Search Results — 2000 specimen records retrieved (1475 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
  JEPS122719  Abutilon theophrasti Jake Ruygt 1996-9-2 3767 Napa SW corner, Silverado Trail at Pope Street, St. Helena. Quad: St. Helena. Comment
  JEPS77944  Acer macrophyllum Edward Lee 1936-3-15 1806 Napa Rutherford - Pope Valley road 8 mi out Rutherford; Rutherford - Pope Valley road Comment
  UCD148566  Acer macrophyllum Jake Ruygt 1976-4-15 9 Napa Napa County; 0.5 miles north of Angwin on Howell Mt. Road. 512 Comment
  UCD162093  Acer macrophyllum Dylan O. Burge 2014-3-15 1490 Napa Mount Saint Helena. 740 Comment
  UCD161303  Acer negundo Jake Ruygt 1979-4-2 472 Napa Napa Creek at First Street bridge, Napa. (Coordinates estimated by label maker at UC Davis). 4 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
  JEPS127888  Achillea millefolium Adam C. Schneider with Dick O'Donnell 2013-5-26 216 Napa About 200 meters west of Butts Canyon Rd. Comment
  UCD148098  Achyrachaena mollis Jake Ruygt 1977-4-24 194 Napa Napa County; Butts Canyon Rd. west of Pope Valley Elementary School. 213 Comment
  UCD18112  Acmispon americanus var. americanus K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 49 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  JEPS129159  Acmispon brachycarpus Jake Ruygt 2015-3-28 6053 Napa Snell Peak, Fernandez, Land Trust. Aetna Springs 7.5' Quad. Comment
  UCD148816  Acmispon brachycarpus Ellen Dean; Diana Hickson 2014-4-29 8122 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  UCD170661  Acmispon brachycarpus 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 139 Comment
  UCD18058  Acmispon brachycarpus Ellen Dean; with Plant Biology 102 class 2000-4-22 613 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
  SEINET5327425  Acmispon brachycarpus M. J. Williams 1967-5-7 s.n. Napa Howell Mtn. Between St. Helena and Angwin 198 Comment
  UCD104087  Acmispon brachycarpus R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  UCD48948  Acmispon glaber var. glaber K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. Along West Rd., ca. 0.38 as the crow flies miles (1500 ft.) NW of jct, with S. Decker Canyon Rd. 237 Comment
  UCD48952  Acmispon wrangelianus L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 21 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along North Decker Canyon Rd., 70-100 ft. N of stream. 182 Comment
  UCD15255  Acmispon wrangelianus Kathryn Specht 1984-4-28 7 Napa 5 miles east of Coyote Knoll off of Knoxville road. 121 Comment
  UCD35290  Acmispon wrangelianus Beecher Crampton 1955-4-7 2434 Napa Napa County; 7.8 miles north of Monticello. Comment
  JEPS104509  Adenocaulon bicolor Jake Ruygt 1979-6-1 641 Napa .7 miles west of HWY 29 on Diamond Mtn Road 146 Comment
  CAS-BOT-BC133133  Adenostoma fasciculatum H. E. McMinn 1925-1-23 1366 Napa Summit Wooden Valley Grade 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
  UCD18631  Adenostoma fasciculatum Roman Gankin 1957-5-30 228 Napa 5.1 miles W of Monticello Dam, just off of highway on top of hill. Comment
  SBBG14316  Adenostoma fasciculatum var. fasciculatum L. B. Hendrix 1962-5-5 42 Napa S end of Lake Berryessa Comment
  UCD169616  Adiantum jordanii Ayzik Solomeshch 2008-4 s.n. Napa north side of Pope Canyon Road ca 2 km west of intersection with Berryessa-Knoxville Road. 140 Comment
  UCD48357  Adiantum jordanii C. Matthews; T. Petrie, C. Little, and K. Glover 2001-4-14 6 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello dam; along Decker Bay Trail, 45 ft. NW from junction with West Rd. 152 Comment
  SEINET11687432  Aegilops triuncialis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -317 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  CAS-BOT-BC202653  Aesculus californica Richard R. Halse 1989-5-13 3831 Napa Along State Hwy. 29, 2.7 miles north of Calistoga; on the Calistoga Grade 240 Comment
  CAS-BOT-BC202657  Aesculus californica Peter H. Raven 1950-6-20 2326 Napa St. Helena to Conn Valley, Napa Range Comment
  RSA491724  Aesculus californica James L. Reveal 1987-6-7 6394 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road, about 5.5 miles west-northwest of Vacaville. 183 Comment
  UCD136632  Aesculus californica M. R. Wanzer 1948-5-22 24 Napa Putah Creek Canyon, 12 miles west of winters. Comment
  UCD49075  Aesculus californica M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 6 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines. 20 ft. W of lat./long. position. Along second bend of the road. 30 ft. E of power lines. 304 Comment
  HSC4596  Agoseris grandiflora W. L. Jepson 1893-4-24 Napa E of St. Helena to Conn Valley. Napa River Basin Comment
  JEPS104514  Agoseris grandiflora Jake Ruygt 1982-5-1 1303 Napa .3 miles north of Chimney Rock Golf Cour se on Silverado Trail 20 Comment
  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
  CDA9939  Agoseris grandiflora T. C. Fuller 1958-6-4 Napa 2 1/2 miles north of Calistoga. 0 Comment
  UC29368  Agoseris grandiflora var. grandiflora Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  JEPS104521  Agoseris heterophylla Jake Ruygt 1992-5-7 2938 Napa south of Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  POM182727  Agoseris heterophylla D. D. Keck 1931-4-3 1060 Napa Pope Creek canyon, 7 miles NW of Monticello Comment
  UCD63192  Agoseris heterophylla Jake Ruygt 1991-5-18 2675 Napa Fawn Lake, Friesen's Lakes, Angwin. 597 Comment
  CAS-BOT-BC22749  Agoseris heterophylla Frank Walton Gould 1939-4-7 619 Napa One miles north of Knowville on road to Lower Lake 457 Comment
  POM203304  Agoseris heterophylla John T. Howell 1931-4-3 6111 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  UCD128612  Agoseris heterophylla P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UC29363  Agoseris heterophylla var. heterophylla Willis L. Jepson 1894-5-1 Napa Conn Valley, (Napa River Basin); Napa River Comment
  CAS-BOT-BC13321  Agoseris retrorsa Paul F. Covel 1940-4-28 1742 Napa Howell Mt., near Pacific Union Coll. Comment
  RSA115543  Agrostis densiflora Beecher Crampton 1957-6-4 4105 Napa Above Capell Creek, north end of Capell Valley Comment
  CAS-BOT-BC127140  Agrostis exarata Peter H. Raven 1952-5-31 4117 Napa 2.5 miles east of Yountville. 60 Comment
  CAS-BOT-BC138821  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Northern Coast Ranges. Calistoga Hot Springs. 91 Comment
  UCD53010  Agrostis microphylla Beecher Crampton 1955-5-7 2749 Napa Meadow supplied by waters of the Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  UCD164821  Agrostis microphylla Jake Ruygt 2012-6-30 5868 Napa Crystal Flats, west of Putah Creek. 195 Comment
  RSA653983  Agrostis pallens Beecher Crampton 1956-5-25 3479 Napa eastern slope of Howell Mountains, above Wooden Valley. Comment
  UCD36949  Agrostis pallens Beecher Crampton 1956-5-25 3479 Napa Eastern slope of Howell Mountains, above Wooden Valley. Comment
  JEPS20271  Ailanthus altissima Alice King Jul 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  UCD19311  Aira caryophyllea M. A. Bibbo; E. Dean 2001-7-6 3 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
  JEPS110932  Alisma plantago-aquatica Jake Ruygt 1978-5-15 315 Napa east end of Cunard St., Napa 6 Comment
  CAS-BOT-BC229  Allium cratericola Alice Eastwood 1918-5-1 6864 Napa Mt. St. Helena Comment
  CAS-BOT-BC230  Allium cratericola Alice Eastwood 1918-5-1 6864 Napa Mt. St. Helena Comment
  CAS-BOT-BC466763  Allium cratericola John Thomas Howell 1931-4-4 6168 Napa Crater Country, Mt. St. Helena Comment
  CHSC108736  Allium falcifolium B. Castro; L. P. Janeway 2002-5-12 1364 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
  JEPS47555  Allium falcifolium W. L. Jepson 1938-5-22 18816 Napa Limekiln Canyon Pope Valleym, Limekiln Canyon Comment
  POM182716  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
  UC1133798  Allium falcifolium B. O. Schreiber 1938-4-24 2504 Napa 1/2 mi nw Knoxville; Reiff Quadrangle Comment
  UC14989  Allium falcifolium J. P. Tracy 1902-5-21 1591 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain, Moore's Creek 335 Comment
  UCD118545  Allium falcifolium Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  UCD138525  Allium falcifolium R. L. Smith 1948-5-8 s.n. Napa 6 miles north Aetna Springs, Pope Valley. Comment
  SEINET187416  Allium falcifolium J. Morrison, A Carter 1938-4-24 1355 Napa 0.6 mi W of Knoxville on rd from Monticello to Lower Lake Comment
  UCD141791  Allium falcifolium L. K. Mann 1957-4-18 s.n. Napa above road aout 1/4 mile east of crest on Conn Dam. Comment
  CAS-BOT-BC468997  Allium fimbriatum var. fimbriatum David D. Keck 1931-4-3 1083 Napa Pope Creek Canyon, 8 miles NW. of Monticello Comment
  JEPS122682  Allium peninsulare var. franciscanum Jake Ruygt 2000-5-17 4254 Napa Highway 12 NW of Duhig Road on di Rosa Preserve. Quad: Napa. 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
  CAS-BOT-BC475561  Allium serra David D. Keck 1933-5-29 2374 Napa 1.3 miles south of Knoxville Comment
  JEPS110933  Allium unifolium Jake Ruygt 1996-5-13 3675 Napa Wantrop Wildlife Sanctuary, Hardin Road, Pope Valley 438 Comment
  UCD167207  Allophyllum divaricatum Jake Ruygt 1998-6-20 4045 Napa On Palisades trail from RLSSP, east of Table Rock. 701 Comment
  UCD159904  Allophyllum gilioides Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. East section, west of Q48. 243 Comment
  UCD54562  Allophyllum gilioides K. Walker; PLB 102 2006-5-13 3 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  JEPS58642  Alnus rhombifolia W. L. Jepson Nov 26 1895-Nov 27 1895 Napa sw St. Helena; White Sulphur Springs Comment
  CAS-BOT-BC137957  Alopecurus saccatus Peter H. Raven 1952-5-29 4081 Napa Napa River 1 mile north Napa. 60 Comment
  JEPS123023  Alopecurus saccatus Jake Ruygt 1989-4-6 2247 Napa Pasture across from Bale Mill entrance. Quad: Calistoga. Comment
  JEPS115736  Amaranthus albus Lowell Ahart 2009-10-12 16468 Napa Along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters 133 Comment
  JEPS104501  Ambrosia psilostachya Jake Ruygt 1978-9-27 422 Napa .15 mi. west of Buhmann Ave. on Henry Rd 48 Comment
  JEPS110658  Amelanchier utahensis Jake Ruygt 1989-4-22 2260 Napa 2.5 miles NE of Atlas Peak Rd. on Monticello Rd. 307 Comment
  UC1010757  Amelanchier utahensis Peter H. Raven 1953-5-2 5406 Napa Rector Creek 396 Comment
  JEPS112659  Ammannia robusta Jake Ruygt 1999-7-28 4212 Napa Lake Hennessey at the boat ramp. 94 Comment
  JEPS16029  Ammi majus W. L. Jepson 1920-7-12 9066 Napa Salvador School n. Napa (near Napa R.) Comment
  UCD127159  Ammi majus Wm. Hamilton 1948-6-1 s.n. Napa Cox Ranch on Highway 29 between Napa and Yountville Comment
  CAS-BOT-BC177207  Amorpha californica var. napensis Alice Eastwood 1923-5-9 11743 Napa Calistoga Comment
  UC13276  Amorpha californica var. napensis State Survey 2648 Napa on hills near Pope Valley 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
  JEPS61143  Amsinckia intermedia W. L. Jepson 1900-3-10 535 Napa St. Helena Comment
  UCD47937  Amsinckia intermedia Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 11 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCR227357  Amsinckia intermedia Jake Ruygt 2007-5-21 5127 Napa Jameson Canyon Road, west side of Fagan Creek 61 Comment
  RSA195307  Amsinckia intermedia Gilbert Muth 1967-4-23 648 Napa Spring Mountain Road, St. Helena. Comment
  UCD170192  Amsinckia lycopsoides Daniel Potter; Ninh Khuu, Ellen Dean 2015-3-22 765 Napa Knoxville Wildlife Area, along Zim Zim Falls trail. 279 Comment
  UCD170186  Amsinckia menziesii Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 771 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 402 Comment
  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
  UCD49108  Anagallis arvensis E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 15 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. ca. 0.45 miles (2,400 ft.) as the crow flies NW from the jct of West Rd. and South Decker Canyon Rd. 249 Comment
  CAS-BOT-BC64139  Ancistrocarphus filagineus Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5326 Napa Soda Creek, e. of Chiles Valley 182 Comment
  CAS-BOT-BC64142  Ancistrocarphus filagineus John H. Thomas 1955-5-21 5171 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  UC165850  Ancistrocarphus filagineus J. P. Tracy 1902-5-17 1513 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  UCD170806  Ancistrocarphus filagineus 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  JEPS16005  Angelica californica E. L. Greene 1883-1 Napa Calistoga Comment
  UCD54302  Angelica californica Mark Bibbo; w/ Laura Wynholds 2002-7-20 64 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  UCD127215  Angelica californica David Springer 1971-5-24 24 Napa 2 miles southwest of Monticello Dam. 91 Comment
  CDA13136  Angelica tomentosa G. F. Hrusa, R. Gross 1996-6-3 13071 Napa North Coast Biodiversity Arena; Along lower Ida Clayton Rd, on Foote Ranch, NW side of Mt. St. Helena. Sheet 1 of 3 Comment
  JEPS14087  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  UCD126260  Angelica tomentosa G. F. Hrusa; R. Gross 1996-6-30 13071 Napa along Ida Clayton Rd on Foote Ranch. 700 Comment
  HSC71976  Angelica tomentosa J. M. DiTomaso 1980-7-8 1740 Napa N side of Mt. St. Helena at 48.45 mi mark on Hwy 29 610 Comment
  UC20801  Angelica tomentosa W. L. Jepson Aug. 1892 Napa near St. Helena (Napa Valley); Napa Valley Comment
  CAS-BOT-BC273164  Anisocarpus madioides L. R. Abrams 1928-5-3 12203 Napa St. Helena Grade Comment
  CAS-BOT-BC273162  Anisocarpus madioides Jean Fottrell 1906-7-1 s.n. Napa Napa redwoods Comment
  SBBG8596  Anisocarpus madioides H. and M. Dearing 1939-5-1 3241 Napa St Helena Comment
  UCD56246  Anthoxanthum odoratum Beecher Crampton 1953-6-2 1434 Napa 8 miles south of Middletown, along Hwy. 53. Comment
  JEPS14069  Anthriscus caucalis W. L. Jepson 1936-6-2 17603 Napa e of St. Helena (thickets on bank of Napa River, near bridge on road to St. Helena Sanitarium); Napa River Comment
  SD120895  Antirrhinum cornutum David M. Thompson 1983-6-17 336 Napa Just N of Pope Creekat end of Barnett Road, past vineyards, flanking streamlet 200 Comment
  UCD123453  Antirrhinum majus J. A. Marinovich 1964-5-8 s.n. Napa State Highway 128, between Monticello Dam and junction with State Highway 37. 182 Comment
  SBBG83247  Antirrhinum vexillocalyculatum D. M. Thompson 1983-6-15 330 Napa 0.3 mi N of Porter Crk 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
  UC1197615  Apocynum androsaemifolium Joseph P. Tracy 1899-7-3 435 Napa 3 - 4 mi. e. of Angwin's (on hills at head of Moore's Creek, Howell Mt.); North Coast Ranges, Howell Mt., Moore's Creek 457 Comment
  JEPS49781  Apocynum androsaemifolium Willis L. Jepson 1893-6-26 14624 Napa Howell Mt. Napa R. Basin, Howell Mt. Comment
  UC1199839  Apocynum cannabinum Herbert L. Mason 1942-9-29 12559 Napa ca. 1 mi. n. Rutherford (edge of Beaulieu Ranch) Comment
  CAS-BOT-BC392030  Aquilegia eximia John Thomas Howell 1933-8-27 11636 Napa Sage Canyon, Napa Range Comment
  JEPS110885  Aquilegia formosa Jake Ruygt 1976-5-14 80 Napa 2.5 miles west of Mt. Veeder Rd. on Redwood Rd. 237 Comment
  CAS-BOT-BC16717  Arabis modesta Donald V. Hemphill 1958-3-17 s.n. Napa Monticello Dam, Napa-Yolo county line. Comment
  JEPS106774  Arabis modesta Jake Ruygt 1998-4-18 3923 Napa Blue Ridge about 1.5 mile north of Mays Flat 731 Comment
  RSA0128968  Arabis modesta Gilbert Muth 1967-3-22 593 Napa Lake Berryessa. 121 Comment
  JEPS40077  Aralia californica Alice King July, 1919 Napa Mt. St. Helena, Van Ness Ranch Comment
  RSA394831B  Arbutus menziesii Robert E. Scholars 1975-4-19 8 Napa State Highway 128, 10 miles west of State Highway 121. Comment
  UCD117478  Arbutus menziesii L. Flaherty 1991-4-4 s.n. Napa Near Los Posadas. Comment
  UCD118558  Arbutus menziesii Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 1 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCSB19044  Arbutus menziesii 1965-4-13 Napa 3 miles W of Pope Valley on the road between Pope Valley and Angwin Comment
  CAS-BOT-BC409912  Arceuthobium campylopodum Mrs. E. C. Sutliffe 1919-10-1 s.n. Napa Mt. St. Helena Comment
  HSC15900  Arceuthobium campylopodum C. B. Wolf 1928-5-4 1851 Napa Mt. St. Helena Comment
  RSA10639  Arceuthobium campylopodum Carl B. Wolf 1928-5-4 1851 Napa Upper slopes of Mount St. Helena. Comment
  HSC7610  Arctostaphylos canescens C. B. Wolf 1928-2-25 1503 Napa 1 mi. N of summit of Mt. St. Helena grade Comment
  JEPS38625  Arctostaphylos canescens Willis L. Jepson 1893-9-23 14701 Napa summit of mt. Napa River Basin, Mt. St. Helena Comment
  JEPS38632  Arctostaphylos canescens Willis L. Jepson 1893-4-25 14698 Napa highest ridges near Caux's Knob; Napa River Basin Comment
  CAS-BOT-BC23979  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11109 Napa Mt. St. Helena Comment
  CAS-BOT-BC23981  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11117 Napa Mt. St. Helena Comment
  CAS-BOT-BC23983  Arctostaphylos canescens subsp. canescens Alice Eastwood 1915-6-7 4697 Napa Mt. St. Helena Comment
  CAS-BOT-BC23985  Arctostaphylos canescens subsp. canescens Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC23989  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12266 Napa Mt. St. Helena Trail Comment
  CAS-BOT-BC24018  Arctostaphylos canescens subsp. canescens John Thomas Howell 1930-3-23 4563 Napa Crater Country, near Mt. St. Helena Comment
  CAS-BOT-BC24021  Arctostaphylos canescens subsp. canescens T. Kearney 1946-3-1 s.n. Napa along the Monticello Winters road. Comment
  POM125382  Arctostaphylos canescens subsp. canescens Alice Eastwood 1923-5-9 11758 Napa Mount St. Helena Comment
  SBBG5402  Arctostaphylos canescens subsp. canescens H. and M. Dearing 1939-5-9 3292 Napa Mt Saint Helena Comment
  UCR23644  Arctostaphylos glandulosa John C. Roos 1939-4-16 276 Napa North Coast Range, Pacific Union College, Angwin, [Pope Valley] 240 Comment
  CAS-BOT-BC24867  Arctostaphylos glandulosa subsp. cushingiana Peter H. Raven 1952-8-27 5156 Napa Fire trail below Lokoya. 396 Comment
  SJSU5719  Arctostaphylos glandulosa subsp. glandulosa Lewis S. Rose 1964-4-2 64016 Napa 9 mi SW of Angwin 243 Comment
  UC421585  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-3-23 4562 Napa near Mt. St. Helena Comment
  UCD118157  Arctostaphylos manzanita Linnea Neuhaus; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. 0.1 mile northeast of fire station, along undeveloped road, north side of road. 519 Comment
  UCD48882  Arctostaphylos manzanita E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 22 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., 0.45 as the crow flies miles (2400 ft.) NW of jct with South Decker Canyon Rd. on the top of a W-facing slope. 233 Comment
  CDA38702  Arctostaphylos manzanita T. C. Fuller 1962-3-27 7892 Napa Road to Lake Berryessa (Hwy 37), 3.8 miles north of Wooden Valley. 0 Comment
  CAS-BOT-BC24280  Arctostaphylos manzanita subsp. manzanita Rimo Bacigalupi 1924-2-22 s.n. Napa 5 mi. from Calistoga on toll road over Mt. St. Helena. 457 Comment
  CAS-BOT-BC24284  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-8-27 11633 Napa Sage Canyon, Napa Range. Comment
  CAS-BOT-BC38726  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-9-3 7944 Napa Mt. St. Helena Comment
  CAS-BOT-BC38730  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-5-21 11311 Napa Hills east of Napa Comment
  CAS-BOT-BC38761  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1925-1-23 13621 Napa Wooden Valley Grade Comment
  CAS-BOT-BC38763  Arctostaphylos manzanita subsp. manzanita Peter H. Raven 1954-1-22 6385 Napa Sulphur Springs Canyon just N. of the resort 213 Comment
  CAS-BOT-BC38765  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4556 Napa East of the Toll House near Mt. St. Helena Comment
  CAS-BOT-BC38769  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  JEPS38707  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1895-12-26 14714 Napa hills e St. Helena Comment
  JEPS81582  Arctostaphylos manzanita subsp. manzanita R. Raiche 1982-1-16 20033 Napa on Knoxville Road 11.2 mi n State Hwy 128 Comment
Read comments
Jan 18 2009
  CAS-BOT-BC43836  Arctostaphylos stanfordiana Willis L. Jepson 1896-2-22 s.n. Napa La Jota Plateau, Howell Mt., Napa River Basin Comment
  CAS-BOT-BC43847  Arctostaphylos stanfordiana Willis L. Jepson 1896-2-23 s.n. Napa La Jota Plateau, Howell Mt., Napa River Basin Comment
  CAS-BOT-BC43854  Arctostaphylos stanfordiana Mrs. E. Wright 1920-2-22 s.n. Napa Calistoga Comment
  CDA11914  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Stebbins 1994-3-11 11598 Napa North Coast Biodiversity Arena; Ink Grade approx. 2 miles N of Angwin on Howell Mtn. Comment
  SD64429  Arctostaphylos stanfordiana Darley F. Howe 1966-6-3 4264 Napa 3 mi. S of Angwine 305 Comment
  SDSU2839  Arctostaphylos stanfordiana D. F. Howe 1966-6-3 4264 Napa 3 miles south of Angwin. 305 Comment
  UC127170  Arctostaphylos stanfordiana Harley P. Chandler Sep 7 1906-Sep 14 1906 7118 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD53853  Arctostaphylos stanfordiana W. L. Jepson 1937-4-9 17 997 Napa On a cross-rift or rock traverse 1/4 mile below summit; Adam-and-Eve Ridge; Howel Mountain. Comment
  SEINET11977845  Arctostaphylos stanfordiana A. E. Wieslander 1936-1 713 Napa Mount Saint Helena 610 Comment
  SEINET11987133  Arctostaphylos stanfordiana W. Knight, Knight, I. 1980-1 3825 Napa Tilden Botanic Gardens, Berkeley, orig. from Mt. St. Helena Comment
  JEPS122809  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 2007-1-23 5112 Napa Kortum Canyon Road on brushy ridge. QUAD: Calistoga. Comment
  POM301551  Arctostaphylos stanfordiana subsp. stanfordiana N. Hollister 1909-07 13 Napa Mt. George Comment
  RSA178671  Arctostaphylos stanfordiana subsp. stanfordiana I. L. Wiggins 1932-3-12 5767 Napa Hillside between Calistoga and Franz Valley. Comment
  RSA181955  Arctostaphylos stanfordiana subsp. stanfordiana W. L. Jepson 1915-12-6 6586 Napa Howell Mt. Comment
  RSA602256  Arctostaphylos stanfordiana subsp. stanfordiana L. C. Wheeler 1952-8-30 6876 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  SBBG115367  Arctostaphylos stanfordiana subsp. stanfordiana B. Crampton 1962-5-16 6429 Napa ca. 0.5 mi W of Aetna Springs Comment
  SBBG5508  Arctostaphylos stanfordiana subsp. stanfordiana E. R. Blakley 1956-12-23 2017 Napa trail to Linda Falls, Angwin 426 Comment
  SBBG58412  Arctostaphylos stanfordiana subsp. stanfordiana L. Rowntree 1930-7-17 Napa Napa County [no specific locality] Comment
  UC2026413  Arctostaphylos stanfordiana subsp. stanfordiana Louis C. Wheeler 1952-8-30 6876 Napa MANGANESE RIDGE: Moore Creek, Howell Mountain. Comment
  JEPS106408  Arctostaphylos viscida subsp. pulchella Jake Ruygt 1996-2-24 3518 Napa NE of Big Basin, along Pocock Creek Rd. 426 Comment
  JEPS120408  Arctostaphylos viscida subsp. pulchella Jake Ruygt 2007-3-31 5135 Napa Las Posadas State Forest, NE of Recreation Flat. Comment
  UC763112  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1941-4-26 4915 Napa between Samuel Sprs. and Walter Sprs.; Pope Creek canyon Comment
  UC65023  Aristolochia californica E. Kelly 1905-5-27 Napa near Napa Comment
  UC917133  Aristolochia californica R. B. Griffith 1949-3-14 1 Napa 8.6 mi. w. Winters (n. bank of Putah Creek); Putah Creek Comment
  UCD137815  Aristolochia californica R. B. Griffith 1949-3-14 1 Napa north bank of Putah Creek, 8.6 miles west of Winters. Comment
  UCD20914  Aristolochia californica V. (Shorty) Boucher 2002-3-27 5 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. 243 Comment
  UC468967  Arnica discoidea H. P. Chandler 1907-5-19 7579 Napa St. Helena , White Sulphur Spring Comment
  SEINET258289  Artemisia douglasiana Unknown 1986-9-19 10228 Napa Napa County: In the northern end of the Napa Valley on the west side of Calistoga. 110 Comment
  SEINET198881  Asclepias cordifolia H. E. Cott 1949-6-5 A- 137 Napa Along State Highway 28, Monticello mouth of Putah Canyon. Comment
  JEPS104578  Asclepias eriocarpa Jake Ruygt 1996-7-13 3767 c Napa south of intersection Butts Can. Rd and James Cr. Rd.(Temple) 210 Comment
  JEPS122711  Asclepias speciosa Jake Ruygt 1986-6-28 1844 Napa Mt. Millhouse Camp, Mt. St. Helena. Quad: Detert Reservoir. Comment
  JEPS79515  Aspidotis densa Edward Lee with A. Carter and E. Crum 1936-3-15 1817 Napa Rutherford-Pope Valley Rd Butt's Canyon Comment
  CAS-BOT-BC69616  Aspidotis densa Ira L. Wiggins 1949-4-30 12094 Napa Northeastern slopes of Mount St. Helena near highway between Calistoga and Middletown, near Lake County Line. 853 Comment
  RSA756247  Aster subulatus var. parviflorus Barbara Ertter, Elizabeth Neese 1988-10-2 7950 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
  CHSC84572  Astragalus breweri John Dittes 2003-4-5 2003 -13 Napa Inner North Coast Range; Napa Valley; approximately 1.8 air-miles north by northwest of Calistoga City Hall, approximately 1.0 air-mile northwest of confluence of Napa River and Garnett Creek. Alfalfa field southwest of intersection of Bennet Lane and Tubbs Lane. 123 Comment
  UC424857  Astragalus breweri Milo S. Baker Apr 15 1929-Apr 26 1929 3567 a Napa near Calistoga Geyser; near Calistoga Geyser Comment
  CAS-BOT-BC178661  Astragalus claranus John Thomas Howell 1931-4-19 6442 Napa Conn Valley Comment
  JEPS107253  Astragalus clevelandii Jake Ruygt 1991-6-29 2756 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 121 Comment
  CAS-BOT-BC178291  Astragalus gambelianus John Thomas Howell 1933-5-21 11310 Napa Hills east of Napa. Comment
  JEPS107252  Astragalus gambelianus Jake Ruygt 1989-4-22 2284 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 304 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
  UC1199089  Astragalus gambelianus Joseph P. Tracy 1899-6-14 400 Napa 3-4 mi e Angwin's Howell Mountain (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, , head of Moore's Cree 365 Comment
  UCD104826  Astragalus gambelianus G. L. Webster 1967-3-23 7490 Napa 1 mi. S of Spanish Flat. 167 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
  UCD114242  Athysanus pusillus June McCaskill 1965-3-4 694 Napa ca. 1/2 mile east of mail boxes on road to M and M Ranch, in middle of Snell Valley. Comment
  JEPS106815  Atriplex joaquinana Jake Ruygt 1991-7-19 2763 Napa south of the end S. Jefferson Street, Napa 1 Comment
  UCD36838  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3229 Napa Napa County, Napa Valley, 1 mile south of Rutherford, State Highway 128. Comment
  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
  CAS-BOT-BC16532  Barbarea orthoceras G. DeNevers 1982-3-21 1941 B Napa Napa Range Mountains. On west slope of Mount George. Comment
  UCD48675  Barbarea verna C. Mathews; C. Little, K. Glover, T. Petrie 2001-4-14 8 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along Decker Bay Trail, 55 ft. NW of jct with West Rd. 152 Comment
  CAS-BOT-BC145815  Beckmannia syzigachne Rimo Bacigalupi 1947-4-13 2817 Napa Along Silverado Highway, east of Napa Valley, 6 miles southeast of Yountville. Comment
  JEPS75994  Beckmannia syzigachne W. L. Jepson 1936-6-2 17608 Napa hills to e Yountville (e side of road); Napa Valley Comment
  CDA6268  Bellardia trixago T. C. Fuller 1958-5-1 3729 Napa Northeast corner, Highways 29 & 21, 6 miles south of Napa. 0 Comment
  JEPS14992  Bellardia trixago B. Schreiber 1936-3-5 2213 Napa 1 mi sw Napa; Napa Quad. Comment
  UCD48229  Bellardia trixago K. Watts; K. Carpenter, S. Cruz, D. Goldberg, and M. Ochoa 2000-4-28 28 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of creek, east of Old Knoxville Rd. 426 Comment
  JEPS106879  Berberis aquifolium var. dictyota Jake Ruygt 1992-3-28 2869 Napa small tributary to Butts Creek, near Berryessa Estates 161 Comment
  CAS-BOT-BC75848  Berberis pinnata Peter H. Raven 1951-6-10 s.n. Napa Crater Region east of Pinnacels. 762 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
  CAS-BOT-BC15945  Boechera breweri subsp. breweri David D. Keck 1933-5-29 2360 Napa Pope Creek Bridge south of Walters Springs. Comment
  SEINET3166338  Boechera breweri subsp. breweri P. J. Alexander, C. D. Bailey 2009-3-31 971 -A, B, C Napa North Coast Ranges, Robert Louis Stevenson State Park, SE side of Mount Saint Helena along the road to the peak, 1.65 miles SE of the summit, 5.4 miles NNW of Calistoga. 1052 Comment
  POM230569  Boisduvalia stricta J. T. Howell 1937-7-4 13059 Napa Wooden Valley Grade Comment
  UCD140006  Bolboschoenus glaucus G. F. Hrusa; S. Larson 1995-4-10 12061 Napa Along Pope Valley Rd. approx. 1 mile east of intersection of Pope Valley-Chiles Valley Road and Pope Canyon Road. 180 Comment
  JEPS13536  Boschniakia strobilacea W. L. Jepson 1924-4-27 10387 Napa Mt. St. Helena perhaps near Toll House. 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
  UCD170425  Briza minor Daniel Potter; Daniel McNair 2016-4-23 904 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  UCD164492  Brodiaea elegans A. Amezcua 1995-5-26 23 Napa 300 m west of Berryessa- Knoxville Road approximately 3 km north of Spanish Flat Resort. 200 Comment
  JEPS129035  Brodiaea elegans subsp. elegans Jake Ruygt 2016-5-28 6268 Napa Oil Well Road 1/4 mile west of high point. Lake Berryessa 7.5' Quad. Comment
  UCD148735  Brodiaea elegans subsp. elegans Jake Ruygt 1980-6-4 911 Napa Napa County; 4.6 miles NE of Silverado Trail on Soda Canyon Rd. 335 Comment
  UCD160777  Brodiaea elegans subsp. elegans Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8657 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
  CAS-BOT-BC484195  Brodiaea elegans var. elegans Alice Eastwood 1915-6-5 4648 Napa Calistoga on hills Comment
  JEPS110910  Brodiaea leptandra Jake Ruygt 1987-6-6 2033 Napa Devil's Canyon 548 Comment
  UCD77197  Brodiaea leptandra Robert E. Preston 2004-6-26 2265 Napa Angwin, along Las Posadas Rd, ca. 1.1 mi from Howell Mountain Rd 512 Comment
  CAS-BOT-BC486434  Brodiaea terrestris subsp. terrestris Alice Eastwood; John Thomas Howell 1938-5-15 5517 Napa Myrtledale Hot Springs Comment
  SBBG117219  Bromus B. Crampton 1961-6-12 5902 Napa 7 mi NE of city of Napa, summit along State Hwy 37, Howell Mtn Comment
  UCD73503  Bromus arenarius Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD148836  Bromus carinatus Ellen Dean; Diana Hickson 2014-4-29 8141 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  UCD57882  Bromus carinatus Beecher Crampton 1954-5-6 1830 Napa 5 miles south of Monticello. Comment
  JEPS123010  Bromus carinatus var. carinatus Jake Ruygt 1986-5-24 1791 Napa Table Mountain. Quad: Detert Reservoir. Comment
