Search Results — 2000 specimen records retrieved (1468 records with coordinates)
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 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
  UC1719703  Acacia dealbata Barbara Ertter with Jake Ruygt 1996-4-25 14600 Napa Kroeber Ranch on NE flank of Mt. St. John, W of Rutherford in Napa Valley Comment
  UC1543125  Acer macrophyllum Charlotte G. Nast 1936-3-27 49 Napa Putah Canyon Comment
  UCD117009  Acer macrophyllum Beecher Crampton 1965-8-23 7492 Napa 2.5 miles east of Moskowite Corners, State Hwy. 128. Comment
  UCR141666  Acer macrophyllum Beecher Crampton 1965-8-23 7492 Napa 2.56 mi east of Moskowite Corners, State Hwy 128 Comment
  UC1071659  Acer negundo var. arizonicum A. Lewis May 1932 113 Napa Wragg Canyon Napa Quad., Wragg Canyon 182 Comment
  JEPS104476  Achillea millefolium Jake Ruygt 1992-7-22 3102 Napa Leoma Lakes, Wild Horse Valley Ranch 405 Comment
  UCD128457  Achillea millefolium P. J. Salamun 1974-4-20 7083 Napa Eticuera Creek, near Lower Lake. 243 Comment
  UCD50291  Achnatherum coronatum Jack Maze 1964-5-8 48 Napa 3 miles southwest of Monticello Dam, State Highway 128, Napa County, California. Comment
  UCD73927  Achnatherum coronatum G. Ledyard Stebbins 1966-5-28 6426 Napa Markley Canyon. Comment
  SEINET11687430  Achnatherum lemmonii F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -300 Napa Robert Lewis Stevenson State Park, trailhead on CA 29 near St. Helena Creek 750 Comment
  JEPS29586  Achyrachaena mollis Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8443 Napa 4.8 mi n along Atlas Peak Road Vichy Springs (junct of Calif 37 with Atlas Peak Road); Milliken Reservoir (due west and above) 335 Comment
  JEPS36719  Achyrachaena mollis W. L. Jepson 1897-5-2 Napa St. Helena Comment
  JEPS36724  Achyrachaena mollis W. L. Jepson 1915-4-23 6245 Napa Conn Valley; Napa Range, Conn Valley Comment
  CAS-BOT-BC29755  Achyrachaena mollis Ella D. Cantelow 1939-4-8 2496 Napa 4.5 miles SW of Pacific Union College, Howell Mt. Comment
  RSA195339  Achyrachaena mollis Gilbert Muth 1967-5-19 695 Napa Milliken Dam. 335 Comment
  UCD128388  Achyrachaena mollis H. E. Cott 1949-5-8 A 111 Napa State Highway 37, ca. 10 miles south of junction with State Highway 128. Comment
  SBBG3379  Acmispon americanus J. M. Tucker 1941-9-20 393 Napa Putah Cyn, Vaca Range Comment
  UCD104052  Acmispon brachycarpus M. Ensign 1943-5-28 313 Napa About 12 miles north of Monticello on road to Lower Lake. Comment
  UCD73428  Acmispon glaber var. glaber Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCD149712  Acmispon parviflorus Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD160344  Acmispon parviflorus Nellie Coffey 1931-2-1 s.n. Napa Chiles Valley. Comment
  UCD95900  Acmispon parviflorus Ellen Dean; with Clare Loughran 2011-5-20 7044 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  UCD104516  Acmispon wrangelianus Robert E. Preston 1988-4-10 584 Napa 0.3 mi SE of the confluence of Putah and Hunting Creeks, on w-facing slope. 243 Comment
  JEPS104509  Adenocaulon bicolor Jake Ruygt 1979-6-1 641 Napa .7 miles west of HWY 29 on Diamond Mtn Road 146 Comment
  RSA120809  Adenocaulon bicolor G. D. Barbe 1957-7-4 369 Napa 6.6 mi west of Hwy 29 and Napa on Redwood Rd., 0.6 mi NW of Christian Bros. Mt. LaSalle School. Comment
  JEPS110561  Adenostoma fasciculatum Jake Ruygt 1976-5-6 54 Napa 2.4 miles NE of Westgate Dr. on Atlas Peak Road 338 Comment
  UC555288  Adenostoma fasciculatum H. L. Mason 1925-1-22 1203 Napa Wooden Valley Grade Comment
  UCD112610  Adenostoma fasciculatum L. Flaherty 1991-4-4 s.n. Napa Moskowite Corner. Comment
  UCD49130  Adenostoma fasciculatum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 23 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 200 m up Cut-Off Rd. from South Decker Canyon Rd. 213 Comment
  CAS-BOT-BC65667  Adiantum jordanii Carl B. Wolf 1928-5-3 1843 Napa base of Mt. St. Helena Comment
  SEINET265721 Image available Adiantum jordanii Royal D. Suttkus 1967-6-26 67- 30 -33 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  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
  UC917208  Aesculus californica M. R. Wanzer 1948-5-22 24 Napa 12 mi w Winters; Putah Creek Canyon 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
  UCR146888  Aesculus californica Kathleen Stockwell 2000-5-27 s.n. Napa Coast Range, along Napa Creek which flows to the Napa River, along Kingston Ave. in city of Napa, north of Browns Valley Rd. and Westwood Hills Park 30 Comment
  SEINET6646612  Aesculus californica R. R. Halse 1989-5-13 3831 Napa Along State Hwy. 29, 2.7 miles north of Calistoga; on the Calistoga Grade 240 Comment
  JEPS62941  Agastache urticifolia Willis L. Jepson 1893-4-25 14893 Napa w St. Helena (Caux's Knob); Napa River Basin, Caux's Knob Comment
  UCD161571  Agoseris heterophylla Jake Ruygt 2006-5-4 5007 Napa Wildlake Ranch, south of hunting camp. (Coordinates converted from UTM data by label maker). 676 Comment
  CAS-BOT-BC22755  Agoseris heterophylla J. T. Howell 1931-4-3 6111 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  CAS-BOT-BC46060  Agoseris heterophylla var. cryptopleura David D. Keck 1933-5-29 2347 Napa Pope Creek bridge south of Walters Springs Comment
  UC164850  Agoseris heterophylla var. cryptopleura J. P. Tracy 1902-5-14 1439 Napa 3-4 mi e, (head of Moore's Creek) Angwin's; Howell Mountain, Moore's Creek 365 Comment
  CAS-BOT-BC127450  Agrostis elliottiana J. P. Tracy 1902-5-19 1552 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles east of Angwin's. 518 Comment
  CAS-BOT-BC127141  Agrostis exarata Betty H. Johnson 1958-6-20 648 Napa Near Mt. Mill House, 6.4 miles southwest of Middletown. Comment
  UC1145057  Agrostis exarata Joseph P. Tracy 1938-6-6 15846 Napa between Napa City and Yountville; Napa Valley 30 Comment
  UC187235  Agrostis exarata Joseph P. Tracy 1905-7-6 2228 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UC766831  Agrostis exarata R. F. Hoover 1941-5-10 5007 Napa between St. Helena and Calistoga Comment
  CAS-BOT-BC139521  Agrostis hallii Peter H. Raven 1952-5-31 4102 Napa 1.5 mile east of Yountville. 30 Comment
  UC1059033  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa 2 mi n Calistoga; meadow from waters supplied by Myrtledale Hot Springs Comment
  UCD53032  Agrostis microphylla A. A. Beetle 1946-5-7 4257 Napa 2 miles N of Calistoga at Myrtledale Hot Springs. Comment
  UCD53065  Agrostis microphylla var. intermedia Beecher Crampton 1956-5-21 3444 Napa meadow of waters supplied by the Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  CAS-BOT-BC139015  Agrostis pallens John Thomas Howell 1943-6-19 18236 Napa Hills southwest of Saint Helena. Comment
  UC1158113  Aira caryophyllea Joseph P. Tracy 1950-5-23 18668 Napa La Jota Plateau Northern Coast Ranges, Howell Mountain 518 Comment
  UCD159958  Aira caryophyllea Alice Warrick 2006-6-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q44. 243 Comment
  JEPS76079  Aira elegantissima W. L. Jepson 1938-5-18 18801 Napa slope above St. Helena Sanitarium (Howell Mountain); Howell Mountain Comment
  CAS-BOT-BC445424  Alisma triviale James L. Reveal 1987-6-7 6410 Napa Along California Highway 128 northeast of Rutherford, along Corn Creek, about 1 mile south of Trail Silverado, about 4 airline miles southeast southeast of St. Helena 76 Comment
  CAS-BOT-BC461083  Allium amplectens John H. Thomas 1955-5-21 5133 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  JEPS47554  Allium amplectens W. L. Jepson 1938-6-8 18904 Napa Butts Canyon Comment
  RSA92951  Allium amplectens Peter H. Raven 1951-6-10 2917 Napa Crater region E of Palisades. 762 Comment
  UCD161509  Allium bolanderi var. bolanderi Jake Ruygt 1989-5-20 2330 Napa Monticello Road at Circle Oaks. 304 Comment
  RSA32797  Allium cratericola A. A. Heller 1938-4-3 15012 Napa Flat, treeless summit of Table Mountain, north of Oroville. 305 Comment
  SBBG842  Allium falcifolium H. and M. Dearing 1939-5-3 3264 Napa Rutherford - Pope Valley Rd Comment
  UC1133798  Allium falcifolium B. O. Schreiber 1938-4-24 2504 Napa 1/2 mi nw Knoxville; Reiff Quadrangle Comment
  UC1585999  Allium falcifolium Barbara Ertter with Annetta Carter 1989-5-28 8506 Napa on Berryessa Rd. 2 mi se Lake Co. line (hills s of road, near Knoxville, extreme n Napa County) 609 Comment
  UCD170807  Allium falcifolium 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
  UCD48254  Allium falcifolium K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 4 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd. 545 Comment
  UCD48255  Allium falcifolium A. Laffin; A. Randall, S. Holck 2002-4-13 3 Napa Napa Co, McLaughlin UC Reserve. North of Knoxville-Berryessa Road. Ca. 0.5 airline mile WSW of old town Knoxville. Volcanic rocky outcrop, ca. 100 yards upslope of road. 437 Comment
  CAS-BOT-BC469029  Allium falcifolium David D. Keck 1933-5-29 2375 Napa 1.3 miles south of Knoxville. Comment
  RSA195377  Allium falcifolium Gilbert Muth 1967-4-16 630 Napa Snell Valley. 183 Comment
  UCD138521  Allium falcifolium M. Ensign 1943-5-28 327 Napa 26 miles from Monticello on road to Lower Lake. Comment
  HSC43914  Allium fimbriatum var. fimbriatum Robert M. Specht 1977-5-14 886 Napa Near junction of Develhead Rd. and Morgan Valley Rd. 463 Comment
  CAS-BOT-BC468998  Allium fimbriatum var. fimbriatum John Thomas Howell 1931-4-3 6131 Napa Pope Creek Canyon, Napa Range Comment
  RSA123161  Allium fimbriatum var. fimbriatum B. O. Schreiber 1938-4-24 2507 Napa 1/2 mile northwest of Knoxville. 610 Comment
  JEPS110935  Allium serra Jake Ruygt 1998-5-2 3955 Napa Landucci Ranch 268 Comment
  JEPS122717  Allium triquetrum Jake Ruygt 1984-4-28 1533 Napa 0.2 mile south of end of Redwood Road. Quad: Sonoma. Comment
  UCD167207  Allophyllum divaricatum Jake Ruygt 1998-6-20 4045 Napa On Palisades trail from RLSSP, east of Table Rock. 701 Comment
  JEPS101637  Allophyllum gilioides subsp. violaceum Dean W. Taylor 1998-6-23 16692 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  RSA262367  Allotropa virgata Gilbert Muth 1971-5-20 1413 Napa 0.5 mile north on Ink Grade Road from Howell Mountain Road, Angwin. 518 Comment
  UCD117325  Allotropa virgata Gilbert Muth 1971-5-20 s.n. Napa 1/2 mile down Ink Grade Road from White Cottage Road, Angwin. Comment
  RSA299415  Alnus rhombifolia W. L. Jepson 1901-8-6 1717 Napa White Sulphur Spring. Comment
  CAS-BOT-BC137958  Alopecurus saccatus Peter H. Raven 1953-5-2 5365 Napa Valley floor east of Yountville. 76 Comment
  JEPS123021  Alopecurus saccatus Jake Ruygt 1982-6-1 1305 Napa 0.3 mile north of Chimney Rock Golf Course. Quad: Yountville. Comment
  JEPS104566  Amaranthus albus Jake Ruygt 1978-8-7 391 Napa .3 miles west of Big Ranch Road on Oak Knoll Ave. 22 Comment
  UCD19922  Amaranthus albus E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 777 Napa Quail Ridge Reserve. Decker Canyon, stock pond on south side of canyon, south of old buildings in pine/ oak woodland. 167 Comment
  UCD161296  Amaranthus deflexus Jake Ruygt 1978-6-20 366 Napa Napa County : 'H' Street, Napa. (Coordinates estimated by label maker at UC Davis). 12 Comment
  CHSC79352  Amelanchier alnifolia Beecher Crampton 1966-5-10 7716 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  CDA34166  Amelanchier pallida D. G. Kelch 2010-4-26 10 .099 Napa Skyline Canyon, E of Napa State Hospital. Comment
  JEPS110658  Amelanchier utahensis Jake Ruygt 1989-4-22 2260 Napa 2.5 miles NE of Atlas Peak Rd. on Monticello Rd. 307 Comment
  RSA26269  Amelanchier utahensis J. T. Howell 1940-5-19 15446 Napa Upper St. Helena Creek. Comment
  UCR146183  Amelanchier utahensis Beecher Crampton 1966-5-10 7716 Napa Inner North Coast Ranges, 9 miles east of Rutherford on State Hwy 128 183 Comment
  JEPS120342  Ammannia robusta Jake Ruygt 2005-10-8 4947 Napa Ink Grade near Butts Canyon Road. Aetna Springs 7.5' Quad. Comment
  UCD127157  Ammi majus Beecher Crampton 1973-6-25 8967 Napa 2 miles north of Oakville. Comment
  UCD127156  Ammi majus Rimo Bacigalupi; G. T. Robbins, C. L. Custer 1954-8-9 4752 Napa escape along roadside, just north of the city limits of Napa, about 1/4 mile west of the northern end of Jefferson Street. 18 Comment
  CAS-BOT-BC177210  Amorpha californica var. napensis Peter H. Raven 1951-8-19 3845 Napa Near Lokoya 487 Comment
  JEPS35496  Amorpha californica var. napensis W. L. Jepson 1894-10-14 13582 Napa sw Calistoga; Rebecca Ranch 213 Comment
  RSA721588  Amorpha californica var. napensis Gordon E. McBride 2001-5-10 s.n. Napa Dry Creek Road about 100 yards east of the intersection with Wall Road, about five miles west of Oakville (just north of Yountville) Comment
  UCD95911  Amorpha californica var. napensis Ellen Dean; with Clare Loughran 2011-5-20 7050 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. At road intersection on western side of property. 608 Comment
  UCD56008  Ampelodesmos mauritanicus R. Tofsrud 1941-5-1 s.n. Napa Mt. St. Helena. Comment
  UCD161230  Amsinckia intermedia Jake Ruygt 2010-3-27 5494 Napa Silverado Trail north of Skellinger Lane. (Coordinates estimated by label maker at UC Davis). 56 Comment
  UCD18086  Amsinckia intermedia Ellen Dean; with PLB 102 class 2000-4-22 642 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  UCD37577  Amsinckia intermedia Beecher Crampton 1955-4-7 2453 Napa 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
  UCD47933  Amsinckia intermedia J. Waggoner; E. Anderson, L. Lina, A. Miles, and R. Wenk 2000-4-22 21 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on east side of dirt road. 390 Comment
  UCD47940  Amsinckia intermedia R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 21 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  JEPS61121  Amsinckia intermedia Willis L. Jepson 1893-4-28 21080 Napa gorge n of Wooden Valley grade (w slope Napa Range, n of Mt. George); Napa River Basin, Napa Range, Mt. George Comment
  UC573154  Amsinckia intermedia Herbert L. Mason 1926-3-20 2755 Napa Calistoga Comment
  JEPS126130  Amsinckia lycopsoides Jake Ruygt 2010-3-13 5488 z Napa Silverado Trail at Zinfandel Lane. Rutherford 7.5' Qua. Comment
  UC24615  Amsinckia lycopsoides Willis L. Jepson 1891-5-1 Napa Upper Conn Valley; Napa River Basin Comment
  JEPS126114  Amsinckia menziesii Jake Ruygt 1992-4-7 2893 Napa Southwest corner of Tuteur Ranch, end Green Valley Road. Mount George 7.5' Qua. Comment
  UCD170158  Amsinckia menziesii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 780 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 445 Comment
  UC702995  Amsinckia menziesii var. menziesii John Thomas Howell 1941-4-5 16170 Napa about 1 mi sw Calistoga Comment
  UCD160336  Anagallis arvensis Nellie Coffey 1931-3-29 s.n. Napa Chiles Valley. Comment
  UCD49110  Anagallis arvensis L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 20 Napa SW end of Lake Berryessa, Quail Ridge Reserve, on slope N of North Decker Canyon Rd., 70-100 ft. N of stream. 182 Comment
  UCD128905  Ancistrocarphus filagineus Robert E. Preston 1988-4-10 579 Napa 0.4 mile SW of the confluence of Putah and Hunting Creeks. 268 Comment
  UCD18094  Ancistrocarphus filagineus Ellen Dean; with PLB 102 class 2000-4-29 750 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
  UC1535365  Ancistrocarphus filagineus J. M. Tucker 1977-4-24 4390 Napa up jeep track ca. 1/3 mi from Berryessa-Knoxville Road (15.9 mi (by road) n of junction with Pope Canyon Road (2 mi se of Knoxville Mine)) 365 Comment
  UC619409  Angelica californica Wilhelm N. Suksdorf 1913-7-26 683 Napa e of Napa Comment
  UCD143049  Angelica californica V. (Shorty) Boucher 2002-4-11 10 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Ashley Easement Rd. (West Rd), at base of road closed with brush pile. About 700 ft NW of locality of Dean 730 (Nasella pulchra), which is ca. 2400 airline feet NW of the junction of West Rd and South Decker Canyon Rd. Coordinates are for the Dean 730 locality. 274 Comment
  UC648280  Angelica californica Alice Eastwood, John Thomas Howell 1939-6-11 7428 Napa w of Calistoga Comment
  CDA40903  Angelica tomentosa G. F. Hrusa, Dmitri Geltman (LE) 1996-6-3 15246 Napa North Coast Biodiversity Arena; Little Stony Creek, approx. 1.5 mi. NE of Stonyford-Lodoga Rd. intersection. Sheet 2 of 2 Comment
  JEPS14088  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  JEPS16006  Angelica tomentosa W. L. Jepson Dec. 1897 13483 Napa St. Helena Comment
  UCD36376  Anthoxanthum odoratum Beecher Crampton 1953-6-2 1434 Napa Napa County, 8 miles south of Middletown, small meadow along Highway 53. Comment
  SEINET3918488  Anthoxanthum odoratum Beecher Crampton 1953-6-2 1434 Napa 8 miles south of Middletown, small meadow along Highway 53.; 0 Comment
  JEPS14070  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
  RSA82871  Anthriscus caucalis J. M. Tucker 1953-5-3 2643 Napa East side of Napa Valley, ca. 2 miles north of St. Helena Comment
  UCD127197  Anthriscus caucalis Joseph M. DiTomaso 1976-4-10 412 Napa on Highway 128, 4 miles west of Monticello Dam at Lake Berryessa. 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
  RSA132844  Antirrhinum kelloggii John H. Thomas 1958-4-19 7123 Napa About 2 miles SW of Oakville. 152 Comment
  UCD33685  Antirrhinum vexillocalyculatum subsp. breweri Beecher Crampton 1971-10-26 8767 Napa 4.7 miles east of Conn Reservoir Dam, State Hwy. 128. Comment
  JEPS110622  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Jake Ruygt 1978-5-23 98 Napa .4 mile west of Langtry Rd. on Spring Mountain Rd. 185 Comment
  UC1196865  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum J. P. Tracy 367 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Moores Creek 365 Comment
  UCD160733  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Ellen Dean 2015-5-23 8785 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UCD170460  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Daniel Potter; Ninh Khuu 2016-6-18 889 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 447 Comment
  UC26386  Antirrhinum virga Willis L. Jepson 1893-9-23 Napa Mt. St. Helena; Napa River Basin Comment
  UCD162422  Aphanes macrosepala Ellen Dean; with Plant Biology 102 class 2001-4-14 716 a Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along South Decker Canyon Rd., just down slope from jct. with Decker Ridge Rd. 335 Comment
  UC623309  Apocynum androsaemifolium H. L. Mason 1939-5-18 12104 Napa Wooden Valley Comment
  SFV5090  Aralia californica B. C. Templeton 1957-6-26 s. n. Napa Calistoga. Near Hill and Connors Ranches. Comment
  JEPS66572  Arbutus menziesii W. L. Jepson 1913-4-15 5308 Napa Howell Mountain 762 Comment
  SEINET265704 Image available Arbutus menziesii Royal D. Suttkus 1967-6-26 67- 30 -1 Napa Clearly Reserves 7.2 mi NW of Pope Valley Comment
  UC876364  Arbutus menziesii Alice Eastwood 1922-3-25 11105 Napa Calistoga Comment
  UCD117478  Arbutus menziesii L. Flaherty 1991-4-4 s.n. Napa Near Los Posadas. Comment
  UCD34066  Arbutus menziesii Beecher Crampton 1975-11-18 9340 Napa South of Wooden Valley along Suisun Creek. Comment
  SEINET11993676  Arbutus menziesii Unknown 1852-1 452 Napa no further locality Comment
  RSA10639  Arceuthobium campylopodum Carl B. Wolf 1928-5-4 1851 Napa Upper slopes of Mount St. Helena. Comment
  CAS-BOT-BC24158  Arctostaphylos Alice Eastwood; John Thomas Howell 1937-4-4 3830 Napa Rocky slope, Wooden Valley grade E of Napa Comment
  SEINET11984892  Arctostaphylos Unknown 1966-1 680 Napa property W of Macdonald Ranch, Las Posadas State Forest Comment
  JEPS38624  Arctostaphylos canescens W. L. Jepson 1913-4-15 5311 Napa La Jota Plateau Howell Mountain Comment
  JEPS38625  Arctostaphylos canescens Willis L. Jepson 1893-9-23 14701 Napa summit of mt. Napa River Basin, 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-BC23992  Arctostaphylos canescens subsp. canescens Ira L. Wiggins 1949-4-30 12082 Napa On saddle about 1.5 miles from summit of Mount St. Helena. 1066 Comment
  CAS-BOT-BC24017  Arctostaphylos canescens subsp. canescens John Thomas Howell 1930-3-23 4564 Napa Crater Country, near Mt. St. Helena Comment
  CAS-BOT-BC24020  Arctostaphylos canescens subsp. canescens Peter H. Raven 1953-2-21 5191 Napa Wooden Valley Grade 274 Comment
  RSA70861  Arctostaphylos canescens subsp. canescens J. T. Howell 1930-3-23 4564 Napa Crater Country' near Mt. St. Helena. Comment
  UC1424918  Arctostaphylos canescens subsp. canescens Gary D. Wallace 1974-12-23 1346 Napa along Hwy 29 just n Robert Louis Stevenson State Park (se of Mt. St. Helena) 609 Comment
  UC763159  Arctostaphylos canescens subsp. canescens R. F. Hoover 1941-4-27 4947 Napa e side Mt. St. Helena Comment
  UCD73431  Arctostaphylos canescens subsp. canescens 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
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Sep 10 2013
  UC876541  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1940-3-6 9496 Napa on Franz Val. road from Calistoga which branches off from Calistoga-Santa Rosa rd thru. Pet. Forest about 2 mi from center of Calistoga Comment
  POM286162  Arctostaphylos canescens var. candidissima Lyman Benson 1928-11-3 395 Napa S. of Middletown, north side Mt. St. Helena. 762 Comment
  CAS-BOT-BC24865  Arctostaphylos glandulosa subsp. cushingiana Lewis S. Rose 1964-4-2 64016 Napa 2 mi. sw. of Angwin. 243 Comment
  RSA169360  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 miles SW of Angwin. 244 Comment
  RSA626916  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24802 Napa Chaparral on southeast side of Mt. Helena. 1020 Comment
  SBBG32425  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 mi SW of Angwin 243 Comment
  CAS-BOT-BC23102  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-7-13 5351 Napa Chaparral on the edge of the Crater Country Comment
  CAS-BOT-BC23148  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1923-5-9 s.n. Napa Mt. St. Helena Comment
  SBBG5421  Arctostaphylos glandulosa subsp. glandulosa Milton Workman 1953-3-23 26 Napa Mix Cyn Comment
  UCR220105  Arctostaphylos glandulosa subsp. glandulosa Ayzik Solomeshch, Stephen Rae 2007-7-8 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  UCSB24479  Arctostaphylos glandulosa subsp. glandulosa McMinn, Howard 1936-4-4 Napa Howell Mt., 3 miles south of Angwin Comment
  RSA355181  Arctostaphylos manzanita L. F. LaPre 1985-4-24 355181 Napa Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. Line and S of Three Peaks. Comment
  RSA633049  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24806 Napa On southeast side of Mt. St. Helena. 810 Comment
  UC876434  Arctostaphylos manzanita Alice Eastwood and John Thomas Howell 1937-4-4 3830 Napa e Napa; Wooden Valley Grade Comment
  UCD18002  Arctostaphylos manzanita Ellen Dean; with Plant Biology 102 class 2001-4-28 733 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Downslope of West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. Along old road that leads NW and downslope along a ridge. 242 Comment
  CAS-BOT-BC24285  Arctostaphylos manzanita subsp. manzanita Ira L. Wiggins 1928-3-24 2861 Napa Grade in old road to lake Co. above Calistoga. Comment
  CAS-BOT-BC38759  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1923-5-25 955 Napa Suisun Creek between Rockville and Wooden Valley Comment
  CAS-BOT-BC38770  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1907-7-27 s.n. Napa Mt. St. Helena, summit 1st ridge on road from Middletown to Knights Valley 731 Comment
  JEPS122808  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-23 5115 Napa Top of Oakville Grade. QUAD: Rutherford. Comment
  JEPS38705  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1918-6-24 7669 Napa halfway down valley floor to Toll House; Mt. St. Helena Comment
  POM131775  Arctostaphylos manzanita subsp. manzanita D. O. Hunt 1899-2-11 10640 Napa St. Helena. Comment
  POM193979  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1930-3-23 4558 Napa Near Mt. St. Helena. Comment
  SBBG5442  Arctostaphylos manzanita subsp. manzanita J. M. Tucker 1941-9-20 396 Napa Putah Cyn, Vaca Range Comment
  UC549540  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-10 641 Napa Mt. St. Helena Comment
  UC909842  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-10 646 Napa Mt. St. Helena Comment
  UCD164871  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2013-2-14 5901 Napa Atlas Peak Road near Milliken Reservoir. Comment
  CAS-BOT-BC43832  Arctostaphylos stanfordiana H. E. McMinn 1922-6-8 173 Napa Howell Mt. Comment
  CAS-BOT-BC43841  Arctostaphylos stanfordiana Alice Eastwood 1918-9-3 7940 Napa Mt. St. Helena Comment
  CAS-BOT-BC43843  Arctostaphylos stanfordiana John Thomas Howell 1926-3-21 1704 Napa Mt. St. Helena Comment
  CAS-BOT-BC43844  Arctostaphylos stanfordiana Alice Eastwood 1923-5-9 11761 Napa Mt. St. Helena Comment
  CAS-BOT-BC43852  Arctostaphylos stanfordiana Mrs. H. P. Bracelin 1930-3-23 s.n. Napa Mt. St. Helena, 1 1/2 mi. S.E. of Mt. St. Helena . Comment
  CAS-BOT-BC43866  Arctostaphylos stanfordiana Alice Eastwood 1922-5-5 11302 Napa Mt. St. Helena Comment
  JEPS38682  Arctostaphylos stanfordiana Willis L. Jepson 1893-9-23 14716 Napa summit of mt. Napa River Basin, Mt. St. Helena Comment
  LA42285  Arctostaphylos stanfordiana Lewis S. Rose; 1939-4-16 39071 Napa 4 mi. NE of Napa 198 Comment
  SJSU5727  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi SW of Angwin 243 Comment
  UC1303138  Arctostaphylos stanfordiana Ira L. Wiggins 1932-3-12 5767 Napa hillside between Calistoga and Franz Valley Comment
  UC205094  Arctostaphylos stanfordiana Katharine Brandegee Napa St. Helena Comment
  UC421586  Arctostaphylos stanfordiana John Thomas Howell 1926-3-21 1704 Napa along trail to summit Mt. St. Helena Comment
  UC483311  Arctostaphylos stanfordiana Ira L. Wiggins 1932-3-12 5768 Napa hillside between Franz Valley and Calistoga Comment
  UC924271  Arctostaphylos stanfordiana H. S. Reed 1939-4-16 229 Napa Napa Hills Comment
  UCD53846  Arctostaphylos stanfordiana Roman Gankin 1966-2-26 679 Napa Ca. 100 yards up hill from gate at roadway; property west of Macdonald Ranch; Las Posadas State Forest. Comment
  SEINET11987173  Arctostaphylos stanfordiana J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4086 Napa Strybing Arboretum, San Francisco, orig. from Napa/Sonoma county line in Butts Canyon Comment
  SEINET12524559 Image available Arctostaphylos stanfordiana L. S. Rose 1935-1 35013 Napa Wooden valley grade 5 mi NE. of Napa. Comment
  UCR212318  Arctostaphylos stanfordiana subsp. decumbens Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
  RSA293009  Arctostaphylos stanfordiana subsp. stanfordiana Reino Alava, Lincoln Constance, Robert Ornduff, Aloha Alava 1957-5-5 A- 750 Napa Mt. Saint Helena. Comment
  RSA70890  Arctostaphylos stanfordiana subsp. stanfordiana J. T. Howell 1930-3-23 4559 Napa Near Mt. St. Helena. Comment
  UCD73840  Arctostaphylos stanfordiana subsp. stanfordiana Ellen Dean; S. Rae 2008-5-21 4975 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 238 Comment
  UCD73847  Arctostaphylos stanfordiana subsp. stanfordiana Ellen Dean; S. Rae 2008-5-21 4982 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 269 Comment
  CDA11907  Arctostaphylos viscida G. F. Hrusa, G. L. Stebbins 1994-4-8 11713 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  SD125709  Arctostaphylos viscida L LaPre 1985-4-24 Napa Three Peaks, 5 miles southeast of Middletown, north end of Livermore Rd., near Napa County line Comment
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Jul 28 2014
  UCD52212  Arctostaphylos viscida R. L. Smith 1948-4-17 s.n. Napa 5 miles north of Aetna Springs, Pope Valley, Napa County, California. Comment
  JEPS126085  Arctostaphylos viscida subsp. pulchella Jake Ruygt 1979-3-11 446 Napa 2.5 miles east of Silverado Trail on Sage Canyon Road. Yountville 7.5' Qua. Comment
  JEPS20963  Arnica discoidea R. F. Hoover 1941-5-19 5014 Napa Mt. St. Helena (e side) Mt. St. Helena 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
  OBI74550  Artemisia douglasiana David J. Keil 1986-11-8 19796 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 3 mi S of turnoff to Homestake McLaughlin Mine/Mill 350 Comment
  JEPS104559  Asarum caudatum Jake Ruygt 1980-3-30 821 Napa Van Ness Canyon 609 Comment
  UC22963  Asclepias cordifolia Willis L. Jepson 1894-5-1 Napa St. Helena Napa River Basin 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
  UCD148097  Asclepias eriocarpa Jake Ruygt 2002-8-24 4451 Napa Calistoga; northwest corner of Mora Lane and Silverado Trail. 124 Comment
  UCD170282  Asclepias fascicularis Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 822 Napa Knoxville Wildlife Area, north of Nevada Creek. 496 Comment
  UCD20731  Asclepias fascicularis Ellen Dean; w/ Mark Bibbo 2002-6-17 1095 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. 198 Comment
  POM215111  Aster sonomensis J. T. Howell 1932-10-8 10797 Napa 7 miles south of Napa Comment
  CAS-BOT-BC178660  Astragalus claranus D. O. Hunt 1922-4-19 s.n. Napa Near St. Helena Comment
  JEPS21030  Astragalus claranus W. L. Jepson 1924-4-6 10323 Napa Conn Valley , Conn Valley (Napa Range) Comment
  RSA424721  Astragalus claranus Aaron Liston, M. Blumler, B. Grummer 1987-4-25 661 -1 Napa NE side of Lake Hennessey, Conn Valley Road. Comment
  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
  UCD104803  Astragalus gambelianus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  CAS-BOT-BC193129  Astragalus rattanii var. jepsonianus David D. Keck 1933-5-29 2361 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC17535  Athysanus pusillus Peter H. Raven 1950-4-15 1709 Napa Silverado Trail outside of Napa. 15 Comment
  CDA10913  Avena barbata G. F. Hrusa, M. Rejmanek 1993-5-15 11009 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CAS-BOT-BC145930  Avena fatua Beecher Crampton 1956-3-13 3228 Napa State Highway 128, 1 mile south of Rutherford, Napa Valley. Comment
  UCD56313  Avena fatua A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3539 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  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
  UCD81444  Baccharis salicifolia subsp. salicifolia M. Wiesendanger 1926-4-1 1498 Napa Napa County. Comment
  UCD112239  Barbarea Christopher Mallek 2008-5-12 AS2- 4 Napa Aetna Springs. 668 Comment
  JEPS106775  Barbarea orthoceras Jake Ruygt 1977-3-7 146 Napa hills east of east end Westgate Dr., Silverado Country Cl. 213 Comment
  UCR267445  Barbarea vulgaris Catherine Koehler 2012-5-23 s.n. Napa McLaughlin UC Reserve; Hunting Creek between Hunting Creek Campground and contractor road 366 Comment
  JEPS75994  Beckmannia syzigachne W. L. Jepson 1936-6-2 17608 Napa hills to e Yountville (e side of road); Napa Valley Comment
  JEPS11297  Bellardia trixago W. L. Jepson 1921-5-6 9195 Napa w of Napa (on Sonoma road) Comment
  UCSB27483  Berberis nervosa Havlik, Neil 1969-6-29 Napa Along Trout Creek on the northeastern slope of Mount St. Helena 762 Comment
  CAS-BOT-BC75848  Berberis pinnata Peter H. Raven 1951-6-10 s.n. Napa Crater Region east of Pinnacels. 762 Comment
  UC118106  Berberis pinnata Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
  JEPS106878  Berberis pinnata subsp. pinnata Jake Ruygt 1982-3-10 1127 Napa north of American Canyon on county line 280 Comment
