Search Results — 2000 specimen records retrieved (1461 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-BC331523  Acer macrophyllum Elsa G. Ruckert 1960-4-24 114 Napa 6495 Dry Creek Road, at gate 365 Comment
  RSA298948  Acer macrophyllum Edward Lee 1936-3-15 1805 Napa Rutherford, Pope Valley Road, 3/4 mile out of Rutherford 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
  UC18115  Acer macrophyllum W. H. Brewer 1862-8-4 1316 Napa at Camp 84 Rag Canyon; Rag Canyon near Putah Creek, Napa Co., Camp 84 Comment
  UCD32973  Acer macrophyllum Beecher Crampton 1965-8-23 7492 Napa Napa County, 2.5 miles east of Moskowite Corners, State Hwy. 128. Comment
  SEINET12766395  Acer macrophyllum Beecher Crampton 1965-8-23 7492 Napa 2.5 miles east of Moskowite Corners, State Hwy 128.; 0 Comment
  CAS-BOT-BC28636  Achillea millefolium E. Ruckert 1960-5-1 136 Napa 6495 Dry Creek Road, upper field south of house above water reservoir 381 Comment
  UCD164483  Achillea millefolium J. A. Johnston 1995-5-7 11 Napa Next to Hwy 128 approximately, 0.5 miles west of Markley Cover on Lake Berryessa. 1000 Comment
  RSA0045564  Achillea millefolium subsp. lanulosa Keith E. Hoffmaster 1946-3-23 s.n. Napa Napa range, along Napa-Monticello road Comment
  JEPS86592  Achnatherum lemmonii L. R. Heckard with Jake Ruygt 1987-5-10 6662 Napa 6.5 mi up from Monticello Rd., Napa (CA Hwy 121) (along Atlas Peak Rd.) Comment
  RSA424737  Achyrachaena mollis Aaron Liston 1987-4-25 661 -2 Napa NE side of Lake Hennessey, Conn Valley Road. Comment
  SBBG3379  Acmispon americanus J. M. Tucker 1941-9-20 393 Napa Putah Cyn, Vaca Range Comment
  UCD75713  Acmispon americanus var. americanus Jake Ruygt 1986-7-12 1875 Napa Napa River, south of confluence withTulocay Cr. 1 Comment
  UCD47970  Acmispon brachycarpus M. Carson; A. Haselby, J. Howard, P. Mayers 2000-4-29 5 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  SEINET5327425  Acmispon brachycarpus M. J. Williams 1967-5-7 s.n. Napa Howell Mtn. Between St. Helena and Angwin 198 Comment
  UCD75714  Acmispon grandiflorus var. grandiflorus Jake Ruygt 2005-6-1 4886 Napa Blue Ridge, about 1 mile north of Mays Flat. 716 Comment
  UCD75715  Acmispon grandiflorus var. grandiflorus Jake Ruygt 1989-5-20 2339 Napa About 1 mile north of Mt. Vaca. 804 Comment
  UCD81831  Acmispon parviflorus Ellen Dean 2009-4-24 5461 Napa Property at 600 Petrified Forest Road. 170 Comment
  UCD161688  Acmispon wrangelianus Jake Ruygt 2009-4-8 5395 Napa north side of American Canyon, west of Highway 80. 158 Comment
  JEPS44791  Adenostoma fasciculatum W. L. Jepson 1904-6-3 2448 Napa Howell Mt. Comment
  JEPS44804  Adenostoma fasciculatum W. L. Jepson 1896-6-2 Napa near St. Helena; Napa Valley Comment
  UCD118633  Adenostoma fasciculatum Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and just north of Recreation Flat, on south facing slope. 389 Comment
  UCD159946  Adenostoma fasciculatum Alice Warrick 2008-4-22 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section. 243 Comment
  CDA11619  Adiantum aleuticum G. F. Hrusa, G. L. Stebbins 1994-3-11 11591 Napa North Coast Biodiversity Arena; Las Posadas State Forest, in upper canyon of Moore Creek. Comment
  SEINET265721 Image available Adiantum jordanii Royal D. Suttkus 1967-6-26 67- 30 -33 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UCD137227  Adiantum jordanii M. Sidells 1996-4-13 8 Napa Lake Bereyessa. 280 Comment
  JEPS40091  Aesculus californica W. L. Jepson Nov 29 1907-Nov 30 1907 2970 a Napa St. Helena Comment
  POM255858  Aesculus californica Marion Ownbey, Ruth Ownbey 1938-7-9 1701 Napa 6 miles northeast of Napa. Comment
  UCD19342  Agoseris grandiflora M. A. Bibbo; E. Dean 2001-7-6 35 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 2.6 air miles from jct. with S Decker canyon rd. In dry creek drainage just W of rd. 228 Comment
  CAS-BOT-BC29641  Agoseris grandiflora var. grandiflora Alice Eastwood; J. T. Howell 1938-5-15 5523 Napa Mt .St. Helena, south side Comment
  JEPS104519  Agoseris heterophylla Jake Ruygt 1978-5-21 330 Napa 4.5 NE of Sage Canyon Rd. on Chiles-Pope Valley Rd. 259 Comment
  JEPS104520  Agoseris heterophylla Jake Ruygt 1981-4-25 1002 Napa Table Mountain 621 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
  UCD69026  Agoseris heterophylla P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. On serpentine rocks. UTM: 10SEN6659 155 Comment
  JEPS36282  Agoseris heterophylla var. cryptopleura W. L. Jepson 1920-5-25 9043 Napa Knoxville Ridge 670 Comment
  JEPS104500  Agoseris retrorsa Jake Ruygt 1989-4-22 2269 Napa East of Highway 121 on Highway 128 (marker 26.81) Capell Valley 7.5' Quad. Comment
  CAS-BOT-BC127450  Agrostis elliottiana J. P. Tracy 1902-5-19 1552 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles east of Angwin's. 518 Comment
  UC1103390  Agrostis elliottiana Joseph P. Tracy 1933-4-30 12109 Napa head Moore's Creek (3-4 mi e of Angwin's, Howell Mountain, La Jota Plateau); Northern Coast Ranges, Howell Mt., head Moore's Creek 518 Comment
  CAS-BOT-BC127137  Agrostis exarata Peter H. Raven 1951-10-28 3926 Napa Conn Valley. 152 Comment
  CAS-BOT-BC127138  Agrostis exarata Beecher Crampton 1957-6-4 4105 Napa Above Capell Creek, north end of Capell Valley. Comment
  JEPS123024  Agrostis exarata Jake Ruygt 1992-5-20 2988 Napa West of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mount George. Comment
  UC1145057  Agrostis exarata Joseph P. Tracy 1938-6-6 15846 Napa between Napa City and Yountville; Napa Valley 30 Comment
  UCD37406  Agrostis exarata Beecher Crampton 1960-5-17 5536 Napa Napa County, 4 miles east of Rutherford. Comment
  SEINET10843464  Agrostis foliosa Joseph P. Tracy 1905-7-5 Tracy 2210 Napa Howell Mountain, on hills at head of Moore's creek, 3.4 miles E of Angwin's. Comment
  UCD52553  Agrostis hallii var. pringlei P. B. Kennedy Date Unknown s.n. Napa 8 miles from Santa Rosa, Calistoga. Comment
  CHSC79389  Agrostis microphylla Beecher Crampton 1956-4-26 3303 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UC1103385  Agrostis microphylla Joseph P. Tracy 1899-7-5 344 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mt., head Moore's Creek 365 Comment
  UCD53041  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  UCR146401  Agrostis microphylla Beecher Crampton 1954-6-25 2012 Napa Napa Valley, 3 miles south of Calistoga 99 Comment
  UCD36593  Agrostis microphylla var. intermedia Beecher Crampton 1955-5-9 2749 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  CAS-BOT-BC139013  Agrostis pallens Joseph P. Tracy 1904-5-23 2093 Napa Northern Coast Ranges. 243 Comment
  JEPS76289  Agrostis pallens W. L. Jepson 1944-7-30 27541 Napa Four Corners Napa Valley, Howell Mt. Comment
  UCD95693  Agrostis pallens Ellen Dean, Clare Loughran; with Clare Loughran 2011-5-20 7039 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 599 Comment
  RSA92953  Agrostis stolonifera P. H. Raven 1951-6-26 3049 Napa E. of Napa on Monticello Rd. 61 Comment
  CAS-BOT-BC461084  Allium amplectens M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC461085  Allium amplectens Lester Rowntree 1938-5-16 s.n. Napa Alta Peack [Atlas Peak?], near Napa Comment
  CAS-BOT-BC461092  Allium amplectens David D. Keck 1933-5-29 2365 Napa Pope Creek bridge south of Walters Springs Comment
  SEINET12044090  Allium amplectens M. S. Jussel 1937-1 s.n. Napa Palisades Comment
  CAS-BOT-BC471257  Allium falcifolium V. Handley 2015-4-25 41 Napa Knoxville BLM: 2.5 km from Devilhead Road. On slope above OHV track, originating at S end of Hunting Creek Campground, 50 m S of Hunting Creek 450 Comment
  HSC81861  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 1980-5-3 5152 Napa W side of Butts Canyon Rd. at junction with private rd. 244 Comment
  JEPS47613  Allium falcifolium Rachael Wilcox 1944-5-9 Napa Conn Valley Comment
  RSA3283  Allium falcifolium David D. Keck 1931-4-3 1071 Napa Near Walter Springs, Pope Creek Canyon, 5 1/2 miles east of Pope Valley. Comment
  UCD48253  Allium falcifolium Michele Disney; J. Westbrook,S. Ratay,R. Wolfson,A. Houser,S. Wathen 2000-4-22 30 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles sout of Berryessa-Knoxville Rd. 533 Comment
  UCD48255  Allium falcifolium A. Laffin; A. Randall, S. Holck 2002-4-13 3 Napa Napa Co, McLaughlin UC Reserve. North of Knoxville-Berryessa Road. Ca. 0.5 airline mile WSW of old town Knoxville. Volcanic rocky outcrop, ca. 100 yards upslope of road. 437 Comment
  CAS-BOT-BC469026  Allium falcifolium John Morrison; Annetta Carter 1938-4-24 1355 Napa 0.6 miles west of Knoxville on road from Monticello to Lower Lake. Comment
  SEINET3884605  Allium falcifolium D. W. McNeal 1992-4-25 3878 Napa On disturbed hillside above the Knoxville-Berryessa Rd., 1.8 mi S. of the Lake Co. line.; 0 Comment
  UC353887  Allium falcifolium Milo S. Baker 1927-5-1 2147 a Napa Calistoga-Middletown Hiway 3 or 4 mi n Toll House Comment
  UCD161515  Allium falcifolium Jake Ruygt 1990-4-8 2472 Napa White Creek, Wild Horse Valley Ranch. 408 Comment
  CAS-BOT-BC472784  Allium neapolitanum Peter H. Raven 1957-5-5 10786 Napa Calistoga 91 Comment
  JEPS110934  Allium serra Jake Ruygt 1986-3-22 1661 Napa Monticello Dam 146 Comment
  UCD170359  Allium serra Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 858 Napa Knoxville Wildlife Area, north of Nevada Creek. 480 Comment
  UCD48257  Allium serra Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 3 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  JEPS122717  Allium triquetrum Jake Ruygt 1984-4-28 1533 Napa 0.2 mile south of end of Redwood Road. Quad: Sonoma. Comment
  JEPS56392  Allium unifolium Willis L. Jepson 1894-5-1 20986 Napa Conn Valley Napa Range, Conn Valley Comment
  UCD148579  Allium vineale Jake Ruygt 1986-6-20 1826 Napa Napa County; between Tulocay Creek and Imola Ave. 3 Comment
  JEPS123019  Alopecurus saccatus Jake Ruygt 1996-5-13 3664 Napa 0.9 mile south of Pope Canyon Road on Hardin Road. Quad: Saint Helena. Comment
  UCD148561  Amaranthus californicus Jake Ruygt 1987-10-12 2098 Napa Napa County; Sage Canyon Rd., near edge of Lake Hennessey. 91 Comment
  JEPS115744  Amaranthus retroflexus Lowell Ahart 2009-10-12 16471 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
  CAS-BOT-BC45031  Ambrosia psilostachya David D. Keck 1933-11-10 2723 Napa 5 mi S of Napa, along highway to Vallejo Comment
  CHSC79352  Amelanchier alnifolia Beecher Crampton 1966-5-10 7716 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  UCD39199  Amelanchier alnifolia Beecher Crampton 1953-5-19 1306 Napa 12 miles east of Rutherford, Highway 128. Comment
Read comments
Jun 12 2012
  CAS-BOT-BC136740  Amelanchier utahensis Clara A. Hunt 1923-1-1 s.n. Napa Near St. Helena Comment
  UC1127815  Amelanchier utahensis B. Schreiber 1936-3-5 2207 Napa 0.3 mi wsw Petrified Forest; Calistoga Quad. 274 Comment
Read comments
Jun 12 2012
  UC2061508  Ammi majus Dean G. Kelch 2016-7-9 16 .151 Napa Napa Valley: Yountville. Along creek east of city buildings. Comment
  CDA27223  Ampelodesmos mauritanicus G. F. Hrusa 1998-11-29 14907 a Napa Along Old Toll Rd near Hwy 29 intersection. Sheet 2 of 2. Comment
  JEPS123020  Ampelodesmos mauritanicus Jake Ruygt 1993-11-29 3293 Napa Approximate 2.5 miles NE of Silverado Trail on Lawly Toll Road. Quad: Detert Reservoir. Comment
  UC24614  Amsinckia W. L. Jepson 1893-4-26 Napa Rutherford; Napa River Basin Comment
  JEPS126073  Amsinckia eastwoodiae Jake Ruygt 1982-3-26 1146 Napa East of Rocktram, west of Highway 221. Napa 7.5' Quad. Comment
  UC1191080  Amsinckia eastwoodiae H. E. Parks April 1952 44 Napa near Calistoga (foot of Mount St. Helena); Mount St. Helena 152 Comment
  UC703180  Amsinckia intermedia John Thomas Howell 1941-4-5 16169 Napa about 1 mi sw Calistoga Comment
  UCD119266  Amsinckia intermedia Mary N. Artist 1965-3-19 7 Napa 3.5 miles E of Pope Valley. Comment
  UCD169886  Amsinckia intermedia Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 725 Napa Knoxville Wildlife Area. 352 Comment
  UCD18086  Amsinckia intermedia Ellen Dean; with PLB 102 class 2000-4-22 642 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  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
  UCD74365  Amsinckia lunaris Jake Ruygt 1977-3-6 137 Napa Low elevation east of Basalt Rock Co. 213 Comment
  JEPS126114  Amsinckia menziesii Jake Ruygt 1992-4-7 2893 Napa Southwest corner of Tuteur Ranch, end Green Valley Road. Mount George 7.5' Qua. Comment
  UCD161231  Amsinckia menziesii Jake Ruygt 2005-3-28 4730 Napa near Knoxville Wildlife Area. (Coordinates estimated by label maker at UC Davis). 292 Comment
  UCD161576  Amsinckia menziesii Jake Ruygt 2007-3-29 5128 Napa Rector Creek, west of State Lane (Caymus Avenue). 42 Comment
  JEPS112621  Anagallis arvensis Jake Ruygt 1976-5-31 107 Napa .3 mile east of Hillcrest Dr. on Westgate Drive 79 Comment
  UCD147532  Anagallis arvensis Ellen Dean; Diana Hickson 2014-4-29 8086 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD160336  Anagallis arvensis Nellie Coffey 1931-3-29 s.n. Napa Chiles Valley. Comment
  UCD18486  Anagallis arvensis P. J. Plummer 1995-5-27 s.n. Napa off Hwy 128. 335 Comment
  UCD20819  Anagallis arvensis N. Nicola 2001-3-29 035 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve. Lat/long is estimate. Comment
  UCD48077  Anagallis arvensis Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 29 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 640 Comment
  UCD49110  Anagallis arvensis L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 20 Napa SW end of Lake Berryessa, Quail Ridge Reserve, on slope N of North Decker Canyon Rd., 70-100 ft. N of stream. 182 Comment
  CHSC108729  Ancistrocarphus filagineus B. Castro; L. P. Janeway 2002-5-12 1371 B Napa Inner North Coast Ranges. CA 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. 536 Comment
  UC165851  Ancistrocarphus filagineus J. P. Tracy 1902-5-15 1457 Napa 3 to 4 mi e, (head of Moore's Creek) Angwin's; Howell Mt., Moore's Creek 457 Comment
  UCD47899  Ancistrocarphus filagineus R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 13 Napa Northern Napa County, McLaughlin Reserve, on east facing slope of first hill northwest of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 426 Comment
  POM182719  Ancistrocarphus filagineus D. D. Keck 1931-4-3 1068 Napa Pope Creek Canyon, 8 miles NW of Monticello Comment
  UCD20919  Angelica californica V. (Shorty) Boucher 2002-4-11 10 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Ashley Easement Rd. (West Rd), at base of road closed with brush pile. About 700 ft NW of locality of Dean 730 (Nasella pulchra), which is ca. 2400 airline feet NW of the junction of West Rd and South Decker Canyon Rd. Coordinates are for the Dean 730 locality. 274 Comment
  UCD127214  Angelica californica Tom Persico 1971-5-15 19 Napa Monticello Dam at Lake Berryessa. 152 Comment
  UCD127215  Angelica californica David Springer 1971-5-24 24 Napa 2 miles southwest of Monticello Dam. 91 Comment
  UCD38975  Angelica californica Beecher Crampton 1961-6-12 5907 Napa 8 miles northeast Napa along State Hwy. 37, Howell Mountains. Comment
Read comments
Jun 12 2007
  JEPS16006  Angelica tomentosa W. L. Jepson Dec. 1897 13483 Napa St. Helena Comment
  JEPS15908 Image available Angelica tomentosa W. L. Jepson 1895-8-30 13484 Napa near Calistoga; ; Near Calistoga, upper Napa Valley Comment
  UC20807  Angelica tomentosa Willis L. Jepson 1893-9-24 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  JEPS106552  Anisocarpus madioides Jake Ruygt 1976-5-14 73 Napa 3.8 miles west of HWY 29 on Redwood Rd. 91 Comment
  SBBG8596  Anisocarpus madioides H. and M. Dearing 1939-5-1 3241 Napa St Helena Comment
  UC1537058  Anthemis cotula Gordon H. True Jr. 1937-6-21 736 Napa near Lokoya Lodge 365 Comment
  UCD36376  Anthoxanthum odoratum Beecher Crampton 1953-6-2 1434 Napa Napa County, 8 miles south of Middletown, small meadow along Highway 53. Comment
  IRVC19774  Anthriscus caucalis Anne E. Justice 1981-4-27 s.n. Napa 10 miles from Winters on Hwy 128, just past Monticello Dam. Comment
  JEPS104497  Anthriscus caucalis Jake Ruygt 1995-4-17 3424 b Napa west end of Niebaum Lane, Rutherford (Coppola Estate) 67 Comment
  UCD127276  Anthriscus caucalis J. M. Tucker 1953-5-3 2643 Napa east side of Napa Valley, around 2 miles north of St. Helena. Comment
  JEPS110619  Antirrhinum cornutum Jake Ruygt 1986-6-28 1849 Napa 1.0 mile north of Snell Valley Rd. on Butts Canyon Rd. 208 Comment
  JEPS110620  Antirrhinum kelloggii Jake Ruygt 1980-5-13 881 Napa 3.0 miles south of Oakville Grade on Dry Creek Rd. 152 Comment
  JEPS112547  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Jake Ruygt 1989-6-3 2362 b Napa about 1 mile south of Monticello dam on Vaca Mtns. 402 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
  UCD170280  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 814 Napa Knoxville Wildlife Area, along Nevada Creek. 471 Comment
  CAS-BOT-BC237919  Antirrhinum virga T. S. Brandegee 1883-8-1 s.n. Napa Hills near Calistoga Comment
  CAS-BOT-BC237921  Antirrhinum virga John Thomas Howell 1926-10-3 2197 Napa Summit of Mt. St. Helena Comment
  JEPS5286  Antirrhinum virga Willis L. Jepson 1893-6-26 21298 Napa Howell Mt. Napa River Basin (above Toland House) Comment
  UCD33220  Apiastrum angustifolium Beecher Crampton 1967-5-11 7920 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  UCD36935  Apiastrum angustifolium Beecher Crampton 1956-5-25 3451 Napa Vaca Mountains, Markley Canyon, along new road from Monticello Dam to Napa. Comment
  UCD14925  Apiastrum angustifolium David Rhode 1977-4-16 17 Napa along the Monticello Dam Road. 259 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
  UCD114143  Arabis modesta Glen Holstein 1979-3-22 s.n. Napa Along south side of State Highway 128 at Monticello Dam. 170 Comment
  RSA0128968  Arabis modesta Gilbert Muth 1967-3-22 593 Napa Lake Berryessa. 121 Comment
  HSC7593  Arbutus menziesii Greg Bos 1963-3-30 66 Napa S slope of Hennessey Lake 213 Comment
  UCD117478  Arbutus menziesii L. Flaherty 1991-4-4 s.n. Napa Near Los Posadas. Comment
  HSC15900  Arceuthobium campylopodum C. B. Wolf 1928-5-4 1851 Napa Mt. St. Helena Comment
  JEPS40130  Arceuthobium campylopodum W. L. J. 1897-7-12 Napa Samuel's Springs Comment
  CAS-BOT-BC23952  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12266 Napa Mt. St. Helena trail Comment
  CAS-BOT-BC24024  Arctostaphylos canescens subsp. canescens Lester Rowntree 1931-2-1 s.n. Napa Monticello Road 7 miles east of Napa Comment
  CDA11150  Arctostaphylos canescens subsp. canescens G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11561 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa. Above Sarco Creek. Comment
  POM125416  Arctostaphylos canescens subsp. canescens Alice Eastwood 1923-5-9 11763 Napa Mount St. Helena Comment
  RSA15669  Arctostaphylos canescens subsp. canescens C. B. Wolf 1928-2-25 1502 Napa 1 mile N of summit Mt. St. Helena grade. Comment
  RSA203083  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11109 Napa Mt. St. Helena Comment
  UCD148753  Arctostaphylos canescens subsp. sonomensis Jake Ruygt 2010-4-7 5497 Napa Napa County; Archer Taylor Preserve, south of Bismark Knob. 704 Comment
  POM286162  Arctostaphylos canescens var. candidissima Lyman Benson 1928-11-3 395 Napa S. of Middletown, north side Mt. St. Helena. 762 Comment
  CAS-BOT-BC23624  Arctostaphylos crustacea Alice Eastwood; John Thomas Howell 1937-4-4 3828 Napa Wooden Valley Grade, E of Napa Comment
  SEINET6409377 Image available Arctostaphylos densiflora Unknown 1983-5-26 s.n. Napa S. Summit of Mt. St. Helena Comment
  RSA10632  Arctostaphylos glandulosa subsp. cushingiana C. B. Wolf 1928-5-4 1859 Napa Upper slopes of Mount St. Helena. Comment
  RSA602258  Arctostaphylos glandulosa subsp. cushingiana L. C. Wheeler 1952-8-30 6883 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  SBBG32425  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 mi SW of Angwin 243 Comment
  JEPS38883  Arctostaphylos glandulosa subsp. glandulosa W. L. Jepson 1936-12-7 17994 Napa Four Corners Napa Range, Howell Mt. Comment
  POM180779  Arctostaphylos glandulosa subsp. glandulosa J. T. Howell 1930-7-13 5351 Napa On the edge of the Crater Country' Comment
  UCSB32987  Arctostaphylos manzanita Haller, John 1979-5-4 Napa Mead Ranch; near Atlas Peak Road; about 5 miles (by road) north of State Highway 121; 9 miles north of Napa 487 Comment
  CAS-BOT-BC24283  Arctostaphylos manzanita subsp. manzanita Willis Linn Jepson 1896-12-26 s.n. Napa Napa River Basin, St. Helena. Comment
  CAS-BOT-BC24285  Arctostaphylos manzanita subsp. manzanita Ira L. Wiggins 1928-3-24 2861 Napa Grade in old road to lake Co. above Calistoga. Comment
  CAS-BOT-BC38734  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1907-3-29 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC38759  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1923-5-25 955 Napa Suisun Creek between Rockville and Wooden Valley Comment
  CAS-BOT-BC38764  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-7-13 5352 Napa Chaparral on the edge of the Crater Country Comment
  CAS-BOT-BC38767  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4560 Napa Near Mt. St. Helena Comment
  CAS-BOT-BC38769  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  JEPS106414  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 1977-1-9 122 Napa .15 miles west of Deer Park Rd. on Hill Avenue 548 Comment
  JEPS122805  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5109 Napa Howell Mtn Road, 0.2 mi SW of Conn Valley Road. QUAD: St. Helena. 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
  JEPS79561  Arctostaphylos manzanita subsp. manzanita Edward Lee with Annetta Carter 1935-12-1 1670 Napa s side of road road from Napa to Wooden Valley (on land of F. Gaggero); Howell Mts., Sarco Creek Comment
  UC1389149  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1939-8-27 990 Napa 2 mi e Gordon Valley; Cal (C) Forest 152 Comment
  UC2026414  Arctostaphylos manzanita subsp. manzanita Louis C. Wheeler 1952-8-30 6877 Napa MANGANESE RIDGE: Moore Creek, Howell Mountain. Comment
  UC521689  Arctostaphylos manzanita subsp. manzanita Joseph Andorfer Ewan 1933-9-17 8014 Napa Mt. St. Helena road 2 1/2 mi out Calistoga Comment
  UC571210  Arctostaphylos manzanita subsp. manzanita H. L. Mason 1925-1-22 1205 Napa Wooden Valley Grade Comment
  UC572658  Arctostaphylos manzanita subsp. manzanita Herbert B. Kaufner 1937-2-26 9 Napa Upper Mill Creek Canyon 335 Comment
  SEINET3094066 Image available Arctostaphylos patula Royal D. Suttkus 1967-6-26 67- 30 -18 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  CAS-BOT-BC43870  Arctostaphylos stanfordiana Alice Eastwood 1922-5-4 11276 Napa Mt. St. Helena Comment
  SD125797  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi. SW of Angwin 245 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
  JEPS122809  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 2007-1-23 5112 Napa Kortum Canyon Road on brushy ridge. QUAD: Calistoga. Comment
  RSA181955  Arctostaphylos stanfordiana subsp. stanfordiana W. L. Jepson 1915-12-6 6586 Napa Howell Mt. Comment
  UCD73847  Arctostaphylos stanfordiana subsp. stanfordiana Ellen Dean; S. Rae 2008-5-21 4982 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 269 Comment
  JEPS106409  Arctostaphylos tomentosa subsp. crustacea Jake Ruygt 1996-3-5 3519 Napa Mt. George, west side meadow. 274 Comment
  JEPS106410  Arctostaphylos tomentosa subsp. crustacea Jake Ruygt 1990-4-1 2449 b Napa south of Leoma Lakes, Wild Horse Valley Ranch 432 Comment
  UCD20647  Arctostaphylos viscida R. J. Blenkush; J. H. Richards 2000-1-29 41 Napa McLaughlin Reserve. Collected at the intersection of Hunting Creek Road with Devilhead Road. 536 Comment
  UCD47966  Arctostaphylos viscida R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 3 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UC763118  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1938-9-23 3862 Napa Canyon of south fork of Butts Creek Comment
  CAS-BOT-BC47451  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-5-5 11286 Napa Mt. St. Helena Comment
  UC1388347  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-3-20 874 Napa Pope Creek North Coast Ranges Comment
  JEPS32463  Aristolochia californica W. L. Jepson 1939-9-12 19479 Napa York Creek near St. Helena Comment
  SEINET11262978  Aristolochia californica Daphne K. Christopher 2003-4-12 148 Napa UC Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation.; 0 166 Comment
  SEINET4208224  Aristolochia californica Richard R. Halse 2013-3-27 8755 Napa Along State Hwy. 128 ca. 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners.; 0 239 Comment
  UC545801  Aristolochia californica Annetta M. Carter 1936-3-15 1040 Napa on rd. to Pope Valley 3.4 mi. out of Rutherford (Conn Creek Canyon); Conn Creek Canyon Comment
Read comments
Sep 12 2013
  UC166074  Arnica discoidea J. P. Tracy 1905-7-6 2224 Napa 3-4 mi e of, head of Moore's Creek Angwin's; Howell Mountain, Moore's Creek 457 Comment
  UCD129045  Arnica discoidea Beecher Crampton 1965-6-17 7406 Napa Solano-Napa Counties:Vaca mountains, summit of Mt. Vaca. 859 Comment
  UCD32904  Arnica discoidea Beecher Crampton 1965-6-17 7406 Napa Solano-Napa Counties:Vaca mountains, summit of Mt. Vaca. 859 Comment
  JEPS104524  Artemisia californica Jake Ruygt 1979-11-24 798 Napa 2.3 miles north of Monticello Rd. on Atlas Peak Rd. 79 Comment
  JEPS104574  Artemisia douglasiana Jake Ruygt 1978-6-28 374 Napa 2.0 miles north of Browns Valley Rd. on Partrick Rd. 164 Comment
  SEINET198881  Asclepias cordifolia H. E. Cott 1949-6-5 A- 137 Napa Along State Highway 28, Monticello mouth of Putah Canyon. Comment
  UC22963  Asclepias cordifolia Willis L. Jepson 1894-5-1 Napa St. Helena Napa River Basin Comment
  UCD121245  Asclepias cordifolia James N. Seiber 1984-7-21 s.n. Napa Lake Berryessa, near Monticello Dam. Comment
  JEPS49852  Asclepias eriocarpa W. L. Jepson 1897-7-12 14536 Napa near Samuel's Springs; Pope Creek Comment
  JEPS49872  Asclepias eriocarpa Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena 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
  UCD137319  Aspidotis densa R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  CAS-BOT-BC69618  Aspidotis densa R. F. Hoover 1966-8-23 9921 Napa E. side of Mt. St. Helena. Comment
  CAS-BOT-BC180463  Astragalus breweri Robert F. Hoover 1941-4-26 4920 Napa Between Walter Springs and Pope Valley 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
  JEPS107254  Astragalus clevelandii Jake Ruygt 1986-7-5 1862 Napa Knoxville Devilhead Rd, at firetrail to ''sensitive plant canyon'' 472 Comment
  JEPS54567  Astragalus clevelandii W. L. Jepson 1897-7-13 13743 Napa Butt's Canyon Comment
  UC13336  Astragalus clevelandii W. L. Jepson 1892-7 Napa Knoxville Comment
  UCD170279  Astragalus clevelandii Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 813 Napa Knoxville Wildlife Area, along Nevada Creek. 471 Comment
  SEINET898796  Astragalus didymocarpus Frank W. Gould 1938-1 98 Napa One mile north-west of Yountville. 152 Comment
  JEPS107250  Astragalus gambelianus Jake Ruygt 1995-4-29 3450 Napa Skyline Park, Sugarloaf Peak Trail. 396 Comment
  JEPS85041  Astragalus gambelianus Larry Heckard and Mary Ashton 1969-5-3 2193 Napa ca 7 mi ne Napa (Mead Ranch off the Atlas Peak Rd.); ne of Napa 457 Comment
  UCD144414  Astragalus gambelianus G. F. Hrusa; S. Larson 1995-4-10 12058 Napa Approximately 1 m. below bridge over Pope Creek, on Pope Canyon Road. 175 Comment
  UC70374  Astragalus gambelianus Milo S. Baker 1896-5-8 27 Napa near Four Corners; near Four Corners Comment
  UCD75827  Astragalus rattanii var. jepsonianus Jake Ruygt 1998-4-18 3912 Napa west end of new Walter Springs bridge. 176 Comment
  CAS-BOT-BC17532  Athysanus pusillus Carl B. Wolf 1928-5-3 1831 Napa Base of Mount St. Helena. Comment
  CHSC43811  Athysanus pusillus Lowell Ahart 1976-3-7 1019 Napa On a hillside about 1/4 mile south of the road, about 2 miles south-west of the Monticello Dam. 457 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
  UCD148773  Atriplex prostrata Jake Ruygt 1978-9-8 406 Napa Napa County; Napa; Marina Dr. at Napa River. 0 Comment
  JEPS126110  Azolla filiculoides Jake Ruygt 1981-4-22 995 Napa East of Kaiser Steel, west of Highway 29 (221) Rocktram. Napa 7.5' Qua. Comment
  UC1536745  Baccharis pilularis G. H. True Jr. 1937-10-12 841 Napa near Lokoya Lodge Comment
  JEPS106775  Barbarea orthoceras Jake Ruygt 1977-3-7 146 Napa hills east of east end Westgate Dr., Silverado Country Cl. 213 Comment
  UC552234  Barbarea orthoceras Joseph P. Tracy 1933-4-30 12111 Napa La Jota Palteau, Howell Mountain, on hills head of Moore's creek, 3-4 miles East of Angwin's 518 Comment
  UCD48671  Barbarea orthoceras Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 12 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd, N of its jct with S. Decker Canyon Rd. at the end of EW bend. 188 Comment
  JEPS123015  Beckmannia syzigachne Jake Ruygt 1992-5-18 2973 Napa Ecological Reserve, Yountville Cross Road, Napa River. Quad: Yountville. Comment
  JEPS126129  Berberis nervosa Jake Ruygt 2006-4-1 4962 Napa Three Peaks, northeast side, road near top. Saint Helena 7.5' Qua. Comment
  CAS-BOT-BC75846  Berberis pinnata L. R. Abrams 1928-5-3 12255 Napa Summit Saint Helena Grade. Comment
  CAS-BOT-BC75848  Berberis pinnata Peter H. Raven 1951-6-10 s.n. Napa Crater Region east of Pinnacels. 762 Comment
  JEPS106878  Berberis pinnata subsp. pinnata Jake Ruygt 1982-3-10 1127 Napa north of American Canyon on county line 280 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
  UCD161251  Berula erecta Jake Ruygt 3 July1999 4199 Napa American Canyon, north side of quarry. (Coordinates estimated by label maker at UC Davis). 94 Comment
  JEPS18806  Blennosperma nanum var. nanum W. L. Jepson 1940-2-29 19498 Napa 4 mi se Yountville Comment
Read comments
Oct 4 2009
  POM262503  Boisduvalia densiflora Milo S. Baker 1941-7-30 10152 Napa Roadside from Childs Valley toward Rutherford near branch to Winters Comment
  JEPS110697  Boisduvalia stricta Jake Ruygt 1983-6-5 1486 Napa Oak Shores Park, Lake Berryessa 137 Comment
  JEPS64002  Bolboschoenus robustus W. L. Jepson 1894-11-7 21219 Napa Napa Comment
  UCD47948  Brassica nigra Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 5 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  CAS-BOT-BC145366  Briza minor Carl B. Wolf 1928-5-3 1803 Napa 2 miles south of hawkins Mount Inn Camp. Comment
  JEPS75998  Briza minor W. L. Jepson 1936-6-1 17592 Napa Four Corners Napa Range, Howell Mt. (w side) Comment
  UC1543022  Briza minor Donald G. Nelson 1936-4-1 123 Napa along trail to Green Valley Falls Comment
  UC1300928  Brodiaea elegans subsp. elegans Helen K. Sharsmith 1962-6-3 5110 Napa Napa-Soda Springs road 152 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
  CAS-BOT-BC486434  Brodiaea terrestris subsp. terrestris Alice Eastwood; John Thomas Howell 1938-5-15 5517 Napa Myrtledale Hot Springs Comment
  UCD112240  Bromus Christopher Mallek 2008-5-12 AS2- 11 Napa Aetna Springs. 668 Comment
