Search Results — 2000 specimen records retrieved (1344 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 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
  SEINET946043  Abronia latifolia Leo A. Galloway 1968-1 598 Sonoma Doran County Park. Comment
  UCD109798  Abronia umbellata H. A. Borthwick 1925-6-7 s.n. Sonoma Willow Camp. Comment
  CAS-BOT-BC203227  Abutilon Peter Rubtzoff 1972-5-25 6754 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC436982  Acaena novae-zelandiae Roger Raiche 1985-7-14 50638 Sonoma Horseshoe Cove just north of Horseshoe Point, Salt Point State Park, near Highway #1 15 Comment
  RSA102062  Acer macrophyllum John H. Redfield 1872-8-27 53 Sonoma Near Healdsburg Comment
  UC1193405  Acer macrophyllum G. W. Tourtillott 1950-5-10 18 Sonoma one mi e Geysers Hotel; Quad. 60B4, e of Geysers Hotel 609 Comment
  CAS-BOT-BC332756  Acer macrophyllum J. W. Congdon May, July (no year stated) s.n. Sonoma Unspecified Comment
  UCD117066  Acer macrophyllum C. Wistrom 1996-5-26 39 Sonoma Armstrong Redwoods State Park, Gureneville. 15 Comment
  CHSC10154  Acer negundo var. californicum Martha Meagher 1947-3-22 99 Sonoma County road one-half mile west of Freezeout Creek, across Russian River from Duncan's Mills. Roadside near river bed. Comment
  UC1299196  Acer negundo var. californicum Freed W. Hoffman 1947-4-1 873 Sonoma bank of Russian River at Guerneville; North Coast Ranges, bank of Russian River Comment
  CAS-BOT-BC30088  Achillea millefolium W. E. Lawrence 1942-1-1 L 5031 Sonoma Bodega Coast, grown in Stanford gardens Comment
  RSA0000831  Achillea millefolium var. arenicola A. A. Heller 1902-5-27 5608 Sonoma Bodega Bay Comment
  CAS-BOT-BC400007  Achlys triphylla Greg de Nevers; Susan Charnley 1987-3-28 8129 Sonoma Sea Ranch, along the Gualala River 20 Comment
  CAS-BOT-BC166797  Achyrachaena mollis Peter Rubtzoff 1974-5-18 7425 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  SD56752  Acmispon americanus Darley F. Howe 1963-7-2 Sonoma 0.9 mile north of junction with Highway 12 on Highway 1. Comment
  CAS-BOT-BC29847  Adenocaulon bicolor Volney Rattan 1877-6-17 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC29849  Adenocaulon bicolor Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC30276  Adenocaulon bicolor A. A. Heller 1902-6-26 5771 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  CAS-BOT-BC139919  Adenostoma fasciculatum Bolander 1877-6-17 s.n. Sonoma Guerneville Comment
  JEPS46069  Adenostoma fasciculatum Eleanor Armstrong June 1932 526 Sonoma 4 mi. w. Camp Meeker (near Lake Nervana) 121 Comment
  JEPS128363  Adiantum capillus-veneris Roger Raiche 2000-5-27 112 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS82260  Adiantum capillus-veneris Roger Raiche 1983-6-25 30423 Sonoma ca 1 mi w Laton Mine (headwaters of Austin Creek, The Cedars) 365 Comment
  CHSC60064  Adiantum jordanii H. A. McLane 1980-3-29 3 Sonoma 4 mi n of Calistoga Road from California State Highway 12, 60 ft e of road. Comment
  JEPS128352  Adiantum jordanii Roger Raiche 2000-5-5 094 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UC26063  Agastache urticifolia Michener and Bioletti 1892-7-5 Sonoma Skagg's Springs Comment
  CAS-BOT-BC368034  Agoseris grandiflora Greg de Nevers 1998-6-20 11291 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along creek below Rogers Apple Orchard. 400 Comment
  UCD160822  Agoseris grandiflora James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3374 Sonoma Section 10, along Geysers Road, ca. 1 mile west of the Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  UCD160829  Agoseris grandiflora James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3273 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC15351  Agoseris grandiflora var. grandiflora John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53957 Sonoma Fairfield Osborn preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC22788  Agoseris heterophylla G. DeNevers 1981-4-25 829 Sonoma Pepperwood Ranch, lower Pepperwood entrance Comment
  NY7042  Agoseris maritima A. Eastwood s.n. Sonoma Bodega Point. Comment
  RSA0065938  Agropyron Greg de Nevers 1989-04 9067 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  CAS-BOT-BC210017  Agrostis Peter Rubtzoff; H. A. Froebe 1971-5-30 6501 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  UC1100113  Agrostis alba Herbert L. Mason 1946-7-4 12888 Sonoma between Santa Rosa and Forestville Forestville (Pitkin Marsh); Pitkin Marsh Comment
  UCD51871  Agrostis capillaris Beecher Crampton 1957-7-22 4378 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  CAS-BOT-BC127470  Agrostis densiflora Beecher Crampton 1957-7-11 4350 Sonoma Above Blind Beach, just south of Goat Rock, Sonoma Coast State Park, ca. 9 miles north of Salmon Creek. Comment
  UC1153787  Agrostis densiflora Beecher Crampton 1957-7-11 4350 Sonoma just s Goat Rock (edge of bluffs above the sea, above Blind Beach, ca 9 mi n of Salmon Creek); Sonoma Coast State Park Comment
  UCD166086  Agrostis densiflora Peter Rubtzoff 1971-6-25 6562 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing. Comment
  UCD37148  Agrostis densiflora Beecher Crampton 1957-7-11 4320 Sonoma Sonoma County, 0.5 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD51890  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach. Comment
  UCD51997  Agrostis densiflora Beecher Crampton 1957-7-11 4328 Sonoma Sonoma Coast State Park, 0.9 mile north of Salmon Creek. Comment
  UCD52021  Agrostis densiflora Beecher Crampton 1971-6-6 8717 Sonoma Cramet, Sonoma Coast State Park. Comment
  CAS-BOT-BC126965  Agrostis exarata Greg de Nevers 1992-6-26 10208 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  UCD161760  Agrostis exarata James A. Neilson Jr. 1975-7-8 3393 Sonoma Mayacmas Mountains; western portion of Geyser Rock.(Coordinates and elevation estimated by label maker.) 1066 Comment
  UCD52078  Agrostis exarata Beecher Crampton 1959-6-16 5391 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  CAS-BOT-BC126964  Agrostis exarata Leo Koch 1938-6-12 313 Sonoma Along Redwood Highway about 3 miles north of Santa Rosa. Comment
  SEINET10790027  Agrostis exarata A. Arthur Heller 1902-6-4 Heller 5641 Sonoma Santa Rosa. Comment
  UCD53511  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC139554  Agrostis gigantea Peter Rubtzoff 1951-7-1 335 Sonoma Pitkin Marsh near Forestville. Western branch of the Upper Marsh. 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
  SEINET6762812 Image available Agrostis gigantea A. A. Beetle 1941-1 2855 Sonoma 5 mi S of Steward [Stewarts] Point Comment
  UC70788  Agrostis hallii F. T. Bioletti 1893-6-5 Sonoma Los Guilicos Valley Comment
  UC963879  Agrostis hallii Milo S. Baker 1947-5-12 11762 Sonoma Hood Mt. 426 Comment
  UCD36302  Agrostis hallii Beecher Crampton 1953-5-19 1298 Sonoma Sonoma County, 5 miles west of Calistoga, on Highway 128, at Napa Coutny line. Comment
  UCD52668  Agrostis hallii Beecher Crampton 1957-7-11 4301 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD52714  Agrostis hallii Beecher Crampton 1959-6-16 5382 Sonoma 1 mile E of Occidental. Comment
  UCD84282  Agrostis microphylla Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  SEINET197664  Agrostis microphylla Leo Koch 1940-4-22 837 Sonoma Sulfur Creek Geysers: grassy hills above Comment
  CAS-BOT-BC139118  Agrostis oregonensis Peter Rubtzoff 1951-8-5 605 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC539342  Agrostis pallens Frederica Bowcutt 1994-6-12 1856 Sonoma Sugarloaf Ridge State Park, about 50 air mi N of San Francisco, 10 air mi E of Santa Rosa, 1.5 air mi N of Kenwood, and 18 air mi NW of Napa; Adobe Canyo N of Sonoma Creek, N of Adobe Canyon Rd, at Pony Gate trail jct 432 Comment
  UCD53234  Agrostis pallens P. B. Kennedy 1918-5-25 s.n. Sonoma Santa Rosa, Calistoga Road. Comment
  CAS-BOT-BC138389  Aira caryophyllea var. capillaris G. DeNevers 1981-5-5 945 Sonoma Pepperwood Ranch. Hansel's cow pasture. On the trail across the driveway to the Pippindale Garden. Comment
  CAS-BOT-BC138396  Aira caryophyllea var. capillaris John Thomas Howell 1944-5-14 s.n. Sonoma Chileno Valley, southern Sonoma county. Comment
  UCD55788  Aira caryophyllea var. capillaris Beecher Crampton 1955-4-5 2406 Sonoma 2 miles west of Fulton. Comment
  CAS-BOT-BC138207  Aira caryophyllea var. caryophyllea John H. Thomas 1976-6-16 18338 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UC903689  Aira elegantissima Milo S. Baker 1947-4-22 11691 Sonoma trail from residence of Gray ranch towards cliffs at summit; Hood Mt. 274 Comment
  UC903759  Aira elegantissima Milo S. Baker 1947-5-7 11748 Sonoma above Baker Ranch (sw slope of mt.); Mt. Hood 213 Comment
  CAS-BOT-BC138189  Aira praecox Catherine Best 1980-9-18 s.n. Sonoma On the south side of the mouth of the Russian River. Comment
  CAS-BOT-BC164375  Alisma Peter Rubtzoff 1965-6-20 5558 Sonoma Petaluma Creek, 4 miles northeast of Petaluma (on Stoney Point Road) Comment
  UCR244502  Alisma lanceolatum Peter Rubtzoff 1970-8-18 6303 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
  CAS-BOT-BC445457  Alisma triviale Walter Knight; Irja Knight 1963-1-1 639 Sonoma N. side San Antonio Road about half way between D St. Ext and I. St. Ext. Comment
  CAS-BOT-BC376392  Allium Greg de Nevers 1993-5-17 10452 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Devil's Kitchen east of 3865 Franz Valley Rd. 457 Comment
  CAS-BOT-BC368055  Allium amplectens Greg de Nevers 1998-5-19 11252 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Franz Valley Road 400 Comment
  POM231288  Allium dichlamydeum David D. Keck, Jens Clausen 1935-6-15 3366 Sonoma 1 mile north of mouth of Salmon Creek. Comment
  UC1084425  Allium peninsulare var. franciscanum G. Thomas Robbins 1938-7-4 271 Sonoma ocean cliffs ca. 3 mi. n. Bodega Bay Comment
  UCD169968  Allium triquetrum Gary Bjork 2001-4-4 PDR 117291 Sonoma 2474 Copperfield Ct., Santa Rosa. Comment
  CAS-BOT-BC171434  Alnus rhombifolia Marcus E. Jones 1982-7-17 3484 Sonoma Duncan's Mills Comment
  CAS-BOT-BC251211  Alnus rhombifolia Peter Rubtzoff 1960-9-14 4550 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC169364  Alnus rubra Peter Rubtzoff 1959-9-12 4261 Sonoma Willows Creek Marsh, growing along Willow Creek Comment
  CAS-BOT-BC169365  Alnus rubra Peter Rubtzoff 1959-6-13 4135 Sonoma Willows Creek Marsh, growing along Willow Creek Comment
  UCD166469  Alnus rubra Peter Rubtzoff 1960-6-11 4504 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC138152  Alopecurus aequalis var. aequalis Peter Rubtzoff 1955-8-27 2100 Sonoma Bennette Mountain Lake. Comment
  CAS-BOT-BC138041  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1962-6-1 4866 Sonoma Treestone Marsh. Comment
  CAS-BOT-BC138058  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1955-5-14 1835 Sonoma Ross Marsh. 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
  RSA301113  Amelanchier pallida D. C. Michener 1982-7-26 4120 Sonoma Graton road 3.1 miles W of RR xing in Graton, 2.7 miles E of jct with Bohemian Hwy. Comment
  UC12070  Amelanchier utahensis Jepson 1893-5-5 Sonoma Mt. St. Helena Comment
  UC466778  Amelanchier utahensis H. P. Chandler 1907-4-27 7546 Sonoma St. Helena to Santa Rosa via Spring Mt. Comment
  SEINET11909600  Amelanchier utahensis W. Knight, Knight, I. 1982-1 4522 Sonoma Tilden Regional Park, botanic garden, Berkely, ca Originally collected at Bodega Bay Comment
  CAS-BOT-BC154126  Ammannia Peter Rubtzoff 1973-8-27 7272 Sonoma Upper Green Valley Marsh area. Comment
  RSA790996  Ammannia Peter Rubtzoff 1972-8-26 6860 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC137883  Ammophila arenaria W. M. Hiesey 1945-9-21 s.n. Sonoma Bodega sand dunes. Comment
  CAS-BOT-BC222282  Amsinckia John Thomas Howell 1934-3-26 11786 Sonoma Southwestern base of Mt. Hood Comment
  RSA0089717  Amsinckia intermedia L. S. Rose 1952-4-18 62027 Sonoma Petaluma. 6 Comment
  RSA0089718  Amsinckia intermedia A. A. Heller, H. E. Brown 1902-3-26 5158 Sonoma Santa Rosa Creek. Comment
  CHSC3152  Amsinckia spectabilis Dona Kingsford 1966-4-6 Sonoma Petaluma-Valley Ford Road 3.5 miles SW. of Bodega City. Comment
  HSC42041  Amsinckia spectabilis S. Saufferer 1973-5-24 214 Sonoma Bodega Bay Comment
  SBBG21166  Amsinckia spectabilis V. Haraden 1941-7-13 5 Sonoma Bodega Bay 15 Comment
  UCD15058  Anagallis arvensis James Aronson 1977-4-15 19 Sonoma California, Sonoma Co.; 10.4 miles west of intersection with Dutcher Creek Road along Skaggs Springs Road; Comment
  SEINET3918234  Andropogon glomeratus Fred W. Hoffman 1943-6-17 s.n. Sonoma Guerneville.; 0 Comment
  CAS-BOT-BC137789  Andropogon virginicus var. virginicus Peter Rubtzoff 1951-9-15 754 Sonoma Pitkin Marsh, near Forestville. Area Separating the western branch of the Upper Marsh from the eastern. Comment
  UC1011021  Andropogon virginicus var. virginicus Virginia Bufford 1935-9-8 77 Sonoma Pitkin's Marsh; Pitkin's Marsh, Vine Hill District 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
  UCR255042  Anemone oregana Greg de Nevers 1997-2-28 10902 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CDA38217  Angelica tomentosa T. C. Fuller 1957-9-24 406 -57 Sonoma Forestville. 0 Comment
  UCD128896  Anisocarpus madioides Gerry North 1993-3 6 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Across Adobe Canyon Road deom Goodspeed Trailhead pullout. 228 Comment
  CAS-BOT-BC173816  Anthemis cotula Peter Rubtzoff 1969-8-14 6133 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  SBBG21185  Anthemis cotula V. Haraden 1941-7-13 7 Sonoma ca. 1 mi N of the head of Bodega Bay Comment
  UCD15834  Anthemis cotula K. Mawdsley 1998-6-30 44 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco. 10 air miles E of Santa Rosa. 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Meadow Trail about 100 yds west of Education Center and gate. 350 Comment
  SD192846  Anthoxanthum occidentale John A. Churchill 1975-5-1 745146 Sonoma On west side of Camp Meeker. Comment
  CDA10949  Anthoxanthum odoratum G. F. Hrusa, G. L. Stebbins 1994-3-28 11707 Sonoma North Coast Biodiversity Arena; Fisk Mill Parking Area, Salt Point State Park. Open site on very steep cliffs above ocean. Growing on alluvium. Perennial, uncommon here. 7 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
  CDA5342  Anthriscus caucalis T. C. Fuller 1967-6-7 15932 Sonoma Matheson property, Upland Road, 2 miles north & 1 mile west of Petaluma. 0 Comment
  RSA47825  Anthriscus caucalis L. Beane, L. James 1949-5-11 1985 Sonoma 3 miles east of Hopland Comment
  JEPS82255  Antirrhinum vexillocalyculatum subsp. breweri Roger Raiche 1983-8-6 30583 Sonoma headwaters (creek has no name) of Austin Creek (the Cedars) 457 Comment
  RSA371498  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-8-10 329 Sonoma Healdsburg. On E side of Fitch Mt., just S of resort area on E side. 46 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
  CAS-BOT-BC394994  Aquilegia formosa Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC394995  Aquilegia formosa Volney Rattan 1877-1-1 s.n. Sonoma Cloverdale Comment
  SEINET12093899  Aquilegia formosa F. H. Utech 1988-1 88 -225 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1 100 Comment
  UC1073294  Arabis blepharophylla George B. Rossbach 1955-3-19 293 Sonoma n and highest hill Bodega Head 81 Comment
  RSA629202  Arctostaphylos Jon E. Keeley 1993-9-11 24781 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629209  Arctostaphylos Jon E. Keeley 1993-9-11 24791 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629222  Arctostaphylos Jon E. Keeley 1993-9-11 24773 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC25323  Arctostaphylos bakeri R. F. Hoover 1968-2-23 10893 Sonoma Graton-Occidental road. Comment
  CAS-BOT-BC25325  Arctostaphylos bakeri J. Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-4 4101 Sonoma Originally collected from near Occidental Comment
  UC1120878  Arctostaphylos bakeri A. E. Wieslander 1936-9-19 706 Sonoma 1 mi nw Occidental; Sebastopol Quadrangle Comment
  UC1388372  Arctostaphylos bakeri Freed W. Hoffman 1948-4-1 2753 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UC909852  Arctostaphylos bakeri J. E. Adams 1935-3-1 1027 Sonoma 2 mi w Occidental Comment
  UCD50405  Arctostaphylos bakeri Freed W. Hoffman 1948-4-1 2753 Sonoma Dutch Bill Creek near Camp Meeker. Comment
  POM259285  Arctostaphylos bakeri subsp. bakeri Alice Eastwood, John Thomas Howell 1939-4-2 7376 Sonoma Near Camp Meeker on road to Monte Rio. 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
  UCD162183  Arctostaphylos canescens D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1521 Sonoma Hooker Creek watershed. 520 Comment
  CAS-BOT-BC23969  Arctostaphylos canescens subsp. canescens Milo S. Baker Fall 1936 9782 Sonoma Top of Hood's Peak Comment
  UCD110448  Arctostaphylos canescens subsp. canescens Christopher Mallek 2008-1 s.n. Sonoma Hooker Canyon. 590 Comment
  UCD112405  Arctostaphylos canescens subsp. canescens Christopher Mallek 2008-5-2 s.n. Sonoma Hooker Canyon. 590 Comment
  LA88623  Arctostaphylos canescens subsp. sonomensis Robert F. Thorne; 1965-4-20 34387 Sonoma Rincon Ridge, Robert Sone's place on Rock Ridge Lane - Montecito Ave. Santa Rosa 106 Comment
  RSA40093  Arctostaphylos canescens subsp. sonomensis L. S. Rose 1948-1-17 48002 Sonoma Rincon Ridge, east of Sonoma. 152 Comment
  UC549707  Arctostaphylos canescens subsp. sonomensis J. E. Adams 1935-3-1 1022 Sonoma e Sta. Rosa; Rincon Ridge Comment
  UC876540  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1933-3-18 7331 Sonoma 2 mi ne Santa Rosa; Rincon Ridge Comment
  UC876542  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1936-10 8622 Sonoma halfway to summit Rutherford-Glen Ellen Road Comment
  CAS-BOT-BC23602  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11745 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC23604  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11743 Sonoma Between Fort Ross and Stewart's Point Comment
  UC1388311  Arctostaphylos columbiana Freed W. Hoffman 1947-12-1 2747 Sonoma Salt Point North Coast Ranges Comment
  UC424786  Arctostaphylos columbiana Milo S. Baker 1929-7-16 3621 c Sonoma nw Inverness (near Hiway) Comment
  UC549636  Arctostaphylos columbiana J. E. Adams 1934-3-28 731 Sonoma seven mi n Fort Ross Comment
  UC549698  Arctostaphylos columbiana J. E. Adams 1935-3-28 730 Sonoma seven mi n Fort Ross Comment
  CAS-BOT-BC24992  Arctostaphylos densiflora Milo S. Baker 1929-6-1 3572 Sonoma Near Vine Hill Schoolhouse. Comment
  CAS-BOT-BC25020  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill Schoolhouse. Comment
  CAS-BOT-BC25024  Arctostaphylos densiflora John Thomas Howell 1933-4-2 10948 Sonoma 8 miles W of Santa Rosa. Comment
  POM215711  Arctostaphylos densiflora Jens Clausen 1933-3-26 743 Sonoma Vine Hill School House, 10 miles west of Santa Rosa, along road. Comment
  CAS-BOT-BC24723  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1933-4-2 10947 Sonoma 8 mi. w. of Santa Rosa. Comment
  CAS-BOT-BC24725  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-3-14 5763 Sonoma Raven Ridge near Santa Rosa. Comment
  JEPS79450  Arctostaphylos glandulosa subsp. glandulosa Edward Lee with W. A. Setchell 1936-6-7 2198 Sonoma s ridge Bohemian Grove (fire trail) Comment
  SBBG33602  Arctostaphylos glandulosa subsp. glandulosa C. Bornstein, E. Collins 2006-8-23 Sonoma near Occidental, Willow Crk Rd, ca. 1 mi NW of jct with Coleman Valley Rd 396 Comment
  UC1120216  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-3-8 1572 Sonoma 1 1/2 mi n County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  UC518981  Arctostaphylos glandulosa subsp. glandulosa J. Clausen 1933-3-25 726 Sonoma about 4 mi e Warfield (along road to Oakville) Comment
  UC549392  Arctostaphylos glandulosa subsp. glandulosa J. E. Adams 1934-3-28 726 Sonoma five mi n Cazadero Comment
  RSA631185  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24723 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  JEPS83505  Arctostaphylos hispidula Jack and Betty Guggolz 1986-3-8 853 Sonoma ca 15 mi nw Healdsburg (9.1-9.3 mi from jnt. Stewart's Point Rd. and Rockpile Rd. on Rockpile Rd. ne side) Comment
  CAS-BOT-BC38987  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
  CAS-BOT-BC38989  Arctostaphylos manzanita Roger Raiche 1983-7-4 30475 Sonoma East Austin Creek State Rec. Area, Morrison Ridge above Gilliam Creek, along old mine road. 274 Comment
  RSA633054  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27491 Sonoma Highway 116 west of intersection with Occidental Road, west of Sabastopol. 75 Comment
  OBI14641  Arctostaphylos manzanita Robert F. Hoover 1963-1-12 8548 Sonoma Triniti rd, Hoods Peak Range Comment
  RSA633053  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27485 Sonoma Lake Sonoma Overlook off Stewarts Road. 250 Comment
  SEINET11990959  Arctostaphylos manzanita Unknown 1983-1 30499 C Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11990980  Arctostaphylos manzanita Unknown 1982-1 20862 Sonoma above Gilliam Creek, East Austin Creek State Rec. Area Comment
  SEINET11990994  Arctostaphylos manzanita R. Raiche, Edwards, S. W. 1983-1 100 Sonoma The Cedars, W of ridge on Twitchell property 274 Comment
  SEINET11995488  Arctostaphylos manzanita W. Knight, Knight, I.; Edwards, S. 1987-1 6336 Sonoma Pepperwood, Devil's Kitchen 229 Comment
  UCD51915  Arctostaphylos manzanita C. M. Belshaw 1936-3-7 1561 Sonoma 1/2 mile NW of Trenton. 60 Comment
  RSA21886  Arctostaphylos manzanita subsp. bakeri Alice Eastwood, John Thomas Howell 1939-4-2 7376 Sonoma Near Camp Meeker on road to Monte Rio Comment
  CAS-BOT-BC38904  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11301 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38702  Arctostaphylos manzanita subsp. manzanita Lewis S. Rose 1955-3-21 55033 Sonoma Rincon Ridge, 2 mi. NE. of Santa Rosa 152 Comment
  UC1281098  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1936-4-5 4410 Sonoma along road just w Vine Hill School House Comment
  UC1388361  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-4-3 668 Sonoma near Healdsburg (creek is branch of Mill Creek); North Coast Ranges Wild Hog Ridge, headwaters Palmer Creek 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-BC38692  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1964-2-16 805 Sonoma Sonoma Mt. Rod. near Enterprise Rd. Comment
  UC549523  Arctostaphylos nummularia J. E. Adams 1934-6-9 827 Sonoma 1 mi s McNamees Store Comment
  UC549524  Arctostaphylos nummularia J. E. Adams 1934-6-9 830 Sonoma coastal bluffs near McNamees Store Comment
  UC909864  Arctostaphylos nummularia J. E. Adams 1934-3-28 742 Sonoma s McNamees Store Comment
  CAS-BOT-BC47338  Arctostaphylos stanfordiana Roger Raiche 1982-4-10 20301 H Sonoma King Ridge Rd. (4.5 mi. from King Ridge Rd. on Old Layton Mine Rd.), about 0.7 mi. in from King Ridge Rd. on old Layton Comment
  CAS-BOT-BC47349  Arctostaphylos stanfordiana Elmer I. Applegate 1924-3-25 8858 Sonoma Pine Flat Region, w. slope of Mayacama Mountains. Comment
  CDA954  Arctostaphylos stanfordiana D. G. Kelch 2002-4-1 2 .008 Sonoma Cavedale Rd., Glen Ellyn. Comment
  RSA636807  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24745 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636812  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24752 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  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
  UC1093994  Arctostaphylos stanfordiana Lewis S. Rose 1955-2-28 55009 Sonoma 2 mi w Graton 121 Comment
  UC535025  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 6 Sonoma near Santa Rosa; Rincon Ridge Comment
  UCD162184  Arctostaphylos stanfordiana D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1522 Sonoma Hooker Creek watershed. 520 Comment
  UCR279675  Arctostaphylos stanfordiana Ann Howald 2016-1-23 3554 Sonoma North Coast Ranges, Annapolis Ridge, west side Annapolis Rd c. 0.6 mile south of intersection with Soda Springs Rd, just north of transfer station 207 Comment
  CAS-BOT-BC47347  Arctostaphylos stanfordiana Elsa G. Ruckert 1960-3-12 18 Sonoma 1.5 mi. from Highway 12 on n. Trinity Rd. 152 Comment
  JEPS95233  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  JEPS95234  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  RSA339401  Arctostaphylos stanfordiana subsp. decumbens Roger Raiche 1985-2-3 50041 Sonoma Unnamed ridge west side of Dry Creek Valley, N of Cran Creek & S of Bradford Mountain 182 Comment
  RSA201846  Arctostaphylos stanfordiana subsp. stanfordiana Roman Gankin 1966-3-3 687 Sonoma 3.1 miles east of junction with State Highway 12. Comment
  SBBG50845  Arctostaphylos stanfordiana subsp. stanfordiana S. E. Wheaton 1966-3-27 28 Sonoma overlooking Hooker Cyn near Cavedale Rd Comment
  SEINET12524556 Image available Arctostaphylos stanfordiana subsp. stanfordiana C. M. Belshaw 1936-1 1565 Sonoma Vine hill. Sebastopol quadrangle. T. 7N. R. 9W. Comment
  UC549528  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 739 Sonoma coastal bluffs s Gualala Riv. Comment
Read comments
Nov 10 2011
  UC549530  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 746 Sonoma 1 mi s McNamees Store Comment
  UC549532  Arctostaphylos uva-ursi J. E. Adams 1934-6-9 823 Sonoma s McNamees Store Comment
  UC909827  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 740 Sonoma s McNamees Store Comment
  HSC7741  Arctostaphylos viscida P. J. Zinke 1949-6-19 63 Sonoma Divide between Smith and Dry Creek 457 Comment
  RSA202118  Arctostaphylos viscida Freed W. Hoffman 1947-4-3 677 Sonoma Wild Hog Ridge, headwaters Mill Creek, near Healdsburg. Comment
  SEINET11989191  Arctostaphylos viscida S. W. Edwards 1982-1 s.n. Sonoma The Cedars Ridge, N of Cazadero, NW of King Ridge Rd at source of Big Austin Creek Comment
  SEINET11993378  Arctostaphylos viscida subsp. pulchella W. Knight, Knight, I.; Edwards, S. 1986-1 5364 Sonoma along trail to Sulphur Peak, E of Geyserville 975 Comment
  RSA534493  Aristolochia californica Peter Rubtzoff 1986-8-31 9735 Sonoma Off Summerhome Park Road 0.2 mile W of Forest HIlls Road. Comment
  RSA262356  Armeria maritima subsp. californica Steven Yoder 1969-5-24 29 Sonoma 1 mile N of Bodega Marine Lab. 9 Comment
  UCSB19199  Armeria maritima subsp. californica Jensen, Karen 1965-4-16 Sonoma State Highway 1; 3 km. N of Salmon Creek Bridge; N of Bodega 18 Comment
  UCSB50184  Armeria maritima subsp. californica Gray, John 1976-5-1 Sonoma On North Salmon Creek Beach near Highway 1; T 6N, R 11W 18 Comment
  UCSB50231  Armeria maritima subsp. californica Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 18 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-BC90098  Artemisia Mary P. Wells 1988-9-7 965 Sonoma Rincon Valley, Santa Rosa Comment
  RSA796171  Artemisia douglasiana Peter Rubtzoff 1954-9-6 1743 Sonoma Guerneville Marsh. Comment
  RSA0015428  Artemisia pycnocephala Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  SBBG1379  Asarum caudatum H. and M. Dearing 1939-5-15 3381 Sonoma N of Fort Ross Comment
  RSA416095  Asarum caudatum Christopher Davidson 1977-6-20 6030 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  UCSB40584  Asarum caudatum Takeda, Brian 1978-5-28 Sonoma 20 miles north of Bodega Bay on highway 1 in a small Redwood canyon Comment
  SEINET10637049  Asclepias fascicularis A. Arthur Heller 1902-6-4 Heller 5643 Sonoma Santa Rosa Comment
  CAS-BOT-BC164697  Asteraceae Peter Rubtzoff 1969-5-11 6036 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC371456  Asteraceae Greg de Nevers 1989-4-1 9054 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By tank at Skovie. 400 Comment
  POM253202  Astragalus breweri A. A. Heller, H. E. Brown 1902-4-4 7747 Sonoma Hills east of Santa Rosa Comment
  UC1199085  Astragalus breweri Joseph P. Tracy 1921-5-26 5798 Sonoma 6 mi nw Cloverdale (moist flat along highway); Northern Coast Ranges, nw of Cloverdale 304 Comment
  CAS-BOT-BC178663  Astragalus claranus John Thomas Howell 1931-4-19 6431 Sonoma Grassy meadow, 12.5 miles from St. Helena on Spring Mountain Road to Santa Rosa Comment
  RSA108729  Astragalus claranus R. C. Barneby 1954-4-30 11238 Sonoma 7 miles NE of Santa Rosa, near Alpine School 152 Comment
  CAS-BOT-BC186824  Astragalus gambelianus Greg de Nevers 1995-6-6 10750 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC186825  Astragalus gambelianus Greg de Nevers 1993-5-30 10464 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Piny Canyon 457 Comment
  CAS-BOT-BC186818  Astragalus gambelianus M. S. B. 1925-4-19 270 a-Local Sonoma Near Bruner's, Sonoma Mt. Comment
  RSA227215  Athyrium filix-femina subsp. cyclosorum Peter Rubtzoff 1958-8-23 3911 Sonoma Laguna de Santa Rosa east of Cunningham Comment
  CAS-BOT-BC66157  Athyrium filix-femina var. cyclosorum John H. Thomas 1976-6-16 18291 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UCD136310  Athyrium filix-femina var. cyclosorum Mary M. Hektner 1976-12-15 283 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC1299654  Athysanus pusillus Freed Hoffman 1947-2-28 610 Sonoma near. headwaters of Gilliam Creek Guerneville; North Coast Ranges, Gilliam Creek Comment
  CAS-BOT-BC290666  Atriplex Peter Rubtzoff 1958-9-6 3988 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UC1034625  Atriplex leucophylla Milo S. Baker 1938-6-6 9016 Sonoma beach at Salmon Creek; beach at Salmon Creek Comment
  RSA654113  Avena barbata Beecher Crampton 1956-3-12 3222 Sonoma Town of Asti, Italian Swiss Colony vineyards. Comment
  SEINET10517569  Avena barbata A. Arthur Heller 1902-3-26 Heller 5157 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC99593  Baccharis pilularis Peter Rubtzoff 1951-11-24 846 Sonoma open area separating the western branch of the Upper Marsh from the eastern; Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC99595  Baccharis pilularis Marcus E. Jones 1882-7-8 s.n. Sonoma [Duncan's] Duncans Mills Comment
  CHSC110163  Baccharis pilularis subsp. pilularis Scott Sundberg; Linda Hardison 1986-9-15 3259 Sonoma 1 mi N of Bodega Bay, common along sea cliff near Hwy. 101. Comment
  HSC2223  Baccharis pilularis subsp. pilularis C. B. Wolf, E. R. Johnson 1934-10-13 6181 Sonoma 2 4/10 miles N of mouth of Russian River Comment
  CAS-BOT-BC99782  Baccharis salicifolia Alice Eastwood 1921-5-8 10464 Sonoma Petaluma Comment
  UCR254839  Barbarea orthoceras Greg de Nevers 1993-4-6 10356 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Creek, along Franz Valley Road by Franz Valley School Road 168 Comment
  UCR255700  Barbarea vulgaris Peter Rubtzoff 1989-6-10 10004 Sonoma Along Russian River, c. 6 miles east of Guerneville, at 9850 River Road 14 Comment
