Search Results — 2000 specimen records retrieved (1234 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR109504  Abronia latifolia Frank C. Vasek 1966-7-16 660716- 03 Sonoma Central Coast, Bodega Bay, Doran County Beach 1 Comment
  UC146774  Abronia umbellata Katharine Brandegee 1905-6-1 Sonoma Bodega Head Comment
  UC221681  Abronia umbellata subsp. breviflora Alice Eastwood 1900-7-4 Sonoma Bodega Point Comment
  SEINET12164294  Acacia dealbata W. Knight, Knight, I. 1984-1 5047 Sonoma 4.8 mi up Cavedale Road from Rt. 12 Comment
  UCD160512  Acaena novae-zelandiae Daniel Potter; T. Harrington, M. Harrington, P. Lash, T. Potter. 2013-10-24 701 Sonoma Salt Point State Park, along Highway 1 at mile marker 43.37. 56 Comment
  CAS-BOT-BC451111  Acaena pinnatifida var. californica Rimo Bacigalupi 1928-6-18 1903 Sonoma Beach at mouth of Salmon Creek; 2 miles north of Bodega Bay Comment
  UCD117125  Acer negundo W. W. Robbins 1932-6-17 s.n. Sonoma Sonoma County. Comment
  JEPS42728  Acer negundo var. californicum J. B. Davy 1896-7-23 Sonoma Russian River below Guerneville; Russian River below Guerneville Comment
  UC635204  Acer negundo var. californicum Herbert L. Mason 1925-11-26 2494 Sonoma Monte Rio along the Russian River, Monte Rio Comment
  CAS-BOT-BC336942  Acer negundo var. californicum Irja Knight; Walter Knight 1964-11-3 761 Sonoma Sonoma Mt. Road. Between Folger Ranch and Enterprise Rd. Comment
  CAS-BOT-BC82  Achillea borealis subsp. arenicola Amos Arthur Heller 1902-5-27 5608 Sonoma Bodega Bay Comment
  CAS-BOT-BC30082  Achillea millefolium Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  UCD128332  Achillea millefolium Gerry North 1993-4 52 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.25 miles NE of parking lot-picnic area on Bald Mountain trail. 411 Comment
  JEPS47752  Achlys triphylla subsp. triphylla Alice Louise Griffin 1924-8-7 Sonoma Stewart's Point Comment
  CAS-BOT-BC166795  Achyrachaena mollis Peter Rubtzoff 1974-5-26 s.n. Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  SD56752  Acmispon americanus Darley F. Howe 1963-7-2 Sonoma 0.9 mile north of junction with Highway 12 on Highway 1. Comment
  SBBG84015  Acmispon brachycarpus L. F. LaPre 1986-5-31 Sonoma Socrates Mine, ca. 9 mi ENE of Geyerville 914 Comment
  UCD104028  Acmispon brachycarpus Frederica Bowcutt 1994-6-25 1913 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Grey Pine Trail about 1/2 way between Bushy Peak Trail and Meadow Trail. 530 Comment
  UCD35511  Acmispon junceus var. biolettii Beecher Crampton 1957-7-22 4370 Sonoma State Hwy. 1, 0.9 mile south of Stewart's Point. Comment
  UCD104332  Acmispon parviflorus R. Tofsrud 1948-5-1 s.n. Sonoma Santa Rosa. Comment
  POM40150  Adenocaulon bicolor Marcus E. Jones 1903-4-18 s.n. Sonoma Duncans Mills Comment
  UCD128525  Adenocaulon bicolor K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC29844  Adenocaulon bicolor J. W. Congdon 1880-7-4 s.n. Sonoma unspecified Comment
  SBBG216  Adiantum aleuticum H. and M. Dearing 1939-5-15 3383 Sonoma N of Fort Ross Comment
  JEPS128363  Adiantum capillus-veneris Roger Raiche 2000-5-27 112 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SJSU2057  Adiantum capillus-veneris A. Bascom 1958-5-16 Sonoma Crane Valley Rd 16 mi SE of Santa Rosa Comment
  HSC939  Adiantum jordanii H. E. Parks, S. T. Parks 1930-5-9 623 Sonoma Alexander Valley Comment
  CAS-BOT-BC15399  Agoseris grandiflora var. grandiflora Mary P. Wells 1984-5-24 245 Sonoma Annadel State Park, Santa Rosa Comment
  CAS-BOT-BC22787  Agoseris heterophylla G. DeNevers 1981-5-30 1408 Sonoma Pepperwood Ranch. Bertoli Property, E slope of Horse Hill Comment
  CAS-BOT-BC13169  Agoseris hirsuta A. A. Heller 1902-6-2 5632 Sonoma Santa Rosa Comment
  CAS-BOT-BC176404  Agrostis Peter Rubtzoff 1971-6-25 6558 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  CAS-BOT-BC210010  Agrostis Peter Rubtzoff 1973-8-27 7263 Sonoma Upper Green Valley Marsh Comment
  RSA785753  Agrostis Peter Rubtzoff 1974-5-25 7461 Sonoma Upper Green Valley Marsh. Comment
  RSA785906  Agrostis Peter Rubtzoff 1968-6-19 5889 Sonoma Forest Hills (5.5 miles east of Guerneville). Comment
  RSA785932  Agrostis Peter Rubtzoff 1973-8-27 7263 Sonoma Upper Green Valley Marsh. Comment
  UC37003  Agrostis H. N. Bolander 1860-1 6456 Sonoma Cloverdale Comment
  UCD163998  Agrostis Peter Rubtzoff 1977-9-3 9126 Sonoma Perry Marsh. Comment
  SEINET10717807  Agrostis P. Rubtzoff 1968-7-13 Rubtzoff 5918 Sonoma Upper Salmon Creek Marsh. Comment
  UCR152276  Agrostis ampla Beecher Crampton 1959-6-16 5391 Sonoma 2 mi east of Occidental, Jonive School Area Comment
  CAS-BOT-BC127550  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek Comment
  UCD51864  Agrostis capillaris Beecher Crampton 1957-7-11 4319 Sonoma along State Hwy. 1, just south of Salmon Creek. Comment
  UCD52020  Agrostis densiflora Beecher Crampton 1957-7-11 4351 Sonoma Sonoma Coast State Park, 9 miles north of Salmon Creek and just south of Goat Rock. Comment
  CAS-BOT-BC127404  Agrostis elliottiana Catherine Best 1993-5-6 1413 Sonoma Pepperwood, growing in Weimar Meadow. Comment
  CAS-BOT-BC126967  Agrostis exarata A. A. Heller 1902-6-7 5654 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  POM207133  Agrostis exarata A. A. Heller 1902-6-27 5779 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC139551  Agrostis gigantea Herbert L. Mason 1946-7-4 12888 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  CAS-BOT-BC139556  Agrostis gigantea Peter Rubtzoff 1951-7-21 514 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower Marshes. Comment
  RSA74318  Agrostis hallii Anonymous 1947-5-12 11762 Sonoma Near horse trail in rocky ledge Hood Mt. 427 Comment
  UCD53018  Agrostis microphylla Beecher Cramppon 1959-6-16 5381 Sonoma 1 mile east of Occidental. Comment
  UCD84282  Agrostis microphylla Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  SBBG26362  Agrostis microphylla B. Crampton 1966-5-10 Sonoma 5.5 mi N of Sonoma. St Hwy 12 Comment
  CAS-BOT-BC138912  Agrostis pallens Roxana S. Ferris; Laura Lorraine 1961-6-15 13568 Sonoma About 1/8 mile beyond County Dump. Comment
  CAS-BOT-BC138923  Agrostis pallens G. DeNevers 1981-5-30 1421 Sonoma Pepperwood Ranch. West facing slope above the Garrison Gate. Comment
  UCD53197  Agrostis pallens R. Tofsrud 1951-6-1 s.n. Sonoma summit of Oakville to Kenwood road. Comment
  CAS-BOT-BC138597  Agrostis stolonifera John Thomas Howell 1947-6-26 23302 Sonoma Cunningham Marsh. Comment
  SD56669  Agrostis stolonifera Darley F. Howe 1963-7-3 3586 Sonoma 20 miles north of junction with #12 on #1. Comment
  UCD53463  Agrostis stolonifera P. B. Kennedy 1917-8-27 s.n. Sonoma Del Mar, in experimental field. Comment
  UCD53478  Agrostis stolonifera P. B. Kennedy 1917-8-27 s.n. Sonoma Del Mar. Comment
  SEINET10868859  Agrostis tenuis Alan A. Beetle 1941-7-8 Beetle 2855 Sonoma Coast, 5 miles south of Steward Point, coastal bluffs. Assoc. Scirpus cernuus, Lagurus ovatus. Comment
  CAS-BOT-BC47989  Ailanthus altissima Catherine Best 1984-9-27 1049 Sonoma Grwoing along the road to the Buena Vista Winery, south of the town of Sonoma. Comment
  UC50680  Aira Michener and Bioletti May 1892 Sonoma S. Los Guilicos Comment
  JEPS128357  Aira caryophyllea Roger Raiche 2000-4-23 048 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA129082  Aira caryophyllea H. S. Yates 1934-4-21 3822 Sonoma Near Duncan Mills. Comment
  CAS-BOT-BC138395  Aira caryophyllea var. capillaris G. DeNevers 1981-4-20 775 Sonoma Pepperwood Ranch. Pippindale farm. On bench between studio and the ridge top. Comment
  UCR244502  Alisma lanceolatum Peter Rubtzoff 1970-8-18 6303 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
  SEINET7852114  Allium Unknown 1974-1 6432 Sonoma Salmon Creek, Pacific coastal area. Ca. 1 at Duncan Point along living, rocky coastal cliffs. Comment
  CAS-BOT-BC462383  Allium amplectens Milo S. Baker 1927-6-19 2211 a Sonoma Macartney Woods Comment
  CAS-BOT-BC462388  Allium amplectens Milo S. Baker 1927-6-5 2211 d Sonoma Near Kenwood Comment
  CAS-BOT-BC469104  Allium dichlamydeum David D. Keck; J. Clausen 1935-6-15 3366 Sonoma 1 mile north mouth of Salmon Creek Comment
  OBI49238  Allium falcifolium F. T. Bioletti 1892-1 s.n. Sonoma Comment
  RSA155529  Alnus rhombifolia L. S. Rose 1960-9-14 60093 Sonoma Laguna de Santa Rosa, 2 miles east of Grafton 15 Comment
  CAS-BOT-BC169361  Alnus rubra Peter Rubtzoff 1957-4-28 3286 Sonoma Lower Salmon Creek Marsh, along streamlet Comment
  CAS-BOT-BC169366  Alnus rubra Peter Rubtzoff 1951-8-26 683 Sonoma At base of hill near the road from East Guernewood to Vacation Beach (Guerneville Ragion) 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
  RSA800594  Alnus rubra Peter Rubtzoff 1969-7-21 6118 Sonoma Duncan Mills Marsh. Comment
  UCD165117  Alnus rubra Peter Rubtzoff 1973-10-10 7338 Sonoma Salmon Creek, 0.25 miles south of Freestone. Comment
  UCD166182  Alnus rubra Peter Rubtzoff 1969-7-21 6118 Sonoma Duncan Mills Marsh. Comment
  UC579598 Image available Alopecurus aequalis var. sonomensis H. S. Yates 1937-5-30 6555 Sonoma 1 1/2 mi. e. Occidental; Sebastopol Quad. 91 Comment
  UCD150134  Alopecurus pratensis 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
  UCD138662  Amaryllis belladonna Mary M. Hektner 1975-8-14 220 Sonoma just E-SE of Leeward Road entrance along State Highway 1, Sea Ranch. Comment
  SEINET5710304  Ambrosia chamissonis Michael Fleschner 1965-1 s.n. Sonoma University of California Marine Biology Laboratory, Bodega Bay.; Bodega Bay Comment
  POM141359  Amelanchier pallida A. A. Heller 1903-4-24 6617 Sonoma Woods near Cazadero. Comment
  RSA177975  Amelanchier pallida Robert F. Thorne 1965-4-19 34302 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC135667  Amelanchier utahensis A. A. Heller 1903-4-24 6617 Sonoma Woods near Cazadero Comment
  UCD148462  Ammannia robusta Peter Rubtzoff 1963-8-24 5238 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC137882  Ammophila arenaria W. M. Hiesey 1945-9-21 551 a Sonoma Bodega sand dunes. Comment
  CAS-BOT-BC177223  Amorpha californica var. napensis A. Day 1982-6-1 82 65 A Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC177228  Amorpha californica var. napensis Dr. W. B. Stephens s.n. Sonoma Near Calistoga west of Petrified Forest Comment
  CAS-BOT-BC222281  Amsinckia John Thomas Howell 1934-3-26 11787 Sonoma Southwestern base of Mt. Hood Comment
  CAS-BOT-BC222286  Amsinckia Alice Eastwood; John Thomas Howell 1934-4-10 1298 Sonoma Cloverdale Grade Comment
  UC486489  Amsinckia intermedia H. E. and S. T. Parks 1930-5-9 609 Sonoma Knights Valley Comment
  CAS-BOT-BC26841  Amsinckia intermedia anonymous s.n. Sonoma Port Bodega Comment
  RSA0089718  Amsinckia intermedia A. A. Heller, H. E. Brown 1902-3-26 5158 Sonoma Santa Rosa Creek. Comment
  UC79320 Image available Amsinckia lycopsoides Katharine Brandegee 1905-6-25 Sonoma Bodega Head Comment
  UC725783  Amsinckia spectabilis A. A. Heller 1940-5-17 15629 Sonoma n of Bodega Bay Comment
  SD41476  Anagallis arvensis Edith A. Purer 1932-7-21 4052 Sonoma Bodega Bay, sea bluff Comment
  UC1585917  Anagallis arvensis Barbara Ertter 1988-11-5 8028 Sonoma ca. 5 airmiles due s. Cloverdale (point below Little Flat parking area w. of bridge, Lake Sonoma); Lake Sonoma 152 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
  RSA129301  Andropogon glomeratus Virginia Bufford 1936-9-10 17228 Sonoma 2 miles S.E. of Forestville. Sevastopol 61 Comment
  OBI9030  Angelica hendersonii Tracey Call, Viola Call 1961-6-10 2071 Sonoma 1 mi north of the Kruse Rhododendron State Park Comment
  CAS-BOT-BC271435  Anisocarpus madioides Rimo Bacigalupi 1926-5-2 1392 Sonoma Cazadero Comment
  CAS-BOT-BC271523  Anisocarpus madioides Edw. L. Greene 1894-6-14 s.n. Sonoma Knight's Valley Comment
  UCD128895  Anisocarpus madioides Gerry North 1993-4 48 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. On Bald Mountain trail 0.5 mile above fork of Bald Mountain and Meadow trails. 457 Comment
  CAS-BOT-BC173816  Anthemis cotula Peter Rubtzoff 1969-8-14 6133 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  RSA259578  Anthemis fuscata Thomas W. Nelson, James Nelson 1975-3-25 1751 Sonoma Asti, Growing as a weed in cultivated areas, vinyards Comment
  SD192846  Anthoxanthum occidentale John A. Churchill 1975-5-1 745146 Sonoma On west side of Camp Meeker. Comment
  CAS-BOT-BC280664  Anthoxanthum occidentale Mary P. Wells 1981-8-2 s.n. Sonoma Trail north of Crows Nest Rd. and east of Spy Glass Lane Comment
  CAS-BOT-BC137695  Anthoxanthum odoratum David L. Morgan 1961-4-15 s.n. Sonoma Russian River Highway 4 miles west of Monte Rio. Comment
  UC730018  Anthoxanthum odoratum Leo F. Koch 1940-4-21 Sonoma 2.5 mi n of Anchor Bay (Highway 1); Highway 1 Comment
  UCD161271  Anthriscus caucalis James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3700 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  SD133976  Antirrhinum vexillocalyculatum subsp. breweri Greg de Nevers 1987-6-1 8185 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 99 Comment
  UC479127  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Marcus E. Jones, A. M. 1931-7-5 28820 Sonoma Cloverdale Comment
  JEPS86366  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Jack and Betty Guggolz 1988-6-18 950 Sonoma n side Highland Creek Ranch Road (less than 100 m from River Road); Rancho Rincon de Musalacon Comment
  CAS-BOT-BC474747  Antirrhinum virga James A. Neilson, Jr. 1974-7-10 2833 Sonoma Mayacmas Mountains. S of Little Geysers 731 Comment
  UCR255744  Apiastrum angustifolium Greg de Nevers 1997-4-16 10934 Sonoma North Coast Range, Cavedale Road 152 Comment
  UC1073294  Arabis blepharophylla George B. Rossbach 1955-3-19 293 Sonoma n and highest hill Bodega Head 81 Comment
  POM367169  Arbutus menziesii Christopher Davidson 1977-6-20 6014 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  OBI14777  Arbutus menziesii David Burgess 1957-11-25 10 Sonoma On a Mountain East of Santa Rosa Comment
  RSA629210  Arctostaphylos Jon E. Keeley 1993-9-11 24790 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388328  Arctostaphylos Freed W. Hoffman 1947-4-3 667 Sonoma near Healdsburg (headwaters of creek); North Coast Ranges, Wild Hog Ridge, Mill Creek Comment
  UC1388360  Arctostaphylos X candidissima Freed W. Hoffman 1948-5-10 2677 Sonoma e face North Coast Ranges, Cobb Mt. 1219 Comment
  CAS-BOT-BC24089  Arctostaphylos bakeri John Thomas Howell 1934-2-22 11732 Sonoma 2 miles east of Occidental Comment
  UC1120877  Arctostaphylos bakeri A. E. Wieslander 1936-9-19 707 Sonoma 1 mi nw Occidental; Sebastopol Quadrangle Comment
  UCD50406  Arctostaphylos bakeri E. Armstrong 1934-3-26 932 Sonoma 3 m. N. Camp Meeker. 91 Comment
  RSA622708  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24708 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  SBBG28818  Arctostaphylos bakeri subsp. bakeri L. S. Rose 1934-2-22 34032 Sonoma 2 mi E of Occidental Comment
  SDSU1487  Arctostaphylos bakeri subsp. bakeri D. F. Howe 1969-6-8 4635 Sonoma 3.8 miles east of Occidental. 274 Comment
  UCD51783  Arctostaphylos bakeri subsp. bakeri Roger Raiche 1985-9-29 RR 50899 Sonoma Northeast end of town of Healdsburg on Reservoir Hill. 121 Comment
  RSA622719  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24760 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UCD160915  Arctostaphylos canescens James A. Neilson Jr. 1975-7-31 2951 Sonoma Mayacmas Mountains. One-quarter mile southwest of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  RSA164627  Arctostaphylos canescens subsp. canescens P. C. Everett 1963-11-21 11807 Sonoma Rincon Ridge, now Robt. Sones' residence, ca. 3 mi. ne. of Sasnta Rosa. 145 Comment
  HSC7612  Arctostaphylos canescens subsp. canescens Freed W. Hoffman 1948-5-10 2677 Sonoma E face Cobb Mtn. 1220 Comment
  CAS-BOT-BC23898  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1933-4-2 10945 Sonoma Rincon Ridge, near Santa Rosa Comment
  UC549709  Arctostaphylos canescens subsp. sonomensis J. E. Adams 1935-3-1 1024 Sonoma e Sta. Rosa; Rincon Ridge Comment
  UC570377  Arctostaphylos canescens subsp. sonomensis Chas. M. Belshaw 1936-3-8 1577 Sonoma 3/4 mi sw County Farm; North Coast Range, Rincon Ridge 152 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
  SEINET11989282  Arctostaphylos canescens var. sonomensis W. Knight, Knight, I. 1982-1 4443 Sonoma Tilden Botanic Garden, Berkeley, originally from Rincon Ridge Comment
  CDA12242  Arctostaphylos columbiana G. F. Hrusa 1989-1-1 5796 Sonoma North Coast Biodiversity Arena; Approx. 5 miles N of Fort Ross on Hwy 1. Comment
  UCD50671  Arctostaphylos columbiana Roman Gankin; W. R. Hildreth and Ken Milam 1965-4-13 497 Sonoma 0.1 mile north of Timber Cove, east of State Highway 1. Comment
  CAS-BOT-BC23638  Arctostaphylos columbiana Mary P. Wells 1985-10-4 669 a Sonoma About 1 mile south of Gualala River Comment
  CAS-BOT-BC24976  Arctostaphylos densiflora Walter Knight; Irja Knight 1980-12-23 3856 Sonoma In a ditch along Vine Hill Road across from McConnell's place. Comment
  CAS-BOT-BC24986  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5770 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC24999  Arctostaphylos densiflora J. Clausen 1933-3-26 746 Sonoma Summit of Harrison Grade, Between Graton and Occidental. Comment
  CAS-BOT-BC25012  Arctostaphylos densiflora J. Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4083 Sonoma Originally from Vine Hill area near Sebastopol. Comment
  CAS-BOT-BC25023  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5778 Sonoma Vine Hill District, 10 miles W of Santa Rosa. Comment
  POM204431  Arctostaphylos densiflora J. T. Howell 1931-3-14 5770 Sonoma Vine Hill District Comment
  SD107684  Arctostaphylos densiflora Walter Knight, Irja Knight 1980-12-23 3856 Sonoma In ditch along Vine Hill Road across from McConnell's place. Comment
  UC1120149  Arctostaphylos densiflora C. M. Belshaw 1936-3-7 1564 Sonoma Vine Hill Sebastopol Quadrangle Comment
  CAS-BOT-BC24678  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight 1963-12-27 472 Sonoma Summit Pine Flat Road. Comment
  CAS-BOT-BC24721  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight; Stephen W. Edwards 1985-1-27 5173 Sonoma 7.7 mi. from w. end of Sonoma Lake Bridge on Rockpile Road. Comment
  UC424816  Arctostaphylos glandulosa subsp. glandulosa unknown 1930-3-1 3881 Sonoma along hwy. region by Frei Bros. Ranch Vine Hill Comment
Read comments Jun 14 2011
  RSA631196  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24732 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CDA10854  Arctostaphylos glandulosa var. cushingiana G. F. Hrusa, G. L. Stebbins 1994-4-8 11730 Sonoma North Coast Biodiversity Arena; N facing slope at Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  CAS-BOT-BC39113  Arctostaphylos hispidula Roger Raiche 1984-2-3 40016 Sonoma Rockpile Road, 9/1 miles north from its intersection and beginning at Skaggs Spring-Stewarts Point Road. 502 Comment
  SEINET11998616  Arctostaphylos hispidula W. Knight, Knight, I.; Wells, P. V. 1985-1 6325 Sonoma Rockpile Rd above Lake Sonoma Comment
  UCSB24400  Arctostaphylos hispidula McMinn, H. 1936-4-5 Sonoma Two miles east of Occidental Comment
  CAS-BOT-BC38988  Arctostaphylos manzanita Roger Raiche 1983-7-3 30476 Sonoma East Austin Creek State Rec. Area, near Redwood Lake, at edge of forest on north-facing slope. 365 Comment
  RSA633052  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27486 Sonoma Stewarts Road ca. 10 km W of Geyserville. 420 Comment
  UC1614286  Arctostaphylos manzanita Charles M. Belshaw 1936-3-7 1560 Sonoma 1/4 mi w of Trenton Comment
  UCD59187  Arctostaphylos manzanita Roger Raiche 1982-11-20 20860 Sonoma On serpentine of Morrison Ridge. Gilliam Greek watershed. East Austin Creek State Rec. Area. 304 Comment
Read comments Oct 17 2013
  RSA97559  Arctostaphylos manzanita L. S. Rose 1955-2-14 55000 Sonoma Forestville. 23 Comment
  SEINET11990957  Arctostaphylos manzanita Unknown 1983-1 30585 B Sonoma Layton Mine, Austin Creek, The Cedars Comment
  SEINET11990960  Arctostaphylos manzanita Unknown 1983-1 30499 B Sonoma near entrance to public landfill site, rd to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11990977  Arctostaphylos manzanita Unknown 1983-1 30499 E Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11991019  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4752 Sonoma The Cedars, near Cazadero 274 Comment
  UCD51915  Arctostaphylos manzanita C. M. Belshaw 1936-3-7 1561 Sonoma 1/2 mile NW of Trenton. 60 Comment
  UCD51921  Arctostaphylos manzanita John M. Tucker 1977-6-16 4393 Sonoma On Shurtleff Ranch off Chalk Hill Road to the east; ca. 4 miles (airline) northeast of East Windsor (or ca. 10 miles, airline, north-northwest of Santa Rosa). 121 Comment
  UCD52252  Arctostaphylos manzanita Freed W. Hoffman 1947-3-11 822 Sonoma Duvoul Creek, a branch of Dutch Bill Creek. Comment
  SEINET11977792  Arctostaphylos manzanita subsp. bakeri C. M. Belshaw 1936-1 1553 Sonoma 1 mi NE of Occidental 37 Comment
  CAS-BOT-BC38903  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7949 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38920  Arctostaphylos manzanita subsp. glaucescens Walter Knight; Irja Knight 1987-2-5 6083 Sonoma Pepperwood Preserve, Garrison Canyon 121 Comment
  SEINET11994915  Arctostaphylos manzanita subsp. glaucescens W. Knight, Knight, I. 1987-1 6083 Sonoma Pepperwood Preserve, Garrison Canyon 122 Comment
  CAS-BOT-BC38685  Arctostaphylos manzanita subsp. manzanita Alice Griffin 1923-1-1 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC38686  Arctostaphylos manzanita subsp. manzanita R. F. Hoover 1963-1-12 8548 Sonoma Trinity Road, Hoods Peak Range Comment
  CAS-BOT-BC38711  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 9 Sonoma Residence of M. S. Batker, at west base of Mt. Hood. Comment
  RSA364362  Arctostaphylos manzanita subsp. manzanita Walter Knight, Irja, Knight Research Associates, Roger Raiche, Steve Edwards, B. K. Knight 1983-7-3 4753 Sonoma The Cedars, near Cazadero, on Twitchell Ranch. 274 Comment
  RSA655453  Arctostaphylos manzanita subsp. manzanita Beecher Crampton 1955-6-17 2978 Sonoma 2.4 miles south of Monte Rio, road to Camp Meeker. Comment
  UC1281098  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1936-4-5 4410 Sonoma along road just w Vine Hill School House Comment
  UC205096  Arctostaphylos manzanita subsp. manzanita Katharine Brandegee Sonoma Mt. St. Helena Comment
  UC909843  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-28 729 Sonoma rd. to Cazadero Seaview Comment
  CAS-BOT-BC38690  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1939-1-15 14596 Sonoma Booth place, Knight's Valley Comment
  CAS-BOT-BC47339  Arctostaphylos stanfordiana Roger Raiche 1982-4-10 20301 E Sonoma King Ridge Rd. (4.5 mi. n. of junction with Ft. Ross Rd.), about 0.7 mi. in from King Ridge Rd. on old Layton Comment
  CAS-BOT-BC47341  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5777 Sonoma Vine Hill District, 10 mi. w. of Santa Rosa. Comment
  CDA11229  Arctostaphylos stanfordiana G. F. Hrusa 1989-1-1 5798 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. up Cavedale Rd. from Hwy 12 near Kenwood. Comment
  JEPS98850  Arctostaphylos stanfordiana James B. Roof 1963-2-28 Sonoma Mt. St. Helena 868 Comment
  RSA636814  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24717 Sonoma Along Calistoga Road, 8.5 km southwest of Highway 128. 360 Comment
  UC126754  Arctostaphylos stanfordiana Miss Alice Eastwood 1907-3-29 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC47303  Arctostaphylos stanfordiana subsp. decumbens Walter Knight; Irja Knight; Dr. Steve Edwards 1985-5-19 6051 Sonoma Chapman Branch of Crane Creek nr. Dorman Canyon., s. of Mt. Bradford, nw x w of Healdsburg. 265 Comment
  UCR42304  Arctostaphylos viscida L. F. LaPre 1986-3-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  UCD52206  Arctostaphylos viscida Freed W. Hoffman 1947-2-28 762 Sonoma Near Guerneville, Sonoma County. Comment
  CDA11146  Arctostaphylos viscida subsp. pulchella G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11557 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Comment
  UC1220419  Arctostaphylos viscida subsp. pulchella J. A. Delapp 1962-3-10 62 Sonoma 4.1 mi ne Cazadero; Quad 61D-$, Gilliam Creek 167 Comment
Read comments Mar 7 2016
  CDA20097  Arctotheca prostrata G. Bjork 2003-3-24 PDR 1279789 Sonoma North Coast Ranges; at 4052 Hessel Rd, Sebastopol. 0 Comment
  RSA534491  Aristolochia californica Peter Rubtzoff 1987-3-15 9756 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Off Summerhome Park Road 0.2 mi. from (west of) Forest Hills Road (same station as #9735). Comment
  UC445109  Armeria maritima subsp. californica Katharine Brandegee June 1905 Sonoma Bodega Comment
  UCSB19199  Armeria maritima subsp. californica Jensen, Karen 1965-4-16 Sonoma State Highway 1; 3 km. N of Salmon Creek Bridge; N of Bodega 18 Comment
  CAS-BOT-BC82563  Arnica discoidea James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  CDA391  Arnica discoidea D. G. Kelch 2003-7-14 3 .376 Sonoma Cavedale Road. Comment
  JEPS37016  Artemisia douglasiana W. L. Jepson 1921-9-12 9480 Sonoma south side of Alexander Valley Alexander Valley 45 Comment
  CAS-BOT-BC90497  Artemisia douglasiana Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5856 Sonoma Llano Road near sewage disposal plant at edge of Laguna de Santa Rosa 45 Comment
  UCD148374  Artemisia douglasiana Peter Rubtzoff 1955-10-12 2164 Sonoma Duncans Mills Marsh. Comment
  RSA552337  Artemisia suksdorfii L. M. Shultz, John Shultz 1986-9-20 10233 Sonoma 1 mile north of Jenner along Pacific Coast Highway 6 Comment
Read comments May 7 2016
  CAS-BOT-BC400604  Asarum caudatum Peter Rubtzoff 1951-6-17 284 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  UCD151053  Asarum caudatum Mary M. Hektner 1976-5-13 256 Sonoma Sea Ranch, near State Highway 1. Comment
  UC449992  Asclepias cordifolia Milo S. Baker 1898-7-12 676 Sonoma Geyser Canyon Comment
  CAS-BOT-BC222857  Asclepias solanoana Helen K. Sharsmith 1952-6-18 4128 Sonoma Inner North Coast Ranges. Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains 975 Comment
  CAS-BOT-BC478543  Asparagus officinalis Walter Knight; Irja Knight 1961-8-26 4726 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC180468  Astragalus breweri Milo S. Baker 1932-4-27 5942 Sonoma Calistoga Geysers Comment
  POM16000  Astragalus gambelianus A. A. Heller, H. E. Brown, A. H. Heller 1902-4-4 8055 Sonoma Hills east of Santa Rosa Comment
  OBI49330  Astragalus gambelianus Michener & Bioletti, Bioletti June1893 s.n. Sonoma Sonoma, Hood's Peak Comment
  RSA227214  Athyrium filix-femina subsp. cyclosorum Peter Rubtzoff 1957-6-28 3384 Sonoma Ducans Mills Marsh Comment
  CAS-BOT-BC66157  Athyrium filix-femina var. cyclosorum John H. Thomas 1976-6-16 18291 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UC1042437  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-11-24 843 Sonoma near Forestville (n 1/2 of Lower Marsh); Pitkin Marsh Comment
  CHSC57353  Athysanus pusillus Shelly A. Kirn 1991-3-28 8 Sonoma Ca. 100 yds e of Hwy 101, 0.5 mi n of Cloverdale. 97 Comment
  UC1034625  Atriplex leucophylla Milo S. Baker 1938-6-6 9016 Sonoma beach at Salmon Creek; beach at Salmon Creek Comment
  UCR248362  Atriplex prostrata Peter Rubtzoff 1956-9-15 2898 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC146141  Avena barbata G. DeNevers 1981-5-9 1018 Sonoma Pepperwood Ranch. By the Red Corral at the McCann Homestead. Comment
  RSA785846  Avena fatua Peter Rubtzoff 1980-5-26 9450 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville. Comment
  CAS-BOT-BC68337  Azolla filiculoides Greg de Nevers 1987-2-8 8125 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC68340  Azolla filiculoides Peter Rubtzoff 1961-8-6 4673 Sonoma Americano Creek 1/2 mi. east of Valley Ford Comment
  CAS-BOT-BC154151  Baccharis douglasii Peter Rubtzoff 1958-8-23 3918 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC154997  Baccharis douglasii Peter Rubtzoff 1958-8-23 3915 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC98648  Baccharis douglasii G. DeNevers 1981-7-11 1746 A Sonoma Pepperwood Ranch - at the big spring at the Skovie Comment
  CAS-BOT-BC99591  Baccharis pilularis Carl B. Wolf; E. R. Johnson 1934-10-13 6181 Sonoma 2 4/10 mi. no. of mouth of Russian River 60 Comment
  CDA36850  Baccharis pilularis 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
  POM213044  Baccharis pilularis C. B. Wolf 1934-10-13 6181 Sonoma 2 2/5 miles north of mouth of Russian River. 61 Comment
  CAS-BOT-BC99597  Baccharis pilularis Walter Knight; Irja Knight 1963-10-3 502 Sonoma Grange Rd 1/2 mi above Grange hall Comment
  POM144396  Barbarea vulgaris A. A. Heller, H. E. Brown 1902-3-20 s.n. Sonoma Near Windsor. Comment
  CAS-BOT-BC145874  Beckmannia syzigachne John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  CDA13125  Beckmannia syzigachne G. F. Hrusa, R. Gross 1996-6-3 13060 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  JEPS97716  Beckmannia syzigachne Annetta M. Carter 1934-4-29 508 Sonoma 1 mi. W of Two Rock Junction on rd. to Tomales. Comment
  SEINET179633  Beckmannia syzigachne H. P. Bracelin 1930-7-27 20 Sonoma 1 mi N of Fort Ross Comment
  UC37448  Beckmannia syzigachne Michener and Bioletti 1893-6-10 114 Sonoma Kenwood Comment
  UC573779  Beckmannia syzigachne H. S. Yates 1937-6-5 6576 Sonoma near Wildwood; Santa Rosa Quadrangle 121 Comment
  SEINET10514183  Beckmannia syzigachne A. Arthur Heller 1902-6-27 Heller 5780 Sonoma West Windsor near Russian River. Comment
  SEINET5223259  Bellis perennis Unknown 1994-4-3 79 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  CAS-BOT-BC106392  Bellis perennis Mildred Parks 1925-7-20 s.n. Sonoma Stewart's Point Comment
  CAS-BOT-BC75775  Berberis pinnata A. A. Heller; H. E. Brown 1902-4-11 5257 Sonoma Bodega Bay. Comment
  CAS-BOT-BC102052  Bidens cernua Peter Rubtzoff 1951-9-15 760 Sonoma Pitkin Marsh, near Forestville; lower part of the Upper Marsh Comment
  CAS-BOT-BC290551  Bidens frondosa Peter Rubtzoff 1958-9-27 4012 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  JEPS26041  Bidens frondosa Lewis S. Rose 1960-9-14 60092 Sonoma 2 mi e Graton; Laguna de Santa Rosa 15 Comment
  CAS-BOT-BC290559  Bidens frondosa Peter Rubtzoff 1958-8-17 3891 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
  JEPS54478  Bidens laevis Rimo Bacigalupi 1967-8-30 9311 Sonoma in central part of upper Pitkin Marsh (just below (s of) confluence of two upper (n) arms, very close to) 45 Comment
  UCR248952  Bidens laevis Peter Rubtzoff 1967-8-30 5874 Sonoma Pitkin Marsh, near Forestville. Southern part of Upper Marsh 38 Comment
  CAS-BOT-BC290561  Bidens laevis Peter Rubtzoff 1967-9-16 5882 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh. Comment
  CAS-BOT-BC290566  Bidens laevis Peter Rubtzoff 1954-11-18 1764 Sonoma Bodega Head Marsh. Comment
  RSA0019010  Bidens laevis Peter Rubtzoff 1967-8-30 5874 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh. Comment
  CAS-BOT-BC257983  Blennosperma bakeri Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7398 Sonoma Laguna de Santa Rosa, ca. 1 mi. east-southeast of Sebastopol. Comment