  UCD149594  Bromus Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD36562  Bromus carinatus Beecher Crampton 1954-5-6 1830 Napa 5 miles south of Monticello. Comment
  UCD36937  Bromus carinatus Beecher Crampton 1956-5-25 3457 Napa Vaca Mountains, head of Markley Canyon. Comment
  UCD58005  Bromus carinatus K. Esau 1935-5-5 s.n. Napa Near Petrified Forest, Calistoga. Comment
  UCD17977  Bromus carinatus var. carinatus Ellen Dean; with Plant Biology 102 class 2001-4-14 702 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, below stock pond. 152 Comment
  UCD18080  Bromus carinatus var. carinatus Ellen Dean; with PLB 102 class 2000-4-22 638 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  CAS-BOT-BC155073  Bromus hordeaceus Ira L. Wiggins 1928-3-25 2871 Napa Roadside 1.5 mile northeast of Calistoga. Comment
  JEPS123004  Bromus laevipes Jake Ruygt 1987-5-9 1972 Napa 1 mile east of Atlas Peak Road on Monticello Road. Quad: Mount George. Comment
  JEPS75643  Bromus laevipes W. L. Jepson 1936-5-31 17567 Napa Napa Range, Howell Mountain Howell Mountain; Napa Range, Howell Mountain Comment
  UCD58957  Bromus laevipes Beecher Crampton 1965-6-30 7409 Napa Mt. Vaca, Vaca Mtns. 872 Comment
  UCSC000048  Bromus laevipes August L. Hormay 1932-6-19 s.n. Napa Mt. St. Helena 4-5 miles South East of Middleton Comment
  HSC26167  Bromus madritensis subsp. madritensis J. P. Smith, J. O. Sawyer 1970-5-17 3779 Napa 3 mi. S of Pope Valley Comment
  POM262786  Bromus rubens J. C. Roos 1939-4-28 261 Napa Angwin, Howell Mtn. Comment
  SACT000713  Bromus rubens John Willoughby 1976-4-12 Napa Near Mount Vaca, in chaparral near top of ridge 609.6 Comment
  UCD148808  Bromus rubens Ellen Dean; Diana Hickson 2014-4-29 8115 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD18145  Bromus rubens Jean Shepard; with PLB 102 class 2000-4-29 200 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
  RSA128556  Bromus stamineus P. H. Raven 1953-5-2 5357 Napa Along railroad tracks, Yountville. Comment
  UCD120793  Bromus sterilis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7332 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
  UCD73441  Bromus sterilis Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  UCD95682  Bromus sterilis Ellen Dean; with Clare Loughran 2011-5-20 7027 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  UCD59776  Bromus tectorum Beecher Crampton 1959-5-26 5264 Napa Above Capell Creek, north end of Capell Valley. Comment
  JEPS100895  Calamagrostis ophitidis Dean W. Taylor 1998-5-14 16440 Napa Asbestos Mine, Steele Canyon (southerly arm of Lake Berryessa) 301 Comment
  UCD57539  Calamagrostis ophitidis Beecher Crampton 1961-5-22 5877 Napa along State Hwy. 128, north end of Capell Valley above Capell Creek. Comment
  UCD57744  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  CAS-BOT-BC233996  Calandrinia breweri Peter H. Raven 1953-4-2 5288 Napa Burn e. of Tulucay Creek 426 Comment
  JEPS112602  Calandrinia breweri Jake Ruygt 1997-3-23 3815 Napa South of Bismark Knob on ridge. 612 Comment
  JEPS112603  Calandrinia breweri Jake Ruygt 1989-4-8 2257 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  UCD48083  Calandrinia breweri B. Takahashi; S. Burgess, A. Ryan, J, Pierner, A. Hufton 2000-4-29 3 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
  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
  UCR12023  Calandrinia ciliata var. menziesii Coleta A. Lawler 1964-3-24 08 Napa Buhman Avenue, 0.2 mi north of junction with Henry Road 8 Comment
  UCR12093  Calendula arvensis Coleta A. Lawler 1964-3-24 12 Napa Junction of Redwood Rd and Browns Valley Rd Comment
  UCD159531  Calendula officinalis D. S. Park 2011-4-11 279 Napa Linda Vista Ave. and Ceriani Ct. Weed in lawn. 33 Comment
  UCD83408  California macrophylla Jake Ruygt 1993-5-1 3240 Napa SW end of Cedar Creek Rd. 438 Comment
  UC1134510  Calochortus amabilis A. Lewis 1932-5-18 96 Napa Dry Creek Napa Quad. 152 Comment
  UC1134512  Calochortus amabilis B. O. Schreiber 1938-4-24 2494 Napa 5.2 mi nne Napa (Wooden Valley Grade); Napa Quad. 274 Comment
Read comments
Jan 14 2009
  UC1300907  Calochortus amabilis Helen K. Sharsmith 1963-4-20 5344 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD139467  Calochortus amabilis M. Sidells 1996-4-27 26 Napa north of Route 128, 2 miles east of Lake Berreyessa. Putah Creek. 280 Comment
  UCD139481  Calochortus amabilis R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. 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
  UCD169609  Calochortus amabilis 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
  UCD22717  Calochortus amabilis Charles Gasser 1978-4-22 15 Napa Chiles/Pope Valley Road, 1.6 miles SW of junction with lower Chiles Valley Road. Comment
  CAS-BOT-BC488493  Calochortus amabilis R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6667 Napa 6 mi. NE of Pacific Union College (Howell Mt.) on road to Aetna Springs. Comment
  SBBG953  Calochortus amabilis H. and M. Dearing 1939-4-30 3236 Napa N of Saint Helena Comment
  SEINET8194296  Calochortus amabilis M. Ackley 1968-5-12 1191 Napa Napa Valley. Comment
  UCD41332  Calochortus luteus Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 7 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. 434 Comment
  RSA49079  Calochortus luteus Verne Grant, Alva Grant 1949-5-22 8723 Napa Along Wooden Valley Road ca. 18 miles from Napa Comment
  UC1586108  Calochortus superbus Barbara Ertter with Annetta Carter 1989-5-28 8501 Napa 4.7 mi s Knoxville tunnel (Berryessa-Knoxville Road, n of Lake Berryessa, along Eticuera Creek); Eticuera Creek 304 Comment
  CAS-BOT-BC483614  Calochortus tolmiei L. R. Abrams 1928-5-4 12291 Napa 4 miles south of Middletown Comment
  HSC34856  Calochortus uniflorus Thomas W. Nelson, James Nelson 1975-5-5 1804 Napa Along the runway of Calistoga airport, Calistoga Comment
  JEPS17795  Calochortus uniflorus Willis L. Jepson 1893-5-2 Napa Calistoga Napa River Basin Comment
  UC1112208  Calochortus uniflorus Peter H. Raven 1957-5-5 10736 Napa Calistoga, field near the hot springs at the airport Calistoga Comment
  SEINET12049807  Calochortus vestae F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -334 Napa along Butts Canyon Rd near jct with Snell Valley Rd enroute to Berryessa Estates along Butts Creek 250 Comment
  JEPS129113  Calycadenia fremontii Jake Ruygt 2015-6-6 6119 Napa Missimer-Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  UC1876264  Calycadenia fremontii Gerald D. Carr 1972-9-14 734 Napa 1.5 mi E of Howell Mt. Rd. on Conn Valley Rd. 121 Comment
  JEPS38540  Calycadenia multiglandulosa W. L. Jepson 1916-8-6 6832 Napa Howell Mt. Comment
  CAS-BOT-BC270613  Calycadenia multiglandulosa David D. Keck 1933-7-1 2467 Napa Howell Mountain, 2 miles SW of Pacific Union College Comment
  POM30958  Calycadenia multiglandulosa subsp. cephalotes H. P. Chandler 1907-7-19 7603 Napa Howell Mt. Comment
  CAS-BOT-BC270830  Calycadenia pauciflora Gerald D. Carr 1971-8-6 616 Napa Lower Chiles Valley Road, 1.3 miles N of Highway 128 Comment
  RSA255589  Calycadenia pauciflora Gerald D. Carr 1971-10-23 683 Napa Junction of Lower Chiles Valley and Pope Valley Roads Comment
  UCD129844  Calycadenia pauciflora Gerald D. Carr 1972-8-9 727 Napa Mysterious Creek Road, 11.3 miles southwest of Berryessa-Knoxville Road. Via Devilhead Road. Comment
  UCD129845  Calycadenia pauciflora Gerald D. Carr 1972-8-21 728 Napa 2.4 miles east of Butts Canyon Road on Snell Valley Road, serpentine. Comment
  UCD129909  Calycadenia pauciflora Gerald D. Carr 1971-9-20 672 Napa 0.8 mile northwest of Knoxville on Morgan Valley Road. 457 Comment
  CAS-BOT-BC271574  Calycadenia truncata subsp. truncata Brandegee No date on label. s.n. Napa Howell Mt. Comment
  CAS-BOT-BC271575  Calycadenia truncata subsp. truncata Mrs. C. E. Miller 1918-8-1 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC271553  Calycadenia truncata subsp. truncata H. M. Hall 1923-10-15 11952 Napa Base of hills east of town, St. Helena Comment
  JEPS45706  Calycanthus occidentalis W. L. Jepson 1895-11-27 Napa St. Helena 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
  UCD13154  Calycanthus occidentalis Kathleen Worden 1981-5-24 12 Napa Sage Canyon Rd. 1.2 miles east of intersection with Silverado Trail. Comment
  UCD137908  Calycanthus occidentalis H. Popenoe 1949-6-5 35 Napa Putah Canyon west of Winters, at Napa-Yolo County line. Comment
  RSA710254  Calystegia collina R. K. Brummitt, Adrian Wolf, R. W. Howe 1998-5-15 19851 Napa Calistoga, Butts Canyon 0.5 km from Snell Valley turn-off 350 Comment
  CAS-BOT-BC221555  Calystegia collina subsp. collina R. K. Brummitt; A. Wolf; R. W. Howe 1998-5-15 19848 Napa 10 km NE of St. Helena, on Chiles and Pope Valley Road 300 Comment
  HSC81855  Calystegia collina subsp. collina Thomas W. Nelson, Jane Nelson 1980-5-3 5136 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  JEPS77949  Calystegia collina subsp. collina Edward Lee 1936-3-15 1816 Napa Butt's Canyon, from Rutherford to Pope Valley Comment
  UC23185 Image available Calystegia collina subsp. collina Willis L. Jepson 1894-5-1 Napa Conn Valley, Napa River Basin. Comment
  CHSC112055  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
  UCD126156  Calystegia occidentalis Jack Major 1961-6-13 544 Napa Monticello Dam, State Highway 128. Comment
  CDA33512  Calystegia purpurata subsp. purpurata Dale Woods, V. Popescu 2010-6-28 Napa Along Devilshead-Knoxville Road. Comment
  UCD48871  Calystegia purpurata subsp. purpurata E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., N of jct with South Decker Canyon Rd.; on a SW-facing slope on upslope of road. 237 Comment
  JEPS122760  Camissonia contorta Jake Ruygt 2007-5-17 5173 b Napa Wildlake Ranch, near Potato Hill. Quad: Calistoga. Comment
  RSA195312  Camissonia graciliflora Gilbert Muth 1967-4-30 659 Napa Snell Valley 183 Comment
  RSA186745  Camissonia hirtella Peter H. Raven 1965-5-15 20206 Napa Nevada Creek, 5 miles SSE of Knoxville 335 Comment
  UCD48063  Camissoniopsis hirtella A. Haselby; M. Carson, S. Howard, P. Mayer 2000-4-29 8 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  UCD32903  Camissoniopsis hirtella Beecher Crampton 1965-6-30 7395 Napa Solano-Napa Counties: Vaca mountains, summit of Mt. Vaca. 859 Comment
  JEPS106556  Campanula angustiflora Jake Ruygt 1989-5-13 2326 Napa Vaca Mtns. about 1 mile north of Mt.Vaca 798 Comment
  JEPS100899  Campanula griffinii Dean W. Taylor 1998-5-14 16436 Napa Asbestos Mine, Steele Canyon (southerly arm of Lake Berryessa) 301 Comment
  UCD18039  Capsella bursa-pastoris Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 590 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley, just E of site of old town of Knoxville. Near old Osage orange tree by creek. 402 Comment
  CAS-BOT-BC37590  Cardamine californica Peter H. Raven 1953-2-21 5194 Napa Steel Canyon. 213 Comment
  JEPS53372  Cardamine californica Willis L. Jepson 1896-2-22 13395 a Napa Stone Bridge Hill Napa River Basin, St. Helena, Stone Bridge Hill (St. Helena, Napa River Basin) Comment
  UCD170198  Cardamine californica Daniel Potter 2015-3-14 759 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 248 Comment
  RSA15679  Cardamine californica var. integrifolia C. B. Wolf 1928-2-25 1489 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  JEPS53370  Cardamine californica var. integrifolia Willis L. Jepson 1896-2-23 13396 Napa Howell Mountain Napa River Basin, Howell Mountain Comment
  UCD170301  Cardamine hirsuta Daniel Potter; N Khuu, A Holland, J Poore, C Adlam 2016-3-19 841 Napa Knoxville Wildlife Area, southern portion, east of Berryessa-Knoxville Road. 232 Comment
  UCD83862  Cardamine hirsuta Ellen Dean; Stephen Rae 2010-3-15 5820 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  UCD114520  Cardamine hirsuta Michael A. Vincent; Ethan H. Freid 1998-4-7 8168 Napa along Route 128 at Road Marker 24\80. Comment
  UCD17985  Cardamine oligosperma Ellen Dean; with Plant Biology 102 class 2001-4-14 711 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. At junction of West Loop Rd. and Decker Bay Trail. 152 Comment
  JEPS106779  Cardaria draba Jake Ruygt 1981-5-3 1009 Napa American Canyon east of Flosden Rd. 42 Comment
  SEINET13331011 Image available Carduus nutans T. C. Fuller 1958-5-1 s.n. Napa Calistoga Comment
  UCD18006  Carduus pycnocephalus Ellen Dean; with Plant Biology 102 class 2001-4-28 738 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. NW-facing slope near old road that goes downslope from West Rd. 243 Comment
  UCD38974  Carduus pycnocephalus Beecher Crampton 1961-6-12 5897 Napa Wragg Canyon, Vaca Mts. along State Hwy. 128. Comment
  RSA156058  Carduus pycnocephalus Peter H. Raven 1962-5-31 17922 Napa 3.8 miles north of junction of State Hwy. 37 with road to Fairfield Comment
  CAS-BOT-BC281786  Carduus tenuiflorus John H. Thomas 1955-5-21 5123 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC19171  Carex barbarae Peter H. Raven 1950-5-6 2038 Napa South limits of Calistoga. On Rt. 28. 60 Comment
  JEPS121351  Carex barbarae Jake Ruygt 2006-4-15 4990 Napa S. of Yountville, w. side of Hwy 29. Comment
  JEPS63519  Carex barbarae W. L. Jepson 1934-10-19 16900 Napa Napa River near St. Helena Comment
  UCD161341  Carex brevicaulis Jake Ruygt 1984-5-19 1560 Napa East slope of Cedar Roughs. (Coordinates estimated by label maker at UC Davis). 579 Comment
  CAS-BOT-BC35066  Carex densa Alice Eastwood; John Thomas Howell 1938-5-15 5522 Napa Myrtledale Hot Springs. Comment
  POM118371  Carex densa Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD95934  Carex densa Ellen Dean; with Clare Loughran 2011-5-20 7064 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  SEINET11630873  Carex densa L. S. Rose 1935-1 35205 Napa E slope Mt. St. Helena Comment
  UCD161514  Carex densa Jake Ruygt 1990-4-7 2463 Napa Veteran's Peak, at homestead. 231 Comment
  JEPS121343  Carex dudleyi Jake Ruygt 2006-5-7 5015 Napa Las Posadas State Forest. Comment
  JEPS121325  Carex feta Jake Ruygt 1986-4-5 1680 Napa south side of Suscol Creek on ridge Comment
  UCD161635  Carex globosa Jake Ruygt 2005-4-4 4742 Napa Mt. St. Helena, Highway 29 at Old Toll Road. (Coordinates converted from UTM data by label maker.) 472 Comment
  JEPS121346  Carex multicaulis Jake Ruygt 1997-4-4 3821 Napa Mt Veeder, south of Lokoya Roads. 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
  UCD73496  Carex nudata Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC118467  Carex praegracilis Lewis Samuel Rose 1935-6-4 35201 Napa E slope of Mt. St. Helena Comment
  JEPS121329  Carex serratodens Jake Ruygt 1979-4-23 542 Napa 2.1 miles east of Silverado Trail on Hwy 128 100 Comment
  UCD140839  Carex serratodens Beecher Crampton 1957-4-22 3942 Napa above Capell Creek, north end of Capell Valley, along State Highway 128. Comment
  CAS-BOT-BC116769  Carex subfusca Peter H. Raven 1951-6-10 2929 Napa Crater Region E of Palisades. 762 Comment
  UC1023493  Carex subfusca Peter H. Raven 1951-6-10 2929 Napa e Palisades; Crater Region 762 Comment
  CAS-BOT-BC115550  Carex tumulicola Peter H. Raven 1951-6-24 3023 Napa Brown's Valley to Napa-Sonoma Rd. 91 Comment
  UCD161634  Carex tumulicola Jake Ruygt 2005-3-20 4707 Napa Alston Park, Dry Creek Road, Napa. 45 Comment
  UCD161735  Carex tumulicola Jake Ruygt 2010-5-15 5504 -x Napa Las Posadas State Forest, south side of Moore Creek near Recreation Flat. 384 Comment
  JEPS110636  Castilleja affinis subsp. affinis Jake Ruygt 2001-3-31 4303 Napa ridge between Newell and American Canyon; Newell Open Space 198 Comment
  JEPS3817  Castilleja affinis subsp. affinis W. L. Jepson 1938-5-24 18839 Napa near Four Corners; Howell Mountain Comment
  JEPS35589  Castilleja affinis subsp. affinis L. R. Heckard 1964-6-11 1365 Napa 1.3 mi sw Calif. Hwy. 121 junction with Wooden Valley road (along Calif Hwy 121, above Wooden Valley) Comment
  SEINET4392935  Castilleja affinis subsp. neglecta Laney Widener 2013-1 Napa Comment
  JEPS110631  Castilleja ambigua subsp. ambigua Jake Ruygt 1985-5-18 1598 Napa Foss Valley 435 Comment
  JEPS110632  Castilleja ambigua subsp. ambigua Jake Ruygt 1994-4-29 3362 Napa Fagan Slough 1 Comment
  JEPS86590  Castilleja ambigua var. meadii L. R. Heckard with Jake Ruygt 1987-5-10 6661 Napa 6.5 mi up Atlas Peak Rd. from Monticello Rd., Napa (Calif. Hwy. 121) (along Atlas Peak Rd, ne of Napa) 448 Comment
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Oct 10 2013
  JEPS47329  Castilleja applegatei subsp. martinii L. R. Heckard and R. Bacigalupi 1965-5-15 1457 Napa about 3.5 air mi se Knoxville (at head of the falls on Zim Zim Creek); Zim Zim Creek 365 Comment
  JEPS57375  Castilleja applegatei subsp. martinii L. R. Heckard and T. I. Chuang 1968-6-18 1941 Napa 1 mi below Ink Grade junction with Howell Mt. road (Ink Grade, ne of Angwin) 457 Comment
  RSA523430  Castilleja applegatei subsp. martinii L. R. Heckard 1964-6-11 1368 Napa Just above Hanley's Resort on the grade over SE flank of Mt. St. Helena; along Calif. 29. Comment
  CHSC114025  Castilleja applegatei subsp. pinetorum Richard R. Halse 2013-3-27 8753 Napa Along State Hwy. 128 ca. 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa. 143 Comment
  JEPS110633  Castilleja attenuata Jake Ruygt 1983-5-1 1450 Napa east side of HWY 29 on Suscol ridge 28 Comment
  UCD48228  Castilleja attenuata A. Ryan; S. Burgess, A. Hufton, J. Pierner, and B. Takahashi 2000-4-29 18 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of old town of Knoxville. 609 Comment
  JEPS110668  Castilleja densiflora subsp. densiflora Jake Ruygt 1978-3-31 253 Napa Suscol hill west of HWY 29 (221) 9 Comment
  JEPS9411  Castilleja densiflora subsp. densiflora W. W. Mott 1915-4-26 3 Napa Napa, hills sw Napa Comment
  UC1301193  Castilleja densiflora subsp. densiflora Helen K. Sharsmith 1963-4-20 5331 Napa 4 mi s Napa (off Kelly Road); San Francisco Bay Region 45 Comment
  JEPS85018  Castilleja exserta subsp. exserta Larry Heckard and Mary Ashton 1969-5-3 2226 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd, above and w of the meadow) 510 Comment
  HSC45336  Castilleja foliolosa R. York 1978-4-8 105 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UC1217067  Castilleja foliolosa Paul C. Hutchison 1963-3-3 2675 Napa 2 mi above St. Helena Sanitarium (along the road to Pope Valley) Comment
  UCD18159  Castilleja foliolosa Eva Bayon; with PLB 102 class 2000-4-29 s.n. Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  POM15474  Castilleja foliolosa C. F. Baker 1903-4-20 2630 Napa Mt. St. Helena. Comment
  UC190969  Castilleja minor subsp. spiralis Katharine Brandegee 1910-8-26 Napa Aetna Springs Comment
  JEPS34512  Castilleja minor subsp. spiralis Freed W. Hoffman 1946-8-21 869 Napa near Morgan Valley (near the Knoxville Road, along Hunting Creek, at the Napa-Lake County line); North Coast Ranges, Hunting Creek 609 Comment
  SEINET7075541  Castilleja rubicundula A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  UCD160684  Castilleja rubicundula subsp. lithospermoides Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8756 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 177 Comment
  CAS-BOT-BC47998  Ceanothus L. R. Abrams 1928-5-4 12289 Napa 4 mi. south of Middletown Comment
  SEINET13946230 Image available Ceanothus Joseph Andorfer Ewan 1934-1 8862 Napa Near Samuel Springs, above Monticello, on Pope Valley Grade. Comment
  CAS-BOT-BC48939  Ceanothus cuneatus Alice Eastwood 1915-6-5 4568 Napa Petrified Forest Comment
  UCD111789  Ceanothus cuneatus D. S. Totah 1948-3-18 8 Napa Putah Canyon. Comment
  CAS-BOT-BC48937  Ceanothus cuneatus var. cuneatus D. O. Burge 2007-4-27 DOB 899 b Napa Vaca Mountains, on east-west trending ridge south of East Mitchel Canyon, 15.2 road miles (24.3 km) west of Hwy 505 270 Comment
  UC483312  Ceanothus cuneatus var. cuneatus Ira L. Wiggins 1932-3-12 5766 Napa hillside between Franz Valley and Calistoga Comment
  CAS-BOT-BC49787  Ceanothus divergens John Thomas Howell 1941-4-5 16166 Napa About 1 mi. sw. of Calistoga Comment
  CAS-BOT-BC49789  Ceanothus divergens Walter Knight; Steve Edwards 1985-11-17 5186 Napa Kortum Canyon Road Comment
  CAS-BOT-BC49796  Ceanothus divergens Milo S. Baker 1939-3-22 9243 Napa 1.1 mi. west of Calistoga-Napa hgwy. at a point 1.1 mi. south of Calistoga Comment
  CAS-BOT-BC49798  Ceanothus divergens John Thomas Howell 1941-4-5 16159 Napa Franz Valley Comment
  RSA261719  Ceanothus divergens Katherine Brandegee 1889-04 s.n. Napa St. Helena Comment
  UCD73843  Ceanothus divergens Ellen Dean; S. Rae 2008-5-21 4978 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 238 Comment
  SJSU5714  Ceanothus foliosus L. S. Rose 1964-4-2 64018 Napa 2 mi SW of Angwin 243 Comment
  UC1070629  Ceanothus foliosus A. E. Wieslander 1931-5-11 184 Napa n slope Mt. St. Helena (n of Calistoga.); Calistoga quad. 731 Comment
Read comments
Aug 15 2010
  UC18323  Ceanothus foliosus Edw. L. Greene 1892-4-23 Napa Mt. St. Helena Comment
  UC18329  Ceanothus foliosus Willis L. Jepson 1893-5-8 Napa New Eden, Howell Mt. Grade Napa River Basin Comment
  UC229973  Ceanothus foliosus Brandegee Apr 1889 Napa Mt. St. Helena Comment
  UC338441  Ceanothus foliosus Lemmon Napa Calistoga Comment
  UC79969  Ceanothus foliosus Katharine Brandegee 1889-4 Napa Mt. St. Helena Comment
  UCD73844  Ceanothus foliosus Ellen Dean; S. Rae 2008-5-21 4979 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 244 Comment
  SEINET4411450 Image available Ceanothus foliosus C. C. Parry 1888-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC50909  Ceanothus foliosus var. foliosus Alice Eastwood 1915-6-5 4566 Napa Petrified Forest Comment
  JEPS110717  Ceanothus foliosus var. foliosus Jake Ruygt 1976-5-6 59 Napa 4.3 miles NE of Westgate Dr. on Atlas Peak Rd. 408 Comment
  UCD112139  Ceanothus foliosus var. foliosus Ray Prag 1970-6-9 s.n. Napa Deer Park Road, 3.8 miles east of Silverado Trail. Comment
  UCD82599  Ceanothus foliosus var. foliosus Ellen Dean; T. Starbuck 2009-5-4 5537 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCD95694  Ceanothus foliosus var. foliosus Ellen Dean; with Clare Loughran 2011-5-20 7041 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  CAS-BOT-BC63747  Ceanothus incanus H. E. McMinn 1922-3-27 104 Napa Near Mt. St. Helena. Comment
  CAS-BOT-BC63749  Ceanothus incanus Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena. Comment
  CAS-BOT-BC50788  Ceanothus integerrimus L. R. Abrams 1928-5-4 12289 Napa 4 mi. south of Middletown Comment
  CAS-BOT-BC50794  Ceanothus integerrimus Brandegee 1889-6-1 20 Napa Toll House, Mt. St. Helena Comment
  UC80040  Ceanothus integerrimus Katharine Brandegee June 1889 Napa Toll House Mt. St. Helena Comment
  UCD170259  Ceanothus integerrimus D. O. Burge 2016-10-22 2183 Napa Hunting Creek Camp, Hunting Creek watershed. 325 Comment
  UCD169651  Ceanothus integerrimus Jake Ruygt 2010-5-6 5546 Napa Snell Valley Road ant [sic] Butts canyon Rd. 198 Comment
  CAS-BOT-BC64976  Ceanothus jepsonii D. H. Wilken; E. L. Painter 2007-6-6 16741 Napa Near summit of Butts Cyn Rd, ca 1.5 linear km S of jct with Snell Valley Rd. 315 Comment
  JEPS20109  Ceanothus jepsonii W. L. Jepson 1915-12-6 6589 Napa Howell Mt. Comment
  RSA399003  Ceanothus jepsonii Lester Rowntree 1930-7-15 s.n. Napa Near Napa Comment
  SBBG4343  Ceanothus jepsonii L. Rowntree 1930-7-15 Napa Sage Cyn Comment
  UC423435  Ceanothus jepsonii Katharine Brandegee 1916-7-27 Napa near Angwin Comment
  UCD170817  Ceanothus jepsonii 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
  RSA757817  Ceanothus jepsonii var. albiflorus Dylan O. Burge 2008-6-1 DOB 1007 c Napa South of Butts Canyon, approximately 200 m east of Butts Canyon Road via unpaved track that begins 1.1 road miles south of the intersection between Butts Canyon Road and Snell Valley Road., 4.56 km 48 degrees true east-northeast of Aetna Springs. 340 Comment
  UCD112306  Ceanothus oliganthus var. sorediatus B. Crampton 1957-4-15 s.n. Napa Martley Canyon, Vaca Mountains. Comment
  CAS-BOT-BC53181  Ceanothus parryi Brandegee 1890-4-1 20 Napa Toll House, Mt. St. Helena Comment
  UC1602797  Ceanothus parryi C. C. Parry 1881-8-3 Napa Calistoga Comment
  UC18399  Ceanothus parryi Willis L. Jepson 1893-5-4 Napa Creek Bed w Calistoga; Creek bed w of Calistoga Comment
  UC18402  Ceanothus parryi Willis L. Jepson 1894-4-30 Napa sw Calistoga (Rebecca Ranch grade); Napa River Basin, sw of Calistoga Comment
  UCD112501  Ceanothus parryi Ray Prag 1970-6-9 s.n. Napa Highway 121, 2.2 miles south of junction with Wooden Valley Road. Comment
  UCD112513  Ceanothus parryi M. Wiesendanger 1926-4-1 1492 Napa location unknown. Comment
  SEINET12211101  Ceanothus parryi F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -302 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  CAS-BOT-BC52180  Ceanothus purpureus W. L. Jepson 1904-6-3 2451 Napa Howell Mt. Comment
  CAS-BOT-BC52183  Ceanothus purpureus John Thomas Howell 1931-4-2 6067 Napa Wooden Valley Grade 5 miles East of Napa Comment
  CAS-BOT-BC52185  Ceanothus purpureus Peter H. Raven 1953-5-2 s.n. Napa Soda Creek Canyon 2 miles below Foss Valley 335 Comment
  CAS-BOT-BC52191  Ceanothus purpureus H. E. McMinn 1923-5-25 964 B Napa Summit Wooden Valley Grade Comment
  JEPS105484  Ceanothus purpureus Eva Buxton 2001-4-24 1105 Napa ca 1 mile south of Lake Hennessy, in chaparral on Somona volcanics Comment
  LA44990  Ceanothus purpureus Henry Reents; 1936-5-1 sn Napa Along Monticello Rd., 5 mi. out of Napa Comment
  RSA755230  Ceanothus purpureus Dylan O. Burge 2007-5-4 DOB 904 c Napa Wooden Grade, NE of Mount George, roadside on Monticello Road (SR 121), 3.3 road miles E of Atlas Peak Road or 2.3 road miles W of Wooden Valley Road, at mile marker 13.88, 9.28 km 46 degrees True ENE of Napa. 360 Comment
  UC870642  Ceanothus purpureus John Thomas Howell 1937-7-4 13062 Napa Wooden Valley Grade Comment
  UCD73426  Ceanothus purpureus Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCD82600  Ceanothus purpureus Ellen Dean; T. Starbuck 2009-5-4 5538 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCR21783  Ceanothus purpureus J. R. Haller 1979-5-4 3452 Napa Mead Ranch, near Atlas Peak Road, c. 5 miles (by road) north of state Hwy 121 and 9 miles north of Napa 488 Comment
  SEINET12210810  Ceanothus purpureus W. Knight, Knight, I. 1982-1 4658 Napa Tilden Botanic Garden, Berkeley Comment
  SEINET13946085 Image available Ceanothus sorediatus Lewis S. Rose 1955-1 55043 Napa Conn Lake 5 mi E pf Rutherford. Alt. 500 ft. 152 Comment
  SEINET12210802  Ceanothus velutinus var. laevigatus W. Knight, Knight, I. 1982-1 4666 Napa Tilden Botanic Garden, Berkeley, originally collected from Mt. St. Helena Comment
  CDA7076  Centaurea calcitrapa H. K. Wagnon 1967-8-2 Napa 2.4 miles south of Knoxville, Knoxville-Lake Berryessa Road. 0 Comment
  CAS-BOT-BC277059  Centaurea melitensis Volney Rattan 1897-5-19 s.n. Napa Elmira Comment
  JEPS44140  Centaurea solstitialis W. L. Jepson 1937-9-29 18572 Napa St. Helena (on road to sanitarium) St. Helena Comment
  JEPS46953  Centaurium muehlenbergii Willis L. Jepson 1893-6-24 14629 Napa grade to Napa Soda Springs Napa River Basin Comment
  JEPS106529  Centaurium trichanthum Jake Ruygt 1982-7-18 1370 Napa Cedar Roughs near Guilliam Springs 231 Comment
  JEPS46943  Centaurium trichanthum W. L. Jepson 1918-6-24 7663 Napa Calistoga 109 Comment
  UC1618007  Centaurium venustum Donald G. Nelson 1940-8-7 700 Napa about 1 mile NW of Knoxville on road to Clear Lake. Comment
  UCD35668  Centranthus ruber Beecher Crampton 1960-5-17 5538 Napa About 4 miles north of Lokoya, 3.9 miles west of Oakville. Comment
  CAS-BOT-BC288607  Centromadia fitchii Edward Lee Greene 1881-10-1 s.n. Napa Napa Valley Comment
  CAS-BOT-BC272830  Centromadia parryi subsp. parryi A. A. Heller 1941-9-22 16318 Napa At Calistoga Comment
  JEPS38142  Centromadia parryi subsp. parryi W. L. Jepson 1895-8-30 Napa Calistoga Napa River Basin Comment
  UC1199382  Centromadia parryi subsp. parryi Joseph P. Tracy 1939-10-14 16511 Napa Calistoga, Myrtledale Hot Springs 121 Comment
  CAS-BOT-BC222943  Cephalanthus occidentalis Peter H. Raven 1952-6-28 4212 Napa Pope Cr. below Samuel's [Samuels] Springs 123 Comment
  JEPS51346  Cerastium glomeratum Willis L. Jepson 1897-5-2 Napa Napa River Basin, Rebecca Ranch Grade Upper Napa Valley, Napa River Basin, Rebecca Ranch Grade Comment
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Aug 24 2010
  UCD17984  Cerastium glomeratum Ellen Dean; with Plant Biology 102 class 2001-4-14 710 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. At junction of West Loop Rd. and Decker Bay Trail. 152 Comment
  UCD48853  Cerastium glomeratum C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 16 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Between West Rd. and Decker Bay Trail; approx. 200' NW of jct of West Rd. and Decker Bay Trail; approx. 300' N of creek. 167 Comment
  CAS-BOT-BC179384  Cercis occidentalis Ethel Crum 1937-8-8 1956 Napa 7 miles SE of Monticello, Putah Creek Canyon. Comment
  CAS-BOT-BC179385  Cercis occidentalis John H. Thomas 1955-5-21 5156 A Napa Along State Hwy 128, about 4.5 miles south of Monticello. 167 Comment
  POM247249  Cercis occidentalis E. K. Crum 1937-8-8 1956 Napa Putah Canyon Creek, seven miles southeast of Monticello. Comment
  RSA195520  Cercis occidentalis John H. Thomas 1955-5-21 5156 A Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 168 Comment
  JEPS46425  Cercocarpus betuloides W. L. Jepson 1896-2-23 Napa Howell Mt. Comment
  CAS-BOT-BC135483  Cercocarpus betuloides var. betuloides John Thomas Howell; Alice Eastwood 1937-4-4 3831 Napa Rocky canyon, Wooden Valley Grade east of Napa Comment
  UC187521  Cercocarpus betuloides var. betuloides Katharine Brandegee July 1910 Napa e of Angwin (Howell Mountain); Howell Mountain 914 Comment
  CAS-BOT-BC284574  Chaenactis glabriuscula var. heterocarpha Peter H. Raven 1951-5-20 2852 Napa Hills W. Oakville 548 Comment
  UCD148101  Chamaemelum fuscatum Jake Ruygt 1995-3-29 3411 Napa Lower Chiles Valley Road, across from Calochortus uniflorus site. 277 Comment
  JEPS106429  Chamaesyce nutans Jake Ruygt 1979-8-6 789 Napa .3 miles south of Oak Knoll Ave. on Solano Ave. 30 Comment
  RSA92928  Chamaesyce serpillifolia P. H. Raven 1951-6-24 3011 Napa Napa to Brown's Valley. 61 Comment
  CDA34658  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-12 16437 -A Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  JEPS106425  Chamaesyce serpillifolia subsp. serpillifolia Jake Ruygt 1978-10-22 425 Napa .3 miles north of Airport Rd., Sheehy Cr 6 Comment
  JEPS52338  Chamaesyce serpyllifolia W. L. Jepson 1894-1 13929 Napa St. Helena Comment
  CAS-BOT-BC68160  Cheilanthes intertexta Peter H. Raven 1951-6-10 2921 Napa Crater Region e. of Palisades 762 Comment
  UC1093986  Cheilanthes intertexta Herbert L. Mason 1925-1-22 1209 Napa Wooden Valley Grade Comment
  CHSC102253  Chenopodium album Lowell Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  SEINET5764001 Image available Chenopodium berlandieri H. S. Reed 1948-1 2012 Napa Berryessa Valley, Putah Creek Comment
  UCD161734  Chenopodium berlandieri Jake Ruygt 2006-7-28 5082 Napa south of Airport Road. 13 Comment
