Search Results — 2000 specimen records retrieved (1212 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=SONOMA; Source=All;   
Map/download results:

BerkeleyMapper with layers and yellow flags

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(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.

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA0025771  Abronia latifolia E. A. Purer 1932-7-21 s.n. Sonoma Bodega Bay. Comment
  UCD14884  Abronia latifolia Chris Chan 1991-3-5 4 Sonoma California, Sonoma Co.; at the University of California Bodega Marine Lab; 33 Comment
  CAS-BOT-BC203225  Abutilon Peter Rubtzoff 1974-5-26 7497 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road Comment
  UC1562992  Acaena novae-zelandiae Melena Schneider 1990-8-16 Sonoma Salt Point State Park, both sides of Highway 1 near 1 mile marker 43.35. Comment
  UCD160514  Acaena novae-zelandiae Daniel Potter; T. Harrington, M. Harrington, P. Lash, T. Potter. 2013-10-24 702 Sonoma Salt Point State Park, along Highway 1 at mile marker 43.66. 53 Comment
  UCD136861  Acaena pinnatifida var. californica Javier Jauregui L.; Dan Potter 2013-6-28 1 Sonoma Santa Rosa. 7806 Bennett Valley Road. 210 Comment
  UCD84279  Acaena pinnatifida var. californica Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UC18123  Acer macrophyllum W. H. Brewer 1862-4-18 960 Sonoma near Sonoma; near Sonoma Comment
  JEPS42728  Acer negundo var. californicum J. B. Davy 1896-7-23 Sonoma Russian River below Guerneville; Russian River below Guerneville Comment
  UC971946  Acer negundo var. californicum Martha Meagher 1947-3-22 99 Sonoma county road one-half mi w Freezeout Creek (across Russian River from Duncan's Mills); Russina River, w of Freezeout Creek Comment
  SEINET11842967  Achillea borealis subsp. californica F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -228 Sonoma end of Stoetz Road 200 Comment
  JEPS79727  Achillea millefolium Edward Lee with W. A. Setchell 1936-6-7 2192 Sonoma Bohemian Grove Comment
  CAS-BOT-BC30089  Achillea millefolium Mary P. Wells 1982-8-21 125 Sonoma Salt Point State Park, south end of parking lot Comment
  CAS-BOT-BC29163  Achyrachaena mollis J. T. Howell 1931-4-2 6045 Sonoma Boyes Springs Comment
  UCD38482  Acmispon Beecher Crampton 1955-6-17 2967 Sonoma Fort Ross. Comment
  UCD128526  Adenocaulon bicolor K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC30279  Adenocaulon bicolor Volney Rattan 1877-6-25 s.n. Sonoma Cloverdale Comment
  JEPS128362  Adiantum aleuticum Roger Raiche 2000-5-28 122 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this is not the name on USGS topo sheets). Gualala River, Wheatfield Fork watershed. Comment
  JEPS97818  Adiantum aleuticum R. Raiche and K. Zadnik 1981-1-12 Sonoma Willow Creek Rd. Comment
  UC479340  Adiantum jordanii Marcus E. Jones, A. M. 1931-7-5 29165 Sonoma The Geysers Comment
  HSC945  Adiantum jordanii R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1333 Sonoma 1 mi. NW of Big Geysers Comment
  UCSC005106  Aesculus californica Lulu Waks 2006-10-15 16 Sonoma Bloomfield, Bloomfield Rd. to Sutton St. Private residence on Sutton St. Comment
  NY81  Agastache glaucifolia A. A. Heller 1902-6-28 5792 Sonoma Between Knight's Valley and Mark West Springs. Comment
  UCD160822  Agoseris grandiflora James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3374 Sonoma Section 10, along Geysers Road, ca. 1 mile west of the Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  UC29384  Agoseris retrorsa H. N. Bolander 1864-1 3956 Sonoma at Geysers Comment
  CAS-BOT-BC361409  Agrostis Greg de Nevers 1997-5-8 11993 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. On Oak Hill Ranch burned area 457 Comment
  RSA785754  Agrostis Peter Rubtzoff 1976-6-5 8584 Sonoma False Lake Meadow area, Annadel State Park. Comment
  RSA785933  Agrostis Peter Rubtzoff 1974-5-25 7453 Sonoma Upper Green Valley Marsh. Comment
  UCR244617  Agrostis Peter Rubtzoff 1967-8-22 5857 Sonoma Southeast of lower Salmon Creek Marsh 4 Comment
  UCD51834  Agrostis blasdalei Freed W. Hoffman 1943-5-16 2208 Sonoma Death Rock, Bodega Park, Sonoma Coast. Comment
  UCD51992  Agrostis densiflora Beecher Crampton 1957-7-11 4344 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north Salmon Creek. Comment
  CAS-BOT-BC127404  Agrostis elliottiana Catherine Best 1993-5-6 1413 Sonoma Pepperwood, growing in Weimar Meadow. Comment
  CAS-BOT-BC126962  Agrostis exarata G. DeNevers 1981-6-20 1590 Sonoma Pepperwood Ranch. Confluence of Mark West Creek and Leslie Creek. Along Leslie Creek bed. 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
  OBI22541  Agrostis exarata Robert F. Hoover 1966-7-17 9415 Sonoma Sausal Crk N of Alexander Valley Comment
  OBI22553  Agrostis exarata Robert F. Hoover 1966-7-17 9415 Sonoma Sausal Crk N of Alexander Valley Comment
  POM207133  Agrostis exarata A. A. Heller 1902-6-27 5779 Sonoma West of Windsor near Russian river. Comment
  UC1153924  Agrostis exarata Beecher Crampton 1957-7-22 4361 Sonoma along State Highway 1 8.0 mi n Stewart's Point Comment
  CAS-BOT-BC139558  Agrostis gigantea Mary P. Wells 1985-8-5 585 Sonoma Santa Rosa. Ducker Creek bed, Rincon Valley. Comment
  UC1146695  Agrostis hallii Freed W. Hoffman 1941-6-20 2093 Sonoma near Camp Meeker (Oregon Canyon); North Coast Ranges, Oregon Canyon Comment
  UCD36302  Agrostis hallii Beecher Crampton 1953-5-19 1298 Sonoma Sonoma County, 5 miles west of Calistoga, on Highway 128, at Napa Coutny line. Comment
  UCD52714  Agrostis hallii Beecher Crampton 1959-6-16 5382 Sonoma 1 mile E of Occidental. Comment
  UCD52723  Agrostis hallii Beecher Crampton 1957-7-11 4347 Sonoma slopes above Shell Beach, Sonoma Coast State Park, 7.4 miles north Salmon Creek. Comment
  RSA129611  Agrostis microphylla H. S. Yates 1937-5-30 6550 Sonoma 1/2 mile E of Occidental 91 Comment
  SBBG26362  Agrostis microphylla B. Crampton 1966-5-10 Sonoma 5.5 mi N of Sonoma. St Hwy 12 Comment
  CAS-BOT-BC139118  Agrostis oregonensis Peter Rubtzoff 1951-8-5 605 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC138913  Agrostis pallens Roxana S. Ferris; Laura Lorraine 1961-6-15 13568 Sonoma About 1/8 mile beyond County Dump. Comment
  CAS-BOT-BC138926  Agrostis pallens G. DeNevers 1981-6-20 1592 Sonoma Pepperwood Ranch. Confluence of Mark West Creek and Leslie Creek. Comment
  UCD144566  Agrostis pallens Frederica Bowcutt 1994-6-12 1856 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air milse N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  CAS-BOT-BC138596  Agrostis stolonifera Peter Rubtzoff 1951-7-8 388 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CDA28145  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Coast; 5 miles south of Stewart s ( Steward ) Point Comment
  UCD53463  Agrostis stolonifera P. B. Kennedy 1917-8-27 s.n. Sonoma Del Mar, in experimental field. Comment
  CAS-BOT-BC176185  Aira caryophyllea Peter Rubtzoff 1974-5-25 7459 Sonoma Upper Green Valley Marsh. Comment
  CDA36851  Aira caryophyllea CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  SEINET3127807  Aira caryophyllea Michener, Bioletti sn Sonoma S. Los Guilicos Comment
  CAS-BOT-BC138393  Aira caryophyllea var. capillaris K. Wagnon 1939-4-20 180 Sonoma About 2 miles west of Vine Hill School along road. Comment
  CAS-BOT-BC138217  Aira caryophyllea var. caryophyllea Alice Eastwood 1915-6-29 s.n. Sonoma Bodega Point. Comment
  CAS-BOT-BC138210  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1960-5-18 4372 Sonoma Bodega Head Marsh. Comment
  UC903759  Aira elegantissima Milo S. Baker 1947-5-7 11748 Sonoma above Baker Ranch (sw slope of mt.); Mt. Hood 213 Comment
  CAS-BOT-BC166765  Alisma lanceolatum Peter Rubtzoff 1966-7-4 s.n. Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  UCD55335  Alisma lanceolatum Ellen Dean 2006-6-28 3179 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. In southeast part of vineyard where a new reservoir is planned 169 Comment
  CAS-BOT-BC445332  Alisma lanceolatum Peter Rubtzoff 1959-6-27 4189 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Road crossing. Comment
  CAS-BOT-BC445335  Alisma lanceolatum Peter Rubtzoff 1954-7-17 1550 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC445340  Alisma lanceolatum Peter Rubtzoff 1954-8-12 1696 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC445347  Alisma lanceolatum Peter Rubtzoff 1962-9-9 5074 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC462380  Allium amplectens Milo S. Baker 1927-5-7 2124 b Sonoma Adobe Canon Comment
  CAS-BOT-BC462387  Allium amplectens R. C. Barneby 1954-4-30 11226 Sonoma S of Schellville 100 Comment
  RSA601311  Allium dichlamydeum David D. Keck, Jens Clausen 1935-6-15 3366 Sonoma 1 mile north of Salmon Creek Comment
  UCD150551  Allium dichlamydeum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-1 s.n. Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC474309  Allium unifolium Mark Okada 1975-5-25 s.n. Sonoma Springs Rd Comment
  CAS-BOT-BC474314  Allium unifolium G. DeNevers 1981-5-9 1073 Sonoma In the Oak Woodland Canyon between the two streams draining to the Redwood Canyon Comment
  CAS-BOT-BC478829  Allium vineale John Thomas Howell 1976-6-22 51809 Sonoma Sonoma Joe's Restaurant, Petaluma Comment
  CAS-BOT-BC251181  Alnus Peter Rubtzoff 1960-9-15 4549 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC169369  Alnus rubra Mary P. Wells 1984-7-20 394 A Sonoma E bank So. Fork Gualala River, The Sea Ranch (near Hot Spot) Comment
  CAS-BOT-BC169370  Alnus rubra Mary P. Wells 1984-8-9 448 Sonoma Public path through golf course to the sea, The Sea Ranch Comment
  POM106478  Alnus rubra Marcus E. Jones 1882-7-17 3484 Sonoma Duncan's Mills. Comment
  SEINET177062  Alnus rubra M. E. Jones 1882-7-17 3484 Sonoma Duncan's Mills Comment
  UCD166469  Alnus rubra Peter Rubtzoff 1960-6-11 4504 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC376271  Alopecurus pratensis Greg de Nevers 1996-4-18 10792 Sonoma Knights Valley, marsh at south end of valley at base of hills, on Bavarian Lion Ranch. Knight's Valley Marsh. Bavarian Lion Ranch, 450 ft. 91 Comment
  CAS-BOT-BC137902  Alopecurus saccatus Peter Rubtzoff 1969-5-24 6066 Sonoma Vernal pool 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  CAS-BOT-BC137905  Alopecurus saccatus Peter Rubtzoff 1968-6-20 5894 Sonoma 6.5 miles northeast of Penngrove on Lichan Road. 426 Comment
  CAS-BOT-BC540844  Amaranthus Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7843 Sonoma Kenwood Marsh Comment
  RSA234559  Amaranthus powellii Peter Rubtzoff 1956-9-14 2878 Sonoma Vacation Beach, near Guerneville. Banks of Russian River. Comment
  RSA234553  Amaranthus retroflexus Peter Rubtzoff 1971-8-31 6665 Sonoma Todd Road near Stony Point Road Comment
  CAS-BOT-BC44965  Ambrosia chamissonis Joanne Taylor 1941-7-13 8 Sonoma Bodega Head 30 Comment
  POM180627  Amelanchier pallida J. T. Howell 1930-6-8 5287 Sonoma 8.5 miles N of Bodega Bay Comment
  RSA385134  Ammophila arenaria Edith A. Purer 1932-7-24 16233 Sonoma near Bodega bay. Comment
  UC1146688  Ammophila arenaria Freed W. Hoffman 1941-6-22 2086 Sonoma North Coast Ranges, Sonoma Coast, Death Rock Beach Death Rock Beach; North Coast Ranges, Sonoma Coast, Death Rock Beach Comment
  CAS-BOT-BC162066  Amphibromus scabrivalvis Greg de Nevers 1996-6-5 10826 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road, about 10 miles north of Santa Rosa. In temporary pond on Weimar Flat. 121 Comment
  HSC42041  Amsinckia spectabilis S. Saufferer 1973-5-24 214 Sonoma Bodega Bay Comment
  UC1084536  Amsinckia spectabilis Peter Kamb Ray 1952-5-30 2298 s Sonoma Hill 108 between Horseshoe Cove and Mussel Point (n end Bodega Bay); Bodega Head 30 Comment
  UC1084547  Amsinckia spectabilis Peter Kamb 1952-5-30 2300 Sonoma n of Bodega Head (dunes between Bodega Harbor and the ocean) 6 Comment
  SEINET12519057  Amsinckia spectabilis Peter Kamb 1952-1 2298 Sonoma Hill 108 between Horseshoe Cove and Mussel Point, north end of Bodega Head 30 Comment
  SEINET11993493  Anagallis arvensis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -172 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 485 Comment
  UCD15058  Anagallis arvensis James Aronson 1977-4-15 19 Sonoma California, Sonoma Co.; 10.4 miles west of intersection with Dutcher Creek Road along Skaggs Springs Road; Comment
  UC1011020  Andropogon virginicus var. virginicus Virginia Bufford 1936-9-9 416 Sonoma Pitkin's Marsh; Pitkin's Marsh - Vine Hill District Comment
  HSC71420  Angelica californica J. M. DiTomaso 1980-7-8 1738 Sonoma Summit of road between Glen Ellen and Oakville 457 Comment
  POM188473  Angelica californica Marcus E. Jones 1931-7-5 29050 Sonoma West of Cloverdale. Comment
  UCD127216  Angelica californica J. M. Tucker 1951-6-26 2139 Sonoma Near summit of range, road from Glen Ellen to Oakville. Comment
  CAS-BOT-BC221434  Angelica hendersonii David D. Keck; J. Clausen 1935-7-15 3373 Sonoma 1 mi. north of Salmon Creek Comment
  UCD128891  Anisocarpus madioides F. Bowcutt; Jeff Kennedy, Jolie Henricks 1994-5-1 1758 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles northwest of Napa, 1.5 air miles northeast of Kenwood. In Adobe Canyon north of Sugarload Ridge along the Goodspeed Trail, 200 yards from the trail head on Adobe Canyon Road and just east of Bear Creek, 5 yards north of confluence with Sonoma Creek. 198 Comment
  CAS-BOT-BC173816  Anthemis cotula Peter Rubtzoff 1969-8-14 6133 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  CAS-BOT-BC173823  Anthemis cotula Peter Rubtzoff 1959-9-19 4279 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD148326  Anthemis cotula Peter Rubtzoff 1954-7-27 1566 Sonoma Guerneville Marsh. Comment
  RSA259578  Anthemis fuscata Thomas W. Nelson, James Nelson 1975-3-25 1751 Sonoma Asti, Growing as a weed in cultivated areas, vinyards Comment
  CAS-BOT-BC280660  Anthoxanthum occidentale Catherine Best 1985-2-10 1064 Sonoma About .5 miles north of Occidental on the road parallel to the Bohemian Hwy. 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
  RSA648061  Anthoxanthum odoratum Roos 1924-6-20 1524 Sonoma Between Santa Rosa and Sonoma. Comment
  UCR179374  Anthriscus caucalis Frederica Bowcutt 1994-6-12 1859 Sonoma Sugarloaf Ridge, About 50 air miles N of San Francisco, 10 miles east of Santa Rosa, 1.5 miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture 433 Comment
  RSA496671  Antirrhinum cornutum L. F. LaPre 1986-6-5 s.n. Sonoma Dorr Place, 4 miles up a private road from Manning's Flats in Austin Creek State Recreation Area, 6 mi. N. of Cazadero on upper Austin Creek. Comment
  UCR44914  Antirrhinum vexillocalyculatum L. F. LaPre 1986-6-5 s.n. Sonoma Dorr Place, 4 mi up a private road from Mannings Flats in Austin Creek State Recreation Area, 6 mi north of Cazadero on upper Austin Creek 207 Comment
  CHSC42269  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 329 Sonoma Healdsburg. On E side of Fitch Mt., just S of resort area on E. side. 45 Comment
  UC479120  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Marcus E. Jones, A. M. 1931-7-5 28810 Sonoma The Geysers Comment
  JEPS5285  Antirrhinum virga W. L. Jepson 1894-7-19 21300 Sonoma Mt. St. Helena Comment
  UC192719  Antirrhinum virga Michener and Bioletti May 1893 Sonoma Hood's Peak Comment
  RSA134224  Aphanes occidentalis Peter H. Raven, H. L. Mason 1957-3-23 10529 Sonoma Grassy hillside 1.1 miles S of Mendocino County line on State Hwy 128, N of Cloverdale Comment
  POM133220  Apiastrum angustifolium C. F. Baker 1892-1 s.n. Sonoma [Unspecified] Comment
  UC629783  Apocynum androsaemifolium Milo S. Baker 1939-5-19 9334 Sonoma Gravenstein Hwy. ca. 1 mi. s. of Sousa's Cornera Comment
  RSA0125531  Arabis blepharophylla A. A. Heller, H. E. Brown 1902-3-29 5178 Sonoma Bodega Bay. Comment
  UCD128215  Aralia californica K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC128616  Arbutus menziesii D. E. Breedlove 1980-6-27 44760 Sonoma Pepperwood Ranch W of Knights Valley Comment
  SEINET7258086  Arbutus menziesii L. Fallon 1939-1-2 s.n. Sonoma 15 miles west of Santa Rosa Comment
  RSA629208  Arctostaphylos Jon E. Keeley 1993-9-11 24792 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629211  Arctostaphylos Jon E. Keeley 1993-9-11 24779 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629226  Arctostaphylos Jon E. Keeley 1993-9-11 24796 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
  UC535017  Arctostaphylos H. F. Copeland 1933-3-18 A 14 Sonoma on College Ave. Hwy w Santa Rosa; Vine Hill region Comment
  UC535018  Arctostaphylos H. F. Copeland 1933-3-18 A 13 Sonoma on College Ave. Hwy near Santa Rosa; Vine Hill region Comment
  CAS-BOT-BC24089  Arctostaphylos bakeri John Thomas Howell 1934-2-22 11732 Sonoma 2 miles east of Occidental Comment
  UC549713  Arctostaphylos bakeri J. E. Adams 1935-3-1 1029 Sonoma 2 mi w Occidental Comment
  CDA38593  Arctostaphylos bakeri Jim Jokerst 1989-4-13 3095 Sonoma NE side of Hawson Grade Rd 0.4 mi N of its junction with Stoetz Rd., ca. 1 mi NE of Camp Meeker, N of Occidental, W of Santa Rosa. Comment
  RSA622700  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24703 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  UCD50475  Arctostaphylos bakeri subsp. bakeri Roman Gankin; W. R. Hildreth 1967-10-4 1075 Sonoma Harrison Grade Road, near summit, east of Occidental. Comment
  RSA622717  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24762 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA622722  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24769 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UCD55064  Arctostaphylos canescens subsp. canescens Ellen Dean; California Department of Forestry Personnel 2006-4-26 3002 Sonoma Top of Mt. St. Helena. 1319 Comment
  CAS-BOT-BC23927  Arctostaphylos canescens subsp. canescens B. A. Stein 1981-3-8 455 Sonoma Ida Clayton Rd. 1 mi. west of Lake Co. line at turnoff to trout farm. 762 Comment
  CAS-BOT-BC23890  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12895 Sonoma Rincon Ridge ne of Santa Rosa Comment
  UC1120078  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1576 Sonoma 3/4 mi sw County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  UC1309670  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1575 A Sonoma 3/4 mi sw County Farm; Santa Rosa Quadrangle, Rincon Ridge 152 Comment
  UC424810  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1930-2-21 3877 a Sonoma Rincon Ridge; ; Riveon Ridge Comment
  UC480593  Arctostaphylos canescens subsp. sonomensis Carl Meyer 1928-3-3 301 Sonoma Santa Rosa Comment
  SEINET11984865  Arctostaphylos canescens var. sonomensis R. Gankin, Hildreth, W. R.; Milam, K. 1965-1 517 Sonoma 0.2 mi on Rockridge Lane on Montecito Rd, on Sones Property, Rincon Ridge, Santa Rosa Comment
  SEINET11989213  Arctostaphylos canescens var. sonomensis W. Knight, Knight, I. 1982-1 4669 Sonoma Tilden Botanic Garden, Berkeley, originally from Sones property on Rincon Ridge, Montecito Ave near Comment
  CAS-BOT-BC23640  Arctostaphylos columbiana Mary P. Wells; Mary Rhyne; John Madison 1985-11-4 694 A Sonoma About half mile south of Gualala River Comment
  SEINET11984905  Arctostaphylos columbiana R. Gankin, Hildreth, W. R.; Milam, K. 1965-1 496 Sonoma 0.1 mi N of Timber Cove, E of CA 1 Comment
  CAS-BOT-BC24996  Arctostaphylos densiflora J. Clausen 1933-3-26 743 Sonoma Vine Hill Schoolhouse, 10 mi. W of Santa Rosa, along road. Comment
  CAS-BOT-BC27250  Arctostaphylos densiflora Milo Samuel Baker 1928-4-18 5045 Sonoma Near Vine Hill School House Comment
  SDSU1493  Arctostaphylos densiflora D. F. Howe 1963-5-22 3523 Sonoma Vine Hill Road, about 10 miles west of Santa Rosa. 152 Comment
  UC1084443  Arctostaphylos densiflora G. Thomas Robbins 1940-3-22 303 Sonoma ca 8.5 mi w Santa Rosa (apple orchard along Guerneville rd); Vine Hill region 45 Comment
  UC571086  Arctostaphylos densiflora H. L. Mason 1931-3-7 5806 Sonoma 12 mi w Santa Rosa; Vine Hill School Comment
  UCD50802  Arctostaphylos densiflora Roman Gankin 1957-11-1 247 Sonoma Vine Hill School Road, 0.1 mile east of juncture with Vine Hill Road. Comment
  UCSB23053  Arctostaphylos densiflora McMinn, Howard 1936-4-5 Sonoma Just west of Vine Hill School, 16 miles west of Santa Rosa Comment
  RSA96837  Arctostaphylos densiflora Percy C. Everett, E. K. Balls 1954-10-20 20383 Sonoma 2.1 mi. NE of Occidental on road to Graton and Hwy 12. 91 Comment
  RSA96838  Arctostaphylos densiflora Percy C. Everett, E. K. Balls 1954-10-20 20382 Sonoma 0.8 mi. NE of Occidental on road to Graton and Hwy 12. 182 Comment
  SEINET11989142  Arctostaphylos densiflora B. A. Stein 1981-1 444 Sonoma Vine Hill Rd, 0.25 mi N of Vine Hill School Rd 46 Comment
  SEINET11998358  Arctostaphylos densiflora W. Knight, Knight, I.; Wells, P. V. 1985-1 6380 Sonoma Vine Hill School Rd, CNPS Preserve 46 Comment
  CAS-BOT-BC23283  Arctostaphylos glandulosa subsp. cushingiana Milo S. Baker 1928-1-1 2588 b Sonoma Hood Mt., above Brown's cabin Comment
  CAS-BOT-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
  RSA631198  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24728 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 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-BC24406  Arctostaphylos manzanita Roger Raiche; Steve Edwards; Walter Knight; Irja Knight 1983-7-3 4753 Sonoma Populations samples from n. end of study area. The Cedars, near Cazadero. 274 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
  CDA37441  Arctostaphylos manzanita D. G. Kelch, T. McGregor 2010-8-22 10 .342 Sonoma Geyser Peak Rd. Comment
  HSC83403  Arctostaphylos manzanita D. L. Koutnik, Mary Barbercheck 1981-6-18 Sonoma Austin Creek State Recreation Area, ca. 4 mi. N of Guerneville 488 Comment
  RSA633058  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27486 Sonoma Stewarts Road ca. 10 km W of Geyserville. 420 Comment
  UCD36698  Arctostaphylos manzanita Beecher Crampton 1955-6-17 2978 Sonoma Sonoma County, 2.4 miles south of Monte Rio, road to Camp Meeker. Comment
  RSA202106  Arctostaphylos manzanita Freed W. Hoffman 1947-3-11 822 Sonoma Duvoul Creek, a branch of Dutch Bill Creek. Comment
  SEINET11984823  Arctostaphylos manzanita R. Gankin, Hildreth, W. R. 1967-1 1066 Sonoma Vine Hill School Rd, ca 0.5 mi E of Vine Hill Rd Comment
  SEINET11987348  Arctostaphylos manzanita W. Knight, Knight, I. 1981-1 3962 Sonoma 2.3 mi up Cavedale Road from junction of CA 12 Comment
  SEINET11990959  Arctostaphylos manzanita Unknown 1983-1 30499 C Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11990974  Arctostaphylos manzanita Unknown 1983-1 30491 M Sonoma nr fire road near confluence of Gilliam Creek & Schoolhouse Creek, East Austin Creek State Rec Area 122 Comment
  SEINET11990979  Arctostaphylos manzanita Unknown 1983-1 30476 Sonoma near Redwood Lake, East Austin Creek State Recreation Area 366 Comment
  SEINET11996224  Arctostaphylos manzanita J. T. Vale, Wagnon, K. 1989-1 s.n. Sonoma Cavedale Road 305 Comment
  SEINET11989697  Arctostaphylos manzanita subsp. bakeri W. Knight, Knight, I. 1982-1 4616 Sonoma 2.1 mi from Camp Meeker toward Monte Rio on Bohemian Highway Comment
  CAS-BOT-BC38913  Arctostaphylos manzanita subsp. elegans E. A. Goldman 1907-12-29 71 Sonoma Mt. St. Helena, southeast slope 1219 Comment
  SEINET11993368  Arctostaphylos manzanita subsp. glaucescens P. V. Wells, Knight, W.; Knight, I. 1986-1 5223 Sonoma next to Carlton Spridgeon's mailbox on Rockridge Lane, Rincon Ridge, Santa Rosa Comment
  CAS-BOT-BC38686  Arctostaphylos manzanita subsp. manzanita R. F. Hoover 1963-1-12 8548 Sonoma Trinity Road, Hoods Peak Range Comment
  CAS-BOT-BC38705  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4762 Sonoma The Cedars, Twitchell Ranch 243 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-BC38739  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1963-12-27 470 Sonoma Pine Flat Road Comment
  CAS-BOT-BC38741  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1964-11-15 788 Sonoma Hood's Peak, on road below Johnson Lake. Comment
  UC1388368  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-3-11 822 Sonoma creek is branch of Dutch Bill Creek North Coast Ranges, Duvoul Creek Comment
  UC726694  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1941-6-4 16161 Sonoma on the Gurneville Road about 2 mi n Graton Comment
  UC876428  Arctostaphylos manzanita subsp. manzanita Lewis S. Rose 1940-2-12 40005 Sonoma 2 mi e Santa Rosa; Rincon Ridge 60 Comment
  CAS-BOT-BC38678  Arctostaphylos manzanita subsp. manzanita Jacob Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4157 Sonoma From Strybing Arboretum, San Francisco, #78-161. Originally from Hood's Peak in Sonoma County. Comment
  UC909864  Arctostaphylos nummularia J. E. Adams 1934-3-28 742 Sonoma s McNamees Store Comment
  CAS-BOT-BC43881  Arctostaphylos stanfordiana Lewis S. Rose 1955-2-28 55008 Sonoma 2 mi. w. of Graton 121 Comment
  CAS-BOT-BC47342  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5765 Sonoma Rincon Ridge near Santa Rosa. Comment
  CDA12041  Arctostaphylos stanfordiana G. F. Hrusa 1990-1-2 7350 Sonoma North Coast Biodiversity Arena; NW slopes of Hogback Mtn. approx. 4 km. NE of Sonoma. Comment
  CDA954  Arctostaphylos stanfordiana D. G. Kelch 2002-4-1 2 .008 Sonoma Cavedale Rd., Glen Ellyn. Comment
  HSC7717  Arctostaphylos stanfordiana S. N. Wiemeyer 1962-1-28 4 Sonoma 3/4 mi. E of County Hospital along Chanate Rd. 122 Comment
  JEPS98844  Arctostaphylos stanfordiana unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  SEINET3164339  Arctostaphylos stanfordiana L. S. Rose 1940-2-12 40007 Sonoma Rincon Ridge, 2 mi. e. of Santa Rosa 61 Comment
  UC1602064  Arctostaphylos stanfordiana Katharine Brandegee Sonoma Mt. St. Helena Comment
  UC549546  Arctostaphylos stanfordiana J. E. Adams 1934-3-10 638 Sonoma Mt. St. Helena Comment
  UCD53851  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 692 Sonoma On Rincon Ridge; near end of Parker Hill Road; ca. 4 miles north of Santa Rosa. Comment
  CAS-BOT-BC43879  Arctostaphylos stanfordiana Milo S. Baker 1929-6-1 3571 Sonoma Near Vene Hill School House Comment
  JEPS95234  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  RSA178044  Arctostaphylos stanfordiana subsp. stanfordiana R. F. Thorne 1965-4-20 34375 Sonoma 4 mi. up Cavedale Rd., ca. 6 mi. N of Sonoma. 457 Comment
  SBBG28529  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A 11 Sonoma Spring Mtn Rd, ca. 8 mjiles E of Santa Rosa Comment
  RSA202120  Arctostaphylos stanfordiana subsp. stanfordiana Freed W. Hoffman 1947-4-13 782 Sonoma Magnesite Lodge, Gilliam creek, near Guerneville. Comment
  SEINET12524556 Image available Arctostaphylos stanfordiana subsp. stanfordiana C. M. Belshaw 1936-1 1565 Sonoma Vine hill. Sebastopol quadrangle. T. 7N. R. 9W. Comment
  UC549532  Arctostaphylos uva-ursi J. E. Adams 1934-6-9 823 Sonoma s McNamees Store Comment
  HSC100101  Arctostaphylos viscida J. P. Smith, & J. O. Sawyer 2010-4-26 12720 Sonoma 641 Comment
  HSC7741  Arctostaphylos viscida P. J. Zinke 1949-6-19 63 Sonoma Divide between Smith and Dry Creek 457 Comment
  SEINET11989194  Arctostaphylos viscida S. W. Edwards 1982-1 s.n. Sonoma The Cedars Ridge, N of Cazadero, NW of King Ridge Rd at source of Big Austin Creek Comment
  CAS-BOT-BC47465  Arctostaphylos viscida subsp. viscida John Thomas Howell 1933-4-2 10939 Sonoma Sonoma Creek Canyon Comment
  RSA262356  Armeria maritima subsp. californica Steven Yoder 1969-5-24 29 Sonoma 1 mile N of Bodega Marine Lab. 9 Comment
  UC445109  Armeria maritima subsp. californica Katharine Brandegee June 1905 Sonoma Bodega Comment
  UCR255653  Arnica discoidea Greg de Nevers 1997-4-24 10956 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  UC29614  Arnica discoidea J. Burtt Davy 1896-7-1 4130 Sonoma near, (ridge above Smith's Valley) Guerneville; Russian River, Smith's Valley Comment
  CAS-BOT-BC90494  Artemisia douglasiana Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  JEPS36962  Artemisia douglasiana W. L. Jepson 1931-7-19 15935 Sonoma Watson School Bodega 152 Comment
  CAS-BOT-BC90485  Artemisia douglasiana F. W. Peirson 1925-8-8 6342 Sonoma roadside, 6 miles south of Santa Rosa Comment
  RSA791570  Artemisia douglasiana Peter Rubtzoff 1973-8-31 7292 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC400606  Asarum caudatum Peter Rubtzoff 1951-11-24 839 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  NY318602  Asclepias purpurascens C. B. Towle 06 1874 Sonoma At summit to geysers, on road from Calistoga Comment
  CAS-BOT-BC68783  Aspidotis densa Roxana S. Ferris; Laura Lorraine 1961-6-14 13523 Sonoma Junction of Bittner Road with Joy Road between Occidental and Bodega Comment
  RSA164631  Aspidotis densa P. C. Everett 1963-11-21 24565 Sonoma Harrison Grade, northeast of Occidental. 76 Comment
  CAS-BOT-BC186819  Astragalus gambelianus G. DeNevers 1981-4-20 773 Sonoma Pippindale farm. On bench between Studio and the ridge top Comment
  CAS-BOT-BC186821  Astragalus gambelianus Helen D. Geis 1902-8-1 s.n. Sonoma Pluton Creek Bed Comment
  CAS-BOT-BC66149  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1952-5-31 1119 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66152  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1962-7-14 4996 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC17427  Athysanus pusillus Peter H. Raven 1950-4-6 1603 Sonoma Rincon Ridge. 304 Comment
  CAS-BOT-BC17428  Athysanus pusillus A. A. Heller; H. E. Brown 1902-3-24 5142 Sonoma Hills East of Santa Rosa. Comment
  CAS-BOT-BC290668  Atriplex Peter Rubtzoff 1958-9-20 3990 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  RSA0018574  Atriplex Peter Rubtzoff 1956-9-15 2898 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC176182  Avena Peter Rubtzoff 1972-5-25 6766 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC146138  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa Creek, east of Santa Rosa. Comment
  UCD56195  Avena barbata Eric S. Nagy 1990-5-18 9 Sonoma Bodega Bay. Bodega Head. Dune ridge W of harbor along road. W of marine lab dorms and E of lab. Comment
  CAS-BOT-BC154143  Baccharis douglasii Peter Rubtzoff 1955-9-24 2147 Sonoma Duncans Mills Marsh. Comment
  UCR30559  Baccharis glutinosa John C. Roos 1948-8-28 3959 Sonoma North Coast Ranges, near Healdsburg 31 Comment
  RSA94330  Barbarea orthoceras Peter Rubtzoff 1951-6-9 163 Sonoma Pitkin Marsh, near Forestville; Forest south of the Upper Marsh. Comment
  CAS-BOT-BC145834  Beckmannia syzigachne J. W. Congdon 1880-5-31 s.n. Sonoma Santa Rosa. Comment
  UCD56804  Beckmannia syzigachne H. S. Yates 1936-5-16 5620 Sonoma California Forest and Range Experiment Station. Near Green Valley School. 91 Comment
  UCD129544  Bellis perennis Mary M. Hektner 1975-4-29 189 Sonoma Sea Ranch, near State Highway 1. Comment
  RSA790983  Bidens cernua Peter Rubtzoff, Nancy Harrison, Edward Lee, Kenneth Stocking 1979-7-21 9293 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC290706  Bidens frondosa Peter Rubtzoff 1962-9-16 5090 Sonoma Vacation Beach, 1.5 miles below Guerneville along Russian River. Comment
  JEPS26041  Bidens frondosa Lewis S. Rose 1960-9-14 60092 Sonoma 2 mi e Graton; Laguna de Santa Rosa 15 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
  RSA0015635  Bidens frondosa Peter Rubtzoff 1958-8-17 3891 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi north of Guerneville Road). Comment