  UCD60200  Bromus catharticus var. elatus Peter H. Raven 1951-5-20 2836 Napa Oakville. 48 Comment
  UC60218  Bromus diandrus Willis L. Jepson Napa Napa River Basin, Napa Valley Napa Valley; Napa River Basin, Napa Valley Comment
  UCD59484  Bromus diandrus A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3548 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  CAS-BOT-BC155072  Bromus hordeaceus Ira L. Wiggins 1928-3-25 2871 Napa Roadside 1.5 mile northeast of Calistoga. Comment
  HSC43959  Bromus hordeaceus Robert M. Specht 1977-4-19 690 Napa Above drainage running NE from Adams Creek. 518 Comment
  JEPS76085  Bromus hordeaceus W. L. Jepson 1938-5-22 18814 Napa Pope Valley, Limekiln Creek Canyon Limekiln Creek Canyon; Pope Valley, Limekiln Creek Canyon Comment
  JEPS76097  Bromus hordeaceus W. L. Jepson 1938-5-25 18870 Napa Napa Range, Howell Mountain, Bell Canyon Bell Canyon; Napa Range, Howell Mountain, Bell Canyon 579 Comment
  UCD58629  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3542 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  CDA10878  Bromus laevipes G. F. Hrusa, M. Rejmanek 1993-5-15 10973 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CDA10881  Bromus laevipes G. F. Hrusa, M. Rejmanek 1993-5-15 10976 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD32905  Bromus laevipes Beecher Crampton 1965-6-17 7408 Napa Solano-Napa Counties, Vaca mountains, summit of Mt. Vaca. 859 Comment
  UCD58948  Bromus laevipes J. Street 1950-1 s.n. Napa 4 mi. E of Rutherford. Comment
  JEPS123003  Bromus madritensis subsp. rubens Jake Ruygt 1977-4-9 182 Napa Mount George. Quad: Mount George. Comment
  CAS-BOT-BC161831  Bromus rubens Peter H. Raven 1953-4-2 5287 Napa Burn east of Tulucay Creek. 426 Comment
  SACT001003  Bromus rubens John Willoughby 1976-3-25 Napa West side of range, a few hundred feet below ridge, near latitude of Mount Vaca, above head of Seventy Acre Canyon, chaparral. Comment
  UCD59612  Bromus rubens Beecher Crampton 1965-6-30 7394 Napa Summit of Mt. Vaca, Vaca Mtns. 872 Comment
  CAS-BOT-BC161637  Bromus sterilis G. L. Stebbins, Jr. 1953-4-19 5300 Napa Suisun Valley to Wooden Valley. 121 Comment
  JEPS123002  Bromus sterilis Jake Ruygt 1994-4-26 3361 Napa Pope Valley (Juliana Vineyard); north of Barnett Road. Quad: Aetna Springs. Comment
  CAS-BOT-BC233997  Calandrinia breweri John Thomas Howell 1931-4-2 6060 Napa Wooden Valley Grade 5 miles east of Napa Comment
  UCD100264  Calandrinia ciliata R. L. Smith 1948-5-1 s.n. Napa Monticello. Comment
  JEPS120389  Callitriche heterophylla var. bolanderi Jake Ruygt 1983-4-7 1177 Napa east of Rocktram, west of Hwy 221, Suscol Plain Comment
  POM222010  Calochortus amabilis W. C. Merrill 1895-06 SN Napa Calistoga Comment
  RSA450207  Calochortus amabilis J. C. Roos 1939-3-27 305 Napa Snell Valley, Pacific Union College, Angwin Comment
  UCD118729  Calochortus amabilis Katherine Graham; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD139466  Calochortus amabilis L. P. Thibault 1995-5-21 50 Napa on south side of Highway 128 about 3 miles west of Wragg Canyon Road. 250 Comment
  UCD139484  Calochortus amabilis Bill Wengeler 1995-4-16 s.n. Napa approximately 5 miles north of Hwy 128 along Knoxville Road. 146 Comment
  CAS-BOT-BC488484  Calochortus amabilis David D. Keck 1933-5-28 2330 Napa Howell Mountian, north side, 1 mile above Pope Valley, P.O. Comment
  CAS-BOT-BC488490  Calochortus amabilis L. R. Abrams 1928-5-3 12208 Napa St. Helena Grade Comment
  CAS-BOT-BC488495  Calochortus amabilis John Thomas Howell 1931-4-2 6076 Napa Wooden Valley Grade 5 miles east of Napa. Comment
  RSA145271  Calochortus amabilis Simonds 1928-05 SN Napa Browns Valley. Comment
  SEINET12049813  Calochortus amabilis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -309 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  JEPS128392  Calochortus luteus Adam C. Schneider with Dick O'Donnell 2013-5-28 244 Napa Northern edge of Cedar Roughs Wilderness Area, south of Pope Canyon Rd, 2.5 miles west of junction with Berryessa Knoxville Road. Comment
  UCD160679  Calochortus luteus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8751 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
  UCR212359  Calochortus luteus Ayzik Solomeshch 2007-5-30 s.n. Napa Woolls Ranch, 1032 Veeder Road, northwest of the city of Napa 152 Comment
  CAS-BOT-BC492542  Calochortus luteus David D. Keck 1933-5-29 2364 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC492544  Calochortus luteus Betty H. Johnson 1958-6-8 610 Napa Near St Helena River, 6.4 mi. S.W. of Middleton Comment
  JEPS61687  Calochortus luteus W. L. Jepson 1943-5-15 20773 Napa 2 mi n Oak Grove School; Berryessa Valley Comment
  UC422984  Calochortus luteus H. P. Chandler 1907-5-30 7602 Napa White Sulphur Springs St. Helena Comment
  UCD39242  Calochortus luteus B. Crampton 1971-5-19 8713 Napa South of Wooden Valley. Napa and Solano County border. Comment
  UCD170377  Calochortus superbus Daniel Potter; N Khuu 2016-5-8 874 Napa Knoxville Wildlife Area, west of Berryessa-Knoxville Road along trail from Zim Zim Falls trailhead to lower Nevada Creek, just west of tributary to Nevada Creek. 281 Comment
  UCD139594  Calochortus umbellatus G. Ledyard Stebbins 1984-4-8 C 405 Napa Chiles Valley. Comment
Read comments
Apr 29 2019
  JEPS113986  Calochortus uniflorus Jake Ruygt 1981-5-6 1011 Napa Highway 28, 0.2 mile south of Lower Chiles Valley Road. Chiles Valley 7.5' Quad. Comment
  JEPS17769  Calochortus uniflorus W. L. Jepson 1924-4-6 10312 Napa Conn Valley 91 Comment
  JEPS17795  Calochortus uniflorus Willis L. Jepson 1893-5-2 Napa Calistoga Napa River Basin Comment
  JEPS122766  Calochortus venustus Jake Ruygt 1999-7-3 4197 Napa Newell Canyon. Quad: Cordelia. Comment
Read comments
Dec 13 2016
  JEPS129113  Calycadenia fremontii Jake Ruygt 2015-6-6 6119 Napa Missimer-Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  UC1876235  Calycadenia fremontii Gerald D. Carr 1971-8-6 620 Napa Lake Hennessey, Hwy 128, 1.7 mi SW of Chiles-Pope Valley Rd. Comment
  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
  UCD161587  Calycadenia micrantha Jake Ruygt 2008-5-10 5328 Napa Buzzard's Roost, east of Stags Leap, Napa Range. (Coordinates converted from UTM data by label maker.) 480 Comment
  UC194184  Calycadenia multiglandulosa H. M. Hall 1915-8-12 10092 Napa Howell Mountain, near summit, along n road to Woodworth's 518 Comment
  POM268784  Calycadenia multiglandulosa subsp. cephalotes H. P. Chandler 1907-7-19 7603 Napa Howell Mt. Comment
  SEINET7379697 Image available Calycadenia multiglandulosa subsp. cephalotes H. P. Chandler 1907-7-19 7603 Napa Howell Mountain 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
  CAS-BOT-BC270835  Calycadenia pauciflora John Thomas Howell 1930-10-19 5626 Napa 5 miles from Aetna Springs on Butts Canyon road to Middletown, near Napa - Lake County line Comment
  RSA255599  Calycadenia pauciflora Gerald D. Carr 1971-8-6 616 Napa Lower Chiles Valley Road, 1.3 miles north of Hwy. 128 Comment
  UCD160805  Calycadenia pauciflora Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8685 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 488 Comment
  JEPS38587  Calycadenia pauciflora Willis L. Jepson Jul 1 1892-Aug 1 1892 Napa near Knoxville; Clear Lake (Mountain Region) Comment
  RSA255581  Calycadenia pauciflora Gerald D. Carr 1971-9-20 668 Napa 1.8 miles SE of Lake Co. line on Morgan Valley Road, 125 yards north of [?]. Comment
  RSA255614  Calycadenia pauciflora Gerald D. Carr 1971-9-20 669 Napa 1.8 miles SE of Lake Co. line on Morgan Valley Road, 125 yards north of [?]. Comment
  UCD129809  Calycadenia pauciflora Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Road, 1.3 miles south of Snell Valley Road. Comment
  JEPS120378  Calycadenia truncata Jake Ruygt 2004-7-31 4634 Napa Buzzards Roost, east of Stags Leap Comment
  CAS-BOT-BC271566  Calycadenia truncata subsp. truncata John Thomas Howell 1930-7-13 5344 Napa Lower slopes of Mt. St. Helena Comment
  CAS-BOT-BC271600  Calycadenia truncata subsp. truncata Edward Lee Greene 1881-7-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC271569  Calycadenia truncata subsp. truncata H. M. Hall 1923-10-15 11952 Napa St. Helena, base of hills east of town Comment
  CAS-BOT-BC90958  Calycanthus occidentalis Severin A. Baumann 1953-7-5 20 Napa Edge of Highway 29 about 2 miles south of Calistoga. 45 Comment
  JEPS121524  Calycanthus occidentalis Adam C. Schneider with Dick O'Donnell 2013-5-26 210 Napa The downill (east ) side of the road cut of Butts Canyon Road, 2 miles south of Snell Valley Rd. Comment
  JEPS20255  Calycanthus occidentalis W. L. Jepson 1942-11-1 20747 Napa Yankee Creek Comment
  JEPS45706  Calycanthus occidentalis W. L. Jepson 1895-11-27 Napa St. Helena Comment
  RSA456154  Calycanthus occidentalis E. S. Spalding 1924-7-4 s.n. Napa White Sulphur Springs Canon, near St. Helena. Comment
  SD33879  Calycanthus occidentalis Marion Ownbey, Ruth P. Ownbey 1938-7-9 1700 Napa Along stream, 6.0 miles northeast of Napa. Comment
  UC521695  Calycanthus occidentalis Joseph Andorfer Ewan 1933-9-17 8010 Napa 2.5 mi out Calistoga (Mt. St. Helena summit road); Mt. St. Helena Comment
  UCD137917  Calycanthus occidentalis J. P. Smith; J. O. Sawyer 1970-5-17 3771 Napa 3 miles south of Pope Valley. Comment
  UCD151050  Calycanthus occidentalis R. H. Miller 1949-5-8 49 Napa along Highway 37, about 13 miles northeast of Napa. Comment
  UCD15499  Calycanthus occidentalis Ted Graber 1984-5-12 28 Napa 1 mile west from Conn Dam on highway 128. 60 Comment
  UCSB12599  Calycanthus occidentalis Haller, John 1961-6-18 Napa Bank of Napa River intersection of St. Helena-Angwin road with Silverado Trail Road, about 1.5 mi. N of St. Helena 76 Comment
  SEINET12093077  Calycanthus occidentalis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -332 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  SD13654  Calyptridium monospermum Susan G. Stokes Aug 1910 Napa Old Baldy Comment
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Feb 17 2010
  CAS-BOT-BC221552  Calystegia collina subsp. collina R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6682 Napa Butt's [Butts] Canyon, 10 mi. N. of Howell Mt. Comment
  CAS-BOT-BC221554  Calystegia collina subsp. collina R. K. Brummitt; A. Wolf; R. W. Howe 1998-5-15 19851 Napa 17.5 km NE of Calistoga, Butts Canyon 0.5 km from Snell Valley turn-off 350 Comment
  UCD117787  Calystegia collina subsp. collina Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  UC1965405  Calystegia occidentalis R. K. Brummitt, B. Ertter and J. A. Ruygt 2012-6-16 22058 Napa Napa City, Alston Park near Dry Creek Road Comment
  UCD126140  Calystegia occidentalis M. Ensign 1943-5-28 315 Napa About 12 miles from Monticello on road to Lower Lake. Comment
  UCD160744  Calystegia occidentalis subsp. fulcrata Ellen Dean 2015-5-23 8796 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 249 Comment
  RSA52706  Calystegia purpurata I. L. Wiggins 1949-4-30 12080 Napa Along old toll road between Calistoga and Middletown. Comment
  CAS-BOT-BC224626  Calystegia purpurata subsp. purpurata Saichi Kawahara 1968-4-20 333 Napa Oakville Grade, 4 miles west of Oakville 228 Comment
  JEPS126103  Calystegia purpurata subsp. purpurata Jake Ruygt 1978-5-14 313 Napa 0.6 miles N of Oakville Cross Road on Silverado Trail. Yountville 7.5' Qua. Comment
  UCD161219  Calystegia purpurata subsp. purpurata Ruygt 1998-5-16 3969 Napa Maggie's Peak, south of Bismark Knob. 603 Comment
  CAS-BOT-BC493391  Camassia quamash subsp. linearis Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  JEPS31722  Camissonia contorta Willis L. Jepson 1893-6-26 14478 Napa Howell Mt. Napa River Basin Comment
  JEPS33875  Campanula griffinii D. E. Breedlove 1963-5-29 5047 Napa 8 mi s Pope Valley Comment
  CAS-BOT-BC37119  Capsella bursa-pastoris R. E. Frenkel 1963-10-27 298 Napa In the vineyard north of Oakville Cross Road. Comment
  SEINET8727311 Image available Capsella bursa-pastoris Laura Zeller 1965-1 25 Napa ca. 2.5 miles NE of Pope Valley Road and Pope Canyon Road junction on Pope Valley Road. 213 Comment
  CAS-BOT-BC37586  Cardamine californica John Thomas Howell 1931-4-4 6162 Napa Near Toll House, Mount St. Helena Region. Comment
  UCD170198  Cardamine californica Daniel Potter 2015-3-14 759 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 248 Comment
  JEPS106838  Cardamine californica var. californica Jake Ruygt 1982-1-24 1092 Napa Monticello Rd. 1.0 mile east of Vichy Ave. 109 Comment
  SEINET3165956  Cardamine californica var. californica C. D. Bailey 2008-3-19 258 Napa East of the town of Napa along Combsville Rd. Right turn onto Green Valley Rd. and ca. 1 mile up Green Valley Rd. Small population on uphill side of the rd (NW). More populations growing along Wild Horse Valley Rd. a short distance away. 122 Comment
  RSA633345  Cardamine hirsuta Michael A. Vincent, Ethan H. Freid 1998-4-7 8168 Napa Along Rt. 128 at road marker 24/80 Comment
  CAS-BOT-BC37858  Cardamine oligosperma Peter H. Raven 1953-3-29 5216 Napa Hills east of Imola. 121 Comment
  CDA6878  Carduus pycnocephalus T. C. Fuller 1959-5-15 2432 Napa Fanner property, Sanitarium area. 0 Comment
  RSA135620  Carduus pycnocephalus John H. Thomas 1955-5-21 5123 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa 244 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
  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
  UCR43086  Carex 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
  CDA37916  Carex barbarae D. G. Kelch 2010-5-6 10 .165 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS63757  Carex barbarae W. L. Jepson 1918-6-25 7670 Napa Oakville, Napa Valley Comment
  CDA10951  Carex bolanderi G. F. Hrusa, G. L. Stebbins 1994-4-8 11709 Napa North Coast Biodiversity Arena; Las Posadas State Forest. On moist rocks in streambed of upper Moores Creek. Deep shade under redwoods. Comment
  CDA11437  Carex bolanderi G. F. Hrusa, M. Tu 1995-5-6 12160 Napa North Coast Biodiversity Arena; Shade of redwoods along Moores Creek in Las Posadas State Forest. Clumping in moist site at edge of Creek. Perennial. Comment
  UC1103107  Carex bolanderi J. P. Tracy 1902-5-21 1597 Napa Howell Mountain, head of Moore's Creek, 3-4 mi E of Angwin's 335 Comment
  UCD140158  Carex bolanderi G. F. Hrusa; M. Tu 1995-5-6 12160 Napa Moores Creek in Las Posadas State Forest. 500 Comment
  UC50831  Carex densa J. P. Tracy 1902-5-17 1523 Napa 3-4 miles E of Angwin's (Head of Moore's Creek); Howell Mountain 457 Comment
  CAS-BOT-BC35068  Carex densa Lewis S. Rose 1935-6-4 35205 Napa East slope Mount St. Helena. Comment
  SEINET11630873  Carex densa L. S. Rose 1935-1 35205 Napa E slope Mt. St. Helena Comment
  CAS-BOT-BC19982  Carex feta Joseph Prince Tracy 1938-6-6 15845 Napa Napa Valley. Between Napa City and Yountville. 30 Comment
  JEPS76001  Carex feta W. L. Jepson 1936-6-1 17590 Napa Napa Range, Howell Mountain, west side of Four Corners Four Corners; Napa Range, Howell Mountain, Four Corners Comment
  UC1158106  Carex feta Joseph P. Tracy 1950-5-23 18670 Napa La Jota Plateau Howell Mountain 518 Comment
  UC836001  Carex feta Wilhelm N. Suksdorf 1913-7-28 707 Napa n Napa Comment
  UCD161789  Carex lyngbyei Jake Ruygt 1999-7-3 4192 Napa end of Green Island Road at river. 2 Comment
  UC1103568  Carex multicaulis J. P. Tracy 1902-5-18 1545 1/2 Napa 3-4 mi e Angwin's (head Moore's Creek); Head Moore's Creek, Howell Mountain 487 Comment
  UC517564  Carex multicaulis John Thomas Howell 1926-3-28 1768 Napa near Patten's; St. Helena Creek Comment
  CAS-BOT-BC119512  Carex nudata Ella D. Cantelow 1939-4-8 2501 Napa 3.5 mi NW of Knoxville. 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
  CDA37938  Carex nudata D. G. Kelch 2010-5-6 10 .164 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD140693  Carex nudata G. F. Hrusa 1996-4-20 12823 Napa draining the Palisades from Cub Valley. MonteSol Ranch. 550 Comment
  CAS-BOT-BC119514  Carex nudata Lewis Samuel Rose 1961-3-30 61024 Napa Conn Reservoir. Lake Hennessy stream bank. 60 Comment
  JEPS121336  Carex nudata Jake Ruygt 1984-3-20 1506 Napa Bear Canyon Comment
  RSA0011231  Carex nudata Lyman Benson 1930-3-31 35 Napa Town: Middletown (Lake Co); Mt. Range: N Coast; Mt. St. Helena at Lake Co. line. 518 Comment
  RSA155418  Carex nudata L. S. Rose 1961-3-30 61024 Napa Lake Hennessy. 61 Comment
  SEINET7569404 Image available Carex nudata Alice Eastwood, John Thomas Howell 1937-4-4 3826 Napa North of Wooden Valley. Comment
  CAS-BOT-BC118466  Carex praegracilis Wm. Siler 1938-4-11 s.n Napa Calistoga Comment
  JEPS121326  Carex praegracilis Jake Ruygt 1992-7-4 3059 Napa Wild HOrse Valley RAnch, between Leoma and Mitten Lake. Comment
  UCD161695  Carex praegracilis Jake Ruygt 2010-4-19 5511 Napa 0.4 mile south of Bale Mill, east side of Highway 29. 85 Comment
  CAS-BOT-BC117621  Carex serratodens Beecher Crampton 1957-4-22 3942 Napa Along new section Hwy 128, above Capell Creek, N end of Capell Valley. Comment
  RSA115537  Carex serratodens Beecher Crampton 1957-4-22 3942 Napa Along new section Highway 128, above Capell Creek, north end of Capell Valley. Comment
  JEPS100376  Carex subfusca Dean W. Taylor 2001-5-15 17650 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  UC1023493  Carex subfusca Peter H. Raven 1951-6-10 2929 Napa e Palisades; Crater Region 762 Comment
  UCD161360  Carex tumulicola Jake Ruygt 1988-5-1 2172 Napa Swartz Creek near Cleary Reserve. (Coordinates estimated by label maker at UC Davis). 292 Comment
  UCD20759  Carex tumulicola M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 109 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
  CAS-BOT-BC115551  Carex tumulicola Peter H. Raven 1951-6-26 3093 Napa Cappell Valley to Wooden Valley. 274 Comment
  UCD35855  Carthamus lanatus Beecher Crampton 1965-5-13 7336 Napa ca. 3 miles southeast of Calistoga, Silverado Trail. Comment
  HSC20481  Castilleja affinis Greg Bos 1963-3-3 25 Napa W shore lake Berryesa, west slope 457 Comment
  JEPS8681  Castilleja affinis subsp. affinis W. L. Jepson 1897-4-30 21364 Napa sw of Calistoga (Rebecca Grade); Upper Napa Valley 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
  JEPS128907  Castilleja ambigua var. meadii Jake Ruygt 1986-5-18 1777 Napa 4.5 miles north of Westgate Drive on Atlas Peak Road. Capell Valley 7.5' Quad. Comment
  UC1012334  Castilleja applegatei subsp. martinii F. W. Pennell and H. L. Mason 1940-5-21 25479 Napa s of Calistoga (Route 29) 152 Comment
  SEINET13732897  Castilleja applegatei subsp. pinetorum R. R. Halse 2013-3-27 8753 Napa S end of Lake Berryessa, along State Hwy 128, ca 8.7 miles W of Winters, just W of Monticello Dam. 143 Comment
  JEPS86222  Castilleja attenuata L. R. Heckard 1970-5-4 2448 Napa ca 10 mi n Vallejo (on n side of Kelly Rd, 0.5 mi n of CA Hwy 12, near junction of Hwy 12 and Hwy 29) Comment
  JEPS9947  Castilleja attenuata W. L. Jepson 1937-5-15 18786 Napa 0.5 mi n Napa Wye Comment
  JEPS110669  Castilleja densiflora subsp. densiflora Jake Ruygt 1990-4-20 2485 Napa near end of Henry Rd. 97 Comment
  JEPS86223  Castilleja densiflora subsp. densiflora L. R. Heckard 1970-5-4 2449 Napa ca 10 mi n Vallejo (on n side of Kelly Rd, 0.5 mi n of CA Hwy 12, near junction of Hwy 12 and Hwy 29) Comment
  JEPS9409  Castilleja densiflora subsp. densiflora Willis L. Jepson 1893-4-27 21376 Napa Napa City Napa River Basin Comment
  SEINET903093  Castilleja exserta Richard R. Halse 1989-1 3834 Napa Along State highway 28, on the Calistoga Grade, 2.7 miles north of Calistoga. 240 Comment
  UC138773  Castilleja foliolosa C. F. Baker 1903-4-20 2630 Napa Mt. St. Helena Comment
  UCD48222  Castilleja foliolosa A. Hufton; S. Burgess, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 8 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
Read comments
Jan 14 2009
  RSA523429  Castilleja franciscana L. R. Heckard 1964-6-11 1367 Napa Along state highway 128 near Coon Park at western edge of Lake Hennessey. Comment
  UCR179385  Castilleja lacera Katherine Esau 1932-5-3 s.n. Napa Napa Comment
  CAS-BOT-BC241282  Castilleja latifolia Peter H. Raven 1952-5-26 4071 Napa Wooden Valley Grade, (e. side) 304 Comment
  CAS-BOT-BC241284  Castilleja latifolia Peter H. Raven 1954-2-22 6416 Napa Hills n. of White Sulphur Ck., W. of Saint Helena 152 Comment
  UC190969  Castilleja minor subsp. spiralis Katharine Brandegee 1910-8-26 Napa Aetna Springs 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
  CDA41394  Castilleja rubicundula A. C. Browne 1953-5-27 s.n. Napa Calistoga. 0 Comment
  SBBG7065  Castilleja rubicundula subsp. lithospermoides H. and M. Dearing 1939-5-3 3273 Napa Napa County [no specific locality] Comment
  JEPS110637  Castilleja rubicundula subsp. rubicundula Jake Ruygt 2007-5-29 2194 Napa Cedar Valley 597 Comment
  JEPS58640  Castilleja subinclusa subsp. franciscana Willis L. Jepson 1896-2-23 Napa near La Jota Falls (meadow); Napa River, Howell Mt. Comment
  UCD149597  Catalpa bignonioides 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
  UC1607873  Ceanothus cuneatus C. G. Nast 1936-3-27 57 Napa Berryessa Valley Comment
  UCD20650  Ceanothus cuneatus R. J. Blenkush; J. H. Richards 2000-1-29 44 Napa Berryessa-Knoxville Road. 1 mile north of Putah Creek Resort. 158 Comment
  UCD95690  Ceanothus cuneatus Ellen Dean; with Clare Loughran 2011-5-20 7036 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  UC483312  Ceanothus cuneatus var. cuneatus Ira L. Wiggins 1932-3-12 5766 Napa hillside between Franz Valley and Calistoga Comment
  CAS-BOT-BC49797  Ceanothus divergens John Thomas Howell 1941-4-5 16161 Napa Franz Valley Comment
  CAS-BOT-BC64431  Ceanothus divergens L. R. Abrams 1928-5-4 12270 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC64433  Ceanothus divergens H. E. McMinn 1941-10-12 5420 Napa Franz Valley, about 5 mi. w. of Callistoga. Comment
  CAS-BOT-BC64435  Ceanothus divergens Milo S. Baker s.n. Napa Franz Valley, about 5 mi. w. of Callistoga. Comment
  CAS-BOT-BC64439  Ceanothus divergens John Thomas Howell 1926-3-21 1705 Napa Trail to top of Mt. St. Helena. Comment
  CAS-BOT-BC64442  Ceanothus divergens Walter Knight; Irja Knight; Cliff Schmidt 1987-3-29 6105 Napa Kortum Canyon Road 1.0-1.5 mi. from Sharpe Rd. Comment
  JEPS42261 Image available Ceanothus divergens W. L. Jepson 1897-5-2 14037 Napa Rebecca Ranch Grade, Upper Napa Valley. Near Calistoga, i.e. westerly = Hoods Peak Range Comment
  RSA32477  Ceanothus divergens Milo S. Baker 1939-3-22 9243 Napa 1.1 mile west of Calistoga-Napa Hwy 1 at a point 1.1 mile south of Calistoga at upper end of small fruit ranch Comment
  UCD63040  Ceanothus divergens Ellen Dean; Stephen Rae 2008-5-21 4980 Napa Hills to the W of Hwy 29 south of the town of Calistoga. Private property accessed by Diamond Mountain Rd. Canyon running east to west and slopes above it. 244 Comment
  SEINET10778078  Ceanothus divergens subsp. divergens Dylan O. Burge 2009-1-15 Burge 1021 c Napa South of Kortum Canyon, near the border of Napa Country with Sonoma County, site accessed on foot from near the end of Pacheteau Road, 1.5 road miles (2.4 km) from SR 29 via Diamond Mountain Road and Pacheteau Road, 1.57 km 200 deg. (True) SSW of Calistoga. 240 Comment
  POM85918  Ceanothus foliosus Katherine Brandegee 1889-04 s.n. Napa Mt St. Helena Comment
  RSA169356  Ceanothus foliosus L. S. Rose 1964-4-2 46018 Napa 2 miles SW of Angwin. 244 Comment
  UC229973  Ceanothus foliosus Brandegee Apr 1889 Napa Mt. St. Helena Comment
  UC338441  Ceanothus foliosus Lemmon Napa Calistoga Comment
  CAS-BOT-BC50911  Ceanothus foliosus var. foliosus Alice Eastwood 1923-5-9 11746 Napa Calistoga Comment
  CAS-BOT-BC50913  Ceanothus foliosus var. foliosus Brandegee 1889-4-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC50915  Ceanothus foliosus var. foliosus C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC50919  Ceanothus foliosus var. foliosus John Thomas Howell; Alice Eastwood 1939-6-11 7430 Napa Hills west of Calistoga Comment
  UCD112135  Ceanothus foliosus var. foliosus M. Wiesendanger 1928-4-5 s.n. Napa Monticello Road. Comment
  UCD112146  Ceanothus foliosus var. foliosus J. M. Tucker 1951-3-28 2065 Napa Beside road up south side of Howell Mountain, 5.6 miles north of St. Helena. Comment
  UCD164751  Ceanothus foliosus var. foliosus Jake Ruygt 2014-6-7 5974 Napa Livermore Ranch, Montesol. 838 Comment
  UCD73422  Ceanothus foliosus var. foliosus Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC63749  Ceanothus incanus Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena. Comment
  UC424875  Ceanothus incanus Milo S. Baker 1929-3-27 3423 b Napa North slope Mt. St. Helena along hwy Comment
  CAS-BOT-BC50788  Ceanothus integerrimus L. R. Abrams 1928-5-4 12289 Napa 4 mi. south of Middletown Comment
  UCD169650  Ceanothus integerrimus Jake Ruygt 2015-6-20 6142 Napa Butts Canyon Road south of Snell Valley Road. 211 Comment
  UCD170259  Ceanothus integerrimus D. O. Burge 2016-10-22 2183 Napa Hunting Creek Camp, Hunting Creek watershed. 325 Comment
  CAS-BOT-BC50631  Ceanothus jepsonii H. E. McMinn 1922-8-2 298 Napa Upper Pope Valley along old RR bed Comment
  CAS-BOT-BC50635  Ceanothus jepsonii Ira L. Wiggins 1949-4-30 12095 Napa Hillside along road from Calistoga to Middletown near Lake County line. Comment
  CAS-BOT-BC50639  Ceanothus jepsonii C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  UC423435  Ceanothus jepsonii Katharine Brandegee 1916-7-27 Napa near Angwin Comment
  UCD112065  Ceanothus jepsonii D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. 380 Comment
  UCD112070  Ceanothus jepsonii J. Street 1950-4-25 s.n. Napa Pope Valley in Oak Woodland. Comment
  UCD144307  Ceanothus jepsonii G. F. Hrusa 1995-4-2 12049 Napa Along Hwy 128 approx. 2.5 m. SW of intersection of 128 and Chiles Valley Rd., 0.05 m. W. of Nichellini Winery. 250 Comment
  CAS-BOT-BC51127  Ceanothus jepsonii var. albiflorus M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 miles N.E. Cliff Spring Comment
  CAS-BOT-BC83783  Ceanothus jepsonii var. albiflorus D. O. Burge; C. Miller 2007-6-12 940 b Napa Mayacmas Mountains, at roadside on Livermore Road 535 Comment
  CAS-BOT-BC83785  Ceanothus jepsonii var. albiflorus D. O. Burge 2008-6-1 1007 b Napa S of Butts Canyon, approx. 200 m E of Butts Canyon Road 340 Comment
  JEPS79564  Ceanothus jepsonii var. albiflorus Edward Lee with A. Carter and E. Crum 1936-3-15 1819 Napa Butt's Canyon Comment
  SEINET5743563 Image available Ceanothus jepsonii var. albiflorus Ithnin Bujang 1974-1 9 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon Road and Chiles Valley Road intersection. N-facing slope of hill. 204 Comment
  SEINET4208225  Ceanothus oliganthus var. oliganthus Richard R. Halse 2013-3-27 8751 Napa Along State Hwy. 128 ca 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa.; 0 143 Comment
  HSC44021  Ceanothus oliganthus var. sorediatus Robert M. Specht 1977-4-18 681 Napa Along N side of Develhead Rd. 451 Comment
  CAS-BOT-BC53181  Ceanothus parryi Brandegee 1890-4-1 20 Napa Toll House, Mt. St. Helena Comment
  CAS-BOT-BC53216  Ceanothus parryi Brandegee 1890-4-1 20 Napa Toll House, Mt. St. Helena Comment
  UC18397  Ceanothus parryi Willis L. Jepson 1894-10-14 Napa sw Calistoga (Rebecca Ranch grade); Napa River Basin, sw of Calistoga Comment
  UC18404  Ceanothus parryi Edw. L. Greene 1892-4-23 Napa Calistoga Comment
  UC79858  Ceanothus parryi Katharine Brandegee June 1889 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UC79861  Ceanothus parryi C. C. Parry 1888-1 Napa Calistoga Comment
  UCD95896  Ceanothus parryi Ellen Dean; with Clare Loughran 2011-5-20 7042 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-BC52178  Ceanothus purpureus Willis L. Jepson 1894-2-23 s.n. Napa Near New Eden, Howell Mt. Grade, Napa River Basin Comment
  CAS-BOT-BC52188  Ceanothus purpureus H. E. McMinn 1925-1-23 1367 a Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC52196  Ceanothus purpureus John Thomas Howell 1937-7-4 13062 Napa Wooden Valley Grade Comment
  CAS-BOT-BC52200  Ceanothus purpureus Peter H. Raven 1953-4-2 5259 Napa e. of Imola 182 Comment
  RSA202156  Ceanothus purpureus W. L. Jepson 1924-4-27 10321 Napa Howell Mt., a little below Toland House on Sanitarium road. 549 Comment
  RSA293486  Ceanothus purpureus C. W. Tilforth, J. Dourley 1979-7-22 1853 Napa Along Wooden Valley Road, NE of Napa Comment
  RSA40278  Ceanothus purpureus L. S. Rose 1948-3-8 s.n. Napa Wooden Valley Grade, 6 miles NE of Napa. 183 Comment
  UC483677  Ceanothus purpureus Milo S. Baker 1931-4-1 5098 Napa In Canyon 5 miles NE of Napa on Monticello Road, north side Comment
  UC634560  Ceanothus purpureus Herbert L. Mason 1924-1-22 1200 Napa Wooden Valley Grade Comment
  UC728640  Ceanothus purpureus Milo S. Baker 1931-2-8 5031 Napa 5 mi from Napa on Monticello Road Comment
Read comments
Dec 31 2011
  UC870639  Ceanothus purpureus Lewis S. Rose Apr 1939 39069 Napa 4 mi NE of Napa 198 Comment
  UCD123868  Ceanothus purpureus D. O. Burge 2007-5-4 904 e Napa Wooden Grade, north-east of Mount George, roadside on Monticello Road (SR 121), 3.3 road miles (5.3 km) east of Atlas Peak Road or 2.3 road miles (3.7 km) west of Wooden Valley Road, at mile marker 13.88, 9.28 km 46 deg. (True) ENE of Napa. 360 Comment
  UCD82601  Ceanothus purpureus Ellen Dean; T. Starbuck 2009-5-4 5539 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCSB40793  Ceanothus purpureus Haller, John 1979-5-4 Napa Mead Ranch, near Atlas Peak Road, about 5 miles (by road) north of State Highway 121 and 9 miles north of Napa 487 Comment
  JEPS110661  Ceanothus sonomensis Jake Ruygt 1984-3-31 1523 Napa Devil's Canyon, Bismark Knob 624 Comment
  UC1736103  Ceanothus sonomensis Dean W. Taylor 1998-6-3 16455 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 624 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
  CAS-BOT-BC52896  Ceanothus velutinus Brandegee 1889-4-1 3 Napa Mt. St. Helena Comment
  UCR25296  Centaurea calcitrapa John C. Roos 1957-6-28 6616 Napa Napa Comment
  CDA36978  Centaurea iberica J. H. Shelgren 1976-6-3 34 Napa Putah Creek; near Lake/Napa County line. 0 Comment
  UC1438405  Centaurium trichanthum C. R. Broome 1971-8-25 890 Napa 9.7 mi n Pope Valley (and 9.75 mi s of Middletown, Butts Canyon Road, just w of highway) Comment
  CAS-BOT-BC288606  Centromadia fitchii James I. McMurphy 1909-8-7 698 Napa Between Mt St Helena Pass and Calistoga Comment
  JEPS38180  Centromadia fitchii Willis L. Jepson 1893-9-25 Napa Suscol Hills Comment
  SD9168  Centromadia parryi Katherine Curran 1883-1 Napa Calistoga Comment