  UCD170157  Chenopodium californicum Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 781 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 428 Comment
  RSA90500  Chenopodium californicum Anonymous 1936-04 8179 Napa A mile or so north of Knoxville. Comment
  JEPS106741  Chenopodium macrospermum var. halophilum Jake Ruygt 1993-10-24 3291 Napa near Fagan Slough. 0 Comment
  JEPS106742  Chenopodium multifidum Jake Ruygt 1990-1-4 2429 Napa 1.8 miles north of Dealy Lane on Henry Road 103 Comment
  UC924252  Chenopodium multifidum H. S. Reed 1948-11-5 2055 Napa Berryessa Valley Comment
  UCD48758  Chlorogalum pomeridianum M. Eng 2002-5-4 7 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of West and East roads, along lower road leading to power lines. 297 Comment
  JEPS129032  Chlorogalum pomeridianum var. pomeridianum Jake Ruygt 2016-5-14 6257 Napa Missimer-Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  CAS-BOT-BC238001  Chloropyron molle subsp. molle Peter H. Raven 1952-8-26 5138 Napa Nr. Bentley Wharf 15 Comment
  CAS-BOT-BC256931  Chorizanthe membranacea Peter H. Raven 1951-6-10 2945 Napa Crater Region e. of Palisades 762 Comment
  JEPS110783  Chorizanthe membranacea Jake Ruygt 1988-5-29 2203 Napa between Adams Ridge and Mysterious Valley 536 Comment
  JEPS110782  Chorizanthe polygonoides var. polygonoides Jake Ruygt 1998-5-30 4005 Napa Table Rock 749 Comment
  CAS-BOT-BC36452  Chrysolepis chrysophylla L. R. Abrams 1928-5-4 12280 Napa Mt. St. Helena toll house Comment
  JEPS35982  Cichorium intybus W. L. Jepson 1917-8-16 7432 Napa St. Helena Comment
  RSA95088  Cichorium intybus Joseph A. Ewan 1933-9-17 7998 Napa Vacant lot in Napa, Napa Valley Comment
  CDA11426  Cirsium cymosum G. F. Hrusa, M. Tu 1995-5-6 12149 Napa North Coast Biodiversity Arena; approx. 1.25 m. above Aetna Springs, on Aetna Spr. Rd. Comment
  CDA1210  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
  POM352174  Cirsium occidentale var. venustum T. Gertrude Williamson 1924-7-4 s.n. Napa Near St. Helena, Sulphur Springs Comment
  UCD143081  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
  CAS-BOT-BC169770  Cistanthe quadripetala Herbert L. Mason 1935-5-30 10010 Napa 4 miles N of Knoxville on the Monticello - Lower lake Road Comment
  CAS-BOT-BC160920  Clarkia amoena subsp. amoena M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC172178  Clarkia concinna R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6674 Napa Butt's Canyon, 10 mi. N. of Howell Mt. Comment
  UCD160214  Clarkia concinna James A. Neilson Jr. 1974-5-5 2927 Napa Oakville Grade and Dry Creek Road. (Elevation and coordinates estimated by label-maker using topo map.) 175 Comment
  CAS-BOT-BC172177  Clarkia concinna W. L. Jepson 1897-6-1 s.n. Napa Napa Valley Comment
  UCD21810  Clarkia concinna L. D. Gottlieb 1987-8-1 8740 Napa Hwy. 128, immediately west of Conn Dam. Comment
  CHSC59990  Clarkia concinna subsp. concinna Keith G. Weinstock 1975-5-26 37 Napa Lower Chiles Valley Road and Sage Canyon Road Intersection. Comment
  POM38096  Clarkia concinna subsp. concinna Marcus E. Jones 1881-7-6 s.n. Napa St. Helena. Comment
  UCD104448  Clarkia concinna subsp. concinna L. P. Thibault 1995-5-19 39 Napa Along Highway 128, ca. 1/2 mile W of intersection with Lower Chiles Valley Road and W of Sage Creek. 250 Comment
  UCD164690  Clarkia concinna subsp. concinna L. P. Thibault 1995-6-2 58 Napa South side of Highway 128 approximately 2 miles east of Lower Chiles Valley Road. 300 Comment
  UCD104547  Clarkia gracilis R. C. Herner 1965-5-8 24 Napa State Highway 128, 8 miles W of Monticello Dam. Comment
  UCSB17305  Clarkia gracilis Haller, John 1961-6-18 Napa 7.7 mi SE of Pope Valley; on road to Lake Hennessy 274 Comment
  UC1234609  Clarkia gracilis subsp. albicaulis Peter H. Raven 1962-5-31 17920 Napa 1.9 mi s Lake County line (on Lower Lake-Knoxville road) Comment
  CHSC83403  Clarkia gracilis subsp. gracilis L. P. Janeway; B. Castro 2002-5-12 7537 Napa Inner North Coast Ranges. South-facing slope along Pocock Creek above and below the dirt road from Devilhead Road. 503 Comment
  SEINET4145440  Clarkia gracilis subsp. sonomensis K. Brandegee 1910-5-22 120 Napa Mountain flopes from Calistoga to the Toll House Comment
  UCD20729  Clarkia purpurea subsp. quadrivulnera Ellen Dean; w/ Mark Bibbo 2002-6-17 1093 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 188 Comment
  CAS-BOT-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
  UCD167278  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 2000-5-15 4250 b Napa Henry Road, on old Henry Ranch. 152 Comment
  UCD18460  Clarkia purpurea subsp. quadrivulnera Linda Coats 1983-5-29 42 Napa 1 mile from intersection of Coombsville Rd. and Wild Horse Valley Rd., end of Green Valley Rd. Comment
  CAS-BOT-BC164774  Clarkia rhomboidea Peter H. Raven 1951-6-10 2907 Napa E. of Toll House, Mt. St. Helena 792 Comment
  SEINET7718946  Clarkia rhomboidea Unknown Napa Napa Comment
  CAS-BOT-BC165607  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 182 Comment
  CAS-BOT-BC165608  Clarkia unguiculata John Thomas Howell 1929-5-30 4268 Napa Pope Valley Creek near Samuels Springs, Napa Range Comment
  CDA38066  Clarkia unguiculata Robin Breckenridge 1989-6-8 s.n. Napa St. Helena; Crystal Springs at Silverado Trail. 0 Comment
  JEPS43603  Clarkia unguiculata W. L. Jepson 1923-6-3 9971 Napa Calistoga Napa Valley Comment
  CAS-BOT-BC439132  Claytonia exigua subsp. exigua John Thomas Howell 1926-3-21 1727 A Napa St. Helena Creek below Patten's Comment
  CAS-BOT-BC439378  Claytonia gypsophiloides Alice Eastwood 1915-6-6 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC439377  Claytonia gypsophiloides K. L. Chambers 1978-3-20 4438 Napa Hwy. 128 N of Calistoga, ca. 100 yds. E of Sonoma Co. line (2.5 mi. N of junction with Tubbs Lane Cutoff). Comment
  HSC17749  Claytonia gypsophiloides Elsa Kraeger 1926-3-28 Napa 0.5 mi. from Mt. St. Helena Inn Comment
  POM161337  Claytonia gypsophiloides Rimo C. Bacigalupi 1926-3-28 1269 Napa Patton s Toll House along old road. Comment
  UCD100506  Claytonia gypsophiloides J. M. Tucker 1953-3-26 2637 Napa slope overlooking Highway 29, Mount Saint Helena, 5.2 miles (by road) north of 'city limit' sign on north side of Calistoga. Comment
  JEPS112601  Claytonia parviflora subsp. parviflora Jake Ruygt 1992-3-10 2850 Napa Johnson's Meadow ; Wild Horse Valley Ranch 426 Comment
  UCD49142  Claytonia parviflora subsp. parviflora S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 30 A Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-Off Rd. 152 Comment
  UCD49150  Claytonia parviflora subsp. parviflora L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 12 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream, SE of the intersection of North and South Decker Canyon Rds. 3 ft. from stream, in shade. Comment
  CHSC59800  Claytonia perfoliata Carla de Leon 1975-5-4 20 Napa On mountainside facing Monticello Dam; just west of the county line on State Highway 128. 388 Comment
  CAS-BOT-BC440043  Claytonia perfoliata subsp. perfoliata Elsa G. Ruckert 1960-2-7 10 Napa 6495 Dry Creek Road. Field, 300 yards east of house 365 Comment
  UCD32567  Clematis lasiantha Beecher Crampton 1954-5-18 1918 Napa 10 minutes southwest of Monticello, along highway 128. Comment
  UCD49116  Clematis lasiantha E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., 400 as the crow flies feet NNW of the jct of West Rd. and South Decker Canyon Rd. 167 Comment
  UCD67948  Clematis lasiantha A. Bennett 1977-4-17 13 Napa Hwy. 128, 4.6 mi. w. of Monticello Dam. Growing on N. side of road in mixed chaparral. Liana on scrub oak. Extensive with last year's growth woody. Yellow flowers. Comment
  UCD95627  Clematis lasiantha Bill Wengeler 1995-4-16 s.n. Napa West of city of Winters; 0.2 mi W of Monticello Dam along Hwy 128. 158 Comment
  CAS-BOT-BC92683  Clematis ligusticifolia Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville. Comment
  CAS-BOT-BC92680  Clematis ligusticifolia H. E. McMinn 1922-8-1 384 Napa Unspecified. Comment
  UCD160792  Collinsia heterophylla Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8672 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD123661  Collinsia sparsiflora Jon Weil 1961-3-18 s.n. Napa State Highway 128, between Lake Berryessa and Rutherford. Comment
  UCD69030  Collinsia sparsiflora P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa, Lower Chiles Valley Road. 255 Comment
  UCD71289  Collinsia sparsiflora Kook-Hyun Chung 2001-4-28 6 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; Along West Road, Ca. 0.45 miles(2400ft) NW of jct with South Decker Canyon Road; down slope of road ca. 20 m, On edge of opening interior live oak woodland; flower purple with white center, annual 242 Comment
  UCD14918  Collinsia sparsiflora Gail Matson 1977-4-16 22 Napa along Highway 128, 6.4 miles south-west of Monticello Dam; 213 Comment
  CAS-BOT-BC474520  Collinsia sparsiflora var. arvensis G. F. Hrusa 1995-4-2 12046 Napa North Coast Biodiversity Arena: Franz Valley School Rd, approx. 1 mi E of Napa/Sonoma Co. line 200 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
  JEPS6321  Collinsia sparsiflora var. arvensis Willis L. Jepson 1893-4-24 21333 Napa e St. Helena (hills); Napa River Basin Comment
  RSA195365  Collinsia sparsiflora var. arvensis Gilbert Muth 1967-3-31 598 Napa Old Howell Mountain road. 457 Comment
  CHSC10572  Collinsia sparsiflora var. collina Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  JEPS29585  Collinsia sparsiflora var. collina Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8442 Napa 4.8 miles N of Vichy Springs junction (with Calif. 37) along Atlas Peak road; due W of and above Milliken Reservoir. 335 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
  SEINET4208221  Collinsia sparsiflora var. sparsiflora Richard R. Halse 2013-3-27 8756 Napa Along State Hwy. 128 ca 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners.; 0 239 Comment
  JEPS128915  Collinsia tinctoria Jake Ruygt 1998-5-20 3979 Napa Chiles Canyon about 1/2 mile N of white bridge. Chiles Valley 7.5' Quad. Comment
  JEPS26345  Collinsia tinctoria Joseph P. Tracy 1904-5-23 2086 Napa near Calistoga (Napa Valley, top of Pratt Hill); North Coast Ranges, Napa Valley 91 Comment
  JEPS7295  Collinsia tinctoria W. L. Jepson 1904-6-4 2451 a Napa Keller Ranch, Calistoga Keller Ranch Comment
  CAS-BOT-BC229530  Collomia diversifolia M. S. Baker 1948-5-12 12038 Napa Butts Canyon just below Black Oak Villa Comment
  JEPS101634  Collomia diversifolia Dean W. Taylor 1998-6-18 16671 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley 289 Comment
  JEPS112561  Collomia diversifolia Jake Ruygt 1998-4-22 3932 b Napa Turner Mtn. about .6 mile from intersection Cement Cr Rd/Myster.V 475 Comment
  UCD160748  Collomia diversifolia Ellen Dean 2015-5-23 8800 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
  UCD18066  Collomia diversifolia Ellen Dean; with Plant Biology 102 class 2000-4-22 621 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
  RSA10667  Collomia heterophylla C. B. Wolf 1928-5-3 1822 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA304646  Collomia heterophylla D. H. Wilken 1973-5-6 11926 Napa Summit of Howell Mtn. Road, between Anguin and Pope Valley 518 Comment
  UCD112237  Collomia heterophylla Christopher Mallek 2008-5-12 AS2- 7 Napa Aetna Springs. 668 Comment
  UCD126136  Convolvulus arvensis M. R. Wanzer 1948-5-6 15 Napa Putah Canyon, 9 miles west of Winters. Comment
  JEPS6810  Cordylanthus pilosus subsp. pilosus Willis L. Jepson 1894-10-14 21346 Napa Rebecca Ranch grade Calistoga Comment
  RSA128655  Cordylanthus pilosus subsp. pilosus Peter H. Raven 1951-8-21 3864 Napa Ridge s.e. of Mt. Veeder. 671 Comment
  RSA516551  Cordylanthus pilosus subsp. pilosus R. C. Bacigalupi, G. Thomas Robbins, C. L. Custer 1954-8-9 4750 Napa Grade over shoulder of Mt. St. Helena, road from Calistoga to Middletown, near Hanley's Resort. 511 Comment
  OBI57117  Cordylanthus pringlei T. I. Chuang, Fei-Mei Chuang 1970-7-25 6831 Napa 0.9 mi N of Napa and Lake County line on US hwy 29 Comment
  JEPS55938  Cordylanthus tenuis subsp. brunneus T. I. Chuang and F. M. Chuang 1968-7-24 6485 Napa 10.9 mi n Calistoga Comment
  JEPS69351  Cordylanthus tenuis subsp. brunneus T. I. Chuang 1972-7-8 7061 Napa just s Napa and Lake Co. line (on Hwy 29) Comment
  CAS-BOT-BC209802  Cornus glabrata Blanche Clear 1938-5-28 s.n. Napa Highway, Alexander Valley Comment
  JEPS50114  Cornus glabrata W. L. Jepson 1893-9-21 14149 Napa Wooden Valley Comment
  RSA41989  Cornus glabrata Ella Dales Cantelow 1939-5-7 2530 Napa 3.5 miles S.E. of Knoxville. Comment
  UC21512  Cornus glabrata unknown 2657 Napa Pope Valley Comment
  CAS-BOT-BC209415  Cornus nuttallii John Thomas Howell 1926-3-21 1709 Napa St. Helena Creek near Patten's 701 Comment
  JEPS50156  Cornus nuttallii W. L. Jepson 1896-2-22 14142 Napa Howell Mt. Comment
  POM298446  Cornus nuttallii H. C. Cantelow 1936-3-22 s.n. Napa Howell Mt. Comment
  RSA52657  Cornus nuttallii I. L. Wiggins 1949-4-30 12090 Napa Along draw on NE flank of Mount St. Helena. 915 Comment
  UCSB27482  Cornus nuttallii Havlik, Neil 1969-6-29 Napa Along Trout Creek; near State Highway 29 609 Comment
  UC127159  Cornus sericea subsp. sericea Harley P. Chandler Sep 7 1906-Sep 14 1906 7150 Napa Alta Loma Ranch 487 Comment
  POM339717  Corylus cornuta var. californica F. R. Fosberg 1967-9-10 48646 Napa Near Haven Place above St. Helena, Napa Valley. Comment
  JEPS129154  Cotula coronopifolia Jake Ruygt 1978-3-31 256 Napa 2.5 miles west of Highway 29 on Green Island Road. Cuttings Wharf 7.5' Quad. Comment
  UCD149722  Crassula connata Stephen P. Rae; Ayzik Solomeshch 2007-3-14 Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD74322  Crepis pulchra Ayzik Solomeshch 2007-5-28 s. n. Napa Northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC1746479  Crepis pulchra Jake Ruygt 1999-5-15 4158 Napa W of Napa (along Patrick Rd., cs 2 mi w of Browns Valley Rd.) 200 Comment
  JEPS106398  Cressa truxillensis Jake Ruygt 1981-7-20 1070 Napa Fagan's Marsh 2 Comment
  UCD89672  Crocanthemum scoparium Catherine E. Koehler 2005-5-14 s.n. Napa McLaughlin Reserve, between pond 6 and site 5. 374 Comment
  CAS-BOT-BC190055  Crypsis schoenoides Peter H. Raven 1951-10-28 3936 Napa Strand at west end of Conn Lake. 152 Comment
  HSC97186  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa 4 mi. east of Rutherford, Conn Reservoir 91 Comment
  JEPS115739  Crypsis schoenoides Lowell Ahart 2009-10-12 16462 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winte 133 Comment
  OBI74553  Crypsis schoenoides David J. Keil 1986-11-8 19798 Napa Along Lake Berryessa Knoxville Rd near Knoxville:3.0 mi S of turnoff to Homestake McLaughlin Mine/Mill 350 Comment
  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
  UC1259364  Crypsis schoenoides Barry Hammel 1976-5-30 454 Napa Lake Berryessa Comment
  UCD59944  Crypsis schoenoides Beecher Crampton 1963-9-19 6898 Napa North end of Capell Valley, above Capell Creek, State Hwy. 128. Comment
  UCD59945  Crypsis schoenoides Beecher Crampton 1962-9-11 6673 Napa Wragg Canyon Resort, Lake Berryessa. Comment
  SEINET3930503  Crypsis schoenoides David Keil 1986-11-8 19798 Napa Along Lake Berryessa Knoxville Road near Knoxville. Located 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  UCD145270  Crypsis schoenoides Barry Hammel 1976-5-30 455 Napa Lake Hennessy. Comment
  SBBG117229  Cryptantha clevelandii B. Crampton 1954-5-20 1929 Napa 8 mi SW of Monticello, along Hwy 128 Comment
  SEINET4206988  Cryptantha clevelandii var. dissita Beecher Crampton 1954-5-20 1929 Napa 8 miles southwest of Monticello, along highway 128.; 0 Comment
  UCD32575  Cryptantha dissita Beecher Crampton 1954-5-20 1929 Napa 8 miles southwest of Monticello, along highway 128. Comment
  JEPS106756  Cryptantha flaccida Jake Ruygt 1982-4-18 1187 Napa Calistoga Grade, Mt.St.Helena 353 Comment
  UCD161331  Cryptantha flaccida Jake Ruygt 1987-4-18 977 c Napa Harris Canyon. (Coordinates estimated by label maker at UC Davis). Comment
  UC912356  Cryptantha flaccida Herbert L. Mason 1934-4-30 8105 Napa 5 mi s Monticello (tributary of Putah Creek); Putah Creek Comment
  JEPS100375  Cryptantha hispidula Dean W. Taylor 2001-5-15 17651 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS129033  Cryptantha hispidula Jake Ruygt 2016-5-14 6256 Napa Near south base of Snell Peak. Aetna Springs 7.5' Quad. Comment
  UCD74373  Cryptantha hispidula Jake Ruygt 2004-5-8 4595 Napa Berryessay-Knoxville Rd., about 1.6 mi. north of Homestake tunnel. 640 Comment
  JEPS106881  Cryptantha muricata Jake Ruygt 1996-4-12 3603 b Napa Blue Ridge, north of Monticello Dam. 621 Comment
  CAS-BOT-BC80722  Cupressus macnabiana John Thomas Howell 1931-4-3 6143 Napa Near Aetna Springs, Pope Valley, Napa Range Comment
  CHSC108742  Cupressus macnabiana B. Castro; L. P. Janeway 2002-5-12 1362 Napa Inner North Coast Ranges. SW-facing slope along Devilhead Road 0.5 mi south of Berryessa-Knoxville Road and Knoxville Creek. 487 Comment
  JEPS41068  Cupressus macnabiana Rimo Bacigalupi, & L. R. Heckard, J. R. Sweeney 1965-5-16 9105 Napa 1 mi n of headwaters of Zim Zim Creek (along Devilhead Road); Devilhead Road 493 Comment
  JEPS46565  Cupressus macnabiana W. L. Jepson 1933-10-8 16553 Napa Knoxville Ridge Knoxville Ridge (n Napa Co.) Comment
Read comments
Mar 24 2009
  UCD133528  Cupressus macnabiana D. Mattson 1969-10-18 9 Napa Knoxville Public Lands. 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
  RSA995  Cupressus sargentii J. T. Howell 1927-8-24 690 Napa Butts Valley, Napa Range Comment
  RSA996  Cupressus sargentii J. T. Howell 1927-8-24 691 Napa Butts Valley, Napa Range Comment
  UCD167093  Cuscuta brachycalyx Jake Ruygt 2015-7-4 6146 Napa Missimer -Snell Valley Preserve. 180 Comment
  UCD69069  Cuscuta californica P. Rodriguez-Rojo 1997-5-31 Napa Butts Canyon Rd. Butts Creek. Parasite on annual grasses. UTM: 10SEN4884 180 Comment
  JEPS47133  Cuscuta subinclusa W. L. Jepson 1930-10-19 15696 Napa Butts Canyon, ne Napa County Butts Canyon Comment
  JEPS47143  Cuscuta subinclusa W. L. Jepson 1894-11-5 70 b Napa Rural Health Retreat Napa Valley, St. Helena Comment
  SEINET7940323  Cuscuta subinclusa H. P. Chandler 1906-1 7123 Napa Alta Loma Ranch, Howell Mountain. 488 Comment
  SEINET197745  Cynoglossum grande R. C. Bechtel 1952-3-16 19 Napa Putah Canyon 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-BC190369  Cynosurus cristatus John Thomas Howell 1943-6-20 18239 Napa Hills southwest of St. Helena. 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
  UCD20706  Cyperus eragrostis Mark Bibbo 2002-7-28 76 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  UC579870  Cyperus eragrostis Annetta Carter 1935-12-1 1018 Napa w. side Wooden Valley Grade Comment
  JEPS121342  Cyperus erythrorhizos Jake Ruygt 1986-8-23 1904 Napa Conn Creek, west of spillway of lake. Comment
  JEPS121341  Cyperus niger Jake Ruygt 1986-7-29 1889 Napa Milliken Drive, Silverado Country Club. Comment
  JEPS129139  Cyperus squarrosus Jake Ruygt 1998-7-18 4096 Napa Bear Valley at pond. Detert Reservoir 7.5' Quad. Comment
  UCD148559  Cypselea humifusa Jake Ruygt 1987-10-12 2101 Napa Napa County; Sage Canyon Rd., Lake Hennessey, at boat dock. 91 Comment
  JEPS103990  Cystopteris fragilis Jake Ruygt 1993-3-6 3167 Napa Skyline Park, Skyline trail. 85 Comment
  UC185006  Danthonia californica J. P. Tracy 1902-5-21 1612 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 518 Comment
  UCD37950  Danthonia californica Beecher Crampton 1962-5-16 6437 Napa Napa County, town of Pope Valley. Comment
  JEPS110902  Datura ferox Jake Ruygt 2001-10-22 4346 Napa Solano Avenue at Oak Knoll Avenue 33 Comment
  RSA187491  Daucus pusillus John H. Thomas 1955-5-21 5139 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa 244 Comment
  UCD48432  Daucus pusillus K. Mogel; B. Pekin and M. Higley 2002-5-4 7 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 300 ft along the lower road that leads to the power lines; side of road. 310 Comment
  CAS-BOT-BC287369  Deinandra corymbosa Peter H. Raven 1951-6-24 3031 Napa Valley floor W of Napa 60 Comment
  LA38211  Delphinium hesperium G. Mehlquist; 355 Napa 6 mi. S of Monticello on road to Napa Comment
  CAS-BOT-BC10110  Delphinium hesperium subsp. pallescens David Daniels Keck 1933-5-29 2366 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC10113  Delphinium hesperium subsp. pallescens George Ledyard Stebbins 1967-5-31 6523 Napa Cedar Valley south of Knoxville 609 Comment
  JEPS13748  Delphinium hesperium subsp. pallescens Frank W. Gould 1939-4-7 620 Napa one mile North of Knoxville on road to Lower Lake 457 Comment
  CAS-BOT-BC9808  Delphinium nudicaule L. R. Abrams 1928-5-3 12242 Napa Summit St. Helena Grade Comment
  UCD102766  Delphinium nudicaule Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 200 Comment
  RSA155464  Delphinium nudicaule L. S. Rose 1961-3-30 61027 Napa 1 mile N of Conn Reservoir, Lake Henessy. 152 Comment
  UCD32413  Delphinium patens Beecher Crampton 1950-5-7 568 Napa Napa County, east side of Napa Valley, along Silverado Trail, along roadside entering southern portion of Conn Valley. 68 Comment
  CAS-BOT-BC116487  Delphinium patens subsp. patens P. Raven 1950-4-15 1749 Napa Wooden Valley Grade, above Napa 457 Comment
  CAS-BOT-BC116488  Delphinium patens subsp. patens J. T. Howell 1931-4-2 6105 Napa 4 miles from Monticello on road to Napa Comment
  CAS-BOT-BC116496  Delphinium patens subsp. patens Alice Eastwood 1930-6-8 6815 Napa On the old Toll Road below Pattens's, Mt. St. Helena region Comment
  JEPS110976  Delphinium uliginosum Jake Ruygt 1991-5-25 2692 Napa Paradise Valley 280 Comment
  UCD54385  Delphinium uliginosum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. 390 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
  JEPS23359  Delphinium variegatum Miss R. Kuhn 1912-4-17 Napa Oakville Napa Valley Comment
  CAS-BOT-BC7910  Delphinium variegatum Joseph Prince Tracy 1902-5-20 1566 Napa Lower slopes of Howell Mt. near St. Helena 304 Comment
  LA207580  Delphinium variegatum H. Lewis; G. Mehlquist 1941-5-8 sn Napa Monticello to Napa Rd, 5.1 mi. S. of the road to St. Helena Comment
  RSA128562  Delphinium variegatum Peter H. Raven 1953-5-2 5381 Napa Hills due E of Yountville. 244 Comment
  UC1031438  Delphinium variegatum H. Lewis and G. Mehlquist 1941-5-9 Napa 16.2 mi n Monticello Comment
  RSA0102440  Delphinium variegatum subsp. variegatum Mildred E. Mathias 1938-4-24 1334 Napa E side of Mt St. Helena. 457 Comment
  UC160941  Delphinium variegatum subsp. variegatum Joseph P. Tracy 1902-5-20 1566 Napa lower slopes of mt. near St. Helena; Northern Coast Ranges, Howell Mt. 304 Comment
  UC638502  Delphinium variegatum subsp. variegatum Mildred Mathias 1938-4-24 1334 Napa slopes above road on e side of mt. Mount St. Helena 457 Comment
  CHSC25103  Dendromecon rigida J. E. Beitler 1970-4-19 24 Napa Napa. Located on N. side of road ca. 20 feet in from road shoulder, ca. 11.7 mi. W. on Napa-Monticello road from Moskowite Corners. Comment
  JEPS110778  Dendromecon rigida Jake Ruygt 1987-5-16 1991 Napa Bismark Knob 606 Comment
  UC1196301  Dendromecon rigida J. P. Tracy 1899-6-19 406 Napa head of creek 3-4 mi e Angwin's; Howell Mountain, Moore's Creek 457 Comment
  UC9989  Dendromecon rigida Willis L. Jepson 1893-4-25 Napa w St. Helena; Napa River Basin, Caux's Cabin Comment
  CAS-BOT-BC659  Dendromecon rigida subsp. rigida Alice Eastwood 1923-5-9 s.n. Napa Mt. St. Helena. Comment
  CDA11314  Deschampsia cespitosa G. F. Hrusa 1988-4-16 5536 Napa North Coast Biodiversity Arena; Butts Canon, ~6 m. N Aetna Springs. Comment
  POM126101  Deschampsia cespitosa Joseph P. Tracy 1902-5-18 1543 Napa Head of Moore's Creek 518 Comment
  UCD21550  Deschampsia cespitosa A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 4 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, west side of pool at confluence of Sensitive Plant Canyon and Hunting Creek. 335 Comment
  UCR43085  Deschampsia cespitosa subsp. cespitosa L. F. LaPre 1986-5-6 s.n. Napa Inner North Coast Ranges, Cedar Creek, 3.5 mi SW of Knoxville & c. 0.5 mi (air) west of Devilhead Road at the junction of the creek & a dirt road 550 Comment
  CAS-BOT-BC198142  Deschampsia danthonioides Peter H. Raven 1951-6-10 2928 Napa Crater Region S of Palisades 762 Comment
  JEPS122988  Deschampsia danthonioides Jake Ruygt 1996-5-4 3654 Napa Butts Canyon Road at James Creek Road; SE field. Quad: Aetna Springs. Comment
  UC143048  Dichelostemma capitatum C. F. Baker 1903-4-20 2612 Napa Mt. St. Helena Comment
  UCD48782  Dichelostemma capitatum L. Wynholds; S. Du Plessis, B. Erickson, C. Malleck 2001-4-14 13 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along Decker Canyon Rd. Near the intersection of North and South Decker Canyon roads, on opposite side of stream from road, 15-20 ft. from the stream. 152 Comment
  UC421802  Dichelostemma capitatum H. P. Chandler 1907-5-8 7563 Napa White Sulphur Springs St. Helena Comment
  CHSC27760  Dichelostemma capitatum subsp. capitatum Ethel Pearson 1978-3-24 1 Napa Ca. 2.8 mi w of junction of State Hwy. 128 with Steele Canyon Rd. on Steele Canyon Rd. 152 Comment
  UCD18070  Dichelostemma capitatum subsp. capitatum Ellen Dean; with Plant Biology 102 class 2000-4-22 625 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
  UCD68011  Dichelostemma congestum P. J. Plummer 1995-5-27 s.n. Napa Napa County Highway 128. Ascending, growing on grassy East facing hillside. Flowers, lavendar. 335 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-BC153779  Diplacus angustatus John Thomas Howell 1940-5-19 15465 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC150360  Diplacus aurantiacus Richard R. Halse 1989-5-13 3833 Napa Along State Hwy. 29, on the Calistoga Grade, 2.7 miles north of Calistoga 240 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-BC151959  Diplacus douglasii Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC151960  Diplacus douglasii Maxine Wilkes 1940-5-1 s.n. Napa Headwaters of St. Helena Creek Comment
  UCSC010461  Diplacus layneae Dylan M. Neubauer, Tim Forsell 2016-4-1 608 Napa (NCoRI) just east of Butts Canyon Road, 2.49 air-miles sse Snell Peak 329 Comment
  CDA10950  Disporum hookeri G. F. Hrusa, G. L. Stebbins 1994-4-8 11708 Napa North Coast Biodiversity Arena; Las Posadas State Forest. Main canyon of upper Moore's Creek. Comment
  SEINET4170353  Disporum hookeri C. H. Lamoureux, J. M. Tucker , Roman Gankin 1957-4-11 1207 Napa Junction of Glass Mountain Road abd Siverado Trail Comment
  CAS-BOT-BC208622  Distichlis spicata Alice Eastwood 1915-6-5 4635 Napa Calistoga Comment
  RSA15626  Dodecatheon hendersonii Carl B. Wolf 1928-2-25 1480 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UCD17963  Dodecatheon hendersonii Ellen Dean; Kate Mawdsley 2001-4-9 680 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along South Decker Canyon Rd., south of jct with Cutoff Rd. 213 Comment
  UCD147463  Downingia Ellen Dean; Diana Hickson 2014-4-29 8076 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS106567  Downingia concolor var. concolor Jake Ruygt 1978-5-14 308 Napa .3 miles south of Oak Knoll Ave. on Silverado Trail;east 19 Comment
  UCD148768  Downingia concolor var. concolor Jake Ruygt 1982-6-13 1322 Napa Napa County; Pope Canyon Rd., near large vernal pond on south side of road. 185 Comment
  UCD167135  Downingia cuspidata Jake Ruygt 2015-5-23 6108 d Napa West of Buck Mountain. 599 Comment
  JEPS126076  Downingia pulchella Jake Ruygt 1993-5-14 3262 Napa West of American Canyon near county line. Cuttings Wharf 7.5' Quad. Comment
  UC1188751  Downingia pusilla John H. Weiler 1960-4-22 60103 Napa 2.1 mi s Napa State Hospital entrance (at the side of State Highway 29) Comment
  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
  UCD67886  Dryopteris arguta D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Knoxville-Berryessa Road. Valley oak forests (Quercus lobata) in large creeks. 260 Comment
  UC1127116  Dudleya cymosa B. O. Schreiber 1938-4-24 2505 Napa 1/2 mi nw Knoxville; Reiff Qaudrangle 609 Comment
  UC166484  Dudleya cymosa Joseph P. Tracy 1902-5-22 1630 Napa 3-4 mi e Angwin's (on hills at head of More's Creek); Northern Coast Ranges, Howell Mtn 365 Comment
  UC1350504  Dudleya cymosa Helen-Mar Wheeler 1953-5-23 Napa 2.5 mi w intersection of Montecello-Napa Rds 152 Comment
  CAS-BOT-BC428111  Dudleya cymosa subsp. cymosa S. M. Carpenter 1952-4-20 46 Napa Near Samuel's Springs 106 Comment
  CAS-BOT-BC428156  Dudleya cymosa subsp. cymosa Alice Eastwood 1930-4-1 s.n. Napa In canon on way to Pope Valley Comment
  CHSC102279  Echinochloa colona Lowell Ahart 2009-10-12 16463 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  RSA123460  Echinochloa crus-pavonis B. O. Schreiber 1936-8-16 2325 Napa 0.8 mile south of Yountville 152 Comment
  RSA491735  Echinodorus berteroi James L. Reveal 1987-6-7 6409 Napa Along CA Hwy 128 at the upper end of Lake Hennessey, just W of the turnoff to the Chiles and Pope Valley Road, about 6.5 airline miles ESE of St Helena. Comment
  UC1562883  Echinodorus berteroi Barbara Ertter with Elizabeth Neese 1988-10-2 7968 Napa Lake Hennessey ca. 15 airmiles n.n.w. of Napa (e. of boat-launching ramp on s.e. edge, on Conn Creek in N. Coast Ranges); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  CAS-BOT-BC445573  Echinodorus berteroi James L. Reveal 1987-6-7 6409 Napa Along California Highway 128 at the upper end of Lake Hennessey on meadowy flats just west of the turnoff to the Chiles and Pope Valley road, about 6.5 airline miles east-southeast of St. Helena Comment
  JEPS121356  Eleocharis macrostachya Jake Ruygt 1996-5-13 3666 Napa .9 mile south of Pope Canyon Road on Hardin Road. Comment
  JEPS129111  Eleocharis macrostachya Jake Ruygt 2015-5-13 6099 Napa East of Zim-Zim Creek parking lot. Knoxville 7.5' Quad. Comment
  JEPS121353  Eleocharis parvula Jake Ruygt 1986-7-13 1879 b Napa SW of Buchli Station near county line Comment
  CAS-BOT-BC112167  Eleocharis radicans Peter H. Raven 1952-8-25 5127 Napa Nr. Lokoya. 609 Comment
  JEPS121352  Eleocharis radicans Jake Ruygt 1986-5-4 1741 Napa Suscol Hill east of Hwy 221 Comment
  UC1103203  Elymus glaucus J. P. Tracy 1899-6-13 347 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 365 Comment
  UCD17975  Elymus glaucus Ellen Dean; with Plant Biology 102 class 2001-4-14 700 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, below stock pond. 152 Comment
  JEPS122976  Elymus multisetus Jake Ruygt 1986-5-17 1768 Napa 0.4 mile east of Flosden Road on American Canyon Road. Quad: Cordelia. Comment
  UCD62718  Elymus trachycaulus Beecher Crampton 1954-10-26 2301 Napa Conn Reservoir, 4 miles east of Rutherford. Comment
  UCD170361  Emmenanthe penduliflora var. penduliflora Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 859 Napa East of Nevada Creek, just west of Knoxville Wildlife Area boundary. 383 Comment
  UCD160763  Epilobium campestre Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8633 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
  JEPS44029  Epilobium canum subsp. canum W. L. Jepson 1922-10-22 9834 Napa bed of White Sulphur Creek St. Helena Comment