  RSA0015636  Bidens frondosa Peter Rubtzoff 1956-9-15 2905 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC290562  Bidens laevis Peter Rubtzoff 1962-12-1 5130 Sonoma Pitkin Marsh, near Forestville. Comment
  SEINET7249073  Bidens laevis Peter Rubtzoff 1962-1 5130 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC100254  Blennosperma bakeri John Thomas Howell 1949-4-6 25303 Sonoma Low field southwest of Sonoma. Type locality. Comment
  JEPS83485  Blennosperma bakeri Jack and Betty Guggolz 1986-3-14 856 Sonoma n of, w of Hwy 12, n side of Bonneau road Bonneau Comment
  NY31012  Blennosperma californicum C. H. Michener 04 1893 6238 Sonoma Kenwood Comment
  UC195943  Blennosperma nanum var. nanum I. J. Condit 1913-3-7 Sonoma Petaluma Comment
  CAS-BOT-BC105962  Blennosperma nanum var. nanum G. H. Mallory 1920-3-29 s.n. Sonoma Hills at east end of Sonoma Ave., Santa Rosa Comment
  UC1299661  Boechera breweri Freed W. Hoffman 1946-8-14 592 Sonoma Rocky Mountain North Coast Ranges Comment
  CAS-BOT-BC154973  Boisduvalia densiflora Peter Rubtzoff 1958-9-6 3976 Sonoma Laguna de Santa Rosa, N of Cunningham (near Todd Road). Comment
  RSA790900  Boisduvalia stricta Peter Rubtzoff 1954-7-27 1578 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC28176  Bolboschoenus fluviatilis Peter Rubtzoff 1958-7-5 3728 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road. Comment
  CAS-BOT-BC28225  Bolboschoenus fluviatilis Peter Rubtzoff 1958-5-31 3684 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road. Comment
  CAS-BOT-BC75483  Bolboschoenus glaucus Mary P. Wells 1987-5-20 s.n. Sonoma 0.6 mile north of Gravenstein Highway on Llano Road - under bridge. Comment
  CAS-BOT-BC322141  Bolboschoenus maritimus Peter Rubtzoff 1955-8-6 2021 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC500694  Bolboschoenus maritimus Peter Rubtzoff 1954-7-26 1557 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC290565  Bolboschoenus maritimus subsp. paludosus Peter Rubtzoff 1960-10-29 4579 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC31354  Bolboschoenus robustus Walter Knight; Irja Knight 1963-9-29 235 Sonoma Along Lakeville Highway under freeway overpass in salt water. Petaluma. Comment
  UCR255646  Boykinia elata Greg de Nevers 1997-9-22 11090 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  UC964743  Boykinia occidentalis R. F. Hoover 1942-7-6 5914 Sonoma canyon s Geysers; canyon s of the Geysers Comment
  RSA93383  Brachypodium distachyon J. T. Howell 1948-4-18 24214 Sonoma Hills east of Agua Caliente. Comment
  CAS-BOT-BC145654  Brachypodium phoenicoides Mary P. Wells 1981-8-2 s.n. Sonoma Between end of Dune Drift and the sea near the hedgerow. The Sea Ranch. Comment
  CAS-BOT-BC36652  Brassica oleracea Mary P. Wells 1989-4-3 977 Sonoma Santa Rosa. Rincon Valley. Streamside of fence east of Friends House. Comment
  CAS-BOT-BC36708  Brassica rapa Mary P. Wells 1984-5-16 s.n. Sonoma Santa Rosa. Rincon Valley. Friends House grounds. Comment
  CAS-BOT-BC376281  Brickellia californica Greg de Nevers 1992-6-26 10189 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  UC984866  Briza maxima L. Beane and Lois E. James 1949-5-16 1949 Sonoma about 3 mi s Cloverdale Comment
  UCD36535  Briza maxima Beecher Crampton 1954-4-26 1792 Sonoma Sonoma County, 2 miles north Geyserville, along U.S. Highway 101. Comment
  UCD57165  Briza maxima Gerry North 1993-4 15 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead. Less than 0.2 miles east of park entrance gate. 243 Comment
  UCR222353  Briza maxima George K. Helmkamp, E. A. Helmkamp 2010-6-4 16231 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
  CDA32955  Briza maxima D. Barbe & P. Hiatt 1979-5-1 Sonoma South of Asti; on Asti Road, 0.45 mile south of Washington School Road. 0 Comment
  SEINET10514367  Briza maxima Ira L. Wiggins, Roxana S. Ferris 1943-4-30 Wiggins 10165 Sonoma Roadside 1/2 mile south of Asti, along U.S. Highway 101. Comment
  UCD19912  Briza maxima C. H. Lamoureux; J. M. Tucker, J. McCaskill, and S. Armstrong 1957-4-7 1193 Sonoma 1 mile north of junction of Hwy 12 and Calistoga Rd., near Santa Rosa. 15 Comment
  CAS-BOT-BC145296  Briza minor Ira L. Wiggins 1949-4-30 12070 Sonoma Four miles west of Calistoga, just west of county line. Comment
  UC796668  Briza minor Ira L. Wiggins 1949-4-30 12070 Sonoma 4 mi w Calistoga (just w of county line) Comment
  JEPS79162  Brodiaea appendiculata Nancy Harrison 1980-5-16 2125 Sonoma directly s. of vineyard and Piner Elementary School (Piner and Fulton roads are north, west Santa Rosa); west Santa Rosa Comment
  JEPS7662  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-21 7622 Sonoma Windsor Comment
  UC768624  Brodiaea elegans subsp. elegans R. F. Hoover 1938-6-14 3606 Sonoma 2 mi se Healdsburg Comment
  CAS-BOT-BC484391  Brodiaea elegans subsp. elegans D. E. Breedlove 1980-6-27 44744 Sonoma Pepperwood Ranch west of Knights Valley Comment
  CAS-BOT-BC484400  Brodiaea elegans subsp. elegans Peter Rubtzoff 1958-7-5 3731 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC486543  Brodiaea elegans subsp. elegans G. DeNevers 1981-6-1 1427 Sonoma Pepperwood Ranch by the Pippindale Garden Comment
  JEPS82292  Brodiaea stellaris Roger Raiche 1983-7-4 30470 Sonoma slope s Gilliam Creek (below Redwood Lake, at convergence of several steep ravines); East Austin Creek Recreation Area 304 Comment
  UCD163100  Brodiaea stellaris Robert E. Preston 2014-5-17 2963 Sonoma 4.5 mi NNW of Cazadero. 190 Comment
  UCD139140  Brodiaea terrestris Mary M. Hektner; Cathy Hendel 1974-6-28 82 -A Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC486469  Brodiaea terrestris subsp. terrestris H. C. Cantelow 1936-5-3 1331 Sonoma Bet. Shellville and El Verano Comment
  CAS-BOT-BC486470  Brodiaea terrestris subsp. terrestris Catherine Best 1983-6-10 s.n. Sonoma Salt Point, on bluff above the ocean Comment
  CAS-BOT-BC486477  Brodiaea terrestris subsp. terrestris Peter Rubtzoff; Nancy Harrison 1976-6-18 8642 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC328121  Bromus Peter Rubtzoff 1964-5-31 5331 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg, along Russian River. Comment
  UCD58255  Bromus carinatus R. Tofsrud 1948-1 s.n. Sonoma Alexander Valley. Comment
  CAS-BOT-BC149084  Bromus carinatus var. carinatus David L. Morgan 1961-4-26 s.n. Sonoma Marshal - Petaluma road 5 miles west of junction of Wilson Hill Road. Comment
  UC1010991  Bromus carinatus var. maritimus Virginia Bufford 1936-5-1 170 Sonoma Bodega Canyon at Larkspur Rock Larkspur Rock; Bodega Canyon, Larkspur Rock Comment
  CAS-BOT-BC155666  Bromus diandrus John H. Thomas 1976-6-16 18335 Sonoma Southern Part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC155249  Bromus hordeaceus John H. Thomas 1976-6-16 18341 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  SEINET3923003  Bromus japonicus Fred W. Hoffman 1941-7-5 2079 Sonoma Forestville, CA.; 0 Comment
  JEPS128385  Bromus laevipes Roger Raiche 2000-5-4 064 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1146638  Bromus laevipes Freed W. Hoffman 1941-6-20 2102 Sonoma near Camp Meeker (North Coast Ranges, Oregon Canyon); North Coast Ranges, Oregon Canyon Comment
  UCD151079  Bromus laevipes James A. Neilson Jr. 1974-6-1 3007 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
  UCD36697  Bromus laevipes Beecher Crampton 1955-6-17 2977 Sonoma Sonoma County, 2.4 miles south of Monte Rio, road to Camp Meeker. 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
  UCD58929  Bromus laevipes Beecher Crampton 1953-5-19 1296 Sonoma 10 miles west of Calistoga. Hwy. 128. Comment
  UC121247  Bromus secalinus H. S. Nichols June 1890 Sonoma Healdsburg Comment
  SD38261  Cakile edentula var. edentula Edith A. Purer 1932-7-21 4040 Sonoma Bodega Bay Comment
  CAS-BOT-BC185403  Calamagrostis bolanderi Mary P. Wells 1981-8-2 s.n. Sonoma Hedgegate Road, The Sea Ranch. Comment
  UCD57037  Calamagrostis bolanderi P. B. Kennedy 1915-7-1 s.n. Sonoma Del Mar. Comment
  UCD57038  Calamagrostis bolanderi P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC185302  Calamagrostis koelerioides Roxana S. Ferris; Laura Lorraine 1961-6-15 13563 Sonoma Harrison Grade, 1.3 mile from junction with Green Valley Road. Comment
  RSA126853  Calamagrostis nutkaensis H. S. Yates 1937-5-30 6559 Sonoma two miles northeast of Freestone. 122 Comment
  UCD57515  Calamagrostis nutkaensis Chris Bowen 1974-6-2 146 Sonoma near State Highway 1, Sea Ranch, Unit 7 Owners' Map, near Whaler's Reach. 30 Comment
  CAS-BOT-BC185132  Calamagrostis nutkaensis Catherine Best 1984-6-11 973 -C Sonoma On a slope above the ocean at Goat Rock Park. Comment
  UCD160969  Calamagrostis ophitidis James A. Neilson Jr. 1975-7-8 3411 Sonoma Mayacmas Mountains. Socrates Mine Road, near summit. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC438600  Calandrinia ciliata Peter Rubtzoff 1953-5-16 1362 Sonoma Vacation Beach, near Guerneville. Bank of Russian River. 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-BC438611  Calandrinia ciliata Alice Eastwood; John Thomas Howell 1936-5-19 2498 Sonoma Santa Rosa Comment
  UC1300960  Calandrinia ciliata H. L. Mason 1963-2-24 Sonoma orchard of H. L. Mason Ranch Kenwood Comment
  HSC5219  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma just E of Sonoma Comment
  JEPS22749  Calendula arvensis Harry K. Roberts 1959-4-15 Sonoma in orchard at 1385 West College Ave, Santa Rosa Santa Rosa Comment
  JEPS22790  Calendula arvensis Milo S. Baker 1946-4-2 11306 Sonoma 1 mi s of El Verano (at a road junction, w of Sonoma Creek) Comment
  RSA201793  Calendula arvensis W. R. Russell 1967-3-28 s.n. Sonoma At roadside near cemetery at N end of town, Sonoma. Comment
Read comments
Dec 8 2015
  UC727779  Calendula arvensis Milo S. Baker 1946-4-2 11306 Sonoma a mi or so s of El Verano (along overflow channel just w of Sonoma Cr.) Comment
  CAS-BOT-BC273241  Calendula arvensis Rimo Bacigalupi 1946-2-1 s.n. Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCR249037  Callitriche Peter Rubtzoff 1972-6-29 6814 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC293676  Callitriche heterophylla Peter Rubtzoff 1973-7-24 7202 Sonoma Upper Green Valley Marsh. Comment
  UC1101513  Callitriche heterophylla var. bolanderi Malcolm A. Nobs 1949-8-1 1106 Sonoma 2 mi e Stewart's Point (on road to Geyserville) Comment
  CAS-BOT-BC293755  Callitriche palustris Peter Rubtzoff 1974-4-6 7351 Sonoma Kenwood Marsh. Comment
  UCR249053  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4607 Sonoma Upper Stemple Creek Marsh 21 Comment
  CAS-BOT-BC483278  Calochortus amabilis F. G. Krauss 1895-5-6 s.n. Sonoma Mountains near Franz Valley Comment
  CAS-BOT-BC483288  Calochortus amabilis James McMurphy 1909-5-29 s.n. Sonoma Canyon near Geyserville Comment
  CAS-BOT-BC492641  Calochortus luteus Volney Rattan 1885-5-9 s.n. Sonoma Sonoma Creek Comment
  UC3414  Calochortus luteus Ivan Tidestrom 1895-6-3 Sonoma Comment
  SJSU9953  Calochortus tolmiei F. L. Reynolds 1962-5-26 51 Sonoma Salt Point Ranch, 8 mi NW of Fort Ross Comment
  CAS-BOT-BC132636  Calochortus uniflorus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC270705  Calycadenia multiglandulosa Roxana S. Ferris; Laura Lorraine 1961-6-14 13548 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UC1876151  Calycadenia multiglandulosa Gerald D. Carr 1971-7-6 577 Sonoma Jct. of Facienda Lane and Occidental Rd. Comment
  UCD129847  Calycadenia pauciflora Gerald D. Carr 1972-9-11 731 Sonoma 1.0 mile west of Westside Road on Mill Creek Road, 2.5 miles southwest of Healdsburg. 106 Comment
  UCD129978  Calycadenia truncata G. F. Hrusa; T. D. Wilfred 1995-12-3 12482 Sonoma Foote Ranch Property at NW base of Mt. St. Helena. Immediately below west base of Chalk Mountain. 500 Comment
  CAS-BOT-BC272758  Calycadenia truncata subsp. truncata F. G. Krauss 1893-10-4 s.n. Sonoma 5 miles west of Calistoga Comment
  CAS-BOT-BC91009  Calycanthus occidentalis James McMurphy 1909-5-29 s.n. Sonoma Near the Geysers. Comment
  UC854800  Calycanthus occidentalis Eliz. Parsons Hawver 1915-6-3 Sonoma Skaggs Springs Comment
  UCR218740  Calycanthus occidentalis George K. Helmkamp, E. A. Helmkamp 2010-6-4 16228 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
  JEPS64301  Calypso bulbosa Docia Patchett 1917-3-29 Sonoma Cazadero Comment
  CAS-BOT-BC292509  Calystegia R. K. Brummitt; T. F. Daniel 1997-5-31 19617 Sonoma 10 km NE of Santa Rosa, Pepperwood Ranch Natural Preserve, 2 km N of Bechtel Cabin. 300 Comment
  JEPS88967  Calystegia collina subsp. collina Jack and Betty Guggolz 1988-6-13 945 Sonoma Pine Flat Road 9.2 mi from its junction with Highway 128; Comment
  UC1731250  Calystegia collina subsp. oxyphylla Dean W. Taylor 1997-5-7 15986 Sonoma The Cedars, headwaters Austin Creek, slope at head of drainage southward off hill 1904 North Coast Ranges 563 Comment
  CDA36847  Calystegia occidentalis subsp. fulcrata CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCD125693  Calystegia purpurata subsp. purpurata Frederica Bowcutt 1994-5-1 1749 Sonoma Sugarloaf Ridge State Park. About 40 air miles north of San Francisco; about 11 air miles E of Santa Rosa; about 2.5 air miles N of Kenwood. Adobe Canyon along Goodspeed Trail about 1/8 mile from trail head on Adobe Canyon Road. 213 Comment
  UCR255740  Calystegia purpurata subsp. purpurata Greg de Nevers 1993-5-9 10440 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 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
  SD73206  Calystegia purpurata subsp. saxicola Darley F. Howe 1969-5-28 4611 Sonoma 13.5 miles north of Jenner on Highway 1 Comment
  SEINET7075564  Camissonia ovata A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley. 38? deg. 24' 31" North Latitude, -122? deg. 37' 52" West Longitude. UTM Zone 10, 532220mE, 4251005mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  LA93755  Camissoniopsis cheiranthifolia David C. Fruchtenicht; 1965-5-1 54 Sonoma 60 yards from the sea, Marine Biological Station, Horseshoe Cove, Boedga Head 15 Comment
  CAS-BOT-BC160364  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Peter H. Raven 1963-4-28 18247 Sonoma Between town of Bodega Bay and Bodega Head Comment
  CAS-BOT-BC266418  Campanula californica Peter Rubtzoff 1967-8-28 5864 Sonoma SE of Lower Salmon Creek Marsh Comment
  JEPS81953  Campanula californica Rimo Bacigalupi 1967-8-30 9312 Sonoma se of Forestville (near e end of Templeman Road); Pitkin Marsh 45 Comment
  SEINET10463124  Campanula prenanthoides Michener 1892-7-4 MICHENER s.n. Sonoma SHAGG'S SPRINGS Comment
  CAS-BOT-BC37750  Cardamine californica R. H. Thompson 1880-4-1 s.n. Sonoma Healdsburg. Comment
  CAS-BOT-BC37763  Cardamine californica Alice Eastwood 1921-4-24 10387 Sonoma Santa Rosa. Comment
  RSA128603  Cardamine californica var. integrifolia P. H. Raven 1950-4-6 1558 Sonoma Cotati to Santa Rosa. 46 Comment
  RSA177977  Cardamine californica var. integrifolia R. F. Thorne 1965-4-19 34303 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  RSA63681  Cardamine californica var. integrifolia Milo S. Baker 1950-4-1 12155 Sonoma West side of Los Guilicos Val[ley] near old R.R. tracks. Comment
  UCD169979  Cardamine oligosperma G. F. Hrusa 1999-2-26 14925 Sonoma Foote Ranch, NW base of Mt. St. Helena, near corner of Hwy 128 and Ida Clayton Rd. 152 Comment
  CAS-BOT-BC38031  Cardamine oligosperma Peter Rubtzoff 1959-6-20 4160 Sonoma Willow Creek Marsh. Bank of Willow Creek. Comment
  POM144128  Cardamine oligosperma A. A. Heller, H. E. Brown 1902-3-14 5053 Sonoma Near Santa Rosa Comment
  CAS-BOT-BC172571  Carduus Peter Rubtzoff 1973-7-24 s.n. Sonoma Gran Valley Marsh. Comment
  CAS-BOT-BC173680  Carduus Peter Rubtzoff 1960-5-15 4327 Sonoma Fife Creek Marsh. Comment
  RSA790301  Carduus pycnocephalus Peter Rubtzoff 1962-6-1 4874 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC281764  Carduus pycnocephalus John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54683 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC281771  Carduus pycnocephalus Roxana S. Ferris; Laura Lorraine 1948-6-9 11658 Sonoma Franz Valley Rd about 0.75 mile from Mark West Rd Comment
  CAS-BOT-BC281795  Carduus tenuiflorus Catherine Best 1994-5-1 s.n. Sonoma Bodega Head Comment
  CAS-BOT-BC312704  Carex Peter Rubtzoff 1976-5-30 8558 Sonoma Kenwood Marsh. 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-BC18138  Carex athrostachya Peter Rubtzoff 1954-7-4 1532 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC18146  Carex athrostachya Peter Rubtzoff 1960-5-15 4325 Sonoma Fife Creek Marsh. Comment
  UCD112444  Carex athrostachya Peter Rubtzoff 1958-7-5 3734 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC19366  Carex barbarae J. W. Congdon 1880-5-17 s.n. Sonoma Sebastopol. Comment
  CAS-BOT-BC371452  Carex barbarae Peter Rubtzoff 1953-5-16 1360 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC422363  Carex barbarae Peter Rubtzoff 1958-5-4 3629 Sonoma Forestville Marsh. Comment
  CDA12902  Carex barbarae G. F. Hrusa, R. Gross, F. Luna 1996-3-29 12736 Sonoma North Coast Biodiversity Arena; Understory of Sequoia sempervirens grove at western terminus of Neeley Rd. approx. 2 m. S of Guerneville and 3 m. N of Bohemian Grove along Russian River. Comment
  CAS-BOT-BC310297  Carex barbarae Peter Rubtzoff 1970-6-14 s.n. Sonoma 3 miles west of Fulton on north side of River Road. Comment
  RSA0023067  Carex barbarae Peter Rubtzoff 1958-5-10 3655 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  SEINET7551510 Image available Carex barbarae Don Pendleton 1993-5-29 5297 Sonoma Westside Road, Russian River Valley, ca. 5 miles SW of Healdsburg. Comment
  CAS-BOT-BC18980  Carex densa John Thomas Howell; J. W. Stacey 1936-7-26 12665 Sonoma Occidental. Comment
  CAS-BOT-BC20477  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13019 Sonoma Sebastopol. Comment
  CAS-BOT-BC20478  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13020 Sonoma Sebastopol. Comment
  CAS-BOT-BC20510  Carex densa Peter Rubtzoff 1954-6-7 1488 Sonoma Sonoma County Marshes. Guerneville Marsh. Comment
  CAS-BOT-BC242636  Carex densa Peter Rubtzoff 1957-5-11 3329 Sonoma Occidental Marsh Comment
  UCD140258  Carex densa Frederica Bowcutt 1994-5-1 1785 Sonoma Sugarloaf Ridge State Park. About 40 air miles north of San Francisco. About 11 air miles east of Santa Rosa. About 1.5 air miles north of Kenwood. About 18 air miles northwest of Napa. In main campground. Ca. 150 yards south of Sonoma Creek; 1/4 mile NW of confluence with Rattlesnake Creek at toe of Sugarloaf Ridge. 350 Comment
  CAS-BOT-BC20492  Carex densa Catherine Best 1981-5-2 s.n. Sonoma Willow Creek Road about 6 miles west of Occidental. Comment
  CAS-BOT-BC20504  Carex densa Peter Rubtzoff 1958-7-19 3776 Sonoma Sonoma County Marshes. Laguna de Santa Rosa east of Sebastapol. Comment
  CAS-BOT-BC19901  Carex echinata subsp. phyllomanica Peter Rubtzoff 1951-6-10 195 Sonoma The Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC329291  Carex exsiccata Peter Rubtzoff 1954-7-4 1535 Sonoma Duncans Mills Marsh, upper portion of the marsh. Comment
  CAS-BOT-BC20136  Carex feta James D. Jokerst 1985-4-26 2273 Sonoma Near Caldwell Ranch. Comment
  SEINET7558589 Image available Carex feta Alice Eastwood, John Thomas Howell 1936-5-19 2525 Sonoma Near Asti. Comment
  UC904940  Carex globosa John Thomas Howell 1945-5-30 20913 Sonoma Vine Hill School Comment
  CAS-BOT-BC20442  Carex globosa Charles Piper Smith 1908-4-3 1391 Sonoma The Pacific Slope. Guerneville, 3 miles east along the road to Forestville. Comment
  SEINET10879720  Carex globosa Lewis S. Rose 1971-4-30 Rose 71026 Sonoma 3 mi E of Occidental. Serpentine Hills. 183 Comment
  CAS-BOT-BC28364  Carex gracilior Peter Rubtzoff 1958-5-10 3635 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road) Comment
  CAS-BOT-BC28371  Carex gracilior Gregory Clark de Nevers 1981-4-11 681 Sonoma In wet meadow S of 3 Tree Hill. Comment
  CAS-BOT-BC21904  Carex harfordii Peter Rubtzoff 1960-5-16 4355 Sonoma Duncan Mills Marsh. In upper portion of the marsh. Comment
  CAS-BOT-BC21910  Carex harfordii Peter Rubtzoff 1955-5-21 1857 Sonoma Forestville Marsh. North facing slope bordering the marsh in the south. Comment
  CAS-BOT-BC249315  Carex harfordii Peter Rubtzoff 1960-5-16 4351 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC320579  Carex harfordii Peter Rubtzoff 1962-6-1 4867 Sonoma Freestone Marsh. Comment
  UCR248919  Carex harfordii Peter Rubtzoff 1962-6-1 4865 Sonoma Freestone Marsh 79 Comment
  RSA0022420  Carex hassei Peter Rubtzoff 1963-7-6 5194 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  RSA0023074  Carex hendersonii Peter Rubtzoff 1960-5-16 4360 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC31171  Carex lemmonii John Thomas Howell 1957-6-13 32621 Sonoma Pitkin Marsh. Comment
  UCR249077  Carex leptopoda Peter Rubtzoff 1960-6-7 4459 Sonoma Austin Creek Marsh 15 Comment
  UC1508  Carex nudata H. N. Bolander Apr 1864 3812 Sonoma Mark West Creek Comment
  UC70453  Carex nudata Jos. Burtt Davy Jul 1896 Sonoma below Guerneville (along Russian River) Comment
  UCR249339  Carex nudata Peter Rubtzoff 1952-6-3 1176 Sonoma Fitch Mountain Grove, near Healdsburg, along the Russian River 61 Comment
  SEINET7569416 Image available Carex nudata John Thomas Howell 1933-4-2 10931 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC119309  Carex obnupta Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc, The Sea Ranch. Comment
  CAS-BOT-BC119314  Carex obnupta Peter Rubtzoff 1951-8-4 582 Sonoma Pitkin Marsh, near Forestville. S of the Upper Marsh. Comment
  CAS-BOT-BC328119  Carex obnupta Peter Rubtzoff 1970-10-3 6413 Sonoma Marsh off the west side of Hwy. 1, 0.7 miles southeast of Salmong Creek. Comment
  CAS-BOT-BC320468  Carex pachystachya Peter Rubtzoff 1964-5-20 5316 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC118941  Carex pellita John Thomas Howell; J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  UC826685  Carex pellita John Thomas Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  UCD140719  Carex pellita Mary M. Hektner 1976-8-27 268 -A Sonoma on land owned by Oceanic Properties, Sea Ranch, near State Highway 1. Comment
  UCR248937  Carex rostrata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville 38 Comment
  SJSU8861  Carex senta R. D. Demostene 1965-4-25 Sonoma creek bed 3.5 mi NW of Cloverdale on State Rte 128 144 Comment
  CAS-BOT-BC329282  Carex stipata Peter Rubtzoff 1960-5-22 4410 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville roads). Comment
  UCR248867  Carex stipata var. stipata Peter Rubtzoff 1955-5-14 1838 Sonoma Forestville Marsh 71 Comment
  UCR208531  Carex subbracteata Peter Rubtzoff 1959-6-13 4124 Sonoma Willow Creek Marsh 9 Comment
  UCR248925  Carex subbracteata Peter Rubtzoff 1955-5-14 1842 Sonoma Austin Creek Marsh 15 Comment
  SEINET7577060 Image available Carex subbracteata Andrew L. Hipp, Glen C. Clifton 1999-5-27 342 Sonoma Santa Rosa, west of city on Coleman Valley Road. 305 Comment
  CAS-BOT-BC329285  Carex tumulicola Peter Rubtzoff 1957-5-26 3368 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC350933  Carex tumulicola Peter Rubtzoff 1954-7-5 1541 Sonoma Guerneville Marsh. Comment
  UC767096  Carex tumulicola R. F. Hoover 1941-5-14 5077 Sonoma 3 mi s Monte Rio (on road to Camp Meeker) Comment
  UCD140940  Carex tumulicola Gerry North 1993-4 12 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Across road from Godspeed trailhead pullout. Shaded roadcut. 228 Comment
  CDA36813  Carthamus creticus D. B. Joley, W. J. Ferlatte 1976-1 24 Sonoma Petaluma Hill Rd. 0 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
  SEINET13331044 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
  UCD129938  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma ca. 1 mile west of Asti turn-off of the freeway, Hwy 101, Asti. Comment
  POM179718  Castilleja ambigua subsp. ambigua J. T. Howell 1930-6-8 5293 Sonoma 4 miles north of Bodega Bay. Comment
  JEPS128283  Castilleja applegatei subsp. martinii Roger Raiche 2005-4-22 011 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. 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
  UCSB5977  Castilleja foliolosa Keator, Glenn 1959-4-2 Sonoma 0.9 miles east on Cavedale road and 2.0 miles from Agua Caliente Comment
  CAS-BOT-BC243851  Castilleja latifolia Ella Dales Cantelow 1938-5-7 2412 Sonoma 5 mi. N of Bodega Comment
  UC1063396  Castilleja rubicundula subsp. lithospermoides H. S. Yates 1934-4-22 3840 Sonoma near Burke; Calistoga Quad. 60 Comment
  JEPS3607  Castilleja subinclusa subsp. franciscana Monroe Birdsey May 1951 Sonoma just e Bodega Bay Comment
  JEPS3672  Castilleja subinclusa subsp. franciscana C. R. Bell 1951-4-29 1103 Sonoma near Bodega; Larkspur Rock Comment
  CAS-BOT-BC241090  Castilleja uliginosa Hans Leschke 1945-5-30 s.n. Sonoma Pitkin Marsh Comment
  JEPS60455  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-29 6693 Sonoma 3.9 mi n Jenner (on Highway 1) Comment
  POM202854  Castilleja wightii J. T. Howell 1934-3-3 11735 Sonoma Bodega Bay. Comment
  CAS-BOT-BC195604  Catapodium rigidum Leo Koch 1940-5-19 964 Sonoma Wood residence, 349 Second Avenue, Santa Rosa Comment
  CAS-BOT-BC47798  Ceanothus John Thomas Howell 1935-5-5 12613 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC1071521  Ceanothus A. E. Wieslander 1939-3-18 873 Sonoma head of Hooker Canyon Sonoma Quad. Comment
  JEPS85897  Ceanothus confusus Jack and Betty Guggolz 1991-5-4 Sonoma found at several locations along the fire-break up the S side of Bradford Mountain, about a mile W of the Dry Creek Road 323 Comment
  OBI10272  Ceanothus confusus H. E. McMinn 1944-11-5 5449 Sonoma Olive orchard on Rincon Ridge Comment
  RSA21909  Ceanothus confusus J. T. Howell 1937-4-11 12908 Sonoma Sonoma Creek Canyon at M S Baker's. Comment
  UC1520698  Ceanothus confusus R. Raiche 1985-4-6 50178 Sonoma W of Healdsburg (ridge W side of Dry Creek Valley, and N of Dorman Canyon (N as far as Bradford Mt.)); Dry Creek Area Comment
  UC870630  Ceanothus confusus John Thomas Howell 1937-4-11 12897 Sonoma NE of Santa Rosa (Rincon Ridge) Comment
  CAS-BOT-BC48511  Ceanothus confusus W. Knight; I. Knight; Dr. Steve Edwards 1986-6-9 5445 Sonoma North Burma Trail, Annadel State Park 114 Comment
  CAS-BOT-BC49197  Ceanothus cuneatus Walter Knight; Irja Knight 1963-12-27 477 Sonoma Summit, Pine Flat Rd. Comment
  CAS-BOT-BC49198  Ceanothus cuneatus Walter Knight; Irja Knight 1963-8-23 190 Sonoma Joost Ranch, Calistoga Rd. Comment
  POM136668  Ceanothus cuneatus A. A. Heller 1902-3-12 9027 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  UC18322  Ceanothus foliosus State Survey 1862-4-18 984 Sonoma near Sonoma Comment
  UC73358  Ceanothus foliosus Milo S. Baker 25 Sonoma Santa Rosa to Forestville. Comment
  UCD160879  Ceanothus foliosus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3283 Sonoma Mayacmas Mountains, ca. 1/4 mile south of Caldwell Pines, ca. 3 1/2 miles west of Whispering Pines, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  RSA300966  Ceanothus foliosus var. vineatus D. C. Michener 1982-7-26 4118 Sonoma Vine Hill School road, 100' west of Vine Hill school, lot west of residence 6096; north road bank between vineyard and road Comment
  UC1280760  Ceanothus foliosus var. vineatus H. E. McMinn 1941-4-26 5320 Sonoma 9 mi s. Gurniville Comment
  CAS-BOT-BC50001  Ceanothus gloriosus John Thomas Howell 1935-5-5 12617 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  RSA63659  Ceanothus gloriosus subsp. porrectus Milo S. Baker 1950-08 12307 -a Sonoma Hope Valley just south of sumit above Coleman Ranch, near Kenwood Comment
  CAS-BOT-BC49953  Ceanothus gloriosus var. exaltatus J. Clausen 1933-3-26 742 Sonoma southern boundary of the Frey Brothers Ranch, about 10 miles west of Santa Rosa on the Santa Rosa-Graton Road Comment
  POM215713  Ceanothus gloriosus var. exaltatus Jens Clausen 1933-3-26 742 Sonoma Southern boundary of the Frey Brothers Ranch, about 10 miles west of Santa Rosa on the Santa Rosa-Graton Road (off hwy) Comment
  CAS-BOT-BC63739  Ceanothus griseus Alisa S. M. McKenzie 1981-1-31 11 Sonoma Kolmer Gulch, calif. State highway 1 at marker 34. Top of bank w. side of creek, n. side of road. Comment
  CAS-BOT-BC63741  Ceanothus griseus Walter Knight; Irja Knight 1964-2-28 565 Sonoma Ca. 6 mi. n. of Stewarts Point. Comment
  UC1198031  Ceanothus incanus Joseph P. Tracy 1935-7-7 14045 Sonoma near the Geysers 609 Comment
  UCD160873  Ceanothus integerrimus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3268 Sonoma Mayacmas Mountains, ca. 1/2 mile south of 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
  HSC18295  Ceanothus integerrimus R. N. Neuns 1950-5-17 111 Sonoma 4 mi E of the Geyers (Airline) 991 Comment
  UCD111985  Ceanothus integerrimus R. H. Neuns 1950-5-17 111 Sonoma 4 miles east of The Geysers (airline). 990 Comment
  CDA37445  Ceanothus integerrimus var. macrothyrsus D. G. Kelch, T. McGregor 2010-8-22 10 .343 Sonoma Geyser Peak Rd. Comment
  CAS-BOT-BC50647  Ceanothus jepsonii Elmer I. Applegate 1934-3-25 s.n. Sonoma Pine Flat, west slope of Mayacama Mountains Comment
  CAS-BOT-BC50648  Ceanothus jepsonii Robert F. Thorne 1965-4-19 34282 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental 182 Comment
  POM203618  Ceanothus jepsonii J. T. Howell 1933-4-2 10959 Sonoma 2 miles east of Occidental Comment
  UC1299548  Ceanothus jepsonii Freed W. Hoffman 1947-2-28 765 Sonoma near Guerneville (headwaters of Gilliam Creek); North Coast Ranges, headwaters of Gilliam Creek Comment
  SEINET12211093  Ceanothus jepsonii var. albiflorus I. Knight, Knightwedwards, S. 1986-1 5360 Sonoma Access from Healdsburg-Geysers Road 975 Comment
  CAS-BOT-BC51874  Ceanothus parryi F. T. Bioletti 1892-1-1 226 Sonoma unspecified Comment
  JEPS25143  Ceanothus parryi G. Thomas Robbins 1959-5-16 4013 Sonoma on Spring Mtn Road between Calistoga Road and Sonoma-Napa County line (along upper Mark West Creek, Mayacamas Mts.); Mayacamas Mts., along upper Mark West Creek 426 Comment
  UC334414  Ceanothus parryi unknown 1892-5-4 Sonoma near Guerneville; near Guerneville, Armstrong Park Comment
  CAS-BOT-BC53217  Ceanothus parryi Henry Trost 1927-4-1 s.n. Sonoma Fetters Springs Comment
  LA44965  Ceanothus prostratus Henry Reents; 1936-5-8 sn Sonoma Rincon Ridge, NE of Santa Rosa Comment
  CAS-BOT-BC53003  Ceanothus sonomensis John Thomas Howell 1935-5-5 12609 Sonoma Slopes of Triniti Mt., 2 miles e. of Glen Ellen Comment
  CAS-BOT-BC53034  Ceanothus sonomensis Walter Knight; Irja Knight 1964-1-30 521 Sonoma Hooker Canyon, Cavedale Road Comment
  CAS-BOT-BC83740  Ceanothus sonomensis D. O. Burge; Steven Kembel 2008-5-29 1002 b Sonoma Sonoma Mountains, Annadel State Park 330 Comment
  RSA753880  Ceanothus sonomensis Dylan O. Burge, C. Miller 2007-6-12 DOB 939 c Sonoma Mayacmas Mts., head of Hooker Canyon, roadside on Cavedale Road, 4.0 road miles (6.4 km) E of SR 12. 4.90 km 85 degrees (True) ENE of Glenn Ellen. 560 Comment
  UC580719  Ceanothus sonomensis C. M. Belshaw 1936-3-8 1581 Sonoma 3/4 mile north of Annandel, northwest of Kenwood 144 Comment
  UC618361  Ceanothus sonomensis John Thomas Howell 1935-5-5 12609 Sonoma Slopes of Trinity Mt. 2 miles E of Glen Ellen Comment
  UCR250220  Ceanothus sonomensis Peter Warner 2013-3-27 272 Sonoma Glen Oaks Ranch, c. 1 mi east of Glen Ellen, in northeast part of ranch 168 Comment
