38.43994 38.53994 -122.57163 -122.47163 UC/JEPS: Consortium Search Results
Search Results — 838 specimen records retrieved (838 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/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  JEPS122719  Abutilon theophrasti Jake Ruygt 1996-9-2 3767 Napa SW corner, Silverado Trail at Pope Street, St. Helena. Quad: St. Helena. Comment
  CAS-BOT-BC332797  Acer macrophyllum Irja Knight; Walter Knight 1964-11-15 785 Sonoma Hood's Peak at Johnson Lake Comment
  CHSC21438  Acer macrophyllum Robert A. Schlising 1962-3-31 2127 Sonoma Coast Ranges. Ca 2 mi NE of Kenwood along road in to Sugarloaf Ridge. Comment
  UCD117006  Acer macrophyllum Jennifer Bury; Peggy Herzog 1993-5-8 290 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain 0.75 mile. On Bald Mountain Trail. 426 Comment
  SJSU1361  Acmispon brachycarpus J. W. Tilden 1953-5-24 1038 Napa NE slope Mt St Helena 457 Comment
  SD8658  Acmispon glaber Michener, Bioletti 1892-5-30 Sonoma Woods Peak 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
  CAS-BOT-BC30276  Adenocaulon bicolor A. A. Heller 1902-6-26 5771 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  CAS-BOT-BC30277  Adenocaulon bicolor A. A. Heller 1902-6-26 5771 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  POM56895  Adenocaulon bicolor A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UCD112602  Adenostoma fasciculatum Jennifer Bury; Peggy Herzog 1993-5-8 270 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain 1 mile. Near visitor center, 100 feet above parking lot, along Lower Bald Mountaing Trail. 402 Comment
  UCD117143  Aesculus californica Frederica Bowcutt 1997-7-18 2175 Sonoma Sugarloaf Ridge State Park, about 50 air miles north of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge west of Bear Creek. 365 Comment
  UCD136639  Aesculus californica Frederica Bowcutt 1997-7-18 2175 Sonoma Sugarloaf Ridge State Park, about 50 air miles north of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge west of Bear Creek. 365 Comment
  CAS-BOT-BC22750  Agoseris heterophylla L. R. Abrams 1928-5-3 12228 Napa Saint Helena Grade Comment
  CAS-BOT-BC22751  Agoseris heterophylla L. R. Abrams 1928-5-3 12228 Napa Saint Helena Grade Comment
  UC72587  Agrostemma githago Miss M. Alice King Napa St. Helena Comment
  UC1177042  Agrostis alba John Thomas Howell 1943-6-20 18241 Napa hills sw St. Helena Comment
  CAS-BOT-BC139671  Agrostis gigantea John Thomas Howell 1943-6-20 18241 Napa Hills southwest of Saint Helena. Comment
  UC126593  Agrostis hallii F. T. Bioletti Jun 1893 Sonoma Hood's Peak Comment
  UC36899  Agrostis hallii Michener and Bioletti 1893-6-10 109 Sonoma Hood's Peak Comment
  UC963879  Agrostis hallii Milo S. Baker 1947-5-12 11762 Sonoma Hood Mt. 426 Comment
  CAS-BOT-BC139012  Agrostis pallens John Thomas Howell 1943-6-19 18236 Napa Hills southwest of Saint Helena. Comment
  CAS-BOT-BC139015  Agrostis pallens John Thomas Howell 1943-6-19 18236 Napa Hills southwest of Saint Helena. Comment
  RSA40170  Agrostis pallens J. T. Howell 1943-6-19 18236 Napa Hills southwest of St. Helena Comment
  UCD53205  Agrostis pallens John Thomas Howell 1943-6-10 18236 Napa Hills southwest of St. Helena. Comment
  UCD95693  Agrostis pallens Ellen Dean, Clare Loughran; with Clare Loughran 2011-5-20 7039 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 599 Comment
  UC903689  Aira elegantissima Milo S. Baker 1947-4-22 11691 Sonoma trail from residence of Gray ranch towards cliffs at summit; Hood Mt. 274 Comment
  UC903759  Aira elegantissima Milo S. Baker 1947-5-7 11748 Sonoma above Baker Ranch (sw slope of mt.); Mt. Hood 213 Comment
  UC905117  Aira elegantissima Milo S. Baker 1947-5-7 11748 Sonoma above Baker Ranch; Hood Mt. 213 Comment
  UC119966  Allium amplectens Michener and Bioletti 1897-5-8 2052 a Sonoma Hood's Peak Comment
  SJSU1352  Allium falcifolium J. W. Tilden 1953-5-24 1041 Napa NE slope Mt St Helena 457 Comment
  CAS-BOT-BC169652  Alnus rhombifolia Walter Knight; Irja Knight 1963-10-27 438 Sonoma Stream bank on Spring Mt. road Comment
  JEPS58611  Alnus rhombifolia Willis L. Jepson 1901-8-6 1717 Napa White Sulphur Springs Napa River Basin Comment
  JEPS58642  Alnus rhombifolia W. L. Jepson Nov 26 1895-Nov 27 1895 Napa sw St. Helena; White Sulphur Springs Comment
  RSA299415  Alnus rhombifolia W. L. Jepson 1901-8-6 1717 Napa White Sulphur Spring. Comment
  UCD109997  Alnus rhombifolia Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1773 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trailhead along Adobe Canyon Road S of Sonoma Creek. 198 Comment
  JEPS123023  Alopecurus saccatus Jake Ruygt 1989-4-6 2247 Napa Pasture across from Bale Mill entrance. Quad: Calistoga. Comment
  JEPS54291  Amaranthus albus W. L. Jepson 1894-11-5 Napa St. Helena Comment
  JEPS54311  Amaranthus hybridus W. L. Jepson Napa Rural Health Retreat St. Helena Comment
  JEPS54322  Amaranthus retroflexus W. L. Jepson 1894-11-5 Napa St. Helena Comment
  JEPS54330  Amaranthus retroflexus W. L. Jepson 1894-11-5 Napa St. Helena Comment
  UC466778  Amelanchier utahensis H. P. Chandler 1907-4-27 7546 Sonoma St. Helena to Santa Rosa via Spring Mt. Comment
  UCD95904  Amelanchier utahensis Ellen Dean; with Clare Loughran 2011-5-20 7046 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  UC1137510  Amorpha californica var. napensis J. B. Spring 1932-6-27 91 Napa 2 mi e McCormack Ranch; Santa Rosa Quadrangle, Sulphur Spr. Creek 152 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
  CHSC25143  Amsinckia intermedia J. E. Beitler 1970-4-12 18 Napa St. Helena. Located ca. 20 yds. N.E. of conversion dam and 15 yds. W. of Spring Mountain Mountain Road. Comment
  CAS-BOT-BC271437  Anisocarpus madioides A. A. Heller 1902-6-26 5769 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  CAS-BOT-BC273164  Anisocarpus madioides L. R. Abrams 1928-5-3 12203 Napa St. Helena Grade Comment
  CAS-BOT-BC273165  Anisocarpus madioides L. R. Abrams 1928-5-3 12203 Napa St. Helena Grade Comment
  UCD128891  Anisocarpus madioides F. Bowcutt; Jeff Kennedy, Jolie Henricks 1994-5-1 1758 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles northwest of Napa, 1.5 air miles northeast of Kenwood. In Adobe Canyon north of Sugarload Ridge along the Goodspeed Trail, 200 yards from the trail head on Adobe Canyon Road and just east of Bear Creek, 5 yards north of confluence with Sonoma Creek. 198 Comment
  UCD95683  Anisocarpus madioides Ellen Dean; with Clare Loughran 2011-5-20 7028 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  JEPS14134  Anthriscus caucalis Mrs. D. O. Hunt May 1908 Napa St. Helena Comment
  UCR179374  Anthriscus caucalis Frederica Bowcutt 1994-6-12 1859 Sonoma Sugarloaf Ridge, About 50 air miles N of San Francisco, 10 miles east of Santa Rosa, 1.5 miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture 433 Comment
  UC1388988  Antirrhinum kelloggii Milo S. Baker 1947-4-22 11688 Sonoma near Kenwood (above Gray Ranch); Hood Mt. 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
  JEPS83370  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-15 333 Napa 1.3 mi w Hwy. 29/128 in St. Helena (on Spring Street (not Spring Mt. Rd.), nw side of road at center of curve); St. Helena, Rutherford Quad. (7.5', 1951) 106 Comment
  CAS-BOT-BC237922  Antirrhinum virga Mrs. Merrel Ackley 1962-6-27 s.n. Napa Hills about 5 miles west of St. Helena Comment
  CAS-BOT-BC248903  Antirrhinum virga A. A. Heller 1902-6-26 5775 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  GH365382  Antirrhinum virga A. A. Heller 1902-6-26 5775 Unknown Along Sonoma creek, at the foot of Mt. Hood Comment
  OBI49250  Antirrhinum virga Michener & Bioletti, Bioletti 2005-3-7 s.n. Sonoma Hoods Peak [illegible] Comment
  POM14615  Antirrhinum virga Mcluner, Bioletti 1893-06 s.n. Sonoma Hood's Peak Comment
  POM14617  Antirrhinum virga A. A. Heller 1902-6-26 5775 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UC192719  Antirrhinum virga Michener and Bioletti May 1893 Sonoma Hood's Peak Comment
  UC12042  Aphanes occidentalis F. T. Bioletti 1894-1 Sonoma Hood's Peak Comment
  UC188198  Apiastrum angustifolium Michener and Bioletti June 1893 Sonoma Hoods Peak Comment
  CAS-BOT-BC128619  Arbutus menziesii Walter Knight; Irja Knight 1964-11-15 790 Sonoma Hood's Peak near Johnson Lake Comment
  JEPS66570  Arbutus menziesii Willis L. Jepson 1893-4-25 14653 Napa w of St. Helena (Trail to Caux's Cabin); Napa River Basin Comment
  UCD117476  Arbutus menziesii Jennifer Bury; Peggy Herzog 1993-5-8 266 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 100 ft. above parking lot, on Lower Bald Mountain Trail. 402 Comment
  UC565374  Arctostaphylos H. B. Kaufner 1937-2-26 17 Napa 1/4 mi below Devil's Well; Upper Mill Creek Canyon 472 Comment
  JEPS38632  Arctostaphylos canescens Willis L. Jepson 1893-4-25 14698 Napa highest ridges near Caux's Knob; Napa River Basin Comment
  CAS-BOT-BC23969  Arctostaphylos canescens subsp. canescens Milo S. Baker Fall 1936 9782 Sonoma Top of Hood's Peak Comment
  RSA182020  Arctostaphylos canescens subsp. canescens W. L. Jepson 1893-4-25 14698 Napa Aux's Knob, west of St. Helena. Comment
  CAS-BOT-BC23283  Arctostaphylos glandulosa subsp. cushingiana Milo S. Baker 1928-1-1 2588 b Sonoma Hood Mt., above Brown's cabin Comment
  CAS-BOT-BC23285  Arctostaphylos glandulosa subsp. cushingiana Walter Knight 1963-4-28 s.n. Sonoma Head of Adobe Canyon, south past Hoods Peak Comment
  CAS-BOT-BC24724  Arctostaphylos glandulosa subsp. glandulosa A. A. Heller; H. E. Brown 1902-3-31 5194 Sonoma Mt. Hood. Comment
  UC1137482  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1934-2-24 364 Napa Spring Mountain Calistoga Quadrangle Comment
  UC535029  Arctostaphylos glandulosa subsp. glandulosa H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Rd about 8 mi e Santa Rosa Comment
  SEINET2028701 Image available Arctostaphylos manzanita H. F. Copeland 1933-3-18 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa Comment
  CAS-BOT-BC38711  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 9 Sonoma Residence of M. S. Batker, at west base of Mt. Hood. Comment
  CAS-BOT-BC38721  Arctostaphylos manzanita subsp. manzanita A. A. Heller; H. E. Brown 1902-3-31 5194 Sonoma Mt. hood Comment
  CAS-BOT-BC38738  Arctostaphylos manzanita subsp. manzanita John H. Thomas 1955-5-22 5185 Napa Along St. Helena Road and West Creek, 1.2 miles west of Sonoma - Napa County line, about 6 miles from St. Helena. 457 Comment
  CAS-BOT-BC38763  Arctostaphylos manzanita subsp. manzanita Peter H. Raven 1954-1-22 6385 Napa Sulphur Springs Canyon just N. of the resort 213 Comment
  CAS-BOT-BC38775  Arctostaphylos manzanita subsp. manzanita Peter H. Raven 1954-2-22 6413 a Napa Hills just north of White Sulfur Springs, w. of St. Helena 152 Comment
  JEPS122807  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-23 5116 Napa Whitehall Lane at west end of county road. QUAD: Rutherford. Comment
  JEPS38880  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1936-12-7 17993 Napa near St. Helena; Napa Range, Glass Mt. Comment
  RSA181902  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1936-12-7 17993 Napa Glass Mt., near St. Helena. Comment
Read comments
Sep 3 2012
  UC518977  Arctostaphylos manzanita subsp. manzanita J. Clausen 1933-3-26 750 Sonoma Baker Ranch Kenwood, Adobe Canyon Comment
  UC535022  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 9 Sonoma residence of M. S. Baker Mt. Hood (w base of mt.) Comment
  UC572658  Arctostaphylos manzanita subsp. manzanita Herbert B. Kaufner 1937-2-26 9 Napa Upper Mill Creek Canyon 335 Comment
  UCD95691  Arctostaphylos manzanita subsp. manzanita Ellen Dean; with Clare Loughran 2011-5-20 7037 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 599 Comment
  UCD95921  Arctostaphylos manzanita subsp. manzanita Ellen Dean; with Clare Loughran 2011-5-20 7055 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  SEINET2028691 Image available Arctostaphylos stanfordiana B. F. Copeland 1933-3-18 A 11 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa Comment
  UC535020  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 11 Sonoma Spring Mountain Rd about 8 mi e Santa Rosa Comment
  UCD95692  Arctostaphylos stanfordiana subsp. decumbens Ellen Dean; with Clare Loughran 2011-5-20 7038 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 599 Comment
  RSA123384  Arctostaphylos stanfordiana subsp. stanfordiana A. E. Wieslander 1934-2-24 365 Napa Spring Mountain. 640 Comment
  GH362476  Arctostaphylos viscida A. A. Heller & H. E. Brown 1902-3-31 5194 Unknown Mt. Hood Comment
  SDSU2845  Arctostaphylos viscida D. F. Howe 1972-2-20 4805 Sonoma Trinity Road, Mt. Mood Range. Note: Label states 5,800 feet altitude, beyond maximum for county, changed to 2,800 feet. 878 Comment
  RSA8490  Arctostaphylos viscida subsp. pulchella J. T. Howell 1933-4-2 10939 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC47465  Arctostaphylos viscida subsp. viscida John Thomas Howell 1933-4-2 10939 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC47470  Arctostaphylos viscida subsp. viscida Stephen W. Edwards 1981-2-16 s.n. Sonoma north of Adobe Canyon Road, just outside of w. boundary Sugarloaf Ridge State Park. Comment
  JEPS32463  Aristolochia californica W. L. Jepson 1939-9-12 19479 Napa York Creek near St. Helena Comment
  UC185097  Aristolochia californica H. P. Chandler 1907-5-30 7599 Napa St. Helena, White Sulphur Spring Comment
  UC6152  Aristolochia californica Mrs. D. O. Hunt 1899-2-27 Napa roadside near Lyman's Meadow, St. Helena St. Helena, Lyman's Meadow Comment
  UCD137811  Aristolochia californica Frederica Bowcutt; Jeff Kennedy , Jolie Henricks 1994-5-1 1762 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  JEPS343  Aspidotis californica F. T. Bioletti 1892-5-15 Sonoma Hoods Peak Comment
  UC42400  Aspidotis californica F. T. Bioletti 1892-5-15 Sonoma Hood's Peak Comment
  SJSU1350  Aspidotis densa J. W. Tilden 1953-5-24 1036 Napa Mt. St. Helena 457 Comment
  UC399500  Aspidotis densa Michener and Bioletti March 1893 Sonoma Hood's Peak Comment
  JEPS107259  Astragalus claranus Jake Ruygt 1998-4-14 3906 Napa East end of Taplin Road 106 Comment
  UCD75829  Astragalus claranus Jake Ruygt 1994-4-15 3347 Napa Lewelling Ranch, near Sulphur Springs Road, St. Helena. 103 Comment
  CAS-BOT-BC178295  Astragalus gambelianus L. R. Abrams 1928-5-3 12227 Napa St. Helena Grade Comment
  POM16009  Astragalus gambelianus F. T. Bioletti 1893-06 s.n. Sonoma Hoods Peak Comment