  CAS-BOT-BC272831  Centromadia parryi subsp. parryi Alice Eastwood; John Thomas Howell 1938-5-15 5519 Napa Myrtledale Hot Springs Comment
  UC406892  Centromadia parryi subsp. parryi H. M. Hall 1923-10-15 11948 Napa Calistoga Comment
  UC894336  Centromadia parryi subsp. parryi Alice Eastwood 1918-9-3 7960 Napa Calistoga Comment
  CAS-BOT-BC279255  Centromadia pungens subsp. pungens David D. Keck 1933-11-10 2725 Napa 6 mi. S. of Napa Comment
  CAS-BOT-BC388203  Cerastium fontanum subsp. vulgare Peter H. Raven 1951-5-6 2830 Napa St. Helena 91 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
Read comments
Aug 24 2010
  SEINET7073047  Cerastium glomeratum A. G. Vestal 1963-4-7 s.n. Napa Low flat about 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD27. Comment
  CAS-BOT-BC179386  Cercis occidentalis H. E. McMinn 1922-6-8 206 Napa Along Pope Creek in the canyon (not in the upper flats) by Pope Valley. Comment
  CAS-BOT-BC135484  Cercocarpus betuloides var. betuloides Alice Eastwood 1918-5-1 6839 Napa Mt. St. Helena Comment
  JEPS45528  Cercocarpus betuloides var. betuloides Willis L. Jepson 1893-5-22 13868 Napa E of Calistoga (Pope Valley grade near the Palisades); Napa River Basin Comment
  CAS-BOT-BC284568  Chaenactis glabriuscula var. heterocarpha John Thomas Howell 1931-4-19 6459 Napa Conn Valley Comment
  JEPS106930  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 1996-4-12 3608 Napa Blue Ridge, north of Monticello Dam. Portugese Canyon. 487 Comment
  RSA769220  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road,, about 20 air miles northwest of Winters 130 Comment
  CAS-BOT-BC70162  Cheilanthes gracillima Belle Richardson Jackson 1924-10-22 s.n. Napa Top of Mt. St. Helena Comment
  JEPS59710  Chenopodium ambrosioides W. L. Jepson 1894-11-7 Napa St. Helena Comment
  JEPS59712  Chenopodium ambrosioides W. L. Jepson 1894-11-5 Napa Napa River Comment
  JEPS59713  Chenopodium ambrosioides W. L. Jepson 1892-10-22 Napa St. Helena Napa River Comment
  JEPS59730  Chenopodium californicum Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin 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
  JEPS106741  Chenopodium macrospermum var. halophilum Jake Ruygt 1993-10-24 3291 Napa near Fagan Slough. 0 Comment
  JEPS126071  Chimaphila menziesii Jake Ruygt 1987-7-11 2068 Napa Between Rattlesnake Springs and Livermore Road. Detert Reservoir 7.5' Quad. Comment
  UCD48267  Chlorogalum pomeridianum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 14 Napa Northen Napa County, McLaughlin Reserve, on east facing slope of first hill northwest of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 426 Comment
  UC13725  Chlorogalum pomeridianum var. pomeridianum Willis L. Jepson July 1884 Napa Little Oak Comment
  UCD117756  Chlorogalum pomeridianum var. pomeridianum Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  JEPS38183  Chorizanthe membranacea Lauramay T. Dempster 1965-5-15 4094 Napa s Knoxville (below Cedar Valley, along Zim-Zim Creek); along Zim-Zim Creek 426 Comment
  UCD21554  Chorizanthe polygonoides var. polygonoides A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 8 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. Along Devil Head Road, just upslope (south) of Knoxville-Berryessa road. West side of Devilhead Road. 487 Comment
  CAS-BOT-BC252838  Chorizanthe polygonoides var. polygonoides Peter H. Raven 1951-6-10 2908 Napa Crater Region E of Mt. St. Helena 792 Comment
  CAS-BOT-BC36500  Chrysolepis chrysophylla Belle Richardson Jackson 1924-10-22 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC36451  Chrysolepis chrysophylla var. minor H. E. Mc. Minn 1922-3-27 53 Napa Mt. St. Helena 1066 Comment
  JEPS106527  Cicendia quadrangularis Jake Ruygt 1982-5-4 1226 Napa Suscol plain between Steel Mill and HWY 29 (221) 3 Comment
  SBBG119104  Cichorium intybus J. P. Broughton 1977-7-12 71203 Napa School Rd and Mini Rd, Napa Comment
  UCD130481  Cichorium intybus Austin Griffiths Jr.; Patricia L. Griffiths 1963-9-5 4824 Napa Expty residental lot, Napa Valley. Comment
  CAS-BOT-BC278018  Cirsium cymosum Peter H. Raven 1952-6-28 4204 A Napa Conn Valley 121 Comment
  CDA1214  Cirsium douglasii var. douglasii T. C. Fuller 1961-6-15 6339 Napa 0.5 mi. n. of American Canyon Rd. about 2 mi e. of Napa Junction (Hwy 29). Comment
  UCD63171  Cirsium douglasii var. douglasii Jake Ruygt 1991-8-4 2817 Napa west of Hunting Creek Campground toward Paradise Valley. 289 Comment
  CAS-BOT-BC286573  Cirsium occidentale var. venustum Alice Eastwood; John Thomas Howell 1939-6-11 7427 Napa Hood Mt. Range sw. of Oakville Comment
  POM352174  Cirsium occidentale var. venustum T. Gertrude Williamson 1924-7-4 s.n. Napa Near St. Helena, Sulphur Springs Comment
  CAS-BOT-BC288695  Cirsium remotifolium John Thomas Howell 1941-6-21 16314 A Napa Hills SW of St Helena Comment
  CAS-BOT-BC288698  Cirsium remotifolium John Thomas Howell 1931-4-19 6437 Napa Spring Mt Rd, 3 miles from St Helena Comment
  CDA1556  Cirsium remotifolium var. odontolepis H. Stabo 1975-6-12 s.n. Napa St.Helena; 4001 Spring Mountain Rd.; (County line, Sec. 30 is in Sonoma Co.). 0 Comment
  UC930763  Clarkia amoena Alice Eastwood, John Thomas Howell 1939-6-11 7421 Napa sw Oakville; Hood Mt. Range Comment
  CDA11190  Clarkia concinna G. F. Hrusa 1988-4-16 5535 Napa North Coast Biodiversity Arena; 3/4 mile along Knoxville -Berryessa Rd. from junction of Hwy 128. Comment
  UCD104414  Clarkia concinna J. Buck 1996-6-2 21 Napa 5 miles SE of Calistoga along Highway 128. 97 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
  LA93786  Clarkia concinna Barrie Stanfield; 1966-5-22 51 Napa Napa Range, 5 mi S of Wooden Valley Comment
  JEPS43544  Clarkia gracilis subsp. albicaulis Willis L. Jepson 1897-7-12 14360 Napa Pope Valley to Middleton; Butts Canyon Comment
  POM38631  Clarkia gracilis subsp. sonomensis Katherine Brandegee 1910-5-22 120 Napa Mountain slopes from Calistoga, to the Toll House Comment
  JEPS85844  Clarkia gracilis subsp. tracyi Barbara Ertter with Annetta Carter 1989-5-28 8517 Napa near Knoxville (2 mi se of Lake County line on Berryessa Road, extreme n Napa County) 609 Comment
  HSC82082  Clarkia purpurea subsp. quadrivulnera Thomas W. Nelson, Jane P. Nelson 1980-5-3 5135 Napa Along St. Helena-Pope Valley Rd., 1 mi. W of Angwin Comment
  UCD104922  Clarkia purpurea subsp. quadrivulnera Heidi E. M. Dobson 1978-6-14 339 Napa East slope of Mt. Veeder. Comment
  CAS-BOT-BC163827  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1933-6-4 11387 Napa Hills east of Napa Comment
  UC1196985  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1904-5-23 2083 Napa near Calistoga (Pratt's Hill); Northern Coast Ranges, Napa Valley 91 Comment
  JEPS110694  Clarkia rhomboidea Jake Ruygt 1989-5-20 2344 Napa ridge about 1 mile north of Mt. Vaca 804 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
  UCD15612  Clarkia unguiculata Lisa Montany 1985-6-1 30 Napa Highway 128, 3 miles west of Monticello Dam. 213 Comment
  RSA464603  Claytonia exigua subsp. exigua H. de Forest 1930-3-23 s.n. Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  CAS-BOT-BC439373  Claytonia gypsophiloides Rimo Bacigalupi 1926-3-28 1269 Napa Patton's Toll House along old road, Mt. St. Helena Comment
  UC634938  Claytonia gypsophiloides A. E. Borell 1928-4-13 151 Napa 10 mi nw Calistoga 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
  JEPS112600  Claytonia parviflora subsp. parviflora Jake Ruygt 1986-3-16 1650 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 451 Comment
  JEPS112613  Claytonia parviflora subsp. parviflora Jake Ruygt 1997-3-18 3805 Napa Greenfield Road 213 Comment
  UCD117465  Claytonia parviflora subsp. parviflora Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside near drainage pipe. 519 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
  UCD20831  Claytonia perfoliata N. Nicola 2001-3-30 047 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  UCD15057  Claytonia perfoliata Lorraine Clarke 1977-4-16 16 Napa California, Napa Co.; along Highway 128, 6.4 miles by road SSW of Monticello Dam; 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
  CAS-BOT-BC92681  Clematis ligusticifolia H. E. McMinn 1922-8-2 361 Napa Putah Canyon. Comment
  CAS-BOT-BC92683  Clematis ligusticifolia Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville. Comment
  CHSC22322  Collinsia grandiflora Robert A. Schlising; Greg Bos 1963-3-30 2473 Napa Coast Ranges. Pope Valley Road, 5.8 miles north of junction with Lower Chiles Valley Road. Comment
  JEPS112523  Collinsia greenei Jake Ruygt 1983-6-12 1493 Napa Mt. St. Helena, Red Hill 624 Comment
  UC766312  Collinsia greenei R. F. Hoover 1941-4-26 4918 Napa between Samuel Springs and Walter Springs (Pope Cr) Comment
  JEPS5104  Collinsia greenei Milo S. Baker 1936-4 8581 Napa a few mi e Pope Val. (along Cape Val. Hwy from Monticello) Comment
  CDA10866  Collinsia heterophylla G. F. Hrusa, M. Rejmanek 1993-5-15 10961 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC1196838  Collinsia heterophylla J. P. Tracy Aug 6 1898-Jan 14 1899 271 Napa 3-4 mi e of Angwins (Howell Mountain, Head of Moore's Creek); Howell Mountain, Head of Moore's Creek Comment
  UC1196847  Collinsia heterophylla Joseph P. Tracy 1902-5-21 12484 Napa 3-4 mi e of Angwins (Howell Mountain, on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 396 Comment
  HSC38124  Collinsia heterophylla Thomas W. Nelson, Jane P. Nelson, James Nelson, J. P. Smith 1976-4-12 2351 Napa Along Morgan Valley Rd., 4.5 mi N of Lake Berryessa Comment
  CDA11323  Collinsia sparsiflora G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12029 Napa At entrance gate UC Quail Ridge Reserve. Comment
  RSA734135  Collinsia sparsiflora Keith E. Hoffmaster 1946-3-23 1244 Napa Napa range, along Napa-Monticello road. Comment
  JEPS112522  Collinsia sparsiflora var. arvensis Jake Ruygt 1996-3-23 3530 Napa .3 mile from Pope Canyon Road on Hardin Road, near airstrip. 184 Comment
  RSA264960  Collinsia sparsiflora var. arvensis George E. Johnston 1974-4-4 6118 Napa The collection was made near Bell Canyon. Near Angwin. 427 Comment
  UC1301186  Collinsia sparsiflora var. collina Helen K. Sharsmith 1963-3-17 5224 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  JEPS85014  Collinsia sparsiflora var. sparsiflora Larry Heckard, Mary Ashton 1969-5-3 2200 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd); Mead Ranch 457 Comment
  UC1196825  Collinsia sparsiflora var. sparsiflora Joseph P. Tracy 1933-4-30 12099 Napa 3-4 mi e Angwin (head of Moore's Creek, on hills); North Coast Ranges, Howell Mtn, Moore's Creek 396 Comment
  UC147868  Collinsia sparsiflora var. sparsiflora J. P. Tracy 1902-5-17 1517 Napa 3-4 mi e Angwin (head of Moore's Creek); Howell Mtn, Moore's Creek 365 Comment
  UC885508  Collinsia sparsiflora var. sparsiflora Alice Eastwood 1922-5-5 11290 Napa Mount St. Helena Comment
  JEPS6334  Collinsia sparsiflora var. sparsiflora Willis L. Jepson 1893-4-24 21459 Napa hills e St. Helena (near the Conn Valley Rd fork); Napa River Basin Comment
  UC903160  Collinsia sparsiflora var. sparsiflora Ethel Crum 1937-4-19 1782 Napa 15 mi ne of Napa (Napa Range, Steel Canyon); Napa Range, Steel Canyon Comment
  UCD123669  Collinsia sparsiflora var. sparsiflora M. N. Artist 1965-3-15 17 Napa dirt road just north side of State Highway 128, just east of Markley Cove at Lake Berryessa. Comment
  JEPS7295  Collinsia tinctoria W. L. Jepson 1904-6-4 2451 a Napa Keller Ranch, Calistoga Keller Ranch Comment
  JEPS110954  Collomia heterophylla Jake Ruygt 1997-3-23 3813 Napa Small peak (Kujo) south of Bismark Knob 612 Comment
  RSA10667  Collomia heterophylla C. B. Wolf 1928-5-3 1822 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD167221  Collomia heterophylla Jake Ruygt 1998-5-16 3966 c Napa Maggie's Peak area. 579 Comment
  CDA34651  Conyza sumatrensis L. Ahart 2009-10-12 16419 Napa At the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  JEPS6810  Cordylanthus pilosus subsp. pilosus Willis L. Jepson 1894-10-14 21346 Napa Rebecca Ranch grade Calistoga Comment
  JEPS20326  Cordylanthus pilosus subsp. pilosus Lewis S. Rose 1954-9-13 54115 Napa 1 mi w Calistoga 121 Comment
  JEPS41126  Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-5 9138 Napa western end Calistoga (on Calistoga grade of Calif. Hwy 29; 6.6 mi from junction of Calif. Hwy 29 and 128) Comment
  JEPS6801  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1944-7-30 27539 Napa Four Corners Napa Range, Howell Mountain 426 Comment
  JEPS55936  Cordylanthus pringlei T. I. Chuang and F. M. Chuang 1968-7-24 6483 Napa 10.9 mi n of Calistoga (on Lake and Napa County Line); Lake and Napa County Line Comment
  OBI9573  Cordylanthus pringlei Robert F. Hoover 1966-8-23 9922 Napa E side of Mt. St. Helena, about 1/2 mi S of lake co. line Comment
  UC146880  Cordylanthus tenuis subsp. brunneus Katharine Brandegee 1910-1 Napa near Angwin Comment
  CAS-BOT-BC209801  Cornus glabrata Peter H. Raven 1951-6-26 3089 Napa Along Cappell Ck., Cappell Valley to Wooden Valley 274 Comment
  JEPS106396  Cornus glabrata Jake Ruygt 1990-5-19 2552 Napa Napa River about 1/4 mile north of Trancas Street, Napa 4 Comment
  UCD117119  Cornus glabrata Glen Holstein 1978-5-6 s.n. Napa Along Eticuera Creek, near Berryessa-Knoxville Road ca. 6 miles north of north shore of Lake Berryessa. 243 Comment
  OBI15276  Cornus nuttallii H. E. McMinn 1936-4-4 4382 Napa Howell mt, near Bird reguge Comment
  UC1543150  Cornus nuttallii Charlotte G. Nast 1936-4-17 87 Napa Mt. St. Helena Comment
  SEINET2065359 Image available Corylus cornuta Royal D. Suttkus 1967-6-26 67 -3035 Napa Clearly Reserves, 7.2 miles NE of Pope Valley. Comment
  CAS-BOT-BC180346  Corylus cornuta subsp. californica Peter H. Raven 1952-5-26 4047 Napa Howelll Mt. 426 Comment
  POM339717  Corylus cornuta var. californica F. R. Fosberg 1967-9-10 48646 Napa Near Haven Place above St. Helena, Napa Valley. Comment
  UCD130915  Cotula coronopifolia J. M. Tucker 1959-4-18 3506 Napa beside (south side of) Silverado Trail, ca. 3 miles east of Calistoga. Comment
  CAS-BOT-BC427748  Crassula connata Peter H. Raven 1953-4-2 5242 Napa Hills e. of Imola 121 Comment
  UCD167446  Crocanthemum James A. Neilson Jr. 1979-5-25 3975 Napa 1 1/2 mile northwest of Knoxville. Manhattan Mine area. (Manhattan Mine is now known as Homestake McLaughlin Mine. Unnumbered specimen; notes on specimen were matched with notes in notebook based on the date and occurrence of 'calcedny' (calcedony is believed to be a phonetic spelling of the mineral chalcedony). Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS31093  Crocanthemum scoparium var. vulgare W. L. Jepson 1938-5-20 18804 Napa slope above St. Helena Sanitarium (open slope above vineyard); Howell Mountain Comment
  RSA758274  Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7963 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  SEINET1910014  Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-1 7963 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge 91 Comment
  UCD59925  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa 4 miles east of Rutherford, Conn Reservoir. Comment
  UCD145278  Crypsis schoenoides Barry Hammel 1976-5-30 454 Napa Lake Berryessa. Comment
  SD180605  Cryptantha clevelandii var. dissita Beecher Crampton 1954-5-20 1929 Napa 8.0 miles southwest of Monticello, along highway 128. Comment
  UC1221769  Cryptantha hispidula Beecher Crampton 1958-4-29 4754 Napa above Capell Creek (n end of Capell Valley); Capell Valley Comment
  UCD149661  Cryptantha hispidula 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
  UC726222  Cryptantha hispidula A. A. Heller 1941-5-16 16126 Napa w of Knoxville (near the summit of the first ridge) Comment
  JEPS106705  Cryptantha muricata Jake Ruygt 1998-5-16 3968 Napa Maggie's Peak, south of Bismark Knob. 603 Comment
  UCD47944  Cryptantha muricata M. Carson; A. Haselby, S. Howard, P. Meyers 2000-4-29 4 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  SEINET10569440  Cupressus Fisher 1881-1 Fisher s.n. Napa Calistoga Comment
  CAS-BOT-BC80722  Cupressus macnabiana John Thomas Howell 1931-4-3 6143 Napa Near Aetna Springs, Pope Valley, Napa Range Comment
  JEPS104754  Cupressus macnabiana John L. Morrison 1969-8-16 4027 Napa near Knoxville Comment
  UCD47751  Cupressus macnabiana J Waggoner; E. Anderson, L. Lina, A. Miles, and R. Wenk. 2000-4-22 14 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  NY16702  Cupressus macnabiana P. H. Raven 1951-10-28 3958 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC85480  Cupressus sargentii John Thomas Howell 1926-3-21 1714 Napa St. Helena Creek below Patten's near Napa-Lake county boundary 609 Comment
  CAS-BOT-BC85484  Cupressus sargentii Philip C. Knapp 1928-5-1 s.n. Napa northeast side of Mt. St. Helena Comment
  UC578055  Cupressus sargentii A. E. Wieslander 1934-2-25 371 Napa Calisoga-Middletown 3 mi e St. Helena; Calistoga Quadrangle Comment
  UC972130  Cupressus sargentii Helen K. Sharsmith 1952-5-18 4083 Napa near Napa-Lake County boundary; Inner North Coast Ranges, Butts Canyon 213 Comment
  NY16808  Cupressus sargentii R. F. Hoover 1941-4-26 4930 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD170456  Cuscuta howelliana Daniel Potter; Ninh Khuu 2016-6-8 885 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  JEPS116544  Cuscuta pentagona Jake Ruygt 2008-8-16 5366 Napa Big Ranch Road, south of El Centro Ave. Van Winden property, pond. Napa 7.5' Quad. Comment
  UC450144  Cuscuta salina var. major Milo S. Baker Aug 1900 Napa Napa River, near R.R. crossing Napa River Comment
  JEPS47132  Cuscuta subinclusa W. L. Jepson 1930-10-19 15702 Napa Butts Canyon, ne Napa County Butts Canyon Comment
  JEPS47133  Cuscuta subinclusa W. L. Jepson 1930-10-19 15696 Napa Butts Canyon, ne Napa County Butts Canyon Comment
  CAS-BOT-BC190215  Cynodon dactylon Peter H. Raven 1951-6-24 3003 Napa Napa. 30 Comment
  HSC3636  Cynoglossum grande Greg Bos 1963-3-3 23 Napa W shore of Lake Berryesa, S slope of Hill. 183 Comment
  RSA13328  Cynoglossum grande C. B. Wolf 1928-2-25 1479 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UCD95902  Cynoglossum grande Ellen Dean; with Clare Loughran 2011-5-20 7045 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-BC190369  Cynosurus cristatus John Thomas Howell 1943-6-20 18239 Napa Hills southwest of St. Helena. Comment
  JEPS121340  Cyperus aristatus Jake Ruygt 1991-6-29 2746 Napa Doe Lake, Friesen's lakes, Angwin. Comment
  CAS-BOT-BC114678  Cyperus eragrostis Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga. Comment
  SD211488  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa Lake Hennessey circa 15 airmiles North-Northwest of Napa, on Conn Creek in North Coast Ranges; East of boat-launching ramp on Southeast edge 91 Comment
  UCD161533  Cyperus niger Jake Ruygt 1991-7-26 2800 Napa road from Johnson's Meadow to Wooden Valley Wild Horse Valley Ranch. 207 Comment
  UCD148559  Cypselea humifusa Jake Ruygt 1987-10-12 2101 Napa Napa County; Sage Canyon Rd., Lake Hennessey, at boat dock. 91 Comment
  CAS-BOT-BC70647  Cystopteris fragilis Carl B. Wolf 1928-5-3 1842 Napa base of Mt. St. Helena Comment
  JEPS103990  Cystopteris fragilis Jake Ruygt 1993-3-6 3167 Napa Skyline Park, Skyline trail. 85 Comment
  CAS-BOT-BC190452  Dactylis glomerata Peter H. Raven 1952-5-29 4096 Napa 1 mile north Napa. 45 Comment
  JEPS122994  Danthonia californica Jake Ruygt 1992-5-15 2957 Napa NW of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mount George. Comment
  UCD60493  Danthonia californica R. Tofsrud 1947-6-19 s.n. Napa 1 mi. S. of Calistoga on Hwy. 29. Comment
  UCD60992  Danthonia californica Beecher Crampton 1956-5-25 3488 Napa Along the headwaters of Sarco Creek, Howell Mtns. Comment
  UCSB4261  Datisca glomerata Kamb, Peter 1950-6-9 Napa 5 miles south of Monticello, on California #37 Comment
  JEPS110902  Datura ferox Jake Ruygt 2001-10-22 4346 Napa Solano Avenue at Oak Knoll Avenue 33 Comment
  JEPS110923  Datura wrightii Jake Ruygt 1979-7-22 768 Napa 1.9 miles south of Imola Ave. on HWY 29 (221) 7 Comment
  UCD161638  Daucus pusillus Jake Ruygt 2005-5-9 4823 Napa Knoxville Wildlife Area, west side of Berryessa-Knoxville Road. (Coordinates converted from UTM data by label maker.) 429 Comment
  UCD161569  Deinandra corymbosa Jake Ruygt 1992-5-18 2969 Napa Alston Park, Dry Creek Road, Napa. 85 Comment
  UC9220  Delphinium Willis L. Jepson 1893-5-2 Napa Pope Valley grade Napa River Basin Comment
  JEPS6234  Delphinium hesperium Willis L. Jepson 1893-6-26 21393 Napa grade to Howell Mt. Napa River Basin Comment
  UC1196312  Delphinium hesperium subsp. pallescens Joseph P. Tracy 1899-6-19 352 Napa on hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UCD48154  Delphinium hesperium subsp. pallescens R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 19 Napa Northern Napa Countym McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  RSA787108  Delphinium nudicaule Keith E. Hoffmaster 1946-3-23 1222 -b Napa Napa range, along Napa-Monticello road. Comment
  UC608257  Delphinium nudicaule B. O. Schreiber 1938-4-24 2495 Napa 5.2 mi nne Napa; Napa Quadrangle, Wooden Valley Grade 274 Comment
  UCD96061  Delphinium nudicaule G. L. Webster 1967-3-23 7487 Napa Along Chiles Creek c. 1 mi. SW Chiles Grist Mill, Pope Valley Rd. 137 Comment
  UCD96053  Delphinium nudicaule R. L. Smith 1948-5-7 s.n. Napa Samuel Springs, west of Monticello. Comment
  UC635346  Delphinium patens H. L. Mason 1928-4-13 4330 Napa hills between Santa Rosa and Calistoga Comment
  UCD96553  Delphinium patens M. R. Wanzer 1948-4-3 7 Napa West side of small hill, Putah Canyon, 13 miles west of Winters. Comment
  CAS-BOT-BC116487  Delphinium patens subsp. patens P. Raven 1950-4-15 1749 Napa Wooden Valley Grade, above Napa 457 Comment
  JEPS110982  Delphinium patens subsp. patens Jake Ruygt 1976-4-23 15 Napa 1.9 miles NE of Silverado Trail on Deer Park Rd. 188 Comment
  JEPS110983  Delphinium patens subsp. patens Jake Ruygt 1999-5-8 4147 Napa Mead Ranch, near north gate. 426 Comment
  UCD164768  Delphinium patens subsp. patens Jake Ruygt 2014-5-22 5925 -b Napa Sutro Ranch, Atlas Peak. 748 Comment
  JEPS110976  Delphinium uliginosum Jake Ruygt 1991-5-25 2692 Napa Paradise Valley 280 Comment
  LA207609  Delphinium uliginosum J. Ewan; 1937-5-23 10360 Napa Lower Lake to Monticello road, 1.9 mi. S of Lake Co. line Comment
  RSA183435  Delphinium uliginosum Alva Day 1965-5-15 65 -126 Napa Cedar Valley, west of Lake Berryessa. Comment
  RSA400120  Delphinium uliginosum Robert Gustafson, Don Reynolds 1983-6-7 2735 Napa Butts Canyon Road, about 2 miles north of the jct. with Aetna Springs Road. Comment
  UC1328141  Delphinium uliginosum Donald V. Hemphill 1941-5-15 167 Napa 2 mi se Angwin (seepage slopes); Blakes Canyon 426 Comment
  UCD141587  Delphinium uliginosum Ellen Dean 2013-4-27 7708 Napa Las Posadas State Experimental Forest. Recreation Flat. 396 Comment
  UCD54385  Delphinium uliginosum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. 390 Comment
  SEINET3824804 Image available Delphinium uliginosum Unknown 1982-6-1 s.n. Napa 9.9 miles south of Middletown Lake or Napa county Comment
  JEPS60635  Delphinium variegatum Elizabeth Ferguson 1920-5-15 346 Napa Pope Creek and Howell Mountain Comment
  LA207640  Delphinium variegatum H. Lewis; G. Mehlquist 1941-5-9 sn Napa 16.2 mi. N of Monticello Comment
  CDA24247  Delphinium variegatum subsp. variegatum T. C. Fuller 1958-5-1 3722 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  RSA0102440  Delphinium variegatum subsp. variegatum Mildred E. Mathias 1938-4-24 1334 Napa E side of Mt St. Helena. 457 Comment
  UC112888  Dendromecon rigida Katharine Brandegee 1889-4 Napa a few hundred feet above Toll House; Mt. St. Helena Comment
  UC142990  Dendromecon rigida Mrs. K. Brandegee May, 1910 94 Napa on slopes back of Toll House; North Coast Ranges, Mt. St. Helena Comment
  UCD118741  Dendromecon rigida Katherine Graham; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  CAS-BOT-BC627  Dendromecon rigida subsp. rigida Carl B. Wolf 1928-5-4 1850 Napa Mt. St. Helena Comment
  SEINET200650 Image available Deschampsia cespitosa J. P. Tracy 1902-5-18 1543 Napa Howell Mountain head of Moore's Creek 3-4 miles east of Angwin's 518 Comment
  SEINET200211 Image available Deschampsia danthonioides P. H. Raven 1957-5-5 10746 Napa About alkaline springs near airport Calistoga 91 Comment
  UC1023588  Deschampsia danthonioides Virginia Bufford 1937-5-9 449 Napa Calistoga Geysers Comment
  UC187274  Deschampsia danthonioides Joseph P. Tracy 1903-5-15 1854 Napa near Calistoga Northern Coast Ranges, Napa Valley 91 Comment
  UC53586  Deschampsia danthonioides Willis L. Jepson 1893-1 Napa Napa Valley, Napa R. Basin Comment
  UC65168  Deschampsia danthonioides W. L. Jepson 1896-6-2 Napa near St. Helena St. Helena; Napa Valley Comment
  UCD148245  Deschampsia danthonioides Robert E. Preston 2013-4-6 2906 Napa Calistoga, on N side of old landing strip, at east end. 104 Comment
  UCD164854  Deschampsia danthonioides Jake Ruygt 2012-4-21 5827 Napa Crystal Flats, west of Putah Creek. 259 Comment
  UC143048  Dichelostemma capitatum C. F. Baker 1903-4-20 2612 Napa Mt. St. Helena Comment
  UCD20681  Dichelostemma capitatum L. P. Thibault 1995-6-2 57 Napa South side of Hwy 128 approx. 0.5 mi. west of junction with Hwy 121. 275 Comment
  CAS-BOT-BC499418  Dichelostemma capitatum Willis L. Jepson 1897-1-1 s.n. Napa St. Helena, Napa River Basin Comment
  JEPS64147  Dichelostemma capitatum W. L. Jepson 1938-5-18 18799 Napa slope above St. Helena Sanitarium; Howell Mountain Comment
  CHSC75032  Dichelostemma capitatum subsp. capitatum Glen Dreyer 1977-4-16 35 Napa Ca. 4 miles west of Monticelo Dam, about 20 ft. off of Highway 128. Comment
  HSC45346  Dichelostemma capitatum subsp. capitatum R. York 1978-4-8 111 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UCD139189  Dichelostemma capitatum subsp. capitatum J. D. Clark 1995-5-27 18 Napa Napa County. Collected on trail between 1/4-3/4 mile from trailhead at Highway 129. Trailhead begins on the E side of Highway 129 across from the Robert Lewis Stevenson State Park parking lot. 548 Comment
  UCD139209  Dichelostemma capitatum subsp. capitatum Bill Wengeler 1995-4-16 s.n. Napa 0.2 mile west of Monticello Dam along Hwy 128. 158 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
  UCD48780  Dichelostemma capitatum subsp. capitatum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  UCR137661  Dichelostemma capitatum subsp. capitatum M. Sidells 1996-4-20 12 Napa Next to path on N facing hill at SW side of Lake Bereyessa, 150 m NE of Knoxville Road 250 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
  SEINET3885705  Dichelostemma pulchellum Linda Dodge 1974-4-13 10 Napa Wallace Hardin Ranch, 3.9 miles northeast of junction of Pope Canyon Road and Chiles Valley Road.; 0 183 Comment
  UCD48786  Dichelostemma volubile A. Collier; D. Caterson and S. Kenady 2002-5-4 9 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off N side of road 15 m. 350 Comment
  CAS-BOT-BC153778  Diplacus angustatus Barbara Ertter; Jeffrey Strachan 1980-5-9 3329 Napa Las Posadas State Experimental Forest on Howell Mountain 1-2 mi east of Angwin 548 Comment
  CAS-BOT-BC151879  Diplacus congdonii David D. Keck 1931-4-2 1016 Napa Wooden Valley Grade west side of Napa Range, 5 miles NE of Napa 170 Comment
  CAS-BOT-BC151960  Diplacus douglasii Maxine Wilkes 1940-5-1 s.n. Napa Headwaters of St. Helena Creek Comment
  CAS-BOT-BC153281  Diplacus kelloggii David D. Keck 1931-4-4 1089 Napa The Crater Country, 3.5 miles SE. from summit of Mt. St. Helena, northern Napa County Comment
  CAS-BOT-BC153411  Diplacus layneae Alice Eastwood 1915-6-6 4674 Napa Mt. St. Helena Comment
  JEPS8808  Dipsacus fullonum W. L. Jepson 1936-5-30 17562 Napa Napa Valley, Rutherford Rutherford; Napa Valley, Rutherford Comment
  JEPS122987  Distichlis spicata Jake Ruygt 1991-6-28 2733 Napa DFG property; Huichica Creek, Buchli Station. Quad: Cuttings Wharf. Comment
  UC917150  Dodecatheon hendersonii D. C. Finfrock 1950-4-2 16 Napa on Pope Valley Road two mi from St. Helena; 2 mi from St. Helena 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
  POM78451  Dodecatheon hendersonii C. F. Baker 1903-4-20 2616 Napa Mt. St. Helena. Comment
  UCD15067  Dodecatheon hendersonii Marcia R. Davis 1977-4-16 16 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam, on the left side of the road while travelling southwest; 213 Comment
  JEPS106569  Downingia pusilla Jake Ruygt 1990-4-9 2469 Napa Milliken Reservoir, Napa City Watershed 356 Comment
  JEPS106570  Downingia pusilla Jake Ruygt 1986-4-14 1701 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road 448 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
  POM263488  Draba verna J. C. Roos 1939-2-21 299 Napa Near Angwin, Napa Range. Comment
  CAS-BOT-BC41387  Draba verna Peter H. Raven 1953-3-29 5208 Napa 2 miles south of Calistoga. 121 Comment
  CAS-BOT-BC527333  Drymocallis glandulosa var. reflexa H. M. Hall 1931-5-26 13089 Napa Napa Range, west side Comment
  JEPS40976  Dudleya cymosa L. R. Heckard with R. Bacigalupi 1965-5-15 1458 a Napa ca 2.5 air mi s Knoxville (along Zim Zim Creek) 396 Comment
  SEINET3928609  Echinochloa crus-galli Virginia E. Long 1931-8-22 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helena).; 0 111 Comment
  JEPS122654  Eclipta prostrata Jake Ruygt 1998-8-29 4113 Napa Berryessa at Eticuera Creek parking pullout. Quad: Water Spring. Comment
  JEPS7759  Eclipta prostrata Peter H. Raven 1951-10-28 Napa Conn Lake 152 Comment
  JEPS129120  Eleocharis coloradoensis Jake Ruygt 2010-8-24 5755 Napa Barton Hill, northwest shore of Lake Berryessa. Walter Springs 7.5' Quad. Comment
  JEPS121355  Eleocharis obtusa var. engelmannii Jake Ruygt 1992-7-4 3063 Napa Wild Horse Valley Ranch, near Mitten Lake. Comment
  UCD161512  Eleocharis parishii Jake Ruygt 1989-5-9 2311 -a Napa American Canyon, Avilla Ranch. 85 Comment
  CAS-BOT-BC112661  Eleocharis parvula Peter H. Raven 1953-10-4 6367 Napa Tidal wash, Duttons Landing. 0 Comment
  CAS-BOT-BC112167  Eleocharis radicans Peter H. Raven 1952-8-25 5127 Napa Nr. Lokoya. 609 Comment
  UCD61793  Elymus glaucus Beecher Crampton 1965-6-30 7419 Napa Ridge north of Mt. Vaca. 762 Comment
  UCD62481  Elymus multisetus Beecher Crampton 1954-5-20 1923 Napa South shore of Conn Reservoir, Hwy. 128, 4 miles east of Rutherford. Comment
  UC1198502  Epilobium campestre Joseph P. Tracy 1938-6-6 15841 Napa between Napa City and Yountville; Napa valley 30 Comment
