Search Results — 2000 specimen records retrieved (1232 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
  RSA0025771  Abronia latifolia E. A. Purer 1932-7-21 s.n. Sonoma Bodega Bay. 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
  UC1084469  Acaena pinnatifida var. californica G. Thomas Robbins 1937-6-6 234 Sonoma hills 2 - 3 mi. e. Bodega Bay Comment
  UCD84279  Acaena pinnatifida var. californica Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC332798  Acer macrophyllum Walter Knight; Irja Knight 1963-8-23 192 Sonoma Joost Ranch, Calistoga Road Comment
  UCD67995  Acer macrophyllum S. M. Smukler 1995-6-3 19 Sonoma Across from Mark West Query, 4611 Porter Creek Road, at top of bank on North side of Porter Creek. In a riparian plant association. A tree, 20 m high. 100 Comment
  UC1084373  Acer negundo G. Thomas Robbins 1937-3-27 44 Sonoma Santa Rosa bed of Santa Rosa Creek, Santa Rosa Comment
  POM55392  Achillea millefolium A. A. Heller, H. E. Brown 1902-4-17 s.n. Sonoma Hills at Santa Rosa Comment
  CAS-BOT-BC29160  Achyrachaena mollis D. D. Keck 1931-4-2 1000 Sonoma Boyes Springs 30 Comment
  CAS-BOT-BC29168  Achyrachaena mollis Barrett Anderson 1987-4-27 3454 Sonoma Petaluma, south of El Rose and west of D Street. 120 Comment
  POM182698  Achyrachaena mollis D. D. Keck 1931-4-2 1000 Sonoma Boyes Springs 30 Comment
  UCD104032  Acmispon brachycarpus Frederica Bowcutt 1996-3-24 2084 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 0.5 air mile SSE of Red Mountain. Near large rock outcrop/Vista Rock along Vista Trail. 563 Comment
  UCD104198  Acmispon grandiflorus var. grandiflorus P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UC455481  Adenocaulon bicolor I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UCD128405  Adenocaulon bicolor Frederica Bowcutt 1994-6-12 1873 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. In Adobe Canyon just south of Adobe Canyon Road. Western trail ahead for Canyon Trail. 274 Comment
  CAS-BOT-BC30279  Adenocaulon bicolor Volney Rattan 1877-6-25 s.n. Sonoma Cloverdale Comment
  UCD162160  Adiantum aleuticum D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1514 Sonoma Hooker Creek watershed. 480 Comment
  UC1193407  Adiantum jordanii P. Zinke 1950-4-25 113 Sonoma Oat Valley; Quadrangle 61A4 182 Comment
  HSC937  Adiantum jordanii F. Demostene 1966-4-8 33 Sonoma 25 mi. W of Healdsburg Comment
  RSA0065937  Aegilops triuncialis Greg de Nevers 1989-04 9066 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  CAS-BOT-BC173633  Agoseris Peter Rubtzoff 1974-5-19 7449 Sonoma Todd Road, 1.4 mi. from Hwy. 116, and 0.6 miles from Llano Road. Comment
  CHSC8156  Agoseris apargioides M. Banning 1969-5-10 116 Sonoma 2 mi N. Bodega Bay on Hwy 1, roadside. 30 Comment
  RSA416393  Agoseris grandiflora Christopher Davidson 1977-6-20 6027 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  CAS-BOT-BC166693  Agrostis Peter Rubtzoff 1973-9-9 s.n. Sonoma Kenwood Marsh, 0.5 mi. S of Kenwood. Comment
  CAS-BOT-BC166695  Agrostis Peter Rubtzoff 1974-5-25 7461 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC166696  Agrostis Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7848 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC376368  Agrostis Greg de Nevers 1992-6-26 10201 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 91 Comment
  RSA785750  Agrostis Peter Rubtzoff 1967-8-22 5857 Sonoma SE of Lower Salmon Creek Marsh Comment
  RSA785930  Agrostis Peter Rubtzoff 1968-7-13 5918 Sonoma Upper Salmon Creek Marsh. Comment
  UCD164001  Agrostis Peter Rubtzoff 1977-9-4 9130 Sonoma Cunningham Marsh area. Ca. 1 air mi. WSW of Cunningham Station. Comment
  SEINET10717807  Agrostis P. Rubtzoff 1968-7-13 Rubtzoff 5918 Sonoma Upper Salmon Creek Marsh. Comment
  SEINET10915785  Agrostis P. Rubtzoff 1964-6-24 Rubtzoff 5368 Sonoma Lower Salmon Creek Marsh. Comment
  UCD35657  Agrostis ampla Beecher Crampton 1959-6-16 5391 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  UCR152276  Agrostis ampla Beecher Crampton 1959-6-16 5391 Sonoma 2 mi east of Occidental, Jonive School Area Comment
  CAS-BOT-BC127548  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  SEINET3916084  Agrostis blasdalei Beecher Crampton 1957-7-11 4330 Sonoma 0.9 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1.; 0 Comment
  UCD37153  Agrostis densiflora Beecher Crampton 1957-7-11 4336 Sonoma Sonoma County, 1.7 miles north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD51890  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach. Comment
  UCD51891  Agrostis densiflora Beecher Crampton 1957-7-22 4397 Sonoma 1/4 mile north of Fort Ross, State Hwy. 1. Comment
  UCD51975  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach. Comment
  UCD52002  Agrostis densiflora Beecher Crampton 1957-7-11 4332 Sonoma Sonoma Coast State Park, 0.9 mile north of Salmon Creek. Comment
  UCD52007  Agrostis densiflora Beecher Crampton 1957-7-22 4357 Sonoma along State Hwy. 1, 0.3 miles north of Stewart's Point. Comment
  CAS-BOT-BC126960  Agrostis exarata Greg de Nevers 1992-6-26 10208 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  UC1153924  Agrostis exarata Beecher Crampton 1957-7-22 4361 Sonoma along State Highway 1 8.0 mi n Stewart's Point Comment
  UC573821  Agrostis exarata H. S. Yates 1937-5-31 6565 Sonoma in meadow 1 1/2 mi ne Petrified Forest; Calistoga Quadrangle Comment
  UCD167557  Agrostis exarata James A. Neilson Jr. 1975-7-8 3381 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD52116  Agrostis exarata Beecher Crampton 1955-6-17 2943 Sonoma 4.5 miles S of Cazadero. Comment
  UCD53051  Agrostis microphylla Freed W. Hoffman 1944-5-30 2013 Sonoma Russian River, Guernewood Park. Comment
  CAS-BOT-BC139121  Agrostis oregonensis Peter Rubtzoff 1951-6-16 254 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  UCD55791  Aira caryophyllea var. capillaris R. Tofsrud 1941-5-1 151 Sonoma Kenwood. Comment
  CAS-BOT-BC138211  Aira caryophyllea var. caryophyllea David L. Morgan 1955-6-30 s.n. Sonoma Under bridge at Austin Creek, 3 miles west of Monte Rio, State Highway #12. Comment
  SEINET3917482  Aira praecox Fred W. Hoffman 1944-5-22 1992 Sonoma Cruz Ranch, Sonoma Coast near shore.; 0 Comment
  RSA790061  Alisma lanceolatum Peter Rubtzoff 1970-8-18 6303 Sonoma Five miles north of Sears Point. Comment
  RSA790062  Alisma lanceolatum Peter Rubtzoff 1976-5-30 8570 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC182744  Alisma triviale Peter Rubtzoff 1970-8-18 6304 Sonoma Five miles north of Sears Point Comment
  CAS-BOT-BC445459  Alisma triviale John Thomas Howell 1947-6-26 23310 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC445463  Alisma triviale Peter Rubtzoff 1956-9-15 2903 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC445465  Alisma triviale Peter Rubtzoff 1958-8-16 3874 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road). Comment
  CAS-BOT-BC445466  Alisma triviale Peter Rubtzoff 1958-7-5 3741 Sonoma Atascadero Creek Marsh. Comment
  JEPS47568  Allium amplectens W. L. Jepson 1921-5-6 9190 Sonoma Sonoma Valley 30 Comment
  CAS-BOT-BC462381  Allium amplectens Milo S. Baker 1927-6-10 2211 a Sonoma Macartney Woods Comment
  CAS-BOT-BC462387  Allium amplectens R. C. Barneby 1954-4-30 11226 Sonoma S of Schellville 100 Comment
  POM180615  Allium dichlamydeum J. T. Howell 1930-6-8 5282 Sonoma 8.5 miles north of Bodega Bay. Comment
  CAS-BOT-BC469103  Allium dichlamydeum David D. Keck; J. Clausen 1935-6-15 3366 Sonoma 1 mile north of Salmon Creek Comment
  CAS-BOT-BC469105  Allium dichlamydeum John H. Thomas 1976-6-15 18323 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC469106  Allium dichlamydeum L. R. Abrams 1920-7-3 7630 Sonoma near Stewart's Point Comment
  CAS-BOT-BC474311  Allium unifolium Peter Rubtzoff 1962-5-30 4852 Sonoma Freestone Marsh Comment
  CAS-BOT-BC474317  Allium unifolium D. E. Breedlove 1980-5-3 44654 Sonoma Pepperwood Ranch W. of Knights Valley Comment
  UCD141805  Allium unifolium T. C. Fuller 1967-5-19 15884 Sonoma between ditchbank and fence, south side of Petaluma Valley Ford Hwy, 2 miles NW of Two Rock. Comment
  UCD138618  Allium vineale G. D. Barbe 1974-4-29 1782 Sonoma 1 mile south of Washington School Road on Asti Road, Asti. Comment
  RSA786922  Alnus rhombifolia Carrie A. Herd 1982-03 23 Sonoma Crane Creek Regional Park Comment
  CAS-BOT-BC169363  Alnus rubra Peter Rubtzoff 1957-6-28 3386 Sonoma Duncans Mills Marsh, upper part of the marsh Comment
  CAS-BOT-BC169365  Alnus rubra Peter Rubtzoff 1959-6-13 4135 Sonoma Willows Creek Marsh, growing along Willow Creek 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
  UCD166182  Alnus rubra Peter Rubtzoff 1969-7-21 6118 Sonoma Duncan Mills Marsh. Comment
  JEPS45803  Alopecurus aequalis var. sonomensis Eleanor Armstrong 1932-5-25 173 Sonoma 3 mi. w. Graton (<Schackley> Flat) 45 Comment
  RSA129280  Alopecurus aequalis var. sonomensis H. S. Yates 1937-5-30 6555 Sonoma 1.5 miles E. of Occidental. 91 Comment
  SEINET11933370  Amaranthus blitoides W. Knight, Knight, I.; Edwards, S. W. 1984-1 5068 Sonoma along Willow Creek between Denman Flat and Corona Rd, 2 mi N of downtown Petaluma 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
  RSA90498  Amelanchier florida M. V. Ott 1934-3-31 82 Sonoma Larkspur Hill about 3 miles W of Bodega, near the coast. Comment
  CAS-BOT-BC135664  Amelanchier utahensis Peter Rubtzoff 1954-7-26 1563 Sonoma Open, southern slope of Irish Hill above lower Salmin Creek Comment
  CAS-BOT-BC154126  Ammannia Peter Rubtzoff 1973-8-27 7272 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC154125  Ammannia coccinea Peter Rubtzoff 1963-9-21 5271 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  UCR279886  Ammannia robusta Peter Rubtzoff 1972-8-26 6860 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  RSA264758  Ammi majus Peter Rubtzoff 1975-8-16 8330 Sonoma Bennet Valley Road 1.8 miles east of Yalupa Ave. junction (ca. 4 miles east of Brigham Ave. crossing). Comment
  CAS-BOT-BC137884  Ammophila arenaria David L. Morgan 1956-7-14 s.n. Sonoma Dunes at Salmon Creek Beach, just off State Highway #1. Comment
  CAS-BOT-BC361327  Amorpha californica Greg de Nevers 1997-8-17 11081 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  CAS-BOT-BC177230  Amorpha californica var. napensis Walter Knight; Irja Knight 1963-9-15 384 Sonoma Los Alamos Rd, Santa Rosa Comment
  SEINET7062934  Amorpha californica var. napensis A. G. Vestal 1947-5-16 s.n. Sonoma About 8.2 miles east of Windsor on Porter Creek Road. UTM Zone 10, 528660mE, 4266821mN. (WGS84/NAD83). 329 Comment
  CAS-BOT-BC222282  Amsinckia John Thomas Howell 1934-3-26 11786 Sonoma Southwestern base of Mt. Hood Comment
  RSA178650  Amsinckia spectabilis Roxana S. Ferris 1932-5-27 8257 Sonoma Bodega Bay. Comment
  SEINET12337128  Amsinckia spectabilis C. Best, Irja, W.; Knight, T. 1991-1 6601 Sonoma Bodega Marine Preserve Comment
  RSA0089704  Amsinckia vestita Amos Arthur Heller 1940-4-22 15547 Sonoma Anderson Valley. Comment
  POM44461  Anagallis arvensis Janet Beckman 1882-7-17 s.n. Sonoma Duncans Wills. Comment
  RSA785704  Anagallis arvensis Carrie A. Herd 1982-5-19 117 Sonoma Rohnert Park, C.S.U. Sonoma, Cluster School Building closest to Nichols Hall. Comment
  UCD117444  Anagallis arvensis Charles B. Heiser Jr. 1946-4-14 s.n. Sonoma Bodega Bay. Comment
  UCD117554  Anagallis arvensis C. Wistrom 1996-4-6 20 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  UCD15058  Anagallis arvensis James Aronson 1977-4-15 19 Sonoma California, Sonoma Co.; 10.4 miles west of intersection with Dutcher Creek Road along Skaggs Springs Road; Comment
  UC36576  Ancistrocarphus filagineus Edw. L. Greene 1892-4-30 Sonoma Mt. St. Helena Comment
  UC1146605  Andropogon glomeratus var. pumilus Freed W. Hoffman 1942-6-13 2046 Sonoma around Hot Springs the Geysers; North Coast Ranges, , the Geysers Comment
  JEPS74598  Andropogon glomeratus var. scabriglumis L. R. Heckard 1974-8-21 3825 B Sonoma s.-central part near end of Templeton rd. Pitkin Marsh Comment
  CAS-BOT-BC391877  Anemone grayi Ella Dales Cantelow 1939-4-10 4233 Sonoma 7 mi. e. of Seaview Comment
  JEPS16079  Angelica hendersonii W. L. Jepson 1931-7-19 15940 Sonoma Salmon Creek 12 Comment
  UCD127228  Angelica hendersonii Mary M. Hektner; Cathy Hendel 1974-7-25 175 Sonoma Shell Beach; Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC174199  Angelica tomentosa Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  UC479153  Angelica tomentosa Marcus E. Jones, A. M. 1931-7-5 29050 Sonoma w of Cloverdale Comment
  CDA38219  Angelica tomentosa A. A. Heller 1902-6-26 s.n. Sonoma Northwestern; Inner North Coast Ranges region; Along Sonoma Creek, at the foot of Mt. Hood. 0 Comment
  UCD126249  Angelica tomentosa Frederica Bowcutt 1997-7-20 2204 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood, 1 air mile S of Red Mountain. Edge of service roade just SW of group campground. Adobe Canyon near trailhead to Meadows Trail. 396 Comment
  CAS-BOT-BC271440  Anisocarpus madioides H. M. Hall 1931-5-28 13103 Sonoma Four miles northeast of Mark West Spr., Northeastern Sonoma County Comment
  CAS-BOT-BC173823  Anthemis cotula Peter Rubtzoff 1959-9-19 4279 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  RSA796687  Anthemis cotula Peter Rubtzoff 1956-9-14 2895 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD148409  Anthemis cotula Peter Rubtzoff 1958-8-9 3834 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC102231  Anthemis cotula W. & I. Knight 1984-8-26 5423 Sonoma Willow Creek Road 60 Comment
  POM261545  Anthoxanthum aristatum Alice Eastwood, J. T. Howell 1936-5-19 2506 Sonoma 2 miles north of Windsor Comment
  POM311191  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma along Highway 101, north of Windsor. Comment
  CAS-BOT-BC280660  Anthoxanthum occidentale Catherine Best 1985-2-10 1064 Sonoma About .5 miles north of Occidental on the road parallel to the Bohemian Hwy. Comment
  HSC93590  Anthoxanthum occidentale G. Fred Hrusa, G. L. Stebbins 1994-3-28 11705 Sonoma 14 mi. W of Cazadero Comment
  CAS-BOT-BC137689  Anthoxanthum odoratum Peter Rubtzoff 1955-5-14 1849 Sonoma Duncans Mills Marsh. Around the eastern border of the Marsh. Comment
  UCD56167  Anthoxanthum odoratum David L. Morgan 1956-5-23 s.n. Sonoma Middle Two Rock Road, 100 yds from junction of Petaluma-Valley Ford Rd. 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
  POM14617  Antirrhinum virga A. A. Heller 1902-6-26 5775 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC447697  Aphanes occidentalis Peter H. Raven 1954-2-27 6422 Sonoma Cavedale Rd., ca. 3 miles n. of Boyes Springs, Sonoma Valley. Comment
  CAS-BOT-BC457590  Aphanes occidentalis G. DeNevers 1981-5-14 1147 Sonoma Pepperwood Ranch, Pippindale Garden. Comment
  UCR255744  Apiastrum angustifolium Greg de Nevers 1997-4-16 10934 Sonoma North Coast Range, Cavedale Road 152 Comment
  RSA0056423  Apiastrum angustifolium Greg de Nevers 1997-4-16 10934 Sonoma Cavedale Road. 152 Comment
  UC874548  Apiastrum angustifolium Milo S. Baker 1940-5-29 9661 Sonoma 1/2 mi s of Santa Rosa-Calistoga Highway (w of Calistoga) Comment
  UC726166  Apocynum cannabinum A. A. Heller 1902-6-22 5732 Sonoma Santa Rosa Comment
  CAS-BOT-BC394993  Aquilegia formosa Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC394996  Aquilegia formosa A. A. Heller; H. E. Brown 1902-4-11 5274 Sonoma Bodega Bay Comment
  UC1125882  Aquilegia formosa E. Armstrong 1934-3-26 947 Sonoma Camp Meeker Sebastopol Quad. 60 Comment
  CAS-BOT-BC394995  Aquilegia formosa Volney Rattan 1877-1-1 s.n. Sonoma Cloverdale Comment
  CHSC69207  Arctostaphylos James D. Jokerst 1989-4-14 3099 Sonoma Healdsburg Area A Specific Plan Study, in project area. On ridge adjacent to existing subdivision, SW portion of project area. Comment
  RSA629202  Arctostaphylos Jon E. Keeley 1993-9-11 24781 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629211  Arctostaphylos Jon E. Keeley 1993-9-11 24779 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629212  Arctostaphylos Jon E. Keeley 1993-9-11 24778 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC535018  Arctostaphylos H. F. Copeland 1933-3-18 A 13 Sonoma on College Ave. Hwy near Santa Rosa; Vine Hill region Comment
  UC535021  Arctostaphylos H. F. Copeland 1933-3-18 A 10 Sonoma w Santa Rosa; Vine Hill region Comment
  CAS-BOT-BC24088  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10953 Sonoma 2 miles east of Occidental Comment
  UCD170221  Arctostaphylos bakeri S. J. Seybold; M. A. Siefker 2017-11-14 s.n. Sonoma Vadasz Vineyards, 18070 Carriger Road. Located behind main house on property. 64 Comment
  UCD50404  Arctostaphylos bakeri A. E. Wieslander 1936-9-19 706 Sonoma 1 mile northwest of Occidental. 213 Comment
  UCD50406  Arctostaphylos bakeri E. Armstrong 1934-3-26 932 Sonoma 3 m. N. Camp Meeker. 91 Comment
  RSA74469  Arctostaphylos bakeri subsp. bakeri Milo S. Baker 1933-3-26 7339 Sonoma near summit of Harrison's Grade 1 mi. NE of Occidental Comment
  JEPS38622  Arctostaphylos canescens Willis L. Jepson 1894-7-19 14699 Sonoma Mt. St. Helena Napa River Basin Comment
  OBI14764  Arctostaphylos canescens H. E. McMinn 1936-4-4 4395 Sonoma Ridge near R.L. Stevenson Monument, Mt. St. Helena Comment
  RSA622723  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24768 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA622725  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24766 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UCD50543  Arctostaphylos canescens Roman Gankin; W. R. Hildreth and Ken Milam 1965-4-16 517 Sonoma 0.2 mile on Rockridge Lane from Montecito Road, on Sones Property, Rincon Ridge, Santa Rosa. Comment
  CAS-BOT-BC23886  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12896 Sonoma Rincon Ridge NE of Santa Rosa Comment
  POM367247  Arctostaphylos canescens subsp. sonomensis L. S. Rose 1934-2-22 34030 Sonoma Rincon Ridge, 3 mi NE Santa Rosa Comment
  UC1120078  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1576 Sonoma 3/4 mi sw County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  UC876538  Arctostaphylos canescens subsp. sonomensis Lewis S. Rose 1940-2-12 40006 Sonoma 2 mi e Santa Rosa (type locality); Rincon Ridge 60 Comment
  UC876542  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1936-10 8622 Sonoma halfway to summit Rutherford-Glen Ellen Road Comment
  CAS-BOT-BC23602  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11745 Sonoma Between Fort Ross and Stewart's Point Comment
  HSC99995  Arctostaphylos columbiana J. P. Smith, , J. O. Sawyer, & R. J. Cole 2009-10-10 12691 Sonoma Salt Point State Park Comment
  CAS-BOT-BC24992  Arctostaphylos densiflora Milo S. Baker 1929-6-1 3572 Sonoma Near Vine Hill Schoolhouse. Comment
  RSA31996  Arctostaphylos densiflora A. A. Heller 1942-3-15 16398 Sonoma just west of Vine Hill School Comment
  UC1120150  Arctostaphylos densiflora C. M. Belshaw 1936-3-7 1568 Sonoma in depression just e Trenton-Forestville; Sebastopol Quadrangle Comment
  UC1281202  Arctostaphylos densiflora H. E. McMinn 1936-4-5 4412 Sonoma just w Vine Hill School (16 mi w of Santa Rosa) Comment
  UC876398  Arctostaphylos densiflora Milo S. Baker 1933-3-18 7330 Sonoma near Vine Hill School House (10 mi w of Santa Rosa) Comment
  CDA38591  Arctostaphylos densiflora T. C. Fuller 1958-5-24 3997 Sonoma Vinehill District. 0 Comment
  SEINET11987218  Arctostaphylos densiflora W. Knight, Knight, I. 1980-1 3856 Sonoma along Vine Hill Rd across from McConnell's place Comment
  UCD162762  Arctostaphylos glandulosa Dylan O. Burge 2014-6-5 1641 Sonoma Mayacmas Mountains, western slope of Hooker Canyon, at Elarra Reserve. 500 Comment
  SEINET11987350  Arctostaphylos glandulosa f. cushingiana W. Knight, Knight, I. 1981-1 3959 Sonoma 2.3 mi up Cavedale Rd from junction of CA 12 Comment
  CAS-BOT-BC23284  Arctostaphylos glandulosa subsp. cushingiana Mary P. Wells 1985-10-4 669 Sonoma ca. 1 mile south of Gualala River Comment
  CAS-BOT-BC23325  Arctostaphylos glandulosa subsp. cushingiana C. Hart Merriam 1907-7-27 s.n. Sonoma Mt. St. Helena, Knights Valley slope Comment
  RSA631188  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24720 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24676  Arctostaphylos glandulosa subsp. glandulosa J. E. Adams 1934-3-28 726 Sonoma 5 mi. n. of Cazadero. 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
  RSA177920  Arctostaphylos glandulosa subsp. glandulosa R. F. Thorne 1965-4-20 34374 Sonoma 4 mi . up Cavedale Rod., ca. 6 mi. N of sonoma. 457 Comment
  UC1120216  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-3-8 1572 Sonoma 1 1/2 mi n County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  UC549398  Arctostaphylos glandulosa subsp. glandulosa J. E. Adams 1934-3-28 728 Sonoma five mi from Seaview (Cazadero Road) 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
  CAS-BOT-BC38989  Arctostaphylos manzanita Roger Raiche 1983-7-4 30475 Sonoma East Austin Creek State Rec. Area, Morrison Ridge above Gilliam Creek, along old mine road. 274 Comment
  CAS-BOT-BC38993  Arctostaphylos manzanita Roger Raiche 1982-11-21 20862 Sonoma Serpentine ridge above Gilliam Creek, East Austin Creek State Rec. Area Comment
  RSA633060  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24711 Sonoma Along Calistoga Road, 19 km southwest of Highway 128. 220 Comment
  UCD52166  Arctostaphylos manzanita Beecher Crampton 1955-6-17 2978 Sonoma 2.4 miles south of Monte Rio; road to Camp Meeker. Comment
  UCD52228  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1069 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  OBI14641  Arctostaphylos manzanita Robert F. Hoover 1963-1-12 8548 Sonoma Triniti rd, Hoods Peak Range Comment
  SEINET11990974  Arctostaphylos manzanita Unknown 1983-1 30491 M Sonoma nr fire road near confluence of Gilliam Creek & Schoolhouse Creek, East Austin Creek State Rec Area 122 Comment
  SEINET11990980  Arctostaphylos manzanita Unknown 1982-1 20862 Sonoma above Gilliam Creek, East Austin Creek State Rec. Area Comment
  SEINET11993337  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4753 Sonoma The Cedars, near Cazadero, on Twitchell Ranch 274 Comment
  CAS-BOT-BC38904  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11301 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38682  Arctostaphylos manzanita subsp. manzanita Catherine Best 1981-2-15 s.n. Sonoma Trinity Mt. Road between Sonoma and Napa Valleys Comment
  CAS-BOT-BC38741  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1964-11-15 788 Sonoma Hood's Peak, on road below Johnson Lake. Comment
  CAS-BOT-BC38746  Arctostaphylos manzanita subsp. manzanita Ira L. Wiggins 1932-3-12 5762 Sonoma Hillsides between Franz Valley and Knights Valley Comment
  JEPS38656  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1914-9-19 6192 Sonoma Agua Caliente 42 Comment
  RSA44376  Arctostaphylos manzanita subsp. manzanita L. S. Rose 1949-3-27 49016 Sonoma East of Beltane. 114 Comment
  SBBG28821  Arctostaphylos manzanita subsp. manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 mi W of Santa Rosa Comment
  SBBG60027  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mtn Rd, ca. 8 mi E of Santa Rosa Comment
  UC1043526  Arctostaphylos manzanita subsp. manzanita P. C. Everett and E. K. Balls 1954-10-20 20377 Sonoma 4 mi sw Lake-Sonoma Co. line (nw to w slope Mt. St. Helena) 640 Comment
  UC1094000  Arctostaphylos manzanita subsp. manzanita Lewis S. Rose 1955-3-21 55033 Sonoma 2 mi ne Santa Rosa; Rincon Ridge 152 Comment
  UC480591  Arctostaphylos manzanita subsp. manzanita Carl Meyer 1928-3-3 303 Sonoma Santa Rosa Comment
  SBBG28819  Arctostaphylos patula H. F. Copeland 1932-3-18 A 4 Sonoma Rincon Ridge, N of Santa Rosa Comment
  CAS-BOT-BC47333  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1964-1-17 517 Sonoma Upper Hooker Canyon. Cloverdale Rd. Comment
  CAS-BOT-BC47335  Arctostaphylos stanfordiana J. Clausen 1933-3-25 722 Sonoma About 4 mi. e. of Warfield on road to Oakville. 213 Comment
  JEPS98851  Arctostaphylos stanfordiana James B. Roof 1963-2-28 Sonoma Mt. St. Helena 868 Comment
  LA42281  Arctostaphylos stanfordiana H. F. Copeland; 1933-3-18 A 6 Sonoma Rincon Ridge, near Santa Rosa Comment
  RSA636811  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24753 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636812  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24752 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  SEINET2028696 Image available Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 Sonoma Rincon Ridge, near Santa Rosa Comment
  SEINET3164339  Arctostaphylos stanfordiana L. S. Rose 1940-2-12 40007 Sonoma Rincon Ridge, 2 mi. e. of Santa Rosa 61 Comment
  UC126754  Arctostaphylos stanfordiana Miss Alice Eastwood 1907-3-29 Sonoma Mt. St. Helena Comment
  UC535020  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 11 Sonoma Spring Mountain Rd about 8 mi e Santa Rosa Comment
  UC549547  Arctostaphylos stanfordiana J. E. Adams 1934-3-10 637 Sonoma Mt. St. Helena Comment
  UCD53848  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 687 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road; 3.1 miles east of junction with State Highway 12. Comment
  JEPS83499  Arctostaphylos stanfordiana subsp. decumbens Jack and Betty Guggolz 1986-2-22 847 Sonoma Sones-Finley properties Comment
  JEPS95234  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  SBBG100093  Arctostaphylos stanfordiana subsp. decumbens J. Guggolz, B. Guggolz 1985-6-10 838 Sonoma just outside Conservation Easement at the end of Bluesage Court in Southridge Development Comment
  RSA177970  Arctostaphylos stanfordiana subsp. stanfordiana R. F. Thorne 1965-4-20 34344 Sonoma Top of Parker Hill (N end of Parker Hill Rd.) ca. 3 mi. No. of Santa Rosa. 244 Comment
  RSA96695  Arctostaphylos stanfordiana subsp. stanfordiana P. C. Everett, E. K. Balls, George B. Everett 1954-10-20 20376 Sonoma 4 mi. s.w. of Lake-Sonoma Co. line, n.w. to w. slope Mt. St. Helena. 640 Comment
  SEINET11993703  Arctostaphylos stanfordiana var. repens Unknown 1985-1 50041 Sonoma unnamed ridge W side of Cry Creek Valley, N of Crane Cr & S of Bradford Mt 183 Comment
  SDSU2845  Arctostaphylos viscida D. F. Howe 1972-2-20 4805 Sonoma Trinity Road, Mt. Mood Range. Note: Label states 5,800 feet altitude, beyond maximum for county, changed to 2,800 feet. 878 Comment
  RSA202101  Arctostaphylos viscida subsp. pulchella Freed W. Hoffman 1947-2-28 762 Sonoma Near Guerneville, headwaters of Gilliam Creek. Comment
  CAS-BOT-BC47468  Arctostaphylos viscida subsp. viscida Stephen W. Edwards 1982-5-30 s.n. Sonoma The Cedars Ridge, north of Cazadero, northwest of King Ridge Road at source of Big Austin Creek. Comment
  RSA262356  Armeria maritima subsp. californica Steven Yoder 1969-5-24 29 Sonoma 1 mile N of Bodega Marine Lab. 9 Comment
  RSA0065159  Arnica discoidea Greg de Nevers 1997-4-24 10956 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  UC573782  Arrhenatherum elatius H. S. Yates 1937-5-30 6557 Sonoma 1 1/2 mi n of Freeestone 91 Comment
  SEINET14286772  Arrhenatherum elatius D. Keil 1983-1 17210 Sonoma Stillwater Cove Regional Park Comment
  CAS-BOT-BC90496  Artemisia douglasiana Walter Knight; Irja Knight 1963-9-15 297 Sonoma Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC90491  Artemisia douglasiana John Thomas Howell 1926-11-14 2253 Sonoma Two miles east of Santa Rosa Comment
  RSA94406  Artemisia douglasiana F. W. Peirson 1925-8-8 6342 Sonoma Roadside 6 miles south of Santa Rosa Comment
  CAS-BOT-BC90864  Artemisia pycnocephala John H. Thomas 1969-9-21 15473 Sonoma near mouth of Russian River Comment
  SBBG1379  Asarum caudatum H. and M. Dearing 1939-5-15 3381 Sonoma N of Fort Ross Comment
  UCD137840  Asarum caudatum Walter Russell 1947-3-5 19 Sonoma near Sebastopol. Comment
  UCSB40584  Asarum caudatum Takeda, Brian 1978-5-28 Sonoma 20 miles north of Bodega Bay on highway 1 in a small Redwood canyon Comment
  UC1123503  Asclepias cordifolia H. S. Yates 1934-4-22 3854 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  UC1084478  Asclepias fascicularis G. Thomas Robbins 1937-6-18 250 Sonoma College Avenue Santa Rosa Comment
  CAS-BOT-BC222859  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-BC478541  Asparagus officinalis Peter Rubtzoff 1951-9-15 766 Sonoma Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC68781  Aspidotis densa D. E. Breedlove 1980-6-28 44806 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC68786  Aspidotis densa James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers. Comment
  CDA31025  Aster radulinus D. G. Kelch, Troy McGregor 2010-8-22 10 .345 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  CAS-BOT-BC164695  Asteraceae Peter Rubtzoff 1966-5-29 5730 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC164696  Asteraceae Peter Rubtzoff 1969-5-3 6010 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC371456  Asteraceae Greg de Nevers 1989-4-1 9054 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By tank at Skovie. 400 Comment
  CAS-BOT-BC157688  Asteraceae Peter Rubtzoff 1969-6-15 6085 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  NY5343  Astragalus breweri W. H. Brewer 1860-1 974 Sonoma Sonoma Valley. Comment
  RSA108728  Astragalus claranus R. C. Barneby 1954-5-20 11581 Sonoma 7 miles NE of Santa Rosa near Alpine Scool. 500 Comment
  RSA108730  Astragalus claranus H. D. Ripley, R. C. Barneby 1954-4-30 11238 Sonoma 7 miles NE of Santa Rosa near Alpine School. 167 Comment
  RSA415795  Astragalus claranus J. T. Howell 1931-4-19 6431 Sonoma 12.5 miles from St. Helena on Spring Mountain Road to Santa Rosa. Comment
Read comments
Nov 17 2007
  SEINET7067264  Astragalus gambelianus A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  UC71465  Athyrium filix-femina var. cyclosorum J. Burtt Davy 1896-7-22 4145 Sonoma Russian River Comment
  CAS-BOT-BC290669  Atriplex Peter Rubtzoff 1958-9-20 3996 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  RSA0018576  Atriplex Peter Rubtzoff 1958-9-20 3990 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UCD38528  Avena Beecher Crampton 1956-3-13 3227 Sonoma Asti. Comment
  CAS-BOT-BC146139  Avena barbata John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53952 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  RSA127609  Avena fatua David L. Morgan 1956-5-11 s.n. Sonoma 311 Mountain View Ave., Petaluma. Comment
  CAS-BOT-BC98602  Baccharis douglasii Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  RSA784562  Baccharis douglasii Peter Rubtzoff 1958-8-23 3918 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC99588  Baccharis pilularis Alice S. M. McKenzie 1980-11-28 s.n. Sonoma Coast between Russian and Gualala Rivers. Beside Calif. State Hwy. #1 in Russian Gulch, E side of gulch Comment
  POM213043  Baccharis pilularis C. B. Wolf 1934-10-13 6182 Sonoma 2 2/5 miles north of mouth of Russian River. 61 Comment
  HSC2223  Baccharis pilularis subsp. pilularis C. B. Wolf, E. R. Johnson 1934-10-13 6181 Sonoma 2 4/10 miles N of mouth of Russian River Comment