  RSA505681  Epilobium canum subsp. canum Gordon H. True Jr. 1937-10-12 844 Napa Road cut on road from Napa to Lokoya Lodge 305 Comment
  CAS-BOT-BC171952  Epilobium canum subsp. latifolium T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain Comment
  JEPS39259  Epilobium ciliatum subsp. ciliatum Willis L. Jepson 1893-9-24 14465 Napa Napa River Basin, Howell Mt. Howell Mt.; Napa River Basin, Howell Mt. Comment
  UCD167248  Epilobium densiflorum Jake Ruygt 1996-7-13 3774 Napa Angwin, near Sanitation ponds. 481 Comment
  UC1198490  Epilobium foliosum J. P. Tracy 1899-6-14 359 Napa flat at top of mt. Howell Mountain, Moore's Creek (head of creek, 3-4 mi e of Angwin's) 518 Comment
  SEINET7072772 Image available Epilobium minutum A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  UCD118627  Epilobium minutum Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  UCD164758  Epipactis gigantea Jake Ruygt 2014-5-24 5955 Napa Sutro Ranch, Atlas Peak, junction road to Fir canyon and driveway. Comment
  JEPS120438  Epipactis helleborine Jake Ruygt 2002-6-22 4438 Napa Devil's Canyon near Redwood Creek. Comment
  CAS-BOT-BC56978  Equisetum arvense Peter H. Raven 1952-5-31 4111 Napa Conn Cr. e. of Yountville 45 Comment
  JEPS116560  Equisetum laevigatum Jake Ruygt 1996-4-22 3621 Napa Sheehy Creek at Executive Court. Cuttings Wharf 7.5' Quad. Comment
  JEPS103965  Equisetum telmateia Jake Ruygt 1993-3-7 3169 Napa end of Conn Valley Rd. (county road) 97 Comment
  JEPS7802  Ericameria arborescens Peter H. Raven 1951-8-20 3857 Napa near Lokoya 548 Comment
  JEPS41421  Erigeron biolettii Willis L. Jepson 1893-1 Napa Howell Mt. Napa River Basin Comment
  CHSC102267  Erigeron canadensis Lowell Ahart 2009-10-27 16477 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CAS-BOT-BC295129  Erigeron greenei John Thomas Howell 1933-8-27 11625 Napa Sage Canyon, Napa Range Comment
  JEPS106948  Erigeron philadelphicus var. philadelphicus Jake Ruygt 1979-5-24 636 Napa 2.5 miles east of Chiles-Pope Valley Rd. on HWY 128 219 Comment
  RSA201835  Eriodictyon californicum Stephen Willeford 1964-5-1 4 Napa East side of State Highway 128, 3 miles southwest of Monticello Dam. 183 Comment
  RSA293008  Eriodictyon californicum Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 744 Napa Mt. Saint Helena. Comment
  UCD48051  Eriodictyon californicum E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 11 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devil Road. 515 Comment
  UCD49079  Eriodictyon californicum K. Mogel; B. Pekin and M. Higley 2002-5-4 17 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 400 ft. along the upper road that leads to the power lines; on side of road. 335 Comment
  UC623311  Eriogonum compositum var. compositum H. L. Mason 1939-5-18 12101 Napa near St. Helena (near summit of Spring Mountain Grade); Spring Mountain Grade Comment
  SBBG1475  Eriogonum dasyanthemum J. M. Tucker 1941-9-20 394 Napa Putah Cyn, Vaca Range Comment
  UC534876  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa near Chiles School (upper part Sage Valley); Napa Mountains, Sage Valley Comment
  CAS-BOT-BC266070  Eriogonum luteolum Peter H. Raven 1951-5-20 2851 Napa Hills W. Oakville 548 Comment
  POM204403  Eriogonum luteolum J. T. Howell 1933-8-17 11622 Napa Sage Canyon, Napa Range Comment
  SD22495  Eriogonum luteolum Susan G. Stokes 1933-8-27 Napa Near Chiles School Comment
  JEPS110760  Eriogonum luteolum var. luteolum Jake Ruygt 1992-8-31 3131 Napa Wild Horse Valley Ranch, north of Leoma Lakes 411 Comment
  JEPS129116  Eriogonum luteolum var. luteolum Jake Ruygt 2015-7-4 6144 Napa Missimer - Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  JEPS57051  Eriogonum luteolum var. luteolum Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena Comment
  LA206912  Eriogonum luteolum var. luteolum Susan G. Stokes; 1933-8-27 80 Napa Sage Canyon, Napa Mountains Comment
  SEINET3405141 Image available Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa mountains. Comment
  SEINET3405144 Image available Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 80 Napa Sage Canyon, Napa Mountains Comment
  UC1198106  Eriogonum luteolum var. luteolum J. P. Tracy 1899-7-6 442 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain, Moore's Creek 365 Comment
  UC535081  Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon Napa Mountains, Sage Canyon Comment
  UCD164785  Eriogonum luteolum var. luteolum Jake Ruygt 2000-9-1 Napa Aetna Springs Rd just beyond resort. 259 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
  UCD48085  Eriogonum luteolum var. luteolum Robert Wolfson; J. Westbrook, S. Ratay, A. Houser, M. Disney, S. Wathen 2000-4-22 35 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles South of Berryessa-Knoxville Rd. Along east side of Devilhead Rd, 1 st ridge south of Devilhead Rd. 518 Comment
  UCD149073  Eriogonum nervulosum G. Ledyard Stebbins 1985-6-17 C 534 Napa Northwest of Dunnigan Hill. West of Hunting Creek. Southwest of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) 432 Comment
  SD22481  Eriogonum nudum Susan G. Stokes 1933-8-27 Napa Chiles Valley Comment
  RSA491734  Eriogonum nudum var. auriculatum James L. Reveal 1987-6-7 6408 Napa Along California Highway 128 near Sage Creek, 1.8 mile east of the junction of the Chiles and Pope Valley Road and 2.9 miles southwest of the junction of Lower Chiles Valley Road Comment
  UCD170463  Eriogonum nudum var. nudum Daniel Potter; Ninh Khuu 2016-6-18 892 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 442 Comment
  UCD164790  Eriogonum nudum var. nudum Jake Ruygt 2007-7-22 5249 Napa Conn Valley Road near Rossi Road. 115 Comment
  CAS-BOT-BC269713  Eriogonum nudum var. oblongifolium Peter H. Raven 1951-8-21 3869 Napa Ridge s.e. of Mt. Veeder 670 Comment
  JEPS110856  Eriogonum umbellatum var. bahiiforme Jake Ruygt 1980-6-21 935 Napa Bear Valley 621 Comment
  CAS-BOT-BC301046  Eriophyllum lanatum var. achilleoides S. Saufferer 1973-5-24 222 Napa About 5 mi. northeast of Calistoga along Highway #29 Comment
  JEPS34583  Eriophyllum lanatum var. achilleoides Willis L. Jepson 1892-7-17 14553 Napa Knoxville ne Napa County, Knoxville Comment
  SFV5089  Eriophyllum lanatum var. achilleoides B. C. Templeton 1957-6-27 s. n. Napa Calistoga. Near Hill and Connors ranches. Comment
  UC165864  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1904-5-23 2092 Napa near Calistoga (e side of Napa Valley); Northern Coast Ranges, Napa Valley 243 Comment
  HSC5611  Eriophyllum lanatum var. grandiflorum Greg Bos 1963-3-24 49 Napa NW end of Lake Berryessa, at Putah Creek 473 Comment
  JEPS106525  Erodium brachycarpum Jake Ruygt 1991-4-20 2629 Napa Cooksley Lake, Friesen's Lakes,Angwin 615 Comment
  RSA161146  Eruca vesicaria subsp. sativa P. H. Raven 1957-5-5 10785 Napa Calistoga 91 Comment
  JEPS104536  Eryngium aristulatum Jake Ruygt 1988-5-7 2182 Napa .5 miles east of Flosden Rd., American Canyon 173 Comment
  OBI74549  Eryngium aristulatum David J. Keil 1986-11-8 19795 Napa Along Lake Berryessa Knoxville Rd. near Knoxville. 3.0 mi south of turnoff to Homestake McLauglin Mine/Mill. 350 Comment
  SEINET5642298  Eryngium aristulatum David Keil 1986-11-8 19795 Napa Along Lake Berryessa Knoxville Road near Knoxville. 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  JEPS101784  Eryngium aristulatum var. aristulatum Dean W. Taylor 1999-7-20 17287 Napa Crystal Lake (large vernal lake west of Highway 128 and Capell Creek) 350 Comment
  JEPS17436  Eryngium aristulatum var. aristulatum Willis L. Jepson 1903-9-7 2352 Napa above St. Helena Reservoir; Napa River Basin Comment
  RSA0020856  Eryngium aristulatum var. aristulatum David J. Keil 1986-11-8 19795 Napa Along Lake Berryessa Knoxville Road near Knoxville. 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill. 350 Comment
  RSA181406  Eryngium aristulatum var. aristulatum James I. McMurphy 1910-6-7 s.n. Napa Between Napa and Petaluma Comment
  UC1784182  Eryngium armatum Ethel Crum 1930-7-13 817 Napa hill near Napa Comment
  JEPS122697  Eryngium vaseyi Jake Ruygt 1987-5-27 2017 Napa D. F. G. property near Buchli Station. Quad: Cuttings Wharf. 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
  UCD74392  Erysimum capitatum var. capitatum Jake Ruygt 1995-5-8 3473 Napa 1.5 miles south of boatramp on Sage Canyon Rd. Taylor's. 402 Comment
  SD7101  Erythranthe guttata Brandegee Sept 1888 Napa Howell Mountain Comment
  SEINET14046079 Image available Erythranthe microphylla C. G. Baughn 1949-1 21 Napa beside Highway 12, 3 1/4 miles northwest of Cordelia. Comment
  CAS-BOT-BC133291  Erythronium helenae Elmer I. Applegate 1932-3-22 7031 Napa Mount St. Helena, just east of the Palisades on the old stage road Comment
  CAS-BOT-BC26158  Erythronium helenae Elmer 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
  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
  UCD48074  Eschscholzia caespitosa R. Brush; A. Atamian, C. Owens, S. Olmsted, M. Furuyama 2000-4-29 9 Napa 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 a burned area (burned Oct 1999). 640 Comment
  UCD48075  Eschscholzia caespitosa M. Carson; A. Haselby, S. Howard, P. Mayers 2000-4-29 2 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  CAS-BOT-BC402784  Eschscholzia caespitosa Mrs. H. C. Cantelow 1939-4-8 2513 Napa Pope Creek Rd. nr. Walter's Spring Rd. Comment
  CAS-BOT-BC402789  Eschscholzia caespitosa J. Clausen 1935-5-22 1067 Napa 19.5 mi. S. E. of Lower Lake on the Monticello road, near Knoxville (ca. 1.3-1.6 mi. S. of Knoxville) Comment
  UCD95262  Eschscholzia caespitosa M. R. Wanzer 1948-5-6 18 Napa in Putah Canyon, 13 miles west of Winters. Comment
  CAS-BOT-BC403340  Eschscholzia californica Brandegee 1889-4-1 A Napa Mt. St. Helena Comment
  SD8239  Eschscholzia californica Brandegee Apr 1888 Napa Mt. St. Helena. 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
  CAS-BOT-BC403332  Eschscholzia californica Hilda Smyth 1899-1-1 s.n. Napa Napa Comment
  UC186886  Eschscholzia californica C. F. Sonne April, 1887 Napa Napa Valley Comment
  UCD14360  Eschscholzia californica Kathi A. Zurakowski 1984-4-8 s.n. Napa Napa Co.; 0.73 miles along road towards the south shore of Lake Berryessa Resort (from where it begins); Comment
  RSA0004638  Eschscholzia formosa C. F. Baker 1903-4-20 2614 Napa Mt. St. Helena. Comment
  UCD103236  Eucalyptus viminalis W. L. Jepson 1936-6-29 17628 Napa In front of house, at edge of road, of Mrs. O. G. Freyermuth, near Rutherford. Comment
  UC17643  Euphorbia crenulata Willis L. Jepson 1894-5-1 Napa Napa River Basin; Rebecca Ranch Comment
  CDA43111  Euphorbia serpillifolia David J. Keil 1986-11-8 19799 Napa Along Lake Berryessa-Knoxville Rd. near Knoxville: 3.0 mi south of turnoff to Homestake McLaughlin Mine/Mill. Comment
  UCD117765  Euphorbia spathulata Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat valley. Adjacent to serpentine slope. 386 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
  UCD20020  Euphorbia spathulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1218 Napa 5.6 miles N of junction of Routes 128 and 37 on Route 128. Comment
  JEPS104531  Eurybia radulina Jake Ruygt 1996-7-13 3766 Napa White Cliff Springs, Soda Valley (Soda Spring). 341 Comment
  UC485607  Eurybia radulina Katharine Brandegee 1910-7-27 Napa Angwin, Howell Mt. Comment
  CDA29762  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
  JEPS115735  Euthamia occidentalis Lowell Ahart 2009-10-12 16420 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 Winte 437 Comment
  UC1093971  Euthamia occidentalis H. L. Mason 1923-10-6 771 Napa Suisan Marsh Comment
  UC31888  Euthamia occidentalis Joseph Burtt Davy 1894-9-30 741 Napa Calistoga Valley Comment
  CHSC108741  Festuca californica B. Castro; L. P. Janeway 2002-5-12 1366 Napa Inner North Coast Ranges. Near top of ridge on northeast side of Pocock Creek along the dirt road from Devilhead Road. NNW-facing slope at edge of road opening and cutbank. 536 Comment
  UCR23934  Festuca californica John C. Roos 1939-4-16 275 Napa North Coast Range, Pacific Union College, Angwin, [Pope Valley] 240 Comment
  CHSC83359  Festuca californica var. californica L. P. Janeway; B. Castro 2002-5-12 7542 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. 564 Comment
  RSA10675  Festuca elmeri C. B. Wolf 1928-5-3 1813 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCR24024  Festuca microstachys John C. Roos 1939-4-29 288 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  SEINET10508611  Festuca tracyi Joseph P. Tracy 1902-5-15 Tracy 1479 Napa Head of Moore's Creek, 3-4 mi. E. of Angwin's Howell Mt. Comment
  JEPS129135  Ficus carica Jake Ruygt 1994-5-22 3488 Napa Devils Canyon, Taylor Preserve. Sonoma 7.5' Quad. Comment
  CAS-BOT-BC53521  Frangula californica subsp. tomentella Cornelia S. Masters 1915-6-15 s.n. Napa Mountains of Napa Co. Comment
  JEPS129140  Frankenia salina Jake Ruygt 1991-7-19 2765 Napa South of the end of South Jefferson Street, Napa. Napa 7.5' Quad. Comment
  LA205386  Frankenia salina Milo S. Baker; 1932-9-24 6034 Napa Cuttings Wharf Comment
  UCD121437  Frasera albicaulis var. nitida G. Ledyard Stebbins Jr. 1964-5-24 6156 Napa West of Aetna Springs, ca. 1/2 mile west of Corona Mine. 670 Comment
  UCD122035  Fraxinus dipetala W. W. Robbins 1928-3-1 1402 Napa Napa Hills. Comment
  JEPS78435  Fraxinus latifolia Edward Lee 1936-3-15 1803 Napa 0.75 mi out of Rutherford (Rutherford to Pope Valley road) Comment
  LA50918  Fraxinus latifolia Joseph Andorfer Ewan; 1934-4-30 8860 Napa near Samuel Springs, above Monticello on Pope Valley Grade Comment
  UCD33444  Fraxinus latifolia Beecher Crampton 1968-5-8 8262 Napa 1/2 mile south of Calistoga. Comment
  CAS-BOT-BC205893  Fremontodendron californicum Herbert L. Mason 1935-5-30 10009 Napa Four miles north of Knoxville Mines Comment
  POM224211  Fremontodendron californicum H. L. Mason 1935-5-30 10009 Napa Four miles north of Knoxville Mines. Comment
  POM231106  Fremontodendron californicum Jens Clausen 1935-5-22 1061 Napa 15.9 mi SE of Lower Lake on the Monticello road beyond the Napa Co line. Comment
  RSA41909  Fremontodendron californicum Ella Dales Cantelow 1939-5-7 2529 Napa Just E of Napa - Lake Co line. Comment
  SBBG26890  Fremontodendron californicum J. T. Howell 1939-5-7 Napa near head of Hunting Crk NW of Knoxville Comment
  SBBG28946  Fremontodendron californicum J. T. Howell 1939-5-7 Napa near head of Hunting Crk NW of Knoxville Comment
  UCD116270  Fremontodendron californicum Beecher Crampton 1970-4-15 8557 Napa North end of Capell Valley, State Hwy. 128. Comment
  UCD116306  Fremontodendron californicum D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-25 s.n. Napa Berryessa-Knoxville Road. UC MacLaughlin Nature Reserve. 650 Comment
  UC766016  Fremontodendron californicum subsp. californicum R. F. Hoover 1938-6-11 3600 Napa Knoxville Ridge Comment
  SEINET5510212 Image available Fremontodendron californicum subsp. napense A. A. Heller 1941-1 16134 Napa 3 miles west of Knoxville on the road to Lower Lake Comment
  SEINET5518602  Fremontodendron californicum subsp. napense Herbert L. Mason 1935-1 10009 Napa Four miles north of Knoxville Mines Comment
  JEPS55693  Fritillaria affinis W. Roderick 1964-3-17 Napa Butts Canyon, near Lake County Line Butts Canyon Comment
  UC545849  Fritillaria affinis E. Crum 1936-3-15 1740 Napa Butts Canyon, Pope Valley-Middletown Road Butts Canyon; , Pope Valley-Middletown Road Comment
  JEPS4951 Image available Fritillaria purdyi Mrs. Elizabeth Cyrus Wright 1919-4-21 Napa Calistoga Comment
  UCD167997  Fritillaria purdyi James A. Neilson Jr. 1977-4-13 3864 Napa Summit Oat Hill Mine Rd., about 1/2 mile west Twin Peaks, about 1/3 mile north and a liitle west of Sugarloaf Mt. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCD170295  Fritillaria purdyi Daniel Potter; Ninh Khuu, Kai Battenberg 2016-3-15 835 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 456 Comment
  JEPS113968  Fritillaria recurva Jake Ruygt 1990-4-8 2474 Napa White Creek, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  POM224397  Fritillaria recurva Ethel Crum 1936-3-15 1739 Napa Butts Canyon, Pope Valley - Middletown Road Comment
  JEPS61954  Fritillaria recurva Willis L. Jepson 1893-5-5 14819 Napa ne side of Mount St. Helena, Middletown Grade Mount St. Helena; , Middletown Grade Comment
  POM161096  Fritillaria recurva Rimo C. Bacigalupi 1926-3-28 1256 Napa Road below Mt. St. Helena about halfway between Summit and Middletown Comment
  UCD121558  Galium andrewsii Sergio Lailhacar 1974-4-13 8 Napa 3.9 miles northeast of Pope Canyon Road and Chiles Valley Road intersection. 243 Comment
  UCD117804  Galium aparine Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. Along dirt road that goes northeast of fire station. In ditch on south side of road. 519 Comment
  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
  UCD49245  Galium aparine E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 1 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., near jct with South Decker Canyon Rd. 182 Comment
  UCD49247  Galium aparine L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 8 Napa SW end of Lake Barryessa, 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. 10-20 ft. from stream. 152 Comment
  UCD160726  Galium bolanderi Ellen Dean 2015-5-23 8778 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
  JEPS52700  Galium bolanderi G. L. Stebbins Jr. 1963-6-12 6130 Napa along creek 2 mi s Lake Berryessa (s side of creek, n-facing slope); Pope Creek 149 Comment
  JEPS3955  Galium divaricatum John Thomas Howell 1943-6-19 18237 Napa hills w Napa Valley (between St. Helena and Mt. St. John) 228 Comment
  UC527948  Galium divaricatum R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6660 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  JEPS110600  Galium parisiense Jake Ruygt 1981-5-27 1034 Napa .3 mile south of Sage Canyon Rd. on Lower Chiles Valley Rd. 274 Comment
  UCD121148  Galium parisiense Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7346 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.2 mile from Fire Station, along dirt road that travels north/northeast from Station. 522 Comment
  CDA30788  Galium porrigens V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  JEPS110599  Galium porrigens var. porrigens Jake Ruygt 1986-3-14 1645 Napa about 1 mile N of HWY 12 and 1/2 mile east of Sonoma Co. line 103 Comment
  JEPS85031  Galium porrigens var. porrigens Larry Heckard and Mary Ashton 1969-5-3 2208 Napa off the Atlas Peak Rd ca 7 mi ne Napa (slope above (s of) meadow); Mead Ranch 457 Comment
Read comments
Jan 19 2007
  UC1562617  Galium porrigens var. tenue Barbara Ertter with Annetta Carter 1989-5-28 8499 Napa Berryessa-Knoxville Rd n; Lake Berryessa (9.0 mi s of Knoxville tunnel, base of e-facing slope at edge of stream) 243 Comment
  JEPS110560  Galium triflorum Jake Ruygt 1979-5-4 575 Napa Trefethen hillside property 91 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
  UC32029  Gamochaeta ustulata Willis L. Jepson 1893-5-5 Napa sw Napa City; Napa River Basin Comment
  CAS-BOT-BC199053  Garrya congdonii Peter H. Raven 1951-5-6 2827 Napa Burn below Conn Dam. 274 Comment
  UC1122625  Garrya congdonii B. Schreiber 1936-9-20 2353 Napa 5 mi s Reiff; Reiff Quad. 762 Comment
Read comments
Jan 14 2009
  UC1328139  Garrya congdonii Donald V. Hemphill 1940-3-23 63 Napa Snell Valley Snall Valley; Snell Valley 518 Comment
  UCD170294  Garrya elliptica Daniel Potter; Ninh Khuu, Kai Battenberg 2016-2-21 834 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 447 Comment
  CAS-BOT-BC144422  Garrya fremontii Alice Eastwood 1922-3-26 11111 Napa Mt. St. Helena Comment
  JEPS126034  Garrya fremontii Jake Ruygt 1990-1-29 2431 Napa Napa Range about 1/2 mile south of Circle Oaks. Capell Valley 7.5' Quad. Comment
  UCD66546  Gastridium phleoides Beecher Crampton 1965-6-30 7415 Napa Solano - Napa Counties: Summit of Mt. Vaca, Vaca Mtns. 872 Comment
  JEPS69269  Gastridium ventricosum Willis L. Jepson 1894-7-19 Napa Napa River Basin Upper Napa Valley; , Upper Napa Valley Comment
  JEPS76096  Gastridium ventricosum W. L. Jepson 1938-5-25 18866 Napa Bell Canyon Howell Mt.; Napa Range, , Bell Canyon 579 Comment
  UCD23410  Geranium molle Nicholas Ewing 1977-4-16 11 Napa Petals lavender, annual, erect, leaves palmately veined and palmately lobed. Anthers lavender. North facing slope, half sun, foothill woodland. 0.6 miles east along East Bull Canyon, off Highway 128 7.4 miles SSW of Monticello Dam. 152 Comment
  UCD49069  Geranium molle L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 2 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of Cut-Off Rd. 152 Comment
  OBI71998  Geranium purpureum Barbara Ertter, Jake Ruygt 1996-4-25 14601 Napa Kroeber Ranch on NE flank of Mt. St. John, W of Rutherford in Napa Valley Comment
  UC1795114  Geranium purpureum Barbara Ertter with Jake Ruygt 1996-4-25 14601 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley Comment
  RSA83103  Gilia capitata Verne Grant, Alva Grant 1947-5-3 7964 Napa West slope of Mt. St. Helena, ca. 2-3 miles from Knight's Valley. Comment
  SEINET233344  Gilia capitata Hilary Jane Ernst 1981-5-24 75 Napa Sage Canyon Road base of Conn Dam 1.2 mi E of intersection with the Silverado Trail 73 Comment
  UC133966  Gilia capitata subsp. capitata Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  UC1182818  Gilia capitata subsp. capitata A. R. Kruckeberg 1949-7-22 7702 Napa Comment
  UC1197930  Gilia capitata subsp. capitata J. P. Tracy 1903-5-16 1838 Napa near Calistoga (region about San Francisco Bay); Region about San Francisco Bay, nr Calistoga 152 Comment
  JEPS110973  Gilia clivorum Jake Ruygt 1983-4-2 1406 Napa east of Green Valley Rd. 432 Comment
  NY336855  Gilia heterodoxa C. C. Parry 1881-1 180 Napa Comment
  UCD167226  Gilia tricolor subsp. diffusa Jake Ruygt 2008-4-12 5284 Napa About 1.5 miles northwest of Zim-Zim Falls. 438 Comment
  JEPS85024  Gilia tricolor subsp. tricolor Larry Heckard and Mary Ashton 1969-5-3 2216 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd.); ne of Napa, off Atlas Peak Rd., Mead Ranch 510 Comment
  UC908451  Gilia tricolor subsp. tricolor Herbert L. Mason 1933-4-30 7224 Napa n Aetna Springs (near Napa-Lake County line); n of Aetna Springs Comment
  UC908613  Gilia tricolor subsp. tricolor Herbert L. Mason 1926-3-14 2731 Napa Mount St. Helena Comment
  CAS-BOT-BC266495  Githopsis diffusa Gladys Smith 1966-4-23 s.n. Napa Bothe Napa Valley State Park Comment
  UC527929  Githopsis specularioides Ira L. Wiggins R. Bacigalupi, R. S. Ferris 1933-6-2 6663 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  JEPS115689  Glinus lotoides Lowell Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  RSA769217  Glinus lotoides L. Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 air miles northwest of Winters 130 Comment
  CDA5998  Gnaphalium canescens R. Barrett 1957-10-17 415 -57 Napa County Corp. yard, Napa. 0 Comment
  UC32016  Gnaphalium palustre Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  UCR29431  Grindelia camporum Tracey Call, Viola Call 1964-6-19 2264 Napa North Coast Range, 3 mi north of Calistoga on hill 305 Comment
  UCR44911  Grindelia camporum L. F. LaPre, R. Bjork 1986-7-13 s.n. Napa Inner North Coast Ranges, Hunting Creek, 0.5 mi south of Dunnigan Hill. SE of Clear Lake, near the county line. 335 Comment
  CAS-BOT-BC304906  Grindelia hirsutula Peter H. Raven 1952-5-31 4130 Napa Summit of hills s.w. of Rector Canyon 304 Comment
  JEPS41923  Grindelia hirsutula Alice King 1919-7-1 Napa Van Ness Ranch; Mt. St. Helena, Van Ness Ranch Comment
  POM41961  Grindelia hirsutula Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SEINET3142904  Grindelia hirsutula M. P. Dunford 1959-10-3 555 Napa 2 mi. W of Chiles Valley; along Soda Creek Comment
  UC32141  Grindelia hirsutula Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  JEPS120380  Grindelia hirsutula Jake Ruygt 1981-5-13 1024 Napa American Canyon, south side of canyon Comment
  UCR198044  Grindelia hirsutula var. davyi Jake Ruygt 1981-6-10 1051 Napa west of Mt. Vaca on Vaca Range 457 Comment
  CAS-BOT-BC302223  Harmonia nutans John Thomas Howell 1931-4-4 6164 Napa Trail to Crater Country, Mt. St. Helena region Comment
  CAS-BOT-BC302246  Harmonia nutans David D. Keck 1931-4-2 1027 Napa Wooden Valley Grade, west side of Napa Range, 5.5 miles NE. of Napa 200 Comment
  JEPS106553  Harmonia nutans Jake Ruygt 1977-4-9 180 Napa .3 miles south of Monticello Rd. on Wild Horse Valley north rd 420 Comment
  JEPS122708  Harmonia nutans Jake Ruygt 1998-6-8 4018 Napa Meas Ranch, slope overlooking Soda Canyon. Quad: Yountville. Comment
  JEPS29584  Harmonia nutans Rimo Bacigalupi, and L. Heckard 1962-4-16 8441 Napa 4.5 mi n junction of Atlas Mtn. road and Monticello road (Calif. 37) (along Atlas Peak road on grade leading up to Milliken Canyon Reservoir turn-off) 304 Comment
  UC1731334  Harmonia nutans Dean W. Taylor 1998-6-3 16478 Napa Cedar Canyon North Coast Ranges (basin in headwaters, between Twin Peaks and Sugarloaf Mtn., at end of road up (w from) Aetna Springs, Detert Res. 7.5' USGS quadrangle) 670 Comment
  UCD118149  Harmonia nutans Linnea Neuhaus; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. 0.1 mile northeast of fire station, along undeveloped road, north side of road. 518 Comment
  CDA29733  Helenium puberulum M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 215 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  RSA756242  Helenium puberulum Barbara Ertter, Elizabeth Neese 1988-10-2 7955 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
  CAS-BOT-BC314719  Helianthella californica var. californica Paul F. Covel 1940-4-28 1703 Napa Grade near Sanatarium Comment
  CAS-BOT-BC314721  Helianthella californica var. californica J. Clausen 1935-5-23 1072 Napa Howell Mountain near summit 6.5 mi. N. of St. Helena Comment
  POM135793  Helianthemum scoparium var. vulgare C. F. Baker 1913-5-8 2973 Napa Knoxville Comment
  UCD132905  Helianthus bolanderi G. F. Hrusa 1997-7-24 14020 Napa middle reaches of Butts Canyon +/- 8 to 10 miles southeast of Middletown. 200 Comment
  OBI74555  Helianthus bolanderi David J. Keil 1986-11-8 19789 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 2.3 mi S of turnoff to Homestead McLaughlin Mine/Mill Comment
  RSA92485  Helianthus bolanderi Alice Eastwood, J. T. Howell 1939-8-20 7618 Napa Capell Creek Comment
  JEPS4457  Helianthus californicus Willis L. Jepson 1893-9-24 13424 Napa Angwin's Meadows Napa River Basin, Howell Mt., Angwin's Meadows 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
  UCD170570  Helianthus exilis Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 825 Napa Knoxville Wildlife Area, north of Nevada Creek. 461 Comment
  JEPS115740  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 Winte 437 Comment
  UCD74367  Heliotropium europaeum Jake Ruygt 2005-6-7 4910 Napa Berryessa-Knoxville Rd. at Oak Shores headquarters. 176 Comment
  UC1223090  Hemizonia congesta subsp. luzulifolia Joseph P. Tracy 1950-8-12 19303 Napa Conn Valley Comment
  UC197530  Hemizonia congesta subsp. luzulifolia H. M. Hall 1915-8-12 10097 Napa Collins Region of San Francisco Bay Comment
  UCD161616  Hemizonia congesta subsp. luzulifolia Jake Ruygt 2002-9-14 4457 Napa Missimer / Snell Valley Wildflower Preserve. 170 Comment
  UCD161645  Hemizonia congesta subsp. luzulifolia Jake Ruygt 2005-10-8 4948 Napa Howell Mountain Road about 0.3 mile south of Deer Park Road. 408 Comment
  POM194218  Hemizonia lutescens J. T. Howell 1929-10-26 4541 Napa 9 miles N of Vallejo. Comment
  UCD161309  Heracleum maximum Jake Ruygt 1979-4-9 495 Napa NE corner of Trefethen Vineyards, Dry Creek. (Coordinates estimated by label maker at UC Davis). 22 Comment
  UC175984  Hesperevax acaulis var. robustior Joseph P. Tracy May 15 1903-May 18 1903 1864 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  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
  JEPS29503  Hesperevax sparsiflora var. sparsiflora Willis L. Jepson 1893-5-8 Napa below New Eden; Howell Mt. Comment
  UCD169786  Hesperocyparis sargentii Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-8-18 794 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 444 Comment
  UC1736419  Hesperolinon Dean W. Taylor 1998-6-18 16669 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley Comment
  UC1736420  Hesperolinon Dean W. Taylor 1998-6-18 16669 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley 289 Comment
  CAS-BOT-BC167423  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Canyon and Pope Valley on tributary of Pope Creek 274 Comment
  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
  JEPS112584  Hesperolinon bicarpellatum Jake Ruygt 1993-5-22 3266 Napa on private road across from James Creek Rd at Butts Canyon Rd 222 Comment
  JEPS122852  Hesperolinon bicarpellatum Adam C. Schneider with Dick O'Donnell 2013-5-26 230 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS122853  Hesperolinon bicarpellatum Adam C. Schneider with Dick O'Donnell 2013-5-26 232 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS22718  Hesperolinon bicarpellatum Katharine Brandegee 1911-6-29 Napa near Aetna Springs; Butts Canyon Comment
  RSA151715  Hesperolinon bicarpellatum H. K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Canyon and Pope Valley on tributary of Pope Creek 274 Comment
  UC1212354  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa ridge between Butts Canyon and Pope Valley (on tributary of Pope Creek); Inner North Coast Ranges 274 Comment
  UC2014176  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Napa County: Pritchard Hill, south of Lake Hennessey and Highway 128, on lands of Continuum Estate Winery, at end of private road near winery. Comment
  UCD167348  Hesperolinon bicarpellatum Jake Ruygt 2003-6-7 4541 Napa Mt. George/ Foote Botanical Preserve on 'Tupper road'. 298 Comment
  CAS-BOT-BC167446  Hesperolinon breweri Peter H. Raven 1951-6-26 3078 Napa S. [Cappell] Capell Valley 365 Comment
  RSA92954  Hesperolinon breweri Peter H. Raven 1951-6-26 s.n. Napa Cappell Valley. 366 Comment
  CAS-BOT-BC488335  Hesperolinon californicum Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca 2 km N of Pope Canyon Rd intersection with Berryessa-Knoxville Rd. 140 Comment
  JEPS122783  Hesperolinon californicum Jake Ruygt 1990-5-12 2541 Napa Wooden Valley, north of Wooden Valley School. QUAD: Capell Valley. Comment
  JEPS122842  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 219 Napa Along Pope Valley Road. Comment
  JEPS122903  Hesperolinon californicum Adam C. Schneider 2015-5-19 933 Napa Along Pope Valley Rd. Comment
  UC1212437  Hesperolinon californicum Helen K. Sharsmith 1952-5-17 4074 Napa near Chiles Valley School; Inner North Coast Ranges, Chiles Valley 289 Comment
  UC1212447  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4110 Napa above Sage Creek (w side of valley); Inner North Coast Ranges, Chiles Valley 304 Comment
  UC1212450  Hesperolinon californicum Helen K. Sharsmith 1952-6-1 4115 Napa n slope above Soda Creek (ca 2 mi se of Chiles Valley); Inner North Coast Ranges 243 Comment
