Search Results — 2000 specimen records retrieved (1280 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78075  Abies grandis Walter Knight; Irja Knight 1964-2-27 538 Sonoma Valley Crossing Comment
  CAS-BOT-BC78076  Abies grandis Walter Knight; Irja Knight 1984-8-18 5018 Sonoma Gualala Point Regional Park over-looking Gualala River Comment
  UCD109792  Abronia latifolia Steven Yoder 1969-5-24 28 Sonoma 1 mile north of Marine Lab at Bodega Bay. 7 Comment
  UCD109803  Abronia umbellata Ann F. Johnson 1979-6-19 s.n. Sonoma Bodega Dunes State Park. Comment
  UCD117035  Acer macrophyllum Loredo-Prendeville; Canon 1993-4-24 53 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Road at confluence of Sonoma and Bear Creeks. 195 Comment
  CAS-BOT-BC336941  Acer negundo var. californicum Peter Rubtzoff 1970-8-31 6347 Sonoma In thicket along sandy bank of Russian River at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC336944  Acer negundo var. californicum Peter Rubtzoff 1951-9-2 715 Sonoma Pitkin Marsh near Forestville, south of Upper Marsh Comment
  HSC2827  Acer negundo var. californicum Martha Meagher 1947-3-22 98 Sonoma Co. rd. 0.5 mi. W of Freezeout Creek across Russian River from Duncan's Mills Comment
  CAS-BOT-BC30085  Achillea millefolium Alice Eastwood 1915-6-29 4805 Sonoma Bodega Point Comment
  UCD128374  Achillea millefolium Terri Williamson 1990-5-20 50 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  RSA176496  Achillea millefolium var. arenicola Roxana S. Ferris 1932-5-27 8254 Sonoma Bodega Bay. Comment
  UCR23388  Achlys californica John C. Roos 1957-7-2 6646 Sonoma Miller Ridge Comment
  CAS-BOT-BC26655  Acmispon aestivalis Amos Arthur Heller 1902-8-18 6051 Sonoma Santa Rosa Comment
  SD56752  Acmispon americanus Darley F. Howe 1963-7-2 Sonoma 0.9 mile north of junction with Highway 12 on Highway 1. Comment
  UCD104065  Acmispon brachycarpus Freed W. Hoffman 1946-9-26 561 Sonoma Layton Mine, Austin Creek. Comment
  OBI12974  Acmispon glaber var. glaber Robert F. Hoover 1964-9-8 9288 Sonoma Timber cove Comment
  UCD104338  Acmispon parviflorus R. Tofsrud 1951-5-20 s.n. Sonoma Dunbar School near Kenwood. Comment
  CAS-BOT-BC29849  Adenocaulon bicolor Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC29844  Adenocaulon bicolor J. W. Congdon 1880-7-4 s.n. Sonoma unspecified Comment
  SEINET10614483  Adenocaulon bicolor David B. Dunn, Melvin L. Conrad; Katherine L. Morris 1973-6-9 Dunn 20704 A Sonoma 2 mi NW of Forestville on Hwy. 116, Douglas Fir forest with some oaks. Comment
  HSC949  Adiantum aleuticum F. Demostene 1966-4-8 37 Sonoma 25 mi. W of Healdsburg Comment
  JEPS128359  Adiantum jordanii Roger Raiche 2000-3-11 003 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1201284  Adiantum jordanii E. Samuels 230 Sonoma Comment
  CAS-BOT-BC368050  Aegilops triuncialis Greg de Nevers 1989-6-8 9074 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CHSC8156  Agoseris apargioides M. Banning 1969-5-10 116 Sonoma 2 mi N. Bodega Bay on Hwy 1, roadside. 30 Comment
  SD40007  Agoseris apargioides Edith A. Purer 1932-7-24 Sonoma Near Bodega Bay. Comment
  CAS-BOT-BC22788  Agoseris heterophylla G. DeNevers 1981-4-25 829 Sonoma Pepperwood Ranch, lower Pepperwood entrance Comment
  CAS-BOT-BC13168  Agoseris hirsuta Alice Eastwood 1915-6-29 4846 Sonoma Bodega Point Comment
  JEPS36308  Agoseris hirsuta W. L. Jepson 1896-6-2 Sonoma Bodega Bay Comment
  CAS-BOT-BC166700  Agrostis Peter Rubtzoff 1974-5-25 7453 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC376368  Agrostis Greg de Nevers 1992-6-26 10201 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 91 Comment
  RSA785750  Agrostis Peter Rubtzoff 1967-8-22 5857 Sonoma SE of Lower Salmon Creek Marsh Comment
  RSA785931  Agrostis Peter Rubtzoff 1973-7-24 7195 Sonoma Upper Green Valley Marsh. Comment
  UCD51832  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  UCD51833  Agrostis blasdalei Beecher Crampton 1971-6-6 8718 Sonoma Sonoma Coast State Park; at Cramet. Comment
  UC1153786  Agrostis densiflora Beecher Crampton 1957-7-11 4344 Sonoma sandy slopes above bluffs (4.6 mi n of Salmon Creek); Sonoma Coast State Park, Duncan's Point Comment
  UCD51897  Agrostis densiflora Beecher Crampton 1957-7-11 4339 Sonoma Sonoma Coast State Park, 2.5 miles north of Salmon Creek, just south of Portugese Beach. Comment
  UC53476  Agrostis exarata Jos. Burtt Davy Jul 1896 Sonoma Russian River Comment
  UCD36636  Agrostis exarata Beecher Crampton 1955-6-8 2830 Sonoma Sonoma County, at Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  UCD53510  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC139555  Agrostis gigantea Peter Rubtzoff 1951-7-21 508 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower Marshes. Comment
  SEINET11690139  Agrostis gigantea M. P. Wells 1985-1 585 Sonoma Ducker Creek, Rincor Valley, Santa Rosa Comment
  HSC9996  Agrostis microphylla Leo Koch 1940-4-22 837 Sonoma Above Sulfur Creek Geysers. Comment
  UC1112778  Agrostis microphylla Leo Whitney 1935-4-14 2258 b Sonoma near Occidental (Blunden's Pasture); Blunden's Pasture Comment
  UCD33495  Agrostis microphylla Beecher Crampton 1969-7-14 8494 Sonoma Sonoma County, The Geysers, 12 miles (direct line) east of Colverdale. 493 Comment
  UCD53076  Agrostis pallens R. Tofsrud 1941-7-1 128 Sonoma Parker Hill, Santa Rosa. Comment
  UCD53097  Agrostis pallens P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa. Petrified forest road. Comment
  SD34475  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Sonoma County coast, 5 miles south of Steward Point, coastal bluffs. Comment
  UC1023593  Agrostis stolonifera Virginia Bufford 1936-5-22 399 Sonoma 4 mi n Stewarts Point (Hwy 1) Comment
  UCD53458  Agrostis stolonifera P. B. Kennedy 1917-8-27 s.n. Sonoma Del Mar. Comment
  UC50680  Aira Michener and Bioletti May 1892 Sonoma S. Los Guilicos Comment
  CAS-BOT-BC138216  Aira caryophyllea var. caryophyllea John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53959 Sonoma Fairfiled Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  CAS-BOT-BC138217  Aira caryophyllea var. caryophyllea Alice Eastwood 1915-6-29 s.n. Sonoma Bodega Point. Comment
  UC1023613  Aira praecox Virginia Bufford 1935-5-19 54 Sonoma Portugese Beach; n end, coming up cliff Comment
  SEINET11689067  Aira praecox H. K. Wagnon 1989-1 1873 Sonoma Salt Pt. State Park 0 Comment
  UCD163994  Alisma Peter Rubtzoff 1977-8-12 9114 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC445346  Alisma lanceolatum Peter Rubtzoff 1955-8-27 2105 Sonoma East Guernewood, near Guerneville. Comment
  CAS-BOT-BC445347  Alisma lanceolatum Peter Rubtzoff 1962-9-9 5074 Sonoma Duncans Mills Marsh. Comment
  RSA790062  Alisma lanceolatum Peter Rubtzoff 1976-5-30 8570 Sonoma Kenwood Marsh Comment
  UC455143  Alisma plantago-aquatica I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  CAS-BOT-BC156311  Alismataceae Peter Rubtzoff 1955-5-21 1880 Sonoma Ross Marsh Comment
  UCR256119  Allium Greg de Nevers 1993-5-17 10450 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 220 Comment
  CAS-BOT-BC462391  Allium amplectens Greg de Nevers 1997-5-3 10154 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC461068  Allium amplectens Alice Eastwood 1915-6-5 4607 Sonoma Petrified Forest Comment
  JEPS82409  Allium bolanderi Roger Raiche 1983-6-4 30374 Sonoma Sweetwater Springs Road 3.9 mi w West Side Highway (above Porter Creek, e of its intersection with John Gordon Creek, on s side of road); Porter Creek 121 Comment
  SEINET7067339  Allium parryi 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
  UCD160307  Allium unifolium James A. Neilson Jr. 1975-5-23 3207 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 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
  UCD166182  Alnus rubra Peter Rubtzoff 1969-7-21 6118 Sonoma Duncan Mills Marsh. Comment
  RSA129280  Alopecurus aequalis var. sonomensis H. S. Yates 1937-5-30 6555 Sonoma 1.5 miles E. of Occidental. 91 Comment
  RSA129282  Alopecurus aequalis var. sonomensis H. S. Yates 1936-5-16 5619 Sonoma Near Green Valley school. 91 Comment
  JEPS97562  Alopecurus saccatus R. D. Stone 1985-6-1 675 Sonoma Shiloh Ranch Mark West Springs (2.3 airmiles NE of intersection of Shiloh and Faught rds.; 0.6 airmiles WSW of); valley of sm. tributary in Mark West Creek drainage 259 Comment
  UCD33095  Alopecurus saccatus Beecher Crampton 1966-5-10 7726 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  CAS-BOT-BC257987  Amaranthus Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7846 Sonoma Southern area of Kenwood Marsh, ca. 0.5 miles south of Kenwood. Comment
  RSA799979  Amaranthus Peter Rubtzoff 1973-10-10 7345 Sonoma American Creek area, 2 mi west of Bloomfield. Comment
  UCD164984  Amaranthus Peter Rubtzoff; Nancy Harrison, Ruth Hass, Charles Quibell 1974-8-31 7846 Sonoma Southern area of Kenwood Marsh, ca. 0.5 miles south of Kenwood. Comment
  RSA234563  Amaranthus californicus Peter Rubtzoff 1963-8-24 5240 Sonoma Laguna de Santa Rosa east of Graton Comment
  SD39979  Ambrosia chamissonis Edith A. Purer 1932-7-16 4030 Sonoma Bodega Bay, sandy bluff Comment
  UC29417  Ambrosia psilostachya J. Burtt Davy Oct 1 1896-Jan 1 1900 2852 Sonoma Sonoma Comment
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Nov 13 2016
  POM141359  Amelanchier pallida A. A. Heller 1903-4-24 6617 Sonoma Woods near Cazadero. Comment
  RSA790996  Ammannia Peter Rubtzoff 1972-8-26 6860 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC154124  Ammannia coccinea Peter Rubtzoff 1956-9-16 2922 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  UCD148462  Ammannia robusta Peter Rubtzoff 1963-8-24 5238 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  JEPS13275  Ammi majus Rimo Bacigalupi with G. T. Robbins 1955-7-14 5294 Sonoma 5.3 mi. s. (El Verano junction is 1 mi. w. of Schellville) El Verano junction (along CA State Hwy. 37) 3 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-BC222278  Amsinckia John Thomas Howell 1934-3-25 11777 Sonoma Lakeville Comment
  POM71550  Amsinckia intermedia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  SBBG21166  Amsinckia spectabilis V. Haraden 1941-7-13 5 Sonoma Bodega Bay 15 Comment
  CAS-BOT-BC26970  Amsinckia viridifolia Alice Eastwood 1921-5-8 10484 Sonoma Petaluma Comment
  RSA0079932  Anemone oregana Greg de Nevers 1997-2-28 10902 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. West of Tower-in-Saddle, along fence line downhill from gate to Shurtleff property. 100 Comment
  UC640633  Angelica californica Alice Eastwood, John Thomas Howell 1938-7-6 6084 Sonoma Alder Glen Springs Comment
  UC174201  Angelica hendersonii Katharine Brandegee June 1905 Sonoma Bodega Comment
  CAS-BOT-BC221434  Angelica hendersonii David D. Keck; J. Clausen 1935-7-15 3373 Sonoma 1 mi. north of Salmon Creek Comment
  OBI9030  Angelica hendersonii Tracey Call, Viola Call 1961-6-10 2071 Sonoma 1 mi north of the Kruse Rhododendron State Park Comment
  UC174199  Angelica tomentosa Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  CAS-BOT-BC271438  Anisocarpus madioides C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  UCD128892  Anisocarpus madioides Botany 102 Students 1993-5-8 205 Sonoma Sugarloaf Ridge State Park, about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon. Comment
  CAS-BOT-BC173666  Anthemis cotula Peter Rubtzoff 1958-8-9 3834 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC173667  Anthemis cotula Peter Rubtzoff 1958-7-5 3735 Sonoma Atascadero Creek Marsh. Comment
  POM261545  Anthoxanthum aristatum Alice Eastwood, J. T. Howell 1936-5-19 2506 Sonoma 2 miles north of Windsor Comment
  UCD56154  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma along Highway 101, north of Windsor. Comment
  SEINET181008  Anthoxanthum occidentale E. Tucker 1936-4-5 15003 Sonoma Camp Meekee Comment
  CAS-BOT-BC280660  Anthoxanthum occidentale Catherine Best 1985-2-10 1064 Sonoma About .5 miles north of Occidental on the road parallel to the Bohemian Hwy. Comment
  CAS-BOT-BC137692  Anthoxanthum odoratum John H. Thomas 1976-6-16 18336 Sonoma Southern Part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC137693  Anthoxanthum odoratum John H. Thomas 1976-6-16 18340 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  JEPS78901  Anthoxanthum odoratum Edward Lee 1936-6-8 2224 Sonoma Bohemian Grove, grounds near entrance Bohemian Grove Comment
  UCD56277  Anthoxanthum odoratum Beecher Crampton 1957-7-22 4362 Sonoma 8 miles north of Stewart's Point, Bishop Pine grove along State Hwy. 1. Comment
  UC444972  Antirrhinum vexillocalyculatum subsp. breweri Joseph Burtt Davy and Walter C. Blasdale 1899-7-22 6010 Sonoma Cazadero Comment
  JEPS83375  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 328 Sonoma just w Hacienda (along River Road, on n side of road); Guerneville Quad. (7.5', 1955) 24 Comment
  UC1238996  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Freed W. Hoffman 1947-5-23 535 Sonoma near Guerneville (Gabe's Rock, Pool Ridge); North Coast Ranges, Pool Ridge, Gabe's Rock Comment
  POM14615  Antirrhinum virga Mcluner, Bioletti 1893-06 s.n. Sonoma Hood's Peak Comment
  CDA36839  Aphanes occidentalis 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
  RSA177922  Apiastrum angustifolium R. F. Thorne 1965-4-20 34370 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  CAS-BOT-BC395018  Aquilegia formosa Ella Dales Cantelow 1939-4-10 2601 Sonoma 2.3 mi s. of Stewarts Point Comment
  CAS-BOT-BC128618  Arbutus menziesii Peter Rubtzoff 1951-8-18 615 Sonoma Uppermost part of the western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  POM77224  Arbutus menziesii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  UC1084439  Arbutus menziesii G. Thomas Robbins 1940-3-21 299 Sonoma 5-6 mi e of Windsor (along Chalk Hill Road); Chalk Hill Road 91 Comment
  POM196028  Arbutus menziesii Emma Hawkins 1929-3-10 s.n. Sonoma Coast Ranges Comment
  SEINET7258081  Arbutus menziesii L. Fallon 1939-1-2 s.n. Sonoma 10 miles west of Guerneville Comment
  CHSC69208  Arctostaphylos James D. Jokerst 1989-4-14 3098 Sonoma Healdsburg Area A Specific Plan Study, in project area, NE corner of project area. Comment
  RSA629223  Arctostaphylos Jon E. Keeley 1993-9-11 24776 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC549543  Arctostaphylos J. E. Adams 1934-3-28 720 Sonoma near Santa Rosa; Vine Hill school Comment
  CAS-BOT-BC25322  Arctostaphylos bakeri Gladys L. Smith 1977-3-30 4652 Sonoma Summit area of Harrison Grade, serpentine outcrop 457 Comment
  UC1120871  Arctostaphylos bakeri A. E. Wieslander 1938-10-29 827 Sonoma Occidental Sebastopol Quadrangle Comment
  UC909852  Arctostaphylos bakeri J. E. Adams 1935-3-1 1027 Sonoma 2 mi w Occidental Comment
  UCD50404  Arctostaphylos bakeri A. E. Wieslander 1936-9-19 706 Sonoma 1 mile northwest of Occidental. 213 Comment
  SEINET10482703  Arctostaphylos bakeri Frederick H. Utech, Walter Knight; Irja Knight 1984-4-18 Utech 84 -167 Sonoma 0.2 mi W on Harrison Grade Road from jct with Stoetz Ln. Cupressus sargentii dominant tree in area. Plants common; to 8 ft tall in serpentine chaparral. 146 Comment
  RSA202121  Arctostaphylos bakeri subsp. bakeri Freed W. Hoffman 1947-3-11 823 Sonoma Northeast of Camp Meeker Comment
  RSA622704  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24698 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA622709  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24707 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  UCD51783  Arctostaphylos bakeri subsp. bakeri Roger Raiche 1985-9-29 RR 50899 Sonoma Northeast end of town of Healdsburg on Reservoir Hill. 121 Comment
  CAS-BOT-BC27178  Arctostaphylos bakeri subsp. sublaevis P. V. Wells 1967-6-18 61867 Sonoma The Cedars, divide ridge above Big Austin Creek, near Cazadero Comment
  CDA31371  Arctostaphylos canescens D. G. Kelch, Ed Biffin 2010-5-3 10 .202 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCSB4717  Arctostaphylos canescens Keator, Glenn 1959-4-2 Sonoma Mt. St. Helena, 9.1 miles north of Calistoga 762 Comment
  POM367246  Arctostaphylos canescens subsp. canescens L. S. Rose 1949-3-27 49017 Sonoma 3 mi. east of Beltane. 457 Comment
  CAS-BOT-BC23891  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1929-2-9 3388 a Sonoma Rincon Hill Comment
  CAS-BOT-BC23894  Arctostaphylos canescens subsp. sonomensis Walter Knight; Irja Knight 1963-11-21 424 Sonoma Rincon Ridge - Sones' Backyard. Comment
  CAS-BOT-BC23899  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1931-3-14 5759 Sonoma Rincon Ridge, near Santa Rosa Comment
  RSA70887  Arctostaphylos canescens subsp. sonomensis J. T. Howell 1937-4-11 12894 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  UC1120078  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1576 Sonoma 3/4 mi sw County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  SEINET11989213  Arctostaphylos canescens var. sonomensis W. Knight, Knight, I. 1982-1 4669 Sonoma Tilden Botanic Garden, Berkeley, originally from Sones property on Rincon Ridge, Montecito Ave near Comment
  UC424786  Arctostaphylos columbiana Milo S. Baker 1929-7-16 3621 c Sonoma nw Inverness (near Hiway) Comment
  UC571193  Arctostaphylos columbiana H. L. Mason 1928-4-8 4280 Sonoma Fort Ross Comment
  UCD50699  Arctostaphylos columbiana Mary M. Hektner 1974-7-6 133 Sonoma Along eroded roadbank approaching golf course area; Unit 35-B Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC23638  Arctostaphylos columbiana Mary P. Wells 1985-10-4 669 a Sonoma About 1 mile south of Gualala River Comment
  CAS-BOT-BC23640  Arctostaphylos columbiana Mary P. Wells; Mary Rhyne; John Madison 1985-11-4 694 A Sonoma About half mile south of Gualala River Comment
  CAS-BOT-BC24988  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5767 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  RSA107817  Arctostaphylos densiflora L. S. Rose 1955-2-28 55003 Sonoma Vine Hill, 9 mies W of Santa Rosa Comment
  SD56794  Arctostaphylos densiflora Darley F. Howe 1963-5-22 3523 Sonoma 10 miles west of Santa Rosa on Vine Hill Road. 149 Comment
  UC549451  Arctostaphylos densiflora J. E. Adams 1934-3-28 724 Sonoma Vine Hill School Sta. Rosa Comment
  UCD50800  Arctostaphylos densiflora Roman Gankin 1966-3-3 693 Sonoma Vine Hill School Road, ca. 10 miles west of Santa Rosa. Comment
  UCD162762  Arctostaphylos glandulosa Dylan O. Burge 2014-6-5 1641 Sonoma Mayacmas Mountains, western slope of Hooker Canyon, at Elarra Reserve. 500 Comment
  SEINET11993024  Arctostaphylos glandulosa W. Knight, Knight, I.; Edwards, S. W. 1985-1 5170 Sonoma 5.1 mi W on Kelly Rd from Rockpile Rd junction, S of Mt. Tom 610 Comment
  SEINET11984884  Arctostaphylos glandulosa f. cushingiana R. Gankin, Hildreth, W. R. 1967-1 1077 Sonoma near Rocky Mountain, N of Guerneville 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
  CAS-BOT-BC24676  Arctostaphylos glandulosa subsp. glandulosa J. E. Adams 1934-3-28 726 Sonoma 5 mi. n. of Cazadero. Comment
  JEPS79450  Arctostaphylos glandulosa subsp. glandulosa Edward Lee with W. A. Setchell 1936-6-7 2198 Sonoma s ridge Bohemian Grove (fire trail) Comment
  RSA339411  Arctostaphylos glandulosa subsp. glandulosa Walter Knight, Ijra Knight, Stephen Edwards 1985-1-27 5173 Sonoma 7.7 miles from west end of Sonoma Lake bridge on Rockpile Road Comment
  UC1084434  Arctostaphylos glandulosa subsp. glandulosa G. Thomas Robbins 1940-3-21 292 Sonoma bed of creek e Chalk Hill road (5-6 mi e of Windsor); Barnes Creek 38 Comment
  SEINET11993006  Arctostaphylos hispidula Unknown 1984-1 RR 40044 Sonoma on Rockpile Road ca 9.1 mi N of origin of Skaggs Springs-Stewarts Point Road 503 Comment
  POM294825  Arctostaphylos hookeri subsp. hookeri Boone Hallerg 1947-4-9 199 Sonoma 2 miles NE of Graton, Trenton Road 76 Comment
  CAS-BOT-BC38986  Arctostaphylos manzanita Roger Raiche; Steve Edwards; Walter Knight; Irja Knight 1983-7-3 4753 Sonoma Near Cazadero, The Cedars, population samples from north end of 10 acre study area. 274 Comment
  RSA633052  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27486 Sonoma Stewarts Road ca. 10 km W of Geyserville. 420 Comment
  RSA633060  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24711 Sonoma Along Calistoga Road, 19 km southwest of Highway 128. 220 Comment
  SEINET2029878 Image available Arctostaphylos manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 miles west of Santa Rosa Comment
  UCD160759  Arctostaphylos manzanita James A. Neilson Jr.; Teresa A. Sholars 1974-6-6 3258 Sonoma Mayacmas Mountains, ca. 3.5 miles west of Glenbrook and Bottle Rock Road., vicinity of Caldwell Pines. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCD160866  Arctostaphylos manzanita James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3304 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
  UCD52232  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1067 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  UCD52233  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1066 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  UCD59184  Arctostaphylos manzanita Roger Raiche 1982-11-21 20862 Sonoma Above Gilliam Creek, East Austin Creek State Rec. Area. Comment
  SEINET11990964  Arctostaphylos manzanita Unknown 1983-1 30499 H Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  UCSB4744  Arctostaphylos manzanita Keator, Glenn 1959-4-3 Sonoma 9.1 miles north of Calistoga; Mt. St. Helena Comment
  SEINET11998364  Arctostaphylos manzanita subsp. bakeri W. Knight, Knight, I.; Wells, P. V. 1985-1 6379 Sonoma Vine Hill School Rd, on CNPS Preserve 91 Comment
  UC674748  Arctostaphylos manzanita subsp. elegans E. A. Goldman 1907-12-29 71 Sonoma Mt. St. Helena 1219 Comment
  CAS-BOT-BC38651  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-4-2 10949 Sonoma 8 miles west of Santa Rosa Comment
  CAS-BOT-BC38654  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5763 Sonoma Rincon Ridge Comment
  CAS-BOT-BC38740  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1964-2-16 808 Sonoma Mill Creek Rd. west of Healdsburg. Comment
  SBBG39486  Arctostaphylos manzanita subsp. manzanita L. S. Rose 1970-2-27 70007 Sonoma Vine Hill School Rd 76 Comment
  UC1388362  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-2-28 766 Sonoma near Healdsburg (creek is a branch of Mill Creek); North Coast Ranges, Wild Hog Ridge, headwaters of Palmer Cre Comment
  UC902047  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1949-3-13 18271 Sonoma along creek w Knights Valley; Mayacamas Creek 152 Comment
  CAS-BOT-BC38678  Arctostaphylos manzanita subsp. manzanita Jacob Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4157 Sonoma From Strybing Arboretum, San Francisco, #78-161. Originally from Hood's Peak in Sonoma County. Comment
  RSA94311  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1951-9-15 744 Sonoma Dry, open area separating the western branch of the Upper Marsh from the eastern. Comment
  UC549423  Arctostaphylos nummularia J. E. Adams 1934-6-9 832 Sonoma near McNamees Store Comment
  CAS-BOT-BC47341  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5777 Sonoma Vine Hill District, 10 mi. w. of Santa Rosa. Comment
  CAS-BOT-BC47349  Arctostaphylos stanfordiana Elmer I. Applegate 1924-3-25 8858 Sonoma Pine Flat Region, w. slope of Mayacama Mountains. Comment
  LA42281  Arctostaphylos stanfordiana H. F. Copeland; 1933-3-18 A 6 Sonoma Rincon Ridge, near Santa Rosa Comment
  RSA636806  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24755 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636820  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24741 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1043525  Arctostaphylos stanfordiana P. C. Everett and E. K. Balls 1954-10-20 20376 Sonoma 4 mi sw from Lake-Sonoma Co. line (nw to w slopes of Mt. St. Helena) 640 Comment
  UCD162184  Arctostaphylos stanfordiana D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1522 Sonoma Hooker Creek watershed. 520 Comment
  UCR74384  Arctostaphylos stanfordiana G. Fred Hrusa 1989-1-24 5805 Sonoma Along Ida Clayton Rd. on NW slope of Mt. St. Helena Comment
  CAS-BOT-BC43878  Arctostaphylos stanfordiana Jacob Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4086 Sonoma at Napa/Sonoma county line in Butts Canyon Comment
  CAS-BOT-BC47344  Arctostaphylos stanfordiana C. Hart Merriam 1907-7-27 s.n. Sonoma Mt. St. Helena. Summit of 1st ridge on road from Middletown to Knights Valley. 731 Comment
  SEINET11994912  Arctostaphylos stanfordiana W. Knight, Knight, I. 1987-1 6081 Sonoma Devil's Kitchen in vicinity of Pepperwood Preserve 244 Comment
  JEPS95231  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  RSA107836  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1955-3-21 53034 Sonoma Rincon Ridge, 2 mi. NE of Santa Rosa. 152 Comment
  SBBG34139  Arctostaphylos stanfordiana subsp. stanfordiana R. Gankin 1966-3-3 691 Sonoma S of Hooker Cyn at a point directly opposite Cyn from Cavedale Rd, 3.1 mi E of jct with St Hwy 12 Comment
  UCD52617  Arctostaphylos viscida Stephen W. Edwards 1982-5-30 s.n. Sonoma Comment
  POM209633  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-18 A- 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa. Comment
  UC1388346  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-2-28 762 Sonoma near Guerneville (headwaters of creek); North Coast Ranges, Gilliam Creek Comment
  SEINET11845326  Arctotheca calendula W. Knight, Knight, I. 1990-1 6588 Sonoma Petaluma, Lynch Creek Drive Comment
  RSA302214  Aristolochia californica Jim Shevock 1971-1-30 626 Sonoma Along Russian River Comment
  UC1084356  Aristolochia californica G. Thomas Robbins 1937-3-25 15 Sonoma Santa Rosa Creek just e. of Santa Rosa on hwy. to Sonoma Comment
  RSA0056337  Armeria maritima var. californica Jim Shevock 1971-1-30 627 Sonoma Along HIghway 1. 16 Comment
  UC29614  Arnica discoidea J. Burtt Davy 1896-7-1 4130 Sonoma near, (ridge above Smith's Valley) Guerneville; Russian River, Smith's Valley Comment
  CAS-BOT-BC227670  Arrhenatherum elatius Peter Rubtzoff 1979-8-5 9302 Sonoma Freestone Marsh area; along Bohemian Highway at Freestone Flat Road junction, southeast of Freestone marsh. Comment
  SEINET14286772  Arrhenatherum elatius D. Keil 1983-1 17210 Sonoma Stillwater Cove Regional Park Comment
  CAS-BOT-BC90485  Artemisia douglasiana F. W. Peirson 1925-8-8 6342 Sonoma roadside, 6 miles south of Santa Rosa Comment
  UCD129246  Artemisia douglasiana Frederica Bowcutt 1994-6-24 1902 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. Sonoma Creek, Gray Pine Trail between Vista Trail and Meadow Trail. 408 Comment
  CAS-BOT-BC400606  Asarum caudatum Peter Rubtzoff 1951-11-24 839 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  UC762327  Asarum caudatum Robert F. Hoover 1941-5-14 5100 Sonoma Hills north of Bodega Comment
  CAS-BOT-BC400607  Asarum caudatum Peter Rubtzoff 1955-5-7 1832 Sonoma Gully on west side of Green Valley Road, 1/2 mi. northwest of Harrison Grade Road junction (area betw. Forestville and Camp Meeker) Comment
  UC399500  Aspidotis densa Michener and Bioletti March 1893 Sonoma Hood's Peak Comment
  CAS-BOT-BC68782  Aspidotis densa Donald Branscomb; Harry K. Roberts 1958-6-14 s.n. Sonoma Serpentine hills near Guerneville Comment
  SEINET11718421  Aspidotis densa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -244 Sonoma end of Stoetz Road 200 Comment
  CAS-BOT-BC180466  Astragalus breweri Alice Griffin 1922-4-1 s.n. Sonoma El Verano Comment
  CAS-BOT-BC180467  Astragalus breweri A. A. Heller; H. E. Brown 1902-4-4 s.n. Sonoma Hills East of Santa Rosa Comment
  CAS-BOT-BC376340  Astragalus breweri Greg de Nevers 1998-6-10 11278 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  UC13335  Astragalus breweri W. H. Brewer 1862-4-18 979 Sonoma Sonoma Valley Comment
  UC764626  Astragalus breweri R. F. Hoover 1939-4-18 4038 Sonoma Occidental Comment
  UC574627  Astragalus breweri W. H. Brewer 979 Sonoma Fields in Sonoma Valley Comment
  UCD168059  Astragalus breweri James Neilson 1977-4-24 3885 Sonoma crest of Mayacmas Mountains. (Exact location unknown. Neilson may have been on the south side of Pine Mountain on this date.) Comment
  SEINET7067264  Astragalus gambelianus A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  UC19232  Astragalus gambelianus Michener and Bioletti June 1893 Sonoma Hood's Peak Comment
  CAS-BOT-BC66009  Athyrium filix-femina Greg de Nevers 1996-9-1 10870 Sonoma Ida Clayton Road over Mt. St. Helena 914 Comment
  RSA94288  Athyrium filix-femina subsp. cyclosorum Peter Rubtzoff 1952-5-31 1119 Sonoma Northern half of Lower Marsh Comment
  UC1042437  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-11-24 843 Sonoma near Forestville (n 1/2 of Lower Marsh); Pitkin Marsh Comment
  UCD136295  Athyrium filix-femina var. cyclosorum Frederica Bowcutt 1984-6-24 468 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg. Southend of Gerstle Cove along creek. Just south of picnic area and parking for Environmental campsite #4. 30 Comment
  CAS-BOT-BC304422  Atriplex Peter Rubtzoff 1956-9-14 2880 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  POM207090  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa creek, east of Santa Rosa Comment
  UCR244598  Avena fatua Peter Rubtzoff 1972-5-25 6766 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC98649  Baccharis douglasii J. W. Congdon 1880-8-2 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC99598  Baccharis pilularis Walter Knight; Irja Knight 1963-8-23 188 Sonoma Joost Ranch, Calistoga Rd Comment
  POM213043  Baccharis pilularis C. B. Wolf 1934-10-13 6182 Sonoma 2 2/5 miles north of mouth of Russian River. 61 Comment
  UCD129298  Baccharis pilularis Frederica Bowcutt 1996-5-19 2132 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 Canyon, about 1/8 air miles NE of Red Mtn. 701 Comment
  CAS-BOT-BC99783  Baccharis salicifolia A. A. Heller; H. E. Brown 1902-4-18 5327 Sonoma Near Windsor 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
  CAS-BOT-BC145828  Beckmannia syzigachne Hy Edwards 1877-1-1 s.n. Sonoma Knight's Valley. Comment
  POM206250  Beckmannia syzigachne A. A. Heller 1902-6-27 5780 Sonoma West of Windsor near Russian river. Comment
  POM210240  Beckmannia syzigachne H. P. Bracelin 1930-7-27 20 Sonoma One mile N. of Fort Ross. Comment
  SEINET10514183  Beckmannia syzigachne A. Arthur Heller 1902-6-27 Heller 5780 Sonoma West Windsor near Russian River. Comment
  UCR143598  Bellis perennis G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  OBI35842  Bellis perennis David J. Keil 1983-6-29 17206 Sonoma Ca 10 mi SE of Ft Ross along Hwy 1 Comment
  CHSC22858  Berula erecta Robert A. Schlising 1963-7-27 2630 Sonoma In fresh water marsh adjoining salt marsh on east side of Bodega Penninsula. Comment
  CAS-BOT-BC290558  Bidens frondosa Peter Rubtzoff 1956-9-15 2905 Sonoma Atascadero Creek Marsh. Comment
  UCR249043  Bidens laevis Peter Rubtzoff 1963-10-30 5300 Sonoma Bodega Head Marsh 2 Comment
  RSA0008304  Blennosperma bakeri R. C. Bacigalupi, Ornduff, L. R. Heckard 1964-3-25 8924 Sonoma Along (east of) Arnold Dr., 0.7 miles north of its junction with Hwy 37, south of Sonoma Comment