  POM56589  Baccharis salicifolia Michener, Bioletti 1893-06 s.n. Sonoma Glen Ellen Comment
  HSC5129  Baccharis salicifolia Greg Bos 1963-5-5 82 Sonoma Pina Creek, out of Healdsburg 91 Comment
  CAS-BOT-BC173600  Barbarea Peter Rubtzoff 1989-3-13 9982 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  UCD163790  Barbarea Peter Rubtzoff 1989-3-13 9982 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  UCD77421  Barbarea verna Robert E. Preston 1997-3-21 1020 Sonoma Petaluma, s side of Petaluma River, at railroad bridge 6 Comment
  POM144396  Barbarea vulgaris A. A. Heller, H. E. Brown 1902-3-20 s.n. Sonoma Near Windsor. Comment
  CAS-BOT-BC145828  Beckmannia syzigachne Hy Edwards 1877-1-1 s.n. Sonoma Knight's Valley. Comment
  CAS-BOT-BC145842  Beckmannia syzigachne Peter Rubtzoff 1955-5-14 1834 Sonoma Ross Marsh. Comment
  JEPS75075  Beckmannia syzigachne Edward Lee 1934-4-30 744 Sonoma 1 mi w. 2 Rock junction Comment
  RSA227241  Beckmannia syzigachne Peter Rubtzoff 1958-5-10 3645 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road. Comment
  CAS-BOT-BC106389  Bellis perennis L. R. Abrams 1920-7-3 7597 Sonoma Gualala River Comment
  CAS-BOT-BC75775  Berberis pinnata A. A. Heller; H. E. Brown 1902-4-11 5257 Sonoma Bodega Bay. Comment
  RSA227208  Berula erecta Peter Rubtzoff 1954-9-4 1728 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC290573  Bidens laevis Peter Rubtzoff 1963-10-23 5299 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC290575  Bidens laevis Peter Rubtzoff 1962-11-8 5129 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC290576  Bidens laevis Peter Rubtzoff 1961-9-6 4740 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  RSA0019008  Bidens laevis Peter Rubtzoff 1961-9-6 4740 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  RSA0019009  Bidens laevis Peter Rubtzoff 1967-9-16 5882 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh. Comment
  SEINET7249073  Bidens laevis Peter Rubtzoff 1962-1 5130 Sonoma Pitkin Marsh, near Forestville. Comment
  UCR255452  Bistorta bistortoides Ann Howald 2014-5-2 3003 Sonoma North Coast, c. 1.5 mi southeast of Del Mar Point 23 Comment
  CAS-BOT-BC100256  Blennosperma bakeri John Thomas Howell 1949-4-6 25303 Sonoma Low field sw. of Sonoma Comment
  CAS-BOT-BC258028  Blennosperma bakeri Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7391 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UC735724  Blennosperma bakeri Charles B. Heiser Jr. 1947-3-29 1892 Sonoma western outskirts of Sonoma, about 1/4 mi s of Napa St. Sonoma Comment
  CAS-BOT-BC100253  Blennosperma bakeri Rimo Bacigalupi; R. Ornduff; L. Heckard 1964-3-25 8924 Sonoma In pastures along (east of) Arnold Drive, 0.7 mile north of its junction with State Highway 37, south of Sonoma Comment
  SEINET4964102  Blennosperma bakeri Unknown 1946-1 Sonoma Comment
  CAS-BOT-BC105960  Blennosperma nanum var. nanum Milo S. Baker 1946-4-21 11355 Sonoma Santa Rosa - Sonma Hwy near old Dunbar School house Comment
  RSA790899  Boisduvalia Peter Rubtzoff 1974-5-26 7491 Sonoma 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC154958  Boisduvalia densiflora Peter Rubtzoff 1958-8-23 3920 Sonoma Laguna de Santa Rosa, E of Cunningham (near Llano Road) Comment
  CAS-BOT-BC154974  Boisduvalia densiflora Peter Rubtzoff 1957-8-17 3519 Sonoma Occidental Marsh Comment
  CAS-BOT-BC154870  Boisduvalia densiflora Peter Rubtzoff 1968-8-31 5948 Sonoma Russian River bottom at Forest Hills, 5.5 miles E of Guerneville. Comment
  RSA790716  Boisduvalia densiflora Peter Rubtzoff 1961-7-22 4660 Sonoma Bennett Mountain Lake. Comment
  RSA790866  Boisduvalia densiflora Peter Rubtzoff 1969-8-26 6154 Sonoma River Road. 3 miles W of Fulton. Comment
  CAS-BOT-BC173611  Boisduvalia glabella Peter Rubtzoff 1956-9-14 2875 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  UC1100890  Bolboschoenus maritimus Herbert L. Mason and Verne Grant 1946-8-28 13076 B Sonoma Mouth of Tolay Creek. Comment
  CDA17201  Boykinia occidentalis G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16200 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 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
  HREC396 Image available Brachypodium distachyon Kerry L. Heise 1997-5-8 2025 Sonoma IHRMP study site #6 Asti. 1 1/2 mi south of Asti. Comment
  SEINET10480785  Brassica nigra David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-9 Dunn 20710 Sonoma Collected 5.3 mi e of the jct of hwy 101 and hwy 116 on 116. Rolling hills of grasses. Along the roadside in clay banks. Comment
  RSA723660  Brassica rapa R. R. Halse 1987-2-22 3374 Sonoma Along State Hwy 121, 0.4 mile E of its junction with State Hwy 116 at Big Bend in the Sonoma Valley. 6 Comment
  UCD57125  Briza maxima Michael A. Vincent; Ethan H. Freid 1997-11-14 8172 Sonoma Bodega Bay. 0.5 mile northeast of city limits along Rt. 1. Comment
  CAS-BOT-BC145481  Briza maxima L. Beane; Lois E. James 1949-5-16 1949 Sonoma About 3 miles south of Cloverdale. Comment
  SEINET10514367  Briza maxima Ira L. Wiggins, Roxana S. Ferris 1943-4-30 Wiggins 10165 Sonoma Roadside 1/2 mile south of Asti, along U.S. Highway 101. Comment
  SEINET7042398  Briza maxima A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  RSA126875  Briza minor H. S. Yates 1936-5-3 5576 Sonoma 1 mile N.W. of Petrified Forest: Calistoga 305 Comment
  UC1130933  Briza minor H. S. Yates 1934-4-21 Sonoma near Duncan Mills; Duncan Mills Quadrangle Comment
  UCD57431  Briza minor Hursh 1919-5-12 X 3251 Sonoma Santa Rosa. Comment
  RSA94605  Briza minor Peter Rubtzoff 1951-6-9 154 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. 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
  CAS-BOT-BC361411  Brodiaea californica subsp. leptandra Greg de Nevers 1991-6-22 9753 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. In Devils Kitchen 457 Comment
  SEINET12049904  Brodiaea californica subsp. leptandra Unknown 1985-1 50553 Sonoma W side of Dry Cr. Valley, W of town of Dry Creek, unnamed ridge N of Crane Creek & S of Bradford Mt. 162 Comment
  CAS-BOT-BC474558  Brodiaea coronaria Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1 43 Comment
  CAS-BOT-BC486532  Brodiaea elegans subsp. elegans Peter Rubtzoff 1962-6-8 4884 Sonoma Bennett Mountain Lake Comment
  JEPS6194  Brodiaea terrestris subsp. terrestris Peter Kamb 1950-6-17 1880 Sonoma 2.9 mi w fork in road to Bodge and Valley Fork (Larkspur Rock, s side of Cheney Gulch); Larkspur Rock 30 Comment
Read comments
Jan 20 2008
  CAS-BOT-BC486472  Brodiaea terrestris subsp. terrestris H. C. Cantelow 1936-5-3 s.n. Sonoma Between Shellville and Verano Comment
  SBBG12947  Brodiaea terrestris subsp. terrestris A. I. Richardson 1961-6-17 22 Sonoma overlooking ocean, near Timber Cove, N of Ft Ross Comment
  UCD168051  Bromus James Neilson 1981-7-1 4045 Sonoma Mayacmas Mountains, entrance to Unit 15. (Exact location unknown. Coordinates estimated by label maker. Unit 15 is PG and E Power Plant 15 (retired).) Comment
  CAS-BOT-BC149491  Bromus arvensis Greg de Nevers 1987-6-1 8188 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 400 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
  UC1010989  Bromus carinatus var. carinatus Virginia Bufford 1936-5-19 263 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  UC577602  Bromus carinatus var. carinatus H. S. Yates 1934-6-21 Sonoma near Bodega 60 Comment
  CAS-BOT-BC155894  Bromus catharticus var. elatus John Thomas Howell 1955-4-14 30148 Sonoma Ranch yard, about 2 miles southeast of Sonoma. Comment
  UC1102639  Bromus diandrus P. Zinke 1950-4-23 110 Sonoma intersection of Big Sulphur Creek and Russian River (Outside National Forest, Cal. Forest and Range Experiment Station); Outside National Forest, Cal. Forest and Range Experiment St 152 Comment
  CAS-BOT-BC155203  Bromus hordeaceus Peter Rubtzoff 1958-5-10 3640 A Sonoma Lagunda de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC155205  Bromus hordeaceus Peter Rubtzoff 1960-5-15 4318 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC155206  Bromus hordeaceus David L. Morgan 1961-5-17 s.n. Sonoma East of Cotati on Petaluma Hill Road near Cotati Avenue. Comment
  CAS-BOT-BC155212  Bromus hordeaceus K. Wagnon 1939-4-26 175 Sonoma Near Wagnon home, 5 miles west of Sebastopol. Comment
  CAS-BOT-BC155250  Bromus hordeaceus John H. Thomas 1966-5-8 11596 Sonoma 1.4 miles west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. Comment
  CDA366  Bromus laevipes D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .27 Sonoma Cavedale Rd. Comment
  UC766917  Bromus laevipes R. F. Hoover 1941-5-14 5089 Sonoma 2 mi s of Monte Rio (on road to Camp Meeker) Comment
  UCD151079  Bromus laevipes James A. Neilson Jr. 1974-6-1 3007 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, ca. 3 1/2 mi. west of Whispering Pines, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  CAS-BOT-BC162255  Bromus maritimus David L. Morgan 1961-5-7 s.n. Sonoma Doran Park, about 1 mile south of Bodega Bay. Comment
  CAS-BOT-BC162256  Bromus maritimus Peter H. Raven 1963-4-28 18249 Sonoma Between town of Bodega Bay and Bodega Head. Comment
  CAS-BOT-BC185424  Bromus vulgaris Roxana S. Ferris; Laura Lorraine 1961-6-14 13536 Sonoma Joy Road grade, 1.8 mile from junction with Bodega Highway. Comment
  UCD166733  Cakile maritima Peter Rubtzoff 1955-8-20 2078 Sonoma Bodega Harbor Marsh. Comment
  UCD114957  Cakile maritima Walter Russell 1947-3-5 4 Sonoma Bodega Bay. Comment
  CAS-BOT-BC36919  Cakile maritima var. maritima A. A. Heller 1940-5-17 L 5627 Sonoma On the bluff north of the town of Bay, Bodega Bay. Comment
  UCR254889  Calamagrostis Peter Rubtzoff, Nancy Harrison 1978-6-11 9217 Sonoma Cunningham Marsh area, along northern tributary of Blucher Creek, c. 1 air mile WSW of Cunningham Station 38 Comment
  CAS-BOT-BC185413  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma State Highway 1, 8.7 miles south of Stewart's Point. Comment
  CAS-BOT-BC185402  Calamagrostis bolanderi Mary P. Wells 1985-10-4 677 Sonoma Along road in forest south of Gualala River. Comment
  CAS-BOT-BC185129  Calamagrostis nutkaensis Peter Rubtzoff 1963-8-17 5228 Sonoma Russian River Mouth Marsh. Comment
  UC1131348  Calamagrostis nutkaensis H. S. Yates 1937-5-30 6559 Sonoma 2 mi ne Freestone; Sebastapol Quadrangle Comment
  UCD57507  Calamagrostis nutkaensis Virginia Bufford 1936-5-22 409 Sonoma Hwy. 1, 9 miles south of Stewarts Point. Comment
  RSA94458  Calamagrostis nutkaensis Peter Rubtzoff 1952-5-21 1058 Sonoma The Pitkin Marsh, near Forestville; Western branch of the Upper Marsh. Comment
  SEINET10521062  Calamagrostis nutkaensis Alan A. Beetle 1945-8-4 Beetle 4012 Sonoma 10 miles north of Fort Ross, open coastal hills, grazed. Comment
  JEPS128372  Calamagrostis ophitidis Roger Raiche 1999-6-20 016 .99 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS86741  Calamagrostis ophitidis Jack and Betty Guggolz 1990-6-16 1085 Sonoma about 1 mi n Camp Meeker (upper end of reservoir on creek); Grub Creek 85 Comment
  UCD160969  Calamagrostis ophitidis James A. Neilson Jr. 1975-7-8 3411 Sonoma Mayacmas Mountains. Socrates Mine Road, near summit. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCD57535  Calamagrostis ophitidis R. Tofsrud 1948-7-1 s.n. Sonoma about halfway between The Geysers and Alexander Valley. Comment
  UCD165132  Calandrinia Peter Rubtzoff 1974-5-11 7396 Sonoma Laguna de Santa Rosa ca. 1 mile ESE of Sebastopol. Comment
  UC750590  Calendula arvensis J. Thomas Howell 1946-3-31 21591 Sonoma orchards and fields just e of Sonoma Comment
  UCSB45513  Callitriche palustris Roos, John 1957-7-2 Sonoma Miller's Ridge Comment
  RSA0037209  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4607 Sonoma Upper Stemple Creek Marsh. Comment
  JEPS61625  Calochortus amabilis Docia I. Patchett 1917-5-7 Sonoma Cazadero Road near Clark's Crossing Comment
  SD56795  Calochortus amabilis Darley F. Howe 1963-5-23 Sonoma 3.8 miles north of Cloverdale, on #128. 334 Comment
  UC672157  Calochortus amabilis Herbert L. Mason 1934-4-28 8068 Sonoma Jensen's Ranch Dohrman Creek Comment
  UCD160844  Calochortus amabilis James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3360 Sonoma One-quarter mile south of Eagle Rock on Geysers Road, The Geysers. (Elevation and coordinates estimated by label maker.) 457 Comment
  CAS-BOT-BC483291  Calochortus amabilis A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero Comment
  RSA377261  Calochortus amabilis Christopher Davidson 1977-6-20 6016 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  SBBG57657  Calochortus amabilis H. E. and S. T. Parks 1930-5-9 605 Sonoma Alexander Valley Comment
  SEINET8194287  Calochortus amabilis W. Roderick 1967-5-20 s.n. Sonoma Ida Clayton Road, NW side of Mount St. Helena. 305 Comment
  UC3418  Calochortus luteus Carl Purdy 1821-1 Sonoma Windsor Comment
  UC423014  Calochortus nudus Milo S. Baker Jul 1897 166 Sonoma Mayfield Road, Anderson's Sheep camp Comment
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Feb 12 2015
  UCSB636  Calochortus pulchellus Keator, Glenn 1959-4-2 Sonoma 0.9 miles east on Cavedale road and 2.0 miles northeast of Agua Caliente Comment
  UCD161318  Calochortus superbus James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3716 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Coordinates estimated by label maker.) Comment
  CAS-BOT-BC494024  Calochortus tolmiei Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC494039  Calochortus tolmiei Dorothy Scherer 1997-3-24 075 Sonoma Grassy area south of Kolmer Gulch and ca 300' east of Hwy one. Fort Ross State Historic Park 91 Comment
  UCR265135  Calochortus uniflorus Ann Howald, Christina Freeman 2015-4-13 3340 Sonoma Inner North Coast Ranges, Annadel State Park, Ledson Marsh, south shore, c. 300 feet north of intersection Pig Flat and Marsh trails 363 Comment
  CAS-BOT-BC270842  Calycadenia pauciflora Gerald D. Carr 1971-8-17 640 Sonoma The Geysers 487 Comment
  SEINET9343982  Calycadenia truncata Unknown 1993-10-2 11423 Sonoma Sonoma Comment
  CAS-BOT-BC90990  Calycanthus occidentalis Peter Rubtzoff 1960-6-10 4492 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC91004  Calycanthus occidentalis H. L. Mason 1934-4-28 8067 Sonoma Jensen Ranch, head of Dohrman Creek. Comment
  CDA17200  Calycanthus occidentalis G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16199 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  HSC3814  Calycanthus occidentalis M. E. Ferguson, E. Ferguson 1919-6-8 Sonoma Near Guerneville, Russian River. Comment
  JEPS40306  Calycanthus occidentalis M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma near Guerneville (Russian River); Russian River Comment
  SD99410  Calycanthus occidentalis Christopher Davidson 1977-6-17 5883 Sonoma State Highway 12, ca. 3.0 miles west of Guerneville, along Russian River. 14 Comment
  UC1196353  Calycanthus occidentalis Joseph P. Tracy 1935-7-7 14044 Sonoma near Geysers; Northern Coast Ranges 609 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
  JEPS86302  Calystegia Jack and Betty Guggolz 1988-5-8 941 Sonoma Pine Flat Road, 7.9 miles from Highway 128 on east side of the road Comment
  UC1794971  Calystegia R. K. Brummitt and T. F. Daniel 1997-5-31 19615 Sonoma 10 km NE of Santa Rosa, Pepperwood Ranch Natural Preserve, near of Bechtel Cabin. Comment
  JEPS87230  Calystegia collina subsp. collina Jack and Betty Guggolz 1991-4-10 1107 Sonoma about 3 mi n Oakmont (Santa Rosa, gorwing on n side of Los Alamos Road about a half-mi e of a high-power line crossing); n of Oakmont, Santa Rosa 524 Comment
  UC23186  Calystegia collina subsp. oxyphylla Edw. L. Greene 1892-1 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC32999  Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  UC1299583  Calystegia subacaulis Freed W. Hoffman 1947-6-4 527 Sonoma North Coast Ranges. East Austin Creek . Comment
  CAS-BOT-BC498778  Camassia quamash subsp. linearis Peter Rubtzoff 1957-5-11 3326 Sonoma Occidental Marsh; Sonoma County Marshes Comment
  RSA799990  Camissonia ovata Peter Rubtzoff 1969-5-24 6059 Sonoma 6.5 miles NE of Penngrove, on Lichan Road. 427 Comment
  CAS-BOT-BC160367  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Alice Eastwood 1915-6-29 4832 Sonoma Bodega Point Comment
  CHSC27726  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Coleta Lawler 1978-7-18 298 Sonoma Bodega Bay, at Doran Park campground; along road. Comment
  JEPS48129  Campanula angustiflora Milo Baker 1942-5-27 10203 Sonoma along road turning n Spring Mt. Road summit (near boundary of Sonoma and Napa Counties) Comment
  CHSC79974  Campanula californica Melissa Brooks; Colette Beaupre 2000-7-20 Sonoma Near Sea Ranch, Ca on Gualala Redwoods, Inc. property, in portion of German Rancho. MDB and M. 60 Comment
  CAS-BOT-BC266424  Campanula californica John Thomas Howell 1945-8-14 21402 Sonoma Perry Marsh Comment
  SEINET10463124  Campanula prenanthoides Michener 1892-7-4 MICHENER s.n. Sonoma SHAGG'S SPRINGS Comment
  SEINET10905928  Campanula prenanthoides Rattan 1877-6-25 RATTAN s.n. Sonoma CLOVERDALE Comment
  CAS-BOT-BC182782  Capsella bursa-pastoris Peter Rubtzoff 1974-5-19 7443 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville Roads Comment
  CAS-BOT-BC37759  Cardamine californica A. A. Heller; H. E. Brown 1902-3-20 5104 Sonoma Near Windsor. Comment
  CAS-BOT-BC37761  Cardamine californica Milo S. Baker 1924-4-27 Local 104 c-24 Sonoma Coopers Grove. Comment
  CAS-BOT-BC37766  Cardamine californica Walter Knight; Irja Knight 1964-2-16 806 Sonoma Sonoma Mountain Road near Enterprise Road. Comment
  CAS-BOT-BC37772  Cardamine californica Mrs. H. C. Cantelow 1937-3-25 s.n. Sonoma Near Valley Ford. Comment
  CAS-BOT-BC38040  Cardamine oligosperma D. E. Breedlove 1983-4-11 58692 Sonoma Pepperwood Ranch west of Knights Valley. Comment
  RSA790298  Carduus pycnocephalus Peter Rubtzoff 1976-5-30 8569 Sonoma Kenwood Marsh Comment
  UCD129926  Carduus tenuiflorus Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1771 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trailhead along Adobe Canyon Road S of Sonoma Creek. 198 Comment
  UCD161841  Carex James A. Neilson Jr. 1975-7-8 3379 a Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC422343  Carex Peter Rubtzoff 1976-5-30 8562 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC422345  Carex Peter Rubtzoff 1975-7-3 8145 Sonoma Kenwood Marsh. Comment
  UCD140988  Carex Mary M. Hektner 1976-8-26 267 -A Sonoma Unit 28 Owner's Map, Sea Ranch, near State Highway 1. 150 yards from the ocean bluffs. Between Masthead Reach and Leeward Road. Comment
  UCR254740  Carex abrupta Peter Rubtzoff 1954-6-7 1482 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC344831  Carex abrupta Peter Rubtzoff 1963-8-17 s.n. Sonoma Russian River Mouth Marsh. Comment
  RSA0021493  Carex amplifolia Peter Rubtzoff 1975-7-12 8199 Sonoma Jordan Oark, 1.7 miles northwest of Cobb. Along Kelsey Creek Comment
  CAS-BOT-BC312673  Carex athrostachya Peter Rubtzoff 1973-8-27 s.n. Sonoma Upper Green Valley Marsh. Comment
  UCR208536  Carex athrostachya Peter Rubtzoff 1960-5-20 4395 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC19364  Carex barbarae John Thomas Howell; J. W. Stacey 1937-6-6 13023 Sonoma Sebastopol. Comment
  RSA0037208  Carex barbarae Peter Rubtzoff 1976-5-30 8577 Sonoma Kenwood Marsh. Comment
  UCR248955  Carex barbarae Peter Rubtzoff 1958-4-26 3606 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  UCR249345  Carex barbarae Peter Rubtzoff 1958-5-4 3629 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC19371  Carex barbarae G. DeNevers 1981-3-14 528 A Sonoma Pepperwood Ranch. Pippindale farm, 7 miles NE of Santa Rosa, near Mark West lodge. In Leslie Creek. In Mark West Creek. Comment
  RSA295078  Carex barbarae Robert A. Norris, John L. Inase, Allen Nakagawa 1981-6-27 4209 Sonoma Trenton Rd., by the Boriolo Ranch, just S of and paralleling River Rd., approx. halfway between Guerneville and Santa Rosa. (Near N part of Laguna de Santa Rosa). 15 Comment
  RSA52096  Carex buxbaumii J. T. Howell 1945-7-18 21327 Sonoma Pitkin Marsh Comment
  UCD140186  Carex buxbaumii Frederica Bowcutt 1994-6-12 1851 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon along Pony Gate Trail along east west trending stretch before entering woodland. 411 Comment
  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
  UC1227  Carex comosa Jos. Burtt Davy 1896-7-22 Sonoma flats along Russian River near Guerneville; Russian River Comment
  RSA0034194  Carex cusickii Peter Rubtzoff 1955-5-14 1839 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC20478  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13020 Sonoma Sebastopol. Comment
  CAS-BOT-BC20494  Carex densa Peter Rubtzoff 1960-6-9 4474 Sonoma Sonoma County Marshes. Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC246547  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Stony Point Marsh Comment
  RSA758130  Carex densa Peter Rubtzoff 1954-6-7 1478 Sonoma Guerneville Marsh Comment
  UC590029  Carex densa H. S. Yates 1936-5-3 5575 Sonoma 1 mi ne Petrified Forest; Calistoga Quadrangle 304 Comment
  UC70642  Carex densa Bioletti 1893-1 Sonoma Los Guilucos Valley Comment
  UCD112359  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Guerneville Marsh. Comment
  UCD151306  Carex densa James A. Neilson Jr. 1974-8-19 2852 Sonoma Mayacmas Mountains. Little Geysers. (Elevation estimated by label-maker using topo map.) 731 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
  SEINET7556735 Image available Carex densa Alice Eastwood 1936-5-19 2500 Sonoma North limits of Santa Rosa. Comment
  POM248596  Carex dudleyi J. T. Howell 1938-7-3 13948 Sonoma Stony Point. Comment
  RSA94279  Carex dudleyi Peter Rubtzoff 1951-6-16 245 Sonoma N half of lower Pitkin Marsh, SE of Forestville Comment
  CAS-BOT-BC19897  Carex echinata subsp. phyllomanica John Thomas Howell 1945-5-30 20892 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC329293  Carex exsiccata Peter Rubtzoff 1955-6-26 1906 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  CAS-BOT-BC329295  Carex exsiccata Peter Rubtzoff 1960-5-20 4396 Sonoma Laguna de Santa Rosa east of Graton (between Occidental and Guerneville roads). Comment
  UCR250396  Carex exsiccata Peter Rubtzoff 1954-8-2 1622 Sonoma Duncan Mills Marsh, upper portion of marsh 2 Comment
  CAS-BOT-BC329296  Carex exsiccata Peter Rubtzoff 1960-6-7 4451 Sonoma Austin Creek Marsh. Comment
  SEINET10652787  Carex festiva Henry N. Bolander Bolander 3868 Sonoma Meadow on Russian River. Comment
  UC825094  Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC20451  Carex globosa John Thomas Howell; J. W. Stacey 1936-7-26 12662 Sonoma Near Monte Rio. Comment
  CAS-BOT-BC28361  Carex gracilior Peter Rubtzoff 1951-6-7 148 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper marsh. Comment
  CAS-BOT-BC28366  Carex gracilior Peter Rubtzoff 1954-7-5 1543 Sonoma Guerneville Marsh. Comment
  UC8079  Carex gracilior H. N. Bolander 1866-4 4635 Sonoma Petaluma Comment
  CAS-BOT-BC28334  Carex gracilior Henry Nicholas Bolander 1864-4-1 3867 Sonoma Meadow on Russian River. Comment
  CAS-BOT-BC28372  Carex gracilior Alice Eastwood; John Thomas Howell 1936-5-19 2499 Sonoma North Limits of Santa Rosa. Comment
  UCR249354  Carex gynodynama Peter Rubtzoff 1957-5-11 3331 Sonoma Occidental Marsh Comment
  UCR249355  Carex gynodynama Peter Rubtzoff 1957-5-4 3310 Sonoma Duncan Mills Marsh 2 Comment
  CAS-BOT-BC249298  Carex harfordii Peter Rubtzoff 1960-5-16 4350 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC331478  Carex hassei Peter Rubtzoff 1963-7-6 5194 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  RSA0023073  Carex hassei Peter Rubtzoff 1962-5-11 4819 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  RSA0023064  Carex hendersonii Peter Rubtzoff 1957-6-28 3387 Sonoma Duncans Mills Marsh. Comment
  HSC7137  Carex lanuginosa J. T. Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh. Comment
  RSA94271  Carex lemmonii Peter Rubtzoff 1951-6-30 297 Sonoma Pitkin Marsh, near Forestville; western branch of the Upper Marsh Comment
  CAS-BOT-BC119309  Carex obnupta Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc, The Sea Ranch. Comment
  CAS-BOT-BC119310  Carex obnupta Mary P. Wells 1981-8-2 s.n. Sonoma S end of Timber Ridge Road, The Sea Ranch. Comment
  RSA0025196  Carex obnupta Peter Rubtzoff 1958-4-26 3585 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  RSA0025208  Carex obnupta Peter Rubtzoff 1960-5-20 4394 Sonoma Laguna de Santa Rosa east of Graton, between Occidentalis and Guerneville roads. Comment
  RSA0025209  Carex obnupta Peter Rubtzoff 1960-5-18 4392 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC312676  Carex ovalis Peter Rubtzoff 1955-8-6 2025 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC119250  Carex pachystachya Peter Rubtzoff 1951-6-7 112 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  SEINET7570933 Image available Carex pellita John Thomas Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh. Comment
  CHSC98667  Carex serratodens Thomas W. Nelson; Jane P. Nelson 1986-5-11 8049 Sonoma North Coast Ranges. Along Geyserville-Stewardspoint road 3 miles west of bridge over Dry Creek. Comment
  CAS-BOT-BC329279  Carex simulata Peter Rubtzoff 1975-7-3 8146 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC117357  Carex stipata var. stipata John Thomas Howell; J. W. Stacey 1937-6-6 13039 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC371453  Carex subbracteata Peter Rubtzoff 1955-5-14 1842 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC116780  Carex subbracteata var. subbracteata John Thomas Howell 1947-6-5 23238 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC312707  Carex subbracteata var. subbracteata Peter Rubtzoff 1974-6-2 7506 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC115828  Carex subfusca James D. Jokerst 1985-4-26 2274 Sonoma Near Caldwell Ranch, the Geysers Quad. Comment
  CAS-BOT-BC115529  Carex tumulicola Joseph Whipple Congdon 1880-5-31 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC329284  Carex tumulicola Peter Rubtzoff 1954-8-2 1620 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC350915  Carex tumulicola Peter Rubtzoff 1971-6-25 6561 Sonoma Intermittent lake off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UCR248869  Carex tumulicola Peter Rubtzoff 1960-5-16 4345 Sonoma Duncan Mills Marsh 2 Comment
  UCD140932  Carex tumulicola P. G. Connors 1991-4-11 104 Sonoma Bodega Head and Dunes. Near Lab road and Salmon Creek. BMR 0730N, 4200E. Comment
  HSC33346  Carthamus creticus J. Shelgren, William J. Ferlatte 1973-7-11 1490 Sonoma SE of Santa Rosa Crane Canyon, 1 mile E of Petaluma Hill Rd. 52 Comment
  CDA6986  Carthamus lanatus William J. Ferlatte 1971-6-17 1349 Sonoma Stewarts Point-Skaggs Springs Road, 9.6 miles east of junction with Annapolis Road. 0 Comment
  HSC103378  Carthamus leucocaulos T. C. Fuller 1978-8-17 20253 Sonoma Asti, 1 mi. W of Hwy. 101 freeway exit. Comment
  JEPS22230  Castilleja ambigua subsp. ambigua Rimo Bacigalupi with members of the California Botanical Society 1958-5-24 6361 Sonoma n of Sebastopol (ground above Pitkin Marsh); Vine Hill Region 60 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
  RSA19277  Castilleja ambigua subsp. ambigua Jens Clausen 1935-5-24 1095 Sonoma 6.5 mi. S. of Jenner on the Bodega Road. Comment
  UC103162  Castilleja ambigua subsp. ambigua J. W. Congdon 1880-5-24 Sonoma Petaluma Comment
  JEPS9948  Castilleja attenuata W. L. Jepson 1921-5-6 9188 Sonoma Porter Creek 365 Comment
  UC1012323  Castilleja attenuata F. W. Pennell and H. L. Mason 1940-5-21 25484 Sonoma e of Kellogg (Route 28) 182 Comment
  JEPS9415  Castilleja densiflora subsp. densiflora W. L. Jepson 1911-4-30 4187 Sonoma Sonoma Valley 83 Comment
  JEPS19395  Castilleja exserta subsp. exserta G. Thomas Robbins 1938-4-15 261 Sonoma 6-7 mi w Santa Rosa (along road to Graton) Comment
  CAS-BOT-BC243855  Castilleja latifolia Alice Eastwood 1915-6-29 4835 Sonoma Bodega Point Comment
  JEPS19386  Castilleja uliginosa G. Thomas Robbins 1937-6-5 218 Sonoma about 10 mi w Santa Rosa (marsh on Pitkin Ranch); Vine Hill Region Comment
  CAS-BOT-BC241089  Castilleja uliginosa Peter Rubtzoff 1952-10-26 1328 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  JEPS26117  Castilleja wightii Peter H. Raven, R. Snow 1958-7-23 13688 Sonoma 2.6 mi n Jenner Comment
  POM180613  Castilleja wightii J. T. Howell 1930-6-8 5281 Sonoma 8.5 miles north of Bodega Bay. Comment
  UC26494  Castilleja wightii Harley P. Chandler 1900-5-25 710 Sonoma Bodega Bay Comment
  RSA221718  Castilleja wightii Noel Holmgren, Liew Fah Seong 1969-6-23 3607 Sonoma Calif. 1, 18.6 miles north of Marin County line, by entrance to Shell Beach. Comment
  SEINET4565634  Catapodium rigidum L. Koch 1940-5-19 964 Sonoma Wood residence, 349 Second Avenue, Santa Rosa Comment
  CAS-BOT-BC39437  Caulanthus lasiophyllus Greg de Nevers 1993-4-27 10408 Sonoma Pepperwood Ranch Natural Reserve. 3450 Franz Valley Road. Along Mark West Springs Road. 457 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-BC56929  Ceanothus Walter Knight; Steve Edwards 1985-11-17 5185 Sonoma Franz Valley School Road, near old schoolhouse Comment
  SBBG119963  Ceanothus confusus A. Howald 2007-4-2 2456 Sonoma Goodspeed Trail just below highest pt of trail, E of Peirson Rd, ca. 0.6 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 310 Comment
  UC73361  Ceanothus confusus Milo S. Baker 1899-2-22 Sonoma Mt. Hood Comment
  UC870630  Ceanothus confusus John Thomas Howell 1937-4-11 12897 Sonoma NE of Santa Rosa (Rincon Ridge) Comment
  UC870631  Ceanothus confusus John Thomas Howell 1937-7-4 13080 Sonoma NE of Santa Rosa (Rincon Ridge) Comment
  CAS-BOT-BC49153  Ceanothus cuneatus John Thomas Howell 1937-7-4 13068 Sonoma Near Petrified Forest Comment
  CDA11331  Ceanothus cuneatus G. F. Hrusa 1995-4-2 12041 Sonoma North Coast Biodiversity Arena; Along Franz Valley School Rd. approx. 1.25 mile NW of Napa/Sonoma county line. Comment
  JEPS128182  Ceanothus cuneatus var. ramulosus Roger Raiche 2001-3-17 005 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CDA11330  Ceanothus divergens G. F. Hrusa 1995-4-2 12040 Sonoma North Coast Biodiversity Arena; Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  SBBG119966  Ceanothus divergens A. Howald 2007-4-2 2458 Sonoma Peirson Rd, ca. 0.6 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 275 Comment
  RSA164626  Ceanothus divergens subsp. confusus Percy C. Everett 1963-11-21 11808 Sonoma N Rincon Ridge, NE santa Rosa, Parker Hill Road 183 Comment
  SEINET13945873 Image available Ceanothus foliosus Lewis S. Rose 1955-1 55061 Sonoma Junction of Vine Hill & School Raods, 10 mi W of Santa Rosa, alt 150 ft 46 Comment
  CAS-BOT-BC64420  Ceanothus foliosus subsp. vineatus Walter Knight; Irja Knight 1963-11-21 415 Sonoma Vine Hill School Rd. Comment
  UC1084483  Ceanothus foliosus var. vineatus G. Thomas Robbins 1938-4-15 257 Sonoma along road to Occidental W q Green Valley. Comment
