Search Results — 2000 specimen records retrieved (1255 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78075  Abies grandis Walter Knight; Irja Knight 1964-2-27 538 Sonoma Valley Crossing Comment
  UCD134234  Abies grandis Lalit M. Srivastava 1957-11-1 21 Sonoma State Highway 1, 2 miles north of Fort Ross. 30 Comment
  CAS-BOT-BC268102  Acacia Peter Rubtzoff 1973-8-21 7252 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  CAS-BOT-BC436982  Acaena novae-zelandiae Roger Raiche 1985-7-14 50638 Sonoma Horseshoe Cove just north of Horseshoe Point, Salt Point State Park, near Highway #1 15 Comment
  UCD112505  Acaena pinnatifida var. californica Frederica Bowcutt 1984-6-23 415 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. W of Highway 1. Immediately N of Gerstle Cove near large parking lot. 15 Comment
  CAS-BOT-BC332754  Acer macrophyllum Peter Rubtzoff 1953-5-17 1383 Sonoma Neeley Hill area S of Guerneville Comment
  UCD117035  Acer macrophyllum Loredo-Prendeville; Canon 1993-4-24 53 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. Road at confluence of Sonoma and Bear Creeks. 195 Comment
  UC1171645  Acer negundo var. californicum H. S. Yates 1934-4-21 3809 Sonoma near Markham; Duncan's Mills Quad., near Markham 15 Comment
  NY149868  Achillea arenicola A. A. Heller 1902-5-27 5608 Sonoma Bodega Bay Comment
  CAS-BOT-BC30078  Achillea millefolium A. A. Heller; H. E. Brown 1902-4-17 5317 Sonoma Hills at Santa Rosa Comment
  SD41359  Achillea millefolium Edith A. Purer 1932-7-24 4075 Sonoma Near Bodega Bay. Comment
  UC496396  Achillea millefolium Merle Randall 1930-6-10 Sonoma shore above mouth Russian River Comment
  CAS-BOT-BC30089  Achillea millefolium Mary P. Wells 1982-8-21 125 Sonoma Salt Point State Park, south end of parking lot Comment
  CLARK-A1528-2275  Achlys triphylla John C. Roos 1957-7-2 6646 Sonoma Millers Ridge Comment
  CAS-BOT-BC182760  Achyrachaena mollis Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7389 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC29162  Achyrachaena mollis J. T. Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53994 Sonoma Fairfield Osborn Preserve of The Nature Conservancy, 4.5 miles NE of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC29168  Achyrachaena mollis Barrett Anderson 1987-4-27 3454 Sonoma Petaluma, south of El Rose and west of D Street. 120 Comment
  UCD104028  Acmispon brachycarpus Frederica Bowcutt 1994-6-25 1913 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 Grey Pine Trail about 1/2 way between Bushy Peak Trail and Meadow Trail. 530 Comment
  UCD104294  Acmispon parviflorus P. G. Connors 1992-5-13 255 Sonoma At edge of vernal pool near entrance road to Bodega Dunes State Park. Comment
  CAS-BOT-BC376279  Acmispon wrangelianus Greg de Nevers 1992-5-2 10138 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 457 Comment
  UCD112611  Adenostoma fasciculatum E. Frost 1996-5-26 23 Sonoma Mt. St. Helena, 200 yards in along hiking trail. 609 Comment
  SEINET11908934  Adenostoma fasciculatum W. Knight, Knight, I. 1981-1 3964 Sonoma 2.3 mi up Cavedale Road from jct of State Rt 12 Comment
  CAS-BOT-BC65688  Adiantum jordanii Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UC479340  Adiantum jordanii Marcus E. Jones, A. M. 1931-7-5 29165 Sonoma The Geysers Comment
  UC1201284  Adiantum jordanii E. Samuels 230 Sonoma Comment
  CAS-BOT-BC368067  Aegilops triuncialis Greg de Nevers 1998-5-25 11265 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek 400 Comment
  POM136963  Aesculus californica A. A. Heller 1902-6-4 8924 Sonoma Santa Rosa. Comment
  UCD166070  Agoseris Peter Rubtzoff 1971-5-30 6479 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC183  Agoseris apargioides var. eastwoodiae Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC184  Agoseris apargioides var. eastwoodiae Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC26633  Agoseris apargioides var. eastwoodiae Alice Eastwood s.d. s.n. Sonoma Bodega Point Comment
  JEPS128206  Agoseris heterophylla Roger Raiche 2000-4-23 041 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC176399  Agrostis Peter Rubtzoff 1964-5-31 5337 Sonoma Fitch Mtn. Grove, 2 mi. E of Healdsburg, along Russian River Comment
  SEINET10817024  Agrostis P. Rubtzoff 1966-8-22 Rubtzoff 5854 Sonoma SE of Lower Salmon Creek Marsh. Comment
  UC1026476  Agrostis alba Peter Rubtzoff 1951-7-8 389 Sonoma lower part of the upper Pitkin Marsh (near Forestville) Comment
  CAS-BOT-BC127548  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  UCD51829  Agrostis blasdalei Mary M. Hektner 1975-6-2 195 Sonoma east of Walk-on-Beach, Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD51847  Agrostis capillaris Beecher Crampton 1957-7-22 4365 Sonoma along Hwy. 1, 8.2 miles north of Stewart's Point. Comment
  UCD51891  Agrostis densiflora Beecher Crampton 1957-7-22 4397 Sonoma 1/4 mile north of Fort Ross, State Hwy. 1. Comment
  UCD52003  Agrostis densiflora Beecher Crampton 1957-7-11 4343 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  UCD52020  Agrostis densiflora Beecher Crampton 1957-7-11 4351 Sonoma Sonoma Coast State Park, 9 miles north of Salmon Creek and just south of Goat Rock. Comment
  UCD52011  Agrostis densiflora Beecher Crampton 1957-7-22 4359 Sonoma 2 miles north of Stewart's Point, State Hwy. 1. Comment
  CAS-BOT-BC126965  Agrostis exarata Greg de Nevers 1992-6-26 10208 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  CAS-BOT-BC126970  Agrostis exarata G. DeNevers 1981-6-15 1566 Sonoma Pepperwood Ranch. Along Franz Creek. Comment
  UC963927  Agrostis hallii Milo S. Baker 1947-5-30 11774 Sonoma 2 mi nw Occidental (along Harrison's Grade) Comment
  UCD36694  Agrostis hallii Beecher Crampton 1955-6-17 2958 Sonoma Sonoma County, 6 miles west of Cazadero, on road to Fort Ross. Comment
  UCD37347  Agrostis hallii Beecher Crampton 1959-6-16 5376 Sonoma Sonoma County, 1 mile east of Occidental. Comment
  UCD52716  Agrostis hallii Roxana S. Ferris; Laura Lorraine 1961-6-15 13568 Sonoma About 1/8 mile beyond County Dump. Comment
  UC1146631  Agrostis microphylla Freed W. Hoffman 1944-5-30 2013 Sonoma sand banks Russian River (Guernewood Park); North Coast Ranges, , Guernewood Park Comment
  UCD148468  Agrostis microphylla Peter Rubtzoff 1964-6-24 5368 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC138855  Agrostis microphylla Dr. Kellogg 1869-1-1 s.n. Sonoma Russian River Valley. Comment
  SBBG26362  Agrostis microphylla B. Crampton 1966-5-10 Sonoma 5.5 mi N of Sonoma. St Hwy 12 Comment
  CAS-BOT-BC139116  Agrostis oregonensis Peter Rubtzoff 1951-6-16 261 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC139119  Agrostis oregonensis Peter Rubtzoff 1951-6-16 261 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC138918  Agrostis pallens G. DeNevers 1981-7-1 1721 Sonoma Pepperwood Ranch. Garrison Canyon. Comment
  UC766898  Agrostis pallens Robert F. Hoover 1941-6-7 5315 Sonoma 2 mi se Monte Rio (on road to Camp Meeker) Comment
  CAS-BOT-BC176183  Aira caryophyllea Peter Rubtzoff 1974-5-26 7475 Sonoma Vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  UCD37560  Aira caryophyllea var. capillaris Beecher Crampton 1955-4-5 2406 Sonoma 2 miles west of Fulton, along Woolsey Road. 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
  UC905117  Aira elegantissima Milo S. Baker 1947-5-7 11748 Sonoma above Baker Ranch; Hood Mt. 213 Comment
  UCD37149  Aira praecox Beecher Crampton 1957-7-11 4327 Sonoma Sonoma County, 0.9 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  CAS-BOT-BC445336  Alisma lanceolatum Peter Rubtzoff 1954-7-4 1528 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC445339  Alisma lanceolatum Peter Rubtzoff 1954-8-12 1697 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC445346  Alisma lanceolatum Peter Rubtzoff 1955-8-27 2105 Sonoma East Guernewood, near Guerneville. Comment
  CAS-BOT-BC445349  Alisma lanceolatum Peter Rubtzoff 1958-7-20 3783 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road). Comment
  CAS-BOT-BC164376  Alisma triviale Peter Rubtzoff 1965-6-20 5560 Sonoma Petaluma Creek, 4 miles northwest of Petaluma (on Stoney Point Road) Comment
  RSA216160  Alisma triviale Peter Rubtzoff 1954-6-20 1510 Sonoma Guerneville Marsh Comment
  RSA94453  Alisma triviale Peter Rubtzoff 1951-7-28 565 Sonoma Pitkin Marsh, near Forestville; Lower part of the Upper Marsh. Comment
  CAS-BOT-BC368055  Allium amplectens Greg de Nevers 1998-5-19 11252 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Franz Valley Road 400 Comment
  UC119966  Allium amplectens Michener and Bioletti 1897-5-8 2052 a Sonoma Hood's Peak Comment
  UCD150550  Allium dichlamydeum P. G. Connors 1991-7-3 193 Sonoma Bodega Marine Laboratory, Bodega Head and Dunes. Comment
  CAS-BOT-BC469105  Allium dichlamydeum John H. Thomas 1976-6-15 18323 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  SD56754  Allium dichlamydeum Darley F. Howe 1963-7-2 3716 Sonoma 4.2 miles north of junction with #12 on #1. On sea bluff. Comment
  UCD169968  Allium triquetrum Gary Bjork 2001-4-4 PDR 117291 Sonoma 2474 Copperfield Ct., Santa Rosa. Comment
  UCSC000151  Allium unifolium Beryl O. Schreiber 1934-5-16 1120 Sonoma Healdsberg, Fitch Mountain Road Comment
  UCD138615  Allium unifolium Jane Justus 1966-5-3 29 Sonoma State Highway 116, 14 miles west of Petaluma. 9 Comment
  CAS-BOT-BC171434  Alnus rhombifolia Marcus E. Jones 1982-7-17 3484 Sonoma Duncan's Mills Comment
  CAS-BOT-BC138045  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1955-7-10 1957 Sonoma Duncans Mills Marsh. Comment
  UCD33095  Alopecurus saccatus Beecher Crampton 1966-5-10 7726 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  CAS-BOT-BC540839  Amaranthus Peter Rubtzoff 1973-8-20 7235 Sonoma Sonoma Creek bottom hear Agua Caliente Road crossing W of Agua Caliente Comment
  CAS-BOT-BC44968  Ambrosia chamissonis Mary P. Wells 1982-7-4 s.n. Sonoma Pebble Beach, The Sea Ranch Comment
  SEINET5710304  Ambrosia chamissonis Michael Fleschner 1965-1 s.n. Sonoma University of California Marine Biology Laboratory, Bodega Bay.; Bodega Bay Comment
  POM161247  Ambrosia chamissonis var. chamissonis Rimo Bacigalupi 1928-6-18 1899 Sonoma Beach at mouth of Salmon Creek, 2 miles N of Bodega Bay. Comment
  CAS-BOT-BC55542  Ambrosia psilostachya Peter Rubtzoff 1951-9-15 762 Sonoma Pitkin Marsh Comment
  RSA132435  Amelanchier pallida John H. Thomas 1955-5-22 5184 Sonoma Along St. Helena Road and West Creek, 1.2 miles W of Sonoma - Napa County line, 6 miles from St. Helena 457 Comment
  CAS-BOT-BC177230  Amorpha californica var. napensis Walter Knight; Irja Knight 1963-9-15 384 Sonoma Los Alamos Rd, Santa Rosa Comment
  CAS-BOT-BC222273  Amsinckia Alice Eastwood; John Thomas Howell 1940-5-5 7871 Sonoma North end of Sonoma Mt. Comment
  CAS-BOT-BC222281  Amsinckia John Thomas Howell 1934-3-26 11787 Sonoma Southwestern base of Mt. Hood Comment
  CAS-BOT-BC222282  Amsinckia John Thomas Howell 1934-3-26 11786 Sonoma Southwestern base of Mt. Hood Comment
  CAS-BOT-BC222287  Amsinckia John Thomas Howell 1934-3-25 11776 Sonoma Lakeville Comment
  CHSC21835  Amsinckia intermedia Robert A. Schlising 1962-3-31 2113 Sonoma In pastured field. Comment
  CHSC90578  Amsinckia intermedia Elizabeth L. Knight 1988-4-1 4 Sonoma About 0.25 mi east-northeast of southernmost point of Bodega Head and 100 ft north of Pacific Ocean. 15 Comment
  UC725447  Amsinckia lunaris A. A. Heller 1940-4-22 15550 Sonoma e of Santa Rosa (along State Hwy 12) Comment
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Nov 9 2006
  RSA178650  Amsinckia spectabilis Roxana S. Ferris 1932-5-27 8257 Sonoma Bodega Bay. Comment
  UCD167411  Ancistrocarphus filagineus James Neilson 1978-5-3 3959 Sonoma Mayacmas Mountains, Pine Flat just north of Red Hill. (Exact location unknown. Coordinates estimated by label maker.) Comment
  HSC71392  Angelica californica J. M. DiTomaso 1980-6-13 1602 Sonoma 4900 Trinity Rd., between Glen Ellen and Oakville Comment
  UCD126249  Angelica tomentosa Frederica Bowcutt 1997-7-20 2204 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, 1 air mile S of Red Mountain. Edge of service roade just SW of group campground. Adobe Canyon near trailhead to Meadows Trail. 396 Comment
  UCD126256  Angelica tomentosa Frederica Bowcutt 1997-7-20 2204 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, 1 air mile S of Red Mountain. Edge of service roade just SW of group campground. Adobe Canyon near trailhead to Meadows Trail. 396 Comment
  UCD126257  Angelica tomentosa Frederica Bowcutt 1997-7-20 2204 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, 1 air mile S of Red Mountain. Edge of service roade just SW of group campground. Adobe Canyon near trailhead to Meadows Trail. 396 Comment
  CAS-BOT-BC271435  Anisocarpus madioides Rimo Bacigalupi 1926-5-2 1392 Sonoma Cazadero Comment
  UCD128895  Anisocarpus madioides Gerry North 1993-4 48 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 Bald Mountain trail 0.5 mile above fork of Bald Mountain and Meadow trails. 457 Comment
  POM261545  Anthoxanthum aristatum Alice Eastwood, J. T. Howell 1936-5-19 2506 Sonoma 2 miles north of Windsor Comment
  UCD37345  Anthoxanthum aristatum Beecher Crampton 1959-6-16 5367 Sonoma Sonoma County, 0.2 mile E of Occidental, on Occidental Road. Comment
  UCD56134  Anthoxanthum aristatum Beecher Crampton 1955-4-5 2415 Sonoma 2 miles southwest of Windsor. Comment
  CAS-BOT-BC280661  Anthoxanthum occidentale Roxana S. Ferris; Laura Lorraine 1961-6-14 13538 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  CAS-BOT-BC280662  Anthoxanthum occidentale Roxana S. Ferris; Laura Lorraine 1961-6-14 13538 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  CAS-BOT-BC280667  Anthoxanthum occidentale David L. Morgan 1958-2-13 s.n. Sonoma 4 mi. W. of Monte Rio on Russian River Rd. Comment
  CAS-BOT-BC137693  Anthoxanthum odoratum John H. Thomas 1976-6-16 18340 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  HSC8936  Anthoxanthum odoratum C. S. Chavez 1965-6-3 78 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  JEPS78901  Anthoxanthum odoratum Edward Lee 1936-6-8 2224 Sonoma Bohemian Grove, grounds near entrance Bohemian Grove Comment
  UCD56169  Anthoxanthum odoratum Beecher Crampton 1955-6-17 2940 Sonoma 1/2 mile north of Guerneville, along Fife Creek. Comment
  UCD56259  Anthoxanthum odoratum Leo Koch 1940-4-22 841 Sonoma North Bay Counties, along Highway 101, north of Windsor. Comment
  UCD161271  Anthriscus caucalis James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3700 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  UC479120  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Marcus E. Jones, A. M. 1931-7-5 28810 Sonoma The Geysers Comment
  CAS-BOT-BC457591  Aphanes occidentalis G. DeNevers 1981-4-23 796 Sonoma Pepperwood Ranch, Pippindale Farm, Pippindale Garden. Comment
  CAS-BOT-BC457592  Aphanes occidentalis John H. Thomas 1966-3-22 11537 Sonoma Near the intersection of Occidental Road and Facedini Lane between Occidental and Graton, 1 mile east of Occidental. Serpentine. Comment
  RSA0077989  Apiaceae B. A. Stein 1981-3-7 449 Sonoma Harrison Grade Rd. 243 Comment
  POM82406  Apium graveolens Marcus E. Jones 1882-7-17 3604 Sonoma Duncan's Mills. Comment
  RSA31667  Apocynum cannabinum A. A. Heller 1902-6-22 5732 Sonoma Santa Rosa Comment
  CAS-BOT-BC394989  Aquilegia formosa D. E. Breedlove 1980-6-28 44802 Sonoma Pepperwood Ranch W of Knights Valley Comment
  JEPS52998  Arabis blepharophylla Alice Griffin 1928-4-15 Sonoma Bodega Comment
  RSA0125832  Arabis glabra J. T. Howell 1930-6-8 5291 Sonoma 8.5 miles N of Bodega Bay Comment
  POM77224  Arbutus menziesii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  SBBG83715  Arbutus menziesii G. H. Bolton 1975-4-19 12 Sonoma 1 mi W of St Hwy 12, Sebastopol Comment
  CHSC69209  Arctostaphylos James D. Jokerst 1989-4-14 3097 Sonoma Healdsburg Area A Specific Plan Study, in project area. Comment
  RSA629209  Arctostaphylos Jon E. Keeley 1993-9-11 24791 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC424805  Arctostaphylos Milo S. Baker 1930-3-8 3899 b Sonoma Frei Bros. Ranch Vine Hill Region Comment
  CAS-BOT-BC24085  Arctostaphylos bakeri R. F. Hoover 1968-2-23 10896 Sonoma Harrison Grade road near summit Comment
  CAS-BOT-BC24124  Arctostaphylos bakeri Lewis S. Rose 1934-2-22 34032 Sonoma 2 mi. E of Occidental Comment
  OBI14769  Arctostaphylos bakeri Robert F. Hoover 1968-2-23 10896 Sonoma Harrison Grade road near summit Comment
  UC1120878  Arctostaphylos bakeri A. E. Wieslander 1936-9-19 706 Sonoma 1 mi nw Occidental; Sebastopol Quadrangle Comment
  RSA622720  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24758 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  SEINET2028740 Image available Arctostaphylos canescens H. F. Copeland 1933-3-18 A 12 Sonoma Rincon Ridge, north of Santa Rose Comment
  UCD50543  Arctostaphylos canescens Roman Gankin; W. R. Hildreth and Ken Milam 1965-4-16 517 Sonoma 0.2 mile on Rockridge Lane from Montecito Road, on Sones Property, Rincon Ridge, Santa Rosa. Comment
  SEINET11991947  Arctostaphylos canescens W. Knight, Knight, I. 1984-1 5062 Sonoma Alta Vista Lane, Rincon Ridge, Santa Rosa Comment
  UCSB4717  Arctostaphylos canescens Keator, Glenn 1959-4-2 Sonoma Mt. St. Helena, 9.1 miles north of Calistoga 762 Comment
  CAS-BOT-BC23975  Arctostaphylos canescens subsp. canescens John Thomas Howell 1934-3-3 11747 Sonoma Between Fort Ross and Stwearts Point Comment
  CDA12039  Arctostaphylos canescens subsp. canescens G. F. Hrusa 1990-1-2 7348 Sonoma North Coast Biodiversity Arena; Hogback Mtn., approx. 4 km. NE of Sonoma. Comment
  UC1120921  Arctostaphylos canescens subsp. canescens R. W. Lundh and J. B. Spring 1932-7-19 119 Sonoma 1/2 mi w Los Alamos School; Santa Rosa Quadrangle 518 Comment
  CAS-BOT-BC23851  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1931-3-14 5761 Sonoma Rincon Ridge, near Santa Rosa Comment
  UC876538  Arctostaphylos canescens subsp. sonomensis Lewis S. Rose 1940-2-12 40006 Sonoma 2 mi e Santa Rosa (type locality); Rincon Ridge 60 Comment
  UC909881  Arctostaphylos canescens subsp. sonomensis J. E. Adams 1935-3-1 1025 Sonoma e Sta. Rosa; Rincon Ridge Comment
  CAS-BOT-BC23605  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11744 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC23647  Arctostaphylos columbiana C. Hart Merriam 1925-7-8 s.n. Sonoma Coast mountains near Kachia Rancheria, about 5 miles east of Stewarts Point Comment
  UCD50681  Arctostaphylos columbiana Freed W. Hoffman 1947-12-1 2747 Sonoma Salt Point. Comment
  CAS-BOT-BC23639  Arctostaphylos columbiana Mary P. Wells 1985-10-4 667 a Sonoma About 1 mile south of Gualala River Comment
  CAS-BOT-BC24997  Arctostaphylos densiflora J. Clausen 1933-3-26 744 Sonoma Vine Hill Schoolhouse, 10 mi. W of Santa Rosa, along road. Comment
  CAS-BOT-BC25025  Arctostaphylos densiflora John Thomas Howell 1963-11-21 421 Sonoma Vine Hill Rd. ca. 5 mi N past Pitkin Ranch. Comment
  JEPS98815  Arctostaphylos densiflora Walter Knight 1967-3-19 Sonoma Vine Hill School Road ca. 100 yds W of the school on N side of road and across fence at edge of vineyard Comment
  POM215711  Arctostaphylos densiflora Jens Clausen 1933-3-26 743 Sonoma Vine Hill School House, 10 miles west of Santa Rosa, along road. Comment
  RSA107817  Arctostaphylos densiflora L. S. Rose 1955-2-28 55003 Sonoma Vine Hill, 9 mies W of Santa Rosa Comment
  RSA88338  Arctostaphylos densiflora J. T. Howell 1933-4-2 10948 Sonoma 8 miles west of Santa Rosa Comment
  UCD50799  Arctostaphylos densiflora Roman Gankin; W. R. Hidlreth 1967-10-3 1070 Sonoma Along Vine Hill School Road, ca. 1/2 mile east of Vine Hill Road. Comment
  SEINET11991012  Arctostaphylos densiflora W. Knight, Knight, I.; Knight, T. 1983-1 4766 Sonoma California Native Plant Society manzanita preserve on Vine Hill School Rd Comment
  RSA177968  Arctostaphylos glandulosa subsp. cushingiana R. F. Thorne 1965-4-20 34347 Sonoma Top of Parker Hill ( N end of Parker Hill Road). ca. 3 miles N of Santa Rosa 244 Comment
  UCD160019  Arctostaphylos glandulosa subsp. cushingiana James A. Neilson Jr. 1975-1-24 3159 Sonoma Mayacmas Mountains; Dominichelli Ranch # 1. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  CAS-BOT-BC24676  Arctostaphylos glandulosa subsp. glandulosa J. E. Adams 1934-3-28 726 Sonoma 5 mi. n. of Cazadero. Comment
  CAS-BOT-BC24719  Arctostaphylos glandulosa subsp. glandulosa Greg de Nevers 1994-3-18 10514 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 457 Comment
  CAS-BOT-BC24720  Arctostaphylos glandulosa subsp. glandulosa J. Clausen 1933-3-25 726 Sonoma About 4 mi. e. of Warfield along the road to Oakville. 213 Comment
  CAS-BOT-BC24723  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1933-4-2 10947 Sonoma 8 mi. w. of Santa Rosa. Comment
  CAS-BOT-BC24724  Arctostaphylos glandulosa subsp. glandulosa A. A. Heller; H. E. Brown 1902-3-31 5194 Sonoma Mt. Hood. Comment
  RSA631185  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24723 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UCD50857  Arctostaphylos hispidula Walter Knight; Irja Knight and Stephen W. Edwards 1985-1-27 5174 Sonoma 7.7 miles from west end of Sonoma Lake bridge on Rockpile Road. Comment
  CAS-BOT-BC39112  Arctostaphylos hispidula Roger Raiche 1984-1-14 40018 Sonoma Kelly Road (about 5.3 miles northwest from its intersection with Rockpile road). 518 Comment
  SEINET11993014  Arctostaphylos hispidula W. Knight, Knight, I.; Edwards, S. W. 1985-1 5174 Sonoma 7.7 mi from W end of Sonoma Lake bridge on Rockpile Road, about 100 yards W of road Comment
  CAS-BOT-BC38986  Arctostaphylos manzanita Roger Raiche; Steve Edwards; Walter Knight; Irja Knight 1983-7-3 4753 Sonoma Near Cazadero, The Cedars, population samples from north end of 10 acre study area. 274 Comment
  LA42191  Arctostaphylos manzanita H. F. Copeland; 1933-3-18 A 9 Sonoma Mt Hood, Residence of M. S. Baker, at W base Comment
  OBI54985  Arctostaphylos manzanita H. F. Copeland 1933-3-18 A 14 Sonoma Vine Hill region on College Ave hwy, W of Santa Rosa Comment
  UCD52232  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1067 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  RSA202106  Arctostaphylos manzanita Freed W. Hoffman 1947-3-11 822 Sonoma Duvoul Creek, a branch of Dutch Bill Creek. Comment
  RSA202114  Arctostaphylos manzanita Freed W. Hoffman 1948-04 2750 Sonoma Poole Ridge, near Guerneville. Comment
  SEINET11984822  Arctostaphylos manzanita R. Gankin, Hildreth, W. R. 1967-1 1067 Sonoma Vine Hill School Rd, ca 0.5 mi E of Vine Hill Rd Comment
  SEINET11990956  Arctostaphylos manzanita Unknown 1983-1 30585 Sonoma N slope Morrison Ridge, Austin Creek Recreation Area, above Thompson Creek 274 Comment
  SEINET11990969  Arctostaphylos manzanita Unknown 1983-1 30491 A Sonoma near intersection between East Austin Creek & Gray Creek 140 Comment
  RSA364259  Arctostaphylos manzanita subsp. bakeri Roger Raiche 1983-9-20 RR 30723 Sonoma Graton Road near intersection with Tanuda Road (east of Occidental) Comment
  CAS-BOT-BC38696  Arctostaphylos manzanita subsp. manzanita J. Clausen 1933-3-26 750 Sonoma Adobe Canyon near Kenwood, Baker Ranch Comment
  CAS-BOT-BC38725  Arctostaphylos manzanita subsp. manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1073 Sonoma .2 mile along Wine Creek Road from west Dry Creek Road, near Healdsburg Comment
  CAS-BOT-BC38749  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-28 727 Sonoma 4 or 5 mi from Seaview, Cazadera Rd. Comment
  POM209912  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 9 Sonoma Residence of M.S. Baker, at west base of Mt. Hood. Comment
  RSA3947  Arctostaphylos manzanita subsp. manzanita I. L. Wiggins 1932-3-12 5762 Sonoma Between Franz Valley and Knight's Valley. Comment
  UC480591  Arctostaphylos manzanita subsp. manzanita Carl Meyer 1928-3-3 303 Sonoma Santa Rosa Comment
  UC902047  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1949-3-13 18271 Sonoma along creek w Knights Valley; Mayacamas Creek 152 Comment
  UCD52048  Arctostaphylos manzanita subsp. manzanita Frederica Bowcutt 1996-2-25 2065 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; about 1 air mile NNW of Bald Mtn. (elev. 2275'); just N of Meadow Trail. 693 Comment
  POM209914  Arctostaphylos patula H. F. Copeland 1932-3-18 A- 4 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  CAS-BOT-BC43876  Arctostaphylos stanfordiana Philip V. Wells 1990-12-16 121690 Sonoma Rincon Ridge: north of Montecito Avenue 213 Comment
  CAS-BOT-BC47301  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 11 Sonoma Spring Mountain Rd., about 8 mi. e. of Santa Rosa. Comment
  CAS-BOT-BC47336  Arctostaphylos stanfordiana Lewis S. Rose 1955-2-28 55009 Sonoma 2 mi. w. of Graton. Road to Occidental. 121 Comment
  CAS-BOT-BC47342  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5765 Sonoma Rincon Ridge near Santa Rosa. Comment
  CAS-BOT-BC47348  Arctostaphylos stanfordiana R. F. Hoover 1963-1-12 8547 Sonoma Cavedale Rd., Hoods Peak Range. Comment
  OBI14515  Arctostaphylos stanfordiana Robert F. Hoover 1963-1-12 8547 Sonoma Cavedale rd, Hoods Peak Range Comment
  RSA636809  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24746 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388313  Arctostaphylos stanfordiana Freed W. Hoffman 1947-3-12 752 Sonoma Trinity Rd ne Kenwood; North Coast Ranges, west slope of Napa Range Comment
  SEINET11984942  Arctostaphylos stanfordiana Unknown 1966-1 686 Sonoma S of Hooker Canyon at point directly opposite canyon from Cavedale Rd, 3.1 mi E of junction of CA 12 Comment
  JEPS83503  Arctostaphylos stanfordiana subsp. decumbens Jack and Betty Guggolz 1986-2-9 843 Sonoma just inside conservation easement at end of Bluesage Court; Southridge Development Comment
  JEPS95235  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  UCD59419  Arctostaphylos uva-ursi Walter and Irja Knight 1984-3-21 5215 Sonoma On a terrace overlooking creek inlet at Stump Beach, Salt Point State Park. Comment
  SBBG87643  Arctostaphylos viscida subsp. viscida L. F. LaPre 1986-3-30 Sonoma Socrates Mine, ca. 9 mi ENE of Geyserville 914 Comment
  RSA534491  Aristolochia californica Peter Rubtzoff 1987-3-15 9756 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Off Summerhome Park Road 0.2 mi. from (west of) Forest Hills Road (same station as #9735). Comment
  CAS-BOT-BC64590  Armeria maritima subsp. californica John H. Thomas 1976-6-15 18288 Sonoma S. end of the Sea Ranch, northwestern part of county, about 7 mi. s. of Gualala. 30 Comment
  UC157687  Armeria maritima subsp. californica Milo S. Baker Apr. 1899 Sonoma Dillon's Beach Comment
  UC445109  Armeria maritima subsp. californica Katharine Brandegee June 1905 Sonoma Bodega Comment
  UCD98489  Armeria maritima subsp. californica Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 47 Sonoma Unit 2 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UCD14373  Armeria maritima subsp. californica L. Coats 1983-5-17 25 Sonoma Sonoma Co., along Highway 1, 4.3 miles north of Salt Point State Park; 21 Comment
  CAS-BOT-BC82566  Arnica discoidea Alice Eastwood; John Thomas Howell 1939-6-11 7410 Sonoma Near [Triniti] Trinity P.O., Hood Mt. Range Comment
  CDA391  Arnica discoidea D. G. Kelch 2003-7-14 3 .376 Sonoma Cavedale Road. Comment
  RSA0065159  Arnica discoidea Greg de Nevers 1997-4-24 10956 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC82565  Arnica discoidea Catherine Best 1981-6-5 s.n. Sonoma at Warm Springs Dam Overlook Comment
  CAS-BOT-BC172578  Artemisia Peter Rubtzoff 1970-9-3 6371 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UCD38477  Artemisia californica Beecher Crampton 1955-6-17 2971 Sonoma State Hwy. 1, 3.5 miles south of Fort Ross. Comment
  UCD129343  Artemisia pycnocephala D. R. Miller; D. S. Horning 1967-1-23 s.n. Sonoma Goat Rock Beach (near Jenner). Comment
  SEINET258281  Artemisia suksdorfii Leila M. Shultz, John S. Shultz 1986-9-20 10233 Sonoma 1 mile north of Jenner along Pacific Coast highway 6 Comment
  CDA2629  Arum italicum L. M. Harwood Jan 1972 Sonoma 5420 Volkerts Road, near junction with Hessel Road, ca. 4 1/2 miles southeast of Sebastopol. 0 Comment
  UC762327  Asarum caudatum Robert F. Hoover 1941-5-14 5100 Sonoma Hills north of Bodega Comment
  UCSB40584  Asarum caudatum Takeda, Brian 1978-5-28 Sonoma 20 miles north of Bodega Bay on highway 1 in a small Redwood canyon Comment
  RSA264768  Asclepias fascicularis Peter Rubtzoff 1975-8-15 8322 Sonoma Laguna, Chileno Valley. Comment
  SEINET955720  Asclepias solanoana Helen K. Sharsmith 1952-1 4128 Sonoma Near junction of Socrates Mine Road with Pine Flat-Middletown Road, Mayacamas Mountains. 975 Comment
  UC42400  Aspidotis californica F. T. Bioletti 1892-5-15 Sonoma Hood's Peak Comment
  CAS-BOT-BC178663  Astragalus claranus John Thomas Howell 1931-4-19 6431 Sonoma Grassy meadow, 12.5 miles from St. Helena on Spring Mountain Road to Santa Rosa Comment
  CAS-BOT-BC186820  Astragalus gambelianus A. A. Heller; H. E. Brown 1902-4-4 5214 Sonoma Hills East of Santa Rosa Comment
  UC19232  Astragalus gambelianus Michener and Bioletti June 1893 Sonoma Hood's Peak Comment
  CAS-BOT-BC66146  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1957-6-28 3384 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC66157  Athyrium filix-femina var. cyclosorum John H. Thomas 1976-6-16 18291 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  SBBG221  Athyrium filix-femina var. cyclosorum H. and M. Dearing 1939-5-15 3385 Sonoma N of Fort Ross Comment
  UC1299654  Athysanus pusillus Freed Hoffman 1947-2-28 610 Sonoma near. headwaters of Gilliam Creek Guerneville; North Coast Ranges, Gilliam Creek Comment
  RSA0018575  Atriplex Peter Rubtzoff 1958-9-6 3988 Sonoma Laguna de Santa Rosa, east of Sebastopol Comment
  UC7079  Atriplex triangularis J. Burtt Davy 1897-9-19 4057 Sonoma Petaluma Comment
  SEINET10882908  Avena P. Rubtzoff 1972-5-25 Rubtzoff 6766 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC145721  Avena fatua G. DeNevers 1981-4-23 793 Sonoma Pepperwood Ranch. Pippindale Farm. Comment
  CAS-BOT-BC145722  Avena fatua David L. Morgan 1956-6-15 s.n. Sonoma Approximately 2.5 miles southwest of Petaluma on the San Antonio Road. Comment
  CAS-BOT-BC154143  Baccharis douglasii Peter Rubtzoff 1955-9-24 2147 Sonoma Duncans Mills Marsh. Comment
  RSA94308  Baccharis douglasii Peter Rubtzoff 1951-8-4 575 Sonoma Open area between the Upper and Lower marshes Comment
  CAS-BOT-BC99595  Baccharis pilularis Marcus E. Jones 1882-7-8 s.n. Sonoma [Duncan's] Duncans Mills Comment
  HSC5129  Baccharis salicifolia Greg Bos 1963-5-5 82 Sonoma Pina Creek, out of Healdsburg 91 Comment
  CAS-BOT-BC16693  Barbarea orthoceras A. A. Heller; H. E. Brown 1902-3-20 5106 Sonoma Near Windsor. Comment
  CAS-BOT-BC16694  Barbarea orthoceras Peter Rubtzoff 1951-6-9 163 Sonoma Pitkin Marsh, near Forestville. Forest south of the Upper Marsh. Comment
  CAS-BOT-BC145874  Beckmannia syzigachne John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  SEINET10967575  Beckmannia syzigachne H. P. Bracelin 1930-7-27 Bracelin 20 Sonoma On Redwood slope. One mile north of Fort Ross. Comment
  CDA43436  Bellardia trixago Stephanie Larson 2015-7-21 PDR# 49 UP06191162 Sonoma Near Highway 37. 0 Comment
  CAS-BOT-BC106395  Bellis perennis Alice S. M. McKenzie 1981-2-12 25 Sonoma Calif. State Hwy. 1 at marker #44.53 - Coast between Russian and Gualala Rivers Comment