  CAS-BOT-BC145826  Beckmannia syzigachne Peter Rubtzoff 1958-8-16 3876 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  UC573779  Beckmannia syzigachne H. S. Yates 1937-6-5 6576 Sonoma near Wildwood; Santa Rosa Quadrangle 121 Comment
  SEINET5223259  Bellis perennis Unknown 1994-4-3 79 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  HSC100948  Betula pendula Peter Warner 2011-4-6 186 Sonoma Pitkin Marsh, lower, ~750 m N2 deg. E from junction of Hwy. 116 and Guerneville Rd., S of main stream channel. 38 Comment
  CAS-BOT-BC102051  Bidens cernua Peter Rubtzoff 1952-10-26 1333 Sonoma Pitkin Marsh, near Forestville; lower part of the Upper Marsh Comment
  UCR248911  Bidens frondosa Peter Rubtzoff 1968-9-21 5984 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  CAS-BOT-BC300480  Bidens frondosa Peter Rubtzoff 1958-7-20 3785 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road) Comment
  CAS-BOT-BC290649  Bidens laevis Peter Rubtzoff 1955-11-27 2170 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC290562  Bidens laevis Peter Rubtzoff 1962-12-1 5130 Sonoma Pitkin Marsh, near Forestville. Comment
  NY30993  Blennosperma bakeri M. S. Baker 1946-4-2 11307 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
  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-BC105959  Blennosperma nanum var. nanum J. Clausen 1933-3-25 729 Sonoma Between Warfield and Kenwood, along the highway. Comment
  CAS-BOT-BC154960  Boisduvalia Peter Rubtzoff; Nancy Harrison 1974-9-7 7861 Sonoma Hinebaugh Creek in Rohnert Park, W of Commerce Blvd. Comment
  RSA790865  Boisduvalia Peter Rubtzoff, Nancy Harrison, Ruth Hass 1974-8-31 7850 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC154954  Boisduvalia Peter Rubtzoff 1974-6-22 7617 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC154955  Boisduvalia Peter Rubtzoff 1971-6-30 6581 Sonoma Eastern foothills of Sonoma Mtns. On Sobre Vista Road, 0.9 mi. W of Arnold Drive Comment
  CAS-BOT-BC154969  Boisduvalia Peter Rubtzoff 1971-6-23 6541 Sonoma 4.25 miles W of Glen Ellen on Bennett Valley Road. Comment
  SEINET12194245  Boisduvalia densiflora W. Knigh, Knight, I. 1984-1 5235 Sonoma 5.9 mi up Cavedale Rd Comment
  CAS-BOT-BC154865  Boisduvalia stricta Peter Rubtzoff 1954-7-27 1578 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC28177  Bolboschoenus fluviatilis Peter Rubtzoff 1961-9-20 4758 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road crossing. Comment
  CAS-BOT-BC28223  Bolboschoenus fluviatilis Peter Rubtzoff 1955-8-7 2033 Sonoma Guerneville Marsh. Comment
  SEINET11750918  Bolboschoenus glaucus W. Knight, Knight, I. 1990-1 6596 Sonoma Sonoma Mission Comment
  CAS-BOT-BC376305  Boraginaceae Greg de Nevers 1992-4-8 10101 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Martin Creek. 400 Comment
  CAS-BOT-BC418503  Boykinia occidentalis Mrs. C. A. Burlingame 1921-6-28 s.n. Sonoma Sonoma Comment
  CAS-BOT-BC145444  Brachypodium distachyon G. DeNevers 1981-5-15 1188 Sonoma Pepperwood Ranch. On the ridge above Hansel's Lake, in a roadcut. Comment
  CAS-BOT-BC145445  Brachypodium distachyon G. DeNevers 1981-5-14 1151 Sonoma Pepperwood Ranch. Small canyon north of Pippindale pond, draw. Comment
  CAS-BOT-BC238186  Brassica napus Joe Ditomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab, across from entrance to the marine facility, along roadside Comment
  CAS-BOT-BC36618  Brassica nigra Mary P. Wells 1984-5-7 260 Sonoma Santa Rosa. Rincon Valley. Friends House. Comment
  CAS-BOT-BC36708  Brassica rapa Mary P. Wells 1984-5-16 s.n. Sonoma Santa Rosa. Rincon Valley. Friends House grounds. Comment
  UC1299277  Brickellia californica Freed W. Hoffman 1946-8-16 786 Sonoma 1 mi below Guerneville (gravel bar along Russian River, North Coast Ranges); North Coast Ranges, Russian River Comment
  JEPS45817  Briza maxima Eleanor Armstrong 1932-5-16 154 Sonoma 2 mi southeast of Camp Meeker on ridge 106 Comment
  SBBG21223  Briza maxima B. Crampton 1954-4-26 Sonoma 2 mi N of Geyserville, US Hwy 101 Comment
  SEINET4182957 Image available Briza maxima Robert F. Hoover 1941-5-14 5102 Sonoma Hills north of Bodega. Comment
  UCSC000040  Briza maxima H. S. Yates 1936-5-16 5606 Sonoma 2 miles SE o fForestville - Sebastopol 30 Comment
  CAS-BOT-BC145283  Briza minor David L. Morgan 1956-5-6 s.n. Sonoma On the Petaluma - Valley Ford road near Robler Road. Comment
  JEPS5690  Brodiaea californica var. leptandra W. L. Jepson 1918-6-23 7654 Sonoma Windsor, Poor Man's Flat Comment
  CAS-BOT-BC484399  Brodiaea elegans subsp. elegans Peter Rubtzoff 1969-6-15 6087 Sonoma Laguna de Santa Rosa 1 mile east/southeast of Sebastopol Comment
  UC1442870  Brodiaea leptandra Theodore F. Niehaus 1966-5-4 679 Sonoma 2.6 mi w Napa/Sonoma Co. line (on Springs Mtn Rd) Comment
  SEINET9636479 Image available Brodiaea stellaris Fred W. Hoffman 1947-5-18 541 Sonoma ca. 2 miles east of Occidental. Comment
  UCD77159  Brodiaea terrestris Robert E. Preston 2005-6-11 2350 Sonoma Irish Hill, along Coleman Valley Rd, ca. 1 mi E of Hwy 1. 208 Comment
  UCD55138  Bromus carinatus Ellen Dean; Tammie Beyerl 2006-4-28 3020 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 179 Comment
  CAS-BOT-BC149090  Bromus carinatus var. carinatus Peter Rubtzoff 1953-5-18 1401 Sonoma South of Guernevile (Neeley Hill area). Comment
  CAS-BOT-BC149098  Bromus carinatus var. carinatus Roxana S. Ferris; Laura Lorraine 1961-6-14 13535 Sonoma Joy Road grade, 1.8 mile from junction with Bodega Highway. 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
  UCD58474  Bromus commutatus B. Crampton 1955-5-8 2820 Sonoma Hwy. 128. Alexander Valley. Comment
  CAS-BOT-BC155669  Bromus diandrus A. A. Heller 1902-4-17 5322 Sonoma Santa Rosa. Comment
  RSA128739  Bromus diandrus P. H. Raven 1950-4-6 1595 Sonoma Santa Rosa to Rincon Ridge Comment
  CAS-BOT-BC155202  Bromus hordeaceus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  UC1010995  Bromus hordeaceus Virginia Bufford 1936-5-22 383 Sonoma about 10 mi from Stewarts Point (Skaggs Spring Road); Skaggs Spring Road Comment
  UC60199  Bromus hordeaceus A. B. L. 1896-4-9 Sonoma Petaluma Comment
  UCD58689  Bromus hordeaceus Beecher Crampton 1956-3-13 3226 Sonoma Asti. Comment
  UCD58707  Bromus hordeaceus Mary M. Hektner; Sue Dakuzaku 1974-6-3 18 Sonoma Sea Ranch. Near State Highway 1. Unit 24 Owners' Map. Comment
  UCD58836  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3558 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  SDSU951  Bromus japonicus D. F. Howe 1972-5-2 4817 Sonoma Trail above Duncan Mills Pond Comment
  CAS-BOT-BC162391  Bromus laevipes G. DeNevers 1981-6-27 1705 Sonoma Pepperwood Ranch. Summit of Franz Valley Road. Comment
  UCD36300  Bromus laevipes Beecher Crampton 1953-5-19 1296 Sonoma Sonoma County, 10 miles west of Calistoga, on Highway 128. Comment
  UCD58963  Bromus madritensis R. Tofsrud 1949-4-1 s.n. Sonoma Road to 'Top O World.' N of Sonoma. Comment
  CAS-BOT-BC161701  Bromus rubens A. S. Hitchcock 1902-4-4 5216 Sonoma Hills near Santa Rosa. Comment
  CAS-BOT-BC161584  Bromus sterilis John Thomas Howell 1949-4-6 25305 Sonoma Along road southwest of Sonoma. Comment
  CAS-BOT-BC161585  Bromus sterilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53965 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  UCD36681  Bromus vulgaris Beecher Crampton 1955-6-17 2928 Sonoma Sonoma County, 1.6 miles west of Forestville, along State Highway 12. Comment
  SD38261  Cakile edentula var. edentula Edith A. Purer 1932-7-21 4040 Sonoma Bodega Bay Comment
  CAS-BOT-BC36913  Cakile maritima var. maritima Walter Knight; Irja Knight 1963-8-13 138 Sonoma Horseshoe Cove. Comment
  CAS-BOT-BC185407  Calamagrostis bolanderi John Thomas Howell 1947-6-26 23312 Sonoma Cunningham Marsh. Comment
  UC768850  Calamagrostis koelerioides R. F. Hoover 1941-5-14 5090 Sonoma 2 mi s Monte Rio (toward Camp Meeker) Comment
  UCD57535  Calamagrostis ophitidis R. Tofsrud 1948-7-1 s.n. Sonoma about halfway between The Geysers and Alexander Valley. Comment
  UCD57734  Calamagrostis rubescens R. Tofsrud 1951-6-1 s.n. Sonoma north of Sonoma, 'Top-O-The-World' road, near Bay Area Lookout. Comment
  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-BC438602  Calandrinia ciliata Peter Rubtzoff 1954-9-4 1727 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC273239  Calendula arvensis Milo S. Baker 1946-4-2 11306 Sonoma Along an overflow channel West side of Sonoma Cr. a mile or so south of El Verano Comment
  CAS-BOT-BC293751  Callitriche marginata Peter Rubtzoff 1969-5-3 6006 Sonoma Laguna de Santa Rosa, ca. 1 mile ESE of Sebastopol. Comment
  HSC100960  Callitriche marginata Peter Warner, Sarah Gordon 2011-5-16 199 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), 175 m E144 deg. S from swimming pool. 210 Comment
  CAS-BOT-BC483278  Calochortus amabilis F. G. Krauss 1895-5-6 s.n. Sonoma Mountains near Franz Valley Comment
  CAS-BOT-BC483290  Calochortus amabilis W. W. Carruth 1901-6-1 s.n. Sonoma Near Seaview Comment
  RSA377261  Calochortus amabilis Christopher Davidson 1977-6-20 6016 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  SEINET7042684  Calochortus luteus A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UC3486  Calochortus uniflorus W. H. Brewer 1864-1 3960 Sonoma Mark West Comment
  UCD129722  Calycadenia multiglandulosa Gerald D. Carr 1971-7-7 577 Sonoma junction of Facienda Lane and Occidental Road. Comment
  CAS-BOT-BC270846  Calycadenia pauciflora Marcus E. Jones 1931-7-5 21925 Sonoma The Geysers Comment
  CAS-BOT-BC371472  Calycadenia pauciflora Greg de Nevers 1993-8-7 10484 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa near the barn 400 Comment
  RSA0009791  Calycadenia pauciflora Marcus E. Jones 1931-7-5 29125 Sonoma The Geysers. Comment
  CDA31327  Calycadenia truncata D. G. Kelch 2006-10-4 6 .498 Sonoma Along Cavedale Road about 5 KM E of Route 12. Comment
  UCD129888  Calycadenia truncata K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  SEINET9343982  Calycadenia truncata Unknown 1993-10-2 11423 Sonoma Sonoma Comment
  CAS-BOT-BC90990  Calycanthus occidentalis Peter Rubtzoff 1960-6-10 4492 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC90994  Calycanthus occidentalis Peter Rubtzoff 1987-7-18 9798 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC91016  Calycanthus occidentalis Catherine Best 1981-6-5 s.n. Sonoma Bohemian Highway 3 miles north of Occidental. Comment
  OBI49312  Calycanthus occidentalis Michener & Bioletti, Bioletti Jun 1893 s.n. Sonoma Hoods Peak Comment
  UC34864  Calycanthus occidentalis W. C. Blasdale 1894-5-10 Sonoma Guerneville Comment
  UC34952  Calycanthus occidentalis W. C. Blasdale 1896-7-18 Sonoma Cazadero Comment
  JEPS64303  Calypso bulbosa Dorothea Gorter 1919-4-21 Sonoma near Cazadero Comment
  JEPS64304  Calypso bulbosa Herman and King 1919-4-15 Sonoma Camp Meeker Comment
  UC1140871  Calypso bulbosa R. M. and A. Tryon 1958-3-9 Sonoma 1 mi w of Cazadero (on road to Fort Ross) Comment
  JEPS86302  Calystegia Jack and Betty Guggolz 1988-5-8 941 Sonoma Pine Flat Road, 7.9 miles from Highway 128 on east side of the road Comment
  JEPS88967  Calystegia collina subsp. collina Jack and Betty Guggolz 1988-6-13 945 Sonoma Pine Flat Road 9.2 mi from its junction with Highway 128; Comment
  RSA799041  Calystegia collina subsp. collina Sandra M. Namoff, Eric R. Carter 2013-6-20 94 Sonoma East of Santa Rosa, N side of Los Alamos Rd about 0.5 miles east of high transmission lines, same location as Jack and Betty Guggolz 1107. 524 Comment
  JEPS87234  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1992-5-2 1268 Sonoma About 3/8 miles northeast of White Rock is about 1 3/4 miles north of Jimtown 377 Comment
  CAS-BOT-BC224742  Calystegia purpurata subsp. saxicola John Thomas Howell 1930-6-8 5290 Sonoma 8.5 miles n. of Bodega Bay Comment
  JEPS128289  Calystegia subacaulis Roger Raiche 2008-5-18 005 .08 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET12327834  Calystegia subacaulis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -171 Sonoma 0.6 mi from junction of Harrison Grade Road on Stoetz Lane 146 Comment
  UCD166111  Camissonia Peter Rubtzoff 1972-4-23 6739 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  POM180624  Camissonia cheiranthifolia subsp. cheiranthifolia J. T. Howell 1930-6-8 5273 Sonoma North end of Bodega Bay. Comment
  UC1301104  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Helen K. Sharsmith 1963-5-25 5498 Sonoma sand dunes just s Bodega Harbor; San Francisco Bay Region 1 Comment
  UC726605  Camissoniopsis cheiranthifolia subsp. cheiranthifolia A. A. Heller 1940-5-17 15626 Sonoma bluff n Bodega Bay Comment
  JEPS48129  Campanula angustiflora Milo Baker 1942-5-27 10203 Sonoma along road turning n Spring Mt. Road summit (near boundary of Sonoma and Napa Counties) Comment
  SEINET10905990  Campanula californica Wolf 1927-9-2 WOLF 1355 Sonoma 1 mile south of the Gualala River on coast road Comment
  JEPS128212  Campanula griffinii Roger Raiche 2003-5-24 016 .03 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC456047  Campanula prenanthoides I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  SEINET10462844  Campanula prenanthoides Frederic T. Bioletti 1892-7-5 Bioletti s.n. Sonoma SHAGG'S SPRINGS Comment
  UCD114128  Capsella bursa-pastoris Mary M. Hektner 1975-6-24 212 Sonoma in the University of California, Davis experimental competition plots next to the Sea Ranch Association Office; Unit 18-A Sea Ranch, near State Highway 1. Comment
  UCD165158  Capsella bursa-pastoris Peter Rubtzoff 1974-5-19 7443 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC37759  Cardamine californica A. A. Heller; H. E. Brown 1902-3-20 5104 Sonoma Near Windsor. Comment
  CAS-BOT-BC37770  Cardamine californica F. Almeda; G. DeNevers 1981-3-30 4889 Sonoma Pepperwood Ranch. Summit and east-facing slope of Three Tree Hill. Comment
  CAS-BOT-BC37774  Cardamine californica Peter Rubtzoff 1953-5-18 1408 Sonoma South of Guerneville (Neeley Hill area). Comment
  RSA135439  Cardamine californica var. integrifolia R. H. Thompson 1880-04 s.n. Sonoma Near Healdsburg. Comment
  SEINET9367525  Cardamine hirsuta John Nelson, Wnek, Richard 2000-3-8 20950 Sonoma Frequent and weedy in open flower garden; residence/parking lot edge near post office; downtown Guerneville. With Oxalis oregana, Stachys rigida, Nemophila parviflora, Comment
  CAS-BOT-BC38041  Cardamine oligosperma Dorothy Scherer 1996-4-8 023 Sonoma Kolmer Gulch, west of Highway 1, Fort Ross State Historic Park. 1 Comment
  CAS-BOT-BC38116  Cardamine parviflora R. Bacigalupi 1948-3-6 2856 Sonoma Northwest Sonoma County. At junction of roads from Stewart's Point and Annapolis, on road from Skaggs Springs. Comment
  CAS-BOT-BC281762  Carduus pycnocephalus G. DeNevers 1981-5-23 1251 Sonoma In Hansel's cow pasture Comment
  UCD164101  Carex Peter Rubtzoff; Nancy Harrison 1978-5-20 9184 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  CAS-BOT-BC18143  Carex athrostachya Peter Rubtzoff 1958-7-5 3734 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC18145  Carex athrostachya Peter Rubtzoff 1959-5-30 4055 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC320583  Carex athrostachya Peter Rubtzoff 1970-6-14 6260 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  UC590014  Carex athrostachya H. S. Yates 1936-5-16 5622 Sonoma near Green Valley School 91 Comment
  CAS-BOT-BC19366  Carex barbarae J. W. Congdon 1880-5-17 s.n. Sonoma Sebastopol. Comment
  CAS-BOT-BC350809  Carex barbarae Peter Rubtzoff 1955-5-21 1873 Sonoma Forestville Marsh. Comment
  RSA122799  Carex barbarae H. S. Yates 1936-5-16 5584 Sonoma 1 mile northeast of Graton. 30 Comment
  UCR249353  Carex barbarae Peter Rubtzoff 1958-5-10 3655 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road) 21 Comment
  CAS-BOT-BC311815  Carex barbarae Peter Rubtzoff 1959-6-27 s.n. Sonoma Laguna de Santa Rosa northeast of Graton (ca. 0.5 miles north of Guerneville Road crossing). Comment
  RSA0022385  Carex barbarae Peter Rubtzoff 1953-5-16 1360 Sonoma Vacation Beach. Near Guerneville. along Russian River. Comment
  UCR248864  Carex cusickii Peter Rubtzoff 1962-5-25 4841 Sonoma Laguna de Santa Rosa area, northeast of Gratton, near the Laguna Road 30 Comment
  UCR248870  Carex cusickii Peter Rubtzoff 1955-5-14 1839 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC350936  Carex cusickii Peter Rubtzoff 1958-5-17 3678 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC20498  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Sonoma County Marshes. Stony Point Marsh. Comment
  CAS-BOT-BC242639  Carex densa Peter Rubtzoff 1957-5-11 3338 Sonoma Occidental Marsh Comment
  CAS-BOT-BC474744  Carex densa James A. Neilson, Jr. 1974-8-19 2852 Sonoma Mayacmas Mountains. Little Geysers 731 Comment
  UCD112411  Carex densa Peter Rubtzoff 1957-5-11 3328 Sonoma Occidental Marsh. 1310 Comment
  UCR250035  Carex exsiccata Peter Rubtzoff 1958-5-3 3617 Sonoma Atascadero Creek Marsh Comment
  UCR250396  Carex exsiccata Peter Rubtzoff 1954-8-2 1622 Sonoma Duncan Mills Marsh, upper portion of marsh 2 Comment
  CAS-BOT-BC19952  Carex exsiccata John Thomas Howell; J. W. Stacey 1937-6-6 13026 Sonoma Sebastopol. Comment
  CAS-BOT-BC311828  Carex feta Peter Rubtzoff 1974-6-2 7508 Sonoma Upper Green Valley Marsh. Comment
  UCD140352  Carex globosa Roxana S. Ferris; Laura Lorraine 1961-6-15 13556 Sonoma Green Valley Road 0.8 mi. E of junction with Harrison Grade Road. Comment
  CAS-BOT-BC28326  Carex gracilior John Thomas Howell 1947-6-5 23241 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC146614  Carex gynodynama A. A. Heller 1903-4-23 6605 Sonoma Fort Ross Comment
  CAS-BOT-BC422374  Carex gynodynama Peter Rubtzoff 1957-5-11 3331 Sonoma Occidental Marsh. Comment
  UCR249354  Carex gynodynama Peter Rubtzoff 1957-5-11 3331 Sonoma Occidental Marsh Comment
  RSA0022420  Carex hassei Peter Rubtzoff 1963-7-6 5194 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC311814  Carex hendersonii Peter Rubtzoff 1955-5-14 1855 Sonoma Duncans Mills Marsh. Comment
  SEINET1783034  Carex lacunarum A. A. Heller 1902-7-1 5797 Sonoma At Sebastopol. Comment
  CAS-BOT-BC419696  Carex lasiocarpa Peter Rubtzoff 1962-5-11 4820 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UCD140482  Carex leptopoda Roxana S. Ferris; Laura Lorraine 1961-6-14 13539 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway. Comment
  CAS-BOT-BC31433  Carex leptopoda LeRoy Abrams 1920-7-3 7600 Sonoma Gualala River. Comment
  CAS-BOT-BC119580  Carex nudata John Thomas Howell 1933-4-2 10931 Sonoma Sonoma Creek Canyon Comment
  CDA12282  Carex nudata G. F. Hrusa 1988-2-21 5500 Sonoma North Coast Biodiversity Arena; Sugarloaf Ridge State Park. Upper end of main valley. Comment
  CHSC33993  Carex nudata J. D. Prouty 1980-4-12 860 Sonoma Between Porter Creek and Porter Creek Road ca. 0.1 mi w of junction with Petrified Forest Road. 256 Comment
  UCD140692  Carex nudata Frederic Hrusa 1988-2-21 5500 Sonoma Sugarloaf Ridge State Park. Upper end of main valley in moist area along creek. 400 Comment
  UCR248715  Carex nudata Peter Rubtzoff 1962-5-6 4811 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River 3 Comment
  CAS-BOT-BC119280  Carex ovalis Peter Rubtzoff 1951-7-7 378 Sonoma Pitkin Marsh, near Forestville. Eastern Branch of the Upper Marsh. Comment
  CAS-BOT-BC119288  Carex ovalis John Thomas Howell 1947-6-5 23237 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC312676  Carex ovalis Peter Rubtzoff 1955-8-6 2025 Sonoma Duncans Mills Marsh. Comment
  SEINET7572506 Image available Carex preslii Andrew L. Hipp, Glen C. Clifton 1999-5-27 334 a Sonoma City of Santa Rosa. Comment
  SJSU8861  Carex senta R. D. Demostene 1965-4-25 Sonoma creek bed 3.5 mi NW of Cloverdale on State Rte 128 144 Comment
  CAS-BOT-BC117672  Carex serratodens Gregory Clark de Nevers 1987-4-25 8164 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd. 400 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
  RSA0023072  Carex serratodens Peter Rubtzoff 1962-6-19 4933 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC329280  Carex stipata Peter Rubtzoff 1955-5-14 1838 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC116931  Carex subbracteata Peter Rubtzoff 1957-5-11 3330 Sonoma Occidental Marsh. Comment
  UCR248925  Carex subbracteata Peter Rubtzoff 1955-5-14 1842 Sonoma Austin Creek Marsh 15 Comment
  CAS-BOT-BC116928  Carex subbracteata Peter Rubtzoff 1958-5-1 3626 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC312707  Carex subbracteata var. subbracteata Peter Rubtzoff 1974-6-2 7506 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC320500  Carex subbracteata var. subbracteata Peter Rubtzoff 1976-5-30 8564 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC329288  Carex tumulicola Peter Rubtzoff 1960-5-16 4345 Sonoma Duncans Mills Marsh. Comment
  RSA0031801  Carex tumulicola Peter Rubtzoff 1960-5-16 4345 Sonoma Duncans Mills Marsh. Borderland of the marsh. Comment
  UC1123  Carex tumulicola H. N. Bolander Apr. 1864 3821 Sonoma Mark West Creek Comment
  UCD19304  Carpobrotus edulis Terry Reedy 1974-5-11 204 Sonoma Bodega Head, between road and freshwater marsh. 3 Comment
  RSA234562  Carthamus lanatus Peter Rubtzoff 1960-7-5 6110 Sonoma Ca. 6 mo. northeast of Penngrove, on Lichan Road Comment
  HSC26187  Carthamus leucocaulos William J. Ferlatte 1972-6-22 1392 Sonoma 1 mile W of Asti Comment
  UCD129939  Carthamus leucocaulos P. F. Knowles 1969-9-23 18901 Sonoma 1 mile west of Asta. Comment
  SEINET7067335  Castilleja affinis A. G. Vestal 1947-5-16 s.n. Sonoma About 6.7 miles East of Windsor on Mendocino Avenue. Coordinate datum: NAD27. UTM Zone 10, 523728mE, 4258330mN. Comment
  JEPS14262  Castilleja affinis subsp. affinis Rimo Bacigalupi and F. Chisaki with G. Thomas Robbins 1956-4-17 5585 Sonoma 0.9 mi below Rincon Grade summit (on road between Kenwood and Franz Valley and Calistoga, overlooking Rincon Valley) 213 Comment
  RSA19277  Castilleja ambigua subsp. ambigua Jens Clausen 1935-5-24 1095 Sonoma 6.5 mi. S. of Jenner on the Bodega Road. Comment
  JEPS3635  Castilleja applegatei subsp. martinii C. Ritchie Bell 1952-6-12 1143 Sonoma 3.7 mi e Pine Flat (on ridge near Sonoma-Lake County line); Mayacamas Range Comment
  UCD122304  Castilleja attenuata Collector unknown Date unknown s.n. Sonoma location unknown. Comment
  SEINET7067295  Castilleja densiflora A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor near the Russian River. Coordinate datum: NAD27. UTM Zone 10, 512347mE, 4272854mN. Comment
  POM15642  Castilleja densiflora subsp. densiflora A. A. Heller, H. E. Brown 1902-4-16 13150 Sonoma Fields east of Santa Rosa 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
  JEPS22422  Castilleja rubicundula subsp. lithospermoides Francia Chisaki with R. Ornduff and H. G. Baker 1958-4-26 1132 Sonoma 2.6 mi n Healdsburg Comment
  UC336301  Castilleja rubicundula subsp. lithospermoides unknown 579 Sonoma Sonoma Valley Comment
  JEPS19385  Castilleja subinclusa subsp. franciscana G. Thomas Robbins 1938-4-15 256 Sonoma 2.5 mi e Bodega Bay (along road to Bodega) Comment
  JEPS60450  Castilleja subinclusa subsp. franciscana T. I. Chuang and F. M. Chuang 1969-6-29 6688 Sonoma 1.8 mi se Bodega Bay (on Highway 1) Comment
  UCD123033  Castilleja subinclusa subsp. franciscana Terri Williamson 1990-5-20 56 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  POM202854  Castilleja wightii J. T. Howell 1934-3-3 11735 Sonoma Bodega Bay. Comment
  HSC90796  Castilleja wightii L. R. Heckard 1964-6-12 1383 Sonoma Off Hwy. 1 near the point where road descends into Russian Gulch, about 2 mi. N of Mouth of Russian River Comment
  UCR255652  Caulanthus lasiophyllus Greg de Nevers 1997-4-24 10959 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC47801  Ceanothus John Thomas Howell 1937-4-11 12900 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  JEPS42276  Ceanothus H. L. Mason 1931-3-8 Sonoma 8 mi w Santa Rosa (between Santa Rosa and Guerneville, near Vine Hill School) Comment
  CAS-BOT-BC48513  Ceanothus confusus John Thomas Howell 1933-4-2 10946 Sonoma Rincon Ridge near Santa Rosa Comment
  CAS-BOT-BC48515  Ceanothus confusus Bruce A. Stein 1981-5-31 557 Sonoma Rincon Ridge, Fountaingrove Ranch 228 Comment
  CAS-BOT-BC48522  Ceanothus confusus J. Clausen 1933-3-26 739 Sonoma Rincon Range east of Santa Rosa Comment
  JEPS83495  Ceanothus confusus Jack and Betty Guggolz 1985-5-29 835 Sonoma w Geyserville (off West Dry Creek Rd, near edge of Chamise Rd) Comment
  SBBG119963  Ceanothus confusus A. Howald 2007-4-2 2456 Sonoma Goodspeed Trail just below highest pt of trail, E of Peirson Rd, ca. 0.6 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 310 Comment
  UCD111365  Ceanothus confusus Roger Raiche 1985-11-23 RR 50894 Sonoma west of Dry Creek Valley, Bradford Mountain. 371 Comment
  UC870505  Ceanothus confusus Milo S. Baker 1940-6-20 9775 Sonoma top of ridge N of County Hospital, near type locality Comment
  RSA0028419  Ceanothus divergens A. A. Heller, H. E. Brown 1902-3-27 9008 Sonoma Western base of Mt. Hood. Comment
  RSA177972  Ceanothus divergens subsp. confusus Robert F. Thorne 1965-4-20 34348 Sonoma Top of Parker Hill (N end of Parker Hill Rd.) ca. 3 mi. No. of Santa Rosa. 244 Comment
  UC33653  Ceanothus foliosus F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  UCD160017  Ceanothus foliosus James A. Neilson Jr. 1975-1-24 3132 Sonoma Mayacmas Mountains; Dominichelli Ranch # 1. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  CAS-BOT-BC64417  Ceanothus foliosus subsp. vineatus John Thomas Howell 1931-3-14 5780 Sonoma Vine Hill District, 19 mi. w. of Santa Rosa. Comment
  CAS-BOT-BC64419  Ceanothus foliosus subsp. vineatus John Thomas Howell 1941-4-5 16173 Sonoma Raven Ridge. Comment
  JEPS25144  Ceanothus foliosus var. foliosus G. Thomas Robbins 1959-5-16 4014 Sonoma Spring Mountain Road, between Calistoga Road and Sonoma-Napa County line Mayacamas Mountains 518 Comment
  RSA300966  Ceanothus foliosus var. vineatus D. C. Michener 1982-7-26 4118 Sonoma Vine Hill School road, 100' west of Vine Hill school, lot west of residence 6096; north road bank between vineyard and road Comment
  UCD112132  Ceanothus foliosus var. vineatus Ray Prag 1970-6-9 s.n. Sonoma Vine Hill School Road, 3/4 mile east of Vine Hill Road. Comment
  CAS-BOT-BC50010  Ceanothus gloriosus Milo S. Baker 1935-4-1 8029 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50014  Ceanothus gloriosus John Thomas Howell 1937-4-11 12904 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49948  Ceanothus gloriosus var. exaltatus Walter Knight; Irja Knight 1963-11-21 417 Sonoma Guerneville Rd near Laguna Rd. Comment
  SBBG27258  Ceanothus gloriosus var. exaltatus C. B. Wolf 1941-7-30 4389 Sonoma 8.5 mi S of Stewart's Pt, at entrance to Salt Pt Ranch 30 Comment
  UC725659  Ceanothus gloriosus var. exaltatus A. A. Heller 1942-3-15 16400 Sonoma Vine Hill region on the Eastwest road below the Vine Hill School. Comment
  UC870564  Ceanothus gloriosus var. exaltatus Leo Koch 1938-5-26 165 Sonoma transplanted from Vine Hill near type locality Santa Rosa (Junior College). Comment
  UC912378  Ceanothus gloriosus var. exaltatus Herbert L. Mason 1931-3-7 5802 Sonoma Vine Hill School, 12 miles west of Santa Rosa. Comment
  CAS-BOT-BC49975  Ceanothus gloriosus var. gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S. of Stewart's Point Comment
  RSA19014  Ceanothus gloriosus var. gloriosus J. T. Howell 1934-3-3 11742 Sonoma 8 miles south of Stewart's Point Comment
  CAS-BOT-BC63736  Ceanothus griseus A. A. Heller 1903-4-23 6606 Sonoma Fort Ross. Comment
  CAS-BOT-BC63740  Ceanothus griseus Ella Dales Cantelow 1940-4-20 4288 Sonoma N. of Fort Ross. Hwy 1. Comment
  UCD111985  Ceanothus integerrimus R. H. Neuns 1950-5-17 111 Sonoma 4 miles east of The Geysers (airline). 990 Comment
  CAS-BOT-BC50650  Ceanothus jepsonii Catherine Best 1981-4-4 s.n. Sonoma Harrison Grade Road 2 miles north of Occidental Comment
  JEPS46062  Ceanothus jepsonii Eleanor Armstrong 1933-4-15 790 Sonoma Camp Meeker 289 Comment
  RSA1148  Ceanothus jepsonii B. D. Stark 1929-7-22 1381 Sonoma Sonoma-Mendocino County line. Comment
  RSA178027  Ceanothus jepsonii Robert F. Thorne 1965-4-19 34282 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC51876  Ceanothus parryi John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54689 Sonoma Bouverie Audobon Preserve, about 1.5 miles East of Glen Ellen near Stuart Creek 137 Comment
  JEPS25143  Ceanothus parryi G. Thomas Robbins 1959-5-16 4013 Sonoma on Spring Mtn Road between Calistoga Road and Sonoma-Napa County line (along upper Mark West Creek, Mayacamas Mts.); Mayacamas Mts., along upper Mark West Creek 426 Comment
  RSA0084060  Ceanothus parryi D. C. Michener 1982-7-26 4122 Sonoma Openings in mixed evergreen forest along lBohemian Hwy, 1.8miles N of jct with Graton road, 4.8 miles S of jct with 116 in Monte Rio Comment
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Oct 9 2018
  UC750534  Ceanothus parryi Lewis S. Rose 1947-5-9 47134 Sonoma Occidental 152 Comment
  RSA301114  Ceanothus parryi D. C. Michener 1982-7-26 4121 Sonoma Graton road 5.6 miles W of RR xing in Graton, 0.2 miles E of jct with Bohemian Hwy Comment
  SDSU10296  Ceanothus parvifolius D. F. Howe 1972-4-28 4811 Sonoma Trinity Road, Mt. Hood Range. 396 Comment
  UC1299590  Ceanothus prostratus Freed W. Hoffman 1948-5-10 2744 Sonoma e slope Cobb Mountain North Coast Ranges, e slope Cobb Mountain 1219 Comment
  UC580718  Ceanothus purpureus C. M. Belshaw 1936-3-8 1582 Sonoma 3/4 mile north of Annandel, northwest of Kenwood 144 Comment
  CAS-BOT-BC53034  Ceanothus sonomensis Walter Knight; Irja Knight 1964-1-30 521 Sonoma Hooker Canyon, Cavedale Road Comment
  CAS-BOT-BC53046  Ceanothus sonomensis Cliff Schmidt; Walter Knight 6055 Sonoma Cavedale Road 274 Comment
  SEINET12210794  Ceanothus sonomensis W. Knight, Knight, I. 1982-1 4676 Sonoma Tilden Botanic Garden, Berkeley 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
  CAS-BOT-BC52399  Ceanothus velutinus Walter Knight; Irja Knight 1963-12-27 468 Sonoma Summit. Pine Flat Rd. Comment
  SEINET6165161 Image available Ceanothus velutinus Unknown 1981-6-8 s.n. Sonoma Ridge between N and S peaks of Mt. St. Helena 1219 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
  JEPS86808  Centaurea calcitrapa Jack and Betty Guggolz 1991-6-1 1162 Sonoma on e side of hwy, just n of its intersection with Hessel Road Hwy 116 42 Comment
  CAS-BOT-BC277257  Centaurea solstitialis James McMurphy 1909-8-9 s.n. Sonoma Sonoma Comment
  OBI35874  Centaurium erythraea David J. Keil 1983-6-29 17201 Sonoma Ca. 10 mi SE of Ft. Ross along hwy 1 Comment