  SBBG128614  Bergia texana L. Ahart 2009-10-27 16485 Napa below the high water line of Lake Berryessa, ca. 100 yards E of Eticuera Crk, ca. 50 yards S of Eticuera parking Area at the NE end of the causeway, on the S side of Berryessa Knoxville Rd, ca. 20 mi NW of Winters 130 Comment
  UCD161759  Boechera breweri subsp. breweri Jake Ruygt 1998-3-28 3893 Napa The Beehive, Rattlesnake Ridge. 762 Comment
  PASA1885  Boisduvalia densiflora Frank W. Peirson 1928-7-4 Napa Summit of St. Helena Grade Comment
  RSA182010  Boisduvalia densiflora var. densiflora W. L. Jepson 1944-7-30 27545 Napa 3 miles SE of Yountville, Napa Valley. Comment
  JEPS121374  Bolboschoenus maritimus subsp. paludosus Jake Ruygt 1982-5-13 1247 Napa .5 miles south of Imola Ave.; south end of Jefferson St,, Napa Comment
  UC841023  Bolboschoenus robustus Milo S. Baker 1932-10-8 6039 Napa bank of Napa River at Cuttings Wharf; bank of Napa River at Cuttings Wharf Comment
  UCD16049  Brassica nigra C. L. Hallock; C. Kennedy, L Condon, N. Strahan, R. Flannery 2000-4-22 26 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 12-24 m tall, flowers yellow. Comment
  RSA0125931  Brassicaceae Keith E. Hoffmaster 1946-3-23 1117 Napa Napa range, along Napa-Monticello road Comment
  CAS-BOT-BC106268  Brickellia californica John Thomas Howell 1927-8-24 3047 Napa In bed of Pope Valley Creek between Walter's Springs and Samuel's Springs, Napa Range Comment
  UCD121153  Briza maxima Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7349 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.2 mile from Fire Station, along dirt road that travels north/northeast from Station. 522 Comment
  CAS-BOT-BC145367  Briza minor John H. Thomas 1955-5-21 5132 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  JEPS76094  Briza minor W. L. Jepson 1938-5-25 18857 Napa Howell Mt. Napa Range (meadow on road into Bell Canyon) 579 Comment
  UC1442894  Brodiaea elegans subsp. elegans Theodore F. Niehaus 1965-5-15 522 Napa on Silverado Trail ca 1 mi n Yountville Junction Comment
  CAS-BOT-BC484197  Brodiaea elegans var. elegans Betty H. Johnson 1958-6-15 623 Napa Near St. Helena River, 6.4 mi S.W. of Middletown Comment
  RSA785743  Brodiaea laxa Carrie A. Herd 1982-5-9 96 Napa Sage Canyon Road 0.8 m. W.. of Con Dam Comment
  UCD148581  Brodiaea leptandra Jake Ruygt 1995-6-26 3510 Napa Napa County; about 2 miles south of Lake Hennessey on private road (Taylor). 1360 Comment
  UCD168502  Brodiaea leptandra Shannon Hickey 2017-6-15 9 Napa along the west fork of Wild Horse Valley Road between Leoma Lakes and Wild Horse Valley. (Locality information and elevation interpreted by label maker from the collector provided coordinates.) 432 Comment
  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
  RSA125806  Brodiaea terrestris subsp. terrestris Peter H. Raven 1958-5-5 10750 Napa Near the Hot Springs, Calistoga. 91 Comment
  UCD58248  Bromus carinatus A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3540 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  JEPS123013  Bromus carinatus var. carinatus Jake Ruygt 1990-5-16 2549 Napa Calistoga Campground, Lommel Road. Quad: Calistoga. Comment
  JEPS123014  Bromus carinatus var. carinatus Jake Ruygt 1991-4-17 2622 b Napa Montgomery Creek about 1/2 mile west of Mt. Veeder Road. Quad: Rutherford. Comment
  CAS-BOT-BC156284  Bromus catharticus Peter H. Raven 1951-6-24 3000 Napa Napa. 30 Comment
  UC60218  Bromus diandrus Willis L. Jepson Napa Napa River Basin, Napa Valley Napa Valley; Napa River Basin, Napa Valley Comment
  UCD120796  Bromus diandrus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7333 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  HSC43959  Bromus hordeaceus Robert M. Specht 1977-4-19 690 Napa Above drainage running NE from Adams Creek. 518 Comment
  JEPS129106  Bromus laevipes Jake Ruygt 2016-5-3 6223 Napa Canyon south of Oil Well Road; E of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  JEPS75638  Bromus laevipes W. L. Jepson 1936-5-28 17545 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  UCD72384  Bromus laevipes G. F. Hrusa; Marcel Rejmanek 1993-5-15 10976 Napa Quail Ridge Reserve--Univ. of California. 225 Comment
  UCD72385  Bromus laevipes G. F. Hrusa; Marcel Rejmanek 1993-5-15 10973 Napa Quail Ridge Reserve--Univ. of California. 225 Comment
  UCD58968  Bromus madritensis Beecher Crampton 1962-5-16 6441 Napa 3 miles SW of Monticello Dam. Vaca Mtns. Markley Canyon. Along State Hwy. 128. Comment
  UCD121177  Bromus rubens Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7357 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 416 Comment
  CAS-BOT-BC161639  Bromus sterilis Peter H. Raven 1951-4-8 2765 Napa Yountville. 48 Comment
  CDA31292  Bromus sterilis D. G. Kelch 2010-5-6 10 .178 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD17978  Bromus sterilis Ellen Dean; with Plant Biology 102 class 2001-4-14 703 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, below stock pond. 152 Comment
  UCD95682  Bromus sterilis Ellen Dean; with Clare Loughran 2011-5-20 7027 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  UCD57541  Calamagrostis ophitidis Beecher Crampton 1957-5-16 4045 Napa north end of Capell Valley, above Capell Creek, State Hwy. 128. Comment
  SBBG21229  Calamagrostis rubescens B. Crampton 1961-6-12 Napa 7 mi E of Napa, Howell Mtn, summit of St Hwy 37 Comment
  JEPS112605  Calandrinia ciliata Jake Ruygt 1979-3-5 438 Napa Trefethen Vineyards 30 Comment
  UCD148839  Calandrinia ciliata Ellen Dean; Diana Hickson 2014-4-29 8143 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UCD19941  Calandrinia ciliata E. A. Dean; Virginia Boucher 2002-2-28 899 Napa Quail Ridge Reserve. Along East Rd., 0.4 airline miles N of junction with Hwy 128. 335 Comment
  UCD100279  Calandrinia ciliata M. R. Wanzer 1948-5-15 21 Napa just south of the judging pavilion, University of California campus, Davis. Comment
  SJSU9988  Calochortus amabilis J. C. Gibbany 1960-4-30 73 Napa Redwood Rd 7 mi NW of Napa Comment
  UC130972  Calochortus amabilis Katharine Brandegee 1909-6-1 Napa Pope Valley Grade from Calistoga 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
  UCD139467  Calochortus amabilis M. Sidells 1996-4-27 26 Napa north of Route 128, 2 miles east of Lake Berreyessa. Putah Creek. 280 Comment
  UCD139478  Calochortus amabilis H. Popenoe 1949-5-1 19 Napa one mile from Pope Valley on road to St. Helena. Comment
  UCD139484  Calochortus amabilis Bill Wengeler 1995-4-16 s.n. Napa approximately 5 miles north of Hwy 128 along Knoxville Road. 146 Comment
  UCD73382  Calochortus amabilis Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
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Nov 1 2011
  CAS-BOT-BC488491  Calochortus amabilis L. R. Abrams 1928-5-3 12208 Napa St. Helena Grade Comment
  CAS-BOT-BC488496  Calochortus amabilis Betty H. Johnson 1959-6-8 606 Napa In meadow near St. Helen River 2.4 mi. S.W. of Middletown. Comment
  UC796458  Calochortus amabilis Ira L. Wiggins 1949-4-30 12073 Napa about 1.5 mi ne Calistoga (along old toll road between Calistoga and Middletown) Comment
  JEPS113981  Calochortus luteus Jake Ruygt 1982-5-25 1286 Napa Suscol Hill, west of Highway 29 (221). Cuttings Wharf 7.5' Quad. 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
  UC14991  Calochortus luteus J. P. Tracy 1899-6-19 449 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD170363  Calochortus luteus Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 861 Napa Knoxville Wildlife Area, south of Nevada Creek. 450 Comment
  CAS-BOT-BC492542  Calochortus luteus David D. Keck 1933-5-29 2364 Napa Pope Creek bridge south of Walters Springs Comment
  UCD39242  Calochortus luteus B. Crampton 1971-5-19 8713 Napa South of Wooden Valley. Napa and Solano County border. Comment
  UCD166652  Calochortus superbus Jake Ruygt 2005-6-1 4878 Napa Knoxville Wildlife Area; spur ridge of Blue Ridge, 1 mile N of Mays Flat. 283 Comment
  JEPS17795  Calochortus uniflorus Willis L. Jepson 1893-5-2 Napa Calistoga Napa River Basin Comment
  CAS-BOT-BC496926  Calochortus vestae David D. Keck 1933-5-29 2364 Napa Pope Creek bridge south of Walters Springs Comment
  UCD166653  Calochortus vestae Jake Ruygt 1995-6-5 3491 Napa 1.5 miles south of Lake Hennessey on private (Taylor) road. 402 Comment
  CAS-BOT-BC273286  Calycadenia fremontii G. D. Carr 1971-8-6 616 Napa Lower Chiles Valley Rd, 1.3 mi N of its jct with Hwy 128, 11 mi SE of Pope Valley 313 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
  UC1876230  Calycadenia fremontii Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Rd., 1.3 mi S of Snell Valley Rd. Comment
  JEPS38540  Calycadenia multiglandulosa W. L. Jepson 1916-8-6 6832 Napa Howell Mt. Comment
  UC1876150  Calycadenia multiglandulosa Gerald D. Carr 1971-6-17 566 Napa Jct. of Howell Mt., Deer Park, and White Cottage Rds. Comment
  CAS-BOT-BC270613  Calycadenia multiglandulosa David D. Keck 1933-7-1 2467 Napa Howell Mountain, 2 miles SW of Pacific Union College Comment
  CAS-BOT-BC270824  Calycadenia pauciflora Gerald D. Carr 1971-9-20 666 Napa 4.2 miles N of Spanish Flat on Knoxville - Berryessa Road 152 Comment
  CAS-BOT-BC270839  Calycadenia pauciflora David D. Keck 1933-7-1 2466 Napa Butts Creek Canyon, ca. 5 miles NE of Aetna Springs Comment
  JEPS38579  Calycadenia pauciflora W. L. Jepson 1891-9-21 Napa Miller Canon Vaca Mts. Comment
  RSA255521  Calycadenia pauciflora Gerald D. Carr 1972-8-21 728 Napa 2.4 miles east of Butts Canyon Road on Snell Valley Road 183 Comment
  RSA255600  Calycadenia pauciflora Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Road, 1.3 miles south of Snell Valley Road Comment
  CAS-BOT-BC271572  Calycadenia truncata subsp. truncata David D. Keck 1933-11-10 2720 Napa 1 mi. N. of Yountville Comment
  CAS-BOT-BC271555  Calycadenia truncata subsp. truncata H. M. Hall 1924-10-4 12109 Napa Near Yountville Comment
  CAS-BOT-BC271558  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  CAS-BOT-BC90957  Calycanthus occidentalis James L. Reveal 1987-6-7 6395 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road. About 6.5 miles northwest of Vacaville. 609 Comment
  JEPS40305  Calycanthus occidentalis W. L. Jepson 1899-6-1 Napa Vaca Mts. Comment
  JEPS45706  Calycanthus occidentalis W. L. Jepson 1895-11-27 Napa St. Helena Comment
  POM196460  Calycanthus occidentalis J. T. Howell 1927-8-23 3041 Napa Sage Canon, Napa Range. 91 Comment
  RSA456155  Calycanthus occidentalis B. C. Templeton 1957-6-26 s.n. Napa About 1.1 miles E of Calistoga. Comment
  SD13654  Calyptridium monospermum Susan G. Stokes Aug 1910 Napa Old Baldy Comment
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Feb 17 2010
  JEPS41086  Calyptridium quadripetalum Rimo Bacigalupi and L. R. Heckard 1965-5-15 9091 Napa headwaters of creek 1/2 mi se Devilhead Road (from Knoxville to Cedar Valley) (ne Napa Co.); Zim Zim Creek 487 Comment
  UCSB4982  Calystegia collina Kamb, Peter; Chisaki, Francia 1958-4-22 Napa Sage Creek, ca. 3 miles east of Chiles Valley 304 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
  JEPS101706  Calystegia collina subsp. oxyphylla Dean W. Taylor 1998-6-3 16463 Napa dirt rd 0.4 miles N Twin Peak Mine, Bateman Cr drainage 579 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
  UCD48863  Calystegia purpurata K. Mogel; B. Pekin and M. Higley 2002-5-4 18 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 300 ft. along the upper road that leads to the power lines; on side of road. 335 Comment
  UCD70455  Calystegia purpurata P. J. Plummer 1995-5-27 s.n. Napa East facing hillside 25 m off hwy 128. 335 Comment
  UC449947  Calystegia purpurata H. P. Chandler 1907-5-29 7594 Napa White Sulphur Spr , White Sulphur Spr (St. Helena) Comment
  CAS-BOT-BC224631  Calystegia purpurata subsp. purpurata Ira L. Wiggins 1949-4-30 12080 Napa Between Calistoga and Middletown Comment
  CAS-BOT-BC224342  Calystegia subacaulis subsp. subacaulis Rimo Bacigalupi 1928-6-20 1859 Napa Howell Mt 10 miles west of St Helena Comment
  UCD114109  Camelina sativa J. C. Sweet 1917-5-3 s.n. Napa Napa County. Comment
  HSC43955  Camissonia ignota Robert M. Specht 1977-4-19 697 Napa Above drainage running NE from Adams Creek. 518 Comment
  UCD54565  Camissoniopsis hirtella K. Walker; PLB 102 2006-5-13 7 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  UC169030  Campanula griffinii Joseph P. Tracy 1902-5-21 1576 1/2 Napa on hills at head of Moore's Creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain 457 Comment
  UCD75839  Campanula griffinii Jake Ruygt 1996-5-14 3691 Napa White Cliff Springs, Elder Valley, Sabini property. 384 Comment
  JEPS106560  Campanula prenanthoides Jake Ruygt 1978-7-2 376 Napa .75 miles west of HWY 29 on Diamond Mountain Road 146 Comment
  UCD18039  Capsella bursa-pastoris Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 590 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley, just E of site of old town of Knoxville. Near old Osage orange tree by creek. 402 Comment
  UCD114140  Capsella bursa-pastoris David Lawfer 1952-3-11 107 Napa Napa. Comment
  UCD114190  Cardamine californica G. F. Hrusa; G. L. Stebbins 1994-3-11 11597 Napa Las Posadas State Forest; immediately E of Fire Station in upper drainage of Moore Creek. 450 Comment
  UCD170198  Cardamine californica Daniel Potter 2015-3-14 759 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 248 Comment
  UCD74393  Cardamine californica Jake Ruygt 2006-4-15 4978 Napa Las Posadas State Forest, near county road. 507 Comment
  CDA11617  Cardamine californica var. integrifolia G. F. Hrusa, G. L. Stebbins 1994-3-11 11597 Napa North Coast Biodiversity Arena; Las Posadas State Forest, immediately E of Fire Station in upper drainage of Moore Creek. Comment
  JEPS77946  Cardamine californica var. integrifolia Edward Lee 1936-3-15 1912 Napa Rutherford-Pope Valley road 10.7 mi out Rutherford; near Rutherford Comment
  POM225547  Cardamine californica var. integrifolia J. T. Howell 1931-4-3 6150 Napa Near summit of Butts Canyon Road, to Middletown from Aetna Springs. Comment
  JEPS53370  Cardamine californica var. integrifolia Willis L. Jepson 1896-2-23 13396 Napa Howell Mountain Napa River Basin, Howell Mountain Comment
  UCD18023  Cardamine hirsuta Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 569 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  CAS-BOT-BC37858  Cardamine oligosperma Peter H. Raven 1953-3-29 5216 Napa Hills east of Imola. 121 Comment
  CDA6880  Carduus pycnocephalus T. C. Fuller 1958-5-1 451 Napa State Highway 53 to Middletown, 2.5 miles north of Calistoga. 0 Comment
  UCD41308  Carduus pycnocephalus Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 1 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, W side of Knoxville Creek, 1 road mile S of the gate to old town of Knoxville. 353 Comment
  UCD159927  Carduus pycnocephalus subsp. pycnocephalus Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  SBBG14800  Carduus pycnocephalus subsp. pycnocephalus P. H. Raven 1962-5-31 17922 Napa ca. 3.8 mi N of jct of St Hwy 37 with rd to Fairfield Comment
  CAS-BOT-BC18182  Carex John H. Thomas 1969-4-29 15029 Napa Between road and railroad tracks at Yountville. Comment
  CAS-BOT-BC17797  Carex amplifolia Hugh Leech 1972-11-6 s.n. Napa Napa Range. 2.5 miles north of Angwin. Comment
  UC50828  Carex amplifolia J. P. Tracy 1902-5-21 1606 Napa 3-4 mi e Angwin's (head of Moore's Creek); Moore's Creek 365 Comment
  JEPS121351  Carex barbarae Jake Ruygt 2006-4-15 4990 Napa S. of Yountville, w. side of Hwy 29. Comment
  JEPS63519  Carex barbarae W. L. Jepson 1934-10-19 16900 Napa Napa River near St. Helena Comment
  POM118371  Carex densa Marcus E. Jones 1924-4-24 s.n. Napa Napa. 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
  UC824766  Carex densa Lewis S. Rose 1935-6-4 35193 Napa Roadside ditch Oakville Comment
  UCD161705  Carex densa Jake Ruygt 2010-6-21 5617 Napa Highway 29 just south of Heitz Way, south side of road. (Coordinates converted from UTM by label maker.) 94 Comment
  UCD81809  Carex densa Ellen Dean; Stephen Rae 2009-4-21 5436 Napa Along Friesen Lakes Road, NW of Anguin. 563 Comment
  SEINET7556714 Image available Carex densa Lewis R. Rose 1935-6-4 35205 Napa E slope Mt St Helena. Comment
  UCD161704  Carex densa Jake Ruygt 2010-6-5 5596 Napa Moskowite Corner, Highway 128 and 121. 252 Comment
  UCD161741  Carex densa Jake Ruygt 1993-4-18 3207 -c Napa north of American Canyon Creek, south of American Canyon sanitation. 2 Comment
  UCD161751  Carex densa Jake Ruygt 1996-3-30 3540 -b Napa Jameson Vineyards, South Kelly Road. 60 Comment
  JEPS121350  Carex dudleyi Jake Ruygt 2006-4-15 4980 Napa Highway 29, about 0.5 mi. south of Lincoln Ave., Calistoga. Comment
  CAS-BOT-BC19983  Carex feta Peter H. Raven 1952-5-26 4043 Napa Howell Mountain. 548 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
  UCD73496  Carex nudata Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC119514  Carex nudata Lewis Samuel Rose 1961-3-30 61024 Napa Conn Reservoir. Lake Hennessy stream bank. 60 Comment
  RSA155418  Carex nudata L. S. Rose 1961-3-30 61024 Napa Lake Hennessy. 61 Comment
  CAS-BOT-BC118466  Carex praegracilis Wm. Siler 1938-4-11 s.n Napa Calistoga 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
  UC1153782  Carex serratodens B. Crampton 1957-4-22 3942 Napa above Capell Creek (along new section Hwy. 128); Capell Valley Comment
  UCD148831  Carex serratodens Ellen Dean; Diana Hickson 2014-4-29 8136 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  SEINET13331031 Image available Carthamus lanatus T. C. Fuller 1961-6-15 6337 Napa Scattered patches in dry pasture F.J. Tamangi property, W. of Silverado Trail, 0.5 mi. N. of Larkmead Lane, 2 mi. SE of Calistoga Comment
  CAS-BOT-BC248977  Castilleja John Thomas Howell 1931-4-2 6095 Napa 10 miles east of Napa on road to Monticello, Napa Range Comment
  UCD122178  Castilleja affinis M. Wiesendanger 1927-5-4 693 Napa Monticello-Napa Rd. Comment
  JEPS25049  Castilleja affinis subsp. affinis J. P. Tracy 1899-6-26 371 Napa 32 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  JEPS35588  Castilleja affinis subsp. affinis L. R. Heckard 1964-6-11 1366 Napa 1.3 mi sw Calif. Hwy. 121 junction with Wooden Valley road (along Calif Hwy 121, above Wooden Valley) Comment
  SEINET10702279 Image available Castilleja ambigua A. Arthur Heller 1902-5-24 Heller 5601 Napa Near Napa. Comment
  JEPS110632  Castilleja ambigua subsp. ambigua Jake Ruygt 1994-4-29 3362 Napa Fagan Slough 1 Comment
  CAS-BOT-BC435519  Castilleja ambigua var. meadii Jake Ruygt 2011-5-28 5793 Napa Giles Mead Ranch, W of Atlas Peak Rd., 2.4 km S of Foss Valley 487 Comment
  JEPS57375  Castilleja applegatei subsp. martinii L. R. Heckard and T. I. Chuang 1968-6-18 1941 Napa 1 mi below Ink Grade junction with Howell Mt. road (Ink Grade, ne of Angwin) 457 Comment
  UCD70470  Castilleja applegatei subsp. martinii P. J. Plummer 1995-6-5 s.n. Napa W of city of Winters, hillsides off hwy 128. 73 Comment
  JEPS103916  Castilleja applegatei subsp. martinii T. I. and F. M. Chuang 1991-6-23 7835 Napa Near summit between Calistoga and Middletown. Comment
  UC1012334  Castilleja applegatei subsp. martinii F. W. Pennell and H. L. Mason 1940-5-21 25479 Napa s of Calistoga (Route 29) 152 Comment
  UC124333  Castilleja attenuata C. F. Baker 1903-4-19 1993 Napa Calistoga Comment
  UCD49260  Castilleja attenuata S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 20 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 207 Comment
  JEPS21806  Castilleja attenuata Margaret Whitmore 1958-4-11 43 Napa 2 mi n Napa (on Atlas Peak road) 16 Comment
  JEPS110669  Castilleja densiflora subsp. densiflora Jake Ruygt 1990-4-20 2485 Napa near end of Henry Rd. 97 Comment
  JEPS9416  Castilleja densiflora subsp. densiflora Willis L. Jepson 1893-5-1 21374 Napa Calistoga Napa River Basin, Upper Napa Valley Comment
  JEPS21807  Castilleja densiflora subsp. densiflora Margaret Whitmore 1958-4-11 42 Napa 2 mi n Napa (on Atlas Peak Road) 16 Comment
  UCD122424  Castilleja exserta C. G. Baughn 1949-4-24 15 Napa Beside Highway 12, 3 1/4 miles northwest of Cordelia. Comment
  HSC72429  Castilleja foliolosa J. P. Smith, J. O. Sawyer 1970-5-17 3780 Napa 8 mi. N of Pope Valley Comment
  UCD160799  Castilleja foliolosa Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8679 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD18055  Castilleja foliolosa Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 609 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
  UCD18159  Castilleja foliolosa Eva Bayon; with PLB 102 class 2000-4-29 s.n. Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD48219  Castilleja foliolosa D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa, and K. Watts 2000-4-28 10 Napa Napa County, McLaughlin Reserve, first ridgesouth of Knoxville Rd., along Devilhead Rd., west side of rd., top of hill ca. 20 ft. from lookout tower. 548 Comment
  UCD48223  Castilleja foliolosa A. Hufton; S. Burgess, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 7 Napa Yolo Co/ Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
  JEPS110656  Castilleja minor subsp. spiralis Jake Ruygt 1982-3-10 1125 Napa north side of American Canyon 128 Comment
  JEPS86591  Castilleja minor subsp. spiralis L. R. Heckard with Jake Ruygt 1987-5-10 6659 Napa ca 0.25 mi ne Quarry (ne of Vallejo); American Canyon Ridge Comment
  OBI9646  Castilleja minor var. spiralis Robert F. Hoover 1966-8-23 9935 Napa Butts Cyn, near Lake Co line Comment
  UCD123048  Castilleja rubicundula subsp. lithospermoides Gerald D. Carr; R. F. Denno 1971-5-13 544 Napa Roadside field, 1.0 mi N of jct. of Lower Chiles Valley Rd. with Calif. 128, on Lower Chiles Valley Rd. Comment
  UCD167991  Caulanthus lasiophyllus James A. Neilson Jr. 1977-4-13 3872 Napa Oat Hill Mine Road, 1/2 mile west Maple Springs. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC83849  Ceanothus confusus D. O. Burge 2008-6-1 1006 c Napa Mount Saint Helena, eastern slopw of SE-most peak 1000 Comment
  JEPS110721  Ceanothus confusus Jake Ruygt 1977-3-27 163 Napa Mt. St. Helena 944 Comment
  CAS-BOT-BC48941  Ceanothus cuneatus John Thomas Howell 1930-7-13 5364 Napa Crater Country Comment
  CAS-BOT-BC48943  Ceanothus cuneatus H. E. McMinn 1925-1-24 1392 Napa Along road from summit of Wooden Valley grade to Montecello Comment
  CAS-BOT-BC48944  Ceanothus cuneatus Frank A. Leach 1921-3-1 s.n. Napa hills back of Napa asylum Comment
  UC1607873  Ceanothus cuneatus C. G. Nast 1936-3-27 57 Napa Berryessa Valley Comment
  JEPS110720  Ceanothus cuneatus var. cuneatus Jake Ruygt 1991-3-30 2618 Napa crest of Oakville Grade 274 Comment
  JEPS42208  Ceanothus cuneatus var. cuneatus Willis L. Jepson 1893-4-25 13996 Napa w St. Helena (trail to Caux's Cabin); Hoods Peak Range Comment
  UC18283  Ceanothus cuneatus var. cuneatus Willis L. Jepson 1893-4-25 Napa trail to Caux's cabin. Napa River Basin Comment
  CAS-BOT-BC49803  Ceanothus divergens Brandegee 1889-6-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC49804  Ceanothus divergens H. E. McMinn 1926-1-2 1627 Napa Along trail up Mt. St. Helena Comment
  CAS-BOT-BC64436  Ceanothus divergens Rimo Bacigalupi 1926-3-28 1270 Napa Between 1st and 3rd summit Mt. St. Helena. Comment
  POM125424  Ceanothus divergens Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena. Comment
  RSA26416  Ceanothus divergens J. T. Howell 1941-4-5 s.n. Napa Franz Valley Comment
  OBI10527  Ceanothus foliosus H. E. McMinn 1936-4-4 4378 Napa Howell Mt 2 mi S of Angwin Comment
  UC79969  Ceanothus foliosus Katharine Brandegee 1889-4 Napa Mt. St. Helena Comment
  UC903052  Ceanothus foliosus Ethel Crum 1937-4-19 1779 Napa 6 mi n Napa; Mt. George, Napa Range 304 Comment
  CAS-BOT-BC50879  Ceanothus foliosus var. foliosus Peter H. Raven 1951-5-26 2891 Napa Howell Mtn. to St. Helena 243 Comment
  SBBG118108  Ceanothus foliosus var. foliosus C. Bornstein, E. Collins 2004-6-19 Napa Aetna Springs Rd, 1.9 mi W of jct with Pope Valley Rd 304 Comment
  UCD73460  Ceanothus foliosus var. foliosus Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  RSA10662  Ceanothus foliosus var. vineatus Carl B. Wolf 1928-5-3 s.n. Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  UCD112497  Ceanothus integerrimus K. Esau; E. Hyde 1938-5-15 s.n. Napa Mt. St. Helena. Comment
  UCD112504  Ceanothus integerrimus R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs. Comment
  RSA261436  Ceanothus jepsonii R. . F Denno 1967-4-15 50 Napa 1 mile N on lower Chiles Valley road of Hwy 128 Comment
  UCD112064  Ceanothus jepsonii Mrs. L. Rowntree 1930-7-15 s.n. Napa Sage Canyon. Comment
  UCD118607  Ceanothus jepsonii William Goss; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 407 Comment
  UCD149676  Ceanothus jepsonii Stephen P. Rae; Ayzik Solomeshch 2006-4-14 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  UCD147529  Ceanothus oliganthus Ellen Dean; Diana Hickson 2014-4-29 8083 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  JEPS42216  Ceanothus oliganthus var. sorediatus W. L. Jepson 1893-4-25 14005 Napa w St. Helena (Caux's Knob) Comment
  UCD112304  Ceanothus oliganthus var. sorediatus Robert C. Bechtel 1952-4-20 70 Napa Samuel Springs, 7 miles northwest of Monticello. 91 Comment
  UCD67893  Ceanothus oliganthus var. sorediatus F. Takeda 1977-4-16 21 Napa 4.5 mi. SW of Monticello Dam, along Hwy 128, 15 yards off Hwy. 128. Growing on north-facing slope in chaparral. Tree 4 m tall with gray bark, light purple petals, and small flowers. 152 Comment
  CAS-BOT-BC53177  Ceanothus parryi C. Hart Merriam 1915-6-19 s.n. Napa Ridge west of Napa (between Napa and Sonoma, above Sequoia Resort) Comment
  CAS-BOT-BC53182  Ceanothus parryi Lester Rowntree 1933-4-17 s.n. Napa Near St. Helena Comment
  CAS-BOT-BC53212  Ceanothus parryi Gilbert Muth 1967-4-9 613 Napa Kidd Canyon, brushy hillside 518 Comment
  CAS-BOT-BC53221  Ceanothus parryi Alice Eastwood 1915-6-5 4651 Napa Calistoga Comment
  CAS-BOT-BC53224  Ceanothus parryi Alice Eastwood; John Thomas Howell 1939-6-11 7431 Napa Hills west of Calistoga Comment
  JEPS110731  Ceanothus parryi Jake Ruygt 1976-4-23 18 Napa 2.1 miles NE of Silverado Trail on Deer Park Road 213 Comment
  OBI10390  Ceanothus parryi Milo S. Baker 1934-4-12 7723 Napa E slope of Mt St. Helena along hwy Comment
  RSA182686  Ceanothus parryi D. D. Keck 1931-4-2 10112 Napa Foot of Wooden Valley Grade, W base of Napa Range, 4.5 miles NE of Napa. 90 Comment
  UC18398  Ceanothus parryi Willis L. Jepson 1893-5-6 Napa near Calistoga; Napa River Basin, near Calistoga Comment
  CAS-BOT-BC52180  Ceanothus purpureus W. L. Jepson 1904-6-3 2451 Napa Howell Mt. Comment
  CAS-BOT-BC52188  Ceanothus purpureus H. E. McMinn 1925-1-23 1367 a Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC83729  Ceanothus purpureus D. O. Burge 2007-5-4 905 b Napa Atlas Road, at roadside 5.7 road miles (9.1 km) N of intersection with Monticello Road (SR 121) 410 Comment
  CHSC106015  Ceanothus purpureus Ayzik Solomeschch; Stephen Rae 2007-7-8 Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. UTM: 10S, 565647, 4246590. 215 Comment
  JEPS110727  Ceanothus purpureus Jake Ruygt 1995-3-29 3412 Napa about 2 mi S of Sage Canyon Road across from boat ramp 457 Comment
  JEPS2522 Image available Ceanothus purpureus W. L. Jepson 1893-4-28 Napa mountains n Mt. George; Napa River Basin; Mts. N of Mt. George, Napa River Basin Comment
  UC870639  Ceanothus purpureus Lewis S. Rose Apr 1939 39069 Napa 4 mi NE of Napa 198 Comment
  UCR220104  Ceanothus purpureus 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
  POM172088  Ceanothus purpureus Lester Rowntree 1930-7-15 s.n. Napa On Hogsback, 7 miles east of Napa Comment
  CAS-BOT-BC52896  Ceanothus velutinus Brandegee 1889-4-1 3 Napa Mt. St. Helena Comment
  SEINET12210802  Ceanothus velutinus var. laevigatus W. Knight, Knight, I. 1982-1 4666 Napa Tilden Botanic Garden, Berkeley, originally collected from Mt. St. Helena Comment
  CDA36978  Centaurea iberica J. H. Shelgren 1976-6-3 34 Napa Putah Creek; near Lake/Napa County line. 0 Comment
  JEPS46948  Centaurium trichanthum W. L. Jepson 1895-8-30 14634 Napa Calistoga Napa River Basin Comment
  UC763195  Centaurium trichanthum R. F. Hoover 1941-8-24 5580 Napa near Calistoga; Myrtledale Hot Springs Comment
  UC1245376  Centaurium venustum J. P. Tracy 1950-5-23 18667 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Moores Creek, La Jota Plateau 518 Comment
  JEPS106656  Centromadia fitchii Jake Ruygt 1986-9-6 1914 Napa Trancas St. at Villa Lane 12 Comment
  UCD160770  Centromadia fitchii Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8640 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
  UCD164738  Centromadia fitchii Jake Ruygt 2014-7-7 6024 Napa Snell Valley, Missimer Wildflower Preserve. 178 Comment
  CAS-BOT-BC288606  Centromadia fitchii James I. McMurphy 1909-8-7 698 Napa Between Mt St Helena Pass and Calistoga Comment
  UCD161620  Centromadia fitchii Jake Ruygt 2004-8-28 4650 Napa east side of Bear Valley. 670 Comment
  CAS-BOT-BC272821  Centromadia parryi subsp. parryi Milo S. Baker 1933-9-9 7543 Napa Near Calistoga Geyser Comment
  CAS-BOT-BC272826  Centromadia parryi subsp. parryi David D. Keck; J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi. N. of the center of town at the geysers Comment
  JEPS18290  Centromadia parryi subsp. parryi Peter H. Raven 1957-5-5 10742 Napa at Airport (near the hot springs); Calistoga 91 Comment
  UC1199382  Centromadia parryi subsp. parryi Joseph P. Tracy 1939-10-14 16511 Napa Calistoga, Myrtledale Hot Springs 121 Comment
  CAS-BOT-BC279252  Centromadia pungens subsp. pungens Peter H. Raven 1951-9-9 3898 Napa Near Slaughterhouse Pt., Napa River 0 Comment
  CAS-BOT-BC279253  Centromadia pungens subsp. pungens John Thomas Howell 1929-10-26 4542 Napa 9 miles north of Vallejo Comment
  CAS-BOT-BC279257  Centromadia pungens subsp. pungens David D. Keck 1933-11-10 2725 Napa 6 mi. S. of Napa Comment
  JEPS112623  Centunculus minimus Jake Ruygt 1986-5-24 1782 Napa Pope Canyon Rd. at large vernal pool 187 Comment
  JEPS112624  Centunculus minimus Jake Ruygt 1995-6-5 3486 b Napa Taylor driveway, about 1.5 miles south of Lake Hennessey. 411 Comment
  CAS-BOT-BC222944  Cephalanthus occidentalis John Thomas Howell 1929-8-4 4367 Napa One mile bleow Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  JEPS106731  Cerastium glomeratum Jake Ruygt 1982-3-2 1110 Napa north of HWY 12 near Huichica Creek 128 Comment
  JEPS51345  Cerastium glomeratum W. L. Jepson 1900-3-10 529 Napa near St. Helena Comment
  CAS-BOT-BC388230  Cerastium glomeratum Peter H. Raven 1953-4-2 5233 Napa Imola 60 Comment
  UCD73508  Ceratophyllum demersum Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  LA45606  Cercis occidentalis Ethel Crum; 1937-8-8 1956 Napa Putah Creek Canyon, 7 mi. SE of Monticello Comment
  OBI13275  Cercis occidentalis Lewis S. Rose 1955-4-4 55044 Napa Putah Crk, near Monticello Comment
  SBBG29899  Cercis occidentalis E. Crum 1937-4-18 1787 Napa 11 mi N of Monticello on Knoxville Rd Comment
  UC588162  Cercis occidentalis Ethel Crum 1937-4-18 1787 Napa on Knoxville Rd 11 mi n Monticello Comment
  CHSC79353  Cercocarpus betuloides Beecher Crampton 1966-5-10 7715 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  UCD113050  Cercocarpus betuloides J. M. Tucker 1951-3-28 2066 Napa Beside road up south side of Howell Mountain, 5.6 miles north of St. Helena. Comment