  UCD164214  Bidens cernua Peter Rubtzoff; Nancy Harrison, Edward Lee, Kenneth Stocking 1979-7-21 9293 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC290560  Bidens frondosa Peter Rubtzoff 1958-9-20 3995 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  UCR248930  Bidens frondosa Peter Rubtzoff 1973-9-4 7297 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  CAS-BOT-BC300480  Bidens frondosa Peter Rubtzoff 1958-7-20 3785 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road) Comment
  SEINET11842881  Bidens frondosa W. Knight, Knight, I. 1984-1 5291 Sonoma Spring Lake, Santa Rosa Comment
  JEPS54478  Bidens laevis Rimo Bacigalupi 1967-8-30 9311 Sonoma in central part of upper Pitkin Marsh (just below (s of) confluence of two upper (n) arms, very close to) 45 Comment
  UCR250392  Bidens laevis Peter Rubtzoff 1958-9-27 4015 Sonoma Laguna de Santa Rosa, northeast of Graton, 0.5 mi north of Guerneville Road 20 Comment
  CAS-BOT-BC290575  Bidens laevis Peter Rubtzoff 1962-11-8 5129 Sonoma Pitkin Marsh, near Forestville. Comment
  JEPS35788  Blennosperma bakeri Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8929 Sonoma along Hayes St. just s Bettencourt (southern outskirts of town, at type locality); Sonoma 19 Comment
  CAS-BOT-BC100253  Blennosperma bakeri Rimo Bacigalupi; R. Ornduff; L. Heckard 1964-3-25 8924 Sonoma In pastures along (east of) Arnold Drive, 0.7 mile north of its junction with State Highway 37, south of Sonoma Comment
  NY30994  Blennosperma bakeri L. S. Rose 1949-3-27 49015 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY31010  Blennosperma californicum E. Samuels 106 Sonoma Comment
  OBI48606  Blennosperma nanum Michener and Bioletti, Bioletti April 1893 Sonoma Kenwood Comment
  CAS-BOT-BC105959  Blennosperma nanum var. nanum J. Clausen 1933-3-25 729 Sonoma Between Warfield and Kenwood, along the highway. Comment
  UC353927  Blennosperma nanum var. nanum Milo S. Baker 1928-3-24 2617 b Sonoma near, along Pacific Hiway Windsor Comment
  CAS-BOT-BC154868  Boisduvalia Peter Rubtzoff 1974-5-26 7491 Sonoma 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA790899  Boisduvalia Peter Rubtzoff 1974-5-26 7491 Sonoma 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC154953  Boisduvalia densiflora Peter Rubtzoff 1954-9-6 1739 Sonoma Guerneville Marsh. Comment
  RSA94294  Boisduvalia densiflora var. densiflora Peter Rubtzoff 1951-7-14 455 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  RSA791564  Boisduvalia glabella Peter Rubtzoff 1960-6-25 4515 Sonoma Sonoma County Marshes: Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville Roads. Comment
  RSA791579  Boisduvalia glabella Peter Rubtzoff 1962-7-6 4976 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC322141  Bolboschoenus maritimus Peter Rubtzoff 1955-8-6 2021 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC368070  Boykinia Greg de Nevers 1998-5-31 11268 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Mark West Creek below Michele Lane. 400 Comment
  CAS-BOT-BC418500  Boykinia occidentalis Lizzie Way 1886-6-1 s.n. Sonoma Mark West Creek Comment
  RSA331975  Boykinia occidentalis Dave Kelly, W. Wisura 1985-7-26 4058 Sonoma Sugarloaf Ridge State Park E of Santa Rosa. Comment
  CAS-BOT-BC145444  Brachypodium distachyon G. DeNevers 1981-5-15 1188 Sonoma Pepperwood Ranch. On the ridge above Hansel's Lake, in a roadcut. Comment
  HREC396 Image available Brachypodium distachyon Kerry L. Heise 1997-5-8 2025 Sonoma IHRMP study site #6 Asti. 1 1/2 mi south of Asti. Comment
  SEINET259061 Image available Brachypodium phoenicoides P. G. Connors 1991-6-5 128 Sonoma Sonoma Coast State Beach; North of Bodega Bay in Salmon Creek Dunes within State Park Boundary Comment
  CHSC91447  Brassica rapa Richard R. Halse 1987-2-22 3374 Sonoma Along State Hwy. 121, .4 miles E of its junction with State Hwy. 116 at Big Bend in the Sonoma Valley. 6 Comment
  CAS-BOT-BC376301  Brassicaceae Greg de Nevers 1989-2-1 9035 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Murry. 400 Comment
  UC750805  Briza maxima Charles B. Heiser Jr. 1946-5-19 1739 Sonoma w Santa Rosa; Vine Hill Comment
  UCD57168  Briza maxima Roxana S. Ferris; Laura Lorraine 1961-6-14 13530 Sonoma Junction of Bittner Rd. with Joy Rd. between Occidental and Bodega. Comment
  UCD57143  Briza maxima David L. Morgan 1956-5-23 s.n. Sonoma On Bay Hill Rd. 3 mi. W of junction of State Highway 1. Comment
  UCD57371  Briza maxima C. H. Lamoureux 1957-4-7 1193 Sonoma 1 mile north of junction of State Highway 12 and Calistoga Road (which leaves Highway 12 3.5 miles east of Santa Rosa). Comment
  CAS-BOT-BC145279  Briza minor Michener; Bioletti 1893-6-1 s.n. Sonoma Kenwood. Comment
  CAS-BOT-BC145298  Briza minor L. Beane; Lois E. James 1949-5-16 1946 Sonoma About 3 miles south of Healdsburg. Comment
  CAS-BOT-BC145302  Briza minor Alice Eastwood 1921-4-24 10373 Sonoma Santa Rosa. Comment
  CAS-BOT-BC145301  Briza minor Saichi Kawahara 1968-4-20 307 Sonoma 100 yards south of Cannon Lane, off Lakeville Road. 3 Comment
  CAS-BOT-BC140074  Brodiaea californica var. leptandra Roger Raiche 1985-6-22 RR 50553 Sonoma West side of Dry Cr Valley and west of town site of Dry Creek, unnamed ridge north of Crane Cr and south of Bradford Mt. 161 Comment
  JEPS7639  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-23 7658 Sonoma Mark West Springs Comment
  CAS-BOT-BC484389  Brodiaea elegans subsp. elegans G. DeNevers 1981-6-27 1682 Sonoma Pepperwood Ranch, walk up the creek from Franz Valley Road through the Devil's Kitchen, west of creek Comment
  RSA173355  Brodiaea elegans subsp. elegans Walter Knight 1117 Sonoma McDowell Road about 0.5 mile from Casa Grande Road. Comment
  CAS-BOT-BC486464  Brodiaea terrestris subsp. terrestris Rimo Bacigalupi 1926-3-27 1251 Sonoma Meadow opposite Myrtle dale gyser 11/2 miles north of Calistoga Comment
  CAS-BOT-BC486473  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1951-6-2 85 Sonoma Uppermost part of the northern branch of the Upper Marsh, near the edge of the thickett Comment
  CAS-BOT-BC487730  Brodiaea terrestris subsp. terrestris John Thomas Howell 1945-5-30 20904 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC144150  Bromus F. G. Krauss 1895-5-6 s.n. Sonoma Near Franz Valley, Calistoga. Comment
  CHSC100547  Bromus carinatus Beecher Crampton 1955-6-8 2831 Sonoma At Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  UCD58187  Bromus carinatus David L. Morgan 1961-4-11 s.n. Sonoma Hwy. 101, 3 min. S of Petaluma. Comment
  SEINET249950 Image available Bromus carinatus var. carinatus Beecher Crampton 1955-6-8 2831 Sonoma At Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  UC1155624  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1942-5-12 3232 Sonoma Sebastopol Comment
  UCD161375  Bromus carinatus var. marginatus James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, (Elevation and exact location estimated by label maker.) 731 Comment
  CAS-BOT-BC155955  Bromus commutatus John Thomas Howell 1947-6-26 23305 Sonoma Cunningham Marsh. Comment
  CDA43044  Bromus commutatus G. Radieve & J. Curtis 2014-4-14 Sono 0479 Sonoma Sugarloaf Ridge State Park. 0 Comment
  CAS-BOT-BC155215  Bromus hordeaceus Walter Knight; Irja Knight; J. T. Howell 1987-5-27 6275 Sonoma Dodd Road Preserve. 24 Comment
  SEINET3923003  Bromus japonicus Fred W. Hoffman 1941-7-5 2079 Sonoma Forestville, CA.; 0 Comment
  CAS-BOT-BC162393  Bromus laevipes David L. Morgan 1956-6-10 s.n. Sonoma On the Bennett Valley Road, in Crane Canyon, 1 mile east of the junction of the Petaluma-Hill Road. Comment
  UCD58886  Bromus laevipes Beecher Crampton 1959-6-16 5365 Sonoma 3 miles west of Graton. 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
  UCD60243  Bromus vulgaris B. Crampton 1955-6-17 2928 Sonoma 1.6 miles west of Forestville. Comment
  CAS-BOT-BC233704  Buddleja davidii Catherine Best 1984-8-18 1042 Sonoma Russian River Highway about .5 miles east of Monte Rio Comment
  CAS-BOT-BC36909  Cakile maritima var. maritima Roxana S. Ferris 1937-8-18 9370 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  POM232048  Cakile maritima var. maritima Roxana S. Ferris 1937-8-18 9370 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC185411  Calamagrostis bolanderi Peter Rubtzoff 1951-6-10 194 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC185412  Calamagrostis bolanderi Roxana S. Ferris; Laura Lorraine 1961-6-14 13537 Sonoma Joy Road grade, 1.8 mile from junction with Bodega Highway. Comment
  UCR254900  Calamagrostis crassiglumis Peter Rubtzoff 1966-5-29 5741 Sonoma Pitkin Marsh, near Forestville 38 Comment
  UC768853  Calamagrostis koelerioides Robert F. Hoover 1941-6-7 5312 Sonoma 2 mi se Monte Rio (on road to Camp Meeker) Comment
  CAS-BOT-BC185133  Calamagrostis nutkaensis Peter Rubtzoff 1952-5-21 1058 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CLARK-A1528-4568  Calamagrostis nutkaensis John C. Roos 1950-7-22 4869 Sonoma Jenner 30-60 Comment
  RSA55254  Calamagrostis nutkaensis Timothy S. Ross 1938-7-7 2926 Sonoma Near Ft. Ross. Comment
  CAS-BOT-BC185116  Calamagrostis ophitidis Catherine Best 1957-5-16 4039 Sonoma Hot Springs Road, 3 miles southwest of Cloverdale. Comment
  CAS-BOT-BC185119  Calamagrostis ophitidis Catherine Best 1983-4-16 s.n. Sonoma Along the Bohemian Highway about 5 miles north of Occidental. Comment
  CAS-BOT-BC438601  Calandrinia ciliata Peter Rubtzoff 1959-4-18 4030 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Road crossing. Comment
  CAS-BOT-BC438602  Calandrinia ciliata Peter Rubtzoff 1954-9-4 1727 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC438607  Calandrinia ciliata Peter Rubtzoff 1952-3-23 885 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west. Comment
  CAS-BOT-BC273248  Calendula arvensis John Thomas Howell 1946-3-31 21591 Sonoma Just east of Sonoma Comment
  UC750590  Calendula arvensis J. Thomas Howell 1946-3-31 21591 Sonoma orchards and fields just e of Sonoma Comment
  CAS-BOT-BC273238  Calendula arvensis Milo S. Baker 1946-4-2 11306 Sonoma Along overflow channel West of Sonoma Cr. a mile or so south of El Verano Comment
  SEINET11845325  Calendula arvensis W. Knight, Knight, I. 1990-1 6576 Sonoma 1.2 mi S of Warm Springs Rd (Kenwood) Comment
  UC17873  Callitriche heterophylla var. bolanderi F. T. Bioletti Apr 1893 Sonoma Kenwood Comment
  UCR249031  Callitriche marginata Peter Rubtzoff 1974-4-17 7370 Sonoma Upper Green Valley Marsh Comment
  RSA0037209  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4607 Sonoma Upper Stemple Creek Marsh. Comment
  UC1197699  Calochortus amabilis Joseph P. Tracy 1933-5-1 12126 Sonoma Knights Valley Mayacama Creek 152 Comment
  UCD160859  Calochortus amabilis James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3297 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC483278  Calochortus amabilis F. G. Krauss 1895-5-6 s.n. Sonoma Mountains near Franz Valley Comment
  JEPS61686  Calochortus luteus W. L. Jepson 1918-6-23 7659 Sonoma e of Mark West Springs; Mark West Creek Comment
  SEINET4998947  Calochortus raichei Unknown 1995-6-25 093 .95 Sonoma N of Cazadero; The Cedars; Red Slide Creek drainage; at the top of Red Slide Falls Comment
  UCD139582  Calochortus tolmiei Mary M. Hektner 1975-4-30 192 A Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC494036  Calochortus tolmiei Mary P. Wells 1972-4-22 s.n. Sonoma On mound on Lot 10, unit15 near the cliff, The sea Ranch Comment
  CAS-BOT-BC494039  Calochortus tolmiei Dorothy Scherer 1997-3-24 075 Sonoma Grassy area south of Kolmer Gulch and ca 300' east of Hwy one. Fort Ross State Historic Park 91 Comment
  CAS-BOT-BC132636  Calochortus uniflorus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  JEPS86292  Calycadenia multiglandulosa Jack and Betty Guggolz 1989-6-6 1020 Sonoma n side of intersection of Facindini Lane and Occidental Road Comment
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Oct 16 2006
  JEPS86803  Calycadenia multiglandulosa Jack and Betty Guggolz 1991-7-20 1209 Sonoma 2 mi nw of Camp Meeker 182 Comment
  RSA144720  Calycadenia multiglandulosa subsp. cephalotes Roxana S. Ferris 1961-6-14 13548 Sonoma Junction of Occidental Road with Facendini Lane Comment
  RSA93402  Calycadenia multiglandulosa subsp. cephalotes Milo S. Baker 1932-6-9 6000 Sonoma 1 mile east of Occidental Comment
  UCD129825  Calycadenia pauciflora Gerald D. Carr 1972-3-20 687 Sonoma 1.0 mile west of Westside Road on Mill Creek Road, 2.5 miles southwest of Healdsburg, south-facing serpentine slope. 106 Comment
  UCD129888  Calycadenia truncata K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC272755  Calycadenia truncata subsp. truncata Walter Knight; Irja Knight 1963-9-15 293 Sonoma Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC272761  Calycadenia truncata subsp. truncata Greg de Nevers 1990-7-24 9681 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Devils Kitchen 457 Comment
  UC400137  Calycanthus occidentalis Ynes Mexia 1929-6-2 2397 Sonoma near Santa Rosa Comment
  CAS-BOT-BC91015  Calycanthus occidentalis Helen D. Geis 1902-8-1 s.n. Sonoma Unspecified. Comment
  UC1794971  Calystegia R. K. Brummitt and T. F. Daniel 1997-5-31 19615 Sonoma 10 km NE of Santa Rosa, Pepperwood Ranch Natural Preserve, near of Bechtel Cabin. Comment
  UC23186  Calystegia collina subsp. oxyphylla Edw. L. Greene 1892-1 Sonoma Mt. St. Helena Comment
  JEPS86313  Calystegia occidentalis subsp. occidentalis Jack and Betty Guggolz 1988-6-13 946 Sonoma Pine Flat Road 5.85 mi from its junction with Hwy 128; Pine Flat Road Comment
  RSA394815  Calystegia purpurata J. Russell Bruff 1968-5-1 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC32999  Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  JEPS78953  Calystegia purpurata subsp. saxicola Edward Lee with Annetta Carter 1936-6-21 2245 Sonoma on Bodega-Bodega Bay Road 2.2 mi from Bodega Bay Bodega Bay; 2.2 mi from Bodega Bay Comment
  RSA710253  Calystegia purpurata subsp. saxicola R. K. Brummitt 1997-6-10 19682 Sonoma 1 km S of Sereno Del Mar, just S of Schoolhouse Beach 15 Comment
Read comments
Mar 15 2013
  CAS-BOT-BC436454  Calystegia subacaulis Alice Eastwood 1921-5-8 10473 Sonoma Petaluma Comment
  JEPS18142  Calystegia subacaulis Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5664 Sonoma Along and just above creek-bed, headwaters of Big Austin Creek, vicinity of The Cedars, near Layton Chromite Mine. 266 Comment
  UC1299583  Calystegia subacaulis Freed W. Hoffman 1947-6-4 527 Sonoma North Coast Ranges. East Austin Creek . Comment
  UC1134551  Camassia quamash E. Armstrong 1934-4-22 1196 Sonoma 1 mi ne of Occidental 91 Comment
  RSA186557  Camissonia micrantha Peter H. Raven 1963-4-28 18245 Sonoma between town of Bodega and Bodega Head. Comment
  HSC16508  Camissonia ovata James Faro 1962-4-14 9 Sonoma Salt Point Ranch, about 5 mi. N of Fort Ross Comment
  RSA799990  Camissonia ovata Peter Rubtzoff 1969-5-24 6059 Sonoma 6.5 miles NE of Penngrove, on Lichan Road. 427 Comment
  UC903745  Campanula angustiflora Milo S. Baker 1947-5-8 11756 Sonoma at top Rose Butte; Hood Mt. 243 Comment
  CAS-BOT-BC266420  Campanula californica Herbert L. Mason 1946-7-4 12894 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  CHSC79974  Campanula californica Melissa Brooks; Colette Beaupre 2000-7-20 Sonoma Near Sea Ranch, Ca on Gualala Redwoods, Inc. property, in portion of German Rancho. MDB and M. 60 Comment
  CAS-BOT-BC266417  Campanula californica Mary P. Wells 1984-8-8 430 Sonoma Deer Trail, The Sea Ranch Comment
  SEINET10905986  Campanula californica Mason 1946-7-4 Mason 12894 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  SEINET10972060  Campanula prenanthoides Unknown 1896-7-18 Blasdale s.n. Sonoma Cazadero Comment
  CHSC10119  Capsella bursa-pastoris S. N. Wiemeyer 1962-4-20 28 Sonoma 3/4 mile east of County Hospital along Chanate Rd. 121 Comment
  CAS-BOT-BC37195  Capsella bursa-pastoris Walter Knight; Irja Knight 1963-10-6 490 Sonoma Petaluma. Jess Street. Comment
  CAS-BOT-BC37770  Cardamine californica F. Almeda; G. DeNevers 1981-3-30 4889 Sonoma Pepperwood Ranch. Summit and east-facing slope of Three Tree Hill. Comment
  CAS-BOT-BC37773  Cardamine californica George H. Mallory 1920-3-29 s.n. Sonoma On east side of Rincon Valley 6 miles east of Santa Rosa. Comment
  CAS-BOT-BC37774  Cardamine californica Peter Rubtzoff 1953-5-18 1408 Sonoma South of Guerneville (Neeley Hill area). Comment
  UC10435  Cardamine californica F. T. Bioletti 1894-1 Sonoma Kenwood Comment
  POM272804  Cardamine californica var. integrifolia Lyman Benson 1929-3-21 1026 Sonoma 5 miles S of Petaluma. Comment
  CDA18778  Cardamine hirsuta Boris Korotyaev 2000-3-28 s.n. Sonoma Northern California; Bodega Bay. 0 Comment
  UC727777  Cardamine oligosperma Milo S. Baker 1946-4-2 11305 Sonoma ca 1 mi below El Verano (w bank Sonoma Creek); , below El Verano Comment
  CAS-BOT-BC38039  Cardamine oligosperma W. R. Dudley 1894-5-1 s.n. Sonoma Mountains west of Calistoga. Comment
  CAS-BOT-BC173834  Carduus Peter Rubtzoff 1962-6-1 4874 Sonoma Freestone Marsh. Comment
  RSA790301  Carduus pycnocephalus Peter Rubtzoff 1962-6-1 4874 Sonoma Freestone Marsh. Comment
  RSA790298  Carduus pycnocephalus Peter Rubtzoff 1976-5-30 8569 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC281795  Carduus tenuiflorus Catherine Best 1994-5-1 s.n. Sonoma Bodega Head Comment
  UCD164101  Carex Peter Rubtzoff; Nancy Harrison 1978-5-20 9184 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  UCR248908  Carex Peter Rubtzoff 1976-5-30 8562 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  CAS-BOT-BC422340  Carex Peter Rubtzoff; Betty Lovell 1975-8-11 8313 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC334525  Carex abrupta Peter Rubtzoff 1958-5-17 3658 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC353409  Carex abrupta Peter Rubtzoff 1958-6-1 3691 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road. Comment
  JEPS117069  Carex albida Peter Warner 2008-5-22 92 Sonoma Lower Pitkin Marsh, 1 mi SE of Forestville, on Sonoma Land Trust parcel, S of primary stream channel 44 Comment
  SEINET14443037  Carex albida Unknown Sonoma Comment
  RSA0021493  Carex amplifolia Peter Rubtzoff 1975-7-12 8199 Sonoma Jordan Oark, 1.7 miles northwest of Cobb. Along Kelsey Creek Comment
  CAS-BOT-BC18145  Carex athrostachya Peter Rubtzoff 1959-5-30 4055 Sonoma Freestone Marsh. Comment
  UCD112451  Carex athrostachya Peter Rubtzoff 1959-5-30 4055 Sonoma Freestone Marsh. Comment
  UCR208534  Carex athrostachya Peter Rubtzoff 1959-5-30 4055 Sonoma Freestone Marsh 79 Comment
  CAS-BOT-BC19370  Carex barbarae G. DeNevers 1981-6-20 1613 Sonoma Pepperwood Ranch. Along Leslie Creek. Comment
  UCR248956  Carex barbarae Peter Rubtzoff 1958-7-26 3800 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  UCR248957  Carex barbarae Peter Rubtzoff 1958-5-3 3623 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC19373  Carex barbarae John Kipping 1973-8-8 s.n. Sonoma Dry Creek Road, 12 miles from Healdsburg on road to Stewart Point. Comment
  CAS-BOT-BC19374  Carex barbarae John Kipping 1973-8-8 s.n. Sonoma Dry Creek Road, 12 miles from Healdsburg on road to Stewart Point. Comment
  UCR248865  Carex cusickii Peter Rubtzoff 1958-5-17 3678 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  CAS-BOT-BC18981  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13040 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC20473  Carex densa John Thomas Howell 1937-7-4 13073 Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC20495  Carex densa Peter Rubtzoff 1959-5-30 4064 Sonoma Sonoma County Marshes. Freestone Marsh. Comment
  CAS-BOT-BC246555  Carex densa Peter Rubtzoff 1958-5-3 3621 Sonoma Atascadero Creek Marsh Comment
  SEINET11052744  Carex densa Peter Rubtzoff 1960-5-15 4337 Sonoma Fife Creek Marsh [near Guerneville] Comment
  CAS-BOT-BC20474  Carex densa G. DeNevers 1981-3-25 570 Sonoma Pepperwood Ranch. North of 3 Tree Hill. Comment
  CAS-BOT-BC20502  Carex densa Peter Rubtzoff 1962-6-1 4862 Sonoma Sonoma County Marshes. Upper Freestone Marsh. Comment
  CAS-BOT-BC20508  Carex densa Peter Rubtzoff 1958-4-26 3603 Sonoma Sonoma County Marshes. Laguna de Santa Rosa east of Sebastopol. Comment
  RSA0031406  Carex exsiccata Peter Rubtzoff 1955-6-26 1906 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  CAS-BOT-BC19952  Carex exsiccata John Thomas Howell; J. W. Stacey 1937-6-6 13026 Sonoma Sebastopol. Comment
  UC727688  Carex feta Milo S. Baker 1946-5-13 11391 Sonoma s end of Pitkin Marsh Vine Hill Region Comment
  SD72053  Carex globosa John Thomas Howell 1955-6-2 30258 A Sonoma Near Vine Hill School. Comment
  CAS-BOT-BC20446  Carex globosa G. DeNevers 1981-6-20 1645 Sonoma Pepperwood Ranch. Comment
  SEINET10706382  Carex glomerata Henry N. Bolander Bolander 3824 Sonoma In meadow at Cloverdale. Comment
  RSA94276  Carex gracilior Peter Rubtzoff 1951-7-7 379 Sonoma Pitkin Marsh, near Forestville: Eastern branch of NE upper Marsh in partial shade on damp ground Comment
  CAS-BOT-BC21905  Carex harfordii Peter Rubtzoff 1957-5-4 3306 Sonoma Duncan Mills Marsh. At the border of the upper portion of the marsh. Comment
  UCR208532  Carex harfordii Peter Rubtzoff 1954-6-20 1499 Sonoma Guerneville Marsh Comment
Read comments
Feb 21 2013
  CAS-BOT-BC20470  Carex harfordii Mary P. Wells 1981-4-19 s.n. Sonoma Mooraker Road part way to Crows Nest Road. The Sear Ranch. Comment
  CAS-BOT-BC31172  Carex lemmonii John Thomas Howell 1957-6-13 32621 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC31178  Carex lemmonii Peter Rubtzoff 1951-6-16 235 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC329276  Carex leptopoda Peter Rubtzoff 1960-5-16 4359 Sonoma Duncans Mills Marsh. Comment
  UCR249048  Carex leptopoda Peter Rubtzoff 1954-6-19 1495 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC146626  Carex mendocinensis Alice Eastwood; John Thomas Howell; J. W. Stacey 1937-5-31 4494 Sonoma 2 miles south of Gualala River, Sonoma coast Comment
  RSA0015489  Carex nudata Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  CAS-BOT-BC119307  Carex obnupta John Thomas Howell; J. W. Stacey 1936-7-26 12676 Sonoma Pitkin Marsh, 5 mi N of Sebastopol. Comment
  CAS-BOT-BC119279  Carex ovalis Peter Rubtzoff 1952-3-23 883 Sonoma Pitkin Marsh, near Forestville. Eastern Branch of the Upper Marsh. Comment
  RSA107439  Carex ovalis L. S. Rose 1955-6-2 55060 Sonoma Pitkin Marsh, w. of Vine Hil Road, 10 mi. w. of Santa Rosa. 30 Comment
  RSA51980  Carex ovalis J. T. Howell 1947-6-5 23241 Sonoma Cunningham Marsh Comment
  JEPS117098  Carex pachystachya Peter Warner 2010-7-7 170 Sonoma Jenner Headlands, Middle Pasture, ~ 565 m, S 223 deg W of residence house Comment
  RSA0022347  Carex pachystachya Peter Rubtzoff 1975-7-3 8151 Sonoma Kenwood Marsh. Comment
  UCR248724  Carex serratodens Peter Rubtzoff 1962-6-19 4933 Sonoma Occidental Marsh 305 Comment
  UCR248926  Carex serratodens Peter Rubtzoff 1957-5-11 3341 Sonoma Occidental Marsh Comment
  UCR248927  Carex simulata Peter Rubtzoff 1975-7-3 8146 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC329279  Carex simulata Peter Rubtzoff 1975-7-3 8146 Sonoma Kenwood Marsh. Comment
  RSA0020333  Carex stipata Peter Rubtzoff 1960-5-22 4410 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville Roads.) Comment
  CAS-BOT-BC312703  Carex subbracteata Peter Rubtzoff 1955-5-14 1845 Sonoma Duncans Mills Marsh area above the marsh, along a western tributary of Orrs Creek. Comment
  CAS-BOT-BC350933  Carex tumulicola Peter Rubtzoff 1954-7-5 1541 Sonoma Guerneville Marsh. Comment
  RSA0031801  Carex tumulicola Peter Rubtzoff 1960-5-16 4345 Sonoma Duncans Mills Marsh. Borderland of the marsh. Comment
  UCD140928  Carex tumulicola Botany 102 Students 1993-5-8 292 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. Comment
  UCD19304  Carpobrotus edulis Terry Reedy 1974-5-11 204 Sonoma Bodega Head, between road and freshwater marsh. 3 Comment
  CAS-BOT-BC281916  Carthamus lanatus Peter H. Raven; R. Snow 1958-7-23 13684 Sonoma Near a farm above Wolf Creek, along road to Stewart's Point, 15.5 miles W of Skaggs Springs Comment
  CAS-BOT-BC281919  Carthamus lanatus Walter & Irja Knight; J. T. Howell 1988-7-9 s.n. Sonoma SE corner Adobe Rd and Petaluma Hill Rd. Penngrove Comment
  CDA6988  Carthamus lanatus T. C. Fuller 1970-9-29 19804 Sonoma North side of Valley Ford Road, 6 miles west of Petaluma. 0 Comment
  CDA36976  Carthamus leucocaulos J. H. Shelgren 1976-5-7 16 Sonoma Vicinity of Asti. 0 Comment
  SEINET13331041 Image available Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma 0.25 acre of weed scattered over 2 acres, abundant on both slopes of the dam of a reservoir, about 1 mi. W. of the Asti turn-off of the freeway, Hwy 101, Asti Comment
  JEPS31995  Castilleja Helen K. Sharsmith 1962-5-25 5480 Sonoma along road from Freestone to Occidental Comment
  JEPS3864  Castilleja W. I. Follett 1937-5-9 67 Sonoma 9 mi se Bodega Bay Comment
  JEPS3635  Castilleja applegatei subsp. martinii C. Ritchie Bell 1952-6-12 1143 Sonoma 3.7 mi e Pine Flat (on ridge near Sonoma-Lake County line); Mayacamas Range Comment
  HSC103519  Castilleja densiflora Thomas W. Nelson, Jane Nelson 1981-5-3 6463 Sonoma Along Pressley Rd., ~ 1 mi. N of junction with Roberts Rd. Comment
  UC1537454  Castilleja densiflora subsp. densiflora Gordon H. True Jr. 1938-4-13 860 Sonoma between Sonoma and Black Point Comment
  SEINET12320784  Castilleja foliolosa W. Knight, Knight, I. 1981-1 3970 Sonoma 2.3 mi up Cavedale Rd from jct of CA 12 Comment
  POM44369  Castilleja franciscana Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC243848  Castilleja latifolia Peter Rubtzoff 1952-6-10 1242 Sonoma Resort at east base of Fitch Mtn., near Healdsburg Comment
  UC1063396  Castilleja rubicundula subsp. lithospermoides H. S. Yates 1934-4-22 3840 Sonoma near Burke; Calistoga Quad. 60 Comment
  CHSC1708  Castilleja subinclusa subsp. franciscana 1947-3-31 Sonoma Bodega. 60 Comment
  UC353922  Castilleja subinclusa subsp. franciscana Milo S. Baker 1928-3-24 2721 a Sonoma 5 mi w Healdsburg (Martin Ranch) Comment
  JEPS35571  Castilleja wightii L. R. Heckard 1964-6-12 1383 Sonoma about 2 mi n Russian River (ravine off Calif Hwy 1, near the point where this road descends into Russian Gulch); Russian Gulch Comment
  UC26494  Castilleja wightii Harley P. Chandler 1900-5-25 710 Sonoma Bodega Bay Comment
  CAS-BOT-BC366948  Caulanthus lasiophyllus Greg de Nevers 1997-4-16 10945 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  CAS-BOT-BC48509  Ceanothus confusus Milo S. Baker 1939-3-20 9244 Sonoma ca. 4 mi. north of Santa Rosa on road past County Hospital 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
  JEPS81592  Ceanothus confusus R. Raiche and K. Zadnik 1982-3-27 20251 Sonoma NW of Hood Mountain (Rincon Ridge) Comment
  UC1281312  Ceanothus confusus H. E. McMinn 1944-11-5 5451 Sonoma Rincon Ridge, olive orchard Comment
  UC80038  Ceanothus confusus Katharine Brandegee 1889-4 74 Sonoma Mt. St. Helena Comment
  SEINET12211234  Ceanothus confusus W. Knight, Knight, I.; Edwards, S. 1985-1 6331 Sonoma Bradford Mt. NW of Healdsburg 762 Comment
  UC1281314  Ceanothus confusus Milo S. Baker 1940-1 10173 Sonoma Fitzsimmon's Grade Comment
  CAS-BOT-BC49197  Ceanothus cuneatus Walter Knight; Irja Knight 1963-12-27 477 Sonoma Summit, Pine Flat Rd. Comment
  CAS-BOT-BC49698  Ceanothus cuneatus var. ramulosus G. DeNevers 1981-4-1 604 Sonoma E side of road at Mark West Creekand Leslie Creek Comment
  RSA0028419  Ceanothus divergens A. A. Heller, H. E. Brown 1902-3-27 9008 Sonoma Western base of Mt. Hood. 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
  UC33653  Ceanothus foliosus F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  SEINET12210993  Ceanothus foliosus F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -102 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  SEINET11191419  Ceanothus foliosus subsp. foliosus C. L. Schmidt 1987-2-27 1135 Sonoma 4 miles up Cavedale from CA-12, Hooker Canyon. 500 Comment
  JEPS25144  Ceanothus foliosus var. foliosus G. Thomas Robbins 1959-5-16 4014 Sonoma Spring Mountain Road, between Calistoga Road and Sonoma-Napa County line Mayacamas Mountains 518 Comment
  UC1280760  Ceanothus foliosus var. vineatus H. E. McMinn 1941-4-26 5320 Sonoma 9 mi s. Gurniville Comment
  UC727740  Ceanothus foliosus var. vineatus Milo S. Baker 1946-4-29 11355 Sonoma along College Ave. Hwy. Vine Hill Region Comment
  UCD112132  Ceanothus foliosus var. vineatus Ray Prag 1970-6-9 s.n. Sonoma Vine Hill School Road, 3/4 mile east of Vine Hill Road. Comment
  UC1084483  Ceanothus foliosus var. vineatus G. Thomas Robbins 1938-4-15 257 Sonoma along road to Occidental W q Green Valley. Comment
  CAS-BOT-BC50009  Ceanothus gloriosus John Thomas Howell 1937-4-11 12908 Sonoma MS. Baker place, SW. slope of Mt. Hood Comment
  UCD112155  Ceanothus gloriosus var. exaltatus L. Whitney 1932-4-1 s.n. Sonoma Vine Hill district, Santa Rosa. Comment
  LA43584  Ceanothus gloriosus var. exaltatus Henry Reents; 1936-5-2 sn Sonoma 0.5 mi. past slough, on rd. to Rio Nido Comment
  UC917250  Ceanothus griseus C. B. Heiser Jr. 1946-4-13 1753 Sonoma Roadside near Jenner Comment
  UCD112175  Ceanothus incanus Collector unknown Date unknown s.n. Sonoma southeastern part of county. Comment
  SDSU10319  Ceanothus integerrimus D. F. Howe 1963-5-23 3529 Sonoma 4.0 miles N of Cloverdale on #128. 335 Comment
  HSC18295  Ceanothus integerrimus R. N. Neuns 1950-5-17 111 Sonoma 4 mi E of the Geyers (Airline) 991 Comment
  CAS-BOT-BC50649  Ceanothus jepsonii Gladys L. Smith 1977-3-30 4651 Sonoma Harrison Grade, Occidental region 457 Comment
  CDA31017  Ceanothus jepsonii D. G. Kelch, Troy McGregor 2010-8-22 10 .359 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  RSA130886  Ceanothus jepsonii E. K. Balls 1958-7-21 23586 Sonoma Edges of forest, Mixed Evergreen Forest, near Bohemian Grove, on road from Hwy 12 to Camp Meeker. 46 Comment
  UCD168054  Ceanothus jepsonii James Neilson 1978-6-9 3964 Sonoma Mayacmas Mountains, Shell Well Site E. Bear Ridge. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  RSA396204  Ceanothus jepsonii subsp. albiflorus F. H. Utech, Dick Walter, I. Knight 1984-4-18 84 -165 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane. 146 Comment
  UC583424  Ceanothus jepsonii var. albiflorus Elmer I. Applegate 1934-3-25 8860 Sonoma Pine Flat, W slope of Mayacama Mountains Comment
  UC1071244  Ceanothus parryi A. Lewis 1932-5-18 94 Sonoma Calabasas Creek Napa Quad., Calabasas Creek 457 Comment
  UCD170336  Ceanothus parryi D. O. Burge 2016-11-3 2195 Sonoma Mount Saint Helena, roadside on Ida Clayton Road. 600 Comment
  UCR141957  Ceanothus parryi Beecher Crampton 1955-6-17 2933 Sonoma North Coast Range, 3.3 miles west of Forestville, along State Highway 116 ['12'] 61 Comment
  SEINET12211132  Ceanothus parryi Unknown 1985-1 50183 Sonoma W of Healdsburg, Dry Creek area, ridge W of Dry Creek Valley & N of Dorman Canyon (Crane 244 Comment
  RSA757815  Ceanothus sonomensis Dylan O. Burge 2008-5-29 DOB 1002 c Sonoma Sonoma Mountains, Annadel State Park, above abandoned quarry at the end of Rhyolite Trail, accessed via Lawndale Trail, beginning at the Lawndale Trail Head on Lawndale Road, 4.65 km 272 degrees true west-northwest of Kenwood. 330 Comment
  SDSU10432  Ceanothus sonomensis D. F. Howe 1972-4-28 4812 Sonoma Trinity Rd., Mt Hood Range, Sonoma Range. 396 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
  UCD112701  Ceanothus sonomensis Roman Gankin 1966-3-3 689 Sonoma On south-facing slope in Hooker Canyon, below Cavedale Road, 3.1 miles east of junction with State Highway 12. Comment
  SEINET12210783  Ceanothus sonomensis W. Knight, Knight, I. 1982-1 4501 Sonoma Tilden Botanic Garden, Berkeley Comment