  JEPS20838  Centaurium muehlenbergii Harry K. Roberts 1958-7-8 Sonoma 0.1 mi e junction of the Sebastopol and Occidental roads (and extending w toward Sebastopol for 1.2 mi on the lower half of the borrow pit on the s side of the Sebastopol-Santa Rosa highway) Comment
  UC878328  Centaurium trichanthum Milo S. Baker 1940-7-18 9785 Sonoma ca 0.5 mi n Wilfred Station (w side of Hwy 101) Comment
  CDA388  Centaurium venustum D. G. Kelch 2003-7-14 3 .379 Sonoma Cavedale Road. Comment
  CAS-BOT-BC288810  Centromadia fitchii Walter Knight; Irja Knight 1965-9-12 1184 Sonoma Newanga Rd, near Santa Rosa, adjacent to flood control reservoir Comment
  CAS-BOT-BC249316  Cerastium Peter Rubtzoff 1967-8-22 5858 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  JEPS51354  Cerastium arvense J. Burtt Davy 1896-3-14 1664 Sonoma Cazadero Comment
  CDA36948  Cerastium glomeratum CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCD98062  Cerastium glomeratum Peter Rubtzoff 1951-6-16 241 Sonoma Pitkin Marsh, near Forestville. Western branch of upper marsh. Comment
  CAS-BOT-BC388439  Cerastium glomeratum Peter H. Raven 1954-2-27 6423 Sonoma Cavedale Road, ca. 3 miles n. of Boyes Springs, Sonoma Valley Comment
  RSA94648  Cerastium glomeratum Peter Rubtzoff 1952-3-23 902 Sonoma Southern half of Lower Marsh; Pitkin Marsh, near Forestville. Comment
  UCD98054  Cerastium glomeratum Caitlin Lewis; William Mutch 1993-4-17 s.n. Sonoma about 40 air miles N of San francisco, 11 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. In Adobe Canyon, N of Sugarloaf Ridge and S of Red Mtn. 1 mile. Near visiter center. 365 Comment
  CDA16230  Ceratophyllum demersum G. F. Hrusa, R. Gross 1998-2-15 14151 Sonoma Knights Valley; Foote Ranch. 0 Comment
  CAS-BOT-BC400230  Ceratophyllum demersum Peter Rubtzoff 1955-7-16 1969 Sonoma Bennett Mtn. Lake Comment
  POM68417  Cercis occidentalis Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  SEINET11908935  Cercocarpus betuloides W. Knight, Knight, I. 1981-1 3989 Sonoma 5.6 mi up Cavedale Road at summit from jct of state route #12 Comment
  CAS-BOT-BC135418  Cercocarpus betuloides var. betuloides Walter Knight; Irja Knight 1963-12-27 474 Sonoma Pine Flat Road, summit. Comment
  UCD113060  Cercocarpus betuloides var. betuloides Frederica Bowcutt 1994-6-25 1908 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. Gray Pine Trail >1/2 mile N of trailhead on Meadow Trail, E of Sonoma Creek. 445 Comment
  RSA437541  Chamaemelum fuscatum R. C. Bacigalupi 1948-4-4 2870 Sonoma In vineyard, ca. 2 mi. so. of Asti, along US 101 Comment
  CDA7378  Chamaemelum fuscatum G. D. Barbe 1974-4-29 1781 Sonoma 1 mile south of Washington School Road on Asti Road, Asti. 0 Comment
  HSC67549  Chamaemelum fuscatum J. P. Smith 1975-3-27 8047 Sonoma Dutcher Creek Rd., 0.7 mi. from its jct. with U.S. 101 Comment
  CAS-BOT-BC166654  Chenopodium Peter Rubtzoff 1973-8-20 7244 Sonoma Sonoma Creek bottom near Aqua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC166669  Chenopodium Peter Rubtzoff 1975-9-7 8370 Sonoma South side of American River in the vicinity (west) of Watt Ave. bridge. Comment
  CAS-BOT-BC354325  Chlorogalum pomeridianum Peter Rubtzoff 1958-7-19 3765 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC499263  Chlorogalum pomeridianum Roxana S. Ferris; Laura Lorraine 1961-6-14 13527 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  UCD138415  Chlorogalum pomeridianum Mary M. Hektner 1975-6-22 210 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS51212  Chlorogalum pomeridianum var. pomeridianum Glen Keator 1967-6-26 SN 3 Sonoma 1/2 mi e Occidental Comment
  UCD150645  Chorizanthe cuspidata var. villosa Lisa McNair 1974-5-11 80 Sonoma Bodega Bay, just outside the University of California Bodega Marine Laboratory. 6 Comment
  CAS-BOT-BC252850  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1925-5-9 11750 Sonoma Mt. St. Helena Comment
  POM289615  Chrysanthemum segetum Lyman Benson 1934-8-30 6132 Sonoma Bodega Bay, Seaward N Coast Mt. Range, Pacific Ocean Watershed 30 Comment
  RSA749089  Chrysolepis chrysophylla P. C. Pendse 1979-10-7 s.n. Sonoma Salt Point State Park. Next to ranger station. Among bishop pines, coast redwood, and tan oaks. Comment
  UC1011105  Chrysolepis chrysophylla var. chrysophylla Milo S. Baker 1941-8-4 8591 Sonoma 2 mi n Stewart's Point - Healdsburg Highway (Richardson's Ranch, at a point 5 mi from the coast) 457 Comment
  CAS-BOT-BC285252  Cichorium intybus Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5857 Sonoma Llano Road 45 Comment
  RSA0015628  Cirsium brevistylum Peter Rubtzoff 1964-5-20 5313 Sonoma Brooks Gulch 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-BC279994  Cirsium douglasii var. douglasii A. A. Heller 1902-7-2 5804 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC279995  Cirsium douglasii var. douglasii A. A. Heller 1902-7-2 5803 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC280361  Cirsium occidentale var. venustum A. A. Heller 1902-6-24 5753 Sonoma Near Burke's Sanitarium Comment
  CDA1486  Cirsium occidentale var. venustum E. P. Delfino 1960-4-11 s.n. Sonoma Cloverdale; Rust Horn Ranch, Pine Mt. Rd. 0 Comment
  UC30832  Cirsium occidentale var. venustum F. T. Bioletti 1893-1-1 Sonoma Glen Ellen Comment
  CAS-BOT-BC280534  Cirsium quercetorum Alice Eastwood 1915-6-29 4891 Sonoma Bodega Point Comment
  CAS-BOT-BC280535  Cirsium quercetorum Roxana S. Ferris 1932-5-27 8255 Sonoma North end of Bodega Bay Comment
  UCD130628  Cirsium quercetorum Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-24 58 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS35584  Cirsium remotifolium var. odontolepis L. R. Heckard 1964-6-11 1371 Sonoma about 4 mi nw of Cloverdale (along Calif. 28; just beyond Alder Glenn Springs) 213 Comment
  JEPS79728  Cirsium remotifolium var. odontolepis Edward Lee with W. A. Setchell 1936-6-7 2205 Sonoma MacLaren Trail Bohemian Grove (roadside) Comment
  UC895054  Cirsium remotifolium var. odontolepis Marcus E. Jones, A. M. 1882-7-18 3385 Sonoma Duncan's Mills Comment
  SBBG7970  Cirsium scariosum var. citrinum H. and M. Dearing 1939-5-14 3370 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCD161248  Clarkia affinis James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3705 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC161045  Clarkia amoena subsp. amoena Alva Day 1982-6-1 82 -66 Sonoma Pepperwood Ranch Comment
  UC423074  Clarkia amoena subsp. amoena Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC161056  Clarkia amoena subsp. amoena Peter Rubtzoff 1962-7-14 s.n. Sonoma 4 mi. west of Petaluma Comment
  RSA453484  Clarkia amoena subsp. amoena E. A. Purer 1932-7-24 s.n. Sonoma Between Bodega Bay and Santa Rosa Comment
  RSA51337  Clarkia amoena subsp. amoena Joanne Taylor 1941-7-13 11 -a Sonoma Canyon about 10 miles from Bodega Head. Comment
  POM37827  Clarkia amoena subsp. huntiana Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan s Mills Comment
  RSA108390  Clarkia amoena subsp. huntiana Harlan Lewis, M. Lewis 1951-7-10 870 Sonoma 0.1 mile west of Mark West Spring Comment
  CAS-BOT-BC172208  Clarkia concinna C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  SBBG13077  Clarkia concinna A. I. Richardson 1961-6-16 20 Sonoma Sweetwater Rd, 1 mi beyond turnoff to Armstrong Redwoods St Park Comment
Read comments
Mar 19 2010
  UCSB4289  Clarkia concinna Haller, John 1960-5-28 Sonoma 2.5 miles northwest of US 101; 3.5 miles northwest of Cloverdale; on California 128 152 Comment
  UC1122374  Clarkia concinna subsp. concinna H. S. Yates 1934-4-21 3805 Sonoma near Bodega; Duncan Mills Quadrangle Comment
  UC73320  Clarkia concinna subsp. concinna Milo S. Baker 1898-5-7 598 Sonoma Glen Ellen Comment
  CAS-BOT-BC162512  Clarkia gracilis subsp. gracilis D. E. Breedlove 1980-6-27 44769 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC76446  Clarkia gracilis subsp. sonomensis Miss M. Alice King May 1897 Sonoma near Healdsburg Comment
  CAS-BOT-BC163132  Clarkia gracilis subsp. sonomensis Joseph P. Tracy 1945-7-4 17511 Sonoma Trinity River Valley, at Willow Creek 152 Comment
  CAS-BOT-BC163152  Clarkia imbricata Milo S. Baker 1945-7-18 11107 Sonoma Pitkin Ranch along path to marsh Comment
  CAS-BOT-BC32947  Clarkia imbricata Frank Harlan Lewis; Lewis, M. 1951-7-10 865 Sonoma Santa Rosa to Guerneville, 6230 Vine Hill Road 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
  UC728606  Clarkia imbricata Milo S. Baker 1945-7-18 11107 Sonoma along path to <Pitkin> marsh; Pitkin Ranch Comment
  UC486497  Clarkia purpurea subsp. quadrivulnera H. E. and S. T. Parks 1930-5-10 606 Sonoma Knights Valley Comment
  CAS-BOT-BC164588  Clarkia purpurea subsp. viminea Dorothy Scherer 1997-5-20 127 Sonoma North side of Fort Ross Rd. and 1/8 mi. west of Seaview Rd, Fort Ross State Historic Park 457 Comment
  CAS-BOT-BC164746  Clarkia rhomboidea Milo S. Baker 1926-4-10 220 a - Son. Ser. Sonoma Mt. St. Helena - 1 mi. S.E. of Inn Comment
  JEPS43596  Clarkia unguiculata E. Ferguson 1919-6-11 228 Sonoma near Guerneville Comment
  POM187327  Clarkia unguiculata Marcus E. Jones 1931-7-5 29038 Sonoma The Geysers. Comment
  RSA6471  Claytonia exigua subsp. exigua Jens Clausen 1933-3-26 745 Sonoma Harrison Grade, betwen Grtaon and Occidental. In orchard, gravelly soil. Comment
  CAS-BOT-BC439412  Claytonia gypsophiloides Ira L. Wiggins 1949-4-30 12062 Sonoma 6.8 miles east of Santa Rosa on road to Calistoga Comment
  SJSU9881  Claytonia gypsophiloides G. J. Woodside 1969-4-29 Sonoma Dutton Bill Creek 4 mi above Camp Meeker at St Dorothy's Rest Comment
  UC1299361  Claytonia gypsophiloides Freed W. Hoffman 1947-3-5 811 Sonoma near Guerneville (Gilliam Creek); North Coast Ranges, Gilliam Creek Comment
  CAS-BOT-BC439396  Claytonia gypsophiloides Catherine Best 1982-3-20 s.n. Sonoma On Graton Rd. 1 mi. East of Occidental Comment
  UC480640  Claytonia gypsophiloides Carl Meyer 1929-3-29 Sonoma Comment
  CAS-BOT-BC439635  Claytonia parviflora subsp. parviflora Peter Rubtzoff 1953-5-17 1390 Sonoma South of Guerneville (Neeley Hill area). Comment
  JEPS128266  Claytonia perfoliata subsp. mexicana Roger Raiche 2000-4-8 028 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA785705  Claytonia perfoliata subsp. perfoliata Carrie A. Herd 1982-4-25 82 Sonoma Crane Creek Regional Park Comment
  CAS-BOT-BC443869  Claytonia sibirica Dorothy Scherer 1996-3-25 015 Sonoma Kolmer Gulch, west of Hwy 1 ca 250', Fort Ross State Historic Park 1 Comment
  UCD100892  Claytonia sibirica Mary M. Hektner 1975-6-3 199 Sonoma coastal terrace, next to trail leading to the beach. Below Pipers' Reach, Unit 24 Owners' Map, near State Highway 1. Comment
  UCR105444  Claytonia sibirica Peter Rubtzoff 1967-8-22 5851 Sonoma Southeast of lower Salmon Creek Marsh 4 Comment
  RSA295  Clematis ligusticifolia E. R. Johnson 1928-8-22 1109 Sonoma Russian River, 1/2 mile E of Cloverdale Comment
  UC55256  Clintonia andrewsiana Milo S. Baker 1899-6-28 Sonoma roadside near Duncan's Mills 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
  UC1032563  Collinsia heterophylla A. Lewis 1932-5-12 71 Sonoma 1 mi e of Sonoma 152 Comment
  UC1032564  Collinsia heterophylla H. S. Yates 1934-4-22 3841 Sonoma 2 mi sw of Mark West 152 Comment
Read comments
Dec 13 2013
  SEINET12329967  Collinsia heterophylla F. H. Utech 1986-1 86 -120 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 250 Comment
  RSA94790  Collinsia sparsiflora A. A. Heller, H. E. Brown 1902-4-11 5268 Sonoma Bodega Bay Comment
  UC672477  Collinsia sparsiflora var. arvensis H. L. Mason 1928-4-8 4298 Sonoma fields near Sebastopol Comment
  UC796639  Collinsia sparsiflora var. arvensis Ira L. Wiggins 1949-4-30 12061 Sonoma roadside 6.8 mi e of Santa Rosa (on road to Calistoga) Comment
  RSA52690  Collinsia sparsiflora var. arvensis I. L. Wiggins 1949-4-30 12061 Sonoma Roadside 6.8 miles east of Santa Rosa on road to Calistoga Comment
  RSA780088  Collinsia sparsiflora var. arvensis Lyman Benson 1935-3-31 6406 Sonoma U. S. 101, Healdsburg, North Coast Mt. Range, Russian River Watershed 244 Comment
  JEPS117085  Collinsia sparsiflora var. collina Peter Warner 2010-4-15 132 Sonoma Jenner Headlands, Sonoma Land Trust property, along primary access road (Willig Ave. extension), approx. 0.8 km N of Jenner village, in ultramafic grassland about 400 m E of road, between power line overhead at cusp of Jenner Gulch. Comment
  UC766311  Collinsia sparsiflora var. sparsiflora R. F. Hoover 1939-4-18 4045 Sonoma 3 mi w Graton (on road to Occidental) Comment
  JEPS7308  Collinsia tinctoria Milo S. Baker 1904-6-19 Sonoma Sonoma Cr. Canyon 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
  UC72070  Collomia heterophylla Milo S. Baker 1898-4-3 16 Sonoma Guerneville to Cazadero Comment
  SEINET12332731  Collomia heterophylla W. Irja, Knight, T. 1985-1 5147 Sonoma Annapolis on Kelly Road Comment
  RSA0051273  Convolvulus Greg de Nevers 1993-5-9 10440 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Just above the Pippindale-Pepperwood gate. 100 Comment
  UC23137  Convolvulus arvensis Alice King May 1897 Sonoma Healdsburg Comment
  SEINET6174100 Image available Convolvulus soldanella Sally Walker 1982-5-24 Sonoma Duncans Landing Comment
  CAS-BOT-BC344847  Conyza Peter Rubtzoff 1990-10-27 10234 Sonoma Russian River ca. 6 miles east of Guerneville. Comment
  JEPS95194  Cordylanthus maritimus subsp. palustris Jake Ruygt and Josh Collins 1993-9-17 Sonoma w 'Horseshoe' Pond (Petaluma Marsh); Petaluma Marsh Comment
  SJSU5741  Cordylanthus pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge E of Santa Rosa 91 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
  CAS-BOT-BC376304  Cordylanthus pilosus subsp. pilosus Greg de Nevers 1990-7-24 9678 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At top of Telegraph Hill. 400 Comment
  JEPS23537  Cordylanthus pilosus subsp. pilosus Peter H. Raven, R. Snow 1958-7-23 13690 Sonoma Occidental Comment
  JEPS28863  Cordylanthus pilosus subsp. pilosus Roxana S. Ferris and Laura Lorraine 1960-9-30 13594 Sonoma Upper Harrison Grade Comment
  RSA0065199  Cordylanthus pilosus subsp. pilosus Greg de Nevers 1997-6-7 11074 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Oak Hill Ranch. 100 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
  RSA107417  Cordylanthus tenuis subsp. capillaris L. S. Rose 1955-7-11 s.n. Sonoma 2 miles NE of Occidental 244 Comment
  UC1239008  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1947-9-5 1251 Sonoma between Tyrone and Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UC761837  Cordylanthus tenuis subsp. capillaris R. F. Hoover 1942-7-13 5916 Sonoma 3 mi s Monte Rio Comment
  CAS-BOT-BC366870  Cornus glabrata Greg de Nevers 1998-4-27 11196 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  RSA94342  Cornus glabrata Peter Rubtzoff 1951-6-7 109 Sonoma Western branch of the Upper Marsh. Comment
  CAS-BOT-BC210439  Cornus sericea John Thomas Howell 1946-8-17 22874 Sonoma Cunningham Marsh Comment
  UC1042524  Cornus sericea subsp. sericea Peter Rubtzoff 1951-6-7 126 Sonoma Pitkin Marsh near Forestville (uppermost part of w. branch of Upper Marsh) Comment
  UCR244499  Coronopus didymus Peter Rubtzoff 1960-5-15 4333 Sonoma Fife Creek Marsh [near Guerneville] Comment
  POM188384  Corylus cornuta var. californica Marcus E. Jones 1931-7-5 28850 Sonoma West of Cloverdale. Comment
  SEINET12029962  Corylus cornuta var. californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 102 a Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  SEINET12030990  Corylus cornuta var. californica F. H. Utech 1988-1 88 -210 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  CAS-BOT-BC173676  Cotula coronopifolia Peter Rubtzoff 1962-10-9 5106 Sonoma Brooks Gulch Marsh. 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-BC427653  Crassula aquatica Peter Rubtzoff 1972-5-25 6757 Sonoma Laguna, Chileno Valley. Comment
  SD206989  Crassula aquatica Reid Moran, C. Quibell and W. Knight. 1991-5-21 31054 Sonoma Diversion channel south of Spring Lake, Santa Rosa. 99 Comment
  CAS-BOT-BC427918  Crassula connata Catherine Best 1987-3-28 1238 Sonoma Bodega Head Comment
  UCD13110  Crassula connata Eileen F. Chun 1974-5-11 78 Sonoma Sonoma CO. Northside of Bodega Head. Sea level. Comment
  CAS-BOT-BC143513  Crataegus gaylussacia Peter Rubtzoff 1973-10-10 7344 Sonoma (Tributary of Americano Creek) 2 mi. west of Bloomfield Comment
  NY435882  Crataegus gaylussacia A. A. Heller 1902-8-20 6052 Sonoma Lagoon at Scbastopol. Comment
  RSA784492  Crepis capillaris Peter Rubtzoff 1960-6-7 4450 Sonoma Austin Creek Marsh. Comment
  UC963925  Crocanthemum scoparium var. vulgare Milo S. Baker 1947-5-30 11770 Sonoma sw slope Hood Mt. Comment
  CAS-BOT-BC190103  Crypsis schoenoides John Thomas Howell 1957-9-16 32979 Sonoma Russian River bottom, near Guerneville. Comment
  SEINET11687825  Crypsis schoenoides W. Knight, Knight, I.; Knight, T. 1986-1 5519 Sonoma Old Adobe Road toward E Washington St, 0.5 mi from the old adobe Comment
  CAS-BOT-BC190180  Crypsis vaginiflora Peter Rubtzoff 1958-8-16 3869 Sonoma Laguna de Santa Rosa north of Sebastapol (near Occidental Road). Comment
  UC78074  Cryptantha leiocarpa Katharine Brandegee 1905-1 Sonoma Bodega Head Comment
  HSC99996  Cupressus pygmaea J. P. Smith, , J. O. Sawyer, & R. J. Cole 2009-10-10 12692 Sonoma Salt Point State Park Comment
  CAS-BOT-BC85461  Cupressus sargentii John Thomas Howell 1933-4-2 10960 Sonoma Serpentine ridge, 2 miles east of Occidental Comment
  POM215183  Cupressus sargentii D. D. Keck 1933-11-6 2651 Sonoma 4 miles north of Occidental Comment
  RSA107467  Cupressus sargentii L. S. Rose 1955-7-11 55113 Sonoma 2 miles NE of Occidental 244 Comment
  RSA178042  Cupressus sargentii Robert F. Thorne 1965-4-19 34281 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UC353811  Cupressus sargentii Milo S. Baker 1928-4-18 2966 a Sonoma 3 mi n Occidental (W. B. Coy Ranch) Comment
  NY16824  Cupressus sargentii C. B. Wolf 1934-10-13 6183 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD164540  Cuscuta campestris Peter Rubtzoff 1975-8-15 8321 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC182776  Cuscuta pentagona Peter Rubtzoff 1975-8-15 8321 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC190242  Cynodon dactylon Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC190343  Cynodon dactylon Peter Rubtzoff 1951-7-21 504 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower marshes. Comment
  UCD60093  Cynodon dactylon Mary M. Hektner; Cathy Hendel 1974-7-25 165 Sonoma Near State Highway 1, Sea Ranch. Comment
  UCD144421  Cynodon dactylon Frederica Bowcutt 1996-5-24 2165 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Approx. 1.2 air miles S of Red Mountain. Adobe Canyon just NW of Sonoma/Rattlesnake Creek confluence. Along Adobe Canyon Road in front of Bud Getty's house, near service area and coral. 365 Comment
  SEINET176301 Image available Cynodon dactylon var. dactylon M. E. Jones 1882-7-18 Sonoma Duncan's Mills Comment
  UCD60096  Cynodon dactylon var. hirsutissimus W. A. Harvey; Lloyd Harwood 1955-10-6 s. n. Sonoma F. P. Grace Ranch, 3.5 miles southwest of Healdsburg. Comment
  UCD60122  Cynosurus cristatus Freed W. Hoffman 1943-6-20 2061 Sonoma Sonoma Coast, Eckert Ranch near Salt Point. Comment
  UC1011015  Cynosurus echinatus Virginia Bufford 1936-5-1 154 Sonoma head of Bodega Canyon Comment
  UCD60157  Cynosurus echinatus G. F. Hrusa; R. Gross 1999-6-12 15075 Sonoma Foote Ranch, corner of Ida Clayton Rd and Hwy 128, Knights Valley. Comment
Read comments
Aug 15 2010
  UCR248721  Cynosurus echinatus Peter Rubtzoff 1968-6-20 5899 Sonoma 6.5 miles northeast of Penngrove on Lichau Road 427 Comment
  UCR248758  Cynosurus echinatus Peter Rubtzoff 1978-6-11 9209 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley 35 Comment
  RSA0022426  Cynosurus echinatus Peter Rubtzoff 1972-5-25 6765 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC350944  Cyperus Peter Rubtzoff 1970-9-2 6352 Sonoma Russian River bottom at Mirabel Park. Comment
  SD99411  Cyperus eragrostis Christopher Davidson 1977-6-17 5876 Sonoma State Highway 12; ca. 3 miles west of Guerneville; sand bar in Russian River; riparian zone along Russian River bordered by coast redwood forest. 14 Comment
  CAS-BOT-BC114436  Cyperus erythrorhizos Peter Rubtzoff 1961-8-25 4719 Sonoma Forest Hills, east of Guerneville. Open, wet margin of Russian River. Comment
  CAS-BOT-BC114339  Cyperus esculentus Peter Rubtzoff 1965-9-11 5650 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  CAS-BOT-BC113908  Cyperus niger var. capitatus Peter Rubtzoff 1953-11-1 1443 Sonoma Vacation Beach, Near Guerneville. Sandy beach of Russian River. Comment
  CAS-BOT-BC113900  Cyperus niger var. capitatus Helen D. Geis 1902-8-1 565 Sonoma Cloverdale. Comment
  RSA94263  Cyperus niger var. capitatus Peter Rubtzoff 1951-7-14 438 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  RSA516605  Cypripedium californicum Rimo C. Bacigalupi, G. Thomas Robbins, F. Hoffmann 1956-5-30 5668 Sonoma Headwaters of Big Austin Creek, vicinity of The Cedars, near Layton Chromite mine. 267 Comment
  UC4442  Cypripedium montanum Brewer 1866-4 4829 Sonoma Cloverdale Comment
  CAS-BOT-BC70723  Cystopteris fragilis D. E. Breedlove 1980-6-28 44814 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD60196  Dactylis glomerata Mary M. Hektner; Sue Dakuzaku 1974-6-4 21 Sonoma Near State Hwy 1, Unit 24 Owners' Map, Sea Ranch; surrounding Kirkwood house. Comment
  SEINET10515575  Dactylis glomerata A. Arthur Heller 1902-6-7 Heller 5657 Sonoma Bennett Valley, SE of Santa Rosa. Comment
  CAS-BOT-BC445562  Damasonium californicum John Thomas Howell 1937-6-6 13012 Sonoma Sebastopol Comment
  CAS-BOT-BC192267  Danthonia californica A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point Comment
  CAS-BOT-BC192271  Danthonia californica Alice Eastwood 1921-4-24 10358 Sonoma Santa Rosa Comment
  JEPS121156  Danthonia californica Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18595 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  UCD148397  Danthonia californica Peter Rubtzoff 1957-5-11 3345 Sonoma Occidental Marsh. Comment
  UCD60485  Danthonia californica Beecher Crampton 1957-7-22 4385 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCR279609  Danthonia californica Peter Rubtzoff 1959-5-30 4072 Sonoma Freestone Marsh 79 Comment
  UCR280139  Danthonia californica Peter Rubtzoff 1971-6-5 6508 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  SEINET3926852  Danthonia californica var. americana Beecher Crampton 1965-5-13 7339 Sonoma About 8.5 miles SE of Geyserville, south end of Alexander Valley, jct. of Calistoga (hwy. 128) and Chalk Hill roads.; 0 Comment
  SEINET7042399  Danthonia californica var. californica A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  JEPS15987  Daucus carota W. L. Jepson 1933-8-5 16552 Sonoma Sonoma Comment
  UC467770  Delphinium hesperium Milo S. Baker May 1899 Sonoma near Agua Caliente Comment
  UCR25999  Delphinium hesperium J. Townsend 1977-5-30 s.n. Sonoma E side of Russian River about 2 mi. south of Gurneyville. 18 Comment
  UC1299394  Delphinium hesperium subsp. hesperium Freed W. Hoffman 1950-4-27 3475 Sonoma near Hacienda (Roy Litton Ranch); North Coast Ranges 304 Comment
  CAS-BOT-BC10099  Delphinium luteum John Thomas Howell 1931-4-18 6414 Sonoma Larkspur Rock, near Bodega Bay Comment
  CAS-BOT-BC10097  Delphinium luteum L. W. Burbank s.n. Sonoma Cultivated in Santa Rosa Comment
  UCD160149  Delphinium nudicaule James A. Neilson Jr. 1974-4-30 2721 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) Comment
  UCR265118  Delphinium nudicaule Ann Howald 2015-4-1 3316 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 520 Comment
  SEINET12091840  Delphinium nudicaule F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -094 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 244 Comment
  RSA138296  Delphinium patens Volney Rattan 1903-1 1880 Sonoma Healdsburg Comment
  RSA70708  Delphinium variegatum L. S. Rose 1951-5-17 51012 Sonoma Hills E of Agua Caliente. 122 Comment
  UC9246  Delphinium variegatum subsp. variegatum F. T. Bioletti 1893-5 Sonoma Comment
  CAS-BOT-BC83025  Dendromecon rigida Kate Eastwood Phelps 1935-4-1 s.n. Sonoma Point Sal. Comment
  CAS-BOT-BC583  Dendromecon rigida subsp. rigida Catherine Best 1981-4-4 s.n. Sonoma Staetz Lane, 3 miles north of Occidental. Comment
  UCD35509  Deschampsia cespitosa Beecher Crampton 1957-7-22 4383 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  CDA18036  Deschampsia cespitosa R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena Spring. 0 Comment
  UCD63753  Deschampsia cespitosa subsp. holciformis P. B. Kennedy 1914-10-1 Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC192608  Deschampsia cespitosa subsp. holciformis Catherine Best 1982-8-18 s.n. Sonoma Goat Rock Park off of Hwy. 1 Comment
  CAS-BOT-BC201648  Deschampsia danthonioides John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54681 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC201651  Deschampsia danthonioides Peter Rubtzoff 1961-6-17 4632 Sonoma Bennett Mtn. Lake Comment
  UCD84280  Deschampsia danthonioides Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC201963  Deschampsia elongata Peter Rubtzoff 1960-6-7 4461 Sonoma Austin Creek Marsh Comment
  CAS-BOT-BC201970  Deschampsia elongata Peter Rubtzoff 1960-5-30 4429 Sonoma Vacation Beach, near Guerneville Comment
  RSA0056433  Deschampsia elongata Greg de Nevers 1996-6-17 10832 Sonoma CYO camp south of Occidental on Bohemian Hwy. 121 Comment
  CAS-BOT-BC209249  Dichanthelium acuminatum subsp. acuminatum R. Spellenberg 1964-6-15 402 Sonoma The Geysers, 17 mi. E. of Geyserville Comment
  CAS-BOT-BC242664  Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-18 7139 b 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
  SEINET4572213  Dichanthelium acuminatum subsp. thermale B. Crampton 1964-8-18 7139 c Sonoma North Coast Range; The Geysers, 12 mi (in direct line) east of Cloverdale, c. 0.5 mi east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise Thermal Power co. no. 10 494 Comment
  UCD151080  Dichelostemma James A. Neilson Jr. 1973-6-3 2990 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  UCD160756  Dichelostemma capitatum James A. Neilson Jr. 1975-5-23 3220 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC502206  Dichelostemma capitatum G. DeNevers 1981-4-25 859 Sonoma Mark West Creek and Leslie Creek confluence, roadside. Pepperwood Ranch Comment
  SEINET10965902  Dichelostemma capitatum A. Arthur Heller, H. E. Brown 1902-3-17 Heller 5087 Sonoma Hills 8 miles Northeast of Santa Rosa. Comment
  JEPS128284  Dichelostemma capitatum subsp. capitatum Roger Raiche 2005-4-22 010 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD148240  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2013-3-29 2901 Sonoma 0.6 mi E of Occidental, at jct Occidental Rd and Facendini Lane. 262 Comment
  HSC3074  Dichelostemma capitatum subsp. capitatum S. N. Wiemeyer 1962-4-20 19 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UC1300926  Dichelostemma congestum Helen K. Sharsmith 1963-5-25 5483 Sonoma on road from Freestone to Occidental; San Francisco Bay Region 121 Comment
  JEPS30801  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma five mi n Jenner Comment
  UC665619  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma 5 mi n Jenner Comment
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Apr 2 2015
  CAS-BOT-BC176146  Digitaria Peter Rubtzoff 1969-8-29 6170 Sonoma Salmon Creek, ca. 0.5 mi. upstrom from Hwy. #1 Comment
  CAS-BOT-BC208963  Digitaria ischaemum John Thomas Howell; Walter Knight; Irja Knight 1986-10-9 6127 Sonoma Llamo Road between Todd Road adn Gravenstein Hwy. Comment
  CAS-BOT-BC176369  Digitaria sanguinalis Peter Rubtzoff 1958-8-9 3846 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental 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
  SEINET10662591  Digitaria sanguinalis P. Rubtzoff 1956-9-14 Rubtzoff 2857 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCR30861  Dipsacus sativus John C. Roos 1948-8-29 3962 Sonoma North Coast Ranges, Healdsburg Comment
  RSA135323  Disporum hookeri var. hookeri Volney Rattan 1877-1 s.n. Sonoma Guerneville. Comment
  CAS-BOT-BC331484  Distichlis Peter Rubtzoff 1970-5-30 6234 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC331485  Distichlis Peter Rubtzoff 1970-7-17 6285 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC196922  Distichlis spicata Peter Rubtzoff 1962-10-9 s.n. Sonoma Lower Salmon Creek Marsh Comment
  UCD78109  Dittrichia graveolens Robert E. Preston 1999-11-9 1252 Sonoma Windsor, on NW corner of jct Old Redwood Hwy and Arata Lane. T8N R9W N edge of Sec 11 39 Comment
  CDA12821  Dodecatheon hendersonii G. F. Hrusa, R. Gross 1996-3-8 12655 Sonoma North Coast Biodiversity Arena; NW side of Foote Ranch on ridge between Foote Creek and Briggs Creek. Comment
  UC22415  Dodecatheon hendersonii J. Burtt Davy 1896-3-15 1672 Sonoma near Fort Ross; near Fort Ross Comment
  UC73554  Dodecatheon hendersonii Milo S. Baker 1898-4 734 Sonoma ne Santa Rosa; ne of Santa Rosa Comment
  HSC17870  Dodecatheon hendersonii F. Demostene 1966-4-2 13 Sonoma 2 mi. E of Healdsburg Comment
  UCD55093  Downingia concolor G. F. Hrusa; R. Gross 1996-6-30 13059 Sonoma At west end of Diamond Mtn. Rd.; 2 m. SW of Calistoga. 700 Comment
  CAS-BOT-BC154160  Downingia concolor var. concolor Peter Rubtzoff 1974-5-18 7439 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road. Comment
  JEPS108504  Downingia concolor var. concolor Lisa Schultheis 1995-5-31 191 -95 Sonoma North Windsor. Intersection of Starr Rd. and Redwood Hwy., NE end. Comment
  POM59149  Downingia concolor var. concolor A. A. Heller, H. E. Brown 1902-6-2 s.n. Sonoma Santa Rosa. Comment
  JEPS3102  Downingia cuspidata F. T. Bioletti 1893-6-10 Sonoma Los Guilucos Valley; ; Los Guilucos Valley, Sonoma Co. Comment
  JEPS29138  Downingia pusilla John H. Weiler 1961-4-30 6196 Sonoma 4.4 mi n Sears Point (along State Highway 37) Comment
  UCR279878  Downingia pusilla Peter Rubtzoff 1972-4-23 6728 Sonoma North Coast Range, 4.25 miles west of Glen Ellen on Bennett Valley Road 220 Comment
  CAS-BOT-BC401546  Drosera rotundifolia Peter Rubtzoff 1951-7-8 393 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC159443  Drymocallis glandulosa var. glandulosa G. DeNevers 1981-4-25 870 Sonoma Mark West Creek and Leslie Creek, Pepperwood Ranch Comment
  UC567171  Drymocallis glandulosa var. wrangelliana H. S. Yates 1934-4-21 3812 Sonoma near Bodega Port; Duncan Mills Quad. 7 Comment
  CAS-BOT-BC71021  Dryopteris arguta Walter Knight; Irja Knight 1963-12-27 460 Sonoma Pine Flat Road Comment
  HSC34932  Dryopteris arguta Thomas W. Nelson, James Nelson 1975-3-25 1758 Sonoma Beside Hwy. 128, E of Geyserville at the Sonoma-Napa Co. line Comment