  UC1212452  Hesperolinon californicum Helen K. Sharsmith 1957-6-18 4600 Napa s canyon slope 1/4 mi below Conn Dam (on chaparral slope above road from Rutherford to Pope Valley); Inner North Coast Ranges 121 Comment
  UCD169869  Hesperolinon californicum Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 804 Napa Knoxville Wildlife Area. Upper Zim Zim Ceek drainage. 432 Comment
  CAS-BOT-BC176017  Hesperolinon californicum Lester Rowntree 1937-6-1 s.n. Napa Saca Canyon Comment
  JEPS122781  Hesperolinon clevelandii Jake Ruygt 1980-6-22 943 Napa Scott's Flat, Aetna Mined Road. QUAD: Capell Valley Comment
  JEPS122782  Hesperolinon clevelandii Jake Ruygt 1997-5-18 3856 Napa Hogback Mountain. QUAD: Sonoma. Comment
  JEPS122786  Hesperolinon clevelandii Jake Ruygt 2009-6-8 5427 Napa Wild Lake Ranch. Candlestick Ridge. QUAD: St. Helena. Comment
  JEPS122799  Hesperolinon clevelandii Jake Ruygt 2007-5-17 5179 Napa Duff Ranch, NE of High Point. QUAD: Calistoga. Comment
  POM180782  Hesperolinon clevelandii J. T. Howell 1930-7-13 5359 Napa On the edge of the Crater Country Comment
  RSA262583  Hesperolinon clevelandii Kathleen Barnes 1973-6-4 61 Napa McDonald Ranch, 1/2 mile up from house, Pope Valley Road. Comment
  UCD167297  Hesperolinon clevelandii Jake Ruygt 2004-5-8 4599 Napa Lone Pine Thicket on private road accessible from Devilhead Road. 633 Comment
  UCD110519  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa About one mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Monticello road. 121 Comment
  UCD110520  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4147 Napa About one mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Monticello road. 121 Comment
  UC17251  Hesperolinon disjunctum Willis L. Jepson 1892-7 19006 Napa Knoxville Mountain Region of Clear Lake Comment
  JEPS122778  Hesperolinon drymarioides Jake Ruygt 1993-6-5 3275 Napa Devihead Road .35 mile south of farm house. QUAD: Knoxville Comment
  JEPS122795  Hesperolinon micranthum Jake Ruygt 2005-5-14 4840 Napa West side of mouth of Long Canyon. QUAD: Knoxville. Comment
  JEPS122906  Hesperolinon micranthum Adam C. Schneider 2015-5-15 937 Napa Capell Valley Road, just southeast of intersection with Knoxville Road Comment
  UC1212275  Hesperolinon micranthum Helen K. Sharsmith 1951-10-21 4040 Napa w side Chiles Valley (on road to Pope Valley); Inner North Coast Ranges 234 Comment
  JEPS111339 Image available Hesperolinon sharsmithiae Richard O'Donnell 2005-6-9 Napa 180 m NW of the junction of Cedar Creek and Hunting Creek Paradise Valley 270 Comment
  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
  SEINET10778334 Image available Hesperolinon sharsmithiae Unknown 2005-6-9 O'Donnell s.n. Napa Napa County, edge of serpentine chaparral about 180 m NW of the junction of Cedar Creek and Hunting Creek, Paradise Valley, Napa County, CA. USGS Jericho Valley Quad. 270 Comment
  JEPS122841  Hesperolinon spergulinum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 221 Napa Along private road that runs west off of Pope Valley Road. Comment
  JEPS32287  Hesperolinon spergulinum J. P. Tracy 1899-6-26 383 Napa Howell Mt. Comment
  JEPS32294  Hesperolinon spergulinum Willis L. Jepson 1901-8-6 1728 Napa Howell Mt. grade Napa River Basin Comment
  UC1212406  Hesperolinon spergulinum Joseph P. Tracy 1938-6-5 15828 Napa 5 mi e Angwin's (on hills at head of Moore Creek); Howell Mountain, Moores Creek 365 Comment
  JEPS106575  Heterocodon rariflorum Jake Ruygt 1996-6-23 3757 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 441 Comment
  UCD112242  Heterocodon rariflorum Christopher Mallek 2008-5-12 AS2- 14 Napa Aetna Springs. 668 Comment
  JEPS11808  Heterocodon rariflorum W. L. Jepson 1936-7-1 17630 Napa below Four Corners (Howell Mt); Napa Range, Howell Mt. Comment
  CAS-BOT-BC143746  Heteromeles arbutifolia James L. Reveal 1987-6-7 6393 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road; about 5.5 miles west-northwest of Vacaville 182 Comment
  JEPS20393  Heterotheca grandiflora W. L. Jepson 1939-9-11 19474 Napa nw of Saint Helena (at river bridge); Napa River Comment
  UC31135  Heterotheca oregona var. compacta Willis L. Jepson 1892-10-22 Napa Sulphur Spring Creek bed Napa River Basin, Sulphur Spring Creek Comment
  JEPS2436  Heterotheca oregona var. rudis W. L. Jepson 1922-10-22 9833 Napa St. Helena, bed of White Sulphur Creek White Sulphur Creek Comment
  RSA785239  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-20 8567 Napa Just N of Calistoga on CA-29; 15.3 km SW of Lake County line. Garnett Creek. Comment
  UCD133136  Hieracium albiflorum K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  JEPS101835  Hoita macrostachya Dean W. Taylor 1999-7-20 17290 Napa Crystal Lake (large vernal lake west of Highway 128 and Capell Creek) 350 Comment
  RSA517453  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa Highway from Napa to Wooden Valley, north slopes of George Mt. 152 Comment
  UCD75825  Hoita macrostachya Jake Ruygt 2000-6-10 4274 Napa Adams Creek. 445 Comment
  UC1299260  Holocarpha virgata subsp. virgata Freed W. Hoffman 1947-8-20 855 Napa along Trinity road North Coast Ranges Comment
  CAS-BOT-BC315792  Holozonia filipes Edward Lee Greene 1883-1-1 s.n. Napa Napa Valley Comment
  JEPS7754  Holozonia filipes Peter H. Raven 1952-8-28 5158 Napa near Napa Soda Springs 228 Comment
  UC143000  Holozonia filipes Mrs. K. Brandegee 1910-7-26 186 Napa near Angwin's Comment
  CAS-BOT-BC315789  Holozonia filipes L. S. Rose 1927-5-28 s.n. Napa Napa Valley Comment
  RSA10673  Hordeum brachyantherum C. B. Wolf 1928-5-3 1816 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  JEPS122921  Hordeum brachyantherum subsp. brachyantherum Jake Ruygt 1991-6-22 2728 Napa Hunting Creek at mouth of sensitive plant canyon. Quad: Jericho Valley. Comment
  UCD36306  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1953-5-19 1308 Napa Chiles Valley. Digger Pine belt. 10 miles west of Monticello, along Hwy. 128. Comment
  UCD20430  Hordeum murinum E. Dean; w/ PLB 102 class 2002-5-4 1018 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of powerlines. 259 Comment
  UCD20739  Hordeum murinum Ellen Dean; w/ Mark Bibbo 2002-6-17 1103 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. By field station, in the middle of the parking lot. 384 Comment
  JEPS44532  Horkelia californica subsp. dissita Willis L. Jepson 1893-9-24 1214 p Napa Howell Mt.Napa River Basin, Angwin's Meadows Comment
  JEPS126088  Hosackia stipularis Jake Ruygt 1981-7-8 1057 Napa Road to Bateman Creek from Montesol; Livermore Road. Detert Reservoir 7.5' Qua. Comment
  JEPS110867  Hypericum anagalloides Jake Ruygt 1979-6-14 696 Napa north of PG&E substation, Suscol hill 24 Comment
  UCR220100  Hypericum concinnum Ayzik Solomeshch 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  UC521696  Hypericum concinnum Joseph Andorfer Ewan 1933-9-17 8008 Napa near n. summit Mt. St. Helena Comment
  UCSB4123  Hypericum concinnum Chisaki, Francia; Kamb, Peter 1950-6-9 Napa Road to Monticello; about 20 miles south of Lower Lake Comment
  UCD159907  Hypochaeris glabra 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
  UCD149582  Hypochaeris radicata Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  CDA7485  Hypochaeris radicata H. Stabo 1960-7-13 4677 Napa 0 Comment
  JEPS126072  Idahoa scapigera Jake Ruygt 1995-4-9 3420 Napa Little Bear Valley, east of Palisades. Detert Reservoir 7.5' Quad. 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
  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
  SEINET6193236 Image available Iris macrosiphon L. F. Robbins 1927-1 s.n. Napa Napa county Comment
  UCD48249  Iris macrosiphon K. Watts; K. Carpenter, S. Cruz, D. Goldberg, and M. Ochoa 2000-4-28 5 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., south of path. 545 Comment
  UCD48718  Iris macrosiphon S. M. Smukler 1995-5-5 7 Napa Quail Ridge Preserve, 1/4 mi. from the University Cabin. 100 Comment
Read comments
Jan 14 2009
  UCD48724  Iris macrosiphon A. Collier; D. Caterson and S. Kenady 2002-5-4 18 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Located in section between upper and lower roads in which the road has become a path. 2 meters E of path. 304 Comment
  RSA195364  Iris macrosiphon Gilbert Muth 1967-3-31 597 Napa Old Howell Mountain road. 457 Comment
  JEPS103969  Isoetes nuttallii Jake Ruygt 1990-5-5 2523 Napa Wild Horse Valley Ranch 502 Comment
  JEPS116564  Isoetes nuttallii Jake Ruygt 2005-6-7 4908 Napa Ridge top west of Circle Oaks. Capell Valley 7.5' Quad. Comment
  CAS-BOT-BC102319  Juglans hindsii Carl B. Wolf 1930-11-3 1801 Napa On the Munson Ranch, Napa Range, above Wooden Valley 304 Comment
  CAS-BOT-BC102321  Juglans hindsii C. B. Wolf; E. R. Johnson 1934-10-17 6197 Napa Munson Ranch, Napa Range, above Wooden Valley, Old Indian Camp Site 304 Comment
  CDA39578  Juglans hindsii T. C. Fuller, Q. L. Holdeman 1971-11-2 19939 Napa Above end of Circle Oaks Dr., just north of marker 121 NAP 18.40, Monticello Road, ca. 9 miles northeast of Napa. 0 Comment
  UC1601693  Juncus bufonius W. L. Jepson 1896-1 Napa near St. Helena; Napa Valley Comment
  JEPS122670  Juncus bufonius var. bufonius Jake Ruygt 1992-5-15 2961 Napa Meadow north of the Polo Field, Wild Horse Valley Ranch. Quad: Mt. George. Comment
  JEPS122674  Juncus capitatus Jake Ruygt 1992-5-7 2939 Napa NW of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mt. George. Comment
  UC14891  Juncus hemiendytus var. hemiendytus J. P. Tracy 1902-5-18 1534 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Head of Moores Creek 518 Comment
  JEPS67097  Juncus occidentalis Willis L. Jepson 1894-5-1 40 a Napa Upper Conn Valley Napa River Basin Comment
  UC842740  Juncus occidentalis M. S. Jussel 1937-5-23 Napa Mt. St. Helena Comment
  UCR43201  Juncus oxymeris L. F. LaPre 1985-6-8 s.n. Napa Inner N Coast Ranges, 'Rare Plant Canyon,' a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville and just east of the Lake Co. line 366 Comment
  UCD121184  Juncus patens Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7361 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Recreation Flat. 392 Comment
  UCD166709  Juncus phaeocephalus var. paniculatus Jake Ruygt 1992-5-6 2942 Napa south of Leoma Lakes, Wild Horse Valley Ranch. 411 Comment
  JEPS122668  Juncus xiphioides Jake Ruygt 1996-6-3 3741 Napa Jamieson Vineyards near South Kelly Road. Quad: Cordelia. Comment
  UCD148833  Juncus xiphioides Ellen Dean; Diana Hickson 2014-4-29 8138 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  UCD67899  Juncus xiphioides Hilary Jane Ernst 1981-5-24 69 Napa On Highway 128, 2.2 miles Southeast of Moskowite Corner. Comment
  POM161357  Keckiella lemmonii R. C. Bacigalupi 1928-6-20 1873 Napa Howell Mt. 10 miles west of St Helena. Comment
  UC185352  Keckiella lemmonii Katharine Brandegee 1910-7-27 Napa Angwin's; Napa Range, Howell Mt. Comment
  JEPS11337  Kickxia elatine W. L. Jepson 1930-10-19 15684 Napa mouth of Sage Canyon (in Conn Creek bed); Napa Valley, Conn Creek 45 Comment
  UCD123880  Kickxia elatine Freed Hoffman 1947-8-1 1689 Napa Sage Canyon. 796 Comment
  CAS-BOT-BC502601  Kopsiopsis strobilacea Greg de Nevers 1992-5-17 10152 Napa Mount Veeder, 3475 Mt. Veeder Rd. 304 Comment
  CDA18932  Lactuca virosa Butler, Dannenberg 2000-8-1 PDR 023555 Napa Napa Valley; Along Langtree Road, St. Helena. 0 Comment
  CAS-BOT-BC26054  Lagophylla dichotoma subsp. minor David D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring. Comment
Read comments
Mar 3 2018
  UCD118352  Lagophylla minor Reed Crane; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 387 Comment
  UCD48601  Lagophylla minor M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 8 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines. 297 Comment
  CAS-BOT-BC341426  Lagophylla minor Milo S. Baker 1932-4-26 5962 Napa Near Eastern side of Pope Val. along Monticello Hwy. Comment
  RSA128654  Lagophylla minor Peter H. Raven 1951-5-26 2887 Napa Butts Canyon. 305 Comment
  JEPS129036  Lagophylla ramosissima Jake Ruygt 2016-5-28 6266 Napa Smitty Ranch, east side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCD37730  Lagophylla ramosissima Beecher Crampton 1961-9-19 5978 Napa 3 miles east of Moskowite Corner, along State Highway 128, divide between Wragg Canyon and Capell Valley. Comment
  CAS-BOT-BC341554  Lagophylla ramosissima Peter H. Raven 1951-6-26 3088 Napa Cappell valley to Wooden Valley 304 Comment
  CAS-BOT-BC341559  Lagophylla ramosissima H. M. Hall 1931-5-26 13092 Napa Twelve miles by road south of Monticello; near Capell Comment
  CAS-BOT-BC341560  Lagophylla ramosissima H. M. Hall 1931-5-26 13093 Napa 9.6 miles north of Monticello Comment
  UCD133621  Lagophylla ramosissima K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  JEPS110795  Lamium amplexicaule Jake Ruygt 1977-3-1 133 Napa .3 miles north of Oak Knoll Ave. on Big Ranch Rd. 21 Comment
  CAS-BOT-BC338269  Lasthenia californica Alice Eastwood 1918-5-2 6880 Napa Calistoga Comment
  JEPS106677  Lasthenia californica Jake Ruygt 1990-4-1 2455 Napa White Creek, Wild Horse Valley Ranch 371 Comment
  CAS-BOT-BC338264  Lasthenia californica Ella Dales Cantelow 1939-4-8 2497 Napa About 4 1/2 mi. s.w. of Pacific Union College, Howell Mt. Comment
  CAS-BOT-BC338265  Lasthenia californica John Thomas Howell 1931-4-2 6051 Napa Wooden Valley Grade 4 miles east of Napa Comment
  JEPS10012  Lasthenia californica subsp. californica Willis L. Jepson 1893-1 Napa Comment
  UC166655  Lasthenia californica subsp. californica J. P. Tracy 1902-5-17 1514 Napa 3-4 mi e of Angwin's Head of Moore's Creek; Howell Mountain 365 Comment
  UC166657  Lasthenia californica subsp. californica J. P. Tracy 1902-5-17 1528 Napa 3-4 mi e of Angwin's Head of Moore's Creek; Howell Mountain 426 Comment
  JEPS10172  Lasthenia californica subsp. californica Willis L. Jepson 1893-4-24 Napa e St. Helena Comment
  JEPS35411  Lasthenia glabrata subsp. glabrata W. L. Jepson 1915-4-23 6260 Napa Conn Valley Comment
  CDA4151  Lathyrus aphaca Mrs. H. C. Ackley Jun 1963 Napa Tubbs Lane near Calistoga. 0 Comment
  UC162787  Lathyrus jepsonii var. californicus Joseph P. Tracy 1904-5-20 2079 Napa near Rutherford; Northern Coast Ranges, Napa River 60 Comment
  SEINET10576972 Image available Lathyrus vestitus subsp. puberulus George Thurber Thurber 485 Napa Comment
  JEPS55384  Lathyrus vestitus var. vestitus W. L. Jepson 1924-4-6 10316 Napa Howell Mt. Napa Range 914 Comment
  UC2029553  Lathyrus vestitus var. vestitus Richard R. Halse 2013-3-27 8752 Napa Along State Highway 128, ca. 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa Comment
  UC1073276  Lathyrus vestitus var. vestitus George B. Rossbach 1955-2-19 328 Napa se slope Mt. St. Helena (nw Napa County) 1158 Comment
  UCD75717  Lathyrus vestitus var. vestitus Jake Ruygt 1986-4-14 1698 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road. 457 Comment
  CAS-BOT-BC323191  Layia chrysanthemoides David D. Keck 1931-4-2 1045 Napa 4 miles S of Monticello, eastern Napa County. Comment
  CAS-BOT-BC323200  Layia chrysanthemoides H. M. Hall 1931-5-26 13084 Napa Sonoma-Napa Road. Comment
  UC584197  Layia chrysanthemoides J. Clausen 1935-5-22 1068 Napa 2.2 mi s Knoxville (on w-facing slope) Comment
  SEINET7042785  Layia platyglossa A. G. Vestal 1962-4-12 s.n. Napa Butts Canyon Road , 8.3 miles southeast of Route 53. Butts Canyon. Aetna Springs quadrangle UTM Zone 10, 547380mE, 4283517mN. Comment
  CAS-BOT-BC534371  Lemna minor Peter H. Raven 1951-6-24 3029 Napa Carneros Creek at Highway 27, near Sonoma County line 243 Comment
  UCD74387  Lepidium appelianum Jake Ruygt 1990-4-21 2499 Napa Giles Mead Ranch, Atlas Peak Rd. 429 Comment
  CAS-BOT-BC89173  Lepidium draba John Thomas Howell 1926-4-3 1781 Napa Near Yountville. Comment
  UCR25317  Lepidium nitidum John C. Roos 1939-3-18 s.n. Napa North Coast Range, Snell Valley, [near] Pacific Union College, Angwin 183 Comment
  CAS-BOT-BC12513  Lepidium nitidum John Thomas Howell 1926-3-20 1687 Napa Napa Valley. Calistoga. Comment
  CAS-BOT-BC12515  Lepidium nitidum Peter H. Raven 1953-3-29 5199 Napa Near geysers, Calistoga. 106 Comment
  JEPS53708  Lepidium nitidum John Thomas Howell 1926-3-20 1687 Napa Calistoga Comment
  POM272870  Lepidium nitidum Lyman Benson 1931-2-26 2598 Napa Slopes near the hwy summit; Mt St Helena. N of Calistoga. Mayacamas Mtn Range; Napa watershed. 549 Comment
  JEPS53768  Lepidium virginicum Willis L. Jepson 1893-6-26 13399 Napa near St. Helena; Napa River Basin Comment
  CHSC42327  Leptosiphon androsaceus L. Constance 1938-4-22 2133 Napa Above Dry Creek 2 mi. W. of Yountville, Miyakma Mountains, North Coast Ranges. 457 Comment
  UCD118587  Leptosiphon androsaceus G. F. Hrusa; R. Cole, D. Anderson 1995-3-26 12025 Napa University of California Quail Ridge Reserve, open grasslands at entrance gate. 290 Comment
  UCD118594  Leptosiphon androsaceus L. P. Thibault 1995-5-21 51 Napa growing on south side of Highway 128, about 3 miles west of Wragg Canyon Road. 250 Comment
  OBI54928  Leptosiphon androsaceus Kathleen Faustini 1980-5-4 25 Napa Monticello dam Comment
  UCD15043  Leptosiphon bicolor Helen West 1977-4-29 7 Napa California, Napa Co.; 6.3 miles southwest of Monticello Dam, off Road 128, in East Bull Canyon; Comment
  JEPS120363  Leptosiphon latisectus Jake Ruygt 2010-4-8 5502 Napa Mead Ranch, west slope overlooking Soda Canyon. Yountville 7.5' Quad. Comment
  JEPS129074  Leptosiphon latisectus Jake Ruygt 2016-3-27 6172 a Napa Smittle Creek, W of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  CAS-BOT-BC488334  Leptosiphon parviflorus Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca 2 km N of Pope Canyon Rd intersection with Berryessa-Knoxville Rd. 140 Comment
  SJSU8698  Leptosiphon parviflorus E. C. Garbett 1961-4-15 308 Napa Oakville Grade midway between Mt Veeder Rd & Oakville Comment
  UCD48067  Leptosiphon parviflorus K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 13 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., top of hill, north-facing slope. 533 Comment
  UCD167238  Leptosiphon pygmaeus subsp. continentalis Jake Ruygt 1991-5-4 2642 Napa between Doe Lake and Granite lake, Friesen's Lakes. 594 Comment
  JEPS106627  Lessingia ramulosa Jake Ruygt 1989-11-12 2420 Napa Wooden Valley, 1/4 mile north of elementary school 216 Comment
  RSA195305  Lewisia rediviva Gilbert Muth 1967-4-16 644 Napa Snell Valley near bridge Comment
  UC187093  Leymus triticoides Joseph P. Tracy 1903-5-23 2082 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UC1746036  Lilaea scilloides Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2763 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS113970  Lilium rubescens Jake Ruygt 1979-6-18 702 Napa 1 mile west of Highway 29 on Diamond Mountain Road. Calistoga 7.5' Quad. Comment
  UC971805  Limnanthes douglasii Annetta Carter 1942-4-19 1668 Napa meadow 2 mi s Staggs Leap 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
  CDA43225  Limnanthes douglasii subsp. nivea Richard R. Halse 2013-3-27 8757 Napa Along the Chiles and Pope Valley Road ca. 4.7 miles northwest of it junction with Lower Chiles Valley Road. Comment
  JEPS112563  Limnanthes douglasii subsp. nivea Jake Ruygt 1996-4-11 3594 Napa Calistoga Airport 105 Comment
  JEPS112566  Limnanthes douglasii subsp. nivea Jake Ruygt 1994-4-16 3350 Napa North end of Chiles Valley near Chiles- Pope Valley Road. 228 Comment
  SEINET5556954  Limnanthes douglasii var. nivea H. S. Gentry 1962-1 19703 Napa 3 mi. north of Calistoga, along Rt. 128. 60 Comment
  JEPS112562  Limnanthes floccosa subsp. floccosa Jake Ruygt 1993-4-3 3180 Napa Little Bear Valley 676 Comment
  JEPS110670  Limosella acaulis Jake Ruygt 1990-6-23 2599 Napa Johnson's Meadow Creek, Wild Horse Valley Ranch 435 Comment
  SEINET7072777  Linanthus androsaceus A. G. Vestal 1963-5-13 s.n. Napa Conn Valley Road, Conn Valley. UTM Zone 10, 551383mE, 4262262mN. Coordinate datum: NAD 27. Comment
  UC133860  Linanthus androsaceus Brannan 1870-1 Napa Comment
  UC146064  Linanthus androsaceus H. P. Chandler 1907-4-25 7539 Napa Chiles Valley Comment
  JEPS29592  Linanthus androsaceus Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8449 Napa 0.75 mi s Capell Valley (slope above Calif Highway 37, along Capell Creek); Capell Creek 249 Comment
  UCD15044  Linanthus bicolor Jonathan M. Irvine 1977-4-16 104 Napa California, Napa Co.; along Highway 128, 6.4 miles SSW of Monticello Dam; Comment
  JEPS58297  Linanthus ciliatus W. L. Jepson 1893-5-9 20909 Napa w of Rutherford; Napa Valley Comment
  UC689684  Linanthus dichotomus Herbert L. Mason 1942-5-24 12540 Napa 3 mi s Pope Valley Store Comment
  SEINET8729335 Image available Linanthus dichotomus subsp. meridianus Herbert L. Mason 1942-1 12540 Napa Eight miles south of Pope Valley Store Comment
  JEPS110972  Linanthus jepsonii Jake Ruygt 2005-5-11 4828 Napa Bear Valley, near Van Ness Creek 640 Comment
  RSA0004837  Linanthus jepsonii C. Goodwillie 1995-5-11 001 Napa Wantrup Wildlife Sanctuary, on primary road 1.3 km west of Hardin Road, and 60 meters north of vernal pool on north-facing. 256 Comment
  SEINET10697801 Image available Linanthus jepsonii Carol Goodwillie 1995-5-11 Goodwillie 001 Napa Wantrup Wildlife Sanctuary, on primary road 1.3 km. west of Hardin Road, and 60 meters north of vernal pool on north-facing, grassy slope. 256 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
  UC146063  Linanthus parviflorus H. P. Chandler 1907-4-25 7538 Napa Chiles Valley road Comment
  UCR115093  Linanthus parviflorus G. Fred Hrusa, S. Larson 1995-4-10 12059 Napa c. 1 mi. below bridge over Pope Creek, on Pope Canyon Rd 175 Comment
  CDA40092  Linanthus parviflorus T. C. Fuller 1958-5-1 3720 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  POM182708  Linaria canadensis var. texana D. D. Keck 1931-4-2 1021 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCD110568  Linum bienne Irving Grover 1959-5-15 s.n. Napa Near Napa. Comment
  CAS-BOT-BC430622  Lithophragma affine Peter H. Raven 1953-4-2 5258 Napa hills e. of Imola 121 Comment
  JEPS48657  Lithophragma affine Elsa Kraeger 1926-3-28 Napa 1/2 mi below Mt. St. Helena Inn (roadside); below Mt. St. Helena Inn Comment
  RSA734141  Lithophragma affine Keith E. Hoffmaster 1946-3-23 1238 Napa Napa Range Comment
  JEPS47659  Lithophragma bolanderi Willis L. Jepson 1893-4-24 13470 Napa hills e St. Helena; Napa River Basin, e of St. Helena Comment
  CDA12071  Lithophragma heterophyllum G. F. Hrusa, J. Messina 1989-3-3 5876 Napa North Coast Biodiversity Arena; Hwy. 128 W of Monticello Dam (Lake Berryessa). Comment
  RSA10663  Lithophragma heterophyllum Carl B. Wolf 1928-5-3 1826 Napa Summit of Mount St. Helena Grade, north of Calistoga. 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
  RSA195291  Lithophragma parviflorum Gilbert Muth 1967-4-30 663 Napa Near entrance to Shell Valley. 183 Comment
  UC164899  Logfia filaginoides J. P. Tracy 1902-5-16 1504 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 365 Comment
  UCD21542  Logfia filaginoides B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 8 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of) intersection with Knoxville-Berryessa Road. 487 Comment
  CAS-BOT-BC342440  Logfia gallica John H. Thomas 1958-4-19 7108 Napa About 2 miles SW of Oakville 152 Comment
  JEPS106958  Logfia gallica Jake Ruygt 1983-5-30 1482 Napa Redwood Rd., Napa 30 Comment
  UCD148819  Logfia gallica Ellen Dean; Diana Hickson 2014-4-29 8125 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  UCD149719  Logfia gallica 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
  UCD18000  Logfia gallica Ellen Dean; with Plant Biology 102 class 2001-4-28 731 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Downslope of West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. Along old road that leads NW and downslope along a ridge. 242 Comment
  UC1132201  Lolium multiflorum J. B. Spring 1932-6-7 70 Napa head of Carneros Creek; Napa Quadrangle, head of Carneros Creek Comment
  SEINET10592043  Lolium temulentum A. S. Hitchcock 1902-4-15 Hitchcock 5365 Napa Near Napa. Comment
  UCD20026  Lomatium C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1212 Napa 1 mile west of junction of Route 128 and Pope Valley Road. S side of Lake Hennessy. Comment
  SEINET13944733 Image available Lomatium Joseph Andorfer Ewan 1934-1 8836 Napa Local on bank alone creek bed. Steel Canyon 8 m. s. of Monticello. Comment
  RSA10651  Lomatium californicum C. B. Wolf 1928-5-3 1838 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  NY406043  Lomatium ciliolatum var. hooveri M. E. Mathias 1937-5-23 1298 Napa 1.9 mile southeast of Napa-Lake County line on road to Knoxville Comment
  SEINET3074556 Image available Lomatium ciliolatum var. hooveri M. E. Mathias 1937-5-23 1298 Napa 1.9 mile southeast of Napa-Lake County line on road to Knoxville. Comment
  UCD149668  Lomatium dasycarpum 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
  JEPS14279 Image available Lomatium dasycarpum var. decorum W. L. Jepson 1896-6-2 14303 Napa Conn Valley Ridge Napa River Basin; Conn Valley Ridge, Napa Valley Basin Comment
  UCD47860  Lomatium hooveri D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa, and K. Watts 2000-4-28 7 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., south path. 545 Comment
  JEPS104570  Lomatium macrocarpum Jake Ruygt 1981-5-13 1022 a Napa American Canyon, .2 mile east of Flosden Road 164 Comment
  JEPS104568  Lomatium marginatum var. purpureum Jake Ruygt 1998-5-2 3953 Napa Jerd Creek 329 Comment
  UCD170152  Lomatium marginatum var. purpureum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 737 Napa East side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 347 Comment
  UC1076637  Lomatium marginatum var. purpureum Lincoln Constance, Reino Alava, Robert Ornduff 1957-5-5 3548 Napa n. side Mt. St. Helena (St. Helena Creek); , St. Helena Creek 365 Comment
  UC1224683  Lomatium repostum G. Ledyard Stebbins 1964-5-24 6157 Napa in hills W of Aetna Springs, about 1/2 mi W of Corona Mine Comment
  UCD82606  Lomatium repostum Ellen Dean; T. Starbuck 2009-5-4 5544 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  JEPS104474  Lomatium utriculatum Jake Ruygt 1986-3-6 1632 Napa .4 miles east of Flosden Rd. on American Canyon Rd. 103 Comment
  UC796660  Lomatium utriculatum Ira L. Wiggins 1949-4-30 12081 Napa 2 1/2 mi. above Calistoga (along old toll rd. to Middletown) Comment
  JEPS104515  Lomatium vaginatum Jake Ruygt 1998-5-30 4003 Napa Table Rock 749 Comment
  JEPS106725  Lonicera hispidula var. vacillans Jake Ruygt 1998-7-18 4092 Napa Bear Valley 640 Comment
  JEPS12842  Lonicera hispidula var. vacillans Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Napa Range Comment
  UC28534  Lonicera interrupta Willis L. Jepson 1893-9-23 Napa Mt. St. Helena Napa River Basin 853 Comment
  JEPS107213  Lotus grandiflorus var. grandiflorus Jake Ruygt 1998-5-18 3974 Napa north of Mt. Vaca on ridgeline. 798 Comment
  JEPS107212  Lotus humistratus Jake Ruygt 1977-4-17 192 Napa .4 mile west of HWY 29 on Oat Hill Mine Road 195 Comment
  JEPS107211  Lotus micranthus Jake Ruygt 1990-4-21 2488 Napa Giles Mead Ranch, Atlas Peak Rd. 475 Comment
  RSA10665  Lotus micranthus Carl B. Wolf 1928-5-3 1824 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  SEINET3694609 Image available Lotus micranthus W. L. Jepson 1893-4-24 13787 Napa Howell Mountain grade, E of town of St. Helena, Napa River Basin Comment
  UC1197289  Lotus purshianus var. purshianus Joseph P. Tracy 1905-7-6 2217 Napa 3-4 mi e Angwin's (on hills at Head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 457 Comment
  UCR220102  Lotus scoparius var. scoparius Ayzik Solomeshch, Stephen Rae 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  UC1300863  Lotus wrangelianus Helen K. Sharsmith 1963-3-17 5231 Napa Silverado Trail San Francisco Bay Region 76 Comment
  UCD167263  Ludwigia palustris Jake Ruygt 1991-6-29 2749 Napa Fawn Lake, Friesen's Lakes, Angwin. 585 Comment
  UC82137  Lupinus D. Cleveland 1882-8-25 Napa Aetna Springs Comment
  UC402911  Lupinus albifrons Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George; nw flanks of Mt. George Comment
  UC725890  Lupinus albifrons A. A. Heller 1940-5-6 15587 Napa just below the summit crossing of State Highway #29 e side Mt. St. Helena; e side of Mt. St. Helena just below summit Comment
  UCD48954  Lupinus albifrons Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along road to research station. 402 Comment
  CAS-BOT-BC201553  Lupinus albifrons var. albifrons A. A. Heller 1940-5-6 L 5587 Napa East side of Mt. St. Helena just below the summit crossing of State Highway #29 Comment
  CDA11338  Lupinus albifrons var. albifrons G. F. Hrusa 1995-4-2 12048 Napa North Coast Biodiversity Arena; 1 m. NE of corner of Chiles-Pope Valley Rd. and Hwy 128 heading up Salt Canyon, upper end of Hennessey Res., on Hwy. 128. Comment
  JEPS107235  Lupinus bicolor Jake Ruygt 1996-5-4 3655 Napa Butts Canyon Road at James Creek Road; SE field. 205 Comment
  JEPS64990  Lupinus bicolor W. L. Jepson 1897-5-2 61 t Napa St. Helena Comment
  UCD107265  Lupinus bicolor G. E. Johnston 1974-4-4 6119 Napa near Bell Canyon, near Angwin. 426 Comment
  UCD16030  Lupinus bicolor N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 18 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 2-3 dm tall, flowers dark purple/blue. Comment
  UCD161754  Lupinus bicolor Jake Ruygt 1996-4-27 3637 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 219 Comment
  UC127048  Lupinus formosus Willis L. Jepson 1893-9-24 Napa Angwin's Meadows, Howell Mt. Napa River Basin Comment
  UC15865  Lupinus formosus Willis L. Jepson 1893-1 Napa Napa River Basin, near Oakville Comment
  UC15861  Lupinus formosus var. formosus W. H. Brewer 1861-11-5 857 Napa Napa Valley; ; Fields near Camp 64 (modern Yountville) fide FB Comment
  UCD161788  Lupinus microcarpus Jake Ruygt 1998-4-27 3946 Napa Foley Creek Basin, west ridge, east of Berryessa-Knoxville Road. 414 Comment
  OBI48332  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jctn Hwy 29 in Rutherford, 3.6 mi W jct Lower Chiles Valley Rd Comment
  UCD108640  Lupinus microcarpus var. densiflorus J. K. Clark 1966-5-11 26 Napa 8 miles south of Knoxville on Knoxville-Berryessa road. Comment
  JEPS107216  Lupinus microcarpus var. microcarpus Jake Ruygt 1988-5-29 2195 Napa Cedar Valley 588 Comment
  UCD16026  Lupinus microcarpus var. microcarpus N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 14 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 3-6 dm tall, flowers light purple, white, or yellow. Comment
  CDA37922  Lupinus nanus D. G. Kelch 2010-5-6 10 .167 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  CHSC84571  Lupinus nanus John Dittes 2003-4-5 2003 -14 Napa Inner North Coast Range; approximately 6.0 air-miles north of Calistoga, west of confluence of St. Helena and Van Ness Creeks, approximately 0.7 air-mile south of the Lake County Line; on slope below State Hwy 29. 475 Comment
  UC483321  Lupinus nanus Ira L. Wiggins 1932-3-12 5765 Napa between Franz Valley and Calistoga; between Franz Valley and Calistoga Comment
  UCD108933  Lupinus nanus Craig Brauer 1974-4-15 7079 Napa the collection was made near Wallace Ranch. 188 Comment