  UC19232  Astragalus gambelianus Michener and Bioletti June 1893 Sonoma Hood's Peak Comment
  CDA11340  Athysanus pusillus G. F. Hrusa 1995-4-2 12050 Napa North Coast Biodiversity Arena; Alongside Highway 128 at Lake Hennessey. Comment
  UCD144426  Avena barbata Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1789 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Campground S of Sonoma Creek approx. 125 yds. 1/4 mile NW of confluence with Rattlesnake Creek. 350 Comment
  UCD56320  Avena fatua Gerry North 1993-4 50 Sonoma 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. On Vista trail 1/2 mile NE of fork with Bald Mountain trail. Sugarloaf Ridge State Park. 556 Comment
  UCD72386  Avena fatua Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1790 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Campground S of Sonoma Creek approx. 125 yds. 1/4 mile NW of confluence with Rattlesnake Creek. 350 Comment
  UCD95912  Berberis aquifolium var. repens Ellen Dean; with Clare Loughran 2011-5-20 7051 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  CAS-BOT-BC15952  Boechera breweri subsp. breweri A. A. Heller; H. E. Brown 1902-3-31 5190 Sonoma Mount Hood. Comment
  JEPS106771  Boechera breweri subsp. breweri Jake Ruygt 1981-4-4 969 Napa Three Peaks 743 Comment
  JEPS110705  Boisduvalia densiflora Jake Ruygt 1982-6-29 1348 Napa .3 miles south of Old Bale Mill on HWY 29 85 Comment
  CAS-BOT-BC418501  Boykinia occidentalis A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma creek, at the foot of Mt. Hood Comment
  GH363690  Boykinia occidentalis A. A. Heller 1902-6-26 5772 Unknown Along Sonoma creek, at the foot of Mt. Hood Comment
  POM142187  Boykinia occidentalis A. A. Heller 1902-6-26 5772 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UC420422  Boykinia occidentalis Milo S. Baker 1898-1 Sonoma Santa Rosa Canyon Comment
  UCD57095  Brachypodium distachyon Frederica Bowcutt 1996-5-23 2151 Sonoma 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. 1 air mile south of Red Mountain. Lower Bald Mountain Trail. 472 Comment
  UCD57165  Briza maxima Gerry North 1993-4 15 Sonoma 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. At first pullout on right after Goodspeed trailhead. Less than 0.2 miles east of park entrance gate. 243 Comment
  UCD57166  Briza maxima Gerry North 1993-4 44 Sonoma 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. At first pullout on right after Goodspeed trailhead. Less than 0.2 miles east of park entrance gate. 243 Comment
  UCD139130  Brodiaea elegans subsp. elegans J. Buck 1996-6-2 22 Napa Highway 128 by Hennessey Lake on the side of the road. 48 Comment
  UCD139132  Brodiaea elegans subsp. elegans Frederica Bowcutt 1994-6-12 1847 Sonoma 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. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. about 20 ft. Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  UCD95684  Bromus arizonicus Ellen Dean; with Clare Loughran 2011-5-20 7029 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  CDA43044  Bromus commutatus G. Radieve & J. Curtis 2014-4-14 Sono 0479 Sonoma Sugarloaf Ridge State Park. 0 Comment
  CHSC25161  Bromus diandrus J. E. Beitler 1970-4-19 37 Napa Around York Creek bridge W. side of Spring Mountain Road, ca. 1.7 mi. N.W. of junction of Spring Mountain Road and York Lane. St. Helena. Comment
  UC903718  Bromus diandrus Milo S. Baker 1947-5-5 11730 Sonoma Hood Mountain, near nw corner of M.S. Baker property, (East Grant line) Hood Mountain Comment
  UCD58521  Bromus diandrus Gerry North 1993-4 1 Sonoma 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. At Goodspeed trailhead pullout. On bank edge above Sonoma Creek. 213 Comment
  UCD66095  Bromus hordeaceus Frederica Bowcutt; Jeff Kennedy (Det.) and Jolie Hendricks 1994-5-1 1751 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; ~11 air miles E of Santa Rosa; ~18 air miles NW of Napa; ~1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along Goodspeed Trail ~1/8 mile from trail head on Adobe Canyon Rd. 213 Comment
  UC37643  Bromus laevipes Michener and Bioletti 1893-6-10 112 Sonoma Hood's Peak Comment
  UCD144423  Bromus laevipes Frederica Bowcutt; Jeff Kennedy (Det.) and Jolie Hendricks 1994-5-1 1752 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; ~11 air miles E of Santa Rosa; ~18 air miles NW of Napa; ~1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along Goodspeed Trail ~1/8 mile from trail head on Adobe Canyon Rd. 213 Comment
  UCD58951  Bromus laevipes Gerry North 1993-4 20 Sonoma 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. Second pullout on right after park entrance. 0.3 miles from Goodspeed trailhead. 50 m south of Pony Gate Gulch Creek crossing. 274 Comment
  UCD95906  Bromus laevipes Ellen Dean; with Clare Loughran 2011-5-20 7047 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  UC903721  Bromus madritensis subsp. rubens Milo S. Baker 1947-5-7 11724 Sonoma Hood Mountain, near Grant Line Hood Mountain 228 Comment
  UC903719  Bromus mollis Milo S. Baker 1947-5-7 11741 Sonoma Hood Mountain near Grant Line; Hood Mountain 228 Comment
  UCD59060  Bromus orcuttianus Gerry North 1993-4 3 Sonoma 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. At Goodspeed trailhead pullout. On bank edge above Sonoma Creek. 213 Comment
  UCD58959  Bromus rubens subsp. rubens Gerry North 1993-4 18 Sonoma 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. At first pullout on right after Goodspeed trailhead. Less than 0.2 miles east of park entrance gate. 243 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
  SD6492  Calochortus amabilis Michener, Bioletti 1891-1 2122 a Sonoma Hood's Peak. Comment
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May 14 2010
  UC72483  Calochortus amabilis Milo S. Baker 1898-4-23 29 Sonoma Santa Rosa Creek Canyon Comment
  UCD139529  Calochortus luteus Frederica Bowcutt 1994-6-12 1850 Sonoma 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. Along Pony Gate Trail 75 yards N of Sonoma Creek. 411 Comment
  UC625514  Calochortus uniflorus Frank W. Gould 1938-4-3 110 Napa 1.5 mi nw St. Helena 91 Comment
  GH376887  Calycanthus occidentalis S. Hayes 1858-11-14 249 Unknown White Sulphur Springs Comment
  OBI49312  Calycanthus occidentalis Michener & Bioletti, Bioletti Jun 1893 s.n. Sonoma Hoods Peak Comment
  POM149134  Calycanthus occidentalis Michener, Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  RSA456153  Calycanthus occidentalis E. S. Spalding 1924-7-4 s.n. Napa White Sulphur Springs Canon, near St. Helena. Comment
  RSA456154  Calycanthus occidentalis E. S. Spalding 1924-7-4 s.n. Napa White Sulphur Springs Canon, near St. Helena. Comment
  UC192556  Calycanthus occidentalis Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  UCD137794  Calycanthus occidentalis Frederica Bowcutt 1994-5-1 1764 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles N of Kenwood. In Adobe Canyon along Sonoma Creek just east of confluence with Bear Creek, near bridge over Sonoma Creek. Godspeed trail about 30 yards from trailhead. 198 Comment
  UCD126065  Calystegia collina Jennifer Bury; Peggy Herzog 1993-5-8 275 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 396 Comment
  UCD125693  Calystegia purpurata subsp. purpurata Frederica Bowcutt 1994-5-1 1749 Sonoma Sugarloaf Ridge State Park. About 40 air miles north of San Francisco; about 11 air miles E of Santa Rosa; about 2.5 air miles N of Kenwood. Adobe Canyon along Goodspeed Trail about 1/8 mile from trail head on Adobe Canyon Road. 213 Comment
  JEPS6118  Campanula angustiflora Milo S. Baker 1947-5-8 11756 Sonoma w slope Hood Mt. (at top of Rose Butte); Rose Butte 243 Comment
  UC903745  Campanula angustiflora Milo S. Baker 1947-5-8 11756 Sonoma at top Rose Butte; Hood Mt. 243 Comment
  CAS-BOT-BC37587  Cardamine californica Willis Linn Jepson 1896-2-22 s.n. Napa Napa River Basin. Hills of St. Helena. Comment
  UCD114539  Cardamine oligosperma Frederica Bowcutt 1994-5-1 1757 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. Along Sonoma Creek, just E of Bear Creek near bridge over Sonoma Creek. On Goodspeed Trail about 30 yards from trail head; along Sonoma Creek. 198 Comment
  UCD129926  Carduus tenuiflorus Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1771 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trailhead along Adobe Canyon Road S of Sonoma Creek. 198 Comment
  CDA11435  Carex amplifolia G. F. Hrusa, M. Tu 1995-5-6 12158 Napa North Coast Biodiversity Arena; In wet creek bed under shade of redwoods along Moores Creek in Las Posadas State Forest. Dense rhizomatous colony. Comment
  UCD140076  Carex amplifolia Frederica Bowcutt; Jeff Kennedy, Jolie Henricks 1994-5-1 1776 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles northwest of Napa; about 1.5 air miles NE of Kenwood. In main campground around 150 yards south of Sonoma Creek. 1/4 mile NW of confluence with Rattlesnake Creek at the toe of Sugarloaf Ridge. 350 Comment
  UCD140186  Carex buxbaumii Frederica Bowcutt 1994-6-12 1851 a Sonoma 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. Adobe Canyon along Pony Gate Trail along east west trending stretch before entering woodland. 411 Comment
  SEINET11052782  Carex densa Ellen Dean, Clare Loughran 2011-5-20 7064 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road, west of town of St. Helena. 615 Comment
  UCD140258  Carex densa Frederica Bowcutt 1994-5-1 1785 Sonoma Sugarloaf Ridge State Park. About 40 air miles north of San Francisco. About 11 air miles east of Santa Rosa. About 1.5 air miles north of Kenwood. About 18 air miles northwest of Napa. In main campground. Ca. 150 yards south of Sonoma Creek; 1/4 mile NW of confluence with Rattlesnake Creek at toe of Sugarloaf Ridge. 350 Comment
  UCD95934  Carex densa Ellen Dean; with Clare Loughran 2011-5-20 7064 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  UCD140351  Carex globosa Frederica Bowcutt 1994-5-1 1760 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa and 2.5 air miles NE Kenwood and 18 air miles NW of Napa. Adobe Canyon along Goodspeed Trail about 200 yards from just E of Bear Creek about 5 yards N of confluence with Sonoma Creek about 40 yards. Comment
  CAS-BOT-BC119580  Carex nudata John Thomas Howell 1933-4-2 10931 Sonoma Sonoma Creek Canyon Comment
  CDA12282  Carex nudata G. F. Hrusa 1988-2-21 5500 Sonoma North Coast Biodiversity Arena; Sugarloaf Ridge State Park. Upper end of main valley. Comment
  UCD140692  Carex nudata Frederic Hrusa 1988-2-21 5500 Sonoma Sugarloaf Ridge State Park. Upper end of main valley in moist area along creek. 400 Comment
  UCD95689  Carex subfusca Ellen Dean; with Clare Loughran 2011-5-20 7035 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  JEPS11921  Castilleja attenuata Francis W. Pennell 1940-7-3 26042 Sonoma ne of Kenwood; Hoods Peak 731 Comment
  UC1012385  Castilleja attenuata Francis W. Pennell 1940-7-3 26042 Sonoma ne of Kenwood; Hoods Peak 731 Comment
  UC76118  Castilleja attenuata Milo S. Baker 1898-4-23 615 Sonoma Santa Rosa Creek Canyon Comment
  UC26422  Castilleja foliolosa Willis L. Jepson 1893-4-25 Napa Napa River Basin; trail to Caux's Cabin Comment
  CAS-BOT-BC241284  Castilleja latifolia Peter H. Raven 1954-2-22 6416 Napa Hills n. of White Sulphur Ck., W. of Saint Helena 152 Comment
  JEPS16300  Castilleja minor subsp. spiralis Milo S. Baker 1926-9-26 198 Sonoma Hood Mt. 609 Comment
  CAS-BOT-BC48508  Ceanothus confusus Walter Knight 1963-4-28 s.n. Sonoma Head of Adobe Canyon, south part of Hoods Peak Comment
  CAS-BOT-BC48519  Ceanothus confusus John Thomas Howell 1933-4-2 10937 Sonoma Mt. Hood, Sonoma Creek Canyon Comment
  CAS-BOT-BC83812  Ceanothus confusus D. O. Burge; Steven Kembel 2008-5-29 1003 c Sonoma Mayacmas Mountains, western slope of Mount Hood 560 Comment
  CAS-BOT-BC83848  Ceanothus confusus D. O. Burge 2008-5-31 1005 c Napa Mayacmas Mountains, York Creek 200 Comment
  CAS-BOT-BC83850  Ceanothus confusus D. O. Burge 2007-4-10 833 a Sonoma SE flank of Mount Hood, near the junction of Bear Creek and Sonoma Creek 1000 Comment
  SBBG119963  Ceanothus confusus A. Howald 2007-4-2 2456 Sonoma Goodspeed Trail just below highest pt of trail, E of Peirson Rd, ca. 0.6 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 310 Comment
  SBBG119964  Ceanothus confusus A. Howald 2007-4-2 2459 Sonoma Goodspeed Trail above Sonoma Crk, ca. 0.3 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 260 Comment
  SBBG119965  Ceanothus confusus A. Howald 2007-4-2 2457 Sonoma Peirson Rd, ca. 0.6 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 280 Comment
  SBBG122268  Ceanothus confusus D. O. Burge 2007-4-10 833 b Sonoma Goodspeed Trail, near jct of Bear Crk and Sonoma Crk, SE flank of Mount Hood 200 Comment
  SBBG122273  Ceanothus confusus D. O. Burge 2008-5-31 1005 b Napa Spring Mtn Rd near small reservor at BM 626, 1.7 rd mi W of intersection with Madrona Ave, York Crk, Mayacmas Mtns 200 Comment
  SBBG122274  Ceanothus confusus D. O. Burge 2008-5-29 1003 b Sonoma Panorama Ranch Trail, 6.1 km NNW of Kenwood, W slope of Mount Hood; Hood Mtn Regional Park 560 Comment
  UC18317  Ceanothus confusus Michener and Bioletti March 1898 1898 Sonoma Hood's Peak Comment
  UC73361  Ceanothus confusus Milo S. Baker 1899-2-22 Sonoma Mt. Hood Comment
  UC80039  Ceanothus confusus Alice Eastwood 1893-4-27 Sonoma Hood Mountain Comment
  UCD111360  Ceanothus confusus Frederica Bowcutt; Adam Green 1994-5-1 1752 c Sonoma Sugarloaf Ridge State Park. About 50 air miles north of San Francisco; about 10 air miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trail about 1/8 mile from trail head on Adobe Canyon Road. 213 Comment
  UCD95690  Ceanothus cuneatus Ellen Dean; with Clare Loughran 2011-5-20 7036 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  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
  UC18282  Ceanothus cuneatus var. cuneatus Mrs. D. O. Hunt 1899-2-27 Napa near Villa Remi, St. Helena. Glass Mt. Comment
  UC18283  Ceanothus cuneatus var. cuneatus Willis L. Jepson 1893-4-25 Napa trail to Caux's cabin. Napa River Basin Comment
  A349243  Ceanothus divergens J. T. Howell 1941-6-21 16320 Unknown Hills southwest of St. Helena Comment
  A349244  Ceanothus divergens J. T. Howell 1941-3-9 16154 Unknown SW. of St. Helena Comment
  CAS-BOT-BC64441  Ceanothus divergens John Thomas Howell 1941-6-21 16320 Napa Hills sw. of St. Helena. Comment
  GH349253  Ceanothus divergens A. A. Heller 1902-6-26 5765 Unknown along Sonoma creek, at the foot of Mt. Hood Comment