  CAS-BOT-BC154961  Boisduvalia Peter Rubtzoff 1978-8-12 9252 Sonoma Russian River at Del Rio Beach, ca. 2.5 miles E of Healdsburg on S. Fitch Mtn. Road. 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
  CAS-BOT-BC154977  Boisduvalia glabella Peter Rubtzoff 1963-7-14 5202 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  CAS-BOT-BC156320  Boisduvalia glabella Peter Rubtzoff 1955-8-6 2026 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC28223  Bolboschoenus fluviatilis Peter Rubtzoff 1955-8-7 2033 Sonoma Guerneville Marsh. Comment
  SEINET11750298  Bolboschoenus robustus W. Knight, Knight, I. 1984-1 5426 Sonoma Willow Creek Rd 61 Comment
  POM142187  Boykinia occidentalis A. A. Heller 1902-6-26 5772 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC145446  Brachypodium distachyon Barrett Anderson 1987-4-27 3461 Sonoma Petaluma, south of El Rose and west of D Street. 120 Comment
  CAS-BOT-BC145447  Brachypodium distachyon G. DeNevers 1981-9-12 1853 Sonoma Pepperwood Ranch. In Leslie Creek, near confluence with Mark West Creek. Comment
  RSA54043  Brachypodium distachyon J. T. Howell 1948-4-18 24214 Sonoma Hills east of Agua Caliente. Comment
  UCD56889  Brachypodium phoenicoides Mary M. Hektner 1974-8-29 182 B Sonoma Unit 28 Owner's Map, Sea Ranch. Near State Hwy. 1. Comment
  UCD56891  Brachypodium phoenicoides R. C. Morehouse 1937-8-23 s.n. Sonoma Sample plot one mile west of Bloom field. East of Valley Ford. Comment
  SEINET242411  Brassica napus Joe Ditomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab, across from entrance to marine facility, along roadside. Comment
  CAS-BOT-BC36709  Brassica rapa John F. Emmel 1971-5-8 349 Sonoma Along road 0.5 mile south of Mark West Springs and above Mark West Creek. 146 Comment
  CAS-BOT-BC145483  Briza maxima Peter Rubtzoff 1952-5-31 1098 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the estern. Comment
  RSA239698  Briza maxima Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1096 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  UC750805  Briza maxima Charles B. Heiser Jr. 1946-5-19 1739 Sonoma w Santa Rosa; Vine Hill Comment
  UC768694  Briza maxima Robert F. Hoover 1941-5-14 5102 Sonoma hills n Bodega Comment
  UCD57138  Briza maxima Terri Williamson 1990-5-20 60 Sonoma Bayflat Road. Bodega Bay. 3 Comment
  CAS-BOT-BC145295  Briza minor John H. Thomas 1976-6-16 18273 Sonoma Souther part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC145302  Briza minor Alice Eastwood 1921-4-24 10373 Sonoma Santa Rosa. Comment
  CAS-BOT-BC145303  Briza minor Alice Eastwood 1921-5-8 10442 Sonoma Petaluma. Comment
  RSA126875  Briza minor H. S. Yates 1936-5-3 5576 Sonoma 1 mile N.W. of Petrified Forest: Calistoga 305 Comment
  CAS-BOT-BC376235  Brodiaea californica subsp. leptandra Greg de Nevers 1992-6-26 10180 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CAS-BOT-BC123412  Brodiaea californica var. leptandra Amos Arthur Heller 1902-6-23 5742 Sonoma Petrified Forest Comment
  UCD139132  Brodiaea elegans subsp. elegans Frederica Bowcutt 1994-6-12 1847 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. about 20 ft. Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  CAS-BOT-BC486536  Brodiaea elegans subsp. elegans Peter Rubtzoff 1968-6-20 5898 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road Comment
  CAS-BOT-BC486537  Brodiaea elegans subsp. elegans D. E. Breedlove 1980-6-28 44804 Sonoma Pepperwood Ranch west of Knights Valley Comment
  UC963918  Brodiaea leptandra Milo S. Baker 1947-5-30 11771 Sonoma sw slope Hood Mt. (near house trail from Gray Ranch) Comment
  UC1300937  Brodiaea terrestris subsp. terrestris Helen K. Sharsmith 1963-5-25 5474 Sonoma Two Rock to Tomales road (w edge of Sonoma County); San Francisco Region 91 Comment
  CAS-BOT-BC486470  Brodiaea terrestris subsp. terrestris Catherine Best 1983-6-10 s.n. Sonoma Salt Point, on bluff above the ocean Comment
  SBBG12947  Brodiaea terrestris subsp. terrestris A. I. Richardson 1961-6-17 22 Sonoma overlooking ocean, near Timber Cove, N of Ft Ross Comment
  CHSC100547  Bromus carinatus Beecher Crampton 1955-6-8 2831 Sonoma At Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  UCD58255  Bromus carinatus R. Tofsrud 1948-1 s.n. Sonoma Alexander Valley. Comment
  SEINET943634  Bromus carinatus var. carinatus Lewis S. Rose 1962-1 62024 Sonoma 1 mile NW of Freestone 76 Comment
  UCD151108  Bromus carinatus var. marginatus James A. Neilson Jr. 1974-6-1 3035 Sonoma Mayacmas Mountains, Geyser Rock. (Elevation estimated by label maker using Google Earth.) 1066 Comment
  CAS-BOT-BC155656  Bromus diandrus David L. Morgan 1956-6-26 s.n. Sonoma Bank of Austen Creek, 3 miles west of Monte Rio, on State Highway #12. Comment
  CAS-BOT-BC155657  Bromus diandrus Mary P. Wells 1984-5-30 317 Sonoma Santa Rosa. Friends House, Rincon Valley. Comment
  CAS-BOT-BC155245  Bromus hordeaceus David L. Morgan 1961-5-14 s.n. Sonoma 1 mile east of Cotati on Cotati Avenue. Comment
  CAS-BOT-BC155215  Bromus hordeaceus Walter Knight; Irja Knight; J. T. Howell 1987-5-27 6275 Sonoma Dodd Road Preserve. 24 Comment
  SEINET11690157  Bromus hordeaceus W. Knight, Knight, I.; Howell, J. T. 1987-1 6275 Sonoma Todd Road Preserve 24 Comment
  UC1146638  Bromus laevipes Freed W. Hoffman 1941-6-20 2102 Sonoma near Camp Meeker (North Coast Ranges, Oregon Canyon); North Coast Ranges, Oregon Canyon Comment
  UCD144422  Bromus laevipes Frederica Bowcutt 1996-5-19 2150 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 1 air mile south of Red Mountain. Lower Bald Mountain trail. 472 Comment
  UC903721  Bromus madritensis subsp. rubens Milo S. Baker 1947-5-7 11724 Sonoma Hood Mountain, near Grant Line Hood Mountain 228 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
  CAS-BOT-BC161583  Bromus sterilis John Thomas Howell 1967-6-17 42598 Sonoma Confluence of Galloway and Dry Creeks. 182 Comment
  UCD60243  Bromus vulgaris B. Crampton 1955-6-17 2928 Sonoma 1.6 miles west of Forestville. Comment
  UC1301003  Cakile maritima Helen K. Sharsmith 1963-5-25 5499 Sonoma just s of Bodega Harbor; San Francisco Bay Region 1 Comment
  UCR37755  Cakile maritima A. C. Sanders 1985-1-19 5369 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  UCD57039  Calamagrostis bolanderi Freed W. Hoffman 1941-6-15 2157 Sonoma North Coast Ranges, Sonoma Coast, Eckert's Ranch near Salt Point. Comment
  UCR254853  Calamagrostis bolanderi Greg de Nevers 1996-6-17 10831 Sonoma CYO Camp south of Occidental on Bohemian Highway [2136 Bohemian Hwy, Occidental] 122 Comment
  UC768850  Calamagrostis koelerioides R. F. Hoover 1941-5-14 5090 Sonoma 2 mi s Monte Rio (toward Camp Meeker) Comment
  CAS-BOT-BC185131  Calamagrostis nutkaensis Mary P. Wells 1982-8-21 128 Sonoma South Gerstle Cove, Salt Point State Park. Comment
  SD56676  Calamagrostis nutkaensis D. F. Howe 1953-7-3 3582 Sonoma 19 miles north of junction with #12 on #1 Comment
  UC963876  Calamagrostis ophitidis Milo S. Baker 1947-5-30 11772 Sonoma along Harrison Grade ca 2 mi ne Occidental; Nort Bay Counties Comment
  RSA0065200  Calamagrostis rubescens Greg de Nevers 1997-6-7 11019 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On the Oak Hill Ranch burned area. 100 Comment
  UCD57738  Calamagrostis rubescens R. Tofsrud 1951-6-1 s.n. Sonoma north of Sonoma, 'Top-O-The-World' Road, near Bay Area Lookout. Comment
  CAS-BOT-BC438611  Calandrinia ciliata Alice Eastwood; John Thomas Howell 1936-5-19 2498 Sonoma Santa Rosa Comment
  CAS-BOT-BC438614  Calandrinia ciliata G. H. Mallory 1920-3-29 s.n. Sonoma East end of Sonoma Ave., Santa Rosa. Comment
  UCD144659  Calandrinia ciliata Frederica Bowcutt 1996-3-24 2080 Sonoma Sugarloaf Ridge State Park; about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood and 18 air miles northwest of Napa. About 1/2 air miles S of Red Mtn, along Vista Trail. 563 Comment
  UCD129655  Calendula arvensis John Thomas Howell 1946-3-31 21591 Sonoma east of Sonoma. Comment
  SEINET11845325  Calendula arvensis W. Knight, Knight, I. 1990-1 6576 Sonoma 1.2 mi S of Warm Springs Rd (Kenwood) Comment
  UC1101513  Callitriche heterophylla var. bolanderi Malcolm A. Nobs 1949-8-1 1106 Sonoma 2 mi e Stewart's Point (on road to Geyserville) Comment
  UCR25305  Callitriche verna John C. Roos 1957-7-2 6644 Sonoma Miller Ridge Comment
  UC400140  Calochortus amabilis Ynes Mexia 1929-6-2 2393 Sonoma near Mark West Springs Comment
  UC672157  Calochortus amabilis Herbert L. Mason 1934-4-28 8068 Sonoma Jensen's Ranch Dohrman Creek Comment
  UCR218647  Calochortus amabilis George K. Helmkamp, E. A. Helmkamp 2010-6-4 16212 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
  UCR90866  Calochortus amabilis Kathy Harper, Dane Karr 1994-6-10 s.n. Sonoma North Coast Range, King Ridge Road along Big Austin Creek, north of Cazadero 122 Comment
  CAS-BOT-BC483278  Calochortus amabilis F. G. Krauss 1895-5-6 s.n. Sonoma Mountains near Franz Valley Comment
  CAS-BOT-BC483289  Calochortus amabilis R. F. Hoover 1965-6-29 9478 Sonoma Graton-Occidental Road Comment
  SBBG57657  Calochortus amabilis H. E. and S. T. Parks 1930-5-9 605 Sonoma Alexander Valley Comment
  UCD139529  Calochortus luteus Frederica Bowcutt 1994-6-12 1850 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 Pony Gate Trail 75 yards N of Sonoma Creek. 411 Comment
  CAS-BOT-BC492630  Calochortus luteus Elsa G. Ruckert 1960-5-28 161 Sonoma Highway 12 1 mile from Trinity Road 243 Comment
  POM169582  Calochortus luteus Michener, F. T. Bioletti 1893-05 s.n. Sonoma Los Guilicos Comment
  JEPS82297  Calochortus raichei Roger Raiche 1983-6-25 20424 Sonoma above Layton Mine (Austin Creek watershed); The Cedars, Austin Creek 365 Comment
  JEPS55638  Calochortus tolmiei Wayne Roderick 1967-5-13 Sonoma ca 1 rd mi n Fort Ross 22 Comment
  CAS-BOT-BC494024  Calochortus tolmiei Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC132636  Calochortus uniflorus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC132637  Calochortus uniflorus John Thomas Howell 1947-6-5 23232 Sonoma Cunningham Marsh Comment
  UC1299336  Calochortus vestae Freed W. Hoffman 1950-5-27 3598 Sonoma Gilliam Creek, a branch of East Austin Creek North Coast Ranges, Morrison Ridge, East Austin Creek Comment
  UC523536  Calycadenia multiglandulosa David D. Keck 1933-11-6 2648 Sonoma 2.5 mi n Occidental Comment
  UCSC000752  Calycadenia multiglandulosa C. M. Hoak 2008-7-31 s.n. Sonoma Monte Rio Comment
  UC192556  Calycanthus occidentalis Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  UC34864  Calycanthus occidentalis W. C. Blasdale 1894-5-10 Sonoma Guerneville Comment
  CAS-BOT-BC91010  Calycanthus occidentalis A. T. Graff 1925-6-7 s.n. Sonoma Trospers. Comment
  JEPS64306  Calypso bulbosa Vena Wiley 1908-1 Sonoma Cazadero Comment
  UC1134726  Calypso bulbosa E. Armstrong 1934-3-26 944 Sonoma 2 mi sw of Camp Meeker 121 Comment
  OBI48779  Calyptridium quadripetalum L. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, ca. 9 mi ENE of Geyserville ; 1/2 mi N of the mine 914 Comment
  UCR45086  Calyptridium quadripetalum L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  JEPS87233  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1992-5-2 1271 Sonoma Found on the north side of White Rock, 1 3/4 miles north of Jimtown 304 Comment
  CAS-BOT-BC436379  Calystegia occidentalis subsp. occidentalis Alice Eastwood 1915-6-5 4570 Sonoma Petrified Forest Comment
  UCD125693  Calystegia purpurata subsp. purpurata Frederica Bowcutt 1994-5-1 1749 Sonoma Sugarloaf Ridge State Park. About 40 air miles north of San Francisco; about 11 air miles E of Santa Rosa; about 2.5 air miles N of Kenwood. Adobe Canyon along Goodspeed Trail about 1/8 mile from trail head on Adobe Canyon Road. 213 Comment
  UCR255740  Calystegia purpurata subsp. purpurata Greg de Nevers 1993-5-9 10440 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC33000  Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC436455  Calystegia subacaulis Lewis S. Rose 1941-5-22 41251 Sonoma Rincon Ridge, 4 mi. E of Santa Rosa 121 Comment
  UC140324  Calystegia subacaulis subsp. subacaulis J. W. Congdon 1880-6-13 Sonoma Petaluma. Comment
  CAS-BOT-BC498776  Camassia quamash subsp. linearis John Thomas Howell 1945-5-30 20905 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC498777  Camassia quamash subsp. linearis J. W. Congdon 1880-5-16 s.n. Sonoma Sebastopal Road, Mariposa Comment
  HSC16502  Camissonia ovata R. F. Good 1962-4-20 1 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes. Sonoma Mt. Coast Range. 46 Comment
  HSC16503  Camissonia ovata F. Demostene 1966-4-3 14 Sonoma 2 mi. E of Healdsburg Comment
  RSA785710  Camissonia ovata Carrie A. Herd 1982-3-14 14 Sonoma Crane Creek Regional Park Comment
  CAS-BOT-BC266420  Campanula californica Herbert L. Mason 1946-7-4 12894 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  JEPS81953  Campanula californica Rimo Bacigalupi 1967-8-30 9312 Sonoma se of Forestville (near e end of Templeman Road); Pitkin Marsh 45 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
  SEINET10840067  Campanula californica Sutcliffe 1920-7-18 SUTCLIFFE s.n. Sonoma Annapolis Comment
  UC29012  Campanula prenanthoides J. Burtt Davy 1896-7-22 4143 Sonoma Rusian River Comment
  UC34817  Campanula prenanthoides W. C. Blasdale 1896-7-18 Sonoma Cozadero Comment
  RSA790010  Capsella bursa-pastoris Peter Rubtzoff 1958-8-9 3841 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  RSA790007  Capsella bursa-pastoris Peter Rubtzoff 1974-5-19 7443 Sonoma Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC37756  Cardamine californica Dorothy Scherer 1996-4-14 031 Sonoma Fort Ross Road ca 0.5 mile west of Seaview Road and ca 50 feet north. Fort Ross State Historic Park. 441 Comment
  CAS-BOT-BC37773  Cardamine californica George H. Mallory 1920-3-29 s.n. Sonoma On east side of Rincon Valley 6 miles east of Santa Rosa. Comment
  CAS-BOT-BC37766  Cardamine californica Walter Knight; Irja Knight 1964-2-16 806 Sonoma Sonoma Mountain Road near Enterprise Road. Comment
  HSC34934  Cardamine californica Thomas W. Nelson, James Nelson 1975-3-25 1757 Sonoma Beside Hwy. 128, E of Geyserville at the Sonoma-Napa Co. line Comment
  UCD114519  Cardamine hirsuta John Thomas Howell 1946-3-31 21589 Sonoma Sonoma. Comment
  CAS-BOT-BC38038  Cardamine oligosperma Mary P. Wells 1989-3-28 976 Sonoma By cement path to Friends House from 637 Bambi Lane, Rincon Valley, Santa Rosa. Comment
  JEPS128267  Cardamine oligosperma Roger Raiche 2000-4-8 027 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC72002  Cardamine oligosperma Milo S. Baker 1898-3-26 697 Sonoma Santa Rosa , hills near McDonald's Reservoir (hills near McDonald's Reservoir) Comment
  UCD151170  Cardamine oligosperma James A. Neilson Jr. 1974-3-27 3014 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  POM144128  Cardamine oligosperma A. A. Heller, H. E. Brown 1902-3-14 5053 Sonoma Near Santa Rosa Comment
  JEPS128333  Cardamine pachystigma var. dissectifolia Roger Raiche 2010-2-28 010 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC281769  Carduus pycnocephalus F. H. Utech; Walter & Irja Knight 1986-5-15 86 -160 Sonoma The Geysers, ca 14.0 miles ESE of Preston and US Highway 101 on Geysers Rd 120 Comment
  UCR255716  Carex abrupta Peter Rubtzoff 1960-5-20 4394 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC18146  Carex athrostachya Peter Rubtzoff 1960-5-15 4325 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC19368  Carex barbarae Helen D. Geis 1902-8-1 566 Sonoma Skaggs. Comment
  CAS-BOT-BC19371  Carex barbarae G. DeNevers 1981-3-14 528 A Sonoma Pepperwood Ranch. Pippindale farm, 7 miles NE of Santa Rosa, near Mark West lodge. In Leslie Creek. In Mark West Creek. Comment
  CAS-BOT-BC19374  Carex barbarae John Kipping 1973-8-8 s.n. Sonoma Dry Creek Road, 12 miles from Healdsburg on road to Stewart Point. Comment
  RSA0015629  Carex barbarae Peter Rubtzoff 1975-7-3 8152 Sonoma Kenwood Marsh. Comment
  RSA0022384  Carex barbarae Peter Rubtzoff 1955-5-21 1873 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC34026  Carex brevicaulis Robert F. Thorne 1965-4-19 34321 Sonoma Harrison Grade 0.5 mile east of Stoetz Road. 152 Comment
  UCR248865  Carex cusickii Peter Rubtzoff 1958-5-17 3678 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  CAS-BOT-BC350934  Carex cusickii Peter Rubtzoff 1955-5-14 1839 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC20473  Carex densa John Thomas Howell 1937-7-4 13073 Sonoma Near Petrified Forest. Comment
  RSA758130  Carex densa Peter Rubtzoff 1954-6-7 1478 Sonoma 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
  RSA91588  Carex densa Alice Eastwood, J. T. Howell 1936-5-19 2500 Sonoma North limits of Santa Rosa. Comment
  POM248596  Carex dudleyi J. T. Howell 1938-7-3 13948 Sonoma Stony Point. Comment
  RSA94279  Carex dudleyi Peter Rubtzoff 1951-6-16 245 Sonoma N half of lower Pitkin Marsh, SE of Forestville Comment
  CAS-BOT-BC19897  Carex echinata subsp. phyllomanica John Thomas Howell 1945-5-30 20892 Sonoma Pitkin Marsh. Comment
  UCR250396  Carex exsiccata Peter Rubtzoff 1954-8-2 1622 Sonoma Duncan Mills Marsh, upper portion of marsh 2 Comment
  RSA121756  Carex exsiccata H. S. Yates 1936-5-17 5632 Sonoma 2 miles NE of Graton. 30 Comment
  CAS-BOT-BC20135  Carex feta Peter Rubtzoff 1961-6-17 4619 Sonoma Bennett Mountain Lake. Comment
  UCD112453  Carex feta Peter Rubtzoff 1961-6-17 4619 Sonoma Bennett Mountain Lake. Comment
  UC904940  Carex globosa John Thomas Howell 1945-5-30 20913 Sonoma Vine Hill School Comment
  CAS-BOT-BC28327  Carex gracilior John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53970 Sonoma fairfield Osborn Preserve of the Nature Conservancy, 4.5 mi NE of Penngrove 457 Comment
  CAS-BOT-BC32474  Carex gracilior Henry Nicholas Bolander 1864-4-1 3822 Sonoma Meadow at Cloverdale Comment
  CAS-BOT-BC21903  Carex harfordii Peter Rubtzoff 1960-5-16 4351 Sonoma Duncan Mills Marsh. In upper portions of the marsh. Comment
  CAS-BOT-BC311836  Carex harfordii Peter Rubtzoff 1974-6-2 7513 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC320572  Carex harfordii Peter Rubtzoff 1964-5-20 5320 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC320573  Carex harfordii Peter Rubtzoff 1962-6-1 4861 Sonoma Freestone Marsh. Comment
  UCR248914  Carex harfordii Peter Rubtzoff 1962-6-1 4861 Sonoma Freestone Marsh 79 Comment
  UCR248919  Carex harfordii Peter Rubtzoff 1962-6-1 4865 Sonoma Freestone Marsh 79 Comment
  RSA0022358  Carex harfordii Peter Rubtzoff 1964-5-20 5320 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC31175  Carex lemmonii R. F. Hoover 1939-5-30 4111 Sonoma Perry's Ranch near Sebastopol. Comment
  UCD140481  Carex leporina Peter Rubtzoff 1958-5-10 3638 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC329276  Carex leptopoda Peter Rubtzoff 1960-5-16 4359 Sonoma Duncans Mills Marsh. Comment
  HSC7141  Carex leptopoda L. S. Rose 1964-6-3 64051 Sonoma N end of Bodega Bay swamp 2 Comment
  RSA0034189  Carex leptopoda Peter Rubtzoff 1964-5-20 5323 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC31433  Carex leptopoda LeRoy Abrams 1920-7-3 7600 Sonoma Gualala River. Comment
  CAS-BOT-BC119309  Carex obnupta Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc, The Sea Ranch. Comment
  CAS-BOT-BC119310  Carex obnupta Mary P. Wells 1981-8-2 s.n. Sonoma S end of Timber Ridge Road, The Sea Ranch. Comment
  CAS-BOT-BC119286  Carex ovalis John Thomas Howell; J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC119287  Carex ovalis John Thomas Howell 1947-6-5 23240 Sonoma Cunningham Marsh. Comment
  RSA201424  Carex ovalis J. T. Howell 1947-6-5 23240 Sonoma Cunningham Marsh Comment
  UC1133473  Carex ovalis H. S. Yates 1936-5-16 5580 Sonoma 1 mi ne Graton; Sebastopol Quadrangle 30 Comment
  UCD161822  Carex serratodens James A. Neilson Jr. 1975-5-23 3205 Sonoma Abril property, Truit Creek at Big Sulphur Creek. (Exact location unkown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC329280  Carex stipata Peter Rubtzoff 1955-5-14 1838 Sonoma Forestville Marsh. Comment
  RSA244331  Carex stipata Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1087 Sonoma Pitkin-Jones Tree Farm; on Vine Hill road 1.3 miles north of jct. with Guerneyville Road. West of Santa Rosa. Comment
  UC836641  Carex tumulicola Lewis S. Rose 1939-5-14 39118 Sonoma 1 mi e Bodega Bay 30 Comment
  UCR248922  Carex tumulicola Peter Rubtzoff 1957-5-26 3359 Sonoma Occidental Marsh Comment
  UCD140928  Carex tumulicola Botany 102 Students 1993-5-8 292 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Comment
  UCD19304  Carpobrotus edulis Terry Reedy 1974-5-11 204 Sonoma Bodega Head, between road and freshwater marsh. 3 Comment
  CAS-BOT-BC281916  Carthamus lanatus Peter H. Raven; R. Snow 1958-7-23 13684 Sonoma Near a farm above Wolf Creek, along road to Stewart's Point, 15.5 miles W of Skaggs Springs Comment
  CAS-BOT-BC281917  Carthamus lanatus B. Crampton 1957-7-22 4356 Sonoma 15.2 miles W of Skagg's Springs on road to Stewart's Point Comment
  CAS-BOT-BC249310  Caryophyllaceae Peter Rubtzoff 1963-6-22 5183 Sonoma Bennett Mountain Lake. Comment
  JEPS74987  Castilleja ambigua subsp. ambigua T. I. and F. M. Chuang 1975-7-5 7518 Sonoma s side Pitkin Marsh Comment
  POM44312  Castilleja ambigua subsp. ambigua Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  UC103161  Castilleja ambigua subsp. ambigua J. W. Congdon 1889-8 Sonoma Petaluma Comment
  UC584179  Castilleja ambigua subsp. ambigua J. Clausen 1935-5-24 1095 Sonoma 6.5 mi s Jenner (on the Bodega road) Comment
Read comments
Jan 8 2015
  JEPS128189  Castilleja applegatei subsp. martinii Roger Raiche 2000-5-5 089 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  SD130527  Castilleja attenuata F. Almeda, G. DeNevers 1981-4-28 4918 Sonoma Pepperwood Ranch, vicinity of the Bechtel cabin Comment
  UC726151  Castilleja attenuata A. A. Heller 1940-4-22 15551 Sonoma near West Windsor Comment
  CAS-BOT-BC243776  Castilleja densiflora Barbara Keller 1990-4-30 1999 Sonoma Coleman Valley Road, 6 miles west of Occidental Comment
  HSC103519  Castilleja densiflora Thomas W. Nelson, Jane Nelson 1981-5-3 6463 Sonoma Along Pressley Rd., ~ 1 mi. N of junction with Roberts Rd. Comment
  UC65828  Castilleja densiflora subsp. densiflora A. A. Heller 1902-4-18 5307 Sonoma Windsor Comment
  UCD160875  Castilleja foliolosa James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3285 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
  POM44369  Castilleja franciscana Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC243853  Castilleja latifolia Ella Dales Cantelow 1939-4-10 2605 Sonoma About 1.6 mi. S of Russian River Bridge Comment
  JEPS35852  Castilleja subinclusa subsp. franciscana Rimo Bacigalupi, and L. R. Heckard 1964-8-3 8998 Sonoma 0.9 mi n Calif. Hwy. 1 junction with road to Seaview (along Calif Hwy 1, between Fort Ross and Russian Gulch, just s of Meyer Gulch) 152 Comment
  SDSU10562  Castilleja subinclusa subsp. franciscana D. F. Howe 1965-8-3 4100 Sonoma 2.4 miles E on Bodega Bay on #1. Comment
  CAS-BOT-BC241090  Castilleja uliginosa Hans Leschke 1945-5-30 s.n. Sonoma Pitkin Marsh Comment
  UC1191869  Castilleja uliginosa Herbert L. Mason 1946-7-4 12892 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  RSA133101  Castilleja wightii Peter H. Raven, Richard Snow 1958-7-23 13688 Sonoma 2.6 miles north of Jenner. Comment
  SBBG6848  Castilleja wightii H. and M. Dearing 1929-5-14 3348 Sonoma rd to coast, Russian River Comment
  UC1071513  Ceanothus C. M. Belshaw 1936-3-8 1583 Sonoma .75 mi n. Annadel (nw of Kenwood); Santa Rosa Quad. Comment
  RSA21892  Ceanothus confusus J. T. Howell 1935-5-5 12620 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  RSA21893  Ceanothus confusus J. T. Howell 1935-5-5 12621 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  UCD112089  Ceanothus cuneatus Frederica Bowcutt 1994-6-25 1911 Sonoma Sugar Loaf 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 miles northwest of Napa. Gray Pine Trail > 0.5 mile north of trailhead on Meadow Trail; east of Sonoma Creek. 445 Comment
  JEPS116512  Ceanothus divergens Peter Warner 2009-4-10 99 Sonoma Pepperwood Preserve; ; ; Pepperwood Preserve, Franz Valley Road, approx. 0.6 mi WNW of Jct. Franz Valley - Franz Valley School Roads 300 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
  CAS-BOT-BC64424  Ceanothus foliosus Walter Knight; Irja Knight 1963-8-23 191 Sonoma Josh Ranch, Calistoga Rd. Comment
  UC1070626  Ceanothus foliosus R. W. Lundh 1932-6-19 109 Sonoma 1 mi nw Los Alamos School; Santa Rosa quad. 579 Comment
  UC1614284  Ceanothus foliosus Charles M. Belshaw 1936-3-7 1569 A Sonoma just east of Trenton (turn off to Vine Hill School); Forest Hill Road Comment
  UC33653  Ceanothus foliosus F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  RSA25702  Ceanothus foliosus Carl B. Wolf 1941-7-17 11021 Sonoma N coast range, Trinity Mt. 1/8 miles W of summit of grade 610 Comment
  CAS-BOT-BC64421  Ceanothus foliosus subsp. vineatus Milo S. Baker 1946-4-29 11355 Sonoma Vine Hill region along College Ave. hwy. Comment
  CAS-BOT-BC49913  Ceanothus foliosus var. foliosus D. E. Breedlove 1983-4-11 58671 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD112147  Ceanothus foliosus var. foliosus Collector unknown Date unknown s.n. Sonoma southwestern part of county. Comment
  RSA164633  Ceanothus foliosus var. vineatus Percy C. Everett 1963-11-21 24563 Sonoma Vine Hill School Rd., west of Vine Hill School. N of Sebastopol. 76 Comment
  CAS-BOT-BC49995  Ceanothus gloriosus John Thomas Howell 1937-4-11 12898 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50010  Ceanothus gloriosus Milo S. Baker 1935-4-1 8029 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49952  Ceanothus gloriosus var. exaltatus Mary P. Wells 1983-8-3 166 Sonoma Pygmy Forest Comment
  POM301629  Ceanothus gloriosus var. exaltatus Carl B. Wolf 1941-7-30 11108 Sonoma 8.5 miles south of Stewarts Point, at entrance to Salt Point Ranch. 30 Comment
  CAS-BOT-BC49953  Ceanothus gloriosus var. exaltatus J. Clausen 1933-3-26 742 Sonoma southern boundary of the Frey Brothers Ranch, about 10 miles west of Santa Rosa on the Santa Rosa-Graton Road Comment
  CAS-BOT-BC49976  Ceanothus gloriosus var. gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S. of Stewart's Point Comment
  SEINET12211128  Ceanothus integerrimus var. californicus W. Knight, Knight, I.; Edwards, S. 1986-1 5319 Sonoma Along trail to summit of Geyser Peak. Access from Healdsburg-Geysers Road 876 Comment
  CAS-BOT-BC50720  Ceanothus integerrimus var. macrothyrsus Helen D. Geis 1902-1-1 s.n. Sonoma unspecified Comment
  UCD168054  Ceanothus jepsonii James Neilson 1978-6-9 3964 Sonoma Mayacmas Mountains, Shell Well Site E. Bear Ridge. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  SEINET12210995  Ceanothus jepsonii F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -165 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  JEPS42422  Ceanothus jepsonii var. albiflorus W. L. Jepson 1924-4-27 10377 Sonoma Mt. St. Helena, E side, on Middleton grade Comment
  SEINET12211280  Ceanothus jepsonii var. albiflorus W. Knight, Schmidt, C. 1987-1 6060 Sonoma Bradford Mt. Road near Dorman Campon, W of Healdsburg 168 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
  POM161075  Ceanothus parryi R. C. Bacigalupi 1926-5-2 1396 Sonoma Cazadero. Comment
  UC1299538  Ceanothus parryi Freed W. Hoffman Apr 1947 888 Sonoma Wild Hog Rodge, headwaters of Palmer Creek Comment
  UC73364  Ceanothus parryi Milo S. Baker May, 1899 Sonoma near Occidental; Green Valley Comment
  UCD36684  Ceanothus parryi Beecher Crampton 1955-6-17 2933 Sonoma Sonoma County, 3.3 miles west of Forestville, along State Highway 12. Comment
  RSA25703  Ceanothus parryi Carl B. Wolf 1941-7-17 11020 Sonoma N coast Range, Trinity Mt, 2 miles E of Hwy and12 (Sonoma to Santa Rosa) 457 Comment
  UC1193290  Ceanothus prostratus R. H. Neuns 1950-5-17 112 Sonoma 4 mi airline from the Geysers (Sonoma-Lake County line); Quad. 60B4, 4 mi from the Geysers 990 Comment
  UCR250220  Ceanothus sonomensis Peter Warner 2013-3-27 272 Sonoma Glen Oaks Ranch, c. 1 mi east of Glen Ellen, in northeast part of ranch 168 Comment
  OBI10345  Ceanothus sonomensis H. E. McMinn 1941-4-27 5324 Sonoma Triniti rd, Mt. Hood Range Comment
  UC1281390  Ceanothus sonomensis H. E. McMinn 1938-9-5 5254 Sonoma Mt. Hood Range, road from Warfield to Oaskville Comment
  CAS-BOT-BC52397  Ceanothus velutinus Malcolm Smith 1939-10-1 s.n. Sonoma 2 miles W. of Guerneville on old road to Monte Rio Comment
  UC1281461  Ceanothus velutinus H. E. McMinn 1936-4-4 4379 Sonoma near R. L. Stevenson Monument; Mt. St. Helena Comment
  CAS-BOT-BC366942  Centaurea Greg de Nevers 1993-5-30 10467 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa along Piney Canyon Rd. from Bald Hills 400 Comment
  UCD130048  Centaurea melitensis Mary M. Hektner; Sue Dakuazku, Cathy Hendel 1974-7-3 111 Sonoma Unit 15 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  NY444437  Centaurea solstitialis L. Abrams 1916-7-4 5794 Sonoma Road between Petrified Forest and Mark West Comment
  RSA121125  Centaurea solstitialis H. S. Yates 1935-10-3 5341 Sonoma Santa Rosa 53 Comment
  JEPS105487  Centaurea stoebe subsp. micranthos Elaine Mahaffey Sep 2003 Sonoma The Sea Ranch, Highway 1, 100-200 yards N of the Del Mar Community Center, large pull-out on ocean side of highway; extreme NW Sonoma Co. Comment
  OBI35874  Centaurium erythraea David J. Keil 1983-6-29 17201 Sonoma Ca. 10 mi SE of Ft. Ross along hwy 1 Comment
  UC30944  Centromadia fitchii Alice King 1897-5-1 Sonoma Healdsburg Comment
  CAS-BOT-BC288808  Centromadia fitchii David D. Keck 1933-11-10 2726 Sonoma 1 mile E of Shellville Comment
  CAS-BOT-BC271544  Centromadia parryi subsp. parryi John Thomas Howell 1930-10-5 5530 Sonoma Dry field 5.8 miles SW of Sonoma on Black Point cutoff Comment
  CAS-BOT-BC271541  Centromadia parryi subsp. parryi David D. Keck 1933-11-10 2730 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  JEPS76935  Cerastium arvense Robert M. Lloyd 1963-2-24 2062 Sonoma 0.2 mi. n. Bodega Bay City (on State Hwy. 1) Comment
  UC8239  Cerastium arvense Harley P. Chandler 1900-5-25 714 Sonoma Bodega Bay Comment
  UCD98035  Cerastium glomeratum Daehler; Lu 1993-5-8 255 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. 371 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-BC135414  Cercocarpus betuloides var. betuloides Alice D. Sargent 1922-4-18 s.n. Sonoma Near Montesano, Russian River Comment
  CAS-BOT-BC135420  Cercocarpus betuloides var. betuloides J. Clausen 1933-3-25 734 Sonoma Santa Rosa Creek/Canyon, on south exposed slopes. 182 Comment
  UCD158807  Chaenactis glabriuscula var. heterocarpha James A. Neilson Jr. 1974-3-27 2941 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC279782  Chamaemelum fuscatum R. Bacigalupi 1948-4-4 2870 Sonoma Ca. 2 mi. so. of Asti, along U.S. 101 Comment
  CAS-BOT-BC279783  Chamaemelum fuscatum John H. Thomas 1966-3-18 11480 Sonoma 2 miles south of Asti as measured along the road along highway 101 Comment
  CDA7377  Chamaemelum fuscatum T. C. Fuller 1970-5-4 19483 Sonoma 1 mile west of the freeway overpass, Highway 101, Asti. 0 Comment