  UCD160706  Epilobium campestre Ellen Dean; Jake Ruygt 2015-5-23 8765 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  UCD164739  Epilobium campestre Jake Ruygt 2014-7-7 6022 Napa Pope Canyon Road at large vernal marsh. 187 Comment
  UCD167249  Epilobium campestre Jake Ruygt 2001-7-8 4320 Napa Lake Hennessey at the boat ramp. 92 Comment
  JEPS44051  Epilobium canum subsp. canum W. L. Jepson 1894-10-14 14429 Napa rocky summits back of Rebecca Ranch (in range sw of Calistoga) Comment
  UC20656  Epilobium canum subsp. canum Capt. F. L. Clark Oct. 1895 Napa Yountville Comment
  UCD20762  Epilobium ciliatum M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 112 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
  UC19960  Epilobium densiflorum Willis L. Jepson 1892-7 Napa Knoxville Comment
  UCD167133  Epilobium densiflorum Jake Ruygt 2015-5-23 6115 Napa Missimer - Snell Valley Preserve. 172 Comment
  UC19944  Epilobium densiflorum F. T. Bioletti 1892-8-15 Napa Napa Junction Comment
  UC144088  Epilobium minutum J. P. Tracy 1902-5-16 1499 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 457 Comment
  SBBG50823  Epilobium minutum G. L. Young 1974-4-13 11 Napa SW 1/4 T9N, R5W, S15 Comment
  UCD167254  Epilobium minutum Jake Ruygt 1992-4-10 2904 Napa Johnson's Meadow, Wild Horse Valley Ranch. 426 Comment
  UCD138944  Epipactis gigantea Barbara Rice 1965-5-15 71 Napa Zim-Zim Creek, 3 miles southeast of Devilshead Road. 365 Comment
  JEPS120428  Equisetum hyemale Jake Ruygt 2007-4-21 5155 Napa Jameson Canyon at west end of narrow passage of highway. Comment
  JEPS103963  Equisetum laevigatum Jake Ruygt 1979-4-17 519 Napa .2 mile west of Napa River on Oak Knoll Avenue 10 Comment
  UCD167068  Equisetum laevigatum Jake Ruygt 2004-7-24 4631 Napa Eticuera Creek about 1 mile south of Long Canyon Creek. Comment
  JEPS52486  Eremocarpus setiger W. L. Jepson 1923-10-22 9839 Napa St. Helena Comment
  UCD63173  Erigeron biolettii Jake Ruygt 1978-9-9 412 Napa 1.4 miles northeast of College Ave. on Howell Mt. Rd. 573 Comment
  CHSC102267  Erigeron canadensis Lowell Ahart 2009-10-27 16477 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS106946  Erigeron foliosus var. franciscensis Jake Ruygt 1995-7-6 3512 Napa Niebaum Lane, Niebaum-Coppola Estate. 131 Comment
  POM52140  Erigeron inornatus var. biolettii H. M. Hall 1909-6-25 8518 Napa Guernewood Park Comment
Read comments
Jul 24 2013
  CDA10860  Eriodictyon californicum G. F. Hrusa, M. Rejmanek 1993-5-15 10955 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. 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
  UCD73429  Eriodictyon californicum Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC242606  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, near Chiles School, Napa Mountains Comment
  CAS-BOT-BC242610  Eriogonum dasyanthemum H. M. Hall 1923-10-12 11923 Napa 16 mi. west of Monticello, on road to Lowerlake Comment
  JEPS110771  Eriogonum dasyanthemum Jake Ruygt 1969-12-31 2605 Napa north end of Wooden Valley 231 Comment
  RSA207  Eriogonum dasyanthemum J. T. Howell 1927-8-23 681 Napa Chiles Valley, Napa Range. 213 Comment
  CAS-BOT-BC242609  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 92 Napa Upper part of Sage Valley, Napa Mts. Comment
  UC406871  Eriogonum dasyanthemum H. M. Hall 1923-10-12 11923 Napa 16 mi w, on road to Lowerlake Monticello Comment
  CAS-BOT-BC266055  Eriogonum luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa Range Comment
  JEPS129041  Eriogonum luteolum var. luteolum Jake Ruygt 2016-6-5 6275 Napa Amy's Grove, near 5700 Dry Creek Road. Rutherford 7.5' Quad. Comment
  JEPS96714  Eriogonum luteolum var. luteolum Dean W. Taylor 1998-5-20 16449 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  UC535082  Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 80 Napa Sage Canyon Napa Mountains, Sage Canyon 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
  UCD149072  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
  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
  CAS-BOT-BC268978  Eriogonum nudum var. auriculatum Susan G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mountains Comment
  UC77448  Eriogonum nudum var. auriculatum T. S. Brandegee Aug. 1888 Napa Howell Mountain Comment
  UC6393  Eriogonum nudum var. nudum Willis L. Jepson 1893-10-13 Napa Upper Conn Valley Napa River Basin, Upper Conn Valley Comment
  CAS-BOT-BC269715  Eriogonum nudum var. oblongifolium John Thomas Howell 1929-8-4 4357 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  SBBG64259  Eriogonum roseum J. T. Howell 1930-10-19 5604 Napa Conn Crk near entrance of Sage Cyn, Napa Valley Comment
  JEPS110856  Eriogonum umbellatum var. bahiiforme Jake Ruygt 1980-6-21 935 Napa Bear Valley 621 Comment
  JEPS106951  Eriophyllum confertiflorum Jake Ruygt 1991-6-1 2711 Napa Mt. St. John, fire trail 502 Comment
  SBBG118106  Eriophyllum lanatum C. Bornstein, E. Collins 2004-6-19 Napa Pope Valley Rd, ca. 1.6 mi N of jct with Lower Chiles Valley Rd 259 Comment
  CAS-BOT-BC301055  Eriophyllum lanatum var. achilleoides H. M. Hall 1931-5-27 13097 Napa Near Knoxville Comment
  CAS-BOT-BC301058  Eriophyllum lanatum var. achilleoides John Thomas Howell 1929-5-30 4272 Napa On Pope Valley Creek near Samuels Springs, Napa Range Comment
  RSA15681  Eriophyllum lanatum var. achilleoides C. B. Wolf 1928-2-25 1487 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UC177004  Eriophyllum lanatum var. achilleoides Katharine Brandegee 1909-6-1 Napa Calistoga 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
  CAS-BOT-BC301050  Eriophyllum lanatum var. achilleoides H. E. McMinn No date on label 956 Napa Unspecified Comment
  JEPS34727  Eriophyllum lanatum var. achilleoides W. L. Jepson 1936-6-2 17600 Napa Sanitarium, e of St. Helena Comment
  UCD83407  Erodium botrys Jake Ruygt 1996-3-30 3538 Napa Jameson Vineyards, South Kelly Rd. 54 Comment
  JEPS61368  Erodium brachycarpum W. L. Jepson 1924-4-6 10325 Napa Napa Valley, Conn Creek Conn Creek; Napa Valley, Conn Creek Comment
  UCD16045  Erodium cicutarium R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 28 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. East of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown clay, moist soil, near river, flat ground, sunny. Herb, 8-13 cm tall, flowers lavender. Comment
  UCD170277  Eryngium Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 811 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 637 Comment
  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
  UC2026902  Eryngium aristulatum var. aristulatum David Keil 1986-11-8 19795 Napa Along Lake Berryessa Knoxville Rd. near Knoxville 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill Comment
  JEPS129130  Eryngium castrense Jake Ruygt 2015-5-23 6108 a Napa West of Buck Mountain. Knoxville 7.5' Quad. Comment
  UCD147457  Eryngium castrense Ellen Dean; Diana Hickson 2014-4-29 8070 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  CAS-BOT-BC474511  Eryngium vaseyi var. castrense Ellen Dean; D. Potter; D. Hickson; R. Ruygt; C. Donkers 2015-5-2 8630 Napa Knoxville Wildlife Area. Calif. Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. Large vernal pool on border of CDFW and BLM properties 594 Comment
  CAS-BOT-BC40899  Erysimum capitatum G. B. Rossbach; R. P. Rossbach 1938-6-1 852 Napa Above Wooden Valley on side toward Napa, about 7 miles northeast of Napa. 487 Comment
  UCD74391  Erysimum capitatum var. capitatum Jake Ruygt 1986-3-29 1676 Napa Hunting Creek west of Knoxville. 326 Comment
  POM182752  Erysimum capitatum var. capitatum D. D. Keck 1931-4-2 1031 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  SEINET14045969  Erythranthe microphylla L. Constance 1938-1 2040 Napa above Wooden Valley 8 mi. ne. of Napa; e. slope of Howell Mountains, North Coast Ranges. 457 Comment
  SEINET8340803  Erythranthe microphylla Peta C. Lewis 1967-5-25 21 Napa at the base of Monticello Dam on State Highway 128. Comment
  CAS-BOT-BC124173  Erythronium helenae Elmer Ivan Applegate 1932-4-4 7037 Napa Volcanic crater region of Mt. St. Helena, northern Napa County; slope just E of the Palasades on old stage road Comment
  CAS-BOT-BC133287  Erythronium helenae Mrs. Clara Hunt 1924-3-10 s.n. Napa unspecified Comment
  JEPS120345  Erythronium helenae Jake Ruygt 2003-3-22 4480 Napa Snell Valley/Missimer Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  JEPS61839  Erythronium helenae W. L. Jepson 1924-4-27 10376 Napa Mt. St. Helena Comment
  NY319670  Erythronium helenae E. I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mount St. Helena. Steep northerly slope just east of the Palisades on old stage road. Comment
  UC13786  Erythronium helenae Miss Armstrong Mar. 1900 Napa Oa<t?> Hill Comment
Read comments
May 1 2014
  CAS-BOT-BC402793  Eschscholzia caespitosa Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  CAS-BOT-BC402797  Eschscholzia caespitosa John Thomas Howell 1931-4-3 6127 Napa Pope Creek Canyon, Napa Range 8 miles from Monticello Comment
  JEPS120329  Eschscholzia caespitosa Jake Ruygt 1978-5-7 295 Napa 1.4 miles east of Spanish Flat turnoff on Highway 128. Lake Berryessa 7.5' Quad. Comment
  UC614560  Eschscholzia caespitosa L. Constance 1938-3-27 2043 Napa near Capell Valley (8 mi s of Monticello); North Coast Ranges, Napa Range, Steel Canyon 304 Comment
  UC1005659  Eschscholzia caespitosa Frank W. Gould 1939-4-6 606 Napa 1 mi n Knoxville (on road to Lower Lake) 457 Comment
  UCD95243  Eschscholzia caespitosa Curtis Clark 1975-4-15 471 Napa Wragg Canyon, Vaca Mountains. Comment
  RSA51295  Eschscholzia caespitosa subsp. caespitosa Peter H. Raven 1950-4-15 1737 Napa Wooden Valley grade above Napa. 457 Comment
  RSA52711  Eschscholzia caespitosa subsp. caespitosa I. L. Wiggins 1949-4-30 12078 Napa 2.5 miles above Calistoga along old toll road to Middletown Comment
  RSA15683  Eschscholzia californica var. crocea Carl B. Wolf 1928-2-25 1485 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  POM149284  Eschscholzia californica var. crocea C. F. Baker 1903-5-8 2969 Napa Knoxville. Comment
  JEPS51864  Euphorbia crenulata W. L. Jepson 1924-4-27 10369 Napa Mt. St. Helena; Toll House 457 Comment
  JEPS51926  Euphorbia crenulata W. L. Jepson 1938-5-22 18833 Napa Butts Canyon; South Fork Comment
  UCD19938  Euphorbia serpillifolia E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 796 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Berryessa. 121 Comment
  JEPS104529  Eurybia radulina Jake Ruygt 1987-7-16 2072 Napa 2.3 miles northwest of Mt. Veeder Rd. on Redwood Rd. 243 Comment
  JEPS104531  Eurybia radulina Jake Ruygt 1996-7-13 3766 Napa White Cliff Springs, Soda Valley (Soda Spring). 341 Comment
  UCD19924  Eurybia radulina E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 779 Napa Quail Ridge Reserve. Decker Canyon, junction of West Rd. and Decker Bay trail. 146 Comment
  CAS-BOT-BC459213  Euthamia occidentalis Peter H. Raven 1952-9-14 5179 Napa 2.5 mi. E of Yountville 121 Comment
  OBI74551  Euthamia occidentalis David J. Keil 1986-11-8 19797 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 3.0 mi S of turnoff to Homestead McLaughlin Mine/Mill 350 Comment
  SEINET3930505  Euthamia occidentalis David Keil 1986-11-8 19797 Napa Along Lake Berryessa Knoxville Road near Knoxville. 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  UC2026903  Euthamia occidentalis David Keil 1986-11-8 19797 Napa Along Lake Berryessa Knoxville Rd. near Knoxville 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill Comment
  JEPS84610  Festuca arundinacea John W. Willoughby 1979-5-25 4305 Napa about 1 mi s Signal Hill (just below and to the w of Blue Ridge); Vaca Mountains, Pansy Flat 609 Comment
  CHSC114890  Festuca californica D. G. Kelch 2010-4-28 10180 Napa N Rockville along Suisun Valley Rd. Nr Napa County Line. 159 Comment
  JEPS122942  Festuca californica Jake Ruygt 1983-5-8 1458 Napa Skyline Park. Quad: Mt. George. Comment
  JEPS75636  Festuca californica W. L. Jepson 1936-5-28 17543 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UCD36169  Festuca californica Beecher Crampton 1952-3-24 1030 Napa 7.5 miles east of Rutherford, along Highway 128. Comment
  RSA10675  Festuca elmeri C. B. Wolf 1928-5-3 1813 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD36561  Festuca elmeri Beecher Crampton 1954-5-6 1828 Napa 9 miles west of city of Winters, along Highway 128 to Monticello, Putah Canyon. Comment
  JEPS122943  Festuca idahoensis Jake Ruygt 1982-5-12 1244 Napa American Canyon Road, 0.7 mile east of Flosden Road. Quad: Cordelia. Comment
  UC187112  Festuca occidentalis J. P. Tracy 1902-5-18 1544 1/2 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 487 Comment
  SEINET200830 Image available Festuca rubra J. P. Tracy 1902-5-19 1549 Napa Head of Moore's Creek 3-4 mi E of Angwin's Howell Mtn 518 Comment
  RSA132845  Filago gallica John H. Thomas 1958-4-19 7108 Napa About 2 miles SW of Oakville. 152 Comment
  SDSU10373  Frangula californica subsp. tomentella Harvey 1939-7-1 2422 Napa Near Knoxville. Comment
  CAS-BOT-BC223848  Frankenia palmeri Peter H. Raven 1951-9-9 3906 Napa Slaughterhouse Pt., Napa River 0 Comment
  SEINET6694613 Image available Fraxinus dipetala Evert I. Schlinger 1952-1 69 Napa Samuel Springs, 7 miles northwest of Monticello 91 Comment
  CAS-BOT-BC223531  Fraxinus latifolia John Thomas Howell 1926-3-21 1713 Napa St. Helena Creek near Pattens 609 Comment
  JEPS122724  Fraxinus latifolia Jake Ruygt 1979-3-13 451 Napa Northeast corner of Trefethen Vineyard along Creek. Quad: Napa Comment
  UC1094037  Fraxinus latifolia Lewis S. Rose 1955-9-26 55190 Napa 4 mi ne Rutherford (below Conn Lake) 60 Comment
  UCD40902  Fremontia californica S. Boshoren 1983-5-29 25 Napa 5 miles from Knoxville, NW on Berryessa-Knoxville Road. Comment
  CAS-BOT-BC205889  Fremontodendron californicum Peter H. Raven 1951-6-10 2936 Napa Crater Region e. of Palisades 762 Comment
  CAS-BOT-BC205891  Fremontodendron californicum J. Clausen 1935-5-22 1061 Napa 15.9 mi. S. E. of Lower Lake on the Monticello road beyond the Napa Co. line Comment
  POM136142  Fremontodendron californicum C. F. Baker 1903-5-8 2972 Napa Knoxville. 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
  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
  CHSC25115  Fritillaria affinis J. E. Beitler 1970-3-29 5 Napa Path leading from Spring Mountain Road ca. 1.2 mi from Upper St. Helena Reservoir. Comment
  UC545849  Fritillaria affinis E. Crum 1936-3-15 1740 Napa Butts Canyon, Pope Valley-Middletown Road Butts Canyon; , Pope Valley-Middletown Road Comment
  RSA654126  Fritillaria affinis Beecher Crampton 1953-2-26 988 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  UC650291  Fritillaria affinis Robert W. Storer 1941-3-22 14 Napa 1/2 mi. s. Las Posadas Camp (Howell Mt.); Howell Mt. Comment
  CAS-BOT-BC130486  Fritillaria purdyi Mrs. M. Ackley 1965-4-1 s.n. Napa Hills w. of Aetna Springs Comment
  CAS-BOT-BC130489  Fritillaria purdyi David D. Keck 1931-4-4 1091 Napa The Crater Country, 3.5 miles SE. from summit of Mt. St. Helena, northern Napa County Comment
  JEPS129090  Fritillaria purdyi Jake Ruygt 2016-3-15 6163 Napa Missimer-Fernandes E of Butts Canyon. Aetna Springs 7.5' Quad. Comment
  POM182670  Fritillaria purdyi D. D. Keck 1931-4-4 1091 Napa The Crater Country, 3.5 miles SE from summit of Mount St. Helena Comment
  UCD139675  Fritillaria recurva Beecher Crampton 1961-4-6 5855 Napa north end of Capell Valley, above Capell Creek, along State Hwy 128. Comment
  UCSC010491  Fritillaria recurva Dylan M. Neubauer, Tim Forsell 2016-4-1 610 Napa (NCoRI) just e Butts Canyon Road, .91 air-mile s junction with Snell Valley Road 327 Comment
  CAS-BOT-BC508185  Fritillaria recurva Mrs. Clara Hunt 1921-4-1 s.n. Napa St Helena Comment
  CAS-BOT-BC508188  Fritillaria recurva Ira L. Wiggins 1949-4-30 12091 Napa eastern slope of Mount St. Helena near Lake County Line Comment
  UCR24144  Fritillaria recurva var. coccinea John C. Roos 1939-3-3 301 Napa North Coast Range, Snell Valley, Angwin, Pacific Union College 549 Comment
  SEINET12329996  Galium andrewsii F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -315 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  UCD15985  Galium andrewsii subsp. andrewsii C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 2 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 9.2'' N; 122 deg. 21' 11.5'' W; 480 m. Comment
  UCD112244  Galium aparine Christopher Mallek 2008-5-12 AS2- 21 Napa Aetna Springs. 668 Comment
  UCD49241  Galium aparine Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 3 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just N of jct with Cut-Off Rd., near dilapidated buildings. 152 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
  RSA10657  Galium aparine Carl B. Wolf 1928-5-3 1832 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  JEPS52680  Galium bolanderi Lauramay T. Dempster and G. L. Stebbins 1963-5-26 3780 C Napa at junction road to Angwin and road to Sanitarium; n of St. Helena Comment
  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
  RSA26400  Galium bolanderi J. T. Howell 1941-6-21 16312 Napa Hills SW of St. Helena. Comment
  UC1196107  Galium californicum subsp. californicum Joseph P. Tracy 1899-6-26 426 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  RSA78600  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa W of Napa Valley betw St. Helena and Mt. St. John. Napa Valley. 229 Comment
  UCD121757  Galium divaricatum John Thomas Howell 1943-6-19 18237 Napa West of Napa Valley between St. Helena and Mt. St. John. 228 Comment
  CDA10895  Galium murale G. F. Hrusa, M. Rejmanek 1993-5-15 10990 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD13188  Galium nuttallii Gary Fugle 1976-4-11 7 Napa 4 mi N of junction of hwy 121 and 128, along 128. Elev. 550 ft. 167 Comment
  UCSB9143  Galium nuttallii subsp. nuttallii Keator, Glenn 1959-3-28 Napa above Conn's Picnic Grounds, Lake Hennesey Area Comment
  POM196070  Galium nuttallii var. tenue L. F. Robbins 1926-3-26 s.n. Napa Putah Canyon. Comment
  UCD159922  Galium porrigens Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q43 - 2. 243 Comment
  UCD168559  Galium porrigens Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCR212331  Galium porrigens 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
  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
  UCD95696  Galium porrigens var. porrigens Ellen Dean; with Clare Loughran 2011-5-20 7034 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  UCD121909  Galium porrigens var. tenue Barbara Ertter; Annetta Carter 1989-5-28 8499 Napa Berryessa-Knoxville Road N of Lake Berryessa, 9.0 mi S of Knoxville tunnel. 243 Comment
  UC1196096  Galium tricornutum Joseph P. Tracy 1899-6-13 424 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD121930  Galium tricornutum M. Wiesendanger 1927-5-4 665 Napa Near Monticello. Comment
  CHSC108726  Garrya congdonii B. Castro; L. P. Janeway 2002-5-12 1363 Napa Inner North Coast Ranges. SW-facing slope overlooking Pocock Creek along sides of the dirt road from Devilhead Road. 502 Comment
  HSC8385  Garrya elliptica J. T. Howell 1939-5-7 14652 Napa Lower Lake-Knoxville rd. at Lake Co. line Comment
  POM195578  Garrya flavescens subsp. pallida H. P. Bracelin 1930-3-23 s.n. Napa Flanks of Mt. St. Helena, 1.5 miles southeast of Mt. St. Helena. Comment
  CAS-BOT-BC144378  Garrya fremontii Alice Eastwood 1922-3-26 11110 Napa Mt. St. Helena Comment
  CAS-BOT-BC144386  Garrya fremontii H. L. Mason 1925-1-22 1201 Napa Wooden Valley Grade Comment
  JEPS66735  Garrya fremontii Willis L. Jepson 1893-5-2 14158 Napa e of Calistoga (near Palisades, Pope Valley grade near summit); Napa River Basin Comment
  UC876025  Garrya fremontii Mrs. C. E. Miller Aug 1918 Napa Howell Mt. Comment
  UCD66712  Gastridium phleoides K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  JEPS71221  Gastridium ventricosum W. L. Jepson 1936-7-3 17633 Napa Four Corners Howell Mt.; Napa Range, Howell Mt. Comment
  JEPS64794  Genista monspessulana W. L. Jepson 1923-6-3 9972 Napa a little S of Calistoga (east-side road) Comment
  UCD73510  Genista monspessulana Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  RSA0028367  Geranium carolinianum Gilbert Muth 1967-4-30 662 Napa Near entrance to Snell Valley. 183 Comment
  UCD23411  Geranium molle Robert Giorgis 1977-4-16 5 Napa Small herbaceous plant having flowers with lavender petals and a green stem with reddish tint. Collected about 300 m south of Highway 128, 6.4 miles southwest of Monticello Dam. Bottom of canyon near foot of NE facing slope in riparian - oak woodland ecocline. Comment
  UCD49067  Geranium molle Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 2 B Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, E side of South Decker Canyon Rd., N of jct with Cut-Off Rd., along open grassy slope. 152 Comment
  UC1535362  Geranium purpureum Glen Holstein 1977-5-11 Napa 0.7 mi n State Highway 121 intersection with Wooden Valley Road (along State Highway 121) Comment
  UCD103474  Geranium purpureum Glen Holstein 1977-5-11 s.n. Napa Along State Highway 121, 0.7 mile north of intersection with Wooden Valley Road. Comment
  RSA83101  Gilia capitata Verne Grant, Alva Grant 1946-7-7 7702 Napa wooded canyon on east slope of Mayacama Mountains, ca. 8 miles from Vichy Springs on Montichello road. Comment
  UCR202432  Gilia capitata subsp. capitata Peter L. Morrell 1993-6-6 269 Napa Coast Range, Along Hwy 29, north side of road, 1 mile south of Robert Louis Stevenson State Park, c. 3 miles north of Calistoga 146 Comment
  UC914315  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-4 7967 Napa one-quarter mi s Knoxville Mine; s of Knoxville Mine Comment
  SEINET7075538  Gilia tricolor subsp. diffusa A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  UCD38570  Githopsis specularioides Beecher Crampton 1956-5-25 3450 Napa Vaca Mtns., Markley Canyon. Comment
  UCSB9986  Githopsis specularioides Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek about 3 miles east of Chiles Valley 304 Comment
  CDA34661  Glinus lotoides L. Ahart 2009-10-12 16444 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  RSA769184  Glinus lotoides L. Ahart 2009-10-12 16444 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  CAS-BOT-BC303339  Gnaphalium palustre Peter H. Raven 1951-10-28 3942 Napa Conn Lake 152 Comment
  UC1196813  Gratiola ebracteata J. P. Tracy 1902-5-18 1532 Napa head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's, La Jota Plateau, Howell Mountain); , , La Jota Plateau 518 Comment
  CAS-BOT-BC304883  Grindelia hirsutula Marcus E. Jones 1924-4-24 s.n. Napa Napa Comment
  CAS-BOT-BC304887  Grindelia hirsutula J. T. Howell 1932-10-8 s.n. Napa Napa river marshes Comment
  CAS-BOT-BC304900  Grindelia hirsutula J. T. Howell 1932-10-8 10804 Napa Napa River Comment
  CAS-BOT-BC304905  Grindelia hirsutula Peter H. Raven 1952-6-28 4211 Napa Chiles Valley 243 Comment
  CAS-BOT-BC304908  Grindelia hirsutula John Thomas Howell 1930-7-13 5346 Napa Mt. St. Helena Comment
  JEPS106920  Grindelia hirsutula Jake Ruygt 1979-6-26 719 Napa Edgerley Island, end of Milton Rd. 0 Comment
  POM203264  Grindelia hirsutula J. T. Howell 1933-6-4 11394 Napa East side of Napa Valley, near Stag's Leaf. Comment
  UC1714868  Grindelia hirsutula Max P. Dunford 1959-10-3 556 Napa 3/4 mi N of Samuel Springs (along trout creek, 100 yds S of mouth) Comment
  UC32146  Grindelia hirsutula Willis L. Jepson 1894-4-30 Napa Rebecca Ranch <gra??> Napa River Basin, Rebecca Ranch grade Comment
  CAS-BOT-BC302216  Harmonia nutans Barbara Ertter; Jeffrey Strachan 1980-5-9 3330 Napa Los [Las] Posadas State Experimental Forest on Howell Mountain 1-2 mi east of Angwin 548 Comment
  CAS-BOT-BC302219  Harmonia nutans Carl B. Wolf 1928-5-3 1782 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC302236  Harmonia nutans J. Clausen 1935-5-23 1072 Napa Howell Mountain, near summit, 6.5 mi. N.E. of St. Helena Comment
  CAS-BOT-BC302239  Harmonia nutans H. M. Hall 1931-5-26 13087 Napa West side Napa Range, on Sarco Creek Comment
  CAS-BOT-BC302245  Harmonia nutans David D. Keck 1931-4-4 1088 Napa The Crater Country, 3 miles SE. from summit of Mt. St. Helena, northern Napa County 950 Comment
  CAS-BOT-BC302248  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
  JEPS13616  Harmonia nutans W. L. Jepson 1904-6-3 2440 Napa Howell Mt. Comment
  SJSU11766  Harmonia nutans J. D. Paravantes 1973-4-14 Napa Soda Canyon Rd 5 mi N of intersection with Silverado Trail 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
  UC30653  Harmonia nutans Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  CHSC103018  Helenium puberulum Lowell Ahart 2009-10-12 16423 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  OBI16346  Helenium puberulum Robert F. Hoover 1966-8-23 9934 Napa Butts Cyn near Lake Co. line Comment
  UC1069443  Helianthella californica subsp. californica A. Lewis 1932-5-14 78 Napa along the roadside Napa Quadrangle Comment
  CAS-BOT-BC305536  Helianthus bolanderi Peter H. Raven 1951-10-28 3949 Napa Chiles Valley - 1-3 miles east 304 Comment
  POM180773  Helianthus bolanderi J. T. Howell 1930-10-19 5616 Napa Dry slope, 3 miles from Aetna Springs on Butte Valley road to Middletown Comment
  UCD132906  Helianthus bolanderi G. F. Hrusa; T. D. Wilfred 1997-7-24 14020 Napa middle reaches of Butts Canyon +/- 8 to 10 miles southeast of Middletown. 200 Comment
  UCD159470  Helianthus bolanderi D. S. Park 2010-8-13 224 Napa Along Berryessa Knoxville Rd. In dried up creek bed. 234 Comment
  JEPS4455  Helianthus californicus W. L. Jepson 1893-9-24 13424 Napa Angwin's Meadows Howell Mountain, Angwin's Meadows Comment
  CAS-BOT-BC305617  Helianthus californicus Alice Eastwood; John Thomas Howell 1939-8-20 7619 Napa Capell Creek Comment
  UCD161574  Heliotropium curassavicum Jake Ruygt 2006-9-5 5092 Napa Rector Creek about 4/10 mile east of Conn Creek. 36 Comment
  CHSC102300  Heliotropium europaeum Lowell Ahart 2009-10-12 16433 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  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
  UCD160635  Hemizonella minima Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8727 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 237 Comment
  UC88998  Hemizonia congesta subsp. clevelandii Edward Lee Greene 1883-8-1 Napa Calistoga Comment
  CAS-BOT-BC306153  Hemizonia congesta subsp. clevelandii J. McMurphy 1909-8-7 696 Napa Callistoga [Calistoga] Comment
  JEPS106664  Hemizonia congesta subsp. lutescens Jake Ruygt 1996-9-7 3782 Napa Green Island Road about 1/2 mile from end of road. 2 Comment
  UC194237  Hemizonia congesta subsp. lutescens H. M. Hall 1916-8-6 10262 Napa 7 km s Napa Comment
  UC726257  Hemizonia congesta subsp. lutescens A. A. Heller 1941-9-22 16316 Napa near Napa junction Comment
  CAS-BOT-BC309834  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1926-11-28 1576 Napa American Canon [Canyon] between Napa highway and Cordelia Comment
  SBBG8414  Hemizonia congesta subsp. luzulifolia J. M. Tucker 1941-9-20 406 Napa jct of rd from Samuel Springs with Monticello-Pope Valley rd Comment
  UC197529  Hemizonia congesta subsp. luzulifolia H. M. Hall 1915-8-12 10096 Napa Collins San Francisco Bay Region Comment
  POM195298  Hemizonia parryi subsp. parryi H. M. Hall 1923-10-15 11948 Napa Calistoga. Comment
  RSA32838  Hemizonia parryi subsp. parryi A. A. Heller 1941-9-22 16318 Napa Just back of the hot springs at Calistoga. Comment
  UCD161401  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
  JEPS29503  Hesperevax sparsiflora var. sparsiflora Willis L. Jepson 1893-5-8 Napa below New Eden; Howell Mt. Comment
  HSC46349  Hesperocyparis sargentii J. P. Smith, J. O. Sawyer 1970-5-17 3786 Napa 9 mi. N of Pope Valley Comment
Read comments
Jun 12 2012
  JEPS112582  Hesperolinon Jake Ruygt 1995-6-26 3508 Napa about 2 miles south of L. Hennessey on private road (Taylor) 414 Comment
  JEPS112583  Hesperolinon Jake Ruygt 1992-5-3 2926 Napa Skyline Park, Napa east of Marie Creek 195 Comment
  JEPS49034  Hesperolinon W. L. Jepson 1936-7-3 17648 Napa La Brusca Howell Mt. 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
  JEPS32275  Hesperolinon bicarpellatum W. L. Jepson 1938-6-8 18888 Napa slopes along the Snell Valley Road ne Pope Valley (drainage of Butts Creek) (northern Napa County) Comment
  LA47291  Hesperolinon bicarpellatum Helen Sharsmith; 1952-6-20 4145 Napa above Pope Creek ca. 0.5 mi. from Walter Springs 152 Comment
  POM139230  Hesperolinon bicarpellatum Katherine Brandegee 1911-6-29 s.n. Napa Butts Canyon near Aetna Springs. Comment
  RSA151703  Hesperolinon bicarpellatum Joseph P. Tracy 1933-6-2 12480 Napa At head of Moore s Creek, 5 miles east of Angwin s. 396 Comment
  UC1212349  Hesperolinon bicarpellatum Helen K. Sharsmith 1958-10-16 4620 Napa s-facing slope of canyon about 100 ft above creek (road from Pope Valley to Monticello about 3 mi e of Pope Valley, btween Walters Springs and Samuels Springs); Inner North Coast Ranges, Pope Creek Canyon 137 Comment
  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
  UC762266  Hesperolinon bicarpellatum R. F. Hoover 1938-6-8 3539 Napa canyon of s. fork of Butts Creek s. fork of Butts Creek Comment
  UCD119659  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Pritchard Hill, south of Lake Hennessey and Highway 128, on lands of Continuum Estate Winery, at end of private road near winery. 427 Comment
  UCD167349  Hesperolinon bicarpellatum Jake Ruygt 2007-5-19 5187 Napa Las Posadas State Forest, north east of Recreation Flat. 402 Comment
  JEPS122784  Hesperolinon breweri Jake Ruygt 1989-4-20 2334 Napa About 3/4 mile south of Monticello Dam on Vaca Mtns. QUAD: Monticello Dam. Comment
  RSA92954  Hesperolinon breweri Peter H. Raven 1951-6-26 s.n. Napa Cappell Valley. 366 Comment
  JEPS112651  Hesperolinon californicum Jake Ruygt 1981-5-27 1045 Napa American Canyon, .3 miles east of Flosden Rd. 91 Comment
  JEPS122801  Hesperolinon californicum Jake Ruygt 2005-6-4 4903 Napa SE end of Paradise Valley. QUAD: Jericho Valley. Comment
  JEPS122839  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 225 Napa In meadow above Shadhiliyya Sufi Center at Walter Springs (accessed via turnoff from Pope Canyon Road) Comment
  UC1212457  Hesperolinon californicum Helen K. Sharsmith 1952-5-17 4078 Napa w side of valley 0.5 mi n junction of Pope Valley-Monticello road w/road to Rutherford; Inner North Coast Ranges, Chiles Valley 243 Comment