  POM136262  Ceanothus divergens A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  SBBG119966  Ceanothus divergens A. Howald 2007-4-2 2458 Sonoma Peirson Rd, ca. 0.6 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 275 Comment
  POM203619  Ceanothus divergens subsp. confusus J. T. Howell 1933-4-2 10937 Sonoma Sonoma Creek Canyon. Comment
  RSA754440  Ceanothus divergens subsp. confusus Dylan O. Burge 2007-4-10 DOB 833 d Sonoma SE flank of Mount Hood, near the junction of Bear Creek and Sonoma Creek, along the Goodspeed Trail, 3.44 km 19 degrees true NNE of Kenwood. 200 Comment
  UCD123475  Ceanothus divergens subsp. confusus D. O. Burge 2007-4-10 833 e Sonoma Southeast flank of Mount Hood, near the junction of Bear Creek and Sonoma Creek, along the Goodspeed Trail . 3.44 km 19 deg. (True) NNE of Kenwood. 200 Comment
  POM136437  Ceanothus foliosus A. A. Heller, H. E. Brown 1902-5-29 s.n. Sonoma Mt. Hood. Comment
  UC79975  Ceanothus foliosus Alice Eastwood 1893-4-27 Sonoma Hood Mountain Comment
  CAS-BOT-BC49909  Ceanothus foliosus var. foliosus Michener; Bioletti 1893-6-1 s.n. Sonoma Hoods Peak Comment
  CAS-BOT-BC49910  Ceanothus foliosus var. foliosus A. A. Heller; H. E. Brown 1902-5-29 5619 Sonoma Mt. Hood Comment
  CAS-BOT-BC50878  Ceanothus foliosus var. foliosus Ella Dales Cantelow 1939-4-8 2524 Napa 4 1/2 mi. s.w. of Pac Union College, Howell Mt. Comment
  UCD95694  Ceanothus foliosus var. foliosus Ellen Dean; with Clare Loughran 2011-5-20 7041 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  GH349693  Ceanothus jepsonii W. L. Jepson 1924-4-27 10321 Unknown Howell Mt., a little below Joland House on Sanitorium Road 548 Comment
  JEPS42435  Ceanothus jepsonii var. jepsonii W. L. Jepson 1924-4-27 10321 Napa a little below Toland House on Sanitarium Road Howell Mt. 548 Comment
  JEPS42216  Ceanothus oliganthus var. sorediatus W. L. Jepson 1893-4-25 14005 Napa w St. Helena (Caux's Knob) Comment
  UC73365  Ceanothus oliganthus var. sorediatus Milo S. Baker 1898-4-23 27 Sonoma Santa Rosa Creek Canyon Comment
  UC75645  Ceanothus oliganthus var. sorediatus Milo S. Baker 1898-4-23 27 Sonoma Santa Rosa Canyon Comment
  CAS-BOT-BC51889  Ceanothus parryi A. A. Heller; H. E. Brown 1902-5-29 5620 Sonoma Mt. Hood Comment
  CAS-BOT-BC51891  Ceanothus parryi A. A. Heller; H. E. Brown 1902-5-29 5620 Sonoma Mt. Hood Comment
  GH425050  Ceanothus parryi A. A. Heller & H. E. Brown 1902-5-29 5620 Unknown Mt. Hood Comment
  JEPS110731  Ceanothus parryi Jake Ruygt 1976-4-23 18 Napa 2.1 miles NE of Silverado Trail on Deer Park Road 213 Comment
  POM136669  Ceanothus parryi A. A. Heller, H. E. Brown 1902-5-29 5620 Sonoma Mt. Hood. Comment
  UC1071243  Ceanothus parryi A. Lewis 1932-5-14 77 Sonoma Calabasas Creek Napa Quadrangle 457 Comment
  UC1071246  Ceanothus parryi A. E. Wieslander 1934-2-24 366 Napa Spring Mountain Calistoga Quadrangle Comment
  UC18395  Ceanothus parryi Willis L. Jepson 1893-4-25 Napa w St. Helena (trail to Caux's Cabin); Napa River Basin, w of St. Helena Comment
  UC73362  Ceanothus parryi Milo S. Baker 1898-4-23 28 Sonoma Santa Rosa Creek Canyon Comment
  UCD95896  Ceanothus parryi Ellen Dean; with Clare Loughran 2011-5-20 7042 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  UCD95981  Ceanothus parryi Ellen Dean; with Clare Loughran 2011-5-20 7070 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
  RSA202156  Ceanothus purpureus W. L. Jepson 1924-4-27 10321 Napa Howell Mt., a little below Toland House on Sanitarium road. 549 Comment
  CAS-BOT-BC53047  Ceanothus sonomensis A. A. Heller 1902-6-26 5765 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  CAS-BOT-BC53049  Ceanothus sonomensis Michener; Bioletti 1893-3-1 s.n. Sonoma Hoods Peak Comment
  CAS-BOT-BC83739  Ceanothus sonomensis D. O. Burge 2007-4-27 897 a Sonoma Mayacmas Mountains, Hood Mountain Regional Park and Open Space Preserve 480 Comment
  RSA755234  Ceanothus sonomensis Dylan O. Burge 2007-4-27 DOB 897 c Sonoma Mayacmas Mts.: Hood Mt. Regional Park and Open Space Preserve, west flank of Mount Hood, on Valley View Trail, accessed via Lower Johnson Ridge Trail, Pond Trail, and Valley View Trail., (parking 1.2 road miles E of SR 12 on Pythian Road), 11 km 339 degrees true NNW of Glen Ellen. 480 Comment
  UCD112699  Ceanothus sonomensis Jennifer Bury; Peggy Herzog 1993-5-8 264 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 381 Comment
  JEPS51345  Cerastium glomeratum W. L. Jepson 1900-3-10 529 Napa near St. Helena Comment
  SEINET7073047  Cerastium glomeratum A. G. Vestal 1963-4-7 s.n. Napa Low flat about 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD27. Comment
  POM203653  Cercocarpus betuloides J. T. Howell 1933-4-2 10938 Sonoma Sonoma Creek Canyon. Comment
  SEINET176827  Cercocarpus betuloides John T. Howell 1933-4-2 10938 Sonoma Sonoma Creek Canyon Comment
  UC518989  Cercocarpus betuloides var. betuloides J. Clausen 1933-3-25 734 Sonoma Santa Rosa Creek Canyon 182 Comment
  CAS-BOT-BC284566  Chaenactis glabriuscula var. heterocarpha John Thomas Howell 1941-6-22 16321 Napa Hills sw. of St. Helena Comment
  UC1481824  Cheilanthes covillei Milo Baker 1902-4 4 a Sonoma Hood Mt Comment
  UC42411  Cheilanthes covillei F. T. Bioletti 1892-5-15 Sonoma Hood's Peak Comment
  UC205112  Cheilanthes intertexta Michener and Bioletti March 1893 Sonoma Hood's Peak Comment
  JEPS59710  Chenopodium ambrosioides W. L. Jepson 1894-11-7 Napa St. Helena Comment
  JEPS59711  Chenopodium ambrosioides W. L. Jepson 1894-11-5 Napa St. Helena Comment
  JEPS59713  Chenopodium ambrosioides W. L. Jepson 1892-10-22 Napa St. Helena Napa River Comment
  SD8120  Chorizanthe membranacea Michener, Bioletti 1892-5-30 521 a Sonoma Hoods Peak Comment
  JEPS35982  Cichorium intybus W. L. Jepson 1917-8-16 7432 Napa St. Helena Comment
  CAS-BOT-BC288695  Cirsium remotifolium John Thomas Howell 1941-6-21 16314 A Napa Hills SW of St Helena Comment
  CAS-BOT-BC288696  Cirsium remotifolium John Thomas Howell 1941-6-21 16314 A Napa Hills SW of St Helena Comment
  JEPS126096  Cistus incanus Jake Ruygt 1979-5-20 625 Napa 0.2 miles north of Glass Mountain Road on Silverado Trail. Saint Helena 7.5' Qua. Comment
  CAS-BOT-BC172205  Clarkia concinna A. A. Heller 1902-6-26 5776 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UCD104414  Clarkia concinna J. Buck 1996-6-2 21 Napa 5 miles SE of Calistoga along Highway 128. 97 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
  UC20370  Clarkia purpurea subsp. quadrivulnera F. T. Bioletti 1892-1 Sonoma Hood's Peak Comment
  UCR261657  Claytonia exigua subsp. exigua Ann Howald 2003-3-8 2275 Sonoma Inner North Coast Ranges, Mayacamas Mountains, Sugarloaf Ridge State Park, McCormick Addition, ca. 0.1 mile east of intersection of Headwaters Trail and Grandmother Oaks Trail 450 Comment
  CHSC25144  Claytonia parviflora subsp. parviflora J. E. Beitler 1970-4-12 17 Napa Found at bottom of N.E. rail support below bridge over dam of Lower Spring Mountain reservoir. Comment
  A369520  Clematis lasiantha C. A. Purpus Unknown Mt. Hood Comment
  GH369564  Clematis lasiantha A. A. Heller & H. E. Brown 1902-5-29 5623 Unknown Mt. Hood Comment
  POM151219  Clematis lasiantha A. A. Heller, H. E. Brown 1902-5-29 5623 Sonoma Mt. Hood. Comment
  UC9065  Clematis lasiantha Willis L. Jepson 1893-4-25 Napa trail to <Caux's> Cabin Mt. St. Helena Comment
  UC9066  Clematis lasiantha Willis L. Jepson 1893-4-25 Napa trail to <Caux's ?> Cabin Napa R. Basin Comment
  JEPS34516  Collinsia tinctoria Freed W. Hoffman 1948-8-2 2356 Sonoma on way to Rincon Valley St. Helena (near summit of Spring Mtn Rd); North Coast Ranges 609 Comment
  UC1238979  Collinsia tinctoria Freed W. Hoffman 1948-8-2 2356 Sonoma Spring Mountain Road to St. Helena near summit St. Helena; North Coast Ranges, Spring Mountain Road 609 Comment
  CAS-BOT-BC238227  Cordylanthus tenuis subsp. brunneus Francis W. Pennell 1940-7-3 26044 Sonoma Hoods Peak, n.e. of Kenwood 731 Comment
  RSA412354  Cordylanthus tenuis subsp. brunneus Francis W. Pennell 1940-7-3 26044 Sonoma Hoods Peak, NE of Kenwood 701 Comment
  SBBG84042  Cordylanthus tenuis subsp. brunneus F. W. Pennell 1940-7-3 26044 Sonoma summit, Hoods Peak, NE of Kenwood 701 Comment
  UC1012239  Cordylanthus tenuis subsp. brunneus Francis W. Pennell 1904-7-3 26044 Sonoma ne Kenwood (summit); Hoods Peak 701 Comment
  UC412933  Cornus glabrata H. P. Chandler 1907-5-30 7598 Napa St. Helena, White Sulphur Spring Comment
  UCD110060  Corylus cornuta subsp. californica Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1767 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  UC963925  Crocanthemum scoparium var. vulgare Milo S. Baker 1947-5-30 11770 Sonoma sw slope Hood Mt. Comment
  UC24696  Cryptantha muricata F. T. Bioletti 1890-1 Sonoma Hood Peak Comment
  UC280368  Cryptantha torreyana Milo S. Baker 1898-4-23 620 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC85429  Cupressus sargentii W. Knight; Irja Knight 1964-11-15 799 Sonoma Hood's Peak - N.W. edge of meadow above Johnson Dam Comment
  CAS-BOT-BC85430  Cupressus sargentii W. Knight; Irja Knight 1964-11-15 799 Sonoma Hood's Peak - N.W. edge of meadow above Johnson Dam Comment
  UCD132950  Cupressus sargentii Frederica Bowcutt 1997-7-18 2187 Sonoma 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. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  UCD132952  Cupressus sargentii Frederica Bowcutt 1997-7-18 2187 Sonoma 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. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  UCD119156  Cynoglossum grande Botany 102 Students 1993-4-24 86 Sonoma 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. S of Sonoma Creek. About 2 air miles S of Bald Mtn. Mid slope on Hillside Trail. 411 Comment
  UCD119158  Cynoglossum grande Frederica Bowcutt; Kate Mawdsley 1996-3-24 2090 Sonoma 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. About 1 1/2 air miles W of Mount Saint John, along Brushy Peaks Trail just S of Malm Fork of Sonoma Creek. 426 Comment
  UCD95902  Cynoglossum grande Ellen Dean; with Clare Loughran 2011-5-20 7045 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  UCD95967  Cynoglossum grande Ellen Dean; with Clare Loughran 2011-5-20 7062 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 612 Comment
  UCSB28101  Cynoglossum grande Phelps, M. 1972-2-18 Sonoma 1000 yds. west of Old Bale Mill Historic Landmark, St. Helena 365 Comment
  CAS-BOT-BC190369  Cynosurus cristatus John Thomas Howell 1943-6-20 18239 Napa Hills southwest of St. Helena. Comment
  UCD60140  Cynosurus echinatus Gerry North 1993-4 47 Sonoma Flora of Sugarloaf Ridge State Park. Ca. 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood and 18 air miles northwest of Napa. At first pullout on right after Goodspeed trailhead, less that 0.2 mile east of park entrance gate. 243 Comment
  UCD60159  Cynosurus echinatus Gerry North 1993-4 21 Sonoma Flora of Sugarloaf Ridge State Park. About 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood and 18 air miles northwest of Napa. Second pullout on right after park entrance. 0.3 mile from Goodspeed trailhead. 50m south of Pony Gate Gulch Creek crossing. 274 Comment
  UC1606175  Cyrtomium falcatum Liz Parsons and Wendy Born Dec 1995 Sonoma s slope Hood Mt; Hood Mt Regional Park Comment
  CAS-BOT-BC70724  Cystopteris fragilis A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UCD144428  Danthonia californica Frederica Bowcutt; Jolie Hendricks, Jeff Kennedy 1994-5-1 1793 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Campground S of Sonoma Creek approx. 125 yds. 1/4 mile NW of confluence of Rattlesnake Creek, meadow in center of campground. 350 Comment
  UCD95974  Danthonia californica var. californica Ellen Dean; with Clare Loughran 2011-5-20 7068 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  UC118585  Delphinium hesperium subsp. hesperium Michener and Bioletti 1892-5-30 932 a Sonoma Hood's Peak Comment
Read comments
Jun 5 2007
  UC118641  Delphinium nudicaule J. W. Blankinship 1893-4-27 Sonoma Hood Mountain Comment
  UC9209  Delphinium nudicaule Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin; Napa River Basin 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
  UC118589  Delphinium variegatum F. T. Bioletti Sonoma Hood Mountain Comment
  CAS-BOT-BC26766  Dendromecon myrtifolia Amos Arthur Heller; H. E. Brown 1902-5-29 5618 Sonoma Mt. Hood Comment
  CAS-BOT-BC5964  Dendromecon myrtifolia Amos Arthur Heller; H. E. Brown 1902-5-29 5618 Sonoma Mt. Hood Comment
  GH7419  Dendromecon myrtifolia A. A. Heller & H. E. Brown 1902-5-29 5618 Unknown Mt. Hood Comment
  NY387587  Dendromecon myrtifolia A. A. Heller 1902-5-29 5618 Sonoma Mt. Hood Comment
  UC9989  Dendromecon rigida Willis L. Jepson 1893-4-25 Napa w St. Helena; Napa River Basin, Caux's Cabin Comment
  SEINET7072770  Dichelostemma capitatum A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  UCD96200  Dichelostemma multiflorum Ellen Dean; with Clare Loughran 2011-5-20 7078 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  CAS-BOT-BC152039  Diplacus aurantiacus Walter Knight; Irja Knight 1963-10-27 441 Sonoma Spring Mt. Road Comment
  CAS-BOT-BC152042  Diplacus aurantiacus Francis W. Pennell 1940-7-2 26033 Sonoma Mountain northeast of Kenwood Springs 274 Comment
  CHSC25142  Diplacus grandiflorus J. E. Beitler 1970-4-19 30 Napa St. Helena. Directly opposite dam of Upper Spring Mountain reservoir on E. side of Spring Mountain Road. Comment
  JEPS61822  Disporum hookeri Willis L. Jepson 1893-4-25 Napa w of St. Helena (Napa River Basin, Trail to Caux's Cabin); Napa River Basin, Trail to Caux's Cabin Comment
  JEPS57131  Dodecatheon hendersonii L. R. Heckard 1967-5-7 1595 Sonoma near top Hood Peak; near top of Hood Peak 822 Comment
  JEPS9525  Dodecatheon hendersonii Willis L. Jepson 1893-4-25 14588 Napa w St. Helena (Caux's Cabin, Napa River Basin); Napa River Basin, w of St. Helena Comment
  UC420566  Drymocallis glandulosa var. wrangelliana H. P. Chandler 1907-5-14 7583 Napa St. Helena , St. Helena (White Sulphur Spring) Comment
  CAS-BOT-BC70810  Dryopteris arguta Irja Knight; Walter Knight 1964-11-15 783 Unknown Hood's Peak near Johnson Lake Comment
  JEPS103988  Dryopteris arguta Jake Ruygt 1978-3-12 238 Napa .9 mile east of Silverado Trail on Deer Park Road 152 Comment
  UCD136430  Dryopteris arguta Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1754 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trail approx. 200 yds. From just E of Bear Creek about 5 yds. N of confluence with Sonoma Creek. 198 Comment