  OBI17959  Lupinus nanus Lewis S. Rose 1964-4-2 64014 Napa St. Helena 76 Comment
  UCD164863  Lupinus nanus Jake Ruygt 2012-4-16 5816 -d Napa South half of Spanish Valley. 237 Comment
  JEPS65427  Lupinus polyphyllus W. L. Jepson 1893-6-26 44 t Napa Howell Mt. Comment
  CAS-BOT-BC202221  Lupinus sericatus Charles Piper Smith 1948-6-3 48311 Napa Highway 29 - Stevenson Place, 0.4 miles north Comment
  CAS-BOT-BC202227  Lupinus sericatus John Thomas Howell 1934-3-26 11797 Napa Summit of highway, (at Molly Patten's), Mt. St. Helena Comment
  JEPS107244  Lupinus sericatus Jake Ruygt 1980-5-3 866 Napa Aetna Mine Rd. at Twin Peaks 716 Comment
  CAS-BOT-BC202228  Lupinus sericatus Alice Eastwood 1923-5-9 s.n. Napa Mt. St. Helena Comment
  SEINET10486273  Lupinus subvexus James P. Smith, John O. Sawyer 1970-5-17 Smith, Jr. 3790 Napa 9 mi n of pope valley; digger pine chapparal; serpentine. Comment
  UCD170379  Lupinus succulentus Daniel Potter; N Khuu 2016-5-8 876 Napa Along Nevada Creek, just west of Knoxville Wildlife Area boundary. 223 Comment
  UCD47980  Lupinus succulentus S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, K. Watts 2000-4-28 17 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of Old Knoxville Rd. 426 Comment
  SEINET10490282  Lupinus vallicola subsp. apricus Ira L. Wiggins 1932-3-12 Wiggins 5765 Napa Between franz valley and calistoga. Comment
  UC1152134  Luzula comosa Joseph P. Tracy 1933-4-30 12098 Napa head Moore's Creek (now Las Posadas Forest, Howell Mountain); Howell Mountains, head of Moore's Creek, now Las Posadas For Comment
  UC183778  Luzula macrantha Joseph P. Tracy 1902-5-21 1604 Napa Northern Coast Ranges. Howell Mountain. On hills at head of Moore's Creek, 3-4 miles east of Angwin's 457 Comment
  CAS-BOT-BC441243  Luzula macrantha Alice Eastwood 1922-3-25 11094 Napa Calistoga Comment
  CHSC102256  Lycopersicon esculentum Lowell Ahart 2009-10-27 16501 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
  JEPS40213  Madia elegans W. L. Jepson 1893-9-23 Napa Upper Napa Valley Comment
  CAS-BOT-BC344443  Madia exigua R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6661 Napa 5 mi. E. of St. Helena on road to Pope Valley 304 Comment
  JEPS106546  Madia exigua Jake Ruygt 1982-5-15 1258 Napa Stags Leap-Soda Canyon 426 Comment
  POM263490  Madia exigua J. C. Roos 1939-5-13 267 Napa Angwin, Howell Mt. Comment
  UCD111672  Madia exigua Christopher Mallek 2007-5-13 s.n. Napa Knoxville. 593 Comment
  UCD134257  Madia exigua J. M. Tucker 1971-5-29 4192 Napa on Lower Chiles Valley Road, 1.5 miles northwest of its junction with State Highway 128. Comment
  UCD48581  Madia exigua Kook-Hyun Chung; M. Hauselt, C. Ineich, J. Deusterman 2001-4-28 9 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft.) 'as the crow flies' NW of jct. with S. Decker Canyon Rd.; downslope of West Rd. ca. 20 m. 242 Comment
  UC584054  Madia exigua J. Clausen 1935-5-22 1070 Napa ca 1 mi e Chiles Valley Store 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
  JEPS40379  Madia gracilis W. L. Jepson 1938-5-24 18852 Napa Howell Mts. Napa Range 762 Comment
  UCD13155  Madia gracilis Kathleen Worden 1981-5-24 10 Napa Highway 128, 2.2 miles southeast of Moskowitz Corner. Comment
  RSA52718  Madia gracilis subsp. gracilis I. L. Wiggins 1949-4-30 12072 Napa Along old toll road between Calistoga and Middletown, about 1.5 mi NE of Calistoga. Comment
  POM56189  Madia hallii C. F. Baker 1903-5-8 3079 Napa Knoxville. 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
  POM125421  Madia nutans Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena Comment
  UCD20030  Maianthemum stellatum C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1208 Napa Junction of Glass Mountain Road and Silverado Trail. Comment
  UCD63150  Malacothrix clevelandii Jake Ruygt 2005-6-1 4885 Napa Knoxville Wildlife Area; Blue Ridge, 1 mile N of Mays Flat. 719 Comment
  UCD18099  Malacothrix floccifera Ellen Dean; with PLB 102 class 2000-4-29 755 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-BC347514  Malacothrix floccifera John Thomas Howell 1931-4-19 6461 Napa Conn Valley, Napa Range Comment
  UCD167284  Malvella leprosa Jake Ruygt 1979-7-12 744 Napa Sheehy Creek west of Highway 29. 10 Comment
  UCD19946  Marah fabacea E. A. Dean; Virginia Boucher 2002-2-28 902 Napa Quail Ridge Reserve. Along East Rd., 0.65 airline miles SE of stock pond at tip of ridge, where East and West Roads converge. 396 Comment
  JEPS42510  Marah fabacea Willis L. Jepson 1896-2-23 14125 Napa lower slopes Howell Mt. (near Rural Health Reteat); Napa River Basin Comment
  JEPS42486  Marah oregana Willis L. Jepson 1893-4-25 14134 Napa w St. Helena (trail to Caux's Cabin); Hoods Peak Range, Napa River Basin Comment
  UCD170349  Marah watsonii Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 848 Napa Knoxville Wildlife Area, along Nevada Creek. 459 Comment
  UCR23895  Medicago arabica John C. Roos 1939-5-2 292 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  UCD15989  Medicago polymorpha C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 27 Napa McLaughlin Reserve,North of Knoxville-Berryessa Rd. Along old Knoxville Rd., just S of site of lod town of Knoxville, W side of road. 38 deg. 49' 38.7'' N; 122 deg. 20' 22.4'' W; 420 m. Comment
  SACT001483  Melica californica John Willoughby 1977-4-20 Napa Near latitude of Mount Vaca about 500 feet below ridge, chaparral, south-facing slope. 609.6 Comment
  SACT001486  Melica californica John Willoughby 1975-5-25 Napa collected along BLM road which intersects Morgan Valley Road North of Knoxville and heads southwest to Cedar Valley Comment
  UCD86443  Melica californica Beecher Crampton 1956-5-25 3465 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD87007  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
  NY1088729  Melica californica var. californica D. K. Christopher 2003-4-11 144 Napa UC Davis, Stebbins Cold Canyon Reserve. Main trail through the canyon to old homesite foundation. 166 Comment
Read comments
May 8 2010
  CDA11436  Melica geyeri G. F. Hrusa, M. Tu 1995-5-6 12159 Napa North Coast Biodiversity Arena; Shade of Quercus garryana at edge of redwood forest along Moores Creek in Las Posadas State Forest. Small colony, along steep slope approx 40 ft. above creek. Perennial. Comment
  UC771217  Melica geyeri W. S. Boyle 1942-4-25 1072 Napa 7 mi s Calistoga (along the Silverado Trail Road) Comment
  UC964731  Melica geyeri W. S. Boyle 1942-4-25 1072 Napa 7 mi s Calistoga (along Silverado Trail Road) Comment
  UCR30546  Melica geyeri John C. Roos 1939-5-12 317 Napa North Coast Range, Pacific Union College, Angwin 503 Comment
  CDA32499  Melica geyeri Unknown 1928-3-15 s.n. Napa Blake Estate, east of Pacific Union College. 0 Comment
  SEINET10599399  Melica geyeri LeRoy R. Abrams 1928-5-3 Abrams 12254 Napa Summit St. Helena Grade, Comment
  UCD164748  Melica harfordii Jake Ruygt 2014-6-9 5985 Napa Livermore Ranch, Bear Valley. 623 Comment
  CDA12102  Melica torreyana G. F. Hrusa 1989-4-24 5961 Napa North Coast Biodiversity Arena; W side of upper Chiles Valley. Comment
  UCD149633  Melica torreyana G. Ledyard Stebbins 1994-4-15 s.n. Napa Hennessey Lake. Comment
  UCD89107  Melica torreyana J. Lenz 1947-4-18 s.n. Napa Eastern Napa County. Child's Valley. Comment
  UCSB423  Melica torreyana Kamb, Peter; Chisaki, Francia 1950-4-22 Napa South side of canyon of Sage Creek about 3 miles east of Chiles Valley Comment
  RSA92938  Mentha canadensis Peter H. Raven 1952-9-14 5178 Napa Conn Cree E of Yountville Comment
  UC1239690  Mentha spicata Joseph P. Tracy 1899-7-3 403 Napa on hills at head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's); Northern Coast Ranges, Moore's Creek, Howell Mountain 335 Comment
  JEPS42847  Mentzelia laevicaulis var. laevicaulis W. L. Jepson 1930-10-19 15685 Napa Napa Valley Comment
  CAS-BOT-BC428853  Micranthes californica Carl B. Wolf 1928-5-3 1839 Napa Base of Mt. St. Helena Comment
  CAS-BOT-BC348547  Micropus californicus var. californicus Carl B. Wolf 1928-5-3 1797 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC348548  Micropus californicus var. californicus M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UC164800  Micropus californicus var. californicus J. P. Tracy 1902-5-15 1441 Napa 3-4 mi e Angwin's; head of Moore's Creek 365 Comment
  UCD148820  Micropus californicus var. californicus Ellen Dean; Diana Hickson 2014-4-29 8126 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  RSA695590  Micropus californicus var. californicus Keith E. Hoffmaster 1946-4-13 1048 Napa Putah Canyon, Coast Range Comment
  UC35584  Micropus californicus var. californicus W. L. Jepson 1893-4-26 Napa hills near Yountville Comment
  CAS-BOT-BC348968  Microseris douglasii subsp. douglasii John Thomas Howell 1931-4-19 6449 Napa Conn Valley Comment
  POM41557  Microseris douglasii subsp. douglasii Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC348967  Microseris douglasii subsp. douglasii John Thomas Howell 1931-4-3 6112 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  POM203302  Microseris douglasii subsp. douglasii J. T. Howell 1931-4-3 6112 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  POM53428  Microseris lindleyi C. F. Baker 1903-4-20 2609 Napa Mt. St. Helena. Comment
  UCD118906  Microsteris gracilis D. C. Finfrock 1950-4-2 13 Napa 2 miles from St. Helena on Pope Valley Road. Comment
  UCD122156  Mimulus angustatus Kim E. Steiner 1978-4-29 204 Napa Rancho La Jota, 0.4 mi S of Las Posadas State Forest fire station entrance. 563 Comment
  SEINET3079656 Image available Mimulus aurantiacus Royal D. Suttkus 1967-6-26 67- 30 -11 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  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
  UCD122209  Mimulus aurantiacus Alan P. Godlewski 1974-5-3 19 Napa 100 yards from hiway 128. Comment
  RSA293488  Mimulus aurantiacus var. aurantiacus John Dourley 1979-07 1856 Napa Wooden Valley Rd., north-east of Napa Comment
  RSA52723  Mimulus aurantiacus var. aurantiacus I. L. Wiggins 1949-4-30 12077 Napa hillsides along old toll road between Calistoga and Middleton, about 1.5 mi from Calistoga Comment
  JEPS110583  Mimulus congdonii Jake Ruygt 1990-4-1 2449 Napa south of Leoma Lakes, Wild Horse Valley Ranch. 429 Comment
  UCD84988  Mimulus douglasii Dena Grossenbacher 2009-3-23 950 Napa 0.3 miles west of Potato Hill and 0.1 miles north of High Point, Duff Preserve, Napa County Land Trust property. 755 Comment
  JEPS11027  Mimulus guttatus W. L. Jepson 1893-4-25 28 m Napa w St. Helena (trail to Caux's Cabin); Hood's Peak Range Comment
  JEPS11033  Mimulus guttatus W. L. Jepson 1892-3-25 68 m Napa crest above Collins Camp; Vaca Mts. Comment
  JEPS110578  Mimulus kelloggii Jake Ruygt 1998-5-20 3989 Napa Blue Ridge, +/-1.5 mi north of Mays Flat 670 Comment
  JEPS110586  Mimulus kelloggii Jake Ruygt 1980-5-3 869 Napa Bear Valley 731 Comment
  UC26955  Mimulus kelloggii W. L. Jepson 1893-5-2 29 m Napa Pope Valley grade from Calistoga Comment
  CDA41703  Mimulus layneae S. E. Schoenig 1998-6-5 98 -23 Napa 20 meters east of Ink Grade Road, 0.5 mile northwest of intersection with Howell Mountain Road. Comment
  JEPS100379  Mimulus layneae Dean W. Taylor 2001-5-15 17656 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS110615  Mimulus layneae Jake Ruygt 1999-5-17 4161 Napa Wild Horse Valley Ranch, near Leoma Lakes. 429 Comment
  JEPS128904  Mimulus layneae Jake Ruygt 1990-5-5 2528 Napa South of Leoma Lakes; Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  UC1196804  Mimulus layneae Joseph P. Tracy 1933-6-2 12460 Napa 3-4 mi e Angwin's (on hills at head Moore's Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UCD160648  Mimulus layneae Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8734 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  UCD96138  Mimulus layneae Dena Grossenbacher; Brian Green 2008-5-7 821 Napa Along Devil's Head Road, about 3.25 miles south of Berryessa-Knoxville Road junction. 468 Comment
  JEPS110581  Mimulus microphyllus Jake Ruygt 1979-4-21 538 Napa Milliken Canyon 121 Comment
  UC147909  Mimulus microphyllus J. P. Tracy 1902-5-21 1584 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 365 Comment
  UC26985  Mimulus microphyllus W. L. Jepson 1893-4-26 Napa near La Lomita; Napa River Basin; Napa River Basin, near La Lomita Comment
  JEPS110582  Mimulus nasutus Jake Ruygt 1982-4-25 1203 Napa Swartz Canyon 381 Comment
  JEPS11347  Mimulus nasutus Willis L. Jepson 1893-5-1 5 m Napa near Calistoga; Napa River Basin, Upper Napa Valley Comment
  JEPS11352  Mimulus nasutus Willis L. Jepson 1893-5-1 6 m Napa w Calistoga; Napa River Basin Comment
  CDA41840  Mimulus nudatus S. E. Schoenig 1998-6-3 98 -19 Napa 200 meters wast of Knoxville-Berryessa Road, 2 miles south of Homestake Mine. Comment
  LA86543  Mimulus nudatus J. M. Tucker; 1965-5-15 3826 Napa Cedar Valley, Devilhead Road, ca. 4 mi. (airline) S, and a little W of Knoxville 655 Comment
  UC1731235  Mimulus nudatus Dean W. Taylor 1998-6-18 16674 Napa small side canyon 0.5 mi n of mouth into Pope Valley Butts Canyon; NCoRI 289 Comment
  JEPS110595  Mimulus pilosus Jake Ruygt 1998-8-29 4110 Napa Berryessa-Knoville Road, Eticuera Creek 268 Comment
  CDA11430  Mimulus pulsiferae G. F. Hrusa, M. Tu 1995-5-6 12153 Napa North Coast Biodiversity Arena; Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  JEPS29590  Minuartia californica Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8447 Napa along Atlas Peak Rd 4.8 mi n Vichy Springs (junction of Calif. 37) (due w of and above Milliken Reservoir) 335 Comment
  UCD98253  Minuartia californica R. F. Denno 1967-4-15 45 Napa on Lower Chiles Valley Road, 3/4 mile northwest of State Highway 128. 228 Comment
  CAS-BOT-BC467200  Minuartia californica L. R. Abrams 1928-5-2 12222 Napa St. Helena Grade Comment
  JEPS106746  Minuartia douglasii Jake Ruygt 1979-5-24 631 Napa 1 mile east of Silverado Trail on HWY 128 67 Comment
  JEPS129020  Minuartia douglasii Jake Ruygt 2016-5-7 6234 -B Napa Smittle Creek west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  JEPS63304  Moluccella laevis H. J. Baade 1926-6-26 Napa Berryessa Valley; Coleman ranch 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-BC220614  Monardella villosa John Thomas Howell 1930-7-13 5349 Napa Edge of the Crater Country Comment
  CAS-BOT-BC220615  Monardella villosa Betty H. Johnson 1958-6-15 616 Napa Near St. Helena River, 6.4 mi. S. W. of Middletown 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
  JEPS110814  Monardella villosa subsp. villosa Jake Ruygt 1989-6-3 2361 Napa about 1 mile south of Monticello Dam on Vaca Mtns. 438 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
  POM180780  Monardella villosa subsp. villosa J. T. Howell 1930-7-13 5349 Napa On the edge of the Crater Country Comment
  UC25539  Monardella villosa subsp. villosa Edw. L. Greene July 1891 Napa Comment
  CAS-BOT-BC220690  Monardella viridis Elizabeth McClintock 1952-8-31 52 -602 Napa About 4 miles north of Aetna Springs, in Butts Canyon Comment
  UC1995309  Monardella viridis John Thomas Howell 1937-7-4 13060 Napa Wooden Valley Grade Comment
  UCD166669  Monardella viridis Jake Ruygt 1996-6-15 3746 Napa White Cliff Springs, above Soda Valley (Soda Spring). 384 Comment
  JEPS110825  Monardella viridis subsp. viridis Jake Ruygt 1982-7-18 1368 Napa Cedar Roughs near Guilliam Springs 298 Comment
  RSA0054950  Montia Keith E. Hoffmaster 1946-3-23 1218 Napa Along Napa-Monticello road. Comment
  CAS-BOT-BC444849  Montia fontana Peter H. Raven 1953-3-29 5212 Napa 2 mi. s. of Calistoga 106 Comment
  UCD23397  Montia perfoliata Julia Knorr 1977-4-16 5 Napa White and purple flowers. Foothill woodland, N facing slope, full shade. 6.4 miles W from Monticello Dam on Highway 128. Comment
  UCD37368  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa Napa County, north end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  JEPS75633  Nassella cernua W. L. Jepson 1936-5-28 17540 Napa Adam-and-Eve Ridge Howell Mt. Comment
  CAS-BOT-BC259963  Nassella lepida John H. Thomas 1955-5-21 5105 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  SBBG116117  Nassella lepida B. Crampton 1956-5-25 3481 Napa Howell Mtn, above SW corner of Wooden Valley Comment
  CAS-BOT-BC260175  Nassella pulchra Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5331 Napa Pope Creek E of Samuels Springs 91 Comment
  CAS-BOT-BC260179  Nassella pulchra L. R. Abrams 1928-5-3 12232 Napa St. Helena Grade Comment
  JEPS120361  Navarretia cotulifolia Jake Ruygt 1982-5-19 1283 Napa 2 miles south of Walter Springs bridge on Pope Canyon Road. Aetna Springs 7.5' Quad. Comment
  POM261443  Navarretia cotulifolia J. T. Howell 1939-4-30 s.n. Napa Walter Springs. Comment
  UC963914  Navarretia divaricata subsp. vividior Milo S. Baker 1947-7-7 11854 Napa s of Mt. St. Helena Inn (rd leading towards the Crater) 914 Comment
  JEPS112538  Navarretia heterodoxa Jake Ruygt 1992-6-11 3028 Napa south of Mitten lake, Wild Horse Valley Ranch 426 Comment
  JEPS70312  Navarretia heterodoxa W. L. Jepson 1894-10-14 20962 Napa w of Calistoga (hills back of Rebecca Ranch); Spring Mt. Range Comment
  UCD48411  Navarretia heterodoxa Heidi E. M. Dobson 1978-6-29 346 Napa California, Napa County: East slope of Mt. Veeder. Comment
  UC908407  Navarretia intertexta Herbert L. Mason 1935-5-30 8329 Napa between Lower Lake and Knoxville mine (Napa-Lake counties) Comment
  UCD160711  Navarretia intertexta subsp. intertexta Ellen Dean; Jake Ruygt 2015-5-23 8770 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  RSA128369  Navarretia jepsonii P. H. Raven 1950-6-20 s.n. Napa Just above Aetna Springs, Pope Valley Comment
  UC142968  Navarretia jepsonii Mrs. K. Brandegee Jul 26 1910-Jun 1 1911 148 Napa near Aetna Springs Comment
  UCD170458  Navarretia jepsonii Daniel Potter; Ninh Khuu 2016-6-18 887 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 447 Comment
  JEPS95201  Navarretia leucocephala subsp. bakeri Jake Ruygt 1996-5-19 3709 Napa between Barnett Rd and Pope Valley Rd 201 Comment
  JEPS112557  Navarretia mellita Jake Ruygt 2000-6-10 4266 Napa Berryessa-Knoxville Rd at old homestead near Zim- Zim Creek 304 Comment
  UC23709  Navarretia mellita Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  UCD167188  Navarretia mellita Jake Ruygt 2005-6-1 4879 Napa Knoxville Wildlife Area; spur ridge of Blue Ridge, 1 mile north of Mays Flat. 411 Comment
  UCD164826  Navarretia paradoxinota Jake Ruygt 2012-6-2 5859 Napa Spanish Valley. 213 Comment
  CAS-BOT-BC232655  Navarretia pubescens M. S. Jussel 1937-5-23 s.n. Napa Palisades 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
  UCD160778  Navarretia pubescens Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8658 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 601 Comment
  UCD167199  Navarretia squarrosa Jake Ruygt 1982-7-18 1375 Napa Deer Park Road at Four Corners. 414 Comment
  UC908083  Navarretia tagetina Herbert L. Mason 1934-4-30 8110 Napa tributary of Putah Creek Pope Valley, Putah Creek Comment
  UCD167203  Navarretia tagetina Jake Ruygt 1982-5-26 1289 Napa 0.3 miles south of Old Bale Mill on east side Highway 29. 86 Comment
  JEPS120357  Navarretia viscidula Jake Ruygt 1991-8-5 2825 Napa Rutherford Hill Lane. Rutherford 7.5' Quad. Comment
  JEPS106579  Nemacladus montanus Jake Ruygt 1998-5-25 3999 Napa Capell Canyon 188 Comment
  SEINET10461259  Nemacladus montanus Jussell JUSSELL s.n. Napa Napa Comment
  SEINET1869547  Nemacladus montanus Rimo Bacigalupi, L. T. Dempster, G. T. Robbins 1954-1 4508 Napa Barren serpentine slopes above Soda Creek along State Highway 28, 8.2 miles east of Conn Lake reservoir. Comment
  UCD75834  Nemacladus montanus Jake Ruygt 2005-6-4 4902 Napa Hunting Creek, NE of Putah Creek. 243 Comment
  HSC10925  Nemophila heterophylla Greg Bos 1963-3-3 26 Napa W slope of [Lake] Berryesa, Spanish Flat area. 152 Comment
  JEPS3146  Nemophila heterophylla L. Constance 1938-4-22 2134 Napa above Dry Creek 2 mi w Yountville (Miyakma Mountains, North Coast Ranges); North Coast Ranges, Miyakma Mountains, above Dry Creek 457 Comment
  JEPS3152  Nemophila heterophylla W. L. Jepson 1910-3-28 4023 Napa sw Calistoga (on Rebecca Ranch grade); sw of Calistoga, on Rebecca Ranch grade Comment
  UC24167  Nemophila heterophylla H. P. Chandler 1900-5-7 630 Napa Rutherford Comment
  UCD49089  Nemophila heterophylla Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd. 182 Comment
  POM203711  Nemophila heterophylla J. T. Howell 1931-4-2 6063 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  SBBG6130  Nemophila heterophylla H. and M. Dearing 1939-4-30 3232 Napa Saint Helena Comment
  UC473498  Nemophila heterophylla Belle Richardson Jackson 1930-6-8 Napa near Toll House n side Mt. St. Helena; n side Mt. St. Helena, near Toll House Comment
  UC880874  Nemophila heterophylla Lewis S. Rose 1939-4-16 39087 Napa 10 mi ne Napa (Wooden Valley); ne of Napa, Wooden Valley Comment
  UC545857  Nemophila menziesii E. Crum 1936-3-15 1738 Napa Chiles Valley Road 3.2 mi from Pope Valley Store; Chiles Valley Road <nr> Pope Valley Store Comment
  UCD170201  Nemophila menziesii Daniel Potter 2015-3-14 756 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 242 Comment
  UC146215  Nemophila menziesii Joseph P. Tracy 1903-5-16 1839 Napa near Calistoga (Napa Valley); Northern Coast Ranges, , near Calistoga 91 Comment
  UCD159790  Nemophila menziesii var. atomaria James A. Neilson Jr. 1975-4-13 3135 Napa Soda Canyon Road, near outlet of canyon. 60 Comment
  JEPS110846  Nemophila menziesii var. menziesii Jake Ruygt 1998-4-18 3910 Napa Pope Valley, N of intersection of Pope Canyon Rd X Hardin Rd 182 Comment
  POM289744  Nemophila menziesii var. menziesii Ethel Crum 1936-3-15 1738 Napa Chiles Valley Road, 3.2 miles from Pope Valley store. Comment
  JEPS110843  Nemophila menziesii var. menziesii Jake Ruygt 1997-3-18 3912 Napa Conn Valley Road, 4 mi E from Silverado Trail 103 Comment
  UCD166686  Nemophila pedunculata Jake Ruygt 1991-3-11 2668 Napa intersection of Aetna Extension Rd and Oat Hill Mine Rd. 670 Comment
  UC1188018  Nicotiana acuminata var. multiflora H. M. Wheeler Oct 1942 Napa Conn Creek; Conn Valley Comment
  UCD126688  Nicotiana acuminata var. multiflora J. M. Tucker; C. H. Lamoureux 1958-6-8 3404 Napa beside State Highway 128, 2.7 miles northeast of Rutherford. Comment
  CHSC102298  Nicotiana quadrivalvis Lowell Ahart 2009-10-12 16454 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  UCD126721  Nicotiana quadrivalvis J. M. Tucker; C. H. Lamoureux 1958-6-8 3403 Napa State Highway 128, 2.7 miles northeast of Rutherford. Comment
  UCD121197  Notholithocarpus densiflorus var. densiflorus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7368 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and 4H camp. 526 Comment
  JEPS43956  Oenothera elata subsp. hirsutissima W. L. Jepson 1895-11-26 14492 Napa White Sulphur Springs Creek bed Napa Valley Comment
  JEPS43960  Oenothera elata subsp. hirsutissima Willis L. Jepson 1893-9-23 14495 Napa above Calistoga; Napa River Basin, Upper Napa Valley Comment
  POM38647  Oenothera elata subsp. hookeri Marcus E. Jones 1881-07 s.n. Napa St. Helena. Comment
  UCD167258  Orobanche uniflora Jake Ruygt 1998-4-18 3926 b Napa Blue Ridge about 1 mile north of Mays Flat. 701 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
  UC901879  Osmorhiza berteroi Joseph Andorfer Ewan 1937-5-23 10327 Napa Mt. St. Helena; w slope, along auto road Comment
  UCD170287  Packera clevelandii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 827 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 441 Comment
  JEPS106860  Packera eurycephala var. eurycephala Jake Ruygt 1998-5-30 4008 Napa Mt. St. Helena fire trail about 3/4 mile from RLS cabin trail. 883 Comment
  JEPS82375  Packera eurycephala var. eurycephala R. F. Hoover 1938-6-11 3601 Napa Knoxville Ridge 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
  CAS-BOT-BC316944  Packera greenei Mrs. H. C. Cantelow 1934-5-30 550 Napa Mt. St. Helena Comment
  SEINET11744646 Image available Packera greenei E. Williams 1964-5-1 s.n. Napa Napa Valley Comment
  UC187240  Panicum acuminatum var. acuminatum Joseph P. Tracy 1905-7-8 2234 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  UCR23701  Parvisedum pumilum John C. Roos 1939-4-18 296 Napa North Coast Range, Deer Lake. [near] Pacific Union College, Angwin 610 Comment
  JEPS68193  Pectocarya penicillata W. L. Jepson 1893-5-1 21224 Napa w Calistoga Comment
  CHSC22786  Pedicularis densiflora Carol Getzinger 1964-3-24 15 Napa Mt. Veeder Road, 0.3 mi s of jct with Dry Creek Road. 548 Comment
  JEPS10349  Pedicularis densiflora Alice King July, 1919 Napa Van Ness Ranch; Mount St. Helena Comment
  UC480620  Pedicularis densiflora Mrs. Linsdale 1929-4-13 Napa Calistoga Comment
  UCD18029  Pedicularis densiflora Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 574 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  CAS-BOT-BC488326  Pedicularis densiflora Alice Eastwood 1922-3-25 11097 Napa Calistoga Comment
  POM182753  Pedicularis densiflora D. D. Keck 1931-4-2 1030 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  RSA654127  Pedicularis densiflora Beecher Crampton 1953-2-26 989 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  CHSC46030  Pellaea andromedifolia Lowell Ahart 1976-3-7 1021 Napa About 1/8 mile south of the road, about 2 miles south-west of Monticello Dam. 152 Comment
  HSC43956  Pellaea andromedifolia Robert M. Specht 1977-4-19 698 Napa Above drainage running NE from Adams Cr. (site 163) 497 Comment
  SEINET3872924  Pellaea andromedifolia Daphne K. Christopher, Hannah Stevens; Mark Bibbo 2003-4-11 143 Napa Uc Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation.; 0 166 Comment
  UC57304  Pellaea andromedifolia J. P. Tracy 1902-5-22 1624 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 365 Comment
  RSA602575  Pellaea mucronata L. C. Wheeler 1952-8-30 6882 Napa Manganese Ridge. Moore Creek, Howell Mountain 366 Comment
  CAS-BOT-BC71384  Pellaea mucronata Peter H. Raven 1954-1-22 6387 Napa Soda Springs Canyon just north of the Resort 213 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
  SFV8540  Penstemon heterophyllus B. Henry 1973-5-5 23 Napa North Coast Ranges Vaca Mountains. State Highway 128, 2 miles above Monticello Dam. 150 Comment
  SJSU1365  Penstemon heterophyllus J. W. Tilden 1953-5-24 1037 Napa NE slope Mt St Helena 457 Comment
  NY601710  Penstemon heterophyllus var. heterophyllus D. D. Keck 1931-4-2 1028 Napa Wooden Valley Grade, west side of Napa Range, 5 miles northeast of Napa 200 Comment
  SEINET11198823  Penstemon venustus J. A. Ewan 1934-6-30 8846 Napa 5 mi S of Monticello on Steel Canyon rd. Comment
  UCD170213  Pentagramma triangularis Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 744 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 357 Comment
  UCD137752  Pentagramma triangularis Katherine Pinney 1975-4-15 32 Napa Wragg Canyon, 2.5 miles east of Wragg Canyon Road on Highway 128. 259 Comment
  UC20891  Perideridia kelloggii Willis L. Jepson 1892-6 Napa Zem Zem Mountain Region of Clear Lake Comment
  UCD19310  Perideridia kelloggii M. A. Bibbo; E. Dean 2001-7-6 2 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.5 air miles from research station. E (upslope) side of the road. 259 Comment
  CAS-BOT-BC419150  Persicaria maculosa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  CAS-BOT-BC419301  Persicaria punctata Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  JEPS37159  Petasites frigidus var. palmatus Mrs. C. A. Hunt 1909-3-25 Napa Comment
  UC24391  Phacelia Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs Napa River Basin Comment
  UCD120303  Phacelia californica John Thomas Howell 1929-6-9 4309 Napa 4 miles from Calistoga on road to Petrified Forest. Comment
  JEPS110852  Phacelia corymbosa Jake Ruygt 1988-5-29 2190 Napa sensitive plant canyon SE of Hunting Creek campground 411 Comment
  UC24346  Phacelia distans Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  SEINET5760572  Phacelia distans M. J. Williams 1967-5-7 s.n. Napa Howell Mountain, between St. Helena and Angwin 259 Comment
  UCD170812  Phacelia heterophylla subsp. virgata 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
  UCD81821  Phacelia imbricata Ellen Dean 2009-4-24 5448 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  CDA40411  Phacelia imbricata J. T. Howell 1931-4-3 6126 Napa Pope Creek Canyon, 8 miles from Monticello. 0 Comment
  UC24385  Phacelia imbricata Edw. L. Greene July 1891 Napa near St. Helena; ; near St. Helena Comment
  CAS-BOT-BC134012  Phacelia imbricata var. imbricata John H. Thomas 1955-5-21 5153 Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 167 Comment
  SD72097  Phacelia nemoralis John Thomas Howell 1937-7-4 13061 Napa Looden Valley Grade. Comment
Read comments
May 31 2018
  UC1299141  Phacelia suaveolens Freed W. Hoffman 1947-8-4 1422 Napa Mt. St. Helena 609 Comment
  JEPS110799  Phacelia tanacetifolia Jake Ruygt 1981-4-18 980 Napa Harris Canyon 365 Comment
  CAS-BOT-BC258829  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa In Napa Valley, near Calistoga 91 Comment
  JEPS71089  Phlox gracilis W. L. Jepson 1893-5-2 15050 Napa e of Calistoga; Pope Valley Grade Comment
  CAS-BOT-BC134982  Phoradendron bolleanum H. L. Mason; L. Constance 1939-12-21 s.n. Napa above St. Helena Creek on the shoulder of Mt. St. Helena on the Middletown-Calistoga road to Lake County line Comment
  JEPS56135  Phoradendron densum Donald V. Hemphill 1968-7-13 Napa sw Lake Berryessa; Cedar Roughs 609 Comment
  UC1039601  Phoradendron densum Herbert L. Mason 1926-1-2 2607 Napa Mt. St. Helena, Toll House Canyon Comment
  RSA451852  Physocarpus capitatus T. Gertrude Williamson 1924-7-4 s.n. Napa Saint Helena, White Sulphur Springs. Comment
  SBBG50615  Physocarpus capitatus R. A. Christison 1960-4-24 51 Napa 2 mi below jct of Silverado Rd with Glass Mtn Rd 15 Comment
  HSC71539  Pickeringia montana J. P. Smith, J. O. Sawyer 1970-5-17 3782 Napa 8 mi. N of Pope Valley Comment
  SEINET2056445 Image available Pickeringia montana M. F. Wojciechowski 2000-5-27 895 Napa Cache Creek area north of Lake Barryessa. Comment
  RSA602574  Pickeringia montana L. C. Wheeler 1952-8-30 6881 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  JEPS107240  Pickeringia montana var. montana Jake Ruygt 1976-5-18 93 Napa 5.3 miles west of Madronna St. on Spring Mountain Rd. 615 Comment
Read comments
Aug 15 2010
  JEPS120338  Pilularia americana Jake Ruygt 1998-5-23 3995 Napa Napa Airport Industrial Park, NW corner. Cuttings Wharf 7.5' Quad. Comment
  CAS-BOT-BC73327  Pinus attenuata L. R. Abrams 1928-5-4 12273 Napa Near summit Mt. St. Helena. Comment
  JEPS46898  Pinus sabiniana W. L. Jepson 1906-12-29 Napa St. Helena St. Helena (above Sanitarium) Comment
  SEINET11740444  Pinus sabiniana F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-5-19 86 -327 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  SEINET12329997  Plagiobothrys bracteatus F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -321 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  UCD74374  Plagiobothrys bracteatus Jake Ruygt 2008-5-21 5339 Napa Near Wildlake Ranch, pond south of Walnut Flat. St. Helena. 664 Comment