  SEINET12210863  Ceanothus sonomensis W. Knight, Knight, I. 1982-1 4625 Sonoma 305 Comment
  SEINET12211278  Ceanothus sonomensis W. Knight, Schmidt, C. 1987-1 6055 Sonoma Cavedale Road 274 Comment
  RSA606274  Ceanothus velutinus Jon E. Keeley 1993-9-11 24801 Sonoma Chaparral on S side of N Peak, Mt. St. Helena. 1050 Comment
  CAS-BOT-BC272113  Centaurea cyanus L. H. Huffins 1922-6-1 s.n. Sonoma Petaluma Comment
  CDA35750  Centaurea iberica A. Smith & A. McVicker 2011-6-1 PDR# 1597184 Sonoma Calistoga, 13250 Highway 128 0 Comment
  CAS-BOT-BC277161  Centaurea melitensis Peter Rubtzoff 1952-6-10 1220 Sonoma Northeast and east slope of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC277162  Centaurea melitensis Mary P. Wells 1984-5-24 292 Sonoma Annadel State Park, Santa Rosa Comment
  RSA121125  Centaurea solstitialis H. S. Yates 1935-10-3 5341 Sonoma Santa Rosa 53 Comment
  CAS-BOT-BC288808  Centromadia fitchii David D. Keck 1933-11-10 2726 Sonoma 1 mile E of Shellville Comment
  CAS-BOT-BC288810  Centromadia fitchii Walter Knight; Irja Knight 1965-9-12 1184 Sonoma Newanga Rd, near Santa Rosa, adjacent to flood control reservoir Comment
  CAS-BOT-BC384974  Cerastium arvense Roxana S. Ferris 1940-3-21 9840 Sonoma About 1/2 mi. n. of Fort Ross on State Highway #1 Comment
  CAS-BOT-BC388434  Cerastium glomeratum Alice Eastwood 1921-4-24 10382 Sonoma Santa Rosa Comment
  HSC4104  Cerastium glomeratum F. Demostene 1966-4-1 2 Sonoma 2 mi. E of Healdsburg Comment
  JEPS77255  Cerastium glomeratum Robert M. Lloyd 1963-4-24 2394 Sonoma 13.8 mi. from State Hwy. 12 on rd. to Oakdale 365 Comment
  SD134006  Ceratophyllum demersum Peter Rubtzoff 1955-8-27 2103 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC400233  Ceratophyllum demersum Peter Rubtzoff 1964-8-20 5464 Sonoma 1 mi. southeast of Jenner (nr. crossing of Hwys. 1 & 12) Comment
  POM68417  Cercis occidentalis Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  SEINET176827  Cercocarpus betuloides John T. Howell 1933-4-2 10938 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC135415  Cercocarpus betuloides var. betuloides A. A. Heller; H. E. Brown 1902-3-25 5147 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC279786  Chamaemelum fuscatum M. S. Baker 1940-5-18 9505 Sonoma 101 n. of Cloverdale on s. slope of hill near top of Swiss Italian Colony at Asti Comment
  CAS-BOT-BC279789  Chamaemelum fuscatum P. A. Munz 1952-3-23 17351 Sonoma Along highway 2 miles south of Asti Comment
  CAS-BOT-BC166669  Chenopodium Peter Rubtzoff 1975-9-7 8370 Sonoma South side of American River in the vicinity (west) of Watt Ave. bridge. Comment
  CAS-BOT-BC166798  Chenopodium Peter Rubtzoff 1971-8-9 6638 Sonoma Laguna, Chileno Valley. Comment
  RSA783838  Chenopodium Peter Rubtzoff 1971-7-23 6616 Sonoma Laguna, Chileno Valley. Comment
  UCD166094  Chenopodium Peter Rubtzoff 1971-7-23 6616 Sonoma Laguna, Chileno Valley. Comment
  UC168633  Chenopodium botrys T. S. Brandegee July, 1885 Sonoma Cloverdale Comment
  UC7286  Chenopodium botrys J. Burtt Davy Aug. 1896 4138 Sonoma Russian River Comment
  UCD164992  Chenopodium murale Peter Rubtzoff; Nancy Harrison 1974-9-7 7863 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. at creek crossing. Comment
  CAS-BOT-BC354325  Chlorogalum pomeridianum Peter Rubtzoff 1958-7-19 3765 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC493397  Chlorogalum pomeridianum G. DeNevers 1981-5-30 1416 Sonoma In Bertoli's creek, Pepperwood Ranch Comment
  CAS-BOT-BC499260  Chlorogalum pomeridianum F. G. Kraus 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  POM169099  Chlorogalum pomeridianum var. pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC361397  Chorizanthe Greg de Nevers 1993-5-10 10442 Sonoma Bodega Dunes State Beach, just north of Bodega Head. 0 Comment
  CAS-BOT-BC191550  Chorizanthe cuspidata var. villosa Walter Knight; Irja Knight 1963-8-13 164 Sonoma Horseshoe Cove Comment
  SEINET7067238  Chorizanthe cuspidata var. villosa A. G. Vestal 1947-5-13 s.n. Sonoma Base of dunes, Bodega Head. Coordinate datum: NAD27. UTM Zone 10, 505861mE, 4250832mN. Comment
  UC126079  Chorizanthe cuspidata var. villosa Katharine Brandegee June 1905 Sonoma Bodega Point Comment
  UCR255051  Chorizanthe polygonoides var. polygonoides Greg de Nevers 1993-4-27 10410 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  CAS-BOT-BC252850  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1925-5-9 11750 Sonoma Mt. St. Helena Comment
  SEINET7067231  Chrysanthemum segetum A. G. Vestal 1947-5-12 s.n. Sonoma About 3 miles east of Bodega Bay. Coordinate datum: NAD27. UTM Zone 10, 500177mE, 4243446mN. Comment
  UCR279624  Cichorium intybus Peter Rubtzoff 1961-9-6 4727 Sonoma Laguna de Santa Rosa, northeast of Gratton 24 Comment
  CAS-BOT-BC284427  Cirsium brevistylum John Thomas Howell 1930-6-8 5245 Sonoma 2 miles east of Bodega Comment
  CAS-BOT-BC280001  Cirsium douglasii var. douglasii Alice Eastwood 1915-6-29 4887 Sonoma Bodega Point Comment
  CAS-BOT-BC280002  Cirsium douglasii var. douglasii Ella Dales Cantelow 1941-6-7 3556 Sonoma 5.7 mi. n. of Fort Ross Comment
  CDA1484  Cirsium occidentale var. venustum T. C. Fuller 1958-5-24 4004 Sonoma 1.5 mi. N of Camp Meeker. 0 Comment
  RSA666353  Cirsium occidentale var. venustum Barbara Ertter, Lincoln Constance 1993-7-10 12100 Sonoma 5 miles beyond pavement on Rockpile Road west of Lake Sonoma (road to Annapolis) Comment
  CAS-BOT-BC280531  Cirsium quercetorum John Thomas Howell 1930-6-8 5247 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC280532  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  CAS-BOT-BC280541  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  CAS-BOT-BC280537  Cirsium quercetorum John Thomas Howell 1937-6-6 13047 Sonoma 7 miles n. of Petaluma on Stony Point road Comment
  CAS-BOT-BC280542  Cirsium quercetorum Mrs. H. C. Cantelow 1936-5-3 s.n. Sonoma Near El Verano Comment
  UC91787  Cirsium remotifolium var. odontolepis T. S. Brandegee 1893-6-30 Sonoma Cazadero Comment
  CAS-BOT-BC285802  Cirsium vulgare Walter Knight; Irja Knight 1963-8-26 183 Sonoma Hendren Ranch - Two Rocks Comment
  RSA594919  Clarkia John H. Thomas 1955-5-22 5182 Sonoma Along St. Helena Road and West Creek, 1.2 miles W of Sonoma - Napa County line, 6 miles from St. Helena 457 Comment
  UCD165170  Clarkia Peter Rubtzoff 1974-5-26 7498 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UC373536  Clarkia amoena Mrs. R. L. Wade 1928-8-16 Sonoma between Bodega and Bodega Bay 5 Comment
Read comments
Apr 14 2009
  UC58865  Clarkia amoena unknown 1894-6-27 1087 Sonoma near Bodega Bay (Coast Road) Comment
  UC423079  Clarkia amoena subsp. amoena Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  CHSC22113  Clarkia amoena subsp. huntiana Robert A. Schlising; Lloy Thurman 1962-6-15 2303 Sonoma Coast Ranges. Dutcher Creek Road, S of Cloverdale and Asti; roadside. Comment
  POM32042  Clarkia amoena subsp. huntiana Katherine Brandegee 1908-1 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC172345  Clarkia concinna Elsa G. Ruckert 1960-5-28 162 Sonoma Trinity Road, 1 mile from junction with Highway 12 243 Comment
  SEINET4143382  Clarkia concinna W. Roderick 1967-6-18 s.n. Sonoma Mark West Springs Road, NE of Santa Rosa 61 Comment
  UC1299414  Clarkia concinna subsp. concinna Freed W. Hoffman 1947-5-18 539 Sonoma Dutch Bill Creek North Coast Ranges Comment
  UC73322  Clarkia concinna subsp. concinna Miss M. Alice King May 1897 Sonoma near Healdsburg Comment
  POM194539  Clarkia concinna subsp. concinna Y. Mexia 1929-6-2 2394 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC162511  Clarkia gracilis subsp. gracilis G. DeNevers 1981-5-9 1032 Sonoma Pepperwood Ranch, just above the old Strebel Homestead Comment
  CAS-BOT-BC162512  Clarkia gracilis subsp. gracilis D. E. Breedlove 1980-6-27 44769 Sonoma Pepperwood Ranch W of Knights Valley Comment
  RSA449288  Clarkia gracilis subsp. sonomensis Christopher Davidson 1977-6-20 6004 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  SEINET12195100  Clarkia gracilis subsp. sonomensis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -246 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  LA30762  Clarkia imbricata Peter H. Raven; Richard Snow 1958-7-23 13692 Sonoma at 4551 Vine Hill Road, near Pitkin Marsh Comment
  UC930737  Clarkia purpurea subsp. quadrivulnera Alice Eastwood, John Thomas Howell 1939-6-11 7415 Sonoma near Triniti P.O.; Hood Mt. Range Comment
  UCD104912  Clarkia purpurea subsp. quadrivulnera Frederica Bowcutt 1994-5-21 1813 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, about 10 air miles E of Santa Rosa, and 1.5 air miles N of Kenwood, about 18 air miles NW of Napa. Along meadow trail about 3/4 mile from trailhead. 411 Comment
  CAS-BOT-BC164586  Clarkia purpurea subsp. viminea John Thomas Howell 1937-7-4 13067 Sonoma Near Petrified Forest Comment
  JEPS43668  Clarkia rhomboidea Eleanor Armstrong 1932-5-18 488 Sonoma 3 mi w Kenwood; Adobe Canyon 152 Comment
  UCD161396  Clarkia rhomboidea James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge crest between Big Sulphur Creek and Squaw Creek. (Exact location unkown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC165675  Clarkia unguiculata A. A. Heller 1902-6-11 5686 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CDA5445  Claytonia exigua D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .287 Sonoma Cavedale Rd. 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
  CAS-BOT-BC439416  Claytonia gypsophiloides M. S. Baker 1898-4-3 s.n. Sonoma Bet. Guerneville & Cazadero Comment
  CAS-BOT-BC439398  Claytonia gypsophiloides Barrett Anderson 1986-4-9 2875 Sonoma Ida Clayton Rd N of Kellogg. 745 Comment
  CAS-BOT-BC439403  Claytonia gypsophiloides Peter H. Raven; H. L. Mason; R. Ornduff; et al 1957-3-23 10530 Sonoma 1.1 mi. s. of Mendocino Co. line on State Highway 128, n. of Cloverdale Comment
  UCR265123  Claytonia parviflora subsp. parviflora Ann Howald 2015-4-1 3324 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  JEPS117129  Claytonia perfoliata Peter Warner 2010-3-29 122 Sonoma 1670 Bloomfield Road, approx. 3 km S of center Sebastopol Comment
  UCD144660  Claytonia perfoliata Rimy Waraich; Patty Togioka, Erik Beever 1993-5-8 228 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Pony Gate Trail. 304 Comment
  CAS-BOT-BC91529  Clematis lasiantha Greg de Nevers 1993-8-14 10489 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Devil's Kitchen. 457 Comment
  CAS-BOT-BC92750  Clematis ligusticifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC92753  Clematis ligusticifolia A. A. Heller 1902-7-8 5809 Sonoma Mark West creek north of Santa Rosa. Comment
  CAS-BOT-BC92754  Clematis ligusticifolia John I. Carlson 1917-7-23 s.n. Sonoma Preston. Comment
  UCD148396  Clinopodium Peter Rubtzoff 1957-6-28 3390 Sonoma Duncans Mills Marsh, upper portion of marsh. Comment
  UCD124941  Clinopodium douglasii Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-4 120 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA123629  Clintonia andrewsiana Allison Hastings 1940-4-12 s.n. Sonoma Coast Highway north of Fort Ross. Comment
  UCD13248  Clintonia andrewsiana Becky Wilson 1973-5-31 115 Sonoma Canyon Rd, W of Geyserville. Comment
  UCD167317  Collinsia greenei James Neilson 1977-6-7 3909 Sonoma Mayacmas Mountains, about 1/3 mi south east Lunar Point. (Location information obtained from Neilson 3911 which indicated that Lunar Point is west of Locke Cabin. Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET12329967  Collinsia heterophylla F. H. Utech 1986-1 86 -120 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 250 Comment
  UC614984  Collinsia sparsiflora var. arvensis Beryl O. Schreiber 1932-4-3 194 Sonoma road to Petrified Forest Comment
  POM182699  Collinsia sparsiflora var. arvensis D. D. Keck 1931-4-2 999 Sonoma Boyes Springs 30 Comment
  UC766311  Collinsia sparsiflora var. sparsiflora R. F. Hoover 1939-4-18 4045 Sonoma 3 mi w Graton (on road to Occidental) Comment
  JEPS22306  Collinsia tinctoria Rimo Bacigalupi 1958-5-24 6363 Sonoma just n Camp Meeker (n slope of Alder Creek Canyon, a small side canyon in Dutch Bill Creek Canyon); Alder Creek Canyon, Dutch Bill Creek Canyon 97 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
  UCSB31777  Collinsia tinctoria Townsend, J. 1977-5-30 Sonoma East side Russian river; about 2 miles south of Guerneville 335 Comment
  RSA79067  Collomia heterophylla E. K. Balls, Lee W. Lenz 1952-5-8 17114 Sonoma 0.4 mi s. of Franz Valley Road along road from Mark West Springs to Kellogg 107 Comment
  UCD127322  Conium maculatum Andreas Stohr 1996-5-19 27 Sonoma Roadside near to Pine Grove. 6 miles west of Petaluma. 100 Comment
  SJSU6041  Conium maculatum C. W. Sharsmith 1972-6-24 7803 Sonoma 0.5 mi E of Forestville NW of Sebastopol, southern Sonoma County Comment
  CAS-BOT-BC376337  Cordylanthus Greg de Nevers 1997-8-17 11074 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  SBBG33944  Cordylanthus pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge, E of Santa Rosa 91 Comment
  SJSU5741  Cordylanthus pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge E of Santa Rosa 91 Comment
  UC1239006  Cordylanthus pilosus subsp. pilosus Freed W. Hoffman 1946-8-14 783 Sonoma e of Camp Meeker Comment
  CHSC107300  Cordylanthus tenuis subsp. brunneus D. G. Kelch; Troy McGregor 2010-8-22 10 .353 Sonoma Nr Peak of Geyser Peak Rd. In open areas on serpentine. Comment
  RSA412354  Cordylanthus tenuis subsp. brunneus Francis W. Pennell 1940-7-3 26044 Sonoma Hoods Peak, NE of Kenwood 701 Comment
  SEINET12337123  Cordylanthus tenuis subsp. brunneus Unknown 1986-1 60302 Sonoma at Lake Co. line, Mayacamas Mts., Pine Mt. fireroad, ca 1.5 mi N of Ida Clayton Rd 823 Comment
  CAS-BOT-BC238231  Cordylanthus tenuis subsp. capillaris Catherine Best 1985-8-24 1140 Sonoma On Stoetz Lane about 2 mi northeast of Occidental Comment
  CAS-BOT-BC238232  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1955-7-11 55110 Sonoma 2 mi. e. of Occidental 243 Comment
  CAS-BOT-BC238237  Cordylanthus tenuis subsp. capillaris Walter Knight; Irja Knight 1963-8-13 175 Sonoma Harrison Grade, near Occidental at county dump rd. Comment
  JEPS57382  Cordylanthus tenuis subsp. capillaris L. R. Heckard and T. I. Chuang 1968-6-18 1953 Sonoma n Occidental (Stoetz Lane about 3/4 mi w of Harris grade road) Comment
  RSA537704  Cordylanthus tenuis subsp. capillaris T. I. Chuang 1970-7-25 6834 Sonoma Stoetz Road, west of Harrison Grade, 2.7 miles east of Occidental Comment
  UC1044679  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1947-7-15 11866 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  UC1096792  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1946-7-4 11523 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  UC1239007  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1946-8-14 784 Sonoma e Camp Meeker (on serpentine island); North Coast Ranges Comment
  CAS-BOT-BC209880  Cornus nuttallii A. T. Graff 1922-5-1 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC210436  Cornus sericea Peter Rubtzoff 1958-4-26 3589 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC210439  Cornus sericea John Thomas Howell 1946-8-17 22874 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC180191  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1964-2-16 527 Sonoma Mill Creek Road Comment
  UCD110070  Corylus cornuta subsp. californica Mary M. Hektner 1974-7-8 139 Sonoma Between State Highway 1 and Pacific Reach Road; Unit 24 Owners' Map, Sea Ranch. Comment
  CDA13750  Corylus cornuta var. californica G. F. Hrusa, R. Gross 1997-2-1 13620 Sonoma North Coast Ranges; Kortum Canyon Rd., approx. 1/4 mi. W of Hwy 29, immed. W of downtown Calistoga. Comment
Read comments
Jul 28 2008
  CAS-BOT-BC251216  Cotoneaster Peter Rubtzoff 1958-8-23 3905 Sonoma Laguna de Santa Rosa, east of Cunningham near Llano Road. Comment
  CAS-BOT-BC143501  Cotoneaster pannosus Mary P. Wells 1989-2-13 975 Sonoma At curve of Montecito Ave. opposite Manzanita Ave., Rincon Ridge, Santa Rosa Comment
  CAS-BOT-BC287241  Cotula australis Greg de Nevers 1992-4-6 10097 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Rd. By steps at Bechtel House 475 Comment
  CAS-BOT-BC173590  Cotula coronopifolia Peter Rubtzoff 1969-7-21 6119 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC290295  Cotula coronopifolia M. E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  UC912239  Cotula coronopifolia Herbert L. Mason 1926-3-20 2744 Sonoma s Calistoga (along rr right-of-way) Comment
  UCD130895  Cotula coronopifolia Charles B. Heiser Jr. 1946-4-13 1724 Sonoma 1 mile east of Jenner. Comment
  SD206992  Crassula Reid Moran, J. Vale 1989-5-3 Sonoma Sonoma Valley Regional Park; E of Glen Ellen. Comment
  CAS-BOT-BC368093  Crassula aquatica Greg de Nevers 1998-5-5 11227 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  CAS-BOT-BC427654  Crassula aquatica Peter Rubtzoff 1963-6-18 5177 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC427690  Crassula connata A. A. Heller; H. E. Brown 1902-4-14 5286 Sonoma Near Mark West Springs Comment
  SBBG50614  Crataegus douglasii D. Ryerson 1969-5-3 42 Sonoma W side of Jonive Rd, 0.5 mi N of jct with Bodega Hwy, ca. 1.5 mi NE of Freestone Comment
  CAS-BOT-BC143502  Crataegus gaylussacia Peter Rubtzoff 1958-5-4 3628 Sonoma Forestville Marsh Comment
  CAS-BOT-BC143507  Crataegus gaylussacia Peter Rubtzoff 1959-5-30 4062 Sonoma Freestone Marsh Comment
  UCD116522  Crocanthemum scoparium Frederica Bowcutt 1994-6-25 1917 Sonoma 609 Comment
  UCD18321  Crocanthemum scoparium Frank Chan 1998-11-1 s.n. Sonoma N of city of Sonoma, close to Hogback Mtn. Comment
  UC1299210  Crocanthemum scoparium var. vulgare Freed W. Hoffman 1947-7-30 1412 Sonoma near Guerneville; North Coast Ranges, Mt. Jackson Comment
  UC963925  Crocanthemum scoparium var. vulgare Milo S. Baker 1947-5-30 11770 Sonoma sw slope Hood Mt. Comment
  UCD142091  Croton setiger Barbara Ertter 1988-11-5 8033 Sonoma Lake Sonoma ca 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  CDA4460  Crupina vulgaris G. D. Barbe 1991-6-6 4430 Sonoma Inside western boundary of Annadel State Park, Santa Rosa. Comment
  CAS-BOT-BC190104  Crypsis schoenoides Peter Rubtzoff 1970-8-18 6309 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC376307  Cryptantha Greg de Nevers 1992-5-24 10155 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Turtle Pond. 475 Comment
  SEINET483798  Cryptantha leiocarpa F. R. Stermitz 1992-4-13 Sonoma Sand dune west of dormitories - Bodegee Bar reserve Comment
  UC905112  Cryptantha muricata Milo S. Baker 1947-5-7 11735 Sonoma near base of Sugar Loaf (sw slope of Hood Mt.); Hood Mt. 365 Comment
  RSA785748  Cucurbita Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  UC1220420  Cupressus goveniana subsp. pygmaea J. A. Delapp 1962-11-6 65 Sonoma 0.8 mi S of Plantation 274 Comment
  RSA178043  Cupressus macnabiana Robert F. Thorne 1965-4-20 34367 Sonoma Head of Hooker Canyon on Cavedale Road, north of Sonoma 610 Comment
  CAS-BOT-BC85426  Cupressus sargentii Roxana Stinchfield Ferris; L. Lorraine 1961-6-15 13565 Sonoma Harrison Grade 1.3 mi. from junction with Green Valley Road Comment
  CAS-BOT-BC85458  Cupressus sargentii W. Knight; Irja Knight 1963-12-27 455 Sonoma Pine Flat Rd, Circle 8 Ranch Comment
  JEPS18144  Cupressus sargentii Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5666 Sonoma vicinity The Cedars (near Layton Chromite mine, headwaters of Big Austin Creek); Big Austin Creek 266 Comment
  JEPS82410  Cupressus sargentii Roger Raiche 1983-9-20 30726 A Sonoma ridge s Duvoul Creek (e of Bohemian Highway (n of Camp Meeker)) Comment
  UCD132955  Cupressus sargentii G. F. Hrusa; T. D. Wilfred 1995-12-3 12483 Sonoma Large grove imeediately NW of summit of Chalk Moutian. Foote Ranch Property at NW base of Mt. St. Helena. 500 Comment
  NY16847  Cupressus sargentii C. B. Wolf 1934-10-13 6184 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET11739563  Cupressus sargentii F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -241 Sonoma end of Stoetz Road 200 Comment
  CAS-BOT-BC182775  Cuscuta pentagona Peter Rubtzoff 1970-9-8 6384 Sonoma Sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  CAS-BOT-BC376230  Cynodon Greg de Nevers 1996-9-23 10880 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek x Piny Canyon 487 Comment
  CAS-BOT-BC190346  Cynodon dactylon John Thomas Howell; Walter Knight; Irja Knight 1987-5-20 6233 Sonoma Todd Road Preserve. 24 Comment
  CAS-BOT-BC190349  Cynodon dactylon Peter Rubtzoff 1958-7-26 3805 Sonoma Laguna de Santa Rosa east of Sebastapool. Comment
  UC1026477  Cynodon dactylon Peter Rubtzoff 1951-7-14 425 Sonoma Pitkin Marsh, southern half of Lower Marsh; near Forestville Comment
  UCD144421  Cynodon dactylon Frederica Bowcutt 1996-5-24 2165 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. Approx. 1.2 air miles S of Red Mountain. Adobe Canyon just NW of Sonoma/Rattlesnake Creek confluence. Along Adobe Canyon Road in front of Bud Getty's house, near service area and coral. 365 Comment
  UCR248769  Cynodon transvaalensis Peter Rubtzoff 1970-9-13 6385 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  HSC3637  Cynoglossum grande R. F. Good 1962-4-19 29 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes 46 Comment
  HSC3650  Cynoglossum grande R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1337 Sonoma Near the Big Geysers Comment
  SEINET180832  Cynoglossum grande E. Tucker 1936-4-5 Sonoma Camp Meekee Comment
  SEINET9355702  Cynoglossum grande John Nelson, Wnek, R. 2000-3-7 20935 Sonoma Open ground of steep slope, N edgeo f Hwy 116 just W of Fern Grove cabins on W side of Guerneville With Oxalis oregana, Stachys rigida, Nemophila parviflora, Comment
  UCR121479  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2000-6-18 5699 Sonoma Outer North Coast Ranges, along Calif. Hwy 128, 0.5 mi south of Mendocino Co. line 381 Comment
  CAS-BOT-BC114772  Cyperus acuminatus Peter Rubtzoff 1987-10-17 9873 Sonoma Russian River ca. 6 miles E of Guerneville. Comment
  UC662460  Cyperus eragrostis N. W. Frazier 1941-10-19 8 Sonoma along Russian R. Geyserville; Russian R., Geyserville Comment
  CAS-BOT-BC350943  Cyperus niger Peter Rubtzoff 1970-7-17 6290 Sonoma 5 miles north of Sears Point. Comment
  UCD69401  Cyperus niger J. Thoits 1997-10-15 Sonoma Area north of Lakewood Hills, a gated community in Windsor (north of Santa Rosa), approximately 1-2 miles from Hwy 101 on the east side of the freeway. Comment
  CAS-BOT-BC113900  Cyperus niger var. capitatus Helen D. Geis 1902-8-1 565 Sonoma Cloverdale. Comment
  CAS-BOT-BC435191  Cypselea humifusa Peter Rubtzoff 1966-9-25 5827 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  CAS-BOT-BC435192  Cypselea humifusa Peter Rubtzoff 1969-8-24 6145 Sonoma Pond on River Road 3 mi. west of Fulton. Comment
  UC1063767  Cystopteris fragilis E. Armstrong 1934-3-26 919 Sonoma 3 mi w Camp Meeker; Sebastopol Quadrangle Comment
Read comments
Nov 14 2007
  CAS-BOT-BC70722  Cystopteris fragilis Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  RSA177983  Cytisus scoparius Robert F. Thorne 1965-4-19 34310 Sonoma Guerneville Hwy, 1 mile E of Laguna Road; 4 miles W of Santa Rosa. 46 Comment
  CAS-BOT-BC329230  Dactylis Peter Rubtzoff 1968-7-13 5921 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC189804  Dactylis glomerata G. DeNevers 1981-5-23 1252 Sonoma Pepperwood Ranch. Along Franz Valley Road. Comment
  CAS-BOT-BC445563  Damasonium californicum J. W. Congdon 1880-5-16 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC192280  Danthonia californica John Thomas Howell 1935-5-5 12611 Sonoma 6 miles from Santa Rosa, on road to Sonoma Comment
  CAS-BOT-BC210142  Danthonia californica Peter Rubtzoff 1974-5-18 7414 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  UCD148397  Danthonia californica Peter Rubtzoff 1957-5-11 3345 Sonoma Occidental Marsh. Comment
  UCD60472  Danthonia californica R. Tofsrud 1947-6-16 s.n. Sonoma 1 mi. W of Two Rock School. Comment
  UCD60677  Danthonia californica var. americana B. Crampton 1954-4-26 1789 Sonoma East of Alexander Valley, Hwy. 128, 9 miles SE of Geyserville. Comment
  UCR141956  Danthonia californica var. americana Beecher Crampton 1967-5-15 7935 Sonoma Coast Range, 14 miles NW of Calistoga on Hwy. 128 near Chalk Hill Road 122 Comment
  CDA41056  Datura stramonium J. C. Violetti 1968-6-16 s.n. Sonoma Mrs. Lucas prop. 652 Brittain Lane, Santa Rosa. 0 Comment
  UCD126523  Datura stramonium John Thomas Howell 1945-7-18 21313 Sonoma College Ave., west of Santa Rosa. Comment
  UCD166101  Datura stramonium Peter Rubtzoff 1971-8-23 6651 Sonoma Laguna, Chileno Valley. Comment
  UCD127390  Daucus carota G. F. Hrusa 1998-11-29 14907 Sonoma mowed field across from furthest south residence. Comment
  CAS-BOT-BC293810  Deinandra corymbosa Mary M. Hektner 1975-8-14 223 Sonoma Road cut not far from hedgerow separating Units 28 and 34-A Owners' Map, Sea Ranch, near State Highway 1 Comment
  CAS-BOT-BC292097  Delairea odorata Greg de Nevers 1986-12-17 8117 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC361290  Delphinium Greg de Nevers 1993-5-6 10436 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa At Weimar Flat 457 Comment
  UC804504  Delphinium bakeri Milo S. Baker May 1939 9489 Sonoma Coleman Valley, Sonoma Co. Comment
  POM253332  Delphinium decorum A. A. Heller 1938-5-14 15089 Sonoma East of Bodega Bay. Comment
  UC914291  Delphinium decorum subsp. decorum Verne Grant and Alva Grant 1947-5-4 7954 Sonoma 1 mi from Bodega Bay (on road to Bodega) Comment
  SBBG2150  Delphinium hesperium subsp. hesperium H. and M. Dearing 1933-5-14 384 Sonoma Cloverdale, Hopland grade Comment
  CAS-BOT-BC10066  Delphinium hesperium subsp. pallescens John Thomas Howell 1934-3-27 s.n. Sonoma Pope Canyon, Napa Range Comment
  CAS-BOT-BC33152  Delphinium luteum Amos Arthur Heller; H. E. Brown 1902-4-11 5256 Sonoma Bodega Bay Comment
  SEINET3159607  Delphinium luteum L. S. Rose 1939-1 Sonoma Comment
  RSA0089555  Delphinium nudicaule Ann Howald 2015-4-1 3316 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage. 520 Comment
  HSC27088  Delphinium nudicaule Thomas W. Nelson 1971-3-21 347 Sonoma Beside Hwy. 128, 4 mi. W of Cloverdale Comment
  SEINET12093237  Delphinium nudicaule W. Knight, Knight, I.; Edwards, S. Dr 1986-1 5306 Sonoma Along trail to summit of Geyser Peak. Access from Healdsburg-Geysers Rd 853 Comment
  UC424807  Delphinium nudicaule Milo S. Baker 1930-4-5 39306 Sonoma on Coast Road a few mi s Russian River Comment
  UC467759  Delphinium nudicaule H. P. Chandler 1907-4-21 7520 Sonoma road from Glen Ellen to Oakville near summit Comment
  JEPS83462  Delphinium patens subsp. patens Jack and Betty Guggolz 1985-4-27 699 BG Sonoma e Spring Lake; Spring Meadows (tentative subdivision) Comment
  CAS-BOT-BC7767  Delphinium variegatum Alice Eastwood; John Thomas Howell 1938-5-15 5510 Sonoma Near Mark West Springs Comment
  UC1334517  Delphinium variegatum G. A. L. Mehlquist and J. A. Jenkins 1940-5-28 1 Sonoma on Route 12 0.7 mi s Nunn's canyon road Comment
  RSA70708  Delphinium variegatum L. S. Rose 1951-5-17 51012 Sonoma Hills E of Agua Caliente. 122 Comment
  SEINET12093545  Delphinium variegatum F. H. Utech 1986-1 86 -107 Sonoma ca 3 mi NE on Cavedale Road from junction with CA 12 250 Comment
  CAS-BOT-BC26766  Dendromecon myrtifolia Amos Arthur Heller; H. E. Brown 1902-5-29 5618 Sonoma Mt. Hood Comment
  JEPS78745  Dendromecon rigida Edward Lee 1936-6-7 2187 Sonoma South Ridge fire trail Bohemian Grove Comment
  SEINET10620911 Image available Dendromecon rigida A. Arthur Heller, H. E. Brown 1902-5-29 Heller 5618 Sonoma Mt. Hood. Comment
  OBI35893  Deschampsia cespitosa David J. Keil 1983-6-30 17209 Sonoma Stillwater Cove Regional Park Comment
  UCD61380  Deschampsia cespitosa Beecher Crampton 1957-7-22 4383 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  SDSU992  Deschampsia cespitosa subsp. cespitosa D. F. Howe 1963-7-3 3587 Sonoma 20 miles north of junction with #12 on #1 Comment
  CDA34803  Deschampsia danthonioides Peter Warner 2010-5-6 147 Sonoma Annadel State Park, in upland vernal pool ~250 m N of Canyon Trail, ~220 m W of Spring Creek, just S of old rock wall. Comment
  CAS-BOT-BC201951  Deschampsia elongata Greg de Nevers 1992-6-26 10182 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CAS-BOT-BC201952  Deschampsia elongata Greg de Nevers 1996-6-17 10832 Sonoma CYO camp south of Occidental on Bohemian Hwy. 121 Comment
  CAS-BOT-BC201955  Deschampsia elongata Peter Rubtzoff 1959-6-6 4099 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC201961  Deschampsia elongata Lewis S. Rose 1962-6-1 62064 Sonoma 1 mi. NW of Freestone 76 Comment
  CAS-BOT-BC201962  Deschampsia elongata Peter Rubtzoff 1962-10-9 s.n. Sonoma Russian River Mouth Marsh Comment
  CAS-BOT-BC201967  Deschampsia elongata Peter Rubtzoff 1962-6-23 4960 Sonoma Guerneville Marsh Comment
  UC53519  Deschampsia elongata Jos. Burtt Davy July 1896 Sonoma near Guerneville Guerneville Comment
  UCD63564  Deschampsia elongata Peter Rubtzoff 1962-6-13 4902 Sonoma Freestone Marsh. Comment
  SEINET7295473 Image available Dichanthelium acuminatum Leo Koch 1940-1 825 Sonoma Bare slopes around Sulfur Creek Geysers, east of Cloverdale, Inner North Coast Ranges Comment
  CAS-BOT-BC254477  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1937-6-6 13032 Sonoma Pitkin Marsh Comment
  POM288511  Dichanthelium acuminatum var. fasciculatum P. B. Kennedy 1915-5-31 s.n. Sonoma Annapolis Region Comment
  UC1084355  Dichelostemma capitatum G. Thomas Robbins 1937-3-25 13 Sonoma 8-10 mi e Santa Rosa; Santa Rosa Creek Canyon Comment
  SEINET12048680  Dichelostemma capitatum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -093 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12, ca 1.2 mi N on Cavedale Rd from jct 244 Comment
  UCD139192  Dichelostemma capitatum Rimy Waraich; Patti Togioka, Valerie Bullock 1993-4-24 s.n. Sonoma 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. Ponygate Trail. 365 Comment
  HSC34880  Dichelostemma capitatum subsp. capitatum Thomas W. Nelson, James Nelson 1975-3-25 1753 Sonoma Beside Hwy. 128 E of Geyserville Comment
  POM169356  Dichelostemma capitatum subsp. capitatum A. A. Heller, H. E. Brown 1902-3-14 5065 Sonoma Near Windsor Comment
  CAS-BOT-BC500685  Dichelostemma pulchellum Peter H. Raven 1955-4-23 8281 Sonoma 2 mi SE of Bennett Mt. Comment
  RSA783841  Digitaria Peter Rubtzoff 1971-8-23 6645 Sonoma Stony Point Road, just S of Hwy 116. Comment
  CAS-BOT-BC209110  Digitaria sanguinalis David L. Morgan 1960-7-26 s.n. Sonoma Watkins Ranch, 1/2 mi. NW of Penngrove on Redwood Highway Comment
  RSA0051275  Digitaria sanguinalis Greg de Nevers 1996-9-23 10879 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Creek at Piney Canyon. 100 Comment
  RSA796380  Digitaria sanguinalis Peter Rubtzoff 1956-9-14 2857 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC152043  Diplacus aurantiacus Peter Rubtzoff 1952-6-11 1247 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  SEINET12326112  Dipsacus fullonum W. Knight, Knight, I. 1983-1 4710 Sonoma Calistoga Road 3 mi from State Rt 12, 300 yards N of summit 152 Comment
  UCD148325  Dipsacus sativus Peter Rubtzoff 1954-7-27 1570 Sonoma Guerneville Marsh. Comment
  SEINET6957403  Dirca occidentalis Lorin I. Nevling 1996-2-17 348 Sonoma Above Salmon Creek Road approximately 2 miles from Bodega, before intersection with Fitzpatrick Lane. Altitude 320 feet. "Western Leatherwood." Comment