  UCR228707  Dryopteris arguta Frederica Bowcutt, Jolie Henricks, Jeff Kennedy 1994-5-1 1754 Sonoma Sugarloaf Ridge State Park, c. 50 air mi N of San Francisco and c. 10 air mi east of Santa Rosa; c. 1.5 air mi N of Kenwood; c. 18 air mi NW of Napa. Adobe Canyon along Goodspeed Trail c. 200 yards from just east of Bear Creek c. 5 yards north of confluence with Sonoma Creek 198 Comment
  SEINET186064 Image available Echinochloa crus-galli V. E. Long 1931-8-22 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helena); near pumping plant 111 Comment
  UC585508  Echinochloa crus-galli Virginia E. Long 1931-8-22 104 a Napa (between Calistoga and Mt. St. Helena) Sullivan's Halfway Station 111 Comment
  UCD15828  Elymus glaucus J. D. DiTomaso 1998-5-18 s.n. Sonoma Sugarloaf Ridge State Park. 430 Comment
  UCD105386  Elymus glaucus subsp. glaucus Frederica Bowcutt 1994-6-12 1846 Sonoma 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. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. about 20 ft. Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  JEPS44029  Epilobium canum subsp. canum W. L. Jepson 1922-10-22 9834 Napa bed of White Sulphur Creek St. Helena Comment
  JEPS44032  Epilobium canum subsp. canum Willis L. Jepson 1903-9-7 2355 Napa York Creek Canyon Napa River Basin, St. Helena Comment
  CAS-BOT-BC171953  Epilobium canum subsp. latifolium Willis L. Jepson 1903-9-7 2355 Napa York Creek Canyon, Napa River Basin Comment
  RSA37535  Epilobium foliosum Milo S. Baker 1942-5-27 10204 Napa Summit of Spring Mt. Road, along road turning north, near boundary of Sonoma and Napa Counties 619 Comment
  SEINET7072772 Image available Epilobium minutum A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  UC429312  Epipactis gigantea Milo S. Baker 1898-1 Sonoma Santa Rosa Canyon Comment
  JEPS79608  Equisetum hyemale subsp. affine Edward Lee 1978-12-10 Sonoma Hood Mt. Park Comment
  UC211449  Equisetum hyemale subsp. affine Michener and Bioletti Mar, 1893 Sonoma Hood's Peak Comment
  CAS-BOT-BC57642  Equisetum telmateia Walter Knight; Irja Knight 1964-11-15 779 Sonoma Hood's Peak, near Johnson Lake Comment
  JEPS103965  Equisetum telmateia Jake Ruygt 1993-3-7 3169 Napa end of Conn Valley Rd. (county road) 97 Comment
  UCD135595  Equisetum telmateia subsp. braunii Frederica Bowcutt 1997-7-18 2180 Sonoma 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. Just south of midpoint between Mt. Hood and Red Mountain, West Bear Ck. 365 Comment
  UCD135599  Equisetum telmateia subsp. braunii Frederica Bowcutt 1997-7-18 2180 Sonoma 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. Just south of midpoint between Mt. Hood and Red Mountain, West Bear Ck. 365 Comment
  CAS-BOT-BC293624  Erigeron biolettii Walter Knight; Irja Knight 1963-10-27 411 Sonoma Spring Mt. Road Comment
  JEPS41425  Erigeron biolettii F. Bioletti 1893-6-1 Sonoma Hoods Peak Comment
  CAS-BOT-BC224154  Eriodictyon californicum Walter Knight; Irja Knight 1963-10-27 439 Sonoma Spring Mt Road Comment
  CAS-BOT-BC224155  Eriodictyon californicum Irja Knight; Walter Knight 1964-11-15 784 Sonoma Hood's [Hood] Peak in meadow above Johnson Dam Comment
  SEINET7064412  Eriogonum luteolum var. luteolum A. G. Vestal 1963-5-12 s.n. Napa Serpintine on Spring Mountain Road. (NAD83/WGS84). UTM Zone 10, 542003mE, 4263213mN. 299 Comment
  UC1299730  Eriogonum luteolum var. luteolum Freed W. Hoffman 1947-9-11 1375 Sonoma Spring Mountain road to St. Helena Comment
  CAS-BOT-BC298510  Eriophyllum confertiflorum John Thomas Howell 1941-6-21 16313 Napa Hills SW of St Helena Comment
  SEINET7072771  Eriophyllum confertiflorum A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  CAS-BOT-BC301149  Eriophyllum lanatum var. achilleoides A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC301285  Eriophyllum lanatum var. arachnoideum Walter Knight; Irja Knight 1963-10-27 396 Sonoma Spring Mt. Road Comment
  JEPS61367  Erodium botrys W. L. Jepson 1923-4-29 9884 Napa St. Helena Comment
  JEPS61372  Erodium botrys W. L. Jepson 1915-4-23 6268 Napa near St. Helena; Napa Valley Comment
  UCD103019  Erodium botrys Frederica Bowcutt 1994-5-1 1796 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon S of Sonoma Creek about 150 yards, 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge Campground. 350 Comment
  SJSU1353  Erythronium californicum J. W. Tilden 1953-5-24 1040 Napa NE slope Mt St Helena 457 Comment
  CDA31281  Eschscholzia californica D. G. Kelch 2006-10-4 6 .497 Sonoma Entrance to Bouverie Reserve. 2 km N of Agua Caliente along Rte 12. Comment
  UCD103207  Eucalyptus globulus Frederica Bowcutt 1997-7-18 2185 Sonoma 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. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  UC450203  Euphorbia crenulata Milo S. Baker 1898-4-23 694 Sonoma Santa Rosa Canyon Comment
  JEPS122944  Festuca arundinacea Jake Ruygt 1982-5-19 1276 Napa Tubb's Lane, Calistoga. Quad: Calistoga. Comment
  GH341783  Festuca californica A. A. Heller 1902-5-29 5629 Unknown Near the summit of Mt. Hood Comment
  UCD65833  Festuca californica Gerry North 1993-4 29 Sonoma 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. 0.6 miles from Goodspeed trailhead; north side of road. 358 Comment
  CAS-BOT-BC278345  Festuca californica subsp. californica L. R. Abrams 1928-5-3 12205 Napa St. Helena Grade Comment
  CAS-BOT-BC278414  Festuca idahoensis A. A. Heller 1902-5-29 5628 Sonoma Near the summit of Mt. Hood Comment
  GH341810  Festuca idahoensis A. A. Heller 1902-5-29 5628 Unknown Near the summit of Mt. Hood Comment
  UC38544  Festuca idahoensis Michener and Bioletti 1893-7-31 119 Sonoma Hood's Peak Comment
  UC38545  Festuca idahoensis Michener and Bioletti 1893-6-10 100 Sonoma Hood's Peak Comment
  UC38546  Festuca idahoensis F. T. Bioletti 1893-6-10 103 Sonoma Hood's Peak Comment
  JEPS17496  Foeniculum vulgare W. L. Jepson Nov. 1895 14235 Napa St. Helena Comment
  UC21052  Foeniculum vulgare W. L. Jepson Nov. 1895 Napa St. Helena Comment
  GH425772  Frangula californica A. A. Heller 1902-6-26 5768 Unknown Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC53270  Frangula californica subsp. californica Walter Knight; Irja Knight 1964-11-15 772 Sonoma Hood's Peak, Meadow above Johnson Dam Comment
  CAS-BOT-BC53283  Frangula californica subsp. californica A. A. Heller 1902-6-26 5768 Sonoma Along Sonoma creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC218581  Fraxinus latifolia Walter Knight; Irja Knight 1963-10-27 446 Sonoma Spring Mt. Road Comment
  UCD122047  Fraxinus latifolia Frederica Bowcutt 1994-5-1 1777 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon S of Sonoma Creek bout 150 yards, 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  UCD122049  Fraxinus latifolia Frederica Bowcutt 1997-7-18 2178 Sonoma 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. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  CHSC22970  Fritillaria affinis Robert A. Schlising; Et al. 1962-3-31 2126 Sonoma Ca 2 mi NE of Kenwood along road in to Sugarloaf Ridge. Comment
  CHSC25115  Fritillaria affinis J. E. Beitler 1970-3-29 5 Napa Path leading from Spring Mountain Road ca. 1.2 mi from Upper St. Helena Reservoir. Comment
  SJSU1354  Fritillaria affinis J. W. Tilden 1953-5-24 1039 Napa NE slope of Mt St Helena 457 Comment
  JEPS61784  Fritillaria recurva Wayne Roderick 1967-4-28 Sonoma 1 mi w of Hoods Peak (Charles Newman property) Comment
  UC197239  Fritillaria recurva Michener and Bioletti April 1892 Sonoma Hoods Peak Comment
  UC3634  Fritillaria recurva F. T. Bioletti 1892-1 Sonoma Hood's Peak Comment
  UC72490  Fritillaria recurva Milo S. Baker 1902-3-27 Sonoma Hood's Peak Comment
  SEINET7073048  Galium aparine A. G. Vestal 1963-4-7 s.n. Napa Low flat about 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD27. Comment
  POM63203  Galium bolanderi A. A. Heller 1902-5-29 5627 Sonoma Mt. Hood. Comment
  UC28195  Galium bolanderi F. T. Bioletti June 1893 Sonoma top Hood's Peak 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
  HSC19826  Galium divaricatum Michener, Bioletti 1892-7-1 Sonoma Hood's Peak Comment
  JEPS9662  Galium divaricatum Michener and Bioletti 1892-7-1 Sonoma Hoods Peak Comment
  POM63227  Galium divaricatum Michener, Bioletti 1892-7-1 s.n. Sonoma Hood's Peak Comment
  UC28160  Galium divaricatum Michener and Bioletti 1892-7-1 Sonoma Hood Peak Comment
  UC963917  Galium divaricatum Milo S. Baker 1947-5-12 11768 Sonoma along horse trail from Gray Ranch (sw slope of mt.); Hood Mt. 441 Comment
  UCD121863  Galium parisiense Frederica Bowcutt 1997-7-18 2181 Sonoma 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. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  UCD95696  Galium porrigens var. porrigens Ellen Dean; with Clare Loughran 2011-5-20 7034 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  UC55251  Garrya congdonii Milo S. Baker 1903-10-3 1 Sonoma Hood Mt. Comment
  UC55250  Garrya fremontii Milo S. Baker 1903-3-17 3 Sonoma Hood Mt. Comment
  UC71009  Gastridium ventricosum W. L. Jepson 1896-6-2 Napa St. Helena Comment
  UC903724  Gastridium ventricosum Milo S. Baker 1947-5-7 11746 Sonoma sw slope Hood Mt. (above Baker Ranch); sw slope of Hood Mt. 213 Comment
  UC903743  Gastridium ventricosum Milo S. Baker 1947-5-5 11727 Sonoma s slope Hood Mt. (above Baker ranch); s slope of Hood Mt. 213 Comment
  JEPS61469  Geranium dissectum H. P. Chandler 1907-5-14 7577 Napa St. Helena, White Sulphur Spring White Sulphur Spring; St. Helena, White Sulphur Spring Comment
  JEPS86271  Geranium dissectum H. P. Chandler 1907-5-14 7577 Napa St. Helena, White Sulphur Spring White Sulphur Spring; St. Helena, White Sulphur Spring Comment
  SEINET7072768  Githopsis pulchella A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  CAS-BOT-BC304892  Grindelia hirsutula John Thomas Howell 1929-6-30 4313 Napa 5 mile s. of Calistoga on highway to St. Helena, Napa Valley Comment
  UC903744  Guillenia lasiophylla Milo S. Baker 1947-4-22 11697 Sonoma near Kenwood (above Gray Ranch); Hood Mt. Comment
  UC30652  Harmonia nutans F. T. Bioletti 1892-5-15 Sonoma Hood's Peak; ; Hood's Peak, Sonoma Co. Comment
  JEPS122687  Hedypnois rhagadioloides Jake Ruygt 1984-3-28 1514 Napa West end of North Whitehall Lane. Quad: Rutherford. Comment
  CAS-BOT-BC314735  Helianthella californica var. californica A. A. Heller; H. E. Brown 1902-3-31 5192 Sonoma Mt. Hood Comment
  CAS-BOT-BC176030  Hesperolinon clevelandii Milo S. Baker 1947-5-7 11743 Sonoma Southwest slope of Hood Mt. above Baker Ranch 213 Comment
  UC1212325  Hesperolinon clevelandii Helen K. Sharsmith 1947-5-30 3966 Sonoma s slope of mountain near Grant line; Inner North Coast Ranges, Hood Mountain 243 Comment
  UC903717  Hesperolinon clevelandii Milo S. Baker 1947-5-7 11743 Sonoma sw slope just above Baker ranch; Hood Mt. 213 Comment
  JEPS122815  Hesperolinon micranthum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-21 298 Sonoma Goodspeed Trail, Sugarloaf Ridge S.P. Comment
  UC1212264  Hesperolinon micranthum Helen K. Sharsmith 1947-5-30 3965 Sonoma s slope of mountain near Grant line; Inner North Coast Ranges, Hood Mountain 243 Comment
  UC903740  Hesperolinon micranthum Milo S. Baker 1947-5-5 11728 Sonoma s slope of mountain above Baker Ranch; Inner North Coast Ranges, Hood Mt. 213 Comment
  JEPS112545  Hesperolinon spergulinum Jake Ruygt 1993-6-12 3283 Napa Lewelling Ranch, west of end Lewelling Lane. 185 Comment
  UC703179  Hesperolinon spergulinum John Thomas Howell 1941-6-21 16316 Napa hills sw St. Helena Comment
  CAS-BOT-BC149833  Heteromeles arbutifolia Walter Knight; Irja Knight 1964-11-15 771 Sonoma Above Johnson Dam, Hood's Peak Comment
  UCD113310  Heteromeles arbutifolia Jennifer Bury; Peggy Herzog 1993-5-8 257 Sonoma About air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. On south-facing rocky slope, 25 feet above parking lot, just off of Lower Bald Mountain Trail. 379 Comment
  JEPS2452  Heterotheca oregona var. compacta W. L. Jepson 1892-10-22 14680 Napa near St. Helena (Sulphur Springs Creek bed); Sulphur Springs Creek Comment
  UC31135  Heterotheca oregona var. compacta Willis L. Jepson 1892-10-22 Napa Sulphur Spring Creek bed Napa River Basin, Sulphur Spring Creek Comment
  JEPS2436  Heterotheca oregona var. rudis W. L. Jepson 1922-10-22 9833 Napa St. Helena, bed of White Sulphur Creek White Sulphur Creek Comment
  UCD161253  Heterotheca oregona var. rudis Jake Ruygt 2007-12-10 5261 Napa Sulphur Creek west of valley View Drive, St. Helena. (Coordinates estimated by label maker at UC Davis). 76 Comment
  UC420437  Heuchera micrantha var. erubescens H. P. Chandler 1907-5-14 7582 Napa White Sulphur Spring St. Helena Comment
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  UCD95933  Hieracium albiflorum Ellen Dean; with Clare Loughran 2011-5-20 7061 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 612 Comment
  JEPS53265  Hirschfeldia incana W. L. Jepson 1922-10-22 9831 Napa White Sulphur Creek bed St. Helena Comment
  UC735727  Hirschfeldia incana Charles B. Heiser Jr 1947-5-17 1910 Napa near St. Helena Comment
  CAS-BOT-BC152388  Holodiscus discolor var. discolor Walter Knight; Irja Knight 1963-10-27 447 Sonoma Spring Mt. Rd. Comment
  CAS-BOT-BC285094  Hordeum marinum subsp. gussoneanum L. R. Abrams 1928-5-3 12211 Napa St. Helena Grade Comment
  UCD81357  Hordeum marinum subsp. gussoneanum Frederica Bowcutt; Jolie Hendricks, Jeff Kennedy 1994-5-1 1791 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Campground S of Sonoma Creek approx. 125 yds. 1/4 mile NW of confluence of Rattlesnake Creek, meadow in center of campground. 350 Comment
  UC73773  Hordeum murinum subsp. leporinum J. Burtt Davy Apr. 1902 Napa St. Helena Comment
  UCD86247  Hordeum murinum subsp. leporinum Gerry North 1993-4 2 Sonoma 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. At Goodspeed trailhead pullout. On bank edge above Sonoma Creek. 213 Comment
  JEPS110558  Horkelia californica subsp. dissita Jake Ruygt 1982-6-29 1349 Napa .2 mile south south of Old Bale Mill on west side of HWY 29 97 Comment
  OBI48678  Hypericum concinnum Michener & Bioletti, Bioletti June 1893 s.n. Sonoma Hood's peak Comment
  UCD138724  Iris fernaldii Frederica Bowcutt 1994-5-1 1761 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE Kenwood. Along Sonoma Creek just E of Bear Creek near bridge over Sonoma Creek. On Goodspeed trail about 30 yards from trail head. 198 Comment
