Search Results — 2000 specimen records retrieved (1443 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
  CAS-BOT-BC331522  Acer macrophyllum Elsa G. Ruckert 1960-3-13 25 Napa 6495 Dry Creek Road 365 Comment
  CDA11424  Acer macrophyllum G. F. Hrusa, M. Tu 1995-5-6 12147 Napa North Coast Biodiversity Arena; along tributary of Schwartz Creek approx. 1.5 m. above Aetna Springs Comment
  JEPS78438  Acer macrophyllum Edward Lee 1936-3-15 1805 Napa Rutherford - Pope Valley road 3/4 mi out Rutherford; Rutherford - Pope Valley road Comment
  SEINET265725 Image available Acer macrophyllum Royal D. Suttkus 1967-6-26 67- 30 -21 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UCD117059  Acer macrophyllum G. L. Webster 1967-3-23 7486 Napa along Chiles Creek, 1 mile SW of Chiles Grist Mill, Pope Valley Road. 137 Comment
  UCD162093  Acer macrophyllum Dylan O. Burge 2014-3-15 1490 Napa Mount Saint Helena. 740 Comment
  UC1071659  Acer negundo var. arizonicum A. Lewis May 1932 113 Napa Wragg Canyon Napa Quad., Wragg Canyon 182 Comment
  JEPS104506  Achillea millefolium Jake Ruygt 1989-4-22 2278 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 432 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
  UCD50291  Achnatherum coronatum Jack Maze 1964-5-8 48 Napa 3 miles southwest of Monticello Dam, State Highway 128, Napa County, California. Comment
  POM41565  Achyrachaena mollis Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD18178  Achyrachaena mollis Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  CAS-BOT-BC29756  Achyrachaena mollis David D. Keck 1931-4-3 1058 Napa 7 miles NW of monticello (1 mile above the mouth of Pope Creek) Comment
  UCD128388  Achyrachaena mollis H. E. Cott 1949-5-8 A 111 Napa State Highway 37, ca. 10 miles south of junction with State Highway 128. Comment
  UCD104084  Acmispon brachycarpus M. Sidells 1996-4-13 9 Napa Next to path on north facing hill at southwest side of Lake Berryessa, 150m northeast of Knoxville Rd. 250 Comment
  UCD118567  Acmispon brachycarpus Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 8 Napa Las Posadas State Experimental Forest. NE of fire station ca. 0.1 mi. on undeveloped road on S side of road. 518 Comment
  UCD170661  Acmispon brachycarpus 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. 139 Comment
  UCD47973  Acmispon brachycarpus A. Miles; E. Anderson, L. Lina, J. Waggoner, and R. Wenk 2000-4-22 3 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCD35291  Acmispon brachycarpus Beecher Crampton 1955-4-7 2433 Napa Napa County; 7.8 miles north of Monticello. Comment
  UCD104117  Acmispon glaber H. T. Hartmann 1941-8-14 s.n. Napa Between Napa and Monticello. Comment
  UCD104111  Acmispon glaber Beecher Crampton 1959-5-26 5257 Napa Martley Canyon, Vaca Mountains. Along State Hwy. 128. Comment
  UCD18153  Acmispon wrangelianus Jean Shepard; with Plant Biology 102 class 2000-4-29 191 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
  CAS-BOT-BC29284  Adenocaulon bicolor Betty H. Johnson 1958-6-20 673 Napa Old Toll Road, about 1/2 mile above Mt. Mill House, 6.4 miles SW of Middletown 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
  JEPS46395  Adenostoma fasciculatum W. L. Jepson 1896-2-23 Napa Howell Mt. Comment
  UCD112610  Adenostoma fasciculatum L. Flaherty 1991-4-4 s.n. Napa Moskowite Corner. Comment
  UCD49128  Adenostoma fasciculatum A. Collier; D. Caterson and S. Kenady 2002-5-4 5 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off W side of road 1 m. 335 Comment
  UCD164818  Adiantum aleuticum Jake Ruygt 2013-5-18 5907 Napa Las Posadas State Forest. 367 Comment
  UCD169616  Adiantum jordanii 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
  UCSB8225  Adiantum jordanii Keator, Glenn 1959-3-28 Napa Conn's picnic grounds near Lake Hennessy, Napa range Comment
  UC917208  Aesculus californica M. R. Wanzer 1948-5-22 24 Napa 12 mi w Winters; Putah Creek Canyon Comment
  JEPS62941  Agastache urticifolia Willis L. Jepson 1893-4-25 14893 Napa w St. Helena (Caux's Knob); Napa River Basin, Caux's Knob Comment
  UCD63060  Agoseris grandiflora Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 200 Comment
  RSA0009530  Agoseris grandiflora Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC29368  Agoseris grandiflora var. grandiflora Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  JEPS36238  Agoseris grandiflora var. grandiflora W. L. Jepson 1936-6-2 17611 Napa east, hills, dry hilltop Yountville Comment
  UC584445  Agoseris grandiflora var. grandiflora J. Jenkins 1936-1-1 Napa Mt. Veeder Mt. Veeder 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
  UCD128642  Agoseris heterophylla K. Esau; E. Hyde 1938-5-25 s.n. Napa Exact location unknown. Comment
  UC29363  Agoseris heterophylla var. heterophylla Willis L. Jepson 1894-5-1 Napa Conn Valley, (Napa River Basin); Napa River Comment
  JEPS36384  Agoseris hirsuta Willis L. Jepson 1892-8-1 Napa Creston <illegible, may read breston> Comment
  JEPS104500  Agoseris retrorsa Jake Ruygt 1989-4-22 2269 Napa East of Highway 121 on Highway 128 (marker 26.81) Capell Valley 7.5' Quad. Comment
  UCD52141  Agrostis exarata Beecher Crampton 1958-11-6 5136 Napa above Capell Creek, north end of Capell Valley. Comment
  UCD52231  Agrostis exarata Beecher Crampton 1960-5-17 5536 Napa south slopes of Conn Reservoir, 4 miles east of Rutherford. Comment
  SEINET9326859  Agrostis hallii Unknown 1957-6-4 4109 Napa Napa Comment
  CAS-BOT-BC138821  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Northern Coast Ranges. Calistoga Hot Springs. 91 Comment
  RSA40170  Agrostis pallens J. T. Howell 1943-6-19 18236 Napa Hills southwest of St. Helena Comment
  SEINET9358474  Agrostis pallens Unknown 2007-5-30 Napa Brend-Morgan property, ca. 3 mi NE of city of Napa. Gentle sw-facing slope, open chaparral, dry habitat on rocky, volcanic soil. Assoc. species: Heteromeles arbutifolia, Arctostaphylos manzanita, A. glandulosa, Mimulus aurantiacus, Adenostoma fascicularis, Baccharis pilularis, Ceanothus foliosus, and C. purpureus. Comment
  RSA92953  Agrostis stolonifera P. H. Raven 1951-6-26 3049 Napa E. of Napa on Monticello Rd. 61 Comment
  JEPS110932  Alisma plantago-aquatica Jake Ruygt 1978-5-15 315 Napa east end of Cunard St., Napa 6 Comment
  CAS-BOT-BC461083  Allium amplectens John H. Thomas 1955-5-21 5133 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  RSA292972  Allium amplectens Reino Alava 1957-5-30 1019 Napa About two and seven tenths of a mile from Angwin, west side of Mt. Howell. Comment
  UC14988  Allium amplectens J. P. Tracy 1899-6-19 448 Napa 3-4 mi e Angwin's (head of Moore's Creek, flats on top of the mountain); Howell Mountain, Moore's Creek 518 Comment
  JEPS47554  Allium amplectens W. L. Jepson 1938-6-8 18904 Napa Butts Canyon Comment
  UC1042340  Allium amplectens Lewis S. Rose 1954-5-24 54058 Napa 6 mi ne Napa (summit, Wooden Valley grade); Wooden Valley grade Comment
  CAS-BOT-BC466765  Allium cratericola Alice Eastwood 1915-6-6 s.n. Napa Mt. St. Helena Comment
  JEPS47555  Allium falcifolium W. L. Jepson 1938-5-22 18816 Napa Limekiln Canyon Pope Valleym, Limekiln Canyon Comment
  JEPS47613  Allium falcifolium Rachael Wilcox 1944-5-9 Napa Conn Valley Comment
  JEPS47614  Allium falcifolium Mrs. D. O. Hunt 1909-4-16 Napa Pope Valley Comment
  UCD118545  Allium falcifolium Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  CAS-BOT-BC469025  Allium falcifolium John Morrison; Annetta Carter 1938-4-24 1355 Napa 0.6 miles west of Knoxville on road from Monticello to Lower Lake. Comment
  RSA293012  Allium falcifolium Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 763 Napa Mt St Helena. Comment
  CAS-BOT-BC475564  Allium serra John Thomas Howell 1931-4-2 6103 Napa 4 miles from Monticello on Wooden Valley Road. Comment
  UCD138640  Allium serra J. M. Tucker 1977-4-24 4391 Napa up jeep track ca. 1/3 mile west of road, Berryessa-Knoxville Road, 15.9 miles (by road) north of junction with Pope Canyon Road (2 miles southeast of Knoxville Mine). 365 Comment
  JEPS110942  Allophyllum divaricatum Jake Ruygt 1989-4-8 2256 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 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
  JEPS84574  Allophyllum divaricatum John W. Willoughby 1977-4-27 2288 Napa 0.7 mi. s.w. Monticello Dam (s. of Hwy. 128) 195 Comment
  UCD167207  Allophyllum divaricatum Jake Ruygt 1998-6-20 4045 Napa On Palisades trail from RLSSP, east of Table Rock. 701 Comment
  CAS-BOT-BC137956  Alopecurus saccatus Peter H. Raven 1950-5-6 2003 Napa Calistoga. Sulphur Flats near Geysers Hot Springs near Calistoga Airfield. 45 Comment
  UCD161575  Amaranthus powellii Jake Ruygt 2006-9-5 5096 Napa Rector Creek about 4/10 mile east of Conn Creek. 41 Comment
  RSA92940  Ambrosia psilostachya Peter H. Raven 1951-9-9 3899 Napa Near slaughterhouse Point, Napa River. 0 Comment
  CAS-BOT-BC136744  Amelanchier utahensis Peter H. Raven 1953-5-2 5406 Napa Rector Creek 396 Comment
  CAS-BOT-BC136748  Amelanchier utahensis John Thomas Howell 1940-5-19 15447 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC136750  Amelanchier utahensis Carl B. Wolf 1928-5-4 1868 Napa Mt. St. Helena Comment
  JEPS85021  Amelanchier utahensis Larry Heckard and Mary Ashton 1969-5-3 2222 Napa 7 mi ne Napa (Mead Ranch, off Atlas Peak Rd, near entrance to Mead Ranch) 457 Comment
  JEPS8339  Ammi majus Rimo Bacigalupi with G. T. Robbins and C. L. Custer 1954-8-9 4752 Napa just n. of city limits Napa (ca. 1/4 mi. w. of northern end of Jefferson St.) 18 Comment
  UCD127159  Ammi majus Wm. Hamilton 1948-6-1 s.n. Napa Cox Ranch on Highway 29 between Napa and Yountville Comment
  UC1199060  Amorpha californica var. napensis Joseph P. Tracy 1933-6-2 12467 Napa 5 mi e Angwin's (hills at head of Moore's Creek); Howell Mountain 457 Comment
  CDA16003  Ampelodesmos mauritanicus G. F. Hrusa 2000-7-26 15683 Napa North Coast Biodiversity Arena; Old Toll House Rd. at SW base of Mt. St. Helena, approx. 1/2 mi. S of Hwy 29. Sheet 1 of 3. Comment
  UCD56008  Ampelodesmos mauritanicus R. Tofsrud 1941-5-1 s.n. Napa Mt. St. Helena. Comment
  UC1191080  Amsinckia eastwoodiae H. E. Parks April 1952 44 Napa near Calistoga (foot of Mount St. Helena); Mount St. Helena 152 Comment
  UCD170819  Amsinckia intermedia 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UCD47940  Amsinckia intermedia R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 21 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  UC1094053  Amsinckia intermedia Francia Chisaki 1954-4-15 594 Napa 12.7 mi n of its cut-off from Highway #29 (on Silverado Trail); Silverado Trail Comment
  UC1094054  Amsinckia intermedia Francia Chisaki 1954-4-15 593 Napa 5 mi n of cut-off from Hwy #29 on Silverado Trail Comment
  UC1094055  Amsinckia intermedia Francia Chisaki 1954-4-15 592 Napa 2.4 mi n of crossing with Hwy #29 on Silverado Trail Comment
  UCD16028  Amsinckia intermedia N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 16 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 4.5-9 dm tall, flowers orange. Comment
  CAS-BOT-BC222454  Amsinckia lunaris Francia Chisaki 1953-5-8 566 Napa 3.1 miles south of Napa-Lake County line on Pope Valley road Comment
  CHSC83407  Amsinckia lunaris L. P. Janeway; B. Castro 2002-5-12 7531 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  UCD74365  Amsinckia lunaris Jake Ruygt 1977-3-6 137 Napa Low elevation east of Basalt Rock Co. 213 Comment
  UC24615  Amsinckia lycopsoides Willis L. Jepson 1891-5-1 Napa Upper Conn Valley; Napa River Basin Comment
  UCD118744  Amsinckia menziesii Katherine Graham; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, in main meadow, near oak woodland. 388 Comment
  UCD170185  Amsinckia menziesii Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 772 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 402 Comment
  UCD118509  Ancistrocarphus filagineus Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. South side of road. 417 Comment
  UCD128905  Ancistrocarphus filagineus Robert E. Preston 1988-4-10 579 Napa 0.4 mile SW of the confluence of Putah and Hunting Creeks. 268 Comment
  UCD170806  Ancistrocarphus filagineus 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
  JEPS16005  Angelica californica E. L. Greene 1883-1 Napa Calistoga Comment
  JEPS14087  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  HSC71976  Angelica tomentosa J. M. DiTomaso 1980-7-8 1740 Napa N side of Mt. St. Helena at 48.45 mi mark on Hwy 29 610 Comment
  UC20806  Angelica tomentosa Willis L. Jepson August, 1892 Napa Napa Valley Comment
  UCD135768  Anisocarpus madioides Bruce G. Baldwin 1985-6-2 488 Napa 0.6 mile east of Napa/Sonoma Counties boundary along Oakville Grade Road. Comment
  UCD129050  Anthemis cotula Kamala Crompton 1996-5-12 13 Napa along road 128 about 5 miles west of Davis. 100 Comment
  UC157399  Antirrhinum cornutum Katharine Brandegee 1911-6-29 Napa Butts Canyon 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
  JEPS127863  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Adam C. Schneider with Dick O'Donnell 2013-5-26 201 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road. Comment
  UC1196865  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum J. P. Tracy 367 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Moores Creek 365 Comment
  UCD149674  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  CAS-BOT-BC237920  Antirrhinum virga A. A. Heller 1940-6-13 15741 Napa On the west side of Mt. St. Helena along the road to the summit, below the first turn toward the east side Comment
  UCD162422  Aphanes macrosepala Ellen Dean; with Plant Biology 102 class 2001-4-14 716 a Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along South Decker Canyon Rd., just down slope from jct. with Decker Ridge Rd. 335 Comment
  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
  JEPS104561  Apocynum androsaemifolium Jake Ruygt 1987-6-5 2024 Napa Wild Horse Valley Ranch 441 Comment
  UCD161349  Apocynum androsaemifolium Jake Ruygt 1986-6-28 1843 Napa Mt. St. Helena along Highway 29, mile 45.93. (Coordinates estimated by label maker at UC Davis). 640 Comment
  UC623308  Apocynum androsaemifolium H. L. Mason 1939-5-18 12103 Napa near summit of Wooden Valley Grade Comment
  RSA523906  Apocynum androsaemifolium subsp. pumilum G. H. True 1937-6-21 735 Napa Near Lokoya Lodge. 366 Comment
  JEPS49812  Apocynum cannabinum E. M. Zeile 1924-8-5 Napa corner of old orchard near Aetna Springs Aetna Springs Comment
  CAS-BOT-BC392031  Aquilegia eximia H. M. Hall 1923-10-14 11944 Napa 6 mi. n. of Pope Valley Comment
  CAS-BOT-BC397792  Aquilegia formosa Betty Johnston 1958-6-15 639 Napa 1/4 the mi. above Mt. Mill House, 6.4 mil SW of Middleton Comment
  CDA24648  Arabis glabra var. glabra R. Lawley 1967-7-1 Napa 1806 Jefferson, Napa. 0 Comment
  UCD21551  Arabis modesta A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 5 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek. 313 Comment
  CAS-BOT-BC128666  Arbutus menziesii Elsa G. Ruckert 1960-3-26 49 Napa 6495 Dry Creek Road - Private road east of house 300 yards 365 Comment
  UC650408  Arbutus menziesii Ira L. Wiggins 1928-3-25 2885 Napa 1 1/2 mi ne of Calistoga Comment
  UCSB8404  Arbutus menziesii Kamb, Peter; Chisaki, Francia 1950-4-22 Napa 500 feet above valley floor, west side of Wooden Valley on California Highway 37 304 Comment
  SEINET11993676  Arbutus menziesii Unknown 1852-1 452 Napa no further locality Comment
  CAS-BOT-BC410145  Arceuthobium occidentale John Thomas Howell 1930-10-19 5618 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown Comment
  UC1121471  Arctostaphylos A. E. Wieslander 1939-8-27 990 Napa 2 mi e Gordon Valley; Napa Quadrangle Comment
  JEPS38624  Arctostaphylos canescens W. L. Jepson 1913-4-15 5311 Napa La Jota Plateau Howell Mountain Comment
  CAS-BOT-BC23981  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11117 Napa Mt. St. Helena Comment
  CAS-BOT-BC24024  Arctostaphylos canescens subsp. canescens Lester Rowntree 1931-2-1 s.n. Napa Monticello Road 7 miles east of Napa Comment
  RSA10630  Arctostaphylos canescens subsp. canescens C. B. Wolf 1923-5-4 1861 Napa Upper slopes of Mt. St. Helena. Comment
  RSA203083  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11109 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
  UC571090  Arctostaphylos canescens subsp. canescens H. L. Mason 1926-1-2 2612 Napa Toll House Canyon Mount St. Helena (near summit of mt.) Comment
  LA42166  Arctostaphylos crustacea Lewis S. Rose; 1937-4-4 37017 Napa Wooden Valley Grade, 8 mi. NE of Napa 274 Comment
  RSA169360  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 miles SW of Angwin. 244 Comment
  RSA626916  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24802 Napa Chaparral on southeast side of Mt. Helena. 1020 Comment
  CAS-BOT-BC23140  Arctostaphylos glandulosa subsp. glandulosa L. R. Abrams 1928-5-4 12263 Napa Mt. St. Helena trail Comment
  CAS-BOT-BC23145  Arctostaphylos glandulosa subsp. glandulosa Carl B. Wolf 1928-5-4 1861 Napa Mt. St. Helena Comment
  SBBG5421  Arctostaphylos glandulosa subsp. glandulosa Milton Workman 1953-3-23 26 Napa Mix Cyn Comment
  UCD51108  Arctostaphylos glandulosa var. cushingiana Lewis S. Rose 1964-4-2 64016 Napa 2 mi. SW of Angwin. 243 Comment
  RSA787606  Arctostaphylos manzanita Keith E. Hoffmaster 1946-3-23 1065 Napa Napa range, along Napa-Monticello road Comment
  UCD118157  Arctostaphylos manzanita Linnea Neuhaus; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. 0.1 mile northeast of fire station, along undeveloped road, north side of road. 519 Comment
  UCD20734  Arctostaphylos manzanita Ellen Dean; w/ Mark Bibbo 2002-6-17 1097 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along ridge trail that connects Dead Man's Hill and East Road, east of junction with North Decker Canyon Rd. 350 Comment
  CDA38702  Arctostaphylos manzanita T. C. Fuller 1962-3-27 7892 Napa Road to Lake Berryessa (Hwy 37), 3.8 miles north of Wooden Valley. 0 Comment
  CAS-BOT-BC38915  Arctostaphylos manzanita subsp. elegans John Thomas Howell 1930-7-13 5355 Napa Chaparral on the edge of the 'Crater Country' Comment
  CAS-BOT-BC24281  Arctostaphylos manzanita subsp. manzanita Rimo Bacigalupi 1924-2-22 s.n. Napa Toll house rd. Mt St. Helena on Calistoga side. Comment
  CAS-BOT-BC38734  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1907-3-29 s.n. Napa Mt. St. Helena 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
  JEPS122813  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5106 Napa Chiles Valley Road northwest of Turtle Rock. QUAD: Chiles Valley. Comment
  JEPS38705  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1918-6-24 7669 Napa halfway down valley floor to Toll House; Mt. St. Helena Comment
  UC1005686  Arctostaphylos manzanita subsp. manzanita Frank W. Gould 1939-4-6 593 Napa 5 mi e Napa (just n of Mt. George) 228 Comment
  UC572658  Arctostaphylos manzanita subsp. manzanita Herbert B. Kaufner 1937-2-26 9 Napa Upper Mill Creek Canyon 335 Comment
  UCD95921  Arctostaphylos manzanita subsp. manzanita Ellen Dean; with Clare Loughran 2011-5-20 7055 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
  CAS-BOT-BC43840  Arctostaphylos stanfordiana Alice Eastwood 1922-3-25 11088 Napa Calistoga Comment
  CAS-BOT-BC43845  Arctostaphylos stanfordiana Alice Eastwood 1923-5-9 11759 Napa Mt. St. Helena 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-BC43860  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi. sw. of Angwin 243 Comment
  CAS-BOT-BC43865  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 1/2 mi. west of aetna Springs. Comment
  CHSC83149  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 0.5 mile west of Aetna Springs. Comment
  JEPS38878  Arctostaphylos stanfordiana W. L. Jepson 1936-12-2 17978 Napa near Four Corners; Napa Range, Howell Mt. Comment
  OBI14517  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi SW of Angwin 244 Comment
  UC1220984  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 1/2 mi w Aetna Springs Comment
  UC1303138  Arctostaphylos stanfordiana Ira L. Wiggins 1932-3-12 5767 Napa hillside between Calistoga and Franz Valley Comment
  UCD53853  Arctostaphylos stanfordiana W. L. Jepson 1937-4-9 17 997 Napa On a cross-rift or rock traverse 1/4 mile below summit; Adam-and-Eve Ridge; Howel Mountain. Comment
  UCSB25234  Arctostaphylos stanfordiana McMinn, Howard 1936-4-4 Napa Game Refuge, Howell Mountain Comment
  SEINET12524559 Image available Arctostaphylos stanfordiana L. S. Rose 1935-1 35013 Napa Wooden valley grade 5 mi NE. of Napa. Comment
  POM195577  Arctostaphylos stanfordiana subsp. stanfordiana H. P. Bracelin 1930-3-23 s.n. Napa 1 1/2 mi. S.E. of Mt. St. Helena. Comment
  POM367455  Arctostaphylos stanfordiana subsp. stanfordiana H. de Forest 1930-3-23 14618 Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  RSA15667  Arctostaphylos stanfordiana subsp. stanfordiana C. B. Wolf 1928-2-25 1504 Napa 1 mile N of summit Mt. St. Helena grade. Comment
  RSA293482  Arctostaphylos stanfordiana subsp. stanfordiana C. W. Tilforth 1979-7-22 1854 Napa Along Wooden Valley Rd., north-east of Napa. Comment
  UCD73840  Arctostaphylos stanfordiana subsp. stanfordiana Ellen Dean; S. Rae 2008-5-21 4975 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 238 Comment
  HSC38217  Arctostaphylos viscida Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2344 Napa Along Morgan Valley Rd., 0.5 mi. from Lake Co. line Comment
  UCD52192  Arctostaphylos viscida R. F. Hoover 1938-9-23 3862 Napa Canyon of south fork of Butts Creek. Comment
  UCD52205  Arctostaphylos viscida Eric Grissell 1968-7-4 s.n. Napa ca. 2 miles northwest of Knoxville, Napa County, California. Comment
  UCD52565  Arctostaphylos viscida Beecher Crampton 1964-10-8 7218 Napa Napa County; north end Capell Valley, slopes above Capell Creek, State Hwy. 128. Comment
  SEINET11989692  Arctostaphylos viscida W. Knight, Knight, I. 1982-1 4551 Napa 0.5 mi W of Spanish Flat, on road to Conn Reservoir Comment
  POM202664  Arctostaphylos viscida subsp. pulchella Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena Comment
  UCD170832  Arctostaphylos viscida subsp. pulchella 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 156 Comment
  SBBG19110  Arctostaphylos viscida subsp. viscida E. R. Blakley 1956-12-23 2018 Napa trail to Linda Falls, Angwin 426 Comment
  UCD118543  Arctostaphylos viscida subsp. viscida Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 404 Comment
  CAS-BOT-BC82390  Arnica discoidea Peter H. Raven 1951-6-26 3069 Napa Wooden Valley Grade 304 Comment
  JEPS104524  Artemisia californica Jake Ruygt 1979-11-24 798 Napa 2.3 miles north of Monticello Rd. on Atlas Peak Rd. 79 Comment
  CAS-BOT-BC90780  Artemisia ludoviciana subsp. ludoviciana Dennis W. Woodland 1970-8-13 1618 Napa 100 yd. east of bridge at junction of Petrified Forest Road and highway 128; 1 mile north of Calistoga Comment
  SEINET6793899 Image available Artemisia pycnocephala Leila M. Shultz, John S. SHultz 1987-1 10700 Napa Near Rutherford, Potah Creek, near coast Comment
  SEINET198881  Asclepias cordifolia H. E. Cott 1949-6-5 A- 137 Napa Along State Highway 28, Monticello mouth of Putah Canyon. Comment
  JEPS104499  Asclepias fascicularis Jake Ruygt 1978-8-6 388 Napa .2 miles north of Yountville exit from HWY 29, Washington St 27 Comment
  UCD170282  Asclepias fascicularis Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 822 Napa Knoxville Wildlife Area, north of Nevada Creek. 496 Comment
  JEPS122711  Asclepias speciosa Jake Ruygt 1986-6-28 1844 Napa Mt. Millhouse Camp, Mt. St. Helena. Quad: Detert Reservoir. Comment
  UC1001193  Aspidotis californica Peter H. Raven and G. L. Stebbins Jr. 1953-4-19 5339 Napa Samuels Springs to Walters Springs (n side Pope Creek) 243 Comment
  UC1076342  Aspidotis densa Herbert L. Mason 1926-1-2 2609 Napa Toll House Canyon; Mt St Helena Comment
  UCD160641  Aspidotis densa Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8730 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 237 Comment
  POM262792  Aspidotis densa J. C. Roos 1938-12-10 286 Napa Blake's Canyon, Howell Mountain 305 Comment
  CAS-BOT-BC180473  Astragalus breweri John Thomas Howell 1926-3-28 1777 Napa Myrtledale Hot Springs near Calistoga 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
  UCD38369  Astragalus breweri Beecher Crampton 1955-4-4 2387 Napa 2 miles north of Calistoga. Meadow supplied by waters of the Myrtledale Hot Springs. Comment
  UCR146403  Astragalus breweri Beecher Crampton 1961-4-6 5854 Napa Inner North Coast Ranges, 1 mile north of Moskowite Corners, along State Hwy. 128 244 Comment
  JEPS21030  Astragalus claranus W. L. Jepson 1924-4-6 10323 Napa Conn Valley , Conn Valley (Napa Range) Comment
  UC168341  Astragalus clevelandii Katharine Brandegee Napa Butts Canyon Comment
  CAS-BOT-BC178291  Astragalus gambelianus John Thomas Howell 1933-5-21 11310 Napa Hills east of Napa. 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
  RSA121722  Astragalus rattanii var. jepsonianus B. O. Schreiber 1938-4-24 2502 Napa 1/2 mile northwest of Knoxville. 610 Comment
  UC1198295  Athysanus pusillus Joseph P. Tracy 1902-5-15 1461 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UC14310  Athysanus pusillus Platt 1898-1 Napa Vaca Mountains Comment
  CAS-BOT-BC145930  Avena fatua Beecher Crampton 1956-3-13 3228 Napa State Highway 128, 1 mile south of Rutherford, Napa Valley. Comment
  UCD56313  Avena fatua A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3539 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  UCR197925  Avena fatua Beecher Crampton 1956-3-13 3228 Napa Napa Valley, 1 mile south of Rutherford Comment
  UCD38527  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3228 Napa Napa Valley, 1 mile south of Rutherford. 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
  JEPS104527  Balsamorhiza macrolepis Jake Ruygt 1981-4-20 988 Napa American Canyon east of Flosden Rd. 152 Comment
  CAS-BOT-BC16525  Barbarea orthoceras Peter H. Raven 1964-5-9 19068 Napa Along dirt road 2 miles west of Aetna Springs. Comment
  CDA11618  Barbarea orthoceras G. F. Hrusa, G. L. Stebbins 1994-3-11 11601 Napa North Coast Biodiversity Arena; Ink Grade, approx. 2 m. NE of Angwin. Comment
  UCD48669  Barbarea orthoceras A. Van Houtte; E. Leger and C. Hohn 2001-4-14 6 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, W side of S. Decker Canyon Rd., drainage ditch SW of ruined cabins. 152 Comment
  CDA6264  Bellardia trixago T. C. Fuller 1958-6-4 Napa 2 miles south of Napa. 0 Comment
  JEPS11299  Bellardia trixago W. L. Jepson 1938-5-15 18782 Napa 0.5 mi n Napa Wye Comment
  JEPS14992  Bellardia trixago B. Schreiber 1936-3-5 2213 Napa 1 mi sw Napa; Napa Quad. Comment
  UCD122106  Bellardia trixago J. M. Tucker 1952-5-17 s.n. Napa ca. 7 miles southwest of Napa. Comment
  JEPS129172  Berberis aquifolium Jake Ruygt 2015-3-16 6044 c Napa Sutro Ranch, west side of Atlas Peak. Yountville 7.5' Quad. Comment
  JEPS47755  Berberis nervosa W. L. Jepson 1894-1 10386 Napa canyon e slope Mt St Helena (below Toll House) Comment
  CDA34672  Bergia texana L. Ahart 2009-10-27 16485 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  UCD167067  Bergia texana Jake Ruygt 2001-8-4 4327 Napa South shore of Lake Hennessey near boat ramp. 94 Comment
  UCD74382  Boechera breweri Jake Ruygt 2006-4-29 5005 Napa Near Palisades Trail, S of Table Rock. Detert Reservoir. 606 Comment
  RSA182010  Boisduvalia densiflora var. densiflora W. L. Jepson 1944-7-30 27545 Napa 3 miles SE of Yountville, Napa Valley. Comment
  JEPS110704  Boisduvalia glabella Jake Ruygt 1981-7-31 1084 Napa Soscol Plain 4 Comment
  CAS-BOT-BC31396  Bolboschoenus robustus Peter H. Raven 1951-9-9 3900 Napa Slaughterhouse Pt. Napa River 0 Comment
  JEPS13536  Boschniakia strobilacea W. L. Jepson 1924-4-27 10387 Napa Mt. St. Helena perhaps near Toll House. Comment
  JEPS49665  Boykinia occidentalis Mary Alice King July 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  SACT000444  Brachypodium distachyon John Willoughby 1977-4-20 Napa foothill woodland 365.76 Comment
  UCD81828  Brachypodium distachyon Ellen Dean 2009-4-24 5455 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 274 Comment
  JEPS106778  Brassica nigra Jake Ruygt 1996-6-24 3760 Napa Jamieson Vineyards, Jameson Canyon. 79 Comment
  JEPS53245  Brassica nigra W. L. Jepson 1894-11-1 59 E Napa Napa, fields to the south Napa Comment
  HSC9100  Briza minor C. B. Wolf 1928-5-3 1803 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  OBI22481  Briza minor R. L. Hoover 1968-4-20 61 Napa In field NE of jctn of Aetna Springs, Pope Valley and Butts Cyn rd Comment
  JEPS50491  Brodiaea elegans subsp. elegans Rimo Bacigalupi with T. I. Chuang and L. Constance 1967-7-6 9306 Napa along Conn Valley Road (0.8 mi e of its junction with Howell Mountain Road at upper end Conn Valley); upper end of Conn Valley 121 Comment
  UC1300928  Brodiaea elegans subsp. elegans Helen K. Sharsmith 1962-6-3 5110 Napa Napa-Soda Springs road 152 Comment
  RSA734159  Brodiaea laxa Keith E. Hoffmaster 1946-3-23 1206 Napa Napa range, along Napa-Monticello road Comment
  JEPS129040  Brodiaea leptandra Jake Ruygt 2016-6-6 6276 Napa Okin Ranch, Chiles Valley. St. Helena 7.5' Quad. 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
  UCD95684  Bromus arizonicus Ellen Dean; with Clare Loughran 2011-5-20 7029 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  UCD36562  Bromus carinatus Beecher Crampton 1954-5-6 1830 Napa 5 miles south of Monticello. Comment
  UCD36952  Bromus carinatus Beecher Crampton 1956-5-25 3482 Napa Howell Mountains, above southwest corner of Wooden Valley. Comment
  UCD57979  Bromus carinatus Beecher Crampton 1956-5-25 3482 Napa Howell Mtns. Above Wooden Valley. Comment
  CAS-BOT-BC155843  Bromus catharticus var. elatus Peter H. Raven 1951-5-20 2836 Napa Oakville. 48 Comment
  UCD58447  Bromus commutatus Beecher Crampton 1962-5-16 6425 Napa 1 mile E of Aetna Springs. Comment
  CAS-BOT-BC155987  Bromus diandrus Peter H. Raven 1952-5-29 4084 Napa Napa River 1 mile north of Napa. 60 Comment
  UCD120796  Bromus diandrus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7333 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
  HSC43959  Bromus hordeaceus Robert M. Specht 1977-4-19 690 Napa Above drainage running NE from Adams Creek. 518 Comment
  UCD159943  Bromus hordeaceus Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD58810  Bromus hordeaceus R. Tofsrud 1949-5-5 s.n. Napa Near Basalt. Comment