  SEINET6957404  Dirca occidentalis Lorin I. Nevling 1996-2-17 349 Sonoma Above Salmon Creek Road approximately 2.3 miles from Bodega, 0.2 mile after intersection with Fitzpatrick Lane. Altitude 320 feet. "Western Leatherwood." Comment
  CAS-BOT-BC196920  Distichlis spicata David L. Morgan 1956-5-8 s.n. Sonoma 3 miles southeast of Petaluma on Lakeville road Comment
  UC483301  Dodecatheon hendersonii Ira L. Wiggins 1932-3-12 5759 Sonoma between Knight's Valley and Franz Valley; between Knight's Valley and Franz Valley Comment
  RSA3638  Dodecatheon hendersonii subsp. cruciatum I. L. Wiggins 1932-3-12 5759 Sonoma Wet, grassy area along stream at base of W-facing serpentine slope in mixed ever green forest; W of Stoetz Road off of Harrison Grade, ca. 2 mi. NNE of Occidental. 183 Comment
  CDA13124  Downingia concolor G. F. Hrusa, R. Gross 1996-6-3 13059 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  UCD33097  Downingia concolor Beecher Crampton 1966-5-10 7728 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  JEPS19382  Downingia concolor var. concolor G. Thomas Robbins 1937-5-23 179 Sonoma near Wright School (along road between Sebastopol and Santa Rosa) Comment
  SD108305  Downingia concolor var. concolor Walter Knight, Irja Knight 1980-5-12 Sonoma 0.5 mile south of junction of highways 116 and 121 in Sonoma Valley. Comment
  UC76661  Downingia concolor var. concolor Miss M. Alice King May 1897 Sonoma Comment
  CAS-BOT-BC164682  Downingia pusilla Peter Rubtzoff; H. A. Froebe 1971-5-30 6494 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC159462  Drymocallis glandulosa var. glandulosa L. R. Abrams 1916-7-4 5792 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC159461  Drymocallis glandulosa var. glandulosa Milo S. Baker 1931-5-22 5213 Sonoma Bennett Val. Road, just south of summit, between Santa Rosa and Glen Ellen Comment
  RSA42006  Drymocallis glandulosa var. wrangelliana Ella Dales Cantelow 1938-5-7 2403 Sonoma 4.5 miles NM of Bodega 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
  UCR222528  Dryopteris arguta George K. Helmkamp, E. A. Helmkamp 2010-6-5 16249 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  CAS-BOT-BC71022  Dryopteris arguta G. DeNevers 1981-5-9 1081 Sonoma above Redwood Canyon, S of it Comment
  CAS-BOT-BC428376  Dudleya farinosa Marcus E. Jones 1882-7-17 3347 Sonoma Duncan's Mills Comment
  CAS-BOT-BC428379  Dudleya farinosa Alice Eastwood 1915-6-5 s.n. Sonoma Calistoga Comment
  UCD98756  Dysphania botrys Peter Rubtzoff 1956-9-14 2881 Sonoma Vacation Beach, near Guerneville. Comment
  SEINET1909911  Dysphania botrys Barbara Ertter 1988-1 8029 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge 152 Comment
  CAS-BOT-BC210131  Echinochloa Peter Rubtzoff 1971-8-23 s.n. Sonoma Meacham Road, 0.35 miles south of Stony Point Road. Comment
  CAS-BOT-BC210132  Echinochloa Peter Rubtzoff 1971-8-31 6663 Sonoma Todd Road near Stony Point Road. Comment
  CAS-BOT-BC173585  Echinochloa crus-galli Peter Rubtzoff 1956-9-15 2901 Sonoma Atascadero Creek Marsh. Comment
  RSA118966  Echinochloa crus-galli L. S. Rose 1956-8-20 56148 Sonoma San Antonio Creek, Highway 101 3 Comment
  UCR280185  Echinochloa crus-galli Peter Rubtzoff 1958-7-20 3794 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road) 30 Comment
  CDA1632  Egeria densa K. Meehan 1974-7-23 Sonoma Cattle pond on Agua Caliente Creek, 1/4 mile from the end of Norrbom Road. 0 Comment
  RSA227243  Elatine heterandra Peter Rubtzoff 1964-7-14 5400 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC274414  Eleocharis Peter Rubtzoff 1972-8-26 6858 Sonoma Laguna, Chileno Valley. Comment
  SEINET11750917  Eleocharis acicularis C. F. Quibell 1976-1 1361 Sonoma N of Railroad Ave, W of US 101, Cristo fence route 30 Comment
  CAS-BOT-BC112071  Eleocharis quinqueflora Peter Rubtzoff 1951-8-5 596 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112072  Eleocharis quinqueflora Peter Rubtzoff 1951-8-5 596 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112274  Eleocharis rostellata Peter Rubtzoff 1951-7-7 361 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  JEPS45815  Elymus californicus Eleanor Armstrong 1932-5-23 167 Sonoma 1 mi w of Camp Meeker (near coast) 91 Comment
  UC1146595  Elymus californicus Freed W. Hoffman 1943-5-19 2202 Sonoma North Coast Ranges, Sonoma Coast, Russian Gulch Russian Gulch; North Coast Ranges, Sonoma Coast, Russian Gulch Comment
  UCD61790  Elymus glaucus P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  UCD61858  Elymus glaucus August L. Hormay 1932-6-19 Sonoma Mt. St. Helena. Comment
  UCD61908  Elymus glaucus R. Tofsrud 1947-8-1 256 Sonoma Cloverdale. Comment
  CAS-BOT-BC203714  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-11 1251 Sonoma South slope sof Fitch Mtn., near Healdsburg 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
  UC1146609  Elymus glaucus subsp. jepsonii Freed W. Hoffman 1942-6-30 2118 Sonoma Lone Mountain Farm North Coast Ranges (near Guerneville) Comment
  CAS-BOT-BC235227  Elymus multisetus Peter Rubtzoff 1952-6-11 1249 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  JEPS78827  Elymus multisetus Edward Lee 1936-6-7 2193 Sonoma South ridge Bohemian Grove (fire trail) Comment
  UC1011028  Elymus trachycaulus Virginia Bufford 1936-5-20 343 Sonoma 3 mi from Mark West (Kellogg Mark West Rd.) Comment
  CAS-BOT-BC290618  Epilobium Peter Rubtzoff 1986-9-28 9745 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166837  Epilobium canum subsp. latifolium F. G. Krauss 1893-11-2 s.n. Sonoma Krauss Ranch Comment
  HSC87382  Epilobium canum subsp. latifolium Clare R. Wheeler 1985-9-8 3766 Sonoma Above Russian River, 1.6 km N of Preston bridge 103 Comment
  CAS-BOT-BC262961  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1968-8-31 5946 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC268107  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1969-8-26 6150 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  UC455442  Epilobium ciliatum subsp. ciliatum I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UC728614  Epilobium ciliatum subsp. ciliatum Milo S. Baker 1945-8-14 11140 Sonoma on Gravenstein Hwy about 2 mi n Sebastopol (in marsh); Twin-Pine Ranch Comment
  UCD35654  Epilobium ciliatum subsp. ciliatum Beecher Crampton 1959-6-16 5387 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  CAS-BOT-BC262965  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-7-29 1608 Sonoma Guerneville Marsh. Comment
  UCD105932  Epilobium ciliatum subsp. watsonii Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 96 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA225179  Epilobium ciliatum subsp. watsonii P. A. Munz 1936-8-7 14307 Sonoma 6 miles N of Bodega. Comment
  UCD55338  Epilobium densiflorum Ellen Dean 2006-6-28 3182 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. In southeast part of vineyard where a new reservoir is planned 169 Comment
  UCD148363  Epilobium densiflorum Peter Rubtzoff 1955-8-27 2094 Sonoma Bennett Mountain Lake. Comment
  RSA181915  Epilobium foliosum Freed W. Hoffman 1947-4-13 1848 Sonoma North Coast Ranges: Gilliam Creek, near Guerneville Comment
  CAS-BOT-BC262800  Epilobium hallianum Peter Rubtzoff 1966-6-5 5760 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  UC371112  Equisetum arvense Miss M. Alice King 1897-1 Sonoma Comment
  UCR244750  Equisetum hyemale subsp. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh Comment
  RSA784476  Equisetum hyemale var. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh. Comment
  UC810320  Equisetum laevigatum K. Wagnon 1940-3-29 237 Sonoma nw corner Santa Rosa Jr. College Campus (along Eliot Ave.) Comment
  CAS-BOT-BC57815  Equisetum laevigatum Mary P. Wells 1984-7-20 389 Sonoma E. bank of s. fork of Gualala River, The Sea Ranch. Comment
  UC810419  Equisetum telmateia subsp. braunii L. Koch 1938-5-24 58 Sonoma 2 mi e Glen Ellen (canyon off Rutherford Rd.) Comment
  HSC24598  Equisetum telmateia subsp. braunii F. Demostene 1966-4-12 46 Sonoma 25 mi. W of Healdsburg. Comment
  UCD135619  Equisetum telmateia subsp. braunii Christine Lee 1993-4-24 80 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. Hillside Trail. 381 Comment
  UCR248774  Eragrostis Peter Rubtzoff 1965-8-16 5602 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  CAS-BOT-BC164044  Erechtites glomeratus Peter Rubtzoff 1954-8-3 1636 Sonoma Lower Salmon Creek Marsh. Comment
  RSA784477  Erechtites minimus Peter Rubtzoff 1974-8-4 7799 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC164648  Erechtites minimus Peter Rubtzoff 1974-8-4 7799 Sonoma Upper Green Valley Marsh area. Comment
  UC1563681  Eremocarpus setiger Barbara Ertter 1988-11-5 8033 Sonoma point below Little Flat parking area (w of bridge, ca 5 air mi due s of Cloverdale); Lake Sonoma 152 Comment
  JEPS19211  Ericameria arborescens Edw. L. Greene 1888-8-31 Sonoma Petrified Forest Comment
  CAS-BOT-BC376240  Erigeron Greg de Nevers 1992-9-1 10248 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  CAS-BOT-BC293627  Erigeron biolettii H. M. Hall 1909-6-25 8518 Sonoma Guernewood Park Comment
  CAS-BOT-BC293625  Erigeron biolettii Milo S. Baker 1948-7-27 12079 Sonoma Near summit of Hood Mt. 792 Comment
  RSA130887  Erigeron biolettii E. K. Balls 1958-7-21 23585 Sonoma Highway 12, 0.5 mile NE from junction with Hwy. 1 at Bridgehaven, along Russian River 30 Comment
Read comments
Jun 7 2019
  CAS-BOT-BC295124  Erigeron glaucus A. A. Heller; H. E. Brown 1902-5-27 5609 Sonoma Bodega Bay on Sand Hills Comment
  CAS-BOT-BC308832  Erigeron glaucus Marcus E. Jones 1882-7-17 3622 Sonoma Duncan's Mills Comment
  UC895875  Erigeron glaucus Marcus E. Jones, A. M. 1882-7-17 3622 Sonoma Duncan's Mills Comment
  UCSB50241  Erigeron glaucus Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach; T6n R11W 18 Comment
  UC1192210  Erigeron greenei Verne Grant, Herbert L. Mason 1946-7-5 12898 Sonoma 2 mi east of Occidental Comment
  HSC101101  Erigeron serpentinus Peter Warner 2011-8-12 230 Sonoma Jenner Headlands property, Jenner Pasture, about 400 m E 115 deg. S fr. cottage, corrals 173 Comment
  UCD132075  Erigeron sumatrensis G. F. Hrusa 1996-3-29 12737 Sonoma area at end of Neeley Road. 2 m. south of Guerneville and 3 m. north of Bohemian Grove on Russian River. 140 Comment
  CAS-BOT-BC224149  Eriodictyon californicum Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy 3 mi north of Occidental Comment
  CAS-BOT-BC224151  Eriodictyon californicum Peter Rubtzoff 1952-6-3 1169 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC224152  Eriodictyon californicum Alice Eastwood 1915-6-5 4594 Sonoma Petrified Forest Comment
  CAS-BOT-BC224157  Eriodictyon californicum D. E. Breedlove 1980-6-28 44800 Sonoma Pepperwood Ranch W of Knights Valley Comment
  JEPS78826  Eriodictyon californicum Edward Lee 1936-6-7 2185 Sonoma South ridge Fire Trail Bohemian Grove Comment
  CAS-BOT-BC250016  Eriogonum fasciculatum var. foliolosum Miss E. Cannon No date on label s.n. Sonoma Black Point Comment
  CAS-BOT-BC259250  Eriogonum latifolium Noel H. Holmgren; James L. Reveal 1966-6-6 2648 Sonoma Just north of Ocean View Comment
  UC412860  Eriogonum latifolium Miss C. M. Hoak 1912-8-8 Sonoma Monte Rio Comment
  CAS-BOT-BC259485  Eriogonum luteolum Gladys L. Smith 1961-9-6 1453 Sonoma Road shoulder near P.G.&E. power house, Geysers 822 Comment
  UC1299730  Eriogonum luteolum var. luteolum Freed W. Hoffman 1947-9-11 1375 Sonoma Spring Mountain road to St. Helena Comment
  UC1032215  Eriogonum nudum var. auriculatum J. B. Spring 1932-6-26 87 Sonoma 2 mi ne Kenwood; Santa Rosa Quadrangle 548 Comment
  CAS-BOT-BC269748  Eriogonum nudum var. oblongifolium J. W. Congdon 1880-9-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC253067  Eriogonum roseum Helen D. Geis 1902-1-1 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC262390  Eriogonum vimineum G. DeNevers 1981-6-15 1513 Sonoma Pepperwood Ranch. On Franz Valley Road Comment
  CAS-BOT-BC277736  Eriogonum vimineum R. D. Stone 1983-6-16 552 Sonoma At the Little Geysers, upper Big Sulphur Creek drainage 701 Comment
  HSC5598  Eriophyllum lanatum H. E. Parks, S. T. Parks 1930-5-10 837 Sonoma Knights Valley 183 Comment
  UCD160898  Eriophyllum lanatum James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3286 Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, east Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCSB22550  Eriophyllum lanatum Jensen, Karen 1965-4-15 Sonoma Along Highway 1, about 1 km. south of Bodega 13 Comment
  CAS-BOT-BC301281  Eriophyllum lanatum var. arachnoideum L. Constance 1938-4-24 2157 Sonoma Russian Gulch, 8 miles south of Fort Ross 121 Comment
  CAS-BOT-BC301282  Eriophyllum lanatum var. arachnoideum C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  CAS-BOT-BC301287  Eriophyllum lanatum var. arachnoideum J. Clausen 1935-5-24 1086 Sonoma 5.1 mi. S. of Jenner on the Bodega road Comment
  JEPS41003  Eriophyllum lanatum var. arachnoideum Lewis S. Rose 1963-6-3 64057 Sonoma n end Bodega Bay (coastal bluffs) Comment
  CAS-BOT-BC302013  Eriophyllum staechadifolium Walter Knight; Irja Knight 1963-8-13 162 Sonoma Horseshoe Cove Comment
  RSA719882  Eriophyllum staechadifolium Linda E. Watson 1996-5-19 s.n. Sonoma At Bodega Bay, 2 miles N of Salmon Creek, Bodega Bay Population of Clausen, keck, and Heisey studies on ecotypes. 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
  UCD103117  Erodium brachycarpum Frederica Bowcutt 1994-6-24 1887 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. Lower Bald Mountain Trail. 426 Comment
  UC66138  Erodium moschatum A. A. Heller 1902-3-26 5159 Sonoma Santa Rosa Comment
  UCD150144  Eryngium aristulatum Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1. 43 Comment
  UCSC000705  Eryngium aristulatum B. Bufford 1937-6-19 s.n. Sonoma near East Windsor East Windsor - Healdsburg 30 Comment
  CDA15296  Eryngium aristulatum R. Gross November 1996 s.n. Sonoma North Coast Biodiversity Arena; CAS Pepperwood Natural Preserve. 0 Comment
  UC21013  Eryngium aristulatum var. aristulatum Alice King Sept. 1897 Sonoma Healdsburg Comment
  UC648303  Eryngium aristulatum var. aristulatum John Thomas Howell 1933-8-27 11619 Sonoma lands bordering San Pablo Bay s.w. Sonoma Comment
  JEPS17460  Eryngium armatum W. L. Jepson 1931-7-19 15946 Sonoma sea bluffs Salmon Creek Comment
  JEPS84389  Eryngium armatum Roger Raiche 1989-6-4 90151 Sonoma n. Healdsburg (between Simi winery and the dump) Comment
  POM132680  Eryngium armatum A. D. E. Elmer 1903-07 4776 Sonoma Petaluma. Comment
  UC20997  Eryngium armatum J. W. Congdon July 1888 Sonoma Petaluma Comment
  CAS-BOT-BC153626  Erythranthe inodora Peter Rubtzoff 1960-6-11 4503 Sonoma Laguna de Santa Rosa area east of Graton (betw. Occidental and Guerneville roads) Comment
  CHSC22331  Erythranthe microphylla Robert A. Schlising 1962-3-31 2124 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  UC3610  Erythronium californicum W. A. Setchell 1898-3-15 Sonoma Cloverdale Comment
  CAS-BOT-BC502684  Erythronium californicum Miss McCracken 1901-4-1 s. n. Sonoma Unspecified Comment
  CAS-BOT-BC133297  Erythronium helenae F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -199 Sonoma The Geysers, ca 14.0 mi ESE of Preston and US hwy 101 on Geysers Road 800 Comment
  CAS-BOT-BC402863  Eschscholzia caespitosa W. R. Ernst 1959-5-3 543 Sonoma About 1 mile southeast of Rionido Comment
  SJSU1062  Euonymus occidentalis A. W. Jacobs 1950-7-15 Sonoma near Cloverdale Comment
  UC869900  Euonymus occidentalis var. occidentalis K. Wagnon May 1939 220 Sonoma 5 mi. w. of Sebastopol (1/8 mi. n.e. of Wagnon Ranch, along Jonive Creek) Comment
  CAS-BOT-BC540836  Euphorbia Peter Rubtzoff 1970-9-2 6359 Sonoma Mirabel Park; Russian River bottom Comment
  CDA4869  Euphorbia oblongata T. C. Fuller 1985-5-31 20430 Sonoma East side of Arnold Drive, Highway 116, just north of culvert no. 45.19, ca. 7 km. south of El Verano. 0 Comment
  UCD142479  Euphorbia peplus C. Wistrom 1996-5-26 32 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  UC1299460  Eurybia radulina Freed W. Hoffman 1947-7-30 1409 Sonoma near Guerneville Comment
  CAS-BOT-BC310740  Euthamia occidentalis Peter Rubtzoff 1951-9-2 700 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  RSA0051265  Euthamia occidentalis Greg de Nevers 2002-9-9 12841 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 152 Comment
  UCR255520  Euthamia occidentalis Peter Rubtzoff 1962-9-16 5094 Sonoma Vacation Beach, 1.5 miles below Guerneville 3 Comment
  RSA0021488  Festuca Peter Rubtzoff 1976-6-5 8588 Sonoma False Lake Meadow area, Annadel State Park. Comment
  RSA785887  Festuca Peter Rubtzoff 1975-6-4 8034 Sonoma U.C. Blodgett Forest Research Station: County Road, 0.6 mi E of Main Station entrance. 1351 Comment
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Nov 3 2014
  SEINET10567265  Festuca A. Arthur Heller 1902-5-27 Heller 5611 Sonoma Bodega Bay. Comment
  UCR255671  Festuca arundinacea Greg de Nevers 1998-6-10 11276 Sonoma North Coast Range, Modini Mayacamas Preserves; Pine Flat Road, near end of town of Pine Flat 91 Comment
  UC38545  Festuca idahoensis Michener and Bioletti 1893-6-10 100 Sonoma Hood's Peak Comment
  UCD151131  Festuca idahoensis James A. Neilson Jr. 1973-6-6 2976 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  RSA93405  Festuca idahoensis Milo S. Baker 1945-06 10921 Sonoma Spring Mountain Road, halfway to summit. Comment
  UCR255651  Festuca microstachys var. pauciflora Greg de Nevers 1997-4-24 10963 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  JEPS128349  Festuca myuros Roger Raiche 2000-4-8 030 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC278883  Festuca occidentalis P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point - Annapolis Comment
  SEINET10559306  Festuca occidentalis A. Arthur Heller 1902-4-4 Heller 5221 Sonoma Hills near Santa Rosa. Comment
  UCD66272  Festuca roemeri A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3569 Sonoma 9.1 miles northwest of Santa Rosa. Comment
  UCD66331  Festuca rubra P. B. Kennedy 1918-5-28 Sonoma 8 miles from Santa Rosa, Calistoga - Petrified Forest Road. Comment
  CAS-BOT-BC354071  Filago Peter Rubtzoff 1965-8-29 5629 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  SEINET11826926  Filago pyramidata var. pyramidata Unknown 1936-1 13100 Sonoma Healdsburg Comment
  CAS-BOT-BC457574  Fragaria vesca subsp. californica Alice Eastwood 1915-6-5 4616 Sonoma Petrified Forest Comment
  CAS-BOT-BC457580  Fragaria vesca subsp. californica Volney Rattan 1877-6-27 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC53268  Frangula californica subsp. californica A. A. Heller 1902-7-8 5816 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC53271  Frangula californica subsp. californica Walter Knight; Irja Knight 1963-12-27 467 Sonoma Summit, Pine Flat Rd. Comment
  CAS-BOT-BC53279  Frangula californica subsp. californica Peter Rubtzoff 1951-6-16 251 Sonoma Uppermost part of the westsern branch of the Upper Marsh Comment
  UCD99585  Frankenia salina P. G. Connors 1991-6-17 164 Sonoma Bodega Marine Laboratory. Near jaumea. Comment
  UCR248752  Frankenia salina Peter Rubtzoff 1970-5-30 6251 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  CAS-BOT-BC218580  Fraxinus latifolia A. A. Heller; H. E. Brown 1902-3-24 5140 Sonoma Hills East of Santa Rosa Comment
  HSC16191  Fraxinus latifolia L. S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Creek, NE of Santa Rosa 122 Comment
  JEPS44085  Fraxinus latifolia W. L. Jepson 1903-10-4 2364 Sonoma near Guerneville; Bohemian Club Grove 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
  UCD116299  Fremontodendron californicum Roger Raiche 1984-5-4 RR 40133 Sonoma North of Guerneville, Morrison Ridge above Gilliam Creek. Austin Creek Recreational Area, headwaters of East Austin Creek Recreational Area. 182 Comment
  SEINET12048685  Fritillaria affinis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -155 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  JEPS61784  Fritillaria recurva Wayne Roderick 1967-4-28 Sonoma 1 mi w of Hoods Peak (Charles Newman property) Comment
  CAS-BOT-BC376341  Galium andrewsii Greg de Nevers 1998-6-10 11283 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  JEPS128191  Galium californicum Roger Raiche 1999-5-23 007 .99 Sonoma The Cedars, Mineral Falls Canyon, Lunar Fork. Lower Russian River, Big Austin Creek watershed. Comment
  LA208415  Galium californicum John Thomas Howell; 1930-6-8 5246 Sonoma 1 mi east of Bodega Bay Comment
  JEPS52891  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3905 Sonoma hillside above Austin Creek (near its head, on King Mt. rd.) Comment
  HSC19831  Galium divaricatum Leo Koch 1940-6-12 1014 Sonoma Behind Fountaingrove Vineyard, 3 mi. N of Santa Rosa along Hwy. 101 Comment
  UC28160  Galium divaricatum Michener and Bioletti 1892-7-1 Sonoma Hood Peak Comment
  UCD121815  Galium murale Frederica Bowcutt; Kate Mawdsley 1996-3-24 2069 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 air mile south of Red Mountian, just south of Sonoma Creek. 365 Comment
  RSA47580  Galium muricatum L. Beane, Lois E. James 1948-5-11 2071 Sonoma Between Fort Rose and Jenner. Comment
  JEPS6610  Galium porrigens var. porrigens Willis L. Jepson 1892-8-7 Sonoma to Knights; Alexand Valley Grade Comment
  UC473570  Galium porrigens var. porrigens John Thomas Howell 1930-6-8 5263 Sonoma 1 mi e Bodega Bay Comment
  UC76641  Galium tricornutum Milo S. Baker 1899-6-2 Sonoma Melita Comment
  OBI35972  Galium triflorum David J. Keil 1983-6-29 17198 Sonoma Ca 10 mi SE of Ft Ross along hwy 1 Comment
  UCR279618  Gamochaeta ustulata Peter Rubtzoff 1962-6-19 4923 Sonoma Occidental Marsh 305 Comment
  UCD121107  Garrya elliptica W. Robert Powell 1978-6-22 2695 Sonoma Along State Highway 1 at Miller Creek, ca. 1 mile southwest of Plantation. 15 Comment
  CAS-BOT-BC311826  Gastridium Peter Rubtzoff 1973-8-20 7226 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC320553  Gastridium Peter Rubtzoff 1972-6-29 6798 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC278683  Gastridium phleoides G. DeNevers 1981-9-12 1843 Sonoma Pepperwood Ranch. On Mark West Creek, at confluence with Leslie Creek Comment
  CAS-BOT-BC320464  Gastridium ventricosum Peter Rubtzoff 1974-6-2 7527 Sonoma Upper Green Valley Marsh. Comment
  UCR248754  Gastridium ventricosum Peter Rubtzoff 1970-8-19 6334 Sonoma On Austin Creek beach, 0.5 miles north of Cazadero 38 Comment
  UCR248772  Gastridium ventricosum Peter Rubtzoff 1971-7-9 6599 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  SBBG5536  Gaultheria shallon H. and M. Dearing 1939-5-15 3389 Sonoma N of Fort Ross Comment
  UC796669  Geranium dissectum Ira L. Wiggins 1949-4-30 12068 Sonoma 4 mi w Calistoga Comment
  SEINET12183370  Geranium dissectum W. Irja, Knight, T. 1984-1 5037 Sonoma around Royal Oaks Mobile-home Park on N McDowell Blvd., Petaluna Comment
  UC1130338  Geranium molle H. S. Yates 1934-4-21 3823 Sonoma near Duncan Mills; Duncan Mills Quad. 60 Comment
  UCR222558  Geranium robertianum George K. Helmkamp, E. A. Helmkamp 2010-6-5 16239 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  RSA144719  Gilia capitata Roxana S. Ferris, Laura Lorraine 1961-6-15 13569 Sonoma About 1/8 mile beyond County Dump Comment
  UCD158810  Gilia capitata James A. Neilson Jr. 1974-4-16 2872 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC226168  Gilia capitata subsp. tomentosa Mrs. H. C. Cantelow 1941-6-7 s.n. Sonoma 3.2 miles north of Jenner on State highway 1 Comment
  UC1299519  Gilia tricolor subsp. tricolor Freed W. Hoffman 1947-4-3 879 Sonoma near Guerneville (headwaters of Fife Creek on road to Austin Ranch); North Coast Ranges, Fife Creek, near Guerneville Comment
  UC52877  Gilia tricolor subsp. tricolor Milo S. Baker Sonoma Perch Flat Comment
  UCD117974  Gilia tricolor subsp. tricolor Botany 102 Students 1993-5-8 215 Sonoma Sugarloaf Ridge State Park, about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Along Meadow Creek. 396 Comment
  CAS-BOT-BC266522  Githopsis diffusa Peter Rubtzoff 1957-5-26 3354 Sonoma Near Occidental - Graton road, 2.7 miles E of Occidental Comment
  CAS-BOT-BC303752  Glebionis segetum John Thomas Howell 1930-6-8 5231 Sonoma Bodega Rd 4 miles E of Valley Ford Comment
  SEINET3146240  Glebionis segetum L. S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  CAS-BOT-BC303749  Glebionis segetum Lewis S. Rose 1933-5-9 33154 Sonoma Bodega Bay Comment
  CAS-BOT-BC303751  Glebionis segetum Walter & Irja Knight 1963-8-13 210 Sonoma 1.5 miles S Salmon Creek Comment
  CAS-BOT-BC282822  Glyceria X occidentalis Greg de Nevers 1992-6-16 10161 Sonoma Weimar Pond, 3450 Franz Valley RoadPepperwood Ranch Natural Preserve 304 Comment
  RSA786495  Glyceria declinata Peter Rubtzoff 1968-8-24 5935 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC282808  Glyceria leptostachya Peter Rubtzoff 1951-6-8 407 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC282810  Glyceria leptostachya Peter Rubtzoff 1960-6-5 4433 Sonoma Laguna de Santa Rosa area northeast of Graton near the Laguna Road, Sonoma County Marshes Comment
  RSA126635  Glyceria leptostachya H. S. Yates 1937-5-30 6554 Sonoma 1.5 miles E. of Occidental. 91 Comment
  RSA786604  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5384 Sonoma Coleman Marsh. Comment
  UCR244675  Glyceria occidentalis Peter Rubtzoff 1966-5-7 5707 Sonoma North side of Hessel Road, just west of Hwy 116 41 Comment
  CAS-BOT-BC176150  Gnaphalium chilense Peter Rubtzoff 1961-8-24 s.n. Sonoma Fife Creek Marsh. Comment
  RSA790990  Gnaphalium chilense Peter Rubtzoff 1954-9-4 1725 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC302688  Gnaphalium palustre Peter Rubtzoff 1970-5-30 6236 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC164664  Gnaphalium purpureum Peter Rubtzoff 1971-6-5 6519 Sonoma Intermittent lake off wst side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UC429316  Goodyera oblongifolia Franklin P. Nutting Sonoma Taylor Creek; Western Middle California, Taylor Creek Comment
  UCD84290  Gratiola ebracteata Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC305180  Grindelia hirsutula J. T. Howell 1930-6-8 5223 Sonoma 8 mi. west of Petaluma Comment
  CAS-BOT-BC305195  Grindelia hirsutula G. DeNevers 1981-5-23 1286 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  CAS-BOT-BC305201  Grindelia hirsutula D. E. Breedlove 1980-6-28 44811 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC473547  Grindelia hirsutula John Thomas Howell 1930-6-8 5256 Sonoma 1 mi e Bodega Comment
  UC479502  Grindelia hirsutula Marcus E. Jones, A. M. 1931-7-5 29142 Sonoma The Geysers Comment
  UC75917  Grindelia hirsutula Miss M. Alice King May 1897 Sonoma near Healdsburg Comment
  UCSB50242  Grindelia hirsutula Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11N 15 Comment
  CAS-BOT-BC302254  Harmonia nutans J. Clausen 1935-5-23 1073 Sonoma Petrified Forest, near entrance Comment
  UC584185  Harmonia nutans J. Clausen 1935-5-24 1077 Sonoma first ravine above Kenwood Springs; Adobe Canyon, Sonoma Creek Comment
  CDA34788  Hedera helix Peter Warner 2010-2-28 109 Sonoma Sweetwater Springs Rd., 4.7 mi. W of Westside Rd.; in redwood stand immediately along S road edge. Comment
  CAS-BOT-BC306324  Hedypnois cretica G. DeNevers 1981-4-16 721 Sonoma Pepperwood Ranch. N of Garrison Cabin Comment
  JEPS7068  Helenium bigelovii Peter Kamb 1950-6-16 1850 Sonoma 1 mi n Sousa Corners (n of Sebastopol, about springy bog toward s end of marsh); Pitkin Marsh 60 Comment
  UCD132736  Helenium bigelovii Chas. Heiser 1946-5-19 s.n. Sonoma Pitkin Marsh, Vine Hill region. Comment
  CAS-BOT-BC306768  Helenium bigelovii Mary P. Wells 1984-8-8 431 Sonoma Deer Trail, The Sea Ranch Comment
  JEPS15040  Helenium puberulum unknown 1877-6-14 Sonoma Guerneville Comment
  CAS-BOT-BC262955  Helenium puberulum Peter Rubtzoff 1961-6-23 4645 Sonoma Bennett Mountain Lake. Comment
  RSA94283  Helenium puberulum Peter Rubtzoff 1951-9-2 709 Sonoma Northern half of Lower Marsh; Pitkin Marsh, near Forestville. Comment
  SEINET11843060  Helianthella californica Unknown 1985-1 RR 50176 Sonoma W of Healdsburg, ridge of W side of Dry Creek Valley, N of Dorman Canyon to Bradford Mt. area 244 Comment
  UC754291  Helianthus bolanderi R. Bacigalupi 1948-3-6 2853 Sonoma The Geysers, just above the resort. Comment
  CDA6477  Helianthus gracilentus David J. Keil, V. L. Holland, Lynne Dee Oyler, G. F. Hrusa, G. L. Stebbins 1994-6-5 24503 Sonoma Along Cavedale Road ca. 1.5 miles from junction with Trinity Road, Mayacamus Mountains. Comment
  CAS-BOT-BC262967  Hemizonia Peter Rubtzoff 1956-9-16 2927 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC262984  Hemizonia Peter Rubtzoff 1971-7-23 6619 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC268071  Hemizonia Peter Rubtzoff 1972-6-29 6797 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC268128  Hemizonia Peter Rubtzoff 1971-9-30 6709 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC305996  Hemizonia Peter Rubtzoff 1969-8-28 6164 Sonoma Vernal pool area, 6.5 miles northeast of Penngrove on Lichau Road. 426 Comment
  RSA800148  Hemizonia Peter Rubtzoff 1964-8-26 5491 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 Comment
  UCD166410  Hemizonia Peter Rubtzoff 1957-8-17 3520 Sonoma Occidental Marsh. Comment
  JEPS38350  Hemizonia congesta subsp. clevelandii W. L. Jepson 1921-9-12 9489 Sonoma Hayground Alexander Valley (s side of valley) 45 Comment
  CAS-BOT-BC306158  Hemizonia congesta subsp. clevelandii James I. McMurphy 1909-8-9 709 Sonoma One mile south of Sonoma Comment
  OBI49585  Hemizonia congesta subsp. clevelandii Caitlin Bean 1992-6-16 s.n. Sonoma Windsor at confluence of E Windsor Crk and Windsor crk Comment
  CAS-BOT-BC306214  Hemizonia congesta subsp. congesta H. M. Hall 1916-6-23 10241 Sonoma Twelve km. northwest of Petaluma Comment
  UC1042317  Hemizonia congesta subsp. congesta John Thomas Howell 1945-8-14 21408 Sonoma Perry Marsh Comment
  UCR254915  Hemizonia congesta subsp. leucocephala Greg de Nevers 1998-6-9 11270 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC309673  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-9 713 Sonoma Petaluma Comment
  CAS-BOT-BC309711  Hemizonia congesta subsp. lutescens J. Clausen 1935-5-24 1085 Sonoma 5.1 miles south of Jenner, on the Bodega road Comment
  CAS-BOT-BC309720  Hemizonia congesta subsp. lutescens David D. Keck; J. Clausen 1935-6-15 3371 Sonoma 1 mile N. of mouth of Salmon Creek Comment
  UC194215  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-24 10251 Sonoma Petaluma Comment
  UC990618  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 713 Sonoma Petaluma Comment
  CAS-BOT-BC309681  Hemizonia congesta subsp. lutescens Peter H. Raven 1955-8-27 8754 Sonoma Petaluma Creek at bridge on Black Point Cutoff Comment
  CAS-BOT-BC309682  Hemizonia congesta subsp. lutescens Marian L. Campbell 1920-8-1 s.n. Sonoma Monte Rio Comment
  CAS-BOT-BC309687  Hemizonia congesta subsp. lutescens Bruce G. Baldwin 1986-10-29 645 Sonoma 0.3 mile south of junction with California State Highway 116 along Lakeville Road Comment
  CAS-BOT-BC309712  Hemizonia congesta subsp. lutescens Catherine Best 1981-6-5 s.n. Sonoma Hwy. 1, one mile north of Jenner Comment
  CAS-BOT-BC309717  Hemizonia congesta subsp. lutescens John Thomas Howell 1930-7-27 5409 Sonoma 8 miles south of Fort Ross Comment
  UCD132988  Hemizonia congesta subsp. lutescens D. H. Hartmann; H. T. Hartmann 1941-8-24 s.n. Sonoma 3 miles west of Petaluma. Comment