  JEPS126070  Iris longipetala Jake Ruygt 1999-4-24 4138 Napa Sugarloaf State Park, N of Bald Mountain McCormick Ranch Area. Kenwood 7.5' Quad. Comment
  UCD95898  Iris macrosiphon Ellen Dean; with Clare Loughran 2011-5-20 7043 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  UCD95917  Iris macrosiphon Ellen Dean; with Clare Loughran 2011-5-20 7053 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  SD147981  Juglans hindsii Stephanie Perez 1974-4-26 21 Napa Silverado Trail N. ca. 0.5 mile north of intersection with Deer Park Road. 152 Comment
  UCD110266  Juglans hindsii Frederica Bowcutt 1997-7-20 2202 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 3 air miles NE of Kenwood, 1.5 air miles ENE of Mt. Hood, 1 air mile NW of Bald Mtn. Bear Crk. Ranch in headwaters of the Bear Crk. 609 Comment
  UCD13101  Juglans hindsii Stephanie Perez 1974-4-26 21 Napa NAPA CO. Silverado Trail N. Approx 1/2 mi N of intersection with Deer Park Rd. Elevation 500'. 152 Comment
  UCD141323  Juncus balticus subsp. ater Frederica Bowcutt 1997-7-18 2182 b Sonoma 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. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge west of Bear Creek. 365 Comment
  UCD95978  Juncus balticus subsp. ater Ellen Dean; with Clare Loughran 2011-5-20 7069 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
  UCD141372  Juncus bufonius Jennifer Bury; Peggy Herzog 1993-5-8 251 b Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 371 Comment
  UCD144658  Juncus effusus subsp. pacificus Frederica Bowcutt 1994-5-1 1781 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco,10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. Campground S of Sonoma Creek about 150 yards. 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  UCD141617  Juncus nevadensis Frederica Bowcutt 1997-7-18 2182 a Sonoma 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. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge west of Bear Creek. 365 Comment
  JEPS122669  Juncus occidentalis Jake Ruygt 1982-5-26 1223 Napa 0.2 mile south of Old Bale Mill on Highway 29. Quad: Calistoga. Comment
  UCD95686  Juncus occidentalis Ellen Dean; with Clare Loughran 2011-5-20 7031 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  UCD95940  Juncus occidentalis Ellen Dean; with Clare Loughran 2011-5-20 7065 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  UCD142819  Juncus xiphioides Frederica Bowcutt 1997-7-18 2179 Sonoma 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. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  JEPS10895  Keckiella lemmonii W. L. Jepson 1937-9-27 18573 Napa ne of St. Helena (on road to Sanitarium); Glass Mountain Comment
  CDA18932  Lactuca virosa Butler, Dannenberg 2000-8-1 PDR 023555 Napa Napa Valley; Along Langtree Road, St. Helena. 0 Comment
  JEPS63243  Lamium amplexicaule Mrs. Clara A. Hunt 1909-3-24 Napa St. Helena Comment
  JEPS63244  Lamium amplexicaule Mrs. Clara A. Hunt 1909-3-30 Napa St. Helena Comment
  JEPS10162  Lasthenia californica subsp. californica W. L. Jepson 1893-4-25 Napa w St. Helena; Caux's Knob Comment
  UCD96188  Lathyrus cicera Ellen Dean; with Clare Loughran 2011-5-20 7072 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  JEPS107272  Lathyrus hirsutus Jake Ruygt 1994-6-4 3395 Napa Lewelling Ranch, Sulphur Springs Road; road to upper meadow 182 Comment
  POM128965  Lathyrus sulphureus H. P. Chandler 1907-5-14 7578 Napa White Sulphur Spring, St. Helena. Comment
  RSA52118  Lathyrus vestitus subsp. vestitus L. R. Abrams 1928-5-3 12218 Monterey St. Helena Grade. Comment
  CAS-BOT-BC329304  Layia septentrionalis H. E. Brown; A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood Comment
  CAS-BOT-BC329305  Layia septentrionalis H. E. Brown; A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood Comment
  UCD115831  Lepidium strictum Frederica Bowcutt 1994-6-12 1843 a Sonoma 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. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. ca. 20 ft.Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  CAS-BOT-BC226546  Leptosiphon acicularis John Thomas Howell 1933-4-2 10932 Sonoma Sonoma Creek Canyon Comment
  CHSC23086  Leptosiphon androsaceus Robert A. Schlising 1962-3-31 2128 Sonoma Coast Ranges. Ca 2 mi NE of Kenwood along road into Sugarloaf Ridge. Comment
  UCD15831  Leptosiphon bicolor J. D. DiTomaso 1998-5-18 s.n. Sonoma Sugarloaf Ridge State Park. 430 Comment
  UCR261617  Leptosiphon latisectus Ann Howald 2003-3-8 2274 Sonoma Inner North Coast Ranges, Mayacamas Mountains, Sugarloaf Ridge State Park, McCormick Addition, c. 0.1 mile east of intersection of Headwaters Trail and Grandmother Oaks Trail 450 Comment
  UCD161608  Lessingia ramulosa Jake Ruygt 1999-7-10 4201 Napa Spring Mountain Road at York Creek, reservoir, across road. 195 Comment
  JEPS104543  Ligusticum apiifolium Jake Ruygt 1987-7-5 2061 Napa Bothe State Park, Ritchie Creek 128 Comment
  JEPS111000  Linanthus bicolor Jake Ruygt 1976-4-23 16 Napa 1.9 miles NE of Silverado Trail on Deer Park Rd. 188 Comment
  UC106672  Linanthus ciliatus Michener and Bioletti 1892-5-20 1542 a Sonoma Hood's Peak Comment
  UC73620  Linanthus dichotomus Milo S. Baker Apr 1898 687 Sonoma Santa Rosa Creek Canyon Comment
  UC133989  Linanthus parviflorus Alice Eastwood 1893-4-27 Sonoma Hood Mountain Comment
  UC23769  Linanthus parviflorus Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin Napa River Basin Comment
  UC52689  Linanthus parviflorus unknown 1898-4-23 Sonoma Santa Rosa Creek Canyon Comment
  JEPS37849  Lithocarpus densiflorus Willis L. Jepson 1903-9-6 2354 Napa York Creek Canyon Napa River Basin, St. Helena (St. Helena) Comment
  UC1135273  Lithocarpus densiflorus R. W. Lundh 1933-7-14 256 Napa 0.5 mi ne McCormack Ranch; Napa Quad. 426 Comment
  CAS-BOT-BC36015  Lithocarpus densiflorus var. densiflorus Irja Knight; Walter Knight 1964-11-15 773 Sonoma Hood's peak at Johnson Lake Comment
  RSA121900  Lithocarpus densiflorus var. densiflorus R. W. Lundh 1933-7-14 256 Napa 1/2 mile northeast of McCormack Ranch. 427 Comment
Read comments
Jul 28 2014
  UCD102721  Lithophragma heterophyllum Frederica Bowcutt 1994-5-1 1759 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; 2.5 air miles NE of Kenwood. Along Sonoma Creek just E of Bear Creek near bridge over Sonoma Creek. 198 Comment
  JEPS20918  Logfia gallica W. L. Jepson 1896-6-2 Napa St. Helena Comment
  JEPS20927  Logfia gallica W. L. Jepson 1923-4-29 9886 Napa St. Helena Comment
  UCD66013  Lolium multiflorum Gerry North 1993-4 17 Sonoma 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. At first pullout on right after Goodspeed trailhead. Less than 0.2 miles east of park entrance gate. 243 Comment
  UCD84597  Lolium perenne Frederica Bowcutt 1994-6-12 1844 Sonoma 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. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. ca. 20 ft. Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  UC176029  Lomatium dasycarpum subsp. dasycarpum H. P. Chandler 1907-5-12 7568 Napa St. Helena, White Sulphur Spring Comment
  UCD95930  Lomatium macrocarpum Ellen Dean; with Clare Loughran 2011-5-20 7060 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 612 Comment
  UC21208  Lomatium utriculatum F. T. Bioletti 1893-6-10 Sonoma Hood's Peak Comment
  UCD127724  Lomatium utriculatum Jennifer Bury; Peggy Herzog 1993-5-8 261 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 381 Comment
  CAS-BOT-BC240647  Lonicera hispidula A. A. Heller 1902-6-26 5767 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  GH422857  Lonicera hispidula A. A. Heller 1902-6-26 5767 Unknown Along Sonoma creek, at the foot of Mt. Hood Comment
  UCD137329  Lonicera hispidula Frederica Bowcutt; Jeff Kennedy, Jolie Hendricks 1994-5-1 1748 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; 10 air miles E of Santa Rosa; 18 air miles NW of Napa; 1.5 air miles NE of Kenwood. In Adobe Canyon along Goodspeed Trail approximately 1/8 mile from trail head on Adobe Canyon Road. 213 Comment
  UCD95687  Lonicera hispidula Ellen Dean; with Clare Loughran 2011-5-20 7032 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  SEINET7072769  Lotus humistratus A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  UC15620  Lotus humistratus Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin Napa River Basin Comment
  UC192623  Lotus humistratus Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  UC81130  Lotus humistratus Michener and Bioletti 1892-5-15 64 a Sonoma Hoods Peak 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
  SEINET7073050  Lotus purshianus A. G. Vestal 1963-4-7 s.n. Napa Low flat about 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD27. Comment
  GH366591  Lotus scoparius A. A. Heller 1902-6-26 5777 Unknown Along Sonoma creek, at the foot of Mt. Hood Comment
  POM18333  Lotus scoparius var. scoparius A. A. Heller 1902-6-26 7473 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  JEPS55883  Lotus stipularis var. stipularis F. T. Bioletti 1893-6-7 Sonoma Hood Peak Comment
  UC15539  Lotus stipularis var. stipularis F. T. Bioletti 1893-6-7 Sonoma Hoods Peak Comment
  UC80761  Lotus stipularis var. stipularis F. T. Bioletti 1893-6-7 Sonoma Hoods Peak Comment
  JEPS57129  Lupinus albifrons L. R. Heckard 1967-5-7 1593 Sonoma w of summit Hood Peak; w of summit of Hood Peak 792 Comment
  JEPS64923  Lupinus albifrons Willis L. Jepson 1893-4-25 54 t Napa trail to Caux's Cabin (w of St. Helena); Napa River Basin Comment
  UC127022  Lupinus albifrons F. T. Bioletti 1894-1 Sonoma near Hood's Peak; near Hood's Peak Comment
  CAS-BOT-BC195974  Lupinus albifrons var. albifrons Alice Eastwood 1893-4-27 s.n. Sonoma Hood Mt. Comment
  CAS-BOT-BC195979  Lupinus albifrons var. albifrons Alice Eastwood 1893-4-27 s.n. Sonoma Hood Mt. Comment
  UCD149704  Lupinus nanus Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Northeast of St.Helena, along Sanitarium Road, east of intersection with Glass Mountain Road, vineyard conversion. Partridge Vineyard property. 95 Comment
  SEINET7072776  Luzula comosa A. G. Vestal 1963-5-12 s.n. Napa High point on Spring Mountain Road above Saint Helena. Coordinate datum: WGS84/NAD83. (38? deg. 31' 15" North Latitude, -122? deg. 32' 3" West Longitude, UTM Zone 10, 540614mE, 4263487mN. Coordinate datum: NAD 27.) 549 Comment
  UCD95924  Luzula comosa Ellen Dean; with Clare Loughran 2011-5-20 7057 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  CHSC20576  Luzula macrantha Robert A. Schlising 1962-3-31 2129 Sonoma Coast Ranges. Ca 2 mi NE of Kenwood along road in to Sugarloaf Ridge. Comment
  JEPS67167  Luzula macrantha W. C. Blasdale 1895-6-9 5 d Calaveras McCormick's Ranch Comment
  UCD161277  Madia gracilis Jake Ruygt 1990-6-2 2569 Napa Sulphur Canyon. (Coordinates estimated by label maker at UC Davis). 243 Comment
  UCD132830  Madia sativa Frederica Bowcutt 1997-7-18 2184 Sonoma 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. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  UCD139120  Maianthemum stellatum Frederica Bowcutt 1994-5-1 1779 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon S of Sonoma Creek about 150 yards, 1/4 mile northwest of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. Campground. 350 Comment
  UCD139121  Maianthemum stellatum Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1768 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon along the Goodspeed Trail about 30 yards from the trail head. Along Sonoma Creek just east of confluence with Bear Creek near bridge over Sonoma Creek. 198 Comment
  UCD132837  Malacothrix floccifera Frederica Bowcutt; Jeff Kennedy (Det.) and Jolie Hendricks 1994-5-1 1751 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; ~11 air miles E of Santa Rosa; ~18 air miles NW of Napa; ~1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along Goodspeed Trail ~1/8 mile from trail head on Adobe Canyon Rd. 213 Comment
  UCD95678  Malva nicaeensis Ellen Dean; with Clare Loughran 2011-5-20 7023 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  JEPS106389  Marah fabacea Jake Ruygt 1976-4-23 17 Napa 2.1 miles NE of Silverado Trail on Deer Park Rd. 213 Comment
  UCD107583  Marah fabacea Frederica Bowcutt 1994-5-1 1775 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. Adobe Canyon, along Goodspeed trail about 1/8 mile from trail head on Adobe Canyon Rd. 198 Comment
  UC28946  Marah oregana F. T. Bioletti 1894-1 Sonoma near Hood's Peak Comment
  CHSC25141  Medicago polymorpha J. E. Beitler 1970-4-19 29 Napa St. Helena. Found ca. 25 yards W of York Creek bridge on York Lane 3 ft. in from N. side of the road. Comment
  JEPS65530  Medicago sativa W. L. Jepson 1936-5-30 17555 Napa St. Helena Comment
  CAS-BOT-BC282169  Melica geyeri A. A. Heller 1924-4-12 13846 Napa About 5 miles S of Calistoga Comment
  CDA11436  Melica geyeri G. F. Hrusa, M. Tu 1995-5-6 12159 Napa North Coast Biodiversity Arena; Shade of Quercus garryana at edge of redwood forest along Moores Creek in Las Posadas State Forest. Small colony, along steep slope approx 40 ft. above creek. Perennial. Comment
  GH360292  Melica geyeri W. S. Boyle 1942-4-25 1072 Unknown Along the Sivararado Trail road 7 miles south 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
  JEPS122914  Melica geyeri Jake Ruygt 2005-3-19 4700 Napa Lower Ritchey Creek. Quad: Calistoga. Comment
  SEINET197652 Image available Melica geyeri W. S. Boyle 1942-4-25 1062 Napa Along the Silvarado Trail Road 7 miles south of Calistoga Comment
  UCD87302  Melica geyeri L. R. Abrams 1928-5-3 12254 Napa Summit St. Helena Grade. Comment
  UCD96193  Melica geyeri Ellen Dean; with Clare Loughran 2011-5-20 7074 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  UCD88604  Melica subulata Frederica Bowcutt 1994-5-1 1782 b Sonoma 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. Adobe Canyon, campground S of Sonoma Creek about 150 yds. 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  UC903706  Melica torreyana Milo S. Baker 1947-5-7 11753 Sonoma Rose Butte summit Hood Mt. (Macartney Ranch, e of residence near Grant Line) 228 Comment
  UCD89114  Melica torreyana Gerry North 1993-4 5 Sonoma 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. Across road from Goodspeed trailhead pullout. On bank edge above Sonoma Creek. 213 Comment
  UCD89115  Melica torreyana Gerry North 1993-4 25 Sonoma 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. First pullout on right after Pony Gate Gulch Creek. 213 Comment