  SEINET12216915  Dudleya cymosa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -207 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 800 Comment
  CAS-BOT-BC428376  Dudleya farinosa Marcus E. Jones 1882-7-17 3347 Sonoma Duncan's Mills Comment
  UCD98787  Dysphania chilensis Peter Rubtzoff 1953-11-1 1440 Sonoma Vacation Beach, near Guerneville. Comment
  UCD150856  Elatine brachysperma Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  CAS-BOT-BC261655  Eleocharis Peter Rubtzoff; Nancy Harrison 1974-5-26 7478 Sonoma Vernal pool on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  RSA94013  Eleocharis acicularis var. acicularis Peter Rubtzoff 1951-7-22 531 Sonoma Pitkin Marsh, near Forestville: Uppermost part of the western branch of the Upper Marsh Comment
  RSA800154  Eleocharis palustris Peter Rubtzoff 1976-5-30 8563 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC112206  Eleocharis radicans Peter Rubtzoff 1961-8-25 4722 Sonoma Forest Hills, east of Guerneville. Open, wet margin of Russian River. Comment
  CAS-BOT-BC94038  Eleocharis radicans Greg de Nevers 1990-5-15 9667 A Sonoma Pepperwood Natural Preserve 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC112197  Eleocharis radicans Peter Rubtzoff 1970-7-17 6288 Sonoma 5 mi north of Dears Point. Comment
  UCD18405  Elymus condensatus William A. Harrey 1982-7-7 s.n. Sonoma 0.5 mi west of state Hwy 1, along Bean Ave. bordering Salmon Creek. Comment
  SEINET266627  Elymus glaucus P. G. Connors 1990-7-19 96 Sonoma Bodega Head. Comment
  UC573713  Elymus glaucus H. S. Yates 1937-6-6 6580 Sonoma 8 mi sw Healdsburg; Healdsburg Quadrangle Comment
  UCD160900  Elymus glaucus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3583 Sonoma Section 10, 1 1/2 miles west of The Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  CAS-BOT-BC203710  Elymus glaucus subsp. glaucus David L. Morgan 1955-6-28 s.n. Sonoma Two Rock Comment
  CAS-BOT-BC203718  Elymus glaucus subsp. glaucus D. E. Breedlove 1980-6-28 44789 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC203724  Elymus glaucus subsp. glaucus Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 18 miles east of Stewart's Point Comment
  CAS-BOT-BC203725  Elymus glaucus subsp. glaucus L. R. Abrams 1922-6-21 8150 Sonoma 6 mi west of Ukiah on the Low Gap Road to Mendocino City Comment
  CAS-BOT-BC162054  Elymus lanceolatus subsp. lanceolatus R. D. Stone 1983-6-14 543 Sonoma Headwaters of Squaw Creek drainage near ridgeline, ca. 1.2 mile northwest of Geyser Rock. 1021 Comment
  CAS-BOT-BC235234  Elymus multisetus D. E. Breedlove 1980-6-28 44794 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC204307  Elymus trachycaulus subsp. trachycaulus G. DeNevers 1981-6-6 1454 Sonoma Pepperwood Ranch. At first Pepperwood entrance Comment
  HSC9744  Elymus triticoides C. S. Chavez 1965-6-9 85 Sonoma 1 mi. S of Guerneville on Hwy. 116, bank of Russian River. Comment
  CDA15872  Elytrigia repens P. Lane 2000-2-17 PDR 022483 Sonoma North Coast Biodiversity Arena; Invading into newly planted sod from irrigated pasture on Laguna Rd. nr. Forestville. 0 Comment
  UCD119201  Emmenanthe penduliflora Frederica Bowcutt 1996-5-19 2125 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 firebreak (narrow) btw lower Bald Mtn. and Bald Mtn. Trail. 487 Comment
  JEPS44009  Epilobium canum subsp. canum W. L. Jepson 1914-9-19 6193 Sonoma Agua Caliente 91 Comment
  UC582992  Epilobium ciliatum subsp. ciliatum P. A. Munz 1936-8-7 14307 Sonoma six mi n Bodega (edge of road) Comment
  CAS-BOT-BC262974  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-7-29 1607 Sonoma Guerneville Marsh. Comment
  UC125546  Epilobium ciliatum subsp. watsonii Katharine Brandegee 1905-1 Sonoma Bodega Head Comment
  UC582990  Epilobium ciliatum subsp. watsonii P. A. Munz 1936-8-8 14312 Sonoma rocky bank Ft. Ross Comment
  UCR248931  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5338 Sonoma Bodega Bay Marsh 15 Comment
  UC1301103  Epilobium minutum Helen K. Sharsmith 1963-5-25 5486 Sonoma near Occidental; San Francisco Bay Region, Occidental Grade 152 Comment
  JEPS82256  Epipactis gigantea Roger Raiche 1983-8-6 30579 Sonoma headwaters of Big Austin Creek (The Cedars); , Big Austin Creek 457 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
  RSA784480  Equisetum Peter Rubtzoff 1973-8-29 7285 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC57127  Equisetum X ferrissii Mary P. Wells 1984-7-20 389 Sonoma East bank South Fork Gualala River, opp. the Hot Spot, the Sea Ranch Comment
  CAS-BOT-BC57129  Equisetum X ferrissii Peter Rubtzoff 1951-6-10 191 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC57047  Equisetum arvense Peter Rubtzoff 1958-4-26 3601 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC57038  Equisetum arvense Peter Rubtzoff 1954-8-13 1705 Sonoma Bodega Head Marsh Comment
  UC1151492  Equisetum telmateia subsp. braunii H. E. Brown and A. A. Heller 1902-3-27 5161 Sonoma w base Mt. Hood Comment
  UCD135595  Equisetum telmateia subsp. braunii Frederica Bowcutt 1997-7-18 2180 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain, West Bear Ck. 365 Comment
  UCD135614  Equisetum telmateia subsp. braunii Linda A. Bell 1975-5-18 159 Sonoma State Highway 1, ca. 1/2 mile south of its junction with State Highway 116. 22 Comment
  CAS-BOT-BC311809  Eragrostis Peter Rubtzoff 1965-8-16 5603 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  UCD148411  Eragrostis cilianensis Peter Rubtzoff 1958-8-30 3930 Sonoma Vacation Beach, near Guerneville. Comment
  UCD63379  Eragrostis hypnoides Freed W. Hoffman 1942-9-30 2164 Sonoma Along Russian River. Comment
  CAS-BOT-BC182752  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1953-11-1 1442 Sonoma Vacation Beach, near Guerneville. Comment
  RSA785231  Erechtites glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 mi SE of Guerneville. Comment
  RSA169314  Eremocarpus setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 miles NE of Penngrove. 427 Comment
  JEPS19211  Ericameria arborescens Edw. L. Greene 1888-8-31 Sonoma Petrified Forest Comment
  JEPS19225  Ericameria arborescens Willis L. Jepson 1893-9-23 Sonoma Mt. St. Helena Napa River Basin, Mt. St. Helena 914 Comment
  CAS-BOT-BC366902  Erigeron Greg de Nevers 1997-8-17 11078 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  UC1299250  Erigeron Freed W. Hoffman 1946-8-14 590 Sonoma East Austin Creek North Coast Ranges, Rocky Mountain, East Austin Creek Comment
  CAS-BOT-BC293621  Erigeron biolettii Marcus E. Jones 1882-7-17 3620 Sonoma Duncan's [Duncans] Mills Comment
  CAS-BOT-BC295131  Erigeron greenei John Thomas Howell 1936-7-26 12669 Sonoma Between Occidental and Graton Comment
  CAS-BOT-BC295151  Erigeron inornatus Greg de Nevers 1987-7-10 8236 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS82248  Erigeron serpentinus Roger Raiche 1983-8-6 30587 Sonoma near seep above Austin Creek (below Laton Mine buildings); the Cedars Comment
  HSC100973  Erigeron serpentinus Peter Warner 2011-8-10 224 Sonoma Jenner Headlands Property, Upper Russian Gulch Pasture, N of power lines. 227 Comment
  CAS-BOT-BC224154  Eriodictyon californicum Walter Knight; Irja Knight 1963-10-27 439 Sonoma Spring Mt Road Comment
  CAS-BOT-BC224155  Eriodictyon californicum Irja Knight; Walter Knight 1964-11-15 784 Sonoma Hood's [Hood] Peak in meadow above Johnson Dam Comment
  SEINET12329974  Eriodictyon californicum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -191 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  UCD119246  Eriodictyon californicum Frederica Bowcutt 1994-6-25 1918 Sonoma 670 Comment
  RSA339415  Eriogonum cedrorum Roger Raiche 1984-6-23 40235 Sonoma The Cedars, north of Cazadero, headwaters of East Austin Creek, area called Red Slide. 549 Comment
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Oct 17 2013
  SEINET11933016  Eriogonum compositum Unknown 1983-1 30373 Sonoma S side of Sweetwater Springs Rd, 3.9 mi W on Sweetwater Springs Rd. from its origin at W side hwy 122 Comment
  RSA48870  Eriogonum latifolium Lucille Roos 1949-1 4654 Sonoma Shell Beach, Jenne [Jenner]. Comment
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Sep 24 2015
  CAS-BOT-BC259470  Eriogonum luteolum Lewis S. Rose 1955-7-11 55112 Sonoma 2 mi. e. of Occidental 243 Comment
  JEPS128231  Eriogonum luteolum Roger Raiche 1999-10-9 046 .99 Sonoma The Cedars. Barnes' Blue Spring Complex. Lower Russian River, Big Austin Creek watershed. Comment
  OBI11030  Eriogonum luteolum Robert F. Hoover 1965-6-29 9476 Sonoma North of summit on Harrison Grade, road near Occidental Comment
  CAS-BOT-BC259478  Eriogonum luteolum John Thomas Howell 1932-9-18 10786 Sonoma Field bordering Sonoma Creek where it enters the level of Sonoma Valley Comment
  UC6515  Eriogonum luteolum var. caninum Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UCD168058  Eriogonum nervulosum James Neilson 1978-6-17 3969 Sonoma Mayacmas Mountains, east of Shell Well Site E. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  UC31706 Image available Eriophyllum confertiflorum var. confertiflorum Ivar Tidestrom 1895-6-14 Sonoma Petaluma 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
  CAS-BOT-BC301288  Eriophyllum lanatum var. arachnoideum H. L. Mason 1934-4-28 8096 Sonoma Jensen Ranch, at head of Dohrman Creek, four miles west of Healdsburg Comment
  JEPS19377  Eriophyllum lanatum var. arachnoideum G. Thomas Robbins 1937-6-6 235 Sonoma along roadside near Bodega Bay Comment
  UC88938  Eriophyllum lanatum var. arachnoideum Katharine Brandegee 1905-1 Sonoma Bodega Point Comment
  POM180623  Eriophyllum staechadifolium J. T. Howell 1930-6-8 5292 Sonoma 8.5 miles north of Bodega Bay. Comment
  UC1365624  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1966-4-17 5682 Sonoma e. Graton (between Occidental and Guerneville rds., Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  UC765470  Eryngium aristulatum var. aristulatum R. F. Hoover 1938-6-14 3607 Sonoma 2 mi. s.e. Healdsburg Comment
  POM259750  Eryngium aristulatum var. aristulatum J. T. Howell 1933-4-1 10927 Sonoma 3 miles northeast of Petaluma Comment
  POM287755  Eryngium armatum Lyman Benson 1930-6-18 2166 Sonoma South of Santa Rosa. 61 Comment
  CAS-BOT-BC153627  Erythranthe inodora Peter Rubtzoff 1960-6-9 4487 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road Comment
  CAS-BOT-BC402864  Eschscholzia caespitosa Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy. 3 mi north of Occidental Comment
  CAS-BOT-BC402865  Eschscholzia caespitosa Catherine Best 1982-4-17 s.n. Sonoma Bohemian Hwy about 5 miles north of Occidental Comment
  SEINET7067273  Eschscholzia californica A. G. Vestal 1947-5-13 s.n. Sonoma About 0.6 miles east of Annaplis. Coordinate datum: NAD27. Comment
  UC112924  Eschscholzia californica Katharine Brandegee 1905-1 Sonoma Bodega Head Comment
  UCD95275  Eschscholzia californica Valerie Bullock 1993-5-8 245 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail at base of grassy hill. 365 Comment
  RSA22010  Eschscholzia californica subsp. californica Alice Eastwood, John T. Howell 1939-4-2 7373 Sonoma Coast north of Bodega Bay Comment
  CAS-BOT-BC202766  Euonymus occidentalis H. E. McMinn 1922-6-7 190 Sonoma Above Monte Rio Comment
  JEPS9606  Euonymus occidentalis var. occidentalis Miss Mabel White Sonoma Russian R., Camp Meeker Comment
  CAS-BOT-BC540835  Euphorbia Peter Rubtzoff 1969-9-21 6185 Sonoma Russian River bottom; Forest Hills, 5.5 mi E of Guerneville Comment
  CDA43444  Euphorbia exigua Peter Warner 2015-5-29 PDR# MVAP 06369508 Sonoma Sonoma Coast State Beach, Willow Creek portion. On the ridge between Willow and Freezeout Creeks. Comment
  JEPS117122  Euphorbia oblongata Peter Warner 2010-4-22 134 Sonoma State Hwy. 128 ~3.03 mi. (fr. N) at turnout on E side of road at metal gate, in adjacent disturbed grassland and across road, about 2 miles NW of Cloverdale. Comment
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Jul 7 2017
  JEPS85899  Eurybia radulina Jack and Betty Guggolz 1991-8-10 1231 Sonoma 1 mi nnw, creek bank above the reservoir on Grub Creek Camp Meeker; Grub Creek 97 Comment
  RSA0065155  Eurybia radulina Greg de Nevers 1997-8-17 11078 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. Oak Hill Ranch. 100 Comment
  CAS-BOT-BC354318  Euthamia occidentalis Peter Rubtzoff 1956-9-15 2915 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC239717  Fabaceae Walter Knight; Irja Knight 1990-5-1 6590 Sonoma Joost Road on east side of Calistoga Road between Gates and Alpine roads 182 Comment
  SDSU1110  Festuca californica D. F. Howe 1963-5-23 3528 Sonoma 3.8 miles north of Cloverdale on #128 335 Comment
  UC730045  Festuca californica Leo F. Koch 1940-4-18 784 Sonoma w of Occidental (at e entrance of Coleman Valley); Coleman Valley Comment
  CAS-BOT-BC283193  Festuca californica subsp. californica Mary P. Wells 1984-5-24 276 Sonoma Annadel State Park, Santa Rosa Comment
  CAS-BOT-BC278414  Festuca idahoensis A. A. Heller 1902-5-29 5628 Sonoma Near the summit of Mt. Hood Comment
  CAS-BOT-BC278415  Festuca idahoensis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53981 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UC38545  Festuca idahoensis Michener and Bioletti 1893-6-10 100 Sonoma Hood's Peak Comment
  UCD66116  Festuca occidentalis Beecher Crampton 1955-6-17 2926 Sonoma State Hwy. 12, 1.6 miles west of Forestville. Comment
  CAS-BOT-BC278887  Festuca occidentalis Milo S. Baker 1945-5-1 10893 Sonoma Santa Rosa Cr. Canyon, south slope Comment
  UCD66359  Festuca rubra R. Tofsrud 1941-4-1 94 Sonoma Near Santa Rosa. Comment
  CAS-BOT-BC53268  Frangula californica subsp. californica A. A. Heller 1902-7-8 5816 Sonoma Between Healdsburg and Geyserville 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
  UCD112792  Frangula californica subsp. tomentella Roger Raiche 1985-11-29 RR 50900 Sonoma northeast end of town of Healdsburg on Reservoir Hill. 121 Comment
  CAS-BOT-BC223851  Frankenia palmeri Walter Knight; Irja Knight 1963-9-3 282 Sonoma At Gilardis, on Lakeville Highway Comment
  CAS-BOT-BC218582  Fraxinus latifolia H. E. McMinn 1922-6-1 s.n. Sonoma Petrified Forest Comment
  RSA17443  Fritillaria affinis Elmer I. Applegate 1934-3-25 8861 Sonoma Pine Flat region, west slope of the Mayacama Range Comment
  UCD139713  Fritillaria affinis UC Davis Botany 102 Students 1993-4-17 48 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sugarloaf Ridge. Near group campground. Comment
  CAS-BOT-BC130453  Fritillaria purdyi Milo S. Baker 1927-4-23 2207 a Sonoma Mt. St. Helena Comment
  RSA304275  Fritillaria recurva James R. Shevock 1972-3-28 1485 Sonoma Highway 128, north of Cloverdale 91 Comment
  JEPS111397  Galium andrewsii subsp. andrewsii Jack and Betty Guggolz 1997-5-31 1521 Sonoma South Pine Flat 683 Comment
  CDA30960  Galium bolanderi D. G. Kelch, Troy McGregor 2010-8-22 10 .358 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  JEPS128260  Galium californicum Roger Raiche 2000-4-23 043 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS6686  Galium californicum subsp. californicum M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma near Guerneville; Russian River Comment
  HSC19826  Galium divaricatum Michener, Bioletti 1892-7-1 Sonoma Hood's Peak Comment
  CDA18033  Galium parisiense R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena Spring. 0 Comment
  RSA264732  Galium trifidum Peter Rubtzoff 1962-7-14 4987 Sonoma Laguna. Chileno Valley. Comment
  RSA264739  Galium triflorum Peter Rubtzoff 1954-8-2 1616 Sonoma Duncans Mills Marsh. Comment
  UC762698  Galium triflorum Robert F. Hoover 1941-5-14 5092 Sonoma near Joy District School (sw of Occidental) Comment
  UCR255027  Gamochaeta pensylvanica Greg de Nevers 1993-5-30 10463 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA94011  Gamochaeta ustulata Peter Rubtzoff 1951-6-30 293 Sonoma Pitkin Marsh, near Forestville; western branch of the Upper Marsh Comment
  RSA12702  Garrya elliptica Carl B. Wolf, E. R. Johnson 1934-10-13 6180 Sonoma Nine miles north of Fort Ross on Coast Road to Stewarts Point. 46 Comment
  RSA170011  Garrya elliptica Robert F. Thorne, P. C. Everett 1964-10-21 34218 Sonoma Ten miles north of Fort Ross along Highway 1 and 0.1 mile north of Kruse Rhododendron Reserve. 61 Comment
  CAS-BOT-BC311820  Gastridium Peter Rubtzoff; Nancy Harrison 1976-6-18 8649 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC278688  Gastridium phleoides Peter Rubtzoff 1963-6-18 s.n. Sonoma Bennett Mtn. Lake Comment
  UC1023580  Gastridium ventricosum Virginia Bufford 1936-5-21 361 Sonoma Geysers-Cloverdale Rd. Comment
  UCD105725  Genista monspessulana Mary M. Hektner 1976-4-3 237 Sonoma Roadcut of State Highway 1: Unit 35-A Owners' Map, Sea Ranch. 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
  POM312857  Gentiana sceptrum H. L. Mason 1946-7-4 12891 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  UC455452  Geranium core-core I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UC1541357  Geranium dissectum H. E. and S. T. Parks 1930-5-9 613 Sonoma head of Alexander Valley Alexander Valley Comment
  RSA0028535  Geranium dissectum I. L. Wiggins 1949-4-30 12068 Sonoma 4 miles west of Calistoga. Comment
  UCD103335  Geranium dissectum Adam Green 1994-5-1 1784 Sonoma Sugar Loaf Ridge State Park. About 50 air miles N of San Francisco; about 10 miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 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
  UCD117655  Gilia capitata Roxana S. Ferris; Laura Lorraine 1961-6-15 13569 Sonoma about 0.125 mile beyond County Dump. Comment
  UCD160142  Gilia capitata James A. Neilson Jr. 1973-6-7 3045 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 Comment
  CAS-BOT-BC361367  Gilia capitata subsp. capitata Greg de Nevers 1997-4-12 10929 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  JEPS46208  Gilia capitata subsp. capitata Eleanor Armstrong 1932-5-15 453 Sonoma near Camp Meeker; near Camp Meeker 106 Comment
  CAS-BOT-BC225281  Gilia capitata subsp. chamissonis Verne Grant; Alva Grant 1948-7-7 8598 Sonoma Sand dunes near Highway 1, eleven miles north of Bodega Comment
  POM179726  Gilia capitata subsp. tomentosa J. T. Howell 1930-6-8 5365 Sonoma 1 mile east of Bodega Bay Comment
  RSA83145  Gilia capitata subsp. tomentosa Verne Grant, Alva Grant 1948-7-7 8599 Sonoma 3.7 miles south of Fort Ross on Hwy 1 Comment
  CAS-BOT-BC303748  Glebionis segetum Rimo Bacigalupi 1928-6-18 1878 Sonoma Beach at mouth of Salmon Creek. 2 miles N of Bodega Bay Comment
  UC914251  Glebionis segetum Verne Grant and Alva Grant 1947-5-4 7952 Sonoma 1 mi e of Bodega Bay (on road to Bodega) Comment
  CAS-BOT-BC303751  Glebionis segetum Walter & Irja Knight 1963-8-13 210 Sonoma 1.5 miles S Salmon Creek Comment
  CAS-BOT-BC227640  Glyceria Peter Rubtzoff 1966-4-30 5687 Sonoma North side of Hwy. 116, 0.5 miles northwest of Stony Point Road crossing. Comment
  CAS-BOT-BC227651  Glyceria Peter Rubtzoff 1966-5-29 5739 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road crossing). Comment
  CAS-BOT-BC282811  Glyceria leptostachya Peter Rubtzoff 1954-6-6 1459 Sonoma Guarneville Marsh Comment
  UCD166179  Glyceria leptostachya Peter Rubtzoff 1969-7-5 6109 Sonoma Pond, 5.25 miles NE of Penngrove, near Lichan Road. Comment
  UCD66790  Glyceria occidentalis Robert F. Thorne 1965-4-19 34293 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 182 Comment
  UCD165005  Gnaphalium Peter Rubtzoff; Nancy Harrison 1974-9-7 7883 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  CAS-BOT-BC176155  Gnaphalium chilense Peter Rubtzoff 1955-9-9 2125 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC166761  Gnaphalium palustre Peter Rubtzoff 1976-10-16 s.n. Sonoma Russian River Beach at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC302693  Gnaphalium palustre Peter Rubtzoff 1976-5-30 8567 Sonoma Kenwood Marsh. Comment
  JEPS34012  Gnaphalium palustre Willis L. Jepson 1892-8-7 14749 Sonoma near Cloverdale (valley of the Russian River); Russian River Comment
  UCR279629  Gnaphalium palustre Peter Rubtzoff 1962-10-23 5126 Sonoma Atascadero Creek Marsh 29 Comment
  CAS-BOT-BC176134  Gnaphalium palustre Peter Rubtzoff 1951-9-3 740 Sonoma Vacation Beach, near Guerneville. 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
  RSA0004473  Godetia amoena var. sonomensis C. L. Hitchcock 1928-6-7 18 Sonoma 1/2 mile east of Glen Ellen. 30 Comment
  CAS-BOT-BC251226  Gratiola Peter Rubtzoff 1974-5-11 7387 Sonoma Todd Road, 1.4 miles from hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD166172  Gratiola Peter Rubtzoff 1969-6-14 6083 Sonoma Vernal pool, 6.5 miles northeast of Penngrove on Lichau Road. 426 Comment
  UCR242983  Gratiola ebracteata Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  CAS-BOT-BC251304  Gratiola ebracteata Peter Rubtzoff 1963-6-18 5176 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC305183  Grindelia hirsutula F. T. Bioletti 1891-1-1 s.n. Sonoma Glen Ellen Comment
  UC583035  Grindelia hirsutula P. A. Munz 1936-8-7 14306 Sonoma 2 mi n of Bodega (sea bluffs) Comment
Read comments
Feb 6 2013
  SEINET3142907  Grindelia hirsutula M. P. Dunford 1959-10-3 559 Sonoma 1.8 mi. NE of Mark West Springs on Mark West Road Comment
  UCR50519  Grindelia nana L. F. LaPre, K. Campbell 1987-6-28 s.n. Sonoma North Coast Ranges, Cadd Fire Trail, off Unocal Ridge Road, 2 mi. west of Socrates Mine, near Lake county line 976 Comment
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Aug 29 2007
  HSC94161  Hainardia cylindrica Gordon Leppig 2000-5-6 1345 Sonoma Austin Creek Trail. 177 Comment
  SEINET11842303  Haplopappus arborescens W. Knight, Knight, I. 1984-1 5052 Sonoma 2.0 up Cavedale Rd from Hwy 12 [sic] Comment
  CAS-BOT-BC302253  Harmonia nutans J. Clausen 1935-5-24 1077 Sonoma Adobe Canyon at Sonoma Creek, along base of first ravine above Kenwood Sprs. Comment
  CAS-BOT-BC306766  Helenium bigelovii Peter Rubtzoff 1951-6-9 155 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  UC353800  Helenium bigelovii Milo S. Baker 1928-4-28 3001 b Sonoma Pitkin Swamp Comment
  UCSB16905  Helenium puberulum Breedlove, Dennis 1961-12-31 Sonoma At S side of mouth of Russian River 6 Comment
  CDA36608  Helianthemum scoparium T. C. Fuller 1958-5-24 3999 Sonoma Vinehill District. 0 Comment
  CAS-BOT-BC305582  Helianthus bolanderi R. Bacigalupi 1948-3-6 2583 Sonoma The Geysers, just above the resort Comment
  CAS-BOT-BC305966  Helminthotheca echioides Alice Eastwood 1921-7-20 10619 Sonoma On road between Cotati and Santa Rosa Comment
  CAS-BOT-BC262975  Hemizonia Peter Rubtzoff 1954-8-3 1646 Sonoma Bodega Head Marsh. Comment
  RSA800069  Hemizonia Peter Rubtzoff 1973-9-9 7306 Sonoma Kenwood Marsh. Comment
  UC75963  Hemizonia citrina Miss M. Alice King 1987-6-1 Sonoma Comment
  SDSU4563  Hemizonia congesta D. F. Howe 1965-8-8 4101 Sonoma 8 miles east of Bodega Bay on #1. Comment
  CAS-BOT-BC306162  Hemizonia congesta subsp. clevelandii Lewis S. Rose 1933-9-3 33352 Sonoma 4 mi. W. Petrified Forest Comment
  CAS-BOT-BC306217  Hemizonia congesta subsp. congesta H. M. Hall 1931-5-26 13082 Sonoma El Verano Comment
  UC197506  Hemizonia congesta subsp. congesta H. M. Hall 1916-7-23 10240 Sonoma 4 mi nw Petaluma; San Francisco Bay Region Comment
  UC952862  Hemizonia congesta subsp. congesta Milo S. Baker 1945-8-14 11153 Sonoma 2 mi n Sebastopol (drier ground of marsh); Perry Marsh Comment
  UCR80298  Hemizonia congesta subsp. congesta L. S. Rose 1935-9-11 35622 Sonoma North Coast Ranges, 2 mi north of Healdsburg 40 Comment
  SBBG8412  Hemizonia congesta subsp. lutescens H. and M. Dearing 1939-5-14 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  SD88511  Hemizonia congesta subsp. lutescens Darley F. Howe 1972-6-28 4844 Sonoma 4.5 miles north of Jenner. Comment
Read comments
May 24 2013
  UC1299266  Hemizonia congesta subsp. lutescens Freed W. Hoffman 1947-9-5 1384 Sonoma Dutch Bill Creek Comment
  UC197510  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-23 10243 Sonoma Field 7.5 mi nw of Petaluma Comment
  UC201240  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-23 Sonoma 8 mi w Petaluma Comment
  CAS-BOT-BC309676  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-10 717 -C Sonoma About a mile west of Santa Rosa on road to Fulton 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-BC309696  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-10 717 -E Sonoma About a mi. W. of Santa Rosa on road to Fulton Comment
  CAS-BOT-BC309707  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 715 Sonoma 2 miles south of Santa Rosa on road to Petaluma Comment
  CAS-BOT-BC309722  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-10-1 6052 Sonoma Laguna on College Ave Hiwy Comment
  CAS-BOT-BC309733  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-1 5718 Sonoma Halfway up Meeker Grade Comment
  CAS-BOT-BC309946  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 miles ne. of Penngrove 426 Comment
  CAS-BOT-BC309954  Hemizonia congesta subsp. luzulifolia L. R. Abrams 1907-8-1 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC309955  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-10-26 4539 Sonoma 7 1/2 miles from Santa Rosa on road to Petrified Forest Comment
  HSC5815  Hemizonia congesta subsp. luzulifolia L. S. Rose 1964-8-26 64064 Sonoma 6.5 mi. NE of Penngrove 427 Comment
  SD124916  Hemizonia congesta subsp. luzulifolia L. F. LaPre 1986-7-29 Sonoma Socrates Mine, ca. 9 miles eastnortheast of Geyserville. 915 Comment
  UC480911  Hemizonia congesta subsp. luzulifolia Katharine Brandegee 1910-8-14 Sonoma Cobb. Mt. Cobb Mt. Comment
  UC990605  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-8-7 699 Sonoma 7 mi from Santa Rosa (on road to Calistoga) Comment
  RSA0015419  Hemizonia congesta subsp. luzulifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  RSA169313  Hemizonia lutescens L. S. Rose 1964-8-26 64067 Sonoma 5 miles NE of Penngrove. 244 Comment
  CDA38362  Heracleum lanatum T. C. Fuller 1957-9-16 414 -57 Sonoma Jenner. 0 Comment
  UC581115  Hesperevax sparsiflora var. sparsiflora H. L. Mason 1934-4-28 8091 Sonoma Jensen's Ranch; Dohrmann Creek Comment
  UCR49205  Hesperolinon L. F. LaPre 1987-7-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  OBI12534  Hesperolinon micranthum Herbert L. Mason 1946-7-4 12895 Sonoma Inner North coast Ranges. 2 mi E of Occidental on Harrison Grade Comment
  UC903740  Hesperolinon micranthum Milo S. Baker 1947-5-5 11728 Sonoma s slope of mountain above Baker Ranch; Inner North Coast Ranges, Hood Mt. 213 Comment
  RSA151834  Hesperolinon micranthum H. K. Sharsmith 1947-5-30 3965 Sonoma Southern slope of Hood Mountain, volcanic rock, altitude 800 feet, near Grant line. 244 Comment
  UC17273 Image available Hesperolinon spergulinum H. N. Bolander 1867-1 6568 Sonoma Cloverdale; ; Cloverdale, Sonoma Co. Comment
  RSA126155  Hesperolinon spergulinum Milo S. Baker 1946-7-4 11525 Sonoma Harrison Grade, 1 mi N.E. of Occidental in serpentine area. Comment
  CAS-BOT-BC371405  Heterocodon rariflorum Greg de Nevers 1993-4-29 10418 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Devils' Kitchin. 457 Comment
  CAS-BOT-BC149829  Heteromeles arbutifolia Walter Knight; Irja Knight 1963-9-15 242 Sonoma Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC149831  Heteromeles arbutifolia Ynez Whilton Winblad 1941-6-20 s.n. Sonoma Between Ukiah and Santa Rosa, Highway 101 Comment
  UCD166419  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC311161  Heterotheca sessiliflora subsp. bolanderi John Thomas Howell 1930-7-13 5342 Sonoma Black Point Road Comment
  CAS-BOT-BC424433  Heuchera pilosissima Alice Eastwood 1917-5-13 s.n. Sonoma At the bay, Bodega Point Comment
  CAS-BOT-BC319704  Hieracium albiflorum D. E. Breedlove 1980-6-28 44817 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC319705  Hieracium albiflorum Mary P. Wells 1984-5-24 271 Sonoma Annadel State Park, Santa Rosa Comment
  JEPS78858  Hieracium albiflorum Edward Lee 1936-6-8 2219 Sonoma Bohemian Grove; grounds near entrance Comment
  UCD160127  Hieracium albiflorum James A. Neilson Jr. 1973-6-6 3559 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-BC319710  Hieracium albiflorum Marian L. Campbell 1920-8-1 s.n. Sonoma Monte Rio Comment
  RSA143957  Hierochloe occidentalis Roxana S. Ferris, Laura Lorraine 1961-6-14 13538 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  UC866224  Hoita macrostachya Lewis S. Rose 1933-9-3 33358 Sonoma 2 mi w Petrified Forest Comment
  UCD158716  Hoita macrostachya Teresa A. Sholars 1976-9-9 s.n. Sonoma Mayacmas Mtns. Ca. 2.5 mi east of the junction of Socrates Mine Rd. and Pine Flat Rd., at the headwaters of Big Sulphur Creek. Elevation estimated by label maker. 975 Comment
  POM252710  Hoita orbicularis A. A. Heller 1902-6-24 7548 Sonoma Near Burkes Sanitarium Comment
  CAS-BOT-BC280788  Holcus lanatus G. DeNevers 1981-6-6 1485 Sonoma Pepperwood Ranch. At a marsh on E side of Road Comment
  OBI35876  Holcus lanatus David J. Keil 1983-6-29 17202 Sonoma Ca. 10 mi SE of Ft Ross along hwy 1 Comment
  RSA144370  Holcus lanatus Roxana S. Ferris, Laura Lorraine 1961-6-14 13543 Sonoma Willow Creek road between Occidental and Jenner, 5.7 miles from Jenner Comment
  UC38610  Holcus lanatus J. Burtt Davy 1896-7-24 Sonoma below Duncan's Mills; below Duncan's Mills Comment
  UCD148461  Holocarpha Peter Rubtzoff 1963-8-24 5245 Sonoma 2.5 miles north of Sebastopol. Comment
  CAS-BOT-BC320404  Holocarpha virgata James I. McMurphy 1906-7-17 s.n. Sonoma Fulton Comment
  CAS-BOT-BC315807  Holozonia filipes Greg de Nevers 1996-5-30 10834 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 487 Comment
  RSA783726  Holozonia filipes Peter Rubtzoff 1971-7-9 6601 Sonoma 4.25 mi W of Glen Ellen on Bennett Valley Road. Comment
  UC1002647  Holozonia filipes Milo S. Baker 1954-8-12 13034 Sonoma Coney Ranch, Kenwood Coney Lake 365 Comment
  CAS-BOT-BC289286  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1955-5-7 1819 Sonoma Ross Marsh Comment
  CAS-BOT-BC285008  Hordeum depressum L. R. Abrams 1918-4-27 6923 Sonoma Independence School near Healdsburg Comment
  UCD85911  Hordeum marinum subsp. gussoneanum H. S. Yates 1937-5-30 6548 Sonoma 4 miles NW of Graton. 91 Comment
  UC1596333  Hordeum murinum subsp. leporinum Richard R. Halse 1987-2-22 3375 Sonoma along State Highway 121 .4 mi e of its junction with State Highway 116 at Big Bend in the Sonoma Valley 6 Comment
  CAS-BOT-BC280866  Hordeum murinum subsp. leporinum Richard R. Halse 1987-2-22 3375 Sonoma Along State Hwy. 121, .4 miles east of its junction with State Hwy. 116 at Big Bend in the Sonoma Valley 6 Comment
  UC473469  Horkelia californica John Thomas Howell 1930-6-8 5279 Sonoma 8 mi n Bodega Bay 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