  JEPS119464  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2804 Sonoma North Coast Ranges, west slope of Mayacamas Mountains, Los Alamos Rd. at Cougar Lane, 2.3 miles east of intersection Hwy 12 Comment
  UC990626  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1910-6-8 Sonoma valley across hills from Petaluma Comment
  CAS-BOT-BC309943  Hemizonia congesta subsp. luzulifolia H. M. Hall 1924-8-13 12098 Sonoma East side of Russian River between Ukiah and Hopland Comment
  RSA159434  Hemizonia lutescens James I. McMurphy 1909-8-8 701 -C Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  JEPS29497  Hesperevax sparsiflora var. sparsiflora W. L. Jepson 1921-6-3 9306 Sonoma s Santa Rosa (near Wilfred Station, in a flat in the Cotati Valley, on the Northwestern Pacific Ry); Cotati Valley 28 Comment
  UCR49205  Hesperolinon L. F. LaPre 1987-7-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  UCD95457  Hesperomecon linearis Laurie E. Miller 1974-5-11 158 Sonoma Bodega Head outside Bodega Marine Life Refuge. 6 Comment
  CAS-BOT-BC311021  Heterotheca oregona G. DeNevers; S. Castagnoli 1981-8-2 1797 Sonoma Pepperwood Ranch. Along Mark West Creek Comment
  UCD102637  Heuchera micrantha Frederica Bowcutt 1996-5-23 2147 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. Toe of Sugarloaf Ridge, just S of campground. Comment
  CAS-BOT-BC420940  Heuchera micrantha var. diversifolia A. A. Heller 1902-6-24 5756 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC424438  Heuchera pilosissima John Thomas Howell 1930-6-8 5260 Sonoma 1 mile E of Bodega Bay Comment
  CDA12904  Hierochloe occidentalis G. F. Hrusa, R. Gross, F. Luna 1996-3-29 12738 Sonoma North Coast Biodiversity Arena; Upper shaded slopes of Neeley Hill. S end of Neeley Rd. approx. 2 m. S of Guerneville and 3 m. N of Bohemian Grove on Russian River. Perennial, bunching. Uncommon here. Comment
  POM252698  Hoita macrostachya Michener, Bioletti 1893-7-31 2504 Sonoma Adobe Canyon Comment
  SEINET12155809  Hoita macrostachya J. P. Tracy 1951-1 19628 Sonoma Alexander Valley 5miE of Geyserville Comment
  OBI78066  Hoita orbicularis Michener & Bioletti, Bioletti May1893 s.n. Sonoma Kenwood Comment
  CAS-BOT-BC227669  Holcus lanatus Peter Rubtzoff 1954-7-29 1605 Sonoma Guerneville Marsh. Comment
  UC573681  Holcus lanatus H. S. Yates 1936-5-16 5595 Sonoma 2 mi se Forestville (<Pitkin Marsh>); Sebastopol Quad. Comment
  UC76910  Holcus lanatus Michener and Bioletti 1892-7-5 Sonoma Skaggs Springs Comment
  SEINET10960739  Holcus lanatus A. Arthur Heller 1902-6-7 Heller 5651 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  SEINET11843924  Holocarpha virgata W. Knight, Knight, I. 1988-1 6340 Sonoma Kortum Canyon, at county line 351 Comment
  UC990598  Holocarpha virgata subsp. virgata James I. McMurphy 1906-7-17 Sonoma Fulton Comment
  POM139648  Holodiscus discolor Willie Randall 1898-06 607 Sonoma Near Sebastopol. Comment
  UC1084468  Holodiscus discolor G. Thomas Robbins 1937-6-6 233 Sonoma 2-3 mi e of Bodega Bay Comment
  UCR244743  Holozonia filipes Peter Rubtzoff 1971-7-9 6601 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  CAS-BOT-BC315809  Holozonia filipes Catherine Best 1980-4-16 s.n. Sonoma Westerbeke Ranch west of El Verano on Grove St. Comment
  CAS-BOT-BC289282  Hordeum brachyantherum subsp. brachyantherum David L. Morgan 1956-5-13 s.n. Sonoma On Watmaugh Road, 1/2 mi. W. of junciton of Arnold Drive Comment
  CAS-BOT-BC289287  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1955-5-7 1828 Sonoma Guerneville Marsh Comment
  JEPS75074  Hordeum brachyantherum subsp. brachyantherum Edward Lee 1934-4-30 743 Sonoma 1 mi w 2 Rock junction Comment
  UCD85380  Hordeum brachyantherum subsp. californicum Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 35 A Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. 30 Comment
  UCD85530  Hordeum brachyantherum subsp. californicum Roxana S. Ferris; Laura Lorraine 1961-6-14 13545 Sonoma Junction of Occidental Road with Facendini Lane. Comment
  SEINET10927332  Hordeum jubatum Alan A. Beetle, G. Ledyard Stebbins Beetle 3577 Sonoma Corner of Wright Road & Rt. 12 in outskirts of Santa Rosa, open field, clay loam. Comment
  CDA25951  Horkelia tenuiloba T. C. Fuller 1958-5-24 3998 Sonoma Vinehill District. 0 Comment
  RSA731317  Horkelia tenuiloba Chris K. Kjeldsen, Daniel T. Kjeldsen 2005-10-4 1885 Sonoma Coast Ranges: Russian River watershed, Bohemian Grove, N of Camp Meeker and Tyrone off Bohemian Highway. 128 Comment
  CAS-BOT-BC55497  Hornungia procumbens John Thomas Howell 1934-3-25 11781 Sonoma Cuttings Wharf on Napa River. Comment
  SBBG3416  Hosackia gracilis H. and M. Dearing 1939-5-15 3380 Sonoma N of Fort Ross Comment
  SEINET957358  Hosackia gracilis S. Walker 1983-1 83 H-102 Sonoma In ditch beside road to Goat Rock. Comment
  UC177302  Hypericum anagalloides W. E. Bryant July 1887 Sonoma Healdsburg Comment
  CAS-BOT-BC401003  Hypericum anagalloides Walter Knight; Irja Knight 1963-9-1 135 Sonoma Marsh near highest summit of Harold Smith Ranch on Pine Mt Rd NE of Cloverdale 731 Comment
  UCD53888  Hypericum calycinum Dorothy Kleinschmidt 2005-9-4 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC410820  Hypericum concinnum Volney Rattan 1877-1-1 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC316679  Hypochaeris glabra Peter Rubtzoff 1952-5-31 1101 Sonoma Upper Marsh Comment
  CAS-BOT-BC210083  Hypochaeris glabra Peter Rubtzoff 1974-5-18 7437 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC316676  Hypochaeris glabra Peter Rubtzoff 1965-8-29 5628 Sonoma Russian River bottom at Forest Hills 5.5 miles east of Guerneville Comment
  UC1301036  Hypochaeris radicata Helen K. Sharsmith 1963-5-25 5482 Sonoma on road from Freestone to Occidental; San Francisco Bay Region 121 Comment
  UCD133467  Hypochaeris radicata Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-25 173 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC571179  Iris douglasiana H. L. Mason 1928-4-8 4282 Sonoma Fort Ross Comment
  UCD138705  Iris douglasiana J. J. Dunning 1963-5-12 s.n. Sonoma beside Coleman Valley Road (between State Highway 1 and Occidental), ca. 2-3 miles east of State Highway 1. Comment
  RSA135876  Iris fernaldii Lee W. Lenz, E. K. Balls 1951-5-3 16408 Sonoma Between Kellogg and Alexander Valley, Maacama (Miyakama) Creek, 2 miles from turn-off to Geyserville from Petrified Forest 610 Comment
  RSA79065  Iris fernaldii E. K. Balls, Lee W. Lenz 1952-5-8 17106 Sonoma About junction of road from Calistoga to Santa Rosa and Mark West Springs in Petrified Forest 76 Comment
  RSA135849  Iris purdyi E. K. Balls, Lee W. Lenz 1951-5-10 16538 Sonoma 0.7 miles south of Mendocino-Sonoma County line on Highway 28 Comment
  CAS-BOT-BC210128  Isoetes Peter Rubtzoff; Nancy Harrison 1974-5-26 7477 Sonoma Vernal pool on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  UCD166139  Isoetes Peter Rubtzoff 1969-5-24 6058 Sonoma Vernal pool area, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  CAS-BOT-BC61916  Isoetes nuttallii John Thomas Howell 1937-6-6 13028 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112413  Isolepis carinata Peter Rubtzoff 1952-5-10 1025 Sonoma Pitkin Marsh near Forestville: Eastern branch of the Upper March. Comment
  CAS-BOT-BC112409  Isolepis carinata Peter Rubtzoff 1955-4-23 1776 Sonoma Bennett Mtn Lake. Comment
  CAS-BOT-BC112571  Isolepis cernua Peter Rubtzoff 1954-8-10 1670 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC112572  Isolepis cernua Peter Rubtzoff 1954-8-10 1678 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC112577  Isolepis cernua Marcus Eugene Jones 1882-7-17 s.n. Sonoma Duncan Mills Comment
  CAS-BOT-BC340225  Jaumea carnosa Peter Rubtzoff 1962-7-14 5001 Sonoma Lower Salmon Creek Marsh Comment
  RSA0035351  Juncus balticus Peter Rubtzoff 1957-5-11 3333 Sonoma Occidental Marsh. 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
  UC1601709  Juncus bolanderi F. T. Bioletti 1893-5-27 718 Sonoma Glen Ellen Comment
  UCD141316  Juncus bolanderi Mary M. Hektner 1976-8-26 265 Sonoma Unit 28 Owner;s Map, Sea Ranch, near State Highway 1. Comment
  SEINET7042682  Juncus bufonius A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  SEINET3878596  Juncus effusus Kaye H. Thorne 1984-11-22 3667 Sonoma Sea Ranch, Black Point near Lodge.; 0 Comment
  UCR244513  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5904 Sonoma Lichau Marsh [5 miles northeast of Penngrove on Lichau Road] 220 Comment
  CAS-BOT-BC157986  Juncus hesperius Peter Rubtzoff 1954-8-3 1634 Sonoma Lower Salmon Creek Marsh Comment
  SD260861  Juncus hesperius Peter Rubtzoff 1970-9-3 6374 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek Crossing. Comment
  RSA0015643  Juncus lescurii Peter Rubtzoff 1955-8-20 2080 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC210071  Juncus occidentalis Peter Rubtzoff 1974-6-2 7515 Sonoma Upper Green Valley Marsh Comment
  UCD141756  Juncus patens Frederica Bowcutt 1996-5-18 1848 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 Road ca. 20 ft.. Trailhead for Pony Gate trail near kiosk and visitor center. 411 Comment
  UCD141757  Juncus patens Frederica Bowcutt 1996-5-19 2153 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. 1 air mile south of Red Mountain. Near trailhead for Lower Bald Mountain. Above Group campground. 472 Comment
  RSA94072  Juncus phaeocephalus var. phaeocephalus J. T. Howell 1947-6-26 23300 Sonoma Cunningham Marsh. Comment
  SEINET3881146  Juncus tenuis Carol Witham, Jennifer Buck 2002-5-6 305 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool # TOD001.; 0 Comment
  UCD21130  Juncus tenuis Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 305 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  UCD164994  Juncus xiphioides Peter Rubtzoff; Nancy Harrison 1974-9-7 7871 Sonoma Hinebaugh Creek in Rohnert Park. Creek bed, west of Commerce Blvd. crossing. Comment
  UC169319  Keckiella corymbosa Joseph Burtt Davy and Walter C. Blasdale 1899-7-22 6009 Sonoma Austin Creek Comment
  CAS-BOT-BC235869  Keckiella corymbosa W. W. Carruth 1900-7-1 s.n. Sonoma Russian River near Cloverdale Comment
  SEINET12333747  Kickxia elatine W. Knight, Wagnon, K. 1987-1 s.n. Sonoma Willow Creek between Corona Rd & Old Redwood Highway 6 Comment
  UC1011011  Koeleria macrantha Virginia Bufford 1936-5-20 334 Sonoma Kellogg-Mark West Rd 3 mi from Kellogg Comment
  UCD85719  Koeleria macrantha T. S. Brandegee 1888-6-1 s.n. Sonoma Island of Santa Rosa, coast of California. Comment
Read comments
Apr 25 2016
  UCD85860  Koeleria macrantha P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga - Petrified Forest Road. Comment
  CAS-BOT-BC273779  Koeleria pyramidata D. E. Breedlove 1980-6-28 44793 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC340483  Lactuca saligna Leonore Bravo 1982-9-12 s.n. Sonoma Guerneville (on road to Armstrong Grove) Comment
  CAS-BOT-BC274317  Lagurus ovatus Catherine Best 1984-6-11 973 B Sonoma At Goat Rock Park Comment
  CAS-BOT-BC274320  Lagurus ovatus John H. Thomas 1976-6-15 18228 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  SEINET190913 Image available Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mi N of Steward Point. Comment
  CAS-BOT-BC272431  Lamarckia aurea David L. Morgan 1955-6-30 s.n. Sonoma Toldentop, underbridge at Austin Creek, 3 mi. W of Monte Rio Comment
  UCD34820  Lamarckia aurea Beecher Crampton 1963-5-27 6813 Sonoma Sonoma County, border with Mendocino County, ca. 3 - 4 miles north of Cloverdale. Comment
  CAS-BOT-BC272432  Lamarckia aurea D. E. Breedlove 1976-3-27 39 .455 Sonoma West-facing roadbank along Dry Creek Road ca. 7 miles west of Warm Springs Dam Comment
  CAS-BOT-BC257694  Lamium Peter Rubtzoff; Paul But 1974-4-6 7359 Sonoma Along roadside at the border of the Forestville Marsh. Comment
  UCD165120  Lamium Peter Rubtzoff; Paul But 1974-4-6 7359 Sonoma Along roadside at the border of the Forestville Marsh. Comment
  CAS-BOT-BC324930  Lasthenia burkei Peter Rubtzoff 1966-4-17 5677 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville Roads Comment
  RSA0008453  Lasthenia burkei Peter Rubtzoff 1974-5-26 7492 Sonoma Todd road 1.5 mi from Hwy and 0.5 mi from W of Llano Road Comment
  POM55151  Lasthenia californica A. A. Heller, H. E. Brown 1902-4-15 5302 Sonoma Santa Rosa Creek Comment
  JEPS82092  Lasthenia californica subsp. bakeri Rimo Bacigalupi 1961-5-21 7702 Sonoma on hill due e Bodega Bay Hill Road (head of gulch); Johnson Gulch Comment
  UC893742  Lasthenia californica subsp. bakeri Milo S. Baker 1932-4-1 5906 Sonoma 4.5 mi n Ft. Ross Comment
  UCD33659  Lasthenia californica subsp. macrantha Beecher Crampton 1971-6-6 8720 Sonoma Carmet, Sonoma Coast State Park. Comment
  UCSB50244  Lasthenia chrysostoma John Gray 1976-5-1 8 Sonoma collected in the bluffs at Duncan's Landing, in the Sonoma Coast Beaches Duncan's Landing, and Sonoma Coast Beaches 15 Comment
  CAS-BOT-BC355525  Lasthenia glaberrima Peter Rubtzoff 1968-6-20 5892 Sonoma 6.5 mi NE of Penngrove, on Lichun Road, 426 Comment
  CAS-BOT-BC370854  Lasthenia minor John Thomas Howell 1931-4-18 6420 Sonoma mouth of Salmon Creek, 2 miles n. of Bay Comment
  UC726341  Lasthenia minor A. A. Heller 1938-5-14 15080 Sonoma n of the town of Bay; Bodega Bay Comment
  CAS-BOT-BC370890  Lasthenia minor Roxana S. Ferris 1932-5-27 8256 Sonoma northern end of Bodega Bay Comment
  POM54989  Lasthenia minor A. A. Heller, H. E. Brown 1902-4-11 5276 Sonoma Bodega Bay. Comment
  UCD166083  Lathyrus Peter Rubtzoff 1971-6-23 6551 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CDA4178  Lathyrus hirsutus T. C. Fuller 1969-10-1 18964 Sonoma Two different ranches north & south of Santa Rosa. 0 Comment
  POM161246  Lathyrus littoralis Rimo Bacigalupi 1928-6-18 1897 Sonoma Beach at mouth of Salmon Creek, 2 miles N of Bodega Bay. Comment
  SD254612  Lathyrus vestitus Ann Howald 2015-4-1 3333 Sonoma North Coast Ranges; Stewarts Point-Skaggs Springs Rd. 16.7 miles west of intersection with Rockpile Rd., Wolf Creek drainage. 294 Comment
  UCD106547  Lathyrus vestitus var. ochropetalus Patti Togioka; Rimy Waraich, and Erik Beever 1993-5-8 233 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. 365 Comment
  UC1128950  Lathyrus vestitus var. vestitus E. Armstrong 1934-3-26 928 Sonoma 1 mi w Camp Meeker; Sebastopol Quad. 121 Comment
  CAS-BOT-BC323229  Layia chrysanthemoides David D. Keck 1931-4-1 992 Sonoma 2 miles N of Sears Point (9 miles S of Sonoma), southern Sonoma County. 10 Comment
  CAS-BOT-BC323258  Layia chrysanthemoides Alice Eastwood 1921-5-8 10440 Sonoma Petaluma Comment
  UC584225 Image available Layia chrysanthemoides J. Clausen 1935-5-24 1090 Sonoma 6.2 mi s Jenner (at a little bay); ; S of Jenner, Sonoma Co. Comment
  HSC5917  Layia chrysanthemoides R. F. Good 1962-4-19 26 Sonoma 2 mi. W of Petaluma on D St. extension toward Pt. Reyes; Sonoma Mt. Coast Range 0 Comment
  RSA245535  Layia platyglossa Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1101 Sonoma Fort Ross State Park. Comment
  UC572646  Ledum glandulosum G. Thomas Robbins 1937-5-23 203 Sonoma Vine Hill Region, Pitkin Marsh Pitkin Marsh; Vine Hill Region, Pitkin Marsh Comment
  RSA227250  Leersia oryzoides Peter Rubtzoff 1958-7-19 3762 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CDA42317  Legenere limosa Peter Rubtzoff 1969-5-24 6051 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road. Comment
  CAS-BOT-BC210107  Lemna Peter Rubtzoff 1969-5-11 6049 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road. Comment
  UCD166258  Lemna Peter Rubtzoff 1970-8-18 6315 Sonoma 5 miles north of Sears Point. 11 Comment
  CAS-BOT-BC210094  Lemna Peter Rubtzoff 1965-10-10 5653 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC210101  Lemna Peter Rubtzoff 1970-8-18 6316 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC210102  Lemna Peter Rubtzoff 1970-8-18 6320 Sonoma 5 miles north of Sears Point. Comment
  UCD148506  Lemna gibba Peter Rubtzoff 1965-11-9 5666 Sonoma Stony Point Marsh. Comment
  RSA0028897  Lemna minor Peter Rubtzoff 1954-8-2 1625 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC527278  Lemna minuta Peter Rubtzoff 1951-8-19 652 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  RSA0025211  Lemna minuta Peter Rubtzoff 1955-7-31 2007 Sonoma Forestville Marsh. Comment
  UCR255071  Lemna perpusilla Peter Rubtzoff 1961-8-24 4709 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River 3 Comment
  CAS-BOT-BC534919  Lemna turionifera Peter Rubtzoff 1951-8-19 652 Sonoma Pitkin Marsh, near Forestville Comment
  UCR256276  Lemna valdiviana Peter Rubtzoff 1961-8-24 4710 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River 3 Comment
  CAS-BOT-BC339166  Leontodon saxatilis subsp. saxatilis Peter Rubtzoff 1951-7-21 501 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower marshes Comment
  CAS-BOT-BC339169  Leontodon saxatilis subsp. saxatilis John Thomas Howell 1945-7-18 21323 Sonoma Pitkin Marsh Comment
  UC1784119  Lepechinia calycina Ethel Crum 1930-7-13 815 Sonoma Mt. St. Helena, S shoulder Comment
  CAS-BOT-BC89146  Lepidium didymum Peter Rubtzoff 1987-10-17 9870 Sonoma Russian River at Forest Hills, 5.5 mile east of Guerneville, 9981 Old River Road near Forest Hills Road junction. Comment
  CAS-BOT-BC89738  Lepidium latifolium Walter Knight; Irja Knight 1963-8-9 199 Sonoma North side Lakeville Highway at Petaluma Fertilizer office - Petaluma (waif). Comment
  UC72927  Lepidium nitidum Milo S. Baker 1898-2-19 714 Sonoma ne of Santa Rosa Comment
  POM182701  Lepidium oxycarpum D. D. Keck 1931-4-1 996 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma) 10 Comment
  CAS-BOT-BC12970  Lepidium strictum John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells 1982-4-28 54673 Sonoma Bouverie Audubon Preserve, about 1.5 mile east of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC12973  Lepidium strictum Catherine Best 1990-3-24 1361 Sonoma Northwest of Santa Rosa near Piner and Fulton. Comment
  RSA262194  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-7-17 6284 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC273994  Leptochloa fusca subsp. fascicularis John Thomas Howell; W. Knight; I. Knight 1988-7-6 s.n. Sonoma Old Redwood Highway & Adobe Road, Penngrove Comment
  CAS-BOT-BC376328  Leptosiphon jepsonii Greg de Nevers 1995-4-26 10713 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By barn. 400 Comment
  POM183313  Lessingia arachnoidea John T. Howell 1931-9-26 8090 Sonoma 2 miles from Monte Rio on road to camp Meeker Comment
  RSA731316  Lessingia arachnoidea Chris K. Kjeldsen, Daniel T. Kjeldsen 2005-10-4 1885 Sonoma Coast Ranges: Russian River watershed, Bohemian Grove, N of Camp Meeker and Tyrone off Bohemian Highway. 128 Comment
  CAS-BOT-BC341995  Lessingia ramulosa A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  JEPS128237  Lessingia ramulosa Roger Raiche 2000-8-18 145 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128329  Lessingia ramulosa Roger Raiche 2009-8-23 039 .09 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1299301  Lessingia ramulosa Freed W. Hoffman 1947-9-5 1385 Sonoma Dutch Bill Creek North Coast Ranges, Dutch Bill Creek Comment
  CAS-BOT-BC273567  Leymus californicus M. S. Baker 1942-5-23 10198 Sonoma 2 1/2 miles west of Bodega town turning right in town Comment
  UCD127541  Ligusticum apiifolium P. G. Connors 1991-7-5 196 Sonoma Bodega Marine Laboratory, Bodega Head and Dunes. Comment
  RSA216145  Lilaea scilloides Peter Rubtzoff 1961-5-24 4605 Sonoma Upper Stemple Creek Marsh. Comment
  CAS-BOT-BC451699  Lilaea scilloides John Thomas Howell 1951-5-28 s.n. Sonoma Laguna east of Sebastopol Comment
  UC3723  Lilium pardalinum F. T. Bioletti 1892-1 Sonoma Point Arena Comment
Read comments
Oct 18 2008
  CHSC22062  Limnanthes douglasii Robert A. Schlising 1962-3-31 2109 Sonoma Coast Ranges. Field. Comment
  UC1057485  Limnanthes douglasii G. Thomas Robbins 1938-4-15 259 Sonoma 6-7 mi w Santa Rosa (along road to Graton) Comment
  UCD35883  Limnanthes douglasii Beecher Crampton 1966-5-10 7730 Sonoma 6.5 miles n. of Sonoma, State Hwy. 12. Comment
  RSA42966  Limnanthes douglasii A. A. Heller 1940-4-22 15553 Sonoma In a grassy field between East Windsor and West Windsor. Lower Sonoran Life Zone. Comment
  UCD116447  Limnanthes douglasii var. nivea Robert F. Thorne 1965-4-19 34274 a Sonoma wet field on Titus Ranch, Valley Ford. 18 Comment
  CAS-BOT-BC123078  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Rd., 1.4 mi from Hwy 116 and 0.6 mi. from Llano Rd. Comment
  CAS-BOT-BC45947  Limnanthes vinculans Peter Rubtzoff 1966-5-29 5726 Sonoma Laguna de Santa Rosa area east of Cunningham (nr. Llano Road). Comment
  UCD166212  Limosella acaulis Peter Rubtzoff 1970-5-16 6220 Sonoma 5 miles north of Sears Point. Comment
  JEPS112969  Linanthus parviflorus Dean W. Taylor 1994-5-4 14209 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  SEINET7067243  Linum bienne A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1 and east of Ocean Cove. Coordinate datum: NAD27. Comment
  CAS-BOT-BC36012  Lithocarpus densiflorus var. densiflorus Mary P. Wells 1985-7-10 547 Sonoma King's Ridge Road Comment
  UC1127211  Lithophragma affine E. Armstrong 1934-3-26 913 Sonoma 1 mi w Camp Meeker; Sebastopol Quad. Comment
  CAS-BOT-BC430585  Lithophragma affine G. DeNevers 1981-4-11 697 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC435673  Lithophragma heterophyllum G. de Nevers 1993-3-24 10334 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Weimar Canyon 304 Comment
  CAS-BOT-BC342133  Logfia filaginoides Greg de Nevers; Frank Almeda 1987-4-11 8140 Sonoma Pepperwood Rach Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  UC1093939  Logfia filaginoides Herbert L. Mason 1947-5-4 13211 Sonoma near Kenwood (burned area of Hood Mountain); Hood Mountain Comment
  UC1093940  Logfia filaginoides Herbert L. Mason 1947-5-4 13209 Sonoma near Kenwood; Hood Mountain Comment
  CAS-BOT-BC342495  Logfia gallica F. Almeda; G. DeNevers 1981-4-28 4915 Sonoma Pepperwood Ranch. Vicinity of the Bechtel cabin Comment
  CAS-BOT-BC353413  Logfia gallica Peter Rubtzoff 1973-7-24 7197 Sonoma Upper Green Valley Marsh. Comment
  UCD132737  Logfia gallica Frederica Bowcutt 1994-6-12 1855 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 N of Sonoma Creek about 75 yards, N of Adobe Canyon Road up Pony Gate Trail. 426 Comment
  CAS-BOT-BC283283  Lolium multiflorum John Thomas Howell; et al. 1981-5-14 53951 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC283294  Lolium multiflorum David L. Morgan 1956-5-13 s.n. Sonoma 3 miles W of Petaluma on I St. Ext. Comment
  UC1011012  Lolium perenne Virginia Bufford 1936-5-19 266 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  UCR218641  Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2010-6-4 16221 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  CAS-BOT-BC269190  Lolium temulentum 1880-7-28 s.n. Sonoma Petaluma Comment
  SD99412  Lomatium californicum Christopher Davidson 1977-6-20 6021 Sonoma Dry Creek Road, 9.3 miles west of Geyersville 89 Comment
  UC875120  Lomatium dasycarpum subsp. dasycarpum Lewis S. Rose 1941-5-22 31247 Sonoma 4 mi. e. Santa Rosa (Rincon Ridge); Rincon Ridge 121 Comment
  JEPS25142  Lomatium nudicaule G. Thomas Robbins 1959-5-16 4012 Sonoma s.w. outskirts El Verano (Sonoma Valley); Sonoma Valley 30 Comment
  UCD73920  Lomatium repostum G. Ledyard Stebbins 1966-5-1 6390 Sonoma Rincon Ridge, Chanate Road, 1/4 mile west of Montecito. Comment
  RSA177898  Lomatium repostum R. F. Thorne 1965-4-20 34355 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  UC1123059  Lomatium utriculatum H. S. Yates 1934-4-21 3794 Sonoma near Bodgea; Sebastopol Quad. Comment
  SD241724  Lomatium utriculatum Dean Wm. Taylor 1994-5-4 14213 Sonoma Ca. 2 miles SW of Occidental; at junction of Bittner Road and Joy Road (Camp Meeker 7.5'Q) 249 Comment
  POM180620  Lomatium vaginatum J. T. Howell 1930-6-8 5248 Sonoma 1 mile east of Bodega Bay. Comment
  CAS-BOT-BC258030  Lonicera Peter Rubtzoff 1962-4-11 4787 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UCD35660  Lonicera hispidula Beecher Crampton 1959-6-16 5397 Sonoma 1 mile northeast of Freestone. Comment
  UC28524  Lonicera hispidula var. vacillans J. Burtt Davy Aug. 1896 4140 Sonoma Russian River Comment
  SEINET12329227  Lonicera hispidula var. vacillans W. Knight, Knight, I. 1984-1 5114 Sonoma Gualda Point Regional Park Comment
  UCD137392  Lonicera involucrata P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC243996  Lonicera involucrata var. ledebourii H. E. McMinn 1922-6-6 163 Sonoma Along stream in So. Sonoma Co., S. of Occidental Comment
  CAS-BOT-BC243999  Lonicera involucrata var. ledebourii Mary P. Wells 1984-8-9 447 Sonoma Public path through golf course to the see, The Sea Ranch Comment
  UCD35510  Lotus angustissimus Beecher Crampton 1957-7-22 4373 Sonoma State Hwy. 1, 0.9 mile south of Stewart's Point. Comment
  CDA31015  Lotus crassifolius D. G. Kelch, Troy McGregor 2010-8-22 10 .346 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  POM18969  Lotus formosissimus A. A. Heller, H. E. Brown, A. H. Heller 1902-4-18 7471 Sonoma Near Windsor. Comment
  UC1057478  Lotus formosissimus G. Thomas Robbins 1937-5-23 211 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Region Comment
  UC1129051  Lotus formosissimus H. S. Yates 1934-4-21 3792 Sonoma near Bodega; Sebastopol Quad. 91 Comment
  UC726745  Lotus purshianus var. purshianus A. A. Heller 1941-8-8 16278 Sonoma w of Petrified Forest Comment
  HSC49288  Lotus scoparius J. P. Smith, J. O. Sawyer 1977-6-5 2878 Sonoma Along Arnold Rd. at jct. with State Route 12. Comment
  UC424867  Lotus stipularis var. stipularis Milo S. Baker Jun 1929 3573 c Sonoma near Vine Hill School House Comment
  UC726027  Lotus wrangelianus A. A. Heller 1938-5-14 15079 Sonoma n of Bodega Bay Comment
  CAS-BOT-BC251193  Ludwigia palustris Peter Rubtzoff 1954-6-7 1486 Sonoma Guerneville Marsh. Comment
  UC728662  Ludwigia palustris Milo S. Baker 1945-7-18 11110 Sonoma upper meadow of Pitkin Marsh Comment
  CAS-BOT-BC251278  Ludwigia palustris Peter Rubtzoff 1955-4-23 1787 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC272850  Ludwigia palustris Peter Rubtzoff 1954-8-12 1698 Sonoma Bennett Mountain Lake. Comment
  RSA94343  Ludwigia palustris var. pacifica Peter Rubtzoff 1951-7-8 401 Sonoma Pitkin Marsh, near Forestville: Lower part of Upper Marsh Comment
  CAS-BOT-BC157695  Ludwigia peploides Peter Rubtzoff 1956-9-11 2844 Sonoma Vacation Beach, near Guerneville, along Russian River Comment
  UCD148388  Ludwigia peploides Peter Rubtzoff 1956-9-11 2844 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC201291  Lupinus Charles Piper Smith 1947-6-25 47572 Sonoma Highway 1, Stewarts Point, 7.6 miles south Comment
  CAS-BOT-BC201292  Lupinus Charles Piper Smith 1948-6-14 48386 Sonoma Glen Ellen - Triniti Road - Highway 12 junction, 1.5 miles east Comment
  CAS-BOT-BC201297  Lupinus Charles Piper Smith 1947-6-19 47533 Sonoma Highway 1, Jenner, 1 mile south Comment
  UC127022  Lupinus albifrons F. T. Bioletti 1894-1 Sonoma near Hood's Peak; near Hood's Peak Comment
  CAS-BOT-BC195986  Lupinus albifrons var. albifrons F. Almeda; G. DeNevers 1981-4-28 4912 Sonoma Vicinity of the Bechtel cabin. Pepperwood Ranch Comment
  UCD106014  Lupinus albifrons var. albifrons Botany 102 Students 1993-4-24 104 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 1.3 air miles SE of Red Mtn, about 25 meters S of Sonoma Creek along Meadow Trail about 0.25 miles from intersection with Brushy Peaks and hillside Trails. 396 Comment
  CAS-BOT-BC196463  Lupinus arboreus Mary P. Wells 1985-4-13 471 Sonoma Above Highway #1. North of the Russian Gulch bridge Comment
  CHSC904  Lupinus arboreus A. Small 1954-6-4 Sonoma Doran Park. Comment
  RSA788831  Lupinus bicolor Carrie A. Herd 1982-3-28 61 Sonoma Scagg Springs Road, 7.5 mi. W of the west end of the New Scagg Springs Road Comment
  UC1482882  Lupinus formosus D. B. Dunn, Conrad and LeDoux 1973-6-9 20712 Sonoma on 116, 5.3 mi e Jct of Hwy 101 and Hwy 116 Comment
  UC1084419  Lupinus formosus var. formosus G. Thomas Robbins 1937-5-23 184 Sonoma between Santa Rosa and Sebastopol near Wright School Comment
  RSA3044  Lupinus formosus var. formosus Carl B. Wolf 1931-8-23 2345 Sonoma Along Redwood Highway, 1 mile south of Cloverdale. 91 Comment
  UCD151109  Lupinus latifolius James A. Neilson Jr. 1974-6-1 2764 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UCR265092  Lupinus latifolius Ann Howald 2015-4-1 3335 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 17.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 260 Comment
  CAS-BOT-BC368084  Lupinus latifolius Greg de Nevers 1998-4-28 11210 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge Comment
  SEINET12164395  Lupinus latifolius F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -084 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  SEINET10490799  Lupinus latifolius subsp. latifolius Joseph W. Congdon 1880-6-5 Congdon s.n. Sonoma Petaluma. Morphology study voucher. Comment
  SD130433  Lupinus latifolius var. latifolius F. Almeda, G. DeNevers 1981-4-28 4908 Sonoma Pepperwood Ranch, ca. 0.5 miles from the main gate to Pepperwood Ranch Natural Preserve, just off Franz Valley Road Comment
  UC201959  Lupinus littoralis Milo S. Baker 1899-6-27 Sonoma Coast road near Bodega Bay; Coast Road near Bodega Bay Comment
Read comments
Apr 13 2007
  UC201918  Lupinus microcarpus var. microcarpus Milo S. Baker Sonoma Dillon's Beach Comment
  UC727104  Lupinus microcarpus var. microcarpus A. A. Heller 1940-5-17 15635 Sonoma along State Highway #1, one mi e Valley Ford; e of Valley Ford Comment
  UC865334  Lupinus microcarpus var. microcarpus Marcus E. Jones, A. M. 1882-7-17 3329 Sonoma Duncan's Mills Comment
  SD88508  Lupinus microcarpus var. microcarpus Darley F. Howe 1972-6-29 Sonoma North of Jenner Comment
  UC65702  Lupinus nanus A. A. Heller 1902-3-21 5115 Sonoma Santa Rosa Comment
  UC727108  Lupinus nanus A. A. Heller 1940-4-22 15549 Sonoma along State Highway #12 e Santa Rosa; e of Santa Rosa Comment
  UCD150845  Lupinus nanus Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  HSC81612  Lupinus polycarpus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5127 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  RSA51315  Lupinus polycarpus Peter H. Raven 1950-4-6 1560 Sonoma Cotati to Santa Rosa. 30 Comment
  SEINET7040132 Image available Lupinus polycarpus A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  NY16021  Lupinus sonomensis A. A. Heller 1940-5-17 15638 Sonoma 2 miles east of Shellville along State Highway #37. Upper Sonoran Life Zone. Comment
  SD39054  Lupinus tidestromii Edith A. Purer 1932-7-24 4082 a Sonoma Near Bodega Bay. Comment
  UCD41195  Lupinus tidestromii Sue Nichol 2003-5-29 s.n. Sonoma Goat Rock Dunes State Park. Jenner. Comment
  SEINET12170293  Lupinus tracyi F. H. Utech 1995-3-26 95 50 a Sonoma WNW of Lake Sonoma, junction Kelly Road & Rockpile Road Comment
  CAS-BOT-BC210023  Luzula Peter Rubtzoff 1974-4-17 7369 Sonoma Upper Green Valley Marsh area Comment
  UCD160116  Luzula James A. Neilson Jr. 1973-6-3 2973 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  UCD166732  Luzula Peter Rubtzoff 1958-5-17 3680 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  UCD166725  Luzula Peter Rubtzoff 1963-5-26 5135 Sonoma Bennett Mountain Lake. Comment
  UC1133753  Luzula comosa H. S. Yates 1936-5-16 5591 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  RSA121011  Luzula comosa Alice Eastwood 1922-5-4 11250 Sonoma Calistoga. Comment