  JEPS112577  Mentha arvensis Jake Ruygt 1982-6-29 1350 Napa .3 miles south of Old Bale Mill on west side of HWY 29 97 Comment
  JEPS42846  Mentzelia laevicaulis var. laevicaulis W. L. Jepson 1922-10-22 9830 Napa St. Helena, White Sulphur Creek Comment
  UCR261616  Micranthes californica Ann Howald 2003-3-8 2275 A Sonoma Inner North Coast Ranges, Mayacamas Mountains, Sugarloaf Ridge State Park, McCormick Addition, ca. 0.1 mile east of intersection of Headwaters Trail and Grandmother Oaks Trail 450 Comment
  UCD122192  Mimulus aurantiacus Jennifer Bury; Peggy Herzog 1993-5-8 281 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 438 Comment
  JEPS11702  Mimulus aurantiacus var. aurantiacus Francis W. Pennell Jul 2 1940-Jul 3 1940 26033 Sonoma mountain ne Kenwood Springs 243 Comment
  UC1012384  Mimulus aurantiacus var. aurantiacus Francis W. Pennell Jul 2 1940-Jul 3 1940 26033 Sonoma mountain ne Kenwood Springs 243 Comment
  UC445121  Mimulus aurantiacus var. aurantiacus H. P. Chandler 1907-5-29 7588 Napa White Sulphur Spring St. Helena Comment
  UC445123  Mimulus aurantiacus var. aurantiacus C. F. Sonne April 1887 604 Napa near Vallejo; White Sulphur Springs Comment
  UC26873  Mimulus bolanderi F. T. Bioletti 1892-1 Sonoma Hood's Peak Comment
  UC27048  Mimulus congdonii F. T. Bioletti 1894-1 Sonoma near Hood's Peak 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
  JEPS11027  Mimulus guttatus W. L. Jepson 1893-4-25 28 m Napa w St. Helena (trail to Caux's Cabin); Hood's Peak Range Comment
  POM5095  Mimulus guttatus Michener, Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  JEPS128916  Mimulus latidens Juanita Duran 2000-4-18 4227 Napa Saint Helena; Spring street, 1.5 west of Highway. Rutherford 7.5' Quad. Comment
  UCD122794  Mimulus moschatus Frederica Bowcutt 1997-7-18 2173 Sonoma 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. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 662 Comment
  CAS-BOT-BC388754  Minuartia douglasii L. R. Abrams 1928-5-3 12222 Napa St. Helena Grade Comment
  POM151736  Minuartia douglasii Michener, Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  CAS-BOT-BC220698  Monardella viridis John Thomas Howell 1941-6-21 16319 Napa Hills sw. of St. Helena Comment
  UCD144662  Montia fontana Frederica Bowcutt; Jolie Hendricks, Jeff Kennedy 1994-5-1 1792 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Campground S of Sonoma Creek approx. 125 yds. 1/4 mile NW of confluence of Rattlesnake Creek, meadow in center of campground. 350 Comment
  UCD119515  Myosotis discolor Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1795 Sonoma About 40 air miles N of San Francisco; ~11 air miles E of Santa Rosa; ~18 air miles NW of Napa; ~1.5 air miles NE of Kenwood. In main campground ~150 yards S of Sonoma Creek; 1/4 mile NW of confluence w/Rattlesnake Creek at the toe of Sugarloaf Ridge. 350 Comment
  UCD87895  Nassella cernua Gerry North 1993-4 51 Sonoma 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. On Vista trail 1/2 mile NE of fork with Bald Mountain trail. Sugarloaf Ridge State Park. 556 Comment
  CAS-BOT-BC259966  Nassella lepida Milo S. Baker 1945-5-11 10895 Napa Boundary ridge between Napa and Sonoma Counties near Summit of Spring Mountain Road Comment
  JEPS76080  Nassella lepida W. L. Jepson 1938-5-20 18802 Napa open slope above vineyard of John Ballentine (above St. Helena Sanitarium); Howell Mountain Comment
  SEINET7073049  Nassella pulchra A. G. Vestal 1963-4-7 s.n. Napa Low flat about 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD27. Comment
  UCD116053  Nasturtium officinale Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1786 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Campground S of Sonoma Creek approx. 125 yds. 1/4 mile NW of confluence with Rattlesnake Creek. 350 Comment
  UC106834  Navarretia heterodoxa Michener and Bioletti Jul 1891 1554 a Sonoma Hoods Peak Comment
  UCD119981  Nemophila heterophylla Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1753 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trail approx. 200 yds. From just E of Bear Creek about 5 yds. N of confluence with Sonoma Creek. 198 Comment
  UC67144  Nemophila menziesii Milo S. Baker 1898-4-23 617 Sonoma Santa Rosa Creek Canyon Comment
  JEPS110848  Nemophila menziesii var. atomaria Jake Ruygt 1998-4-11 3904 Napa Langtry Road at Napa/Sonoma County line. 579 Comment
  JEPS12278  Nicotiana acuminata var. multiflora W. L. Jepson 1939-9-11 19475 Napa near St. Helena (flats near Napa River) Comment
  UCD110164  Notholithocarpus densiflorus Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1765 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  CDA11434  Osmorhiza chilensis G. F. Hrusa, M. Tu 1995-5-6 12157 Napa North Coast Biodiversity Arena; Along Moores Creek, Las Posadas State Forest. Comment
  UC1177078  Oxalis articulata subsp. rubra Peter H. Raven 1951-5-6 2832 Napa St. Helena 91 Comment
  UCD88720  Paspalum dilatatum Frederica Bowcutt 1996-5-23 2144 Sonoma 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. Entrance to campground in Adobe Canyon. 350 Comment
  UC399517  Pellaea andromedifolia Michener and Bioletti March 1893 Sonoma Hood's Peak Comment
  POM23403  Pellaea mucronata Anonymous 1893-03 12676 Sonoma Hoods Peak Comment
  UC71499  Pellaea mucronata var. mucronata Bioletti 1894-1 Sonoma near Hood's Peak Comment
  SJSU1365  Penstemon heterophyllus J. W. Tilden 1953-5-24 1037 Napa NE slope Mt St Helena 457 Comment
  POM14508  Penstemon heterophyllus subsp. heterophyllus Michener, Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  NY601758  Penstemon heterophyllus var. purdyi A. A. Heller 1902-5-29 5625 Sonoma Mount Hood Comment
  A367534  Penstemon newberryi var. sonomensis A. A. Heller & H. E. Brown 1902-5-29 5626 Unknown Mt. Hood Comment
  CAS-BOT-BC245721  Penstemon newberryi var. sonomensis F. T. Bioletti 1892-5-1 74 Sonoma Hood's Peak Comment
  CAS-BOT-BC245722  Penstemon newberryi var. sonomensis F. T. Bioletti; Michener 1893-5-1 91 Sonoma Hood's Peak Comment
  GH367532  Penstemon newberryi var. sonomensis C. G. Michener & F. T. Bioletti 1892-5-30 Unknown Hood's Peak Comment
  GH367533  Penstemon newberryi var. sonomensis A. A. Heller & H. E. Brown 1902-5-29 5626 Unknown Mt. Hood Comment
  NY627433  Penstemon newberryi var. sonomensis A. A. Heller 1902-5-29 5626 Sonoma Mt. Hood Comment
  UC27503  Penstemon newberryi var. sonomensis F. T. Bioletti 1892-1 Sonoma Hood's Peak Comment
  NY130516  Penstemon sonomensis Miss Atterbury 1891-1 s.n. Sonoma Hoods Peak Comment
  NY130520  Penstemon sonomensis C. H. Michener 05 1893 s.n. Sonoma Hoods Peak Comment
  JEPS103985  Pentagramma triangularis subsp. triangularis Jake Ruygt 1979-12-19 801 Napa Spring Mountain Winery (Falconcrest) 146 Comment
  UC399577  Pentagramma triangularis subsp. triangularis H. P. Chandler 1907-5-30 7597 Napa White Sulphur Spring St. Helena Comment
  UCD99058  Persicaria hydropiper Frederica Bowcutt 1997-7-18 2174 Sonoma 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. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  UCD99060  Persicaria hydropiper Frederica Bowcutt 1997-7-18 2174 Sonoma 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. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  UCD120296  Phacelia californica Frederica Bowcutt; Joy Keeney, Adam Greene 1994-5-21 1808 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Meadow trail appx. 1/2 mi from trailhead. 396 Comment
  JEPS2394  Phacelia distans Milo S. Baker 1898-4-23 Sonoma Santa Rosa Cr. Canyon Comment
  UC126010  Phacelia distans Alice Eastwood 1893-4-27 Sonoma Hood Mountain Comment
  UCD102207  Phoradendron leucarpum subsp. tomentosum Frederica Bowcutt 1997-7-19 2191 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.5 air miles SSE of Red Mountain, Mid-slope on S facing side of Adobe Canyon along Vista Trail just E. of Vista Rock (prominent metamorphic rock outcrop). 579 Comment
  UCD102210  Phoradendron leucarpum subsp. tomentosum Frederica Bowcutt 1997-7-20 2203 Sonoma Sugarloaf Ridge State Park. About 50 air miles NE of Kenwood, 1.5 air miles ENE of Mt. Hood, 1 air mile NW of Bald Mtn. Bear Crk. Ranch in headwaters of the Bear Crk. 609 Comment
  RSA451852  Physocarpus capitatus T. Gertrude Williamson 1924-7-4 s.n. Napa Saint Helena, White Sulphur Springs. Comment
  UC466696  Physocarpus capitatus H. P. Chandler 1907-5-12 7565 Napa White Sulphur Spring St. Helena Comment
  OBI75343  Pickeringia montana Michener & Bioletti, Bioletti May 1893 s.n. Sonoma Hood's Peak Comment
  POM20260  Pickeringia montana var. montana Michener, Bioletti 7160 Sonoma Hoods Peak Comment
  CAS-BOT-BC78333  Pinus attenuata Walter Knight; Irja Knight 1964-11-15 787 Sonoma above Johnson Dam - [Hood's] Hoods Peak Comment
  CAS-BOT-BC72882  Pinus ponderosa Peter H. Raven 1954-2-22 6417 Napa Hills n. of White Sulphur Spr., w. of St. Helena. 152 Comment
  JEPS74967  Pinus ponderosa Tim Tunison Sonoma Sugarloaf Ridge Trail e of Kenwood (Sonoma Valley, 0.5 mi from site of nearest habitation and 100 yds recently built Vista Trail); Sugarloaf Ridge State Park 487 Comment
  CAS-BOT-BC228012  Plagiobothrys L. R. Abrams 1928-5-3 $ 12229 Napa St. Helena Grade Comment
  UC25056  Plagiobothrys nothofulvus Willis L. Jepson 1893-4-25 Napa Caux's Knob w St. Helena; Caux's Knob Comment
  UCD124455  Plantago erecta Jennifer Bury; Peggy Herzog 1993-5-8 263 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 381 Comment
  UC28835  Plectritis brachystemon F. T. Bioletti June, 1893 Sonoma Hood's Peak Comment
  JEPS122934  Pleuropogon californicus Jake Ruygt 1996-3-23 3536 Napa North side of Deer Park Road between Napa River and Highway 29. Quad: Saint Helena. Comment
  UC73784  Poa annua J. Burtt Davy April 1902 Napa St. Helena Comment
  UCD90366  Poa annua Gerry North 1993-4 4 Sonoma Sugarloaf Ridge State Park. About 50 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. At Goodspeed trailhead pullout. 213 Comment
  UCD149703  Poa bulbosa Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Northeast of St.Helena, along Sanitarium Road, east of intersection with Glass Mountain Road, vineyard conversion. Partridge Vineyard property. 95 Comment
  CAS-BOT-BC246686  Poa howellii Catherine Best 1980-4-9 s.n. Napa Glass Mountain Rd near the Silverado Trail Comment
  RSA63655  Poa howellii Milo S. Baker s.n. Sonoma Hood Mountain; above Gray Ranch 305 Comment
  UC903700  Poa howellii Milo S. Baker 1947-4-22 11698 Sonoma above Gray Ranch Hood Mt 304 Comment
  UC905109  Poa howellii Milo S. Baker 1947-4-22 11698 Sonoma Hood Mt, w slope Hood Mt (along trail towards cliffs) 304 Comment
  UCD95685  Poa secunda subsp. juncifolia Ellen Dean; with Clare Loughran 2011-5-20 7030 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  JEPS51381  Polycarpon tetraphyllum W. L. Jepson 1894-10-15 Napa St. Helena Comment
  OBI48882  Polygala californica Michener & Bioletti, Bioletti June 1893 s.n. Sonoma Hoods Peak Comment
  POM138788  Polygala californica Michener, Bioletti 1893-5-7 s.n. Sonoma Hood's Peak Comment
  UC192399  Polygala californica Michener and Bioletti June 1893 Sonoma Hood's Peak Comment
  UCD109705  Polygala californica Jennifer Bury; Peggy Herzog 1993-5-8 265 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 381 Comment
  UCD95915  Polygala californica Ellen Dean; with Clare Loughran 2011-5-20 7052 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  UC6669  Polygonum bolanderi Michener and Bioletti July 1893 Sonoma Hoods Peak Comment
  JEPS50607  Polygonum hydropiper W. L. Jepson 1894-11-5 Napa towards Battle Mt. (near St. Helena) Comment
  UCD136917  Polypodium californicum Frederica Bowcutt 1994-5-1 1755 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. Along Sonoma Creek just E of Bear Creek near bridge over Somona Creek. On Goodspeed trail about 30 yards from trail head. 198 Comment
  JEPS103976  Polystichum californicum Jake Ruygt 1979-7-28 773 Napa 2.1 miles NW of Madrona on Spring Mountain Road 207 Comment
  JEPS116569  Polystichum californicum Jake Ruygt 1990-6-2 2574 Napa Sulphur Canyon. Kenwood 7.5' Quad. Comment
  JEPS33241  Polystichum californicum F. T. Bioletti 1892-5-31 Sonoma Hood's Peak Comment
  UC1784893  Polystichum californicum Wendy Born Jun 2003 Sonoma Hood Mountain Regional Park Comment
  CAS-BOT-BC72192  Polystichum dudleyi John Thomas Howell 1941-6-21 16314 Napa Hills Sw. of St. Helena Comment
  JEPS116567  Polystichum dudleyi Jake Ruygt 1999-7-10 4204 b Napa Spring Street near White Sulphur Springs. Rutherford 7.5' Quad. Comment
  UCD139786  Prosartes hookeri Frederica Bowcutt; Jeff Kennedy, Jolie Henricks 1994-5-1 1769 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail, ca. 200 yards fro the trail head on Adobe Canyon Road and just E of Bear Creek, ca. 5 yards N of confluence with Sonoma Creek. 198 Comment
  JEPS112641  Prunella vulgaris var. lanceolata Jake Ruygt 1982-6-29 1346 Napa .3 mile south of Old Bale Mill on east side of HWY 29 88 Comment
  UCD96185  Prunus cerasifera Ellen Dean; with Clare Loughran 2011-5-20 7071 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-BC80178  Pseudotsuga menziesii Irja Knight; Walter Knight 1964-11-15 795 Sonoma Hood's Peak near Johnson Lake Comment
  CAS-BOT-BC80184  Pseudotsuga menziesii A. A. Heller; H. E. Brown 1902-3-31 5188 Sonoma Mt. Hood Comment
  CAS-BOT-BC80185  Pseudotsuga menziesii A. A. Heller; H. E. Brown 1902-3-31 5188 Sonoma Mt. Hood Comment
  GH355331  Pseudotsuga menziesii A. A. Heller & H. E. Brown 1902-3-31 Unknown Mt. Hood Comment
  POM21753  Pseudotsuga menziesii D. O. Hunt 1899-2-26 s.n. Napa Glass Mountain, St. Helena. Comment
  POM21757  Pseudotsuga menziesii A. A. Heller, H. E. Brown 1902-3-31 5188 Sonoma Mt. Hood Comment
  JEPS46763  Pseudotsuga menziesii var. menziesii W. L. Jepson 1903-9-7 2356 Napa hills w of St. Helena (York Canon Road); , York Creek Canon 548 Comment
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Oct 2 2012
  JEPS48289  Pseudotsuga menziesii var. menziesii W. L. Jepson 1903-9-7 2356 Napa hills w of St. Helena (York Canon Road); , York Creek Canon 548 Comment
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Oct 2 2012
  NY63889  Pseudotsuga menziesii var. menziesii A. A. Heller 1902-3-31 s.n. Sonoma Mt. Hood Comment
  UC245  Pseudotsuga menziesii var. menziesii Mrs. D. O. Hunt 1899-2-26 Napa Glass Mt. St. Helena, Glass Mt. Comment
  CAS-BOT-BC72686  Pteridium aquilinum Irja Knight; Walter Knight 1964-11-15 s.n. Sonoma Hood's Peak at Johnson Lake Comment
