800 Napa 1 mile south of North Columbia, hydraulic digging. 915 Comment
  UC9794  Vancouveria planipetala Willis L. Jepson 1894-5-1 Napa near Calistoga; Napa River Basin, near Calistoga Comment
  JEPS120395  Velezia rigida Jake Ruygt 1998-6-6 4010 Napa About 1/2 mile north of historic Knoxville on Berry[essa]-Kn[oxville Road] Comment
  JEPS11172  Verbascum blattaria W. L. Jepson 1936-6-2 17607 Napa near bridge on road to Sanitarium St. Helena (banks of Napa River); banks of Napa River Comment
  CHSC107512  Veronica americana M. K. Beyers; F. Favela, J. McDonnell 2009-8-29 211 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
  JEPS115741  Veronica anagallis-aquatica Lowell Ahart 2009-10-12 16453 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Win 133 Comment
  JEPS110605  Veronica catenata Jake Ruygt 2004-6-12 4616 Napa 3/4 mi E of Blue Monday Mine 335 Comment
  UCD117801  Vicia americana subsp. americana Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 1 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCD167054  Vicia americana subsp. americana Jake Ruygt 1992-4-29 2919 Napa Wild Horse Valley Ranch, SW of the south pond. 448 Comment
  UC162845  Vicia americana var. americana Joseph P. Tracy 1902-5-21 1617 Napa 3 to 4 mi e Angwin's (La Jota Plateau, on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  UCD168572  Vicia sativa 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
  UCD109152  Vicia villosa subsp. varia Helen K. Sharsmith 1963-4-20 5351 Napa East side Napa Range on Monticello Road above Wooden Valley. 243 Comment
  CDA11438  Viola glabella G. F. Hrusa, M. Tu 1995-5-6 12161 Napa North Coast Biodiversity Arena; Summit of Howell Mtn. in Las Posadas State Forest, vicinity of fire station. Comment
  SJSU11033  Viola lobata D. L. Blair 1968-4-5 Napa Pope Valley Comment
  RSA10664  Viola lobata Carl B. Wolf 1928-5-3 1825 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  CAS-BOT-BC530126  Viola lobata subsp. integrifolia John Thomas Howell 1926-3-28 1766 Napa St. Helena Creek near Patten's 609 Comment
  JEPS110804  Viola lobata subsp. lobata Jake Ruygt 1995-3-29 3413 Napa about 2 mi S of Sage Canyon Road across from boat ramp 448 Comment
  UCD111073  Viola pedunculata David Lawfer 1952-3-29 138 Napa Napa. Comment
  UC1761510  Viola purpurea subsp. quercetorum Milo S. Baker 1924-5-24 463 Napa Mt. St. Helena near Toll House Comment
  UCD111155  Viola purpurea subsp. quercetorum C. G. Baughn 1949-4-24 25 Napa State Highway 12, 4 miles northwest of Cordelia. Comment