  UCD74375  Plagiobothrys bracteatus Jake Ruygt 2002-4-17 4387 Napa Sulphur Springs Rd., west of St. Helena. 76 Comment
  UCD35288  Plagiobothrys fulvus var. campestris Beecher Crampton 1955-4-7 2436 Napa Napa County; 7.8 miles north of Monticello. Comment
  UCD74377  Plagiobothrys fulvus var. campestris Jake Ruygt 1983-4-8 1413 Napa South side of Hwy. 12 at Sonoma Co. line. 88 Comment
  JEPS106767  Plagiobothrys greenei Jake Ruygt 1980-4-22 837 Napa .5 miles west of Pope Valley Rd. on Barnett Rd. 201 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
  UC1301088  Plagiobothrys nothofulvus Helen K. Sharsmith 1963-4-20 5345 Napa on Monticello Road San Francisco Bay Region, Napa Range (sw slope of range) 152 Comment
  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
  UCD23372  Plagiobothrys nothofulvus Rebecca L. Moehlmann 1977-4-16 16 Napa White flowers, pentamerous, pubescent. Foothill woodland with blue oak, live oak and digger pine. Beside Hwy 128, 6.4 miles southwest of Monticello Dam, roadside. Wragg Canyon. 198 Comment
  SEINET12275936  Plagiobothrys scriptus P. H. Raven 1957-1 10741 Napa near the hot springs at the airport, Calistoga Comment
  UCD147458  Plagiobothrys stipitatus var. micranthus Ellen Dean; Diana Hickson 2014-4-29 8071 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  CAS-BOT-BC228491  Plagiobothrys strictus John Thomas Howell 1926-3-28 1778 Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC228497  Plagiobothrys strictus David D. Keck 1931-4-4 1095 Napa Geysers just NW of Calistoga, NW county Comment
  JEPS68146  Plagiobothrys tenellus W. L. Jepson 1938-5-25 18867 Napa Bell Canyon Napa Range, Howell Mt. 579 Comment
  UC1245375  Plagiobothrys tenellus Joseph P. Tracy 1950-5-23 18669 Napa dry gravelly flats Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UCD74385  Plagiobothrys tenellus Jake Ruygt 1980-3-22 811 a Napa Ridge on north side of Snell Valley. 268 Comment
  UCD74384  Plagiobothrys tener var. tener Jake Ruygt 1990-8-14 2475 Napa Leoma Lakes, Wild Horse Valley Ranch. 414 Comment
  UCD167144  Plagiobothrys undulatus Jake Ruygt 2015-5-6 6091 Napa East side of Highway 221, south of Suscol Creek. 30 Comment
  UCD74383  Plagiobothrys undulatus Jake Ruygt 1991-8-10 2828 Napa Fawn Lake, Friesen's Lakes, Angwin. 582 Comment
  JEPS110786  Plantago erecta Jake Ruygt 1986-3-6 1633 Napa .4 mile east of Flosden Rd. on American Canyon Rd. 146 Comment
  JEPS127854  Plantago erecta Adam C. Schneider with Dick O'Donnell 2013-5-26 236 Napa Just west of intersection between Snell Valley Road, Stagecoach Canyon Road, and Spanish Valley Trail. Comment
  UCD159902  Plantago erecta Alice Warrick; K. Walker 2007-4-3 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  JEPS7122  Plantago lanceolata W. L. Jepson 1936-6-2 17612 Napa e of Yountville Comment
  UCD18368  Plantago lanceolata R. Wenk 2000-5-14 4 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  JEPS115685  Plantago major Lowell Ahart 2009-10-27 16490 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, abou 130 Comment
  UC635474  Platystemon californicus H. L. Mason 1926-3-22 2793 Napa between Calistoga and Petrified Forest; between Calistoga and Petrified Forest Comment
  RSA264959  Platystemon californicus var. californicus George E. Johnston 1974-4-4 6115 Napa The collection was made near Bell Canyon. Near Angwin. 427 Comment
  JEPS110898  Plectritis brachystemon Jake Ruygt 1996-5-19 3720 Napa Chiles valley at east end of large meadow. 228 Comment
  JEPS4807  Plectritis brachystemon W. L. Jepson 6259 Napa Conn Valley Comment
  UCD17992  Plectritis ciliosa Ellen Dean; with Plant Biology 102 class 2001-4-14 718 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
  UCD49301  Plectritis ciliosa A. Van Houtte; E. Leger and C. Hohn 2001-4-14 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  UCD137583  Plectritis ciliosa J. D. Skoss 1948-4-1 1 Napa Putah Canyon, 14 miles above Winters. Comment
  JEPS6144  Plectritis ciliosa subsp. ciliosa Bacigalupi and Dempster 1954-5-10 4445 Napa road from Monticello to Rutherford (Highway 128, Canyon of Soda Creek); Soda Creek Comment
  JEPS110901  Plectritis ciliosa subsp. insignis Jake Ruygt 2003-3-22 4474 Napa Ink Grade, about 1 mi W of Pope Valley Road 280 Comment
  POM263492  Plectritis ciliosa subsp. insignis J. C. Roos 1939-3-27 263 Napa Pope Valley Comment
  UCD83672  Plectritis congesta subsp. brachystemon Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 7 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 185 Comment
  JEPS6143  Plectritis macrocera Bacigalupi and Dempster 1954-5-10 4446 Napa Highway 128 between Chiles Valley and Monticello Valley; Highway 128 Comment
  UC912462  Plectritis macrocera Herbert L. Mason 1926-3-14 2738 Napa Mount St. Helena Comment
  JEPS122934  Pleuropogon californicus Jake Ruygt 1996-3-23 3536 Napa North side of Deer Park Road between Napa River and Highway 29. Quad: Saint Helena. 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
  UC71014  Pleuropogon californicus Willis L. Jepson May 1892 Napa Napa Valley , Napa River Basin (Napa River Basin) Comment
  CAS-BOT-BC260957  Pleuropogon californicus var. californicus A. A. Heller 1924-4-12 s.n. Napa Near one of the hot springs, Calistoga Comment
  CAS-BOT-BC260958  Pleuropogon californicus var. californicus Peter H. Raven 1957-5-5 10748 Napa Near hot springs, Calistoga 91 Comment
  UCD90196  Pleuropogon californicus var. californicus R. Tofsrud 1951-5-20 s.n. Napa East edge of Yountville Cemetery. Comment
  CAS-BOT-BC244371  Poa annua Peter H. Raven 1953-3-29 5209 Napa 2 miles S of Calistoga 106 Comment
  UCD17987  Poa annua Ellen Dean; with Plant Biology 102 class 2001-4-14 713 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. At junction of West Loop Rd. and Decker Bay Trail. 152 Comment
  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
  UC184007  Poa howellii Joseph P. Tracy 1902-5-16 1510 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 335 Comment
  UC1254608  Poa napensis Beecher Crampton 1967-5-15 7938 Napa 2 mi. n. Calistoga (Myrtledale Hot Springs); Myrtledale Hot Springs Comment
  UCD36594  Poa napensis Beecher Crampton 1955-5-9 2750 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD37942  Poa napensis Beecher Crampton 1962-5-8 6418 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD20426  Poa secunda E. Dean; w/ PLB 102 class 2002-5-4 1013 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
  UCD18147  Poa secunda subsp. secunda Jean Shepard; with PLB 102 class 2000-4-29 202 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
  UC1279971  Pogogyne douglasii Peter H. Raven 1957-5-5 10749 Napa near geysers, Calistoga Comment
  UC1988917  Pogogyne douglasii Alice Eastwood and John Thomas Howell 1939-6-11 Napa near Calistoga Comment
  UCD38573  Pogogyne serpylloides Beecher Crampton 1956-5-25 3476 Napa Southeast Capell Valley. Comment
  JEPS30740  Polycarpon tetraphyllum John Thomas Howell 1943-6-20 18242 Napa between St. Helena and Mt. St. John (hills w of Napa Valley); w of Napa Valley 228 Comment
  JEPS51381  Polycarpon tetraphyllum W. L. Jepson 1894-10-15 Napa St. Helena Comment
  UCD98411  Polycarpon tetraphyllum Irving Grover 1954-6-29 s.n. Napa from farm buildings. Comment
  JEPS112606  Polygala californica Jake Ruygt 1979-6-1 642 Napa .7 mile west of HWY 29 on Diamond Mountain Rd. 146 Comment
  SEINET12205441  Polygala californica F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -329 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS110853  Polygonum amphibium var. emersum Jake Ruygt 1979-8-7 790 Napa .1 mile north of Yountville underpass on Yount St. 28 Comment
  JEPS51314  Polygonum aviculare subsp. aviculare Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  JEPS51315  Polygonum aviculare subsp. aviculare W. L. Jepson 1893-6-26 Napa Howell Mt. Napa Range Comment
  CAS-BOT-BC109157  Polygonum bolanderi David D. Keck 1933-11-10 2721 Napa 1 mile north of Yountville. Comment
  CAS-BOT-BC109158  Polygonum bolanderi T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain. Comment
  UC6670  Polygonum bolanderi Brewer 1861-11-11 854 Napa Napa Valley Comment
  CAS-BOT-BC414387  Polygonum californicum John Thomas Howell 1930-10-19 5610 Napa 1 mile east of Aetna Springs, Pope Valley Comment
  CAS-BOT-BC414388  Polygonum californicum W. H. Brewer 1861-11-4 856 Napa Napa Valley, east of Camp 64 609 Comment
  POM192997  Polygonum californicum H. P. Bracelin 118 Napa 1 mile of Etua Springs Comment
  UC419719  Polygonum californicum Mrs. H. P. Bracelin 1930-10-19 118 Napa about 1 mi s Etna Springs Comment
  UC1299692  Polygonum hydropiper Freed W. Hoffman 1946-8-20 1264 Napa below Conn Lake Dam; North Coast Ranges Comment
  UC1136166  Polygonum lapathifolium B. Schreiber 1936-8-16 2314 Napa 0.8 mi s Yountville; Napa Quadrangle Comment
Read comments
Nov 19 2007
  CAS-BOT-BC419831  Polygonum parryi John Thomas Howell 1940-5-19 15466 Napa Upper St. Helena Creek Comment
  UC55944  Polygonum parryi J. P. Tracy 1902-5-19 1550 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 518 Comment
  CDA34662  Polygonum punctatum L. Ahart 2009-10-12 16449 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  JEPS50655  Polygonum punctatum Willis L. Jepson 1893-9-24 14801 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC420144  Polygonum ramosissimum subsp. prolificum John Thomas Howell 1932-10-8 10800 Napa Cuttings Wharf on Napa River 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
  UCD91019  Polypogon interruptus August L. Hormay 1932-6-19 s.n. Napa Mt. St. Helena. Comment
  SBBG128694  Polypogon interruptus L. Ahart 2009-10-12 16466 Napa below high water line of Lake Berryessa, along Capell Crk E of Rest Area, 3/4 mi NE of Hwy 128 on Berryessa Knoxville Rd, 3/4 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi (air) W of Winters 133 Comment
  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
  JEPS103977  Polystichum californicum Jake Ruygt 1992-8-8 3125 b Napa near Lake Marie, Skyline Park 243 Comment
  JEPS20256  Populus fremontii subsp. fremontii W. L. Jepson 1942-11-1 20748 Napa Conn Valley; Napa Range, Conn Valley Comment
  UCD167134  Potamogeton diversifolius Jake Ruygt 2015-6-1 6118 x Napa Milliken Creek in Foss Valley. 177 Comment
  CAS-BOT-BC151177  Prunus subcordata Mrs. H. C. Cantelow 1940-4-13 s.n. Napa 8.2 miles S.W. of Monticello, on road to Napa Comment
  CAS-BOT-BC151178  Prunus subcordata Mrs. H. C. Cantelow 1936-3-22 1140 Napa Howell Mt. Comment
  POM139938  Prunus virginiana var. demissa Alice Eastwood 1922-5-5 11295 Napa Mount St. Helena. Comment
  JEPS95198  Pseudognaphalium biolettii Jake Ruygt 1987-3-19 1932 Napa Milliken Canyon 97 Comment
  UCD73398  Pseudognaphalium californicum Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  CAS-BOT-BC356982  Pseudognaphalium luteoalbum John W. Willoughby 1979-5-25 4298 Napa Vaca Mountains. Pansy Flat (ca. 1 mile south of Signal Hill) 609 Comment
  JEPS103994  Pseudotsuga menziesii Jake Ruygt 1993-4-3 3176 Napa The Palisades, south of Table Rock about 1/4 mile. 762 Comment
  POM21753  Pseudotsuga menziesii D. O. Hunt 1899-2-26 s.n. Napa Glass Mountain, St. Helena. Comment
  UCR235940  Pseudotsuga menziesii var. menziesii David A. Charlet, Dene Charlet 2005-1-1 2862 Napa North Coast Range, Robert Louis Stevenson State Park, Saint Helena Creek drainage, Mayacamas Mountains, west side of highway near trailhead 601 Comment
  UC1245374  Psilocarphus oregonus Joseph P. Tracy 1950-5-23 18666 Napa 3 to 4 mi e Angwin's (La Jota Plateau, on hills at the head of Moores Creek); Northern Coast Ranges, Howell Mountain 518 Comment
  JEPS110781  Pterostegia drymarioides Jake Ruygt 1994-3-15 3319 Napa Chiles Canyon Road about 1 mile from Chiles Valley 457 Comment
  UC292741  Pyrrocoma racemosa var. racemosa C. C. Parry Oct 1881 Napa Calistoga Comment
  CAS-BOT-BC36513  Quercus Peter H. Raven 1952-8-28 5157 Napa near Napa Soda Springs 228 Comment
  SFV890  Quercus X ganderi D. Q. Cavagnaro 1965-6-26 s. n. Napa La Jolla quicksilver mine, north slope of Mount St. John, 7 miles northwest of Oakville. Comment
  CAS-BOT-BC105495  Quercus X morehus C. R. Quick 1950-4-3 50 -01 Napa About 3.25 miles SW of Napa-Rutherford-Monticello roads junction. On northerly facing slope Comment
  UCD102777  Quercus X morehus Daniel Sanchez-Mata; M. G. Barbour and M. P. Rodriguez-Rojo 2002-5-4 s.n. Napa Lake Berryessa. Monticello Dam-Moskowite Corner. 280 Comment
  CAS-BOT-BC61810  Quercus agrifolia unspecified 1939-10-1 s.n. Napa Napa Comment
  CLARK-A1528-2916  Quercus agrifolia John C. Roos 1939-4-16 283 Napa Angwin Comment
  JEPS37366  Quercus agrifolia W. L. Jepson 1901-11-17 1754 Napa near St. Helena; Napa River Basin Comment
  JEPS37370  Quercus agrifolia W. L. Jepson 1907-12-1 2974 Napa Sanitarium Hill road Napa Valley Comment
  JEPS37372  Quercus agrifolia W. L. Jepson 1907-12-1 2973 Napa Sanitarium Hill road Napa Valley Comment
  JEPS37708  Quercus agrifolia W. L. Jepson 1895-11-25 Napa St. Helena Comment
  JEPS46630  Quercus agrifolia W. L. Jepson Nov 1901 Napa grade to Sanitarium St. Helena Comment
  UCD45012  Quercus agrifolia W. C. Overton Jr. 1980-7-13 s.n. Napa From a population of this species, Q. wislizenii, and a few hybrids; along south bank of Eticuera Creek ca. 1 1/2 road miles north of Lake Berryessa, Napa Co., Calif.; elev. 580 feet. Location is to the west of the Berryessa-Knoxville Road (at the 20.00 mile marker) where the creek turns sharply to the NW, away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to the NE of the limits shown in Griffin and Critchfield, 1972). 176 Comment
  CHSC47414  Quercus berberidifolia Lowell Ahart 1976-3-7 1024 Napa On steep hillsides, on the south side of the road and across a small stream, about 2 miles south-west of the Monticello Dam. 152 Comment
  JEPS116528  Quercus berberidifolia Jake Ruygt 2002-4-1 4379 Napa Blue Ridge north of Mays Flat. Knoxville 7.5' Quad. Comment
  SBBG111481  Quercus berberidifolia J. M. Tucker, G. L. Stebbins 1950-11-5 2004 Napa 11.5 mi NW of Monticello, beside rd to Pope Valley Comment
  UCD14834  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -7 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD14835  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -8 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD160571  Quercus berberidifolia G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  UCD73430  Quercus berberidifolia Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  UCD96198  Quercus berberidifolia Ellen Dean; with Clare Loughran 2011-5-20 7076 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  CAS-BOT-BC62454  Quercus chrysolepis Bell Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC62457  Quercus chrysolepis Alice Eastwood 1918-9-3 7953 Napa Mt. St. Helena Comment
  CAS-BOT-BC62459  Quercus chrysolepis Peter H. Raven 1953-5-2 5405 Napa Rector Creek 396 Comment
  RSA444489  Quercus chrysolepis J. C. Roos 1939-5-14 255 Napa Pacific Union College, Anguin. Comment
  UCD149579  Quercus chrysolepis Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD63353  Quercus chrysolepis Daniel Sanchez-Mata 2006-6-15 s.n. Napa Lower Chiles Valley Road. Chiles Valley. 160 Comment
  JEPS37330  Quercus douglasii W. L. Jepson 1904-6-3 2435 Napa St. Helena to Howell Mt. Comment
  UC993146  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
  UCD148822  Quercus douglasii Ellen Dean; Diana Hickson 2014-4-29 8127 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD45634  Quercus douglasii J. M. Tucker 1965-5-2 3824 Napa East side of road along summit of Blue Ridge, 0.1 mile northwest of summit of Mix Canyon Road, Napa County, California. Elevation 2700 feet. 822 Comment
  CAS-BOT-BC86435  Quercus dumosa John Thomas Howell 1933-8-27 11647 Napa E of Chiles Valley on road to Winters, Napa Range Comment
  CAS-BOT-BC79833  Quercus durata John Thomas Howell 1933-8-24 3045 Napa Canyon of Pope Valley Creek below Walter's Springs, Napa Range Comment
  CAS-BOT-BC79835  Quercus durata John H. Thomas 1955-5-21 5164 Napa Near State Highway No. 128 and capell Creek, about 12 mi E of St. Helena 274 Comment
  CAS-BOT-BC79840  Quercus durata John M. Tucker 1950-11-12 2014 -12 Napa Highway 28, 7.7 mi (by road) W of junction with Haighway 37; SE-facing hillslope above Sage Creek Comment
  CAS-BOT-BC79843  Quercus durata Walter Knight; Irja Knight 1963-9-15 241 Napa Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC79845  Quercus durata H. E. McMinn 386 Napa about 20 mi from Middletwon Comment
  CDA21884  Quercus durata H. Stabo 1968-10-21 Napa 0 Comment
  JEPS121551  Quercus durata Adam C. Schneider with Dick O'Donnell 2013-5-26 194 Napa Along Chiles Valley Road. Comment
  RSA150  Quercus durata J. T. Howell 1927-8-24 685 Napa Near Walter's Spring, Napa Range. Comment
  SFV17680  Quercus durata J. M. Tucker, G. L. Stebbins, Jr. 1950-11-5 2007 30 Napa Beside road up Howell Mountain, 5.6 miles north of St. Helena. Comment
  UC1618116  Quercus durata Donald G. Nelson 1940-8-7 702 Napa about 1 mile NW of Knoxville on road to Clear Lake 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
  UCD14825  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -21 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14827  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -25 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14837  Quercus durata John M. Tucker 1950-11-12 2014 -13 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD40324  Quercus durata Rodney Gale Myatt 1971-6-27 769 Napa Ink Grade Road near the town of Angwin, and northeast of St. Helena. 487 Comment
  UCD45893  Quercus durata D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  UCD45934  Quercus durata D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Mac Laughlin UC Natural Reserve. 680 Comment
  UCD45935  Quercus durata D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Mac Laughlin UC Natural Reserve. 680 Comment
  UCD46002  Quercus durata Margot B. Forde; D. G. Faris 1960-2-24 II p Napa Crest of Blue Ridge (Vaca Mountains) 1 1/2 miles (airline) northwest of Mt. Vaca, in Napa County, California. 762 Comment
  HSC96007  Quercus durata var. durata D. Sanchez-Mata 1996-6-22 Napa Capell Valley, in Capell Creek 380 Comment
  SBBG111408  Quercus durata var. durata J. M. Tucker, G. L. Stebbins 1950-11-5 2011 -21 Napa below Conn Valley Dam; across crk from the picnic area Comment
  UCD45897  Quercus durata var. durata J. M. Tucker 1953-10-25 2690 Napa Beside Highway 28, 1.0 mile west of junction of highways 28 and 37, ca. 30 feet from edge of road, on lower side, Capell Canyon, Napa County, California. Comment
  UCD48032  Quercus durata var. durata Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 20 Napa Napa Co, McLaughlin Reserve, apporx. 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd. 1st ridge south of Devilhead Rd. 518 Comment
  UCD46113  Quercus garryana W. L. Jepson 1916-8-6 6825 Napa Howell Mt. 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
  UCD46082  Quercus garryana var. garryana W. L. Jepson 1916-8-6 6833 Napa Howell Mt. Comment
  UCD46093  Quercus garryana var. garryana J. M Tucker 1952-4-17 2349 Napa Tree on bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. Comment
  CAS-BOT-BC105293  Quercus kelloggii John M. Tucker 1976-10-24 4381 Napa beside Dry Creek Road, 0.6 mi E of junction with Wall Road, and 5.2 mi (by road) SW of Oakville Comment
  CAS-BOT-BC105303  Quercus kelloggii Ella Dales Cantelow 1939-4-8 2502 Napa Howell Mountain Comment
  JEPS46698  Quercus kelloggii W. L. Jepson 1902-9-27 Napa St. Helena Comment
  UC521690  Quercus kelloggii Joseph Andorfer Ewan 1933-9-17 8012 Napa trail above Mt. St. Helena <???>; Mt. St. Helena Comment
  UCD46705  Quercus kelloggii W. L. Jepson 1900-3-8 505 Napa St. Helena, Napa River Basin. Comment
  UCD83399  Quercus kelloggii Jake Ruygt 1993-3-15 3170 Napa end of Lewelling Lane, Lewelling Ranch. 82 Comment
  SEINET5644379  Quercus kelloggii D. Q. Cavagnaro 1963-10-18 225 Napa At Napa Valley Ranch Club road junction, 2.8 miles west of Moskowite Corners.; 0 Comment
  RSA28534  Quercus lobata E. K. Balls, P. C. Everett 1953-10-15 18677 Napa 5.5 miles south of junction of highways 37 and 28, between Monticello and Napa. 305 Comment
  SACT002665  Quercus lobata John Willoughby 1979-5-25 Napa About 1 mile south of Signal Hill just below and to the west of the Blue Ridge, in foothill woodland on the north side of the flat. 609.6 Comment
  CLARK-A1528-2901  Quercus lobata John C. Roos 1939-3-27 282 Napa Angwin Comment
  CAS-BOT-BC104839  Quercus wislizeni G. F. Ferris 1920-10-1 s.n. Napa Napa Comment
  CAS-BOT-BC104983  Quercus wislizeni H. E. McMinn 1923-5-25 973 Napa Summit Wooden Valley Grade Comment
  RSA491721  Quercus wislizeni James L. Reveal 1987-6-7 6391 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road, about 5.5 miles west-northwest of Vacaville. 183 Comment
  UCD105632  Quercus wislizeni John M. Tucker 1953-10-23 2687 Napa Roadside, east side of Highway 37, ca. 100 yards south of junction with California Highway 28, Steel Canyon. Comment
  UCD95935  Ranunculus californicus Heidi E. M. Dobson 1978-4-8 299 Napa east slope of Mt. Veeder. Comment
  POM225341  Ranunculus hebecarpus J. T. Howell 1931-4-2 6064 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  UCD96154  Ranunculus hebecarpus J. M. Tucker 1977-4-24 4388 Napa above Eticuera Creek, west side of Berryessa - Knoxville Road, 15.6 miles (by road) north of junction with Pope Canyon Road (2.3 miles southeast of Knoxville Mine.) 304 Comment
  CAS-BOT-BC83414  Ranunculus lobbii W. R. Dudley 1895-2-23 s.n. Napa By road at head of Napa Valley. Comment
  JEPS60693  Ranunculus occidentalis Joseph P. Tracy 1933-4-30 12094 1/2 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 396 Comment
  JEPS60702  Ranunculus occidentalis W. L. Jepson 1920-5-25 9044 Napa Knoxville Ridge; ne Napa Co. 670 Comment
  UC162878  Ranunculus occidentalis Joseph P. Tracy 1902-5-22 1631 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD48146  Ranunculus occidentalis J. Howard; M. Carson, A. Haselby, P. Mayers 2000-4-29 16 Napa Napa County, McLaughlin Reserve, near Yolo County line. 670 Comment
  POM264976  Ranunculus occidentalis var. eisenii I. L. Wiggins 1928-3-24 2862 Napa Grade on old road to Lake Co. above Calistoga. Comment
  JEPS55062  Ranunculus orthorhynchus var. bloomeri Willis L. Jepson 1893-4-26 Napa Rutherford Napa River Basin Comment
  JEPS48652  Ranunculus orthorhynchus var. bloomeri Elsa Kraeger 1926-4-4 Napa near Soscal (railroad station near Napa) Comment
  CAS-BOT-BC427556  Reseda luteola Thomas H. Kearney 1948-8-1 s.n. Napa Near Napa Comment
  CDA42397  Rhagadiolus stellatus R. Robison 2014-4-21 s.n. Napa Bale Gristmill State Historic Park. 0 Comment
  CAS-BOT-BC362892  Rhagadiolus stellatus Alice Ackley; Marie Taylor 1978-3-28 s.n. Napa Triniti Road Comment
  JEPS41998  Rhamnus crocea Willis L. Jepson 1893-5-2 13971 Napa e of Calistoga (Pope Valley grade from Calistoga); Napa River Basin Comment
  CAS-BOT-BC56019  Rhamnus ilicifolia H. E. McMinn 1922-3-27 55 Napa Slope on Mt. St. Helena Comment
  UC668155  Rhamnus tomentella subsp. crassifolia Joseph P. Tracy 1938-6-6 15834 Napa 5 mi e Angwin's (on hills at head of Moores Creek); Howell Mountain, Moores Creek 365 Comment
  JEPS760  Rhamnus tomentella subsp. tomentella W. L. Jepson 1916-8-7 6839 Napa Moore's Creek Howell Mt. Comment
  JEPS106405  Rhododendron occidentale Jake Ruygt 1976-4-23 25 Napa 3.6 miles north of Ink Grade on Butts Canyon Rd. 243 Comment
  UC763158  Rhododendron occidentale R. F. Hoover 1941-4-26 4927 Napa Canyon n of Pope Valley (on road to Butts Canyon) Comment
  RSA52661  Rhododendron occidentale var. californicum I. L. Wiggins 1949-4-30 12093 Napa On northeastern slope of Mount St. Helena, near lake county line Comment
  UCD48422  Rhus aromatica C. Matthews; T. Petrie, C. Little, and K. Glover 2001-4-14 23 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; 50 ft. NW of jct between West Rd. and S. Decker Cayon Rd. in creek bed. 152 Comment
  JEPS49319  Ribes californicum Willis L. Jepson 1893-5-2 13511 Napa Mts. e Calistoga (Pope Valley grade) Comment
  UC11499  Ribes californicum Willis L. Jepson 1893-5-2 Napa near Palisades; Napa River Basin, New Pope Valley grade Comment
  UCD33890  Ribes malvaceum Beecher Crampton 1975-2-17 9106 Napa Napa County, 1/2 mile west of Monticello Dam. Comment
  UC1753838 Image available Ribes malvaceum var. malvaceum Annetta M. Carter, Edward Lee 1935-12-1 1017 Napa Wooden Valley Grade E of Napa on road to Monticello. 43.1 mi. from Berkeley. Comment
  UCD167056  Ribes malvaceum var. malvaceum Jake Ruygt 1995-4-9 3418 Napa Table Rock, The Palisades. 792 Comment
  HSC20331  Ribes roezlii var. cruentum C. B. Wolf 1928-2-25 1499 Napa Near Mt. St. Helena Inn, at summit of Mt. St. Helena grade Comment
  UC572662  Ribes roezlii var. cruentum Herbert B. Kaufner 1937-2-26 19 Napa Devil's Well Upper Mill Creek Canyon 518 Comment
  RSA0024605  Ribes roezlii var. cruentum Carl B. Wolf 1928-2-25 1499 Napa Summit of Mt. St. Helena grade, at Mt. St. Helena Inn. Comment
  CAS-BOT-BC168757  Ribes victoris Frederick V. Coville 1925-3-25 35 Napa South fork of the canyon on the Niebaum place, about a mile directly west of Rutherford. Comment
  CAS-BOT-BC168758  Ribes victoris Peter H. Raven 1951-6-10 2938 Napa Crater Region e. of Palisades 762 Comment
  UC1299685  Ribes victoris Freed W. Hoffman 1947-3-12 761 Napa Trinity Road North Coast Ranges, Dry Creek Comment
  UCD167046  Ribes victoris Jake Ruygt 1988-4-11 2146 Napa Newell Canyon. 158 Comment
  UC1176937  Ribes victoris var. minus Peter H. Raven, G. L. Stebbins Jr. 1953-4-19 5330 Napa e Chiles Valley; Soda Creek 137 Comment
  CAS-BOT-BC363047  Rigiopappus leptocladus John Thomas Howell 1931-4-3 6130 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  HSC83455  Rigiopappus leptocladus G. Holstein 1977-5-11 Napa Edge of highway, along Hwy. 128, 0.2 mi. S of intersection with Barryessa-Knoxville Rd., Capell Valley Comment
  JEPS106864  Rigiopappus leptocladus Jake Ruygt 1986-4-26 1731 Napa east of Wragg Canyon resort, Blue Ridge 304 Comment
  UCD38692  Rigiopappus leptocladus Beecher Crampton 1957-5-16 4044 Napa North end of Capell Valley, above Capell Creek, along Hwy. 128. Comment
  CAS-BOT-BC363048  Rigiopappus leptocladus David D. Keck 1933-5-29 2341 Napa Pope Creek Bridge, south of Walters Springs. South wall of Pope Creek Canyon Comment
  JEPS34919  Rigiopappus leptocladus W. L. Jepson 1938-5-18 18792 Napa slope above St. Helena Sanitarium; Howell Mountains Comment
  CAS-BOT-BC340993  Robinia pseudoacacia Alice Eastwood 1915-6-5 s.n. Napa Calistoga Comment
  CAS-BOT-BC74596  Rorippa curvisiliqua Peter H. Raven 1952-5-31 4112 Napa Conn Creek east of Yountville. 45 Comment
  JEPS53853  Rorippa curvisiliqua Willis L. Jepson Nov. 1894 13381 Napa river bed near St. Helena; river bed near St. Helena Comment
  CAS-BOT-BC147536  Rosa californica Peter H. Raven 1952-8-26 5146 Napa Railway 3/4 mi. w. of Buchli Sta. 30 Comment
  UC555671  Rosa californica Herbert L. Mason 1923-10-6 774 Napa along Wooden Valley Rd. 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-BC148156  Rosa gymnocarpa Peter H. Raven 1964-5-9 19055 Napa Edge of redwood grove along dirt road 2 miles west of Aetna Springs Comment
  UCD159726  Rosa gymnocarpa G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Redwoods. Comment
  UCD17673  Rubus H. Olmo; T. S. Mallah 1953-4-3 53 35 Napa California. Napa County: near Redwood Lodge, along road south of Calistoga. Growing in wet, swampy ground. Comment
  UCD17683  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 77 Napa California. Napa County: 2 miles west of Sage Creek on Highway 128. Comment
  CAS-BOT-BC156588  Rubus bifrons Peter H. Raven 1952-5-31 4108 Napa Slough of Napa Cr. e. of Yountville 30 Comment
  CDA34173  Rumex dentatus L. Ahart 2009-10-27 16492 Napa About 50 yards southeast of Eticuera Creek, and about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road. Approximately, 20 miles (air) northwest of Winters. Comment
  CAS-BOT-BC434078  Rumex transitorius Peter H. Raven 1951-9-9 3892 Napa Fields at Solano Co. line w. of Hy. 29 15 Comment
  JEPS107239 Image available Rupertia physodes Jake Ruygt 1988-5-3 2175 Napa .3 miles north of Oak Knoll Ave. on Silverado Trail 15 Comment
  UCD54296  Saccharum ravennae Jeffrey L. Firestone 2004-7-14 1 Napa McLaughlin Reserve; precisely at the intersections of Sections 1,2,11,12 of Range 5W, Township 11N. Alternately near waterline of holding ponds at western base of site 5 waste rockpile, to the southwest of the Homestake main pit and the former Manhattan mine site. Comment
  JEPS106743  Salicornia virginica Jake Ruygt 1991-7-19 2764 Napa south of the end of S. Jefferson St. 1 Comment
  CAS-BOT-BC103225  Salix bonplandiana Peter H. Raven 1951-6-24 3021 Napa [Brown's] Browns Valley to Napa-Sonoma Road 91 Comment
  CAS-BOT-BC103229  Salix bonplandiana Peter H. Raven 1953-4-2 5228 Napa Imola 60 Comment
  CAS-BOT-BC102890  Salix breweri John Thomas Howell 1961-3-31 36473 Napa near Conn Dam Comment
  CAS-BOT-BC108671  Salix breweri David D. Keck 1931-5-3 1075 Napa 5 miles NE of Aetna Springs, along Butts Creek, northern Napa County Comment
  CHSC108725  Salix breweri B. Castro; L. P. Janeway 2002-5-12 1369 Napa Inner North Coast Ranges. CA 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. 536 Comment
  RSA181974  Salix breweri W. L. Jepson 1930-10-19 15704 Napa Butts Canyon. Comment
  RSA3282  Salix breweri D. D. Keck 1931-4-3 1075 Napa 5 miles NE of Aetna Springs, along Butts Creek. Comment
  UC482101  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa between Pope Springs and Aetna Valley (about 1 1/2 mi from entrance of canyon); Butt Canyon Comment
  UC517434  Salix breweri John Thomas Howell 1933-8-27 11641 Napa Sage Canyon Napa Range Comment
  UCD164792  Salix breweri Jake Ruygt 1994-3-5 3406 Napa Hunting Creek. 280 Comment
  POM219053  Salix exigua Carleton R. Ball, Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 33 Napa About 2 km W of Calistoga. On main highway in roadside ditch. Comment
  RSA92782  Salix exigua Peter H. Raven 1952-5-31 4109 Napa Strand of Conn Creek. E of Yountville. 46 Comment
  CAS-BOT-BC539356  Salix laevigata Jake Ruygt 2008-4-24 5304 -c Napa Soscvol Creek at Hwy 29 19 Comment
  CAS-BOT-BC107049  Salix lasiolepis C. R. Ball; H. E. Parks 1931-2-17 17 a Napa One mile northwest of Calistoga Comment
  UC504072  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 2 Napa 10 mi from Monticello (Rutherford to Monticello); Chiles Valley Comment
  UCD164811  Salix lasiolepis Jake Ruygt 1996-5-11 3660 Napa SE of Suscol; Napa Sanitation District. 3 Comment
  CAS-BOT-BC124410  Salix lasiolepis var. lasiolepis Ira L. Wiggins 1932-3-12 5752 Napa North fork of the Napa River, 1 mi. N. of Calistoga Comment
  POM202752  Salix lucida subsp. lasiandra I. L. Wiggins 1932-3-12 5750 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  POM182720  Salvia columbariae D. D. Keck 1931-4-3 1067 Napa Pope Creek Canyon, 8 miles NW of Monticello Comment