  JEPS129136  Pteridium aquilinum var. pubescens Jake Ruygt 1979-6-9 679 Napa Spring Mountain Winery (Falconcrest). Saint Helena 7.5' Quad. Comment
  CDA23774  Quercus agrifolia D. G. Kelch 2006-10-4 06 .497-C Sonoma Entrance to Bouverie Reserve. 2 km N of Agua Caliente along Rte 12. Comment
  JEPS37367  Quercus agrifolia W. L. Jepson 1907-12-1 2972 Napa Napa Valley; Sanitarium Hill road Comment
  JEPS46630  Quercus agrifolia W. L. Jepson Nov 1901 Napa grade to Sanitarium St. Helena Comment
  SEINET3140984  Quercus agrifolia Unknown 1995-6-11 sn Napa Homestead Area of McCormick Ranch, approx. 1.1 mi N of Bald Mnt. in Sugar Loaf State Park, and roughly 7 mi W of St. Helena 549 Comment
  UCD45101  Quercus agrifolia Frederica Bowcutt 1994-6-25 1909 b Sonoma Sugarloaf Ridge State ParkAbout 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. Gray Pine Trail > 1/2 mile N of trailhead on Meadow Trail, E of Sonoma Creek. Elev. 1460 ft. S-facing, 20 degree slope. 445 Comment
  UCD45135  Quercus agrifolia Christine Lee 1993-4-23 87 Sonoma Sugarloaf Ridge State ParkAbout 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. Hillside Trail. Elev. 1400'. 426 Comment
  UCD96198  Quercus berberidifolia Ellen Dean; with Clare Loughran 2011-5-20 7076 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  CAS-BOT-BC62714  Quercus chrysolepis Irja Knight; Walter Knight 1964-11-15 786 Sonoma Hood's Peak below Johnson Lake Comment
  UC1135373  Quercus chrysolepis J. B. Spring, R. W. Lundh 1932-6-27 89 Napa 1.5 mi s and 0.25 mi e McCormack Ranch; Santa Rosa Quad. 548 Comment
  UCD96255  Quercus chrysolepis Ellen Dean; with Clare Loughran 2011-5-20 7077 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
  SFV17780  Quercus douglasii J. M. Tucker 1995-10-14 s. n. Napa Homestead Area of the McCormick Ranch, about 1.1 miles north of Bald Mountain in Sugar Loaf State Park, and roughly 7 miles west of St. Helena. 549 Comment
  UC1135444  Quercus douglasii J. B. Spring 1932-6-27 90 Napa 1.5 mi s and .33 mi e McCormack Ranch; Santa Rosa Quad. 746 Comment
  UCD165505  Quercus durata J. B. Spring and R. W. Lundh 1932-6-27 88 Sonoma California, Sonoma County: Santa Rosa, CA, 1.5 mi. south of McCormack Ranch. (Exact location unknown, coordinates estimated by label maker.) 754 Comment
  UCD96195  Quercus durata var. durata Ellen Dean; with Clare Loughran 2011-5-20 7075 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
  UCR148007  Quercus durata var. durata Frederica Bowcutt 1994-5-1 1752 B Sonoma Sugarloaf Ridge State Park, c. 50 air mi N of San Francisco and c. 10 air mi east of Santa Rosa; c. 1.5 air mi N of Kenwood; c. 18 air mi NW of Napa. Adobe Canyon along Goodspeed Trail c. 1/8 mi from trail head on Adobe Canyon Road 213 Comment
  CDA21150  Quercus garryana var. garryana G. F. Hrusa, G. L. Stebbins 1993-10-3 11463 Sonoma Sugarloaf Ridge State Park; Nr. summit of Bald Mountain. 731 Comment
  UCD124007  Quercus garryana var. garryana Frederica Bowcutt 1997-7-20 2201 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 3 air miles NE of Kenwood, 1.5 air miles ENE of Mt. Hood, 1 air mile NW of Bald Mtn. Bear Crk. Ranch in headwaters of the Bear Crk. 609 Comment
  CDA31848  Quercus kelloggii D. G. Kelch 2006-10-4 6 .496 Sonoma Entrance to Bouverie Reserve. 2 km N of Agua Caliente along Rte 12. Comment
  RSA623982  Quercus kelloggii T. Gertrude Williamson 1924-7-4 346 Napa Canon near S. Helena, Napa Valley. Comment
  UC1281159  Quercus kelloggii H. E. McMinn 1938-9-5 5256 Sonoma Hood Mt. Range Comment
  UCD46687  Quercus kelloggii Willis L. Jepson 1901-11-17 1752 Napa St. Helena, Napa River Basin. Comment
  UCD46705  Quercus kelloggii W. L. Jepson 1900-3-8 505 Napa St. Helena, Napa River Basin. 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
  UCD46743  Quercus kelloggii John M. Tucker 1995-10-14 s.n. Napa California, Napa Co.; Homestead Area of the Mc Cormick Ranch, approximately 1.1 mi. north of Bald Mountain in Sugar Loaf State Park, and roughly 7 mi. west of St. Helena. 548 Comment
  CDA23789  Quercus lobata D. G. Kelch 2006-10-4 06 .497-B Sonoma Entrance to Bouverie Reserve. 2 km N of Agua Caliente along Rte 12. Comment
  UCD47144  Quercus parvula var. shrevei Willis L. Jepson 1893-9-23 s.n. Sonoma Mt. St. Helena. Napa River Basin. 914 Comment
Read comments
Jul 28 2008
  UC1126147  Ranunculus californicus A. Lewis 1932-5-14 76 Sonoma Calabasas Creek Napa Quadrangle 457 Comment
  SEINET7072527  Ranunculus occidentalis 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
  CDA42397  Rhagadiolus stellatus R. Robison 2014-4-21 s.n. Napa Bale Gristmill State Historic Park. 0 Comment
  UCD135421  Rhagadiolus stellatus Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1778 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Campground south of Sonoma Creek approximately 150 yards 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  UCD96189  Rhagadiolus stellatus Ellen Dean; with Clare Loughran 2011-5-20 7073 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-BC55946  Rhamnus crocea A. A. Heller 1902-6-26 5766 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  GH378266  Rhamnus crocea A. A. Heller 1902-6-26 5766 Unknown Along Sonoma creek, at the foot of Mt. Hood Comment
  UC73371  Rhamnus crocea Milo S. Baker 1898-4-23 26 Sonoma Santa Rosa Creek Canyon Comment
  UC70558  Ribes californicum Bioletti 1894-1 Sonoma Hoods Peak Comment
  GH380349  Ribes cruentum A. A. Heller & H. E. Brown 1902-3-31 5195 Unknown Mt. Hood Comment
  UCD102254  Ribes inerme var. inerme Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1780 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Campground S of Sonoma Creek approx. 150 yds 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  GH380829  Ribes roezlii var. amictum C. G. Michener & F. T. Bioletti 1892-03-01 - 1892-04-01 137 Unknown Adobe Canon Comment
  CAS-BOT-BC198921  Ribes roezlii var. cruentum A. A. Heller; H. E. Brown 1902-3-31 5195 Sonoma Mt. Hood Comment
  JEPS49465  Ribes roezlii var. cruentum Willis L. Jepson 1893-4-25 13525 Napa trail to Caux's Knob (mts. w of St. Helena); Napa River Basin Comment
  JEPS49467  Ribes roezlii var. cruentum Willis L. Jepson 1893-4-25 13524 Napa mts. w St. Helena (Caux's Cabin); Napa River Basin Comment
  UC11484  Ribes roezlii var. cruentum F. T. Bioletti 1894-1 Sonoma near Hood's Peak Comment
  UC572662  Ribes roezlii var. cruentum Herbert B. Kaufner 1937-2-26 19 Napa Devil's Well Upper Mill Creek Canyon 518 Comment
  UC75454  Ribes roezlii var. cruentum Milo S. Baker 1903-3-20 Sonoma Hood Mt. Comment
  UC75476  Ribes roezlii var. cruentum Milo S. Baker 1899-2-22 755 Sonoma near summit Mt. Hood Comment
  CAS-BOT-BC168765  Ribes victoris A. A. Heller 1902-6-26 5773 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC168766  Ribes victoris A. A. Heller 1902-6-26 5773 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  GH380985  Ribes victoris A. A. Heller 1902-6-26 5773 Unknown Along Sonoma creek, at the foot of Mt. Hood Comment
  RSA141862  Ribes victoris A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UC1182091  Ribes victoris var. minus C. R. Quick and Alice Quick 1935-3-10 171 Sonoma ne Kenwood (n from Sonoma, at foot of Mt. Hood); Mt. Hood, Canyon of Sonoma Creek Comment
  UC1182092  Ribes victoris var. minus C. R. Quick and Alice Quick 1935-3-10 171 Sonoma ne Kenwood (n from Sonoma, at foot of Mt. Hood); Mt. Hood, Canyon of Sonoma Creek Comment
  UC75438  Ribes victoris var. minus Milo S. Baker June 1899 Sonoma near Mt. Hood (one mile from mouth of Sonoma Canyon); Sonoma Creek Comment
  UC75451  Ribes victoris var. minus Milo S. Baker June 1899 Sonoma near Mt. Hood; Sonoma Creek Comment
  UC35868  Rigiopappus leptocladus F. T. Bioletti 1893-5-27 Sonoma Hood's Peak Comment
  UC1128557  Rosa gymnocarpa A. Lewis 1932-5-13 74 Sonoma Calabasas Creek Napa Quadrangle 457 Comment
  UCD113845  Rosa gymnocarpa Frederica Bowcutt 1994-5-1 1766 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. Along Sonoma Creek just E of confluence with Bear Creek near bridge over Sonoma Creek. On Goodspeed trail about 30 yards from trailhead. 198 Comment
  UC903698  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma top of Rose Butte Hood Mtn. (w slope of mt.) 243 Comment
  UC905110  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma top of Rose Butte Hood Mt. (w slope of mt.) 243 Comment
  UC1128639  Rubus parviflorus A. Lewis 1932-5-13 75 Sonoma Calabasas Creek Napa Quadrangle, Calabasas Creek 457 Comment
  UCD113832  Rubus parviflorus Frederica Bowcutt; Jeff Kennedy, Jolie Henricks 1994-5-1 1766 a Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco; approximately 11 air miles E of Santa Rosa, about 18 air miles NW of Napa, and about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail. Approximately 200 yards from the trail head on Adobe Canyon Road and just E of Bear Creek, about 5 yards N of confluence with Sonoma Creek. 198 Comment
  CAS-BOT-BC157177  Rubus ursinus A. A. Heller 1902-6-26 5774 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UCD101462  Rumex pulcher Frederica Bowcutt 1994-6-12 1845 Sonoma 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. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. about 20 ft. Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  CAS-BOT-BC102863  Salix breweri John Thomas Howell 1933-4-2 10940 Sonoma slopes of Mt. Hood, Sonoma Creek Canyon Comment
  JEPS38385  Salix laevigata W. L. Jepson 1900-3-8 506 Napa Hunt's Meadow St. Helena Comment
  JEPS38404  Salix laevigata Willis L. Jepson 1893-4-29 16 s Napa Bewery Rd. York Creek; Napa River Basin Comment
  UCD111597  Salix lasiolepis Frederica Bowcutt 1997-7-18 2177 Sonoma 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. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  CAS-BOT-BC124415  Salix lasiolepis var. lasiolepis Peter H. Raven 1954-2-22 6418 Napa flood plain of White Sulphur Creek 106 Comment
  CAS-BOT-BC225213  Salvia sonomensis A. A. Heller; H. E. Brown 1902-3-31 5193 Sonoma Mt. Hood Comment
  CAS-BOT-BC225214  Salvia sonomensis Michener; Bioletti 1893-6-1 90 Sonoma Hoods Peak Comment
  CAS-BOT-BC225216  Salvia sonomensis Walter Knight; Irja Knight 1963-10-27 437 Sonoma Spring Mt. Rd. Comment
  GH403484  Salvia sonomensis A. A. Heller & H. E. Brown 1902-3-31 5193 Unknown Mt. Hood Comment
  JEPS57130  Salvia sonomensis L. R. Heckard 1967-5-7 1594 Sonoma w of summit of Hood Peak 792 Comment
  OBI48690  Salvia sonomensis Michener & Bioletti, Bioletti June1893 s.n. Sonoma Hoods Peak Comment
  POM62660  Salvia sonomensis A. A. Heller, H. E. Brown 1902-3-31 12297 Sonoma Mt. Hood Comment
  UC192603  Salvia sonomensis Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  UC25740  Salvia sonomensis F. T. Bioletti May 1892 Sonoma Hood's Peak Comment
  UC25743  Salvia sonomensis F. T. Bioletti 1893-5 Sonoma Hood's Peak Comment
  UC1784184  Sanguisorba minor subsp. muricata Ethel Crum 1930-1 813 Napa St. Helena Comment
  UCD95923  Sanicula laciniata Ellen Dean; with Clare Loughran 2011-5-20 7056 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  GH381123  Saxifraga californica C. G. Michener & F. T. Bioletti 1892-03-01 - 1892-04-01 136 Unknown Adobe Canon Comment
  JEPS82982  Saxifraga californica Patrick Elvander 1982-3-27 1021 Sonoma 2.2 mi on road to Sugarloaf State Park (from Hwy 12, 7 mi e of Santa Rosa) Comment
  UC11769  Saxifraga californica F. T. Bioletti 1894-1 Sonoma Hood's Peak Comment
  SBBG5287  Scandix pecten-veneris H. and M. Dearing 1939-5-1 3245 Napa top of Spring Mtn grade Comment
  UC903699  Scutellaria tuberosa Milo S. Baker 1947-4-22 11695 Sonoma Hood Mountain, along trail towards cliffs Hood Mountain 243 Comment
  UC905116  Scutellaria tuberosa Milo S. Baker 1947-4-22 11695 Sonoma Hood Mountain, along trail towards cliffs Hood Mountain 243 Comment
  JEPS79622  Selaginella wallacei Edward Lee ca. 1979 Sonoma Gunsight Ranch Hood Mt. Comment
  CAS-BOT-BC85824  Sequoia sempervirens Peter H. Raven 1954-1-22 6382 Napa Near Sulphur [Sulfur] Springs Resort, west of St. Helena 30 Comment
  UC18867  Sidalcea diploscypha Michener and Bioletti June 1897 Sonoma Hoods Peak Comment
  JEPS50936  Silene gallica W. L. Jepson 1923-4-29 9893 Napa St. Helena 91 Comment
  UC1745645  Silene multinervia Annetta M. Carter 1947-5-30 1841 Sonoma S slopes of Hood Mt. N of Milo S Baker residence, Kenwood. Comment
  UC1745678  Silene multinervia Annetta M. Carter 1947-5-30 1841 Sonoma S slopes of Hood Mt. N of Milo S Baker residence Kenwood; Hood Mountain; S slopes of Hood Mt. N of Milo S Baker residence, Kenwood. Comment
  UC905113  Silene multinervia Milo S. Baker 1947-4-22 11689 Sonoma near Kenwood (on Macartney Ranch); w slope Hood Mt., near Kenwood, Macartney Ranch 182 Comment
  CAS-BOT-BC135365  Sisyrinchium L. R. Abrams 1928-5-3 12212 Napa St. Helena Grade 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
  JEPS113973  Smilax californica Jake Ruygt 1999-5-30 4175 Napa Sulphur Creek about 1/2 mile below the resort. Rutherford 7.5' Quad. Comment
  JEPS106875  Solidago velutina subsp. californica Jake Ruygt 1987-6-14 2043 Napa 2.5 miles west of Madronna Ave.on Spring Mountain Rd. 274 Comment
  SBBG4738  Sphaeralcea ambigua H. and M. Dearing 1939-4-9 3144 Napa Spring Mtn Grade Comment
  UCD125558  Stachys albens Frederica Bowcutt 1997-7-18 2172 Sonoma 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. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  UCD95970  Stachys rigida var. quercetorum Ellen Dean; with Clare Loughran 2011-5-20 7067 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-BC61145  Streptanthus barbiger John Thomas Howell 1941-6-22 16323 Napa Hills southwest of Saint Helena. Comment
  UC956499  Streptanthus barbiger Freed W. Hoffman 1947-9-11 1070 Napa Spring Mountain Road North Coast Ranges Comment
  UC956567  Streptanthus barbiger Freed W. Hoffman 1948-6-6 2329 Napa Spring Mountain rd North Coast Ranges, St. Helena Reservoir Comment
  UCD74403  Streptanthus barbiger Jake Ruygt 2007-6-23 5239 Napa Spring Mtn. Rd. across from York Creek Dam. 195 Comment
  CAS-BOT-BC87155  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1941-6-22 16322 Napa Hills southwest of Saint Helena. Comment
  CAS-BOT-BC87164  Streptanthus glandulosus subsp. glandulosus Clara A. Hunt 1923-4-1 s.n. Napa Mountains near Saint Helena. Comment
  CAS-BOT-BC87232  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-19 6436 Sonoma Spring Mountain Road, 7.5 miles west of Saint Helena. Comment