  JEPS35788  Blennosperma bakeri Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8929 Sonoma along Hayes St. just s Bettencourt (southern outskirts of town, at type locality); Sonoma 19 Comment
  JEPS83486  Blennosperma bakeri Jack and Betty Guggolz 1986-3-18 857 Sonoma n side of Piner Road, 1 to 1.25 m w of Fulton Rd Comment
  RSA786928  Blennosperma bakeri Carrie A. Herd 1982-3-16 27 Sonoma Santa Rosa, Todd Road Preserve Comment
  UC725276 Image available Blennosperma bakeri Milo S. Baker 1946-4-2 11307 Sonoma ca 0.25 mi s Napa Street (in field on e side of street, Hog Wallow w outskirts of Sonoma); Sonoma, Hog Wallow; near Sonoma, Sonoma Co. Comment
  NY31011  Blennosperma californicum A. A. Heller 1902-3-14 5064 Sonoma Near Windsor Comment
  NY31038  Blennosperma nanum P. H. Raven 1954-2-27 6421 Sonoma Cavedale Road, ca. 3 miles north of Boyes Springs, Sonoma Valley Comment
  CAS-BOT-BC105957  Blennosperma nanum var. nanum Ruth Hass 1975-3-9 s.n. Sonoma Near Summerfiled Road near Bennett Valley, se. of Santa Rosa Comment
  CAS-BOT-BC154955  Boisduvalia Peter Rubtzoff 1971-6-30 6581 Sonoma Eastern foothills of Sonoma Mtns. On Sobre Vista Road, 0.9 mi. W of Arnold Drive Comment
  CAS-BOT-BC154965  Boisduvalia densiflora Peter Rubtzoff 1960-9-14 4544 Sonoma Laguna de Santa Rosa, E of Graton (btwn. Occidental & Guerneville Roads) Comment
  RSA791563  Boisduvalia stricta Peter Rubtzoff 1961-6-7 4617 Sonoma Laguna de Santa Rosa, about 1 mi SE of Trenton. Comment
  CAS-BOT-BC28176  Bolboschoenus fluviatilis Peter Rubtzoff 1958-7-5 3728 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road. Comment
  UCR249042  Bolboschoenus maritimus subsp. paludosus Peter Rubtzoff 1972-8-26 6859 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  UC1051640  Botrychium multifidum Peter Kamb, Francia Chisaki 1950-6-16 1866 Sonoma NW of Sebastopol (Pitkin Marsh, 1 mi N of Sousa Corners) 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
  CDA19901  Boykinia occidentalis R. Gross 2002-6-11 s.n. Sonoma Northern California; Trout farm on NW side of Mt St Helena. 0 Comment
  CAS-BOT-BC145444  Brachypodium distachyon G. DeNevers 1981-5-15 1188 Sonoma Pepperwood Ranch. On the ridge above Hansel's Lake, in a roadcut. Comment
  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
  UCD56891  Brachypodium phoenicoides R. C. Morehouse 1937-8-23 s.n. Sonoma Sample plot one mile west of Bloom field. East of Valley Ford. Comment
  CAS-BOT-BC36708  Brassica rapa Mary P. Wells 1984-5-16 s.n. Sonoma Santa Rosa. Rincon Valley. Friends House grounds. Comment
  CDA3606  Brassica rapa J. M. DiTomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab across from entrance to the marine facility. 0 Comment
  CAS-BOT-BC182743  Brassicaceae Peter Rubtzoff 1969-8-29 6169 Sonoma Willow Creek Marsh 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
  CAS-BOT-BC145484  Briza maxima Roxana S. Ferris; Laura Lorraine 1961-6-14 13530 Sonoma Junction of Bittner Road with Joy Road between Occidental and Bodega. Comment
  SJSU810  Briza maxima A. W. Jacobs 1943-5-15 Sonoma near Forestville Comment
Read comments Sep 17 2008
  UCD57155  Briza maxima B. Crampton 1954-4-26 1790 Sonoma Hwy. 128. About 9 miles SE Geyserville. 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
  SEINET10861606  Briza maxima Jon Ricketson, Deanna Vanderbur 1985-7-3 Ricketson 2619 Sonoma Fort Ross State Park, along State Highwa 1, between Fort Ross and Jenner above Pacific Ocean. 50 miles northwest of San Francisco. 30 Comment
  CAS-BOT-BC145282  Briza minor Peter Rubtzoff 1955-5-21 1864 Sonoma Forestville Marsh. Bordering the marsh in teh south. Comment
  UCD57415  Briza minor Gerry North 1993-4 42 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. South of Hillside Trail, at fork by water tank. 426 Comment
  SEINET11689513  Briza minor F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -245 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SEINET10570437 Image available Brodiaea californica subsp. leptandra A. Arthur Heller 1902-6-23 Heller 5742 Sonoma Pertified Forest. Comment
  CAS-BOT-BC132211  Brodiaea californica var. leptandra R. F. Hoover 1938-6-14 3604 Sonoma 2 mi. se. of Healdsburg Comment
  UCD161243  Brodiaea elegans subsp. elegans James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3707 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-BC484390  Brodiaea elegans subsp. elegans Peter Rubtzoff; H. A. Froebe 1971-5-30 6461 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road 0.9 miles west of Arnold Drive Comment
  UC768739  Brodiaea leptandra R. F. Hoover 1938-6-14 3604 Sonoma 2 mi se Healdsburg Comment
  SD24123  Brodiaea stellaris R. F. Hoover 1938-6-14 3611 Sonoma 3 miles west of Graton, on road to Occidental. Comment
  CAS-BOT-BC486471  Brodiaea terrestris subsp. terrestris Alice Eastwood; John Thomas Howell 1936-5-19 2517 Sonoma 2 miles n. of Windsor Comment
  CAS-BOT-BC486475  Brodiaea terrestris subsp. terrestris H. C. Cantelow 1941-6-7 s.n. Sonoma 4.2 miles west of Jenner Comment
  CAS-BOT-BC149083  Bromus carinatus var. carinatus David L. Morgan 1961-4-15 s.n. Sonoma Bluffs, Bodega Bay. Comment
  CAS-BOT-BC149088  Bromus carinatus var. carinatus John H. Thomas 1976-6-16 18343 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UC1024772  Bromus carinatus var. carinatus Leo Whitney 1935-4-13 2256 b Sonoma Santa Rosa Comment
  CAS-BOT-BC156277  Bromus catharticus G. DeNevers 1981-5-5 931 Sonoma Pepperwood Ranch. In Pippindale Garden. Alos in west arm of Garrison Canyon. Comment
  CDA43044  Bromus commutatus G. Radieve & J. Curtis 2014-4-14 Sono 0479 Sonoma Sugarloaf Ridge State Park. 0 Comment
  JEPS14961  Bromus commutatus H. S. Yates 1937-6-6 6581 Sonoma 8 mi sw of Healdsburg 152 Comment
  SD88313  Bromus commutatus D. F. Howe 1972-5-2 4817 Sonoma Duncan Mills Pond; trail above pond Comment
  UCD36635  Bromus commutatus Beecher Crampton 1955-6-8 2829 Sonoma Sonoma County, 6 miles northwest of Calistoga, along State Highway 128. Comment
  CAS-BOT-BC155662  Bromus diandrus John Thomas Howell; Walter Knight; Irja Knight 1987-6-4 6228 Sonoma Tood Road Preserve. 24 Comment
  UCD58587  Bromus diandrus Chris Bowen 1974-5-18 s.n. Sonoma Unit 24 Owner's Map. Sea Ranch, near State Highway 1. Comment
  UCR248893  Bromus diandrus Peter Rubtzoff, H. A. Froebe 1971-5-30 6459 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive 137 Comment
  CAS-BOT-BC155207  Bromus hordeaceus David L. Morgan 1961-5-14 s.n. Sonoma Gold Ridge Road, 4 miles west of Sebastopol. Comment
  UCD58820  Bromus hordeaceus var. leptostachys Gerry North 1993-4 24 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 Pony Gate Gulch Creek by hig rock. 304 Comment
  RSA126882  Bromus laevipes H. S. Yates 1937-5-30 6543 Sonoma Three miles northwest of Graton. 61 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
  UCR151572  Bromus madritensis Beecher Crampton 1954-4-26 1794 Sonoma N end of Alexander Valley, border of Mendocino Co., 3 miles north of Cloverdale along U.S. Highway 101 122 Comment
  CAS-BOT-BC161704  Bromus rubens G. DeNevers 1981-5-23 1300 Sonoma Pepperwood Ranch. North of the Green House. Comment
  UCD60243  Bromus vulgaris B. Crampton 1955-6-17 2928 Sonoma 1.6 miles west of Forestville. Comment
  CAS-BOT-BC233703  Buddleja davidii Catherine Best 1984-8-18 1042 Sonoma Russian River Highway about .5 miles east of Monte Rio Comment
  CAS-BOT-BC36910  Cakile maritima var. maritima Roxana S. Ferris 1937-8-18 9370 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  RSA0064342  Calamagrostis Peter Rubtzoff 1967-8-22 5856 Sonoma Hillside depression southeast of lower Salmon Creek Marsh. Comment
  RSA654820  Calamagrostis bolanderi Colette Beaupre 2000-7-6 s.n. Sonoma Near Sea Ranch, CA on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB&M 183 Comment
  UC1146621  Calamagrostis bolanderi Freed W. Hoffman 1943-6-20 2058 Sonoma near Salt Point (Eckert Ranch); North Coast Ranges, Sonoma Coast Comment
  UCD57039  Calamagrostis bolanderi Freed W. Hoffman 1941-6-15 2157 Sonoma North Coast Ranges, Sonoma Coast, Eckert's Ranch near Salt Point. Comment
  UCR66615  Calamagrostis koelerioides A. A. Beetle 1945-8-4 4012 Sonoma North Coast, 10 miles north of Fort Ross Comment
Read comments Aug 20 2009
  UCD57512  Calamagrostis nutkaensis Beecher Crampton 1957-7-11 4349 Sonoma ca. 9 miles north of Salmon Creek, just south of Goat Rock, Sonoma Coast State Park, above Blind Beach. Comment
  CAS-BOT-BC185131  Calamagrostis nutkaensis Mary P. Wells 1982-8-21 128 Sonoma South Gerstle Cove, Salt Point State Park. Comment
  UCD57535  Calamagrostis ophitidis R. Tofsrud 1948-7-1 s.n. Sonoma about halfway between The Geysers and Alexander Valley. Comment
  UCR255656  Calandrinia breweri Greg de Nevers 1997-4-12 10930 Sonoma Santa Rosa, Pepperwood Ranch, 3450 Franz Valley Road 400 Comment
  CAS-BOT-BC438603  Calandrinia ciliata Peter Rubtzoff 1960-5-18 4361 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC438608  Calandrinia ciliata G. DeNevers 1982-3-28 1937 Sonoma Pepperwood Ranch. Across the pasture from the barn at Pepperwood. Comment
  RSA176434  Calendula arvensis Peter H. Raven 1963-4-28 18257 Sonoma Just west of El Verano. Comment
  UCD129656  Calendula arvensis John Thomas Howell 1954-4-1 29138 Sonoma east of Shellville. 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
  NY370199  Callitriche heterophylla var. bolanderi M. A. Nobs 1949-8-1 1106 Sonoma Bog, 2 miles east of Stewart's Point on road to Geyserville Comment
  CAS-BOT-BC293755  Callitriche palustris Peter Rubtzoff 1974-4-6 7351 Sonoma Kenwood Marsh. Comment
  JEPS101264  Calochortus amabilis Dean W. Taylor 1994-5-4 14221 Sonoma 1.8 mi N of Camp Meeker along Bohemian Hwy; Dutch Bill Cr drainage just downstream confluence with Duvol Creek 76 Comment
  UC119765  Calochortus amabilis Michener and Bioletti May 1893 Sonoma Los Guilicos Comment
  CAS-BOT-BC483284  Calochortus amabilis Elsa Ruckert 1960-4-29 57 -408 Sonoma Trinity Road, 1/4 mile north form Highway 12 152 Comment
  RSA177940  Calochortus amabilis Robert F. Thorne 1965-4-20 34360 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  SEINET12051460  Calochortus amabilis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -249 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UC3408  Calochortus luteus Michener and Bioletti 1893-1 Sonoma Los Guilucos Comment
  CAS-BOT-BC492634  Calochortus luteus A. Day 1982-6-1 82 -64 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC492642  Calochortus luteus F. G. Kraus 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  UC119755  Calochortus luteus Katharine Brandegee 1905-5-8 Sonoma near Santa Rosa Comment
  JEPS82297  Calochortus raichei Roger Raiche 1983-6-25 20424 Sonoma above Layton Mine (Austin Creek watershed); The Cedars, Austin Creek 365 Comment
  JEPS83743  Calochortus raichei Roger Raiche 1986-7-7 60214 Sonoma n Cazadero (sw-facing serpentine slope); The Cedars, Red Slide Creek (central branch) Comment
Read comments Aug 2 2012
  HSC103444  Calochortus vestae Thomas W. Nelson, Jane Nelson 2004-5-5 9196 Sonoma Along Filex Creek Rd., 2.6 mi. from junction with State Route 101 at Hopland 207 Comment
  RSA0120932  Caltha palustris Peter Rubtzoff 1955-4-9 1768 Sonoma Forestville Marsh Comment
  CAS-BOT-BC270707  Calycadenia multiglandulosa Milo S. Baker 1930-6-6 4161 Sonoma Along Highway (southern) between Sebastopol and Occidental Comment
  CAS-BOT-BC270844  Calycadenia pauciflora Gerald D. Carr 1972-3-20 687 Sonoma 1.0 mile W of Westside Road on Mill Creek Road, 2.5 miles SW of Healdsburg 106 Comment
  CAS-BOT-BC90990  Calycanthus occidentalis Peter Rubtzoff 1960-6-10 4492 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC90999  Calycanthus occidentalis Greg de Nevers 1994-4-26 10521 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In headwaters of Franz Creek near Mountain House. 457 Comment
  CAS-BOT-BC91004  Calycanthus occidentalis H. L. Mason 1934-4-28 8067 Sonoma Jensen Ranch, head of Dohrman Creek. Comment
  JEPS128219  Calycanthus occidentalis Roger Raiche 2000-5-27 111 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA178025  Calycanthus occidentalis R. F. Thorne 1965-4-19 34315 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  SEINET5784448 Image available Calycanthus occidentalis Marcus E. Jones 1882-1 Sonoma Duncan's Mills 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
  SEINET12094722  Calycanthus occidentalis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -232 Sonoma ca 0.1 mi W on Sonoma Mt. Rd from Bennett Valley Rd along Graham Creek, W of Glen Ellen & CA 12 75 Comment
  CHSC27858  Calypso bulbosa Pauline kunst 1977-3-6 12 Sonoma Abundant, ca. 0.2 mi ne of jct of Camp Meeker Occidental Rd. and Sylvania Heights, Camp Meeker. 188 Comment
  RSA177994  Calypso bulbosa Robert F. Thorne 1965-4-19 34297 Sonoma W of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  POM320595  Calypso bulbosa Lynne Hayden 1970-4-4 67 Sonoma Armstrong Redwood State Park Russian River, Rich loam, Redwood forest Comment
  SEINET215198  Calystegia Jay P. Smith 1968-4-28 7 Sonoma Bodega Bay south of Bodega Head Comment
  SEINET12329965  Calystegia purpurata subsp. purpurata F. H. Utech 1986-1 86 -097 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  UC1123588  Calystegia subacaulis E. Armstrong 1934-3-26 938 Sonoma 4 miles N of Camp Meeker; Sebastopol Quad. Comment
  CAS-BOT-BC498776  Camassia quamash subsp. linearis John Thomas Howell 1945-5-30 20905 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC498779  Camassia quamash subsp. linearis Peter Rubtzoff 1957-5-11 3326 Sonoma Occidental Marsh; Sonoma County Marshes Comment
  JEPS61558  Camassia quamash subsp. quamash Eleanor Armstrong 1933-4-1 656 Sonoma near Occidental Comment
  NY679548  Camissonia cheiranthifolia subsp. cheiranthifolia A. A. Heller 1940-5-17 15626 Sonoma On the bluff N of the town of Bay, Bodega Bay. Comment
  CAS-BOT-BC160367  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Alice Eastwood 1915-6-29 4832 Sonoma Bodega Point Comment
  SEINET10872993  Campanula californica Howell 1945-8-14 Howell 21402 Sonoma Perry Marsh Comment
  JEPS128212  Campanula griffinii Roger Raiche 2003-5-24 016 .03 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD114119  Capsella bursa-pastoris Frederica Bowcutt; Kate Mawdsley 1996-3-24 2070 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. About 1 air mile S of Red Mountian, just S of Sonoma Creek. Meadow in center of campground, E end of meadow just S of outdoor center. 365 Comment
  UCD114128  Capsella bursa-pastoris Mary M. Hektner 1975-6-24 212 Sonoma in the University of California, Davis experimental competition plots next to the Sea Ranch Association Office; Unit 18-A Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC37759  Cardamine californica A. A. Heller; H. E. Brown 1902-3-20 5104 Sonoma Near Windsor. Comment
  CAS-BOT-BC37763  Cardamine californica Alice Eastwood 1921-4-24 10387 Sonoma Santa Rosa. Comment
  RSA135439  Cardamine californica var. integrifolia R. H. Thompson 1880-04 s.n. Sonoma Near Healdsburg. Comment
  CDA18778  Cardamine hirsuta Boris Korotyaev 2000-3-28 s.n. Sonoma Northern California; Bodega Bay. 0 Comment
  JEPS128328  Cardamine pachystigma var. dissectifolia Roger Raiche 2010-2-7 006 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC384861  Cardionema ramosissimum Alice Eastwood 1915-6-29 4816 Sonoma Bodega Point Comment
  UCD148413  Carduus Peter Rubtzoff 1959-6-13 4141 Sonoma Willow Creek Marsh. Comment
  SEINET11843447  Carduus pycnocephalus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -160 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 120 Comment
  CDA37139  Carduus tenuiflorus Chris Heintzelman 2012-3-1 PDR# 1596519 Sonoma Bodega Head; approx. 1/4 mile north of the east parking lot (currently closed). 0 Comment
  UCR254828  Carex abrupta Peter Rubtzoff 1958-4-26 3585 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC344830  Carex abrupta Peter Rubtzoff 1962-7-14 s.n. Sonoma Lower Salmon Creek Marsh Comment
  SEINET14443037  Carex albida Unknown Sonoma Comment
  CAS-BOT-BC18145  Carex athrostachya Peter Rubtzoff 1959-5-30 4055 Sonoma Freestone 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
  UCD112454  Carex athrostachya Peter Rubtzoff 1960-5-20 4395 Sonoma Laguna de Santa Rosa east of Graton (between Occidental and Guerneville roads). Comment
  CAS-BOT-BC19370  Carex barbarae G. DeNevers 1981-6-20 1613 Sonoma Pepperwood Ranch. Along Leslie Creek. 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
  RSA0023067  Carex barbarae Peter Rubtzoff 1958-5-10 3655 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  CAS-BOT-BC19569  Carex bolanderi Roxana S. Ferris; Laura Lorraine 1961-6-14 13539 Sonoma Joy Road grade, 1.8 mile from junction with Bodgea Highway. Comment
  RSA0031800  Carex bolanderi Peter Rubtzoff 1954-8-2 1621 Sonoma Duncans Mills Marsh. Upper portion of the marsh. Comment
  RSA143956  Carex bolanderi Roxana S. Ferris, Laura Lorraine 1961-6-14 13539 Sonoma Joy Road Grade, 1.8 miles from jct. with Bodega Hwy Comment
  CAS-BOT-BC34026  Carex brevicaulis Robert F. Thorne 1965-4-19 34321 Sonoma Harrison Grade 0.5 mile east of Stoetz Road. 152 Comment
  CAS-BOT-BC34025  Carex brevicaulis John Thomas Howell 1938-7-3 13954 Sonoma 3 miles south of Sebastopol. Comment
  JEPS116508  Carex californica Peter Warner 2009-6-9 107 Sonoma Salt Point State Park, main trail to pygmy forest from Woodside Campground, approx. 1.3 mi E of Hwy 1, approx. 0.25 mi ESE of water tanks, along trail edge 200 Comment
  CAS-BOT-BC20498  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Sonoma County Marshes. Stony Point Marsh. Comment
  CAS-BOT-BC242637  Carex densa Peter Rubtzoff 1958-4-26 3603 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  UC590029  Carex densa H. S. Yates 1936-5-3 5575 Sonoma 1 mi ne Petrified Forest; Calistoga Quadrangle 304 Comment
  CAS-BOT-BC18993  Carex densa Katherine Esau 1935-5-5 s.n. Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC20242  Carex densa Peter Rubtzoff 1968-6-25 5901 Sonoma Lichau Marsh. Comment
  CAS-BOT-BC20507  Carex densa Peter Rubtzoff 1958-4-26 3604 Sonoma Sonoma County Marshes. Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC20515  Carex densa Peter Rubtzoff 1976-5-30 8575 Sonoma Sonoma County Marshes. Kenwood Marsh. Comment
  CAS-BOT-BC20516  Carex densa Peter Rubtzoff 1975-7-3 8148 Sonoma Sonoma County Marshes. Kenwood Marsh. Comment
  RSA52006  Carex dudleyi J. T. Howell 1945-5-30 20891 Sonoma Pitkin Marsh. Comment
  UCR250041  Carex exsiccata Peter Rubtzoff 1955-6-26 1906 Sonoma Duncan Mills Marsh, lower portion of marsh 2 Comment
  CAS-BOT-BC20450  Carex globosa John Thomas Howell 1945-5-30 20913 Sonoma Vine Hill School. Comment
  CAS-BOT-BC28363  Carex gracilior Peter Rubtzoff 1959-5-30 4065 Sonoma freestone Marsh. Comment
  CAS-BOT-BC28335  Carex gracilior Henry Nicholas Bolander 1864-4-1 3814 Sonoma Meadow near Mark West Creek. Comment
  RSA94276  Carex gracilior Peter Rubtzoff 1951-7-7 379 Sonoma Pitkin Marsh, near Forestville: Eastern branch of NE upper Marsh in partial shade on damp ground Comment
  UC855  Carex gracilior H. N. Bolander 1866-4-12 4635 Sonoma Comment
Read comments Apr 5 2008
  UCD112364  Carex gracilior Peter Rubtzoff 1955-4-30 1808 Sonoma Forestville Marsh. Comment
  RSA0023065  Carex gynodynama Peter Rubtzoff 1957-5-4 3310 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC21899  Carex harfordii John Thomas Howell 1945-5-30 20890 Sonoma Pitkin Marsh. Comment
  SEINET7561245 Image available Carex harfordii Andrew L. Hipp, Glen C. Clifton 1999-5-27 349 Sonoma Marsh opposite entrance to Doran Beach Park, Bodega Harbor Marsh. 15 Comment
  CHSC114389  Carex hassei Peter Warner; Kara Doolin, Anthony Nelson 2010-6-28 168 Sonoma Lower Pitkin Marsh,--63m, N49 o E ofgate at Hwy. 116, just N of interior fence, in understory of perennialgrasses and herbs. UTM 10S: 511310E, 4256389N, T7N, R9W: Molinos. 39 Comment
  NY11188  Carex lacunarum A. A. Heller 1902-7-1 5797 Sonoma Lagoon at Sebastopol Comment
  CAS-BOT-BC311821  Carex lasiocarpa Peter Rubtzoff 1962-4-11 4795 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC31178  Carex lemmonii Peter Rubtzoff 1951-6-16 235 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  UC727759  Carex lemmonii Milo S. Baker 1946-5-13 11392 Sonoma on n Pitkin Ranch; Vine Hill Region, Pitkin Marsh Comment
  CAS-BOT-BC31431  Carex leptopoda Peter Rubtzoff 1951-6-17 273 Sonoma Pitkin Marsh, near Forestville. Forest S of the Upper Marsh. Comment
  CAS-BOT-BC329277  Carex leptopoda Peter Rubtzoff 1964-6-24 5374 Sonoma Lower Salmon Creek Marsh. Comment
  JEPS128364  Carex mendocinensis Roger Raiche 2000-5-28 123 .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
  JEPS128382  Carex mendocinensis Roger Raiche 2000-5-5 082 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC119733  Carex nebrascensis John Thomas Howell 1946-8-17 22864 Sonoma Cunningham Marsh Comment
  UC1508  Carex nudata H. N. Bolander Apr 1864 3812 Sonoma Mark West Creek Comment
  CAS-BOT-BC310303  Carex obnupta Peter Rubtzoff 1964-6-24 s.n. Sonoma Coleman Marsh. Comment
  CAS-BOT-BC119313  Carex obnupta James Moffitt 1936-5-9 s.n. Sonoma 1/2 mi E of coast, 4 mi S of mouth of Gualala River. Comment
  CAS-BOT-BC119318  Carex obnupta LeRoy Abrams 1920-7-3 7606 Sonoma Gualala River near Mendocino-Sonoma Co. Line. Comment
  RSA0025196  Carex obnupta Peter Rubtzoff 1958-4-26 3585 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC119278  Carex ovalis Peter Rubtzoff 1951-6-17 265 Sonoma Pitkin Marsh, near Forestville. Eastern Branch of the Upper Marsh. Comment
  CAS-BOT-BC119285  Carex ovalis Peter Rubtzoff 1958-5-10 3638 Sonoma Laguna de Santa Rosa E of Cunningham near Llano Road. Comment
  CAS-BOT-BC320582  Carex ovalis Peter Rubtzoff 1966-6-5 5758 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  RSA107439  Carex ovalis L. S. Rose 1955-6-2 55060 Sonoma Pitkin Marsh, w. of Vine Hil Road, 10 mi. w. of Santa Rosa. 30 Comment
  UC1133473  Carex ovalis H. S. Yates 1936-5-16 5580 Sonoma 1 mi ne Graton; Sebastopol Quadrangle 30 Comment
  CAS-BOT-BC119249  Carex pachystachya Lewis Samuel Rose 1962-6-1 62065 Sonoma Freestone Comment
  UCR248918  Carex pachystachya var. pachystachya Peter Rubtzoff 1974-6-2 7504 Sonoma Upper Green Valley Marsh Comment
  UCR248937  Carex rostrata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville 38 Comment
  CAS-BOT-BC117673  Carex serratodens Gregory Clark de Nevers 1987-4-25 8164 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd. 400 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
  UCR248942  Carex stipata Peter Rubtzoff 1960-5-22 4410 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  UCR249052  Carex subbracteata Peter Rubtzoff 1976-5-30 8564 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  CAS-BOT-BC116787  Carex subbracteata var. subbracteata Catherine Best 1985-5-15 1086 Sonoma Bodega Head. Comment
  CAS-BOT-BC312707  Carex subbracteata var. subbracteata Peter Rubtzoff 1974-6-2 7506 Sonoma Upper Green Valley Marsh. Comment
  LA37651  Carpobrotus edulis Kathleen Baron; 1972-4-15 5 Sonoma Portugese Beach, 1 mi. S of Sonoma Coast State Beach, along Highway 1 Comment
  UCD164105  Castilleja Peter Rubtzoff; Nancy Harrison 1978-5-20 9189 Sonoma Cunningham Marsh area, north side of Blucher Creek Valley. Comment
  JEPS66221  Castilleja ambigua subsp. ambigua T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6897 Sonoma e of Graton; Laguna de Santa Rosa Comment
  JEPS66550  Castilleja ambigua subsp. ambigua Peter Rubtzoff 1971-8-9 6627 Sonoma Laguna Chileno Valley Comment
  JEPS9142  Castilleja ambigua subsp. ambigua Docia Patchett 1918-5-28 78 Sonoma near Black Point (3 mi n of Stewarts Point and 6 mi s of Mendocino County line) Comment
  UC1300924  Castilleja ambigua subsp. ambigua Helen K. Sharsmith 1962-5-25 5480 Sonoma from Freestone to Occidental (along the road) Comment
  UCR45081  Castilleja applegatei subsp. martini L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  UC726128  Castilleja densiflora subsp. densiflora A. A. Heller 1941-5-17 16136 Sonoma 2 mi n Windsor (on U.S. Hwy. 101) Comment
  SEINET12320784  Castilleja foliolosa W. Knight, Knight, I. 1981-1 3970 Sonoma 2.3 mi up Cavedale Rd from jct of CA 12 Comment
  UCD122479  Castilleja foliolosa Frederica Bowcutt 1996-5-24 1926 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. Brushy Peaks Trail about 1/2 mile of Gray Pine Trail. 670 Comment
  RSA523434  Castilleja franciscana L. R. Heckard 1964-6-12 1385 Sonoma South side of Russian River, just across bridge on state highway 1. Comment
  CAS-BOT-BC243848  Castilleja latifolia Peter Rubtzoff 1952-6-10 1242 Sonoma Resort at east base of Fitch Mtn., near Healdsburg Comment
  UC1179004  Castilleja rubicundula subsp. lithospermoides Francia Chisaki with R. Ornduff and H. G. Baker 1958-4-26 1132 Sonoma 2.6 mi n Healdsburg Comment
  CHSC63927  Castilleja subinclusa subsp. franciscana John Hale 1990-4-10 15 Sonoma 305 m. NW of Ocean Cove. 6 Comment
  CAS-BOT-BC168063  Castilleja uliginosa John Thomas Howell 1945-5-30 20895 Sonoma Pitkin Marsh Comment
  JEPS85724  Castilleja wightii L. R. Heckard 1968-7-23 2070 Sonoma n of Bodege Bay; Schoolhouse Beach Comment
  UCSB5988  Castilleja wightii Keator, Glenn 1958-6-17 Sonoma Near the northern end of Tomales Bay Comment
  CAS-BOT-BC39436  Caulanthus lasiophyllus John Thomas Howell 1930-6-8 5283 Sonoma 8.5 miles north of the Bodega Bay. Overlooking the ocean. Comment
  CAS-BOT-BC366948  Caulanthus lasiophyllus Greg de Nevers 1997-4-16 10945 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  CAS-BOT-BC39435  Caulanthus lasiophyllus C. F. Baker 1903-4-20 2629 Sonoma Mount Helena. Comment
  CAS-BOT-BC47807  Ceanothus Mary P. Wells 1985-10-4 682 , 683, 684 Sonoma Deer Trail near Halcyon. The Sea Ranch Comment
  UC1614461  Ceanothus Charles M. Belshaw 1936-3-8 1583 Sonoma 3/4 mi. n. Annadel (n.w. of Kenwood); Inner North Coast Range Comment
  CAS-BOT-BC48510  Ceanothus confusus Ira L. Wiggins 1949-4-30 12083 Sonoma about 1.5 miles from summit of Mount St. Helena 1066 Comment
  CAS-BOT-BC83812  Ceanothus confusus D. O. Burge; Steven Kembel 2008-5-29 1003 c Sonoma Mayacmas Mountains, western slope of Mount Hood 560 Comment
  UC80038  Ceanothus confusus Katharine Brandegee 1889-4 74 Sonoma Mt. St. Helena Comment
  UCD111750  Ceanothus cuneatus G. F. Hrusa; R. Gross 1996-3-8 12653 Sonoma immediately NW of Chalk Hill. Foote Ranch at corner of Ida Clayton Road and Highway 128. 450 Comment
  UCD162813  Ceanothus cuneatus D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2015-3-8 1685 Sonoma Hooker Creek watershed. 590 Comment
  RSA339399  Ceanothus divergens subsp. confusus Roger Raiche 1985-4-6 50178 Sonoma Dry Creek area near Healdsburg, ridge W of Dry Creek Valley, unamed road N of Dorman Canyon on ridge. 244 Comment
  SEINET12210606  Ceanothus foliosus W. Knight, Knight, I. 1981-1 3978 Sonoma 5.8 mi up Cavedale Road from jct of state rt.12 Comment
  SEINET12210993  Ceanothus foliosus F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -102 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  JEPS128180  Ceanothus foliosus var. foliosus Roger Raiche 2001-5-17 021 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UCD112147  Ceanothus foliosus var. foliosus Collector unknown Date unknown s.n. Sonoma southwestern part of county. Comment
  UCD112132  Ceanothus foliosus var. vineatus Ray Prag 1970-6-9 s.n. Sonoma Vine Hill School Road, 3/4 mile east of Vine Hill Road. Comment
  CAS-BOT-BC49994  Ceanothus gloriosus John Thomas Howell 1937-4-11 12899 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50007  Ceanothus gloriosus John Thomas Howell 1935-5-5 12620 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50015  Ceanothus gloriosus John Thomas Howell 1937-4-11 12903 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50016  Ceanothus gloriosus John Thomas Howell 1937-4-11 12901 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
  JEPS19405  Ceanothus gloriosus var. exaltatus G. Thomas Robbins 1940-3-22 300 Sonoma about 8.5 mi W of Santa Rosa (along Guernville Road) 45 Comment
  HSC101102  Ceanothus gloriosus var. exaltatus Peter Warner 2011-8-12 231 Sonoma Jenner Headlands, mid-upper Jenner Gulch watershed, ridgetop, about 1.6 km N42 deg. E fr. cottage on Willig Extension 322 Comment
  CAS-BOT-BC50954  Ceanothus integerrimus James McMurphy 1909-5-29 s.n. Sonoma Grade between Black Mountain and Geyser Mountain Comment
  UC70423  Ceanothus integerrimus Milo S. Baker 1898-6-11 653 Sonoma Little Suphur Creek Comment
  RSA1120  Ceanothus integerrimus var. californicus B. D. Stark, H. E. McMinn 1929-7-22 1380 Sonoma Sonoma-Mendocino County line. 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-BC51113  Ceanothus jepsonii Catherine Best 1986-4-1 1170 Sonoma on Stoetz Lane about 2 mi. Northeaset of Occidental Comment
  UCD112063  Ceanothus jepsonii Roger Raiche 1985-4-6 RR 50182 Sonoma Dry Cr area nr Healdsburg, ridge w of Dry Cr Vly, unnamed rd n of Dorman Cyn on ridge. 243 Comment
  UCD168055  Ceanothus jepsonii James Neilson 1978-6-7 3965 Sonoma Mayacmas Mountains, 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
  SEINET13945966 Image available Ceanothus jepsonii Lewis S. Rose 1955-1 55030 Sonoma 2 mi NE of Occidental, alt 700 ft 213 Comment
  CAS-BOT-BC51893  Ceanothus parryi J. W. Congdon 1892-5-30 s.n. Sonoma Cazadero Comment
  UC750534  Ceanothus parryi Lewis S. Rose 1947-5-9 47134 Sonoma Occidental 152 Comment
  UCD112879  Ceanothus parryi Roger Raiche 1985-4-6 RR 50183 Sonoma West of Healdsburg, Dry Creek area, ridge west of Dry Creek Valley and north of Dorman Canyon (Crane Creek). 243 Comment
  SDSU10296  Ceanothus parvifolius D. F. Howe 1972-4-28 4811 Sonoma Trinity Road, Mt. Hood Range. 396 Comment
  JEPS97530  Ceanothus sonomensis R. D. Stone 1985-3-8 651 Sonoma along unpaved road S of Trinity Road and W of cul-de-sac on Manzanita Lane Mt. Veeder (approx 2.5 airmiles WNW of) Comment
  UC1010755  Ceanothus sonomensis Peter H. Raven 1954-2-27 6428 Sonoma Hoods Peak Range, mountain side on N side of Hooker Creek. 609 Comment
  CAS-BOT-BC53048  Ceanothus sonomensis Michener; Bioletti 1892-5-1 s.n. Sonoma Hoods Peak Comment
  RSA175239  Ceanothus sonomensis Robert F. Thorne, Percy C. Everett 1963-6-8 32247 Sonoma Canedale road, 2 miles E of Glan Ellen, Hood's Peak Range betw Napa and Sonoma Valleys Comment
  UCD112733  Ceanothus thyrsiflorus var. griseus Mary M. Hektner 1976-5-10 251 Sonoma Along old fence on California Highway 1, Unit 35-A Owners' Map, Sea Ranch. Comment
  CAS-BOT-BC52393  Ceanothus velutinus L. R. Abrams 1920-7-4 7638 Sonoma Seaview Comment
  RSA606274  Ceanothus velutinus Jon E. Keeley 1993-9-11 24801 Sonoma Chaparral on S side of N Peak, Mt. St. Helena. 1050 Comment
  SEINET11844187  Centaurea calcitrapa W. Knight, Wagnon, K. 1987-1 6486 Sonoma Willow Brook between Corona Road & Old Redwood Hwy 6 Comment
  CAS-BOT-BC277162  Centaurea melitensis Mary P. Wells 1984-5-24 292 Sonoma Annadel State Park, Santa Rosa Comment