  UC424851  Horkelia tenuiloba Milo S. Baker 1929-5-7 3457 ba Sonoma near Sebastopol Comment
  UC766414  Horkelia tenuiloba Robert F. Hoover 1941-6-7 5301 Sonoma Molino-Occidental Rd Comment
  UCD53888  Hypericum calycinum Dorothy Kleinschmidt 2005-9-4 s.n. Sonoma Santa Rosa. Comment
  UCR253373  Hypericum perforatum Peter Rubtzoff 1971-6-26 6576 Sonoma Pitkin Marsh, near Forestville 38 Comment
  CAS-BOT-BC401324  Hypericum scouleri Peter Rubtzoff 1951-6-30 292 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC401325  Hypericum scouleri Volney Rattan 1877-6-26 s.n. Sonoma Geysers 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
  CAS-BOT-BC316684  Hypochaeris glabra G. DeNevers 1981-4-20 766 Sonoma Pippendale farm beween Studio and the ridge top, Pepperwood Ranch Comment
  CAS-BOT-BC316685  Hypochaeris glabra Greg de Nevers 1981-4-23 798 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC316717  Hypochaeris radicata John H. Thomas 1976-6-16 18270 Sonoma Southern part of Sea Ranch, northwestern part of county about 7 miles south of Gualala 30 Comment
  UC1084479  Iris douglasiana G. Thomas Robbins 1938-4-15 252 Sonoma about 2.5 mi e Bodega Comment
  HSC34854  Iris fernaldii Thomas W. Nelson, James Nelson 1975-5-5 1806 Sonoma Beside Hwy. 29 at the petrified forest Comment
  CAS-BOT-BC376226  Isoetes Greg de Nevers 1993-2-14 10312 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Bald Hills 304 Comment
  CAS-BOT-BC61918  Isoetes nuttallii John Thomas Howell 1947-6-26 23301 Sonoma Cunningham Marsh Comment
  UC604130  Isoetes nuttallii Leo Koch 1938-4-1 61 Sonoma near Kenwood (small gulch off Adobe Canyon) Comment
  UCD150848  Isolepis carinata Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  CAS-BOT-BC112569  Isolepis cernua Peter Rubtzoff 1962-8-22 5059 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC112573  Isolepis cernua Peter Rubtzoff 1954-8-9 1660 Sonoma Bodega Head Marsh. Comment
  UCD82016  Isolepis levynsiana Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. Vernal Pool Plot SRP04. 37 Comment
  SBBG61589  Juglans hindsii R. Hartwell 1938-8-2 Sonoma Russian River, Healdsburg Comment
  CAS-BOT-BC177803  Juncus Walter Knight; Irja Knight 1968-1-1 2266 Sonoma Geyser Resort Comment
  CAS-BOT-BC322124  Juncus arcticus Peter Rubtzoff 1962-5-11 4816 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC322125  Juncus arcticus Peter Rubtzoff 1963-6-6 5170 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  RSA0035351  Juncus balticus Peter Rubtzoff 1957-5-11 3333 Sonoma Occidental Marsh. Comment
  CDA18031  Juncus bolanderi R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena Spring. NW side. 0 Comment
  JEPS30835  Juncus breweri Rimo Bacigalupi, and L. R. Heckard 1962-6-19 8591 Sonoma just n Horseshoe Cove ((indicated on Bodega Head U.S.G.S. Sheet as depressed contour)); Bodega Head Comment
Read comments
Dec 13 2006
  UC1026489  Juncus bufonius Peter Rubtzoff 1951-6-7 125 Sonoma near Forestville (uppermost part of the w branch of the Upper Marsh); Pitkin Marsh Comment
  SEINET6877095  Juncus bufonius W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 5 miles north of Fort Ross. Comment
  UCD55072  Juncus capitatus Ellen Dean; Tammie Beyerl 2006-4-28 3016 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  RSA22444  Juncus covillei J. T. Howell 1937-7-4 13078 Sonoma Near Petrified Forest. Comment
  CDA31034  Juncus effusus D. G. Kelch, Troy McGregor 2010-8-22 10 .338 Sonoma Geyser Peak Rd. Comment
  UCR279884  Juncus effusus Peter Rubtzoff 1964-7-29 5454 Sonoma Central Coast, Duncan Mills Marsh 2 Comment
  CAS-BOT-BC227620  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5907 Sonoma Lichan Marsh Comment
  CAS-BOT-BC173632  Juncus hemiendytus var. hemiendytus Peter Rubtzoff 1972-4-23 6733 Sonoma Vernal pool, 4.25 mi. W of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC245808  Juncus hemiendytus var. hemiendytus Alice Eastwood; John Thomas Howell 1940-5-5 7865 Sonoma Summit of Bennett Valley Road Comment
  CAS-BOT-BC157998  Juncus hesperius Peter Rubtzoff 1959-6-20 4178 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC164051  Juncus hesperius Peter Rubtzoff 1970-9-3 6375 Sonoma Sonoma: Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing Comment
  UCR280132  Juncus hesperius Peter Rubtzoff 1970-9-3 6375 Sonoma Marsh off west side of Highway 1, 0.7 miles SE of Salmon Creek crossing 30 Comment
  CAS-BOT-BC322118  Juncus lescurii Peter Rubtzoff 1961-8-6 4676 Sonoma Americans Creek, 0.5 mi. east of Valley Ford. Comment
  RSA0031401  Juncus lescurii Peter Rubtzoff 1962-10-9 5117 Sonoma Lower Salmon Creek Marsh. Comment
  UCR248765  Juncus lescurii Peter Rubtzoff 1962-10-9 5117 Sonoma Lower Salmon Creek Marsh 6 Comment
  UCD19308  Juncus lescurii Terry Reedy 1974-5-11 207 Sonoma Bodega Head, in freshwater marsh. 6 Comment
  UCD161773  Juncus nevadensis James A Neilson Jr. 1976-5-10 3688 a Sonoma Mayacmas Mountains. Aidlin-Govea Leasehold. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC143749  Juncus occidentalis A. A. Heller 1902-6-2 5634 Sonoma Santa Rosa Comment
  UC1026490  Juncus patens Peter Rubtzoff 1951-7-21 518 Sonoma s of Upper Marsh (near Forestville); Pitkin Marsh Comment
  UCD141757  Juncus patens Frederica Bowcutt 1996-5-19 2153 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 1 air mile south of Red Mountain. Near trailhead for Lower Bald Mountain. Above Group campground. 472 Comment
  JEPS73357  Juncus phaeocephalus Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 742 Sonoma 1 mi w Two Rock Junction Comment
  UCD164186  Juncus phaeocephalus Peter Rubtzoff; Nancy Harrison 1978-6-11 9204 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. 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-BC173519  Juncus xiphioides Peter Rubtzoff; Nancy Harrison 1974-9-7 7871 Sonoma Hinebaugh Creek in Rohnert Park. Creek bed, west of Commerce Blvd. crossing Comment
  UC1238931  Keckiella corymbosa Freed W. Hoffman 1946-8-14 588 Sonoma East Austin Creek; North Coast Ranges, Rocky Mountain Comment
  UCR248905  Kickxia elatine Peter Rubtzoff 1970-7-11 6281 Sonoma Laguna de Santa Rosa northwest of Trenton, at Healdsburg Road crossing 61 Comment
  UCR248746  Kickxia spuria Peter Rubtzoff 1973-8-20 7228 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente 38 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
  UC1153919  Koeleria phleoides Beecher Crampton 1957-5-16 4038 Sonoma Hot Springs Road 3 mi sw Cloverdale Comment
  CAS-BOT-BC273791  Koeleria pyramidata Peter Rubtzoff 1952-6-11 1250 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC341711  Lagophylla ramosissima James I. McMurphy 1909-7-10 503 Sonoma Hills near Cloverdale Comment
  CDA2215  Lagurus ovatus T. C. Fuller 1971-6-3 19897 Sonoma Sea Ranch. 0 Comment
  JEPS97572  Lagurus ovatus R. D. Stone 1980-11-28 324 Sonoma Northern part of the Sea Ranch development N of Stewart's Point. Comment
  UCD151151  Lamarckia aurea James A. Neilson Jr. 1973-6-7 2963 Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 441 Comment
  CAS-BOT-BC173572  Lamiaceae Peter Rubtzoff 1958-9-1 3964 Sonoma Guerneville region, Vacation Beach, near Guerneville. Russian River. 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
  JEPS86322  Lasthenia burkei Jack and Betty Guggolz 1988-4-14 913 Sonoma about 200 m n and 200 m e Northern Pacific RR crossing (crossing of Starr Road) Comment
  JEPS86749  Lasthenia burkei Jack and Betty Guggolz 1990-5-5 1048 Sonoma n side Piner Road (w of Olivet Road) Comment
  UCD133643  Lasthenia burkei Peter Rubtzoff 1974-5-26 7492 Sonoma Todd road 1.5 mile from Highway 116 and 0.5 mile from (west of) Llano Road. Comment
  UC30450  Lasthenia californica H. N. Bolander 1864-1 3846 Sonoma Mark West Comment
  CAS-BOT-BC324405  Lasthenia californica subsp. macrantha J. Clausen 1935-5-24 1092 Sonoma 6.2 miles south of Jenner Comment
  SEINET11447679 Image available Lasthenia californica subsp. macrantha K. Brandegee 1905-6-27 s.n. Sonoma Near Bodega Bay Comment
  CAS-BOT-BC355523  Lasthenia glaberrima Peter Rubtzoff 1963-6-6 5166 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC355532  Lasthenia glaberrima Peter Rubtzoff 1969-5-24 6054 Sonoma 6.5 mi. NE of Penngrove, on Lichan Road 426 Comment
  CAS-BOT-BC355537  Lasthenia glaberrima Lois E. James; L. Beane 1949-5-16 1947 Sonoma About 3 mi. S. of Healdsburg. Comment
  UC499848  Lasthenia minor Roxana S. Ferris 1932-5-27 8256 Sonoma n end of Bodega Bay Comment
  CAS-BOT-BC164394  Lathyrus Peter Rubtzoff 1974-4-17 7363 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC164661  Lathyrus Peter Rubtzoff 1974-9-7 7886 Sonoma Hinebaugh Creek, Rohnert Park. Comment
  RSA783474  Lathyrus Peter Rubtzoff 1971-5-30 6467 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive Comment
  UCD164991  Lathyrus Peter Rubtzoff 1974-9-7 7862 Sonoma Hinebaugh Creek, Rohnert Park; west of Commerce Blvd. crossing. Comment
  UCD165121  Lathyrus Peter Rubtzoff 1974-4-17 7363 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC164395  Lathyrus Peter Rubtzoff 1971-9-1 6672 Sonoma Spring Creek Reservoir area east of Santa Rosa. Comment
  RSA783473  Lathyrus Peter Rubtzoff 1971-6-23 6551 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive Comment
  CAS-BOT-BC204994  Lathyrus jepsonii var. californicus Alice Eastwood; John Thomas Howell 1938-5-15 5506 Sonoma Near Mark West Springs Comment
  UCD106341  Lathyrus polyphyllus P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  UCD55070  Lathyrus sphaericus Ellen Dean; Tammie Beyerl 2006-4-28 3014 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  SBBG3372  Lathyrus vestitus H. and M. Dearing 1939-4-28 3219 Sonoma near Fairfax Comment
  SEINET12165326  Lathyrus vestitus W. Knight, Knight, I.; DrEdwards, S. 1986-1 5333 Sonoma trail to the summit of Geyser Peak, access from Healdsburg-Geysers Road 863 Comment
  UC192961  Lathyrus vestitus var. vestitus J. W. Congdon 1892-5-30 Sonoma Cazadero Comment
  CAS-BOT-BC323230  Layia chrysanthemoides David D. Keck 1931-4-1 992 Sonoma 2 miles N of Sears Point (9 miles S of Sonoma), southern Sonoma County. 10 Comment
  CAS-BOT-BC323258  Layia chrysanthemoides Alice Eastwood 1921-5-8 10440 Sonoma Petaluma Comment
  CAS-BOT-BC379620  Layia platyglossa A. A. Heller 1903-4-23 6608 Sonoma Fort Ross Comment
  UC1073293  Layia platyglossa George B. Rossbach 1955-3-19 547 Sonoma w rim Bodega Head; w rim of Bodega Head 45 Comment
  UC353802  Ledum glandulosum Milo S. Baker 1928-4-28 3009 b Sonoma Pitkin Swamp Comment
  UC770650  Ledum glandulosum R. H. Neuns 1948-8-30 26 Sonoma 2 1/2 mi se of Gualala 182 Comment
  CAS-BOT-BC312696  Leersia Peter Rubtzoff 1987-9-27 9851 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  RSA227250  Leersia oryzoides Peter Rubtzoff 1958-7-19 3762 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC274358  Leersia oryzoides John Thomas Howell 1946-8-17 22880 Sonoma The Laguna just east of Sebastopol Comment
  CAS-BOT-BC266609  Legenere limosa Peter Rubtzoff 1969-5-24 6051 Sonoma 6.5 miles NE of Penngrove, on Lichau Road 426 Comment
  CAS-BOT-BC210099  Lemna Peter Rubtzoff 1965-10-10 5656 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC210104  Lemna Peter Rubtzoff; Betty Lovell 1975-8-11 8312 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC210105  Lemna Peter Rubtzoff 1965-11-9 5668 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  UCR244607  Lemna gibba Peter Rubtzoff 1969-7-5 6106 Sonoma Pond 5.25 mi northeast of Penngrove near Lichau Road 427 Comment
  RSA0028898  Lemna gibba Peter Rubtzoff 1961-8-6 4674 Sonoma Americano Creek, 0.5 mi east of Valley Ford. Comment
  CAS-BOT-BC344881  Lemna minor Peter Rubtzoff 1962-8-24 5067 Sonoma Guerneville Marsh. Comment
  RSA0028897  Lemna minor Peter Rubtzoff 1954-8-2 1625 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC527277  Lemna minuta Peter Rubtzoff 1951-8-4 574 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  UCR256273  Lemna valdiviana Peter Rubtzoff 1954-7-29 1612 Sonoma Guerneville Marsh Comment
  UCR256274  Lemna valdiviana Peter Rubtzoff 1954-7-29 1603 Sonoma Guerneville Marsh Comment
  RSA0065912  Lemna valdiviana Peter Rubtzoff 1958-6-1 3686 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road. Comment
  CAS-BOT-BC339168  Leontodon saxatilis subsp. saxatilis R. E. Frenkel 1964-6-23 612 Sonoma On California Hwy. 1, 2.3 miles south of Stewarts Point 18 Comment
  POM258953  Lepidium didymum C. L. Hitchcock, J. S. Martin 1939-7-15 5445 Sonoma Cliffs below Bodega State Park Comment
  CHSC28849  Lepidium nitidum Jane A. Rogers 1979-4-14 9 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/4 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. 27 Comment
  CAS-BOT-BC12758  Lepidium oxycarpum John Thomas Howell 1931-4-1 6039 Sonoma 9 miles southwest of Sonoma on road to San Rafael. Comment
  JEPS88953  Lepidium virginicum Alice King Sep 1897 Sonoma Healdsburg Comment
  UCR248863  Leptochloa fusca subsp. uninervia Peter Rubtzoff 1965-8-16 5598 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  CAS-BOT-BC226546  Leptosiphon acicularis John Thomas Howell 1933-4-2 10932 Sonoma Sonoma Creek Canyon Comment
  UCD118606  Leptosiphon bicolor Botany 102 Students 1993-4-24 100 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. 1.25 air miles SE of Red Mountain. SE of Sonoma Creek. 396 Comment
  CAS-BOT-BC226695  Leptosiphon jepsonii Rimo Bacigalupi 1926-5-2 1366 Sonoma Cazadero Comment
  CAS-BOT-BC226703  Leptosiphon jepsonii F. Almeda; G. DeNevers 1981-3-30 4878 Sonoma Pepperwood Ranch. Vicinity of the Bechtel Cabin Comment
  JEPS127611  Leptosiphon jepsonii Estelle P. Clifton 2016-4-14 Sonoma 4611 Porter Creek Road, Santa Rosa Comment
  CHSC117133  Leptosiphon jepsonii Estelle P. Clifton 2016-4-16 Sonoma 4611 Porter Creek Road, Santa Rosa, CA 95404 Comment
  RSA3279  Leptosiphon latisectus D. D. Keck 1931-4-4 1100 Sonoma Santa Rosa Creek Canyon 225 Comment
  RSA181939  Lessingia arachnoidea Willard Spence 1960-9-13 630 Sonoma 2 miles from Monte Rio on road to camp Meeker and Occidental Comment
  JEPS20635  Lessingia hololeuca Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  JEPS82406  Lessingia hololeuca Roger Raiche 1983-9-20 30727 Sonoma between Monte Rio and Camp Meeker Bohemian Highway; Headwaters Duvoul Creek Comment
  CAS-BOT-BC341995  Lessingia ramulosa A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  JEPS87257  Lessingia ramulosa Jack and Betty Guggolz 1992-8-29 1340 Sonoma on creek just below reservoir (about 1 1/2 mi nw of Camp Meeker); Grub Creek 146 Comment
  UC75905  Lessingia ramulosa Miss M. Alice King September 1896 Sonoma near Healdsburg Comment
  UCR255049  Leucanthemum vulgare Greg de Nevers 1998-5-20 11253 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCR246786  Leucojum aestivum Ramona Robison 2012-2-15 s.n. Sonoma Santa Rosa, Annadel State Park 351 Comment
  UCD61309  Leymus californicus Freed W. Hoffman 1943-5-19 2202 Sonoma Sonoma Coast. Comment
  CDA36347  Leymus triticoides M. Lennox & D. Curle 2011-12-7 PDR# 1465998 Sonoma Petaluma. 0 Comment
  UCD150275  Leymus triticoides M. Lennox; D. Curle 2011-12-7 PDR 146599 8 Sonoma Petaluma. Comment
  CAS-BOT-BC451701  Lilaea scilloides David Morgan 1961-5-9 s.n. Sonoma Along Redwood Highway 4 1/2 mi. s. of Mendocino Co. line Comment
  IRVC1238007  Lilaea scilloides J. H. Weiler, D. Kaplan 1961-3-27 6163 Sonoma 4.4 miles north of Sears Point. Roadside ditch with running water along Highway 37. Comment
  UCD139744  Lilium maritimum Mary M. Hektner 1975-6-3 208 Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC130832  Lilium pardalinum Peter Rubtzoff 1955-7-24 1991 Sonoma Guerneville Marsh Comment
  OBI12591  Limnanthes douglasii Lewis S. Rose 1965-4-4 65020 Sonoma Sonoma 24 Comment
  CAS-BOT-BC45946  Limnanthes vinculans Peter Rubtzoff 1958-5-11 4825 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  RSA800898  Limosella acaulis Peter Rubtzoff 1966-5-7 5721 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  UCD110567  Linum bienne Beecher Crampton 1959-6-16 5390 Sonoma 2 miles E of Occidental, Jonive School area. 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
  UC1076091  Lithocarpus densiflorus Herbert L. Mason 1928-4-8 4296 Sonoma 2 mi n Ft. Ross (coast) Comment
  CAS-BOT-BC342498  Logfia gallica John Thomas Howell 1930-6-8 5236 Sonoma Bodega Road 3 miles east of Valley Ford Comment
  CAS-BOT-BC342502  Logfia gallica D. E. Breedlove 1980-6-28 44810 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC573666  Lolium multiflorum H. S. Yates 1936-5-16 5581 Sonoma 1 mi ne Graton; Sebastopol Quadrangle Comment
  UC573668  Lolium multiflorum H. S. Yates 1937-5-30 6552 Sonoma 1 1/2 mi e Occidental; Sebastopol Quad. Comment
  UCD66013  Lolium multiflorum Gerry North 1993-4 17 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead. Less than 0.2 miles east of park entrance gate. 243 Comment
  CAS-BOT-BC283292  Lolium multiflorum David L. Morgan 1960-7-10 s.n. Sonoma 1 mile S of Carmet, State Highway 1, Bodega Coast Comment
  CAS-BOT-BC269192  Lolium temulentum David L. Morgan 1956-5-13 s.n. Sonoma On Watmaugh Rd., 1/2 mi. W. of junction of Arnold Drive Comment
  UC573663  Lolium temulentum H. S. Yates 1937-5-31 6560 Sonoma 1 1/2 mi wnw Mark West Springs; Calistoga Quadrangle Comment
  RSA452563  Lomatium californicum Christopher Davidson 1977-6-20 6021 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  UCD127037  Lomatium californicum Frederica Bowcutt 1996-5-24 2155 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon just N of Sonoma/Rattlesnake Creek confluence on a small knoll. 381 Comment
  SD130503  Lomatium dasycarpum F. Almeda, G. DeNevers 1981-4-28 4911 Sonoma Pepperwood Ranch, near Bechtel cabin. Comment
  UC875120  Lomatium dasycarpum subsp. dasycarpum Lewis S. Rose 1941-5-22 31247 Sonoma 4 mi. e. Santa Rosa (Rincon Ridge); Rincon Ridge 121 Comment
  CAS-BOT-BC361371  Lomatium repostum Greg de Nevers 1997-3-20 10920 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill 400 Comment
  RSA0056424  Lomatium repostum Greg de Nevers 1997-4-16 10942 Sonoma Moon Mountain Road. Comment
  SEINET12121510  Lomatium repostum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -089 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 244 Comment
  UC21271  Lomatium utriculatum J. Burtt Davy 1896-3-15 1699 Sonoma Sea View near Fort Ross; Sea View Comment
  UCD137325  Lonicera hispidula C. Wistrom 1996-5-26 27 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  POM128320  Lonicera involucrata H. P. Chandler 1907-4-28 7550 Sonoma Santa Rosa to Calistoga. Comment
  UCSB8735  Lonicera involucrata Keator, Glenn 1959-4-2 Sonoma 0.6 miles north of junction of Laguna Road and College Road on Laguna Road and 5.1 miles north of Sebastopol, Vinehill area Comment
  CAS-BOT-BC244000  Lonicera involucrata var. ledebourii Saichi Kawahara 1969-3-31 542 Sonoma 50 yards west of Jenner Comment
  CAS-BOT-BC244008  Lonicera involucrata var. ledebourii Peter Rubtzoff 1952-3-23 898 Sonoma North of the Lower Marsh, Pitkin Marsh near Forestville Comment
  UC28551  Lonicera involucrata var. ledebourii J. Burtt Davy 1896-3-13 1654 Sonoma Duncan's Mills Comment
  CAS-BOT-BC293682  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rohnert Park., creek bed west of Commrece Blvd. crossing. 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-BC294701  Lotus Peter Rubtzoff 1971-5-8 6438 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD106701  Lotus angustissimus Robert E. Preston 2000-8-2 1427 Sonoma Ca. 2.5 mi NNE of Fort Ross, Seaview. 381 Comment
  UCR105443  Lotus formosissimus Peter Rubtzoff 1958-5-10 3632 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  UC729989  Lotus heermannii Leo F. Koch 1940-4-20 804 Sonoma 8.8 mi s Stewarts Point (along Highway 1) Comment
  UC81130  Lotus humistratus Michener and Bioletti 1892-5-15 64 a Sonoma Hoods Peak Comment
  POM27250  Lotus humistratus Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan[s] Mills. Comment
  UC1285193  Lotus junceus var. biolettii R. F. Hoover 1964-9-8 9286 Sonoma near Fort Ross; Kolmer Gulch Comment
  SEINET3523773 Image available Lotus purshianus Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-7 15122 Sonoma Roadside, 2 miles N of Kellogg Comment
  JEPS55883  Lotus stipularis var. stipularis F. T. Bioletti 1893-6-7 Sonoma Hood Peak Comment
  RSA0059082  Lotus subpinnatus Greg de Nevers 1992-5-2 10138 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd. Along Franz Creek. 91 Comment
  RSA568520  Lotus unifoliolatus H. L. Bauer 350 Sonoma Big Basin Comment
Read comments
Sep 18 2012
  RSA32862  Lotus wrangelianus A. A. Heller 1937-5-1 16175 Sonoma Bodega Bay Comment
  CAS-BOT-BC249321  Ludwigia Peter Rubtzoff 1973-8-27 7273 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC290614  Ludwigia Peter Rubtzoff 1987-9-27 9853 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  CDA9765  Ludwigia grandiflora subsp. hexapetala Erik Hawk 2007-10-1 s.n.-LWA Sonoma Wildlife Area, between Guerneville Rd. and Occidental Rd., Laguna de Santa Rosa. Comment
  UCD66029  Ludwigia hexapetala B. J. Grewell 2006-11-17 06- 96 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Blucher Creek confluence, CA-Dept Fish and Game's Laguna Wildlife Area, downstream of Todd Rd Bridge s. of Sebastopol. 22 Comment
  UCD66047  Ludwigia hexapetala B. J. Grewell; Keenan Foster 2005-9-14 05- 17 -LU Sonoma Russian River upstream of Cloverdale Airport. 79 Comment
  CAS-BOT-BC258924  Ludwigia palustris Peter Rubtzoff 1958-7-19 3758 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UC1191759  Ludwigia palustris Herbert L. Mason 1946-7-4 12886 Sonoma Pitkin Marsh between Santa Rosa and Forestville; Pitkin Marsh Comment
  UCD164978  Ludwigia palustris Peter Rubtzoff; Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7800 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC157963  Ludwigia peploides Peter Rubtzoff 1955-8-28 2110 Sonoma Forestville Marsh Comment
  CAS-BOT-BC157979  Ludwigia peploides Peter Rubtzoff 1958-9-6 3969 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road) Comment
  UC424853  Lupinus Milo S. Baker 1929-5-7 3452 b Sonoma near Sebastopol; near Sebastopol Comment
  CAS-BOT-BC201291  Lupinus Charles Piper Smith 1947-6-25 47572 Sonoma Highway 1, Stewarts Point, 7.6 miles south Comment
  CDA36944  Lupinus adsurgens CDFA Staff 2008-1 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  JEPS77262  Lupinus albifrons var. albifrons Robert M. Lloyd 1963-4-24 2399 Sonoma 16.5 mi from State Hwy. 12 on road to Oakdale 274 Comment
  HSC42043  Lupinus arboreus S. Saufferer 1973-5-24 216 Sonoma Bodega Bay Comment
  UC865419  Lupinus arboreus Lewis S. Rose 1939-4-2 39052 Sonoma Duncan Mills, Russian River 30 Comment
  UCD106617  Lupinus arboreus Eric Davidson 1971-6-29 335 Sonoma next to ocean's edge; Salt Point State Park, north of Fort Ross. Comment
  UCD106637  Lupinus arboreus P. B. Kennedy Date Unknown 1 Sonoma Del Mar. Comment
  CAS-BOT-BC196462  Lupinus arboreus Catherine Best 1981-4-4 s.n. Sonoma On Coleman Valley Rd just west of Coleman Valley Comment
  UC15932  Lupinus bicolor W. H. Brewer 1862-4-17 982 Sonoma Sonoma Valley Comment
  UCR248750  Lupinus bicolor Peter Rubtzoff 1969-5-11 6045 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  POM253151  Lupinus densiflorus var. densiflorus A. A. Heller 1938-5-14 15092 Sonoma Hills between Petaluma and Napa. Comment
  SEINET10737353 Image available Lupinus densiflorus var. lacteus Marcus E. Jones 1882-7-17 Jones 3329 Sonoma Duncan's Mills. Comment
  UC1076235  Lupinus formosus H. L. Mason June 1930 5655 Sonoma mouth of Gualala River Comment
  SD125494  Lupinus formosus var. formosus M. L. Conrad, Dunn and Le Doux 1973-6-9 7079 Sonoma 0.6 mile west of Sonoma-Napa County Line on Highway 121. 60 Comment
Read comments
Aug 9 2012
  SEINET10450573  Lupinus latifolius Frederick H. Utech, Walter Knight; Irja Knight 1984-4-16 Utech 84 -084 Sonoma Ca 4.0 mi NNW of Sonoma on Cavedale Rd from jct with CA Hwy 12; ca 0.5 mi N on Cavedale Rd from jct. Plants perennial; scattered in dry, open chaparral. 152 Comment
  SEINET10490782  Lupinus latifolius subsp. latifolius Robert F. Thorne 1965-4-19 Thorne 34317 Sonoma Fls violet; on well-drained embankment in douglas-fir forest; harrison grade, 1/2 Mi. From green valley rd.; With calycanthus, pseudotsuga, umbellularia, etc 152 Comment
  UCD55145  Lupinus latifolius var. latifolius Ellen Dean; Tammie Beyerl 2006-4-28 3027 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 191 Comment
  UC501357  Lupinus microcarpus var. densiflorus H. E. and S. T. Parks 1930-5-9 600 Sonoma w end Knights Valley; w end of Knights Valley Comment
  UC726073  Lupinus microcarpus var. densiflorus A. A. Heller 1938-5-14 15092 Sonoma between Shellville and Petaluma; between Shellville and Petaluma Comment
  SEINET7063004 Image available Lupinus nanus A. G. Vestal 1955-5-8 s.n. Sonoma South of Bennett Mountain. UTM Zone 10, 532837mE, 4251642mN. (WGS84/NAD83). 573 Comment
  UC1537144  Lupinus nanus Gordon H. True Jr. 1938-4-13 863 Sonoma between Sonoma and Black Point; between Sonoma and Black Point 15 Comment
  UCD108979  Lupinus nanus A. A. Heller; H. E. Brown 1902-4-9 5233 Sonoma Near Healdsburg. 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
  UC73201  Lupinus pachylobus Milo S. Baker 1898-4-20 631 Sonoma Taylor Mt. Comment
  CAS-BOT-BC320548  Lupinus polycarpus Peter Rubtzoff 1969-5-11 6045 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  RSA0022472  Lupinus polycarpus Peter Rubtzoff 1969-5-3 6020 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  SEINET12164400  Lupinus propinquus F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -147 Sonoma between Salmon Creek & Cormet at junction of Coleman Valley Road & CA 1 12 Comment
  RSA0036442  Lupinus variicolor Daisie Huang 2006-5-30 06053015 Sonoma Bodega Marine Laboratory. Coastal bluff near building. (waypt 30D). 2 Comment
  SBBG125951  Lupinus variicolor D. Huang 2006-5-30 06053006 Sonoma Bodega Marine Laboratory, coastal bluff near building 2 Comment
  RSA52692  Luzula comosa I. L. Wiggins 1949-4-30 12063 Sonoma 6.8 miles east of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC441392  Luzula subsessilis Peter Rubtzoff 1953-5-17 1373 Sonoma Vacation Beach, near Guerneville Comment
  UC1753615  Lycopodium clavatum Clare Golec 2000-6-23 Sonoma maritime ridgeline just above Sea Ranch; ne edge of unit 1 of Terrapin Timber 158 Comment
Read comments
Jun 29 2008
  RSA0018586  Lythrum Peter Rubtzoff 1970-10-24 6416 Sonoma At Presidio Blvd. and Barnard Avenue, Presidio. Comment
  RSA0015993  Lythrum hyssopifolia Peter Rubtzoff 1958-7-20 3784 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  RSA0017436  Lythrum hyssopifolia Marcus E. Jones 1931-7-5 29036 Sonoma The Geysers. Comment
  UCD167413  Madia James Neilson 1978-5-3 3961 Sonoma Mayacmas Mountains, north side of Red Hill. (Neilson 3959 collected on the same date indicates that this specimen was located near Red Hill, although his field notebook says Red Mtn. in error. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC173556  Madia Peter Rubtzoff 1975-8-28 8361 Sonoma Kenwood Marsh. Comment
  UC1069880  Madia anomala H. S. Yates 1934-4-22 3851 Sonoma 2 mi s of Mark West; Calistoga Quadrangle Comment
  UC89455  Madia elegans W. E. Bryant July 1887 Sonoma Healdsburg Comment
  UC990649  Madia elegans James I. McMurphy 1909-8-10 716 Sonoma West Santa Rosa Comment
  HSC100974  Madia elegans Peter Warner 2011-8-10 225 Sonoma Jenner Headlands Property, Upper Russian Gulch Pasture, N of power line overcrossing. 227 Comment
  JEPS12584  Madia elegans Eleanor Armstrong June 1932 509 Sonoma hill below St. Dorothy's (near Camp Meeker) 121 Comment
  JEPS27973  Madia exigua Rimo Bacigalupi and L. Heckard 1961-6-9 7736 Sonoma 1.75 mi sw Occidental (at junction of Joy Road and Bittner Road) 249 Comment
  POM194541  Madia exigua Y. Mexia 1929-6-2 2391 Sonoma Near Mark West Springs Comment
  SEINET3148102  Madia gracilis L. S. Rose 1940-5-22 40370 Sonoma Sonoma 30 Comment
  UCD55327  Madia gracilis Ellen Dean 2006-6-28 3171 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  CAS-BOT-BC345230  Madia sativa John H. Thomas 1976-6-15 18285 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UCD132830  Madia sativa Frederica Bowcutt 1997-7-18 2184 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  CAS-BOT-BC166725  Madia sativa Peter Rubtzoff 1962-10-9 s.n. Sonoma Goat Rock area of Sonoma Coast State Park, 1.6 miles from Hwy. 1. Comment
  CAS-BOT-BC345201  Madia sativa Minnette Matthaie 1965-7-1 s.n. Sonoma Near Sonoma on road to Napa Comment
  CAS-BOT-BC345216  Madia sativa H. M. Hall 1931-5-28 13105 Sonoma Bodega Bay Comment
  CAS-BOT-BC345221  Madia sativa L. R. Abrams; Luther Burbank 1907-8-1 s.n. Sonoma On roadside between Sebastopol and Santa Rosa Comment
  CAS-BOT-BC345258  Madia sativa John Thomas Howell 1932-9-18 10765 Sonoma South base of Mt. Hood on Sonoma Creek Comment
  UC990650  Madia sativa James I. McMurphy 1909-8-8 703 Sonoma electric RR station between Santa Rosa and Sebastopol; Leddy Comment
  CHSC26310  Maianthemum racemosum P. Kunst 1977-4-12 32 Sonoma 170 Comment
  CAS-BOT-BC511499  Maianthemum stellatum J. W. Congdon 1880-5-2 s.n. Sonoma Cleveland's Creek Comment
  JEPS112784  Malacothrix floccifera Dean W. Taylor 1994-5-4 14223 Sonoma ca. 1.8 mi N of Camp Meeker along Bohemian Highway; Dutch Bill Creek drainage just downstream from confluence with Duvol Creek 76 Comment
  UCD116558  Malva nicaeensis Mary M. Hektner 1976-4-3 240 Sonoma Along fence and road at Sea Ranch Association Office, Sea Ranch, near State Highway 1. Comment
  UCD163796  Marah Peter Rubtzoff 1980-5-26 9448 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  HSC7020  Marah fabacea L. S. Rose 1962-4-18 62026 Sonoma Laguna de Santa Rosa, 2 mi. NE of Graton 30 Comment
  CAS-BOT-BC348223  Matricaria discoidea Volney Rattan 1867-4-1 s.n. Sonoma Black Point Comment
  CDA34793  Matricaria discoidea Peter Warner 2010-3-29 120 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  POM55040  Matricaria matricarioides A. A. Heller, H. E. Brown 1902-6-2 5635 Sonoma Santa Rosa. Comment
  SEINET11807291  Matricaria matricarioides F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -184 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 630 Comment
  CAS-BOT-BC422697  Meconella californica John Thomas Howell 1931-4-18 6409 Sonoma Larkspur Rock, near Bodega Bay Comment
  UCD106758  Medicago arabica Mary M. Hektner 1976-4-3 230 Sonoma Sea Ranch Association Office, Sea Ranch, near State Highway 1. Comment
  RSA0009775  Medicago polymorpha Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC271126  Melica aristata L. S. Smith 1925-6-9 49340 Sonoma In 1924 burn top of hill est of Bloom, Tahoe Forest 1219 Comment