  CAS-BOT-BC87233  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-19 6436 Sonoma Spring Mountain Road, 7.5 miles west of Saint Helena. Comment
  UC10874  Streptanthus glandulosus subsp. glandulosus F. T. Bioletti 1892-5-1 Sonoma Hood's Peak Comment
  UC117404  Streptanthus glandulosus subsp. glandulosus Michener and Bioletti 1892-5-1 Sonoma Hood's Peak Comment
  UCD116004  Streptanthus glandulosus subsp. glandulosus Jennifer Bury; Peggy Herzog 1993-5-8 289 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain, 1 mile. Near visitor center. 487 Comment
  CAS-BOT-BC33877  Streptanthus tortuosus Frederick Theodore Bioletti 1897-5-30 s.n. Sonoma Hoods Pk. Comment
  CAS-BOT-BC87489  Streptanthus tortuosus Michener; Bioletti 1893-6-7 s.n. Sonoma Hoods Peak. Comment
  GH422299  Streptanthus tortuosus F. W. Hoffman 1948-7-27 2348 Unknown summit of Hood Peak, Mayacamas Range Comment
  GH422336  Streptanthus tortuosus F. W. Hoffman 1948-7-27 2348 Unknown Summit of Hood Peak, Mayacamas Range 0.9 mile west of Hopland 1310 Comment
  JEPS2877 Image available Streptanthus tortuosus Michener and Bioletti 1893-6-7 Sonoma Hoods Peak; ; Hoods Peak, Sonoma Co. Comment
  JEPS2878 Image available Streptanthus tortuosus Michener and Bioletti 1893-5-30 Sonoma Hood's Peak; ; Hood's Peak, Sonoma Co. Comment
  UC1601622  Streptanthus tortuosus Milo S. Baker 1940-7-15 9781 Sonoma cliffs Hood's Peak Comment
  UC956546  Streptanthus tortuosus Freed W. Hoffman 1948-7-27 2348 Sonoma summit Hood Peak (bare rocks and cliffs with s exposure); North Coast Ranges, Mayacamas Range Comment
  UC10916  Streptanthus tortuosus var. suffrutescens F. T. Bioletti 1893-6-1 Sonoma Hood's Peak Comment
  UC10917  Streptanthus tortuosus var. suffrutescens F. T. Bioletti 1893-6-1 Sonoma Hood's Peak Comment
  UC10918  Streptanthus tortuosus var. suffrutescens F. T. Bioletti 1893-6-1 Sonoma Hood's Peak Comment
  UC117370  Streptanthus tortuosus var. suffrutescens Michener and Bioletti 1892-5-30 Sonoma Hood's Peak Comment
  UCD137411  Symphoricarpos albus var. laevigatus Frederica Bowcutt; Jeff Kennedy , Jolie Henricks 1994-5-1 1763 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  JEPS45772  Tamarix gallica W. L. Jepson 9832 Napa White Sulphur Creek; Napa Valley Comment
  UCD136731  Taraxacum officinale Frederica Bowcutt 1994-5-1 1783 Sonoma 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. Adobe Canyon, campground S of Sonoma Creek about 150 yds. 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  UCD108607  Thermopsis californica var. californica Jennifer Bury; Peggy Herzog 1993-5-8 273 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 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-BC66806  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10933 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66807  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10934 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66808  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10935 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66809  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10936 Sonoma Sonoma Creek Canyon. Comment
  JEPS106592  Thysanocarpus curvipes Jake Ruygt 1980-5-3 863 Napa .2 miles west of Butts Canyon Rd. on Aetna Springs Rd. 216 Comment
  SEINET7073051  Thysanocarpus curvipes A. G. Vestal 1963-4-8 s.n. Napa Napa Valley on Route 128 just southeast of the turn off to Pope Valley (Deer Park Road). UTM Zone 10, 544932mE, 4263019mN. Coordinate datum: NAD27. Comment
  UCD149705  Thysanocarpus curvipes Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Northeast of St.Helena, along Sanitarium Road, east of intersection with Glass Mountain Road, vineyard conversion. Partridge Vineyard property. 95 Comment
  SFV17047  Torilis arvensis P. Wilson 1997-6-1 3463 Sonoma Sugarloaf Ridge State Park. 500 Comment
  JEPS63910  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19478 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek Comment
  JEPS63911  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19477 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek Comment
  JEPS63912  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19476 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek Comment
  JEPS63935  Toxicodendron diversilobum W. L. Jepson 1904-5-28 2427 Napa St. Helena, Spring Mt. Creek (York Creek) Comment
  UCD96203  Toxicoscordion micranthum Ellen Dean; with Clare Loughran 2011-5-20 7079 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  UCD95925  Toxicoscordion venenosum var. venenosum Ellen Dean; with Clare Loughran 2011-5-20 7058 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 612 Comment
  CHSC25145  Trientalis latifolia J. E. Beitler 1970-4-19 27 Napa St. Helena. Locally abundant in area directly between York Creek and gate at road to Spring Mountain Conversion dam, on Spring Mountain Road. Comment
  UCD117567  Trientalis latifolia F. Bowcutt 1994-5-1 1756 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. Along Sonoma Creek just E of Bear Creek near bridge over Sonoma Creek. On Goodspeed trail about 30 yards from trail head. Along Sonoma Creek. 198 Comment
  UC16497  Trifolium albopurpureum var. dichotomum Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin; Napa River Basin Comment
  SEINET7063152  Trifolium breweri A. G. Vestal 1963-4-7 s.n. Napa About 2.1 miles north of Saint Helena on the Silverado Trail. UTM Zone 10, 544382mE, 4264735mN. (WGS84/NAD83). 70 Comment
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  UCR179431  Trifolium ciliolatum I. Loredo-Prendeville, Nicole Canon 1993-4-24 65 Sonoma Sugarloaf Ridge State Park, c. 50 air mi N of San Francisco, 10 air mi east of Santa Roas, 2.5 air mi NE of kenwood and 18 air mi NW of Napa. Along Adobe Canyon Road 259 Comment
  UCD108895  Trifolium fragiferum Frederica Bowcutt 1997-7-18 2186 Sonoma 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. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  UCD95680  Trifolium fragiferum Ellen Dean; with Clare Loughran 2011-5-20 7025 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  JEPS65868  Trifolium fucatum Willis L. Jepson 1893-4-25 13721 Napa w St. Helena (trail to Caux's Cabin); Napa River Basin Comment
  UCD95677  Trifolium incarnatum Ellen Dean; with Clare Loughran 2011-5-20 7022 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  JEPS106713  Trifolium obtusiflorum Jake Ruygt 1990-6-2 2570 Napa Sulphur Canyon 237 Comment
  UCD109400  Trifolium variegatum Jennifer Bury; Peggy Herzog 1993-5-8 277 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 396 Comment
  UC165494  Trifolium willdenovii Milo S. Baker 1898-4-26 693 Sonoma Santa Rosa Creek Canyon Comment
  UC165605  Trifolium willdenovii Milo S. Baker 1898-4 729 Sonoma Santa Rosa Creek canyon Comment
  UCD95927  Trisetum canescens Ellen Dean; with Clare Loughran 2011-5-20 7059 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 612 Comment
  UC72473  Triteleia laxa Milo S. Baker 1898-4-23 580 Sonoma Santa Rosa Creek Canyon Comment
  RSA123617  Triteleia lugens Milo S. Baker 1942-5-7 10192 Napa Divide between Santa Rosa & Napa Valley at point west of St. Helena town, near summit of Spring Mountain road Comment
  CAS-BOT-BC74110  Turritis glabra A. A. Heller; H. E. Brown 1902-5-29 5624 Sonoma Mount Hood. Comment
  UCD94671  Typha domingensis Frederica Bowcutt 1997-7-18 2183 Sonoma 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. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  CAS-BOT-BC91199  Umbellularia californica Peter H. Raven 1954-1-22 6384 Napa Sulfur Springs Canyon just north of the resort. 182 Comment
  CAS-BOT-BC91283  Umbellularia californica Walter Knight; Irja Knight 1964-11-15 774 Sonoma Hood's Peak at Johnson Lake. Comment
  UC27672  Verbascum blattaria Mrs. D. O. Hunt 1899-6-13 Napa St. Helena Comment
  UC27680  Verbascum thapsus Mrs. D. O. Hunt Nov., 1898 Napa St. Helena Comment
  JEPS7874  Veronica arvensis H. P. Chandler 1907-5-12 24 Napa St. Helena, White Sulphur Springs White Sulphur Springs; St. Helena, White Sulphur Springs Comment
  UC447253  Veronica arvensis H. P. Chandler 1907-5-12 Napa White Sulphur Spring, St. Helena White Sulphur Spring; , St. Helena Comment
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  UCD95910  Vicia americana subsp. americana Ellen Dean; with Clare Loughran 2011-5-20 7049 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  UCD108794  Vicia lutea Frederica Bowcutt 1994-6-12 1849 Sonoma 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. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Rd. Trail head for Pony Gate Trail near kiosk and visitor center. 411 Comment
  UC1714464  Vicia sativa C. F. Baker 1903-4-19 2600 Napa St. Helena Comment
  SEINET7073083  Vicia sativa subsp. nigra A. G. Vestal 1963-4-7 s.n. Napa About 1 mile north of Saint Helena on the Silverado Trail. Coordinate datum WGS84/NAD83. (38? deg. 31' 20" North Latitude, -122? deg. 28' 26" West Longitude, UTM Zone 10, 545861mE, 4263695mN. Coordinate datum: NAD27). Comment
  CHSC25104  Vicia villosa subsp. varia J. E. Beitler 1970-4-19 26 Napa St. Helena. At the base of the dam of lower Spring Mountain Reservoir ca. 75 yds. E. of Spring Mountain Road. Comment
  JEPS106537  Vicia villosa subsp. varia Jake Ruygt 1976-4-12 1 Napa .2 miles east of Silverado Trail on Deer Park Rd. 73 Comment
  UCR198110  Vinca major Kathryn J. Goursolle 1976-5-15 54 Napa Saint Helena, 2.1 mi west of junction of Hwy 128 and Spring Street, on Spring Street 135 Comment
  CDA11438  Viola glabella G. F. Hrusa, M. Tu 1995-5-6 12161 Napa North Coast Biodiversity Arena; Summit of Howell Mtn. in Las Posadas State Forest, vicinity of fire station. Comment
  CDA11439  Viola lobata G. F. Hrusa, M. Tu 1995-5-6 12162 Napa North Coast Biodiversity Arena; Summit of Howell Mtn. in Las Posadas State Forest, vicinity of fire station. Comment
  UC1762531  Viola lobata Milo S. Baker 1947-5-5 11714 Sonoma Hod [Hood?] Mt., near Grant Line Comment
  UC1762486  Viola lobata subsp. integrifolia Milo S. Baker 1942-6-11 10205 Sonoma Spring Mt. Rd. near Summit. 457 Comment
  UCD95688  Viola lobata subsp. integrifolia Ellen Dean; with Clare Loughran 2011-5-20 7033 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  UC1762485  Viola lobata subsp. lobata Milo S. Baker 1942-6-11 10206 Sonoma Spring Mt. Rd. near summit 45 Comment
  UC19288  Viola lobata subsp. lobata F. T. Bioletti 1892-1 Sonoma Hood's Peak Comment
  CDA11440  Viola purpurea subsp. quercetorum G. F. Hrusa, M. Tu 1995-5-6 12163 Napa North Coast Biodiversity Arena; Summit of Howell Mtn. in Las Posadas State Forest, vicinity of fire station. Comment
  UC19342  Viola purpurea subsp. quercetorum Willis L. Jepson 1893-4-25 Napa Trail to Caux's Cabin; Napa River Basin Comment
  CAS-BOT-BC203125  Vitis californica Irja Knight; Walter Knight 1964-11-15 778 Sonoma Hood's [Hood] Peak below Johnson Lake Comment
  RSA390411  Vitis californica T. Gertrude Williamson 1929-7-4 s.n. Napa Canyon behind White. Sulphur Springs, St Helena. Comment
  UCD17205  Vitis californica H. Olmo 1940-1 s.n. Napa California. Napa County: Spring St. in St. Helena. Comment
  UCD17552  Vitis californica H. Olmo 1934-1 s.n. Napa Near old mill in St. Helena. Comment
  CAS-BOT-BC198841  Vulpia bromoides A. A. Heller 1924-4-12 13847 Napa Along the highway about 5 miles south of Calistoga. Comment
  UCD93558  Vulpia bromoides Gerry North Apr - May 1993 16 Sonoma Sugarloaf Ridge State Park. About 50 air miles north of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead. Less than 2 miles east of park entrance gate. 243 Comment
  GH361299  Vulpia microstachys var. ciliata J. T. Howell 1943-6-20 18238 Unknown Hills sw. of St. Helena Comment
  UC710537  Vulpia microstachys var. ciliata John Thomas Howell 1943-6-20 18238 Napa hills sw St. Helena Comment
  UC903758  Vulpia microstachys var. ciliata Milo S. Baker 1947-5-5 11722 Sonoma sw slope Hood Mt. (above Baker Ranch) 213 Comment
  UCD93839  Vulpia microstachys var. ciliata John Thomas Howell 1943-6-20 18238 Napa SW of St. Helena. Comment
  CAS-BOT-BC184002  Vulpia microstachys var. microstachys John Thomas Howell 1943-6-20 18238 Napa Hills sw. of St. Helena Comment
  UC903723  Vulpia microstachys var. pauciflora Milo S. Baker 1947-5-7 11759 Sonoma sw slope Hood Mt. (above Baker Ranch) 213 Comment
  SEINET7073046  Vulpia myuros A. G. Vestal 1963-4-7 s.n. Napa Low flat about 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD27. Comment
  UCD94906  Vulpia myuros Gerry North Apr - May 1993 13 Sonoma 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. At first pullout on right after Goodspeed trailhead. Less than 2 miles east of park entrace gate. 243 Comment
  UCD95679  Vulpia myuros Ellen Dean; with Clare Loughran 2011-5-20 7024 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  UCD95681  Vulpia myuros Ellen Dean; with Clare Loughran 2011-5-20 7026 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  UC73774  Vulpia myuros var. hirsuta J. Burtt Davy 1902-4-11 Napa St. Helena Comment
  UC903742  Vulpia myuros var. hirsuta Milo S. Baker 1947-5-5 11725 Sonoma s slope Hood Mt. (above Baker ranch) 213 Comment
  UCD94388  Vulpia octoflora Milo S. Baker 1943-5-27 10202 b Napa Napa-Sonoma Countyline: Sp. Mt. Road. Comment
  UC699696  Vulpia octoflora var. glauca Milo S. Baker 1942-5-27 10202 Napa w of St. Helena town (summit of ridge between Sonoma County and Napa County) Comment
  UC903741  Vulpia octoflora var. glauca Milo S. Baker 1947-4-22 11692 Sonoma w slope Hood Mt. (along trail towards cliffs from residence of Mr. Gray) Comment
  UC114970  Whipplea modesta Michener and Bioletti 1892-5-1 641 a Sonoma Woods Peak Comment
  CAS-BOT-BC73625  Woodwardia fimbriata Walter Knight; Irja Knight 1964-11-15 777 Sonoma Hood's Peak near Johnson Lake Comment
  UC399411  Woodwardia fimbriata Michener and Bioletti March 1893 Sonoma Hood's Peak Comment
  UCD95919  Wyethia angustifolia Ellen Dean; with Clare Loughran 2011-5-20 7054 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  UCD96728  Wyethia angustifolia Ellen Dean; with Clare Loughran 2011-5-20 7054 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  UCD161322  Xanthium strumarium Jake Ruygt 1979-7-21 767 Napa 1.9 miles west of Madronna St. on Spring Mountain Rd. (Coordinates estimated by label maker at UC Davis). 192 Comment
  GH400163  Zeltnera muehlenbergii J. T. Howell 1941-6-21 16317 Unknown Hills SW. of St. Helena Comment



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