  JEPS20839  Centaurium trichanthum Harry K. Roberts 1958-7-8 Sonoma 0.3 mi w starting at the junction of the Sebastopol and Occidental rd (toward Sebastopol, on the lower half of the borrow pit on the s side of the Sebastopol-Santa Rosa highway) Comment
  UC523518  Centromadia fitchii David D. Keck 1933-11-10 2726 Sonoma 1 mi e Shellville 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-BC288808  Centromadia fitchii David D. Keck 1933-11-10 2726 Sonoma 1 mile E of Shellville Comment
  CAS-BOT-BC249316  Cerastium Peter Rubtzoff 1967-8-22 5858 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC251267  Cerastium Peter Rubtzoff 1964-5-20 5315 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC384869  Cerastium Peter Rubtzoff 1983-8-28 9677 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  RSA800601  Cerastium Peter Rubtzoff 1964-5-20 5315 Sonoma Brooks Gulch Marsh. Comment
  POM121523  Ceratophyllum demersum Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  SD134007  Ceratophyllum demersum Peter Rubtzoff 1962-10-23 5123 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC400227  Ceratophyllum demersum Peter Rubtzoff 1955-8-27 2103 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC135423  Cercocarpus betuloides var. betuloides John Thomas Howell 1933-4-2 10938 Sonoma Sonoma Creek Canyon Comment
  UC1278119  Chamaemelum fuscatum B. Crampton 1955-3-14 2319 Sonoma Italian-Swiss Colony Winery, Asti Comment
  UC42452  Cheilanthes covillei F. T. Bioletti 1893-3-12 Sonoma Sonoma Comment
  UCD137339  Cheilanthes intertexta Frederica Bowcutt 1994-6-24 1897 b Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/2 way from Bald Mountain Trail to Headwaters Trail. 566 Comment
  CAS-BOT-BC173553  Chenopodium Peter Rubtzoff 1969-11-2 6209 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA786607  Chenopodium Peter Rubtzoff 1972-7-22 6831 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC499252  Chlorogalum pomeridianum Peter Rubtzoff 1951-8-18 617 Sonoma Pitkin Marsh, near Forestville, uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC499262  Chlorogalum pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian River Comment
  RSA107053  Chorizanthe cuspidata var. villosa L. S. Rose 1956-7-16 s.n. Sonoma Bodega Point. 9 Comment
  UCD150645  Chorizanthe cuspidata var. villosa Lisa McNair 1974-5-11 80 Sonoma Bodega Bay, just outside the University of California Bodega Marine Laboratory. 6 Comment
  CAS-BOT-BC252850  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1925-5-9 11750 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC252852  Chorizanthe polygonoides var. polygonoides Milo S. Baker No date on label. s.n. Sonoma Mt. St. Helena, 1/2 mi. SE of Inn Comment
  UCD110110  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  UCD84288  Cicendia quadrangularis Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UC1119746  Cichorium intybus H. S. Yates 1935-10-3 5345 Sonoma Santa Rosa Santa Rosa Quadrangle Comment
  CAS-BOT-BC290556  Cirsium Peter Rubtzoff 1960-6-11 4499 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC284427  Cirsium brevistylum John Thomas Howell 1930-6-8 5245 Sonoma 2 miles east of Bodega Comment
  CAS-BOT-BC279997  Cirsium douglasii var. douglasii Alice Eastwood; John Thomas Howell 1937-5-31 4497 Sonoma 6 1/2 miles south of Gualala River, Sonoma coast Comment
  CAS-BOT-BC280543  Cirsium quercetorum Mrs. H. C. Cantelow 1935-4-28 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC285755  Cirsium remotifolium Alice Eastwood; John Thomas Howell 1939-6-11 7414 Sonoma Near Triniti P. O., Hood Mt. Range Comment
  CAS-BOT-BC285751  Cirsium remotifolium Alice Eastwood; John Thomas Howell 1938-7-6 6088 Sonoma Alder Glen Springs Comment
  RSA73992  Cirsium remotifolium var. odontolepis M. S. Baker 1931-5-22 5209 Sonoma Bennett Valley Road, south of Weavers. Comment
  UCD158719  Cirsium vulgare James A. Neilson Jr. 1974-7-31 3025 Sonoma Mayacmas Mountains. Roadside, near Little Geysers. 822 Comment
  UCD165170  Clarkia Peter Rubtzoff 1974-5-26 7498 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  SBBG21142  Clarkia amoena V. Haraden 1940-7-13 10 Sonoma ca. 10 mi E of Bodega Bay 304 Comment
  SDSU8655  Clarkia amoena D. F. Howe 1965-8-3 4098 Sonoma 2.4 miles east of Bodega Bay on #1. Comment
  UC112986  Clarkia amoena subsp. amoena Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  UC1072012  Clarkia amoena subsp. huntiana H. and M. Lewis 1947-6-15 435 Sonoma 5.7 mi s Fort Ross Historical Monument (Highway 1) Comment
  UCR121480  Clarkia amoena subsp. huntiana George K. Helmkamp, E. A. Helmkamp 2000-6-18 5700 Sonoma Outer North Coast Ranges, along Calif. Hwy 128, 0.5 mi south of Mendocino Co. line 381 Comment
  POM271819  Clarkia amoena subsp. huntiana Lyman Benson 1928-6-25 352 Sonoma Mendocino - Somona county line, Cloverdale - Hopland; Middle North Coast Mtn Range, Russian River. Ridge at county line, Redwood Highway 457 Comment
  CAS-BOT-BC172206  Clarkia concinna Rimo Bacigalupi 1926-5-2 1397 Sonoma Cazadero Comment
  CAS-BOT-BC172209  Clarkia concinna Peter Rubtzoff 1952-6-9 1184 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  UCSB4289  Clarkia concinna Haller, John 1960-5-28 Sonoma 2.5 miles northwest of US 101; 3.5 miles northwest of Cloverdale; on California 128 152 Comment
  UC1299414  Clarkia concinna subsp. concinna Freed W. Hoffman 1947-5-18 539 Sonoma Dutch Bill Creek North Coast Ranges Comment
  POM253277  Clarkia concinna subsp. concinna A. A. Heller 1938-5-14 15087 Sonoma Just east of Bodega Bay. Comment
  JEPS25145  Clarkia gracilis subsp. sonomensis G. Thomas Robbins 1959-5-16 4015 Sonoma Spring Mt. Road Mayacamas Mt. (between Calistoga Road and Sonoma-Napa County line) 487 Comment
  UC1778626  Clarkia gracilis subsp. sonomensis G. F. Hrusa 1998-6-14 14592 Sonoma Knights Valley Region; Serpentine slopes on side of Ida Clayton Rd., ~1.5 mi. E of Hwy. 128, NW shoulder of Mt. St. Helena 450 Comment
  CAS-BOT-BC163133  Clarkia gracilis subsp. sonomensis Doris K. Kildale 1929-7-14 8459 Sonoma Trail up Klamath River to Blue Creek 152 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
  RSA495968  Clarkia gracilis subsp. sonomensis L. D. Gottlieb 1987-5-29 8722 Sonoma South of Healdsburg, on Eastside Road, 0.7 mile north of Windsor River Road Comment
  SEINET12194279  Clarkia purpurea F. H. Utech 1986-1 86 -099 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  CDA5445  Claytonia exigua D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .287 Sonoma Cavedale Rd. Comment
  UCD100618  Claytonia exigua Brian Parry 1993-4-17 46 Sonoma Adobe Canyon N of Sugarloaf Ridge. 426 Comment
  CAS-BOT-BC439397  Claytonia gypsophiloides G. DeNevers 1981-4-25 856 Sonoma Pepperwood Ranch. Mark West Creek and Leslie Creek confluence Comment
  SD130424  Claytonia gypsophiloides F. Alameda, G. DeNevers 1981-3-30 4876 Sonoma Pepperwood Ranch: along road to the Garrison Cabin at the SW sector of the ranch Comment
  RSA614440  Claytonia gypsophiloides K. L. Chambers 1978-4-29 4466 -A Sonoma Hwy. 128, the Cloversale to Ft. Bragg road, 3.8 mi. W of its junction with Hwy. 101 at Cloversale. Crumbling roadside banks of serpentine soil. Comment
  CAS-BOT-BC439635  Claytonia parviflora subsp. parviflora Peter Rubtzoff 1953-5-17 1390 Sonoma South of Guerneville (Neeley Hill area). Comment
  HSC17700  Claytonia perfoliata F. Demostene 1966-4-2 11 Sonoma 2 mi. E of Healdsburg Comment
  CAS-BOT-BC443872  Claytonia sibirica Mark Okada 1975-5-25 s.n. Sonoma Springs Rd. Comment
  CAS-BOT-BC91528  Clematis lasiantha Milo S. Baker 1924-4-27 105 -24 Sonoma Road to Cooper's Grove. Comment
  SEINET12092983  Clematis lasiantha I. Knight, Knight, W.; Edwards, S. Dr 1986-1 5346 Sonoma Along trail to summit of Geyser Peak, access from Healdsburg-Geysers Rd 853 Comment
  CAS-BOT-BC92755  Clematis ligusticifolia L. R. Abrams 1916-7-4 5796 Sonoma Road between Petrified Forest and Mark West. Comment
  UC9087  Clematis ligusticifolia F. T. Bioletti 1892-7-2 Sonoma Mark West Creek Comment
  JEPS3574  Collinsia greenei Helen K. Sharsmith 1952-6-18 4130 Sonoma about 0.8 mi w junction of Socrates Mine Rd. with Pine Flat-Middletown road; Mayacamas Mountains 914 Comment
  RSA92819  Collinsia heterophylla Peter H. Raven 1950-4-6 1593 Sonoma Vernal Flats, Santa Rosa to Rincon Ridge. 183 Comment
  SEINET12327818  Collinsia heterophylla F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -096 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  UC76208  Collinsia sparsiflora var. arvensis Milo S. Baker 1898-4-2 Sonoma near Santa Rosa Comment
  UC796637  Collinsia sparsiflora var. arvensis Ira L. Wiggins 1949-4-30 12065 Sonoma four mi w Calistoga (just within county line) Comment
  POM14841  Collinsia sparsiflora var. arvensis A. A. Heller, H. E. Brown 1902-3-21 5117 Sonoma Hills southeast of Santa Rosa Comment
  RSA52649  Collinsia sparsiflora var. arvensis I. L. Wiggins 1949-4-30 12065 Sonoma 4 miles west of Calistoga, just within the county line. Comment
  UC353937  Collinsia sparsiflora var. collina unknown 1928-4-20 2976 b Sonoma Rincon Valley Comment
  UC76211  Collinsia sparsiflora var. sparsiflora Milo S. Baker 1898-4-6 Sonoma Between Gualala R. and Skaggs Springs Gualala River Comment
  JEPS34516  Collinsia tinctoria Freed W. Hoffman 1948-8-2 2356 Sonoma on way to Rincon Valley St. Helena (near summit of Spring Mtn Rd); North Coast Ranges 609 Comment
  UCSB31777  Collinsia tinctoria Townsend, J. 1977-5-30 Sonoma East side Russian river; about 2 miles south of Guerneville 335 Comment
  UC1299534  Collomia heterophylla Freed W. Hoffman 1947-6-4 596 Sonoma Mill Creek Road to East Austin Creek; North Coast Ranges Comment
  UC72070  Collomia heterophylla Milo S. Baker 1898-4-3 16 Sonoma Guerneville to Cazadero Comment
  SEINET12332732  Collomia rawsoniana W. Knight, Knight, I.; Knight, T. 1985-1 5144 Sonoma Petaluma Comment
  UCD127305  Conium maculatum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-5 122 Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA94354  Convolvulus arvensis Peter Rubtzoff 1951-7-21 489 Sonoma Southern half of Lower Marsh. Comment
  CAS-BOT-BC288914  Conyza canadensis Peter Rubtzoff 1951-9-2 724 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  CDA41356  Cordylanthus pilosus G. D. Barbe 1989-8-4 4356 Sonoma East of Dan Galvin Park, east of Matanzas Creek off Bennett Valley Road, south of Annadel State Park, South Santa Rosa. 0 Comment
  JEPS33015  Cordylanthus pringlei Freed W. Hoffman 1947-8-10 1433 Sonoma Red Slide North Coast Ranges, East Austin Creek (headwaters of creek) Comment
  CAS-BOT-BC238231  Cordylanthus tenuis subsp. capillaris Catherine Best 1985-8-24 1140 Sonoma On Stoetz Lane about 2 mi northeast of Occidental Comment
  JEPS20297  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1955-7-11 55110 Sonoma 2 mi e Occidental 243 Comment
  JEPS33006  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1946-8-14 784 Sonoma e Camp Meeker Comment
  JEPS62600  Cordylanthus tenuis subsp. capillaris T. I. Chuang with Fei-Mei Chuang 1970-7-25 6834 Sonoma 2.7 mi ne Occidental (Stoetz Road, w of Harrison grade) Comment
  JEPS79414  Cordylanthus tenuis subsp. capillaris Edward Lee with W. A. Setchell 1936-6-7 2188 Sonoma south ridge fire trail, Bohemian Grove Comment
  UCR78363  Cordylanthus tenuis subsp. capillaris T. I. Chuang, F. M. Chuang 1970-8-25 6845 Sonoma 2.7 mi east of Occidental 138 Comment
  CAS-BOT-BC238236  Cordylanthus tenuis subsp. capillaris Roxana S. Ferris; Laura Lorraine 1961-6-15 13559 Sonoma 1.3 mi. from junction with Green Valley Road on Harrison Grade Comment
  CAS-BOT-BC210430  Cornus sericea G. DeNevers 1981-4-25 869 Sonoma Pepperwood Ranch. Mark West Creek and Leslie Creek Comment
  JEPS58665  Corylus californica W. L. Jepson 1923-7-20 10025 Sonoma Sonoma Canyon Comment
  CAS-BOT-BC180191  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1964-2-16 527 Sonoma Mill Creek Road Comment
  CAS-BOT-BC290295  Cotula coronopifolia M. E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC427644  Crassula aquatica Greg de Nevers 1992-4-21 10113 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  CAS-BOT-BC427655  Crassula aquatica Peter Rubtzoff 1972-4-23 6729 Sonoma 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC143507  Crataegus gaylussacia Peter Rubtzoff 1959-5-30 4062 Sonoma Freestone Marsh Comment
  UC1299210  Crocanthemum scoparium var. vulgare Freed W. Hoffman 1947-7-30 1412 Sonoma near Guerneville; North Coast Ranges, Mt. Jackson Comment
  HSC7976  Croton setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 mi. NE of Penngrove 427 Comment
  CAS-BOT-BC190180  Crypsis vaginiflora Peter Rubtzoff 1958-8-16 3869 Sonoma Laguna de Santa Rosa north of Sebastapol (near Occidental Road). Comment
  CAS-BOT-BC376222  Cryptantha Greg de Nevers 1993-3-28 10336 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Shriver Canyon 304 Comment
  UC24715  Cryptantha intermedia H. N. Bolander Apr 1864 3817 Sonoma Mark West Creek Comment
  RSA17622  Cupressus macnabiana C. B. Wolf, E. R. Johnson 1934-10-18 6198 Sonoma Head of Hooker Canyon, 4.7 miles east of Sonoma - Kenwood Road. 549 Comment
  HSC99996  Cupressus pygmaea J. P. Smith, , J. O. Sawyer, & R. J. Cole 2009-10-10 12692 Sonoma Salt Point State Park Comment
  CDA11978  Cupressus sargentii G. F. Hrusa, T. D. Wilfred 1995-12-3 12483 Sonoma North Coast Biodiversity Arena; Large grove immediately NW of summit of Chalk Mtn. Foote Ranch, at NW base of Mt. St. Helena. On serpentine, trees appearing at the sharp discontinuity of substrata. 5-10 meters tall. Comment
  RSA144399  Cupressus sargentii Roxana S. Ferris, Laura Lorraine 1961-6-15 13565 Sonoma Harrison Grade, 1.3 mile from junction with Green Valley Road Comment
  CAS-BOT-BC182776  Cuscuta pentagona Peter Rubtzoff 1975-8-15 8321 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC190350  Cynodon dactylon Peter Rubtzoff 1956-9-14 2859 Sonoma Vacation Beach, near Guerneville. On Russian River bottom. Comment
  POM115532  Cynodon dactylon Marcus E. Jones 1982-7-18 s.n. Sonoma Duncan's Mills ., [County not indicated on specimen label]. Comment
  HSC3637  Cynoglossum grande R. F. Good 1962-4-19 29 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes 46 Comment
  SBBG28837  Cynoglossum grande I. L. Wiggins 1932-3-12 5760 Sonoma between Knight's Valley and Franz Valley Comment
  CAS-BOT-BC190473  Cynosurus echinatus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53954 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 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-BC350944  Cyperus Peter Rubtzoff 1970-9-2 6352 Sonoma Russian River bottom at Mirabel Park. Comment
  CAS-BOT-BC114339  Cyperus esculentus Peter Rubtzoff 1965-9-11 5650 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  UC728611  Cyperus niger Milo S. Baker 1945-6-18 11118 Sonoma lower Meadow Pitkin Marsh Comment
  CAS-BOT-BC113904  Cyperus niger var. capitatus Peter Rubtzoff 1951-6-10 193 Sonoma Plants of the Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC113912  Cyperus niger var. capitatus Peter Rubtzoff 1961-8-25 4723 Sonoma Forest Hills, E of Guerneville. Open, wet margin of Russian River. Comment
  UC4442  Cypripedium montanum Brewer 1866-4 4829 Sonoma Cloverdale Comment
  RSA234557  Cypselea humifusa Peter Rubtzoff 1958-9-20 3991 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mile north of Guerneville Rd.) Comment
  RSA177983  Cytisus scoparius Robert F. Thorne 1965-4-19 34310 Sonoma Guerneville Hwy, 1 mile E of Laguna Road; 4 miles W of Santa Rosa. 46 Comment
  UCD105683  Cytisus scoparius Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 62 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. 259 Comment
  CAS-BOT-BC189801  Dactylis glomerata Peter Rubtzoff 1962-6-19 4926 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC189806  Dactylis glomerata John H. Thomas 1976-6-15 18311 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UCD60293  Dactylis glomerata Collector unknown 1941-5-1 Sonoma Santa Rosa, McDonald Ave. Comment
  RSA0022473  Dactylis glomerata Peter Rubtzoff 1968-7-13 5921 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC192270  Danthonia californica David D. Keck 1944-7-11 5513 Sonoma 1 mi. S. of bridge across mouth of Russian River 22 Comment
  UC1131385  Danthonia californica H. S. Yates 1937-5-30 6540 Sonoma 1 1/2 mi sse Graton; Sebastopol Quadrangle Comment
  UCD21145  Danthonia californica Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 320 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  UCD60309  Danthonia californica P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified Forest Road. Comment
  CAS-BOT-BC154130  Datura Peter Rubtzoff 1958-8-17 3896 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  UCR279632  Datura stramonium Peter Rubtzoff 1968-9-21 5986 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  SEINET12327555  Datura stramonium W. Knight, Knight, I.; Edwards, S. W. 1984-1 5054 Sonoma at edge of Willow Creek between Corona Rd & Denman Flat Comment
  UCD126523  Datura stramonium John Thomas Howell 1945-7-18 21313 Sonoma College Ave., west of Santa Rosa. Comment
  POM133425  Daucus pusillus A. A. Heller, H. E. Brown 1902-5-27 5610 Sonoma Bodega Bay Comment
  UCR279606  Deinandra corymbosa Peter Rubtzoff 1955-9-9 2121 Sonoma Bodega Head Marsh 2 Comment
  SD134023  Delairea odorata Greg de Nevers 1986-12-17 8117 Sonoma Pepperwood Ranch Natural [preserve, 3500 Franz Valley Road, Santa Rosa. 99 Comment
  CAS-BOT-BC9604  Delphinium bakeri Milo S. Baker 1946-4-25 11337 Sonoma Coleman Valley, west of Occidental Comment
  CAS-BOT-BC9024  Delphinium decorum Gertrude Raven Hardman 1925-3-10 s.n. Sonoma Tomales Comment
  UC914291  Delphinium decorum subsp. decorum Verne Grant and Alva Grant 1947-5-4 7954 Sonoma 1 mi from Bodega Bay (on road to Bodega) Comment
  CAS-BOT-BC10342  Delphinium hesperium Joseph Whipple Congdon 1880-6-1 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC10007  Delphinium hesperium Alice Eastwood 1916-6-5 4599 Sonoma Petrified Forest on Calistoga Road Comment
  SEINET7075473  Delphinium nudicaule A. G. Vestal 1955-5-7 s.n. Sonoma 4 air-miles north of Occidental and just east of the divide above Oregon Canyon. 38? deg. 27' 56" North Latitude, -122? deg. 56' 33" West Longitude. (NAD 27), UTM Zone 10, 505013mE, 4257264mN. [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC8003  Delphinium nudicaule Milo S. Baker 1932-5-3 5949 Sonoma Just south of Stewart's Point Comment
  HSC49610  Delphinium nudicaule R. York 1979-4-8 198 Sonoma Along Hwy. 128, 1.0 mi. N of Calistoga 305 Comment
  POM151019  Delphinium nudicaule Michener, Bioletti 1893-4-25 s.n. Sonoma [Unspecified] Comment
  RSA59832  Delphinium nudicaule J. Ewan 1935-5-12 9234 Sonoma 1/2 mile interiorly from this station, mouth of Salmon Creek, NE shore of Bodega Bay, 1/4 mile from road on N side Comment
  JEPS86296  Delphinium patens Jack and Betty Guggolz 1989-5-5 1009 Sonoma Comment
  CAS-BOT-BC121722  Delphinium patens subsp. patens D. E. Breedlove 1980-5-3 44653 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC467783  Delphinium variegatum subsp. variegatum H. P. Chandler 1907-4-20 7518 Sonoma Eldridge Comment
  UC1126379  Dendromecon rigida J. B. Spring 1932-7-7 96 Sonoma 2/5 mi sw Veeder Mountain; Napa Quadrangle 609 Comment
  UCD23367  Dentaria californica Wesley Ebert 1977-4-9 15 Sonoma White blossoms. In rich moist humus. Heavily shaded by Umbellularia californica and Quercus agrifolia. On east facing slope. 6000 Soldiers Lane, Penngrove. On west side of Sonoma Mtn. Comment
  CAS-BOT-BC192611  Deschampsia cespitosa subsp. holciformis David D. Keck 1944-7-12 5514 Sonoma 1 mile S. of bridge across mouth of Russian River Comment
  CAS-BOT-BC192616  Deschampsia cespitosa subsp. holciformis David L. Morgan 1961-5-7 s.n. Sonoma North of Jenner Comment
  UCD63753  Deschampsia cespitosa subsp. holciformis P. B. Kennedy 1914-10-1 Sonoma Del Mar Ranch. Comment
  UCD63791  Deschampsia cespitosa subsp. holciformis P. B. Kennedy 1915-6-1 Sonoma Del Mar. Comment
  CAS-BOT-BC384611  Deschampsia danthonioides Greg de Nevers 1998-5-5 11230 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  RSA784395  Deschampsia danthonioides Peter Rubtzoff 1969-5-24 6061 Sonoma 7.5 mi NE of Penngrove on Lichau Road. 427 Comment
  UCD84280  Deschampsia danthonioides Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC201951  Deschampsia elongata Greg de Nevers 1992-6-26 10182 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CAS-BOT-BC201956  Deschampsia elongata Roxana S. Ferris; Laura Lorraine 1961-6-14 13544 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  CAS-BOT-BC201959  Deschampsia elongata A. A. Heller 1902-6-7 5653 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC201961  Deschampsia elongata Lewis S. Rose 1962-6-1 62064 Sonoma 1 mi. NW of Freestone 76 Comment
  CAS-BOT-BC201966  Deschampsia elongata Peter Rubtzoff 1958-7-19 3754 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC201969  Deschampsia elongata Peter Rubtzoff 1962-5-25 4836 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road Comment
  OBI22307  Deschampsia elongata Lewis S. Rose 1962-6-1 62064 Sonoma 1 mi NW of Freestone 76 Comment
  UC72730  Dicentra chrysantha Milo S. Baker 1898-6-11 669 Sonoma Little Sulphur Creek Comment
  RSA264775  Dicentra formosa subsp. formosa Peter Rubtzoff 1975-4-27 7950 Sonoma Forest Hills, 5.5 miles east of Guerneville. At 9981 Old River Road Comment
  CAS-BOT-BC208932  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell; J. W. Stacey 1936-7-26 12680 Sonoma Pitkin Marsh, 5 miles N of Sebastopol Comment
  JEPS85586  Dichanthelium acuminatum subsp. thermale Rick York, Sally de Becker, Laurie Wickenheiser, and Joe O'Hagan 1990-7-24 90 -1 Sonoma s Little Geysers Creek (The Little Geysers); Whispering Pines Quad., Geysers Region, The Little Geysers Comment
  SEINET4572213  Dichanthelium acuminatum subsp. thermale B. Crampton 1964-8-18 7139 c Sonoma North Coast Range; The Geysers, 12 mi (in direct line) east of Cloverdale, c. 0.5 mi east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise Thermal Power co. no. 10 494 Comment
  UCR131633  Dichanthelium acuminatum subsp. thermale Beecher Crampton 1969-7-14 8493 A Sonoma Coast Range, The Geysers, 12 miles (direct line) east of Cloverdale, north slope of well above Geyser Creek 494 Comment
  SEINET10662587 Image available Dichanthelium acuminatum var. acuminatum Henry N. Bolander 1860-1 Bolander 3941 Sonoma Geysers. Comment
  UCD151080  Dichelostemma James A. Neilson Jr. 1973-6-3 2990 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
  UC1084355  Dichelostemma capitatum G. Thomas Robbins 1937-3-25 13 Sonoma 8-10 mi e Santa Rosa; Santa Rosa Creek Canyon Comment
  RSA177950  Dichelostemma capitatum subsp. capitatum Robert F. Thorne 1965-4-20 34327 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  CAS-BOT-BC176148  Digitaria Peter Rubtzoff 1971-8-31 6664 Sonoma Todd Road near Stony Point Road Comment
  CAS-BOT-BC152043  Diplacus aurantiacus Peter Rubtzoff 1952-6-11 1247 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  UC1134581  Disporum hookeri H. S. Yates 1934-4-21 3802 Sonoma near Bodega 91 Comment
  RSA367635  Disporum smithii Christopher Davidson 1977-6-20 6036 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  CAS-BOT-BC331484  Distichlis Peter Rubtzoff 1970-5-30 6234 Sonoma 5 miles north of Sears Point. Comment
  RSA0022415  Distichlis Peter Rubtzoff 1970-5-30 6234 Sonoma 5 mi. north of Sears Point. Comment
  RSA0022417  Distichlis Peter Rubtzoff 1971-8-23 6644 Sonoma Stony Point Road, just S of Hwy 116. Comment
  SEINET10662294  Distichlis spicata P. Rubtzoff 1955-8-20 Rubtzoff 2065 Sonoma Bodega Harbor Marsh. Comment
  UCD64360  Distichlis spicata Collector Unknown 1941-9-1 153 Sonoma Near mouth of Walker Creek by Tomales Bay. Comment
  UCD64362  Distichlis spicata Collector Unknown 1941-9-1 154 Sonoma Near mouth of Walker Cr. by Tomales Bay. Comment
  UCD78109  Dittrichia graveolens Robert E. Preston 1999-11-9 1252 Sonoma Windsor, on NW corner of jct Old Redwood Hwy and Arata Lane. T8N R9W N edge of Sec 11 39 Comment
  UC1093636  Dodecatheon hendersonii Francia Chisaki and Gene B. Newcomb 1958-3-31 1076 Sonoma on Trinity Road 1.2 mi w of junction with Cavedale Road; on Trinity Road w of junction with Cavedale Road Comment
  RSA66917  Dodecatheon hendersonii subsp. cruciatum E. K. Balls 1951-5-3 16406 Sonoma Maacama (Miyakama) Creek, 2mi. from turn-off to Geyserville, from Petrifird Forest, Hwy 28, 610 Comment
  CDA13124  Downingia concolor G. F. Hrusa, R. Gross 1996-6-3 13059 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  SD106151  Downingia concolor var. concolor W. L. Jepson 1921-6-3 9313 Sonoma Cotati Valley, at Wilfrid Station. Comment
  UC416606  Downingia concolor var. concolor Katharine Brandegee Sonoma Santa Rosa Comment
  CAS-BOT-BC154159  Downingia concolor var. concolor Peter Rubtzoff 1971-6-10 6529 Sonoma Sebastopol - Santa Rosa Hwy., near Wright Road. Comment
  CAS-BOT-BC154161  Downingia pusilla Peter Rubtzoff 1972-4-23 6728 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  JEPS77863  Downingia pusilla Robert M. Lloyd 1965-5-8 2527 Sonoma 3 mi n Highway 12 junction with Aqua Caliente Road (along Highway 12, meadow across from Lawrence Triangle End Garage) Comment
  UC1188755  Downingia pusilla John H. Weiler 1960-4-22 60100 Sonoma 1.7 mi n Sonoma State Home entrance (3 mi n of Agua Caliente, on the w side of State Highway 12) Comment
  UCD166073  Downingia pusilla Peter Rubtzoff; H. A. Froebe 1971-5-30 6494 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. 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-BC159441  Drymocallis glandulosa var. glandulosa Alice Eastwood 1915-6-5 4588 Sonoma Petrified Forest Comment
  CAS-BOT-BC159446  Drymocallis glandulosa var. glandulosa Peter Rubtzoff 1953-5-18 1410 Sonoma Near road from Edendale to Vacation Beach, near Guerneville Comment
  CAS-BOT-BC159449  Drymocallis glandulosa var. glandulosa A. A. Heller; H. E. Brown 1902-4-22 5344 Sonoma Between Santa Rosa and Agua Caliente Comment
  SEINET11620875  Dryopteris arguta F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -61 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  UCD136430  Dryopteris arguta Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1754 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trail approx. 200 yds. From just E of Bear Creek about 5 yds. N of confluence with Sonoma Creek. 198 Comment
  CAS-BOT-BC71014  Dryopteris arguta Volney Rattan 1877-6-25 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC71025  Dryopteris arguta G. DeNevers 1981-5-23 1307 Sonoma Devils Kitchen Hill Comment
  CAS-BOT-BC71026  Dryopteris arguta G. DeNevers 1981-4-25 854 Sonoma Mark West Creek and Leslie Creek confluence Comment
  POM188329  Dryopteris arguta Marcus E. Jones 1931-7-5 29172 Sonoma West of Cloverdale. Comment
  CAS-BOT-BC428178  Dudleya cymosa subsp. cymosa A. A. Heller 1940-5-10 15609 Sonoma Along Wheatfield Fork of the Guala [Gualala] River on the Stewart Point-Skagg's Springs road. Comment
  UC571159  Dudleya farinosa H. L. Mason 1928-7-10 4882 Sonoma Jenner Comment
  UC830945  Dudleya farinosa Alice Eastwood 1915-6-29 4890 Sonoma Bodega Point Comment
  SD131828  Dysphania pumilio Barbara Eritter 1988-11-5 8032 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, Point below Little Flat parking area W of bridge, steep bare banks left by receding water. 152 Comment
  CAS-BOT-BC210131  Echinochloa Peter Rubtzoff 1971-8-23 s.n. Sonoma Meacham Road, 0.35 miles south of Stony Point Road. Comment
  UCD164211  Echinochloa Peter Rubtzoff 1978-9-10 9264 Sonoma Russian River at Del Rio Beach, ca. 2.5 miles east of Healdsburg on South Fitch Mountain Road. Comment
  CAS-BOT-BC176200  Echinochloa crus-galli Peter Rubtzoff 1956-9-14 2861 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CDA20473  Echium plantagineum P. Lane 2004-4-8 PDR 1303247 Sonoma North Coast Ranges; Anna Street in Windsor. 0 Comment
  UC1535349  Ehrharta calycina Valerie Gizinski 1987-6-2 Sonoma Bodega Dune State Park Comment
  UCD164996  Eleocharis Peter Rubtzoff; Nancy Harrison 1974-9-7 7880 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  UCD165782  Eleocharis Peter Rubtzoff 1972-8-26 6858 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC112982  Eleocharis macrostachya Peter Rubtzoff 1951-7-14 471 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  UCD49742  Eleocharis palustris S. Galen Smith; Malcolm A. Nobs 1949-8-1 1113 Sonoma Bog 2 miles east of Stewart's Point on road to Geyserville, Sonoma County. Comment
  CAS-BOT-BC227149  Elymus elymoides K. Wagnon 1939-5-11 192 Sonoma At entrance of cemetery east of Santa Rosa on Bennet [Bennett] Valley road Comment
  UCD124006  Elymus elymoides subsp. californicus Frederica Bowcutt 1994-6-24 1878 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.Trailhead for Lower Bald Mountain trail off of Stern Trail. 377 Comment
  UCD61790  Elymus glaucus P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  CAS-BOT-BC203720  Elymus glaucus subsp. glaucus G. DeNevers 1981-5-12 1133 Sonoma Pepperwood Ranch. N arm of Garrison Canyon Comment
  CAS-BOT-BC203722  Elymus glaucus subsp. glaucus G. DeNevers 1981-5-9 1100 Sonoma Pepperwood Ranch. S of Redwood Canyon Comment
  CAS-BOT-BC235230  Elymus multisetus G. DeNevers 1981-7-1 1723 Sonoma Pepperwood Ranch. On the slope W of the Goat Pen in the Garrison Canyon Comment
  JEPS87224  Emmenanthe penduliflora Jack and Betty Guggolz 1992-5-17 1299 Sonoma On the up side of the Anderson Trail (The west side of the Black Mountain east of Geyserville). 585 Comment
  CAS-BOT-BC268055  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-9 1927 Sonoma Forestville Marsh. Comment
  RSA800030  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1955-8-20 2088 Sonoma Bodega Harbor Marsh. Comment
  UC1042501  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1951-8-4 585 Sonoma marsy opening s Upper Marsh (near Forestville); Pitkin Marsh Comment
  RSA0015637  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1962-8-22 5052 Sonoma Bodega Bay Marsh. Comment
  RSA181915  Epilobium foliosum Freed W. Hoffman 1947-4-13 1848 Sonoma North Coast Ranges: Gilliam Creek, near Guerneville Comment
  SD251253  Epilobium hallianum Peter Rubtzoff 1962-6-1 4855 Sonoma Freestone Marsh. Comment
  UC19963  Epilobium torreyi H. N. Bolander 1867-1 6535 Sonoma Cloverdale; ; Cloverdale, Sonoma Co. Comment
  UCD167358  Epipactis gigantea James Neilson 1982-6-12 4080 Sonoma Mayacmas Mountains. Near Castle Rock Springs Camp. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD167453  Epipactis gigantea James Neilson 1983-6-13 4100 Sonoma near headwaters of East Austin Creek. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC210087  Equisetum Peter Rubtzoff 1964-6-20 5361 Sonoma Laguna de Santa Rosa southeast of Sebastopol (near Cooper Road). Comment
  UC1026487  Equisetum arvense Peter Rubtzoff 1951-6-17 279 Sonoma near Forestville (n half of Lower Marsh); Pitkin Marsh Comment
  CAS-BOT-BC57043  Equisetum arvense Peter Rubtzoff 1951-6-30 300 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC57206  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. 457 Comment
  CAS-BOT-BC57641  Equisetum telmateia Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch Comment