  UCD33088  Cercocarpus betuloides Beecher Crampton 1966-5-10 7715 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  UCR146182  Cercocarpus betuloides Beecher Crampton 1966-5-10 7715 Napa Inner North Coast Ranges, 9 miles east of Rutherford on State Hwy 128 183 Comment
  CAS-BOT-BC135485  Cercocarpus betuloides var. betuloides L. R. Abrams 1916-7-2 5758 Napa Near St. Helena Sanitarium 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
  JEPS45534  Cercocarpus betuloides var. betuloides W. L. Jepson 1915-12-6 6583 Napa Howell Mountain Comment
  UC187521  Cercocarpus betuloides var. betuloides Katharine Brandegee July 1910 Napa e of Angwin (Howell Mountain); Howell Mountain 914 Comment
  UC859440  Cercocarpus betuloides var. betuloides Alice Eastwood 1922-5-4 11280 Napa Mount St. Helena Comment
  UC903165  Cercocarpus betuloides var. betuloides Ethel Crum 1937-4-19 1776 Napa 6 mi n of Napa (Mount George); Napa Range, Mount George 304 Comment
  JEPS81963  Chaenactis glabriuscula var. heterocarpha Rimo Bacigalupi, and L. R. Heckard 1965-5-15 9093 Napa 1/2 mi se Devilhead Road (from Knoxville to Cedar Valley) (headwaters of creek); Zim Zim Creek 487 Comment
  RSA92928  Chamaesyce serpillifolia P. H. Raven 1951-6-24 3011 Napa Napa to Brown's Valley. 61 Comment
  HSC100736  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, ~100 yd. E of Eticuera Creek, ~50 yd. S of Eticuera Parking Area at the NE end of causeway, on S side of Berryessa Knoxville Rd., 20 (air) mi. NW of Winters. 130 Comment
  JEPS106425  Chamaesyce serpillifolia subsp. serpillifolia Jake Ruygt 1978-10-22 425 Napa .3 miles north of Airport Rd., Sheehy Cr 6 Comment
  JEPS115769  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-12 16437 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  JEPS115779  Chamaesyce serpillifolia subsp. serpillifolia Lowell 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 miles (air) northwest of Winte 130 Comment
  JEPS52338  Chamaesyce serpyllifolia W. L. Jepson 1894-1 13929 Napa St. Helena Comment
  JEPS103980  Cheilanthes covillei Jake Ruygt 1998-4-18 3924 b Napa Blue Ridge about 1.5 mile north of Mays Flat 731 Comment
  JEPS116553  Cheilanthes covillei Jake Ruygt 2003-3-22 4478 Napa Snell Valley/Missimer Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  JEPS68366  Cheilanthes gracillima L. R. Heckard 1972-6-26 3000 Napa se of lookout on peak of Mt St Helena (below radar station) 1188 Comment
  CAS-BOT-BC68159  Cheilanthes intertexta John Thomas Howell 1931-4-4 6169 A Napa Mt. St. Helena region - Crater Country Comment
  RSA769218  Chenopodium album L. Ahart 2009-10-27 16483 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
  SBBG128613  Chenopodium album L. Ahart 2009-10-27 16483 Napa below the high water line of Lake Berryessa, ca. 100 yards E of Eticuera Crk, ca. 50 yards S of Eticuera Parking Area at the NE end of the causeway, on the S side of Berryessa Knoxville Rd, ca. 20 mi NW of Winters 130 Comment
  UCD161537  Chenopodium berlandieri Jake Ruygt 1991-8-24 2834 Napa Napa River at Bale Lane. 80 Comment
  JEPS59730  Chenopodium californicum Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  UC924252  Chenopodium multifidum H. S. Reed 1948-11-5 2055 Napa Berryessa Valley Comment
  UCD148778  Chenopodium vulvaria Jake Ruygt 2005-10-8 4953 Napa Napa County; Long Canyon at Berryessa Knoxville Rd. 310 Comment
  UCD14532  Chlorogalum pomeridianum var. pomeridianum L. Coats 1983-5-29 51 Napa Napa Co.; J and M Ranch, end of Green Valley Road, 1 mile from intersection of Coombsville Road and Wild Horse Valley Road; approximately 100 yards inside gate, next to road; Comment
  CDA18829  Chondrilla juncea O. Dannenberg 1999-6-22 PDR 1103331 Napa Hwy 29 Yountville overpass, Yountville. 0 Comment
  UCD81812  Chorizanthe membranacea Ellen Dean 2009-4-24 5439 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 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-BC252842  Chorizanthe polygonoides var. polygonoides John Thomas Howell 1933-6-4 11392 Napa Hills east of Napa Comment
  JEPS24506  Cichorium intybus J. H. Thomas 1960-8-29 8837 Napa about 1 mi n Calistoga (along Highway 53) Comment
Read comments
Sep 7 2012
  JEPS35975  Cichorium intybus W. L. Jepson 1944-7-30 27544 Napa 3 mi s Yountville; Napa Valley Comment
  UCD159464  Cichorium intybus D. S. Park 2010-8-13 218 Napa St. Helena. Along Fulton Ln. Growing in the fringes of orchards. 71 Comment
  CAS-BOT-BC285220  Cichorium intybus Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  SBBG119104  Cichorium intybus J. P. Broughton 1977-7-12 71203 Napa School Rd and Mini Rd, Napa Comment
  JEPS122678  Cicuta maculata var. bolanderi Jake Ruygt 1986-7-23 1887 Napa East end Marina Drive, Napa. Quad: Napa. Comment
  CAS-BOT-BC278019  Cirsium cymosum John Thomas Howell 1940-5-19 15467 Napa St. Helena Creek Canyon near Montesol Comment
  JEPS59118  Cirsium douglasii var. douglasii Willis L. Jepson 1892-8-1 Napa Napa Valley Comment
  OBI76869  Cirsium douglasii var. douglasii Neal Kramer 2012-7-18 2065 Napa Approx 1.3 mi W of jctn I-80 and American Cyn Rd NAD83 UTM 10S 0567936E 4224770N 72 Comment
  RSA0070870  Cirsium remotifolium J. T. Howell 1941-6-21 16314 A Napa Hills SW of St. Helena. Comment
  JEPS106935  Cirsium remotifolium var. odontolepis Jake Ruygt 1992-6-22 3040 Napa west of Leoma Lakes, Wild Horse Valley Ranch 402 Comment
  CAS-BOT-BC169768  Cistanthe quadripetala Herbert L. Mason 1935-5-30 10010 Napa 4 miles N of Knoxville on the Monticello - Lower Lake Road Comment
  UCD49182  Clarkia affinis A. Collier; D. Caterson and S. Kenady 2002-5-4 6 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines. 335 Comment
  UCD167268  Clarkia affinis Jake Ruygt 1998-6-24 4051 Napa Rocky Ridge, east of Apple Tree Canyon. 676 Comment
  RSA0059975  Clarkia amoena subsp. huntiana James L. Reveal 1987-6-7 6406 Napa Along California Highway 128 near its intersection with the Berryessa-Knoxville Road, about 5 miles west-northwest of Moskowite Corner, about 13.5 airline miles north of Napa. 244 Comment
  CAS-BOT-BC172177  Clarkia concinna W. L. Jepson 1897-6-1 s.n. Napa Napa Valley Comment
  LA93786  Clarkia concinna Barrie Stanfield; 1966-5-22 51 Napa Napa Range, 5 mi S of Wooden Valley Comment
  SEINET5740166 Image available Clarkia concinna Kathleen Barnes 1973-1 52 Napa Chiles Road, 1 mile S from its junction with Pope Valley Road. Comment
  UCD21810  Clarkia concinna L. D. Gottlieb 1987-8-1 8740 Napa Hwy. 128, immediately west of Conn Dam. Comment
  CHSC59990  Clarkia concinna subsp. concinna Keith G. Weinstock 1975-5-26 37 Napa Lower Chiles Valley Road and Sage Canyon Road Intersection. Comment
  JEPS43619  Clarkia concinna subsp. concinna W. L. Jepson 1904-6-3 2438 Napa St. Helena to Howell Mt. Comment
  JEPS43620  Clarkia concinna subsp. concinna W. L. Jepson 1938-5-22 18809 Napa Limekiln Creek Canyon Pope Valley Comment
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Oct 2 2012
  RSA209534  Clarkia concinna subsp. concinna Betty H. Johnson 1958-6-8 592 Napa Near St. Helena River, at the Mill House , 6.4 miles SW of Middletown Comment
  RSA262483  Clarkia concinna subsp. concinna Barrie Stanfield 1966-5-22 51 Napa ca. 5 miles south of Wooden Valley Comment
  UCD170162  Clarkia gracilis Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 775 Napa Knoxville Wildlife Area, chaparral above and west of Berryessa-Knoxville Road 400 Comment
  UCSB17305  Clarkia gracilis Haller, John 1961-6-18 Napa 7.7 mi SE of Pope Valley; on road to Lake Hennessy 274 Comment
  JEPS43544  Clarkia gracilis subsp. albicaulis Willis L. Jepson 1897-7-12 14360 Napa Pope Valley to Middleton; Butts Canyon Comment
  JEPS43732  Clarkia gracilis subsp. albicaulis W. L. Jepson 1938-6-8 18888 Napa n Pope Valley (Butts Canyon); South Fork of Butts Creek Comment
  RSA10703  Clarkia gracilis subsp. gracilis Carl B. Wolf 1928-5-3 1784 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  JEPS110765  Clarkia gracilis subsp. sonomensis Jake Ruygt 1976-5-18 90 Napa 1.4 miles west of Madronna St. on Spring Mountain Rd. 152 Comment
Read comments
Aug 15 2010
  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
  UCD63050  Clarkia gracilis subsp. tracyi Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 Comment
  UCR261663  Clarkia modesta Ann Howald 2003-5-8 2332 Napa Inner North Coast Ranges, Southern Mayacamas Mountains, c. 0.5 mile west of Milliken Peak 138 Comment
  CAS-BOT-BC163829  Clarkia purpurea subsp. quadrivulnera Alice Eastwood 1915-6-5 4643 Napa Calistoga Comment
  UCD104922  Clarkia purpurea subsp. quadrivulnera Heidi E. M. Dobson 1978-6-14 339 Napa East slope of Mt. Veeder. Comment
  JEPS43571  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1893-6-24 14339 Napa grade to Napa Soda Springs; Napa Range Comment
  RSA92804  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-5-20 2841 Napa Hills west of Oakville 122 Comment
  UCD104908  Clarkia purpurea subsp. quadrivulnera Beecher Crampton 1950-5-7 566 Napa SE of St. Helena, along the Silverado Trail. Comment
  UCD167276  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1986-5-10 1759 Napa Devil's Canyon. 591 Comment
  UCD167277  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1976-5-14 84 Napa southwest of intersection Mount Veeder Road and Dry Creek Road. 182 Comment
  UCD18460  Clarkia purpurea subsp. quadrivulnera Linda Coats 1983-5-29 42 Napa 1 mile from intersection of Coombsville Rd. and Wild Horse Valley Rd., end of Green Valley Rd. Comment
  CAS-BOT-BC165607  Clarkia unguiculata James L. Reveal 1987-6-7 6392 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road, about 5.5 miles west-northwest of Vacaville 182 Comment
  UCD18489  Clarkia unguiculata P. J. Plummer 1995-5-29 s.n. Napa Lake Berryessa. 121 Comment
  JEPS112599  Claytonia exigua subsp. exigua Jake Ruygt 1999-3-27 4123 Napa Murphy Creek about 1/4 mile from Wild Horse Valley Road 377 Comment
  JEPS112617  Claytonia exigua subsp. exigua Jake Ruygt 1998-4-22 3932 Napa Tributary to Cement Creek. 228 Comment
  CAS-BOT-BC439131  Claytonia exigua subsp. exigua Ella Dales Cantelow 1939-4-8 2521 Napa 1/2 mi. n.e. of Pacific Union College, Howell Mt. Comment
  JEPS43272  Claytonia gypsophiloides W. L. Jepson 1893-5-1 Napa Upper Napa Valley; Napa River Basin Comment
  RSA31697  Claytonia gypsophiloides A. A. Heller 1929-3-16 s.n. Napa Grade near foot of Mt. St. Helena. Comment
  CAS-BOT-BC233835  Claytonia parviflora subsp. parviflora R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6678 Napa Butt's Canyon, 10 mi. N. of Howell Mt. Comment
  UCD168556  Claytonia parviflora subsp. parviflora Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD18014  Claytonia parviflora subsp. parviflora Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 559 Napa Napa County. McLaughlin Reserve. South side of Knoxville-Berryessa Rd., just north of Hunting Creek, SE of Research Hill, by turnout and gate. Joe Callizo calls this area 'Cloaca of Morgan Valley. 609 Comment
  CAS-BOT-BC439793  Claytonia perfoliata Betty H. Johnson 1958-6-15 635 Napa 1/2 mi. above Mt. Mill House, 6.4 mi. S-W. of Middletown Comment
  CAS-BOT-BC439942  Claytonia perfoliata subsp. mexicana Ira L. Wiggins 1928-3-27 2870 Napa 1 1/2 miles northeast of Calistoga Comment
  CAS-BOT-BC439943  Claytonia perfoliata subsp. mexicana Gilbert Muth 1967-4-28 650 Napa Spring Mountain Road, St. Helene [Helena] Comment
  CAS-BOT-BC91448  Clematis lasiantha Mrs. Clara Hunt 1921-4-1 s.n. Napa Saint Helena. Comment
  UCD32567  Clematis lasiantha Beecher Crampton 1954-5-18 1918 Napa 10 minutes southwest of Monticello, along highway 128. Comment
  RSA98637  Clematis lasiantha Beecher Crampton 1954-5-18 1918 Napa Foothills with live and Blue Oak manzanita, 10 miles SW of Monticello, Hwy 128. Comment
  JEPS55205  Clematis ligusticifolia Alice King July 1919 Napa Mt. St. Helena, Van Ness Ranch Comment
  UCD73054  Clinopodium douglasii Ellen Dean; S. Rae 2008-5-21 4973 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 213 Comment
  JEPS7343  Collinsia heterophylla W. L. Jepson 1938-5-18 18795 Napa above St. Helena Sanitarium; Howell Mt. Comment
  UC192735  Collinsia heterophylla C. F. Sonne Apr 1897 Napa near Napa City Comment
  UCD70459  Collinsia heterophylla M. Thibodeau 1995-4-15 9 Napa W of City of Winters, along hwy 128. Quail Ridge Reserve; 15 m N of main cabin. Flowers purple. 274 Comment
  UCD13234  Collinsia sparsiflora Jim McKenna 1974-4-28 74 Napa Dutch Henry Canyon Rd, ca. 3 (airline) miles east of Calistoga. 548 Comment
  RSA10659  Collinsia sparsiflora var. arvensis Carl B. Wolf 1928-5-3 1830 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  SEINET12268978  Collinsia sparsiflora var. arvensis H. K. Sharsmith 1963-1 5223 Napa S side Mount Atlas 610 Comment
  JEPS112528  Collinsia sparsiflora var. collina Jake Ruygt 1997-4-5 3823 Napa S of intersection of Butts Canyon Road with James Creek Road 207 Comment
  UCD168547  Collinsia sparsiflora var. collina 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
  JEPS17750  Collinsia sparsiflora var. collina Francia Chisaki 1957-5-30 965 Napa along State Highway 37 Summit of grade between Wooden Valley Creek and Capell Creek 344 Comment
  SEINET2444681  Collomia diversifolia Leigh A. Johnson 1996-5-26 96 -013 Napa Along Butts Canyon Road, between road and creek. ca. 25 meters NW of pullover area 1.4 miles NW of jct with Snell Valley Road (9.7 miles SR of jct with HWY 29). 375 Comment
  UCSC009039  Collomia diversifolia Dylan M. Neubauer 2015-4-26 141 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  JEPS110954  Collomia heterophylla Jake Ruygt 1997-3-23 3813 Napa Small peak (Kujo) south of Bismark Knob 612 Comment
  UCD118178  Collomia heterophylla K. Esau 1935-5-5 s.n. Napa Near Petrified Forest, Calistoga. Comment
  JEPS129156  Conium maculatum Jake Ruygt 1978-6-18 358 Napa 100 yards east of Maxwell Bridge. Napa 7.5' Quad. Comment
  RSA769191  Conyza floribunda 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 air miles west of Winters 133 Comment
  JEPS64337  Corallorhiza maculata W. L. Jepson 1894-7-19 21267 Napa near Toll House; Mt. St. Helena Comment
  UCD123103  Cordylanthus pilosus P. Rodriguez-Rojo; D. Sanchez-Mata 1997-7-24 Napa Butts Canyon Road. Butts Creek. 350 Comment
  JEPS62599  Cordylanthus pilosus subsp. pilosus T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 C Napa just s Napa and Lake County line (on US Hwy 29) Comment
  JEPS20326  Cordylanthus pilosus subsp. pilosus Lewis S. Rose 1954-9-13 54115 Napa 1 mi w Calistoga 121 Comment
  JEPS55931  Cordylanthus pilosus subsp. pilosus T. I. Chuang and Fei-Mei Chuang 1968-7-24 6477 Napa 1 mi nw of St. Helena Comment
  JEPS6809  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1898-1-4 21347 Napa Howell Mt. Napa Range Comment
  SD133728  Cordylanthus pringlei T. I. Chuang, Fei-Mei Chuang 1970-7-25 6831 Napa 0.9 mile north of Napa and lake county line, on US Highway 29 Comment
  UC146880  Cordylanthus tenuis subsp. brunneus Katharine Brandegee 1910-1 Napa near Angwin Comment
  UC761839  Cordylanthus tenuis subsp. brunneus R. F. Hoover 1941-8-24 5571 Napa e side Mt. St. Helena Comment
  UC723833  Cornus glabrata Joseph Andorfer Ewan 1934-4-30 8849 Napa Steel Canyon 8 mi. s. Monticello; Steel Canyon 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
  SEINET9330248  Cornus glabrata Unknown 1954-5-20 1920 Napa 3 mi E of Rutherford, along hwy 128, Sage Canyon, Conn Creek. Growing under valley oak. Comment
  HSC58986  Cornus nuttallii D. R. Hardy 1972-5-10 Napa Close to the town of Angwin. 366 Comment
  JEPS106395  Cornus nuttallii Jake Ruygt 1990-4-28 2510 Napa Livermore Rd. about 1/2 mile from HWY 29 524 Comment
  JEPS48543  Cornus nuttallii Elsa Kraeger 1926-3-28 Napa roadside below St. Helena Inn Mt. St. Helena Comment
  RSA52657  Cornus nuttallii I. L. Wiggins 1949-4-30 12090 Napa Along draw on NE flank of Mount St. Helena. 915 Comment
  UCSB27482  Cornus nuttallii Havlik, Neil 1969-6-29 Napa Along Trout Creek; near State Highway 29 609 Comment
  CAS-BOT-BC180342  Corylus cornuta subsp. californica Alice Eastwood 1923-5-9 11742 Napa Calistoga Comment
  CAS-BOT-BC427733  Crassula connata John H. Thomas 1958-4-19 7109 Napa About 2 miles SW of Oakville. 152 Comment
  UCD118566  Crassula tillaea Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. NE of fire station ca. 0.1 mi. on undeveloped road on N side of road. 518 Comment
  UCD121192  Crataegus monogyna Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7364 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and Recreation Flat. 526 Comment
  OBI49310  Crocanthemum scoparium Joseph Andorfer Ewan 1934-4-30 8825 Napa Sarco crk, 4 mi above Napa Comment
  JEPS122995  Crypsis vaginiflora Jake Ruygt 1990-1-29 2432 Napa Napa Range about 1/2 mile south of Circle Oaks. Quad: Capell Valley. Comment
  UCD37519  Crypsis vaginiflora Beecher Crampton 1954-10-26 2302 Napa South Napa. Comment
  SEINET4206989  Cryptantha clevelandii Barbara Ertter, Annetta Carter 1989-5-28 8510 Napa Near Knoxville 2 mi SE of Lake Co. line on Berryessa Rd.; 0 610 Comment
  UCD170358  Cryptantha flaccida Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 857 Napa Knoxville Wildlife Area, northeast of Zim Zim Falls. 456 Comment
  CHSC108724  Cryptantha hispidula B. Castro; L. P. Janeway 2002-5-12 1370 Napa Inner North Coast Ranges. Ridge top north of Cedar Creek, along road from Devilhead Road. 579 Comment
  UCD161337  Cryptantha hispidula Jake Ruygt 1983-4-13 1419 Napa Walter Springs Bridge at Pope Canyon Road. (Coordinates estimated by label maker at UC Davis). 181 Comment
  UCD18062  Cryptantha hispidula Ellen Dean; with Plant Biology 102 class 2000-4-22 617 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
  RSA170234  Cryptantha hispidula Joseph P. Tracy 1950-5-23 18682 Napa Serpentine ridge near head of Moores Creek, in Las Posadas State Forest. 335 Comment
  JEPS67644  Cryptantha intermedia Willis L. Jepson 1897-5-2 21096 Napa St. Helena Comment
  JEPS67645  Cryptantha intermedia W. L. Jepson 1896-6-2 21095 Napa St. Helena, hill by stone bridge over Napa River St. Helena, Napa River Comment
  JEPS106721  Cryptantha muricata Jake Ruygt 1989-4-22 2276 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 405 Comment
  UCD161579  Cryptantha muricata Jake Ruygt 2007-5-17 5178 Napa Duff Ranch, NW of Potato Hill. 792 Comment
  UC1086210  Cupressus macnabiana A. R. Kruckeberg 1947-9-3 1574 Napa ridge ca. 0.5 mi nw Whites Point (dirt road between Mountain Mill House (St. Helena Creek) and Oat Hill School (below Table Mountain)) Comment
  UC144147  Cupressus macnabiana W. J. V. Osterhout 1909-1-1 Napa St. Helena Crater Comment
  UCD110850  Cupressus macnabiana Christopher Mallek 2008-1 AS- 1 Napa Aetna Springs. 668 Comment
  CDA10849  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-18 11786 a Napa North Coast Biodiversity Arena; On hill above Swartz Canyon Rd. approx. 2 m. NW of Aetna Springs. 228 Comment
  JEPS39750  Cupressus sargentii unknown 1892-1-1 Napa Howell Mt. Comment
  RSA352388  Cupressus sargentii P. H. Raven 1965-5-16 20209 Napa Cedar Valley, vicinity of Knoxville 610 Comment
  POM282208  Cupressus sargentii Lyman Benson 1935-2-25 6244 Napa N Base Mt St Helena. Mayacamas mtn range, Putah Creek watershed. Napa-Lake Cos. 549 Comment
Read comments
Jan 25 2016
  SEINET10531522  Cupressus sargentii Mary Susan Taylor, E. Pierce 1981-5-17 Taylor 3756 Napa Calistoga Pass, both sides of Hwy 29, ca 1 mile south of Lake County line. Comment
  UCD160705  Cuscuta Ellen Dean; Jake Ruygt 2015-5-23 8764 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  UCD170283  Cuscuta brachycalyx Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 823 Napa Knoxville Wildlife Area, north of Nevada Creek. 481 Comment
  CAS-BOT-BC224537  Cuscuta californica John Thomas Howell 1933-8-27 11648 Napa East of Chiles Valley on road to Winters, Napa Range Comment
  CDA39955  Cuscuta campestris S. Bardessono 1961-7-7 s.n. Napa Mrs. Ledwige prop., 346 Lakeview Dr., Napa. 0 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
  UC129079  Cuscuta subinclusa Harley P. Chandler Sep 7 1906-Sep 14 1906 7124 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS47144  Cuscuta subinclusa W. L. Jepson Oct 12 1894-Oct 13 1894 70 a Napa St. Helena Napa Valley Comment
  SEINET7940323  Cuscuta subinclusa H. P. Chandler 1906-1 7123 Napa Alta Loma Ranch, Howell Mountain. 488 Comment
  RSA611429  Cynoglossum grande Joseph A. Ewan 1934-3-18 8661 Napa Steel Canyon. Comment
  RSA0045600  Cynoglossum grande Keith E. Hoffmaster 1946-3-9 1039 Napa Napa range, near summit along Napa-Monticello road. Comment
  CAS-BOT-BC190361  Cynosurus echinatus Peter H. Raven 1950-6-20 2352 Napa On the west side of Howell Mountain. Comment
  CHSC33995  Cynosurus echinatus J. D. Prouty 1980-4-12 861 Napa Roadbank of Hwy 29 ca. 4.5 mi sw of summit at R.L. Stevenson State Park. 243 Comment
Read comments
Mar 30 2009
  UCD19312  Cynosurus echinatus M. A. Bibbo; E. Dean 2001-7-6 4 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
  JEPS121340  Cyperus aristatus Jake Ruygt 1991-6-29 2746 Napa Doe Lake, Friesen's lakes, Angwin. Comment
  CAS-BOT-BC114676  Cyperus eragrostis Betty H. Johnson 1958-6-20 s.n. Napa Along moist sandy edge of stream, near Mt. Mill House, 6.4 mi SW of Middletown. Comment
  JEPS75995  Cyperus eragrostis W. L. Jepson 1936-6-2 17602 Napa Pratt Valley, St. Helena Comment
  UCD35232  Cyperus erythrorhizos Beecher Crampton 1954-10-26 2299 Napa 4 miles east of Rutherford, shores of Conn Reservoir. Comment
  SEINET7581749 Image available Cyperus erythrorhizos Peter H. Raven 1951-10-28 3933 Napa West end of Conn Lake. Comment
  UC1133517  Cyperus niger Beryl Schreiber 1938-9-25 2550 Napa Putah Creek Canyon, North Ranch Capay Quad., Putah Creek Canyon, North Ranch Comment
  JEPS121341  Cyperus niger Jake Ruygt 1986-7-29 1889 Napa Milliken Drive, Silverado Country Club. Comment
  CHSC14003  Cystopteris fragilis C. Eiser 1974-4-24 30 Napa Ne Hwy 128, ca. 6 mi from Markley Canyon Launching, Lake Berryessa. 365 Comment
  UCD136345  Cystopteris fragilis D. H. Hartmann 1942-3-7 s.n. Napa In Green Valley. Comment
  SEINET893038  Cytisus canariensis David Lawfer 1952-1 154 Napa Napa. Comment
  UCD161700  Damasonium californicum Jake Ruygt 2010-6-7 5600 Napa Crystal Lake, west of Capell Canyon. (Coordinates converted from UTM data by label maker.) 362 Comment
  UCD127396  Daucus carota R. Tofsrud 1948-6-15 s.n. Napa Exact location unknown. Comment
  JEPS129031  Daucus pusillus Jake Ruygt 2016-5-21 6259 Napa Wantrup Wildlife Preserver, Hardin Road. Santa Helena 7.5' Quad. Comment
  JEPS106658  Deinandra corymbosa Jake Ruygt 1988-6-26 2213 Napa 1.3 miles west of HWY 29 on Green Island Road 9 Comment
  UCD161345  Deinandra corymbosa Jake Ruygt 1986-5-5 1745 Napa West side of Mt. George. (Coordinates estimated by label maker at UC Davis). 326 Comment
  UC1607856  Delphinium decorum C. G. Nast 1936-3-27 85 Napa Child's Canyon Comment
  HSC43970  Delphinium hesperium Robert M. Specht 1977-5-14 896 Napa S side of Morgan Valley Rd. near junction with Develhead Rd. 457 Comment
  UCD74353  Delphinium hesperium G. Ledyard Stebbins 1967-5-30 6524 Napa Cedar Valley, south of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD48152  Delphinium hesperium subsp. pallescens M. Ochoa; K. Carpenter, S. Cruz, D. Goldberg, and K. Watts 2000-4-28 26 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, west of Old Knoxville Rd. 445 Comment
  UCD16027  Delphinium hesperium subsp. pallescens N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 15 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 4.5-6 dm tall, flowers pinkish to purplish. Comment
  CHSC40063  Delphinium nudicaule L. Constance 1938-3-27 2041 Napa Above Wooden Valley 8 mi. NE. of Napa, E. slope of Howell Mountains, North Coast Ranges. 457 Comment
  RSA787109  Delphinium nudicaule Keith E. Hoffmaster 1946-3-23 1222 -a Napa Napa range, along Napa-Monticello road. Comment
  UC130936  Delphinium nudicaule Katharine Brandegee 1909-6-1 Napa from Calistoga; Pope Valley Grade Comment
  UCD102766  Delphinium nudicaule Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 200 Comment
  UCD20921  Delphinium nudicaule V. (Shorty) Boucher 2002-4-11 12 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At a bend along West Road, ca. 1000 airline feet E of the locality for Dean 898 - Saxifraga californica. Coordinates are for that locality. 243 Comment
  UCD95880  Delphinium nudicaule Heidi E. M. Dobson 1978-4-8 296 Napa East slope of Mt. Veeder. Comment
  UCD95892  Delphinium nudicaule H. MacKenzie 1949-4-26 s.n. Napa 5 miles west of St. Helena. Comment
  UC1126049  Delphinium patens A. Lewis 1932-5-13 73 Napa Calabasas Creek Napa Quadrangle 365 Comment
  RSA10655  Delphinium patens Carl B. Wolf 1928-5-3 1834 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  UC467782  Delphinium patens H. P. Chandler 1907-5-14 7576 Napa White Sulphur Spr. St. Helena Comment
  UC635351  Delphinium patens A. E. Borell 1928-4-13 123 Napa ten mi s Petaluma Comment
Read comments
Apr 19 2013
  CAS-BOT-BC116485  Delphinium patens subsp. patens E. Ruckert 1960-4-17 57 -408 Napa Meadow 100 feet southwest of private road leading in from 6495 Dry Creek Road 365 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
  CAS-BOT-BC116488  Delphinium patens subsp. patens J. T. Howell 1931-4-2 6105 Napa 4 miles from Monticello on road to Napa Comment
  CAS-BOT-BC116494  Delphinium patens subsp. patens J. T. Howell 1931-4-2 6105 Napa Grassy meadow, 4 miles from Monticello on road to Napa, Napa Range Comment
  JEPS60632  Delphinium uliginosum W. L. Jepson 1938-6-8 18900 Napa Snell Valley and Butts Canyon Comment
  POM150572  Delphinium uliginosum C. F. Baker 1903-5-8 s.n. Napa Knoxville. Comment
  SEINET3824804 Image available Delphinium uliginosum Unknown 1982-6-1 s.n. Napa 9.9 miles south of Middletown Lake or Napa county Comment
  CAS-BOT-BC17174  Delphinium variegatum Clara A. Hunt 1921-4-1 s.n. Napa St. Helena Comment
  LA207580  Delphinium variegatum H. Lewis; G. Mehlquist 1941-5-8 sn Napa Monticello to Napa Rd, 5.1 mi. S. of the road to St. Helena Comment
  UCD67949  Delphinium variegatum Caryn Franscioni 1977-4-24 3 Napa 2.6 mi. SE of Knoxville mine, Eticuera Creek, just off Knoxville Mine Rd. 304 Comment
  UCD96604  Delphinium variegatum Robert C. Bechtel 1952-4-6 51 Napa Samuel Springs, 7 miles northwest of Monticello. Comment
  UCD96665  Delphinium variegatum K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  UC160941  Delphinium variegatum subsp. variegatum Joseph P. Tracy 1902-5-20 1566 Napa lower slopes of mt. near St. Helena; Northern Coast Ranges, Howell Mt. 304 Comment
  UC1196301  Dendromecon rigida J. P. Tracy 1899-6-19 406 Napa head of creek 3-4 mi e Angwin's; Howell Mountain, Moore's Creek 457 Comment
  UC727074  Dendromecon rigida A. A. Heller 1940-6-13 15737 Napa on road leading to summit just above junction of the trail from the Stevenson Tablet (e side of mountain); Mt. St. Helena Comment
  UCD35337  Dendromecon rigida Beecher Crampton 1955-5-10 2770 Napa 6 miles south of Middletown. Comment
  CAS-BOT-BC659  Dendromecon rigida subsp. rigida Alice Eastwood 1923-5-9 s.n. Napa Mt. St. Helena. Comment
  JEPS122974  Deschampsia cespitosa subsp. cespitosa Jake Ruygt 2002-5-18 4423 Napa Missimer/Snell Valley Wildflower Preserve. Quad: Aetna Springs. Comment
  UC187277  Deschampsia cespitosa subsp. cespitosa J. P. Tracy 1902-5-18 1543 Napa 3-4 mi. e. Angwin's (Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 518 Comment
  CAS-BOT-BC198144  Deschampsia danthonioides Joseph P. Tracy 1903-5-15 1854 Napa Napa Valley near Calistoga 91 Comment
  UC1023588  Deschampsia danthonioides Virginia Bufford 1937-5-9 449 Napa Calistoga Geysers Comment
  UCD62541  Deschampsia danthonioides M. Wiesendanger 1927-5-4 669 Napa Near Monticello. Comment
  CAS-BOT-BC201723  Deschampsia elongata Betty H. Johnson 1958-6-20 655 Napa Near Mt. Mill House, 6.4 miles SW of Middletown Comment
  CHSC108733  Dicentra chrysantha B. Castro; L. P. Janeway 2002-5-12 1361 Napa Inner North Coast Ranges. SW-facing slope along Devilhead Road 0.5 mi south of Berryessa-Knoxville Road and Knoxville Creek. 487 Comment
  CAS-BOT-BC253632  Dichanthelium acuminatum subsp. acuminatum Peter H. Raven 1951-6-10 2939 Napa Crater Region E of Palisades 762 Comment
  SFV8407  Dichelostemma capitatum L. Dodge 1974-4-13 10 Napa Wallace Hardin Ranch, 3.9 miles northeast of junction of Pope Canyon Road and Chiles Valley Road. 183 Comment
  CAS-BOT-BC499417  Dichelostemma capitatum Ira L. Wiggins 1928-3-24 2864 Napa Grade on road to Lake Co. above Colistoga Comment
  UCD14208  Dichelostemma capitatum Jim McKenna 1974-4-28 45 Napa 2 mi. south-east of Calistoga along the Silverado Trail, 2 mi. east on Dutch Henry Road. 487 Comment
  UCD14948  Dichelostemma capitatum Mark Harder 1977-4-16 4 a Napa California, Napa Co.; 6.4 miles southwest of Monticelo Dam along Highway 128; Comment
  UCD159913  Dichelostemma capitatum subsp. capitatum Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. West section. Near Q43. 243 Comment
  UCD70462  Dichelostemma capitatum subsp. capitatum B. Wengeler 1995-4-16 s.n. Napa West of City of Winters, 2 m W of Monticello Dam along hwy 128. Open hillside. Perennial, 24 in tall. Flowers purple. 158 Comment
  UCD149042  Dichelostemma congestum Ellen Dean; S. P. Rae and T. Starbuck 2014-5-11 8188 Napa Arbuckle Winery property at 3454 Redwood Rd on the outskirts of Napa in the Mayacamas Mountains. 137 Comment
  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
  UCD18162  Dichelostemma volubile Eva Bayon; with PLB 102 class 2000-4-29 s.n. Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD48784  Dichelostemma volubile S. Murphy; K. Keck and K. Dyer 2002-5-5 16 Napa Quail Ridge UC Reserve, northern tip of ridge, ca. 400 m. from intersection of West and East roads, S-side of upper road leading to power lines and tip parcels. 388 Comment
  CAS-BOT-BC153781  Diplacus angustatus J. P. Tracy 1902-5-18 1536 Napa La Jota Plateau, Howell Mountain; Head of Moore's Creek 3-4 miles East of Angwin's 518 Comment
  CAS-BOT-BC153275  Diplacus kelloggii Alice Eastwood 1915-6-5 4613 Napa Petrified Forest Comment
  CAS-BOT-BC153407  Diplacus layneae J. P. Tracy 1902-5-19 1544 Napa Head of Moore's Creek, 3-4 miles East of Angwin's 426 Comment
  SD241953  Diplacus layneae Dean Wm. Taylor, Mey Akasah 1999-6-3 17224 Napa Ridge dividing Eticeura Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road (Knoxville 532D 7.5'Q) Recently dozed jeep road along ridgeline. 594 Comment
  RSA15626  Dodecatheon hendersonii Carl B. Wolf 1928-2-25 1480 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UCD17963  Dodecatheon hendersonii Ellen Dean; Kate Mawdsley 2001-4-9 680 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along South Decker Canyon Rd., south of jct with Cutoff Rd. 213 Comment
  UCD73390  Dodecatheon hendersonii Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  UC22380  Dodecatheon hendersonii Willis L. Jepson 1893-4-25 Napa w St. Helena (trail to Caux's Cabin, Napa River Basin); Hoods Peak Range, Napa River Basin, w of St. Helena Comment