Read comments
May 7 2019
  CAS-BOT-BC269511  Melica californica G. DeNevers 1981-5-23 1264 Sonoma Pepperwood Ranch. At bottom of Franz Valley Road Comment
  SEINET197658 Image available Melica geyeri Leo Koch 1940-4-24 843 Sonoma Roadside in Bennett Valley a mile north of two and one-half mile junction from Kenwood and Glen Ellen Comment
  UC1132272  Melica harfordii H. S. Yates 1936-5-16 5612 Sonoma 1 mi nw Mountain View School; Sebastopol Quad. 91 Comment
  UCD88610  Melica subulata B. Crampton 1955-6-17 2962 Sonoma 2 miles east of Fort Ross. Comment
  CAS-BOT-BC262552  Melica torreyana G. DeNevers 1981-5-15 1182 Sonoma Pepperwood Ranch. In first big left hand Canyon off N arm of Garrison Canyon Comment
  CAS-BOT-BC164066  Mentha Peter Rubtzoff 1958-5-10 s.n. Sonoma Laguna de Santa Rosa, E of Cunningham, near Llano Road crossing Comment
  CAS-BOT-BC164083  Mentha Peter Rubtzoff 1960-9-17 4567 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  RSA247445  Mentha X piperita Peter Rubtzoff 1951-9-3 743 Sonoma Margin of creek at Hwy 12 SE of Forestville Comment
  UCR279622  Mentha canadensis Peter Rubtzoff 1959-8-2 4210 Sonoma Willow Creek Marsh 9 Comment
  UC1239694  Mentha pulegium Joseph P. Tracy 1947-10-6 17937 Sonoma along Mayacama Creek (w of Knights Valley); along Mayacama Creek, w of Knights Valley 152 Comment
  POM62727  Mentha pulegium Geo R. Hall 1906-10-14 s.n. Sonoma Guerneville Comment
  RSA94261  Mentha pulegium Peter Rubtzoff 1951-8-5 610 Sonoma Northwestern; outer North Coast ranges region Margin of creek at Hwy 12, SE of Forestville Comment
  UCR244649  Mentha rotundifolia Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC166976  Mentha spicata Peter Rubtzoff 1955-8-28 2114 Sonoma Vacation Beach, near Guerneville. Comment
  RSA785143  Mentha spicata Peter Rubtzoff 1968-8-24 5936 Sonoma Forest Hills, 5.5 mi E of Guerneville. On Russian River bank. Comment
  UC727708  Mentha spicata Milo S. Baker 1946-8-17 11567 Sonoma hiwy between Sebastopol and Cunningham Comment
  RSA784547  Mentha spicata Peter Rubtzoff 1955-10-12 2166 Sonoma Duncans Mill Marsh. Comment
  RSA785144  Mentha spicata Peter Rubtzoff 1973-8-28 7275 Sonoma Upper Green Valley Marsh. Comment
  UCD148320  Mentha spicata Peter Rubtzoff 1953-11-1 1449 Sonoma Guerneville Marsh. Comment
  UCD165333  Mentha suaveolens Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh. Comment
  JEPS42860  Mentzelia laevicaulis var. laevicaulis J. B. Davy 1896-7-23 Sonoma Guerneville Comment
  CAS-BOT-BC428957  Micranthes californica A. A. Heller; H. E. Brown 1902-3-12 5040 Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  UC673613  Micropus amphibolus Herbert L. Mason 1934-4-28 8081 Sonoma four mi w Healdsburg (head of Dohrman Creek); Jensen's Ranch Comment
  CAS-BOT-BC348619  Micropus californicus var. californicus Greg de Nevers; Frank Almeda 1987-4-11 8149 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  SEINET11807614  Micropus californicus var. californicus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -187 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 630 Comment
  CAS-BOT-BC349106  Microseris douglasii subsp. tenella Alice Eastwood 1921-5-8 10446 Sonoma Petaluma Comment
  CAS-BOT-BC322752  Microseris paludosa Alice Eastwood; John Thomas Howell 1936-5-19 2511 Sonoma 2 miles north of Windsor Comment
  CHSC34598  Microsteris gracilis Jeffrey D. Prouty 1979-4-11 220 Sonoma Ca. 7 mi n of Santa Rosa.Ca. 100 yds w of Mark West Springs Rd., ca. 300 yds n of jctn. with Michelle Way. 164 Comment
  SEINET12333744  Microsteris gracilis H. K. Wagnon 1989-1 1847 Sonoma Spring Lake Park and environs 67 Comment
  CAS-BOT-BC311866  Mimulus Peter Rubtzoff 1969-6-14 6073 Sonoma Vernal pool, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  CAS-BOT-BC320508  Mimulus Peter Rubtzoff 1964-5-31 5326 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg, along Russian River. Comment
  CAS-BOT-BC320529  Mimulus Peter Rubtzoff 1958-7-5 3748 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC320531  Mimulus Peter Rubtzoff 1970-6-21 6271 Sonoma Along sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  RSA0025384  Mimulus Peter Rubtzoff 1966-5-29 5742 Sonoma Pitkin Marsh. In lower part of the Upper Marsh. Comment
  RSA0025389  Mimulus Peter Rubtzoff 1957-5-11 3336 Sonoma Occidental Marsh. Comment
  RSA39875  Mimulus aurantiacus var. aurantiacus P. A. Munz 1947-10-9 12212 Sonoma Dry Slope near entrance to Armstrong Redwoods State Park Comment
  UC1012322  Mimulus aurantiacus var. aurantiacus F. W. Pennell and H. L. Mason 1940-5-21 25492 Sonoma 12 mi e Healdsburg (Route 28); Knights Valley, Maacona Creek 121 Comment
  UCR37730  Mimulus aurantiacus var. aurantiacus A. C. Sanders 1985-1-19 5370 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  UC943906  Mimulus aurantiacus var. aurantiacus H. E. McMinn 1944-11-5 5454 Sonoma along road from Kenwood to Oakville Comment
  UCD122508  Mimulus cardinalis K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  UC905106  Mimulus congdonii Milo S. Baker 1927-3-11 2015 b Sonoma near Santa Rosa (above road up canyon); Los Alamos Canyon Comment
  JEPS86851  Mimulus douglasii David M. Thompson 1989-4-4 995 Sonoma 1.1 mi n Porter Creek Road (along Franz Valley Road) 300 Comment
  UC1012302  Mimulus guttatus F. W. Pennell and H. L. Mason 1940-5-21 25483 Sonoma Kellogg Route 28 182 Comment
  UCR252545  Mimulus guttatus Peter Rubtzoff 1966-5-29 5742 Sonoma Pitkin Marsh, near Forestville 38 Comment
  UCR275267  Mimulus guttatus Peter Rubtzoff 1955-8-20 2081 Sonoma Bodega Harbor Marsh 0 Comment
  SEINET12334049  Mimulus guttatus Unknown 1977-1 17 Sonoma no further locality 122 Comment
  SEINET12347398  Mimulus guttatus F. H. Utech 1988-5-21 88 -229 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1 100 Comment
  JEPS27318  Mimulus inodorus Eleanor Armstrong 1932-5-23 497 Sonoma 3 mi w Graton 60 Comment
  UC1042504  Mimulus microphyllus Peter Rubtzoff 1951-6-2 104 Sonoma near Forestville (w branch of marsh); Pitkin Marsh Comment
  UC26981  Mimulus microphyllus State Survey 974 Sonoma Sonoma Comment
  UC768827  Mimulus microphyllus R. F. Hoover 1939-4-18 4036 Sonoma Occidental Comment
  JEPS3029  Mimulus tricolor Milo S. Baker 1952-4-30 12408 B Sonoma along road near Summit Bennett Valley rd. Comment
  UCR242984  Mimulus tricolor Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  UC852247  Minuartia californica Keith Wagnon 1940-3-31 238 Sonoma 5 mi w Sebastopol; Gold Ridge Subdivision Comment
  UCD167967  Minuartia douglasii James Neilson 1977-6-12 3921 a 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-BC435112  Mollugo verticillata Peter Rubtzoff 1969-11-2 6206 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville. Comment
  POM85787  Monardella lanceolata var. lanceolata Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
Read comments
Dec 18 2017
  SEINET4173672 Image available Monardella villosa Annetta Carter, Ethel Crum 1941-6-22 1641 Sonoma 3.3 miles east of Bay (Bodega Bay). Comment
  LA37424  Monardella villosa Carl Epling; Ledyard Stebbins, Harlan Lewis 1943-6-17 sn Sonoma Bodega Bay Comment
  UC1561918  Monardella villosa subsp. franciscana Barbara Ertter 1989-6-19 8592 Sonoma Dry knoll S of junction Highway 1 and road to Goat Rock Beach S Russian River Comment
  CAS-BOT-BC314201  Monardella villosa subsp. villosa Dorothy Scherer 1996-6-3 050 Sonoma Fort Ross Road, N side, ca 0.5 mi. W of Seaview Rd. Fort Ross State Historic Park. 457 Comment
  CAS-BOT-BC220702  Monardella viridis F. G. Krauss 1894-1-1 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC166932  Montia Peter Rubtzoff 1974-4-17 7371 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC166777  Montia Peter Rubtzoff 1967-5-21 5841 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  CAS-BOT-BC445004  Montia fontana Peter Rubtzoff 1966-4-30 5690 Sonoma North side of Hessel Road just west of Hwy. 116. Comment
  CAS-BOT-BC445005  Montia fontana Peter Rubtzoff 1955-4-23 1775 Sonoma Bennett Mountain Lake. 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
  UC1199520  Myosotis discolor Reino Alava 1955-5-24 2044 Sonoma Pitkin Marsh n.w. of Sebastopol; Pitkin Marsh Comment
  UCD166498  Myosurus Peter Rubtzoff 1966-4-17 5681 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC257704  Myosurus Peter Rubtzoff 1966-4-17 5672 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC257705  Myosurus Peter Rubtzoff 1966-4-17 5681 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  UCD166291  Myosurus Peter Rubtzoff 1966-5-7 5703 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC101792  Myrica californica Peter Rubtzoff 1962-4-11 4788 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road) 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
  UC1042426  Myrica californica Peter Rubtzoff 1952-5-31 1113 Sonoma near Forestville (Pitkin Marsh, s. of Upper Marsh); Pitkin Marsh Comment
  UCD165115  Myriophyllum aquaticum Peter Rubtzoff 1973-10-10 7334 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  RSA800153  Myriophyllum brasiliense Peter Rubtzoff 1970-8-18 6318 Sonoma 5 mi N of Sears Point. Comment
  UCD166304  Myriophyllum hippuroides Peter Rubtzoff 1966-8-21 5797 Sonoma Atascadero Creek Marsh. 29 Comment
  CAS-BOT-BC258925  Myriophyllum hippuroides Peter Rubtzoff 1955-7-16 1966 Sonoma Bennett Mountain Lake. 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
  CAS-BOT-BC260073  Nassella lepida G. DeNevers 1981-5-30 1403 Sonoma Pepperwood Ranch. E slope of Horse Hill Comment
  SEINET257981  Nassella manicata Mary E. Barkworth, D. Amme 1989-5-15 5170 Sonoma About 2 mi. N of Jenner on US 1. Comment
  CAS-BOT-BC260278  Nassella pulchra F. Almeda; G. DeNevers 1981-4-28 4919 Sonoma Pepperwood Ranch. Vicinity of the Bechtel cabin Comment
  RSA656745  Nassella pulchra Beecher Crampton 1956-4-24 3310 Sonoma 2.5 miles north of Healdsburg. Comment
  SBBG26388  Nassella pulchra B. Crampton 1966-5-10 Sonoma 3 mi S of Healdsburg Comment
  UC1133204  Nassella pulchra H. S. Yates 1937-5-30 6549 Sonoma 4 mi nw Graton; Sebastopol Quadrangle Comment
  UC526763  Nassella pulchra Joseph P. Tracy 1933-5-1 12123 Sonoma Knights Valley Northern Coast Ranges Comment
  UC727739  Nassella pulchra Milo S. Baker 1946-4-14 11311 Sonoma ridge near Howar Rodger's Ranch (ne of Santa Rosa); Rincon Ridge Comment
  CAS-BOT-BC344990  Nasturtium officinale Peter Rubtzoff 1954-6-6 1458 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC60523  Nasturtium officinale J. Clausen 1935-5-24 1083 Sonoma 3.7 miles south of Jenner on the Bodega road. Along highway. Comment
  CAS-BOT-BC60525  Nasturtium officinale Walter Knight; Irja Knight 1963-8-13 405 Sonoma Horseshoe Cove. 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
  CAS-BOT-BC479713  Navarretia cotulifolia Ann Howald 2003-5-15 2334 A Sonoma Inner North Coast Ranges: Sonoma Mountains, S end, lower E slope, c. 0.2 mi SE of intersection of Lewis Creek and Felder Creek 151 Comment
  JEPS70255  Navarretia cotulifolia W. L. Jepson 1921-6-3 9307 Sonoma s of Santa Rosa (near Wilfred station); Cotati Valley 28 Comment
  UC73612  Navarretia cotulifolia Milo S. Baker May 1899 Sonoma Santa Rosa Comment
  UC101999  Navarretia leucocephala subsp. bakeri Katharine Brandegee Jun 1905 Sonoma between Santa Rosa and Sebastopol Comment
  UC106690  Navarretia linearifolia subsp. pinnatisecta Angell Sonoma between Geysers and Highland; between Geysers and Highland Comment
  UC1008723  Navarretia pubescens Lewis S. Rose 1940-5-22 40371 Sonoma Sonoma 30 Comment
  UC908513  Navarretia pubescens Herbert L. Mason 1940-5-21 12294 Sonoma head of Mayacama Creek Knights Valley, Mayacama Creek Comment
  CAS-BOT-BC232687  Navarretia pubescens Alva Day; George Lindsay; Mona Bourell 1982-6-25 82 57 a Sonoma N of Glen Ellen, off Highway 121, Pepperwood Ranch Preserve, California Academy of Sciences, 0.5 mile NW of Strebel Homestead above Martin Creek Comment
  SEINET196703  Navarretia pubescens Herbert L. Mason 1940-5-21 12294 Sonoma Head of Mayacama Creek in Knights Valley. Comment
  UCD39803  Navarretia tagetina Collector Unknown 1947-5-16 Sonoma 4.5 miles E. of Windsor. Comment
  UC972156  Navarretia viscidula Helen K. Sharsmith 1952-7-6 4178 Sonoma 12.2 mi w Skaggs Springs (Stewart's Point road) 579 Comment
  SEINET8729376 Image available Navarretia viscidula Helen K. Sharsmith 1952-1 4178 Sonoma Stewartt's Point road 12.2 miles west of Skagg's Spring. 579 Comment
  UCD160847  Navarretia vividior James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3294 b Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 716 Comment
  SD130512  Nemophila heterophylla F. Almeda, G. DeNevers 1981-3-30 4888 Sonoma Pepperwood Ranch; summit and east-facing slope of Three Tree Hill. Comment
  UC24235  Nemophila menziesii J. Burtt Davy 1896-3-15 1673 Sonoma near Fort Ross; near Fort Ross Comment
  UCD120232  Nemophila menziesii R. W. Thorp 1967-3-9 670309 D Sonoma One mile southeast of Verona. Comment
  UC67151  Nemophila menziesii var. atomaria Milo S. Baker 1899-3 Sonoma near Kenwood (Dr. Turk Canyon); Dr Turk Canyon, near Kenwood Comment
  UCD120242  Nemophila menziesii var. atomaria G. F. Hrusa; R. Gross 1998-3-14 14152 Sonoma Foote Ranch, NW base of Mt. St. Helena, corner of Ida Clayton Rd. and Hwy 128. Near 2nd pond on Foote Creek. North Coast Biodiversity Arena. 110 Comment
  POM65318  Nemophila menziesii var. menziesii Milo S. Baker 1898-4-8 s.n. Sonoma Healdsburg. Comment
  UC65022  Nemophila parviflora M. L. Baker 1898-4-3 15 Sonoma betw Guerneville and Cazadero; betw Guerneville and Cazadero Comment
  RSA0056429  Nemophila parviflora Greg de Nevers 1998-6-15 11284 Sonoma CYO Camp on Bohemian Highway. Comment
  UCR265138  Nemophila pedunculata Ann Howald 2015-4-1 3313 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 11.5 miles west of intersection with Rockpile Rd, Warm Springs drainage 408 Comment
  UC32589  Nepeta cataria V. K. Chesnut Sonoma Petaluma Comment
  RSA0057976  Nicotiana Greg de Nevers 1997-10-17 11106 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Hansel's corral. 100 Comment
  CAS-BOT-BC231513  Nicotiana D. E. Krause 1894-5-1 s.n. Sonoma Unspecified Comment
  HSC100869  Nicotiana acuminata var. multiflora Peter Warner 2011-11-2 236 Sonoma Annadel State Park, lower Canyon-Spring Creek Trails access from Vietnam Veterans Trail at Park Trail Drive, Santa Rosa. 0 Comment
  UCD110164  Notholithocarpus densiflorus Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1765 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; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  UC136307  Nuphar lutea subsp. polysepala G. A. Newell Aug 1900 Sonoma Russian River Station Comment
  CAS-BOT-BC400120  Nuphar polysepala Peter Rubtzoff 1951-6-9 188 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC400128  Nuphar polysepala Mary P. Wells 1984-8-9 434 Sonoma Sagpond near airstrip, Timber Ridge Road, The Sea Ranch Comment
  CAS-BOT-BC368046  Orthocarpus Greg de Nevers 1989-4-1 9055 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  POM252788  Orthocarpus faucibarbatus var. albidus A. A. Heller 1938-5-14 15090 Sonoma Just east of the town of Bodega. Comment
  SEINET12270160  Orthocarpus faucibarbatus var. albidus L. D. Thurman 1965-1 667 Sonoma 8 mi N of Bodega Bay on State Hwy 1 Comment
  RSA126138  Orthocarpus purpurascens Alice Eastwood 1915-6-29 4859 Sonoma Bodega Point. Comment
  UC1295818  Osmorhiza berteroi unknown 1892-2 Sonoma Petrified Forest Comment
  POM139491  Oxalis oregana A. A. Heller, H. E. Brown 1902-3-22 5131 Sonoma Among Redwood Trees W of Sebastopol Comment
  UC455385  Oxalis oregana I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  CDA34796  Oxalis pes-caprae Peter Warner 2010-3-29 123 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  CDA7164  Oxalis pes-caprae Plane/S. Thomas 2008-2-26 PDR# 1481679 Sonoma Kenwood, 11011 Sonoma Hwy 0 Comment
  UC91652  Packera greenei Brandegee May 1890 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC227649  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC1146580  Panicum acuminatum var. acuminatum Freed W. Hoffman 1941-6-15 2158 Sonoma Eckert Ranch near Salt Point; North Coast Ranges, near Salt Point Comment
  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
  UCD151254  Panicum acuminatum var. thermale James A. Neilson Jr. 1974-7-10 2837 Sonoma Mayacmas Mountains. Little Geysers. 731 Comment
  UCD89124  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 b Sonoma North East part of county. The Geysers, Comment
  UCD89128  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 f Sonoma North East part of county. The Geysers, Comment
  UCD89130  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 b Sonoma The Geysers. Comment
  UCD89132  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers, Comment
  CAS-BOT-BC253798  Panicum hillmanii G. DeNevers 1981-6-20 1600 Sonoma Pepperwood Ranch. Mark West Creek Comment
  SBBG115659  Panicum thermale B. Crampton 1964-8-18 7139 e Sonoma The Geysers, above Geyser Crk, ca. 12 mi (in direct line) E of Cloverdale, ca. 0.5 mi E of Geyser Resort area, slope of steam thermal no 10 (Thermal Power Co.) 493 Comment
  UC972197  Parvisedum pumilum Milo S. Baker 1952-4-20 12399 Sonoma ca 1/4 mi n of Caliente (e side of Highway 12); e side of Highway 12 Comment
  UC971706  Parvisedum pumilum Leo Koch 1940-4-24 848 Sonoma n of Agua Caliente Comment
  CAS-BOT-BC265691  Paspalum distichum Peter Rubtzoff 1951-7-14 432 Sonoma Southern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  HSC100871  Paspalum distichum Peter Warner 2011-8-18 233 Sonoma Pitkin Marsh, ~1.5 mi. SE of Forestville, lower marsh, in channel, ~50 m S of N edge of parcel. 42 Comment
  SEINET11687492  Paspalum distichum W. Knight, Knight, I. 1985-1 5416 Sonoma near Sonoma on Norrbom Road Comment
  SEINET12327822  Pedicularis densiflora F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -086 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  CAS-BOT-BC69303  Pellaea andromedifolia Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UC399517  Pellaea andromedifolia Michener and Bioletti March 1893 Sonoma Hood's Peak Comment
  CAS-BOT-BC69305  Pellaea andromedifolia Margot Lowry 1983-5-1 45 Sonoma 1 mi from top of Sonoma Mtn Rd on Sonoma Mtn. 500 Comment
  CAS-BOT-BC71483  Pellaea mucronata Walter Knight; Irja Knight 1964-1-17 519 Sonoma Hooker Canyon, Cavedale Rd. Comment
  UCD151229  Penstemon heterophyllus James A. Neilson Jr. 1974-5-17 2847 Sonoma On the border of Lake and Sonoma Counties: Mayacmas Mountains, Geyser Rock area, west of Whispering Pines and State Highway 175. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  CAS-BOT-BC245723  Penstemon newberryi var. sonomensis Rimo Bacigalupi 1920-5-30 s.n. Sonoma Summit of Mt. St. Helena, Lake-Sonoma Co. Comment
  HSC34930  Pentagramma triangularis Thomas W. Nelson, James Nelson 1975-3-25 1760 Sonoma Beside Hwy. 128, E of Geyserville at the Sonoma-Napa Co. line Comment
  SEINET4555669 Image available Pentagramma triangularis Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15053 Sonoma 2 miles north of Geyserville. Comment
  UC1329519  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-8-30 5872 Sonoma Upper Marsh Pitkin Marsh (southern part, near Forestville) Comment
  UC1518541  Perideridia gairdneri subsp. gairdneri Betty Lovell 1984-7-22 696 Sonoma 1000 ft ne Hwy 12 junc. with Frey Rd. (w of creek); Kenwood quad. Comment
  CAS-BOT-BC413665  Persicaria amphibia Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC368035  Persicaria amphibia Greg de Nevers 1998-6-28 11296 Sonoma Lautenberg Ranch, Spencer Lane, Knights Valley. Comment
  CAS-BOT-BC413639  Persicaria amphibia Peter Rubtzoff 1971-6-25 6556 Sonoma Off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing Comment
  CAS-BOT-BC413659  Persicaria amphibia Peter Rubtzoff 1966-8-21 5796 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC413664  Persicaria amphibia Volney Rattan 1877-6-4 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC413740  Persicaria hydropiper John Thomas Howell 1932-9-18 10779 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC418898  Persicaria hydropiperoides Peter Rubtzoff 1951-9-2 711 Sonoma Pitkin Marsh, near Forestville. North of the Lower Marsh Comment
  CAS-BOT-BC418907  Persicaria hydropiperoides Peter Rubtzoff 1958-7-20 3789 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road) Comment
  CAS-BOT-BC418922  Persicaria hydropiperoides Peter Rubtzoff 1958-9-6 3968 Sonoma Laguna de Santa Rosa north of Cunningham (nr. Todd Road) Comment
  CAS-BOT-BC419111  Persicaria lapathifolia Peter Rubtzoff 1958-7-20 3787 A Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd.) Comment
  CAS-BOT-BC419272  Persicaria maculosa Peter Rubtzoff 1966-9-10 s.n. Sonoma Laguna de Santa Rosa ca. 1 mi. east-southeast of Sebastopol Comment
  CAS-BOT-BC419277  Persicaria maculosa Peter Rubtzoff 1962-10-23 5128 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC419431  Persicaria punctata John Thomas Howell 1946-8-17 22854 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC419429  Persicaria punctata Peter Rubtzoff 1955-9-24 2156 Sonoma Guerneville Marsh Comment
  UC923136  Phacelia Freed W. Hoffman 1950-7-20 3333 Sonoma headwaters Gilliam (Gilman) Creek North Coast Ranges, Marble Mine Ridge Comment
  RSA26566  Phacelia californica J. T. Howell 1930-7-27 5403 Sonoma One mile north of Fort Ross. Comment
  UCD120302  Phacelia californica K. Esau 1932-5-2 s.n. Sonoma Bodega Bay. Comment
  UC702048  Phacelia californica Milo S. Baker 1946-5-15 11387 Sonoma near Schoolhouse (ca 10 mi w of Santa Rosa); Vine Hill Region Comment
  UC901814  Phacelia corymbosa Malcolm Nobs, F. W. Hoffmann, and A. R. Kruckeberg 1950-6-4 675 Sonoma area n of Gray Creek e junction with East Austin Creek Comment
  UC702959  Phacelia distans John Thomas Howell 1930-6-8 5274 Sonoma sand hills at n end Bodega Bay (type locality region) Comment
  RSA32660  Phacelia distans Doris K. Kildale 1928-4-1 4398 Sonoma Cloverdale Grade Comment
  UCD158786  Phacelia heterophylla subsp. virgata James A. Neilson Jr. 1974-6-1 2771 Sonoma Mayacmas Mountains, Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  UC444442  Phacelia suaveolens E. L. Greene Aug. 1888 Sonoma Petrified Forest; ; Petrified Forest, Sonoma Co. Comment
  CAS-BOT-BC259021  Phalaris californica Peter Rubtzoff 1962-6-1 4860 Sonoma Freestone Marsh Comment
  UC1132418  Phalaris californica H. S. Yates 1936-5-16 5618 Sonoma near Green Valley School; Sebastopol Quadrangle Comment
  UCD88547  Phalaris californica William Anderson 1965-7-30 s.n. Sonoma Stewart's Point. Comment
  UC1011001  Phalaris lemmonii Virginia Bufford 1935-5-3 31 Sonoma vicinity Santa Rosa; Santa Rosa vicinity Comment
  UCD88995  Phalaris lemmonii John Thomas Howell 1947-6-5 23243 Sonoma 4 miles W of Santa Rosa. Near Wright School. Comment
  CAS-BOT-BC265941  Phalaris minor Peter Rubtzoff 1962-6-13 4904 Sonoma Freestone Marsh Comment
  UC1132438  Phalaris paradoxa H. S. Yates 1937-6-6 6578 Sonoma near Windsor; Healdsburg Quad. Comment
  RSA129159  Phalaris paradoxa H. S. Yates 1937-6-5 6572 Sonoma 5 mi W. of Sonoma 91 Comment
  SEINET12330326  Phlox speciosa Unknown 1985-1 50169 Sonoma W of Healdburg, Dry Crk area, ridge W side of Dry Creek Valley, N of Dorman Canyon on Bradford Mt 244 Comment
  CAS-BOT-BC135032  Phoradendron bolleanum Catherine Best 1981-5-2 s.n. Sonoma Harrison Grade Rd 2 miles N of Occidental Comment
  RSA572341  Phoradendron densum Vanessa Ashworth, Nigel Boyle 1994-8-20 55 Sonoma Ca 2.5 miles N of Camp Meeker on Bohemia Hwy from Occidental to Monte Rio. Comment
  UCD160920  Phragmites australis James A. Neilson Jr. 1975-7-8 3383 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  UC327  Phyllospadix scouleri Milo S. Baker 1899-6-28 Sonoma near mouth of Russian River Comment
  CAS-BOT-BC140630  Physocarpus capitatus Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  UC1193198  Pickeringia montana R. H. Neuns 1950-5-17 110 Sonoma 4 mi e of The Geysers; Quad. 60B4 975 Comment
  CAS-BOT-BC202278  Pickeringia montana var. montana W. W. Carruth 1899-7-1 s.n. Sonoma Geysers Comment
  CAS-BOT-BC176154  Picris echioides Peter Rubtzoff 1955-9-24 2155 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC78331  Pinus attenuata Peter H. Raven 1954-2-27 6430 Sonoma on north side of Hooker Creek, Hoods Peak Range 609 Comment
  CDA18781  Pinus attenuata G. F. Hrusa, R. Gross 2000-2-6 s.n. Sonoma North Coast Ranges; Mt. St. Helena, 1/4 mile N of Ida Clayton Rd Summit. 0 Comment
  RSA394829  Pinus muricata var. borealis D. Axelrod 1983-7-7 E- 3 Sonoma Vicinity Salt Point, Sate Highway 1. 76 Comment
  UCD158878  Pinus ponderosa James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2900 Sonoma Mayacmas Mountains; northeast corner of Section 15, southwest of The Geysers. (Elevation estimated by label maker using Google Earth.) 609 Comment
  UCD138999  Piperia elegans K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC361422  Piperia elongata Greg de Nevers 1993-7-8 10472 Sonoma Field redacted by CAS, contact the data manager for more information 400 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-BC157651  Plagiobothrys Peter Rubtzoff 1971-5-8 6449 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  CAS-BOT-BC376421  Plagiobothrys Greg de Nevers 1989-4-1 9056 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  RSA785901  Plagiobothrys Peter Rubtzoff 1972-4-23 6735 Sonoma 4.25 mi. W. of Glen Ellen on Bennett Valley road Comment
  UCD166131  Plagiobothrys Peter Rubtzoff 1969-5-3 6015 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCR255871  Plagiobothrys Greg de Nevers 1992-5-24 10155 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 476 Comment
  CAS-BOT-BC157649  Plagiobothrys Peter Rubtzoff 1971-5-8 6430 Sonoma E foothills of Sonoma Mtns. On Sobre Vista Road, 0.9 mi. W of Arnold Drive. Comment
  CAS-BOT-BC166952  Plagiobothrys Peter Rubtzoff 1969-6-15 6090 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  SEINET3101780  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-12 s.n Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  JEPS61007  Plagiobothrys greenei Milo S. Baker 1927-5-8 2131 a Sonoma road summit near Bennett Valley Comment
  UC577956  Plagiobothrys nothofulvus H. S. Yates 1934-4-22 3842 Sonoma two mi s Mark West; Calistoga Quad. 152 Comment
  RSA620967  Plagiobothrys reticulatus Peter Rubtzoff 1960-5-18 4375 Sonoma Bodega Head Marsh. Comment
  UCR118958  Plagiobothrys tenellus Beecher Crampton 1955-4-5 2409 Sonoma Santa Rosa Area, 3 miles west of Fulton, along Woolsey Road, just below Mount Olivet School 61 Comment
  RSA783741  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6095 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  CAS-BOT-BC258017  Plantago Peter Rubtzoff 1959-9-19 4273 Sonoma Vacation Beach, near Guerneville, along margins of pool on the Russian River bottom. Comment
  UC730020  Plantago erecta Leo F. Koch 1940-4-24 847 Sonoma just n Warfield Station Comment
  JEPS7135  Plantago lanceolata W. L. Jepson 1921-9-12 9479 Sonoma Alexander Valley 45 Comment
  CAS-BOT-BC92123  Platystemon californicus Walter Knight; Irja Knight 1963-8-13 178 Sonoma Horseshoe Cove. Comment
  UC118434  Platystemon californicus Katharine Brandegee 1905-6-25 Sonoma Bodega Head; Cliffs of Bodega Head Comment
  UC118438  Platystemon californicus T. S. Brandegee May 1890 Sonoma Cloverdale Comment
  CAS-BOT-BC92125  Platystemon californicus Peter H. Raven 1955-3-20 8242 Sonoma One mile west of Schelville. Comment
  UCSB50178  Platystemon californicus Gray, John 1976-5-1 Sonoma Duncan's Landing; near parking lot; T 6N R 11W 15 Comment
  UCSB50225  Platystemon californicus Gray, John 1976-5-1 Sonoma Bluffs above Duncan's Landing State Beach; T6N R11W 15 Comment
  CAS-BOT-BC371445  Plectritis macrocera Greg de Nevers 1998-5-12 11244 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  HSC10608  Pleuropogon californicus L. S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  UCD90157  Pleuropogon californicus G. F. Hrusa 1996-3-29 12739 Sonoma Napa Valley bottom, immediately S of Tubbs Lane, approximately 2 m. NW of Calistoga. 110 Comment
  UCD90170  Pleuropogon californicus David L. Morgan 1961-4-25 s.n. Sonoma near Stemple Creek, 3 miles southwest of Cotati. Comment
  CAS-BOT-BC260967  Pleuropogon californicus var. californicus John R. Reeder; Charlotte G. Reeder 1973-5-28 6197 Sonoma Ca. 12 miles S of Dixon, ca. 1 mile SW of Dozier Station 30 Comment
  CAS-BOT-BC260971  Pleuropogon californicus var. californicus Peter Rubtzoff 1961-5-24 4601 Sonoma Upper Stemple Creek Marsh Comment
  UCD90193  Pleuropogon californicus var. californicus R. Tofsrud 1949-4-1 s.n. Sonoma south of East Windsor. Comment
  CAS-BOT-BC422342  Poa Peter Rubtzoff 1976-5-30 8560 Sonoma Kenwood Marsh. 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
  JEPS71268  Poa annua Virginia Bufford 1932-9-23 574 Sonoma 4 mi sw Santa Rosa Comment
  UC1146600  Poa douglasii Freed W. Hoffman 1944-7-2 1983 Sonoma near entrance to Bodega Bay Comment
  SEINET10659229  Poa douglasii A. Arthur Heller 1902-5-29 Heller 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
  CAS-BOT-BC256032  Poa pratensis Peter Rubtzoff 1961-5-24 4594 Sonoma Upper Stemple Creek Marsh Comment
  CAS-BOT-BC256037  Poa pratensis Peter Rubtzoff 1960-6-8 4465 Sonoma Fife Creek Marsh Comment
  RSA126922  Poa secunda H. S. Yates 1934-4-22 s.n. Sonoma 2 miles S. of Mark West 152 Comment
  CAS-BOT-BC243247  Poa secunda subsp. secunda John Thomas Howell; et al. 1981-5-14 54024 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-BC243253  Poa secunda subsp. secunda G. DeNevers 1981-5-9 1105 Sonoma Pepperwood Ranch. S of Redwood Canyon Comment
  UC1146599  Poa secunda subsp. secunda Freed W. Hoffman 1942-4-15 2261 Sonoma near Guerneville (Herr Ranch) Comment
  UCD91674  Poa secunda subsp. secunda P. B. Kennedy 1919-8-18 X 3270 Sonoma Chiquita. Comment
  CAS-BOT-BC244194  Poa trivialis Peter Rubtzoff 1962-5-25 4831 Sonoma Laguna de Santa Rosa N of Sebastopol, near Occidental Road crossing Comment
  CAS-BOT-BC244195  Poa trivialis Peter Rubtzoff 1959-6-13 4121 Sonoma Willow Creek Marsh Comment
  RSA227196  Poa trivialis Peter Rubtzoff 1955-6-26 1905 Sonoma Duncan Mills Marsh. Comment
  UCD36686  Poa trivialis Beecher Crampton 1955-6-17 2939 Sonoma Sonoma County, 0.5 mile south of Guerneville. Comment
  JEPS81440  Pogogyne douglasii L. R. Heckard 1982-7-24 5827 A Sonoma Old Naval Air Station Comment
  SDSU19283  Pogogyne douglasii Scott McMillan 1993-6-10 10 VI93A Sonoma Bennett Rd. north of Glen Ellen. Comment