  CAS-BOT-BC57655  Equisetum telmateia Dorothy Scherer 1996-3-16 006 Sonoma West of Hwy 1 and south side of Kolmer Gulch, Fort Ross State Historic Park 10 Comment
  UC750802  Equisetum telmateia subsp. braunii Charles B. Heiser Jr. 1946-4-14 1729 Sonoma 3 mi w Duncan Mills (banks of Russian River) Comment
  UCD167968  Equisetum telmateia subsp. braunii James A. Neilson Jr. 1981-3-8 3985 Sonoma Mayacamas Mountains, Wildhorse Ck. at road crossing. (Exact location unknown, coordinates estimated by label maker.) Comment
  RSA511283  Equisetum telmateia var. braunii F. Sibal 1965-5-29 338 Sonoma Hwy 1 between Anchor Bay and Gualala. 152 Comment
  CAS-BOT-BC328124  Eragrostis Peter Rubtzoff 1965-8-16 5601 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC284187  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1956-9-14 2864 Sonoma Vacation Beach near Guerneville, Russian River Comment
  RSA785230  Erechtites glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 mi SE of Guerneville. Comment
  CAS-BOT-BC164645  Erechtites minimus Peter Rubtzoff 1955-8-20 2056 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC291251  Erechtites minimus John Thomas Howell; Catherine Best 1981-4-2 53933 Sonoma Fairfield Osborn Preserve of The Nature Conservancy, Sonoma Mt. east of Cotati 457 Comment
  RSA518745  Eremocarpus setiger Barbara Ertter 1988-11-5 8033 Sonoma Lake Sonoma 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  CAS-BOT-BC293627  Erigeron biolettii H. M. Hall 1909-6-25 8518 Sonoma Guernewood Park Comment
  HSC2227  Erigeron canadensis Roxana S. Ferris 1937-8-18 9369 Sonoma Dunes near mouth of Salmon Creek on Bodega Bay Comment
  UCD131901  Erigeron foliosus var. hartwegii Ann F. Johnson 1979-7-2 s.n. Sonoma Bodega Dunes State Park. Comment
  CAS-BOT-BC295125  Erigeron glaucus Walter Knight; Irja Knight 1963-8-13 169 Sonoma Horseshoe Cove Comment
  POM40204  Erigeron glaucus Marcus E. Jones 1882-7-17 3622 Sonoma Duncan's Mills. Comment
  CAS-BOT-BC214551  Erigeron philadelphicus Peter Rubtzoff 1951-6-9 185 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  JEPS86806  Erigeron reductus var. angustatus Jack and Betty Guggolz 1991-6-29 1200 Sonoma approx. one mi NNW of the center of Camp Meeker Camp Meeker Comment
  CAS-BOT-BC300306  Erigeron supplex A. G. Vestal 1937-6-18 s.n. Sonoma 1.7 mi n. of Stewarts Point P. O. Comment
  CAS-BOT-BC224155  Eriodictyon californicum Irja Knight; Walter Knight 1964-11-15 784 Sonoma Hood's [Hood] Peak in meadow above Johnson Dam Comment
  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
  RSA0081676  Eriogonum cedrorum Roger Raiche 1984-6-23 40234 Sonoma The Cedars, 5 miles N of Cazadero on King Ridge Road, headwaters Big Austin Creek, above tributary creek referred to locally as Azalea Creek (NE fork before Layton Mine bldgs.). 549 Comment
  JEPS82261  Eriogonum compositum var. compositum Roger Raiche 1983-6-4 30373 Sonoma s side Sweetwater Springs Road 3.9 mi w its origin at West Side Highway ((above Porter Creek e of its intersection with John Gordon Creek)) Comment
  CAS-BOT-BC250014  Eriogonum fasciculatum var. foliolosum Walter Knight; Irja Knight 1985-1-13 5158 Sonoma Near high bridge over Sonoma Lake west of Healdsburg Comment
  CAS-BOT-BC259257  Eriogonum latifolium John Thomas Howell 1930-7-27 5414 Sonoma 4 miles north of Bodega Bay Comment
  CAS-BOT-BC259267  Eriogonum latifolium Mrs. H. P. Bracelin 1930-7-27 24 Sonoma Two miles north of Bodega Bay Comment
  POM258435  Eriogonum latifolium C. L. Hitchcock, J. S. Martin 1939-7-15 5444 Sonoma Cliffs below Bodega State Park Comment
  RSA197065  Eriogonum latifolium Noel Holmgren, James L. Reveal 1966-6-6 2648 Sonoma Just north of Ocean View. On bluff above shore line (form away from immediate coastal influence). Comment
  UCD100333  Eriogonum latifolium Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-22 53 Sonoma Unit 17 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC259475  Eriogonum luteolum F. G. Krauss 1893-10-8 s.n. Sonoma K. Ranch Comment
  CAS-BOT-BC259483  Eriogonum luteolum John Thomas Howell 1929-6-30 4320 Sonoma 4 miles from Petrified Forest on road to Knights Valley Comment
  UC85726  Eriogonum luteolum var. luteolum Alice Eastwood 1900-9-9 Sonoma Mt. St. Helena Comment
  UCR42305  Eriogonum luteolum var. luteolum L. F. LaPre 1985-6-5 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  UC77625  Eriogonum nudum var. auriculatum Dr. E. Palmer Sonoma Petaluma Comment
  CAS-BOT-BC261691  Eriogonum nudum var. nudum Greg de Nevers 1990-7-24 9680 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC261696  Eriogonum nudum var. nudum Peter Rubtzoff 1951-8-26 676 Sonoma South of Guerneville (Neeley Hill area) Comment
  CAS-BOT-BC261699  Eriogonum nudum var. nudum Lewis S. Rose 1933-9-3 33357 Sonoma 2 mi. w. of Petrified Forest Comment
  UCD100590  Eriogonum nudum var. nudum Frederica Bowcutt 1994-6-24 1898 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. Vista Trail about 1/2 way from bald Mountain Trail to Headwaters Trail. 566 Comment
  SEINET6165148 Image available Eriogonum polypodum Unknown 1983-7-18 s.n. Sonoma 3 mi SW of Occidental Comment
  UC1520694  Eriogonum ternatum R. Raiche 1985-8-10 50716 Sonoma The Cedars, N of Cazadero, headwaters of Big Austin Creek, near Laton Mine site. 371 Comment
Read comments Oct 15 2009
  CHSC107500  Eriogonum vimineum D. G. Kelch; Troy McGregor 2010-8-22 10 .356 Sonoma Nr Peak of Geyser Peak Rd. Comment
  CAS-BOT-BC262394  Eriogonum vimineum R. D. Stone 1983-6-13 533 Sonoma In headwaters of Squaw Cr. drainage, ca. 1.2 mi. WNW of Geyser Rock 975 Comment
  UC31703 Image available Eriophyllum confertiflorum var. confertiflorum Ivar Tidestrom 1905-6-3 Sonoma Comment
  UCSB22550  Eriophyllum lanatum Jensen, Karen 1965-4-15 Sonoma Along Highway 1, about 1 km. south of Bodega 13 Comment
  SBBG20895  Eriophyllum lanatum A. I. Richardson 1961-5-16 18 Sonoma Sweetwater Springs Rd, 1 mi beyond turn to Armstrong Redwoods State Park, N of Guerneville Comment
  CAS-BOT-BC301149  Eriophyllum lanatum var. achilleoides A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC301154  Eriophyllum lanatum var. achilleoides Greg de Nevers 1981-5-9 1111 Sonoma Pepperwood Ranch Comment
  UCD132207  Eriophyllum lanatum var. achilleoides Gerry North 1993-4 45 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
  CAS-BOT-BC301297  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan's Mills Comment
  UC750800  Eriophyllum lanatum var. arachnoideum Charles B. Heiser Jr. 1946-4-13 1721 Sonoma 2 mi e Jenner Comment
  UCD132185  Eriophyllum lanatum var. arachnoideum Charles B. Heiser Jr. 1946-4-13 1721 Sonoma 2 miles east of Jenner. Comment
  UC668048  Erodium botrys Joseph P. Tracy 1933-4-28 12075 Sonoma Knights Valley 182 Comment
  HSC8466  Erodium botrys D. Sutherland, A. Sylvester, R. Spellenberg 1343 Sonoma Road along Sulphur Creek, about 7 mi. W of the Big Geysers Comment
  UC66138  Erodium moschatum A. A. Heller 1902-3-26 5159 Sonoma Santa Rosa Comment
  UCD103274  Erodium moschatum Robert F. Thorne 1965-4-19 34264 Sonoma Cotati, Waters Ranch. 30 Comment
  CDA28603  Eryngium aristulatum G. F. Hrusa, A. Buckmann (DFG) 1996-10-5 13582 B Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Comment
  UC1365628  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1958-4-26 Sonoma e. Sebastopol (Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  UC1487265  Eryngium aristulatum var. aristulatum Yusuf Sheikh and Peter Rubtzoff 1971-7-20 501 Sonoma on Bennett Valley Rd. 4.5 mi. w. Glen Ellen Comment
  UC1008919  Eryngium aristulatum var. aristulatum Milo S. Baker with Rubtzoff 1954-8-12 13036 Sonoma Coney Lake, Coney Ranch, Kenwood Kenwood, Coney Ranch, Coney Lake 365 Comment
  JEPS17450  Eryngium armatum W. L. Jepson 1921-6-3 9309 Sonoma s. Sonoma Co., Cotati Valley, Wilfred Sta. 27 Comment
  POM179766  Eryngium armatum J. T. Howell 1930-6-8 5215 Sonoma 8 miles west of Petaluma on Bodega Road. Comment
  POM180619  Eryngium armatum J. T. Howell 1930-6-8 5295 Sonoma 4 miles north of Bodega Bay Comment
  CDA20458  Eryngium armatum P. Lane 2003-7-25 PDR P 092137 Sonoma Northwestern California; 1301 Ferguson Rd, Sebastopol. 0 Comment
  UC1931037  Eryngium constancei G. F. Hrusa 1996-10-5 13582 A Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m SW of Calistoga. 700 Comment
Read comments Jan 8 2013
  UC70419  Erythronium californicum Milo S. Baker 1898-4-6 13 Sonoma Gualala River Comment
  POM266133  Erythronium helenae Elmer I. Applegate 1934-3-25 s.n. Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 610 Comment
  CAS-BOT-BC403695  Eschscholzia californica J. Clausen 1935-5-24 1096 Sonoma 6.5 mi. S. of Jenner, on the Bodega road Comment
  CDA31281  Eschscholzia californica D. G. Kelch 2006-10-4 6 .497 Sonoma Entrance to Bouverie Reserve. 2 km N of Agua Caliente along Rte 12. Comment
  UCD158788  Eschscholzia californica James A. Neilson Jr. 1974-6-1 2882 Sonoma Mayacmas Mountains, Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  UCD95274  Eschscholzia californica Chris Bowen 1974-5-19 135 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  UCD95275  Eschscholzia californica Valerie Bullock 1993-5-8 245 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. Ponygate Trail at base of grassy hill. 365 Comment
  CAS-BOT-BC202771  Euonymus occidentalis Peter Rubtzoff 1960-6-25 4524 Sonoma Duncans Mills Marsh 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
  UC424848  Euphorbia crenulata Milo S. Baker 1927-4-12 3426 Sonoma w of Graton (near Wayne <????>g<?>on place) Comment
  CAS-BOT-BC368064  Euphorbia spathulata Greg de Nevers 1998-5-26 11262 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  CAS-BOT-BC239716  Fabaceae Peter Rubtzoff 1974-6-2 7521 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC239719  Fabaceae Peter Rubtzoff 1973-8-20 7242 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente Comment
  RSA785887  Festuca Peter Rubtzoff 1975-6-4 8034 Sonoma U.C. Blodgett Forest Research Station: County Road, 0.6 mi E of Main Station entrance. 1351 Comment
Read comments Nov 3 2014
  CDA18016  Festuca arundinacea S. Parnay 1999-5-25 PDR 008538 Sonoma Glen Ellen. 0 Comment
  JEPS121154  Festuca bromoides Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18600 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  CAS-BOT-BC278281  Festuca californica G. DeNevers 1982-4-18 1948 Sonoma Pepperwood Ranch. In W arm at Garrison Canyon Comment
  UC573938  Festuca californica H. S. Yates 1934-4-21 3831 Sonoma 2 mi n County Farm; Santa Rosa Quad. 243 Comment
  JEPS128389  Festuca microstachys Roger Raiche 2000-4-2 014 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC376431  Festuca occidentalis Greg de Nevers 1996-5-29 10823 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Devil's Kitchen. 400 Comment
  UCD66175  Festuca occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-14 13534 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway. Comment
  UC576342  Festuca roemeri H. S. Yates 1937-5-31 6558 Sonoma near Alpine School; Calistoga Quad. 304 Comment
  CAS-BOT-BC279076  Festuca rubra D. E. Breedlove 1980-6-28 44795 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC279079  Festuca rubra John Thomas Howell 1944-5-14 19485 Sonoma Between Petaluma and Chileno Valley Comment
  UC573932  Festuca rubra H. S. Yates 1937-5-31 6564 Sonoma 1 mi wsw Petrified Forest; Calistoga Quad. 274 Comment
  UCD66492  Festuca subuliflora P. B. Kennedy 1915-5-31 s.n. Sonoma Stewart's Point to Annapolis. Comment
  CAS-BOT-BC353384  Filago Peter Rubtzoff; Nancy Harrison 1974-7-13 7670 Sonoma Upper Green Valley Marsh. Comment
  RSA140665  Fragaria chiloensis M. S. Baker 1899-4-1 s.n. Sonoma Dillons Beach. Comment
  UCD112540  Frangula californica Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-29 92 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC53267  Frangula californica subsp. californica A. A. Heller 1902-7-8 5816 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC223852  Frankenia palmeri Peter Rubtzoff 1955-8-20 2076 Sonoma Bodega Harbor Marsh Comment
  CAS-BOT-BC223379  Fraxinus dipetala John H. Thomas 1976-6-18 18364 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville Comment
  CAS-BOT-BC218577  Fraxinus latifolia D. E. Breedlove 1980-6-27 44770 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC218582  Fraxinus latifolia H. E. McMinn 1922-6-1 s.n. Sonoma Petrified Forest Comment
  CAS-BOT-BC130178  Fritillaria affinis D. E. Breedlove 1983-4-11 58687 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC130185  Fritillaria affinis Elmer I. Applegate 1934-3-25 8861 Sonoma Pine Flat region, west slope of the [Mayacama] Mayacmas range Comment
  POM169385  Fritillaria affinis A. A. Heller, H. E. Brown 1902-3-25 5148 Sonoma Near Mark West Springs Comment
  JEPS61915  Fritillaria liliacea Eleanor Armstrong 1933-7-10 559 Sonoma Camp Meeker Comment
  CHSC40038  Fritillaria recurva Michener; Bioletti 1893-4-1 Sonoma Hood Peak. Comment
Read comments Jan 1 2012
  JEPS55676  Fritillaria recurva Wayne Roderick 1968-3-24 Sonoma Cavedale Road 274 Comment
  UC3634  Fritillaria recurva F. T. Bioletti 1892-1 Sonoma Hood's Peak Comment
  CAS-BOT-BC508137  Fritillaria recurva Michener; Bioletti 1893-3-1 s.n. Sonoma Mt. Hood Comment
  CAS-BOT-BC376341  Galium andrewsii Greg de Nevers 1998-6-10 11283 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  CDA30960  Galium bolanderi D. G. Kelch, Troy McGregor 2010-8-22 10 .358 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  CDA15739  Galium californicum subsp. californicum G. F. Hrusa 1998-6-14 14591 Sonoma Knights Valley; Foote Ranch, immed. N of corner Ida Clayton Rd. & Hwy. 128, Knights Valley. Comment
  UC353828  Galium divaricatum Milo S. Baker 1927-5-7 2127 Sonoma slope above Maple Glen; Mt. Hood Region Comment
  UCD161310  Galium divaricatum James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3701 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
  SBBG29173  Galium divaricatum M. S. Baker 1947-5-12 11768 Sonoma SW slope of Hood Mt along horse trail from Gray Ranch 441 Comment
  JEPS117088  Galium murale Peter Warner 2010-5-20 156 Sonoma Jenner Headlands, upper Middle Pasture, near small drainage, downslope ~155 m from Willig Extension Drive (main property road) Comment
  UCD160856  Galium nuttallii James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3277 Sonoma Mayacmas Mountains, Caldwell Pines area, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  JEPS52745  Galium porrigens var. porrigens Lauramay T. Dempster and Jean Colton 1963-8-5 3873 Sonoma 2 mi w Cloverdale (on road to Booneville); Alder Glen Springs Comment
  SD88402  Galium porrigens var. porrigens Darley F. Howe 1972-4-30 Sonoma Bodega Bay Comment
  UCD121906  Galium porrigens var. tenue UC Davis Botany 102 Students 1993-4-17 49 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sugarloaf Ridge. Near group campground. Comment
  RSA264750  Galium trifidum Peter Rubtzoff 1954-8-13 1713 Sonoma Bodega Head Marsh. Comment
  RSA94299  Galium trifidum Peter Rubtzoff 1951-6-9 152 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  JEPS34031  Gamochaeta ustulata W. L. Jepson 1931-7-19 15943 Sonoma just n Salmon Creek mouth Comment
  UC1042429  Gamochaeta ustulata Peter Rubtzoff 1951-6-7 137 Sonoma Western branch of Upper Marsh, (near Forestville, in a marshy opening); Pitkin Marsh Comment
  RSA790993  Gamochaeta ustulata Peter Rubtzoff 1963-6-22 5186 Sonoma Bennett Mountain Lake. Comment
  RSA94011  Gamochaeta ustulata Peter Rubtzoff 1951-6-30 293 Sonoma Pitkin Marsh, near Forestville; western branch of the Upper Marsh Comment
  UCD131642  Gamochaeta ustulata Frederica Bowcutt 1984-6-23 414 B Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. W of Highway 1. Immediately N of Gerstle Cove near large parking lot. 15 Comment
  CDA10855  Garrya fremontii G. F. Hrusa, G. L. Stebbins 1994-4-8 11731 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Shrub, 6 ft., w/ burl. Mayacmas Mts. Comment
  CAS-BOT-BC311826  Gastridium Peter Rubtzoff 1973-8-20 7226 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCR248909  Gastridium ventricosum Peter Rubtzoff 1974-6-2 7527 Sonoma Upper Green Valley Marsh Comment
  UCD105728  Genista monspessulana S. P. Lynch 2016-3-14 390 Sonoma 6 mi. west of Callistoga on St. Hwy 128. Comment
Read comments May 16 2013
  CDA36946  Geranium dissectum CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UC1541357  Geranium dissectum H. E. and S. T. Parks 1930-5-9 613 Sonoma head of Alexander Valley Alexander Valley Comment
  UCD103360  Geranium dissectum Caitlin Lewis; William Mutch 1993-4-17 22 Sonoma Sugarloaf Ridge State Park. About 40 miles N of San Francisco, 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. Along Sonoma Creek. 365 Comment
  UCR222558  Geranium robertianum George K. Helmkamp, E. A. Helmkamp 2010-6-5 16239 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  RSA83126  Gilia capitata subsp. chamissonis Verne Grant, Alva Grant 1948-7-7 8598 Sonoma Near Hwy 1, 11 miles north of Bodega Comment
  UCD117742  Gilia capitata subsp. pacifica Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-21 050 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC726807  Gilia capitata subsp. tomentosa A. A. Heller 1940-5-17 15631 Sonoma immediately e Bodega Bay (on State Highway 1) Comment
  UCD160144  Gilia tricolor James A. Neilson Jr. 1974-4-16 2871 Sonoma Mayacmas Mountains. Sulphur bank number 13. (Elevation estimated using Google Earth by label maker.) 487 Comment
  RSA67105  Gilia tricolor Verne Grant, Alva Grant 1950-4-24 8873 Sonoma Between Santa Rosa and Calistoga Comment
  UC932018  Gilia tricolor subsp. tricolor Verne Grant, Alva Grant March 1946 7850 Sonoma near Cloverdale; near Cloverdale Comment
  UC52877  Gilia tricolor subsp. tricolor Milo S. Baker Sonoma Perch Flat 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
  SEINET3146240  Glebionis segetum L. S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  CAS-BOT-BC303751  Glebionis segetum Walter & Irja Knight 1963-8-13 210 Sonoma 1.5 miles S Salmon Creek Comment
  CAS-BOT-BC227639  Glyceria Peter Rubtzoff 1966-5-7 5707 Sonoma North side of Hessel Road, just west of Hwy. 116. Comment
  CAS-BOT-BC227650  Glyceria Peter Rubtzoff 1971-7-3 6588 Sonoma West side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC282813  Glyceria leptostachya Peter Rubtzoff 1962-5-30 4850 Sonoma Freestone Marsh Comment
  SEINET6836756 Image available Glyceria leptostachya A. D. E. Elmer July 1903 4652 Sonoma Petaluma Comment
  UCD166179  Glyceria leptostachya Peter Rubtzoff 1969-7-5 6109 Sonoma Pond, 5.25 miles NE of Penngrove, near Lichan Road. Comment
  RSA94606  Glyceria leptostachya Peter Rubtzoff 1952-5-31 1120 Sonoma Pitkin Marsh, near Forestville, northern half of Lower Marsh Comment
  CAS-BOT-BC166706  Gnaphalium Peter Rubtzoff; Nancy Harrison 1974-9-7 7883 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  CAS-BOT-BC290690  Gnaphalium Peter Rubtzoff 1987-10-17 9875 Sonoma Russian River ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC303865  Gnaphalium Peter Rubtzoff 1987-10-17 9875 Sonoma Russian River ca 6 miles E of Guerneville Comment
  CAS-BOT-BC164700  Gnaphalium Peter Rubtzoff 1966-8-29 5815 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC303844  Gnaphalium Alice Eastwood 1921-5-8 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC166680  Gnaphalium chilense Peter Rubtzoff 1961-9-6 4730 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  CAS-BOT-BC302686  Gnaphalium palustre John Thomas Howell 1936-7-26 12668 Sonoma Between Occidental and Graton Comment
  CAS-BOT-BC302689  Gnaphalium palustre Peter Rubtzoff 1973-10-10 7339 Sonoma 2 miles west of Bloomfield along a tributary of Americano Creek. Comment
  CAS-BOT-BC164664  Gnaphalium purpureum Peter Rubtzoff 1971-6-5 6519 Sonoma Intermittent lake off wst side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC166709  Gnaphalium purpureum Peter Rubtzoff 1963-6-22 5186 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC166965  Gnaphalium purpureum Peter Rubtzoff 1977-9-4 9131 Sonoma Cunningham Marsh area, along a northern tributary of Blucher Creek, ca. 1 air mile WSW of Cunningham Station. Comment
  UCR279626  Gratiola ebracteata Peter Rubtzoff 1961-7-22 4664 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 363 Comment
  CAS-BOT-BC164094  Grindelia Peter Rubtzoff 1964-7-7 5392 Sonoma Laguna de Santa Rosa E of Graton. Comment
  SEINET3840884  Grindelia acutifolia G. F. Hrusa, M. Gillogly 2000-7-26 15674 Sonoma Dry bed of Leslie Creek, .25 miles above confluence with Mark West Creek, USGS Quadrangle: Mark West Springs 7.5 150 Comment
  CAS-BOT-BC305177  Grindelia hirsutula John Thomas Howell 1930-6-8 5222 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CAS-BOT-BC305182  Grindelia hirsutula Marcus E. Jones 1931-7-5 29142 Sonoma The Geysers Comment
  UC75917  Grindelia hirsutula Miss M. Alice King May 1897 Sonoma near Healdsburg Comment
  JEPS18182  Harmonia nutans Rimo Bacigalupi with Robbins and Chisaki 1956-4-17 5587 Sonoma along road 3.7 mi e beginning of Ida Clayton Rd. on Kellogg Valley side ((jct. with State rd. 128)); Mayacamas Range 685 Comment
  JEPS40061  Harmonia nutans R. Kuhn 1914-10-5 Sonoma Sonoma Comment
  CAS-BOT-BC306322  Hedypnois cretica W. P. Vestal; A. G. Vestal 1947-5-13 s.n. Sonoma 5 miles north of Fort Ross Comment
  CAS-BOT-BC306767  Helenium bigelovii John Thomas Howell; J. W. Stacey 1936-7-26 12684 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  CAS-BOT-BC262957  Helenium puberulum Peter Rubtzoff 1977-9-3 9123 Sonoma Perry Marsh. Comment
  RSA800283  Helenium puberulum Peter Rubtzoff 1968-7-20 5927 Sonoma Upper Salmon Creek Marsh. Comment
  UCD132752  Helenium puberulum Mary M. Hektner 1975-8-14 225 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD151000  Helianthella californica D. S. Park; S. Nicole 2010-5-11 79 Sonoma Bodega hwy. Comment
  RSA80308  Helianthemum scoparium var. vulgare Anonymous 1947-5-30 11770 Sonoma Southwest slope of Hood Mt. in chaparral burn Comment
  UCD158804  Helianthus bolanderi James A. Neilson Jr. 1974-3-27 2942 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  UCD159448  Helminthotheca echioides D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 205 Sonoma Near 'Big Hole' filled with freshwater. Wet. 10 Comment
  CAS-BOT-BC262967  Hemizonia Peter Rubtzoff 1956-9-16 2927 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD165138  Hemizonia Peter Rubtzoff 1974-5-18 7422 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC258003  Hemizonia Peter Rubtzoff 1970-8-5 6302 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC258395  Hemizonia Peter Rubtzoff 1974-5-18 7422 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  RSA0056566  Hemizonia Greg de Nevers 1996-11-10 10892 Sonoma Just north of Highway 37 opposite Port Sonoma, Lower Ranch. Comment
  RSA796387  Hemizonia Peter Rubtzoff 1969-8-28 6164 Sonoma 6.5 mi NE of Penngrove on Lichau Road. 427 Comment
  POM261036  Hemizonia congesta Alice Eastwood, J. T. Howell 1936-7-4 3822 Sonoma 2 miles N of Windsor. Comment
  RSA81615  Hemizonia congesta James I. McMurphy 1908-09 s.n. Sonoma George's Vineyard, near Fulton. Comment
  UC990644  Hemizonia congesta subsp. clevelandii James I. McMurphy 1909-8-9 709 Sonoma 1 mi s Sonoma Comment
  CAS-BOT-BC306156  Hemizonia congesta subsp. clevelandii James I. McMurphy 1917-9-15 s.n. Sonoma Litton station, between Healdsburg and Cloverdale Comment
  CAS-BOT-BC306159  Hemizonia congesta subsp. clevelandii James McMurphy 1908-9-26 s.n. Sonoma Foothills E. of Fulton Comment
  CAS-BOT-BC306161  Hemizonia congesta subsp. clevelandii Walter Knight; Irja Knight 1963-9-25 119 Sonoma Blue Bell Lane, Coddingtown Comment
  CAS-BOT-BC306220  Hemizonia congesta subsp. congesta Milo S. Baker 1932-6-9 5745 Sonoma Near Wrights School Comment
  CAS-BOT-BC306241  Hemizonia congesta subsp. congesta J. W. Congdon 1880-8-2 s.n. Sonoma Petaluma & Santa Rosa Road Comment
  CAS-BOT-BC306246  Hemizonia congesta subsp. congesta James I. McMurphy 1906-7-17 s.n. Sonoma Fulton Comment
  SD53396  Hemizonia congesta subsp. congesta Darley F. Howe 1962-7-29 3364 Sonoma 4.3 miles north of Jenner on Highway 1. Comment
  SBBG8412  Hemizonia congesta subsp. lutescens H. and M. Dearing 1939-5-14 Sonoma Bodega State Park [Bodega Dunes State Beach] 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-BC309710  Hemizonia congesta subsp. lutescens H. M. Hall 1931-5-28 13104 Sonoma Bodega Bay Comment
  CAS-BOT-BC309945  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 miles ne. of Penngrove 426 Comment
  CAS-BOT-BC309946  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 miles ne. of Penngrove 426 Comment
  CAS-BOT-BC309949  Hemizonia congesta subsp. luzulifolia Joseph P. Tracy 1930-9-1 9173 Sonoma North Coast Ranges. Knight's Valley Comment
  JEPS41000  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 mi ne Penngrove 426 Comment
  CAS-BOT-BC309941  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2731 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  OBI43810  Hemizonia congesta subsp. luzulifolia L. F. LaPre 1986-7-29 s.n. Sonoma Socrates Mine, ca 9 mi ENE of Geyserville (The Geyers Quad: T11N, R8w, sec 32) 914 Comment
  RSA0015420  Hemizonia congesta subsp. luzulifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  UCD132141  Hemizonia congesta subsp. luzulifolia Frederica Bowcutt 1994-7-5 1940 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, W of Bear Creek along Goodspeed Trail just as the vegetation shifts from mixed evergreen forest to serpentine chaparral. 536 Comment
  POM53601  Hemizonia luzulifolia A. A. Heller 1902-8-20 6054 Sonoma Lagoon at Scbastopol Comment
  RSA81630  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-8-7 699 Sonoma 7 miles from Santa Rosa on road to Calistoga, Comment
  CAS-BOT-BC176030  Hesperolinon clevelandii Milo S. Baker 1947-5-7 11743 Sonoma Southwest slope of Hood Mt. above Baker Ranch 213 Comment
  RSA151834  Hesperolinon micranthum H. K. Sharsmith 1947-5-30 3965 Sonoma Southern slope of Hood Mountain, volcanic rock, altitude 800 feet, near Grant line. 244 Comment
  UC1212399  Hesperolinon spergulinum Milo S. Baker 1947-7-15 11867 Sonoma ca 2 mi ne Occidental; Harrisons Grade Comment
  CAS-BOT-BC149833  Heteromeles arbutifolia Walter Knight; Irja Knight 1964-11-15 771 Sonoma Above Johnson Dam, Hood's Peak Comment
  CAS-BOT-BC149838  Heteromeles arbutifolia Saichi Kawahara 1968-4-20 327 Sonoma Trinity Road, 1 mile northeast of Highway 12 152 Comment
  UC688921  Heterotheca grandiflora Freed Hoffman 1943-12-1 Sonoma near Guerneville (Northwood); Russian River Comment
  CAS-BOT-BC311061  Heterotheca oregona var. oregona John Thomas Howell 1926-11-14 2252 Sonoma Between Rincon Valley and Santa Rosa Comment
  POM180783  Heterotheca sessiliflora subsp. echioides J. T. Howell 1930-7-13 5342 Sonoma Black Point Road Comment
  CAS-BOT-BC424432  Heuchera pilosissima Alice Eastwood 1917-5-13 s.n. Sonoma Bodega Bay Comment
  SEINET195012  Heuchera pilosissima A. A. Heller 1938-5-14 15085 Sonoma Near S end of Bodega Bay Comment
  JEPS78859  Hieracium albiflorum Edward Lee 1936-6-8 2219 Sonoma Bohemian Grove; grounds near entrance Comment
  UCD160864  Hieracium albiflorum James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3299 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CHSC8208  Hierochloe occidentalis Dave Isle 1969-5-10 448 Sonoma 8 miles S. of Stewarts Point off the E. side of HW 1. 30 Comment
  UC1129900  Hoita macrostachya J. B. Spring 1932-6-21 79 Sonoma Hooker Canyon Napa Quadrangle 365 Comment
  CAS-BOT-BC280792  Holcus lanatus A. A. Heller 1902-6-7 5651 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC280802  Holcus lanatus Peter Rubtzoff 1957-6-28 s.n. Sonoma Duncans Mills Marsh Comment
  OBI35876  Holcus lanatus David J. Keil 1983-6-29 17202 Sonoma Ca. 10 mi SE of Ft Ross along hwy 1 Comment
  UCD84844  Holcus lanatus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3571 a Sonoma 9.1 miles northwest of Santa Rosa, open roadside, north facing slope. Comment
  UCD84904  Holcus lanatus Peter Kamb; Francia Chisaki 1950-6-16 1856 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners. Comment
  CAS-BOT-BC164689  Holocarpha Peter Rubtzoff 1963-8-24 5245 Sonoma 2.5 miles north of Sebastopol Comment
  CAS-BOT-BC152386  Holodiscus discolor var. discolor Mary P. Wells 1984-5-24 277 Sonoma Annadel State Park, Santa Rosa Comment
  CAS-BOT-BC152389  Holodiscus discolor var. discolor Walter Knight; Irja Knight 1963-8-23 273 Sonoma Joost Ranch, Calistoga Rd., Santa Rosa Comment
  CAS-BOT-BC315813  Holozonia filipes A. A. Heller 1902-7-1 5800 Sonoma Lagoon at Sebastopol Comment
  CDA10938  Holozonia filipes G. F. Hrusa 1994-6-14 11888 Sonoma North Coast Biodiversity Arena; W of Hogback Mtn. Nathanson Creek, immediately below private dam, approximately 1.5 miles above end of Gehricke Rd. Comment
  CAS-BOT-BC166738  Holozonia filipes Peter Rubtzoff 1971-6-23 6546 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. 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
  UCSB50253  Hordeum brachyantherum subsp. brachyantherum Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 13 Comment
  CAS-BOT-BC289540  Hordeum brachyantherum subsp. californicum Roxana S. Ferris; Laura Lorraine 1961-6-14 13545 Sonoma Junction of Occidental Road with Facendini Lane Comment
  CAS-BOT-BC285196  Hordeum marinum subsp. gussoneanum Peter Rubtzoff 1951-7-7 384 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  UC573658  Hordeum marinum subsp. gussoneanum H. S. Yates 1937-5-30 6548 Sonoma 4 mi nw Graton; Sebastopol Quad. Comment
  CAS-BOT-BC285191  Hordeum marinum subsp. gussoneanum K. Wagnon 1939-5-16 204 Sonoma Entrance of Rd. 9, 14 miles west of Sebastopol on Bodega Highway Comment
  CAS-BOT-BC282024  Hordeum murinum subsp. leporinum A. A. Heller 1902-4-11 5278 Sonoma Bodega Bay Comment
  UCD85931  Hordeum murinum subsp. leporinum A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3557 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC146506  Horkelia tenuiloba Mr. Floyd Bailey; Mrs. Floyd Bailey 1925-4-26 96 a - local Sonoma Plantation Comment
  UCD106011  Hosackia gracilis Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-7-5 126 Sonoma Unit 35-C Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET957970  Hosackia oblongifolia L. S. Rose 1962-1 62062 Sonoma 1 mi. NW of Freestone. 76 Comment
  UCD106188  Hosackia stipularis Charles B. Heiser Jr. 1946-5-19 1738 Sonoma Vine Hill, W of Santa Rosa Comment
  JEPS117115  Humulus lupulus Peter Warner 2010-7-29 172 Sonoma State Hwy. 116, at 21.31 mark, ~ 2.53 km, E 143 deg. S of Forestville, in marshy area along W side of highway. Comment
  CDA36540  Hypericum anagalloides T. C. Fuller 1958-5-24 3990 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  JEPS128179  Hypericum concinnum Roger Raiche 2001-5-17 022 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC401325  Hypericum scouleri Volney Rattan 1877-6-26 s.n. Sonoma Geysers Comment
  UCD133345  Hypochaeris glabra P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  POM118406  Iris Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  HSC13855  Iris douglasiana James Faro 1962-4-14 20 Sonoma Salt Point Ranch, 5 mi. N of Fort Ross on Hwy. 1 Comment