  UCD15063  Dodecatheon hendersonii Julie Knorr 1977-4-16 6 Napa California, Napa Co.; along Highway 128, 6.4 miles west of Monticello Dam; Comment
  UCD147463  Downingia Ellen Dean; Diana Hickson 2014-4-29 8076 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS106561  Downingia bicornuta var. bicornuta Jake Ruygt 1993-5-1 3244 Napa Pope Canyon Rd at large vernal pond 187 Comment
  JEPS106567  Downingia concolor var. concolor Jake Ruygt 1978-5-14 308 Napa .3 miles south of Oak Knoll Ave. on Silverado Trail;east 19 Comment
  JEPS129169  Downingia cuspidata Jake Ruygt 2015-5-2 6086 a Napa West of Buck Mountain near Nevada. Knoxville 7.5' Quad. Comment
  UC1188751  Downingia pusilla John H. Weiler 1960-4-22 60103 Napa 2.1 mi s Napa State Hospital entrance (at the side of State Highway 29) Comment
  UC673417  Draba verna Herbert L. Mason 1926-3-14 2739 Napa Mt. St. Helena Comment
  JEPS110553  Drymocallis glandulosa var. glandulosa Jake Ruygt 1995-4-24 3446 Napa Mt. Veeder Road south of Lakoya Road, (Franciscan Estate) 304 Comment
  CAS-BOT-BC70948  Dryopteris arguta Carl B. Wolf 1928-5-3 1841 Napa base of Mt. St. Helena Comment
  UC1201283  Dryopteris arguta Florence E. Harrison 1941-7-19 Napa roadside between Christian Brothers and Lokoya Comment
  SFV5088  Dryopteris arguta B. C. Templeton 1957-6-26 s. n. Napa Calistoga. Near Hill and Connors Ranches. Comment
  JEPS49935  Dudleya caespitosa W. L. Jepson 1936-5-29 17553 Napa Adam-and-Eve Ridge Howell Mtn Comment
  UCD38848  Echinochloa muricata Beecher Crampton 1962-9-25 6676 Napa Comment
  HSC90855  Echinodorus berteroi Barbara Ertter, Elizabeth Neese 1988-10-2 7968 Napa Lake Hennessey, 15 mi. NNW of Napa, on Conn Creek in N Coast Ranges, E of boat-launching ramp on SE edge 91 Comment
  RSA518795  Echinodorus berteroi Barbara Ertter, E. Neese 1988-10-2 7968 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  SD131804  Echinodorus berteroi Barbara Ertter, Elizabeth Neese 1988-10-2 7968 Napa Lake Hennessey about 15 airmiles north-northwest of Napa, on Conn Creek in North Coast Ranges; east of boat-launching ramp on southeast edge 89 Comment
  UC1222177  Echinodorus berteroi Joseph P. Tracy 1950-8-12 19305 Napa Conn Valley Reservoir Comment
  RSA92936  Eclipta prostrata Peter H. Raven 1951-10-28 3941 Napa Conn Lake. 152 Comment
  JEPS126048  Egeria densa Jake Ruygt 2005-4-10 4754 Napa Lake Camille. Mount George 7.5' Quad. Comment
  UCD161619  Eleocharis bella Jake Ruygt 2004-5-29 4611 Napa Bear Valley at the pond. 640 Comment
  UCD48497  Eleocharis macrostachya A. Collier; D. Caterson and S. Kenady 2002-5-4 2 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads, near stock pond. 320 Comment
  JEPS121357  Eleocharis palustris Jake Ruygt 1991-9-14 2779 Napa Doe Lake, Friesen's lakes, Angwin. Comment
  UCD161336  Eleocharis parishii Jake Ruygt 1982-7-18 1369 Napa Cedar Roughs near Guilliame springs. (Coordinates estimated by label maker at UC Davis. Original label read 'section 19') 335 Comment
  CAS-BOT-BC112167  Eleocharis radicans Peter H. Raven 1952-8-25 5127 Napa Nr. Lokoya. 609 Comment
  UCD149692  Elymus glaucus Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD61793  Elymus glaucus Beecher Crampton 1965-6-30 7419 Napa Ridge north of Mt. Vaca. 762 Comment
  UCR25608  Elymus glaucus John C. Roos 1939-5-13 256 Napa North Coast Range, Pacific Union College, Angwin 503 Comment
  JEPS84680  Elymus glaucus subsp. glaucus John W. Willoughby 1979-5-25 4327 Napa top of ridge just above Pansy Flat (flat is about 1 mi s of Signal Hill just below and to w of Blue Ridge); Vaca Mountains 609 Comment
  UC766741  Elymus glaucus subsp. jepsonii R. F. Hoover 1941-5-10 5011 Napa between St. Helena and Calistoga Comment
  UC1153914  Elymus trachycaulus Beecher Crampton 1957-6-4 4106 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UCD48052  Emmenanthe penduliflora B. Takahashi; S. Burgess, A. Hufton, J. Pierner, A. Ryan 2000-4-29 5 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow the flies) N of the old town of Knoxville. 609 Comment
  HSC43935  Emmenanthe penduliflora Robert M. Specht 1977-4-26 789 Napa N from Adams Creek on N side 470 Comment
  RSA14231  Epilobium brachycarpum Daniel Cleveland 1882-8-24 s.n. Napa Aetna Springs Comment
  UCD20751  Epilobium brachycarpum M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 100 Napa McLaughlin UC Reserve. Knoxville-Berryesa Rd. 2.4 road miles S of jct. with Devilhead Rd. W side of the road by old dirt road to an abandoned home site. 350 Comment
  CAS-BOT-BC171954  Epilobium canum subsp. latifolium L. R. Abrams 1916-7-2 5753 Napa St. Helena Sanitarium Comment
  UCD149606  Epilobium ciliatum 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
  UCD167252  Epilobium ciliatum subsp. ciliatum Jake Ruygt 1978-7-10 385 Napa 2465 Redwood Road, Napa. 30 Comment
  UCD167133  Epilobium densiflorum Jake Ruygt 2015-5-23 6115 Napa Missimer - Snell Valley Preserve. 172 Comment
  SEINET215007  Epilobium minutum Darla Gettman 1974-4-13 4 Napa Wallace Hardin Ranch 3.9 miles northeast of Pope Canyon Road and Chiles Valley Road intersection. 244 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
  UCD106514  Epilobium minutum G. F. Hrusa 1995-4-2 12045 Napa North Coast Biodiversity Arena. Alongside Highway 128. 200 Comment
  UCD167253  Epilobium minutum Jake Ruygt 1983-4-17 1433 Napa Red Hill, Mt. St. Helena. 655 Comment
  UCD69077  Epilobium minutum P. Rodriguez-Rojo 1997-5-31 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  RSA261479  Epipactis gigantea Stephen L. Clement 1973-5-18 65 Napa At the junction of Snell Valley Road and Butts Canyon Road 274 Comment
  UC1196439  Epipactis gigantea J. P. Tracy 1899-7-2 452 Napa Canyon of Moore's Creek Howell Mountain 335 Comment
  JEPS116560  Equisetum laevigatum Jake Ruygt 1996-4-22 3621 Napa Sheehy Creek at Executive Court. Cuttings Wharf 7.5' Quad. Comment
  RSA92798  Equisetum laevigatum P. H. Raven 1951-10-28 3922 Napa Yountville. 61 Comment
  JEPS116561  Equisetum telmateia var. braunii Jake Ruygt 1991-4-17 2623 Napa Montgomery Creek about 1/2 mile west of Mt. Veeder Road. Rutherford 7.5' Quad. Comment
  CHSC102293  Eragrostis hypnoides Lowell Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  UCD20707  Eragrostis hypnoides Mark Bibbo 2002-7-28 77 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  CAS-BOT-BC131508  Ericameria arborescens Peter H. Raven 1951-8-20 3857 Napa Near Lokoya 548 Comment
  JEPS120418  Ericameria arborescens Jake Ruygt 2010-8-21 5744 Napa Mt. St. Helena; fire road at intersection with private driveway. Comment
  JEPS106944  Erigeron biolettii Jake Ruygt 1981-7-8 1059 Napa near upper Bateman Creek 670 Comment
Read comments
Jan 14 2009
  UC87827  Erigeron biolettii T. S. Brandegee Napa Howell Mountain Comment
  UCD63174  Erigeron foliosus var. franciscensis Jake Ruygt 1996-6-23 3755 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 438 Comment
  CAS-BOT-BC295965  Erigeron philadelphicus Peter H. Raven 1952-5-31 4114 Napa Conn Creek e. of Yountville 45 Comment
  UCD49079  Eriodictyon californicum K. Mogel; B. Pekin and M. Higley 2002-5-4 17 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 400 ft. along the upper road that leads to the power lines; on side of road. 335 Comment
  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-BC266057  Eriogonum luteolum Peter H. Raven 1951-10-28 3929 Napa Conn Valley 152 Comment
  CAS-BOT-BC266070  Eriogonum luteolum Peter H. Raven 1951-5-20 2851 Napa Hills W. Oakville 548 Comment
  POM209232  Eriogonum luteolum S. G. Stokes 1933-8-27 92 Napa Upper part of Sage Valley, Napa Mountains. Comment
  UCD164782  Eriogonum luteolum var. caninum Jake Ruygt 2009-5-22 5414 Napa American Canyon, across road from quarry. 161 Comment
  UC535081  Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon Napa Mountains, Sage Canyon Comment
  UC6530  Eriogonum luteolum var. luteolum Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Wooden Valley grade Comment
  UCD167100  Eriogonum luteolum var. luteolum Jake Ruygt 2015-6-20 6138 Napa Missimer - Snell Valley Preserve. 178 Comment
  UCD73451  Eriogonum luteolum var. luteolum 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
  JEPS56166  Eriogonum luteolum var. luteolum W. L. Jepson October, 1894 Napa Napa Co. Comment
  UCD164783  Eriogonum luteolum var. luteolum Jake Ruygt 1990-6-2 2571 Napa Sulphur Canyon. 231 Comment
  SD22481  Eriogonum nudum Susan G. Stokes 1933-8-27 Napa Chiles Valley Comment
  CAS-BOT-BC268979  Eriogonum nudum var. auriculatum James L. Reveal 1987-6-7 6408 Napa Along California Highway 128 near Sage Creek, 1.8 mile east of the junction of the Chiles and Pope Valley Road and 2.9 miles southwest of the junction of Lower Chiles Valley Road Comment
  SBBG28223  Eriogonum nudum var. oblongifolium S. G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mtns 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-BC301052  Eriophyllum lanatum var. achilleoides L. R. Abrams 1928-5-4 12284 Napa 4 mi. south of Middletown Comment
  JEPS106953  Eriophyllum lanatum var. achilleoides Jake Ruygt 1976-5-6 55 Napa 2.4 miles northeast of Westgate Dr. on Atlas Peak Rd. 338 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-BC301057  Eriophyllum lanatum var. achilleoides John Thomas Howell 1927-8-24 3052 A Napa Between Mirabel and Mt. St. Helena Inn, canyon of St. Helena Creek Comment
  JEPS34607  Eriophyllum lanatum var. achilleoides Willis L. Jepson 1894-5-1 14565 Napa hills e of St. Helena; Napa River Basin Comment
  JEPS34727  Eriophyllum lanatum var. achilleoides W. L. Jepson 1936-6-2 17600 Napa Sanitarium, e of St. Helena Comment
  JEPS106525  Erodium brachycarpum Jake Ruygt 1991-4-20 2629 Napa Cooksley Lake, Friesen's Lakes,Angwin 615 Comment
  RSA92832  Erodium brachycarpum Peter H. Raven 1953-4-2 5231 Napa Imola. Comment
  UCD83406  Erodium brachycarpum Jake Ruygt 1982-3-3 1118 Napa Long Canyon. 341 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
  LA33150  Eryngium aristulatum Robert F. Hoover; 1937-8-31 2701 Napa 6 mi. S of Napa Comment
  JEPS17446  Eryngium aristulatum var. aristulatum W. L. Jepson 1893-4-26 14276 Napa Rutherford Napa Valley, Rutherford Comment
  UC1197358  Eryngium aristulatum var. aristulatum Joseph P. Tracy 1939-10-14 16510 Napa Calistoga, Myrtledale Hot Springs 121 Comment
  RSA0020856  Eryngium aristulatum var. aristulatum David J. Keil 1986-11-8 19795 Napa Along Lake Berryessa Knoxville Road near Knoxville. 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill. 350 Comment
  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
  UC1034941  Erysimum capitatum G. B. and R. P. Rossbach 1938-6-1 852 Napa steep ledges above Wooden Valley on side toward Napa (about 7 mi ne of Napa) 487 Comment
  UCD114994  Erysimum capitatum var. capitatum W. M. Grannell 1950-4-27 2 Napa Putah Canyon. Comment
  RSA101849  Erysimum capitatum var. capitatum G. B. Rossbach, Ruth P. Rossbach 1938-6-1 852 Napa Above Wooden Valley on side toward Napa, about 7 mi NE of Napa. 488 Comment
  SEINET14045969  Erythranthe microphylla L. Constance 1938-1 2040 Napa above Wooden Valley 8 mi. ne. of Napa; e. slope of Howell Mountains, North Coast Ranges. 457 Comment
  CAS-BOT-BC133290  Erythronium helenae Elmer I. Applegate 1932-3-22 7031 Napa Mt. St. Helena, northern Napa County, just east of the [Palasades] Palisades on old stage road Comment
  CAS-BOT-BC402790  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Martley Canyon on Hwy 128 Comment
  CAS-BOT-BC402795  Eschscholzia caespitosa John Thomas Howell 1931-4-2 6062 A Napa Wooden Valley Grade 5 miles east of Napa Comment
  CAS-BOT-BC402802  Eschscholzia caespitosa David D. Keck 1931-4-2 1043 Napa Near Cannon House, Steel Canyon, 8 miles south of Monticello, eastern Napa County Comment
  CAS-BOT-BC402803  Eschscholzia caespitosa David D. Keck 1931-4-3 1064 Napa Pope Creek canyon, 8 miles NW. of Monticello Comment
  UCR146408  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Inner North Coast Ranges, Martley Canyon on Hwy. 128, Vaca Mountains 305 Comment
  CAS-BOT-BC402784  Eschscholzia caespitosa Mrs. H. C. Cantelow 1939-4-8 2513 Napa Pope Creek Rd. nr. Walter's Spring Rd. Comment
  CAS-BOT-BC402798  Eschscholzia caespitosa Peter H. Raven 1955-3-20 8244 Napa Slopes just below Hennessey Lake, Conn Valley 121 Comment
  UCD95247  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Martley Canyon along State Hwy 128. Comment
  RSA3295  Eschscholzia caespitosa subsp. caespitosa D. D. Keck 1931-4-3 1064 Napa Pope Creek Canyon, 8 miles NW of Monticello Comment
  POM182741  Eschscholzia caespitosa subsp. caespitosa D. D. Keck 1931-4-2 1043 Napa Near Cannon House, Steel Canyon, 8 miles south of Monticello, eastern Napa County Comment
  UCD95321  Eschscholzia californica David Lawfer 1952-4-28 152 Napa Napa. Comment
  SEINET6692542 Image available Eucalyptus globulus Royal D. Suttkus 1967-1 67- 30 -5 Napa Clearly Reserves, 7.2 miles NW of Pope Valley Comment
  JEPS104492  Euphorbia crenulata Jake Ruygt 1994-3-15 3323 Napa Chiles Canyon Road about 1 mile from Chiles Valley 182 Comment
  UC17643  Euphorbia crenulata Willis L. Jepson 1894-5-1 Napa Napa River Basin; Rebecca Ranch Comment
  UCD142379  Euphorbia crenulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1217 Napa Along State Highway 128, 5.6 miles north of its junction with State Highway 37. Comment
  UCD117765  Euphorbia spathulata Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat valley. Adjacent to serpentine slope. 386 Comment
  RSA10686  Euphorbia spathulata C. B. Wolf 1928-5-3 1801 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC1058582  Euphorbia spathulata C. H. Lamoureux, J. M. Tucker, and Roman Gankin 1957-4-11 1218 Napa 5.6 mi n State Hwy. 128 junction with State Hwy. 37 (along State Hwy 128) 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
  CDA31330  Festuca californica D. G. Kelch 2010-5-6 10 .18 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  CHSC114890  Festuca californica D. G. Kelch 2010-4-28 10180 Napa N Rockville along Suisun Valley Rd. Nr Napa County Line. 159 Comment
  CHSC30533  Festuca californica T. B. Devine 1980-4-12 698 Napa On Hwy. 29 ca 4 1/2 mi. SW of Robert Louis Stevensen State Park. Comment
  UCD65850  Festuca californica subsp. californica Beecher Crampton 1956-5-25 3459 Napa Head of Markley Canyon, Vaca Mtns. Comment
  RSA125842  Festuca elmeri P. H. Raven 1957-5-5 10759 Napa Hills at western edge of Calistoga. 152 Comment
  UCD65919  Festuca elmeri Beecher Crampton 1956-5-25 3471 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  SD180623  Festuca idahoensis Beecher Crampton 1965-5-13 7328 Napa South end of Chiles Valley on highway 128 Comment
  UC187105  Festuca idahoensis J. P. Tracy 1902-5-19 1549 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 518 Comment
  JEPS122941  Festuca occidentalis Jake Ruygt 1987-4-11 1948 Napa Ragg ridge (Quail Ridge Preserve. Quad: Lake Berryessa. 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
  SEINET9335789  Festuca roemeri Unknown 1993-5-15 10966 Napa Quail Ridge Reserve Comment
  UCD66253  Festuca roemeri Beecher Crampton 1960-5-17 5533 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  JEPS76120  Festuca rubra W. L. Jepson 1938-6-8 18894 Napa Butts Canyon South Fork Butts Creek Comment
  UC187104  Festuca rubra Joseph P. Tracy 1903-5-15 1867 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  JEPS122940  Festuca trachyphylla Jake Ruygt 1992-5-6 2948 Napa SW of Mitten Lakes. Wild Horse Valley Ranch. Quad: Mount George. Comment
  RSA132845  Filago gallica John H. Thomas 1958-4-19 7108 Napa About 2 miles SW of Oakville. 152 Comment
  JEPS106960  Filago pyramidata var. pyramidata Jake Ruygt 1983-6-12 1489 Napa Mt. St. Helena 743 Comment
  JEPS17496  Foeniculum vulgare W. L. Jepson Nov. 1895 14235 Napa St. Helena Comment
  JEPS17497  Foeniculum vulgare Willis L. Jepson 1894-10-15 14234 Napa Napa R. Rd. near St. Helena; Napa River Basin Comment
  JEPS110713  Forestiera pubescens Jake Ruygt 1986-3-29 1673 Napa Toll Canyon 432 Comment
  CAS-BOT-BC53521  Frangula californica subsp. tomentella Cornelia S. Masters 1915-6-15 s.n. Napa Mountains of Napa Co. Comment
  CAS-BOT-BC53523  Frangula californica subsp. tomentella C. H. M. 1919-9-13 s.n. Napa Canyon House, Steel Creek (18 miles NE of Napa) Comment
  UCD121437  Frasera albicaulis var. nitida G. Ledyard Stebbins Jr. 1964-5-24 6156 Napa West of Aetna Springs, ca. 1/2 mile west of Corona Mine. 670 Comment
  CAS-BOT-BC223444  Fraxinus dipetala H. E. McMinn 1922-6-8 202 Napa Pope Canon [Canyon] Comment
  JEPS122724  Fraxinus latifolia Jake Ruygt 1979-3-13 451 Napa Northeast corner of Trefethen Vineyard along Creek. Quad: Napa Comment
  JEPS78435  Fraxinus latifolia Edward Lee 1936-3-15 1803 Napa 0.75 mi out of Rutherford (Rutherford to Pope Valley road) Comment
  UCD122053  Fraxinus latifolia Beecher Crampton 1968-5-8 8262 Napa 1/2 mile south of Calistoga. Comment
  CAS-BOT-BC205887  Fremontodendron californicum Walter Knight; Irja Knight 1963-10-20 366 Napa 4.5 mi. north of Knoxville Comment
  JEPS42894  Fremontodendron californicum W. L. Jepson 1938-6-11 19005 Napa Knoxville Ridge 731 Comment
Read comments
Jun 12 2012
  SEINET5518601 Image available Fremontodendron californicum subsp. napense John Thomas Howell 1939-1 14653 Napa Near head of Hunting Creek northwest of Knoxville Comment
  UC3648  Fritillaria affinis Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  CDA39340  Fritillaria affinis C. S. Kono & T. Kono 1979-3-24 s.n. Napa Markley Canyon, Highway 128, a few miles south of Monticello Dam. 0 Comment
  RSA91949  Fritillaria affinis Beecher Crampton 1953-2-26 988 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  UC421724  Fritillaria affinis Mrs. L. W. McArthur 1930-4-3 Napa Calistoga, Oathill Road summit Calistoga; , Oathill Road Comment
  CAS-BOT-BC506161  Fritillaria micrantha Loraine Hart; John Barry 1928-4-21 3626 Napa Mount Saint Helena beyond crater east of chamise lilies Comment
  JEPS61895  Fritillaria purdyi Pearl Lutzi 1916-5-1 Napa Napa Range, Calistoga Calistoga; Napa Range, Calistoga Comment
Read comments
Jun 2 2008
  UCD169862  Fritillaria purdyi Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 796 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 446 Comment
  UC765859  Fritillaria recurva R. F. Hoover 1941-4-26 4939 Napa e side of Mount St. Helena Mount St. Helena Comment
  UCD37515  Fritillaria recurva Beecher Crampton 1961-4-6 5855 Napa north end of Capell Valley, above Capell Creek. 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
  JEPS52786  Galium andrewsii subsp. andrewsii G. Ledyard Stebbins 1964-5-24 6160 Napa gentle n-facing slope about 1/2 mi w Corona Mine (in hills w of Aetna Springs); Calistoga Quadrangle 670 Comment
  UCD117804  Galium aparine Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. Along dirt road that goes northeast of fire station. In ditch on south side of road. 519 Comment
  JEPS52650  Galium bolanderi Lauramay T. Dempster 1965-5-15 4093 Napa s Knoxville (n slope); Cedar Valley 609 Comment
  UCD95907  Galium californicum subsp. californicum Ellen Dean; with Clare Loughran 2011-5-20 7048 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 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
  SBBG29183  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa hills W of Napa Valley between St Helena and Mt St John 228 Comment
  UCD159926  Galium parisiense Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q43-1. 243 Comment
  UCD19332  Galium porrigens M. A. Bibbo; E. Dean 2001-7-6 24 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, along upper road by powerline, ca. 0.2 air miles from jct of W and E roads. 312 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
  JEPS18279  Galium porrigens var. porrigens Peter H. Raven 1957-5-5 10776 Napa just w Calistoga 182 Comment
  JEPS129075  Galium porrigens var. tenue Jake Ruygt 2016-4-2 6171 d Napa Smittle Creek NCRPOD, west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  CAS-BOT-BC304340  Gamochaeta John Thomas Howell 1926-3-28 1775 Napa SE base of Mt St Helena in Napa Valley Comment
  CDA14220  Garrya congdonii G. F. Hrusa 1997-2-3 13617 Napa North Coast Biodiversity Arena; margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam ~ 1/2 mi. Comment
  RSA41998  Garrya elliptica Ella Dales Cantelow 1939-5-7 2532 Napa Just E of Napa - Lake Co line. Comment
  UC21610  Garrya flavescens Willis L. Jepson 1893-5-2 Napa near Palisades (New Pope Valley grade); Napa River Basin Comment
  CAS-BOT-BC144380  Garrya fremontii H. E. McMinn 1925-1-23 1363 b Napa Summit Wooden Valley Grade Comment
  JEPS66742  Garrya fremontii W. L. Jepson 1913-4-15 5310 Napa Howell Mt. 609 Comment
  JEPS69269  Gastridium ventricosum Willis L. Jepson 1894-7-19 Napa Napa River Basin Upper Napa Valley; , Upper Napa Valley Comment
  JEPS76095  Gastridium ventricosum W. L. Jepson 1938-5-25 18866 Napa Bell Canyon Howell Mt.; Napa Range, , Bell Canyon 579 Comment
  UC527949  Gastridium ventricosum R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6659 Napa on road to Pope Valley 5 mi e St. Helena 304 Comment
  CDA5299  Gaura sinuata R. Barrett 1955-7-14 Napa At Christian Brothers Winery, Mt. LaSalle. 0 Comment
  CAS-BOT-BC208041  Genista monspessulana M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UCD49066  Geranium dissectum L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 3 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  UCD103392  Geranium dissectum M. R. Wanzer 1948-5-22 25 Napa Putah Canyon, 12.5 miles west of Winters. Comment
  UCSB9893  Geranium dissectum Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Hill on west side of Capell Valley; 3.2 miles west of junction of the road with California Highway #37 213 Comment
  UCD23412  Geranium molle Helen West 1977-4-16 1 Napa Purple flowers, 10 stamens (2 rows of 5), low lying plant. Collected in sunny meadow, surrounding vegetation was low, covering plants, soil parent material is shale. 6.3 miles southwest of Monticello Dam, off Hwy. 128, along road side. 182 Comment
  UCD83410  Geranium purpureum Jake Ruygt 1986-5-7 1755 Napa Napa, Skyline Park. 152 Comment
  UCD70477  Gilia capitata P. J. Plummer 1995-5-27 s.n. Napa Napa County Barryessa Knoxville Rd. Rocky roadside. Herbs; flowers blue-lavender. 170 Comment
  JEPS110953  Gilia capitata subsp. capitata Jake Ruygt 1997-5-18 3854 Napa Hogback Mountain, Taylor Preserve. 542 Comment
  UCD117694  Gilia capitata subsp. capitata M. Ensign 1943-5-28 316 Napa about 26 miles north of Monticello on road to Lower Lake. Comment
  UCSC008577  Gilia clivorum Randall Morgan 1995-4-11 2376 Napa Intersection west of Horse Valley Comment
  NY336855  Gilia heterodoxa C. C. Parry 1881-1 180 Napa Comment
  UCD117969  Gilia tricolor G. L. Webster 1967-3-23 7493 Napa 1 mile south of Spanish Flat. 167 Comment
  UCD49200  Gilia tricolor subsp. diffusa L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 19 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along North Decker Canyon Rd., 70-100 ft. N of stream. 182 Comment
  UC908451  Gilia tricolor subsp. tricolor Herbert L. Mason 1933-4-30 7224 Napa n Aetna Springs (near Napa-Lake County line); n of Aetna Springs Comment
  JEPS106571  Githopsis diffusa subsp. robusta Jake Ruygt 1982-5-15 1252 Napa upper end of Soda Canyon 518 Comment
  JEPS11814  Githopsis specularioides Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  SEINET10464564  Githopsis specularioides Ira L. Wiggins 1949-4-30 Wiggins 12075 Napa Along old toll road between Calistoga and Middletown, about 1.5 miles northeast of Calistoga Comment
  CDA34678  Glinus lotoides L. Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  JEPS115689  Glinus lotoides Lowell Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  UC1563683  Glinus lotoides Barbara Ertter with Elizabeth Neese 1988-10-2 7966 Napa 15 air mi nnw of Napa (Lake Hennessey on Conn Creek, e of boat-launching ramp on se edge); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  CDA5998  Gnaphalium canescens R. Barrett 1957-10-17 415 -57 Napa County Corp. yard, Napa. 0 Comment
  UCD161355  Grindelia camporum Jake Ruygt 1987-5-27 2014 Napa Department of Fish and Game, Huichica Creek property, Buchli Station. (Coordinates estimated by label maker at UC Davis). 3 Comment
  CAS-BOT-BC304884  Grindelia hirsutula Peter H. Raven 1951-6-26 3085 Napa Cappell [Capell] Valley 304 Comment
  CAS-BOT-BC304890  Grindelia hirsutula J. T. Howell 1932-10-8 10804 Napa Napa River Comment
  CAS-BOT-BC304898  Grindelia hirsutula Peter H. Raven 1952-8-26 5132 Napa W. Bentley Wharf 15 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
  JEPS121525  Grindelia hirsutula Adam C. Schneider with Dick O'Donnell 2013-5-26 234 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  SEINET3132905  Grindelia hirsutula M. P. Dunford 1959-10-3 557 Napa Summit of Howell Mtn.; 2 mi. S of Pope Valley on road to Angwin Comment
  POM183387  Grindelia hirsutula var. davyi J. T. Howell 1930-7-13 5346 Napa Mt. St. Helena. Comment
  SEINET10925082 Image available Grindelia humilis f. pubescens John Thomas Howell 1932-10-8 Howell 10805 Napa Upper edge of tidal flat. Cuttings Wharf on Napa River, Napa Co. Comment
  CAS-BOT-BC302212  Harmonia hallii C. F. B. 1903-5-8 3079 Napa Knoxville Comment
  CAS-BOT-BC302213  Harmonia hallii H. M. Hall 1931-5-27 13102 Napa Three miles northwest of Knoxville Comment
  UCD161340  Harmonia hallii Jake Ruygt 1983-5-29 1476 Napa Berryessa-Knoxville Road, 2.4 miles south of Lake County line. (Coordinates estimated by label maker at UC Davis). 597 Comment
  UCD170465  Harmonia hallii Daniel Potter; Ninh Khuu 2016-6-18 894 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 449 Comment
  CAS-BOT-BC302217  Harmonia nutans Willis L. Jepson 1893-4-28 s.n. Napa Wooden Valley Grade, Napa River Basin Comment
  CAS-BOT-BC302233  Harmonia nutans Alice Eastwood 1923-5-9 11753 Napa Mt. St. Helena Comment
  CAS-BOT-BC302242  Harmonia nutans David D. Keck 1933-5-28 2329 Napa Howell Mountain, ca. 1 mile southwest of Pacific Union College Comment
  CAS-BOT-BC302243  Harmonia nutans David D. Keck 1931-4-4 1088 Napa The Crater Country, 3 miles SE. from summit of Mt. St. Helena. Northwestern Napa County 950 Comment
  CAS-BOT-BC302247  Harmonia nutans David D. Keck 1931-4-2 1027 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE. of Napa 200 Comment
  JEPS106553  Harmonia nutans Jake Ruygt 1977-4-9 180 Napa .3 miles south of Monticello Rd. on Wild Horse Valley north rd 420 Comment
  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
  UC894091  Harmonia nutans Alice Eastwood 1916-6-6 4664 Napa Mt. St. Helena Comment
  UCD135764  Harmonia nutans Bruce G. Baldwin 1987-4-26 652 Napa Las Posadas State Forest (Howell Mountain), immediately north of dirt road leading east from Las Posadas Fire Station, less than 0.1 mile east of station. Comment
  CHSC102532  Helenium puberulum Lowell Ahart 2009-10-27 16479 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 souththe causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  UCD48644  Helianthella californica S. Murphy; K. Keck and K. Dyer 2002-5-5 12 Napa Quail Ridge UC Reserve, northern tip of ridge, along northern edge of upper road leading to power lines and tip parcels, NE from the intersection of West and East roads ca. 500m. 327 Comment
  UC1301032  Helianthella californica subsp. californica Helen K. Sharsmith 1962-6-3 5112 Napa w slope of mtn near Angwin; Mount Howell 487 Comment
  UC1069443  Helianthella californica subsp. californica A. Lewis 1932-5-14 78 Napa along the roadside Napa Quadrangle Comment
  CAS-BOT-BC314719  Helianthella californica var. californica Paul F. Covel 1940-4-28 1703 Napa Grade near Sanatarium Comment
  CDA13716  Helianthus bolanderi G. F. Hrusa, T. D. Wilfred 1997-7-24 14020 Napa North Coast Biodiversity Arena; Middle reaches of Butts Canyon +- 8-10 mi. SE of 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
  JEPS4458  Helianthus californicus W. L. Jepson 1893-9-24 13426 Napa Angwin's Meadows Howell Mt., Angwin's Meadows Comment
  JEPS115746  Helianthus cusickii Lowell Ahart 2009-10-12 16424 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winte 133 Comment
  CHSC103019  Heliotropium curassavicum Lowell Ahart 2009-10-12 16432 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
  UC1177892  Heliotropium curassavicum Peter M. Ray 1950-6-9 1844 Napa ca. 25 mi. s. Lower Lake (rd. to Monticello) Comment
  SBBG128693  Heliotropium europaeum L. Ahart 2009-10-12 16433 Napa below high water line of Lake Berryessa, along Capell Crk E of Rest Area, 3/4 mi NE of Hwy 128 on Berryessa Knoxville Rd, 3/4 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi (air) W of Winters 133 Comment
  CAS-BOT-BC305851  Helminthotheca echioides Peter H. Raven 1951-9-9 3888 Napa At Solano Co. line w. of Hy. 29 15 Comment
  UCD161733  Hemizonia congesta subsp. congesta Jake Ruygt 2008-8-9 5364 Napa Big Ranch Road, south of El Centro Avenue, Van Winden property. 17 Comment
  SD9040  Hemizonia congesta subsp. luzulifolia Daniel Cleveland Sep 1882 Napa Aetna Springs. Comment
  UCD67774  Hemizonia congesta subsp. luzulifolia D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa MacLaughlin UC Natural Reserve. 680 Comment
  RSA31985  Hemizonia lutescens A. A. Heller 1941-9-22 16316 Napa Near Napa Junction. Comment
  UCD63182  Hesperevax acaulis var. robustior Jake Ruygt 2005-4-10 4751 Napa Skyline park, near Manzanita trail. 164 Comment
  JEPS122710  Hesperevax sparsiflora var. sparsiflora Jake Ruygt 1979-4-30 567 Napa Southeast corner of Napa County, east of Highway 80. Quad: Cordelia. Comment
  JEPS112583  Hesperolinon Jake Ruygt 1992-5-3 2926 Napa Skyline Park, Napa east of Marie Creek 195 Comment
  UCD110458  Hesperolinon Christopher Mallek 2008-1 KX1- 6 Napa Knoxville. 593 Comment
  JEPS123298  Hesperolinon David Gowen with Dick O'Donnell 2009-6-30 1077 Napa Along trail from Devilhead Road down to Cedar Creek. Comment
  JEPS112584  Hesperolinon bicarpellatum Jake Ruygt 1993-5-22 3266 Napa on private road across from James Creek Rd at Butts Canyon Rd 222 Comment
  JEPS22718  Hesperolinon bicarpellatum Katharine Brandegee 1911-6-29 Napa near Aetna Springs; Butts Canyon 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
  RSA151812  Hesperolinon bicarpellatum H. K. Sharsmith 1952-6-1 4117 Napa Between Walter Springs and Samuel Springs above Pope Creek, Pope Valley-Monticello road 152 Comment
  UC1212360  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-18 4081 Napa about 0.5 mi n Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  UCD119647  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Pritchard Hill, south of Lake Hennessey and Highway 128, on lands of Continuum Estate Winery, at end of private road near winery. 427 Comment
  CAS-BOT-BC176013  Hesperolinon californicum J. P. Tracy 1905-7-5 2205 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles East of Angwin's 365 Comment
  JEPS122879  Hesperolinon californicum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 625 Napa Pipeline road meadow site at McLaughlin Reserve. Comment
  JEPS122907  Hesperolinon californicum Adam C. Schneider 2015-6-10 938 Napa Shadhiliyya Sufi Center at Walter Springs (accessed via turnoff from Pope Canyon Rd). Comment