  UCD35265  Chamaemelum fuscatum Beecher Crampton 1955-3-14 2319 Sonoma Asti. Comment
  UCD166098  Chenopodium Peter Rubtzoff 1971-8-9 6638 Sonoma Laguna, Chileno Valley. Comment
  RSA201186  Chenopodium botrys Peter Rubtzoff 1965-8-22 5615 Sonoma Russian River bottom at Forest Hills (5.5 miles E of Guerneville). Comment
  SEINET3992037  Chlorogalum pomeridianum Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15089 Sonoma In chaparral, 2 miles North of Geyserville Comment
  UCD138415  Chlorogalum pomeridianum Mary M. Hektner 1975-6-22 210 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC252851  Chorizanthe polygonoides var. polygonoides Greg de Nevers 1993-4-27 10410 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 457 Comment
  UCD110112  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  UC1193057  Chrysolepis chrysophylla var. minor R. H. Neuns 1950-5-23 114 Sonoma 2 mi w Cobb (on Cobb Mountain, on Sonoma-Lake County line); Cobb Mountain 1264 Comment
  RSA790282  Cirsium arvense Peter Rubtzoff 1955-8-13 2049 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC278067  Cirsium douglasii var. breweri Milo S. Baker 1926-1-1 229 c-Local Sonoma Hood Mt 609 Comment
  CAS-BOT-BC279996  Cirsium douglasii var. douglasii Alice Eastwood 1915-6-29 4887 Sonoma Bodega Point Comment
  CAS-BOT-BC279997  Cirsium douglasii var. douglasii Alice Eastwood; John Thomas Howell 1937-5-31 4497 Sonoma 6 1/2 miles south of Gualala River, Sonoma coast Comment
  POM53742  Cirsium douglasii var. douglasii A. A. Heller 1902-7-2 5803 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  UCD130613  Cirsium douglasii var. douglasii P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar, near old orchard. Comment
  CAS-BOT-BC280362  Cirsium occidentale var. venustum Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC280363  Cirsium occidentale var. venustum Blanche Clear 1938-5-28 s.n. Sonoma Hillside between Geyserville & Alexander Valley Comment
  CAS-BOT-BC285752  Cirsium remotifolium John Thomas Howell 1937-7-4 13070 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC285753  Cirsium remotifolium John Thomas Howell 1937-7-4 13070 Sonoma Near Petrified Forest Comment
  UC91787  Cirsium remotifolium var. odontolepis T. S. Brandegee 1893-6-30 Sonoma Cazadero Comment
  RSA73992  Cirsium remotifolium var. odontolepis M. S. Baker 1931-5-22 5209 Sonoma Bennett Valley Road, south of Weavers. Comment
  SBBG21142  Clarkia amoena V. Haraden 1940-7-13 10 Sonoma ca. 10 mi E of Bodega Bay 304 Comment
  SEINET7042574  Clarkia amoena A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  CAS-BOT-BC161052  Clarkia amoena subsp. amoena P. A. Munz 1936-8-8 14311 Sonoma Coast 5 mi. north of Jenner Comment
  SD39468  Clarkia amoena subsp. amoena Edith A. Purer 1932-7-14 Sonoma Between Bodega Bay and Santa Rosa Comment
  CAS-BOT-BC161053  Clarkia amoena subsp. amoena John Thomas Howell 1930-7-27 5410 Sonoma 8 miles south of Fort Ross Comment
  JEPS82307  Clarkia amoena subsp. huntiana Roger Raiche 1983-7-5 30483 Sonoma n. Plantation (Tin Barn Rd. (3.5 mi. n. of King Ridge Rd.)) Comment
  CAS-BOT-BC172209  Clarkia concinna Peter Rubtzoff 1952-6-9 1184 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC172210  Clarkia concinna A. A. Heller 1940-5-10 15600 Sonoma Near Fort Ross on a roadside bank. Comment
  CAS-BOT-BC172221  Clarkia concinna Mrs. E. C. Sutliffe 1927-6-1 s.n. Sonoma Near Monte Rio Comment
  UCSB15930  Clarkia concinna Breedlove, Dennis 1962-6-6 Sonoma along State Highway 128; 1.5 miles northwest of U.S. Highway 101; at Cloverdale 121 Comment
  SEINET12195099  Clarkia concinna F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -254 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UC1299414  Clarkia concinna subsp. concinna Freed W. Hoffman 1947-5-18 539 Sonoma Dutch Bill Creek North Coast Ranges Comment
  POM126043  Clarkia concinna subsp. concinna A. T. Graff 1925-5-20 s.n. Sonoma Trooper s, Cazadero Comment
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Nov 4 2015
  RSA41289  Clarkia gracilis subsp. gracilis Robert F. Hoover 1941-5-14 5083 Sonoma 3 miles south of Monte Rio on road to Camp Meeker Comment
  JEPS43826  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 18 Sonoma 1/2 mi e Glen Ellen 30 Comment
  CAS-BOT-BC163152  Clarkia imbricata Milo S. Baker 1945-7-18 11107 Sonoma Pitkin Ranch along path to marsh Comment
  LA206097  Clarkia imbricata H. Lewis; M. Lewis 1951-7-10 865 Sonoma 6230 Vine Hill Rd, between Santa Rosa and Guerneville 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
  UC1018288 Image available Clarkia imbricata H. Lewis and M. Lewis 1951-7-10 865 Sonoma Santa Rosa to Guerneville 6230 Vine Hill Road; Santa Rosa to Guerneville, Vine Hill Road, Sonoma Co. Comment
  NY37725  Clarkia imbricata P. H. Raven 1958-7-23 13691 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  POM171644  Clarkia purpurea subsp. quadrivulnera Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  UC20331  Clarkia purpurea subsp. quadrivulnera Ivar Tidestrom 1895-6-3 Sonoma Comment
  UCD104917  Clarkia purpurea subsp. quadrivulnera Frederica Bowcutt 1994-5-21 1834 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. At junction of meadow trail and digger pine trail, 1 mile from trailhead. 396 Comment
  POM187327  Clarkia unguiculata Marcus E. Jones 1931-7-5 29038 Sonoma The Geysers. Comment
  SEINET12194281  Clarkia unguiculata F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -156 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 80 Comment
  RSA6471  Claytonia exigua subsp. exigua Jens Clausen 1933-3-26 745 Sonoma Harrison Grade, betwen Grtaon and Occidental. In orchard, gravelly soil. Comment
  SD130424  Claytonia gypsophiloides F. Alameda, G. DeNevers 1981-3-30 4876 Sonoma Pepperwood Ranch: along road to the Garrison Cabin at the SW sector of the ranch Comment
  UC852065  Claytonia gypsophiloides Alice Eastwood 1918-5-1 6819 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC94382  Claytonia gypsophiloides R. C. Wenk 2000-5-14 60 Sonoma along Calistoga Road, at intersection with Cleland Road, 0.45 miles S of intersection with St. Helena Road, Comment
  RSA388344  Claytonia perfoliata Gary Bolton 1975-4-19 3 Sonoma Bay Road, 200m E of P G & E hole, Bodega Head Comment
  SEINET11935786  Claytonia perfoliata Unknown 1987-1 70028 Sonoma S of mouth of Russian River, Goat Rock State Park, W of Coast Hwy 1, S of main entrance rd into park 9 Comment
  CAS-BOT-BC443680  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1946-3-31 21590 Sonoma Sonoma Comment
  CAS-BOT-BC443871  Claytonia sibirica Peter Rubtzoff 1964-7-3 5340 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC92743  Clematis ligusticifolia Volney Rattan 1884-6-1 s.n. Sonoma Russian River. Comment
  CAS-BOT-BC238061  Collinsia Alice Eastwood 1922-5-5 11290 Sonoma Mt. St. Helena Comment
  CHSC43170  Collinsia grandiflora Jeffrey D. Prouty 1979-4-11 223 Sonoma Ca. 7 mi n of Santa Rosa. Grassy slope ca. 100 yds w of Mark West Springs Rd. ca. 300 yds n of jctn. with Michelle Way. 164 Comment
  UCD167317  Collinsia greenei James Neilson 1977-6-7 3909 Sonoma Mayacmas Mountains, about 1/3 mi south east Lunar Point. (Location information obtained from Neilson 3911 which indicated that Lunar Point is west of Locke Cabin. Exact location unknown. Coordinates estimated by label maker.) Comment
  SBBG6867  Collinsia heterophylla H. and M. Dearing 1933-5-14 1742 Sonoma Cloverdale Comment
  SEINET12335260  Collinsia heterophylla F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -253 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  JEPS13365  Collinsia sparsiflora var. arvensis H. E. and S. T. Parks 1930-5-10 842 (793) Sonoma Knights Valley 121 Comment
  SEINET7096713  Collinsia sparsiflora var. arvensis A. G. Vestal 1962-4-11 s.n. Sonoma Serpentine 1 mile east of Occidental. NAD27 38? deg. 24' 26ao, -122?_ 55' 50ao (converted to WGS84 decimal degrees) UTM Zone 10, 555305mE, 4614022mN. Comment
  JEPS34522  Collinsia sparsiflora var. arvensis Freed W. Hoffman 1947-3-16 828 Sonoma near Guerneville (rd to Austin Ranch, headwaters of Fife Creek); North Coast Ranges Comment
  JEPS34532  Collinsia sparsiflora var. collina Freed W. Hoffman 1950-5-15 3730 Sonoma Pole Mt. near Cazadero; North Coast Ranges, Pole Mt. Comment
  UC885509  Collinsia sparsiflora var. sparsiflora Alice Eastwood May 1918 6818 Sonoma Mount St. Helena Comment
  UC1238979  Collinsia tinctoria Freed W. Hoffman 1948-8-2 2356 Sonoma Spring Mountain Road to St. Helena near summit St. Helena; North Coast Ranges, Spring Mountain Road 609 Comment
  UCR265108  Collinsia tinctoria Ann Howald 2015-4-1 3330 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  RSA470560  Conium maculatum Christopher Davidson 1977-6-17 5878 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  CAS-BOT-BC376390  Convolvulus Greg de Nevers 1993-5-9 10440 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Just above the Pippindale-Pepperwood gate. 400 Comment
  RSA0059770  Convolvulus subacaulis Robert F. Thorne 1965-4-19 34289 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC286004  Conyza bonariensis Walter Knight; Irja Knight 1963-9-1 215 Sonoma Magnolia Ave., Petaluma Comment
  CAS-BOT-BC288918  Conyza canadensis Catherine Best 1983-10-12 909 Sonoma At the edge of the Bodega Highway, 2 miles W of Freestone Comment
  POM232055  Conyza canadensis Roxana S. Ferris 1937-8-18 9369 Sonoma Dunes near mouth of Salmon Creek on Bodega Bay Comment
  SD56667  Corallorhiza maculata Darley F. Howe 1963-7-3 3591 Sonoma 20 miles north of junction with #12 on #1, under redwoods. Comment
  UC845215  Corallorhiza maculata Juanita Charles 1932-4-16 5675 Sonoma along road to Plantation one mi beyond residence of Mr. Charles Comment
  CAS-BOT-BC371465  Cordylanthus Greg de Nevers 1989-11-2 9118 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Top of Telegraph Hill. 400 Comment
  CDA41356  Cordylanthus pilosus G. D. Barbe 1989-8-4 4356 Sonoma East of Dan Galvin Park, east of Matanzas Creek off Bennett Valley Road, south of Annadel State Park, South Santa Rosa. 0 Comment
  JEPS25067  Cordylanthus pilosus subsp. pilosus Joseph P. Tracy 1930-9-1 9172 Sonoma Knights Valley Northern Coast Ranges 182 Comment
  UC1239006  Cordylanthus pilosus subsp. pilosus Freed W. Hoffman 1946-8-14 783 Sonoma e of Camp Meeker Comment
  UC444905  Cordylanthus pilosus subsp. pilosus V. King Chestnut 1887-7 Sonoma Santa Rosa Comment
  JEPS83652  Cordylanthus pringlei R. Raiche 1987-6-20 70332 Sonoma N of Cazadero, The Cedars, Red Slide Creek at Rede Slice Falls. 304 Comment
  UCD151307  Cordylanthus tenuis subsp. brunneus James A. Neilson Jr. 1974-7-31 2863 Sonoma Mayacmas Mountains. North of Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  JEPS69347  Cordylanthus tenuis subsp. capillaris T. I. Chuang, F. M. Chuang and Carl Chuang 1972-7-22 7075 Sonoma 2 mi n Occidental (on Harrison Grade Road) Comment
  RSA107417  Cordylanthus tenuis subsp. capillaris L. S. Rose 1955-7-11 s.n. Sonoma 2 miles NE of Occidental 244 Comment
  RSA0057952  Cornus Greg de Nevers 1998-5-25 11266 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC212290  Cornus glabrata Peter Rubtzoff 1951-6-7 109 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  RSA223352  Cornus glabrata Peter Rubtzoff 1958-8-9 3861 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  CAS-BOT-BC210431  Cornus sericea G. DeNevers 1981-5-2 907 Sonoma Pepperwood Ranch. Confluence of Leslie Creek and Mark West Creek Comment
  CAS-BOT-BC210440  Cornus sericea John Thomas Howell 1945-7-18 21317 Sonoma Pitkin Marsh 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
  CAS-BOT-BC210472  Cornus sericea subsp. occidentalis Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy. 1 mile north of Freestone Comment
  CAS-BOT-BC210473  Cornus sericea subsp. occidentalis A. A. Heller 1902-7-1 5796 Sonoma Lagoon at Sebastopol Comment
  UC1784134  Coronopus didymus Ethel Crum 1930-1 Sonoma Petaluma Comment
  CDA13750  Corylus cornuta var. californica G. F. Hrusa, R. Gross 1997-2-1 13620 Sonoma North Coast Ranges; Kortum Canyon Rd., approx. 1/4 mi. W of Hwy 29, immed. W of downtown Calistoga. Comment
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Jul 28 2008
  SACT002819  Corylus cornuta var. californica R. Darby 1940-3-11 Sonoma Chaparrl, humid transitional zone in deep black loam. 6.5 miles southwest of Sebastopol. 1 mile west of Burnside. Shrubs 5 feet high, herbage rounded beneath flowers. Comment
  CAS-BOT-BC290301  Cotula coronopifolia Greg de Nevers; Frank Almeda 1987-4-11 8151 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC173671  Cotula coronopifolia Peter Rubtzoff 1959-6-6 4101 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC210150  Cotula coronopifolia Peter Rubtzoff 1954-8-13 1718 Sonoma Bodega Head Marsh. Comment
  UCD130907  Cotula coronopifolia R. N. Raynor 1939-3-20 s.n. Sonoma Black Paint. Comment
  CAS-BOT-BC427646  Crassula aquatica Greg de Nevers 1993-5-30 10461 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 457 Comment
  CAS-BOT-BC427647  Crassula aquatica Greg de Nevers 1992-7-21 10221 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 457 Comment
  CAS-BOT-BC427659  Crassula aquatica Peter Rubtzoff 1969-6-14 6074 Sonoma 6.5 mi. northeast of Penngrove, on Lichau Road 426 Comment
  JEPS75423  Crupina vulgaris Ken Stocking 1976-6-27 Sonoma se of Bennett Valley golf course (City of Santa Rosa land); Santa Rosa Comment
  UC1561763  Crupina vulgaris Nancy Harrison 1990-5-19 Sonoma Junction of Spring Creek Trail with paved trail across dam; Annadel State Park Comment
  SEINET11686587  Crypsis W. Knight, Knight, I.; Edwards, S. W. 1984-1 5041 Sonoma along Willow Creek between Denman Flat & Corona Road, near Petaluma 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
  UCD60004  Crypsis vaginiflora Peter Rubtzoff 1971-8-9 6631 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC361289  Cryptantha Greg de Nevers 1993-5-6 10433 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa At Weimar Flat 457 Comment
  UC78074  Cryptantha leiocarpa Katharine Brandegee 1905-1 Sonoma Bodega Head 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
  CDA11916  Cupressus macnabiana G. F. Hrusa, G. L. Stebbins 1994-4-8 11735 Sonoma North Coast Biodiversity Arena; Small tree 5 meters tall. Large population at Cavedale Edaphic Island, Cavedale Rd. approx. 2.7 m E of Hwy 12. Population varies toward C. sargentii and is associated with Quercus aff. durata, but no serpentine present in area. Comment
  CDA12255  Cupressus macnabiana G. F. Hrusa, J. M. Tucker, G. L. Webster 1994-10-29 11921 A Sonoma North Coast Biodiversity Arena; Grove of small trees to 10 meters tall on Cavedale Rd. approx. 2.7 m E of Hwy 12. Rhyolitic ash substratum, assoc. w/ Pinus attenuata, Arctostaphylos stanfordiana, Salvia sonomensis, Solidago spathulata, Xerophyllum tenax. Comment
  HSC100102  Cupressus macnabiana J. P. Smith, & J. O. Sawyer 2010-4-26 12721 Sonoma 641 Comment
  CAS-BOT-BC85460  Cupressus sargentii John Thomas Howell 1931-9-26 8092 Sonoma Serpentine outcrop 2 miles from Monte Rio on road to Camp Meeker Comment
  RSA6472  Cupressus sargentii Jens Clausen 1933-3-26 749 Sonoma Summit of Harrison Grade, between Graton and Occidental Comment
  UC570367  Cupressus sargentii Chas. M. Belshaw 1936-3-8 1557 Sonoma 2 mi ne Occidental; North Coast Range Comment
  CAS-BOT-BC320510  Cynodon Peter Rubtzoff 1970-9-13 6385 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  UCD60066  Cynodon dactylon Beecher Crampton 1964-8-18 7140 Sonoma Northeast Sonoma County: 'The Geysers'. Comment
  UCR248761  Cynodon dactylon Peter Rubtzoff 1971-8-23 6658 Sonoma Meacham Road, 0.35 miles south of Stony Point Road 75 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
  UCD37117  Cynodon plectostachyus Beecher Crampton 1957-5-15 4042 Sonoma 4-5 miles southwest of Healdsburg, Foreman Lane, Frank C. Grace Ranch. Comment
  POM63635  Cynoglossum grande A. A. Heller, H. E. Brown 1902-3-14 5052 Sonoma Near Santa Rosa Comment
  UC24750  Cynoglossum grande W. A. Setchell 1898-3-15 Sonoma Cloverdale Comment
  UC480633  Cynoglossum grande Carl Meyer 1928-3-3 315 Sonoma Santa Rosa Comment
  UCD60140  Cynosurus echinatus Gerry North 1993-4 47 Sonoma Flora of Sugarloaf Ridge State Park. Ca. 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood and 18 air miles northwest of Napa. At first pullout on right after Goodspeed trailhead, less that 0.2 mile east of park entrance gate. 243 Comment
  UCR218630  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2010-6-4 16205 Sonoma North Coast Ranges, Mark West Springs Road, 1.7 rd. miles east of US-101, 2.5 air miles NE (75 deg. ) of Fulton 63 Comment
  UCSC000023  Cynosurus echinatus F. W. Hoffman 1941-6-3 s.n. Sonoma Roadside, near Guerneville Comment
  CAS-BOT-BC376324  Cyperus Greg de Nevers 1993-5-30 10462 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 457 Comment
  CAS-BOT-BC114519  Cyperus eragrostis Walter Knight; Irja Knight 1963-10-1 381 Sonoma Railroad Ave & freeway, Cotati. Comment
  UCD141039  Cyperus eragrostis Mary M. Hektner 1974-9-12 184 Sonoma along Sea Gate Road, Unit 7 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC114341  Cyperus esculentus Peter Rubtzoff 1987-9-27 9858 Sonoma Russian River at Forest Hills, ca. 6 mi E of Guerneville. Comment
  UC688870  Cyperus niger Freed Hoffman 1943-10-26 Sonoma overflow pool of Russian R. Guerneville Comment
  UC410708  Cypripedium californicum A. L. Graff 1928-5-22 Sonoma headwaters of Austin Creek Comment
  UCD167422  Cypselea humifusa Peter Rubtzoff 1975-8-26 8358 Sonoma Bennett Mountain Lake. 361 Comment
  CAS-BOT-BC189848  Dactylis glomerata Mary P. Wells 1984-5-24 299 Sonoma Annadel State Park (near Santa Rosa). Comment
  CAS-BOT-BC445564  Damasonium californicum Peter H. Raven 1963-4-28 18253 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  JEPS73354  Damasonium californicum Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 760 Sonoma 1 mi. w. Two Rock junction Comment
  CAS-BOT-BC445554  Damasonium californicum Peter Rubtzoff 1965-6-20 5559 Sonoma Petaluma Creek 4 mi. northwest of Petaluma (on Stony Point Rd). Comment
  CAS-BOT-BC445561  Damasonium californicum David L. Morgan 1961-4-25 s.n. Sonoma 3 mi. SW of Cotati, junc. of Pepper and Meacham Rds growing in Stemple Creek Comment
  CAS-BOT-BC192269  Danthonia californica Peter Rubtzoff 1951-6-17 267 Sonoma Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC192282  Danthonia californica H. S. Yates 1937-5-30 6540 Sonoma 1 1/2 miles N. N. E. of Graton Comment
  CAS-BOT-BC192283  Danthonia californica Peter Rubtzoff 1951-6-17 267 Sonoma Eastern branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  JEPS128374  Danthonia californica Roger Raiche 2000-5-4 065 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD21145  Danthonia californica Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 320 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  UCD60470  Danthonia californica H. S. Yates 1936-5-16 5579 Sonoma 1 mile NE of Graton. 30 Comment
  UCD60485  Danthonia californica Beecher Crampton 1957-7-22 4385 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCD60515  Danthonia californica R. Tofsrud 1948-6-24 s.n. Sonoma Arata Ave. just off Hwy. 101, nort of East Windsor. Comment
  UCD61031  Danthonia californica Gerry North 1993-4 37 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At lower camping area, 50 m E of foot bridge. 365 Comment
  UCD60499  Danthonia californica R. Tofsrud 1947-6-16 s.n. Sonoma 1 mi. N. of Valley Ford. Comment
  CHSC100548  Danthonia californica var. americana Beecher Crampton 1965-5-13 7339 Sonoma Ca. 8.5 miles SE of Geyserville, south end of Alexander Valley, jct. of Calistoga (Hwy 128) and Chalk Hill Roads. Comment
  UCD60685  Danthonia californica var. americana P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UCD60686  Danthonia californica var. americana R. Tofsrud 1941-4-1 27 Sonoma Near Wright School. Comment
  SEINET10912493  Danthonia californica var. americana B. Crampton 1963-5-27 Crampton 6811 Sonoma Alexander Valley, state Hwy. 128, ca. 8 miles SE of Geyserville. Roadside ditch at base of foothill slope. Comment
  CDA5765  Datura stramonium T. C. Fuller 1957-12-17 Sonoma 1 mile north of Petaluma. 0 Comment
  SJSU710  Daucus carota A. W. Jacobs 1941-7-25 Sonoma W bank Russian R near Hilton Comment
  UCD127390  Daucus carota G. F. Hrusa 1998-11-29 14907 Sonoma mowed field across from furthest south residence. Comment
  RSA0009663  Daucus pusillus Marcus E. Jones 1931-7-5 29093 Sonoma West of Cloverdale. Comment
  CAS-BOT-BC293811  Deinandra corymbosa Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  UC220564  Deinandra kelloggii Dr. Edward Palmer 1892-6-27 2679 Sonoma Petaluma Comment
Read comments
Apr 16 2019
  UC914291  Delphinium decorum subsp. decorum Verne Grant and Alva Grant 1947-5-4 7954 Sonoma 1 mi from Bodega Bay (on road to Bodega) Comment
  CAS-BOT-BC10341  Delphinium hesperium Joseph Whipple Congdon 1880-6-1 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC10349  Delphinium hesperium Roxana Stinchfield Ferris; L. Lorraine 1961-6-14 13540 Sonoma 1 mile on Joy Road from junction with Bodega Highway Comment
  CAS-BOT-BC10007  Delphinium hesperium Alice Eastwood 1916-6-5 4599 Sonoma Petrified Forest on Calistoga Road Comment
  CAS-BOT-BC10344  Delphinium hesperium Ella D. Cantelow 1938-5-15 2408 Sonoma About 5 mi. E of Geyserville near foot of grade to The Geysers Comment
  CAS-BOT-BC10128  Delphinium luteum A. A. Heller 1940-5-17 15634 Sonoma On State Highway #1, a mile or so east of Bodega Bay Comment
  CAS-BOT-BC9899  Delphinium nudicaule Mary Hallett 1925-3-1 s.n. Sonoma Graton Comment
  UC1126017  Delphinium nudicaule E. Armstrong 1934-3-26 953 Sonoma 1 mi nw Camp Meeker; Sebastopol Quadrangle 121 Comment
  UC635362  Delphinium nudicaule H. L. Mason 1930-6-1 5643 Sonoma mouth Gualala River Comment
  CAS-BOT-BC8014  Delphinium nudicaule Elsa G. Ruckert 1960-3-23 41 Sonoma Triniti Road, 0.75 mi. from junction of Highway 12 243 Comment
  HSC24994  Delphinium nudicaule D. Sutherland, R. Spellenberg, A. Sylvester 1345 Sonoma 12 mi. W of Big Geysers along Sulphur Creek Comment
  POM151019  Delphinium nudicaule Michener, Bioletti 1893-4-25 s.n. Sonoma [Unspecified] Comment
  UC424806  Delphinium nudicaule Milo S. Baker 1930-4-5 3930 C Sonoma on Coast rd near Russian River Comment
  JEPS86296  Delphinium patens Jack and Betty Guggolz 1989-5-5 1009 Sonoma Comment
  JEPS83462  Delphinium patens subsp. patens Jack and Betty Guggolz 1985-4-27 699 BG Sonoma e Spring Lake; Spring Meadows (tentative subdivision) Comment
  POM302103  Delphinium variegatum H. C. Cantelow 1940-4-6 s.n. Sonoma 1/2 miles S of Shellville Comment
  CAS-BOT-BC7770  Delphinium variegatum subsp. variegatum John Thomas Howell 1941-4-5 16175 Sonoma 1 mile S of El Verano Comment
  JEPS128274  Dendromecon rigida Roger Raiche 2000-4-23 047 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. 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
  POM313170  Deschampsia cespitosa subsp. cespitosa H. L. Mason 1946-7-4 12885 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  RSA63696  Deschampsia cespitosa subsp. cespitosa Milo S. Baker 1950-5-20 12221 Sonoma Hope Valley on wood road opposite the old Chamberlain Ranch House near Kenwood Comment
  UC1100296  Deschampsia cespitosa subsp. cespitosa Herbert L. Mason 1946-7-4 12885 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  CAS-BOT-BC192616  Deschampsia cespitosa subsp. holciformis David L. Morgan 1961-5-7 s.n. Sonoma North of Jenner Comment
  CAS-BOT-BC192617  Deschampsia cespitosa subsp. holciformis Mary P. Wells 1981-8-2 s.n. Sonoma Path to garden from Timber Ridge Road, The Sea Ranch Comment
  UCD63759  Deschampsia cespitosa subsp. holciformis Virginia Bufford 1936-5-1 165 Sonoma Larkspur Rock--Bodega Canyon. Comment
  CAS-BOT-BC376437  Deschampsia danthonioides Greg de Nevers 1997-5-13 10999 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat. 400 Comment
  RSA785371  Deschampsia danthonioides Peter Rubtzoff 1971-6-5 6510 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Road. Comment
  RSA126943  Deschampsia elongata H. S. Yates 1936-5-16 5607 Sonoma 1 mile N.W. of Mountain View School; Sebastopol 91 Comment
  UCD63734  Deschampsia elongata P. B. Kennedy 1916-7-17 Sonoma Del Mar. Comment
  UCR280140  Deschampsia elongata Peter Rubtzoff 1971-6-25 6560 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  CAS-BOT-BC208930  Dichanthelium acuminatum subsp. acuminatum Peter Rubtzoff 1951-6-30 295 Sonoma Western branch of NE Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC209248  Dichanthelium acuminatum subsp. acuminatum R. Spellenberg 1966-9-7 1618 Sonoma The Geysers, along Sulphur Creek downstream from the geysers area. 100 Comment
  SEINET242405 Image available Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-18 7139 a Sonoma NE Sonoma County, the Geysers, 12 miles (in direct line) E of Cloverdale, ca. 1/2 mile E of Geyser Resort area 494 Comment
  SEINET242425 Image available Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-18 7139 f Sonoma NE Sonoma Co, The Geysers, 12 mi east of Cloverdale, ca. 1.2mi E of Geyser Resort area, slope of steam well no. 10 494 Comment
  RSA126984  Dichanthelium acuminatum var. fasciculatum H. S. Yates 1936-5-16 5589 Sonoma 2 miles SE of Forestville 30 Comment
  HSC104249  Dichanthelium lanuginosum var. thermale R. York, Sally de Becker, Laurie Wickenheiser, Joe O'Hagan 1990-7-24 90001 Sonoma The Little Geysers, south of Little Geysers Creek Comment
  UC421854  Dichelostemma capitatum Milo S. Baker 1898-3-1 701 Sonoma near Santa Rosa Comment
  CHSC57543  Dichelostemma capitatum subsp. capitatum Shelly A. Kirn 1991-3-28 1 Sonoma Ca. 50 yds e of Hwy 101, 0.5 mi n of Cloverdale. 97 Comment
  UCD55137  Dichelostemma congestum Ellen Dean; Tammie Beyerl 2006-4-28 3019 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 179 Comment
  JEPS30801  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma five mi n Jenner Comment
  RSA39845  Dichondra donelliana Vanderwal 1941-11-6 s.n. Sonoma Frank Silva property, Sebastopal. Comment
  CAS-BOT-BC183609  Digitaria Peter Rubtzoff 1971-8-23 6656 Sonoma Meacham Road, 0.35 mi. S of Stony Point Road. Comment
  CAS-BOT-BC183610  Digitaria Peter Rubtzoff 1971-8-23 6655 Sonoma Meacham Road, 0.35 mi. S of Stony Point Road. Comment
  UCR255869  Digitaria sanguinalis Greg de Nevers 1996-9-23 10879 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 476 Comment
  UCR10208  Dirca occidentalis Milo S. Baker 1942-5-20 10197 Sonoma 2 mi west of Bodega town on a road which turns right within the town Comment
  RSA0022417  Distichlis Peter Rubtzoff 1971-8-23 6644 Sonoma Stony Point Road, just S of Hwy 116. Comment
  RSA0022418  Distichlis Peter Rubtzoff 1971-8-23 6646 Sonoma Spring Hill Road, 0.8 miles SE of Bodega Hwy (of Two Rock Church). Comment
  CAS-BOT-BC182763  Distichlis spicata Peter Rubtzoff 1962-7-14 5000 Sonoma Lower Salmon Creek Marsh. Comment
  RSA796172  Distichlis spicata Peter Rubtzoff 1962-7-14 5000 Sonoma Lower Salmon Creek Marsh. Comment
  UCD64557  Distichlis spicata Beecher Crampton 1957-7-11 4315 Sonoma At the western edge of Bodega Harbor, about 2 miles by road, west of the town of Bodega Bay. Comment
  UCR248899  Distichlis spicata Peter Rubtzoff 1970-5-30 6234 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  UC73554  Dodecatheon hendersonii Milo S. Baker 1898-4 734 Sonoma ne Santa Rosa; ne of Santa Rosa Comment
  UCD160145  Dodecatheon hendersonii James A. Neilson Jr. 1974-4-16 3158 Sonoma Mayacmas Mountains, upper Squaw Creek. (Elevation estimated using Google Earth by label maker.) 975 Comment
  SD130505  Dodecatheon hendersonii F. Alamda, G. DeNevers 1981-3-30 4895 Sonoma Pepperwood Ranch, streambank in vicinity of the Redwood Canyon Comment
  CDA13124  Downingia concolor G. F. Hrusa, R. Gross 1996-6-3 13059 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  JEPS14425  Downingia concolor var. concolor W. L. Jepson 1921-6-3 9313 Sonoma Cotati Valley, at Wilfrid sta. Cotati Valley Comment
  UC1244025  Downingia concolor var. concolor John H. Weiler 1960-4-22 60101 Sonoma 3.0 mi n Agua Caliente (or 1.7 mi n of the turn to the Sonoma State Home, on the w side of State Highway 12) Comment
  RSA181927  Downingia concolor var. concolor John Weiler 1960-4-22 60101 Sonoma State Hwy 12; 1.7 miles N of the turn to the Sonoma State Home or 3.0 miles N of Agua Caliente. 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
  JEPS3102  Downingia cuspidata F. T. Bioletti 1893-6-10 Sonoma Los Guilucos Valley; ; Los Guilucos Valley, Sonoma Co. Comment
  SEINET6059388  Downingia cuspidata Unknown 1976-6-5 8581 Sonoma False Lake Meadow area. Annadel State Park. Comment
  JEPS103635  Downingia pusilla Lisa Schultheis 1995-5-15 148 -95 Sonoma Santa Rosa. Alton Lane, approximately 0.25 miles W of Fulton Road Comment
  UC28975  Downingia pusilla F. T. Bioletti 1892-1 Sonoma Comment
  CAS-BOT-BC159464  Drymocallis glandulosa var. glandulosa John Thomas Howell 1930-6-8 5289 Sonoma Rocky slope overlooking the ocean, 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC159461  Drymocallis glandulosa var. glandulosa Milo S. Baker 1931-5-22 5213 Sonoma Bennett Val. Road, just south of summit, between Santa Rosa and Glen Ellen Comment
  POM35446  Drymocallis glandulosa var. wrangelliana A. A. Heller 1903-4-25 6598 Sonoma Fort Ross. Comment
  SEINET3859844 Image available Drymocallis wrangelliana A. A. Heller 1903-4-25 6598 Sonoma Fort Ross.; 0 Comment
  CAS-BOT-BC71012  Dryopteris arguta John H. Thomas 1976-6-18 18361 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville Comment
  UCR222528  Dryopteris arguta George K. Helmkamp, E. A. Helmkamp 2010-6-5 16249 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  CAS-BOT-BC71023  Dryopteris arguta G. DeNevers 1981-4-25 853 Sonoma Mark West Creek and Leslie Creek confluence Comment
  CAS-BOT-BC71075  Dryopteris expansa J. Burtt Davy 1896-3-13 s.n. Sonoma near Duncan's Mill Comment
  UC725574  Dudleya cymosa A. A. Heller 1940-5-10 15609 Sonoma along Wheatfield Fork of Gala River (on the Stewart Point-Skagg's Spring Rd) Comment
Read comments
Nov 20 2018
  CAS-BOT-BC210080  Echinochloa Peter Rubtzoff 1976-8-29 8835 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC176200  Echinochloa crus-galli Peter Rubtzoff 1956-9-14 2861 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCR280185  Echinochloa crus-galli Peter Rubtzoff 1958-7-20 3794 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road) 30 Comment
  CAS-BOT-BC197222  Echinochloa crus-pavonis Walter Knight; Irja Knight 1963-10-3 353 Sonoma Bennett Valley Comment
  UCD60945  Echinochloa crus-pavonis Virginia Bufford 1935-9-8 79 Sonoma Pitkins Yard, Vine Hill District. Comment
  CAS-BOT-BC257351  Eleocharis Peter Rubtzoff; Nancy Harrison 1974-9-7 7881 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  RSA800160  Eleocharis Peter Rubtzoff, Nancy Harrison 1974-9-7 7881 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  CAS-BOT-BC113728  Eleocharis acicularis Peter Rubtzoff 1955-4-23 1778 Sonoma Bennett Mt. Lake. Comment