  CDA31339  Bromus laevipes D. G. Kelch 2010-5-6 10 .174 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS123006  Bromus laevipes Jake Ruygt 1988-6-4 2215 Napa Mt. St. Helena <0.5 miles from Highway 29 0n fire road. Quad: Detert Reservoir. Comment
  UCD160749  Bromus laevipes Ellen Dean 2015-5-23 8801 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
  UCD20425  Bromus laevipes E. Dean; w/ PLB 102 class 2002-5-4 1012 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
  UCD58901  Bromus laevipes Beecher Crampton 1957-6-4 4107 Napa Above Capell Creek. North end of Capell Valley. Comment
  UCD58948  Bromus laevipes J. Street 1950-1 s.n. Napa 4 mi. E of Rutherford. Comment
  SACT000578  Bromus mollis John Willoughby 1976-4-12 Napa Near Mount Vaca, in chaparral near top of ridge 609.6 Comment
  CAS-BOT-BC161828  Bromus rubens David L. Morgan 1961-5-16 s.n. Napa Napa. Cemetary. Comment
  CAS-BOT-BC161831  Bromus rubens Peter H. Raven 1953-4-2 5287 Napa Burn east of Tulucay Creek. 426 Comment
  SACT001003  Bromus rubens John Willoughby 1976-3-25 Napa West side of range, a few hundred feet below ridge, near latitude of Mount Vaca, above head of Seventy Acre Canyon, chaparral. Comment
  JEPS123000  Bromus tectorum Jake Ruygt 1992-4-2 2875 Napa Jonson's Meadow, Wild Horse Valley Ranch. Quad: Mount George. Comment
  RSA115462  Calamagrostis ophitidis Beecher Crampton 1957-5-16 4045 Napa Above Capell Creek, north end of Capell Valley Comment
  UCD57739  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Summit State Hwy. 37, Howell Mountains, 7 miles northeast of Napa. Comment
  UCD159921  Calandrinia breweri Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon.West section. 243 Comment
  UCD48084  Calandrinia breweri R. Brush; A. Atamian, C. Owens, S. Olmsted, and M. Furuyama 2000-4-29 8 Napa Border of Yolo and Napa County, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct 1999). 640 Comment
  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
  JEPS48654  Calandrinia ciliata Elsa Kraeger 1926-3-27 Napa Soscol Comment
  UCD100279  Calandrinia ciliata M. R. Wanzer 1948-5-15 21 Napa just south of the judging pavilion, University of California campus, Davis. Comment
  JEPS42825  Callitriche longipedunculata Willis L. Jepson 1893-4-30 13819 Napa Calistoga; Napa River Basin, Napa Valley Comment
  HSC81868  Calochortus amabilis Thomas W. Nelson, Jane P. Nelson 1980-5-3 5140 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  POM182710  Calochortus amabilis D. D. Keck 1931-4-2 1019 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  POM222010  Calochortus amabilis W. C. Merrill 1895-06 SN Napa Calistoga Comment
  SEINET3884897  Calochortus amabilis Daphne K. Christopher, Hannah I. Stevens; Mark Bibbo 2003-4-12 156 Napa Uc Davis, Stebbins Cold Canyon Reserve. Near main trailhead.; 0 166 Comment
  UC1134510  Calochortus amabilis A. Lewis 1932-5-18 96 Napa Dry Creek Napa Quad. 152 Comment
  UCD139466  Calochortus amabilis L. P. Thibault 1995-5-21 50 Napa on south side of Highway 128 about 3 miles west of Wragg Canyon Road. 250 Comment
  UCD139479  Calochortus amabilis Robert E. Preston 1988-4-10 580 Napa 0.4 mile SW of the confluence of Putah and Hunting Creeks. 268 Comment
  UCD139484  Calochortus amabilis Bill Wengeler 1995-4-16 s.n. Napa approximately 5 miles north of Hwy 128 along Knoxville Road. 146 Comment
  UCD14306  Calochortus amabilis Katherine Courtney 1983-5-7 7 Napa along Highway 128, 2 miles west of the Spanish Flat junction on the north side of the road; Comment
  UCD160636  Calochortus amabilis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8728 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 237 Comment
  UCD48262  Calochortus amabilis R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 4 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD48266  Calochortus amabilis Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 7 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  UCD48752  Calochortus amabilis S. Murphy; K. Keck and K. Dyer 2002-5-5 14 Napa Quail Ridge UC Reserve, northern tip of ridge, ca. 450 m. from intersection of West and East roads, S side of upper road leading to power lines and tip parcels. 388 Comment
Read comments
Apr 3 2019
  POM319489  Calochortus amabilis Patricia Wilder 1965-6-8 3589 Napa Monticello grade ca. 3.3 mi E of Monticello Park and 6.0 mi E of Napa on Calif. 121. 305 Comment
  SEINET5725020 Image available Calochortus amabilis Richard Beaver 1965-1 151 Napa on a slope with various shrubs, sandy clay soil; 10 miles north of the junction of Highway 128 with Highway 121. Comment
  SEINET8194296  Calochortus amabilis M. Ackley 1968-5-12 1191 Napa Napa Valley. Comment
  UC917115  Calochortus amabilis W. M. Grannell 1950-4-27 15 Napa n side Putah Canyon Comment
  HSC43979  Calochortus luteus Robert M. Specht 1977-5-14 895 Napa S side of Morgan Valley Rd. near junction with Develhead Rd. 457 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
  CAS-BOT-BC492544  Calochortus luteus Betty H. Johnson 1958-6-8 610 Napa Near St Helena River, 6.4 mi. S.W. of Middleton Comment
  UC422984  Calochortus luteus H. P. Chandler 1907-5-30 7602 Napa White Sulphur Springs St. Helena Comment
  JEPS113984  Calochortus superbus Jake Ruygt 1986-6-9 1804 Napa 4.5 miles north of Westgate Drive on Atlas Peak Road. Capell Valley 7.5' Quad. Comment
  JEPS61728  Calochortus superbus W. L. Jepson 1904-6-3 2432 Napa St. Helena to Howell Mt. (Howell Mt. foothills) Comment
  JEPS129064  Calochortus tolmiei Jake Ruygt 1977-4-24 197 Napa 3.5 miles west of Butts Canyon Road on Aetna Springs Road. Detert Reservoir 7.5' Quad. Comment
  CAS-BOT-BC132624  Calochortus uniflorus John Thomas Howell 1926-3-27 1757 Napa Myrtledale Hot Springs near Calistoga Comment
  RSA3280  Calochortus uniflorus D. D. Keck 1931-4-4 1097 Napa Geysers just NW of Calistoga, NW Napa County 110 Comment
  UC843712  Calochortus uniflorus Alice Eastwood 1918-5-2 6879 Napa Calistoga Comment
  JEPS113960  Calochortus vestae Jake Ruygt 1996-6-1 3733 Napa Highway 128 about 3/4 mile north of Turtle Rock Cafe. Chiles Valley 7.5' Quad. Comment
  UCD167143  Calochortus vestae Jake Ruygt 2015-5-2 6088 Napa West of Buck Mountain nea Nevada Creek. 461 Comment
  UCD169871  Calochortus vestae Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 806 Napa Knoxville Wildlife Area. Upper Zim Zim Ceek drainage. 432 Comment
  JEPS129050  Calycadenia fremontii Jake Ruygt 2016-7-23 6295 Napa Smittle Creek, west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UC1876230  Calycadenia fremontii Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Rd., 1.3 mi S of Snell Valley Rd. Comment
  POM30958  Calycadenia multiglandulosa subsp. cephalotes H. P. Chandler 1907-7-19 7603 Napa Howell Mt. Comment
  RSA255488  Calycadenia multiglandulosa subsp. cephalotes Gerald D. Carr 1971-6-17 566 Napa Jct. of Howell Mt., Deer Park, and White Cottage Roads Comment
  CAS-BOT-BC270833  Calycadenia pauciflora John Thomas Howell 1929-8-4 4364 Napa 1 mile below Samuels Springs, Pope Creek Canon [Pope Creek Canyon], Napa Range Comment
  CAS-BOT-BC270820  Calycadenia pauciflora Gerald D. Carr 1971-10-23 681 Napa 0.25 mile W of Berryessa - Knoxville Road on Highway 128 Comment
  RSA255530  Calycadenia pauciflora Gerald D. Carr 1971-9-20 665 Napa 0.8 miles SE of Berryessa-Knoxville Road on Hwy. 128 213 Comment
  RSA255580  Calycadenia pauciflora Gerald D. Carr 1971-9-20 667 Napa 1.8 miles SE of Lake Co. line on Morgan Valley Road 610 Comment
  UC1195667  Calycadenia pauciflora A. R. Kruckeberg 1947-6-15 1491 Napa .7 mi w, on Knoxville-Lower Lake Road Knoxville Comment
  UCD129842  Calycadenia pauciflora Gerald D. Carr 1972-8-9 725 Napa 5.8 miles south of Berryessa-Knoxville Road on Devilhead Road, Cedar Valley. Comment
  JEPS106927  Calycadenia truncata Jake Ruygt 1978-8-20 397 Napa .5 miles north of Westgate Dr. on Atlas Peak Road 97 Comment
  UC523514  Calycadenia truncata David D. Keck 1933-11-10 2720 Napa 1 mi n of Yountville Comment
  JEPS120378  Calycadenia truncata Jake Ruygt 2004-7-31 4634 Napa Buzzards Roost, east of Stags Leap Comment
  CAS-BOT-BC271526  Calycadenia truncata subsp. truncata Roxana S. Ferris 1941-9-28 10639 Napa Eastern edge of Napa Valley along Conn Creek near St. Helena Comment
  CAS-BOT-BC271554  Calycadenia truncata subsp. truncata H. M. Hall 1924-10-4 12109 Napa Near Yountville Comment
  CAS-BOT-BC271558  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  RSA31986  Calycadenia truncata subsp. truncata A. A. Heller 1941-9-22 16317 Napa Roadside bank 1 mile north of Yountville. Comment
  JEPS40319  Calycanthus occidentalis W. L. Jepson 1934-10-16 16896 Napa Adam and Eve Ridge Howell Mt. (by the cave, Howell Mt.) Comment
  POM196460  Calycanthus occidentalis J. T. Howell 1927-8-23 3041 Napa Sage Canon, Napa Range. 91 Comment
  RSA23335  Calycanthus occidentalis Joseph A. Ewan 1934-4-30 8850 Napa Near White Cottages below Pope Valley. Comment
  SBBG2304  Calycanthus occidentalis E. R. Blakley 1956-12-23 2016 Napa base of Linda Falls, Angwin 426 Comment
  UC521695  Calycanthus occidentalis Joseph Andorfer Ewan 1933-9-17 8010 Napa 2.5 mi out Calistoga (Mt. St. Helena summit road); Mt. St. Helena Comment
  UCD137805  Calycanthus occidentalis J. Good 1998-6-2 28 Napa Highway 128. Three miles west of Monticello dam and 500 yards up the dirt road behind Markley Cove. Comment
  UCD137917  Calycanthus occidentalis J. P. Smith; J. O. Sawyer 1970-5-17 3771 Napa 3 miles south of Pope Valley. Comment
  UCD151050  Calycanthus occidentalis R. H. Miller 1949-5-8 49 Napa along Highway 37, about 13 miles northeast of Napa. Comment
  CAS-BOT-BC418629  Calystegia occidentalis R. K. Brummitt; B. Ertter; J. A. Ruygt 2012-6-16 22058 Napa Napa city, Alston Park, near Dry Creek Road 51 Comment
  CAS-BOT-BC224631  Calystegia purpurata subsp. purpurata Ira L. Wiggins 1949-4-30 12080 Napa Between Calistoga and Middletown Comment
  JEPS106401  Calystegia purpurata subsp. purpurata Jake Ruygt 1986-4-5 1682 a Napa north of Elkhorn Peak on county line 458 Comment
  RSA0059886  Calystegia subacaulis Reino Alava 1957-5-30 985 Napa 4 2/10 mile north of the junction of Highways 37 and 128, on State Highway no. 128. Comment
  CAS-BOT-BC224342  Calystegia subacaulis subsp. subacaulis Rimo Bacigalupi 1928-6-20 1859 Napa Howell Mt 10 miles west of St Helena Comment
  JEPS122758  Camissoniopsis hirtella Jake Ruygt 2007-5-17 5176 Napa Duff Ranch, NW of Potato Hill. Quad: Calistoga. Comment
  JEPS122759  Camissoniopsis hirtella Jake Ruygt 2005-6-1 4885 c Napa Blue Ridge, about 1 mile north of Mays Flat. Quad: Knoxville. Comment
  UCD75840  Campanula angustiflora Jake Ruygt 2005-6-1 4890 Napa Blue Ridge, about 1 mile north of Mays Flat. 737 Comment
  CAS-BOT-BC37117  Capsella bursa-pastoris Peter H. Raven 1953-4-2 5249 Napa Hills east of Imola. 121 Comment
  CAS-BOT-BC37119  Capsella bursa-pastoris R. E. Frenkel 1963-10-27 298 Napa In the vineyard north of Oakville Cross Road. Comment
  CAS-BOT-BC37587  Cardamine californica Willis Linn Jepson 1896-2-22 s.n. Napa Napa River Basin. Hills of St. Helena. Comment
  CAS-BOT-BC37589  Cardamine californica Milo S. Baker 1931-4-2 5134 Napa 8 miles from Monticello along Pope Creek. Comment
  JEPS53370  Cardamine californica var. integrifolia Willis L. Jepson 1896-2-23 13396 Napa Howell Mountain Napa River Basin, Howell Mountain Comment
  POM369327  Cardamine californica var. integrifolia Dr H. de Forest 1930-3-23 s.n. Napa Mt. St. Helena. Ridge SE from mt. Comment
  UCD18023  Cardamine hirsuta Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 569 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
  CAS-BOT-BC37857  Cardamine oligosperma Peter H. Raven 1954-2-22 6397 Napa Saint Helena. 60 Comment
  JEPS106779  Cardaria draba Jake Ruygt 1981-5-3 1009 Napa American Canyon east of Flosden Rd. 42 Comment
  UCD159927  Carduus pycnocephalus subsp. pycnocephalus Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  JEPS121331  Carex barbarae Jake Ruygt 1980-4-6 826 Napa Yount Street, Yountville Comment
  JEPS121351  Carex barbarae Jake Ruygt 2006-4-15 4990 Napa S. of Yountville, w. side of Hwy 29. Comment
  RSA364608  Carex barbarae E. S. Spalding 1924-7-7 s.n. Napa Near Calistoga. Comment
  SEINET7551520 Image available Carex barbarae Wilhelm N. Suksdorf 1913-7-30 740 Napa Northwest Napa. Comment
  CAS-BOT-BC18902  Carex densa Joseph Prince Tracy 1938-6-5 15836 Napa Howell Mountain. On hills at head of Moore's Creek, 5 miles east of Angwin's. 457 Comment
  JEPS63518  Carex densa W. L. Jepson 1936-7-2 17640 Napa Angwin Meadow, Howell Mountain Napa Range Comment
  UC1115810  Carex densa Joseph P. Tracy 1938-6-5 15836 Napa 5 mi E of Angwins (Howell Mountain, hills at head of Moores Creek) 457 Comment
  UCD140261  Carex densa K. Esau 1935-5-5 s.n. Napa near Petrified Forest, Calistoga. Comment
  SEINET7556714 Image available Carex densa Lewis R. Rose 1935-6-4 35205 Napa E slope Mt St Helena. Comment
  UCD161789  Carex lyngbyei Jake Ruygt 1999-7-3 4192 Napa end of Green Island Road at river. 2 Comment
  CAS-BOT-BC32125  Carex multicaulis Peter H. Raven 1950-6-20 2377 Napa Howell Mtn on NNE side Road to Pope Valley. Comment
  UCD168526  Carex multicostata 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
  CDA13209  Carex nudata G. F. Hrusa, M. J. Geitner 1996-4-2 12823 Napa North Coast Biodiversity Arena; MonteSol Ranch, +/- 10 mi. S of Middletown (Lake Co.). Monte Sol Creek. Comment
  UC483315  Carex nudata Ira L. Wiggins 1932-3-12 5753 Napa 1 mi N of Calistoga (N Fork of Napa River) Comment
  CAS-BOT-BC119513  Carex nudata Lewis Samuel Rose 1961-3-30 61024 Napa Conn Reservoir. Lake Hennessy stream bank. 60 Comment
  JEPS63673  Carex nudata W. L. Jepson 1920-7-12 9070 Napa upper Chiles Creek below old mill; Napa Range, Chiles Creek Comment
  SEINET3905219  Carex nudata Lewis S. Rose 1961-3-30 61024 Napa Conn Reservoir, Lake Hennessy.; 0 61 Comment
  JEPS121326  Carex praegracilis Jake Ruygt 1992-7-4 3059 Napa Wild HOrse Valley RAnch, between Leoma and Mitten Lake. Comment
  HSC88218  Carex serratodens Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2345 Napa Along Morgan Valley Rd., 0.5 mi. from Lake Co. line Comment
  UCD140843  Carex serratodens G. F. Hrusa 1996-6-30 13072 Napa at Lake Hennessey approximately 1 mile east of Conn Dam. 175 Comment
  UCD20740  Carex serratodens E. Dean; w/ PLB 102 class 2002-4-4 1001 Napa McLaughlin UC Reserve. Along Knoxville-Berryesa road just W of turnoff to old town of Knoxville, S side of road. 426 Comment
  CAS-BOT-BC117620  Carex serratodens Ella D. Cantelow 1939-8-8 2500 Napa 3.5 mi NW of Knoxville. Comment
  UCD161615  Carex subbracteata Jake Ruygt 2002-4-15 4391 Napa north of Foss Valley, Atlas Peak Vineyards (Antinori). 448 Comment
  JEPS25924  Carex tumulicola W. L. Jepson 1915-4-23 6242 Napa base of foothills, St. Helena St. Helena Comment
  UCD161540  Carex tumulicola Jake Ruygt 1992-5-4 2932 Napa Westwood Hills Park, Browns Valley Road, Napa. 91 Comment
  SFV8664  Castilleja affinis W. P. Hackett 1960-4-10 15 Napa State Highway 37, 23.2 miles west of Winters. In partial shade on steep, west facing slope. Comment
  JEPS110617  Castilleja affinis subsp. affinis Jake Ruygt 1991-5-11 2652 Napa 1 mile north of College Ave. on Howell Mountain Rd. 551 Comment
  JEPS86604  Castilleja affinis subsp. affinis L. R. Heckard with Jake Ruygt 1987-5-10 6660 Napa ca 0.25 mi ne Quarry (ne of Vallejo) (n-facing side American Canyon Ridge); American Canyon Ridge Comment
  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
  UC1334851  Castilleja ambigua subsp. ambigua L. D. Thurman 1964-4-24 427 Napa 5.5 mi n Napa (Silverado trail) Comment
  UCD20753  Castilleja applegatei M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 102 Napa McLaughlin UC Reserve. Devilhead Rd. 2.5 road miles S of jct. with Knoxville-Berryesa Rd. W side of the road by small perennial creek. 487 Comment
  JEPS88819  Castilleja applegatei subsp. martinii T. I. Chuang and F. M. Chuang 1991-6-23 7834 Napa 3 mi n Angwin (along Ink Grade Rd) Comment
  UC1001194  Castilleja applegatei subsp. martinii Peter H. Raven 1953-5-2 5395 Napa Summit of hills due e. of Yountville Comment
  UC1001198  Castilleja applegatei subsp. martinii Peter H. Raven 1953-5-2 5394 Napa Summit of hills due e. of Yountville Comment
  UCD70470  Castilleja applegatei subsp. martinii P. J. Plummer 1995-6-5 s.n. Napa W of city of Winters, hillsides off hwy 128. 73 Comment
  JEPS5194  Castilleja applegatei subsp. martinii Rimo Bacigalupi and J. R. Sweeney 1953-5-27 4168 Napa at s city limit of Calistoga, at roadside of main Napa Valley Highway Calistoga 102 Comment
  JEPS66536  Castilleja applegatei subsp. martinii John F. Emmel 1971-4-17 343 Napa just above Butts Canyon Road and Snell Valley Road junction 219 Comment
  UCD122283  Castilleja applegatei subsp. martinii Alan P. Godlewski 1974-5-3 s.n. Napa West of Lake Berryessa, 100 yds. From Highway 128. Comment
  UC1301192  Castilleja attenuata Helen K. Sharsmith 1963-4-20 5335 Napa Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD48227  Castilleja exserta A. Laffin; A. Randall, S. Holck 2002-4-13 1 Napa Napa Co, McLaughlin UC Reserve. North of Knoxville-Berryessa Road, just west of turn-off to old town of Knoxville. Ca. 0.2 airline mile up slope of road, in calcium seep. 431 Comment
  RSA523429  Castilleja franciscana L. R. Heckard 1964-6-11 1367 Napa Along state highway 128 near Coon Park at western edge of Lake Hennessey. Comment
  JEPS104691  Castilleja minor subsp. spiralis John L. Morrison 1936-9-19 1946 Napa Knoxville Mines Comment
  UC1222458  Castilleja rubicundula subsp. lithospermoides Joseph P. Tracy 1933-6-2 12485 Napa 3-4 mi e Angwin's (on hills at Head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Head of Moore's Cree 365 Comment
  JEPS58624  Castilleja subinclusa subsp. franciscana Willis L. Jepson 1894-11-5 Napa Bottle Mt. Napa River Basin, St. Helena Comment
  CAS-BOT-BC40474  Caulanthus lasiophyllus John Thomas Howell 1931-4-2 6074 Napa Wooden Valley grade 5 miles east of Napa. Comment
  JEPS42323  Ceanothus W. L. Jepson 1904-6-3 2451 Napa Howell Mt. Comment
Read comments
Jan 18 2009
  RSA0056195  Ceanothus cuneatus Keith E. Hoffmaster 1946-3-23 1225 Napa Napa range, along Napa-Monticello road. Comment
  JEPS110719  Ceanothus cuneatus var. cuneatus Jake Ruygt 1991-5-18 2679 Napa Cooksley Lake, Friesen's lakes, Angwin 612 Comment
  JEPS110720  Ceanothus cuneatus var. cuneatus Jake Ruygt 1991-3-30 2618 Napa crest of Oakville Grade 274 Comment
  JEPS42202  Ceanothus cuneatus var. cuneatus W. L. Jepson 1893-5-2 13987 Napa e Calistoga (Pope Valley Grade) Comment
  CAS-BOT-BC49113  Ceanothus cuneatus var. ramulosus Frank A. Leach 1921-3-1 s.n. Napa Hills back of Napa asylum Comment
  JEPS42325  Ceanothus dentatus W. L. Jepson 1913-4-15 5312 Napa Howell Mt. Comment
  CAS-BOT-BC49802  Ceanothus divergens T. S. Brandegee 1889-4-1 74 Napa Mt. St. Helena Comment
  CAS-BOT-BC64435  Ceanothus divergens Milo S. Baker s.n. Napa Franz Valley, about 5 mi. w. of Callistoga. Comment
  JEPS110718  Ceanothus divergens Jake Ruygt 1979-3-25 460 Napa 1.5 miles west of HWY 29 on Whitehall Lane 128 Comment
  POM136489  Ceanothus divergens Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena. Comment
  RSA169357  Ceanothus divergens L. S. Rose 1964-4-2 s.n. Napa 2 miles W of Angwin 244 Comment
  UC18326  Ceanothus foliosus Willis L. Jepson 1893-5-8 Napa below New Eden Howell Mt., Napa River Basin Comment
  UC726044  Ceanothus foliosus A. A. Heller 1941-5-3 16085 Napa Mt. St. Helena, ca half way to summit Comment
  UC79972  Ceanothus foliosus Katharine Brandegee April 1889 Napa Mt. St. Helena Comment
  CAS-BOT-BC50878  Ceanothus foliosus var. foliosus Ella Dales Cantelow 1939-4-8 2524 Napa 4 1/2 mi. s.w. of Pac Union College, Howell Mt. Comment
  CAS-BOT-BC50880  Ceanothus foliosus var. foliosus Alice Eastwood 1915-6-6 4702 Napa Mt. St. Helena Comment
  CAS-BOT-BC50910  Ceanothus foliosus var. foliosus Alice Eastwood 1915-6-5 4619 Napa Petrified Forest Comment
  CAS-BOT-BC50915  Ceanothus foliosus var. foliosus C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  JEPS42328  Ceanothus foliosus var. foliosus W. L. Jepson 1915-12-6 6585 Napa Howell Mt. Comment
  UC1736301  Ceanothus foliosus var. foliosus Dean W. Taylor 1998-6-3 16451 Napa Livermore Road, edge of roadway bordering walnut orchard, ca. 1 air mile S of Three Peaks 640 Comment
  UCD73460  Ceanothus foliosus var. foliosus Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 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
  UCD169650  Ceanothus integerrimus Jake Ruygt 2015-6-20 6142 Napa Butts Canyon Road south of Snell Valley Road. 211 Comment
  UCD170257  Ceanothus integerrimus D. O. Burge 2016-10-22 2181 Napa Roadside on Butts Canyon Road. 300 Comment
  UCD169648  Ceanothus integerrimus Jake Ruygt 2014-5-6 5933 Napa Pope Creek about 1.4 mile east of Walter Springs bridge. 170 Comment
  CAS-BOT-BC50632  Ceanothus jepsonii H. E. McMinn 1922-8-1 385 Napa Near Middleton Comment
  UCD112060  Ceanothus jepsonii Roman Gankin 1966-2-26 678 Napa Next to roadway at gate; property west of Macdonald Ranch, Las Posadas State Forest. Comment
  UCD118607  Ceanothus jepsonii William Goss; 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. 407 Comment
  UCD144307  Ceanothus jepsonii G. F. Hrusa 1995-4-2 12049 Napa Along Hwy 128 approx. 2.5 m. SW of intersection of 128 and Chiles Valley Rd., 0.05 m. W. of Nichellini Winery. 250 Comment
  UCR23540  Ceanothus jepsonii John C. Roos 1939-2-28 306 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  RSA195385  Ceanothus jepsonii subsp. albiflorus Gilbert Muth 1967-4-9 600 Napa Aetna Spring Road. 305 Comment
  CDA11339  Ceanothus jepsonii var. albiflorus G. F. Hrusa 1995-4-2 12049 Napa North Coast Biodiversity Arena; along Hwy 128 approx 2.5 m. SW of intersection of 128 and Chiles Valley Rd., 0.05 m. W of Nichellini Winery. Comment
  LA44929  Ceanothus oliganthus var. sorediatus John Thomas Howell; 1931-4-3 6133 Napa Napa Range, Pope Creek Canyon, 8.5 mi. from Monticello Comment
  UCD112326  Ceanothus oliganthus var. sorediatus J. E. Street 1950-4-24 s.n. Napa 8 miles north of Wooden Valley. Comment
  CAS-BOT-BC47999  Ceanothus parryi Peter H. Raven 1964-5-9 19061 Napa Edge of redwood grove along dirt road 2 miels west of Aetna Springs Comment
  CAS-BOT-BC53218  Ceanothus parryi Peter H. Raven 1953-5-2 5415 Napa Soda Creek Canyon ca. 2 miles below Foss Valley 335 Comment
  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
  CDA11906  Ceanothus parryi G. F. Hrusa, G. L. Stebbins 1994-4-8 11712 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  JEPS110731  Ceanothus parryi Jake Ruygt 1976-4-23 18 Napa 2.1 miles NE of Silverado Trail on Deer Park Road 213 Comment
  UC18398  Ceanothus parryi Willis L. Jepson 1893-5-6 Napa near Calistoga; Napa River Basin, near Calistoga Comment
  UCR43182  Ceanothus parryi L. F. LaPre 1985-5-2 s.n. Napa Along Livermore Road between Hwy 29 (At Mountain Mill House Girl Scout Camp) and white point, near Lake Co. line and south of Three Peaks 671 Comment
  JEPS42264  Ceanothus prostratus Willis L. Jepson 1893-5-4 14036 Napa Mt. St. Helena Napa River Basin 914 Comment
  JEPS48864  Ceanothus prostratus Elsa Kraeger 1926-3-28 Napa e slope Mt. St. Helena Comment
  SEINET12210800  Ceanothus prostratus var. occidentalis W. Knight, Knight, I. 1982-1 4670 Napa Tilden Botanic Garden, Berkeley Comment
  CAS-BOT-BC52188  Ceanothus purpureus H. E. McMinn 1925-1-23 1367 a Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC52195  Ceanothus purpureus Mrs. H. C. Hand 1913-6-8 s.n. Napa Napa mountains Comment
  CAS-BOT-BC52200  Ceanothus purpureus Peter H. Raven 1953-4-2 5259 Napa e. of Imola 182 Comment
  CAS-BOT-BC83729  Ceanothus purpureus D. O. Burge 2007-5-4 905 b Napa Atlas Road, at roadside 5.7 road miles (9.1 km) N of intersection with Monticello Road (SR 121) 410 Comment
  CDA11159  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11571 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
  LA44989  Ceanothus purpureus Alice Eastwood; John Thomas Howell 1937-4-4 3832 Napa Wooden Valley grade 182 Comment
  SJSU14052  Ceanothus purpureus C. L. Schmidt 1987-5-24 1183 Napa Mt George off Monticello Rd CA-121 396 Comment
  UC870641  Ceanothus purpureus Alice Eastwood and John Thomas Howell 1937-4-4 3832 Napa Wooden Valley Grade Comment
  RSA95277  Ceanothus purpureus J. T. Howell 1931-4-2 6067 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  POM202749  Ceanothus ramulosus I. L. Wiggins 1932-3-12 5766 Napa Hillside between Calistoga and Franz Valley. Comment
  JEPS110663  Ceanothus sonomensis Jake Ruygt 1982-3-20 1134 Napa Mt. St. John 530 Comment
  SEINET3076020 Image available Ceanothus tomentosus Royal D. Suttkus 1967-6-26 67- 30 -12 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  JEPS42407  Ceanothus velutinus W. L. Jepson 1893-9-23 14012 Napa Mt. St. Helena Comment
  UC1220983  Centaurea calcitrapa Beecher Crampton 1962-9-11 6674 Napa Wragg Canyon Resort Wragg Canyon; Vaca Mtns., Lake Berryessa Comment
  UCD130000  Centaurea calcitrapa Beecher Crampton 1962-9-11 6674 Napa Wragg Canyon Resort, Lake Berryessa. Comment
  CDA7329  Centaurea solstitialis T. C. Fuller 1959-5-15 2431 Napa Fanner property, Sanitarium area. 0 Comment
  JEPS106531  Centaurium muehlenbergii Jake Ruygt 1996-10-19 3795 Napa Vine Village, corner of Congress Valley Rd and Oln Sonoma Rd 45 Comment
  CDA14310  Centaurium tenuiflorum W. Ogden 1998-7-6 s.n. Napa North Coast Biodiversity Arena; Pope Valley Rd. 0 Comment
  UC141232  Centaurium trichanthum unknown Aug 1883 Napa Calistoga Comment
  UC1537512  Centaurium trichanthum Gordon H. True Jr. 1937-7-30 827 Napa near Aetna Springs 365 Comment
  CAS-BOT-BC272823  Centromadia parryi subsp. parryi H. M. Hall 1923-10-15 11948 Napa Calistoga Comment
  CAS-BOT-BC272830  Centromadia parryi subsp. parryi A. A. Heller 1941-9-22 16318 Napa At Calistoga Comment
  SBBG36844  Centromadia parryi subsp. parryi D. D. Keck, J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi N of center of town at the geysers Comment
  UC177487  Centromadia parryi subsp. parryi C. C. Parry 1881-7-1 129 Napa Comment
  CAS-BOT-BC279256  Centromadia pungens subsp. pungens David D. Keck 1933-11-10 2725 Napa 6 mi. S. of Napa Comment
  CAS-BOT-BC222944  Cephalanthus occidentalis John Thomas Howell 1929-8-4 4367 Napa One mile bleow Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  JEPS51366  Cerastium glomeratum W. L. Jepson 1910-3-28 4028 Napa Rebecca Ranch Grade s.w. of Calistoga Comment
  CAS-BOT-BC179387  Cercis occidentalis Ethel Crum 1937-4-18 1787 Napa 11 miles N of Monticello on Knoxville Road. Comment
  LA45606  Cercis occidentalis Ethel Crum; 1937-8-8 1956 Napa Putah Creek Canyon, 7 mi. SE of Monticello Comment
  UCD105663  Cercis occidentalis M. R. Wanzer 1948-4-3 5 Napa Putah Creek Canyon, 13 miles west of Winters. Comment
  JEPS46425  Cercocarpus betuloides W. L. Jepson 1896-2-23 Napa Howell Mt. Comment
  CAS-BOT-BC135486  Cercocarpus betuloides var. betuloides Frank W. Gould 1939-4-6 598 Napa Five miles east of Napa 228 Comment
  JEPS44709  Cercocarpus betuloides var. betuloides W. L. Jepson 1937-4-10 17999 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  UC419739  Cercocarpus betuloides var. betuloides Mrs. H. P. Bracelin 1930-7-13 26 Napa s slope of Mount St. Helena Comment
  CAS-BOT-BC284573  Chaenactis glabriuscula var. heterocarpha Peter H. Raven 1952-5-26 4060 Napa Nr. Walter's Springs 170 Comment
  UCD130360  Chaenactis glabriuscula var. heterocarpha Robert E. Preston 1988-4-10 575 Napa 0.4 mile southwest of the confluence of Putah Creek and Hunting Creek, 268 Comment
  UC869111  Chamaesyce serpyllifolia Milo S. Baker 1938-8-22 9224 Napa Lower Lake-Knoxville Road just S of Lake-Napa Co. line Comment
  JEPS103991  Cheilanthes intertexta Jake Ruygt 1983-11-17 1498 Napa Sage Canyon, east of Fir Canyon 365 Comment
  UCD20503  Cheilanthes intertexta E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1074 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  UCD149718  Chenopodium 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
  JEPS126100  Chenopodium album Jake Ruygt 1986-7-12 1870 Napa East bank of Napa River just east of confluence Tulocay Creek. Napa 7.5' Qua. Comment
  JEPS106825  Chenopodium ambrosioides Jake Ruygt 1978-9-19 416 Napa Napa River south of Trancas St., Napa 3 Comment
  JEPS59713  Chenopodium ambrosioides W. L. Jepson 1892-10-22 Napa St. Helena Napa River Comment
  JEPS106741  Chenopodium macrospermum var. halophilum Jake Ruygt 1993-10-24 3291 Napa near Fagan Slough. 0 Comment
  UCD98466  Chenopodium vulvaria Irving Grover 1958-6-24 Napa exact location unknown. Comment
  JEPS58858  Chimaphila menziesii Willis L. Jepson 1894-7-19 14655 Napa Mt. St. Helena near Toll House; Napa R. Basin, Mt. St. Helena Comment
  UCD117756  Chlorogalum pomeridianum var. pomeridianum Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD14302  Chlorogalum pomeridianum var. pomeridianum L. Coats 1983-5-29 51 Napa Napa Co.; J and M Ranch, end of Green Valley Road, 1 mile from intersection of Coombsville Road and Wild Horse Valley Road; approximately 100 yeards inside gate, next to road; Comment
  JEPS110751  Chorizanthe membranacea Jake Ruygt 1996-4-12 3607 Napa Blue Ridge, north of Monticello Dam. Portuguese Canyon. 487 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-BC252842  Chorizanthe polygonoides var. polygonoides John Thomas Howell 1933-6-4 11392 Napa Hills east of Napa Comment
  UC521765  Cichorium intybus Joseph Andorfer Ewan 1933-9-17 7998 Napa Napa Napa Valley Comment
  RSA95088  Cichorium intybus Joseph A. Ewan 1933-9-17 7998 Napa Vacant lot in Napa, Napa Valley Comment
  UCD130481  Cichorium intybus Austin Griffiths Jr.; Patricia L. Griffiths 1963-9-5 4824 Napa Expty residental lot, Napa Valley. Comment
  JEPS100844  Cirsium cymosum var. cymosum Dean Wm. Taylor with Mey Akasah 1999-6-3 17222 Napa E of Devilhead road Ridge between Eticuera Creek and Zim Zam Creek; Eticuera Creek, Zim Zam Creek 594 Comment
  JEPS106932  Cirsium cymosum var. cymosum Jake Ruygt 1979-6-3 677 Napa Aetna Springs Rd. 438 Comment
  JEPS59225  Cirsium cymosum var. cymosum Willis L. Jepson 1892-7 Napa Knoxville Mountain Region of Clear Lake Comment
  CDA1209  Cirsium douglasii var. douglasii Gene Cornett 1952-1-2 s.n. Napa S.E. corner of Napa Co.( 300 yds N of American Canyon Rd., 2.7 mi. E of Hwy 29, about 0.3 mi W of I-80)(map with sheet #3 of 4) Comment
  CDA1214  Cirsium douglasii var. douglasii T. C. Fuller 1961-6-15 6339 Napa 0.5 mi. n. of American Canyon Rd. about 2 mi e. of Napa Junction (Hwy 29). Comment