  CAS-BOT-BC49996  Ceanothus gloriosus Milo S. Baker 1935-4-1 8027 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50004  Ceanothus gloriosus John Thomas Howell 1935-5-5 12614 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49948  Ceanothus gloriosus var. exaltatus Walter Knight; Irja Knight 1963-11-21 417 Sonoma Guerneville Rd near Laguna Rd. Comment
  UC338455  Ceanothus gloriosus var. exaltatus Lemmon 1887-5-1 Sonoma Santa Rosa Comment
  CAS-BOT-BC49954  Ceanothus gloriosus var. exaltatus J. Clausen 1933-3-26 742 Sonoma southern boundary of the Frey Brothers Ranch, about 10 miles west of Santa Rosa on the Santa Rosa-Graton Road Comment
  RSA276844  Ceanothus incanus James I. McMurphy 1909-5-29 s.n. Sonoma Creek between Geyser Mtn and the Geysers Comment
  UC1602371  Ceanothus incanus J. Burtt Davy 1893-6-22 739 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC50952  Ceanothus integerrimus H. N. Bolander 4721 Sonoma Russian River - Valley Comment
  RSA1120  Ceanothus integerrimus var. californicus B. D. Stark, H. E. McMinn 1929-7-22 1380 Sonoma Sonoma-Mendocino County line. Comment
  CAS-BOT-BC50646  Ceanothus jepsonii J. Clausen 1933-3-26 748 Sonoma Summit of Harrison Grade. Between Graton and Occidental Comment
  CAS-BOT-BC51116  Ceanothus jepsonii Walter Knight; Irja Knight 1963-12-27 454 Sonoma Pine Flat Rd. - Circle 8 Ranch Comment
  POM259723  Ceanothus jepsonii Alice Eastwood, John T. Howell 1939-4-2 73377 Sonoma Near Camp Meeker on road to Monte Rio. Comment
  RSA1148  Ceanothus jepsonii B. D. Stark 1929-7-22 1381 Sonoma Sonoma-Mendocino County line. Comment
  RSA130886  Ceanothus jepsonii E. K. Balls 1958-7-21 23586 Sonoma Edges of forest, Mixed Evergreen Forest, near Bohemian Grove, on road from Hwy 12 to Camp Meeker. 46 Comment
  UCD101294  Ceanothus jepsonii Daniel Sanchez-Mata; Tomas Santamaria 2008-7-13 s.n. Sonoma Healdsburg. Pine Flat Road from Road 128. Red Hill. Audubon Sanctuary. 400 Comment
  POM172066  Ceanothus jepsonii Lester Rowntree 1930-7-17 s.n. Sonoma Sage Canyon between ST. Helena and Monticello Comment
  UC583424  Ceanothus jepsonii var. albiflorus Elmer I. Applegate 1934-3-25 8860 Sonoma Pine Flat, W slope of Mayacama Mountains Comment
  JEPS86811  Ceanothus parryi Jack and Betty Guggolz 1991-5-4 1121 Sonoma firebreak on the S side of Bradford Mountain one mi W of Dry Creek Road 341 Comment
  RSA32475  Ceanothus parryi Leo Koch 1939-05 631 Sonoma Campus of Santa Rosa Junior college, from Transplant near Qecidental Comment
  CAS-BOT-BC52124  Ceanothus prostratus J. Clausen 1933-3-26 736 Sonoma Rincon Range east of Santa Rosa Comment
  UC1299559  Ceanothus prostratus Freed W. Hoffman 1947-8-4 1429 Sonoma Mt. St. Helena North Coast Ranges, Mt. St. Helena 792 Comment
  UC1254092  Ceanothus purpureus J. A. Delapp 1964-2-28 71 Sonoma Black Mountain, Quad. 61D-3 457 Comment
  UC1614462  Ceanothus purpureus Charles M. Belshaw 1936-3-8 1582 Sonoma 3/4 mi. n. Annadel (n.w. of Kenwood) 144 Comment
  CAS-BOT-BC32656  Ceanothus sonomensis John Thomas Howell 1933-4-1 10930 Sonoma Slopes of Trinity Mt., 2 miles NE of Glen Ellen Comment
  CAS-BOT-BC53038  Ceanothus sonomensis Walter Knight; Irja Knight; John Thomas Howell 1984-10-12 5076 Sonoma Cavedale Road 640 Comment
  CAS-BOT-BC53049  Ceanothus sonomensis Michener; Bioletti 1893-3-1 s.n. Sonoma Hoods Peak Comment
  CAS-BOT-BC83739  Ceanothus sonomensis D. O. Burge 2007-4-27 897 a Sonoma Mayacmas Mountains, Hood Mountain Regional Park and Open Space Preserve 480 Comment
  CDA11975  Ceanothus sonomensis G. F. Hrusa, R. Gross 1995-11-8 12468 Sonoma North Coast Biodiversity Arena; Steep volcanic ridge facing W on N side of Adobe Canyon Rd. Ash and basalt mixed here, these plants in dense Adenostoma chaparral on basalt. Comment
  SBBG4507  Ceanothus sonomensis M. Van Rensselaer 1941-4-27 1638 Sonoma Mt Hood Range, between Valley of the Moon and Napa Valley on Trinity Rd just above rock quarry Comment
  SEINET12210863  Ceanothus sonomensis W. Knight, Knight, I. 1982-1 4625 Sonoma 305 Comment
  UCD144666  Ceanothus sonomensis Frederica Bowcutt 1996-5-20 2139 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 1.5 air miles WSW of Bald Mountain. Along Godspeed Trail, NW of confluence of Bear Creek and Sonoma Creek about 0.25 air miles. 304 Comment
  CAS-BOT-BC52345  Ceanothus thyrsiflorus Mary P. Wells 1985-9-13 655 Sonoma Forest no. of juncture of Timber Ridge and Longmeadow roads, the Sea Ranch Comment
  UC1071400  Ceanothus thyrsiflorus E. Armstrong 1934-3-26 951 Sonoma Camp Meeker Sebastopol quad 121 Comment
  UCD112734  Ceanothus thyrsiflorus var. griseus P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  JEPS15042  Centaurea benedicta unknown 1877-1-1 Sonoma Healdsburg Comment
  JEPS86737  Centaurea calcitrapa Jack and Betty Guggolz 1990-10-7 1099 Sonoma pasture at the highest point s of N. Gilchrist Road and e of Highway 16 N. Gilchris Road 60 Comment
  JEPS44152  Centaurea melitensis M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma between Gurneville and Monte Rio Gurneville; Russian River Comment
  UCD130037  Centaurea melitensis Frederica Bowcutt 1996-5-19 2136 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 east of Red Mountain. Gray Pine Trail. 731 Comment
  UC34566  Centaurea solstitialis F. T. Bioletti 1891-9-7 Sonoma Shellville Comment
  RSA181381  Centaurea solstitialis James I. McMurphy 1909-8-9 s.n. Sonoma Sonoma Comment
  OBI35874  Centaurium erythraea David J. Keil 1983-6-29 17201 Sonoma Ca. 10 mi SE of Ft. Ross along hwy 1 Comment
  CAS-BOT-BC288809  Centromadia fitchii David D. Keck 1933-11-10 2726 Sonoma 1 mile E of Shellville Comment
  CAS-BOT-BC288810  Centromadia fitchii Walter Knight; Irja Knight 1965-9-12 1184 Sonoma Newanga Rd, near Santa Rosa, adjacent to flood control reservoir Comment
  CAS-BOT-BC279396  Centromadia pungens subsp. pungens James I. McMurphy 1909-8-9 712 Sonoma Summit, hills between Sonoma and Petaluma Comment
  JEPS76935  Cerastium arvense Robert M. Lloyd 1963-2-24 2062 Sonoma 0.2 mi. n. Bodega Bay City (on State Hwy. 1) Comment
  CAS-BOT-BC384970  Cerastium arvense Roxana S. Ferris; D. H. Morey 1958-4-10 13338 Sonoma Slopes along Walker Creek, between Tomales and Marshall Comment
  CAS-BOT-BC388437  Cerastium glomeratum Peter Rubtzoff 1952-3-23 902 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  RSA94648  Cerastium glomeratum Peter Rubtzoff 1952-3-23 902 Sonoma Southern half of Lower Marsh; Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC400230  Ceratophyllum demersum Peter Rubtzoff 1955-7-16 1969 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC135423  Cercocarpus betuloides var. betuloides John Thomas Howell 1933-4-2 10938 Sonoma Sonoma Creek Canyon Comment
  UC754296  Chamaemelum fuscatum R. Bacigalupi 1948-4-4 2870 Sonoma 2 mi s of Asti (along U.S. 101) Comment
  UCD130399  Chamaemelum fuscatum Rimo Bacigalupi 1948-4-4 2870 Sonoma about 2 miles south of Asti, along U.S. Highway 101. Comment
  CDA7377  Chamaemelum fuscatum T. C. Fuller 1970-5-4 19483 Sonoma 1 mile west of the freeway overpass, Highway 101, Asti. 0 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
  RSA785152  Chenopodium Peter Rubtzoff 1969-11-2 6209 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  UC1010424  Chenopodium californicum Milo Baker 1930-4-15 3953 Sonoma beach near Salmon Cr.; North Bay Counties Comment
  UCD158802  Chenopodium californicum James A. Neilson Jr. 1974-1 3062 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC493398  Chlorogalum pomeridianum G. DeNevers 1981-5-12 1136 Sonoma Carrison Canyon, Pepperwood Ranch Comment
  CAS-BOT-BC499259  Chlorogalum pomeridianum J. W. Congdon 1880-5-1 s.n. Sonoma unspecified Comment
  CAS-BOT-BC499263  Chlorogalum pomeridianum Roxana S. Ferris; Laura Lorraine 1961-6-14 13527 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  UCD138412  Chlorogalum pomeridianum var. divaricatum P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC257011  Chorizanthe membranacea H. N. Bolander 1860-1-1 3959 Sonoma At the geysers Comment
  CAS-BOT-BC252851  Chorizanthe polygonoides var. polygonoides Greg de Nevers 1993-4-27 10410 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 457 Comment
  RSA0045165  Chorizanthe polygonoides var. polygonoides Greg de Nevers 1993-4-27 10410 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. East of 3865 Franz Valley Road. 91 Comment
  CAS-BOT-BC173825  Chrysanthemum Peter Rubtzoff 1970-9-3 6369 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA130893  Chrysanthemum segetum E. K. Balls 1958-7-20 23582 Sonoma State Hwy. 1, Bodega Bay to Jenner 46 Comment
  SEINET11835175  Chrysanthemum segetum L. S. Rose 1938-1 38251 Sonoma Bloomfield 30 Comment
  JEPS37926  Chrysolepis chrysophylla Alice Griffin 1924-9-1 Sonoma Stewart's Point Comment
  RSA749089  Chrysolepis chrysophylla P. C. Pendse 1979-10-7 s.n. Sonoma Salt Point State Park. Next to ranger station. Among bishop pines, coast redwood, and tan oaks. Comment
  UCD110109  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  CAS-BOT-BC251227  Chrysopsis Peter Rubtzoff 1956-9-23 2942 Sonoma Hacienda Region, left side of Russian River, near the road from Forest Hills to Highcroft, about 0.5 miles SW of the Russian River bridge in Hacienda. Comment
  CAS-BOT-BC285252  Cichorium intybus Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5857 Sonoma Llano Road 45 Comment
  CAS-BOT-BC278069  Cirsium douglasii var. breweri Walter Knight; Irja Knight; Tiffany Knight; Steve Edwards 1985-7-21 6358 Sonoma Pine Flat Road 304 Comment
  CAS-BOT-BC290636  Cirsium occidentale var. occidentale Peter Rubtzoff 1958-7-26 3801 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC280373  Cirsium occidentale var. venustum L. R. Abrams 1916-7-4 5794 Sonoma Road between Petrified Forest and Mark West Comment
  UC76019  Cirsium occidentale var. venustum Milo S. Baker 1898-6-11 658 Sonoma Little Sulphur Creek Comment
  UC589641  Cirsium quercetorum F. F. Barbour 1938-4-28 Sonoma Sonoma Valley Comment
  JEPS35584  Cirsium remotifolium var. odontolepis L. R. Heckard 1964-6-11 1371 Sonoma about 4 mi nw of Cloverdale (along Calif. 28; just beyond Alder Glenn Springs) 213 Comment
  CDA40774  Clarkia affinis S. Quick 1996-5-1 8 Sonoma Along Road 32, within 50 meters of the U.C. Reserve access road leading to Stebbins Cold Canyon Reserve. Comment
  UC1299416  Clarkia affinis Freed W. Hoffman 1947-5-18 771 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UC113993  Clarkia amoena Katharine Brandegee 1908-7-22 Sonoma Burbank's Garden Santa Rosa Comment
  SEINET3260630 Image available Clarkia amoena subsp. amoena Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-7 15198 Sonoma Two miles North of Kellogg. Comment
  JEPS82306  Clarkia amoena subsp. huntiana Roger Raiche 1983-7-5 30483 Sonoma ne of Plantation (Tin Barn Road, 3.5 mi n of King Ridge Road) Comment
  CAS-BOT-BC172211  Clarkia concinna A. A. Heller 1938-5-14 15087 Sonoma Slope east of Bodega Bay Comment
  CAS-BOT-BC172217  Clarkia concinna A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero Comment
  SEINET10492115  Clarkia concinna Tim Holtsford 1992-5-23 Holtsford 920523 -3 Sonoma Mark west springs rd, 0.1 mi w of ursuline rd, at milepost "ldtr 362+00." W- Facing slope with oaks, rhus, heracleum. Clarkia unguiculata is sympatric. Comment
  SEINET6165015 Image available Clarkia concinna Unknown 1981-5-18 s.n. Sonoma Pine Mountain turnoff, Ida Clayton Rd. 914 Comment
  CHSC41508  Clarkia concinna subsp. concinna R. N. Bowman 1985-5-23 6074 Sonoma Along w side of roadway, .2 miles w of Mark West Springs on Mark West Springs Rd. 134 Comment
  CAS-BOT-BC162512  Clarkia gracilis subsp. gracilis D. E. Breedlove 1980-6-27 44769 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC163143  Clarkia gracilis subsp. sonomensis Frank W. Hubby 1894-6-1 s.n. Sonoma Windsor Comment
  CAS-BOT-BC163146  Clarkia gracilis subsp. sonomensis John Thomas Howell 1929-6-9 4303 Sonoma Near highway, Valley of the Moon one mile from Glen Ellen Comment
  RSA449288  Clarkia gracilis subsp. sonomensis Christopher Davidson 1977-6-20 6004 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 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
  CAS-BOT-BC163469  Clarkia purpurea subsp. quadrivulnera Alice Eastwood; John Thomas Howell 1939-6-11 7415 Sonoma Near [Triniti] Trinity P.O., Hoot Mt. Range Comment
  CAS-BOT-BC164588  Clarkia purpurea subsp. viminea Dorothy Scherer 1997-5-20 127 Sonoma North side of Fort Ross Rd. and 1/8 mi. west of Seaview Rd, Fort Ross State Historic Park 457 Comment
  UC75680  Clarkia unguiculata Milo S. Baker 1898-6-11 594 Sonoma Cemetery Santa Rosa Comment
  RSA22256  Clarkia unguiculata Blanche Clear 1938-5-28 s.n. Sonoma Alexander Valley toward Geyserville Comment
  SEINET12194281  Clarkia unguiculata F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -156 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 80 Comment
  RSA6471  Claytonia exigua subsp. exigua Jens Clausen 1933-3-26 745 Sonoma Harrison Grade, betwen Grtaon and Occidental. In orchard, gravelly soil. Comment
  CAS-BOT-BC439401  Claytonia gypsophiloides D. E. Breedlove 1983-4-11 58681 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  CAS-BOT-BC439407  Claytonia gypsophiloides A. A. Heller; H. E. Brown 1902-3-16 5073 Sonoma Russian River, near Trenton Comment
  CAS-BOT-BC439399  Claytonia gypsophiloides Peter Rubtzoff 1957-5-26 3352 Sonoma Near Occidental - Graton road, 2.7 mi. east of Occidental. Comment
  SBBG106815  Claytonia gypsophiloides K. L. Chambers 1978-4-29 4466 A Sonoma Hwy 128, the Cloverdale to Ft Bragg rd, 3.8 mi W of its jct with Hwy 101 at Cloverdale Comment
  CAS-BOT-BC439632  Claytonia parviflora subsp. parviflora Peter Rubtzoff 1964-7-29 5435 Sonoma Brooks Gulch Marsh. Comment
  HSC17700  Claytonia perfoliata F. Demostene 1966-4-2 11 Sonoma 2 mi. E of Healdsburg Comment
  HSC49615  Claytonia perfoliata R. York 1979-4-8 199 Sonoma Along Hwy. 128 305 Comment
  CAS-BOT-BC439956  Claytonia perfoliata subsp. mexicana A. A. Heller; H. E. Brown 1902-3-16 5077 Sonoma Russian River, near Trenton Comment
  CAS-BOT-BC443680  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1946-3-31 21590 Sonoma Sonoma Comment
  CAS-BOT-BC443870  Claytonia sibirica Peter Rubtzoff 1967-8-22 5851 Sonoma Southeast of Lower Salmon Creek Marsh. Comment
  HSC100950  Clematis lasiantha Peter Warner 2011-5-3 189 Sonoma Jenner Headlands, lower Middle Pasture, 593 m, W359 deg. N from 'deep curve' in Hwy. 1 at gulch under-crossing , ~1.6 km NW of Jenner Village, W of north-middle gulch fork. 161 Comment
  UC1585374  Clintonia andrewsiana R. Raiche, K. Zadnik, and H. Forbes 1989-1-10 Sonoma 4.3 km e of Stewarts Point (on Skaggs Springs-Stewarts Point Road, along Gualala River); Gualala River 50 Comment
  SEINET12047064  Clintonia andrewsiana Unknown 1972-1 s.n. Sonoma Willow Creek, 4 mi S to SE of Jenner, in N-S canyon paralleling coast 30 Comment
  RSA66915  Collinsia heterophylla E. K. Balls 1951-5-3 16409 Sonoma Maacama (Miyakama) Creek, between Kellogg and Alexander Valley, Hwy 28, 2 mi. from turnoff to Geyserville. 610 Comment
  POM14838  Collinsia sparsiflora var. arvensis A. A. Heller 1903-4-23 6601 Sonoma Fort Ross. From type locality. Comment
  JEPS34522  Collinsia sparsiflora var. arvensis Freed W. Hoffman 1947-3-16 828 Sonoma near Guerneville (rd to Austin Ranch, headwaters of Fife Creek); North Coast Ranges Comment
  JEPS6348  Collinsia sparsiflora var. arvensis Milo S. Baker Apr 1923 Sonoma near Weaver's (Bennett Valley rd, Bennett Valley, se of Santa Rosa); Bennett Valley Comment
  SEINET6985357  Collinsia sparsiflora var. arvensis A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma 1 mile east of Occidental. Comment
  SD6974  Collinsia tinctoria Michener, Bioletti 1892-7-4 1666 a Sonoma Shagg's Springs Comment
Read comments
Jun 10 2012
  UCR30587  Collomia diversifolia John C. Roos 1950-7-22 4873 Sonoma North Coast Range, 2 miles east of Duncan Mills 61 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
  JEPS128187  Conyza canadensis Roger Raiche 1999-8-28 027 .99 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS62607  Cordylanthus maritimus subsp. palustris T. I. Chuang with Fei-Mei Chuang 1970-8-25 6846 Sonoma Coastal salt marsh nw of Bodega Bay (U. C. Biological Reserve); U. C. Biological Reserve Comment
  JEPS23537  Cordylanthus pilosus subsp. pilosus Peter H. Raven, R. Snow 1958-7-23 13690 Sonoma Occidental Comment
  JEPS28819  Cordylanthus tenuis subsp. capillaris L. R. Heckard 1962-11-27 1317 Sonoma 3/4 mi nw Occidental School (along Stoetz Lane) Comment
Read comments
Jul 27 2009
  JEPS74601  Cordylanthus tenuis subsp. capillaris L. R. Heckard 1974-8-21 3825 Sonoma about 1 mi n of Camp Meeker (s of Monte Rio) Comment
  UC1094010  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1955-7-11 55110 Sonoma 2 mi e Occidental 243 Comment
  CAS-BOT-BC101571  Corethrogyne filaginifolia L. R. Abrams 1920-7-3 7610 Sonoma near Stewarts Point Comment
  SDSU4700  Corethrogyne filaginifolia D. F. Howe 1962-7-29 3365 Sonoma 12 miles north of Jenner at #1. 61 Comment
  CAS-BOT-BC210431  Cornus sericea G. DeNevers 1981-5-2 907 Sonoma Pepperwood Ranch. Confluence of Leslie Creek and Mark West Creek Comment
  CAS-BOT-BC210437  Cornus sericea Peter Rubtzoff 1957-8-18 3523 Sonoma Vacation Beach, near Guerneville. Russian River bank Comment
  UCD59797  Cortaderia jubata Beecher Crampton 1981-11-8 9806 Sonoma Northwest of Jenner. Comment
  UCD110064  Corylus cornuta subsp. californica K. Esau 1932-4-2 s.n. Sonoma Russian River. Comment
  UCSB1014  Corylus cornuta subsp. californica Keator, Glenn 1959-4-2 Sonoma 0.6 miles north of junction of Laguna road and 5.1 miles north of Sebastopol in Vinehill region Comment
  CAS-BOT-BC376394  Cotoneaster Greg de Nevers 1994-3-26 10518 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Garrison Canyon. 457 Comment
  UCD55334  Crassula aquatica Ellen Dean 2006-6-28 3178 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Edges of Pepperwood Reservoir. 150 Comment
  CAS-BOT-BC427658  Crassula aquatica Peter Rubtzoff 1971-7-3 6587 Sonoma Near (south of) U.C. Bodega Marine Laboratory dormitory. Comment
  CAS-BOT-BC427689  Crassula connata Greg de Nevers; Frank Almeda 1987-4-11 8148 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  SD207279  Crassula hystrix Reid Moran 1989-5-21 31025 Sonoma Lone Pine Gardens, Sebastopol. Comment
  RSA123352  Crataegus suksdorfii H. S. Yates 1934-4-21 3783 Sonoma Near Bodega. 61 Comment
  RSA94350  Crataegus suksdorfii Peter Rubtzoff 1952-5-10 1015 Sonoma Pitkin Marsh, near Forestville; Lower part of the upper Marsh, in an open marshy area Comment
  SJSU7519  Croton setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 mi NE of Penngrove 426 Comment
  CAS-BOT-BC190183  Crypsis vaginiflora Peter Rubtzoff 1971-9-30 6708 Sonoma Laguna, Chileno Valley. Comment
  CDA12255  Cupressus macnabiana G. F. Hrusa, J. M. Tucker, G. L. Webster 1994-10-29 11921 A Sonoma North Coast Biodiversity Arena; Grove of small trees to 10 meters tall on Cavedale Rd. approx. 2.7 m E of Hwy 12. Rhyolitic ash substratum, assoc. w/ Pinus attenuata, Arctostaphylos stanfordiana, Salvia sonomensis, Solidago spathulata, Xerophyllum tenax. Comment
  CAS-BOT-BC80747  Cupressus macnabiana C. B. Wolf; E. R. Johnson 1934-10-18 6198 Sonoma Head of Hooker Canyon, 4 7/10 mi. E. of Sonoma-Kenwood Road 548 Comment
  CAS-BOT-BC85459  Cupressus sargentii Robert Francis Hoover 1968-2-23 10895 Sonoma Harrison Grade Rd. near summit, serpentine area Comment
  CAS-BOT-BC85461  Cupressus sargentii John Thomas Howell 1933-4-2 10960 Sonoma Serpentine ridge, 2 miles east of Occidental Comment
  CAS-BOT-BC85466  Cupressus sargentii David Daniels Keck 1933-11-6 2651 Sonoma 4 mi. N. of Occidental Comment
  CAS-BOT-BC85472  Cupressus sargentii J. Ed. McClellan; Mrs. J. Ed. McClellan 1975-1-11 s.n. Sonoma Harrison Grade Rd. Comment
  RSA107467  Cupressus sargentii L. S. Rose 1955-7-11 55113 Sonoma 2 miles NE of Occidental 244 Comment
  RSA17610  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-13 6183 Sonoma 2.8 miles from Camp Meeker on road to Monte Rio 61 Comment
  UCD132952  Cupressus sargentii Frederica Bowcutt 1997-7-18 2187 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  NY16823  Cupressus sargentii C. B. Wolf 1934-10-13 6183 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA17611  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-13 6184 Sonoma Coys Ranch, about 2 miles from Occidental 91 Comment
  SEINET10834045  Cupressus sargentii Carl B. Wolf, E. R. Johnson 1934-10-13 Wolf 2141 Sonoma Coys Ranch about 2 miles from Occidental. Life zone: Transition:- Sun. Serpentine. 90 Comment
  RSA94092  Cuscuta campestris J. T. Howell 1946-8-17 22851 Sonoma The Laguna north of Sebastopol Comment
  CDA41305  Cuscuta howelliana G. F. Hrusa, A. Buckman (DFG) 1996-10-5 13583 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Sheet 3 of 3. Comment
  CAS-BOT-BC190301  Cynodon dactylon Peter Rubtzoff 1955-7-24 1983 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC320564  Cynosurus Peter Rubtzoff 1974-5-25 7460 Sonoma Upper Green Valley Marsh. Comment
  SD56679  Cynosurus cristatus D. F. Howe 1963-7-3 3588 Sonoma 20 miles north of junction of #12 on #1 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
  CAS-BOT-BC190475  Cynosurus echinatus Roxana S. Ferris; Laura Lorraine 1948-6-9 11663 Sonoma 11 miles from Geyserville on road to Kellogg. Comment
  UCR248721  Cynosurus echinatus Peter Rubtzoff 1968-6-20 5899 Sonoma 6.5 miles northeast of Penngrove on Lichau Road 427 Comment
  UCSC000023  Cynosurus echinatus F. W. Hoffman 1941-6-3 s.n. Sonoma Roadside, near Guerneville Comment
  UCD60175  Cynosurus echinatus R. Tofsrud 1948-5-1 s. n. Sonoma Northeast Sonoma County. Comment
  CAS-BOT-BC114509  Cyperus eragrostis D. E. Breedlove 1980-6-27 44734 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  CAS-BOT-BC114510  Cyperus eragrostis Catherine Best 1983-10-12 901 Sonoma Growing at the edge of the lake on Stoltz Lake ca. 2 mi NE of Occidental. Comment
  CAS-BOT-BC114353  Cyperus erythrorhizos Peter Rubtzoff 1958-9-21 4001 Sonoma Vacation Beach, near Guerneville. Open, wet sandy margin of Russian River. Comment
  CAS-BOT-BC114434  Cyperus erythrorhizos Peter Rubtzoff 1963-9-21 5270 Sonoma Laguna de Santa Rosa E of Graton. Comment
  CAS-BOT-BC113908  Cyperus niger var. capitatus Peter Rubtzoff 1953-11-1 1443 Sonoma Vacation Beach, Near Guerneville. Sandy beach of Russian River. Comment
  CAS-BOT-BC435194  Cypselea humifusa H. K. Wagnon 1991-10-14 1993 Sonoma Jack London State Park. Comment
  RSA177982  Cytisus monspessulanus Robert F. Thorne 1965-4-19 34309 Sonoma Guerneville Hwy, 1 mile E of Laguna Road; 4 miles W of Santa Rosa. 46 Comment
  UC770669  Cytisus scoparius R. H. Neuns 1948-8-25 21 Sonoma 7 mi ne Annapolis 396 Comment
  SEINET9320073  Cytisus striatus John Nelson, Wnek, R. 2000-3-8 20949 Sonoma Along narrow stream edge w/ Umbellularia californica; W side of Guerneville just E of Fern Grove cabins on N side of River Rd (hwy 116) AC Moore Herbarium (USCH) Univ of S. Carolina Comment
  UCD137999  Damasonium californicum Herbert L. Mason 1928-4-13 4325 Sonoma near Petaluma. Comment
  CAS-BOT-BC192281  Danthonia californica David D. Keck 1944-7-11 5513 Sonoma 1 mile S. of bridge across mouth of Russian River 22 Comment
  UCD148397  Danthonia californica Peter Rubtzoff 1957-5-11 3345 Sonoma Occidental Marsh. Comment
  RSA126873  Danthonia californica var. americana H. S. Yates 1937-5-30 6541 Sonoma 1.5 miles N.N.E. of Graton 30 Comment
  UC1131387  Danthonia californica var. americana H. S. Yates 1934-4-22 3853 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  UCD32895  Danthonia californica var. americana Beecher Crampton 1965-5-13 7339 Sonoma Sonoma County, ca. 8.5 miles S.E. of Geyserville, south end of Alexander Valley, jct. of Calistoga (hwy. 128) and Chalk Hill roads. Comment
  UCR119184  Danthonia californica var. americana Beecher Crampton 1963-5-27 6811 Sonoma Alexander Valley, State Highway 128, about 8 miles southeast of Geyserville. Roadside ditch at b ase of foothill slope. 152 Comment
  CAS-BOT-BC154123  Datura Peter Rubtzoff 1971-8-23 6651 Sonoma Laguna, Chileno Valley. Comment
  UCD126489  Daucus pusillus Frederica Bowcutt 1984-6-23 454 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, about 1/2 mile north of Gerstle Cove. 15 Comment
  CAS-BOT-BC292097  Delairea odorata Greg de Nevers 1986-12-17 8117 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC9574  Delphinium bakeri E. Armstrong 1932-5-7 5900 Sonoma Coleman Valley at Hedrin Ranch Comment
  CAS-BOT-BC9016  Delphinium decorum Ella D. Cantelow 1940-4-6 4274 Sonoma W of Bodega on Larkspur Rock Comment
  CAS-BOT-BC9021  Delphinium decorum M. Hallet 1925-3-2 s.n. Sonoma Graton Comment
  CAS-BOT-BC9022  Delphinium decorum M. Hallet 1927-4-1 s.n. Sonoma Graton Comment
  UC726246  Delphinium decorum subsp. tracyi A. A. Heller 1938-5-14 15089 Sonoma steep slope a mi or more e Bodega Bay Comment
  SD56750  Delphinium hesperium Darley F. Howe 1963-7-2 3577 Sonoma 4.2 miles north of junction with #12 on #1 Comment
  UC118585  Delphinium hesperium subsp. hesperium Michener and Bioletti 1892-5-30 932 a Sonoma Hood's Peak Comment
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Jun 5 2007
  CAS-BOT-BC10093  Delphinium luteum Milo S. Baker 1926-4-14 186 e Sonoma Between Bodega and the Bay Comment
  CAS-BOT-BC10095  Delphinium luteum Milo S. Baker 1926-4-14 186 d Sonoma Between Bodega and the Bay Comment
  CAS-BOT-BC10128  Delphinium luteum A. A. Heller 1940-5-17 15634 Sonoma On State Highway #1, a mile or so east of Bodega Bay Comment
  JEPS23518  Delphinium luteum Vina Wiley Kraeger 1923-4-1 Sonoma Bodega Comment
  LA207535  Delphinium luteum Joseph Andorfer Ewan; 1935-5-12 9229 Sonoma 1.5 m. W of Bodega, Bodega Bay rd Comment
  LA207536  Delphinium luteum Joseph Andorfer Ewan; 1935-5-12 9203 Sonoma 2 mi W of Bodega Bay on Bodega Bay rd Comment
  NY353342  Delphinium luteum A. A. Heller 1902-4-11 5256 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET10536041  Delphinium luteum A. Arthur Heller, H. E. Brown 1902-1 Sonoma Comment
  CAS-BOT-BC9900  Delphinium nudicaule Herbert L. Mason 1928-4-8 4287 Sonoma Two miles north of Fort Ross Comment
  UC70361  Delphinium nudicaule Milo S. Baker 1899-1 Sonoma Santa Rosa Comment
  CAS-BOT-BC8004  Delphinium nudicaule Milo S. Baker 1935-5-12 8080 Sonoma 0.5 mi. up Salmon Creek Comment
  CAS-BOT-BC8013  Delphinium nudicaule F. Krauss 1895-5-6 s.n. Sonoma near Franza Valley Comment
  CAS-BOT-BC9897  Delphinium nudicaule Doris K. Kildale 1928-4-1 4400 Sonoma Top of grade, just north of Cloverdale, on Redwood Highway Comment
  JEPS86296  Delphinium patens Jack and Betty Guggolz 1989-5-5 1009 Sonoma Comment
  POM302103  Delphinium variegatum H. C. Cantelow 1940-4-6 s.n. Sonoma 1/2 miles S of Shellville Comment
  UC467783  Delphinium variegatum subsp. variegatum H. P. Chandler 1907-4-20 7518 Sonoma Eldridge Comment
  CAS-BOT-BC7765  Delphinium variegatum subsp. variegatum Ella D. Cantelow 1940-4-6 4273 Sonoma South of Shellville Comment
  CAS-BOT-BC7770  Delphinium variegatum subsp. variegatum John Thomas Howell 1941-4-5 16175 Sonoma 1 mile S of El Verano Comment
  SEINET5339603  Dendromecon rigida K. Brandegee 94 Sonoma Mt. St. Helena, North Coast Ranges, on slopes back of the Toll House. Comment
  CAS-BOT-BC210076  Dentaria Peter Rubtzoff 1958-5-10 3651 Sonoma Laguna de Santa Rosa north of Cunningham (near Todd Road) Comment
  UCD61085  Deschampsia cespitosa Peter Kamb; Francia Chisaki 1950-6-16 1861 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners. Comment
  UCD63753  Deschampsia cespitosa subsp. holciformis P. B. Kennedy 1914-10-1 Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC201642  Deschampsia danthonioides Greg de Nevers 1996-6-5 10827 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC210040  Deschampsia danthonioides Peter Rubtzoff 1969-5-24 6061 Sonoma Vernal pool 7.5 mi. northeast of Penngrove on Lichau Road. 426 Comment
  RSA0059085  Deschampsia danthonioides Greg de Nevers 1997-5-13 10999 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat. 100 Comment
  RSA784394  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6075 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  UCD165167  Deschampsia danthonioides Peter Rubtzoff 1974-5-26 7494 Sonoma Todd Road 1.5 mi. from Hwy. 116 and 0.5 mi. from Llano Road. Comment
  CAS-BOT-BC201970  Deschampsia elongata Peter Rubtzoff 1960-5-30 4429 Sonoma Vacation Beach, near Guerneville Comment
  RSA155506  Deschampsia elongata L. S. Rose 1962-6-1 62064 Sonoma 1 mi. nw of Freestone 76 Comment
  UC1131465  Deschampsia elongata H. S. Yates 1936-5-16 5607 Sonoma 1 mi. n.w. Mountain View School; Sebastopol Quad. Comment
  RSA785844  Deschampsia holciformis Peter Rubtzoff 1971-6-25 6571 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  CAS-BOT-BC208927  Dichanthelium acuminatum subsp. acuminatum Helen D. Geis 1903-8-1 569 Sonoma The Geysers Comment
  CAS-BOT-BC221849  Dichanthelium acuminatum subsp. fasciculatum Mary P. Wells 1984-6-8 346 Sonoma Site for North Firestation, east of Highway #1. The Sea Ranch 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
  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
  SEINET10559863  Dichanthelium acuminatum var. acuminatum Crampton 1964-8-18 CRAMPTON 7139 f Sonoma N.E. Sonoma Country, The Geysers. 12 miles (in direct line) east of Colverdale, ca. 1/2 mile east Geyser Resort area, slope of stream well (locally called "The Outlaw") or otherwise thermal no. 10 (Thermal Power co.), steep banks along road to steam well. Below slope of live oaks and digger pines, loose sandy-cinnabar soil, moist to dry, plants erect to wide spreading, Topotype. 494 Comment
  CAS-BOT-BC502208  Dichelostemma capitatum L. R. Abrams 1918-4-27 6907 Sonoma Independence School near Healdsburg Comment
  UCD148240  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2013-3-29 2901 Sonoma 0.6 mi E of Occidental, at jct Occidental Rd and Facendini Lane. 262 Comment
  SEINET4207210  Dichondra occidentalis A. A. Beetle 1940-4-7 2598 Sonoma Five miles north of Jenner.; 0 Comment
  CAS-BOT-BC183611  Digitaria Peter Rubtzoff 1971-8-23 6645 Sonoma Stony Point Road, just S of Hwy. 116. Comment
  RSA788364  Digitaria Peter Rubtzoff 1965-8-16 5597 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  CHSC1749  Diplacus aurantiacus H. Holder 1949-5-19 Sonoma Highway #1. Comment
  CAS-BOT-BC151881  Diplacus congdonii John Thomas Howell 1937-4-11 12892 Sonoma Triniti Mt. east of Glen Ellen Comment
  CAS-BOT-BC151750  Diplacus kelloggii A. A. Heller; H. E. Brown 1902-4-14 5282 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC182751  Dipsacus Peter Rubtzoff 1954-7-27 1570 Sonoma Guerneville Marsh. Comment
  UC1134581  Disporum hookeri H. S. Yates 1934-4-21 3802 Sonoma near Bodega 91 Comment
  UC1134582  Disporum hookeri E. Armstrong 1934-3-26 902 Sonoma 1 mi w of Camp Meeker 182 Comment
  POM109250  Disporum hookeri var. hookeri Marcus E. Jones 1882-7-8 s.n. Sonoma Duncan Mills. 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
  UCD64362  Distichlis spicata Collector Unknown 1941-9-1 154 Sonoma Near mouth of Walker Cr. by Tomales Bay. Comment