  CAS-BOT-BC112195  Eleocharis radicans Peter Rubtzoff 1951-9-2 702 Sonoma Pitkin Marsh, near Forestville: Southern half of Lower Marsh Comment
  CAS-BOT-BC112199  Eleocharis radicans Peter Rubtzoff 1954-7-29 1611 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC112200  Eleocharis radicans Peter Rubtzoff 1965-8-22 5619 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  UC1026470  Eleocharis radicans Peter Rubtzoff 1951-7-14 418 Sonoma near Forestville (Pitkin Marsh, Lower Marsh, southern half) Comment
  CAS-BOT-BC112166  Eleocharis radicans Peter Rubtzoff 1951-7-14 446 Sonoma Southern half of the Lower Marsh. Comment
  CAS-BOT-BC213785  Elymus X hansenii D. E. Breedlove 1980-6-28 44805 Sonoma Pepperwood Ranch W of Knights Valley Comment
  JEPS45815  Elymus californicus Eleanor Armstrong 1932-5-23 167 Sonoma 1 mi w of Camp Meeker (near coast) 91 Comment
  UC1146595  Elymus californicus Freed W. Hoffman 1943-5-19 2202 Sonoma North Coast Ranges, Sonoma Coast, Russian Gulch Russian Gulch; North Coast Ranges, Sonoma Coast, Russian Gulch Comment
  UC573713  Elymus glaucus H. S. Yates 1937-6-6 6580 Sonoma 8 mi sw Healdsburg; Healdsburg Quadrangle Comment
  UCD61858  Elymus glaucus August L. Hormay 1932-6-19 Sonoma Mt. St. Helena. Comment
  UCD62300  Elymus glaucus R. Tofsrud 1942-8-1 50 Sonoma Sonoma Co. Comment
  CAS-BOT-BC203715  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-10 1229 B Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC203719  Elymus glaucus subsp. glaucus G. DeNevers 1981-5-9 1034 Sonoma Pepperwood Ranch. Just above the old Strebel Homestead Comment
  UCD62374  Elymus glaucus subsp. glaucus R. Tofsrud 1941-4-1 47 Sonoma Mc Donald Reservoir. Comment
  JEPS27967  Elymus multisetus Rimo Bacigalupi and L. Heckard 1961-6-9 7740 Sonoma at junction of Joy Rd and Bittner Road (1.75 mi sw of Occidental) 249 Comment
  UCD84285  Epilobium Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCD166203  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1969-8-26 6150 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  CAS-BOT-BC262971  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1520 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. 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
  CAS-BOT-BC268117  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1970-6-21 6270 Sonoma Sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  RSA800031  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-23 1977 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC262974  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-7-29 1607 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC300482  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5338 Sonoma Bodega Bay Marsh. Comment
  UCR248959  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5339 Sonoma Bodega Bay Marsh 15 Comment
  UCD55338  Epilobium densiflorum Ellen Dean 2006-6-28 3182 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. In southeast part of vineyard where a new reservoir is planned 169 Comment
  CAS-BOT-BC262799  Epilobium hallianum Peter Rubtzoff 1962-6-1 4855 Sonoma Freestone Marsh. Comment
  UC762773  Epilobium minutum R. F. Hoover 1939-4-18 4040 Sonoma Occidental Comment
  UCD165166  Epilobium torreyi Peter Rubtzoff 1974-5-26 7491 Sonoma 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173545  Equisetum Peter Rubtzoff 1973-8-21 7254 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC57043  Equisetum arvense Peter Rubtzoff 1951-6-30 300 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC57209  Equisetum hyemale subsp. affine Peter Rubtzoff 1952-5-31 1104 Sonoma Western branch of the Upper Marsh Comment
  UCR255026  Equisetum hyemale subsp. affine Greg de Nevers 1993-5-16 10447 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  RSA94454  Equisetum hyemale var. affine Peter Rubtzoff 1951-6-10 191 Sonoma The Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC57814  Equisetum laevigatum Dorothy Scherer 1996-4-8 022 Sonoma Kolmer Gulch, w. of Hwy 1, ca. 100' from ocean, Fort Ross State Historic Park. 0 Comment
  CAS-BOT-BC312692  Eragrostis Peter Rubtzoff 1975-9-13 8381 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  UCD62972  Eragrostis cilianensis L. Whitney 1935-10-2 3634 Sonoma Santa Rosa. 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-BC213571  Eragrostis hypnoides John Thomas Howell 1955-9-13 30913 Sonoma Sand bar of Russian River at Odd Fellows Park above Guerneville. Comment
  CAS-BOT-BC366888  Eragrostis mexicana subsp. virescens Greg de Nevers 1997-9-29 11096 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  UCD64315  Eragrostis pectinacea Beecher Crampton 1953-11-18 1736 Sonoma 10 miles northwest of Calistoga, along State Highway 128. Comment
  CAS-BOT-BC284190  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1970-9-2 6356 Sonoma Russian River at Mirabel Park Comment
  UC615573  Eremocarpus setiger Beryl O. Schreiber 1933-8-10 925 Sonoma 3 mi s Kenwood Comment
  CAS-BOT-BC131606  Ericameria arborescens Greg de Nevers 1990-10-2 9683 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road, Devils Kitchen 457 Comment
  CAS-BOT-BC131607  Ericameria arborescens F. G. Krauss 1893-10-8 s.n. Sonoma Krauss Ranch, 5 mi. W. of Calistoga Comment
  CAS-BOT-BC368007  Ericameria arborescens Greg de Nevers 1989-9-5 9100 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  SD40110  Ericameria ericoides subsp. ericoides Edith A. Purer 1932-7-19 Sonoma Bodega Bay 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
  POM55490  Erigeron glaucus A. A. Heller, H. E. Brown 1902-5-27 5609 Sonoma Bodega Bay Comment
  SD40124  Erigeron glaucus Edith A. Purer 1932-7-24 4080 Sonoma Bodega Bay Comment
  JEPS87223  Erigeron philadelphicus var. philadelphicus Jack and Betty Guggolz 1992-5-17 1302 Sonoma on the w side Black Mountain (e of Geyserville, Anderson Trail) 585 Comment
  CAS-BOT-BC300249  Erigeron reductus var. angustatus G. DeNevers 1981-6-6 1451 Sonoma Pepperwood Ranch. Franz Valley Road Comment
  CDA11915  Eriodictyon californicum G. F. Hrusa, G. L. Stebbins 1994-4-8 11733 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, Cavedale Rd. approx. 2.7 m E of Hwy 12. Comment
  JEPS128178  Eriodictyon californicum Roger Raiche 2001-5-17 023 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UC1124290  Eriodictyon californicum A. Lewis May 1932 123 Sonoma Calabasas Creek; Napa Quad., Calabasas Creek 457 Comment
  UC1299125  Eriodictyon californicum Freed W. Hoffman 1947-5-30 524 Sonoma Layton Mine, East Austin Creek East Austin Creek; Layton Mine, East Austin Creek Comment
  SEINET5501281 Image available Eriodictyon californicum Sally Walker 1981-5-13 Sonoma 2 mi E of Occidental Comment
  JEPS128291  Eriogonum cedrorum Roger Raiche 2008-7-26 018 .08 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  LA206932  Eriogonum latifolium John Thomas Howell; 1930-6-8 5288 Sonoma 8.5 mi. N of Bodega Bay Comment
  POM180626  Eriogonum latifolium J. T. Howell 1930-6-8 5288 Sonoma 8.5 miles north of Bodega Bay. Comment
  UCD100328  Eriogonum latifolium Frederica Bowcutt 1984-6-24 472 Sonoma Sonoma Coast State Beaches. Duncan's Landing. 4 miles S of Jenner and the mouth of Russian River. Approx. 7 miles N of Bodega Head. 12 Comment
  OBI11030  Eriogonum luteolum Robert F. Hoover 1965-6-29 9476 Sonoma North of summit on Harrison Grade, road near Occidental Comment
  CAS-BOT-BC259485  Eriogonum luteolum Gladys L. Smith 1961-9-6 1453 Sonoma Road shoulder near P.G.&E. power house, Geysers 822 Comment
  UCR44934  Eriogonum nervulosum L. F. LaPre 1985-6-7 s.n. Sonoma The Cedars, 6.5 mi NW of Cazadero near Layton, Chromite Mine, upper Austin Creek 413 Comment
  CAS-BOT-BC261698  Eriogonum nudum var. nudum David L. Morgan 1955-7-28 s.n. Sonoma 5 miles west of Petaluma Comment
  SEINET11935781  Eriogonum vimineum Unknown 1986-1 60288 Sonoma Sonoma Co. at Lake Co. line: Mayacamas Mts., Pine Mt. fireroad, ca 1/2 mi N of Ida Clayton Rd 747 Comment
  UCSB15796  Eriophyllum lanatum Breedlove, Dennis 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC301161  Eriophyllum lanatum var. achilleoides James Jokerst 1985-5-29 2384 Sonoma Near Cobb Mountain 1126 Comment
  UC494110  Eriophyllum lanatum var. achilleoides H. E. and S. T. Parks 1930-5-10 837 Sonoma Knights Valley Comment
  UCD132207  Eriophyllum lanatum var. achilleoides Gerry North 1993-4 45 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead, less than 0.2 miles east of park entrance gate. 243 Comment
  CAS-BOT-BC301280  Eriophyllum lanatum var. arachnoideum J. Clausen 1935-5-24 1086 Sonoma 5.1 mi. S. of Jenner on the Bodega road Comment
  POM66821  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan[s] Mills. Comment
Read comments
Jun 19 2012
  UCD103147  Erodium cicutarium Frederica Bowcutt 1994-5-1 1796 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. S of Sonoma Creek about 125 yards, 1/4 mile NW of confluence with Rattlesnake Creek, meadow in center of campground. Comment
  SEINET3840777  Eryngium aristulatum G. F. Hrusa 1997-7-5 14010 Sonoma Small vernal pool approximately 200 meters west of Highway 128 in drainage Blossom Creek, 2 kilometers Northwest of Tubbs Lane intersection, Quadrangle: Calistoga 7.5 200 Comment
  RSA80397  Eryngium aristulatum var. aristulatum F. W. Peirson 1925-8-8 6337 Sonoma 6 miles south of Santa Rosa Comment
  HSC92211  Eryngium armatum A. T. Austin 1990-5-23 Sonoma Fort Ross State Park, FR 42 Comment
  SD88504  Eryngium armatum Darley F. Howe 1972-6-27 Sonoma Near Pitkin Marsh. Comment
  SDSU2266  Eryngium armatum D. F. Howe 1963-7-3 3584 Sonoma 20 miles north of junction with #12 on #1. Comment
  OBI60135  Eryngium racemosum Joseph Andorfer Ewan 1935-5-13 9256 Sonoma Wright School on Sebastopal Rd Comment
  UC117685  Erysimum concinnum Alice Eastwood 1900-7-4 Sonoma Bodega Point Comment
  CAS-BOT-BC383040  Erythranthe arvensis David B. Lowry 2005-5-9 CVP Sonoma Along Coleman Valley Road, within view of the Pacific Ocean 224 Comment
  CAS-BOT-BC153623  Erythranthe inodora Peter Rubtzoff 1955-7-9 1945 Sonoma Forestville Marsh Comment
  CAS-BOT-BC153622  Erythranthe inodora Peter Rubtzoff 1969-8-14 6125 Sonoma Salmon Creek Road ca. 5 mi. west of Bodega (town) (1.1 mi. west of Finley Creek crossing); Salmon Creek margin Comment
  UC3610  Erythronium californicum W. A. Setchell 1898-3-15 Sonoma Cloverdale Comment
  CAS-BOT-BC502685  Erythronium californicum M. S. Baker 1898-4-5 s. n. Sonoma Gualala River Comment
  CAS-BOT-BC402862  Eschscholzia caespitosa W. R. Ernst 1959-5-3 543 Sonoma About 1 mile southeast of Rionido Comment
  CAS-BOT-BC402863  Eschscholzia caespitosa W. R. Ernst 1959-5-3 543 Sonoma About 1 mile southeast of Rionido Comment
  CAS-BOT-BC403695  Eschscholzia californica J. Clausen 1935-5-24 1096 Sonoma 6.5 mi. S. of Jenner, on the Bodega road Comment
  UCD158788  Eschscholzia californica James A. Neilson Jr. 1974-6-1 2882 Sonoma Mayacmas Mountains, Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  SD124796  Eschscholzia californica L. F. La Pre 1986-7-29 Sonoma Socrates Mine, ca. 9.0 miles eastnortheast of Geysserville. 914 Comment
  CAS-BOT-BC5891  Eschscholzia debilis Gwendolan Newell 1900-8-1 s.n. Sonoma Russian River Station Comment
  UC353919  Eucalyptus camaldulensis Milo S. Baker 1928-1-28 3237 b Sonoma w. side Los Guilicos Valley Comment
  CAS-BOT-BC202768  Euonymus occidentalis Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Russian River Comment
  CAS-BOT-BC202772  Euonymus occidentalis H. L. Mason 1928-7-11 4890 Sonoma Canyon 2 miles north of Fort Ross Comment
  CAS-BOT-BC202773  Euonymus occidentalis H. L. Mason 1925-11-26 2497 Sonoma Near Monte Rio Comment
  JEPS9606  Euonymus occidentalis var. occidentalis Miss Mabel White Sonoma Russian R., Camp Meeker Comment
  UC635617  Euonymus occidentalis var. occidentalis H. L. Mason 1928-7-11 4890 Sonoma canyon 2 mi. n. Fort Ross Comment
  UC635627  Euonymus occidentalis var. occidentalis H. L. Mason June 1930 5661 Sonoma mouth of Gualala R. Comment
  CAS-BOT-BC202538  Euphorbia Peter Rubtzoff 1978-8-12 9251 Sonoma Russian River at Del Rio Beach, ca. 2.5 mi. east of Healdsburg on So. Fitch Mtn. Road Comment
  CAS-BOT-BC294703  Euphorbia Peter Rubtzoff 1973-8-20 7227 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente 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-BC540835  Euphorbia Peter Rubtzoff 1969-9-21 6185 Sonoma Russian River bottom; Forest Hills, 5.5 mi E of Guerneville Comment
  UCD142412  Euphorbia oblongata Thomas C. Fuller 1985-5-31 20430 Sonoma East side of Arnold Drive; Hwy 116; just north of culvert no. 45.19; ca. 7 km. south of El Verano. Comment
  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
  UCR255523  Euthamia occidentalis Peter Rubtzoff 1956-9-15 2915 Sonoma Atascadero Creek Marsh Comment
  RSA155644  Euthamia occidentalis L. S. Rose 1960-9-14 60094 Sonoma Laguna de Santa Rosa, 2 miles east of Grafton 15 Comment
  CAS-BOT-BC239730  Fabaceae Peter Rubtzoff 1974-5-25 7457 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC418825  Fagopyrum esculentum H. K. Wagnon 1988-8-8 1797 Sonoma Spring Lake Park and environs. Adjacent to Montgomery Drive 67 Comment
  CAS-BOT-BC376309  Fallopia convolvulus Greg de Nevers 1992-8-1 10239 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 304 Comment
  UCR255671  Festuca arundinacea Greg de Nevers 1998-6-10 11276 Sonoma North Coast Range, Modini Mayacamas Preserves; Pine Flat Road, near end of town of Pine Flat 91 Comment
  UCD65939  Festuca elmeri H. S. Yates 1937-5-31 6564 Sonoma 1 mile WSW of Petrified Forest 274 Comment
  UCD151131  Festuca idahoensis James A. Neilson Jr. 1973-6-6 2976 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  CAS-BOT-BC278884  Festuca occidentalis Catherine Best 1981-6-5 s.n. Sonoma About 6 miles east of Stewarts Point on Skaggs Springs Rd. Comment
  UCR248743  Festuca octoflora Peter Rubtzoff 1976-6-5 8588 Sonoma North Coast Ranges, False Lake Meadow area, Annadel State Park 244 Comment
  UCD66269  Festuca roemeri P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  UCD66492  Festuca subuliflora P. B. Kennedy 1915-5-31 s.n. Sonoma Stewart's Point to Annapolis. Comment
  CAS-BOT-BC354068  Filago Peter Rubtzoff 1958-8-30 3943 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC354073  Filago Peter Rubtzoff; H. A. Froebe 1971-5-30 6466 Sonoma Eastern foothills of Sonoma Mtns. on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  SEINET8722897 Image available Fragaria chiloensis H. S. Reed 1947-1 215 Sonoma Bodega, altitude 50 feet, Sonoma County. 15 Comment
  UCD113202  Fragaria chiloensis R. H. Miller 1949-4-6 25 Sonoma Coast Route 1, approximately 5 miles south of Jenner. Comment
  UCSB50247  Fragaria chiloensis Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach. T6N R11W. 18 Comment
  UCR37769  Fragaria vesca A. C. Sanders 1985-1-19 5375 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  CAS-BOT-BC53283  Frangula californica subsp. californica A. A. Heller 1902-6-26 5768 Sonoma Along Sonoma creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC62972  Frangula californica subsp. tomentella Roger Raiche 1985-11-29 50900 Sonoma NE. end of town of Healdsburg on Reservoir Hill. 121 Comment
  CAS-BOT-BC218579  Fraxinus latifolia A. A. Heller; H. E. Brown 1902-3-16 5079 Sonoma Russian River near Trenton Comment
  CAS-BOT-BC218588  Fraxinus latifolia Lewis S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Creek, ne of Santa Rosa 121 Comment
  JEPS44085  Fraxinus latifolia W. L. Jepson 1903-10-4 2364 Sonoma near Guerneville; Bohemian Club Grove Comment
  UC22601  Fraxinus latifolia H. N. Bolander 1864-1 3855 Sonoma Bank of Russian River Russian River Comment
  UC22602  Fraxinus latifolia H. N. Bolander Jun 1866 Sonoma Cloverdale Comment
  CAS-BOT-BC504398  Fritillaria Saichi Kawaha 1968-4-20 320 Sonoma 1 mile northeast of Highway 12 152 Comment
  CAS-BOT-BC130186  Fritillaria affinis Stewart Wade 1927-4-1 s.n. Sonoma Healdsburg Comment
  JEPS62312  Fritillaria affinis Milo S. Baker 1942-3-27 Sonoma Bodega Bay 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
  UC75633  Fritillaria affinis Miss Emma Lobenstin 1906-1 Sonoma Valley Ford Comment
  SEINET12050173  Fritillaria affinis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -200 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 800 Comment
  UC615378  Fritillaria affinis Beryl O. Schreiber 1932-4-3 211 Sonoma e side of Mount St. Helena Mount St. Helena Comment
  CAS-BOT-BC130358  Fritillaria liliacea J. W. Congdon 1880-4-3 s.n. Sonoma Petaluma Comment
  UCD158783  Galium bolanderi James A. Neilson Jr. 1974-6-1 2768 Sonoma Mayacmas Mountains, Geyser Rock, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  CAS-BOT-BC376310  Galium murale Greg de Nevers 1993-3-30 10338 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At archeology site. 400 Comment
  RSA264738  Galium parisiense Peter Rubtzoff 1970-8-25 6341 Sonoma Austin Creek beach. 0.5 miles N of Cazadero. Comment
  JEPS6610  Galium porrigens var. porrigens Willis L. Jepson 1892-8-7 Sonoma to Knights; Alexand Valley Grade Comment
  RSA143954  Galium triflorum Roxana S. Ferris, Laura Lorraine 1961-6-14 13532 Sonoma Joy Road Grade, 1.8 miles from jct. with Bodega Hwy Comment
  CAS-BOT-BC303506  Gamochaeta ustulata David D. Keck; J. Clausen 1935-6-15 3370 Sonoma 1 mile N of Salmon Creek, N of mouth of Salmon Creek Comment
  CAS-BOT-BC303507  Gamochaeta ustulata Walter Knight; Irja Knight 1963-8-13 316 Sonoma Horseshoe Cove Comment
  JEPS34031  Gamochaeta ustulata W. L. Jepson 1931-7-19 15943 Sonoma just n Salmon Creek mouth Comment
  UCR279618  Gamochaeta ustulata Peter Rubtzoff 1962-6-19 4923 Sonoma Occidental Marsh 305 Comment
  RSA94010  Gamochaeta ustulata Peter Rubtzoff 1951-7-8 398 Sonoma Pitkin Marsh, near Forestville: Lower part of Upper Marsh Comment
  CDA10948  Garrya elliptica G. F. Hrusa, G. L. Stebbins 1994-3-28 11706 Sonoma North Coast Biodiversity Arena; Fisk Mill Parking area, Salt Point State Park. 7 Comment
  HSC8393  Garrya fremontii S. N. Wiemeyer 1962-1-28 5 Sonoma 3/4mi E of County Hospital along Chanate Rd. 213 Comment
  CAS-BOT-BC278692  Gastridium phleoides Peter Rubtzoff 1952-6-3 1148 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  UCD66570  Gastridium phleoides A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3561 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC278686  Gastridium phleoides G. DeNevers 1981-5-15 1203 Sonoma Pepperwood Ranch. Shore of Hansel's Lake Comment
  CAS-BOT-BC278693  Gastridium phleoides Peter Rubtzoff 1961-8-22 4692 Sonoma Fife Creek Marsh Comment
  JEPS102270  Gaudinia fragilis Jane Valerius and Dianne Lake 2002-6-25 s.n. Sonoma Cloverdale; scraped area NW of intersection of Asti Road and South Cloverdale exit ramp from Hwy 101. Comment
  UCD105714  Genista monspessulana Frederica Bowcutt; Kate Mawdsley 1996-3-24 2093 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 1/4 air miles SW of Red Mountain. Just E of Goodspeed Trailhead, along Adobe Canyon Road immed. N of road, just S of Sonoma Creek. 243 Comment
  UC665621  Gentiana affinis var. ovata Annetta Carter and Ethel Crum 1941-6-22 1638 Sonoma on steep ne-facing slope 3.3 mi e Bodega Bay; North Coast Ranges Comment
  UC1084424  Gentiana sceptrum G. Thomas Robbins 1938-6-23 268 Sonoma ca 10 mi w Santa Rosa (on Pitkin ranch, Vine Hill region); Vine Hill Comment
  RSA94352  Gentiana sceptrum Peter Rubtzoff 1951-7-1 337 Sonoma Pitkin Marsh, near Forestville; uppermost part of the western branch of the Upper Marsh. Comment
  SD56708  Geranium core-core Darley F. Howe 1963-8-1 3654 Sonoma 2.2 miles north of Jenner on #1 Comment
  CDA36947  Geranium molle 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
  UCD158810  Gilia capitata James A. Neilson Jr. 1974-4-16 2872 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  POM253004  Gilia capitata A. A. Heller 1937-5-9 15336 Sonoma Roadside bank in clay soil between Hopland and Mountain House. Comment
  UC931995  Gilia capitata subsp. chamissonis Verne Grant, Alva Grant 1948-7-7 8598 Sonoma eleven mi n Bodega (sand dunes near highway 1); n of Bodega Comment
  RSA83146  Gilia capitata subsp. tomentosa Verne Grant, Alva Grant 1948-7-7 8596 Sonoma 2.6 miles east of Bodega on Sebastopol-Bodega Bay Road Comment
  UC750799  Gilia millefoliata Charles B. Heiser Jr. with J. Davidson 1946-4-14 1734 Sonoma in depression on head Bodega Head Comment
  UC30183  Gilia tricolor subsp. diffusa W. H. Brewer 1862-4-18 967 Sonoma near Sonoma; near Sonoma Comment
  CAS-BOT-BC227639  Glyceria Peter Rubtzoff 1966-5-7 5707 Sonoma North side of Hessel Road, just west of Hwy. 116. Comment
  CAS-BOT-BC227642  Glyceria Peter Rubtzoff 1964-6-24 5382 Sonoma Coleman Marsh. Comment
  CAS-BOT-BC227643  Glyceria Peter Rubtzoff 1968-8-24 5935 Sonoma Upper Salmon Creek Marsh. Comment
  SEINET10717790  Glyceria P. Rubtzoff 1964-5-30 Rubtzoff 5324 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa. Comment
  SEINET10959322  Glyceria fluitans Adolph D. E. Elmer Elmer 4652 Sonoma Petaluma. Comment
  RSA786496  Glyceria leptostachya Peter Rubtzoff 1969-7-5 6109 Sonoma 5.25 mi NE of Penngrove, near Lichan Road. Comment
  RSA796404  Glyceria striata Peter Rubtzoff 1974-7-13 7673 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC166689  Gnaphalium Peter Rubtzoff 1965-11-9 s.n. Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC173574  Gnaphalium Peter Rubtzoff 1970-10-3 6403 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC166678  Gnaphalium chilense Peter Rubtzoff 1954-9-4 1725 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC166749  Gnaphalium chilense Peter Rubtzoff 1959-9-19 4276 Sonoma Vacation Beach, near Guerneville at Russian River. Comment
  CAS-BOT-BC302696  Gnaphalium palustre Peter Rubtzoff 1956-9-21 2935 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC302697  Gnaphalium palustre Peter Rubtzoff 1955-8-21 2093 Sonoma Vacation Beach, near Guerneville, along Russian River, below the dam. Comment
  RSA94307  Gnaphalium palustre Peter Rubtzoff 1951-8-19 655 Sonoma Pitkin Marsh, near Forestville: near the creek, just north of the Lower Marsh Comment
  CAS-BOT-BC164664  Gnaphalium purpureum Peter Rubtzoff 1971-6-5 6519 Sonoma Intermittent lake off wst side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UCR280127  Grindelia camporum Peter Rubtzoff 1964-7-7 5392 Sonoma Laguna de Santa Rosa, east of Graton 23 Comment
  CAS-BOT-BC305198  Grindelia hirsutula Marcus E. Jones 1931-7-5 29142 Sonoma The Geysers Comment
  JEPS41888  Grindelia hirsutula Eleanor Armstrong 1932-6-20 493 Sonoma 2 mi sw Santa Rosa; Bennett Valley 60 Comment
  JEPS86802  Grindelia hirsutula Jack and Betty Guggolz 1991-7-20 1210 Sonoma 2.25 mi nw Camp Meeker (along a road) 182 Comment
  SEINET3142907  Grindelia hirsutula M. P. Dunford 1959-10-3 559 Sonoma 1.8 mi. NE of Mark West Springs on Mark West Road Comment
  POM187850  Grindelia hirsutula var. davyi Marcus E. Jones 1931-7-5 29142 Sonoma The Geysers. Comment
  CAS-BOT-BC302255  Harmonia nutans J. Clausen 1935-5-23 1073 Sonoma Petrified Forest, near entrance Comment
  JEPS85605  Harmonia nutans Rimo Bacigalupi with Robbins and Chisaki 1956-4-17 5587 Sonoma along road 3.7 mi e beginning of Ida Clayton Rd. on Kellogg Valley side ((jct. with State rd. 128)); Mayacamas Range 685 Comment
  CDA34788  Hedera helix Peter Warner 2010-2-28 109 Sonoma Sweetwater Springs Rd., 4.7 mi. W of Westside Rd.; in redwood stand immediately along S road edge. Comment
  CDA34790  Hedera helix Peter Warner 2010-3-1 110 Sonoma State Hwy 1 at 6.77 mile marker, west of junction of Bay Hill Rd. between road and Cheney Gulch Creek. Comment
  UCD132686  Helenium autumnale Mary M. Hektner 1974-7-6 133 -A Sonoma Unit 35-B Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC309589  Helenium puberulum Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC309578  Helenium puberulum G. DeNevers 1981-6-18 1572 Sonoma Pepperwood Ranch. Pippindale Pond Comment
  RSA74081  Helianthemum scoparium var. vulgare Anonymous 1947-5-12 11765 Sonoma South slope of Sugar Loaf Peak of Hood Mt. 457 Comment
  UC754291  Helianthus bolanderi R. Bacigalupi 1948-3-6 2853 Sonoma The Geysers, just above the resort. Comment
  UCD132899  Helianthus bolanderi K. Esau 1935-7-19 s.n. Sonoma near Petaluma. Comment
  JEPS86760  Helianthus californicus Jack and Betty Guggolz 1990-9-9 1088 Sonoma between Cloverdale and the Asti crossing (Russian River bed); Russian River 79 Comment
  CAS-BOT-BC262967  Hemizonia Peter Rubtzoff 1956-9-16 2927 Sonoma Vacation Beach, near Guerneville, along Russian River. 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
  RSA81606  Hemizonia congesta James I. McMurphy 1908-9-26 s.n. Sonoma Foothills E of Fulton. Comment
  CAS-BOT-BC371447  Hemizonia congesta subsp. congesta Greg de Nevers 1998-6-9 11270 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Cresta Road. 400 Comment
  CAS-BOT-BC306218  Hemizonia congesta subsp. congesta H. M. Hall 1931-5-26 13079 Sonoma Six miles northwest of Petaluma 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-BC309700  Hemizonia congesta subsp. lutescens L. R. Abrams 1907-8-1 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC309732  Hemizonia congesta subsp. lutescens Roxana S. Ferris; Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental Road with Facendini Lane Comment
  HSC5814  Hemizonia congesta subsp. lutescens L. S. Rose 1964-8-26 64067 Sonoma 5 mi. NE of Penngrove 244 Comment
  JEPS119475  Hemizonia congesta subsp. lutescens Ann Howald 2011-8-30 2808 Sonoma North Coast Ranges: eastern Petaluma Valley, Manor Lane, 0.5 mi north of intersection with Old Adobe Road. Comment
  UC897704  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-10-1 6052 Sonoma along College Ave. Hwy., the Laguna border Comment
  CAS-BOT-BC309678  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 714 Sonoma On road to Petaluma, 4-1/2 miles south of Santa Rosa Comment
  CAS-BOT-BC309689  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 Comment
  CAS-BOT-BC309719  Hemizonia congesta subsp. lutescens H. M. Hall 1931-5-28 13104 Sonoma Bodega Bay Comment
  CAS-BOT-BC309733  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-1 5718 Sonoma Halfway up Meeker Grade Comment
  CAS-BOT-BC309945  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 miles ne. of Penngrove 426 Comment
  OBI16224  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1966-7-17 9916 Sonoma Sausal crk N of Alexander Valley Comment
  CDA6976  Hemizonia corymbosa T. C. Fuller 1981-9-9 20386 Sonoma Bodega Harbor subdivision just south of Bodega Bay. 0 Comment
  SEINET11845321  Hemizonia multicaulis subsp. vernalis C. F. Quibell 1976-1 1369 Sonoma Marshall-Petaluma Rd Comment
  OBI7229  Hesperocyparis sargentii H. E. McMinn 1936-4-5 4405 Sonoma 2 mi N of Occidental Comment
  UCD167528  Hesperolinon californicum James Neilson 1979-6-26 3980 Sonoma Mayacmas Mountains, between Big and Little Sulphur Creeks, about 3/4 miles north Contact Mine, northwest Socrates Mine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA63651  Hesperolinon clevelandii Milo S. Baker 1947-5-7 11743 Sonoma Southwest slope of Hood Mt. above Baker ranch. 213 Comment
  CAS-BOT-BC361350  Hesperolinon spergulinum Greg de Nevers 1997-4-24 10960 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS32295  Hesperolinon spergulinum W. L. Jepson 1923-6-28 10008 Sonoma Kenwood Sonoma Canyon 365 Comment
  UC1212381  Hesperolinon spergulinum Helen K. Sharsmith 1947-5-30 4104 Sonoma ca 1 mi beyond origin of Pine Flat road from Alexander Valley (canyon of Saysal Creek); Inner North Coast Ranges, Mayacamas Range, Saysal Creek 182 Comment
  UC1212400  Hesperolinon spergulinum Milo S. Baker 1946-7-4 11525 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  UC1212402  Hesperolinon spergulinum Herbert L. Mason 1946-7-4 12901 Sonoma 2 mi e Occidental; Inner North Coast Ranges Comment
  UCD110532  Hesperolinon spergulinum Helen K. Sharsmith 1952-7-23 4168 Sonoma 1.1 mile northeast of Skagg's Springs. 106 Comment
  SEINET11908933  Heteromeles arbutifolia W. Knight, Knight, I. 1981-1 3965 Sonoma 2.3 mi up Cavedale Rd. from jct of State Rt. #12 Comment
  CAS-BOT-BC311020  Heterotheca oregona G. DeNevers 1981-9-12 1848 Sonoma Pepperwood Ranch. In Mark West Creek, at its confluence with Leslie Creek Comment
  UC858024  Heuchera micrantha var. erubescens Eliz. Parsons Hauver June 1915 Sonoma Skaggs Springs Comment
  UC858050  Heuchera pilosissima Lewis S. Rose 1939-5-14 39119 Sonoma 2 mi e Bodega Bay 30 Comment
  CAS-BOT-BC55453  Hirschfeldia incana Mary P. Wells 1981-7-1 s.n. Sonoma Goat Rock State Beach. Comment
  SEINET10544124 Image available Hoita macrostachya A. Arthur Heller 1902-6-24 Heller 5761 Sonoma Near Burke's Sanitarium. Comment
  UCD164989  Hoita macrostachya Peter Rubtzoff; Nancy Harrison 1974-8-31 7857 Sonoma Pressley Road, 0.25 miles south of junction with Sonoma Mountain Road (2.7 miles north of Lichau Road junction). Comment
  CAS-BOT-BC280788  Holcus lanatus G. DeNevers 1981-6-6 1485 Sonoma Pepperwood Ranch. At a marsh on E side of Road Comment
  UC1056243  Holcus lanatus Virginia E. Long 1930-9-13 6 a Sonoma about 10 mi n Cloverdale Comment
Read comments
Aug 15 2010
  CAS-BOT-BC280801  Holcus lanatus David L. Morgan 1960-7-27 s.n. Sonoma Watkins Ranch, 1/2 mi. nw. of Penngrove on Redwood Highway Comment
  UC990598  Holocarpha virgata subsp. virgata James I. McMurphy 1906-7-17 Sonoma Fulton Comment
  UCD160121  Holodiscus discolor James A. Neilson Jr. 1973-6-3 2994 Sonoma Mayacmas Mountains. The Geysers. Site I. Geyser Canyon, ca. 1 mi N of Geysers Resort. (Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC152386  Holodiscus discolor var. discolor Mary P. Wells 1984-5-24 277 Sonoma Annadel State Park, Santa Rosa Comment
  CAS-BOT-BC152387  Holodiscus discolor var. discolor Rattan 1877-6-12 s.n. Sonoma Guerneville Comment
  UCD158726  Holodiscus discolor var. discolor Teresa A. Sholars 1976-9-9 s.n. Sonoma Mayacmas Mtns.Along Big Sulpher Creek. Ca.1.5 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 792 Comment
  CAS-BOT-BC315808  Holozonia filipes Greg de Nevers 1996-7-2 10854 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 487 Comment
  SD260901  Holozonia filipes Peter Rubtzoff 1971-7-20 6602 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  SEINET257718 Image available Hordeum brachyantherum M. Barkworth, D Amme 1989-6-15 5173 Sonoma South end of Bodega Head on restored grassland. 81 Comment
  CAS-BOT-BC289288  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1958-8-9 3822 Sonoma Laguna de Santa Rosa north of Sebastapol, near Occidental Road Comment
  CAS-BOT-BC289541  Hordeum brachyantherum subsp. californicum John H. Thomas 1976-6-16 18346 Sonoma Southern part of Sea Ranch northwestern part of county about 7 iles south of Gualala 30 Comment
  CAS-BOT-BC285195  Hordeum marinum subsp. gussoneanum Peter Rubtzoff 1951-7-7 384 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  UC573679  Hordeum marinum subsp. gussoneanum H. S. Yates 1936-5-16 5601 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  RSA123430  Hordeum murinum subsp. glaucum H. S. Yates 1936-5-16 5601 Sonoma 2 miles S.E. of Forestville 30 Comment