  OBI76869  Cirsium douglasii var. douglasii Neal Kramer 2012-7-18 2065 Napa Approx 1.3 mi W of jctn I-80 and American Cyn Rd NAD83 UTM 10S 0567936E 4224770N 72 Comment
  OBI76874  Cirsium douglasii var. douglasii Neal Kramer 2012-7-18 2065 Napa Approx 1.3 mi W of jctn I-80 and American Cyn Rd NAD83 UTM 10S 0567936E 4224770N 72 Comment
  UCD63171  Cirsium douglasii var. douglasii Jake Ruygt 1991-8-4 2817 Napa west of Hunting Creek Campground toward Paradise Valley. 289 Comment
  UCD161249  Cirsium occidentale var. venustum Jake Ruygt 1979-6-2 665 Napa 1.8 miles northwest of Atlas Peak Rd. on Monticello Rd. (Coordinates estimated by label maker at UC Davis). 182 Comment
  RSA439199  Cirsium remotifolium var. odontolepis T. Gertrude Williamson 1924-7-4 s.n. Napa Saint Helena, White Sulphur Springs. Comment
  UCD20709  Cirsium vulgare Mark Bibbo 2002-7-28 79 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  SBBG115750  Clarkia concinna B. Crampton 1953-5-19 1300 Napa 9 mi E of Rutherford Comment
  UCD104414  Clarkia concinna J. Buck 1996-6-2 21 Napa 5 miles SE of Calistoga along Highway 128. 97 Comment
  UCD160722  Clarkia concinna Ellen Dean 2015-5-23 8774 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 211 Comment
  UCD39195  Clarkia concinna Beecher Crampton 1953-5-19 1300 Napa 9 miles east of Rutherford. Comment
  UCD71256  Clarkia concinna Linda Coats 1983-6-3 54 Napa Lower Chiles Valley Road, 3 miles north of State Highway 128. 259 Comment
  UCD104418  Clarkia concinna Max P. Dunford 1961-5-20 1039 Napa 1/4 mile W of Monticello Dam on State Highway 128, W of Winters. 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
  UC562521  Clarkia gracilis subsp. gracilis Joseph P. Tracy 1933-6-2 12490 Napa 5 mi e Angwin's; Howell Mountain, Moore's Creek 457 Comment
  CAS-BOT-BC162480  Clarkia gracilis subsp. sonomensis Peter H. Raven 1950-6-28 2350 Napa Napa Range between Conn Valley & Howell Mtn. Comment
  SEINET9313592  Clarkia purpurea Unknown 1993-5-15 10982 Napa Quail Ridge Reserve Comment
  POM271807A  Clarkia purpurea subsp. purpurea Lyman Benson 1935-5-19 6657 Napa S. Base Mount St. Helena, CA Hwy 29. Mayacamas Mt. range, Napa River watershed 213 Comment
  CAS-BOT-BC163695  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1953-5-2 5391 Napa Hills due e. of Yountville 243 Comment
  UCD49188  Clarkia purpurea subsp. quadrivulnera K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 6 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. Down slope of West Rd. ca. 0.45 as the crow flies miles (2400 ft.) NW of jct with S. Decker Canyon Rd. 228 Comment
  CAS-BOT-BC163687  Clarkia purpurea subsp. quadrivulnera Betty H. Johnson 1958-6-15 634 Napa 1/2 mi. above Mt. Mill House, 6.4 mi. S-W. of Middletown Comment
  CAS-BOT-BC163690  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-6-10 2899 Napa Calistoga-[Hanly's] Hanley's, Toll Rd., Mt. St. Helena 182 Comment
  JEPS129099  Clarkia purpurea subsp. viminea Jake Ruygt 2016-4-30 6217 Napa Smitty Ranch, east side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  CAS-BOT-BC164761  Clarkia rhomboidea Peter H. Raven 1951-5-26 s.n. Napa Howell Mtn just above Pope Valley Comment
  JEPS110692  Clarkia unguiculata Jake Ruygt 1978-5-21 323 Napa .3 miles east of Silverado Trail on Sage Canyon Rd. 60 Comment
  RSA491722  Clarkia unguiculata James L. Reveal 1987-6-7 6392 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road, about 5.5 miles west-northwest of Vacaville. 183 Comment
  UCD105090  Clarkia unguiculata L. P. Thibault 1995-5-19 38 Napa Northside of Highway 128, N of Lake Solano, approx. 2-3 miles E of Monticello Dam. 125 Comment
  JEPS112599  Claytonia exigua subsp. exigua Jake Ruygt 1999-3-27 4123 Napa Murphy Creek about 1/4 mile from Wild Horse Valley Road 377 Comment
  JEPS77942  Claytonia exigua subsp. exigua Edward Lee 1936-3-15 1800 Napa 0.75 mi out Rutherford (Rutherford-Pope Valley road) Comment
  JEPS43271  Claytonia gypsophiloides W. L. Jepson 1897-5-2 Napa near Calistoga (Rebecca Ranch grade); Upper Napa Valley Comment
  UC83788  Claytonia gypsophiloides C. F. Baker 1903-4-20 2611 Napa Mt. St. Helena Comment
  CAS-BOT-BC439376  Claytonia gypsophiloides John Thomas Howell 1926-3-20 1698 Napa Old toll road to Mt. St. Helena Comment
  CAS-BOT-BC233836  Claytonia parviflora subsp. parviflora John H. Thomas 1955-5-21 5179 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  UCD14400  Claytonia parviflora subsp. parviflora Todd Jones 1983-5-29 13 Napa Highway 128, 4.9 mi. north of Moscowite Corner, 15.6 mi. beyond Monticello Dam Comment
  UCD100748  Claytonia perfoliata M. Ramos 1996-4-20 6 Napa city of Calistoga, along side of road next to dried river bed. 137 Comment
  UCD15052  Claytonia perfoliata F. Takeda 1977-4-24 41 Napa Scagg Canyon, along Highway 128, 6.4 miles southwest of Monticello Dam. 182 Comment
  JEPS55205  Clematis ligusticifolia Alice King July 1919 Napa Mt. St. Helena, Van Ness Ranch Comment
  UC483682  Collinsia greenei Milo S. Baker 1932-4-26 5965 Napa between Monticello and Pope Val (on Monticello rd to Pope Val, nearer to Pope Val than to Monticello) Comment
  RSA10704  Collinsia heterophylla Carl B. Wolf 1928-5-3 1783 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA195300  Collinsia heterophylla Gilbert Muth 1967-5-17 679 Napa Oat Hill Road, Calistoga. 244 Comment
  UC1196847  Collinsia heterophylla Joseph P. Tracy 1902-5-21 12484 Napa 3-4 mi e of Angwins (Howell Mountain, on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 396 Comment
  UCD123575  Collinsia heterophylla Kamala Crompton 1996-5-12 12 Napa next to Berryessa-Knoxville Road, 1 mile of Quarry Canyon. 120 Comment
  UCD18158  Collinsia heterophylla Eva Bayon; with Plant Biology 102 class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  UCD49266  Collinsia heterophylla M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 11 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of West and East roads, along lower road leading to power lines. 289 Comment
  UCD123578  Collinsia heterophylla M. Ensign 1943-5-28 306 Napa 10 miles north of Monticello on road to Lower Lake. Comment
  CAS-BOT-BC474519  Collinsia sparsiflora G. F. Hrusa; R. Cole; D. Anderson 1995-3-26 12029 Napa Quail Ridge Reserve, at entrance gate 290 Comment
  RSA734135  Collinsia sparsiflora Keith E. Hoffmaster 1946-3-23 1244 Napa Napa range, along Napa-Monticello road. Comment
  SEINET10548306  Collinsia sparsiflora John T. Middleton 1936-4-18 Middleton 77 Napa Near monticello. Comment
  HSC58982  Collinsia sparsiflora var. arvensis George E. Johnston 1974-4-4 1020 Napa Near Bell Canyon 427 Comment
  JEPS6339  Collinsia sparsiflora var. arvensis Mrs. Mary Van E. Ferguson 1919-4-13 208 Napa near Atlas Comment
  UC147869  Collinsia sparsiflora var. arvensis J. P. Tracy 1902-5-18 1533 Napa 3-4 mi e Angwin (head Moore's Creek); Head Moore's Creek, Howell Mountain 518 Comment
  RSA79469  Collinsia sparsiflora var. collina Lincoln Constance 1938-3-27 2034 Napa N. slope in Howell Mountains, 5 miles E. of Napa, North Coast Ranges. 457 Comment
  JEPS112530  Collinsia sparsiflora var. sparsiflora Jake Ruygt 1986-3-9 1641 Napa .4 mile east of Flosden Rd. on American Canyon Rd. 91 Comment
  UC1196825  Collinsia sparsiflora var. sparsiflora Joseph P. Tracy 1933-4-30 12099 Napa 3-4 mi e Angwin (head of Moore's Creek, on hills); North Coast Ranges, Howell Mtn, Moore's Creek 396 Comment
  UC1746032  Collinsia sparsiflora var. sparsiflora Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2765 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UCD18045  Collinsia sparsiflora var. sparsiflora Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 596 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
  UCD49270  Collinsia sparsiflora var. sparsiflora Kook-Hyun Chung 2001-4-28 6 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; Along West Rd., ca. 0.45 miles (2400 ft.) NW of jct with South Decker Canyon Road; downslope of road ca. 20 m. 242 Comment
  UC614495  Collinsia sparsiflora var. sparsiflora L. Constance 1938-3-27 2034 Napa 5 mi e Napa (in the Howell Mountains); North Coast Ranges, Howell Mountains, e of Napa 457 Comment
  CAS-BOT-BC229540  Collomia diversifolia Peter H. Raven 1951-5-26 s.n. Napa Butts Creek Canyon Comment
  JEPS100384  Collomia diversifolia Dean W. Taylor 2001-5-15 17659 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  SEINET2444681  Collomia diversifolia Leigh A. Johnson 1996-5-26 96 -013 Napa Along Butts Canyon Road, between road and creek. ca. 25 meters NW of pullover area 1.4 miles NW of jct with Snell Valley Road (9.7 miles SR of jct with HWY 29). 375 Comment
  UC1197844  Collomia heterophylla J. P. Tracy 1902-5-16 1500 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 335 Comment
  UCD118132  Collomia heterophylla Linnea Neuhaus; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UC908766  Collomia heterophylla P. B. Kennedy 1929-5-23 Napa Moore Creek Howell Mountain Comment
  UC673560  Corallorhiza striata H. L. Mason 1926-3-22 2787 Napa near base of grade from Calistoga to Petrified Forest Comment
  JEPS55934  Cordylanthus pilosus subsp. pilosus T. I. Chuang and F. M. Chuang 1968-7-24 6478 Napa 2.7 mi n Calistoga (on road bank, Hwy 29) Comment
  JEPS55935  Cordylanthus pilosus subsp. pilosus T. I. Chuang and F. M. Chuang 1968-7-24 6481 Napa 10.7 mi n Calistoga (on county line) Comment
  JEPS112550  Cordylanthus pringlei Jake Ruygt 1969-12-31 3779 Napa HWY 29, .15 mile fron Lake County line. 463 Comment
  JEPS62598  Cordylanthus pringlei T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 B Napa just s Napa and Lake County line (on US Hwy 29) Comment
  JEPS69350  Cordylanthus pringlei T. I. Chuang 1972-7-8 7062 Napa just s Napa and Lake Co. line (on Hwy 29) Comment
  JEPS6821  Cordylanthus pringlei R. F. Hoover 1938-9-3 3793 Napa e side Mt. St. Helena Comment
  RSA537655  Cordylanthus pringlei L. R. Heckard, T. I. Chuang 1971-8-16 2777 Napa Along U.S. Highway 29, south of Middletown just across the Lake County line. 457 Comment
  CAS-BOT-BC238222  Cordylanthus tenuis subsp. brunneus R. F. Hoover 1941-8-24 5571 Napa East side of Mt. St. Helena Comment
  JEPS55938  Cordylanthus tenuis subsp. brunneus T. I. Chuang and F. M. Chuang 1968-7-24 6485 Napa 10.9 mi n Calistoga Comment
  UC761839  Cordylanthus tenuis subsp. brunneus R. F. Hoover 1941-8-24 5571 Napa e side 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
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Jun 12 2012
  UC142943  Cornus glabrata Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
  UCD161330  Cornus glabrata Jake Ruygt 1980-6-21 931 Napa Van Ness Creek. (Coordinates estimated by label maker at UC Davis). 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
  JEPS120403  Crocanthemum scoparium var. vulgare Jake Ruygt 2004-5-8 4600 Napa near Lone Pine Thicket, off Devilhead Comment
  SD211506  Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7963 Napa Lake Hennessey circa 15 sirmiles North-Northwest of Napa, on Conn Creek in North Coast Ranges; East of boat-launching ramp on Southeast edge 91 Comment
  UCD37518  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa 4 miles east of Rutherford, Conn Reservoir. Comment
  UCD59925  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa 4 miles east of Rutherford, Conn Reservoir. Comment
  UCR146405  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa Inner North Coast Ranges, 4 miles east of Rutherford, Conn Reservoir 122 Comment
  UCD32575  Cryptantha dissita Beecher Crampton 1954-5-20 1929 Napa 8 miles southwest of Monticello, along highway 128. Comment
  UCD63863  Cryptantha hispidula Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road from Morgan Valley Road. Knoxville Public Lands close to Hunting Creek. 650 Comment
  UC1245380  Cryptantha hispidula Joseph P. Tracy 1950-5-23 18682 Napa near head of Moores Creek; Howell Mountain, Las Posadas State Forest 335 Comment
  UCD74371  Cryptantha muricata Jake Ruygt 2004-5-29 4607 Napa Van Ness Canyon near old hunting camp. 579 Comment
  UC175784 Image available Cryptantha torreyana var. calistogae Joseph P. Tracy 1904-5-23 2094 Napa hills e Calistoga; Northern Coast Ranges; hills E of Calistoga, Napa Co. 243 Comment
  CAS-BOT-BC80722  Cupressus macnabiana John Thomas Howell 1931-4-3 6143 Napa Near Aetna Springs, Pope Valley, Napa Range Comment
  RSA0020853  Cupressus macnabiana David J. Keil 1986-11-8 19788 Napa Along Lake Berryessa Knoxville Road near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill. 350 Comment
  RSA96667  Cupressus macnabiana Percy C. Everett, E. K. Balls 1954-10-19 20371 Napa 3.9 miles NW of Knoxville on road to Lower Lake. 610 Comment
  CAS-BOT-BC85480  Cupressus sargentii John Thomas Howell 1926-3-21 1714 Napa St. Helena Creek below Patten's near Napa-Lake county boundary 609 Comment
  CAS-BOT-BC85485  Cupressus sargentii John Thomas Howell 1927-8-24 3051 Napa moist, rocky stream-bed, Butts Valley, on Pope Valley-Middletown road, Napa Range Comment
  CDA11902  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-8 11718 Napa North Coast Biodiversity Arena; Tree, 10 m in height, along small creek tributary to Swartz Creek. Colony on serpentine, approx. 1/2 mile above Aetna Springs resort. Comment
  RSA129447  Cupressus sargentii B. O. Schreiber 1936-9-20 2357 Napa 5 miles S of Reiff. 762 Comment
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Jun 14 2013
  RSA85822  Cupressus sargentii F. W. Peirson, Mabel Peirson 1926-4-3 6623 Napa Northern edge of Napa County on Middletown Road Comment
  UC1278005  Cupressus sargentii B. Crampton 1957-6-4 4101 Napa above Capell Creek, N end of Capell Valley Comment
  UC766733  Cupressus sargentii R. F. Hoover 1940-8-25 4543 Napa e side Mt. St. Helena Comment
  NY16827  Cupressus sargentii C. B. Wolf 1934-10-17 6196 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET13289871 Image available Cupressus sargentii C. G. Pringle 1882-1 s.n. Napa near Calistoga Comment
  UCD160705  Cuscuta Ellen Dean; Jake Ruygt 2015-5-23 8764 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  UCD160762  Cuscuta Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8632 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  CAS-BOT-BC224539  Cuscuta californica Peter H. Raven 1952-6-28 4205 Napa Conn Valley 152 Comment
  POM7507  Cuscuta ceanothi H. P. Chandler 1906-9-7 7123 Napa Alta Loma Ranch 488 Comment
  JEPS47141  Cuscuta subinclusa Willis L. Jepson 1901-8-6 1735 Napa St. Helena Napa River Basin, Howell Mt. Comment
  JEPS39364  Cynoglossum grande Mary Pond 1915-4-18 Napa St. Helena Comment
  UCD158906  Cynoglossum grande G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  UCD19952  Cynoglossum grande E. A. Dean; Virginia Boucher 2002-2-28 890 Napa Quail Ridge Reserve. Along West Rd. 0.4 airline miles NW of junction of West Rd. and Decker Canyon Rd. 274 Comment
  RSA0045600  Cynoglossum grande Keith E. Hoffmaster 1946-3-9 1039 Napa Napa range, near summit along Napa-Monticello road. Comment
  CAS-BOT-BC190359  Cynosurus echinatus Betty H. Johnson 1958-6-20 s.n. Napa Along road near stream, near Mt. Mill House, 6.4 miles southwest of Middletown. Comment
  UCD37686  Cynosurus echinatus Beecher Crampton 1961-6-12 5903 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  CHSC102251  Cyperus eragrostis Lowell Ahart 2009-10-12 16459 Napa Below the high water mark of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UC1563948  Cyperus eragrostis Barbara Ertter with Elizabeth Neese 1988-10-2 7956 Napa ca. 15 airmiles n.-n.w. Napa (Lake Hennessey, on Conn Creek, below spillway on n. side of Rte. 128); North Coast Ranges, Conn Creek 91 Comment
  SEINET7581647 Image available Cyperus eragrostis A. D. E. Elmer 4656 Napa Napa. Comment
  JEPS121341  Cyperus niger Jake Ruygt 1986-7-29 1889 Napa Milliken Drive, Silverado Country Club. Comment
  JEPS77929  Cyperus niger Edward Lee 1935-12-1 1674 Napa rd. from Napa to Wooden Valley (ca. 0.7 mi. beyond (s. of) 1st. stop, Sarco Creek); Howell Mts., Sarco Creek Comment
  JEPS116568  Cystopteris fragilis Jake Ruygt 1993-4-3 3181 Napa Little Bear Valley. Detert Reservoir 7.5' Quad. Comment
  CAS-BOT-BC70576  Cystopteris fragilis Peter H. Raven 1957-5-5 10771 Napa western edge of Calistoga 182 Comment
  CAS-BOT-BC70646  Cystopteris fragilis Evelina Cannon 1901-7-15 s.n. Napa Johannisberg, Mt. Veeder Comment
  CAS-BOT-BC190452  Dactylis glomerata Peter H. Raven 1952-5-29 4096 Napa 1 mile north Napa. 45 Comment
  UCD60992  Danthonia californica Beecher Crampton 1956-5-25 3488 Napa Along the headwaters of Sarco Creek, Howell Mtns. Comment
  UC1195188  Daucus carota J. H. Thomas 1960-8-29 8839 Napa ca. 1 mi. n. Calistoga (along Hwy. 53) 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
  JEPS81603  Delphinium R. Raiche 1982-3-7 20188 Napa on Chiles and Pope Valley Rd. 1.3 mi n Sage Canyon Road Comment
  UCD81471  Delphinium hesperium G. L. Stebbins 1967-5-30 6524 Napa Cedar Valley, south of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) Comment
  LA38212  Delphinium hesperium G. Mehlquist; 357 Napa 7 mi. S of Monticello on road to Napa Comment
  LA38213  Delphinium hesperium G. Mehlquist; 358 Napa 8.4 mi. S.of Monticello on road to Napa Comment
  UCD95806  Delphinium hesperium J. D. Atkin 1952-5-1 7 Napa Portuguese Canyon, ca. 1 mile up Putah Creek from Recreation Beach. Comment
  JEPS110726  Delphinium hesperium subsp. hesperium Jake Ruygt 1998-5-20 3991 Napa Sage Canyon Road about 1/3 mile west of inter. Chiles-Pope Rd 100 Comment
Read comments
Aug 15 2010
  UC467744  Delphinium hesperium subsp. hesperium Katharine Brandegee Napa Pope Valley Grade Comment
  CAS-BOT-BC10113  Delphinium hesperium subsp. pallescens George Ledyard Stebbins 1967-5-31 6523 Napa Cedar Valley south of Knoxville 609 Comment
  UCD48154  Delphinium hesperium subsp. pallescens R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 19 Napa Northern Napa Countym McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  CAS-BOT-BC10107  Delphinium hesperium subsp. pallescens H. Lewis; G. Mehlquist 1941-5-9 s.n. Napa 13.4 miles North of Monticello Comment
  CAS-BOT-BC10109  Delphinium hesperium subsp. pallescens John Thomas Howell 1939-4-30 14622 Napa Near Walter Springs Comment
  LA38205  Delphinium hesperium subsp. pallescens Mehlquist; Baker 319 Napa 2 mi. N of Knoxville on rd. to Reiff Comment
  CAS-BOT-BC9819  Delphinium nudicaule Betty H. Johnson 1958-6-8 597 Napa Near St. Helena River, 6.4 mi. SW of Middletown Comment
  CAS-BOT-BC9820  Delphinium nudicaule P. H. Raven 1957-5-5 10772 Napa At western edge of Calistoga 182 Comment
  UC9209  Delphinium nudicaule Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin; Napa River Basin Comment
  UCD95880  Delphinium nudicaule Heidi E. M. Dobson 1978-4-8 296 Napa East slope of Mt. Veeder. Comment
  UCD96052  Delphinium nudicaule W. R. Russell; A. D. Graham 1954-5-5 s.n. Napa North side of hills, in small canyon; 10.2 miles south of Pope Valley Store, Chiles Valley. Comment
  CAS-BOT-BC9817  Delphinium nudicaule Ira L. Wiggins 1949-4-30 12079 Napa Along old toll road between Calistoga and Middletown, about 2.5 mi. from Calistoga Comment
  HSC24996  Delphinium nudicaule Greg Bos 1963-3-24 43 Napa NW end of Lake Barryesa at Putah Creek 168 Comment
  UC796705  Delphinium nudicaule Ira L. Wiggins 1949-4-30 12079 Napa rocky ridge about 2.5 mi from Calistoga (along old toll road between Calistoga and Middletown) Comment
  RSA10655  Delphinium patens Carl B. Wolf 1928-5-3 1834 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  JEPS110982  Delphinium patens subsp. patens Jake Ruygt 1976-4-23 15 Napa 1.9 miles NE of Silverado Trail on Deer Park Rd. 188 Comment
  UCD164768  Delphinium patens subsp. patens Jake Ruygt 2014-5-22 5925 -b Napa Sutro Ranch, Atlas Peak. 748 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
  CAS-BOT-BC17150  Delphinium uliginosum R. C. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6684 Napa Butt's Canyon, 10 mi. from Howell Mt. Comment
  LA207609  Delphinium uliginosum J. Ewan; 1937-5-23 10360 Napa Lower Lake to Monticello road, 1.9 mi. S of Lake Co. line Comment
  RSA183435  Delphinium uliginosum Alva Day 1965-5-15 65 -126 Napa Cedar Valley, west of Lake Berryessa. Comment
  UC1498857  Delphinium uliginosum Katharine Brandegee 1911-6-29 Napa Butts Canyon Comment
  UCD13263  Delphinium uliginosum Mary M. Hektner 1973-6-4 348 Napa Napa CO. Chiles and Pope Valley Road, ca 3 miles north of junction with Lower Chiles Valley Road. Comment
  UCD14290  Delphinium uliginosum S. Boshoven 1983-5-29 26 Napa Napa Co.; Berryessa-Knoxville Road, 6 miles northwest of Knoxville; 365 Comment
  UCD74351  Delphinium uliginosum G. Ledyard Stebbins 1967-5-30 6522 Napa Cedar Valley, south of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET3824804 Image available Delphinium uliginosum Unknown 1982-6-1 s.n. Napa 9.9 miles south of Middletown Lake or Napa county Comment
  LA207640  Delphinium variegatum H. Lewis; G. Mehlquist 1941-5-9 sn Napa 16.2 mi. N of Monticello 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
  CDA24247  Delphinium variegatum subsp. variegatum T. C. Fuller 1958-5-1 3722 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  SBBG2221  Delphinium variegatum subsp. variegatum H. and M. Dearing 1939-5-2 3249 Napa near Napa Comment
  JEPS110778  Dendromecon rigida Jake Ruygt 1987-5-16 1991 Napa Bismark Knob 606 Comment
  RSA602573  Dendromecon rigida Louis C. Wheeler 1952-8-30 6880 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  UCD73385  Dendromecon rigida 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
  CDA11314  Deschampsia cespitosa G. F. Hrusa 1988-4-16 5536 Napa North Coast Biodiversity Arena; Butts Canon, ~6 m. N Aetna Springs. Comment
  CDA12113  Deschampsia cespitosa G. F. Hrusa 1989-5-2 7186 Napa North Coast Biodiversity Arena; Hwy 128 approx. 1/2 mile S of Knoxville-Berryessa Rd. intersection. Comment
  POM365009  Deschampsia cespitosa subsp. cespitosa P. H. Raven 1965-5-15 20210 Napa Cedar Valley, vicinity of Knoxville. 61 Comment
  UC187277  Deschampsia cespitosa subsp. cespitosa J. P. Tracy 1902-5-18 1543 Napa 3-4 mi. e. Angwin's (Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 518 Comment
  JEPS110779  Dicentra chrysantha Jake Ruygt 1998-6-24 4050 Napa On ridge above Apple Tree Canyon, Blue Ridge. 542 Comment
  CAS-BOT-BC253632  Dichanthelium acuminatum subsp. acuminatum Peter H. Raven 1951-6-10 2939 Napa Crater Region E of Palisades 762 Comment
  UCD14946  Dichelostemma capitatum Glen Dreyer 1977-4-16 35 Napa California, Napa Co.; ca. 4 miles west of Monticelo Dam, about 20 ft. off of Highway 128; Comment
  UCD169882  Dichelostemma capitatum subsp. capitatum Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 728 Napa Knoxville Wildlife Area. 352 Comment
  UCD70462  Dichelostemma capitatum subsp. capitatum B. Wengeler 1995-4-16 s.n. Napa West of City of Winters, 2 m W of Monticello Dam along hwy 128. Open hillside. Perennial, 24 in tall. Flowers purple. 158 Comment
  UCD83668  Dichelostemma congestum Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 3 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 178 Comment
  JEPS110906  Dichelostemma volubile Jake Ruygt 1978-5-7 298 Napa 1.4 miles east f Spanish Flat turnoff on HWY 128 146 Comment
  CAS-BOT-BC502802  Dichelostemma volubile Cornelia S. Masters 1915-6-15 s.n. Napa Napa Valley Comment
  CAS-BOT-BC150364  Diplacus aurantiacus Peter H. Raven 1952-5-31 4127 Napa S.W. of Rector Canyon 152 Comment
  SEINET13682807  Diplacus aurantiacus M. J. Williams 1967-5-7 s.n. Napa Howell Mountain [Road?], between St. Helena and Angwin. 259 Comment
  SEINET13693732  Diplacus aurantiacus R. R. Halse 1989-5-13 3833 Napa Along State Hwy 29 on the Calistoga Grade, ca 2.5 miles N of Calistoga. 240 Comment
  CAS-BOT-BC152183  Diplacus bolanderi Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5336 Napa Pope Creek e. of Samuels Springs 91 Comment
  CAS-BOT-BC151879  Diplacus congdonii David D. Keck 1931-4-2 1016 Napa Wooden Valley Grade west side of Napa Range, 5 miles NE of Napa 170 Comment
  CAS-BOT-BC153408  Diplacus layneae J. W. Stacey 1933-5-15 s.n. Napa Howell Mt. Comment
  JEPS8807  Dipsacus fullonum W. L. Jepson 1936-5-30 17563 Napa Napa Valley, Rutherford Rutherford; Napa Valley, Rutherford Comment
  CDA6691  Dipsacus fullonum Margaret Bellue 1933-5-8 Napa 0 Comment
  UC796623  Disporum hookeri Ira L. Wiggins 1949-4-30 12088 Napa Mount St. Helena 914 Comment
  RSA52659  Disporum hookeri var. hookeri I. L. Wiggins 1949-4-30 12088 Napa E flank of Mt St Helena. 915 Comment
  SEINET3928469  Distichlis spicata Beecher Crampton 1962-5-8 6412 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs.; 0 Comment
  UCD92896  Distichlis spicata Beecher Crampton 1962-5-8 6412 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  CDA34681  Dittrichia graveolens L. Ahart 2009-10-27 16503 Napa Intersection of Pope Canyon Road and Berryessa Knoxville Road, near Lake Berryessa, about 20 miles (air) west of Winters. 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
  JEPS106562  Downingia concolor var. concolor Jake Ruygt 1986-4-26 1733 Napa 4.5 miles northof Westgate Dr. on Atlas Peak rd. 446 Comment
  POM299293  Downingia concolor var. concolor Lester Rowntree 1938-5-16 s.n. Napa Atlas Peak Rd, from Napa. Comment
  RSA195338  Downingia concolor var. concolor Gilbert Muth 1967-5-19 694 Napa Milliken Dam. 335 Comment
  JEPS129169  Downingia cuspidata Jake Ruygt 2015-5-2 6086 a Napa West of Buck Mountain near Nevada. Knoxville 7.5' Quad. Comment
  POM59145  Downingia pusilla A. A. Heller, H. E. Brown 1902-4-25 s.n. Napa Near Napa Comment
  CAS-BOT-BC159628  Drymocallis glandulosa var. glandulosa John H. Thomas 1955-5-21 5100 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC70945  Dryopteris arguta Peter H. Raven 1954-1-22 6381 Napa Sulphur Springs Resort, west of St. Helena 121 Comment
  RSA693749  Dryopteris arguta B. C. Templeton 1957-6-26 s.n. Napa Near Hill and Connors anches, Calistoga Comment
  UC397024  Dryopteris arguta Dr. Goodspeed June 1929 Napa near Napa Comment
  UCD136436  Dryopteris arguta G. F. Hrusa; G. L. Stebbins 1994-3-11 11614 Napa Las Posadas State Forest, immediately E of Fire Station. 550 Comment
  SEINET3098801 Image available Dryopteris filix-mas Royal D. Suttkus 1967-6-26 67- 30 -31 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  HSC65075  Dudleya cymosa J. P. Smith, J. O. Sawyer 1970-5-17 3775 Napa 3 mi. S of Pope Valley Comment
  SFV8761  Dudleya cymosa R. C. Herner 1965-5-8 22 Napa North Coast Ranges Vaca Mountains. On State Highway 128, 6 miles southwest of Monticello Dam. 300 Comment
  CHSC102279  Echinochloa colona Lowell Ahart 2009-10-12 16463 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC197072  Echinochloa crus-galli Peter H. Raven 1952-8-26 5150 Napa Road n.e. of Buchli Station 30 Comment
  RSA518795  Echinodorus berteroi Barbara Ertter, E. Neese 1988-10-2 7968 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  UCSB61647  Echinodorus berteroi Ertter, Barbara; Neese, Elizabeth 1988-10-2 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges, T7N R5W; E of boat-launching ramp 91 Comment
  UC1222177  Echinodorus berteroi Joseph P. Tracy 1950-8-12 19305 Napa Conn Valley Reservoir Comment
  JEPS122654  Eclipta prostrata Jake Ruygt 1998-8-29 4113 Napa Berryessa at Eticuera Creek parking pullout. Quad: Water Spring. Comment
  UCD147528  Eleocharis macrostachya Ellen Dean; Diana Hickson 2014-4-29 8082 a Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD19323  Eleocharis macrostachya M. A. Bibbo; E. Dean 2001-7-6 15 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 edge of water hole downslope of the road. 320 Comment
  UCD161512  Eleocharis parishii Jake Ruygt 1989-5-9 2311 -a Napa American Canyon, Avilla Ranch. 85 Comment
  CAS-BOT-BC112167  Eleocharis radicans Peter H. Raven 1952-8-25 5127 Napa Nr. Lokoya. 609 Comment
  RSA10693  Elymus glaucus C. B. Wolf 1928-5-3 1794 Napa 5 mi. no. of Calistoga, Mt. St. Helena Grade. Comment
  CAS-BOT-BC203599  Elymus glaucus subsp. glaucus Peter H. Raven 1957-5-5 10779 Napa Hills at western edge of Calistoga 182 Comment
  SEINET192619  Elymus glaucus subsp. glaucus C. B. Wolf 1928-5-3 1794 Napa 5 mi N of Calistoga Mt St Helen grade Comment
  UCD167092  Elymus trachycaulus subsp. trachycaulus Jake Ruygt 2015-7-4 6145 Napa Missimer - Snell Valley Preserve. 180 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
  CAS-BOT-BC166343  Epilobium canum subsp. canum H. M. Hall 1923-10-12 11924 Napa 16 mi. west of Monticello on road to [Lowerlake] Lower Lake Comment
  JEPS44032  Epilobium canum subsp. canum Willis L. Jepson 1903-9-7 2355 Napa York Creek Canyon Napa River Basin, St. Helena Comment
  JEPS44051  Epilobium canum subsp. canum W. L. Jepson 1894-10-14 14429 Napa rocky summits back of Rebecca Ranch (in range sw of Calistoga) Comment
  CAS-BOT-BC171952  Epilobium canum subsp. latifolium T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain Comment
  UCD67889  Epilobium canum subsp. latifolium D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Knoxville-Berryessa Road. Near Spanish Flat. 220 Comment
  HSC43908  Epilobium minutum Robert M. Specht 1977-5-15 882 Napa Ridges below Develhead Rd. 473 Comment
  JEPS110715  Epilobium minutum Jake Ruygt 1991-5-11 2669 Napa intersection Aetna Extension Rd. with Oat Hill Mine Rd. 670 Comment
  RSA264970  Epilobium minutum Gilbert Muth 1974-4-6 s.n. Napa Near Cedar Roughs near Pope Valley. 701 Comment
  UCD138932  Epipactis gigantea Stephen Clement 1973-5-18 65 Napa at the junction of Snell Valley Road and Butts Canyon Road. 274 Comment
  CAS-BOT-BC57894  Equisetum X ferrissii Peter H. Raven 1951-10-28 3922 Napa Yountville. 60 Comment
  CHSC102293  Eragrostis hypnoides Lowell Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  CAS-BOT-BC293618  Erigeron biolettii L. R. Abrams 1916-7-2 5750 Napa Near St. Helena Sanitarium Comment
  UCD161573  Erigeron foliosus var. franciscensis Jake Ruygt 2006-7-3 5068 Napa Mead Ranch, west of the big barn. 481 Comment
  JEPS106942  Erigeron greenei Jake Ruygt 1997-7-5 3873 Napa Sugarloaf Peak, west of Spanish Flat. 574 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-BC216031  Eriodictyon californicum M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  HSC43918  Eriodictyon californicum Robert M. Specht 1977-4-13 657 Napa South-facing slope 488 Comment
  UC527841  Eriodictyon californicum R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6672 a Napa 7 mi ne of Pacific Union College (Howell Mt.) on road to Aetna Springs Howell Mt. Comment
  UCD159950  Eriodictyon californicum Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UC130954  Eriogonum compositum var. compositum Katharine Brandegee 1909-6-1 Napa Pope Valley Grade from Calistoga Comment