  POM168822  Iris douglasiana A. A. Heller, H. E. Brown 1902-3-29 5182 Sonoma Bodega Bay Comment
  SDSU11765  Iris douglasiana D. F. Howe 1963-5-23 3533 Sonoma 4.5 miles north of Cloverdale on #128. 366 Comment
  UCD138709  Iris douglasiana R. H. Miller 1949-4-6 15 Sonoma along coast Highway 1, about 5 miles south of Jenner/ Comment
  UCD138718  Iris douglasiana Charles B. Heiser Jr. 1946-4-13 1720 Sonoma between Jenner and Duncan's Mills. Comment
  RSA48719  Iris fernaldii Lee W. Lenz 1949-5-3 14426 Sonoma About 1 mile from Petrified Forest on road to Calistoga. 610 Comment
  CAS-BOT-BC133677  Iris longipetala Peter Rubtzoff 1958-5-3 3625 Sonoma Atascadero Creek Marsh Comment
  UCR265222  Iris longipetala Ann Howald 2015-5-2 3380 Sonoma North Coast Ranges, Houser Bridge Rd, c. 1 mile north of intersection with Kruse Ranch Rd. 295 Comment
  UC566066  Iris macrosiphon E. Armstrong 1934-3-26 937 Sonoma 4 mi n Camp Meeker; Sebastopol Quad. 91 Comment
  UCSC000157  Iris macrosiphon Carl Meyer 1928-3-4 326 Sonoma Comment
  CAS-BOT-BC164686  Isoetes Peter Rubtzoff 1971-9-30 6714 Sonoma Spring Creek Reservoir area. Comment
  CAS-BOT-BC112574  Isolepis cernua Peter Rubtzoff 1963-6-5 5152 Sonoma Brooks Gulch Marsh. Comment
  SEINET4170787 Image available Isolepis cernua W. L. Jepson 1931-7-19 15945 Sonoma Just north of Salmon Creek Comment
  CAS-BOT-BC340231  Jaumea carnosa J. W. Congdon 1880-6-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC322122  Juncus arcticus Peter Rubtzoff 1955-7-24 1989 Sonoma Forestville Marsh. Comment
  UCR250390  Juncus balticus Peter Rubtzoff 1957-5-11 3333 Sonoma Occidental Marsh Comment
  CDA37961  Juncus bolanderi D. G. Kelch, Troy McGregor 2010-8-22 10 .339 Sonoma Geyser Peak Rd. Comment
  UCD141376  Juncus bufonius Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-21 50 A Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET6877095  Juncus bufonius W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 5 miles north of Fort Ross. Comment
  CAS-BOT-BC173568  Juncus bufonius var. congestus Peter Rubtzoff; Nancy Harrison 1974-9-7 7860 Sonoma Hinebaugh Creek in Rohnert Park. West of Commerce Blvd. crossing Comment
  UCD160827  Juncus effusus subsp. pacificus James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3436 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  UCR280144  Juncus effusus subsp. pacificus Peter Rubtzoff 1971-9-3 6693 Sonoma North Coast Range, Spring Creek Reservoir 87 Comment
  CAS-BOT-BC164047  Juncus effusus subsp. pacificus Peter Rubtzoff 1971-7-23 6620 Sonoma Sonoma: Spring Hill Road, 2.7 miles southeast of Bodega Hwy (of Two Rock Church) Comment
  CAS-BOT-BC173632  Juncus hemiendytus var. hemiendytus Peter Rubtzoff 1972-4-23 6733 Sonoma Vernal pool, 4.25 mi. W of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC157986  Juncus hesperius Peter Rubtzoff 1954-8-3 1634 Sonoma Lower Salmon Creek Marsh Comment
  SD99413  Juncus hesperius Christopher Davidson 1977-6-20 6035 Sonoma Ridge Crest Road, on Sea Ranch property, south of Gualala River. Deep shade on slight slope north toward small stream. 29 Comment
  CAS-BOT-BC290569  Juncus lescurii Peter Rubtzoff 1959-6-20 4179 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC322118  Juncus lescurii Peter Rubtzoff 1961-8-6 4676 Sonoma Americans Creek, 0.5 mi. east of Valley Ford. Comment
  UCR248733  Juncus lescurii Peter Rubtzoff 1954-7-26 1554 Sonoma Coleman Marsh, along Salmon Creek 3 Comment
  UCR248765  Juncus lescurii Peter Rubtzoff 1962-10-9 5117 Sonoma Lower Salmon Creek Marsh 6 Comment
  UCD141617  Juncus nevadensis Frederica Bowcutt 1997-7-18 2182 a Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge west of Bear Creek. 365 Comment
  CAS-BOT-BC182748  Juncus occidentalis Peter Rubtzoff 1974-5-18 7413 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road Comment
  RSA42042  Juncus occidentalis H. C. Cantelow 1936-5-3 1304 Sonoma El Verano. Comment
  RSA94255  Juncus occidentalis Peter Rubtzoff 1951-7-28 563 Sonoma Pitkin Marsh, near Forestville; Lower part of the Upper Marsh. Comment
  CHSC113798  Juncus xiphioides Peter F. Zika 2012-6-30 25944 Sonoma Pepperwood Preserve, near Dwight Center, 3 air miles SE of Bald Hills, Mayacmas Mountains. Outer North Coast Ranges. (NCoRO) 375 Comment
  UCD161842  Juncus xiphioides James A. Neilson Jr. 1974-7-10 2816 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1027 Comment
  RSA126570  Juncus xiphioides H. S. Yates 1936-5-16 5596 Sonoma 2 miles SE of Forestville 30 Comment
  CAS-BOT-BC320577  Kickxia Peter Rubtzoff 1970-9-8 6381 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  RSA0022381  Kickxia elatine Peter Rubtzoff 1971-8-9 6633 Sonoma Laguna, Chileno Valley. Comment
  RSA247442  Kickxia elatine Peter Rubtzoff 1959-6-20 4158 Sonoma Willow Creek Marsh. Willow Creek. Comment
  LA11969  Koeleria macrantha Joseph Andorfer Ewan; 1935-5-13 9246 Sonoma near Wright School on Sebastopol road Comment
  CAS-BOT-BC273781  Koeleria pyramidata Mary P. Wells 1985-4-27 505 A Sonoma Monan's Rill (no. of St. Helena Road & east of Calistoga Road) Comment
  CAS-BOT-BC273786  Koeleria pyramidata G. DeNevers 1981-6-6 1474 Sonoma Pepperwood Ranch. At top of Telegraph Hill Comment
  CAS-BOT-BC273789  Koeleria pyramidata G. DeNevers; J. Shumate 1981-7-25 1865 Sonoma Pepperwood Ranch. W of 3 Tree Hill Comment
  CAS-BOT-BC340486  Lactuca saligna Walter Knight; Irja Knight 1963-9-15 240 Sonoma Los Alamos Rd, Santa Rosa Comment
  UC89191  Lagophylla minor T. Brandegee Sonoma Mt. St. Helena Comment
  UC33061  Lagophylla ramosissima Alice King 1896-9-1 Sonoma Healdsburg Comment
  UC1146594  Lagurus ovatus Freed W. Hoffman 1944-6-8 2028 Sonoma Cruz Ranch, on coast Comment
  UCD63290  Lamarckia aurea Beecher Crampton 1964-8-18 7146 Sonoma n.e. Sonoma County: The Geysers, Big Sulphur Creek. Comment
  CAS-BOT-BC486690  Lamiaceae Peter Rubtzoff 1966-8-18 5784 Sonoma Laguna de Santa Rosa ca 1 mile ESE of Sebastopol Comment
  JEPS86815  Lamium purpureum Jack and Betty Guggolz 1991-5-14 1133 Sonoma s of Lone Pine Road (w of Hwy 116) 27 Comment
  HSC93490  Lamium purpureum G. Fred Hrusa, R. Gross 1993-3-14 10528 Sonoma NW base of Mt. St. Helena, 10 mi. N of Calistoga on Hwy. 128 107 Comment
  CAS-BOT-BC337896  Lasthenia J. H. Thomas 1954-6-18 4294 Sonoma Near intersection of Coast Highway and Coleman Valley Road, about 3.5 miles north of town Bodega Bay Comment
  CAS-BOT-BC474557  Lasthenia burkei Ayzik Solomeshch 2009-5-11 s.n. Sonoma NW of the city of Santa Rosa, S of River Rd and W of Fulton Rd, just N of Wood Rd, Sampling pool #4. 44 Comment
  UC30450  Lasthenia californica H. N. Bolander 1864-1 3846 Sonoma Mark West Comment
  JEPS82092  Lasthenia californica subsp. bakeri Rimo Bacigalupi 1961-5-21 7702 Sonoma on hill due e Bodega Bay Hill Road (head of gulch); Johnson Gulch Comment
  UC1118957  Lasthenia californica subsp. californica H. S. Yates 1934-4-22 3843 Sonoma 2 mi. s Mark West; Calistoga Quad. Comment
  SEINET11807292  Lasthenia chrysostoma F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -231 Sonoma end of Stoetz Road 200 Comment
  CAS-BOT-BC355534  Lasthenia glaberrima Peter Rubtzoff 1961-5-24 4602 Sonoma Upper Stemple Creek Marsh Comment
  CAS-BOT-BC355525  Lasthenia glaberrima Peter Rubtzoff 1968-6-20 5892 Sonoma 6.5 mi NE of Penngrove, on Lichun Road, 426 Comment
  POM53048  Lasthenia glaberrima Michener, Bioletti 1893-06 s.n. Sonoma Kenwood Comment
  JEPS128224  Lasthenia gracilis Roger Raiche 2000-5-4 058 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC370854  Lasthenia minor John Thomas Howell 1931-4-18 6420 Sonoma mouth of Salmon Creek, 2 miles n. of Bay Comment
  UC726341  Lasthenia minor A. A. Heller 1938-5-14 15080 Sonoma n of the town of Bay; Bodega Bay Comment
  UC893773  Lasthenia minor Milo S. Baker 1931-4-15 5385 Sonoma mouth of Salmon Cr. Comment
  POM253183  Lasthenia minor A. A. Heller 1938-5-14 15080 Sonoma On the bluff N of Bay, Bodega Bay. Comment
  SD241760  Lasthenia minor J. Clausen 1935-5-24 1084 Sonoma 5 miles south of Jenner, on bluffs overlooking the ocean. Comment
  CAS-BOT-BC164646  Lathyrus Peter Rubtzoff 1971-5-30 6467 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD165121  Lathyrus Peter Rubtzoff 1974-4-17 7363 Sonoma Upper Green Valley Marsh area. Comment
  CDA20555  Lathyrus hirsutus A. Stephens 2005-6-16 PDR 1293626 Sonoma North Coast; Petaluma Hill Rd, Petaluma. 44 Comment
  CDA4178  Lathyrus hirsutus T. C. Fuller 1969-10-1 18964 Sonoma Two different ranches north & south of Santa Rosa. 0 Comment
  UC137193  Lathyrus torreyi Michener and Bioletti 1892-7-6 14 a Sonoma Gualala Comment
  UCR265133  Lathyrus vestitus Ann Howald 2015-4-1 3333 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  POM17270  Lathyrus vestitus subsp. vestitus A. A. Heller, H. E. Brown, A. H. Heller 1902-3-10 8256 Sonoma Hills East of Santa Rosa. Comment
  UC15384  Lathyrus vestitus var. vestitus W. H. Brewer 1862-4-18 966 Sonoma near Sonoma Comment
  CDA5656  Lavandula stoechas Gordon Leppig 2000-4-22 1311 Sonoma Fuller Mountain Road. Near summit of Fuller Mountain. 0 Comment
  UCD166136  Layia chrysanthemoides Peter Rubtzoff 1969-5-11 6036 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. 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
  RSA785926  Layia chrysanthemoides Peter Rubtzoff 1969-5-11 6044 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  CAS-BOT-BC379624  Layia platyglossa Alice Eastwood 1915-6-29 4836 Sonoma Bodega Point Comment
  RSA0001366  Layia platyglossa Jens Clausen 1935-5-24 1094 Sonoma 6.5 miles S. of Jenner. Comment
  UCSB50243  Layia platyglossa Gray, John 1976-5-1 Sonoma Bluff above Blind Beach, Sonoma Coast State Beach, 1/2 mile west of Highway 1; T7N R11W 60 Comment
  CAS-BOT-BC176127  Leersia Peter Rubtzoff 1970-9-2 6358 Sonoma Russian River bottom at Mirabel Park. Comment
  CAS-BOT-BC184129  Leersia Peter Rubtzoff 1965-10-17 5660 Sonoma Forest Hills (5.5 miles E of Guerneville) Comment
  CAS-BOT-BC274360  Leersia oryzoides Peter Rubtzoff 1961-10-18 4772 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads Comment
  UCD166260  Lemna Peter Rubtzoff 1970-8-18 6320 Sonoma 5 miles north of Sear Point. 11 Comment
  CAS-BOT-BC527253  Lemna gibba Peter Rubtzoff 1961-8-6 4674 Sonoma Americano Creek 1/2 mile east of Valley Ford, Sonoma County Marshes Comment
  SEINET6096569  Lemna gibba Unknown 1965-11-9 5666 Sonoma Stony Point Marsh. Comment
  UCR256957  Lemna minor Peter Rubtzoff 1954-8-13 1710 Sonoma Bodega Head Marsh 2 Comment
  RSA0025211  Lemna minuta Peter Rubtzoff 1955-7-31 2007 Sonoma Forestville Marsh. Comment
  RSA0025207  Lemna perpusilla Peter Rubtzoff 1961-8-24 4709 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  UCD161377  Lepechinia calycina James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Crest of ridge between Squaw Creek and Big Sulphur Creek. (Elevation and exact location estimated by label maker.) 731 Comment
  CAS-BOT-BC173644  Lepidium Peter Rubtzoff 1965-8-22 5611 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) Comment
  CAS-BOT-BC89150  Lepidium didymum Walter Knight; Irja Knight 1963-8-13 173 Sonoma Horseshoe Cove. Comment
  UCD167420  Lepidium didymum Peter Rubtzoff 1958-8-9 3840 Sonoma Laguna de Santa Rosa N of Sebastopol (nr. Occidental Rd.) 20 Comment
  CHSC28849  Lepidium nitidum Jane A. Rogers 1979-4-14 9 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/4 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. 27 Comment
  NY76571  Lepidium oxycarpum J. T. Howell 1933-4-1 10924 Sonoma Petaluma Comment
  CAS-BOT-BC12756  Lepidium oxycarpum David D. Keck 1931-4-1 996 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma). 10 Comment
  POM182701  Lepidium oxycarpum D. D. Keck 1931-4-1 996 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma) 10 Comment
  CAS-BOT-BC273994  Leptochloa fusca subsp. fascicularis John Thomas Howell; W. Knight; I. Knight 1988-7-6 s.n. Sonoma Old Redwood Highway & Adobe Road, Penngrove Comment
  JEPS117077  Leptosiphon acicularis Peter Warner 2010-5-6 143 Sonoma Annadel State Park, ~200 m N12 degrees E of Rough Go - Live Oak Trail junction in rocky grassland Comment
  JEPS117075  Leptosiphon androsaceus Peter Warner 2010-5-6 144 Sonoma Annadel State Park, in grassland along Canyon Trail, ~750 m W of junction with Marsh Trail, ~950 m W of dam at Lake Ilsanjo Comment
  CAS-BOT-BC226702  Leptosiphon jepsonii G. DeNevers 1981-5-15 1205 Sonoma Pepperwood Ranch. Grazed shore of Hansel's Lake Comment
  CAS-BOT-BC376245  Leptosiphon parviflorus Greg de Nevers 1992-4-28 10118 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  UC23774  Leptosiphon parviflorus W. H. Brewer 1862-4-17 983 Sonoma Sonoma Comment
  UCSB5162  Leptosiphon parviflorus Robbins, G. 1937-6-6 Sonoma 2 to 3 miles east of Bodega Bay Comment
  NY180565  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  CAS-BOT-BC324189  Lessingia hololeuca Walter Knight; Irja Knight 1963-9-11 409 Sonoma Chileno Valley Comment
  JEPS20635  Lessingia hololeuca Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  JEPS82406  Lessingia hololeuca Roger Raiche 1983-9-20 30727 Sonoma between Monte Rio and Camp Meeker Bohemian Highway; Headwaters Duvoul Creek Comment
  UCR255049  Leucanthemum vulgare Greg de Nevers 1998-5-20 11253 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD150275  Leymus triticoides M. Lennox; D. Curle 2011-12-7 PDR 146599 8 Sonoma Petaluma. Comment
  CAS-BOT-BC451695  Lilaea scilloides Peter Rubtzoff 1972-6-11 6775 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC130693  Lilium occidentale Peter Rubtzoff 1951-6-7 133 Sonoma Western branch of the Upper Marsh Comment
  UC1051675  Lilium pardalinum Peter Kamb and Francia Chisaki 1950-6-16 1860 Sonoma nw of Sebastopol (Pitkin Marsh, 1 mi n of Sousa Corners); Pitkin Marsh Comment
  UCD150014  Lilium pardalinum Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 2.5 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd., along Big Sulphur Creek. Elevation estimated by label maker. 822 Comment
  CAS-BOT-BC110616  Limnanthes Charles Piper Smith 1908-4-1 1383 Sonoma Petaluma. Base of hills on east side of valley. Comment
  JEPS77858  Limnanthes alba Robert M. Lloyd 1961-5-8 3623 Sonoma Sobre Vista Rd w Aqua Caliente (0.9 mi n of Arnold Dr.) Comment
  OBI12591  Limnanthes douglasii Lewis S. Rose 1965-4-4 65020 Sonoma Sonoma 24 Comment
  RSA178016  Limnanthes douglasii subsp. douglasii Robert F. Thorne 1965-4-19 34274 a Sonoma Titus Ranch, Valley Ford. 18 Comment
  SEINET6670470  Limnanthes douglasii subsp. douglasii C. T. Mason 1949-4-11 1249 Sonoma West side of highway 37, 2.4 miles north of junction of state highway 37 and 48, Sears Point. Comment
  JEPS86750  Limnanthes douglasii subsp. nivea Jack and Betty Guggolz 1990-4-21 1031 Sonoma intersection of Wilfred and Whistler (nw quadrant, a mi w of Hwy 101 and a little less than 3 mi nnw of center of Cotati) 27 Comment
  CAS-BOT-BC45947  Limnanthes vinculans Peter Rubtzoff 1966-5-29 5726 Sonoma Laguna de Santa Rosa area east of Cunningham (nr. Llano Road). Comment
  JEPS39648  Limnanthes vinculans Robert Ornduff 1965-5-8 6864 Sonoma se of Cunningham (at junction of Hessel Road and Calif. Hwy. 116) Comment
  RSA215942  Limnanthes vinculans Peter Rubtzoff 1958-5-17 s.n. Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Rd.) Comment
  RSA534571  Limnanthes vinculans Peter Rubtzoff, N. Harrison 1978-5-20 9179 Sonoma Cunningham Marsh Area. Open, very wet ground on north side of Blucher Creek Valley Comment
  UC1330359  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Road 1.4 mi from Hwy 116 (0.6 mi from Llano Road); ; Todd Road, near Llano Road, Sonoma Co. Comment
  UC1331758  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Road 1.4 mi from Hwy. 116 (0.6 mi from Llano Road); ; Todd Road, near Llano Road, Sonoma Co. Comment
  UC30170  Linanthus acicularis W. H. Brewer 1862-4-18 983 Sonoma Sonoma Comment
  CAS-BOT-BC225244  Linanthus latisectus Greg de Nevers 1995-5-5 10722 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, on the way to Wiemar Flat 487 Comment
  UCR143494  Linanthus latisectus David D. Keck 1931-4-4 1100 Sonoma Santa Rosa Creek Canyon, eastern part of the county 225 Comment
  SEINET6949195  Linum bienne W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Maritime grassland, 5 miles north of Fort Ross. Comment
  UCD81453  Lithocarpus densiflorus M. Wiesendanger 1927-5-5 729 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC36015  Lithocarpus densiflorus var. densiflorus Irja Knight; Walter Knight 1964-11-15 773 Sonoma Hood's peak at Johnson Lake Comment
  CAS-BOT-BC505199  Lithophragma affine Ann Howald 2015-4-1 3315 Sonoma North Coast Ranges: Stewarts Point--Skaggs Springs Rd, 14.7 mi W of jct with Rockpile Rd, Wolf Creek drainage 520 Comment
  JEPS47676  Lithophragma heterophyllum Willis L. Jepson 1893-5-1 13473 Sonoma hills between Calistoga and road to Knight's Valley (Napa River Basin); , btw Calistoga and rd to Knight's Valley Comment
  JEPS128268  Logfia filaginoides Roger Raiche 2000-4-8 026 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD132737  Logfia gallica Frederica Bowcutt 1994-6-12 1855 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 75 yards, N of Adobe Canyon Road up Pony Gate Trail. 426 Comment
  UC573668  Lolium multiflorum H. S. Yates 1937-5-30 6552 Sonoma 1 1/2 mi e Occidental; Sebastopol Quad. Comment
  UCD66227  Lolium multiflorum A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3553 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC283293  Lolium multiflorum David L. Morgan 1961-5-17 s.n. Sonoma Watkins Ranch, 0.25 mile NW of Penngrove Comment
  SEINET11690148  Lolium multiflorum J. T. Howell, Knight, W.; Knight, I. 1987-1 6231 Sonoma Todd Road Preserve, NE corner of Llano & Todd Rds 24 Comment
  UC1011012  Lolium perenne Virginia Bufford 1936-5-19 266 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  UCD66660  Lolium temulentum David L. Morgan 1956-5-13 Sonoma On Watmaugh Road, 1/2 mile W of junction of Arnold Drive. Comment
  SEINET12121666  Lomatium californicum W. Knight, Knight, I.; Edwards, S. 1986-1 5294 Sonoma on Geysers Road between Geysers Resort site & CLoverdale Comment
  UCD127037  Lomatium californicum Frederica Bowcutt 1996-5-24 2155 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon just N of Sonoma/Rattlesnake Creek confluence on a small knoll. 381 Comment
  SEINET12121702  Lomatium dasycarpum W. Knight, Knight, I.; Edwards, S. 1986-1 5371 Sonoma along trail to summit of Geyer Peak, access from Healdsburg-Geysers Rd 856 Comment
  UC1046220  Lomatium dasycarpum subsp. dasycarpum Lincoln Constance 1953-4-4 3448 Sonoma 1 mi. s.w. Petrified Forest (Mark West rd.) Comment
  UC923162  Lomatium dasycarpum subsp. dasycarpum Freed W. Hoffman 1950-5-27 3284 Sonoma N. Coast Ranges, Fred McMurray Ranch Comment
  UCD127042  Lomatium dasycarpum subsp. dasycarpum Botany 102 Students 1993-5-8 262 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon. Comment
  UCD127044  Lomatium dasycarpum subsp. dasycarpum Frederica Bowcutt 1994-5-21 1806 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, about 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood, about 18 air miles NW of Napa. Along meadow trail, approx. 3/8 mile from trailhead. 1300 Comment
  JEPS128223  Lomatium dasycarpum subsp. tomentosum Roger Raiche 2000-5-4 059 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. 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
  CAS-BOT-BC217807  Lomatium repostum Greg de Nevers 1997-6-7 11020 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC240645  Lonicera hispidula Walter Knight; Irja Knight 1963-9-15 294 Sonoma Los Alamos Rd., Santa Rosa Comment
  RSA633341  Lonicera involucrata Michael A. Vincent, Ethan H. Freid 1998-4-8 8173 Sonoma Bodega Bay; 0.5 mile NE of city limits along Rt. 1. Comment
  UC1125276  Lonicera involucrata var. ledebourii H. S. Yates 1934-4-21 3803 Sonoma near Bodega; Duncan Mills Quadrangle Comment
  CAS-BOT-BC293679  Lotus Peter Rubtzoff; Nancy Harrison 1974-9-7 7870 Sonoma Hinebaugh Creek in Rohnert Park., creek bed west of Commrece Blvd. crossing. Comment
  UCR2752548  Lotus Peter Rubtzoff 1971-5-8 6452 Sonoma Intermittent Lake off west side of Highway 1, 0.7 miles SE of Salmon Creek crossing 18 Comment
  CAS-BOT-BC293671  Lotus Peter Rubtzoff 1971-6-25 6563 Sonoma Intermittent lake off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC294702  Lotus Peter Rubtzoff 1970-7-17 6291 Sonoma Five miles north of Sears Point. Comment
  RSA0020335  Lotus Peter Rubtzoff 1974-6-2 7503 Sonoma Upper Green Valley Marsh. Comment
  JEPS79074  Lotus aboriginus L. R. Heckard with S. Rae and Betty Lovell 1980-4-21 5175 Sonoma 1.5 mi due e Forestville (about 0.5 mi e of Vine Hill road, Vine Hill School road) 60 Comment
  UCSB31801  Lotus corniculatus Townsend, J. 1977-5-21 Sonoma North side of Calif. State 12, 1 mile east of Freestone 304 Comment
  UC75639  Lotus formosissimus Miss Emma Lobenstein 1906-1-1 Sonoma Valley Ford Comment
  UC58330  Lotus junceus A. A. Heller 1903-4-25 6597 Sonoma Fort Ross Comment
  UC1285193  Lotus junceus var. biolettii R. F. Hoover 1964-9-8 9286 Sonoma near Fort Ross; Kolmer Gulch Comment
  SDSU4356  Lotus uliginosus D. F. Howe 1965-8-3 4102 Sonoma 8 miles east of Bodega Bay on #1. Comment
  RSA31648  Lotus unifoliolatus A. A. Heller 1941-8-8 16278 Sonoma West of the Petrified Forest. Comment
  RSA568520  Lotus unifoliolatus H. L. Bauer 350 Sonoma Big Basin Comment
Read comments Sep 18 2012
  UCD66024  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 50 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UCD66025  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 51 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  CAS-BOT-BC251206  Ludwigia palustris Peter Rubtzoff 1955-7-31 2008 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC251194  Ludwigia palustris Peter Rubtzoff 1954-8-4 1656 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC251209  Ludwigia palustris Peter Rubtzoff 1972-6-27 6793 Sonoma Atascadero Creek Marsh. Comment
  RSA800126  Ludwigia palustris Peter Rubtzoff 1969-8-24 6149 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  CAS-BOT-BC157973  Ludwigia peploides Peter Rubtzoff 1958-7-20 3782 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road) Comment
  CAS-BOT-BC173514  Ludwigia peploides Peter Rubtzoff 1955-7-9 1937 Sonoma Forestville Marsh Comment
  CAS-BOT-BC201286  Lupinus Milo S. Baker 1948-7-3 12059 Sonoma Millstation Rd. 4/10 mi from Gravestein [Gravenstein] Hiwy and 1.4 mi from Church on the Main St. in Sebastopol. North side of Millstation Rd. near Post box 35 Route 1 Comment
  CAS-BOT-BC201289  Lupinus Milo S. Baker 1948-7-3 12059 Sonoma Millstation Rd near Post Box 39 Rt 1, .4 mi West of Gravestein [Gravenstein] Hiwy and 1.4 mi from Catholic Church on the Main St of Sebastopol Comment
  RSA788828  Lupinus Carrie A. Herd 1982-4-25 79 Sonoma Crane Creek Regional Park, Flattened area above Crane Creek Comment
  SEINET12165153  Lupinus albifrons W. Knight, Knight, I.; Ellman, P.; Petersen, J. 1986-1 5248 Sonoma Bowerie Aubdubon Preserve, betw Cavedale Rd adn Stuart Canyon .5mi off hwy 12 Comment
  CAS-BOT-BC195972  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-27 48163 Sonoma Junction Melitta-Mark West-Petrified Forest roads. Petrified Forest, junction Comment
  JEPS77262  Lupinus albifrons var. albifrons Robert M. Lloyd 1963-4-24 2399 Sonoma 16.5 mi from State Hwy. 12 on road to Oakdale 274 Comment
  CAS-BOT-BC196153  Lupinus albifrons var. douglasii J. W. Congdon 1880-6-1 s.n. Sonoma Petaluma Comment
  POM11031  Lupinus albifrons var. eminens A. A. Heller, H. E. Brown, A. H. Heller 1902-3-27 7175 Sonoma Western base of Mt. Hood. Comment
  JEPS128290  Lupinus bicolor Roger Raiche 2002-4-12 003 .02 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. 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
  UC865102  Lupinus chamissonis Alice Eastwood, John Thomas Howell 1939-4-2 7375 Sonoma Russian River Canyon near Monte Rio; Russian River Canyon near Monte Rio Comment
  SEINET10485216  Lupinus densiflorus Joseph W. Congdon 1880-5-11 Congdon UMO 42456 Sonoma Santa rosa. Comment
  RSA34035  Lupinus densiflorus var. palustris A. A. Heller 1938-5-14 15091 Sonoma Near Two Rocks. Comment
  UC201962  Lupinus formosus Milo S. Baker May 1899 Sonoma on Occidental Road Green Valley near Gallager's Green Valley Comment
  UC73199  Lupinus latifolius var. latifolius Miss M. Alice King April, 1897 Sonoma near Healdsburg; near Healdsburg Comment
  UCD108644  Lupinus microcarpus var. densiflorus Eric Davidson 1972-5-27 392 Sonoma near dorm at University of California's Bodega Marine Lab, Bodega Head. Comment
  UC725327  Lupinus microcarpus var. microcarpus A. A. Heller 1940-5-17 15637 Sonoma on State Highway #1, 2 mi w Valley Ford; w of Valley Ford Comment
  SD64433  Lupinus microcarpus var. microcarpus Darley F. Howe 1966-6-2 Sonoma 5 miles south of Bodega Bay Comment
  SD88507  Lupinus microcarpus var. microcarpus Darley F. Howe 1972-6-26 Sonoma North of Jenner Comment
  JEPS65363  Lupinus nanus W. L. Jepson 1914-4-11 5801 Sonoma Sonoma Valley 35 Comment
  UC73194  Lupinus nanus Milo S. Baker 1898-4 706 Sonoma hills near Santa Rosa; hills near Santa Rosa Comment
  UC865365  Lupinus pachylobus Alice Eastwood 1918-5-1 6844 Sonoma Mt. St. Helena Comment
  SEINET10837860  Lupinus polyphyllus Joseph W. Congdon 1880-7-1 Congdon s.n. Sonoma Two rock road. Comment
  RSA339414  Lupinus sericatus Roger Raiche 1984-3-25 40074 Sonoma Kelly Road just west of its intersection with Rockpile Road 610 Comment
  UC909758  Lupinus succulentus Milo S. Baker Apr 1950 12159 Sonoma w of Mellita Comment
  UCSB50220  Lupinus variicolor Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 18 Comment
  RSA177992  Luzula comosa Robert F. Thorne 1965-4-19 34298 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 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
  CLARK-A1528-3216  Lythrum hyssopifolia John C. Roos 1938-6-19 Sonoma Novato Comment
  CAS-BOT-BC166955  Madia Peter Rubtzoff 1969-8-29 6173 Sonoma Salmon Creek, ca. 0.5 miles upstream from Hwy. 1. Comment
  UC523535  Madia David D. Keck 1933-11-6 2647 Sonoma 1 mi n Freestone (on road to Occidental) Comment
  CAS-BOT-BC342619  Madia anomala G. DeNevers 1981-4-20 765 Sonoma Pepperwood Ranch. Pippindale farm. On bench between Studio and the ridge top Comment
  POM203932  Madia capitata J. T. Howell 1932-9-17 10764 Sonoma Near Kenwood Comment
  RSA81574  Madia capitata James I. McMurphy 1909-8-8 702 Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  CAS-BOT-BC344042  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi. N. of Occidental Comment
  JEPS128236  Madia elegans Roger Raiche 2000-9-2 147 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC523534  Madia elegans David D. Keck 1933-11-6 2646 Sonoma 1 mi n of Freestone; Occidental Comment
  UC75902  Madia elegans Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  CAS-BOT-BC344034  Madia elegans James I. McMurphy 1909-5-29 s.n. Sonoma Mountains near The Geysers Comment
  CAS-BOT-BC344554  Madia exigua Greg de Nevers 1990-5-1 9661 A Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  POM194541  Madia exigua Y. Mexia 1929-6-2 2391 Sonoma Near Mark West Springs Comment
  UCD134248  Madia exigua Frederica Bowcutt 1994-5-21 1819 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; 10 air miles E of Santa Rosa; 18 air miles NW of Napa. Along meadow trail approximately 3/4 mile from trailhead. 411 Comment
  CAS-BOT-BC166733  Madia gracilis Peter Rubtzoff 1967-9-2 5876 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC343451  Madia gracilis John Thomas Howell 1937-7-4 13065 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC343456  Madia gracilis John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54684 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC343459  Madia gracilis A. A. Heller 1902-6-23 5738 Sonoma Petrified Forest Comment
  CAS-BOT-BC343461  Madia gracilis L. R. Abrams 1916-7-4 5791 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC343469  Madia gracilis D. E. Breedlove 1980-6-27 44748 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD55327  Madia gracilis Ellen Dean 2006-6-28 3171 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  CAS-BOT-BC343466  Madia gracilis G. DeNevers 1981-5-30 1422 Sonoma Pepperwood Ranch. In Garrison yard ruderal Comment
  SD112630  Madia gracilis Darley F. Howe 1963-5-23 3524 Sonoma 2.8 miles north of Cloverdale on #128 245 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
  CAS-BOT-BC345205  Madia sativa John Thomas Howell 1932-9-18 10781 Sonoma Lower Road to Glen Ellen 1 1/2 miles sw. of Kenwood Comment
  RSA790982  Madia sativa Peter Rubtzoff 1962-10-23 5124 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  CHSC26310  Maianthemum racemosum P. Kunst 1977-4-12 32 Sonoma 170 Comment
  CAS-BOT-BC511493  Maianthemum stellatum Greg de Nevers 1981-4-18 737 Sonoma Hot roadside at cnfluence of Mark west Creek with Leslie Creek, Pepperwood Ranch Comment
  CAS-BOT-BC511498  Maianthemum stellatum John Thomas Howell 1924-3-23 298 Sonoma Camp Meeker Comment
  CAS-BOT-BC376264  Malva sylvestris Greg de Nevers 1992-9-1 10249 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  SBBG53030  Marah fabacea M. R. Benedict 1978-4-18 Sonoma Skaggs Spring Rd, above Warm Springs dam site Comment
  UC28946  Marah oregana F. T. Bioletti 1894-1 Sonoma near Hood's Peak 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-BC348314  Matricaria occidentalis Peter Rubtzoff 1970-5-16 6227 Sonoma 5 mi. north of Sears Point Comment
  RSA264723  Matricaria occidentalis Peter Rubtzoff 1974-5-19 7446 Sonoma Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville roads. Comment
  UC855219  Meconella californica Alice Eastwood 1917-5-10 Sonoma on rd Bodega Point Comment
  CAS-BOT-BC268111  Medicago Peter Rubtzoff 1973-8-21 7247 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  CAS-BOT-BC268116  Medicago Peter Rubtzoff 1956-9-14 2890 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD165325  Medicago Peter Rubtzoff 1973-8-21 7247 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  UCD87213  Melica californica R. Tofsrud 1941-4-1 292 Sonoma Between County Hosp. and S.R. Comment
  SEINET11678851  Melica frutescens Unknown 1936-1 13117 Sonoma near Hopland Comment
  CAS-BOT-BC281276  Melica geyeri G. DeNevers 1981-5-15 1164 Sonoma Pepperwood Ranch. N arm of Garrison Canyon Comment
  CAS-BOT-BC281279  Melica geyeri G. DeNevers 1987-6-1 8184 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd, Santa Rosa 400 Comment
  JEPS128355  Melica geyeri Roger Raiche 2000-4-23 050 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD87313  Melica geyeri Virginia Bufford 1937-5-10 453 Sonoma Top of O'farrell Hill -- West of Sebastopol. Comment
  UCD87347  Melica geyeri R. Tofsrud 1942-4-1 279 Sonoma Along Mark West road about 3 mi. above the Springs resort. Comment
  RSA123516  Melica harfordii H. S. Yates 1936-5-16 5615 Sonoma 2 miles northwest of Mountain View School. 76 Comment