  CAS-BOT-BC32657  Ceanothus sonomensis Henry Reents 1936-5-23 s.n. Sonoma Youngman Canyon Comment
  UCSB25382  Ceanothus sonomensis McMinn, H. 1944-11-5 Sonoma Near old rock quarry about 1-2 miles from Kenwood highway as the Oakville road leads off Comment
  UCD112735  Ceanothus thyrsiflorus var. griseus Steven E. Smith 1977-5-14 25 Sonoma 3.8 mi. N. of Graton, W. side of Graton-Occidental Road. 5 Comment
  CAS-BOT-BC277159  Centaurea melitensis G. DeNevers 1981-5-15 1176 Sonoma Pepperwood Ranch. At base of first big left hand canyon off N arm of Garrison Canyon. Also on trail over Hansel's Driveway Comment
  CAS-BOT-BC277161  Centaurea melitensis Peter Rubtzoff 1952-6-10 1220 Sonoma Northeast and east slope of Fitch Mtn., near Healdsburg Comment
  NY444437  Centaurea solstitialis L. Abrams 1916-7-4 5794 Sonoma Road between Petrified Forest and Mark West Comment
  RSA662536  Centaurium floribundum J. C. Roos 1957-7-3 6652 Sonoma Healdsberg Comment
  SEINET12337137  Centaurium trichanthum Unknown 1986-1 60285 Sonoma at the Lac Co. line: Mayacamas Mts, Pine Mt fireroad, ca.1/2mi.N of Ida Clayton Rd 747 Comment
  UCD160839  Centromadia fitchii James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3482 Sonoma Section 10, ca. 1 mile west of the Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  CAS-BOT-BC288813  Centromadia fitchii James I. McMurphy 1917-9-15 s.n. Sonoma Litton Station Comment
  CAS-BOT-BC279397  Centromadia pungens subsp. pungens W. Knight; I. Knight 1984-8-26 5422 Sonoma Willow Creek Road 60 Comment
  CAS-BOT-BC251270  Cerastium Peter Rubtzoff 1954-8-13 1707 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC251309  Cerastium Peter Rubtzoff 1960-5-18 s.n. Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC384978  Cerastium arvense Catherine Best 1983-4-16 s.n. Sonoma Along the Coleman Valley Rd. about 5 miles West of Occidental Comment
  CDA36843  Cerastium glomeratum CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  CAS-BOT-BC388435  Cerastium glomeratum Catherine Best 1982-3-20 s.n. Sonoma On a flat area off Green Hill Rd. about 2 mi east of Occidental Comment
  CAS-BOT-BC388440  Cerastium glomeratum Ella Dales Cantelow 1940-4-20 3444 Sonoma N. of Ft. Ross, Hy 1 Comment
  UCD162158  Cercocarpus betuloides D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1512 Sonoma Hooker Creek watershed. 450 Comment
  SEINET11908935  Cercocarpus betuloides W. Knight, Knight, I. 1981-1 3989 Sonoma 5.6 mi up Cavedale Road at summit from jct of state route #12 Comment
  HSC18566  Cercocarpus montanus var. glaber R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1347 Sonoma 10 mi. W of Big Geysers along Sulphur Creek Comment
  CAS-BOT-BC279784  Chamaemelum fuscatum John H. Thomas 1966-3-18 11481 Sonoma Edge of vineyard at Italian Swiss Colony vineyard at Asti Comment
  CDA7378  Chamaemelum fuscatum G. D. Barbe 1974-4-29 1781 Sonoma 1 mile south of Washington School Road on Asti Road, Asti. 0 Comment
  RSA79015  Chamaemelum fuscatum P. A. Munz 1952-3-23 17351 Sonoma 0.5 mile among Vines in vineyard, 2 miles S of Asti Vineyard (Italian Swiss Colony). Comment
  CAS-BOT-BC178699  Chenopodiaceae Peter Rubtzoff 1976-9-25 8903 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC166902  Chenopodium Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7844 Sonoma Kenwood Marsh. Comment
  UCD166098  Chenopodium Peter Rubtzoff 1971-8-9 6638 Sonoma Laguna, Chileno Valley. Comment
  SEINET11933366  Chenopodium berlandieri var. zschackei W. Knight, Knight, I.; Edwards, S. W. 1984-1 5042 Sonoma Willow Creek between Denman Flat and Corona Road near Petaluma 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
  UC1563651  Chenopodium pumilio Barbara Ertter 1988-11-5 8032 Sonoma ca 5 mi due s Cloverdale (point below Little Flat parking area, Lake Sonoma, w of bridge); Lake Sonoma 152 Comment
  UCD35703  Chenopodium rubrum Beecher Crampton 1958-12-30 5141 Sonoma ca. 10 miles west of Vallejo. Comment
  CAS-BOT-BC354325  Chlorogalum pomeridianum Peter Rubtzoff 1958-7-19 3765 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UCR254737  Chlorogalum pomeridianum Peter Rubtzoff 1958-7-19 3765 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC493400  Chlorogalum pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian River Comment
  UCD138412  Chlorogalum pomeridianum var. divaricatum P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  JEPS128347  Chlorogalum pomeridianum var. pomeridianum Roger Raiche 2000-5-28 118 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this is not the name on USGS topo sheets). Gualala River, Wheatfield Fork watershed. Comment
  JEPS51212  Chlorogalum pomeridianum var. pomeridianum Glen Keator 1967-6-26 SN 3 Sonoma 1/2 mi e Occidental Comment
  JEPS50856  Chlorogalum pomeridianum var. pomeridianum H-M. Beard Jun 26 1967-Jun 27 1967 61 .104 Sonoma Comment
  POM169099  Chlorogalum pomeridianum var. pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian river. Comment
  RSA369225  Chlorogalum pomeridianum var. pomeridianum Christopher Davidson 1977-6-20 6010 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  CDA33563  Chondrilla juncea Robin Breckenridge & Katie Filippini 2010-7-22 PDR# 1313481 Sonoma Petaluma; Hwy 116/Lakeville Rd & Hwy 101. 0 Comment
  CAS-BOT-BC191550  Chorizanthe cuspidata var. villosa Walter Knight; Irja Knight 1963-8-13 164 Sonoma Horseshoe Cove Comment
  UC126080  Chorizanthe cuspidata var. villosa Katharine Brandegee June 1905 Sonoma Bodega Point Comment
  CAS-BOT-BC252850  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1925-5-9 11750 Sonoma Mt. St. Helena Comment
  RSA749089  Chrysolepis chrysophylla P. C. Pendse 1979-10-7 s.n. Sonoma Salt Point State Park. Next to ranger station. Among bishop pines, coast redwood, and tan oaks. Comment
  SJSU6040  Cicuta douglasii C. W. Sharsmith 1972-6-24 7802 Sonoma Forestville Marsh c. 0.5 mi E of Forestville NW of Sebastopol, southern Sonoma County 42 Comment
  RSA790282  Cirsium arvense Peter Rubtzoff 1955-8-13 2049 Sonoma Willow Creek Marsh. Comment
  SEINET11845328  Cirsium douglasii W. Knight, Knight, I.; Knight, T.; Edwards, S. W. 1985-1 6358 Sonoma Pine Flat Road 305 Comment
  POM53742  Cirsium douglasii var. douglasii A. A. Heller 1902-7-2 5803 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CDA1392  Cirsium occidentale var. coulteri Robin Breckenridge 1986-5-14 s.n. Sonoma Bodega Bay; Bodega Dunes State Campground. Comment
  CAS-BOT-BC285703  Cirsium occidentale var. occidentale Alice Eastwood 1915-6-29 4889 Sonoma Bodega Point Comment
  CAS-BOT-BC280363  Cirsium occidentale var. venustum Blanche Clear 1938-5-28 s.n. Sonoma Hillside between Geyserville & Alexander Valley Comment
  CAS-BOT-BC285751  Cirsium remotifolium Alice Eastwood; John Thomas Howell 1938-7-6 6088 Sonoma Alder Glen Springs Comment
  UC895054  Cirsium remotifolium var. odontolepis Marcus E. Jones, A. M. 1882-7-18 3385 Sonoma Duncan's Mills Comment
  UCD159440  Cirsium vulgare D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 197 Sonoma Roadside population along road leading to Bodega Marine Labs. Abundant. 7 Comment
  CAS-BOT-BC285802  Cirsium vulgare Walter Knight; Irja Knight 1963-8-26 183 Sonoma Hendren Ranch - Two Rocks Comment
  UCD166463  Citrullus lanatus Peter Rubtzoff 1955-10-12 2169 Sonoma Vacation Beach, near Guerneville. Comment
  UC1541515  Clarkia amoena H. E. and S. T. Parks 1930-5-10 606 Sonoma Knights Valley 152 Comment
  UCD104026  Clarkia amoena Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 49 Sonoma Unit 2 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC161048  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1938-7-6 6085 Sonoma Alder Glen Springs Comment
  RSA0059971  Clarkia amoena subsp. amoena Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  RSA108395  Clarkia amoena subsp. amoena Harlan Lewis, M. Lewis 1947-6-15 436 Sonoma Highway 1, Bodega Bay at west road to Doran Park Comment
  UC1143222  Clarkia amoena subsp. huntiana H. Lewis and M. Lewis 1951-7-10 866 Sonoma 4.0 mi w Mark West Springs Comment
  RSA108388  Clarkia amoena subsp. huntiana Harlan Lewis, M. Lewis 1951-7-10 866 Sonoma 4 miles W of Mark West Springs Comment
Read comments
May 11 2011
  CAS-BOT-BC172218  Clarkia concinna Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  UCD158780  Clarkia concinna James A. Neilson Jr. 1974-6-1 2776 Sonoma Mayacmas Mountains, Geyser Rock, west of Whispering Pines, in the vicinity of the boundary line of Sonoma and Lake Counties. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  UCR265106  Clarkia concinna Ann Howald 2015-4-1 3338 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 19.2 miles west of intersection with Rockpile Rd, Wheatfield Fork of Gualala River drainage 132 Comment
  UC1122374  Clarkia concinna subsp. concinna H. S. Yates 1934-4-21 3805 Sonoma near Bodega; Duncan Mills Quadrangle Comment
  UC725785  Clarkia concinna subsp. concinna A. A. Heller 1940-5-10 15600 Sonoma near Fort Ross Comment
  UCD104045  Clarkia davyi Frederica Bowcutt 1984-6-23 417 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, N of Gerstle Cove about 1/8 mile. 15 Comment
  UCD151107  Clarkia gracilis James A. Neilson Jr. 1974-6-1 s.n. Sonoma Mayacmas Mountains, Geyser Rock area, old road to Geyser Peak, ca. 3.5 mi. west of Whispering Pines, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UCD104538  Clarkia gracilis Botany 102 Students 1993-5-8 274 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
  CAS-BOT-BC163138  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 17 Sonoma One-half mile east of Glen Ellen 30 Comment
  CAS-BOT-BC163146  Clarkia gracilis subsp. sonomensis John Thomas Howell 1929-6-9 4303 Sonoma Near highway, Valley of the Moon one mile from Glen Ellen Comment
  RSA125115  Clarkia gracilis subsp. sonomensis Peter H. Raven 1958-7-23 13686 Sonoma 8.3 miles east of Skaggs Springs on the road to Stewarts Point Comment
  JEPS79261  Clarkia imbricata L. R. Heckard 1980-7-4 5405 Sonoma ca. 2 mi ne Graton (at 4851 Vine Hill Road (Schwartz property)) Comment
  LA206097  Clarkia imbricata H. Lewis; M. Lewis 1951-7-10 865 Sonoma 6230 Vine Hill Rd, between Santa Rosa and Guerneville Comment
  RSA97602  Clarkia purpurea subsp. quadrivulnera J. T. Howell 1945-7-18 21315 Sonoma Dry slope bordering Pitkin Marsh Comment
  CAS-BOT-BC164586  Clarkia purpurea subsp. viminea John Thomas Howell 1937-7-4 13067 Sonoma Near Petrified Forest Comment
  UCD160134  Clarkia unguiculata James A. Neilson Jr. 1973-6-7 2971 Sonoma Mayacmas Mountains. The Geysers. Site IV-G, Big Geysers. (Elevation and exact location estimated by label maker.) 365 Comment
  SDSU9780  Claytonia exigua subsp. exigua D. F. Howe 1963-5-23 3532 Sonoma 4 miles north of Cloverdale on #128. 335 Comment
  CAS-BOT-BC439402  Claytonia gypsophiloides D. E. Breedlove 1983-4-11 58682 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  UC1299360  Claytonia gypsophiloides Freed W. Hoffman 1947-3-9 815 Sonoma ne of Camp Meeker; North Coast Ranges Comment
  CAS-BOT-BC439405  Claytonia gypsophiloides Mrs. H. C. Cantelow 1938-5-1 4215 Sonoma 9 mi. N. of Kenwood Comment
  CAS-BOT-BC439636  Claytonia parviflora subsp. parviflora A. A. Heller; H. E. Brown 1902-3-16 5077 Sonoma Russian River, near Trenton Comment
  RSA388344  Claytonia perfoliata Gary Bolton 1975-4-19 3 Sonoma Bay Road, 200m E of P G & E hole, Bodega Head Comment
  SEINET11935786  Claytonia perfoliata Unknown 1987-1 70028 Sonoma S of mouth of Russian River, Goat Rock State Park, W of Coast Hwy 1, S of main entrance rd into park 9 Comment
  CAS-BOT-BC439762  Claytonia perfoliata subsp. perfoliata Peter Rubtzoff 1960-5-22 4405 Sonoma Laguna de Santa Rosa area east of Graton (betw. Occidental & Guerneville roads). Comment
  CHSC101621  Clintonia andrewsiana David W. Isle; Rhonda Isle 2005-11-11 1632 Sonoma SE of Gualala, along drainage, just west of bridge, south of road between Annapolis and Stewart's Point in old growth redwood forest. Comment
  POM161577  Clintonia andrewsiana Rimo C. Bacigalupi 1926-5-8 1393 Sonoma Cazadero Comment
  RSA12260  Clintonia andrewsiana Carl B. Wolf 1934-6-29 5805 Sonoma 6/10 mile inland from Stewarts Point. 61 Comment
  CAS-BOT-BC238061  Collinsia Alice Eastwood 1922-5-5 11290 Sonoma Mt. St. Helena Comment
  POM126797  Collinsia sparsiflora H. P. Chandler 1907-4-28 7549 Sonoma Santa Rosa to Calistoga. Comment
  UC1238963  Collinsia tinctoria Freed W. Hoffman 1947-5-18 770 Sonoma Dutch Bill Creek near Camp Meeker (North Coast Ranges); , Dutch Bill Creek Comment
  CAS-BOT-BC229545  Collomia diversifolia J. C. Roos 1950-7-22 4873 Sonoma 2 miles E of Duncan Mills 60 Comment
  UC30212  Collomia heterophylla H. N. Bolander 1864-1 3860 Sonoma bed Russian River Comment
  CAS-BOT-BC376390  Convolvulus Greg de Nevers 1993-5-9 10440 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Just above the Pippindale-Pepperwood gate. 400 Comment
  SJSU5741  Cordylanthus pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge E of Santa Rosa 91 Comment
  JEPS6813  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1895-8-30 21340 Sonoma Petrified Forest Comment
  UCD123109  Cordylanthus pilosus subsp. pilosus K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  UCD123130  Cordylanthus tenuis subsp. brunneus Roger Raiche 1985-6-30 RR 50567 Sonoma unnamed ridge on west side of Dry Creek Valley, north of Crane Creek and south of Bradford Mt. 274 Comment
  CAS-BOT-BC238230  Cordylanthus tenuis subsp. brunneus Steve Edwards 1984-7-22 s.n. Sonoma N. of Duvoul Cr., N. of Camp Meeker, E. of but not far above, Bohemian Hwy. 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
  JEPS57467  Cordylanthus tenuis subsp. capillaris L. R. Heckard 1968-7-23 2068 Sonoma n Occidental (Stoetz Lane about 3/4 mi w of Harris grade road) Comment
  JEPS74989  Cordylanthus tenuis subsp. capillaris T. I. and F. M. Chuang 1975-7-5 7520 Sonoma n Occidental (Stoetz Lane, about 3/4 mi w of Harris Grade Road) Comment
  CAS-BOT-BC101573  Corethrogyne filaginifolia Mary P. Wells 1982-7-3 s.n. Sonoma Unit 34A, The Sea Ranch Comment
  SDSU4700  Corethrogyne filaginifolia D. F. Howe 1962-7-29 3365 Sonoma 12 miles north of Jenner at #1. 61 Comment
  RSA0034034  Cornus Peter Rubtzoff 1987-7-18 9797 Sonoma Russian River at Forest Hills, ca. 5.5 miles east of Guerneville. Along river, off Summerhouse Park Road, 0.2 miles west of Forest Hills Road. Comment
  CAS-BOT-BC366870  Cornus glabrata Greg de Nevers 1998-4-27 11196 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  SACT002819  Corylus cornuta var. californica R. Darby 1940-3-11 Sonoma Chaparrl, humid transitional zone in deep black loam. 6.5 miles southwest of Sebastopol. 1 mile west of Burnside. Shrubs 5 feet high, herbage rounded beneath flowers. Comment
  CAS-BOT-BC173677  Cotula coronopifolia Peter Rubtzoff 1962-10-9 5106 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC290295  Cotula coronopifolia M. E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  SD206992  Crassula Reid Moran, J. Vale 1989-5-3 Sonoma Sonoma Valley Regional Park; E of Glen Ellen. Comment
  CAS-BOT-BC427654  Crassula aquatica Peter Rubtzoff 1963-6-18 5177 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC427660  Crassula aquatica Peter Rubtzoff 1969-5-24 6052 Sonoma 6.5 mi. northeast of Penngrove, on Lichau Road 426 Comment
  CAS-BOT-BC427689  Crassula connata Greg de Nevers; Frank Almeda 1987-4-11 8148 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC427918  Crassula connata Catherine Best 1987-3-28 1238 Sonoma Bodega Head Comment
  UCD19496  Crassula connata Terry Reedy 1974-5-11 223 Sonoma Bodega Head. 15 Comment
  CAS-BOT-BC143506  Crataegus gaylussacia Peter Rubtzoff 1959-5-30 4062 Sonoma Freestone Marsh Comment
  UC963925  Crocanthemum scoparium var. vulgare Milo S. Baker 1947-5-30 11770 Sonoma sw slope Hood Mt. Comment
  CAS-BOT-BC257333  Crocosmia X crocosmiiflora Peter Rubtzoff 1970-10-3 6412 Sonoma Bodega Harbor Marsh. Comment
  CDA37889  Crupina vulgaris CDFA Staff s.n. Sonoma Santa Rosa. 0 Comment
  OBI51541  Crupina vulgaris Keith Wagnon 1989-7-3 s.n. Sonoma SE of Santa Rosa at Annadel State Park Comment
  CAS-BOT-BC190182  Crypsis vaginiflora Peter Rubtzoff 1958-9-6 3980 Sonoma Laguna de Santa Rosa north of Cunningham (near Todd Road). Comment
  CAS-BOT-BC361289  Cryptantha Greg de Nevers 1993-5-6 10433 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa At Weimar Flat 457 Comment
  UC353795  Cryptantha intermedia Milo S. Baker 1928-6-26 3043 b Sonoma n of Barber Ranch; Hope Valley Comment
  RSA151908  Cryptantha leiocarpa Peter M. Ray 1952-5-30 2299 Sonoma Between Bodega Harbor and the ocean, north of Bodega Head (near harbor just south of marsh indicated on Bodega Head quadrangle). Comment
  UC1731386  Cryptantha milobakeri Dean W. Taylor 1998-6-22 16683 Sonoma 0.3 mi along ridge from Eagle Rock Substation ((ridge dividing Bear Canyon from Squaw Cr.)); North Coast Ranges, Mayacamas Mountains, The Geysers Geother 792 Comment
  UC280520  Cryptantha muricata Katharine Brandegee Sonoma Mt. St. Helena Comment
  RSA0079375  Cryptantha muricata var. jonesii Milo S. Baker 1947-5-7 11735 Sonoma SW slope of Hood Mt. near base of Sugar Loaf. 366 Comment
  RSA0079376  Cryptantha muricata var. jonesii Michener, Bioletti 1892-5-30 s.n. Sonoma Hood s Peak. Comment
  UCD133584  Cupressus macrocarpa Chris Bowen 1974-5-19 131 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1; by the playground. Comment
  CAS-BOT-BC85460  Cupressus sargentii John Thomas Howell 1931-9-26 8092 Sonoma Serpentine outcrop 2 miles from Monte Rio on road to Camp Meeker Comment
  UC353811  Cupressus sargentii Milo S. Baker 1928-4-18 2966 a Sonoma 3 mi n Occidental (W. B. Coy Ranch) Comment
  UC618967  Cupressus sargentii E. Armstrong 1934-3-26 923 Sonoma 2 mi n Camp Meeker; Sebastopol Quadrangle 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
  RSA129446  Cupressus sargentii E. Armstrong 1934-3-26 923 Sonoma 2 miles north of Camp Meeker 122 Comment
  CDA15297  Cuscuta howelliana G. F. Hrusa, R. Buckmann (DFG) 1996-10-5 13583 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Sheet 1 of 3. Comment
  RSA786666  Cuscuta pentagona Peter Rubtzoff 1975-9-28 8414 Sonoma Russian River bank at Forest Hills, 5.5 mi east of Guerneville. Comment
  CAS-BOT-BC320554  Cynodon Peter Rubtzoff 1971-8-23 6658 Sonoma Meacham Road, 0.35 miles south of Stony Point Road. Comment
  CAS-BOT-BC190343  Cynodon dactylon Peter Rubtzoff 1951-7-21 504 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower marshes. Comment
  UCR248761  Cynodon dactylon Peter Rubtzoff 1971-8-23 6658 Sonoma Meacham Road, 0.35 miles south of Stony Point Road 75 Comment
  UC24750  Cynoglossum grande W. A. Setchell 1898-3-15 Sonoma Cloverdale Comment
  CAS-BOT-BC312690  Cynosurus Peter Rubtzoff 1971-6-5 6515 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  SDSU983  Cynosurus cristatus D. F. Howe 1963-7-3 3588 Sonoma 20 miles north of junction with #12 on #1 Comment
  CAS-BOT-BC190430  Cynosurus echinatus G. DeNevers; M. Harding 1981-7-11 1757 Sonoma Pepperwood Ranch. In Garrison Canyon. Comment
  CAS-BOT-BC190474  Cynosurus echinatus Roxana S. Ferris; Laura Lorraine 1948-6-9 11663 Sonoma 11 miles from Geyserville on road to Kellogg. Comment
  RSA47614  Cynosurus echinatus Roxana S. Ferris, Laura Lorraine 1948-6-9 11663 Sonoma 11 miles from Geyserville on road to Kellogg. Comment
  UC552760  Cynosurus echinatus Joseph P. Tracy 1935-7-7 14048 Sonoma near the Geysers; near the Geysers 609 Comment
  UC796492  Cynosurus echinatus Roxana S. Ferris and Laura Lorraine 1948-6-9 11663 Sonoma on road to Kellogg 11 mi from Geyserville Comment
  UCD160902  Cynosurus echinatus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3582 Sonoma Section 10, ca. 1.5 miles west of The Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  RSA0022474  Cynosurus echinatus Peter Rubtzoff 1968-6-20 5899 Sonoma 6.5 mi. northeast of Penngrove on Lichan[Lichau?] Road. 427 Comment
  CAS-BOT-BC114772  Cyperus acuminatus Peter Rubtzoff 1987-10-17 9873 Sonoma Russian River ca. 6 miles E of Guerneville. Comment
  CAS-BOT-BC114513  Cyperus eragrostis Peter Rubtzoff 1951-7-14 452 Sonoma Pitkin Marsh, near Forestville. Damp, open area between the Upper and the Lower marshes. Comment
  UC1567  Cyperus eragrostis Alice King Sept., 1896 Sonoma Healdsburg Comment
  JEPS117113  Cyperus niger Peter Warner 2010-7-29 176 Sonoma Lower Pitkin Marsh, N of primary drainage channel, ~ 347 m, N 45 deg. E from Hwy. 116 gate, in quaking bog (fen) area Comment
  CAS-BOT-BC113913  Cyperus niger var. capitatus Peter Rubtzoff 1959-8-30 4242 Sonoma Drake's Beach, near Guerneville. Open, wet gravelly margin of Russian River. Comment
  CAS-BOT-BC136481  Cypripedium montanum A. T. Graff 1926-4-1 s.n. Sonoma Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC435194  Cypselea humifusa H. K. Wagnon 1991-10-14 1993 Sonoma Jack London State Park. Comment
  CAS-BOT-BC70723  Cystopteris fragilis D. E. Breedlove 1980-6-28 44814 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC189804  Dactylis glomerata G. DeNevers 1981-5-23 1252 Sonoma Pepperwood Ranch. Along Franz Valley Road. Comment
  JEPS97535  Dactylis glomerata R. D. Stone 1980-11-29 327 Sonoma Northern part of the Sea Ranch development N of Stewart's Point. Comment
  UCD60299  Dactylis glomerata Virginia Bufford 1936-5-22 403 Sonoma Highway 1--2 mi. north of Stewarts Point. Comment
  CAS-BOT-BC176175  Danthonia californica Peter Rubtzoff 1971-6-5 6508 Sonoma Vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC210055  Danthonia californica Peter Rubtzoff 1961-6-17 4627 Sonoma Bennett Mountain Lake. Comment
  UCD60473  Danthonia californica Winfield H. Hart 1965-2-2 s.n. Sonoma Sonoma Coast State Park, Shell Beach. Comment
  UCR279609  Danthonia californica Peter Rubtzoff 1959-5-30 4072 Sonoma Freestone Marsh 79 Comment
  SEINET10827987  Danthonia californica var. americana Thomas J. Howell 1935-5-5 Howell 12611 Sonoma Low hills, 6 miles from Santa Rosa, on road to Sonoma. Comment
  CAS-BOT-BC154983  Datura Peter Rubtzoff 1969-8-14 6131 Sonoma Along Salmon Creek, ca. 0.5 mi. upstream from Highway #1. Comment
  CDA5765  Datura stramonium T. C. Fuller 1957-12-17 Sonoma 1 mile north of Petaluma. 0 Comment
  CAS-BOT-BC361341  Daucus pusillus Greg de Nevers 1997-4-24 10971 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CDA36848  Daucus pusillus CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  JEPS128203  Daucus pusillus Roger Raiche 2000-4-30 051 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA470792  Daucus pusillus D. D. Keck, J. Clausen 1935-6-15 3372 Sonoma 1 mile north of Salmon Creek 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-BC9607  Delphinium bakeri Milo S. Baker 1929-5-3 3429 c Sonoma Coleman Valley Comment
  CHSC60191  Delphinium bakeri J. Lund 1980-4-12 Sonoma 0.1 mile west of Petrified Forest Road and Porter Creek Road junction. Comment
  RSA74424  Delphinium bakeri Milo S. Baker 1946-4-25 11337 Sonoma Coleman Valley; West of Occidental on Hendrin Ranch Comment
  UC804504  Delphinium bakeri Milo S. Baker May 1939 9489 Sonoma Coleman Valley, Sonoma Co. Comment
  UC963909  Delphinium bakeri Milo S. Baker 1946-4-25 11337 Sonoma Coleman Val., west of Occidental on Hedrin Ranch Sonoma Co. Comment
  CAS-BOT-BC9014  Delphinium decorum A. A. Heller 1938-5-14 15089 Sonoma East of Bodega Bay Comment
  CAS-BOT-BC9019  Delphinium decorum John Thomas Howell 1931-4-18 6416 Sonoma Larkspur Rock near Bodega Bay Comment
  UC854102  Delphinium decorum Lewis S. Rose 1939-5-14 39123 Sonoma hills 1 mi e Bodega Bay 30 Comment
  CAS-BOT-BC10005  Delphinium hesperium Peter Rubtzoff 1974-5-25 7465 Sonoma Highway 116, 2 miles west of Forestville. Comment
  RSA264777  Delphinium hesperium Peter Rubtzoff 1974-5-25 7465 Sonoma Hwy 116, 2 miles W of Forestville Road cut (of Hwy 116) in forest Comment
  UCSB31450  Delphinium hesperium Townsend, J. 1977-5-30 Sonoma East side Russian river; about 2 miles south of Guerneville 335 Comment
  UC118585  Delphinium hesperium subsp. hesperium Michener and Bioletti 1892-5-30 932 a Sonoma Hood's Peak Comment
Read comments
Jun 5 2007
  UC912568  Delphinium hesperium subsp. hesperium Herbert L. Mason 1934-4-28 8088 Sonoma Jensen's Ranch Comment
  POM299321  Delphinium luteum Lester Rowntree 1932-6-12 s.n. Sonoma Near Bay Comment
  SEINET10536041  Delphinium luteum A. Arthur Heller, H. E. Brown 1902-1 Sonoma Comment
  CAS-BOT-BC8014  Delphinium nudicaule Elsa G. Ruckert 1960-3-23 41 Sonoma Triniti Road, 0.75 mi. from junction of Highway 12 243 Comment
  CAS-BOT-BC9897  Delphinium nudicaule Doris K. Kildale 1928-4-1 4400 Sonoma Top of grade, just north of Cloverdale, on Redwood Highway Comment
  UC486513  Delphinium patens subsp. patens H. E. and S. T. Parks 1930-5-10 843 Sonoma along small stream Knights Valley Comment
  CAS-BOT-BC7774  Delphinium variegatum Volney Rattan 1878-1-1 s.n. Sonoma Vaca Val. Comment
  SEINET10620911 Image available Dendromecon rigida A. Arthur Heller, H. E. Brown 1902-5-29 Heller 5618 Sonoma Mt. Hood. Comment
  CAS-BOT-BC227655  Deschampsia cespitosa Peter Rubtzoff; Tim Tunison; Nancy Harrison 1976-6-5 8591 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UCD61380  Deschampsia cespitosa Beecher Crampton 1957-7-22 4383 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UC767083  Deschampsia cespitosa subsp. beringensis R. F. Hoover 1941-5-14 5072 Sonoma 1 mi. n. Valley Ford Comment
  CAS-BOT-BC192604  Deschampsia cespitosa subsp. holciformis John H. Thomas 1976-6-16 18345 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UCD63789  Deschampsia cespitosa subsp. holciformis David L. Morgan 1956-5-23 Sonoma 4 mi. S of Jenner on State Highway 1. Comment
  SEINET10662640  Deschampsia danthonioides P. Rubtzoff 1969-6-14 Rubtzoff 6084 Sonoma 6.5 mi. northeast of Penngrove on Lichau Road. Comment
  CAS-BOT-BC201968  Deschampsia elongata Peter Rubtzoff 1962-5-30 4847 Sonoma Freestone Marsh Comment
  RSA784398  Deschampsia elongata Peter Rubtzoff 1962-6-13 4902 Sonoma Freestone Marsh. Comment
  UCD63718  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3555 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC208926  Dichanthelium acuminatum subsp. acuminatum F. G. Krauss 1893-10-28 s.n. Sonoma Geyser Canyon Comment
  CAS-BOT-BC253653  Dichanthelium acuminatum subsp. acuminatum Helen D. Geis 1902-7-1 s.n. Sonoma Russian River Comment
  CAS-BOT-BC254479  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1945-7-18 21322 Sonoma Pitkin Marsh Comment
  UCD110463  Dichelostemma Christopher Mallek 2008-1 s.n. Sonoma Hooker Canyon. 590 Comment
  CAS-BOT-BC258920  Dichelostemma capitatum Peter Rubtzoff 1963-5-26 5145 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC502218  Dichelostemma capitatum Dorothy Scherer 1996-4-26 038 Sonoma Along Fort Ross road ca 800' west of Seaview Road, Fort Ross State Historic Park 457 Comment
  SEINET4207210  Dichondra occidentalis A. A. Beetle 1940-4-7 2598 Sonoma Five miles north of Jenner.; 0 Comment
  SEINET11690138  Digitaria ischaemum J. T. Howell, Best, C. 1986-1 s.n. Sonoma Sonma State Campus, Rohnert Park Comment
  RSA796380  Digitaria sanguinalis Peter Rubtzoff 1956-9-14 2857 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD64147  Digitaria sanguinalis Beecher Crampton 1967-10-24 8220 Sonoma Ca. 4 miles east Black Point, State Hwy. 37. Comment
  CAS-BOT-BC153333  Diplacus layneae Mrs. C. A. Burlingame 1921-5-30 s.n. Sonoma Sonoma Comment
  CAS-BOT-BC151377  Diplacus tricolor James McMurphy 1906-7-16 s.n. Sonoma Fulton Comment
  UC1134581  Disporum hookeri H. S. Yates 1934-4-21 3802 Sonoma near Bodega 91 Comment
  UC429269  Disporum hookeri Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  UC429275  Disporum hookeri Milo S. Baker 1904-6-20 Sonoma Sonoma Creek Canyon Comment
  RSA0022415  Distichlis Peter Rubtzoff 1970-5-30 6234 Sonoma 5 mi. north of Sears Point. Comment
  RSA0022416  Distichlis Peter Rubtzoff 1970-7-17 6285 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC182763  Distichlis spicata Peter Rubtzoff 1962-7-14 5000 Sonoma Lower Salmon Creek Marsh. Comment
  RSA796173  Distichlis spicata Peter Rubtzoff 1955-8-20 2065 Sonoma Bodega Harbor Marsh. Comment
  UCR253005  Distichlis spicata Peter Rubtzoff 1971-8-23 6646 Sonoma Spring Hill Road 0.8 miles SE of Bodega Highway (Two Rock church) 30 Comment
  CAS-BOT-BC196923  Distichlis spicata David L. Morgan 1956-5-17 s.n. Sonoma 3 mi. E. of Petaluma on Lakeville Rd. Comment
  UCD64362  Distichlis spicata Collector Unknown 1941-9-1 154 Sonoma Near mouth of Walker Cr. by Tomales Bay. Comment
  UCSB45485  Dodecatheon clevelandii Fairbank, K. 1979-3-29 Sonoma 1/2 mile from the intersection of Vine Hill Road and Laguna Road, on Vine Hill Road 45 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
  UCR141959  Downingia concolor Beecher Crampton 1966-5-10 7728 Sonoma Coast Range, 6.5 miles north of Sonoma on State Hwy 12, Calif. Dept. of Forestry Glen Ellen station 76 Comment
  JEPS19381  Downingia concolor var. concolor G. Thomas Robbins 1938-5-19 265 Sonoma sw of Santa Rosa (Stony Point Road, near The Lagunas) Comment
  UCR279855  Downingia concolor var. concolor Peter Rubtzoff 1966-6-5 5752 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 mile from Llano Road 29 Comment
  RSA21846  Downingia concolor var. concolor Alice Eastwood, J. T. Howell 1936-5-19 2508 Sonoma 2 miles north of Windsor Comment
  UC76661  Downingia concolor var. concolor Miss M. Alice King May 1897 Sonoma Comment
  UC1188754  Downingia pusilla John Weiler 1960-4-9 6035 Sonoma 4.4 mi n Sears Point (along State Highway 37) Comment
  JEPS3074  Downingia pusilla Bioletti 1892-5-1 Sonoma Shellville, Sonoma Co. Comment
  UC1051650  Drosera rotundifolia Peter Kamb and Francia Chisaki 1950-6-16 1848 Sonoma 1 mi n Sousa Corners (nw of Sebastopol, toward s end of marsh); Pitkin Marsh Comment
  CAS-BOT-BC71026  Dryopteris arguta G. DeNevers 1981-4-25 854 Sonoma Mark West Creek and Leslie Creek confluence Comment
  CAS-BOT-BC536737  Duchesnea indica Peter Rubtzoff 1987-5-3 9763 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Weed in shade of trees at 10781 River Drive. Comment
  CAS-BOT-BC411376  Dudleya caespitosa Carl B. Wolf 1927-9-2 1356 Sonoma 8 miles N of Fort Ross Comment
  SEINET12216915  Dudleya cymosa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -207 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 800 Comment
  UC830922  Dudleya farinosa Marcus E. Jones 1882-7-17 3347 Sonoma Duncan's Mill Comment
  SD71429  Dysphania ambrosioides Peter Rubtzoff 1958-8-16 3867 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road) Comment
  UCD98787  Dysphania chilensis Peter Rubtzoff 1953-11-1 1440 Sonoma Vacation Beach, near Guerneville. Comment
  RSA785442  Echinochloa Peter Rubtzoff 1976-8-29 8834 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Comment
  UCD61074  Echinochloa muricata P. B. Kennedy 1925-8-4 Sonoma Petaluma. Comment
  UCD166224  Echinodorus berteroi Peter Rubtzoff 1970-8-5 6297 Sonoma Five miles north of Sears Point. 11 Comment
  CAS-BOT-BC274413  Eleocharis Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7849 Sonoma Kenwood Marsh. Comment