  JEPS32283  Hesperolinon californicum Willis L. Jepson 1893-6-26 13535 Napa Howell Mt. Napa River Basin Comment
  OBI12547  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4114 Napa Inner North Coast Ranges. S margin Chiles Valley near Chiles Valley School 305 Comment
  SD51663  Hesperolinon californicum Helen K. Sharsmith 1952-7-7 4123 Napa Slope of Conn Creek below Conn Dam, Sage Canyon, 4.5 miles east of Rutherford. 152 Comment
  UC1212448  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4114 Napa southern margin of valley near Chiles Valley School; Inner North Coast Ranges, Chiles Valley 304 Comment
  UC1212458  Hesperolinon californicum Helen K. Sharsmith 1952-5-18 4080 Napa w side of valley 2.8 mi n junction of Pope Valley-Monticello road w/road to Rutherford; Inner North Coast Ranges, Chiles Valley 243 Comment
  UC1212521  Hesperolinon californicum Helen K. Sharsmith 1958-10-16 4618 Napa head Pope Creek Canyon (where stream leaves Pope Valley); Inner North Coast Ranges 243 Comment
  UCD149639  Hesperolinon californicum Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  HSC101500  Hesperolinon californicum Thomas W. Nelson, Jane P. Nelson 1985-5-26 7809 Napa Along Pope and Charles Valley Rd. at milepost 6 Comment
  UC1212463  Hesperolinon californicum Helen K. Sharsmith 1958-10-16 4615 a Napa se-facing slope on s side Conn Dam (just above road); Inner North Coast Ranges 121 Comment
  UCD167293  Hesperolinon californicum Jake Ruygt 1985-5-25 1606 Napa American Canyon, 0.4 miles east of Flosden Road. 137 Comment
  CAS-BOT-BC176056  Hesperolinon clevelandii John H. Thomas 1955-5-21 5116 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC176051  Hesperolinon clevelandii John Thomas Howell 1939-7-13 5359 Napa On the edge of the Crater Country Comment
  JEPS122797  Hesperolinon disjunctum Jake Ruygt 2004-6-12 4613 Napa Devilhead Road at Turner Mountain. QUAD: Walter Springs. Comment
  UC1212481  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4148 Napa directly e Knoxville; Inner North Coast Ranges 396 Comment
  JEPS112655  Hesperolinon drymarioides Jake Ruygt 2000-7-8 4283 Napa Devilshead Rd. 475 Comment
  JEPS121561  Hesperolinon micranthum Adam C. Schneider with Dick O'Donnell 2013-5-26 198 Napa Along Chiles Valley Road. Comment
  JEPS6468  Hesperolinon micranthum W. L. Jepson 1944-6-15 27532 B Napa on summit of main ridge near Old Signal Station site; Napa-Solano Counties Comment
  UC1212278  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4642 a Napa on branch road of Hwy 128 just above Soda Creek (6.4 mi beyond junction of Hwy 37 with 128 Locality for HKS 4073); Inner North Coast Ranges, Cappell Valley 198 Comment
  UC1212412  Hesperolinon micranthum Helen K. Sharsmith 1957-5-30 4594 Napa nw of Cappell Valley; Inner North Coast Ranges 243 Comment
  JEPS122788  Hesperolinon sharsmithiae Jake Ruygt 2009-6-18 5439 Napa Chiles-Pope Valley Road. QUAD: Chiles Valley. Comment
  JEPS122790  Hesperolinon sharsmithiae Jake Ruygt 2009-6-22 5446 Napa Near Capell Creek, west of Bear Flat. QUAD: Capell Valley. Comment
  JEPS122858  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-28 247 Napa Pope Canyon Road, just east of brdige over Pope Creek Comment
  JEPS122869  Hesperolinon sharsmithiae Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-18 602 Napa At end of Barnett Rd. off of Pope Valley Rd. Comment
  JEPS127884  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-26 197 Napa Along Chiles Valley Road. Comment
  POM86846  Hesperolinon spergulinum Marcus E. Jones 1881-7-6 343 Napa St. Helena. Comment
  UCD167351  Hesperolinon spergulinum Jake Ruygt 2010-7-5 5665 Napa East of White Point. 658 Comment
  SD58210  Hesperolinon spergulinum W. L. Jepson 1916-8-6 6828 Napa Howell Mountain. Comment
  UCD112242  Heterocodon rariflorum Christopher Mallek 2008-5-12 AS2- 14 Napa Aetna Springs. 668 Comment
  UCD164836  Heterocodon rariflorum Jake Ruygt 2012-6-2 5858 -c Napa Spanish Valley on south ridge. 345 Comment
  JEPS11799  Heterocodon rariflorum Willis L. Jepson 1893-1 Napa grade below New Eden (Howell Mt); Napa River Basin, Howell Mt. Comment
  SEINET10460603  Heterocodon rariflorum Willis L. Jepson Jepson 1893 Napa HOWELL MTN Comment
  UCD113325  Heteromeles arbutifolia P. J. Plummer 1995-6-5 s.n. Napa Highway 128. 73 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
  UC420437  Heuchera micrantha var. erubescens H. P. Chandler 1907-5-14 7582 Napa White Sulphur Spring St. Helena Comment
Read comments
1
  UC16290  Hoita macrostachya unknown Aug 1862 1322 Napa Rag Canyon; dry creek bed Comment
  JEPS65628  Hoita macrostachya Willis L. Jepson 1901-8-6 1734 Napa Howell Mt. Napa River Basin Comment
  UC1618008  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa between Napa and Wooden Valley (n. slopes of George Mt. along Sarco Creek); George Mt., Sarco Creek 152 Comment
  CAS-BOT-BC280702  Holcus lanatus Elsa G. Ruckert 1960-4-29 s.n. Napa 300 yards from 6495 Dry Creek Road 365 Comment
  CAS-BOT-BC315791  Holozonia filipes Edward Lee Greene 1883-10-1 s.n. Napa Napa Valley Comment
  CAS-BOT-BC315796  Holozonia filipes Peter H. Raven 1952-8-28 5162 Napa Road below Napa Soda Springs 213 Comment
  UCD63057  Hordeum brachyantherum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 Comment
  CAS-BOT-BC280879  Hordeum brachyantherum subsp. brachyantherum Peter H. Raven 1950-4-15 1702 Napa Napa 9 Comment
  JEPS76119  Hordeum brachyantherum subsp. brachyantherum W. L. Jepson 1938-6-8 18893 Napa South Fork Butts Creek , Butts Canyon (Butts Canyon) Comment
  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
  UC1023500  Hordeum brachyantherum subsp. californicum Peter H. Raven 1951-6-10 2927 Napa E of Palisades (Crater Region) 762 Comment
  CAS-BOT-BC285096  Hordeum marinum subsp. gussoneanum Peter H. Raven 1952-5-29 4078 Napa Napa River 1 mi. n. Napa 60 Comment
  UC187092  Hordeum marinum subsp. gussoneanum Joseph P. Tracy 1903-5-18 1855 Napa Calistoga Hot Springs Northern Coast Ranges, Calistoga Hot Springs 91 Comment
  UCD20430  Hordeum murinum E. Dean; w/ PLB 102 class 2002-5-4 1018 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of powerlines. 259 Comment
  UC50689  Hordeum murinum subsp. leporinum H. P. Chandler 1900-5-7 626 Napa Rutherford Comment
  UC73773  Hordeum murinum subsp. leporinum J. Burtt Davy Apr. 1902 Napa St. Helena Comment
  JEPS106982  Hydrocotyle sibthorpioides Doreen Smith Nov 2003 s. n. Napa lawn of Silverado Country Club, E edge Napa Valley on NE side of Napa 39 Comment
  UC127182  Hypericum anagalloides Harley P. Chandler Sep 7 1906-Sep 14 1906 7104 Napa Alta Loma Ranch 487 Comment
  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-BC410805  Hypericum concinnum Belle Richardson Jackson 1930-6-8 s.n. Napa On the old Toll Road below Patten's Mt. St. Helena region Comment
  CAS-BOT-BC410808  Hypericum concinnum H. E. McMinn 1923-5-25 963 Napa Summit of Wooden Valley grade Comment
  JEPS106646  Hypochaeris glabra Jake Ruygt 1990-4-1 2453 Napa White Creek, Wild Horse Valley Ranch 402 Comment
  UCD18095  Hypochaeris glabra Ellen Dean; with PLB 102 class 2000-4-29 751 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
  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
  UCD138720  Iris fernaldii Collector Unknown 1935-5-5 s.n. Napa near Petrified Forest, Calistoga. Comment
  UCD138725  Iris fernaldii Heidi E. M. Dobson 1978-4-8 297 Napa East side of Mt. Veeder. Comment
  UCD166692  Iris fernaldii Jake Ruygt 1986-5-10 1756 Napa Devil's Canyon. 426 Comment
  JEPS17332  Iris macrosiphon W. L. Jepson 1900-3-10 516 Napa Howell Mt. Comment
  UC4271  Iris macrosiphon Willis L. Jepson 1893-4-24 Napa Napa River Basin; trail to Caux's Cabin Comment
  JEPS129148  Iva axillaris Jake Ruygt 1981-7-20 1071 Napa Napa Airport. Cuttings Wharf 7.5' Quad. Comment
  JEPS106648  Jaumea carnosa Jake Ruygt 1991-7-27 2805 Napa Napa River, 100 yds north of Southern Crossing 0 Comment
  UC484303  Juglans californica var. hindsii Carl B. Wolf 1930-11-3 1801 Napa above Wooden Valley; Napa Range, Munson Ranch 304 Comment
  UCD141338  Juncus balticus subsp. ater H. MacKenzie 1949-5-29 22 Napa 5 miles west of St. Helena. Comment
  UC1601696  Juncus bufonius Willis L. Jepson 1893-1 Napa Napa Valley Napa River Basin Comment
  UCR227901  Juncus bufonius Ayzik Solomeshch 2007-5-30 s.n. Napa Woolls Ranch, 1032 Veeder Road, northwest of the city of Napa 152 Comment
  JEPS126046  Juncus luciensis Jake Ruygt 1990-4-28 2516 Napa Bear Valley at pond. Detert Reservoir 7.5' Quad. Comment
  JEPS126058  Juncus occidentalis Jake Ruygt 2006-6-3 5047 Napa Las Posadas State Forest north of Fire Station. Saint Helena 7.5' Quad. Comment
  UCD168530  Juncus occidentalis Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  JEPS122659  Juncus oxymeris Jake Ruygt 1996-5-31 3726 Napa South of James Creek road and Butts Canyon Road, Pope Valley. Quad: Aetna Springs. Comment
  UC1103058  Juncus oxymeris Joseph P. Tracy 1899-6-11 351 Napa 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Head of Moores Creek 365 Comment
  UCD164840  Juncus oxymeris Jake Ruygt 2012-5-19 5849 Napa Spanish Valley. 219 Comment
  JEPS122666  Juncus phaeocephalus var. paniculatus Jake Ruygt 1996-6-1 3732 Napa Highway 128 about 3/4 mile north of Turtle Rock Cafe. Quad: Chiles Valley. Comment
  RSA293538  Juncus xiphioides C. W. Tilforth, John Dourley 1979-7-22 1857 Napa 0.4 miles south of Park Headquarters, west side of Lake Berryesa. 137 Comment
  SBBG6948  Keckiella corymbosa J. M. Tucker 1941-9-20 399 Napa between Monticello and Pope Valley Comment
  JEPS11337  Kickxia elatine W. L. Jepson 1930-10-19 15684 Napa mouth of Sage Canyon (in Conn Creek bed); Napa Valley, Conn Creek 45 Comment
  JEPS24507  Kickxia elatine J. H. Thomas 1960-8-29 8840 Napa about 1 mi n Calistoga (along Highway 53) Comment
  RSA475215  Kickxia elatine Aaron Liston, Sara Meury 1987-6-6 676 -1 Napa Bothe - Napa Valley State Park. 150 Comment
  UCD123880  Kickxia elatine Freed Hoffman 1947-8-1 1689 Napa Sage Canyon. 796 Comment
  JEPS76090  Koeleria macrantha W. L. Jepson 1938-5-24 18845 Napa Plateau n of Four Corners Howell Mountain (Napa Range); , Howell Mountain 762 Comment
  UCD36305  Koeleria macrantha Beecher Crampton 1953-5-19 1307 Napa 10 miles west of Monticello, along Highway 128. Comment
  UCD85738  Koeleria macrantha Beecher Crampton 1956-5-25 3474 Napa Southeastern Capell Valley. Comment
  UCD20756  Lactuca serriola M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 105 Napa McLaughlin UC Reserve. Just S of the reserve on Adam's Ridge Rd. 1.6 road miles E of the jct with Devilhead Rd. 640 Comment
  SEINET3071645 Image available Lagophylla dichotoma subsp. minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring. Comment
Read comments
Nov 25 2013
  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
  UC175970  Lagophylla minor J. P. Tracy 1902-5-22 1621 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 365 Comment
  UCD135655  Lagophylla minor Bruce G. Baldwin 1988-5-29 706 Napa immediately beyond junction with State Highway 128 along north side of Lower Chiles Valley Road. Comment
  CAS-BOT-BC341417  Lagophylla minor J. Clausen 1935-5-22 1069 Napa 1 mile east 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
  JEPS41064  Lagophylla minor Rimo Bacigalupi, and L. R. Heckard 1965-5-16 9114 Napa about 7 mi se Knoxville (at the s end of Cedar Valley); Cedar Valley 594 Comment
  SEINET3860269  Lagophylla minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just S of Walters Spring.; 0 Comment
  SEINET879048 Image available Lagophylla minor D. D. Keck 1933-1 2338 Napa Bridge over Pope Creek, just south of Walters spring. Comment
  UC89207  Lagophylla ramosissima Mrs. K. Curran 1888-8-1 Napa Howell Mountain Comment
  UCD18035  Lamium amplexicaule Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 586 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley, just E of site of old town of Knoxville. Near old Osage orange tree by creek. 402 Comment
  CAS-BOT-BC338262  Lasthenia californica Carl B. Wolf 1928-5-3 1786 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC338267  Lasthenia californica John Thomas Howell 1926-3-27 1761 Napa Myrtledale Hot Springs near Calistoga Comment
  UC166655  Lasthenia californica subsp. californica J. P. Tracy 1902-5-17 1514 Napa 3-4 mi e of Angwin's Head of Moore's Creek; Howell Mountain 365 Comment
  UCD63157  Lasthenia conjugens Jake Ruygt 1998-5-4 3963 Napa North of Suscol Creek; Suscol Hill. Comment
  JEPS106685  Lasthenia glaberrima Jake Ruygt 1992-4-29 2917 Napa meadow north of the polo fields at Wild Horse Valley Ran 472 Comment
  JEPS106622  Lasthenia glabrata subsp. glabrata Jake Ruygt 1982-5-13 1246 Napa .5 miles south of Imola Ave. on South Jefferson,Napa 1 Comment
  JEPS122755  Lasthenia microglossa Jake Ruygt 2003-4-24 4505 Napa Blue Ridge about 2 miles north of Mays Flat. Quad: Knoxville. Comment
  CDA4152  Lathyrus aphaca H. Stabo 1959-5-11 2373 Napa Kenneth Cairus property, St. Helena. 0 Comment
  UCD167170  Lathyrus aphaca Jake Ruygt 2015-4-24 6080 Napa Sutro Ranch, east side of Atlas Peak. 712 Comment
  UCD168534  Lathyrus hirsutus Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  RSA195353  Lathyrus nevadensis subsp. nevadensis Gilbert Muth 1967-3-31 595 Napa Old Howell Mountain road. 457 Comment
  UCD75720  Lathyrus odoratus Jake Ruygt 1983-4-30 1448 Napa 0.1 mile east of Hwy. 29 on Jameson Canyon Rd. 22 Comment
  UC15358  Lathyrus torreyi Willis L. Jepson 1894-4-30 Napa near Calistoga; Napa River Basin Comment
  UCD106481  Lathyrus vestitus Paul C. Hutchinson 1963-3-3 2673 Napa 2 miles above the St. Helena Sanitarium along the road to Pope Valley. Comment
  UCD106498  Lathyrus vestitus D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  UC650499  Lathyrus vestitus var. vestitus Ira L. Wiggins 1928-3-25 2884 Napa 1.5 mi ne Calistoga Comment
  UCD121193  Lathyrus vestitus var. vestitus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7364 a Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and Recreation Flat. 526 Comment
  UCD48942  Lathyrus vestitus var. vestitus S. Colby; L. Hanson, D. Bosworth, K. Sesser, G. Belley 2001-4-14 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 200 m up Cut-Off Rd. from South Decker Canyon Rd. 213 Comment
  JEPS39100  Layia chrysanthemoides W. L. Jepson 1915-4-23 6257 Napa Conn Valley Napa Range, Conn Valley 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-BC323192  Layia chrysanthemoides David D. Keck 1931-4-2 1045 Napa 4 miles S of Monticello, eastern Napa County. Comment
  CAS-BOT-BC323197  Layia chrysanthemoides J. Clausen 1935-5-22 1068 Napa 2.2 mi. S of Knoxville Comment
  RSA261531  Layia chrysanthemoides Gilbert Muth 1971-4-10 1393 Napa Snell Valley, W side of extreme NW arm-tip of Lake Berryessa, northern Napa County. 152 Comment
  UC30602  Layia chrysanthemoides Willis L. Jepson 1894-1-1 Napa Napa River Basin , Conn Valley Comment
  SEINET7042785  Layia platyglossa A. G. Vestal 1962-4-12 s.n. Napa Butts Canyon Road , 8.3 miles southeast of Route 53. Butts Canyon. Aetna Springs quadrangle UTM Zone 10, 547380mE, 4283517mN. Comment
  JEPS106632  Layia septentrionalis Jake Ruygt 1998-5-2 3948 Napa Chiles Canyon near white stone bridge. 146 Comment
  SEINET10840534  Legenere limosa Holland 1983-5-21 HOLLAND 1230 Napa A few hundred feet east of Routes 12 and 29, about 3.9 miles south of Route 121, about 1000 feet north of Suscol Creek 30 Comment
  CAS-BOT-BC534369  Lemna minor Peter H. Raven 1951-6-26 3042 Napa Sarco Creek east of Napa 60 Comment
  CAS-BOT-BC215774  Lepechinia calycina Milo S. Baker 1926-5-1 221 Napa 2 mi. S.e. of Inn, Mt. St. Helena Comment
  CAS-BOT-BC221495  Lepechinia calycina Milo S. Baker 1926-4-10 s.n. Napa Trail to Crater - 2 mi S. St Helena Inn Comment
  JEPS110793  Lepechinia calycina Jake Ruygt 1989-6-3 2362 Napa about 1 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  UCD49101  Lepechinia calycina S. Murphy; K. Keck and K. Dyer 2002-5-5 15 Napa Quail Ridge UC Reserve, northern tip of ridge, ca. 450 m from intersection of West and East roads, S side of upper road leading to power lines and tip parcels, 2 m from roadside. 388 Comment
  UCD74388  Lepidium draba Jake Ruygt 1979-4-2 473 Napa 0.1 mile north of Salvador Ave. on Big Ranch Rd. 18 Comment
  CHSC102265  Lepidium latifolium Lowell Ahart 2009-10-27 16482 Napa Below the high water line of Lake Berryessa, about 150 yards southeast of Eticuera Creek, about 250 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS115756  Lepidium latifolium Lowell Ahart 2009-10-27 16482 Napa Below the high water line of Lake Berryessa, about 150 yards southeast of Eticuera Creek, about 250 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  CAS-BOT-BC12514  Lepidium nitidum Peter H. Raven 1954-2-22 6409 Napa Orchards at west end of Saint Helena. 60 Comment
  JEPS106789  Lepidium nitidum var. nitidum Jake Ruygt 1982-3-2 1111 Napa north of HWY 12 near Huichica Creek 103 Comment
  JEPS53740  Lepidium strictum Willis L. Jepson 1893-5-1 13361 Napa Calistoga Napa River Basin Comment
  RSA115540  Leptosiphon acicularis Beecher Crampton 1957-6-4 s.n. Napa Above Capell Creek, north end Capell Valley Comment
  CHSC42327  Leptosiphon androsaceus L. Constance 1938-4-22 2133 Napa Above Dry Creek 2 mi. W. of Yountville, Miyakma Mountains, North Coast Ranges. 457 Comment
  OBI54928  Leptosiphon androsaceus Kathleen Faustini 1980-5-4 25 Napa Monticello dam Comment
  UCD49216  Leptosiphon bicolor L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 19 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. E-facing slope on disturbed road cut at the top of South Decker Canyon Rd. just below jct with Decker Ridge Rd. 350 Comment
  UCD167231  Leptosiphon bolanderi Jake Ruygt 2003-3-31 4486 Napa South of historic Knoxville on ridge to west. 445 Comment
  JEPS129093  Leptosiphon jepsonii Jake Ruygt 2016-4-26 6214 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  UCD103881  Leptosiphon jepsonii Joel Smith 2011-6-16 s.n. Napa Wantrup Road Wildlife Sanctuary, on primary road, 1.3 km W of Hardin Rd. and 60 m N of a vernal pool. 256 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
  JEPS129094  Leptosiphon latisectus Jake Ruygt 2016-4-26 6209 Napa Amy's Grove, Dry Creek Road. Rutherford 7.5' Quad. Comment
  UC2042989  Leptosiphon parviflorus Barbara Ertter with Jake Ruygt 1996-4-25 14597 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  UCD118108  Leptosiphon parviflorus Megan Mateo; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just northeast of fire station along undeveloped road. Northwest side of road near fork in road. 519 Comment
  UCD118508  Leptosiphon parviflorus Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD121168  Leptosiphon parviflorus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7353 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Recreation Flat area. Valley. 392 Comment
  JEPS8455  Lessingia hololeuca Peter H. Raven 1952-8-26 5147 Napa 3/4 mi w of Buchli Sta.; Railroad Comment
  JEPS20656  Lessingia ramulosa W. L. Jepson 1938-6-8 18887 Napa nw Pope Valley; South Fork of Butts Creek Comment
  UC1069829  Lessingia ramulosa B. Schreiber 1936-9-20 2351 Napa 5 mi s Reiff; Reiff Quad. Comment
  CAS-BOT-BC444419  Lewisia rediviva Colleena Stewart 1918-4-29 s.n. Napa Mt. St. Helena Comment
  JEPS76054  Leymus triticoides W. L. Jepson 1937-7-16 18451 Napa Oakville Napa Valley Comment
  CAS-BOT-BC451586  Lilaea scilloides Peter H. Raven 1951-6-24 3027 Napa Brown's Valley to Napa-Sonoma Rd. 91 Comment
  POM290969  Lilium rubescens Lyman Benson 1929-6-29 s.n. Napa Mt. St. Helena Comment
  SEINET7073089  Limnanthes douglasii A. G. Vestal 1963-4-7 s.n. Napa A meadow about 4.3 miles north of Saint Helena at the cross-road from Route 29. Coordinate datum WGS84/NAD83. (38? deg. 33' 10" North Latitude, -122? deg. 31' 6" West Longitude, UTM Zone 10, 541975mE, 4267068mN. Coordinate datum: NAD27). Comment
  JEPS17375  Limnanthes douglasii Rimo Bacigalupi with John Dawson 1955-4-25 4842 Napa 2 1/2 mi s Imola (along CA Hwy 29) Comment
  JEPS48862  Limnanthes douglasii Elsa Kraeger 1926-3-27 Napa s Soscol Comment
  SEINET8727028 Image available Limnanthes douglasii Laura Zeller 1965-1 29 Napa ca. 1/2 mile E of Junction of Pope Valley Road and Butts Canyon Road on Butts Canyon Road. Elevation ca. 700 feet. 213 Comment
  JEPS112542  Limnanthes douglasii subsp. douglasii Jake Ruygt 1995-4-19 3438 Napa 1.35 miles north of Coombsville Road on First Avenue 39 Comment
  CHSC84509  Limnanthes douglasii subsp. nivea John Dittes 2003-4-5 2003 -12 Napa Inner North Coast Range; Napa Valley; approximately 1.6 air-miles north by northwest of Calistoga City Hall, approximately 0.9 air-mile northwest of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Road and Tubbs Lane. 121 Comment
  JEPS19608  Limnanthes douglasii subsp. nivea W. L. Jepson 1921-5-6 9175 Napa Calistoga Comment
  CDA13214  Limnanthes floccosa subsp. floccosa G. F. Hrusa, J. M. Tucker, G. L. Webster, M. Rejmanek 1996-5-4 12915 Napa North Coast Biodiversity Arena; in of Palisades in Cub Valley. MonteSol Ranch. Comment
  UCD167292  Limnanthes floccosa subsp. floccosa Jake Ruygt 2005-4-17 4772 Napa Cub Valley' south of Bear Valley. 664 Comment
  JEPS110961  Linanthus acicularis Jake Ruygt 1992-5-3 2929 Napa Westwood Hills Park, Browns Valley Rd. Napa 121 Comment
  SEINET11262762  Linanthus acicularis Peter H. Raven 1951-4-8 2766 Napa Yountville to Rutherford.; 0 76 Comment
  JEPS110967  Linanthus androsaceus Jake Ruygt 1983-5-8 1457 Napa Skyline Park 152 Comment
  UC971717  Linanthus dichotomus Herbert L. Mason 1942-5-24 12540 Napa 8 mi s Pope Valley Store Comment
  CAS-BOT-BC123069  Linanthus dichotomus subsp. meridianus John Thomas Howell 1940-5-19 15459 Napa Upper St. Helena Creek. Comment
  HSC58977  Linanthus dichotomus subsp. meridianus G. E. Johnston 1974-4-4 1024 Napa Near Bell Canyon, close to the town of Angwin 427 Comment
  JEPS110977  Linanthus dichotomus subsp. meridianus Jake Ruygt 1976-4-25 31 Napa 23.5 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 630 Comment
  UCD118642  Linanthus dichotomus subsp. meridianus Carl A. Huether Jr. 1965-3-4 50 Napa 1/4 mile E of mail boxes on road to M and M Ranch, middle Snell Valley. Comment
  JEPS58098  Linanthus latisectus W. L. Jepson 1897-5-2 20940 Napa sw of Calistoga (Rebecca Ranch grade); Upper Napa Valley Comment
  JEPS110970  Linanthus parviflorus Jake Ruygt 1996-4-6 3556 Napa near ridgetop, south of Rector Dam. 146 Comment
  JEPS110971  Linanthus parviflorus Jake Ruygt 1978-5-21 338 Napa .4 miles east of Silverado Trail on Dutch Henry Canyon Rd 121 Comment
  UC146063  Linanthus parviflorus H. P. Chandler 1907-4-25 7538 Napa Chiles Valley road Comment
  UC188469  Linanthus parviflorus C. F. Sonne Apr 1896 Napa Napa Valley Comment
  JEPS58547  Linanthus pygmaeus J. P. Tracy 1902-5-16 1502 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  JEPS37735  Lithocarpus densiflorus W. L. Jepson 1894-10-14 Napa Rebecca Ranch grade; Upper Napa Valley Comment
  CAS-BOT-BC36061  Lithocarpus densiflorus var. densiflorus John Thomas Howell 1926-10-3 2209 Napa St. Helena Creek on emile below Patten's 609 Comment
  CAS-BOT-BC36064  Lithocarpus densiflorus var. densiflorus Belle Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC430622  Lithophragma affine Peter H. Raven 1953-4-2 5258 Napa hills e. of Imola 121 Comment
  CAS-BOT-BC430623  Lithophragma affine Peter H. Raven 1950-4-15 1717 Napa Silverado Trail outside of Napa 15 Comment
  CAS-BOT-BC430627  Lithophragma affine E. Ruckert 1928-5-3 101 Napa 6495 Dry creek Road, upper meadow southwest of road leading in from county road 411 Comment
  CAS-BOT-BC435615  Lithophragma heterophyllum Carl B. Wolf 1928-5-3 1826 Napa Base of Mt. St. Helena Comment
  UCD102717  Lithophragma heterophyllum Collector unknown 1931-4-19 s.n. Napa Calistoga. Comment
  RSA195291  Lithophragma parviflorum Gilbert Muth 1967-4-30 663 Napa Near entrance to Shell Valley. 183 Comment
  UCD49256  Lithophragma parviflorum var. parviflorum C. Matthews; T. Petrie, C. Little, and K. Glover 2001-4-14 24 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; 50 ft. NW of N. Decker Canyon Rd./West Rd. jct; N side of road. 152 Comment
  CAS-BOT-BC342248  Logfia filaginoides Peter H. Raven 1951-5-20 2854 Napa Hills w. Oakville 548 Comment
  UCD18102  Logfia filaginoides Ellen Dean; with PLB 102 class 2000-4-29 758 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
  UC1132201  Lolium multiflorum J. B. Spring 1932-6-7 70 Napa head of Carneros Creek; Napa Quadrangle, head of Carneros Creek Comment
  UCD18077  Lolium multiflorum Ellen Dean; with PLB 102 class 2000-4-22 633 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  UCR23398  Lomatium John C. Roos 1939-3-18 302 Napa North Coast Range, Snell Valley, near Angwin 183 Comment
  SBBG5203  Lomatium caruifolium H. and M. Dearing 1939-5-3 3263 Napa near Rutherford Comment
  CDA11900  Lomatium dasycarpum G. F. Hrusa, G. L. Stebbins 1994-4-8 11720 Napa North Coast Biodiversity Arena; approx. 1/2 mile above Aetna Springs resort. Comment
  UCD149668  Lomatium dasycarpum Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  UCR45089  Lomatium dasycarpum L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  UCD127626  Lomatium dasycarpum Robert E. Preston 1987-6-18 564 Napa around 1/2 mile east of Round Corral, Big Basin. 182 Comment
  UCD20784  Lomatium dasycarpum V. (Shorty) Boucher 2002-3-27 3 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Just north of the intersection of West and East roads, along upper Ridge road (just north of intersection of western Ashley easement road and Ridge Road). On the road through burned chaparral at the north tip of the peninsula. 320 Comment
  JEPS105675  Lomatium dasycarpum subsp. dasycarpum L. P. Janeway, B. Castro 2002-5-12 7549 Napa Inner North Coast Ranges. Northeast-facing slope along Devilhead Road 0.8 km south of Berryessa-Knoxville Road and Knox-ville Creek 488 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
  UC1195671  Lomatium dasycarpum subsp. dasycarpum A. R. Kruckeberg 1947-5-4 1447 Napa Butts Creek canyon Comment
  UCD170348  Lomatium hooveri Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 847 Napa Knoxville Wildlife Area, south of Nevada Creek. 477 Comment
  POM182682  Lomatium marginatum D. D. Keck 1931-4-3 1076 Napa 5 miles NE of Aetna Springs, along Butts Creek. Comment
  POM225346  Lomatium marginatum J. T. Howell 1931-4-19 6466 Napa Conn Valley. Comment
  SD58377  Lomatium marginatum W. L. Jepson 1915-4-23 6266 Napa Chiles Creek hills, Napa Range Comment
  JEPS41087  Lomatium marginatum var. purpureum Rimo Bacigalupi and L. R. Heckard 1965-5-15 9090 Napa 0.5 mi. s.e. of Devilhead Rd. from Knoxville to Cedar Valley (headwaters of Zim Zim Creek); Zim Zim Creek 487 Comment
  UC1731433  Lomatium marginatum var. purpureum Dean W. Taylor 1998-6-18 16679 Napa ridge dividing Butts Canyon and Spanish Valley; North Coast Ranges 502 Comment
  HSC103468  Lomatium marginatum var. purpureum Thomas W. Nelson, Jane Nelson 1981-4-14 6373 Napa Along Devil's Head Rd., at crossing of Cedar Creek 549 Comment
  JEPS13744  Lomatium marginatum var. purpureum Frank W. Gould 1939-4-6 613 Napa one mi N of Knoxville Comment
  CAS-BOT-BC217801  Lomatium repostum Peter H. Raven 1951-6-10 2913 Napa Crater Regoin, E. of Mt. St. Helena 762 Comment
  UCD148112  Lomatium repostum Jake Ruygt 1979-5-6 584 Napa Mt. St. Helena. 792 Comment
  UCD160296  Lomatium repostum James A. Neilson Jr. 1975-5-17 3193 Napa Robert Louis Stevenson State Park, 2/3 of the way along road to summit of Mt. St. Helena. (Exact location unknown. Elevation and coordinates estimated by label maker.) 1165 Comment
  UCD164769  Lomatium repostum Jake Ruygt 2014-5-19 5940 Napa Sutro Ranch, Atlas Peak. 743 Comment
  CDA11321  Lomatium utriculatum G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12027 Napa at entrance gate, UC Quail Ridge Reserve Comment
  UCD164761  Lomatium utriculatum Jake Ruygt 2014-4-7 5917 Napa Sutro Ranch, south end near Foss. 700 Comment
  SBBG5222  Lomatium utriculatum H. and M. Dearing 1939-5-3 3272 Napa Child's Valley, near St Helena Comment
  SEINET5744663 Image available Lomatium utriculatum Carl Luhn 1960-1 30 Napa State Hwy 128, 0.25 mile S of junction with Wragg Canyon Road and ca. 5 miles SW of Monticello Dam.; Monticello Dam Comment
  JEPS17559  Lomatium vaginatum W. L. Jepson 1893-5-2 14311 Napa Pope Valley grade from Calistoga; Napa Range Comment
  JEPS12849  Lonicera hispidula var. vacillans W. L. Jepson 1898-1-4 Napa Howell Mountain Comment
  JEPS106727  Lonicera interrupta Jake Ruygt 1979-6-3 676 Napa Oat Hill Mine Rd. north near Kidd Canyon 563 Comment
  JEPS126121  Lonicera involucrata var. ledebourii Jake Ruygt 1997-5-10 3848 Napa Atlas Peak Road about 0.2 miles south of Foss Valley (Mead). Capell Valley 7.5' Qua. Comment
  JEPS107213  Lotus grandiflorus var. grandiflorus Jake Ruygt 1998-5-18 3974 Napa north of Mt. Vaca on ridgeline. 798 Comment
  JEPS107214  Lotus grandiflorus var. grandiflorus Jake Ruygt 1998-6-24 4058 Napa County line ridge between Taylor Bluff and Cottonwood Canyon 737 Comment
  HSC43986  Lotus humistratus Robert M. Specht 1977-4-19 691 Napa Above drainage running NE from Adams Creek. 518 Comment
  RSA603509  Lotus humistratus M. Sidells 1996-4-13 9 Napa Southwest side of Lake Bereyessa, 150 m northeast of Knoxville Rd. 250 Comment
  UCR43198  Lotus humistratus L. F. LaPre 1986-5-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon', a tributary to Hunting Creek from the east, 2 mi SW of the site of Knoxville, just east of Lake Co. line 366 Comment
  SEINET3694609 Image available Lotus micranthus W. L. Jepson 1893-4-24 13787 Napa Howell Mountain grade, E of town of St. Helena, Napa River Basin Comment
  SEINET7072526  Lotus parviflorus A. G. Vestal 1963-4-7 s.n. Napa About 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD 27. Comment
  UCR200669  Lotus purshianus Daniel Sanchez-Mata 2006-6-15 s.n. Napa Moskowite Corners - Spanish Flat, Capell Valley, Capell Valley Road close to Capell Creek 200 Comment
  JEPS64887  Lotus scoparius W. L. Jepson 1934-10-19 16902 Napa St. Helena Comment
  UCD78328  Ludwigia peploides subsp. montevidensis B. J. Grewell 2005-10-4 05- 35 -LU Napa Lake Hennessey shoreline at Sage Creek overflow, s. of Hwy 128 and east of main lake body. 98 Comment
  JEPS122705  Lupinus affinis Jake Ruygt 2005-3-28 4720 Napa Monticello Road, near large road cut, south of Circle Oaks. Quad: Capell Valley. Comment
  JEPS129027  Lupinus affinis Jake Ruygt 2016-5-10 6246 Napa Sutro Ranch, Atlas Peak. Yountville 7.5' Quad. Comment
  UC15756  Lupinus affinis Willis L. Jepson 1893-4-26 Napa Oakville; Napa River Basin, Oakville Comment
  RSA113240  Lupinus albicaulis var. shastensis E. K. Balls, Lee W. Lenz, B. K. Balls 1955-5-12 2450 Napa 1.7 mi. nw. Placer-Nevada Co. Line, along rd. from Coflax to Grass Valley. 747 Comment
  HSC14767  Lupinus albifrons Greg Bos 1963-3-3 22 Napa W shore of Lake Berryesa, S slope of Hill. 183 Comment
  JEPS107237  Lupinus albifrons Jake Ruygt 1976-5-2 46 Napa 4.5 miles NE of Atlas Peak Rd. on Monticello Rd. 335 Comment
  CAS-BOT-BC201552  Lupinus albifrons var. albifrons Charles Piper Smith 1947-5-5 47202 Napa Cordelia, 3.4 miles west, Highway 40 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