  RSA128800  Eriogonum dasyanthemum Peter H. Raven 1951-10-28 3954 Napa Road 4 miles south of Knoxville 366 Comment
  UC1177103  Eriogonum dasyanthemum Peter H. Raven 1951-10-28 3954 Napa 4 mi s Knoxville 365 Comment
  JEPS120315  Eriogonum fasciculatum var. foliolosum Jake Ruygt 2004-9-21 4670 Napa 0.65 mile north of Turtle Rock on Highway 128. Yountville 7.5' Quad. Comment
  UC535080  Eriogonum gracile Susan G. Stokes 1933-8-27 82 Napa Sage Canyon Napa Mountains, Sage Canyon Comment
  CAS-BOT-BC266056  Eriogonum luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa Mountains Comment
  POM209841  Eriogonum luteolum S. G. Stokes 1933-8-27 81 Napa Sage Canyon, Napa Mountains. Comment
  JEPS110762  Eriogonum luteolum var. luteolum Jake Ruygt 1979-5-24 634 Napa 2.1 miles east of Silverado Trail on HWY 128 106 Comment
  UC535075  Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 81 Napa Sage Canyon Napa Mountains 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
  UCD164786  Eriogonum luteolum var. luteolum Jake Ruygt 2010-6-21 5649 Napa east of White point. 652 Comment
  CAS-BOT-BC268976  Eriogonum nudum var. auriculatum Susan G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mountains Comment
  JEPS56601  Eriogonum nudum var. auriculatum Willis L. Jepson 1903-9-6 2348 Napa St. Helena Comment
  JEPS106952  Eriophyllum confertiflorum Jake Ruygt 1995-6-13 3495 Napa Oakville Grade about 100 yards east of Mt. Veeder Road. 176 Comment
  SEINET7072771  Eriophyllum confertiflorum A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) 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
  UCD48638  Eriophyllum lanatum K. Mogel; B. Pekin and M. Higley 2002-5-4 3 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 100 ft. along the lower road that leads to the power lines; immediately downslope of road. 335 Comment
  CAS-BOT-BC301053  Eriophyllum lanatum var. achilleoides R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6679 Napa Butt's Canyon, 10 mi. N. of Howell Mt. Comment
  UC90252  Eriophyllum lanatum var. achilleoides T. S. Brandegee 1883-8-1 Napa Calistoga Comment
  CAS-BOT-BC301047  Eriophyllum lanatum var. achilleoides C. B. Wolf 1928-2-25 1487 Napa On the Mt. St. Helena Grade 2 miles below Hawkins Mountain Camp Comment
  UC642443  Eriophyllum lanatum var. achilleoides Joseph Andorfer Ewan 1934-4-30 8814 Napa 4 mi above Napa; Sarco Creek Comment
  JEPS106526  Erodium botrys Jake Ruygt 1979-5-19 608 Napa Giles-Mead Ranch 481 Comment
  JEPS61372  Erodium botrys W. L. Jepson 1915-4-23 6268 Napa near St. Helena; Napa Valley Comment
  UCD41464  Erodium botrys Ellen Dean; Deborah Canington 2003-3-1 1361 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. By university gate at sign-in post. 390 Comment
  UCD49058  Erodium cicutarium E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 12 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. ca. 0.45 miles (2,400 ft.) as the crow flies NW from the jct of West Rd. and South Decker Canyon Rd. 249 Comment
  UCD170277  Eryngium Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 811 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 637 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
  CAS-BOT-BC54304  Erysimum capitatum David D. Keck 1931-4-2 1031 Napa Wooden Valley road, east side of Napa Range, 8 miles from Napa. Comment
  UC10529  Erysimum capitatum Willis L. Jepson 1893-5-4 Napa trail to summit Napa River Basin, Mt. St. Helena Comment
  UCD170371  Erysimum capitatum var. capitatum Daniel Potter; N Khuu, K Battenberg 2016-4-30 869 Napa Knoxville Wildlife Area, along Nevada Creek. 194 Comment
  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-BC133287  Erythronium helenae Mrs. Clara Hunt 1924-3-10 s.n. Napa unspecified Comment
  CAS-BOT-BC133290  Erythronium helenae Elmer I. Applegate 1932-3-22 7031 Napa Mt. St. Helena, northern Napa County, just east of the [Palasades] Palisades on old stage road Comment
  NY319669  Erythronium helenae E. I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mount St. Helena. Steep northerly slope just east of the Palisades on old stage road. Comment
  POM196477  Erythronium helenae J. T. Howell 1926-3-21 1715 Napa St. Helena Creek below Pattens 457 Comment
  RSA195285  Erythronium helenae Gilbert Muth 1967-4-9 601 Napa Aetna Spring Road. 305 Comment
  CAS-BOT-BC402791  Eschscholzia caespitosa Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  CAS-BOT-BC402797  Eschscholzia caespitosa John Thomas Howell 1931-4-3 6127 Napa Pope Creek Canyon, Napa Range 8 miles from Monticello Comment
  CAS-BOT-BC402800  Eschscholzia caespitosa Peter H. Raven 1950-4-15 1737 Napa Wooden Valley Grade above Napa 457 Comment
  JEPS51748  Eschscholzia caespitosa Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  UC410441  Eschscholzia caespitosa Alice Eastwood 1930-4-13 17925 Napa canyon between Monticello and Pope Valley Comment
  UCR146408  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Inner North Coast Ranges, Martley Canyon on Hwy. 128, Vaca Mountains 305 Comment
  CAS-BOT-BC402785  Eschscholzia caespitosa Lester Rowntree 1937-3-30 s.n. Napa Steel Canyon near Napa Comment
  UCD95244  Eschscholzia caespitosa Curtis Clark 1975-4-28 490 Napa State Highway 128, 13.6 miles west of Winters. Comment
  RSA52711  Eschscholzia caespitosa subsp. caespitosa I. L. Wiggins 1949-4-30 12078 Napa 2.5 miles above Calistoga along old toll road to Middletown Comment
  CAS-BOT-BC403337  Eschscholzia californica Alice Eastwood 1922-5-4 11274 Napa Mt. St. Helena Comment
  OBI11795  Eschscholzia californica R. L. Hoover 1968-4-20 55 Napa In field NE of jctn of Aetna Springs, Pope Valley, and Butts Cyn Rds Comment
  UCD48073  Eschscholzia californica Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 9 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  SEINET4854346  Eschscholzia formosa Carl F. Baker 1903-4-20 2614 Napa Mount St. Helena. Comment
  UC1285727  Eucalyptus viminalis W. L. Jepson 1936-6-29 17628 Napa near Rutherford (in front of house of Mrs. O. G. Freyermuth); Napa Valley Comment
  JEPS126043  Eucrypta chrysanthemifolia var. chrysanthemifolia Jake Ruygt 1989-4-8 2254 Napa About 1/2 mile south of Monticello Dam on Vaca Mount. Monticello Dam 7.5' Quad. Comment
  JEPS129080  Euphorbia crenulata Jake Ruygt 2016-4-5 6177 b Napa Gunn Ranch, E side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  JEPS51866  Euphorbia crenulata W. L. Jepson 1915-4-23 6251 Napa Conn Valley; Napa Range Comment
  UCSC009026  Euphorbia crenulata Dylan M. Neubauer 2015-4-24 128 Napa Sage Canyon Rd/Hwy 128, across from S edge Lake Hennessey, NCoRI 101 Comment
  UCD167044  Euphorbia crenulata Jake Ruygt 1996-5-14 3695 Napa White Cliff Springs; Elder Valley; (Sabini property). 390 Comment
  UCD20021  Euphorbia crenulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1217 Napa 5.6 miles N of junction of Routes 128 and 37 on Route 128. Comment
  CDA4871  Euphorbia oblongata R. Lawley 1970-5-22 Napa Oakville Cross Road & Silverado Trail, Oakville. 0 Comment
  UCD149689  Euphorbia oblongata Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD142417  Euphorbia oblongata R. Lawley 1972-5-1 s.n. Napa Highway 29 south of Calistoga. Comment
  UCD167048  Euphorbia oblongata Jake Ruygt 1989-12-11 2427 Napa Yountville Ecological Reserve. 22 Comment
  UCD19328  Euphorbia serpillifolia subsp. serpillifolia M. A. Bibbo; E. Dean 2001-7-6 20 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline on N edge of water hole downslope of the road. 320 Comment
  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
  UCD142488  Euphorbia spathulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1218 Napa Along State Highway 128; 5.6 miles north of its junction with State Highway 37. Comment
  UC126550  Eurybia radulina Harley P. Chandler Sep 7 1906-Sep 14 1906 7126 Napa Howell Mountain, Alta Loma Ranch 487 Comment
  CDA29771  Euthamia occidentalis M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 220 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  CAS-BOT-BC278273  Festuca californica A. G. Vestal 1963-4-7 58749 .1 Napa 3.9 miles north of St. Helena Comment
  CHSC30533  Festuca californica T. B. Devine 1980-4-12 698 Napa On Hwy. 29 ca 4 1/2 mi. SW of Robert Louis Stevensen State Park. Comment
  UC1155258  Festuca californica J. R. Sweeney 1953-5-8 1017 Napa 0.1 mi se Black Oak Villa (1.1 mi from Lake-Napa County line; on Pope Valley road); Butts Canyon Comment
  UCD163273  Festuca californica D. Slakey; CNPS Volunteers 2015-4-25 117 .5 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  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
  UCR43100  Festuca californica 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
  UCSB6949  Festuca californica Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley; on California Highway #37 304 Comment
  RSA371706  Festuca californica var. californica L. F. LaPre 1986-5-6 s.n. Napa Cedar Creek, 3.5 miles SW of Knoxville and ca. 1/2 mile (air) W of Devilhead Road, at junction of the creek and a dirt road. Comment
  CAS-BOT-BC282494  Festuca elmeri Carl B. Wolf 1928-5-3 1813 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  UCD32894  Festuca roemeri Beecher Crampton 1965-5-13 7328 Napa south end of Chiles Valley on hwy. 128. Comment
  JEPS76120  Festuca rubra W. L. Jepson 1938-6-8 18894 Napa Butts Canyon South Fork Butts Creek Comment
  UCD19915  Frangula californica subsp. californica E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 771 Napa Quail Ridge Reserve. SW corner of Lake Beryessa, along South Decker Canyon Road, S of junction with Cut-off Road. 219 Comment
  HSC60199  Frangula californica subsp. occidentalis J. P. Smith, J. O. Sawyer 1970-5-17 3785 Napa 9 mi. N of Pope Valley Comment
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Jun 12 2012
  UCD118521  Frangula californica subsp. tomentella Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD18109  Frangula californica subsp. tomentella K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 46 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  CAS-BOT-BC223531  Fraxinus latifolia John Thomas Howell 1926-3-21 1713 Napa St. Helena Creek near Pattens 609 Comment
  JEPS78435  Fraxinus latifolia Edward Lee 1936-3-15 1803 Napa 0.75 mi out of Rutherford (Rutherford to Pope Valley road) Comment
  RSA107469  Fraxinus latifolia L. S. Rose 1955-9-26 55190 Napa Below Conn Lake, 4 mi NE of Rutherford. 61 Comment
  SEINET13943203 Image available Fraxinus latifolia Lewis S. Rose 1955-1 55190 Napa Below Conn Lake; 4 mi NE of Rutherford; ca. 200 ft alt. 61 Comment
  CAS-BOT-BC26108  Fremontia napensis Cornelia S. Masters 1915-6-15 s.n. Napa unspecified Comment
  CAS-BOT-BC205894  Fremontodendron californicum John Thomas Howell 1939-5-7 14653 Napa Near head of Hunting Creek northwest of Knoxville Comment
  JEPS41070  Fremontodendron californicum Rimo Bacigalupi, & L. R. Heckard, J. R. Sweeney 1965-5-16 9107 Napa Near summit of grade on the Knoxville-Lower Lake road, in the short panhandle of extreme northeastern Napa County 640 Comment
  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
  SBBG26890  Fremontodendron californicum J. T. Howell 1939-5-7 Napa near head of Hunting Crk NW of Knoxville Comment
  UC545809  Fremontodendron californicum Herbert L. Mason 1935-5-30 10009 Napa 4 miles north of Knoxville Mines Comment
  UC726963  Fremontodendron californicum A. A. Heller 1941-5-16 16134 Napa 3 miles west of Knoxville on the road to Lower Lake Comment
  JEPS128912  Fremontodendron californicum subsp. californicum Jake Ruygt 1992-5-20 2996 Napa North of Leoma Lakes, Wild Horse Valley Ranch (Lair). Mount George 7.5' Quad. Comment
  POM258881  Fremontodendron californicum subsp. californicum J. T. Howell 1939-5-7 14653 Napa Near head of Hunting Creek, northwest of Knoxville Comment
  SEINET5518601 Image available Fremontodendron californicum subsp. napense John Thomas Howell 1939-1 14653 Napa Near head of Hunting Creek northwest of Knoxville Comment
  CAS-BOT-BC130079  Fritillaria affinis Carl B. Wolf 1928-5-3 1836 Napa Base of Mt. St. Helena Comment
  JEPS61901  Fritillaria affinis Willis L. Jepson 1893-5-5 14823 Napa Mount St. Helena, Middletown Grade Mount St. Helena; , Middletown Grade Comment
  POM169367  Fritillaria affinis C. F. Baker 1903-4-20 2618 Napa Mt. St. Helena. Comment
  UCSB680  Fritillaria affinis Keator, Glenn 1959-3-28 Napa Near Conn's Picnic grounds, Lake Hennessy Area 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
  POM182670  Fritillaria purdyi D. D. Keck 1931-4-4 1091 Napa The Crater Country, 3.5 miles SE from summit of Mount St. Helena Comment
  UC421723  Fritillaria purdyi Mrs. L. M. McArthur 1930-4-3 Napa Calistoga, summit of second range Calistoga Comment
  CAS-BOT-BC508189  Fritillaria recurva E. Crum 1936-3-15 s.n. Napa Butt's Canyon, Pope Valley - Middletown Road Comment
  POM161096  Fritillaria recurva Rimo C. Bacigalupi 1926-3-28 1256 Napa Road below Mt. St. Helena about halfway between Summit and Middletown Comment
  UC672098  Fritillaria recurva Herbert L. Mason 1926-3-14 2732 Napa e side of Mount St. Helena, Toll House Canyon Toll House Canyon; Mount St. Helena, Toll House Canyon Comment
  POM204016  Galium andrewsii M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UC28176  Galium aparine Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin Comment
  UCD49243  Galium aparine A. Van Houtte; E. Leger and C. Hohn 2001-4-14 4 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, in Decker Canyon on W side of S. Decker Canyon Rd., near ruined cabins. 152 Comment
  RSA0054814  Galium aparine Keith E. Hoffmaster 1939-4-6 910 Napa Putah can. Comment
  RSA10657  Galium aparine Carl B. Wolf 1928-5-3 1832 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  JEPS110562  Galium bolanderi Jake Ruygt 1981-5-6 1013 Napa Zim Zim Falls 390 Comment
  JEPS52705  Galium bolanderi Lauramay T. Dempster and G. L. Stebbins 1963-5-26 3782 A Napa Howell Mt. rd 1 mi n Pacific Union College (n of Angwin) Comment
  UC127126  Galium bolanderi Harley P. Chandler Sep 7 1906-Sep 14 1906 7105 Napa Alta Loma Ranch Howell Mountain 487 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
  UC1196108  Galium californicum subsp. californicum Joseph P. Tracy 1899-7-3 425 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 518 Comment
  CDA6658  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa Hills west of Napa Valley between St. Helena and Mt. St. John Comment
  JEPS106906  Gamochaeta ustulata Jake Ruygt 1982-4-18 1192 Napa Calistoga Grade, Mt.St.Helena 359 Comment
  UCD168538  Gamochaeta ustulata Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  CAS-BOT-BC144384  Garrya fremontii H. E. McMinn 1925-1-23 1363 Napa Summit of Wooden Valley Grade Comment
  CAS-BOT-BC144423  Garrya fremontii Alice Eastwood 1918-9-3 7946 Napa Mt. St. Helena Comment
  UC1618117  Garrya fremontii Donald G. Nelson 1940-8-7 703 Napa about 1 mi nw Knoxville (on road to Clear Lake) Comment
  UCD66609  Gastridium phleoides E. G. Cakin 1947-5-14 Napa Near Chemilele Farm Center, Monticello - Napa road. Comment
  UC71009  Gastridium ventricosum W. L. Jepson 1896-6-2 Napa St. Helena Comment
  UCR106835  Geranium molle Julie Knorr 1977-4-16 7 Napa Hwy 128, 6.4 mi west of Monticello Dam, steep N facing slope Comment
  UCR92541  Geranium molle A. C. Sanders 1996-6-1 18195 Napa Napa, SE edge of town at Skyline Park, E end of Imola Road East. 91 Comment
  SEINET5744393 Image available Geranium molle Peter Stekel 1974-1 21 Napa State Hwy 128 along N slope of Rag Creek headwaters, 4 miles E of junction of State Hwys 128 and 121.; Rag Creek 305 Comment
  JEPS120362  Gilia achilleifolia subsp. multicaulis Jake Ruygt 1995-4-29 3453 Napa Skyline Park, Sugarloaf Peak Trail. Mount George 7.5' Quad. Comment
  RSA83139  Gilia capitata Verne Grant, Alva Grant 1947-5-11 7985 Napa ca. 8 miles NE of Vichy Springs on Monticello road, Mayacama Mountains. Comment
  UCD149655  Gilia capitata Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  JEPS110952  Gilia capitata subsp. capitata Jake Ruygt 1978-4-30 281 Napa .1 mile from end of Taplin Rd. 67 Comment
  UCR202432  Gilia capitata subsp. capitata Peter L. Morrell 1993-6-6 269 Napa Coast Range, Along Hwy 29, north side of road, 1 mile south of Robert Louis Stevenson State Park, c. 3 miles north of Calistoga 146 Comment
  UC1182810  Gilia capitata subsp. capitata A. R. Kruckeberg 1949-7-22 S- 134 Napa Comment
  UC932033  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-3 7964 Napa ca 2-3 mi from Knight's Valley (on w slope of Mt. St. Helena); w slope Mt. St. Helena, ca 2-3 mi from Knight's Valley Comment
  HSC45343  Gilia tricolor R. York 1978-4-8 115 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  SEINET7075538  Gilia tricolor subsp. diffusa 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
  UC908613  Gilia tricolor subsp. tricolor Herbert L. Mason 1926-3-14 2731 Napa Mount St. Helena Comment
  UCD167229  Gilia tricolor subsp. tricolor Jake Ruygt 1987-3-19 1933 Napa Milliken Canyon near east end of pipeline. 134 Comment
  POM182707  Githopsis specularioides D. D. Keck 1931-4-2 1022 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 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
  UCD38570  Githopsis specularioides Beecher Crampton 1956-5-25 3450 Napa Vaca Mtns., Markley Canyon. Comment
  UCSB9986  Githopsis specularioides Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek about 3 miles east of Chiles Valley 304 Comment
  JEPS115774  Glinus lotoides Lowell Ahart 2009-10-12 16444 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 133 Comment
  UCD32580  Glyceria striata Beecher Crampton 1954-6-8 1934 Napa 5 miles south Middletown, Hwy 29, above St. Helena Creek. Comment
  UC1199057  Glycyrrhiza lepidota Joseph P. Tracy 1904-5-24 2080 Napa along river near Rutherford; Northern Coast Ranges, Napa River 60 Comment
  CAS-BOT-BC303820  Gnaphalium John Thomas Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St Helena Comment
  CDA5877  Gnaphalium californicum R. Lawley 1958-4-11 Napa St. Helena Highway. 0 Comment
  CDA5998  Gnaphalium canescens R. Barrett 1957-10-17 415 -57 Napa County Corp. yard, Napa. 0 Comment
  POM204465  Gratiola ebracteata J. T. Howell 1933-5-21 11322 Napa Napa Comment
  CAS-BOT-BC304896  Grindelia hirsutula Peter H. Raven 1951-6-24 3018 Napa Brown's Valley 91 Comment
  CAS-BOT-BC304902  Grindelia hirsutula John Thomas Howell 1932-10-8 10804 Napa Cuttings Wharf on Napa River Comment
  JEPS121525  Grindelia hirsutula Adam C. Schneider with Dick O'Donnell 2013-5-26 234 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS41915  Grindelia hirsutula W. L. Jepson 1936-5-31 Napa near Sanitarium; Howell Mr., Napa Range Comment
  POM41961  Grindelia hirsutula Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  RSA128656  Grindelia hirsutula Peter H. Raven 1951-6-26 3040 Napa E of Napa on Monticello Rd. 61 Comment
  UC1714868  Grindelia hirsutula Max P. Dunford 1959-10-3 556 Napa 3/4 mi N of Samuel Springs (along trout creek, 100 yds S of mouth) Comment
  UC473550  Grindelia hirsutula John Thomas Howell 1930-7-13 5346 Napa Mt. St. Helena Comment
  RSA430116  Guillenia flavescens Robert M. Specht 1977-4-13 649 Napa Plants of the Ukiah District. 524 Comment
  CAS-BOT-BC202652  Gyminda tonduzii James L. Reveal 1987-6-7 6394 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road, about 5.5 miles west-northwest of Vacaville Comment
  OBI21959  Hainardia cylindrica S. Galen SMith, J. Anderson 1957-6-7 2958 Napa Myrtledale Hot Srpings 1.5 mi NW of Calistoga 122 Comment
  UCD170159  Harmonia hallii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 779 Napa Knoxville Wildlife Area, on road above and east of upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 522 Comment
  CAS-BOT-BC302219  Harmonia nutans Carl B. Wolf 1928-5-3 1782 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC302236  Harmonia nutans J. Clausen 1935-5-23 1072 Napa Howell Mountain, near summit, 6.5 mi. N.E. of St. Helena Comment
  RSA769211  Helenium puberulum L. Ahart 2009-10-12 16423 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
  UC127186  Helenium puberulum Harley P. Chandler Sep 7 1906-Sep 14 1906 7109 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS33583  Helianthella californica subsp. californica W. L. Jepson 1938-5-25 18863 Napa Bell Canyon Napa Range, Howell Mtn. 579 Comment
  CAS-BOT-BC314717  Helianthella californica var. californica John Thomas Howell 1937-7-4 13057 Napa Wooden Valley Grade Comment
  UCD132906  Helianthus bolanderi G. F. Hrusa; T. D. Wilfred 1997-7-24 14020 Napa middle reaches of Butts Canyon +/- 8 to 10 miles southeast of Middletown. 200 Comment
  UCR81348  Helianthus bolanderi G. Fred Hrusa 1993-10-3 11426 Napa 2.1 mi SW along Knoxville-Devilhead Rd. from Knoxvlle-Berryessa Rd. 440 Comment
  UCD132787  Helianthus exilis G. F. Hrusa 1993-10-3 11426 Napa 2.1 m. southwest along Knoxville-Devilhead Road from Knoxville-Berryessa Road. Comment
  UCD164736  Helianthus exilis Jake Ruygt 2014-6-23 6013 Napa Sutro Ranch southeast, Atlas Peak. 664 Comment
  UCD161574  Heliotropium curassavicum Jake Ruygt 2006-9-5 5092 Napa Rector Creek about 4/10 mile east of Conn Creek. 36 Comment
  CDA34656  Heliotropium europaeum L. 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. 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
  UCD161740  Heliotropium europaeum Jake Ruygt 1992-9-5 3143 Napa 0.15 mile south of Tubbs Lane on Myrtledale Road, Calistoga. 122 Comment
  UCD74367  Heliotropium europaeum Jake Ruygt 2005-6-7 4910 Napa Berryessa-Knoxville Rd. at Oak Shores headquarters. 176 Comment
  CHSC102262  Helminthotheca echioides Lowell Ahart 2009-10-27 16481 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CAS-BOT-BC306147  Hemizonia congesta subsp. clevelandii H. M. Hall 1923-1-1 s.n. Napa Calistoga Comment
  JEPS40232  Hemizonia congesta subsp. clevelandii Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  CAS-BOT-BC306141  Hemizonia congesta subsp. clevelandii Edward Lee Greene 1883-1-1 s.n. Napa At Calistoga Comment
  UC194237  Hemizonia congesta subsp. lutescens H. M. Hall 1916-8-6 10262 Napa 7 km s Napa Comment
  CAS-BOT-BC309829  Hemizonia congesta subsp. luzulifolia W. M. Heusi 1930-10-18 104 Napa About 5 miles w. of Cordelia, in waste field along highway to Napa Comment
  JEPS106663  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1996-7-13 3762 Napa White Cliff Springs, Soda Valley (Soda Spring). 335 Comment
  JEPS40377  Hemizonia congesta subsp. luzulifolia W. L. Jepson 1938-9-24 19019 Napa canyon of James Creek; Pope Valley 304 Comment
  SD9040  Hemizonia congesta subsp. luzulifolia Daniel Cleveland Sep 1882 Napa Aetna Springs. Comment
  UCD20508  Hemizonia congesta subsp. luzulifolia E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1081 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  CAS-BOT-BC309832  Hemizonia congesta subsp. luzulifolia Milo S. Baker 1932-9-24 6058 Napa Two or 3 mi. S. of Napa East of Hiwy. Comment
  CAS-BOT-BC309844  Hemizonia congesta subsp. luzulifolia Joseph Andorfer Ewan 1933-9-17 7999 Napa Napa, Napa Valley Comment
  JEPS38253  Hemizonia congesta subsp. luzulifolia W. L. Jepson 1939-9-12 19486 Napa w St. Helena (1 mi w of summit (w side)); Spring Mtn. Comment
  UC197531  Hemizonia congesta subsp. luzulifolia H. M. Hall 1915-8-12 10097 Napa Collins San Francisco Bay Region Comment
  POM195298  Hemizonia parryi subsp. parryi H. M. Hall 1923-10-15 11948 Napa Calistoga. Comment
  CAS-BOT-BC388501  Herniaria hirsuta var. cinerea Peter H. Raven 1951-6-10 2911 Napa Crater Region e. of Mt. St. Helena 762 Comment
  UC175983  Hesperevax acaulis var. robustior Joseph P. Tracy 1903-5-22 1886 Napa on Eel River (Alder Point); Northern Coast Ranges, Alder Point 152 Comment
  UCD63182  Hesperevax acaulis var. robustior Jake Ruygt 2005-4-10 4751 Napa Skyline park, near Manzanita trail. 164 Comment
  UCD161646  Hesperocyparis macnabiana Jake Ruygt 2006-3-23 4960 Napa north of Potato Hill, Wildlake Ranch. (Coordinates coverted from UTM data by label maker.) 685 Comment
  CAS-BOT-BC167420  Hesperolinon bicarpellatum Joseph P. Tracy 1933-6-2 12480 Napa Howell Mountain. On hills at head of Moore's Creek, 5 miles east of Angwin's 396 Comment
  CAS-BOT-BC167425  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-20 4145 Napa Above Pope Creek ca. 0.5 mile from Walter Springs 152 Comment
  CAS-BOT-BC231515  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
  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
  JEPS32275  Hesperolinon bicarpellatum W. L. Jepson 1938-6-8 18888 Napa slopes along the Snell Valley Road ne Pope Valley (drainage of Butts Creek) (northern Napa County) Comment
  LA47294  Hesperolinon bicarpellatum Helen Sharsmith; Napa ridge between Butts Canyon and Pope Valley on tributary of Pope Creek 274 Comment
  POM138927  Hesperolinon bicarpellatum Katherine Brandegee 1911-6-29 s.n. Napa Butts Canyon near Aetna Springs. Comment
  UC1212359  Hesperolinon bicarpellatum Helen K. Sharsmith 1957-6-18 4606 Napa 0.25 mi beyond north end of Pope Valley (near divide between Pope Valley and Butt's Canyon); Inner North Coast Ranges 259 Comment
  UC1862410  Hesperolinon bicarpellatum Richard O'Donnell 2005-6-9 Napa 180 m NW of the junction of Cedar Creek and Hunting Creek Paradise Valley 270 Comment
  UCD119659  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
  CAS-BOT-BC167446  Hesperolinon breweri Peter H. Raven 1951-6-26 3078 Napa S. [Cappell] Capell Valley 365 Comment
  CAS-BOT-BC176016  Hesperolinon californicum Peter H. Raven 1951-6-26 3079 Napa [Cappell] Capell Valley 365 Comment
  JEPS122836  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-18 229 Napa At end of Barnett Road off of Pope Valley Road. Comment
  JEPS122903  Hesperolinon californicum Adam C. Schneider 2015-5-19 933 Napa Along Pope Valley Rd. Comment
  SD51666  Hesperolinon californicum Helen K. Sharsmith 1952-6-20 4146 Napa Near Pope Creek at its outlet from Pope Valley. 152 Comment
  UC1212439  Hesperolinon californicum Helen K. Sharsmith 1957-6-18 4601 Napa s slope Conn Dam (between Rutherford and Chiles Valley); Inner North Coast Ranges 121 Comment
  UC1212455  Hesperolinon californicum Helen K. Sharsmith 1957-6-18 4604 Napa head Pope Creek Canyon (where stream leaves Pope Valley); Inner North Coast Ranges 243 Comment
  UC1212521  Hesperolinon californicum Helen K. Sharsmith 1958-10-16 4618 Napa head Pope Creek Canyon (where stream leaves Pope Valley); Inner North Coast Ranges 243 Comment
  UC1601207  Hesperolinon californicum Helen K. Sharsmith 1951-10-21 4037 Napa w side Chiles Valley (on Rutherford-Monticello road); Inner North Coast Ranges 243 Comment
  UCD149639  Hesperolinon californicum 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
  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
  UC1212335  Hesperolinon clevelandii J. P. Tracy 1902-5-16 1489 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 457 Comment
  UCSC009031  Hesperolinon clevelandii Dylan M. Neubauer 2015-4-26 133 Napa (NCoRI) Butts Canyon Rd, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  CAS-BOT-BC176053  Hesperolinon clevelandii Alice Eastwood 1923-5-9 11739 Napa Hills above Calistoga Comment
  UCD167295  Hesperolinon clevelandii Jake Ruygt 2007-5-26 5193 Napa Duff Ranch; northeast side of High Point. 768 Comment
  CAS-BOT-BC176238  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4113 Napa About one mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Monticello road 121 Comment
  UCD149658  Hesperolinon disjunctum Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  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
  UCD167298  Hesperolinon disjunctum Jake Ruygt 2004-5-8 4596 Napa Lone Pine Thicket on private road accessible from Devilhead Road. 633 Comment
  JEPS122796  Hesperolinon micranthum Jake Ruygt 2005-6-1 4885 b Napa Blue Ridge, about 1 mile north of Mays Flat. QUAD: Knoxville. Comment
  UC1212259  Hesperolinon micranthum Helen K. Sharsmith 1952-5-31 4105 Napa s side Conn Dam (on slopes of canyon); Inner North Coast Ranges, Sage Canyon 76 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
  UC1212412  Hesperolinon micranthum Helen K. Sharsmith 1957-5-30 4594 Napa nw of Cappell Valley; Inner North Coast Ranges 243 Comment
  JEPS122788  Hesperolinon sharsmithiae Jake Ruygt 2009-6-18 5439 Napa Chiles-Pope Valley Road. QUAD: Chiles Valley. Comment
  JEPS122856  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-28 240 Napa Along west side of Sage Canyon Road, 0.7 mlles south of junction with Lower Chiles Valley Rd. Comment
  JEPS127877  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-26 206 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road. Comment
  JEPS122802  Hesperolinon spergulinum Jake Ruygt 2000-6-10 4268 Napa Berryessa-Knoxville Road near Foley Creek. QUAD: Knoxville. Comment
  JEPS32289  Hesperolinon spergulinum W. L. Jepson 1894-7-19 13542 Napa grade up Mt. St. Helena from Calistoga ((at schoolhouse)) Comment
  JEPS106575  Heterocodon rariflorum Jake Ruygt 1996-6-23 3757 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 441 Comment
  OBI57141  Heterocodon rariflorum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24512 Napa Along Aetna Springs Road on east slope of Sugarloaf Mountain Comment
  SEINET10460655  Heterocodon rariflorum Tracy TRACY 2226 Napa HOWELL MTN. Comment
  CAS-BOT-BC143748  Heteromeles arbutifolia L. R. Abrams 1916-7-2 5765 Napa Near St. Helena Sanitarium Comment
  HSC47348  Heteromeles arbutifolia Richard Spjut 1978-12-4 5258 Napa Near Lake Barryessa along Hwy. 128 Comment
  UCD49138  Heteromeles arbutifolia S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 13 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
  CAS-BOT-BC176952  Heterotheca oregona var. oregona J. C. Semple; S. Heard 1986-8-20 8566 Napa Just N of [Calistogo] Calistoga on CA-29m, 15.3 km SW of Lake county line. Gravel bars of Garnett Creek Comment
  SBBG2692  Heuchera micrantha H. and M. Dearing 1939-5-1 3242 Napa cyn on Hart Ranch, St Helena Comment
  UC1543069  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa hwy from Napa to Wooden Valley (n slopes of mt.); George Mt. 152 Comment
  UC1299260  Holocarpha virgata subsp. virgata Freed W. Hoffman 1947-8-20 855 Napa along Trinity road North Coast Ranges Comment
  CAS-BOT-BC315791  Holozonia filipes Edward Lee Greene 1883-10-1 s.n. Napa Napa Valley Comment