  UCD36634  Melica harfordii Beecher Crampton 1955-6-8 2827 Sonoma Sonoma County, 7 miles northwest of Calistoga, along State Highway 128. Comment
  UCD88610  Melica subulata B. Crampton 1955-6-17 2962 Sonoma 2 miles east of Fort Ross. Comment
  CAS-BOT-BC262554  Melica torreyana G. DeNevers 1981-5-7 1006 Sonoma Pepperwood Ranch. By confluence of Leslie Creek with Mark West Creek Comment
  CAS-BOT-BC262564  Melica torreyana Lewis S. Rose 1965-4-4 65022 Sonoma 1 mi. north of Sonoma 60 Comment
  POM118379  Melica torreyana Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  SEINET196998 Image available Melica torreyana W. S. Boyle 1942-4-26 1076 Sonoma Between Petrified Forest and Mark West at jct of side road to Santa Rosa 380 Comment
  UCD151184  Melica torreyana James A. Neilson Jr. 1974-4-17 3006 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 Comment
  SEINET10599669  Melica torreyana A. Arthur Heller 1902-3-17 Heller 5084 Sonoma Hills near Santa Rosa. Comment
  UCD89206  Melica torreyana R. Tofsrud 1942-4-1 299 Sonoma Wooded hill between S.R. and County farm. Comment
  HSC15018  Melilotus indicus S. N. Wiemeyer 1962-4-20 30 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UCR19128  Melissa officinalis John C. Roos 1948-4-28 3958 Sonoma North Coast Ranges, Healdsburg, Mill Creek - Barrell Spring Comment
  RSA785663  Mentha Peter Rubtzoff 1966-10-9 5831 Sonoma Brooks Gulch Marsh. Comment
  RSA788368  Mentha Peter Rubtzoff 1960-10-29 4584 Sonoma Laguna de Santa Rosa, east of Graton (btwn. Occidental and Guereville Road). Comment
  RSA94355  Mentha pulegium Peter Rubtzoff 1951-7-14 458 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  UC187861  Mentha pulegium Edw. L. Greene 1888-8-30 Sonoma above S. Rosa <Santa Rosa?> (<Santa Rosa?>); above S. Rosa <Santa Rosa?> Comment
  UCR244649  Mentha rotundifolia Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh Comment
  RSA785144  Mentha spicata Peter Rubtzoff 1973-8-28 7275 Sonoma Upper Green Valley Marsh. Comment
  JEPS42867  Mentzelia laevicaulis var. laevicaulis W. L. Jepson 1921-9-8 9429 Sonoma Russian River, Healdsburg Comment
  CAS-BOT-BC428954  Micranthes californica G. DeNevers 1981-3-14 547 Sonoma Pepperwood Ranch. Pippindale farm, 7 mi. NE of Santa Rosa, near Mark West lodge. In the 1st E fork of the N fork Comment
  CAS-BOT-BC429002  Micranthes fragosa Milo S. Baker 1928-3-1 2737 b Sonoma Golf Club Links Comment
  UC673613  Micropus amphibolus Herbert L. Mason 1934-4-28 8081 Sonoma four mi w Healdsburg (head of Dohrman Creek); Jensen's Ranch Comment
  SD71410  Micropus amphibolus John Thomas Howell 1965-3-25 41033 Sonoma 3.0 miles southeast of Sonoma. 74 Comment
  UC581112  Micropus californicus var. californicus H. L. Mason 1934-4-28 8077 Sonoma head Dohrmann Creek; Jensen's Ranch Comment
  CAS-BOT-BC348633  Micropus californicus var. californicus Ira L. Wiggins 1949-4-30 12069 Sonoma 4 miles west of Calistoga, just west of county line Comment
  CAS-BOT-BC348734  Microseris bigelovii Francia Chisaki; Peter Kamb 1952-6-21 2304 Sonoma Fort Ross Comment
  CAS-BOT-BC322650  Microseris laciniata F. T. Bioletti 1893-6-10 s.n. Sonoma Los Guilucos Valley Comment
  CAS-BOT-BC322704  Microseris laciniata Carl B. Wolf 1927-9-2 1346 Sonoma 2 miles south Anchor Cove Comment
  CAS-BOT-BC322710  Microseris laciniata John Thomas Howell; Alice Eastwood 1938-7-6 6086 Sonoma Alder Glen Springs Comment
  UC50056  Microseris laciniata subsp. laciniata J. Burtt Davy 1894-6-17 Sonoma Knight's Valley Comment
  CAS-BOT-BC320496  Mimulus Peter Rubtzoff 1955-8-20 2064 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC320521  Mimulus Peter Rubtzoff 1970-6-21 6265 Sonoma Along sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  CAS-BOT-BC320529  Mimulus Peter Rubtzoff 1958-7-5 3748 Sonoma Atascadero Creek Marsh. Comment
  RSA0022560  Mimulus Peter Rubtzoff 1970-6-21 6265 Sonoma Along sluggish tributary of Mark West Creek, ca. 3 mi west of Fulton. Comment
  RSA0025390  Mimulus Peter Rubtzoff 1962-6-19 4918 Sonoma Occidental Marsh. Comment
  JEPS76922  Mimulus aurantiacus var. aurantiacus Robert M. Lloyd 1963-2-24 2057 Sonoma 4 mi s State Highway 12 (above State Highway 1) 15 Comment
  RSA420300  Mimulus aurantiacus var. aurantiacus Ynez Whilton Winblad 1934-6-10 s.n. Sonoma Nob Hill at Monte Rio on the Russian River Comment
  UC1063404  Mimulus aurantiacus var. aurantiacus J. B. Spring May 1932 69 Sonoma Head Hooker Canyon Napa Quadrangle 457 Comment
  UC26690  Mimulus aurantiacus var. aurantiacus Alice Bolton 1888-10-13 Sonoma below Guerneville; Russian River Comment
  CDA11329  Mimulus congdonii G. F. Hrusa 1995-4-2 12039 Sonoma North Coast Biodiversity Arena; Along Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  UC70353  Mimulus guttatus Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  OBI47583  Mimulus guttatus L. F. LaPre 1986-6-3 s.n. Sonoma Dorr Place, 4 mi up a privated rd from Mannings flats in Austin Crk State Recreation Area, 6 mi N of Cazadero on upper Austin Crk. Cazadero Quad 207 Comment
  RSA80596  Mimulus guttatus E. K. Balls, Lee W. Lenz 1952-5-8 17109 Sonoma 3.3 mi. n.e. from Mark West Springs on rd. to Kellogg. 91 Comment
  UC1239049  Mimulus microphyllus Freed W. Hoffman 1947-3-9 814 Sonoma 2 mi e Occidental; North Coast Ranges Comment
  UCD151179  Mimulus microphyllus James A. Neilson Jr. 1974-4-16 2874 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 Comment
  JEPS19397  Mimulus tricolor G. Thomas Robbins 1938-5-19 264 Sonoma sw Santa Rosa (Stony Point Road, near The Lagunas) Comment
  UC1063065  Mimulus tricolor E. Armstrong 1934-4-15 1210 Sonoma near Occidental; Sebastapol Quadrangle 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
  RSA293379  Minuartia douglasii Reino Alava 1958-5-24 2069 Sonoma Hillside about one mile from Graton on the road from Graton to Occidental. Comment
  RSA0010757  Mollugo verticillata Peter Rubtzoff 1961-8-25 4714 Sonoma Forets Hills, east of Guerneville. Open, moist bottom of Russian River. Comment
  UC763168  Monardella purpurea R. F. Hoover 1938-6-14 3609 Sonoma 3 mi west Graton on road to Occidental Comment
  UCD67624  Monardella purpurea D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. 800 Comment
  SBBG7673  Monardella sheltonii C. Bornstein, E. Collins 2006-8-23 Sonoma Bohemian Hwy, along rd above Dutch Bill Crk 45 Comment
  CAS-BOT-BC220503  Monardella villosa John Thomas Howell 1929-6-30 6316 Sonoma 6 miles from Petrified Forest on road to Knights Valley Comment
  UCD125249  Monardella villosa Frederica Bowcutt 1984-6-23 420 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. West of Hwy 1. Immediately north of Gerstle Cove near large parking lot. 15 Comment
  UCD38476  Monardella villosa Beecher Crampton 1955-6-17 2970 Sonoma State Hwy. 1, 3.5 miles south of Fort Ross. Road cut on bluffs above the sea. Comment
  UC1561918  Monardella villosa subsp. franciscana Barbara Ertter 1989-6-19 8592 Sonoma Dry knoll S of junction Highway 1 and road to Goat Rock Beach S Russian River Comment
  UC634860  Monardella villosa subsp. franciscana H. L. Mason 1928-7-10 4883 Sonoma Near Ocean, Jenner Comment
  CAS-BOT-BC314157  Monardella villosa subsp. subserrata Peter Rubtzoff 1952-6-3 1143 Sonoma South slopes of Fitch Mtn, near Healdsburg. Comment
  CAS-BOT-BC314204  Monardella villosa subsp. villosa H. D. Ripley; R. C. Barneby 1945-6-22 6939 Sonoma N. of Jenner 30 Comment
  UCLA62411  Monardella villosa subsp. villosa unknown 1841-1-1 Sonoma Bodega Comment
  CAS-BOT-BC220699  Monardella viridis Milo S. Baker 1934-6-20 7654 Sonoma Youngman Ranch 2 1/2 mi N.E. of Glen Ellen Comment
  SEINET12324056  Monardella viridis W. Knight, Knight, I. 1982-1 4600 Sonoma 2 mi up Pythian Road from Los Guilicos School for Girls near Kenwood, on Hoods Peak 305 Comment
  CAS-BOT-BC166932  Montia Peter Rubtzoff 1974-4-17 7371 Sonoma Upper Green Valley Marsh area. Comment
  UC72571  Montia fontana Milo S. Baker 1898-5-10 Sonoma Hills e of Santa Rosa Comment
  CAS-BOT-BC444983  Montia fontana R. Bacigalupi 1948-3-6 2856 A Sonoma At junction of roads from Stewart's Point and Annapolis, on road from Skaggs Springs, NW Sonoma County Comment
  UC634934  Montia fontana H. L. Mason 1926-3-20 2752 Sonoma s of Calistoga (along railroad right-of-way) Comment
  UC1713747  Montia parvifolia Milo S. Baker 1902-7-5 Sonoma Sonoma Creek Canyon Comment
  JEPS128370  Muhlenbergia andina Roger Raiche 1999-8-28 028 .99 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC515646  Muilla maritima Peter H. Raven 1950-4-6 1567 Sonoma Cotati to Santa Rosa Comment
  UCD119515  Myosotis discolor Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1795 Sonoma About 40 air miles N of San Francisco; ~11 air miles E of Santa Rosa; ~18 air miles NW of Napa; ~1.5 air miles NE of Kenwood. In main campground ~150 yards S of Sonoma Creek; 1/4 mile NW of confluence w/Rattlesnake Creek at the toe of Sugarloaf Ridge. 350 Comment
  CAS-BOT-BC257695  Myosurus Peter Rubtzoff 1970-5-30 6238 Sonoma 5 miles north of Sears Point. Comment
  RSA94652  Myrica californica Peter Rubtzoff 1952-3-23 876 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the upper marsh. Comment
  SEINET12185201  Myriophyllum aquaticum W. Knight, Knight, I. 1984-1 6367 Sonoma Willow brook, 2 mi N of Petaluma Comment
  CAS-BOT-BC456192  Najas guadalupensis Peter Rubtzoff 1973-8-27 s.n. Sonoma Upper Green Valley Marsh area. Comment
  UCD87801  Nassella lepida A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3559 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  UCD144430  Nassella lepida Frederica Bowcutt 1996-5-19 2127 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 N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon firebreak (narrow) btw. lower Bald Mtn. and Bald Mt. Trail. 487 Comment
  UC1133204  Nassella pulchra H. S. Yates 1937-5-30 6549 Sonoma 4 mi nw Graton; Sebastopol Quadrangle Comment
  CAS-BOT-BC60517  Nasturtium officinale Peter Rubtzoff 1951-6-9 173 Sonoma Pitkin Marsh near Forestville. Lower part of the Upper Marsh. Comment
  UCD161268  Nasturtium officinale James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3684 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of Big Sulphur Creek and the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  SEINET12010247  Nasturtium officinale F. H. Utech 1988-5-21 88 -230 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1 100 Comment
  UCD116060  Nasturtium officinale Ella Dales Cantelow 1938-5-7 2389 Sonoma 8 mi. S. of Fort Ross. Comment
  JEPS70255  Navarretia cotulifolia W. L. Jepson 1921-6-3 9307 Sonoma s of Santa Rosa (near Wilfred station); Cotati Valley 28 Comment
  UC952866  Navarretia heterodoxa Milo S. Baker Aug 1950 12308 Sonoma near Kenwood (Hope Valley a short distance s of summit above Coleman Ranch); Hope Valley Comment
  UCD39804  Navarretia intertexta Collector Unknown 1947-5-16 Sonoma 4.5 miles E. of Windsor. Comment
  HSC100966  Navarretia intertexta subsp. intertexta Peter Warner, Sarah Gordon 2011-5-27 205 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), ~675 m, N75 deg. E from main residence, E from Mark West Creek Rd., S of 2nd bridge below power lines. 159 Comment
  POM279099  Navarretia jepsonii Lyman Benson 1930-6-18 s.n. Sonoma South of Santa Rosa. 61 Comment
  CAS-BOT-BC230368  Navarretia leucocephala subsp. bakeri Peter Rubtzoff 1961-7-22 4672 Sonoma Bennett Mountain Lake Comment
  UC30204  Navarretia leucocephala subsp. bakeri H. N. Bolander 1866-1 3893 Sonoma Mark West Creek Comment
  SEINET191588  Navarretia pubescens Lewis S. Rose 1940-5-22 40371 Sonoma Sonoma 30 Comment
  CAS-BOT-BC233610  Navarretia pubescens Milo S. Baker 1925-6-28 149 a Sonoma Maple Glen near Kenwood Comment
  UC1719857  Navarretia pubescens David Fruchter 1978-9-17 98 Sonoma Diamond D. Comment
  UC909750  Navarretia squarrosa Milo S. Baker 1950-7-25 12310 Sonoma near mouth of Adobe Canyon (in yard of Mrs. Silva); Sonoma Canyon Comment
  CDA15294  Navarretia squarrosa P. Lane 1998-7-17 s.n. Sonoma North Coast Biodiversity Arena; on Lakeville Hwy near Petaluma. 0 Comment
  UCD37159  Navarretia squarrosa Beecher Crampton 1957-7-22 4364 Sonoma Sonoma County, Sonoma Coast State Park, 8.2 miles north of Stewart's Point. Comment
  UC353820  Navarretia viscidula Milo S. Baker 1928-6-28 3196 b Sonoma Pitkin Farm Comment
  UC631639  Navarretia viscidula G. Thomas Robbins 1938-6-23 270 Sonoma just e Pitkin Marsh; Vine Hill Region Comment
  UC606893  Nemophila heterophylla L. Constance 1938-4-24 2151 Sonoma 2 mi ne Bodega (Salmon Creek); , ne of Bodega 91 Comment
  POM180750  Nemophila heterophylla J. T. Howell 1929-6-30 4315 Sonoma 6 miles from Petrified Forest on road to Knights Valley. Comment
  UCD160137  Nemophila menziesii James A. Neilson Jr. 1974-3-27 3009 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  HSC34933  Nemophila menziesii Thomas W. Nelson, MarJames Nelson 1975-3-25 1755 Sonoma Beside Hwy. 128 E of Geyserville Comment
  UC972194  Nemophila menziesii Milo S. Baker 1952-3-20 12392 Sonoma Western outskirts of Sonoma 5th St. near Bettencourt; western outskirts of Sonoma Comment
  SDSU6106  Nemophila menziesii subsp. atomaria D. F Howe 1972-5-1 4815 Sonoma Duncun Point Comment
  UCD158879  Nemophila menziesii var. atomaria James A. Neilson Jr. 1975-3-27 s.n. Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  UCD120243  Nemophila menziesii var. atomaria Caitlin Lewis; William Mutch 1993-4-17 3 Sonoma About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile. Near visitor center. 365 Comment
  POM216812  Nemophila menziesii var. menziesii H. F. Copeland 1933-3-18 s.n. Sonoma Field northeast of Santa Rosa. Comment
  UCD120253  Nemophila menziesii var. menziesii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 70 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail. 381 Comment
  CAS-BOT-BC157698  Nicotiana Peter Rubtzoff 1958-8-30 3939 Sonoma Vacation Beach, near Guerneville, along Russian River Comment
  UC161225  Nuphar lutea subsp. polysepala V. King Chesnut Jul 1 1887-Aug 1 1887 Sonoma Santa Rosa Comment
  CAS-BOT-BC140453  Oemleria cerasiformis Marcus E. Jones 1882-7-18 3578 Sonoma Duncan's Mills Comment
  JEPS15790  Oenanthe sarmentosa M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 239 Sonoma near Guerneville (Russian River); Russian River Comment
  RSA799988  Oenothera Peter Rubtzoff 1971-5-8 6441 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mi west of Arnold Drive. Comment
  SEINET6171222 Image available Orobanche bulbosa Sally Walker 1984-7-22 Sonoma Schoolhouse beach Comment
  UCSB6225  Orobanche fasciculata Kamb, Peter 1950-6-17 Sonoma "Larkspur Rock", south side of Cheney Gulch, 2.9 miles west of fork in road to Bodega and Valley Ford 30 Comment
  CAS-BOT-BC500334  Orobanche uniflora subsp. occidentalis Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  POM223587  Orthocarpus campestris Milo S. Baker 1936-05 8576 Sonoma Bennett Valley Highway, 0.5 mi east of old Santa Rosa Fair Grounds. Comment
  POM209739  Orthocarpus densiflorus H. E. Parks, Susan T. Parks 1930-5-7 632 Sonoma North end of Knight's Valley. 107 Comment
  POM183041  Orthocarpus faucibarbatus A. A. Heller, H. E. Brown 1902-4-15 5292 Sonoma Santa Rosa. Comment
  RSA80275  Orthocarpus lithospermoides F. W. Peirson, Mabel B. Peirson 1926-4-1 6550 Sonoma 6 miles south of Cloverdale. Comment
  POM15358  Orthocarpus pusillus A. A. Heller, H. E. Brown 1902-4-8 5230 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UC730035  Oxalis Leo F. Koch 1940-4-18 792 Sonoma 5 mi from Gravenstein Hwy (via Cherry Ridge Rd, in severa; orchards) Comment
  UC17201  Oxalis albicans subsp. pilosa Harley P. Chandler 1900-5-25 668 Sonoma Bodega Comment
  HSC34881  Oxalis corniculata Thomas W. Nelson, James Nelson 1975-3-25 1752 Sonoma Beside Hwy. 128 E of Geyserville. Comment
  UCSB7444  Oxalis oregana Keator, Glenn 1959-4-1 Sonoma 1 mile southeast of city limits of Camp Meeker Comment
  CAS-BOT-BC368045  Oxalis pes-caprae Greg de Nevers 1989-4-1 9053 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Strebel, section 26. 400 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
  CAS-BOT-BC376436  Panicum Greg de Nevers 1996-9-22 10878 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Mark West Creek at Leslie Creek. 400 Comment
  UC1146581  Panicum acuminatum var. acuminatum Freed W. Hoffman 1942-6-21 2143 Sonoma at Hillcrest on highway from Forestville to Sebastopol; North Coast Ranges Comment
  UC479421  Panicum acuminatum var. acuminatum Marcus E. Jones, A. M. 1931-7-5 29210 Sonoma The Geysers Comment
  RSA94264  Panicum acuminatum var. acuminatum Peter Rubtzoff 1951-6-7 134 Sonoma Western branch of the Upper marsh; Pitkin Marsh, near Forestville Comment
  UCD89123  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 a. Sonoma Northeast Sonoma County: 'The Geysers'. Comment
  CAS-BOT-BC253799  Panicum hillmanii John H. Thomas 1969-9-21 15476 Sonoma About 1 mile N of Graton along Highway 116 Comment
  CAS-BOT-BC253796  Panicum hillmanii Walter & Irja Knight; Steve Edwards 1984-8-31 5070 Sonoma Along Willow Creek near Stony Point Road between Corona Road and Old Redwood Highway 6 Comment
  SEINET3277114 Image available Panicum thermale Leo Koch 1940-4-22 825 Sonoma Slopes around Sulfur Creek Geysers, east of Cloverdale, Inner North Coast Ranges. Comment
  RSA32186  Parentucellia viscosa Roxana S. Ferris, I. L. Wiggins 1943-4-30 10166 Sonoma 4 miles north of Asti, between Asti and Cloverdale. Comment
  CAS-BOT-BC175546  Parnassia palustris A. T. Graff 1920-10-17 s.n. Sonoma Cazadero Comment
  UCD164207  Paspalum dilatatum Peter Rubtzoff 1978-8-12 9256 Sonoma Russian River at Del Rio Beach, ca 2.5 mi. E of Healdsburg on So. Fitch Mtn. Road. Comment
  UCD88720  Paspalum dilatatum Frederica Bowcutt 1996-5-23 2144 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Entrance to campground in Adobe Canyon. 350 Comment
  CAS-BOT-BC259690  Paspalum dilatatum Richard W. Pohl 1963-6-1 9436 Sonoma Geyser Summit Comment
  CAS-BOT-BC265692  Paspalum distichum Peter Rubtzoff 1951-6-9 181 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  UCD88927  Paspalum distichum David L. Morgan 1955-12-2 s.n. Sonoma Lawn, Sonoma State Home, Eldridge. Comment
  CAS-BOT-BC257363  Pelargonium capitatum Peter Rubtzoff 1970-10-29 6424 Sonoma Bodega Harbor Marsh. Comment
  UCD168038  Pellaea andromedifolia James A. Neilson Jr. 1981-3-13 3991 Sonoma Mayacmas Mountains, east tributary of Hummingbird Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC71483  Pellaea mucronata Walter Knight; Irja Knight 1964-1-17 519 Sonoma Hooker Canyon, Cavedale Rd. Comment
  SEINET12326114  Penstemon heterophyllus W. Knight, Knight, I. 1983-1 4710 Sonoma Calistoga Rd 2.5 mi from State Route 12,300 yds S of summit 152 Comment
  RSA727241  Penstemon heterophyllus subsp. purdyi James L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 miles south of Trinity Road and about 5 miles northeast of CA hwy 12, about 13 airline miles southeast of Santa Rosa. 640 Comment
  JEPS52288  Penstemon heterophyllus var. purdyi Walter Knight and Wayne Roderick 1966-5-26 Sonoma Mark West Springs Comment
  UC146888  Penstemon newberryi var. sonomensis Katharine Brandegee Jun 1910 Sonoma Mt. St. Helena Comment
  UC399579  Pentagramma triangularis subsp. triangularis Mrs. Carlotta C. Hall June 1909 12 Sonoma w of Guerneville (Graystone Trail, w side of canyon) Comment
  UCD127896  Perideridia kelloggii K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC413650  Persicaria amphibia Peter Rubtzoff 1956-9-15 2912 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC413636  Persicaria amphibia John Thomas Howell 1932-9-18 10769 Sonoma Bed of slough draining Kenwood Marsh Comment
  CAS-BOT-BC413639  Persicaria amphibia Peter Rubtzoff 1971-6-25 6556 Sonoma Off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing Comment
  CAS-BOT-BC413660  Persicaria amphibia Peter Rubtzoff 1966-8-16 5781 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Rd. Comment
  CAS-BOT-BC418906  Persicaria hydropiperoides Peter Rubtzoff 1960-9-17 4565 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) Comment
  CAS-BOT-BC418909  Persicaria hydropiperoides Peter Rubtzoff 1958-8-31 3954 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC418901  Persicaria hydropiperoides Peter Rubtzoff 1964-8-20 5471 Sonoma 1 mi. south-east of Jenner (nr. crossing of Hwys. 1 & 12) Comment
  SD99429  Persicaria hydropiperoides Peter Rubtzoff 1954-8-10 1675 Sonoma Bodega Head Marsh, open marshy ground Comment
  CAS-BOT-BC419106  Persicaria lapathifolia W. W. Carruth 1900-7-1 s.n. Sonoma Russian River Comment
  CAS-BOT-BC419109  Persicaria lapathifolia Peter Rubtzoff 1962-10-23 5127 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC419270  Persicaria maculosa Peter Rubtzoff 1969-8-29 6171 Sonoma Beach of Salmon Creek ca. 1/2 mi. upstream from Hwy. #1 Comment
  RSA790299  Petasites frigidus var. palmatus Peter Rubtzoff 1960-6-10 4495 Sonoma Fife Creek Marsh. Comment
  JEPS18122  Petrorhagia nanteuilii Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-31 5676 Sonoma along secondary road following Big Austin Creek (at base of The Butcher Knife); along secondary road following Big Austin Creek 182 Comment
  UCR90865  Petrorhagia nanteuilii Kathy Harper, D. Karr 1994-6-10 s.n. Sonoma North Coast Range, King Ridge Road along Big Austin Creek, north of Cazadero 122 Comment
Read comments Jan 29 2010
  OBI48665  Phacelia californica Joseph Andorfer Ewan 1935-5-12 9225 Sonoma 1.5 mi W of Bodega on Bodega Bay rd Comment
  SJSU7530  Phacelia distans L. S. Rose 1965-4-4 65060 Sonoma 1 mi N of Sonoma 60 Comment
  UC126010  Phacelia distans Alice Eastwood 1893-4-27 Sonoma Hood Mountain Comment
  UCD55067  Phacelia distans Ellen Dean; Tammie Beyerl 2006-4-28 3011 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  RSA177903  Phacelia distans Robert F. Thorne 1965-4-20 34358 Sonoma On Cavedale Road, half mile up from State Highway 12, ca. four miles north of Sonoma. 244 Comment
  JEPS83658  Phacelia egena R. Raiche 1987-5-20 70193 Sonoma N of Cazadero, The Cedars, headwaters of Big Austin Creek, creek branch referred to locally as Azealea Creak. 280 Comment
  SBBG39553  Phacelia imbricata J. T. Howell 1929-6-9 4305 Sonoma 6.5 miiles from Santa Rosa on rd to Petrified Forest Comment
  CAS-BOT-BC329229  Phalaris Peter Rubtzoff 1968-6-25 5913 Sonoma Lichan Marsh. Comment
  CAS-BOT-BC156325  Phalaris angusta Peter Rubtzoff 1972-6-23 6785 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC258846  Phalaris angusta Peter Rubtzoff 1962-5-30 4851 Sonoma Freestone Marsh Comment
  CAS-BOT-BC258947  Phalaris aquatica G. DeNevers 1981-5-30 1404 Sonoma Pepperwood Ranch. 1st Canyons cutting EW on the E slope of Horse Hill Comment
  UCD160753  Phalaris aquatica James A. Neilson Jr. 1975-5-23 3216 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  UCD88043  Phalaris aquatica 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-BC265841  Phalaris arundinacea Peter Rubtzoff 1962-6-21 4943 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road, Sonoma County Marshes Comment
  UC1146650  Phalaris arundinacea Freed W. Hoffman June 1944 2027 Sonoma near Guerneville; North Coast Ranges Comment
  RSA129151  Phalaris californica H. S. Yates 1936-5-16 5621 Sonoma Near Green Valley school. 91 Comment
  CAS-BOT-BC265912  Phalaris lemmonii David L. Morgan 1961-5-4 s.n. Sonoma Field on Stony Point Road near Graventein Highway Comment
  JEPS70603  Phalaris minor Chas. Rule 1846-6-9 Sonoma within one mi of the ocean Jenner; , within one mi of the ocean Comment
  UCD89350  Phalaris paradoxa A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3576 Sonoma Corner of Wright Road and Rt. 12 in outskirts of Santa Rosa. Comment
  CAS-BOT-BC260875  Phleum pratense David L. Morgan 1955-7-10 s.n. Sonoma 5th St., Petaluma Comment
  CAS-BOT-BC135032  Phoradendron bolleanum Catherine Best 1981-5-2 s.n. Sonoma Harrison Grade Rd 2 miles N of Occidental Comment
  RSA183404  Phoradendron densum Del Wiens 1960-6-14 2724 Sonoma Ca 4 miles SE of Monte Rio on road to Camp Meeker. Comment
  UC762700  Phoradendron densum Robert F. Hoover 1941-6-7 5311 Sonoma 2 mi. s.e. Monte Rio (on rd. to Camp Meeker) Comment
  CAS-BOT-BC171216  Phoradendron serotinum subsp. tomentosum F. G. Krauss 1895-2-23 s.n. Sonoma Knights Valley Comment
  CAS-BOT-BC171219  Phoradendron serotinum subsp. tomentosum G. De Nevers 1981-4-30 899 Sonoma Pepperwood Ranch. At the Pippindale Garden Comment
  CDA36258  Phyla nodiflora M. Lennox & D. Curle 2011-11-21 PDR# 1465997 Sonoma Hwy 121 Bridge (Tolay Creek). 0 Comment
  UCD138370  Phyllospadix scouleri P. G. Connors 1993-6-6 316 Sonoma Bodega Head and Dunes. Horseshoe Cove. Comment
  UCD138381  Phyllospadix torreyi P. G. Connors 1993-6-6 317 Sonoma Bodega Head and Dunes. Horseshoe Cove. 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-BC140492  Physocarpus Alice Eastwood 1915-6-5 4579 Sonoma Petrified Forest Comment
  CAS-BOT-BC140615  Physocarpus capitatus Lester Rowntree 1932-6-11 s.n. Sonoma Bodega Comment
  CAS-BOT-BC140627  Physocarpus capitatus Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy 1 mi north of Freestone Comment
  UCSC000358  Physocarpus capitatus H. S. Yates 1934-4-21 3801 Sonoma near Bodega - Duncan Mills 61 Comment
  POM20260  Pickeringia montana var. montana Michener, Bioletti 7160 Sonoma Hoods Peak Comment
  POM316057  Pinus muricata Patricia Wilder 1965-6-10 3652 Sonoma Seaview road, ca. 1 miles north of junction with Fort Ross road. 549 Comment
  UC72232  Piperia transversa Milo S. Baker 1904-6-20 Sonoma near Maple Glen Comment
  CAS-BOT-BC164673  Plagiobothrys Peter Rubtzoff 1971-7-3 6590 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  CAS-BOT-BC166944  Plagiobothrys Peter Rubtzoff 1969-5-3 6018 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  RSA785154  Plagiobothrys Peter Rubtzoff 1969-5-3 6016 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  CAS-BOT-BC155000  Plagiobothrys Peter Rubtzoff 1970-5-30 6237 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC157650  Plagiobothrys Peter Rubtzoff 1971-5-8 6443 Sonoma E foothills of Sonoma Mtns. On Sobre Vista Road, 0.9 mi. W of Arnold Drive. Comment
  CAS-BOT-BC157652  Plagiobothrys Peter Rubtzoff; H. A. Froebe 1971-5-16 6455 Sonoma Duncans Mills Marsh. Comment
  SEINET3101780  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-12 s.n Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCD35301  Plagiobothrys greenei Beecher Crampton 1955-4-5 2413 Sonoma 2 miles southwest of Windsor. Comment
  RSA0062817  Plagiobothrys reticulatus Greg de Nevers 1989-04 9070 Sonoma Pepperwood Ranch, 3450 Franz Valley Road. By Murrys Gate. 100 Comment
  RSA788371  Plagiobothrys reticulatus Peter Rubtzoff, H. A. Froebe 1971-5-16 6455 Sonoma Duncans Mills Marsh. Comment
  RSA31970  Plagiobothrys reticulatus var. rossianorum A. A. Heller 1938-5-14 15081 Sonoma In a field just back of the sea north of Bay, Bodega Bay. Comment
  POM126230  Plagiobothrys stipitatus Michener, Bioletti 1892-5-1 s.n. Sonoma Shellville. Comment
  SD130522  Plagiobothrys tenellus F. Almeda, G. DeNevers 1981-3-30 4892 Sonoma southeast facing slopes just west of the Redwood Canyon. Comment
  UCR279888  Plagiobothrys undulatus Peter Rubtzoff 1972-5-25 6771 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  UC66146  Plantago erecta A. A. Heller 1902-3-27 5167 Sonoma w base of Mt. Hood Mt. Hood Comment
  UCD124450  Plantago erecta Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 31 Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. Comment
  SDSU1027  Plantago erecta D. F. Howe 1972-5-3 4819 Sonoma 4 miles north of Fort Ross. Comment
  UCD158728  Plantago lanceolata Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 2 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 853 Comment
  UCD166337  Plantago subnuda Peter Rubtzoff 1968-7-29 5922 Sonoma Upper Salmon Creek Marsh. Comment
  UC118433  Platystemon californicus Katharine Brandegee 1905-6-25 Sonoma Bodega Head; Cliffs of Bodega Head Comment
  SD130425  Platystemon californicus F. Almeda, G. DeNevers 1981-3-30 4882 Sonoma Vicinity of the Bechtel Cabin. Comment
  UC725594  Plectritis brachystemon A. A. Heller 1938-5-14 15088 Sonoma just e of Bodega Bay (at Fort Ross); Fort Ross Comment
  CAS-BOT-BC260925  Pleuropogon californicus Mary P. Wells 1984-4-23 189 Sonoma Rincon Valley, Santa Rosa Comment
  UC25113  Pleuropogon californicus G. Thomas Robbins with Hsuan Keng and Erika Amstutz 1959-4-3 3967 Sonoma ne of Santa Rosa (Rincon Valley, along Montecito Road, w of Middle Rincon Road); Rincon Valley 86 Comment
  CAS-BOT-BC368081  Pleuropogon californicus Greg de Nevers 1998-4-28 11207 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge Comment
  RSA0057956  Pleuropogon californicus Greg de Nevers 1998-4-28 11207 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge. Comment
  CAS-BOT-BC260980  Pleuropogon californicus var. californicus Lewis S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  CAS-BOT-BC260982  Pleuropogon californicus var. californicus David L. Morgan 1956-5-17 s.n. Sonoma Watmaugh Road 1/2 mile west of junction of Arnold Drive Comment
  UCD90180  Pleuropogon californicus var. californicus R. Tofsrud 1941-3-1 s.n. Sonoma somewhere just south of Santa Rosa. Comment
  UCD90182  Pleuropogon californicus var. californicus R. Tofsrud 1942-4-1 s.n. Sonoma 1/2 mile north of Lewis School, Santa Rosa. Comment
  UCD90194  Pleuropogon californicus var. californicus R. Tofsrud 1949-4-1 s.n. Sonoma south of East Windsor. Comment
  UCD90234  Pleuropogon californicus var. davyi R. E. Preston 1996-4-22 930 Sonoma ca. 4.3 miles E.S.E. of Hopland. Comment
  NY431399  Pleuropogon hooverianus P. P. But 1975-5-17 P 4 Sonoma Along Bohemian Hwy. at Freestone Flat Road, 0.5 mile from Freestone Comment
  CAS-BOT-BC422342  Poa Peter Rubtzoff 1976-5-30 8560 Sonoma Kenwood Marsh. Comment
  RSA0021492  Poa Peter Rubtzoff 1976-5-30 8557 Sonoma Kenwood Marsh Comment
  UCD92204  Poa Collector Unknown 1941-4-1 380 Sonoma S. R. Creek Canyon. Comment
  UCD92205  Poa Collector Unknown 1941-4-1 381 Sonoma field east of old S. R. Cemetary. Comment
  CAS-BOT-BC255606  Poa annua Greg de Nevers 1981-4-2 612 Sonoma Pepperwood Ranch. Horse Hill mesa Comment
  CAS-BOT-BC255609  Poa annua G. DeNevers 1981-3-14 544 Sonoma Pepperwood Ranch. Pippindale farm, 7 miles NE of Santa Rosa near Mark West lodge, along Leslie Road, opposite the grey willows Comment
  CAS-BOT-BC255601  Poa annua Mary P. Wells 1981-4-18 s.n. Sonoma Community garden, The Sea Ranch Comment
  HSC10653  Poa bulbosa C. S. Chavez 1965-4-19 45 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  UCR239725  Poa bulbosa G. Fred Hrusa, R. Gross 1995-4-1 12034 Sonoma Foote Ranch at northeast corner of Hwy 128 and Ida Clayton Road. Knights Valley 150 Comment
  CAS-BOT-BC256034  Poa pratensis Peter Rubtzoff 1958-5-3 3612 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC256025  Poa pratensis David L. Morgan 1961-5-13 s.n. Sonoma Western Ave. and Liberty St., Petaluma Comment
  JEPS75077  Poa pratensis subsp. pratensis Edward Lee 1934-4-30 754 Sonoma 1 mi w 2 Rock Junction Comment
  UC573876  Poa pratensis subsp. pratensis H. S. Yates 1936-5-16 5602 Sonoma 2 mi se Forestville (Pithens Marsh); Sebastopol Quadrangle Comment