  UCD160310  Hordeum murinum subsp. leporinum James A. Neilson Jr. 1975-5-23 3196 Sonoma Big Sulphur Creek. Abril property. (Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC282020  Hordeum murinum subsp. leporinum Mary P. Wells 1981-8-2 s.n. Sonoma Between North Recreation Center and Leeward Rd, the Sea Ranch Comment
  RSA786874  Hordeum vulgare Carrie A. Herd 1982-5-15 113 Sonoma Rohnert Park, C.S.U, Sonoma, between dorm parking lot and bicycle path Comment
  UC72982  Horkelia californica Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  JEPS95270  Horkelia californica subsp. californica Margaret Rockwood and Linda Esposito 1993-7-18 604 Sonoma ranch N of Bodega, in lower Salmon Creek watershed Comment
  CAS-BOT-BC146522  Horkelia tenuiloba John Thomas Howell 1955-6-2 30258 Sonoma Near Vine Hill School Comment
  CAS-BOT-BC146523  Horkelia tenuiloba John Thomas Howell 1945-5-30 20909 Sonoma Vine Hill School Comment
  JEPS40568  Horkelia tenuiloba E. Crum 1931-5-1 1091 Sonoma near Sebastopol School Comment
  UCD158717  Hosackia crassifolia Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 3.5 mi east of the junction of Socrates Mine Rd. and Pine Flat Rd. Shell US Geothermal #2. Elevation estimated by label maker. [note by label-maker: 3.5 mi southeast would take location out of Sonoma County and out of the geothermal area, unless is road miles]. 975 Comment
  JEPS117115  Humulus lupulus Peter Warner 2010-7-29 172 Sonoma State Hwy. 116, at 21.31 mark, ~ 2.53 km, E 143 deg. S of Forestville, in marshy area along W side of highway. Comment
  UCD128230  Hydrocotyle ranunculoides David E. Bayer 1960-9-29 s. n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC290631  Hypericum Peter Rubtzoff 1971-6-26 6576 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC540829  Hypericum Peter Rubtzoff 1974-6-9 7583 Sonoma Upper Green Valley Marsh. 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
  OBI48678  Hypericum concinnum Michener & Bioletti, Bioletti June 1893 s.n. Sonoma Hood's peak Comment
  RSA94321  Hypericum formosum var. scouleri Peter Rubtzoff 1951-6-30 292 Sonoma Western branch of the upper Marsh; in a marshy opening. Comment
  CAS-BOT-BC401292  Hypericum perforatum D. E. Breedlove 1980-6-28 44786 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC401293  Hypericum perforatum D. E. Breedlove 1962-6-6 2898 Sonoma Along State Highway 128, 1.5 miles northwest of U. S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC316679  Hypochaeris glabra Peter Rubtzoff 1952-5-31 1101 Sonoma Upper Marsh Comment
  JEPS128241  Hypochaeris glabra Roger Raiche 2000-5-4 078 .00 Sonoma The Cedars. Promentory, Cabin Site. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128368  Hypochaeris glabra Roger Raiche 2000-5-5 099 A.00 Sonoma The Cedars. Bearpen Creek watershed (CalWater# 1114.120002). Comment
  RSA790604  Hypochaeris glabra Peter H. Raven 1950-4-6 1579 Sonoma Cotati to Santa Rosa. 152 Comment
  UCD133333  Hypochaeris glabra Mary M. Hektner 1976-5-10 254 Sonoma above beach near the Sea Ranch Association Office; Unit 36 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC316718  Hypochaeris radicata Walter Knight; Irja Knight 1963-12-28 479 Sonoma Bodega Head Comment
  RSA0065196  Ipomoea mutabilis Greg de Nevers 1996-11-10 10893 Sonoma Santa Rosa, Sonoma Avenue. 31 Comment
  UCD138705  Iris douglasiana J. J. Dunning 1963-5-12 s.n. Sonoma beside Coleman Valley Road (between State Highway 1 and Occidental), ca. 2-3 miles east of State Highway 1. Comment
  UCD138711  Iris douglasiana Marilyn J. Veron 1976-5-2 16 Sonoma 2.1 miles northeast of Bodega Bay on Bay Hill Road. Comment
  RSA135874  Iris fernaldii Lee W. Lenz, E. K. Balls 1952-5-8 17110 Sonoma 4.4 miles northwest from Mark West Springs, on road to Kellogg 107 Comment
  RSA48719  Iris fernaldii Lee W. Lenz 1949-5-3 14426 Sonoma About 1 mile from Petrified Forest on road to Calistoga. 610 Comment
  CAS-BOT-BC133676  Iris longipetala Peter Rubtzoff 1957-5-11 3339 Sonoma Occidental Marsh Comment
  CAS-BOT-BC133677  Iris longipetala Peter Rubtzoff 1958-5-3 3625 Sonoma Atascadero Creek Marsh Comment
  UC566066  Iris macrosiphon E. Armstrong 1934-3-26 937 Sonoma 4 mi n Camp Meeker; Sebastopol Quad. 91 Comment
  UC896986  Iris macrosiphon Alice Eastwood 1918-5-1 6822 Sonoma Mt. St. Helena Comment
  RSA135848  Iris macrosiphon E. K. Balls, Lee W. Lenz 1951-5-10 16537 Sonoma 0.7 miles south of Mendocino-Sonoma County line on Highway 28 Comment
  UCD138779  Iris macrosiphon G. E. Kerley 1966-4-3 66- 15 Sonoma Trinity Road, 3.7 miles northeast of State Highway 12. 914 Comment
  UCSC000157  Iris macrosiphon Carl Meyer 1928-3-4 326 Sonoma Comment
  RSA135851  Iris purdyi E. K. Balls, Lee W. Lenz 1951-5-10 16539 Sonoma 1.8 miles northwest of junction of Highway 101 and Highway 28, road to Yorkville Comment
  RSA784489  Isoetes Peter Rubtzoff 1969-5-24 6053 Sonoma 6.5 miles SE of Penngrove, on Lichan Road. 427 Comment
  UCD84101  Isoetes howellii Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  UCD84281  Isoetes howellii Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  JEPS79612  Isoetes howellii Edward Lee 1974-5-11 Sonoma Laguna R.R. bridge Sebastopol Comment
  UC810525  Isoetes nuttallii John Thomas Howell 1937-6-6 13028 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC61927  Isoetes nuttallii Peter Rubtzoff 1951-7-14 468 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC112408  Isolepis carinata Peter Rubtzoff 1966-4-30 5696 Sonoma Todd Road 1.4 mi. from Hwy 116 and 0.6 mi. from Llamo Road. Comment
  CAS-BOT-BC112566  Isolepis cernua Peter Rubtzoff 1960-6-9 4485 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  CAS-BOT-BC112567  Isolepis cernua Peter Rubtzoff 1970-7-17 6287 Sonoma 5 mi N of Sears Point. Comment
  CAS-BOT-BC112571  Isolepis cernua Peter Rubtzoff 1954-8-10 1670 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC112574  Isolepis cernua Peter Rubtzoff 1963-6-5 5152 Sonoma Brooks Gulch Marsh. Comment
  JEPS25000  Isolepis cernua G. Thomas Robbins 1958-8-11 3925 Sonoma on tidal flat along w shore Bodega Harbor; w shore Bodega Harbor Comment
  UCD82016  Isolepis levynsiana Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. Vernal Pool Plot SRP04. 37 Comment
  RSA0035351  Juncus balticus Peter Rubtzoff 1957-5-11 3333 Sonoma Occidental Marsh. Comment
  UC1042427  Juncus balticus Peter Rubtzoff 1951-7-7 368 Sonoma near Forestville (e branch of the upper marsh); Pitkin Marsh Comment
  CAS-BOT-BC173567  Juncus bolanderi Peter Rubtzoff 1974-9-7 7882 Sonoma Hinebaugh Creek in Rohnert Park, creek bed east of Commerce Blvd. crossing Comment
  POM111209  Juncus bolanderi Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  CDA18031  Juncus bolanderi R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena Spring. NW side. 0 Comment
  CAS-BOT-BC361401  Juncus capitatus Greg de Nevers 1993-5-6 10430 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd., at Weimar Flat 457 Comment
  CDA42414  Juncus effusus subsp. pacificus D. G. Kelch 2012-5-2 12 .068 Sonoma Dry Creek Valley; near Preston Organic Winery along tributary of Dry Creek. Comment
  UCR244512  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5907 Sonoma Lichau Marsh [5 miles northeast of Penngrove on Lichau Road] 220 Comment
  RSA789173  Juncus effusus subsp. pacificus Peter Rubtzoff 1969-8-14 6136 Sonoma Coleman Marsh. Comment
  SD99420  Juncus effusus subsp. pacificus Christopher Davidson 1977-6-20 6025 Sonoma Dry Creek Road, 11.9 miles west of Geyserville. Gravel bar in Warm Springs Creek. 136 Comment
  RSA785888  Juncus effusus var. brunneus Peter Rubtzoff 1963-7-27 5213 Sonoma Duncans Mills Marsh. Comment
  UCD167419  Juncus hesperius Peter Rubtzoff 1964-8-3 1634 Sonoma Lower Salmon Creek Marsh. Comment
  UCD166334  Juncus laccatus Peter Rubtzoff 1968-7-13 5919 Sonoma upper Salmon Creek Marsh. Comment
  CAS-BOT-BC322118  Juncus lescurii Peter Rubtzoff 1961-8-6 4676 Sonoma Americans Creek, 0.5 mi. east of Valley Ford. Comment
  HSC42040  Juncus lescurii S. Saufferer 1973-5-24 218 Sonoma Bodega Bay near the ocean Comment
  UCR248954  Juncus lescurii Peter Rubtzoff 1959-6-20 4179 Sonoma Willow Creek Marsh 9 Comment
  UC143749  Juncus occidentalis A. A. Heller 1902-6-2 5634 Sonoma Santa Rosa Comment
  UC589957  Juncus phaeocephalus var. paniculatus H. S. Yates 1936-5-16 5596 Sonoma 2 mi se Forestville; Sebastopol Quad., Pitkin Marsh 30 Comment
  UCD158736  Juncus tenuis James A. Neilson Jr. 1974-7-25 3049 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. 792 Comment
  CAS-BOT-BC320568  Kickxia Peter Rubtzoff 1970-7-11 6281 Sonoma Laguna de Santa Rosa northwest of Trenton, at Healdsburg Road crossing. Comment
  LA11969  Koeleria macrantha Joseph Andorfer Ewan; 1935-5-13 9246 Sonoma near Wright School on Sebastopol road Comment
  UC1011011  Koeleria macrantha Virginia Bufford 1936-5-20 334 Sonoma Kellogg-Mark West Rd 3 mi from Kellogg Comment
  UCD85861  Koeleria macrantha P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga - Petrified Forest Road. Comment
  HSC100956  Koeleria macrantha Peter Warner 2011-5-13 195 Sonoma Jenner Headlands, Upper Russian Gulch Pasture,~1.5 km, N70 deg. E of Hwy. bridge at Russian Gulch, ~ 90 m N of power lines. 203 Comment
  UC903716  Koeleria macrantha Milo S. Baker 1947-5-7 11733 Sonoma 2 mi n Kenwood (above house at Maplewood); n of Kenwood Comment
  RSA0065154  Lactuca Greg de Nevers 1997-8-17 11076 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. Oak Hill Ranch. 100 Comment
  UCD148410  Lactuca Peter Rubtzoff 1958-9-6 3975 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  UCD63273  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point. Comment
  CDA2224  Lamarckia aurea Gordon Leppig 1998-5-6 1344 Sonoma Austin Creek State Recreation Area, Austin Creek Trail. Comment
  CAS-BOT-BC486685  Lamiaceae Peter Rubtzoff 1957-6-28 3374 Sonoma Duncans Mills Marsh Comment
  CDA28919  Lamium purpureum C. Morgan 2009-3-19 s.n. Sonoma Kenwood, 9550 Frederica. 0 Comment
  UCD124932  Lamium purpureum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 61 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 195 Comment
  UCD125066  Lamium purpureum Caitlin Lewis; William Mutch 1993-4-17 23 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. Along Sonoma Creek. 365 Comment
  CAS-BOT-BC324930  Lasthenia burkei Peter Rubtzoff 1966-4-17 5677 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville Roads Comment
  JEPS83498  Lasthenia burkei Jack and Betty Guggolz 1986-5-7 866 Sonoma Carinalli property; pastureland near the far w end Comment
  JEPS86320  Lasthenia burkei Jack and Betty Guggolz 1988-4-17 915 Sonoma 400 m n San Miguel Road (200 m e of Franciscan Road) Comment
  SEINET7067233  Lasthenia californica A. G. Vestal 1947-5-12 s.n. Sonoma About 1 miles east of Occidental on the Occidental Road. Coordinate datum: NAD27. UTM Zone 10, 506054mE, 4250802mN. Comment
  UC30450  Lasthenia californica H. N. Bolander 1864-1 3846 Sonoma Mark West Comment
  POM55151  Lasthenia californica A. A. Heller, H. E. Brown 1902-4-15 5302 Sonoma Santa Rosa Creek Comment
  RSA585979  Lasthenia californica Adree M. Desrochers 1990-4-23 480 Sonoma 12 miles S of Fort Ross State Historic Park; on W side of Hwy 1. Comment
  UC579278  Lasthenia californica subsp. bakeri H. S. Yates 1934-4-21 3787 Sonoma near Bodega 60 Comment
  JEPS19389  Lasthenia californica subsp. californica G. Thomas Robbins 1938-4-15 225 Sonoma 2.5 mi e Bodega Bay Comment
  JEPS86752  Lasthenia californica subsp. californica Jack and Betty Guggolz 1990-4-30 1039 Sonoma 243 Comment
  CAS-BOT-BC324410  Lasthenia californica subsp. macrantha J. Clausen 1935-5-24 1092 Sonoma 6.2 miles south of Jenner Comment
  CAS-BOT-BC355535  Lasthenia glaberrima Peter Rubtzoff 1972-5-25 6755 Sonoma Laguna, Chileno Valley Comment
  UC90040  Lasthenia glaberrima Katharine Brandegee 1905-6-8 Sonoma between Santa Rosa Sevastopol Comment
  CAS-BOT-BC355529  Lasthenia glaberrima Peter Rubtzoff 1965-5-8 5525 Sonoma Laguna Santa Rosa area east of Cunningham, nr, Llano Road. Comment
  CDA34808  Lasthenia gracilis Peter Warner 2010-5-2 154 Sonoma Jenner Headlands, ~100 m 330 deg. N of residence cabin on Willig Extension Dr., in Tank Field. Comment
  UCD133808  Lasthenia gracilis Gerry North 1993-3 30 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. 18 air miles northwest of Napa. At picnic site across from parking lot east of kiosk along Adobe Canyon Road. 381 Comment
  CAS-BOT-BC370895  Lasthenia minor Alice Eastwood 1915-6-29 4838 Sonoma Bodega Point Comment
  UC353930  Lasthenia minor Milo S. Baker 1928-4-14 2984 Sonoma 1.5 mi n of Bay Comment
  RSA8459  Lasthenia minor Roxana S. Ferris 1932-5-27 8256 Sonoma Northern end of Bodega Bay. Comment
  CAS-BOT-BC164396  Lathyrus Peter Rubtzoff 1974-8-31 7851 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC164661  Lathyrus Peter Rubtzoff 1974-9-7 7886 Sonoma Hinebaugh Creek, Rohnert Park. Comment
  RSA783476  Lathyrus Peter Rubtzoff 1974-4-17 7363 Sonoma Upper Green Valley Marsh area Comment
  UCD166103  Lathyrus Peter Rubtzoff 1971-9-1 6672 Sonoma Spring Creek Reservoir area east of Santa Rosa. Comment
  UCD106204  Lathyrus cicera Botany 102 Students 1993-5-8 252 Sonoma N of 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. Bald Mountain Trailhead parking. About 1 air mile S of Red Mountain, just N of Sonoma Creek. Comment
  CAS-BOT-BC204990  Lathyrus jepsonii var. californicus Volney Rattan 1877-6-16 s.n. Sonoma Guerneville Comment
  UCD33238  Lathyrus tingitanus Beecher Crampton 1967-5-15 7934 Sonoma Sonoma County, 1 mile N.E. of Cloverdale, US Hwy. 101. Comment
  RSA161411  Lathyrus torreyi R. C. Bacigalupi 1926-5-2 1374 Sonoma Cazadero. Comment
  HSC14709  Lathyrus vestitus subsp. vestitus James Faro 1962-4-18 25 Sonoma About 4.5 mi. N of Guerneville on the Old Cazadero Rd. Comment
  CAS-BOT-BC323259  Layia chrysanthemoides Alice Eastwood 1921-5-8 10447 Sonoma Petaluma Comment
  UC584225 Image available Layia chrysanthemoides J. Clausen 1935-5-24 1090 Sonoma 6.2 mi s Jenner (at a little bay); ; S of Jenner, Sonoma Co. Comment
  RSA786927  Layia chrysanthemoides Carrie A. Herd 1982-4-25 83 Sonoma Crane Creek Regional Park Comment
  CAS-BOT-BC123307  Layia chrysanthemoides subsp. maritima Jens Chr. Clausen 1935-5-24 1090 Sonoma 6.2 mi S of Jenner Comment
  UC584208  Layia gaillardioides David D. Keck 1935-6-15 3379 Sonoma Russian River Comment
  JEPS18021  Layia platyglossa George B. Rossbach 1955-3-19 547 Sonoma w rim of Bodega Head 45 Comment
  UC584226  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 mi s Jenner Comment
  UC89333  Layia platyglossa Alice Eastwood Sonoma Bodega Point Comment
  POM53343  Layia platyglossa subsp. campestris H. E. Brown, A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood. Comment
  RSA0056431  Leersia oryzoides Greg de Nevers 1995-10-1 10775 Sonoma Russian River near Mirabel Road. 91 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
  CAS-BOT-BC210106  Lemna Peter Rubtzoff 1968-6-25 5910 Sonoma Lichan Marsh. Comment
  UC971684  Lemna gibba Leo Koch 1940-6-12 1011 Sonoma 3 mi n of Santa Rosa (behind Fountaingrove Vineyard along Highway 101) Comment
  UCR255073  Lemna minor Peter Rubtzoff 1961-9-20 4751 Sonoma Bodega Head Marsh 6 Comment
  RSA0028899  Lemna minor Peter Rubtzoff 1961-6-23 4655 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC527288  Lemna minuta Mary P. Wells 1984-8-9 437 Sonoma Sagpond near airstrip, Timber Ridge Road, The Sea Ranch Comment
  CAS-BOT-BC534919  Lemna turionifera Peter Rubtzoff 1951-8-19 652 Sonoma Pitkin Marsh, near Forestville Comment
  SD56748  Leontodon saxatilis subsp. saxatilis Darley F. Howe 1963-7-3 3575 Sonoma 20 miles north of junction with Highway 12 on Highway 1. Comment
  CAS-BOT-BC173645  Lepidium Peter Rubtzoff 1962-8-3 5032 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC89147  Lepidium didymum C. L. Hitchcock; J. S. Martin 1939-7-15 5445 Sonoma Cliffs below Bodega State Park. Comment
  UCR255881  Lepidium latifolium Greg de Nevers 1993-7-29 10478 Sonoma On dike of Petaluma River marsh at Hwy 37 1 Comment
  CDA3806  Lepidium latifolium T. C. Fuller 1958-10-16 1480 -58 Sonoma North side Highway 48, 5 miles east of Sears Point. 0 Comment
  RSA201201  Lepidium latifolium Walter Knight 1963-8-9 s.n. Sonoma Petaluma city limits sign on hwy to Lakeville. Comment
  SJSU8213  Lepidium latifolium W. Savage 1976-7-9 1083 Sonoma marsh between Northwestern R.R. tracks & former channel of Petaluma R, Schultz Slough 1 Comment
  UCD115834  Lepidium strictum Caitlin Lewis; William Mutch 1993-4-17 12 Sonoma About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile. Near visitor center. 365 Comment
  RSA0022357  Leptochloa Peter Rubtzoff 1965-8-16 5598 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  SEINET7967475 Image available Leptosiphon androsaceus James Grimes 1981-4-29 1977 Sonoma On Highway 128 2.1 miles north of US 101, north of Cloverdale. Comment
  CAS-BOT-BC226705  Leptosiphon jepsonii Alice Eastwood 1921-4-24 10365 Sonoma Santa Rosa Comment
  JEPS20635  Lessingia hololeuca Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  UC1299300  Lessingia hololeuca Freed W. Hoffman 1947-7-30 1414 Sonoma near Guerneville; North Coast Ranges, Great Eastern Quicksilver Mines Comment
  CAS-BOT-BC272174  Leymus triticoides J. W. Congdon 1880-7-4 s.n. Sonoma Paper Mill Creek Comment
Read comments
Feb 2 2019
  CAS-BOT-BC371446  Ligusticum apiifolium Greg de Nevers 1998-5-31 11269 A Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, between Cresta and second bridge below Mark West Lodge. 400 Comment
  POM187316  Ligusticum apiifolium Marcus E. Jones 1931-7-5 29076 Sonoma The Geysers. Comment
  UCR255737  Ligusticum apiifolium Greg de Nevers 1998-7-15 11294 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; Mark West Creek, just upstream of bridge at Mark West Lodge 134 Comment
  CAS-BOT-BC451698  Lilaea scilloides John Thomas Howell 1930-6-8 5238 Sonoma Bodega Road 3 miles east of Valley Ford Comment
  JEPS86739  Lilaea scilloides Jack and Betty Guggolz 1990-4-4 1024 Sonoma w of Paradise Lane (s of Piner Road) 30 Comment
  CAS-BOT-BC451702  Lilaea scilloides Lewis S. Rose 1962-4-11 62019 Sonoma Laguna de Santa Rosa, 1/2 mi. e of Cunningham 15 Comment
  CAS-BOT-BC451703  Lilaea scilloides Peter H. Raven 1963-4-12 18162 Sonoma Along U. S. 101 just south of Asti. Comment
  RSA178033  Lilaea scilloides Robert F. Thorne 1965-4-19 34275 Sonoma Titus Ranch, Valley Ford. 18 Comment
  SEINET11763375  Lilaea scilloides Michener, Bioletti 1892-1 s.n. Sonoma Shellville Comment
  RSA94315  Lilium occidentale Peter Rubtzoff 1951-7-22 538 Sonoma Pitkin Marsh near Forestville; northern half of lower marsh Comment
  CAS-BOT-BC132999  Lilium rubescens Nancy Grasby 1938-7-1 s.n. Sonoma Near Occidental Comment
  CAS-BOT-BC110616  Limnanthes Charles Piper Smith 1908-4-1 1383 Sonoma Petaluma. Base of hills on east side of valley. Comment
  JEPS19560  Limnanthes alba Milo S. Baker 1923-5-1 Sonoma 1 mi ne Glen Ellen; Warfield R.R. Station Comment
  UCD116499  Limnanthes douglasii G. F. Hrusa; R. Gross, A. Buckmann 1996-3-29 12740 Sonoma Napa Valley bottom, immediately S of Tubbs Lane, approx. 2 m. NW of Calistoga. 110 Comment
  RSA155473  Limnanthes douglasii L. S. Rose 1962-6-1 62061 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  UCSB22630  Limnanthes douglasii McCarthy, Sharon 1965-4-17 Sonoma At corner of 5th St. West and MacArthur St. 25 Comment
  JEPS100940  Limnanthes douglasii subsp. douglasii Dean W. Taylor 1994-5-4 14203 Sonoma Santa Rosa Plain; north of Todd Road 0.5 mi W of junction with Llano Road (ca. 5 air mi SW Santa Rosa) 24 Comment
  RSA79068  Limnanthes douglasii subsp. douglasii E. K. Balls, Lee W. Lenz 1952-5-8 17115 Sonoma 0.1 mi. from Kellogg, jct. of road from Mark West Springs with Hwy. 29. 61 Comment
  UC908797  Linanthus androsaceus Herbert L. Mason 1928-4-8 4289 Sonoma 2 mi n Fort Ross Comment
  JEPS77261  Linanthus androsaceus Robert M. Lloyd 1963-4-24 2398 Sonoma 16.5 mi from State Highway 12 (on road to Oakdale) 274 Comment
  SEINET7075496  Linanthus ciliatus A. G. Vestal 1955-5-8 s.n. Sonoma Valley of the Moon south of Kenwood. 38? deg. 23' 26" North Latitude, -122? deg. 31' 35" West Longitude. UTM Zone 10, 541365mE, 4249039mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  UC879936  Linanthus dichotomus Alice Eastwood 1922-5-4 11273 Sonoma Mt. St. Helena Comment
  CDA36854  Linanthus parviflorus 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
  UC23768  Linanthus parviflorus Willis L. Jepson 1893-5-1 Sonoma Knights Valley grade Napa River Basin Comment
  JEPS23256  Linaria vulgaris G. Thomas Robbins 1958-8-11 3924 Sonoma w of the town of Bodega (along Estero Lane a dirt road about 2 mi s of State Highway 1); Estero Lane Comment
  UC76069  Linaria vulgaris Miss Emma Lobenstein 1906-1 Sonoma Valley Ford Comment
  POM298415  Linum angustifolium H. C. Cantelow 1941-6-7 s.n. Sonoma 5-1/2 miles south of Bay, State Hwy. 1. Comment
  SEINET12186161  Linum bienne F. H. Utech 1988-1 88 -189 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 Comment
  HSC100874  Linum trigynum Peter Warner 2011-6-24 220 Sonoma Jenner Headlands property, NW area Above-the-House-Field, W of water trough, S of fence boundary. 273 Comment
  UCD81453  Lithocarpus densiflorus M. Wiesendanger 1927-5-5 729 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC36013  Lithocarpus densiflorus var. densiflorus Peter Rubtzoff 1953-5-17 1388 Sonoma South of Guerneville (Neeley Hill area) Comment
  CAS-BOT-BC435674  Lithophragma heterophyllum Alice Eastwood 1923-5-9 11755 Sonoma Mt. St. Helena Comment
  POM142576  Lithophragma heterophyllum A. A. Heller, H. E. Brown 1902-4-4 5220 Sonoma Hills near Santa Rosa. Comment
  CAS-BOT-BC435671  Lithophragma heterophyllum G. DeNevers 1981-3-25 560 Sonoma In a big road cut on Franz Valley Road below Walter Wards house. Comment
  JEPS128268  Logfia filaginoides Roger Raiche 2000-4-8 026 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC342502  Logfia gallica D. E. Breedlove 1980-6-28 44810 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD167965  Logfia gallica James Neilson 1977-6-12 3920 Sonoma Mayacmas Mountains, McMicking Ranch, well site 2. (McMicking Ranch is also known as Santa Angelina Ranch and is in the vicinity of Knights Valley and Coon Creek.) Comment
  CAS-BOT-BC283533  Lolium Roxana S. Ferris; Laura Lorraine 1961-6-14 13547 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UCD66008  Lolium multiflorum Beecher Crampton 1957-7-11 4305 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  CAS-BOT-BC283295  Lolium multiflorum H. S. Yates 1937-5-30 6551 Sonoma 1.5 miles E of Occidental Comment
  UCD84595  Lolium perenne Frederica Bowcutt 1994-6-12 1841 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 Sonoma Creek near trailhead for Hillside trail. 365 Comment
  RSA452569  Lomatium caruifolium Christopher Davidson 1977-6-20 6011 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  UCD167357  Lomatium marginatum James Neilson 1982-6-8 4079 Sonoma Mayacmas Mountains. East of Castle Rock Springs Camp. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1123039  Lomatium nudicaule H. S. Yates 1934-4-22 3857 Sonoma 2 mi. s. Mark West; Calistoga Quad. Comment
  CAS-BOT-BC540801  Lonicera Peter Rubtzoff 1962-4-11 4787 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC240646  Lonicera hispidula Walter Knight; Irja Knight 1963-10-3 318 Sonoma Crane Canyon Comment
  CAS-BOT-BC240647  Lonicera hispidula A. A. Heller 1902-6-26 5767 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CDA31357  Lonicera hispidula var. vacillans D. G. Kelch 2010-5-3 10 .206 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CAS-BOT-BC244001  Lonicera involucrata var. ledebourii Saichi Kawahara 1969-3-31 542 Sonoma 50 yards west of Jenner Comment
  CAS-BOT-BC244004  Lonicera involucrata var. ledebourii A. A. Heller; H. E. Brown 1902-3-10 5015 Sonoma Hills east of Santa Rosa Comment
  UC28551  Lonicera involucrata var. ledebourii J. Burtt Davy 1896-3-13 1654 Sonoma Duncan's Mills Comment
  CAS-BOT-BC300483  Lotus Peter Rubtzoff 1973-8-29 7288 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente Comment
  UCR275253  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rhonert Park, creek bed west of Commerce Blvd. crossing 29 Comment
  CAS-BOT-BC294702  Lotus Peter Rubtzoff 1970-7-17 6291 Sonoma Five miles north of Sears Point. Comment
  CAS-BOT-BC304423  Lotus Peter Rubtzoff 1970-5-16 6226 Sonoma Five miles north of Sears Point. Comment
  RSA234558  Lotus angustissimus Peter Rubtzoff 1967-8-28 5869 Sonoma Lower Salmon Creek Marsh. Comment
  UC604131  Lotus angustissimus Milo S. Baker 1938-8-15 9229 Sonoma just beyong Wrights Beach (Coast Highway) Comment
  UC864387  Lotus angustissimus Alice Eastwood and John Thomas Howell 1938-7-11 6267 Sonoma near Stillwater Cove Comment
  UCR142041  Lotus angustissimus Beecher Crampton 1955-6-17 2967 Sonoma North Coast, Fort Ross; bank of roadcut, State Highway 1 61 Comment
  POM27250  Lotus humistratus Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan[s] Mills. Comment
  UC1277995  Lotus junceus var. biolettii B. Crampton 1957-7-22 4370 Sonoma 0.9 mi s of Stewart's Point (along State Highway 1); State Highway 1 Comment
  RSA177971  Lotus micranthus Robert F. Thorne 1965-4-20 34349 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  UC1129078  Lotus micranthus H. S. Yates 1934-4-22 3846 Sonoma 2 mi s Mark West; Calistoga Quad. 152 Comment
  UC454673  Lotus oblongifolius var. oblongifolius I. J. Condit 1908-8-14 Sonoma Sebastopol Comment
  SEINET12154271  Lotus purshianus L. S. Rose 1938-1 38255 Sonoma Bloomfield 30 Comment
  UC58312  Lotus wrangelianus A. A. Heller 1903-4-25 6597 Sonoma Fort Ross Comment
  CAS-BOT-BC249321  Ludwigia Peter Rubtzoff 1973-8-27 7273 Sonoma Upper Green Valley Marsh area. Comment
  UCD66025  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 51 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UCD66026  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 51 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  CAS-BOT-BC251191  Ludwigia palustris Peter Rubtzoff 1956-9-15 2914 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC376292  Ludwigia palustris Greg de Nevers 1992-6-26 10206 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In oxbow of Franz Creek 91 Comment
  CAS-BOT-BC251194  Ludwigia palustris Peter Rubtzoff 1954-8-4 1656 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC251279  Ludwigia palustris Peter Rubtzoff 1955-7-16 1961 Sonoma Bennett Mountain Lake. Comment
  POM312607  Ludwigia palustris var. pacifica H. L. Mason 1946-7-4 12886 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  RSA800129  Ludwigia palustris var. pacifica Peter Rubtzoff 1954-6-7 1486 Sonoma Guerneville Marsh Comment
  UC423054  Ludwigia peploides subsp. peploides Milo S. Baker 1899-6-29 Sonoma near Forestville Station Comment
  CAS-BOT-BC201296  Lupinus Charles Piper Smith 1947-6-25 47569 Sonoma Highway 1, Jenner, 1.6 miles north Comment
  CAS-BOT-BC201297  Lupinus Charles Piper Smith 1947-6-19 47533 Sonoma Highway 1, Jenner, 1 mile south Comment
  CAS-BOT-BC195975  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-27 48161 Sonoma Junction Melitta-Mark West-Petrified Forest roads - Petrified Forest, 0.7 miles south Comment
  UCD106015  Lupinus albifrons var. albifrons Frederica Bowcutt 1996-5-24 2158 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/Rattlesnake Creek confluence on small knoll. 381 Comment
  SEINET10871206  Lupinus albifrons var. collinus Joseph W. Congdon 1880-5-30 Congdon UMO 43462 Sonoma Comment
  SEINET10838181  Lupinus densiflorus Joseph W. Congdon 1880-5-30 Congdon s.n. Sonoma Petaluma. Comment
  CAS-BOT-BC8359  Lupinus formosus subsp. formosus Amos Arthur Heller 1940-4-22 15546 Sonoma Alexander Valley Comment
  SEINET10543866 Image available Lupinus formosus subsp. formosus A. Arthur Heller 1940-4-22 Heller 15546 Sonoma Anderson Valley in clay soil in a field in the oak belt of the Upper Sonoran Life Zone. Comment
  SEINET10490758  Lupinus formosus var. formosus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7079 Sonoma On n-facing grassy clay bank, 0.6 mi w of sonoma-napa county line on hwy 121. 61 Comment
  UC157006  Lupinus formosus var. formosus H. P. Chandler 1907-4-21 7521 Sonoma road from Glen Ellen to Oakville Comment
  CAS-BOT-BC368084  Lupinus latifolius Greg de Nevers 1998-4-28 11210 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge Comment
  SD53183  Lupinus microcarpus var. microcarpus Darley F. Howe 1962-5-24 3317 Sonoma Bodega Bay Comment
  SD37910  Lupinus microcarpus var. microcarpus Edith A. Purer 1932-7-24 Sonoma near Bodega Bay, roadside in Santa Rosa Canyon Comment
  SD88508  Lupinus microcarpus var. microcarpus Darley F. Howe 1972-6-29 Sonoma North of Jenner Comment
  UCD108851  Lupinus microcarpus var. microcarpus Freed W. Hoffman 1947-4-18 664 Sonoma roadside one mile north of Cloverdale. Comment
  HSC49398  Lupinus nanus subsp. latifolius R. York 1979-4-8 205 Sonoma Along Hwy. 128, 1 mi. N of Calistoga 366 Comment
  POM10734  Lupinus nanus var. apricus A. A. Heller, H. E. Brown, A. H. Heller 1902-3-21 7188 Sonoma Hills southeast of Santa Rosa Comment
  HSC81612  Lupinus polycarpus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5127 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  CAS-BOT-BC311853  Lupinus polycarpus Peter Rubtzoff 1974-5-11 7394 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  CDA27567  Lupinus polyphyllus var. polyphyllus D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  JEPS83726  Lupinus tidestromii R. Raiche 1988-4-10 80068 Sonoma Goat Rock State Park mouth of the Russian River (dune area nr parking lot at mouth of the Russian River); , Goat Rock State Park 4 Comment
  UCSB50220  Lupinus variicolor Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 18 Comment
  UCD166730  Luzula Peter Rubtzoff 1962-4-11 4793 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  RSA52692  Luzula comosa I. L. Wiggins 1949-4-30 12063 Sonoma 6.8 miles east of Santa Rosa on road to Calistoga. Comment
  UCD160060  Luzula subsessilis James A. Neilson Jr. 1975-4-9 3664 Sonoma Mayacmas Mountains, Hilary Farms. (Exact location unknown. Elevation and coordinates estimated by label maker from Nielson 3126 near Cascade Creek.) 609 Comment
  UCD161671  Luzula subsessilis James A. Neilson Jr. 1974-4-30 2724 Sonoma Mayacmas Mountains. The Geysers. Bruno # 1. (Exact location of Bruno #1 not known by label-maker, but according to Neilson, it is west of Geysers Resort on a north-facing slope near a stream. In the Mayacmas Flora, he indicates it is near 'Old Mercuryville,' which is different than the Mercuryville seen on maps; location and elevation estimated by label-maker) 441 Comment
  CAS-BOT-BC441389  Luzula subsessilis John H. Thomas 1976-6-15 18315 Sonoma Southern end of the Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  CDA18035  Lythrum hyssopifolia R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena Spring. 0 Comment