  SJSU5984  Eleocharis acicularis C. W. Sharsmith 1972-6-24 7797 Sonoma Forestville Marsh c, 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  CAS-BOT-BC113733  Eleocharis acicularis var. occidentalis Peter Rubtzoff 1955-7-30 2002 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC112074  Eleocharis quinqueflora Peter Rubtzoff 1952-5-31 1125 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112206  Eleocharis radicans Peter Rubtzoff 1961-8-25 4722 Sonoma Forest Hills, east of Guerneville. Open, wet margin of Russian River. Comment
  CAS-BOT-BC112274  Eleocharis rostellata Peter Rubtzoff 1951-7-7 361 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  UC1026475  Eleocharis rostellata Peter Rubtzoff 1951-7-21 495 Sonoma near Forestville (southern half of Lower Marsh); Pitkin Marsh Comment
  HSC9712  Elymus glaucus C. S. Chavez 1965-6-5 82 Sonoma 1 mi. N of Sebastopol on Guerneville Rd. Comment
  SEINET266627  Elymus glaucus P. G. Connors 1990-7-19 96 Sonoma Bodega Head. Comment
  UC769909  Elymus glaucus Robert F. Hoover 1941-6-7 5300 Sonoma Molino Comment
  UCD15828  Elymus glaucus J. D. DiTomaso 1998-5-18 s.n. Sonoma Sugarloaf Ridge State Park. 430 Comment
  RSA126905  Elymus glaucus H. S. Yates 1937-6-5 6573 Sonoma 3 miles S.S.E of Wildwood; Santa Rosa 122 Comment
  CAS-BOT-BC203705  Elymus glaucus subsp. glaucus Mary P. Wells 1984-5-24 282 Sonoma Annadel State Park, Santa Rosa Comment
  JEPS45813  Elymus glaucus subsp. glaucus Eleanor Armstrong 1932-5-19 162 Sonoma 1 mi w Camp Meeker 91 Comment
  UC1146678  Elymus glaucus subsp. virescens Freed W. Hoffman 1944-5-27 2009 Sonoma Bodega Park North Coast Ranges (ocean bank) Comment
  UCR244511  Epilobium campestre Peter Rubtzoff 1962-7-6 4976 Sonoma Coast Range, Laguna de Santa Rosa near Trenton Road [south of Woolsey Road] 21 Comment
  CAS-BOT-BC268058  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1968-7-20 5923 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC268070  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1685 Sonoma Guerneville Marsh. Comment
  RSA800035  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1693 Sonoma Guerneville Marsh. Comment
  UCD105936  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1951-7-8 415 Sonoma Pitkin Marsh, near Forestville. Comment
  UCR248946  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1962-6-21 4937 Sonoma Laguna de Santa Rosa area, NE of Graton, east of Laguna Rd. 21 Comment
  UCR248959  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5339 Sonoma Bodega Bay Marsh 15 Comment
  POM225185  Epilobium ciliatum subsp. watsonii P. A. Munz 1936-8-8 14312 Sonoma Ft. Ross Comment
  JEPS27970  Epilobium minutum Rimo Bacigalupi and L. Heckard 1961-6-9 7737 Sonoma at junction of Joy Rd and Bittner Road (1.75 mi sw of Occidental) 249 Comment
  CAS-BOT-BC164680  Equisetum Peter Rubtzoff 1973-9-8 7302 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD165328  Equisetum Peter Rubtzoff 1973-8-21 7255 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC57130  Equisetum X ferrissii John Thomas Howell 1951-5-28 27502 Sonoma Eastern branch of the Pitkin Marsh Comment
  CAS-BOT-BC57039  Equisetum arvense Peter Rubtzoff 1956-9-14 2872 Sonoma Vacation Beach, near Guerneville, on Russian River bottom Comment
  CAS-BOT-BC57041  Equisetum arvense Peter Rubtzoff 1952-5-10 1023 Sonoma Eastern branch of the Upper Marsh Comment
  RSA0045168  Equisetum hyemale subsp. affine Greg de Nevers 1993-5-16 10447 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Along Franz Creek east of 3865 Franz Valley Rd. 91 Comment
  UC810320  Equisetum laevigatum K. Wagnon 1940-3-29 237 Sonoma nw corner Santa Rosa Jr. College Campus (along Eliot Ave.) Comment
  RSA784474  Equisetum laevigatum Peter Rubtzoff 1959-8-22 4230 Sonoma South Fork Eel River in Edward R. Hickey State Park. Comment
  CAS-BOT-BC57651  Equisetum telmateia Peter Rubtzoff 1957-4-28 3288 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC57654  Equisetum telmateia J. W. Congdon 1880-4-13 s.n. Sonoma Santa Rosa Road Comment
  CAS-BOT-BC312697  Eragrostis Peter Rubtzoff 1970-9-2 6357 Sonoma Russian River bottom at Mirabel Park. 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-BC213572  Eragrostis hypnoides Peter Rubtzoff 1970-9-2 6355 Sonoma Rusian River bottom at Mirabel Park Comment
  CAS-BOT-BC182756  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1956-9-21 2937 Sonoma Vacation Beach, near Guerneville. Comment
  RSA785229  Erechtites glomeratus Peter Rubtzoff 1960-10-29 4577 Sonoma Bodega Harbor Marsh. Comment
  UCR255058  Ericameria arborescens Greg de Nevers 1989-9-5 9100 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC131610  Ericameria arborescens Walter Knight; Irja Knight 1963-8-23 194 Sonoma Joost Ranch, Calistoga Rd. Comment
  CAS-BOT-BC293621  Erigeron biolettii Marcus E. Jones 1882-7-17 3620 Sonoma Duncan's [Duncans] Mills Comment
  CAS-BOT-BC295123  Erigeron glaucus L. Beane; Lois E. James 1949-5-11 2072 Sonoma Between Fort Ross and Jenner Comment
  CAS-BOT-BC308832  Erigeron glaucus Marcus E. Jones 1882-7-17 3622 Sonoma Duncan's Mills Comment
  POM40204  Erigeron glaucus Marcus E. Jones 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
  CAS-BOT-BC295131  Erigeron greenei John Thomas Howell 1936-7-26 12669 Sonoma Between Occidental and Graton Comment
  CAS-BOT-BC300248  Erigeron reductus var. angustatus G. DeNevers 1981-6-20 1634 Sonoma Pepperwood Ranch. At the Dentist's Lake Comment
  CAS-BOT-BC300305  Erigeron supplex Mary P. Wells 1984-7-6 357 A Sonoma Site of North Fire Station. The Sea Ranch Comment
  OBI39519  Eriodictyon californicum F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-16 84 -075 Sonoma ca. 4 mi NNW of Sonoma on Caveldale rd from jctn with CA hwy 12; ca. 0.4 mi N on Cavedale rd from jctn 107 Comment
  CAS-BOT-BC259260  Eriogonum latifolium John Thomas Howell 1930-6-8 5257 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC259254  Eriogonum latifolium Mary P. Wells 1981-7-2 s.n. Sonoma Bihler's Point, The Sea Ranch Comment
  CAS-BOT-BC259267  Eriogonum latifolium Mrs. H. P. Bracelin 1930-7-27 24 Sonoma Two miles north of Bodega Bay Comment
  UCSB50229  Eriogonum latifolium Gray, John 1976-5-5 Sonoma Bluff above Carment State Beach; T6N R11W 15 Comment
  JEPS56644  Eriogonum nudum var. auriculatum W. L. Jepson 1936-8-20 17964 Sonoma nw, between Macdonald road station and Alder Springs Cloverdale Comment
  CAS-BOT-BC261696  Eriogonum nudum var. nudum Peter Rubtzoff 1951-8-26 676 Sonoma South of Guerneville (Neeley Hill area) Comment
  CAS-BOT-BC301156  Eriophyllum lanatum var. achilleoides L. R. Abrams 1916-7-4 5789 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC301163  Eriophyllum lanatum var. achilleoides L. Beane; Lois E. James 1949-5-11 1939 Sonoma 2 mi. N. of Cloverdale Comment
  CAS-BOT-BC301276  Eriophyllum lanatum var. arachnoideum Lewis S. Rose 1933-9-3 33354 Sonoma 2 miles w. of Petrified Forest Comment
  CAS-BOT-BC301297  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan's Mills Comment
  JEPS34506  Eriophyllum lanatum var. arachnoideum M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma near Guerneville Comment
  CAS-BOT-BC301290  Eriophyllum lanatum var. arachnoideum Dorothy Scherer 1996-6-3 051 Sonoma Fort Ross Rd. ca 2/3 mi. west of Seaview Rd. Fort Ross State Historic Park 426 Comment
  UCD103125  Erodium brachycarpum John Thomas Howell 1965-3-25 s.n. Sonoma Southwest of Sonoma. Comment
  CDA28601  Eryngium aristulatum G. F. Hrusa, A. Buckmann (DFG) 1996-10-5 13582 A Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Comment
  UC1307395  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1955-4-23 1773 Sonoma Bennett Mt. Lake Comment
  UC1365628  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1958-4-26 Sonoma e. Sebastopol (Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  UC21013  Eryngium aristulatum var. aristulatum Alice King Sept. 1897 Sonoma Healdsburg Comment
  RSA80397  Eryngium aristulatum var. aristulatum F. W. Peirson 1925-8-8 6337 Sonoma 6 miles south of Santa Rosa Comment
  JEPS84390  Eryngium armatum Roger Raiche 1989-6-4 90154 Sonoma n. Healdsburg (between Simi (site of winery) and the dump) Comment
  UC20997  Eryngium armatum J. W. Congdon July 1888 Sonoma Petaluma Comment
  CAS-BOT-BC54761  Erysimum franciscanum A. A. Heller; H. E. Brown 1902-5-27 5607 Sonoma Bodega Bay. Comment
  SEINET9633973 Image available Erythronium californicum Fred W. Hoffman 1947-4-20 1866 Sonoma Near Mercury, Geysers to Healdsburg. Comment
  CAS-BOT-BC133296  Erythronium helenae Elmer I. Applegate 1934-3-25 8855 Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 609 Comment
  CAS-BOT-BC403704  Eschscholzia californica Walter Knight; Irja Knight 1963-8-13 161 Sonoma Horseshoe Cove Comment
  UC10022  Eschscholzia californica Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  CAS-BOT-BC403697  Eschscholzia californica F. G. Krauss 1893-10-16 s.n. Sonoma Petaluma Valley Comment
  CAS-BOT-BC202537  Euphorbia Peter Rubtzoff 1986-9-28 9748 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  RSA0002811  Euphorbia A. A. Heller 1902-7-2 5802 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  UC469051  Eurybia radulina Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  CAS-BOT-BC310740  Euthamia occidentalis Peter Rubtzoff 1951-9-2 700 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC354322  Euthamia occidentalis Peter Rubtzoff 1960-9-17 4560 Sonoma Laguna de Santa Rosa east of Graton, between Occidentalis and Guerneville roads. Comment
  CAS-BOT-BC239726  Fabaceae Peter Rubtzoff 1974-6-2 7503 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC371449  Festuca Greg de Nevers 1998-6-10 11279 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  RSA0062816  Festuca arundinacea Greg de Nevers 1989-04 9068 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC278281  Festuca californica G. DeNevers 1982-4-18 1948 Sonoma Pepperwood Ranch. In W arm at Garrison Canyon Comment
  UCD65908  Festuca californica subsp. californica H. S. Yates 1934-4-21 3806 Sonoma Near Bodega Port. 7 Comment
  RSA123473  Festuca californica var. californica H. S. Yates 1934-4-21 s.n. Sonoma Near Bodega Port 8 Comment
  UC1023603  Festuca elmeri Mary Focht 1935-5-31 75 Sonoma Mark West Road Comment
  UC38545  Festuca idahoensis Michener and Bioletti 1893-6-10 100 Sonoma Hood's Peak Comment
  UC573696  Festuca occidentalis H. S. Yates 1936-5-16 5610 Sonoma 1 mi nw Mountain View; Sebastopol Quad. 91 Comment
  UCD151089  Festuca occidentalis James A. Neilson Jr. 1973-6-3 2960 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
  UCD66122  Festuca occidentalis P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  CAS-BOT-BC278888  Festuca occidentalis K. Wagnon 1939-5-14 195 Sonoma Near Wagnon home about five miles west of Sebastopol Comment
  CAS-BOT-BC279081  Festuca rubra G. DeNevers 1981-5-30 1348 Sonoma Pepperwood Ranch. On N side of Studio Road at base of hill, near the green Gate Comment
  CAS-BOT-BC353381  Filago Peter Rubtzoff 1971-6-23 6542 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC354075  Filago Peter Rubtzoff 1971-6-5 6520 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC304295  Filago pyramidata John Thomas Howell 1976-4-26 51595 Sonoma E of Geyserville on road to Geysers Comment
  SEINET9346830  Foeniculum vulgare John Nelson, Wnek, Richard 2000-3-7 20943 Sonoma A large patch on N edge of Hwy 116 just W of Fern Grove cabins on W side of Guerneville. AC Moore Herbarium (USCH) Univ of S. Carolina Comment
  CAS-BOT-BC457578  Fragaria vesca subsp. californica Peter Rubtzoff 1957-5-4 3304 Sonoma Border of upper part of Duncan's Mills Marsh, Sonoma County Marshes Comment
  UCD35634  Frangula californica Beecher Crampton 1959-6-16 5363 Sonoma 3 miles west of Graton. Comment
  CAS-BOT-BC218584  Fraxinus latifolia Peter Rubtzoff 1957-6-28 3394 Sonoma Duncans Mills Marsh Comment
  CDA29319  Fraxinus latifolia D. G. Kelch 2007-10-16 7 .644 Sonoma Novato. Novato Creek nr Pioneer Park. 0 Comment
  UC480631  Fritillaria affinis Carl Meyer 1928-3-3 313 Sonoma Santa Rosa Comment
  UCD168039  Fritillaria affinis James A. Neilson Jr. 1981-3-13 3992 Sonoma Mayacmas Mountains, east tributary of Hummingbird Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  UC615379  Fritillaria recurva Beryl O. Schreiber 1932-4-3 209 Sonoma e side of Mount St. Helena Mount St. Helena Comment
  UCD151094  Galium andrewsii James A. Neilson Jr. 1974-6-1 3552 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  RSA44297  Galium andrewsii E. Z. Lovegrove 1946-4-28 s.n. Sonoma Mt St Helena. Comment
  RSA264725  Galium aparine Peter Rubtzoff 1955-5-21 1862 Sonoma Forestville Marsh. Comment
  RSA264746  Galium aparine Peter Rubtzoff 1959-5-30 4068 Sonoma Freestone Marsh. Comment
  RSA276856  Galium aparine Peter Rubtzoff 1964-7-7 5395 Sonoma Duncan Mills Marsh. Comment
  SD88433  Galium aparine Darley F. Howe 1972-4-30 Sonoma South of Bodega Bay 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
  JEPS52831  Galium muricatum Lauramay T. Dempster and G. L. Stebbins 1963-10-26 3944 Sonoma 12.2 mi e Stewart's Point (on road to Geyserville) 91 Comment
  HSC100970  Galium muricatum Peter Warner 2011-5-26 209 Sonoma Cresta Ranch, (off Mark West Springs Rd. at Mark West Lodge), ~540 m South of Cresta Rd. 0 Comment
  CAS-BOT-BC371433  Galium parisiense Greg de Nevers 1997-4-22 10953 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Above Bechtel House 400 Comment
  POM367848  Galium parisiense Christopher Davidson 1977-6-20 6039 Sonoma Ca 30 miles W of Geyserville on Stewart's Point-Skaggs Springs Rd. Or 5 miles E of jct of latter with road N to Annapolis. Gravel bar and gravel bank just above it on Wheatfield Fork of Gualala River. 76 Comment
  UC28222  Galium porrigens var. porrigens W. A. Setchell 1898-3-15 Sonoma Cloverdale Comment
  UC473570  Galium porrigens var. porrigens John Thomas Howell 1930-6-8 5263 Sonoma 1 mi e Bodega Bay Comment
  JEPS6458  Galium trifidum var. pacificum Peter Rubtzoff 1951-6-7 127 Sonoma western branch of the upper marsh Pitkin Marsh (near Forestville) Comment
  HSC83435  Gamochaeta ustulata Mary M. Hektner, Cathy Hendel, , Susan Dakuzaku 1974-6-27 78 Sonoma Unit 28 Owners' Map, Sea Ranch near State Hwy. 1 Comment
  UCR279603  Gamochaeta ustulata Peter Rubtzoff 1963-6-22 5186 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  CAS-BOT-BC303494  Gamochaeta ustulata G. DeNevers 1981-5-5 946 Sonoma Hansel's cow pasture. On the trail across the driveway to the Pippindale Garden Comment
  CAS-BOT-BC303501  Gamochaeta ustulata Peter Rubtzoff 1951-7-14 453 Sonoma Pitkin Marsh, near Forestville. Between the upper and the lower marshes Comment
  RSA790994  Gamochaeta ustulata Peter Rubtzoff 1962-6-19 4923 Sonoma Occidental Marsh. Comment
  JEPS128304  Garrya elliptica Roger Raiche 2009-2-2 002 .09 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC320560  Gastridium Peter Rubtzoff 1970-8-19 6334 Sonoma On Austin Creek beach, 0.5 miles north of Cazadero. Comment
  CAS-BOT-BC278684  Gastridium phleoides G. DeNevers 1981-5-26 1329 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  CAS-BOT-BC278693  Gastridium phleoides Peter Rubtzoff 1961-8-22 4692 Sonoma Fife Creek Marsh Comment
  SEINET4571745  Gastridium phleoides L. Koch 1940-4-22 837 Sonoma Grassy hills above Sulfur Creek Geysers Comment
  UC50492  Gastridium ventricosum A. B. Leckenby June 1896 Sonoma Petaluma Comment
  CDA21217  Gaudinia fragilis J. Valerius, D. Lake 2002-6-25 s.n. Sonoma Cloverdale; scraped area NW of intersection of Asti Road and South Cloverdale exit ramp from Hwy 101. 0 Comment
  CHSC63908  Gaultheria shallon John Hale 1990-4-10 20 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
  POM316490  Gaultheria shallon Patricia Wilder 1965-6-10 3651 Sonoma Seaview road, ca. 1 miles north of junction with Fort Ross road. 549 Comment
  UCD105744  Genista monspessulana G. H. Vansell 1933-7-24 s.n. Sonoma Russian River. Comment
  SD88311  Geranium core-core Darley F. Howe 1972-5-3 Sonoma Ocean bluff 2.5 miles north of Jenner Comment
  SEINET7067347  Gilia capitata A. G. Vestal 1947-5-16 s.n. Sonoma About 4.8 miles east of Windsor and northwest of Mark West Springs. Coordinate datum: NAD27. UTM Zone 10, 523072mE, 4267195mN. Comment
  UC907876  Gilia capitata subsp. capitata Thomas Morley 1946-5-19 592 Sonoma on road to Graton about 2 1/2 mi ne Occidental; ne of Occidental on rd to Graton 167 Comment
  POM179724  Gilia capitata subsp. chamissonis J. T. Howell 1930-6-8 5272 Sonoma North end of Bodega Bay. Comment
  RSA83126  Gilia capitata subsp. chamissonis Verne Grant, Alva Grant 1948-7-7 8598 Sonoma Near Hwy 1, 11 miles north of Bodega Comment
  UC133787  Gilia millefoliata Alice Eastwood Sonoma Bodega Point Comment
  UC124891  Gilia tricolor subsp. tricolor Katharine Brandegee May 1890 Sonoma Mt. St. Helena Comment
  JEPS78761  Githopsis specularioides L. R. Heckard with Michael Morris 1976-4-26 4231 Sonoma n of Guerneville (along n side of Gilman Creek, near road running nw of Vista Point and Redwood Lake (ca 0.75 mi from there)); Armstrong Redwoods State Park, Gilman Creek 182 Comment
  RSA178003  Githopsis specularioides R. F. Thorne 1965-4-19 34292 -a Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  RSA79053  Githopsis specularioides E. K. Balls, Lee W. Lenz 1952-5-8 17113 Sonoma 0.4 mi s. of Franz Valley Road along road from Mark West Springs to Kellogg 107 Comment
  SEINET10972190  Githopsis specularioides A. Arthur Heller, H. E. Brown 1902-4-16 Heller 5308 Sonoma Fields east of Santa Rosa Comment
  CAS-BOT-BC227652  Glyceria Peter Rubtzoff 1964-6-24 5379 Sonoma Coleman Marsh. Comment
  UCD166292  Glyceria declinata Peter Rubtzoff 1966-5-7 5707 Sonoma North side of Hessel Road, just west of Hwy. 116. Comment
  UCD66769  Glyceria declinata Collector Unknown 1982-5-21 Sonoma Sonoma County. Comment
  UC1026485  Glyceria elata Peter Rubtzoff 1951-6-10 204 Sonoma near Forestville (Pitkin Marsh, s of the Upper Marsh); Pitkin Marsh Comment
  RSA786496  Glyceria leptostachya Peter Rubtzoff 1969-7-5 6109 Sonoma 5.25 mi NE of Penngrove, near Lichan Road. Comment
  UCR282047  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5379 Sonoma Coleman Marsh 269 Comment
  CAS-BOT-BC282805  Glyceria leptostachya A. A. Heller 1902-5-24 5606 Sonoma Near Sonoma Comment
  HSC100882  Glyceria leptostachya Peter Warner 2011-8-18 232 Sonoma Pitkin Marsh, ~1.5 mi. SE of Forestville, lower marsh in channel, ~50 m S of N edge of parcel, below off-site water impoundment. 42 Comment
  UCR244673  Glyceria occidentalis Peter Rubtzoff 1968-8-24 5935 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC173576  Gnaphalium Peter Rubtzoff 1968-8-18 5931 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC166683  Gnaphalium chilense Peter Rubtzoff 1951-8-26 685 Sonoma Along road from East Guernewood to Vacation Beach. Comment
  RSA790989  Gnaphalium chilense Peter Rubtzoff 1974-8-4 7796 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC166783  Gnaphalium palustre Peter Rubtzoff 1954-7-3 1515 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC166794  Gnaphalium palustre Peter Rubtzoff 1958-7-5 3727 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC302683  Gnaphalium palustre Peter Rubtzoff 1951-8-19 655 Sonoma Pitkin Marsh, near Forestville. Just north of the Lower Marsh Comment
  UC32020  Gnaphalium palustre F. T. Bioletti Jul 1891 Sonoma Comment
  CAS-BOT-BC164669  Gnaphalium purpureum Peter Rubtzoff 1960-5-22 4413 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC164670  Gnaphalium purpureum Peter Rubtzoff 1953-5-17 1399 Sonoma Forested hills south of Guerneville (Neeley Hill area). Comment
  UCD148466  Grindelia camporum Peter Rubtzoff 1963-7-14 5205 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  CAS-BOT-BC305176  Grindelia hirsutula John Thomas Howell 1930-6-8 5223 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CAS-BOT-BC305186  Grindelia hirsutula John Thomas Howell 1930-6-8 5256 Sonoma 1 mile east of Bodega Bay Comment
  UC75917  Grindelia hirsutula Miss M. Alice King May 1897 Sonoma near Healdsburg Comment
  CDA20573  Grindelia stricta R. Breckenridge, Vernon 2005-8-2 PDR 1351652 Sonoma North Coast; Hwy 1 near Ft Ross. 0 Comment
  CDA6169  Grindelia stricta T. Dowd, M. Smith 1979-6-2 Sonoma Dutcher Creek Road south of Cloverdale, west of Russian River. 0 Comment
  CAS-BOT-BC376295  Habenaria Greg de Nevers 1996-3-4 10785 Sonoma Field redacted by CAS, contact the data manager for more information 487 Comment
  SEINET11689070  Hainardia cylindrica H. K. Wagnon 1989-1 1895 Sonoma Spring Lake Park & environs, adjacent to Montgomery Drive, trail at entrance to Annadel Park 67 Comment
  CDA34789  Hedera helix Peter Warner 2010-3-1 110 Sonoma State Hwy 1 at 6.77 mile marker, west of junction of Bay Hill Rd. between road and Cheney Gulch Creek. Comment
  RSA71062  Helenium bigelovii L. S. Rose 1951-6-7 51014 Sonoma Pitkin Marsh, 5 miles N of Sebastopol. Comment
  UC1032155  Helenium bigelovii H. S. Yates 1936-5-16 5598 Sonoma 2 mi se Forestville (Pittsin Marsh <from dip>); Sebastopol Quadrangle Comment
  UC353800  Helenium bigelovii Milo S. Baker 1928-4-28 3001 b Sonoma Pitkin Swamp Comment
  CAS-BOT-BC262976  Helenium puberulum Peter Rubtzoff 1957-8-18 3524 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  SEINET11842951  Helianthella californica F. H. Utech 1986-1 86 -113 Sonoma ca 5 mi NE on Cavedale Road from junction with CA 12 500 Comment
  UCD151000  Helianthella californica D. S. Park; S. Nicole 2010-5-11 79 Sonoma Bodega hwy. Comment
  CAS-BOT-BC305369  Helianthus annuus Walter Knight; Irja Knight 1963-10-11 344 Sonoma Cotati near Gravenstein Highway Jct Comment
  SEINET13095112  Heliotropium oculatum A. A. Heller 1902-7-8 5813 Sonoma Bank of Russian river at Healdsburg. Comment
  SEINET1782495  Heliotropium oculatum A. A. Heller 1902-7-8 5813 Sonoma Russian river at Healdsburg. Comment
  CAS-BOT-BC173586  Hemizonia Peter Rubtzoff 1966-8-18 5791 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC258927  Hemizonia Peter Rubtzoff 1959-9-12 4263 Sonoma Willow Creek Marsh. Comment
  UC1199370  Hemizonia congesta Joseph P. Tracy 1933-9-9 13071 Sonoma Santa Rosa North Coast Ranges, Santa Rosa 60 Comment
  CAS-BOT-BC306165  Hemizonia congesta subsp. clevelandii L. R. Abrams 1916-7-4 5785 Sonoma Road between Petrified Forest and Mark West Comment
  UC990631  Hemizonia congesta subsp. clevelandii James I. McMurphy 1909-7-10 502 Sonoma hills near Cloverdale Comment
  CAS-BOT-BC306162  Hemizonia congesta subsp. clevelandii Lewis S. Rose 1933-9-3 33352 Sonoma 4 mi. W. Petrified Forest Comment
  CAS-BOT-BC306217  Hemizonia congesta subsp. congesta H. M. Hall 1931-5-26 13082 Sonoma El Verano Comment
  CAS-BOT-BC306224  Hemizonia congesta subsp. congesta John Thomas Howell 1945-8-14 21408 Sonoma Perry Marsh Comment
  JEPS54474  Hemizonia congesta subsp. congesta Rimo Bacigalupi and L. R. Heckard, and Peter Rubtzoff 1967-8-30 9315 Sonoma Pitkin Marsh 53 Comment
  SD53396  Hemizonia congesta subsp. congesta Darley F. Howe 1962-7-29 3364 Sonoma 4.3 miles north of Jenner on Highway 1. Comment
  SEINET7067333  Hemizonia congesta subsp. congesta A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles East of Windsor on Faught Road. Coordinate datum: NAD27. UTM Zone 10, 521654mE, 4261292mN. Comment
  UC134571  Hemizonia congesta subsp. congesta Katharine Brandegee 1905-6-1 Sonoma between Santa Rosa and Sebastopol Comment
Read comments
Jun 26 2010
  UCD132982  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-4-25 1037 Sonoma approximately 1/4 mile north of Arata Lane and between Hwy 101 and Old Redwood Highway. Comment
  CAS-BOT-BC309690  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station, between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC309697  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-8 701 b Sonoma Leddy Station between Santa Rosa and Sebastopol Comment
  SD88511  Hemizonia congesta subsp. lutescens Darley F. Howe 1972-6-28 4844 Sonoma 4.5 miles north of Jenner. Comment
Read comments
May 24 2013
  UC523538  Hemizonia congesta subsp. lutescens David D. Keck 1933-11-6 2652 Sonoma 0.5 mi s Jenner Comment
  UC990603  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-7-10 504 Sonoma 4 mi nw Cloverdale; Boonville Comment
  UCR233074  Hemizonia congesta subsp. lutescens Ann Howald 2011-8-30 2808 Sonoma North Coast Ranges, eastern Petaluma Valley, Manor Lane, 0.5 mi. north of intersection with Old Adobe Rd. 75 Comment
  CAS-BOT-BC309704  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-23 10243 Sonoma 7 1/2 mi. n.w. of Petaluma Comment
  CAS-BOT-BC309719  Hemizonia congesta subsp. lutescens H. M. Hall 1931-5-28 13104 Sonoma Bodega Bay Comment
  CAS-BOT-BC309721  Hemizonia congesta subsp. lutescens J. Clausen 1932-9-20 719 Sonoma South of Santa Rosa Comment
  CAS-BOT-BC309733  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-1 5718 Sonoma Halfway up Meeker Grade Comment
  UC1518544  Hemizonia congesta subsp. lutescens Craig D. Thomsen 1976-6-27 247 Sonoma watershed of Estero de San Antonio Estero De San Antonio Comment
  UC295871  Hemizonia congesta subsp. lutescens H. M. Hall 1924-8-13 12101 Sonoma 4 km s Santa Rosa (along road to Petaluma) Comment
  CAS-BOT-BC309939  Hemizonia congesta subsp. luzulifolia Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4755 Sonoma The Cedars, near Cazadero on Twitchell Ranch 228 Comment
  CAS-BOT-BC309950  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1910-6-8 s.n. Sonoma Valley across hills from Petaluma Comment
  CAS-BOT-BC309957  Hemizonia congesta subsp. luzulifolia L. R. Abrams 1907-8-1 s.n. Sonoma Santa Rosa Comment
  SD239596  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. 328 Comment
  SD243093  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2807 Sonoma North Coast Ranges: Sonoma Valley, Felder Creek drainage, west side of Macabee Road, 0.2 mile north of Felder Road, west of Arnold Drive (Sonoma 7.5'Q) 34 Comment
  CAS-BOT-BC309964  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-8-8 706 Sonoma Sonoma Comment
  CDA6976  Hemizonia corymbosa T. C. Fuller 1981-9-9 20386 Sonoma Bodega Harbor subdivision just south of Bodega Bay. 0 Comment
  RSA293431  Hemizonia lutescens Reino Alava 1958-5-24 2061 Sonoma About 4 miles east of Occidental Comment
  RSA81677  Hemizonia parryi subsp. parryi James I. McMurphy 1909-8-7 697 Sonoma Calistoga Warm Springs. Comment
  RSA81602  Hemizonia pungens subsp. pungens James I. McMurphy 1909-8-9 712 Sonoma Hills between Sonoma and Petaluma. Comment
  CDA38362  Heracleum lanatum T. C. Fuller 1957-9-16 414 -57 Sonoma Jenner. 0 Comment
  UCR256284  Hesperevax sparsiflora Peter Rubtzoff 1974-5-26 7490 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  HSC39061  Hesperocyparis macnabiana Gary S. Lester 1974-2-9 68 Sonoma Along Trinity Rd. 549 Comment
  JEPS18146  Hesperolinon micranthum Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5669 Sonoma vicinity of The Cedars (near Layton Chromite Mine); headwaters of Big Austin Creek 266 Comment
  JEPS27962  Hesperolinon spergulinum Rimo Bacigalupi and L. R. Heckard 1961-6-9 7745 Sonoma along Stoetz Lane about 1/2 mi nw junction with Harrison Grade road (about 3/4 mi nw of Occidental School) 228 Comment
  JEPS82315  Hesperolinon spergulinum Roger Raiche 1983-6-19 30411 Sonoma The Cedars; slopes of Red Slide Creek 243 Comment
  UC1212388  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-18 4133 Sonoma 1 mi s Pine Flat; Inner North Coast Ranges, Mayacamas Mountains 609 Comment
  RSA151802  Hesperolinon spergulinum H. K. Sharsmith 1952-6-18 4133 Sonoma One mile south of Pine Flat, Mayacamas Mountains. 610 Comment
  UCD113310  Heteromeles arbutifolia Jennifer Bury; Peggy Herzog 1993-5-8 257 Sonoma About air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. On south-facing rocky slope, 25 feet above parking lot, just off of Lower Bald Mountain Trail. 379 Comment
  UCR255677  Heterotheca sessiliflora Greg de Nevers 1996-10-20 10890 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 488 Comment
  CAS-BOT-BC424437  Heuchera pilosissima A. A. Heller 1938-5-14 15085 Sonoma Steep slope of a canyon near Bodega Bay Comment
  RSA0062988  Heuchera pilosissima Joseph A. Ewan 1935-5-13 9208 Sonoma Bodega Bay Rd. 2 miles W of Bodega. Comment
  SBBG2695  Heuchera pilosissima H. and M. Dearing 1939-5-14 3368 Sonoma N of Fort Ross 91 Comment
  RSA178030  Hierochloe occidentalis R. F. Thorne 1965-4-19 34316 Sonoma 1/2 mile from Green Valley Road 152 Comment
  RSA0009726  Hoita macrostachya Marcus E. Jones 1931-7-5 28969 Sonoma West of Cloverdale. Comment
  RSA168911  Hoita macrostachya Joseph P. Tracy 1951-7-28 19628 Sonoma In Alexander Valley, 5 miles east of Geyserville. Comment
  UCD105878  Hoita macrostachya E. M. Loeb 1930-7-1 s.n. Sonoma Wappo Indians, Redwood Highway, 1 1/2 miles below Healdsburg. Dept. of Anthropology. Comment
  CAS-BOT-BC280803  Holcus lanatus Marcus E. Jones 1882-7-18 3546 Sonoma Duncan's Mills Comment
  UCR244754  Holocarpha macradenia Peter Rubtzoff 1963-8-24 5245 Sonoma 2.5 miles north of Sebastopol 73 Comment
  UC990598  Holocarpha virgata subsp. virgata James I. McMurphy 1906-7-17 Sonoma Fulton Comment
  POM139965  Holodiscus discolor M. S. Baker 1898-06 607 Sonoma Near Sebastopol. Comment
  UCD160857  Holodiscus discolor James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3267 Sonoma Mayacmas Mountains, ca, 1/2 mile south of 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-BC152392  Holodiscus discolor var. discolor G. DeNevers 1981-5-26 1325 Sonoma Near Phillips House, Pepperwood Ranch Comment
  RSA0026176  Holodiscus dumosus Barbara Ertter, Roger Raiche, J. R. Shevock, R. Bittman 1994-6-23 12850 Sonoma The Cedars' serpentine area at head of Big Austin Creek N of Cazadero, ca. 20 air miles due W of Healdsburg. South branch of creek. Comment
  CAS-BOT-BC315808  Holozonia filipes Greg de Nevers 1996-7-2 10854 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 487 Comment
  HSC90904  Holozonia filipes Rimo Bacigalupi, Peter Rubtzoff 1976-8-6 Sonoma Knights Valley; off S side of Bavarian Lion Company ranch road (between it and a creek), 1-1.5 mi. W of its junction with Franz Vally Rd. (0.4 mi. S of Hwy. 128) Comment
  UCD85485  Hordeum brachyantherum Collector unknown 1941-3-1 s.n. Sonoma Santa Rosa Junior College. Comment
  CAS-BOT-BC289288  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1958-8-9 3822 Sonoma Laguna de Santa Rosa north of Sebastapol, near Occidental Road Comment
  UCD21129  Hordeum brachyantherum subsp. brachyantherum Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 304 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  UCD85524  Hordeum brachyantherum subsp. californicum Beecher Crampton 1957-5-16 4036 Sonoma 3 miles SW of Cloverdale, Hot Springs Road. Comment
  UCD85530  Hordeum brachyantherum subsp. californicum Roxana S. Ferris; Laura Lorraine 1961-6-14 13545 Sonoma Junction of Occidental Road with Facendini Lane. Comment
  CAS-BOT-BC285193  Hordeum marinum subsp. gussoneanum Peter Rubtzoff 1955-5-21 1865 Sonoma Forestville Marsh Comment
  HSC10197  Hordeum murinum subsp. leporinum S. N. Wiemeyer 1962-1-29 7 Sonoma 3/4 mi. E of County Hospital along Chanate Rd. 122 Comment
  CAS-BOT-BC282023  Hordeum murinum subsp. leporinum David L. Morgan 1956-4-8 s.n. Sonoma 4 miles W of Sebastopol, at junction of Burnside and Gold Ridge Roads Comment
  UCR20670  Horkelia californica John C. Roos 1950-7-22 4870 Sonoma North Coast, Jenner, slopes above sea bluffs 61 Comment