  CAS-BOT-BC243252  Poa secunda subsp. secunda G. DeNevers 1981-4-25 803 Sonoma Pepperwood Ranch. Along Franz Valley Road below lower Pepperwood entrance Comment
  UC1024766  Poa secunda subsp. secunda Leo Whitney 1935-3-16 2266 Sonoma near Occidental Occidental Comment
  RSA144371  Poa trivialis Roxana S. Ferris, Laura Lorraine 1961-6-14 13542 Sonoma Willow Creek road between Occidental and Jenner, 5.7 miles from Jenner Comment
  RSA227230  Poa trivialis Peter Rubtzoff 1960-6-8 4466 Sonoma Fife Creek Marsh. Comment
  UCD92150  Poa unilateralis P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  CDA40767  Pogogyne douglasii subsp. minor Peter Rubtzoff 1971-7-9 6600 Sonoma 4.25 miles west of Glen Ellen. 0 Comment
  JEPS86354  Pogogyne douglasii subsp. parviflora Jack and Betty Guggolz 1988-5-10 930 Sonoma Grill Property, on east side of Old Redwood Hwy, just north of its intersection with Starr Road Comment
  CAS-BOT-BC376254  Pogogyne serpylloides Greg de Nevers 1995-5-5 10719 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Weimar Flat roadbed vernal pools 487 Comment
  CDA11013  Polycarpon tetraphyllum G. F. Hrusa 1993-3-14 10527 Sonoma North Coast Biodiversity Arena; NW base of Mt. St. Helena. Foote Ranch, approx 10 m N of Calistoga on Hwy 128. 152 Comment
  RSA177923  Polygala californica Robert F. Thorne 1965-4-20 34371 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  UC450151  Polygala californica Milo S. Baker 1898-6-11 657 Sonoma Little Sulphur Creek Comment
  UCD109700  Polygala californica K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  SEINET12205239  Polygala californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -088 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 244 Comment
  CAS-BOT-BC414111  Polygonum aviculare subsp. aviculare G. DeNevers 1981-6-8 1507 Sonoma Pepperwood Ranch. In Pippindale Garden Comment
  CAS-BOT-BC414116  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1956-9-14 2887 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC414119  Polygonum aviculare subsp. aviculare A. A. Heller 1902-6-11 5693 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  RSA94327  Polygonum hydropiperoides Peter Rubtzoff 1951-7-1 349 Sonoma Margin of Creek at Hwy 12, SE of Forestville Comment
  RSA234547  Polygonum lapathifolium Peter Rubtzoff 1955-8-7 2030 Sonoma Guerneville Marsh. Comment
  SEINET11935790  Polygonum lapathifolium W. Knight, Knight, I. 1984-1 Sonoma Willow Creek, 2 mi N of Petaluma Comment
  CAS-BOT-BC109248  Polygonum paronychia Walter Knight; Irja Knight 1963-8-23 205 Sonoma Horseshoe Cove. 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
  JEPS79669  Polypodium glycyrrhiza Edward Lee 1978-12-2 4776 Sonoma e Santa Rosa (s side Spring Creek Canyon, Spring Creek trail ca. 50 m s of Canyon Trail junction); Annadel State Park, Spring Creek Canyon Comment
  CAS-BOT-BC312688  Polypogon Peter Rubtzoff 1986-7-13 9723 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC1153915  Polypogon Beecher Crampton 1957-5-16 4040 Sonoma Hot Springs Road 3 mi sw Cloverdale 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
  UCD92446  Polypogon Beecher Crampton 1957-5-16 4040 Sonoma 3 miles SW of Cloverdale, Hot Springs Road. Comment
  CAS-BOT-BC233192  Polypogon interruptus Peter Rubtzoff 1958-7-26 3802 Sonoma Laguna de Santa Rosa, E of Sebastopol Comment
  HSC10826  Polypogon interruptus C. S. Chavez 1965-6-9 84 Sonoma 1 mi. S of Guerneville on Hwy. 116, bank of Russian River. Comment
  RSA129381  Polypogon interruptus H. S. Yates 1937-6-6 6584 Sonoma 3 miles east of Jenner. 61 Comment
  UCD51668  Polypogon interruptus Harry Goff; Virginia Bufford 1935-5-22 62 Sonoma foot of Hood Mt. Comment
  CAS-BOT-BC233227  Polypogon maritimus Peter Rubtzoff 1962-9-16 5084 Sonoma Russian River bottom, Vacation Beach, 2 miles below Guerneville Comment
  UCD84097  Polypogon maritimus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  CAS-BOT-BC237397  Polypogon monspeliensis Walter Knight; Irja Knight 1963-12-27 815 Sonoma Pine Flat Road. Circle 8 Ranch Comment
  UCD91308  Polypogon monspeliensis Beecher Crampton 1964-8-18 7141 Sonoma Northeast Sonoma County: 'The Geysers'. Geyser Creek. Comment
  HSC76929  Polystichum californicum R. W. Becking 1983-6-28 Sonoma Glen Ellen, Bouverie Audubon Preserve. Watershed of Stuart Creek in top-most redwood grove Comment
  UC42098  Polystichum californicum F. T. Bioletti 1891-12-25 Sonoma Sonoma Comment
  SEINET11718544  Polystichum californicum W. Knight, Knight, I.; Edwards, S. W. 1986-1 5509 Sonoma 2.75 mi from end of Mill Creek Road Comment
  CAS-BOT-BC72481  Polystichum munitum J. W. Congdon 1892-5-31 s.n. Sonoma Cazadero Comment
  SBBG298  Polystichum munitum H. and M. Dearing 1939-5-15 3386 Sonoma N of Fort Ross Comment
  RSA12253  Polystichum munitum C. B. Wolf 1934-6-29 5798 Sonoma 6/10 mile inland from Stewarts Point. 61 Comment
  CAS-BOT-BC102668  Populus fremontii Peter Rubtzoff 1973-10-10 7335 Sonoma Forestville Marsh area, field ca. 25 yards from creek draining the Forestville Marsh Comment
  UCD166102  Potamogeton foliosus Peter Rubtzoff 1971-9-1 6667 Sonoma Spring Creek Reservoir area, east of Santa Rosa. 87 Comment
  UCR244636  Potamogeton nodosus Peter Rubtzoff 1971-6-25 6552 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  CAS-BOT-BC272848  Potamogeton nodosus Peter Rubtzoff 1974-6-22 7619 Sonoma Bennett Mountain Lake. Comment
  CDA836  Potamogeton nodosus P. F. Wright 1964-8-17 Sonoma Sherman Finch, Santa Rosa Soil Conservation, Santa Rosa. 0 Comment
  CAS-BOT-BC454021  Potamogeton pectinatus Peter Rubtzoff 1954-8-3 1631 Sonoma Lower Salmon Creek Marsh. Comment
  RSA800893  Potamogeton pusillus Peter Rubtzoff 1973-8-27 7269 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC454082  Potamogeton pusillus subsp. pusillus Peter Rubtzoff 1963-7-27 5214 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC141959  Potentilla anserina subsp. pacifica Walter Knight; Irja Knight 1963-8-13 212 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC141961  Potentilla anserina subsp. pacifica Alice Eastwood 1917-5-13 s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC141951  Potentilla anserina subsp. pacifica Peter Rubtzoff 1960-5-18 4386 Sonoma Bodega Head Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141956  Potentilla anserina subsp. pacifica Peter Rubtzoff 1959-6-13 4127 Sonoma Willow Creek Marsh - Sonoma County Marshes Comment
  SD37703  Potentilla norvegica Edith A. Purer 1932-7-24 4068 Sonoma Roadside from Bodega Bay to Santa Rosa-canon Comment
  CAS-BOT-BC354314  Prosartes Peter Rubtzoff 1957-5-4 3316 Sonoma Duncans Mills Marsh area. Comment
  UCD168045  Prosartes hookeri James A. Neilson Jr. 1981-3-13 3998 Sonoma Mayacmas Mountains, Hummingbird Creek, Squaw Creek drainage. (Exact location unknown, coordinates estimated by label maker.) Comment
  SEINET13947122 Image available Prunella vulgaris A. A. Heller 1902-1 5639 Sonoma Santa Rosa Comment
  CDA40757  Prunella vulgaris subsp. lanceolata G. D. Barbe 1982-5-27 3617 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Scaggs Spring Road. Comment
  NY622090  Prunella vulgaris var. atropurpurea A. A. Heller 1902-6-4 5639 Sonoma Santa Rosa Comment
  UC1288496  Prunella vulgaris var. lanceolata Andrew P. Nelson 1960-8-3 646 Sonoma Pitkin Marsh Comment
  UCD160846  Prunus virginiana var. demissa James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 s.n. Sonoma Truit Creek. (Coordinates, and elevation estimated by label maker.) 426 Comment
  CAS-BOT-BC356923  Pseudognaphalium californicum Peter Rubtzoff 1952-6-10 1231 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC356928  Pseudognaphalium californicum G. DeNevers 1981-7-25 1872 Sonoma Pepperwood Ranch. In Garrison Canyon Comment
  UCD135219  Pseudognaphalium stramineum P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  HSC2215  Pseudognaphalium stramineum Roxana S. Ferris 1937-8-18 9375 Sonoma At mouth of Salmon Creek on Bodega Bay Comment
  CAS-BOT-BC80179  Pseudotsuga menziesii Irja Knight; Walter Knight 1963-12-27 464 Sonoma Pine Flat Rd., Circle 8 Ranch Comment
  CAS-BOT-BC80180  Pseudotsuga menziesii Irja Knight; Walter Knight 1964-11-9 801 Sonoma Adjacent to old Ocean School, Willow Creek Road Comment
  CAS-BOT-BC176115  Psilocarphus Peter Rubtzoff 1963-7-14 5203 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC176171  Psilocarphus Peter Rubtzoff 1966-5-30 5746 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC176176  Psilocarphus Peter Rubtzoff 1970-5-16 6228 Sonoma 5 miles north of Sears Point. 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
  UCD166219  Psilocarphus Peter Rubtzoff 1970-5-30 6250 Sonoma 5 miles north of Sear Point. Comment
  UCD150849  Psilocarphus chilensis Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  CAS-BOT-BC361862  Psilocarphus oregonus Alice Eastwood 1921-4-24 10330 Sonoma Santa Rosa Comment
  HSC100954  Psilocarphus oregonus Peter Warner 2011-5-13 193 Sonoma Jenner Headlands, Dairy Field, northern area, S of Johnson Ranch,along cattle trails, ~250 m E of Hwy. 1. 77 Comment
  UCD133718  Psilocarphus tenellus var. tenellus Frederica Bowcutt 1996-5-21 2142 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon, campfire center, N of Somoma Creek about 40 meters. 365 Comment
  UCR222563  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2010-6-5 16252 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
  POM165161  Pterostegia drymarioides A. A. Heller, H. E. Brown 1902-5-27 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC366943  Pyracantha crenulata Greg de Nevers 1993-7-10 10474 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa in creek W of Finnel cabin 400 Comment
  UCD45329  Quercus X chasei John Thomas Howell 1946-8-17 22859 Sonoma Lloyd Voit Ranch west of Cummingham, Sonoma County. Comment
  RSA34661  Quercus X ganderi G. Ledyard Stebbins 1943-6-18 3364 Sonoma 2.5 miles N of Cotati; on road to Sebastopol. Comment
  CAS-BOT-BC104296  Quercus X morehus D. E. Breedlove 1976-3-27 39441 Sonoma along Dry Creek Road, ca. 3 miles past Warm Springs Dam Comment
  SEINET12029927  Quercus X morehus W. Knight, Knight, I.; Howell, J. T. 1984-1 5081 Sonoma 1.85 mi up Cavedale Rd. from hwy 12 130 Comment
  UC503093  Quercus agrifolia Joseph P. Tracy 1930-11-30 9273 Sonoma below Knights Valley; North Coast Ranges 152 Comment
  UCD45135  Quercus agrifolia Christine Lee 1993-4-23 87 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Hillside Trail. Elev. 1400'. 426 Comment
  CDA12908  Quercus agrifolia var. agrifolia G. F. Hrusa, R. Gross 1996-3-31 12741 Sonoma North Coast Biodiversity Arena; On flats near residences of Foote Ranch, NE corner of Hwy 128 and Ida Clayton Rd. Approx. 10 m. N of Calistoga. Comment
  CDA11972  Quercus berberidifolia G. F. Hrusa, J. Pfeiffer 1995-9-23 12464 Sonoma North Coast Biodiversity Arena; Lower elevations below Cavedale Edaphic Island, on Cavedale Rd. Approx. 2.7 m. E of Hwy. 12. Comment
  CAS-BOT-BC62719  Quercus chrysolepis Greg de Nevers 1981-6-27 1675 Sonoma Paperwood Ranch. Walk up the Creek from Frank Valley Road through the Devil's Kitchen Comment
  UC1193272  Quercus douglasii G. W. Tourtillott 1950-4-28 14 Sonoma 1 mi e Hale ranch; Sulphur Creek 213 Comment
  CAS-BOT-BC79570  Quercus dumosa G. De Nevers 1981-9-5 1822 Sonoma In the W arm of the Garrison Canyon Comment
  SEINET12029928  Quercus dumosa W. Knight, Knight, I.; Howell, J. T. 1984-1 5078 Sonoma 0.4mi up Cavedale Rd from State Tr-12 91 Comment
  CAS-BOT-BC94151  Quercus durata G. De Nevers 1981-9-12 1936 Sonoma Pepperwood Ranch, on hill top N of Bechtel Cabin Comment
  SEINET12030395  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5101 Sonoma 3.1 mi up Cavedale Rd from jct of State Rt #12 Comment
  OBI70567  Quercus durata var. durata D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .283 Sonoma Cavedale Rd 518 Comment
  SJSU16080  Quercus garryana Allen W. Jacobs 1934-8-1 3 Sonoma Found near the Hilton on NW slope above the Russian River Comment
  UC1135605  Quercus garryana J. B. Spring 1932-7-8 102 Sonoma Alta Vista Napa Quad. 304 Comment
  UCD46086  Quercus garryana var. garryana J. M. Tucker 1950-11-19 2016 Sonoma 9.8 miles south of Healdsburg, beside road to Rio Nido, Sonoma County, California. Comment
  HSC100879  Quercus garryana var. garryana Peter Warner 2011-6-16 218 Sonoma Jenner Headlands property, ~3 mi. NW of Jenner, lower Russian Gluch, near large rock outcrop downslope from Muniz Ranch Rd., ~400 m N20 deg. E from Hwy. 1 Russian Gulch Bridge. 27 Comment
  CAS-BOT-BC94707  Quercus john-tuckeri Chester Dudley 1936-5-1 s.n. Sonoma Indian Creek between Creston and Comatti Comment
  UC478894  Quercus kelloggii Marcus E. Jones, A. M. 1931-7-5 28847 Sonoma The Geysers Comment
  UC5630  Quercus kelloggii unknown 1899-6 111 Sonoma Asti Comment
  CAS-BOT-BC62808  Quercus lobata Mary P. Wells 1984-6-4 327 Sonoma North Court Friends House, Rincon Valley, Santa Rosa Comment
  JEPS46680  Quercus lobata W. L. Jepson 1902-11-12 Sonoma Cloverdale Comment
  UC1042517  Quercus lobata Peter Rubtzoff 1951-11-24 836 Sonoma near Forestville (s of the Upper Marsh); Pitkin Marsh Comment
  UCD46789  Quercus lobata G. L. Stebbins Jr. 1945-10-7 3585 Sonoma 2 miles northwest of Kenwood. Comment
  RSA94650  Quercus lobata Peter Rubtzoff 1951-8-18 637 Sonoma Western branch of the Upper Marsh. Comment
  UCD47144  Quercus parvula var. shrevei Willis L. Jepson 1893-9-23 s.n. Sonoma Mt. St. Helena. Napa River Basin. 914 Comment
Read comments Jul 28 2008
  SJSU779  Quercus suber A. W. Jacobs 1943-3-27 Sonoma Sonoma Comment
  CDA31008  Quercus wislizeni var. frutescens D. G. Kelch, Troy McGregor 2010-8-22 10 .347 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  UC1193229  Quercus wislizeni var. frutescens R. H. Neuns 1950-5-5 103 Sonoma 3.5 mi w Mercuryville 731 Comment
  UCD95942  Ranunculus californicus Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-6-24 61 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR242110  Ranunculus californicus Caitlin Lewis, William Mutch 1993-4-17 006 Sonoma Sugarloaf Ridge State Park, c. 40 air mi N of San Francisco, 11 air mi east of Santa Rosa, and 2.5 mi NE of Kenwood. Adobe Canyon N of Sugarloaf Ridge and south of Red Mountain, near visitor center 366 Comment
Read comments Oct 18 2018
  UC729243  Ranunculus californicus A. A. Heller 1938-5-14 15082 Sonoma on bluff n Bodega Bay Comment
  CAS-BOT-BC378704  Ranunculus californicus var. californicus Peter Rubtzoff 1969-6-14 6072 -C Sonoma vernal pool 6.5 mi northeast of Penngrove, on Lichen Road 426 Comment
  UCR139478  Ranunculus californicus var. cuneatus A. A. Heller 1938-5-14 15082 Sonoma San Francisco Bay/Central Coast region, the bluff north of Bodega Bay 61 Comment
  UC483320  Ranunculus canus Ira L. Wiggins 1932-3-12 5758 Sonoma meadows between Calistoga and Knight's Valley Comment
  CAS-BOT-BC361405  Ranunculus lobbii Greg de Nevers 1994-3-18 10514 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. Weimar vernal meadow 457 Comment
  CAS-BOT-BC83438  Ranunculus lobbii A. A. Heller; H. E. Brown 1902-3-14 5060 Sonoma Near Windsor. Comment
  JEPS86344  Ranunculus lobbii Jack and Betty Guggolz 1988-1-28 896 Sonoma small vernal pool at nw corner of a new housing development Comment
  UCD96163  Ranunculus lobbii G. F. Hrusa; A. Buckman, R. Gross 1995-4-1 12030 Sonoma Lagunda de Santa Rosa, Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. 75 Comment
  RSA639495  Ranunculus muricatus Wesley Ebert 1977-4-9 2 Sonoma Crane Creek, downsream from Pressley Road. 107 Comment
  SEINET12093069  Ranunculus occidentalis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -175 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  UCD151167  Ranunculus occidentalis var. occidentalis James A. Neilson Jr. 1974-3-27 3012 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  UC1084433  Ranunculus orthorhynchus var. bloomeri G. Thomas Robbins 1940-3-21 291 Sonoma 2-3 mi se Windsor (on Pleasant Ave. road) Comment
  SDSU10124  Ranunculus uncinatus D. F. Howe 1972-5-2 4820 Sonoma Trail above Duncan Mills pond. Comment
  SEINET12095408  Ranunculus uncinatus C. F. Quibell 1976-1 1367 Sonoma Marshall - Petaluma Road Comment
  CDA14169  Reseda luteola G. F. Hrusa, R. Gross 1997-5-12 13769 Sonoma North Coast Biodiversity Arena; Ida Clayton Rd. on NW shoulder of Mt. St. Helena. Comment
  CDA39791  Rhagadiolus stellatus Peter Warner 2013-4-23 300 Sonoma Near Glen Ellen, Stuart Creek Hill property, ~ 120 m, S 233 deg. W from Highway 12 at Stuart Creek crossing. 0 Comment
  RSA289508  Rhamnus californica Edward Lee 1936-6-8 2213 Sonoma trail 3A (N Ridge to Smith Creek), Bohemian Grove Comment
  UCR42378  Rhamnus californica L. F. LaPre 1985-6-5 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  CAS-BOT-BC55942  Rhamnus crocea Walter Knight; Irja Knight 1964-1-17 513 Sonoma Upper Hooker Canyon, Cavedale Rd. Comment
  UC1299215  Rhamnus tomentella subsp. crassifolia Freed W. Hoffman 1947-5-30 559 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  RSA339385  Rhamnus tomentella subsp. tomentella Roger Raiche 1985-11-29 50900 Sonoma NE end of town of Healdsburg on Reservoir Hill. 122 Comment
  CAS-BOT-BC53747  Rhododendron columbianum Mrs. H. C. Cantelow 1941-6-7 s.n. Sonoma 5 mi. n. of Fort Ross. Hwy 1 Comment
  CDA38870  Rhododendron columbianum T. C. Fuller 1958-5-24 3996 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  UC750808  Rhododendron occidentale Charles B. Heiser Jr. 1946-5-19 1750 Sonoma Vine Hill Region, Pitkin Marsh Pitkin Marsh; Vine Hill Region, Pitkin Marsh Comment
  CAS-BOT-BC200347  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-2 89 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC111891  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh 182 Comment
  RSA94003  Rhynchospora californica Peter Rubtzoff 1951-7-1 343 Sonoma Lower part of Upper Marsh Comment
  CAS-BOT-BC111896  Rhynchospora capitellata John Thomas Howell 1945-8-14 21389 Sonoma Perry Marsh Comment
  CAS-BOT-BC111899  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh Comment
  UC1026464  Rhynchospora capitellata Peter Rubtzoff 1951-7-1 341 Sonoma uppermost part western branch of Upper Marsh (near Forestville); Pitkin Marsh Comment
  POM303625  Rhynchospora globularis var. recognita J. T. Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  CAS-BOT-BC111932  Rhynchospora recognita John Thomas Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles n of Sebastopol. Comment
  UC730046  Ribes californicum Leo F. Koch 1940-4-20 807 Sonoma about 3 mi from Highway 1 (Plantation road) Comment
  UCR255687  Ribes divaricatum Greg de Nevers 1998-4-27 11204 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  CAS-BOT-BC368086  Ribes divaricatum Greg de Nevers 1998-3-20 11219 Sonoma Cresta Ranch, Mark West Creek Comment
  CAS-BOT-BC169002  Ribes divaricatum var. pubiflorum A. A. Heller; H. E. Brown 1902-3-12 5038 Sonoma Sonoma Creek, eastern base of Mt. Hood Comment
  UC75445  Ribes sanguineum var. glutinosum Milo S. Baker 1899-6-26 Sonoma near Russian River (Coast Road) Comment
  UC79623  Ribes victoris Michener and Bioletti Apr. 1893 Sonoma Adobe Canyon Comment
  UC75438  Ribes victoris var. minus Milo S. Baker June 1899 Sonoma near Mt. Hood (one mile from mouth of Sonoma Canyon); Sonoma Creek Comment
  CAS-BOT-BC74699  Rorippa curvisiliqua Peter Rubtzoff 1958-8-16 3866 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC74705  Rorippa curvisiliqua Peter Rubtzoff 1968-9-21 5973 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC74706  Rorippa curvisiliqua Peter Rubtzoff 1965-8-16 5594 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC74717  Rorippa curvisiliqua Greg de Nevers 1992-6-16 10168 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek. 304 Comment
  UCD158731  Rosa californica Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 2 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. along Big Sulphur Creek. Elevation estimated by label maker. 853 Comment
  UCD113879  Rosa gymnocarpa M. Wiesendanger 1927-5-5 737 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC146770  Rosa gymnocarpa F. G. Krauss 1895-5-6 s.n. Sonoma Mountains near [Franze] Franz and Knights Valleys Comment
  CAS-BOT-BC146810  Rosa nutkana Dorothy Scherer 1997-5-20 117 Sonoma West side of Hwy. 1 and south of MM. 34.00, Fort Ross State Historic Park 36 Comment
  JEPS117050  Rotala ramosior Peter Warner 2008-8-26 91 Sonoma Lower Pitkin Marsh, 1 mi SE of Forestville, on Sonoma Land Trust parcel, N of primary stream channel, in small drainage downslope from adjacent, off-site water impoundment (pond). 41 Comment
  CAS-BOT-BC147993  Rubus leucodermis Volney Rattan 1877-6-15 s.n. Sonoma Guerneville Comment
  UCR279615  Rubus spectabilis Peter Rubtzoff 1957-4-28 3291 Sonoma Duncan Mills Marsh 8 Comment
  SEINET11912601  Rubus ulmifolius var. inermis H. K. Wagnon 1990-1 1976 Sonoma bank of Santa Rosa Creek by Brookwood Ave. bridge, Santa Rosa Comment
  CAS-BOT-BC157173  Rubus ursinus Alice Eastwood; John Thomas Howell 1939-4-2 7359 Sonoma Larkspur Rock Comment
  CAS-BOT-BC157178  Rubus ursinus Peter Rubtzoff 1951-6-30 291 Sonoma Uppermost of the western branch of the Upper Marsh Comment
  RSA800078  Rubus ursinus Peter Rubtzoff 1958-5-3 3613 Sonoma Atascadero Creek Marsh. Comment
  UCD114007  Rubus ursinus Mary M. Hektner 1974-6-3 019 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD17827  Rubus ursinus H. Olmo 8-10 May 1962 62- 12 Sonoma California. Sonoma County: near Lumber Company along Gualala River. Comment
  CDA36852  Rumex acetosella 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-BC422229  Rumex acetosella A. A. Heller 1902-6-4 5648 Sonoma Santa Rosa Comment
  CAS-BOT-BC433414  Rumex crispus G. DeNevers 1981-5-7 1004 Sonoma Pepperwood Ranch. Confluence of Leslie Creek with Mark West Creek, along the bank of Mark West Creek. Comment
  UCD148318  Rumex crispus Peter Rubtzoff 1954-6-6 1465 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC433744  Rumex occidentalis J. W. Congdon 1890-5-23 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC433851  Rumex pulcher D. E. Breedlove 1980-6-27 44735 Sonoma Pepperwood Ranch W of Knights Valley Comment
  RSA783831  Rumex pulcher Peter Rubtzoff 1966-6-5 5751 Sonoma Laguna de Santa Rosa, area E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC249311  Sagina Peter Rubtzoff 1953-5-30 1419 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  CAS-BOT-BC445687  Sagittaria cuneata Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  SEINET3895885  Sagittaria latifolia Lewis S. Rose 1960-9-14 60091 Sonoma Laguna de Santa Rosa 2 mi. e. of Graton.; 0 15 Comment
  UCR249074  Salix Peter Rubtzoff 1971-9-1 6679 Sonoma Spring Creek Reservoir area, east of Santa Rosa 87 Comment
  UCR249325  Salix Peter Rubtzoff 1974-4-17 7364 Sonoma Upper Green Valley Marsh Comment
  UCR250389  Salix Peter Rubtzoff, J. E. Eckenwalder 1974-4-6 7361 Sonoma Salmon Creek, 0.25 mi. south of Freestone 64 Comment
  CAS-BOT-BC126270  Salix X sepulcralis Peter Rubtzoff 1951-8-19 645 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC103091  Salix bonplandiana Peter Rubtzoff 1961-10-23 4782 Sonoma Laguna de Santa Rosa area northeast of Graton Comment
  RSA534568  Salix bonplandiana Peter Rubtzoff 1961-8-24 4700 Sonoma Fife Creek Marsh. Along Fife Creek. Comment
  JEPS128331  Salix breweri Roger Raiche 2000-3-26 010 .00 Sonoma The Cedars. Lower Russian, Big Austin Creek watershed. Comment
  POM106848  Salix exigua Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  RSA129737  Salix exigua H. S. Yates 1934-4-21 3818 Sonoma Near Monte Rio. 61 Comment
  CAS-BOT-BC103843  Salix exigua subsp. melanopsis Peter Rubtzoff 1970-9-2 6367 Sonoma Russian River bottom at Mirabel Park Comment
  CAS-BOT-BC107755  Salix hindsiana G. De Nevers 1981-3-14 535 Sonoma Pepperwood Ranch - Pippindale farm, 7 mi. NE of Santa Rosa near Mark West Lodge. Leslie Creek, 100 m upstream from the junction. Comment
  UC1042521  Salix lasiandra subsp. lasiandra Peter Rubtzoff 1951-11-24 837 Sonoma Pitkin Marsh near Forestville (between upper and lower marshes) Comment
  UC66164  Salix lasiandra subsp. lasiandra A. A. Heller 1902-8-23 5098 Sonoma Santa Rosa Creek e. of Santa Rosa Comment
  CAS-BOT-BC128060  Salix lasiandra var. lasiandra A. A. Heller 1902-8-23 5098 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  UC453093  Salix lasiolepis W. A. Setchell 1931-7-25 12 Sonoma Bohemian Grove Russian River (lower bank of river, near Monte Rio) Comment
  UC511620  Salix lasiolepis W. A. Setchell 1933-7-2 2 Sonoma Bohemian Grove Monte Rio (well away from Russian River) Comment
  UC511622  Salix lasiolepis W. A. Setchell 1933-7-2 1 Sonoma well away from Russian R. Bohemian Grove (Monte Rio) Comment
  SEINET10396306  Salix lasiolepis A. A. Heller 1902-8-23 5096 Sonoma Santa Rosa Creek, E of Santa Rosa. Comment
  SEINET10396327  Salix lasiolepis A. A. Heller 1902-8-23 5097 Sonoma Santa Rosa Creek, E of Santa Rosa. Comment
  CAS-BOT-BC107347  Salix lasiolepis var. bigelovii Peter Rubtzoff; T. J. Crovello 1964-9-3 5498 Sonoma Brooks Gulch Marsh Comment
  RSA534484  Salix lasiolepis var. bigelovii Peter Rubtzoff 1966-11-9 5837 Sonoma Salmon Creek near Freestone. Comment
  RSA534500  Salix lasiolepis var. bigelovii Peter Rubtzoff 1959-6-13 4136 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC125699  Salix melanopsis H. E. McMinn 1922-6-7 183 Sonoma Russian River near Guerneville Comment
  UCD111783  Salix melanopsis W. A. Setchell 1931-8-1 s.n. Sonoma Bohemian Grove, near Monte Rio. Comment
  CAS-BOT-BC126195  Salix scouleriana H. E. McMinn 1922-6-7 189 Sonoma 1 mile from Monte Rio Comment
  POM219058  Salix scouleriana Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental on Occidental Grade. Comment
  UC453116  Salix scouleriana W. A. Setchell 1931-8-1 29 Sonoma well up Kitchen Creek Bohemian Grove; Kitchen Creek, Bohemian Grove 60 Comment
  LA208908  Salix scouleriana Milo S. Baker; March 1933 7565 Sonoma at foot of O'Farrel Hill on Bodega Hwy Comment
  CAS-BOT-BC128904  Salix sitchensis Ball; Bracelin; Parks & Parks 1931-4-21 36 Sonoma Maacama Creek, 25 km. northwest of Calistoga Comment
  CAS-BOT-BC128910  Salix sitchensis A. A. Heller 1902-3-12 5044 Sonoma Sonoma Creek, foot of Mt. Hood Comment
  POM362960  Salix sitchensis Carleton R. Ball, H. P. Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 36 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  SBBG57996  Salix sitchensis M. S. Baker, C. R. Ball, Mrs. H. P. Bracelin, E. Crum 1931-5-9 344 Sonoma ca. 2 km E of Bodega Bay Comment
  SD985  Salix sitchensis Baker, Ball, Bracelin, Crum 1931-5-9 344 Sonoma About 2 km east of Bodega Bay, creek bed Comment
  UC1199055  Salix sitchensis Joseph P. Tracy 1940-8-18 16696 Sonoma Mayacama Creek below Knight's Valley; Mayacama Creek 152 Comment
  UCLA70040  Salvia columbariae A. A. Heller and H. E. Brown 1902-4-4 5212 Sonoma hills e Santa Rosa Comment
  UC25740  Salvia sonomensis F. T. Bioletti May 1892 Sonoma Hood's Peak Comment
  SEINET12320779  Salvia sonomensis W. Knight, Knight, I. 1981-1 3973 Sonoma 3.1mi up Cavedale Road from jct of state route #12 Comment
  SEINET12327832  Sambucus callicarpa F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -159 Sonoma ca 5 mi E of Bridgehaven on Willow Creek Road 145 Comment
  CAS-BOT-BC245884  Sambucus nigra subsp. caerulea Peter Rubtzoff 1952-6-9 1185 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  JEPS102077  Sanguisorba minor subsp. muricata Dean Schlichting 2002-5-16 Sonoma Bohemian Grove 76 Comment
  CDA3952  Sanguisorba minor subsp. muricata T. C. Fuller 1965-11-9 14270 Sonoma Redwood Highway 101, 5 miles north of Healdsburg. 0 Comment
  CAS-BOT-BC223343  Sanicula bipinnatifida Alice Eastwood 1921-5-8 10438 Sonoma Petaluma Comment
  CAS-BOT-BC223348  Sanicula bipinnatifida L. R. Abrams 1918-4-27 6919 Sonoma Independence School near Healdsburg Comment
  UC1123191  Sanicula crassicaulis H. S. Yates 1934-4-21 3829 Sonoma 2 mi n of County Farm 243 Comment
  UCD151099  Sanicula crassicaulis James A. Neilson Jr. 1973-6-3 3003 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.) 441 Comment
  UCD127978  Sanicula crassicaulis Mary M. Hektner; Cathy Hendel; Sue Dakuzaku 1974-6-26 074 Sonoma Unit 3 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD166462  Saponaria Peter Rubtzoff 1955-9-10 2127 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC251238  Saponaria Peter Rubtzoff 1965-9-5 5634 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  CAS-BOT-BC283142  Schedonorus arundinaceus G. De Nevers 1981-6-20 1593 Sonoma Along Leslie Creek near confluence with Mark West Creek, Pepperwood Ranch Comment
  RSA0022390  Schedonorus arundinaceus Peter Rubtzoff 1960-5-22 4406 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville Roads.) Comment
  CAS-BOT-BC283659  Schedonorus pratensis Catherine Best 1981-6-5 s.n. Sonoma Highway 1 near Salt Point Comment
  CAS-BOT-BC111435  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1966-7-23 1980 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC111528  Schoenoplectus americanus Peter Rubtzoff 1972-8-26 6861 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC111634  Schoenoplectus californicus Peter Rubtzoff 1963-9-1 5249 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC111805  Schoenoplectus pungens var. badius Peter Rubtzoff 1959-6-20 4165 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC111107  Scirpus microcarpus Peter Rubtzoff 1951-8-4 583 Sonoma A marshy opening south of the Upper Marsh, at the edge of a thicket. Comment
  UC841014  Scirpus pungens Marcus E. Jones, A. M. 1882-7-18 3526 Sonoma Duncan's Mills Comment
  SEINET12058065  Scoliopus bigelovii F. H. Utech 1988-3-2 88 -011 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  SEINET8408407  Scoliopus bigelovii Frank Callahan, Karen Callahan 1989-5-20 Sonoma off Graton Rd. between Graton and Occidental in Purrington Creek area. 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
  RSA54039  Scribneria bolanderi J. T. Howell 1948-4-18 24209 Sonoma Hills east of Agua Caliente. Comment
  UC972188  Scribneria bolanderi Milo S. Baker 1952-3-20 12396 Sonoma about 1/4 mi n of Caliente (e side of Highway 12); Highway 12 Comment
  CAS-BOT-BC320499  Scrophularia californica Peter Rubtzoff 1962-10-23 5122 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC320540  Scrophularia californica Peter Rubtzoff 1953-5-16 1356 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD124820  Scrophularia californica Mary M. Hektner 1974-6-19 26 Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. Comment
  UCR249341  Scrophularia californica Peter Rubtzoff 1955-8-20 2069 Sonoma Bodega Harbor Marsh 0 Comment
  UC25783  Scutellaria antirrhinoides H. N. Bolander 1864-1 3947 Sonoma at the Geysers Geysers Comment
  UC76189  Scutellaria californica Milo S. Baker 1901-1 591 Sonoma Santa Rosa Comment
  UCD151191  Scutellaria californica James A. Neilson Jr. 1974-7-10 2846 Sonoma Mayacmas Mountains, west side of Cobb Mountain, along road to PG and E geothermal units 9 and 10 at the Geysers. (Elevation estimated using a topo map by label maker.) 960 Comment
  CAS-BOT-BC417850  Sedella pumila Leo Koch 1940-4-24 848 Sonoma N of Agua Caliente Comment