  RSA17454  Dodecatheon hendersonii Elmer I. Applegate 1934-3-25 8856 Sonoma Sausal Creek, Pine Flat region. 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
  UCD33097  Downingia concolor Beecher Crampton 1966-5-10 7728 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  JEPS14425  Downingia concolor var. concolor W. L. Jepson 1921-6-3 9313 Sonoma Cotati Valley, at Wilfrid sta. Cotati Valley Comment
  UC1244020  Downingia concolor var. concolor John H. Weiler 1961-4-30 6197 Sonoma 1.2 mi w Schellville railroad station (along State Highway 37) Comment
  RSA0002274  Downingia cuspidata F. T. Bioletti 1893-6-10 s.n. Sonoma Los Giulucos. Comment
  UC1188754  Downingia pusilla John Weiler 1960-4-9 6035 Sonoma 4.4 mi n Sears Point (along State Highway 37) Comment
  CAS-BOT-BC277741  Dryopteris arguta Mona Bourell; Alva Day; George Lindsey 1986-6-26 1813 Sonoma CAS Pepperwood Ranch. 6 miles east of Santa Rosa 365 Comment
  CAS-BOT-BC71019  Dryopteris arguta A. T. Graff 1926-2-1 s.n. Sonoma Cazadero Comment
  UCD101882  Dudleya cymosa Frederica Bowcutt 1994-6-12 1877 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Along Adobe Canyon Road, on road cut. 396 Comment
  SD38625  Dudleya farinosa Edith A. Purer 1932-7-21 4036 Sonoma Bodega Bay Comment
  SEINET4558824  Dysphania botrys Peter Rubtzoff 1965-1 5615 Sonoma Russian River bottom at Forest Hills (5.5 mi east of Guerneville) Comment
  CAS-BOT-BC176201  Echinochloa crus-galli Peter Rubtzoff 1955-7-17 1974 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC208555  Echinochloa crus-galli John Thomas Howell; Walter Knight; Irja Knight 1986-10-9 6283 Sonoma Llano Road between Gravenstein Hwy. and Todd Road near sewage plant. Comment
  CAS-BOT-BC208553  Echinochloa crus-galli David L. Morgan 1955-7-5 s.n. Sonoma Bloomfield Rd., 2 mi. N of junction of Petaluma-Valley Ford Rd. Comment
  CAS-BOT-BC208556  Echinochloa crus-galli John Thomas Howell 1957-10-12 32999 Sonoma Ca. 1 mi. SW of Sonoma Comment
  RSA800158  Eleocharis Peter Rubtzoff, Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7801 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC113728  Eleocharis acicularis Peter Rubtzoff 1955-4-23 1778 Sonoma Bennett Mt. Lake. Comment
  CDA13127  Eleocharis acicularis G. F. Hrusa, R. Gross 1996-6-3 13062 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
  CAS-BOT-BC112203  Eleocharis radicans Peter Rubtzoff 1956-9-21 2933 Sonoma Vacation Beach, near Guerneville. Sancy beach of Russian River. Comment
  CAS-BOT-BC112206  Eleocharis radicans Peter Rubtzoff 1961-8-25 4722 Sonoma Forest Hills, east of Guerneville. Open, wet margin of Russian River. Comment
  CAS-BOT-BC112205  Eleocharis radicans Peter Rubtzoff 1962-7-28 5006 Sonoma Laguna de Santa Rosa east of Cunningham, near Llamo Road. Comment
  JEPS45815  Elymus californicus Eleanor Armstrong 1932-5-23 167 Sonoma 1 mi w of Camp Meeker (near coast) 91 Comment
  SEINET266627  Elymus glaucus P. G. Connors 1990-7-19 96 Sonoma Bodega Head. Comment
  UC573713  Elymus glaucus H. S. Yates 1937-6-6 6580 Sonoma 8 mi sw Healdsburg; Healdsburg Quadrangle Comment
  CAS-BOT-BC203705  Elymus glaucus subsp. glaucus Mary P. Wells 1984-5-24 282 Sonoma Annadel State Park, Santa Rosa Comment
  CAS-BOT-BC203712  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-3 1150 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  JEPS45813  Elymus glaucus subsp. glaucus Eleanor Armstrong 1932-5-19 162 Sonoma 1 mi w Camp Meeker 91 Comment
  CAS-BOT-BC203706  Elymus glaucus subsp. glaucus K. Wagnon 1939-5-20 209 Sonoma Along road by Santa Rosa Airport Comment
  UCD62374  Elymus glaucus subsp. glaucus R. Tofsrud 1941-4-1 47 Sonoma Mc Donald Reservoir. Comment
  UCD84285  Epilobium Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  SEINET12194346  Epilobium brachycarpum W. Knight, Knight, I. 1984-1 5418 Sonoma Lakeville Hwy, on bank of Petaluma River 3 Comment
  UCD158798  Epilobium canum James A. Neilson Jr. 1974-7-10 2825 Sonoma Mayacmas Mountains. One-half mile south of Geyser Rock, west of Whispering Pines, on road to PG and E geothermal units 9 and 10. 998 Comment
  CAS-BOT-BC268107  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1969-8-26 6150 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  RSA155530  Epilobium ciliatum subsp. ciliatum L. S. Rose 1960-9-14 60096 Sonoma Laguna de Santa Rosa, 4 miles NE of Graton 15 Comment
  RSA800038  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1967-8-28 5867 Sonoma Lower Salmon Creek Marsh. Comment
  UCR42297  Epilobium minutum L. F. LaPre 1985-6-25 s.n. Sonoma Coast Ranges, Socrates Mine, c. 9 mi. ENE of Geyserville 917 Comment
  SEINET12194282  Epilobium minutum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -243 Sonoma end of Stoetz Road 200 Comment
  CAS-BOT-BC210075  Equisetum Peter Rubtzoff 1973-8-21 7255 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD165778  Equisetum Peter Rubtzoff 1973-8-31 7291 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC183617  Equisetum X ferrissii Peter Rubtzoff 1960-6-9 4480 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  UCD148435  Equisetum X ferrissii Peter Rubtzoff 1962-5-25 4840 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC57039  Equisetum arvense Peter Rubtzoff 1956-9-14 2872 Sonoma Vacation Beach, near Guerneville, on Russian River bottom Comment
  CAS-BOT-BC57048  Equisetum arvense Peter Rubtzoff 1958-8-16 3879 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  UCD19307  Equisetum arvense Terry Reedy 1974-5-11 208 Sonoma Bodega Head, in freshwater marsh in standing water. 6 Comment
  UC211449  Equisetum hyemale subsp. affine Michener and Bioletti Mar, 1893 Sonoma Hood's Peak Comment
  RSA784476  Equisetum hyemale var. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC164055  Equisetum hyemale var. californicum Peter Rubtzoff 1961-10-23 4785 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  UCD167955  Equisetum laevigatum James Neilson 1981-7-16 4052 Sonoma Mayacmas Mountains. On Big Sulphur Cr. 200 yards west of bridge of Cloverdale-Geysers Rd. About 6 miles west of Geysers Resort. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC57643  Equisetum telmateia Walter Knight; Irja Knight 1963-9-15 383 Sonoma Los Alamos Rd. Comment
  CAS-BOT-BC57645  Equisetum telmateia Peter Rubtzoff 1955-4-9 1769 Sonoma Forestville Marsh Comment
  UC1151492  Equisetum telmateia subsp. braunii H. E. Brown and A. A. Heller 1902-3-27 5161 Sonoma w base Mt. Hood Comment
  UCD135713  Equisetum telmateia subsp. braunii G. F. Hrusa 1995-4-2 12042 Sonoma Franz Valley Rd., approx. 3 m. W of Knights Valley interection with Hwy. 128. 150 Comment
  CAS-BOT-BC204540  Eragrostis curvula Peter Rubtzoff 1971-8-23 6653 Sonoma Meacham Road 0.35 mi. south of Stony Point Road Comment
  CAS-BOT-BC182757  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1954-7-3 1517 Sonoma Vacation Beach, near Guerneville. Comment
  SEINET11265218  Erechtites glomeratus Kaye H. Thorne 1984-11-21 3634 Sonoma Sea Ranch, 2.5 miles South Gualala, stabilized coast dunes old sheep ranch.; 0 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
  JEPS86762  Ericameria arborescens Jack and Betty Guggolz 1990-9-25 1096 Sonoma 1.5 mi se Warm Springs Dam (1/8 mi ne of the dam of the large reservoir on Harry Merlo's property) 198 Comment
  RSA149838  Ericameria ericoides var. ericoides George W. Barclay 1839-10 3037 Sonoma Bodegas Comment
  CAS-BOT-BC293621  Erigeron biolettii Marcus E. Jones 1882-7-17 3620 Sonoma Duncan's [Duncans] Mills Comment
  CAS-BOT-BC293627  Erigeron biolettii H. M. Hall 1909-6-25 8518 Sonoma Guernewood Park Comment
  SEINET7067253  Erigeron glaucus A. G. Vestal 1947-5-13 s.n. Sonoma South Sonoma Coast, about 1.3 miles north of Salmon Creek on Route 1. Coordinate datum: NAD27. Comment
  UC1557906  Erigeron glaucus J. Semple, S. Heard 1986-8-20 8571 Sonoma CA-1, between Jenner and Bodega Bay (edge of bluffs) Comment
  UC2031714  Erigeron greenei Sherry Adams 2011-7-15 Sonoma About 12 miles ENE from Healdsburg, via Pine Flat Road. About 1400' E of confluence of McDonnell and Ingalls Creeks Modini Ingalls Ecological Preserve of Audubon Canyon Ranch Comment
  UCR254906  Erigeron inornatus Greg de Nevers 1993-8-7 10480 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS86761  Erigeron reductus var. angustatus Jack and Betty Guggolz 1990-9-20 1095 Sonoma about a mile N of Camp Meeker (just below the reservoir on Grub Creek) 79 Comment
  CAS-BOT-BC300253  Erigeron reductus var. angustatus Steve Edwards 1984-7-22 s.n. Sonoma Along Bohemian Hwy. N. of Camp Meeker Comment
  JEPS82248  Erigeron serpentinus Roger Raiche 1983-8-6 30587 Sonoma near seep above Austin Creek (below Laton Mine buildings); the Cedars Comment
  UC1124290  Eriodictyon californicum A. Lewis May 1932 123 Sonoma Calabasas Creek; Napa Quad., Calabasas Creek 457 Comment
  JEPS82525  Eriogonum compositum var. compositum Roger Raiche 1984-4-1 40081 Sonoma sw Cloverdale (e of Lake Sononma (Dry Crk.)); Prichett Peaks, Dry Crk. 518 Comment
  CAS-BOT-BC248813  Eriogonum compositum var. compositum Roger Raiche 1983-6-4 30373 Sonoma On s. side of Sweetwater Springs Rd. (above Porter Creek somewhat e. of its intersection with John Gordon Creek), 3.9 mi. w. on Sweetwater Springs Rd. from its origin at west side highway 121 Comment
  CAS-BOT-BC259259  Eriogonum latifolium John Thomas Howell 1930-6-8 5288 Sonoma 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC259263  Eriogonum latifolium Mrs. H. P. Bracelin 1930-7-27 24 Sonoma Two miles north of Bodega Bay Comment
  CAS-BOT-BC259266  Eriogonum latifolium Greg de Nevers 1997-5-14 11001 Sonoma Estero Americano, south of Bodega. Sonoma Land Trust Hepper Preserve 30 Comment
  CAS-BOT-BC259478  Eriogonum luteolum John Thomas Howell 1932-9-18 10786 Sonoma Field bordering Sonoma Creek where it enters the level of Sonoma Valley Comment
  UC6525  Eriogonum luteolum var. luteolum Alice King Oct. 1896 Sonoma Healdsburg Comment
  CAS-BOT-BC270980  Eriogonum nervulosum Elizabeth McClintock 1978-8-15 s.n. Sonoma Cobb Mountain Comment
  UC196695  Eriogonum nudum var. auriculatum Miss C. M. Hoak 1912-8-8 Sonoma Monte Rio 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-BC261697  Eriogonum nudum var. nudum Walter Knight; Irja Knight 1963-9-15 239 Sonoma Los Alamos Rd, Santa Rosa Comment
  JEPS82287  Eriophorum crinigerum Roger Raiche 1983-6-25 20425 Sonoma near Laton Mine (headwaters of creek); the Cedars, Austin Creek 335 Comment
  CAS-BOT-BC298518  Eriophyllum confertiflorum Mrs. C. A. Burlingame 1921-6-28 s.n. Sonoma About 3 mi. S. of Healdsburg. Comment
  CAS-BOT-BC301147  Eriophyllum lanatum var. achilleoides Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  UC507059  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-5-20 E 25 Sonoma 3.5 mi from Healdsburg (between Santa Rosa and) Comment
  CAS-BOT-BC301154  Eriophyllum lanatum var. achilleoides Greg de Nevers 1981-5-9 1111 Sonoma Pepperwood Ranch Comment
  RSA143962  Eriophyllum lanatum var. achilleoides Roxana S. Ferris, Laura Lorraine 1961-6-14 13524 Sonoma Junction of Bittner Rd. with Joy Rd. between Occidental and Bodega. Comment
  CAS-BOT-BC301278  Eriophyllum lanatum var. arachnoideum A. A. Heller; H. E. Brown 1902-4-11 5262 Sonoma Bodega Bay Comment
  UCD132185  Eriophyllum lanatum var. arachnoideum Charles B. Heiser Jr. 1946-4-13 1721 Sonoma 2 miles east of Jenner. Comment
  UCD131633  Eriophyllum staechadifolium Frederica Bowcutt 1984-6-23 432 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. North of Gerstle Cove approx. 1/2 mile. 15 Comment
  UCD103174  Erodium cicutarium P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC520405  Eryngium aristulatum Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km SE of cit of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation est. from Google Earth by label maker. 22 Comment
  UCD127477  Eryngium aristulatum G. F. Hrusa; R. Gross 1997-7-24 14016 A Sonoma at CAS Pepperwood preserve. Comment
  UC202767  Eryngium armatum A. D. E. Elmer July, 1903 4776 Sonoma Petaluma Comment
  UC20997  Eryngium armatum J. W. Congdon July 1888 Sonoma Petaluma Comment
  UCD38723  Eryngium armatum Beecher Crampton 1957-7-11 4324 Sonoma Sonoma Coast State Park. 0.8 miles north of Salmon Creek. Comment
  UC1931039  Eryngium constancei G. F. Hrusa 1996-10-5 13582 B Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m SW of Calistoga. 700 Comment
Read comments
Jan 8 2013
  UCD126741  Eryngium constancei G. F. Hrusa; R. Gross 1996-6-30 13057 Sonoma North Coast Biodiversity Arena; On the summit of Mayacmas Range at west end of Diamond Mtn. Rd.; 2 m. SW of Calistoga. 700 Comment
  SEINET14196771  Erythranthe bicolor K. Brandegee 1905-6-8 s.n. Sonoma Between Santa Rosa and Sebastopol. Comment
  CAS-BOT-BC153628  Erythranthe inodora Peter Rubtzoff 1955-7-10 1950 Sonoma Duncans Mills Marsh Comment
  SEINET8370236  Erythranthe microphylla Robert F. Thorne 1965-4-19 34286 Sonoma near county dump on Stoetz Road off of Harrison Grade ca. 2 miles nne of Occidental. 183 Comment
  CAS-BOT-BC110557  Eschscholzia John H. Thomas 1969-4-28 14929 Sonoma Duncan's Mill between the coast and Guerneville. Comment
  UC1126388  Eschscholzia caespitosa E. Armstrong 1934-3-26 922 Sonoma 2 mi n Camp Meeker; Sebastopol Quadrangle 91 Comment
  SBBG21100  Eschscholzia californica V. Haraden 1941-7-13 Sonoma E exposure to bay, Bodega Bay 15 Comment
  SEINET7067266  Eschscholzia californica A. G. Vestal 1947-5-13 s.n. Sonoma North of Salmon Creek. Coordinate datum: NAD27. UTM 10, 494344mE, 4245376mN. 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
  UC1071564  Euonymus occidentalis var. occidentalis E. Armstrong 1934-3-26 903 Sonoma 1 mi. w. Camp Meeker; Sebastopol Quad. Comment
  UC635617  Euonymus occidentalis var. occidentalis H. L. Mason 1928-7-11 4890 Sonoma canyon 2 mi. n. Fort Ross Comment
  CDA34801  Euphorbia oblongata Peter Warner 2010-5-6 142 Sonoma Annadel State Park, North Burma Trail, ~ 500 m W of junction with Richardson Trail; along trail and downslope. Comment
  UCD142411  Euphorbia oblongata Thomas C. Fuller 1985-5-31 20430 Sonoma East side of Arnold Drive; Hwy 116; just north of culvert no. 45.19; ca. 7 km. south of El Verano. Comment
  UCD142412  Euphorbia oblongata Thomas C. Fuller 1985-5-31 20430 Sonoma East side of Arnold Drive; Hwy 116; just north of culvert no. 45.19; ca. 7 km. south of El Verano. Comment
  SEINET9325144  Euphorbia peplus John Nelson, Wnek, R. 2000-3-8 20951 Sonoma Near Safeway Grocery, S side of Main St/River Rd (=Hwy 116) in downtown Guerneville. AC Moore Herbarium (USCH) Univ of S. Carolina Comment
  UCD142479  Euphorbia peplus C. Wistrom 1996-5-26 32 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  JEPS87228  Eurybia radulina Jack and Betty Guggolz 1992-7-25 1333 Sonoma 4+ mi WSW of, (rd-edge through brush field 5/8 mi ssw of Bradford Mtn) Geyserville; Bradford Mountain 292 Comment
  CAS-BOT-BC239730  Fabaceae Peter Rubtzoff 1974-5-25 7457 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC368075  Festuca Greg de Nevers 1998-6-10 11276 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  UCR256126  Festuca Greg de Nevers 1997-6-7 11019 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa On Oakhill Ranch burned area 400 Comment
  CAS-BOT-BC278281  Festuca californica G. DeNevers 1982-4-18 1948 Sonoma Pepperwood Ranch. In W arm at Garrison Canyon Comment
  RSA121313  Festuca idahoensis H. S. Yates 1937-5-31 6568 Sonoma Alpine School. 305 Comment
  CAS-BOT-BC278887  Festuca occidentalis Milo S. Baker 1945-5-1 10893 Sonoma Santa Rosa Cr. Canyon, south slope Comment
  UCD33234  Festuca roemeri Beecher Crampton 1967-5-15 7930 Sonoma Lytton. Comment
  UC1023597  Festuca rubra Virginia Bufford 1936-5-19 267 Sonoma 2 to 3 mi from Santa Rosa; Bennett Valley Comment
  CAS-BOT-BC354071  Filago Peter Rubtzoff 1965-8-29 5629 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC53267  Frangula californica subsp. californica A. A. Heller 1902-7-8 5816 Sonoma Between Healdsburg and Geyserville Comment
  SJSU5729  Fraxinus latifolia L. S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Cr, NE of Santa Rosa 121 Comment
  UC429300  Fritillaria liliacea Milo S. Baker 1897-4 Sonoma near Santa Rosa (on Bennett Peak); Bennett Peak Comment
  CAS-BOT-BC130453  Fritillaria purdyi Milo S. Baker 1927-4-23 2207 a Sonoma Mt. St. Helena Comment
  CAS-BOT-BC130455  Fritillaria purdyi M. D. B.; Demeor 1926-3-30 163 c - Son. Serries Sonoma The Crater - Mt. St. Helena Comment
  UC197239  Fritillaria recurva Michener and Bioletti April 1892 Sonoma Hoods Peak Comment
  RSA44297  Galium andrewsii E. Z. Lovegrove 1946-4-28 s.n. Sonoma Mt St Helena. Comment
  JEPS111397  Galium andrewsii subsp. andrewsii Jack and Betty Guggolz 1997-5-31 1521 Sonoma South Pine Flat 683 Comment
  UCD121675  Galium aparine Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 033 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD121623  Galium aparine Erik Beever 1993-5-8 222 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 365 Comment
  SBBG28783  Galium californicum subsp. californicum J. T. Howell 1930-7-27 5406 Sonoma 1 mi N of Fort Ross Comment
  SEINET12271023  Galium divaricatum Unknown 1940-1 1014 Sonoma behind Fountaingrove Vneyard 3 mi N of Santa Rosa along Hwy 101 Comment
  RSA178028  Galium nuttallii Robert F. Thorne 1965-4-19 34284 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC371433  Galium parisiense Greg de Nevers 1997-4-22 10953 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Above Bechtel House 400 Comment
  POM67597  Galium porrigens Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  UCD55074  Galium porrigens Ellen Dean; Tammie Beyerl 2006-4-28 3018 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  POM194199  Galium porrigens J. T. Howell 1929-6-9 4297 Sonoma 2 miles N of Sonoma Comment
  HSC83435  Gamochaeta ustulata Mary M. Hektner, Cathy Hendel, , Susan Dakuzaku 1974-6-27 78 Sonoma Unit 28 Owners' Map, Sea Ranch near State Hwy. 1 Comment
  RSA790994  Gamochaeta ustulata Peter Rubtzoff 1962-6-19 4923 Sonoma Occidental Marsh. Comment
  UCD148421  Gamochaeta ustulata Peter Rubtzoff 1960-5-22 4413 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  UC727700  Garrya elliptica Milo S. Baker 1946-2-7 11261 Sonoma near Kenwood (Maplewood); Maplewood Comment
  CAS-BOT-BC311820  Gastridium Peter Rubtzoff; Nancy Harrison 1976-6-18 8649 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC278695  Gastridium phleoides J. W. Congdon 1880-8-22 s.n. Sonoma Santa Rosa Comment
  UCD66549  Gastridium phleoides Beecher Crampton 1964-8-18 7147 Sonoma N.e. Sonoma County: The Geysers, Big Sulphur Creek. Comment
  CAS-BOT-BC278684  Gastridium phleoides G. DeNevers 1981-5-26 1329 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  CAS-BOT-BC278693  Gastridium phleoides Peter Rubtzoff 1961-8-22 4692 Sonoma Fife Creek Marsh Comment
  UCR248771  Gastridium ventricosum Peter Rubtzoff 1972-6-29 6798 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  UCR248772  Gastridium ventricosum Peter Rubtzoff 1971-7-9 6599 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  CDA2168  Gaudinia fragilis J. Valerius, Heather Lake 2002-6-25 s.n. Sonoma Northwest of intersection of Asti Road and South Cloverdale exit ramp from Hwy 101, Cloverdale. 0 Comment
  SEINET11995840  Gaultheria shallon F. H. Utech 1988-1 88 -219 Sonoma Salt Point, along CA 1 between Tenner & Stewart's Point, mile marker 38.39 75 Comment
  CAS-BOT-BC293761  Geraniaceae Peter Rubtzoff 1969-6-14 s.n. Sonoma Vernal pool, 6.5 miles northeast of Penngrove on Lichan Road. Comment
  UC796669  Geranium dissectum Ira L. Wiggins 1949-4-30 12068 Sonoma 4 mi w Calistoga Comment
  RSA0028535  Geranium dissectum I. L. Wiggins 1949-4-30 12068 Sonoma 4 miles west of Calistoga. Comment
  SEINET12183382  Geranium molle F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -092 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 244 Comment
  HSC100880  Gilia capitata subsp. pacifica Peter Warner, Sara Gordon 2011-6-16 219 Sonoma Jenner Headlands property, ~3 mi. NW of Jenner, lower Russian Gulch, near large rock outcrop, downslope from Muniz Ranch Rd., ~400 m N20 deg. E from Hwy. 1, Russian Gulch Bridge. 26 Comment
  CAS-BOT-BC226168  Gilia capitata subsp. tomentosa Mrs. H. C. Cantelow 1941-6-7 s.n. Sonoma 3.2 miles north of Jenner on State highway 1 Comment
  RSA83145  Gilia capitata subsp. tomentosa Verne Grant, Alva Grant 1948-7-7 8599 Sonoma 3.7 miles south of Fort Ross on Hwy 1 Comment
  CAS-BOT-BC225467  Gilia millefoliata Alice Eastwood 1915-6-29 4825 Sonoma Bodega Point Comment
  UC912342  Gilia millefoliata Charles B. Heiser Jr. 1946-4-14 1734 Sonoma Bodega Head Comment
Read comments
Feb 24 2009
  SEINET4854749  Gilia pallida A. A. Heller 1902-6-23 5739 Sonoma Petrified Forest. Comment
  UCD136282  Gilia tricolor M. Rei Scampavia Evangelista 2012-5-4 1 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, specimens were collected from the gated clearing north of Pepperwood Road, along a cattle fence. 252 Comment
  SEINET7075497  Gilia tricolor subsp. diffusa A. G. Vestal 1955-5-8 s.n. Sonoma Valley of the Moon south of Kenwood. 38? deg. 23' 26" North Latitude, -122? deg. 31' 35" West Longitude. UTM Zone 10, 541365mE, 4249039mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  UC30185  Gilia tricolor subsp. tricolor H. N. Bolander 1864-1 3807 Sonoma Valley of Santa Rosa Creek Comment
  UCD117975  Gilia tricolor subsp. tricolor Frederica Bowcutt; Adam Green 1994-5-21 1799 Sonoma Sugarloaf Ridge State Park, about 50 air miles north of San Francisco, about 10 air miles east of Santa Rosa, about 1.5 air miles north of Kenwood, about 18 air miles NW of Napa. Along meadow trail approx. 0.25 mile from trailhead. 396 Comment
  CAS-BOT-BC266522  Githopsis diffusa Peter Rubtzoff 1957-5-26 3354 Sonoma Near Occidental - Graton road, 2.7 miles E of Occidental Comment
  UC29085  Githopsis specularioides F. T. Bioletti 1892-5-15 Sonoma Comment
  CDA2721  Gladiolus italicus William J. Ferlatte 1974-5-1 Sonoma Northwest corner of East Washington and Adobe Road, Petaluma. 0 Comment
  UC914251  Glebionis segetum Verne Grant and Alva Grant 1947-5-4 7952 Sonoma 1 mi e of Bodega Bay (on road to Bodega) Comment
  CAS-BOT-BC227642  Glyceria Peter Rubtzoff 1964-6-24 5382 Sonoma Coleman Marsh. Comment
  UCD148471  Glyceria Peter Rubtzoff 1964-5-30 5324 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa. Comment
  UC1446208  Glyceria declinata Paul But with Peter Rubtzoff 1974-4-6 1005 Sonoma Kenwood Marsh Comment
  UCD66769  Glyceria declinata Collector Unknown 1982-5-21 Sonoma Sonoma County. Comment
  CAS-BOT-BC282728  Glyceria elata Peter Rubtzoff 1951-6-10 204 Sonoma South of the Upper Marsh, Pitkin Marsh near Forestville Comment
  RSA126635  Glyceria leptostachya H. S. Yates 1937-5-30 6554 Sonoma 1.5 miles E. of Occidental. 91 Comment
  UCD37100  Glyceria leptostachya Beecher Crampton 1955-6-17 2937 Sonoma 0.5 mile south of Guerneville. Comment
  UCR244674  Glyceria occidentalis Peter Rubtzoff 1966-5-28 5739 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road crossing) 20 Comment
  CAS-BOT-BC166684  Gnaphalium Peter Rubtzoff 1962-9-30 5103 Sonoma Vacation Beach, 2 miles below Guerneville. Comment
  CAS-BOT-BC173576  Gnaphalium Peter Rubtzoff 1968-8-18 5931 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC166679  Gnaphalium chilense Peter Rubtzoff 1958-8-23 3927 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  POM232045  Gnaphalium chilense Roxana S. Ferris 1937-8-18 9375 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC166783  Gnaphalium palustre Peter Rubtzoff 1954-7-3 1515 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC166785  Gnaphalium palustre Peter Rubtzoff 1959-8-30 s.n. Sonoma Drake's Beach near Guerneville. Comment
  CAS-BOT-BC166794  Gnaphalium palustre Peter Rubtzoff 1958-7-5 3727 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC166786  Gnaphalium palustre Peter Rubtzoff 1962-10-23 5126 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC235485  Gratiola heterosepala Greg de Nevers 1994-6-12 10525 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 457 Comment
  RSA785928  Grindelia Peter Rubtzoff 1971-6-10 6533 Sonoma Laguna de Santa Rosa E of Graton, between Occidental and Guerneville Roads. Comment
  JEPS41926  Grindelia hirsutula F. T. Bioletti 1891-1 Sonoma Glen Ellen Comment
  JEPS86802  Grindelia hirsutula Jack and Betty Guggolz 1991-7-20 1210 Sonoma 2.25 mi nw Camp Meeker (along a road) 182 Comment
  UC473547  Grindelia hirsutula John Thomas Howell 1930-6-8 5256 Sonoma 1 mi e Bodega Comment
  CAS-BOT-BC305170  Grindelia hirsutula Alice Eastwood 1921-7-20 10615 Sonoma Between Cotati & Santa Rosa Comment
  CAS-BOT-BC305192  Grindelia hirsutula Walter Knight; Irja Knight; Tiffany Knight 1985-7-21 6349 Sonoma Pine Flat Road. Between Jimtown and Geothermal area Comment
  RSA0001224  Grindelia hirsutula var. brevisquama J. T. Howell 1930-6-8 5221 Sonoma 8 miles w. of Petaluma. Comment
  POM202659  Grindelia hirsutula var. davyi J. T. Howell 1932-10-9 10816 Sonoma 6 miles from Sonoma on road to Napa. Comment
  UCD160836  Grindelia nana James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3371 a Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CDA20573  Grindelia stricta R. Breckenridge, Vernon 2005-8-2 PDR 1351652 Sonoma North Coast; Hwy 1 near Ft Ross. 0 Comment
  UC38767  Hainardia cylindrica A. B. Leckenby July, 1896 Sonoma Petaluma Comment
  CAS-BOT-BC302251  Harmonia nutans J. Clausen 1935-5-24 1077 Sonoma Adobe Canyon at Sonoma Creek, along base of first ravine above Kenwood Sprs. Comment
  UC353800  Helenium bigelovii Milo S. Baker 1928-4-28 3001 b Sonoma Pitkin Swamp Comment
  RSA94303  Helenium bigelovii Peter Rubtzoff 1951-6-9 155 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC262951  Helenium puberulum Peter Rubtzoff 1968-7-20 5927 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC262957  Helenium puberulum Peter Rubtzoff 1977-9-3 9123 Sonoma Perry Marsh. Comment
  CAS-BOT-BC309589  Helenium puberulum Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  UCD158776  Helenium puberulum James A. Neilson Jr. 1974-7-10 3172 a Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  CAS-BOT-BC262982  Helenium puberulum Peter Rubtzoff 1955-8-13 2043 Sonoma Duncans Mills Marsh, upper portion of the marsh. Comment
  RSA800070  Hemizonia Peter Rubtzoff 1971-9-30 6709 Sonoma Laguna, Chileno Valley. Comment
  RSA94176  Hemizonia clevelandii F. W. Peirson 1925-8-8 6347 Sonoma About 1 mile N of Santa Rosa. Comment
  UC197506  Hemizonia congesta subsp. congesta H. M. Hall 1916-7-23 10240 Sonoma 4 mi nw Petaluma; San Francisco Bay Region Comment
  UC990613  Hemizonia congesta subsp. congesta James I. McMurphy 1909-5-28 Sonoma 2 mi s Fulton Comment
  CAS-BOT-BC306218  Hemizonia congesta subsp. congesta H. M. Hall 1931-5-26 13079 Sonoma Six miles northwest of Petaluma Comment
  CAS-BOT-BC309700  Hemizonia congesta subsp. lutescens L. R. Abrams 1907-8-1 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC309678  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 714 Sonoma On road to Petaluma, 4-1/2 miles south of Santa Rosa Comment
  CAS-BOT-BC309719  Hemizonia congesta subsp. lutescens H. M. Hall 1931-5-28 13104 Sonoma Bodega Bay Comment
  CAS-BOT-BC309733  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-1 5718 Sonoma Halfway up Meeker Grade Comment
  JEPS116516  Hemizonia congesta subsp. lutescens Peter Warner 2009-6-3 102 Sonoma Poff Ranch, Wright Hill Road off State Hwy 1, in grassland 25 m S of main (west) gate 250 Comment
  SD239596  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2804 Sonoma North Coast Ranges: west slope of Mayacamas Mountains, Los Alamos Rd. at Cougar Lane, 2.3 miles east of intersection Hwy 12. 328 Comment
  UC990605  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-8-7 699 Sonoma 7 mi from Santa Rosa (on road to Calistoga) Comment
  UC990626  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1910-6-8 Sonoma valley across hills from Petaluma Comment
  OBI16218  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1966-8-23 9918 Sonoma Mark West Creek, on Santa Rosa-Calistoga Rd near jctn of St Helena Rd 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
  POM181070  Hemizonia fitchii J. T. Howell 1930-9-14 5485 Sonoma 6 miles N of Geyserville. Comment
  RSA159436  Hemizonia lutescens James I. McMurphy 1909-8-8 701 -B Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  RSA81605  Hemizonia lutescens James I. McMurphy 1909-8-9 711 Sonoma Hills between Sonoma and Petaluma. Comment
  RSA81626  Hemizonia lutescens James I. McMurphy 1909-8-9 710 Sonoma Hills between Sonoma and Petaluma. Comment
  SD175774  Hesperocyparis sargentii D. G. Kelch 2006-6-24 06 323 Sonoma On serpentine along Harrison Grade. 167 Comment
  RSA63651  Hesperolinon clevelandii Milo S. Baker 1947-5-7 11743 Sonoma Southwest slope of Hood Mt. above Baker ranch. 213 Comment
  UC1212404  Hesperolinon spergulinum F. W. Hoffman 1950-6-16 3615 Sonoma near Mercuryville (on road from Healdsburg to Big Geysers) Comment
  CAS-BOT-BC311021  Heterotheca oregona G. DeNevers; S. Castagnoli 1981-8-2 1797 Sonoma Pepperwood Ranch. Along Mark West Creek Comment
  RSA0063153  Heuchera micrantha var. hartwegii A. A. Heller 1902-6-24 5756 Sonoma Near Burke s Sanitarium. Comment
  UC666147  Heuchera pilosissima Annetta Carter, Ethel Crum 1941-6-22 1640 Sonoma ne-facing slope 3.3 mi e of Bodega Bay; North Coast Ranges Comment
  UCSC000335  Heuchera pilosissima H. S. Yates 1934-3-21 3790 Sonoma near Bodega - Sebastopol 61 Comment
  CAS-BOT-BC319707  Hieracium albiflorum Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 3 miles east of Stewart's Point Comment
  JEPS36683  Hieracium albiflorum W. L. Jepson 1921-5-6 9185 Sonoma summit of grade from Calistoga to Porter Creek 457 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
  RSA178030  Hierochloe occidentalis R. F. Thorne 1965-4-19 34316 Sonoma 1/2 mile from Green Valley Road 152 Comment
  SEINET12164293  Hoita macrostachya W. Knight, Knight, I. 1984-1 5051 Sonoma 3 mi up Cavedale rd from Hwy 12 growing in web area at spring Comment
  UCD164989  Hoita macrostachya Peter Rubtzoff; Nancy Harrison 1974-8-31 7857 Sonoma Pressley Road, 0.25 miles south of junction with Sonoma Mountain Road (2.7 miles north of Lichau Road junction). Comment
  CAS-BOT-BC280791  Holcus lanatus A. A. Heller 1902-6-7 5651 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC280799  Holcus lanatus John H. Thomas 1976-6-16 18337 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  OBI35876  Holcus lanatus David J. Keil 1983-6-29 17202 Sonoma Ca. 10 mi SE of Ft Ross along hwy 1 Comment
  UC573682  Holcus lanatus H. S. Yates 1937-5-30 6538 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  CAS-BOT-BC280797  Holcus lanatus Gordon H. True; Fred Ross 1969-10-19 5152 Sonoma Point Reyes Bird Observatory 3 mi. NW of Bolinas, Marin Co. at Arroyo Honda Comment
  HSC89935  Holcus lanatus Delzie Demaree 1955-6-12 36964 Sonoma Bottoms in Westminster Woods. Comment