  UCD167169  Hesperolinon californicum Jake Ruygt 2015-4-20 6076 Napa Fernandes/ Land Trust, Snell Peak area. 455 Comment
  CAS-BOT-BC176060  Hesperolinon clevelandii Helen K. Sharsmith 1952-5-18 4082 Napa 0.5 mile north of Aetna Springs below Aetna Mine 304 Comment
  UCR71418  Hesperolinon clevelandii H. K. Sharsmith 1965-5-18 5519 Napa Inner North Coast Ranges, 1 mi. above Aetna Springs on mine road & c. 5 mi. beyond town of Pope Valley 305 Comment
  CAS-BOT-BC488325  Hesperolinon disjunctum Ayzik Solomeshch 2008-4-20 s.n. Napa N side of Pope Canyon Rd, ca 2 km W of intersection with Berryessa-Knoxville Road 140 Comment
  JEPS122797  Hesperolinon disjunctum Jake Ruygt 2004-6-12 4613 Napa Devilhead Road at Turner Mountain. QUAD: Walter Springs. Comment
  JEPS122878  Hesperolinon disjunctum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 621 Napa Along Knoxville Devilhead Rd. just south of Knoxville Berryessa Rd. at dirt road junction Comment
  JEPS127860  Hesperolinon disjunctum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 626 Napa Pipeline road meadow site at McLaughlin Reserve Comment
  JEPS88634  Hesperolinon disjunctum Dean Wm. Taylor with Glenn L. Clifton 1990-5-25 10807 Napa Butts Canyon Road near junction with Snell Road (slope adjacent to small stream); North Coast Ranges 204 Comment
  UC1212493  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4147 Napa Pope Valley-Monticello road about 1 mi e spur road to Samuels Spring (s-facing slope above Pope Creek); Inner North Coast Ranges 121 Comment
  CAS-BOT-BC176236  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4119 Napa Above Knoxville Creek, 0.8 mile south of Knoxville, Monticello Lower Lake road 365 Comment
  UC17251  Hesperolinon disjunctum Willis L. Jepson 1892-7 19006 Napa Knoxville Mountain Region of Clear Lake Comment
  HSC43948  Hesperolinon micranthum Robert M. Specht 1977-5-14 885 Napa Above site 128, on east facing slope 503 Comment
  UC1212276  Hesperolinon micranthum Helen K. Sharsmith 1951-10-21 4038 Napa above Sage Creek (w side of Chiles Valley); Inner North Coast Ranges, Chiles Valley 259 Comment
  UC1212415  Hesperolinon micranthum Helen K. Sharsmith 1957-6-18 4603 Napa Chiles Valley Ranch Inner North Coast Ranges, Chiles Valley 213 Comment
  JEPS122775  Hesperolinon spergulinum Jake Ruygt 1982-6-29 1357 Napa 0.4 miles west of Pope Valley Road on Howell Mtn. Road. QUAD: St. Helena Comment
  JEPS32294  Hesperolinon spergulinum Willis L. Jepson 1901-8-6 1728 Napa Howell Mt. grade Napa River Basin Comment
  OBI57141  Heterocodon rariflorum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24512 Napa Along Aetna Springs Road on east slope of Sugarloaf Mountain Comment
  UC1536920  Heteromeles arbutifolia Gordon H. True Jr. 1937-6-20 729 Napa e of Napa (Mt. George); Mt. George 304 Comment
  CAS-BOT-BC310264  Heterotheca grandiflora Peter H. Raven 1953-10-4 6362 Napa Napa-Vallejo Road nr. Dutton's Ldg. turn-off 30 Comment
  UC1999862  Heterotheca oregona var. oregona J. C. Semple, S. Heard 1986-8-20 8566 Napa Just N of Calistoga on CA-29m, 15.3 km SW of Lake county line. Comment
  JEPS106626  Heterotheca oregona var. rudis Jake Ruygt 1987-10-12 2104 Napa Putah Cr. north of Berryessa Estates 143 Comment
  UC1999863  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 Co. line Comment
  CAS-BOT-BC424162  Heuchera micrantha var. erubescens Betty H. Johnson 1958-6-20 674 Napa along old toll road about 1/2 mi. above Mt. Mill House, 6.4 mi. SW of Middleton Comment
  CAS-BOT-BC312335  Hieracium albiflorum Carl B. Wolf 1928-5-3 1808 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  UCD133137  Hieracium albiflorum K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  CAS-BOT-BC55303  Hirschfeldia incana Peter H. Raven 1952-5-29 4074 Napa Napa River 1 mile north Napa. 60 Comment
  JEPS107198 Image available Hoita macrostachya Jake Ruygt 1978-7-5 380 Napa 8.9 miles NE of Monticello Rd. on Atlas Peak Road 554 Comment
  JEPS65628  Hoita macrostachya Willis L. Jepson 1901-8-6 1734 Napa Howell Mt. Napa River Basin Comment
  JEPS106636  Holocarpha virgata Jake Ruygt 1987-7-27 2084 Napa .7 miles west of HWY 128 on Monticello Road 256 Comment
  JEPS45044  Holodiscus discolor W. L. Jepson 1923-6-3 9973 Napa south of Calistoga; Napa Valley; East side road. S. of Calistoga, Napa Valley Comment
  CAS-BOT-BC315787  Holozonia filipes K. Brandegee 1910-7-26 186 Napa Near Angwin's Comment
  UC89201  Holozonia filipes Brandegee 1888-8-1 Napa Howell Mountain Comment
  UC1103742  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1905-7-6 2229 Napa 3-4 mi e Angwin's (on hills at head Moore's Creek, Howell Mountian); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UCD85513  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1953-5-19 1308 Napa Chiles Valley. Digger Pine belt. 10 miles west of Monticello, along Hwy. 128. Comment
  UCD85462  Hordeum brachyantherum subsp. californicum J. Street 1950-6-19 s.n. Napa Pope Valley. Comment
  CAS-BOT-BC284935  Hordeum brachyantherum subsp. californicum Peter H. Raven 1951-6-10 2927 Napa Crater Region e. of Palisades 762 Comment
  UCD120915  Hordeum marinum subsp. gussoneanum Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7336 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
  UCD18013  Hordeum marinum subsp. gussoneanum Ellen Dean; with Plant Biology 102 class 2001-4-28 745 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At entrance gate to Reserve, along path that goes to the NE from gate. 371 Comment
  CAS-BOT-BC284762  Hordeum murinum subsp. glaucum Peter H. Raven 1950-4-15 1704 Napa Napa 9 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
  JEPS66798  Hypericum concinnum Alice King July, 1919 Napa Mt. St. Helena, Van Ness ranch Comment
  POM38444  Hypericum concinnum Marcus E. Jones 1881-7-6 s.n. Napa St. Helena Comment
  UC1537661  Hypericum concinnum Gordon H. True Jr. 1937-6-21 741 Napa near Lokoya Lodge near Lokoya Lodge 365 Comment
  UCD73439  Hypericum concinnum Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  UCD73457  Hypericum concinnum Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 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
  CAS-BOT-BC410812  Hypericum concinnum Alice Eastwood 1923-5-9 11741 Napa Hills above Calistoga Comment
  JEPS66790  Hypericum concinnum W. L. Jepson 1938-5-25 18860 Napa Howell Mountain, Bell Canyon Bell Canyon; Howell Mountain, Bell Canyon 579 Comment
  UC187748  Hypericum formosum var. scouleri Katharine Brandegee 1910-7-1 Napa Howell Mt. Comment
  UCD133324  Hypochaeris glabra Heidi E. M. Dobson 1978-6-20 344 Napa East slope of Mt. Veeder. Comment
  UCD133461  Hypochaeris radicata Heidi E. M. Dobson 1978-6-14 340 Napa east slope of Mt. Veeder. Comment
  POM145272  Iris Simonds 1928-05 s.n. Napa Browns Valley. Comment
  CHSC58402  Iris fernaldii Karen Blom 1975-5-16 22 Napa 1 mile north of State Highway 121 on Knoxville Road. Comment
  RSA135873  Iris fernaldii Lee W. Lenz, E. K. Balls 1955-5-17 20765 Napa 7.6 miles south of Lake-Napa County line along State Highway 29, Middletown to Calistoga 457 Comment
  UCD138721  Iris fernaldii C. G. Baughn 1949-4-24 27 Napa State Highway 12, 4 miles northwest of Cordelia. Comment
  JEPS126028  Iris longipetala Jake Ruygt 1981-4-20 992 Napa American Canyon, east of Flosden Road. Cordelia 7.5' Quad. Comment
  JEPS126060  Iris longipetala Jake Ruygt 1999-4-18 4128 Napa South side of American Canyon Creek. Cordelia 7.5' Quad. Comment
  JEPS88857  Iris macrosiphon Carol A. Wilson 1992-4-18 92 -ph1 Napa 0.5 mi w Pope Valley (n of Angwin, Howell Mt Rd) Comment
  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
  UCD48720  Iris macrosiphon M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 10 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines. 50 ft. N of lat./long position. 289 Comment
  CDA39597  Iris macrosiphon Yeager 1930-5-15 s.n. Napa [no further data] 0 Comment
  HSC83396  Iris macrosiphon Jake Ruygt 1975-4-19 13 Napa S of Milliken Creek above S wall of canyon, 4.5 mi. E of Trancas St. and Hwy. 29 in Napa 91 Comment
  SEINET12049801  Iris macrosiphon F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -303 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 780 Comment
  UC914248  Iris macrosiphon Verne Grant and Alva Grant 1947-4-19 7938 Napa e of summit of Mayacama Mts. (on Napa to Monticello road) Comment
  UCSB878  Iris macrosiphon Kamb, Peter; Chisaki, Francia 1950-4-22 Napa above valley floor; West side of Wooden Valley on California Highway 37 304 Comment
  UCD48726  Iris orientalis Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 22 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along road to research station. 411 Comment
  JEPS129168  Isoetes howellii Jake Ruygt 2015-5-2 6086 e Napa West of Buck Mountain near Nevada. Knoxville 7.5' Quad. Comment
  RSA170232  Isoetes nuttallii Joseph P. Tracy 1950-5-23 18659 Napa La Jota Plateau, on hills at head of Moore s Creek, 5 miles east of Angwin s, Howell Mountain. 518 Comment
  UC1245416  Isoetes nuttallii Joseph P. Tracy 18659 Napa 5 mi. e. Angwin's (hills at head of Moore's Creek); Howell Mt. 518 Comment
  UC14915  Isoetes nuttallii J. P. Tracy 1902-5-19 1553 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 518 Comment
  CAS-BOT-BC340124  Jaumea carnosa Peter H. Raven 1952-8-26 5136 Napa Nr. Bentley Wharf 15 Comment
  UC484304  Juglans californica var. hindsii Carl B. Wolf 1930-11-3 1800 Napa above Wooden Valley; Napa Range, Munson Ranch 304 Comment
  UCD13101  Juglans hindsii Stephanie Perez 1974-4-26 21 Napa NAPA CO. Silverado Trail N. Approx 1/2 mi N of intersection with Deer Park Rd. Elevation 500'. 152 Comment
  UCD20737  Juglans hindsii Ellen Dean; w/ Mark Bibbo 2002-6-17 1101 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near main entrance gate to reserve, just upslope from road to field station. E side of the road. 371 Comment
  JEPS126038  Juncus bolanderi Jake Ruygt 1992-8-31 3137 Napa Between Mitten Lake and Leoma Lakes, Wilde Horse Valley Ran. Mount George 7.5' Quad. Comment
  UC183781  Juncus hemiendytus var. hemiendytus Joseph P. Tracy 1902-5-18 1534 Napa 3-4 mi e Angwin's (on hills at Head of Moores Creek); Northern Coast Ranges, Howell Mountain, Head of Moores Creek 518 Comment
  JEPS122683  Juncus kelloggii Jake Ruygt 2007-5-17 5180 Napa Duff Ranch, NE of Grassy Hill. Quad: Calistoga. Comment
  UC1601770  Juncus occidentalis J. Burtt Davy 1894-9-29 740 Napa Calistoga Comment
  UCD95940  Juncus occidentalis Ellen Dean; with Clare Loughran 2011-5-20 7065 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
  UCD166704  Juncus occidentalis Jake Ruygt 1982-3-17 1132 Napa Suscol plain, east of Kaiser Steel (Rocktram). 1 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
  JEPS75645  Juncus patens W. L. Jepson 1936-6-1 17577 Napa w side Four Corners; Napa Range, Howell Mt. Comment
  UCD20744  Juncus patens Ellen Dean; w/ Mark Bibbo 2002-6-17 1105 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. 182 Comment
  JEPS122665  Juncus phaeocephalus var. phaeocephalus Jake Ruygt 1982-5-4 1224 Napa Suscol plain, between Kaiser and Highway 29 (Rocktram). Quad: Napa. Comment
  RSA475215  Kickxia elatine Aaron Liston, Sara Meury 1987-6-6 676 -1 Napa Bothe - Napa Valley State Park. 150 Comment
  POM222621  Kickxia elatine H. P. Bracelin 1931-12-5 575 Napa Conn Creek, Napa Valley. Comment
  CDA11427  Lagophylla minor G. F. Hrusa, M. Tu 1995-5-6 12150 Napa North Coast Biodiversity Arena; approx. 1.5 m. above Aetna Springs, on Aetna Spr. Rd. Comment
  CAS-BOT-BC341423  Lagophylla minor David D. Keck 1933-5-29 2376 Napa 1.3 miles south of Knoxville Comment
  CAS-BOT-BC341427  Lagophylla minor J. Clausen 1935-5-22 1069 Napa Ca. 1 mi. E. of Chiles Valley Store Comment
  CAS-BOT-BC341432  Lagophylla minor Peter H. Raven 1951-5-6 2821 Napa Silverado Trail 3/4 mile Conn Dam 152 Comment
  OBI77850  Lagophylla minor David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24507 Napa Just south of Lake Hennessy on south side of Highway 128 Comment
  UCD19313  Lagophylla ramosissima M. A. Bibbo; E. Dean 2001-7-6 5 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-BC341555  Lagophylla ramosissima Peter H. Raven 1952-5-31 4160 Napa Plain of Rector Creek 121 Comment
  SBBG40959  Lamium purpureum M. M. Ackley 1959-4-4 Napa near St Helena Comment
  CAS-BOT-BC338271  Lasthenia californica Peter H. Raven 1950-5-6 2020 Napa Near Old Faithful Geyser n. of Calistoga 182 Comment
  JEPS106672  Lasthenia conjugens Jake Ruygt 1983-5-1 1451 Napa Suscol Hill east of HWY 29 (221) 27 Comment
  JEPS106673  Lasthenia conjugens Jake Ruygt 1991-5-4 2635 z Napa Suscol Ridge Comment
  CAS-BOT-BC355482  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 1869 Napa Napa Valley, near Calistoga 90 Comment
  UC33070  Lasthenia glabrata subsp. glabrata Willis L. Jepson 1894-1-1 Napa Conn Valley Comment
  UCD159787  Lasthenia gracilis James A. Neilson Jr. 1975-4-13 3167 Napa Soda Canyon Road, near summit. 457 Comment
  JEPS10166  Lasthenia gracilis W. L. Jepson 1893-4-28 Napa Napa Comment
  UCD106231  Lathyrus hirsutus John Thomas Howell 1966-6-2 41552 Napa Dry Creek Road near head of Dry Creek south west of Oakville. Comment
  UC2029987  Lathyrus jepsonii subsp. jepsonii David Amme 2002-10-8 s.n. Napa Napa River: South east of the town of Napa, growing along the east bank of the Napa River on the northerly side of the old Maxwell Bridge (Imola Ave.). Population extends along the upper edges of the river bank from the bridge northward another 70 feet. Comment
  UCD81832  Lathyrus sphaericus Ellen Dean 2009-4-24 5462 Napa Property at 600 Petrified Forest Road. 170 Comment
  JEPS107266  Lathyrus torreyi Jake Ruygt 1994-4-9 3346 Napa Las Posados Sate Forest on Moore Creek Trail. 487 Comment
  UCD168544  Lathyrus vestitus Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCSB3114  Lathyrus vestitus Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway 37, 500 feet above valley floor 304 Comment
  SEINET10576972 Image available Lathyrus vestitus subsp. puberulus George Thurber Thurber 485 Napa Comment
  POM29623  Lathyrus vestitus subsp. vestitus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD48944  Lathyrus vestitus var. vestitus Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd., W of creekbed. 182 Comment
  CDA27143  Lathyrus vestitus var. vestitus T. C. Fuller 1958-5-1 3713 Napa Highway 53, 8 miles north of Calistoga. 0 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-BC323199  Layia chrysanthemoides Clara A. Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UCD18177  Layia chrysanthemoides Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  CAS-BOT-BC323196  Layia chrysanthemoides David D. Keck 1933-5-29 2377 Napa 3 miles NW of Knoxville, northern Napa County. Comment
  UC30602  Layia chrysanthemoides Willis L. Jepson 1894-1-1 Napa Napa River Basin , Conn Valley Comment
  JEPS106617  Layia gaillardioides Jake Ruygt 1980-4-22 858 Napa .7 miles NW of Knoxville on Berryessa-Knoxville Rd. 457 Comment
  POM260852  Layia platyglossa subsp. campestris J. T. Howell 1940-5-19 15458 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC274335  Leersia oryzoides Peter H. Raven 1952-9-14 5175 Napa Conn Creek e. of Yountville 91 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
  JEPS110792  Lepechinia calycina Jake Ruygt 1992-5-15 2968 Napa Wild Horse Valley Ranch, west of road north of polo field 499 Comment
  JEPS110793  Lepechinia calycina Jake Ruygt 1989-6-3 2362 Napa about 1 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  UCD70473  Lepechinia calycina P. J. Plummer 1995-5-29 s.n. Napa W of city of Winters, roadside off hwy 128. 335 Comment
  JEPS48644  Lepidium dictyotum var. acutidens Elsa Kraeger 1926-3-27 Napa Calistoga, near geyser Calistoga Comment
  JEPS53708  Lepidium nitidum John Thomas Howell 1926-3-20 1687 Napa Calistoga Comment
  JEPS106790  Lepidium nitidum var. nitidum Jake Ruygt 1978-3-8 231 Napa north of the east end of Westgate Drive, Silverado Country Cl. 121 Comment
  JEPS120396  Lepidium oxycarpum Jake Ruygt 1993-4-18 3208 Napa north of American Canyon Creek, south of Am. Can. sanitation Comment
  JEPS126122  Lepidium virginicum Jake Ruygt 2010-6-26 5651 Napa 3400 Atlas Peak Road, entrance road. Capell Valley 7.5' Qua. Comment
  JEPS53768  Lepidium virginicum Willis L. Jepson 1893-6-26 13399 Napa near St. Helena; Napa River Basin Comment
  RSA115540  Leptosiphon acicularis Beecher Crampton 1957-6-4 s.n. Napa Above Capell Creek, north end Capell Valley Comment
  RSA97993  Leptosiphon androsaceus Robert C. Bechtel 1952-4-20 68 Napa 7 miles northwest of Monticello (Samuel Springs) 91 Comment
  UCD118585  Leptosiphon androsaceus Alan P. Godlewskie 1974-5-3 15 Napa west of Lake Berryessa, approximately 75 yards from Highway 128. Comment
  POM146397  Leptosiphon aureus A. A. Heller 1924-4-12 I- 3850 Napa Hot springs at Calistoga Comment
  UCD148790  Leptosiphon bicolor Ellen Dean; Diana Hickson 2014-4-29 8098 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD49212  Leptosiphon bicolor Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 15 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd., W of creekbed. 167 Comment
  HSC97648  Leptosiphon bicolor Gail Matson 1977-4-16 24 Napa Along Hwy. 128, 6.4 mi. SW of Monticello Dam 213 Comment
  CHSC83416  Leptosiphon latisectus L. P. Janeway; B. Castro 2002-5-12 7538 Napa Inner North Coast Ranges. Near top of ridge on northeast side of Pocock Creek along the dirt road from Devilhead Road. 536 Comment
  JEPS129074  Leptosiphon latisectus Jake Ruygt 2016-3-27 6172 a Napa Smittle Creek, W of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UC1283740  Lessingia hololeuca Beecher Crampton 1964-8-18 7153 Napa Tubbs Lane 2 mi n Calistoga (ditch along road) Comment
  UC517444  Lessingia hololeuca Milo S. Baker 1933-9-9 7536 Napa Calistoga geysers Comment
  OBI15785  Lessingia nemaclada Robert F. Hoover 1966-8-23 9930 Napa Butts cy near Lake co line Comment
  SBBG117234  Lessingia ramulosa B. Crampton 1961-8-14 5968 Napa N end of Capell Valley, along St Hwy 128, above Capell Crk Comment
  UCD38961  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa North end of Capell Valley above Capell Creek and along State Hwy. 128. Comment
  UCR141013  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa Inner North Coast Ranges, northern end of Capell Valley, along Calif. Hwy 128, above Capell Creek 213 Comment
  JEPS82264  Lessingia ramulosa Roger Raiche 1983-7-2 30460 Napa along Snell Valley Road near road marker NAPA 2 40 Comment
  UC33170  Lessingia ramulosa Willis L. Jepson 1893-9-24 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC444465  Lewisia rediviva var. rediviva Alice Eastwood 1915-6-6 4666 Napa Mt. St. Helena Comment
  POM290968  Lilium rubescens Lyman Benson 1934-6-15 6099 Napa Mt. St. Helena 762 Comment
  UCD139755  Lilium rubescens Heidi E. M. Dobson 1978-6-14 337 Napa east side of Mt. Veeder. Comment
  HSC49392  Limnanthes douglasii R. York 1979-4-8 192 Napa Along Silverado Trail Rd., 5 mi. N of Napa. Comment
  UC971874  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-5-8 1182 Napa Pope Valley Comment
  JEPS112565  Limnanthes douglasii subsp. nivea Jake Ruygt 1991-5-18 2686 Napa .6 mi. NW of Howell Mtn. Rd. on Butts Canyon Rd. 222 Comment
  UC1593390  Limnanthes douglasii subsp. nivea R. Ornduff 1966-4-21 6880 Napa 4.4 mi se Calistoga (pasture along Hwy 29, in ephemeral stream) Comment
  SEINET5556954  Limnanthes douglasii var. nivea H. S. Gentry 1962-1 19703 Napa 3 mi. north of Calistoga, along Rt. 128. 60 Comment
  JEPS110643  Limosella acaulis Jake Ruygt 1979-4-12 505 Napa .2 miles west of Soscol Ave on Imola Ave 4 Comment
  JEPS110670  Limosella acaulis Jake Ruygt 1990-6-23 2599 Napa Johnson's Meadow Creek, Wild Horse Valley Ranch 435 Comment
  CDA11597  Linanthus androsaceus G. F. Hrusa, S. Larson 1995-4-1 12054 Napa North Coast Biodiversity Arena; along Chiles-Pope Valley Rd., approx. 2 m. above Lake Hennessey. 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
  UC23363  Linanthus androsaceus Willis L. Jepson 1893-4-28 Napa trail to Caux's Cabin Napa River Basin Comment
  UCD15265  Linanthus bicolor Patsy Barry 1984-5-12 16 Napa serpentine outcrop on Hwy 128 near Moscowite corners: 304 Comment
  JEPS110965  Linanthus bolanderi Jake Ruygt 1985-4-27 1586 Napa Diamond Flat near Putah Creek 198 Comment
  SEINET215090  Linanthus dichotomus R. F. Denno 1967-4-15 43 Napa Lower Chiles Valley Road, .75 mi. N. from its junc. with State Hwy. 128. 229 Comment
  UC907816  Linanthus dichotomus Herbert L. Mason 1933-4-30 7230 Napa near Aetna Springs Comment
  UCD118645  Linanthus dichotomus R. L. Smith 1948-5-7 s.n. Napa East branch of Monticello Valley, about 3 miles E of Samuel Springs. Comment
  JEPS58118  Linanthus jepsonii E. V. Ferguson 1920-5-15 349 Napa Pope Valley Comment
  CAS-BOT-BC123058  Linanthus jepsonii Carol Goodwillie 1995-5-11 1 Napa Wantrup Wildlife Sanctuary, on primary road 1.3 km W of Hardin Road, 60 meters N of vernal pool 256 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
  JEPS58110  Linanthus parviflorus W. L. Jepson 1915-4-23 6255 Napa Conn Valley Napa Range Comment
  JEPS58113  Linanthus parviflorus W. L. Jepson 1904-6-3 2444 Napa Howell Mt. Napa Range 365 Comment
  UC188469  Linanthus parviflorus C. F. Sonne Apr 1896 Napa Napa Valley Comment
  UC908692  Linanthus parviflorus Herbert L. Mason 1926-3-22 2790 Napa along road from Calistoga to Petrified Forest (near Sonoma County line) Comment
  JEPS82745  Linaria maroccana L. R. Heckard and J. C. Hickman 1984-4-16 6147 Napa 1 mi below junction with White Cottage Road (above Deer Park on road to Angwin) Comment
  CAS-BOT-BC430622  Lithophragma affine Peter H. Raven 1953-4-2 5258 Napa hills e. of Imola 121 Comment
  CAS-BOT-BC430624  Lithophragma affine Carl B. Wolf 1928-5-3 1848 Napa base of Mt. St. Helena Comment
  JEPS110627  Lithophragma heterophyllum Jake Ruygt 1977-4-7 177 Napa 2.8 miles NW of Mt. Veeder Rd. on Redwood Rd. 243 Comment
  UCSB2569  Lithophragma heterophyllum Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway #37 304 Comment
  CAS-BOT-BC342247  Logfia filaginoides John H. Thomas 1958-4-19 7110 Napa About 2 miles SW of Oakville 152 Comment
  UCD159923  Logfia filaginoides Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon.E section. 243 Comment
  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
  JEPS20920  Logfia filaginoides Willis L. Jepson 1896-6-1 Napa Helena Napa River Basin, Helena Comment
  JEPS20922  Logfia filaginoides W. L. Jepson 1897-6-2 Napa Napa Valley Comment
  JEPS106959  Logfia gallica Jake Ruygt 1978-6-25 367 Napa 1.5 miles west of Old Sonoma Rd. on HWY 12 91 Comment
  JEPS20928  Logfia gallica W. L. Jepson 1938-5-20 18807 Napa slope above St. Helena Sanitorium; Howell Mts. Comment
  JEPS33569  Logfia gallica W. L. Jepson 1936-6-2 17614 Napa hills to e Yountville (on e side road); Napa Valley Comment
  JEPS33574  Logfia gallica W. L. Jepson 1944-5-21 27525 Napa fields 7 mi n Napa (e side of Napa Valley); Napa Valley Comment
  UC165833  Logfia gallica J. P. Tracy 1902-5-17 1519 Napa 3-4 m e of Angwin' (head of Moore's Creek); Howell Mountain,Moore's Creek 365 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
  UCD36954  Lolium Beecher Crampton 1956-5-25 3490 Napa Sarco Creek Canyon. Comment
  CAS-BOT-BC283553  Lolium multiflorum Peter H. Raven 1952-5-29 4080 Napa Napa River, 1 mile N of Napa 60 Comment
  UC1132201  Lolium multiflorum J. B. Spring 1932-6-7 70 Napa head of Carneros Creek; Napa Quadrangle, head of Carneros Creek Comment
  UCD18141  Lolium perenne Jean Shepard; with PLB 102 class 2000-4-29 198 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
  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
  UCD127614  Lomatium californicum M. Wiesendanger 1927-5-4 703 Napa Monticello, Napa Road. Comment
  HSC103355  Lomatium dasycarpum subsp. dasycarpum Thomas W. Nelson, Jane Nelson 1985-5-26 7811 Napa Along Aetna Springs Rd., opposite entrance road to Aetna Mine at mile post 1.75. Comment
  JEPS17139  Lomatium dasycarpum subsp. dasycarpum Willis L. Jepson 1893-4-28 14304 Napa hills e. Napa Comment
  UC1195671  Lomatium dasycarpum subsp. dasycarpum A. R. Kruckeberg 1947-5-4 1447 Napa Butts Creek canyon Comment
  JEPS104545  Lomatium dissectum var. dissectum Jake Ruygt 1989-4-22 2262 Napa 4.7 miles NE of Atlas Peak Rd. on Monticello Road 286 Comment
  JEPS122753  Lomatium hooveri Jake Ruygt 2004-4-3 4579 Napa Ridge between Foley and Knoxville Creeks. Quad: Knoxville. Comment
  UCD63184  Lomatium hooveri Jake Ruygt 2003-5-5 4520 Napa On ridge west of Foley Creek, east of Knoxville Creek. 411 Comment
  UCD63188  Lomatium macrocarpum Jake Ruygt 2005-4-17 4762 c Napa Bear Valley. 615 Comment
  RSA452560  Lomatium marginatum var. purpureum Robert Gustafson, Don Reynolds 1983-6-7 2736 Napa Butts Canyon Road, about 2 miles north of the jct. with Aetna Springs Road. Comment
  UC1197152  Lomatium marginatum var. purpureum J. P. Tracy 1899-6-13 413 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 365 Comment
  SBBG5213  Lomatium nudicaule H. and M. Dearing 1939-5-1 3252 Napa Spring Mtn Grade Comment
  JEPS104550  Lomatium repostum Jake Ruygt 1991-4-20 2626 Napa Friesen's Lakes, near Deer lake 597 Comment
  UCD82616  Lomatium repostum Stephen P. Rae 2009-5-18 s. n. Napa Continuum Vineyards. Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 427 Comment
  SEINET13944722 Image available Lomatium repostum Lincoln Constance, J. F. Davidson, W. H. Wagner, R. H. Shan 1946-1 3048 Napa Southeast slope of Mount Saint Helena, near the old inn. Comment
  CDA11321  Lomatium utriculatum G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12027 Napa at entrance gate, UC Quail Ridge Reserve Comment
  UCD47867  Lomatium utriculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 25 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  JEPS78641  Lomatium utriculatum John W. Willoughby 1975-5-23 784 Napa along State Hwy. 128 w. Monticello Dam (Vaca Mts.); Vaca Mts. 170 Comment
  JEPS84632  Lomatium utriculatum John W. Willoughby 1977-4-20 2158 Napa w. side of range in shallow draw just below ridge Vaca Mts. 731 Comment
  UC176034  Lomatium utriculatum H. P. Chandler 1907-5-19 7574 Napa St. Helena, White Sulphur Spring Comment
  UC658975  Lomatium utriculatum Mildred E. Mathias 1937-5-23 1283 Napa along Hwy. 29 Mt. St. Helena 533 Comment
  UCD148801  Lonicera Ellen Dean; Diana Hickson 2014-4-29 8108 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 592 Comment
  UCD137323  Lonicera hispidula Susan Wagener 1955-5-15 60 Napa lookout spot ca. 1/2 mile southwest of Oakville, on Triniti Road. Comment
  JEPS106725  Lonicera hispidula var. vacillans Jake Ruygt 1998-7-18 4092 Napa Bear Valley 640 Comment
  UC1125229  Lonicera hispidula var. vacillans A. Lewis May 1934 104 Napa Sarco Creek Napa Quadrangle 304 Comment
  CAS-BOT-BC240797  Lonicera interrupta Alice Eastwood 1915-6-6 4656 Napa Mt. St. Helena Comment
  SEINET7072769  Lotus humistratus A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  JEPS107211  Lotus micranthus Jake Ruygt 1990-4-21 2488 Napa Giles Mead Ranch, Atlas Peak Rd. 475 Comment
  UC1300905  Lotus micranthus Helen K. Sharsmith 1963-3-17 5215 Napa s side Mt. Atlas; San Francisco Bay Region 609 Comment
  CDA27274  Lotus micranthus T. C. Fuller 1958-5-1 3721 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  SEINET8721491 Image available Lotus micranthus Laura Zeller 1965-1 23 Napa On Silverado Trail ca. 1 mi. S of Zinfandel Ave. 55 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
  JEPS129063  Lotus tenuis Jake Ruygt 1976-5-31 108 Napa .3 mile east of Atlas Peak Road on Hillcrest Drive. Napa 7.5' Quad. Comment
  JEPS110687  Ludwigia palustris Jake Ruygt 1992-8-31 3133 Napa Wild Horse Valley Ranch, Leoma Lakes 405 Comment
  UCD167267  Ludwigia palustris Jake Ruygt 1992-6-2 3015 Napa Leoma Lakes, Wild Horse Valley Ranch. 402 Comment
  UCD78329  Ludwigia peploides subsp. montevidensis B. J. Grewell 2005-9-14 05- 20 -LU Napa Lake Hennessey shoreline at Sage Creek overflow, s. of Hwy 128 and east of main lake body. 99 Comment
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Oct 2 2009
  UC1129311  Lupinus albifrons A. E. Wieslander 1934-2-25 868 Napa 3 mi n Calistoga (Calistoga--Middletown); Calistoga quad. Comment
  UC127019  Lupinus albifrons Willis L. Jepson 1893-5-4 Napa just above Toll-house, Mt. St. Helena (Mt. St. Helena); Napa River Basin, Mt. St. Helena Comment
  UCD105893  Lupinus albifrons Rimo Bacigalupi; L. Heckard, P. C. Silva 1962-4-16 8446 Napa 8.6 miles north of Vichy Springs junction (on Calif. 37), along Atlas Peak road; 1800 ft. Comment
  UCD162090  Lupinus albifrons Dylan O. Burge 2014-3-15 1487 Napa Mount Saint Helena. 850 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
  CAS-BOT-BC201557  Lupinus albifrons var. albifrons Peter H. Raven 1950-4-15 1751 Napa Wooden Valley Grade, above Napa 457 Comment
  RSA15678  Lupinus albifrons var. albifrons Carl B. Wolf 1928-2-25 1490 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UC201116  Lupinus albifrons var. albifrons Katharine Brandegee 1918-7-31 Napa Toll House Mt. St. Helena (Mt. St. Helena); , Toll House Comment
  HSC58983  Lupinus bicolor G. E. Johnston 1974-4-4 1019 Napa Near Bell Canyon, close to the town of Angwin 427 Comment
  JEPS107234  Lupinus bicolor Jake Ruygt 1995-5-1 3460 Napa Silverado Trail at Souza Lane, Napa. 12 Comment
  UCD148792  Lupinus bicolor Ellen Dean; Diana Hickson 2014-4-29 8100 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD161754  Lupinus bicolor Jake Ruygt 1996-4-27 3637 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 219 Comment
  SEINET10490750  Lupinus formosus var. formosus Donald E. Bright 1962-6-9 Bright 264 Napa Roadside, 5 mi n of calistoga, along highway 29. Comment
  UCD167062  Lupinus formosus var. formosus Jake Ruygt 2000-7-31 4279 Napa Napa, Trancas Street at Villa Lane. 14 Comment
  UC1543152  Lupinus latifolius Charlotte G. Nast 1936-3-27 82 Napa Childs Canyon Comment
  UCD47987  Lupinus microcarpus L. Lina; E. Anderson, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 17 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on east side of the dirt road. 390 Comment
  JEPS107219  Lupinus microcarpus var. densiflorus Jake Ruygt 1986-4-20 1715 Napa HWY 29 north of Oakville 42 Comment
  OBI48331  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jctn Hwy 29 in Rutherford, 3.6 mi W jct Lower Chiles Valley Rd Comment
  OBI48333  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jctn Hwy 29 in Rutherford, 3.6 mi W jct Lower Chiles Valley Rd Comment