  CAS-BOT-BC371442  Sedum radiatum subsp. radiatum Greg de Nevers 1998-4-26 11193 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Al Cuneo's property in Sec. 6 400 Comment
  CAS-BOT-BC63940  Sedum radiatum subsp. radiatum J. Clausen 1935-5-23 1076 Sonoma 1.2 miles S of Petrified Forest. Comment
  CAS-BOT-BC418400  Sedum spathulifolium Alice Eastwood 1915-6-6 4695 Sonoma Mt. St. Helena Comment
  UC1084465  Sedum spathulifolium G. Thomas Robbins 1937-6-6 230 Sonoma rolling hills 2-3 mi e Bodega Bay; e of Bodega Bay Comment
  CAS-BOT-BC63937  Sedum spathulifolium J. Clausen 1935-5-23 1076 Sonoma 1.2 mi S of Petrified Forest Comment
  RSA31690  Selaginella bigelovii Amos Arthur Heller 1902-4-2 5201 Sonoma On the Calistoga road, 10 miles from Santa Rosa. Comment
  CAS-BOT-BC62203  Selaginella wallacei Greg de Nevers 1992-2-9 10022 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road; In the Devil's Kitchen 475 Comment
  JEPS37219  Senecio aronicoides Willis L. Jepson 1893-5-4 Sonoma trail to summit, e central Sonoma County Napa River Basin, Mt. St. Helena Comment
  UC485215  Senecio aronicoides H. P. Chandler 1907-4-21 7528 Sonoma road from Glen Ellen to Oakville Comment
  UCD148329  Senecio glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 miles southeast of Guerneville. Comment
  RSA791558  Senecio vulgaris Peter Rubtzoff 1973-8-20 7220 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC80320  Sequoia sempervirens Dr. Louise Taber 1960-6-1 s.n. Sonoma Villa Grande, 1 mi. n. of Monte Rio (at locality known as Patterson Point.) Comment
  YM-YOSE15454  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 Miles south of Santa Rosa in Bennet Valley Comment
  UCD92681  Setaria faberi David L. Morgan 1958-8-6 s.n. Sonoma Highway 101, Sonoma-Marin County Line. Comment
  CAS-BOT-BC240277  Setaria viridis G. DeNevers 1981-6-20 1621 Sonoma Pepperwood Ranch. In Mark West Creek Comment
  RSA261282  Sidalcea calycosa subsp. calycosa Lillian Reinecke 1940-4-20 s.n. Sonoma Black Point Rd., 5 miles south of sonoma Comment
  CAS-BOT-BC187890  Sidalcea calycosa subsp. rhizomata J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma Comment
  JEPS50080  Sidalcea diploscypha W. L. Jepson 1921-6-2 9295 Sonoma Healdsburg Comment
  POM210232  Sidalcea diploscypha H. E. Parks, S. T. Parks 1930-05 625 Sonoma Head of Alexander Valley Comment
  SEINET7042678  Sidalcea diploscypha A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  RSA245528  Sidalcea malviflora Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1103 Sonoma Fort Ross State Park. Comment
  CHSC66957  Sidalcea malviflora subsp. laciniata James D. Jokerst; Lorie May 1993-5-13 3980 Sonoma Sonoma Air Center. Comment
  SEINET7042576  Sidalcea malviflora subsp. laciniata A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  RSA178041  Sidalcea malviflora subsp. malviflora Robert F. Thorne 1965-4-21 34424 Sonoma 3 miles S. of Petaluma, just N. of Marin County line. 15 Comment
  RSA41897  Sidalcea malviflora subsp. purpurea Ella Dales Cantelow 1938-5-7 s.n. Sonoma 4 miles N of Fort Ross Comment
  CAS-BOT-BC540830  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 miles west of its junction with Franz Valley Road. Comment
  UC1601098  Sidalcea oregana subsp. valida Mrs. Booth Aug. 1894 Sonoma Knight's Valley Comment
  CAS-BOT-BC311840  Silene Peter Rubtzoff; H. A. Froebe 1971-5-30 6477 Sonoma Vernal pool 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UC465678  Silene californica Milo S. Baker 1898-6-11 674 Sonoma Geysers Comment
  CAS-BOT-BC384437  Silene coronaria Peter Rubtzoff 1954-6-19 1498 Sonoma East Guernewood, near Guerneville Comment
  UCR253366  Silene gallica Peter Rubtzoff 1971-7-3 6589 Sonoma Intermittent lake off west side of Hwy 1, 0.7 miles SE of Salmon Creek crossing 30 Comment
  UCR253372  Silene gallica Peter Rubtzoff 1969-8-14 6134 Sonoma Along Salmon Creek, c. 0.5 mile upstream from Hwy #1 3 Comment
  UCD98639  Silene gallica Valerie Bullock; Erik Beever 1993-5-8 241 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. Ponygate Trail on path next to meadow. 365 Comment
  UC1745678  Silene multinervia Annetta M. Carter 1947-5-30 1841 Sonoma S slopes of Hood Mt. N of Milo S Baker residence Kenwood; Hood Mountain; S slopes of Hood Mt. N of Milo S Baker residence, Kenwood. Comment
  HSC13932  Sisyrinchium californicum James Faro 1962-4-22 27 Sonoma Ocean Cove Ranch, 4 mi. N of Fort Ross on Hwy. 1 Comment
  SEINET3876315  Sisyrinchium californicum James Faro 1962-4-22 27 Sonoma Ocean Cove Ranch, about 4 miles north of Fort Ross on Highway 1.; 0 Comment
  UC1032494  Sisyrinchium californicum H. S. Yates 1936-5-16 5587 Sonoma 2 mi se of Forestville 30 Comment
  CAS-BOT-BC164681  Solanaceae Peter Rubtzoff 1951-9-3 741 Sonoma Vacation Beach, near Guerneville along Russian River. 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
  UCR281902  Solanum americanum Peter Rubtzoff 1965-9-11 5649 Sonoma North Coast Ranges, Russian River margin at Forest Hills, 5.5 miles east of Guerneville 9 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-BC365586  Solidago elongata Peter Rubtzoff 1951-9-16 750 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  SEINET11807361  Solidago occidentalis W. Knight, Knight, I. 1984-1 5428 Sonoma Willow Creek Rd 61 Comment
  UCD136117  Soliva sessilis P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC365957  Soliva sessilis G. DeNevers 1981-4-30 888 Sonoma Pepperwood Ranch. At Pippindale Garden. Also at Garrison House Comment
  CAS-BOT-BC365967  Soliva sessilis Alice Eastwood 1921-4-24 10377 Sonoma Santa Rosa Comment
  CDA8805  Soliva sessilis G. D. Barbe 1982-5-27 3618 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Scaggs Spring Road. Comment
  UCD133996  Sonchus asper subsp. asper Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1772 Sonoma Sugarloaf Ridge State ParkAbout 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 1.5 air miles NE of Kenwood and 18 air miles NW of Napa. In Adobe Canyon N of Sugarloaf Ridge along the S edge of Sonoma Creek at the parking lot/trail head of Goodspeed Trail. 198 Comment
  CAS-BOT-BC236527  Sorghum bicolor Walter Knight; Irja Knight 1963-10-11 428 Sonoma Marshall Ave., Petaluma Comment
  UCD149777  Spartina foliosa William Anderson 1964-10-26 s.n. Sonoma Sonoma Creek. Comment
  RSA41907  Spergula arvensis H. C. Cantelow 1936-1-26 1115 Sonoma Cliffs above Bodega Bay. Comment
  UCD99193  Spergularia bocconi Frederica Bowcutt 1984-6-23 457 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County Coast. West of Highway 1, north of Gerstle Cove about 1/4 mile. 15 Comment
  CAS-BOT-BC323826  Spergularia rubra Peter Rubtzoff 1969-8-14 6130 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  UCR275242  Spergularia rubra Peter Rubtzoff 1969-8-14 6130 Sonoma Along Salmon Creek, c. 0.5 mile upstream from Hwy #1 3 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
  SEINET11933746  Spergularia rubra W. Knight, Knight, I. 1984-1 5150 Sonoma along Petalnona Blvd. , S North Side between B and C streets 5 Comment
  CAS-BOT-BC500700  Stachys Peter Rubtzoff 1962-6-13 4910 Sonoma Freestone Marsh Comment
  CAS-BOT-BC502052  Stachys Peter Rubtzoff 1963-8-17 5231 Sonoma Russian River Mouth Marsh Comment
  SEINET13947995 Image available Stachys ajugoides A. A. Heller 1902-1 5782 Sonoma West of Windsor near Russian river Comment
  UCLA70856  Stachys ajugoides var. rigida C. Epling, Wm. Robison 1935-7-28 Sonoma Shellville Comment
  POM252831  Stachys emersonii A. A. Heller 1938-5-14 s.n. Sonoma Just east of Bodega Bay. Comment
  SEINET9365554  Stachys rigida Unknown 1994-5-25 Sonoma Bodega Head East Comment
  RSA293432  Stachys rigida subsp. quercetorum Reino Alava 1958-5-24 2065 Sonoma About one mile from Graton on the road from Graton to Occidental. Comment
  SEINET12327820  Stachys rigida subsp. quercetorum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -081 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  SEINET12331118  Stachys rigida subsp. quercetorum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -179 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  CAS-BOT-BC251170  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-7-9 1938 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC251305  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-4-30 1809 Sonoma Forestville Marsh. Comment
  UCR279647  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-7-9 1938 Sonoma North Coast Range, Forestville Marsh 71 Comment
  UCR218631  Stellaria media George K. Helmkamp, E. A. Helmkamp 2010-6-4 16216 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  CAS-BOT-BC251257  Stellaria media Peter Rubtzoff 1958-8-31 3951 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC397768  Stellaria media G. DeNevers 1981-3-30 582 Sonoma Pepperwood Ranch; Garrison House Comment
  CAS-BOT-BC376286  Stephanomeria Greg de Nevers 1992-7-15 10219 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Valley Road 304 Comment
  UCD167312  Streptanthus James Neilson 1977-6-7 3904 Sonoma Mayacmas Mountains, between Lunar Point and crest of Mayacmas. (Location information obtained from Neilson 3911 which indicated that Lunar Point is west of Locke Cabin. Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR274968  Streptanthus Jack and Betty Guggolz 2000-8-7 1644 Sonoma long-abandoned mining road east of the Crystal Mine 730 Comment
  JEPS46127  Streptanthus barbiger Eleanor Armstrong 1932-5-29 500 Sonoma 2 mi n Camp Meeker 121 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
  UC956501  Streptanthus barbiger Freed W. Hoffman 1948-6-16 2341 Sonoma Dorr's Cabin North Coast Ranges, upper East Austin Creek Comment
  CAS-BOT-BC61215  Streptanthus brachiatus Lawrence F. LaPre 1985-6-25 s.n. Sonoma Around Socrates Mine, west of Pine Flats Road. Comment
  UCD161422  Streptanthus brachiatus James A. Neilson Jr. 1977-6-7 3903 Sonoma Mayacmas Mountains. Socrates Mine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC87233  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-19 6436 Sonoma Spring Mountain Road, 7.5 miles west of Saint Helena. Comment
  UC10885  Streptanthus glandulosus subsp. glandulosus H. N. Bolander April 1864 3944 Sonoma at the Geysers Comment
  UC72933  Streptanthus glandulosus subsp. glandulosus Milo S. Baker 1898-6-12 646 Sonoma Geyer Road Geyser Canyon Comment
  JEPS26976  Streptanthus glandulosus subsp. secundus W. L. Jepson 1904-5-29 2430 Sonoma Mark West Creek Comment
  UC1492745  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-8-12 2355 Sonoma headwaters of Warm Springs Creek North Coast Ranges, Bob Caughey Ranch Comment
  UC1492770  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-5-18 1062 Sonoma Dutch Bill Creek North Coast Ranges 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
  UCD167335  Streptanthus morrisonii James A. Neilson Jr. 1980-6-16 3983 Sonoma Mayacmas Mountains. On unnamed tributary of Little Sulphur Creek above Healdsburg-Geysers Road. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1492806  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1949-8-19 2995 Sonoma near headwaters of Devil Creek (tributary of East Austin Creek); North Coast Ranges, The Island Comment
  UC117370  Streptanthus tortuosus var. suffrutescens Michener and Bioletti 1892-5-30 Sonoma Hood's Peak Comment
  CAS-BOT-BC258035  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  CAS-BOT-BC258036  Symphoricarpos Peter Rubtzoff 1958-7-19 3760 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD166329  Symphoricarpos Peter Rubtzoff 1967-9-2 5877 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC245856  Symphoricarpos James McMurphy 1909-5-29 s.n. Sonoma Between Geyser Peak and Black Mountain Comment
  UC1010374  Symphoricarpos mollis Milo S. Baker Jun 1928 3168 b Sonoma e side Los Guilicos Valley (road to Youngman's) Comment
  UCR255676  Symphyotrichum Greg de Nevers 1997-8-17 11078 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, Oak Hill Ranch 400 Comment
  CAS-BOT-BC98570  Symphyotrichum lentum Peter Rubtzoff 1961-9-6 4733 Sonoma Laguna de Santa Rosa area northeast of Graton - Sonoma County Marshes Comment
  UC29896 Image available Symphyotrichum lentum Edw. L. Greene 1888-9-1 Sonoma near Petaluma; ; near Petaluma Comment
  CAS-BOT-BC376984  Taraxacum officinale John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53962 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CHSC1158  Taraxia ovata V. Holt 1935-3-24 Sonoma Near Petaluma. Comment
  CHSC28708  Taraxia ovata R. A. Schlising; C. A. Lawler 1979-4-12 3359 Sonoma S of Petaluma in extreme southern part of county, just N of Marin Co. line along San Antonia Road, 0.3 mi W of Hwy 101. In pasture. Comment
  RSA789623  Taxus brevifolia var. polychaeta Richard W. Spjut, Peter Baye 2010-6-21 16710 Sonoma Along Wheatfield Fork of Gualala River just south of junction with Fuller Creek, and north of junction with Haupt Creek and Steward Pt-Skaggs Springs Road. 55 Comment
  RSA155470  Tellima grandiflora L. S. Rose 1962-4-18 62023 Sonoma 1 mile NW of Freestone. 76 Comment
  RSA800061  Thermopsis californica var. californica Peter Rubtzoff 1965-5-8 5527 Sonoma Atascadero Creek Marsh. Comment
  RSA87001  Thermopsis californica var. californica F. W. Peirson, Mabel B. Peirson 1926-4-1 6546 Sonoma 3 miles south of Santa Rosa. Comment
  UCD166413  Thermopsis californica var. californica Peter Rubtzoff 1962-6-8 4886 Sonoma Bennett Mountain Lake. Comment
  UCSB21296  Thermopsis californica var. californica McCarthy, Sharon 1965-4-11 Sonoma East side of Bennett Peak, 2.5 miles west on dirt road from junction at Lawndale Road, 1 mile from its junction with State Highway 12, southwest of Glen Ellen Comment
  UC117272  Thysanocarpus curvipes K. Brandegee April 1889 Sonoma Mt. St. Helena Comment
  RSA0057550  Thysanocarpus curvipes subsp. curvipes Milo S. Baker 1898-1 735 Sonoma Hills near Santa Rosa. Comment
  POM182665  Thysanocarpus curvipes var. curvipes D. D. Keck 1931-4-4 1098 Sonoma Santa Rosa Creek Canyon 225 Comment
  CAS-BOT-BC67334  Thysanocarpus radians John H. Thomas 1968-4-4 14268 Sonoma 2.8 miles northeast of highway 101 on road to Mark Springs West, along Mark Springs road. Comment
  RSA0049972  Thysanocarpus radians D. D. Keck 1931-4-2 998 Sonoma Boyes Spring. 30 Comment
  UC420446  Tiarella trifoliata var. unifoliata Miss C. M. Hoak Aug. 1912 Sonoma 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
  UC353822  Tofieldia occidentalis subsp. occidentalis Milo S. Baker 1928-6-28 3047 a Sonoma Pitkin Marsh Comment
  CAS-BOT-BC368089  Tolpis barbata Greg de Nevers 1998-5-2 11223 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Northwest of High Hill, southwest of big bay 400 Comment
  UC796563  Torilis nodosa Roxana S. Ferris and Laura Lorraine 1948-6-9 11659 Sonoma Franz Valley Road ca. 3/4 mi from Mark West Road Comment
  CAS-BOT-BC81456  Torreya californica Peter H. Raven; R. Snow 1958-7-23 13685 Sonoma on south bank of Wheatfield Fork of Gualala River, 12.5 miles east of Stewarts Point on road to Skaggs Springs Comment
  UC1011106  Torreya californica Milo S. Baker 1941-8-4 8592 Sonoma Russian Gulch 15 Comment
  UCD139866  Toxicoscordion fremontii L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  CAS-BOT-BC376289  Trichostema lanceolatum Greg de Nevers 1992-7-25 10230 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Mark West Creek 304 Comment
  JEPS63107  Trichostema lanceolatum Milo S. Baker 1923-8-26 442 Sonoma near Geyserville (Russian River); North Coast Comment
  RSA135372  Trichostema lanceolatum Volney Rattan 1877-6-25 s.n. Sonoma Cloverdale. Comment
  JEPS86783  Trichostema laxum Jack and Betty Guggolz 1990-9-17 1901 Sonoma one mile N of Camp Meeker (Grub Creek, just below the reservoir) 79 Comment
  UCD125875  Trichostema laxum Herbert L. Mason 1946-7-4 12897 Sonoma 2 miles east of Occidental. 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
  SEINET13948220 Image available Trichostema laxum Lewis S. Rose 1955-1 55111 Sonoma 2 mi E of Occidental; ca 800 ft alt. 244 Comment
  CAS-BOT-BC166757  Trifolium Peter Rubtzoff 1974-5-26 7486 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC173537  Trifolium Peter Rubtzoff 1974-5-26 7496 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA784987  Trifolium Peter Rubtzoff 1974-5-11 7403 Sonoma Laguna de Santa Rosa east of Sebastopol (south of Hwy 12 crossing) Comment
  UCSC010633  Trifolium R. Morgan 2014-5-12 5637 b Sonoma Bodega Head Comment
  UCSC010634  Trifolium R. Morgan 2014-5-12 5637 c Sonoma Bodega Head Comment
  SEINET7067270  Trifolium barbigerum var. andrewsii A. G. Vestal 1947-5-13 s.n. Sonoma About 1.6 miles east of Annaplis on the Annapolis Road. Coordinate datum: NAD27. UTM 10, 425816mE, 4285229mN. Comment
  JEPS65920  Trifolium barbigerum var. andrewsii V. Blackney April 1929 Sonoma betw Trenton and Mark West Mt. Oliver School; Santa Rosa Comment
  CAS-BOT-BC368054  Trifolium bifidum var. bifidum Greg de Nevers 1998-5-12 11251 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCSC008685  Trifolium buckwestiorum Randall Morgan 2008-6-4 4896 Sonoma Near Santa Rosa Comment
  UC1299170  Trifolium ciliolatum Freed W. Hoffman 1946-3-6 1858 Sonoma above Quicksilver Mine (near Guerneville); North Coast Ranges Comment
  UC1106199  Trifolium depauperatum var. depauperatum Peter H. Raven 1950-4-6 1607 Sonoma Rincon Ridge Comment
  JEPS65732  Trifolium depauperatum var. truncatum Milo S. Baker 1934-3-27 7583 Sonoma near vernal pool (Bennett Valley) Comment
  UCD150836  Trifolium depauperatum var. truncatum Ayzik Solomescsh 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, north of city of Rohnert Park. East of Hwy 101 and south of Horn Ave. Elevation estimated from Google Earth by label maker. 30 Comment
  UCD84294  Trifolium depauperatum var. truncatum Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCD33226  Trifolium dichotomum Beecher Crampton 1967-5-15 7927 Sonoma Lytton. Comment
  CAS-BOT-BC371429  Trifolium dubium Greg de Nevers 1997-4-17 10947 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD166122  Trifolium dubium Peter Rubtzoff 1972-6-23 6786 Sonoma Atascadero Creek Marsh. Comment
  UCD38290  Trifolium dubium Beecher Crampton 1954-4-26 1791 Sonoma 9 miles SE of Geyserville, Highway 128, Alexander Valley. Comment
  RSA0060108  Trifolium fragiferum Greg de Nevers 1995-6-16 10755 Sonoma Knights Valley, marsh at base of hills at south end of the valley, on the Bavarian Lion Ranch. 91 Comment
  POM89154  Trifolium fucatum F. W. Peirson 1926-4-1 6551 Sonoma 6 miles south of Cloverdale. Comment
  UC555451  Trifolium fucatum Herbert L. Mason 1926-3-20 2749 Sonoma s Calistoga (along rr right-of-way) Comment
  UCD136316  Trifolium hirtum M. Rei Scampavia Evangelista 2012-5-19 7 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, travel down Pepperwood Road towards the Visitor Center. Take a left at the sign for the Betchel House. Follow signs on dirt roads that direct towards Three Tree Hill. Park at the top of Three Tree Hill, then take a bearing of 280 degrees for 250 meters. 408 Comment
  UCD109771  Trifolium hirtum Frederica Bowcutt 1994-6-12 1854 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 75 yards, N of Adobe Canyon Road up Pony Gate Trail. 426 Comment
  UC1784220  Trifolium macraei Milo S. Baker Apr 1932 5914 Sonoma Highway south of Stewart's Point Comment
  UCD111372  Trifolium microcephalum P. G. Connors 1995-6-2 347 Sonoma Near old Gaffney ranch house site, near BML housing. Comment
  UC165620  Trifolium microdon Milo S. Baker 1898-4 709 Sonoma near Santa Rosa (hills) Comment
  UC165622  Trifolium microdon Milo S. Baker 1898-5-7 642 Sonoma Glen Ellen Comment
  UCD165155  Trifolium microdon Peter Rubtzoff 1974-5-18 7430 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD109166  Trifolium microdon Christine Lee 1993-4-24 90 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. 411 Comment
  CDA121  Trifolium repens D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .277 Sonoma Cavedale Rd. 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
  UCD147006  Trifolium tomentosum Robert E. Preston 2011-4-28 2851 Sonoma Sonoma, in vacant lot N of MacArthur St, between 4th St and Hayes St. 21 Comment
  JEPS4154  Trifolium willdenovii W. L. Jepson 1912-4-30 4191 Sonoma Sonoma Valley Comment
  POM21427  Trifolium willdenovii A. A. Heller, H. E. Brown 1902-4-9 5238 Sonoma Three Miles South of Healdsburg. Comment
  RSA582648  Trifolium wormskioldii Jens Clausen 1935-5-24 1091 Sonoma 6.2 miles south of Jenner. Comment
  CAS-BOT-BC451943  Triglochin maritima Lewis S. Rose 1964-6-3 64055 Sonoma N. end of Bodega Bay. [Actually the loc. is at north end of Bodega Harbor, not Bodega Bay -- Rubtzoff '91.] 1 Comment
  SEINET12052826  Trillium albidum F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -53 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  UC72282  Trillium albidum Milo S. Baker 1898-3-23 696 Sonoma near Melita Melita Comment
  UC75634  Trillium albidum Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  CAS-BOT-BC520847  Trillium albidum J. W. Congdon 1880-3-1 s.n. Sonoma Near Santa Rosa Comment
  UC1057438  Trillium chloropetalum G. Thomas Robbins 1937-3-26 27 Sonoma creek along rd. e. of Bodega Bay Comment
  CAS-BOT-BC521306  Trillium rivale A. A. Heller; H. E. Brown 1902-3-22 5127 Sonoma West of Sebastopol Comment
  CAS-BOT-BC521309  Trillium rivale Peter Rubtzoff 1957-5-4 3317 Sonoma Duncans Mills Marsh area. Redwood forest bordering the Marsh in the west. Comment
  UC27182  Triphysaria eriantha subsp. eriantha F. T. Bioletti May 1892 Sonoma Shellville Comment
  SBBG7054  Triphysaria eriantha subsp. eriantha H. and M. Dearing 1939-4-29 323 Sonoma N of San Raphael Comment
  SD130528  Triphysaria pusilla F. Almeda, G. DeNevers 1981-3-30 4890 Sonoma Pepperwood Ranch, SE facing slopes just west of the Redwood Canyon Comment
  UC1239022  Triphysaria pusilla Freed W. Hoffman 1947-4-3 878 Sonoma road to Austin Ranch near Guerneville (headwaters of Fife Creek); North Coast Ranges, headwaters of Fife Creek Comment
  JEPS11169  Triphysaria versicolor subsp. faucibarbata R. F. Hoover 1939-4-18 4034 Sonoma Occidental Comment
  SBBG7055  Triphysaria versicolor subsp. faucibarbata H. and M. Dearing 1939-5-14 3251 Sonoma Russian River near coast Comment
  CAS-BOT-BC200105  Trisetum canescens Peter Rubtzoff 1952-6-10 1203 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  UCD93633  Trisetum canescens R. Tofsrud 1941-4-1 157 Sonoma Rhododendron Park. Comment
  UCR143026  Triteleia hyacinthina Peter Rubtzoff 1971-6-5 6511 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  CAS-BOT-BC522375  Triteleia hyacinthina John Thomas Howell 1945-5-30 20907 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC523027  Triteleia hyacinthina Wayne Roderick 1967-5-20 s.n. Sonoma NW edge of Santa Rosa 45 Comment
  SEINET190369  Triteleia laxa Annetta Carter, Ethel Crum 1941-6-22 1642 Sonoma 3.3 miles east of Bay (Bodega Bay) Comment
  UC666148  Triteleia laxa Annetta Carter and Ethel Crum 1941-6-22 1642 Sonoma steep ne-facing slope 3.3 mi e Bay (Bodega Bay); North Coast Ranges Comment
  SEINET12049783  Triteleia laxa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -151 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 80 Comment
  SEINET12050340  Triteleia laxa J. T. Vale 1988-1 s.n. Sonoma Skaggs Springs, road between Sonoma Lake and Annapolis Rd Comment
  UCD139377  Triteleia laxa Frederica Bowcutt 1994-6-12 1863 Sonoma Sugarloaf Ridge State Park. about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 1.5 air miles north of Kenwood, and 18 air mles NW of Napa. Adobe Canyon north of Sonoma Creek, north of Adobe Canyon Road, About 50 yards N. of Pony Gate trail juncture. 432 Comment
  CAS-BOT-BC527975  Triteleia peduncularis Peter Rubtzoff 1964-6-20 5363 Sonoma Laguna de Santa Rosa southwest of Sabastopol (nr. Cooper Rd.) Comment
  CAS-BOT-BC200492  Triticum aestivum David L. Morgan 1956-5-18 s.n. Sonoma On State Hiway #12, 5.4 mi. S. of Santa Rosa city limits Comment
  UC335173  Tropidocarpum gracile Hy. Edwards Apr 1877 139 Sonoma Skaggs Spr. Comment
  RSA94265  Typha latifolia Peter Rubtzoff 1951-8-4 572 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  CAS-BOT-BC208027  Ulex europaeus Mrs. H. C. Cantelow 1937-3-25 s.n. Sonoma North of Bodega Comment
  SDSU6675  Ulex europaeus D. F. Howe 1968-5-21 4520 Sonoma 3.7 miles south of Bodega Bay on #1. Comment
Read comments Feb 6 2013
  CAS-BOT-BC540807  Ulmus Peter Rubtzoff; Nancy Harrison; Ruth Hass 1974-8-31 7854 Sonoma Kenwood Marsh. Comment
  UCD67497  Umbellularia californica D. Sanchez-Mata 1996-4-16 s.n. Sonoma Mercuryville. Big Sulphur Creek. The Geysers. Quercus wislizenii and Quercus kelloggii woodland; northern slopes. 430 Comment
  UC133488  Uropappus lindleyi C. F. Baker 1903-4-20 2609 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC403976  Urtica dioica subsp. gracilis Peter Rubtzoff 1974-9-8 7890 Sonoma Forest Hills, 5.5 miles east of Guerneville, south rim of Russian River canyon Comment
  CAS-BOT-BC403979  Urtica dioica subsp. gracilis Peter Rubtzoff 1951-8-26 672 Sonoma Hills south of Guerneville (Neeley Hill area) Comment
  CAS-BOT-BC404232  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-6-24 5386 Sonoma Coleman Marsh Comment
  CAS-BOT-BC404244  Urtica dioica subsp. holosericea Peter Rubtzoff 1965-9-5 5633 Sonoma Forest Hills (5.5 miles east of Guerneville) Comment
  UC912416  Vaccinium parvifolium Herbert L. Mason 1928-7-11 4892 Sonoma 2 miles north of Fort Ross Comment
  CAS-BOT-BC76167  Vancouveria planipetala Rimo Bacigalupi 1926-4-30 1376 Sonoma Cazadero. Comment
  RSA121716  Vancouveria planipetala H. S. Yates 1936-5-16 5614 Sonoma 1 mile NW of Mountain View School. 91 Comment
  UC1126304  Vancouveria planipetala H. S. Yates 1936-5-16 5614 Sonoma 1 mi nw Mountain View School; Sebastopol Quad., nw of Mountain View School Comment
  CAS-BOT-BC320526  Verbascum Peter Rubtzoff 1973-8-29 7289 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC156317  Verbascum Peter Rubtzoff 1962-6-22 4959 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC311842  Verbascum Peter Rubtzoff; Nancy Harrison 1974-7-13 7678 Sonoma Upper Green Valley Marsh. Comment
  CDA41759  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15679 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Sheet 2 of 2. Comment
  UCD124727  Verbascum thapsus K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  JEPS58976  Verbascum virgatum Pat Watters and Walter Knight 1963-7-19 Sonoma Gravenstein Highway intersection with US 101 Freeway Cotati (Cotati) Comment
  CAS-BOT-BC376218  Veronica Greg de Nevers No date on label 10836 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC157662  Veronica Peter Rubtzoff 1960-5-29 4416 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC262797  Veronica Peter Rubtzoff 1972-5-25 6752 Sonoma Laguna, Chileno Valley. Comment
  RSA785447  Veronica Peter Rubtzoff 1969-6-14 6082 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  CAS-BOT-BC166701  Veronica americana Peter Rubtzoff 1954-8-3 1632 Sonoma Lower Salmon Creek Marsh. Comment
  RSA783724  Veronica americana Peter Rubtzoff 1954-6-6 1460 Sonoma Guerneville Marsh. Comment
  RSA786488  Veronica americana Peter Rubtzoff 1962-5-11 4813 Sonoma Freestone Marsh Comment
  JEPS67155  Veronica anagallis-aquatica Peter Rubtzoff 1971-8-24 6660 Sonoma 3 mi w of Fulton (tributary of Mark West Creek); Mark West Creek Comment
  CAS-BOT-BC262807  Veronica scutellata Peter Rubtzoff; Nancy Harrison 1978-5-20 9185 Sonoma Cunningham Marsh Area, on north side of Blucher Creek Valley. Comment
  JEPS66217  Veronica scutellata T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6906 Sonoma Pitkin Marsh Comment
  UC424791  Vicia americana var. americana unknown Apr 1930 4847 a Sonoma near Plantation Comment
  SEINET12165816  Vicia benghalensis H. K. Wagnon 1988-1 1751 Sonoma Santa Rosa, Spring Lake Park, just S of Montgomery Drive 73 Comment
  CDA18772  Vicia gigantea Boris Korotyaev 2000-3-28 s.n. Sonoma Northern California; Bodega Bay. 0 Comment
Read comments Oct 17 2007
  SBBG3895  Vicia sativa H. and M. Dearing 1939-5-15 3382 Sonoma N of Fort Ross Comment
  RSA239726  Vicia sativa Unspecified 1973-5-18 1083 Sonoma Pitkin-Jones Tree Farm; on Vine Hill Road, 1.3 mi. north of jct. with Guerneyville Rd. from Santa Rosa. Comment
  UCSB22472  Vicia sativa subsp. nigra McCarthy, Sharon 1965-4-17 Sonoma In field west of 5th Street West, opposite Betancourt Street intersection, Sonoma 25 Comment
Read comments Jul 28 2008
  RSA128936  Vicia villosa J. T. Howell 1944-5-14 19483 Sonoma Chileno Valley Comment
  UC1761618  Viola adunca Helen Von Grafen 1927-4-18 Sonoma Cotati Comment
  CAS-BOT-BC270247  Viola adunca Ella Dales Cantelow 1939-4-10 4569 Sonoma 2.3 miles S of Stewarts Point Comment
  UC1749429  Viola douglasii Milo S. Baker 1933-3-25 7336 Sonoma 5 mi E Santa Rosa; Melitta Comment
  UC1761509  Viola douglasii Milo S. Baker May 1898 681 Sonoma near Melita (Peach Flat, Santa Rosa Golf Links) Comment
  POM215705  Viola douglasii Jens Clausen 1933-3-25 732 Sonoma Melita. Comment
  CAS-BOT-BC536901  Viola glabella Volney Rattan 1880-4-1 s.n. Sonoma Duncans Mill Comment
  CAS-BOT-BC536906  Viola glabella Peter Rubtzoff 1954-6-19 1496 Sonoma Sonoma County Marshes: Guerneville Marsh, along the margin of the Marsh where it borders a redwood forest Comment
  CAS-BOT-BC536909  Viola glabella Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  UCD110882  Viola glabella R. H. Miller 1949-4-6 26 Sonoma Beside Highway 12, 5 miles SE of Monte Rio. Comment
  UC1761445  Viola lobata Milo S. Baker 1924-5-3 463 Sonoma Howell Mt., Pinecrest Comment
  UCD110909  Viola lobata G. F. Hrusa 1992-4-15 10376 Sonoma Along Cavedale Road, approximately 5 m. E of Boyes Hot Springs. Comment
  UCD110694  Viola ocellata Frederica Bowcutt 1996-5-22 2143 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon about 1.25 air miles SW of Red Mountain. Along Canyon Trail near lower elev trailhead. Just N of Sonoma Creek. Down slope of Adobe Canyon Road. 231 Comment
  UCD111068  Viola pedunculata Mary M. Hektner 1975-4-27 188 Sonoma Unit 24 Owner's Map, Sea Ranch, near State Highway 1. Comment
  POM179744  Viola pedunculata A. A. Heller, H. E. Brown 1902-4-23 5357 Sonoma Near Sonoma. Comment
  UC1742247  Viola viarum Milo S. Baker 1939-4-1 9273 Sonoma Brookside Garden Comment
  CAS-BOT-BC135290  Viscum album Stanley Rose 1966-1-2 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  CAS-BOT-BC135292  Viscum album Stanley Rose 1966-3-13 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  CAS-BOT-BC203123  Vitis californica D. E. Breedlove 1980-6-27 44768 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC203128  Vitis californica Peter Rubtzoff 1952-6-3 1178 Sonoma Fitch Mtn. Grove, near Healdsburg. Bank of Russian River Comment
  SD99424  Vitis californica Christopher Davidson 1977-6-20 6003 Sonoma Dry Cr. Rd, 7.2 mi. W of Geyserville, along Warm Spgs. Cr. 75 Comment
  UCD58730  Vitis californica Eric Wada 2006-9-3 RR 5 Sonoma Just east of Monte Rio on SR116 17 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
  UCD102746  Vitis californica K. Esau 1935-7-19 s.n. Sonoma Near Petaluma Comment
  SEINET12210982  Vit