  JEPS107221  Lupinus bicolor Jake Ruygt 1996-4-24 3622 Napa Garfield Lane, Napa. 17 Comment
  JEPS107230  Lupinus bicolor Jake Ruygt 1980-5-13 889 Napa Campbell Flat, Mt. St. John 316 Comment
  JEPS107231  Lupinus bicolor Jake Ruygt 1982-4-25 1204 a Napa Aetna Springs below Swartz Canyon 246 Comment
  JEPS64990  Lupinus bicolor W. L. Jepson 1897-5-2 61 t Napa St. Helena Comment
  UC82070  Lupinus bicolor C. F. Baker 1903-4-19 1982 Napa Calistoga Comment
  UC126964  Lupinus bicolor Willis L. Jepson 1893-4-27 Napa Napa City; Napa River Basin, Napa City Comment
  JEPS64994  Lupinus bicolor subsp. tridentatus Willis L. Jepson 1897-5-2 32 t Napa St. Helena Napa River Basin, St. Helena Comment
  UC865161  Lupinus formosus Lewis S. Rose 1935-9-12 35651 Napa 2 mi nw Napa; nw of Napa 60 Comment
  JEPS107227  Lupinus formosus var. formosus Jake Ruygt 1976-6-8 113 Napa 2.4 miles east of HWY 29 on Jameson Canyon Road 91 Comment
  RSA10670  Lupinus latifolius subsp. latifolius Carl B. Wolf 1928-5-3 1819 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  SEINET10490794  Lupinus latifolius subsp. latifolius Marcus E. Jones 1924-4-24 Jones UMO 71601 Napa Comment
  UCD161788  Lupinus microcarpus Jake Ruygt 1998-4-27 3946 Napa Foley Creek Basin, west ridge, east of Berryessa-Knoxville Road. 414 Comment
  JEPS65097  Lupinus microcarpus var. densiflorus W. L. Jepson 1920-5-25 9049 Napa Zem-Zem Comment
  OBI48332  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jctn Hwy 29 in Rutherford, 3.6 mi W jct Lower Chiles Valley Rd Comment
  SEINET239734  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa Rocky roadside CA 128 E. 7.4 mi E jct. Hwy 29 in Ruthford. 3.6 mi w jct. lower Chiles Valley Rd. Comment
  UC1601852  Lupinus microcarpus var. densiflorus Willis L. Jepson 1894-5-1 Napa Conn Valley; Napa River Basin, Conn Valley Comment
  UCD47988  Lupinus microcarpus var. densiflorus Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 2 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  JEPS65362  Lupinus nanus W. L. Jepson 1915-4-23 6241 Napa hills e St. Helena; hills e of St. Helena Comment
  UCD168546  Lupinus nanus Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD48958  Lupinus nanus A. Van Houtte; E. Leger and C. Hohn 2001-4-14 3 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, on W side of S. Decker Canyon Rd., N of jct with Cut-Off Rd., near ruined cabins. 152 Comment
  UC126969  Lupinus nanus Willis L. Jepson 1893-4-26 Napa St. Helena , St. Helena (Napa River Basin) Comment
  UCD161611  Lupinus nanus Jake Ruygt 2001-4-18 4308 Napa Sulphur Springs Road, St. Helena. 76 Comment
  RSA169364  Lupinus nanus subsp. nanus L. S. Rose 1964-4-2 64014 Napa St. Helena 76 Comment
  CAS-BOT-BC202229  Lupinus sericatus Alice Eastwood 1915-6-6 4668 Napa Mt. St. Helena Comment
  UCR43183  Lupinus sericatus L. F. LaPre 1985-4-24 s.n. Napa Inner North Coast Ranges, Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. line and south of Three Peaks 671 Comment
  UCD167086  Luzula comosa var. comosa Jake Ruygt 2010-4-9 5495 Napa Moore Creek Canyon about 0.1 miles north of parking area. 243 Comment
  CAS-BOT-BC231455  Lycium barbarum Peter H. Raven 1951-8-22 3885 Napa Napa 45 Comment
  CDA5136  Lythrum hyssopifolia T. C. Fuller 1958-7-29 999 -58 Napa St. Helena Highway. 0 Comment
  CAS-BOT-BC343831  Madia elegans Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  CAS-BOT-BC343836  Madia elegans Walter Knight; Irja Knight 1963-10-20 362 Napa Beringer Ranch, Spring Mt. Rd. Town of St. Helena Comment
  JEPS40349  Madia elegans W. L. Jepson 1892-8-1 Napa Napa Valley Comment
  UC523529  Madia elegans David D. Keck 1933-11-10 2714 Napa weed field by High School; Calistoga Comment
  POM263490  Madia exigua J. C. Roos 1939-5-13 267 Napa Angwin, Howell Mt. Comment
  POM231110  Madia exigua Jens Clausen 1935-5-22 1070 Napa Ca. 1 mile east of Chiles Valley Store Comment
  JEPS40218  Madia gracilis W. L. Jepson 1893-5-8 Napa New Eden Howell Mt. Comment
  UCD18139  Madia gracilis Jean Shepard; with PLB 102 class 2000-4-29 189 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-BC343194  Madia gracilis John Thomas Howell 1933-6-4 11384 Napa Hills east of Napa Comment
  RSA52718  Madia gracilis subsp. gracilis I. L. Wiggins 1949-4-30 12072 Napa Along old toll road between Calistoga and Middletown, about 1.5 mi NE of Calistoga. Comment
  CAS-BOT-BC345044  Madia sativa Peter H. Raven 1950-6-20 2348 Napa In the Napa Range between Conn Valley & Howell Mtn. Comment
  JEPS106679  Madia sativa Jake Ruygt 1987-6-6 2035 Napa end of Redwood Rd.private residence of Mr.Kublor 396 Comment
  UCD139045  Maianthemum dilatatum Joan A. Wegner 1973-6-1 93 Napa Bird Hill near St. Helena. Comment
  UCD63150  Malacothrix clevelandii Jake Ruygt 2005-6-1 4885 Napa Knoxville Wildlife Area; Blue Ridge, 1 mile N of Mays Flat. 719 Comment
  UC518945  Malacothrix floccifera David D. Keck 1933-5-29 2368 Napa s of Walters Springs (Pope Creek bridge); Pope Creek Comment
  UCD134397  Malacothrix floccifera B. Wengeler 1995-4-30 s.n. Napa 0.2 mile north of Hwy 128 along Knoxville Road. 183 Comment
  UCD18099  Malacothrix floccifera Ellen Dean; with PLB 102 class 2000-4-29 755 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  JEPS122723  Malvella leprosa Jake Ruygt 1992-9-5 3147 Napa Highway 29 at intersection with Highway 12. Quad: Cuttings Wharf. Comment
  UCD19946  Marah fabacea E. A. Dean; Virginia Boucher 2002-2-28 902 Napa Quail Ridge Reserve. Along East Rd., 0.65 airline miles SE of stock pond at tip of ridge, where East and West Roads converge. 396 Comment
  UCD73411  Marah fabacea Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  JEPS42510  Marah fabacea Willis L. Jepson 1896-2-23 14125 Napa lower slopes Howell Mt. (near Rural Health Reteat); Napa River Basin Comment
  HSC103452  Marah watsonii Thomas W. Nelson, Jane Nelson 1981-4-14 6395 Napa Along Devil's Head Rd., .5 mi. from junction with Morgan Valley Rd., at junction with road to Hunting Creek 549 Comment
  JEPS129146  Marrubium vulgare Jake Ruygt 1978-5-4 287 Napa Trancas St. and Soscol Ave., Napa 7.5' Quad. Comment
  JEPS103972  Marsilea vestita subsp. vestita Jake Ruygt 1998-6-13 4023 Napa Milliken Creek south of Foss Valley. 405 Comment
  JEPS103981  Marsilea vestita subsp. vestita Jake Ruygt 1986-8-23 1909 Napa Lake Hennessey 92 Comment
  UCD13202  Matricaria discoidea Charles Martin 1986-4-20 3 Napa 3 mi W of Monticello Dam, along hwy 128. 304 Comment
  UCD33656  Medicago arabica Beecher Crampton 1971-5-19 8714 Napa Napa County, 3 miles south of Moskowite corner. Comment
  JEPS122951  Melica californica Jake Ruygt 1984-5-3 1540 Napa Bell Canyon. Quad: Saint Helena. Comment
  UC767182  Melica californica R. F. Hoover 1941-5-10 499 Napa between St. Helena and Calistoga Comment
  UCD48192  Melica californica A. Van Houtte; E. Leger, C. Hohn 2001-4-14 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just west of Monticello Dam; North of Research Station, north of junction with South Decker Canyon Rd. 365 Comment
  UCD87007  Melica californica K. Esau 1938-5-1 s.n. Napa Napa County. Napa Valley. Comment
  POM262893  Melica californica var. nevadensis J. C. Roos 1939-4-15 319 Napa Pope Valley. Comment
  CAS-BOT-BC282164  Melica geyeri W. S. Boyle 1942-4-25 1072 Napa Along the Silverado Trail Rd 7 miles S of Calistoga Comment
  HSC93592  Melica geyeri G. Fred Hrusa, M. Tu 1995-5-6 12159 Napa Along Moores Creek in La Posadas State Forest, along slope above creek. 152 Comment
  JEPS122950  Melica geyeri Jake Ruygt 1983-4-1 1400 Napa Redwood Road north of Mt. La Salle. Quad: Sonoma. Comment
  JEPS122915  Melica harfordii Jake Ruygt 1999-5-23 4172 Napa Upper Ritchey Creel Trail; Bothe State Park. Quad: Calistoga. Comment
  JEPS122947  Melica harfordii Jake Ruygt 1987-5-16 2001 Napa Devil's Canyon, below the falls. Quad: Sonoma. Comment
  LA12170  Melica torreyana Alice Eastwood; 1922-5-4 11247 Napa Calistoga Comment
  UC526911  Melica torreyana Joseph P. Tracy 1933-6-2 12477 Napa 3-4 mi e Anqwin's (on hills at head of Moore's Creek, Howell Mtn.); North Coast Ranges, Howell Mtn 396 Comment
  UCD117786  Melica torreyana Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD168573  Melica torreyana Stephen P. Rae; A. Solomeshch 2007-4-10 s.n. Napa Lieff property east of Rutherford, 40 Auberge Road above Rutherford Hill Road, just north of the intersection of Silverado Trail and Highway 128. 165 Comment
  UCD89107  Melica torreyana J. Lenz 1947-4-18 s.n. Napa Eastern Napa County. Child's Valley. Comment
  UCD89191  Melica torreyana D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. 250 Comment
  UCD89230  Melica torreyana Beecher Crampton 1958-4-29 4756 Napa Capell Creek, north end of Capell Valley. Comment
  CDA32528  Melica torreyana P. B. Kennedy 1928-4-15 Napa Blake Estate, south east of Pacific Union College, Angwin 0 Comment
  SEINET10599685  Melica torreyana David D. Keck 1931-4-2 Keck 1034 Napa Wooden valley road, east side of Napa Range, 8 miles from Napa. Comment
  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
  CDA29750  Mentha pulegium M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 213 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  CAS-BOT-BC428853  Micranthes californica Carl B. Wolf 1928-5-3 1839 Napa Base of Mt. St. Helena Comment
  CAS-BOT-BC428857  Micranthes californica Alice Eastwood 1918-5-1 6848 Napa Mt. St. Helena Comment
  CAS-BOT-BC428852  Micranthes californica Peter H. Raven 1953-4-2 5295 Napa Tulucay Creek 243 Comment
  CDA37353  Micropus californicus D. G. Kelch 2010-5-6 10 .168 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  RSA736572  Micropus californicus Keith E. Hoffmaster 1946-3-29 1047 Napa Putah Canyon, near Napa county line. Comment
  CAS-BOT-BC348549  Micropus californicus var. californicus Peter H. Raven 1950-4-15 1754 Napa Wooden Valley Grade, above Napa 457 Comment
  JEPS85049  Micropus californicus var. californicus Larry Heckard and Mary Ashton 1969-5-3 2218 Napa off the Atlas Peak Rd ca 7 mi ne Napa; Mead Ranch 510 Comment
  UCD18059  Micropus californicus var. californicus Ellen Dean; with Plant Biology 102 class 2000-4-22 614 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
  RSA695589  Micropus californicus var. californicus Keith E. Hoffmaster 1939-4-6 912 Napa Putah Canyon, Coast Range Comment
  UC50011  Microseris acuminata Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  CAS-BOT-BC348966  Microseris douglasii subsp. douglasii M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UCD148785  Microseris douglasii subsp. douglasii Ellen Dean; Diana Hickson 2014-4-29 8093 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  JEPS106892  Microseris douglasii subsp. tenella Jake Ruygt 1981-4-18 976 Napa Harris Canyon 170 Comment
  POM182669  Microseris elegans D. D. Keck 1931-4-4 1093 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  UC84379  Microseris laciniata subsp. laciniata Alice Eastwood 1900-5-6 Napa near Calistoga Comment
  UC1103335  Mimulus angustatus J. P. Tracy 1902-5-19 1557 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UC147893  Mimulus angustatus J. P. Tracy 1902-5-21 1610 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UC1731236  Mimulus angustatus Dean W. Taylor 1998-6-23 16696 Napa ca. 5 air mi w Aetna Springs (headwaters Swartz Canyon; south flanks Twin Peaks); Mayacamas Mtns, NCoRO, Swartz Canyon, Twin Peaks 716 Comment
  UC1746034  Mimulus angustatus Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2764 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UC1778559  Mimulus angustatus S. E. Schoenig 1998-6-5 98 -22 Napa 20 meters E of Ink Grade Rd., 0.5 miles NW of intersection with Howell Mtn Rd. 548 Comment
  JEPS11536  Mimulus arvensis W. L. Jepson 1915-4-23 6238 Napa hills e St. Helena 182 Comment
  UCD159948  Mimulus aurantiacus Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD160390  Mimulus aurantiacus Nellie Coffey 1931-3-29 s.n. Napa Chiles Valley. Comment
  UCD48234  Mimulus aurantiacus J. Howard; M. Carson, A. Haselby, P. Mayers 2000-4-29 14 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  UCD49285  Mimulus aurantiacus A. Collier; D. Caterson and S. Kenady 2002-5-4 10 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off N side of road 10 m. 350 Comment
  HSC43919  Mimulus aurantiacus var. aurantiacus Robert M. Specht 1977-4-13 652 Napa South-facing slope 488 Comment
  CDA41660  Mimulus bolanderi S. E. Schoenig 1998-6-3 98 -20 Napa Research Hill, 0.1 mile southwest of Devilhead Road, 0.5 mile southwest of Knoxville-Berryessa Road, 1 mile northwest of Homestake Mine. Comment
  JEPS115732  Mimulus cardinalis Lowell Ahart 2009-10-12 16451 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
  JEPS110608  Mimulus congdonii Jake Ruygt 1982-3-20 1135 Napa Mt. St. John 548 Comment
  UCD84987  Mimulus congdonii Dena Grossenbacher; Jake Ruygt 2009-3-14 947 Napa SW slope of Mt George. Botanical Preserve, Napa County Land Trust property. 364 Comment
  JEPS110606  Mimulus douglasii Jake Ruygt 1982-3-2 1112 Napa north of HWY 12 near Huichica Creek 106 Comment
  JEPS128874  Mimulus douglasii Jake Ruygt 1999-5-15 4157 b Napa North side of Ritchey Canyon, near Bothe State Park. Calistoga 7.5' Quad. Comment
  UC103695  Mimulus guttatus T. S. Brandegee Aug. 1888 Napa Howell Mt. Comment
  RSA80138  Mimulus guttatus Lincoln Constance 1938-3-27 2040 Napa Above Wooden Valley, 8 mi. NE of Napa, E. slope of Howell Mountains, North Coast Ranges. 457 Comment
  SEINET10813590 Image available Mimulus guttatus Charles F. Baker 1903-4-19 Baker 1980 Napa Calistoga. Colonies occasional in muddy meadows near sulphur springs. Comment
  SEINET7041069  Mimulus guttatus Christopher T. Ivey 2002-5-2 360 Napa In serpentine seep on south side of Pope Creek, just east of bridge on Pope Canyon Road, 5.1 mile west of Knoxville-Berryessa Road. 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
  RSA195352  Mimulus kelloggii Gilbert Muth 1967-5-17 686 Napa Summit of Oat Hill Road. 671 Comment
  UC1746030  Mimulus layneae Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2767 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS81962  Mimulus layneae Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9102 Napa about 6 1/2 mi se Knoxville (on a flat 1/2 mi due n of Cedar Valley) 609 Comment
  RSA293050  Mimulus layneae Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 765 Napa Mt St Helena. Comment
  JEPS10453  Mimulus microphyllus Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Comment
  JEPS11439  Mimulus microphyllus W. L. Jepson 1921-5-6 9171 Napa Calistoga 109 Comment
  UCD160788  Mimulus microphyllus Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8668 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  JEPS110582  Mimulus nasutus Jake Ruygt 1982-4-25 1203 Napa Swartz Canyon 381 Comment
  UCD96581  Mimulus nudatus Dena Grossenbacher; Brian Green 2008-5-29 851 Napa Along Devil's Head Road, 2 miles south of Berryessa - Knoxville Road junction. 502 Comment
  UCD122847  Mimulus pilosus K. Esau; D. Hartmann 1941-7-17 s.n. Napa Near Middletown. Comment
  CDA41814  Mimulus tricolor S. E. Schoenig 1998-6-3 98 -18 Napa 15 meters east of Knoxville-Berryessa Road, 2 miles south of Homestake Mine. Comment
  UC1301217  Minuartia californica Helen K. Sharsmith 1963-3-17 5225 Napa Mt. Atlas San Francisco Bay Region (s side) 609 Comment
  CAS-BOT-BC174563  Minuartia californica G. DeNevers 1982-3-21 1939 B Napa Along Atlas Peak Road. Napa Range Mt. Comment
  JEPS129020  Minuartia douglasii Jake Ruygt 2016-5-7 6234 -B Napa Smittle Creek west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD170362  Minuartia douglasii Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 860 Napa Knoxville Wildlife Area, west of Nevada Creek. 422 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
  CAS-BOT-BC220614  Monardella villosa John Thomas Howell 1930-7-13 5349 Napa Edge of the Crater Country 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
  UCD166668  Monardella villosa subsp. villosa Jake Ruygt 1992-6-24 3056 Napa Tuteur Ranch, end of Green Valley Rd. 292 Comment
  JEPS101598  Monardella viridis subsp. viridis Dean W. Taylor 1999-7-20 17289 Napa Crystal Lake (large vernal lake west of Highway 128 and Capell Creek) 350 Comment
  JEPS55471  Monardella viridis subsp. viridis Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena Comment
  SEINET10582239  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 374 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  SEINET10961499  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 373 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  RSA0054950  Montia Keith E. Hoffmaster 1946-3-23 1218 Napa Along Napa-Monticello road. Comment
  JEPS77947  Montia fontana Edward Lee 1936-3-15 1814 Napa 10.7 mi out of Rutherford (Rutherford-Pope Valley Road) Comment
  UCD20767  Muhlenbergia andina M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 117 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. In Sensitive Plant Canyon 150 yards upstream of junction with Hunting Creek. 640 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
  SEINET201032  Nassella lepida Joseph P. Tracy 1933-6-2 12466 Napa Howell Mountain Road 5 mi east of St. Helena 305 Comment
  UCD87903  Nassella lepida Gerry North 1993-3 27 Napa Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 60 m S of Vista Point at old slide. On NE side of Adobe Canyon Road. Comment
  UC1011035  Nassella pulchra Virginia Bufford and M. S. Baker Apr 1936 246 Napa on Monticello Hwy 5 1/2 mi from Napa Comment
  CAS-BOT-BC230260  Navarretia cotulifolia Herbert L. Mason 1934-4-30 8111 Napa Tributary of Putah Creek, Pope Valley Comment
  JEPS70270  Navarretia cotulifolia Joseph Andorfer Ewan 1934-4-30 8857 Napa e end Pope Valley 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
  POM180787  Navarretia divaricata subsp. vividior J. T. Howell 1930-7-13 5347 Napa On the edge of the Crater Country Comment
  UCD167174  Navarretia divaricata subsp. vividior Jake Ruygt 1986-5-24 1788 Napa Table Mountain. 731 Comment
  UCD167175  Navarretia divaricata subsp. vividior Jake Ruygt 2006-7-3 5066 Napa Mead Ranch on 'Old Wagon' trail. 472 Comment
  JEPS112536  Navarretia heterodoxa Jake Ruygt 1991-6-10 2717 Napa above Cooksley Lake toward Summit Lake Dr., Angwin 725 Comment
  POM258871  Navarretia heterodoxa J. T. Howell 1937-7-4 13056 Napa Wooden Valley Grade Comment
  UC657734  Navarretia heterodoxa Milo S. Baker 1941-6-30 10156 Napa n road from Silverado Trail (along highway to Howell Mt.) Comment
  UC908407  Navarretia intertexta Herbert L. Mason 1935-5-30 8329 Napa between Lower Lake and Knoxville mine (Napa-Lake counties) Comment
  UCD167188  Navarretia mellita Jake Ruygt 2005-6-1 4879 Napa Knoxville Wildlife Area; spur ridge of Blue Ridge, 1 mile north of Mays Flat. 411 Comment
  JEPS112552  Navarretia pubescens Jake Ruygt 1988-5-29 2206 Napa Devilshead Rd. at Berryessa-Knoxville Rd 457 Comment
  UC23831  Navarretia squarrosa Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  JEPS110944  Navarretia tagetina Jake Ruygt 1983-6-1 1484 Napa HWY 12 at Sonoma County line 91 Comment
  JEPS70479  Navarretia tagetina W. L. Jepson 1930-10-19 15689 Napa Pope Valley Comment
  UC143006  Navarretia tagetina Katharine Brandegee 1910-5 Napa above Calistoga; Toll House Grade Comment
  JEPS106577  Nemacladus capillaris Jake Ruygt 1992-6-13 3034 Napa Bear Valley, on road, west of creek 633 Comment
  UCD75835  Nemacladus capillaris Jake Ruygt 2005-6-1 4895 Napa Blue Ridge, about 1 mile north of Mays Flat. 396 Comment
  SEINET3815174 Image available Nemacladus montanus Rimo Bacigalupi, L. T. Dempster, G. T. Robbins 1954-5-25 4508 Napa above Soda Creek along State Hwy 28, 8.2 miles E of Conn Lake (resevoir Comment
  UCD75834  Nemacladus montanus Jake Ruygt 2005-6-4 4902 Napa Hunting Creek, NE of Putah Creek. 243 Comment
  CDA40365  Nemophila heterophylla T. C. Fuller 1958-5-1 3715 Napa Highway 53, 8 miles north of Calistoga. 0 Comment
  JEPS1514  Nemophila heterophylla John Thomas Howell 1926-3-20 1694 Napa Old toll road to Mt. St. Helena Comment
  UC1021936  Nemophila heterophylla Rolf Y. Berg 1954-4-8 Napa 1 mi w Recreation Beach (Putah Creek Canyon); w of Recreation Beach, Putah Creek Canyon Comment
  JEPS85033  Nemophila menziesii Larry Heckard and Mary Ashton 1969-5-3 2205 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd.); ne of Napa, off Atlas Peak Rd., Mead Ranch 457 Comment
  UC606903  Nemophila menziesii L. Constance 1938-3-27 2033 Napa 5 mi e Napa (n slope in Howell Mountains, North Coast Ranges); North Coast Ranges, Howell Mountains, e of Napa 457 Comment
  HSC13592  Nemophila menziesii Greg Bos 1963-3-30 62 Napa 27 mi. S of Middletown on Butts Canyon Rd. 305 Comment
  UCD120085  Nemophila menziesii Everett H. Everson 1951-4-8 23 Napa 6.1 miles southwest of Monticello, on Napa Road. Comment
  UCD23404  Nemophila menziesii Eva Kurth 1977-4-24 199 Napa Proximal part of petals white, distal part sky blue, with longitudinal rows of small purple spots. In full sun in meadow. Berryessa Knoxville Rd. 2.3 miles SE of Knoxville Mine. 304 Comment
  UCD23405  Nemophila menziesii Leslee Newton 1977-4-16 6 Napa Erect plants 2-4 inches tall, leaves green, pinnately lobed and pubescent, stems also pubescent. Flower petals with blue margins and veins, the rest white. Foothill woodland, scattered patches of 3-4 individuals in open field. 6.4 miles SSW of Monticello Dam on Highway 128. 182 Comment
  UCD23409  Nemophila menziesii Jonathan M. Irvine 1977-4-16 113 Napa Hwy. 128, 6.4 miles SSW of Monticello Dam. Soil is rocky clay, Knoxville formation. Mixed woodland, west facing gentle dry slope. Comment
  POM320432  Nemophila menziesii var. menziesii Carole Mathews 1972-3-28 20 Napa North shore of Lake Berryessa, about 5 miles above Monticello Dam. South Coast Range, Lake Berryessa drainage area. 274 Comment
  UCD83391  Notholithocarpus densiflorus var. densiflorus Jake Ruygt 1998-6-15 4027 Napa Mt. St. Helena on fire trail about 0.5 mi past cabin trail. 731 Comment
  JEPS129065  Nymphaea odorata Jake Ruygt 1991-7-20 2778 Napa Doe Lake, Friesen's Lakes, Angwin. Saint Helena 7.5' Quad. 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
  UC672086  Odontostomum hartwegii Herbert L. Mason 1934-4-30 8102 Napa w. side near summit Wooden Valley Grade Comment
  JEPS44833  Oemleria cerasiformis Willis L. Jepson 1893-5-5 13829 Napa near Mt. St. Helena (Middleton grade) Comment
  CAS-BOT-BC502767  Orobanche bulbosa Peter H. Raven 1951-6-10 2924 Napa Crater Region S of Palisades 762 Comment
  UC963875  Orobanche bulbosa Milo S. Baker 1947-7-7 11856 Napa near end of wood road from Mount St. Helena Inn towards the Crater Mount St. Helena Inn 914 Comment
  JEPS110571  Orobanche fasciculata Jake Ruygt 1987-5-16 1993 Napa Devil's Canyon north of falls 579 Comment
  SEINET8853707 Image available Orobanche fasciculata Bill Wardell 1961-1 27 Napa State Highway 37, 20 miles southwest of Monticello Dam Comment
  JEPS110570  Orobanche uniflora Jake Ruygt 1982-4-25 1202 Napa Swartz Canyon near falls 381 Comment
  UCR23528  Orobanche uniflora John C. Roos 1939-5-6 293 Napa Napa Range, (near Angwin?) Comment
  JEPS110567  Orobanche valida subsp. howellii Jake Ruygt 1986-6-14 1823 Napa Craters, canyon at head of Table Rock 707 Comment
  POM161092  Orthocarpus faucibarbatus R. C. Bacigalupi 1926-3-27 1253 Napa Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
  RSA293054  Orthocarpus faucibarbatus Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 728 Napa 6 miles north of S. Helena on the State Hwy 128. Comment
  POM83502  Orthocarpus lithospermoides var. bicolor W. L. Jepson 1920-5-25 9042 Napa Knoxville Ridge, NE Napa Co. Comment
  RSA32034  Orthocarpus lithospermoides var. bicolor A. A. Heller 1941-5-16 16131 Napa About 3 miles west of Knoxville, on the road to Lower Lake. Comment
  JEPS122734  Oxalis micrantha Jake Ruygt 1993-4-13 3206 Napa Yountville Ecological Reserve, Yountville Cross Road. Quad: Yountville. Comment
  UCD149713  Oxalis micrantha Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  CAS-BOT-BC316825  Packera clevelandii Joseph Prince Tracy 2221 Napa Howell Mtn. Head od Moore's Creek, 3-4 miles east of Angwin's. 365 Comment
  OBI15512  Packera clevelandii Robert F. Hoover 1966-8-23 9937 Napa Butts Cyn, near Lake co. line 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
  UC1070187  Packera eurycephala var. eurycephala B. O. Schreiber 1938-4-24 2506 Napa 0.5 mi nw Knoxville; Reiff Quad. 609 Comment
  CAS-BOT-BC316939  Packera greenei Pierson Durbrow 1925-5-19 s.n. Napa Bucks Canyon, north of Aetna Springs Comment
  JEPS106859  Packera greenei Jake Ruygt 1996-6-1 3734 Napa HWY 128 about 3/4 mile north of Turtle Rock Cafe. 377 Comment
  JEPS23639  Packera greenei R. F. Hoover 1941-6-8 5319 Napa e side Mt. St. Helena Comment
  UCD36304  Packera greenei Beecher Crampton 1953-5-19 1303 Napa Chiles Valley, 11 miles east of Rutherford, on Highway 128. Comment
  SEINET11807295  Packera greenei F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -330 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS122964  Panicum capillare Jake Ruygt 1986-6-18 1825 Napa Imola Ave. southeast of Maxwell bridge, Napa. Quad: Napa. Comment
  UC1023570  Panicum capillare Virginia Bufford 1936-9-20 436 Napa near Mineral Spring (Lower Lake, Knoxville Road); Lower Lake, Mineral Spring Comment
  UCD89499  Panicum capillare Beecher Crampton 1963-9-19 6897 Napa n. end of Capell Valley, above Capell Creek, State Hwy. 128. Comment
  UCD89792  Panicum capillare subsp. hillmanii Beecher Crampton 1969-7-14 8496 Napa Napa, southern area, east of Napa River Bridge. Comment
  UC1746158  Parvisedum pumilum Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2759 Napa Howell Mtn. Road near Angwin Creek crossing. Comment
  JEPS50025  Parvisedum pumilum W. L. Jepson 1915-4-22 6234 Napa Hills e of St. Helena ([Howell] Road) Comment
  UC571854  Parvisedum pumilum H. L. Mason 1935-5-5 3494 Napa 3 mi s of Napa City Comment
  JEPS81589  Pedicularis densiflora R. Raiche 1982-3-7 20212 Napa adjacent of Detert Reservoir (on Butts Canyon Road, ne side of reservoir) Comment
  RSA10634  Pedicularis densiflora Carl B. Wolf 1928-5-4 1856 Napa Upper slopes of Mount St. Helena. Comment
  UCD36151  Pedicularis densiflora Beecher Crampton 1953-2-26 989 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  UCD67968  Pedicularis densiflora D. Levine 1974-4-6 47 Napa Headwaters of Wragg creek, 4 miles from junction 121 on highway 128. 304 Comment
  UCD169608  Pellaea mucronata var. mucronata 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
  SEINET13260501  Pellaea ornithopus Unknown 1934-1 8671 Napa Sarco Creek, 5 mi above Napa Comment
  UC1301208  Penstemon heterophyllus Helen K. Sharsmith 1962-6-3 5113 Napa near Angwin; San Francisco Bay Region, western slope Mount Howell 487 Comment
  POM182638  Penstemon heterophyllus subsp. heterophyllus D. D. Keck 1931-4-2 1028 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 200 Comment
  UC185341  Penstemon heterophyllus var. heterophyllus Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  UC397392  Penstemon heterophyllus var. purdyi Katharine Brandegee 1910-7-27 Napa Angwin's Comment
  JEPS7573  Penstemon heterophyllus var. purdyi W. L. Jepson 1936-5-31 17566 Napa Howell Mt. betw Toland House and Angwin; Howell Mt. btw Toland House and Angwin Comment
  SEINET12329993  Penstemon newberryi F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -305 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  CAS-BOT-BC245715  Penstemon newberryi var. sonomensis Belle R. Jackson 1930-6-20 s.n. Napa At the monument, summit of Mt. St. Helena Comment
Read comments
Jan 13 2018
  JEPS101496  Penstemon newberryi var. sonomensis Dean W. Taylor 1998-6-3 16465 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 594 Comment
  POM125419  Penstemon newberryi var. sonomensis Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena. Comment
  UC726424  Penstemon newberryi var. sonomensis A. A. Heller 1941-5-3 16086 Napa Mt. St. Helena, about half way up along the road leading to the sumit Comment
  UCD18114  Perideridia kelloggii K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 50 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
  UCD63190  Perideridia oregana Jake Ruygt 2002-6-21 4437 Napa Missimer Wildflower Preserve, 1/4 mile up creek, south side of Snell Valley. 228 Comment
  UCD149578  Persicaria hydropiperoides 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
  UCSB61651  Persicaria lapathifolia Ertter, Barbara; Neese, Elizabeth 1988-10-2 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges, T7N R5W 91 Comment
  CAS-BOT-BC419150  Persicaria maculosa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  JEPS120383  Petasites frigidus var. palmatus Jake Ruygt 1988-3-12 2122 Napa Bothe State Park Comment
  RSA637565  Petrorhagia dubia Carol Chapman 1978-4-23 20 Napa Hwy 128, 4 miles E of intersection of Hwy 128 and Chiles Pope Valley Road. 488 Comment
  UCD98375  Petrorhagia dubia Carol Chapman 1978-4-23 20 Napa Hwy 128, 4 miles east of intersection of Hwy 128 and Chiles Pope Valley Road. 487 Comment
  SEINET7883385 Image available Petunia parviflora Laura Zeller 1965-1 27 Napa ca. 2.5 miles NE of Pope Valley Road and Pope Canyon Road junction on Pope Valley Road 213 Comment
  UC1277977  Phacelia distans B. Crampton 1957-4-15 3934 Napa Capell Valley Comment
  JEPS110866  Phacelia divaricata Jake Ruygt 1979-4-14 514 Napa Oat Hill Mine Rd. near Twin Peaks 694 Comment
  RSA195343  Phacelia divaricata Gilbert Muth 1967-5-17 687 Napa Summit of Oat Hill Road. 671 Comment
  UC663016  Phacelia divaricata Basil Bowers 1941-6-18 380 Napa just n summit of old mines road (e of Calistoga); Palisades 762 Comment
  UC735110  Phacelia imbricata Lincoln Constance, J. F. Davidson, R. H. Shan, and W. H. Wagner 1946-5-18 3047 Napa near Mount St. Helena Inn (se slope of mt.); Mount St. Helena Comment
  JEPS2167  Phacelia imbricata subsp. imbricata W. L. Jepson 1897-5-2 21049 Napa e St. Helena Comment
  RSA10681  Phacelia imbricata subsp. imbricata Carl B. Wolf 1928-5-3 1806 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD120299  Phacelia imbricata var. imbricata H. H. Dickson 1950-4-1 22 Napa Putah Canyon about 5 miles west of Winters. Comment
  UC1001191  Phacelia nemoralis subsp. nemoralis Peter H. Raven 1952-5-31 4154 Napa Rector Dam 152 Comment
  UC1299141  Phacelia suaveolens Freed W. Hoffman 1947-8-4 1422 Napa Mt. St. Helena 609 Comment
  POM126107  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa Napa Valley near Calistoga 91 Comment
  POM161068  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa Napa Valley near Calistoga 91 Comment
  UC187259  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  CAS-BOT-BC265854  Phalaris californica John Thomas Howell 1940-5-19 15444 Napa Near Calistoga Comment
  CAS-BOT-BC250694  Phalaris paradoxa Peter H. Raven 1951-6-26 3100 Napa 4 mi. n. Vallejo, nr. Solano Co. line 30 Comment
  JEPS110943  Phlox gracilis Jake Ruygt 1979-3-11 447 Napa Trefethen hillside property NE of Carell Lane 152 Comment
  UC917126  Phlox gracilis D. C. Finfrock 1950-4-2 13 Napa 2 mi from St. Helena (on Pope Valley road) Comment