  JEPS108045  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 mi E jct. Ca 121, 2.9 mi W Monticello Dam, Lake Berryessa. 274 Comment
  OBI56911  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 mi E jct CA 121, 2.9 mi W Monticello Dam, Lake Berryessa Comment
  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
  JEPS107248  Lupinus nanus Jake Ruygt 1981-4-1 965 a Napa Stags Leap 213 Comment
  JEPS65381  Lupinus nanus W. L. Jepson 1937-4-10 18003 Napa Howell Mt.; Howell Mt., Adam-and-Eve Ridge Comment
  JEPS65399  Lupinus nanus Willis L. Jepson 1893-4-26 20 t Napa near Yountville (La Lomita); Napa River Basin, , near Yountville Comment
  UCD108963  Lupinus nanus K. Esau 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  OBI17959  Lupinus nanus Lewis S. Rose 1964-4-2 64014 Napa St. Helena 76 Comment
  UCD161618  Lupinus nanus Jake Ruygt 2004-4-17 4586 Napa Big Ranch Road about 1/4 mile south of El Centro Avenue, Napa. 16 Comment
  JEPS65437  Lupinus sericatus Willis L. Jepson 1893-5-4 14527 Napa near Toll-house (Mt. St. Helena); Napa River Basin, Mt. St. Helena Comment
  UC725353  Lupinus sericatus A. A. Heller 1940-5-6 15586 Napa just below the crossing of State Highway #29 e side Mt. St. Helena; e side of Mt. St. Helena Comment
  UCD159920  Lupinus succulentus Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon.Middle section. Near Quad 51. 243 Comment
  UCD18042  Lupinus succulentus Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 593 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  HSC89680  Lupinus vallicola Robin Bencie, Rich Dwerlkotte 1989-3-24 27 Napa A few mi. N of Callistoga, along Hwy. 29 Comment
  RSA15623  Luzula comosa Carl B. Wolf 1928-2-25 1484 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  JEPS126044  Luzula comosa var. comosa Jake Ruygt 1992-3-18 2855 Napa Next to south lake, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  CAS-BOT-BC342615  Madia anomala R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6671 Napa 6 mi. NE. of Pacific College (Howell Mt.) on road to Aetna Springs Comment
  UC175969  Madia citriodora J. P. Tracy 1902-5-21 1600 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain, head of Moore's Creek 457 Comment
  JEPS40381  Madia elegans W. L. Jepson 1937-9-29 18570 Napa on road to sanitarium; St. Helena Comment
  UCD135709  Madia elegans Bruce G. Baldwin 1986-8-23 623 Napa 0.4 mile west of summit of California State Highway 29 at Robert Louis Stevenson State Park (ca. 0.1 mile west of park boundary). Comment
  UCD161610  Madia elegans Jake Ruygt 2000-10-9 4286 Napa Snell Peak. 457 Comment
  UCD161749  Madia elegans Jake Ruygt 1995-6-5 3489 Napa about 2 miles south of Lake Hennessey on private road (Taylor). 408 Comment
  JEPS129025  Madia elegans subsp. densifolia Jake Ruygt 2016-7-23 6292 Napa Smittle Creek, west side of Lake Berryessa. Chiles VAlley 7.5' Quad. Comment
  POM285001  Madia elegans subsp. elegans Lyman Benson 1933-8-23 5686 Napa Mt. St. Helena, Mayacamas mountain range, Napa Valley watershed 305 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
  CAS-BOT-BC343200  Madia gracilis David D. Keck 1933-5-29 2343 Napa Pope Creek Bridge south of Walters Springs Comment
  UCD48577  Madia gracilis Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 237 Comment
  CAS-BOT-BC343205  Madia gracilis H. M. Hall 1931-5-26 13088 Napa Napa Range, west side Comment
  CAS-BOT-BC345045  Madia sativa Peter H. Raven 1952-5-26 4042 Napa St. Helena to Howell Mt. 304 Comment
  CAS-BOT-BC345056  Madia sativa John Thomas Howell 1932-9-17 10759 Napa 3 miles west of Napa Comment
  UCD83743  Madia sativa Ellen Dean; Yuan-chun Han, Surene Foutouhi 2010-5-7 5992 Napa Along Wooden Valley Road; E side of the road; Lamb Vineyard property. 176 Comment
  CAS-BOT-BC345048  Madia sativa David D. Keck 1933-5-28 2326 Napa Just north of Yountville Comment
  RSA434859  Malacothamnus helleri Peter H. Raven 1965-5-15 20205 Napa On divide between Zim Zim Creek and Nevada Creek, 5 miles SSE of Knoxville 396 Comment
  JEPS106900  Malacothrix clevelandii Jake Ruygt 1982-5-15 1260 Napa Stag's Leap on Soda Canyon side. Yountville 7.5' Quad. 426 Comment
  UCR196235  Malacothrix clevelandii Jake Ruygt 2005-6-1 4885 Napa Knoville Wildlife Area, Blue Ridge, 1 mi north of Mays Flat 630 Comment
  UC33286  Malacothrix floccifera Edw. L. Greene July, 1891 Napa St. Helena Comment
  UC518945  Malacothrix floccifera David D. Keck 1933-5-29 2368 Napa s of Walters Springs (Pope Creek bridge); Pope Creek Comment
  UCD18068  Malacothrix floccifera Ellen Dean; with Plant Biology 102 class 2000-4-22 623 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
  UCR43203  Malacothrix floccifera L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  UCD134379  Malacothrix floccifera M. Ensign 1943-5-28 327 Napa 26 miles from Monticellow on road to Lower Lake. Comment
  JEPS106389  Marah fabacea Jake Ruygt 1976-4-23 17 Napa 2.1 miles NE of Silverado Trail on Deer Park Rd. 213 Comment
  UCD81822  Marah fabacea Ellen Dean 2009-4-24 5449 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UC28925  Marah fabacea Willis L. Jepson 1893-4-27 Napa Napa City Napa River Basin Comment
  UCR242400  Marah watsonii Ellen Dean, Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 606 Napa North Coast Range, McLaughlin Reserve, c. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along the old road that climbs up ridge on east side 537 Comment
  UCD164760  Marah watsonii Jake Ruygt 2004-3-4 5915 Napa Sutro Ranch, Atlas Peak. 685 Comment
  JEPS129146  Marrubium vulgare Jake Ruygt 1978-5-4 287 Napa Trancas St. and Soscol Ave., Napa 7.5' Quad. Comment
  JEPS120339  Marsilea vestita subsp. vestita Jake Ruygt 1992-6-13 3037 Napa Bear Valley, pond at the south end. Detert Reservoir 7.5' Quad. Comment
  JEPS126123  Medicago praecox Jake Ruygt 2010-4-24 5518 Napa Pope Canyon Road, just west o road summit. Walter Springs 7.5' Qua. Comment
  CAS-BOT-BC269415  Melica californica California Academy of Sciences 1870-5-2 s.n. Napa Oakville Comment
  CAS-BOT-BC269418  Melica californica John Thomas Howell 1931-4-3 6123 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  UC771210  Melica californica W. S. Boyle 1942-4-25 1071 Napa 10 mi n Napa (on the Silverado Trail road) Comment
  UCD41416  Melica californica Mark Bibbo; Ellen Dean, Burak Pekin, Alex Lee 2003-4-26 129 Napa California, Napa County, McLaughlin UC Reserve. Along Knoxville-Berryessa Road, just W of turnoff to old town site of Knoxville, side of road. 487 Comment
  UCD86929  Melica californica Beecher Crampton 1962-5-16 6438 Napa Napa county. 0.5 mile east Chiles Valley School, along state Hwy. 128. Comment
  SEINET5322427  Melica californica M. Mooney 1982-4-17 452 Napa Stebbins-Cold Canyon Nature Preserve, south of dam at Lake Berryessa 91 Comment
  UC964731  Melica geyeri W. S. Boyle 1942-4-25 1072 Napa 7 mi s Calistoga (along Silverado Trail Road) Comment
  CAS-BOT-BC264220  Melica torreyana Joseph P. Tracy 1933-6-2 12477 Napa Hills head of Moore's Creek, 3.4 miles east of Angwin's, Howell Mountain 396 Comment
  RSA125878  Melica torreyana P. H. Raven 1957-5-5 10760 Napa Hills at western edge of Calistoga. 152 Comment
  SBBG115838  Melica torreyana B. Crampton 1958-4-29 4756 Napa Capell Crks, N end of Capell Valley Comment
  SEINET200624 Image available Melica torreyana J. P. Tracy 1933-6-2 12465 Napa Howell Mtn Rd 5 mi E of St Helena 305 Comment
  UCD21500  Melica torreyana Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4402 Napa Quail Ridge Reserve. 268 Comment
  UCD38823  Melica torreyana Beecher Crampton 1958-4-29 4756 Napa Capell Creeks. Comment
  UCD88865  Melica torreyana Beecher Crampton 1962-5-16 6439 Napa Napa county. 1/4 mile n.w. junction State Hwy 128 and Spanish Flat -- Lake Berryessa. Comment
  UC126552  Melissa officinalis Harley P. Chandler Sep 7 1906-Sep 14 1906 7107 Napa Alta Loma Ranch, Howell Mt. Howell Mt., Alta Loma Ranch 487 Comment
  CHSC102250  Mentha X piperita Lowell Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 134 Comment
  JEPS115773  Mentha pulegium Lowell Ahart 2009-10-12 16440 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  UCD73516  Mentha pulegium Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS42861  Mentzelia laevicaulis var. laevicaulis John Thomas Howell 1927-8-24 3048 Napa sw Walter's Springs (near Pope Valley Creek); Napa Range Comment
  UCD164762  Micranthes californica Jake Ruygt 2014-4-7 5920 Napa Sutro Ranch, south end near Foss. 519 Comment
  UCD159957  Micropus californicus Alice Warrick 2007-4-20 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Along roadside on the way to burn site. 243 Comment
  UCD18097  Micropus californicus Ellen Dean; with PLB 102 class 2000-4-29 753 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-BC348549  Micropus californicus var. californicus Peter H. Raven 1950-4-15 1754 Napa Wooden Valley Grade, above Napa 457 Comment
  UCD47915  Micropus californicus var. californicus Michele Disney; J. Westbrook, S. Ratay, R. Wolfson, A. Houser,S. Wathen 2000-4-22 16 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  CAS-BOT-BC348965  Microseris douglasii subsp. douglasii Brandegee No date on label s.n. Napa Suisun Comment
  CAS-BOT-BC348968  Microseris douglasii subsp. douglasii John Thomas Howell 1931-4-19 6449 Napa Conn Valley Comment
  JEPS106893  Microseris douglasii subsp. douglasii Jake Ruygt 1997-4-28 3837 Napa East of Highway 29, south of Kelley Road; American Canyon. Cuttings Wharf 7.5' Quad. 21 Comment
  JEPS36148  Microseris douglasii subsp. douglasii Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin, Conn Valley Comment
  UC50033  Microseris douglasii subsp. douglasii Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  UCD161530  Microseris douglasii subsp. douglasii Jake Ruygt 1991-5-29 2701 Napa Duhig Road about 1 mile south of Highway 12. 39 Comment
  JEPS106892  Microseris douglasii subsp. tenella Jake Ruygt 1981-4-18 976 Napa Harris Canyon 170 Comment
  JEPS110573  Mimulus angustatus Jake Ruygt 1990-5-5 2527 Napa south of Leoma Lakes; Wild Horse Valley Ranch 429 Comment
  UC147916  Mimulus arvensis J. P. Tracy 1899-6-11 362 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  JEPS10220  Mimulus aurantiacus var. aurantiacus Willis L. Jepson 1893-4-28 78 m Napa near Mt. George (Wooden Valley grade); Napa River Basin, Napa Mts. Comment
  UCD122427  Mimulus bolanderi S. E. Schoenig 1998-6-3 98- 20 Napa Research Hill, 0.1 mi. SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd., 1 mi. NW of Homestake mine. 655 Comment
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Apr 20 2017
  UC886118  Mimulus bolanderi M. Focht and R. Scott 1940-5-4 9667 Napa near mouth Pope Creek Comment
  UCD122512  Mimulus cardinalis D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  UC1239053  Mimulus cardinalis Freed W. Hoffman 1946-8-20 848 Napa Conn Dam North Coast Ranges Comment
  JEPS10573  Mimulus douglasii Willis L. Jepson 1893-3-13 60 m Napa hills e St. Helena; Napa River Basin, Howell Mt. foothills Comment
  JEPS110591  Mimulus floribundus Jake Ruygt 1989-6-17 2366 Napa Van Ness Canyon 597 Comment
  HSC58981  Mimulus guttatus G. E. Johnston 1974-4-4 1023 Napa Near Bell Canyon, close to the town of Angwin 427 Comment
  RSA114031  Mimulus guttatus Peter H. Raven 1957-5-5 10754 Napa Calistoga. Comment
  RSA309180  Mimulus guttatus W. L. Jepson 1893-5-1 13 Napa Calistoga. Comment
  SFV8685  Mimulus guttatus J. W. Riekels 1961-4-29 35 Napa Wragg Canyon. 0.25 miles north of State Highway 128. Near stream bed. 152 Comment
  JEPS110586  Mimulus kelloggii Jake Ruygt 1980-5-3 869 Napa Bear Valley 731 Comment
  UCD167999  Mimulus kelloggii James A. Neilson Jr. 1977-4-13 3866 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
  POM182672  Mimulus kelloggii D. D. Keck 1931-4-4 1089 Napa The Crater Country, 3.5 miles SE from summit of Mt. St. Helena, northern Napa Co. Comment
  JEPS128916  Mimulus latidens Juanita Duran 2000-4-18 4227 Napa Saint Helena; Spring street, 1.5 west of Highway. Rutherford 7.5' Quad. Comment
  UC1778558 Image available Mimulus layneae S. E. Schoenig 1998-6-5 98 -23 Napa 20 meters E of Ink Grade Rd., 0.5 miles NW of intersection with Howell Mtn Rd. 548 Comment
  JEPS11562  Mimulus microphyllus W. L. Jepson 1921-5-6 9170 Napa Yountville 30 Comment
  UC1301190  Mimulus microphyllus Helen K. Sharsmith 1963-3-17 5216 Napa s side Mt. Atlas; San Francisco Bay Region 609 Comment
  UC26939  Mimulus microphyllus Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  UC26989  Mimulus microphyllus W. L. Jepson 1893-4-26 Napa near La Lomita; Napa River Basin; Napa River Basin, near La Lomita Comment
  UC26994  Mimulus microphyllus Willis L. Jepson July 1892 Napa Knoxville Comment
  UCD122707  Mimulus nasutus L. P. Thibault 1995-5-21 52 Napa along Wragg Creek north side of Highway 128 about 3 mi. west of Wragg Canyon Rd. 250 Comment
  JEPS11347  Mimulus nasutus Willis L. Jepson 1893-5-1 5 m Napa near Calistoga; Napa River Basin, Upper Napa Valley Comment
  RSA183420  Mimulus nudatus J. M. Tucker 1965-5-15 3826 Napa Devilhead Road, Cedar Valley, 4 miles (airline) south and a little west of Knoxville 655 Comment
  RSA309394  Mimulus nudatus Robert F. Hoover 1941-4-26 4928 Napa Summit between Pope Valley and Butts Creek Comment
  SFV3393  Mimulus nudatus J. M. Tucker 1965-5-15 3826 Napa Devilhead Road, Cedar Valley. About 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  UC1778536  Mimulus nudatus S. E. Schoenig 1998-6-3 98 -19 Napa 200 meters W of Knoxville-Berryessa Rd. , 2 mi. S of Homestake mine;lat corrected from 35 426 Comment
  UCD122791  Mimulus nudatus S. E. Schoenig 1998-6-3 98- 19 Napa 200 m W of Knoxville-Beryyessa Rd., 2 mi. S of Homestake mine. 426 Comment
  UC1103332  Mimulus pulsiferae Joseph P. Tracy 1933-4-30 12105 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UC1746031  Mimulus pulsiferae Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2766 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  RSA129900  Mimulus tricolor Peter H. Raven 1951-5-26 2877 Napa Butts Canyon. 305 Comment
  UCD148764  Minuartia douglasii Jake Ruygt 2007-5-17 5177 Napa Napa County; Duff Ranch, NW of Potato Hill. 777 Comment
  CAS-BOT-BC388762  Minuartia douglasii Betty H. Johnson 1958-6-15 611 Napa Slope near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  UC76183  Monardella candicans Miss M. Alice King Napa St. Helena Comment
  CAS-BOT-BC220616  Monardella villosa Peter H. Raven 1950-6-20 2342 Napa In the Napa Range between Conn Valley & the Summit of Howell Mtn., Napa Range Comment
  CAS-BOT-BC220619  Monardella villosa John Thomas Howell 1929-5-30 4270 Napa On Pope Valley Creek near Samuels [Samuel] Springs, Napa Range Comment
  SEINET4173667 Image available Monardella villosa Jack Major 1961-6-13 545 Napa Monticello Dam, State Hwy 128 Comment
  UC25539  Monardella villosa subsp. villosa Edw. L. Greene July 1891 Napa Comment
  UCD170469  Monardella viridis Daniel Potter; Ninh Khuu 2016-6-18 898 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 456 Comment
  CAS-BOT-BC220696  Monardella viridis Willie Fottrell 1906-7-1 s.n. Napa Napa redwoods Comment
  SEINET10829406  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 371 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  UCD170447  Monolopia major Daniel Potter; Ninh Khuu 2017-5-14 919 Napa Knoxville Wildlife Area, along Nevada Creek. 330 Comment
  UC195823  Monolopia major C. F. Sonne Apr 1888 Napa field near Napa Junction Comment
  RSA0054950  Montia Keith E. Hoffmaster 1946-3-23 1218 Napa Along Napa-Monticello road. Comment
  JEPS5865  Montia fontana W. L. Jepson 1940-2-29 19499 Napa 4 mi se of Yountville (Napa Valley, Vicinity of San Francisco Bay); Napa Valley Comment
  JEPS112612  Montia parviflora Jake Ruygt 1991-5-11 2653 b Napa Howell Mountain Road, S of Ink Grade 551 Comment
  UCR151585  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa N end of Capell Valley, along State Hwy 128, above Capell Creek Comment
  CAS-BOT-BC515123  Muilla maritima John Thomas Howell 1926-3-27 1760 Napa Myrtledale Hot Springs, near Calistoga Comment
  UCD41471  Narcissus pseudonarcissus Ellen Dean; T. Starbuck, M. Starbuck, J. Bradford and family 2003-2-21 1351 Napa Quail Ridge UC Reserve. South end of Lake Berryessa, first peninsula, west of Monticello Dam. Along Decker Ridge Road where it joins with South Decker Canyon Road. 350 Comment
  UC1019315  Nassella cernua Peter H. Raven and G. L. Stebbins Jr. 1953-4-19 5332 Napa creek e Samuels Springs; Pope Creek 91 Comment
  CAS-BOT-BC260179  Nassella pulchra L. R. Abrams 1928-5-3 12232 Napa St. Helena Grade Comment
  CAS-BOT-BC260180  Nassella pulchra L. R. Abrams 1928-5-3 12232 Napa St. Helena Grade Comment
  UCD48420  Nassella pulchra M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 14 Napa Quail Ridge UC Reserve, northern tip of peninsula just north of power lines in open grassy saddle. 274 Comment
  CAS-BOT-BC60336  Nasturtium officinale Betty H. Johnson 1958-6-15 636 Napa Near Spring, 0.5 mile above Mount Mill House, 6.4 miles southwest of Middletown. Comment
  CAS-BOT-BC230261  Navarretia cotulifolia David D. Keck 1933-5-29 2350 Napa Just S of Pope Creek Bridge, S of Walters Springs Comment
  UC963810  Navarretia cotulifolia H. L. Mason 1933-4-30 7223 Napa n of Aetna Springs (near Napa-Lake county line); Inner North Coast Range Comment
  JEPS120321  Navarretia divaricata subsp. vividior Jake Ruygt 2007-5-17 5174 Napa Wildlake Ranch, near Potato Hill . Calistoga 7.5' Quad. Comment
  UCD167174  Navarretia divaricata subsp. vividior Jake Ruygt 1986-5-24 1788 Napa Table Mountain. 731 Comment
  SEINET14057637  Navarretia heterodoxa K. Brandegee 1910-7-27 139 Napa Angwin Comment
  UC143015  Navarretia intertexta Katharine Brandegee 1910-7-27 Napa near Angwin's Comment
  UC908407  Navarretia intertexta Herbert L. Mason 1935-5-30 8329 Napa between Lower Lake and Knoxville mine (Napa-Lake counties) Comment
  JEPS112533  Navarretia intertexta subsp. intertexta Jake Ruygt 1981-5-21 1033 Napa .3 mile south of Sage Canyon Rd. on Lower Chiles Valley Rd. 274 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
  JEPS112532  Navarretia intertexta subsp. intertexta Jake Ruygt 1994-6-14 3403 Napa near Butts Canyon, E of intersection with Ink Grade 231 Comment
  UC52368  Navarretia leucocephala subsp. bakeri J. P. Tracy 1903-5-16 1853 Napa near Calistoga; San Francisco Bay Region 91 Comment
  UCD167187  Navarretia leucocephala subsp. pauciflora Jake Ruygt 1990-4-21 2491 Napa Giles Mead Ranch, Atlas Peak Road. 487 Comment
  JEPS112554  Navarretia mellita Jake Ruygt 1982-7-17 1374 Napa Deer Park Rd. at Four Corners 414 Comment
  UC23709  Navarretia mellita Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  UCD36407  Navarretia mellita Beecher Crampton 1953-7-14 1512 Napa Napa County, 5 miles south of Middletown, northeast slope of Mount Saint Helena. Comment
  CAS-BOT-BC232655  Navarretia pubescens M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  UC527938  Navarretia pubescens R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6669 Napa 6 mi ne Pacific Union College (on road to Aetna Springs); Howell Mt. Comment
  SBBG115735  Navarretia pubescens B. Crampton 1953-5-19 1309 Napa ca. 4 mi S of Monticello along Hwy 128 Comment
  UCD167195  Navarretia pubescens Jake Ruygt 2010-6-5 5591 Napa Snell Valley, Missimer Preserve, 33 acre addition. 176 Comment
  UCD48629  Navarretia pubescens Robert E. Preston 1987-6-13 561 Napa CA: Napa Co.; common in dry grassy areas and along dirt road, ca. 1 mi ne of Snell Peak (Aetna Springs 7.5' quad). 335 Comment
  JEPS110947  Navarretia squarrosa Jake Ruygt 1986-7-12 1869 Napa Napa River south of confluence of Tulocay Creek 1 Comment
  JEPS70447  Navarretia squarrosa W. L. Jepson 1893-6-26 20949 Napa Howell Mt. Napa Range Comment
  HSC89995  Navarretia viscidula W. L. Jepson 1942-8-4 20731 Napa Adam-and-Eve Ridge, Howell Mtn. Comment
  SEINET10461258  Nemacladus montanus Rimo Bacigalupi, Lauramay T. Dempster; Guy T. Robbins 1954-5-25 Bacigalupi 4508 Napa Barren serpentine slopes above Soda Creek along State Highway 28, 8.2 miles east of Conn Lake (reservoir) Comment
  SEINET3156475  Nemophila divaricata L. S. Rose 1939-4-16 39087 Napa 10 miles NE of Napa, Wooden Valley Comment
  CAS-BOT-BC7191  Nemophila heterophylla Mary Katherine (Mrs.) Brandegee 1889-4-1 s.n. Napa St. Helena Comment
  UC24167  Nemophila heterophylla H. P. Chandler 1900-5-7 630 Napa Rutherford Comment
  UC606885  Nemophila heterophylla L. Constance 1938-4-22 2134 Napa above Dry Creek 2 mi w Yountville (Miyakama Mountains, North Coast Ranges); North Coast Ranges, Miyakama Mountains, above Dry Creek 457 Comment
  UCD37576  Nemophila heterophylla Beecher Crampton 1955-4-7 2452 Napa Napa County, at border with Solano and Yolo Counties, 7 miles west of Winters, 0.25 mile west of Recreation Beach of Putah Creek, Vaca Mountains, east facing slope of Cold Canyon. 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
  POM65290  Nemophila heterophylla C. F. Baker 1903-4-20 2610 Napa Mt. St. Helena. Comment
  SBBG6130  Nemophila heterophylla H. and M. Dearing 1939-4-30 3232 Napa Saint Helena Comment
  UCD23400  Nemophila heterophylla Eva Kurth 1977-4-10 182 Napa Corolla white. On rocky, SE facing slope 200 yds east of Monticello Dam on Highway 128. Comment
  JEPS3116  Nemophila menziesii Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas; near Atlas Comment
  RSA733621  Nemophila menziesii Keith E. Hoffmaster 1946-3-23 1076 Napa Napa range, along Napa-Monticello road. Comment
  UC126919  Nemophila menziesii H. P. Chandler 1906-4-17 6077 Napa Comment
  UCD120237  Nemophila menziesii G. L. Webster 1967-3-23 7494 Napa c. 1 mi S of Spanish Flat. 167 Comment
  UCD82053  Nemophila menziesii Robin McMaster 1972-4-22 69 Napa Pope Valley. Comment
  UC1031220  Nemophila menziesii Rolf Y. Berg 1954-4-8 Napa Highway 128 two mi s of e Monticello; s of e of Monticello Comment
  UCD23406  Nemophila menziesii Fumi Takeda 1977-4-4 1 Napa Flower blue but fades when mature. Highway 128, 6.4 miles southwest of Monticello Dam. Open foothill woodland. Moist, coarse clay soil. 182 Comment
  JEPS110862  Nemophila menziesii var. atomaria Jake Ruygt 1995-3-21 3409 Napa In small meadow on floodplain of creek; igneous rock; Mixed Evergreen Forest 108 Comment
  UCD166684  Nemophila parviflora var. parviflora Jake Ruygt 2005-4-25 4800 Napa lower Ritchey Creek.. 170 Comment
  CDA34663  Nicotiana acuminata var. multiflora L. Ahart 2009-10-12 16455 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  JEPS115764  Nicotiana acuminata var. multiflora Lowell Ahart 2009-10-12 16455 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 133 Comment
  UC419706  Nicotiana acuminata var. multiflora Mrs. H. P. Bracelin 1930-1 113 Napa near entrance Conn Creek (Sage Canyon); Sage Canyon Comment
  JEPS12384  Nicotiana quadrivalvis W. L. Jepson 1922-10-22 9838 Napa near mouth of Conn Creek; Napa Valley Comment
  UCD126721  Nicotiana quadrivalvis J. M. Tucker; C. H. Lamoureux 1958-6-8 3403 Napa State Highway 128, 2.7 miles northeast of Rutherford. Comment
  JEPS113972  Odontostomum hartwegii Jake Ruygt 1978-5-14 311 Napa .6 mile north of Oakville Cross Road on Silverado Trail. Yountville 7.5' Quad. Comment
  JEPS62079  Odontostomum hartwegii Willis L. Jepson 1894-5-1 Napa near St. Helena (rd. to Upper Conn Valley); Napa R. Valley Comment
  UC12463  Oemleria cerasiformis W. L. Jepson 1893-5-5 Napa Middleton; Mt. St. Helena Comment
  JEPS43956  Oenothera elata subsp. hirsutissima W. L. Jepson 1895-11-26 14492 Napa White Sulphur Springs Creek bed Napa Valley Comment
  JEPS110572  Orobanche fasciculata Jake Ruygt 1992-5-20 2992 Napa west of Leoma Lakes, Wild Horse Valley Ranch 432 Comment
  UCD123203  Orobanche fasciculata W. M. Grannell 1950-4-27 17 Napa Putah Canyon. Comment
  JEPS120331  Orobanche uniflora Jake Ruygt 2005-5-11 4830 Napa Cub Valley, south of Bear Valley. Detert Reservoir 7.5' Quad. Comment
  RSA10689  Orthocarpus attenuatus Carl B. Wolf 1928-5-3 1798 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA671053  Orthocarpus faucibarbatus G. Fred Hrusa 1995-4-2 12047 Napa SE corner of Chiles-Pope Valley Rd and Hwy 128 heading up Salt Canyon, upper end of Hennessey Res. 200 Comment
  RSA292970  Orthocarpus lithospermoides Reino Alava 1957-5-30 1011 Napa About 0.7 mile west of the Chiles Valley School. Comment
  JEPS15890  Osmorhiza berteroi John Benson 1887-1-1 Napa Comment
  JEPS85029  Osmorhiza berteroi Larry Heckard and Mary Ashton 1969-5-3 2210 Napa off Atlas Peak Rd ca 7 mi ne Napa; Mead Ranch 457 Comment
  JEPS122734  Oxalis micrantha Jake Ruygt 1993-4-13 3206 Napa Yountville Ecological Reserve, Yountville Cross Road. Quad: Yountville. Comment
  UC87211  Packera clevelandii Katharine Brandegee 1910-7-2 Napa near Aetna Springs Comment
  UCD134745  Packera clevelandii Robert E. Preston 1987-6-18 565 Napa 1.4 mile northeast of Big Basin. 414 Comment
  SEINET11744634 Image available Packera clevelandii J. P. Tracy 1905-7-6 2221 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles east of Angwin's 366 Comment
  UCD37945  Packera eurycephala Beecher Crampton 1962-5-16 6427 Napa 0.75 mile E of Aetna Springs. 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
  OBI15493  Packera greenei Robert F. Hoover 1966-5-28 9878 Napa Just S of summit on Butts Cyn rd from Pope Valley Comment
  UCD33483  Panicum capillare Beecher Crampton 1968-10-1 8386 Napa Napa County, ca. 3 miles north of Moskowite Corner on Hwy. 128. Comment
  UCD89389  Panicum capillare Virginia Bufford 1936-9-20 435 Napa West place near Mineral Spring-Lower Lake-Knoxville Road. Comment
  UC1746158  Parvisedum pumilum Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2759 Napa Howell Mtn. Road near Angwin Creek crossing. Comment
  UCD38860  Paspalum dilatatum Beecher Crampton 1962-10-9 6699 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  UC218897  Passiflora caerulea Katharine Brandegee 1910-7-11 Napa Calistoga Comment
  CHSC20924  Pedicularis densiflora Virginia A. Holsinger 1964-3-24 34 Napa West of Napa. 213 Comment
  UC480620  Pedicularis densiflora Mrs. Linsdale 1929-4-13 Napa Calistoga Comment
  JEPS10357  Pedicularis densiflora Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Peak 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
  SEINET5737917 Image available Pedicularis densiflora Mark Cary 1971-1 37 Napa State Hwy 128, 18.35 miles east of the Sonoma-Napa County line. Comment
  UCD20506  Pellaea andromedifolia E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1079 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  RSA602575  Pellaea mucronata L. C. Wheeler 1952-8-30 6882 Napa Manganese Ridge. Moore Creek, Howell Mountain 366 Comment
  UC197940  Pellaea mucronata var. mucronata C. F. Sonne 1895-4-1 Napa Soda Springs Comment
  UCD124215  Penstemon heterophyllus M. Ensign 1943-5-28 321 Napa 17 miles from Monticello on road to Lower Lake. Comment
  POM204007  Penstemon heterophyllus subsp. heterophyllus M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  RSA92803  Penstemon heterophyllus subsp. heterophyllus Peter H. Raven 1951-6-26 3059 Napa Wooden Valley Grade. 305 Comment
  JEPS110744  Penstemon heterophyllus var. heterophyllus Jake Ruygt 1979-6-2 666 Napa 4.7 miles north of Monticello Rd. on Atlas Peak Rd. 347 Comment
  UC185341  Penstemon heterophyllus var. heterophyllus Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  UC146236  Penstemon heterophyllus var. purdyi J. P. Tracy 1902-5-16 1486 Napa 3-4 mi e Angwin's (head of Moore's Creek); , Howell Mountain 457 Comment
  UC397392  Penstemon heterophyllus var. purdyi Katharine Brandegee 1910-7-27 Napa Angwin's Comment
  SEINET11052858  Penstemon laetus Joseph Andorfer Ewan 1934-4-30 8861 Napa Near Samuel Spgs. above Monticello Pope Valley Grade Comment
  JEPS101496  Penstemon newberryi var. sonomensis Dean W. Taylor 1998-6-3 16465 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 594 Comment
  CDA11621  Pentagramma triangularis G. F. Hrusa, G. L. Stebbins 1994-3-11 11595 Napa North Coast Biodiversity Arena; Las Posadas State Forest. E of Fire Station in upper drainage of Moore Creek. Comment
  CAS-BOT-BC71672  Pentagramma triangularis subsp. triangularis Elsa G. Ruckert 1960-3-12 23 Napa on private road leading in to 6495 Dry Creek Road 365 Comment
  JEPS103985  Pentagramma triangularis subsp. triangularis Jake Ruygt 1979-12-19 801 Napa Spring Mountain Winery (Falconcrest) 146 Comment
  UC178642  Perideridia gairdneri subsp. gairdneri K. Brandegee Aug. 1888 Napa Howell Mountain Comment
  JEPS12438  Perideridia kelloggii Willis L. Jepson 1901-8-6 1727 Napa Howell Mt. grade Napa River Basin Comment
  UCD167138  Perideridia oregana Jake Ruygt 2015-5-23 6109 Napa Missimer - Snell Valley Preserve. 178 Comment
  JEPS37159  Petasites frigidus var. palmatus Mrs. C. A. Hunt 1909-3-25 Napa Comment
  UCD47959  Petrorhagia dubia M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 1 Napa McLaughlin UC Reserve. SW of old town of Knoxville on N side of Knoxville-Berryessa Rd. 426 Comment
  CAS-BOT-BC134011  Phacelia distans John H. Thomas 1955-5-21 5113 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UC24346  Phacelia distans Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  JEPS78804  Phacelia distans John W. Willoughby 1977-4-20 2142 Napa latitude approximately that of Mt. Vaca west side of Vaca Mountains 457 Comment
  JEPS2147  Phacelia egena W. L. Jepson 1924-5-8 10413 Napa Pope Creek Comment
  RSA51274  Phacelia egena Peter H. Raven 1950-5-6 2008 Napa Dry bed of the west branch of the Napa River where it meets route 29 approximately one mile west of Calistoga. 91 Comment
  UCD48043  Phacelia imbricata M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 6 Napa McLaughlin UC Reserve. SW of old town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 Comment
  UCD148845  Phacelia imbricata subsp. imbricata Ellen Dean; Diana Hickson 2014-4-29 8148 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  JEPS68361  Phacelia suaveolens L. R. Heckard 1972-6-26 2995 Napa se lookout (rocky flat near radar station); Mt. St. Helena 1219 Comment
  UCD48041  Phacelia tanacetifolia M. K. Voigt; E. Sweeney, and M. Miller 2002-4-13 2 Napa McLaughlin UC Reserve. SW of old town of Knoxville on N side of Knoxville-Berryessa Rd. 426 Comment
  JEPS122961  Phalaris aquatica Jake Ruygt 1982-6-29 1343 Napa 0.6 mile south of Yountville on Highway 29. Quad: Yountaville. Comment
  POM261554  Phalaris californica J. T. Howell 1940-5-19 15444 Napa Near Calistoga Comment