  UC1103742  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1905-7-6 2229 Napa 3-4 mi e Angwin's (on hills at head Moore's Creek, Howell Mountian); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  CAS-BOT-BC284999  Hordeum depressum Peter H. Raven 1957-5-5 10752 Napa Calistoga 91 Comment
  CAS-BOT-BC285094  Hordeum marinum subsp. gussoneanum L. R. Abrams 1928-5-3 12211 Napa St. Helena Grade Comment
  UC73773  Hordeum murinum subsp. leporinum J. Burtt Davy Apr. 1902 Napa St. Helena Comment
  JEPS104542  Hydrocotyle ranunculoides Jake Ruygt 1981-3-29 959 Napa near P.G.and E substation, Suscol ridge 24 Comment
  JEPS106982  Hydrocotyle sibthorpioides Doreen Smith Nov 2003 s. n. Napa lawn of Silverado Country Club, E edge Napa Valley on NE side of Napa 39 Comment
  UC127182  Hypericum anagalloides Harley P. Chandler Sep 7 1906-Sep 14 1906 7104 Napa Alta Loma Ranch 487 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
  CAS-BOT-BC410805  Hypericum concinnum Belle Richardson Jackson 1930-6-8 s.n. Napa On the old Toll Road below Patten's Mt. St. Helena region Comment
  UCD159530  Hypochaeris radicata D. S. Park 2011-4-11 278 Napa Off Redwood Rd. Residential district. 48 Comment
  POM145272  Iris Simonds 1928-05 s.n. Napa Browns Valley. Comment
  UC1134692  Iris douglasiana B. Schreiber 1936-5-3 2204 Napa 1.2 mi w Calistoga; Calistoga Quad. 152 Comment
  CDA31272  Iris fernaldii D. G. Kelch 2010-5-6 10 .173 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS126028  Iris longipetala Jake Ruygt 1981-4-20 992 Napa American Canyon, east of Flosden Road. Cordelia 7.5' Quad. 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
  CDA10842  Iris macrosiphon G. F. Hrusa, G. L. Stebbins 1994-4-18 11779 A Napa North Coast Biodiversity Arena; Along Swartz Cyn. Rd. 1.5 m. W of Aetna Springs. 228 Comment
  JEPS88857  Iris macrosiphon Carol A. Wilson 1992-4-18 92 -ph1 Napa 0.5 mi w Pope Valley (n of Angwin, Howell Mt Rd) 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
  UCD48250  Iris macrosiphon S. Burgess; A. Hufton, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 21 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting Creek, on east-facing slope of 'Research Hill'. 655 Comment
  UCD82595  Iris macrosiphon Ellen Dean; T. Starbuck 2009-5-4 5534 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCD95898  Iris macrosiphon Ellen Dean; with Clare Loughran 2011-5-20 7043 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  UCD95917  Iris macrosiphon Ellen Dean; with Clare Loughran 2011-5-20 7053 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
  UCSB878  Iris macrosiphon Kamb, Peter; Chisaki, Francia 1950-4-22 Napa above valley floor; West side of Wooden Valley on California Highway 37 304 Comment
  JEPS126029  Iris orientalis Jake Ruygt 1998-5-23 3992 Napa Imola Ave, Napa; east side of river and south street. Napa 7.5' Quad. Comment
  JEPS129168  Isoetes howellii Jake Ruygt 2015-5-2 6086 e Napa West of Buck Mountain near Nevada. Knoxville 7.5' Quad. Comment
  JEPS116565  Isoetes nuttallii Jake Ruygt 1995-5-8 3464 Napa Abut 2 miles SE of Sage Canyon Road from boat dock. Yountville 7.5' Quad. Comment
  RSA170232  Isoetes nuttallii Joseph P. Tracy 1950-5-23 18659 Napa La Jota Plateau, on hills at head of Moore s Creek, 5 miles east of Angwin s, Howell Mountain. 518 Comment
  UC1245416  Isoetes nuttallii Joseph P. Tracy 18659 Napa 5 mi. e. Angwin's (hills at head of Moore's Creek); Howell Mt. 518 Comment
  UC1746157  Isoetes nuttallii Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2760 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS121362  Isolepis carinata Jake Ruygt 1986-6-21 1837 Napa Fagans Marsh Comment
  POM212010  Juglans hindsii Carl B. Wolf 1930-11-3 1801 Napa On Munson Ranch, Napa Range above Wooden Valley. 305 Comment
  UCD141338  Juncus balticus subsp. ater H. MacKenzie 1949-5-29 22 Napa 5 miles west of St. Helena. Comment
  JEPS129086  Juncus capitatus Jake Ruygt 2016-4-23 6203 Napa Missimer-Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  JEPS126053  Juncus dubius Jake Ruygt 2010-6-26 5659 Napa Las Posadas State Forest, near public road. Saint Helena 7.5' Quad. Comment
  JEPS122657  Juncus effusus subsp. pacificus Jake Ruygt 1985-5-25 1601 Napa American Canyon, 0.4 mile east of Flosden Road. Quad: Cordelia. Comment
  JEPS75646  Juncus effusus subsp. pacificus W. L. Jepson 1936-6-1 17578 Napa w side Four Corners; Napa Range, Howell Mt. Comment
  JEPS122660  Juncus kelloggii Jake Ruygt 1998-6-20 4041 Napa On Palisades trail from RLSSP, east of Table Rock. Quad: Detert Reservoir. 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
  RSA368101  Juncus oxymeris Robert Gustafson, Don Reynolds 1983-6-7 2734 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. Comment
  UC527940  Juncus oxymeris R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6686 Napa 10 mi n Howell Mt.; Butts Canyon Comment
  UCR227348  Juncus patens Ayzik Solomeshch 2007-5-28 s.n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road 152 Comment
  UC750690  Juncus patens Lewis S. Rose 1946-8-18 46264 Napa 3 mi ne Napa 60 Comment
  JEPS122666  Juncus phaeocephalus var. paniculatus Jake Ruygt 1996-6-1 3732 Napa Highway 128 about 3/4 mile north of Turtle Rock Cafe. Quad: Chiles Valley. Comment
  UC1151996  Juncus phaeocephalus var. paniculatus Joseph P. Tracy 1938-6-6 15847 Napa about 5 mi n Napa Comment
  UCD167045  Juncus phaeocephalus var. phaeocephalus Jake Ruygt 1998-5-25 3998 b Napa Napa River Ecological Reserve, Yountville. 27 Comment
  SBBG6948  Keckiella corymbosa J. M. Tucker 1941-9-20 399 Napa between Monticello and Pope Valley Comment
  UCD123773  Keckiella lemmonii H. Popenoe 1949-6-4 33 Napa 11.5 miles from Winters, on road to Monticello. Comment
  UC1178880  Kickxia elatine Herbert L. Mason 1942-9-29 12557 Napa 2 mi n Calistoga (bed of Napa River); Napa River Comment
  UC1552004  Kickxia elatine Aaron Liston and Sara Meury 1987-6-6 676 -1 Napa Bothe-Napa Valley State Park 150 Comment
  JEPS122912  Koeleria macrantha Jake Ruygt 2000-5-15 4250 Napa Henry Road, on old Henry Ranch. Quad: Napa. Comment
  JEPS76077  Koeleria macrantha W. L. Jepson 1938-5-18 18789 Napa behind St. Helena Sanitarium Howell Mountain; , behind St. Helena Sanitarium Comment
  UCD85730  Koeleria macrantha Beecher Crampton 1954-4-26 1788 Napa 4 miles east of Rutherford. Comment
  UCD85793  Koeleria macrantha Beecher Crampton 1965-5-13 7334 Napa Conn Reservoir, 4.5 miles east of Rutherford. Comment
  UCD159466  Lactuca saligna D. S. Park 2010-8-13 220 Napa Along Berryessa Knoxville Rd. disturbed. 219 Comment
  JEPS129021  Lagophylla minor Jake Ruygt 2016-5-7 6233 Napa Smittle Creek west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  SEINET6413450  Lagophylla minor R. Spellenberg 2014-5-20 14814 Napa 4.5 km W of Pope Valley Road/ Butts Canyon Road on Aetna Springs Road. 460 Comment
  UC1199151  Lagophylla minor Joseph P. Tracy 1933-6-2 12481 Napa on hills at head Moore's Creek (5 mi e of Angwin's); Howell Mountain Comment
  UCD47919  Lagophylla minor Michele Disney; J. Westbrook, S. Ratay, R. Wolfson, A. Houser,S. Wathen 2000-4-22 13 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  CAS-BOT-BC123304  Lagophylla minor David Daniels Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just S of Walters Spring. Comment
  HSC81600  Lagophylla minor Thomas W. Nelson, Jane P. Nelson 1980-5-3 5157 Napa Junction of Butts Canyon Rd. and Snell Valley Rd. 197 Comment
  RSA0010320  Lagophylla minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring. Comment
  UC913121  Lagophylla minor David D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek just s Walters Spring; ; bridge over Pope Creek, S of Walters Spring, Napa Co. Comment
  CAS-BOT-BC341556  Lagophylla ramosissima Rimo Bacigalupi 1928-6-20 1868 Napa Howell Mt. 10 miles west of St. Helena Comment
  JEPS129036  Lagophylla ramosissima Jake Ruygt 2016-5-28 6266 Napa Smitty Ranch, east side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCD133621  Lagophylla ramosissima K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  UC483305  Lamium amplexicaule Ira L. Wiggins 1932-3-12 5749 Napa 1 mi n Calistoga Comment
  RSA201210  Lamium purpureum Merrel Ackley 1959-4-4 s.n. Napa Garden weed near St. Helena Comment
  CAS-BOT-BC337893  Lasthenia John H. Thomas 1955-5-21 5130 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC338269  Lasthenia californica Alice Eastwood 1918-5-2 6880 Napa Calistoga Comment
  CAS-BOT-BC338274  Lasthenia californica Peter H. Raven 1957-5-5 10739 Napa Calistoga 91 Comment
  CHSC84558  Lasthenia californica John Dittes 2003-4-5 2003 -11 Napa Inner North Coast Range; Napa Valley; approximately 1.6 air-miles north by northwest of Calistoga City Hall, approximately 0.9 air-mile northwest of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Road and Tubbs Lane. 121 Comment
  JEPS106677  Lasthenia californica Jake Ruygt 1990-4-1 2455 Napa White Creek, Wild Horse Valley Ranch 371 Comment
  JEPS129073  Lasthenia californica Jake Ruygt 2016-4-2 6172 b Napa Smittle Creek, west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  HSC5150  Lasthenia californica Greg Bos 1963-3-30 52 Napa 5.5 mi. S of Middleton on Butte Canyon Rd. 320 Comment
  UCD48593  Lasthenia californica subsp. californica Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 1 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 237 Comment
  JEPS106674  Lasthenia conjugens Jake Ruygt 1979-4-19 526 Napa Suscol Hill east of HWY 29 (221) 28 Comment
  UCD147460  Lasthenia glaberrima Ellen Dean; Diana Hickson 2014-4-29 8073 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS122755  Lasthenia microglossa Jake Ruygt 2003-4-24 4505 Napa Blue Ridge about 2 miles north of Mays Flat. Quad: Knoxville. Comment
  RSA0018558  Lathyrus Keith E. Hoffmaster 1946-3-23 1086 Napa Napa range, along Napa-Monticello road Comment
  CDA4152  Lathyrus aphaca H. Stabo 1959-5-11 2373 Napa Kenneth Cairus property, St. Helena. 0 Comment
  UC496104  Lathyrus aphaca Mrs. Ernest Lloyd 1931-5-5 Napa Howell Mountain Comment
  UCD167170  Lathyrus aphaca Jake Ruygt 2015-4-24 6080 Napa Sutro Ranch, east side of Atlas Peak. 712 Comment
  JEPS126083  Lathyrus cicera Jake Ruygt 1994-4-26 3354 Napa Pope Valley north of Barnett Road. Aetna Springs 7.5' Qua. Comment
  JEPS107272  Lathyrus hirsutus Jake Ruygt 1994-6-4 3395 Napa Lewelling Ranch, Sulphur Springs Road; road to upper meadow 182 Comment
  UCD168534  Lathyrus hirsutus 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
  JEPS107268  Lathyrus jepsonii subsp. jepsonii Jake Ruygt 1998-5-23 3997 Napa Milton Road, Manley's Resort. 2 Comment
  JEPS107269  Lathyrus jepsonii subsp. jepsonii Jake Ruygt 1999-6-8 4181 Napa Fagan's Slough Comment
  UC1279970  Lathyrus tingitanus Peter H. Raven 1957-5-5 10756 Napa Calistoga Comment
  POM29623  Lathyrus vestitus subsp. vestitus Marcus E. Jones 1924-4-24 s.n. Napa Napa. 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
  SEINET7881742 Image available Layia chrysanthemoides H. S. Reed 1939-1 225 Napa Napa Valley Comment
  JEPS106617  Layia gaillardioides Jake Ruygt 1980-4-22 858 Napa .7 miles NW of Knoxville on Berryessa-Knoxville Rd. 457 Comment
  SBBG8517  Layia gaillardioides H. and M. Dearing 1939-4-28 3220 Napa near Fairfax Comment
  UCD170351  Layia septentrionalis Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 850 Napa Just north of Nevada Creek, west, east, and south of Knoxville Wildlife Area boundaries due to indentation in the southern boundary. 392 Comment
  CAS-BOT-BC534370  Lemna minor Peter H. Raven 1952-5-31 4105 Napa Slough of Napa Creek e. Yountville 30 Comment
  CAS-BOT-BC534949  Lemna minuta Peter H. Raven 1953-4-2 5291 Napa Tulucay Creek 243 Comment
  JEPS110793  Lepechinia calycina Jake Ruygt 1989-6-3 2362 Napa about 1 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  JEPS63268  Lepechinia calycina W. L. Jepson 1943-5-15 20776 Napa Knoxville Ridge Comment
  UC856367  Lepidium dictyotum var. acutidens Milo S. Baker 1936-4 7571 Napa Calistoga Geysers Comment
  JEPS106833  Lepidium latifolium Jake Ruygt 1994-6-17 3404 Napa Fagan Slough 1 Comment
  RSA696168  Lepidium nitidum Keith E. Hoffmaster 1946-3-23 1058 Napa Napa range, along Napa-Monticello road Comment
  CAS-BOT-BC12515  Lepidium nitidum Peter H. Raven 1953-3-29 5199 Napa Near geysers, Calistoga. 106 Comment
  JEPS106843  Lepidium nitidum var. nitidum Jake Ruygt 1979-3-5 439 Napa Trefethen Vineyards, Oak Knoll 32 Comment
  CAS-BOT-BC12790  Lepidium perfoliatum J. W. Stacey 1931-4-4 s.n. Napa Near Vallejo. Comment
  CAS-BOT-BC12869  Lepidium ruderale Peter H. Raven 1952-5-26 4031 Napa St. Helena. 76 Comment
  UCD118592  Leptosiphon androsaceus M. Sidells 1996-4-27 16 Napa next to path on north-facing hill at southwest side of Lake Berryessa, 150 m northeast of Knoxville Road. 250 Comment
  OBI6321  Leptosiphon androsaceus Lewis S. Rose 1961-3-30 Napa 1 mi. n. of Conn Reservoir, Lake Hennessy. 152 Comment
  RSA137141  Leptosiphon androsaceus Verne Grant 1960-4-9 10185 Napa Road to Lake Berryessa of Winters-Napa Road. 229 Comment
  JEPS129165  Leptosiphon bolanderi Jake Ruygt 2015-3-21 6048 a Napa Missimer - Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  UCD170446  Leptosiphon ciliatus Daniel Potter; Ninh Khuu 2017-5-14 918 Napa Knoxville Wildlife Area, west of and above Nevada Creek. 482 Comment
  POM254176  Leptosiphon ciliatus M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC226691  Leptosiphon jepsonii Elsa Ruckert 1960-5-28 164 Napa 6495 Dry Creek Road, above pond, 500 yards south-west of house 365 Comment
  CAS-BOT-BC226720  Leptosiphon latisectus Alice Eastwood 1918-5-1 6851 Napa Mt. St. Helena Comment
  CHSC10563  Leptosiphon parviflorus Lowell Ahart 1969-6-7 Napa Near Lake Berryessa. 243 Comment
  HSC17075  Leptosiphon parviflorus C. B. Wolf 1928-5-3 1792 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  HSC45348  Leptosiphon parviflorus R. York 1978-4-8 110 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UC2042989  Leptosiphon parviflorus Barbara Ertter with Jake Ruygt 1996-4-25 14597 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  UCD164764  Leptosiphon parviflorus Jake Ruygt 2014-4-22 5925 Napa Sutro Ranch, Atlas Peak. 663 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
  UCD49237  Leptosiphon parviflorus Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 25 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along Decker Ridge Rd., N of jct with South Decker Canyon Rd. 335 Comment
  JEPS106605  Lessingia hololeuca Jake Ruygt 1992-8-3 3115 Napa east of Spencer Creek near Solano County line 313 Comment
  UC1287463  Lessingia ramulosa Willard Spence 1962-7-20 719 Napa 2 mi nw Pope Valley (on the road to Aetna Springs) Comment
  RSA22231  Lessingia ramulosa G. Ledyard Stebbins 1936-9-19 2081 Napa About 5 miles northeast of Knoxville Comment
  UCD48078  Lewisia rediviva D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa, and K. Watts 2000-4-28 8 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., ca. top of hill, south of path. 548 Comment
  JEPS43232  Lewisia rediviva Pearl Lutzi May 1916 Napa High Rocks on the road to Oat Hill Mine; Calistoga Comment
  UC14914  Lilaea scilloides J. P. Tracy 1902-5-19 1548 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 518 Comment
  JEPS19610  Limnanthes douglasii W. L. Jepson 1924-4-6 10326 Napa Napa 15 Comment
  UC971836  Limnanthes douglasii subsp. douglasii Annetta Carter 1942-4-19 1667 Napa 3.3 mi s Napa Comment
  UC971871  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-3-27 1138 Napa about 5 mi s Monticello (along Monticello-Napa road) Comment
  CAS-BOT-BC361310  Limnanthes douglasii subsp. nivea Richard R. Halse 2013-3-27 8757 Napa Along the Chiles and Pope Valley Road ca 4.7 miles NW of its junction with the Lower Chiles Valley Road. 230 Comment
  JEPS112564  Limnanthes douglasii subsp. nivea Jake Ruygt 1996-3-23 3532 Napa .3 mile from Pope Canyon Road on Hardin Road, near airstrip. 184 Comment
  JEPS122739  Limnanthes douglasii subsp. nivea Jake Ruygt 2011-5-7 5779 Napa Mill Valley near Angwin; central portion. Quad: St. Helena. Comment
  OBI12592  Limnanthes douglasii subsp. nivea R. L. Hoover 1968-4-20 53 Napa On Howell Mtn Rd, on W side of rd at Angwin Comment
  UC17898  Limnanthes douglasii subsp. nivea Willis L. Jepson 1893-4-26 Napa Rutherford Napa River Basin Comment
  JEPS120412  Limnanthes vinculans Jake Ruygt 2010-5-24 5562 Napa South of Heitz Way, west side of Hwy 29. Comment
  JEPS110961  Linanthus acicularis Jake Ruygt 1992-5-3 2929 Napa Westwood Hills Park, Browns Valley Rd. Napa 121 Comment
  JEPS58378  Linanthus dichotomus W. L. Jepson 1924-4-6 10313 Napa Conn Valley Napa Range 91 Comment
  UCD118642  Linanthus dichotomus subsp. meridianus Carl A. Huether Jr. 1965-3-4 50 Napa 1/4 mile E of mail boxes on road to M and M Ranch, middle Snell Valley. Comment
  JEPS58118  Linanthus jepsonii E. V. Ferguson 1920-5-15 349 Napa Pope Valley Comment
  UC23780  Linanthus jepsonii Willis L. Jepson 1893-5-2 Napa Calistoga Napa River Basin Comment
  JEPS95210 Image available Linanthus jepsonii C. Goodwillie 1995-5-11 1 Napa 1.3 KM W of Hardin Rd.; Wantrup Wildlife Sanctuary 265 Comment
  CDA38720  Linanthus parviflorus D. G. Kelch 2010-5-6 10 .179 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS58113  Linanthus parviflorus W. L. Jepson 1904-6-3 2444 Napa Howell Mt. Napa Range 365 Comment
  UC146063  Linanthus parviflorus H. P. Chandler 1907-4-25 7538 Napa Chiles Valley road Comment
  JEPS85050  Linanthus parviflorus Larry Heckard and Mary Ashton 1969-5-3 2214 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd, above and w of the n meadow) 510 Comment
  UC1301143  Linanthus parviflorus Helen K. Sharsmith 1963-4-20 5332 Napa 4 mi s Napa (off of Kelly Road); San Francisco Bay Region 45 Comment
  UC402909  Linanthus parviflorus Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George Comment
  UC908955  Linanthus parviflorus Herbert L. Mason 1928-4-13 4332 Napa between Santa Rosa and Calistoga Comment
  UC52443  Linanthus pygmaeus J. P. Tracy 1902-5-16 1502 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UC1135273  Lithocarpus densiflorus R. W. Lundh 1933-7-14 256 Napa 0.5 mi ne McCormack Ranch; Napa Quad. 426 Comment
  UC521697  Lithocarpus densiflorus Joseph Andorfer Ewan 1933-9-17 8004 Napa Mt. St. Helena; near entrance to mine Comment
  UC924229  Lithophragma affine H. S. Reed 1939-4-16 226 Napa Napa Hills 198 Comment
  CAS-BOT-BC430625  Lithophragma affine L. R. Abrams 1928-5-3 12245 Napa Summit Mt. St. Helena Grade Comment
  CAS-BOT-BC430977  Lithophragma bolanderi Mrs. Clara Hunt 1921-4-21 s.n. Napa St. Helena Comment
  UC11891  Lithophragma bolanderi W. L. Jepson 1893-4-24 Napa hills e St. Helena Comment
  JEPS112567  Lithophragma heterophyllum Jake Ruygt 1996-4-9 3567 Napa Wantrop Wildlife Sanctuary 493 Comment
  UC11904  Lithophragma heterophyllum Willis L. Jepson 1893-5-1 Napa Knight's Valley road from Calistoga; Napa River Basin Comment
  UC570869  Lithophragma heterophyllum Herbert L. Mason 1926-3-14 2721 Napa Old Toll road sw side Mt. St. Helena; sw side of Mt. St. Helena Comment
  UCD19722  Lithophragma heterophyllum C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1210 Napa Junction of Glass Mountain Road and Silverado Trail Comment
  CAS-BOT-BC60179  Lobularia maritima Peter H. Raven 1951-5-6 2831 Napa Saint Helena. 91 Comment
  HSC43992  Logfia filaginoides Robert M. Specht 1977-4-19 695 Napa Above drainage running NE from Adams Creek. 518 Comment
  JEPS84596  Logfia filaginoides John W. Willoughby 1977-4-20 2141 Napa w side of range Vaca Mountains (latitude approximately that of Mount Vaca) 457 Comment
  CAS-BOT-BC271065  Lolium temulentum Peter H. Raven 1952-5-29 4086 Napa Napa River 1 mi. N Napa 60 Comment
  UC38796  Lolium temulentum Willis L. Jepson 1894-1 Napa Little Oak Comment
  SBBG5198  Lomatium californicum H. and M. Dearing -May-1939 3243 Napa Napa County [no specific locality] Comment
  SEINET2159284  Lomatium ciliolatum var. hooveri W. H. Whaley 2007-1 s.n. Napa Aetna Springs area. Comment
  UCD15988  Lomatium dasycarpum C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 5 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 11'' N; 122 deg. 21' 13'' W; 530 m. Comment
  UCD20784  Lomatium dasycarpum V. (Shorty) Boucher 2002-3-27 3 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Just north of the intersection of West and East roads, along upper Ridge road (just north of intersection of western Ashley easement road and Ridge Road). On the road through burned chaparral at the north tip of the peninsula. 320 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
  UCD164747  Lomatium macrocarpum Jake Ruygt 2014-6-9 5984 Napa Livermore Ranch, Bear Valley. 621 Comment
  HSC103468  Lomatium marginatum var. purpureum Thomas W. Nelson, Jane Nelson 1981-4-14 6373 Napa Along Devil's Head Rd., at crossing of Cedar Creek 549 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
  UCD63186  Lomatium marginatum var. purpureum Jake Ruygt 2005-3-28 4726 Napa About 2 miles north of Turtle Rock on Berryessa-Knoxville Rd. 152 Comment
  UC21241  Lomatium nudicaule Willis L. Jepson 1894-5-1 Napa Napa R. Basin, Conn Valley Comment
  CAS-BOT-BC217804  Lomatium repostum Lincoln Constance; J. F. Davidson; W. H. Wagner; R. H. Shan 1946-5-18 3048 Napa Southeast slope of Mount Saint Helena, near the old inn. Comment
  JEPS104552  Lomatium repostum Jake Ruygt 1989-5-13 2324 Napa Vaca Mtns. about 1 mile north of Mt.Vaca 798 Comment
  RSA42338  Lomatium repostum Lincoln Constance, Davidson, Wagner, Shan 1946-5-18 s.n. Napa Souteast slope of Mount St. Helena, near the old inn. Comment
  UCD160296  Lomatium repostum James A. Neilson Jr. 1975-5-17 3193 Napa Robert Louis Stevenson State Park, 2/3 of the way along road to summit of Mt. St. Helena. (Exact location unknown. Elevation and coordinates estimated by label maker.) 1165 Comment
  JEPS104473  Lomatium utriculatum Jake Ruygt 1994-3-26 3337 Napa .4 mile south of Wooden Valley Cross Rd on Suisun Valley Road 85 Comment
  UC566817  Lomatium utriculatum H. L. Mason 1926-3-22 2786 Napa from Calistoga to Petrified Forest Comment
  UCD18038  Lomatium utriculatum Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 589 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
  UCD81823  Lomatium utriculatum Ellen Dean 2009-4-24 5450 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UC2043152  Lomatium utriculatum Barbara Ertter with Jake Ruygt and John Game 1995-4-9 13979 Napa The Palisades Area of Mt. St. Helena NNE of Calistoga, E of Highway 29. Comment
  UCD161637  Lomatium utriculatum Jake Ruygt 2005-5-6 4817 Napa Newell Canyon open space, Napa / Solano County line. 271 Comment
  JEPS17559  Lomatium vaginatum W. L. Jepson 1893-5-2 14311 Napa Pope Valley grade from Calistoga; Napa Range Comment
  SBBG9303  Lonicera hispidula S. Wagener 1955-5-15 60 Napa lookout spot ca. 0.5 mi SW of Oakville, on Trinity Rd Comment
  JEPS12842  Lonicera hispidula var. vacillans Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Napa Range Comment
  JEPS85044  Lotus Larry Heckard and Mary Ashton 1969-5-3 2190 Napa ca 7 mi ne Napa (Mead Ranch, off Atlas Peak Rd) 457 Comment
  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
  RSA603509  Lotus humistratus M. Sidells 1996-4-13 9 Napa Southwest side of Lake Bereyessa, 150 m northeast of Knoxville Rd. 250 Comment
  JEPS65170  Lotus micranthus W. L. Jepson 1938-5-18 18793 Napa slope above St. Helena Sanitarium; Howell Mountain Comment
  SEINET7073050  Lotus purshianus A. G. Vestal 1963-4-7 s.n. Napa Low flat about 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD27. Comment
  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
  JEPS107203  Lotus strigosus Jake Ruygt 1991-4-20 2635 Napa Mead Ranch, Atlas Peak Rd. 548 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
  JEPS64926  Lupinus albifrons Willis L. Jepson 1896-2-22 35 t Napa New Eden Napa River Basin, Howell Mt. (Howell Mt.) Comment
  UC1217066  Lupinus albifrons Paul C. Hutchison 1963-3-3 2674 Napa along the road to Pope Valley 2 mi above St. Helena Sanitarium; rd to Pope Valley Comment
  UCD148812  Lupinus albifrons Ellen Dean; Diana Hickson 2014-4-29 8119 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  CAS-BOT-BC201549  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1939-4-8 2505 Napa Howell Mt. 1 mi. s.w. of Pac. Union College Comment
  CAS-BOT-BC201556  Lupinus albifrons var. albifrons Alice Eastwood 1918-5-1 6829 Napa Mt. St. Helena Comment
  RSA15682  Lupinus albifrons var. albifrons Carl B. Wolf 1928-2-25 1486 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UC201116  Lupinus albifrons var. albifrons Katharine Brandegee 1918-7-31 Napa Toll House Mt. St. Helena (Mt. St. Helena); , Toll House Comment
  HSC45366  Lupinus bicolor R. York 1978-4-8 109 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  JEPS64988  Lupinus bicolor Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  UC82070  Lupinus bicolor C. F. Baker 1903-4-19 1982 Napa Calistoga Comment
  UCD107265  Lupinus bicolor G. E. Johnston 1974-4-4 6119 Napa near Bell Canyon, near Angwin. 426 Comment
  UCD38820  Lupinus bicolor Beecher Crampton 1958-4-29 4758 Napa Capell Valley. 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
  UCD108125  Lupinus latifolius G. F. Hrusa 1992-4-15 10378 Napa Along Hwy. 128 app. 2 m. N of Knoxville-Berryessa Rd. Comment
  POM66217  Lupinus latifolius subsp. latifolius Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC142911  Lupinus latifolius var. latifolius Katharine Brandegee 1910-5-18 Napa near the Toll House Mt. St. Helena; , near the Toll House Comment
  JEPS65276  Lupinus latifolius var. latifolius Willis L. Jepson 1892-6-20 52 t Napa Vaca Mts. Comment
  UC15892  Lupinus latifolius var. latifolius W. L. Jepson June 1891 Napa Vaca Mts. Comment
  JEPS108046  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jct. Hwy. 29 in Rutherford, 3.6 mi W jct. Lower Chiles Valley Road. Comment
  OBI48331  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
  UC577241  Lupinus microcarpus var. densiflorus John Thomas Howell 1935-5-12 12625 Napa along Pope Creek near its confluence with Putah Creek; Pope Creek near its confluence with Putah Creek Comment
  JEPS65393  Lupinus nanus Willis L. Jepson 1893-4-24 29 t Napa hills e St. Helena to Conn Valley (Napa River Basin); , hills e of St. Helena to Conn Valley Comment
  UC150120  Lupinus nanus H. P. Chandler 1907-4-16 7516 Napa St. Helena Comment
  UC483321  Lupinus nanus Ira L. Wiggins 1932-3-12 5765 Napa between Franz Valley and Calistoga; between Franz Valley and Calistoga Comment
  UCD109074  Lupinus nanus G. F. Hrusa 1995-3-26 12026 Napa Univ. of Calif. - Quail Ridge Reserve. 290 Comment
  UCD149714  Lupinus nanus Stephen P. Rae; Ayzik Solomeshch 2007-3-19 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  JEPS85043  Lupinus nanus Larry Heckard, Mary Ashton 1969-5-3 2191 Napa 7 mi ne of Napa (Mead Ranch, off Atlas Peak Road); Mead Ranch 457 Comment
  UCD161618  Lupinus nanus Jake Ruygt 2004-4-17 4586 Napa Big Ranch Road about 1/4 mile south of El Centro Avenue, Napa. 16 Comment
  SEINET10969715  Lupinus nanus subsp. latifolius Baker 1903-4-19 Baker 1990 Napa Calistoga. Large tufts abundant in meadows. Comment
  SEINET11091434 Image available Lupinus nanus var. apricus Ilsa M. Schmelzinger 1971-5-1 15 Napa McDonald Ranch, 11.2 miiles north-west of junction of Highway 128 and Chiles Road Comment
  POM670069  Lupinus polycarpus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS65423  Lupinus polyphyllus Willis L. Jepson 1893-6-26 24 t Napa Howell Mt.; Napa River Basin, Howell Mt., Angwin's Meadows Comment
  CAS-BOT-BC202223  Lupinus sericatus Charles Piper Smith 1932-5-15 4658 Napa St. Helena Inn, highway 29 Comment
  POM125418  Lupinus sericatus Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena Comment
  SEINET12165201  Lupinus sericatus F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -304 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  UCD47984  Lupinus succulentus R. Brush; A. Atamian, C. Owens, S. Olmsted, M. Furuyama 2000-4-29 11 Napa The border of 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 burned area (burned Oct 1999). 640 Comment
  UCD109604  Lupinus succulentus Freed W. Hoffman 1947-4-7 662 Napa North Coast Ranges, confluence of Bucksnort and Putah creeks, Hennessy Ranch. Comment
  SEINET7072776  Luzula comosa A. G. Vestal 1963-5-12 s.n. Napa High point on Spring Mountain Road above Saint Helena. Coordinate datum: WGS84/NAD83. (38? deg. 31' 15" North Latitude, -122? deg. 32' 3" West Longitude, UTM Zone 10, 540614mE, 4263487mN. Coordinate datum: NAD 27.) 549 Comment
  UCD167050  Luzula comosa var. comosa Jake Ruygt 1990-4-28 2512 Napa Bear Valley. 615 Comment
  UCD167070  Luzula comosa var. comosa Jake Ruygt 2007-3-3 5122 Napa Las Posadas States Forest, in upper meadow north of fire station. 521 Comment
  RSA0011307  Lythrum hyssopifolia E. S. Spalding 1924-7-7 s.n. Napa Napa Valley near St. Helena. Comment
  UC33186  Madia anomala Willis L. Jepson 1894-5-1 Napa Hills e of St. Helena; Napa River Basin Comment
  CAS-BOT-BC343826  Madia elegans Peter H. Raven 1951-6-10 s.n. Napa Rt. #29 north of Calistoga 152 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-BC344447  Madia exigua David D. Keck 1933-5-29 2357 Napa Pope Creek bridge south of Walters Springs Comment
  CDA10889  Madia exigua G. F. Hrusa, M. Rejmanek 1993-5-15 10984 Napa UC Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CAS-BOT-BC343206  Madia gracilis Betty H. Johnson 1958-6-8 601 Napa Near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  JEPS106551  Madia gracilis Jake Ruygt 1983-6-1 1485 Napa HWY 12 at Sonoma Co.line 94 Comment
  UCD161280  Madia gracilis Jake Ruygt 2000-5-10 4245 -b Napa north Pope Valley, 0.4 miles from Pope Creek. (Coordinates estimated by label maker at UC Davis). 207 Comment
  UCD48577  Madia gracilis Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 237 Comment
  UCD63149  Madia gracilis Jake Ruygt 2003-4-14 4498 Napa Lower hills of Blue Ridge east of Zim-Zim Creek. 365 Comment
  CAS-BOT-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
  JEPS40220  Madia gracilis W. L. Jepson 1894-7-19 Napa Calistoga Man. Bay. Reg. Comment
  SEINET10672315 Image available Madia hallii Charles F. Baker 1903-5-8 Baker 3079 Napa Knoxville, Napa county, California. Colonies frequent along rocky ridges. Comment
  RSA104111  Madia nutans Jens Clausen 1935-5-23 1072 Napa Howell Mountain, near sumit, 6.5 miles NE of St. Helena Comment
  CAS-BOT-BC345052  Madia sativa David D. Keck 1933-11-10 2717 Napa Calistoga Comment