  RSA264762  Pogogyne douglasii subsp. parviflora Peter Rubtzoff, Tim Tunison, Nancy Harrison 1976-6-5 8585 Sonoma False Lake Meadow area, Annadel State Park. Comment
  POM233136  Pogogyne douglasii subsp. parviflora Lyman Benson 1930-6-18 2164 Sonoma South of Santa Rosa. 61 Comment
  UC450157  Polygala californica Miss C. M. Hoak August 1912 Sonoma Monte Rio Comment
  POM138562  Polygala californica Milo S. Baker 1898-5-8 601 Sonoma Glen Ellen Comment
  CAS-BOT-BC110531  Polygonum Peter Rubtzoff 1975-8-28 8363 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC540806  Polygonum Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7847 Sonoma Kenwood Marsh. Comment
  UC1562675  Polygonum aviculare subsp. aviculare Barbara Ertter 1988-11-5 8026 Sonoma point below Little Flat parking area (w of bridge, ca 5 air mi due s of Cloverdale); Lake Sonoma 152 Comment
  UCD166508  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1956-9-14 2887 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC414117  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1954-7-27 1579 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC414317  Polygonum aviculare subsp. neglectum Peter Rubtzoff 1959-6-20 4161 Sonoma Willow Creek Marsh Comment
  RSA472717  Polygonum paronychia E. A. Purer 1932-7-24 15967 Sonoma Bodega Bay. Comment
  UC1446025  Polypodium Ed Lee 1978-12-2 4776 Sonoma e Santa Rosa (Annadel State Park, Spring Creek Trail ca. 50 m s of Canyon Trail jct.); Annadel State Park Comment
  JEPS76924  Polypodium calirhiza Robert M. Lloyd 1963-2-24 2055 Sonoma 4 mi. s. of State Hwy. 12 on State Hwy. 1 (above hwy.) 15 Comment
  HSC34928  Polypodium glycyrrhiza Thomas W. Nelson, James Nelson 1975-3-25 1762 Sonoma Beside Hwy. 128, E of Geyserville at the Sonoma-Napa Co. line Comment
  JEPS60082  Polypodium scouleri Alice Griffin 1924-9-1 Sonoma Stewart's Point Comment
  UC1784201  Polypodium scouleri Ethel Crum 1930-1 748 Sonoma Petaluma Comment
  CAS-BOT-BC361407  Polypogon Greg de Nevers 1997-5-23 11006 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. In Three Hill vernal pool 457 Comment
  CAS-BOT-BC233189  Polypogon interruptus Peter Rubtzoff 1951-6-16 220 Sonoma Pitkin Marsh, near Forestville, N half of Lower Marsh Comment
  RSA129381  Polypogon interruptus H. S. Yates 1937-6-6 6584 Sonoma 3 miles east of Jenner. 61 Comment
  UC971701  Polypogon interruptus Leo Koch 1940-6-5 1012 Sonoma along Highway 101, three mi n Santa Rosa (near pond in hills behind Fountaingrove Vineyard); hills behind Fountaingrove Vineyard Comment
  CAS-BOT-BC233188  Polypogon interruptus Mary P. Wells 1982-8-23 s.n. Sonoma Stump Beach, Salt Point State Park Comment
  UCD51671  Polypogon interruptus Collector unknown 1941-10-1 Sonoma Santa Rosa Creek by S.P. R.R. 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-BC237404  Polypogon monspeliensis Peter Rubtzoff 1951-8-19 642 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh Comment
  CAS-BOT-BC237405  Polypogon monspeliensis Peter Rubtzoff 1960-10-29 4574 Sonoma Bodega Harbor Marsh Comment
  SEINET8465033 Image available Polypogon monspeliensis G. K Helmkamp, E. A. Helmkamp 2010-6-4 16224 Sonoma North Coast Ranges; Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  UCD91320  Polypogon monspeliensis Mary M. Hektner 1974-6-28 79 A Sonoma In gravel yard adjacent to the B. Kirkwood House; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD91338  Polypogon monspeliensis P. B. Kennedy 1920-6-16 X 3252 Sonoma Santa Rosa; Field -- Campus -- Berkeley Comment
  CAS-BOT-BC237613  Polypogon viridis Peter Rubtzoff 1960-6-5 4439 Sonoma Laguna de Santa Rosa are NE of Graton, near the Laguna Road Comment
  CAS-BOT-BC72169  Polystichum californicum Walter Knight; Irja Knight; Dr. Stephen W. Edwards 1986-8-17 5510 Sonoma 4.85 miles from end of Mill Creek Road Comment
  SEINET11718544  Polystichum californicum W. Knight, Knight, I.; Edwards, S. W. 1986-1 5509 Sonoma 2.75 mi from end of Mill Creek Road Comment
  CAS-BOT-BC72484  Polystichum munitum Peter Rubtzoff 1952-3-22 862 Sonoma bordering the Upper Marsh in the west Comment
  UCD19303  Polystichum munitum Terry Reedy 1974-5-11 236 Sonoma Bodega Head, shady gully south of road to Field Station. 12 Comment
  UCD164983  Potamogeton nodosus Peter Rubtzoff; Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7812 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC272848  Potamogeton nodosus Peter Rubtzoff 1974-6-22 7619 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC454083  Potamogeton pusillus subsp. pusillus Peter Rubtzoff 1961-5-24 4610 Sonoma Upper Stemple Creek Marsh. Comment
  SD39940  Potentilla anserina Edith A. Purer 1932-7-24 4071 Sonoma Near Bodega Bay, established dunes Comment
  CAS-BOT-BC141952  Potentilla anserina subsp. pacifica Peter Rubtzoff 1954-8-9 1659 Sonoma Bodega Head Marsh - Sonoma County Marshes Comment
  RSA0084031  Potentilla uliginosa Milo S. Baker 1946-8-17 11550 Sonoma Cunningham Marsh within the fenced area (Camp Ground) ca 1.5 mi west of town of Cunningham, S.[?] Sonoma Co. on ranch owned by Mr. Uoit[?]. Comment
  CAS-BOT-BC516399  Prosartes hookeri G. DeNevers 1981-4-11 693 Sonoma Road below Lower Orchard, Pepperwood Ranch Comment
  UCSB29336  Prunella vulgaris Hook, J. 1972-6-25 Sonoma Salt Point State Park; 18 miles N. of Russian River; on Hwy 1 8 Comment
  NY622090  Prunella vulgaris var. atropurpurea A. A. Heller 1902-6-4 5639 Sonoma Santa Rosa Comment
  RSA135471  Prunella vulgaris var. lanceolata Volney Rattan 1877-6-16 s.n. Sonoma Guerneville Comment
  UC25627  Prunella vulgaris var. lanceolata J. Burtt Davy 1894-6-17 Sonoma Knights Valley Comment
  CAS-BOT-BC368069  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. 400 Comment
  OBI32526  Pseudognaphalium californicum Dave Morse 1972-7-29 5 Sonoma One mi NE of Cloverdale, on hwy 128 91 Comment
  CAS-BOT-BC356926  Pseudognaphalium californicum G. DeNevers 1981-6-15 1556 Sonoma Pepperwood Ranch. Along road from Bald Hills to Franz Valley Creek Comment
  CAS-BOT-BC361616  Pseudognaphalium stramineum Roxana S. Ferris 1937-8-18 9375 Sonoma At mouth of Salmon Creek on Bodega Bay Comment
  CAS-BOT-BC361621  Pseudognaphalium stramineum John H. Thomas 1976-6-17 18348 Sonoma Near northern end of Sea Ranch, northwestern part of Sonoma County, about 4 miles south of Gualala Comment
  UCD148405  Pseudognaphalium stramineum Peter Rubtzoff 1958-8-16 3884 Sonoma Laguna de Santa Rosa, north of Sepastopol, near Occidental Road. Comment
  CAS-BOT-BC80184  Pseudotsuga menziesii A. A. Heller; H. E. Brown 1902-3-31 5188 Sonoma Mt. Hood Comment
  CAS-BOT-BC80180  Pseudotsuga menziesii Irja Knight; Walter Knight 1964-11-9 801 Sonoma Adjacent to old Ocean School, Willow Creek Road 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
  NY63889  Pseudotsuga menziesii var. menziesii A. A. Heller 1902-3-31 s.n. Sonoma Mt. Hood Comment
  CAS-BOT-BC166710  Psilocarphus Peter Rubtzoff 1959-6-20 4150 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC176135  Psilocarphus Peter Rubtzoff 1974-5-26 7489 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC361729  Psilocarphus brevissimus var. brevissimus J. W. Congdon 1880-5-24 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC362072  Psilocarphus tenellus Alice Eastwood 1921-5-8 10466 Sonoma Petaluma Comment
  CAS-BOT-BC164677  Pteridium Peter Rubtzoff 1971-9-3 6699 Sonoma Southeastern border of Spring Creek Reservoir area. Comment
  UCD166105  Pteridium Peter Rubtzoff 1971-9-3 6699 Sonoma Southeastern border of Spring Creek Reservoir area. Comment
  UCR222561  Pyracantha fortuneana George K. Helmkamp, E. A. Helmkamp 2010-6-5 16254 Sonoma North Coast Ranges, junction of Martinelli Road and River Road, 4.65 air mi. due east of Guerneville 9 Comment
  CAS-BOT-BC376344  Pyrola picta Greg de Nevers 1998-6-24 11293 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Northeast of old dump on road to Grouse Hill. 400 Comment
  UC424815  Quercus X morehus unknown 1930-3-1 3880 Sonoma Vine Hill Region, on <?>rei Ranch Vine Hill Region Comment
  JEPS37365  Quercus agrifolia Miss R. Kuhn 1913-10-1 Sonoma Sonoma Valley Comment
  UC1193299  Quercus agrifolia P. Zinke 1950-4-25 116 Sonoma 4 mi e Cloverdale (Quad. 61A4) 365 Comment
  UC1193300  Quercus agrifolia P. Zinke 1950-4-25 111 Sonoma Pine Mt. Road, Quad 61A4 487 Comment
  SEINET12030396  Quercus agrifolia W. Knight, Knight, I.; Howell, J. T. 1984-1 s.n. Sonoma 0.4mi up Cavedale Rd from Hwy-12 91 Comment
  UCD45473  Quercus chrysolepis Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1774 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trailhead along Adobe Canyon Road S of Sonoma Creek. Elev: 650', reletively flat. Canyon Live Oak. Native. 198 Comment
  OBI70567  Quercus durata var. durata D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .283 Sonoma Cavedale Rd 518 Comment
  UCD45949  Quercus durata var. durata A. R. Kruckeberg 1947-5-4 1437 Sonoma On first serpentine outcrop on Ida Clayton Road (from Kellogg to Middletown) from Knights Valley, in Sonoma (?) County, California. Comment
  UCSB24433  Quercus durata var. durata McMinn, Howard 1938-9-5 Sonoma Hood Mountain Range Comment
  UCR265130  Quercus garryana Ann Howald 2015-4-1 3329 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage 318 Comment
  OBI14250  Quercus garryana var. garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 mi NE of Penngrove 366 Comment
  UCD46117  Quercus garryana var. garryana Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 74 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail S of Sonoma Creek about 1/8 mile from beginning of trail. 381 Comment
  CAS-BOT-BC105477  Quercus kelloggii Walter Knight; Irja Knight 1963-9-1 150 Sonoma Pine Mt. Rd. NE of Cloverdale, Harold Smith Ranch Comment
  UC72503  Quercus kelloggii Miss K. Jones 1904-8-1 Sonoma Mt. Olivet Comment
  CDA6114  Quercus lobata D. G. Kelch 2007-5-13 7 .292 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  RSA169363  Quercus lobata L. S. Rose 1964-6-27 64059 Sonoma 2 miles north of Sonoma. 274 Comment
  SEINET12030240  Quercus lobata W. Knight, Knight, I. 1984-1 5159 Sonoma Joosb Ranch,Calistoga Road 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
  UCD161308  Ranunculus aquatilis James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3695 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  UC729243  Ranunculus californicus A. A. Heller 1938-5-14 15082 Sonoma on bluff n Bodega Bay Comment
  CAS-BOT-BC378685  Ranunculus californicus var. californicus Mrs. H. C. Cantelow 1940-4-20 4250 Sonoma about 0.67 mi north of Bay Highway 1 Comment
  CAS-BOT-BC83410  Ranunculus lobbii Peter Rubtzoff 1961-5-24 4609 Sonoma Upper Stemple Creek Marsh. Comment
  CDA11315  Ranunculus lobbii G. F. Hrusa, A. Buckman, R. Gross 1995-4-1 12030 Sonoma North Coast Biodiversity Arena; Laguna de Santa Rosa. Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. Comment
  UCR72032  Ranunculus lobbii Peter Rubtzoff 1962-4-11 4796 Sonoma Americano Creek area just south of Bloomfield. Open pond near Petaluma(?)-Valley Ford Road Comment
  HSC82071  Ranunculus muricatus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5123 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  UC1542899  Ranunculus muricatus H. E. and S. T. Parks 1930-5-9 617 Sonoma Alexander Valley; on creek entering valley Comment
  SEINET7067254  Ranunculus occidentalis A. G. Vestal 1947-5-13 s.n. Sonoma About 0.6 miles north of Annapolis and towards Bushy Ridge. Coordinate datum: NAD27. Comment
  SEINET6908795  Ranunculus occidentalis var. occidentalis A. G. Vestal, Wanda P. Vestal 1962-4-12 s.n. Sonoma Shoulder of Mark West Springs Road toward Calistoga, 6.4 miles northeast of Route 101 or 10 miles north of Santa Rosa. Comment
  POM202755  Ranunculus orthorhynchus var. bloomeri I. L. Wiggins 1932-3-12 5758 Sonoma Hillside between Calistoga and Knight's Valley. Comment
  POM282757  Ranunculus orthorhynchus var. bloomeri I. L. Wiggins 1932-3-12 2512 Sonoma roadside ditch, Knight's Valley Comment
  UC118200  Ranunculus pusillus Mich. and Bioletti 1892-5-1 Sonoma Shellville Comment
Read comments
Jul 22 2010
  CHSC91408  Raphanus sativus Richard R. Halse 1987-2-22 3376 Sonoma Along State Hwy. 121, .4 mile E of its junction with State Hwy. 116 at Big Bend in the Sonoma Valley. 6 Comment
  SEINET11522461  Raphanus sativus Richard R. Halse 1987-2-22 3376 Sonoma Sonoma Valley, along State Hwy 121, 0.4 mile E of its junction with State Hwy 116 at Big Bend. 6 Comment
  CAS-BOT-BC55941  Rhamnus crocea Walter Knight; Irja Knight 1963-12-27 458 Sonoma Pine Flat Rd. Comment
  SBBG50850  Rhododendron neoglandulosum M. Yeargan 1973-5-30 83 Sonoma 3 mi SE of town of Stewarts Point 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-BC200347  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-2 89 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC227170  Rhododendron occidentale var. occidentale G. F. Hrusa 1988-4-22 5569 Sonoma Cavedale Rd. between Hwy 12 and Hwy 29 300 Comment
  RSA71061  Rhododendron occidentale var. paludosum L. S. Rose 1951-6-7 51013 Sonoma Pitkin Marsh, 5 miles N of Sebastopol. Comment
  CAS-BOT-BC111864  Rhynchospora alba Peter Rubtzoff 1951-7-1 340 Sonoma Pitkin Marsh; Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC111865  Rhynchospora alba Herbert L. Mason 1946-7-4 12880 Sonoma Pitkin Marsh; between Santa Rosa and Forestville. Comment
  CAS-BOT-BC111906  Rhynchospora capitellata Peter Rubtzoff 1951-6-16 253 Sonoma Pitkin Marsh; uppermost part of the western branch of the Upper Marsh. Comment
  UC1042503  Rhynchospora capitellata Peter Rubtzoff 1951-7-1 325 Sonoma lower part Upper Marsh (near Forestville); Pitkin Marsh Comment
  UCD141233  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh. Comment
  UCD141234  Rhynchospora capitellata Herbert L. Mason 1946-7-4 12881 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  CAS-BOT-BC111934  Rhynchospora recognita Peter Rubtzoff 1951-6-30 321 Sonoma Pitkin Marsh, lower part of the Upper Marsh Comment
  CAS-BOT-BC111935  Rhynchospora recognita Peter Rubtzoff 1951-7-21 506 Sonoma Pitkin Marsh, Damp, open area between the Upper and Lower Marshes. Comment
  POM142001  Ribes californicum H. E. Brown, A. H. Heller 1902-3-10 6335 Sonoma [Unspecified] Comment
  CAS-BOT-BC168999  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1952-3-23 899 Sonoma Damp area north of the Lower Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC169003  Ribes divaricatum var. pubiflorum G. DeNevers 1981-6-20 1579 Sonoma At confluence of Leslie Creek and Mark West Creek, Pepperwood Ranch Comment
  CAS-BOT-BC212921  Ribes menziesii John Thomas Howell 1934-3-3 11737 Sonoma 8 miles south of Fort Ross Comment
  UC75436  Ribes menziesii Milo S. Baker 1898-4-3 24 Sonoma between Forestville and Guerneville Comment
  UC1299687  Ribes roezlii Freed W. Hoffman 1947-3-6 808 Sonoma near Guerneville (road to McCray Cabin, headwaters of Gilliam Creek); North Coast Ranges Comment
  RSA0024576  Ribes roezlii var. cruentum R. C. Bacigalupi 1926-3-28 1268 Sonoma Patton s Toll House along old road. Mt. St. Helena. Comment
  JEPS76923  Ribes sanguineum var. glutinosum Robert M. Lloyd 1963-2-24 2056 Sonoma 4 mi s State Highway 12 (above State Highway 1) 15 Comment
  UCSB2662  Ribes sanguineum var. glutinosum Keator, Glenn 1959-4-1 Sonoma Near lumber mill; 1.8 miles north of Fort Ross monument; on highway 1 Comment
  CAS-BOT-BC344963  Rorippa curvisiliqua Peter Rubtzoff 1976-9-25 8902 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC74710  Rorippa curvisiliqua Peter Rubtzoff 1970-5-30 6242 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC74714  Rorippa curvisiliqua Peter Rubtzoff 1974-6-2 7517 Sonoma Upper Green Valley Marsh. Comment
  UC117540  Rorippa palustris Michener and Bioletti 1892-5-15 Sonoma S. L. G. Comment
  CAS-BOT-BC152663  Rosa californica Peter Rubtzoff 1958-7-5 3730 Sonoma Atascadero Creek marsh Comment
  CAS-BOT-BC152670  Rosa californica Walter Knight; Irja Knight 1963-10-3 351 Sonoma Bennett Valley Comment
  UC467687  Rosa californica Milo S. Baker 1898-6-1 595 Sonoma Santa Rosa Cemetery Comment
  CDA3957  Rosa eglanteria T. C. Fuller 1966-6-2 14851 Sonoma South side of road to Valley Ford, 2 miles west of Two Rock. 0 Comment
  RSA240594  Rosa gymnocarpa C. W. Tilforth, J. Dourley 1973-7-18 911 Sonoma 1 mile E of Occidental. Along Graton Rd. Comment
  CAS-BOT-BC148202  Rosa rubiginosa Peter Rubtzoff 1955-6-4 1898 Sonoma Stony Piont Marsh Comment
  NY415883  Rosa sonomensis L. Greene 1888-9-30 s.n. Sonoma Comment
  UC903698  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma top of Rose Butte Hood Mtn. (w slope of mt.) 243 Comment
  CAS-BOT-BC262812  Rubus Peter Rubtzoff 1954-7-27 1590 Sonoma Guerneville Marsh; north end of marsh. Comment
  UCD166412  Rubus Peter Rubtzoff 1960-5-16 4357 Sonoma Duncans Mills Marsh; upper portion of the marsh. Comment
  CAS-BOT-BC156602  Rubus bifrons Peter Rubtzoff 1951-6-30 289 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  UCD17946  Rubus discolor H. Olmo; T. S. Mallah 1953-4-3 53 64 Sonoma California. Sonoma County: 0.5 miles north of city limits in Rio Del. Comment
Read comments
Aug 27 2013
  CAS-BOT-BC147992  Rubus leucodermis H. E. McMinn 1922-6-17 191 Sonoma By Monte Rio Comment
  UCD17812  Rubus leucodermis H. Olmo 8-10 May 1962 62 07 Sonoma California. Sonoma County: 7.4 miles from junction of road to Fort Ross, in Cazadero. Near entrance to Horseshoe Ranch. Comment
  SBBG3105  Rubus parviflorus N. F. Sommer 1954-5-15 76 Sonoma St Hwy 12, park at N edge of Occidental 30 Comment
  SEINET11910988  Rubus procerus F. H. Utech 1986-1 86 -118 Sonoma ca 6 mi NE on Cavedale Road from junction with CA 12 600 Comment
  RSA800355  Rubus spectabilis Peter Rubtzoff 1959-6-6 4089 Sonoma Willow Creek Marsh. Comment
  UC73079  Rubus spectabilis Milo S. Baker 1899-6-26 Sonoma Russian River , at its mouth (at its mouth) Comment
  CAS-BOT-BC157179  Rubus ursinus Volney Rattan 1877-6-17 s.n. Sonoma Guerneville Comment
  UC666159 Image available Rubus ursinus S. W. Brown 1942-6-28 42015 Sonoma in ravine 15 mi n Fort Ross; ; Ft. Ross Comment
  UCD114018  Rubus ursinus M. Wiesendanger 1927-5-5 723 Sonoma Kenwood Springs. Comment
  UCD17810  Rubus ursinus H. Olmo 8-10 May 1962 62 04 Sonoma California. Sonoma County: 1.4 miles from Bridgehaven Restaurant turnoff, heading north. Comment
  CAS-BOT-BC173544  Rumex Peter Rubtzoff 1964-6-24 5387 Sonoma Coleman Marsh. Salmon Creek. Comment
  CAS-BOT-BC376293  Rumex Greg de Nevers 1995-8-1 10764 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Skovie 487 Comment
  RSA783793  Rumex Peter Rubtzoff 1955-8-7 2029 Sonoma Guerneville Marsh. Along Pocket Canyon. Comment
  UCD166303  Rumex Peter Rubtzoff 1966-8-20 5793 Sonoma Boggs Lake. On south side of lake. Comment
  CAS-BOT-BC164374  Rumex Peter Rubtzoff 1964-7-29 5449 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC166655  Rumex Peter Rubtzoff 1958-8-31 3947 Sonoma Atascadero Creek Marsh. Comment
  UC1042523  Rumex acetosella Peter Rubtzoff 1951-7-7 376 Sonoma near Forestville (e branch of Upper Pitkin Marsh); Pitkin Marsh Comment
  CAS-BOT-BC422237  Rumex acetosella Blanca Barrell 1982-8-7 s.n. Sonoma The Sea Ranch Comment
  SD39768  Rumex acetosella E. A. Purer 1932-7-21 4039 Sonoma Bodega Bay Comment
  UCD100990  Rumex acetosella Frederica Bowcutt 1994-5-21 1827 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. 1 mile from trailhead. 396 Comment
  UCD101060  Rumex acetosella Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 72 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail S of Sonoma Creek about 1/8 mile from beginning of trail. 381 Comment
  CAS-BOT-BC421581  Rumex crassus Walter Knight; Irja Knight 1963-8-13 179 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC433868  Rumex salicifolius John Thomas Howell 1957-10-12 32997 Sonoma About 1 mi. sw. of Sonoma Comment
  POM37358  Rupertia physodes Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC239855  Rytidosperma penicillatum R. E. Frenkel 1964-6-23 623 Sonoma On Seaview Road, 3.1 miles north of Fort Ross Road 396 Comment
  CAS-BOT-BC239854  Rytidosperma penicillatum Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch Comment
  RSA94644  Sagina decumbens subsp. occidentalis Peter Rubtzoff 1951-7-14 448 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  UC814581  Sagittaria Milo S. Baker 7972 Sonoma Gravenstein Highway just n Cunningham Station Comment
  RSA247450  Sagittaria cuneata Peter Rubtzoff 1971-7-9 6594 Sonoma 5 miles north of Sears Point. Comment
  RSA227245  Sagittaria latifolia Peter Rubtzoff 1955-8-28 2111 Sonoma Forestville Marsh Comment
  CAS-BOT-BC126266  Salix X sepulcralis W. A. Setchell 1934-3-17 s.n. Sonoma Valley Ford Road, six miles from Petaluma Comment
  POM209562  Salix babylonica W. A. Setchell 1934-3-17 s.n. Sonoma Valley Ford Road. 6 miles from Petaluma. Comment
  CAS-BOT-BC103092  Salix bonplandiana Peter Rubtzoff 1960-5-29 4421 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC102863  Salix breweri John Thomas Howell 1933-4-2 10940 Sonoma slopes of Mt. Hood, Sonoma Creek Canyon Comment
  CDA42345  Salix exigua D. G. Kelch 2012-5-2 12 .066 Sonoma Dry Creek Valley; near Preston Organic Winery along tributary of Dry Creek. Comment
  CAS-BOT-BC103842  Salix exigua subsp. melanopsis Peter Rubtzoff 1952-6-15 1266 Sonoma Fitch Mtn., near Healdsburg. Bank of Russian River Comment
  UC1196603  Salix exigua var. hindsiana Joseph P. Tracy 1935-8-18 14742 Sonoma along creek w of Knight's Valley; Northern Coast Ranges 152 Comment
  CAS-BOT-BC107752  Salix hindsiana H. E. McMinn 1922-6-7 182 Sonoma Along Russian River near Guerneville Comment
  CAS-BOT-BC107800  Salix hindsiana Ball; Bracelin; Parks 1931-4-21 38 Sonoma Mayacama Creek, 25 km. northwest of Calistoga, in ravine above creek Comment
  CAS-BOT-BC106847  Salix hookeriana Mary P. Wells 1981-4-18 s.n. Sonoma Draw, Unit 24, The Sea Ranch Comment
  UCSB10868  Salix lasiandra Baker, Milo; Ball, Carleton; Bracelin, H. 1931-5-9 Sonoma About 2 km east of Bodega Bay Comment
  UC1134978  Salix lasiandra subsp. lasiandra H. S. Yates 1934-4-21 3817 Sonoma near Monte Rio; Duncan Mills Quad. Comment
  UC1356332  Salix lasiandra subsp. lasiandra Theodore J. Crovello 1964-4-11 399 Sonoma a few mi. e. Bodga Bay (along CA Hwy. 1); Cheney Gulch, Cheney Creek Comment
  CAS-BOT-BC128099  Salix lasiandra var. lasiandra Peter Rubtzoff 1952-3-23 891 Sonoma Pitkin Marsh, near Forestville, opening south of the Upper Marsh Comment
  CAS-BOT-BC107090  Salix lasiolepis Mary P. Wells 1987-2-21 857 Sonoma South side of Spring Lake, Santa Rosa Comment
  CAS-BOT-BC107098  Salix lasiolepis A. A. Heller 1902-3-11 5025 Sonoma Hills two miles east of Santa Rosa Comment
  CAS-BOT-BC107099  Salix lasiolepis Peter Rubtzoff 1952-3-23 872 Sonoma Lower part of the Upper Marsh 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
  SEINET5633134 Image available Salix lasiolepis A. A. Heller 1902-1 2738 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC107344  Salix lasiolepis var. bigelovii C. R. Ball; B. S. Ball 1933-5-6 2502 Sonoma 4 miles SW of Calistoga, on road to Petrified Forest, and just over Napa County line Comment
  CAS-BOT-BC107345  Salix lasiolepis var. bigelovii C. R. Ball; B. S. Ball 1933-5-6 2502 Sonoma 4 miles SW of Calistoga, on road to Petrified Forest, and just over Napa County line Comment
  CAS-BOT-BC107356  Salix lasiolepis var. bigelovii A. A. Heller 1902-3-28 5177 Sonoma Bodega Bay Comment
  RSA534503  Salix lasiolepis var. bigelovii Peter Rubtzoff, T. J. Covello 1964-9-3 5495 Sonoma Bodega Bay Marsh. Comment
  RSA534504  Salix lasiolepis var. bigelovii Peter Rubtzoff 1962-5-11 4812 Sonoma Laguna de Santa Rosa. E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC128318  Salix lasiolepis var. lasiolepis W. A. Setchell 1933-7-2 1 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  SBBG29046  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Russian River, Bohemian Grove, near Monte Rio Comment
  CAS-BOT-BC126182  Salix scouleriana Peter Rubtzoff 1955-8-13 2048 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC126187  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 343 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  SD881  Salix scouleriana Baker, Ball, Bracelin, Crum 1931-5-9 342 Sonoma Two km east of Occidental, on Occidental Grade, arroyo bank Comment
  CAS-BOT-BC128904  Salix sitchensis Ball; Bracelin; Parks & Parks 1931-4-21 36 Sonoma Maacama Creek, 25 km. northwest of Calistoga Comment
  CAS-BOT-BC128905  Salix sitchensis Ball; Bracelin; Parks & Parks 1931-4-21 35 Sonoma Maacama Creek, 25 km. northwest of Calistoga Comment
  CAS-BOT-BC128944  Salix sitchensis Peter Rubtzoff 1970-8-25 6345 Sonoma Austin Creek margin 1/2 mile north of Cazadero Comment
  CAS-BOT-BC128945  Salix sitchensis Peter Rubtzoff 1970-8-25 6344 Sonoma Austin Creek margin 1/2 mile north of Cazadero Comment
  JEPS86742  Salix sitchensis Jack and Betty Guggolz 1990-6-22 1076 Sonoma ca. 12 km. e Healdsburg (next to Redwood Creek just above its confluence with Maacamas Creek); Ferrari-Carano Ranch 73 Comment
  SD985  Salix sitchensis Baker, Ball, Bracelin, Crum 1931-5-9 344 Sonoma About 2 km east of Bodega Bay, creek bed Comment
  UC1173578  Salix sitchensis Joseph P. Tracy 1935-8-18 14743 Sonoma w. of Knight's Valley (Mayacamas Creek); Mayacamas Creek 152 Comment
  UC453107  Salix sitchensis W. A. Setchell 1931-7-31 21 Sonoma Bodega Bay Comment
  CAS-BOT-BC376260  Salpichroa origanifolia Greg de Nevers 1991-5-14 9749 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. At Ward House 475 Comment
  POM63368  Salvia columbariae A. A. Heller, H. E. Brown 1902-4-4 s.n. Sonoma Hills east of Santa Rosa Comment
  CHSC21957  Salvia sonomensis Robert A. Schlising 1962-3-31 2114 Sonoma California Coast Range. Along Cavedale Road, NE of Agua Caliente. Comment
  SEINET12327819  Salvia sonomensis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -099 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  CAS-BOT-BC245883  Sambucus nigra subsp. caerulea Walter Knight; Irja Knight 1963-9-1 145 Sonoma Pine Mt. Rd., NE of Cloverdale, Harold Smith Ranch Comment
  UCD137236  Sambucus nigra subsp. caerulea C. Wistrom 1996-5-26 31 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  CDA3952  Sanguisorba minor subsp. muricata T. C. Fuller 1965-11-9 14270 Sonoma Redwood Highway 101, 5 miles north of Healdsburg. 0 Comment
  SBBG5250  Sanicula arctopoides H. and M. Dearing 1939-5-14 3358 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  CAS-BOT-BC223344  Sanicula bipinnatifida Alice Griffin 1922-4-1 s.n. Sonoma El Verano Comment
  CAS-BOT-BC223345  Sanicula bipinnatifida A. A. Heller; H. E. Brown 1902-3-14 5066 Sonoma Near Windsor Comment
  UCD151099  Sanicula crassicaulis James A. Neilson Jr. 1973-6-3 3003 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 441 Comment
  CDA12824  Sanicula laciniata G. F. Hrusa, R. Gross 1996-3-8 12656 Sonoma North Coast Biodiversity Arena; S side of Foote Creek. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  UCD166462  Saponaria Peter Rubtzoff 1955-9-10 2127 Sonoma Guerneville Marsh. Comment
  RSA799991  Saponaria Peter Rubtzoff 1967-8-18 5849 Sonoma 6 mi east of Guerneville. Comment
  UC1010439  Saxifraga californica Leo Koch 1938-3-20 48 Sonoma 4 mi n of Santa Rosa (Miss Marian Barbours pasture, on Hwy 101, (Ranch)); North Bay Comment
  UC635550  Saxifraga californica H. L. Mason 1931-3-7 5807 Sonoma 12 mi w of Santa Rosa (Vine Hill School); Vine Hill School Comment
  UC71997  Saxifraga californica Milo S. Baker 1898-3-26 682 Sonoma Santa Rosa Comment
  UC21368  Scandix pecten-veneris F. T. Bioletti Jun 1891 Sonoma Kenwood Comment
  UCD65651  Schedonorus arundinaceus Mary M. Hektner; Cathy Hendel 1974-7-24 164 A Sonoma Beside the Kirkwood house, Unit 24 Owners' Map, Sea Ranch, near State Hwy. 1. Comment
  SEINET12337134  Schedonorus arundinaceus W. Knight, Knight, I.; Howell, J. T. 1987-1 6282 Sonoma NE corner Llano & Todd roads 26 Comment
  CAS-BOT-BC283657  Schedonorus pratensis James Jokerst 1985-4-26 2275 Sonoma Near Caldwell Ranch Comment
  CAS-BOT-BC111429  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1963-8-17 s.n. Sonoma Russian River Mouth Marsh Comment
  CAS-BOT-BC111431  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1955-8-6 2017 Sonoma Bodega Head Marsh, open, wet ground. Comment
  CAS-BOT-BC111632  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4573 Sonoma Bodega Harbor Marsh; freshwater part. Comment
  CAS-BOT-BC111400  Schoenoplectus californicus W. Knight; I. Knight 1984-8-26 5427 Sonoma Willow Cr. Road 60 Comment
  CAS-BOT-BC111839  Schoenoplectus tabernaemontani Peter Rubtzoff 1986-9-28 9742 Sonoma Russian River at Forest Hills, 5.5 miles East of Guerneville. Comment
  RSA595079  Schoenoplectus tabernaemontani Peter Rubtzoff 1986-9-28 9742 Sonoma Russian River at Forest hills, 5.5 miles east of Guerneville Comment
  UCR248961  Scirpus maritimus Peter Rubtzoff 1960-10-29 4579 Sonoma Bodega Harbor Marsh 0 Comment
  CAS-BOT-BC111111  Scirpus microcarpus Peter Rubtzoff 1954-6-7 1484 Sonoma Guerneville Marsh Comment
  UCR255659  Scirpus microcarpus Greg de Nevers 1997-4-1 10925 Sonoma Santa Rosa, Pepperwood Ranch, 3450 Franz Valley Road 400 Comment
  RSA94002  Scirpus microcarpus Peter Rubtzoff 1951-6-10 207 Sonoma Pitkin Marsh, near Forestville. A damp opening south of the Upper Marsh. Comment
  SEINET12050504  Scoliopus bigelovii F. H. Utech 1988-1 88 -215 Sonoma Salt Point, along CA 1 between Jenner & Stewart's Point, mile marker 38.39 75 Comment
  SEINET12057679  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -002 Sonoma WNW of Sebastapol, 0.2 mi S of Occidental Road on Furlough Road, Sturgeon's Mill 80 Comment
  SEINET12057693  Scoliopus bigelovii F. H. Utech 1990-5-6 s.n. Sonoma Camp Meeker study site Comment
  CAS-BOT-BC320540  Scrophularia californica Peter Rubtzoff 1953-5-16 1356 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCR249337  Scrophularia californica Peter Rubtzoff 1953-5-16 1356 Sonoma Vacation Beach, near Guerneville, along Russian River 3 Comment
  CDA40963  Scutellaria antirrhinoides T. C. Fuller 1958-5-24 4017 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  RSA177925  Scutellaria tuberosa Robert F. Thorne 1965-4-20 34373 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  CAS-BOT-BC417850  Sedella pumila Leo Koch 1940-4-24 848 Sonoma N of Agua Caliente Comment
  CAS-BOT-BC63942  Sedum spathulifolium John Thomas Howell 1930-6-8 5262 Sonoma 1 mile east of Bodega Bay Comment
  UCD151222  Sedum spathulifolium James A. Neilson Jr. 1974-5-17 2978 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  RSA0074774  Sedum spathulifolium Christopher Davidson 1977-6-17 5884 Sonoma Coast Hwy 1, ca. 3 miles N of Jenner. Comment