  JEPS71084  Phlox gracilis W. L. Jepson 1893-4-24 15056 Napa e of St. Helena; Napa River Basin Comment
  CAS-BOT-BC134981  Phoradendron bolleanum John F. Emmel 1971-4-17 342 Napa Butts Creek, 0.4 miles NW of junction Butts Canyon and Snell Valley roads 198 Comment
  UCD162120  Phoradendron californicum Dylan O. Burge 2014-3-15 1498 Napa Mount Saint Helena. 740 Comment
  JEPS110812  Phoradendron densum Jake Ruygt 1984-6-30 1580 Napa Cedar Roughs near top 633 Comment
  JEPS40268  Phoradendron densum Lauramay T. Dempster 1965-5-16 4095 Napa rd. below Cedar Valley toward KNoxville 426 Comment
  UCD118117  Phoradendron leucarpum subsp. tomentosum Megan Mateo; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. Ca. 0.1 mile from fire station along undeveloped road, on north side of road. 518 Comment
  UC1198129  Phoradendron villosum Louise Martin 1907-12-20 Napa at head of Moore's Creek Howell Mt. (3 - 4 mi. e. of Angwin's); Northern Coast Ranges, Howell Mt. 365 Comment
  UCD149584  Phyla nodiflora 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
  CAS-BOT-BC140549  Physocarpus capitatus Peter H. Raven 1950-6-20 2346 Napa In the Napa Range between Conn Valley and Howell Mtn. Comment
  SBBG50615  Physocarpus capitatus R. A. Christison 1960-4-24 51 Napa 2 mi below jct of Silverado Rd with Glass Mtn Rd 15 Comment
  UCD167239  Phytolacca americana Jake Ruygt 1992-8-6 3118 Napa Yountville Ecological Reserve, Yountville Cross Road. 25 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
  UCD38721  Pickeringia montana Beecher Crampton 1957-6-4 4100 Napa North end of Capell Valley. Comment
  JEPS120338  Pilularia americana Jake Ruygt 1998-5-23 3995 Napa Napa Airport Industrial Park, NW corner. Cuttings Wharf 7.5' Quad. Comment
  JEPS120326  Pinus coulteri Jake Ruygt 1999-12-30 4219 Napa End of Lommel Road, Calistoga. Calistoga 7.5' Quad. Comment
Read comments
Jul 25 2018
  SEINET3221131 Image available Pinus ponderosa Royal D. Suttkus 1967-6-26 67- 30 -42 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. 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
  JEPS103996  Pinus sabiniana Jake Ruygt 1997-11-1 3876 Napa Stags Leap 432 Comment
  JEPS46893  Pinus sabiniana W. L. Jepson 1895-11-1 Napa Howell Mountain Comment
  RSA785707  Pinus sabiniana Carrie A. Herd 1982-5-9 99 Napa Sage Canyon Road, Con Dam area Comment
  UCD47759  Pinus sabiniana R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 10 Napa Napa County, California. Mclaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  JEPS120439  Piperia elegans Jake Ruygt 2005-6-12 4922 Napa Monticello Rd., 1.1 miles east of Atlas Peak Rd. Comment
  JEPS129089  Plagiobothrys bracteatus Jake Ruygt 2016-4-19 6195 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  UC55922  Plagiobothrys bracteatus J. P. Tracy May 15 1903-May 18 1903 1843 Napa near Calistoga (Napa Valley); Napa Valley 91 Comment
  JEPS129132  Plagiobothrys cognatus Jake Ruygt 2011-5-7 5777 Napa Mill Valley near Angwin; central portion. Saint Helena 7.5' Quad. Comment
  SBBG117336  Plagiobothrys fulvus B. Crampton 1955-4-7 2436 Napa 7.8 mi N of Monticello Comment
  UCD161234  Plagiobothrys greenei Jake Ruygt 2003-4-22 4508 Napa Near south end of Knoxville Wildlife Area, base of trail to cliffs. (Coordinates estimated by label maker at UC Davis). 292 Comment
  UC650503  Plagiobothrys nothofulvus Ira L. Wiggins 1928-3-24 2865 Napa above Calistoga (grade onold road to Lake Co.) Comment
  UCD161235  Plagiobothrys nothofulvus Jake Ruygt 2005-4-4 4746 Napa Napa County : Jericho Canyon. (Coordinates estimated by label maker at UC Davis). 640 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
  UC1301091  Plagiobothrys stipitatus Helen K. Sharsmith 1963-4-20 5336 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD47947  Plagiobothrys stipitatus var. micranthus Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 1 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  JEPS24976  Plagiobothrys strictus J. P. Tracy May 15 1903-May 18 1903 1857 Napa Region about San Francisco Bay, Napa Valley, Calistoga Hot Springs Region about San Francisco Bay, Napa Valley, Calistoga Hot S 91 Comment
  UC191655  Plagiobothrys strictus Edw. L. Greene 1892-4-20 Napa Calistoga Comment
  UC573077  Plagiobothrys strictus H. L. Mason 1926-3-20 2754 Napa meadow near geysers; Calistoga Comment
  RSA0008559  Plagiobothrys strictus P. H. Raven 1950-5-6 2024 Napa Sulpher flats and hot spring near Old Faithful Geyser N. of Calistoga. 183 Comment
  JEPS106903  Plagiobothrys tenellus Jake Ruygt 1991-5-4 2640 Napa betweed Fawn Lake and Granite Lake Friesen's Lakes 603 Comment
  UCD161344  Plagiobothrys tener Jake Ruygt 1986-4-14 1703 Napa 4.5 miles north of Westgate Drive on Atlas Peak Road. (Coordinates estimated by label maker at UC Davis). 446 Comment
  UCD164837  Plagiobothrys tener var. subglaber Jake Ruygt 2012-4-21 5841 Napa Spanish Valley, southeast. 225 Comment
  UC1746028  Plagiobothrys tener var. tener Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2768 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS110789  Plantago coronopus Jake Ruygt 1993-5-11 3260 Napa Milton Road north of the railroad tracks 0 Comment
  JEPS37918  Plantago elongata John Thomas Howell 1934-3-25 11780 Napa Cuttings Wharf Napa River 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
  UCD18154  Plantago erecta Jean Shepard; with Plant Biology 102 class 2000-4-29 192 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  UCD38572  Plantago erecta Beecher Crampton 1956-5-25 3466 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD48071  Plantago erecta L. Lina; E. Anderson, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 2 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCD49190  Plantago erecta S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 10 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  JEPS120328  Platystemon californicus Jake Ruygt 2005-3-20 4708 Napa Alston Park, Dry Creek Road, Napa. Napa 7.5' Quad. Comment
  UCD167242  Platystemon californicus Jake Ruygt 2005-4-17 4771 Napa Cub Valley', south of Bear Valley. 664 Comment
  UC635474  Platystemon californicus H. L. Mason 1926-3-22 2793 Napa between Calistoga and Petrified Forest; between Calistoga and Petrified Forest Comment
  JEPS4815  Plectritis brachystemon Miss R. Kuhn 1912-5-19 Napa Oakville Comment
  JEPS6141  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4448 Napa s of Monticello Valley Comment
  UC1018911  Plectritis brachystemon S. C. Dyal, E. Crum, A. Carter 1938-4-24 717 Napa near Monticello Comment
  JEPS5144  Plectritis ciliosa subsp. ciliosa Miss R. Kuhn 1912-4-17 Napa Oakville Comment
  UC1018938  Plectritis ciliosa subsp. ciliosa S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 682 Napa Howell Mountains, Wooden Valley Grade Wooden Valley Grade; Howell Mountains, Wooden Valley Grade Comment
  UC999811  Plectritis ciliosa subsp. ciliosa S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 710 Napa Howell Mountains, Wooden Valley Grade Wooden Valley Grade; Howell Mountains, Wooden Valley Grade Comment
  UC1239595  Plectritis ciliosa subsp. insignis Joseph P. Tracy 1933-4-30 12093 Napa 5 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Howell Mountain, Moore's Creek 365 Comment
  JEPS14266  Plectritis macrocera Bacigalupi and Dempster May, 1955 4446 B Napa between Chiles Valley and Monticello Valley Comment
  JEPS14267  Plectritis macrocera Bacigalupi and Dempster May, 1955 4446 A Napa between Chiles Valley and Monticello Valley Comment
  JEPS4814  Plectritis macrocera Miss R. Kuhn 1912-5-6 Napa Oakville Comment
  JEPS75069  Pleuropogon californicus W. L. Jepson 1921-5-6 9182 Napa Calistoga 109 Comment
  UC71014  Pleuropogon californicus Willis L. Jepson May 1892 Napa Napa Valley , Napa River Basin (Napa River Basin) Comment
  UCD37555  Pleuropogon californicus Beecher Crampton 1955-4-4 2392 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD90200  Pleuropogon californicus M. Wiesendanger 1928-4-5 870 Napa Near Calistoga. Comment
  UCR30544  Pleuropogon californicus John C. Roos 1939-4-1 310 Napa Calistoga 111 Comment
  UC767873  Pleuropogon californicus var. californicus R. F. Hoover 1941-4-26 4923 Napa Pope Valley Comment
  UCD90143  Pleuropogon californicus var. californicus Beecher Crampton 1962-5-8 6417 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD90190  Pleuropogon californicus var. californicus R. Tofsrud 1947-5-3 s.n. Napa ca. 5 miles east of Pope Valley. P.O., along Pope Creek. Comment
  UC73784  Poa annua J. Burtt Davy April 1902 Napa St. Helena Comment
  CDA10844  Poa kelloggii G. F. Hrusa, G. L. Stebbins 1994-4-18 11781 A Napa North Coast Biodiversity Arena; Pope Valley. Along upper Swartz Creek N tributary (James Cr.). 213 Comment
  CDA10845  Poa kelloggii G. F. Hrusa, G. L. Stebbins 1994-4-18 11782 A Napa North Coast Biodiversity Arena; Pope Valley. Along upper Swartz Creek N tributary (James Cr.). 213 Comment
  UCD91551  Poa napensis Beecher Crampton 1962-5-8 6418 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  SACT002005  Poa scabrella John Willoughby 1977-4-27 Napa Along State Highway 128 very near Monticello Dam, north-facing, rocky slope on south side of highway. Comment
  UCD121143  Poa secunda Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7344 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. Near small drainage that is just west of granitic grassland on north side of road. 519 Comment
  UC525664  Poa secunda subsp. secunda Joseph P. Tracy 1933-4-30 12118 Napa near Angwin Creek Howell Mt 457 Comment
  JEPS62446  Pogogyne douglasii W. L. Jepson 1897-7-12 14907 Napa Pope Valley Comment
  UC1988909  Pogogyne douglasii John Thomas Howell 1929-5-30 4278 Napa 3 miles from Pope Valley on road to Pope Creek Canyon Comment
  RSA114030  Pogogyne douglasii Peter H. Raven 1957-5-5 10749 Napa Near geysers, Calistoga. Comment
  UCD125418  Pogogyne douglasii G. H. Vansell 1934-5-16 s.n. Napa Napa Valley. Comment
  UCD167141  Pogogyne serpylloides Jake Ruygt 2015-5-2 6086 i Napa West of Buck Mountain near Nevada. 598 Comment
  RSA0036083  Polycarpon tetraphyllum John Thomas Howell 1943-6-20 18242 Napa Hills west of Napa Valley between St. Helena and Mt. St. John. 228 Comment
  RSA195299  Polygala californica Gilbert Muth 1967-5-17 678 Napa Oat Hill Road, Calistoga 244 Comment
  UC109721  Polygala californica K. Brandegee Aug 1888 Napa Howell Mountain Comment
  UC1537006  Polygala californica Gordon H. True Jr. 1937-6-21 742 Napa near Lokoya Lodge 365 Comment
  UCD160732  Polygala californica Ellen Dean 2015-5-23 8784 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  RSA755361  Polygonum arenastrum L. Ahart 2009-10-12 16457 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-BC109162  Polygonum bolanderi Wilhelm Nikolaus Suksdorf 1913-7-30 748 Napa Northwest of Napa. Comment
  CAS-BOT-BC109163  Polygonum bolanderi Roxana S. Ferris 1935-10-1 9307 Napa The Palasades near highway over shoulder of 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
  UCR30824  Polygonum bolanderi John C. Roos 1938-11-12 320 Napa North Coast Range, Pacific Union College, Angwin, near the falls Comment
  JEPS50595  Polygonum californicum W. L. Jepson 1930-10-19 15687 Napa Pope Valley Comment
  UC614935  Polygonum lapathifolium Beryl O. Schreiber 1936-8-16 2324 Napa 0.8 mi s Yountville 152 Comment
  UC55944  Polygonum parryi J. P. Tracy 1902-5-19 1550 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 518 Comment
  UC6634  Polygonum punctatum unknown 1892-10-22 Napa St. Helena Napa River (river bed) Comment
  SBBG128694  Polypogon interruptus L. Ahart 2009-10-12 16466 Napa below high water line of Lake Berryessa, along Capell Crk E of Rest Area, 3/4 mi NE of Hwy 128 on Berryessa Knoxville Rd, 3/4 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi (air) W of Winters 133 Comment
  JEPS115748  Polypogon monspeliensis Lowell Ahart 2009-10-12 16465 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Win 133 Comment
  UC150411  Polystichum C. C. Parry June 1881 369 Napa Calistoga Comment
  CAS-BOT-BC72149  Polystichum californicum Rimo Bacigalupi 1924-2-22 s.n. Napa Toll house Rd. below Mt. St. Helena Comment
  UC1242055  Polystichum californicum Don Branscomb 1959-2-2 Napa between Calistoga and Napa (Mill Creek Canyon); Mill Creek Canyon Comment
  JEPS116567  Polystichum dudleyi Jake Ruygt 1999-7-10 4204 b Napa Spring Street near White Sulphur Springs. Rutherford 7.5' Quad. Comment
  JEPS110554  Potentilla anserina subsp. pacifica Jake Ruygt 1979-4-20 531 Napa Edgerley Island 0 Comment
  UC1198769  Prunus emarginata J. P. Tracy 1902-5-18 1530 Napa 3-4 mi e of Angwin's (head of Moore's Creek, Howell Mountain); Howell Mountain, Moore's Creek 518 Comment
  UCR23507  Prunus subcordata John C. Roos 1939-3-31 307 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  UC573181  Prunus virginiana var. demissa B. Schreiber 1936-5-3 2205 Napa .3 mi w of Petrified Forest 274 Comment
Read comments
Jun 12 2012
  UCD113525  Prunus virginiana var. demissa K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  JEPS106961  Pseudognaphalium stramineum Jake Ruygt 1991-8-4 2811 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 131 Comment
  UCD91500  Pseudoroegneria spicata B. Crampton 1961-6-13 s.n. Napa North end of Capell Valley, above Capell Creek along State Hwy. 128. Comment
  CAS-BOT-BC80150  Pseudotsuga menziesii John H. Thomas 1966-3-22 11534 Napa About 5 miles north of Calistoga as measured along highway 29 on the southeast slope of Mt. St. Helena 609 Comment
  RSA195368  Pseudotsuga menziesii Gilbert Muth 1967-2-12 528 Napa Below Martin Springs. 439 Comment
  UCD160704  Psilocarphus brevissimus Ellen Dean; Jake Ruygt 2015-5-23 8763 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  JEPS106925  Psilocarphus oregonus Jake Ruygt 1982-5-12 1238 b Napa Suscol Plain 4 Comment
  POM41978  Psilocarphus tenellus var. tenellus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  POM182705  Pterostegia drymarioides D. D. Keck 1931-4-2 1024 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCD92252  Puccinellia simplex R. Tofsrud 1949-4-1 s.n. Napa Calistoga, Myrtledale Hot Springs. Comment
  CAS-BOT-BC362358  Pyrrocoma racemosa var. racemosa Alice Eastwood 1918-9-3 7961 Napa Calistoga Comment
  JEPS20198  Pyrrocoma racemosa var. racemosa R. F. Hoover 1941-8-24 5579 Napa near Calistoga; Myrtledale Hot Springs Comment
  JEPS116571  Quercus X chasei Jake Ruygt 1982-3-22 1141 Napa Sugarloaf Mountain near Skyline Park. 7.5' Mount George Quad. Comment
  SFV890  Quercus X ganderi D. Q. Cavagnaro 1965-6-26 s. n. Napa La Jolla quicksilver mine, north slope of Mount St. John, 7 miles northwest of Oakville. Comment
  JEPS77934  Quercus X morehus Edward Lee 1935-12-1 1679 Napa ca 1 mi se Wooden Valley (on Wooden Valley-Monticello Road (3.5 mi s of junction), valley of the w fork of Suisun Creek) Comment
  CAS-BOT-BC61808  Quercus agrifolia John Thomas Howell 1930-10-19 5617 Napa Canyon bottom, 3 miles from Aetna Springs on Butts canyon road to Middletown Comment
  CLARK-A1528-2916  Quercus agrifolia John C. Roos 1939-4-16 283 Napa Angwin Comment
  JEPS37368  Quercus agrifolia W. L. Jepson 1907-12-1 2971 Napa Sanitarium Hill road Napa Valley Comment
  JEPS46630  Quercus agrifolia W. L. Jepson Nov 1901 Napa grade to Sanitarium St. Helena Comment
  CDA12252  Quercus agrifolia var. agrifolia G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 s.n. Napa North Coast Biodiversity Arena; Tree at upper end of Lake Hennessey along Hwy. 128. Comment
  UCD45147  Quercus alba Bill Davis 1966-9-26 s.n. Napa Veterans' Home Memorial Grove, Napa Co., Cal. (origin: Fredricksburg) Comment
  JEPS116525  Quercus berberidifolia Jake Ruygt 2002-10-23 4467 b Napa Mount Vaca, south side of peak. Mount Vaca 7.5' Quad. Comment
  UCD14677  Quercus berberidifolia John M. Tucker; and G. L. Stebbins 1950-11-5 2004 Napa California, Napa Co.; 11.5 mi. northwest of Monticello, beside road to Pope Valley; Comment
  UCD14831  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -4 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD160571  Quercus berberidifolia G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  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
  UCD92280  Quercus berberidifolia D. Q. Cavagnaro 1963-10-18 224 Napa 0.4 miles west of Monticello Dam. 30 Comment
  UCSB63055  Quercus berberidifolia Rodriguez, Luis; Sarr, Dan 1995-9-5 Napa Chiles Valley 280 Comment
  CAS-BOT-BC62459  Quercus chrysolepis Peter H. Raven 1953-5-2 5405 Napa Rector Creek 396 Comment
  UCD120918  Quercus chrysolepis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7339 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
  UCD45344  Quercus chrysolepis D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. Capell Creek. 350 Comment
Read comments
Nov 3 2006
  CDA21879  Quercus douglasii H. Stabo 1968-10-21 Napa 0 Comment
  JEPS37392  Quercus douglasii Willis L. Jepson 1901-8-6 1722 Napa Howell Mt. grade Napa River Basin Comment
  JEPS37393  Quercus douglasii Willis L. Jepson 1901-8-6 1729 Napa Howell Mt. grade Napa River Basin Comment
  UC993146  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  UCD121176  Quercus douglasii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7356 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 416 Comment
  UCD14552  Quercus douglasii John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -15 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; Comment
  UCD162119  Quercus douglasii Dylan O. Burge 2014-3-15 1497 Napa Mount Saint Helena. 670 Comment
  SEINET12029179  Quercus dumosa Unknown 1941-1 127 Napa west bank of Putah Creek immediately above junction with Butts Creek Comment
  CAS-BOT-BC79835  Quercus durata John H. Thomas 1955-5-21 5164 Napa Near State Highway No. 128 and capell Creek, about 12 mi E of St. Helena 274 Comment
  CAS-BOT-BC79846  Quercus durata H. E. McMinn 1922-6-8 199 Napa hill side along Pope Creek Comment
  JEPS37339  Quercus durata Willis L. Jepson 1892-7 Napa near Knoxville; Mountain Region of Clear Lake Comment
  UCD14807  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -5 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
  UCD45979  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
  SBBG25324  Quercus durata var. durata B. Rice 1965-5-15 68 Napa Devilshead Rd, 5 mi N of Cedar Valley 487 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
  UCD45943  Quercus durata var. durata Thomas Morley 1941-5-11 129 B Napa On north bank of Butts Creek 1/4 mile west of its junction with Putah Creek, Napa County. Elevation 480 feet. 146 Comment
  UCD48032  Quercus durata var. durata Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 20 Napa Napa Co, McLaughlin Reserve, apporx. 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd. 1st ridge south of Devilhead Rd. 518 Comment
  UCD54026  Quercus durata var. durata R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 5 Napa McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  SFV17797  Quercus garryana J. M. Tucker 1950-11-5 2005 5 Napa Yard on outskirts of Angwin on Howell Mountain. Comment
  UCD46183  Quercus garryana Verne Grant; Alva Grant 1947-4-19 7941 Napa At the head of Weldon (Mix) canyon, near crest of ridge on eastern slope. Can be approached by dirt road from Pleasant Valley, Vaca Mountains; Napa-Vaca county line. Comment
  UCD14548  Quercus garryana var. garryana John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -10 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; Comment
  UCD46058  Quercus garryana var. garryana J. M. Tucker 1952-4-22 2359 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. Comment
  CAS-BOT-BC105294  Quercus kelloggii Peter H. Raven 1951-8-20 3861 Napa near Lokoya 548 Comment
  CAS-BOT-BC105303  Quercus kelloggii Ella Dales Cantelow 1939-4-8 2502 Napa Howell Mountain Comment
  CDA29134  Quercus kelloggii D. G. Kelch, Daniel Weinstein 2009-6-21 9 .445 Napa Near Skyline Park. Comment
  JEPS37757  Quercus kelloggii W. L. Jepson 1911-11-12 4764 Napa near Mt. Atlas; Napa Range Comment
  UCD149039  Quercus kelloggii Ellen Dean; S. P. Rae and T. Starbuck 2014-5-11 8185 Napa Arbuckle Winery property at 3454 Redwood Rd on the outskirts of Napa in the Mayacamas Mountains. 137 Comment
  UCD46615  Quercus kelloggii K. Esau 1937-4-22 s.n. Napa Monticello-Napa Highway. Comment
  UCD46655  Quercus kelloggii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCD46741  Quercus kelloggii John M. Tucker 1995-10-14 s.n. Napa California, Napa Co.; Homestead Area of the Mc Cormick Ranch, approximately 1.1 mi. north of Bald Mountain in Sugar Loaf State Park, and roughly 7 mi. west of St. Helena. 548 Comment
  UCSB19168  Quercus kelloggii Rankine, Jane 1965-4-13 Napa 3 miles west of Pope Valley on the road between Pope Valley and Anqwin Comment
  SEINET5644360  Quercus kelloggii J. M. Tucker 1966-4-17 3937 Napa Mt. St. Helena, 0.4 miles over the north side from the summit of the road (State Highway 29).; 0 Comment
  RSA28534  Quercus lobata E. K. Balls, P. C. Everett 1953-10-15 18677 Napa 5.5 miles south of junction of highways 37 and 28, between Monticello and Napa. 305 Comment
  CAS-BOT-BC104984  Quercus wislizeni Wm. C. Overton 1980-7-13 s.n. Napa Along S bank of Eticuera Creek, ca 1.5 road miles N of Lake Berryessa 176 Comment
  JEPS37797  Quercus wislizeni W. L. Jepson 1938-9-28 19045 Napa La Jota Mesa Howell Mt. Comment
  UCD149631  Quercus wislizeni G. Ledyard Stebbins 1994-4-15 s.n. Napa Berryessa Dam area at Route 128. Comment
  UCD47533  Quercus wislizeni Thomas Morley 1941-5-11 124 Napa At Lombardi's Ranch, west side of Putah Creek just above junction with Butts Creek, Napa County. Comment
  CDA11911  Quercus wislizeni var. frutescens G. F. Hrusa, G. L. Stebbins 1994-3-11 11609 Napa North Coast Biodiversity Arena; Ink Grade approx. 2 miles N of Angwin on Howell Mtn. Comment
  JEPS106866  Rafinesquia californica Jake Ruygt 1996-4-27 3633 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 304 Comment
  JEPS106868  Rafinesquia californica Jake Ruygt 1978-5-21 326 Napa 2.2 miles north of Sage Canyon Rd. on Chiles-Pope V.Rd. 134 Comment
  JEPS110892  Ranunculus aquatilis var. hispidulus Jake Ruygt 1982-5-16 1267 Napa .2 mile south of Foss Valley on Atlas Peak Rd. 417 Comment
  HSC59003  Ranunculus arvensis Dan Wyrick 1975-4-22 217 Napa Near Pacific Union College 549 Comment
  UC9499  Ranunculus californicus Willis L. Jepson 1896-2-22 Napa Stone Bridge Hill Napa River Basin 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
  JEPS110876  Ranunculus hebecarpus Jake Ruygt 1992-4-7 2894 Napa Tuteur Ranch, SW corner, Kreuze Canyon 384 Comment
  JEPS52983  Ranunculus lobbii W. L. Jepson 1930-10-19 15706 Napa Conn Creek Comment
  UCD96168  Ranunculus lobbii R. H. Miller 1949-4-6 19 Napa north side of Highway 37, 1/2 mile west of Napa. Comment
  UC1607872  Ranunculus occidentalis C. G. Nast 1936-3-27 54 Napa Berryessa Valley Comment
  UC162878  Ranunculus occidentalis Joseph P. Tracy 1902-5-22 1631 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  JEPS110878  Ranunculus orthorhynchus Jake Ruygt 1992-3-25 2861 Napa south end of Wooden Valley, Wild Horse Valley Ranch 179 Comment
  POM149990  Ranunculus orthorhynchus var. bloomeri C. F. Baker 1903-4-19 1995 Napa Calistoga. Comment
  JEPS55192  Ranunculus pusillus W. L. Jepson 1921-5-6 9180 Napa Calistoga 109 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
  HSC103814  Reseda luteola David J. Keil, V. L. Holland, Lynne Dee Oyler, G. Fred Hrusa, G. L. Stebbins 1994-6-6 24509 Napa Near east end of Lake Hennessy along Highway 128. 150 Comment
  SD175803  Rhagadiolus stellatus D. G. Kelch 2002-4-10 02 1 Napa Redwood Road, west of Napa city limits. 60 Comment
  UCD63166  Rhagadiolus stellatus Jake Ruygt 1979-4-24 553 Napa 2.2 miles NW of Browns Valley Rd. on Redwood Rd. 109 Comment
  JEPS41999  Rhamnus crocea Willis L. Jepson 1893-4-28 13970 Napa n of Mt. George (gorge n of Wooden Valley grade); Napa Range, Napa River Basin Comment
  JEPS42004  Rhamnus crocea W. L. Jepson 1916-12-5 6588 Napa Howell Mt. Comment
  JEPS753  Rhamnus tomentella subsp. tomentella W. L. Jepson 1897-7-12 13980 Napa near Samuel's Springs Comment
  JEPS760  Rhamnus tomentella subsp. tomentella W. L. Jepson 1916-8-7 6839 Napa Moore's Creek Howell Mt. Comment
  CAS-BOT-BC56650  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 8 Napa 0.5 miles N. of Napa/Lake Cos. Line, Butts Creek SW of Butts Canyon Rd. Comment
  JEPS106403  Rhododendron occidentale Jake Ruygt 1987-5-16 1992 Napa Bismark Knob 579 Comment
  JEPS106404  Rhododendron occidentale Jake Ruygt 1990-6-23 2597 Napa White Creek, Wild Horse Valley Ranch 390 Comment
  UC527847  Rhododendron occidentale R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6675 Napa 10 mi n of Howell Mountain; Butts Canyon Comment
  UCD117983  Rhododendron occidentale W. R. Russell 1953-5-5 s.n. Napa Chiles Valley. Comment
  CDA38892  Rhododendron occidentale A. T. Leiser 1984-9-23 s.n. Napa Butts Canyon Rd./ Shell Valley Rd. along Butts Creek, Napa 19.25 marker. Off Pope Valley Rd., Northeast side of road, south bank, 50' southeast of ranch driveway at water's edge, plant submerged to 1.5' at flood levels. 0 Comment
  RSA52661  Rhododendron occidentale var. californicum I. L. Wiggins 1949-4-30 12093 Napa On northeastern slope of Mount St. Helena, near lake county line Comment
  CAS-BOT-BC200648  Rhus aromatica Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CHSC21426  Rhus aromatica Robert A. Schlising; Botany 222 1962-5-4 2227 Napa 1.5 mi S Lake Co line on Butts Canyon Rd. Comment
  UC1543120  Rhus trilobata Charlotte G. Nast 1936-3-27 39 Napa Putah Canyon Comment
  UCD164845  Ribes californicum Jake Ruygt 2012-4-16 5817 -x Napa Near north end of Spanish Valley; along road leading east. 256 Comment
  CAS-BOT-BC92977  Ribes californicum var. californicum H. E. McMinn 1922-6-8 209 Napa Along Pope Creek. Comment
  JEPS126022  Ribes californicum var. californicum Jake Ruygt 1977-3-6 140 Napa East of Basalt Rock quarry. Mount George 7.5' Quad. Comment
  CAS-BOT-BC168938  Ribes malvaceum Peter H. Raven 1953-2-21 5195 Napa Steel Canyon 213 Comment
  CAS-BOT-BC168940  Ribes malvaceum John Thomas Howell 1931-4-2 6069 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  JEPS126069  Ribes malvaceum Jake Ruygt 2007-5-19 5184 Napa Devilhead Road, top of grade, north end. Knoxville 7.5' Quad. Comment
  UC1753838 Image available Ribes malvaceum var. malvaceum Annetta M. Carter, Edward Lee 1935-12-1 1017 Napa Wooden Valley Grade E of Napa on road to Monticello. 43.1 mi. from Berkeley. Comment
  JEPS9658  Ribes menziesii Willis L. Jepson Napa mountain summit w St. Helena (trail to <?>houx's Knob) Comment
  CAS-BOT-BC198891  Ribes roezlii var. cruentum C. B. Wolf 1928-2-25 1499 Napa Mt. St. Helena Inn at summit of Mt. St. Helena Grade Comment
  UCD167010  Ribes victoris Jake Ruygt 1980-5-4 874 Napa Van Ness Canyon. 609 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
  UCD32572  Rigiopappus leptocladus Beecher Crampton 1954-5-20 1926 Napa 8 miles southwest of Monticello, along highway 128. Comment
  SEINET5708897 Image available Rigiopappus leptocladus Glen Holstein 1977-1 s.n. Napa Along State Hwy 128, 0.2 miles south of intersection with Berryessa-Knoxville Road, Capell Valley.; Capell Valley Comment
  UC165855  Rigiopappus leptocladus J. P. Tracy 1899-6-13 421 Napa Chamiso ridge Howell Mountain 457 Comment
  JEPS106793  Rorippa curvisiliqua Jake Ruygt 1996-6-2 3739 Napa Buchli Station area of Duhig Road; near Huichica Creek 5 Comment
  JEPS106849  Rorippa nasturtium-aquaticum Jake Ruygt 1978-5-13 299 Napa Suscol hill east of HWY 29 (221) 9 Comment
  CAS-BOT-BC147533  Rosa californica John Thomas Howell 1933-8-27 11649 Napa Chiles Valley, Napa Range Comment
  JEPS110648  Rosa californica Jake Ruygt 2007-5-14 593 Napa NE corner of Trefethen Vineyards, Dry Creek 22 Comment
  SBBG3086  Rosa californica J. M. Tucker 1941-9-20 403 Napa mtns between Monticello and Pope Valley Comment
  CAS-BOT-BC148156  Rosa gymnocarpa Peter H. Raven 1964-5-9 19055 Napa Edge of redwood grove along dirt road 2 miles west of Aetna Springs Comment
  JEPS45681  Rosa gymnocarpa W. L. Jepson 1896-2-23 13892 Napa on grade beyond Angwins (e side of mt.); Howell Mt., Pope Valley Grade Comment
  CAS-BOT-BC421716  Rumex conglomeratus Peter H. Raven 1951-6-24 3009 Napa Napa 30 Comment
  HSC100740  Rumex dentatus Lowell Ahart 2009-10-27 16492 Napa Below the high water line of Lake Berryessa, ~50 yd. SE of Eticuera Creek, ~150 yd. S of Eticuera Parking Area, at the NE end of causeway, on the S side of Berryessa Knoxville Rd., 20 (air) mi. NW of Winters. 130 Comment
  JEPS65647  Rupertia physodes W. L. Jepson 1913-4-15 5306 Napa Howell Mt. 609 Comment
  UC1197460  Rupertia physodes Joseph P. Tracy 1899-6-17 393 Napa on hills at head Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain 365 Comment
  POM216230  Rupertia physodes D. D. Keck 1933-5-29 2356 Napa Pope Creek bridge south of Walters Springs. Comment
  UC1093859  Salicornia virginica Herbert L. Mason 1923-10-6 773 Napa Suisun Marsh Comment
  CAS-BOT-BC103225  Salix bonplandiana Peter H. Raven 1951-6-24 3021 Napa [Brown's] Browns Valley to Napa-Sonoma Road 91 Comment
  CAS-BOT-BC108662  Salix breweri Peter H. Raven 1951-5-26 s.n. Napa Butts Canyon [Canon] Creek Comment
  CAS-BOT-BC108663  Salix breweri John Thomas Howell 1933-8-27 11641 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC108667  Salix breweri John Thomas Howell 1930-10-19 5629 Napa Stream bottom, 5 miles from Aetna Springs on Butts Canyon Road to Middletown. Comment
  HSC20138  Salix breweri Greg Bos 1963-3-30 61 Napa 11 mi. S of Middletown on Butts Canyon Rd. 274 Comment
  UC482099  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa between Pope Springs and Aetna Valley; Butt Canyon Comment
  UC517434  Salix breweri John Thomas Howell 1933-8-27 11641 Napa Sage Canyon Napa Range 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
  CAS-BOT-BC103753  Salix exigua Lewis S. Rose 1937-4-4 37020 Napa 4 mi. N. of Wooden Valley 335 Comment
  RSA26496  Salix exigua L. S. Rose 1937-4-4 37020 Napa 4 miles N of Wooden Valley. 335 Comment
  UC75014  Salix exigua var. hindsiana unknown 1903-4-19 1996 Napa Calistoga Comment
  CAS-BOT-BC108192  Salix hindsiana H. L. Mason 1926-3-14 2719 Napa Along stream in grove, Mount St. Helena Comment
  CAS-BOT-BC108193  Salix hindsiana Ira L. Wiggins 1932-3-12 5755 Napa North fork of the Napa River, 1 mi. N. of Calistoga Comment
  CAS-BOT-BC108197  Salix hindsiana Lewis S. Rose 1937-4-4 37020 Napa 4 mi. N. of Wooden Valley 335 Comment
  POM106776  Salix laevigata Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  RSA3944  Salix lasiolepis I. L. Wiggins 1932-3-12 5751 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UC483316  Salix lasiolepis Ira L. Wiggins 1932-3-12 5751 Napa 1 mi n Calistoga; North Fork of the Napa River Comment
  UC519392  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 1 Napa Dry Creek Rd. aprroximately 15 mi from Napa Comment
  CAS-BOT-BC539338  Salix lasiolepis Jake Ruygt 2007-2-18 5118 Napa Moore Creek, Las Posadas State Forest Comment
  RSA92783  Salix lasiolepis Peter H. Raven 1951-8-22 3882 Napa 24/10 miles from Lokoya on Napa Rd. 244 Comment