  OBI13529  Salvia sonomensis H. E. McMinn 1923-5-25 970 Napa Summit Wooden Valley Comment
Read comments
Dec 13 2012
  UC634916  Salvia sonomensis H. L. Mason 1926-3-22 2795 Napa from Calistoga to Petrified Forest Comment
  JEPS106729  Sambucus mexicana Jake Ruygt 1989-5-27 2350 Napa Napa River about 50 yards south of Lincoln Ave., Napa 6 Comment
  UC1125354  Sambucus mexicana A. Lewis May 1932 114 Napa Ragg Canyon Napa Quadrangle 182 Comment
  UCD68004  Sambucus mexicana Bill Wengeler 1995-4-30 S.N. Napa Highway 128, 0.2 miles West of Monticello Dam, above Lake Berryessa. Found on open hillside overlooking the lake. Shrub, 10 ft. high. Flowers, cream, flat-topped inflorescence. 158 Comment
  UCR196224  Sambucus mexicana Ryan Knox, E. McDermott, G. Walden 2002-4-13 03 Napa McLaughlin UC Reserve. 0.4 mi south of old town of Knoxville, 0.7 mi west along Knoxville-Berryesa Road 432 Comment
  POM117092  Sanicula bipinnatifida Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD48517  Sanicula bipinnatifida C. Mathews; C. Little, K. Glover, T. Petrie 2001-4-14 17 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; slopes between West Rd. and Decker Bay Trail, 300 ft. N of creek, 160 ft. NE of small dry creek bed. 167 Comment
  UCD48492  Sanicula crassicaulis A. Van Houtte; E. Leger and C. Hohn 2001-4-14 12 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, on W side of S. Decker Canyon Rd., in drainage at NW rim of stock pond in Decker Canyon, W and upslope from ruined cabins. 152 Comment
  HSC70626  Sanicula laciniata J. M. DiTomaso 1980-6-13 1589 Napa Trinity Rd. from Oakville to Glen Ellen Comment
  UCD95923  Sanicula laciniata Ellen Dean; with Clare Loughran 2011-5-20 7056 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
  RSA10677  Sanicula tuberosa C. B. Wolf 1928-5-3 s.n. Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC416712  Satureja douglasii H. P. Chandler 1907-5-8 7559 Napa White Sulphur Spr. St. Helena Comment
  NY186197  Saxifraga napensis G. Thurber 03 1852 496 Napa Comment
  JEPS943  Scandix pecten-veneris W. L. Jepson 1922-4-21 9625 Napa Napa Junction Comment
  UC1301114  Scandix pecten-veneris Helen K. Sharsmith 1963-4-20 5354 Napa above Wooden Valley (San Francisco Bay Region, e side of Napa Range, on Monticello Rd); San Francisco Bay Region, Napa Range, Monticello Rd 243 Comment
  UCD20760  Schoenoplectus pungens var. longispicatus M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 110 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  JEPS121367  Scirpus acutus var. occidentalis Jake Ruygt 1993-4-20 3215 Napa Yountville Ecological Reserve, Youngville Cross Rd. Comment
  HSC10894  Scribneria bolanderi J. T. Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  RSA170259  Scribneria bolanderi Joseph P. Tracy 1950-5-23 18674 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  UC1158116  Scribneria bolanderi Joseph P. Tracy 1950-5-23 18674 Napa 3-4 mi e of Angwins (at head of Moore's Creek, La Jota Plateau, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  OBI9233  Scrophularia californica R. L. Hoover 1968-4-20 52 Napa Howell Mtn Rd, 2.6 mi NE of State Rts 29/128, on E side of rd Comment
  UCD160790  Scutellaria siphocampyloides Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8670 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  CAS-BOT-BC417006  Sedella pumila H. P. Chandler 1907-5-5 7557 Napa near Yountville Comment
  SFV12213  Sedella pumila W. R. Russell 1967-5-10 s. n. Napa Just north of Soscol House restaurant, about 2 miles south of Napa State Hospital on State Highway 29. Comment
  CAS-BOT-BC63832  Sedum spathulifolium Carl B. Wolf 1928-5-3 1837 Napa Base of Mt. St. Helena Comment
  RSA0074724  Sedum spathulifolium Carrie A. Herd 1982-5-9 101 Napa Chiles-Pope Valley Road, 3.2 mi. from Lake Henessee, N. facing road cut. Comment
  UCD149720  Selaginella wallacei Stephen P. Rae; Ayzik Solomeshch 2007-3-14 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  RSA670107  Selaginella wallacei James French 1969-2-15 s.n. Napa 7 miles NE of Napa on State Hwy 121. Comment
  JEPS37306  Senecio aronicoides Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  CDA33482  Senecio clevelandii Dale Woods, V. Popescu 2010-6-28 Napa Along Devilshead-Knoxville Road. Comment
  CDA8606  Senecio clevelandii B. E. Eaton 1970-6-24 Napa Berryessa Estates, Snell Valley. 0 Comment
  CAS-BOT-BC364594  Senecio vulgaris John H. Thomas 1955-5-21 5122 A Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CHSC45222  Senecio vulgaris Lowell Ahart 1976-3-7 1025 Napa About 2 miles south-west of Monticello Dam. 152 Comment
  CAS-BOT-BC364595  Senecio vulgaris Ira L. Wiggins 1928-3-25 2873 Napa 1 1/2 mi. N.E. of Calistoga Comment
  UCD135861  Senecio vulgaris M. R. Wanzer 1948-3-18 2 Napa Putah Creek Canyon, 12 miles west of Winters. Comment
  CAS-BOT-BC243632  Setaria pumila Peter H. Raven 1952-9-14 5184 Napa Napa State Game Farm 121 Comment
  UCD167285  Sidalcea calycosa subsp. calycosa Jake Ruygt 1983-5-1 1452 Napa Suscol Ridge near PG and E substation. 22 Comment
  RSA10687  Sidalcea diploscypha Carl B. Wolf 1928-5-3 1800 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC146121  Sidalcea diploscypha J. P. Tracy 1902-5-21 1576 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); head of Moore's Creek, Howell Mountain, e of Angwin's 365 Comment
  POM216232  Sidalcea diploscypha D. D. Keck 1933-5-29 2363 Napa Pope Creek bridge, S of Walters Springs, S. of creek Comment
  UCD116608  Sidalcea diploscypha Richard Beaver 1965-5-1 147 Napa 4.5 miles north of Calistoga, State Highway 29. Comment
  JEPS110708  Sidalcea hartwegii Jake Ruygt 1989-6-6 2364 b Napa 4.5 miles north of Monticello Rd. on Atlas Peak Rd. 448 Comment
  JEPS50054  Sidalcea hartwegii Willis L. Jepson 1893-5-9 14070 Napa hills w Rutherford; Napa River Basin, w of Rutherford Comment
  JEPS50055  Sidalcea hartwegii W. L. Jepson 1897-5-2 14069 Napa near St. Helena; near St. Helena Comment
  RSA52655  Sidalcea hartwegii I. L. Wiggins 1949-4-30 12071 Napa Along old toll road between Calistoga and Clear Lake, about 15 miles NE of Calistoga Comment
  UC198240  Sidalcea hartwegii H. P. Chandler 1907-5-8 7567 Napa White Sulphur Spr. , White Sulphur Spr. (St. Helena) Comment
  JEPS100817  Sidalcea keckii Dean Wm. Taylor with Mey Akasah 1999-6-3 17221 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  UCD170380  Sidalcea keckii Daniel Potter; N Khuu 2016-5-8 877 Napa West of Nevada Creek, west of Knoxville Wildlife Area. 294 Comment
  UCD116622  Sidalcea keckii James W. Katberg Jr. 1966-5-11 48 Napa 7 miles southeast of Knoxville, Berryessa Road. Comment
  UCD167290  Sidalcea keckii Jake Ruygt 1998-7-11 4084 Napa about 4.7 miles north of first bridge over Berryessa Knoxville road. 292 Comment
  POM118515  Sidalcea malviflora subsp. laciniata Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD144649  Silene antirrhina Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  CAS-BOT-BC384451  Silene antirrhina Peter H. Raven 1951-6-26 3056 Napa Wooden Valley Grade 304 Comment
  JEPS50888  Silene californica W. L. Jepson 1938-5-22 18831 Napa Butts Canyon South Fork Butts Canyon, South Fork Comment
  RSA14164  Silene californica Rimo Bacigalupi, I. L. Wiggins, R. S. Ferris 1933-6-2 6673 Napa 10 miles from Pacific Union College on Howell Mt. - Middletown road. Comment
  UCD73436  Silene coniflora Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  CAS-BOT-BC389180  Silene laciniata subsp. californica Betty H. Johnson 1958-6-20 620 Napa Near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  UCR212283  Silene multinervia Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
  CAS-BOT-BC364803  Silybum marianum Betty H. Johnson 1958-6-15 643 Napa 1/4th mi. above Mt. Mill House, 6.4 mi S.-W. of Middletown 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
  UC1196379  Sisyrinchium bellum Joseph P. Tracy 1933-4-30 12091 Napa on hills at head of Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD138795  Sisyrinchium bellum Heidi E. M. Dobson 1978-4-8 301 Napa east slope of Mt. Veeder. Comment
  UCD138801  Sisyrinchium bellum D. C. Finfrock 1950-4-2 12 Napa 2 miles from St. Helena on road to Pope Valley. Comment
  UCD148827  Sisyrinchium bellum Ellen Dean; Diana Hickson 2014-4-29 8132 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 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
  CDA39472  Sisyrinchium bellum T. C. Fuller 1958-5-1 3724 Napa 2.5 miles north of Calistoga. 0 Comment
  RSA195329  Sisyrinchium bellum Gilbert Muth 1967-5-19 700 Napa Milliken Dam. 335 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
  JEPS113974  Smilax californica Jake Ruygt 1989-5-27 2349 Napa Napa River about 50 yards south of Lincoln Ave., Napa. Napa 7.5' Quad. Comment
  JEPS110921  Solanum americanum Jake Ruygt 1986-7-13 1880 Napa SW of Buchli Sation near countyline 1 Comment
  CDA5926  Solanum americanum J. T. Howell 1975-10-23 51510 Napa St. Helena. 0 Comment
  UCD170147  Solanum parishii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 734 Napa Knoxville Wildlife Area 257 Comment
  JEPS110903  Solanum umbelliferum Jake Ruygt 1980-5-3 872 Napa Bear Valley 640 Comment
  POM204485  Solanum umbelliferum J. T. Howell 1933-5-21 11316 Napa Hills east of Napa. Comment
  SEINET5760783  Solanum umbelliferum L. Constance 1938-3-27 2039 Napa North Coast Ranges; east slope in the Howell Mountains, 5 miles east of Napa 457 Comment
  UCD40899  Solanum xanti Katherine Countrey 1983-4-22 4 Napa About 8 miles east of Winters on Hwy 128 at the Monticello Dam Parking area. Comment
  OBI74554  Solidago elongata David J. Keil 1986-11-8 19790 Napa Along lake Berryessa Knoxville Rd near Knoxville. 2.3 mi S of turnoff to Homestake McLaughlin Mine/Mill Comment
  UC1299293  Solidago velutina subsp. californica Freed W. Hoffman 1947-9-11 1383 Napa Butts Canyon , Butts Canyon (North Coast Ranges) Comment
  JEPS18730  Soliva sessilis W. L. Jepson 1938-5-25 18856 Napa Bell Canyon , Bell Canyon (Howell Mountain) 579 Comment
  UCD48571  Sonchus oleraceus K. Mogel; B. Pekin and M. Higley 2002-5-4 4 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-BC374657  Sonchus oleraceus Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  CAS-BOT-BC390058  Spergularia John Thomas Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St. Helena Comment
  RSA0098486  Spergularia macrotheca var. longistyla Alice Eastwood, John Thomas Howell 1938-5-15 5518 Napa Myrtledale Hot Springs. Comment
  UCD18143  Spergularia rubra Jean Shepard; with PLB 102 class 2000-4-29 194 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
  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
  JEPS100864  Stachys albens Dean W. Taylor 2000-6-29 17469 Napa Zim Zim Creek, along the creek about 2.5 miles up from confluence of Eticuera Creek and Berryessa-Knoxville Road 259 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
  UCD161755  Stellaria nitens Jake Ruygt 1996-5-14 3693 Napa White Cliff Springs; Elder Valley; PG and E property to south. 402 Comment
  UCD161325  Stephanomeria elata Jake Ruygt 1980-8-14 797 Napa Suscol hill, mediam strip of highway. (Coordinates estimated by label maker at UC Davis). 30 Comment
  JEPS122972  Stipa lepida Jake Ruygt 1982-5-12 1243 Napa American Canyon Road, 0.7 mile east of Flosden Road. Quad: Cordelia. Comment
  JEPS122973  Stipa lepida Jake Ruygt 1986-4-26 1729 Napa East of Wragg Canyon Resort, Blue Ridge. Quad: Mt. Vaca. Comment
  UC956499  Streptanthus barbiger Freed W. Hoffman 1947-9-11 1070 Napa Spring Mountain Road North Coast Ranges 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
  JEPS27000  Streptanthus breweri Joseph P. Tracy 1905-7-6 2219 Napa 3-4 mi e Angwin's (hills at head of creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  UCD167702  Streptanthus breweri W. Robert Powell 1977-4-16 2487 Napa Just east of Butts Canyon Road. 2.5 air miles from Aetna Springs. 4.0 air miles from town of Pope Valley. (Exact location unknown. Coordinates estimated by label maker.) 277 Comment
  CAS-BOT-BC61255  Streptanthus breweri H. M. Hall 1931-5-27 13099 Napa 0.6 mile west of Knoxville. Comment
  JEPS106607  Streptanthus breweri var. breweri Jake Ruygt 1981-5-6 1019 Napa .2 miles east of Walter Spprings bridge on Pope Rd. 207 Comment
  UC630647  Streptanthus breweri var. breweri John L. Morrison and Florence L. Morrison 1938-5-25 3000 Napa sw-facing outcrop 0.7 mi w Knoxville (on road to Lower Lake) Comment
  UC1198805  Streptanthus breweri var. hesperidis Joseph P. Tracy 1899-7-6 407 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  POM197071  Streptanthus glandulosus L. F. Robbins 1927-4-15 s.n. Napa [no locality information provided] Comment
  POM225546  Streptanthus glandulosus J. T. Howell 1931-4-19 6453 Napa Conn Valley. Comment
  SEINET5501528 Image available Streptanthus glandulosus Sally Walker 1983-5-26 Napa e side of Mt St Helena Napa co. Comment
  JEPS30823  Streptanthus glandulosus subsp. glandulosus W. L. Jepson 1938-5-22 18818 Napa Limekiln Creek Canyon Pope Valley (hillside) Comment
  UC735050  Streptanthus glandulosus subsp. glandulosus Lincoln Constance, J. F. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 3049 Napa se slope of mt. near old inn; Mount St. Helena Comment
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Jun 19 2014
  UCD170438  Streptanthus glandulosus subsp. glandulosus Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 910 Napa Knoxville Wildlife Area on slope west of Berryessa-Knoxville Road. 517 Comment
  UCD18076  Streptanthus glandulosus subsp. glandulosus Ellen Dean; with Plant Biology 102 class 2000-4-22 632 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
  UCD161644  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2005-6-1 4894 Napa Blue Ridge, about 1 mile north of Mays Flat. 396 Comment
  CAS-BOT-BC87331  Streptanthus hesperidis Roger Raiche 1986-5-5 60209 Napa Near Yolo county line. Morgan Valley area, Reif-Rayhouse Road ca. 0.1 mile west of county line. 743 Comment
  CAS-BOT-BC87393  Streptanthus morrisonii Lawrence LaPre'; Robin Bjork 1986-7-12 s.n. Napa At junction of Hunting Creek with Rare Plant Canyon. 365 Comment
  JEPS106598  Streptanthus morrisonii Jake Ruygt 1997-5-3 3844 Napa Sensitive plant canyon, NW of Knoxville site. 402 Comment
  UCD38863  Symphoricarpos albus var. laevigatus Beecher Crampton 1962-10-9 6703 Napa 1.25 miles southwest Angwin. Comment
  JEPS104532  Symphyotrichum spathulatum Jake Ruygt 1978-8-7 390 Napa .3 miles west of Big Ranch rd. on Oak Knoll Ave. 22 Comment
  JEPS40783  Symphyotrichum spathulatum W. L. Jepson 1893-9-21 Napa Wooden Valley Comment
  JEPS40791  Symphyotrichum subspicatum W. L. Jepson 1894-11-6 Napa Calistoga Comment
  JEPS104533  Symphyotrichum subulatum Jake Ruygt 1987-10-17 2110 Napa Fagan's Marsh 0 Comment
  CAS-BOT-BC221921  Taeniatherum caput-medusae Peter H. Raven 1952-5-26 4055 Napa 3 mi. e. Pope Valley P.O. on Monticello Rd. 182 Comment
  JEPS45772  Tamarix gallica W. L. Jepson 9832 Napa White Sulphur Creek; Napa Valley 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
  HSC21381  Tamarix parviflora Greg Bos 1963-3-17 42 Napa Delta region, Montezuma Slough. 15 Comment
  JEPS129150  Taraxacum officinale Jake Ruygt 1978-4-9 270 Napa 2.1 miles NW of Dealy Lane on Henry Road. Napa 7.5' Quad. Comment
  JEPS129144  Tetragonia tetragonoides Jake Ruygt 1980-3-27 819 Napa Napa Valley Garbage disposal site. Cuttings Wharf 7.5' Quad. Comment
  CDA20091  Tetrapteron graciliflorum A. Howald 2003-4-23 2302 Napa North Coast Ranges; Missimer Snell Valley Wildflower Area, 2.3 mi E of Butts Cyn Rd on Snell Valley Rd. Comment
  JEPS110988  Thalictrum fendleri var. polycarpum Jake Ruygt 1979-6-3 670 Napa Aetna Springs Rd. 472 Comment
  SBBG2279  Thalictrum fendleri var. polycarpum H. and M. Dearing 1939-5-3 3231 Napa White Sulphur Springs Rd, St Helena Comment
  UC1537026  Thermopsis macrophylla var. macrophylla Gordon H. True Jr. 1938-4-13 864 Napa roadside near Oak Knoll Comment
  CAS-BOT-BC66479  Thysanocarpus curvipes John Thomas Howell 1930-3-23 4574 Napa Mount Saint Helena, 5 miles from Calistoga. Comment
  CAS-BOT-BC66516  Thysanocarpus curvipes Ira L. Wiggins 1928-3-24 2866 Napa Grade on old road to Lake county above Calistoga. Comment
  CHSC43429  Thysanocarpus curvipes Lowell Ahart 1976-3-7 1028 Napa About 2 miles south-west of Monticello Dam. 152 Comment
  UC11013  Thysanocarpus curvipes Willis L. Jepson 1893-4-26 Napa La Lomita; Napa River Basin, La Lomita Comment
  UC1301099  Thysanocarpus curvipes Helen K. Sharsmith 1963-3-17 5208 Napa s side Mt. Atlas; San Francisco Bay Region, s side Mt. Atlas 609 Comment
  CAS-BOT-BC66477  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6097 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  CAS-BOT-BC66518  Thysanocarpus curvipes R. H. Platt 1898-3-24 s.n. Napa Vaca Mountains. Comment
  SEINET8727857 Image available Thysanocarpus curvipes Laura Zeller 1965-1 33 Napa Ca. 1/2 mile E of Junction of Pope Valley Road and Butts Canyon Road on Butts Canyon Road. Elevation ca. 700 feet. 213 Comment
  UC11005  Thysanocarpus curvipes Willis L. Jepson 1893-4-28 Napa Napa City; Napa River Basin, Napa City Comment
  UCR17696  Thysanocarpus curvipes var. elegans E. Turula 1975-3-29 76 Napa Soda Canyon Road, 4.2 mi. east of Silverado Trail 213 Comment
  CAS-BOT-BC67310  Thysanocarpus radians Peter H. Raven 1953-4-2 5296 Napa Tulucay Creek. 152 Comment
  CAS-BOT-BC67313  Thysanocarpus radians John Thomas Howell 1931-4-2 6107 Napa 4 miles from Monticellos on Wooden Valley Road, Napa Range. Comment
  CHSC10710  Tonella tenella Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  UCD124646  Tonella tenella J. M. Tucker 1957-3-22 3287 Napa beside Highway 37, 0.4 mie southwest of junction with road to Monticello Dam and Winters. Comment
  UCD149580  Torilis arvensis Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  SBBG322  Torreya californica C. H. Lamoureux, J. M. Tucker, R. Gankin 1957-4-11 1203 Napa St Hwy 29, 8 mi N of Calistoga Comment
  CAS-BOT-BC172955  Toxicodendron diversilobum E. Ruckert 1960-4-9 76 Napa 6495 Dry Creek Road, gate spring at entrance to property 365 Comment
  JEPS63912  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19476 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek Comment
  UCD110460  Toxicoscordion Christopher Mallek 2008-1 KX1- 7 -b Napa Knoxville. 593 Comment
  UCD139849  Toxicoscordion fremontii R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  UCD118398  Toxicoscordion micranthum Rachael Olliff; 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. 406 Comment
  UCD139880  Toxicoscordion venenosum var. venenosum P. B. Kennedy 1929-5-23 s.n. Napa St. Helena highway to Pope Valley. Comment
  UCD95925  Toxicoscordion venenosum var. venenosum Ellen Dean; with Clare Loughran 2011-5-20 7058 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 612 Comment
  JEPS112634  Trichostema lanceolatum Jake Ruygt 1991-8-1 2809 Napa Butts Canyon Rd., 1.9 miles north of How ell Mountain Rd. 240 Comment
  UCD166641  Trichostema lanceolatum Jake Ruygt 1981-7-31 1085 Napa Suscol plain near Kaiser Steel (Rocktram). 1 Comment
  UCD63859  Trichostema laxum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  OBI13450  Trichostema laxum Robert F. Hoover 1966-8-23 9919 Napa E side of Mt. St. Helena Comment
  JEPS120347  Trichostema ruygtii Jake Ruygt 2004-9-18 4666 Napa Soda Springs Road, 0.3 mile east of Soda Canyon Road. Yountville 7.5' Quad. Comment
  RSA731088  Trichostema ruygtii Jake Ruygt 2004-7-31 4638 Napa Northwest of Buzzard s Roost, north end of Stags Leap. 412 Comment
  UC1925880  Trifolium Ethel Crum 1931-1 1056 Napa Pope Valley Comment
  RSA3289  Trifolium albopurpureum D. D. Keck 1931-4-2 1039 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  JEPS106690  Trifolium albopurpureum var. albopurpureum Jake Ruygt 1992-4-10 2898 Napa Wild Horse Valley Ranch east of south lake 457 Comment
  UC1602048  Trifolium albopurpureum var. dichotomum Baker 1903-4-20 2625 Napa Mt. St. Helena Comment
  UC1925904  Trifolium albopurpureum var. dichotomum Ethel Crum 1931-1 1068 Napa Near Aetna and Butts Canyon Roads. Comment
  JEPS106694  Trifolium barbigerum var. barbigerum Jake Ruygt 1981-4-27 1007 Napa Milton Rd. across from Maury's Yachts 1 Comment
  UCD17964  Trifolium bifidum Ellen Dean; Kate Mawdsley 2001-4-9 683 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
  JEPS105673  Trifolium bifidum var. decipiens L. P. Janeway, B. Castro 2002-5-12 7535 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road 506 Comment
  UCD83440  Trifolium bifidum var. decipiens Jake Ruygt 1996-5-13 3677 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 466 Comment
  JEPS106798  Trifolium ciliolatum Jake Ruygt 1979-4-29 562 Napa .4 miles west of HWY 29 on Kortum Canyon Road 201 Comment
  SJSU7980  Trifolium ciliolatum J. C. Gibbany 1960-4-30 Napa Redwood Rd, 7 mi NW of Napa Comment
  POM182743  Trifolium ciliolatum D. D. Keck 1931-4-2 1041 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  JEPS65835  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-5-1 13737 Napa Upper Napa Valley Napa River Basin (Calistoga) Comment
  JEPS65834  Trifolium depauperatum var. depauperatum W. L. Jepson 1893-5-1 13724 Napa rd from Kings Valley to Knights Valley upper Napa Valley Comment
  JEPS106828  Trifolium depauperatum var. hydrophilum Jake Ruygt 1982-4-29 1215 Napa Suscol plain between Rocktram and HWY 29 (221) 1 Comment
  UC917166  Trifolium depauperatum var. truncatum D. C. Finfrock 1950-4-6 21 Napa 14 mi from Monticello (Mountain meadow); Pope valley Comment
  POM126289  Trifolium depauperatum var. truncatum C. F. Sonne 1887-04 s.n. Napa [Unspecified] Comment
  SEINET3131839  Trifolium dichotomum L. S. Rose 1935-4-18 35100 Napa Steel Canyon Comment
  JEPS106808  Trifolium fucatum Jake Ruygt 1993-4-12 3200 Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  UCD48022  Trifolium fucatum M. Ochoa; K. Carpenter, S. Cruz, D. Goldberg, and K. Watts 2000-4-28 21 Napa Napa County, McLaughlin Reserve, north of Knoxvillle-Berryessa Rd., just south of old town of Knoxville, west of Old Knoxville Rd. 426 Comment
  UCD83446  Trifolium glomeratum Jake Ruygt 1988-4-29 2161 a Napa SE corner of Highway 12 and 29. 22 Comment
  JEPS106710  Trifolium microcephalum Jake Ruygt 1980-5-3 867 Napa Oat Hill Mine Rd. at Twin Peaks 755 Comment
  JEPS106751  Trifolium microcephalum Jake Ruygt 1978-5-13 302 Napa north of Suscol Hill, west of HWY 29 (221) 7 Comment
  UCD149708  Trifolium microcephalum 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
  UCD111441  Trifolium microcephalum P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  JEPS65986  Trifolium microdon W. L. Jepson 1938-5-20 18805 Napa above St. Helena Sanitarium (above the vineyard of John Ballentine); Howell Mtn Comment
  POM349632  Trifolium microdon J. T. Howell 1934-3-26 s.n. Napa Calistoga geysers. Comment
  JEPS106752  Trifolium obtusiflorum Jake Ruygt 1980-5-21 895 Napa 2.7 miles north of Monticello Rd. on HWY 128 213 Comment
  UCD83421  Trifolium obtusiflorum Jake Ruygt 1988-5-1 2163 b Napa Swartz Creek near Aetna Springs. 217 Comment
  JEPS106714  Trifolium oliganthum Jake Ruygt 1989-4-8 2250 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 182 Comment
  POM126206  Trifolium olivaceum var. olivaceum C. F. Sonne 1888-04 183 Napa Napa Comment
  POM21431  Trifolium olivaceum var. olivaceum A. A. Heller, H. E. Brown, A. H. Heller 1902-4-25 7409 Napa Near Napa Comment
  SEINET7545186  Trifolium petrophilum C. F. Baker 1903-1 2625 Napa Mt. St. Helena Comment
  JEPS126125  Trifolium resupinatum Jake Ruygt 2006-5-18 5031 Napa Airport Road on south side, about 0.1 mile west of Highway 29. Cuttings Wharf 7.5' Qua. Comment
  JEPS4428  Trifolium variegatum var. melananthum Willis L. Jepson 1893-4-27 13706 Napa near Yountville (Napa Valley); Napa River Basin Comment
  JEPS106753  Trifolium willdenovii Jake Ruygt 1995-4-17 3432 Napa end of Niebaum Rd., Rutherford. 82 Comment
  JEPS4401  Trifolium willdenovii Willis L. Jepson 1893-4-24 13672 Napa e St. Helena (hills, to Conn Valley); Napa River Basin Comment
  UCD109842  Trifolium willdenovii Heidi E. M. Dobson 1978-5-20 329 Napa East slope of Mt. Veeder. Comment
  UCD49030  Trifolium willdenovii S. Murphy; K. Keck and K. Dyer 2002-5-5 18 Napa Quail Ridge UC Reserve, northern tip of ridge, along N edge of upper road leading to power lines and tip parcels, NE from intersection of West and East Roads ca. 20 m. 328 Comment
  HSC15179  Trifolium willdenovii Greg Bos 1963-3-30 50 Napa 1.6 mi. up Old Toll Rd. out of Calistoga 305 Comment
  JEPS4379  Trifolium willdenovii Willis L. Jepson 1893-4-27 13674 Napa near Yountville; Napa River Basin Comment
  POM126389  Trifolium willdenovii C. F. Sonne 1895-04 1393 Napa Soda Springs. Comment
  RSA195304  Trifolium willdenovii Gilbert Muth 1967-4-16 643 Napa Snell Valley. 183 Comment
  UCD19868  Trifolium willdenovii C. H. Lamoureux; J. M. Tucker, J. McCaskill and others 1957-4-7 1197 Napa 3 miles southeast of Calistoga, along Silverado Trail. Comment
  SEINET3991301  Trillium chloropetalum Unknown 1950-4-15 1734 Napa Shaded canyon in chaparell, Monticello Road (Wooden Valley "illegible word") above Napa 305 Comment
  CAS-BOT-BC521016  Trillium chloropetalum var. giganteum Carl B. Wolf 1928-5-3 1833 Napa Base of Mt. St. Helena Comment
  UCD75833  Triodanis biflora Jake Ruygt 2005-6-1 4893 Napa Blue Ridge, about 1 mile north of Mays Flat. 402 Comment
  UC917148  Triphysaria eriantha subsp. eriantha D. C. Finfrock 1950-4-6 22 Napa Mountain meadow 3 mi from Pope Valley (1/4 mi from Monticello, in Pope Valley) Comment
  JEPS10403  Triphysaria eriantha subsp. eriantha W. W. Mott 1915-4-26 2 Napa hills w Napa; hills w Napa Comment
  JEPS110674  Triphysaria pusilla Jake Ruygt 1981-4-27 1006 Napa Milton Rd. west of yacht club 0 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
  SJSU11599  Triphysaria versicolor subsp. faucibarbata E. C. Garbett 1961-4-15 288 Napa by rd between Vallejo & Brown Valley Rd Comment
  UC1222441  Triphysaria versicolor subsp. faucibarbata Joseph P. Tracy 1949-4-24 18288 Napa Myrtledale Hot Springs near Calistoga; Myrtledale Hot Springs 152 Comment
  CDA41891  Triphysaria versicolor subsp. faucibarbata H. Stabo 1960-4-25 s.n. Napa Southern part of county. 0 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
  JEPS74861  Triphysaria versicolor subsp. faucibarbata T. I. and F. M. Chuang 1975-5-4 7502 Napa on highway 29, 4.2 mi s Napa Comment
  JEPS86221  Triphysaria versicolor subsp. faucibarbata L. R. Heckard 1970-5-4 2447 Napa n side of Kelly Rd 0.5 mi n of CA Hwy 12 near junction of Hwy 12 and Hwy 29 ca 10 mi n Vallejo Comment
  UCD32415  Triphysaria versicolor subsp. faucibarbata Beecher Crampton 1950-5-7 570 Napa about 3-4 miles southeast of Yountsville, east side of Napa Valley, along Silverado Trail. 45 Comment
  UC187231  Trisetum canescens Joseph P. Tracy 1903-5-15 1868 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UCD95927  Trisetum canescens Ellen Dean; with Clare Loughran 2011-5-20 7059 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 612 Comment
  UC3281  Triteleia hyacinthina Willis L. Jepson 1884-5-4 Napa Little Oak Comment
  SEINET198873  Triteleia laxa R. L. Ferral 1954-5-30 12 Napa 5 feet off road on west side ca. 3 miles south of Capell Valley road junction on Montcello-Napa road 244 Comment
  UCD139391  Triteleia laxa Carolyn Thomas 1974-4-14 10822 Napa near Yountville, near Thomas Ranch. 274 Comment
  UCD159928  Triteleia laxa 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
  UCD48794  Triteleia laxa E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 10 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., on a W-facing slope approximately 2400 ft. as the crow flies NW of the jct of West Rd. and South Decker Canyon Rd. Comment
  UCD68005  Triteleia laxa Bill Wengeler 1995-4-16 s.n. Napa long Knoxville Road, approximately 4 miles North of Highway 128. 177 Comment
  UC1196279  Umbellularia californica Joseph P. Tracy 1933-4-30 12084 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
  UCD38864  Umbellularia californica Beecher Crampton 1962-10-9 6705 Napa 5 miles north Conn. Reservoir. (Lake Hennessey) Lower Chiles Valley Road. Comment
  UCR12034  Umbellularia californica Coleta A. Lawler 1964-3-24 15 Napa Redwood Road, just west of junction with Browns Valley Road. 8 Comment
  SBBG2307  Umbellularia californica var. californica Milton Workman 1953-3-7 8 Napa Portuguese Cyn, Putah Crk Rd Comment
  JEPS36213  Uropappus lindleyi W. L. Jepson 1923-4-29 9891 Napa St. Helena Comment
  UCD32573  Uropappus lindleyi Beecher Crampton 1954-5-20 1927 Napa 8 miles southwest of Monticello, along highway 128. Comment
  UCD36934  Uropappus lindleyi Beecher Crampton 1956-5-25 3449 Napa Vaca Mountains, Markley Canyon, along new road from Monticello Dam to Napa. Comment
  CLARK-A1528-4322  Verbascum blattaria John C. Roos 1938-10-22 265 Napa Comment
  CDA29772  Veronica catenata M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 216 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
  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
  UC1949226  Veronica catenata Barbara Ertter with Elizabeth Neese 1988-10-2 7952 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on N side of Rt 128 Comment
  UC1198065  Veronica peregrina subsp. xalapensis J. P. Tracy 1902-5-17 1522 Napa 3-4 mi e of Angwin's (head of Moore's Creek); Howell Mountain, Moore's Creek 457 Comment
  UCD124756  Veronica persica M. R. Wanzer 1948-5-22 27 Napa Putah Creek Canyon, 12.5 miles west of Winters. Comment
  UCD167060  Vicia americana Jake Ruygt 1999-4-27 4141 Napa Las Posadas State Forest. 542 Comment
  SBBG3867  Vicia americana subsp. americana H. and M. Dearing 1939-5-1 3247 Napa Spring Mtn Grade Comment
  JEPS106542  Vicia americana var. americana Jake Ruygt 1979-4-23 549 Napa .4 miles east of Howell Mtn. Rd. on Chiles and Pope V.Rd. 207 Comment
  JEPS106543  Vicia americana var. americana Jake Ruygt 1979-5-20 611 Napa 1 mile north of College Ave. on Howell Mtn. Rd. 548 Comment
  POM16867  Vicia sativa C. F. Baker 1903-4-19 1988 Napa Calistoga. Comment
  JEPS106541  Vicia sativa subsp. nigra Jake Ruygt 1998-6-8 4017 Napa Mead Ranch, Atlas Peak Road. 487 Comment
  UCD108922  Vicia sativa subsp. nigra David Lawfer 1952-3-29 142 Napa Napa. Comment
  UCD48007  Vicia sativa subsp. sativa Ryan Knox; E. McDermott, and G. Walden 2002-4-13 11 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of the road. 432 Comment
  UCD16041  Vicia villosa subsp. varia R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 25 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. West of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown, clay, moist soil, east facing slope. Herb, 3-4.5 dm, flws. purple. Comment
  UCD48003  Vicia villosa subsp. varia S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, K. Watts 2000-4-28 18 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of Old Knoxville Rd. 426 Comment
  UCD48004  Vicia villosa subsp. villosa A. Miles; E. Anderson, L. Lina, J. Waggoner, and R. Wenk 2000-4-22 26 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt roa