  CAS-BOT-BC166732  Madia Peter Rubtzoff; Nancy Harrison 1974-7-13 7669 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC166945  Madia Peter Rubtzoff; H. A. Froebe 1971-5-30 6457 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD148375  Madia Peter Rubtzoff 1955-9-25 2161 Sonoma Forestville Marsh area. Comment
  CAS-BOT-BC344040  Madia elegans David D. Keck 1933-11-6 2646 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  UC75902  Madia elegans Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  JEPS128215  Madia exigua Roger Raiche 2000-5-4 061 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC157660  Madia exigua Peter Rubtzoff 1961-6-23 4639 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC166733  Madia gracilis Peter Rubtzoff 1967-9-2 5876 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC343452  Madia gracilis John Thomas Howell 1937-7-4 13065 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC343453  Madia gracilis John Thomas Howell 1937-7-4 13066 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC343463  Madia gracilis J. Clausen 1935-5-23 1075 Sonoma Petrified Forest, near entrance Comment
  UC33208  Madia gracilis Harley P. Chandler 1900-5-25 663 Sonoma Bodega Comment
  POM231097  Madia nutans Jens Clausen 1935-5-24 1077 Sonoma Adobe Canyon at Sonoma Creek, along base of first ravine above Kenwood Springs. Comment
  CAS-BOT-BC345212  Madia sativa Alice Eastwood 1915-6-29 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC345213  Madia sativa Alice Eastwood; John Thomas Howell 1936-7-4 3825 Sonoma 2 miles n. of Windsor Comment
  CAS-BOT-BC345225  Madia sativa David D. Keck; J. Clausen 1935-6-15 3365 a Sonoma 1 mi. N. of Salmon Creek Comment
  RSA790979  Madia sativa Peter Rubtzoff 1967-9-2 5876 Sonoma Freestone Marsh. Comment
  RSA785161  Madia sativa Peter Rubtzoff 1975-8-16 8324 Sonoma Bennett Mountain Lake. Comment
  UC990654  Madia sativa James I. McMurphy 1909-8-8 702 Sonoma electric railroad station between Santa Rosa and Sebastopol; Leddy Comment
  SBBG53030  Marah fabacea M. R. Benedict 1978-4-18 Sonoma Skaggs Spring Rd, above Warm Springs dam site Comment
  UCD125027  Marrubium vulgare Frederica Bowcutt 1995-11-19 2063 Sonoma Sugarloaf Ridge State Park. About 50 miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Bald Mountain Trail, immediately on edge of asphalt about 0.5 air mile SSE of Red Mountain. 609 Comment
  RSA784484  Marsilea vestita subsp. vestita Peter Rubtzoff 1964-7-7 5388 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC348221  Matricaria discoidea G. DeNevers 1981-6-8 1506 Sonoma Pepperwood Ranch. In Pippindale Garden Comment
  HSC6011  Matricaria discoidea S. N. Wiemeyer 1962-4-20 26 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  CAS-BOT-BC268063  Medicago Peter Rubtzoff 1973-8-21 7246 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  CAS-BOT-BC268116  Medicago Peter Rubtzoff 1956-9-14 2890 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD166339  Medicago Peter Rubtzoff 1968-8-31 5945 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA54042  Medicago arabica J. T. Howell 1948-4-18 24212 Sonoma Hills east of Agua Caliente. Comment
  UCD106758  Medicago arabica Mary M. Hektner 1976-4-3 230 Sonoma Sea Ranch Association Office, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC271175  Melica aristata Joseph Burtt Davy; Walter C. Blasdale 1899-5-1 6001 Sonoma Guerneville Comment
  CAS-BOT-BC269516  Melica californica A. A. Heller 1902-4-23 5351 Sonoma Near Sonoma Comment
  CAS-BOT-BC269517  Melica californica A. A. Heller 1902-4-4 5315 Sonoma Hills near Santa Rosa Comment
  CAS-BOT-BC281286  Melica geyeri J. W. Congdon 1892-3-29 s.n. Sonoma Cazadero Comment
  SD134042  Melica geyeri Greg de Nevers 1987-6-1 8184 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 99 Comment
  HSC10346  Melica geyeri Leo Koch 1940-4-24 843 Sonoma 1 mi. N of two and one half mile junction from Kenwood and Glen Ellen in Bennett Valley. Comment
  CAS-BOT-BC281390  Melica harfordii John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54694 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  UCD88631  Melica subulata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC262553  Melica torreyana G. DeNevers 1981-4-4 629 Sonoma Pepperwood Ranch. By Studio Comment
  CAS-BOT-BC262562  Melica torreyana Lewis S. Rose 1965-4-4 65022 Sonoma 1 mi. north of Sonoma 60 Comment
  CAS-BOT-BC262563  Melica torreyana A. A. Heller 1902-3-17 5084 Sonoma Hills near Santa Rosa Comment
  POM204779  Melica torreyana A. A. Heller 1902-3-27 5160 Sonoma Western base of Mt. Hood. Comment
  UC618995  Melica torreyana H. S. Yates 1935-5-16 5616 Sonoma 3 mi nw Camp Meeker; Seabastopol Quad. 60 Comment
  UCD160754  Melica torreyana James A. Neilson Jr. 1975-5-23 3215 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  UCD88858  Melica torreyana Beecher Crampton 1959-6-16 5383 Sonoma 1 mile E of Occidental. Comment
  UCD89115  Melica torreyana Gerry North 1993-4 25 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. First pullout on right after Pony Gate Gulch Creek. 213 Comment
  CAS-BOT-BC164365  Mentha Peter Rubtzoff 1956-9-15 2899 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC173615  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi. east of Healdsburg. Russian River Comment
  RSA785673  Mentha Peter Rubtzoff 1960-9-17 4559 Sonoma Laguna de Santa Rosa, E of Graton (between Occidental and Guerneville Road). Comment
  UC726378  Mentha pulegium A. A. Heller 1923-7-12 13806 Sonoma Windsor Comment
  CAS-BOT-BC164098  Mentha pulegium Peter Rubtzoff 1958-8-31 3950 Sonoma Atascadero Creek Marsh. Comment
  SEINET12330323  Mentha pulegium W. Knight, Knight, I. 1984-1 5429 Sonoma Willow Creek Road 61 Comment
  SEINET7952677  Mentha pulegium G. R. Hall 1906-10-14 s.n. Sonoma Guerneville. Comment
  UCD125123  Mentha pulegium Mary M. Hektner 1974-9-12 183 Sonoma Sea Ranch. Near State Highway 1. Unit 7 Owners' Map. Comment
  CAS-BOT-BC164705  Mentha spicata Peter Rubtzoff 1960-9-14 4557 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road). Open, moist ground. Comment
  RSA785143  Mentha spicata Peter Rubtzoff 1968-8-24 5936 Sonoma Forest Hills, 5.5 mi E of Guerneville. On Russian River bank. Comment
  UCR279625  Mentha spicata Peter Rubtzoff 1961-8-24 4696 Sonoma Fife Creek Marsh [near Guerneville] Comment
  CAS-BOT-BC173571  Mentha spicata Peter Rubtzoff 1961-8-24 4696 Sonoma Fife Creek Marsh. Comment
  UCD165333  Mentha suaveolens Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC428955  Micranthes californica H. L. Mason 1931-3-7 5807 Sonoma Vine Hill School, 12 miles west of Santa Rosa Comment
  CAS-BOT-BC322598  Micropus amphibolus John Thomas Howell 1965-3-25 41033 Sonoma 3 miles southeast of Sonoma 76 Comment
  CAS-BOT-BC348624  Micropus californicus var. californicus Alice Eastwood 1921-4-24 10381 Sonoma Santa Rosa Comment
  CAS-BOT-BC348631  Micropus californicus var. californicus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53960 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-BC348634  Micropus californicus var. californicus Barrett Anderson 1987-4-27 3472 Sonoma Petaluma, south of El Rose and west of D Street 120 Comment
  UC88384  Micropus californicus var. californicus Miss Alice Eastwood 1893-4-26 Sonoma Santa Rosa Comment
  CAS-BOT-BC312708  Mimulus Peter Rubtzoff 1969-5-24 6060 Sonoma Vernal pool 6.5 miles northeast of Penngrove, on Lichan Road 426 Comment
  CAS-BOT-BC320521  Mimulus Peter Rubtzoff 1970-6-21 6265 Sonoma Along sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  UCD39137  Mimulus cardinalis Beecher Crampton 1964-8-18 7144 Sonoma N.E. 'The Geysers', Big Sulphur Creek. Comment
  RSA535425  Mimulus douglasii David M. Thompson 1988-3-29 862 Sonoma Lake Sonoma Recreation Area. Liberty Glen Campground entrance booth. 2.8 mi W of bridge over Lake Sonoma along Rockpile Road, then 0.4 mi S along paved campground road to booth. 0.1-0.2 mi NE of parking area for fee booth. 183 Comment
  RSA0040389  Mimulus guttatus Peter Rubtzoff 1954-7-29 1606 Sonoma Gerneville Marsh. Comment
  UCR248894  Mimulus guttatus Peter Rubtzoff 1958-7-5 3748 Sonoma Atascadero Creek Marsh Comment
  UCR275268  Mimulus guttatus Peter Rubtzoff 1955-7-9 1929 Sonoma North Coast Range, Forestville Marsh 71 Comment
  UC1012405  Mimulus microphyllus Francis W. Pennell Jul 2 1940-Jul 3 1940 26039 Sonoma ne Kenwood Springs 396 Comment
  JEPS117080  Mimulus tricolor Peter Warner 2010-5-6 138 Sonoma Annadel State Park, in upland vernal pool ~250m N of Canyon Trail, ~220 m W of Spring Creek, just S of old rock wall Comment
  JEPS18124  Minuartia douglasii Rimo Bacigalupi with G. T. Robbins and F. Hoffmann May 1956 5674 Sonoma The Butcher Knife (R12W) Big Austin Creek (at base, along secondary road following creek) 182 Comment
  RSA77981  Minuartia douglasii Verne Grant, Alva Grant 1946-04 7671 Sonoma On Hwy 12, N of intersection of highways 48 & 37. Comment
  JEPS42871  Mollugo verticillata Alice King Oct. 1896 Sonoma Russian River, Healdsburg Russian River; , Healdsburg Comment
  CAS-BOT-BC435115  Mollugo verticillata James McMurphy 1906-7-16 s.n. Sonoma Fulton Comment
  CHSC67999  Monardella villosa subsp. franciscana Jack Guggolz 1991-6-19 1194 Sonoma About 1/8 mile from the ocean and 1/2 mile south of the intersection of the Meyers Grade and Hwy 1. 182 Comment
  UC634860  Monardella villosa subsp. franciscana H. L. Mason 1928-7-10 4883 Sonoma Near Ocean, Jenner Comment
  UC1299606  Monardella villosa subsp. villosa Freed W. Hoffman 1946-9-26 577 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC314204  Monardella villosa subsp. villosa H. D. Ripley; R. C. Barneby 1945-6-22 6939 Sonoma N. of Jenner 30 Comment
  SEINET3822997 Image available Monardella villosa subsp. villosa C. L. Hitchcock, J. S. Martin 1939-7-15 5446 Sonoma Cliffs below Bodega State Park Comment
  CAS-BOT-BC445007  Montia fontana Peter Rubtzoff 1962-4-11 4791 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UCR106049  Montia fontana Peter Rubtzoff 1966-4-30 5685 Sonoma North side of Hwy 116, 0.5 miles northwest of Stony Point Road crossing Comment
  CAS-BOT-BC444999  Montia fontana Peter Rubtzoff 1952-3-23 900 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC445060  Montia linearis Alice Eastwood 1921-4-24 10348 Sonoma Santa Rosa Comment
  UCD110293  Morella californica Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-29 091 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA227203  Myosotis discolor Peter Rubtzoff 1962-6-19 4917 Sonoma Occidental Marsh. Comment
  RSA26145  Myrica californica E. K. Balls, P. C. Everett 1953-10-9 18604 Sonoma 0.2 mi. NW of Ocean cove, Hwy 1 between Fort Ross and Point Arena; 5 mi. NW of Fort Ross. 91 Comment
  RSA800152  Myriophyllum brasiliense Peter Rubtzoff 1966-6-27 5770 Sonoma Santa Rosa Creek area, ca. 1 mi east of Laguna de Santa Rosa. Comment
  CAS-BOT-BC258917  Myriophyllum hippuroides Peter Rubtzoff 1954-8-12 1699 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC268089  Myriophyllum hippuroides Peter Rubtzoff 1955-7-2 1916 Sonoma Boggs Lake, southern shore of the lake. Comment
  CAS-BOT-BC258916  Myriophyllum verticillatum Peter Rubtzoff 1955-8-13 2039 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  RSA0028934  Myriophyllum verticillatum Barbara Ertter 1988-11-5 8034 Sonoma Lake Sonoma 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  UC729998  Nassella cernua Leo F. Koch 1940-4-24 844 Sonoma roadside n junction 2 1/2 miles from Kenwood and Glen Ellen; Bennett Valley Comment
  CAS-BOT-BC260071  Nassella lepida John Thomas Howell; et al. 1981-5-14 53946 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-BC260074  Nassella lepida G. DeNevers 1981-5-9 1106 A Sonoma Pepperwood Ranch, S of Redwood Canyon Comment
  UCD144430  Nassella lepida Frederica Bowcutt 1996-5-19 2127 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon firebreak (narrow) btw. lower Bald Mtn. and Bald Mt. Trail. 487 Comment
  CAS-BOT-BC260286  Nassella pulchra A. A. Heller 1902-4-23 5350 Sonoma Near Sonoma Comment
  CAS-BOT-BC260287  Nassella pulchra A. A. Heller 1902-4-23 5350 Sonoma Near Sonoma Comment
  RSA656745  Nassella pulchra Beecher Crampton 1956-4-24 3310 Sonoma 2.5 miles north of Healdsburg. Comment
  UCD33091  Nassella pulchra Beecher Crampton 1966-5-10 7721 Sonoma Sonoma County, 3 miles south of Healdsburg next to railroad. Comment
  UCD87462  Nassella pulchra Beecher Crampton 1956-4-24 3310 Sonoma 2.5 miles north of Healdsburg. Comment
  CAS-BOT-BC60518  Nasturtium officinale Peter Rubtzoff 1955-8-13 2046 Sonoma Duncans Mills Marsh. In upper portion of marsh. Comment
  UCD161268  Nasturtium officinale James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3684 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of Big Sulphur Creek and the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  UC73612  Navarretia cotulifolia Milo S. Baker May 1899 Sonoma Santa Rosa Comment
  UC1719856  Navarretia intertexta David Fruchter 1978-9-17 93 Sonoma Glen Ellen Comment
  CAS-BOT-BC230366  Navarretia leucocephala subsp. bakeri Peter Rubtzoff 1974-5-26 7493 Sonoma Todd Road 1.5 miles from Highway 116 and 0.5 mile from (W of) Llano Road Comment
  CAS-BOT-BC230367  Navarretia leucocephala subsp. bakeri Peter Rubtzoff 1966-7-4 5773 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road 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
  CAS-BOT-BC230374  Navarretia leucocephala subsp. bakeri Alice Eastwood; John Thomas Howell 1938-7-6 6083 Sonoma 2 miles N of Windsor Comment
  UC72062  Navarretia pubescens Miss M. Alice King Jun 1897 Sonoma near Healdsburg Comment
  UC909750  Navarretia squarrosa Milo S. Baker 1950-7-25 12310 Sonoma near mouth of Adobe Canyon (in yard of Mrs. Silva); Sonoma Canyon Comment
  UCR118961  Navarretia squarrosa Beecher Crampton 1957-7-11 4313 Sonoma Central coast, State Highway 1, 1.25 miles southeast Bodega Bay 15 Comment
  UCR30591  Navarretia squarrosa John C. Roos 1950-7-22 4878 Sonoma North Coast Range, 2 miles east of Duncan Mills 61 Comment
  RSA94353  Navarretia viscidula Peter Rubtzoff 1951-7-21 523 Sonoma Pitkin Marsh near Forestville; dry ground bordering the Upper Marsh in the west Comment
  UC24176  Nemophila heterophylla H. N. Bolander 1864-4-17 3802 Sonoma Santa Rosa Creek Comment
  UCD119981  Nemophila heterophylla Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1753 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trail approx. 200 yds. From just E of Bear Creek about 5 yds. N of confluence with Sonoma Creek. 198 Comment
  UCR265121  Nemophila heterophylla Ann Howald 2015-4-1 3326 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  UCD23401  Nemophila heterophylla Wesley Ebert 1977-4-9 18 Sonoma Pale blue flowers with white center. In rich moist humus. Shaded by Umbellularia californica and Quercus agrifolia, but getting some afternoon exposure. On east facing slope. 6000 Soldiers Ln., Penngrove. On west side of Sonoma Mtn. 457 Comment
  CHSC31076  Nemophila menziesii N. Kvasnik 1980-4-2 1 Sonoma Ca. 15 mi se of Petaluma. Ca. 1.3 mi w of jct of Warm Springs Rd and Sonoma Mountain Rd on s side of road. 225 Comment
  SEINET12345599  Nemophila menziesii F. H. Utech, Kawano, S.; Ohara, M. 1995-3-26 95 -59 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  UC880916  Nemophila menziesii Alice Eastwood 1915-5-1 6843 Sonoma Mt. St. Helena Comment
  UC1057439  Nemophila menziesii G. Thomas Robbins 1937-3-26 42 Sonoma along the Guernville Highway near Village; near Village Comment
  UC65022  Nemophila parviflora M. L. Baker 1898-4-3 15 Sonoma betw Guerneville and Cazadero; betw Guerneville and Cazadero Comment
  CAS-BOT-BC157698  Nicotiana Peter Rubtzoff 1958-8-30 3939 Sonoma Vacation Beach, near Guerneville, along Russian River Comment
  CAS-BOT-BC173515  Nicotiana Peter Rubtzoff 1970-9-13 6387 Sonoma Russian River bottom at Forest Hills, 5.5 miles East of Guerneville Comment
  CAS-BOT-BC157975  Nicotiana Peter Rubtzoff 1961-8-24 4699 Sonoma Fife Creek Marsh, in creek bed Comment
  CAS-BOT-BC166971  Nicotiana Peter Rubtzoff 1961-8-22 4695 Sonoma Fife Creek Marsh Comment
  JEPS13900  Nicotiana acuminata var. multiflora W. L. Jepson 1914-9-19 6191 Sonoma Agua Caliente; Sonoma Valley 25 Comment
  UC70571  Nicotiana quadrivalvis W. A. Setchell 1905-8-13 Sonoma banks of Russian River (Bohemia); Bohemia Comment
  SD99414  Notholithocarpus densiflorus var. densiflorus Christopher Davidson 1977-6-17 5874 Sonoma 3 miles west of Guerneville, on state highway 12 14 Comment
  SDSU655  Nuphar lutea subsp. polysepala D. F. Howe 1972-6-27 4840 Sonoma Duncan Mills Pond Comment
  UC136307  Nuphar lutea subsp. polysepala G. A. Newell Aug 1900 Sonoma Russian River Station Comment
  UCR255727  Oemleria cerasiformis Greg de Nevers 1998-3-4 11138 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1084460  Oenanthe sarmentosa G. Thomas Robbins 1937-6-5 222 Sonoma ca. 10 mi. w. Santa Rosa (Marsh on Pitkin Ranch, Vine Hill Region); Vine Hill region, Marsh on Pitkin Ranch Comment
  RSA20410  Oenanthe sarmentosa Roxana S. Ferris 1937-8-18 9376 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  UCD149026  Onopordum illyricum Andrew Smith 2011-12-21 160423 0 Sonoma Santa Rosa; Pepperwood Preserve; 3450 Franz Valley Road., near Mark West Springs Road. 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
  CAS-BOT-BC500334  Orobanche uniflora subsp. occidentalis Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  RSA66918  Orthocarpus attenuatus E. K. Balls 1951-5-3 16405 Sonoma Ca. 1 mi. e. from Petrified Forest, road to Calistoga 610 Comment
  POM15638  Orthocarpus erianthus A. A. Heller, H. E. Brown 1902-4-15 5292 Sonoma Santa Rosa. Comment
  RSA40113  Orthocarpus faucibarbatus L. S. Rose 1948-5-1 48097 Sonoma Valley Ford. 14 Comment
  RSA402029B  Orthocarpus faucibarbatus J. T. Howell 1931-4-1 6038 Sonoma 9 miles SW of Sonoma on road to San Rafael. Comment
  SEINET8733536 Image available Orthocarpus faucibarbatus Lewis S. Rose 1933-1 33158 Sonoma BODEGA BAY Comment
  POM180617  Orthocarpus faucibarbatus var. albidus J. T. Howell 1930-6-8 5278 Sonoma Hillside overlooking the ocean, 8 miles N of Bodega Bay Comment
  UC1295818  Osmorhiza berteroi unknown 1892-2 Sonoma Petrified Forest Comment
  UCD127765  Osmorhiza berteroi J. Adams; J. Weick 1993-5-8 296 Sonoma about 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. 365 Comment
  SEINET12121508  Osmorhiza chilensis F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -087 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  UCD110981  Oxalis oregana R. H. Miller 1949-4-6 21 Sonoma beside Highway 12, about 5 miles southeast of Monte Rio. Comment
  CAS-BOT-BC254465  Panicum Peter Rubtzoff 1986-9-28 9749 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville Comment
  CAS-BOT-BC376436  Panicum Greg de Nevers 1996-9-22 10878 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Mark West Creek at Leslie Creek. 400 Comment
  UCD165323  Panicum Peter Rubtzoff 1973-8-20 7232 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UC1146581  Panicum acuminatum var. acuminatum Freed W. Hoffman 1942-6-21 2143 Sonoma at Hillcrest on highway from Forestville to Sebastopol; North Coast Ranges Comment
  UC1254542  Panicum acuminatum var. acuminatum R. Spellenberg 1964-6-15 402 Sonoma 17 mi e Geyserville; The Geysers, e of Geyserville Comment
  UCD88406  Panicum acuminatum var. fasciculatum Beecher Crampton 1957-7-22 4386 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCSB432  Panicum acuminatum var. fasciculatum Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners Comment
  HSC83426  Panicum acuminatum var. fasciculatum Mary M. Hektner 1974-7-6 132 Sonoma Sea Ranch, near golf course. Comment
  UCD32823  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 a Sonoma N.E. Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). Comment
  UCD89125  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 c Sonoma North East part of county. The Geysers. 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
  JEPS30838  Parapholis incurva Rimo Bacigalupi and L. R. Heckard 1962-6-19 8594 Sonoma just above beach line on Bodega Harbor side Bodega Head (opposite spit of Doran Beach); Bodega Harbor side of Bodega Head, opposite Doran Beach Comment
  UCD35512  Paronychia franciscana Beecher Crampton 1957-7-22 4363 Sonoma Along State Hwy. 1, 8.2 miles north of Stewart's Point. Comment
  CAS-BOT-BC259692  Paspalum dilatatum Walter & Irja Knight; John Thomas Howell 1987-5-14 6386 Sonoma Llano Road near sewage treatment plant Comment
  CAS-BOT-BC259693  Paspalum dilatatum John Thomas Howell; Walter & Irja Knight 1981-6-4 6244 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC202871  Paxistima myrsinites H. L. Mason 1934-4-28 8079 Sonoma Dohrman Creek at head of Jenson's Ranch Comment
  CAS-BOT-BC202874  Paxistima myrsinites Richard Mc. P Brown 1979-7-4 s.n. Sonoma Camp Meeker, St. Dorothy's Rest (Episcopalian retreat) Comment
  CDA12037  Pedicularis densiflora G. F. Hrusa 1990-1-2 7352 Sonoma North Coast Biodiversity Arena; Hogback Mtn. between headwaters of Nathanson and Agua Caliente Creeks, approximately 4 km. NE of Sonoma. Comment
  UC1239019  Pedicularis densiflora Freed W. Hoffman 1947-5-30 556 Sonoma Austin Creek; North Coast Ranges, Layton Mine Comment
  SEINET12183627  Pelargonium grossularioides H. K. Wagnon 1989-1 1894 Sonoma around Jack London's Original ?, Jack London State Park Comment
  POM23403  Pellaea mucronata Anonymous 1893-03 12676 Sonoma Hoods Peak Comment
  SEINET5328497 Image available Penstemon heterophyllus W. Roderick 1967-6-18 s.n. Sonoma Mark West Springs Road, NE of Santa Rosa 61 Comment
  JEPS78830  Penstemon heterophyllus var. australis Edward Lee 1936-6-7 2199 Sonoma on the fire trail near Highpoint (Bohemian Grove); , near Highpoint Comment
  JEPS27315  Penstemon heterophyllus var. heterophyllus Eleanor Armstrong 1932-5-26 479 Sonoma 1 1/2 mi e Camp Meeker; e of Camp Meeker 121 Comment
  UC887199  Penstemon newberryi var. sonomensis Alice Eastwood 1915-6-6 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC71730  Pentagramma triangularis subsp. triangularis Peter Rubtzoff 1952-6-3 1164 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  UC1193125  Pentagramma triangularis subsp. triangularis P. Zinke 1950-4-25 114 Sonoma Oat Valley; Quadrangle 61A4 182 Comment
  CAS-BOT-BC222745  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1962-8-3 5017 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC413662  Persicaria amphibia Peter Rubtzoff 1963-7-14 5198 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC413663  Persicaria amphibia Peter Rubtzoff 1960-5-29 4425 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  UCD161302  Persicaria amphibia James A Neilson Jr. 1976-5-10 3688 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
  UCD165109  Persicaria hydropiper Peter Rubtzoff 1973-9-9 7310 Sonoma Kenwood Marsh. 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-BC418903  Persicaria hydropiperoides Peter Rubtzoff 1954-8-10 1675 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC418893  Persicaria hydropiperoides John Thomas Howell 1946-8-17 22856 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC419106  Persicaria lapathifolia W. W. Carruth 1900-7-1 s.n. Sonoma Russian River Comment
  CAS-BOT-BC419107  Persicaria lapathifolia John Thomas Howell 1946-8-17 22855 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC540804  Persicaria pensylvanica Peter Rubtzoff 1973-9-9 7325 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC419424  Persicaria punctata Peter Rubtzoff 1954-6-7 1487 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC419421  Persicaria punctata Peter Rubtzoff 1952-10-26 1334 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  CAS-BOT-BC330302  Petasites frigidus var. palmatus Dorothy Scherer 1996-3-25 013 Sonoma Kolmer Gulch, just E of Hwy 1 and S of stream, Fort Ross State Historic Park 11 Comment
  UCD98401  Petrorhagia nanteuilii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 67 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 Adobe Canyon Road. 259 Comment
  HSC101107  Phacelia bolanderi Peter Warner, Sarah Gordon 2011-6-15 213 Sonoma Russian Gulch, Sonoma Coast State Beach. ~ 3 miles N of Jenner; on W creek bank, ~ 130 m N of Hwy. 1 bridge 7 Comment
  RSA133558  Phacelia californica L. R. Heckard, Paul C. Silva 1952-4-14 219 Sonoma Along State Highway 1, just south of Goat Rock. Comment
  UC73702  Phacelia ciliata var. ciliata Milo S. Baker 1898-4-7 15 Sonoma Gualala River Comment
  UC1051810  Phacelia nemoralis subsp. nemoralis L. R. Heckard and C. R. Bell 1951-6-12 152 Sonoma rocky roadcuts and roadsides about 2.5 mi ne Alexander Valley (along road to Pine Flat) 60 Comment
  SEINET10824378  Phacelia suaveolens Peter H. Raven 1965-5-16 Raven 20219 Sonoma Burned flats near Frantz District School. Comment
  CAS-BOT-BC258946  Phalaris aquatica Peter Rubtzoff 1961-10-18 4771 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC258947  Phalaris aquatica G. DeNevers 1981-5-30 1404 Sonoma Pepperwood Ranch. 1st Canyons cutting EW on the E slope of Horse Hill Comment
  UCD88174  Phalaris aquatica Javier Penalosa 1961-5-24 1602 Sonoma Pepper Road. .9 miles N of Petaluma - Valley Ford Road. Comment
  CAS-BOT-BC259022  Phalaris californica H. S. Yates 1936-5-16 5618 Sonoma Near Green Valley School 91 Comment
  CAS-BOT-BC259023  Phalaris californica Lewis S. Rose 1962-6-1 62067 Sonoma 1 mi. nw of Freestone 76 Comment
  UCR244625  Phalaris lemmonii Peter Rubtzoff 1972-6-23 6784 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC265940  Phalaris minor Peter Rubtzoff 1959-6-6 4098 Sonoma Willow Creek Marsh, Sonoma County Marshes Comment
  RSA789053  Phalaris paradoxa Carrie A. Herd 1982-5-15 116 Sonoma Rohnert Park, C.S.U, Sonoma, between dorm parking lot and bicycle path Comment
  UCD89316  Phleum alpinum P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UC1186126  Phlox speciosa subsp. occidentalis Herbert L. Mason 1934-4-28 8065 Sonoma Jensen Ranch, head of Dohrman Creek Dohrman Creek Comment
  CDA14899  Phoradendron macrophyllum G. D. Barbe 1968-1-1 860 Sonoma Residence south of Occidental Road, 1.5 miles north of Sebastopol. 0 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-BC251214  Phyla nodiflora Peter Rubtzoff 1973-9-4 7301 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD138370  Phyllospadix scouleri P. G. Connors 1993-6-6 316 Sonoma Bodega Head and Dunes. Horseshoe Cove. Comment
  UCR279635  Picris echioides Peter Rubtzoff 1966-8-16 5783 Sonoma Laguna de Santa Rosa, northeast of Graton, c. 0.5 mile north of Guerneville [Rd.] 26 Comment
  UCD134384  Pinus attenuata J. M. Tucker 1951-6-26 2142 Sonoma Near Top of the World Ranch, about 5 miles due east of Glen Ellen. Comment
Read comments
Nov 30 2017
  NY61622  Pinus lambertiana Collector unspecified s.n. Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD134772  Pinus muricata Chris Bowen 1974-6-6 143 Sonoma On side of first hills east of Highway 1; Sea Ranch, near State Highway 1. 36 Comment
  SEINET10612004 Image available Pinus muricata var. borealis Daniel I. Axelrod 1983-7-7 Axelrod E- 3 Sonoma Vicinity of Salt Point, Sate Highway 1. Site on coarse, thickly bedded Eocene marine sandstone. 76 Comment
  CAS-BOT-BC72885  Pinus ponderosa James McMurphy 1908-10-3 s.n. Sonoma Smith Creek Comment
  JEPS128341  Piperia elongata Roger Raiche 2010-7-17 037 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. 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-BC157648  Plagiobothrys Peter Rubtzoff; Tim Tunison; Nancy Harrison 1976-6-5 8582 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC167090  Plagiobothrys Peter Rubtzoff 1969-5-3 6016 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC176145  Plagiobothrys Peter Rubtzoff 1969-5-11 6032 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  UCR279877  Plagiobothrys Peter Rubtzoff 1969-5-3 6017 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastopol 21 Comment
  RSA785667  Plagiobothrys bracteatus Peter Rubtzoff 1971-5-8 6430 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mi west of Arnold Drive. Comment
  SD260917  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-30 6233 Sonoma 5 miles north of Sears Point. 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
  UCD35301  Plagiobothrys greenei Beecher Crampton 1955-4-5 2413 Sonoma 2 miles southwest of Windsor. Comment
  UC725293  Plagiobothrys reticulatus A. A. Heller 1938-5-14 15081 Sonoma just back of the sea n of bay Bodega Bay Comment
  POM126230  Plagiobothrys stipitatus Michener, Bioletti 1892-5-1 s.n. Sonoma Shellville. Comment
  UCD35306  Plagiobothrys tenellus Beecher Crampton 1955-4-5 2409 Sonoma 3 miles west of Fulton, along Woolsey Road, below Mt. Olivet School. Comment
  UCR244618  Plagiobothrys undulatus Peter Rubtzoff 1971-7-23 6612 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 70 Comment
  SD88566  Plantago maritima subsp. juncoides Darley F. Howe 1972-5-3 Sonoma 4.0 miles north of Ft. Ross. Comment
  UCD124433  Plantago subnuda Frederica Bowcutt 1984-6-23 456 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. West of Highway 1, north of Gerstle Cove about 1/3 mile. 15 Comment
  UC1051634  Platanthera limosa Peter Kamb 1950-6-16 1857 Sonoma 1 mi n Sousa Corners (nw of Sebastopol, Pitkin Marsh); Pitkin Marsh Comment
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1
  UC118433  Platystemon californicus Katharine Brandegee 1905-6-25 Sonoma Bodega Head; Cliffs of Bodega Head Comment
  SD88404  Platystemon californicus Darley F. Howe 1972-5-1 Sonoma Duncan Point Comment
  SEINET6911641  Platystigma linearis Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Dunes near their base, Bodega Head, near middle of peninsula. Comment
  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
  UC1258209  Pleuropogon californicus Paul But with Raymond Auyeung 1975-5-17 P 40 Sonoma 2 mi ne of Sebastopol (1/4 mi from Hwy 12, on Llano Road) Comment
  UCD37569  Pleuropogon californicus Beecher Crampton 1955-4-5 2418 Sonoma 3 miles northwest of Cotati, Laguna de Santa Rosa, Llano Road. Comment
  UCD90156  Pleuropogon californicus G. F. Hrusa; A. Buckman, R. Gross 1995-4-1 12032 Sonoma Lagunda de Santa Rosa. Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. 75 Comment
  CAS-BOT-BC368081  Pleuropogon californicus Greg de Nevers 1998-4-28 11207 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge Comment
  UCD90189  Pleuropogon californicus var. californicus R. Tofsrud 1947-4-6 s.n. Sonoma Santa Rosa, off Hoen Avenue. Larry King's place. Comment
  UC1258216  Pleuropogon hooverianus Paul But 1976-4-26 P 5 Sonoma 0.5 mi from Freestone (on Bohemian Hwy at Freestone Flat Road) Comment
  CAS-BOT-BC311837  Poa Peter Rubtzoff 1974-4-6 7350 Sonoma Kenwood Marsh. Comment
  RSA0021492  Poa Peter Rubtzoff 1976-5-30 8557 Sonoma Kenwood Marsh Comment
  SEINET10590027  Poa A. Arthur Heller 1902-5-29 Heller 5628 Sonoma Near the summit of Mt. Hood. Comment
  CAS-BOT-BC255609  Poa annua G. DeNevers 1981-3-14 544 Sonoma Pepperwood Ranch. Pippindale farm, 7 miles NE of Santa Rosa near Mark West lodge, along Leslie Road, opposite the grey willows Comment