  CAS-BOT-BC320403  Holocarpha virgata Milo S. Baker 1945-7-17 11106 Sonoma Field S of Guerneville Hiwy about 6 mi from Santa Rosa Comment
  SEINET11843924  Holocarpha virgata W. Knight, Knight, I. 1988-1 6340 Sonoma Kortum Canyon, at county line 351 Comment
  CAS-BOT-BC152391  Holodiscus discolor var. discolor D. E. Breedlove 1980-6-27 44761 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD158726  Holodiscus discolor var. discolor Teresa A. Sholars 1976-9-9 s.n. Sonoma Mayacmas Mtns.Along Big Sulpher Creek. Ca.1.5 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 792 Comment
  RSA0060105  Holozonia filipes Greg de Nevers 1996-7-2 10854 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. On spillway of Dentist's Lake, and in creek below it. 91 Comment
  SEINET258713 Image available Hordeum brachyantherum M. Barkworth, D Amme 1989-6-15 5174 Sonoma South end of Bodega Head on restored grassland. 81 Comment
  UCD85403  Hordeum brachyantherum Hursh 1919-5-13 X 3244 Sonoma Santa Rosa. Comment
  CAS-BOT-BC289291  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1955-4-30 1796 Sonoma Stony Point Marsh Comment
  UCD85528  Hordeum brachyantherum subsp. californicum Beecher Crampton 1959-6-16 5385 Sonoma 1 mile E of Occidental. Comment
  CAS-BOT-BC285187  Hordeum marinum subsp. gussoneanum G. DeNevers; S. Kaza 1981-5-7 980 Sonoma 10510 Old Redwood Hwy. 2 mi NW of Windsor exit from 101 Comment
  POM225967  Horkelia californica Philip A. Munz 1936-8-7 14309 Sonoma 6 miles N of Bodega. Comment
  CDA25951  Horkelia tenuiloba T. C. Fuller 1958-5-24 3998 Sonoma Vinehill District. 0 Comment
  UC525518  Horkelia tenuiloba Ethel Crum 1931-5-8 1091 Sonoma near Sebastopol 60 Comment
  CAS-BOT-BC293672  Hypericum Peter Rubtzoff 1969-7-21 6115 Sonoma Guerneville Marsh, Pocket Canyon area. Comment
  SEINET7062821  Hypericum anagalloides A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point. UTM Zone 10, 464491mE, 4278527mN. (WGS84/NAD83). 0 Comment
  UC19034  Hypericum concinnum H. N. Bolander 1864-1 3948 Sonoma at the Geysers Comment
  CAS-BOT-BC410824  Hypericum concinnum Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road near Warm Spring Dam overlook Comment
  UC1069664  Hypochaeris radicata H. S. Yates 1934-4-21 3777 Sonoma near Bodega; Sebastopol Quad. Comment
  UCD136313  Hypochaeris radicata M. Rei Scampavia Evangelista 2012-5-19 6 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
  CAS-BOT-BC316711  Hypochaeris radicata Greg de Nevers 1981-5-9 1022 Sonoma By the Red Corral at teh McCann Homestead, Pepperwood Ranch Comment
  CAS-BOT-BC316717  Hypochaeris radicata John H. Thomas 1976-6-16 18270 Sonoma Southern part of Sea Ranch, northwestern part of county about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC366946  Ipomoea mutabilis Greg de Nevers 1996-11-10 10893 Sonoma Santa Rosa, Sonoma Avenue 30 Comment
  JEPS76919  Iris douglasiana Robert M. Lloyd 1963-2-24 2059 Sonoma 4 mi s State Highway 12 (on State Highway 1) 15 Comment
  SEINET10529075  Iris douglasiana R. D. Sage 1992-1-11 Sage 13410 Sonoma Collected along graton rd, 1-2 km e-ne from occidental. Comment
  UCD138705  Iris douglasiana J. J. Dunning 1963-5-12 s.n. Sonoma beside Coleman Valley Road (between State Highway 1 and Occidental), ca. 2-3 miles east of State Highway 1. Comment
  CAS-BOT-BC133678  Iris longipetala Peter Rubtzoff 1962-6-19 4925 Sonoma Occidental Marsh Comment
  RSA177917  Iris macrosiphon Robert F. Thorne 1965-4-20 34366 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  RSA48725  Iris missouriensis Lee W. Lenz 1949-5-2 14428 Sonoma 3 miles from junction of State Highway 12 and road to Calistoga Comment
  RSA135849  Iris purdyi E. K. Balls, Lee W. Lenz 1951-5-10 16538 Sonoma 0.7 miles south of Mendocino-Sonoma County line on Highway 28 Comment
  UC725363  Iris purdyi A. A. Heller 1940-5-10 15611 Sonoma w of Skagg's Springs (on the road to Stewart Point) Comment
  UCD166138  Isoetes Peter Rubtzoff 1969-5-24 6053 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road. 427 Comment
  CAS-BOT-BC57734  Isoetes howellii Greg de Nevers 1992-6-16 10165 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 304 Comment
  UC353915  Isoetes howellii Milo S. Baker 1927-5-8 2131 b Sonoma near summit of Bennett Valley Rd. Comment
  CAS-BOT-BC61916  Isoetes nuttallii John Thomas Howell 1937-6-6 13028 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC61921  Isoetes nuttallii J. Clausen 1935-5-24 1078 Sonoma Adobe Canyon along Sonoma Creek Comment
  CAS-BOT-BC61926  Isoetes nuttallii Peter Rubtzoff 1951-6-7 138 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC112389  Isolepis carinata John Thomas Howell; J. W. Stacey 1937-6-6 13027 Sonoma Pitkin Marsh Comment
  UCR224691  Isolepis carinata Ayzik Solomeshch 2009-5-12 s.n Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  CAS-BOT-BC112569  Isolepis cernua Peter Rubtzoff 1962-8-22 5059 Sonoma Bodega Bay Marsh. Comment
  POM111630  Isolepis cernua Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC251221  Juglans Peter Rubtzoff 1970-8-31 6348 Sonoma 5.5 miles East of Guerneville, along Russian River at Forest Hills. Comment
  UCR250385  Juncus balticus Peter Rubtzoff 1962-5-11 4816 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  UCD166091  Juncus balticus subsp. ater Peter Rubtzoff 1971-7-9 6595 Sonoma Five miles north of Sears Point. Comment
  CDA37961  Juncus bolanderi D. G. Kelch, Troy McGregor 2010-8-22 10 .339 Sonoma Geyser Peak Rd. Comment
  UC1601709  Juncus bolanderi F. T. Bioletti 1893-5-27 718 Sonoma Glen Ellen Comment
  UCD141394  Juncus bufonius Gerry North 1993-4 14 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 mile east of park entrance gate. 228 Comment
  UC1101034  Juncus dubius Herbert L. Mason 1946-7-4 12890 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  RSA785890  Juncus effusus Peter Rubtzoff 1964-7-29 5455 Sonoma Duncans Mill Marsh. Comment
  SEINET5586469  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-1 5920 Sonoma Upper Salmon Creek Marsh. Comment
  UCR280144  Juncus effusus subsp. pacificus Peter Rubtzoff 1971-9-3 6693 Sonoma North Coast Range, Spring Creek Reservoir 87 Comment
  CAS-BOT-BC245808  Juncus hemiendytus var. hemiendytus Alice Eastwood; John Thomas Howell 1940-5-5 7865 Sonoma Summit of Bennett Valley Road Comment
  CAS-BOT-BC164035  Juncus hesperius Peter Rubtzoff 1968-7-13 5919 Sonoma Sonoma: upper Salmon Creek Marsh Comment
  CAS-BOT-BC164053  Juncus hesperius Peter Rubtzoff 1970-9-3 6374 Sonoma Sonoma: Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing Comment
  UCR248733  Juncus lescurii Peter Rubtzoff 1954-7-26 1554 Sonoma Coleman Marsh, along Salmon Creek 3 Comment
  UC143749  Juncus occidentalis A. A. Heller 1902-6-2 5634 Sonoma Santa Rosa Comment
  RSA128807  Juncus occidentalis Peter H. Raven 1950-4-23 1914 Sonoma Solne Vista. 152 Comment
  RSA42042  Juncus occidentalis H. C. Cantelow 1936-5-3 1304 Sonoma El Verano. Comment
  UCD141648  Juncus occidentalis M. Wiesendanger 1927-5-5 713 Sonoma Sonoma. Comment
  CAS-BOT-BC173520  Juncus phaeocephalus Peter Rubtzoff; Nancy Harrison 1978-6-11 9204 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley Comment
  CDA39261  Juncus phaeocephalus T. C. Fuller & D. L. Bristow 1957-12-17 s.n. Sonoma Horn Ave., south of Santa Rosa. 0 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
  RSA247442  Kickxia elatine Peter Rubtzoff 1959-6-20 4158 Sonoma Willow Creek Marsh. Willow Creek. Comment
  CDA1348  Kickxia spuria A. Ramey 2006-11-27 PDR# 1328770 Sonoma Sebastopol; 2900 Gravenstein Hwy. 95472 Comment
  UCD85860  Koeleria macrantha P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga - Petrified Forest Road. Comment
  UCD85861  Koeleria macrantha P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga - Petrified Forest 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-BC273787  Koeleria pyramidata G. DeNevers 1981-5-23 1289 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  CAS-BOT-BC340484  Lactuca saligna John Thomas Howell 1957-10-12 33001 Sonoma About 1 mi. sw. of Sonoma Comment
  CHSC79887  Lamarckia aurea Gordon Leppig 1998-5-6 1344 Sonoma Austin Creek State Recreation Area, Austin Creek Trail, UTM zone 10 4269N, 495E. 176 Comment
  CAS-BOT-BC173573  Lamiaceae Peter Rubtzoff 1967-9-2 5880 Sonoma Forest Hills (5.5 mi. east of Guerneville). Comment
  CAS-BOT-BC486690  Lamiaceae Peter Rubtzoff 1966-8-18 5784 Sonoma Laguna de Santa Rosa ca 1 mile ESE of Sebastopol Comment
  UCD124932  Lamium purpureum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 61 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. 195 Comment
  UCD125066  Lamium purpureum Caitlin Lewis; William Mutch 1993-4-17 23 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. Along Sonoma Creek. 365 Comment
  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
  UCD150130  Lasthenia burkei Ayzik Solomeshch 2009-5-11 s.n. Sonoma Northwest 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
  CAS-BOT-BC346333  Lasthenia californica G. DeNevers 1982-4-18 1945 Sonoma Pepperwood Ranch. NW corner of Hansel's Property Comment
  CAS-BOT-BC346335  Lasthenia californica Dorothy Scherer 1997-4-15 085 Sonoma South of Kolmer Gulch and ca. 400 ft. east of Hwy One, Fort Ross State Historic Park 91 Comment
  RSA585979  Lasthenia californica Adree M. Desrochers 1990-4-23 480 Sonoma 12 miles S of Fort Ross State Historic Park; on W side of Hwy 1. Comment
  CAS-BOT-BC324932  Lasthenia californica subsp. bakeri A. A. Heller 1938-5-14 15086 Sonoma East of Bodega Bay Comment
  JEPS82092  Lasthenia californica subsp. bakeri Rimo Bacigalupi 1961-5-21 7702 Sonoma on hill due e Bodega Bay Hill Road (head of gulch); Johnson Gulch Comment
  UC893742  Lasthenia californica subsp. bakeri Milo S. Baker 1932-4-1 5906 Sonoma 4.5 mi n Ft. Ross Comment
  SJSU11865  Lasthenia californica subsp. macrantha S. H. Casey 1969-5-13 243 Sonoma Sea Ranch, 3 mi N of Stewarts Point Comment
  CAS-BOT-BC355519  Lasthenia glaberrima John Thomas Howell 1935-5-5 12604 Sonoma Near Kenwood Comment
  CAS-BOT-BC355533  Lasthenia glaberrima Peter Rubtzoff 1971-5-30 3492 Sonoma 4.25 mi. west of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC355535  Lasthenia glaberrima Peter Rubtzoff 1972-5-25 6755 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC355536  Lasthenia glaberrima J. Penalosa 1961-5-24 1601 Sonoma Upper Stemple Creek Marsh Comment
  RSA276853  Lasthenia glaberrima Peter Rubtzoff 1958-5-10 3654 Sonoma Laguna de Santa Rosa N of Cunningham (near Todd Road) Comment
  POM253184  Lasthenia macrantha subsp. bakeri A. A. Heller 1938-5-14 s.n. Sonoma East of Bodega Bay Comment
  RSA123035  Lasthenia macrantha subsp. bakeri H. S. Yates 1934-4-21 3787 Sonoma Near Bodega 61 Comment
  CAS-BOT-BC370851  Lasthenia minor Katharine Brandegee 1905-6-1 s.n. Sonoma Bodega Comment
  UC893773  Lasthenia minor Milo S. Baker 1931-4-15 5385 Sonoma mouth of Salmon Cr. Comment
  SD241760  Lasthenia minor J. Clausen 1935-5-24 1084 Sonoma 5 miles south of Jenner, on bluffs overlooking the ocean. Comment
  CAS-BOT-BC164693  Lathyrus Peter Rubtzoff 1974-9-7 7862 Sonoma Hinebaugh Creek, Rohnert Park; west of Commerce Blvd. crossing. Comment
  RSA783475  Lathyrus Peter Rubtzoff 1974-9-7 7886 Sonoma Hinebaugh Creek, Rohnert Park Comment
  RSA783473  Lathyrus Peter Rubtzoff 1971-6-23 6551 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive Comment
  UCD106225  Lathyrus grandiflorus H. S. Reed 1937-5-31 755 Sonoma Bodega. Comment
  UCR255451  Lathyrus palustris Ann Howald 2014-5-16 3004 Sonoma North Coast, lowest coastal terrace, c. 1.5 mi southeast of Del Mar Point 21 Comment
  SBBG3359  Lathyrus polyphyllus H. and M. Dearing 1939-5-15 3390 Sonoma near Stewarts Point 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
  SEINET12165541  Lathyrus vestitus subsp. bolanderi F. H. Utech 1986-1 86 -119 Sonoma ca 6 mi NE on Cavedale Road 600 Comment
  UC15369  Lathyrus vestitus var. vestitus Harley P. Chandler 1900-5-25 701 Sonoma Bodega Bay Comment
  UC15379  Lathyrus vestitus var. vestitus State Survey 1862-4-18 966 Sonoma near Sonoma Comment
Read comments
Jan 20 2011
  CDA5656  Lavandula stoechas Gordon Leppig 2000-4-22 1311 Sonoma Fuller Mountain Road. Near summit of Fuller Mountain. 0 Comment
  CAS-BOT-BC323258  Layia chrysanthemoides Alice Eastwood 1921-5-8 10440 Sonoma Petaluma Comment
  POM953187  Layia chrysanthemoides Ivar Tidestrom 1895-6-13 s.n. Sonoma [Unspecified] Comment
  SEINET3071642 Image available Layia chrysanthemoides subsp. maritima J. C. Clausen 1935-5-24 1090 Sonoma 6.2 mi. S. of Jenner Comment
  CAS-BOT-BC379623  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 miles south of Jenner Comment
  CAS-BOT-BC379625  Layia platyglossa John Thomas Howell 1930-7-27 5405 Sonoma 1 mile north of Fort Ross Comment
  UC185672  Layia platyglossa Katharine Brandegee 1905-6-1 Sonoma Bodega Comment
  UCD133977  Layia platyglossa Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 36 Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. Comment
  UC73547  Ledum glandulosum Milo S. Baker 1898-4-5 Sonoma between Sea View and Stewards Point Comment
  RSA71060  Ledum glandulosum subsp. columbianum L. S. Rose 1951-6-7 51015 Sonoma Pitkin Marsh, 5 miles N of Sebastopol. Comment
  CAS-BOT-BC210099  Lemna Peter Rubtzoff 1965-10-10 5656 Sonoma Pitkin Marsh, near Forestville. Comment
  RSA785224  Lemna Peter Rubtzoff 1969-5-11 6049 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  UC1106279  Lemna gibba John Thomas Howell 1946-9-20 23028 Sonoma near Twin Rocks (Two Rock (acc. map)); Two Rock Comment
  CAS-BOT-BC527254  Lemna gibba John Thomas Howell 1946-9-20 23028 Sonoma Near Twin Rocks Comment
  RSA127055  Lemna gibba J. T. Howell 1946-9-20 23028 Sonoma Near Twin Rocks Comment
  UC1101272  Lemna minuscula Malcolm A. Nobs, S. Galen Smith 1949-8-1 1105 Sonoma 2 mi e of Stewart's Point (on road to Geyserville) Comment
  CAS-BOT-BC527278  Lemna minuta Peter Rubtzoff 1951-8-19 652 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  RSA92943  Lemna minuta Peter Rubtzoff 1957-6-17 287 Sonoma Northern half of Lower Marsh [probably Duncans Mills Marsh] Comment
  UCR256274  Lemna valdiviana Peter Rubtzoff 1954-7-29 1603 Sonoma Guerneville Marsh Comment
  RSA0064183  Lemna valdiviana Peter Rubtzoff 1954-7-29 1612 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC173653  Lepidium Peter Rubtzoff 1959-6-13 4131 Sonoma Willow Creek Marsh, banks of Willow Creek Comment
  CAS-BOT-BC371469  Lepidium appelianum Greg de Nevers 1993-7-29 10478 Sonoma On dike of Petaluma River marsh at Highway 37. Comment
  CAS-BOT-BC177112  Lepidium didymum Peter Rubtzoff 1960-5-15 4333 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC89152  Lepidium didymum Volney Rattan 1877-6-21 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC89742  Lepidium latifolium Peter Rubtzoff 1969-8-26 6158 Sonoma Marsh on River Road ca. 3 miles west of Fulton. Comment
  SJSU8213  Lepidium latifolium W. Savage 1976-7-9 1083 Sonoma marsh between Northwestern R.R. tracks & former channel of Petaluma R, Schultz Slough 1 Comment
  UC10643  Lepidium latipes Edw. L. Greene Apr 1892 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC12656  Lepidium nitidum Alice Eastwood 1915-6-29 4800 Sonoma Bodega Point. Comment
  CHSC23086  Leptosiphon androsaceus Robert A. Schlising 1962-3-31 2128 Sonoma Coast Ranges. Ca 2 mi NE of Kenwood along road into Sugarloaf Ridge. Comment
  SEINET14160629  Leptosiphon androsaceus H. S. Yates 1934-1 3847 Sonoma 2 miles south of Mark West. Comment
  UCSB5189  Leptosiphon androsaceus Keator, Glenn 1959-4-2 Sonoma 5.5 miles up Cavedale road near its end; 6.6 miles from Agua Caliente Comment
  CAS-BOT-BC226697  Leptosiphon jepsonii G. DeNevers 1981-4-11 707 Sonoma Pepperwood Ranch. 1st meadow upstream of Pepperwood-Pippindale Gate Comment
  CAS-BOT-BC376428  Leptosiphon jepsonii Greg de Nevers 1995-6-3 10746 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Road to Weimar Flat. 400 Comment
  UCD118981  Leptosiphon parviflorus Frederica Bowcutt 1994-5-1 1788 Sonoma Sugarloaf Ridge State Park. About 50 air miles north of San Francisco. About 10 air miles east of Santa Rosa. About 1.5 air miles north of Kenwood. About 18 air miles northwest of Napa. South of Sonoma Creek about 125 yards, 0.25 mile northwest of confluence with Rattlesnake Creek. Comment
  JEPS86801  Lessingia arachnoidea Jack and Betty Guggolz 1991-7-20 1212 Sonoma about 2 1/4 mi nw of Camp Meeker 182 Comment
  CAS-BOT-BC324192  Lessingia hololeuca W. R. Dudley 1893-9-9 s.n. Sonoma near mouth of Russian River Comment
  CAS-BOT-BC273567  Leymus californicus M. S. Baker 1942-5-23 10198 Sonoma 2 1/2 miles west of Bodega town turning right in town Comment
  CAS-BOT-BC272175  Leymus triticoides Jos. Burtt Davy 1897-9-18 4037 Sonoma Roadside bank near Petaluma Comment
  UCD166467  Leymus triticoides Peter Rubtzoff 1956-9-22 2941 Sonoma Vacation Beach, near Guerneville. Comment
  UCR255038  Ligusticum apiifolium Greg de Nevers 1998-5-31 11269 A Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CDA1615  Lilaea scilloides G. F. Hrusa, R. Gross, A. Buckmann 1996-3-29 12742 Sonoma North Coast Biodiversity Arena; Napa Valley bottom, immediately S of Tubbs Lane, approx. 2 m. NW of Calistoga. Comment
  CAS-BOT-BC451700  Lilaea scilloides Alice Eastwood 1921-4-24 10362 Sonoma Santa Rosa Comment
  RSA94315  Lilium occidentale Peter Rubtzoff 1951-7-22 538 Sonoma Pitkin Marsh near Forestville; northern half of lower 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
  UC1057461  Limnanthes douglasii G. Thomas Robbins 1937-5-23 180 Sonoma near Wright School (along road between Santa Rosa and Sebastopol) Comment
  RSA215900  Limnanthes douglasii Peter Rubtzoff 1955-4-30 1788 Sonoma Stony Point Marsh. Comment
  UC726862  Limnanthes douglasii subsp. douglasii A. A. Heller 1940-4-22 15553 Sonoma field between East Windsor and West Windsor Comment
  UC75635  Limnanthes douglasii subsp. douglasii Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  UC635633  Limnanthes douglasii subsp. nivea H. L. Mason 1926-3-20 2746 Sonoma marshes s Calistoga (along railroad right-of-way) 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
  UC1368724  Limnanthes vinculans Peter Rubtzoff 1969-5-3 6026 Sonoma e Sebastopol; Laguna de Santa Rosa Comment
  NY37427  Limnanthes vinculans P. Rubtzoff 1962-5-11 4825 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA0004098  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 mile from Llano Road. Comment
  UCD166212  Limosella acaulis Peter Rubtzoff 1970-5-16 6220 Sonoma 5 miles north of Sears Point. Comment
  UC52738  Linanthus androsaceus C. B. Turrill Sonoma Comment
  UC106672  Linanthus ciliatus Michener and Bioletti 1892-5-20 1542 a Sonoma Hood's Peak Comment
  UC908781  Linanthus jepsonii Herbert L. Mason 1928-4-13 4334 Sonoma Reibli School, near springs Comment
  CAS-BOT-BC290635  Linum Peter Rubtzoff 1974-6-2 7522 Sonoma Upper Green Valley Marsh. Comment
  CHSC114678  Linum trigynum Peter Warner 2010-5-16 167 Sonoma Jenner Headlands, Knoll Field, 203m, s244 deg. W of residence house, on S-facing slope of knoll in coastal grassland. UTM 10S: 489308E, 4256990N 230 Comment
Read comments
May 27 2016
  UCD110609  Linum usitatissimum P. B. Kennedy 1929-5-25 s.n. Sonoma Frick ranch, Del Mar, near Gualala. Comment
  CAS-BOT-BC36169  Lithocarpus densiflorus var. densiflorus J. W. Congdon 1890-5-16 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC437154  Lithophragma heterophyllum A. A. Heller; H. E. Brown 1902-4-4 5220 Sonoma Hills east of Santa Rosa Comment
  SEINET12216914  Lithophragma heterophyllum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -204 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 440 Comment
  JEPS128268  Logfia filaginoides Roger Raiche 2000-4-8 026 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD167964  Logfia filaginoides James Neilson 1977-6-12 3919 Sonoma Mayacmas Mountains, McMicking Ranch, well site 2. (McMicking Ranch is also known as Santa Angelina Ranch and is in the vicinity of Knights Valley and Coon Creek.) Comment
  CAS-BOT-BC342497  Logfia gallica G. DeNevers 1981-5-15 1192 Sonoma Pepperwood Ranch. Ridgetop W of Garrison House, beneath the high power electric lines Comment
  CAS-BOT-BC342499  Logfia gallica John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54005 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC342500  Logfia gallica H. L. Mason 1934-4-28 8078 Sonoma Jensen's Ranch, head of Dohrmann Creek Comment
  CAS-BOT-BC283533  Lolium Roxana S. Ferris; Laura Lorraine 1961-6-14 13547 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UCD66013  Lolium multiflorum Gerry North 1993-4 17 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead. Less than 0.2 miles east of park entrance gate. 243 Comment
  RSA94286  Lolium perenne Peter Rubtzoff 1951-7-14 426 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  RSA121238  Lolium perenne subsp. multiflorum H. S. Yates 1937-5-30 6552 Sonoma 1.5 miles E. of Occidental. 91 Comment
  CAS-BOT-BC269191  Lolium temulentum A. A. Heller 1902-6-10 5679 Sonoma Santa Rosa Comment
  UC573663  Lolium temulentum H. S. Yates 1937-5-31 6560 Sonoma 1 1/2 mi wnw Mark West Springs; Calistoga Quadrangle Comment
  RSA452569  Lomatium caruifolium Christopher Davidson 1977-6-20 6011 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  JEPS86812  Lomatium dasycarpum subsp. dasycarpum Jack and Betty Guggolz 1991-5-4 1123 Sonoma top of Bradford Mt. (1 mi. w. of Dry Creek Rd.) 365 Comment
  RSA0051266  Lomatium hallii Greg de Nevers 1993-5-10 10443 Sonoma Harrison Grade. 182 Comment
  UCD151087  Lomatium marginatum James A. Neilson Jr. 1974-6-1 2774 Sonoma Mayacmas Mountains, Geyser Rock, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 1127 Comment
  JEPS17532  Lomatium nudicaule W. L. Jepson 1912-4-17 4771 Sonoma Sonoma Valley Comment
  SJSU10970  Lomatium nudicaule T. A. Wayne 1962-4-21 Sonoma Bennett Valley by Bennett Valley Rd 3 mi S of Santa Rosa Comment
  RSA177898  Lomatium repostum R. F. Thorne 1965-4-20 34355 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  SEINET12121510  Lomatium repostum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -089 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 244 Comment
  SEINET12329227  Lonicera hispidula var. vacillans W. Knight, Knight, I. 1984-1 5114 Sonoma Gualda Point Regional Park Comment
  POM46734  Lonicera involucrata A. A. Heller 1902-6-11 5690 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  CAS-BOT-BC243995  Lonicera involucrata var. ledebourii Mary P. Wells 1982-8-24 s.n. Sonoma Salt Point State Park Comment
  CAS-BOT-BC243996  Lonicera involucrata var. ledebourii H. E. McMinn 1922-6-6 163 Sonoma Along stream in So. Sonoma Co., S. of Occidental Comment
  POM232043  Lotus angustissimus Roxana S. Ferris 1937-8-19 9379 Sonoma 1.5 mi. north of Fort Ross on State Highway 1. Comment
Read comments
Dec 13 2015
  SD113608  Lotus angustissimus Darley F. Howe 1962-7-2 3573 Sonoma 0.9 mile north of junction with #12 on #1. Comment
  UC729989  Lotus heermannii Leo F. Koch 1940-4-20 804 Sonoma 8.8 mi s Stewarts Point (along Highway 1) Comment
  RSA177938  Lotus humistratus Robert F. Thorne 1965-4-20 34336 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  SEINET7096776  Lotus humistratus A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane.Ca 1 mile east of Occidenta. NAD27, 38.4070? deg. , -122.9289?_ (converted to WGS84) UTM Zone 10, 506210mE, 4250769mN. Comment
  UC454673  Lotus oblongifolius var. oblongifolius I. J. Condit 1908-8-14 Sonoma Sebastopol Comment
  SD62044  Lotus pedunculatus Darley F. Howe 1965-8-3 4102 Sonoma 8 miles east of Bodega Bay on Hwy 1 Comment
  CDA31006  Lotus purshianus D. G. Kelch, Troy McGregor 2010-8-22 10 .357 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  UCR275251  Lotus purshianus Peter Rubtzoff 1973-8-29 7288 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente 38 Comment
  SEINET3523773 Image available Lotus purshianus Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-7 15122 Sonoma Roadside, 2 miles N of Kellogg Comment
  UC598643  Lotus purshianus var. purshianus John Bright 1936-5-2 13422 Sonoma near Healdsburg Comment
  UC726035  Lotus purshianus var. purshianus A. A. Heller 1938-8-11 15321 Sonoma Knights Valley Comment
  POM18955  Lotus unifoliolatus A. A. Heller 1902-6-24 5754 Sonoma Near Burkes Sanitarium Comment
  RSA138211  Lotus unifoliolatus Volney Rattan 1877-1 s.n. Sonoma Santa Rosa Comment
  UC1745892  Lotus wrangelianus Annetta M. Carter, Edward Lee 1936-6-21 1199 Sonoma 2.2 mi. inland from Bodega Bay on road to Bodega. Comment
  UC58312  Lotus wrangelianus A. A. Heller 1903-4-25 6597 Sonoma Fort Ross Comment
  RSA31789  Lotus wrangelianus A. A. Heller 1938-5-14 15079 Sonoma Bluff north of Bodega Bay. Comment
  CAS-BOT-BC478122  Ludwigia Peter Rubtzoff 1986-8-31 9731 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  UCD65927  Ludwigia hexapetala B. J. Grewell 2006-11-10 06- 90 -LU Sonoma Russian River at Veteran's Memorial Park, Healdsburg. Collection upstream of dam, east bank at canoe/kayak launch area. 24 Comment
  UCD65934  Ludwigia hexapetala B. J. Grewell 2006-11-10 06- 91 -LU Sonoma Russian River just downstream of seasonal dam, Veteran's Memorial Park, Healdsburg. Access via kayak. 23 Comment
  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
  UCD66026  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 51 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UCD66048  Ludwigia hexapetala B. J. Grewell; Keenan Foster 2005-9-14 05- 18 -LU Sonoma Russian River at Cloverdale Airport. 79 Comment
  CAS-BOT-BC164036  Ludwigia peploides Peter Rubtzoff 1958-8-9 3851 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road) Comment
  CAS-BOT-BC164642  Ludwigia peploides Peter Rubtzoff 1955-9-10 2134 Sonoma East Guernewood, near Guerneville along Russian River. Comment
  CAS-BOT-BC164056  Ludwigia peploides Peter Rubtzoff 1956-9-15 2911 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC164350  Ludwigia peploides Peter Rubtzoff 1964-6-20 s.n. Sonoma Laguna de Santa Rosa, southeast of Sebastopol (near Cooper Road) Comment
  POM83510  Ludwigia peploides subsp. peploides Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan s Mills Comment
  CAS-BOT-BC201287  Lupinus Charles Piper Smith 1947-6-19 47526 Sonoma Mark West Road near Petrified Forest Comment
  SEINET10544021  Lupinus albicaulis subsp. shastensis David B. Dunn, Melvin L. Conrad; Katherine L. Morris 1973-6-9 Dunn 20707 Sonoma 2 miles nw of forestville on hwy 116, douglas fir forest with some oaks Comment
  UCD105999  Lupinus albifrons Collector Unknown Date Unknown s.n. Sonoma southwestern part of county. Comment
  CAS-BOT-BC195982  Lupinus albifrons var. albifrons Charles Piper Smith 1908-4-3 1392 Sonoma Forestville, 3 mi. west along Guerneville road Comment
  CAS-BOT-BC196153  Lupinus albifrons var. douglasii J. W. Congdon 1880-6-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC196464  Lupinus arboreus Greg de Nevers 1992-4-23 10114 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  UCD106637  Lupinus arboreus P. B. Kennedy Date Unknown 1 Sonoma Del Mar. Comment
  RSA105076  Lupinus bicolor subsp. tridentatus Alice Eastwood 1921-4-24 10269 Sonoma Santa Rosa Comment
  CAS-BOT-BC8409  Lupinus bicolor var. tridentatus Alice Eastwood 1921-4-24 10369 Sonoma Santa Rosa Comment
  RSA442341  Lupinus densiflorus var. densiflorus E. A. Purer 1932-7-24 s.n. Sonoma near Bodega bay. Comment
  RSA372144  Lupinus formosus var. formosus David B. Dunn, M. L. Conrad, LeDoux 1973-6-9 20712 Sonoma 5.3 miles east of the junction of Highway 101 and Highway 116 on 116. Comment
  SEINET10450573  Lupinus latifolius Frederick H. Utech, Walter Knight; Irja Knight 1984-4-16 Utech 84 -084 Sonoma Ca 4.0 mi NNW of Sonoma on Cavedale Rd from jct with CA Hwy 12; ca 0.5 mi N on Cavedale Rd from jct. Plants perennial; scattered in dry, open chaparral. 152 Comment
  SEINET10490799  Lupinus latifolius subsp. latifolius Joseph W. Congdon 1880-6-5 Congdon s.n. Sonoma Petaluma. Morphology study voucher. Comment
  UCD55145  Lupinus latifolius var. latifolius Ellen Dean; Tammie Beyerl 2006-4-28 3027 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 191 Comment
  NY15940  Lupinus lutosus A. A. Heller 1940-4-22 15546 Sonoma Alexander Valley. Lower Sonoran Life Zone. Comment
  UC15953  Lupinus microcarpus var. microcarpus Harley P. Chandler 1900-5-25 686 Sonoma Bodega Comment
  SDSU4969  Lupinus microcarpus var. microcarpus D. F. Howe 1966-6-2 4263 Sonoma 0.5 miles south of Bodega Bay. Comment
  UC65701  Lupinus nanus A. A. Heller 1902-4-9 5233 Sonoma Healdsburg Comment
  CAS-BOT-BC320462  Lupinus polycarpus Peter Rubtzoff 1969-5-3 6020 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  SEINET10936836  Lupinus polycarpus Thomas W. Nelson, Jane P. Nelson 1980-5-3 Nelson 5127 Sonoma Santa rosa quad. Along roberts rd ca 100 m past bridge over copeland creek, e Of rhonert park. Vernally wet area beside road. T.6n, r.7w, sec.28. 61 Comment
  SEINET7040132 Image available Lupinus polycarpus A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  SEINET12165051  Lupinus sericatus Unknown 1984-1 RR 40074 Sonoma Kelly Rd just W of its intersection w/ Rockpile Rd 610 Comment
  JEPS116509  Lupinus variicolor Peter Warner 2009-6-2 118 Sonoma Poff Ranch, Wright Hill Road off State Hwy 1, on N-facing slope about 1.5 km ENE of ranch house and barn 276 Comment
  SEINET11091427 Image available Lupinus variicolor Mrs. H. C. Cantelow 1941-6-7 Sonoma 1.6 miles south of Jeuner State Hy I Comment
  UCD109667  Lupinus variicolor Eric Davidson 1972-5-27 391 Sonoma near University of California's Bodega Marine Lab, Bodega Head. Comment
  CAS-BOT-BC436741  Luzula comosa var. comosa John Thomas Howell 1937-6-6 13033 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC166945  Madia Peter Rubtzoff; H. A. Froebe 1971-5-30 6457 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCR25221  Madia capitata John C. Roos 1957-6-28 6617 Sonoma Schellville 23 Comment
  CAS-BOT-BC344030  Madia elegans J. Clausen 1935-5-24 1081 Sonoma 2 mi. W. of Monte Rio on the road to Jenner Comment
  CAS-BOT-BC344050  Madia elegans John Thomas Howell 1930-7-13 5341 Sonoma Black Point Road Comment
  JEPS77886  Madia elegans Edward Lee 1934-4-30 751 Sonoma 1 mi w 2 Rock junction Comment
  RSA81543  Madia elegans subsp. densifolia James I. McMurphy 1909-8-10 716 Sonoma West Santa Rosa Comment
  CAS-BOT-BC344552  Madia exigua Roxana S. Ferris; Laura Lorraine 1961-6-15 13564 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road Comment
  UCD136442  Madia exigua M. Rei Scampavia Evangelista 2012-5-20 12 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  CAS-BOT-BC343450  Madia gracilis Alice Eastwood; John Thomas Howell 1938-5-15 5509 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC343462  Madia gracilis J. Clausen 1935-5-23 1075 Sonoma 0.3 mi. N. of entrance to Petrified Forest Comment
  CAS-BOT-BC343468  Madia gracilis D. E. Breedlove 1983-5-4 58701 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD148434  Madia gracilis Peter Rubtzoff 1962-6-13 4894 Sonoma Freestone Marsh. Comment
  UCD55327  Madia gracilis Ellen Dean 2006-6-28 3171 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  UCD55336  Madia gracilis Ellen Dean 2006-6-28 3180 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. In southeast part of vineyard where a new reservoir is planned 169 Comment
  CAS-BOT-BC345204  Madia sativa John Thomas Howell 1930-6-8 5264 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC345222  Madia sativa David D. Keck 1933-11-6 2647 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  UC517527  Madia sativa John Thomas Howell 1932-9-17 10764 Sonoma near Kenwood Comment
  RSA786498  Madia sativa Peter Rubtzoff 1971-6-30 6582 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 mi west of Arnold Drive. Comment
  UCD165237  Madia sativa Peter Rubtzoff 1974-6-22 7623 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC368076  Maianthemum stellatum Greg de Nevers 1998-4-27 11202 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  UCD139120  Maianthemum stellatum Frederica Bowcutt 1994-5-1 1779 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon S of Sonoma Creek about 150 yards, 1/4 mile northwest of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. Campground. 350 Comment
  CAS-BOT-BC511494  Maianthemum stellatum Mary P. Wells 1985-4-11 468 Sonoma Near house at 230 Pilot's Ranch, The Sea Ranch Comment
  RSA94349  Malus sylvestris Peter Rubtzoff 1951-11-24 851 Sonoma Pitkin Marsh, near Forestville. Dry, open area separating the western branch of the upper marsh from the eastern. Comment
  UCD13100  Marah fabacea M. A. Lefevre 1974-5-11 59 -99 Sonoma SONOMA CO. Bodega Bay - N. Bodega Head - Sand Dunes. Elevation about 30'. Comment
  JEPS42485  Marah oregana W. L. Jepson 1893-5-1 14130 Sonoma e Mark West Springs; Franz Valley Comment
  UC28946  Marah oregana F. T. Bioletti 1894-1 Sonoma near Hood's Peak Comment
  UC855219  Meconella californica Alice Eastwood 1917-5-10 Sonoma on rd Bodega Point Comment
  CAS-BOT-BC269514  Melica californica John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54659 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC281283  Melica geyeri John Thomas Howell; et al. 1982-4-28 54674 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC281285  Melica geyeri Catherine Best 1981-5-2 s.n. Sonoma Bohemian Highway 3.5 miles N of Occidental Comment
  CAS-BOT-BC281286  Melica geyeri J. W. Congdon 1892-3-29 s.n. Sonoma Cazadero Comment
  UCD87356  Melica geyeri R. Tofsrud 1948-5-1 s.n. Sonoma Woods between Kellogg and Alexander Valley. Comment
  UCD87345  Melica geyeri R. Tofsrud 1942-4-1 279 Sonoma Along Mark West road about 3 mi. above the Springs resort. Comment
  UC1132272  Melica harfordii H. S. Yates 1936-5-16 5612 Sonoma 1 mi nw Mountain View School; Sebastopol Quad. 91 Comment
  CAS-BOT-BC262564  Melica torreyana Lewis S. Rose 1965-4-4 65022 Sonoma 1 mi. north of Sonoma 60 Comment
  OBI22007  Melica torreyana Lewis S. Rose 1965-4-4 65022 Sonoma 1 mi N of Sonoma 61 Comment
  RSA184996  Melica torreyana L. S. Rose 1965-4-4 s.n. Sonoma 1 mile north of Sonoma. 61 Comment
  UCD89114  Melica torreyana Gerry North 1993-4 5 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Across road from Goodspeed trailhead pullout. On bank edge above Sonoma Creek. 213 Comment
  UCD89210  Melica torreyana L. Whitney 1935-4-14 s.n. Sonoma Near Occidental. Comment
  SEINET10599670  Melica torreyana A. Arthur Heller 1902-3-27 Heller 5160 Sonoma Western base of Mt. Hood. Comment
  HSC15018  Melilotus indicus S. N. Wiemeyer 1962-4-20 30 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UCD108097  Melilotus indicus M. Wiesendanger 1927-5-5 717 Sonoma location unknown. Comment
  UCR19128  Melissa officinalis John C. Roos 1948-4-28 3958 Sonoma North Coast Ranges, Healdsburg, Mill Creek - Barrell Spring Comment
  CAS-BOT-BC164362  Mentha Peter Rubtzoff 1958-9-27 4011 Sonoma Laguna de Santa Rosa, northeast of Graton (1.5 mi. N of Guerneville Road). Comment
  CAS-BOT-BC166970  Mentha Peter Rubtzoff 1962-10-9 s.n. Sonoma Brooks Gulch Marsh. Comment
  UCD148382  Mentha Peter Rubtzoff 1955-8-28 2113 Sonoma Guerneville region. Vacation Beach, near Guerneville; Russian River. Comment
  SEINET12330323  Mentha pulegium W. Knight, Knight, I. 1984-1 5429 Sonoma Willow Creek Road 61 Comment
  SEINET7952677  Mentha pulegium G. R. Hall 1906-10-14 s.n. Sonoma Guerneville. Comment
  UC187861  Mentha pulegium Edw. L. Greene 1888-8-30 Sonoma above S. Rosa <Santa Rosa?> (<Santa Rosa?>); above S. Rosa <Santa Rosa?> Comment
  RSA784551  Mentha spicata Peter Rubtzoff 1968-8-24 5932 Sonoma Upper Salmon Creek Marsh. Comment
  UCD148320  Mentha spicata Peter Rubtzoff 1953-11-1 1449 Sonoma Guerneville Marsh. Comment
  UCD148381  Mentha spicata Peter Rubtzoff 1955-8-28 2114 Sonoma Vacation Beach, near Guerneville. Comment
  UCD165333  Mentha suaveolens Peter Rubtzoff 1973-8-27 7266 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-BC428464  Micranthes aprica Milo S. Baker 1928-3-1 2737 C Sonoma Golf Club Links Comment
  CAS-BOT-BC322609  Micropus amphibolus Herbert L. Mason 1934-4-28 8081 Sonoma Jensen's Ranch, head of Dohrman Creek four miles west of Healdsburg Comment
  UC581111  Micropus amphibolus H. L. Mason 1934-4-28 8084 Sonoma Jensen's Ranch Dohrman Creek Comment
  UCD151001  Micropus californicus D. S. Park; S. Nicole 2010-5-11 81 Sonoma California Route 1, near Bodega Bay. Comment
  CAS-BOT-BC348632  Micropus californicus var. californicus L. R. Abrams 1918-4-27 6902 Sonoma Independence School near Healdsburg Comment
  CAS-BOT-BC348687  Microseris acuminata Alice Eastwood 1921-4-24 10393 Sonoma Santa Rosa Comment
  CAS-BOT-BC349106  Microseris douglasii subsp. tenella Alice Eastwood 1921-5-8 10446 Sonoma Petaluma Comment
  SEINET11806900  Microseris linearifolia F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -173 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  CHSC34598  Microsteris gracilis Jeffrey D. Prouty 1979-4-11 220 Sonoma Ca. 7 mi n of Santa Rosa.Ca. 100 yds w of Mark West Springs Rd., ca. 300 yds n of jctn. with Michelle Way. 164 Comment
  CAS-BOT-BC312699  Mimulus Peter Rubtzoff 1960-6-9 4486 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC312701  Mimulus Peter Rubtzoff 1964-8-26 5476 Sonoma Marsh 5 miles northeast of Penngrove on Lichan Road. 213 Comment
  CAS-BOT-BC320514  Mimulus Peter Rubtzoff 1957-5-11 3336 Sonoma Occidental Marsh. Comment
  RSA0025389  Mimulus Peter Rubtzoff 1957-5-11 3336 Sonoma Occidental Marsh. Comment
  JEPS76921  Mimulus aurantiacus Robert M. Lloyd 1963-2-24 2057 Sonoma 4 mi s State Highway 12 (above State Highway 1) 15 Comment
  UCR222566  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2010-6-4 16235 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 9.8 rd. miles east of its junction with US-101, 4.5 air miles SW (250 deg. ) of Calistoga 280 Comment
  SEINET10614150  Mimulus aurantiacus Jon Ricketson, Deanna Vanderbur 1985-7-3 Ricketson 2618 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
  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
  OBI39526  Mimulus aurantiacus var. aurantiacus F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-16 84 -076 Sonoma Ca. 4.0 mi NNW of Sonoma on Cavedale Rd from jctn with CA hwy 12; ca 0.4 mi N on Cavedale rd from jctn 107 Comment
  UC26898  Mimulus cardinalis Alice Bolton 1888-8-29 Sonoma below Guerneville; Russian River Comment
  RSA535758  Mimulus douglasii David M. Thompson 1989-4-4 995 Sonoma 1.1 mi N of Porter Creek Road along Franz Valley Road. 30 ft S of (and opposite) 900 Franz Valley Road residence gate. 305 Comment
  RSA535826  Mimulus douglasii David M. Thompson 1988-4-2 864 Sonoma 1.1 mi N of Porter Creek Road along Franz Valley Road. 30 ft S of (and opposite) 900 Franz Valley Road residence gate. 305 Comment
  SBBG84751  Mimulus guttatus F. W. Pennell, H. L. Mason 1940-5-21 25483 Sonoma Kellogg, St Hwy 28 213 Comment
  UCR248878  Mimulus guttatus Peter Rubtzoff 1962-6-19 4918 Sonoma Occidental Marsh 305 Comment
  UCR248896  Mimulus guttatus Peter Rubtzoff 1954-6-20 1513 Sonoma Guerneville Marsh Comment
  UCR265243  Mimulus guttatus Ann Howald 2015-4-28 3376 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, c. 11.7 miles west of intersection with Rockpile Rd, Warm Springs drainage 431 Comment
  POM5061  Mimulus guttatus A. A. Heller, H. E. Brown 1902-4-23 5349 Sonoma Near Sonoma. Comment
  JEPS19393  Mimulus inodorus G. Thomas Robbins 1937-6-5 226 Sonoma 10 mi w Santa Rosa (Pitkin Ranch); Vine Hill region Comment
  UC1051635  Mimulus inodorus Peter Kamb 1950-6-16 1864 Sonoma 1 mi n Sousa Corners (nw of Sebastopol); Pitkin Marsh Comment
  UC625484  Mimulus kelloggii Frank W. Gould 1938-4-3 124 Sonoma w Calistoga (1 1/2 mi w of Petrified Forest) 274 Comment
  UC444796  Mimulus kelloggii H. P. Chandler 1907-4-27 7546 1/2 Sonoma St. Helena to Santa Rosa (via Spring Mt.) Comment
  UC1348905  Mimulus microphyllus Robert F. Thorne 1965-4-19 34286 Sonoma 2 mi ne Occidental (near county dump on Stoetz Road, off of Harrison Grade) 182 Comment
  UC124362  Mimulus pilosus T. S. Brandegee July 1887 Sonoma Healdsburg Comment
  UCD39138  Mimulus pilosus Beecher Crampton 1964-8-18 7145 Sonoma N.E. Sonoma County: 'The Geysers', Big Sulphur Creek. Comment
  CAS-BOT-BC174582  Minuartia californica A. A. Heller; H. E. Brown 1902-3-14 5067 Sonoma Near Windsor Comment
  POM151738  Minuartia californica A. A. Heller, H. E. Brown 1902-2-14 5067 Sonoma Near Windsor. Comment
  JEPS18124  Minuartia douglasii Rimo Bacigalupi with G. T. Robbins and F. Hoffmann May 1956 5674 Sonoma The Butcher Knife (R12W) Big Austin Creek (at base, along secondary road following creek) 182 Comment
  RSA143961  Minuartia douglasii Roxana S. Ferris, Laura Lorraine 1961-6-14 13522 Sonoma Junction of Bittner Rd. with Joy Rd. between Occidental and Bodega. Comment
  CAS-BOT-BC220388  Monardella purpurea R. F. Hoover 1965-6-29 9474 Sonoma North of summit on Harrison Grade road near Occidental Comment
  CAS-BOT-BC314202  Monardella villosa L. R. Abrams 1916-7-4 5790 Sonoma Road between Petrified Forest and Mark West. Comment
  JEPS86348  Monardella villosa Jack and Betty Guggolz 1988-5-8 927 Sonoma 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
  LA62455  Monardella villosa Merle Randall; 1930-6-13 sn Sonoma Alamere Creek Comment
  CAS-BOT-BC314159  Monardella villosa subsp. subserrata Lewis S. Rose 1965-7-3 65081 Sonoma 2 mi. N of Sonoma. 274 Comment
  CAS-BOT-BC314163  Monardella villosa subsp. villosa John Thomas Howell 1930-6-8 5283 Sonoma Rocky slope overlooking the ocean, 8.5 miles N of Bodega Bay. Comment
  CHSC68008  Monardella villosa subsp. villosa James Jokerst 1985-5-29 2387 Sonoma Near Cobb Mountain. 1126 Comment
  JEPS87249  Monardella villosa subsp. villosa Jack and Betty Guggolz 1991-6-10 1181 Sonoma On south side of Buzzard peak. 323 Comment
  UCR19093  Monardella villosa subsp. villosa John C. Roos 1950-7-22 4868 Sonoma North Coast, Jenner, slopes above sea bluffs 61 Comment
  UC292737  Monardella villosa subsp. villosa Geo. W. Dunn June, 1890 Sonoma Comment
  UCLA62411  Monardella villosa subsp. villosa unknown 1841-1-1 Sonoma Bodega Comment
  UCD165123  Montia Peter Rubtzoff 1974-4-17 7371 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC444992  Montia fontana G. DeNevers 1981-4-1 659 Sonoma Pepperwood Ranch. 30 m S of Aluminum Pepperwood Gate. Comment
  UC1199520  Myosotis discolor Reino Alava 1955-5-24 2044 Sonoma Pitkin Marsh n.w. of Sebastopol; Pitkin Marsh Comment
  UC903210  Myosotis discolor Ethel Crum 1940-5-26 2114 Sonoma Pitkin Marsh near Vine Hill; North Coast Ranges, Pitkin Marsh Comment
  SEINET12332729  Myosotis discolor W. Knight, Knight, I. 1985-1 6327 Sonoma Cooper's Grove, Sonoma Mt. Rd near Matanzas Creek Comment
  CAS-BOT-BC257695  Myosurus Peter Rubtzoff 1970-5-30 6238 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC257703  Myosurus Peter Rubtzoff 1966-5-7 5703 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC257705  Myosurus Peter Rubtzoff 1966-4-17 5681 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  RSA800350  Myosurus Peter Rubtzoff 1966-4-17 5681 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC101792  Myrica californica Peter Rubtzoff 1962-4-11 4788 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road) Comment
  UC1135955  Myrica californica H. S. Yates 1934-4-21 3815 Sonoma near Guerneville; Duncan Mills Quad. Comment
  UCD166107  Myriophyllum Peter Rubtzoff 1971-9-3 6702 Sonoma Spring Creek Reservoir area. Comment
  RSA800895  Myriophyllum hippuroides Peter Rubtzoff 1954-8-12 1699 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC456197  Najas guadalupensis Greg de Nevers 1992-7-21 10222 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Yellowjacket Lake. 304 Comment
  CAS-BOT-BC260070  Nassella lepida Peter Rubtzoff 1952-6-3 1149 Sonoma S slopes of Fitch Mountain, near Healdsburg Comment
  CAS-BOT-BC260279  Nassella pulchra Barrett Anderson 1987-4-27 3465 Sonoma Petaluma, S of El Rose and W of D Street 120 Comment
  CAS-BOT-BC260284  Nassella pulchra Beecher Crampton 1957-5-16 4041 Sonoma Raliroad cut through low hill, US Highway 101, 3 miles S of Healdsburg Comment
  CAS-BOT-BC60519  Nasturtium officinale Peter Rubtzoff 1955-8-20 2087 Sonoma Bodega Harbor Marsh. Comment
  UCR265236  Nasturtium officinale Ann Howald 2015-4-28 3377 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, Las Lomas, c. 12.9 miles west of intersection with Rockpile Rd, Wild Cattle Creek drainage 585 Comment
  UCR261637  Navarretia cotulifolia Ann Howald 2003-5-15 2334 A Sonoma Inner North Coast Ranges, Sonoma Mountains, south end, lower east slope, c. 0.2 mile southeast of intersection of Lewis Creek and Felder Creek 151 Comment
  UC188486  Navarretia heterodoxa Edw. L. Greene 1888-8-31 Sonoma Petrified Forest Comment
  SD7675  Navarretia heterodoxa M. Bioletti 1891-1 Sonoma Hords Peak Comment
  UC101995  Navarretia intertexta Katharine Brandegee Jun 1905 Sonoma between Santa Rosa and Sebastopol Comment
  UCD48410  Navarretia intertexta Calvin McMillan Date Unknown 597 Sonoma Sonoma County, Trinity Road, 6 miles northeast Glen Ellen. Comment
  POM279099  Navarretia jepsonii Lyman Benson 1930-6-18 s.n. Sonoma South of Santa Rosa. 61 Comment
  UCR224692  Navarretia leucocephala subsp. bakeri Ayzik Solomeshch 2009-5-12 s.n Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  JEPS70380  Navarretia leucocephala subsp. plieantha Joseph Andorfer Ewan 1935-5-13 9265 Sonoma near Wright School (Sebastopol road) Comment
  JEPS101636  Navarretia mellita Dean W. Taylor 1998-6-22 16681 Sonoma Geysers area, ca. 0.3 miles east along ridge from Eagle Rock Substation (ridge dividing Bear Canyon from Squaw Cr.) 792 Comment
  CAS-BOT-BC233610  Navarretia pubescens Milo S. Baker 1925-6-28 149 a Sonoma Maple Glen near Kenwood Comment
  SEINET196703  Navarretia pubescens Herbert L. Mason 1940-5-21 12294 Sonoma Head of Mayacama Creek in Knights Valley. Comment
  UC631638  Navarretia squarrosa G. Thomas Robbins 1939-7-4 272 Sonoma near Graton Comment
  UC101996  Navarretia tagetina Katharine Brandegee Jun 1905 Sonoma between Santa Rosa and Sebastopol Comment
  UC1541554  Navarretia tagetina H. E. and S. T. Parks 1930-5-10 847 Sonoma Knights Valley 152 Comment
  SEINET3558074 Image available Nemophila atomaria Lewis S. Rose 1933-5-9 33160 Sonoma Bodega Bay. Comment
  UC494180  Nemophila heterophylla H. E. and S. T. Parks 1930-5-9 611 Sonoma Knights Valley Comment
  UCR265121  Nemophila heterophylla Ann Howald 2015-4-1 3326 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  JEPS3139  Nemophila heterophylla E. Ferguson 1920-4 356 Sonoma Mt. St. Helena Comment
  HSC49363  Nemophila menziesii R. York 1979-4-8 201 Sonoma Along Hwy. 128 305 Comment
  RSA51317  Nemophila menziesii var. menziesii Peter H. Raven 1950-4-6 1571 Sonoma Cotati to Santa Rosa. 30 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
  SEINET9309775  Nemophila parviflora John Nelson, Wnek, Richard 2000-3-7 20937 Sonoma Sonoma Co., CA Comment
  UC65022  Nemophila parviflora M. L. Baker 1898-4-3 15 Sonoma betw Guerneville and Cazadero; betw Guerneville and Cazadero Comment
  CAS-BOT-BC164404  Nicotiana Peter Rubtzoff 1965-8-29 5631 Sonoma Russian River bottom at Forest Hills, 5.5 miles East of Guerneville Comment
  UCD164977  Nicotiana acuminata var. multiflora Peter Rubtzoff 1974-8-3 7793 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  SD133974  Nicotiana quadrivalvis Barbara Ertter 1988-11-5 8030 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge 152 Comment
  CDA38495  Oenanthe sarmentosa T. C. Fuller 1958-1-29 104 -58 Sonoma Triangle G Ranch, Sonoma Mtn., Petaluma. 0 Comment
  SEINET12327554  Olea europaea W. Knight, Knight, I. 1984-1 5055 Sonoma Santa Rosa, Rincon Ridge, along Alta Vista Lane Comment
  CHSC114375  Onopordum illyricum Andrew Smith 2011-12-21 PDR 1604230 Sonoma Santa Rosa; Pepperwood Preserve; 3450 Franz Valley Rdl, near Mark West Springs Rd. Comment
  POM15635  Orthocarpus faucibarbatus A. A. Heller 1903-4-23 6607 Sonoma Fort Ross. Comment
  RSA177981  Orthocarpus faucibarbatus Robert F. Thorne 1965-4-19 34308 Sonoma Guerneville Hwy, 1 mile E of Laguna Road; ca 4 miles W of Santa Rosa. 46 Comment
  RSA239768  Orthocarpus faucibarbatus var. albidus Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1102 Sonoma Fort Ross State Park. Comment
  POM15378  Orthocarpus lithospermoides M. S. Baker 1898-5-7 599 Sonoma Glen Ellen Comment
  UC21179  Osmorhiza berteroi F. T. Bioletti 1892-3-13 Sonoma Comment
  UCD127445  Osmorhiza berteroi Botany 102 students 1993-4-24 83 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 NW of Napa. Along Hillside Trail. 426 Comment
  UCD110782  Oxalis corniculata Collector unknown Date unknown s.n. Sonoma Sonoma County. Comment
  SEINET9323534  Oxalis oregana John Nelson, Wnek, R. 2000-3-7 20947 Sonoma Sonoma County Comment
  UC917114  Oxalis oregana R. H. Miller 1949-4-6 21 Sonoma ca 5 mi se Monte Rio (beside Hwy 12) Comment
  UCR3592  Oxalis oregana Carolyn McNeill 1969-5-25 s.n. Sonoma Sebastopol, 0.75 mi. east of Coffee Lane 107 Comment
  OBI11858  Oxalis oregana Ann C. Litkins 1970-5-16 128 Sonoma Starret Hill Dr, 1 mi W of monte Rio, near Russian River 30 Comment
  SEINET10936147  Oxalis oregana R. D. Sage 1992-1-10 Sage 13412 -1 Sonoma Collected along joy rd between bodega hwy and bittner rd, ca 2-6 km sw occidental. Comment
  UCSB7444  Oxalis oregana Keator, Glenn 1959-4-1 Sonoma 1 mile southeast of city limits of Camp Meeker Comment
  UCD110992  Oxalis pilosa K. Esau 1932-5-2 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC316882  Packera eurycephala var. eurycephala Brandegee s.n. Sonoma unspecified Comment
  UCD161862  Panicum acuminatum var. fasciculatum James A. Neilson Jr. 1978-7-15 3970 Sonoma Mayacmas Mountains. Socrates Mine Headquarters. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCD89123  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 a. Sonoma Northeast Sonoma County: 'The Geysers'. Comment
  UCD89140  Panicum acuminatum var. thermale Rick York; S. de Becker, L. Wickenheiser, J. O'Hagan 1990-7-24 90 001 Sonoma The Little Geysers, south of Little Geysers Creek. Comment
  SBBG115658  Panicum thermale B. Crampton 1964-8-18 7139 c Sonoma The Geysers, above Geyser Crk, ca. 12 mi (in direct line) E of Cloverdale, ca. 0.5 mi E of Geyser Resort area, slope of steam thermal no 10 (Thermal Power Co.) 493 Comment
  SBBG115659  Panicum thermale B. Crampton 1964-8-18 7139 e Sonoma The Geysers, above Geyser Crk, ca. 12 mi (in direct line) E of Cloverdale, ca. 0.5 mi E of Geyser Resort area, slope of steam thermal no 10 (Thermal Power Co.) 493 Comment
  UCD18203  Parentucellia latifolia Joe Ditomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab, near entrance to research housing facility. Comment
  SEINET12332452  Parentucellia viscosa F. H. Utech 1988-1 88 -188 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 Comment
  CAS-BOT-BC154989  Paspalum Peter Rubtzoff 1973-10-10 7342 Sonoma Tributary of Americano Creek, 2 mi. W of Bloomfield Comment
  SEINET10717816  Paspalum P. Rubtzoff 1971-8-31 Rubtzoff 6662 Sonoma Todd Road, near Stony Point Road. Comment
  CAS-BOT-BC259690  Paspalum dilatatum Richard W. Pohl 1963-6-1 9436 Sonoma Geyser Summit Comment
  CAS-BOT-BC265693  Paspalum distichum Peter Rubtzoff 1958-7-26 3809 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC265695  Paspalum distichum Peter Rubtzoff 1956-9-15 2900 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC265696  Paspalum distichum Peter Rubtzoff 1958-9-20 3989 Sonoma Laguna de Santa Rosa north of Sepastopol, near Occidental Road Comment
  HSC100871  Paspalum distichum Peter Warner 2011-8-18 233 Sonoma Pitkin Marsh, ~1.5 mi. SE of Forestville, lower marsh, in channel, ~50 m S of N edge of parcel. 42 Comment
  CAS-BOT-BC202871  Paxistima myrsinites H. L. Mason 1934-4-28 8079 Sonoma Dohrman Creek at head of Jenson's Ranch Comment
  HSC20925  Pedicularis densiflora James Faro 1962-4-14 19 Sonoma 5 mi. N of Guerneville on Old Cazadero Rd. Comment
  HSC24667  Pedicularis densiflora F. Demostene 1966-4-1 5 Sonoma 2 mi. E of Healdsburg Comment
  SEINET10732556  Peniocereus greggii var. transmontanus George Thurber 1851-1 Sonoma Comment
  CDA14391  Pennisetum clandestinum L. Correia 1996-4-15 Sonoma from vacant lot in San Francisco to be planted at Thornton Ranch, 19600 Brookline, Sonoma. 0 Comment
  JEPS128377  Pentagramma triangularis subsp. triangularis Roger Raiche 2000-4-23 044 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1193125  Pentagramma triangularis subsp. triangularis P. Zinke 1950-4-25 114 Sonoma Oat Valley; Quadrangle 61A4 182 Comment
  UC1329520  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-9-16 5883 Sonoma Upper Marsh Pitkin Marsh (southern part, near Forestville) Comment
  CAS-BOT-BC413636  Persicaria amphibia John Thomas Howell 1932-9-18 10769 Sonoma Bed of slough draining Kenwood Marsh Comment
  CAS-BOT-BC413655  Persicaria amphibia Peter Rubtzoff 1966-10-9 5833 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC413661  Persicaria amphibia Peter Rubtzoff 1966-10-9 5834 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Rd. Comment
  CAS-BOT-BC413667  Persicaria amphibia Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5845 Sonoma Llano Road near sewage disposal plant at Laguna de Santa Rosa Comment
  CAS-BOT-BC418903  Persicaria hydropiperoides Peter Rubtzoff 1954-8-10 1675 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC418905  Persicaria hydropiperoides Peter Rubtzoff 1960-9-14 4526 Sonoma Laguna de Santa Rosa east of Graton (betw. Occidental and Guerneville roads) Comment
  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-BC418912  Persicaria hydropiperoides Peter Rubtzoff 1960-9-14 4540 Sonoma Laguna de Santa Rosa east of Graton (betw. Occidental and Guerneville roads) Comment
  CAS-BOT-BC419119  Persicaria lapathifolia Peter Rubtzoff 1955-9-10 2138 Sonoma East Guernewood, near Guerneville Comment
  CAS-BOT-BC419269  Persicaria maculosa Peter Rubtzoff 1954-7-27 1580 Sonoma Guerneville Marsh Comment
  UCD60448  Persicaria pensylvanica Brenda Grewell; Gene Cooley 2007-8-23 s.n. Sonoma Sebastopol, access from Cooper Road, west of the confluence of the Laguna de Santa Rosa with Gravenstein Creek on the DFG Laguna Wildlife Area's Lago Marsino parcel. Comment
  CAS-BOT-BC419423  Persicaria punctata Peter Rubtzoff 1966-9-25 5824 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC419426  Persicaria punctata Peter Rubtzoff 1958-8-31 3949 Sonoma Atascadero Creek Marsh Comment
  UCD148419  Petasites frigidus var. palmatus Peter Rubtzoff 1960-6-10 4495 Sonoma Fife Creek Marsh. Comment
  UC1481984  Petrorhagia nanteuilii R. K. Rabeler 1980-8-8 507 Sonoma 0.4 km (0.25 mi) nw around corner from Bearpen Creek Bridge (along trail to Big Austin Creek, along n side of King Ridge Rd., 7 km n of jct w/Cazadero Hwy, Cazadero 17.8 km n CA 116); along trail to Big Austin Creek Comment
  UC1333289  Phacelia californica Malcolm L. Byce 1936-3-21 147 Sonoma 1 1/2 mi e Bodega Bay; Larkspur Rock Comment
  UC702992  Phacelia californica John Thomas Howell 1930-7-27 5403 Sonoma 1 mi n Fort Ross Comment
  JEPS128245  Phacelia corymbosa Roger Raiche 2000-3-30 056 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS22726  Phacelia distans Rimo Bacigalupi 1958-5-24 6364 Sonoma n slope just below Camp Meeker; Dutch Bill Creek Canyon, Alder Canyon 97 Comment
  UC1069266  Phacelia distans H. S. Yates 1934-4-21 3799 Sonoma near Bodega; Sebastopol Quadrangle Comment
  UC726930  Phacelia distans A. A. Heller 1941-5-17 16137 Sonoma along roadside Knight's Valley Comment
  CAS-BOT-BC133859  Phacelia distans Doris K. Kildale 1928-4-1 4398 Sonoma Top of grade just north of Cloverdale on Redwood Highway Comment
  RSA26565  Phacelia distans J. T. Howell 1929-6-9 4306 Sonoma Near Petrified Forest. Comment
  OBI39524  Phacelia imbricata F. H. Utech, Walter and Ira Knight, Ira Knight 1984-4-16 84 -082 Sonoma Ca 4.0 mi NNW of Sonoma on Cavedale Rd from jctn with CA hwy 12; ca 0.5 mi N on Cavedale rd from jctn 152 Comment
  SBBG39553  Phacelia imbricata J. T. Howell 1929-6-9 4305 Sonoma 6.5 miiles from Santa Rosa on rd to Petrified Forest Comment
  UC444442  Phacelia suaveolens E. L. Greene Aug. 1888 Sonoma Petrified Forest; ; Petrified Forest, Sonoma Co. Comment
  UC1132415  Phalaris angusta H. S. Yates 1936-5-16 5617 Sonoma near Green Valley School; Sebastopol Quad. Comment
  UCR244624  Phalaris angusta Peter Rubtzoff 1972-6-23 6785 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC258952  Phalaris aquatica Peter Rubtzoff 1959-6-13 4137 Sonoma Sonoma County Marshes. Willow Creek Marsh Comment
  UC1011004  Phalaris paradoxa Virginia Bufford 1936-5-20 341 Sonoma Kellogg Mark West Rd 3 mi from Mark West; 3 mi from Mark West Comment
  CAS-BOT-BC260877  Phleum pratense Peter Rubtzoff 1951-7-7 382 Sonoma Eastern branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  UC23592  Phlox gracilis Alice King Apr 1897 Sonoma Healdsburg Comment
  UCD102210  Phoradendron leucarpum subsp. tomentosum Frederica Bowcutt 1997-7-20 2203 Sonoma Sugarloaf Ridge State Park. About 50 air miles NE of Kenwood, 1.5 air miles ENE of Mt. Hood, 1 air mile NW of Bald Mtn. Bear Crk. Ranch in headwaters of the Bear Crk. 609 Comment
  UCD102227  Phoradendron leucarpum subsp. tomentosum G. F. Hrusa; T. D. Wilfred 1995-12-3 12481 Sonoma Foote Ranch Property at NW base of Mt. St. Helena. Approx. 1/2 distance to summit along Ida Clayton Rd. 300 Comment
  UC6100  Phoradendron villosum F. T. Bioletti 1891-12-25 Sonoma Sonoma Comment
  RSA227242  Phyla nodiflora Peter Rubtzoff 1958-7-26 3806 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCR255658  Physalis Greg de Nevers 1997-11-1 11105 Sonoma Santa Rosa, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 400 Comment
  CAS-BOT-BC140493  Physocarpus J. W. Congdon 1892-5-30 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC140622  Physocarpus capitatus Peter Rubtzoff 1953-5-16 1355 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  UC1128130  Physocarpus capitatus E. Armstrong 1934-3-26 921 Sonoma Camp Meeker; Sebastopol Quadrangle 91 Comment
  CDA20075  Phytolacca americana R. Gross 2002-10-26 s.n. Sonoma Northwestern California; Hwy 128 at Foss Hill Rd. 0 Comment
  CAS-BOT-BC202279  Pickeringia montana var. montana James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  CAS-BOT-BC202284  Pickeringia montana var. montana Walter Knight; Irja Knight 1963-9-15 289 Sonoma Los Alamos Rd, Santa Rosa Comment
  CAS-BOT-BC176158  Picris echioides Peter Rubtzoff 1955-8-14 2050 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC164684  Pilularia Peter Rubtzoff; Nancy Harrison 1974-5-26 7479 Sonoma Vernal pool on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  CAS-BOT-BC78331  Pinus attenuata Peter H. Raven 1954-2-27 6430 Sonoma on north side of Hooker Creek, Hoods Peak Range 609 Comment
  UCD134386  Pinus attenuata J. M. Tucker; C. H. Lamoureux 1958-6-8 3405 Sonoma 1.8 miles east of junction of Trinity Road and State Highway 12, beside the former. Comment
  NY49679  Pinus contorta var. contorta S. Flowers 1988-2-5 s.n. Sonoma Sonoma Road marker, Highway 1, 52.32 mile at Pebble Beach Access trail, across Sea Ranch. Tree located 20 ft. west of Highway 1 and 12 ft. north off parking entrance Comment
  CAS-BOT-BC72879  Pinus muricata Mary P. Wells 1985-10-4 666 Sonoma Southeast edge of somewhat - pygmy part of Travelers Insurance Timber Preserve, the Sea Ranch. Comment
  UC1505975  Pinus muricata Daniel I. Axelrod 1983-7-7 E 3 Sonoma Vicinity of Salt Point; along State Hwy 1 76 Comment
  SEINET3874232 Image available Pinus muricata Ralph R. Wilson 1939-7-25 439 Sonoma North of Ft. Ross.; 0 15 Comment
  UC1044488  Pityopus californicus Mary L. Bowerman 1954-6-27 4334 Sonoma old mill site ca 3 mi e Fort Ross Comment
  CAS-BOT-BC166943  Plagiobothrys Peter Rubtzoff 1969-5-3 6017 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC166946  Plagiobothrys Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC176189  Plagiobothrys Peter Rubtzoff 1969-6-15 6095 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UC1229794  Plagiobothrys bracteatus Robert Ornduff 1960-4-21 6073 Sonoma in midst of housing development on both sides Hayes St. (s of Sonoma Elementary School, w edge of Sonoma); Sonoma Comment
  UCR105441  Plagiobothrys bracteatus Peter Rubtzoff 1963-6-6 5169 Sonoma Laguna de Santa Rosa, east of Graton Comment
  UCR105442  Plagiobothrys bracteatus Peter Rubtzoff 1959-4-18 4028 Sonoma Laguna de Santa Rosa, NE of Graton, c. 0.5 mi north of Guerneville Rd. crossing 21 Comment
  UCR280136  Plagiobothrys bracteatus Peter Rubtzoff 1971-5-8 6443 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive 137 Comment
  RSA128370  Plagiobothrys bracteatus P. H. Raven 1950-4-6 1570 Sonoma Cotati to Santa Rosa. 30 Comment
  UCR118791  Plagiobothrys greenei Beecher Crampton 1955-4-5 2413 Sonoma Santa Rosa Area, 2 miles southwest of Windsor 91 Comment
  JEPS60987  Plagiobothrys reticulatus var. reticulatus K. Brandegee June 1905 Sonoma Bodega Bay Comment
  UC1057462  Plagiobothrys stipitatus G. Thomas Robbins 1937-5-23 185 Sonoma near Wright School (along road between Santa Rosa and Sebastopol) Comment
  RSA0083877  Plagiobothrys stipitatus var. micranthus Peter Rubtzoff 1970-5-16 6230 Sonoma 5 miles north of Sears Point Comment
  UC353903  Plagiobothrys stipitatus var. micranthus Milo S. Baker 1927-5-8 2141 a Sonoma summit of Bennett Valley Road Comment
  RSA783722  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6096 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  RSA783849  Plagiobothrys undulatus Peter Rubtzoff 1972-5-25 6771 Sonoma Laguna, Chileno Valley. Comment
  UCD124455  Plantago erecta Jennifer Bury; Peggy Herzog 1993-5-8 263 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 381 Comment
  UCR143594  Plantago erecta G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  UCD124577  Plantago lanceolata Chris Bowen 1974-5-19 128 Sonoma West of Whalers' Reach, Unit 7 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  UCR280190  Plantago subnuda Peter Rubtzoff 1958-8-23 3907 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  CHSC60118  Platystemon californicus E. L. Knight 1988-4-1 5 Sonoma Ca 0.25 m ene of southernmost point of Bodega Head and 100 ft n of Pacific Ocean. 15 Comment
  UC118431  Platystemon californicus Katharine Brandegee 1905-6-25 Sonoma Bodega Head; Cliffs of Bodega Head Comment
  UC855269  Platystemon californicus Alice Eastwood 1921-4-24 10342 Sonoma Santa Rosa Comment
  SD88312  Plectritis ciliosa Darley F. Howe 1972-5-3 Sonoma Ocean bluff 2.5 miles north of Jenner Comment
  RSA796394  Pleuropogon Peter Rubtzoff, John Thomas Howell 1966-4-30 5686 Sonoma North side of Highway 116, 0.5 mile northwest of Stony Point Road crossing. Comment
  UCD150838  Pleuropogon californicus 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
  RSA0057956  Pleuropogon californicus Greg de Nevers 1998-4-28 11207 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge. Comment
  CAS-BOT-BC260969  Pleuropogon californicus var. californicus K. Wagnon 1939-5-11 191 Sonoma In sink east of Santa Rosa Fair Grounds Comment
  RSA337035  Pleuropogon californicus var. californicus Paul But, Raymond Auyeung 1975-5-17 P 40 Sonoma On Llano Road, 1/4 mile from Highway 12, 2 miles northeast of Sebastopol. Comment
  UCD90211  Pleuropogon californicus var. californicus Beecher Crampton 1955-4-5 2403 Sonoma 1.3 miles west of Fulton, along Woolsey Road. Comment
  UCSB63833  Pleuropogon davyi James D. Jokerst 1993-5-13 3979 Sonoma collected the Sonoma Air Center Sonoma Air Center Comment
  UCD92180  Poa Beecher Crampton 1957-7-11 4294 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  CAS-BOT-BC255599  Poa annua Peter Rubtzoff 1960-5-22 4401 Sonoma Laguna de Santa Rosa area E of Graton, between Occidental and Guerneville roads Comment
  CAS-BOT-BC255611  Poa annua David L. Morgan 1956-4-5 s.n. Sonoma On Gold Ridge Road, near junction of Burnside Comment
  SEINET215169 Image available Poa bolanderi subsp. howellii J. M. Tucker 1971-5-29 4193 Sonoma Ca. 3 mi. by road SW of it jcn. w/ State hwy 29 near Middletown; Western Mine Rd. 762 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
  HSC10670  Poa compressa J. V. Lenz 1947-4-19 Sonoma Santa Rosa. Comment
  CAS-BOT-BC254553  Poa douglasii John Thomas Howell 1931-4-18 6424 Sonoma Mouth of Salmon Creek, 2 miles N of Bay Comment
  UCD91046  Poa douglasii P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UC1132643  Poa howellii H. S. Yates 1936-5-16 5608 Sonoma 1 mi nw Mountain View School; Sebastopol Quadrangle Comment
  CAS-BOT-BC256024  Poa pratensis Rimo Bacigalupi 1926-5-2 1406 Sonoma Cazadero Comment
  CAS-BOT-BC256039  Poa pratensis Peter Rubtzoff 1957-5-4 3303 Sonoma Duncans Mills Marsh Comment
  UCR248953  Poa pratensis Peter Rubtzoff 1976-6-18 8650 Sonoma Kenwood Marsh 120 Comment
  SEINET11688534  Poa secunda C. F. Quibell 1980-1 1427 Sonoma Geysers Geothermal area, floristic survey for P.G & E (Vic. unit 18) Comment
  UCD15864  Poa secunda Gerry North 1993-3 34 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. At lower camping area. 50m East of foot bridge. 365 Comment
  CAS-BOT-BC243253  Poa secunda subsp. secunda G. DeNevers 1981-5-9 1105 Sonoma Pepperwood Ranch. S of Redwood Canyon Comment
  CAS-BOT-BC243255  Poa secunda subsp. secunda G. DeNevers 1981-4-4 622 Sonoma Pepperwood Ranch. By the Studio Comment
  CAS-BOT-BC243256  Poa secunda subsp. secunda G. DeNevers 1982-3-28 1943 A Sonoma Sugarloaf Ridge State Park, near the parking lot Comment
  UC573868  Poa trivialis H. S. Yates 1937-5-30 6558 Sonoma 1 1/2 mi n Freestone; Sebastopol Quadrangle Comment
  UCD125256  Pogogyne douglasii G. F. Hrusa; R. Gross 1996-6-30 13065 Sonoma Permanent spring-derived pool at W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. 700 Comment
  JEPS62432  Pogogyne douglasii W. L. Jepson 1921-6-2 9302 b Sonoma Windsor, just east of Calhoun Ranch Comment
  POM283137  Pogogyne douglasii subsp. parviflora Lyman Benson 1930-6-18 2163 Sonoma South of Santa Rosa. 61 Comment
  CAS-BOT-BC110537  Polygonum Peter Rubtzoff 1987-9-27 9854 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC110531  Polygonum Peter Rubtzoff 1975-8-28 8363 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC290599  Polygonum Peter Rubtzoff 1966-8-25 5802 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC414110  Polygonum aviculare subsp. aviculare Walter Knight; Irja Knight 1963-10-3 346 Sonoma Bennett Valley Comment
  CAS-BOT-BC414281  Polygonum aviculare subsp. depressum G. DeNevers 1981-7-1 1737 Sonoma Pepperwood Ranch. In Pippindale Garden Comment
  JEPS103957  Polygonum californicum Jack and Betty Guggolz 1991-6-29 1201 Sonoma 195 Comment
  CDA2793  Polygonum cuspidatum H. F. McCracken 1967-10-11 Sonoma West 4th Street, Santa Rosa. 0 Comment
  CAS-BOT-BC72010  Polypodium californicum A. A. Heller 1902-3-10 5011 Sonoma Hills near Santa Rosa 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
  UC1051680  Polypodium scouleri Peter Kamb 1950-6-17 1881 Sonoma 2.9 mi w of fork in road to Bodega and Valley Ford (Larkspur Rock); s side Cheney Gulch 30 Comment
  UC903079  Polypodium scouleri Ethel Crum 1930-7-27 822 Sonoma 1 mi n Fort Ross; North Coast Ranges Comment
  UCR248722  Polypogon Peter Rubtzoff 1964-7-14 5402 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  RSA0028900  Polypogon Peter Rubtzoff 1970-9-3 6376 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC232998  Polypogon australis Peter Rubtzoff 1961-9-20 4754 Sonoma Willow Creek Marsh Comment
  RSA94463  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC233193  Polypogon interruptus Peter Rubtzoff 1955-5-21 1868 Sonoma Forestville Marsh Comment
  CAS-BOT-BC233195  Polypogon interruptus Peter Rubtzoff 1960-5-22 4407 Sonoma Laguna de Santa Rosa area E of Graton, between Occidental and Guerneville Roads Comment
  CAS-BOT-BC233196  Polypogon interruptus Peter Rubtzoff 1955-9-10 2142 Sonoma Vacation Creek, near Guerneville, Russian River bottom Comment
  SEINET10860395  Polypogon interruptus George B. Van Schaack, George F. Freytag 1950-8-15 Van Schaack 3073 Sonoma In soil chinks on sea side rocks. 5 m S of Stewart's Point. Comment
  CAS-BOT-BC233228  Polypogon maritimus Peter Rubtzoff 1969-8-27 6162 Sonoma Russian River bottom at Forest Hills, 5.5 miles E of Guerneville Comment
  POM206736  Polypogon monspeliensis A. A. Heller 1902-6-7 5652 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UCD91340  Polypogon monspeliensis P. B. Kennedy 1920-6-17 X 3252 Sonoma Santa Rosa; Field -- Campus -- Berkeley Comment
  UCD91413  Polypogon monspeliensis Terri Williamson 1990-5-24 73 Sonoma Cal-State Hayward Campus, Hayward. 243 Comment
  CAS-BOT-BC72483  Polystichum munitum Peter Rubtzoff 1952-3-22 862 Sonoma bordering the Upper Marsh in the west Comment
  CAS-BOT-BC72485  Polystichum munitum A. T. Graff 1926-2-1 s.n. Sonoma Cazadero Comment
  RSA262241  Populus alba Peter Rubtzoff 1972-8-25 6854 Sonoma San Antonio Creek on E side of Hwy 101 crossing. Comment
  RSA262242  Populus fremontii Peter Rubtzoff 1973-10-10 7335 Sonoma Forestville Marsh area. Ca. 25 yards from creek draining the Forestville Marsh. Comment
  UCD165871  Potamogeton crispus Peter Rubtzoff 1970-10-3 6407 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC274040  Potamogeton diversifolius Peter Rubtzoff 1964-7-14 5401 Sonoma Bennet Mountain Lake. Comment
  UCD165769  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh area. Comment
  RSA800893  Potamogeton pusillus Peter Rubtzoff 1973-8-27 7269 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC454078  Potamogeton pusillus subsp. pusillus M. S. Baker 1899-6-1 s.n. Sonoma Near Sebastopol Comment
  CAS-BOT-BC141959  Potentilla anserina subsp. pacifica Walter Knight; Irja Knight 1963-8-13 212 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC141951  Potentilla anserina subsp. pacifica Peter Rubtzoff 1960-5-18 4386 Sonoma Bodega Head Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141650  Potentilla uliginosa John Thomas Howell 1946-8-17 22861 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC26647  Potentilla uliginosa Milo S. Baker 1947-6-26 11831 Sonoma Cunningham Marsh ca 1 mi southwest of Cunningham Station Comment
  SFV3198  Prunella vulgaris A. I. Richardson 1961-6-17 23 Sonoma Flat overlooking ocean near Timber Cove, north of Fort Ross. 30 Comment
  UCD125271  Prunella vulgaris Beecher Crampton 1959-6-16 5392 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  CAS-BOT-BC6245  Prunella vulgaris var. atropurpurea Amos Arthur Heller 1902-6-4 5639 Sonoma Santa Rosa Comment
  POM64541  Prunella vulgaris var. lanceolata A. A. Heller 1902-6-4 12191 Sonoma Santa Rosa. Comment
  RSA0060111  Prunus subcordata Greg de Nevers 1998-4-21 11156 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In canyon west of Phillip's Garden. 100 Comment
  UCD160855  Pseudognaphalium californicum James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3282 Sonoma Mayacmas Mountains, south of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  JEPS128240  Pseudognaphalium luteoalbum Roger Raiche 2000-5-4 079 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC361619  Pseudognaphalium stramineum Walter Knight; Irja Knight 1963-8-13 311 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC80182  Pseudotsuga menziesii Peter Rubtzoff 1951-8-18 636 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC80184  Pseudotsuga menziesii A. A. Heller; H. E. Brown 1902-3-31 5188 Sonoma Mt. Hood Comment
  CAS-BOT-BC176174  Psilocarphus Peter Rubtzoff 1970-5-30 6249 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC361729  Psilocarphus brevissimus var. brevissimus J. W. Congdon 1880-5-24 s.n. Sonoma Santa Rosa Comment
  UCR254916  Pterostegia drymarioides Greg de Nevers 1998-6-8 11271 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 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
  CDA16004  Quercus X chasei G. F. Hrusa, R. Gross 2000-7-26 15684 Sonoma North Coast Biodiversity Arena; Foote Ranch at NE base of Mt. St. Helena. Comment
  SD225863  Quercus X chasei John M. Tucker 1952-9-20 2624 Sonoma Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, large tree in the back yard of the Voight house. Comment
  UC405367  Quercus agrifolia W. P. Taylor 1913-6-11 Sonoma Freestone Comment
  RSA94624  Quercus agrifolia Peter Rubtzoff 1951-8-19 639 Sonoma near Forestville. Pitkin marsh Comment
  SEINET12029926  Quercus agrifolia W. Knight, Knight, I.; Howell, J. T. 1984-1 5080 Sonoma 0.4mi up Cavedale Rd from Hwy-12 91 Comment
  CDA23773  Quercus berberidifolia D. G. Kelch 2006-10-4 6 .499 Sonoma Along Cavedale Road about 5 KM E of Route 12. Comment
  UCD162812  Quercus berberidifolia D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2015-3-8 1684 Sonoma Hooker Creek watershed. 590 Comment
  UCD45223  Quercus berberidifolia D. Q. Cavagnaro 1963-9-13 39 Sonoma On west side of range between Sonoma and Napa Valleys, 3 miles northeast of Glen Ellen, Sonoma County, California. Comment
  SEINET12028625  Quercus chrysolepis W. Knight, Knight, I. 1981-1 3985 Sonoma 4.2 mi up Cavedale Rd from jct of State Rt-12 Comment
  UCD45678  Quercus douglasii Peter H. Raven 1955-8-27 8757 Sonoma 3 miles north of Sears Point on State Route 37, Sonoma County. Comment
  CAS-BOT-BC79567  Quercus dumosa Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5141 Sonoma Pine Flat Road 335 Comment
  SEINET12030398  Quercus dumosa W. Knight, Knight, I.; Howell, J. T. 1984-1 5104 Sonoma 2.8 mi up Cavedale Rd from Hwy-12 Comment
  UCD45936  Quercus durata var. durata Maunsell Van Rensselaer 1941-10-12 s.n. Sonoma Rincon Ridge, Sonoma County, California. Comment
  UC1084449  Quercus garryana G. Thomas Robbins 1940-3-24 307 Sonoma ca 6 mi ne Santa Rosa; Rincon Ridge 167 Comment
  UC1299699  Quercus garryana Freed W. Hoffman 1947-4-3 670 Sonoma Wild Hog Ridge North Coast Ranges Comment
  UCD46063  Quercus garryana var. garryana G. L. Stebbins Jr. 1945-10-7 3586 Sonoma 2 miles northwest of Forestdale, along highway to Guerneville. Comment
  CAS-BOT-BC105480  Quercus kelloggii Dorothy Scherer 1996-10-14 73 Sonoma N side of Fort Ross Rd. ca. 1/2 mi. W of Seaview Rd. Fort Ross State Historic Park 451 Comment
  CDA12817  Quercus kelloggii G. F. Hrusa, R. Gross 1996-3-8 12651 Sonoma North Coast Biodiversity Arena; Near intersection of Ida Clayton Rd. and Hwy 128 on Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  CDA31300  Quercus kelloggii D. G. Kelch, Ed Biffin 2010-5-3 10 .192 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  RSA623531  Quercus kelloggii J. M. Tucker 1952-9-20 2622 Sonoma Voight Ranch, ca. 1.25 miles (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse. Comment
  SEINET5644376  Quercus kelloggii John M. Tucker 1952-9-20 2619 Sonoma Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse.; 0 Comment
  UC1193242  Quercus lobata G. W. Tourtillott 1950-4-28 13 Sonoma 1 mi (off) Hale Ranch; Sulphur Creek 213 Comment
  UCD163814  Quercus parvula var. shrevei Stephen K. Langer; and Charles S. Rand 1998-6-30 s.n. Sonoma Highway 128, 0.7 mi. southeast of Mendocino County line. 213 Comment
  UCD161308  Ranunculus aquatilis James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3695 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
  UC485122  Ranunculus aquatilis var. capillaceus Franklin P. Nutting Aug 1920 Sonoma Taylor Creek Comment
  UCD95945  Ranunculus californicus Mary M. Hektner 1976-5-10 253 Sonoma along bluffs above Shell Beach, Unit 24 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
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Oct 18 2018
  UCD14289  Ranunculus californicus L. Coats 1983-5-17 22 Sonoma Sonoma Co.; along Highway 1, 4.3 miles north of Salt Point State Park; 21 Comment
  UCD95956  Ranunculus californicus P. B. Kennedy 1914-5-16 s.n. Sonoma Del Mar. Comment
  UCSB50246  Ranunculus californicus Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach. T6N R11W. 15 Comment
  SBBG2249  Ranunculus californicus var. californicus H. and M. Dearing 1939-5-14 3352 Sonoma near Bodega State Park [Bodega Dunes State Beach] Comment
  CAS-BOT-BC378682  Ranunculus californicus var. californicus Dorothy Scherer 1996-3-16 1 Sonoma Fort Ross State Historic Park, northwest corner of Windemere Point, northwest slope 24 Comment
  UCD96226  Ranunculus muricatus Botany 102 Students 1993-5-8 300 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 25 air miles NE of Kenwood, and 18 airmiles NW of Napa. In Adobe Canyon N of Sugarloaf Ridge. Bold Mountain Trail less than 1 air mile S of Red Mountain, N of Sonoma Creek. 350 Comment
  SBBG53137  Ranunculus occidentalis var. occidentalis M. R. Benedict 1978-4-18 Sonoma Hwy 128 ca. 5 mi W of Calistoga Comment
  SD88405  Ranunculus occidentalis var. occidentalis Darley F. Howe 1972-5-1 Sonoma Duncan Point Comment
  RSA534613  Ranunculus orthorhynchus var. platyphyllus Peter Rubtzoff 1962-5-11 4827 Sonoma Freestone Marsh Comment
  UC118200  Ranunculus pusillus Mich. and Bioletti 1892-5-1 Sonoma Shellville Comment
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Jul 22 2010
  UC118347  Ranunculus pusillus Katharine Brandegee 1905-6-8 Sonoma bet. Santa Rosa and Sebastopol (along the electric line) Comment
  UC1084367  Raphanus sativus G. Thomas Robbins 1937-3-26 33 Sonoma along road to Bodega (just e of Bodega) Comment
  CAS-BOT-BC427547  Reseda luteola G. DeNevers 1981-5-30 1420 Sonoma Pepperwood Ranch. In Garrison yard. Comment
  UCD135429  Rhagadiolus stellatus Caitlin Lewis; William Mutch 1993-4-17 25 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. Along Sonoma Creek. 365 Comment
  RSA6213  Rhamnus californica Merle Randall 1930-6-14 s.n. Sonoma Alamere Creek Comment
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Sep 20 2012
  UC73371  Rhamnus crocea Milo S. Baker 1898-4-23 26 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC55944  Rhamnus crocea G. DeNevers 1981-6-27 1695 Sonoma On a walk from Franz Valley Road up the main Creek draining the Devil's Kitchen and West along a chaparral ridge Comment
  SEINET12211236  Rhamnus crocea W. Knight, Knight, I.; Edwards, S. T. 1988-1 6328 Sonoma South slope of Bradford Mt., NW of Healdsburg 762 Comment
  CAS-BOT-BC53744  Rhododendron columbianum Peter Rubtzoff 1951-6-2 106 Sonoma Pitkin Marsh, near Forestville - Western branch of the Upper Marsh Comment
  SBBG50850  Rhododendron neoglandulosum M. Yeargan 1973-5-30 83 Sonoma 3 mi SE of town of Stewarts Point Comment
  CLARK-A1528-5112  Rhododendron occidentale John C. Roos 1957-7-2 6645 Sonoma Miller Ridge Comment
  CAS-BOT-BC200348  Rhododendron occidentale var. occidentale Peter Rubtzoff 1959-6-7 4106 Sonoma Bank of Russian River betw. East Guernewood and Vacation Beach, near Guerneville Comment
  CDA32769  Rhododendron occidentale var. occidentale G. F. Hrusa 1990-6-2 8062 Sonoma Outer North Coast Ranges; Skagg's Springs road from Stewart's Point, approx. 1 mile inland from Hwy 1. 91 Comment
  RSA787919  Rhododendron occidentale var. occidentale G. Fred Hrusa 1989-5-8 6091 Sonoma Hogback Mountain at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  RSA71061  Rhododendron occidentale var. paludosum L. S. Rose 1951-6-7 51013 Sonoma Pitkin Marsh, 5 miles N of Sebastopol. Comment
  RSA94351  Rhododendron occidentale var. paludosum Peter Rubtzoff 1951-6-17 277 Sonoma Northern half of Lower Marsh; in a thicket Comment
  CAS-BOT-BC111891  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh 182 Comment
  CAS-BOT-BC350939  Rhynchospora californica Peter Rubtzoff 1961-10-18 4763 Sonoma Cunningham Marsh. Comment
  RSA74058  Rhynchospora californica Milo S. Baker 1945-7-18 11112 Sonoma Pitkin Marsh, upper bog Comment
  RSA94069  Rhynchospora californica J. T. Howell 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111897  Rhynchospora capitellata Herbert L. Mason 1946-7-4 12881 Sonoma Pitkin Marsh; between Santa Rosa and Forestville Comment
  CAS-BOT-BC111902  Rhynchospora capitellata Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  UC710415  Rhynchospora capitellata John Thomas Howell 1936-7-26 12677 Sonoma 5 mi n Sebastopol; Pitkin Marsh Comment
  CAS-BOT-BC111915  Rhynchospora globularis Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC433107  Ribes Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano Comment
  SEINET13942321 Image available Ribes californicum A. A. Heller 2003-1 Sonoma Woods near Cazadero Comment
  UCD102254  Ribes inerme var. inerme Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1780 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Campground S of Sonoma Creek approx. 150 yds 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  SEINET12217220  Ribes menziesii F. H. Utech 1988-1 88 -203 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  CAS-BOT-BC198924  Ribes roezlii var. cruentum R. Bacigalupi 1948-3-6 2857 Sonoma Slopes of Mayacamas Range, on road from the Geysers to Geyserville. Comment
  CAS-BOT-BC168764  Ribes victoris A. A. Heller 1903-4-24 6615 Sonoma Woods near Cazadero Comment
  CAS-BOT-BC376258  Rorippa Greg de Nevers 1992-5-5 10141 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. West of Three Tree Hill 475 Comment
  CAS-BOT-BC74698  Rorippa curvisiliqua Peter Rubtzoff 1958-7-19 3772 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC74709  Rorippa curvisiliqua Peter Rubtzoff 1970-5-30 6242 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC74714  Rorippa curvisiliqua Peter Rubtzoff 1974-6-2 7517 Sonoma Upper Green Valley Marsh. Comment
  CDA13134  Rorippa curvisiliqua G. F. Hrusa, R. Gross 1996-6-3 13069 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
  UC117540  Rorippa palustris Michener and Bioletti 1892-5-15 Sonoma S. L. G. Comment
  CAS-BOT-BC74849  Rorippa palustris var. palustris Peter Rubtzoff 1973-8-25 7259 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC152658  Rosa californica Peter Rubtzoff 1951-8-18 631 Sonoma Western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC152674  Rosa californica Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  RSA94284  Rosa californica Peter Rubtzoff 1951-6-16 263 Sonoma Eastern Branch of the upper marsh. Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC148296  Rosa pinetorum Greg de Nevers 1991-12-18 9839 Sonoma Pepperwood Naturual Preserve, 3450 Franz Valley Road, along Franz Valley Rd. by road cut below Al Cuneo's house. 475 Comment
  CAS-BOT-BC148195  Rosa rubiginosa Lewis S. Rose 1955-10-24 55188 Sonoma Two Rock 30 Comment
  CAS-BOT-BC148196  Rosa rubiginosa Mary P. Wells 1985-9-13 653 Sonoma Field on ridge, east of Timber Ridge Road and north of Spring Meadow Road. The Sea Ranch Comment
  SEINET11911417  Rosa rubiginosa W. Knight, Knight, I. 1988-1 6262 Sonoma Ford Cutoff, Bodega hwy and Valley Ford 46 Comment
  UCD166349  Rubus Peter Rubtzoff 1954-8-11 1691 Sonoma Guerneville Marsh. Comment
  UC666157 Image available Rubus ursinus S. W. Brown 1942-5-10 42004 Sonoma 2 mi n Ft. Ross State Historic Monument; Ft. Ross Comment
  UCD17809  Rubus ursinus H. Olmo 8-10 May 1962 62 05 Sonoma California. Sonoma County: Bridge 20-70 in Russian Gulch. Comment
  CAS-BOT-BC157172  Rubus ursinus Alice S. M. McKenzie 1981-2-12 15 A Sonoma Calif. State Hwy. 1, marker 44.55 Comment
  CAS-BOT-BC110496  Rumex Peter Rubtzoff; Nancy Harrison 1974-9-7 7884 Sonoma Hinebaugh Creek in Rohnert Park east of Commerce Boulevard crossing of the creek. Comment
  CAS-BOT-BC157659  Rumex Peter Rubtzoff 1964-6-3 5351 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC157665  Rumex Peter Rubtzoff 1971-6-29 6579 Sonoma Pitkin Marsh. Area 27. Comment
  RSA784601  Rumex Peter Rubtzoff 1962-8-22 5039 Sonoma Bodega Bay Marsh. Comment
  RSA784602  Rumex Peter Rubtzoff 1964-7-29 5452 Sonoma Bodega Bay Marsh. Comment
  UCD148370  Rumex Peter Rubtzoff 1955-8-7 2029 Sonoma Guerneville Marsh. Along Pocket Canyon. Comment
  CAS-BOT-BC421851  Rumex conglomeratus Peter Rubtzoff 1951-6-30 309 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC421581  Rumex crassus Walter Knight; Irja Knight 1963-8-13 179 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC434143  Rumex transitorius Catherine Best 1982-8-18 s.n. Sonoma Goat Rock Park off of Hwy 1 Comment
  CDA2403  Rytidosperma penicillatum Barbara Ertter 2003-7-19 18246 Sonoma Behind community center on west side of Hwy 1 north of town, Bodega Bay. 0 Comment
  UCD55250  Rytidosperma penicillatum Beecher Crampton 1957-7-22 4392 Sonoma along State Hwy. 1, 11.7 miles south Stewart's Point. Comment
  CAS-BOT-BC445770  Sagittaria latifolia A. A. Heller 1902-7-1 5799 Sonoma Lagoon at Sebastopol Comment
  RSA155528  Sagittaria latifolia L. S. Rose 1960-9-14 60091 Sonoma Laguna de Santa Rosa, 2 miles east of Grafton 15 Comment
  CAS-BOT-BC157666  Salicornia Peter Rubtzoff 1963-8-17 5222 Sonoma Petaluma Creek just east of Petaluma. Comment
  CAS-BOT-BC290655  Salix Peter Rubtzoff 1974-4-17 7364 Sonoma Upper Green Valley Marsh. Comment
  UCR249074  Salix Peter Rubtzoff 1971-9-1 6679 Sonoma Spring Creek Reservoir area, east of Santa Rosa 87 Comment
  RSA0015572  Salix Peter Rubtzoff 1973-10-10 7337 Sonoma Salmon Creek, 0.25 mi south of Freestone along creek canyon. Comment
  RSA0037216  Salix Peter Rubtzoff, James E. Eckenwalder 1974-4-6 7353 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC126270  Salix X sepulcralis Peter Rubtzoff 1951-8-19 645 Sonoma Southern half of Lower Marsh Comment
  UC517938  Salix X sepulcralis W. A. Setchell 1934-3-17 Sonoma Valley Ford Rd. 6 mi. from Petaluma Comment
  UC517942  Salix X sepulcralis W. A. Setchell 1934-3-17 Sonoma Valley Ford Rd. 6 mi. from Petaluma Comment
  CAS-BOT-BC103075  Salix bonplandiana Maxine Wilkes 1933-5-21 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC103076  Salix bonplandiana A. A. Heller 1902-4-22 5346 Sonoma On Santa Rosa creek near Santa Rosa Comment
  CAS-BOT-BC102863  Salix breweri John Thomas Howell 1933-4-2 10940 Sonoma slopes of Mt. Hood, Sonoma Creek Canyon Comment
  CAS-BOT-BC103950  Salix exigua Peter Rubtzoff 1957-5-4 3319 Sonoma Vacation Beach, near Guerneville. Sandy bank of Russian River Comment
  RSA534564  Salix exigua Peter Rubtzoff 1960-5-29 4422 Sonoma Laguna de Santa Rosa near Trenton (S of Woodsey Road). Comment
  CAS-BOT-BC103841  Salix exigua subsp. melanopsis Peter Rubtzoff 1957-5-26 3372 Sonoma Vacation Beach, near Guerneville; bank of Russian River Comment
  UC599629  Salix exigua var. hindsiana A. A. Heller 1902-4-8 5224 Sonoma s.e. Santa Rosa; Bennett Valley Comment
  SD133980  Salix laevigata Peter Rubtzoff 1966-9-10 5819 Sonoma Atascadero Creek Marsh. Along sluggish marshy Atascadero Creek just below the marsh Comment
  UC66156  Salix lasiandra subsp. lasiandra A. A. Heller 1902-3-28 5174 Sonoma Santa Rosa Creek e. of Santa Rosa Comment
  UC66164  Salix lasiandra subsp. lasiandra A. A. Heller 1902-8-23 5098 Sonoma Santa Rosa Creek e. of Santa Rosa Comment
  CAS-BOT-BC128059  Salix lasiandra var. lasiandra A. A. Heller 1902-4-18 5329 Sonoma Near Windsor on Russian River Comment
  CAS-BOT-BC128063  Salix lasiandra var. lasiandra Peter Rubtzoff 1951-8-18 626 Sonoma Pitkin Marsh, near Forestville, western branch of the Upper Marsh Comment
  CAS-BOT-BC128065  Salix lasiandra var. lasiandra John Thomas Howell 1932-9-18 10772 Sonoma Bank of slough draining Kenwood Marsh. Comment
  CAS-BOT-BC128066  Salix lasiandra var. lasiandra Alice Eastwood 1915-6-30 4899 Sonoma Bodega Comment
  CAS-BOT-BC128051  Salix lasiandra var. lasiandra Walter Knight; Irja Knight; Dr. Steve Edwards 1986-9-9 5250 Sonoma Norborn Road, near Sonoma Comment
  CAS-BOT-BC107252  Salix lasiolepis A. A. Heller 1902-3-10 5016 Sonoma Hills two miles southeast of Santa [Kosa] Rosa Comment
  HSC19993  Salix lasiolepis R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1340 Sonoma Along Sulphur Creek, 7 mi. W of Big Geysers Comment
  POM219055  Salix lasiolepis Carleton R. Ball, Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 34 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  UC482061  Salix lasiolepis Baker, Ball, Bracelin, and Crum 1931-5-9 345 Sonoma about 2 km e Bodega Bay (creek bed) Comment
  UCD111582  Salix lasiolepis Ball; Bracelin, Parks, and Parks 1931-4-21 34 Sonoma Maacama Creek, about 25 km. northwest of Calistoga. Comment
  SEINET5633134 Image available Salix lasiolepis A. A. Heller 1902-1 2738 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC107350  Salix lasiolepis var. bigelovii Peter Rubtzoff; T. J. Crovello 1964-9-3 5495 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC128250  Salix lucida Peter Rubtzoff 1952-3-23 890 Sonoma Lower part of Upper Marsh in and open damp area - Pitkind Marsh, near Forestville Comment
  CAS-BOT-BC125697  Salix melanopsis W. A. Setchell 1931-8-1 s.n. Sonoma Bohemian Grove, near Monte Rio, in gravelly bed of Russian River Comment
  RSA534563  Salix melanopsis Peter Rubtzoff 1970-9-2 6367 Sonoma Russian River bottom at Mirabel Park. Comment
  CAS-BOT-BC126192  Salix scouleriana Ynes Mexia 1933-2-18 s.n. Sonoma Four miles south of Camp Meeker Comment
  LA208920  Salix scouleriana Baker; Ball, Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental; on Occidental grade Comment
  UC482054  Salix scouleriana Baker, Ball, Bracelin, and Crum 1931-5-9 343 Sonoma 2 km. e. Occidental (rd. from <Grayton> to Occidental, 1/2 way up last hill, on Occidental grade) Comment
  UC482055  Salix scouleriana Baker, Ball, Bracelin, and Crum 1931-5-9 342 Sonoma 2 km. e. Occidental (on Occidental grade) Comment
  CAS-BOT-BC128949  Salix sitchensis W. A. Setchell 1933-5-6 s.n. Sonoma Roadside between monte Rio and Camp Meeker Comment
  JEPS86742  Salix sitchensis Jack and Betty Guggolz 1990-6-22 1076 Sonoma ca. 12 km. e Healdsburg (next to Redwood Creek just above its confluence with Maacamas Creek); Ferrari-Carano Ranch 73 Comment
  UC482060  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 348 Sonoma 2 km. e. Bodega Bay (on Santa rosa-Bodega Hwy., Larkspur Rock) Comment
  UC66174  Salix sitchensis A. A. Heller 1902-3 5044 Sonoma foot of Mt. Hood (Sonoma Creek); , Sonoma Creek Comment
  UCD111903  Salix sitchensis Theodore J. Crovello 1965-9-14 721 Sonoma Along Mayacama Creek, 75-100 yards west of junction of creek with bridge of California Highway 128. Comment
  UC726375  Salix sitchensis A. A. Heller 1900-3-12 5044 Sonoma e. flank Mt. Hood (Sonoma Creek); , Sonoma Creek Comment
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May 1 2014
  CAS-BOT-BC176914  Salsola tragus Catherine Best 1986-11-16 1232 Sonoma At the edge of Hwy. 121 near the railroad crossing Comment
  JEPS97554  Salvia sonomensis R. D. Stone 1985-3-8 652 Sonoma Near ridgetop W of Stuart Canyon Mt. Veeder (approx. 2.5 airmiles W of) Comment
  UC25740  Salvia sonomensis F. T. Bioletti May 1892 Sonoma Hood's Peak Comment
  UCD160126  Sambucus nigra subsp. caerulea James A. Neilson Jr. 1973-6-6 2958 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  UC1057437  Sanicula arctopoides G. Thomas Robbins 1937-3-26 22 Sonoma near Bodega Bay Comment
  CAS-BOT-BC223343  Sanicula bipinnatifida Alice Eastwood 1921-5-8 10438 Sonoma Petaluma Comment
  CAS-BOT-BC223345  Sanicula bipinnatifida A. A. Heller; H. E. Brown 1902-3-14 5066 Sonoma Near Windsor Comment
  CAS-BOT-BC223346  Sanicula bipinnatifida Alice Eastwood 1921-4-24 10376 Sonoma Santa Rosa Comment
  JEPS98655  Sanicula bipinnatifida O. Gomez, R. Power, E. and P. Vargas 1996-4-7 8 PV96 Sonoma Armstrong Redwoods, ridge over Bullfrog pond Cazadero Comment
  UCR265122  Sanicula bipinnatifida Ann Howald 2015-4-1 3325 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  CDA6116  Sanicula laciniata D. G. Kelch 2007-5-13 07 .295-B Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  POM142444  Saxifraga mertensiana A. A. Heller 1903-4-24 6616 Sonoma Woods near Cazadero. Comment
  RSA41967  Saxifraga mertensiana Ella Dales Cantelow 1936-4-5 1216 Sonoma Grade W of Cazadero. 154 Comment
  UC1348903  Scandix pecten-veneris Robert F. Thorne 1965-4-19 34262 Sonoma Cotati, Waters Ranch 30 Comment
  CAS-BOT-BC283150  Schedonorus arundinaceus John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54692 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC422370  Schedonorus arundinaceus Peter Rubtzoff 1962-5-25 4835 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  RSA0022393  Schedonorus arundinaceus Peter Rubtzoff 1960-6-9 4468 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  CAS-BOT-BC111396  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1958-8-23 3924 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llamo Rd). Comment
  UCD161272  Schoenoplectus acutus var. occidentalis James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3686 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-BC111630  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4580 Sonoma Bodega Harbor Marsh; saline part. Comment
  CAS-BOT-BC366889  Schoenoplectus mucronatus Greg de Nevers 1997-9-29 11097 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  RSA90531  Schoenoplectus pungens Milo S. Baker 8611 Sonoma Sea beach at mouth of Salmon Creek Comment
  SEINET9307598  Scirpus Unknown 2000-3-7 20945 Sonoma Sonoma Comment
  UC56352  Scirpus americanus J. Burtt Davy 1897-9-19 4056 Sonoma Petaluma Petaluma (salt-marsh) Comment
  SEINET12050504  Scoliopus bigelovii F. H. Utech 1988-1 88 -215 Sonoma Salt Point, along CA 1 between Jenner & Stewart's Point, mile marker 38.39 75 Comment
  SEINET12058075  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -003 Sonoma ca 0.15 mi SE from East Avenue junction with Bohemian Rd on latter to Occidental from Camp Meeker 140 Comment
  UCD92543  Scribneria bolanderi L. Whitney; E. W. 1935-4-14 s.n. Sonoma near Occidental. Comment
  UCR249343  Scrophularia californica Peter Rubtzoff 1958-5-17 3675 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  CAS-BOT-BC344882  Scrophulariaceae Peter Rubtzoff 1964-6-6 5355 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  CAS-BOT-BC417850  Sedella pumila Leo Koch 1940-4-24 848 Sonoma N of Agua Caliente Comment
  CAS-BOT-BC63939  Sedum spathulifolium J. Clausen 1935-5-24 1079 Sonoma Adobe Canyon at Sonoma Creek, the first ravine abouve Kenwood Springs. Comment
  SD95206  Sedum spathulifolium Winifred Anderson 1966-5-7 21 Sonoma Pine Flat Road, 10 miles east of Healdsburg. 170 Comment
  CAS-BOT-BC62199  Selaginella wallacei John Thomas Howell 1926-11-14 2251 Sonoma Hills east of Santa Rosa Comment
  JEPS128269  Senecio vulgaris Roger Raiche 2000-4-8 025 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC364679  Senecio vulgaris John H. Thomas 1976-6-15 18312 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UCD133859  Senecio vulgaris Frederica Bowcutt 1996-3-24 2077 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile south of Red Mountian. Along Lower Bald Mtn. Trail on first switchback. 441 Comment
  CAS-BOT-BC80322  Sequoia sempervirens Elsa G. Ruckert 1960-3-12 17 Sonoma 2 1/2 miles up [Triniti] Trinity Road north, from Highway 12 243 Comment
  UC403025  Sequoia sempervirens J. Burtt Davy 1896-8-1 Sonoma Bohemian Camp Guerneville Comment
  RSA0065158  Setaria Greg de Nevers 1997-4-20 11086 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Mark West Spring Road. 100 Comment
  RSA0004218  Sidalcea calycosa Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan s Mills Comment
  UC202838  Sidalcea calycosa subsp. calycosa Milo S. Baker May 1889 Sonoma Stewarts Canyon North Falls, Stewarts Canyon Comment
  RSA94097  Sidalcea calycosa subsp. calycosa J. T. Howell 1945-8-14 21387 Sonoma Perry Marsh Comment
  CAS-BOT-BC213155  Sidalcea calycosa subsp. rhizomata George B. Snyder 1991-9-5 s.n. Sonoma Sea Ranch, 1/2 mile north of the lodge, between Hwy 1 and the ocean. Comment
  CAS-BOT-BC213156  Sidalcea calycosa subsp. rhizomata L. R. Abrams 1920-7-3 7617 Sonoma Stewarts Pt. Comment
  UC400138  Sidalcea diploscypha Ynez Mexia 1929-6-2 2395 Sonoma near Mark West Springs; near Mark West Springs Comment
  UC796565  Sidalcea diploscypha Roxana S. Ferris and Laura Lorraine 1948-6-9 11662 Sonoma on road to Kellogg 11 mi from Geyserville; 11 mi from Geyserville Comment
  RSA293430  Sidalcea diploscypha Reino Alava 1958-5-24 2060 Sonoma About 4 miles east of Occidental Comment
  RSA87714  Sidalcea malviflora subsp. laciniata C. L. Hitchcock 1952-6-4 19582 Sonoma About 2 miles east of Sebastopol Road to Petaluma, Comment
  CAS-BOT-BC213167  Sidalcea oregana subsp. valida Milo S. Baker 1932-8-15 6013 Sonoma Marshy road ditch just W. of Kenwood. Comment
  CAS-BOT-BC213169  Sidalcea oregana subsp. valida M. S. Baker 1927-7-19 2343 Sonoma Kenwood Comment
  SEINET3228072  Sidalcea oregana subsp. valida John Thomas Howell 1932-1 Sonoma Comment
  CAS-BOT-BC540832  Sidalcea oregana subsp. valida Peter Rubtzoff; Rimo Bacigalupi 1979-8-6 9305 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
  CAS-BOT-BC361292  Silene Greg de Nevers 1993-5-16 10449 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Devil's Kitchen east of 3865 Franz Valley Road 457 Comment
  RSA800081  Silene Peter Rubtzoff 1962-6-21 4935 Sonoma Laguna de Santa Rosa area NE of Graton, E of Laguna Road. Comment
  CAS-BOT-BC361349  Silene coniflora Greg de Nevers 1997-4-24 10961 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCR253372  Silene gallica Peter Rubtzoff 1969-8-14 6134 Sonoma Along Salmon Creek, c. 0.5 mile upstream from Hwy #1 3 Comment
  SEINET11935783  Silene gallica P. G. Connors 1991-1 Sonoma Bodega Marine Reserve 9 Comment
  NY342628  Silene grandis A. Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC389219  Silene laciniata subsp. californica C. F. Leitholt 1893-6-1 s.n. Sonoma Sonoma Mt Comment
  UC8454  Silene scouleri subsp. grandis Alice Eastwood 1900-7-4 Sonoma Bodega Point; ; Bodega Point, Sonoma Co. Comment
  UCD138810  Sisyrinchium bellum Cynthia Hodges 1982-4-8 15 Sonoma 10 miles south Healdsburg on Chalk Hill Road directly off Highway 128. 38 Comment
  UC429242  Smilacina racemosa H. P. Chandler 1907-4-21 7529 Sonoma road fr. Glen Ellen to Oakville Comment
  CAS-BOT-BC164422  Solanum Peter Rubtzoff 1963-10-5 5287 Sonoma Laguna de Santa Rosa east of Graton. Comment
  RSA227218  Solanum americanum Peter Rubtzoff 1958-8-17 3889 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  UC424779  Solanum umbelliferum Milo S. Baker 1929-4-14 3489 b Sonoma Jensen's Ranch Comment
  UC583529  Solanum umbelliferum Elmer I. Applegate 1934-3-25 8854 Sonoma Pine Flat, w slope of the Mayacama Mountain Range Pine Flat; Mayacama Mountain Range, Pine Flat Comment
  RSA0062823  Solidago californica Greg de Nevers 1989-9-15 9104 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  SEINET11807361  Solidago occidentalis W. Knight, Knight, I. 1984-1 5428 Sonoma Willow Creek Rd 61 Comment
  CAS-BOT-BC365657  Solidago spathulata John Thomas Howell 1945-8-14 21409 Sonoma Perry Marsh Comment
  LA203961  Solidago velutina subsp. californica M. S. Baker; 1934-6-1 7701 Sonoma About 1 mi. E of Gravenstein Hwy along Road from Moleno towards Santa Rosa Comment
  CAS-BOT-BC173669  Soliva sessilis Peter Rubtzoff 1955-8-7 2036 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC365968  Soliva sessilis Ella Dales Cantelow 1939-4-19 2609 Sonoma Miss Noldeke's ranch, Sebastopol Comment
  UCD148422  Sonchus Peter Rubtzoff 1960-5-18 4391 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC374531  Sonchus asper Peter Rubtzoff 1951-7-7 359 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  UCD136129  Sonchus asper subsp. asper Mary M. Hektner; Cathy Hendel 1974-7-24 163 Sonoma alongside Kirkwood House on Pacific Reach, Unit 24 Owners' Map, Sea ranch, near State Highway 1. Comment
  UCD92809  Sorghum bicolor subsp. drummondii David L. Morgan 1955-8-1 s.n. Sonoma On Arnold Drive, 3 miles S of Sonoma State Home. Comment
  CAS-BOT-BC236594  Sorghum halepense G. DeNevers 1981-6-26 1664 Sonoma Along River Road between Fulton and Mirabel Park, Russian River area Comment
  CDA37709  Spartium junceum Breckenridge/Filippini 2007-4-15 s.n. Sonoma Healdsburg, on Highway 101. 0 Comment
  SD39609  Spergula arvensis Edith A. Purer 1932-8-21 4053 a Sonoma Bodega Bay. Comment
  CAS-BOT-BC390044  Spergula arvensis G. DeNevers 1981-4-2 615 Sonoma Pepperwood Ranch. In Hansel's cow bitten field Comment
  CAS-BOT-BC390051  Spergula arvensis Walter Knight; Irja Knight 1963-12-25 432 Sonoma Magnolia & Marshall Aves. Comment
  RSA0022422  Spergularia Peter Rubtzoff 1971-7-3 6591 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC390517  Spergularia macrotheca var. macrotheca Alice Eastwood 1921-5-8 10456 Sonoma Petaluma Comment
  CAS-BOT-BC320523  Spergularia rubra Peter Rubtzoff 1974-7-29 7789 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  CAS-BOT-BC390732  Spergularia rubra Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  CAS-BOT-BC376238  Spiranthes porrifolia Greg de Nevers 1995-7-20 10762 Sonoma Field redacted by CAS, contact the data manager for more information 487 Comment
  CAS-BOT-BC534891  Spirodela polyrhiza Peter Rubtzoff 1951-9-2 704 Sonoma Northern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  UC1041056  Stachys ajugoides var. ajugoides J. W. Congdon 1880-7-25 Sonoma Petaluma Comment
  POM80112  Stachys chamissonis Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan[s] Mills. Comment
  RSA227237  Stachys chamissonis Peter Rubtzoff 1962-8-22 5048 Sonoma Bodega Bay Marsh. Comment
  UC1057441  Stellaria media G. Thomas Robbins 1937-3-27 46 Sonoma Santa Rosa Comment
  CAS-BOT-BC251172  Stellaria media Peter Rubtzoff 1958-8-16 3883 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC397769  Stellaria media G. DeNevers 1981-4-2 614 Sonoma Pepperwood Ranch; Along Studio Road at the Mesa. Comment
  SEINET10603927  Stipa pulchra A. Arthur Heller 1902-4-23 Heller 5350 Sonoma Near Sonoma Comment
  JEPS27964  Streptanthus barbiger Rimo Bacigalupi and L. Heckard 1961-6-9 7742 Sonoma ca. 3/4 mi. n.w. Occidental School (along Stoetz Lane, ca. 1/2 mi. n.w. of its junction with Harrison Grade rd.) 228 Comment
  CAS-BOT-BC61221  Streptanthus brachiatus Helen K. Sharsmith 1952-6-18 4129 Sonoma Inner North Coast Ranges. Near junction of Socrates Mine road with Pine Flat-Middletown Road. Mayacamas Mountains. 975 Comment
  UCD72523  Streptanthus brachiatus Sharon Strauss 2007-6-28 s. n. Sonoma Audubon Mayacamas Mountains Wildlife Refuge, Pine Flat Road, 0.25 mile on left from parking area down unpaved road from gate. 853 Comment
  SEINET10735472 Image available Streptanthus brachiatus Arthur R. Kruckeberg 1949-6-5 Kruckeberg 2905 Sonoma Exposed serpentine ridge near Contact Mine, east of Pine Flat, on the Sonoma-Lake county line. 914 Comment
  CAS-BOT-BC87233  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-19 6436 Sonoma Spring Mountain Road, 7.5 miles west of Saint Helena. Comment
  CAS-BOT-BC87235  Streptanthus glandulosus subsp. glandulosus H. N. Bolander 1864-4-1 3944 Sonoma At the Geysers. Comment
  UC956574  Streptanthus glandulosus subsp. glandulosus Freed W. Hoffman 1949-6-5 2902 Sonoma along ridge top above Pine Flat (near Contact Mine); North Coast Ranges 960 Comment
  UC1492790  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-24 3362 Sonoma near Nylander's house (near Rocky Mountain); North Coast Ranges, East Austin Creek Comment
  CAS-BOT-BC87297  Streptanthus glandulosus subsp. sonomensis John Thomas Howell 1937-7-4 13077 Sonoma Near Petrified Forest. Comment
  UCD168052  Streptanthus morrisonii James Neilson 1981-5-15 4031 Sonoma Mayacmas Mountains, Shell Well Site E. Bear Ridge. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  UC1492804  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1950-5-24 3360 Sonoma trail from Gray Creek to The Island (headwaters of East Austin Creek); North Coast Ranges, East Austin Creek Comment
  RSA800658  Stuckenia pectinata Peter Rubtzoff 1970-8-5 6296 Sonoma Five miles north of Sears Point. Comment
  UCD165872  Stuckenia pectinata Peter Rubtzoff 1970-10-3 6408 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC257964  Symphoricarpos Peter Rubtzoff 1974-6-2 7530 Sonoma Upper Green Valley Marsh area. Comment
  UCD166202  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  CAS-BOT-BC540809  Symphoricarpos Peter Rubtzoff 1958-7-19 3760 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC540810  Symphoricarpos Peter Rubtzoff 1959-5-31 4075 Sonoma Freestone Marsh. Comment
  RSA0036021  Symphyotrichum Peter Rubtzoff 1971-8-23 6649 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC97816  Symphyotrichum chilense Peter Rubtzoff 1958-8-9 3826 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CAS-BOT-BC97826  Symphyotrichum chilense J. W. Congdon 1880-9-12 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC97821  Symphyotrichum chilense Alice Eastwood 1918-9-3 7963 Sonoma Calistoga Comment
  CAS-BOT-BC97833  Symphyotrichum chilense Walter Knight; Irja Knight 1963-9-25 118 Sonoma [Coffy] Coffee Lane, Coddington Comment
  CAS-BOT-BC97835  Symphyotrichum chilense Walter Knight; Irja Knight 1984-9-26 5236 Sonoma 5.9 mi. up Cavevale Rd. Comment
  CAS-BOT-BC99378  Symphyotrichum subspicatum Peter Rubtzoff 1958-8-31 3960 Sonoma Atascadero Creek Marsh Comment
  UC469054  Symphyotrichum subspicatum Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  UCD78035  Synthyris reniformis Robert E. Preston 2001-2-28 1496 Sonoma Ca. Sonoma County: 2.5 mi NE of Fort Ross, near Seaview. 381 Comment
  CAS-BOT-BC221968  Taeniatherum caput-medusae John Thomas Howell 1967-6-17 42595 Sonoma Hot Springs Road sw. of Cloverdale Comment
  CDA16162  Taeniatherum caput-medusae G. F. Hrusa, R. Gross 1999-6-12 15073 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
  CDA19953  Taeniatherum caput-medusae G. Bjork 2002-7-17 PDR P 092669 Sonoma North Coast Ranges; Calistoga road at Alpine Rd. 0 Comment
  CAS-BOT-BC164033  Taraxacum Peter Rubtzoff 1960-5-16 s.n. Sonoma Duncans Mills Marsh. Comment
  UC1084375  Taraxacum officinale G. Thomas Robbins 1937-3-27 48 Sonoma Santa Rosa Comment
  CAS-BOT-BC251249  Taraxia ovata Peter Rubtzoff 1969-5-24 6059 Sonoma Vernal Pool, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  JEPS86301  Teesdalia coronopifolia Charles F. Quibell 1975-2-24 1228 Sonoma 0.5 mi n of intersection with Peracca Guenza intersection (along w side of Grange Road); Grange Road Comment
  OBI9743  Tellima grandiflora Lewis S. Rose 1962-4-18 62023 Sonoma 1 mi NW of Freestone 76 Comment
  CAS-BOT-BC366874  Thalictrum polycarpum Greg de Nevers 1998-4-27 11200 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  CAS-BOT-BC268101  Thermopsis Peter Rubtzoff 1962-6-8 4886 Sonoma Bennett Mountain Lake. Comment
  RSA87001  Thermopsis californica var. californica F. W. Peirson, Mabel B. Peirson 1926-4-1 6546 Sonoma 3 miles south of Santa Rosa. Comment
  UCD108601  Thermopsis californica var. californica Botany 102 Students 1993-4-24 102 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1.3 air miles SE of Red Mtn, just SE of Sonoma Creek along Hillslide Trail at intersection with Brushy Peaks and Meadow Trails. 396 Comment
  CAS-BOT-BC66827  Thysanocarpus curvipes Ira L. Wiggins 1949-4-30 12069 A Sonoma 4 miles west of Calistoga. Comment
  CAS-BOT-BC66817  Thysanocarpus curvipes G. DeNevers 1981-4-25 843 Sonoma Pepperwood Ranch. At the big road cut and turnout below Walter Ward's House on Franz Valley Road. Comment
  CAS-BOT-BC66951  Thysanocarpus laciniatus John Thomas Howell 1934-3-27 11802 Sonoma Santa Rosa Creek Canyon. Comment
  CAS-BOT-BC67337  Thysanocarpus radians John Thomas Howell 1934-3-27 11804 Sonoma Summit of Bennett Valley road from Glen Ellen to Santa Rosa. Comment
  UC11051  Thysanocarpus radians Alice Eastwood 1900-4-7 Sonoma Altruria Comment
  CHSC20584  Tiarella trifoliata var. unifoliata Robert A. Schlising; Glenn Keater 1965-5-22 2823 Sonoma California Coast Ranges. North of Occidental about 1 mile. Comment
  UC570910  Tiarella trifoliata var. unifoliata H. L. Mason 1928-7-11 4888 Sonoma Canyon 2 mi n Fort Ross; n of Fort Ross Comment
  POM312928  Tofieldia glutinosa subsp. occidentalis H. L. Mason 1946-7-4 12887 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  RSA94008  Tofieldia glutinosa subsp. occidentalis Peter Rubtzoff 1951-7-1 338 Sonoma Pitkin Marsh, near Forestville; uppermost part of the western branch of the Upper Marsh. Comment
  UCR265119  Tonella tenella Ann Howald 2015-4-1 3317 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 15.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 397 Comment
  UC909775  Torilis arvensis Milo S. Baker June 1950 12277 Sonoma South end of bridge across Sonoma Creek at Baker Ranch near Kenwood. Comment
  UCD160853  Torilis arvensis James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3300 Sonoma Mayacmas Mountains, ca. 1/4 mile south of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC81458  Torreya californica D. E. Breedlove 1983-4-11 58694 Sonoma Pepperwood Ranch W of Knights Valley Comment
  SBBG34159  Torreya californica L. M. Srivastava 1957-11-1 22 Sonoma Hwy 1, ca. 100 yards S of Fort Ross 30 Comment
  UC1011106  Torreya californica Milo S. Baker 1941-8-4 8592 Sonoma Russian Gulch 15 Comment
  CDA35358  Toxicodendron diversilobum G. D. Barbe 1974-4-29 1783 Sonoma 1 mile south of Washington School Road on Asti Road, south of Asti. 0 Comment
  CAS-BOT-BC519553  Triantha occidentalis subsp. occidentalis Peter Rubtzoff 1951-7-28 566 Sonoma Sonoma Comment
  CAS-BOT-BC519555  Triantha occidentalis subsp. occidentalis John Thomas Howell 1945-8-14 21407 Sonoma Sonoma: Perry Marsh 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
  RSA107423  Trichostema laxum L. S. Rose 1955-7-11 55111 Sonoma 2 mi. E. of Occidental. 244 Comment
  SEINET12337136  Trichostema laxum Unknown 1986-1 60286 Sonoma at Lake Co. line, Mayacamas Mts., Pine Mt. fireroad, ca 0.5 mi N of Ida Clayton Rd 747 Comment
  SEINET11993489  Trientalis latifolia F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -201 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 800 Comment
  CAS-BOT-BC173635  Trifolium Peter Rubtzoff; Nancy Harrison 1974-5-26 7469 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC173636  Trifolium Peter Rubtzoff 1974-5-18 7426 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA784999  Trifolium Peter Rubtzoff 1976-5-30 8556 Sonoma Kenwood Marsh Comment
  UCSC006358  Trifolium Randall Morgan 1996-5-30 2980 Sonoma Bodega Bay, Bodega Marine Lab Comment
  OBI12720  Trifolium amoenum Robert F. Hoover 1969-1 Sonoma Comment
  OBI12721  Trifolium amoenum Robert F. Hoover 1969-1 Sonoma Comment
  UCD107142  Trifolium amoenum Enoch Torpen 1940-1 s.n. Sonoma Valley Ford area. Comment
  UC555446  Trifolium barbigerum H. L. Mason 1931-4-12 5843 Sonoma 1.5 mi w Fulton Comment
  JEPS117087  Trifolium barbigerum Peter Warner 2010-4-15 130 Sonoma Jenner Headlands, Sonoma Land Trust property, along primary access road (Willig Ave. Extension), approx. 1 km N of Jenner village, in ultramafic grassland about 25 m E of road. Comment
  UCD33227  Trifolium bifidum Beecher Crampton 1967-5-15 7928 Sonoma Lytton. Comment
  UC1541604  Trifolium bifidum var. bifidum H. E. and S. T. Parks 1930-5-9 612 Sonoma Knights Valley Comment
  UC573316  Trifolium ciliolatum B. Schreiber 1936-3-5 2211 Sonoma 2 mi w Mark West Springs; Healdsburg quad 121 Comment
  UCD108303  Trifolium ciliolatum Patti Togioka; Valerie Bullock 1993-5-8 242 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. Ponygate Trail. 365 Comment
  SEINET10895527  Trifolium depauperatum A. Arthur Heller, H. E. Brown 1902-4-22 Heller s.n. Sonoma Between Santa Rosa and Agua Caliente. Comment
  UC80343  Trifolium depauperatum var. amplectens Michener and Bioletti 1893-1 Sonoma Kenwood Comment
  UC16476  Trifolium depauperatum var. depauperatum W. H. Brewer 1862-4-18 980 Sonoma near Sonoma (in a field) Comment
  UCD165131  Trifolium depauperatum var. depauperatum Peter Rubtzoff; Walter Lennon 1974-5-11 7393 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  POM21428  Trifolium depauperatum var. truncatum A. A. Heller, H. E. Brown 1902-4-8 5229 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UCD108803  Trifolium dichotomum A. A. Heller; H. E. Brown 1902-4-14 5290 Sonoma Near Mark West Springs. Comment
  RSA78622  Trifolium grayi J. T. Howell 1943-5-10 17990 Sonoma 1 mile north of Windsor Comment
  UCD166120  Trifolium hybridum Peter Rubtzoff 1972-6-23 6783 Sonoma Atascadero Creek Marsh. Comment
  UC1784220  Trifolium macraei Milo S. Baker Apr 1932 5914 Sonoma Highway south of Stewart's Point Comment
  UC1177072  Trifolium microcephalum Peter H. Raven 1951-4-22 2782 Sonoma e Agua Caliente (hills) Comment
  CAS-BOT-BC368099  Trifolium microdon Greg de Nevers 1998-5-12 11246 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS81175  Trifolium microdon Edward Lee with W. A. Setchell 1936-6-7 2181 Sonoma at upper limit and just above Redwood forest (Bohemian Grove) Comment
  UC494181  Trifolium microdon H. E. and S. T. Parks 1930-5-9 601 Sonoma Knights Valley Comment
  UC866892  Trifolium microdon A. A. Heller 1902-6-2 Sonoma Santa Rosa Comment
  UCD109175  Trifolium microdon R. Tofsrud 1951-5-20 s.n. Sonoma Huichica School near Sonoma. Comment
  UCD165125  Trifolium subterraneum Peter Rubtzoff 1974-4-17 7373 Sonoma Upper Green Valley Marsh. Comment
  SEINET12165539  Trifolium subterraneum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -194 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  POM18721  Trifolium variegatum var. major D. C. Michener, F. T. Bioletti 1893-05 s.n. Sonoma Kenwood. Comment
  SEINET10577509  Trifolium variegatum var. rostratum Michener MICHENER s.n. Sonoma Kenwood Comment
  UCD33092  Trifolium willdenovii Beecher Crampton 1966-5-10 7722 Sonoma Sonoma County, ca. 2 miles west of Fulton along River Road. Comment
  SD40319  Trifolium wormskioldii Edith A. Purer 1932-7-24 4090 Sonoma Near Bridge Bay Comment
  RSA216157  Triglochin maritima Peter Rubtzoff 1955-8-6 2023 Sonoma Lower Salmon Creek Marsh Comment
  JEPS76933  Trillium ovatum Robert M. Lloyd 1963-2-24 2045 Sonoma abandoned picnic ground 0.5 mi. n. of Occidental on rd. to Camp Meeks 45 Comment
  SEINET5083020  Trillium ovatum Unknown 1994-4-3 70 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  SEINET3888776  Trillium ovatum D. W. McNeal 1976-4-3 1883 Sonoma Beside the Occidental-Monte Rio Rd., 3.0 mi. n. of Occidental.; 0 Comment
  CAS-BOT-BC521306  Trillium rivale A. A. Heller; H. E. Brown 1902-3-22 5127 Sonoma West of Sebastopol Comment
  CHSC20133  Triphysaria versicolor subsp. faucibarbata D. Joley 1975-4-24 300 Sonoma Junction of Rainsville and Liberty Rds, Petaluma. Comment
  UC138992  Triphysaria versicolor subsp. faucibarbata J. W. Congdon 1880-6-6 Sonoma Petaluma Comment
  UC194181  Triphysaria versicolor subsp. faucibarbata Michener and Bioletti 1893-6-7 Sonoma Kenwood Comment
  SFV8312  Triphysaria versicolor subsp. faucibarbata R. R. Martin 1968-5-2 13 Sonoma Dry Creek Road, 5 miles north of Healdsburg. Comment
  JEPS15319  Triphysaria versicolor subsp. versicolor A. A. Heller 1928-5-14 15090 Sonoma just e of the town Bodega Comment
  UC1334862  Triphysaria versicolor subsp. versicolor L. D. Thurman 1965-5-3 665 Sonoma on State Highway #1, 2 mi n Bodega Bay; n of Bodega Bay Comment
  UCD93633  Trisetum canescens R. Tofsrud 1941-4-1 157 Sonoma Rhododendron Park. Comment
  JEPS64193  Triteleia hyacinthina Eleanor Armstrong 1932-5-25 512 Sonoma near Mark West Springs 152 Comment
  CAS-BOT-BC522373  Triteleia hyacinthina G. DeNevers; S. Kaza 1981-5-7 974 Sonoma 10510 Old Redwood Hwy. 2 miles NW of Windsor exit from 101, vernal pool meadow, vacant lot by Healdsburg Rent-All Comment
  CAS-BOT-BC522375  Triteleia hyacinthina John Thomas Howell 1945-5-30 20907 Sonoma Pitkin Marsh Comment
  RSA41933  Triteleia hyacinthina H. C. Cantelow 1938-5-1 749 Sonoma Shellville Road about 25 miles north of Ross Comment
  SEINET7042677  Triteleia hyacinthina A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UC421747  Triteleia peduncularis Milo S. Baker May 1899 Sonoma near Kenwood Comment
  CAS-BOT-BC527968  Triteleia peduncularis John Thomas Howell 1935-5-5 12606 Sonoma Low Field near Kenwood Comment
  POM21294  Ulex europaeus A. A. Heller, H. E. Brown 1902-3-22 7308 Sonoma Among Redwood Trees W of Sebastopol Comment
  CAS-BOT-BC91287  Umbellularia californica Aven Nelson; Ruth A. Nelson 1933-5-14 551 Sonoma Kenwood. (Baker's). Comment
  UC1126331  Umbellularia californica C. M. Belshaw 1936-3-7 1551 Sonoma 2 mi s of Occidental 121 Comment
  UCR105437  Urtica dioica subsp. holosericea Peter Rubtzoff 1960-9-17 4566 Sonoma Laguna de Santa Rosa northeast of Graton, near Guerneville Road Comment
  SEINET14053332  Urtica dioica subsp. holosericea Duaccares Ueills 1943-1 Sonoma roadside Comment
  CAS-BOT-BC193980  Vaccinium cespitosum Milo S. Baker 1939-5-19 9329 Sonoma Marsh on ranch of J.J. Perry, on Gravenstein Highway about one half miles south of Molino west side of road, Twin Pine Ranch Comment
  CAS-BOT-BC199471  Vaccinium parvifolium John Thomas Howell 1930-7-27 5395 Sonoma 1 mile north of Fort Ross Comment
  RSA471153  Vaccinium parvifolium Christopher Davidson 1977-6-20 6031 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  RSA471155  Vaccinium parvifolium H. L. Bauer 355 Sonoma Big Basin Comment
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Sep 18 2012
  UC754368  Vaccinium parvifolium Ira L. Wiggins 1948-3-21 11617 Sonoma At western margin of Kruse Rhododendron State Park Comment
  JEPS78949  Vancouveria planipetala Edward Lee 1936-6-8 2218 Sonoma Smith Creek Road Bohemian Grove Comment
  UCR23387  Vancouveria planipetala John C. Roos 1957-7-2 6647 Sonoma Miller Ridge Comment
  CAS-BOT-BC135763  Veratrum fimbriatum Alice S. M. McKenzie 1974-10-28 s.n. Sonoma Salt Point State Park - Coast between Russian and Gualala Rivers Comment
  CAS-BOT-BC135765  Veratrum fimbriatum John Thomas Howell 1931-9-26 8094 Sonoma 7 miles north of Fort Ross Comment
  CAS-BOT-BC135766  Veratrum fimbriatum Hugh Leech 1964-10-12 s.n. Sonoma Confluence of Gualala River and Wheatfield Branch 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-BC164069  Verbascum Peter Rubtzoff 1962-8-24 5070 Sonoma Fife Creek Marsh Comment
  CDA15998  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15678 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. with benches above. Comment
  UCD124726  Verbascum thapsus K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  CDA5686  Verbena bonariensis var. conglomerata Anita Noldeke 1961-5-14 Sonoma Sebastopol. 0 Comment
  CAS-BOT-BC157663  Veronica Peter Rubtzoff 1962-5-6 4809 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC262795  Veronica Peter Rubtzoff 1974-9-7 7869 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  CAS-BOT-BC262796  Veronica Peter Rubtzoff; Nancy Harrison 1974-9-7 7868 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  UCD166211  Veronica Peter Rubtzoff 1970-4-19 6211 Sonoma Forest Hills, 5.5 mi. east of Guerneville at 9981 Old River Road. Comment
  CAS-BOT-BC166807  Veronica americana Peter Rubtzoff 1958-6-1 3694 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  RSA783733  Veronica americana Peter Rubtzoff 1960-6-9 4481 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  RSA0021066  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1969-5-11 6037 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road. Comment
  UC1101486  Veronica scutellata Malcolm A. Nobs, S. Galen Smith 1949-8-1 1107 Sonoma 2 mi e of Stewart's Point (on road to Geyserville) Comment
  UC353801  Veronica scutellata Milo S. Baker 1928-4-28 3006 a Sonoma Pitkin Swamp Comment
  CAS-BOT-BC267245  Viburnum ellipticum D. E. Breedlove 1980-6-27 44777 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC267246  Viburnum ellipticum Greg de Nevers 1987-5-11 8177 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  JEPS12695  Viburnum ellipticum Miss R. Kuhn May 1914 Sonoma Sonoma Comment
  UCR255736  Vicia benghalensis Greg de Nevers 1998-8-25 11307 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; along road to Weimar Flat 400 Comment
  SEINET4965652  Vicia gigantea Unknown 1994-4-3 69 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; vicinity of Sea Ranch Airstrip Comment
  UCR254843  Vicia gigantea Greg de Nevers 1998-3-14 11147 Sonoma Duncans Landing Beach, north of Bodega bay 0 Comment
  CAS-BOT-BC366858  Vicia lathyroides Greg de Nevers 1998-3-28 11149 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA51333  Vicia sativa Peter H. Raven 1950-4-6 1585 Sonoma Cotati to Santa Rosa Comment
  UCR254854  Vicia tetrasperma Greg de Nevers 1993-7-4 10471 Sonoma Willow Creek drainage downhill from 18375 Willow Creek Road [Occidental] 244 Comment
  CAS-BOT-BC270248  Viola adunca Peter Rubtzoff 1977-11-26 9147 Sonoma On E side of Highway 1 ca 1.5 miles NW of junction of the road to Fort Ross State Historic Park Comment
  UC1761569  Viola douglasii Helen Von Grafen 1927-3-25 Sonoma Santa Rosa golf course Comment
  CAS-BOT-BC536902  Viola glabella Volney Rattan 1880-4-1 s.n. Sonoma Duncans Mill Comment
  CAS-BOT-BC536963  Viola lobata Mrs. C. A. Burlingame 1921-4-1 s.n. Sonoma Sonoma Comment
  UC19289  Viola lobata subsp. lobata F. P. McLean May 1872 Sonoma woods near Geyser Comment
  UC1761634  Viola pedunculata Miss Bumbaugh 1898-3-15 Sonoma near Sebastopol Comment
  UC1762572  Viola sempervirens Milo S. Baker 1898-4-4 5546 Sonoma roadside between Cazadero and Sea View Comment
  SEINET12230473  Viscum album H. K. Wagnon 1989-1 1850 Sonoma from a broken-off plant at the base of a large tree, Luther Burbank Farm, Sbastopol Comment
  UC1393644  Viscum album W. J. Ferlatte and William O. McCartney 1970-12-22 1326 Sonoma Sebastopol; 525 Main Street Comment
  UC1541477  Vitis californica H. E. and S. T. Parks 1930-8-20 693 Sonoma Maacama Creek Comment
  UCD58728  Vitis californica Eric Wada 2006-9-3 RR 3 Sonoma On Westside Road between Healdsburg and Guerneville. North bank of Russian River 18 Comment
  RSA0121714  Vitis californica Lewis S. Rose 1968-6-25 68115 Sonoma Rincon Ridge, NE of Santa Rosa. 122 Comment
  SEINET10691477  Vitis californica John H. Redfield 1872-8-26 Redfield 1106 Sonoma Geysers Comment
  UCD60314  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma On highway near Hilton, 2 miles E of Korbel on Russian River. Comment
  CAS-BOT-BC199970  Vulpia microstachys var. ciliata John Thomas Howell 1948-4-18 24205 Sonoma Hills east of Aqua Caliente Comment
  UCD93733  Vulpia microstachys var. ciliata A. A. Beetle; G. L. Stebbins 1942-6-4 3586 Sonoma near Occidental. Comment
  CAS-BOT-BC185827  Vulpia myuros subsp. megalura Milo S. Baker 1942-5-27 10383 Sonoma Summit between Napa Valley and Sonoma County Comment
  UC903742  Vulpia myuros var. hirsuta Milo S. Baker 1947-5-5 11725 Sonoma s slope Hood Mt. (above Baker ranch) 213 Comment
  CAS-BOT-BC128701  Whipplea modesta Volney Rattan 1877-6-12 s.n. Sonoma Guerneville Comment
  UCD160300  Whipplea modesta James A. Neilson Jr. 1975-5-17 3195 Sonoma Robert Louis Stevenson State Park, Mt. St. Helena. (Exact location unknown. Elevation and coordinates estimated by label maker based on Neilson 3193.) 1165 Comment
  SEINET12217290  Whipplea modesta F. H. Utech 1988-1 88 -185 Sonoma 0.15 mi SE from East Avenue junction with Bohemian Road on latter enroute to Occidental 140 Comment
  SEINET8729185 Image available Whipplea modesta Martha Meagher 1947-1 101 Sonoma On county road one-half mile west of Freezeout Creek across Russian River from Duncan's Mills Comment
  UCD166181  Wolffiella Peter Rubtzoff 1969-7-13 6112 Sonoma Pond 5.25 mi northeast of Penngrove near Lichau Road. 427 Comment
  CAS-BOT-BC73582  Woodwardia fimbriata Peter Rubtzoff 1960-6-11 4501 Sonoma Luguna Santa Rosa area east of Graton between Occidental and Guerneville roads. Comment
  UCD136111  Woodwardia fimbriata Frederica Bowcutt 1994-6-24 1892 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. Vista Trail about 1/4 way from Bald Mountain Trail to Headwaters Trail. 554 Comment
  CAS-BOT-BC383264  Wyethia angustifolia Greg de Nevers 1987-4-25 8155 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  SBBG36546  Wyethia angustifolia H. and M. Dearing 1933-5-14 2359 Sonoma Cloverdale Comment
  UCD160978  Wyethia angustifolia James A. Neilson Jr. 1975-7-8 3410 Sonoma Mayacmas Mountains. Socrates Mine. (Elevation and coordinates estimated by label maker.) 914 Comment