  UCD37682  Malacothrix Beecher Crampton 1961-6-12 5899 Napa northern end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  JEPS106900  Malacothrix clevelandii Jake Ruygt 1982-5-15 1260 Napa Stag's Leap on Soda Canyon side. Yountville 7.5' Quad. 426 Comment
  UC33286  Malacothrix floccifera Edw. L. Greene July, 1891 Napa St. Helena Comment
  UCD134379  Malacothrix floccifera M. Ensign 1943-5-28 327 Napa 26 miles from Monticellow on road to Lower Lake. Comment
  UCD95678  Malva nicaeensis Ellen Dean; with Clare Loughran 2011-5-20 7023 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  JEPS122723  Malvella leprosa Jake Ruygt 1992-9-5 3147 Napa Highway 29 at intersection with Highway 12. Quad: Cuttings Wharf. Comment
  UCD13126  Medicago arabica Kathleen Worden 1981-4-28 3 Napa Napa CO. on highway 128, 2.4 miles southeast of Moskowitz Corner; shaded creekside. Comment
  UC187220  Melica californica J. P. Tracy 1902-5-21 1579 Napa 3-4 mi e Angwin's (Head of Moore's Creek); Howell Mountain, Head of Moore's Creek 457 Comment
  UCD148797  Melica californica Ellen Dean; Diana Hickson 2014-4-29 8104 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD159944  Melica californica Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD87008  Melica californica K. Esau 1938-5-1 s.n. Napa Napa County. Napa Valley. Comment
  UCR212329  Melica californica Ayzik Solomeshch, Stephen Rae 2007-3-19 s.n. Napa North Coast Range, Northwest of the town of Yountville, along Oakville Grade Road, c. 6 miles west of the intersection with Hwy 29 [onto Dry Creek Road?] Comment
  SEINET10860811  Melica californica William S. Boyle 1942-4-25 Boyle 1071 Napa 10 miles north of Napa on Silvarado Trail Road. Common on rocky, exposed, southwest-facing slope. Associated species: Bromus mollis, Rhus diversiloba. Comment
  CAS-BOT-BC282164  Melica geyeri W. S. Boyle 1942-4-25 1072 Napa Along the Silverado Trail Rd 7 miles S of Calistoga Comment
  CAS-BOT-BC282168  Melica geyeri Peter H. Raven 1952-8-26 5154 Napa Lokoya 487 Comment
  POM263002  Melica geyeri J. C. Roos 1939-5-12 317 Napa Angwin, Howell Mtn., Napa Range. Comment
  UC1112206  Melica geyeri Peter H. Raven 1957-5-5 10757 Napa hills at w edge Calistoga Comment
  JEPS129103  Melica torreyana Jake Ruygt 2016-5-3 6227 Napa Ridge S of Oil Well Road; E side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  POM182793  Melica torreyana D. D. Keck 1931-4-2 1034 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  UC38874  Melica torreyana Willis L. Jepson 1894-5-1 Napa opposite mouth of Conn Valley (Red Ridge); Napa River Basin, Red Ridge Comment
  UC53664  Melica torreyana W. L. Jepson 1896-6-2 Napa Conn Ridge Comment
  UCD21500  Melica torreyana Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4402 Napa Quail Ridge Reserve. 268 Comment
  UCD88834  Melica torreyana Beecher Crampton 1956-5-25 3472 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  JEPS112580  Melissa officinalis Jake Ruygt 1979-7-12 749 Napa 1.4 miles SW of HWY 128 on Monticello Rd 243 Comment
  JEPS112573  Mentha spicata var. spicata Jake Ruygt 1979-7-12 748 Napa 1.4 miles SW of HWY 128 on Monticello Rd 249 Comment
  JEPS42847  Mentzelia laevicaulis var. laevicaulis W. L. Jepson 1930-10-19 15685 Napa Napa Valley Comment
  CAS-BOT-BC428854  Micranthes californica C. B. Wolf 1928-2-25 1496 Napa Mt. St. Helena Grade 2 miles below Hawkins Mountain Camp Comment
  UCD102804  Micranthes californica H. H. Dickinson 1950-4-1 16 Napa Putah Canyon, near Monticello. Comment
  UCD102808  Micranthes californica D. H. Hartmann 1942-3-7 s.n. Napa in a canyon of Green Valley. 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
  UCD18173  Micropus californicus 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
  CAS-BOT-BC348542  Micropus californicus var. californicus John H. Thomas 1955-5-21 5166 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  SEINET205166  Micropus californicus var. californicus J. M. Tucker 1965-5-15 3829 Napa Along headwaters of Zim Zim Creek ca .5 mi W of Devilhead Rd ca 3 mi SSW of Knoxville Comment
  UCD134489  Micropus californicus var. californicus David Lawfer 1952-4-20 149 Napa Napa. Comment
  UCD134509  Micropus californicus var. californicus J. M. Tucker 1965-5-15 3829 Napa Zim Zim Creek, around 1/2 mile west of Devilhead Road, and around 3 miles south - southwest of Knoxville. Comment
  UC1301043  Micropus californicus var. californicus Helen K. Sharsmith 1963-4-20 5347 Napa on Monticello Road San Francisco Bay Region, southwest slope of Napa Range 152 Comment
  UC50011  Microseris acuminata Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  JEPS36151  Microseris douglasii subsp. douglasii W. L. Jepson 1893-5 Napa Howell Mt. Comment
  CAS-BOT-BC349184  Microseris elegans David D. Keck 1931-4-4 1093 Napa Geysers just NW. of Calistoga, northwestern Napa County Comment
  UCD63151  Microseris sylvatica Jake Ruygt 1998-4-27 3936 Napa 1/2 mile south of Knoxville Rd, east of Berryessa-Knox. Rd. 426 Comment
  JEPS110614  Mimulus arvensis Jake Ruygt 2000-5-6 4235 Napa Lawley Toll Rd near old log barn. 384 Comment
  JEPS11341  Mimulus arvensis Willis L. Jepson 1893-4-26 12 m Napa Yountville Napa River Basin Comment
  UCD121190  Mimulus aurantiacus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7363 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and Recreation Flat. 526 Comment
  UCD159948  Mimulus aurantiacus Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD49285  Mimulus aurantiacus A. Collier; D. Caterson and S. Kenady 2002-5-4 10 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off N side of road 10 m. 350 Comment
  UCD49287  Mimulus aurantiacus Kook Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 12 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; along West Road, N of jct with Decker Canyon Rd.; along roadside. 219 Comment
  OBI9505  Mimulus aurantiacus var. aurantiacus R. L. Hoover 1968-4-20 49 Napa Collected on Howell Mtn rd, 2.6 mi NE of State Rtes 29/128, on W side of road Comment
  RSA298679  Mimulus aurantiacus var. aurantiacus D. C. Michener, Walter Wisura, D. Charlton, John Dourley 1982-7-25 4117 Napa [Unspecified] Comment
  JEPS110608  Mimulus congdonii Jake Ruygt 1982-3-20 1135 Napa Mt. St. John 548 Comment
  UCD18028  Mimulus douglasii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 568 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
  POM260891  Mimulus douglasii J. T. Howell 1940-5-19 15454 Napa Upper St. Helena Creek. Comment
  JEPS11030  Mimulus guttatus W. L. Jepson 1897-5-2 30 m Napa sw Calistoga (Rebecca Ranch grade); Upper Napa Valley Comment
  RSA195311  Mimulus guttatus Gilbert Muth 1967-4-29 658 Napa Near Sanitarium on Deer Park Road. Comment
  SEINET12811554  Mimulus guttatus Christopher T. Ivey 2003-1 363 Napa Population occurred along stream margin in the Snell Valley Nature Preserve, 2.2 mi E of Pope Valley Road on Snell Valley Road. 192 Comment
  JEPS110578  Mimulus kelloggii Jake Ruygt 1998-5-20 3989 Napa Blue Ridge, +/-1.5 mi north of Mays Flat 670 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
  UCD20376  Mimulus kelloggii K. Esau 1933-4-14 s. n. Napa Napa County, Calistoga, near petrified forest. Comment
  UCD21582  Mimulus kelloggii K. Esau 1933-4-14 s.n. Napa Calistoga, near Petrified Forest. Comment
  CDA41702  Mimulus layneae S. E. Schoenig 1998-6-3 98 -21 Napa Research Hill, 0.1 mile southwest of Devilhead Road, 0.5 mile southwest of Knoxville-Berryessa Road, 1 mile northwest of Homestake Mine. Comment
  JEPS110609  Mimulus layneae Jake Ruygt 1980-6-17 921 Napa 23.4 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 640 Comment
  JEPS8205  Mimulus layneae W. L. Jepson 1893-6-26 35 m Napa Howell Mountain Comment
  RSA670138  Mimulus layneae S. E. Schoenig 1998-6-3 98 -21 Napa Research Hill, 0.1 mi SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd, 1 mi NW of Homsestake mine. 655 Comment
Read comments
Nov 11 2011
  JEPS110581  Mimulus microphyllus Jake Ruygt 1979-4-21 538 Napa Milliken Canyon 121 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
  UC614484  Mimulus microphyllus L. Constance 1938-3-27 2040 Napa above Wooden Valley (8 mi ne of Napa, e slope of mountains); Coast Ranges, Howell Mountains 457 Comment
  UCD122792  Mimulus nudatus J. M. Tucker 1965-5-15 3826 Napa Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  CDA41826  Mimulus pulsiferae S. E. Schoenig 1998-6-5 98 -24 Napa 20 meters east of Ink Grade Road, 0.5 mile northwest of intersection with Howell Mountain Road. Comment
  JEPS128903  Mimulus pulsiferae Jake Ruygt 1991-5-1 2665 Napa Intersection Aetna Extension Road with Oat Hill Mine Road. Detert Reservoir 7.5' Quad. Comment
  UC1103332  Mimulus pulsiferae Joseph P. Tracy 1933-4-30 12105 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UC147883  Mimulus pulsiferae J. P. Tracy 1902-5-21 1608 Napa 3-4 mi e Angwin's (head of Moore's Creek, dry stream bed); Howell Mountain, La Jota Plateau 518 Comment
  JEPS110593  Mimulus rattanii Jake Ruygt 1992-4-29 2909 Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  CAS-BOT-BC388756  Minuartia douglasii Alice Eastwood 1918-5-1 6834 Napa Mt. St. Helena Comment
  UCD118629  Minuartia douglasii Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and just north of Recreation Flat, on south facing slope. 389 Comment
  UCD41323  Minuartia douglasii Ellen Dean; T. and M. Starbuck 2004-4-3 2002 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. W of turn off to old town of Knoxville, N side of road, about 0.5 airline miles WSW of site of old town of Knoxville. 437 Comment
  JEPS115681  Mollugo verticillata Lowell Ahart 2009-10-27 16499 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  CHSC74679  Monardella douglasii Jane Valerius 1998-6-22 Napa Ca 4 air mi NE of Vallejo and ca 1.5 mi W of Hwy 80, along banks and at top of unnnamed S-trending tributary to American Canyon Creek. 76 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
  JEPS110816  Monardella villosa subsp. villosa Jake Ruygt 1980-6-29 947 Napa Steele Canyon 201 Comment
  JEPS110829  Monardella villosa subsp. villosa Jake Ruygt 1979-6-9 680 Napa 11.7 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 234 Comment
  UC25539  Monardella villosa subsp. villosa Edw. L. Greene July 1891 Napa Comment
  UCD73421  Monardella viridis Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC220696  Monardella viridis Willie Fottrell 1906-7-1 s.n. Napa Napa redwoods Comment
  JEPS110825  Monardella viridis subsp. viridis Jake Ruygt 1982-7-18 1368 Napa Cedar Roughs near Guilliam Springs 298 Comment
  JEPS110828  Monardella viridis subsp. viridis Jake Ruygt 1979-7-3 733 Napa north of Mt. George on Wild Horse Ranch north access road 408 Comment
  JEPS112612  Montia parviflora Jake Ruygt 1991-5-11 2653 b Napa Howell Mountain Road, S of Ink Grade 551 Comment
  UCD86407  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa Napa County, north end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  JEPS110883  Myosurus minimus Jake Ruygt 1982-3-26 1147 Napa Suscol plain east of Kaiser (Rocktram) 3 Comment
  CDA19129  Myriophyllum spicatum T. Allen 2001-7-12 PDR 1103267 Napa In Lake Berryessa, close to 4290 Knoxville Rd., Napa. 0 Comment
  POM182795  Nassella lepida D. D. Keck 1931-4-2 1017 Napa Wooden Valley Grade, West side of Napa Range, 5 mi NE of Napa 170 Comment
  SEINET201032  Nassella lepida Joseph P. Tracy 1933-6-2 12466 Napa Howell Mountain Road 5 mi east of St. Helena 305 Comment
  UCD81833  Nassella lepida Ellen Dean 2009-4-24 5463 Napa Property at 600 Petrified Forest Road. 170 Comment
  SEINET11695741  Nassella lepida Unknown 1956-5-25 3481 Napa Howell Mountains, above SW corner of Wooden Valley Comment
  CAS-BOT-BC260176  Nassella pulchra Peter H. Raven 1950-4-15 1727 Napa Monticello Road, Napa Valley, near Napa 243 Comment
  JEPS85048  Nassella pulchra Larry Heckard and Mary Ashton 1969-5-3 2219 Napa 7 mi ne Napa (off the Atlas Peak Rd.; Mead Ranch; above and w of the north meadow); Mead Ranche 510 Comment
  JEPS70270  Navarretia cotulifolia Joseph Andorfer Ewan 1934-4-30 8857 Napa e end Pope Valley Comment
  POM180787  Navarretia divaricata subsp. vividior J. T. Howell 1930-7-13 5347 Napa On the edge of the Crater Country Comment
  JEPS120319  Navarretia intertexta Jake Ruygt 2002-5-18 4419 Napa Missimer/Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  JEPS120320  Navarretia intertexta subsp. intertexta Jake Ruygt 2006-6-11 5049 Napa Southwest part of Walnut Flat, near Wildlake. Saint Helena 7.5' Quad. Comment
  JEPS112521  Navarretia jepsonii Jake Ruygt 2002-5-8 4417 Napa Missimer/Snell Valley Wildflower Preserve 179 Comment
  UCD48439  Navarretia jepsonii Robert E. Preston 1988-4-10 583 Napa Napa Co.; W-facing serpentine slope and serpentine flat, ca. 2100 ft ESE of the confluence of Putah and Hunting Creeks; (Jercicho Valley 7.5' quad). 274 Comment
  UC52368  Navarretia leucocephala subsp. bakeri J. P. Tracy 1903-5-16 1853 Napa near Calistoga; San Francisco Bay Region 91 Comment
  JEPS112556  Navarretia mellita Jake Ruygt 1985-6-15 1611 Napa SW of Rancho Monticello on ridgeline 365 Comment
  CAS-BOT-BC232673  Navarretia pubescens John H. Thomas 1955-5-21 180 J Napa Near State Highway No 128 and Cappell Creek, about 12 miles E of St Helena 274 Comment
  JEPS112540  Navarretia pubescens Jake Ruygt 1998-6-29 4067 Napa About 4.7 miles north of first bridge on Berryessa-Knox. Rd 441 Comment
  UC23795  Navarretia pubescens Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  UCD19338  Navarretia pubescens M. A. Bibbo; E. Dean 2001-7-6 31 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, just north of powerline, ca. 0.6 air miles from jct of W and E roads, on top of ridge. 251 Comment
  JEPS123176  Navarretia subuligera David Gowen with Leigh Johnson 2009-5-30 1037 Napa Robert Louis Stevenson State Park, south of Table Rock area. Comment
  JEPS70480  Navarretia tagetina Willis L. Jepson 1893-6-26 15027 Napa Howell Mt. Napa River Basin Comment
  UC143006  Navarretia tagetina Katharine Brandegee 1910-5 Napa above Calistoga; Toll House Grade Comment
  HSC89995  Navarretia viscidula W. L. Jepson 1942-8-4 20731 Napa Adam-and-Eve Ridge, Howell Mtn. Comment
  UCD48715  Navarretia viscidula Herbert L. Mason 1935-5-30 8321 Napa Fields just south of the Napa State Hospital, Napa County, California. Comment
  SEINET10464787  Nemacladus capillaris R. Alava 1957-5-30 Alava 1007 Napa Along road, about 0.5 mile toward Monticello from junction of the road to Monticello and State Highwat 128 Comment
  JEPS106578  Nemacladus montanus Jake Ruygt 1989-4-22 2286 Napa NE corner of HWY 128 and Berryessa-Knoxville Rd.,Capell Cyn. 207 Comment
  JEPS106579  Nemacladus montanus Jake Ruygt 1998-5-25 3999 Napa Capell Canyon 188 Comment
  SEINET10873473  Nemacladus montanus Willis L. Jepson 1920-5-25 Jepson 9037 Napa Knoxville Ridge, northeast Napa County Comment
  UCD75834  Nemacladus montanus Jake Ruygt 2005-6-4 4902 Napa Hunting Creek, NE of Putah Creek. 243 Comment
  UCD166681  Nemophila heterophylla Jake Ruygt 2005-3-28 4735 Napa near Knoxville Wildlife Area. 341 Comment
  UCD49095  Nemophila heterophylla L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 6 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. Between stream and South Decker Canyon Rd., where stream comes within 6 ft. of the road. 152 Comment
  CDA40365  Nemophila heterophylla T. C. Fuller 1958-5-1 3715 Napa Highway 53, 8 miles north of Calistoga. 0 Comment
  POM203711  Nemophila heterophylla J. T. Howell 1931-4-2 6063 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  POM65290  Nemophila heterophylla C. F. Baker 1903-4-20 2610 Napa Mt. St. Helena. Comment
  UC880874  Nemophila heterophylla Lewis S. Rose 1939-4-16 39087 Napa 10 mi ne Napa (Wooden Valley); ne of Napa, Wooden Valley Comment
  UCR267439  Nemophila menziesii Stephen P. Rae, Ayzik Solomeshch 2006-4-25 s.n. Napa Howell Mountain Plateau, c. 1 km west of Anguin; McCrane property 526 Comment
  UC146215  Nemophila menziesii Joseph P. Tracy 1903-5-16 1839 Napa near Calistoga (Napa Valley); Northern Coast Ranges, , near Calistoga 91 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
  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
  JEPS110843  Nemophila menziesii var. menziesii Jake Ruygt 1997-3-18 3912 Napa Conn Valley Road, 4 mi E from Silverado Trail 103 Comment
  POM320432  Nemophila menziesii var. menziesii Carole Mathews 1972-3-28 20 Napa North shore of Lake Berryessa, about 5 miles above Monticello Dam. South Coast Range, Lake Berryessa drainage area. 274 Comment
  JEPS110870  Nemophila pedunculata Jake Ruygt 1992-3-28 2868 Napa Snell Valley just west of Stagecoach Canyon Rd. 188 Comment
  UCD166672  Nepeta cataria Jake Ruygt 1992-8-3 3114 Napa Green Valley Ranch, end of Green Valley Road. 295 Comment
  JEPS13901  Nicotiana acuminata var. multiflora Willis L. Jepson 1894-11-5 21245 Napa above St. Helena (Napa River bed); Napa River Comment
  SD58461  Nicotiana acuminata var. multiflora Helen-Mar Wheeler 1942-11-2 503 Napa South end of Conn Creek Road at the bridge over Conn Creek, Conn Valley Comment
  UCD38861  Nicotiana quadrivalvis Beecher Crampton 1962-10-9 6700 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. 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
  UC15042  Odontostomum hartwegii J. P. Tracy 1902-5-14 1443 Napa Howell Mt. grade near St. Helena (head of Moore's Creek, 3 - 4 mi. e. of Angwin's); Howell Mt., Moore's Creek 182 Comment
  JEPS62079  Odontostomum hartwegii Willis L. Jepson 1894-5-1 Napa near St. Helena (rd. to Upper Conn Valley); Napa R. Valley 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
  UCD168001  Orobanche James A. Neilson Jr. 1977-4-13 3868 Napa Oat Hill Mine Rd. (Exact location unknown, coordinates estimated by label maker.The collections before this were north of Sugarloaf Mt., and collections after this were near Maple Springs) Comment
  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
  CDA42041  Orobanche fasciculata D. Irving Grover 1965-6-1 s.n. Napa Howell Mountain area. 0 Comment
  JEPS47330  Orobanche fasciculata L. R. Heckard and Rimo Bacigalupi 1965-5-15 1458 Napa Along Zim Zim Creek, about 2 1/2 air miles south of Knoxville. Comment
  SEINET8853707 Image available Orobanche fasciculata Bill Wardell 1961-1 27 Napa State Highway 37, 20 miles southwest of Monticello Dam Comment
  UCD167256  Orobanche fasciculata Jake Ruygt 1992-5-12 2955 Napa Tuteur Ranch, NE of reservoir on Spencer Creek. 249 Comment
  RSA0059237  Orobanche uniflora subsp. occidentalis John C. Roos 1939-5-6 293 Napa Napa range above Calistoga. Comment
  JEPS80612  Orobanche valida subsp. howellii Glenn Clifton 1981-1-1 7863 Napa Devilhead Creek Knoxville Quad., Devilhead Creek 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
  RSA293054  Orthocarpus faucibarbatus Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 728 Napa 6 miles north of S. Helena on the State Hwy 128. Comment
  SEINET12329998  Orthocarpus lithospermoides F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -324 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  POM83502  Orthocarpus lithospermoides var. bicolor W. L. Jepson 1920-5-25 9042 Napa Knoxville Ridge, NE Napa Co. Comment
  JEPS15925  Osmorhiza berteroi W. L. Jepson 1893-4-25 14256 Napa hills w St. Helena; Napa Valley Comment
  CDA11434  Osmorhiza chilensis G. F. Hrusa, M. Tu 1995-5-6 12157 Napa North Coast Biodiversity Arena; Along Moores Creek, Las Posadas State Forest. Comment
  UCD149713  Oxalis micrantha Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  CAS-BOT-BC316826  Packera clevelandii John Thomas Howell 1930-10-19 5620 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown. Comment
  OBI15512  Packera clevelandii Robert F. Hoover 1966-8-23 9937 Napa Butts Cyn, near Lake co. line Comment
  UCD134745  Packera clevelandii Robert E. Preston 1987-6-18 565 Napa 1.4 mile northeast of Big Basin. 414 Comment
  JEPS81214  Packera eurycephala var. eurycephala Douglas W. James Jr. 1973-5-5 97 Napa near, not far from road that runs through the ranch MacDonald Ranch property line; Las Posadas State Forest, Pope Valley 411 Comment
  UC723787  Packera eurycephala var. eurycephala Joseph Andorfer Ewan 1934-4-30 8826 Napa near Samuel Springs (above Monticello, on Pope Valley grade); Pope Valley Comment
  JEPS89345  Packera greenei Dean Wm. Taylor with Glenn L. Clifton 1990-5-25 10806 Napa Butts Canyon Rd. near junction w/ Snell Rd.; North Coast Ranges 204 Comment
  SEINET11807295  Packera greenei F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -330 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS122965  Panicum acuminatum var. acuminatum Jake Ruygt 1986-5-5 1748 Napa NW slope of Mt. George. Quad: Mt. George. Comment
  UCD89499  Panicum capillare Beecher Crampton 1963-9-19 6897 Napa n. end of Capell Valley, above Capell Creek, State Hwy. 128. Comment
  UCD89789  Panicum capillare subsp. hillmanii Beecher Crampton 1974-9-19 9089 Napa south of Yountville. Comment
  JEPS106391  Parvisedum pumilum Jake Ruygt 1977-5-1 201 Napa east end of Westgate Drive, Silverado Country Club 121 Comment
  UC1300832  Parvisedum pumilum Helen K. Sharsmith 1963-4-20 5342 Napa San Francisco Bay Region, southern slopes of Mount Atlas Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  UC205215  Parvisedum pumilum H. P. Chandler 1907-5-5 7557 Napa roadside near Yountville Comment
  UCD88729  Paspalum dilatatum Beecher Crampton 1962-10-9 6699 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  CDA10891  Pectocarya pusilla G. F. Hrusa, M. Rejmanek 1993-5-15 10986 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS68220  Pectocarya pusilla Willis L. Jepson 1893-3-13 21091 Napa Hills near St. Helena Napa River Basin Comment
  UC480620  Pedicularis densiflora Mrs. Linsdale 1929-4-13 Napa Calistoga Comment
  UCD149364  Pedicularis densiflora Collector Unknown 1940-4-7 s.n. Napa City of St. Helena. 80 Comment
  UCD19956  Pedicularis densiflora E. A. Dean; Virginia Boucher 2002-2-28 900 Napa Quail Ridge Reserve. Along East Rd., 1.4 airline miles N of Hwy 128. 365 Comment
  CAS-BOT-BC488326  Pedicularis densiflora Alice Eastwood 1922-3-25 11097 Napa Calistoga Comment
  SD234194  Pedicularis densiflora Virginia Pinkus Ryder 1964-5-15 101 Napa Route 37 east of Napa. Rocky sandstone cliff. 410 Comment
  UC27314  Pedicularis densiflora Willis L. Jepson 1893-4-25 Napa trail to Leaux's Cabin; Napa River Basin Comment
  UCD73415  Pellaea andromedifolia 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
  JEPS103983  Pellaea mucronata Jake Ruygt 1979-2-22 432 Napa west face of Mt. George 121 Comment
  POM23402  Pellaea mucronata Edward L. Greene 1903-4-20 2613 Napa Mount Saint Helena Comment
  RSA602575  Pellaea mucronata L. C. Wheeler 1952-8-30 6882 Napa Manganese Ridge. Moore Creek, Howell Mountain 366 Comment
  UCD160780  Pellaea mucronata Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8660 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  UCD149673  Pellaea mucronata var. mucronata Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  UCR219835  Pellaea mucronata var. mucronata Ayzik Solomeshch 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  SEINET13260501  Pellaea ornithopus Unknown 1934-1 8671 Napa Sarco Creek, 5 mi above Napa Comment
  RSA92803  Penstemon heterophyllus subsp. heterophyllus Peter H. Raven 1951-6-26 3059 Napa Wooden Valley Grade. 305 Comment
  LA209709  Penstemon newberryi var. sonomensis Joseph Andorfer Ewan; 1937-5-23 10334 Napa Mount Saint Helena, Summit trail Comment
  SEINET11198823  Penstemon venustus J. A. Ewan 1934-6-30 8846 Napa 5 mi S of Monticello on Steel Canyon rd. Comment
  UC165062  Pentachaeta exilis J. P. Tracy 1902-5-15 1449 Napa 3-4 mi e Angwin's (head of Morre's Creek); Howell Mountain 426 Comment
  UC35614  Pentachaeta exilis Willis L. Jepson 1893-5-8 Napa Howell Mt. Napa River Basin Comment
  JEPS60091  Pentagramma triangularis subsp. triangularis W. L. Jepson 1943-5-15 20777 Napa Knoxville Ridge Comment
  JEPS60097  Pentagramma triangularis subsp. triangularis W. L. Jepson 1936-5-29 17552 Napa Adam and Eve Ridge Howell Mt Comment
  CAS-BOT-BC71675  Pentagramma triangularis subsp. triangularis Jean Fottrell 1906-7-1 s.n. Napa unspecified Comment
  UCD161739  Perideridia kelloggii Jake Ruygt 1992-7-22 3107 Napa south end of Wooden Valley, Wild Horse Valley Ranch. 179 Comment
  JEPS12398  Perideridia oregana W. L. Jepson 1894-10-13 14808 Napa Upper Conn Valley Napa Range Comment
  UCD99331  Persicaria orientalis Irving Grover 1955-8-1 s.n. Napa location unknown. Comment
  CAS-BOT-BC419301  Persicaria punctata Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  UCD21495  Petrorhagia dubia Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4397 Napa Quail Ridge Reserve. 246 Comment
  UCD47958  Petrorhagia dubia Ryan Knox; E. McDermott and G. Walden 2002-4-13 9 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on north side of road near calcium seep area. 453 Comment
  UCD48848  Petrorhagia dubia M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 18 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 274 Comment
  SEINET7883385 Image available Petunia parviflora Laura Zeller 1965-1 27 Napa ca. 2.5 miles NE of Pope Valley Road and Pope Canyon Road junction on Pope Valley Road 213 Comment
  UCD120303  Phacelia californica John Thomas Howell 1929-6-9 4309 Napa 4 miles from Calistoga on road to Petrified Forest. Comment
  CAS-BOT-BC134011  Phacelia distans John H. Thomas 1955-5-21 5113 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS129067  Phacelia distans Jake Ruygt 2016-4-2 6170 Napa Smittle Creek NCRPOD, W of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UC914301  Phacelia distans Verne Grant and Alva Grant 1947-4-19 7939 a Napa on Monticello rd 8 mi from Vichy Springs (e slope of mts.); Mayacama Mts. Comment
  UC24344  Phacelia distans Willis L. Jepson 1893-4-28 Napa near Napa City; Napa River Basin Comment
  UCD166687  Phacelia distans Jake Ruygt 1979-4-1 470 Napa Napa, top of Cup and Saucer. 134 Comment
  UC1228238  Phacelia egena J. R. Sweeney, H. L. Mason, R. Bacigalupi 1953-6-8 Napa top of grade of rd over e flank of mt Mt. St. Helena (from Calistoga to Middletown) 670 Comment
  JEPS2146  Phacelia imbricata W. L. Jepson 1936-6-1 17599 Napa near sanitarium (lower slopes of mt.); Napa Range, Howell Mtn. Comment
  SBBG41206  Phacelia imbricata J. T. Howell 1931-4-3 Napa Pope Crk Cyn, 8 mi from Monticello Comment
  UC1051782  Phacelia imbricata L. Constance and L. R. Heckard 1951-4-15 3371 Napa Silverado Trail 1 mi e St. Helena Comment
  POM65432  Phacelia imbricata subsp. imbricata C. F. Baker 1903-4-20 2604 Napa Mt. St. Helena. Comment
  UCSC000588  Phacelia imbricata subsp. imbricata Charisse Bickford 1979-5-14 s.n. Napa about 5 miles west of Winters Winters - Putah Canyon 579 Comment
  CAS-BOT-BC265792  Phalaris aquatica Peter H. Raven 1951-6-24 3025 Napa Brown's Valley to Napa-Sonoma Road 91 Comment
  RSA128561  Phalaris aquatica P. H. Raven 1951-6-24 3034 Napa Napa; 30 Comment
  SACT001715  Phalaris minor M. Wiesendanger 1927-5-4 Napa Comment
  UCD89612  Phleum pratense Beecher Crampton 1953-7-14 1513 Napa N.E. slope of Mt. St. Helena, 5 miles south of Middletown. Comment
  POM280308  Phoradendron bolleanum subsp. densum Lyman D. Benson 1935-2-25 6245 Napa N Base Mt St Helena. Mayacamas mtn range, Putah Creek watershed. Napa-Lake Cos. 549 Comment
Read comments
Jan 25 2016
  RSA654885  Phoradendron densum G. Fred Hrusa 1993-10-3 11427 Napa 2 miles SW along Knoxville-Devilhead Road from Knoxville-Berryessa Road. 518 Comment
  CAS-BOT-BC171139  Phoradendron serotinum subsp. tomentosum J. J. Walters 1932-3-6 s.n. Napa St. Helena Comment
  CAS-BOT-BC171141  Phoradendron serotinum subsp. tomentosum John Thomas Howell 1926-10-3 2202 Napa Mt. St. Helena Comment
  JEPS110810  Phoradendron villosum Jake Ruygt 2001-3-1 4293 Napa near Routan Creek 259 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
  JEPS44811  Physocarpus capitatus W. L. Jepson 1895-11-26 13847 Napa La Jota Plateau Howell Mt Comment
  RSA602574  Pickeringia montana L. C. Wheeler 1952-8-30 6881 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  UC17042  Pickeringia montana var. montana Willis L. Jepson 1896-2-23 Napa La Jota Falls Napa River Basin, Howell Mt. 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
  CAS-BOT-BC73327  Pinus attenuata L. R. Abrams 1928-5-4 12273 Napa Near summit Mt. St. Helena. Comment
  CAS-BOT-BC73329  Pinus attenuata John Thomas Howell 1926-10-3 2205 Napa Mt. St. Helena Comment
  JEPS47900  Pinus attenuata Willis L. Jepson 1893-5-4 Napa summit of Mt. St. Helena Napa River Basin, Mt. St. Helena Comment
  SEINET267027  Pinus attenuata Royal D. Suttkus 1967-6-26 67- 30 -4 Napa Clearly Reserves 7.2 mi NW of Pope Valley 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
  CAS-BOT-BC73124  Pinus lambertiana John Thomas Howell 1926-10-3 2200 Napa Mt. St. Helena near the summit. Comment
  SEINET12527538  Pinus ponderosa var. ponderosa D. A. Charlet, Dene Charlet 2005-1-1 2861 Napa Robert Lois Stevenson State Park, Saint Helena Creek drainage, Mayacmas Mountains; west side of highway near trailhead, w 600 Comment
  JEPS46893  Pinus sabiniana W. L. Jepson 1895-11-1 Napa Howell Mountain Comment
  RSA785707  Pinus sabiniana Carrie A. Herd 1982-5-9 99 Napa Sage Canyon Road, Con Dam area Comment
  SEINET3221130 Image available Pinus sabiniana Royal D. Suttkus 1967-6-26 67- 30 -43 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  JEPS122738  Plagiobothrys bracteatus Jake Ruygt 2011-5-7 5773 Napa Pope Valley, Pope Canyon Road at vernal marsh. Quad: St. Helena. Comment
  SEINET3895550  Plagiobothrys bracteatus Jake Ruygt 1996-5-13 3667 Napa 0.9 miles south of Pope Canyon Road on Hardin Road. SW side of road in vernal pool.; 0 183 Comment
  UCD120805  Plagiobothrys canescens Beecher Crampton 1955-4-7 2437 Napa Napa County, 7.8 miles north of Monticello. Comment
  SEINET7063153  Plagiobothrys fulvus A. G. Vestal 1963-4-7 s.n. Napa East-facing slope about 3.8 miles north of Saint Helena on the Silverado Trail. UTM Zone 10, 543982mE, 4266952mN. (WGS84/NAD83). 98 Comment
  JEPS68059  Plagiobothrys nothofulvus Willis L. Jepson 1893-4-26 21162 Napa Rutherford Napa River Basin Comment
  POM182692  Plagiobothrys nothofulvus D. D. Keck 1931-4-2 1006 Napa Foot of Wooden Valley grade, 4 miles NE of Napa. 50 Comment
  UC25056  Plagiobothrys nothofulvus Willis L. Jepson 1893-4-25 Napa Caux's Knob w St. Helena; Caux's Knob Comment
  UCD48654  Plagiobothrys nothofulvus M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 24 Napa Quail Ridge UC Reserve, northern tip of peninsula. 243 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