  CAS-BOT-BC255610  Poa annua Peter Rubtzoff 1958-9-21 4004 Sonoma Vacation Beach, near Guerneville, Russian River bottom Comment
  UCD90690  Poa bulbosa Gerry North 1993-4 40 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 365 Comment
  POM204981  Poa douglasii A. A. Heller 1902-3-29 5187 Sonoma Bodega Bay Comment
  RSA129393  Poa howellii H. S. Yates 1936-5-16 5608 Sonoma 1 mile NW of Mountain View School. 91 Comment
  RSA63655  Poa howellii Milo S. Baker s.n. Sonoma Hood Mountain; above Gray Ranch 305 Comment
  SEINET10602215  Poa nevadensis A. Arthur Heller 1902-4-9 Heller 5245 Sonoma In a railroad cut 3 miles South of Healdsburg. Comment
  SEINET10602223  Poa nevadensis A. Arthur Heller 1902-4-9 Heller 5249 Sonoma In a railroad cut 3 miles South of Healdsburg. Comment
  CAS-BOT-BC256030  Poa pratensis Peter Rubtzoff 1951-6-7 128 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  UC1011005  Poa secunda subsp. secunda Virginia Bufford 1936-5-21 358 Sonoma 2 mi from Geysers (Cloverdale Rd) Comment
  CAS-BOT-BC244199  Poa trivialis Peter Rubtzoff 1955-6-26 1905 Sonoma Duncans Mills Marsh, edge of the lower portion of the marsh Comment
  SEINET5560170  Poaceae E. Bernays 1985-1 s.n. Sonoma Jepson Prairie. Comment
  POM138562  Polygala californica Milo S. Baker 1898-5-8 601 Sonoma Glen Ellen Comment
  SEINET12205240  Polygala californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -162 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  UC109718  Polygala californica Mrs. K. Brandegee Sonoma El Verano Comment
Read comments
Sep 19 2007
  UCD109697  Polygala californica Beecher Crampton 1955-6-17 2954 Sonoma roadside, Cazadero. Comment
  CAS-BOT-BC258015  Polygonum Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7847 Sonoma Kenwood Marsh. Comment
  POM144893  Polygonum aviculare A. A. Heller 1902-6-11 5693 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  CAS-BOT-BC414280  Polygonum aviculare subsp. depressum Peter Rubtzoff 1961-8-22 4681 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC414317  Polygonum aviculare subsp. neglectum Peter Rubtzoff 1959-6-20 4161 Sonoma Willow Creek Marsh Comment
  CDA14281  Polygonum baldschuanicum S. Schoenig 1998-6-5 s.n. Sonoma North Coast Biodiversity Arena; Sonoma Creek next to Sonoma Creek Apts. in urban Sonoma city limits. 0 Comment
  CAS-BOT-BC109165  Polygonum bolanderi F. G. Krauss 1893-10-8 s.n. Sonoma K Ranch. Comment
  SEINET11935785  Polygonum lapathifolium J. T. Vale 1988-1 Sonoma In old bed of Russian River about 1/4 mi below bridge at Hacienda among boulders Comment
  SEINET11939060  Polygonum lapathifolium L. S. Rose 1938-1 38254 Sonoma Bloomfield 30 Comment
  UC465762  Polygonum parryi Brandegee June 1889 Sonoma Mt. St. Helena Comment
  RSA518814  Polygonum punctatum Barbara J. Ertter 1988-11-5 8031 Sonoma Lake Sonoma 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  UC62436  Polypodium J. Burtt Davy 1896-3-14 1662 Sonoma Austin Creek Comment
  UC440179  Polypodium calirhiza Michener and Bioletti Mar 1892 Sonoma <I, L, or S> Canyon Comment
  UCD136868  Polypodium glycyrrhiza Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 57 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Comment
  UCD136877  Polypodium glycyrrhiza Frederica Bowcutt 1994-6-12 1875 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 Canyon Trial along edge of Sonoma Creek just E of confluence wth Pony Gate Gulch Creek, just S of Adobe Canyon Road. 274 Comment
  CAS-BOT-BC72112  Polypodium scouleri John Thomas Howell 1930-7-27 5393 Sonoma 1 mile north of Fort Ross Comment
  CAS-BOT-BC331491  Polypogon interruptus Peter Rubtzoff 1973-7-24 7194 Sonoma Upper Green Valley Marsh. Comment
  HSC10828  Polypogon interruptus Leo Koch 1940-6-5 1012 Sonoma 3 mi. N of Santa Rosa along Hwy. 101, near pond in hills behind Fountaingrove Vineyard Comment
  CAS-BOT-BC233226  Polypogon maritimus Peter Rubtzoff 1960-6-7 4445 Sonoma Austin Creek Marsh Comment
  CAS-BOT-BC233227  Polypogon maritimus Peter Rubtzoff 1962-9-16 5084 Sonoma Russian River bottom, Vacation Beach, 2 miles below Guerneville Comment
  CAS-BOT-BC237399  Polypogon monspeliensis Greg de Nevers 1981-6-6 1494 Sonoma Pepperwood Ranch. On the S slope of Telegraph Hill, E of the road, above the cow trough Comment
  UC463112  Polypogon monspeliensis Milo S. Baker 1931-6-4 5235 Sonoma Griffin Ranch s Kenwood Comment
  JEPS86734  Polystichum californicum Jack and Betty Guggolz 1990-6-4 1056 Sonoma ca. 11 km e Healdsburg (on Ferrari-Carano Ranch) 198 Comment
  CAS-BOT-BC72175  Polystichum californicum A. T. Graff 1926-2-1 s.n. Sonoma Cazadero Comment
  SEINET11718542  Polystichum californicum W. Knight, Knight, I.; Ellman, P. 1986-1 5850 Sonoma Bouverie Audubon Preserve, 0.75 mi E of parking log along fire road 46 Comment
  UCR222555  Polystichum munitum George K. Helmkamp, E. A. Helmkamp 2010-6-5 16243 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  CAS-BOT-BC257354  Populus Peter Rubtzoff 1980-5-26 9447 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC452162  Potamogeton diversifolius Peter Rubtzoff 1962-6-8 4877 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC452163  Potamogeton diversifolius Peter Rubtzoff 1955-7-16 1970 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC257682  Potamogeton foliosus Peter Rubtzoff 1971-9-1 6667 Sonoma Spring Creek Reservoir area, east of Santa Rosa. Comment
  CAS-BOT-BC257683  Potamogeton nodosus Peter Rubtzoff 1971-6-25 6552 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UCR244635  Potamogeton nodosus Peter Rubtzoff 1970-8-18 6312 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
  CAS-BOT-BC454082  Potamogeton pusillus subsp. pusillus Peter Rubtzoff 1963-7-27 5214 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC454083  Potamogeton pusillus subsp. pusillus Peter Rubtzoff 1961-5-24 4610 Sonoma Upper Stemple Creek Marsh. Comment
  CAS-BOT-BC141955  Potentilla anserina subsp. pacifica Peter Rubtzoff 1959-6-13 4127 Sonoma Willow Creek Marsh - Sonoma County Marshes 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-BC141601  Potentilla uliginosa John Thomas Howell 1947-6-26 23297 Sonoma Cunningham Marsh Comment
  SEINET12049788  Prosartes hookeri F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -168 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road, between Jimtown & Mercuryville 330 Comment
  CAS-BOT-BC488337  Prunella vulgaris var. lanceolata James A. Neilson, Jr. 1974-7-10 2813 Sonoma Mayacmas Mountains, 1/4 mi S of Geyser Rock, W of Whispering Pines, NE Sonoma Co. 1082 Comment
  CAS-BOT-BC158588  Prunus James McMurphy 1908-10-3 s.n. Sonoma Smith Creek Comment
  CAS-BOT-BC159846  Prunus cerasifera Greg de Nevers 2002-3-12 12646 Sonoma North of Stewart Creek, near old homestead. Bouverie Audubon Preserve, Highway 12, Glen Ellen Comment
  RSA0045172  Prunus virginiana var. demissa Greg de Nevers 1998-6-2 11267 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley School Road at Bordjeiffs. 100 Comment
  CAS-BOT-BC357411  Pseudognaphalium microcephalum Walter Knight; Irja Knight 1963-9-15 300 Sonoma Los Alamos Rd, Santa Rosa Comment
  SBBG22252  Pseudognaphalium stramineum V. Haraden 1941-7-13 4 Sonoma E exposure to bay, Bodega Bay 15 Comment
  SBBG8250  Pseudognaphalium stramineum H. and M. Dearing 1939-5-14 3356 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  CAS-BOT-BC80182  Pseudotsuga menziesii Peter Rubtzoff 1951-8-18 636 Sonoma Western branch of the Upper Marsh Comment
  NY621795  Pseudotsuga menziesii B. Crampton 1960-10-10 5789 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET11738932  Pseudotsuga menziesii I. Knight, Knight, W. 1981-1 3980 Sonoma 6.2 mi up Cavedale Road from jct of state route #12 Comment
  UCR279641  Psilocarphus Peter Rubtzoff 1963-7-14 5203 Sonoma Laguna de Santa Rosa, east of Gratton 18 Comment
  CAS-BOT-BC176115  Psilocarphus Peter Rubtzoff 1963-7-14 5203 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC176171  Psilocarphus Peter Rubtzoff 1966-5-30 5746 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC176174  Psilocarphus Peter Rubtzoff 1970-5-30 6249 Sonoma 5 miles north of Sears Point. Comment
  UCD148450  Psilocarphus Peter Rubtzoff 1963-6-6 5168 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC362080  Psilocarphus tenellus H. L. Mason 1934-4-28 8083 Sonoma Jensen's Ranch, Dohrmann Creek Comment
  UCD133718  Psilocarphus tenellus var. tenellus Frederica Bowcutt 1996-5-21 2142 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon, campfire center, N of Somoma Creek about 40 meters. 365 Comment
  CAS-BOT-BC164677  Pteridium Peter Rubtzoff 1971-9-3 6699 Sonoma Southeastern border of Spring Creek Reservoir area. Comment
  UCD19498  Pteridium aquilinum var. pubescens Terry Reedy 1974-5-11 216 Sonoma Bodega Head. 15 Comment
  CAS-BOT-BC366943  Pyracantha crenulata Greg de Nevers 1993-7-10 10474 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa in creek W of Finnel cabin 400 Comment
  CAS-BOT-BC94703  Quercus X howellii D. E. Breedlove 1980-6-27 44776 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC61637  Quercus agrifolia Peter Rubtzoff 1951-9-15 746 Sonoma Pitkin marsh, near Forestville. Western branch of the Upper Marsh Comment
  UC1193300  Quercus agrifolia P. Zinke 1950-4-25 111 Sonoma Pine Mt. Road, Quad 61A4 487 Comment
  CDA12908  Quercus agrifolia var. agrifolia G. F. Hrusa, R. Gross 1996-3-31 12741 Sonoma North Coast Biodiversity Arena; On flats near residences of Foote Ranch, NE corner of Hwy 128 and Ida Clayton Rd. Approx. 10 m. N of Calistoga. Comment
  CAS-BOT-BC79567  Quercus dumosa Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5141 Sonoma Pine Flat Road 335 Comment
  SEINET12030397  Quercus dumosa W. Knight, Knight, I.; Howell, J. T. 1984-1 5078 Sonoma 0.4mi up Cavedale Rd from State Tr-12 91 Comment
  UCD166584  Quercus durata Dylan O. Burge 2016-8-21 2124 Sonoma Mayacmas Mountains, western slope of Hooker Canyon. 500 Comment
  SBBG53020  Quercus durata var. durata M. R. Benedict 1978-4-18 Sonoma above Skaggs Springs Rd ca. 8 mi W of Geyserville Comment
  CDA29269  Quercus garryana D. G. Kelch 2007-10-16 7 .645 Sonoma Novato. W 7th St on undeveloped hill. Comment
  UC424818  Quercus garryana Milo S. Baker 1927-11-5 2503 b Sonoma 2-3 mi w Skagg's Springs Hwy. Comment
  CDA18984  Quercus garryana S. Parnay 2000-8-14 PDR 022421 Sonoma Hidden Oaks Rd., Santa Rosa. 0 Comment
  HSC100879  Quercus garryana var. garryana Peter Warner 2011-6-16 218 Sonoma Jenner Headlands property, ~3 mi. NW of Jenner, lower Russian Gluch, near large rock outcrop downslope from Muniz Ranch Rd., ~400 m N20 deg. E from Hwy. 1 Russian Gulch Bridge. 27 Comment
  CAS-BOT-BC105479  Quercus kelloggii Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5387 Sonoma Pine Mt. Rd. Comment
  UC1135655  Quercus kelloggii C. M. Belshaw 1936-3-7 1563 Sonoma 0.25 mi w Trenton; Sebastopol Quad. 182 Comment
  UCD46739  Quercus kelloggii John M. Tucker 1952-9-20 2622 Sonoma California, Sonoma Co.; Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse; Comment
  CAS-BOT-BC105488  Quercus kelloggii Margot Lowry 1983-5-1 26 Sonoma ca 1 mile from top of Sonoma Mtn Rd on Sonoma Mtn 500 Comment
  CAS-BOT-BC62808  Quercus lobata Mary P. Wells 1984-6-4 327 Sonoma North Court Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC62849  Quercus lobata Peter Rubtzoff 1951-11-24 835 Sonoma Pitkin Marsh, near Forestville, south of the Upper Marsh Comment
  UCD14500  Quercus parvula var. shrevei Steven J. Barnhart 1995-2-1 s.n. Sonoma California, Sonoma Co.; Salt Point State Park east of Highway 1, near junction of fire road up to the meadow and the trail to the Pygmy Forest. Comment
  UCD163814  Quercus parvula var. shrevei Stephen K. Langer; and Charles S. Rand 1998-6-30 s.n. Sonoma Highway 128, 0.7 mi. southeast of Mendocino County line. 213 Comment
  UC1193235  Quercus wislizeni R. H. Neuns 1950-4-26 95 Sonoma 5 mi w The Geysers (Sulphur Creek Rd) 457 Comment
  UCD47597  Quercus wislizeni K. Cuff 1948-8-26 KC 58 Sonoma 5 miles north of Annapolis, Section 1, T. 11N, R. 14W. 426 Comment
  UCD47654  Quercus wislizeni Neuns 1948-8-25 RHN 23 Sonoma Seven miles northeast of Annapolis, Section 19, T 11N, R 13W, Sonoma County. 548 Comment
  UCD47610  Quercus wislizeni var. frutescens Frederica Bowcutt 1994-6-25 1921 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 1/2 mi from Gray Pine Trail. Confirmed by K. Mawdoley 21 Oct 1996. 670 Comment
  CDA31302  Quercus wislizeni var. wislizeni D. G. Kelch, Ed Biffin 2010-5-3 10 .207 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CAS-BOT-BC379158  Ranunculus aquatilis var. aquatilis Greg de Nevers 1992-4-21 10112 Sonoma Pepperwood Natural Preserve; 3450 Franz Valley Road, and surrounding sections, westernmost Double Pond 00000000000000000000000 457 Comment
  UC9381  Ranunculus aquatilis var. capillaceus State Survey 1862-4-18 970 Sonoma ponds near Sonoma Comment
Read comments
Jan 20 2011
  CAS-BOT-BC379124  Ranunculus aquatilis var. diffusus Peter Rubtzoff 1964-7-29 5434 Sonoma Brooks Gulch Marsh Comment
  JEPS73359  Ranunculus aquatilis var. subrigidus Edward Lee 1934-4-30 749 Sonoma 1 mi w Two Rock Junction 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
  UCD95942  Ranunculus californicus Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-6-24 61 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD95943  Ranunculus californicus Mary M. Hektner 1975-4-27 187 Sonoma About 10 yards from edge of ocean bluff; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD147007  Ranunculus muricatus Robert E. Preston 2011-4-28 2852 Sonoma Sonoma, in vacant lot N of MacArthur St, between 4th St and Hayes St. 21 Comment
  POM268847  Ranunculus muricatus R. C. Bacigalupi 1926-5-2 1368 Sonoma Cazadero. Comment
  UCD96257  Ranunculus muricatus Robert F. Thorne 1965-4-19 34273 Sonoma on Titus Ranch, Valley Ford. 18 Comment
  CDA36950  Ranunculus occidentalis 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-BC74235  Raphanus sativus Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol. Comment
  CAS-BOT-BC427547  Reseda luteola G. DeNevers 1981-5-30 1420 Sonoma Pepperwood Ranch. In Garrison yard. Comment
  SEINET12210981  Rhamnus californica W. Knight, Knight, I. 1984-1 5005 Sonoma Gualala Point Regional Park, in picnic area with grand firs and Douglas firs 11 Comment
  CAS-BOT-BC55945  Rhamnus crocea G. DeNevers 1981-4-30 893 Sonoma W arm of Garrison Canyon Comment
  LA41001  Rhododendron macrophyllum Washington Research Society; 1956-5-29 sn Sonoma 1 mi. SE of Gualla, NW county 15 Comment
  SBBG50850  Rhododendron neoglandulosum M. Yeargan 1973-5-30 83 Sonoma 3 mi SE of town of Stewarts Point Comment
  SFV2671  Rhododendron occidentale K. A. Wilson 1961-6-23 1236 Sonoma 2 miles north of Sebastopol on CA-Highway 12. 27 Comment
  UC1084452  Rhododendron occidentale G. Thomas Robbins 1937-5-23 204 Sonoma 10 mi w of Santa Rosa (Vine Hill Region, Pitkin Ranch); Vine Hill Region, Pitkin Ranch Comment
  UCD117916  Rhododendron occidentale Chris Bowen 1974-5-18 113 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCSB4804  Rhododendron occidentale Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners Comment
  CAS-BOT-BC200349  Rhododendron occidentale var. occidentale Mary P. Wells 1984-8-8 433 B Sonoma Deer Trail Road north of present end. The Sea Ranch Comment
  CAS-BOT-BC227170  Rhododendron occidentale var. occidentale G. F. Hrusa 1988-4-22 5569 Sonoma Cavedale Rd. between Hwy 12 and Hwy 29 300 Comment
  RSA787919  Rhododendron occidentale var. occidentale G. Fred Hrusa 1989-5-8 6091 Sonoma Hogback Mountain at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  CAS-BOT-BC111883  Rhynchospora californica Peter Rubtzoff 1951-7-28 560 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  UC963897  Rhynchospora californica Milo S. Baker 1945-7-18 11112 Sonoma Pitkin Marsh Comment
  UCD141231  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh. Comment
  UC1133746  Rhynchospora capitellata H. S. Yates 1936-5-16 5593 Sonoma 2 mi se Forestville; Sebastopol Quadrangle, Pitkin Marsh Comment
  RSA94267  Rhynchospora capitellata Peter Rubtzoff 1951-7-1 325 Sonoma Margin of Creek at Hwy 12, SE of Forestville Comment
  UC963928  Rhynchospora globularis var. globularis Milo S. Baker 1947-6-26 11840 Sonoma ca. 1 mi. (air line) s.w. Cunningham Station (Cunningham Marsh); Cunningham Marsh Comment
  RSA90511  Rhynchospora globularis var. recognita M. S. Baker 1945-7-18 11111 Sonoma Pitkin Marsh, upper meadow. Comment
  UC75440  Ribes californicum Milo S. Baker 1898-4-3 20 Sonoma between Forestville and Guerneville Comment
  CAS-BOT-BC198922  Ribes roezlii var. cruentum A. A. Heller; H. E. Brown 1902-3-12 5037 Sonoma Sonoma Creek, Eastern Base of Mt. Hood 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
  UC754295  Ribes roezlii var. cruentum R. Bacigalupi 1948-3-6 2857 Sonoma on road from The Geyers to Geyserville; Mayacamas Range Comment
  CAS-BOT-BC74691  Rorippa curvisiliqua Peter Rubtzoff 1953-5-16 1365 Sonoma Vacation Beach, near Guernville. Bank of Russian River. Comment
  CAS-BOT-BC74694  Rorippa curvisiliqua Peter Rubtzoff 1955-9-10 2143 Sonoma Vacation Beach, near Guernville. Bank of Russian River. Comment
  CAS-BOT-BC74699  Rorippa curvisiliqua Peter Rubtzoff 1958-8-16 3866 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC74717  Rorippa curvisiliqua Greg de Nevers 1992-6-16 10168 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek. 304 Comment
  UC10728  Rorippa curvisiliqua H. N. Bolander Apr 1864 3894 Sonoma Mark West Creek Comment
  UCD150847  Rorippa curvisiliqua Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  RSA247443  Rorippa curvisiliqua Peter Rubtzoff 1958-5-17 3662 Sonoma Laguna de Santa Rosa, north of Sebastopol, (nr. Occidental Road). Comment
  CAS-BOT-BC371459  Rosa Greg de Nevers 1989-4-1 9071 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC152658  Rosa californica Peter Rubtzoff 1951-8-18 631 Sonoma Western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  UC914710  Rosa californica Marcus E. Jones, A. M. 1882-7-18 Sonoma Duncan's Mills Comment
  UCD113879  Rosa gymnocarpa M. Wiesendanger 1927-5-5 737 Sonoma Kenwood Springs. Comment
  UC467684  Rosa gymnocarpa H. P. Chandler 1907-4-27 7542 Sonoma above 2nd reservoir (St. Helena to Santa Rosa) Comment
  CAS-BOT-BC156574  Rubus Peter Rubtzoff 1951-6-30 290 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  RSA800080  Rubus laciniatus Peter Rubtzoff 1954-7-28 1591 Sonoma Guerneville Marsh. Northwestern end of marsh. 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
  UCD113851  Rubus parviflorus Mary M. Hektner 1974-6-28 85 Sonoma Unit 21 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD15022  Rubus parviflorus Allen Hahus 1978-4-22 15 Sonoma along Jonive Road, 0.6 miles north of highway 12; 152 Comment
  UC467858  Rubus spectabilis Katharine Brandegee June 1905 Sonoma Bodega Comment
  UC73080  Rubus spectabilis Milo S. Baker 1898-4-5 Sonoma near Stewarts Point; near Stewarts Point Comment
  UCD17825  Rubus ursinus H. Olmo 8-10 May 1962 62- 11 Sonoma California. Sonoma County: 3.6 miles south of Stewarts Point. Facing ocean, 0.5 miles inland. Comment
  UCD17811  Rubus ursinus H. Olmo 8-10 May 1962 62 03 Sonoma California. Sonoma County: just north of Carmet along State Highway 1. Near Highway marker B14.58 and 100 yards up ravine from ocean shore. Comment
  UCD17815  Rubus ursinus H. Olmo 8-10 May 1962 62 10 Sonoma California. Sonoma County: 1.6 miles south of Timber Cove on ocean front ravine. Comment
  CAS-BOT-BC164402  Rumex Peter Rubtzoff 1959-6-20 4169 Sonoma Willow Creek Marsh. Comment
  SD39768  Rumex acetosella E. A. Purer 1932-7-21 4039 Sonoma Bodega Bay 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
  UCD160131  Rumex crispus James A. Neilson Jr. 1973-6-6 3061 Sonoma Mayacmas Mountains. The Geysers. Site IV A. (Exact location of Site IV A unknown. Elevation and coordinates estimated to be near Site IV G by label maker.) 731 Comment
  CAS-BOT-BC433416  Rumex crispus Peter Rubtzoff 1951-6-30 310 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  UCD101132  Rumex crispus Frederica Bowcutt 1994-6-24 1880 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa.Trailhead for Lower Bald Mountain trail off of Stern Trail. 377 Comment
  CAS-BOT-BC166799  Rumex fueginus Peter Rubtzoff 1963-10-5 5288 Sonoma Laguna de Santa Rosa east of Graton. Comment
  RSA783833  Rumex fueginus Peter Rubtzoff 1958-7-20 3792 Sonoma Laguna de Santa Rosa, NE of Graton (near Guerneville Road). Comment
  CAS-BOT-BC173566  Rumex pulcher Peter Rubtzoff 1966-6-5 5751 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  SD56751  Rumex pulcher Darley F. Howe 1963-7-2 3579 Sonoma 4.2 mi. no. of jnct. With #12 on #1, on sea bluff Comment
  POM37358  Rupertia physodes Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  UC1541361  Rupertia physodes H. E. and S. T. Parks 1930-5-9 604 Sonoma along stream Knights Valley Comment
  RSA107069  Rupertia physodes L. S. Rose 1956-6-18 56097 Sonoma 4 mi. w. of Graton, junction of Harrison grade and Green Valley Road. Comment
  UCD92339  Rytidosperma penicillatum Beecher Crampton 1957-7-22 4358 Sonoma below Bishop Pine Forest, along State Hwy. 1, 2 miles north of Stewards Point. Comment
  CAS-BOT-BC249309  Sagina Peter Rubtzoff 1956-9-14 2886 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  UCD166485  Sagina Peter Rubtzoff 1964-6-24 5370 Sonoma Lower Salmon Creek Marsh. Comment
  SEINET11933369  Salicornia depressa W. Knight, Knight, I. 1984-1 5083 Sonoma Gilardi's Resort near Lakeville on Petaluma River 3 Comment
  UCR249084  Salix Peter Rubtzoff 1973-8-27 7264 Sonoma Upper Green Valley Marsh Comment
  UCR249348  Salix Peter Rubtzoff, J. E. Eckenwalder 1974-4-6 7347 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC103081  Salix bonplandiana A. A. Heller 1902-4-18 5335 Sonoma Near Windsor on Russian River Comment
  CAS-BOT-BC103084  Salix bonplandiana Peter Rubtzoff 1952-6-15 1265 Sonoma Fitch Mtn. Grove, near Healdsburg. Bank of Russian River Comment
  UC1299158  Salix breweri Freed W. Hoffman 1947-5-30 517 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UC504067  Salix exigua var. hindsiana W. A. Setchell 1933-5-6 Sonoma between Monte Rio and Camp Meeker (<Brookside>) Comment
  UCD151172  Salix exigua var. hindsiana James A. Neilson Jr. 1974-3-3 3022 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  RSA0035349  Salix gooddingii Peter Rubtzoff 1955-4-9 1770 Sonoma Forestville Marsh. Comment
  UC66157  Salix laevigata A. A. Heller 1902-4-18 5335 Sonoma on Russian R. near Windsor; Russian R. Comment
  UC66172  Salix lasiandra subsp. lasiandra A. A. Heller 1902-4-18 5329 Sonoma on Russian R. near Windsor; Russian R. Comment
  CAS-BOT-BC128061  Salix lasiandra var. lasiandra Peter Rubtzoff 1952-3-23 891 Sonoma Pitkin Marsh, near Forestville, south of Upper Marsh Comment
  CAS-BOT-BC128064  Salix lasiandra var. lasiandra John Thomas Howell 1932-9-18 10772 Sonoma Bank of slough draining Kenwood Marsh. Comment
  CAS-BOT-BC107099  Salix lasiolepis Peter Rubtzoff 1952-3-23 872 Sonoma Lower part of the Upper Marsh Comment
  UC453087  Salix lasiolepis W. A. Setchell 1931-7-25 8 Sonoma lower bank of Russian at Bohemian Grove (near Monte Rio) Comment
  UC482062  Salix lasiolepis Baker, Ball, Bracelin, and Crum 1931-5-9 345 Sonoma about 2 km e Bodega Bay (creek bed) Comment
  UC482118  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  RSA94338  Salix lasiolepis Peter Rubtzoff 1952-3-23 895 Sonoma S of the Upper Marsh. Comment
  CAS-BOT-BC107358  Salix lasiolepis var. bigelovii C. R. Ball; B. S. Ball 1933-5-30 2511 Sonoma below road at Bay, Bodega Bay Comment
  SD133978  Salix lasiolepis var. bigelovii Peter Rubtzoff 1966-11-9 5837 Sonoma Salmon Creek near Freestone Comment
  CAS-BOT-BC128250  Salix lucida Peter Rubtzoff 1952-3-23 890 Sonoma Lower part of Upper Marsh in and open damp area - Pitkind Marsh, near Forestville Comment
  RSA534501  Salix lucida subsp. lasiandra Peter Rubtzoff 1962-5-5 4805 Sonoma Fife Creek Marsh. Comment
  POM219076  Salix melanopsis W. A. Setchell 1931-8-1 s.n. Sonoma Bohemian Grove. Near Monte Rio. Bed of Russian River. Comment
  SJSU192  Salix scouleriana Baker, Ball, Bracelin & Crum 1931-5-9 342 Sonoma 2 km E of Occidenta on Occidental Grade Comment
  UC524783  Salix scouleriana W. A. Setchell 1934-7-10 3 a Sonoma coast hwy. n. of Fort Ross Comment
  UCD111843  Salix scouleriana Baker; Ball, Bracelin, and Crum 1931-5-9 342 Sonoma Two km. east of Occidental. Comment
  CAS-BOT-BC126185  Salix scouleriana W. W. Schneebeli 1963-7-1 s.n. Sonoma Joy Grade Road on Fathergill Ranch west of Occidental Comment
  CAS-BOT-BC128911  Salix sitchensis A. A. Heller 1902-3-12 5044 Sonoma Sonoma Creek, foot of Mt. Hood Comment
  CAS-BOT-BC128944  Salix sitchensis Peter Rubtzoff 1970-8-25 6345 Sonoma Austin Creek margin 1/2 mile north of Cazadero Comment
  SBBG50693  Salix sitchensis R. F. Denno 1967-3-23 13 Sonoma St Hwy 1, 4 mi S of Fort Ross 30 Comment
  SBBG57980  Salix sitchensis C. R. Ball, H. P. Bracelin, H. E. Parks, S. Parks 1931-4-21 35 Sonoma Maacama Crk, 25 km NW of Calistoga Comment
  UC482106  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 35 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  UC504048  Salix sitchensis W. A. Setchell 1933-5-6 Sonoma roadside between Monte Rio and Camp Meeker Comment
  UCD111909  Salix sitchensis Mary M. Hektner 1974-7-20 157 Sonoma Paralleling Pacific Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 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
  RSA0038341  Salix sitchensis Carleton R. Ball, H. P. Bracelin, H. E. Parks, S. T. Parks 1931-4-21 35 Sonoma Maacama Creek, 25 km. northwest of Calistoga. Comment
  CAS-BOT-BC221106  Salvia sonomensis Alice Eastwood 1915-6-5 4601 Sonoma Petrified Forest Comment
  RSA177919  Salvia sonomensis Robert F. Thorne 1965-4-20 34368 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  CAS-BOT-BC245885  Sambucus nigra subsp. caerulea Peter Rubtzoff 1966-9-10 5818 Sonoma Atascadero Creek Marsh Comment
  UC174166  Sanicula arctopoides Katharine Brandegee June, 1905 Sonoma Bodega Comment
  UC353929  Sanicula arctopoides Milo S. Baker 1928-4-14 2980 a Sonoma Coast near Bay Bay Comment
  CAS-BOT-BC223346  Sanicula bipinnatifida Alice Eastwood 1921-4-24 10376 Sonoma Santa Rosa Comment
  UC750801  Sanicula bipinnatifida Charles B. Heiser Jr. 1946-4-13 1719 Sonoma between Jenner and Duncan Mills Comment
  CAS-BOT-BC223347  Sanicula bipinnatifida G. H. Mallory 1920-3-29 s.n. Sonoma East end of Sonoma Ave, Santa Rosa Comment
  UC923166  Sanicula laciniata Freed W. Hoffman 1950-5-24 3281 Sonoma North Coast Ranges, The Island, Devil Creek, a tributary of East Austin Creek Devil Creek; North Coast Ranges, The Island, Devil Creek Comment
  UCR265131  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
  RSA474863  Saxifraga mertensiana R. C. Bacigalupi 1948-3-6 2854 Sonoma 1 mile W of Skaggs Springs. Comment
  UC21366  Scandix pecten-veneris Michener and Bioletti May 1892 Sonoma Shellville Comment
  CAS-BOT-BC283149  Schedonorus arundinaceus Walter Knight; Irja Knight; J. T. Howell 1987-5-20 6282 Sonoma Northeast corner Llamo and Todd Roads 25 Comment
  CAS-BOT-BC283657  Schedonorus pratensis James Jokerst 1985-4-26 2275 Sonoma Near Caldwell Ranch Comment
  CAS-BOT-BC111438  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1960-6-25 4522 Sonoma Laguna de Santa Rosa northeast of Graton, ca 1/2 mi north of Guernebille Rd. crossing. Comment
  CAS-BOT-BC111798  Schoenoplectus pungens var. badius Peter Rubtzoff 1954-7-26 1558 Sonoma Lower Salmon Creek Marsh. Comment
  RSA0009470  Schoenoplectus tabernaemontani Marcus E. Jones 1931-7-5 29197 Sonoma Cloverdale. Comment
  UCR248932  Scirpus maritimus Peter Rubtzoff 1961-9-20 4750 Sonoma Bodega Harbor Marsh 0 Comment
  UCR249061  Scirpus maritimus Peter Rubtzoff 1954-8-6 2021 Sonoma Bodega Harbor Marsh 0 Comment
  CAS-BOT-BC111111  Scirpus microcarpus Peter Rubtzoff 1954-6-7 1484 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC111114  Scirpus microcarpus Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 3 miles east of Stewarts Point Comment
  CAS-BOT-BC361425  Scirpus microcarpus Greg de Nevers 1997-4-1 10925 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCR255659  Scirpus microcarpus Greg de Nevers 1997-4-1 10925 Sonoma Santa Rosa, Pepperwood Ranch, 3450 Franz Valley Road 400 Comment
  CAS-BOT-BC361398  Scleranthus annuus Greg de Nevers 1993-5-9 10441 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd., at Double Culverts 457 Comment
  UC1132933  Scribneria bolanderi L. W. Whitney 1935-4-14 Sonoma near Occidental 121 Comment
  CAS-BOT-BC320540  Scrophularia californica Peter Rubtzoff 1953-5-16 1356 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  SEINET10582627  Scrophularia californica subsp. californica Jon Ricketson, Deanna Vanderbur 1985-7-3 Ricketson 2616 Sonoma Fort Ross State Park, along State Highwa 1, between Fort Ross and Jenner above Pacific Ocean. 50 miles northwest of San Francisco. 30 Comment
  CAS-BOT-BC344882  Scrophulariaceae Peter Rubtzoff 1964-6-6 5355 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  CAS-BOT-BC376321  Scutellaria tuberosa Greg de Nevers 1993-4-27 10411 B Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Rd. 400 Comment
  CAS-BOT-BC63940  Sedum radiatum subsp. radiatum J. Clausen 1935-5-23 1076 Sonoma 1.2 miles S of Petrified Forest. Comment
  SD95206  Sedum spathulifolium Winifred Anderson 1966-5-7 21 Sonoma Pine Flat Road, 10 miles east of Healdsburg. 170 Comment
  SEINET194264 Image available Selaginella A. A. Heller 1902-4-2 Sonoma On the Calistoga Road 10 mi from Santa Rosa Comment
  CDA17204  Selaginella wallacei G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16203 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  CDA42468  Selaginella wallacei T. C. Fuller 1958-5-24 4016 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  SEINET10471225  Selaginella wallacei A. Arthur Heller 1902-3-10 Heller 5024 Sonoma Hills two miles east of Santa Rosa. Comment
  UCD167414  Senecio James Neilson 1978-5-3 3962 Sonoma Mayacmas Mountains, near Little Sulphur Creek in Pine Flat. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD151310  Senecio aronicoides James A. Neilson Jr. 1974-4-30 2726 Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, (Elevation and coordinates estimated by label maker.) 731 Comment
  UC727695  Senecio flaccidus var. douglasii Milo S. Baker 1946-6-17 11504 Sonoma Russian River Hiway about 5 mi n Cloverdale Comment
  CAS-BOT-BC173674  Senecio hydrophilus Peter Rubtzoff 1971-8-9 6636 Sonoma Laguna Lake in Chilano Valley. Comment
  UCD148366  Senecio minimus Peter Rubtzoff 1955-8-20 2056 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC364681  Senecio vulgaris Peter Rubtzoff 1973-8-20 7220 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  JEPS48268  Sequoia sempervirens W. L. Jepson 1903-10-4 2367 A Sonoma Eagle's Nest Camp Russian River Comment
  POM21700  Sequoia sempervirens A. A. Heller, H. E. Brown 1902-3-16 5080 Sonoma Russian River, Near Trenton Comment
  SEINET6727390  Sequoia sempervirens L. Fallon 1939-1-2 s.n. Sonoma 15 miles west of Santa Rosa on Guerneville Highway Comment