  CAS-BOT-BC441296  Luzula macrantha G. De Nevers 1981-3-25 566 Sonoma Pepperwood Ranch. Between the two fir-Redwood canyons Comment
  CAS-BOT-BC441402  Luzula macrantha A. A. Heller; H. E. Brown 1902-3-26 5156 Sonoma Santa Rosa Creek Comment
  RSA0018586  Lythrum Peter Rubtzoff 1970-10-24 6416 Sonoma At Presidio Blvd. and Barnard Avenue, Presidio. Comment
  RSA0016031  Lythrum tribracteatum Peter Rubtzoff 1970-5-30 6244 Sonoma 5 mi. N of Sears Point. Comment
  UCD148375  Madia Peter Rubtzoff 1955-9-25 2161 Sonoma Forestville Marsh area. Comment
  CAS-BOT-BC368061  Madia anomala Greg de Nevers 1998-5-26 11259 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  CAS-BOT-BC368100  Madia anomala Greg de Nevers 1998-5-12 11247 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CHSC107497  Madia elegans D. G. Kelch; Troy McGregor 2010-8-22 10 .355 Sonoma Nr Peak of Geyser Peak Rd. Comment
  UC525423  Madia elegans Edw. L. Greene 1888-8-30 Sonoma Mt. St. Helena Comment
  UC584182  Madia elegans J. Clausen 1935-5-24 1081 Sonoma 2 mi w Monte Rio (on the road to Jenner) Comment
  RSA81535  Madia elegans subsp. elegans James I. McMurphy 1908-9-27 s.n. Sonoma 2 miles south of Fulton Comment
  SD254541  Madia exigua Ann Howald, Christina Freeman 2015-1-1 3414 Sonoma Inner North Coast Ranges: Annadel State Park, Lawndale wetlands, northeast of intersection of Lawndale and Marsh trails (Kenwood 7.5'Q) 370 Comment
  SEINET11807610  Madia exigua F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -230 Sonoma end of Stoetz Road 310 Comment
  CAS-BOT-BC343468  Madia gracilis D. E. Breedlove 1983-5-4 58701 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC345204  Madia sativa John Thomas Howell 1930-6-8 5264 Sonoma 1 mile east of Bodega Bay Comment
  POM53567  Madia sativa A. A. Heller 1902-8-18 6050 Sonoma Santa Rosa. Comment
  UCSB708  Maianthemum racemosum Keator, Glenn 1959-4-1 Sonoma 1 mile southeast of northern city limits of Camp Meeker Comment
  RSA177991  Maianthemum racemosum subsp. amplexicaule Robert F. Thorne 1965-4-19 34295 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 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
  SEINET11993721  Malvella leprosa W. Knight, Knight, I. 1984-1 5425 Sonoma Willow Creek Rd 61 Comment
  UC452570  Marah fabacea Katharine Brandegee June 1905 Sonoma Bodega Comment
  UCD134584  Matricaria discoidea Gerry North 1993-4 23 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. South of Hillside Trail, at fork by water tank. 426 Comment
  RSA719881  Matricaria matricarioides Linda E. Watson 1996-5-19 96 3 A Sonoma At Bodega Bay, 2 miles N of Salmon Creek, Bodega Bay Population of Clausen, keck, and Heisey studies on ecotypes. Comment
  CAS-BOT-BC348314  Matricaria occidentalis Peter Rubtzoff 1970-5-16 6227 Sonoma 5 mi. north of Sears Point Comment
  CAS-BOT-BC262962  Medicago Peter Rubtzoff 1973-8-29 7282 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  UCD107850  Medicago polymorpha Caitlin Lewis; William Mutch 1993-4-17 24 Sonoma About 40 air miles N of San Francisco, 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. 365 Comment
  JEPS128376  Melica californica Roger Raiche 2000-5-28 119 .00 Sonoma The Cedars. (Shown on SLT maps as Marshall Creek but this is not the name on USGS sheets). Gualala River Wheatfield Fork watershed. Comment
  SEINET10599364  Melica californica A. Arthur Heller 1902-4-23 Heller 5351 Sonoma Near Sonoma. Comment
  UCD87156  Melica californica David L. Morgan 1956-4-25 s.n. Sonoma 2 mi. W. of Petaluma on 'I' st. Ext. Comment
  CAS-BOT-BC383038  Melica geyeri Greg de Nevers 1989-4-1 9057 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UCD87322  Melica geyeri Beecher Crampton 1953-5-19 1299 Sonoma Sonoma County, 5 miles west of Calistoga, on Highway 128 at Napa County line. Comment
  UCD87349  Melica geyeri R. Tofsrud 1941-4-1 281 Sonoma Parker Hill, Santa Rosa. Comment
  POM204773  Melica harfordii W. C. Blasdale, Jos Burtt Davy 1899-7-22 6001 Sonoma Guerneville. Comment
  RSA123514  Melica harfordii H. S. Yates 1937-5-31 6563 Sonoma 1 mile WSW of Petrified Forest. 274 Comment
  SEINET261375 Image available Melica imperfecta P. G. Connors 1990-5-24 15 Sonoma Bodega Head. Bodega Marine Station 1150N 4850E Comment
  CAS-BOT-BC262452  Melica subulata Peter Rubtzoff 1959-6-6 4104 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC262451  Melica subulata K. Wagnon 1939-4-22 173 Sonoma Along lane running near Jonive Creek on Wagnon Ranch, five miles west of Sebastopol Comment
  CAS-BOT-BC262550  Melica torreyana John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54695 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  SACT001559  Melica torreyana M. Wiesendanger 1927-5-5 Sonoma Comment
  CAS-BOT-BC268072  Melilotus indicus Peter Rubtzoff 1971-8-20 6640 Sonoma 5 miles north of Sears Point. Comment
  UCD148332  Melissa officinalis Peter Rubtzoff 1954-8-11 1684 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC164086  Mentha Peter Rubtzoff 1954-8-11 1686 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC164068  Mentha Peter Rubtzoff 1962-7-6 4971 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  RSA788368  Mentha Peter Rubtzoff 1960-10-29 4584 Sonoma Laguna de Santa Rosa, east of Graton (btwn. Occidental and Guereville Road). Comment
  UCR279622  Mentha canadensis Peter Rubtzoff 1959-8-2 4210 Sonoma Willow Creek Marsh 9 Comment
  CAS-BOT-BC166975  Mentha spicata Peter Rubtzoff 1968-8-24 5936 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166977  Mentha spicata Peter Rubtzoff 1953-11-1 1449 Sonoma Guerneville Marsh. Comment
  JEPS87221  Mentzelia dispersa Jack and Betty Guggolz 1992-6-13 1314 Sonoma e Geyserville; Black Mountain, Anderson Trail; on the west side of Black Mountain NW 1/4 of NW1/4 615 Comment
  JEPS42864  Mentzelia laevicaulis var. laevicaulis Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  UC673613  Micropus amphibolus Herbert L. Mason 1934-4-28 8081 Sonoma four mi w Healdsburg (head of Dohrman Creek); Jensen's Ranch Comment
  CAS-BOT-BC348626  Micropus californicus var. californicus David D. Keck 1933-5-28 2325 Sonoma 3.4 miles east of Shellville (just east of intersection of Sonoma road) Comment
  CAS-BOT-BC348634  Micropus californicus var. californicus Barrett Anderson 1987-4-27 3472 Sonoma Petaluma, south of El Rose and west of D Street 120 Comment
  CAS-BOT-BC322705  Microseris laciniata Volney Rattan May and June s.n. Sonoma North of Cloverdale Comment
  CAS-BOT-BC320517  Mimulus Peter Rubtzoff 1963-6-18 5173 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC320520  Mimulus Peter Rubtzoff 1974-5-18 7407 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC320580  Mimulus Peter Rubtzoff 1962-5-30 4849 Sonoma Freestone Marsh. Comment
  UCD122509  Mimulus cardinalis K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CDA11329  Mimulus congdonii G. F. Hrusa 1995-4-2 12039 Sonoma North Coast Biodiversity Arena; Along Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  JEPS86851  Mimulus douglasii David M. Thompson 1989-4-4 995 Sonoma 1.1 mi n Porter Creek Road (along Franz Valley Road) 300 Comment
  JEPS86852  Mimulus douglasii David M. Thompson 1989-3-18 990 Sonoma 2.8 mi w of birdge Lake Sonoma (along Rockpile Road, then 0.4 mi s along paved campground road to Liberty Glen campground entrance booth, 0.1-0.2 mi ne of parking area); Lake Sonoma Recreation Area 180 Comment
  UCR248873  Mimulus guttatus Peter Rubtzoff 1955-7-9 1928 Sonoma North Coast Range, Forestville Marsh 71 Comment
  UCR275257  Mimulus guttatus Peter Rubtzoff 1959-6-20 4171 Sonoma Willow Creek Marsh 9 Comment
  RSA0022512  Mimulus guttatus Peter Rubtzoff 1964-5-20 5321 Sonoma Bodega Bay Marsh. Comment
  POM5035  Mimulus tricolor Katherine Brandegee 1905-6-8 s.n. Sonoma Along electric line near Santa Rosa. Comment
  UC852247  Minuartia californica Keith Wagnon 1940-3-31 238 Sonoma 5 mi w Sebastopol; Gold Ridge Subdivision Comment
  CAS-BOT-BC388891  Minuartia douglasii Roxana S. Ferris; Laura Lorraine 1961-6-14 13522 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  CAS-BOT-BC388892  Minuartia douglasii Roxana S. Ferris; Laura Lorraine 1961-6-14 13522 Sonoma Junction of Bittner Rd. with Joy Rd., between Occidental and Bodega Comment
  CAS-BOT-BC388897  Minuartia douglasii Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  HSC4089  Minuartia douglasii H. E. Parks, S. T. Parks 1930-5-10 851 Sonoma Knights Valley 152 Comment
  UC72588  Mollugo verticillata Miss M. Alice King Sept. 1896 Sonoma near Healdsburg (Russian River); Russian River Comment
  CAS-BOT-BC435115  Mollugo verticillata James McMurphy 1906-7-16 s.n. Sonoma Fulton Comment
  JEPS87251  Monardella purpurea Jack and Betty Guggolz 1992-3-12 1242 Sonoma w side Rincon Ridge; Santa Rosa 213 Comment
  LA62442  Monardella villosa Herbert L. Mason; 1928-7-10 4883 Sonoma Jenner Comment
  CAS-BOT-BC314182  Monardella villosa subsp. villosa Milo S. Baker 1926-4-10 216 b Sonoma Mt. St. Helena. Trail to Crater Comment
  CHSC68015  Monardella viridis Jack Guggolz; Betty Guggolz 1992-7-25 1332 Sonoma Ca. 0.6 mi SSW of Bradford Mountain, 4.5 mi S of Geyserville. 292 Comment
  SEINET12330779  Monardella viridis W. Knight, Knight, I.; Edwards, S. 1986-1 5528 Sonoma Pepperwood Nature Preserve on Franz Valley Road, on W rim of Devil's Garden Comment
  CAS-BOT-BC444983  Montia fontana R. Bacigalupi 1948-3-6 2856 A Sonoma At junction of roads from Stewart's Point and Annapolis, on road from Skaggs Springs, NW Sonoma County Comment
  UC1146576  Muhlenbergia andina Freed W. Hoffman 1947-8-30 575 Sonoma Red Slide North Coast Ranges, Austin Creek, Layton Mine Comment
  UC1146577  Muhlenbergia andina Freed W. Hoffman 1947-5-30 1700 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC515555  Muilla maritima J. W. Congdon 1880-4-8 s.n. Sonoma Petaluma [collected as Marin County] Comment
  JEPS23179  Myosotis discolor Reino Alava 1955-5-24 2044 Sonoma Pitkin Marsh n.w. of Sebastopol; Pitkin Marsh Comment
  SEINET12332729  Myosotis discolor W. Knight, Knight, I. 1985-1 6327 Sonoma Cooper's Grove, Sonoma Mt. Rd near Matanzas Creek Comment
  SEINET12348989  Myosotis discolor F. H. Utech 1988-5-19 88 -193 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 Comment
  UCD166498  Myosurus Peter Rubtzoff 1966-4-17 5681 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC258905  Myriophyllum Peter Rubtzoff 1971-9-3 6702 Sonoma Spring Creek Reservoir area. Comment
  CAS-BOT-BC251165  Myriophyllum aquaticum Peter Rubtzoff 1961-10-18 4770 Sonoma Cunningham Marsh. Comment
  UCR244631  Myriophyllum aquaticum Peter Rubtzoff 1961-10-18 4770 Sonoma Cunningham Marsh [near 1460 Big Cedar Lane, Sebastapol, CA] 38 Comment
  CAS-BOT-BC251167  Myriophyllum aquaticum Peter Rubtzoff 1973-10-10 7334 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  RSA0060104  Myriophyllum hippuroides Greg de Nevers 1996-10-18 10889 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Biggest Double Pond. 91 Comment
  UCR244634  Myriophyllum hippuroides Peter Rubtzoff 1955-7-16 1966 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  CAS-BOT-BC251161  Myriophyllum hippuroides Peter Rubtzoff 1966-8-21 5797 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC251162  Myriophyllum hippuroides Peter Rubtzoff 1966-8-26 5813 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC361285  Nassella lepida Greg de Nevers 1997-4-24 10964 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA129499  Nassella lepida H. S. Yates 1937-5-31 6567 Sonoma 2 mi SW of Petrified Forest 305 Comment
  SEINET257981  Nassella manicata Mary E. Barkworth, D. Amme 1989-5-15 5170 Sonoma About 2 mi. N of Jenner on US 1. Comment
  CAS-BOT-BC260283  Nassella pulchra G. DeNevers 1981-5-5 952 Sonoma Pepperwood Ranch. Along the road by Pippindale Garden Comment
  RSA115461  Nassella pulchra Beecher Crampton 1957-5-16 4041 Sonoma US Highway 101, 3 miles south of Healdsburg. Comment
  CAS-BOT-BC344989  Nasturtium officinale Peter Rubtzoff 1960-5-18 4387 Sonoma Bodega Head Marsh. Comment
  UCD116102  Nasturtium officinale Terri Williamson 1990-5-20 65 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  CAS-BOT-BC479713  Navarretia cotulifolia Ann Howald 2003-5-15 2334 A Sonoma Inner North Coast Ranges: Sonoma Mountains, S end, lower E slope, c. 0.2 mi SE of intersection of Lewis Creek and Felder Creek 151 Comment
  UC106834  Navarretia heterodoxa Michener and Bioletti Jul 1891 1554 a Sonoma Hoods Peak Comment
  UC101995  Navarretia intertexta Katharine Brandegee Jun 1905 Sonoma between Santa Rosa and Sebastopol Comment
  UCD48410  Navarretia intertexta Calvin McMillan Date Unknown 597 Sonoma Sonoma County, Trinity Road, 6 miles northeast Glen Ellen. Comment
  CAS-BOT-BC230378  Navarretia leucocephala subsp. bakeri Herbert L. Mason 1934-4-28 8094 Sonoma Highway between Healdsburg and Santa Rosa Comment
  CAS-BOT-BC232687  Navarretia pubescens Alva Day; George Lindsay; Mona Bourell 1982-6-25 82 57 a Sonoma N of Glen Ellen, off Highway 121, Pepperwood Ranch Preserve, California Academy of Sciences, 0.5 mile NW of Strebel Homestead above Martin Creek Comment
  SD53367  Navarretia squarrosa Darley F. Howe 1962-7-28 3360 Sonoma Mark West Creek, 3.4 miles east of #101 Comment
  SDSU3222  Navarretia squarrosa D. F. Howe 1962-7-28 3360 Sonoma Mark West Creek, 3.4 miles east of #101. Comment
  UCD48702  Navarretia squarrosa Frederica Bowcutt 1994-6-25 1915 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. Along Grey Pine Trail about 1/2 way between Brushy Peak Trail and Meadow Trail. 530 Comment
  UC1719841  Navarretia tagetina David Fruchter 1978-9-17 94 -2 Sonoma Glen Ellen Comment
  UC1042316  Navarretia viscidula John Thomas Howell 1947-6-26 23318 Sonoma Cunningham Marsh Comment
  POM65258  Nemophila heterophylla A. A. Heller, H. E. Brown 1902-3-16 s.n. Sonoma Russian River, Near Trenton. Comment
  UC24235  Nemophila menziesii J. Burtt Davy 1896-3-15 1673 Sonoma near Fort Ross; near Fort Ross Comment
  HSC49363  Nemophila menziesii R. York 1979-4-8 201 Sonoma Along Hwy. 128 305 Comment
  UCSC000578  Nemophila menziesii subsp. atomaria Charisse Bickford 1979-4-13 s.n. Sonoma in wet, rocky soil at roadside near an orchard 4.7 miles east of the junction of Trinity Road with highway 12 Trinity Road, highway 12 671 Comment
  POM248998  Nemophila menziesii var. atomaria Lincoln Constance 1938-4-24 2158 Sonoma Mouth of small canyon, 0.5 mile south of Fort Ross. 91 Comment
  RSA75893  Nemophila menziesii var. atomaria Lincoln Constance 1938-4-24 2158 Sonoma Mouth of small canyon, 0.5 mile south of Fort Ross. 91 Comment
  RSA128920  Nemophila menziesii var. menziesii Peter H. Raven 1950-4-6 1571 Sonoma Vernal flats, Cotati to Santa Rosa. 152 Comment
  RSA51317  Nemophila menziesii var. menziesii Peter H. Raven 1950-4-6 1571 Sonoma Cotati to Santa Rosa. 30 Comment
  CAS-BOT-BC231195  Nemophila parviflora A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross Comment
  CAS-BOT-BC164379  Nicotiana Peter Rubtzoff 1974-8-3 7792 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River Comment
  CAS-BOT-BC366896  Nicotiana Greg de Nevers 1997-10-17 11106 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Hansel's corral 400 Comment
  UCR248360  Nicotiana acuminata var. multiflora Peter Rubtzoff 1986-9-29 9754 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  SEINET12327553  Nicotiana acuminata var. multiflora W. Knight, Knight, I.; Edwards, S. W. 1984-1 5043 Sonoma along Willow Creek near Stony Point Rd, between Corona Rd & Old Redwood Hwy 6 Comment
  UC70571  Nicotiana quadrivalvis W. A. Setchell 1905-8-13 Sonoma banks of Russian River (Bohemia); Bohemia Comment
  SD109448  Notholithocarpus densiflorus Jack Reveal 7/1981 2746 Sonoma near Annapolis 305 Comment
  CAS-BOT-BC400124  Nuphar polysepala Peter Rubtzoff 1958-7-26 3813 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC140454  Oemleria cerasiformis D. E. Breedlove 1976-3-27 39447 Sonoma Along Dry Creek, ca. 1 mile past Warm Springs Dam Comment
  CHSC114375  Onopordum illyricum Andrew Smith 2011-12-21 PDR 1604230 Sonoma Santa Rosa; Pepperwood Preserve; 3450 Franz Valley Rdl, near Mark West Springs Rd. Comment
  UC1731298  Orobanche bulbosa Dean W. Taylor 1998-6-22 16680 Sonoma 0.3 mi e along ridge from Eagle Rock Substation (ridge dividing Bear Canyon from Squaw Creek, Mayacamas Mountains); North Coast Ranges Region, Mayacamas Mountains 792 Comment
  CAS-BOT-BC499696  Orobanche californica subsp. californica Steve Edwards 1984-7-22 s.n. Sonoma N end of prairie, N of Duvoul Cr., N of Camp Meeker, E of Highway Comment
  JEPS67142  Orobanche californica subsp. californica Dorothy King Young 1971-10-15 Sonoma Alder Creek Beach. Comment
  RSA0069019  Orobanche californica subsp. jepsonii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  JEPS14552  Orobanche fasciculata Peter Kamb 1951-6-17 1876 Sonoma Larkspur Rock', south side of Cheney Gulch, 2.9 miles west of fork in road to Bodega and Valley Ford. Comment
  JEPS75583  Orobanche fasciculata Nancy Harrison 1976-5-17 Sonoma Trail back of theatre, Armstrong Woods Park. Comment
  RSA66918  Orthocarpus attenuatus E. K. Balls 1951-5-3 16405 Sonoma Ca. 1 mi. e. from Petrified Forest, road to Calistoga 610 Comment
  CAS-BOT-BC7012  Orthocarpus castillejoides Alice Eastwood; John Thomas Howell 1936-5-19 2518 Sonoma 2 miles N of Windsor Comment
  RSA34066  Orthocarpus faucibarbatus A. A. Heller 1928-5-14 15090 Sonoma Just east of the town of Bodega. Comment
  RSA34074  Orthocarpus faucibarbatus A. A. Heller 1940-4-22 15555 Sonoma At Windsor. Comment
  POM182702  Orthocarpus faucibarbatus var. albidus D. D. Keck 1931-4-1 995 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma) 10 Comment
  RSA144398  Orthocarpus lithospermoides Roxana S. Ferris, Laura Lorraine 1961-6-14 13549 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UC1130245  Oxalis oregana E. Armstrong 1934-3-26 914 Sonoma 1 mi n Camp Meeker; Sebastopol quad 121 Comment
  UCR3592  Oxalis oregana Carolyn McNeill 1969-5-25 s.n. Sonoma Sebastopol, 0.75 mi. east of Coffee Lane 107 Comment
  UCD110970  Oxalis oregana Donna Allen 1977-5-29 s.n. Sonoma dry creek roadside 5 miles from coast. Comment
  UCD110992  Oxalis pilosa K. Esau 1932-5-2 s.n. Sonoma Bodega Bay. Comment
  UCD160299  Packera eurycephala James A. Neilson Jr. 1975-5-17 3192 Sonoma West of State Highway 29, Robert Louis Stevenson State Park, 2/3 of the way to summit of Mt. St. Helena along road. (Exact location unknown. Elevation and coordinates estimated by label maker.) 1165 Comment
  CAS-BOT-BC227645  Panicum Peter Rubtzoff 1978-9-10 9263 Sonoma Russian River at Del Rio Beach, ca. 2.5 mi. east of Healdsburg on S. Fitch Mountain Road. Comment
  RSA784566  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River bottom at Forest HIlls, 5.5 mi east of Guerneville. Comment
  POM188279  Panicum acuminatum var. acuminatum Marcus E. Jones 1931-7-5 29210 Sonoma The Geysers. Comment
  RSA94264  Panicum acuminatum var. acuminatum Peter Rubtzoff 1951-6-7 134 Sonoma Western branch of the Upper marsh; Pitkin Marsh, near Forestville Comment
  UCD88194  Panicum acuminatum var. fasciculatum A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3585 Sonoma North facing slope in chapparral. 3 1/2 miles west of Occidental on road to Molino. Comment
  UCD32826  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 d Sonoma North East part of county. The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). 493 Comment
  UCD89134  Panicum acuminatum var. thermale A. R. Kruckeberg 1949-6-4 S 21 Sonoma Sulphur Creek.Big Geysers. Comment
  UC1146648  Parapholis incurva Freed W. Hoffman 1941-6-22 2194 Sonoma Sonoma Coast mouth of Salmon Creek; North Coast Ranges, , Sonoma Coast Comment
  JEPS128230  Parnassia palustris Roger Raiche 2000-9-9 152 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD164207  Paspalum dilatatum Peter Rubtzoff 1978-8-12 9256 Sonoma Russian River at Del Rio Beach, ca 2.5 mi. E of Healdsburg on So. Fitch Mtn. Road. Comment
  CAS-BOT-BC265691  Paspalum distichum Peter Rubtzoff 1951-7-14 432 Sonoma Southern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC265692  Paspalum distichum Peter Rubtzoff 1951-6-9 181 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC265697  Paspalum distichum Peter Rubtzoff 1951-6-9 181 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  UCD148512  Paspalum distichum Peter Rubtzoff 1965-8-16 5607 Sonoma Russina River margin at Forest Hills (5.5 miles E of Guerneville). Comment
  SD88564  Pedicularis densiflora Darley F. Howe 1972-2-20 Sonoma Trinity Road, Mt. Hood Range Comment
  UCD165877  Pelargonium capitatum Peter Rubtzoff 1970-10-29 6424 Sonoma Bodega Harbor Marsh. Comment
  UCD151085  Pellaea mucronata James A. Neilson Jr. 1974-6-1 2769 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, ca. 3 1/2 mi. west of Whispering Pines, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  SEINET5501471 Image available Penstemon heterophyllus Sally Walker 1981-6-8 s.n. Sonoma E side of Mt St Helena 610 Comment
  JEPS78830  Penstemon heterophyllus var. australis Edward Lee 1936-6-7 2199 Sonoma on the fire trail near Highpoint (Bohemian Grove); , near Highpoint Comment
  UC354468  Penstemon heterophyllus var. heterophyllus Milo S. Baker 1904-6-1 Sonoma Sonoma Creek Canyon above Maple Glen; Sonoma Creek Canyon above Maple Glen Comment
  CAS-BOT-BC245713  Penstemon newberryi var. sonomensis Alice Eastwood 1915-6-6 4701 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC222740  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1974-6-22 7622 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from (west of) Llano Road Comment
  RSA264720  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1975-8-16 8328 Sonoma Bennett Mountain Lake, near south side of lake Comment
  RSA276578  Perideridia gairdneri subsp. gairdneri Lincoln Constance, T. Chuang, Robert Ornduff, Peter Rubtzoff 1965-10-2 3766 Sonoma Marsh on Atascadero Creek 1 mile NW of Grafton 183 Comment
  UC1287832  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-9-25 5829 Sonoma e Graton (betw. Occidental and Guerneville roads); Laguna de Santa Rosa Comment
  UC1312868  Perideridia gairdneri subsp. gairdneri L. Constance and T. I. Chuang with Robert Ornduff and Peter Rubtzoff 1965-10-2 3766 Sonoma marsh on creek 1 mi nw Graton; Atascadero Creek 182 Comment
  UC1041101  Perideridia kelloggii J. W. Congdon 1880-8-2 Sonoma Petaluma and Santa Rosa Road Comment
  UCD127856  Perideridia kelloggii G. F. Hrusa; R. Gross 1996-6-30 13058 Sonoma on summit of Mayacmas Range at west end of Diamond Mtn. Rd.; 2 m. SW of Calistoga. 700 Comment
  OBI8817  Perideridia kelloggii Robert F. Hoover 1966-8-23 9917 Sonoma Mark West Creek, on Santa Rosa-Calistoga Rd near junction of St. Helena Rd. Comment
  CAS-BOT-BC413637  Persicaria amphibia Peter Rubtzoff 1971-6-25 6554 Sonoma Off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing Comment
  CAS-BOT-BC413641  Persicaria amphibia Peter Rubtzoff 1971-9-3 6694 Sonoma Spring Creek Reservoir area Comment
  CAS-BOT-BC413642  Persicaria amphibia Peter Rubtzoff 1971-9-3 6696 Sonoma Spring Creek Reservoir area Comment
  CAS-BOT-BC413656  Persicaria amphibia Peter Rubtzoff 1963-7-6 5196 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Road crossing Comment
  CAS-BOT-BC413659  Persicaria amphibia Peter Rubtzoff 1966-8-21 5796 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC413740  Persicaria hydropiper John Thomas Howell 1932-9-18 10779 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC418905  Persicaria hydropiperoides Peter Rubtzoff 1960-9-14 4526 Sonoma Laguna de Santa Rosa east of Graton (betw. Occidental and Guerneville roads) Comment
  SJSU5986  Persicaria hydropiperoides C. W. Sharsmith 1972-6-24 7807 Sonoma Laguna de Santa Rosa, N of Sebastopol, E of Graton Comment
  CAS-BOT-BC418894  Persicaria hydropiperoides Catherine Best 1981-8-22 s.n. Sonoma On Stoetz Lane about 2 miles northeast of Occidental Comment
  SD99428  Persicaria lapathifolia Peter Rubtzoff 1962-10-23 5127 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC419271  Persicaria maculosa Peter Rubtzoff 1965-8-29 5630 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville) Comment
  CAS-BOT-BC419272  Persicaria maculosa Peter Rubtzoff 1966-9-10 s.n. Sonoma Laguna de Santa Rosa ca. 1 mi. east-southeast of Sebastopol Comment
  CAS-BOT-BC419277  Persicaria maculosa Peter Rubtzoff 1962-10-23 5128 Sonoma Atascadero Creek Marsh Comment
  UCD148419  Petasites frigidus var. palmatus Peter Rubtzoff 1960-6-10 4495 Sonoma Fife Creek Marsh. Comment
  UCR179375  Petrorhagia nanteuilii Botany 102 students 1993-5-8 285 Sonoma Sugarloaf Ridge, About 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 eair miles NW of Napa. In Adobe Canyon N of Sugarloaf Ridge. Bald Mountain Trail less than 1 air mile south of Red Mountain, N of Sonoma Creek 488 Comment
  UCD98395  Petrorhagia nanteuilii Rimo Bacigalupi; G. T. Robbins, F. Hoffman 1956-5-31 5676 Sonoma along secondary road following Big Austin Creek, at base of 'The Butcher Knife' (R12W). 182 Comment
  UCD98397  Petrorhagia nanteuilii Botany 102 Students 1993-5-8 224 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 Meadow Creek. 396 Comment
  UC107557  Phacelia bolanderi Michener and Bioletti 1892-7-7 1886 a Sonoma Gualala Comment
  UC726925  Phacelia bolanderi A. A. Heller 1940-5-10 15603 Sonoma near bridge spanning the Gualala River (on road between Stewart Point and Skagg's Springs) Comment
  UC702959  Phacelia distans John Thomas Howell 1930-6-8 5274 Sonoma sand hills at n end Bodega Bay (type locality region) Comment
  UCR168244  Phacelia distans Alice Eastwood 1933-5-7 18841 Sonoma Sonoma 198 Comment
  SD72089  Phacelia imbricata John Thomas Howell 1929-6-9 4302 Sonoma 2.0 miles north of Sonoma. Comment
  SEINET12335289  Phacelia imbricata F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -248 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UCR218638  Phalaris aquatica George K. Helmkamp, E. A. Helmkamp 2010-6-4 16218 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  CAS-BOT-BC258945  Phalaris aquatica Walter Knight; Irja Knight; J. T. Howell 1987-5-14 6387 Sonoma Llano Road near sewage treatment plant Comment
  CAS-BOT-BC259020  Phalaris californica Peter Rubtzoff 1962-6-1 4859 Sonoma Freestone Marsh Comment
  RSA155424A  Phalaris californica L. S. Rose 1962-6-1 62067 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  UC1132418  Phalaris californica H. S. Yates 1936-5-16 5618 Sonoma near Green Valley School; Sebastopol Quadrangle Comment
  UCR244625  Phalaris lemmonii Peter Rubtzoff 1972-6-23 6784 Sonoma Atascadero Creek Marsh Comment
  SEINET11690146  Phalaris lemmonii J. T. Howell, Knight, I.; Knight, W. 1987-1 6249 Sonoma Todd Road Preserve 24 Comment
  RSA789053  Phalaris paradoxa Carrie A. Herd 1982-5-15 116 Sonoma Rohnert Park, C.S.U, Sonoma, between dorm parking lot and bicycle path Comment
  CAS-BOT-BC253561  Phleum alpinum David D. Keck; J. Clausen 1935-6-15 3377 Sonoma 5 mi. S. of Jenner Comment
  CAS-BOT-BC253562  Phleum alpinum Alice Eastwood 1915-6-29 4874 Sonoma Bodega Point Comment
  CAS-BOT-BC260878  Phleum pratense Peter Rubtzoff 1958-7-5 3733 Sonoma Atascadero Creek Marsh Comment
  UC30189  Phlox gracilis W. H. Brewer 1862-4-18 973 Sonoma near Sonoma Comment
  JEPS128214  Phlox speciosa Roger Raiche 2002-5-26 009 .02 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA572341  Phoradendron densum Vanessa Ashworth, Nigel Boyle 1994-8-20 55 Sonoma Ca 2.5 miles N of Camp Meeker on Bohemia Hwy from Occidental to Monte Rio. 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
  UCD102206  Phoradendron leucarpum subsp. tomentosum Linda A. Bell 1975-5-24 185 Sonoma Mosquito Ridge Road, 17.5 miles East of junction with Auburn-Foresthill Road. 1310 Comment
  CAS-BOT-BC171218  Phoradendron serotinum subsp. tomentosum G. De Nevers 1981-9-5 1805 Sonoma Pepperwood Ranch. Near Hansel's Well Comment
  UCD138370  Phyllospadix scouleri P. G. Connors 1993-6-6 316 Sonoma Bodega Head and Dunes. Horseshoe Cove. Comment
  UCD21520  Phyllospadix torreyi Becky Wilson 1973-5-12 71 Sonoma Bodega Bay Head in front of UC Marine Laboratory. Comment
  CAS-BOT-BC140616  Physocarpus capitatus Peter Rubtzoff 1951-6-12 282 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC140619  Physocarpus capitatus G. DeNevers 1981-5-20 1227 Sonoma Leslie Creek and Mark West Creek, Pepperwood Ranch Comment
  CAS-BOT-BC202280  Pickeringia montana var. montana Mary P. Wells 1983-8-3 s.n. Sonoma Pygmy Forest, Timber Preserve of Oceanic of California, inc., The Sea Ranch Comment
  POM20257  Pickeringia montana var. montana A. A. Heller 1902-6-23 5740 Sonoma Petrified Forest Comment
  UCR279635  Picris echioides Peter Rubtzoff 1966-8-16 5783 Sonoma Laguna de Santa Rosa, northeast of Graton, c. 0.5 mile north of Guerneville [Rd.] 26 Comment
  HSC100961  Pilularia americana Peter Warner, Sarah Gordon 2011-5-16 200 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), 175 m E144 deg. S from swimming pool. 0 Comment
  CDA500  Pinus attenuata G. Fred Hrusa 2000-2-6 s.n. Sonoma Mt. St. Helena, NW facing slope; 1/4 mi N of summit of Ida Clayton Rd. 0 Comment
  SEINET11738931  Pinus attenuata W. Knight, Knight, I. 1981-1 3981 Sonoma 5.2 mi up Cavedale road from jct of state route #12 Comment
  POM316057  Pinus muricata Patricia Wilder 1965-6-10 3652 Sonoma Seaview road, ca. 1 miles north of junction with Fort Ross road. 549 Comment
  UCD134778  Pinus muricata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  SEINET5055374  Pinus muricata Unknown 1983-7-7 E- 3 Sonoma Vicinity Salt Point, State Hwy 1 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
  UCSC008209  Piperia elegans Randall Morgan 1989-1 1321 -P, 1324-P Sonoma Malm Flat Trail, Sugarloaf Ridge State Park Comment
  CAS-BOT-BC157653  Plagiobothrys Peter Rubtzoff; H. A. Froebe 1971-5-30 6488 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC164673  Plagiobothrys Peter Rubtzoff 1971-7-3 6590 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  CAS-BOT-BC154995  Plagiobothrys Peter Rubtzoff 1970-5-16 6219 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC492931  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain; NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds; sampling pool #1 43 Comment
  CDA13131  Plagiobothrys bracteatus G. F. Hrusa, R. Gross 1996-6-3 13066 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  RSA784980  Plagiobothrys bracteatus Peter Rubtzoff 1969-5-11 6040 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  JEPS21216  Plagiobothrys nothofulvus H. S. Yates 1934-4-22 3842 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  UCR119034  Plagiobothrys nothofulvus Beecher Crampton 1955-4-5 2414 Sonoma Santa Rosa Area, 2 miles southwest of Windsor 91 Comment
  RSA51264  Plagiobothrys nothofulvus P. H. Raven 1950-4-6 1600 Sonoma Lower slopes of Rincon Ridge, 4 miles to Sonoma from Santa Rosa. 244 Comment
  RSA785668  Plagiobothrys reticulatus Peter Rubtzoff 1971-5-8 6449 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  UCD120863  Plagiobothrys reticulatus Mary M. Hektner 1974-7-5 121 -A Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC79580  Plagiobothrys reticulatus var. rossianorum Katharine Brandegee June 1905 Sonoma Bodega Bay Comment
  CAS-BOT-BC376388  Plantago coronopus Greg de Nevers 1993-4-26 10403 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mountain House driveway. 400 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
  UC730020  Plantago erecta Leo F. Koch 1940-4-24 847 Sonoma just n Warfield Station Comment