  UCD120926  Plagiobothrys nothofulvus J. M. Tucker; C. H. Lamoureux and June McCaskill 1957-4-7 3290 Napa Beside 'Silverado Trail', ca. 7.5 miles north of St. Helena, east side of Napa Valley. Comment
  UCD15494  Plagiobothrys nothofulvus Kathryn Specht 1984-4-28 8 Napa 2 miles East of Knoxville Road on Coyote Knoll. 121 Comment
  UCD161690  Plagiobothrys nothofulvus Jake Ruygt 2010-3-9 5482 Napa Lovell Valley Loop Road about 0.5 mile south of Napa / Sonoma line. 185 Comment
  UCD161578  Plagiobothrys stipitatus var. micranthus Jake Ruygt 2007-5-5 5165 Napa Walnut Flat, near Wild Lake. 630 Comment
  UCD74386  Plagiobothrys stipitatus var. micranthus Jake Ruygt 1982-4-14 1185 Napa East of Rocktram, west of Hwy. 221. 1 Comment
  JEPS106762  Plagiobothrys strictus Jake Ruygt 1996-4-11 3589 Napa Calistoga Airport 105 Comment
  JEPS24591  Plagiobothrys strictus E. L. Greene 1892-4-20 Napa Calistoga; about sulphur springs Comment
  UC55921  Plagiobothrys strictus J. P. Tracy May 15 1903-May 18 1903 1857 Napa Calistoga Hot Springs Region about San Francisco Bay, Napa Valley 91 Comment
  UC881354  Plagiobothrys strictus Alice Eastwood 1918-5-2 6881 Napa Calistoga Comment
  JEPS68134  Plagiobothrys tenellus W. L. Jepson 1900-3-9 509 Napa Howell Mt. Comment
  POM252890  Plagiobothrys tener var. subglaber B. O. Schreiber 1938-4-24 2499 Napa 0.5 mile NW of Knoxville. 610 Comment
  UCD164837  Plagiobothrys tener var. subglaber Jake Ruygt 2012-4-21 5841 Napa Spanish Valley, southeast. 225 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
  UCD167144  Plagiobothrys undulatus Jake Ruygt 2015-5-6 6091 Napa East side of Highway 221, south of Suscol Creek. 30 Comment
  UCD77273  Plantago elongata Robert E. Preston 2005-3-10 2315 Napa Mouth of Long Canyon 312 Comment
  JEPS6453  Plantago erecta Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. Comment
  UCD49190  Plantago erecta S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 10 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
  RSA278555  Plantago erecta subsp. erecta T. C. Emmel 1965-5-15 44 Napa 5 miles S of jct of Knoxville Devilhead Rd and Knoxville Berryessa Rd. Comment
  UCD170431  Plantago lanceolata Daniel Potter; Daniel McNair 2016-4-23 923 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  UCR12028  Plantago lanceolata Coleta A. Lawler 1964-3-24 16 Napa Junction of Redwood Rd and Browns Valley Rd Comment
  UCD164741  Plantago major Jake Ruygt 2014-7-7 6020 Napa Pope Creek. Pope Canyon. 188 Comment
  JEPS110775  Platystemon californicus Jake Ruygt 1998-4-18 3909 Napa Pope Valley, N of intersection of Pope Canyon Rd X Hardin Rd 182 Comment
  JEPS122745  Platystemon californicus Jake Ruygt 2011-5-7 5782 Napa Mill Valley near Angwin; central portion. Quad: St. Helena. Comment
  UCD167242  Platystemon californicus Jake Ruygt 2005-4-17 4771 Napa Cub Valley', south of Bear Valley. 664 Comment
  CAS-BOT-BC91870  Platystemon californicus John Thomas Howell 1926-3-20 1691 Napa Near Calistoga. Comment
  JEPS110900  Plectritis brachystemon Jake Ruygt 1994-5-14 3370 Napa Mead Ranch, Atlas Peak Road, south of Foss Valley. 487 Comment
  JEPS5125  Plectritis brachystemon Willis L. Jepson 1893-4-24 Napa Hills e of St. Helena (Napa River Basin); Napa River Basin Comment
  JEPS6141  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4448 Napa s of Monticello Valley Comment
  HSC21697  Plectritis ciliosa Greg Bos 1963-3-30 56 Napa 1 mi. S of Middletown on Butts Canyon Rd. 335 Comment
  JEPS5148  Plectritis ciliosa subsp. ciliosa W. L. Jepson 1893-4-28 Napa ne of Napa City (Franchos Creek); Napa Range, Franchos Creek Comment
  UC917296  Plectritis ciliosa subsp. ciliosa J. D. Skoss 1948-4-1 1 Napa 14 mi w of Winters (Putah Canyon); Putah Canyon Comment
  POM263492  Plectritis ciliosa subsp. insignis J. C. Roos 1939-3-27 263 Napa Pope Valley Comment
  JEPS4814  Plectritis macrocera Miss R. Kuhn 1912-5-6 Napa Oakville Comment
  UCD48235  Plectritis macrocera M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 9 Napa McLaughlin UC Reserve. W side of Davis Creek Reservoir, 10 m S of road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and Ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. Along edges of running stream and slopes to the north and south of stream on the W side of the road. 487 Comment
  UCD137615  Plectritis macrocera J. D. Skoss 1948-4-10 s.n. Napa Putah Canyon, 12 miles above Winters. Comment
  OBI8696  Plectritis magna Bacigalupi & Dempster, Dempster 1954-5-10 4444 Napa Conn Cyn Reservoir Comment
  JEPS75068  Pleuropogon californicus W. L. Jepson 1893-4-24 Napa e of St. Helena (to Conn Valley grade, Napa River Basin); Napa River Basin Comment
  UC1145108  Pleuropogon californicus Joseph P. Tracy 1938-6-6 15844 Napa between Napa City and Yountville Napa City; Napa Valley 30 Comment
  UC71014  Pleuropogon californicus Willis L. Jepson May 1892 Napa Napa Valley , Napa River Basin (Napa River Basin) Comment
  UCD90200  Pleuropogon californicus M. Wiesendanger 1928-4-5 870 Napa Near Calistoga. Comment
  UCD90191  Pleuropogon californicus var. californicus R. Tofsrud 1948-5-1 s.n. Napa Calistoga. Comment
  UCD90210  Pleuropogon californicus var. californicus Beecher Crampton 1955-4-4 2392 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  CAS-BOT-BC244371  Poa annua Peter H. Raven 1953-3-29 5209 Napa 2 miles S of Calistoga 106 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
  SEINET200841 Image available Poa howellii J. P. Tracy 1902-5-16 1510 Napa Howell Mountain head of Moore's Creek 3-4 miles E of Angwin's. 335 Comment
  UCD91105  Poa howellii Beecher Crampton 1956-5-25 3483 Napa Howell Mtns. Comment
  UCD91107  Poa howellii Beecher Crampton 1957-4-15 3928 Napa Martley Canyon, Vaca Mountains. Comment
  UCD36594  Poa napensis Beecher Crampton 1955-5-9 2750 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. 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
  CAS-BOT-BC242898  Poa secunda subsp. secunda L. R. Abrams 1928-5-3 12234 Napa St. Helena Grade Comment
  UCD90836  Poa secunda subsp. secunda Beecher Crampton 1965-5-13 7332 Napa 11 miles E of Rutherford, State Hwy. 128. Comment
  JEPS62446  Pogogyne douglasii W. L. Jepson 1897-7-12 14907 Napa Pope Valley Comment
  RSA114030  Pogogyne douglasii Peter H. Raven 1957-5-5 10749 Napa Near geysers, Calistoga. Comment
  SEINET7968092  Pogogyne douglasii J. P. Tracy 1903-5-15 1863 Napa Near Calistoga. 91 Comment
  JEPS21828  Polycarpon tetraphyllum Margaret Whitmore 1958-5-17 73 Napa Napa; 1441 Pine St. 15 Comment
  UC1299487  Polycarpon tetraphyllum Freed W. Hoffman 1946-8-20 1855 Napa Conn Reservoir; North Coast Ranges, Conn Reservoir Comment
  UCD98411  Polycarpon tetraphyllum Irving Grover 1954-6-29 s.n. Napa from farm buildings. Comment
  UCD170183  Polygala californica Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 774 Napa Knoxville Wildlife Area, northwest of Zim Zim Falls. 463 Comment
  UCD170188  Polygala californica Daniel Potter; Ninh Khuu, Travis Parker, Coralie Donkers 2015-3-26 769 Napa east of Knoxville Devilhead Road, west of Knoxville Wildlife Area. 563 Comment
  POM126399  Polygala californica H. P. Chandler 1907-5-19 7581 Napa White Sulphur Spring, St. Helena Comment
  JEPS110853  Polygonum amphibium var. emersum Jake Ruygt 1979-8-7 790 Napa .1 mile north of Yountville underpass on Yount St. 28 Comment
  CAS-BOT-BC109156  Polygonum bolanderi David D. Keck 1933-11-10 2721 Napa 1 mile north of Yountville. Comment
  CAS-BOT-BC109162  Polygonum bolanderi Wilhelm Nikolaus Suksdorf 1913-7-30 748 Napa Northwest of Napa. Comment
  UC77396  Polygonum bolanderi Katharine Brandegee Aug. 1888 Napa Howell Mountain Comment
  UCD99863  Polygonum bolanderi Walter R. Russell 1963-11-5 s.n. Napa ca. 2 miles south of Napa State Hospital, State Highway 12-29. Comment
  UC1299692  Polygonum hydropiper Freed W. Hoffman 1946-8-20 1264 Napa below Conn Lake Dam; North Coast Ranges Comment
  JEPS112595  Polygonum lapathifolium Jake Ruygt 1969-12-31 2837 Napa Buchli Station, DFG Huichica Creek prop. 1 Comment
  CAS-BOT-BC419831  Polygonum parryi John Thomas Howell 1940-5-19 15466 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC420986  Polygonum spergulariiforme R. F. Hoover 1966-8-23 9920 Napa East side of Mt. St. Helena Comment
  OBI10872  Polygonum spergulariiforme Robert F. Hoover 1966-8-23 9920 Napa E side of Mt St Helena Comment
  SEINET3153012  Polypodium californicum R. H. Platt 1898-3-24 sn Napa Vaca Mts. 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
  UCD83865  Polypodium glycyrrhiza Ellen Dean; Stephen Rae 2010-3-15 5823 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  CAS-BOT-BC237256  Polypogon monspeliensis Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs Comment
  UCD19931  Polypogon monspeliensis E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 788 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UC1004360  Polystichum W. W. Lipman 1954-9-24 Napa 3 mi n St. Helena (in grounds of Professor Lipman's home) Comment
  JEPS103976  Polystichum californicum Jake Ruygt 1979-7-28 773 Napa 2.1 miles NW of Madrona on Spring Mountain Road 207 Comment
  JEPS116569  Polystichum californicum Jake Ruygt 1990-6-2 2574 Napa Sulphur Canyon. Kenwood 7.5' Quad. Comment
  RSA10644  Polystichum imbricans C. B. Wolf 1928-5-3 1846 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  UC184618  Proboscidea louisianica subsp. louisianica H. J. Baade 1915-9-28 Napa Napa Comment
  JEPS122748  Proboscidea lutea Jake Ruygt 2006-9-10 5100 Napa West side of Highway 29, south of Darms Lane. Quad: Napa. Comment
  UCD20031  Prosartes hookeri C. H. Lamoureux; J. M. Tucker, R. Gankin 1957-4-17 1207 Napa Junction of Glass Mountain Road and Silverado Trail. Comment
  UC1198771  Prunus emarginata Joseph P. Tracy 1933-4-30 12114 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, La Jota Plateau, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  CAS-BOT-BC151176  Prunus subcordata W. L. Jepson 1891-6-1 s.n. Napa In the Vaca Mts. Comment
  UC467871  Prunus subcordata H. P. Chandler 1907-4-21 7532 Napa Road from Glen Ellen to Oakville (side of Summit) Comment
  CAS-BOT-BC356982  Pseudognaphalium luteoalbum John W. Willoughby 1979-5-25 4298 Napa Vaca Mountains. Pansy Flat (ca. 1 mile south of Signal Hill) 609 Comment
  UCD146333  Pseudognaphalium microcephalum Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  JEPS106961  Pseudognaphalium stramineum Jake Ruygt 1991-8-4 2811 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 131 Comment
  UCD161687  Pseudognaphalium stramineum Jake Ruygt 2008-8-16 5367 Napa northeast of Napa Airport, Napa Sanitation ponds. 2 Comment
  CAS-BOT-BC80153  Pseudotsuga menziesii Peter H. Raven 1951-8-19 3852 Napa near Lokoya 487 Comment
  SEINET3221129 Image available Pseudotsuga menziesii Royal D. Suttkus 1967-6-26 67- 30 -14 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UC245  Pseudotsuga menziesii var. menziesii Mrs. D. O. Hunt 1899-2-26 Napa Glass Mt. St. Helena, Glass Mt. Comment
  UCD120917  Pseudotsuga menziesii var. menziesii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7338 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. North side of road. 519 Comment
  JEPS106883  Psilocarphus oregonus Jake Ruygt 1995-5-8 3471 Napa 2 mi. south of Lake Hennessey on road to Taylor/ Chapallet 411 Comment
  JEPS106924  Psilocarphus tenellus Jake Ruygt 1993-4-12 3193 Napa Milton Road west of the Brazos Bridge a 0 Comment
  UCD170382  Psilocarphus tenellus Daniel Potter; N Khuu 2016-5-8 878 Napa Knoxville Wildlife Area, southwest of Zim Zim Falls trailhead. 347 Comment
  UC403981  Ptelea crenulata J. F. Spurgeon Sep 1906 2 Napa Veteran's Home, Napa; Napa Comment
  CAS-BOT-BC72604  Pteridium aquilinum Jean Fottrell 1906-7-1 s.n. Napa Napa Comment
  JEPS110781  Pterostegia drymarioides Jake Ruygt 1994-3-15 3319 Napa Chiles Canyon Road about 1 mile from Chiles Valley 457 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
  UCD100922  Pterostegia drymarioides E. Hyde 1938-4-28 s.n. Napa Putah Canyon. Comment
  UC221335  Pyrrocoma racemosa var. racemosa H. M. Hall 1923-10-15 11949 a Napa near Calistoga; Martinsdale Spring Comment
  CAS-BOT-BC62710  Quercus X chasei J. M. Tucker 1954-9-23 2757 Napa beside Highway 37, 6.5 miles (by road) south of junction with Highway 28 Comment
  JEPS116572  Quercus X morehus Jake Ruygt 1986-5-5 1742 Napa North side of Mount George. 7.5' Mount George Quad. 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
  UCD148749  Quercus X morehus Jake Ruygt 2007-2-18 5120 Napa Napa County; Las Posadas State Forest; on ridge between Uncle John and Moore Creeks. 432 Comment
  HSC8088  Quercus agrifolia Greg Bos 1963-3-30 64 Napa 10 mi. SW of Pope Valley on Pope Valley Rd. 366 Comment
  JEPS37372  Quercus agrifolia W. L. Jepson 1907-12-1 2973 Napa Sanitarium Hill road Napa Valley Comment
  SD125384  Quercus agrifolia William C. Overton 1980-7-13 Napa Along south bank of Eticuera Creek, 1.5 miles north of Lake Berryessa. 177 Comment
  CDA12252  Quercus agrifolia var. agrifolia G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 s.n. Napa North Coast Biodiversity Arena; Tree at upper end of Lake Hennessey along Hwy. 128. Comment
  SFV17674  Quercus berberidifolia J. M. Tucker 1950-11-12 2014 7 Napa Highway 28, 7.7 miles (by road) west of junction with Highway 37. Southeast-facing hillslope above Sage Creek. Comment
  UCD45203  Quercus berberidifolia Thomas Morley 1941-5-11 125 Napa Elevation 461 feet. On west bank of Putah Creek immediately above junction with Butts Creek, Napa County. 140 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
  UCD45754  Quercus berberidifolia Beecher Crampton 1962-10-2 6692 Napa 1 miles southwest of Monticello Dam, Vaca Mtns., State Hwy. 128. Comment
  UCSB58649  Quercus berberidifolia Morley, Thomas 1941-5-11 Napa west bank of Putah Creek immediately above junction with Butts Creek 140 Comment
  CAS-BOT-BC62460  Quercus chrysolepis Peter H. Raven 1964-5-9 19060 Napa along dirt road 2 miles west of Aetna Springs Comment
  UC1135373  Quercus chrysolepis J. B. Spring, R. W. Lundh 1932-6-27 89 Napa 1.5 mi s and 0.25 mi e McCormack Ranch; Santa Rosa Quad. 548 Comment
  CAS-BOT-BC85938  Quercus douglasii M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 miles NE Cliff Spring Comment
  UC993145  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
  UC993147  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
  UCD45676  Quercus douglasii Frank W. Gould 1939-4-6 600 Napa Eleven miles east of Napa. Comment
  UCD45747  Quercus douglasii John M. Tucker; G. L. Stebbins 1950-11-5 2008 16 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; growing with both parental species. Comment
  CAS-BOT-BC86434  Quercus dumosa John Thomas Howell 1933-8-27 11647 Napa E of Chiles Valley on road to Winters, Napa Range Comment
  SEINET9315403  Quercus dumosa Unknown 1939-4-16 39068 Napa 3 mi NE of Napa. Open rocky hills. Comment
  CAS-BOT-BC79835  Quercus durata John H. Thomas 1955-5-21 5164 Napa Near State Highway No. 128 and capell Creek, about 12 mi E of St. Helena 274 Comment
  UCD14823  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -19 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14828  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -29 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14838  Quercus durata John M. Tucker 1950-11-12 2014 -16 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD14845  Quercus durata John M. Tucker 1950-11-12 2014 -23 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD45934  Quercus durata D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Mac Laughlin UC Natural Reserve. 680 Comment
  UCD45978  Quercus durata G. F. Hrusa; G. L. Stebbins 1994-3-11 11602 Napa Rhyolitic ash flat on Ink Grade approx. 2 miles N of Angwin. 520 Comment
  SBBG111357  Quercus durata var. durata J. M. Tucker, G. L. Stebbins 1950-11-5 2007 -33 Napa Howell Mtn, N of St Helena Comment
  UCD45909  Quercus durata var. durata Thomas Morley 1941-5-11 130 B Napa On north bank of Butts Creek 1/4 mile west of its junction with Putah Creek, Napa County. Elevation 480 feet. 146 Comment
  UCD48034  Quercus durata var. durata S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 16 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd. 531 Comment
  UCD54026  Quercus durata var. durata R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 5 Napa McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD83396  Quercus durata var. durata Jake Ruygt 1980-4-22 854 Napa Devilshead Rd. 475 Comment
  CDA29212  Quercus garryana D. G. Kelch 2009-6-21 9 .449 Napa Near Skyline Park. Comment
  UCD46174  Quercus garryana J. M. Tucker 1954-9-23 2754 Napa (X Q. douglasii H. and A.) Slope on Mt. St. Helena, overlooking Highway 29, 5.2 miles (by road) north of the city limits sign on north side of Calistoga, Napa County, California. Comment
  UCD46058  Quercus garryana var. garryana J. M. Tucker 1952-4-22 2359 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. Comment
  CAS-BOT-BC105299  Quercus kelloggii Alice Eastwood 1918-5-1 6820 Napa Mt. St. Helena Comment
  CAS-BOT-BC105300  Quercus kelloggii Alice Eastwood 1922-5-14 11314 Napa Mt. St. Helena Comment
  CDA29134  Quercus kelloggii D. G. Kelch, Daniel Weinstein 2009-6-21 9 .445 Napa Near Skyline Park. Comment
  JEPS37763  Quercus kelloggii Willis L. Jepson 1900-3-8 505 Napa St. Helena Napa River Basin Comment
  RSA476819  Quercus kelloggii T. Gertrude Williamson 1924-7-5 s.n. Napa Near St. Helena. Comment
  SEINET2066834 Image available Quercus kelloggii Royal D. Suttkus 1967-6-26 67 -308 Napa Clearly Reserves, 7.2 mi NW of Pope Valley Comment
  UC615441  Quercus kelloggii Beryl O. Schreiber 1932-4-3 200 Napa road to Calistoga Comment
  UCD37947  Quercus kelloggii Beecher Crampton 1962-5-16 6430 Napa 0.5 mile W of Aetna Springs. Comment
  UCD46705  Quercus kelloggii W. L. Jepson 1900-3-8 505 Napa St. Helena, Napa River Basin. Comment
  UCD165474  Quercus kelloggii John M. Tucker 1976-10-24 4383 Napa California, Napa County: Beside Dry Creek Road, 0.8 mi. east of junction with Wall Road, and 5 mi. (by road) southwest of Oakville. Comment
  CAS-BOT-BC62876  Quercus lobata Peter H. Raven 1951-6-24 s.n. Napa Napa-Brown's Valley 152 Comment
  CAS-BOT-BC62883  Quercus lobata H. E. McMinn 1922-6-8 205 Napa Pope Creek Canyon 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
  UCD46936  Quercus marilandica Bill Davis 1966-9-26 s.n. Napa Veterans' Home Memorial Grove Napa Co., Calif. Comment
  CAS-BOT-BC104979  Quercus wislizeni John Thomas Howell 1926-3-28 1764 Napa Trail to top of Mt. St. Helena Comment
  CLARK-A1528-2913  Quercus wislizeni John C. Roos 1939-4-16 284 Napa Angwin Comment
  UCD63165  Rafinesquia californica Jake Ruygt 1980-5-13 891 Napa Mt. St. John. 441 Comment
  JEPS110891  Ranunculus aquatilis var. capillaceus Jake Ruygt 1996-3-30 3539 Napa Jameson Vineyards, South Kelly Road. 67 Comment
  UCD168566  Ranunculus californicus 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
  UC9420  Ranunculus canus Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  JEPS110876  Ranunculus hebecarpus Jake Ruygt 1992-4-7 2894 Napa Tuteur Ranch, SW corner, Kreuze Canyon 384 Comment
  POM268693  Ranunculus lobbii W. L. Jepson 1893-5-1 s.n. Napa Upper Napa Valley, near Calistoga; Napa River basin Comment
  POM263164  Ranunculus muricatus J. C. Roos 1939-4-18 314 Napa Howell Mountain, Angwin. Comment
  UCD96246  Ranunculus muricatus James A. Neilson Jr. 1975-4-13 3160 Napa Soda Canyon Road. Comment
  CDA12063  Ranunculus occidentalis G. F. Hrusa, J. Messina 1989-3-3 5871 Napa North Coast Biodiversity Arena; Slopes around Lake Berryessa. This from along Hwy 128 entrance to Quail Ridge Reserve. Comment
  JEPS55165  Ranunculus occidentalis Willis L. Jepson 1893-3-13 Napa hills e St. Helena; Napa River Basin Comment
  UCD48147  Ranunculus occidentalis Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 5 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  UCD96928  Ranunculus occidentalis K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  UCR242401  Ranunculus occidentalis Ellen Dean, Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 600 Napa North Coast Range, McLaughlin Reserve, c. 0.2 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley 463 Comment
  POM268385  Ranunculus occidentalis var. eisenii Lyman Benson 1931-2-26 2600 Napa N of Calistoga, Mayacamas Mt. Napa watershed. 549 Comment
  SBBG20752  Ranunculus occidentalis var. occidentalis H. and M. Dearing 1939-5-3 3266 c Napa near Napa Comment
  JEPS17350  Ranunculus orthorhynchus var. bloomeri Rimo Bacigalupi with John Dawson 1955-4-25 4841 Napa 2 1/2 mi s Imola (field along CA Hwy 29) Comment
  JEPS55102  Ranunculus orthorhynchus var. bloomeri W. L. Jepson 1945-3-28 27555 Napa about 3 mi se Yountville; Napa Valley Comment
  UCD116484  Reseda luteola K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  CAS-BOT-BC362897  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G. A. Wilson ranch, Dry Creek Road, 2 mi. w. of Yountville 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
  UC592789  Rhamnus californica subsp. californica unknown 1928-2-25 1505 Napa 2 mi n summit of the Mt. St. Helena grade to Middletown Comment
  JEPS42003  Rhamnus crocea W. L. Jepson 1915-12-5 6587 Napa Adam-and-Eve Ridge Howell Mt. Comment
  JEPS42004  Rhamnus crocea W. L. Jepson 1916-12-5 6588 Napa Howell Mt. Comment
  UCD38857  Rhamnus crocea Beecher Crampton 1962-10-9 6694 Napa 3.5 miles southwest Angwin, Howell Mtn. Road. Comment
  UCD160730  Rhamnus ilicifolia Ellen Dean 2015-5-23 8782 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  JEPS760  Rhamnus tomentella subsp. tomentella W. L. Jepson 1916-8-7 6839 Napa Moore's Creek Howell Mt. Comment
  CAS-BOT-BC199722  Rhododendron occidentale L. R. Abrams 1928-5-4 12286 Napa 4 mi. south of Middletown Comment
  UCD21549  Rhododendron occidentale A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 3 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, at pool at confluence of Sensitive Plant Canyon and Hunting Creek. 335 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
  SEINET12237641  Rhus trilobata F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -314 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS126033  Ribes californicum Jake Ruygt 1998-6-24 4055 Napa Brushy Canyon. Lake Berryessa 7.5' Quad. Comment
  CAS-BOT-BC168939  Ribes malvaceum David D. Keck 1931-4-2 1025 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa 170 Comment
  SBBG2766  Ribes malvaceum Milton Workman 1953-3-23 22 Napa Mix Cyn 548 Comment
  UCD49073  Ribes malvaceum S. Murphy; K. Keck and K. Dyer 2002-5-5 19 Napa Quail Ridge UC Reserve, northern tip of ridge, NE from intersection of West and East roads ca. 500 m, along edge of upper road leading out to power lines and tip parcels. 328 Comment
  CAS-BOT-BC198895  Ribes roezlii var. cruentum Rimo Bacigalupi 1926-3-28 1268 Napa Patton's Toll House along old road, Mt. St. Helena Comment
  JEPS49466  Ribes roezlii var. cruentum Willis L. Jepson 1893-5-5 13523 Napa below Toll-House (Middleton grade); Napa River Basin, Mt. St. Helena Comment
  CAS-BOT-BC209365  Ribes sanguineum var. glutinosum E. L. Greene 1874-4-13 s.n. Napa Napa Valley Comment
  JEPS126025  Ribes sanguineum var. glutinosum Jake Ruygt 1982-3-22 1139 Napa Marie Creek, Skyline Park. Mount George 7.5' Quad. Comment
  JEPS110833  Ribes victoris Jake Ruygt 1980-5-4 876 Napa canyon near Bateman Creek 597 Comment
  UCD164831  Ribes victoris Jake Ruygt 2012-5-19 5851 Napa Crystal Flats, west of Putah Creek. 268 Comment
  UCD167016  Ribes victoris Jake Ruygt 1984-3-28 1511 Napa Whitehall lane. 701 Comment
  RSA84971  Ribes victoris var. greenianum J. T. Howell 1940-5-19 15450 Napa Upper St. Helena Creek. Comment
  UC1001195  Ribes victoris var. minus Peter H. Raven, G. L. Stebbins Jr. 1953-4-19 5329 Napa e Chiles Valley; Soda Creek 137 Comment
  HSC81863  Rigiopappus leptocladus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5149 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UCD63167  Rigiopappus leptocladus Jake Ruygt 1983-5-29 1467 Napa Napa Valley: Knoxville. 426 Comment
  JEPS106793  Rorippa curvisiliqua Jake Ruygt 1996-6-2 3739 Napa Buchli Station area of Duhig Road; near Huichica Creek 5 Comment
  CAS-BOT-BC74597  Rorippa curvisiliqua Peter H. Raven 1952-6-28 4199 Napa Hennessey Lake. 121 Comment
  UCD167150  Rorippa palustris subsp. palustris Jake Ruygt 2015-5-6 6092 Napa East side of Highway 221, south of Suscol Creek. 30 Comment
  CAS-BOT-BC147533  Rosa californica John Thomas Howell 1933-8-27 11649 Napa Chiles Valley, Napa Range Comment
  UCD19921  Rosa californica E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 776 b Napa Quail Ridge Reserve. Decker Canyon, along S. Decker Canyon trail, just N of Cut-off Rd., along drainage that runs NE of trail. 167 Comment
  CAS-BOT-BC148154  Rosa gymnocarpa Peter H. Raven 1950-5-6 2035 Napa S. limits of Calistoga, on Rt. 28 60 Comment
  CAS-BOT-BC148158  Rosa gymnocarpa A. A. Heller 1924-4-12 13838 Napa About 5 miles south of Calistoga Comment
  JEPS45680  Rosa gymnocarpa W. L. Jepson 1894-10-14 13891 Napa sw Calistoga; Rebecca Ranch grade Comment
  SEINET11910992  Rosa spithamea F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -312 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 770 Comment
  UCD17682  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 79 Napa California. Napa County: north of Redwood Lodge along Highway 128. Comment
  CAS-BOT-BC156589  Rubus bifrons Peter H. Raven 1952-5-29 4075 Napa Napa River 1 mi. n. Napa 60 Comment
  CAS-BOT-BC156915  Rubus ursinus Greg de Nevers 2001-7-8 12559 Napa Clear Lake, Lake County Land Trust, Rodman Slough 475 Comment
  UCD114003  Rubus ursinus Heidi E. M. Dobson 1978-4-8 303 Napa East slope of Mt. Veeder. Comment
  UCD17923  Rubus ursinus H. Olmo; T. S. Mallah 1953-4-8 53- 84 Napa California. Napa County: junction of Silverado Trail and Spring Valley Road near the 'Mather House. Comment
  RSA755378  Rumex dentatus L. Ahart 2009-10-27 16492 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road., About 20 air miles northwest of Winters. 130 Comment
  CHSC102281  Rumex fueginus 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, about 20 miles (air) northwest of Winters. 130 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
  HSC70625  Rupertia physodes J. M. DiTomaso 1980-6-12 1579 Napa 1 mi. W of Monticello Dam at Lake Berryessa, above lake. 146 Comment
  UCD145262  Rupertia physodes Daphne K. Christopher; Hannah Stevens, Mark Bibbo 2003-4-12 146 Napa UC Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation. 166 Comment
  POM216230  Rupertia physodes D. D. Keck 1933-5-29 2356 Napa Pope Creek bridge south of Walters Springs. Comment
  UCD167161  Sagina apetala Jake Ruygt 2015-3-23 6050 Napa Missimer - Snell Valley Preserve. 178 Comment
  UC1103529  Sagina decumbens subsp. occidentalis Joseph P. Tracy 1902-5-16 1503 Napa 3 - 4 mi. e. Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt., Moore's Creek 365 Comment
  CAS-BOT-BC103225  Salix bonplandiana Peter H. Raven 1951-6-24 3021 Napa [Brown's] Browns Valley to Napa-Sonoma Road 91 Comment
  CAS-BOT-BC108663  Salix breweri John Thomas Howell 1933-8-27 11641 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC108193  Salix hindsiana Ira L. Wiggins 1932-3-12 5755 Napa North fork of the Napa River, 1 mi. N. of Calistoga Comment
  JEPS38433  Salix laevigata W. L. Jepson 1922-10-22 9840 Napa Conn Creek Napa Valley Comment
  POM106776  Salix laevigata Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC539356  Salix laevigata Jake Ruygt 2008-4-24 5304 -c Napa Soscvol Creek at Hwy 29 19 Comment
  UC483317  Salix lasiandra subsp. lasiandra Ira L. Wiggins 1932-3-12 5750 Napa 1 mi. n. Calistoga (N. Fork Napa R.); N. Fork Napa R. Comment
  CAS-BOT-BC125150  Salix lasiandra var. lasiandra Ira L. Wiggins 1932-3-12 5750 Napa North fork of the Napa River, 1 mi. N. of Calistoga Comment
  UCD164813  Salix lasiandra var. lasiandra Jake Ruygt 2007-3-31 5138 Napa Las Posadas State Forest, Moore Creek near Recreational Flat. 359 Comment
  UCD164814  Salix lasiandra var. lasiandra Jake Ruygt 1992-7-10 3077 Napa Yountville Ecological Reserve, Yount-ville Crossroad. 25 Comment
  UCD164815  Salix lasiandra var. lasiandra Jake Ruygt 2009-3-21 5388 Napa Larkmead Lane, south side of Napa River. 85 Comment
  CDA21154  Salix lasiolepis G. F. Hrusa 1998-3-15 14153 B Napa North Coast Biodiversity Arena; Hwy 128 at Lake Hennessey. Comment
  JEPS13831  Salix lasiolepis Willis L. Jepson 1903-9-6 2345 Napa St. Helena; Napa River Basin Comment
  RSA3944  Salix lasiolepis I. L. Wiggins 1932-3-12 5751 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UC482319  Salix lasiolepis C. R. Ball and Harold E. Parks 1931-2-17 17 a Napa 1 mi nw Calistoga (in shallow arroyo) Comment
  UC504070  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 1 Napa Dry Creek Rd. aprroximately 15 mi from Napa Comment
  CAS-BOT-BC124411  Salix lasiolepis var. lasiolepis Peter H. Raven 1951-8-20 3859 Napa Acacia Lookout nr. Lokoya 426 Comment
  CAS-BOT-BC124417  Salix lasiolepis var. lasiolepis Elsa G. Ruckert 1960-3-12 20 Napa 5 1/2 miles from Highway 12 on east side of Dry Creek Road, 100 yards from county road 335 Comment
  CAS-BOT-BC124420  Salix lasiolepis var. lasiolepis Ira L. Wiggins 1932-3-12 5751 Napa North fork of the Napa River, 1 mi. N. of the town of Calistoga Comment
  UCD162403  Salpichroa origanifolia Irving Grover 1958-6-9 s.n. Napa Napa. Comment
  UCD125700  Salvia columbariae M. Wiesendanger 1927-5-4 688 Napa Monticello - Napa Rd. Comment
  UC25739  Salvia sonomensis Willis L. Jepson 1893-5-1 Napa w of Calistoga; Napa River Basin Comment
  UC634916  Salvia sonomensis H. L. Mason 1926-3-22 2795 Napa from Calistoga to Petrified Forest 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
  POM180781  Sanguisorba minor J. T. Howell 1930-7-13 5366 Napa Upper Napa Valley Comment
  JEPS45502  Sanguisorba minor subsp. muricata W. L. Jepson 1908-5-23 3007 Napa St. Helena; Sunkler Ranch Comment
  JEPS104480  Sanicula bipinnata Jake Ruygt 1977-4-3 167 Napa hills east of Lake Berryessa,Green Canyon 228 Comment
  POM196058  Sanicula bipinnata L. F. Robbins 1928-3-18 s.n. Napa Putah Canyon. Comment
  UC1197107  Sanicula bipinnatifida J. P. Tracy 1899-6-26 410 Napa 3-4 mi e of Angwin's (Howell Mountain, Head of Moore's Creek); Howell Mountain, Moore's Creek 365 Comment