  JEPS128164  Sesbania punicea Eric Wrubel 2012-6-30 101 Sonoma Santa Rosa. Olivet Road at the intersection with Viking Road. Comment
  UCR255654  Setaria Greg de Nevers 1997-8-20 11086 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, 400 Comment
  CAS-BOT-BC243605  Setaria parviflora Burbank 1926-1-1 s.n. Sonoma Luther Burrant Garden Comment
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Sep 24 2017
  SEINET10827242  Setaria parviflora P. Rubtzoff 1971-9-2 Rubtzoff 6685 Sonoma Todd Road near Stony Point Road. Dry roadside ditch, in the open. Comment
  UCD92720  Setaria pumila John Thomas Howell 1947-9-26 32976 Sonoma near Guerneville. Russian River. Comment
  UCD92851  Setaria viridis Freed W. Hoffman 1941-7-3 2221 Sonoma Near Guerneville. Comment
  CAS-BOT-BC187888  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-8-4 569 Sonoma Southern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  UC535114  Sidalcea diploscypha H. E. and S. T. Parks May, 1930 625 Sonoma head of Alexander Valley Comment
  RSA293430  Sidalcea diploscypha Reino Alava 1958-5-24 2060 Sonoma About 4 miles east of Occidental Comment
  RSA87994  Sidalcea malviflora C. L. Hitchcock 1952-6-4 19586 Sonoma 8 miles N. of Ft Ross. Comment
  UC1012940  Sidalcea malviflora subsp. laciniata C. L. Hitchcock 1952-6-4 19582 Sonoma on road to Petaluma about 2 mi e Sebastopol; e of Sebastopol on road to Petaluma Comment
  CAS-BOT-BC213166  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 19638 Sonoma Kenwood Marsh, about 1/4 mile west of Kenwood Comment
  CAS-BOT-BC213167  Sidalcea oregana subsp. valida Milo S. Baker 1932-8-15 6013 Sonoma Marshy road ditch just W. of Kenwood. Comment
  CAS-BOT-BC213171  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 196368 Sonoma Kenwood Marsh about 1/4 mile west of Kenwood. Comment
  JEPS97939  Sidalcea oregana subsp. valida Jack and Betty Guggolz 1998-8-13 1581 Sonoma Knights Valley, W end; Bavarian Lion Ranch 122 Comment
  UC1601098  Sidalcea oregana subsp. valida Mrs. Booth Aug. 1894 Sonoma Knight's Valley Comment
  RSA143959  Silene californica Roxana S. Ferris, Laura Lorraine 1961-6-15 13552 Sonoma Green Valley Road 0.8 miles E of junction with Harrison Grade Road. Comment
  UC1137921  Silene californica H. S. Yates 1934-4-22 3863 Sonoma near Petrified Forest; Calistoga Quad., near Petrified Forest Comment
  UC1299501  Silene californica Freed W. Hoffman 1947-5-30 554 Sonoma Layton Mine North Coast Ranges, , Layton Mine (Austin Creek) Comment
  CAS-BOT-BC384436  Silene coronaria Peter Rubtzoff 1954-6-19 1498 Sonoma East Guernewood, near Guerneville Comment
  CAS-BOT-BC384437  Silene coronaria Peter Rubtzoff 1954-6-19 1498 Sonoma East Guernewood, near Guerneville Comment
  UCD98635  Silene gallica Frederica Bowcutt; Botany 102 Students 1994-5-21 1814 Sonoma Sugarloaf Ridge State Park; about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. Along Meadow Trail about 3/4 mile from trailhead. East from trail about 100 yards. 426 Comment
  CAS-BOT-BC389222  Silene laciniata subsp. californica Roxana S. Ferris; Laura Lorraine 1961-6-15 13552 Sonoma Green Valley Rd. 0.8 mi. E of junction with Harrison Grade Road Comment
  CAS-BOT-BC389219  Silene laciniata subsp. californica C. F. Leitholt 1893-6-1 s.n. Sonoma Sonoma Mt Comment
  CAS-BOT-BC389223  Silene laciniata subsp. californica A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero Comment
  CAS-BOT-BC5809  Silene scouleri subsp. grandis Alice Eastwood 1900-7-4 s.n. Sonoma Bodgea Point Comment
  UCD164685  Sisyrinchium Peter Rubtzoff 1976-5-30 8573 Sonoma Kenwood Marsh. Comment
  POM231112  Sisyrinchium bellum Jens Clausen 1935-5-24 1087 Sonoma 5.1 mi. S of Jenner on the Bodega road. Comment
  UCSB913  Sisyrinchium californicum Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; northwest of Sebastopol; 1 mile north of Sousa Corners 60 Comment
  UC1585373  Smilacina racemosa R. Raiche, K. Zadnik, and H. Forbes 1989-10-1 UCBG 6 Sonoma 0.3 km e Stewarts Point (on Skaggs Springs-Stewarts Point Rd, nw-facing bank) 50 Comment
  CAS-BOT-BC166966  Solanum Peter Rubtzoff 1959-8-30 4249 Sonoma Drake's Beach, near Guerneville. Comment
  CAS-BOT-BC166967  Solanum Peter Rubtzoff 1956-9-16 2930 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC166974  Solanum Peter Rubtzoff 1958-8-9 3837 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  UCD126855  Solanum carolinense T. C. Fuller 1967-9-12 16360 Sonoma 1605 Laguna Road, Sebastopol. Comment
  CAS-BOT-BC354323  Solidago Peter Rubtzoff 1969-8-26 6155 Sonoma Marsh on River Road ca. 3 miles west of Fulton. Comment
  UCR255057  Solidago californica Greg de Nevers 1989-9-15 9104 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC365583  Solidago elongata Peter Rubtzoff 1951-9-2 716 Sonoma Pitkin Marsh, near Forestville. Opening south of the Upper Marsh Comment
  CAS-BOT-BC365582  Solidago elongata Walter Knight; Irja Knight 1963-9-10 247 Sonoma Corner San Antonio Rd & D St. Ext. Comment
  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-BC365655  Solidago spathulata Mary P. Wells 1972-8-4 s.n. Sonoma The Sea Ranch Comment
  CAS-BOT-BC365259  Solidago velutina subsp. californica Peter Rubtzoff 1951-9-15 749 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  UCD159447  Solidago velutina subsp. californica D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 204 Sonoma Hill near W Shore Rd. Overlooking Campbell Cove. 29 Comment
  CAS-BOT-BC365265  Solidago velutina subsp. californica G. DeNevers 1981-7-28 1875 Sonoma Pepperwood Ranch. E side of Leslie Road, 40 miles S of the 1st bridge Comment
  UCR280137  Soliva sessilis Peter Rubtzoff 1971-5-8 6444 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive 137 Comment
  UCD94845  Sparganium emersum Malcolm A. Knobs; S. Galen Smith 1949-8-1 1109 Sonoma 2 miles E of Stewart's Point on road to Geyserville. Comment
  CAS-BOT-BC236636  Spartina foliosa Peter Rubtzoff 1963-8-17 5219 Sonoma Near Petaluma River, just east of Petaluma Comment
  UCD37286  Spartina foliosa Beecher Crampton 1958-12-30 5140 Sonoma Sonoma County, 10 miles west of city of Vallejo, along Sonoma Creek. Comment
  CAS-BOT-BC251230  Spergula arvensis Peter Rubtzoff 1962-5-25 4837 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  RSA41907  Spergula arvensis H. C. Cantelow 1936-1-26 1115 Sonoma Cliffs above Bodega Bay. Comment
  CAS-BOT-BC390045  Spergula arvensis Peter Rubtzoff 1952-3-23 880 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  CAS-BOT-BC320509  Spergularia Peter Rubtzoff 1969-8-14 6129 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  CAS-BOT-BC251315  Spergularia Peter Rubtzoff 1959-6-20 4146 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC320524  Spergularia Peter Rubtzoff 1974-6-9 7588 Sonoma Upper Green Valley Marsh. Comment
  UCD99193  Spergularia bocconi Frederica Bowcutt 1984-6-23 457 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County Coast. West of Highway 1, north of Gerstle Cove about 1/4 mile. 15 Comment
  RSA0022423  Spergularia rubra Peter Rubtzoff 1969-8-14 6130 Sonoma Along Salmon Creek, ca. 0.5 mi upstream from Hwy #1. Comment
  SEINET11933746  Spergularia rubra W. Knight, Knight, I. 1984-1 5150 Sonoma along Petalnona Blvd. , S North Side between B and C streets 5 Comment
  CAS-BOT-BC534956  Spirodela punctata Peter Rubtzoff 1964-8-20 5466 Sonoma Pond one mile SE of Jenner (near crossing of Hwys. 1 and 12) Comment
  CAS-BOT-BC502055  Stachys Peter Rubtzoff 1964-7-29 5446 Sonoma Brooks Gulch Marsh Comment
  RSA82588  Stachys ajugoides F. W. Peirson 1925-8-8 6341 Sonoma Roadside 6 miles south of Santa Rosa Comment
  UC1041056  Stachys ajugoides var. ajugoides J. W. Congdon 1880-7-25 Sonoma Petaluma Comment
  UC25968  Stachys ajugoides var. rigida Harley P. Chandler 1900-5-25 Sonoma Bodega Bay Comment
  UC416741  Stachys ajugoides var. rigida Katharine Brandegee Sonoma Bodega Comment
  UCD126021  Stachys bullata Author Unknown Date Unknown s.n. Sonoma exact location unknown. Comment
  HSC14408  Stachys rigida S. N. Wiemeyer 1962-4-20 20 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  RSA177954  Stachys rigida subsp. quercetorum Robert F. Thorne 1965-4-20 34324 Sonoma Parker Hill Road ca. 2 1/2 miles N of Santa Rosa and 1 mile N of Sonoma County hospital. 107 Comment
  SEINET12327820  Stachys rigida subsp. quercetorum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -081 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  UCD125568  Stachys rigida var. quercetorum Frederica Bowcutt 1994-5-21 1807 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, about 18 air miles NW of Napa, and about 2.5 air miles NE of Kenwood. Along the Meadow Trail, about 0.25 mile from the trail head. 396 Comment
  UCR256114  Stachys stricta Greg de Nevers 1993-8-8 10485 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC136315  Stellaria littoralis Alice Eastwood Jun 1899 Sonoma Bodega Point Comment
  UCD166456  Stellaria media Peter Rubtzoff 1954-9-6 1736 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC394957  Stellaria media Walter Knight; Irja Knight 1963-12-25 430 Sonoma Waste places - Marshall & Magnolia Aves., Petaluma 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-BC371379  Stellaria nitens Greg de Nevers 1998-5-5 11236 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  CAS-BOT-BC405133  Stellaria nitens D. E. Breedlove 1983-4-11 58691 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  CAS-BOT-BC376286  Stephanomeria Greg de Nevers 1992-7-15 10219 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Valley Road 304 Comment
  RSA0008979  Stephanomeria Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  UCD161864  Streptanthus James A. Neilson Jr. 1979-6-26 3976 Sonoma Mayacmas Mountans. About 2 1/2 miles northwest of Socrates Mine, 1/4 mile south of highest knoll above the Geysers on ridge that divides Big and Little Sulphur Creeks. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC61163  Streptanthus barbiger Roger Raiche 1984-6-10 RR 40212 Sonoma Hot Springs Road west of Cloverdale, 8.6 miles west on Hot Springs Road from its origin at Route 101, across Dry Creek. 198 Comment
  UC1492709  Streptanthus brachiatus Freed W. Hoffman 1950-6-22 3379 Sonoma summit of ridge about 0.5 mi s Mercuryville (on road to Big Geysers); North Coast Ranges Comment
  SEINET10815406 Image available Streptanthus glandulosus Fred W. Hoffman 1948-6-8 Hoffman 2323 Sonoma Great Eastern Quicksilver Mine near Guerneville, Sonoma County Comment
Read comments
May 8 2018
  CAS-BOT-BC87232  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-19 6436 Sonoma Spring Mountain Road, 7.5 miles west of Saint Helena. Comment
  UC10912  Streptanthus glandulosus subsp. secundus Edw. L. Greene 1894-6-17 Sonoma Mt. St. Helena Comment
  UC1292660  Streptanthus glandulosus subsp. secundus A. R. Kruckeberg 1947-5-3 1436 Sonoma along Hwy 28 between milepost A-1140 and milepost A-1150 (about 3/4 mi w of Maacamas Creek crossing, hwy from Calistoga to Healdsburg, w end of valley); Knight's Valley Comment
  UC1322476  Streptanthus glandulosus subsp. secundus Jerry Powell 1966-5-18 608 Sonoma two mi e Healdsburg (steep sw-facing outcrop next to road) Comment
  UC985959  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-5-23 1061 Sonoma Gabe's Rock North Coast Ranges, Poole Ridge (1 mi nw of Guerneville) Comment
  UC985961  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-7-30 1064 Sonoma near Guerneville; North Coast Ranges, Mt. Jackson Quicksilver Mine Comment
  UC985965  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-17 2342 Sonoma Herr road above Armstrong Woods; North Coast Ranges Comment
  CAS-BOT-BC87303  Streptanthus glandulosus subsp. sonomensis Doreen Smith 2003-5-1 s.n. Sonoma Coleman Valley Road. South of the road. Comment
  UC1102675  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1946-9-26 1020 Sonoma Layton Chromite Mine North Coast Ranges, Big Austin Creek (headwaters of creek); headwaters of Big Austin Creek at Layton Chromite Mine, Sonoma Co. Comment
  CAS-BOT-BC33877  Streptanthus tortuosus Frederick Theodore Bioletti 1897-5-30 s.n. Sonoma Hoods Pk. Comment
  UCD165872  Stuckenia pectinata Peter Rubtzoff 1970-10-3 6408 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  UCD166329  Symphoricarpos Peter Rubtzoff 1967-9-2 5877 Sonoma Freestone Marsh. Comment
  UCD166491  Symphoricarpos Peter Rubtzoff 1959-5-31 4075 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC540812  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  CAS-BOT-BC97828  Symphyotrichum chilense J. W. C. 1880-9-1 s.n. Sonoma Petaluma Comment
  UC1544808  Symphyotrichum chilense Almut G. Jones 1986-8-23 7252 Sonoma e of, along Hwy 116 Petaluma 300 Comment
  UC29836  Symphyotrichum chilense Edw. L. Greene 1888-9-1 1 Sonoma near Santa Rosa Comment
  CAS-BOT-BC98566  Symphyotrichum lentum F. G. Krauss 1893-10-8 s.n. Sonoma Mountains, Krauss Ranch Comment
  UC1119622  Symphyotrichum spathulatum H. S. Yates 1935-10-3 5346 Sonoma Santa Rosa Santa Rosa Quad. 53 Comment
  CAS-BOT-BC99378  Symphyotrichum subspicatum Peter Rubtzoff 1958-8-31 3960 Sonoma Atascadero Creek Marsh Comment
  CDA16162  Taeniatherum caput-medusae G. F. Hrusa, R. Gross 1999-6-12 15073 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
  UCD167336  Taraxia ovata James A. Neilson Jr. 1981-3-8 3984 Sonoma Mayacmas Mountains. Along Healsderg Geysers Rd. 1 mi. south Bragus Ranch. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CDA5449  Teesdalia coronopifolia D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .288 Sonoma Cavedale Rd. Comment
  CDA3894  Teesdalia coronopifolia Chas F. Quibell 1977-3-7 1392 Sonoma Western edge of Santa Rosa, southwest of intersection of Fulton and Piner Roads. 0 Comment
  CAS-BOT-BC447462  Tellima grandiflora Lewis S. Rose 1962-4-18 62023 Sonoma 1 mi. nw of firestone 76 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
  CDA27876  Thermopsis californica var. californica T. C. Fuller 1958-5-24 3993 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  UC73213  Thermopsis californica var. californica Milo S. Baker 1898-4-8 2 Sonoma road betw. Stewarts Pt. and Sea View Comment
  UC796642  Thermopsis californica var. californica Ira L. Wiggins 1949-4-30 12058 Sonoma roadside 6.8 mi e Santa Rosa (on road to Calistoga) Comment
  UCSB21296  Thermopsis californica var. californica McCarthy, Sharon 1965-4-11 Sonoma East side of Bennett Peak, 2.5 miles west on dirt road from junction at Lawndale Road, 1 mile from its junction with State Highway 12, southwest of Glen Ellen Comment
  CAS-BOT-BC66816  Thysanocarpus curvipes G. DeNevers 1981-4-4 637 Sonoma Pepperwood Ranch. 200 meters north of Pippindale garden. North of Studio. Comment
  CAS-BOT-BC66825  Thysanocarpus curvipes P. B. Kennedy 1920-5-29 s.n. Sonoma Russian River. Comment
  CAS-BOT-BC66826  Thysanocarpus curvipes Doris K. Kildale 1928-4-1 4399 Sonoma Top of grade just north of Cloverdale in Redwood Highway. Comment
  POM143752  Thysanocarpus curvipes var. curvipes A. A. Heller, H. E. Brown 1902-4-14 5287 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC67333  Thysanocarpus radians A. A. Heller; H. E. Brown 1902-4-8 5223 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  RSA135474  Tiarella trifoliata var. unifoliata Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  CAS-BOT-BC447587  Tiarella trifoliata var. unifoliata J. W. Congdon 1892-5-30 s.n. Sonoma Trail from Shell Beach to Pomo Campground. 40 Comment
  UC71975  Tonella tenella Milo S. Baker May 1903 Sonoma Sonoma Creek Comment
  JEPS128233  Torilis arvensis Roger Raiche 2000-5-28 115 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC81459  Torreya californica Mary P. Wells 1984-7-21 374 Sonoma Hot Spot (near So. Fork of Gualala River) The Sea Ranch Comment
  CAS-BOT-BC81461  Torreya californica J. W. Congdon 1880-5-17 116 Sonoma Guerneville Comment
  RSA789605  Torreya californica Richard W. Spjut, Peter Baye 2010-6-21 16713 Sonoma Fuller Creek near junction with High-Low Road and South Branch Road, east of Annapolis Road. 91 Comment
  JEPS48378  Torreya californica Docia Patchett 1922-1-1 Sonoma Sonoma coast Comment
  UCR265548  Torreyochloa pallida var. pauciflora Ann Howald, Christina Freeman 2015-6-1 3412 Sonoma Inner North Coast Ranges, Annadel State Park, Ledson Marsh, northwest corner, south of Marsh Trail 362 Comment
  CAS-BOT-BC169260  Toxicodendron diversilobum Peter Rubtzoff 1951-8-18 630 Sonoma Western branch of the Upper Marsh, Pitkin Marsh, near Forestville Comment
  UCR265093  Toxicoscordion fontanum Ann Howald, Christina Freeman 2015-4-13 3341 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
  JEPS128177  Toxicoscordion fremontii Roger Raiche 2001-5-17 024 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UCD139858  Toxicoscordion fremontii P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  UC157931  Trichostema laxum Milo S. Baker 1898-6-12 675 Sonoma Geyser Canyon Comment
  SEINET8729726 Image available Trientalis europaea var. latifolia Martha Meagher 1947-1 102 Sonoma County road one-half mile west of Freezeout Creek, across Russian River from Duncan's Mills. Comment
  CAS-BOT-BC166757  Trifolium Peter Rubtzoff 1974-5-26 7486 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC173623  Trifolium Peter Rubtzoff; Nancy Harrison 1974-5-26 7468 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC166756  Trifolium Peter Rubtzoff 1974-5-26 7495 Sonoma Todd Road, 1.5 miles from hwy. 116 and 0.5 miles from Llano Road. Comment
  RSA783465  Trifolium Peter Rubtzoff 1976-5-30 8555 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC217061  Trifolium amoenum Peter G. Connors 1993-5-31 311 Sonoma West-facing slope near top of ridge, Fitzpatrick Lane, west of Occidental Comment
  UC80343  Trifolium depauperatum var. amplectens Michener and Bioletti 1893-1 Sonoma Kenwood Comment
  POM21436  Trifolium dichotomum A. A. Heller, H. E. Brown, A. H. Heller 1902-4-14 5290 Sonoma Near Mark West Springs Comment
  UCD108861  Trifolium dubium Caitlin Lewis; William Mutch 1993-4-17 8 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain 1 mile. Near visitor center. 365 Comment
  UC16556  Trifolium gracilentum H. N. Bolander 1864-4-17 3804 Sonoma bank of Santa Rosa Creek Comment
  UCD111236  Trifolium incarnatum Elsie Zeile Lovegrove 1954-4-21 s.n. Sonoma Near Sonoma. 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
  UC866894  Trifolium microdon L. R. Abrams 1918-4-27 6916 Sonoma near Healdsburg (Independence School) Comment
  UCD33225  Trifolium microdon Beecher Crampton 1967-5-15 7926 Sonoma Sonoma County, Lytton. Comment
  UCD109256  Trifolium oliganthum Botany 102 Students 1993-4-24 98 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Hillside Trail. 396 Comment
  CDA31340  Trifolium repens D. G. Kelch, Ed Biffin 2010-5-3 10 .212 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCD38484  Trifolium repens Beecher Crampton 1955-6-17 2936 Sonoma 1/2 mile south of Guerneville. Comment
  JEPS66095  Trifolium variegatum var. melananthum F. T. Bioletti 1893-5-26 Sonoma South Los Guilicos Comment
  JEPS128367  Trifolium willdenovii Roger Raiche 2000-4-2 015 .00 Sonoma The Cedars. Bearpen Creek watershed (CalWater # 1114.120002). Comment
  JEPS4354  Trifolium willdenovii W. L. Jepson 1912-4-17 4770 Sonoma Sonoma Valley Comment
  POM21427  Trifolium willdenovii A. A. Heller, H. E. Brown 1902-4-9 5238 Sonoma Three Miles South of Healdsburg. Comment
  UC165605  Trifolium willdenovii Milo S. Baker 1898-4 729 Sonoma Santa Rosa Creek canyon Comment
  POM210216  Trifolium willdenovii H. E. Parks 1930-5-9 s.n. Sonoma Alexander Valley. Comment
  UCD35305  Trifolium willdenovii Beecher Crampton 1955-4-5 2404 Sonoma 2 miles west of Fulton, along Woolsey Road. Comment
  UC1541598  Trifolium wormskioldii H. E. and S. T. Parks 1930-5-10 848 Sonoma Knights Valley 152 Comment
  CAS-BOT-BC451944  Triglochin maritima Lewis S. Rose 1964-6-3 64055 Sonoma N. end of Bodega Bay 1 Comment
  CAS-BOT-BC451941  Triglochin maritima Peter Rubtzoff 1955-8-6 2023 Sonoma Lower Salmon Creek Marsh. Comment
  UC1057434  Trillium albidum G. Thomas Robbins 1937-3-25 3 Sonoma Sonoma Creek Bennett Valley, Sonoma Creek Comment
  CAS-BOT-BC520846  Trillium albidum Mrs. F. B. Trosper 1922-3-29 s.n. Sonoma Sonoma Comment
  CAS-BOT-BC520847  Trillium albidum J. W. Congdon 1880-3-1 s.n. Sonoma Near Santa Rosa Comment
  UCD151245  Trillium chloropetalum James A. Neilson Jr. 1974-4-24 2729 Sonoma Mayacmas Mountains, upper Squaw Creek. (Elevation estimated using Google Earth by label maker.) 883 Comment
  POM169931  Trillium chloropetalum var. chloropetalum A. A. Heller, H. E. Brown 1902-3-12 3175 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  UCR255036  Trillium ovatum Greg de Nevers 1998-4-30 11222 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA178023  Trillium ovatum Robert F. Thorne 1965-4-19 34314 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  SEINET10534311  Trillium ovatum David B. Dunn, Melvin L. Conrad; Katherine L. Morris 1973-6-9 Dunn 20705 Sonoma 2 mi NW of Forestville on Hwy 116, Douglas Fir forest with some Oaks. Comment
  SEINET12050351  Trillium ovatum F. H. Utech 1988-1 88 -184 Sonoma 0.15 mi SE from East Avenue junction with Bohemian Road on latter 140 Comment
  JEPS76913  Trillium ovatum subsp. ovatum Robert M. Lloyd 1963-2-24 2045 Sonoma abandoned picnic ground 0.5 mi. n. of Occidental on rd. to Camp Meeks 45 Comment
  SEINET7067236  Triphysaria eriantha A. G. Vestal 1947-5-13 s.n. Sonoma Base of dunes, Bodega Head. Coordinate datum: NAD27. UTM Zone 10, 505861mE, 4250832mN. Comment
  UCD123387  Triphysaria eriantha Lewis S. Rose 1965-4-4 65018 Sonoma Sonoma. 24 Comment
  UC1239030  Triphysaria eriantha subsp. eriantha Freed W. Hoffman 1947-4-7 1914 Sonoma near Windsor; North Coast Ranges Comment
  JEPS10692  Triphysaria eriantha subsp. rosea Docia I. Patchett 1918-5-26 Sonoma near Black Point; near Black Point Comment
  UCR256122  Triphysaria pusilla Greg de Nevers 1996-5-3 10796 C Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  HSC20863  Triphysaria versicolor subsp. faucibarbata R. F. Good 1962-4-20 25 Sonoma 2 mi. W of Petaluma on D St. Extension toward Point Reyes, Sonoma Mtn. Coast Range 0 Comment
  SFV8312  Triphysaria versicolor subsp. faucibarbata R. R. Martin 1968-5-2 13 Sonoma Dry Creek Road, 5 miles north of Healdsburg. Comment
  CAS-BOT-BC200102  Trisetum canescens G. DeNevers 1982-5-2 1973 Sonoma W arm of Garrison Canyon Comment
  CAS-BOT-BC200103  Trisetum canescens G. DeNevers 1982-5-18 2028 Sonoma At road's end at the Redwoods, Pepperwood Ranch Comment
  UC766848  Trisetum canescens R. F. Hoover 1941-5-14 5096 Sonoma sw of Occidental (near Joy District School) Comment
  CAS-BOT-BC522355  Triteleia hyacinthina Peter Rubtzoff 1961-6-17 4621 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC522369  Triteleia hyacinthina H. C. Cantelow 1935-4-14 751 Sonoma Unspecified Comment
  UC72474  Triteleia laxa Milo S. Baker 1904-6-19 Sonoma Sonoma Creek Canyon Comment
  UCD160809  Triteleia laxa James A. Neilson Jr. 1973-6-6 2988 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  CAS-BOT-BC527040  Triteleia laxa J. W. Congdon 1880-4-1 111 Sonoma Petaluma Comment
  JEPS74717  Triteleia peduncularis Eleanor Armstrong May, 1932 516 Sonoma near small stream Camp Meeker, Sorrenti Ranch 106 Comment
  RSA540084  Triteleia tubergenii Peter Rubtzoff, Rimo C. Bacigalupi 1971-6-10 6526 Sonoma South side of W Railroad Ave between Hwy 101 and Stony Point Road Comment
  CAS-BOT-BC80205  Tsuga heterophylla B. F. Smith 1962-10-24 29 Sonoma 3.5 miles southeast of Gualala 182 Comment
  CAS-BOT-BC74108  Turritis glabra Rimo Bacigalupi 1926-5-2 1404 Sonoma Cazadero. Comment
  RSA540096  Typha angustifolia Peter Rubtzoff 1971-7-9 6592 Sonoma 5 miles north of Sears Point. Comment
  POM277662  Ulex europaeus A. A. Heller, H. E. Brown 1902-3-22 s.n. Sonoma Among Redwood Trees W of Sebastopol Comment
  RSA699636  Ulex europaeus Keith E. Hoffmaster 1946-3-9 s.n. Sonoma Roadside, spreading thruoghout a hillside pasture. Near Petaluma. Comment
  CAS-BOT-BC91282  Umbellularia californica Walter Knight; Irja Knight 1963-12-27 476 Sonoma Summit, Pine Flat Road. Comment
  CDA15846  Umbellularia californica G. F. Hrusa, G. L. Stebbins 1993-10-3 11462 Sonoma Sugarloaf Ridge State Park. Trail to Bald Mountain. Midway. 518 Comment
  UC9879  Umbellularia californica Schmidt Sonoma Sonoma County Comment
  UCD137872  Umbellularia californica C. Winstrom 1996-5-26 30 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  SEINET12090183  Umbellularia californica W. Knight, Knight, I. 1981-1 3963 Sonoma 2.3 mi up Cavedale Road from junction of State Route #12 Comment
  CAS-BOT-BC403978  Urtica dioica subsp. gracilis Peter Rubtzoff 1957-6-28 3393 Sonoma Duncans Mills Marsh 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-BC403989  Urtica dioica subsp. gracilis L. R. Abrams 1920-7-3 7601 Sonoma Gualala River near Mendocino--Sonoma Co. Line Comment
  CAS-BOT-BC404231  Urtica dioica subsp. holosericea Peter Rubtzoff 1954-8-13 1717 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC404234  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-8-26 5480 Sonoma Marsh 5 miles northeast of Penngrove on Lichan Road 213 Comment
  CAS-BOT-BC193385  Vaccinium ovatum J. W. Congdon 1880-10-24 s.n. Sonoma Near Guerneville Comment
  CAS-BOT-BC76163  Vancouveria planipetala J. W. Congdon 1880-5-17 s.n. Sonoma Guerneville. Comment
  CAS-BOT-BC135768  Veratrum fimbriatum Elizabeth Eaton Morse 1936-8-30 s.n. Sonoma Gualala River Comment
  UC473575  Veratrum fimbriatum John Thomas Howell 1931-9-26 8094 Sonoma 7 mi n Fort Ross Comment
  UC558486  Veratrum fimbriatum Elizabeth E. Morse 1936-8-30 Sonoma Gualala River Comment
  CAS-BOT-BC154140  Verbascum Peter Rubtzoff 1954-7-27 1565 Sonoma [Guernerville] Guerneville Marsh Comment
  CDA16001  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15681 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Sheet 1 of 2. Comment
  UCD125639  Verbena lasiostachys Frederica Bowcutt 1994-7-5 1933 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 30 feet, 70 ft. S of campfire center along N edge of Sonoma Creek, N and E of campground. 381 Comment
  CAS-BOT-BC262805  Veronica Peter Rubtzoff 1974-9-7 7867 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  CAS-BOT-BC164359  Veronica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 mi. east of Guerneville. At 9981 Old River Road. Comment
  CAS-BOT-BC176391  Veronica americana Peter Rubtzoff 1954-6-6 1461 Sonoma Guerneville Marsh. Comment
  UCD163999  Veronica americana Peter Rubtzoff 1977-9-4 9127 Sonoma Cunningham Marsh area, ca. 1 air mile west-southwest of Cunningham Station. Comment
  JEPS67155  Veronica anagallis-aquatica Peter Rubtzoff 1971-8-24 6660 Sonoma 3 mi w of Fulton (tributary of Mark West Creek); Mark West Creek Comment
  UCR279868  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1969-5-11 6037 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  UCD124784  Veronica scutellata Malcolm A. Knobs; S. Galen Smith 1949-8-1 1107 Sonoma 2 miles E of Stewart's Point on road to Geyserville. Comment
  CAS-BOT-BC366879  Vicia hirsuta Greg de Nevers 1993-5-6 10425 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Rd. 400 Comment
  UCD108794  Vicia lutea Frederica Bowcutt 1994-6-12 1849 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, N of Adobe Canyon Rd. Trail head for Pony Gate Trail near kiosk and visitor center. 411 Comment
  UC454617  Vicia sativa subsp. sativa I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UCSB22471  Vicia sativa subsp. sativa McCarthy, Sharon 1965-4-17 Sonoma in field West of 5th St. West opposite Betancourt St. intersection, Sonoma 10 Comment
  RSA77970  Vicia villosa Verne Grant, Alva Grant, Adele Lewis Grant 1947-5-4 7959 Sonoma Sebastopol to Santa Rosa Comment
  UCD109137  Vicia villosa subsp. varia Caitlin Lewis; William Mutch 1993-4-17 15 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. Comment
  UC1763358  Viola adunca Milo S. Baker 1899-5-6 5506 Sonoma near Sebastopol Comment
  UC1761509  Viola douglasii Milo S. Baker May 1898 681 Sonoma near Melita (Peach Flat, Santa Rosa Golf Links) Comment
  CAS-BOT-BC536905  Viola glabella Peter Rubtzoff 1959-4-19 4045 Sonoma Sonoma County Marshes: Duncans Mills Marsh, at the border of the upper part of the Marsh Comment
  UC1761451  Viola lobata Milo S. Baker 1926-5-31 164 -1926 Sonoma Triniti road, 1 mi up Comment
  UC1121589  Viola ocellata E. Armstrong 1934-4-15 1208 Sonoma 4 mi se of Occidental 152 Comment
  UCD110694  Viola ocellata Frederica Bowcutt 1996-5-22 2143 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon about 1.25 air miles SW of Red Mountain. Along Canyon Trail near lower elev trailhead. Just N of Sonoma Creek. Down slope of Adobe Canyon Road. 231 Comment
  UC540626  Viola palustris subsp. brevipes Milo S. Baker 1934-4-1 7692 a Sonoma Kenwood Garden Kenwood; Kenwood, Sonoma Co. Comment
  UCD111068  Viola pedunculata Mary M. Hektner 1975-4-27 188 Sonoma Unit 24 Owner's Map, Sea Ranch, near State Highway 1. Comment
  POM179744  Viola pedunculata A. A. Heller, H. E. Brown 1902-4-23 5357 Sonoma Near Sonoma. Comment
  UC1761661  Viola sempervirens Mary Eloise Bauder 1929-5-25 3 Sonoma Pocket Canyon Guerneville Comment
  UCSB7344  Viola sempervirens Keator, Glenn 1959-4-1 Sonoma 1 mile southeast of northern city limits off Camp Meeker Comment
  CAS-BOT-BC203126  Vitis californica Peter Rubtzoff 1960-5-29 4423 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC203127  Vitis californica John H. Thomas 1976-6-18 18365 Sonoma About 4.6 miles west of Warm Springs, between Skaggs Springs and Geyserville Comment
  CAS-BOT-BC203136  Vitis californica W. W. Carruth 1900-7-1 s.n. Sonoma Near Healdsburg Comment
  UC1541477  Vitis californica H. E. and S. T. Parks 1930-8-20 693 Sonoma Maacama Creek Comment
  CAS-BOT-BC385058  Vitis californica G. de Nevers 1981-6-4 1434 Sonoma Pepperwood Ranch, by bridge south of the green gate Comment
  UCD151221  Vulpia bromoides James A. Neilson Jr. 1974-5-17 2979 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  UCD93478  Vulpia bromoides Beecher Crampton 1957-7-11 4307 Sonoma 1.4 miles southeast of Bodega Bay, along State Hwy. 1. Comment
  UCD93529  Vulpia bromoides Mary M. Hektner 1974-5-27 9 Sonoma south of Whaler's Ranch, Unit 7 Owner's Map, Sea Ranch, near State Hwy 1. Comment
  CAS-BOT-BC199915  Vulpia bromoides Peter Rubtzoff 1951-7-7 372 Sonoma Eastern branch of the Upper Marsh Comment
  SEINET5428073  Vulpia microstachys L. Koch 1940-4-22 838 a Sonoma At Geysers in Sulfur Creek Canyon Comment
  JEPS45823  Vulpia microstachys var. ciliata Eleanor Armstrong 1932-6-4 187 Sonoma 3 mi w Graton; Schlackley Flat 30 Comment
  CAS-BOT-BC184595  Vulpia microstachys var. pauciflora Leo Koch 1939-4-16 585 Sonoma Ca. 7 mi. from Petaluma to Marshalls Comment
  CAS-BOT-BC185836  Vulpia myuros subsp. megalura G. DeNevers 1981-5-11 1120 Sonoma By the Garrison Gate Comment
  CAS-BOT-BC185827  Vulpia myuros subsp. megalura Milo S. Baker 1942-5-27 10383 Sonoma Summit between Napa Valley and Sonoma County Comment
  CAS-BOT-BC128702  Whipplea modesta D. E. Breedlove