  UCD124501  Plantago erecta Collector Unknown Date Unknown s.n. Sonoma Exact location unknown. Comment
  UC496402  Plantago lanceolata Merle Randall 1930-4-10 Sonoma Fort Ross to Jenner 91 Comment
  RSA800874  Plantago subnuda Peter Rubtzoff 1954-8-9 1658 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC92117  Platystemon californicus Alice Eastwood 1915-6-29 4863 Sonoma Bodega Point. Comment
  UC147066  Platystemon californicus H. P. Chandler 1907-4-28 7548 Sonoma near road to Mark West Sprs.; near road to Mark West Sprs. Comment
  SEINET6911641  Platystigma linearis Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Dunes near their base, Bodega Head, near middle of peninsula. Comment
  JEPS89125  Plectritis brachystemon A. A. Heller 1938-5-14 15088 Sonoma e of Bodega Bay (at the Russian settlement at Fort Ross, (farther up the coast)); Fort Ross, Russian settlement Comment
  POM253176  Plectritis congesta subsp. nitida A. A. Heller 1938-5-14 15088 Sonoma Just east of Bodega Bay. Comment
  CAS-BOT-BC173804  Pleuropogon Peter Rubtzoff 1966-4-30 5686 Sonoma On north side of Highway 116, 0.5 miles northwest of Stony Point Road crossing. Comment
  CAS-BOT-BC260925  Pleuropogon californicus Mary P. Wells 1984-4-23 189 Sonoma Rincon Valley, Santa Rosa Comment
  UCD90157  Pleuropogon californicus G. F. Hrusa 1996-3-29 12739 Sonoma Napa Valley bottom, immediately S of Tubbs Lane, approximately 2 m. NW of Calistoga. 110 Comment
  UCR111257  Pleuropogon californicus L. S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  UCD36835  Pleuropogon californicus Beecher Crampton 1956-3-12 3220 Sonoma Sonoma County, Alexander Valley Store. Comment
  CAS-BOT-BC260985  Pleuropogon californicus var. californicus A. A. Heller 1902-4-15 5294 Sonoma Santa Rosa Comment
  JEPS117079  Pleuropogon californicus var. californicus Peter Warner 2010-5-6 140 Sonoma Annadel State Park, in upland vernal pool ~250 m N of Canyon Trail, ~220 m W of Spring Creek, just S of old rock wall Comment
  UC1258202  Pleuropogon hooverianus Paul But Aug 1977 P 45 Sonoma 0.5 mi from Freestone (on Bohemian Hwy at Freestone Flat Road) Comment
  UC1258216  Pleuropogon hooverianus Paul But 1976-4-26 P 5 Sonoma 0.5 mi from Freestone (on Bohemian Hwy at Freestone Flat Road) Comment
  UC1258217  Pleuropogon hooverianus Paul But 1975-5-17 P 4 Sonoma 0.5 mi from Freestone (on Bohemian Hwy at Freestone Flat Road) Comment
  RSA336124  Pleuropogon hooverianus Paul But 1977-5-3 P 6 Sonoma 3 miles NE of Penngrove, along Pressley Road Comment
  UCD92180  Poa Beecher Crampton 1957-7-11 4294 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD92203  Poa Collector Unknown 1941-4-1 379 Sonoma near Wright School. Comment
  RSA0021492  Poa Peter Rubtzoff 1976-5-30 8557 Sonoma Kenwood Marsh Comment
  UCR239725  Poa bulbosa G. Fred Hrusa, R. Gross 1995-4-1 12034 Sonoma Foote Ranch at northeast corner of Hwy 128 and Ida Clayton Road. Knights Valley 150 Comment
  CAS-BOT-BC246637  Poa howellii A. A. Heller 1902-3-27 5168 Sonoma Western base of Mt. Hood Comment
  UCD91156  Poa howellii Collector Unknown 1941-4-1 369 Sonoma side road off Trinity Road. Comment
  UCD90524  Poa kelloggii Beecher Crampton 1955-6-17 2947 Sonoma 4.5 miles S of Cazadero. Comment
  CAS-BOT-BC256026  Poa pratensis Catherine Best 1981-6-5 s.n. Sonoma Stoltz Lane about 2 miles N.E. of Occidental Comment
  CAS-BOT-BC256029  Poa pratensis Peter Rubtzoff 1951-6-7 128 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  UC1023576  Poa pratensis subsp. pratensis Virginia Bufford 1936-5-22 395 Sonoma ca 5 mi from Annapolis (road to Pt Arena) Comment
  RSA126922  Poa secunda H. S. Yates 1934-4-22 s.n. Sonoma 2 miles S. of Mark West 152 Comment
  CAS-BOT-BC243245  Poa secunda subsp. secunda A. A. Heller 1902-4-9 5245 Sonoma In railroad cut 3 miles S of Healdsburg Comment
  CAS-BOT-BC244195  Poa trivialis Peter Rubtzoff 1959-6-13 4121 Sonoma Willow Creek Marsh Comment
  UC1023577  Poa unilateralis Virginia Bufford 1935-5-19 55 Sonoma Portuguese Beach Comment
  UCD92153  Poa unilateralis David L. Morgan 1961-4-15 s.n. Sonoma above Bodega Bay. Comment
  CDA40767  Pogogyne douglasii subsp. minor Peter Rubtzoff 1971-7-9 6600 Sonoma 4.25 miles west of Glen Ellen. 0 Comment
  POM62751  Pogogyne douglasii subsp. parviflora A. A. Heller 1902-6-4 5642 Sonoma Santa Rosa. Comment
  UC1002652  Polycarpon tetraphyllum Milo S. Baker and H. K. Wagnon 1954-7-1 12960 Sonoma Santa Rosa; sidewalk crevices in front of Hughes Garage 2nd St. Comment
  OBI48882  Polygala californica Michener & Bioletti, Bioletti June 1893 s.n. Sonoma Hoods Peak Comment
  UCD109701  Polygala californica Roxana S. Ferris; Laura Lorraine 1961-6-15 13553 Sonoma Green Valley Road 0.8 mi. E of junction with Harrison Grade Road. Comment
  UCD109702  Polygala californica E. Frost 1996-5-26 20 Sonoma Mt. St. Helena, 150 yards in along hiking trail. 609 Comment
  UCD136449  Polygala californica M. Rei Scampavia Evangelista 2012-5-20 13 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  UCD160861  Polygala californica James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3302 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SEINET5501531 Image available Polygala californica Sally Walker 1981-5-13 s.n. Sonoma 2 mi E of Occidental Comment
  CAS-BOT-BC376404  Polygonum Greg de Nevers 1996-9-2 10871 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Kitchen Creek below Silva's. 400 Comment
  CAS-BOT-BC540806  Polygonum Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7847 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC414281  Polygonum aviculare subsp. depressum G. DeNevers 1981-7-1 1737 Sonoma Pepperwood Ranch. In Pippindale Garden Comment
  CAS-BOT-BC414282  Polygonum aviculare subsp. depressum John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53939 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC414317  Polygonum aviculare subsp. neglectum Peter Rubtzoff 1959-6-20 4161 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC109165  Polygonum bolanderi F. G. Krauss 1893-10-8 s.n. Sonoma K Ranch. Comment
  RSA800607  Polygonum hydropiper Peter Rubtzoff 1973-8-15 7210 Sonoma Russian River at Squaw Rock, 6 mi south of Hopland. Comment
  SD39936  Polygonum paronychia Edith A. Purer 1932-7-24 4072 a Sonoma Bodega Bay Comment
  UC71482  Polypodium J. Burtt Davy 1894-12-9 854 Sonoma Kenwood 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
  UCD136916  Polypodium californicum Frederica Bowcutt 1996-5-23 2145 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 at toe of Sugarloaf Ridge just S of campground on rocky slope. 377 Comment
  CAS-BOT-BC76863  Polypodium calirhiza A. T. Graff 1926-2-1 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC76897  Polypodium calirhiza Milo S. Baker 1944-6-1 10886 Sonoma 1 1/2 mi N of Sonoma town in the hills along an established road. Comment
  SEINET11719105  Polypodium glycyrrhiza S. W. Edwards 1986-1 s.n. Sonoma St. Helena Rd, 5.55 mi from Calistoga Rd., 6.7 mi from hwy in St. Helena Comment
  CAS-BOT-BC312686  Polypogon Peter Rubtzoff 1983-8-28 9673 Sonoma Austin Creek ca. 0.5 miles north of Hwy. 116 on Cazadero Road. Comment
  RSA0034038  Polypogon Peter Rubtzoff 1986-7-13 9723 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCR248722  Polypogon Peter Rubtzoff 1964-7-14 5402 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  UCR254831  Polypogon Peter Rubtzoff 1970-9-3 6376 Sonoma Marsh off west side of Highway 1, 0.7 miles SE of Salmon Creek crossing 30 Comment
  RSA0022378  Polypogon Peter Rubtzoff 1973-9-8 7303 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Comment
  UC1011006  Polypogon australis Virginia Bufford 1936-5-22 385 Sonoma Skaggs Springs Rd about 10 mi from Stewarts Pt; Skaggs Springs Rd Comment
  UCD90966  Polypogon australis Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-28 89 A Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC233186  Polypogon interruptus Greg de Nevers 1992-6-26 10211 Sonoma Along Franz Creek. Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 91 Comment
  CAS-BOT-BC233189  Polypogon interruptus Peter Rubtzoff 1951-6-16 220 Sonoma Pitkin Marsh, near Forestville, N half of Lower Marsh Comment
  UC203502  Polypogon interruptus unknown 1885-5-9 Sonoma Sonoma Creek Comment
  CAS-BOT-BC237398  Polypogon monspeliensis Greg de Nevers 1981-5-12 1142 Sonoma Pepperwood Ranch. At the Red Corral, Old McCann Homestead Comment
  CAS-BOT-BC237403  Polypogon monspeliensis Peter Rubtzoff 1951-8-19 642 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh Comment
  CAS-BOT-BC237416  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Near Sonoma Comment
  JEPS45791  Polypogon monspeliensis Eleanor Armstrong 1932-5-23 169 Sonoma 2 mi sw Mark West Springs; sw of Mark West Springs 152 Comment
  UCD161843  Polypogon monspeliensis James A. Neilson Jr. 1975-6-26 s.n. Sonoma Mayacmas Mountains, Caldwell Pines area, Wildhorse #1. (Exact location unknown, coordinates estimated by label maker. Georeferenced near Wildhorse Cr.) Comment
  UCD91325  Polypogon monspeliensis Hursh 1919-5-12 X 3252 Sonoma Santa Rosa. Comment
  RSA93467  Polypogon monspeliensis Milo S. Baker 12390 Sonoma Near creek west of Petrified Forest at Shale Quarry. Comment
  CAS-BOT-BC72170  Polystichum californicum D. E. Breedlove 1983-5-4 58704 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC72173  Polystichum californicum Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC72174  Polystichum californicum Peter H. Raven 1950-4-23 1885 Sonoma Sobre Vista 152 Comment
  CAS-BOT-BC72486  Polystichum munitum Irja Knight; Walter Knight 1964-11-15 1781 Sonoma Hood's Peak near Johnson Lake Comment
  CAS-BOT-BC102352  Populus alba Greg de Nevers 1994-4-11 10520 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC445294  Portulaca oleracea Peter Rubtzoff 1956-9-16 2931 Sonoma Russian River. Vacation Beach near Guerneville. Comment
  CAS-BOT-BC376302  Portulacaceae Greg de Nevers 1989-2-1 9036 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Murry. 400 Comment
  CAS-BOT-BC257683  Potamogeton nodosus Peter Rubtzoff 1971-6-25 6552 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC141961  Potentilla anserina subsp. pacifica Alice Eastwood 1917-5-13 s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC141955  Potentilla anserina subsp. pacifica Peter Rubtzoff 1959-6-13 4127 Sonoma Willow Creek Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC516401  Prosartes hookeri Greg de Nevers 1993-3-24 10330 Sonoma Weimar Canyon, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 304 Comment
  UC1288497  Prunella Andrew P. Nelson 1960-8-3 646 C Sonoma Pitkin Marsh Comment
  UCR90890  Prunella vulgaris Kathy Harper, Dane Karr 1994-6-10 s.n. Sonoma North Coast Range, King Ridge Road along Big Austin Creek, north of Cazadero 122 Comment
  SEINET12272809  Prunella vulgaris subsp. vulgaris A. P. Nelson 1961-1 646 1 C Sonoma At Pitkin Marsh Comment
  POM64541  Prunella vulgaris var. lanceolata A. A. Heller 1902-6-4 12191 Sonoma Santa Rosa. Comment
  UC1288496  Prunella vulgaris var. lanceolata Andrew P. Nelson 1960-8-3 646 Sonoma Pitkin Marsh Comment
  UC699661  Prunus serotina T. E. Rawlins September, 1942 Sonoma Fort Ross Comment
  CAS-BOT-BC356926  Pseudognaphalium californicum G. DeNevers 1981-6-15 1556 Sonoma Pepperwood Ranch. Along road from Bald Hills to Franz Valley Creek Comment
  CAS-BOT-BC356929  Pseudognaphalium californicum G. DeNevers 1981-6-15 1531 Sonoma Pepperwood Ranch. Below the big spring below the 180 deg. turn in the road S of the aluminum gate by the orange tree Comment
  SD39799  Pseudognaphalium stramineum Edith A. Purer 1932-7-24 4081 Sonoma Bodega Bay Comment
  UC176853  Pseudognaphalium stramineum P. B. Kennedy 1912-5-27 Sonoma Bodega Bay Comment
  UCD148334  Pseudognaphalium stramineum Peter Rubtzoff 1954-9-4 1725 Sonoma Bodega Head Marsh. Comment
  OBI21026  Pseudotsuga menziesii Dave Morse 1972-7-29 1 Sonoma 1 mi NE of Cloverdale on Hwy 128 91 Comment
  UCR280128  Psilocarphus Peter Rubtzoff 1964-7-7 5389 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC176171  Psilocarphus Peter Rubtzoff 1966-5-30 5746 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC176177  Psilocarphus Peter Rubtzoff 1970-5-30 6250 Sonoma 5 miles north of Sears Point. Comment
  RSA784567  Psilocarphus Peter Rubtzoff 1971-6-25 6553 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  UCD148450  Psilocarphus Peter Rubtzoff 1963-6-6 5168 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  UCD166214  Psilocarphus Peter Rubtzoff 1970-5-16 6229 Sonoma 5 miles north of Sears Point. Comment
  JEPS79501  Pteridium aquilinum var. pubescens Edward Lee 1936-6-5 2175 Sonoma Trail No. 10 Bohemian Grove Comment
  UC1348906  Pteryxia terebinthina var. californica Robert F. Thorne 1965-4-19 34306 Sonoma W.-facing serpentine slope in mixed evergreen forest; W of Stoetz Roadd off of Harrison Grade, ca. 2 miles NNE of Occidental 182 Comment
  CAS-BOT-BC460850  Pyrola aphylla Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  UC496405  Pyrola picta Merle Randall 1930-7-11 Sonoma Cazadero Comment
  CAS-BOT-BC376342  Pyrola picta Greg de Nevers 1998-6-15 11286 Sonoma CYO Camp on Bohemian Highway. Comment
  CAS-BOT-BC94230  Quercus X eplingii Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5139 Sonoma Pine Mountain Rd. 304 Comment
  CAS-BOT-BC94234  Quercus X eplingii Peter H. Raven 1955-8-27 8757 Sonoma 3.2 mi N of Sears Point on State Route 37 Comment
  UCD19428  Quercus X howellii Shannon Murphy 2001-8-1 s.n. Sonoma Austin Creek State Park. 150 Comment
  SEINET12029927  Quercus X morehus W. Knight, Knight, I.; Howell, J. T. 1984-1 5081 Sonoma 1.85 mi up Cavedale Rd. from hwy 12 130 Comment
  CAS-BOT-BC61628  Quercus agrifolia G. DeNevers 1981-4-4 663 Sonoma Along ridge N of Garrison Canyon. Pepperwood Ranch Comment
  UC1193302  Quercus agrifolia R. H. Neuns 1950-5-3 99 Sonoma 6 mi e Geyserville (Quad. 60B3) 426 Comment
  RSA94624  Quercus agrifolia Peter Rubtzoff 1951-8-19 639 Sonoma near Forestville. Pitkin marsh Comment
  CDA12823  Quercus agrifolia var. agrifolia G. F. Hrusa, R. Gross 1996-3-8 12655 A Sonoma North Coast Biodiversity Arena; S side of Foote Creek. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  CAS-BOT-BC79566  Quercus dumosa Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5388 Sonoma Pine Mt. Road Comment
  UCD46181  Quercus dumosa J. M. Tucker 1977-6-16 4395 Sonoma On Shurtleff Ranch off Chalk Hill Road to the east, ca. 4 miles (air-line) northeast of East Windsor (or ca. 10 miles, airline, north-northwest of Santa Rosa), Sonoma County, California. 121 Comment
  CDA11973  Quercus durata G. F. Hrusa, J. Pfeiffer 1995-9-23 12465 Sonoma North Coast Biodiversity Arena; Volcanic ash at Cavedale Edaphic Island, 2.7 m. E of Hwy. 12 on Cavedale Rd. Varying strongly toward Q. berberidifolia. Pure berberidifolia within 100 meters on basalt volcanics. Comment
  SD88422  Quercus durata Darley F. Howe 1972-4-28 Sonoma Mt Hood Range, Trinity Road 395 Comment
  UCD45949  Quercus durata var. durata A. R. Kruckeberg 1947-5-4 1437 Sonoma On first serpentine outcrop on Ida Clayton Road (from Kellogg to Middletown) from Knights Valley, in Sonoma (?) County, California. Comment
  SBBG53020  Quercus durata var. durata M. R. Benedict 1978-4-18 Sonoma above Skaggs Springs Rd ca. 8 mi W of Geyserville Comment
  HSC8232  Quercus garryana L. S. Rose 1964-8-26 64066 Sonoma 6 mi NE of Penngrove 366 Comment
  RSA0089560  Quercus garryana Ann Howald 2015-4-1 3329 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage. 318 Comment
  UCD46118  Quercus garryana var. garryana Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 74 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. Along Hillside Trail S of Sonoma Creek about 1/8 mile from beginning of trail. 381 Comment
  UC338622  Quercus kelloggii unknown Mar 1888 Sonoma near Healdsburg (Warner's ranch) Comment
  SEINET12031933  Quercus kelloggii W. Knight, Knight, I.; Knight, T. 1985-1 6350 Sonoma between Jimtown and geothermal area Comment
  CAS-BOT-BC62806  Quercus lobata W. R. Dudley 1895-2-23 s.n. Sonoma near Knight Valley Winery Comment
  UCD46789  Quercus lobata G. L. Stebbins Jr. 1945-10-7 3585 Sonoma 2 miles northwest of Kenwood. Comment
  UC1193229  Quercus wislizeni var. frutescens R. H. Neuns 1950-5-5 103 Sonoma 3.5 mi w Mercuryville 731 Comment
  CHSC6279  Ranunculus A. K. Reverd 1967-3-19 6 Sonoma On cliff, 6 ft w of highway 1, and 1/4 mi s of Miwok Beach. 10 Comment
  POM268814  Ranunculus californicus A. A. Heller, H. E. Brown 1902-3-14 s.n. Sonoma Near Santa Rosa. Comment
  JEPS54969  Ranunculus canus Willis L. Jepson 1892-3-25 Sonoma near Alpine School; Gates Canyon Comment
  CAS-BOT-BC83438  Ranunculus lobbii A. A. Heller; H. E. Brown 1902-3-14 5060 Sonoma Near Windsor. Comment
  UC634606  Ranunculus lobbii A. E. Borell 1928-4-13 119 Sonoma Petaluma Comment
  UC75662  Ranunculus lobbii Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  RSA534585  Ranunculus muricatus Peter Rubtzoff 1969-5-11 6033 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  HSC34936  Ranunculus occidentalis var. occidentalis Thomas W. Nelson, James Nelson 1975-3-25 1755 Sonoma Beside Hwy. 128 E of Geyserville Comment
  RSA281534  Ranunculus orthorhynchus var. bloomeri Michener, Bioletti 1893-04 s.n. Sonoma Kenwood Comment
  RSA178036  Ranunculus orthorhynchus var. bloomeri Robert F. Thorne 1965-4-19 34267 Sonoma Titus Ranch, Valley Ford. 18 Comment
  POM269796  Ranunculus pusillus G. Thomas Robbins 1937-5-23 181 Sonoma edge of vernal pool, near Wright School on Hwy betw Santa Rosa and Sepastopol Comment
  RSA534578  Ranunculus pusillus Peter Rubtzoff 1969-5-24 6063 Sonoma 6.5 miles SE of Penngrove, on Lichan Road. 427 Comment
  SDSU10151  Reseda luteola D. F. Howe 1977-10-10 5016 Sonoma W. of Petaluma on D3 near Marin Co. 47 Comment
  UCD135429  Rhagadiolus stellatus Caitlin Lewis; William Mutch 1993-4-17 25 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. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. Along Sonoma Creek. 365 Comment
  RSA390199  Rhamnus californica Christopher Davidson 1977-6-20 60115 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  SEINET12210981  Rhamnus californica W. Knight, Knight, I. 1984-1 5005 Sonoma Gualala Point Regional Park, in picnic area with grand firs and Douglas firs 11 Comment
  LA41001  Rhododendron macrophyllum Washington Research Society; 1956-5-29 sn Sonoma 1 mi. SE of Gualla, NW county 15 Comment
  CAS-BOT-BC200339  Rhododendron occidentale var. occidentale H. E. McMinn 1922-6-7 181 Sonoma Near Monte Rio Comment
  CAS-BOT-BC200346  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-17 277 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC200349  Rhododendron occidentale var. occidentale Mary P. Wells 1984-8-8 433 B Sonoma Deer Trail Road north of present end. The Sea Ranch Comment
  CDA32767  Rhododendron occidentale var. occidentale G. F. Hrusa 1988-5-18 5576 Sonoma Outer North Coast Ranges; W side of Hwy 1 between Salt Point State Park and Kruse Ranch rd. 30 Comment
  CAS-BOT-BC200336  Rhododendron occidentale var. occidentale Walter Knight; Irja Knight 1964-2-27 557 Sonoma Ca. 2 mi. S. Gualala on hiway #1 Comment
  RSA0037117  Rhododendron sonomense G. Fred Hrusa 1989-5-8 6097 Sonoma Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  RSA74058  Rhynchospora californica Milo S. Baker 1945-7-18 11112 Sonoma Pitkin Marsh, upper bog Comment
  CAS-BOT-BC111898  Rhynchospora capitellata John Thomas Howell; J. W. Stacey 1936-7-26 12677 Sonoma Pitkin Marsh; 5 miles north of Sebastopol. Comment
  CAS-BOT-BC111906  Rhynchospora capitellata Peter Rubtzoff 1951-6-16 253 Sonoma Pitkin Marsh; uppermost part of the western branch of the Upper Marsh. Comment
  RSA94075  Rhynchospora capitellata J. T. Howell 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111936  Rhynchospora recognita Peter Rubtzoff 1951-7-21 506 Sonoma Pitkin Marsh, Damp, open area between the Upper and Lower Marshes. Comment
  CAS-BOT-BC93056  Ribes californicum var. californicum Dorothy Scherer 1996-3-25 021 Sonoma Northeast corner of Park, ca. 500 feet west of Seaview Road, Fort Ross State Historic Park. 451 Comment
  CAS-BOT-BC93060  Ribes californicum var. californicum Greg de Nevers 1981-3-14 531 Sonoma Pepperwood Ranch. Pippindale Farm, 7 miles northwest of Santa Rosa, near Mark West Lodge. Comment
  CAS-BOT-BC168990  Ribes divaricatum var. pubiflorum Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano Comment
  UC75466  Ribes divaricatum var. pubiflorum Milo S. Baker 1898-4-2 21 Sonoma Forestville Comment
  UC58119  Ribes roezlii var. cruentum A. A. Heller 1903-4-24 6615 Sonoma near Cazadero Comment
  RSA0024683  Ribes roezlii var. cruentum R. C. Bacigalupi 1948-3-6 2857 Sonoma Slopes of Mayacama Range, on road from The Geysers to Geyserville. Comment
  CAS-BOT-BC211981  Ribes sanguineum Alice S. M. McKenzie 1981-2-23 16 Sonoma State Hwy #1 at Kolmer Gulch, coast between Russian and Gualala Rivers Comment
  CAS-BOT-BC209369  Ribes sanguineum var. glutinosum Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano Comment
  CAS-BOT-BC168768  Ribes victoris Michener; Bioletti 1893-4-1 219 Sonoma Adobe Canyon Comment
  UC75451  Ribes victoris var. minus Milo S. Baker June 1899 Sonoma near Mt. Hood; Sonoma Creek Comment
  RSA785734  Romanzoffia californica Carrie A. Herd 1982-3-28 59 Sonoma Scagg Springs Road; 10.1 miles from Scagg Springs Road Bridge no. 1. Comment
  CAS-BOT-BC74696  Rorippa curvisiliqua Peter Rubtzoff 1958-5-17 3662 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC251219  Rosa Peter Rubtzoff 1973-9-9 7314 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC152663  Rosa californica Peter Rubtzoff 1958-7-5 3730 Sonoma Atascadero Creek marsh Comment
  CAS-BOT-BC152674  Rosa californica Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UC467669  Rosa californica V. King Chesnut Aug. 1889 Sonoma Santa Rosa Comment
  UCD158731  Rosa californica Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 2 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. along Big Sulphur Creek. Elevation estimated by label maker. 853 Comment
  CAS-BOT-BC146778  Rosa gymnocarpa Peter Rubtzoff 1957-5-4 3315 Sonoma Duncans Mills Marsh area Comment
  NY415883  Rosa sonomensis L. Greene 1888-9-30 s.n. Sonoma Comment
  CAS-BOT-BC146920  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma S.W. slope of Hood Mt. at top of Rose Butte 243 Comment
  UCD92279  Rostraria cristata Beecher Crampton 1957-5-16 4038 Sonoma 3 miles SW of Cloverdale, Hot Springs Road. Comment
  CAS-BOT-BC147993  Rubus leucodermis Volney Rattan 1877-6-15 s.n. Sonoma Guerneville Comment
  UCD113851  Rubus parviflorus Mary M. Hektner 1974-6-28 85 Sonoma Unit 21 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC1084363  Rubus spectabilis G. Thomas Robbins 1937-3-26 26 Sonoma bank of creek along road e Bodega Bay; e of Bodega Bay Comment
  RSA800078  Rubus ursinus Peter Rubtzoff 1958-5-3 3613 Sonoma Atascadero Creek Marsh. Comment
  RSA784602  Rumex Peter Rubtzoff 1964-7-29 5452 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC422231  Rumex acetosella A. A. Heller 1902-6-7 5655 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC422232  Rumex acetosella Peter Rubtzoff 1952-3-22 871 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC422237  Rumex acetosella Blanca Barrell 1982-8-7 s.n. Sonoma The Sea Ranch Comment
  UCD101051  Rumex acetosella Caitlin Lewis; William Mutch 1993-4-17 10 Sonoma about 40 air miles N of San Francisco, 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. Along Sonoma Creek. 365 Comment
  CAS-BOT-BC421848  Rumex conglomeratus Walter Knight; Irja Knight 1963-8-13 156 Sonoma Horseshoe Cove Comment
  UCR244736  Rumex fueginus Peter Rubtzoff 1963-10-5 5288 Sonoma Laguna de Santa Rosa east of Graton 23 Comment
  UCR244737  Rumex fueginus Peter Rubtzoff 1958-7-20 3792 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road) 30 Comment
  CAS-BOT-BC433850  Rumex pulcher Mary P. Wells 1981-7-2 s.n. Sonoma Black Point, The Sea Ranch Comment
  UC1541361  Rupertia physodes H. E. and S. T. Parks 1930-5-9 604 Sonoma along stream Knights Valley Comment
  POM252715  Rupertia physodes Michener, Bioletti 1893-5-28 2511 Sonoma Glen Ellen Comment
  SEINET11764773  Ruppia maritima P. G. Connors 1991-1 s.n. Sonoma Bodega Head Comment
  UC1719909  Rytidosperma penicillatum Barbara Ertter 2003-7-19 18246 Sonoma Bodega Bay, behind community center on W side of Hwy 1 N of town Comment
  UCD92344  Rytidosperma penicillatum Mary M. Hektner; Cathy hendel, Sue Dakuzaku 1974-6-24 68 Sonoma Unit 1 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC239856  Rytidosperma penicillatum Mary P. Wells 1981-8-2 s.n. Sonoma The Sea Ranch Comment
  UC905115  Sagina decumbens subsp. occidentalis Milo S. Baker 1947-4-25 11703 Sonoma e. of football field Santa Rosa Jr. College Comment
  UC728605  Sagittaria latifolia Milo S. Baker 1945-7-18 11119 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC290676  Salix Peter Rubtzoff 1973-10-10 7337 Sonoma Salmon Creek, 0.25 miles south of Freestone. Comment
  POM209562  Salix babylonica W. A. Setchell 1934-3-17 s.n. Sonoma Valley Ford Road. 6 miles from Petaluma. Comment
  CAS-BOT-BC103086  Salix bonplandiana Peter Rubtzoff 1961-8-24 4700 Sonoma Fife Creek Marsh, along Fife Creek Comment
  CAS-BOT-BC103089  Salix bonplandiana Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7838 Sonoma Kenwood Marsh Comment
  RSA534507  Salix exigua Peter Rubtzoff 1966-4-30 5698 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 mile from Llano Road. Comment
  CAS-BOT-BC290707  Salix gooddingii Peter Rubtzoff 1955-4-9 1770 Sonoma Forestville Marsh. Comment
  SEINET10393028  Salix laevigata A. A. Heller 1902-4-18 5329 Sonoma On Russian River, near Windsor. Comment
  UC482065  Salix lasiandra subsp. lasiandra Baker, Ball, Bracelin, and Crum 1931-5-9 347 Sonoma ca. 2 km. e. bodega Bay Comment
  UC482325  Salix lasiandra subsp. lasiandra C. R. Ball and H. E. Parks 1931-2-17 21 Sonoma 1 mi. s. Santa Rosa (Santa Rosa Creek); Santa Rosa Creek Comment
  CAS-BOT-BC128054  Salix lasiandra var. lasiandra Peter Rubtzoff 1962-5-5 4806 Sonoma Fife Creek Marsh, open bank of Fife Creek - Sonoma County Marshes Comment
  CAS-BOT-BC107095  Salix lasiolepis Peter Rubtzoff 1952-6-15 1263 Sonoma Fitch Mtn. Grove, near Healdsburg. Bank of Russian River Comment
  HSC19993  Salix lasiolepis R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1340 Sonoma Along Sulphur Creek, 7 mi. W of Big Geysers Comment
  RSA534506  Salix lasiolepis Peter Rubtzoff, T. J. Crovello 1964-9-3 5497 Sonoma Brooks Gulch Marsh. Comment
  UC1042520  Salix lasiolepis Peter Rubtzoff 1951-9-2 714 Sonoma marshy opening s Upper Marsh (near Forestville); Pitkin Marsh Comment
  UC453100  Salix lasiolepis W. A. Setchell 1931-7-31 18 Sonoma Bodega Bay; bottom of small canyon Comment
  UC482062  Salix lasiolepis Baker, Ball, Bracelin, and Crum 1931-5-9 345 Sonoma about 2 km e Bodega Bay (creek bed) Comment
  CAS-BOT-BC107355  Salix lasiolepis var. bigelovii Alice Eastwood 1915-6-30 s.n. Sonoma Bodega Comment
  UC424814  Salix scouleriana Milo S. Baker 1930-2-28 3882 a Sonoma w. of Occidental (along grade to Coleman Valley and along hwy. w. of Occidental down grade toward Graton) Comment
  UC524788  Salix scouleriana W. A. Setchell 1934-7-10 6 Sonoma Coast Hwy. n. of Fort Ross Comment
  LA208908  Salix scouleriana Milo S. Baker; March 1933 7565 Sonoma at foot of O'Farrel Hill on Bodega Hwy Comment
  CAS-BOT-BC128911  Salix sitchensis A. A. Heller 1902-3-12 5044 Sonoma Sonoma Creek, foot of Mt. Hood Comment
  CAS-BOT-BC128912  Salix sitchensis A. A. Heller 1902-3-12 5044 Sonoma Sonoma Creek, foot of Mt. Hood Comment
  UC1173578  Salix sitchensis Joseph P. Tracy 1935-8-18 14743 Sonoma w. of Knight's Valley (Mayacamas Creek); Mayacamas Creek 152 Comment
  UCD111891  Salix sitchensis Ball; Bracelin, Parks, and Parks 1931-4-21 36 Sonoma Maacama Creek, 25 km. northwest of Calistoga. Comment
  RSA177919  Salvia sonomensis Robert F. Thorne 1965-4-20 34368 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  UC1010756  Salvia sonomensis Peter H. Raven 1954-2-27 6429 Sonoma n side Hooker Creek; Hoods Peak Range 609 Comment
  SEINET12320779  Salvia sonomensis W. Knight, Knight, I. 1981-1 3973 Sonoma 3.1mi up Cavedale Road from jct of state route #12 Comment
  CAS-BOT-BC223344  Sanicula bipinnatifida Alice Griffin 1922-4-1 s.n. Sonoma El Verano Comment
  UC480611  Sanicula bipinnatifida Carl Meyer 1928-3-3 317 Sonoma Santa Rosa Comment
  JEPS77263  Sanicula bipinnatifida Robert M. Lloyd 1963-4-24 2400 Sonoma 16.5 mi from State Hwy (on road to Oakdale) 274 Comment
  RSA178020  Sanicula crassicaulis R. F. Thorne 1965-4-19 34313 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  UC1123195  Sanicula laciniata B. O. Schreiber 1938-2-27 2465 Sonoma 2 mi nw of Mark West Springs 121 Comment
  CAS-BOT-BC328137  Santolina chamaecyparissus Peter Rubtzoff 1952-5-31 1129 Sonoma Upper Marsh in the west, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC251243  Saponaria Peter Rubtzoff 1955-9-10 2127 Sonoma Guerneville Marsh. Comment
  UCD166461  Saponaria Peter Rubtzoff 1955-8-7 2028 Sonoma Guerneville Marsh. Comment
  UCD166486  Saponaria Peter Rubtzoff 1965-9-5 5634 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  UC71997  Saxifraga californica Milo S. Baker 1898-3-26 682 Sonoma Santa Rosa Comment
  POM117235  Saxifraga mertensiana Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UCD102936  Saxifraga mertensiana Rimo Bacigalupi 1948-3-6 2854 Sonoma One mile west of Skaggs Springs. Comment
  UC456049  Scabiosa atropurpurea I. J. Condit 1908-8-13 Sonoma Sebastopol Comment
  UC1123203  Scandix pecten-veneris H. S. Yates 1934-4-21 3819 Sonoma near Monte Rio 60 Comment
  UC21366  Scandix pecten-veneris Michener and Bioletti May 1892 Sonoma Shellville Comment
  RSA789039  Scandix pecten-veneris Carrie A. Herd 1982-3-30 30 Sonoma Rohnert Park State University, Sonoma next to bicycle path between Rancho Cotate High School and Sonoma State University. Comment
  CAS-BOT-BC283144  Schedonorus arundinaceus Mary P. Wells 1981-7-2 s.n. Sonoma Unit 35A, near Leeward Road, The Sea Ranch Comment
  CAS-BOT-BC111630  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4580 Sonoma Bodega Harbor Marsh; saline part. Comment
  RSA540067  Schoenoplectus californicus Peter Rubtzoff 1966-8-18 5790 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol Comment
  RSA0015642  Schoenoplectus maritimus Peter Rubtzoff 1963-8-17 5221 Sonoma Salt marsh near Petaluma River just east of Petaluma. Comment
  RSA0020332  Schoenoplectus maritimus Peter Rubtzoff 1961-9-20 4750 Sonoma Bodega Harbor Marsh. Comment
  NY663862  Schoenoplectus mucronatus P. Rubtzoff 1979-7-15 9290 Sonoma Knights Valley. Pond at east side of Ida Clayton Road just north of its junction with Hwy. 128. Comment
  UC56352  Scirpus americanus J. Burtt Davy 1897-9-19 4056 Sonoma Petaluma Petaluma (salt-marsh) Comment
  CAS-BOT-BC111105  Scirpus microcarpus Peter Rubtzoff 1951-6-10 207 Sonoma A marshy opening south of the Upper Marsh Comment
  RSA135352  Scoliopus bigelovii Volney Rattan 1880 Sonoma Duncans Mill. Comment
  SEINET12058065  Scoliopus bigelovii F. H. Utech 1988-3-2 88 -011 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  SEINET12058073  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -004 Sonoma ca 0.3 mi WNW of Camp Meeker on Bohemian Road along floodplain of Dutch Bill Creek 50 Comment
  RSA54039  Scribneria bolanderi J. T. Howell 1948-4-18 24209 Sonoma Hills east of Agua Caliente. Comment