  CAS-BOT-BC536158  Horkelia californica John Thomas Howell 1930-7-27 5389 Sonoma Fort Ross Comment
  SD56711  Horkelia californica Darley F. Howe 1963-8-1 Sonoma 2.2 mi. no. of Jenner on #1 Comment
  SDSU9065  Horkelia californica D. F. Howe 1963-8-1 3653 Sonoma 2.2 miles north of Jenner on #1. Comment
  JEPS97512  Horkelia tenuiloba Dean Schlichting 2000-5-31 Sonoma 1/2 mi E of Annapolis Comment
  JEPS40568  Horkelia tenuiloba E. Crum 1931-5-1 1091 Sonoma near Sebastopol School Comment
  UCD160894  Hosackia crassifolia James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3273 Sonoma Mayacmas Mountains, Caldwell Pines area, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SD88314  Hosackia gracilis Darley F. Howe 1972-5-4 Sonoma 6.0 miles east of Highway 1 on road to Annapolis. Comment
  CDA1446  Hydrilla verticillata Brad Oliver 1984-9-2 Sonoma Spring Lake Park, Santa Rosa. 0 Comment
  CAS-BOT-BC400999  Hypericum anagalloides Peter Rubtzoff 1955-7-9 1920 Sonoma Forestville Marsh Comment
  CAS-BOT-BC410823  Hypericum concinnum F. G. Krauss 1894-5-1 s.n. Sonoma Mountains W of Calistoga Comment
  UCD110355  Hypericum concinnum Frederica Bowcutt 1994-6-24 1884 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. 396 Comment
  CAS-BOT-BC401289  Hypericum perforatum Mary P. Wells 1984-5-24 272 Sonoma Annadel State Park, Santa Rosa Comment
  UCD160833  Hypericum perforatum subsp. perforatum James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3355 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC316683  Hypochaeris glabra G. DeNevers 1981-5-9 1061 A Sonoma Below the Strebel Homestead, Pepperwood Ranch Comment
  UC1069664  Hypochaeris radicata H. S. Yates 1934-4-21 3777 Sonoma near Bodega; Sebastopol Quad. Comment
  CAS-BOT-BC316718  Hypochaeris radicata Walter Knight; Irja Knight 1963-12-28 479 Sonoma Bodega Head Comment
  SBBG8489  Hypochaeris radicata H. and M. Dearing 1939-4-29 3224 Sonoma 4 mi N of San Rafael Comment
  HSC13851  Iris douglasiana H. E. Parks, S. T. Parks 1930-5-9 619 Sonoma Head of Alexander Valley Comment
  HSC13855  Iris douglasiana James Faro 1962-4-14 20 Sonoma Salt Point Ranch, 5 mi. N of Fort Ross on Hwy. 1 Comment
  UCD138709  Iris douglasiana R. H. Miller 1949-4-6 15 Sonoma along coast Highway 1, about 5 miles south of Jenner/ Comment
  JEPS17338  Iris fernaldii W. L. Jepson 1893-4-25 Sonoma w of St. Helena (Caux's Knob); Hoods Peak Range, Caux's Knob Comment
  RSA137406  Iris fernaldii Lee W. Lenz 1952-5-8 17106 Sonoma Near junction of road from Calistoga to Santa Rosa with that to Mark West Springs Comment
  CAS-BOT-BC133679  Iris longipetala Peter Rubtzoff 1965-5-16 5529 Sonoma 6 mi. northeast of Penngrove on Lichau Rd. 335 Comment
  UC972202  Iris longipetala J. Harry Goff 1935-4-25 Sonoma Kenwood; Goff Ranch Comment
  RSA135848  Iris macrosiphon E. K. Balls, Lee W. Lenz 1951-5-10 16537 Sonoma 0.7 miles south of Mendocino-Sonoma County line on Highway 28 Comment
  UCSC000157  Iris macrosiphon Carl Meyer 1928-3-4 326 Sonoma Comment
  CAS-BOT-BC376226  Isoetes Greg de Nevers 1993-2-14 10312 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Bald Hills 304 Comment
  JEPS52323  Isoetes howellii Wayne Roderick April, 1965 Sonoma e. Cotati (on Rivers Ranch, Sonoma Mts.); Sonoma Mts., Rivers Ranch 304 Comment
  CAS-BOT-BC112572  Isolepis cernua Peter Rubtzoff 1954-8-10 1678 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC112575  Isolepis cernua Peter Rubtzoff 1954-7-26 1560 Sonoma Lower Salmon Creek Marsh. Comment
  CHSC91622  Isolepis cernua G. F. Hrusa 2000-11-13 15718 Sonoma Northern California. At base of ocean bluff. Kortum trail head to Goat Rock. Comment
  SEINET4170787 Image available Isolepis cernua W. L. Jepson 1931-7-19 15945 Sonoma Just north of Salmon Creek Comment
  CAS-BOT-BC340229  Jaumea carnosa Milo S. Baker 1936-4-1 8214 Sonoma Near mouth of Salmon Cr. Comment
  SEINET265720  Juglans californica Royal D. Suttkus 1967-6-25 67- 28 -1 Sonoma Russian River 1 mi E of Alexander Comment
  CAS-BOT-BC164383  Juncus balticus subsp. ater Peter Rubtzoff 1970-5-16 6225 Sonoma Sonoma: Five miles north of Sears Point Comment
  SEINET3877389  Juncus bolanderi Kaye H. Thorne 1984-11-21 3657 Sonoma Sea Ranch, 2.5 mi S Gualala, stabilized coast dunes old sheep ranch.; 0 Comment
  SD40344  Juncus bufonius Edith A. Purer 1932-7-24 4083 Sonoma Near Bodega Bay, stabilized dunes. Comment
  RSA94318  Juncus bufonius var. bufonius Peter Rubtzoff 1951-7-14 445 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  CAS-BOT-BC368096  Juncus capitatus Greg de Nevers 1998-5-5 11232 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  UCD164103  Juncus dubius Peter Rubtzoff; Nancy Harrison 1978-5-20 9187 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC164038  Juncus effusus Peter Rubtzoff 1970-8-19 6337 Sonoma Sonoma: Austin Creek bank, 0.5 mi. north of Cazadero Comment
  CAS-BOT-BC157984  Juncus effusus subsp. pacificus Peter Rubtzoff 1959-6-20 4177 Sonoma Willow Creek Marsh Comment
  CDA42414  Juncus effusus subsp. pacificus D. G. Kelch 2012-5-2 12 .068 Sonoma Dry Creek Valley; near Preston Organic Winery along tributary of Dry Creek. Comment
  SEINET5586469  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-1 5920 Sonoma Upper Salmon Creek Marsh. Comment
  UCD141504  Juncus effusus subsp. pacificus Frederica Bowcutt 1984-6-23 427 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along the Sonoma County coast. Immediately SW of park entrance, West of Highway 1 and NW of Gerstle Cove along park road. 30 Comment
  UCR244633  Juncus hesperius Peter Rubtzoff 1968-7-13 5919 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC173634  Juncus kelloggii Peter Rubtzoff 1972-4-23 6732 Sonoma Vernal pool, 4.25 mi. W of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC322118  Juncus lescurii Peter Rubtzoff 1961-8-6 4676 Sonoma Americans Creek, 0.5 mi. east of Valley Ford. Comment
  SEINET6744753 Image available Juncus lescurii S. Saufferer 1973-5-24 218 Sonoma Bodega Bay. Comment
  RSA94317  Juncus mexicanus Peter Rubtzoff 1951-9-2 717 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh. Comment
  UCD161770  Juncus nevadensis James A Neilson Jr. 1976-5-10 s.n. Sonoma Mayacmas Mountains. Aidlin-Gouvea Leasehold. (Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA94073  Juncus orthophyllus J. T. Howell 1945-7-18 21329 Sonoma Pitkin Marsh Comment
  UCD141758  Juncus patens Mary M. Hektner 1976-8-26 266 Sonoma Unit 28 Owner;s Map, Sea Ranch, near State Highway 1. Comment
  CDA39262  Juncus phaeocephalus T. C. Fuller & D. L. Bristow 1957-12-17 s.n. Sonoma Horn Ave., south of Santa Rosa. 0 Comment
  CAS-BOT-BC173519  Juncus xiphioides Peter Rubtzoff; Nancy Harrison 1974-9-7 7871 Sonoma Hinebaugh Creek in Rohnert Park. Creek bed, west of Commerce Blvd. crossing Comment
  CAS-BOT-BC488338  Keckiella corymbosa James A. Neilson, Jr. 1974-7-10 2824 Sonoma Mayacmas Mountains, W of Cobb Mountain, along road to PG&E geothermal units 9 and 10, eastern Sonoma Co. 960 Comment
  CAS-BOT-BC235869  Keckiella corymbosa W. W. Carruth 1900-7-1 s.n. Sonoma Russian River near Cloverdale Comment
  UC1585377  Keckiella corymbosa R. Raiche, K. Zadnik, and H. Forbes 1889-10-1 UCBG 2 Sonoma Botanical Garden; Univ. of Calif., Berkeley Comment
  CAS-BOT-BC311841  Kickxia Peter Rubtzoff 1969-8-14 6128 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  RSA0023016  Kickxia Peter Rubtzoff 1973-8-20 7228 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UC1132153  Koeleria macrantha H. S. Yates 1937-5-3 6561 Sonoma 1 1/2 mi wnw Mark West Springs; Calistoga Quadrangle Comment
  UC1019891  Koeleria macrantha Milo S. Baker June 1945 10923 Sonoma opposite house at Maplewood Adobe Canyon Comment
  CAS-BOT-BC273782  Koeleria pyramidata John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53998 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-BC273785  Koeleria pyramidata G. DeNevers 1981-5-9 1045 Sonoma Pepperwood Ranch. Along the road cut above the Strebel Homestead Comment
  CAS-BOT-BC273791  Koeleria pyramidata Peter Rubtzoff 1952-6-11 1250 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC340487  Lactuca saligna Walter Knight; Irja Knight 1963-8-30 184 Sonoma On Kentucky St between Prospect & Oak Sts. - Petaluma Comment
  UC1299463  Lactuca saligna Freed W. Hoffman 1946-8-23 797 Sonoma Comment
  CAS-BOT-BC341708  Lagophylla ramosissima G. DeNevers 1981-6-26 1667 B Sonoma Pepperwood Ranch. In Garrison Canyon Comment
  CAS-BOT-BC274315  Lagurus ovatus David D. Keck 1948-6-29 5927 Sonoma Fort Ross, at the chapel 30 Comment
  UC790934  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mi N of Steward Pt Comment
  UCD63258  Lagurus ovatus P. G. Connors 1991-5-23 109 Sonoma University of California Bodega Marine Laboratory, beside Westside Rd., near Westside Park. Comment
  SEINET11687493  Lamarckia aurea I. Knight, Knight, W.; Edwards, S. 1986-1 5326 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Road 853 Comment
  CAS-BOT-BC486685  Lamiaceae Peter Rubtzoff 1957-6-28 3374 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC486691  Lamiaceae Peter Rubtzoff 1974-5-25 7452 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC490425  Lamiaceae Peter Rubtzoff 1971-6-25 6566 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing Comment
  JEPS86815  Lamium purpureum Jack and Betty Guggolz 1991-5-14 1133 Sonoma s of Lone Pine Road (w of Hwy 116) 27 Comment
  JEPS83498  Lasthenia burkei Jack and Betty Guggolz 1986-5-7 866 Sonoma Carinalli property; pastureland near the far w end Comment
  JEPS86736  Lasthenia burkei Jack and Betty Guggolz 1990-4-25 1035 Sonoma 1.5 mi n Simi Winery (s of Lytton Road and w of Lytton Creek) 51 Comment
  JEPS86747  Lasthenia burkei Jack and Betty Guggolz 1990-4-6 1028 Sonoma 1.25 mi nw old Windsor (just n of Promenade Lane and e of Herb Lane) 45 Comment
  UC1594207  Lasthenia burkei L. Huntington 1990-5-4 255 Sonoma n side of Laguna de Santa Rosa; Sebastapol 18 Comment
  RSA0008548  Lasthenia burkei Peter Rubtzoff 1963-6-6 5165 Sonoma Laguna de Santa Rosa, east of Graton Comment
  RSA59636  Lasthenia californica Verne Grant, Alva Grant 1950-4-24 8875 Sonoma Summit of road between Santa Rosa and Calistoga in Hood Mt. Range. Comment
  LA102440  Lasthenia californica subsp. macrantha John C. Roos; 1950-7-22 4867 Sonoma Jenner 30 Comment
  CAS-BOT-BC355536  Lasthenia glaberrima J. Penalosa 1961-5-24 1601 Sonoma Upper Stemple Creek Marsh Comment
  CAS-BOT-BC355529  Lasthenia glaberrima Peter Rubtzoff 1965-5-8 5525 Sonoma Laguna Santa Rosa area east of Cunningham, nr, Llano Road. Comment
  CAS-BOT-BC370896  Lasthenia minor J. Clausen 1935-5-24 1084 Sonoma 5 mi. S. of Jenner, close to ocean between grass. Comment
  CAS-BOT-BC370900  Lasthenia minor Peter Rubtzoff 1960-5-18 4385 Sonoma Bodega Head Marsh. Comment
  UC135327  Lasthenia minor Katharine Brandegee 1905-6-1 Sonoma Bodega Comment
  UCD106203  Lathyrus cicera Botany 102 Students 1993-4-17 42 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, and 18 air miles NW of Napa. About 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge. SE of Red Mountain about 1 air mile. Near group campground. 365 Comment
  UCD106230  Lathyrus hirsutus T. C. Fuller 1969-10-1 18964 Sonoma N. and S. of Santa Rosa, Rohnert Park. Comment
  UCR218646  Lathyrus latifolius George K. Helmkamp, E. A. Helmkamp 2010-6-4 16211 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
  UCR255451  Lathyrus palustris Ann Howald 2014-5-16 3004 Sonoma North Coast, lowest coastal terrace, c. 1.5 mi southeast of Del Mar Point 21 Comment
  CAS-BOT-BC376424  Lathyrus sphaericus Greg de Nevers 1993-4-26 10404 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Road by Mountain House entrance. 400 Comment
  RSA0060103  Lathyrus sphaericus Greg de Nevers 1993-4-26 10404 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Road by Mountain House entrance. 100 Comment
  UCD33238  Lathyrus tingitanus Beecher Crampton 1967-5-15 7934 Sonoma Sonoma County, 1 mile N.E. of Cloverdale, US Hwy. 101. Comment
  SJSU8331  Lathyrus torreyi G. J. Woodside 1969-4-29 Sonoma Dutton Bill Cr, 4 mi above Camp Meeker Comment
  UCR222530  Lathyrus vestitus var. ochropetalus George K. Helmkamp, E. A. Helmkamp 2010-6-5 16247 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-BC323230  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-BC323259  Layia chrysanthemoides Alice Eastwood 1921-5-8 10447 Sonoma Petaluma Comment
  CAS-BOT-BC323237  Layia chrysanthemoides John Thomas Howell 1931-4-1 6036 Sonoma 9 miles SW of Sonoma on road to San Rafael. Comment
  HSC103521  Layia chrysanthemoides Thomas W. Nelson, Jane Nelson 1981-5-3 6469 Sonoma Along Presseley Rd., ~ 3 mi. N of junction with Roberts Rd. Comment
  POM53346  Layia chrysanthemoides A. A. Heller, H. E. Brown 1902-4-23 5355 Sonoma Near Sonoma. Comment
  RSA785922  Layia chrysanthemoides Peter Rubtzoff 1966-5-29 5730 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCSB21086  Layia chrysanthemoides McCarthy, Sharon 1965-4-17 Sonoma At corner of 5th St. West and Mac Arthur St., Sonoma 25 Comment
  CAS-BOT-BC184131  Leersia Peter Rubtzoff 1970-9-2 6358 Sonoma Russian River bottom at Mirabel Park Comment
  UCD166258  Lemna Peter Rubtzoff 1970-8-18 6315 Sonoma 5 miles north of Sears Point. 11 Comment
  UCD166420  Lemna Peter Rubtzoff 1965-11-9 5667 A Sonoma Laguna de Santa Rosa area, E of Graton (btwn. Occidental and Guerneville Roads). Comment
  CAS-BOT-BC210109  Lemna Peter Rubtzoff 1970-6-21 6273 Sonoma Tributary of Mark West Creek, ca. 3 mi. W of Fulton. Comment
  UCD166332  Lemna Peter Rubtzoff 1968-6-25 5910 Sonoma Lichan Marsh. Comment
  RSA785223  Lemna gibba Peter Rubtzoff 1969-7-5 6106 Sonoma 5.25 mi NE of Penngrove, near Lichan Road. Comment
  CAS-BOT-BC534368  Lemna minor Greg de Nevers 1992-6-26 10205 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road along Franz Creek 91 Comment
  CAS-BOT-BC527276  Lemna minuta Peter Rubtzoff 1951-7-28 542 Sonoma Southern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC527286  Lemna minuta Peter Rubtzoff 1964-8-20 5467 Sonoma One mile southeast of jenner near crossing of Hwys. 1 and 12 Comment
  CAS-BOT-BC210097  Lemna valdiviana Peter Rubtzoff 1969-7-5 6105 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road Comment
  UCR256274  Lemna valdiviana Peter Rubtzoff 1954-7-29 1603 Sonoma Guerneville Marsh Comment
  UCR256958  Lemna valdiviana Peter Rubtzoff 1958-8-23 3899 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  CAS-BOT-BC173651  Lepidium Peter Rubtzoff 1964-6-24 5377 Sonoma Coleman Marsh, along Salmon Creek Comment
  CAS-BOT-BC88691  Lepidium acutidens Rimo Bacigalupi 1926-3-27 1255 Sonoma Opposite Myrtledale Geyser 1.5 miles north of Calistoga. Comment
  SJSU8213  Lepidium latifolium W. Savage 1976-7-9 1083 Sonoma marsh between Northwestern R.R. tracks & former channel of Petaluma R, Schultz Slough 1 Comment
  UCD115703  Lepidium latifolium Walter Knight 1963-8-9 s.n. Sonoma Petaluma city limits sign on highway to Lakeville. Comment
  CAS-BOT-BC273996  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1958-9-27 4006 Sonoma Laguna de Santa Rosa NE of Graton 1/2 mile N of Guerneville Road Comment
  RSA262193  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-9-2 6354 Sonoma Russian River bottom at Mirabel Park. Comment
  CAS-BOT-BC226542  Leptosiphon acicularis Annie F. Rodda 1929-5-6 s.n. Sonoma Fort Ross Comment
  CAS-BOT-BC226545  Leptosiphon acicularis Alice Eastwood 1921-4-24 10366 Sonoma Santa Rosa Comment
  SEINET14160629  Leptosiphon androsaceus H. S. Yates 1934-1 3847 Sonoma 2 miles south of Mark West. Comment
  CHSC40733  Leptosiphon ciliatus H. N. Bolander 1866-1-1 Sonoma Russian River Valley. 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
  CAS-BOT-BC499111  Leptosiphon parviflorus Ann Howald 2015-4-13 3343 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, NW corner, S of Marsh Trail 362 Comment
  UC912541  Lessingia ramulosa John Thomas Howell 1920-11-14 2250 Sonoma hills se Santa Rosa 83 Comment
  SEINET10618325 Image available Lessingia ramulosa A. Arthur Heller 1902-8-18 Heller 6049 Sonoma Santa Rosa. Comment
  UCD132703  Lessingia ramulosa Frederica Bowcutt 1994-7-5 1937 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NEof Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, W of Bear Creek along Goodspeed Trail 231 Comment
  CAS-BOT-BC272174  Leymus triticoides J. W. Congdon 1880-7-4 s.n. Sonoma Paper Mill Creek Comment
Read comments
Feb 2 2019
  CAS-BOT-BC436537  Ligusticum apiifolium Alice Eastwood; John Thomas Howell 1939-6-11 7409 Sonoma Near Triniti P.O., Hood Mt. Range Comment
  CAS-BOT-BC451704  Lilaea scilloides Greg de Nevers 1992-5-5 10142 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  CAS-BOT-BC451690  Lilaea scilloides Milo S. Baker 1927-4-10 2054 b Sonoma Macartney Hills in Water Hole Comment
  CAS-BOT-BC451697  Lilaea scilloides Peter Rubtzoff 1955-4-23 1785 Sonoma Bennett Mtn. Lake. Comment
  RSA176796  Lilaea scilloides Peter H. Raven 1963-4-12 18162 Sonoma Along U. S. 101 just south of Asti. Comment
  CAS-BOT-BC130691  Lilium occidentale Peter Rubtzoff 1951-7-28 567 Sonoma Lower part of the Upper Marsh Comment
  JEPS19609  Limnanthes douglasii W. L. Jepson 1921-5-6 9187 Sonoma Porter Creek Comment
  UC1057485  Limnanthes douglasii G. Thomas Robbins 1938-4-15 259 Sonoma 6-7 mi w Santa Rosa (along road to Graton) Comment
  UCD116499  Limnanthes douglasii G. F. Hrusa; R. Gross, A. Buckmann 1996-3-29 12740 Sonoma Napa Valley bottom, immediately S of Tubbs Lane, approx. 2 m. NW of Calistoga. 110 Comment
  UCR5989  Limnanthes douglasii Sue Freeman 1966-4-8 s.n. Sonoma San Francisco Bay Region, Hwy 116, 5 mi. south of Sonoma 305 Comment
  RSA52117  Limnanthes douglasii subsp. douglasii A. A. Heller, H. E. Brown 52117 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UC73451  Limnanthes douglasii subsp. douglasii Milo S. Baker Apr. 1899 Sonoma Santa Rosa to Stony Point (roadside) Comment
  SEINET5556953  Limnanthes douglasii var. nivea H. S. Gentry 1962-1 19701 Sonoma Oakville. Comment
  UCD150131  Limnanthes vinculans Ayzik Solomeshch 2009-5-13 s.n. Sonoma West edge of city of Santa Rosa, S of Hwy 12 and just E of S Wright Rd. San Jones wetland, sampling pool #1. 31 Comment
  UC1925911  Limonium californicum Ethel Crum 1930-10-5 869 Sonoma Petaluma Marshes, Sonoma County to Rio Vista, Solano County. Comment
  CAS-BOT-BC258914  Limosella Peter Rubtzoff 1970-5-16 6220 Sonoma 5 miles north of Sears Point. Comment
  UCR279882  Limosella acaulis Peter Rubtzoff 1964-8-20 5469 Sonoma 1 mile southeast of Jenner; near crossing of Hwys 1 & 12 4 Comment
  UC908637  Linanthus acicularis Mrs. H. P. Bracelin and Susan Stokes 1930-7-27 3 Sonoma 2 mi n Bodega Comment
  UC907791  Linanthus androsaceus Milo S. Baker 1926-1-1 3851 Sonoma 1 mi e Bodega Bay (Bodega Bay road) Comment
  UC908781  Linanthus jepsonii Herbert L. Mason 1928-4-13 4334 Sonoma Reibli School, near springs Comment
  UC1124048  Linanthus parviflorus H. S. Yates 1934-4-22 3847 Sonoma 2 mi s Mark West; Calistoga Quad. 152 Comment
  UC23768  Linanthus parviflorus Willis L. Jepson 1893-5-1 Sonoma Knights Valley grade Napa River Basin Comment
  UC76069  Linaria vulgaris Miss Emma Lobenstein 1906-1 Sonoma Valley Ford Comment
  UCD110567  Linum bienne Beecher Crampton 1959-6-16 5390 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  UCD81453  Lithocarpus densiflorus M. Wiesendanger 1927-5-5 729 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC36013  Lithocarpus densiflorus var. densiflorus Peter Rubtzoff 1953-5-17 1388 Sonoma South of Guerneville (Neeley Hill area) Comment
  CAS-BOT-BC430799  Lithophragma affine Alice Eastwood 1921-5-8 10465 Sonoma Petaluma Comment
  UC1127213  Lithophragma affine E. Armstrong 1934-3-26 934 Sonoma 2 mi w Camp Meeker; Sebastopol Quadrangle 91 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
  UC581117  Logfia filaginoides H. L. Mason 1934-4-28 8062 Sonoma near Kenwood Springs (Baker's Ranch) Comment
  UC581113  Logfia gallica H. L. Mason 1934-4-28 8078 Sonoma head of Dohrman Creek; Josephs Ranch Comment
  UCD167965  Logfia gallica James Neilson 1977-6-12 3920 Sonoma Mayacmas Mountains, McMicking Ranch, well site 2. (McMicking Ranch is also known as Santa Angelina Ranch and is in the vicinity of Knights Valley and Coon Creek.) 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
  UC573666  Lolium multiflorum H. S. Yates 1936-5-16 5581 Sonoma 1 mi ne Graton; Sebastopol Quadrangle Comment
  UCD66008  Lolium multiflorum Beecher Crampton 1957-7-11 4305 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  SEINET11690153  Lolium multiflorum W. Knight, Knight, I.; Howell, J. T. 1987-1 6279 Sonoma Todd Road Preserve 24 Comment
  UCD84596  Lolium perenne Frederica Bowcutt 1996-5-24 2162 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. 365 Comment
  CAS-BOT-BC269192  Lolium temulentum David L. Morgan 1956-5-13 s.n. Sonoma On Watmaugh Rd., 1/2 mi. W. of junction of Arnold Drive Comment
  RSA121233  Lolium temulentum H. S. Yates 1937-5-31 6560 Sonoma 1.5 mi. WNW of Mark West Springs 183 Comment
  CHSC114316  Lomatium dasycarpum D. G. Kelch; A. G. Murdock, Ben Carter 2007-5-13 07 .271 Sonoma Cavedale Rd. 518 Comment
  JEPS79430  Lomatium macrocarpum Nancy Harrison 1980-4-6 2095 Sonoma near Glen Ellen (Sonoma Valley Park, s. on cow trail going down steep slope); Sonoma Valley Park Comment
  JEPS25112  Lomatium nudicaule G. Thomas Robbins with Hsuan Keng and Erika Amstutz 1959-4-3 3968 Sonoma s.w. El Verano (along Arnold Dr.); Sonoma Valley 30 Comment
  CAS-BOT-BC217808  Lomatium repostum Walter Knight; Irja Knight 1985-7-21 6256 Sonoma Pine Flat Rd. Comment
  UCR265128  Lomatium utriculatum Ann Howald 2015-4-1 3327 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage 318 Comment
  CAS-BOT-BC240644  Lonicera hispidula D. E. Breedlove 1980-6-27 44771 Sonoma Pepperwood Ranch W of Knights Valley Comment
  POM68030  Lonicera involucrata Marcus E. Jones 1882-7-17 2739 Sonoma Duncan's Mills. Comment
  CAS-BOT-BC243994  Lonicera involucrata var. ledebourii Alice S. M. McKenzie 1981-2-3 12 Sonoma Russian gulch near road E side of creek, N side of road, Calif Hwy 1 at marker, Coast between Russian and Gualala Rivers Comment
  CAS-BOT-BC244013  Lonicera involucrata var. ledebourii Peter Rubtzoff 1957-6-28 3385 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC200970  Lotus Peter Rubtzoff 1983-8-28 9682 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  CAS-BOT-BC376250  Lotus Greg de Nevers 1992-6-26 10181 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  UC424790  Lotus aboriginus unknown Apr 1930 4846 b Sonoma near Plantation Comment
  POM232043  Lotus angustissimus Roxana S. Ferris 1937-8-19 9379 Sonoma 1.5 mi. north of Fort Ross on State Highway 1. Comment
Read comments
Dec 13 2015
  HSC2127  Lotus formosissimus C. B. Wolf 1927-9-2 1353 Sonoma 1.0 mi. S of Gualala River Comment
  IRVC28976  Lotus formosissimus G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma Salt Point State Park North Coast 30 Comment
  CDA31006  Lotus purshianus D. G. Kelch, Troy McGregor 2010-8-22 10 .357 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  SEINET12154271  Lotus purshianus L. S. Rose 1938-1 38255 Sonoma Bloomfield 30 Comment
  RSA27256  Lotus scoparius var. scoparius Marcus E. Jones 1902-7-18 s.n. Sonoma Duncans Mills Comment
Read comments
Nov 19 2011
  UC15539  Lotus stipularis var. stipularis F. T. Bioletti 1893-6-7 Sonoma Hoods Peak Comment
  UC726027  Lotus wrangelianus A. A. Heller 1938-5-14 15079 Sonoma n of Bodega Bay Comment
  UCD66031  Ludwigia hexapetala B. J. Grewell 2006-7-21 06- 22 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Gallo's Laguna Ranch, downstream of Guerneville Rd Bridge/gaging stn. East of Hwy 116, Sebastopol across channel from Laguna Wastewater Treatment Delta Pond discharge. 16 Comment
  CAS-BOT-BC251195  Ludwigia palustris Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7800 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC376292  Ludwigia palustris Greg de Nevers 1992-6-26 10206 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In oxbow of Franz Creek 91 Comment
  RSA94343  Ludwigia palustris var. pacifica Peter Rubtzoff 1951-7-8 401 Sonoma Pitkin Marsh, near Forestville: Lower part of Upper Marsh Comment
  UCD65950  Ludwigia peploides subsp. peploides B. J. Grewell 2006-9-19 06- 74 -LU Sonoma Spring Lake, Sonoma County Park. Santa Rosa, CA. Shoreline near kayak rental and concession area at Spring Creek overflow spillway. 90 Comment
  CAS-BOT-BC201290  Lupinus Charles Piper Smith 1947-6-25 47570 Sonoma Highway 1, Fort Ross, 1.9 miles north Comment
  CAS-BOT-BC201297  Lupinus Charles Piper Smith 1947-6-19 47533 Sonoma Highway 1, Jenner, 1 mile south Comment
  UCD21133  Lupinus Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 308 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD004. UTMs 10S0519470; 4248711. Comment
  UC1299684  Lupinus adsurgens Freed W. Hoffman 1949-6-5 3218 Sonoma summit of road leading from Lake County to Pine Flat; North Coast Ranges, rd fr Lake County to Pine Flat Comment
  UCD151110  Lupinus adsurgens James A. Neilson Jr. 1974-6-1 2763 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UCR2994  Lupinus albifrons Wm. Horn Jr. 1963-4-10 630410- 01 Sonoma Coast Range, 0.25 mi N on Jonive Rd. at a point 5 mi west of Sebastopol on Bodega Hwy 168 Comment
  CAS-BOT-BC195978  Lupinus albifrons var. albifrons Charles Piper Smith 1908-4-3 1392 Sonoma Forestville, 3 miles west Comment
  CAS-BOT-BC195981  Lupinus albifrons var. albifrons A. A. Heller; H. E. Brown 1902-3-27 5162 Sonoma Western base of Mt. Hood Comment
  CAS-BOT-BC196152  Lupinus albifrons var. douglasii F. W. Johnson 1890-9-10 57 Sonoma Santa Rosa Comment
  CAS-BOT-BC196460  Lupinus arboreus Ella Dales Cantelow 1938-5-7 2395 Sonoma 2 1/2 mi. N. of Bodega Bay 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
  RSA52650  Lupinus bicolor subsp. microphyllus I. L. Wiggins 1943-4-30 12066 Sonoma 4 miles west of Calistoga, just west of the county line. Comment
  UC527542  Lupinus formosus C. B. Wolf 1931-8-23 2345 Sonoma along Redwood Highway 1 mi s Cloverdale; s of Cloverdale 91 Comment
  SEINET10903859  Lupinus formosus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7084 Sonoma On n-facing grassy clay bank, .6 mi w of sonoma-napa co line on hwy 121. 61 Comment
  UC201962  Lupinus formosus Milo S. Baker May 1899 Sonoma on Occidental Road Green Valley near Gallager's Green Valley Comment
  RSA3044  Lupinus formosus var. formosus Carl B. Wolf 1931-8-23 2345 Sonoma Along Redwood Highway, 1 mile south of Cloverdale. 91 Comment
  CDA36830  Lupinus latifolius CDFA Staff 2002-5-17 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  RSA177946  Lupinus latifolius var. latifolius Robert F. Thorne 1965-4-19 34317 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  SEINET12165195  Lupinus micranthus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -189 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 630 Comment
  UC1223285  Lupinus microcarpus var. densiflorus Joseph P. Tracy 1933-5-1 12129 Sonoma below Knight's Valley along Mayacama Creek; along Mayacama Creek below Knight's Valley Comment
  HSC34879  Lupinus nanus subsp. latifolius Thomas W. Nelson, James Nelson 1975-3-25 1754 Sonoma Beside Hwy. 128 E of Geyserville Comment
  HSC49398  Lupinus nanus subsp. latifolius R. York 1979-4-8 205 Sonoma Along Hwy. 128, 1 mi. N of Calistoga 366 Comment
  UC73201  Lupinus pachylobus Milo S. Baker 1898-4-20 631 Sonoma Taylor Mt. Comment
  SEINET10936836  Lupinus polycarpus Thomas W. Nelson, Jane P. Nelson 1980-5-3 Nelson 5127 Sonoma Santa rosa quad. Along roberts rd ca 100 m past bridge over copeland creek, e Of rhonert park. Vernally wet area beside road. T.6n, r.7w, sec.28. 61 Comment
  SD39054  Lupinus tidestromii Edith A. Purer 1932-7-24 4082 a Sonoma Near Bodega Bay. Comment
  SEINET11162202  Lupinus tidestromii W. S. Cooper Sonoma Comment
  RSA22011  Lupinus variicolor Alice Eastwood, John T. Howell 1939-4-2 7362 A Sonoma Larkspur Rock Comment
  SBBG125951  Lupinus variicolor D. Huang 2006-5-30 06053006 Sonoma Bodega Marine Laboratory, coastal bluff near building 2 Comment
  UCD109671  Lupinus variicolor P. B. Kennedy 1915-5-31 26 Sonoma along roadside, Del Mar. Comment
  CAS-BOT-BC210028  Luzula Peter Rubtzoff 1962-5-11 4818 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
  UCD142103  Luzula comosa Gerry North 1993-4 11 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Across road from Godspeed trailhead pullout. Shaded roadcut. 228 Comment
  CAS-BOT-BC436741  Luzula comosa var. comosa John Thomas Howell 1937-6-6 13033 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC441394  Luzula subsessilis Mrs. H. C. Cantelow 1939-4-10 s.n. Sonoma About 1.6 miles S of Russian River Bridge Comment
  UC1784223  Lythrum hyssopifolia Ethel Crum 1930-1 731 Sonoma Petaluma Comment
  CDA19164  Lythrum salicaria D. Pendleton 2000-8-1 PDR 057088 Sonoma North Coast Ranges; Along Russian River bank, at Casini Ranch, Duncans Mills. 0 Comment
  UCD165253  Madia Peter Rubtzoff; Nancy Harrison 1974-7-13 7669 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC342607  Madia John H. Thomas 1969-9-20 15469 Sonoma About 2 miles north along highway no. 1 from Russian Gulch 304 Comment
  CAS-BOT-BC344039  Madia elegans David D. Keck 1933-11-6 2646 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  CAS-BOT-BC344050  Madia elegans John Thomas Howell 1930-7-13 5341 Sonoma Black Point Road Comment
  UC523537  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi n of Occidental Comment
  UC75902  Madia elegans Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  UCR218637  Madia elegans George K. Helmkamp, E. A. Helmkamp 2010-6-4 16229 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
  POM215201  Madia elegans subsp. densifolia D. D. Keck 1933-11-6 2646 Sonoma 1 mile north of Freestone on road to Occidental 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
  CAS-BOT-BC343462  Madia gracilis J. Clausen 1935-5-23 1075 Sonoma 0.3 mi. N. of entrance to Petrified Forest Comment
  CAS-BOT-BC343465  Madia gracilis G. DeNevers 1981-5-15 1217 Sonoma Pepperwood Ranch. Near base of Hansel's driveway Comment
  UCR198240  Madia madioides Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .276 Sonoma Cavesdale Road 518 Comment
  CAS-BOT-BC345214  Madia sativa John Thomas Howell 1932-9-17 10764 Sonoma 1 mile south of Kenwood Comment
  RSA790979  Madia sativa Peter Rubtzoff 1967-9-2 5876 Sonoma Freestone Marsh. Comment
  UC523533  Madia sativa David D. Keck 1933-11-6 2645 Sonoma on road to Occidental 1 mi n Freestone Comment
  UCD132830  Madia sativa Frederica Bowcutt 1997-7-18 2184 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  UC990650  Madia sativa James I. McMurphy 1909-8-8 703 Sonoma electric RR station between Santa Rosa and Sebastopol; Leddy Comment
  UCD165237  Madia sativa Peter Rubtzoff 1974-6-22 7623 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC511489  Maianthemum stellatum Greg de Nevers 1993-4-6 10357 Sonoma Pepperwood Ranch Natural Preserve, 3450 Faranz Valley Road 304 Comment
  RSA94348  Malus sylvestris Peter Rubtzoff 1951-11-24 850 Sonoma Pitkin Marsh, near Forestville. Western branch of the upper marsh; in a thicket on drier ground. Comment