  JEPS122958  Phalaris paradoxa Jake Ruygt 1988-5-29 2207 Napa Northeast corner of Napa County; Homestake. Quad: Jericho Valley. Comment
  CAS-BOT-BC250851  Phleum pratense Peter H. Raven 1951-6-26 3048 Napa E. of Napa on Monticello Rd. 60 Comment
  UCD49307  Phoradendron leucarpum subsp. tomentosum A. Collier; D. Caterson and S. Kenady 2002-5-4 19 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Located 20 m W of path leading to tip of the peninsula, in vicinity of power lines. 274 Comment
  CAS-BOT-BC171139  Phoradendron serotinum subsp. tomentosum J. J. Walters 1932-3-6 s.n. Napa St. Helena Comment
  JEPS122937  Phragmites australis Jake Ruygt 1987-10-17 2112 Napa Fagan's Marsh. Quad: Cuttings Wharf. Comment
  SEINET12320621  Phyla nodiflora C. W. Tilforth, Dourley, J. 1979-1 1858 Napa 0.4 MI S of Park Headquarters, W side of Lake Berryesa 137 Comment
  CDA34680  Physalis lancifolia L. Ahart 2009-10-27 16500 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  JEPS110922  Physalis philadelphica Jake Ruygt 1969-12-31 418 Napa Napa River south of Trancas St., Napa 3 Comment
  JEPS110555  Physocarpus capitatus Jake Ruygt 1987-5-16 1994 Napa Devil's Canyon 582 Comment
  UC466696  Physocarpus capitatus H. P. Chandler 1907-5-12 7565 Napa White Sulphur Spring St. Helena Comment
  CDA12114  Pickeringia montana G. F. Hrusa 1989-5-2 7185 Napa North Coast Biodiversity Arena; Hwy 128 approx. 1/2 mile S of Knoxville-Berryessa Rd. intersection. Comment
  UCD108157  Pickeringia montana Beecher Crampton 1959-11-2 BC- 111 Napa North end of Capell Valley, above Capell Creek. Comment
  CAS-BOT-BC202267  Pickeringia montana var. montana Belle R. Jackson 1939-6-11 s.n. Napa Mead Ranch, Atlas Way, Napa Mts. Comment
  UCD161609  Pickeringia montana var. montana Jake Ruygt 1999-7-17 4207 Napa Red Hill, south side of Mt. St. Helena. 731 Comment
  JEPS103974  Pilularia americana Jake Ruygt 1996-5-19 3712 Napa West of Barnett Road near Burton Creek, (Peju Pr)Pope Valley. 201 Comment
  UCD147464  Pilularia americana Ellen Dean; Diana Hickson 2014-4-29 8077 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  SD136373  Pinus attenuata Carl B. Wolf 1928-2-25 Napa Mount Saint Helena Grade Comment
  SEINET12527538  Pinus ponderosa var. ponderosa D. A. Charlet, Dene Charlet 2005-1-1 2861 Napa Robert Lois Stevenson State Park, Saint Helena Creek drainage, Mayacmas Mountains; west side of highway near trailhead, w 600 Comment
  JEPS46897  Pinus sabiniana W. L. Jepson 1901-8-1 Napa St. Helena Comment
  JEPS120444  Piperia transversa Jake Ruygt 1995-6-17 3503 Napa Southeast corner of Butts Canyon Road at Snell Valley Rd. Comment
  UCR205996  Plagiobothrys bracteatus Jake Ruygt 1996-5-13 3667 Napa 0.9 mi south of Pope Canyon Road on Hardin Road 184 Comment
  UCD74379  Plagiobothrys bracteatus Jake Ruygt 1996-5-13 3667 Napa 0.9 mile south of Pope Canyon Road on Hardin Road. 183 Comment
  UCD161339  Plagiobothrys canescens Jake Ruygt 1983-4-21 1440 Napa Suscol Ridge west of Highway 221. (Coordinates estimated by label maker at UC Davis). Comment
  UCD120817  Plagiobothrys canescens M. Wiesendanger 1927-5-4 675 Napa Near Monticello. Comment
  JEPS106763  Plagiobothrys nothofulvus Jake Ruygt 1984-3-31 1521 Napa Devil's Canyon 384 Comment
  UCD169884  Plagiobothrys nothofulvus Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 723 Napa Knoxville Wildlife Area. 352 Comment
  UCD20918  Plagiobothrys nothofulvus V. (Shorty) Boucher 2002-3-27 9 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. Comment
  POM182804  Plagiobothrys nothofulvus H. P. Chandler 1907-3-30 s.n. Napa Road to Toll House. Comment
  RSA0051321  Plagiobothrys nothofulvus Keith E. Hoffmaster 1946-3-23 1040 Napa Napa range, along Napa-Monticello road. 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
  UC192203  Plagiobothrys stipitatus C. F. Sonne Apr 1887 Napa Napa Junction Comment
  CAS-BOT-BC228490  Plagiobothrys strictus John Thomas Howell 1926-3-28 1778 Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC228495  Plagiobothrys strictus Alice Eastwood 1900-5-7 s.n. Napa Calistoga Comment
  CHSC79269  Plagiobothrys strictus Beecher Crampton 1955-4-4 2388 Napa 2 miles north of Calistoga. Comment
  UCD74385  Plagiobothrys tenellus Jake Ruygt 1980-3-22 811 a Napa Ridge on north side of Snell Valley. 268 Comment
  JEPS110788  Plantago coronopus Jake Ruygt 1994-6-7 3396 Napa Calistoga Airport 109 Comment
  UCD170831  Plantago erecta 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 135 Comment
  UCD69078  Plantago erecta P. Rodriguez-Rojo 1997-5-31 Napa Lake Berryessa. Capell Creek. Base of barrens, on serpentine soils. UTM: 10SEN6659 155 Comment
  CHSC59778  Plantago lanceolata William Schlack 1975-5-16 33 Napa Zinfandel Lane, 2 miles west of State Highway 29. 91 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
  JEPS51578  Platystemon californicus W. L. Jepson 1915-4-23 6240 Napa St. Helena Comment
  UCD170190  Platystemon californicus Daniel Potter; Ninh Khuu, Ellen Dean 2015-3-22 767 Napa Knoxville Wildlife Area, east of Zim Zim Falls. 385 Comment
  UCD82051  Platystemon californicus Robin McMaster 1972-4-22 66 Napa Pope Valley. Comment
  CAS-BOT-BC91874  Platystemon californicus H. L. Mason 1926-3-22 2793 Napa Between Calistoga and Petrified Forest. Comment
  JEPS4816  Plectritis brachystemon Miss R. Kuhn 1912-5-28 Napa Oakville 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
  UC917296  Plectritis ciliosa subsp. ciliosa J. D. Skoss 1948-4-1 1 Napa 14 mi w of Winters (Putah Canyon); Putah Canyon Comment
  JEPS14271  Plectritis macrocera L. T. Dempster 1954-5-25 P 10 A Napa at site of bridge across Putah Creek, near proposed Monticello Dam Putah Creek Comment
  UC1145108  Pleuropogon californicus Joseph P. Tracy 1938-6-6 15844 Napa between Napa City and Yountville Napa City; Napa Valley 30 Comment
  UC71014  Pleuropogon californicus Willis L. Jepson May 1892 Napa Napa Valley , Napa River Basin (Napa River Basin) Comment
  UCD91105  Poa howellii Beecher Crampton 1956-5-25 3483 Napa Howell Mtns. Comment
  CAS-BOT-BC246849  Poa napensis Peter H. Raven 1957-5-5 10737 Napa Field near the hot springs at the airport, Calistoga Comment
  UC187221  Poa napensis Joseph P. Tracy 1903-5-15 1862 Napa Calistoga Hot Springs Calistoga; Northern Coast Ranges 91 Comment
  UCD91550  Poa napensis Beecher Crampton 1955-5-9 2750 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  CDA10914  Poa secunda G. F. Hrusa, M. Rejmanek 1993-5-15 11010 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS122927  Poa secunda subsp. secunda Jake Ruygt 1991-5-25 2698 Napa Paradise Valley. Quad: Jericho Valley. Comment
  UCD36942  Poa secunda subsp. secunda Beecher Crampton 1956-5-25 3463 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UC1239670  Pogogyne douglasii Joseph P. Tracy 1903-5-15 1863 Napa Napa Valley, near Calistoga 91 Comment
  UC25589  Pogogyne douglasii W. H. Brewer 1861-11-4 855 Napa Napa Valley Comment
  UCD160766  Pogogyne serpylloides Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8636 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
  SEINET6044076  Polycarpon tetraphyllum Unknown 1943-6-20 18242 Napa Hills west of Napa Valley between St. Helena and Mt. St. John. Comment
  UCD98415  Polycarpon tetraphyllum John Thomas Howell 1943-6-20 18242 Napa hills west of Napa Valley between St. Helena and Mt. St. John. 228 Comment
  UCD63348  Polygala californica Daniel Sanchez-Mata 2006-6-15 s.n. Napa Moskowite Corners-Spanish Flat. Capell Valley. Capell Valley Road close to Capell Creek. 220 Comment
  UCD68049  Polygala californica Allen Barnes 1976-6-1 25 Napa on highway 128, 3.9 miles northwest of Moskowite Corners, approximately 200 yds west of roadside. Comment
  JEPS112598  Polygonum amphibium var. emersum Jake Ruygt 1991-8-8 2829 Napa east side of Lake Orville, Friesen's Lakes, Angwin 557 Comment
  UC1562686  Polygonum aviculare subsp. depressum Barbara Ertter with Elizabeth Neese 1988-10-2 7971 Napa ca 15 air mi nnw Napa (e of boat-launching ramp on se edge); North Coast Ranges, Conn Creek, Lake Hennessey 91 Comment
  CAS-BOT-BC109160  Polygonum bolanderi Alice Eastwood 1915-6-6 4683 Napa Mount Saint Helena. Comment
  JEPS110849  Polygonum bolanderi Jake Ruygt 1997-11-24 3878 Napa East of Chimney Rock , between Soda Canyon and Silverado Tr 152 Comment
  UC6670  Polygonum bolanderi Brewer 1861-11-11 854 Napa Napa Valley Comment
  JEPS110757  Polygonum californicum Jake Ruygt 1990-6-11 2592 Napa City of Napa, Milliken Reservoir watershed property 356 Comment
  CAS-BOT-BC414385  Polygonum californicum Mrs. H. P. Bracelin 1930-10-19 118 Napa About 1 mi. S. of Etna [Aetna] Springs Comment
  CAS-BOT-BC414388  Polygonum californicum W. H. Brewer 1861-11-4 856 Napa Napa Valley, east of Camp 64 609 Comment
  UC1198080  Polygonum lapathifolium Joseph P. Tracy 1905-7-3 2204 Napa near Calistoga; Northern Coast Ranges, Napa Valley Comment
  RSA170233  Polygonum parryi Joseph P. Tracy 1950-5-23 18665 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  CAS-BOT-BC419846  Polygonum patulum John Thomas Howell 1932-10-8 10799 Napa Cuttings Wharf on Napa River Comment
  CDA11155  Polygonum punctatum G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11566 Napa North Coast Biodiversity Arena; Sarco Creek, N side of Mt. George, 10 mi. NE of city of Napa. Comment
  CAS-BOT-BC420987  Polygonum spergulariiforme Betty H. Johnson 1958-6-15 615 Napa Near St. Helena River [Creek], 6.4 mi. S-W of Middletown Comment
  JEPS116557  Polypodium calirhiza Jake Ruygt 2005-3-26 4712 Napa Marie Creek, below old dam. Mount George 7.5' Quad. Comment
  CHSC102289  Polypogon interruptus Lowell Ahart 2009-10-12 16466 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  RSA769222  Polypogon monspeliensis L. Ahart 2009-10-12 16465 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  UCD169866  Polypogon monspeliensis Daniel Potter; Peter Lash 2015-4-26 801 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 444 Comment
  UCD91435  Polypogon viridis Collector Unknown 1941-6-1 s.n. Napa Road from Napa to Locoya. Comment
  CAS-BOT-BC72465  Polystichum munitum Evelina Cannon 1901-7-20 s.n. Napa Johannisberg, side of Mt. Veeder Comment
  UCD164807  Populus trichocarpa Jake Ruygt 1998-6-13 4021 Napa Milliken Creek south of Foss Valley. 405 Comment
  CHSC102296  Portulaca oleracea Lowell Ahart 2009-10-12 16472 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  JEPS122748  Proboscidea lutea Jake Ruygt 2006-9-10 5100 Napa West side of Highway 29, south of Darms Lane. Quad: Napa. Comment
  UCD73851  Prosartes hookeri Ellen Dean; S. Rae 2008-5-21 4986 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 196 Comment
  CAS-BOT-BC508643  Prosartes hookeri Peter H. Raven 1964-5-9 19046 Napa Along dirt road 2 miles west of Aetna Springs Comment
  UCD166659  Prosartes hookeri Jake Ruygt 1990-4-4 2459 Napa Skyline Park on Lake Marie trail, 1/4 [mile] from lake. 201 Comment
  UC1198771  Prunus emarginata Joseph P. Tracy 1933-4-30 12114 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, La Jota Plateau, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  CAS-BOT-BC151176  Prunus subcordata W. L. Jepson 1891-6-1 s.n. Napa In the Vaca Mts. Comment
  UC1543127  Prunus subcordata Charlotte G. Nast 1936-3-27 65 Napa Childs Canyon Comment
  JEPS106912  Pseudognaphalium beneolens Jake Ruygt 1979-8-14 796 Napa Suscol Hill at HWY 29 (121) 30 Comment
  JEPS106913  Pseudognaphalium beneolens Jake Ruygt 1986-7-22 1883 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 457 Comment
  JEPS20434  Pseudognaphalium beneolens W. L. Jepson 1938-9-22 19017 Napa Howell Mt. 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
  JEPS20355  Pseudognaphalium microcephalum W. L. Jepson 1895-11-27 14759 Napa near St. Helena; White Sulphur Springs Comment
  CAS-BOT-BC357567  Pseudognaphalium stramineum Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  UCD161687  Pseudognaphalium stramineum Jake Ruygt 2008-8-16 5367 Napa northeast of Napa Airport, Napa Sanitation ponds. 2 Comment
  CAS-BOT-BC80151  Pseudotsuga menziesii Alice Eastwood 1918-5-1 6853 Napa Mt. St. Helena Comment
  SEINET265709  Pseudotsuga menziesii Royal D. Suttkus 1967-6-26 67- 30 -14 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UC176863  Psilocarphus oregonus J. P. Tracy 1902-5-19 1551 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 518 Comment
  CAS-BOT-BC421126  Pterostegia drymarioides Peter H. Raven 1953-4-2 5248 Napa Hills e. of Imola 121 Comment
  UCD92252  Puccinellia simplex R. Tofsrud 1949-4-1 s.n. Napa Calistoga, Myrtledale Hot Springs. Comment
  UCD167051  Pyrola picta Jake Ruygt 1990-5-19 2558 Napa 1/2 mile north of Diamond Mtn. Rd. on HWY 29. 152 Comment
  CDA11895  Quercus X chasei G. F. Hrusa, G. L. Stebbins 1994-4-8 11725 Napa North Coast Biodiversity Arena; Large tree along road at Aetna Springs resort. Comment
  JEPS116571  Quercus X chasei Jake Ruygt 1982-3-22 1141 Napa Sugarloaf Mountain near Skyline Park. 7.5' Mount George Quad. Comment
  UCD45050  Quercus agrifolia David Lawfer 1952-3-30 140 Napa Pasture, Napa, Napa County, California. Comment
  SEINET12034184  Quercus agrifolia Unknown 1942-1 s.n. Napa Calistoga 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
  UCD45211  Quercus berberidifolia Thomas Morley 1941-5-11 126 Napa On west bank of Putah Creek immediately above junction with Butts Creek, Napa County. Comment
  UCD45242  Quercus berberidifolia J. M. Tucker; G. L. Stebbins 1950-11-5 2004 Napa California, Napa Co.; 11.5 mi. northwest of Monticello, beside road to Pope Valley; shrubs on steep hillside. (Sheet No. 1. Each twig from a separate shrub.) Comment
  UCD45854  Quercus berberidifolia Thomas Morley 1941-5-11 128 Napa On west bank of Putah Creek immediately above junction with Butts Creek, Napa County. Elevation 461 feet. 140 Comment
  SACT002631  Quercus chrysolepis John Willoughby 1977-2-1 Napa East side of Mount Vaca, just below summit along road, near stand of Torreya californica, in chaparral. Comment
  SEINET3090837 Image available Quercus chrysolepis Royal D. Suttkus 1967-6-26 67- 30 -6 Napa Clearly Reserves 7.2 miles northwest of Pope Valley. Comment
  UC1135373  Quercus chrysolepis J. B. Spring, R. W. Lundh 1932-6-27 89 Napa 1.5 mi s and 0.25 mi e McCormack Ranch; Santa Rosa Quad. 548 Comment
  CAS-BOT-BC85937  Quercus douglasii John Thomas Howell 1927-8-23 3043 Napa On hills on N side of Chiles Valley, Napa Range 213 Comment
  UC1196502  Quercus douglasii Joseph P. Tracy 1933-4-30 12085 Napa 5 mi e Angwin's; Howell Mountain, Moores Creek Comment
  UC993144  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
  UC993148  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
  UCD14551  Quercus douglasii John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -12 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; Comment
  UCD45676  Quercus douglasii Frank W. Gould 1939-4-6 600 Napa Eleven miles east of Napa. Comment
  CAS-BOT-BC79838  Quercus durata C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  JEPS37346  Quercus durata W. L. Jepson 1895-11-25 Napa La Jota Plateau Howell Mt. Comment
  UCD14803  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2006 -2 Napa California, Napa Co.; beside road up Howell Mountain, ca. 6 mi. north of St. Helena; Comment
  UCD14810  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -12 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14816  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -33 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14828  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -29 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14847  Quercus durata John M. Tucker 1950-11-12 2014 -26 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD149561  Quercus durata G. Ledyard Stebbins 1994-4-15 s.n. Napa Berryessa Dam. Comment
  UCD45934  Quercus durata D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Mac Laughlin UC Natural Reserve. 680 Comment
  UCD45947  Quercus durata G. F. Hrusa; M. Hooper 1995-9-12 12463 Napa Serpentine margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam. 100 Comment
  UCD45971  Quercus durata D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. 380 Comment
  HSC71371  Quercus durata var. durata J. P. Smith, J. O. Sawyer 1970-5-17 3784 Napa 8 mi. N of Pope Valley Comment
  SBBG111357  Quercus durata var. durata J. M. Tucker, G. L. Stebbins 1950-11-5 2007 -33 Napa Howell Mtn, N of St Helena Comment
  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
  UCD45910  Quercus durata var. durata Thomas Morley 1941-5-11 129 A Napa On north bank of Butts Creek 1/4 mile west of its junction with Putah Creek, Napa County. Elevation 480 feet. 146 Comment
  UCD45916  Quercus durata var. durata J. M. Tucker 1948-6-7 1679 Napa Shrub at the side of road, a few miles west of Monticello, on road to Rutherford, Napa County, California. Comment
  JEPS37948  Quercus garryana W. L. Jepson 1916-8-6 6833 Napa Howell Mt. Comment
  UCD46059  Quercus garryana var. garryana J. M. Tucker 1952-4-22 2357 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. Comment
  CAS-BOT-BC105301  Quercus kelloggii Paul F. Covel 1940-4-28 1708 Napa Near Pacific Union College Comment
  JEPS37761  Quercus kelloggii Willis L. Jepson 1901-8-6 1719 Napa St. Helena Napa River Basin Comment
  SEINET2066834 Image available Quercus kelloggii Royal D. Suttkus 1967-6-26 67 -308 Napa Clearly Reserves, 7.2 mi NW of Pope Valley Comment
  UC1196356  Quercus kelloggii J. P. Tracy 1902-5-22 1620 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD120920  Quercus kelloggii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7340 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. North side of road. 519 Comment
  UCD46679  Quercus kelloggii K. Esau 1937-4-22 s.n. Napa Monticello-Napa Highway. Comment
  UCD83399  Quercus kelloggii Jake Ruygt 1993-3-15 3170 Napa end of Lewelling Lane, Lewelling Ranch. 82 Comment
  CAS-BOT-BC104839  Quercus wislizeni G. F. Ferris 1920-10-1 s.n. Napa Napa Comment
  JEPS37797  Quercus wislizeni W. L. Jepson 1938-9-28 19045 Napa La Jota Mesa Howell Mt. Comment
  RSA10629  Quercus wislizeni var. frutescens Carl B. Wolf 1928-5-4 1862 Napa Upper slopes of Mount St. Helena. Comment
  UCD17980  Ranunculus aquatilis Ellen Dean; with Plant Biology 102 class 2001-4-14 705 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, in stock pond. 152 Comment
  JEPS110890  Ranunculus aquatilis var. hispidulus Jake Ruygt 1981-4-22 996 Napa Suscol plain near Kaiser Steel (Rocktram 3 Comment
  JEPS55055  Ranunculus aquatilis var. hispidulus Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  UCD168566  Ranunculus californicus Stephen P. Rae; A. Solomeshch 2007-3-17 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD95935  Ranunculus californicus Heidi E. M. Dobson 1978-4-8 299 Napa east slope of Mt. Veeder. Comment
  UCR12015  Ranunculus californicus Coleta A. Lawler 1964-3-24 19 Napa 7 mi. from Napa; Mt. Veeder Rd. 2 mi north of Jct. Dry Creek Rd Comment
  JEPS55189  Ranunculus californicus W. L. Jepson 1897-5-2 Napa near St. Helena; Bottle Mountain Comment
  CAS-BOT-BC378487  Ranunculus californicus var. californicus David D. Keck 1931-4-2 1009 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 Comment
  JEPS110874  Ranunculus lobbii Jake Ruygt 1992-3-18 2854 Napa Wild Horse Valley Ranch north of the polo field 472 Comment
  POM268693  Ranunculus lobbii W. L. Jepson 1893-5-1 s.n. Napa Upper Napa Valley, near Calistoga; Napa River basin Comment
  UC9460  Ranunculus lobbii Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin, upper Napa Valley Comment
  UCD83671  Ranunculus muricatus Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 6 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 183 Comment
  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
  UC1607872  Ranunculus occidentalis C. G. Nast 1936-3-27 54 Napa Berryessa Valley Comment
  JEPS55167  Ranunculus occidentalis W. L. Jepson 1897-5-2 Napa near St. Helena; Napa Valley Comment
  SEINET5718619 Image available Ranunculus occidentalis Shirley C. Tucker 1964-1 6092 B Napa Route 138, 4 miles east of Moscovitz Corner.; Moscovitz Corner Comment
  POM268381  Ranunculus occidentalis var. eisenii Lyman Benson 1931-2-26 2600 Napa N of Calistoga, Mayacamas Mt. Napa watershed. 549 Comment
  UCD54552  Reseda luteola Ellen Dean 2005-10-12 2740 Napa W of town of Napa. N side of Partrick Rd. 1660 Partrick Rd. 236 Comment
  UCD116487  Reseda luteola Herbert L. Mason 1942-9-29 12558 Napa 2 miles N of Calistoga. Comment
  UCD117923  Rhagadiolus stellatus Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd., in between entrance and fire station. 520 Comment
  CAS-BOT-BC362896  Rhagadiolus stellatus Ida DeMay Wilson 1959-4-5 s.n. Napa Dry Creek Road Comment
  RSA671144  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G. A. Wilson ranch, Dry Creek Road, 2 mi. W. of Yountville. Comment
  SEINET12210864  Rhamnus californica subsp. tomentella W. Knight, Knight, I. 1982-1 4554 Napa 0.5 mi W of Spanish Flat Comment
  JEPS42004  Rhamnus crocea W. L. Jepson 1916-12-5 6588 Napa Howell Mt. Comment
  CAS-BOT-BC56019  Rhamnus ilicifolia H. E. McMinn 1922-3-27 55 Napa Slope on Mt. St. Helena Comment
  CHSC75009  Rhamnus tomentella D. Sanchez-Mata 1996-6-22 Napa Capell Valley. Serpentine chaparral in Capell Creek. 380 Comment
  UCD117990  Rhododendron occidentale W. A. Williams 1974-11-25 s.n. Napa 3 miles west Knoxville (in direct line). BLM land. Comment
  UCD20695  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 6 Napa Napa County, Butts Canyon Rd. along both sides of Butts Creek. Lake Co. line to 500' SE of Co. line, predominately on SW bank, a few on NE bank. Comment
  UCD21549  Rhododendron occidentale A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 3 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, at pool at confluence of Sensitive Plant Canyon and Hunting Creek. 335 Comment
  CAS-BOT-BC199735  Rhododendron occidentale var. californicum Ira L. Wiggins 1949-4-30 12093 Napa On northeastern slopes of Mount St. Helena, near Lake County line Comment
  RSA672063  Rhododendron occidentale var. occidentale A. T. Leiser 1984-9-23 BC- 2 Napa Butts Canyon Rd./Shell Valley Rd. along Butts Creek, Napa 19.25 marker. Off Pope Valley Rd., NE side of road, S bank. Comment
  CAS-BOT-BC200715  Rhus aromatica Ella Dales Cantelow 1939-4-8 2495 Napa Few miles s. of Knoxville Comment
  UCD116924  Rhus aromatica J. M. Tucker 1951-3-28 2067 Napa Capell Creek, about 6 miles south of Monticello. Comment
  UCD39264  Rhus aromatica B. Crampton 1960-9-7 5776 Napa Vaca Mountains. Markley Canyon, along State Hwy. 128, above Lake Berryessa. Comment
  RSA696218  Rhus trilobata Keith E. Hoffmaster 1939-4-16 897 Napa Calistoga Road Comment
  RSA128801  Ribes californicum Peter H. Raven 1951-5-20 2856 Napa Hills west Oakville 549 Comment
  RSA0021660  Ribes malvaceum Peter H. Raven 1950-4-15 1770 Napa Wooden Valley Grade above Napa. 457 Comment
  JEPS9658  Ribes menziesii Willis L. Jepson Napa mountain summit w St. Helena (trail to <?>houx's Knob) Comment
  CAS-BOT-BC198893  Ribes roezlii var. cruentum Peter H. Raven 1951-5-26 2866 Napa Lokoya Lodge 411 Comment
  JEPS49306  Ribes victoris Willis L. Jepson 1893-5-9 13499 Napa Niebaum's Dam St. Helena Comment
  HSC43915  Rigiopappus leptocladus Robert M. Specht 1977-5-14 888 Napa Near junction of Develhead Rd. and Morgan Valley Rd. (Knoxville-Berryessa Rd.) 457 Comment
  HSC43962  Rigiopappus leptocladus Robert M. Specht 1977-4-11 620 Napa Along drainage of Pocock Creek 500 Comment
  HSC81863  Rigiopappus leptocladus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5149 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UC1535368  Rigiopappus leptocladus Glen Holstein 1977-5-11 Napa 0.2 mi s of intersection with Berryessa-Knoxville Road Highway 128; Capell Valley Comment
  UCD133767  Rigiopappus leptocladus Beecher Crampton 1957-5-16 4044 Napa North end of Capell Valley, above Capell Creek, along Hwy. 128. Comment
  UCD32572  Rigiopappus leptocladus Beecher Crampton 1954-5-20 1926 Napa 8 miles southwest of Monticello, along highway 128. Comment
  UCD33704  Rigiopappus leptocladus Beecher Crampton 1972-4-19 8792 Napa north end of Capell Valley. Comment
  UCR146399  Rigiopappus leptocladus Beecher Crampton 1954-5-20 1926 Napa Inner North Coast Ranges, 8 miles southwest of Monticello, along highway 128 305 Comment
  CAS-BOT-BC363051  Rigiopappus leptocladus Beecher Crampton 1972-4-19 8792 Napa North end of Capell Valley Comment
  SEINET5763310 Image available Rorippa curvisiliqua E. L. Greene 1893-1 s.n. Napa Dry Creek Comment
  CHSC103005  Rorippa curvisiliqua var. orientalis Lowell Ahart 2009-10-12 16434 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC147536  Rosa californica Peter H. Raven 1952-8-26 5146 Napa Railway 3/4 mi. w. of Buchli Sta. 30 Comment
  JEPS77931  Rosa californica Edward Lee Dec. 1935 1676 Napa 1/2 mi s south junction of Napa-Monticello Road ((between the Howell and Vaca Mts.)); Wooden Valley Comment
  UC126646  Rosa californica Harley P. Chandler Sep 7 1906-Sep 14 1906 7115 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD73498  Rosa californica Ayzik Solomeshch 2007-5-27 s.n. Napa NW of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 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
  JEPS115755  Rumex dentatus Lowell Ahart 2009-10-27 16492 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  CHSC102281  Rumex fueginus Lowell Ahart 2009-10-27 16493 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. 130 Comment
  CAS-BOT-BC434078  Rumex transitorius Peter H. Raven 1951-9-9 3892 Napa Fields at Solano Co. line w. of Hy. 29 15 Comment
  JEPS65646  Rupertia physodes W. L. Jepson 1924-4-27 10371 Napa Toll House Mt. St. Helena Comment
  UCD48857  Sagina apetala E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., N of jct with South Decker Canyon Rd. Sandy, distrubed area immediately off roadside. 182 Comment
  JEPS106735  Sagina decumbens subsp. occidentalis Jake Ruygt 1982-4-4 1166 Napa 3.2 miles north of Loma Vista Rd. on Soda Canyon Rd. 335 Comment
  UC465477  Salicornia virginica Milo S. Baker Aug 1900 Napa near Napa River Comment
  CAS-BOT-BC103227  Salix bonplandiana Peter H. Raven 1952-9-14 5177 Napa Conn Creek e. of Yountville 91 Comment
  HSC20138  Salix breweri Greg Bos 1963-3-30 61 Napa 11 mi. S of Middletown on Butts Canyon Rd. 274 Comment
  JEPS15364  Salix breweri W. L. Jepson 1938-6-8 18902 Napa Butte Canyon; bottom Comment
  UC457172  Salix breweri David D. Keck 1931-4-3 1075 Napa along creek 5 mi ne Aetna Springs; Butts Creek Comment
  UC762333  Salix breweri R. F. Hoover 1938-9-23 3864 Napa Canyon of south fork of Butts Creek Comment
  UCD48205  Salix breweri Ryan Knox; E. McDermott, G. Walden 2002-4-13 2 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of road, from Knoxville Creek's bank. 432 Comment
  SEINET11993504  Salix breweri F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -320 Napa along Butts Canyon Road near junction with Snell Valley Road, along Butts Creek 250 Comment
  UCD170811  Salix eastwoodiae 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. Along drainage leading to Maxwell Creek. 166 Comment
  POM202753  Salix exigua I. L. Wiggins 1932-3-12 5755 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UC483319  Salix exigua var. hindsiana Ira L. Wiggins 1932-3-12 5756 Napa 1 mi n Calistoga; N. Fork Napa R. Comment
  UCD164794  Salix gooddingii Jake Ruygt 2012-6-30 5871 Napa Putah Creek north of Berryessa Estates. 137 Comment
  CAS-BOT-BC108199  Salix hindsiana Peter H. Raven 1951-6-26 3045 Napa Sarco Ck. E of Napa 60 Comment
  CAS-BOT-BC539353  Salix laevigata Jake Ruygt 1995-3-17 3407 Napa Silverado Trail E of Souza land, Napa 3 Comment
  CAS-BOT-BC539357  Salix lasiandra var. lasiandra Jake Ruygt 2009-3-21 5388 Napa Larkmead Lane, S side of Napa River 85 Comment
  JEPS13831  Salix lasiolepis Willis L. Jepson 1903-9-6 2345 Napa St. Helena; Napa River Basin Comment
  POM281347  Salix lasiolepis Lyman D. Benson 1930-3-31 2022 Napa Town: Middletown (Lake Co); Mt. Range: N Coast;. N side Mt. St. Helena at Lake Co. line. 518 Comment
  RSA3944  Salix lasiolepis I. L. Wiggins 1932-3-12 5751 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UC482319  Salix lasiolepis C. R. Ball and Harold E. Parks 1931-2-17 17 a Napa 1 mi nw Calistoga (in shallow arroyo) Comment
  UCD111603  Salix lasiolepis Joseph M. DiTomaso 1976-4-9 382 Napa Next to Putah Creek at base of Monticello Dam, Lake Berryessa. (On the Yolo/Napa County line. Base of dam is Napa County but just downstream is Yolo County. This record originally said Yolo County). 3 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
  JEPS38360  Salix scouleriana Willis L. Jepson 1903-9-6 2344 Napa St. Helena; Napa River Basin, St. Helena Comment
  UCD162403  Salpichroa origanifolia Irving Grover 1958-6-9 s.n. Napa Napa. Comment
  JEPS120367  Salvia argentea Jake Ruygt 2001-7-2 4319 Napa On private road south of Lake Hennessey boat-ramp. Yountville 7.5' Quad. Comment
  HSC43987  Salvia columbariae Robert M. Specht 1977-4-13 655 Napa South-facing slope 488 Comment
  UCD144655  Salvia columbariae Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD48055  Salvia columbariae J. Howard; M. Carson, A. Haselby, P. Mayers 2000-4-29 15 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  UC634916  Salvia sonomensis H. L. Mason 1926-3-22 2795 Napa from Calistoga to Petrified Forest Comment
  UCR220103  Salvia sonomensis Ayzik Solomeshch 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  CAS-BOT-BC238595  Sambucus nigra subsp. caerulea Peter H. Raven 1950-6-20 2329 Napa St. Helena to Conn Valley, Napa Range Comment
  UCD137701  Sambucus nigra subsp. caerulea M. Wiesendanger 1926-4-1 1499 Napa exact location unknown. Comment
  SEINET3083262 Image available Sambucus nigra subsp. canadensis Royal D. Suttkus 1967-6-26 67- 30 -25 Napa Clearly Reserves, 7.2 miles NW of Pope Valley Comment
  POM180781  Sanguisorba minor J. T. Howell 1930-7-13 5366 Napa Upper Napa Valley Comment
  JEPS104480  Sanicula bipinnata Jake Ruygt 1977-4-3 167 Napa hills east of Lake Berryessa,Green Canyon 228 Comment
  UCD48512  Sanicula bipinnatifida A. Van Houtte; E. Leger and C. Hohn 2001-4-14 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; NE-facing bank upslope of ruined cabins, between the stock pond and the W side of Decker Canyon Rd. 152 Comment
  JEPS104477  Sanicula crassicaulis Jake Ruygt 1979-3-31 465 Napa Trefethen hillside property 91 Comment