  SD95206  Sedum spathulifolium Winifred Anderson 1966-5-7 21 Sonoma Pine Flat Road, 10 miles east of Healdsburg. 170 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
  UC480625  Senecio aronicoides Carl Meyer 1928-3-3 308 Sonoma Santa Rosa Comment
  UC201784  Senecio glomeratus P. B. Kennedy 1914-10-1 Sonoma Del Mar Ranch Comment
  UCD148425  Senecio glomeratus Peter Rubtzoff 1960-10-29 4577 Sonoma Bodega Harbor Marsh. Comment
  RSA177961  Senecio greenei R. F. Thorne 1965-4-20 34380 Sonoma Charles Newman's place up Los Alamos Rd, on Rincon Ridge 396 Comment
  CAS-BOT-BC80322  Sequoia sempervirens Elsa G. Ruckert 1960-3-12 17 Sonoma 2 1/2 miles up [Triniti] Trinity Road north, from Highway 12 243 Comment
  UCD135198  Sequoia sempervirens Loredo-Prendeville; Nicole Canon 1993-4-24 54 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
  CAS-BOT-BC290628  Sidalcea Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7814 Sonoma Kenwood Marsh. Comment
  UCR275254  Sidalcea Peter Rubtzoff 1974-5-26 7497 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  UC202838  Sidalcea calycosa subsp. calycosa Milo S. Baker May 1889 Sonoma Stewarts Canyon North Falls, Stewarts Canyon Comment
  CAS-BOT-BC187886  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-9-15 767 Sonoma Lower part of the Upper Marsh, Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC187890  Sidalcea calycosa subsp. rhizomata J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC213155  Sidalcea calycosa subsp. rhizomata George B. Snyder 1991-9-5 s.n. Sonoma Sea Ranch, 1/2 mile north of the lodge, between Hwy 1 and the ocean. Comment
  SEINET11994390  Sidalcea diploscypha F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -162 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 120 Comment
  SEINET4854003  Sidalcea malviflora subsp. laciniata C. Leo Hitchcock 1952-6-4 19582 Sonoma About 2 miles east of Sebastopol on road to Petaluma. Comment
  SEINET7042680  Sidalcea malviflora subsp. laciniata A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  CAS-BOT-BC213169  Sidalcea oregana subsp. valida M. S. Baker 1927-7-19 2343 Sonoma 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
  UC353855  Sidalcea oregana subsp. valida Milo S. Baker 1928-6-29 3203 b Sonoma Kenwood Marsh along Hiway Comment
  UC1084461  Silene gallica G. Thomas Robbins 1937-6-5 224 Sonoma about 10 mi w Santa Rosa (Pitkin Ranch, Vine Hill region); Vine Hill Region, w of Santa Rosa, Pitkin Ranch Comment
  CAS-BOT-BC392494  Silene gallica G. DeNevers 1981-5-30 1340 Sonoma Pepperwood Ranch; In creekbed N of Hansel's corral. Comment
  CAS-BOT-BC392495  Silene gallica G. DeNevers 1981-5-9 1064 Sonoma Pepperwood Ranch; Along the road at the aluminum gate above the Strebel Homestead. Comment
  CAS-BOT-BC389227  Silene laciniata subsp. californica D. E. Breedlove 1962-6-6 2891 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  UC8454  Silene scouleri subsp. grandis Alice Eastwood 1900-7-4 Sonoma Bodega Point; ; Bodega Point, Sonoma Co. Comment
  CAS-BOT-BC389884  Silene scouleri subsp. scouleri Alice Eastwood 1899-6-1 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC364813  Silybum marianum Peter Rubtzoff 1951-7-21 479 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  UCD115677  Sisymbrium officinale Erik Beever; Valerie Bullock 1993-5-8 206 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. Pony Gate trail. 365 Comment
  UC77254  Sisyrinchium bellum Robert M. Lloyd 1963-4-24 2393 Sonoma 13.8 mi from State Highway 12 (on road to Oakdale) 365 Comment
  HSC13932  Sisyrinchium californicum James Faro 1962-4-22 27 Sonoma Ocean Cove Ranch, 4 mi. N of Fort Ross on Hwy. 1 Comment
  SEINET3876318  Sisyrinchium californicum Kaye H. Thorne 1984-11-21 3642 Sonoma Sea Ranch, 2.5 mi S Gualala, stabilized coast dunes old sheep ranch.; 0 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
  UCD167434  Solanum Peter Rubtzoff 1958-9-20 3998 Sonoma Laguna de Santa Rosa NE of Graton (0.5 mi. N Guerneville Rd). Comment
  CAS-BOT-BC164706  Solanum Peter Rubtzoff 1952-6-15 1267 Sonoma Fitch Mountain Grove, near Healdsburg. Comment
  NY751859  Solanum americanum L. R. Landrum 1992-12-26 7807 Sonoma Near Bodega Bay. 6 Comment
  RSA227216  Solanum umbelliferum Peter Rubtzoff 1960-5-16 4358 Sonoma Duncans mills marsh. m thickets along streamlet in upper portion of the marsh. Comment
  UC26216  Solanum xanti J. Burtt Davy Aug. 1896 4132 Sonoma Russian River Comment
  RSA787117  Solidago californica J. C. Semple, S. Heard 1986-8-20 8578 Sonoma CA-1 between Valley Ford and Bodega Bay about 1 km N of road to Sebastopol. Comment
Read comments
Feb 6 2013
  CAS-BOT-BC365657  Solidago spathulata John Thomas Howell 1945-8-14 21409 Sonoma Perry Marsh Comment
  UCD136069  Solidago spathulata G. F. Hrusa; G. L. stebbins, J. McCaskill 1993-9-14 11419 Sonoma along Cavedale Road approximately 2.7 miles east of Highway 12. 400 Comment
  CAS-BOT-BC365261  Solidago velutina subsp. californica Alice Eastwood 1915-6-29 4804 Sonoma Bodega Point Comment
  CAS-BOT-BC365960  Soliva sessilis Catherine Best 1983-10-12 906 Sonoma In the school yard at Watson School on the Bodega Hwy west of Freestone Comment
  CAS-BOT-BC365968  Soliva sessilis Ella Dales Cantelow 1939-4-19 2609 Sonoma Miss Noldeke's ranch, Sebastopol Comment
  UCD32631  Soliva sessilis Beecher Crampton 1954-6-24 2005 Sonoma Sonoma - Napa County: 5 miles northeast Calistoga, along highway 128, in roadbed. Comment
  CAS-BOT-BC164029  Sonchus Peter Rubtzoff 1955-8-20 2062 Sonoma Bodega Harbor Marsh. Comment
  UCD136129  Sonchus asper subsp. asper Mary M. Hektner; Cathy Hendel 1974-7-24 163 Sonoma alongside Kirkwood House on Pacific Reach, Unit 24 Owners' Map, Sea ranch, near State Highway 1. Comment
  CAS-BOT-BC374742  Sonchus oleraceus Walter Knight; Irja Knight 1963-10-3 357 Sonoma Crane Canyon Comment
  UCD92998  Spartina foliosa R. Tofsrud 1949-11-1 s.n. Sonoma Black Point Road. Comment
  SEINET12165196  Spartium junceum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -202 Sonoma "The Geysers", ca 14 mi ESE of Preston and US 101 on Geysers Rd 800 Comment
  CAS-BOT-BC258918  Spergula Peter Rubtzoff 1954-7-27 1576 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC390049  Spergula arvensis Ella Dales Cantelow 1940-4-20 3446 Sonoma N. of Ft. Ross. Hy I Comment
  CAS-BOT-BC251260  Spergularia Peter Rubtzoff 1954-7-3 1519 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  CAS-BOT-BC320509  Spergularia Peter Rubtzoff 1969-8-14 6129 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  RSA0098145  Spergularia macrotheca E. A. Purer 1932-7-21 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC390974  Spergularia marina Walter Knight; Irja Knight 1963-9-29 232 Sonoma Near railroad bridge over Petaluma River ca. 1 mi. s. of Petaluma Comment
  CAS-BOT-BC390975  Spergularia marina G. B. Rossbach; R. P. Rossbach 1938-5-27 630 Sonoma Bodega Bay Comment
  CAS-BOT-BC390726  Spergularia rubra Walter Knight; Irja Knight 1963-8-13 206 Sonoma Horseshoe Cove Comment
  NY505335  Spergularia rubra B. J. Ertter 1988-11-5 8027 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge 152.4 Comment
  CAS-BOT-BC390994  Spergularia villosa Walter Knight; Irja Knight 1984-8-27 5085 Sonoma Near Gilardi Resort near Lakeville, along Petaluma River Comment
  JEPS64498  Spiranthes porrifolia W. L. Jepson 1921-6-2 9302 a Sonoma Poor Man's Flat Windsor (in same field as #7657) Comment
  UC380648  Stachys chamissonis Marcus E. Jones, A. M. 1882-7-17 3448 Sonoma Duncan's Mills Comment
  UCR222531  Stachys rigida var. quercetorum George K. Helmkamp, E. A. Helmkamp 2010-6-5 16246 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
  UCD125569  Stachys rigida var. quercetorum Rimy Waraich; Patti Togioka 1993-5-8 234 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 365 Comment
  CAS-BOT-BC361391  Stachys stricta Greg de Nevers 1993-8-8 10487 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa at Upper Skovie Spring (below Rd. T) 400 Comment
  CAS-BOT-BC251268  Stellaria Peter Rubtzoff 1967-8-22 5852 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC175333  Stellaria borealis subsp. sitchana Milo S. Baker 1928-4-28 3011 Sonoma Pitkin Swamp Comment
  CAS-BOT-BC251305  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-4-30 1809 Sonoma Forestville Marsh. Comment
  UCR279647  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-7-9 1938 Sonoma North Coast Range, Forestville Marsh 71 Comment
  RSA800338  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-6-4 1901 Sonoma Forestville Marsh Comment
  CAS-BOT-BC251172  Stellaria media Peter Rubtzoff 1958-8-16 3883 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  HSC4274  Stellaria media F. Demostene 1966-4-2 10 Sonoma 2 mi. E of Healdsburg Comment
  RSA800340  Stellaria media Peter Rubtzoff 1958-8-16 3883 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UCR254832  Stephanomeria virgata Greg de Nevers 1997-8-17 11076 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, Oak Hill Ranch 400 Comment
  JEPS97636  Streptanthus barbiger Annetta M. Carter 1947-5-30 1843 Sonoma 2 mi. E of Occidental. Comment
  CAS-BOT-BC61221  Streptanthus brachiatus Helen K. Sharsmith 1952-6-18 4129 Sonoma Inner North Coast Ranges. Near junction of Socrates Mine road with Pine Flat-Middletown Road. Mayacamas Mountains. 975 Comment
  POM311200  Streptanthus brachiatus H. K. Sharsmith 1952-6-18 4129 Sonoma Near junction of Socrates Mine road with Pine Flat-Middle-town road, Mayacamas Mountains 976 Comment
  UC1292730  Streptanthus brachiatus Freed W. Hoffman 1950-5-25 3358 Sonoma E of Pine Flat, near Contact Mine Comment
  UCD168161  Streptanthus brachiatus James Neilson 1977-3-28 3855 Sonoma Mayacmas Mountains, Location 6, US Geothermal 1. Lower Reach of barren. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD72522  Streptanthus brachiatus Sharon Strauss 2007-6-28 s. n. Sonoma End of Pine Flat Road at Calpine 'The Geysers.' Up fire road 0.1 mile from parking area at gate. 973 Comment
  SEINET4924852  Streptanthus glandulosus H. N. Bolander 3944 Sonoma At the Geysers. Comment
  JEPS27974  Streptanthus glandulosus subsp. secundus Rimo Bacigalupi and L. Heckard 1961-6-9 7735 Sonoma 1.75 mi. s.w. Occidental (at junction of Joy Rd. and Bittner Rd.) 249 Comment
  UC1292748  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-24 3361 Sonoma trail from Gray Creek to the Island North Coast Ranges (headwaters of East Austin Creek) 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-BC87297  Streptanthus glandulosus subsp. sonomensis John Thomas Howell 1937-7-4 13077 Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC87299  Streptanthus glandulosus subsp. sonomensis John Thomas Howell 1929-6-30 4321 Sonoma 4 miles from Petrified Forest on road to Knights Valley. Comment
  CAS-BOT-BC87302  Streptanthus glandulosus subsp. sonomensis G. DeNevers 1981-6-15 1512 Sonoma Pepperwood Ranch. 1st road cut on Franz Valley Road. Comment
  SEINET11998401  Streptanthus glandulosus var. sonomensis Unknown 1986-1 60139 Sonoma NE of healdsburg, Reservoir Hill (end of Sunnyvale Dr) 104 Comment
  SEINET11998403  Streptanthus glandulosus var. sonomensis Unknown 1986-1 60156 Sonoma W of Healdsburg, Palmer Creek drainage (tributary of Mill Creek) 427 Comment
  CAS-BOT-BC423045  Stylomecon heterophylla L. R. Abrams 1918-4-28 s.n. Sonoma Nr. Burbanks Garden, Santa Rosa Comment
  RSA799983  Symphoricarpos Peter Rubtzoff 1961-9-6 4735 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  CAS-BOT-BC269633  Symphoricarpos albus var. laevigatus Marcus E. Jones 1931-7-5 29056 Sonoma West of Cloverdale Comment
  POM188467  Symphoricarpos mollis Marcus E. Jones 1931-7-5 29056 Sonoma West of Cloverdale. Comment
  CAS-BOT-BC97831  Symphyotrichum chilense Walter Knight; Irja Knight 1963-9-3 246 Sonoma Wiggins Hill 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
  CAS-BOT-BC221964  Taeniatherum caput-medusae G. DeNevers 1981-5-9 1015 Sonoma Pepperwood Ranch. By the Red Corral at the McCann Homestead Comment
  CAS-BOT-BC221965  Taeniatherum caput-medusae D. E. Breedlove 1980-6-27 44732 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD86173  Taeniatherum caput-medusae Freed W. Hoffman 1943-6-13 2035 Sonoma Geyser Peak road to Geysers. Comment
  CHSC28708  Taraxia ovata R. A. Schlising; C. A. Lawler 1979-4-12 3359 Sonoma S of Petaluma in extreme southern part of county, just N of Marin Co. line along San Antonia Road, 0.3 mi W of Hwy 101. In pasture. Comment
  UCD107042  Taraxia ovata Mary M. Hektner 1975-4-30 192 Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD107049  Taraxia ovata C. Wistrom-Number 1996-4-6 21 Sonoma Healdsburg 1601 Dry Creek Road. 48 Comment
  CDA5449  Teesdalia coronopifolia D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .288 Sonoma Cavedale Rd. Comment
  RSA786864  Teesdalia coronopifolia Carrie A. Herd 1982-3-16 236 Sonoma Santa Rosa, S.W. corner of Fulton & Piner Roads Comment
  RSA155470  Tellima grandiflora L. S. Rose 1962-4-18 62023 Sonoma 1 mile NW of Freestone. 76 Comment
  UCR279883  Thermopsis californica Peter Rubtzoff 1965-5-8 5527 Sonoma Atascadero Creek Marsh 30 Comment
  CDA27876  Thermopsis californica var. californica T. C. Fuller 1958-5-24 3993 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CHSC19524  Thermopsis macrophylla C. Euser 1974-4-4 2 Sonoma Found ca. 8 mi n of Napa, on Hwy. 116, ca. 0.5 mi se from junction with Hwy. 121. Comment
  CAS-BOT-BC66806  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10933 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66827  Thysanocarpus curvipes Ira L. Wiggins 1949-4-30 12069 A Sonoma 4 miles west of Calistoga. Comment
  UC147268  Thysanocarpus curvipes Milo S. Baker 1903-3-20 Sonoma Sonoma Cr. Canyon Comment
  SEINET11993722  Thysanocarpus curvipes W. Knight, Knight, I.; Edwards, S. 1986-1 5323 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Road 853 Comment
  JEPS86782  Torilis arvensis Jack and Betty Guggolz 1990-6-11 1060 Sonoma Cloverdale; 1123 Palomino Rd. Comment
  CAS-BOT-BC81460  Torreya californica Peter H. Raven 1954-2-27 6431 Sonoma Hooker Creek, Hoods Peak Range 457 Comment
  HSC39062  Torreya californica Gary S. Lester 1974-2-9 67 Sonoma Sugarloaf State Park, bottoms campground 518 Comment
  SBBG34159  Torreya californica L. M. Srivastava 1957-11-1 22 Sonoma Hwy 1, ca. 100 yards S of Fort Ross 30 Comment
  CAS-BOT-BC173707  Torreyochloa pallida var. pauciflora Peter Rubtzoff 1977-9-4 9128 Sonoma Cunningham Marsh area, ca. 1 air mile west-southwest of Cunningham Station. Comment
  UCD139866  Toxicoscordion fremontii L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  UCD139836  Toxicoscordion fremontii Frederica Bowcutt 1996-3-24 2078 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile south of Red Mountian. Along Lower Bald Mtn. Trail on second switchback. 487 Comment
  JEPS58985  Tracyina rostrata John Thomas Howell 1967-6-17 42599 Sonoma Arthur E. Cooley ranch, at confluence of Galloway and Dry Creeks, n Sonoma County Galloway Creek, Dry Creek 182 Comment
  CAS-BOT-BC519554  Triantha occidentalis subsp. occidentalis John Thomas Howell 1945-7-18 s.n. Sonoma Sonoma: Pitkin Marsh Comment
  CAS-BOT-BC519555  Triantha occidentalis subsp. occidentalis John Thomas Howell 1945-8-14 21407 Sonoma Sonoma: Perry Marsh Comment
  CAS-BOT-BC376268  Tribulus terrestris Greg de Nevers 1995-7-4 10758 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek 487 Comment
  JEPS63141  Trichostema laxum Milo S. Baker 1923-8-26 443 Sonoma near Geyserville (Russian River) Comment
  UCD125571  Trichostema laxum D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. Open cypress forests (Cupressus sargentii) in serpentine and andesitic rocks. 800 Comment
  SEINET13948220 Image available Trichostema laxum Lewis S. Rose 1955-1 55111 Sonoma 2 mi E of Occidental; ca 800 ft alt. 244 Comment
  SEINET6174104 Image available Trientalis europaea var. latifolia Sally Walker 1981-5-25 Sonoma 3 miles west of Occidental Sonoma co. 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-BC173536  Trifolium Peter Rubtzoff 1974-6-2 7510 Sonoma Upper Green Valley Marsh. 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
  RSA784986  Trifolium Peter Rubtzoff 1974-4-17 7375 Sonoma Upper Green Valley Marsh. Comment
  SEINET7062818  Trifolium A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point. UTM Zone 10, 464490mE, 4278527mN. (WGS84/NAD83). 0 Comment
  UCSC010633  Trifolium R. Morgan 2014-5-12 5637 b Sonoma Bodega Head Comment
  UCD107340  Trifolium albopurpureum Botany 102 Students 1993-5-8 242 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Meadow Creek. 396 Comment
  CAS-BOT-BC217054  Trifolium amoenum R. F. Hoover 1969-5-26 11349 Sonoma 2 mi. s. of Petaluma on Point Reyes Road. Comment
  CAS-BOT-BC217055  Trifolium amoenum Milo S. Baker 1945-5-15 10918 Sonoma 4 mi W of Santa Rosa near Wright's School Comment
  UCSC006120  Trifolium amoenum Randall Morgan 1996-1 Sonoma Comment
  UCSC010694  Trifolium amoenum R. Morgan 1999-1 Sonoma Comment
  UC1784221  Trifolium barbigerum Milo S. Baker Apr 1932 5913 Sonoma Highway south of Stewart's Point Comment
  CAS-BOT-BC371444  Trifolium bifidum Greg de Nevers 1998-5-5 11231 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  CAS-BOT-BC368054  Trifolium bifidum var. bifidum Greg de Nevers 1998-5-12 11251 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD165135  Trifolium bifidum var. decipiens Peter Rubtzoff 1974-5-18 7418 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  SEINET7062933  Trifolium ciliolatum A. G. Vestal 1947-5-16 s.n. Sonoma About 4.8 miles east of Winsor and northwest of Mark West Springs. UTM Zone 10, 522970mE, 4267388mN. (WGS84/NAD83). 244 Comment
  UCD108258  Trifolium ciliolatum Erik Beever 1993-5-8 230 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. Pony Gate Trail. 365 Comment
  UCSC005301  Trifolium depauperatum Randall Morgan 1995-5-18 2627 Sonoma Windsor, Shiloh Road, west of Skylane Comment
  UC631218  Trifolium depauperatum var. amplectens P. B. Kennedy 1915-5-28 Sonoma Del Mar Comment
  UC1106199  Trifolium depauperatum var. depauperatum Peter H. Raven 1950-4-6 1607 Sonoma Rincon Ridge Comment
  UCD108381  Trifolium depauperatum var. depauperatum Christine Lee 1993-4-24 91 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail. 411 Comment
  POM21428  Trifolium depauperatum var. truncatum A. A. Heller, H. E. Brown 1902-4-8 5229 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC361286  Trifolium fragiferum Greg de Nevers 1997-7-24 11071 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa At Double Ponds and Turtle Pond 400 Comment
  CAS-BOT-BC361299  Trifolium fragiferum Greg de Nevers 1997-5-31 11012 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa, northwest of Finnell Cabin 457 Comment
  UC866777  Trifolium fucatum Alice Eastwood 1917-5-13 Sonoma rd to Bodega Point Comment
  UCD109771  Trifolium hirtum Frederica Bowcutt 1994-6-12 1854 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 75 yards, N of Adobe Canyon Road up Pony Gate Trail. 426 Comment
  UCD147004  Trifolium incarnatum Robert E. Preston 2011-4-28 2849 Sonoma Sonoma, in vacant lot N of MacArthur St, between 4th St and Hayes St. 21 Comment
  UC1130076  Trifolium microcephalum H. S. Yates 1934-4-22 3855 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  UC1541580  Trifolium microdon H. E. and S. T. Parks 1930-5-9 601 Sonoma Knights Valley 152 Comment
  UCD160308  Trifolium obtusiflorum James A. Neilson Jr. 1975-5-23 3202 Sonoma Truit Creek on Big Sulphur Creek. Abril property. (Elevation and coordinates estimated by label maker.) 388 Comment
  UCD168046  Trifolium obtusiflorum James A. Neilson Jr. 1983-10-24 4102 Sonoma Mayacmas Mountains, near mouth of Hummingbird Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  CDA121  Trifolium repens D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .277 Sonoma Cavedale Rd. Comment
  RSA94285  Trifolium repens Peter Rubtzoff 1951-8-19 658 Sonoma Near the creek, just north of the Lower Marsh Comment
  UCD165165  Trifolium variegatum Peter Rubtzoff 1974-5-26 7485 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UCSB31788  Trifolium willdenovii Townsend, J. 1977-5-29 Sonoma West side Russian River, about 0.5 miles south of Guerneville 335 Comment
  CAS-BOT-BC520842  Trillium albidum G. DeNevers 1982-4-30 1956 Sonoma Pepperwood Ranch: Riparian area at Mark West Creek and Leslie Creek 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
  JEPS44411  Triphysaria eriantha subsp. eriantha Lewis S. Rose 1965-4-4 65018 Sonoma Sonoma 24 Comment
  UC27182  Triphysaria eriantha subsp. eriantha F. T. Bioletti May 1892 Sonoma Shellville Comment
  JEPS117073  Triphysaria eriantha subsp. eriantha Peter Warner 2010-3-30 125 Sonoma Annadel State Park, east of Santa Rosa; approx. 200 m south of Cobblestone Trail, approx. 1 km west of Channel Drive. Comment
  UC27195  Triphysaria versicolor subsp. faucibarbata State Survey 1800-1 6574 Sonoma Coast n Noyo; Coast n of Noyo Comment
  CAS-BOT-BC200102  Trisetum canescens G. DeNevers 1982-5-2 1973 Sonoma W arm of Garrison Canyon Comment
  UCD36683  Trisetum canescens Beecher Crampton 1955-6-17 2931 Sonoma Sonoma County, 3.3 miles west of Forestville, along State Highway 12. Comment
  CAS-BOT-BC200107  Trisetum canescens Peter Rubtzoff 1951-6-9 180 Sonoma Western branch of the Upper Marsh Comment
  UC53775  Trisetum cernuum State Survey June 1867 6465 b Sonoma Cloverdale Comment
  UCR143026  Triteleia hyacinthina Peter Rubtzoff 1971-6-5 6511 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  SEINET12044741  Triteleia hyacinthina Michener, Bioletti 1893-1 s.n. Sonoma Kenwood 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
  UCR18634  Triteleia laxa John C. Roos 1950-7-22 4866 Sonoma Jenner 30 Comment
  SBBG14877  Triteleia laxa A. I. Richardson 1961-6-16 19 Sonoma Sweetwater Springs Rd, 1 mi beyond turn to Armstrong Redwood State Park, N of Gurneville Comment
  RSA53840  Triteleia peduncularis J. T. Howell 1945-5-30 s.n. Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC527968  Triteleia peduncularis John Thomas Howell 1935-5-5 12606 Sonoma Low Field near Kenwood Comment
  CAS-BOT-BC527973  Triteleia peduncularis Peter Rubtzoff 1951-6-2 107 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  RSA378054  Triteleia peduncularis J. W. Congdon 1880-5-16 s.n. Sonoma Sting Point? Sebastapol Road. Comment
  SEINET11992138  Turritis glabra F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -107 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12, ca 1.6 mi N of Cavedale Rd from jct 457 Comment
  CAS-BOT-BC208025  Ulex europaeus A. A. Heller; H. E. Brown 1902-3-22 5126 Sonoma Among redwood trees West of Sebastopol Comment
  CAS-BOT-BC91281  Umbellularia californica Walter Knight; Irja Knight 1963-9-15 272 Sonoma Los Alamos Road. Santa Rosa. Comment
  UC1515782  Umbellularia californica Baki Kasapligil 1966-8-10 3992 Sonoma Gaiserville 300 Comment
  CAS-BOT-BC403987  Urtica dioica subsp. gracilis Lewis S. Rose 1964-6-3 64056 Sonoma N. end of Bodega Bay 1 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-BC404238  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-6-24 5386 Sonoma Coleman Marsh Comment
  CAS-BOT-BC404230  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-8-26 5480 Sonoma Marsh 5 miles northeast of Penngrove on Lichan Road 213 Comment
  CAS-BOT-BC404241  Urtica dioica subsp. holosericea Peter Rubtzoff 1959-9-12 4258 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC193381  Vaccinium ovatum Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma North of Fort Ross Comment
  UC634727  Vaccinium ovatum H. L. Mason 1928-4-8 4289 a Sonoma 2 mi n Fort Ross Comment
  CAS-BOT-BC199473  Vaccinium parvifolium Ira L. Wiggins 1948-3-21 11617 Sonoma At western margin of Kruse Rhododendron State Park Comment
  CAS-BOT-BC135763  Veratrum fimbriatum Alice S. M. McKenzie 1974-10-28 s.n. Sonoma Salt Point State Park - Coast between Russian and Gualala Rivers Comment
  CAS-BOT-BC135770  Veratrum fimbriatum Saichi Kawahara 1968-8-28 497 Sonoma Salt Point Ranch 9 Comment
  CDA29820  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15682 a Sonoma North Coast Biodiversity Arena; Along Leslie Creek approx. 1/4 mi. above Mark West Springs road crossing. Sheet 1 of 3. Comment
  UCD167954  Verbena lasiostachys James Neilson 1981-7-16 4057 Sonoma Mayacmas Mountains. Big Sulphur Cr. 100 yards below bridge of Cloverdale-Geysers Rd. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC104852  Verbena lasiostachys var. lasiostachys Alice Eastwood 1900-5-8 Sonoma Knight's Valley Comment
  JEPS81725  Veronica scutellata Rimo Bacigalupi with members of the California Botanical Society 1958-5-24 6362 Sonoma n of Sebastopol (at Pitkin Marsh); Vine Hill region, Pitkin Marsh 60 Comment
  UCR255466  Veronica scutellata Ann Howald 2014-5-2 3002 Sonoma North Coast, c. 1.5 mi southeast of Del Mar Point 23 Comment
  CAS-BOT-BC267246  Viburnum ellipticum Greg de Nevers 1987-5-11 8177 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  RSA799984  Vicia Peter Rubtzoff 1973-8-27 7265 Sonoma Upper Green Valley Marsh. Comment
  SJSU10306  Vicia americana subsp. americana G. J. Woodside 1969-4-20 Sonoma Dutton Bill Cr, 4 mi above Camp Meeker at Dorothys Rest Comment
  CAS-BOT-BC371404  Vicia benghalensis Greg de Nevers 1998-8-25 11307 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along road to Weimar Flat, by big fallen black oak 400 Comment
  CAS-BOT-BC376345  Vicia benghalensis Greg de Nevers 1998-8-1 11303 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along road to Weimar Flat, ca. 150 m. beyond Double Ponds 400 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
  UCSC000433  Vicia sativa subsp. nigra John Thomas Howell 1946-3-31 s.n. Sonoma Near Sonoma Comment
  JEPS87243  Vicia sativa subsp. sativa Jack and Betty Guggolz 1991-5-27 1157 Sonoma s of s end Meyers Grade (between Hwy 1 and the ocean) 182 Comment
  JEPS87244  Vicia tetrasperma Jack and Betty Guggolz 1991-5-27 1154 Sonoma s of s end Meyers Grade (between Hwy 1 and the ocean) 182 Comment
  CDA34791  Vinca major Peter Warner 2010-3-1 111 Sonoma State Hwy 1 at 6.77 mile marker, west of junction of Bay Hill Rd. between road and Cheney Gulch Creek. Comment
  RSA264712  Vinca major Peter Rubtzoff 1974-4-6 7362 Sonoma Salmon Creek canyon 0.25 mi. south of Freestone. Comment
  UC1742245  Viola Milo S. Baker Sonoma Probably gathered in my violet garden (Brookside Garden) Comment
  CAS-BOT-BC270249  Viola adunca L. R. Abrams 1920-7-3 7619 Sonoma Stewarts Point Comment
  UC540629 Image available Viola adunca subsp. ashtoniae Milo S. Baker 1933-4-8 7348 Sonoma Kenwood Garden Kenwood; Kenwood, Sonoma Co. Comment
  POM215705  Viola douglasii Jens Clausen 1933-3-25 732 Sonoma Melita. Comment
  UC1761580  Viola douglasii Mildred Greene 1926-4-1 Sonoma Santa Rosa Country Club golf links Comment
  UC1762398  Viola glabella Freed Hoffman 1947-3-30 891 Sonoma Guerneville Comment
  CAS-BOT-BC536909  Viola glabella Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  UC19288  Viola lobata subsp. lobata F. T. Bioletti 1892-1 Sonoma Hood's Peak Comment
  JEPS50443  Viola ocellata Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  UC1121589  Viola ocellata E. Armstrong 1934-4-15 1208 Sonoma 4 mi se of Occidental 152 Comment
  UC337758  Viola ocellata unknown 1892-5-4 Sonoma Armstrong Park near Guerneville; Armstrong Park Comment
  RSA412784  Viola sempervirens Christopher Davidson 1977-6-20 6038 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  SEINET11996124  Viola sempervirens F. H. Utech 1988-1 88 -009 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  UC1761984  Viola sempervirens Helen Von Grafen 1927-4-27 Sonoma Mill Creek Comment
  UC1742250  Viola septentrionalis Milo S. Baker 1944-5-2 Sonoma Brookside Garden Comment
  RSA262373  Viscum album Jesse Dubin 1971-3-4 s.n. Sonoma Near Sebastopol. Comment
  UCR159966  Viscum album subsp. album C. W. Nichols, William McCartney 1966-1-17 s.n. Sonoma Backyard of property at 1220 Gravenstein Hwy N at Mills Station Rd, 1 mi N of Sebastopol 55 Comment
  CAS-BOT-BC203137  Vitis californica A. A. Heller 1902-6-24 5760 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC385036  Vitis californica L. R. Abrams 1922-6-21 8099 Sonoma Healdsburg to Cloverdale Comment
  POM117433  Vitis californica Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UC18631  Vitis californica H. N. Bolander June, 1867 Sonoma Cloverdale Russian River (banks of river) Comment
  UC608469  Vitis californica Beryl O. Schreiber 1934-5-14 1113 Sonoma Fitch Mountain Road Healdsburg Comment
  RSA0121714  Vitis californica Lewis S. Rose 1968-6-25 68115 Sonoma Rincon Ridge, NE of Santa Rosa. 122 Comment
  RSA7624  Vitis californica Carl B. Wolf, B. D. Stark 1933-9-27 5512 Sonoma 5.8 mi NW of Kellogg on road to Geyserville. 91 Comment
  UCD17547  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma 5 miles N on Upper Lake Highway, E of Ukiah. Near first highway bridge. Comment
  OBI75822  Vitis vinifera David Burgess 1967-11-25 13 Sonoma 6 mi NE of Santa Rosa Comment
  UC1023600  Vulpia Virginia Bufford 1936-5-1 177 Sonoma 2 mi above Duncan's Mill Comment
  CAS-BOT-BC199909  Vulpia bromoides Peter Rubtzoff 1955-5-21 1878 Sonoma Ross Marsh Comment
  CAS-BOT-BC199914  Vulpia bromoides Peter Rubtzoff 1951-7-7 372 Sonoma Eastern branch of the Upper Marsh Comment
  UC573936  Vulpia bromoides H. S. Yates 1937-6-6 6585 Sonoma 3 mi e Jenner; Duncan Hills Quad. 60 Comment
  UCD93580  Vulpia bromoides Collector unknown 1941-3-1 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC199915  Vulpia bromoides Peter Rubtzoff 1951-7-7 372 Sonoma Eastern branch of the Upper Marsh Comment
  SEINET5424526  Vulpia bromoides V. Longozo 1999-4-19 s.n. Sonoma Bodega Bay Highway 0 Comment
  SEINET5428073  Vulpia microstachys L. Koch 1940-4-22 838 a Sonoma At Geysers in Sulfur Creek Canyon Comment
  UC933825  Vulpia microstachys var. confusa Leo Koch 1940-4-22 839 Sonoma Geysers; Sulphur Creek Canyon Comment
  UC729991  Vulpia microstachys var. pauciflora Leo F. Koch 1940-4-22 840 Sonoma Geysers; Sulphur Creek Canyon Comment
  POM206212  Vulpia myuros A. A. Heller 1902-4-4 5221 Sonoma Hills near Santa Rosa. Comment
  CAS-BOT-BC185832  Vulpia myuros subsp. megalura A. A. Heller 1902-6-10 5681 Sonoma Santa Rosa Comment
  UC903742  Vulpia myuros var. hirsuta Milo S. Baker 1947-5-5 11725 Sonoma s slope Hood Mt. (above Baker ranch) 213 Comment
  UCD138882  Watsonia meriana Frederica Bowcutt 1984-6-24 466 Sonoma Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg. Park entrance immediately west of Highway 1. 30 Comment
  CDA25510  Whipplea modesta G. D. Barbe 1982-5-27 3623 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment