Search Results — 2000 specimen records retrieved (1277 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA0025741  Abronia latifolia J. R. Bruff 1936-07 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC203227  Abutilon Peter Rubtzoff 1972-5-25 6754 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC371439  Abutilon theophrasti Greg de Nevers 1997-9-10 11087 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Road at Mark West Springs Road 400 Comment
  UCD136861  Acaena pinnatifida var. californica Javier Jauregui L.; Dan Potter 2013-6-28 1 Sonoma Santa Rosa. 7806 Bennett Valley Road. 210 Comment
  UCD137235  Acaena pinnatifida var. californica Javier Jauregui L.; Dan Potter 2013-6-28 1 Sonoma Santa Rosa. 7806 Bennett Valley Road. 210 Comment
  UC18117  Acer macrophyllum J. Burtt Davy 1894-12-9 866 Sonoma Kenwood Comment
  RSA129916  Acer negundo subsp. californicum Peter H. Raven 1950-4-6 1589 Sonoma Santa Rosa 152 Comment
  RSA264692  Acer negundo subsp. californicum Peter Rubtzoff 1970-8-31 6347 Sonoma Bank of Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  CHSC10154  Acer negundo var. californicum Martha Meagher 1947-3-22 99 Sonoma County road one-half mile west of Freezeout Creek, across Russian River from Duncan's Mills. Roadside near river bed. Comment
  CAS-BOT-BC30078  Achillea millefolium A. A. Heller; H. E. Brown 1902-4-17 5317 Sonoma Hills at Santa Rosa Comment
  CAS-BOT-BC30079  Achillea millefolium D. E. Breedlove 1962-6-6 2894 Sonoma along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC400007  Achlys triphylla Greg de Nevers; Susan Charnley 1987-3-28 8129 Sonoma Sea Ranch, along the Gualala River 20 Comment
  CAS-BOT-BC166797  Achyrachaena mollis Peter Rubtzoff 1974-5-18 7425 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC29165  Achyrachaena mollis F. Almeda; G. DeNevers 1981-4-28 4913 Sonoma Pepperwood Ranch, vicinity of Bechtel Cabin Comment
  UCD104198  Acmispon grandiflorus var. grandiflorus P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UCD128526  Adenocaulon bicolor K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC9074  Aegilops triuncialis Thomas C. Fuller 1960-6-14 4485 Sonoma James Black property, River Road, ca. 6 mi. E/Cloverdale Comment
  CDA1668  Aegilops triuncialis T. C. Fuller 1960-6-14 4484 Sonoma Weeks Ranch, Los Alamos Rd., ca. 8 miles NE/ Santa Rosa 0 Comment
  UCD136676  Aesculus californica Frederica Bowcutt 1994-6-12 1865 Sonoma Sugarloaf Ridge State Park. about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 1.5 air miles north of Kenwood, and 18 air mles NW of Napa. Adobe Canyon north of Sonoma Creek, north of Adobe Canyon Road, About 50 yards N. of Pony Gate trail juncture. 432 Comment
  UCSC005106  Aesculus californica Lulu Waks 2006-10-15 16 Sonoma Bloomfield, Bloomfield Rd. to Sutton St. Private residence on Sutton St. Comment
  UCD165164  Agoseris Peter Rubtzoff 1974-5-26 7470 Sonoma Vernal pool on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  UCD128435  Agoseris grandiflora Frederica Bowcutt 1994-6-12 1864 Sonoma Sugarloaf Ridge State Park. about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 1.5 air miles north of Kenwood, and 18 air mles NW of Napa. Adobe Canyon north of Sonoma Creek, north of Adobe Canyon Road, About 50 yards N. of Pony Gate trail juncture. 432 Comment
  JEPS128206  Agoseris heterophylla Roger Raiche 2000-4-23 041 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET7096764  Agoseris heterophylla A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley NAD27, 38? deg. 24' 31ao, -122?_ 37' 52ao (converted to WGS84 decimal degrees) UTM Zone 10, 532220mE, 4251005mN. Comment
  CAS-BOT-BC13167  Agoseris hirsuta John Thomas Howell 1930-6-8 5268 Sonoma North end of Bodega Bay Comment
  CAS-BOT-BC210010  Agrostis Peter Rubtzoff 1973-8-27 7263 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC376232  Agrostis Greg de Nevers 1992-6-26 10210 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  RSA785903  Agrostis Peter Rubtzoff 1964-6-24 5368 Sonoma Lower Salmon Creek Comment
  RSA0022419  Agrostis Peter Rubtzoff 1970-9-3 6377 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  SEINET10915785  Agrostis P. Rubtzoff 1964-6-24 Rubtzoff 5368 Sonoma Lower Salmon Creek Marsh. Comment
  UCD37158  Agrostis blasdalei Beecher Crampton 1957-7-11 4352 Sonoma Sonoma County, 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. 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
  SEINET7297568 Image available Agrostis blasdalei Beecher Crampton 1957-1 4345 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek Comment
  CAS-BOT-BC127484  Agrostis capillaris Milo S. Baker 1944-7-29 10878 Sonoma Brookside Garden, near Kenwood. Comment
  UCD51890  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach. Comment
  UCD51895  Agrostis densiflora Beecher Crampton 1957-7-22 4377 Sonoma 1.5 miles south of Stewart's Point. Comment
  UCD51896  Agrostis densiflora Beecher Crampton 1957-7-22 4391 Sonoma 11.1 miles south of Stewart's Point, above Stillwater Cove. 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-BC126962  Agrostis exarata G. DeNevers 1981-6-20 1590 Sonoma Pepperwood Ranch. Confluence of Mark West Creek and Leslie Creek. Along Leslie Creek bed. Comment
  CAS-BOT-BC126972  Agrostis exarata G. DeNevers 1981-5-23 1288 Sonoma Pepperwood Ranch. Lower Pepperwood entrance. BLM. Comment
  SD180634  Agrostis exarata Beecher Crampton 1964-8-18 7150 Sonoma Northeast Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. Ao mile east of Geyser Resort area, Big Sulfur Creek. Comment
  UC1146692  Agrostis exarata Freed W. Hoffman 1943-10-2 2171 Sonoma on Ross Road near Graton; North Coast Ranges Comment
  SEINET10790020  Agrostis exarata A. Arthur Heller 1902-6-27 Heller 5779 Sonoma West of Windsor near Russian river. Comment
  SEINET7593690 Image available Agrostis exarata A. S. Hitchcock 1908-1 2690 Sonoma Willits Comment
  UC1011207  Agrostis hallii Virginia Bufford 1936-5-21 370 Sonoma near Skaggs Springs Comment
  UCD52701  Agrostis hallii Beecher Crampton 1955-6-17 2958 Sonoma 6 miles west of Cazadero, road to Fort Ross. Comment
  UCD84282  Agrostis microphylla Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 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
  JEPS128360  Agrostis pallens Roger Raiche 2000-6-4 131 .00 Sonoma The Cedars, Gateway Parcel at Christi Camp, Lower Russian River, Big Austin Creek watershed. Comment
  UCD53178  Agrostis pallens P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UCD53195  Agrostis pallens P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCD53593  Agrostis stolonifera Mary M. Hektner 1974-6-28 80 Sonoma 6 feet north of Breaker Reach, Unit 21 Owners' Map, Sea Ranch, nera State Highway 1. Comment
  UCD55780  Aira caryophyllea Chris Bowen 1976-5-18 126 Sonoma Unit 24 Owners' Map. Sea Ranch. Near State Highway 1. Comment
  SEINET3917482  Aira praecox Fred W. Hoffman 1944-5-22 1992 Sonoma Cruz Ranch, Sonoma Coast near shore.; 0 Comment
  CAS-BOT-BC154999  Alisma lanceolatum Peter Rubtzoff 1970-8-18 6303 Sonoma Five miles north of Sears Point Comment
  CAS-BOT-BC445331  Alisma lanceolatum Peter Rubtzoff 1963-7-14 5200 Sonoma Laguna de Santa Rosa east of Graton. Comment
  SEINET3896060  Alisma lanceolatum Peter Rubtzoff 1954-8-2 1627 Sonoma Austin Creek Marsh.; 0 Comment
  CAS-BOT-BC445460  Alisma triviale Peter Rubtzoff 1951-7-28 565 Sonoma Pitkin Marsh, near Forestville.Lower part of the Upper Marsh Comment
  CAS-BOT-BC445470  Alisma triviale Peter Rubtzoff 1954-6-20 1510 Sonoma Guerneville Marsh. Comment
  RSA0051269  Allium Greg de Nevers 1993-5-17 10450 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Devil's Kitchen east of 3865 Franz Valley Road. 100 Comment
  SEINET7852114  Allium Unknown 1974-1 6432 Sonoma Salmon Creek, Pacific coastal area. Ca. 1 at Duncan Point along living, rocky coastal cliffs. Comment
  UC3104  Allium dichlamydeum Harley P. Chandler 1900-5-25 718 Sonoma Bodega Bay Comment
  UCD150551  Allium dichlamydeum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-1 s.n. Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC474311  Allium unifolium Peter Rubtzoff 1962-5-30 4852 Sonoma Freestone Marsh Comment
  CAS-BOT-BC478830  Allium vineale Greg de Nevers 1994-6-29 10527 Sonoma On road below Red Corral, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 457 Comment
  UCR244613  Alnus oregana Peter Rubtzoff 1966-11-9 5836 Sonoma Along Salmon Creek, near Freestone Comment
  CAS-BOT-BC251207  Alnus rhombifolia Peter Rubtzoff 1960-6-11 4504 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  RSA262221  Alopecurus saccatus Peter Rubtzoff 1969-5-24 6066 Sonoma 6.5 mi. northeast of Penngrove, on Lichau Road. 427 Comment
  UCR261632  Alopecurus saccatus Ann Howald 2003-5-15 2335 Sonoma Inner North Coast Ranges, Sonoma Mountains, south end, upper east slope, c. 0.1 mile south of Rodgers Creek 205 Comment
  RSA90495  Amaranthus blitoides Milo S. Baker 1954-09 13035 Sonoma Rotherts Garden, Maplewood Comment
  RSA105447  Amaranthus powellii Leo Koch 1938-10-20 324 Sonoma S.R.J.C. campus field along Highway 101, Santa Rosa Comment
  POM223643  Amaranthus retroflexus L. S. Rose 1935-9-11 35625 Sonoma 2 mi N of Healdsburg 40 Comment
  UCD128775  Ambrosia chamissonis Mary M. Hektner 1974-7-20 154 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owners' Map. Comment
  JEPS117084  Amelanchier alnifolia var. semiintegrifolia Peter Warner 2010-4-15 133 Sonoma Jenner Headlands, Sonoma Land Trust property, ~ 300 m E of primary access road (Willig Ave. extension), at corral gate near house, ~ 1 km N of Jenner village, on rock outcrop in grassland. Comment
  RSA177975  Amelanchier pallida Robert F. Thorne 1965-4-19 34302 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UCD148462  Ammannia robusta Peter Rubtzoff 1963-8-24 5238 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC137883  Ammophila arenaria W. M. Hiesey 1945-9-21 s.n. Sonoma Bodega sand dunes. 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-BC177231  Amorpha californica var. napensis Brandegee 1893-7-1 s.n. Sonoma Cazadero Comment
  RSA0089978  Amsinckia helleri J. T. Howell 1948-4-18 24208 Sonoma Hills east of Agua Caliente. Comment
  UCD119719  Amsinckia lycopsoides K. Esau 1932-2-28 s.n. Sonoma Petaluma. Comment
  UC909757  Amsinckia menziesii var. menziesii Milo S. Baker Apr. 1950 12161 Sonoma Montgomery Drive on old R.R. fill w of Mellita Comment
  UC1084547  Amsinckia spectabilis Peter Kamb 1952-5-30 2300 Sonoma n of Bodega Head (dunes between Bodega Harbor and the ocean) 6 Comment
  RSA0089704  Amsinckia vestita Amos Arthur Heller 1940-4-22 15547 Sonoma Anderson Valley. Comment
  UCD117551  Anagallis arvensis Rene Westbrook 1976-4-15 16 Sonoma California: Bodega Head. Comment
  UCD128838  Anaphalis margaritacea Mary M. Hektner 1976-9-16 270 Sonoma below west half of Yardarm Drive, Unit 15 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD56042  Andropogon glomeratus Freed W. Hoffman 1943-6-17 s.n. Sonoma Guerneville. Comment
  CAS-BOT-BC137789  Andropogon virginicus var. virginicus Peter Rubtzoff 1951-9-15 754 Sonoma Pitkin Marsh, near Forestville. Area Separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC221431  Angelica hendersonii Walter Knight; Irja Knight 1963-8-13 166 Sonoma Horseshoe Cove 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
  UC1299243  Angelica tomentosa Freed W. Hoffman September 1947 1388 Sonoma near Guerneville (North Coast Ranges, Quicksilver Mines); North Coast Ranges, Quicksilver Mines Comment
  SBBG21185  Anthemis cotula V. Haraden 1941-7-13 7 Sonoma ca. 1 mi N of the head of Bodega Bay Comment
  UCD129069  Anthemis cotula Charles B. Heiser Jr. 1946-8-17 1827 Sonoma Banks of Russian River, near Duncan Mills. Comment
  CAS-BOT-BC137766  Anthoxanthum aristatum G. DeNevers 1982-5-2 1971 Sonoma Pepperwood Ranch. Along manzanita trail just before the tunnel. Comment
  CAS-BOT-BC488329  Anthoxanthum aristatum subsp. aristatum Ayzik Solomeshch 2009-5-14 s.n. Sonoma 2.3 km SE of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1 Comment
  CAS-BOT-BC280662  Anthoxanthum occidentale Roxana S. Ferris; Laura Lorraine 1961-6-14 13538 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  UCD85329  Anthoxanthum occidentale Collector Unknown 1941-3-1 s.n. Sonoma Garden in S. R. (Bud's) Comment
  UCD56233  Anthoxanthum odoratum G. F. Hrusa; G. L. Stebbins 1994-3-28 11707 Sonoma Fisk Mill Parking Area, Salt Point State Park. 7 Comment
  UC421606  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum John Thomas Howell 1929-6-30 4319 Sonoma 4 mi from Petrified Forest (on road to Knights Valley) Comment
  UCD126297  Apiastrum angustifolium Frederica Bowcutt 1996-5-19 2126 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 N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon firebreak (narrow) btw. lower Bald Mtn. and Bald Mt. Trail. 487 Comment
  UC921201  Apocynum androsaemifolium Milo S. Baker 1939-5-19 9334 Sonoma Gravenstein Hwy. a mile or two s. of Sousa's Cornera Comment
  UCD128214  Aralia californica K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  UCD128215  Aralia californica K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  SEINET7258081  Arbutus menziesii L. Fallon 1939-1-2 s.n. Sonoma 10 miles west of Guerneville Comment
  SEINET7258086  Arbutus menziesii L. Fallon 1939-1-2 s.n. Sonoma 15 miles west of Santa Rosa Comment
  UC1388321  Arctostaphylos Freed W. Hoffman 1947-8-9 1430 Sonoma 7 mi nw Cazadero (Hoffman Trail to Devil's Ribs); North Coast Ranges Comment
  CAS-BOT-BC24125  Arctostaphylos bakeri Roger Raiche 1985-9-29 50899 Sonoma NE end of town of Healdsburg on Reservoir Hill. 121 Comment
  RSA164630  Arctostaphylos bakeri subsp. bakeri Percy C. Everett 1963-11-21 24566 Sonoma Harrison Grade, northeast of Occidental. 76 Comment
  RSA178031  Arctostaphylos bakeri subsp. bakeri R. F. Thorne 1965-4-19 34283 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UCD50474  Arctostaphylos bakeri subsp. bakeri Roman Gankin; W. R. Hildreth 1967-10-4 1074 Sonoma Harrison Grade Road, near summit, east of Occidental. Comment
  UCD162183  Arctostaphylos canescens D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1521 Sonoma Hooker Creek watershed. 520 Comment
  UCD50522  Arctostaphylos canescens Frederica Bowcutt 1966-5-19 2135 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along the ridgeline and on the Napa/Sonoma County line, about 1/2 air miles E of Bald Mtn. Gray Piine Trail. 731 Comment
  UCD51489  Arctostaphylos canescens Beecher Crampton 1960-5-17 5541 Sonoma 4.5 miles east of Glen Ellen; Trinity Road. Comment
  UCSB4717  Arctostaphylos canescens Keator, Glenn 1959-4-2 Sonoma Mt. St. Helena, 9.1 miles north of Calistoga 762 Comment
  CAS-BOT-BC23970  Arctostaphylos canescens subsp. canescens Mrs. H. C. Cantelow 1940-4-6 3781 Sonoma On Triniti road w. of Boyes Spring Comment
  CAS-BOT-BC23973  Arctostaphylos canescens subsp. canescens Walter Knight; Irja Knight 1964-1-17 520 Sonoma Hooker Canyon, Cloverdale Rd. Comment
Read comments
Apr 11 2019
  POM230312  Arctostaphylos canescens subsp. canescens J. T. Howell 1937-4-11 12894 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  UCD55064  Arctostaphylos canescens subsp. canescens Ellen Dean; California Department of Forestry Personnel 2006-4-26 3002 Sonoma Top of Mt. St. Helena. 1319 Comment
  CAS-BOT-BC23889  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1933-4-2 10943 Sonoma Rincon Ridge near Santa Rosa Comment
  CAS-BOT-BC23895  Arctostaphylos canescens subsp. sonomensis H. F. Copeland 1933-3-18 A 12 Sonoma Rincon Ridge, north of Santa Rosa Comment
  UC549708  Arctostaphylos canescens subsp. sonomensis J. E. Adams 1935-3-1 1023 Sonoma e Sta. Rosa; Rincon Ridge Comment
  UC549709  Arctostaphylos canescens subsp. sonomensis J. E. Adams 1935-3-1 1024 Sonoma e Sta. Rosa; Rincon Ridge Comment
  SEINET11984865  Arctostaphylos canescens var. sonomensis R. Gankin, Hildreth, W. R.; Milam, K. 1965-1 517 Sonoma 0.2 mi on Rockridge Lane on Montecito Rd, on Sones Property, Rincon Ridge, Santa Rosa Comment
  UC549697  Arctostaphylos columbiana J. E. Adams 1935-3-28 734 Sonoma seven mi n Fort Ross Comment
  UCD50753  Arctostaphylos columbiana Roman Gankin; W. R. Hildreth and Ken Milam 1965-4-13 496 Sonoma 0.1 mile north of Timber Cove, east of State Highway 1. Comment
  CAS-BOT-BC24978  Arctostaphylos densiflora J. Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4078 Sonoma Originally collected in Vine Hill District, near Sebastopol. Comment
  CAS-BOT-BC24979  Arctostaphylos densiflora Walter Knight; Irja Knight; Elizabeth McClintock; J. Sigg 1981-3-25 4037 Sonoma Originally collected in Vine Hill District, near Sebastopol. Comment
  CAS-BOT-BC25012  Arctostaphylos densiflora J. Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4083 Sonoma Originally from Vine Hill area near Sebastopol. Comment
  RSA88338  Arctostaphylos densiflora J. T. Howell 1933-4-2 10948 Sonoma 8 miles west 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
  SEINET11987167  Arctostaphylos densiflora J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4078 Sonoma Strybing Arboretum, Golden Gate Park, San Francisco, via Coulter's Nursery, from Vine Hill District, Comment
  JEPS83504  Arctostaphylos glandulosa Jack and Betty Guggolz 1986-3-8 854 Sonoma ne side of Rockpile Rd. 9.1-9.3 mi from jnt. Stewart's Point Rd. (ca 15 mi nw of Healdsburg) 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-BC23281  Arctostaphylos glandulosa subsp. cushingiana Walter Knight; Irja Knight 1963-9-1 261 Sonoma Pine Mt. Rd., NE Cloverdale, Harold Smith Ranch. Comment
  RSA631182  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24729 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA631192  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24733 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  OBI14711  Arctostaphylos glandulosa subsp. glandulosa H. E. McMinn 1936-4-5 4375 Sonoma About 2 mi N of Occidental Comment
  UC1388309  Arctostaphylos glandulosa subsp. glandulosa Freed W. Hoffman 1947-4-3 673 Sonoma near Healdsburg (headwaters of creek, branch of Russian River and Mill Creek); North Coast Ranges, Wild Hog Ridge, Palmer Creek Comment
  UC549392  Arctostaphylos glandulosa subsp. glandulosa J. E. Adams 1934-3-28 726 Sonoma five mi n Cazadero Comment
  RSA631187  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24725 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CDA10854  Arctostaphylos glandulosa var. cushingiana G. F. Hrusa, G. L. Stebbins 1994-4-8 11730 Sonoma North Coast Biodiversity Arena; N facing slope at Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  RSA631197  Arctostaphylos glandulosa var. cushingiana Jon E. Keeley 1993-9-11 24731 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  JEPS83505  Arctostaphylos hispidula Jack and Betty Guggolz 1986-3-8 853 Sonoma ca 15 mi nw Healdsburg (9.1-9.3 mi from jnt. Stewart's Point Rd. and Rockpile Rd. on Rockpile Rd. ne side) Comment
  UCD59421  Arctostaphylos hispidula Roger Raiche 1984-1-14 RR 40016 Sonoma Rockpile Road, 9.1 miles northwest of its intersection and beginning at Stewarts Point-Skaggs Springs Road. 502 Comment
  CDA12042  Arctostaphylos manzanita G. F. Hrusa 1990-1-2 7347 Sonoma North Coast Biodiversity Arena; Hogback Mtn., approx. 4 km. NE of Sonoma. Comment
  LA42192  Arctostaphylos manzanita H. F. Copeland; 1933-3-18 A 1 Sonoma Spring Mountain Road, about 8 mi. E of Santa Rosa Comment
  RSA633054  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27491 Sonoma Highway 116 west of intersection with Occidental Road, west of Sabastopol. 75 Comment
  RSA633055  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27493 Sonoma Highway 116 west of intersection with Occidental Road, west of Sabastopol. 75 Comment
  RSA633064  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24710 Sonoma Along Calistoga Road, 19 km southwest of Highway 128. 220 Comment
  OBI14641  Arctostaphylos manzanita Robert F. Hoover 1963-1-12 8548 Sonoma Triniti rd, Hoods Peak Range Comment
  RSA633056  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27490 Sonoma Stewarts Road ca. 3 km west of Forestville. 120 Comment
Read comments
Feb 21 2013
  RSA96663  Arctostaphylos manzanita P. C. Everett, E. K. Balls 1954-10-20 20374 Sonoma steep, dry, open slopes, 3.2 mi. S of Lake-Sonoma Co. line on road from Middletown to Mt. St. Helena. 671 Comment
  SEINET11977790  Arctostaphylos manzanita C. M. Belshaw 1936-1 1576 Sonoma Rincon Ridge, 1.5 mi N of county farm 152 Comment
  SEINET11990961  Arctostaphylos manzanita Unknown 1983-1 30499 D Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11990967  Arctostaphylos manzanita Unknown 1983-1 30499 J Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11998387  Arctostaphylos manzanita W. Knight, Knight, I. 1990-1 6577 Sonoma near jct of Old Quarry Rd near county refuse disposal site, extends along road for 0.5 mile 191 Comment
  UCD51921  Arctostaphylos manzanita John M. Tucker 1977-6-16 4393 Sonoma On Shurtleff Ranch off Chalk Hill Road to the east; ca. 4 miles (airline) northeast of East Windsor (or ca. 10 miles, airline, north-northwest of Santa Rosa). 121 Comment
  SEINET11977793  Arctostaphylos manzanita subsp. bakeri L. S. Rose 1934-1 34032 Sonoma 2 M. E. of Occidental Comment
  SEINET11993704  Arctostaphylos manzanita subsp. bakeri Unknown 1985-1 50899 Sonoma NE end of town of Healdsburg on Reservoir Hill 122 Comment
  CAS-BOT-BC38908  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11298 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38909  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11299 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38944  Arctostaphylos manzanita subsp. elegans Walter Knight; Irja Knight 1963-9-1 260 Sonoma Pine Mt. Road NE of Cloverdale, Harold Smith Ranch Comment
  UC674748  Arctostaphylos manzanita subsp. elegans E. A. Goldman 1907-12-29 71 Sonoma Mt. St. Helena 1219 Comment
  OBI70632  Arctostaphylos manzanita subsp. glaucescens Larry E. Brown 1997-8-12 20797 Sonoma E of hwy 101 off of village ofAsti S of Cloverdale Comment
  SEINET11994915  Arctostaphylos manzanita subsp. glaucescens W. Knight, Knight, I. 1987-1 6083 Sonoma Pepperwood Preserve, Garrison Canyon 122 Comment
  CAS-BOT-BC38685  Arctostaphylos manzanita subsp. manzanita Alice Griffin 1923-1-1 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC38704  Arctostaphylos manzanita subsp. manzanita A. A. Heller; H. E. Brown 1902-3-20 5107 Sonoma Near Windsor Comment
  CAS-BOT-BC38721  Arctostaphylos manzanita subsp. manzanita A. A. Heller; H. E. Brown 1902-3-31 5194 Sonoma Mt. hood Comment
  CAS-BOT-BC38748  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1906-8-26 s.n. Sonoma Knights Valley (NW of Calistoga) Comment
  CAS-BOT-BC38749  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-28 727 Sonoma 4 or 5 mi from Seaview, Cazadera Rd. Comment
  SBBG83716  Arctostaphylos manzanita subsp. manzanita D. Koutnik, M. Barbercheck 1981-6-18 Sonoma Austin Crk St Recreation Area about 4 mi N of Guerneville. 487 Comment
  UC1281098  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1936-4-5 4410 Sonoma along road just w Vine Hill School House Comment
  UC674749  Arctostaphylos manzanita subsp. manzanita E. A. Goldman 1907-12-29 75 Sonoma Mt. St. Helena Comment
  UCD52046  Arctostaphylos manzanita subsp. manzanita Christine Lee 1993-4-24 97 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa; south of Sonoma Creek along Hillside Trail. 396 Comment
  UC549423  Arctostaphylos nummularia J. E. Adams 1934-6-9 832 Sonoma near McNamees Store Comment
  JEPS98844  Arctostaphylos stanfordiana unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  JEPS98851  Arctostaphylos stanfordiana James B. Roof 1963-2-28 Sonoma Mt. St. Helena 868 Comment
  SEINET11996223  Arctostaphylos stanfordiana J. T. Vale 1989-1 s.n. Sonoma Cavedale Road 305 Comment
  JEPS98845  Arctostaphylos stanfordiana subsp. decumbens unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  POM367459  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A- 11 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  RSA107836  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1955-3-21 53034 Sonoma Rincon Ridge, 2 mi. NE of Santa Rosa. 152 Comment
  RSA364258  Arctostaphylos stanfordiana subsp. stanfordiana Roger Raiche 1983-9-25 RR- 30733 Sonoma Clipper Mill Bridge, Stewarts Point Road (2.6 miles east on that road from Highway 1). Comment
  SEINET12524560 Image available Arctostaphylos viscida F. W. Hoffman 1946-1 566 Sonoma Layton mine, Austin Creek. Comment
  SEINET14196753  Aristida oligantha G. de Nevers 1987-1 8234 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC400483  Aristolochia californica A. A. Heller; H. E. Brown 1902-3-12 5042 Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  CAS-BOT-BC400484  Aristolochia californica F. Almeda; G. DeNevers 1981-3-30 4875 Sonoma Pepperwood Ranch. Along road to the Garrison Cabin at the SW sector of the ranch Comment
  SEINET11262973  Aristolochia californica James Faro 1962-4-22 5 Sonoma South side of Lake Ralphine in Santa Rosa.; 0 Comment
  SEINET9295356  Aristolochia californica John Nelson, Wnek, R. 2000-3-8 20952 Sonoma Abundantly draped from Umbellularia; S side of River Rd. (=Hwy 116) near Levereau Cr on W side of Guerneville. AC Moore Herbarium (USCH) Univ of S. Carolina Comment
  CAS-BOT-BC64590  Armeria maritima subsp. californica John H. Thomas 1976-6-15 18288 Sonoma S. end of the Sea Ranch, northwestern part of county, about 7 mi. s. of Gualala. 30 Comment
  JEPS26347  Armeria maritima subsp. californica W. L. Jepson 1931-7-19 15944 Sonoma Salmon Creek; sea-bluffs Comment
  UC157687  Armeria maritima subsp. californica Milo S. Baker Apr. 1899 Sonoma Dillon's Beach Comment
  UCD14373  Armeria maritima subsp. californica L. Coats 1983-5-17 25 Sonoma Sonoma Co., along Highway 1, 4.3 miles north of Salt Point State Park; 21 Comment
  SEINET7249680 Image available Armeria maritima var. californica Michelle Yeargan 1973-1 Y 080 Sonoma Bluff on coast, 1 mile south of Stewart's Point Comment
  RSA0056430  Arnica discoidea Greg de Nevers 1998-6-15 11285 Sonoma CYO Camp on Bohemian Highway. Comment
  CAS-BOT-BC90493  Artemisia douglasiana Peter Rubtzoff 1951-9-2 699 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC90496  Artemisia douglasiana Walter Knight; Irja Knight 1963-9-15 297 Sonoma Los Alamos Rd., Santa Rosa Comment
  JEPS36962  Artemisia douglasiana W. L. Jepson 1931-7-19 15935 Sonoma Watson School Bodega 152 Comment
  CAS-BOT-BC90490  Artemisia douglasiana Mary P. Wells 1982-8-21 s.n. Sonoma Gerstle Cove, Salt Point State Park Comment
  CAS-BOT-BC90497  Artemisia douglasiana Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5856 Sonoma Llano Road near sewage disposal plant at edge of Laguna de Santa Rosa 45 Comment
  RSA791570  Artemisia douglasiana Peter Rubtzoff 1973-8-31 7292 Sonoma Upper Green Valley Marsh area. Comment
  RSA796171  Artemisia douglasiana Peter Rubtzoff 1954-9-6 1743 Sonoma Guerneville Marsh. Comment
  UCSB15414  Artemisia pycnocephala Breedlove, Dennis 1961-12-31 Sonoma At mouth of Russian River 3 Comment
  CAS-BOT-BC400606  Asarum caudatum Peter Rubtzoff 1951-11-24 839 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  UC449992  Asclepias cordifolia Milo S. Baker 1898-7-12 676 Sonoma Geyser Canyon Comment
  UC1197607  Asclepias fascicularis Joseph P. Tracy 1937-8-28 15678 Sonoma Knights Valley; North Coast Ranges 152 Comment
  SEINET10637049  Asclepias fascicularis A. Arthur Heller 1902-6-4 Heller 5643 Sonoma Santa Rosa Comment
  JEPS15217  Asclepias solanoana Rimo Bacigalupi with G. T. Robbins and Freed Hoffman 1956-5-30 5662 Sonoma near Layton Chromite Mine (headwaters of creek, vicinity of The Cedars); Big Austin Creek 266 Comment
  UC1195651  Asclepias solanoana A. R. Kruckeberg 1949-6-4 1762 Sonoma ca 4 mi above Pine Flat (sw of Cobb Mtn.) Comment
  CAS-BOT-BC186824  Astragalus gambelianus Greg de Nevers 1995-6-6 10750 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC186823  Astragalus gambelianus Mrs. C. A. Burlingame 1922-5-1 s.n. Sonoma Sonoma Comment
  CAS-BOT-BC66150  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1952-5-31 1119 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66153  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66156  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66157  Athyrium filix-femina var. cyclosorum John H. Thomas 1976-6-16 18291 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UCD151169  Athysanus pusillus James A. Neilson Jr. 1974-3-27 3021 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  UCD143729  Atriplex leucophylla Mary M. Hektner 1976-12-14 276 Sonoma Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD163888  Avena Peter Rubtzoff 1980-5-26 9450 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  CAS-BOT-BC146136  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa Creek. Comment
  UCD38525  Avena barbata Beecher Crampton 1956-3-13 3227 Sonoma Asti. Comment
  CAS-BOT-BC145722  Avena fatua David L. Morgan 1956-6-15 s.n. Sonoma Approximately 2.5 miles southwest of Petaluma on the San Antonio Road. Comment
  UC34306  Baccharis salicifolia subsp. salicifolia W. C. Blasdale Sonoma Santa Rosa 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
  CAS-BOT-BC16693  Barbarea orthoceras A. A. Heller; H. E. Brown 1902-3-20 5106 Sonoma Near Windsor. Comment
  CAS-BOT-BC16696  Barbarea orthoceras Dorothy Scherer 1996-3-25 018 Sonoma West of Highway 1 and south of Kolmer Gulch, Fort Rose State Historic Park. 12 Comment
  CAS-BOT-BC16697  Barbarea orthoceras Catherine Best 1983-4-16 s.n. Sonoma On the edge of the road parallel to the Bohemian Highway about 1 mile north of Occidental. Comment
  RSA94330  Barbarea orthoceras Peter Rubtzoff 1951-6-9 163 Sonoma Pitkin Marsh, near Forestville; Forest south of the Upper Marsh. Comment
  CAS-BOT-BC145830  Beckmannia syzigachne Hy Edwards 1877-1-1 s.n. Sonoma Knight's Valley. Comment
  POM210240  Beckmannia syzigachne H. P. Bracelin 1930-7-27 20 Sonoma One mile N. of Fort Ross. Comment
  UC535120  Beckmannia syzigachne Mrs. H. P. Bracelin 1930-7-27 20 Sonoma 1 mi n Fort Ross Comment
  UCD56788  Beckmannia syzigachne Hursh 1919-8-14 X 3245 Sonoma Healdsburg. Comment
  SEINET7596631 Image available Beckmannia syzigachne Mrs. H. P. Bracelin 1930-1 20 Sonoma 1 mi. N of Fort Ross Comment
  CAS-BOT-BC106394  Bellis perennis George Syme 1917-4-25 s.n. Sonoma Guerneville Comment
  JEPS97534  Bellis perennis R. D. Stone 1980-11-30 330 Sonoma near landing strip and fire station at Sea ranch Annapolis Rd.; Sea Ranch 91 Comment
  CAS-BOT-BC290706  Bidens frondosa Peter Rubtzoff 1962-9-16 5090 Sonoma Vacation Beach, 1.5 miles below Guerneville along Russian River. Comment
  UCR250393  Bidens frondosa Peter Rubtzoff 1960-9-14 4528 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  SEINET11842881  Bidens frondosa W. Knight, Knight, I. 1984-1 5291 Sonoma Spring Lake, Santa Rosa Comment
  UCD129568  Bidens frondosa F. C. Crawford 1963-9-16 101 Sonoma Petaluma, Brentwood. Apricot Way. Comment
  CAS-BOT-BC290648  Bidens laevis Peter Rubtzoff 1955-11-27 2170 Sonoma Bodega Head Marsh. 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
  JEPS25829  Blennosperma bakeri Wayne Roderick 1961-4-2 Sonoma 0.8 mi n of junction of State Highway 37 and Arnold Drive; on the e side of Arnold Drive Comment
  RSA800149  Blennosperma bakeri Peter Rubtzoff, Nancy Harrison, Walter Lennon 1974-5-11 7391 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CDA10525  Blennosperma bakeri T. C. Fuller 1977-4-21 20200 Sonoma North of the fence of the Church of Christ, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  JEPS7752  Blennosperma nanum var. nanum Peter H. Raven 1954-2-27 6421 Sonoma 3 mi n, Cavedale Road Boyes Springs; Sonoma Valley Comment
  CAS-BOT-BC164674  Boisduvalia Peter Rubtzoff 1972-4-23 6731 Sonoma 4.25 miles W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC154966  Boisduvalia densiflora Peter Rubtzoff 1954-8-4 1653 Sonoma Guerneville Marsh, along the northern border Comment
  CAS-BOT-BC154976  Boisduvalia densiflora Peter Rubtzoff 1960-9-14 4556 Sonoma Laguna de Santa Rosa area NE of Graton (near Laguna Road). Comment
  RSA790867  Boisduvalia densiflora Peter Rubtzoff 1969-7-25 6121 Sonoma 6.5 miles NE of Penngrove, on Lichan Road 427 Comment
  POM32027  Boisduvalia densiflora var. densiflora A. A. Heller 1902-7-8 5820 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC75483  Bolboschoenus glaucus Mary P. Wells 1987-5-20 s.n. Sonoma 0.6 mile north of Gravenstein Highway on Llano Road - under bridge. Comment
  CAS-BOT-BC75486  Bolboschoenus glaucus John Thomas Howell 1987-5-17 s.n. Sonoma Llano Road Marsh. Comment
  CAS-BOT-BC290549  Bolboschoenus maritimus subsp. paludosus Peter Rubtzoff 1963-8-17 5221 Sonoma Salt marsh near Petaluma River just east of Petaluma. Comment
  UC1100889  Bolboschoenus robustus Verne Grant, Herbert L. Mason 1946-8-28 13077 Sonoma Mouth of Tolay Creek Comment
  RSA0057963  Boykinia elata Greg de Nevers 1997-9-22 11090 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction. 100 Comment
  CAS-BOT-BC418505  Boykinia occidentalis Greg de Nevers 1996-6-10 10830 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 487 Comment
  CDA19901  Boykinia occidentalis R. Gross 2002-6-11 s.n. Sonoma Northern California; Trout farm on NW side of Mt St Helena. 0 Comment
  CAS-BOT-BC145655  Brachypodium phoenicoides Peter G. Conners 1991-6-18 s.n. Sonoma In dunes at Bodgea Bay, between Salmon Creek and the State Park Road to the campground. Comment
  CAS-BOT-BC182741  Brassicaceae Peter Rubtzoff 1958-8-9 3845 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road) Comment
  UC768694  Briza maxima Robert F. Hoover 1941-5-14 5102 Sonoma hills n Bodega Comment
  UCR143595  Briza maxima G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  CAS-BOT-BC145279  Briza minor Michener; Bioletti 1893-6-1 s.n. Sonoma Kenwood. Comment
  CAS-BOT-BC145286  Briza minor Peter Rubtzoff 1962-6-13 4900 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC145296  Briza minor Ira L. Wiggins 1949-4-30 12070 Sonoma Four miles west of Calistoga, just west of county line. Comment
  POM205306  Briza minor A. S. Hitchcock 1902-6-7 5649 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  RSA239699  Briza minor Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1097 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  CAS-BOT-BC132208  Brodiaea californica var. leptandra Milo S. Baker 1925-6-1 234 a - local Sonoma Adobe [Canon] Canyon above Kenwood Sp. Comment
  CAS-BOT-BC484396  Brodiaea elegans subsp. elegans Peter Rubtzoff 1962-6-19 4931 Sonoma Occidental Marsh Comment
  CAS-BOT-BC486532  Brodiaea elegans subsp. elegans Peter Rubtzoff 1962-6-8 4884 Sonoma Bennett Mountain Lake Comment
  SEINET10534094  Brodiaea laxa John Thomas Howell 1931-6-15 Howell 6689 Sonoma Near Sebastopol, California Comment
  CAS-BOT-BC486502  Brodiaea stellaris Milo S. Baker 1923-7-26 1278 Sonoma Lamb Ranch near head of South Fork of Yager Comment
  CAS-BOT-BC486525  Brodiaea stellaris anonymous 1922-6-1 s.n. Sonoma Collected in Burbank's Garden (Santa Rosa) Comment
  CAS-BOT-BC486528  Brodiaea stellaris Peter Rubtzoff 1969-5-11 6046 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  SEINET9636479 Image available Brodiaea stellaris Fred W. Hoffman 1947-5-18 541 Sonoma ca. 2 miles east of Occidental. Comment
  CHSC22978  Brodiaea terrestris Robert A. Schlising; Lloy Thurman 1962-6-15 2314 Sonoma Ca. 9 mi N Jct Hwy 1 and Stewarts Point Road. Comment
  JEPS109575  Brodiaea terrestris subsp. terrestris Dean W. Taylor 1994-5-4 14210 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  CAS-BOT-BC486459  Brodiaea terrestris subsp. terrestris Peter Rubtzoff; Nancy Harrison 1978-5-20 9183 Sonoma Cunningham Marsh area on north side of Blucher Creek valley. Comment
  CAS-BOT-BC487728  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1962-6-1 4871 Sonoma Freestone Marsh 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
  UCD36682  Bromus carinatus Beecher Crampton 1955-6-17 2929 Sonoma Sonoma County, 1.6 miles west of Forestville, along State Highway 12. Comment
  UCSB50204  Bromus carinatus Gray, John 1976-5-1 Sonoma North Salmon Creek Beach T6N R11W 18 Comment
  UCD58257  Bromus carinatus Collector unknown 1941-3-1 Sonoma S. R. J. C. Santa Rosa. Comment
  UC577602  Bromus carinatus var. carinatus H. S. Yates 1934-6-21 Sonoma near Bodega 60 Comment
  UCD60211  Bromus catharticus var. elatus Beecher Crampton 1957-7-11 4326 Sonoma Sonoma Coast State Park, along state Hwy. 1, 0.9 miles north of Salmon Creek. Comment
  JEPS14961  Bromus commutatus H. S. Yates 1937-6-6 6581 Sonoma 8 mi sw of Healdsburg 152 Comment
  RSA0023113  Bromus commutatus Peter Rubtzoff 1976-6-18 8652 Sonoma Kenwood Marsh. Comment
  UC1010997  Bromus diandrus Virginia Bufford 1936-5-1 148 Sonoma w of Sebastopol (top of O'Farrell Hill); O'Farrell Hill Comment
  CAS-BOT-BC155207  Bromus hordeaceus David L. Morgan 1961-5-14 s.n. Sonoma Gold Ridge Road, 4 miles west of Sebastopol. Comment
  CAS-BOT-BC155244  Bromus hordeaceus David L. Morgan 1961-5-14 s.n. Sonoma Gold Ridge Road, 4 miles west of Sebastopol. Comment
  UCD66095  Bromus hordeaceus Frederica Bowcutt; Jeff Kennedy (Det.) and Jolie Hendricks 1994-5-1 1751 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; ~11 air miles E of Santa Rosa; ~18 air miles NW of Napa; ~1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along Goodspeed Trail ~1/8 mile from trail head on Adobe Canyon Rd. 213 Comment
  CAS-BOT-BC155243  Bromus hordeaceus David L. Morgan 1956-4-5 s.n. Sonoma Petaluma. Mountain View Avenue. Comment
  CAS-BOT-BC162395  Bromus laevipes G. DeNevers 1981-5-15 1183 Sonoma Pepperwood Ranch. In first big left hand Canyon off north arm of Garrison Canyon. Comment
  UC766917  Bromus laevipes R. F. Hoover 1941-5-14 5089 Sonoma 2 mi s of Monte Rio (on road to Camp Meeker) Comment
  UCD58934  Bromus laevipes David L. Morgan 1956-6-9 s.n. Sonoma Crane Canyon, on Bennett Valley Rd. 1 mile E of Petaluma Hill Rd. Comment
  UCD37570  Bromus racemosus Beecher Crampton 1955-4-5 2419 Sonoma 3 miles northwest of Cotati, Laguna de Santa Rosa, Llano Road. Comment
  UCD36880  Bromus racemosus Beecher Crampton 1956-4-24 3309 Sonoma Sonoma County, Healdsberg, vacant lot at junction of Prince and Sherman Streets. Comment
  UCD58959  Bromus rubens subsp. rubens Gerry North 1993-4 18 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead. Less than 0.2 miles east of park entrance gate. 243 Comment
  CAS-BOT-BC161582  Bromus sterilis G. DeNevers 1981-4-23 788 Sonoma Pepperwood Ranch. Pippindale farm. In Garden. Also along roads to Garden and along Mesa. Comment
  UC604140  Cakile maritima Baker 1938-5-6 8978 Sonoma at mouth of Salmon Creek Salmon Creek Comment
  UCD114959  Cakile maritima Helen K. Sharsmith 1963-5-25 5499 Sonoma Sand dunes just south of Bodega Harbor. 1 Comment
  CAS-BOT-BC36951  Cakile maritima var. maritima John H. Thomas 1976-6-17 18352 Sonoma Near northern end of Sea Ranch, northwestern part of county, about 4 miles south of Gualala. Comment
  UC1026380  Calamagrostis bolanderi John Thomas Howell 1947-6-26 23312 Sonoma Cunningham Marsh Comment
  CLARK-A1528-4568  Calamagrostis nutkaensis John C. Roos 1950-7-22 4869 Sonoma Jenner 30-60 Comment
  JEPS128372  Calamagrostis ophitidis Roger Raiche 1999-6-20 016 .99 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC185119  Calamagrostis ophitidis Catherine Best 1983-4-16 s.n. Sonoma Along the Bohemian Highway about 5 miles north of Occidental. Comment
  UCD57734  Calamagrostis rubescens R. Tofsrud 1951-6-1 s.n. Sonoma north of Sonoma, 'Top-O-The-World' road, near Bay Area Lookout. Comment
  CDA6850  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma Just east of Sonoma. 0 Comment
  CAS-BOT-BC273237  Calendula arvensis Peter H. Raven 1963-4-28 18257 Sonoma Just west of El Verano Comment
  CAS-BOT-BC273243  Calendula arvensis W. R. Russell 1967-3-28 s.n. Sonoma At north end of town, Sonoma Comment
  CAS-BOT-BC273244  Calendula arvensis R. Bacigalupi 1946-3-17 2774 Sonoma On eastern outskirts of Sonoma Comment
  RSA90984  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma JOrchards and fields just east of Sonoma. Comment
  CAS-BOT-BC290610  Callitriche Peter Rubtzoff 1972-6-11 6776 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC293676  Callitriche heterophylla Peter Rubtzoff 1973-7-24 7202 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC293756  Callitriche palustris Peter Rubtzoff 1969-5-3 6027 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCR25305  Callitriche verna John C. Roos 1957-7-2 6644 Sonoma Miller Ridge Comment
  SD56795  Calochortus amabilis Darley F. Howe 1963-5-23 Sonoma 3.8 miles north of Cloverdale, on #128. 334 Comment
  UC1134511  Calochortus amabilis H. S. Yates 1934-4-22 3859 Sonoma 3 mi sw Petrified Forest; Calistoga Quad. 182 Comment
  UC119765  Calochortus amabilis Michener and Bioletti May 1893 Sonoma Los Guilicos Comment
  SD88413  Calochortus amabilis Darley F. Howe 1972-4-25 Sonoma Trinity Road, Mount Hood Range. 121 Comment
  SEINET12044756  Calochortus amabilis H. E. Parks, Parks, S. T. 1930-1 605 Sonoma Alexander Valley Comment
  SEINET12048678  Calochortus amabilis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -079 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12, ca 0.5 mi N on Cavedale Rd from jct 152 Comment
  JEPS61686  Calochortus luteus W. L. Jepson 1918-6-23 7659 Sonoma e of Mark West Springs; Mark West Creek Comment
  UC1134484  Calochortus luteus H. S. Yates 1937-5-30 6546 Sonoma 4 mi nw Graton; Sebastopol Quad. 91 Comment
  JEPS61740  Calochortus tolmiei Vina Krager 1849-4-26 Sonoma 15 mi from Duncan's Mills; Bodega Comment
  UC672151  Calochortus tolmiei Herbert L. Mason 1928-4-8 4283 Sonoma Fort Ross Comment
  SJSU9953  Calochortus tolmiei F. L. Reynolds 1962-5-26 51 Sonoma Salt Point Ranch, 8 mi NW of Fort Ross 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-BC273277  Calycadenia Roberta Long 1967-5-27 s.n. Sonoma Helen Wren's place in Sonoma Co. [Helen Wren's place is about 3 miles west of Healdsburg on the Mill Creek Road to Skaggs Springs] Comment
  UCD129722  Calycadenia multiglandulosa Gerald D. Carr 1971-7-7 577 Sonoma junction of Facienda Lane and Occidental Road. Comment
  CAS-BOT-BC270846  Calycadenia pauciflora Marcus E. Jones 1931-7-5 21925 Sonoma The Geysers Comment
  CAS-BOT-BC272757  Calycadenia truncata subsp. truncata John Thomas Howell 1926-10-3 2212 Sonoma Two miles from Petrified Forest on road to Calistoga Comment
  CAS-BOT-BC272761  Calycadenia truncata subsp. truncata Greg de Nevers 1990-7-24 9681 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Devils Kitchen 457 Comment
  CAS-BOT-BC90987  Calycanthus occidentalis Peter Rubtzoff 1952-6-9 1189 Sonoma North slopes of Fitch Mountain, near Healdsburg. Comment
  CAS-BOT-BC91014  Calycanthus occidentalis L. R. Abrams 1916-7-4 5801 Sonoma Burkes Sanitarium. Comment
  RSA271933  Calycanthus occidentalis Christopher Davidson 1977-6-17 5883 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  UCR30831  Calycanthus occidentalis John C. Roos 1948-8-28 3956 Sonoma North Coast Ranges, Barrel Spring, Mill Creek, near Healdsburg 292 Comment
  UCSB15842  Calycanthus occidentalis 1962-6-6 Sonoma State Highway 128, 4.0 miles northwest of U.S. Highway 101 at Cloverdale 289 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
  UC4382  Calypso bulbosa J. Burtt Davy 1896-3-14 1652 Sonoma Cazadero Comment
  UC571414  Calypso bulbosa Jean Linsdale 1937-2-10 Sonoma Bodega Creek Comment
  CAS-BOT-BC292508  Calystegia R. K. Brummitt; T. F. Daniel 1997-5-31 19615 Sonoma 10 km NE of Santa Rosa, Pepperwood Ranch Natural Preserve, near Bechtel Cabin. 300 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
  RSA799041  Calystegia collina subsp. collina Sandra M. Namoff, Eric R. Carter 2013-6-20 94 Sonoma East of Santa Rosa, N side of Los Alamos Rd about 0.5 miles east of high transmission lines, same location as Jack and Betty Guggolz 1107. 524 Comment
  HSC96671  Calystegia collina subsp. oxyphylla Thomas W. Nelson, Jane Nelson 2004-5-5 9198 Sonoma Along Pine Flat Rd. 2 mi. from jct. with Hwy. 128 136 Comment
  JEPS87234  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1992-5-2 1268 Sonoma About 3/8 miles northeast of White Rock is about 1 3/4 miles north of Jimtown 377 Comment
  SEINET196190  Calystegia collina subsp. oxyphylla Roxana S. Ferris, Laura Lorraine 1948-6-9 11660 Sonoma Summit of grade between Mark West Valley and Franz Valley. Comment
  SEINET6968877  Calystegia fulcrata subsp. malacophylla A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma 1 mile east of Occidental. Comment
  CDA36847  Calystegia occidentalis subsp. fulcrata CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCD125693  Calystegia purpurata subsp. purpurata Frederica Bowcutt 1994-5-1 1749 Sonoma Sugarloaf Ridge State Park. About 40 air miles north of San Francisco; about 11 air miles E of Santa Rosa; about 2.5 air miles N of Kenwood. Adobe Canyon along Goodspeed Trail about 1/8 mile from trail head on Adobe Canyon Road. 213 Comment
  CAS-BOT-BC224735  Calystegia purpurata subsp. saxicola Alice Eastwood 1899-4-1 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC224738  Calystegia purpurata subsp. saxicola Alice Eastwood 1917-5-13 s.n. Sonoma Bodega Point Comment
  JEPS128288  Calystegia subacaulis Roger Raiche 2008-5-18 004 .08 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1299584  Calystegia subacaulis Freed W. Hoffman 1947-4-13 777 Sonoma North Coast Ranges. Near Guerneville, Gilliam Creek. Comment
  CAS-BOT-BC498781  Camassia quamash subsp. linearis Peter Rubtzoff 1951-6-30 312 Sonoma Western branch of the Upper Marsh; The Pitkin Marsh, near Forestville Comment
  POM180624  Camissonia cheiranthifolia subsp. cheiranthifolia J. T. Howell 1930-6-8 5273 Sonoma North end of Bodega Bay. Comment
  HSC16503  Camissonia ovata F. Demostene 1966-4-3 14 Sonoma 2 mi. E of Healdsburg Comment
  SBBG21139  Camissoniopsis cheiranthifolia subsp. cheiranthifolia V. Haraden 1941-7-13 1 Sonoma Bodega Bay 30 Comment
  UC1176931  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Joanne Taylor 1941-7-3 23 Sonoma Bodega Head 30 Comment
  RSA654819  Campanula californica Melissa Brooks, Colette Beaupre 2000-7-20 s.n. Sonoma Near Sea Ranch, on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB&M. 61 Comment
  SEINET10463895  Campanula californica Parks 1925-7-20 PARKS s.n. Sonoma STEWART'S POINT Comment
  SEINET10463919  Campanula californica Sutcliffe 1920-7-18 SUTCLIFFE s.n. Sonoma ANAPOLIS Comment
  SEINET10463934  Campanula californica Rimo Bacigalupi 1967-8-30 Bacigalupi 9312 Sonoma Pitkin Marsh, near eastern end of Templeman Road, southeast of Forestville 46 Comment
  RSA135458  Campanula prenanthoides Volney Rattan 1877 Sonoma Guerneville. Comment
  HSC6633  Capsella bursa-pastoris S. N. Wiemeyer 1962-4-20 28 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  CAS-BOT-BC37751  Cardamine californica R. H. Thompson 1880-4-1 s.n. Sonoma Healdsburg. Comment
  JEPS119398  Cardamine californica J. Greenhouse with R. Raiche, H. Bartosh, J. Game 2012-2-4 5143 Sonoma The Cedars. Comment
  JEPS53382  Cardamine californica Willis L. Jepson 1893-5-1 32 d Sonoma Knights Valley grade Napa River Basin, , on divide (on divide, Napa River Basin) Comment
  UCD114189  Cardamine californica Mary M. Hektner 1976-4-3 236 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD166729  Cardamine californica Peter Rubtzoff 1962-4-18 4797 Sonoma Freestone marsh. Comment
  UC1057433  Cardamine californica var. californica G. Thomas Robbins 1937-3-25 1 Sonoma bank Sonoma Creek (Bennett Valley); , bank Sonoma Creek Comment
  JEPS53387  Cardamine californica var. integrifolia Milo S. Baker April 1899 Sonoma hill back Dillon's Beach; hills back of Dillon's Beach Comment
  CAS-BOT-BC38035  Cardamine oligosperma A. A. Heller; H. E. Brown 1902-3-14 5053 Sonoma Near Santa Rosa. Comment
  UCD169979  Cardamine oligosperma G. F. Hrusa 1999-2-26 14925 Sonoma Foote Ranch, NW base of Mt. St. Helena, near corner of Hwy 128 and Ida Clayton Rd. 152 Comment
  UC1795018  Carduus R. K. Brummitt, A. Wolf, and R. W. Howe 1998-5-15 19862 Sonoma 17 km NNE of Healdsburg, on Pine Flat Road near Red Hill 650 Comment
  CAS-BOT-BC282948  Carduus acanthoides Greg de Nevers 1991-9-16 9771 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road, on ridge above Bechtel house 475 Comment
  RSA790301  Carduus pycnocephalus Peter Rubtzoff 1962-6-1 4874 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC281767  Carduus pycnocephalus Peter Rubtzoff 1951-7-21 480 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh, near the highway Comment
  UCD161772  Carex James A Neilson Jr. 1976-5-10 s.n. Sonoma Mayacmas Mountains. Aidlin-Gouvea Leasehold. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC422340  Carex Peter Rubtzoff; Betty Lovell 1975-8-11 8313 Sonoma Kenwood Marsh. Comment
  UCR255709  Carex abrupta Peter Rubtzoff 1957-6-28 3376 Sonoma Duncan Mills Marsh 2 Comment
  CAS-BOT-BC334521  Carex abrupta Peter Rubtzoff 1957-6-28 3375 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC353409  Carex abrupta Peter Rubtzoff 1958-6-1 3691 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road. Comment
  CAS-BOT-BC353417  Carex abrupta Peter Rubtzoff 1959-5-31 s.n. Sonoma Freestone Marsh. Comment
  CAS-BOT-BC18145  Carex athrostachya Peter Rubtzoff 1959-5-30 4055 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC19368  Carex barbarae Helen D. Geis 1902-8-1 566 Sonoma Skaggs. Comment
  CAS-BOT-BC19369  Carex barbarae H. D. Ripley; R. C. Barneby 1945-6-21 6938 Sonoma East of Petrified Forest. 304 Comment
  HSC101105  Carex barbarae Peter Warner 2011-6-1 211 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Springs Rd. at Mark West Lodge); on E bank of Mark West Creek, about 150 m NNE of Pelm house. 211 Comment
  RSA0015629  Carex barbarae Peter Rubtzoff 1975-7-3 8152 Sonoma Kenwood Marsh. Comment
  RSA0023068  Carex barbarae Peter Rubtzoff 1958-5-3 3623 Sonoma Atascadero Creek Marsh. Comment
  UC70606  Carex bolanderi Bioletti 1893-6-5 Sonoma South Los Guilucos Valley Comment
  CAS-BOT-BC19565  Carex bolanderi J. W. Congdon 1880-6-14 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC18984  Carex densa Peter Rubtzoff 1960-5-15 4337 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC18986  Carex densa G. DeNevers 1981-6-15 1536 Sonoma Pepperwood Ranch. Along the stream down from the Rogers Apple Orchard. Comment
  CAS-BOT-BC20510  Carex densa Peter Rubtzoff 1954-6-7 1488 Sonoma Sonoma County Marshes. Guerneville Marsh. Comment
  CAS-BOT-BC20513  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Sonoma County Marshes. Guerneville Marsh. Comment
  CAS-BOT-BC20241  Carex densa Peter Rubtzoff 1968-6-25 5901 Sonoma Lichau Marsh. Comment
  CAS-BOT-BC20492  Carex densa Catherine Best 1981-5-2 s.n. Sonoma Willow Creek Road about 6 miles west of Occidental. Comment
  CAS-BOT-BC20516  Carex densa Peter Rubtzoff 1975-7-3 8148 Sonoma Sonoma County Marshes. Kenwood Marsh. Comment
  CAS-BOT-BC20517  Carex densa John Thomas Howell 1935-5-5 12605 Sonoma Low field near Kenwood. Comment
  SEINET7556735 Image available Carex densa Alice Eastwood 1936-5-19 2500 Sonoma North limits of Santa Rosa. Comment
  RSA212189  Carex dudleyi L. S. Rose 1939-5-14 39117 Sonoma Bodega. 30 Comment
  POM248596  Carex dudleyi J. T. Howell 1938-7-3 13948 Sonoma Stony Point. Comment
  CAS-BOT-BC19897  Carex echinata subsp. phyllomanica John Thomas Howell 1945-5-30 20892 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC20450  Carex globosa John Thomas Howell 1945-5-30 20913 Sonoma Vine Hill School. Comment
  SD72053  Carex globosa John Thomas Howell 1955-6-2 30258 A Sonoma Near Vine Hill School. Comment
  CAS-BOT-BC20453  Carex globosa Peter Rubtzoff 1953-5-18 1400 Sonoma South of Guernville (Neeley Hill area). Comment
  CAS-BOT-BC28330  Carex gracilior Henry Nicholas Bolander 1866-3-1 4635 Sonoma Petaluma. Comment
  UC1026416  Carex gracilior Peter Rubtzoff 1951-6-16 12246 Sonoma near Forestville (w branch of the Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC28333  Carex gracilior Henry Nicholas Bolander 1864-4-1 3814 Sonoma Meadow near mark West Creek. Comment
  CAS-BOT-BC28334  Carex gracilior Henry Nicholas Bolander 1864-4-1 3867 Sonoma Meadow on Russian River. Comment
  UCD112364  Carex gracilior Peter Rubtzoff 1955-4-30 1808 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC419697  Carex gynodynama Peter Rubtzoff 1959-5-31 4085 Sonoma Freestone Marsh. Comment
  RSA758134  Carex harfordii Peter Rubtzoff 1960-5-16 4351 Sonoma Duncan Mills Marsh Comment
  SEINET4291982 Image available Carex harfordii A. L. Hipp, Clifton, G 1999-1 ah 349 Sonoma Marsh opposite entrance to Doran Beach Park: Bodega Harbor Marsh. Comment
  CAS-BOT-BC419694  Carex hassei Peter Rubtzoff 1962-5-11 4819 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  SEINET1783034  Carex lacunarum A. A. Heller 1902-7-1 5797 Sonoma At Sebastopol. Comment
  CAS-BOT-BC329300  Carex leptopoda Peter Rubtzoff 1960-5-16 4347 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC352234  Carex leptopoda Peter Rubtzoff 1964-5-20 5323 Sonoma Bodega Bay Marsh. Comment
  JEPS128371  Carex mendocinensis Roger Raiche 1999-9-20 035 .99 Sonoma The Cedars, Grotto Pool. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC539865  Carex mendocinensis Robert F. Hoover 1941-5-14 5091 Sonoma 2 mi S of Monte Rio on road to Camp Meeker Comment
  CAS-BOT-BC119732  Carex nebrascensis John Thomas Howell 1947-6-26 23309 Sonoma Cunningham Marsh Comment
  JEPS63674  Carex nudata R. Kuhn 1913-4-18 Sonoma Sonoma Comment
  RSA0034043  Carex obnupta Peter Rubtzoff 1964-7-29 5445 Sonoma Brooks Gulch Marsh. Comment
  SEINET7570602 Image available Carex pansa Catherine Best 1985-5-15 1086 Sonoma Bodega Head. Comment
  RSA51977  Carex pellita J. T. Howell 1945-5-30 s.n. Sonoma Pitkin Marsh. Comment
  SEINET7572506 Image available Carex preslii Andrew L. Hipp, Glen C. Clifton 1999-5-27 334 a Sonoma City of Santa Rosa. Comment
  RSA0022395  Carex serratodens Peter Rubtzoff 1957-5-11 3341 Sonoma Occidental Marsh. Comment
  RSA0020333  Carex stipata Peter Rubtzoff 1960-5-22 4410 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville Roads.) Comment
  CAS-BOT-BC117356  Carex stipata var. stipata Peter Rubtzoff 1951-6-10 190 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC116927  Carex subbracteata Peter Rubtzoff 1959-6-13 4124 Sonoma Willow Creek Marsh. Comment
  OBI22663  Carex subbracteata Lewis S. Rose 1964-6-3 64052 Sonoma N end of Bodega Bay 2 Comment
  RSA758135  Carex subbracteata Peter Rubtzoff 1960-5-16 4352 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC116783  Carex subbracteata var. subbracteata Peter Rubtzoff 1957-5-26 3360 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC116784  Carex subbracteata var. subbracteata Peter Rubtzoff 1960-6-7 4446 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC115529  Carex tumulicola Joseph Whipple Congdon 1880-5-31 s.n. Sonoma Santa Rosa Comment
  CDA36813  Carthamus creticus D. B. Joley, W. J. Ferlatte 1976-1 24 Sonoma Petaluma Hill Rd. 0 Comment
  HSC33347  Carthamus lanatus William J. Ferlatte, J. Shelgren 1973-7-11 1489 Sonoma SE of Santa Rosa; Crane Canyon, 1 mile E of Petaluma Hill Rd. 52 Comment
  UCD129941  Carthamus lanatus B. Crampton 1957-7-22 4356 Sonoma 15.2 miles west of Skaggs Springs on road to Stewart's Point. Comment
  UCD160818  Castilleja affinis James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3481 Sonoma Section 10, along Geysers Road, west of The Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  RSA107433  Castilleja ambigua subsp. ambigua L. S. Rose 1955-6-2 55057 Sonoma Pitkin Marsh, w. of Vine Hil Road, 10 mi. w. of Santa Rosa. 30 Comment
  UCR45081  Castilleja applegatei subsp. martini L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  JEPS77867  Castilleja attenuata Robert M. Lloyd 1965-5-8 3630 Sonoma 3 mi n Highway 12 junction with Agua Caliente Road (on Highway 12, across from Lawrence Triangle End Garage) Comment
  UC1012323  Castilleja attenuata F. W. Pennell and H. L. Mason 1940-5-21 25484 Sonoma e of Kellogg (Route 28) 182 Comment
  UCD151183  Castilleja attenuata James A. Neilson Jr. 1974-4-16 2873 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 Comment
  UC726128  Castilleja densiflora subsp. densiflora A. A. Heller 1941-5-17 16136 Sonoma 2 mi n Windsor (on U.S. Hwy. 101) Comment
  UC886468  Castilleja densiflora subsp. densiflora Alice Eastwood 1921-4-24 10340 Sonoma Santa Rosa Comment
  CAS-BOT-BC243854  Castilleja latifolia J. Clausen 1935-5-24 1088 Sonoma 5.1 mi. S of Jenner on the Bodega Road Comment
  CAS-BOT-BC243853  Castilleja latifolia Ella Dales Cantelow 1939-4-10 2605 Sonoma About 1.6 mi. S of Russian River Bridge Comment
  UC614502  Castilleja subinclusa subsp. franciscana L. Constance 1938-4-24 2152 Sonoma 3 mi w Bodega 60 Comment
  JEPS35566  Castilleja wightii L. R. Heckard 1964-6-12 1388 Sonoma 3 mi n Bodega Bay (town) (sea-bluffs at Coleman Beach); Coleman Beach Comment
  SD64442  Castilleja wightii Noel H. Holmgren, James L. Reveal 1966-6-6 2650 Sonoma California 1, 2 miles south of California 116 junction, roadbank away from salt spray Comment
  RSA77694  Ceanothus confusus J. T. Howell 1937-4-11 12897 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  UC634561  Ceanothus confusus H. L. Mason 1934-4-28 8072 Sonoma Jensen's Ranch, at head of Dohrmans Creek Comment
  CAS-BOT-BC48511  Ceanothus confusus W. Knight; I. Knight; Dr. Steve Edwards 1986-6-9 5445 Sonoma North Burma Trail, Annadel State Park 114 Comment
  UCD111749  Ceanothus cuneatus G. F. Hrusa 1995-4-2 12041 Sonoma along Franz Valley School Road, approximately 1.25 miles NW of Napa/Sonoma county line. 250 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
  UCD112120  Ceanothus divergens G. F. Hrusa 1995-4-2 12040 Sonoma along Franz Valley School Road, approximately 1 mile NW of Napa/Sonoma county line. 250 Comment
  RSA0028419  Ceanothus divergens A. A. Heller, H. E. Brown 1902-3-27 9008 Sonoma Western base of Mt. Hood. Comment
  UCD158718  Ceanothus foliosus James A. Neilson Jr. 1974-7-10 2836 Sonoma Mayacmas Mountains. South of Little Geysers. 792 Comment
  SEINET13945885 Image available Ceanothus foliosus G. Thomas Robbins 1940-1 302 Sonoma along Guernerville road, Vine Hill Region, ca 8.5 mi W of Santa Rosa Comment
  CAS-BOT-BC49910  Ceanothus foliosus var. foliosus A. A. Heller; H. E. Brown 1902-5-29 5619 Sonoma Mt. Hood Comment
  CAS-BOT-BC49913  Ceanothus foliosus var. foliosus D. E. Breedlove 1983-4-11 58671 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD112581  Ceanothus foliosus var. foliosus Christopher Mallek 2008-5-2 s.n. Sonoma Hooker Canyon. 590 Comment
  OBI10528  Ceanothus foliosus var. vineatus H. E. McMinn 1941-4-26 5320 Sonoma Nine mi S of Guerneville Comment
  UC870562  Ceanothus gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S of Stewart's Point Comment
  SEINET12210818  Ceanothus gloriosus var. exaltatus W. Knight, Knight, I. 1982-1 4650 Sonoma W of Sebastopol Comment
  CAS-BOT-BC49976  Ceanothus gloriosus var. gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S. of Stewart's Point Comment
  CAS-BOT-BC49977  Ceanothus gloriosus var. gloriosus Carl B. Wolf 1927-9-2 1341 Sonoma 2 miles South of Anchor Cove Comment
  CAS-BOT-BC63735  Ceanothus griseus Dorothy Scherer 1996-3-16 002 Sonoma Winderemere Point, Fort Ross State Historic Park. 24 Comment
  SACT002923  Ceanothus incanus Josephine Van Ess 1982-7-21 Sonoma Collected at Mount Mill House Girl Scout Camp. Open area in forest. Medium size shrubs. White flowers. Comment
  CAS-BOT-BC50952  Ceanothus integerrimus H. N. Bolander 4721 Sonoma Russian River - Valley Comment
  CAS-BOT-BC50648  Ceanothus jepsonii Robert F. Thorne 1965-4-19 34282 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental 182 Comment
  CAS-BOT-BC50649  Ceanothus jepsonii Gladys L. Smith 1977-3-30 4651 Sonoma Harrison Grade, Occidental region 457 Comment
  CAS-BOT-BC51113  Ceanothus jepsonii Catherine Best 1986-4-1 1170 Sonoma on Stoetz Lane about 2 mi. Northeaset of 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
  SDSU10320  Ceanothus jepsonii D. F. Howe 1963-5-23 3531 Sonoma 4.0 miles N of Cloverdale on #128. 335 Comment
  POM172066  Ceanothus jepsonii Lester Rowntree 1930-7-17 s.n. Sonoma Sage Canyon between ST. Helena and Monticello Comment
  SEINET13945966 Image available Ceanothus jepsonii Lewis S. Rose 1955-1 55030 Sonoma 2 mi NE of Occidental, alt 700 ft 213 Comment
  CHSC93632  Ceanothus jepsonii var. albiflorus C. L. Schmidt 1987-2-27 1141 Sonoma Dorman Canyon Road, across small canyon from Bradford Mtn. ca. 10 miles NE of Healdsburg. 180 Comment
  UC583424  Ceanothus jepsonii var. albiflorus Elmer I. Applegate 1934-3-25 8860 Sonoma Pine Flat, W slope of Mayacama Mountains Comment
  UCD112305  Ceanothus oliganthus var. sorediatus Frederica Bowcutt 1996-5-19 2133 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 the ridgeline and on the Napa/Sonoma County line, about 1/2 air miles E of Bald Mtn. Gray Pine Trail. 731 Comment
  CAS-BOT-BC51888  Ceanothus parryi H. E. McMinn 1922-6-7 165 Sonoma Camp Meeker Comment
  CAS-BOT-BC51889  Ceanothus parryi A. A. Heller; H. E. Brown 1902-5-29 5620 Sonoma Mt. Hood Comment
  RSA122368  Ceanothus parryi H. S. Yates 1934-4-21 5371 Sonoma near Guerneville 91 Comment
  UC1299539  Ceanothus parryi Freed W. Hoffman 1947-5-30 521 Sonoma Layton Mine North Coast Ranges, Austin Creek (Austin Creek) Comment
  SEINET12211100  Ceanothus parryi F. H. Utech 1986-1 86 -115 Sonoma ca 6 mi NE on Cavedale Road 600 Comment
  CAS-BOT-BC53038  Ceanothus sonomensis Walter Knight; Irja Knight; John Thomas Howell 1984-10-12 5076 Sonoma Cavedale Road 640 Comment
  CAS-BOT-BC53043  Ceanothus sonomensis A. A. Heller; H. E. Brown 1902-3-12 s.n. Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  CAS-BOT-BC53046  Ceanothus sonomensis Cliff Schmidt; Walter Knight 6055 Sonoma Cavedale Road 274 Comment
  CAS-BOT-BC53047  Ceanothus sonomensis A. A. Heller 1902-6-26 5765 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  CAS-BOT-BC53039  Ceanothus sonomensis Milo S. Baker 1927-3-5 2011 a Sonoma South slope of Hood Mt. on Macertney Ranch 213 Comment
  CAS-BOT-BC53040  Ceanothus sonomensis Roman Gankin 1966-3-3 689 Sonoma On south-facing slope in Hooker Canyon, below Cavedale Road, 3.1 miles east of junction with State Highway 12 Comment
  SEINET12210980  Ceanothus sonomensis W. Knight, Knight, I.; Howell, J. T. 1984-1 5076 Sonoma Cavedale Road., near Macnab cypresses 640 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-BC52398  Ceanothus velutinus Walter Knight; Irja Knight 1964-2-27 560 Sonoma Seaview Comment
  CAS-BOT-BC52399  Ceanothus velutinus Walter Knight; Irja Knight 1963-12-27 468 Sonoma Summit. Pine Flat Rd. Comment
  UC1362456  Ceanothus velutinus Frederick Karl Klein 1969-9-8 Sonoma Seaview Road 0.6 mi nw intersection with Ben Way (nw of Fort Ross); nw of Fort Ross 396 Comment
  CAS-BOT-BC277017  Centaurea iberica Maxine Wilkes 1929-7-1 s.n. Sonoma Santa Rosa Comment
  CDA33632  Centaurea iberica R. Breckenridge, A. Smith, K. Filippini 2010-7-21 PDR# 1313479 Sonoma Calistoga; La Franchi Ranch, State Hwy 128. 0 Comment
  CDA20599  Centaurea maculosa S. Ostrom 2005-10-2 PDR 1351698 Sonoma North Coast; Hwy 101 S center divide at College Ave exit. 0 Comment
  UCD161376  Centaurea melitensis James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, above Cloverdale Mine, (Elevation and exact location estimated by label maker.) 731 Comment
  UCD130054  Centaurea melitensis P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UC66150  Centaurium muehlenbergii A. A. Heller 1902-6-28 5793 Sonoma near Mark West Springs Comment
  UCD55332  Centaurium tenuiflorum Ellen Dean 2006-6-28 3176 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. East side of Pepperwood Reservoir. 150 Comment
  POM130633  Centaurium trichanthum A. A. Heller 1902-6-25 5764 Sonoma Santa Rosa Comment
  UCD150126  Centromadia fitchii 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-BC288816  Centromadia fitchii Helen D. Geis 1902-8-1 572 Sonoma Unspecified Comment
  CAS-BOT-BC271540  Centromadia parryi subsp. parryi David D. Keck 1933-11-10 2730 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  CAS-BOT-BC279399  Centromadia pungens subsp. pungens H. M. Hall 1931-10-6 13264 Sonoma West of Petaluma Comment
  UCD138893  Cephalanthera austiniae K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC251267  Cerastium Peter Rubtzoff 1964-5-20 5315 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC251309  Cerastium Peter Rubtzoff 1960-5-18 s.n. Sonoma Bodega Head Marsh Comment
  RSA105368  Cerastium arvense M. V. Ott 1934-3-31 70 Sonoma Larkspur Hill about 3 miles W of Bodega, near the coast. Comment
  CDA36948  Cerastium glomeratum CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  CAS-BOT-BC388440  Cerastium glomeratum Ella Dales Cantelow 1940-4-20 3444 Sonoma N. of Ft. Ross, Hy 1 Comment
  UCSB1851  Cerastium glomeratum Keator, Glenn 1959-4-2 Sonoma 0.6 miles north of junction of Laguna Rd. and College Rd. on Laguna Rd.; 5.1 miles north of Sebastopo; in Vinehill region Comment
  CAS-BOT-BC135419  Cercocarpus betuloides var. betuloides Walter Knight; Irja Knight 1963-9-1 143 Sonoma Pine Mt Road, NE of Cloverdale, Harold Smith Ranch Comment
  UCD160877  Chaenactis douglasii James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3262 Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC279780  Chamaemelum fuscatum Doreen Smith 2007-3-1 s.n. Sonoma Near Asti Comment
  UCD167959  Chamaesyce maculata James Neilson 1981-7-16 4051 Sonoma Mayacmas Mountains. Big Sulphur Cr. At bridge crossing road to Cloverdale. (Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS52330  Chamaesyce serpyllifolia Milo S. Baker 1898-11-25 744 Sonoma near Healdsburg; Russian River bed Comment
  UC1299768  Cheilanthes intertexta Freed W. Hoffman April 1948 2752 Sonoma near Guerneville (Gabe's Rock, Poole Ridge); North Coast Ranges Comment
  CAS-BOT-BC166911  Chenopodium Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7841 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC166670  Chenopodium Peter Rubtzoff 1971-7-23 6616 Sonoma Laguna, Chileno Valley. Comment
  RSA783838  Chenopodium Peter Rubtzoff 1971-7-23 6616 Sonoma Laguna, Chileno Valley. Comment
  UC168633  Chenopodium botrys T. S. Brandegee July, 1885 Sonoma Cloverdale Comment
  CAS-BOT-BC499255  Chlorogalum pomeridianum Peter Rubtzoff 1951-7-14 476 Sonoma Pitkin Marsh, near Forestville, uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC499258  Chlorogalum pomeridianum C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  CAS-BOT-BC191506  Chorizanthe cuspidata var. villosa Alice Eastwood 1915-6-29 4832 Sonoma Bodega Point Comment
  CAS-BOT-BC191512  Chorizanthe cuspidata var. villosa H. D. Ripley; R. C. Barneby 1945-6-22 6950 Sonoma Bodega Bay 15 Comment
  HSC17260  Chorizanthe cuspidata var. villosa L. S. Rose 1962-8-6 62077 Sonoma Bodega Point 30 Comment
  CAS-BOT-BC252848  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1915-6-6 4665 Sonoma Mt. St. Helena Comment
  JEPS38077  Chrysolepis chrysophylla Milo S. Baker Sep 1920 Sonoma near Gualala River mouth; Gualala River Comment
  UCD110109  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  UCR279624  Cichorium intybus Peter Rubtzoff 1961-9-6 4727 Sonoma Laguna de Santa Rosa, northeast of Gratton 24 Comment
  CAS-BOT-BC285250  Cichorium intybus W. W. Carruth 1900-7-1 s.n. Sonoma Near Healdsburg Comment
  RSA0015627  Cirsium brevistylum Peter Rubtzoff 1960-6-11 4499 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  UCD160834  Cirsium cymosum James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3369 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC286378  Cirsium occidentale var. occidentale Alice Eastwood 1915-6-29 4888 Sonoma Bodega Point Comment
  UC30831  Cirsium occidentale var. venustum F. T. Bioletti 1892-7-1 Sonoma Chauvert's Comment
  CAS-BOT-BC280541  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  CAS-BOT-BC285753  Cirsium remotifolium John Thomas Howell 1937-7-4 13070 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC285754  Cirsium remotifolium Marcus E. Jones 1882-7-18 3385 Sonoma Duncan's Mills Comment
  UC91788  Cirsium remotifolium var. odontolepis K. Brandegee 1886-4-1 Sonoma Santa Rosa Comment
  POM261637  Cirsium remotifolium var. odontolepis Alice Eastwood, John Thomas Howell 1938-7-6 6088 Sonoma Alder Glen Springs. Comment
  CAS-BOT-BC164355  Citrullus lanatus Peter Rubtzoff 1976-9-25 8904 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  UCD166463  Citrullus lanatus Peter Rubtzoff 1955-10-12 2169 Sonoma Vacation Beach, near Guerneville. Comment
  UCD161248  Clarkia affinis James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3705 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-BC161059  Clarkia amoena subsp. amoena C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  POM171626  Clarkia amoena subsp. huntiana Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  POM271819  Clarkia amoena subsp. huntiana Lyman Benson 1928-6-25 352 Sonoma Mendocino - Somona county line, Cloverdale - Hopland; Middle North Coast Mtn Range, Russian River. Ridge at county line, Redwood Highway 457 Comment
  CAS-BOT-BC172345  Clarkia concinna Elsa G. Ruckert 1960-5-28 162 Sonoma Trinity Road, 1 mile from junction with Highway 12 243 Comment
  UCD160835  Clarkia concinna James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3358 Sonoma Section 10, on the Geysers Road, 1/4 mile west of Eagle Rock. (Elevation and coordinates estimated by label maker.) 396 Comment
  POM32268  Clarkia concinna subsp. concinna Michener, Bioletti 1893-06 s.n. Sonoma Kenwood Comment
  RSA299011  Clarkia concinna subsp. concinna W. L. Jepson 1921-6-2 9293 Sonoma Alder Glen School. Hopland, N Sonoma County 177 Comment
  UCD158789  Clarkia gracilis James A. Neilson Jr. 1974-6-1 2876 Sonoma Mayacmas Mountains, Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  CAS-BOT-BC163134  Clarkia gracilis subsp. sonomensis Volney Rattan 1877-6-23 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC163147  Clarkia gracilis subsp. sonomensis Marcus E. Jones 1931-7-5 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC163133  Clarkia gracilis subsp. sonomensis Doris K. Kildale 1929-7-14 8459 Sonoma Trail up Klamath River to Blue Creek 152 Comment
  CAS-BOT-BC163143  Clarkia gracilis subsp. sonomensis Frank W. Hubby 1894-6-1 s.n. Sonoma Windsor Comment
  POM153237  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 19 Sonoma Sonoma to Santa Rosa Highway, 0.5 mile south of junction with road to Glen Ellen. 30 Comment
  SD51810  Clarkia imbricata Peter H. Raven, Richard Snow 1958-7-23 13691 Sonoma Very near type locality; common in grassy field at 4551 Vine Hill Road near Pitkin Marsh. Comment
  RSA0007460  Clarkia imbricata Milo S. Baker 1928-6-28 3195 Sonoma Pitkin Ranch between house and Pitkin marsh Comment
  UC486497  Clarkia purpurea subsp. quadrivulnera H. E. and S. T. Parks 1930-5-10 606 Sonoma Knights Valley Comment
  POM187327  Clarkia unguiculata Marcus E. Jones 1931-7-5 29038 Sonoma The Geysers. Comment
  SEINET12194528  Clarkia unguiculata F. H. Utech 1986-1 86 -121 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 250 Comment
  CAS-BOT-BC439316  Claytonia exigua subsp. exigua F. Almeda; G. DeNevers 1981-3-30 4876 Sonoma Pepperwood Ranch. Along road to the Garrison Cabin at the SW sector of the ranch. Comment
  CAS-BOT-BC439397  Claytonia gypsophiloides G. DeNevers 1981-4-25 856 Sonoma Pepperwood Ranch. Mark West Creek and Leslie Creek confluence Comment
  CAS-BOT-BC439407  Claytonia gypsophiloides A. A. Heller; H. E. Brown 1902-3-16 5073 Sonoma Russian River, near Trenton Comment
  RSA178002  Claytonia gypsophiloides R. F. Thorne 1965-4-19 34292 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  SJSU9881  Claytonia gypsophiloides G. J. Woodside 1969-4-29 Sonoma Dutton Bill Creek 4 mi above Camp Meeker at St Dorothy's Rest Comment
  UC1299361  Claytonia gypsophiloides Freed W. Hoffman 1947-3-5 811 Sonoma near Guerneville (Gilliam Creek); North Coast Ranges, Gilliam Creek Comment
  RSA177929  Claytonia gypsophiloides R. F. Thorne 1965-4-20 324378 Sonoma ca. 3/4 mi.; Charles Newman s place up Los Alamos Rd., on Rincon Ridge. 396 Comment
  RSA614440  Claytonia gypsophiloides K. L. Chambers 1978-4-29 4466 -A Sonoma Hwy. 128, the Cloversale to Ft. Bragg road, 3.8 mi. W of its junction with Hwy. 101 at Cloversale. Crumbling roadside banks of serpentine soil. Comment
  CAS-BOT-BC229139  Claytonia parviflora subsp. grandiflora Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  SEINET9321581  Claytonia perfoliata John Nelson, Wnek, R. 2000-3-7 20938 Sonoma Fern Grove Cottages Comment
  UCD84822  Claytonia perfoliata Nellie Coffey 1931-4-12 s.n. Sonoma Mount St. Helena. Comment
  CAS-BOT-BC443871  Claytonia sibirica Peter Rubtzoff 1964-7-3 5340 Sonoma Bodega Bay Marsh. Comment
  RSA295  Clematis ligusticifolia E. R. Johnson 1928-8-22 1109 Sonoma Russian River, 1/2 mile E of Cloverdale Comment
  UCD35658  Clinopodium douglasii Beecher Crampton 1959-6-16 5395 Sonoma 1 mile northeast of Freestone. Comment
  RSA123629  Clintonia andrewsiana Allison Hastings 1940-4-12 s.n. Sonoma Coast Highway north of Fort Ross. Comment
  CAS-BOT-BC366865  Collinsia heterophylla Greg de Nevers 1998-4-21 11157 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Below Jim & Donna's house 400 Comment
  POM14827  Collinsia sparsiflora var. arvensis D. C. Michener, F. T. Bioletti 1893-04 s.n. Sonoma Kenwood. Comment
  UC583427  Collinsia sparsiflora var. arvensis Elmer I. Applegate 1934-3-25 8850 Sonoma w slope of Mayacama Mountains, Pine Flat Region, Sansal Creek Sansal Creek; Mayacama Mountains, Pine Flat Region, Sansal Creek Comment
  JEPS128321  Collinsia tinctoria Roger Raiche 2000-6-6 132 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS87235  Collinsia tinctoria Jack and Betty Guggolz 1992-6-13 1311 Sonoma w side Black Mtn (Anderson Trail, e of Geyserville) 609 Comment
  UC26664  Collinsia tinctoria F. T. Bioletti Jun 1891 Sonoma Kenwood Comment
  UCSB21858  Conium maculatum McCarthy, Sharon 1965-4-16 Sonoma Sonoma Creek; approx. 0.5 mile north of bridge at Leveroni Rd., Sonoma 24 Comment
  RSA0051273  Convolvulus Greg de Nevers 1993-5-9 10440 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Just above the Pippindale-Pepperwood gate. 100 Comment
  RSA223347  Convolvulus arvensis Peter Rubtzoff 1954-7-5 1540 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC344847  Conyza Peter Rubtzoff 1990-10-27 10234 Sonoma Russian River ca. 6 miles east of Guerneville. Comment
  JEPS23537  Cordylanthus pilosus subsp. pilosus Peter H. Raven, R. Snow 1958-7-23 13690 Sonoma Occidental Comment
  UC103416  Cordylanthus pilosus subsp. pilosus Michener and Bioletti 1891-9-4 1431 a Sonoma s Los Guilucos Comment
  UC1329012  Cordylanthus pringlei Freed W. Hoffman 1946-8-30 574 Sonoma Red Slide, East Austin Creek Red Slide; North Coast Ranges Comment
  CDA30951  Cordylanthus tenuis subsp. brunneus D. G. Kelch, Troy McGregor 2010-8-22 10 .353 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  JEPS2540 Image available Cordylanthus tenuis subsp. brunneus W. L. Jepson 1894-7-19 21109 Sonoma Mt. St. Helena Napa River Basin; Mt. St. Helena, Napa River Basin 1127 Comment
  JEPS87247  Cordylanthus tenuis subsp. brunneus Jack and Betty Guggolz 1992-7-25 1334 Sonoma 5/8 mi ssw Bradford Mountain (along a dirt road, 4+ mi wsw of Geyserville) 292 Comment
  CAS-BOT-BC238233  Cordylanthus tenuis subsp. capillaris R. F. Hoover 1965-6-29 9472 Sonoma North of summit on Harrison Grade road near Occidental Comment
  CAS-BOT-BC238234  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1955-7-11 55110 Sonoma 2 mi. e. of Occidental 243 Comment
  JEPS29842  Cordylanthus tenuis subsp. capillaris Rimo Bacigalupi and L. Heckard, J. Weiler 1961-6-23 7832 Sonoma ca. 3/4 mi nw Occidental School (nw of garbage disposal area, along Stoetz Lane, 0.5 mi nw of its junction with Harrison Grade road.) 228 Comment
Read comments
Jul 27 2009
  JEPS79414  Cordylanthus tenuis subsp. capillaris Edward Lee with W. A. Setchell 1936-6-7 2188 Sonoma south ridge fire trail, Bohemian Grove Comment
  JEPS103956  Cordylanthus tenuis subsp. capillaris Jack and Betty Guggolz 1991-7-20 1211 Sonoma N end of a large serpentine meadow Comment
  SD53397  Corethrogyne filaginifolia var. filaginifolia Darley F. Howe 1962-7-29 3365 Sonoma 12 miles north of Jenner on Highway 1. Comment
  RSA800124  Cornus sericea Peter Rubtzoff 1970-8-31 7290 Sonoma Upper Green Valley Marsh, slope of Green Valley Road bank bordering the marsh. Comment
  UC1090394  Coronopus didymus Milo S. Baker May 1957 13095 Sonoma Junior College at Santa Rosa, next to Industrial Arts Building Junior College at Santa Rosa; North Coast Ranges, Junior College at Santa Rosa Comment
  CAS-BOT-BC287241  Cotula australis Greg de Nevers 1992-4-6 10097 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Rd. By steps at Bechtel House 475 Comment
  CAS-BOT-BC290295  Cotula coronopifolia M. E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC290298  Cotula coronopifolia Walter Knight; Irja Knight 1963-9-29 231 Sonoma Near railroad bridge over Petaluma River ca. 1 mi. S. of Petaluma Comment
  CAS-BOT-BC368093  Crassula aquatica Greg de Nevers 1998-5-5 11227 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  CAS-BOT-BC427645  Crassula aquatica Greg de Nevers 1993-5-6 10435 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 457 Comment
  CAS-BOT-BC427648  Crassula aquatica Peter Rubtzoff 1963-6-6 5163 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC427656  Crassula aquatica Peter Rubtzoff 1966-6-5 5755 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  UCD101836  Crassula connata Mary M. Hektner 1976-4-3 233 Sonoma gravelled parking lot at access to Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC143506  Crataegus gaylussacia Peter Rubtzoff 1959-5-30 4062 Sonoma Freestone Marsh Comment
  CAS-BOT-BC143512  Crataegus gaylussacia Lewis S. Rose 1962-6-1 62066 Sonoma 1 mi. nw of Freestone [This locality is near Freestone Marsh] 76 Comment
  UCD35659  Crataegus gaylussacia Beecher Crampton 1959-6-16 5396 Sonoma 1 mile northeast of Freestone. Comment
Read comments
Dec 20 2006
  SEINET10628656 Image available Crataegus gaylussacia A. Arthur Heller 1902-8-20 Heller 6052 Sonoma Lagoon at Scbastopol. Comment
  UCR246781  Crupina vulgaris Les Sonder 1990-1-25 s.n. Sonoma Anadell State Park, Santa Rosa 351 Comment
  CDA4462  Crupina vulgaris G. D. Barbe 1991-5-24 4422 Sonoma Inside western boundary of Annadel State Park, Santa Rosa. Comment
  CAS-BOT-BC190105  Crypsis schoenoides Peter Rubtzoff 1970-5-30 6243 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC190108  Crypsis schoenoides Peter Rubtzoff 1971-9-30 6707 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC190145  Crypsis schoenoides Greg de Nevers 1992-10-15 10252 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek. 304 Comment
  CAS-BOT-BC376225  Cryptantha Greg de Nevers 1992-5-28 10156 Sonoma Sonoma Mountain Road, Bunnell Vernal Pool, on Zen Center property 304 Comment
  POM64218  Cryptantha leiocarpa A. A. Heller 1902-5-27 5615 Sonoma Bodega Bay Comment
  UC280368  Cryptantha torreyana Milo S. Baker 1898-4-23 620 Sonoma Santa Rosa Creek Canyon Comment
  UCD148407  Cucurbita foetidissima Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa, N of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC80748  Cupressus macnabiana Walter Knight; Irja Knight 1964-1-18 523 Sonoma Head of Hooker Canyon, Cavedale Rd. Comment
  CAS-BOT-BC80749  Cupressus macnabiana Walter Knight; Irja Knight; J. T. H. 1984-9-26 5239 Sonoma 4.5 mi. up Cavedale Rd. Comment
  RSA178043  Cupressus macnabiana Robert F. Thorne 1965-4-20 34367 Sonoma Head of Hooker Canyon on Cavedale Road, north of Sonoma 610 Comment
  JEPS79415  Cupressus macrocarpa Edward Lee with W. A. Setchell 1936-6-7 2189 Sonoma South ridge Fire Trail Bohemian Grove (Bohemian Grove, lower trees forming a very extensive area) Comment
  CAS-BOT-BC85429  Cupressus sargentii W. Knight; Irja Knight 1964-11-15 799 Sonoma Hood's Peak - N.W. edge of meadow above Johnson Dam Comment
  CAS-BOT-BC85464  Cupressus sargentii Milo Samuel Baker 1928-3-1 2597 b Sonoma W.B. Coy Ranch north of Occidental Comment
  RSA144399  Cupressus sargentii Roxana S. Ferris, Laura Lorraine 1961-6-15 13565 Sonoma Harrison Grade, 1.3 mile from junction with Green Valley Road Comment
  CAS-BOT-BC85428  Cupressus sargentii Clinton Hart Merriam 1907-7-27 s.n. Sonoma East ridge on Knights Valley road to Middletown, Mt. St. Helena Comment
  SEINET810030  Cuscuta campestris Peter Rubtzoff 1962-1 4977 Sonoma Laguna de Santa Rosa near Trenton, south of Woolsey Road. Comment
  CAS-BOT-BC190343  Cynodon dactylon Peter Rubtzoff 1951-7-21 504 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower marshes. Comment
  UC1131374  Cynodon dactylon H. S. Yates 1937-5-30 6539 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  CAS-BOT-BC190344  Cynodon dactylon David L. Morgan 1955-6-27 s.n. Sonoma Dairy Hill, Old Adobe Road, 5 miles east of Lakeville. Comment
  CDA12820  Cynoglossum grande G. F. Hrusa, R. Gross 1996-3-8 12654 Sonoma North Coast Biodiversity Arena; SW slope to NW of Chalk Hill. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  CAS-BOT-BC190428  Cynosurus echinatus John H. Thomas 1976-6-18 18359 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville. Comment
  CAS-BOT-BC190432  Cynosurus echinatus G. DeNevers 1982-4-30 1954 Sonoma Pepperwood Ranch. In pasture at bottom of Hansel's driveway. Comment
  CAS-BOT-BC190472  Cynosurus echinatus Mary P. Wells 1981-8-2 s.n. Sonoma Trail north off Crow's Nest Road and east of Spy Glass Lane. The Sea Ranch. Comment
  UC1011015  Cynosurus echinatus Virginia Bufford 1936-5-1 154 Sonoma head of Bodega Canyon Comment
  UC1146682  Cynosurus echinatus Freed W. Hoffman 1941-6-1 2186 Sonoma Oregon Canyon; North Coast Ranges, Oregon Canyon Comment
  SD99411  Cyperus eragrostis Christopher Davidson 1977-6-17 5876 Sonoma State Highway 12; ca. 3 miles west of Guerneville; sand bar in Russian River; riparian zone along Russian River bordered by coast redwood forest. 14 Comment
  UC727744  Cyperus eragrostis Milo S. Baker 1946-8-17 11556 Sonoma at Sebastopol Crossing La Laguna Comment
  CAS-BOT-BC114439  Cyperus erythrorhizos Peter Rubtzoff 1961-9-20 4757 Sonoma Lagune de Santa Rosa, NE of Graton, near Guerneville Road crossing. Comment
  CAS-BOT-BC114228  Cyperus fuscus Peter Rubtzoff 1987-10-17 9872 Sonoma Russian River ca. 6 mi E of Guerneville. Comment
  CAS-BOT-BC113910  Cyperus niger var. capitatus Peter Rubtzoff 1964-8-26 5477 Sonoma Marsh 5 mi NE of Penngrove on Lichan Rd. 213 Comment
  JEPS97535  Dactylis glomerata R. D. Stone 1980-11-29 327 Sonoma Northern part of the Sea Ranch development N of Stewart's Point. Comment
  CAS-BOT-BC210056  Danthonia californica Peter Rubtzoff 1959-5-30 4072 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC210134  Danthonia californica Peter Rubtzoff 1958-5-10 3642 Sonoma Laguna de Santa Rosa east of Cunningham, near the Llano road crossing. Comment
  UCD60988  Danthonia californica John Thomas Howell 1930-6-8 5217 Sonoma 8 miles W of Petaluma on Bodega Road. Comment
  UCD60989  Danthonia californica Beecher Crampton 1966-5-10 7724 Sonoma 6.5 miles north of Sonoma State Hwy. 12. Comment
  UCD60460  Danthonia californica David L. Morgan 1956-5-17 s.n. Sonoma On Watmaugh Rd., 1/2 mile W of the junction of Arnold Dr. Comment
  SEINET10827987  Danthonia californica var. americana Thomas J. Howell 1935-5-5 Howell 12611 Sonoma Low hills, 6 miles from Santa Rosa, on road to Sonoma. Comment
  UCD32527  Danthonia californica var. americana Beecher Crampton 1954-5-9 1838 Sonoma Sonoma County, road to Santa Rosa, 4 miles west of Calistoga. Comment
  RSA0020090  Datura stramonium Peter Rubtzoff 1971-8-23 6651 Sonoma Laguna, Chileno Valley. Comment
  SEINET12327555  Datura stramonium W. Knight, Knight, I.; Edwards, S. W. 1984-1 5054 Sonoma at edge of Willow Creek between Corona Rd & Denman Flat Comment
  UCD166101  Datura stramonium Peter Rubtzoff 1971-8-23 6651 Sonoma Laguna, Chileno Valley. Comment
  UCR37765  Daucus carota A. C. Sanders 1985-1-19 5374 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  UCD127398  Daucus carota J. M. Tucker; C. H. Lamoureux 1958-6-8 3408 Sonoma beside State Highway 12, 1.6 miles southeast of center of Guerneville. Comment
  SBBG5179  Daucus pusillus H. and M. Dearing 1939-5-14 3363 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCD131046  Deinandra corymbosa Mary M. Hektner 1975-8-14 223 Sonoma road cut not far from hedgerow separating Units 28 and 34-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC292097  Delairea odorata Greg de Nevers 1986-12-17 8117 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC9575  Delphinium bakeri Milo S. Baker 1929-5-3 3429 Sonoma Coleman Valley Comment
  CAS-BOT-BC9023  Delphinium decorum M. Hallet 1927-4-1 s.n. Sonoma Graton Comment
  RSA31776  Delphinium decorum A. A. Heller 1938-5-14 15089 Sonoma East of Bodega Bay. Comment
  JEPS23883  Delphinium decorum subsp. decorum A. A. Heller 1938-5-14 15089 Sonoma steep slope just e Bodega Bay Comment
  UC424822  Delphinium decorum subsp. decorum Milo S. Baker Apr. 1930 4959 a Sonoma near Stewart's Point Comment
  UC725453  Delphinium luteum A. A. Heller 1940-5-17 15634 Sonoma on steep hillside along State Hwy 1 about a mile or so e Bodega Bay Comment
  UC854139  Delphinium luteum L. S. Rose 1939-5-14 39120 Sonoma 1 mi. E of Bodega Bay, Sonoma Co. Comment
  UC906492  Delphinium nudicaule J. Ewan 1935-5-12 9234 Sonoma 1/4 mi from road on n side (mouth of creek on ne shore of bay); Bodega Bay, Salmon Creek Comment
  UCD160218  Delphinium nudicaule James A. Neilson Jr. 1974-5-17 2889 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, along road to PG and E geothermal units 9 and 10, northeast Sonoma County. (Elevation and georeferencing estimated by label maker.) 1005 Comment
  UCR265118  Delphinium nudicaule Ann Howald 2015-4-1 3316 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 520 Comment
  CAS-BOT-BC121723  Delphinium patens subsp. patens Volney Rattan 1880-1-1 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC121724  Delphinium patens subsp. patens Gregory Clark de Nevers 1981-5-2 924 Sonoma Pepperwood Preserve, N slope of high hill E of 3 Tree Hill. Comment
  UC353904  Delphinium variegatum Milo S. Baker 1926-7 2140 a Sonoma Bennet Val Road near Summit Comment
  UC118590  Delphinium variegatum subsp. variegatum T. S. Brandegee Sonoma Santa Rosa Comment
Read comments
Nov 9 2006
  UC703181  Delphinium variegatum subsp. variegatum John Thomas Howell 1941-4-5 16175 Sonoma 1 mi s El Verano Comment
  UC906463  Delphinium variegatum subsp. variegatum J. Ewan 1935-5-12 9241 Sonoma 2 mi n Kenwood; Los Guilicos Comment
  CAS-BOT-BC5964  Dendromecon myrtifolia Amos Arthur Heller; H. E. Brown 1902-5-29 5618 Sonoma Mt. Hood Comment
  SEINET10620911 Image available Dendromecon rigida A. Arthur Heller, H. E. Brown 1902-5-29 Heller 5618 Sonoma Mt. Hood. Comment
  SEINET12091842  Dendromecon rigida F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -105 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12, ca 1.6 mi N of Cavedale Rd from jct 396 Comment
  UCD68044  Dendromecon rigida Linda Martin 1976-5-29 4 Sonoma On Trinity Road, 2.4 miles West of junction with Highway 12. Found in a chaparral plant association, dominated by madrone and fir, on the roadside, in full sunlight, on stoney loose soil. A perennial woody shrub with shredding white bark, 1.5 m high. Flowers, yellow. 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
  POM313170  Deschampsia cespitosa subsp. cespitosa H. L. Mason 1946-7-4 12885 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UCD63778  Deschampsia cespitosa subsp. holciformis Beecher Crampton 1957-7-11 4334 Sonoma 1.3 miles north of Salmon Creek. Comment
  UCD63790  Deschampsia cespitosa subsp. holciformis P. B. Kennedy 1916-7-17 Sonoma Del Mar. Comment
  UCD63803  Deschampsia cespitosa subsp. holciformis David L. Morgan 1956-6-26 Sonoma Bank above Shell Beach, 1/4 mile south of Goat Rock. Comment
  UCD63810  Deschampsia cespitosa subsp. holciformis Beecher Crampton 1957-7-11 4322 Sonoma Along State Hwy. 1, about 0.8 miles north of Salmon Creek, Sonoma Coast State Park. Comment
  RSA785370  Deschampsia elongata Peter Rubtzoff 1964-6-24 5369 Sonoma Lower Salmon Creek Marsh. Comment
  UCD63718  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3555 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  RSA126963  Deschampsia holciformis H. S. Yates 1937-6-6 6586 Sonoma 5 miles S. of Jenner. 30 Comment
  RSA759693  Dichanthelium acuminatum var. acuminatum R. D. Stone, G. Clifton 1983-6-16 553 Sonoma Little Geysers, upper Big Sulphur Creek drainage. 701 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
  CHSC20585  Dichelostemma congestum Robert A. Schlising; Glenn Keator 1965-5-22 2824 Sonoma About 1 mile north of Occidental; Comment
  CAS-BOT-BC502551  Dichelostemma congestum Alice Eastwood 1921-5-8 10437 Sonoma Petaluma Comment
  SEINET6879167  Dichelostemma congestum Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 7.8 miles south-southeast of Annapolis. Comment
  UCD139158  Dichelostemma congestum Frederica Bowcutt 1996-5-24 2170 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek and below confluence of Malm Fork. Along Meadow Trail. 381 Comment
  POM264531  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma Five miles north of Jenner. Comment
  CAS-BOT-BC176147  Digitaria Peter Rubtzoff 1971-8-23 6643 Sonoma Stony Point Road, just S of Hwy. 116. Comment
  UCD64005  Digitaria sanguinalis Collector Unknown 1941-11-1 Sonoma Santa Rosa Cr. by old S.P. R.R. Comment
  CAS-BOT-BC151750  Diplacus kelloggii A. A. Heller; H. E. Brown 1902-4-14 5282 Sonoma Near Mark West Springs Comment
  RSA0022417  Distichlis Peter Rubtzoff 1971-8-23 6644 Sonoma Stony Point Road, just S of Hwy 116. Comment
  CAS-BOT-BC182753  Distichlis spicata Peter Rubtzoff 1955-8-20 2065 Sonoma Bodega Harbor Marsh. Comment
  SEINET10564424  Distichlis spicata var. stricta George B. Van Schaack 1957-9-5 Van Schaack 3609 Sonoma In soft sand of salt marsh. Thick stand with Salicornia spp. Bodega Bay. Comment
  CHSC97901  Dittrichia graveolens S. Ostrom 2006-9-1 PDR 1328648 Sonoma Windsor; Shiloh Rd. and Business Park Ct. Roadside. 35 Comment
  JEPS76928  Dodecatheon hendersonii Robert M. Lloyd 1963-2-24 2051 Sonoma 3 mi ne Forestville (on road to US 101) Comment
  SBBG40349  Dodecatheon hendersonii W. J. Dress 1951-2-19 Sonoma ca. 8 mi W of Calistoga Comment
  UC1244031  Downingia concolor var. concolor John H. Weiler 1959-4-26 5960 Sonoma about 1 mi se Schellville (along State Highway 36) Comment
  UC890656  Downingia concolor var. concolor Alice Eastwood 1921-4-24 10327 Sonoma Santa Rosa Comment
  UCD84092  Downingia concolor var. concolor Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. Vernal Pool. 37 Comment
  CAS-BOT-BC154131  Downingia concolor var. concolor Peter Rubtzoff 1966-6-5 5752 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road. Comment
  POM59149  Downingia concolor var. concolor A. A. Heller, H. E. Brown 1902-6-2 s.n. Sonoma Santa Rosa. Comment
  SD108305  Downingia concolor var. concolor Walter Knight, Irja Knight 1980-5-12 Sonoma 0.5 mile south of junction of highways 116 and 121 in Sonoma Valley. Comment
  CAS-BOT-BC154161  Downingia pusilla Peter Rubtzoff 1972-4-23 6728 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC164682  Downingia pusilla Peter Rubtzoff; H. A. Froebe 1971-5-30 6494 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  UCD166073  Downingia pusilla Peter Rubtzoff; H. A. Froebe 1971-5-30 6494 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC401546  Drosera rotundifolia Peter Rubtzoff 1951-7-8 393 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC159445  Drymocallis glandulosa var. glandulosa Peter Rubtzoff 1952-6-10 1222 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC159448  Drymocallis glandulosa var. glandulosa A. A. Heller 1903-4-25 6598 Sonoma Fort Ross Comment
  CAS-BOT-BC527348  Drymocallis glandulosa var. reflexa F. G. Krauss 1894-5-1 s.n. Sonoma Mountains near Calistoga Comment
  UCR222528  Dryopteris arguta George K. Helmkamp, E. A. Helmkamp 2010-6-5 16249 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  UCR228707  Dryopteris arguta Frederica Bowcutt, Jolie Henricks, Jeff Kennedy 1994-5-1 1754 Sonoma Sugarloaf Ridge State Park, c. 50 air mi N of San Francisco and c. 10 air mi east of Santa Rosa; c. 1.5 air mi N of Kenwood; c. 18 air mi NW of Napa. Adobe Canyon along Goodspeed Trail c. 200 yards from just east of Bear Creek c. 5 yards north of confluence with Sonoma Creek 198 Comment
  CAS-BOT-BC428183  Dudleya cymosa subsp. cymosa John Thomas Howell 1932-10-9 10814 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  UCD98756  Dysphania botrys Peter Rubtzoff 1956-9-14 2881 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC210143  Echinochloa Peter Rubtzoff 1978-9-10 9264 Sonoma Russian River at Del Rio Beach, ca. 2.5 miles east of Healdsburg on South Fitch Mountain Road. Comment
  CAS-BOT-BC176200  Echinochloa crus-galli Peter Rubtzoff 1956-9-14 2861 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD61074  Echinochloa muricata P. B. Kennedy 1925-8-4 Sonoma Petaluma. Comment
  UCD166256  Eleocharis Peter Rubtzoff 1970-8-18 6313 Sonoma 5 miles north of Sears Point. 11 Comment
  CAS-BOT-BC113737  Eleocharis acicularis var. gracilescens Peter Rubtzoff 1951-7-14 465 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC113143  Eleocharis palustris John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC112193  Eleocharis radicans Peter Rubtzoff 1951-7-14 418 Sonoma Pitkin Marsh, near Forestville: Northern half of Lower Marsh. Comment
  CAS-BOT-BC112194  Eleocharis radicans Peter Rubtzoff 1951-9-2 703 Sonoma Pitkin Marsh, near Forestville: Northern half of Lower Marsh. Comment
  CAS-BOT-BC112201  Eleocharis radicans Peter Rubtzoff 1961-10-15 4761 Sonoma Vacation Beach, 2 mi. below Guerneville. West margin of a pool on Russian River bottom. Comment
  CAS-BOT-BC112271  Eleocharis rostellata Peter Rubtzoff 1951-7-21 495 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  JEPS45815  Elymus californicus Eleanor Armstrong 1932-5-23 167 Sonoma 1 mi w of Camp Meeker (near coast) 91 Comment
  UCD62282  Elymus glaucus R. Tofsrud 1947-6-17 189 Sonoma Old Santa Rosa cemetery at end of Mc Donald Ave. Comment
  UCR255679  Elymus glaucus Greg de Nevers 1989-1 9065 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  UCR32117  Elymus glaucus David J. Keil 1983-6-30 17211 Sonoma Stillwater Cove Regional Park Comment
  CAS-BOT-BC203712  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-3 1150 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC203706  Elymus glaucus subsp. glaucus K. Wagnon 1939-5-20 209 Sonoma Along road by Santa Rosa Airport Comment
  UC1153909  Elymus glaucus subsp. virescens Beecher Crampton 1957-7-11 4311 Sonoma 1.4 mi se Bodega Bay (along State Hwy 1) Comment
  UCD37354  Elymus glaucus subsp. virescens Beecher Crampton 1959-6-16 5399 Sonoma Sonoma County, 1.5 miles southeast of Bodega Bay, along State Highway 101. Comment
  UC70815  Elymus multisetus Dr. Ed. Palmer 1892-1 2422 Sonoma Petaluma Comment
  UC1011038  Elymus multisetus Virginia Bufford 1936-5-20 317 Sonoma Mark West Road; Napa-Sonoma Co. line Comment
  CAS-BOT-BC204307  Elymus trachycaulus subsp. trachycaulus G. DeNevers 1981-6-6 1454 Sonoma Pepperwood Ranch. At first Pepperwood entrance Comment
  CAS-BOT-BC268062  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1964-8-26 5486 Sonoma Marsh, 5 miles northeast of Pengrove on Lichan Road. 213 Comment
  POM231111  Epilobium ciliatum subsp. watsonii Jens Clausen 1935-5-24 1082 Sonoma 3.7 miles south of Jenner on the Bodega road Comment
  UCR248959  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5339 Sonoma Bodega Bay Marsh 15 Comment
  UC909712  Epilobium densiflorum Milo S. Baker July 1950 12305 Sonoma along old r.r. right-of-way about 1 1/2 mi nw Kenwood (along Lawndale Rd) Comment
  RSA155508  Epilobium hallianum L. S. Rose 1962-6-1 62060 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  SD251253  Epilobium hallianum Peter Rubtzoff 1962-6-1 4855 Sonoma Freestone Marsh. Comment
  UC19963  Epilobium torreyi H. N. Bolander 1867-1 6535 Sonoma Cloverdale; ; Cloverdale, Sonoma Co. Comment
  CAS-BOT-BC210075  Equisetum Peter Rubtzoff 1973-8-21 7255 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  JEPS79608  Equisetum hyemale subsp. affine Edward Lee 1978-12-10 Sonoma Hood Mt. Park Comment
  SEINET6032328  Equisetum hyemale var. affine P. L. Henderson 1977-4-30 77 -7 Sonoma Bodega Bay, Bodega Head Comment
  CAS-BOT-BC164076  Equisetum laevigatum Peter Rubtzoff 1959-8-22 4230 Sonoma South Fork Eel River in Edward R. Hickey State Park. Comment
  RSA239707  Equisetum laevigatum Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1093 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  CAS-BOT-BC57654  Equisetum telmateia J. W. Congdon 1880-4-13 s.n. Sonoma Santa Rosa Road Comment
  UC750802  Equisetum telmateia subsp. braunii Charles B. Heiser Jr. 1946-4-14 1729 Sonoma 3 mi w Duncan Mills (banks of Russian River) Comment
  UCD135614  Equisetum telmateia subsp. braunii Linda A. Bell 1975-5-18 159 Sonoma State Highway 1, ca. 1/2 mile south of its junction with State Highway 116. 22 Comment
  UCD135711  Equisetum telmateia subsp. braunii Mary M. Hektner 1976-12-15 281 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC576297  Eragrostis cilianensis L. Whitney 1935-10-2 3634 Sonoma Santa Rosa; Santa Rosa Quad. 60 Comment
  UCR131632  Eragrostis diffusa Beecher Crampton 1953-11-18 1736 Sonoma Knights Valley, 10 miles northwest of Calistoga, along State Highway 128 290 Comment
  CAS-BOT-BC284191  Eragrostis pectinacea var. pectinacea David Morgan 1960-6-1 s.n. Sonoma Denman Flats 3 mi. s. of Cotati on road to Petaluma Comment
  RSA169314  Eremocarpus setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 miles NE of Penngrove. 427 Comment
  RSA0062824  Ericameria arborescens Greg de Nevers 1989-9-5 9100 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC376287  Erigeron Greg de Nevers 1992-6-16 10173 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek 304 Comment
  UC31491  Erigeron biolettii J. Burtt Davy 1896-7-22 4147 Sonoma below Guerneville (on rocks); Russian River Comment
  RSA696823  Erigeron glaucus J. Russell Bruff 1936-8-21 s.n. Sonoma Bodega Bay region Comment
  UCSB50241  Erigeron glaucus Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach; T6n R11W 18 Comment
  CAS-BOT-BC300249  Erigeron reductus var. angustatus G. DeNevers 1981-6-6 1451 Sonoma Pepperwood Ranch. Franz Valley Road Comment
  HSC101104  Erigeron serpentinus Peter Warner 2011-8-23 234 Sonoma Jenner Headlands property, lower Middle Pasture, ~ 100 m E of Dairy Field fence 125 Comment
  RSA551257  Erigeron sumatrensis Mary P. Wells 1990-1-3 1027 Sonoma Edge of large parking lot two blocks west of Laguna de Santa Rosa Creek, Sebastapol Comment
  CAS-BOT-BC300303  Erigeron supplex Mary P. Wells 1985-6-3 516 Sonoma Drive off Wild Fern Close, The Sea Ranch Comment
  CAS-BOT-BC300304  Erigeron supplex Mary P. Wells 1984-6-8 338 Sonoma Site of North Fire station area. Near Milepost 55.44 on Hwy. 1. The Sea Ranch Comment
  JEPS128291  Eriogonum cedrorum Roger Raiche 2008-7-26 018 .08 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET11933016  Eriogonum compositum Unknown 1983-1 30373 Sonoma S side of Sweetwater Springs Rd, 3.9 mi W on Sweetwater Springs Rd. from its origin at W side hwy 122 Comment
  CAS-BOT-BC259264  Eriogonum latifolium John Thomas Howell 1930-7-27 5402 Sonoma 1 mile north of Fort Ross Comment
  JEPS78470  Eriogonum latifolium Edward Lee 1936-6-21 2244 Sonoma 2.2 mi on Bodega-Bodega Bay Road Bodega Bay Comment
  RSA149622  Eriogonum latifolium George W. Barclay 1839-09 3033 Sonoma Bodegas Comment
  RSA766132  Eriogonum latifolium J. T. Howell 1930-6-8 5257 Sonoma 1 mile east 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-BC259267  Eriogonum latifolium Mrs. H. P. Bracelin 1930-7-27 24 Sonoma Two miles north of Bodega Bay Comment
  CAS-BOT-BC261683  Eriogonum nudum var. nudum A. A. Heller 1902-7-8 5814 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC261684  Eriogonum nudum var. nudum C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  CAS-BOT-BC261693  Eriogonum nudum var. nudum G. DeNevers 1981-6-27 1713 Sonoma Pepperwood Ranch. Road cut at summit of Franz Valley Road Comment
  CAS-BOT-BC261694  Eriogonum nudum var. nudum R. F. Hoover 1952-6-1 1132 Sonoma Fitch Mtn. Grove, nr. Healdsburg Comment
  RSA222  Eriogonum nudum var. nudum E. R. Johnson 1928-8-22 1107 Sonoma Russian River, 1/2 mile E of Cloverdale Comment
  RSA393332  Eriogonum nudum var. nudum Christopher Davidson 1977-6-20 6022 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  SEINET11933967  Eriogonum ternatum Unknown 1984-1 40234 Sonoma The Cedars,5 mi N of Cazadero on King Ridge Rd, headwaters of Big Austin Creek 549 Comment
  CAS-BOT-BC262386  Eriogonum vimineum Greg de Nevers 1986-9-10 8110 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD131466  Eriophyllum confertiflorum var. confertiflorum Frederica Bowcutt 1994-6-25 1919 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. Brushy Peak Trail about 1/4 mi. from Gray Pine Trail. 670 Comment
  SBBG20895  Eriophyllum lanatum A. I. Richardson 1961-5-16 18 Sonoma Sweetwater Springs Rd, 1 mi beyond turn to Armstrong Redwoods State Park, N of Guerneville Comment
  CDA5239  Eriophyllum lanatum var. achilleoides G. D. Barbe 1982-5-27 3619 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment
  OBI35873  Eriophyllum lanatum var. achilleoides David J. Keil 1983-6-29 17199 Sonoma Ca. 10 mi SE of Ft. Ross along Hwy 1. Comment
  CAS-BOT-BC301278  Eriophyllum lanatum var. arachnoideum A. A. Heller; H. E. Brown 1902-4-11 5262 Sonoma Bodega Bay Comment
  RSA719882  Eriophyllum staechadifolium Linda E. Watson 1996-5-19 s.n. Sonoma At Bodega Bay, 2 miles N of Salmon Creek, Bodega Bay Population of Clausen, keck, and Heisey studies on ecotypes. Comment
  UCD132259  Eriophyllum staechadifolium Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 36 A Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. 0 Comment
  CDA13482  Eryngium aristulatum G. F. Hrusa, Allen Buckman 1997-7-21 14010 Sonoma North Coast Biodiversity Arena; approx. 200 m. W of Hwy 128 in drainage of Blossom Creek, 2 km. NW of Tubbs Lane int. Sheet 1 of 2 Comment
  CDA20983  Eryngium aristulatum G. F. Hrusa 1997-7-5 14010 a Sonoma North Coast Biodiversity Arena; Small vernal pool approx. 200 m. W of Hwy 128 in drainage of Blossom Creek, 2 km. NW of Tubbs Lane int. Comment
  HSC92211  Eryngium armatum A. T. Austin 1990-5-23 Sonoma Fort Ross State Park, FR 42 Comment
  UCD38723  Eryngium armatum Beecher Crampton 1957-7-11 4324 Sonoma Sonoma Coast State Park. 0.8 miles north of Salmon Creek. Comment
  UC1931037  Eryngium constancei G. F. Hrusa 1996-10-5 13582 A Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m SW of Calistoga. 700 Comment
Read comments
Jan 8 2013
  POM143108  Erysimum concinnum A. A. Heller, H. E. Brown 1902-5-27 5607 Sonoma Bodega Bay Comment
  SEINET12044880  Erythronium helenae E. I. Applegate 1934-1 8855 Sonoma headwaters of Sulpher Creek, opposite Old Sonoma quicksiver mine 610 Comment
  CAS-BOT-BC402864  Eschscholzia caespitosa Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy. 3 mi north of Occidental Comment
  CAS-BOT-BC402863  Eschscholzia caespitosa W. R. Ernst 1959-5-3 543 Sonoma About 1 mile southeast of Rionido Comment
  SD40082  Eschscholzia californica Edith A. Purer 1932-7-29 4047 Sonoma Bodega Bay. Comment
  UCR44930  Eschscholzia californica L. F. LaPre 1986-6-2 s.n. Sonoma Red Slide, serpentine rockslide along upper East Austin Creek, 5 mi north of Cazadero, 3 mi up a private road from Mannings Flats, Austin Creek State Recreation Area 305 Comment
  CAS-BOT-BC5891  Eschscholzia debilis Gwendolan Newell 1900-8-1 s.n. Sonoma Russian River Station Comment
  CAS-BOT-BC202536  Euphorbia Peter Rubtzoff 1986-9-28 9747 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC376389  Euphorbia Greg de Nevers 1993-4-27 10405 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley School Road. 400 Comment
  UCR2752541  Euphorbia Peter Rubtzoff 1969-8-29 6180 Sonoma North Coast Range, Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road 37 Comment
  CAS-BOT-BC540836  Euphorbia Peter Rubtzoff 1970-9-2 6359 Sonoma Mirabel Park; Russian River bottom Comment
  JEPS51865  Euphorbia crenulata W. L. Jepson 1923-6-28 10012 Sonoma Kenwood Sonoma Canyon (Sonoma Canyon) 243 Comment
  UC110453  Euphorbia crenulata Katharine Brandegee Jun 1905 Sonoma Bodega Comment
  CDA34798  Euphorbia oblongata Peter Warner 2010-4-22 134 Sonoma State Hwy. 128, ~3.03 mi (fr. N) at turnout on E side of road at metal gate, about 2 NW of Cloverdale. Comment
  CAS-BOT-BC354322  Euthamia occidentalis Peter Rubtzoff 1960-9-17 4560 Sonoma Laguna de Santa Rosa east of Graton, between Occidentalis and Guerneville roads. Comment
  CAS-BOT-BC164358  Fabaceae Peter Rubtzoff 1971-5-30 6504 Sonoma Vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC239723  Fabaceae Peter Rubtzoff 1973-8-29 7288 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente Comment
  CAS-BOT-BC239724  Fabaceae Peter Rubtzoff 1970-5-16 6226 Sonoma 5 miles north of Sears Point Comment
  RSA0056426  Festuca arundinacea Greg de Nevers 1998-6-10 11276 Sonoma Modini Mayacama Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  SD56833  Festuca californica D. F. Howe 1963-5-23 3528 Sonoma 3.8 miles north of Cloverdale on #128 334 Comment
  UC729997  Festuca californica Leo F. Koch 1940-4-20 805 Sonoma 9 mi s Stewarts Point (along Highway 1) Comment
  CAS-BOT-BC283183  Festuca californica subsp. californica G. DeNevers 1981-6-15 1543 Sonoma Along the stream down from the Rogers Apple Orchard, Pepperwood Ranch Comment
  CAS-BOT-BC283184  Festuca californica subsp. californica G. DeNevers 1981-5-23 1293 Sonoma Lower Pepperwood entrance, Pepperwood Ranch Comment
  CAS-BOT-BC283193  Festuca californica subsp. californica Mary P. Wells 1984-5-24 276 Sonoma Annadel State Park, Santa Rosa Comment
  CAS-BOT-BC283194  Festuca californica subsp. californica John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells; Gordon H. True 1981-5-14 54013 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on teh west slope of Sonoma Mountain 457 Comment
  RSA123473  Festuca californica var. californica H. S. Yates 1934-4-21 s.n. Sonoma Near Bodega Port 8 Comment
  UC38544  Festuca idahoensis Michener and Bioletti 1893-7-31 119 Sonoma Hood's Peak Comment
  SEINET10559306  Festuca occidentalis A. Arthur Heller 1902-4-4 Heller 5221 Sonoma Hills near Santa Rosa. Comment
  SEINET6632138  Festuca pacifica D. F. Howe 1963-1 3530 Sonoma 4 mi. no. of Cloverdale on #128 335 Comment
  UC576342  Festuca roemeri H. S. Yates 1937-5-31 6558 Sonoma near Alpine School; Calistoga Quad. 304 Comment
  CAS-BOT-BC279076  Festuca rubra D. E. Breedlove 1980-6-28 44795 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC917286  Fragaria chiloensis R. H. Miller 1949-4-6 25 Sonoma approx. 5 mi S of Jenner (Route 1) Comment
  UC924277  Fragaria chiloensis H. S. Reed 1947-5-7 215 Sonoma Bodega 15 Comment
  UCR5850  Fragaria chiloensis Frank C. Vasek 1966-7-16 660716- 02 Sonoma Central Coast, Bodega Bay, Doran County Beach 1 Comment
  UCD113202  Fragaria chiloensis R. H. Miller 1949-4-6 25 Sonoma Coast Route 1, approximately 5 miles south of Jenner. Comment
  UCD35634  Frangula californica Beecher Crampton 1959-6-16 5363 Sonoma 3 miles west of Graton. Comment
  UCSB22888  Frangula californica subsp. californica Von Grafen, Helen 1928-8-20 Sonoma No data Comment
  JEPS44085  Fraxinus latifolia W. L. Jepson 1903-10-4 2364 Sonoma near Guerneville; Bohemian Club Grove Comment
  UC1299612  Fremontodendron californicum subsp. californicum Freed W. Hoffman 1947-4-13 779 Sonoma near Guerneville (North Coast Ranges, Gilliam Creek, a branch of East Austin Creek); North Coast Ranges, Gilliam Creek Comment
  UC1084349  Fritillaria affinis G. Thomas Robbins 1937-3-25 4 Sonoma Bennett Valley, Sonoma Creek Sonoma Creek; Bennett Valley, Sonoma Creek Comment
  UC1577343  Fritillaria affinis Baki Kasapligil 1971-3-20 4396 Sonoma 8 mi s of Santa Rosa (Kenwood, along Sonoma Creek); Kenwood, Sonoma Creek 240 Comment
  UC3652  Fritillaria affinis M. L. Dinglass 1898-3-1 Sonoma Glen Ellen Comment
  UCD168039  Fritillaria affinis James A. Neilson Jr. 1981-3-13 3992 Sonoma Mayacmas Mountains, east tributary of Hummingbird Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCD139713  Fritillaria affinis UC Davis Botany 102 Students 1993-4-17 48 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sugarloaf Ridge. Near group campground. Comment
  UC72490  Fritillaria recurva Milo S. Baker 1902-3-27 Sonoma Hood's Peak Comment
  CAS-BOT-BC508139  Fritillaria recurva John Thomas Howell 1934-3-26 11782 Sonoma Southwestern base of Mt. Hood Comment
  UCD151094  Galium andrewsii James A. Neilson Jr. 1974-6-1 3552 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  RSA44297  Galium andrewsii E. Z. Lovegrove 1946-4-28 s.n. Sonoma Mt St Helena. Comment
  JEPS52911  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-10-26 3946 Sonoma 0.8 mi from Fort Ross (on road to Seaview) Comment
  RSA67159  Galium californicum subsp. californicum J. T. Howell 1930-6-8 5246 Sonoma 1 mile east of Bodega Bay Comment
  HSC100970  Galium muricatum Peter Warner 2011-5-26 209 Sonoma Cresta Ranch, (off Mark West Springs Rd. at Mark West Lodge), ~540 m South of Cresta Rd. 0 Comment
  UCD121901  Galium porrigens var. porrigens Frederica Bowcutt 1994-5-21 1831 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, about 10 air miles E of Santa Rosa, about 18 air miles NW of Napa, about 1.5 air miles N of Kenwood. Along Hillside Trail past the junction with Digger Pine trail approx. 1/4 mile. 411 Comment
  UC201102  Galium tricornutum Katharine Brandegee Sonoma Sebastopol Comment
  OBI35972  Galium triflorum David J. Keil 1983-6-29 17198 Sonoma Ca 10 mi SE of Ft Ross along hwy 1 Comment
  UCD121945  Galium triflorum Frederica Bowcutt 1984-6-23 428 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. Immed. SW of park entrance, W of Hwy 1 and NW of Gerstle Cove along park road. 30 Comment
  UCR255027  Gamochaeta pensylvanica Greg de Nevers 1993-5-30 10463 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 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
  RSA603802  Gamochaeta ustulata D. D. Keck, Jens Clausen 1935-6-15 3370 Sonoma 1 mile north of Salmon Creek (North of mouth of Salmon Creek.) Comment
  UC665535  Gamochaeta ustulata Annetta Carter and Ethel Crum 1941-6-22 2148 Sonoma 3.3 mi e Bodega Bay; North Coast Ranges Comment
  UC727700  Garrya elliptica Milo S. Baker 1946-2-7 11261 Sonoma near Kenwood (Maplewood); Maplewood Comment
  UC1122675  Garrya flavescens J. B. Spring 1932-7-7 98 Sonoma 2/5 mi sw Veeder Mountain; Napa Quad. 609 Comment
  UCD162159  Garrya fremontii D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1513 Sonoma Hooker Creek watershed. 450 Comment
  POM188277  Gastridium phleoides Marcus E. Jones 1931-7-5 29208 Sonoma The Geysers. Comment
  UCR248753  Gastridium ventricosum Peter Rubtzoff 1970-9-2 6366 Sonoma Russian River bottom at Mirabel Park 5 Comment
  UCR248772  Gastridium ventricosum Peter Rubtzoff 1971-7-9 6599 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  UCR248909  Gastridium ventricosum Peter Rubtzoff 1974-6-2 7527 Sonoma Upper Green Valley Marsh Comment
  POM316490  Gaultheria shallon Patricia Wilder 1965-6-10 3651 Sonoma Seaview road, ca. 1 miles north of junction with Fort Ross road. 549 Comment
  UCD105744  Genista monspessulana G. H. Vansell 1933-7-24 s.n. Sonoma Russian River. Comment
  UC17122  Geranium carolinianum H. N. Bolander 1864-1 3845 Sonoma Cloverdale Comment
  RSA0026778  Geranium carolinianum Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  UC1130338  Geranium molle H. S. Yates 1934-4-21 3823 Sonoma near Duncan Mills; Duncan Mills Quad. 60 Comment
  RSA83102  Gilia capitata Verne Grant, Alva Grant 1947-5-4 7960 Sonoma Rincon grade, 4 miles northwest of Santa Rosa on road to petrified forest. Comment
  JEPS69553  Gilia capitata subsp. chamissonis W. S. Cooper 1925-7-25 88 Sonoma Bodega Pt. Comment
  POM65744  Gilia capitata subsp. chamissonis A. A. Heller, H. E. Brown 1902-5-27 s.n. Sonoma Bodega Bay. Comment
  JEPS117089  Gilia capitata subsp. pacifica Peter Warner 2010-5-20 157 Sonoma Jenner Headlands, upper Middle Pasture, ~160 m W of road (Willig Extension Dr.) at drainage, ~ 514 m W 305 deg. N of barn, ~ 15 m W of fence Comment
  POM179726  Gilia capitata subsp. tomentosa J. T. Howell 1930-6-8 5365 Sonoma 1 mile east of Bodega Bay Comment
  UC1745902  Gilia capitata subsp. tomentosa Annetta M. Carter, Edward Lee 1936-6-21 1200 Sonoma 2.2 mi. inland from Bodega Bay on road to Bodega. Comment
  CDA2721  Gladiolus italicus William J. Ferlatte 1974-5-1 Sonoma Northwest corner of East Washington and Adobe Road, Petaluma. 0 Comment
  CAS-BOT-BC435015  Glinus lotoides Peter Rubtzoff 1969-8-24 6146 Sonoma Pond on River Road 3 mi. west of Fulton. Comment
  CAS-BOT-BC227665  Glyceria Peter Rubtzoff 1964-5-30 5325 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa. Comment
  SEINET10849959  Glyceria P. Rubtzoff, Arnaud, P. 1966-5-7 Rubtzoff 5707 Sonoma North side of Hessel Road, just west of Hwy. 116. Comment
  RSA786494  Glyceria declinata Peter Rubtzoff 1966-5-29 5739 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road crossing). Comment
  RSA786495  Glyceria declinata Peter Rubtzoff 1968-8-24 5935 Sonoma Upper Salmon Creek Marsh. Comment
  UCR25306  Glyceria elata John C. Roos 1955-7-2 6643 Sonoma MIller Ridge. Comment
  CAS-BOT-BC282813  Glyceria leptostachya Peter Rubtzoff 1962-5-30 4850 Sonoma Freestone Marsh Comment
  CAS-BOT-BC282814  Glyceria leptostachya Peter Rubtzoff 1953-5-31 1422 Sonoma Guerneville Marsh Comment
  RSA227240  Glyceria leptostachya Peter Rubtzoff 1962-5-30 4850 Sonoma Freestone Marsh. Comment
  UCR280126  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5384 Sonoma Coleman Marsh 269 Comment
  RSA94258  Glyceria leptostachya Peter Rubtzoff 1951-6-17 285 Sonoma Northern half of Lower Marsh; Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC303862  Gnaphalium Peter Rubtzoff 1973-8-20 7240 Sonoma Sonoma Creek bottom near Agua Caliente Rd crossing W of Agua Caliente Comment
  CAS-BOT-BC173574  Gnaphalium Peter Rubtzoff 1970-10-3 6403 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  UCD166308  Gnaphalium Peter Rubtzoff 1966-8-29 5815 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC176163  Gnaphalium chilense Peter Rubtzoff 1974-8-4 7796 Sonoma Upper Green Valley Marsh. Comment
  RSA94012  Gnaphalium chilense Peter Rubtzoff 1951-8-19 654 Sonoma Near the creek, just north of the Lower Marsh 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-BC176133  Gnaphalium palustre Peter Rubtzoff 1955-8-7 2038 Sonoma Guerneville Marsh. Comment
  JEPS34012  Gnaphalium palustre Willis L. Jepson 1892-8-7 14749 Sonoma near Cloverdale (valley of the Russian River); Russian River Comment
  CAS-BOT-BC176134  Gnaphalium palustre Peter Rubtzoff 1951-9-3 740 Sonoma Vacation Beach, near Guerneville. Comment
  CDA6005  Gnaphalium purpureum T. C. Fuller 1958-5-24 3985 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CAS-BOT-BC261650  Gratiola Peter Rubtzoff 1969-6-14 6083 Sonoma Vernal pool, 6.5 miles northeast of Penngrove on Lichau Road 426 Comment
  RSA800609  Gratiola Peter Rubtzoff 1969-6-14 6083 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  JEPS87218  Gratiola ebracteata Jack and Betty Guggolz 1992-5-6 1280 Sonoma about 1 1/4 mi nw Windsor 42 Comment
  UCR242983  Gratiola ebracteata Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  RSA785226  Grindelia Peter Rubtzoff 1964-7-7 5392 Sonoma Laguna de Santa Rosa E of Graton. Comment
  CAS-BOT-BC305185  Grindelia hirsutula G. DeNevers 1981-6-6 1445 Sonoma Pepperwood Ranch. At the first Pepperwood entrance Comment
  CAS-BOT-BC305188  Grindelia hirsutula J. T. Howell 1930-7-13 5338 Sonoma Black Point road Comment
  CAS-BOT-BC305195  Grindelia hirsutula G. DeNevers 1981-5-23 1286 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  CAS-BOT-BC305198  Grindelia hirsutula Marcus E. Jones 1931-7-5 29142 Sonoma The Geysers Comment
  JEPS41926  Grindelia hirsutula F. T. Bioletti 1891-1 Sonoma Glen Ellen Comment
  POM58296  Grindelia hirsutula Michener, Bioletti 1893-06 s.n. Sonoma Glen Ellen Comment
  UC1784138  Grindelia hirsutula Ethel Crum 1930-1 735 Sonoma Petaluma Comment
  UC32145  Grindelia hirsutula Willis L. Jepson 1893-9-23 Sonoma Mt. St. Helena Napa River Basin, Mt. St. Helena Comment
  UC897044  Grindelia hirsutula Lewis S. Rose 1940-5-22 40364 Sonoma Sonoma 30 Comment
  RSA0001224  Grindelia hirsutula var. brevisquama J. T. Howell 1930-6-8 5221 Sonoma 8 miles w. of Petaluma. Comment
  CAS-BOT-BC123708  Grindelia hirsutula var. hirsutula John Thomas Howell 1930-7-13 5338 Sonoma 8 miles W of Petaluma on Bodega Road Comment
  UCD132575  Grindelia stricta var. platyphylla Mary M. Hektner; Cathy Hendel 1974-7-23 161 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET11689069  Hainardia cylindrica H. K. Wagnon 1989-1 1890 Sonoma adjacent to Fort Ross School's reservoir, Timber Cove 122 Comment
  UC30652  Harmonia nutans F. T. Bioletti 1892-5-15 Sonoma Hood's Peak; ; Hood's Peak, Sonoma Co. Comment
  CAS-BOT-BC306326  Hedypnois cretica G. DeNevers 1981-4-23 782 Sonoma Pepperwood Ranch. Pippindale farm. Slope above Hansel's Lake Comment
  CAS-BOT-BC306769  Helenium bigelovii Peter Rubtzoff 1951-6-7 114 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  RSA74050  Helenium bigelovii Milo S. Baker 1947-6-26 11834 Sonoma Cunningham Marsh, ca 1 mile SW of Cunningham Sta. (air line) Comment
  CAS-BOT-BC262949  Helenium puberulum Peter Rubtzoff 1955-7-31 2014 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC309589  Helenium puberulum Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  RSA800283  Helenium puberulum Peter Rubtzoff 1968-7-20 5927 Sonoma Upper Salmon Creek Marsh. Comment
  RSA800484  Helenium puberulum Peter Rubtzoff 1955-8-13 2043 Sonoma Duncan Mills Marsh. Upper portion of the marsh. Comment
  CDA6477  Helianthus gracilentus David J. Keil, V. L. Holland, Lynne Dee Oyler, G. F. Hrusa, G. L. Stebbins 1994-6-5 24503 Sonoma Along Cavedale Road ca. 1.5 miles from junction with Trinity Road, Mayacamus Mountains. Comment
  UCD148367  Helminthotheca echioides Peter Rubtzoff 1955-8-14 2050 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC268124  Hemizonia Peter Rubtzoff; Nancy Harrison 1974-9-7 7875 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  CAS-BOT-BC305993  Hemizonia David D. Keck; J. Clausen 1935-6-15 3371 Sonoma 1 mile north of mouth of Salmon Creek Comment
  UCD166266  Hemizonia Peter Rubtzoff 1970-9-3 6379 Sonoma Marsh off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek. Comment
  CAS-BOT-BC268123  Hemizonia Peter Rubtzoff 1975-8-15 8323 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC305994  Hemizonia Peter Rubtzoff 1966-8-25 5803 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads Comment
  RSA800288  Hemizonia Peter Rubtzoff 1962-10-9 5115 Sonoma Lower Salmon Creek Marsh. Comment
  CDA36844  Hemizonia congesta CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  RSA608263  Hemizonia congesta J. T. Howell, J. W. Stacey 1936-7-26 12672 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  UC89028  Hemizonia congesta Mrs. K. Curran 1888-6-1 Sonoma Verano Comment
  RSA81606  Hemizonia congesta James I. McMurphy 1908-9-26 s.n. Sonoma Foothills E of Fulton. Comment
  SDSU4563  Hemizonia congesta D. F. Howe 1965-8-8 4101 Sonoma 8 miles east of Bodega Bay on #1. Comment
  CAS-BOT-BC306179  Hemizonia congesta subsp. congesta 1909-6-20 s.n. Sonoma Fulton Comment
  CAS-BOT-BC306222  Hemizonia congesta subsp. congesta Alice Eastwood; John Thomas Howell 1936-7-4 3822 Sonoma 2 miles n. of Windsor Comment
  CAS-BOT-BC306235  Hemizonia congesta subsp. congesta Peter Rubtzoff 1951-6-17 266 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CDA6570  Hemizonia congesta subsp. congesta T. C. Fuller 1958-5-24 3992 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  LA203724  Hemizonia congesta subsp. congesta H. M. Hall; 1916-6-23 10241 Sonoma 12 km NW of Petaluma Comment
  UC134571  Hemizonia congesta subsp. congesta Katharine Brandegee 1905-6-1 Sonoma between Santa Rosa and Sebastopol Comment
Read comments
Jun 26 2010
  CAS-BOT-BC306238  Hemizonia congesta subsp. congesta J. McMurphy 1909-5-30 s.n. Sonoma Between Windsor & Healdsburg Comment
  CAS-BOT-BC306248  Hemizonia congesta subsp. congesta James I. McMurphy 1910-6-8 701 Sonoma Summit of Sonoma to Petaluma road Comment
  CAS-BOT-BC309685  Hemizonia congesta subsp. lutescens Lewis S. Rose 1964-8-26 64067 Sonoma 5 miles ne. of Penngrove 243 Comment
  CAS-BOT-BC309713  Hemizonia congesta subsp. lutescens David D. Keck 1933-11-6 2652 Sonoma 1/2 mi. S. of Jenner Comment
  JEPS86756  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1990-6-16 1063 Sonoma n side intersection of Occidental Road and Facindini Lane Comment
  OBI16237  Hemizonia congesta subsp. lutescens Robert F. Hoover 1969-8-31 11567 Sonoma Adobe Rd and Casa Grande Rd near Petaluma Comment
  UC89773  Hemizonia congesta subsp. lutescens A. A. Heller 1902-8-20 6054 Sonoma Lagoon at Sebastapol Comment
  CAS-BOT-BC309688  Hemizonia congesta subsp. lutescens Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5841 Sonoma Llano Road near sewage disposal plant at Laguna de Santa Rosa 45 Comment
  CAS-BOT-BC309695  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-10 717 Sonoma About a mi. W of Santa Rosa on road to Fulton Comment
  CAS-BOT-BC309698  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 711 Sonoma Summit between Sonoma and Petaluma Comment
  CAS-BOT-BC309714  Hemizonia congesta subsp. lutescens John Thomas Howell 1930-7-27 5409 Sonoma 8 miles south of Ft. Ross Comment
  CAS-BOT-BC309721  Hemizonia congesta subsp. lutescens J. Clausen 1932-9-20 719 Sonoma South of Santa Rosa Comment
  UC480911  Hemizonia congesta subsp. luzulifolia Katharine Brandegee 1910-8-14 Sonoma Cobb. Mt. Cobb Mt. Comment
  UC990617  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-8-8 705 Sonoma near Kenwood Comment
  UCR233088  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2806 Sonoma North Coast Ranges, Sonoma Valley, Glen Ellen area, entrance road to Sonoma Valley Regional Park, 0.1 mi. west of Hwy 12 110 Comment
  CAS-BOT-BC309940  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2731 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  POM181070  Hemizonia fitchii J. T. Howell 1930-9-14 5485 Sonoma 6 miles N of Geyserville. Comment
  RSA81605  Hemizonia lutescens James I. McMurphy 1909-8-9 711 Sonoma Hills between Sonoma and Petaluma. Comment
  UC174206  Heracleum lanatum Katharine Brandegee June, 1905 Sonoma Bodega Comment
  UC581114  Hesperevax sparsiflora var. sparsiflora H. L. Mason 1934-4-28 8098 Sonoma Highway between Santa Rosa and Healdsburg Comment
  HSC92191  Hesperocyparis goveniana A. T. Austin 1990-12-17 Sonoma Salt Point State Park Comment
Read comments
Jul 25 2018
  SD175774  Hesperocyparis sargentii D. G. Kelch 2006-6-24 06 323 Sonoma On serpentine along Harrison Grade. 167 Comment
  UC1212404  Hesperolinon spergulinum F. W. Hoffman 1950-6-16 3615 Sonoma near Mercuryville (on road from Healdsburg to Big Geysers) Comment
  UC66032  Hesperolinon spergulinum A. A. Heller 1902-6-24 5751 Sonoma near Santa Rosa Comment
  UC762263  Hesperolinon spergulinum Robert F. Hoover 1941-6-7 5317 Sonoma 2 mi se Monte Rio (on road to Camp Meeker) Comment
  OBI49064  Hesperolinon spergulinum Michener & Bioletti, Bioletti 1893-6-11 35 Sonoma Hoods Peak Comment
  SBBG7908  Heteranthemis viscidihirta E. D. Rowe -Jul-1940 Sonoma coast, Sonoma County [no specific locality] Comment
  SEINET10460647  Heterocodon rariflorum P. Rubtzoff 1963-5-26 Rubtzoff 5133 Sonoma BENNETT MTN LAKE, VERNALLY WET PARTIALLY SHADED GROUND Comment
  CAS-BOT-BC149832  Heteromeles arbutifolia Peter Rubtzoff 1952-6-15 1268 Sonoma Fitch Mtn. Grove, near Healdsburg Comment
  UC1128116  Heteromeles arbutifolia J. B. Spring, R. W. Lundh 1932-7-8 101 Sonoma 1 mi n Sonoma; Napa Quad. 152 Comment
  CAS-BOT-BC149828  Heteromeles arbutifolia Walter Knight; Irja Knight 1963-12-27 461 Sonoma Summit, Pine Flat Rd. Comment
  CAS-BOT-BC311021  Heterotheca oregona G. DeNevers; S. Castagnoli 1981-8-2 1797 Sonoma Pepperwood Ranch. Along Mark West Creek Comment
  UC75939  Heterotheca oregona var. oregona Miss M. Alice King 1897-10-1 Sonoma near Healdsburg; Dry Creek Comment
  JEPS128257  Heterotheca oregona var. rudis Roger Raiche 2000-9-2 148 .00 Sonoma The Cedars. Rick's Gate. Lower Russian River, Big Austin Creek watershed. Comment
  UC87445  Heterotheca sessiliflora subsp. bolanderi Palmer Sonoma Petaluma Comment
  POM180783  Heterotheca sessiliflora subsp. echioides J. T. Howell 1930-7-13 5342 Sonoma Black Point Road Comment
  CAS-BOT-BC420943  Heuchera micrantha var. diversifolia Mary P. Wells 1984-7-20 384 Sonoma Hot Spot, The Sea Ranch Comment
  CAS-BOT-BC420944  Heuchera micrantha var. diversifolia G. DeNevers 1981-5-9 1083 Sonoma Pepper wood Ranch Comment
  UCSC000335  Heuchera pilosissima H. S. Yates 1934-3-21 3790 Sonoma near Bodega - Sebastopol 61 Comment
  SBBG2695  Heuchera pilosissima H. and M. Dearing 1939-5-14 3368 Sonoma N of Fort Ross 91 Comment
  JEPS36683  Hieracium albiflorum W. L. Jepson 1921-5-6 9185 Sonoma summit of grade from Calistoga to Porter Creek 457 Comment
  UC496386  Hieracium albiflorum Merle Randall 1930-6-8 Sonoma Cazadero Comment
  CAS-BOT-BC55455  Hirschfeldia incana Walter Knight; Irja Knight 1963-9-12 252 Sonoma Petaluma. Magnolia Avenue. Comment
  OBI78066  Hoita orbicularis Michener & Bioletti, Bioletti May1893 s.n. Sonoma Kenwood Comment
  CAS-BOT-BC280791  Holcus lanatus A. A. Heller 1902-6-7 5651 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  UCD84893  Holcus lanatus Mary M. Hektner; Sue Dakuzaku 1974-6-4 20 a Sonoma Near State Hwy 1, Unit 24 Owners' Map, Sea Ranch. Comment
  SEINET10960739  Holcus lanatus A. Arthur Heller 1902-6-7 Heller 5651 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UC990598  Holocarpha virgata subsp. virgata James I. McMurphy 1906-7-17 Sonoma Fulton Comment
  UC861997  Holodiscus discolor Marcus E. Jones, A. M. 1882-7-18 3579 Sonoma Duncan Mills Comment
  UCD113344  Holodiscus discolor Frederica Bowcutt 1996-5-23 2148 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 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon at toe of Sugarloaf Ridge just S of campground on rocky slope. 377 Comment
  CAS-BOT-BC152385  Holodiscus discolor var. discolor Marcus E. Jones 1882-7-18 3579 Sonoma Duncan's Mills Comment
  CAS-BOT-BC152388  Holodiscus discolor var. discolor Walter Knight; Irja Knight 1963-10-27 447 Sonoma Spring Mt. Rd. Comment
  RSA783729  Holozonia filipes Peter Rubtzoff 1955-8-27 2095 Sonoma Bennett Mountain Lake. Comment
  RSA92835  Holozonia filipes Milo S. Baker 1954-8-12 13034 Sonoma Coney Lake; Kenwood, Coney Ranch. 366 Comment
  SEINET257978 Image available Hordeum brachyantherum Mary E. Barkworth, D Amme 1989-6-15 5174 Sonoma S end of Bodega Head on restored grassland 81 Comment
  UCD85388  Hordeum brachyantherum P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  UCD85402  Hordeum brachyantherum David L. Morgan 1956-5-13 s.n. Sonoma On Watmaugh Road, 1/2 mile W of junction of Arnold Drive. Comment
  CAS-BOT-BC289291  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1955-4-30 1796 Sonoma Stony Point Marsh Comment
  SEINET4670535  Hordeum murinum subsp. leporinum V. Longozo 1999-4-19 s.n. Sonoma Bodega Bay Highway 0 Comment
  UC903149  Horkelia californica Ethel Crum 1930-6-8 753 Sonoma 8 mi n Bodega Bay Comment
  CAS-BOT-BC146521  Horkelia tenuiloba John Thomas Howell 1937-7-4 13083 Sonoma 5 miles north of Sebastopol Comment
  CDA25951  Horkelia tenuiloba T. C. Fuller 1958-5-24 3998 Sonoma Vinehill District. 0 Comment
  UCR265134  Hosackia gracilis Ann Howald, Christina Freeman 2015-4-13 3339 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
  CDA1446  Hydrilla verticillata Brad Oliver 1984-9-2 Sonoma Spring Lake Park, Santa Rosa. 0 Comment
  CAS-BOT-BC401000  Hypericum anagalloides Peter Rubtzoff 1960-9-17 4563 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) Comment
  SEINET7062821  Hypericum anagalloides A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point. UTM Zone 10, 464491mE, 4278527mN. (WGS84/NAD83). 0 Comment
  CAS-BOT-BC316683  Hypochaeris glabra G. DeNevers 1981-5-9 1061 A Sonoma Below the Strebel Homestead, Pepperwood Ranch Comment
  CAS-BOT-BC316684  Hypochaeris glabra G. DeNevers 1981-4-20 766 Sonoma Pippendale farm beween Studio and the ridge top, Pepperwood Ranch Comment
  UC496385  Hypochaeris radicata Merle Randall 1930-6-9 Sonoma Cazadero Comment
  CAS-BOT-BC316715  Hypochaeris radicata Peter Rubtzoff 1951-7-8 396 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC316718  Hypochaeris radicata Walter Knight; Irja Knight 1963-12-28 479 Sonoma Bodega Head Comment
  CAS-BOT-BC257366  Iris Peter Rubtzoff 1964-6-3 5343 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC133509  Iris Saichi Kawahara 1968-4-20 321 Sonoma Oak-Trinity Road, 1 mile northeast of Highway 12 152 Comment
  UC571179  Iris douglasiana H. L. Mason 1928-4-8 4282 Sonoma Fort Ross Comment
  POM168822  Iris douglasiana A. A. Heller, H. E. Brown 1902-3-29 5182 Sonoma Bodega Bay Comment
  SEINET12048687  Iris douglasiana F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -156 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  UCSB11204  Iris douglasiana Breedlove, Dennis 1961-12-31 Sonoma beside State Hwy 1; 3.9 mi N of Russian River Comment
  RSA137406  Iris fernaldii Lee W. Lenz 1952-5-8 17106 Sonoma Near junction of road from Calistoga to Santa Rosa with that to Mark West Springs Comment
  RSA48721  Iris fernaldii Lee W. Lenz 1949-5-2 14427 Sonoma Santa Rosa - Calistoga Road, 0.5 mile from junction with road to Mark West Springs 610 Comment
  CAS-BOT-BC133678  Iris longipetala Peter Rubtzoff 1962-6-19 4925 Sonoma Occidental Marsh Comment
  RSA152560  Iris missouriensis H. N. Metcalf 1962-5-6 s.n. Sonoma West of Two Rock on Two Rock - Fallon Road Comment
  CAS-BOT-BC376228  Isoetes Greg de Nevers 1993-3-7 10318 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Above Double Ponds spring 304 Comment
  UCR244748  Isoetes Peter Rubtzoff 1969-5-24 6053 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road 427 Comment
  RSA784489  Isoetes Peter Rubtzoff 1969-5-24 6053 Sonoma 6.5 miles SE of Penngrove, on Lichan Road. 427 Comment
  CAS-BOT-BC173547  Isoetes howellii Peter Rubtzoff; Edward Lee 1974-5-11 7385 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UCD84101  Isoetes howellii Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  CAS-BOT-BC368083  Isoetes howellii Greg de Nevers 1998-4-28 11209 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge Comment
  CAS-BOT-BC61925  Isoetes nuttallii Peter Rubtzoff 1963-6-22 5187 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC112410  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh Comment
  CAS-BOT-BC112564  Isolepis cernua John Thomas Howell 1937-6-6 13027 A Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112567  Isolepis cernua Peter Rubtzoff 1970-7-17 6287 Sonoma 5 mi N of Sears Point. Comment
  CAS-BOT-BC112577  Isolepis cernua Marcus Eugene Jones 1882-7-17 s.n. Sonoma Duncan Mills Comment
  CHSC91622  Isolepis cernua G. F. Hrusa 2000-11-13 15718 Sonoma Northern California. At base of ocean bluff. Kortum trail head to Goat Rock. Comment
  HSC85561  Isolepis cernua Robert A. Norris, John L. Inase, Allen Nakagawa, Willie J. Roberts, Michael Kurtz, Nelson R. Powers 1982-8-8 4434 Sonoma Near Goat Rock picnic area across mouth of Russian River from Jenner, Sonoma State Beach Comment
  UCD159439  Jaumea carnosa D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 196 Sonoma Beach (cove) near Bodega Marine Lab. Numerous. Rocky. 2 Comment
  CAS-BOT-BC164643  Juncus Peter Rubtzoff 1964-7-29 5456 Sonoma Duncans Mills Marsh. Comment
  SD99417  Juncus bolanderi Christopher Davidson 1977-6-20 6024 Sonoma Dry Creek Road, 11.9 miles west of Geyserville. Gravel bar in Warm Springs Creek. 136 Comment
  SEINET3877577  Juncus bufonius A. A. Heller 1902-6-11 5688 Sonoma Santa Rosa creek, east of Santa Rosa.; 0 Comment
  RSA22444  Juncus covillei J. T. Howell 1937-7-4 13078 Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC173534  Juncus dubius Peter Rubtzoff 1972-6-27 6792 Sonoma Atascadero Creek Marsh Comment
  UCD141497  Juncus effusus P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UCD84293  Juncus hemiendytus var. hemiendytus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  POM261452  Juncus kelloggii Alice Eastwood, John Thomas Howell 1940-5-5 7866 Sonoma Summit of Bennett Valley Road. Comment
  UCR249081  Juncus lescurii Peter Rubtzoff 1961-8-6 4676 Sonoma Americans Creek, 0.5 mi. east of Valley Ford 5 Comment
  UC143757  Juncus patens A. A. Heller 1902-6-10 5680 Sonoma Santa Rosa Comment
  UCR130525  Juncus patens Don Pendleton 1993-5-29 s.n. Sonoma North Coast Ranges, 5297 Westside Rd, Russian River Valley, c. 5 mi SW of Healdsburg 46 Comment
  RSA94072  Juncus phaeocephalus var. phaeocephalus J. T. Howell 1947-6-26 23300 Sonoma Cunningham Marsh. Comment
  SEINET3881146  Juncus tenuis Carol Witham, Jennifer Buck 2002-5-6 305 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool # TOD001.; 0 Comment
  CAS-BOT-BC235900  Keckiella corymbosa Rimo Bacigalupi 1947-8-17 2850 Sonoma On dirt road just above and east of Cazadero, (County road to Guernewood Park), in canyon of Austin Creek Comment
  UC1238931  Keckiella corymbosa Freed W. Hoffman 1946-8-14 588 Sonoma East Austin Creek; North Coast Ranges, Rocky Mountain Comment
  UCD85986  Koeleria macrantha R. Tofsrud 1941-5-1 121 Sonoma Santa Rosa. 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-BC340659  Lactuca serriola Mary P. Wells 1985-8-12 593 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  UC89191  Lagophylla minor T. Brandegee Sonoma Mt. St. Helena Comment
  CAS-BOT-BC341710  Lagophylla ramosissima Milo S. Baker 1934-6-1 7687 Sonoma Along highway north of Warfield one-half mile Comment
  UC619296  Lagophylla ramosissima Milo S. Baker 1934-6-1 7687 Sonoma along the highway 1/2 mi n Warfield Comment
  JEPS97572  Lagurus ovatus R. D. Stone 1980-11-28 324 Sonoma Northern part of the Sea Ranch development N of Stewart's Point. Comment
  UCR2505  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Stewart's ('Steward') Point 30 Comment
  UCD63321  Lamarckia aurea Freed W. Hoffman 1941-4-25 2239 Sonoma Luttrell Ranch, near Guerneville. Comment
  CAS-BOT-BC173573  Lamiaceae Peter Rubtzoff 1967-9-2 5880 Sonoma Forest Hills (5.5 mi. east of Guerneville). Comment
  CDA28919  Lamium purpureum C. Morgan 2009-3-19 s.n. Sonoma Kenwood, 9550 Frederica. 0 Comment
  UC1594208  Lasthenia burkei L. Huntington 1990-5-12 260 Sonoma n side of Laguna de Santa Rosa; Sebastapol 18 Comment
  CAS-BOT-BC346334  Lasthenia californica John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53978 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles ne of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC346333  Lasthenia californica G. DeNevers 1982-4-18 1945 Sonoma Pepperwood Ranch. NW corner of Hansel's Property Comment
  UC579278  Lasthenia californica subsp. bakeri H. S. Yates 1934-4-21 3787 Sonoma near Bodega 60 Comment
  JEPS15071  Lasthenia californica subsp. californica A. A. Heller and H. E. Brown 1902-4-15 Sonoma Santa Rosa Creek Comment
  CAS-BOT-BC355519  Lasthenia glaberrima John Thomas Howell 1935-5-5 12604 Sonoma Near Kenwood Comment
  UC90040  Lasthenia glaberrima Katharine Brandegee 1905-6-8 Sonoma between Santa Rosa Sevastopol Comment
  CAS-BOT-BC355537  Lasthenia glaberrima Lois E. James; L. Beane 1949-5-16 1947 Sonoma About 3 mi. S. of Healdsburg. Comment
  CAS-BOT-BC352791  Lasthenia glabrata subsp. glabrata John Thomas Howell 1933-4-1 10925 Sonoma Petaluma Comment
  POM54302  Lasthenia macrantha subsp. bakeri Katherine Brandegee 1905-6-27 s.n. Sonoma From Bodega to Bodega Bay, on west side of stream, crossed by road before turning north Comment
  RSA123035  Lasthenia macrantha subsp. bakeri H. S. Yates 1934-4-21 3787 Sonoma Near Bodega 61 Comment
  CAS-BOT-BC370899  Lasthenia minor Peter Rubtzoff 1960-5-18 4376 Sonoma Bodega Head Marsh. Comment
  RSA783472  Lathyrus Peter Rubtzoff 1971-9-1 6672 Sonoma Spring Creek Reservoir area east of Santa Rosa Comment
  CHSC96769  Lathyrus hirsutus A. Stephens 2005-6-16 1293626 Sonoma North Coast Range. Sonoma County. Rangeland at 8617 Petaluma Hill Rd, Petaluma. Comment
  UCD55070  Lathyrus sphaericus Ellen Dean; Tammie Beyerl 2006-4-28 3014 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  CAS-BOT-BC164644  Lathyrus tingitanus Peter Rubtzoff 1958-9-28 4018 Sonoma Guerneville region, Vacation Beach, near Guerneville. Comment
  UCD106467  Lathyrus vestitus Frederica Bowcutt 1984-6-23 441 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. Along bluff trail north of Gerstle Cove about 1/2 mile. 15 Comment
  UCR37760  Lathyrus vestitus A. C. Sanders 1985-1-19 5372 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  UC480601  Lathyrus vestitus var. vestitus Carl Meyer 1928-3-3 309 Sonoma Santa Rosa Comment
  CAS-BOT-BC323259  Layia chrysanthemoides Alice Eastwood 1921-5-8 10447 Sonoma Petaluma Comment
  JEPS24288  Layia chrysanthemoides G. Thomas Robbins with Hsuan Keng and Erika Amstutz 1959-4-3 3973 Sonoma along shallow drainage ditch by State Highway 37 (about .5 mi e of big Bend and .25 mi w of Sonoma Creek crossing); Sonoma Valley 3 Comment
  CAS-BOT-BC123307  Layia chrysanthemoides subsp. maritima Jens Chr. Clausen 1935-5-24 1090 Sonoma 6.2 mi S of Jenner Comment
  CAS-BOT-BC321739  Layia gaillardioides David D. Keck; J. Clausen 1935-6-15 3379 Sonoma Russian River, 3 mi above mouth. Comment
  CAS-BOT-BC379619  Layia platyglossa A. A. Heller 1903-4-23 6608 Sonoma Fort Ross Comment
  JEPS18021  Layia platyglossa George B. Rossbach 1955-3-19 547 Sonoma w rim of Bodega Head 45 Comment
  UC770650  Ledum glandulosum R. H. Neuns 1948-8-30 26 Sonoma 2 1/2 mi se of Gualala 182 Comment
  CAS-BOT-BC274359  Leersia oryzoides Freed Hoffman 1943-10-26 s.n. Sonoma Russian River, near Guerneville Comment
  CAS-BOT-BC210107  Lemna Peter Rubtzoff 1969-5-11 6049 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road. Comment
  UCD166137  Lemna Peter Rubtzoff 1969-5-11 6049 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road. Comment
  CAS-BOT-BC344900  Lemna minor Peter Rubtzoff 1955-7-10 1958 Sonoma Duncans Mills Marsh. Comment
  UCR256957  Lemna minor Peter Rubtzoff 1954-8-13 1710 Sonoma Bodega Head Marsh 2 Comment
  CAS-BOT-BC527281  Lemna minuta Peter Rubtzoff 1951-9-2 705 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  SEINET12329980  Lepechinia calycina F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -190 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road, between Jimtown & Mercuryville 630 Comment
  CAS-BOT-BC371469  Lepidium appelianum Greg de Nevers 1993-7-29 10478 Sonoma On dike of Petaluma River marsh at Highway 37. Comment
  UC72927  Lepidium nitidum Milo S. Baker 1898-2-19 714 Sonoma ne of Santa Rosa Comment
  POM144015  Lepidium nitidum A. A. Heller, H. E. Brown 1902-3-14 5054 Sonoma Near Santa Rosa Comment
  UC1034634  Lepidium strictum Milo S. Baker 1955-6-1 13044 Sonoma Humboldt St. near 5th Santa Rosa Comment
  RSA67007  Leptosiphon androsaceus E. K. Balls 1951-5-10 16536 Sonoma 0.3 miles south of Mendocino-Sonoma Co. line on Hwy 28. Comment
  RSA79052  Leptosiphon bicolor E. K. Balls, Lee W. Lenz 1952-5-8 17111 Sonoma 4.4 mi NW from Mark West Springs on road to Kellogg 107 Comment
  UCD118608  Leptosiphon bicolor Frederica Bowcutt; Joy Keeney, Adam Greene 1994-5-21 1802 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Along Meadow Trail, approximately 0.25 mile from trailhead. 396 Comment
  CAS-BOT-BC226695  Leptosiphon jepsonii Rimo Bacigalupi 1926-5-2 1366 Sonoma Cazadero Comment
  CAS-BOT-BC226698  Leptosiphon jepsonii Alice Eastwood; John Thomas Howell 1938-5-15 5508 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC499111  Leptosiphon parviflorus Ann Howald 2015-4-13 3343 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, NW corner, S of Marsh Trail 362 Comment
  JEPS128322  Leptosiphon parviflorus Roger Raiche 2000-3-26 012 .00 Sonoma The Cedars. Lower Russian, Big Austin Creek watershed. Comment
  JEPS86801  Lessingia arachnoidea Jack and Betty Guggolz 1991-7-20 1212 Sonoma about 2 1/4 mi nw of Camp Meeker 182 Comment
  JEPS87253  Lessingia arachnoidea Jack and Betty Guggolz 1992-8-29 1335 Sonoma 1 1/2 mi nw of Camp Meeker 45 Comment
  RSA731316  Lessingia arachnoidea Chris K. Kjeldsen, Daniel T. Kjeldsen 2005-10-4 1885 Sonoma Coast Ranges: Russian River watershed, Bohemian Grove, N of Camp Meeker and Tyrone off Bohemian Highway. 128 Comment
  JEPS20635  Lessingia hololeuca Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  UC1299301  Lessingia ramulosa Freed W. Hoffman 1947-9-5 1385 Sonoma Dutch Bill Creek North Coast Ranges, Dutch Bill Creek Comment
  UC88007  Lessingia ramulosa W. E. Bryant July 1887 Sonoma Healdsburg Comment
  RSA0057953  Leucanthemum vulgare Greg de Nevers 1998-5-20 11253 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mouth of Kalfenatchi's(?) driveway. 100 Comment
  CAS-BOT-BC436538  Ligusticum apiifolium John Thomas Howell 1930-6-8 5252 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC451694  Lilaea scilloides Peter Rubtzoff 1970-11-18 6425 Sonoma 1 mi. southeast of Bloomfield. Comment
  CAS-BOT-BC451697  Lilaea scilloides Peter Rubtzoff 1955-4-23 1785 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC451700  Lilaea scilloides Alice Eastwood 1921-4-24 10362 Sonoma Santa Rosa Comment
  CAS-BOT-BC130826  Lilium pardalinum Peter Rubtzoff 1951-7-22 539 Sonoma Northern half of Lower Marsh Comment
  HSC15782  Limnanthes douglasii L. S. Rose 1965-4-4 65020 Sonoma Sonoma 24 Comment
  JEPS19605  Limnanthes douglasii W. L. Jepson 1914-4-11 5804 Sonoma Sonoma Valley 35 Comment
  RSA42966  Limnanthes douglasii A. A. Heller 1940-4-22 15553 Sonoma In a grassy field between East Windsor and West Windsor. Lower Sonoran Life Zone. Comment
  UC971845  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1949-4-11 1249 Sonoma w side of Hwy 37 2.4 mi n junction with Highway 48; Sears Point Comment
  RSA177974  Limnanthes douglasii subsp. nivea Robert F. Thorne 1965-4-19 34274 Sonoma Titus Ranch, Valley Ford. 18 Comment
  RSA215941  Limnanthes douglasii subsp. nivea Peter Rubtzoff 1966-4-30 5693 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 mile from Llano Road. Comment
  CAS-BOT-BC45951  Limnanthes vinculans John Thomas Howell 1947-6-5 23233 Sonoma Cunningham Marsh Comment
  CHSC66952  Limnanthes vinculans James D. Jokerst; Lorie May 1993-5-13 3978 Sonoma Sonoma Air Center. Comment
  JEPS102970  Limnanthes vinculans Ann Howald 1994-4-19 1809 Sonoma Knights Valley, Bavarian Lion Ranch Comment
  UCD165771  Limosella Peter Rubtzoff 1973-8-27 7271 Sonoma Upper Green Valley Marsh area. Comment
  RSA800125  Limosella Peter Rubtzoff 1972-5-25 6751 Sonoma Laguna, Chileno Valley. Comment
  RSA800898  Limosella acaulis Peter Rubtzoff 1966-5-7 5721 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  UC106672  Linanthus ciliatus Michener and Bioletti 1892-5-20 1542 a Sonoma Hood's Peak Comment
  UC1124048  Linanthus parviflorus H. S. Yates 1934-4-22 3847 Sonoma 2 mi s Mark West; Calistoga Quad. 152 Comment
  UC614696  Linanthus parviflorus L. Constance 1938-4-24 2156 Sonoma 8 mi s Fort Ross; Russian Gulch 121 Comment
  UCD164544  Lindernia Peter Rubtzoff 1975-8-26 8357 Sonoma Bennett Mountain Lake, northern lakeshore. Comment
  UCD110566  Linum bienne William J. Costa 1968-5-18 36 Sonoma Shell Beach, ca. 1.5 air miles south of Jenner. 15 Comment
  CAS-BOT-BC26043  Linum spergulinum H. N. Bolander 1867-6-1 s.n. Sonoma Cloverdale Comment
  UCD81453  Lithocarpus densiflorus M. Wiesendanger 1927-5-5 729 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC430799  Lithophragma affine Alice Eastwood 1921-5-8 10465 Sonoma Petaluma Comment
  UC75730  Lithophragma affine Miss M. Alice King May, 1897 Sonoma near Healdsburg; near Healdsburg Comment
  UC581117  Logfia filaginoides H. L. Mason 1934-4-28 8062 Sonoma near Kenwood Springs (Baker's Ranch) Comment
  CAS-BOT-BC342494  Logfia gallica Barbara Keller 1990-4-30 2037 Sonoma On Coleman Valley Rd. 6 miles west of Occidental 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-BC283533  Lolium Roxana S. Ferris; Laura Lorraine 1961-6-14 13547 Sonoma Junction of Occidental Road with Facendini Lane Comment
  CAS-BOT-BC283290  Lolium multiflorum Peter Rubtzoff 1951-7-21 481 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh, near the highway Comment
  UCD66189  Lolium multiflorum Mary M. Hektner; Sue Dakuzaku 1974-6-3 18 B Sonoma Sea Ranch, near State Highway 1. Comment
  SEINET11690152  Lolium multiflorum W. Knight, Knight, I.; Howell, J. T. 1987-1 6280 Sonoma Todd Road Preserve, near corner of Llano Road 24 Comment
  UCD66467  Lolium perenne Beecher Crampton 1957-7-11 4306 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  CAS-BOT-BC269191  Lolium temulentum A. A. Heller 1902-6-10 5679 Sonoma Santa Rosa Comment
  SEINET7067344  Lomatium californicum A. G. Vestal 1947-5-16 s.n. Sonoma About 6.7 miles east of Windsor on Porter Creek Road. Coordinate datum: NAD27. UTM Zone 10, 526145mE, 4266921mN. Comment
  SEINET12121666  Lomatium californicum W. Knight, Knight, I.; Edwards, S. 1986-1 5294 Sonoma on Geysers Road between Geysers Resort site & CLoverdale Comment
  UC1046220  Lomatium dasycarpum subsp. dasycarpum Lincoln Constance 1953-4-4 3448 Sonoma 1 mi. s.w. Petrified Forest (Mark West rd.) Comment
  JEPS128223  Lomatium dasycarpum subsp. tomentosum Roger Raiche 2000-5-4 059 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD73920  Lomatium repostum G. Ledyard Stebbins 1966-5-1 6390 Sonoma Rincon Ridge, Chanate Road, 1/4 mile west of Montecito. Comment
  UC1076677  Lomatium utriculatum C. Ritchie Bell 1952-3-19 1247 Sonoma top of Larksur Rock Bodega; , Larkspur Rock Comment
  UCD136302  Lomatium utriculatum M. Rei Scampavia Evangelista 2012-5-4 4 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 260 meters. 408 Comment
  CAS-BOT-BC243997  Lonicera involucrata var. ledebourii G. DeNevers 1981-3-14 530 Sonoma Pippindale farm, 7 mi. NE of Santa Rosa, near Mark West lodge, Pepperwood Ranch Comment
  CAS-BOT-BC300483  Lotus Peter Rubtzoff 1973-8-29 7288 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente Comment
  CAS-BOT-BC376250  Lotus Greg de Nevers 1992-6-26 10181 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  UCR143602  Lotus G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  CAS-BOT-BC294706  Lotus Peter Rubtzoff 1971-5-8 6452 Sonoma Intermittent lake off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UC1784166  Lotus aboriginus Milo S. Baker April 1930 4846 a Sonoma roadside near Plantation Comment
  UC604131  Lotus angustissimus Milo S. Baker 1938-8-15 9229 Sonoma just beyong Wrights Beach (Coast Highway) Comment
  UC196927  Lotus formosissimus P. B. Kennedy Jun 1915 Sonoma Del Mar, n Sonoma Co. Del Mar Comment
  UC496417  Lotus humistratus Merle Randall 1930-6-11 Sonoma Cazadero Comment
  UC864836  Lotus micranthus Lewis S. Rose 1940-5-5 40265 Sonoma Sonoma Creek Canyon 304 Comment
  SEINET7042389  Lotus micranthus A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  SEINET12154225  Lotus nevadensis var. douglasii Unknown 1936-1 13109 Sonoma nr Healdsburg Comment
  CDA31006  Lotus purshianus D. G. Kelch, Troy McGregor 2010-8-22 10 .357 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  POM18333  Lotus scoparius var. scoparius A. A. Heller 1902-6-26 7473 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  RSA31784  Lotus unifoliolatus A. A. Heller 1938-8-11 15321 Sonoma Knights Valley Comment
  JEPS86738  Ludwigia hexapetala Jack and Betty Guggolz 1990-9-25 1097 Sonoma Russian R. at road crossing below (e. of) Asti; Russian R. 73 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
  UCD66042  Ludwigia hexapetala B. J. Grewell 2005-10-3 05- 26 -LU Sonoma Lake Wilson, Sonoma County Riverfront Park sw of Windsor, Eastside Road. 16 Comment
  UCD164978  Ludwigia palustris Peter Rubtzoff; Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7800 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC164036  Ludwigia peploides Peter Rubtzoff 1958-8-9 3851 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road) Comment
  RSA790998  Ludwigia peploides Peter Rubtzoff 1961-8-24 4711 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  UCR2994  Lupinus albifrons Wm. Horn Jr. 1963-4-10 630410- 01 Sonoma Coast Range, 0.25 mi N on Jonive Rd. at a point 5 mi west of Sebastopol on Bodega Hwy 168 Comment
  CDA27360  Lupinus albifrons G. D. Barbe, T. C. Fuller 1985-3-28 4200 Sonoma 6560 Sonoma Mountain Road, south of Santa Rosa. Comment
  CAS-BOT-BC195972  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-27 48163 Sonoma Junction Melitta-Mark West-Petrified Forest roads. Petrified Forest, junction Comment
  CAS-BOT-BC195984  Lupinus albifrons var. albifrons Alice Eastwood 1939-3-20 18902 Sonoma Near Russian River a few miles north of Cloverdale Comment
  JEPS77262  Lupinus albifrons var. albifrons Robert M. Lloyd 1963-4-24 2399 Sonoma 16.5 mi from State Hwy. 12 on road to Oakdale 274 Comment
  UCD106018  Lupinus albifrons var. albifrons A. A. Heller; H. E. Brown 1902-3-27 5162 Sonoma Western Base of Mt. Hood Comment
  CAS-BOT-BC196461  Lupinus arboreus Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma South end of Russian River Bridge on highway 1 Comment
  UCD106637  Lupinus arboreus P. B. Kennedy Date Unknown 1 Sonoma Del Mar. Comment
  POM299302  Lupinus arboreus var. eximius H. C. Cantelow 1941-6-7 s.n. Sonoma 4 miles north of Bay, State Highway 1. Comment
  POM253151  Lupinus densiflorus var. densiflorus A. A. Heller 1938-5-14 15092 Sonoma Hills between Petaluma and Napa. Comment
  HSC14968  Lupinus densiflorus var. palustris H. E. Parks, S. T. Parks 1930-5-9 600 Sonoma West end of Knights Valley 152 Comment
  SD125494  Lupinus formosus var. formosus M. L. Conrad, Dunn and Le Doux 1973-6-9 7079 Sonoma 0.6 mile west of Sonoma-Napa County Line on Highway 121. 60 Comment
Read comments
Aug 9 2012
  UC157006  Lupinus formosus var. formosus H. P. Chandler 1907-4-21 7521 Sonoma road from Glen Ellen to Oakville Comment
  SD255743  Lupinus latifolius Ann Howald 2015-4-1 3335 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 17 miles west of intersection with Rockpile Rd, Wolf Creek drainage. 259 Comment
  UCD151109  Lupinus latifolius James A. Neilson Jr. 1974-6-1 2764 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  CAS-BOT-BC368084  Lupinus latifolius Greg de Nevers 1998-4-28 11210 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge Comment
  POM11292  Lupinus latifolius subsp. latifolius Philip A. Munz 1922-6-27 5846 Sonoma Santa Rosa, Santa Rosa Mountains. Comment
  UC201918  Lupinus microcarpus var. microcarpus Milo S. Baker Sonoma Dillon's Beach Comment
  UC727105  Lupinus microcarpus var. microcarpus A. A. Heller 1940-5-17 15637 Sonoma on State Highway #1, 2 mi w Valley Ford; w of Valley Ford Comment
  SD88507  Lupinus microcarpus var. microcarpus Darley F. Howe 1972-6-26 Sonoma North of Jenner Comment
  UCD108973  Lupinus nanus Mary M. Hektner 1975-4-27 185 Sonoma next to parking lot; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CDA27562  Lupinus nanus T. C. Fuller 1977-4-21 20191 Sonoma Church of Christ property, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  UCD108952  Lupinus nanus Eric Davidson 1972-4-22 378 Sonoma along State Highway 21, ca. 5 miles north of State Highway 37. Comment
  HSC49398  Lupinus nanus subsp. latifolius R. York 1979-4-8 205 Sonoma Along Hwy. 128, 1 mi. N of Calistoga 366 Comment
  SEINET10451627  Lupinus nanus subsp. nanus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7083 Sonoma On n-facing grassy clay bank, .6 mi w of sonoma-napa co line on hwy 121. 61 Comment
  RSA0022414  Lupinus polycarpus Peter Rubtzoff 1971-5-8 6436 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mi west of Arnold Drive. Comment
  SEINET12165155  Lupinus polycarpus W. Knight, Kinight, I.; DrEdwards, S. 1986-1 5337 Sonoma Geyser Peak - access from Healdsburg-Geysers Rd 853 Comment
  SEINET5500928 Image available Lupinus ruber Sally Walker 1983-6-13 Sonoma N. Bodega Highway on Joy Rd. Comment
  CAS-BOT-BC207259  Lupinus sericatus Greg de Nevers 1996-3-4 10783 Sonoma In Devil's Kitchen outcrops on Oak Hill Ranch east of Chalk Mountain, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 487 Comment
  UC84431  Lupinus sericatus Katharine Brandegee April 1890 Sonoma Mt. St. Helena Comment
  SEINET13184148 Image available Lupinus succulentus A. G. Vestal 1955-5-7 s.n. Sonoma Comment
  RSA0070026  Lupinus variicolor Daisie Huang 2006-5-30 06053015 Sonoma Bodega Marine Laboratory. Coastal bluff near building. (waypt 30D). 2 Comment
  UCD109667  Lupinus variicolor Eric Davidson 1972-5-27 391 Sonoma near University of California's Bodega Marine Lab, Bodega Head. Comment
  UCD166732  Luzula Peter Rubtzoff 1958-5-17 3680 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CDA12825  Luzula comosa G. F. Hrusa, R. Gross 1996-3-8 12658 Sonoma North Coast Biodiversity Arena; Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  SEINET7075563  Luzula comosa A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley. 38? deg. 24' 31" North Latitude, -122? deg. 37' 52" West Longitude. UTM Zone 10, 532220mE, 4251005mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC166732  Madia Peter Rubtzoff; Nancy Harrison 1974-7-13 7669 Sonoma Upper Green Valley Marsh. 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-BC344555  Madia exigua J. Clausen 1935-5-23 1074 Sonoma 0.3 mi. N. of entrance to Petrified Forest Comment
  CAS-BOT-BC166728  Madia gracilis Peter Rubtzoff 1964-6-24 5366 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC343451  Madia gracilis John Thomas Howell 1937-7-4 13065 Sonoma Near Petrified Forest Comment
  UCD160858  Madia gracilis James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3303 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC343467  Madia gracilis G. DeNevers 1981-5-30 1341 Sonoma Pepperwood Ranch. In creekbed N of Hansel's corral Comment
  SEINET11810612  Madia gracilis Unknown 1936-1 13111 Sonoma near Healdsburg Comment
  POM56193  Madia gracilis subsp. gracilis A. A. Heller 1902-6-23 5738 Sonoma Petrified Forest Comment
  RSA177896  Madia gracilis subsp. gracilis R. F. Thorne 1965-4-20 34351 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  CAS-BOT-BC345223  Madia sativa David D. Keck 1933-11-6 2647 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  CAS-BOT-BC345224  Madia sativa David D. Keck 1933-11-6 2645 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  CAS-BOT-BC166725  Madia sativa Peter Rubtzoff 1962-10-9 s.n. Sonoma Goat Rock area of Sonoma Coast State Park, 1.6 miles from Hwy. 1. Comment
  CAS-BOT-BC345211  Madia sativa D. E. Breedlove 1961-12-31 1445 Sonoma At S side of mouth of Russian River 6 Comment
  CAS-BOT-BC345259  Madia sativa David D. Keck 1933-11-6 2653 Sonoma 6.5 mi. N. of Jenner Comment
  RSA81546  Madia sativa James I. McMurphy 1909-8-8 703 Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  UCD148452  Madia sativa Peter Rubtzoff 1962-10-23 5124 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  UCSB708  Maianthemum racemosum Keator, Glenn 1959-4-1 Sonoma 1 mile southeast of northern city limits of Camp Meeker Comment
  SEINET12052827  Maianthemum racemosum subsp. amplexicaule F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -55 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  CAS-BOT-BC511538  Maianthemum racemosum subsp. amplexicaule Mrs. E. C. Suttiffe 1920-8-5 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC511575  Maianthemum racemosum subsp. amplexicaule G. de Nevers 1981-3-21 578 Sonoma Jenner. Mouth of Russian River. Coastal Brush. Comment
  CAS-BOT-BC511492  Maianthemum stellatum Greg de Nevers 1981-6-27 1669 Sonoma On walk up through the Devil's Kitchen, Kellog Ranch, starting from the bottom of the hill in Franz Valley, along Franz Valley Road, Pepperwood Ranch Comment
  SBBG32440  Marah fabacea L. S. Rose 1962-4-18 62026 Sonoma Laguna de Santa Rosa, 2 mi NE of Graton 30 Comment
  CAS-BOT-BC348216  Matricaria discoidea Peter Rubtzoff 1966-5-26 s.n. Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  POM55040  Matricaria matricarioides A. A. Heller, H. E. Brown 1902-6-2 5635 Sonoma Santa Rosa. Comment
  CAS-BOT-BC348312  Matricaria occidentalis Peter Rubtzoff 1958-8-9 3835 A Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road) Comment
  CAS-BOT-BC262986  Medicago Peter Rubtzoff 1970-8-19 6335 Sonoma On Austin Creek beach, 0.5 miles north of Cazadero. Comment
  CAS-BOT-BC268111  Medicago Peter Rubtzoff 1973-8-21 7247 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  UCD151224  Melica californica James A. Neilson Jr. 1974-5-17 2977 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, along road to PG and E geothermal units 9 and 10, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1005 Comment
  SEINET10926810  Melica californica A. Arthur Heller 1902-4-4 Heller 5315 Sonoma Hills near Santa Rosa. Comment
  RSA123519  Melica geyeri H. S. Yates 1937-5-30 6545 Sonoma 3 miles WNW of Graton. 61 Comment
  UCD87322  Melica geyeri Beecher Crampton 1953-5-19 1299 Sonoma Sonoma County, 5 miles west of Calistoga, on Highway 128 at Napa County line. Comment
  UCD87355  Melica geyeri R. Tofsrud 1948-5-1 s.n. Sonoma Woods between Kellogg and Alexander Valley. Comment
  UCD87356  Melica geyeri R. Tofsrud 1948-5-1 s.n. Sonoma Woods between Kellogg and Alexander Valley. Comment
  UCD87362  Melica geyeri H. S. Yates 1937-5-30 6545 Sonoma 3 miles NW of Graton. 243 Comment
  SEINET197658 Image available Melica geyeri Leo Koch 1940-4-24 843 Sonoma Roadside in Bennett Valley a mile north of two and one-half mile junction from Kenwood and Glen Ellen Comment
  SEINET4671609  Melica geyeri L. Koch 1940-4-24 843 Sonoma Roadside in Bennett Valley, a mile north of two and one-half mile junction from Kenwood and Glen Ellen Comment
  UCD87520  Melica harfordii P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis Road. Comment
  UCD87382  Melica harfordii Beecher Crampton 1955-6-8 2827 Sonoma Sonoma County, 7 miles northwest of Calistoga, along State Highway 128. Comment
  UCD88633  Melica subulata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC262554  Melica torreyana G. DeNevers 1981-5-7 1006 Sonoma Pepperwood Ranch. By confluence of Leslie Creek with Mark West Creek Comment
  CAS-BOT-BC262557  Melica torreyana Alice Eastwood 1922-5-4 11247 Sonoma Calistoga Comment
  CAS-BOT-BC262561  Melica torreyana Peter Rubtzoff 1953-5-17 1381 Sonoma Near road from Vacation Beach to Edendale, near Guerneville Comment
  SEINET196998 Image available Melica torreyana W. S. Boyle 1942-4-26 1076 Sonoma Between Petrified Forest and Mark West at jct of side road to Santa Rosa 380 Comment
  SEINET3383322 Image available Melica torreyana Barbara L. Wilson, Cheri Buskirk 2009-4-5 15419 Sonoma Santa Rosa; Annadel State Park; Comment
  SEINET10599670  Melica torreyana A. Arthur Heller 1902-3-27 Heller 5160 Sonoma Western base of Mt. Hood. Comment
  CAS-BOT-BC268072  Melilotus indicus Peter Rubtzoff 1971-8-20 6640 Sonoma 5 miles north of Sears Point. Comment
  SEINET12165192  Melilotus indicus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -163 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 120 Comment
  UCR244668  Mentha Peter Rubtzoff 1960-9-14 4553 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) 30 Comment
  CAS-BOT-BC164066  Mentha Peter Rubtzoff 1958-5-10 s.n. Sonoma Laguna de Santa Rosa, E of Cunningham, near Llano Road crossing Comment
  CAS-BOT-BC164089  Mentha Peter Rubtzoff 1960-9-17 4571 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  CHSC112548  Mentha Peter Pubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi east of Healdsburg. Russian River. Comment
  RSA784597  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region: Russian River. Fitch Mts. Grove, 2 mi E of Healdsburg. Comment
  POM62998  Mentha X piperita A. A. Heller 1902-7-1 s.n. Sonoma Lagoon at Sebastopol Comment
  JEPS63448  Mentha pulegium W. L. Jepson 1903-10-4 2363 Sonoma near Monte Rio (Bohemian Club Grove, moist bed of winter pond); Bohemian Club Grove Comment
  UCSC000631  Mentha pulegium I. J. Condit 2008-8-13 s.n. Sonoma Guerneville Comment
  RSA93027  Mentha pulegium Milo S. Baker 1954-8-12 13037 Sonoma Coney Lake Kenwood on Coney Ranch Comment
  SBBG85792  Mentha pulegium L. F. LaPre 1986-7-29 Sonoma Pine Flat Rd, Pine Flat, near the Lake County line, 12 mi E of Healdsburg Comment
  CAS-BOT-BC166681  Mentha spicata Peter Rubtzoff 1968-7-20 5924 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC166691  Mentha spicata Peter Rubtzoff 1968-8-24 5932 Sonoma Upper Salmon Creek Marsh. Comment
  UCR279625  Mentha spicata Peter Rubtzoff 1961-8-24 4696 Sonoma Fife Creek Marsh [near Guerneville] Comment
  RSA784549  Mentha spicata Peter Rubtzoff 1961-8-24 4696 Sonoma Fife Creek Marsh. Bed of Fife Creek. Comment
  UCD148320  Mentha spicata Peter Rubtzoff 1953-11-1 1449 Sonoma Guerneville Marsh. Comment
  UCD134481  Micropus amphibolus John Thomas Howell 1965-3-25 41033 Sonoma 3 miles southeast of Sonoma. 76 Comment
  CAS-BOT-BC348634  Micropus californicus var. californicus Barrett Anderson 1987-4-27 3472 Sonoma Petaluma, south of El Rose and west of D Street 120 Comment
  CAS-BOT-BC348633  Micropus californicus var. californicus Ira L. Wiggins 1949-4-30 12069 Sonoma 4 miles west of Calistoga, just west of county line Comment
  CAS-BOT-BC322709  Microseris laciniata John Thomas Howell 1947-6-5 23242 Sonoma Near Wright School 4 miles west of Santa Rosa 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
  SEINET12333744  Microsteris gracilis H. K. Wagnon 1989-1 1847 Sonoma Spring Lake Park and environs 67 Comment
  UCD122641  Mimulus arvensis Botany 102 Students 1993-5-8 276 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon. Comment
  SEINET12335273  Mimulus aurantiacus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -241 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  JEPS87263  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-5 1113 Sonoma n Boyes Hot Springs (0.6 mi e of Hwy. 12 along Cavedale Road) 160 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
  RSA177937  Mimulus aurantiacus var. aurantiacus Robert F. Thorne 1965-4-20 34335 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  JEPS86851  Mimulus douglasii David M. Thompson 1989-4-4 995 Sonoma 1.1 mi n Porter Creek Road (along Franz Valley Road) 300 Comment
  UC1041002  Mimulus grandis J. W. Congdon 1880-3 Sonoma Petaluma Comment
  UCR248742  Mimulus guttatus Peter Rubtzoff 1974-5-18 7407 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  UCR248747  Mimulus guttatus Peter Rubtzoff 1974-5-26 7484 Sonoma Bennett Valley Road, 4.25 miles west of Glen Ellen Comment
  UCR248878  Mimulus guttatus Peter Rubtzoff 1962-6-19 4918 Sonoma Occidental Marsh 305 Comment
  UC1051635  Mimulus inodorus Peter Kamb 1950-6-16 1864 Sonoma 1 mi n Sousa Corners (nw of Sebastopol); Pitkin Marsh Comment
  POM5158  Mimulus kelloggii A. A. Heller, H. E. Brown 1902-3-25 5146 Sonoma Near Mark West Springs Comment
  UC1239065  Mimulus microphyllus Freed W. Hoffman 1947-4-10 1890 Sonoma The Geysers North Coast Ranges Comment
  UCD40972  Mimulus nanus var. mephiticus Collector Unknown 1978-1 s.n. Sonoma 19 miles east of Fallon. (Fallon is in Marin County, but 19 mi E is Sonoma County). 30 Comment
Read comments
Mar 13 2006
  SEINET7067136  Mimulus rubellus A. G. Vestal 1947-4-29 s.n. Sonoma About 1.4 miles west of Green Valley. Coordinate datum: NAD27. UTM Zone 10, 648599mE, 4507677mN. Comment
  UC1063065  Mimulus tricolor E. Armstrong 1934-4-15 1210 Sonoma near Occidental; Sebastapol Quadrangle Comment
  CAS-BOT-BC174580  Minuartia californica Mary P. Wells 1894-4-20 s.n. Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC388893  Minuartia douglasii F. Almeda; G. DeNevers 1981-4-28 4910 Sonoma Pepperwood Ranch. Vicinity of the Bechtel cabin Comment
  UC8116  Minuartia douglasii J. Burtt Davy 1894-6-17 Sonoma Mt. St. Helena Comment
  UC8120  Minuartia douglasii Alice King May, 1897 Sonoma Healdsburg Comment
  UCD160304  Minuartia douglasii James A. Neilson Jr. 1975-5-22 3221 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 mi. west of Whispering Pines, State Highway 175. (Elevation estimated by label maker using Google Earth.) 1127 Comment
  CAS-BOT-BC388894  Minuartia douglasii G. DeNevers 1982-5-2 1975 Sonoma Pepperwood Ranch. On banks of Hansel's Lake Comment
  CAS-BOT-BC388901  Minuartia douglasii M. S. Baker 1925-4-26 87 a Sonoma Maple Glen Comment
  UC1040764  Minuartia douglasii C. F. Sonne 1887-4-22 1387 Sonoma White Sulphur Springs Comment
  CAS-BOT-BC435114  Mollugo verticillata Peter Rubtzoff 1958-8-30 3935 Sonoma Vacation Beach, near Guerneville. Bottom of Russian River. Comment
  CAS-BOT-BC435113  Mollugo verticillata Peter Rubtzoff 1961-8-25 4714 Sonoma Forest Hills, east of Guerneville. Bottom of Russian River. Comment
  UCD167560  Monardella James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. On Squaw Creek. 1/4 mile from Black Hawk Ranch. (Exact location unkown. Coordinates estimated by label maker. Black Hawk Ranch location not found. Location georeferenced at the end of Ottobani Ridge between Big Sulphur Creek and Squaw Creek because neilson collected in that area on 18 June 1976.) Comment
  UC2035939  Monardella purpurea Robert F. Hoover 1938-6-14 3609 Sonoma 3 miles west of Graton on road to Occidental Comment
  UCD125197  Monardella purpurea Walter Knight; Irja Knight, Roger Raiche, Steve Edwards Date Unknown 4756 Sonoma The Cedars; near Cazadero on Twitchell Ranch. Comment
  SEINET9324387  Monardella sheltonii Unknown 1996-8-9 Sonoma Sonoma Co., CA (elev 800m) 800 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
  CAS-BOT-BC444991  Montia fontana Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane 2 mi. north east of Occidental Comment
  UC634934  Montia fontana H. L. Mason 1926-3-20 2752 Sonoma s of Calistoga (along railroad right-of-way) Comment
  RSA264759  Myosotis discolor Peter Rubtzoff 1974-5-25 7475 Sonoma Upper Green Valley Marsh. Comment
  UCD119516  Myosotis discolor Lauramay T. Dempster 1958-5-24 1104 Sonoma Pitkin Marsh, Pitkin Ranch. Comment
  RSA97982  Myosotis latifolia N. F. Sommer 1954-5-15 81 Sonoma State Highway 12, at park on north edge of Occidental. 30 Comment
  RSA800350  Myosurus Peter Rubtzoff 1966-4-17 5681 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  UC1011108  Myrica californica Milo S. Baker 1941-8-4 8594 Sonoma Richardson's Ranch near cross hwy. to Healdsburg (e. of Stewart's Point) 243 Comment
  UCR244608  Myriophyllum aquaticum Peter Rubtzoff 1966-6-27 5770 Sonoma Santa Rosa Creek area, c. 1 mile east of the Laguna de Santa Rosa 28 Comment
  CAS-BOT-BC258925  Myriophyllum hippuroides Peter Rubtzoff 1955-7-16 1966 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC258916  Myriophyllum verticillatum Peter Rubtzoff 1955-8-13 2039 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  CAS-BOT-BC260075  Nassella lepida G. DeNevers 1981-6-6 1479 Sonoma Pepperwood Ranch, S slope of Telegraph Hill Comment
  CHSC8592  Nassella pulchra B. Hamilton 1969-5-10 20 Sonoma Found along roadway on Hiway 1--8 miles south of Stewarts Pt. Comment
  UC1153820  Nassella pulchra Beecher Crampton 1957-5-16 4041 Sonoma US Hwy 101 3 mi s Healdsburg (banks of railway cut) Comment
  UCD87462  Nassella pulchra Beecher Crampton 1956-4-24 3310 Sonoma 2.5 miles north of Healdsburg. Comment
  CAS-BOT-BC260281  Nassella pulchra K. Wagnon 1939-5-4 187 Sonoma Downie's pasture, 5 miles W of Sebastopol, near O'Farrel Hill Comment
  SEINET12010247  Nasturtium officinale F. H. Utech 1988-5-21 88 -230 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1 100 Comment
  UC455650  Navarretia X helleri I. J. Condit 1908-8-13 Sonoma Guerneville 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
  UCR66595  Navarretia cotulifolia F. W. Peirson 1925-8-8 6339 Sonoma 6 mi south of Santa Rosa 38 Comment
  JEPS70315  Navarretia heterodoxa W. L. Jepson 1895-8-30 20959 Sonoma near Napa Valley; Petrified Forest Comment
  UC909093  Navarretia intertexta Herbert L. Mason 1940-5-21 12295 Sonoma Head of Mayacama Creek Knights Valley Comment
  CAS-BOT-BC230371  Navarretia leucocephala subsp. bakeri Peter Rubtzoff; Nancy Harrison 1974-5-26 7466 Sonoma On Bennett Valley Road, 4.25 miles W of Glen Ellen Comment
  JEPS70380  Navarretia leucocephala subsp. plieantha Joseph Andorfer Ewan 1935-5-13 9265 Sonoma near Wright School (Sebastopol road) Comment
  SEINET7067340  Navarretia pubescens A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor. Coordinate datum: NAD27. UTM Zone 10, 522900mE, 4266529mN. Comment
  UC908513  Navarretia pubescens Herbert L. Mason 1940-5-21 12294 Sonoma head of Mayacama Creek Knights Valley, Mayacama Creek Comment
  UCD158735  Navarretia sinistra subsp. pinnatisecta James A. Neilson Jr. 1974-7-25 2864 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. 792 Comment
  UC124588  Navarretia squarrosa I. J. Condit 1908-8-13 Sonoma between G- and Armstrong Grove Comment
  UCD37159  Navarretia squarrosa Beecher Crampton 1957-7-22 4364 Sonoma Sonoma County, Sonoma Coast State Park, 8.2 miles north of Stewart's Point. Comment
  UC1719859  Navarretia tagetina David Fruchter 1978-9-17 96 Sonoma Diamond D. Comment
  UCD160847  Navarretia vividior James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3294 b 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.) 716 Comment
  UCD160863  Navarretia vividior James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3294 a 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
  UC1057471  Nemophila heterophylla G. Thomas Robbins 1940-3-21 290 Sonoma foothills near junction of Pleasant Avenue Road and Chalk Hill Road 121 Comment
  UC67243  Nemophila heterophylla M. Baker May 1899 Sonoma near Laguna; near the Laguna Comment
Read comments
Feb 16 2007
  HSC34933  Nemophila menziesii Thomas W. Nelson, MarJames Nelson 1975-3-25 1755 Sonoma Beside Hwy. 128 E of Geyserville Comment
  CDA20963  Nemophila menziesii var. atomaria G. F. Hrusa, R. Gross 1998-3-14 14152 Sonoma North Coast Biodiversity Arena; Foote Ranch, NW base of Mt. St. Helena, corner of Ida Clayton Rd. & Hwy 128. Comment
  CAS-BOT-BC231195  Nemophila parviflora A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross Comment
  SEINET9309775  Nemophila parviflora John Nelson, Wnek, Richard 2000-3-7 20937 Sonoma Sonoma Co., CA 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
  SD88473  Nuphar polysepala Darley F. Howe 1972-6-27 4840 Sonoma Duncan Mills Pond Comment
  CAS-BOT-BC251251  Oenothera Peter Rubtzoff 1960-5-18 4383 Sonoma Bodega Head Marsh. Comment
  SEINET7067235  Oenothera spiralis A. G. Vestal 1947-5-13 s.n. Sonoma Base of dunes, Bodega Head. Coordinate datum: NAD27. UTM Zone 10, 505861mE, 4250832mN. Comment
  UCD144579  Origanum vulgare Susan Dean 2013-11-18 s.n. Sonoma 1722 Barlau Lane, Sebastopol. 51 Comment
  CAS-BOT-BC499696  Orobanche californica subsp. californica Steve Edwards 1984-7-22 s.n. Sonoma N end of prairie, N of Duvoul Cr., N of Camp Meeker, E of Highway Comment
  CAS-BOT-BC502783  Orobanche californica subsp. grayana Greg de Nevers 1997-5-23 11005 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  JEPS14552  Orobanche fasciculata Peter Kamb 1951-6-17 1876 Sonoma Larkspur Rock', south side of Cheney Gulch, 2.9 miles west of fork in road to Bodega and Valley Ford. Comment
  JEPS75583  Orobanche fasciculata Nancy Harrison 1976-5-17 Sonoma Trail back of theatre, Armstrong Woods Park. Comment
  CAS-BOT-BC500336  Orobanche uniflora subsp. occidentalis Carrie A. Burlingame 1925-3-10 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC243696  Orobanche valida subsp. howellii Donald V. Hemphill 1963-9-21 s.n. Sonoma Head of Yellow Jacket Creek, Mt. St. Helena 1310 Comment
  SEINET8733536 Image available Orthocarpus faucibarbatus Lewis S. Rose 1933-1 33158 Sonoma BODEGA BAY Comment
  CAS-BOT-BC7001  Orthocarpus faucibarbatus var. albidus David Daniels Keck; Jens Chr. Clausen 1935-6-15 3375 Sonoma 3 mi. S of Russian River mouth Comment
  RSA402033A  Orthocarpus lacerus Christopher Davidson 1977-6-20 6006 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  HSC16700  Oxalis oregana Martha Meagher 1947-3-23 93 Sonoma County Rd. one-half mi. W of Freezeout Creek across Russian River from Duncan's Mills Comment
  SEINET9323534  Oxalis oregana John Nelson, Wnek, R. 2000-3-7 20947 Sonoma Sonoma County Comment
  HSC16713  Oxalis pes-caprae S. N. Wiemeyer 1962-4-13 9 Sonoma 2.1 mi. N of Jct. of Calistoga Rd. and Hwy. 12 274 Comment
  UCD160299  Packera eurycephala James A. Neilson Jr. 1975-5-17 3192 Sonoma West of State Highway 29, Robert Louis Stevenson State Park, 2/3 of the way to summit of Mt. St. Helena along road. (Exact location unknown. Elevation and coordinates estimated by label maker.) 1165 Comment
  UC1169376  Packera eurycephala var. eurycephala R. Ornduff 1957-5-5 4132 Sonoma just below summit summit of Mount Saint Helena; Mount Saint Helena Comment
  CAS-BOT-BC376262  Panicum Greg de Nevers 1996-9-23 10882 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek x Piney Canyon 487 Comment
  UC1146580  Panicum acuminatum var. acuminatum Freed W. Hoffman 1941-6-15 2158 Sonoma Eckert Ranch near Salt Point; North Coast Ranges, near Salt Point Comment
  UCD89128  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 f Sonoma North East part of county. The Geysers, Comment
  UCD89129  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7149 Sonoma North East part of county. 'The Geysers', Big Sulphur Creek. Comment
  CAS-BOT-BC253771  Panicum capillare Catherine Best 1984-8-18 1039 Sonoma Near the pond on Stoetz Lane, about 3 miles NE of Occidental 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
  CDA32592  Panicum thermale Beecher Crampton 1964-8-18 7139 f Sonoma NE Sonoma County, The Geysers, 12 mi (in direct line) E of Cloverdale, ca. 0.5 mi E of Geyser Resort area, slope of steam well (locally called The Outlaw ) or otherwise thermal no. 10 (Thermal Power co.) Comment
  SJSU5985  Parentucellia viscosa C. W. Sharsmith 1972-6-24 7806 Sonoma edge of Pitkin Marsh c. 1.5 mi SE of Forestville N of Sebastopol 48 Comment
  CAS-BOT-BC154989  Paspalum Peter Rubtzoff 1973-10-10 7342 Sonoma Tributary of Americano Creek, 2 mi. W of Bloomfield Comment
  UCD88734  Paspalum dilatatum Mary M. Hektner 1974-7-10 145 B Sonoma along State Highway 1, just off Leeward Road, Unit 28 Owners' Map, Sea Ranch. Comment
  CAS-BOT-BC265691  Paspalum distichum Peter Rubtzoff 1951-7-14 432 Sonoma Southern half of Lower Marsh, Pitkin Marsh near Forestville 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
  JEPS128249  Pedicularis densiflora Roger Raiche 2000-5-5 096 .00 Sonoma The Cedars. Danfield Creek drainage near crest with Pepperwood Creek; topographic peak 2061. Gualala River, Wheatfield Fork watershed. Comment
  RSA177951  Pedicularis densiflora Robert F. Thorne 1965-4-20 34328 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UC76109  Pedicularis densiflora Milo S. Baker 1898-4-2 Sonoma near Forestville Comment
  UC886640  Pedicularis densiflora Alice Eastwood 1918-5-1 6811 Sonoma Mount St. Helena Comment
  JEPS77252  Pedicularis densiflora Robert M. Lloyd 1963-4-24 2391 Sonoma 12.6 mi from State Hwy 12 on road to Oakdale 457 Comment
  SEINET8733624 Image available Pedicularis densiflora Laura Zeller 1965-1 3 Sonoma Ca. 1.5 miles E of Highway 12 on Cavedale Road 198 Comment
  UCD151085  Pellaea mucronata James A. Neilson Jr. 1974-6-1 2769 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, ca. 3 1/2 mi. west of Whispering Pines, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  CAS-BOT-BC443993  Penstemon heterophyllus var. purdyi James L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 mile south of Trinity Road and about 5 miles northeast of California Highway 12, about 13 airline miles southeast of Santa Rosa 640 Comment
  SEINET4555669 Image available Pentagramma triangularis Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15053 Sonoma 2 miles north of Geyserville. Comment
  UC1193125  Pentagramma triangularis subsp. triangularis P. Zinke 1950-4-25 114 Sonoma Oat Valley; Quadrangle 61A4 182 Comment
  CAS-BOT-BC222749  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-8-30 5872 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh Comment
  OBI59451  Perideridia gairdneri subsp. gairdneri L. Constance, T. I. Chuang 1965-2-1 3766 Sonoma Marsh on Atascadero Creek 1 mi NW of Graton. 183 Comment
  JEPS128254  Perideridia kelloggii Roger Raiche 2000-7-24 142 .00 Sonoma The Cedars. Rick's Gate. Lower Russian River, Big Austin Creek watershed. Comment
  UC1041101  Perideridia kelloggii J. W. Congdon 1880-8-2 Sonoma Petaluma and Santa Rosa Road Comment
  UCD127896  Perideridia kelloggii K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC413643  Persicaria amphibia Peter Rubtzoff 1954-9-4 1732 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC413644  Persicaria amphibia Peter Rubtzoff 1971-9-1 6674 Sonoma Spring Creek Reservoir area Comment
  CAS-BOT-BC413637  Persicaria amphibia Peter Rubtzoff 1971-6-25 6554 Sonoma Off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing Comment
  CAS-BOT-BC413651  Persicaria amphibia Peter Rubtzoff 1971-9-3 6701 Sonoma Spring Creek Reservoir area 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-BC418902  Persicaria hydropiperoides Peter Rubtzoff 1960-9-14 4535 Sonoma Laguna de Santa Rosa east of Graton (betw. Occidental and Guerneville roads) Comment
  CAS-BOT-BC418916  Persicaria hydropiperoides Peter Rubtzoff 1956-9-15 2897 Sonoma Atascadero Creek Marsh Comment
  SJSU5986  Persicaria hydropiperoides C. W. Sharsmith 1972-6-24 7807 Sonoma Laguna de Santa Rosa, N of Sebastopol, E of Graton Comment
  CAS-BOT-BC418925  Persicaria hydropiperoides Peter Rubtzoff 1958-8-17 3888 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road) Comment
  SD99429  Persicaria hydropiperoides Peter Rubtzoff 1954-8-10 1675 Sonoma Bodega Head Marsh, open marshy ground Comment
  CAS-BOT-BC419273  Persicaria maculosa Peter Rubtzoff 1970-8-5 6300 Sonoma 5 mi. north of Sears Point Comment
  CAS-BOT-BC419274  Persicaria maculosa Peter Rubtzoff 1958-7-20 3787 B Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd.) Comment
  CAS-BOT-BC419420  Persicaria punctata Peter Rubtzoff 1951-9-2 710 Sonoma Pitkin Marsh, near Forestville. North of the Lower Marsh Comment
  JEPS18122  Petrorhagia nanteuilii Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-31 5676 Sonoma along secondary road following Big Austin Creek (at base of The Butcher Knife); along secondary road following Big Austin Creek 182 Comment
  JEPS128247  Phacelia corymbosa Roger Raiche 2000-5-28 116 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC923137  Phacelia corymbosa Freed W. Hoffman 1950-6-17 3332 Sonoma Layton Chromite Mine North Coast Ranges, Austin Creek Comment
  CDA40384  Phacelia distans T. C. Fuller 1958-5-24 4020 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  UC126010  Phacelia distans Alice Eastwood 1893-4-27 Sonoma Hood Mountain Comment
  UC1299136  Phacelia distans Freed W. Hoffman April 1948 2758 Sonoma between Occidental and Monte Rio Comment
  UCD55067  Phacelia distans Ellen Dean; Tammie Beyerl 2006-4-28 3011 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  RSA0056425  Phacelia distans Greg de Nevers 1997-4-16 10943 Sonoma Moon Mountain Road. Comment
  POM299003  Phacelia divaricata J. T. Howell 1931-4-18 6421 Sonoma Mouth of Salmon Creek, two miles north of Bay. Comment
  UC24390  Phacelia egena F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  SEINET12327821  Phacelia imbricata F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -082 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  RSA428197  Phacelia ramosissima var. montereyensis E. A. Purer 1932-7-21 16262 Sonoma Bodega Bay. Comment
  UCR218638  Phalaris aquatica George K. Helmkamp, E. A. Helmkamp 2010-6-4 16218 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  CAS-BOT-BC258950  Phalaris aquatica J. Penalosa 1961-5-24 1602 Sonoma Pepper Rd. 0.9 mi. N of Petaluma - Valley Ford Rd. Comment
  SEINET11687491  Phalaris aquatica W. Knight, Knight, I. 1984-1 5417 Sonoma next to Spring Lake, Howarth Park, Santa Rosa Comment
  CAS-BOT-BC265911  Phalaris lemmonii Peter Rubtzoff 1960-5-15 4339 Sonoma Fife Creek Marsh, Sonoma County Marshes Comment
  SEINET11690146  Phalaris lemmonii J. T. Howell, Knight, I.; Knight, W. 1987-1 6249 Sonoma Todd Road Preserve 24 Comment
  JEPS70603  Phalaris minor Chas. Rule 1846-6-9 Sonoma within one mi of the ocean Jenner; , within one mi of the ocean Comment
  UC1146649  Phalaris paradoxa Freed W. Hoffman 1943-6-6 2209 Sonoma near Wright's Beach (Sonoma Coast); North Coast Ranges, , near Wright's Beach Comment
  HSC101099  Phalaris paradoxa Peter Warner 2011-8-10 227 Sonoma Jenner Headlands property, Muniz Ranch Rd., about 0.5 mi. N from Hwy. 1 intersection. 55 Comment
  UCD89316  Phleum alpinum P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC260879  Phleum pratense John Thomas Howell 1945-8-14 21397 Sonoma Perry Marsh Comment
  CAS-BOT-BC141057  Phoradendron serotinum subsp. macrophyllum Peter Rubtzoff 1965-10-10 5655 Sonoma Laguna de Santa Rosa NE of Graton (W. Guerneville Rd. crossing) Comment
  CAS-BOT-BC171218  Phoradendron serotinum subsp. tomentosum G. De Nevers 1981-9-5 1805 Sonoma Pepperwood Ranch. Near Hansel's Well Comment
  CAS-BOT-BC140617  Physocarpus capitatus G. DeNevers 1981-4-25 867 Sonoma Mark West Creek and Leslie Creek, Pepperwood Ranch Comment
  RSA796378  Picris echioides Peter Rubtzoff 1955-8-14 2050 Sonoma Forestville Marsh. Comment
  RSA516637  Pinus S. Flowers 1988-2-5 s.n. Sonoma Sonoma Rd. marker, Hwy One, 52.32 miles at Pebble Beach Access Trail, across Sea Ranch. Tree located 20 feet W of Hwy 1 and 12 feet N off parking entrance. Comment
  JEPS74967  Pinus ponderosa Tim Tunison Sonoma Sugarloaf Ridge Trail e of Kenwood (Sonoma Valley, 0.5 mi from site of nearest habitation and 100 yds recently built Vista Trail); Sugarloaf Ridge State Park 487 Comment
  UCD158878  Pinus ponderosa James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2900 Sonoma Mayacmas Mountains; northeast corner of Section 15, southwest of The Geysers. (Elevation estimated by label maker using Google Earth.) 609 Comment
  SEINET5334779  Pinus radiata L. Fallon 1939-1-6 s.n. Sonoma 7 mi. N of Santa Rosa Comment
  SEINET10795154 Image available Pinus sabiniana Henry N. Bolander 1864-8-27 Bolander s.n. Sonoma Sonoma Comment
  JEPS128315  Piperia leptopetala Roger Raiche 2000-5-20 100 .00 Sonoma The Cedars. Main Canyon at Camp. Lower Russian, Big Austin Creek watershed. Comment
  CAS-BOT-BC154157  Plagiobothrys Peter Rubtzoff 1972-5-14 6741 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road Comment
  RSA784981  Plagiobothrys Peter Rubtzoff 1969-5-11 6047 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  RSA785159  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UCD166129  Plagiobothrys Peter Rubtzoff 1969-5-3 6013 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD166132  Plagiobothrys Peter Rubtzoff 1969-5-3 6016 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD166174  Plagiobothrys Peter Rubtzoff 1969-6-15 6091 Sonoma Laguna de Santa Rosa, ca. 1 mile east- southeast of Sebastopol. Comment
  UCD166175  Plagiobothrys Peter Rubtzoff 1969-6-15 6096 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC166762  Plagiobothrys Peter Rubtzoff 1971-7-23 6618 Sonoma Laguna, Chileno Valley. Comment
  UC730024  Plagiobothrys Leo F. Koch 1940-4-24 846 Sonoma just n Warfield Station Comment
  UCD166067  Plagiobothrys Peter Rubtzoff; H. A. Froebe 1971-5-16 6455 Sonoma Duncans Mills Marsh. Comment
  CDA13131  Plagiobothrys bracteatus G. F. Hrusa, R. Gross 1996-6-3 13066 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  UCD166062  Plagiobothrys bracteatus Peter Rubtzoff 1971-5-8 6430 Sonoma E foothills of Sonoma Mtns. On Sobre Vista Road, 0.9 mi. W of Arnold Drive. Comment
  UCD33795  Plagiobothrys collinus var. californicus Beecher Crampton 1973-5-5 8927 Sonoma Sonoma County, Sonoma Coast State Park at Carmet. Comment
  UC78077  Plagiobothrys nothofulvus K. Brandegee May 1889 Sonoma Cloverdale Comment
  RSA783737  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6091 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  CAS-BOT-BC157657  Plantaginaceae Peter Rubtzoff 1969-5-24 s.n. Sonoma Vernal pool 6.5 mi. N.E. of Penngrove on Lichau Rd. Comment
  CAS-BOT-BC258016  Plantago Peter Rubtzoff 1965-8-16 5596 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCR143594  Plantago erecta G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  CAS-BOT-BC258383  Plantago subnuda Peter Rubtzoff 1960-6-9 4489 Sonoma Laguna de Santa Rosa area northeast of Graton, near Laguna Road. Comment
  CAS-BOT-BC258384  Plantago subnuda Peter Rubtzoff 1955-8-6 2022 Sonoma Bodega Harbor Marsh. Comment
  UC1051634  Platanthera limosa Peter Kamb 1950-6-16 1857 Sonoma 1 mi n Sousa Corners (nw of Sebastopol, Pitkin Marsh); Pitkin Marsh Comment
Read comments
1
  UC1073296  Platystemon californicus George B. Rossbach 1955-3-19 279 Sonoma w rim Bodega Head; w rim of Bodega Head 45 Comment
  UC118431  Platystemon californicus Katharine Brandegee 1905-6-25 Sonoma Bodega Head; Cliffs of Bodega Head Comment
  JEPS77873  Pleuropogon californicus Robert M. Lloyd 1965-5-8 3636 Sonoma se of Sebastepol (about 4 mi n of Route 116, Upper portion of Laguna de Santa Rosa Marsh, e of Cunningham); Laguna de Santa Rosa Marsh Comment
  UC573891  Pleuropogon californicus H. S. Yates 1937-6-5 6575 Sonoma near Wildwood 121 Comment
  CAS-BOT-BC260968  Pleuropogon californicus var. californicus Thomas W. Nelson; Jane P. Nelson 1980-5-3 5128 Sonoma Along Roberts Road ca 100 m. past bridge over Copeland Creek, east of Rhonert Park 60 Comment
  CAS-BOT-BC260975  Pleuropogon californicus var. californicus Peter Rubtzoff 1958-4-26 3600 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC260978  Pleuropogon californicus var. californicus Lewis S. Rose 1962-4-11 62020 Sonoma Laguna de Santa Rosa, 1/2 mi. e. of Cunningham 15 Comment
  RSA227223  Pleuropogon californicus var. californicus Peter Rubtzoff 1961-5-24 4601 Sonoma Upper Stemple Creek Marsh. Comment
  UCD90133  Pleuropogon californicus var. californicus Beecher Crampton 1955-4-5 2418 Sonoma 3 miles northwest of Cotati, Llano Road. Comment
  UCD90180  Pleuropogon californicus var. californicus R. Tofsrud 1941-3-1 s.n. Sonoma somewhere just south of Santa Rosa. Comment
  UC1258202  Pleuropogon hooverianus Paul But Aug 1977 P 45 Sonoma 0.5 mi from Freestone (on Bohemian Hwy at Freestone Flat Road) Comment
  HSC100363  Pleuropogon hooverianus J. McRae 1998-5-21 Sonoma Sonoma Mtn. 0 Comment
  UCR275260  Poa Peter Rubtzoff 1976-5-30 8572 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  CAS-BOT-BC255600  Poa annua John Thomas Howell 1951-5-28 27496 Sonoma Laguna E of Sebastopol Comment
  UCD163792  Poa annua Peter Rubtzoff 1989-4-30 9990 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  HSC10670  Poa compressa J. V. Lenz 1947-4-19 Sonoma Santa Rosa. Comment
  UCD90530  Poa kelloggii P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  RSA126953  Poa pratensis H. S. Yates 1936-5-16 5602 Sonoma 2 miles SE of Forestville 30 Comment
  CAS-BOT-BC243246  Poa secunda subsp. secunda John Thomas Howell; et al. 1981-5-14 53950 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC243255  Poa secunda subsp. secunda G. DeNevers 1981-4-4 622 Sonoma Pepperwood Ranch. By the Studio Comment
  JEPS45816  Poa secunda subsp. secunda Eleanor Armstrong 1932-5-19 163 Sonoma 1/4 mi n Santa Rosa 60 Comment
  RSA227196  Poa trivialis Peter Rubtzoff 1955-6-26 1905 Sonoma Duncan Mills Marsh. Comment
  UC1023578  Poa unilateralis Virginia Bufford 1936-5-1 158 Sonoma Larkspur Rock Bodega Canyon Comment
  UC463110  Poa unilateralis Milo S. Baker 1931-4-18 5390 Sonoma Bodega Bay Comment
  CAS-BOT-BC110663  Poaceae Peter Rubtzoff 1970-8-25 6342 Sonoma On Austin Creek beach, 0.5 miles north of Casadero. Comment
  CAS-BOT-BC376366  Poaceae Greg de Nevers 1992-6-26 10192 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Creek. 400 Comment
  RSA0062829  Poaceae Greg de Nevers 1989-6-8 9078 Sonoma Pepperwood Ranch, 3450 Fraz Valley Rd., Santa Rosa. 100 Comment
  CDA41540  Pogogyne douglasii G. F. Hrusa, A. Buckmann 1996-10-5 13586 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. 2 mi. SW of Calistoga. Comment
  CAS-BOT-BC368094  Pogogyne serpylloides Greg de Nevers 1998-5-5 11228 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  JEPS128244  Polycarpon tetraphyllum Roger Raiche 2000-3-30 053 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1002652  Polycarpon tetraphyllum Milo S. Baker and H. K. Wagnon 1954-7-1 12960 Sonoma Santa Rosa; sidewalk crevices in front of Hughes Garage 2nd St. Comment
  UCR253368  Polycarpon tetraphyllum Peter Rubtzoff, Nancy Harrison 1974-7-13 7676 Sonoma Upper Green Valley Marsh Comment
  JEPS128176  Polygala californica Roger Raiche 2001-5-17 025 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  RSA396196  Polygala californica F. H. Utech, Walter, Irja Knight 1984-4-18 84 -162 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane. 146 Comment
  UCD109703  Polygala californica Mary M. Hektner; Sue Dakuazku, Cathy Hendel 1974-7-3 107 Sonoma Unit 15 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA135334  Polygala californica Volney Rattan 1883-5-9 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC540806  Polygonum Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7847 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC414281  Polygonum aviculare subsp. depressum G. DeNevers 1981-7-1 1737 Sonoma Pepperwood Ranch. In Pippindale Garden Comment
  UCD73926  Polygonum bolanderi G. Ledyard Stebbins 1966-7-22 6480 Sonoma Mountain Home Ranch, 3.5 miles west of Calistoga. 274 Comment
  RSA0072156  Polygonum convolvulus Greg de Nevers 1992-8-1 10239 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 500 Comment
  JEPS87242  Polygonum douglasii Jack and Betty Guggolz 1991-10-9 1237 Sonoma 3/4 mi nnw Camp Meeker 195 Comment
  RSA234544  Polygonum hydropiperoides Peter Rubtzoff 1960-9-14 4535 Sonoma Laguna de Santa Rosa, E of Graton, (between Occidental and Guerneville road) Comment
  RSA234545  Polygonum hydropiperoides Peter Rubtzoff 1958-8-31 3954 Sonoma Atascadero Creek Marsh. Comment
  UC727705  Polygonum lapathifolium Milo S. Baker 1946-8-17 11562 Sonoma The Laguna; at the crossing of the Occidental Rd Comment
  UC727706  Polygonum persicaria Milo S. Baker 1946-8-17 11563 Sonoma The Laguna; at crossing of the Occidental Rd Comment
  RSA94323  Polygonum punctatum Peter Rubtzoff 1952-10-26 1330 Sonoma Western branch of the upper Marsh, at a shady place in shallow water Comment
  UC914094  Polypodium calirhiza Milo S. Baker June 1944 10886 Sonoma 1 1/2 mi n in hills Sonoma Comment
  CAS-BOT-BC76863  Polypodium calirhiza A. T. Graff 1926-2-1 s.n. Sonoma Cazadero Comment
  UC1784201  Polypodium scouleri Ethel Crum 1930-1 748 Sonoma Petaluma Comment
  CAS-BOT-BC350910  Polypogon Peter Rubtzoff 1970-9-3 6376 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  JEPS45804  Polypogon australis Eleanor Armstrong 1932-5-23 168 Sonoma near Wright School 3 mi w Santa Rosa Comment
  UC1011006  Polypogon australis Virginia Bufford 1936-5-22 385 Sonoma Skaggs Springs Rd about 10 mi from Stewarts Pt; Skaggs Springs Rd Comment
  RSA94463  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  UC50626  Polypogon interruptus J. Burtt Davy 1896-7-24 Sonoma along the Russian River below Guerneville; along the Russian River Comment
  UCD51645  Polypogon interruptus Beecher Crampton 1964-8-18 7142 Sonoma The Geysers, Geyser Creek. Comment
  CAS-BOT-BC233221  Polypogon maritimus Greg de Nevers 1992-6-26 10209 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CAS-BOT-BC237416  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Near Sonoma Comment
  CAS-BOT-BC237402  Polypogon monspeliensis David L. Morgan 1956-7-15 s.n. Sonoma At junction of Bloomfield Road and Petaluma - Valley Ford Road Comment
  CAS-BOT-BC311810  Polypogon viridis Peter Rubtzoff 1973-8-20 7225 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UC727666  Polystichum californicum Milo S. Baker 1944-12-31 10889 Sonoma 1 1/2 mi w El Verano (Fowler Canyon) Comment
  CAS-BOT-BC72174  Polystichum californicum Peter H. Raven 1950-4-23 1885 Sonoma Sobre Vista 152 Comment
  POM23158  Polystichum californicum Michener, Bioletti 1893-06 s.n. Sonoma Adobe Canyon Comment
  SEINET11719958  Polystichum californicum Unknown 1987-1 70019 Sonoma W of Cloverdale, Hot Springs Rd area, Lake Somona near inundation point of Brush Creek 183 Comment
  SEINET11720937  Polystichum dudleyi F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -63 Sonoma Glen Ellen area, junction Warm Springs Road & Sonoma Mt. Road along Graham Creek Comment
  UCD167969  Polystichum munitum James A. Neilson Jr. 1981-3-13 3989 Sonoma Mayacamas Mountains, Wildhorse Ck. Northeast Sonoma County. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCD165116  Populus Peter Rubtzoff 1973-10-10 7336 Sonoma Salmon Creek, 0.25 miles south of Freestone along creek canyon. Comment
  CAS-BOT-BC102669  Populus fremontii Peter Rubtzoff 1973-10-10 7335 Sonoma Forestville Marsh area, field ca. 25 yards from creek draining the Forestville Marsh Comment
  CAS-BOT-BC445298  Portulaca oleracea Peter Rubtzoff 1963-8-24 5242 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC267141  Potamogeton foliosus 1877-6-17 s.n. Sonoma Russian River, Guerneville Comment
  UCR244636  Potamogeton nodosus Peter Rubtzoff 1971-6-25 6552 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  CAS-BOT-BC454078  Potamogeton pusillus subsp. pusillus M. S. Baker 1899-6-1 s.n. Sonoma Near Sebastopol Comment
  UC441323  Potamogeton pusillus var. pusillus Milo S. Baker June 1899 Sonoma near Sebastopol Comment
  CAS-BOT-BC141961  Potentilla anserina subsp. pacifica Alice Eastwood 1917-5-13 s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC141957  Potentilla anserina subsp. pacifica Peter Rubtzoff 1954-7-26 1556 Sonoma Coleman Marsh - Sonoma County Marshes Comment
  JEPS46068  Potentilla anserina subsp. pacifica Eleanor Armstrong May 1932 517 Sonoma Sorrenti Ranch near Camp Meeker, Sorrenti Ranch 106 Comment
  RSA0005687  Potentilla hickmanii Milo S. Baker 1947-6-26 11831 Sonoma Cunningham Marsh, ca 1 mile SW of Cunningham Sta. (air line) Comment
  CAS-BOT-BC516394  Prosartes hookeri A. A. Heller; H. E. Brown 1902-3-27 s.n. Sonoma Western base of Mt. Hood Comment
  UCD139802  Prosartes hookeri Mary M. Hektner 1976-5-13 258 Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. 1325 Comment
  UC495537  Prunella vulgaris var. lanceolata Merle Randall 1930-6-8 Sonoma Cazadero Comment
  RSA120750  Prunella vulgaris var. lanceolata S. S. Tillett 1956-6-20 568 Sonoma on hillside overlooking Drake Memorial, Drakes Bay, Point Reyes Peninsula Comment
  CAS-BOT-BC158589  Prunus Peter Rubtzoff 1987-3-15 9757 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Off Summerhome Park Road 0.2 miles west of Forest Hills Road Comment
  CAS-BOT-BC154682  Prunus subcordata Stewart Wade 1927-4-1 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC361616  Pseudognaphalium stramineum Roxana S. Ferris 1937-8-18 9375 Sonoma At mouth of Salmon Creek on Bodega Bay Comment
  UCD135205  Pseudognaphalium stramineum P. G. Connors 1992-6-9 276 Sonoma Bodega Head and Dunes. Comment
  CAS-BOT-BC80185  Pseudotsuga menziesii A. A. Heller; H. E. Brown 1902-3-31 5188 Sonoma Mt. Hood Comment
  JEPS46756  Pseudotsuga menziesii var. menziesii W. L. Jepson 1931-7-19 15955 Sonoma Watson School near Bodega Comment
  UCD135111  Pseudotsuga menziesii var. menziesii J. Adams; J. Weick 1993-5-8 260 Sonoma Sugarloaf State Park, about 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Comment
  CAS-BOT-BC166787  Psilocarphus Peter Rubtzoff 1971-6-10 6531 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC173846  Psilocarphus Peter Rubtzoff; Nancy Harrison 1974-5-26 7480 Sonoma Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  CAS-BOT-BC176173  Psilocarphus Peter Rubtzoff 1970-5-16 6229 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC176174  Psilocarphus Peter Rubtzoff 1970-5-30 6249 Sonoma 5 miles north of Sears Point. Comment
  UCD166214  Psilocarphus Peter Rubtzoff 1970-5-16 6229 Sonoma 5 miles north of Sears Point. Comment
  UC1601292  Psilocarphus oregonus E. Palmer Sonoma Petaluma Comment
  CAS-BOT-BC362079  Psilocarphus tenellus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53942 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-BC164677  Pteridium Peter Rubtzoff 1971-9-3 6699 Sonoma Southeastern border of Spring Creek Reservoir area. Comment
  UCSB50254  Pteridium aquilinum Gray, John 1976-5-1 Sonoma Above Blind Beach, Sonoma State Beach. T7N R11W 60 Comment
  UCD160872  Pteridium aquilinum var. pubescens James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3266 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC460849  Pyrola aphylla Juanita E. Charles 1925-6-1 s.n. Sonoma Cazadero 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
  CAS-BOT-BC94234  Quercus X eplingii Peter H. Raven 1955-8-27 8757 Sonoma 3.2 mi N of Sears Point on State Route 37 Comment
  CDA16159  Quercus X eplingii G. F. Hrusa, R. Gross 1999-6-12 15076 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
  UCD46050  Quercus X eplingii G. F. Hrusa; R. Gross 1999-6-12 15076 Sonoma Foote Ranch, corner of Ida Clayton Rd and Hwy 128, Knights Valley. Comment
  RSA74458  Quercus X ganderi C. F. Baker 1952-9-20 12518 Sonoma Sonoma County: Voight Ranch Sw of Cunningham Station Comment
  UCD19428  Quercus X howellii Shannon Murphy 2001-8-1 s.n. Sonoma Austin Creek State Park. 150 Comment
  CAS-BOT-BC104298  Quercus X morehus John Thomas Howell 1946-8-17 22859 Sonoma Lloyd Voit Ranch W of Cunningham Comment
  CAS-BOT-BC61632  Quercus agrifolia Irja Knight; Walter Knight 1964-11-15 794 Sonoma along road half way up Hood's Peak Comment
  UC1193300  Quercus agrifolia P. Zinke 1950-4-25 111 Sonoma Pine Mt. Road, Quad 61A4 487 Comment
  UC405367  Quercus agrifolia W. P. Taylor 1913-6-11 Sonoma Freestone Comment
  UC503094  Quercus agrifolia Joseph P. Tracy 1930-11-30 9271 Sonoma creek below Knights Valley; North Coast Ranges 152 Comment
  CAS-BOT-BC94152  Quercus durata D. E. Breedlove 1976-3-27 39445 Sonoma along Dry Creek Road west of Warm Springs Dam Comment
  UC1084449  Quercus garryana G. Thomas Robbins 1940-3-24 307 Sonoma ca 6 mi ne Santa Rosa; Rincon Ridge 167 Comment
  CDA21150  Quercus garryana var. garryana G. F. Hrusa, G. L. Stebbins 1993-10-3 11463 Sonoma Sugarloaf Ridge State Park; Nr. summit of Bald Mountain. 731 Comment
  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
  UC338622  Quercus kelloggii unknown Mar 1888 Sonoma near Healdsburg (Warner's ranch) Comment
  UCD46678  Quercus kelloggii Lewis S. Rose 1964-6-27 64058 Sonoma 2 miles n of Sonoma hill slopes. 274 Comment
  CAS-BOT-BC62801  Quercus lobata Peter Rubtzoff 1951-8-18 637 Sonoma Pitkin Marsh, near Forestville, Western branch of the Upper Marsh Comment
  UC1042517  Quercus lobata Peter Rubtzoff 1951-11-24 836 Sonoma near Forestville (s of the Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC376399  Ranunculus Greg de Nevers 1996-4-18 10793 Sonoma Knight's Valley Marsh, on Bavarian Lion Ranch, south end of valley. 91 Comment
  CAS-BOT-BC379157  Ranunculus aquatilis var. aquatilis Greg de Nevers 1987-2-28 8128 Sonoma Pepperwood Ranch Natural Preserve; 3500 Franz Valley Rd., Santa Rosa 00000000000000000000000 400 Comment
  CAS-BOT-BC378951  Ranunculus arvensis Peter Rubtzoff; H. A. Froebe 1971-5-30 6490 Sonoma dry bed of vernal pool 4.25 mi west of Glen Ellen on Bennett Valley Road Comment
  POM118705  Ranunculus californicus Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma. Comment
Read comments
Jan 23 2011
  SEINET12087446  Ranunculus californicus A. Eastwood, Howell, J. T. 1939-1 s.n. Sonoma Sonoma coast N of Bodega Bay Comment
  UCD95929  Ranunculus californicus Beecher Crampton 1973-5-5 8929 Sonoma Sonoma Coast State Park at Carment. Comment
  CAS-BOT-BC378676  Ranunculus californicus var. californicus A. A. Heller 1902-3-16 5078 Sonoma Near Trenton Comment
  CAS-BOT-BC378689  Ranunculus californicus var. californicus Walter Knight; Irja Knight 1964-2-27 532 Sonoma Highway 1 near Plantation turnoff Comment
  CAS-BOT-BC378699  Ranunculus californicus var. californicus Alice Eastwood 1921-4-24 10338 Sonoma Santa Rosa Comment
  POM118704  Ranunculus californicus var. gratus Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  JEPS86343  Ranunculus lobbii Jack and Betty Guggolz 1988-2-18 899 Sonoma pool about 1/8 mi e Fulton Road (1/4 mi n of Guerneville) Comment
  CAS-BOT-BC83437  Ranunculus lobbii Margot Lowry 1983-5-5 33 Sonoma 2 miles north on Adobe Road from Sonoma Mountain and Adobe Road junction. 30 Comment
  RSA534585  Ranunculus muricatus Peter Rubtzoff 1969-5-11 6033 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  POM269266  Ranunculus muricatus H. L. Mason 1928-4-7 4275 Sonoma Jenner, mouth of Russian River Comment
  UCD158817  Ranunculus occidentalis var. occidentalis James A. Neilson Jr. 1974-4-17 2890 Sonoma Mayacmas Mountains. Above Big Geyser Canyon. (Elevation estimated using topo map by label maker.) 914 Comment
  UCD97051  Ranunculus orthorhynchus Mary M. Hektner 1976-4-3 231 Sonoma along ocean headlands above Shell Beach; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA3946  Ranunculus orthorhynchus var. bloomeri I. L. Wiggins 1932-3-12 5757 Sonoma roadside ditch, Knight's Valley Comment
  UC118200  Ranunculus pusillus Mich. and Bioletti 1892-5-1 Sonoma Shellville Comment
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Jul 22 2010
  CAS-BOT-BC55942  Rhamnus crocea Walter Knight; Irja Knight 1964-1-17 513 Sonoma Upper Hooker Canyon, Cavedale Rd. Comment
  UCSC000472  Rhamnus crocea R. W. Lundh 1932-7-21 124 Sonoma Napa, Hooker Canyon 549 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-BC196915  Rhododendron James McMurphy 1909-5-29 s.n. Sonoma Between Geyser Mountain and the Geysers Comment
  CAS-BOT-BC53745  Rhododendron columbianum Lewis S. Rose 1955-6-2 55058 Sonoma Pitkin Marsh, w. of Vine Hill Road, 10 mi. w. of Santa Rosa 30 Comment
  UC634736  Rhododendron occidentale H. L. Mason 1934-4-28 8066 Sonoma Head of Dohrman Creek, Jensen's Ranch Dohrman Creek; , Jensen's Ranch Comment
  CAS-BOT-BC200337  Rhododendron occidentale var. occidentale A. A. Heller 1902-6-24 5749 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC200343  Rhododendron occidentale var. occidentale Peter Rubtzoff 1970-6-6 6254 Sonoma Bloomfield Road. 4 1/4 mi. northeast of Bloomfield Comment
  CAS-BOT-BC200344  Rhododendron occidentale var. occidentale Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  CDA21383  Rhododendron occidentale var. occidentale G. F. Hrusa, M. Griffiths 1989-6-4 7116 Sonoma North Coast Ranges; Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. Comment
  CAS-BOT-BC111866  Rhynchospora alba John Thomas Howell; Hans Leschke 1945-5-30 20896 Sonoma Pitkin Marsh Comment
  UCR256819  Rhynchospora californica Peter Rubtzoff 1961-10-18 4763 Sonoma Cunningham Marsh [near 1460 Big Cedar Lane, Sebastapol, CA] 38 Comment
  CAS-BOT-BC111899  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh Comment
  UC1026464  Rhynchospora capitellata Peter Rubtzoff 1951-7-1 341 Sonoma uppermost part western branch of Upper Marsh (near Forestville); Pitkin Marsh Comment
  UC710415  Rhynchospora capitellata John Thomas Howell 1936-7-26 12677 Sonoma 5 mi n Sebastopol; Pitkin Marsh Comment
  CAS-BOT-BC111927  Rhynchospora recognita John Thomas Howell 1945-8-14 21393 Sonoma Perry Marsh Comment
  UC75443  Ribes californicum Milo S. Baker 713 Sonoma near Santa Rosa Comment
  UCR255687  Ribes divaricatum Greg de Nevers 1998-4-27 11204 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  UCD151193  Ribes menziesii James A. Neilson Jr. 1974-7-10 s.n. Sonoma Mayacmas Mountains, west of Geyser Rock, along road to PG and E geothermal units 9 and 10, eastern Sonoma County. (Elevation estimated using Google Earth by label maker.) 1036 Comment
  CAS-BOT-BC198923  Ribes roezlii var. cruentum R. Bacigalupi 1948-3-6 2857 Sonoma Slopes of Mayacamas Range, on road from the Geysers to Geyserville. Comment
  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
  UC11671  Ribes victoris F. T. Bioletti Mar 1891 Sonoma Watson's Canyon Comment
  POM203710  Romanzoffia californica J. T. Howell 1931-4-18 6411 Sonoma Larkspur Rock near Bodega Bay. Comment
  CAS-BOT-BC376306  Rorippa sinuata Greg de Nevers 1992-5-13 10148 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Turtle Pond. 400 Comment
  CAS-BOT-BC251219  Rosa Peter Rubtzoff 1973-9-9 7314 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC152660  Rosa californica Peter Rubtzoff 1951-8-18 631 Sonoma Western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC152670  Rosa californica Walter Knight; Irja Knight 1963-10-3 351 Sonoma Bennett Valley Comment
  CAS-BOT-BC146776  Rosa gymnocarpa R. D. Stone 1983-6-14 537 Sonoma In headwaters of Squaw Cr. drainage ca. 1.2 mi. NW of Geyser Rock 975 Comment
  CAS-BOT-BC148200  Rosa rubiginosa Peter Rubtzoff 1959-5-30 4063 Sonoma Freestone Marsh Comment
  NY415883  Rosa sonomensis L. Greene 1888-9-30 s.n. Sonoma Comment
  CAS-BOT-BC156574  Rubus Peter Rubtzoff 1951-6-30 290 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC262810  Rubus Peter Rubtzoff 1958-5-3 3613 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC262848  Rubus Peter Rubtzoff 1954-7-28 1591 Sonoma Guerneville Marsh; northwestern end of marsh. Comment
  UCD113763  Rubus armeniacus Mary M. Hektner 1975-8-14 221 Sonoma on fence along State Highway 1, just north of Galleons Reach, Sea Ranch. Comment
  CAS-BOT-BC147991  Rubus leucodermis H. E. McMinn 1922-6-7 928 Sonoma By Monte Rio, seen along roadside three canyon from Occidental Comment
  UC467858  Rubus spectabilis Katharine Brandegee June 1905 Sonoma Bodega Comment
  CAS-BOT-BC158721  Rubus ulmifolius Milo S. Baker 1944-7-31 10879 Sonoma Bank of Sonoma Cr. at the Miller residence below Kenwood. Comment
  CAS-BOT-BC157177  Rubus ursinus A. A. Heller 1902-6-26 5774 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC157182  Rubus ursinus Walter Knight; Irja Knight 1964-2-16 810 Sonoma Mill Creek Rd, W. of Healdsburg Comment
  UCD17813  Rubus ursinus H. Olmo 8-10 May 1962 62 08 Sonoma California. Sonoma County: 1.3 miles south from junction of road to Fort Ross in Cazadero. 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-BC173544  Rumex Peter Rubtzoff 1964-6-24 5387 Sonoma Coleman Marsh. Salmon Creek. Comment
  UCD166499  Rumex Peter Rubtzoff 1962-6-24 4963 Sonoma Vacation Beach, 1.5 miles below Guerneville, along Russian River. Comment
  UCR255649  Rumex Greg de Nevers 1997-9-22 11088 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC422235  Rumex acetosella J. D. Randall 1907-7-12 297 Sonoma Sebastopol Comment
  CAS-BOT-BC422238  Rumex acetosella G. DeNevers 1981-5-30 1336 Sonoma Pepperwood Ranch. N of Hansel's corral. Comment
  POM165242  Rumex acetosella A. A. Heller 1902-6-7 5655 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UCD101051  Rumex acetosella Caitlin Lewis; William Mutch 1993-4-17 10 Sonoma about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile near visitor center. Along Sonoma Creek. 365 Comment
  CAS-BOT-BC164667  Rumex crispus Peter Rubtzoff 1954-6-6 1465 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC433416  Rumex crispus Peter Rubtzoff 1951-6-30 310 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC433450  Rumex crispus Alice Eastwood 1915-6-30 4896 Sonoma Bodega Comment
  CAS-BOT-BC433738  Rumex occidentalis J. W. Congdon 1880-5-23 s.n. Sonoma Petaluma Comment
  UCR256124  Rumex paucifolius Greg de Nevers 1995-9-25 10773 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  UCD101464  Rumex pulcher Frederica Bowcutt 1994-6-24 1881 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek. Along Goodspeed trail, about 1/8 mile from trailhead on Adobe Canyon Rd. 213 Comment
  CAS-BOT-BC239853  Rytidosperma penicillatum J. C. Roos 1957-7-2 6651 Sonoma Miller Ridge Comment
  CAS-BOT-BC239854  Rytidosperma penicillatum Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch Comment
  UC814581  Sagittaria Milo S. Baker 7972 Sonoma Gravenstein Highway just n Cunningham Station Comment
  UC903712  Salicornia europaea Milo S. Baker 1946-10 11661 Sonoma 1 mi n junction with Sears Point Hwy. (e of hwy) Comment
  CAS-BOT-BC290712  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7346 Sonoma Kenwood Marsh. Comment
  UCR250388  Salix Peter Rubtzoff 1973-10-10 7337 Sonoma Salmon Creek, 0.25 mi south of Freestone 64 Comment
  RSA0015574  Salix Peter Rubtzoff 1973-9-9 7313 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC126266  Salix X sepulcralis W. A. Setchell 1934-3-17 s.n. Sonoma Valley Ford Road, six miles from Petaluma Comment
  CAS-BOT-BC103074  Salix bonplandiana A. A. Heller 1902-4-23 5348 Sonoma Near Sonoma Comment
  UC1299158  Salix breweri Freed W. Hoffman 1947-5-30 517 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC103947  Salix exigua Peter Rubtzoff 1966-4-30 5698 Sonoma Todd Road 1.4 mi. from Highway 116 and 0.6 mi. from Llano Road Comment
  UC453085  Salix exigua var. hindsiana W. A. Setchell 1931-7-25 6 Sonoma bed of Russian R. at Bohemian Grove near Monte Rio Comment
  UC453086  Salix exigua var. hindsiana W. A. Setchell 1931-7-25 7 Sonoma Russian R. at Bohemian Grove (near Monte Rio) 213 Comment
  CAS-BOT-BC107756  Salix hindsiana G. De Nevers 1981-5-20 1236 Sonoma Pepperwood Ranch - along Leslie Creek, 100 m above confluence with Mark West Creek Comment
  RSA90541  Salix laevigata Milo S. Baker 1930-04 3945 Sonoma S.R. Creek 1 mile E of S.R. on Sonoma Hwy. Comment
  UC66164  Salix lasiandra subsp. lasiandra A. A. Heller 1902-8-23 5098 Sonoma Santa Rosa Creek e. of Santa Rosa Comment
  CAS-BOT-BC107092  Salix lasiolepis Peter Rubtzoff; J. Eckenwalder 1973-10-3 7333 Sonoma along Salmon Creek 0.75 mi. northwest of Freestone Comment
  UC1042520  Salix lasiolepis Peter Rubtzoff 1951-9-2 714 Sonoma marshy opening s Upper Marsh (near Forestville); Pitkin Marsh Comment
  UC453103  Salix lasiolepis W. A. Setchell 1931-7-31 19 Sonoma Bodega Bay Comment
  UC453115  Salix lasiolepis W. A. Setchell 1931-8-1 28 Sonoma Jenner-by-the-Sea Comment
  UC482062  Salix lasiolepis Baker, Ball, Bracelin, and Crum 1931-5-9 345 Sonoma about 2 km e Bodega Bay (creek bed) Comment
  UC511361  Salix lasiolepis Lyman Benson 1930-3-20 1954 Sonoma 4 mi. n. of Santa Rosa; San Francisco Bay watershed, Mayacamas Mt. Range 152 Comment
  SEINET5633134 Image available Salix lasiolepis A. A. Heller 1902-1 2738 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC107347  Salix lasiolepis var. bigelovii Peter Rubtzoff; T. J. Crovello 1964-9-3 5498 Sonoma Brooks Gulch Marsh Comment
  SD133977  Salix lasiolepis var. bigelovii Peter Rubtzoff, Theodore J. Crovello 1964-9-3 5493 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC128317  Salix lasiolepis var. lasiolepis W. A. Setchell 1933-7-2 2 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  RSA94335  Salix lucida Peter Rubtzoff 1952-3-23 890 Sonoma Lower part of the Upper Marsh, in open damp area. Comment
  RSA94336  Salix lucida subsp. lasiandra Peter Rubtzoff 1951-8-18 626 Sonoma Pitkin Marsh, near Forestville. Western branch of the upper marsh. Comment
  CAS-BOT-BC125698  Salix melanopsis W. A. Setchell 1931-8-1 s.n. Sonoma Bohemian Grove, near Monte Rio, in gravelly bed of Russian River Comment
  UC453116  Salix scouleriana W. A. Setchell 1931-8-1 29 Sonoma well up Kitchen Creek Bohemian Grove; Kitchen Creek, Bohemian Grove 60 Comment
  UC519397  Salix scouleriana Milo S. Baker 1933-4 Sonoma 3 mi. w. Sebastopol (along Santa Rosa-Bodega Hwy., at O'Farrell Hill); O'Farrell Hill Comment
  UCR142842  Salix scouleriana Milo S. Baker, C. R. Ball, Mrs. H. P. Bracelin, Ethel Crum 1931-5-9 342 Sonoma Coast Range, 2 km east of Occidental on Occidental Grade Comment
  LA208908  Salix scouleriana Milo S. Baker; March 1933 7565 Sonoma at foot of O'Farrel Hill on Bodega Hwy Comment
  RSA90536  Salix scouleriana Milo S. Baker 1939-4-12 3428 -c Sonoma W of Occidental 0.5 mile Coleman Valley Rd Comment
  CAS-BOT-BC128913  Salix sitchensis A. A. Heller 1903-4-23 6602 Sonoma Fort Ross Comment
  CAS-BOT-BC128949  Salix sitchensis W. A. Setchell 1933-5-6 s.n. Sonoma Roadside between monte Rio and Camp Meeker Comment
  UC453080  Salix sitchensis W. A. Setchell 1931-7-25 2 Sonoma bank of Russian R. at Bohemian Grove near Monte Rio; Russian R. Comment
  UC453110  Salix sitchensis W. A. Setchell 1931-8-1 24 Sonoma 1 1/2 mi. in from Jenner-by-the-Sea (near Ferry Camp) Comment
  UC524782  Salix sitchensis W. A. Setchell 1934-7-10 2 Sonoma opposite C. Call's house Fort Ross (Coast Hwy.) 30 Comment
  RSA0034653  Salix sitchensis C. F. Baker, Carleton R. Ball, H. P. Bracelin, Ethel Katherine Crum 1931-5-9 344 Sonoma About 2 km east of Bodega Bay. Comment
  UC726375  Salix sitchensis A. A. Heller 1900-3-12 5044 Sonoma e. flank Mt. Hood (Sonoma Creek); , Sonoma Creek Comment
Read comments
May 1 2014
  CAS-BOT-BC366868  Salvia columbariae Greg de Nevers 1998-4-24 11192 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Northwest of High Hill, southwest of big bay 400 Comment
  UCLA70040  Salvia columbariae A. A. Heller and H. E. Brown 1902-4-4 5212 Sonoma hills e Santa Rosa Comment
  CAS-BOT-BC225220  Salvia sonomensis Mrs. C. A. Burlingame 1921-5-30 s.n. Sonoma Sonoma Comment
  RSA134121  Salvia sonomensis John H. Thomas 1955-5-22 5189 Sonoma Along St. Helena Road and West Creek, about 2.7 miles west of Sonoma-Napa County line, about 8 miles northeast of Santa Rosa 366 Comment
  SFV8448  Salvia sonomensis K. Milam 1966-3-3 6 Sonoma North Coast Ranges Cavedale Road, opposite Hooker Canyon. 425 Comment
  SEINET12329966  Salvia sonomensis F. H. Utech 1986-1 86 -112 Sonoma ca 5 mi NE on Cavedale Road from junction with CA 12 500 Comment
  SEINET12330321  Salvia sonomensis W. Knight, Edwards, S. 1985-1 5187 Sonoma Ridge NW of summit of Kortum Canyon Road Comment
  SEINET8018692  Salvia sonomensis W. Roderick 1967-4-28 s.n. Sonoma Cavedale Road, N of Sonoma. 457 Comment
  CAS-BOT-BC245883  Sambucus nigra subsp. caerulea Walter Knight; Irja Knight 1963-9-1 145 Sonoma Pine Mt. Rd., NE of Cloverdale, Harold Smith Ranch Comment
  CAS-BOT-BC245884  Sambucus nigra subsp. caerulea Peter Rubtzoff 1952-6-9 1185 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  SEINET10501134  Sambucus racemosa var. arborescens Frederick H. Utech, Walter Knight; Irja Knight 1984-4-17 Utech 84 -159 Sonoma Ca 5.0 mi E of Bridgehaven on Willow Creek Rd. Tree to 10 ft tall; edge of Redwood Forest Association. 145 Comment
  OBI39521  Sambucus racemosa var. racemosa F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-17 84 -159 Sonoma Ca 5.0 mi E of Bridgehaven on Willow Creek rd 145 Comment
  UCD137272  Sambucus racemosa var. racemosa Mary M. Hektner; Cathy Hendel , Sue Dakuzaku 1974-7-4 116 Sonoma north of Sea Drift Road; Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. 3 Comment
  CDA36949  Sanicula bipinnatifida CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  POM117139  Sanicula crassicaulis Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UCD160752  Sanicula crassicaulis James A. Neilson Jr. 1975-5-23 3199 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  SEINET13945169 Image available Sanicula crassicaulis C. Ritchie Bell 1952-1 3 X-334 Sonoma On hills between Santa Rosa and Calistoga Comment
  UC1022536  Sanicula crassicaulis C. Ritchie Bell 1952-3-8 3 X335 Sonoma near entrance to Mountain Home Ranch Comment
  CAS-BOT-BC251243  Saponaria Peter Rubtzoff 1955-9-10 2127 Sonoma Guerneville Marsh. Comment
  RSA799993  Saponaria Peter Rubtzoff 1955-9-10 2127 Sonoma Marshes: Guerneville Marsh. Comment
  UC11769  Saxifraga californica F. T. Bioletti 1894-1 Sonoma Hood's Peak Comment
  SD254704  Saxifraga mertensiana Ann Howald 2015-4-1 3331 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage. 294 Comment
  JEPS77257  Scandix pecten-veneris Robert M. Lloyd 1963-4-24 2395 Sonoma 13.8 mi from State Highway 12 (on road to Oakdale) 365 Comment
  CAS-BOT-BC283142  Schedonorus arundinaceus G. De Nevers 1981-6-20 1593 Sonoma Along Leslie Creek near confluence with Mark West Creek, Pepperwood Ranch Comment
  CAS-BOT-BC111435  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1966-7-23 1980 Sonoma Forestville Marsh. Comment
  HSC83392  Schoenoplectus americanus Mary M. Hektner 1976-8-26 267 Sonoma Mouth of ravine towards Walk-on-Beach, Unit 28 Owners' Map, Sea Ranch, near Hwy. 1 Comment
  RSA540067  Schoenoplectus californicus Peter Rubtzoff 1966-8-18 5790 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol Comment
  CAS-BOT-BC111660  Schoenoplectus mucronatus Peter Rubtzoff; Lucy Blake; Nancy Harrison; Betty Lovell 1979-7-15 9290 Sonoma Knights Valley. Pond on east side of Ida Clayton Road. Comment
  RSA534612  Schoenoplectus pungens Peter Rubtzoff 1955-8-20 2067 Sonoma Bodega Harbor Marsh. Comment
  UCD50153  Schoenoplectus pungens var. badius Mary M. Hektner 1975-6-3 201 Sonoma Unit 28 Owner's Map, Sea Ranch, near State Highway 1, Sonoma County, California. Comment
  CAS-BOT-BC111806  Schoenoplectus pungens var. badius Peter Rubtzoff 1959-6-13 4126 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC111836  Schoenoplectus tabernaemontani Peter Rubtzoff 1955-7-9 1930 Sonoma Forestville Marsh. Comment
  SEINET12050505  Scoliopus bigelovii F. H. Utech 1988-1 88 -182 Sonoma 0.15 mi SE from East Ave jct with Bohemian Road on latter enroute to Occidental from Camp Meeker 140 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
  UCSB13223  Scoliopus bigelovii Dearing, Hugh; Dearing, Margaret 1939-5-14 Sonoma Nr. Monte Rio Comment
  UC1023610  Scribneria bolanderi Virginia Bufford 1935-4-14 438 Sonoma Occidental, Blundin's Pasture Occidental; , Blundin's Pasture Comment
  UC972188  Scribneria bolanderi Milo S. Baker 1952-3-20 12396 Sonoma about 1/4 mi n of Caliente (e side of Highway 12); Highway 12 Comment
  RSA0056562  Scrophularia Greg de Nevers 1995-12-3 10777 Sonoma Ida Clayton Road over Mt. St. Helena, 3 miles north of Highway 128. 182 Comment
  UCR248718  Scrophularia californica Peter Rubtzoff 1962-10-23 5122 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  CAS-BOT-BC5692  Scutellaria antirrhinoides Amos Arthur Heller 1902-6-27 5786 Sonoma West of Windsor near Russian river Comment
  UCR254833  Scutellaria tuberosa Greg de Nevers 1997-4-16 10933 Sonoma North Coast Range, Cavedale Road 152 Comment
  RSA0004003  Scutellaria viarum A. A. Heller 1902-6-27 5786 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC327426  Senecio flaccidus var. douglasii Volney Rattan 1887-7-25 s.n. Sonoma Valley Springs Comment
  RSA177961  Senecio greenei R. F. Thorne 1965-4-20 34380 Sonoma Charles Newman's place up Los Alamos Rd, on Rincon Ridge 396 Comment
  CDA35516  Senecio jacobaea Ed Finley 1986-8-2 s.n. Sonoma Sea Ranch, Coast Hwy 1, west side, near marker 53.41. 0 Comment
  UCD135597  Senecio minimus W. L. Jepson 1931-7-19 15954 Sonoma between Russian River mouth and Occidental. Comment
  UCD135615  Senecio minimus D. Sampson 1926-7-8 s.n. Sonoma Monte Rio Ranch. Comment
  JEPS77267  Senecio sylvaticus Robert M. Lloyd 1963-4-24 2404 Sonoma 18.9 mi e State Highway 12 (on road to Oakdale) Comment
  UCD18204  Senecio sylvaticus Joe Ditomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab, in sand dunes near housing facility. Comment
  CAS-BOT-BC173681  Senecio vulgaris Peter Rubtzoff 1956-9-14 2896 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  JEPS128269  Senecio vulgaris Roger Raiche 2000-4-8 025 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC364680  Senecio vulgaris Walter Knight; Irja Knight 1963-10-14 414 Sonoma Blomquist Ranch, Penngrove Comment
  UC252  Sequoia sempervirens J. Burtt Davy July 1896 Sonoma near Guerneville Comment
  UC536018  Sequoia sempervirens W. A. Setchell and Victor Duran 1935-3-31 Sonoma Bohemian Grove near Monte Rio (crevices in stone steps leading to Owl Shrine); Bohemian Grove Comment
  UC536019  Sequoia sempervirens W. A. Setchell and Victor Duran 1935-3-31 Sonoma garden of Mrs. Max Knittl Monte Rio Comment
  SBBG4709  Sidalcea H. and M. Dearing 1939-5-14 3346 Sonoma near Healdsburg Comment
  UCD116786  Sidalcea malviflora Cynthia Hodges 1982-4-8 13 Sonoma 10 miles south of Healdsburg on Chalk Hill Road directly off Highway 128. 39 Comment
  CHSC66957  Sidalcea malviflora subsp. laciniata James D. Jokerst; Lorie May 1993-5-13 3980 Sonoma Sonoma Air Center. Comment
  JEPS67239  Sidalcea malviflora subsp. laciniata W. L. Jepson 1921-5-6 9191 Sonoma Sonoma Valley Comment
  SDSU8174  Sidalcea malviflora subsp. laciniata D. F. Howe 1963-5-22 3522 Sonoma Vine Hill Road, about 10 miles west of Santa Rosa 152 Comment
  POM61854  Sidalcea malviflora subsp. malviflora A. A. Heller, H. E. Brown 1902-4-9 9190 Sonoma Three Miles South of Healdsburg. 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
  CAS-BOT-BC384436  Silene coronaria Peter Rubtzoff 1954-6-19 1498 Sonoma East Guernewood, near Guerneville Comment
  CAS-BOT-BC392492  Silene gallica Greg de Nevers 1997-5-23 11008 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. 457 Comment
  UC1300952  Silene gallica Helen K. Sharsmith 1963-5-25 5478 Sonoma on road from Freestone to Occidental; San Francisco Bay Region, rd fr Freestone to Occidental 121 Comment
  UCD158812  Silene gallica James A. Neilson Jr. 1974-4-16 3169 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  UCR253372  Silene gallica Peter Rubtzoff 1969-8-14 6134 Sonoma Along Salmon Creek, c. 0.5 mile upstream from Hwy #1 3 Comment
  RSA177901  Silene gallica R. F. Thorne 1965-4-20 34356 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  CAS-BOT-BC389226  Silene laciniata subsp. californica D. E. Breedlove 1980-6-27 44758 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD160112  Silene laciniata subsp. californica James A. Neilson Jr. 1973-6-3 2955 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC389230  Silene laciniata subsp. californica Peter Rubtzoff 1952-6-10 1225 Sonoma Top of Fitch Mtn., near Healdsburg 304 Comment
  SBBG71623  Silene laciniata subsp. californica L. Rowntree 1931-7-15 Sonoma Stewart Point to Skaggs Springs Comment
  UC905113  Silene multinervia Milo S. Baker 1947-4-22 11689 Sonoma near Kenwood (on Macartney Ranch); w slope Hood Mt., near Kenwood, Macartney Ranch 182 Comment
  CAS-BOT-BC364813  Silybum marianum Peter Rubtzoff 1951-7-21 479 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC364814  Silybum marianum Peter Rubtzoff 1951-7-21 479 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  UCD166206  Sisymbrium officinale Peter Rubtzoff 1969-8-29 6169 Sonoma Willow Creek Marsh. Comment
  UCD160117  Sisyrinchium James A. Neilson Jr. 1973-6-3 3040 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  UCD136307  Sisyrinchium bellum M. Rei Scampavia Evangelista 2012-5-19 5 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
  SEINET12050589  Sisyrinchium bellum F. H. Utech 1988-1 88 -190 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 Comment
  RSA239773  Sisyrinchium californicum Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1100 Sonoma Fort Ross State Park. Comment
  CAS-BOT-BC164421  Solanum Peter Rubtzoff 1969-8-29 6174 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  CAS-BOT-BC164701  Solanum Peter Rubtzoff 1953-11-1 1433 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC166702  Solanum Peter Rubtzoff 1974-10-20 7939 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164413  Solanum Peter Rubtzoff 1965-9-11 5649 Sonoma Russian River margin at Forest Hills, 5.5 miles east of Guerneville. Comment
  CDA5905  Solanum carolinense T. C. Fuller 1967-9-12 16360 Sonoma 1605 Laguna Road, Sebastopol . 0 Comment
  UC914097  Solanum physalifolium var. nitidibaccatum Herbert A. Thomas 1935-11-23 Sonoma Burbank Farm Comment
  CAS-BOT-BC156445  Solanum umbelliferum E. I. Applegate 1934-3-25 8854 Sonoma Pine Flat, west slope of the Mayacama range of mountains Comment
  CAS-BOT-BC344874  Solidago Peter Rubtzoff 1961-9-6 4745 Sonoma 2 miles northeast of Freestone. Comment
  CAS-BOT-BC365582  Solidago elongata Walter Knight; Irja Knight 1963-9-10 247 Sonoma Corner San Antonio Rd & D St. Ext. Comment
  SEINET11808075  Solidago occidentalis W. Knight, Wagnon, K. 1987-1 s.n. Sonoma Willow Brook on embankment between Corona Rd & Old Redwood Hwy 6 Comment
  CAS-BOT-BC365660  Solidago spathulata L. R. Abrams 1920-7-3 7608 Sonoma Near Stewarts Point Comment
  RSA20120  Solidago spathulata Roxana S. Ferris 1937-8-19 9378 Sonoma 1.5 miles north of Fort Ross on State Highway 1. Comment
  SBBG33688  Solidago spathulata T. L. Secrest 1948-7-7 Sonoma coast, Sonoma County [no specific locality] Comment
  CAS-BOT-BC365261  Solidago velutina subsp. californica Alice Eastwood 1915-6-29 4804 Sonoma Bodega Point Comment
  CAS-BOT-BC365257  Solidago velutina subsp. californica unspecified 1898-8-1 s.n. Sonoma San Raphael [Rafael] 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-BC173670  Soliva sessilis Peter Rubtzoff 1963-5-26 5137 Sonoma Bennett Mountain Lake. Comment
  UCD148378  Sonchus Peter Rubtzoff 1955-9-24 2153 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC374742  Sonchus oleraceus Walter Knight; Irja Knight 1963-10-3 357 Sonoma Crane Canyon Comment
  UC1224629  Spartium junceum J. H. Thomas 1964-6-28 10439 Sonoma near Petrified Forest between Calistoga and Santa Rosa Comment
  UC972189  Spergula arvensis subsp. arvensis Milo S. Baker 1952-4-23 12404 Sonoma western outskirts Sonoma (e. side of 5th. St. between Bettencourt & McArthur) Comment
  CAS-BOT-BC390517  Spergularia macrotheca var. macrotheca Alice Eastwood 1921-5-8 10456 Sonoma Petaluma Comment
  CAS-BOT-BC534886  Spirodela polyrhiza Peter Rubtzoff 1951-9-2 704 Sonoma Northern half of Lower Marsh, in the open, in water Comment
  RSA179722  Stachys ajugoides J. T. Howell 1930-6-8 5228 Sonoma Bodega Road, 4 miles east of Valley Ford. Comment
  UC635186  Stachys chamissonis H. L. Mason June 1930 5652 Sonoma mouth Gualala River Comment
  SEINET12332456  Stachys rigida subsp. quercetorum F. H. Utech 1988-1 88 -222 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1, mile marker 29.90 100 Comment
  RSA0062827  Stachys stricta Greg de Nevers 1993-8-8 10485 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  UC25954 Image available Stachys stricta J. Burtt Davy 1894-6-18 Sonoma Knight's Valley; ; Knight's Valley, Sonoma Co. Comment
  CAS-BOT-BC374797  Stebbinsoseris heterocarpa Alice Eastwood 1921-5-8 10457 Sonoma Petaluma Comment
  UC1057441  Stellaria media G. Thomas Robbins 1937-3-27 46 Sonoma Santa Rosa Comment
  CAS-BOT-BC397765  Stellaria media Alice S. M. McKenzie 1981-2-23 22 Sonoma Coast between Russian and Gualala Rivers; Calif. State Hwy 1 at Kolmer Gulch. Comment
  CAS-BOT-BC397768  Stellaria media G. DeNevers 1981-3-30 582 Sonoma Pepperwood Ranch; Garrison House Comment
  HSC4274  Stellaria media F. Demostene 1966-4-2 10 Sonoma 2 mi. E of Healdsburg Comment
  CAS-BOT-BC376297  Stephanomeria Greg de Nevers 1992-8-9 10241 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Valley Road 304 Comment
  JEPS36888  Stephanomeria virgata subsp. pleurocarpa W. L. Jepson 1938-10-1 19047 Sonoma s slope of Mt. St. Helena (half-way to pass) Comment
  SEINET10508398 Image available Stipa pulchra A. Arthur Heller 1902-4-9 Heller 5252 Sonoma In a railroad cut three miles S of Healdsburg Comment
  UC1492715  Streptanthus barbiger Freed W. Hoffman 1948-6-1 2334 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  CAS-BOT-BC61218  Streptanthus brachiatus Lawrence F. LaPre; Kelly Campbell 1987-7-2 s.n. Sonoma Along Cadd Fire Trail near transmission line tower, 1.5 air miles west of Socrates Mine, near Lake County Line. Comment
  JEPS128292  Streptanthus glandulosus subsp. hoffmanii Roger Raiche 2009-4-30 030 .09 Sonoma The Cedars. Lower Russian River, East Austin Creek watershed. Comment
  CAS-BOT-BC87302  Streptanthus glandulosus subsp. sonomensis G. DeNevers 1981-6-15 1512 Sonoma Pepperwood Ranch. 1st road cut on Franz Valley Road. Comment
  SEINET11998403  Streptanthus glandulosus var. sonomensis Unknown 1986-1 60156 Sonoma W of Healdsburg, Palmer Creek drainage (tributary of Mill Creek) 427 Comment
  UCD167451  Streptanthus morrisonii James Neilson 1983-6-13 4099 Sonoma East Austin Creek. (On the same date Neilson was in the upper reaches of East Austin Creek. Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA799983  Symphoricarpos Peter Rubtzoff 1961-9-6 4735 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  UCD166489  Symphoricarpos Peter Rubtzoff 1958-7-19 3760 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC540812  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  CAS-BOT-BC269628  Symphoricarpos albus var. laevigatus Barbara Stuart Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  CAS-BOT-BC97834  Symphyotrichum chilense Walter Knight; Irja Knight 1984-9-26 5236 Sonoma 5.9 mi. up Cavevale Rd. Comment
  CAS-BOT-BC98566  Symphyotrichum lentum F. G. Krauss 1893-10-8 s.n. Sonoma Mountains, Krauss Ranch Comment
  CAS-BOT-BC98567  Symphyotrichum lentum Peter Rubtzoff 1958-8-16 3863 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Rd.) - Sonoma County Marshes Comment
  CDA5450  Taeniatherum caput-medusae D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .278 Sonoma Cavedale Rd. Comment
  SEINET10575096  Tamarix parviflora John F. Gaskin 1998-7-2 Gaskin 78 Sonoma Hyde and Pearson Road, E 150 yds to corner. Comment
  CHSC1158  Taraxia ovata V. Holt 1935-3-24 Sonoma Near Petaluma. Comment
  CAS-BOT-BC447464  Tellima grandiflora A. A. Heller 1903-4-23 6612 Sonoma Fort Ross Comment
  CAS-BOT-BC447463  Tellima grandiflora Peter Rubtzoff 1957-5-4 3314 Sonoma Duncans Mills Marsh area. Edge of redwood forest bordering the Marsh in the west. Comment
  UCD102952  Tellima grandiflora Linda A. Bell 1975-5-18 155 Sonoma State Hwy 116, 3 miles west of Guernville. 21 Comment
  CDA24367  Thalictrum fendleri var. polycarpum Sherrald 1929-5-3 Sonoma 0 Comment
  UCSB2086  Thalictrum fendleri var. polycarpum Keator, Glenn 1959-3-31 Sonoma At northern city limits of Occidental on Occidental-Monterio highway Comment
  CAS-BOT-BC366875  Thalictrum polycarpum Greg de Nevers 1998-4-27 11201 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  CDA27876  Thermopsis californica var. californica T. C. Fuller 1958-5-24 3993 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  POM196178  Thermopsis californica var. californica Emma Hawkins 1929-3-10 s.n. Sonoma Coast Ranges Comment
  SD254581  Thysanocarpus curvipes Ann Howald 2015-4-1 3334 Sonoma North Coast Ranges; Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage (Tombs Creek 7.5'Q) 294 Comment
  UC147268  Thysanocarpus curvipes Milo S. Baker 1903-3-20 Sonoma Sonoma Cr. Canyon Comment
  UC857532  Thysanocarpus curvipes L. Koch 1938-3-24 65 Sonoma near Kenwood (Los Alamos Canyon (near the quarry)); Los Alamos Canyon, near Kenwood Comment
  CAS-BOT-BC66811  Thysanocarpus curvipes Karl H. Rechinger; J. T. Howell 1953-4-12 s.n. Sonoma Hills north of Sonoma. Comment
  UC11054  Thysanocarpus radians W. H. Brewer 1862-4-18 967 Sonoma near Sonoma Comment
  RSA0041644  Thysanocarpus radians Lewis S. Rose 1949-4-6 49026 Sonoma Western outskirts of Sonoma. 29 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
  UC496421  Tiarella trifoliata var. unifoliata Merle Randall 1930-6-11 Sonoma Cazadero Comment
  CAS-BOT-BC376216  Tolpis barbata Greg de Nevers 1995-5-20 10730 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  JEPS54955  Tonella tenella Harry K. Roberts 1968-4-6 Sonoma 1.5 air mi nne Rio Nido (1 mi ne of Sonoma Mercury Mine, n side of Mt Jackson, on road to lookout); Mt. Jackson 320 Comment
  CDA16158  Torilis arvensis G. F. Hrusa, R. Gross 1999-6-12 15077 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
  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
  UCD166313  Torilis arvensis Peter Rubtzoff 1967-7-2 5844 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC81460  Torreya californica Peter H. Raven 1954-2-27 6431 Sonoma Hooker Creek, Hoods Peak Range 457 Comment
  HSC39062  Torreya californica Gary S. Lester 1974-2-9 67 Sonoma Sugarloaf State Park, bottoms campground 518 Comment
  UC139953  Torreya californica Alice Eastwood 1900-9-9 Sonoma Mt. St. Helena Comment
  UCD135176  Torreya californica Lalit M. Srivastava 1957-11-1 22 Sonoma At side of State Highway 1, ca. 100 yards south of Fort Ross. 30 Comment
  CAS-BOT-BC169261  Toxicodendron diversilobum Alice Eastwood 1922-5-4 11256 Sonoma Calistoga Comment
  RSA135372  Trichostema lanceolatum Volney Rattan 1877-6-25 s.n. Sonoma Cloverdale. Comment
  UC76182  Trichostema laxum Miss M. Alice King Sep 1896 Sonoma near Healdsburg Comment
  POM188235  Trichostema laxum Marcus E. Jones 1931-7-5 28816 Sonoma Geysers Comment
  UCD117574  Trientalis latifolia Charles B. Heiser Jr. 1946-5-19 1759 Sonoma Russian River near Duncan Mills. Comment
  CAS-BOT-BC173533  Trifolium Peter Rubtzoff 1974-5-19 7440 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC173630  Trifolium Peter Rubtzoff 1974-5-18 7429 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC210048  Trifolium Peter Rubtzoff 1974-5-18 7432 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  OBI12720  Trifolium amoenum Robert F. Hoover 1969-1 Sonoma 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
  JEPS65920  Trifolium barbigerum var. andrewsii V. Blackney April 1929 Sonoma betw Trenton and Mark West Mt. Oliver School; Santa Rosa Comment
  UCD151095  Trifolium bifidum var. decipiens James A. Neilson Jr. 1973-6-3 2989 Sonoma Mayacmas Mountains. The Geysers. Site I. In Geyser Canyon. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  JEPS2903 Image available Trifolium columbinum var. argillorum W. L. Jepson 1893-5-3 13740 Sonoma Mt. St. Helena grade Napa River Basin; Napa River Basin, Mt. St. Helena grade Comment
  UCSC005301  Trifolium depauperatum Randall Morgan 1995-5-18 2627 Sonoma Windsor, Shiloh Road, west of Skylane Comment
  UC631218  Trifolium depauperatum var. amplectens P. B. Kennedy 1915-5-28 Sonoma Del Mar Comment
  UC1026471  Trifolium dubium Peter Rubtzoff 1951-7-14 439 Sonoma near Forestville (s half of lower marsh, near hwy); Pitkin Marsh Comment
  RSA94341  Trifolium dubium Peter Rubtzoff 1951-7-14 461 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  UCR254855  Trifolium fragiferum Greg de Nevers 1995-6-16 10755 Sonoma Knights Valley Marsh on Bavarian Lion Ranch 197 Comment
  CHSC90392  Trifolium fucatum Elizabeth L. Knight 1988-4-1 6 Sonoma Ca. .25 m ene of southernmost point of Bodega Head and 100 ft n of Pacific Ocean. 15 Comment
  SEINET12166390  Trifolium glomeratum H. K. Wagnon 1989-1 1886 Sonoma Adjacent to Fort Ross School's reservoir- Timber Cove 122 Comment
  UCD165154  Trifolium gracilentum Peter Rubtzoff 1974-5-18 7429 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  JEPS46058  Trifolium gracilentum var. gracilentum Eleanor Armstrong 1933-4-15 714 Sonoma Bodega Hill 18 Comment
  UCD109772  Trifolium hirtum Frederica Bowcutt 1996-5-19 2122 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. Lower Bald Mountain trail. 426 Comment
  UCD165133  Trifolium hydrophilum Peter Rubtzoff 1974-5-11 7403 Sonoma Laguna de Santa Rosa east of Sebastopol (south of Hwy. 12 crossing). Comment
  JEPS128259  Trifolium microcephalum Roger Raiche 2000-4-20 040 .00 Sonoma The Cedars. Gateway Parcel at Christi Camp. Lower Russian River, Big Austin Creek watershed. Comment
  UCD165171  Trifolium microcephalum Peter Rubtzoff 1974-6-2 7510 Sonoma Upper Green Valley Marsh. Comment
  UC16646  Trifolium microdon Harley P. Chandler 1900-5-25 682 Sonoma Bodega Comment
  UCD165155  Trifolium microdon Peter Rubtzoff 1974-5-18 7430 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UC424855  Trifolium obtusiflorum Milo S. Baker 1929-7-10 3520 a Sonoma just n Santa Rosa (ditch along hwy) Comment
  UCD109429  Trifolium variegatum R. Tofsrud 1951-5-20 s.n. Sonoma Huichica School near Sonoma. Comment
  UCD165165  Trifolium variegatum Peter Rubtzoff 1974-5-26 7485 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UC631368  Trifolium variegatum var. melananthum P. B. Kennedy June 1915 532 Sonoma Del Mar Comment
  UC165494  Trifolium willdenovii Milo S. Baker 1898-4-26 693 Sonoma Santa Rosa Creek Canyon Comment
  RSA13534  Trifolium willdenovii H. E. Parks 1930-5-9 621 Sonoma Alexander Valley. Comment
  UC535099  Trifolium willdenovii H. E. Parks 1930-5-9 621 Sonoma edge of Alexander Valley Comment
  UC1057464  Trifolium wormskioldii G. Thomas Robbins 1937-5-23 197 Sonoma ca 10 mi w Santa Rosa (Pitkin Ranch); Vine Hill region Comment
  UC1364376  Trillium albidum J. D. Freeman with R. F. Freeman 1967-5-6 574 Sonoma w. of Geyserville (at confluence of 2 ravines on Skaggs Springs Rd. ca. 10 mi. w. of its jct. with Dry Creek Rd.) Comment
  SEINET12051398  Trillium albidum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -229 Sonoma W of Glen Ellen & CA 12, ca 0.1 mi W on Sonoma Mt. Road from Bennett Valley Road along Graham Creek 75 Comment
  UCR5896  Trillium chloropetalum Sue Freeman 1966-4-8 s.n. Sonoma San Francisco Bay region, Sebastopol, residence on 692 Sparks Road 73 Comment
  UC27176  Triphysaria eriantha subsp. eriantha W. A. Setchell 1898-3-15 Sonoma Cloverdale Comment
  SBBG7055  Triphysaria versicolor subsp. faucibarbata H. and M. Dearing 1939-5-14 3251 Sonoma Russian River near coast Comment
  SEINET13748176  Triphysaria versicolor subsp. faucibarbata W. Roderick 1967-5-6 s. n. Sonoma East edge of Petaluma 8 Comment
  CAS-BOT-BC200105  Trisetum canescens Peter Rubtzoff 1952-6-10 1203 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC200108  Trisetum canescens K. Wagnon 1939-5-14 202 Sonoma In Wagnon's rock quarry 5 mi. west of Sebastopol Comment
  RSA129122  Trisetum canescens H. S. Yates 1936-5-16 5609 Sonoma 1 mile NE of Mountain View School. 91 Comment
  UC651086  Trisetum canescens P. B. Kennedy June 1915 Sonoma Del Mar; n Sonoma County Comment
  UCD148402  Trisetum canescens Peter Rubtzoff 1958-5-30 3683 Sonoma Duncans Mills Marsh. Comment
  UCD93507  Trisetum canescens Beecher Crampton 1957-7-11 4310 Sonoma Along State Hwy. 1, 1.25 miles SE of Bodega Bay. Comment
  UCD93600  Trisetum canescens P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UCD15865  Trisetum canescens Botany 102 Students 1993-3 9 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. Across road from Goodspeed trailhed pullout. 228 Comment
  CAS-BOT-BC522359  Triteleia hyacinthina Peter Rubtzoff 1974-5-19 7447 Sonoma Todd Road 1.4 mile from Hwy. 116 and 0.6 mile from Llano Road Comment
  UC72474  Triteleia laxa Milo S. Baker 1904-6-19 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC527035  Triteleia laxa Dorothy Scherer 1997-5-6 125 Sonoma Along path heading north off Fort Ross Road, ca. .6 mile west of Seaview Road, Fort Ross State Historic Park 365 Comment
  CAS-BOT-BC527038  Triteleia laxa Barbara Dous 1907-7-12 s.n. Sonoma Sebastopol Comment
  CLARK-A1528-1521  Triteleia laxa John C. Roos 1950-7-22 4866 Sonoma Jenner Comment
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  SBBG14877  Triteleia laxa A. I. Richardson 1961-6-16 19 Sonoma Sweetwater Springs Rd, 1 mi beyond turn to Armstrong Redwood State Park, N of Gurneville Comment
  CAS-BOT-BC527965  Triteleia peduncularis Greg de Nevers 1987-5-11 s. n. Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  UC3330  Triteleia peduncularis Harley P. Chandler 1900-5-25 676 Sonoma Bodega Comment
  CAS-BOT-BC527968  Triteleia peduncularis John Thomas Howell 1935-5-5 12606 Sonoma Low Field near Kenwood Comment
  CAS-BOT-BC527975  Triteleia peduncularis Peter Rubtzoff 1964-6-20 5363 Sonoma Laguna de Santa Rosa southwest of Sabastopol (nr. Cooper Rd.) Comment
  CAS-BOT-BC527978  Triteleia peduncularis Peter Rubtzoff 1962-6-19 4924 Sonoma Occidental Marsh Comment
  RSA540052  Typha latifolia Peter Rubtzoff 1964-8-20 5459 Sonoma Americano Creek area. On Petaluma-Valley Ford Road near Bloomfield. Comment
  UCD137872  Umbellularia californica C. Winstrom 1996-5-26 30 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  UCD111537  Urtica dioica subsp. gracilis P. G. Connors 1991-7-2 191 Sonoma Bodega Head and Dunes. Near Bodega Harbor, on Bodega Head. Comment
  CAS-BOT-BC404221  Urtica dioica subsp. holosericea A. A. Heller 1902-6-24 5759 Sonoma Near Burke's Sanitarium Comment
  UCR105446  Urtica dioica subsp. holosericea Peter Rubtzoff 1973-9-9 7311 Sonoma Kenwood Marsh 120 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
  UC877173  Vaccinium cespitosum Milo S. Baker 1940-1 9670 Sonoma Gravenstein Highway Perrys Marsh Comment
  CDA19730  Vaccinium ovatum H. R. Leach 1950-9-24 s.n. Sonoma Northern California; Russian River. 0 Comment
  RSA240623  Vaccinium ovatum C. W. Tilforth, John Dourley 1973-7-18 907 Sonoma Occidental Rd. between Molino and Occidental, n.w. of Sebastopol. Comment
  UC912416  Vaccinium parvifolium Herbert L. Mason 1928-7-11 4892 Sonoma 2 miles north of Fort Ross Comment
  CAS-BOT-BC311856  Verbascum Peter Rubtzoff 1968-6-19 5891 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  CDA41760  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15680 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Sheet 1 of 2. Comment
  UC1125682  Verbascum thapsus E. Armstrong 1934-3-26 911 Sonoma 2 mi n Camp Meeker; Sebastopol Quad., n of Camp Meeker 91 Comment
  JEPS58976  Verbascum virgatum Pat Watters and Walter Knight 1963-7-19 Sonoma Gravenstein Highway intersection with US 101 Freeway Cotati (Cotati) Comment
  RSA0051267  Verbena Greg de Nevers 1992-7-25 10227 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 152 Comment
  CAS-BOT-BC157661  Veronica Peter Rubtzoff 1960-5-20 4397 Sonoma Laguna de Santa Rosa east of Graton (betw. Occidental and Guerneville roads). Comment
  CAS-BOT-BC157680  Veronica Peter Rubtzoff 1959-4-18 4025 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of the Guerneville road crossing. Comment
  CAS-BOT-BC166927  Veronica Peter Rubtzoff 1969-6-14 6082 Sonoma Vernal pool 6.5 mi. northeast of Penngrove on Lichau Road. 426 Comment
  CAS-BOT-BC269309  Veronica Peter Rubtzoff 1971-5-8 6447 Sonoma Pitkin Marsh, near Forestville. Western border of the marsh near end of Templeman Road. Comment
  CAS-BOT-BC166750  Veronica americana Peter Rubtzoff 1960-5-22 4409 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC176144  Veronica americana Peter Rubtzoff 1960-6-9 4482 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC182754  Veronica americana Peter Rubtzoff 1958-6-1 3693 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  RSA169299  Veronica americana L. S. Rose 1964-6-3 64050 Sonoma N end of Bodega Bay. 2 Comment
  RSA783732  Veronica americana Peter Rubtzoff 1960-5-22 4409 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville Roads.) Comment
  RSA786485  Veronica americana Peter Rubtzoff 1954-8-13 1711 Sonoma Bodega Head Marsh. Comment
  UCD124755  Veronica persica Robert F. Thorne 1965-4-19 34269 Sonoma Titus Ranch at Valley Ford. 18 Comment
  CAS-BOT-BC269313  Veronica scutellata Peter Rubtzoff 1972-6-24 6788 Sonoma Atascadero Creek Marsh. Comment
  RSA94259  Veronica scutellata Peter Rubtzoff 1951-6-16 233 Sonoma Lower part of the upper marsh. Comment
  JEPS66188  Vicia pannonica Milo S. Baker May 1931 5162 Sonoma Rincon School Rincon Valley (Rincon Valley, in Austin's field just n of highway) Comment
  UCR254854  Vicia tetrasperma Greg de Nevers 1993-7-4 10471 Sonoma Willow Creek drainage downhill from 18375 Willow Creek Road [Occidental] 244 Comment
  UC1761618  Viola adunca Helen Von Grafen 1927-4-18 Sonoma Cotati Comment
  UC1742214  Viola floridana Milo S. Baker 1937-1 Sonoma Brookside Garden Comment
  CAS-BOT-BC536909  Viola glabella Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  UC1761570  Viola glabella Helen Von Grafen 1927-4-2 Sonoma Mill Creek Comment
  UC1763481  Viola lobata Milo S. Baker May 1899 Sonoma Stewarts canyon Comment
  UC1762485  Viola lobata subsp. lobata Milo S. Baker 1942-6-11 10206 Sonoma Spring Mt. Rd. near summit 45 Comment
  JEPS50443  Viola ocellata Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  UC1761433  Viola ocellata Milo S. Baker 1906-4 955 Sonoma Adobe Canyon near bridge Comment
  UC1761634  Viola pedunculata Miss Bumbaugh 1898-3-15 Sonoma near Sebastopol Comment
  UC455410  Viola sempervirens I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UC75664  Viola sempervirens Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  RSA40694  Viola sempervirens I. L. Wiggins 1948-3-21 11616 Sonoma Western margin of Kruse Rhododendron State Park. Comment
  CAS-BOT-BC135289  Viscum album Stanley Rose 1966-1-2 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  OBI5335  Viscum album C. W. Nichols & W. O. McCartney, W. O. McCartney 1966-1-17 s.n. Sonoma Backyard of 1220 Gravenstein hwy N at Ill Station rd, 1 mi N of Sebastopol Comment
  SEINET12230244  Viscum album W. O. McCartney 1966-1 s.n. Sonoma NW corner of Mill Station Road and Gravestein North Highway, Sebastopol 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
  UCR159966  Viscum album subsp. album C. W. Nichols, William McCartney 1966-1-17 s.n. Sonoma Backyard of property at 1220 Gravenstein Hwy N at Mills Station Rd, 1 mi N of Sebastopol 55 Comment
  CAS-BOT-BC203136  Vitis californica W. W. Carruth 1900-7-1 s.n. Sonoma Near Healdsburg Comment
  CAS-BOT-BC385036  Vitis californica L. R. Abrams 1922-6-21 8099 Sonoma Healdsburg to Cloverdale Comment
  OBI2920  Vitis californica Lewis S. Rose 1968-6-25 68115 Sonoma Rincon Ridge, NE of Santa Rosas 122 Comment
  POM127692  Vitis californica L. R. Abrams 1922-6-21 8099 Sonoma Healdsburg to Cloverdale. Comment
  UC18631  Vitis californica H. N. Bolander June, 1867 Sonoma Cloverdale Russian River (banks of river) Comment
  UC552472  Vitis californica Professor J. T. Barrett 1936-6-19 Sonoma above Guerneville; Russian River Comment
  UCD58730  Vitis californica Eric Wada 2006-9-3 RR 5 Sonoma Just east of Monte Rio on SR116 17 Comment
  CAS-BOT-BC385058  Vitis californica G. de Nevers 1981-6-4 1434 Sonoma Pepperwood Ranch, by bridge south of the green gate Comment
  OBI75822  Vitis vinifera David Burgess 1967-11-25 13 Sonoma 6 mi NE of Santa Rosa Comment
  UC1023600  Vulpia Virginia Bufford 1936-5-1 177 Sonoma 2 mi above Duncan's Mill Comment
  CAS-BOT-BC199900  Vulpia bromoides John Thomas Howell 1947-6-26 23314 Sonoma Cunningham Marsh Comment
  RSA123467  Vulpia bromoides H. S. Yates 1937-6-6 6585 Sonoma 3 miles east of Jenner. 61 Comment
  SEINET5427986  Vulpia microstachys L. Koch 1940-4-22 835 Sonoma At Geysers in Sulfur Creek Canyon Comment
  CAS-BOT-BC199970  Vulpia microstachys var. ciliata John Thomas Howell 1948-4-18 24205 Sonoma Hills east of Aqua Caliente Comment
  UC933823  Vulpia microstachys var. ciliata Leo Koch 1940-4-22 824 a Sonoma Geyers; Sulphur Creek Canyon Comment
  POM206212  Vulpia myuros A. A. Heller 1902-4-4 5221 Sonoma Hills near Santa Rosa. Comment
  UCD138883  Watsonia meriana Frederica Bowcutt 1984-6-24 461 Sonoma Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg. Old home site next to existing barn just off park road. Northwest of Gerstle Cove. 22 Comment
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