  UC972188  Scribneria bolanderi Milo S. Baker 1952-3-20 12396 Sonoma about 1/4 mi n of Caliente (e side of Highway 12); Highway 12 Comment
  UCR248718  Scrophularia californica Peter Rubtzoff 1962-10-23 5122 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  SEINET12332454  Scrophularia californica F. H. Utech 1988-1 88 -204 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  UCD167316  Scutellaria James Neilson 1977-6-7 3908 Sonoma Mayacmas Mountains, about 1/3 mi south east Lunar Point. (Location information obtained from Neilson 3911 which indicated that Lunar Point is west of Locke Cabin. Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD160919  Scutellaria californica James A. Neilson Jr. 1975-7-8 3382 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  CAS-BOT-BC361363  Scutellaria tuberosa Greg de Nevers 1997-4-16 10933 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  UC733655  Sedum radiatum Dan Axelrod 1931-7-10 2 Sonoma on Fort Ross Road 3 mi n Cazadero (Ward Creek); , n of Cazadero Comment
  CAS-BOT-BC64095  Sedum radiatum subsp. radiatum C. F. Leitholdt 1893-6-1 s.n. Sonoma Sonoma Mt. Comment
  CAS-BOT-BC63939  Sedum spathulifolium J. Clausen 1935-5-24 1079 Sonoma Adobe Canyon at Sonoma Creek, the first ravine abouve Kenwood Springs. Comment
  OBI59736  Selaginella wallacei S. F. Blake 1927-8-28 10351 Sonoma Near Petrified Forest, near Santa Rosa Comment
  CAS-BOT-BC363428  Senecio aronicoides G. DeNevers 1981-4-25 817 Sonoma Pepperwood Ranch. Along Creek that runs past chicken and goat pens, hillside, near main Pepperwood entrance Comment
  CAS-BOT-BC363762  Senecio integerrimus F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  JEPS37084  Senecio minimus W. L. Jepson 1931-7-19 15954 Sonoma between Russian River mouth and Occidental Comment
  SJSU14233  Senecio minimus C. W. Sharsmith 1989-5-14 9090 Sonoma Salt Point State Park c. 10 mi NW of Fort Ross Comment
  RSA247448  Senecio sylvaticus Peter Rubtzoff 1969-8-14 6135 Sonoma Coleman Marsh. Comment
  SEINET9327115  Senecio vulgaris John Nelson, Wnek, Richard 2000-3-7 20942 Sonoma On open gravelly ground next to driveway at Fern Grove Cottages; W side of Guerneville. AC Moore Herbarium (USCH) Univ of S. Carolina Comment
  CAS-BOT-BC80319  Sequoia sempervirens A. A. Heller; H. E. Brown 1902-3-16 5080 Sonoma Russian River, Near Trenton Comment
  CAS-BOT-BC80320  Sequoia sempervirens Dr. Louise Taber 1960-6-1 s.n. Sonoma Villa Grande, 1 mi. n. of Monte Rio (at locality known as Patterson Point.) Comment
  CAS-BOT-BC80323  Sequoia sempervirens F. G. Krauss 1893-11-1 s.n. Sonoma Knights [Canon] Canyon Comment
  CAS-BOT-BC80324  Sequoia sempervirens J. W. Congdon 1880-2-1 s.n. Sonoma Near Santa Rosa Comment
  LA16918  Sequoia sempervirens C. B. Wolf; E. R. Johnson 1934-10-13 6179 Sonoma Log Cabin Ranch inland from Gualala 304 Comment
  YM-YOSE15452  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 miles South of Santa Rosa in Bennet Valley Comment
  CAS-BOT-BC376434  Setaria Greg de Nevers 1996-9-22 10877 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Mark West Creek at Leslie Creek. 400 Comment
  CAS-BOT-BC371430  Sherardia arvensis Greg de Nevers 1997-4-17 10948 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC290630  Sidalcea Peter Rubtzoff 1976-5-30 8578 Sonoma East side of Highway 12, ca. 0.75 mi. south of Kenwood (0.9 miles south of Warm Springs Road junction). Comment
  CAS-BOT-BC290640  Sidalcea Peter Rubtzoff 1971-6-5 6509 Sonoma Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  SBBG4709  Sidalcea H. and M. Dearing 1939-5-14 3346 Sonoma near Healdsburg Comment
  UC608489  Sidalcea diploscypha Beryl O. Schreiber 1934-5-14 1110 Sonoma near Fitch Mountain (Healdsburg); , near Fitch Mountain Comment
  SEINET7042576  Sidalcea malviflora subsp. laciniata A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  RSA87253  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 s.n. Sonoma Kenwood Marsh about 1/4 mile west of Kenwood Comment
  UC1137921  Silene californica H. S. Yates 1934-4-22 3863 Sonoma near Petrified Forest; Calistoga Quad., near Petrified Forest Comment
  UC1541415  Silene californica H. E. and S. T. Parks 1930-5-10 840 Sonoma Knights Valley 152 Comment
  CAS-BOT-BC392495  Silene gallica G. DeNevers 1981-5-9 1064 Sonoma Pepperwood Ranch; Along the road at the aluminum gate above the Strebel Homestead. Comment
  UCD166206  Sisymbrium officinale Peter Rubtzoff 1969-8-29 6169 Sonoma Willow Creek Marsh. Comment
  UCD160117  Sisyrinchium James A. Neilson Jr. 1973-6-3 3040 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CHSC34405  Sisyrinchium bellum Jeffrey D. Prouty 1979-4-11 216 Sonoma CA. 7 mi. n of Santa Rosa. Mark West Springs Road, ca. 300 yards n of juct. with Michelle Way. 137 Comment
  CHSC78104  Sisyrinchium bellum David Cheetham 1998-6-26 27 Sonoma 125-150 ft. elevation. I street extension. 38 Comment
  SEINET7096766  Sisyrinchium bellum A. G. Vestal 1955-5-7 s.n. Sonoma On Jonive Road. Ca. 4.6 miles west of Sebastipol. NAD27, 38? deg. 22' 48ao, -122?_ 54' 01ao (converted to WGS84 decimal degrees) UTM Zone 10, 508701mE, 4247764mN. Comment
  HSC13912  Sisyrinchium bellum R. F. Good 1962-4-20 3 Sonoma 2 mi. W of Petaluma on D St. Extension toward Pt. Reyes, Sonoma Mt. Coast Range 46 Comment
  RSA227220  Sisyrinchium californicum Peter Rubtzoff 1964-6-3 5341 Sonoma Bodega Bay Marsh. Comment
  SEINET3876315  Sisyrinchium californicum James Faro 1962-4-22 27 Sonoma Ocean Cove Ranch, about 4 miles north of Fort Ross on Highway 1.; 0 Comment
  UC672674  Sisyrinchium californicum H. L. Mason 1928-4-8 4284 Sonoma Fort Ross Comment
  SEINET3887843  Smilacina racemosa James Faro 1962-4-20 24 Sonoma About 5 miles North of Geurneville on the Old Cazadero Rd.; 0 Comment
  UC3881  Smilacina stellata Maclean Sonoma banks near Geysers Comment
  CAS-BOT-BC164681  Solanaceae Peter Rubtzoff 1951-9-3 741 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  CAS-BOT-BC164712  Solanum Peter Rubtzoff 1956-9-16 2929 Sonoma Vacation Beach, near Guerneville. Comment
  UCD165324  Solanum Peter Rubtzoff 1973-8-21 7245 Sonoma Sonoma Creek bottom near Aqua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC164419  Solanum Peter Rubtzoff 1971-8-9 6634 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC164687  Solanum Peter Rubtzoff 1951-8-5 594 Sonoma Mirabel Park, 1.5 miles north of Forestville. Comment
  UCR279860  Solanum americanum Peter Rubtzoff 1965-8-22 5612 Sonoma North Coast Ranges, Russian River, Forest Hills 5.5 miles east of Guerneville 9 Comment
  SEINET6185639  Solanum nigrum Unknown 1970-8-21 s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC164711  Solanum umbelliferum Peter Rubtzoff 1960-5-16 4358 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC156865  Solanum umbelliferum M. S. Baker 1929-1-2 3401 b Sonoma North side Mill Creek, along trail from Cooper's Ranch to Cypress Grove Comment
  CAS-BOT-BC344874  Solidago Peter Rubtzoff 1961-9-6 4745 Sonoma 2 miles northeast of Freestone. Comment
  SEINET11808818  Solidago californica W. Knight, Knight, I.; Knight, T.; Edwards, S. W. 1985-1 6357 Sonoma Pine Flat Road 305 Comment
  RSA0062825  Solidago occidentalis Greg de Nevers 1989-8-28 9096 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Skovie. 100 Comment
  CAS-BOT-BC365259  Solidago velutina subsp. californica Peter Rubtzoff 1951-9-15 749 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC173686  Soliva sessilis Peter Rubtzoff 1974-5-18 7433 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173844  Soliva sessilis Peter Rubtzoff 1969-6-22 6101 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164029  Sonchus Peter Rubtzoff 1955-8-20 2062 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC164034  Sonchus Peter Rubtzoff 1958-8-9 3844 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UCD94845  Sparganium emersum Malcolm A. Knobs; S. Galen Smith 1949-8-1 1109 Sonoma 2 miles E of Stewart's Point on road to Geyserville. Comment
  JEPS32223  Sparganium eurycarpum var. eurycarpum F. T. Bioletti Jun 1893 Sonoma Kenwood Comment
  UC1224629  Spartium junceum J. H. Thomas 1964-6-28 10439 Sonoma near Petrified Forest between Calistoga and Santa Rosa Comment
  CAS-BOT-BC390046  Spergula arvensis Peter Rubtzoff 1952-3-23 880 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  CAS-BOT-BC390049  Spergula arvensis Ella Dales Cantelow 1940-4-20 3446 Sonoma N. of Ft. Ross. Hy I Comment
  CAS-BOT-BC390051  Spergula arvensis Walter Knight; Irja Knight 1963-12-25 432 Sonoma Magnolia & Marshall Aves. Comment
  CAS-BOT-BC390975  Spergularia marina G. B. Rossbach; R. P. Rossbach 1938-5-27 630 Sonoma Bodega Bay Comment
  RSA0025194  Spiranthes Peter Rubtzoff 1969-6-27 6103 Sonoma Vernal pool, 6.5 mi northeast of Penngrove, on Lichan Road. 427 Comment
  UC1222182  Spiranthes porrifolia Joseph P. Tracy 1950-5-24 18687 B Sonoma In field where the Knights Valley Road enters Alexander Valley (and leaves Muyacamas Creek). Comment
  UCD139040  Spiranthes romanzoffiana Mary M. Hektner 1974-7-10 144 -A Sonoma Unit 35-B Owner' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC502056  Stachys Peter Rubtzoff 1965-10-10 5658 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC502059  Stachys Peter Rubtzoff 1971-9-3 6691 Sonoma SE border of Spring Creek Reservoir area Comment
  CAS-BOT-BC361392  Stachys albens Greg de Nevers 1993-8-7 10482 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa E of barn 400 Comment
  RSA227237  Stachys chamissonis Peter Rubtzoff 1962-8-22 5048 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC361391  Stachys stricta Greg de Nevers 1993-8-8 10487 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa at Upper Skovie Spring (below Rd. T) 400 Comment
  RSA800606  Stellaria Peter Rubtzoff 1967-8-22 5852 Sonoma SE of Lower Salmon Creek Marsh Comment
  CAS-BOT-BC394958  Stellaria media Walter Knight; Irja Knight 1963-8-13 274 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC405135  Stellaria nitens Greg de Nevers 1993-3-24 10333 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In Weimar Canyon. 304 Comment
  UC1394178  Stephanomeria elata L. D. Gottlieb 1966-8-5 66115 Sonoma 0.5 mi e junction with Cavedale Road (on Triniti Road) 548 Comment
  UC1492715  Streptanthus barbiger Freed W. Hoffman 1948-6-1 2334 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UC956504  Streptanthus barbiger Freed W. Hoffman 1948-6-1 2334 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UCD72522  Streptanthus brachiatus Sharon Strauss 2007-6-28 s. n. Sonoma End of Pine Flat Road at Calpine 'The Geysers.' Up fire road 0.1 mile from parking area at gate. 973 Comment
  CAS-BOT-BC87230  Streptanthus glandulosus subsp. glandulosus Anna F. Rodda 1929-5-6 s.n. Sonoma Geyserville. 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
  CAS-BOT-BC87234  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-4 6178 Sonoma Santa Rosa Canyon, north of Mount Hood. Comment
  UC1492782  Streptanthus glandulosus subsp. hoffmanii Freed W. Hoffman 1947-4-10 1056 Sonoma near hot springs; North Coast Ranges, Big Geysers Comment
  UC70399  Streptanthus glandulosus subsp. secundus Milo S. Baker 1899-6-28 Sonoma near Duncan's Mills; Russian River Comment
  CAS-BOT-BC87289  Streptanthus glandulosus subsp. secundus Milo S. Baker 1932-5-8 5916 Sonoma Salt Point, 5 miles north of Fort Ross. Comment
  UC1492784  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-27 3363 Sonoma near Porter Creek; North Coast Ranges, Fred McMurray Ranch Comment
  UC673192  Streptanthus glandulosus subsp. sonomensis Lincoln Constance and Reed C. Rollins 1942-5-10 2863 Sonoma 4 mi n Geyserville; North Coast Ranges 60 Comment
  CAS-BOT-BC87302  Streptanthus glandulosus subsp. sonomensis G. DeNevers 1981-6-15 1512 Sonoma Pepperwood Ranch. 1st road cut on Franz Valley Road. Comment
  UC1292744  Streptanthus morrisonii Freed W. Hoffman 1950-6-17 3377 Sonoma Layton Mine, Austin Creek Comment
  UCD167021  Streptanthus morrisonii James Neilson 1981-7-1 4046 Sonoma Mayacmas Mountains. Abril Ridge. (Abril Ridge assumed to be on Abril property which, based on other Neilson collections, includes T11N R9W Sect. 15. Exact location unknown, coordinates estimated by label maker.) Comment
  UCD168052  Streptanthus morrisonii James Neilson 1981-5-15 4031 Sonoma Mayacmas Mountains, Shell Well Site E. Bear Ridge. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  NY185750  Streptanthus morrisonii subsp. hirtiflorus F. W. Hoffman 1948-6-17 2344 Sonoma North Coast Ranges; above Dorr's Cabin, headwaters of East Austin Creek Comment
  UC1292738  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1950-6-17 3380 Sonoma Layton Mine, Austin Creek Comment
  UC1292742  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1947-3-6 1053 Sonoma Gilliam Creek, tributary of East Austin Creek North Coast Ranges Comment
  UC956605  Streptanthus tortuosus Freed W. Hoffman 1948-9-19 2374 Sonoma n-s ridge on Big Geysers rd from Healdsburg about 1 mi w The Geysers; North Coast Ranges Comment
  RSA800658  Stuckenia pectinata Peter Rubtzoff 1970-8-5 6296 Sonoma Five miles north of Sears Point. Comment
  CAS-BOT-BC540809  Symphoricarpos Peter Rubtzoff 1958-7-19 3760 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC540813  Symphoricarpos Peter Rubtzoff 1970-6-14 6259 Sonoma Marsh on River Road, about 3 miles west of Fulton. Comment
  CAS-BOT-BC269710  Symphoricarpos mollis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54012 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  SBBG54474  Symphyotrichum chilense L. R. Abrams -Aug-1907 Sonoma Sebastopol Comment
  CAS-BOT-BC97829  Symphyotrichum chilense L. R. Abrams 1907-8-1 s.n. Sonoma Sebastopol Comment
  CAS-BOT-BC97832  Symphyotrichum chilense Walter Knight; Irja Knight 1963-9-26 116 Sonoma ca. 3 mi. from San Antonio Rd. on I. St. Ext. Comment
  CAS-BOT-BC98566  Symphyotrichum lentum F. G. Krauss 1893-10-8 s.n. Sonoma Mountains, Krauss Ranch Comment
  UC29833  Symphyotrichum subspicatum Harley P. Chandler 1900-5-25 698 Sonoma Bodega Bay Comment
  UCD86177  Taeniatherum caput-medusae G. F. Hrusa; R. Gross 1999-6-12 15078 Sonoma Foote Ranch, corner of Ida Clayton Rd and Hwy 128, Knights Valley. Comment
  CDA19953  Taeniatherum caput-medusae G. Bjork 2002-7-17 PDR P 092669 Sonoma North Coast Ranges; Calistoga road at Alpine Rd. 0 Comment
  CAS-BOT-BC376986  Taraxacum officinale Peter Rubtzoff 1952-3-23 877 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  UC1084375  Taraxacum officinale G. Thomas Robbins 1937-3-27 48 Sonoma Santa Rosa Comment
  UCD166140  Taraxia ovata Peter Rubtzoff 1969-5-24 6059 Sonoma Vernal pool, 6.5 miles northeast of Penngrove, on Lichan Road. 427 Comment
  UCD107047  Taraxia ovata M. Wiesendanger 1927-5-5 707 Sonoma location unknown. Comment
  RSA789623  Taxus brevifolia var. polychaeta Richard W. Spjut, Peter Baye 2010-6-21 16710 Sonoma Along Wheatfield Fork of Gualala River just south of junction with Fuller Creek, and north of junction with Haupt Creek and Steward Pt-Skaggs Springs Road. 55 Comment
  CAS-BOT-BC447459  Tellima grandiflora Dorothy Scherer 1997-5-6 100 Sonoma Lower Fort Ross Cr, north side, Fort Ross State Historic Park 7 Comment
  CAS-BOT-BC399884  Thalictrum polycarpum Peter Rubtzoff 1959-6-13 4140 Sonoma Willow Creek Marsh Comment
  POM150511  Thalictrum polycarpum A. A. Heller, H. E. Brown 1902-4-18 s.n. Sonoma Windsor. Comment
  CAS-BOT-BC268101  Thermopsis Peter Rubtzoff 1962-6-8 4886 Sonoma Bennett Mountain Lake. Comment
  RSA52687  Thermopsis californica var. californica I. L. Wiggins 1949-4-30 12058 Sonoma Roadside 6.8 miles east of Santa Rosa on road to Calistoga Comment
  CAS-BOT-BC66807  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10934 Sonoma Sonoma Creek Canyon. Comment
  UC857532  Thysanocarpus curvipes L. Koch 1938-3-24 65 Sonoma near Kenwood (Los Alamos Canyon (near the quarry)); Los Alamos Canyon, near Kenwood Comment
  CAS-BOT-BC66810  Thysanocarpus curvipes John Thomas Howell 1934-3-26 11793 Sonoma Knight Valley. Comment
  CAS-BOT-BC66813  Thysanocarpus curvipes Karl H. Rechinger; J. T. Howell 1953-4-12 s.n. Sonoma Hills north of Sonoma. Comment
  CAS-BOT-BC66814  Thysanocarpus curvipes Karl H. Rechinger; J. T. Howell 1953-4-12 s.n. Sonoma Hills north of Sonoma. Comment
  SEINET11996226  Thysanocarpus curvipes H. K. Wagnon 1989-1 1852 Sonoma Spring Lake County Park, Santa Rosa 67 Comment
  RSA0039329  Thysanocarpus curvipes var. curvipes John Thomas Howell 1933-4-2 10936 Sonoma Sonoma Creek Canyon. Comment
  CDA25262  Thysanocarpus radians T. C. Fuller 1977-4-21 20198 Sonoma Church of Christ property, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  RSA0049967  Thysanocarpus radians 1931-4-2 6041 Sonoma Boyes Springs. Comment
  JEPS23930  Tiarella trifoliata var. unifoliata unknown 1877-1 Sonoma Guerneville Comment
  UC420446  Tiarella trifoliata var. unifoliata Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  UC27667  Tonella tenella F. T. Bioletti 1893-4-24 Sonoma Adobe Canyon Comment
  SBBG34159  Torreya californica L. M. Srivastava 1957-11-1 22 Sonoma Hwy 1, ca. 100 yards S of Fort Ross 30 Comment
  UCD112403  Toxicoscordion Christopher Mallek 2008-5-2 HC1- 1 Sonoma Hooker Canyon. 590 Comment
  OBI49194  Tragopogon porrifolius Sonoma 1935-5-13 9268 Sonoma 3 mi W Santa Rosa on Sebastopol rd Comment
  CAS-BOT-BC519551  Triantha occidentalis subsp. occidentalis Peter Rubtzoff 1951-7-28 566 Sonoma Sonoma Comment
  CAS-BOT-BC519552  Triantha occidentalis subsp. occidentalis Peter Rubtzoff 1951-7-14 466 Sonoma Sonoma Comment
  RSA135372  Trichostema lanceolatum Volney Rattan 1877-6-25 s.n. Sonoma Cloverdale. Comment
  RSA107423  Trichostema laxum L. S. Rose 1955-7-11 55111 Sonoma 2 mi. E. of Occidental. 244 Comment
  SEINET11995244  Trientalis latifolia F. H. Utech 1988-1 88 -207 Sonoma 6 mi W of Coleman Valley Road on Willow Creek Road, along Willow Creek 40 Comment
  CAS-BOT-BC173626  Trifolium Peter Rubtzoff 1974-5-19 7441 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC173629  Trifolium Peter Rubtzoff 1974-5-18 7430 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  JEPS101720  Trifolium albopurpureum var. dichotomum Dean W. Taylor 1994-5-4 14214 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  UC726770  Trifolium albopurpureum var. dichotomum A. A. Heller 1940-5-6 15590 Sonoma near Petrified Forest (roadside bank) Comment
  CDA15995  Trifolium angustifolium G. F. Hrusa, M. Gillogly 2000-7-26 15675 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Comment
  UC1076192  Trifolium barbigerum Herbert L. Mason 1934-4-28 8095 Sonoma Hwy betw Healdsburg and Santa Rosa Comment
  SEINET12166393  Trifolium campestre H. K. Wagnon 1989-1 1891 Sonoma Jack London State Park Comment
  CAS-BOT-BC368062  Trifolium ciliolatum Greg de Nevers 1998-5-26 11260 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  SEINET7042676  Trifolium ciliolatum A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UC1106199  Trifolium depauperatum var. depauperatum Peter H. Raven 1950-4-6 1607 Sonoma Rincon Ridge Comment
  UC16482  Trifolium depauperatum var. depauperatum Edw. L. Greene 1892-4-23 Sonoma Comment
  UCD108545  Trifolium depauperatum var. truncatum R. Tofsrud 1951-5-27 s.n. Sonoma Daken's place near Mark West Springs. Comment
  SEINET12147992  Trifolium fucatum Unknown 1936-1 13370 Sonoma Near Healdsburg Comment
  UCD147005  Trifolium glomeratum Robert E. Preston 2011-4-28 2850 Sonoma Sonoma, in vacant lot N of MacArthur St, between 4th St and Hayes St. 21 Comment
  UCD150142  Trifolium gracilentum Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1. 43 Comment
  UCD165150  Trifolium gracilentum Peter Rubtzoff 1974-5-18 7428 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  JEPS46058  Trifolium gracilentum var. gracilentum Eleanor Armstrong 1933-4-15 714 Sonoma Bodega Hill 18 Comment
  UCD165136  Trifolium hydrophilum Peter Rubtzoff 1974-5-18 7420 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD111235  Trifolium incarnatum Allen Hahus 1978-4-22 18 Sonoma 0.25 mile west of Jonive Road on Highway 12. Comment
  SEINET7067237  Trifolium macraei A. G. Vestal 1947-5-13 s.n. Sonoma Base of dunes, Bodega Head. Coordinate datum: NAD27. UTM Zone 10, 505861mE, 4250832mN. Comment
  UCD111309  Trifolium macraei Mary M. Hektner 1976-5-10 255 Sonoma Along ocean bluff below Sea Ranch Association Office; Unit 36 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS128259  Trifolium microcephalum Roger Raiche 2000-4-20 040 .00 Sonoma The Cedars. Gateway Parcel at Christi Camp. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128366  Trifolium microcephalum Roger Raiche 2000-4-2 016 .00 Sonoma The Cedars. Bearpen Creek watershed (CalWater # 1114.120002). Comment
  UCD165137  Trifolium microdon Peter Rubtzoff 1974-5-18 7421 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD109175  Trifolium microdon R. Tofsrud 1951-5-20 s.n. Sonoma Huichica School near Sonoma. Comment
  RSA244728  Trifolium variegatum var. major Peter Rubtzoff 1969-5-3 6023 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UC70390  Trifolium variegatum var. variegatum Milo S. Baker 1898-5-7 587 Sonoma near Glen Ellen Comment
  UCD33092  Trifolium willdenovii Beecher Crampton 1966-5-10 7722 Sonoma Sonoma County, ca. 2 miles west of Fulton along River Road. Comment
  CAS-BOT-BC451982  Triglochin striata Peter Rubtzoff 1973-9-15 7328 Sonoma Lower Salmon Creek Marsh. Slough just east of Hwy. 1. Comment
  CAS-BOT-BC520853  Trillium albidum Greg de Nevers 1993-4-6 10361 Sonoma Pepperwood Ranch Natural Preserve: 3450 Franz Valley Road 304 Comment
  CAS-BOT-BC519100  Trillium chloropetalum var. chloropetalum Greg de Nevers 1993-3-24 10332 Sonoma Wimar Canyon, 3450 Franz Valley, Pepperwood Ranch Natural Preserve 304 Comment
  SEINET12050391  Trillium ovatum F. H. Utech 1988-1 88 -008 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  SD130528  Triphysaria pusilla F. Almeda, G. DeNevers 1981-3-30 4890 Sonoma Pepperwood Ranch, SE facing slopes just west of the Redwood Canyon Comment
  JEPS73311  Triphysaria versicolor subsp. faucibarbata Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 750 Sonoma 1 mi w of Two Rock Junction Comment
  JEPS75301  Triphysaria versicolor subsp. faucibarbata John E. Moeur 1971-4-17 4 Sonoma along Rainville Road 8 mi nw Petaluma Comment
  UC1334875  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-24 432 Sonoma on State Highway #128, 15 mi nw Calistoga Comment
  UC1348907  Triphysaria versicolor subsp. faucibarbata Robert F. Thorne 1965-4-19 34308 Sonoma Guerneville Hwy 1 mi e of Laguna Road ca 4 mi w Santa Rosa 45 Comment
  UC535096  Triphysaria versicolor subsp. faucibarbata H. E. Parks 1930-5-9 631 Sonoma Knights Valley Comment
  SEINET13748164  Triphysaria versicolor subsp. faucibarbata W. Roderick 1967-5-6 s. n. Sonoma 3 mi SE of Petaluma 15 Comment
  JEPS15322  Triphysaria versicolor subsp. versicolor H. S. Yates 1934-4-21 3793 Sonoma near Bodega; Sebastopol Quad., near Bodega Comment
  CAS-BOT-BC200104  Trisetum canescens G. DeNevers 1981-6-18 1576 Sonoma W arm of Garrison Canyon Comment
  UCD36683  Trisetum canescens Beecher Crampton 1955-6-17 2931 Sonoma Sonoma County, 3.3 miles west of Forestville, along State Highway 12. Comment
  UCD93498  Trisetum canescens Beecher Crampton 1955-6-17 2950 Sonoma 4.5 miles S of Cazadero. Comment
  CAS-BOT-BC200097  Trisetum canescens G. DeNevers 1981-5-30 1350 Sonoma On N side of Studio Road at base of hill, near the green Gate Comment
  UC1023609  Trisetum canescens Virginia Bufford 1936-5-20 312 Sonoma about 5 mi above Mark West (Mark West Rd) Comment
  UC1222814  Triteleia hyacinthina Joseph P. Tracy 1950-5-24 18686 Sonoma where the Knight's Valley Road enters Alexander Valley and leaves Mayacamas Creek; , Alexander Valley Comment
  CAS-BOT-BC522368  Triteleia hyacinthina H. C. Cantelow 1936-5-3 s.n. Sonoma Between Shellville and El Verano Comment
  SEINET7067244  Triteleia laxa A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1 and east of Ocean Cove. Coordinate datum: NAD27. Comment
  UC16921  Ulex europaeus Harley P. Chandler 1900-5-25 685 Sonoma Bodega Comment
  CAS-BOT-BC91281  Umbellularia californica Walter Knight; Irja Knight 1963-9-15 272 Sonoma Los Alamos Road. Santa Rosa. Comment
  CDA15846  Umbellularia californica G. F. Hrusa, G. L. Stebbins 1993-10-3 11462 Sonoma Sugarloaf Ridge State Park. Trail to Bald Mountain. Midway. 518 Comment
  OBI20362  Umbellularia californica David Morse 1972-7-29 3 Sonoma One mi NE of Cloverdale, on hwy 128 91 Comment
  CDA7733  Uropappus lindleyi D. G. Kelch 2007-5-13 7 .294 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  UCD158805  Uropappus lindleyi James A. Neilson Jr. 1974-3-27 2940 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC403974  Urtica dioica subsp. gracilis Peter Rubtzoff 1954-8-2 1624 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC403991  Urtica dioica subsp. gracilis Marcus E. Jones 1882-7-17 3483 Sonoma Duncan's Mills Comment
  CAS-BOT-BC403992  Urtica dioica subsp. gracilis Rimo Bacigalupi 1926-4-30 1400 Sonoma Cazadero Comment
  UC1010428  Urtica dioica subsp. gracilis Leo Koch 1940-4-16 9544 Sonoma Highway between Salmon Creek and Wright's Beach Comment
  UCR105446  Urtica dioica subsp. holosericea Peter Rubtzoff 1973-9-9 7311 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC404224  Urtica dioica subsp. holosericea Peter Rubtzoff 1958-8-17 3890 Sonoma Laguna de Santa Rosa sourtheast of Graton (near Guerneville Road) Comment
  UC1121134  Vaccinium ovatum E. Armstrong 1934-3-26 948 Sonoma Camp Meeker Sebastopol Quad. 91 Comment
  RSA240623  Vaccinium ovatum C. W. Tilforth, John Dourley 1973-7-18 907 Sonoma Occidental Rd. between Molino and Occidental, n.w. of Sebastopol. Comment
  SEINET12094128  Vancouveria planipetala F. H. Utech 1988-1 88 -187 Sonoma 0.15 mi SE from East Avenue junction with Bohemian Road on latter enroute to Occidental 140 Comment
  UCD166734  Verbascum blattaria Peter Rubtzoff 1955-7-17 1976 Sonoma Guerneville Marsh. Comment
  RSA731  Verbascum blattaria E. R. Johnson 1928-8-22 1113 Sonoma Cloverdale Comment
  CDA15997  Verbascum thapsus G. F. Hrusa, M. Gillogly 2000-7-26 15677 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Comment
  RSA201200  Verbascum virgatum Walter Knight, Pat Watters 1963-7-19 s.n. Sonoma Gravenstein Highway inersection with US 101 Freeway, Cotati. Comment
  UCR256103  Verbena Greg de Nevers 1992-7-25 10227 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  SJSU4770  Verbena litoralis W. A. Lordge 1963-11-2 21 Sonoma Fort Ross Comment
  CAS-BOT-BC157680  Veronica Peter Rubtzoff 1959-4-18 4025 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of the Guerneville road crossing. Comment
  CAS-BOT-BC376218  Veronica Greg de Nevers No date on label 10836 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  UCD166503  Veronica Peter Rubtzoff 1960-5-20 4397 Sonoma Laguna de Santa Rosa east of Graton (betw. Occidental and Guerneville roads). Comment
  RSA785447  Veronica Peter Rubtzoff 1969-6-14 6082 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  CAS-BOT-BC166807  Veronica americana Peter Rubtzoff 1958-6-1 3694 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CHSC22309  Veronica americana Robert A. Schlising; Lloy Thurman 1962-6-15 2313 Sonoma Along Stewarts Point Road, 2 mi E of Jct with Hwy 1 near Stewarts Point. California Coast Ranges. Comment
  JEPS27321  Veronica americana Eleanor Armstrong 1932-5-25 514 Sonoma 5 mi w of Graton (Schlackly Flat); Schlackly Flat 91 Comment
  UCD163999  Veronica americana Peter Rubtzoff 1977-9-4 9127 Sonoma Cunningham Marsh area, ca. 1 air mile west-southwest of Cunningham Station. Comment
  RSA786489  Veronica americana Peter Rubtzoff 1962-8-22 5049 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC371440  Veronica peregrina Greg de Nevers 1998-4-21 11159 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Franz Valley Road intersection with Mark West Springs Road 400 Comment
  UCD166123  Veronica persica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 mi. east of Guerneville. At 9981 Old River Road. 16 Comment
  UC353801  Veronica scutellata Milo S. Baker 1928-4-28 3006 a Sonoma Pitkin Swamp Comment
  RSA0021069  Veronica serpyllifolia Peter Rubtzoff 1971-5-8 6447 Sonoma Pitkin Marsh, near Forestville. Western border of the marsh near end of Templeman Road. Comment
  RSA128936  Vicia villosa J. T. Howell 1944-5-14 19483 Sonoma Chileno Valley Comment
  HSC3234  Vinca major F. Demostene 1966-4-4 17 Sonoma 1 mi. W of Healdsburg Comment
  UC1023467  Viola adunca Leo Koch 1939-4-8 496 Sonoma near Plantation; North Bay, Baxman Ranch Comment
  SEINET6176299  Viola adunca James Faro 1962-4-22 23 Sonoma Ocean Cove Ranch, about 4 miles north of Fort Ross on Highway 1.; 0 Comment
  UC1763296  Viola douglasii Milo S. Baker May 1906 5518 Sonoma near Melita (Santa Rosa Golf Links, Peach Flat) Comment
  UC1762374  Viola lobata Freed Hoffman 1951-4-27 3834 Sonoma Mt. St. Helena, along fire road Comment
  RSA80503  Viola lobata Milo S. Baker 1942-4-29 10189 Sonoma Spring Mt Road near summit. Near Napa -Sonoma county line. 457 Comment
Read comments
Jun 10 2012
  UCD110694  Viola ocellata Frederica Bowcutt 1996-5-22 2143 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 about 1.25 air miles SW of Red Mountain. Along Canyon Trail near lower elev trailhead. Just N of Sonoma Creek. Down slope of Adobe Canyon Road. 231 Comment
  UC337768  Viola sempervirens unknown Mar. 1888 Sonoma Redwoods near Healdsburg Comment
  UC1761984  Viola sempervirens Helen Von Grafen 1927-4-27 Sonoma Mill Creek Comment
  CAS-BOT-BC203123  Vitis californica D. E. Breedlove 1980-6-27 44768 Sonoma Pepperwood Ranch W of Knights Valley Comment
  HSC95746  Vitis californica C. Wistrom 1996-5-26 25 Sonoma 1601 Dry Creek Rd. 49 Comment
  POM136379  Vitis californica A. A. Heller 1902-6-24 5760 Sonoma Near Burke's Sanitarium Comment
  SD99424  Vitis californica Christopher Davidson 1977-6-20 6003 Sonoma Dry Cr. Rd, 7.2 mi. W of Geyserville, along Warm Spgs. Cr. 75 Comment
  CDA15738  Vitis vinifera G. F. Hrusa 1998-6-14 14590 Sonoma Cultivated Plants; on Foote Ranch. Immed. N of corner Ida Clayton Rd. & Hwy. 128, Knights Valley. Comment
  CAS-BOT-BC199895  Vulpia bromoides G. DeNevers; S. Kaza 1981-5-7 977 Sonoma 10510 Old Redwood Hwy. 2 mi NW of Windsor exit from 101, vacant lot by Healdsburg Rent-All Comment
  CAS-BOT-BC199904  Vulpia bromoides G. DeNevers 1981-6-8 1505 Sonoma In Pippindale Garden Comment
  HSC9911  Vulpia microstachys Leo Koch 1940-4-22 838 Sonoma At Geysers in Sulfur Creek Canyon. Comment
  CAS-BOT-BC184135  Vulpia microstachys var. microstachys Greg de Nevers 1987-6-1 8183 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  UCD94742  Vulpia myuros Beecher Crampton 1956-3-12 3221 Sonoma Italian-Swiss Colony Winery grape vineyards, Asti. Comment
  CAS-BOT-BC185829  Vulpia myuros subsp. megalura Peter Rubtzoff 1963-5-26 s.n. Sonoma Bennett Mtn. Lake Comment
  UC903742  Vulpia myuros var. hirsuta Milo S. Baker 1947-5-5 11725 Sonoma s slope Hood Mt. (above Baker ranch) 213 Comment
  UCD160300  Whipplea modesta James A. Neilson Jr. 1975-5-17 3195 Sonoma Robert Louis Stevenson State Park, Mt. St. Helena. (Exact location unknown. Elevation and coordinates estimated by label maker based on Neilson 3193.) 1165 Comment
  CAS-BOT-BC128703  Whipplea modesta Alice S. M. McKenzie 1977-5-8 s.n. Sonoma Seaview Rd. - coast between Russian and Gualala River 457 Comment
  UCR256277  Wolffiella lingulata Peter Rubtzoff 1963-9-1 5250 Sonoma North Coast Range, Bennett Mountain L