  CAS-BOT-BC376264  Malva sylvestris Greg de Nevers 1992-9-1 10249 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  UCD125027  Marrubium vulgare Frederica Bowcutt 1995-11-19 2063 Sonoma Sugarloaf Ridge State Park. About 50 miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Bald Mountain Trail, immediately on edge of asphalt about 0.5 air mile SSE of Red Mountain. 609 Comment
  CAS-BOT-BC348217  Matricaria discoidea Peter Rubtzoff 1958-8-9 3835 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road) Comment
  UCD134575  Matricaria discoidea Caitlin Lewis; William Mutch 1993-4-17 9 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 Mountain 1 mile. Near visitor center; Sonoma Creek. 365 Comment
  CAS-BOT-BC348312  Matricaria occidentalis Peter Rubtzoff 1958-8-9 3835 A Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road) Comment
  CAS-BOT-BC262986  Medicago Peter Rubtzoff 1970-8-19 6335 Sonoma On Austin Creek beach, 0.5 miles north of Cazadero. Comment
  UCD107847  Medicago polymorpha P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC269510  Melica californica David L. Morgan 1961-4-15 s.n. Sonoma Bohemian Highway 3 miles north of Occidental Comment
  CAS-BOT-BC269517  Melica californica A. A. Heller 1902-4-4 5315 Sonoma Hills near Santa Rosa Comment
  UCD87211  Melica californica R. Tofsrud 1941-4-1 293 Sonoma Pasture hills above Russian Gultch. Comment
  UCD87215  Melica californica R. Tofsrud 1941-4-1 294 Sonoma McDonald Reservoir. Comment
  CAS-BOT-BC281274  Melica geyeri G. DeNevers 1981-5-5 928 Sonoma Pepperwood Ranch. W arm of Garrison Canyon, above the Viburnum Comment
  CAS-BOT-BC281284  Melica geyeri John Thomas Howell; et al. 1981-5-14 53988 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  RSA123519  Melica geyeri H. S. Yates 1937-5-30 6545 Sonoma 3 miles WNW of Graton. 61 Comment
  UCD33240  Melica geyeri Beecher Crampton 1967-5-15 7936 Sonoma Sonoma County, Napa County line, 4 miles N.W. of Calistoga on Hwy. 128. Comment
  UC34142  Melica harfordii Joseph Burtt Davy and Walter C. Blasdale 1899-7-22 6001 Sonoma Guerneville Comment
  UCD87571  Melica harfordii H. S. Yates 1937-5-31 6563 Sonoma 1 mile SW of Petrified Forest 274 Comment
  CHSC33997  Melica torreyana J. D. Prouty 1980-4-12 859 Sonoma Between Porter Creek and Porter Creek Road ca. 0.1 mi W of junction with Petrified Forest Road. 256 Comment
  RSA74447  Melica torreyana Milo S. Baker 1947-5-30 11777 Sonoma It is located 2 miles NE of Occidental along Harrison Grade. Comment
  SEINET191212 Image available Melica torreyana A. A. Beetle 1941-4-27 1726 Sonoma North side of Mt St Helena; rocky slope above St Helena Creek Comment
  UC1024769  Melica torreyana Leo Whitney 1935-4-14 2259 b Sonoma near Occidental (Blunden's Pasture) Comment
  UC573649  Melica torreyana H. S. Yates 1937-5-30 6542 Sonoma 3 mi wnw Graton; Sebastopol Quad. 60 Comment
  UCD36693  Melica torreyana Beecher Crampton 1955-6-17 2956 Sonoma Sonoma County, 5 miles west of Cazadero, on road to Fort Ross. Comment
  UCD89212  Melica torreyana M. Wiesendanger 1927-5-5 734 Sonoma Kenwood Springs. Comment
  SACT001559  Melica torreyana M. Wiesendanger 1927-5-5 Sonoma Comment
  UCR279644  Melilotus albus Peter Rubtzoff 1953-11-1 1432 Sonoma Vacation Beach, near Guerneville, along Russian River 3 Comment
  CAS-BOT-BC268126  Melilotus indicus Peter Rubtzoff 1961-8-22 4679 Sonoma Fife Creek Marsh. Comment
  RSA784569  Melissa Peter Rubtzoff 1973-9-9 7317 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC166905  Mentha Peter Rubtzoff 1955-8-28 2113 Sonoma Guerneville region. Vacation Beach, near Guerneville; Russian River. Comment
  UCR244600  Mentha Peter Rubtzoff 1958-9-27 4011 Sonoma Laguna de Santa Rosa, northeast of Graton, 1.5 mi north of Guerneville Road 23 Comment
  RSA785215  Mentha Peter Rubtzoff 1956-9-15 2899 Sonoma Atascadero Creek Marsh. Comment
  RSA785673  Mentha Peter Rubtzoff 1960-9-17 4559 Sonoma Laguna de Santa Rosa, E of Graton (between Occidental and Guerneville Road). Comment
  RSA788368  Mentha Peter Rubtzoff 1960-10-29 4584 Sonoma Laguna de Santa Rosa, east of Graton (btwn. Occidental and Guereville Road). Comment
  UCD163793  Mentha aquatica Peter Rubtzoff 1962-10-9 s.n. Sonoma Brooks Gulch Marsh. Comment
  JEPS63450  Mentha pulegium W. L. Jepson 1931-7-19 15938 Sonoma Watson School Bodega (Bodega) 152 Comment
  RSA94355  Mentha pulegium Peter Rubtzoff 1951-7-14 458 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  RSA785142  Mentha spicata Peter Rubtzoff 1955-8-28 2114 Sonoma Guerneville region: Russian River. Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC348628  Micropus californicus var. californicus G. DeNevers 1981-5-30 1359 Sonoma Pepperwood Ranch. Above Pippindale Pond Comment
  CAS-BOT-BC348733  Microseris bigelovii John H. Thomas 1976-6-16 18255 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  SD134025  Microseris douglasii Greg de Nevers 1987-4-25 8167 Sonoma Pepperwood Ranch Natural POreserve; 3500 Franz Valley Road 99 Comment
  CAS-BOT-BC322704  Microseris laciniata Carl B. Wolf 1927-9-2 1346 Sonoma 2 miles south Anchor Cove Comment
  JEPS85522  Microseris laciniata Charles F. Quibell 1990-5-20 2019 Sonoma Hunter Lane, northeast of Rohnert Park, 0.2 mi west of junction with Petaluma Hill Road. Comment
  CAS-BOT-BC311865  Mimulus Peter Rubtzoff 1953-5-30 1418 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC311862  Mimulus Peter Rubtzoff 1955-7-10 1949 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC320531  Mimulus Peter Rubtzoff 1970-6-21 6271 Sonoma Along sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  RSA0025394  Mimulus Peter Rubtzoff 1962-5-30 4849 Sonoma Freestone Marsh. Comment
  POM43747  Mimulus aurantiacus var. aurantiacus Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale Comment
  RSA177937  Mimulus aurantiacus var. aurantiacus Robert F. Thorne 1965-4-20 34335 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UC26690  Mimulus aurantiacus var. aurantiacus Alice Bolton 1888-10-13 Sonoma below Guerneville; Russian River Comment
  UCD151206  Mimulus cardinalis James A. Neilson Jr. 1974-7-10 2821 Sonoma Mayacmas Mountains, 1/2 mile south of Geyser Rock, along road to PG and E unit 9 and 10, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1005 Comment
  RSA535766  Mimulus congdonii David M. Thompson 1988-4-1 863 Sonoma Ca. 3 air miles E of Glen Ellen. 3.9 mi NE of Hwy 12 along Cavedale Road; W side of Road, 5 ft S of entrance to 3845-3850-3860 private driveway. 183 Comment
  UC1041002  Mimulus grandis J. W. Congdon 1880-3 Sonoma Petaluma Comment
  UCR248740  Mimulus guttatus Peter Rubtzoff 1970-6-21 6271 Sonoma North Coast Ranges, tributary of Mark West Creek, c. 3 mi west of Fulton 49 Comment
  RSA94313  Mimulus guttatus Peter Rubtzoff 1951-6-16 262 Sonoma Western branch of the Upper Marsh. Comment
  RSA80677  Mimulus kelloggii E. K. Balls, Lee W. Lenz 1952-5-8 17112 Sonoma 0.4 mi. s. of Franz Valley Road along road from Mark West Springs to Kellogg. 107 Comment
  JEPS41072  Mimulus layneae Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9109 Sonoma between 1 and 1 1/4 mi w Napa County line (along the Franz Valley School road, 1/4 mi w of the school) 219 Comment
  UCD160963  Mimulus layneae James A. Neilson Jr. 1975-7-8 3376 Sonoma Mayacmas Ridge. Near U.S. Geothermal 2, 1/2 mile south of Socrates Mine Road. (Elevation and coordinates estimated by label maker.) 914 Comment
  UC26937  Mimulus microphyllus F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  UCR44927  Mimulus nudatus L. F. LaPre 1986-6-3 s.n. Sonoma Dorr Place, 4 mi up a private road from Mannings Flats in Austin Creek State Recreation Area, 6 mi north of Cazadero on upper Austin Creek 207 Comment
  RSA550574  Mimulus tricolor Peter Rubtzoff, H. A. Froebe 1971-5-30 6482 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Rd. Comment
  UCD84291  Mimulus tricolor Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC174582  Minuartia californica A. A. Heller; H. E. Brown 1902-3-14 5067 Sonoma Near Windsor 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
  JEPS48608  Minuartia douglasii Eleanor Armstrong 1932-5-20 482 Sonoma near Kenwood (3 mi up canyon); Adobe Canyon 152 Comment
  UC8120  Minuartia douglasii Alice King May, 1897 Sonoma Healdsburg Comment
  UCD160304  Minuartia douglasii James A. Neilson Jr. 1975-5-22 3221 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 mi. west of Whispering Pines, State Highway 175. (Elevation estimated by label maker using Google Earth.) 1127 Comment
  CAS-BOT-BC388895  Minuartia douglasii G. DeNevers 1981-5-9 1070 Sonoma Pepperwood Ranch. E of the gate to the Redwoods Comment
  UCD125197  Monardella purpurea Walter Knight; Irja Knight, Roger Raiche, Steve Edwards Date Unknown 4756 Sonoma The Cedars; near Cazadero on Twitchell Ranch. Comment
  UCD151083  Monardella sheltonii James A. Neilson Jr. 1974-6-1 2770 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 1/2 mi. west of Whispering Pines, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 1127 Comment
  CAS-BOT-BC314202  Monardella villosa L. R. Abrams 1916-7-4 5790 Sonoma Road between Petrified Forest and Mark West. Comment
  UCD151228  Monardella villosa James A. Neilson Jr. 1974-5-1 3170 Sonoma On the border of Lake and Sonoma Counties: Mayacmas Mountains, Geyser Rock area, west of Whispering Pines and State Highway 175. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  UC634860  Monardella villosa subsp. franciscana H. L. Mason 1928-7-10 4883 Sonoma Near Ocean, Jenner Comment
  CAS-BOT-BC314205  Monardella villosa subsp. subserrata D. E. Breedlove 1980-6-27 44772 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  CAS-BOT-BC314159  Monardella villosa subsp. subserrata Lewis S. Rose 1965-7-3 65081 Sonoma 2 mi. N of Sonoma. 274 Comment
  CAS-BOT-BC318600  Monardella villosa subsp. subserrata J. W. Congdon 1880-6-20 47 Sonoma Petaluma Comment
  CAS-BOT-BC314184  Monardella villosa subsp. villosa John Thomas Howell 1930-7-27 5407 Sonoma 1 mile N of Fort Ross Comment
  CAS-BOT-BC314161  Monardella villosa subsp. villosa G. DeNevers 1981-6-6 1475 Sonoma Pepperwood Ranch. Top of Telegraph Hill. Comment
  UCD151196  Monardella viridis James A. Neilson Jr. 1974-7-10 2810 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 1/2 miles west of Whispering Pines, east Sonoma County. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  CAS-BOT-BC444996  Montia fontana Greg de Nevers 1993-3-7 10316 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Double Ponds. 304 Comment
  UCD144662  Montia fontana Frederica Bowcutt; Jolie Hendricks, Jeff Kennedy 1994-5-1 1792 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Campground S of Sonoma Creek approx. 125 yds. 1/4 mile NW of confluence of Rattlesnake Creek, meadow in center of campground. 350 Comment
  CAS-BOT-BC445006  Montia fontana Peter Rubtzoff 1967-5-21 5841 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  RSA264759  Myosotis discolor Peter Rubtzoff 1974-5-25 7475 Sonoma Upper Green Valley Marsh. Comment
  UCR222562  Myosotis latifolia George K. Helmkamp, E. A. Helmkamp 2010-6-5 16253 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-BC101793  Myrica californica Peter Rubtzoff 1951-9-2 727 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC456198  Najas guadalupensis Greg de Nevers 1991-8-8 9768 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In largest Double Pond. 475 Comment
  UCD87822  Nassella lepida Beecher Crampton 1955-6-17 2952 Sonoma 4.5 miles S of Cazadero. Comment
  CAS-BOT-BC260278  Nassella pulchra F. Almeda; G. DeNevers 1981-4-28 4919 Sonoma Pepperwood Ranch. Vicinity of the Bechtel cabin Comment
  CAS-BOT-BC260288  Nassella pulchra W. L. Jepson 1911-4-30 4181 Sonoma Sonoma Valley 83 Comment
  UCD87654  Nassella pulchra Gerry North 1993-4 32 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 picnic site across from parking lot east of kiosk. 381 Comment
  UCD116060  Nasturtium officinale Ella Dales Cantelow 1938-5-7 2389 Sonoma 8 mi. S. of Fort Ross. Comment
  CAS-BOT-BC230267  Navarretia cotulifolia A. A. Heller 1902-6-4 5638 Sonoma San Miguel Island. Head east fork of Canyon Del Mar 0.3 miles west of the old ranch house. 152 Comment
  CAS-BOT-BC230365  Navarretia leucocephala subsp. bakeri James McMurphy 1909-5-28 s.n. Sonoma Near Fulton Comment
  JEPS86768  Navarretia leucocephala subsp. bakeri Jack and Betty Guggolz 1990-4-6 1030 Sonoma about 1.25 mi nw old Windsor (n side Promenade Lane and e of Herb Lane [Road]) 41 Comment
Read comments
May 29 2009
  UC583200  Navarretia leucocephala subsp. bakeri Alice Eastwood and John Thomas Howell 1936-5-19 2520 Sonoma 2 mi n Windsor Comment
  UC1008723  Navarretia pubescens Lewis S. Rose 1940-5-22 40371 Sonoma Sonoma 30 Comment
  CAS-BOT-BC232689  Navarretia pubescens G. DeNevers 1982-6-5 2043 Sonoma Pepperwood Ranch. In ditch along road below Strebel Comment
  SDSU3220  Navarretia pubescens D. F. Howe 1963-7-2 3574 Sonoma 3.5 miles south of Guerneville on #12. 30 Comment
  UCD48686  Navarretia squarrosa Charles B. Heiser Jr. 1946-8-17 1826 Sonoma Banks of Russian River, near Duncan Mills. Comment
  UCD55331  Navarretia squarrosa Ellen Dean 2006-6-28 3174 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  RSA94272  Navarretia squarrosa Peter Rubtzoff 1951-8-19 656 Sonoma Pitkin Marsh, near Forestville: near the creek, just north of the Lower Marsh Comment
  SEINET191457  Navarretia tagetina Lewis S. Rose 1940-5-22 40373 Sonoma Sonomoa 30 Comment
  SEINET197049  Navarretia viscidula Helen K. Sharsmith 1952-7-6 4178 Sonoma Stewart's Point road 12.2 miles west of Skagg's Springs 579 Comment
  CAS-BOT-BC7192  Nemophila divaricata Alice Eastwood 1900-4-21 s.n. Sonoma Mt. St. Helena Comment
  UCD119981  Nemophila heterophylla Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1753 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trail approx. 200 yds. From just E of Bear Creek about 5 yds. N of confluence with Sonoma Creek. 198 Comment
  POM65264  Nemophila heterophylla A. A. Heller 1903-4-24 6619 Sonoma Woods near Cazadero. Comment
  CHSC23124  Nemophila menziesii Robert A. Schlising 1962-3-31 2110 Sonoma In pastured field. Comment
  HSC34933  Nemophila menziesii Thomas W. Nelson, MarJames Nelson 1975-3-25 1755 Sonoma Beside Hwy. 128 E of Geyserville Comment
  HSC49363  Nemophila menziesii R. York 1979-4-8 201 Sonoma Along Hwy. 128 305 Comment
  UC75665  Nemophila menziesii var. atomaria Miss Emma Lobenstein 1906-1 Sonoma Valley Ford Comment
  UC24256  Nemophila menziesii var. atomaria W. A. Setchell March, 1898 Sonoma Cloverdale Comment
  CAS-BOT-BC164348  Nicotiana acuminata Peter Rubtzoff 1961-6-7 4618 Sonoma Laguna de Santa Rosa, about 1 mile SE of Trenton Comment
  CAS-BOT-BC140456  Oemleria cerasiformis G. DeNevers 1981-4-1 601 Sonoma E of road, in Leslie Creek Comment
  CAS-BOT-BC368058  Oemleria cerasiformis Greg de Nevers 1998-5-20 11255 Sonoma Mark West Creek on Cresta Ranch Comment
  UCD15529  Oenothera cheiranthifolia Gregory J. Lowenberg 1988-4-16 22 Sonoma 100 m E. of Horshoe Cove, Bodega Head. 12 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
  UC429299  Ornithogalum nutans Mrs. Morrow Mar 1898 700 Sonoma Santa Rosa; yard at 2nd St Comment
  POM297985  Orthocarpus densiflorus A. A. Heller, H. E. Brown 1902-4-16 5307 Sonoma Fields east of Santa Rosa Comment
  RSA73964  Orthocarpus faucibarbatus Milo S. Baker 1952-4-23 12407 Sonoma Western outskirts of Sonoma along 5th St. Comment
  SEINET12270158  Orthocarpus faucibarbatus Unknown 1936-1 13418 Sonoma near Healdsburg Comment
  RSA239768  Orthocarpus faucibarbatus var. albidus Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1102 Sonoma Fort Ross State Park. Comment
  RSA402033A  Orthocarpus lacerus Christopher Davidson 1977-6-20 6006 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  SEINET3143955  Osmorhiza chilensis L. S. Rose 1940-5-6 40263 Sonoma Sonoma Creek Canyon 213 Comment
  JEPS76915  Oxalis oregana Robert M. Lloyd 1963-2-24 2047 Sonoma 1/2 mi n Occidental (abandoned picnic ground, on rd to Camp Meeks) 45 Comment
  UC1130245  Oxalis oregana E. Armstrong 1934-3-26 914 Sonoma 1 mi n Camp Meeker; Sebastopol quad 121 Comment
  UC91652  Packera greenei Brandegee May 1890 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC227649  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC254467  Panicum Peter Rubtzoff 1983-8-28 9670 Sonoma Austin Creek ca. 0.5 mile N of Highway 116 on Cazadero Road Comment
  UCD166341  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  SEINET10849964  Panicum P. Rubtzoff 1968-9-21 Rubtzoff 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CHSC79422  Panicum acuminatum var. acuminatum Beecher Crampton 1969-7-14 8493 b Sonoma The Geysers, 12 miles (direct line) east of Colverdale. 493 Comment
  UC1146580  Panicum acuminatum var. acuminatum Freed W. Hoffman 1941-6-15 2158 Sonoma Eckert Ranch near Salt Point; North Coast Ranges, near Salt Point Comment
  UC1532604  Panicum acuminatum var. acuminatum R. Spellenberg 1966-9-7 1618 Sonoma The Geysers along Sulphur Creek downstream from the The Geyser area; The Geysers, along Sulphur Creek Comment
  UCD151254  Panicum acuminatum var. thermale James A. Neilson Jr. 1974-7-10 2837 Sonoma Mayacmas Mountains. Little Geysers. 731 Comment
  CAS-BOT-BC253799  Panicum hillmanii John H. Thomas 1969-9-21 15476 Sonoma About 1 mile N of Graton along Highway 116 Comment
  SEINET12329970  Parentucellia viscosa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -157 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 120 Comment
  UC972197  Parvisedum pumilum Milo S. Baker 1952-4-20 12399 Sonoma ca 1/4 mi n of Caliente (e side of Highway 12); e side of Highway 12 Comment
  UC971706  Parvisedum pumilum Leo Koch 1940-4-24 848 Sonoma n of Agua Caliente Comment
  CAS-BOT-BC265688  Paspalum distichum Peter Rubtzoff 1954-7-5 1536 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC258802  Pennisetum clandestinum Peter Rubtzoff 1971-9-30 6717 Sonoma Spring Creek Reservoir area Comment
  UC887072  Penstemon heterophyllus var. heterophyllus Alice Eastwood 1915-6-5 4611 Sonoma Petrified Forest Comment
  UC1238920  Penstemon heterophyllus var. purdyi Freed W. Hoffman 1947-4-20 654 Sonoma near Guerneville (headwaters of Fife Creek, Del Preti Hill); North Coast Ranges, headwaters Fife Creek Comment
  SEINET6174116 Image available Penstemon newberryi var. sonomensis Sally Walker 1981-5-8 81 H04 Sonoma Summit of North peak of Mt. St. Helena 1324 Comment
  CAS-BOT-BC71732  Pentagramma triangularis subsp. triangularis Peter Rubtzoff 1952-6-10 1201 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  UC1193125  Pentagramma triangularis subsp. triangularis P. Zinke 1950-4-25 114 Sonoma Oat Valley; Quadrangle 61A4 182 Comment
  UC1287831  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-7-30 5778 Sonoma Atascadero Creek Marsh Comment
  SEINET9293705  Perideridia howellii George Hrusa, Buckmann, A 1996-10-5 13584 Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Rd. Two pools, approx 150 meters apart, 45x60 meters in size. Approx. 2m. SW of Calistoga. Douglas-fir-forest surrounding. Small colony in lower pool, to 1 meter tall/ Elev. 700 meters. Quadrangle: Calistoga 7.5 700 Comment
  CAS-BOT-BC413648  Persicaria amphibia Peter Rubtzoff 1955-9-9 2116 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC413636  Persicaria amphibia John Thomas Howell 1932-9-18 10769 Sonoma Bed of slough draining Kenwood Marsh Comment
  UCD99359  Persicaria amphibia Ann F. Johnson 1979-6-19 s.n. Sonoma South of entrance road to Bodega Dunes State Park. Comment
  CAS-BOT-BC413741  Persicaria hydropiper John Thomas Howell 1932-9-18 10779 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC418904  Persicaria hydropiperoides Peter Rubtzoff 1958-8-31 3953 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC418919  Persicaria hydropiperoides Peter Rubtzoff 1958-8-23 3928 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Rd.) Comment
  CAS-BOT-BC418921  Persicaria hydropiperoides Peter Rubtzoff 1956-9-15 2907 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC418893  Persicaria hydropiperoides John Thomas Howell 1946-8-17 22856 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC419274  Persicaria maculosa Peter Rubtzoff 1958-7-20 3787 B Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd.) Comment
  CAS-BOT-BC419419  Persicaria punctata Peter Rubtzoff 1952-10-26 1330 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC419421  Persicaria punctata Peter Rubtzoff 1952-10-26 1334 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  CAS-BOT-BC173687  Petasites frigidus var. palmatus Peter Rubtzoff 1960-6-10 4495 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC330279  Petasites frigidus var. palmatus Mary P. Wells 1981-8-2 s.n. Sonoma Trail north of Crow's Nest Rd and E of Spyglass Lane. The Sea Ranch Comment
  UC753396  Phacelia californica Florence Signaigo and Thomas Morley 1946-5-19 129 Sonoma Vine Hill School rd 5-6 mi n Sebastopol 30 Comment
Read comments
Dec 30 2011
  UC923137  Phacelia corymbosa Freed W. Hoffman 1950-6-17 3332 Sonoma Layton Chromite Mine North Coast Ranges, Austin Creek Comment
  CHSC52635  Phacelia imbricata James Jokerst 1985-5-29 2386 Sonoma Near Cobb Mountain. 1126 Comment
  UCR198234  Phacelia imbricata Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .267 Sonoma Cavesdale Road 518 Comment
  SD99425  Phacelia imbricata var. imbricata Christopher Davidson 1977-6-20 6019 Sonoma Dry Creek Road, 9.3 miles west of Geyserville. 91 Comment
  UC444442  Phacelia suaveolens E. L. Greene Aug. 1888 Sonoma Petrified Forest; ; Petrified Forest, Sonoma Co. Comment
  HSC49397  Phacelia tanacetifolia R. York 1979-4-8 203 Sonoma Along Hwy. 128, 3 mi. S of Alexander Valley 305 Comment
  CAS-BOT-BC332702  Phalaris Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7839 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC258846  Phalaris angusta Peter Rubtzoff 1962-5-30 4851 Sonoma Freestone Marsh Comment
  UCD88336  Phalaris angusta H. S. Yates 1936-5-16 5617 Sonoma California Forest and Range Experiment Station. Near Green Valley School. 91 Comment
  CAS-BOT-BC259023  Phalaris californica Lewis S. Rose 1962-6-1 62067 Sonoma 1 mi. nw of Freestone 76 Comment
  RSA227231  Phalaris californica Peter Rubtzoff 1962-6-1 4859 Sonoma Freestone Marsh Comment
  UCD88547  Phalaris californica William Anderson 1965-7-30 s.n. Sonoma Stewart's Point. Comment
  UCD88771  Phalaris californica H. S. Yates 1936-5-16 5618 Sonoma California Forest and Range Experiment Station. Near Green Valley School. 91 Comment
  RSA783844  Phalaris lemmonii Peter Rubtzoff 1972-6-23 6784 Sonoma Atascadero Creek Marsh. Comment
  UC1011002  Phalaris minor Doris Cole 1935-5-27 68 Sonoma Petaluma; at Doris Cole's home Comment
  CAS-BOT-BC383036  Phalaris paradoxa Greg de Nevers 1998-6-28 11295 Sonoma Lautenberg Ranch, Spencer Lane, Knights Valley. Comment
  RSA129159  Phalaris paradoxa H. S. Yates 1937-6-5 6572 Sonoma 5 mi W. of Sonoma 91 Comment
  UCD160920  Phragmites australis James A. Neilson Jr. 1975-7-8 3383 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  RSA227242  Phyla nodiflora Peter Rubtzoff 1958-7-26 3806 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UC1981710  Phyllospadix R. Ghelardi 1962-10-19 550 Sonoma Horseshoe Cove Comment
  UC1977006  Phyllospadix scouleri Ann Freeman 1963-8-6 1642 Sonoma Bodega Head. North side, Horseshoe Cove with flowers. Comment
  CAS-BOT-BC452029  Phyllospadix torreyi Marck Menke 1999-6-16 49 Sonoma Bodega Head, Bodega Marine Lab, north side of Horseshoe Cove Comment
  CAS-BOT-BC376239  Physalis philadelphica Greg de Nevers 1992-10-15 10251 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek 304 Comment
  CAS-BOT-BC376257  Physalis philadelphica Greg de Nevers 1992-7-30 10236 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 304 Comment
  CAS-BOT-BC140622  Physocarpus capitatus Peter Rubtzoff 1953-5-16 1355 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  CAS-BOT-BC140625  Physocarpus capitatus Peter Rubtzoff 1955-5-21 1874 Sonoma Forestville Marsh Comment
  CAS-BOT-BC202285  Pickeringia montana var. montana Walter Knight; Irja Knight 1963-12-27 475 Sonoma Summit, Pine Flat Rd. Comment
  CAS-BOT-BC202282  Pickeringia montana var. montana Elsa G. Ruckert 1960-5-15 153 Sonoma 4 miles up Triniti [Trinity] Road from junction with Highway 12 Comment
  RSA516637  Pinus S. Flowers 1988-2-5 s.n. Sonoma Sonoma Rd. marker, Hwy One, 52.32 miles at Pebble Beach Access Trail, across Sea Ranch. Tree located 20 feet W of Hwy 1 and 12 feet N off parking entrance. Comment
  CAS-BOT-BC361362  Pinus attenuata Greg de Nevers 1997-4-16 10935 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  NY61622  Pinus lambertiana Collector unspecified s.n. 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
  UC1505975  Pinus muricata Daniel I. Axelrod 1983-7-7 E 3 Sonoma Vicinity of Salt Point; along State Hwy 1 76 Comment
  SEINET3560620 Image available Pinus muricata James Montgomery 1969-8-13 83751 a Sonoma Along Route 1, 9 miles north of Ft. Ross. 61 Comment
  UCD158878  Pinus ponderosa James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2900 Sonoma Mayacmas Mountains; northeast corner of Section 15, southwest of The Geysers. (Elevation estimated by label maker using Google Earth.) 609 Comment
  SEINET10908748 Image available Pinus ponderosa Unknown 1864-4-27 Anonymous s.n. Sonoma Comment
  CHSC59661  Pinus radiata Jeffrey L. Kennedy 1985-4-3 11 Sonoma 100 m. N of Spring Lake and 50 m. E of Annadale State Park, Santa Rosa. 121 Comment
  UCD133336  Pinus sabiniana Frederica Bowcutt 1994-6-25 1916 Sonoma 609 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
  CHSC110480  Plagiobothrys Peter Rubtzoff; H. A. Froebe 1971-5-30 6488 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  UCR279872  Plagiobothrys Peter Rubtzoff 1969-5-11 6048 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  CAS-BOT-BC166762  Plagiobothrys Peter Rubtzoff 1971-7-23 6618 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC166946  Plagiobothrys Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. 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
  RSA639272  Plagiobothrys bracteatus R. F. Thorne 1965-4-19 34276 Sonoma Titus Ranch, Valley Ford. 18 Comment
  RSA788372  Plagiobothrys bracteatus Peter Rubtzoff 1971-5-8 6443 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mi west of Arnold Drive. Comment
  SEINET12333746  Plagiobothrys bracteatus H. K. Wagnon 1989-1 1874 Sonoma Spring Lake Park & environs, adjacent to Montgomery Drive, Spring Creek diversion channel 67 Comment
  UC881328  Plagiobothrys greenei Milo S. Baker 1940-4-24 9549 Sonoma s Warfield Comment
  UCD160140  Plagiobothrys nothofulvus James A. Neilson Jr. 1974-3-27 3015 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  POM63825  Plagiobothrys nothofulvus A. A. Heller, H. E. Brown 1902-3-26 s.n. Sonoma Santa Rosa Creek. Comment
  UCD35300  Plagiobothrys nothofulvus Beecher Crampton 1955-4-5 2414 Sonoma 2 miles southwest of Windsor. Comment
  UC881362  Plagiobothrys undulatus John Thomas Howell 1937-6-6 13014 Sonoma Sebastopol Comment
  RSA783738  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  CAS-BOT-BC258016  Plantago Peter Rubtzoff 1965-8-16 5596 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  SBBG53025  Plantago erecta M. R. Benedict 1978-4-18 Sonoma Warm Springs Dam site, Dry Crk Valley Comment
  UC1301167  Plantago erecta Helen K. Sharsmith 1963-5-25 5495 Sonoma just n Bodega head; San Francisco Bay Region 7 Comment
  UC496402  Plantago lanceolata Merle Randall 1930-4-10 Sonoma Fort Ross to Jenner 91 Comment
  CAS-BOT-BC258383  Plantago subnuda Peter Rubtzoff 1960-6-9 4489 Sonoma Laguna de Santa Rosa area northeast of Graton, near Laguna Road. Comment
  UCD150600  Plantago subnuda Laurie E. Miller 1974-5-11 164 Sonoma Bodega Bay, W side of bay head; 0.5 mi. W of Bodega Station. Comment
  UC855269  Platystemon californicus Alice Eastwood 1921-4-24 10342 Sonoma Santa Rosa Comment
  UCD19909  Platystemon californicus C. H. Lamoureux; J. M. Tucker, J. McCaskill, and S. Armstrong 1957-4-7 1190 Sonoma Duncan Point, Sonoma Coast State Park. 15 Comment
  UCD148501  Pleuropogon Peter Rubtzoff 1966-4-30 5686 Sonoma On north side of Highway 116, 0.5 miles northwest of Stony Point Road crossing. Comment
  JEPS86342  Pleuropogon californicus Jack and Betty Guggolz 1988-3-16 903 Sonoma at the nw corner of the intersection of Fulton Road and Wood Road Comment
Read comments
Jun 29 2008
  UC1258209  Pleuropogon californicus Paul But with Raymond Auyeung 1975-5-17 P 40 Sonoma 2 mi ne of Sebastopol (1/4 mi from Hwy 12, on Llano Road) Comment
  CAS-BOT-BC260932  Pleuropogon californicus var. californicus John Thomas Howell 1944-5-14 19484 Sonoma Between Petaluma and Chileno Valley Comment
  RSA184881  Pleuropogon californicus var. californicus L. S. Rose 1965-4-4 65019 Sonoma Sonoma. 24 Comment
  RSA201212  Pleuropogon californicus var. californicus David L. Morgan 1961-4-25 s.n. Sonoma Low wet field near Stemple Creek, 3 miles southwest of Cotati. Comment
  SEINET10611512  Pleuropogon californicus var. californicus A. Arthur Heller 1902-4-15 Heller 5294 Sonoma Santa Rosa. Comment
  UCD90211  Pleuropogon californicus var. californicus Beecher Crampton 1955-4-5 2403 Sonoma 1.3 miles west of Fulton, along Woolsey Road. Comment
  CAS-BOT-BC422356  Poa Peter Rubtzoff 1976-5-30 8557 Sonoma Kenwood Marsh. Comment
  UCD92205  Poa Collector Unknown 1941-4-1 381 Sonoma field east of old S. R. Cemetary. Comment
  UCD92210  Poa Collector Unknown 1942-4-1 383 Sonoma between S. R. and County Farm. Comment
  CAS-BOT-BC255606  Poa annua Greg de Nevers 1981-4-2 612 Sonoma Pepperwood Ranch. Horse Hill mesa Comment
  CAS-BOT-BC255612  Poa annua Peter Rubtzoff 1952-3-23 884 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the E Comment
  UCD37531  Poa annua Beecher Crampton 1955-3-15 2325 Sonoma Sonoma County, town of Asti. Comment
  UCD90338  Poa annua Beecher Crampton 1955-3-15 2325 Sonoma Sonoma County, town of Asti. Comment
  CAS-BOT-BC255839  Poa kelloggii Mary P. Wells 1981-4-18 s.n. Sonoma Near So. Fork Gualala River, The Sea Ranch Comment
  CAS-BOT-BC256023  Poa pratensis Greg de Nevers 1993-5-15 10444 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC256031  Poa pratensis Peter Rubtzoff 1960-6-5 4431 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road Comment
  UCR248953  Poa pratensis Peter Rubtzoff 1976-6-18 8650 Sonoma Kenwood Marsh 120 Comment
  UCD90893  Poa secunda subsp. secunda B. A. Etcheverry 1928-4-22 s.n. Sonoma Wilbur Springs. Comment
  UCD90897  Poa secunda subsp. secunda B. A. Etcheverry 1928-4-22 s.n. Sonoma Wilbur Springs. Comment
  UCD91724  Poa secunda subsp. secunda David L. Morgan 1961-4-12 s.n. Sonoma Junction of 'I' St. Ext. and San Antonio Road. 2 miles SW of Petaluma. Comment
  CAS-BOT-BC244196  Poa trivialis Peter Rubtzoff 1960-6-8 4466 Sonoma Fife Creek Marsh Comment
  UCD36686  Poa trivialis Beecher Crampton 1955-6-17 2939 Sonoma Sonoma County, 0.5 mile south of Guerneville. Comment
  UC1023578  Poa unilateralis Virginia Bufford 1936-5-1 158 Sonoma Larkspur Rock Bodega Canyon Comment
  CAS-BOT-BC244264  Poa unilateralis Catherine Best 1984-5-11 935 Sonoma Above the ocean at Salt Point State Park Comment
  RSA0062829  Poaceae Greg de Nevers 1989-6-8 9078 Sonoma Pepperwood Ranch, 3450 Fraz Valley Rd., Santa Rosa. 100 Comment