  UCD48512  Sanicula bipinnatifida A. Van Houtte; E. Leger and C. Hohn 2001-4-14 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; NE-facing bank upslope of ruined cabins, between the stock pond and the W side of Decker Canyon Rd. 152 Comment
  UC658996  Sanicula bipinnatifida Mildred E. Mathias 1938-4-24 1333 Napa e side of Mount St. Helena Mount St. Helena 457 Comment
  UCD117806  Sanicula crassicaulis Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Along dirt road that goes northeast of fire station. In field on south side of road. 519 Comment
  UCD127986  Sanicula crassicaulis D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCD18054  Sanicula crassicaulis Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 607 Napa Napa County. McLaughlin Reserve. Ca. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along old road that climbs up ridge on E side, N- and NW-facing slopes. 536 Comment
  UCD73417  Sanicula laciniata Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
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Jan 25 2012
  JEPS104495  Sanicula tuberosa Jake Ruygt 1992-4-3 2878 Napa Tuteur Ranch, end of Green Valley Rd. 451 Comment
  RSA10677  Sanicula tuberosa C. B. Wolf 1928-5-3 s.n. Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC1197076  Sanicula tuberosa J. P. Tracy June 13,1899 - June 17, 1899 411 Napa 3-4 mi e of Angwin's (Head of Moore's Creek, Howell Mountain); Howell Mountain, Moore's Creek 365 Comment
  POM133566  Sanicula tuberosa C. F. Baker 1903-4-20 10173 Napa Mt. St. Helena. Comment
  JEPS43798  Saxifraga californica Mrs. Mary Van E. Ferguson 1919-4-13 211 Napa near Atlas 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
  UCSB4655  Scandix pecten-veneris Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek about 3 miles east of Chiles Valley 304 Comment
  UCD73523  Schedonorus arundinaceus Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  SEINET10333154  Schoenoplectus acutus A. A. Beetle 1940-5-5 1586 Napa One mile north of County Line on road from Vallejo to Napa Comment
  CHSC114364  Scirpus microcarpus D. G. Kelch 2010-5-6 10 .163 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. 159 Comment
  JEPS63957  Scirpus microcarpus Willis L. Jepson 1893-6-26 21218 Napa Howell Mt. Napa Range, , Napa River Basin (Napa River Basin) Comment
  CAS-BOT-BC516411  Scoliopus bigelovii Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC240025  Scribneria bolanderi Peter H. Raven 1953-4-2 5243 Napa Hills e. of Imola 121 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
  JEPS110741  Scrophularia californica subsp. californica Jake Ruygt 2000-4-3 4228 Napa Henry Road, Carneros Valley. 167 Comment
  UC1713646  Scutellaria siphocampyloides Goff and Calvi 1936-5-1 Napa 5.5 mi from Napa (on Monticello Road up old wagon road 1/4 mi, (then left to on top of ridge near eucalyptus tree)); North Bay Counties Comment
  JEPS129095  Scutellaria tuberosa Jake Ruygt 2016-4-26 6208 Napa Amy's Grove, Dry Creek Road. Rutherford 7.5' Quad. Comment
  UCD164852  Sedella pumila Jake Ruygt 2012-4-21 5822 Napa Crystal Flats, west of Putah Creek. 222 Comment
  UCD102065  Sedum spathulifolium T. Adams 1998-5-17 24 Napa about 3.5 miles up Soda Canyon Road. 167 Comment
  UCD19298  Selaginella James French 1970-4-17 s.n. Napa State Hwy 121, 7 mi. NE of Napa. Comment
  CAS-BOT-BC69712  Selaginella wallacei John Thomas Howell 1930-3-23 4557 Napa E. of Mt. St. Helena Inn, near Mt. St. Helena. Comment
  CAS-BOT-BC366854  Selaginella wallacei Greg de Nevers; Steve Ehret 1998-2-16 11137 Napa Devil's Falls Comment
  SEINET3864327  Selaginella wallacei James French 1969-2-15 s.n. Napa 7 miles NE of Napa on State Highway 121.; 0 Comment
  UCR45099  Senecio clevelandii L. F. LaPre 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
  UCR80866  Senecio clevelandii G. Fred Hrusa 1993-10-3 11425 Napa 2.6 mi SW along Knoxville-Devilhead Rd. from Knoxvllle-Berryessa Rd. 488 Comment
  RSA273383  Senecio eurycephalus Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2348 Napa Along Morgan Valley Rd. ca 1.5 mi E of Lake Co. line Comment
  CAS-BOT-BC243632  Setaria pumila Peter H. Raven 1952-9-14 5184 Napa Napa State Game Farm 121 Comment
  CDA2460  Setaria verticillata Steve Bardessono 1958-11-1 1569 -58 Napa Orsoe property, Napa. 0 Comment
  JEPS50095  Sidalcea diploscypha W. L. Jepson 1938-5-22 18822 Napa Snell Valley Comment
  UC1198398  Sidalcea diploscypha J. P. Tracy 1899-6-14 381 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); head of Moore's Creek, Howell Mountain 365 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
  JEPS110707  Sidalcea hartwegii Jake Ruygt 1998-7-18 4099 Napa Bear Valley at pond. 646 Comment
  UC18889  Sidalcea hartwegii Willis L. Jepson 1893-5-9 Napa hills w Rutherford; Napa River Basin, hills w of Rutherford Comment
  JEPS50094  Sidalcea hartwegii W. L. Jepson with R. F. Hoover 1938-6-8 18890 Napa Lower portion of Butts Canyon Comment
  UC198240  Sidalcea hartwegii H. P. Chandler 1907-5-8 7567 Napa White Sulphur Spr. , White Sulphur Spr. (St. Helena) Comment
  JEPS50076  Sidalcea keckii W. L. Jepson 1920-5-25 9041 Napa Knoxville Ridge Knoxville Ridge (ne Napa Co.) Comment
  UCD170452  Sidalcea keckii Daniel Potter; Ninh Khuu 2016-6-8 881 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 562 Comment
  UCD49174  Sidalcea keckii Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Tom Liebmann 2001-4-28 8 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found on NW side of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft) NW of jct with S. Decker Canyon Rd. 237 Comment
  UC108877  Sidalcea oregana subsp. hydrophila T. S. Brandegee Aug. 1888 Napa Howell Mountain Comment
  UC18933  Sidalcea oregana subsp. hydrophila Willis L. Jepson 1893-9-24 Napa Angwin's Napa River Basin, Howell Mt., Angwin's (Howell Mt.) Comment
  JEPS50940  Silene antirrhina W. L. Jepson 1896-6-2 Napa St. Helena , St. Helena (Napa Valley) 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
  CAS-BOT-BC388145  Silene gallica Peter H. Raven 1952-6-28 4193 Napa Hennessey Lake 121 Comment
  JEPS106853  Silene multinervia Jake Ruygt 1997-6-22 3867 Napa Bismark Knob 640 Comment
  CAS-BOT-BC75287  Sisymbrium officinale Betty H. Johnson 1958-6-15 640 Napa 0.25 mile above Mt. Mill House, 6.4 miles southwest of Middletown. Comment
  HSC45337  Sisyrinchium bellum R. York 1978-4-8 107 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  RSA503179  Sisyrinchium bellum Gary D. Wallace 1967-5-27 770 Napa Northwest of St. Helena on Howell Moutain Road 2 miles west of Pacific Union College and Angwin Comment
  SEINET3876398  Sisyrinchium bellum J. F. Addicott 1965-3-19 6 Napa Dollarhide Road, 3.5 miles east of Pope Valley.; 0 183 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
  UCR179186  Sisyrinchium bellum L. P. Thibault 1995-5-19 43 Napa Coast Range, edge of Hwy 128 c. 0.5 mi. west of intersection of Lower Chiles Valley Rd. and west of Sage Creek 250 Comment
  UCD23394  Sisyrinchium bellum Alana Adams 1977-4-28 10 Napa Grassy meadow, partly shaded by oaks. 14.75 miles north of Barryessa Knoxville Rd. and Highway 128 intersection on Berryessa Knoxville Rd. 243 Comment
  UCD67945  Sisyrinchium bellum Sally Jue 1977-4-16 21 Napa Along Hwy. 128, 6.4 mi. SSW of Monticello Dam. 198 Comment
  UC26217  Solanum americanum Willis L. Jepson 1894-11-5 Napa Napa River Basin, St. Helina St. Helina; Napa River Basin, St. Helina Comment
  CDA5926  Solanum americanum J. T. Howell 1975-10-23 51510 Napa St. Helena. 0 Comment
  UCD21497  Solanum parishii Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4399 Napa Quail Ridge Reserve. 249 Comment
  CDA33362  Solanum rostratum Robin Breckenridge 2010-9-29 PDR# 5059104 Napa Lake Berryessa. 0 Comment
  UCD148992  Solanum rostratum R. Breckenridge 2010-9-29 PDR 505910 4 Napa Lake Berryessa. 145 Comment
  UC26232  Solanum tuberosum Willis L. Jepson 1893-6-24 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  UCD67494  Solanum xanti D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. Quercus wislizenii and Quercus douglasii woodland ; open spaces. 350 Comment
  UCD160791  Solidago Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8671 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
  JEPS106876  Solidago velutina subsp. californica Jake Ruygt 1990-7-14 2602 Napa Yountville Ecological Reserve, Napa River at Yount.Cross 28 Comment
  UCD41328  Sonchus asper Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 3 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, near steam and culvert that goes under road, 0.5 road miles from gate to old town of Knoxville. E side of Knoxville creek. 365 Comment
  JEPS2865 Image available Sparganium californicum Edward Lee Greene 1883-1 Napa Calistoga Comment
  CDA3446  Spergularia bocconi H. Stabo 1979-4-26 Napa Residence at 41 Magnolia, Calistoga. 0 Comment
  JEPS120393  Spergularia bocconi Jake Ruygt 1987-5-17 2004 Napa John F. Kennedy Park Comment
  JEPS106614  Spergularia marina Jake Ruygt 1987-7-29 2094 Napa Horseshoe Bend, Napa River 2 Comment
  SBBG4738  Sphaeralcea ambigua H. and M. Dearing 1939-4-9 3144 Napa Spring Mtn Grade Comment
  SEINET7073088  Stachys ajugoides var. rigida A. G. Vestal 1963-4-7 s.n. Napa Along the Silverado Trail about 3.8 miles north of Saint Helena. Coordinate datum WGS84/NAD83. (38? deg. 32' 38" North Latitude, -122? deg. 29' 21" West Longitude, UTM Zone 10, 544515mE, 4266093mN. Coordinate datum: NAD27). Comment
  UCD18388  Stachys albens Glen Holstein 1976-8-8 13 Napa west side of Hwy. 128, ca. 100m north of bridge over Capell Creek. 237 Comment
  CDA10868  Stachys rigida G. F. Hrusa, M. Rejmanek 1993-5-15 10963 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCLA85559  Stachys stebbinsii C. Epling, H. Lewis 1941-5-9 Napa 11.1 mi s St. Helena Comment
  UCD20829  Stellaria media N. Nicola 2001-3-30 045 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  CAS-BOT-BC386934  Stellaria media Elsa G. Ruckert 1960-2-20 2 Napa Dry Creek Road 365 Comment
  UCD161755  Stellaria nitens Jake Ruygt 1996-5-14 3693 Napa White Cliff Springs; Elder Valley; PG and E property to south. 402 Comment
  CAS-BOT-BC375247  Stephanomeria elata Peter H. Raven 1951-6-26 3057 Napa Wooden Valley Grade 304 Comment
  UC35828  Stephanomeria elata Willis L. Jepson 1893-9-23 Napa Upper Napa Valley, Napa River Basin. Comment
  CAS-BOT-BC375743  Stephanomeria virgata Peter H. Raven 1951-10-28 3950 Napa 1-3 mi. e. of Chiles [Chiles] Valley 304 Comment
  HSC100782  Stephanomeria virgata subsp. pleurocarpa Lowell Ahart 2009-10-12 16430 Napa Along W side of Capell Creek, N of rest area, 3/4 mi. SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd., 19 (air) mi. W of Winters. 133 Comment
  JEPS122972  Stipa lepida Jake Ruygt 1982-5-12 1243 Napa American Canyon Road, 0.7 mile east of Flosden Road. Quad: Cordelia. 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
  SEINET10893282  Stipa lepida David D. Keck 1931-4-2 Keck 1017 Napa Wooden Valley Grade, West side of Napa Range, 5 miles NE of Napa. Dry rocky openings in the chaparral. 170 Comment
  JEPS122968  Stipa pulchra Jake Ruygt 1983-3-26 1391 Napa 0.2 mile east of Conn Creek on Conn Valley Road. Quad: Saint Helena. 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
  JEPS126127  Streptanthus breweri Jake Ruygt 2010-7-5 5666 Napa East of White Point. Detert Reservoir 7.5' Qua. Comment
  JEPS129030  Streptanthus breweri Jake Ruygt 2015-6-13 6134 Napa Fernandes-Snell Peak, Land Trust. Aetna Spring 7.5' Quad. Comment
  UCD115954  Streptanthus breweri Robert E. Preston 1987-6-20 567 Napa 0.75 mile north of Round Corral in Big Basin. 268 Comment
  JEPS106608  Streptanthus breweri var. hesperidis Jake Ruygt 1979-6-9 682 Napa 21.1 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 512 Comment
  UC764867  Streptanthus breweri var. hesperidis R. F. Hoover 1938-6-11 3602 Napa Knoxville ridge Comment
  UCD160668  Streptanthus glandulosus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8742 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  UCSB2464  Streptanthus glandulosus Kamb, Peter; Chisaki, Francia 1950-4-22 Napa North side of canyon of Sage Creek about 3 miles east of Chiles Valley Comment
  POM197071  Streptanthus glandulosus L. F. Robbins 1927-4-15 s.n. Napa [no locality information provided] Comment
  SEINET5501528 Image available Streptanthus glandulosus Sally Walker 1983-5-26 Napa e side of Mt St Helena Napa co. Comment
  UC1063483  Streptanthus glandulosus subsp. glandulosus B. O. Schreiber 1938-4-24 2493 Napa 5.2 mi nne Napa; Napa Quadrangle, Wooden Valley Grade 274 Comment
Read comments
Jan 14 2009
  UCD116013  Streptanthus glandulosus subsp. glandulosus Robert E. Preston 1988-4-10 578 Napa 0.4 mile SW of the confluence of Putah and Hunting Creeks. 268 Comment
  UCD116018  Streptanthus glandulosus subsp. glandulosus Bill Wengeler 1995-4-30 s.n. Napa 2 miles north of Highway 128 along Knoxville Road. 183 Comment
  UCD74406  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1996-4-27 3636 b Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 384 Comment
  CAS-BOT-BC87330  Streptanthus hesperidis Roger Raiche 1986-5-5 60213 Napa Near Middletown, ca. 2 miles north on state route 29. 304 Comment
  JEPS82529  Streptanthus morrisonii Roger Raiche 1984-5-19 40155 Napa near Knoxville (off of Bureau of Land Management roads); Hunting Creek area Comment
  CAS-BOT-BC97740  Symphyotrichum chilense John Thomas Howell 1933-8-27 11627 Napa Sage Canyon, Napa Range Comment
  JEPS104532  Symphyotrichum spathulatum Jake Ruygt 1978-8-7 390 Napa .3 miles west of Big Ranch rd. on Oak Knoll Ave. 22 Comment
  JEPS40795  Symphyotrichum spathulatum Willis L. Jepson 1893-9-24 Napa Howell Mt. Comment
  UC29897  Symphyotrichum spathulatum Willis L. Jepson 1893-9-21 Napa Napa City Napa River Basin Comment
  UC521700  Symphyotrichum spathulatum Joseph Andorfer Ewan 1933-9-17 8000 Napa Napa Napa Valley Comment
  CAS-BOT-BC221920  Taeniatherum caput-medusae Peter H. Raven 1951-5-26 2878 Napa Butts Canon [Canyon] 304 Comment
  RSA129898  Taeniatherum caput-medusae P. H. Raven 1951-5-26 2878 Napa Butts Canyon. 305 Comment
  CAS-BOT-BC211569  Tamarix parviflora Peter H. Raven 1951-10-28 3952 Napa Along Eticuera Creek, c. 8 mi. se of Knoxville 304 Comment
  UCD107008  Taraxia ovata Richard Beaver 1965-5-1 148 Napa 5 miles south of St. Helena on State Highway 128. 45 Comment
  UC9679  Thalictrum fendleri var. polycarpum Willis L. Jepson 1894-5-1 Napa Upper Conn Valley Napa River Basin Comment
  UC9680  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-4-28 Napa gorge n Wooden Valley grade; Napa River Basin Comment
  UC1222478  Thermopsis californica var. californica Joseph P. Tracy 1949-4-22 18285 Napa brushy hillside by reservoir; Conn Valley 91 Comment
  UCD108615  Thermopsis californica var. californica B. Crampton 1953-3-24 1025 Napa Along Hwy. 128, about 10 miles east of Rutherford. Comment
  UCD39033  Thermopsis californica var. californica Beecher Crampton 1962-5-16 6419 Napa Chiles Valley, above Sage Creek. Comment
  CAS-BOT-BC66492  Thysanocarpus curvipes David D. Keck 1931-4-2 1035 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  CAS-BOT-BC66514  Thysanocarpus curvipes Saichi Kawahara 1968-4-20 341 Napa 2 miles south of Pope Valley, Pope Valley-Chiles Road. 259 Comment
  JEPS106593  Thysanocarpus curvipes Jake Ruygt 1996-4-10 3574 Napa Drainage south of Milliken Peak. 167 Comment
  JEPS54167  Thysanocarpus curvipes W. L. Jepson 1897-5-2 30 f Napa St. Helena Comment
  RSA696362  Thysanocarpus curvipes Keith E. Hoffmaster 1946-3-23 1059 Napa Napa range, along Napa-Monticello road Comment
  UC11032  Thysanocarpus curvipes W. L. Jepson 1893-4-25 Napa St. Helena Comment
  RSA0057573  Thysanocarpus curvipes David D. Keck 1931-4-2 1035 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  UC11003  Thysanocarpus curvipes Willis L. Jepson 1893-4-24 30 C Napa hills e St. Helena; e of St. Helena Comment
  UCD35559  Thysanocarpus curvipes Beecher Crampton 1958-4-22 4739 Napa State Highway 128, Markley Canyon, Vaca Mountains. Comment
  CAS-BOT-BC66949  Thysanocarpus laciniatus John Thomas Howell 1926-3-20 1693 Napa Near Calistoga. Comment
  CAS-BOT-BC66963  Thysanocarpus laciniatus Peter H. Raven 1953-5-2 5398 Napa Summit of hills due east of Yountville. 304 Comment
  UCD74412  Thysanocarpus laciniatus Jake Ruygt 2003-4-22 4506 Napa About 2 miles north of Mays Flat near the top of the Blue Ridge. 731 Comment
  CAS-BOT-BC67314  Thysanocarpus radians Mrs. Clara Hunt 1921-4-1 s.n. Napa Saint Helena. Comment
  RSA0049961  Thysanocarpus radians D. D. Keck 1931-4-2 1046 Napa 4 miles S. of Monticello, eastern Napa County. 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
  UCD159916  Torilis arvensis Alice Warrick 2007-5-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UC1004707  Torreya californica J. M. Tucker 1954-4-22 2699 Napa 1 mi n of summit of road Mt. St. Helena (beside Highway 29, e side of Mt. St. Helena) Comment
  UCD110461  Toxicoscordion Christopher Mallek 2008-1 KX1- 7 -a Napa Knoxville. 593 Comment
  UCD48799  Toxicoscordion fremontii A. Collier; D. Caterson and S. Kenady 2002-5-4 16 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Along upper road leading to power lines. 335 Comment
  UCD83744  Tragopogon porrifolius Ellen Dean; Yuan-chun Han, Surene Foutouhi 2010-5-7 5993 Napa Along Wooden Valley Road; E side of the road; Lamb Vineyard property. 219 Comment
  UC127171  Trichostema lanceolatum Harley P. Chandler Sep 7-14 1906 7136 Napa Alta Loma Ranch Howell Mountain 304 Comment
  UCD67610  Trichostema laxum D. Sanchez-Mata 1996-7-15 s.n. Napa Winters-Napa. Capell Valley. Serpentine plant communities near the stream in Capell Creek. 250 Comment
  UCR45100  Trichostema laxum 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
  UCD125870  Trichostema laxum D. H. Hartmann 1941-8-19 s.n. Napa Putah Creek, Putah Canyon. Comment
  JEPS120351  Trichostema ruygtii Jake Ruygt 2004-8-14 4644 Napa Northwest of Buzzards Roots, north end of Stags Leap. Yountville 7.5' Quad. Comment
  UCD166646  Trichostema ruygtii Jake Ruygt 1998-8-15 4105 Napa Atlas Peak Road, Mead Ranch. 487 Comment
  UC22514  Trientalis latifolia Willis L. Jepson 1893-5-8 Napa Napa River Basin, Howell Mountain, New Eden New Eden; Napa River Basin, Howell Mountain, New Eden Comment
  UC1925880  Trifolium Ethel Crum 1931-1 1056 Napa Pope Valley Comment
  JEPS126091  Trifolium albopurpureum Jake Ruygt 1995-4-29 3451 Napa Skyline Park, Sugarloaf Peak Trail. Mount George 7.5' Qua. Comment
  JEPS106692  Trifolium albopurpureum var. olivaceum Jake Ruygt 1996-4-12 3602 Napa Blue Ridge, north of Monticello Dam. 609 Comment
  JEPS126124  Trifolium angustifolium Jake Ruygt 2009-5-18 5408 Napa American Canyon Road, near Highway 80; north side of road. Cordelia 7.5' Qua. Comment
  UCD107886  Trifolium bifidum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  JEPS65760  Trifolium bifidum var. bifidum E. K. Crum 1931-4-17 1055 c Napa 1/2 mi n P. O.; Pope Valley Comment
  CHSC83410  Trifolium bifidum var. decipiens L. P. Janeway; B. Castro 2002-5-12 7535 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  UCD83438  Trifolium bifidum var. decipiens Jake Ruygt 2005-5-6 4815 Napa Newell Canyon Open Space; near Napa/Solano County line. 283 Comment
  JEPS129098  Trifolium ciliolatum Jake Ruygt 2016-4-30 6218 Napa Smitty Ranch, east side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UC16484  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-4-26 Napa La Lomita Comment
  UC555402  Trifolium depauperatum var. depauperatum H. L. Mason 1928-4-13 4336 Napa near spring (Reili School) Comment
  JEPS106828  Trifolium depauperatum var. hydrophilum Jake Ruygt 1982-4-29 1215 Napa Suscol plain between Rocktram and HWY 29 (221) 1 Comment
  JEPS106829  Trifolium depauperatum var. hydrophilum Jake Ruygt 1996-4-11 3593 Napa Calistoga Airport 105 Comment
  RSA91082  Trifolium depauperatum var. truncatum J. T. Howell 1931-4-4 6172 Napa Upper Napa Valley at Big Geyser Comment
  SEINET3131839  Trifolium dichotomum L. S. Rose 1935-4-18 35100 Napa Steel Canyon Comment
  JEPS65876  Trifolium fucatum W. L. Jepson 1915-4-23 6256 Napa Conn Valley Comment
  UCD35289  Trifolium fucatum Beecher Crampton 1955-4-7 2435 Napa 7.8 miles north of Monticello. Comment
  UCD83447  Trifolium gracilentum Jake Ruygt 1998-3-29 3899 Napa Suscol Ridge overlooking Jameson Canyon. 158 Comment
  UCD48019  Trifolium hirtum Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 33 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCD48982  Trifolium hirtum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. on W-facing slope 2400 as the crow flies ft. NW of the jct of West Rd. and South Decker Canyon Rd. Comment
  UCD111240  Trifolium incarnatum David Slade 1982-4-22 37 Napa Pleasant Valley Road 1.2 mi. w. Highway 128, roadside. 30 Comment
  JEPS106751  Trifolium microcephalum Jake Ruygt 1978-5-13 302 Napa north of Suscol Hill, west of HWY 29 (221) 7 Comment
  UC80349  Trifolium microcephalum C. F. Baker 1903-4-19 1994 Napa Calistoga Comment
  UCD48986  Trifolium microcephalum Kook-Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 8 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
  JEPS65981  Trifolium microcephalum W. L. Jepson 1938-5-20 18803 Napa above St. Helena Sanitarium (above vineyard of John Ballentine); Howell Mtn Comment
  JEPS129046  Trifolium obtusiflorum Jake Ruygt 2016-6-11 6283 Napa Smittle Creek, east side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  RSA313540  Trifolium obtusiflorum P. B. Kennedy 1929-5-23 10287 Napa Moore Creek, region of Mt. Howell, Napa Range. Comment
  JEPS106715  Trifolium oliganthum Jake Ruygt 1992-4-4 2884 Napa Scott's Flat, Aetna Mine Rd. 505 Comment
  UC165588  Trifolium oliganthum H. P. Chandler 1907-4-21 7524 Napa Napa Co. side of summit Comment
  JEPS106810 Image available Trifolium striatum Jake Ruygt 1993-5-8 3254 Napa Mead Ranch in large meadow NW of horse track 486 Comment
  JEPS106718  Trifolium variegatum Jake Ruygt 1978-4-9 273 b Napa 2.2 miles NW of Dealy Lane on Henry Rd. 97 Comment
  UCD109419  Trifolium variegatum Helen K. Sharsmith 1963-4-20 5329 Napa Kelly Road, 4 miles south of Napa. 45 Comment
  UCD109432  Trifolium variegatum R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  UCD83433  Trifolium variegatum Jake Ruygt 2002-5-25 4427 Napa Devil's Canyon, Archer Taylor Preserve. 536 Comment
  JEPS106719  Trifolium variegatum var. major Jake Ruygt 1982-5-8 1230 Napa north side of American Canyon 85 Comment
  UC1197559  Trifolium variegatum var. melananthum Joseph P. Tracy 1902-5-26 1634 Napa near Calistoga; Napa Valley 91 Comment
  UC160947  Trifolium variegatum var. melananthum Joseph P. Tracy 1902-5-26 1633 Napa near Calistoga; Napa Valley 91 Comment
  JEPS106720  Trifolium variegatum var. pauciflorum Jake Ruygt 1982-5-26 1297 Napa Craters region south of Robert Louis Stevenson Sate Park 762 Comment
  UC1300877  Trifolium variegatum var. variegatum Helen K. Sharsmith 1963-4-20 5329 Napa 4 mi s Napa (off of Kelly Rd) Comment
  UCR23914  Trifolium virescens John C. Roos 1939-4-15 279 Napa North Coast Range, Pope Valley, [near] Pacific Union College, Angwin 240 Comment
  JEPS4171  Trifolium willdenovii W. L. Jepson 1936-7-2 17645 Napa Angwin Napa Range, Howell Mtn Comment
  UC424856  Trifolium willdenovii Milo S. Baker Apr 15 1929-Apr 26 1929 3566 a Napa near Calistoga (Geyser) Comment
  UCD160013  Trifolium willdenovii James A. Neilson Jr. 1975-4-13 3138 Napa Soda Canyon Road. (Exact location unknown. Elevation and coordinates estimated by label maker.) 457 Comment
  UCD49034  Trifolium willdenovii A. Van Houtte; E. Leger and C. Hohn 2001-4-14 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, on W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope from ruined cabins. 152 Comment
  JEPS4399  Trifolium willdenovii W. L. Jepson 1913-4-15 5304 Napa Howell Mountain, Napa Range Comment
  UC764691  Trifolium wormskioldii R. F. Hoover 1941-5-10 5008 Napa betw Saint Helena and Calistoga Comment
  UC504873  Trillium albidum R. M. Holman 1933-4-12 Napa near Mt. Veeder Mt. Veeder Comment
  UC429263  Trillium albidum unknown Apr. 1897 554 S Napa woods near Napa City Napa City Comment
  CAS-BOT-BC521017  Trillium chloropetalum var. giganteum Clara Hunt 1921-4-1 s. n. Napa St. Helena Comment
  CAS-BOT-BC133384  Trillium ovatum Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  JEPS106581  Triodanis biflora Jake Ruygt 1996-5-14 3690 Napa White Cliff Springs; Elder Valley; (Sabini property). 347 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
  HSC20847  Triphysaria eriantha subsp. eriantha Greg Bos 1963-3-24 45 Napa NW end of Lake Barryesa at Putah Creek 168 Comment
  JEPS110674  Triphysaria pusilla Jake Ruygt 1981-4-27 1006 Napa Milton Rd. west of yacht club 0 Comment
  JEPS110677  Triphysaria versicolor subsp. faucibarbata Jake Ruygt 1978-4-30 282 Napa .1 mile south of Oak Knoll Ave. on Silverado Trail 19 Comment
  JEPS129112  Triphysaria versicolor subsp. faucibarbata Jake Ruygt 2015-5-19 6104 Napa Atlas Peak Road Circle R (S) Ranch. Yountville 7.5' Quad. Comment
  UCD123416  Triphysaria versicolor subsp. faucibarbata Gerald D. Carr; R. F. Denno 1971-5-13 546 Napa 1.5 miles northwest of Pope Valley on Pope Valley Road. Comment
  UCD123421  Triphysaria versicolor subsp. faucibarbata L. P. Thibault 1995-6-2 59 Napa West side of Lower Chiles Road. 0.25 miles northwest of Highway 128. 300 Comment
  JEPS17095  Triphysaria versicolor subsp. faucibarbata Rimo Bacigalupi with John Dawson 1955-4-25 4840 Napa 4 mi s Napa State Hospital [Imola] (field 1/2 mi n of the Napa Y, State Highway No. 29 [junction of Jameson Canyon Road and State 29]); junction of Jameson Canyon road and State 29 19 Comment
  UC1334877  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-18 417 Napa on West Imola Avenue 1 mi w State Highway #12 and 29 Comment
  UC27200  Triphysaria versicolor subsp. faucibarbata Willis L. Jepson 1893-4-27 Napa Napa City; Napa River Basin Comment
  UCD93501  Trisetum canescens Beecher Crampton 1956-5-25 3455 Napa Head of Markley Canyon. Vaca Mtns. Comment
  UCR24352  Trisetum canescens John C. Roos 1939-5-7 297 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  UCD139374  Triteleia laxa M. Sidells 1996-4-27 18 Napa on side of Route 128, 2 miles east of Lake Berryessa. 200 Comment
  UCD139378  Triteleia laxa J. Buck 1996-6-2 26 Napa along Highway 128 at intersection of Berryessa Knoxville Road. 48 Comment
  SEINET8506566  Triteleia laxa C. M. Fryer 1948-5-9 13 Napa 17 miles N of Monticello. Comment
  UC3311  Triteleia laxa Willis L. Jepson 1893-4-24 Napa hills e St. Helena; Napa River Basin Comment
  UCD16047  Triteleia laxa C. L. Hallock; C. Kennedy, L Condon, N. Strahan, R. Flannery 2000-4-22 13 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 from bulb, 2-6 dm tall, flowers lavendar. Comment
  JEPS110927  Triteleia lugens Jake Ruygt 1999-5-22 4168 Napa Livermore Ranch on road south of White Point. 819 Comment
  CAS-BOT-BC526813  Triteleia lugens Peter H. Raven 1952-5-26 4048 Napa Howell Mt. 426 Comment
  JEPS110924  Triteleia peduncularis Jake Ruygt 1996-6-15 3744 Napa White Cliff Springs, above Soda Valley (Soda Spring) 320 Comment
  UC1278003  Triteleia peduncularis B. Crampton 1957-6-4 4104 Napa above Capell Creek (n end of Capell Valley); , n end Capell Valley 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
  UCD167447  Triteleia peduncularis James A. Neilson Jr. 1979-5-25 3972 Napa 1/4 mi south old Knoxville store. (Neilson's notebook says 200 yards south of Knoxville Store, while notes on specimen say 1/4 mile south of old Knoxville store. Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR261724  Triteleia peduncularis Ann Howald 2003-5-23 2340 A Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 190 Comment
  CAS-BOT-BC527962  Triteleia peduncularis B. Crampton 1957-6-4 4104 Napa Slopes above Capell Creek, north end of Capell Valley Comment
  CDA15405  Umbellularia californica G. F. Hrusa 1997-2-3 13618 Napa North Coast Biodiversity Arena; Slopes on SW margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam ~1/2 mi. Comment
  HSC24895  Umbellularia californica J. P. Smith, J. O. Sawyer 1972-2-20 5069 Napa Hwy. 128 W of Lake Hennessey Comment
  RSA15671  Umbellularia californica C. B. Wolf 1928-2-25 1500 Napa Summit of Mt. St. Helena grade, at Mt. St. Helena Inn. Comment
  RSA187424  Umbellularia californica John H. Thomas 1966-3-22 11530 Napa R. L. Stevenson State Park on the eastern slopes of Mt. St. Helena along highway 29 between Middletown and Calistoga. 762 Comment
  UC483307  Umbellularia californica Ira L. Wiggins 1932-3-12 5754 Napa 1 mi n of Calistoga (North Fork of Napa River); North Fork of Napa River Comment
  UC9874  Umbellularia californica Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  UCD162094  Umbellularia californica Dylan O. Burge 2014-3-15 1491 Napa Mount Saint Helena. 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
  CAS-BOT-BC381969  Uropappus lindleyi Belle Richardson Jackson 1938-5-29 s.n. Napa Road to Mt. Atlas, Napa Valley Comment
  CAS-BOT-BC404185  Urtica dioica subsp. holosericea Peter H. Raven 1952-6-28 4208 Napa Conn Cr. below Dam 121 Comment
  CAS-BOT-BC404292  Urtica urens Peter H. Raven 1953-4-2 5298 Napa Hills just e. of Imola 60 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
  CLARK-A1528-4322  Verbascum blattaria John C. Roos 1938-10-22 265 Napa Comment
  JEPS11197  Verbascum thapsus W. L. Jepson 1930-10-19 15706 Napa bed of Conn Creek at mouth of Sage Canyon (Napa Valley); , bed of Conn Creek at mouth Sage Canyon Comment
  JEPS7874  Veronica arvensis H. P. Chandler 1907-5-12 24 Napa St. Helena, White Sulphur Springs White Sulphur Springs; St. Helena, White Sulphur Springs Comment
  CHSC102275  Veronica catenata Lowell Ahart 2009-10-12 16452 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
  JEPS110605  Veronica catenata Jake Ruygt 2004-6-12 4616 Napa 3/4 mi E of Blue Monday Mine 335 Comment
  RSA756844  Veronica catenata Barbara Ertter, Elizabeth Neese 1988-10-2 7952 Napa Lake Hennessey about 15 air miles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on north side of Route 128 91 Comment
  UCD108690  Vicia americana subsp. americana K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  UCD83428  Vicia americana subsp. americana Jake Ruygt 1995-5-8 3476 Napa Taylor Property, 1.5 mi S of boatramp on Sage Canyon Rd. 402 Comment
  JEPS66153  Vicia americana var. americana Willis L. Jepson 1893-4-26 13609 Napa Oakville; Napa River Basin Comment
  CDA12103  Vicia benghalensis G. F. Hrusa 1989-4-24 5964 Napa North Coast Biodiversity Aren