  UCD18054  Sanicula crassicaulis Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 607 Napa Napa County. McLaughlin Reserve. Ca. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along old road that climbs up ridge on E side, N- and NW-facing slopes. 536 Comment
  HSC70624  Sanicula crassicaulis J. M. DiTomaso 1980-6-13 1593 Napa Hwy. 128, 5 mi. NW of junction with Hwy. 121 Comment
  UC566847  Sanicula laciniata Herbert L. Mason 1926-3-22 Napa Petrified Forest Comment
  JEPS1735 Image available Sanicula menziesii var. pedata W. L. Jepson 1893-5-1 14189 Napa Calistoga Napa River Basin; Calistoga, Napa River Basin Comment
  JEPS104495  Sanicula tuberosa Jake Ruygt 1992-4-3 2878 Napa Tuteur Ranch, end of Green Valley Rd. 451 Comment
  JEPS43798  Saxifraga californica Mrs. Mary Van E. Ferguson 1919-4-13 211 Napa near Atlas Comment
  RSA15674  Saxifraga californica Carl B. Wolf 1928-2-25 1496 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  JEPS943  Scandix pecten-veneris W. L. Jepson 1922-4-21 9625 Napa Napa Junction Comment
  UC658998  Scandix pecten-veneris Mildred E. Mathias 1938-4-24 1337 Napa 2 mi s of St. Helena (along highway) Comment
  JEPS121364  Scirpus fluviatilis Jake Ruygt 1991-7-20 2795 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa - Knoxville R. Comment
  JEPS115967  Scirpus maritimus Lowell Ahart 2009-10-12 16460 Napa Below the high water line of Lake Berryessa, along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Wint 133 Comment
  JEPS121372  Scirpus pungens var. longispicatus Jake Ruygt 1986-7-5 1866 Napa Hunting Creek near campground Comment
  JEPS106749  Scleranthus annuus subsp. annuus Jake Ruygt 1993-5-1 3231 Napa Cedar Creek Rd. at Cedar Creek. 548 Comment
  JEPS126132  Scleranthus annuus subsp. annuus Jake Ruygt 2010-6-21 5642 Napa Bear Valley north of pond. Detert Reservoir 7.5' Qua. Comment
  CAS-BOT-BC240027  Scribneria bolanderi John Thomas Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  SEINET10602606  Scribneria bolanderi John Thomas Howell 1940-5-19 Howell 15464 Napa Upper St. Helena Creek. Comment
  UCD20500  Scutellaria californica E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1071 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  UC634870  Scutellaria californica H. L. Mason 1934-4-30 8106 Napa 5 mi s of Putah Creek (tributary of Putah Creek, Napa) Comment
  UC25836  Scutellaria tuberosa Willis L. Jepson 1893-5-9 Napa Nebaum's Dam; Napa River Basin, Nebaum's Dam Comment
  CAS-BOT-BC63831  Sedum spathulifolium Alice Eastwood 1915-6-6 4692 Napa Mt. St. Helena Comment
  CAS-BOT-BC63833  Sedum spathulifolium David D. Keck 1933-5-29 2354 Napa Pope Creek bridge, south of Walters Springs. Comment
  CAS-BOT-BC63835  Sedum spathulifolium John H. Thomas 1955-5-21 5126 Napa Sarco Creek drainage, near Hwy 37, about 6 mi from Napa. 274 Comment
  RSA0074711  Sedum spathulifolium C. B. Wolf 1928-5-3 1837 Napa Summit of Mount St. Helena Grade, north of Calistoga. 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
  CAS-BOT-BC69710  Selaginella wallacei John H. Thomas 1955-5-21 5103 Napa Sarco Creek drainage, near State Highway No. 37, about 6 mi. from Napa. 274 Comment
  RSA26406  Selaginella wallacei John Thomas Howell 1941-4-5 16163 Napa Franz Valley Comment
  POM5756  Senecio eurycephalus C. F. Baker 1903-5-8 3080 Napa Knoxville Comment
  RSA155773  Senecio eurycephalus P. H. Raven 1962-5-31 17919 Napa On Lower Lake-Knoxville Road, 1.9 miles south of Lake county line. Comment
  CAS-BOT-BC327425  Senecio flaccidus var. douglasii H. E. McMinn 1922-8-1 396 Napa Pope Valley Canyon Comment
  UC1999789  Senecio flaccidus var. douglasii H. E. M. Dobson 1977-10-31 287 Napa Lake Berryessa, Highway 128. Comment
  UCD161513  Senecio flaccidus var. douglasii Jake Ruygt 1989-6-3 2364 Napa Highway 128 southwest of Monticello Dam about 1/2 mile. 188 Comment
  JEPS106857  Senecio hydrophilus Jake Ruygt 1980-5-9 879 Napa Edgerley Island 0 Comment
  SFV4108  Senecio sylvaticus E. Parchim 1964-4-25 s. n. Napa Summit of Oakvillegrade Road, about 4 miles southwest of Oakville. Shale soil in burned (summer 1962) area south of road. Comment
  UCD135756  Senecio sylvaticus Elden Parchim 1964-4-25 s.n. Napa south of road, summit of Oakvillegrade Road. Around 4 miles southwest of Oakville. Comment
  UC401313  Sequoia sempervirens C. F. Sonne 1897-4-1 Napa near Napa City Comment
  UCD41312  Sidalcea diploscypha Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 4 Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
  JEPS50083  Sidalcea diploscypha E. Ferguson 1920-5-15 345 Napa Pope Creek Comment
  JEPS97957  Sidalcea diploscypha K. Andreasen 1998-6-27 273 Napa at crossing of road and Moore Creek just E of 4-H camp Las Posadas State Forest Comment
  JEPS110708  Sidalcea hartwegii Jake Ruygt 1989-6-6 2364 b Napa 4.5 miles north of Monticello Rd. on Atlas Peak Rd. 448 Comment
  UC18889  Sidalcea hartwegii Willis L. Jepson 1893-5-9 Napa hills w Rutherford; Napa River Basin, hills w of Rutherford Comment
  UC871453  Sidalcea hartwegii M. S. Jussel 1937-5-23 Napa Palisades Comment
  JEPS50055  Sidalcea hartwegii W. L. Jepson 1897-5-2 14069 Napa near St. Helena; near St. Helena Comment
  JEPS122752  Sidalcea hickmanii subsp. napensis Jake Ruygt 2011-6-9 5800 Napa South side of Mt George, Palmaz Vineyards. Quad: Mt. George. Comment
  UCD167291  Sidalcea hirsuta Jake Ruygt 2007-5-10 5171 Napa G.I. Landfill site, Butts Canyon Road about 3 miles south of Middletown. 335 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
  UCD49174  Sidalcea keckii Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Tom Liebmann 2001-4-28 8 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found on NW side of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft) NW of jct with S. Decker Canyon Rd. 237 Comment
  UCD167289  Sidalcea malviflora subsp. laciniata Jake Ruygt 1990-5-6 2531 Napa Yountville Ecological Reserve, Napa River, Yount. Cross Road. 27 Comment
  CAS-BOT-BC384429  Silene coronaria Peter H. Raven 1952-5-26 4032 Napa St. Helena to Howell Mt. 91 Comment
  JEPS50936  Silene gallica W. L. Jepson 1923-4-29 9893 Napa St. Helena 91 Comment
  RSA185755  Silene gallica John H. Thomas 1955-5-21 5121 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa 244 Comment
  UCD37323  Silene laciniata subsp. californica Beecher Crampton 1959-5-26 5260 Napa Napa County, north end of Capell Valley, Capell Creek. Comment
  JEPS126133  Silene lemmonii Jake Ruygt 2008-5-21 5346 Napa Wildlake Ranch, Rattlesnake Ridge, road to Potato Hill. Calistoga 7.5' Qua. Comment
  CDA7653  Silybum marianum T. C. Fuller 1957-12-17 Napa 3 miles west of Napa. 0 Comment
  UCD148092  Silybum marianum Jake Ruygt 1978-5-13 300 Napa Suscol Hill, west of Hwy 29 (221). 7 Comment
  UCD151215  Silybum marianum Jake Ruygt 1978-5-13 300 Napa Suscol Hill, west of Hwy 29 (221). 7 Comment
  UCD47952  Sisymbrium officinale M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 7 Napa McLaughlin UC Reserve. SW of old town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 Comment
  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
  UCD170211  Sisyrinchium bellum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 746 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 408 Comment
  UCD18366  Sisyrinchium bellum R. Wenk 2000-5-14 3 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  UCD48730  Sisyrinchium bellum S. Colby; L. Hanson, D. Bosworth, K. Sesser, G. Belley 2001-4-14 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  UCD48736  Sisyrinchium bellum C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 14 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. N of drainage between West Rd. and Decker Bay Trail; approx. 90' NW of jct of West Rd. and Decker Bay Trail. 160 Comment
  POM291000  Sisyrinchium bellum Lyman Benson 1930-3-31 2020 Napa Calistoga, North Coast mt. range, base of Mt. St. Helena 305 Comment
  UCD67945  Sisyrinchium bellum Sally Jue 1977-4-16 21 Napa Along Hwy. 128, 6.4 mi. SSW of Monticello Dam. 198 Comment
  JEPS122676  Sium suave Jake Ruygt 1979-7-3 732 Napa Napa River south of Trancas St. Quad: Napa. Comment
  JEPS113973  Smilax californica Jake Ruygt 1999-5-30 4175 Napa Sulphur Creek about 1/2 mile below the resort. Rutherford 7.5' Quad. Comment
  CAS-BOT-BC34694  Solanum lycopersicum P. H. Raven 1942-9-14 5170 Napa Road 1.5 mi. NE of Yountville 121 Comment
  UC26232  Solanum tuberosum Willis L. Jepson 1893-6-24 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  CAS-BOT-BC156484  Solanum umbelliferum J. T. Howell 1933-5-21 11316 Napa Hills east of Napa Comment
  CAS-BOT-BC231732  Solanum umbelliferum John Thomas Howell 1931-4-2 6078 Napa Summit of Wooden Valley Grade, 8 miles east of Napa Comment
  UCR242098  Solanum umbelliferum Katherine Countrey 1983-4-22 004 Napa c. 8 mi east of Winters on Hwy 128 at the Monticello Dam Parking area 136 Comment
  SEINET9340520  Solidago californica Unknown 1993-10-3 11424 Napa Dry bottom of wash w/n Quercus druata/Cupressus macnabiana chaparral. 2.1 m SW along Knoxville-Devilhead Rd. from Knoxville-Berryessa Rd. Comment
  CDA7649  Soliva sessilis R. Barrett 1958-5-22 437 -58 Napa Napa. 0 Comment
  JEPS18729  Soliva sessilis Willis L. Jepson 1893-5-8 14874 Napa Howell Mt. grade below New Eden; Napa River Basin, Howell Mt. Comment
  UCD159465  Sonchus asper subsp. asper D. S. Park 2010-8-13 219 Napa St. Helena. Along Fulton Ln. Growing in the fringes of orchards. 71 Comment
  CAS-BOT-BC374656  Sonchus oleraceus Peter H. Raven 1954-2-22 6396 Napa Saint Helena 60 Comment
  CAS-BOT-BC235339  Sorghum halepense Peter H. Raven 1950-6-20 2371 Napa In the Napa Range between Conn Valley & Howell Mtn Comment
  HSC34855  Spergularia macrotheca var. longistyla Thomas W. Nelson, James Nelson 1975-5-5 1805 Napa Calistoga Airport Comment
  UCD99270  Spergularia marina M. Wiesendanger 1928-4-5 871 Napa near Calistoga. Comment
  JEPS129151  Spergularia media var. media Jake Ruygt 1983-3-29 1398 Napa River park Boulevard and S Jefferson Street SE corner. Napa 7.5' Quad. 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
  CAS-BOT-BC390564  Spergularia rubra Peter H. Raven 1953-10-4 6366 Napa Duttons Landing 3 Comment
  JEPS112646  Stachys ajugoides Jake Ruygt 1996-6-3 3742 b Napa Jameson Vinyards near South Kelly Road. 103 Comment
  SEINET9367953  Stachys ajugoides var. ajugoides Unknown 1995-9-12 12461 Napa Napa County Comment
  JEPS112630  Stachys ajugoides var. rigida Jake Ruygt 1976-5-14 70 Napa 3.8 miles west of HWY 29 on Redwood Rd. 91 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
  SEINET9352740  Stachys albens Unknown 1976-8-8 13 Napa Napa County Comment
  UCD116968  Stellaria media Jillian Howard; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCD14964  Stellaria media Jonathan M. Irvine 1977-4-16 107 Napa California, Napa Co.; along Highway 128, 6.4 miles SSW of Monticello Dam; Comment
  UCD17986  Stellaria media Ellen Dean; with Plant Biology 102 class 2001-4-14 712 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
  CAS-BOT-BC386934  Stellaria media Elsa G. Ruckert 1960-2-20 2 Napa Dry Creek Road 365 Comment
  CAS-BOT-BC375248  Stephanomeria elata Peter H. Raven 1951-8-19 3839 Napa Nr. Lokoya 487 Comment
  UC35828  Stephanomeria elata Willis L. Jepson 1893-9-23 Napa Upper Napa Valley, Napa River Basin. Comment
  JEPS36824  Stephanomeria exigua subsp. coronaria Willis L. Jepson 1893-9-23 Napa Upper Napa Valley Napa River Basin Comment
  CAS-BOT-BC375744  Stephanomeria virgata Peter H. Raven 1951-8-21 3871 Napa Mt. Veeder 762 Comment
  UCD37097  Stephanomeria virgata Beecher Crampton 1956-8-28 3878 Napa 0.5 mile southwest of Monticello Dam, Vaca Mountains. Comment
  JEPS129100  Stephanomeria virgata subsp. pleurocarpa Jake Ruygt 2016-5-3 6230 Napa Ridge S of Oil Well Road; E side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCD161262  Stephanomeria virgata subsp. pleurocarpa Jake Ruygt 2005-10-8 4949 Napa Pope Canyon Rd. near high water range of Lake Berryessa (Landucci). (Coordinates estimated by label maker at UC Davis). 164 Comment
  JEPS122969  Stipa lepida Jake Ruygt 1991-5-18 2574 Napa Mount George Avenue. Quad: Mount George. Comment
  JEPS122970  Stipa lepida Jake Ruygt 1995-4-17 3437 b Napa End of Niebaum Road, Rutherford. Quad: Rutherford. Comment
  CAS-BOT-BC61251  Streptanthus breweri John Thomas Howell 1937-7-18 13101 Napa Mount Saint Helena Creek. North Napa county. 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
  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
  JEPS106606  Streptanthus breweri var. breweri Jake Ruygt 1995-6-17 3506 Napa About 1/2 mile south of Snell Valley Rd on Butts Canyon Road 304 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
  UC956592  Streptanthus breweri var. hesperidis Freed W. Hoffman 1949-5-10 2777 Napa along pipe line 1/4 mi below Conn Dam; North Coast Ranges Comment
  SFV8749  Streptanthus glandulosus P. Warner 1967-4-16 49 Napa North Coast Ranges Vaca Mountains. 0.7 miles above (west) of Monticello Dam, Lake Berryessa. 152 Comment
  UCSB2464  Streptanthus glandulosus Kamb, Peter; Chisaki, Francia 1950-4-22 Napa North side of canyon of Sage Creek about 3 miles east of Chiles Valley Comment
  CAS-BOT-BC87153  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1940-5-19 15453 Napa Upper Saint Helena Creek. Comment
  CAS-BOT-BC87155  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1941-6-22 16322 Napa Hills southwest of Saint Helena. Comment
  CAS-BOT-BC87159  Streptanthus glandulosus subsp. glandulosus John H. Thomas 1958-4-19 7116 Napa About 2 miles southwest of Oakville. 152 Comment
  CAS-BOT-BC87166  Streptanthus glandulosus subsp. glandulosus Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5335 Napa Pope Creek east of Samuels Springs. 91 Comment
  UCD116005  Streptanthus glandulosus subsp. glandulosus W. M. Grannell 1950-4-27 1 Napa Putah Canyon. Comment
  UCD170193  Streptanthus glandulosus subsp. glandulosus Daniel Potter 2015-3-14 764 Napa Knoxville Wildlife Area, along Eticuera Creek east of Berryessa-Knoxville Road at the creek crossing just north of the Zim Zim Falls trailhead. 228 Comment
  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
  UCD74406  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1996-4-27 3636 b Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 384 Comment
  JEPS129049  Streptanthus hesperidis Jake Ruygt 2016-6-6 6278 Napa Okin Ranch, Chiles Valley. St. Helena 7.5' Quad. Comment
  JEPS96908  Streptanthus hesperidis Dean W. Taylor 1998-6-18 16670 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley 289 Comment
  JEPS82529  Streptanthus morrisonii Roger Raiche 1984-5-19 40155 Napa near Knoxville (off of Bureau of Land Management roads); Hunting Creek area Comment
  UCD149070  Streptanthus morrisonii G. Ledyard Stebbins 1985-6-17 C 533 Napa Northwest of Dunnigan Hill. West of Hunting Creek. Southwest of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) 432 Comment
  UCD161707  Streptanthus morrisonii Jake Ruygt 2010-6-21 5647 Napa east of White Point. (Coordinates converted from UTM data by label maker.) 655 Comment
  UCD169781  Streptanthus morrisonii Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 789 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 466 Comment
  UCD75709  Streptanthus morrisonii Jake Ruygt 2008-4-12 5285 Napa About 1.5 miles northwest of Zim-Zim Falls. 530 Comment
  UC1102668  Streptanthus morrisonii subsp. elatus Arthur R. Kruckeberg 1947-5-3 1438 Napa 0.25 mi w White's Point (Table Mtn. road, ca 5 mi e of Mountain Mill House, Napa-Lake Co. line); ; W of White's Pt., Table Mt., Napa-Lake Co. Comment
  CAS-BOT-BC269541  Symphoricarpos albus var. laevigatus Alice Eastwood 1918-5-1 6852 Napa Mt. St. Helena Comment
  JEPS104539  Symphyotrichum spathulatum Jake Ruygt 1992-7-10 3081 Napa Yountville Ecological Reserve, Yountville Crossroad 27 Comment
  CHSC102538  Symphyotrichum subulatum var. parviflorum Lowell Ahart 2009-10-27 16476 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CDA31321  Taeniatherum caput-medusae D. G. Kelch 2010-5-6 10 .176 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  CAS-BOT-BC376866  Taraxacum erythrospermum Peter H. Raven 1954-2-22 6400 Napa Saint Helena 60 Comment
  UC1197483  Thermopsis californica var. californica Joseph P. Tracy 1933-4-30 12103 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  SEINET7075534  Thermopsis macrophylla var. venosa A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC66479  Thysanocarpus curvipes John Thomas Howell 1930-3-23 4574 Napa Mount Saint Helena, 5 miles from Calistoga. Comment
  CAS-BOT-BC66483  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6085 Napa Summit of Wooden Valley Grade. 8 miles east of Napa. Comment
  CAS-BOT-BC66489  Thysanocarpus curvipes John Thomas Howell 1931-4-19 6456 Napa Conn Valley. Comment
  CAS-BOT-BC66516  Thysanocarpus curvipes Ira L. Wiggins 1928-3-24 2866 Napa Grade on old road to Lake county above Calistoga. Comment
  JEPS106594  Thysanocarpus curvipes Jake Ruygt 1993-4-12 3201 Napa south of James Creek Road and Butts Cany on Road. 213 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-BC66485  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6099 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  JEPS54165  Thysanocarpus curvipes Willis L. Jepson 1893-4-28 30 d Napa plateau n Mt. George (Upland meadows); Napa River Basin, n of Mt. George Comment
  UC11005  Thysanocarpus curvipes Willis L. Jepson 1893-4-28 Napa Napa City; Napa River Basin, Napa City Comment
  UC857529  Thysanocarpus curvipes Milo S. Baker 1940-4-23 9552 Napa on Pope Creek 7 mi from Monticello; on Pope Creek Comment
  POM216228  Thysanocarpus curvipes var. curvipes D. D. Keck 1933-5-29 2352 Napa Pope Creek bridge south of Walters Springs. Comment
  RSA0041675  Thysanocarpus curvipes var. elegans David D. Keck 1931-4-2 1052 Napa 4 miles S of Monticello. Comment
  JEPS106587  Thysanocarpus laciniatus Jake Ruygt 1998-5-11 3963 x Napa Chiles Canyon at rock cliffs. 182 Comment
  JEPS54141  Thysanocarpus laciniatus John Thomas Howell 1926-3-20 1693 Napa on road to Myrtledale Hot Springs 1 1/4 mi from Calistoga Comment
  CAS-BOT-BC67306  Thysanocarpus radians Catherine Best 1984-4-16 917 Napa Atlas Peak Road about 6 miles north of Monticello Intersection. Comment
  UCD74411  Thysanocarpus radians Jake Ruygt 2002-4-17 4388 Napa North of Foss valley, Atlas Peak Vineyards (Antinori). 463 Comment
  JEPS18244  Tonella tenella Peter H. Raven 1957-5-5 10763 Napa w edge Calistoga 182 Comment
  JEPS26171  Tonella tenella Joseph P. Tracy 1902-5-14 1444 Napa 1 mi from St. Helena (on Howell Mt road); Northern Coast Ranges, Napa Valley 91 Comment
  RSA115583  Tonella tenella J. M. Tucker 1957-3-22 3287 Napa Beside Hwy 37, 0.4 mile southwest of jct with road to Monticello Dam and Winters. Comment
  CDA10874  Torilis nodosa G. F. Hrusa, M. Rejmanek 1993-5-15 10969 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD48486  Torilis nodosa M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 4 Napa Quail Ridge UC Reserve, northern tip of ridge, north of intersection of East and West roads, along lower road leading to power lines, 100 ft. W of lat. and long. 304 Comment
  UCD128188  Torilis nodosa M. Wiesendanger 1926-4-1 1490 Napa Exact location unknown. Comment
  CAS-BOT-BC85170  Torreya californica Carl B. Wolf 1928-5-4 1865 Napa Mt. St. Helena Comment
  JEPS45711  Toxicodendron diversilobum W. L. Jepson Jan. 1898 Napa St. Helena Comment
  JEPS63910  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19478 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek 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
  JEPS63925  Toxicodendron diversilobum W. L. Jepson 1915-4-23 6237 Napa hills east St. Helena Comment
  UCD55060  Toxicoscordion fremontii E. A. Dean; Virginia Boucher 2002-2-28 907 Napa Quail Ridge Reserve. Along lower trail leading from West Road toward powerlines at tip of ridge, very close to junction with West Road. 304 Comment
  UC1745684  Toxicoscordion micranthum Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2770 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UCD96203  Toxicoscordion micranthum Ellen Dean; with Clare Loughran 2011-5-20 7079 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
  UCD18360  Trichostema lanceolatum L. S. Kimsey 1997-8-17 s.n. Napa Pope Valley, 0.25 miles south of Aetna Springs. 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
  UCLA54888  Trichostema laxum John Thomas Howell 1927-8-24 3046 Napa near Pope Valley Creek below Walters Springs Napa Range Comment
  UCR200670  Trichostema laxum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville, Berryessa-Knoxville Road, UC MacLaughlin Reserve, Research Hill 625 Comment
Read comments
Mar 8 2013
  UCD125871  Trichostema laxum G. F. Hrusa; Dave Ragan 1988-9-4 5704 Napa Butts Creek, near Lake-Napa County lines. Comment
  JEPS112620  Trichostema oblongum Jake Ruygt 1986-6-14 1818 Napa Craters, behind Palisades 719 Comment
  UCD166644  Trichostema oblongum Jake Ruygt 1989-6-17 2371 Napa Bear Valley. 630 Comment
  JEPS120350  Trichostema ruygtii Jake Ruygt 2004-7-25 4633 Napa Atlas Peak Road, 7.1 miles north of Monticello Road. Capell Valley 7.5' Quad. Comment
  RSA0004018  Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa Mead Ranch, Atlas Peak Road, south of Foss Valley. 482 Comment
  JEPS106691  Trifolium albopurpureum var. dichotomum Jake Ruygt 1995-4-17 3427 Napa end of Niebaum Rd., Bear Canyon. 103 Comment
  UC1602048  Trifolium albopurpureum var. dichotomum Baker 1903-4-20 2625 Napa Mt. St. Helena Comment
  UC160915  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1902-5-18 1542 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 518 Comment
  UC16497  Trifolium albopurpureum var. dichotomum Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin; Napa River Basin Comment
  UC1925870  Trifolium bifidum Ethel Crum 1931-1 1055 Napa Pope Valley Comment
  UC16431  Trifolium bifidum var. bifidum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  JEPS65759  Trifolium bifidum var. decipiens E. K. Crum 1931-4-17 1055 b Napa 1/2 mi n P. O.; Pope Valley Comment
  UCD83441  Trifolium ciliolatum Jake Ruygt 1981-4-18 977 a Napa Harris Canyon. 213 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
  UC555402  Trifolium depauperatum var. depauperatum H. L. Mason 1928-4-13 4336 Napa near spring (Reili School) Comment
  JEPS106828  Trifolium depauperatum var. hydrophilum Jake Ruygt 1982-4-29 1215 Napa Suscol plain between Rocktram and HWY 29 (221) 1 Comment
  UC165570  Trifolium depauperatum var. stenophyllum H. P. Chandler 1907-4-21 7522 Napa side of summit Comment
  UC2043167  Trifolium dichotomum Barbara Ertter with Jake Ruygt 1996-4-25 14598 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  UCR146185  Trifolium dichotomum Beecher Crampton 1954-4-26 1787 Napa Inner North Coast Ranges, 12 miles east of Rutherford, along Hwy. 128 305 Comment
  UCD35296  Trifolium dichotomum Beecher Crampton 1955-4-7 2428 Napa 7.8 miles north of Monticello. Comment
  UCD117915  Trifolium dubium Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 1 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd., in between entrance and fire station. 520 Comment
  JEPS106808  Trifolium fucatum Jake Ruygt 1993-4-12 3200 Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  CDA37354  Trifolium hirtum D. G. Kelch 2010-5-6 10 .171 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD48019  Trifolium hirtum Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 33 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  JEPS126093  Trifolium incarnatum Jake Ruygt 1980-2-29 804 Napa Green Island Road at Highway 29. Cuttings Wharf 7.5' Qua. Comment
  RSA121049  Trifolium incarnatum H. C. Cantelow, Ella Dales Cantelow s.n. Napa On Silverado Trail southeast of Rutherford. Comment
  UCD95677  Trifolium incarnatum Ellen Dean; with Clare Loughran 2011-5-20 7022 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  UCD159935  Trifolium microcephalum 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
  RSA10698  Trifolium microcephalum Carl B. Wolf 1928-5-3 1789 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  POM126208  Trifolium microdon C. F. Sonne 1895-04 3102 Napa Napa Junction Comment
  UCD83419  Trifolium microdon Jake Ruygt 1992-4-29 2915 Napa Johnson's Meadow, Wild Horse Valley Ranch. 420 Comment
  UC137701  Trifolium oliganthum C. F. Baker 1903-4-20 2606 Napa Mt. St. Helena Comment
  JEPS126079  Trifolium pratense Jake Ruygt 1986-5-20 1781 Napa Napa Corporate Park (Suscol Plain). Cuttings Warf 7.5' Quad. Comment
  UCD128339  Trifolium resupinatum Virginia Moran 2012-5-1 s.n. Napa No exact location. Comment
  JEPS106718  Trifolium variegatum Jake Ruygt 1978-4-9 273 b Napa 2.2 miles NW of Dealy Lane on Henry Rd. 97 Comment
  UCD109408  Trifolium variegatum W. L. Jepson 1915-4-23 6235 Napa St. Helena, hills east. Comment
  UCD148786  Trifolium variegatum Ellen Dean; Diana Hickson 2014-4-29 8094 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UC867031  Trifolium variegatum var. melananthum Alice Eastwood 1915-6-5 4649 Napa Calistoga Comment
  JEPS4392  Trifolium variegatum var. variegatum W. L. Jepson 1915-4-23 6235 Napa e St. Helena (hills) Comment
  UC16785  Trifolium variegatum var. variegatum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  UCD47882  Trifolium vesiculosum Joe Ditomaso 2005-6-27 s.n. Napa Napa County, McLaughlin UC Reserve, along Morgan Valley Rd, ca. 0.5 miles S of the junction of Napa and Lake Counties. Comment
  JEPS129018  Trifolium willdenovii Jake Ruygt 2016-5-7 6238 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UC1197523  Trifolium willdenovii Joseph P. Tracy 1903-5-15 1848 Napa near Calistoga; Napa Valley 91 Comment
  UC1300876  Trifolium willdenovii Helen K. Sharsmith 1963-3-17 5230 Napa along Silverado Trail (hillsides) Comment
  UC16735  Trifolium willdenovii Willis L. Jepson 1893-5-1 Napa Knights Valley grade at divide Napa River Basin 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
  CAS-BOT-BC451903  Triglochin maritima Peter H. Raven 1951-9-9 3905 Napa Slaughterhouse Pt., Napa River 0 Comment
  CAS-BOT-BC520827  Trillium albidum Peter H. Raven 1950-4-15 1734 Napa Napa: Wooden Valley Comment
  UC672070  Trillium albidum Herbert L. Mason 1926-3-22 2796 Napa Petrified Forest Comment
  UCD139895  Trillium albidum J. D. Freeman; R. F. Freeman 1967-5-6 s.n. Napa near Diamond Mt. Ck. Below Diamond Mt. Rd., 0.6 mile W of Cal. Hwy 29, just SW of Calistoga. Comment
  UCD167132  Triodanis biflora Jake Ruygt 2015-5-23 6114 Napa Missimer - Snell Valley Preserve. 178 Comment
  JEPS74862  Triphysaria T. I. and F. M. Chuang 1975-5-4 7502 Napa on highway 29, 4.2 mi s Napa Comment
  UCD170206  Triphysaria eriantha Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 751 Napa Knoxville Wildlife Area, east of Berryessa-Knoxville Road. 246 Comment
  UCD81445  Triphysaria eriantha M. Wiesendanger 1927-5-4 673 Napa Near Monticello. Comment
  SEINET5738473 Image available Triphysaria eriantha subsp. eriantha Stan Logan 1965-1 8 Napa Dollarhide Road, ca. 3 miles east of Pope Valley.; Pope Valley Comment
  JEPS74863  Triphysaria pusilla T. I. and F. M. Chuang 1975-5-4 7503 Napa on highway 29, 4.2 mi s Napa Comment
  JEPS11167  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1915-4-23 6258 Napa Conn Valley Comment
  UCD123416  Triphysaria versicolor subsp. faucibarbata Gerald D. Carr; R. F. Denno 1971-5-13 546 Napa 1.5 miles northwest of Pope Valley on Pope Valley Road. Comment
  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
  UC187231  Trisetum canescens Joseph P. Tracy 1903-5-15 1868 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UCD93502  Trisetum canescens Beecher Crampton 1956-5-25 3486 Napa Howell Mtns. Comment
  UCD139374  Triteleia laxa M. Sidells 1996-4-27 18 Napa on side of Route 128, 2 miles east of Lake Berryessa. 200 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
  JEPS58039  Triteleia laxa W. L. Jepson 1923-6-3 9978 Napa e of Yountville Comment
  JEPS58051  Triteleia laxa Elizabeth Ferguson 1920-5-15 348 Napa Pope Creek and Howell Mt. Howell Mt., Pope Creek Comment
  SEINET8506566  Triteleia laxa C. M. Fryer 1948-5-9 13 Napa 17 miles N of Monticello. Comment
  CDA30787  Triteleia peduncularis V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  UC483307  Umbellularia californica Ira L. Wiggins 1932-3-12 5754 Napa 1 mi n of Calistoga (North Fork of Napa River); North Fork of Napa River Comment
  JEPS106871  Uropappus lindleyi Jake Ruygt 1982-3-20 1137 Napa Campbell Flat, Mt.St.John 323 Comment
  UC36689  Uropappus lindleyi Willis L. Jepson 1894-5-1 Napa Conn Valley , Conn Valley (Napa River Basin) Comment
  UCD20427  Uropappus lindleyi E. Dean; w/ PLB 102 class 2002-5-4 1014 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
  UCD69021  Uropappus lindleyi P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. UTM: 10SEN6659 155 Comment
  UCD124634  Verbascum virgatum S. Nichol 2004-4-1 s.n. Napa Intersection 128 and Pope Valley Rd, Napa. Comment
  CHSC102528  Verbena lasiostachys var. lasiostachys Lowell Ahart 2009-10-27 16495 Napa Below the high water line of Lake Berryessa, about 50 yards east of Eticuera Creek, about 100 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
  JEPS7874  Veronica arvensis H. P. Chandler 1907-5-12 24 Napa St. Helena, White Sulphur Springs White Sulphur Springs; St. Helena, White Sulphur Springs Comment
  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
  UCD148746  Viburnum ellipticum Jake Ruygt 1986-5-7 1752 Napa Napa County, Skyline Park. About 0.5 miles north of Lake Marie on fire trail. 213 Comment
  UCD167060  Vicia americana Jake Ruygt 1999-4-27 4141 Napa Las Posadas State Forest. 542 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
  UCD108962  Vicia sativa subsp. nigra Helen K. Sharsmith 1963-4-20 5343 Napa Southern slopes of Mt. Atlas. 609 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
  CHSC25104  Vicia villosa subsp. varia J. E. Beitler 1970-4-19 26 Napa St. Helena. At the base of the dam of lower Spring Mountain Reservoir ca. 75 yds. E. of Spring Mountain Road. Comment
  JEPS106537  Vicia villosa subsp. varia Jake Ruygt 1976-4-12 1 Napa .2 miles east of Silverado Trail on Deer Park Rd. 73 Comment
  JEPS85034  Vicia villosa subsp. varia Larry Heckard and Mary Ashton 1969-5-3 2204 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  UC2043154  Vicia villosa subsp. villosa Barbara Ertter with Jake Ruygt 1996-4-25 14602 Napa Kroe