  UCD125414  Pogogyne douglasii Peter Rubtzoff 1971-5-30 6487 Sonoma 4.25 miles west of Glen Ellen. Comment
  SBBG47335  Pogogyne douglasii P. Rubtzoff 1971-6-23 Sonoma 4.25 mi W of Glen Ellen Comment
  RSA244745  Pogogyne douglasii subsp. parviflora Peter Rubtzoff 1971-6-23 6549 Sonoma 4.25 miles west of Glen Ellen Comment
  UC1085297  Polemonium carneum J. Ewan 1935-5-13 9207 Sonoma 2 mi w Bodega (Bodega Bay road); w of Bodega, Bodega Bay road Comment
  UCD109705  Polygala californica Jennifer Bury; Peggy Herzog 1993-5-8 265 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 381 Comment
  CAS-BOT-BC110536  Polygonum Peter Rubtzoff; Nancy Harrison; Ruth Hass 1974-8-31 7853 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC164373  Polygonum Peter Rubtzoff 1970-5-30 6246 Sonoma 5 mi. north of Sears Point Comment
  CAS-BOT-BC210114  Polygonum Peter Rubtzoff 1955-5-7 1823 Sonoma Guerneville Marsh. Eastern extension of the Marsh along Pocket Canyon. Comment
  CAS-BOT-BC183622  Polygonum arenastrum Peter Rubtzoff 1955-8-7 2034 Sonoma Guerneville Marsh Comment
  UC6669  Polygonum bolanderi Michener and Bioletti July 1893 Sonoma Hoods Peak Comment
  CDA2792  Polygonum cuspidatum S. Bradbury 1969-5-7 Sonoma On College Avenue between freeway & Cleveland, Santa Rosa. 0 Comment
  RSA234546  Polygonum hydropiperoides Peter Rubtzoff 1955-8-27 2099 Sonoma Bennett Mtn Lake. Comment
  UC1446025  Polypodium Ed Lee 1978-12-2 4776 Sonoma e Santa Rosa (Annadel State Park, Spring Creek Trail ca. 50 m s of Canyon Trail jct.); Annadel State Park Comment
  SEINET11720935  Polypodium californicum F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -64 Sonoma Glen Ellen area, junction Warm Springs Road & Sonoma Mt. Road along Graham Creek Comment
  UCD158838  Polypodium californicum James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2915 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  HSC34929  Polypodium californicum Thomas W. Nelson, James Nelson 1975-3-25 1761 Sonoma Beside Hwy. 128, E of Geyserville at the Sonoma-Napa Co. line Comment
  UC1606997  Polypodium calirhiza Margaret Rockwood and L. Esposito 1995-5-10 721 Sonoma ca. 3 km. nw of Bodega town; sw Sonoma Co. Comment
Read comments
Jan 4 2007
  POM198410  Polypodium glycyrrhiza Marcus E. Jones 1931-7-5 29173 a Sonoma The Geysers. 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
  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-BC233197  Polypogon interruptus Peter Rubtzoff 1951-6-16 220 Sonoma Pitkin Marsh, near Forestville. N half of Lower Marsh Comment
  UC1056223  Polypogon interruptus Virginia E. Long 1930-9-13 7 a Sonoma about 10 mi n Cloverdale 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
  UCD91338  Polypogon monspeliensis P. B. Kennedy 1920-6-16 X 3252 Sonoma Santa Rosa; Field -- Campus -- Berkeley Comment
  UCD91340  Polypogon monspeliensis P. B. Kennedy 1920-6-17 X 3252 Sonoma Santa Rosa; Field -- Campus -- Berkeley Comment
  CAS-BOT-BC237616  Polypogon viridis David L. Morgan 1956-6-26 s.n. Sonoma Spring at Shell Beach, 0.25 mile S of Goat Rock, off State Highway 1 Comment
  UC71449  Polystichum Bioletti 1894-12-25 Sonoma Graham Canyon Comment
  UC1400815  Polystichum californicum Michener and Bioletti June, 1893 Sonoma Adobe Canyon Comment
  UC2031961  Polystichum californicum Wendy Born July 2012 Sonoma Armstrong Redwoods State Park, along the road to the Pack Station about 3/4 the way up (immediately across road from large downed tree, on right side of road) Comment
  UC479338  Polystichum californicum Marcus E. Jones, A. M. 1931-7-5 29162 Sonoma The Geysers Comment
  SEINET11718542  Polystichum californicum W. Knight, Knight, I.; Ellman, P. 1986-1 5850 Sonoma Bouverie Audubon Preserve, 0.75 mi E of parking log along fire road 46 Comment
  HSC76927  Polystichum dudleyi R. W. Becking 1983-6-28 Sonoma Glen Ellen, Bouverie Audubon Preserve. Watershed of Stuart Creek in top-most redwood grove Comment
  SEINET11719542  Polystichum dudleyi F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -236 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC102667  Populus fremontii Peter Rubtzoff 1970-6-21 6266 Sonoma tributary of Mark West Creek ca. 3 mi. west of Fulton Comment
  UCR244639  Potamogeton crispus Peter Rubtzoff 1969-8-14 6126 Sonoma Salmon Creek, 5 mi west of Bodega (town) on Salmon Creek Road, 1.1 mi west of Finlay Creek Crossing 5 Comment
  CAS-BOT-BC452132  Potamogeton crispus Peter Rubtzoff 1964-6-24 5375 Sonoma Coleman Marsh. In Salmon Creek. Comment
  UCD166102  Potamogeton foliosus Peter Rubtzoff 1971-9-1 6667 Sonoma Spring Creek Reservoir area, east of Santa Rosa. 87 Comment
  RSA800842  Potamogeton foliosus Peter Rubtzoff 1971-9-1 6667 Sonoma SPring Creek Reservoir area, east of Santa Rosa Comment
  CAS-BOT-BC257684  Potamogeton nodosus Peter Rubtzoff 1971-9-1 6669 Sonoma Spring Creek Reservoir area. Comment
  CAS-BOT-BC141947  Potentilla anserina subsp. pacifica Peter Rubtzoff 1961-5-6 4675 Sonoma Americano Creek 1/2 mi. east of Valley Ford - Sonoma County Marshes Comment
  UCD125332  Prunella vulgaris A. A. Heller 1902-6-7 5658 Sonoma Santa Rosa. Comment
  UC1288499  Prunella vulgaris var. vulgaris Andrew P. Nelson 1960-8-3 646 A Sonoma Pitkin Marsh Comment
  CAS-BOT-BC158588  Prunus James McMurphy 1908-10-3 s.n. Sonoma Smith Creek Comment
  CAS-BOT-BC356498  Pseudognaphalium beneolens Walter Knight; Irja Knight 1963-10-3 379 Sonoma Off ramp freeway US 101 & Railroad Ave., Cotati Comment
  CAS-BOT-BC356927  Pseudognaphalium californicum G. DeNevers 1981-9-5 1828 Sonoma Pepperwood Ranch. N of Pippindale Garden Comment
  CAS-BOT-BC357169  Pseudognaphalium luteoalbum Mary P. Wells 1984-7-20 420 Sonoma In So. Fork Gualala River near The Sea Ranch Comment
  CAS-BOT-BC361622  Pseudognaphalium stramineum Volney Rattan No date on label s.n. Sonoma Guerneville Comment
  UCD135205  Pseudognaphalium stramineum P. G. Connors 1992-6-9 276 Sonoma Bodega Head and Dunes. Comment
  UC767087  Pseudotsuga menziesii var. menziesii Robert F. Hoover 1941-6-7 5318 Sonoma 2 mi se Camp Meeker (on road to Camp Meeker) Comment
  CAS-BOT-BC166938  Psilocarphus Peter Rubtzoff 1966-5-30 s.n. Sonoma Laguna de Santa Rosa, northeast of Graton, ca. 0.5 mi. N of Guerneville Road. Comment
  UCD166085  Psilocarphus Peter Rubtzoff 1971-6-25 6553 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UCD166218  Psilocarphus Peter Rubtzoff 1970-5-30 6249 Sonoma 5 miles north of Sear Point. Comment
  CAS-BOT-BC362074  Psilocarphus tenellus Greg de Nevers 1992-4-28 10119 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  CDA8509  Psilocarphus tenellus var. tenellus G. A. Benincasa 1975-7-23 Sonoma Facendini Lane, Occidental. 0 Comment
  SEINET3558501 Image available Psoralea macrostachya Lewis S. Rose 1933-9-3 33358 Sonoma 2 miles west of Petrified Forest. Comment
  CAS-BOT-BC164677  Pteridium Peter Rubtzoff 1971-9-3 6699 Sonoma Southeastern border of Spring Creek Reservoir area. Comment
  RSA177987  Pteridium aquilinum var. pubescens R. F. Thorne 1965-4-20 34339 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UCD93362  Puccinellia nutkaensis Beecher Crampton 1957-7-11 4314 Sonoma At the western edge of Bodega Harbor, about 2 miles by road, west of the town of Bodega Bay. Comment
  JEPS58837  Pyrola aphylla M. E. and E. Van E. Ferguson Jun 8-10 1919 Sonoma Russian River, near Gurnewood Comment
  CAS-BOT-BC94702  Quercus X howellii D. E. Breedlove 1980-6-27 44759 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC61635  Quercus agrifolia Peter Rubtzoff 1951-8-18 639 Sonoma Pitkin marsh, near Forestville. In area separating the western branch of the Upper Marsh from the eastern Comment
  UCD45024  Quercus agrifolia Joseph P. Tracy 1939-10-14 16513 Sonoma Alexander Valley. Foothills 4 miles S.E. of Geyserville. Abundant tree. 121 Comment
  UCD45061  Quercus agrifolia John M. Tucker 1952-9-20 2625 Sonoma California Sonoma Co.; Voight Ranch, ca.1.25 mi. (airline) southwest of Cunningham, near stream, ca. 200 yards from farmhouse; small, young tree ca. 8-10 ft. tall. 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
  UCSB1142  Quercus berberidifolia Keator, Glenn 1959-4-2 Sonoma 0.7 miles east on Cavedale road and 2.0 miles from Agua Caliente Comment
  CAS-BOT-BC86005  Quercus douglasii Peter H. Raven 1955-8-27 8756 Sonoma 3.2 mi N of Sears Point on State Route 37 Comment
  JEPS37398  Quercus douglasii W. H. Calhoun 1907-10-21 Sonoma Windsor Comment
  CAS-BOT-BC79570  Quercus dumosa G. De Nevers 1981-9-5 1822 Sonoma In the W arm of the Garrison Canyon Comment
  UCD166584  Quercus durata Dylan O. Burge 2016-8-21 2124 Sonoma Mayacmas Mountains, western slope of Hooker Canyon. 500 Comment
  SJSU16081  Quercus garryana Allen W. Jacobs 1935-7-1 5 Sonoma Found on Russian River terrace; across the river from Hilton. Found well up and near the end of the trail above Summer Home park. High up SW facing slope past 2nd road and at end of off wood road at right. Comment
  UC1084449  Quercus garryana G. Thomas Robbins 1940-3-24 307 Sonoma ca 6 mi ne Santa Rosa; Rincon Ridge 167 Comment
  UC1299699  Quercus garryana Freed W. Hoffman 1947-4-3 670 Sonoma Wild Hog Ridge North Coast Ranges Comment
  UCD46201  Quercus garryana Roman Gankin 1967-10-4 1078 7 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  OBI14250  Quercus garryana var. garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 mi NE of Penngrove 366 Comment
  HSC8257  Quercus kelloggii L. S. Rose 1964-6-27 64058 Sonoma 2 mi N of Sonoma 274 Comment
  UCD46874  Quercus lobata J. M. Tucker 1950-11-5 2010 Sonoma Large tree beside Highway 28, ca. 6 miles northwest of Calistoga, in Sonoma County, California. Comment
  UCD163613  Quercus parvula var. shrevei John M. Tucker; Lois W. Weeth 1998-10-6 4497 Sonoma Highway 128, 0.2 mi. south of the Sonoma-Mendocino County line. Comment
Read comments
Sep 19 2016
  UC1135382  Quercus wislizeni E. Armstrong 1934-3-26 908 Sonoma 1 mi w Camp Meeker; Sebastopol Quad. 152 Comment
  CAS-BOT-BC379158  Ranunculus aquatilis var. aquatilis Greg de Nevers 1992-4-21 10112 Sonoma Pepperwood Natural Preserve; 3450 Franz Valley Road, and surrounding sections, westernmost Double Pond 00000000000000000000000 457 Comment
  CAS-BOT-BC379125  Ranunculus aquatilis var. diffusus Peter Rubtzoff 1962-8-22 5057 Sonoma Bodega Bay Marsh Comment
  JEPS73359  Ranunculus aquatilis var. subrigidus Edward Lee 1934-4-30 749 Sonoma 1 mi w Two Rock Junction Comment
  CAS-BOT-BC378693  Ranunculus californicus var. californicus Peter Rubtzoff 1955-4-30 1792 Sonoma Stormy Point Marsh Comment
  CAS-BOT-BC378706  Ranunculus californicus var. californicus Peter Rubtzoff 1969-6-14 6072 -E Sonoma vernal pool 6.5 mi northeast of Penngrove, on Lichen Road 426 Comment
  JEPS54969  Ranunculus canus Willis L. Jepson 1892-3-25 Sonoma near Alpine School; Gates Canyon Comment
  UCD161257  Ranunculus hebecarpus James A Neilson Jr.; Teresa A. Sholars 1976-5-11 s.n. 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
  CAS-BOT-BC83409  Ranunculus lobbii Peter Rubtzoff 1972-3-31 6721 Sonoma Todd Road 1.4 mile from Highway 116 and 0.6 mile from Llano Road. Comment
  CAS-BOT-BC83412  Ranunculus lobbii J. Penalosa 1961-5-24 1571 Sonoma Upper Stemple Creek Marsh. Comment
  UCD144424  Ranunculus muricatus Caitlin Lewis; William Mutch 1993-4-17 7 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 Mountain 1 mile. Near visitor center. 365 Comment
  SEINET7067254  Ranunculus occidentalis A. G. Vestal 1947-5-13 s.n. Sonoma About 0.6 miles north of Annapolis and towards Bushy Ridge. Coordinate datum: NAD27. Comment
  CAS-BOT-BC251225  Ranunculus orthorhynchus var. platyphyllus Peter Rubtzoff 1962-5-11 4827 Sonoma Freestone marsh. Comment
  JEPS87238  Ranunculus pusillus Jack and Betty Guggolz 1992-5-6 1273 Sonoma about 1 1/4 mi nw Windsor 42 Comment
  RSA534578  Ranunculus pusillus Peter Rubtzoff 1969-5-24 6063 Sonoma 6.5 miles SE of Penngrove, on Lichan Road. 427 Comment
  CDA18779  Raphanus sativus Boris Korotyaev 2000-3-28 s.n. Sonoma Northern California; Bodega Bay. 0 Comment
  CDA31337  Rhamnus californica D. G. Kelch, Ed Biffin 2010-5-3 10 .193 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. 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
  UC18564  Rhamnus californica subsp. californica Mrs. Newhall 1901-1 Sonoma Camp Meeker Comment
  JEPS78946  Rhamnus californica subsp. californica Edward Lee 1936-6-8 2213 Sonoma North Ridge to Smith Creek (Trail 3A) Comment
  CAS-BOT-BC53744  Rhododendron columbianum Peter Rubtzoff 1951-6-2 106 Sonoma Pitkin Marsh, near Forestville - Western branch of the Upper Marsh Comment
  UC634738  Rhododendron macrophyllum H. L. Mason 1928-7-11 4894 Sonoma 2 mi n of Fort Ross Comment
  CAS-BOT-BC226794  Rhododendron occidentale G. F. Hrusa 1989-6-7 7174 Sonoma Above Franz Valley School Rd. immed. W of Sonoma/Napa Co. line 259 Comment
  CAS-BOT-BC200338  Rhododendron occidentale var. occidentale Volney Rattan 1877-6-17 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC200346  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-17 277 Sonoma Northern half of Lower Marsh Comment
  CDA16153  Rhododendron occidentale var. occidentale R. Gross 1999-7-2 s.n. 1 Sonoma North Coast Ranges; NW side of Mt. St. Helena, seep below Ida Clayton Rd. (3 separate inds. on sheet.) 0 Comment
  RSA94351  Rhododendron occidentale var. paludosum Peter Rubtzoff 1951-6-17 277 Sonoma Northern half of Lower Marsh; in a thicket 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
  RSA90512  Rhynchospora californica Milo S. Baker 1945-7-18 11112 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111927  Rhynchospora recognita John Thomas Howell 1945-8-14 21393 Sonoma Perry Marsh Comment
  UCR255687  Ribes divaricatum Greg de Nevers 1998-4-27 11204 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  RSA0021903  Ribes menziesii Peter Rubtzoff 1969-8-14 6124 Sonoma Salmon Creek Road, 3.75 mi. west of Bodega (town). Vicinity of Coleman Valley Creek. Comment
  CAS-BOT-BC198923  Ribes roezlii var. cruentum R. Bacigalupi 1948-3-6 2857 Sonoma Slopes of Mayacamas Range, on road from the Geysers to Geyserville. Comment
  UC75453  Ribes roezlii var. cruentum Milo S. Baker 1898-4-4 23 Sonoma Sea View Comment
  RSA0024609  Ribes roezlii var. cruentum A. A. Heller, H. E. Brown 1902-3-12 5037 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  JEPS76923  Ribes sanguineum var. glutinosum Robert M. Lloyd 1963-2-24 2056 Sonoma 4 mi s State Highway 12 (above State Highway 1) 15 Comment
  CAS-BOT-BC168765  Ribes victoris A. A. Heller 1902-6-26 5773 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UC79623  Ribes victoris Michener and Bioletti Apr. 1893 Sonoma Adobe Canyon Comment
  CAS-BOT-BC74703  Rorippa curvisiliqua Peter Rubtzoff 1961-5-24 4600 Sonoma Upper Stemple Creek Marsh. Comment
  RSA0025116  Rorippa curvisiliqua var. occidentalis Peter Rubtzoff 1974-6-2 7517 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC152653  Rosa californica Alice Eastwood; John Thomas Howell 1936-5-19 2522 Sonoma 2 miles n. of Windsor Comment
  CAS-BOT-BC152666  Rosa californica Greg de Nevers 1986-11-7 8116 Sonoma Riebli Rd., NE of Santa Rosa 150 Comment
  CAS-BOT-BC146771  Rosa gymnocarpa Peter Rubtzoff 1953-5-17 1387 Sonoma South of Guerneville (Neeley Hill area) Comment
  CAS-BOT-BC146919  Rosa spithamea Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC146921  Rosa spithamea Milo S. Baker 1947-5-7 11755 Sonoma Hood Mt. E. of residence of Macartney Ranch, Summit of Rose Butte 228 Comment
  CAS-BOT-BC251222  Rosaceae Peter Rubtzoff 1966-11-9 5838 Sonoma Along Salmon Creek, near Freestone. Comment
  CAS-BOT-BC262812  Rubus Peter Rubtzoff 1954-7-27 1590 Sonoma Guerneville Marsh; north end of marsh. Comment
  UCD113763  Rubus armeniacus Mary M. Hektner 1975-8-14 221 Sonoma on fence along State Highway 1, just north of Galleons Reach, Sea Ranch. Comment
  UCD113551  Rubus armeniacus Frederica Bowcutt 1994-5-21 1836 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. On side of hillside trail past junction with Digger Pine Trail approximately 1 mile. 411 Comment
  SD254702  Rubus parviflorus Ann Howald 2015-4-1 3312 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 11.5 miles west of intersection with Rockpile Rd, Warm Springs drainage. 408 Comment
  RSA800355  Rubus spectabilis Peter Rubtzoff 1959-6-6 4089 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC158720  Rubus ulmifolius Walter Knight; Irja Knight; Keith Wagnon 1984-8-30 5064 Sonoma Between Enterprise Road and Cooper's Graove on Sonoma Mt. Road Comment
  RSA783795  Rumex Peter Rubtzoff 1971-6-29 6579 Sonoma Pitkin Marsh. Area 27. Comment
  RSA784563  Rumex Peter Rubtzoff 1962-6-22 4949 Sonoma Fife Creek Marsh. Comment
  RSA94324  Rumex acetosella Peter Rubtzoff 1951-7-7 376 Sonoma Pitkin Marsh, near Forestville: Eastern branch of NE upper Marsh in partial shade on damp ground Comment
  UCD101040  Rumex acetosella P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC421850  Rumex conglomeratus C. F. Leithold 1893-7-1 s.n. Sonoma Bennet [Bennett] Valley Comment
  CAS-BOT-BC166673  Rumex fueginus Peter Rubtzoff 1968-9-21 5972 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCR279630  Rumex obtusifolius Peter Rubtzoff 1962-10-23 5121 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  CAS-BOT-BC433739  Rumex occidentalis Alice Eastwood 1921-5-8 10459 Sonoma Petaluma Comment
  CAS-BOT-BC433868  Rumex salicifolius John Thomas Howell 1957-10-12 32997 Sonoma About 1 mi. sw. of Sonoma Comment
  CAS-BOT-BC434142  Rumex transitorius Alice Eastwood; John Thomas Howell 1938-7-6 6087 Sonoma Alder Glen Springs Comment
  CAS-BOT-BC454116  Ruppia cirrhosa Peter Rubtzoff 1962-8-3 5033 Sonoma Lower Salmon Creek Marsh. Comment
  CDA2403  Rytidosperma penicillatum Barbara Ertter 2003-7-19 18246 Sonoma Behind community center on west side of Hwy 1 north of town, Bodega Bay. 0 Comment
  CAS-BOT-BC249312  Sagina Peter Rubtzoff 1960-5-18 4377 Sonoma Bodega Head Marsh. Comment
  UC905115  Sagina decumbens subsp. occidentalis Milo S. Baker 1947-4-25 11703 Sonoma e. of football field Santa Rosa Jr. College Comment
  UCD98456  Sagina procumbens Wm. E. Maddison 1991-5-9 s.n. Sonoma town of Windsor, 341 Windflower Ct. Comment
  CAS-BOT-BC445688  Sagittaria cuneata Peter Rubtzoff 1955-10-12 2167 Sonoma East Guernewood, near Guerneville. Comment
  CAS-BOT-BC445771  Sagittaria latifolia Peter Rubtzoff 1951-8-19 663 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC445781  Sagittaria latifolia John Thomas Howell 1945-7-18 21316 Sonoma Pitkin Marsh Comment
  UC728605  Sagittaria latifolia Milo S. Baker 1945-7-18 11119 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC157666  Salicornia Peter Rubtzoff 1963-8-17 5222 Sonoma Petaluma Creek just east of Petaluma. Comment
  CAS-BOT-BC290594  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7347 Sonoma Kenwood Marsh. Comment
  RSA0015572  Salix Peter Rubtzoff 1973-10-10 7337 Sonoma Salmon Creek, 0.25 mi south of Freestone along creek canyon. Comment
  RSA0037214  Salix Peter Rubtzoff 1973-9-9 7326 Sonoma Kenwood Marsh. At south margin of the area. Comment
  RSA0037215  Salix Peter Rubtzoff, James E. Eckenwalder 1974-4-6 7346 Sonoma Kenwood Marsh. At south margin of the area. Comment
  RSA0037216  Salix Peter Rubtzoff, James E. Eckenwalder 1974-4-6 7353 Sonoma Kenwood Marsh Comment
  POM209562  Salix babylonica W. A. Setchell 1934-3-17 s.n. Sonoma Valley Ford Road. 6 miles from Petaluma. Comment
  CAS-BOT-BC103075  Salix bonplandiana Maxine Wilkes 1933-5-21 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC103082  Salix bonplandiana M. S. Baker 1930-4-11 3946 Sonoma Banks of Santa Rosa Creek Comment
  CAS-BOT-BC103085  Salix bonplandiana Peter Rubtzoff 1957-5-4 3320 Sonoma Vacation Beach, near Guerneville; bank of Russian River Comment
  CAS-BOT-BC103091  Salix bonplandiana Peter Rubtzoff 1961-10-23 4782 Sonoma Laguna de Santa Rosa area northeast of Graton Comment
  RSA534570  Salix bonplandiana Peter Rubtzoff 1963-10-5 5291 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  CAS-BOT-BC103946  Salix exigua Peter Rubtzoff 1960-5-29 4422 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  POM219057  Salix exigua Carleton R. Ball, Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 38 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  SEINET10380777  Salix exigua A. A. Heller 1902-4-8 5224 Sonoma Bennet Valley, SE of Santa Rosa. Comment
  SEINET10393011  Salix laevigata A. A. Heller 1902-4-22 5346 Sonoma Santa Rosa Creek, near Santa Rosa. Comment
  SEINET10393028  Salix laevigata A. A. Heller 1902-4-18 5329 Sonoma On Russian River, near Windsor. Comment
  UC353926  Salix lasiandra subsp. lasiandra Milo S. Baker 1928-3-17 2732 Sonoma 1 mi. e. of town Santa Rosa Creek Comment
  UC726800  Salix lasiandra subsp. lasiandra A. A. Heller 1900-3-18 5098 Sonoma Santa Rosa Creek near Santa Rosa Comment
  CAS-BOT-BC128058  Salix lasiandra var. lasiandra Peter Rubtzoff; Theodore J. Crovello 1964-9-3 5494 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC128051  Salix lasiandra var. lasiandra Walter Knight; Irja Knight; Dr. Steve Edwards 1986-9-9 5250 Sonoma Norborn Road, near Sonoma Comment
  CAS-BOT-BC107096  Salix lasiolepis Peter Rubtzoff 1952-3-23 894 Sonoma south of the Upper Marsh Comment
  CAS-BOT-BC107251  Salix lasiolepis A. A. Heller 1902-3-18 5096 Sonoma Santa Rosa Creek, east of Santa Rosa 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
  RSA534496  Salix lasiolepis Peter Rubtzoff, J. Eckenwalder 1973-10-3 7333 Sonoma Along Salmon Creek. 0.75 mile NW of Freestone. Comment
  UC1135035  Salix lasiolepis H. S. Yates 1934-4-21 3779 Sonoma near Bodega Bodega; Sebastopol quad. Comment
  UC453084  Salix lasiolepis W. A. Setchell 1931-7-25 5 Sonoma Bohemian Grove Russian River (lower bank of river, near Monte Rio) Comment
  UCD111635  Salix lasiolepis G. F. Hrusa 1998-3-15 14153 A Sonoma Hwy 128 at Lake Hennessey. 175 Comment
  CAS-BOT-BC107356  Salix lasiolepis var. bigelovii A. A. Heller 1902-3-28 5177 Sonoma Bodega Bay Comment
  POM281344  Salix lasiolepis var. bigelovii Carleton R. Ball, B. S. Ball 1933-5-6 2501 Sonoma 4 miles SW of Calistoga. On road to Petrified Forest and just over the Napa Co line. Comment
  RSA534503  Salix lasiolepis var. bigelovii Peter Rubtzoff, T. J. Covello 1964-9-3 5495 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC128320  Salix lasiolepis var. lasiolepis A. A. Heller 1902-8-23 5097 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC128314  Salix lasiolepis var. lasiolepis Ida Geary 1979-6-2 s.n. Sonoma Warm Springs Dam Comment
  RSA534562  Salix melanopsis Peter Rubtzoff 1978-7-19 9237 Sonoma Russian River at Del Rio Beach. Ca 2.5 miles E of Healdsburg on So. Fitch Mtn. Rd. Comment
  SD918  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Bohemian Grove, near Monte Rio, gravelly bed pf Russian River Comment
  CAS-BOT-BC126181  Salix scouleriana Peter Rubtzoff 1962-6-13 4908 Sonoma Freestone Marsh Comment
  CAS-BOT-BC126192  Salix scouleriana Ynes Mexia 1933-2-18 s.n. Sonoma Four miles south of Camp Meeker Comment
  CAS-BOT-BC126195  Salix scouleriana H. E. McMinn 1922-6-7 189 Sonoma 1 mile from Monte Rio Comment
  UC1010343  Salix scouleriana Milo S. Baker 1929-4-12 3428 a Sonoma w. of Occidental (on Coleman Valley Rd.) Comment
  UC482057  Salix scouleriana Baker, Ball, Bracelin, and Crum 1931-5-9 342 Sonoma 2 km. e. Occidental (on Occidental grade) Comment
  UC524790  Salix scouleriana W. A. Setchell 1934-7-10 8 Sonoma Ridge Hwy. above Fort Ross Comment
  UCR142842  Salix scouleriana Milo S. Baker, C. R. Ball, Mrs. H. P. Bracelin, Ethel Crum 1931-5-9 342 Sonoma Coast Range, 2 km east of Occidental on Occidental Grade Comment
  RSA90536  Salix scouleriana Milo S. Baker 1939-4-12 3428 -c Sonoma W of Occidental 0.5 mile Coleman Valley Rd Comment
  UC482068  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 344 Sonoma 2 km. e. Bodega Bay (on Santa Rosa-Bodega Hwy., <Larkspur Rock>) Comment
  UC482107  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 36 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  UC482108  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 36 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  UC524782  Salix sitchensis W. A. Setchell 1934-7-10 2 Sonoma opposite C. Call's house Fort Ross (Coast Hwy.) 30 Comment
  CAS-BOT-BC366941  Salvia columbariae Greg de Nevers 1993-5-30 10466 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa along Piney Canyon Rd. from Bald Hills 400 Comment
  SEINET12329797  Salvia columbariae W. Knight, Knight, I.; Edwards, S. 1986-1 5339 Sonoma Geyser Peak, Access from Healdsburg-Geysers Road 869 Comment
  CAS-BOT-BC225210  Salvia sonomensis F. H. Utech; Walter Knight; Irja Knight 1984-4-16 84 -099 Sonoma Ca. 4.0 mi NNW of Sonoma on Cavedale Road from junction with CA Hwy 12, ca 1.6 mi N on Cavedale Road from junction 396 Comment
  CAS-BOT-BC225217  Salvia sonomensis Walter Knight; Irja Knight 1963-8-23 195 Sonoma Joost Ranch, Calistoga Rd. 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
  UC192603  Salvia sonomensis Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  UCD158730  Sambucus nigra subsp. caerulea Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 1.5 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 792 Comment
  OBI39520  Sambucus racemosa var. racemosa F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-17 84 -160 Sonoma Ca 5.0 mi E of Bridgehaven on Willow Creek rd 145 Comment
  JEPS98655  Sanicula bipinnatifida O. Gomez, R. Power, E. and P. Vargas 1996-4-7 8 PV96 Sonoma Armstrong Redwoods, ridge over Bullfrog pond Cazadero Comment
  CAS-BOT-BC223347  Sanicula bipinnatifida G. H. Mallory 1920-3-29 s.n. Sonoma East end of Sonoma Ave, Santa Rosa Comment
  RSA52124  Sanicula bipinnatifida A. A. Heller, H. E. Brown 1902-3-14 5066 Sonoma Near Windsor Comment
  UCD20065  Sanicula bipinnatifida C. H. Lamoureux; J. M. Tucker, J. McCaskill, and S. Armstrong 1957-4-7 1195 Sonoma 1 mile north of junction of Hwy 12 and Calistoga Rd., near Santa Rosa. 15 Comment
  UC1348908  Sanicula crassicaulis Robert F. Thorne 1965-4-20 34325 Sonoma 2 1/2 mi n of Santa Rosa (and 1 mi n of Sonoma County Hospital, Parker Hill Road); Parker Hill Road 106 Comment
  SEINET13945233 Image available Sanicula menziesii Carl B. Wolf 1934-1 5804 Sonoma 0.6 mi inland from Stewarts Point, alt. ca 200 ft 61 Comment
  RSA799991  Saponaria Peter Rubtzoff 1967-8-18 5849 Sonoma 6 mi east of Guerneville. Comment
  UC480598  Saxifraga integrifolia Carl Meyer 1928-4-3 324 Sonoma Santa Rosa Comment
  UC1084361  Saxifraga mertensiana G. Thomas Robbins 1937-3-26 24 Sonoma near Bodega Bay Comment
  RSA178009  Scandix pecten-veneris R. F. Thorne 1965-4-19 34262 Sonoma Cotati, Waters Ranch 30 Comment
  CAS-BOT-BC283140  Schedonorus arundinaceus G. De Nevers 1982-4-30 1966 Sonoma Philli's Lake, Pepperwood Ranch Comment
  CAS-BOT-BC283147  Schedonorus arundinaceus David L. Morgan 1956-5-13 s.n. Sonoma 1/2 mile west of Lakeville on Stage Gulch Road Comment
  CAS-BOT-BC311818  Schedonorus arundinaceus Peter Rubtzoff 1958-5-17 3674 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  RSA0022393  Schedonorus arundinaceus Peter Rubtzoff 1960-6-9 4468 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  UCD65886  Schedonorus arundinaceus David L. Morgan 1958-8-7 Sonoma Just SE of Valley Ford city limits. Comment
  CAS-BOT-BC111528  Schoenoplectus americanus Peter Rubtzoff 1972-8-26 6861 Sonoma Stony Point Marsh. Comment
  RSA540070  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4573 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC111658  Schoenoplectus mucronatus Peter Rubtzoff; Nancy Harrison 1974-8-31 7858 Sonoma Hinebaugh Creek in Rohnert Park, creek just east of the Commerce Blvd. crossing. Comment
  CAS-BOT-BC111802  Schoenoplectus pungens var. badius Walter Knight; Irja Knight 1963-8-13 176 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC111805  Schoenoplectus pungens var. badius Peter Rubtzoff 1959-6-20 4165 Sonoma Willow Creek Marsh. Comment
  UCD50153  Schoenoplectus pungens var. badius Mary M. Hektner 1975-6-3 201 Sonoma Unit 28 Owner's Map, Sea Ranch, near State Highway 1, Sonoma County, California. Comment
  CAS-BOT-BC111838  Schoenoplectus tabernaemontani Peter Rubtzoff 1986-8-31 9734 Sonoma Russian River at Forest Hills, 5.5 miles East of Guerneville. Comment
  CAS-BOT-BC111112  Scirpus microcarpus Peter Rubtzoff 1955-9-24 2152 Sonoma Duncans Mills Marsh. Comment
  UCR255659  Scirpus microcarpus Greg de Nevers 1997-4-1 10925 Sonoma Santa Rosa, Pepperwood Ranch, 3450 Franz Valley Road 400 Comment
  CAS-BOT-BC111115  Scirpus microcarpus John Thomas Howell 1951-5-28 s.n. Sonoma Laguna east of Sebastopol. Comment
  RSA94002  Scirpus microcarpus Peter Rubtzoff 1951-6-10 207 Sonoma Pitkin Marsh, near Forestville. A damp opening south of the Upper Marsh. Comment
  SEINET12058066  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
  UCSB705  Scoliopus bigelovii Keator, Glenn 1959-4-1 Sonoma About abandoned picnic grounds, 1 miles southeast of northern city limits of Camp Meeker Comment
  CAS-BOT-BC240036  Scribneria bolanderi John Thomas Howell 1965-3-25 41034 Sonoma 3 miles se. of Sonoma 76 Comment
  UC444983  Scrophularia californica Milo S. Baker May 1899 Sonoma Stewart's Canyon Comment
  UCD160751  Scrophularia californica James A. Neilson Jr. 1975-5-23 3208 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  UCR249357  Scrophularia californica Peter Rubtzoff 1960-5-22 4412 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  CAS-BOT-BC376397  Scrophulariaceae Greg de Nevers 1995-12-3 10777 Sonoma Ida Clayton Road over Mt. St. Helena, 3 miles north of Highway 128. 182 Comment
  RSA177925  Scutellaria tuberosa Robert F. Thorne 1965-4-20 34373 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  CAS-BOT-BC371428  Sedella pumila Greg de Nevers 1997-4-16 10941 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  CAS-BOT-BC417851  Sedella pumila Milo S. Baker 1940-4-24 9551 Sonoma along Sonoma--Santa Rosa Hiwy, just N of Agua Caliente Comment
  CAS-BOT-BC366869  Selaginella wallacei Greg de Nevers 1998-4-26 11194 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Al Cuneo's property in Sec. 6 400 Comment
  UC485215  Senecio aronicoides H. P. Chandler 1907-4-21 7528 Sonoma road from Glen Ellen to Oakville Comment
  CAS-BOT-BC327426  Senecio flaccidus var. douglasii Volney Rattan 1887-7-25 s.n. Sonoma Valley Springs Comment
  JEPS77268  Senecio sylvaticus Robert M. Lloyd 1963-4-24 2404 Sonoma 18.9 mi e State Highway 12 (on road to Oakdale) Comment
  RSA247448  Senecio sylvaticus Peter Rubtzoff 1969-8-14 6135 Sonoma Coleman Marsh. Comment
  UC1084374  Senecio vulgaris G. Thomas Robbins 1937-3-27 47 Sonoma Santa Rosa Comment
  UCD133859  Senecio vulgaris Frederica Bowcutt 1996-3-24 2077 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 Mountian. Along Lower Bald Mtn. Trail on first switchback. 441 Comment
  CAS-BOT-BC80327  Sequoia sempervirens Peter Rubtzoff 1983-7-30 9669 Sonoma Annapolis area, near the road from [Annopolis] Annapolis to the coast, 3.6 miles from Hwy 1 Comment
  JEPS48268  Sequoia sempervirens W. L. Jepson 1903-10-4 2367 A Sonoma Eagle's Nest Camp Russian River Comment
  RSA96840  Sequoia sempervirens P. C. Everett, E. K. Balls 1954-10-20 20380 Sonoma 3.5 mi W of Sebastopol, Sebastopol to Freestone. Comment