  CAS-BOT-BC124420  Salix lasiolepis var. lasiolepis Ira L. Wiggins 1932-3-12 5751 Napa North fork of the Napa River, 1 mi. N. of the town of Calistoga Comment
  UCD125700  Salvia columbariae M. Wiesendanger 1927-5-4 688 Napa Monticello - Napa Rd. Comment
  UCD15500  Sambucus mexicana Ted Graber 1984-5-12 19 Napa 1 mile West from Conn Dam. Comment
  UCR196224  Sambucus mexicana Ryan Knox, E. McDermott, G. Walden 2002-4-13 03 Napa McLaughlin UC Reserve. 0.4 mi south of old town of Knoxville, 0.7 mi west along Knoxville-Berryesa Road 432 Comment
  CAS-BOT-BC238595  Sambucus nigra subsp. caerulea Peter H. Raven 1950-6-20 2329 Napa St. Helena to Conn Valley, Napa Range Comment
  JEPS45502  Sanguisorba minor subsp. muricata W. L. Jepson 1908-5-23 3007 Napa St. Helena; Sunkler Ranch Comment
  CAS-BOT-BC223275  Sanicula bipinnatifida David D. Keck 1933-5-28 2332 Napa Howell Mountain, north side, 1 mile above Pope Valley P.O. Comment
  UCD169881  Sanicula bipinnatifida Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 721 Napa Knoxville Wildlife Area. 352 Comment
  UCD81468  Sanicula bipinnatifida M. Wiesendanger 1927-5-4 679 Napa Near Monticello. Comment
  JEPS104478  Sanicula crassicaulis Jake Ruygt 1992-4-10 2892 Napa Wild Horse Valley Ranch, meadow north of polo field 478 Comment
  UC1006696  Sanicula crassicaulis C. Ritchie Bell 1951-3-24 3 X151 Napa se of road from Pope Valley to St. Helena Comment
  UCD169889  Sanicula crassicaulis Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 729 Napa Knoxville Wildlife Area. 311 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
  UCD48490  Sanicula crassicaulis C. Matthews; T. Petrie, C. Little, and K. Glover 2001-4-14 4 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along Decker Bay Trail; 20 ft. NW from jct. with West Rd. 15 ft. S of stream. 152 Comment
  UCD73416  Sanicula crassicaulis Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  JEPS991  Sanicula laciniata Willis L. Jepson 1893-5-1 14186 Napa Napa River Basin, Upper Napa Valley, Franz Valley Grade Franz Valley Grade; Napa River Basin, Upper Napa Valley, Franz Valley Grade Comment
  RSA10677  Sanicula tuberosa C. B. Wolf 1928-5-3 s.n. Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC1245377  Sanicula tuberosa Joseph P. Tracy 1950-5-23 18681 Napa Howell Mt, in Las Posadas State Forest, Head of Moore's Creek Moore's Creek; Howell Mt, Las Posadas State Forest, Moore's Creek 365 Comment
  CAS-BOT-BC94882  Saxifraga californica R. C. Wenk 2006-4-30 438 Napa Robert Louis Stevenson S.P., trail E from Hwy 29 parking lot for trail to Mt. St. Helena, 0.5 mi from lot on left side Comment
  SFV11127  Scandix pecten-veneris F. M. Ball May 1961 s. n. Napa 2 miles north of Calistoga on State Highway 29. Roadside. 130 Comment
  UC658998  Scandix pecten-veneris Mildred E. Mathias 1938-4-24 1337 Napa 2 mi s of St. Helena (along highway) Comment
  UCD128060  Scandix pecten-veneris C. G. Baughn 1949-4-24 20 Napa State Highway 12, 3.25 miles northwest of Cordelia. Comment
  CAS-BOT-BC21127  Schoenoplectus acutus var. occidentalis Peter H. Raven 1951-9-9 3910 Napa Slaughterhouse Pt., Napa River. 0 Comment
  CAS-BOT-BC111472  Schoenoplectus americanus Peter H. Raven 1952-8-26 5139 Napa Salt marshes near Bentley Wharf. 15 Comment
  CAS-BOT-BC111826  Schoenoplectus tabernaemontani Peter H. Raven 1952-8-26 5133 Napa Salt Marshes near Bently Wharf. Comment
  JEPS121363  Scirpus fluviatilis Jake Ruygt 1992-5-18 2984 Napa Yountville Ecological Reserve, Yountville Cross Rd., Napa River. Comment
  JEPS121373  Scirpus microcarpus Jake Ruygt 1984-6-2 1565 Napa Conn Dam Comment
  POM261557  Scribneria bolanderi J. T. Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  RSA170228  Sedella pumila Joseph P. Tracy 1950-5-23 18657 Napa Near Angwin Creek; Howell Mountain. Comment
  RSA122332  Senecio eurycephalus B. O. Schreiber 1938-4-24 2506 Napa 1/2 mile northwest of Knoxville. 610 Comment
  CAS-BOT-BC327425  Senecio flaccidus var. douglasii H. E. McMinn 1922-8-1 396 Napa Pope Valley Canyon Comment
  CAS-BOT-BC240239  Setaria viridis John H. Thomas 1966-5-8 11593 Napa At Louis Martini Winery, near St. Helena Comment
  HSC16034  Sidalcea diploscypha E. Ferguson 1920-5-15 345 Napa Pope Creek 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
  UCD13152  Sidalcea diploscypha Kathleen Worden 1981-5-26 18 Napa Napa CO. Highway 128, 1 mile west of Knoxville Rd. intersection. Comment
  UC18889  Sidalcea hartwegii Willis L. Jepson 1893-5-9 Napa hills w Rutherford; Napa River Basin, hills w of Rutherford Comment
  UC796667  Sidalcea hartwegii Ira L. Wiggins 1949-4-30 12071 Napa about 15 mi ne Calistoga (between Calistoga and Clear Lake); ne of Calistoga, btw Calistoga and Clear Lake Comment
  RSA292974  Sidalcea keckii Reino Alava 1957-5-30 993 Napa Near the end of State Highway no. 37, in the southern end of Capell Valley. Comment
Read comments
Jan 30 2008
  UCD160775  Sidalcea keckii Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8655 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 601 Comment
  UCD20538  Sidalcea keckii E. Dean; w/ PLB 102 class 2002-4-4 1000 Napa McLaughlin UC Reserve. Along Knoxville-Berryesa road just W of turnoff to old town of Knoxville, N side of road. 441 Comment
  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
  UCD116626  Sidalcea keckii Robert E. Preston 1988-4-10 582 Napa 0.3 mile SE of confluence of Putah and Hunting Creeks. 243 Comment
  UC18857  Sidalcea malviflora subsp. laciniata Willis L. Jepson 1893-4-26 Napa Vineland Napa River Basin, Vineland Comment
  JEPS106737  Silene antirrhina Jake Ruygt 1996-5-14 3694 Napa White Cliff Springs; Elder Valley; PG+E property to S. 414 Comment
  UC161053  Silene antirrhina Joseph P. Tracy 1902-5-16 1496 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mt., Moore's Creek 457 Comment
  JEPS50940  Silene antirrhina W. L. Jepson 1896-6-2 Napa St. Helena , St. Helena (Napa Valley) Comment
  CDA3481  Silene armeria L. Darby 1980-8-29 Napa Napa. 0 Comment
  UC161033  Silene californica Joseph P. Tracy 1905-7-5 2208 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  UCD73436  Silene coniflora Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  CAS-BOT-BC384429  Silene coronaria Peter H. Raven 1952-5-26 4032 Napa St. Helena to Howell Mt. 91 Comment
  JEPS126120  Silene gallica Jake Ruygt 1978-5-1 210 Napa East of east end Westgate Drive, Silverado Country Club. Mount George 7.5' Qua. Comment
  RSA0054832  Silene gallica Lois Weston 1942-4-29 1104 Napa Putah Canyon. [Lake, Napa, Yolo, or Solano County] Comment
  UC465687  Silene gallica C. F. Sonne April 1888 2176 Napa Comment
  JEPS59331  Silybum marianum W. L. Jepson 1936-6-2 17606 Napa banks Napa River (near bridge on road to Sanitarium, St. Helena); banks Napa River, St. Helena Comment
  JEPS126032  Sisyrinchium bellum Jake Ruygt 1976-4-15 3 Napa 0.5 mile east of Silverado Trail on Deer Park Road. Saint Helena 7.5' Quad. Comment
  UC1196379  Sisyrinchium bellum Joseph P. Tracy 1933-4-30 12091 Napa on hills at head of Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD138801  Sisyrinchium bellum D. C. Finfrock 1950-4-2 12 Napa 2 miles from St. Helena on road to Pope Valley. Comment
  UCD138844  Sisyrinchium bellum L. P. Thibault 1995-5-19 43 Napa Highway 128, ca. 1/2 mile W of intersection with Lower Chiles Valley Road and W of Sage Creek. 250 Comment
  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
  UCD23394  Sisyrinchium bellum Alana Adams 1977-4-28 10 Napa Grassy meadow, partly shaded by oaks. 14.75 miles north of Barryessa Knoxville Rd. and Highway 128 intersection on Berryessa Knoxville Rd. 243 Comment
  UCD67945  Sisyrinchium bellum Sally Jue 1977-4-16 21 Napa Along Hwy. 128, 6.4 mi. SSW of Monticello Dam. 198 Comment
  JEPS122676  Sium suave Jake Ruygt 1979-7-3 732 Napa Napa River south of Trancas St. Quad: Napa. Comment
  CDA29790  Solanum americanum M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 219 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  UCD170148  Solanum parishii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 734 Napa Knoxville Wildlife Area 257 Comment
  UCD169858  Solanum rostratum Lowell Ahart 2009-10-27 16494 Napa 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
  JEPS110903  Solanum umbelliferum Jake Ruygt 1980-5-3 872 Napa Bear Valley 640 Comment
  UC26281  Solanum umbelliferum H. P. Chandler 1900-5-7 Napa Rutherford 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
  SEINET12329995  Solanum xanti var. intermedium F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -308 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 780 Comment
  UCD160791  Solidago Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8671 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  CAS-BOT-BC365372  Solidago elongata John Thomas Howell 1933-8-27 11635 Napa Sage Canyon, Napa Range Comment
  JEPS106876  Solidago velutina subsp. californica Jake Ruygt 1990-7-14 2602 Napa Yountville Ecological Reserve, Napa River at Yount.Cross 28 Comment
  UC1299293  Solidago velutina subsp. californica Freed W. Hoffman 1947-9-11 1383 Napa Butts Canyon , Butts Canyon (North Coast Ranges) Comment
  UCD149677  Soliva sessilis Stephen P. Rae; Ayzik Solomeshch 2006-4-14 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  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
  JEPS37531  Sonchus oleraceus W. L. Jepson 1936-6-2 17605 Napa banks Napa River (St. Helena); banks Napa River, St. Helena Comment
  CAS-BOT-BC374657  Sonchus oleraceus Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  CAS-BOT-BC235339  Sorghum halepense Peter H. Raven 1950-6-20 2371 Napa In the Napa Range between Conn Valley & Howell Mtn Comment
  CAS-BOT-BC390291  Spergularia macrotheca var. longistyla Alice Eastwood 1915-6-5 4639 Napa Calistoga Comment
  HSC34855  Spergularia macrotheca var. longistyla Thomas W. Nelson, James Nelson 1975-5-5 1805 Napa Calistoga Airport Comment
  RSA0098130  Spergularia rubra var. perennans J. C. Roos 1939-5-13 268 Napa Near Angwin. Comment
  JEPS128908  Spiranthes porrifolia Jake Ruygt 1996-6-23 3756 Napa Wontrup Wildlife Sanctuary, Hardin Road, Pope Valley. Saint Helena 7.5' Quad. Comment
  JEPS62970  Stachys ajugoides Willis L. Jepson 1893-4-24 14985 Napa hills e St. Helena (to Conn Valley) Comment
  JEPS62975  Stachys albens W. L. Jepson 1936-7-6 17652 Napa Sage Canyon Napa Range Comment
  SEINET9352740  Stachys albens Unknown 1976-8-8 13 Napa Napa County Comment
  UCD166676  Stachys albens Jake Ruygt 1994-6-4 3393 Napa Lewelling Ranch, Sulphur Springs; road to upper meadow. 188 Comment
  POM196464  Stachys emersonii J. T. Howell 1926-3-20 1700 Napa Mt. St. Helena below the old tool house. 457 Comment
  CDA10868  Stachys rigida G. F. Hrusa, M. Rejmanek 1993-5-15 10963 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD166639  Stachys stricta Jake Ruygt 1992-7-22 3109 Napa south end of Wooden Valley, on Wild Horse Valley Ranch. 179 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
  CAS-BOT-BC393991  Stellaria nitens Peter H. Raven 1950-4-15 1716 Napa Silverado Trail outside of Napa Comment
  SBBG53024  Stellaria nitens M. R. Benedict 1978-4-18 Napa Hwy 128 on divide between Napa Valley and Russian River Valley, ca. 5 mi NW of Calistoga Comment
  UCD99477  Stellaria nitens J. M. Tucker 1977-4-24 4389 Napa above Eticuera Creek; west side of Berryessa - Knoxville Road, 15.6 miles by road north of junction with Pope Canyon Road (2.3 miles southeast of Knoxville Mine). 304 Comment
  CAS-BOT-BC375248  Stephanomeria elata Peter H. Raven 1951-8-19 3839 Napa Nr. Lokoya 487 Comment
  UC127179  Stephanomeria elata Harley P. Chandler Sep 7 1906-Sep 14 1906 7129 Napa Alta Loma Ranch Howell Mountain 487 Comment
  CAS-BOT-BC375245  Stephanomeria elata Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  UCD33550  Stephanomeria virgata subsp. pleurocarpa Beecher Crampton 1969-10-14 8520 Napa 1.5 miles west of Monticello Dam on Hwy. 128. Comment
  JEPS123027  Stipa lemmonii Jake Ruygt 2002-4-17 4390 Napa North of Foss Valley, Atlas Peak, Vineyards (Antinori). Quad: Rutherford. Comment
  JEPS122973  Stipa lepida Jake Ruygt 1986-4-26 1729 Napa East of Wragg Canyon Resort, Blue Ridge. Quad: Mt. Vaca. Comment
  SACT002371  Stipa lepida John Willoughby 1977-4-27 Napa Along State Highway 128 near Monticello Dam, northwest facing slope on south side of highway. Comment
  UCD161865  Streptanthus James A. Neilson Jr. 1979-6-30 3981 Napa Knoxville. Serpentine ridge forming south west side of Manhattan Mine. (Manhattan Mine is now known as Homestake McLaughlin Mine. Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD74403  Streptanthus barbiger Jake Ruygt 2007-6-23 5239 Napa Spring Mtn. Rd. across from York Creek Dam. 195 Comment
  CAS-BOT-BC61248  Streptanthus breweri David D. Keck 1933-5-29 2369 Napa Pope Creek bridge south of Walters Springs. Comment
  JEPS129030  Streptanthus breweri Jake Ruygt 2015-6-13 6134 Napa Fernandes-Snell Peak, Land Trust. Aetna Spring 7.5' Quad. 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
  JEPS106608  Streptanthus breweri var. hesperidis Jake Ruygt 1979-6-9 682 Napa 21.1 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 512 Comment
  UC956593  Streptanthus breweri var. hesperidis Freed W. Hoffman 1949-9-3 2998 Napa Conn Dam North Coast Ranges Comment
  POM225546  Streptanthus glandulosus J. T. Howell 1931-4-19 6453 Napa Conn Valley. Comment
  CAS-BOT-BC87156  Streptanthus glandulosus subsp. glandulosus David D. Keck 1931-4-3 1065 Napa Pope Creek Canyon, 8 miles northwest of Monticello. Comment
  CAS-BOT-BC87162  Streptanthus glandulosus subsp. glandulosus J. F. Emmel 1968-4-7 57 Napa Hills north of road above Pope Creek and Maxwell Creek. Comment
  UC187983  Streptanthus glandulosus subsp. glandulosus Edw. L. Greene 1895-4-1 Napa Dry Creek Comment
  UC735050  Streptanthus glandulosus subsp. glandulosus Lincoln Constance, J. F. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 3049 Napa se slope of mt. near old inn; Mount St. Helena Comment
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Jun 19 2014
  JEPS96911  Streptanthus morrisonii Dean W. Taylor 1998-6-23 16690 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
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Apr 14 2012
  JEPS106730  Symphoricarpos albus var. laevigatus Jake Ruygt 1988-4-11 2148 Napa canyon to the north of American Canyon 140 Comment
  JEPS12888  Symphoricarpos albus var. laevigatus Willis L. Jepson 1893-9-24 Napa Angwin's; Napa River Basin, Howell Mt. Comment
  UCD137414  Symphoricarpos albus var. laevigatus K. Esau 1933-7-8 s.n. Napa Calistoga near Petrified Forset. Comment
  UCD148766  Symphoricarpos albus var. laevigatus Jake Ruygt 1991-7-20 2786 Napa Napa County; Pope Creek at high water line of Lake Berryessa. 124 Comment
  JEPS40795  Symphyotrichum spathulatum Willis L. Jepson 1893-9-24 Napa Howell Mt. Comment
  UC672248  Symphyotrichum subulatum Herbert L. Mason 1923-10-6 768 Napa Suisun Marsh, along railroad Suisun Marsh Comment
  HSC58999  Tamarix ramosissima Bill Lutes 1975-4-26 149 Napa Near Knoxville, close to the town of Lower Lake. 375 Comment
  CHSC22132  Taraxia ovata Carol G. Getzinger 1964-3-24 8 Napa Buhman Road, 0.2 mi n of Henry Road; at roadside through fields. 152 Comment
  JEPS120336  Taraxia ovata Jake Ruygt 1990-4-1 2452 Napa White Creek, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  UCD107008  Taraxia ovata Richard Beaver 1965-5-1 148 Napa 5 miles south of St. Helena on State Highway 128. 45 Comment
  UCD125814  Teucrium fruticans Irving Grover 1964-4-15 s.n. Napa Agricultural Extension Service. Comment
  CDA12199  Thermopsis californica var. californica G. F. Hrusa 1989-4-29 6045 Napa North Coast Biodiversity Arena; Chiles Valley Rd., approx. 2 km N of junction of Hwy 128 and Chiles Valley Rd. Comment
  CHSC108734  Thermopsis californica var. californica B. Castro; L. P. Janeway 2002-5-12 1360 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 505 Comment
  JEPS118639  Thermopsis californica var. californica B. Castro and L. P. Janeway 2002-5-12 1360 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. NE-facing slope ~ 15 ft SE of main channel through springs. Jericho Valley 7.5' quad. Comment
  UC16393  Thermopsis californica var. californica Willis L. Jepson 1893-4-27 Napa Napa City Comment
  UCD148806  Thermopsis californica var. californica Ellen Dean; Diana Hickson 2014-4-29 8113 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD95951  Thermopsis californica var. californica Ellen Dean; with Clare Loughran 2011-5-20 7066 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  CAS-BOT-BC66482  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6084 Napa Summit of Wooden Valley Grade. 8 miles east of Napa. Comment
  CAS-BOT-BC66495  Thysanocarpus curvipes David D. Keck 1933-5-29 2352 Napa Pope Creek bridge south of Walters Springs. Comment
  CAS-BOT-BC66505  Thysanocarpus curvipes John H. Thomas 1955-5-21 5137 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  CAS-BOT-BC66511  Thysanocarpus curvipes John H. Thomas 1968-4-4 14279 Napa Along Highway 128, about 11 miles east of Rutherford (as measured along the road) and about 12 miles S of Pope Valley. Comment
  CAS-BOT-BC66514  Thysanocarpus curvipes Saichi Kawahara 1968-4-20 341 Napa 2 miles south of Pope Valley, Pope Valley-Chiles Road. 259 Comment
  UC11032  Thysanocarpus curvipes W. L. Jepson 1893-4-25 Napa St. Helena 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
  UC650402  Thysanocarpus curvipes Ira L. Wiggins 1928-3-24 2866 Napa grade on old road to Lake Co. above Calistoga Comment
  CAS-BOT-BC66477  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6097 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  CAS-BOT-BC66513  Thysanocarpus curvipes Lewis S. Rose 1935-4-18 35099 Napa Steel Canyon. Comment
  JEPS54164  Thysanocarpus curvipes Willis L. Jepson 1893-4-25 29 d Napa hills w St. Helena (trail to Caux's Cabin); Napa River Basin, hills w of St. Helena 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
  SEINET8727857 Image available Thysanocarpus curvipes Laura Zeller 1965-1 33 Napa Ca. 1/2 mile E of Junction of Pope Valley Road and Butts Canyon Road on Butts Canyon Road. Elevation ca. 700 feet. 213 Comment
  UCD115927  Thysanocarpus curvipes K. Esau 1933-4-14 s.n. Napa Near Petrified Forest, Calistoga. Comment
  POM216228  Thysanocarpus curvipes var. curvipes D. D. Keck 1933-5-29 2352 Napa Pope Creek bridge south of Walters Springs. Comment
  RSA233099  Thysanocarpus curvipes var. curvipes John H. Thomas 1968-4-4 14274 Napa About 3 miles N of Calistoga on road to Lakeport. Comment
  JEPS81602  Thysanocarpus curvipes var. elegans R. Raiche 1982-3-7 20190 Napa on Chiles and Pope Valley Road 1.3 mi n Sage Canyon Road Comment
  UCR17696  Thysanocarpus curvipes var. elegans E. Turula 1975-3-29 76 Napa Soda Canyon Road, 4.2 mi. east of Silverado Trail 213 Comment
  CAS-BOT-BC67311  Thysanocarpus radians Peter H. Raven 1953-4-2 5244 Napa Hills south of Imola. 121 Comment
  CAS-BOT-BC67313  Thysanocarpus radians John Thomas Howell 1931-4-2 6107 Napa 4 miles from Monticellos on Wooden Valley Road, Napa Range. Comment
  CDA11318  Tonella tenella G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12024 Napa UC Quail Ridge Reserve. Immediately below field house. Comment
  JEPS18244  Tonella tenella Peter H. Raven 1957-5-5 10763 Napa w edge Calistoga 182 Comment
  UCD124646  Tonella tenella J. M. Tucker 1957-3-22 3287 Napa beside Highway 37, 0.4 mie southwest of junction with road to Monticello Dam and Winters. Comment
  UCD149580  Torilis arvensis Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  CAS-BOT-BC85165  Torreya californica Alice Eastwood 1915-6-6 4658 Napa Mt. St. Helena Comment
  JEPS63924  Toxicodendron diversilobum W. L. Jepson 1915-4-23 6239 Napa hills e St. Helena (Howell Road); hills e <of> St. Helena Comment
  JEPS63925  Toxicodendron diversilobum W. L. Jepson 1915-4-23 6237 Napa hills east St. Helena Comment
  UCD15984  Toxicoscordion fontanum C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 1 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along W-side of Devilhead Rd. 38 deg. 49' 11.2'' N; 122 deg. 21' 11.7''W; 480 m. Comment
  UCD139849  Toxicoscordion fremontii R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  UCD159912  Toxicoscordion fremontii Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. West section. Near and west of Q42 or Q43. 243 Comment
  JEPS112634  Trichostema lanceolatum Jake Ruygt 1991-8-1 2809 Napa Butts Canyon Rd., 1.9 miles north of How ell Mountain Rd. 240 Comment
  UCR45100  Trichostema laxum L. F. LaPre, R. Bjork 1986-7-11 s.n. Napa Inner North Coast Ranges, Tributary to Hunting Creek, 1 mi south of Dunningan Hill, near the Lake Co. line 400 Comment
  UCD166643  Trichostema laxum Jake Ruygt 1991-6-29 2755 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville Road 121 Comment
  JEPS120352  Trichostema ruygtii Jake Ruygt 1991-8-1 2808 Napa Los Posados Road near fire station. Saint Helena 7.5' Quad. Comment
  RSA731088  Trichostema ruygtii Jake Ruygt 2004-7-31 4638 Napa Northwest of Buzzard s Roost, north end of Stags Leap. 412 Comment
  JEPS112610  Trientalis latifolia Jake Ruygt 1991-5-18 2685 Napa Ink Grade 329 Comment
  UCD83437  Trifolium albopurpureum Jake Ruygt 1993-5-1 3235 Napa SW end of Cedar Creek Rd. 463 Comment
  UC1602048  Trifolium albopurpureum var. dichotomum Baker 1903-4-20 2625 Napa Mt. St. Helena Comment
  UC1925904  Trifolium albopurpureum var. dichotomum Ethel Crum 1931-1 1068 Napa Near Aetna and Butts Canyon Roads. Comment
  JEPS106794  Trifolium bifidum var. decipiens Jake Ruygt 1993-5-24 3269 Napa Las Posadas State Forest 524 Comment
  UCD149693  Trifolium ciliolatum Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  JEPS95202  Trifolium depauperatum var. hydrophilum Jake Ruygt 1982-4-7 1173 Napa between Rocktram and Hwy 29 (221) Suscol Plain Comment
  UCD35287  Trifolium dichotomum Beecher Crampton 1955-4-7 2439 Napa 1/4 mile northwest of Knoxville. Comment
  CDA31271  Trifolium dubium D. G. Kelch 2010-5-6 10 .177 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD41327  Trifolium dubium Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 2 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, W side of Knoxville Creek, 1 road mile S of the gate to old town of Knoxville. 353 Comment
  JEPS106809  Trifolium fucatum Jake Ruygt 1984-4-21 1530 Napa Tubbs Lane at Myrtledale Rd. 118 Comment
  JEPS65868  Trifolium fucatum Willis L. Jepson 1893-4-25 13721 Napa w St. Helena (trail to Caux's Cabin); Napa River Basin Comment
  POM126204  Trifolium fucatum var. fucatum C. F. Sonne 1887-04 1535 Napa Napa Junction Comment
  JEPS106812  Trifolium glomeratum Jake Ruygt 1994-5-2 3367 Napa Kirkland Ranch, NE side of HWY 29 and 12 Comment
  JEPS33666  Trifolium gracilentum var. gracilentum John Thomas Howell 1926-3-28 1776 Napa near Calistoga (Myrtledale Hot Springs) Comment
  RSA121049  Trifolium incarnatum H. C. Cantelow, Ella Dales Cantelow s.n. Napa On Silverado Trail southeast of Rutherford. Comment
  CDA10873  Trifolium microcephalum G. F. Hrusa, M. Rejmanek 1993-5-15 10968 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS65963  Trifolium microcephalum W. L. Jepson 1924-4-29 10389 Napa Toll House Mt. St. Helena Comment
  JEPS65981  Trifolium microcephalum W. L. Jepson 1938-5-20 18803 Napa above St. Helena Sanitarium (above vineyard of John Ballentine); Howell Mtn Comment
  JEPS106713  Trifolium obtusiflorum Jake Ruygt 1990-6-2 2570 Napa Sulphur Canyon 237 Comment
  JEPS106714  Trifolium oliganthum Jake Ruygt 1989-4-8 2250 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 182 Comment
  JEPS126079  Trifolium pratense Jake Ruygt 1986-5-20 1781 Napa Napa Corporate Park (Suscol Plain). Cuttings Warf 7.5' Quad. Comment
  CDA31301  Trifolium subterraneum D. G. Kelch 2010-5-6 10 .186 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD109430  Trifolium variegatum R. Tofsrud 1951-5-20 s.n. Napa Yountville cemetery. Comment
  RSA10694  Trifolium variegatum var. melananthum Carl B. Wolf 1928-5-8 1793 Napa 5 mi. no. of Calistoga, Mt. St. Helena Grade. Comment
  UC16785  Trifolium variegatum var. variegatum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  UCD49030  Trifolium willdenovii S. Murphy; K. Keck and K. Dyer 2002-5-5 18 Napa Quail Ridge UC Reserve, northern tip of ridge, along N edge of upper road leading to power lines and tip parcels, NE from intersection of West and East Roads ca. 20 m. 328 Comment
  JEPS48858  Trifolium willdenovii Elsa Kraeger 1926-3-27 Napa near Soscol (along rd) Comment
  UCD67357  Trillium chloropetalum G. F. Hrusa 1996-5-4 s.n. Napa Shaded canyon below Cub Valley on MonteSol Ranch. Summit of Palisades SE of Mount St. Helena. 609 Comment
  UCD20032  Trillium chloropetalum C. H. Lamoureux; J. M. Tucker, R. Gankin 1957-4-17 1206 Napa Junction of Glass Mountain Road and Silverado Trail. Comment
  JEPS113980  Trillium ovatum subsp. ovatum Jake Ruygt 1997-3-23 3816 Napa Devil's Canyon, about 1/2 mile upstream Taylor picnic area. Sonoma 7.5' Quad. Comment
  JEPS106582  Triodanis biflora Jake Ruygt 1987-6-5 2028 Napa Wild Horse Valley Ranch near White Creek 402 Comment
  UCD167132  Triodanis biflora Jake Ruygt 2015-5-23 6114 Napa Missimer - Snell Valley Preserve. 178 Comment
  SEINET13750232  Triphysaria eriantha M. J. Williams 1967-5-7 s. n. Napa Pope Valley. 198 Comment
  JEPS120429  Triphysaria eriantha Jake Ruygt 2010-3-9 5483 Napa Lovell Valley Loop Rd. about 0.5 mi. south of Napa / Sonoma Line. Comment
  JEPS16798  Triphysaria eriantha subsp. eriantha Rimo Bacigalupi with John Dawson 1955-4-25 4846 Napa near junction of Lower Lake road with Calif. Highway 128 in Monticello Valley; field in Monticello Valley 94 Comment
  UC194178  Triphysaria eriantha subsp. eriantha C. F. Sonne April 1896 Napa near Napa Junction; near Napa Junction Comment
  UCD16044  Triphysaria eriantha subsp. eriantha R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 29 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, flat land near stream, sunny. Herb, 2-2.5 dm tall, flower yellow. Comment
  JEPS10431  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1915-4-23 6258 Napa Conn Valley; Napa Range, Conn Valley Comment
  JEPS11171  Triphysaria versicolor subsp. faucibarbata R. F. Hoover 1941-4-26 4921 Napa Pope Valley Comment
  SJSU11599  Triphysaria versicolor subsp. faucibarbata E. C. Garbett 1961-4-15 288 Napa by rd between Vallejo & Brown Valley Rd Comment
  HSC60268  Triphysaria versicolor subsp. faucibarbata R. W. Spjut 1979-4-8 5454 Napa Within Napa city limits just off Hwy. 121 Comment
  UCR24352  Trisetum canescens John C. Roos 1939-5-7 297 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  JEPS110904  Triteleia hyacinthina Jake Ruygt 1977-5-3 211 Napa 1.6 miles north of Monticello Rd. on Atlas Peak Rd. 54 Comment
  UCD160682  Triteleia hyacinthina Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8754 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
  UCD139382  Triteleia laxa L. P. Thibault 1995-6-2 56 Napa South side of Hwy 128 approx. 0.5 mi. west of junction with Hwy 121. 275 Comment
  UCD48796  Triteleia laxa Kook-Hyun Chung 2001-4-28 1 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; Along West Rd., ca. 0.45 mi (2400 ft.) NW of jct with South Decker Canyon Rd.; down slope of West Road ca. 1 m. 242 Comment
  UCR196219  Triteleia laxa E. Anderson, L. Lina, A. Miles, J. Waggoner, R. Wenk 2000-4-22 24 Napa UC McLaughlin Reserve, south of old town Knoxville, north of Knoxville-Berryessa Road, west side of dirt road 402 Comment
  CAS-BOT-BC526507  Triteleia laxa Betty H. Johnson 1958-6-8 607 Napa In meadow near St. Helena River, 6.4 miles SW of Middleton Comment
  SEINET8506566  Triteleia laxa C. M. Fryer 1948-5-9 13 Napa 17 miles N of Monticello. Comment
  UC3311  Triteleia laxa Willis L. Jepson 1893-4-24 Napa hills e St. Helena; Napa River Basin Comment
  UC146224  Triteleia peduncularis J. P. Tracy 1905-7-5 2231 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mtn 365 Comment
  UCD167447  Triteleia peduncularis James A. Neilson Jr. 1979-5-25 3972 Napa 1/4 mi south old Knoxville store. (Neilson's notebook says 200 yards south of Knoxville Store, while notes on specimen say 1/4 mile south of old Knoxville store. Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET12049805  Triteleia peduncularis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -325 Napa along Butts Canyon Rd near junction with Snell Valley Rd, to Berryessa Estates along Butts Creek 250 Comment
  RSA115536  Tropidocarpum gracile Beecher Crampton 1957-4-15 3931 Napa Along the road, E slope of Wrag Canyon, Vaca Mtns. Comment
  CAS-BOT-BC91202  Umbellularia californica Elsa G. Ruckert 1960-2-27 7 Napa 6495 Dry Creek Road. 365 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
  UCD162094  Umbellularia californica Dylan O. Burge 2014-3-15 1491 Napa Mount Saint Helena. Comment
  UCD38864  Umbellularia californica Beecher Crampton 1962-10-9 6705 Napa 5 miles north Conn. Reservoir. (Lake Hennessey) Lower Chiles Valley Road. Comment
  SBBG2307  Umbellularia californica var. californica Milton Workman 1953-3-7 8 Napa Portuguese Cyn, Putah Crk Rd Comment
  JEPS110737  Verbena lasiostachys var. scabrida Jake Ruygt 1979-7-28 780 Napa 2 miles north of fire trail up Mt. St. Helena on HWY 29 487 Comment
  JEPS110577  Veronica americana Jake Ruygt 1986-8-2 1891 Napa .5 mile east of . Kelly Rd. , Fagan's Creek 28 Comment
  UCD21502  Veronica peregrina subsp. xalapensis Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4404 Napa Quail Ridge Reserve. 262 Comment
  SBBG115635  Veronica persica B. Crampton 1955-5-16 2796 Napa Putah Crk, 8.5 mi W of Winters, just W of the Monticello Dam site Comment
  UCD49289  Veronica persica Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 10 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., near stream, E side of Road, just N of jct with Cut-Off Rd., near dilapidated buildings, about 75 ft. S of screen shed. 152 Comment
  UCD49291  Veronica persica L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 11 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  UCD83430  Vicia americana subsp. americana Jake Ruygt 2005-3-28 4729 Napa near Knoxville Wildlife Area. 292 Comment
  JEPS106544  Vicia americana var. americana Jake Ruygt 1981-4-20 991 Napa American Canyon, .2 miless east of Flosden Rd. 164 Comment
  UC1543124  Vicia americana var. americana Charlotte G. Nast 1936-3-27 62 Napa Childs Canyon Comment
  UC16957  Vicia americana var. americana Willis L. Jepson 1893-4-26 13609 Napa Oakville; Napa River Basin Comment
  UCD167014  Vicia sativa subsp. nigra Jake Ruygt 1982-4-29 1207 Napa Suscol Plain east of Kaiser Steel. 4 Comment
  SEINET9330677  Vicia villosa Unknown 1996-3-1 29 Napa On NE side of Knoxville Road on SW side of Lake Bereyessa. Disturbed, roadside area, full sun, little moisture, dominant species Vicia villosa. Comment
  UC1177460  Vicia villosa subsp. varia John Thomas Howell 1945-6-18 20966 Napa Mt. St. Helena; near summit of highway Comment
  UCD48004  Vicia villosa subsp. villosa A. Miles; E. Anderson, L. Lina, J. Waggoner, and R. Wenk 2000-4-22 26 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  RSA801969  Viola Keith E. Hoffmaster 1946-3-23 1262 Napa Napa range, near summit of Napa-Monticello road. Com