  UCR255867  Setaria pumila Greg de Nevers 1996-9-22 10877 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC240273  Setaria viridis John Thomas Howell; Walter Knight; Irja Knight 1987-5-21 6237 Sonoma Todd Road Preserve 24 Comment
  RSA264737  Sherardia arvensis Peter Rubtzoff 1971-5-8 6453 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  UC73427  Sidalcea diploscypha Milo S. Baker 1898-5-7 Sonoma Glen Ellen Comment
  UC871442  Sidalcea diploscypha Alice Eastwood 1915-6-5 4586 Sonoma Petrified Forest Comment
  UC1299201  Sidalcea diploscypha Freed W. Hoffman 1950-5-27 3592 Sonoma on Healdsburg-Guerneville Highway North Coast Ranges, Roy Litton Ranch (Roy Litton Ranch) Comment
  UCD116783  Sidalcea malviflora Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-24 054 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC205607  Sidalcea malviflora Dorothy Scherer 1996-6-3 049 B Sonoma M.M. 34.00 halfway to ocean. Fort Ross State Historic Park 18 Comment
  UCSB50223  Sidalcea malviflora Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 16 Comment
  SEINET4854003  Sidalcea malviflora subsp. laciniata C. Leo Hitchcock 1952-6-4 19582 Sonoma About 2 miles east of Sebastopol on road to Petaluma. Comment
  JEPS21824  Sidalcea malviflora subsp. purpurea Gayle Westigard 1958-5-9 71 Sonoma on the coast near sea level Plantion (Plantation) 0 Comment
  SDSU8176  Sidalcea malviflora subsp. purpurea D. F. Howe 1966-6-2 4260 Sonoma Coast 3 miles north of Bodega Bay Comment
  RSA0020347  Sidalcea oregana subsp. valida Peter Rubtzoff 1979-7-15 9292 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 mi west of its junction with Franz Valley Road. Comment
  CAS-BOT-BC320567  Silene Peter Rubtzoff 1971-7-3 6589 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC361365  Silene coniflora Greg de Nevers 1997-4-16 10931 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  CAS-BOT-BC392490  Silene gallica John H. Thomas 1976-6-16 18334 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC392497  Silene gallica Peter Rubtzoff 1952-5-10 1020 Sonoma Bordering the Upper Marsh in the east. Comment
  SEINET11933908  Silene gallica F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -185 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  UCD98635  Silene gallica Frederica Bowcutt; Botany 102 Students 1994-5-21 1814 Sonoma Sugarloaf Ridge State Park; about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. Along Meadow Trail about 3/4 mile from trailhead. East from trail about 100 yards. 426 Comment
  UC8454  Silene scouleri subsp. grandis Alice Eastwood 1900-7-4 Sonoma Bodega Point; ; Bodega Point, Sonoma Co. Comment
  SEINET11807289  Silybum marianum F. H. Utech 1986-1 86 -127 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 250 Comment
  JEPS128208  Sisyrinchium bellum Roger Raiche 2000-4-20 038 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET12048679  Sisyrinchium bellum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -085 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  UC844172  Smilacina racemosa Mrs. E. C. Sutliff Aug. 1920 Sonoma near Annapolis 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
  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
  NY820383  Solanum xanti A. A. Heller 1902-3-16 5076 Sonoma Russian River, Near Trenton Comment
  CAS-BOT-BC344888  Solidago Peter Rubtzoff 1961-10-18 4766 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC365585  Solidago elongata Peter Rubtzoff 1951-9-16 750 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC365582  Solidago elongata Walter Knight; Irja Knight 1963-9-10 247 Sonoma Corner San Antonio Rd & D St. Ext. Comment
  SEINET11807361  Solidago occidentalis W. Knight, Knight, I. 1984-1 5428 Sonoma Willow Creek Rd 61 Comment
  SEINET11807811  Solidago occidentalis W. Knight, Wagnon, K. 1987-1 6106 Sonoma Willow Brook, N of Petaluma Comment
  POM232056  Solidago spathulata Roxana S. Ferris 1937-8-19 9378 Sonoma 1.5 miles north of Fort Ross on State Highway 1. Comment
  UCD136065  Solidago spathulata G. F. Hrusa; G. L. stebbins, J. McCaskill 1993-9-14 11419 Sonoma along Cavedale Road approximately 2.7 miles east of Highway 12. 400 Comment
  CAS-BOT-BC361394  Solidago velutina subsp. californica Greg de Nevers 1993-7-27 10477 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa S slope of Telegraph Hill 400 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-BC365261  Solidago velutina subsp. californica Alice Eastwood 1915-6-29 4804 Sonoma Bodega Point Comment
  CAS-BOT-BC173669  Soliva sessilis Peter Rubtzoff 1955-8-7 2036 Sonoma Guerneville Marsh. Comment
  UCD136117  Soliva sessilis P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC173670  Soliva sessilis Peter Rubtzoff 1963-5-26 5137 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC173831  Soliva sessilis Peter Rubtzoff 1960-5-16 4341 Sonoma Duncans Mills Marsh. Comment
  UCD32631  Soliva sessilis Beecher Crampton 1954-6-24 2005 Sonoma Sonoma - Napa County: 5 miles northeast Calistoga, along highway 128, in roadbed. Comment
  CAS-BOT-BC374525  Sonchus asper G. DeNevers 1981-4-25 813 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  CAS-BOT-BC236591  Sorghum halepense David L. Morgan 1956-7-7 s.n. Sonoma On Stage Gulch Road, 2 1/2 mi. NW of Lakeville 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
  CAS-BOT-BC390050  Spergula arvensis Mary P. Wells 1984-5-9 266 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  SEINET7040127  Spergula arvensis A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  UCD99214  Spergularia macrotheca Mary M. Hektner; Cathy Hendel 1974-7-25 176 Sonoma at west end of Fish Rock Road; Unit 35-A Owners' Map, Sea Ranch, near Highway 1. Comment
  SD39611  Spergularia macrotheca var. macrotheca Edith A. Purer 1932-7-21 4053 Sonoma Bodega Bay. Comment
  CAS-BOT-BC390518  Spergularia macrotheca var. macrotheca Alice Eastwood; John Thomas Howell 1937-5-31 4502 Sonoma 6 miles north of Bodega Bay Comment
  CAS-BOT-BC320523  Spergularia rubra Peter Rubtzoff 1974-7-29 7789 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  CAS-BOT-BC390730  Spergularia rubra John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53937 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  NY505335  Spergularia rubra B. J. Ertter 1988-11-5 8027 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge 152.4 Comment
  UCR254753  Spiranthes porrifolia Peter Rubtzoff 1969-6-27 6103 Sonoma 6.5 miles NE of Penngrove on Lichau Road 427 Comment
  CAS-BOT-BC500700  Stachys Peter Rubtzoff 1962-6-13 4910 Sonoma Freestone Marsh Comment
  UC884281  Stachys chamissonis Marcus E. Jones, A. M. 1882-7-17 3448 Sonoma Duncan's Mills Comment
  SEINET9365554  Stachys rigida Unknown 1994-5-25 Sonoma Bodega Head East Comment
  UCSB23992  Stachys rigida McCarthy, Sharon 1965-4-16 Sonoma Corner of 5th Street West and Verano Ave; Sonoma 60 Comment
  SEINET9286426  Stachys rigida var. quercetorum John Nelson, Wnek, Richard 2000-3-7 21352 Sonoma Guerneville Comment
  UCD160883  Stachys rigida var. quercetorum James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3279 Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC366880  Stachys stricta Greg de Nevers 1993-8-8 10485 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At marsh above Skovie, at base of Telegraph Hill. 400 Comment
  CAS-BOT-BC251171  Stellaria Peter Rubtzoff 1967-8-28 5866 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  UCD166315  Stellaria Peter Rubtzoff 1967-8-22 5852 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC293752  Stellaria media Peter Rubtzoff 1955-5-21 1863 Sonoma Forestville Marsh. North-facing slope bordering the marsh in the south. Comment
  RSA800341  Stellaria media Peter Rubtzoff 1955-5-21 1863 Sonoma Forestville Marsh. Comment
  UCD99381  Stellaria media Frederica Bowcutt; Kate Mawdsley 1996-3-24 2066 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 miles NW of Napa. About 1 air mile S of Red Mtn, just S of Sonoma Creek. 365 Comment
  UC1299292  Stephanomeria elata Freed W. Hoffman 1946-9-26 579 Sonoma road to Layton Mine, Austin Creek North Coast Ranges, Austin Creek Comment
  UCR74759  Stipa formicarum M. E. Barkworth, D. Amme 1989-6-15 5170 Sonoma c. 2 mi north of Jenner on US Hwy 1 70 Comment
Read comments
Aug 4 2008
  JEPS128386  Stipa lepida Roger Raiche 2000-5-4 063 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET10508398 Image available Stipa pulchra A. Arthur Heller 1902-4-9 Heller 5252 Sonoma In a railroad cut three miles S of Healdsburg Comment
  UCD168057  Streptanthus James Neilson 1978-6-17 3968 Sonoma Mayacmas Mountains, east of Shell Well Site E. (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
  CAS-BOT-BC61158  Streptanthus barbiger R. D. Stone; G. Clifton 1983-6-16 549 Sonoma Along Burma (Kincaid) Road, headwaters of the Cobb Creek drainage. Ca. 0.4 mile southwest of Geyser Rock. 1005 Comment
  UC1492715  Streptanthus barbiger Freed W. Hoffman 1948-6-1 2334 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UC1736738  Streptanthus barbiger Dean W. Taylor 1998-6-22 16682 Sonoma Geysers Area, serpentine barren along John King Cade Road; headwaters Cobb Creek 975 Comment
  UC956504  Streptanthus barbiger Freed W. Hoffman 1948-6-1 2334 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UC963921  Streptanthus barbiger Milo S. Baker 1947-5-30 11775 Sonoma along grade ca 2 mi ne Occidental; North Bay Counties, Harrison Grade Comment
  CAS-BOT-BC61157  Streptanthus barbiger R. D. Stone 1983-6-14 534 Sonoma Headwaters of Squaw Creek drainage, 0.8 mile northwest of Geyser Rock. 960 Comment
  UCR67077  Streptanthus brachiatus subsp. brachiatus L. F. LaPre 1986-7-29 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  UCD151165  Streptanthus glandulosus James A. Neilson Jr. 1974-3-27 3018 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 Comment
  UC1492782  Streptanthus glandulosus subsp. hoffmanii Freed W. Hoffman 1947-4-10 1056 Sonoma near hot springs; North Coast Ranges, Big Geysers Comment
  JEPS83703  Streptanthus glandulosus subsp. secundus R. Raiche 1987-6-21 70333 Sonoma nr Red Slide Falls (n of Cazadero); Red Slide Crk., The Cedars 304 Comment
Read comments
Oct 22 2013
  UC1292750  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-7-4 2869 Sonoma NW of Guerneville (Russian Gulce[h]); North Coast Ranges 243 Comment
  UC762907  Streptanthus glandulosus subsp. secundus Robert F. Hoover 1941-5-14 5084 Sonoma 3 mi s Monte Rio (on road to Camp Meeker) Comment
  CAS-BOT-BC87292  Streptanthus glandulosus subsp. secundus Mrs. H. C. Campbell 1921-5-10 s.n. Sonoma Fitch Mountain. Comment
  CAS-BOT-BC87300  Streptanthus glandulosus subsp. sonomensis Lincoln Constance; Reed C. Rollins 1942-5-10 2863 Sonoma North Coast Ranges. Four miles north of Geyserville. 60 Comment
  JEPS18125  Streptanthus glandulosus subsp. sonomensis Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5673 Sonoma headwaters of creek near Layton Chromite Mine (along and just above creek-bed); Big Austin Creek, vicinity of The Cedars 266 Comment
  UC2031713  Streptanthus hesperidis Sherry Adams 2009-6-10 Sonoma About 12 miles ENE from Healdsburg, via Pine Flat Road. About 500' north of the confluence of McDonnell and Ingalls Creeks Modini Ingalls Ecological Preserve of Audubon Canyon Ranch Comment
  UCD161866  Streptanthus morrisonii James A. Neilson Jr. 1980-6-16 3983 Sonoma On unnamed tributary of Little Sulphur Creek above Healdsburg-Geysers Road. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC10917  Streptanthus tortuosus var. suffrutescens F. T. Bioletti 1893-6-1 Sonoma Hood's Peak Comment
  CAS-BOT-BC267237  Stuckenia filiformis Peter H. Raven 1955-3-20 s.n. Sonoma 1 mile W of Schelville Comment
  UCD166329  Symphoricarpos Peter Rubtzoff 1967-9-2 5877 Sonoma Freestone Marsh. Comment
  UCD166491  Symphoricarpos Peter Rubtzoff 1959-5-31 4075 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC245856  Symphoricarpos James McMurphy 1909-5-29 s.n. Sonoma Between Geyser Peak and Black Mountain Comment
  CAS-BOT-BC269631  Symphoricarpos albus var. laevigatus Walter Knight; Irja Knight 1963-10-3 355 Sonoma Crane Canyon Comment
  CAS-BOT-BC97817  Symphyotrichum chilense Peter Rubtzoff 1951-9-15 768 Sonoma Lower part of the Upper Masrh Comment
  CAS-BOT-BC97818  Symphyotrichum chilense Peter Rubtzoff 1951-9-15 763 Sonoma open ground bordering the central part of the Pitkin Marsh Comment
  CAS-BOT-BC98567  Symphyotrichum lentum Peter Rubtzoff 1958-8-16 3863 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Rd.) - Sonoma County Marshes Comment
  CAS-BOT-BC98568  Symphyotrichum lentum Peter Rubtzoff 1958-9-6 3971 Sonoma Laguna de Santa Rosa north of cunningham (nr. Todd Rd.) - Sonoma County Marshes Comment
  UC1735312  Symphyotrichum subspicatum J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-14 9329 Sonoma W of Glen Ellen, 6471 Sonoma Mountain Road Comment
  CDA10942  Synthyris cordata G. F. Hrusa, G. L. Stebbins 1994-3-28 11700 Sonoma North Coast Biodiversity Arena; Along Austin Creek, 4.3 m. Adjacent to East Austin Cr. Rd. on E side of Creek. 0 Comment
  CDA16157  Taeniatherum caput-medusae G. F. Hrusa, R. Gross 1999-6-12 15078 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
Read comments
Jul 28 2008
  HREC922 Image available Tauschia kelloggii Kerry L. Heise 1997-5-7 2024 Sonoma IHRMP study site #3 Riley, 2mi ENE of Geyserville, Sonoma Co. Comment
  HSC100962  Tauschia kelloggii Peter Warner 2011-5-28 201 Sonoma McCullough Ranch and Cresta Ranches, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), northern part of ridge between lower Mill Creek and Mark West Creek. 0 Comment
  CDA433  Taxus baccata William Van Aslan 2000-8-24 PDR# 041628 Sonoma Petaluma. In pasture at 5360 Bodega Ave. Comment
  CAS-BOT-BC88007  Teesdalia coronopifolia Catherine Best 1990-3-24 1358 Sonoma On Acton Lane near Fulton northwest of Santa Rosa. Comment
  CAS-BOT-BC88008  Teesdalia coronopifolia Catherine Best 1990-3-24 1359 Sonoma In the southwest part of Annadel Park. Comment
  UC35392  Tetrapteron graciliflorum W. C. Blasdale 1891-1 Sonoma Comment
  CDA27876  Thermopsis californica var. californica T. C. Fuller 1958-5-24 3993 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  UCD108607  Thermopsis californica var. californica Jennifer Bury; Peggy Herzog 1993-5-8 273 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. Comment
  CAS-BOT-BC66805  Thysanocarpus curvipes John Thomas Howell 1931-4-4 6177 Sonoma Santa Rosa Canyon. Comment
  CAS-BOT-BC66825  Thysanocarpus curvipes P. B. Kennedy 1920-5-29 s.n. Sonoma Russian River. Comment
  RSA0057550  Thysanocarpus curvipes subsp. curvipes Milo S. Baker 1898-1 735 Sonoma Hills near Santa Rosa. Comment
  JEPS35791  Thysanocarpus radians Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8926 Sonoma s Sonoma (e of Arnold Dr, 0.7 mi n of junction of Arnold Dr with State Hwy 37) Comment
  CAS-BOT-BC447591  Tiarella trifoliata subsp. unifoliata Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  UC764989  Tiarella trifoliata var. unifoliata R. F. Hoover 1941-5-14 5074 Sonoma on road to Camp Meeker 3 mi s Monte Rio Comment
  SEINET12217316  Tiarella unifoliata F. H. Utech 1988-1 88 -200 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  SJSU474  Tilia dasystyla A. W. Jacobs 1940-5-29 Sonoma residence, Santa Rosa Comment
  UC27666  Tonella tenella Alice King Apr 1897 Sonoma Healdsburg Comment
  CDA16158  Torilis arvensis G. F. Hrusa, R. Gross 1999-6-12 15077 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
  CAS-BOT-BC81459  Torreya californica Mary P. Wells 1984-7-21 374 Sonoma Hot Spot (near So. Fork of Gualala River) The Sea Ranch Comment
  UCD112403  Toxicoscordion Christopher Mallek 2008-5-2 HC1- 1 Sonoma Hooker Canyon. 590 Comment
  UCD139839  Toxicoscordion fremontii A. A. Heller; H. E. Brown 1902-3-14 5068 Sonoma near Windsor. Comment
  CDA8947  Tracyina rostrata J. T. Howell 1967-6-17 42599 Sonoma Near ranch house on Arthur E. Cooley ranch at forks of Dry & Galloway Creeks. Northern Sonoma County. Comment
  SEINET9299121  Tragopogon porrifolius Unknown 1990-5-10 Sonoma Grassy meadow edge With Brassica, Plantago, Raphanus Comment
  UCD136893  Tragopogon porrifolius Gerry North 1993-4 36 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 lower camping area, 50 m E of foot bridge. 365 Comment
  JEPS63107  Trichostema lanceolatum Milo S. Baker 1923-8-26 442 Sonoma near Geyserville (Russian River); North Coast Comment
  UC1299469  Trichostema laxum Freed W. Hoffman 1946-8-14 787 Sonoma serpentine island E of Camp Meeker; North Coast Ranges Comment
  UCR50512  Trichostema laxum L. F. LaPre 1987-6-28 s.n. Sonoma North Coast Ranges, Cadd Fire Trail, off Unocal Ridge Road, 2 mi. west of Socrates Mine, near Lake county line 976 Comment
  SEINET3153534  Trichostema laxum M. S. Baker 1898-6-12 675 Sonoma Geysers Comment
  CAS-BOT-BC173533  Trifolium Peter Rubtzoff 1974-5-19 7440 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  RSA784997  Trifolium Peter Rubtzoff 1974-5-26 7496 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  SEINET7096777  Trifolium albopurpureum var. dichotomum A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane.Ca 1 mile east of Occidenta. NAD27, 38.4070? deg. , -122.9289?_ (converted to WGS84) UTM Zone 10, 506210mE, 4250769mN. Comment
  SBBG40326  Trifolium amoenum R. F. Hoover 1969-5-26 11349 Sonoma 2 mi S of Petaluma on Pt Reyes Rd Comment
  RSA32762  Trifolium amoenum A. A. Heller 1940-5-17 s.n. Sonoma Hwy 1, 2 miles west of Valley Ford Comment
  UC165624  Trifolium bifidum var. decipiens Milo S. Baker 1898-5-7 641 Sonoma Glenn Ellen Comment
  HSC15199  Trifolium depauperatum R. Spellenbergq, D. Sutherland, A. Sylvester 1966-3-26 1341 Sonoma 7 mi. W of Big Geysers along Sulphur Creek Comment
  SEINET10895527  Trifolium depauperatum A. Arthur Heller, H. E. Brown 1902-4-22 Heller s.n. Sonoma Between Santa Rosa and Agua Caliente. Comment
  UC16722  Trifolium depauperatum var. truncatum Edw. L. Greene 1892-4-23 Sonoma Knight's Valley Comment
  UCSC000424  Trifolium dichotomum Charisse Bickford 1979-4-20 s.n. Sonoma Cloverdale 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
  UCD166120  Trifolium hybridum Peter Rubtzoff 1972-6-23 6783 Sonoma Atascadero Creek Marsh. 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
  UCD109139  Trifolium hydrophilum P. G. Connors 1996-5-6 364 Sonoma 8 km S of Sonoma, W of Sonoma Creek, Viansa Wetlands. Comment
  RSA120928  Trifolium incarnatum Milo S. Baker 1957-05 13175 Sonoma Santa Rosa. Hwy 101 near S. F. State College. Comment
  UC85321  Trifolium obtusiflorum Michener and Bioletti 1895-6-1 Sonoma Kenwood Comment
  UC631272  Trifolium oliganthum P. B. Kennedy 1915-5-31 Sonoma Annapolis Comment
  UCD109256  Trifolium oliganthum Botany 102 Students 1993-4-24 98 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. 396 Comment
  CDA121  Trifolium repens D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .277 Sonoma Cavedale Rd. Comment
  CDA31340  Trifolium repens D. G. Kelch, Ed Biffin 2010-5-3 10 .212 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  HSC100944  Trifolium subterraneum Peter Warner, Patricia Chan 2011-3-12 180 Sonoma Annadel State Park, Canyon Trail, 100 m NE of 'big bend' in trail, near Woodview Drive. 55 Comment
  SEINET10577407  Trifolium tridentatum var. tridentatum William H. Brewer 1862-4-17 Brewer 981 Sonoma Sonoma Valley, in a field. Comment
  UCD109400  Trifolium variegatum Jennifer Bury; Peggy Herzog 1993-5-8 277 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 396 Comment
  JEPS74301  Trifolium variegatum var. melananthum Peter Rubtzoff 1969-5-3 6023 Sonoma e Sebastopol (Laguna de Santa Rosa) Comment
  JEPS117130  Trifolium variegatum var. variegatum Peter Warner 2010-5-6 139 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
  UC165494  Trifolium willdenovii Milo S. Baker 1898-4-26 693 Sonoma Santa Rosa Creek Canyon Comment
  UCD109525  Trifolium willdenovii P. G. Connors 1992-5-8 249 Sonoma Bodega Head and Dunes. Comment
  UCR141953  Trifolium willdenovii Beecher Crampton 1967-5-15 7925 Sonoma Coast Range, Lytton, Alexander Valley 122 Comment
  HSC15175  Trifolium willdenovii S. N. Wiemeyer 1962-4-13 13 Sonoma 2.1 mi. N of Jct. of Calistoga Rd. and Hwy. 12 274 Comment
  UCD109893  Trifolium willdenovii R. Tofsrud 1951-5-20 s.n. Sonoma Dunbar School near Kenwood. Comment
  UC85324  Trifolium wormskioldii Michener and Bioletti 1892-5-15 Sonoma South Los Guilicos Comment
  UCD165168  Trifolium wormskioldii Peter Rubtzoff 1974-5-26 7495 Sonoma Todd Road, 1.5 miles from hwy. 116 and 0.5 miles from Llano Road. Comment
  CAS-BOT-BC520853  Trillium albidum Greg de Nevers 1993-4-6 10361 Sonoma Pepperwood Ranch Natural Preserve: 3450 Franz Valley Road 304 Comment
  UC1134687  Trillium albidum E. Armstrong 1934-2-26 945 Sonoma Camp Meeker Sebastopol Quad., Camp Meeker Comment
  UC72282  Trillium albidum Milo S. Baker 1898-3-23 696 Sonoma near Melita Melita Comment
  RSA304197  Trillium chloropetalum James R. Shevock 1971-3-21 816 Sonoma Near Sugarloaf St Park 152 Comment
  HSC22046  Trillium chloropetalum var. chloropetalum F. Demostene 1966-4-11 40 Sonoma 25 mi. W of Healdsburg Comment
  CHSC33029  Triphysaria eriantha Jane A. Rogers 1979-4-14 8 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/2 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. 27 Comment
  SD81262  Triphysaria eriantha subsp. rosea Darley F. Howe 1969-5-29 Sonoma Sea bluff at Sea Ranch Comment
  JEPS66222  Triphysaria versicolor subsp. faucibarbata T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6896 Sonoma Laguna de Santa Rosa e Graton; Laguna de Santa Rosa Comment
  UCD161348  Triphysaria versicolor subsp. faucibarbata James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3708 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/4 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Coordinates estimated by label maker.) Comment
  HSC20863  Triphysaria versicolor subsp. faucibarbata R. F. Good 1962-4-20 25 Sonoma 2 mi. W of Petaluma on D St. Extension toward Point Reyes, Sonoma Mtn. Coast Range 0 Comment
  RSA13530  Triphysaria versicolor subsp. faucibarbata H. E. Parks 1930-5-9 631 Sonoma Knights Valley, Comment
  CAS-BOT-BC200108  Trisetum canescens K. Wagnon 1939-5-14 202 Sonoma In Wagnon's rock quarry 5 mi. west of Sebastopol Comment
  UC1146666  Trisetum canescens Freed W. Hoffman 1943-6-6 2212 Sonoma coast road near Bridgehaven; North Coast Ranges Comment
  UCD93598  Trisetum canescens P. B. Kennedy 1915-6-1 s.n. Sonoma Northern. Del Mar. Comment
  UCD93631  Trisetum canescens R. Tofsrud 1941-4-1 146 Sonoma Near Santa Rosa. Comment
  UC1023609  Trisetum canescens Virginia Bufford 1936-5-20 312 Sonoma about 5 mi above Mark West (Mark West Rd) Comment
  RSA121006  Tristagma uniflorum Peter H. Raven 1950-4-6 1598 Sonoma Vernal Flats, Santa Rosa to Rincon Ridge. 183 Comment
  CAS-BOT-BC523026  Triteleia hyacinthina David D. Keck 1933-5-28 2322 Sonoma 3.4 miles east of Shellville (just east intersection of Sonoma road). Comment
  CAS-BOT-BC527033  Triteleia laxa Peter Rubtzoff 1955-7-9 1944 Sonoma Forestville Marsh, Sonoma County Marshes Comment
  UCSB15936  Triteleia laxa Breedlove, Dennis 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC527974  Triteleia peduncularis Peter Rubtzoff 1951-6-9 168 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC74106  Turritis glabra John Thomas Howell 1930-6-8 5291 Sonoma 8.5 miles north of Bodega Bay. Comment
  SEINET11992138  Turritis glabra F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -107 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12, ca 1.6 mi N of Cavedale Rd from jct 457 Comment
  CAS-BOT-BC91281  Umbellularia californica Walter Knight; Irja Knight 1963-9-15 272 Sonoma Los Alamos Road. Santa Rosa. Comment
  CAS-BOT-BC403981  Urtica dioica subsp. gracilis Peter Rubtzoff 1963-8-17 5227 Sonoma Russian River Mouth Marsh Comment
  CAS-BOT-BC403992  Urtica dioica subsp. gracilis Rimo Bacigalupi 1926-4-30 1400 Sonoma Cazadero Comment
  UCR105437  Urtica dioica subsp. holosericea Peter Rubtzoff 1960-9-17 4566 Sonoma Laguna de Santa Rosa northeast of Graton, near Guerneville Road Comment
  UCR105446  Urtica dioica subsp. holosericea Peter Rubtzoff 1973-9-9 7311 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC404241  Urtica dioica subsp. holosericea Peter Rubtzoff 1959-9-12 4258 Sonoma Willow Creek Marsh Comment
  RSA155531  Urtica dioica subsp. holosericea L. S. Rose 1960-9-14 60095 Sonoma Laguna de Santa Rosa, 4 mi E of Graton. 15 Comment
  UCD118081  Vaccinium ovatum Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-6-29 094 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CDA24422  Vancouveria planipetala G. D. Barbe 1982-5-27 3624 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment
  CAS-BOT-BC135762  Veratrum fimbriatum Milo S. Baker 1921-9-20 2556 Sonoma 2 mi. north Stewart's Point Comment
  CAS-BOT-BC135765  Veratrum fimbriatum John Thomas Howell 1931-9-26 8094 Sonoma 7 miles north of Fort Ross Comment
  UC558487  Veratrum fimbriatum Elizabeth E. Morse 1936-8-30 Sonoma Gualala River 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
  CAS-BOT-BC262795  Veronica Peter Rubtzoff 1974-9-7 7869 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  CAS-BOT-BC269309  Veronica Peter Rubtzoff 1971-5-8 6447 Sonoma Pitkin Marsh, near Forestville. Western border of the marsh near end of Templeman Road. Comment
  CAS-BOT-BC166741  Veronica americana Peter Rubtzoff 1960-6-9 4481 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC176144  Veronica americana Peter Rubtzoff 1960-6-9 4482 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC177117  Veronica americana Peter Rubtzoff 1955-6-4 1896 Sonoma Stony Point Marsh. Comment
  UCD19306  Veronica americana Terry Reedy 1974-5-11 209 Sonoma Bodega Head, in freshwater marsh in open water. 6 Comment
  JEPS66217  Veronica scutellata T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6906 Sonoma Pitkin Marsh Comment
  UCD124784  Veronica scutellata Malcolm A. Knobs; S. Galen Smith 1949-8-1 1107 Sonoma 2 miles E of Stewart's Point on road to Geyserville. Comment
  CAS-BOT-BC267245  Viburnum ellipticum D. E. Breedlove 1980-6-27 44777 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC258031  Vicia Peter Rubtzoff 1970-8-25 6339 Sonoma Austin Creek beach 0.5 miles north of Cazadero. Comment
  RSA177953  Vicia americana var. americana Robert F. Thorne 1965-4-20 34323 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  RSA94347  Vicia angustifolia Peter Rubtzoff 1951-7-28 548 Sonoma Southern half of Lower Marsh Comment
  UC1300880  Vicia sativa subsp. nigra Helen K. Sharsmith 1963-5-25 5490 Sonoma e of Occidental (on Coleman Valley road); San Francisco Bay Region 304 Comment
  UCD15000  Vinca major Wesley Ebert 1977-4-9 13 Sonoma Sonoma County; along Copeland Creek, on the northwest corner of Sonoma State College; 42 Comment
  UC1742244  Viola Milo S. Baker 1948-5-17 12040 Sonoma Brookside Garden Comment
  UC1761581  Viola adunca Leo Koch 1939-4-8 496 Sonoma near Plantation (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
  UC1057435  Viola douglasii G. Thomas Robbins 1937-3-25 9 Sonoma 8-10 mi e of Santa Rosa (near Golf and Country Club); Santa Rosa Creek Canyon Comment
  UC1763348  Viola douglasii Milo S. Baker 1920-1 5514 Sonoma Kenwood Comment
  CAS-BOT-BC536901  Viola glabella Volney Rattan 1880-4-1 s.n. Sonoma Duncans Mill Comment
  CAS-BOT-BC536908  Viola glabella Peter Rubtzoff 1958-5-30 3682 Sonoma Sonoma County Marshes: Duncans Mills Marsh at the border of the upper part of the Marsh Comment
  CAS-BOT-BC536910  Viola glabella Dorothy Scherer 1996-3-25 012 Sonoma Kolmer Gulch, just E of Hwy 1 and S side of stream, Fort Ross State Historic Park 11 Comment
  UC1761451  Viola lobata Milo S. Baker 1926-5-31 164 -1926 Sonoma Triniti road, 1 mi up Comment
  UC1761445  Viola lobata Milo S. Baker 1924-5-3 463 Sonoma Howell Mt., Pinecrest Comment
  UC1761619  Viola pedunculata Helen Von Grafen 1927-4-15 Sonoma near Cunningham station; Sebastopol Comment
  UC1761625  Viola pedunculata Mary Eloise Bauder 1929-4-2 5 Sonoma Roberts place--Pet. Hill Road Comment
  UC1761388  Viola purpurea subsp. quercetorum Elmer I. Applegate 1934-3-25 8852 Sonoma Pine Flat region Comment
  UC496478  Viola sempervirens Merle Randall 1930-8-6 Sonoma Cazadero Comment
  POM161243  Viola sempervirens R. C. Bacigalupi 1928-5-2 1395 Sonoma Cazadero. Comment
  RSA40694  Viola sempervirens I. L. Wiggins 1948-3-21 11616 Sonoma Western margin of Kruse Rhododendron State Park. Comment
  SEINET11996124  Viola sempervirens F. H. Utech 1988-1 88 -009 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  CAS-BOT-BC135291  Viscum album Stanley Rose 1966-3-13 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  CAS-BOT-BC203126  Vitis californica Peter Rubtzoff 1960-5-29 4423 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  UC552472  Vitis californica Professor J. T. Barrett 1936-6-19 Sonoma above Guerneville; Russian River Comment
  UCD102856  Vitis californica C. Wistrom 1996-5-26 25 Sonoma Healdsburg. 1601 Dry Creek Road. 48 Comment
  RSA0121715  Vitis californica Christopher Davidson 1977-6-20 6003 Sonoma Dry Cr. Road, 7.2 miles W of Geyserville. Along Warm Sprgs Cr. 76 Comment
  RSA0121716  Vitis californica Robert A. Norris, John L. Inase, Allen Nakagawa 1981-6-27 4210 Sonoma Trenton Road (near N end of Laguna de Santa Rosa), just S of and paralleling River Road, approx. halfway between Guerneville and Santa Rosa. 15 Comment
  UCD60314  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma On highway near Hilton, 2 miles E of Korbel on Russian River. Comment
  CAS-BOT-BC199916  Vulpia bromoides Peter Rubtzoff 1957-5-11 3346 Sonoma Occidental Marsh Comment
  JEPS45825  Vulpia bromoides Eleanor Armstrong 1932-5-25 175 Sonoma 3 mi w Santa Rosa 45 Comment
  UCD93478  Vulpia bromoides Beecher Crampton 1957-7-11 4307 Sonoma 1.4 miles southeast of Bodega Bay, along State Hwy. 1. Comment
  UCD161305  Vulpia myuros James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3687 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
  UCD94897  Vulpia myuros David L. Morgan 1956-4-19 s.n. Sonoma Gold Ridge Rd., 4 miles W of Sebastopol. Comment
  SEINET10604532  Vulpia myuros var. hirsuta A. Arthur Heller 1902-6-10 Heller 5681 Sonoma Santa Rosa. Comment
  CAS-BOT-BC128702  Whipplea modesta D. E. Breedlove 1980-6-28 44799 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC128705  Whipplea modesta Walter Knight; Irja Knight 1964-1-17 518 Sonoma Hooker Canyon, Cavedale Rd. Comment
  JEPS76929  Whipplea modesta Robert M. Lloyd 1963-2-24 2050 Sonoma 0.5 mi n Occidental (on road to Camp Meeks, abandoned picnic ground) 45 Comment
  SBBG70509  Whipplea modesta E. Rockwell -Jun-1926 1013 Sonoma Guerneville, Russian River 30 Comment
  UC73119  Whipplea modesta Milo S. Baker 1899-6-28 Sonoma near Duncans; Russian River Comment
  SEINET12216893  Whipplea modesta W. Knight, Knight, I.; Edwards, S. 1986-1 5347 Sonoma along trail to summit of Geyser peak, access from Healdsburg-Geysers Rd 853 Comment
  SEINET11719540  Woodwardia fimbriata F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -252 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SD134021  Wyethia angustifolia Greg de Nevers 1987-4-25 8155 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 99 Comment