Search Results — 2000 specimen records retrieved (1232 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.
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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78075  Abies grandis Walter Knight; Irja Knight 1964-2-27 538 Sonoma Valley Crossing Comment
  CAS-BOT-BC361332  Acaena pinnatifida var. californica Greg de Nevers 1997-4-26 10982 Sonoma Point Reyes National Seashore, Bayview Trail Comment
  CAS-BOT-BC336946  Acer negundo var. californicum Peter Rubtzoff 1953-5-16 1363 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  CAS-BOT-BC30449  Achillea millefolium John Thomas Howell 1938-7-3 13958 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC400006  Achlys triphylla Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  UC88432  Achyrachaena mollis W. E. Bryant Sonoma Healdsburg Comment
  SBBG84015  Acmispon brachycarpus L. F. LaPre 1986-5-31 Sonoma Socrates Mine, ca. 9 mi ENE of Geyerville 914 Comment
  SD8658  Acmispon glaber Michener, Bioletti 1892-5-30 Sonoma Woods Peak Comment
  NY380622  Acmispon gracilis A. A. Heller 1902-6-24 5754 Sonoma Near Burke's Santarium Comment
  UCD104330  Acmispon parviflorus Helen K. Sharsmith 1963-5-25 5475 Sonoma Road from Freestone to Occidental. 121 Comment
  UC635414  Actaea rubra H. L. Mason 1928-7-11 4891 Sonoma canyon 2 mi. n. Fort Ross Comment
  CAS-BOT-BC391714  Actaea rubra L. R. Abrams 1920-7-3 7602 Sonoma Gualala River, near Mendocino - Sonoma County Line Comment
  CAS-BOT-BC30278  Adenocaulon bicolor Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road, 3 miles east of Stewarts Point Comment
  JEPS46069  Adenostoma fasciculatum Eleanor Armstrong June 1932 526 Sonoma 4 mi. w. Camp Meeker (near Lake Nervana) 121 Comment
  SEINET5501068 Image available Adenostoma fasciculatum Sally Walker 1981-1 Sonoma Franz Valley Rd, 1/10 mi N of 7 V. School Rd. Comment
  CAS-BOT-BC65530  Adiantum aleuticum Greg de Nevers 1987-4-25 8163 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS128375  Adiantum aleuticum Roger Raiche 2000-5-5 092 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  HSC949  Adiantum aleuticum F. Demostene 1966-4-8 37 Sonoma 25 mi. W of Healdsburg Comment
  UCSB40475  Adiantum aleuticum Takada, Brian 1978-5-28 Sonoma 20mi N of Bodego Bay on Hwy 1 Comment
  JEPS97806  Adiantum capillus-veneris R. Raiche 1983-6-25 30523 Sonoma The Cedars; Headwaters of Austin Creek 365 Comment
Read comments Oct 22 2013
  SJSU2057  Adiantum capillus-veneris A. Bascom 1958-5-16 Sonoma Crane Valley Rd 16 mi SE of Santa Rosa Comment
  UC1063726  Adiantum jordanii E. Armstrong 1934-3-26 909 Sonoma 1 mi nw Camp Meeker; Sebastopol Quadrangle 121 Comment
  CAS-BOT-BC9072  Aegilops triuncialis Mary P. Wells 1987-7-7 892 Sonoma Spring Lake Park, Santa Rosa Comment
  OBI20359  Aesculus californica Dave Morse 1972-7-29 4 Sonoma One mile NE of Cloverdale, on hwy 128 91 Comment
  SEINET265728  Aesculus californica Royal D. Suttkus 1967-6-25 67- 29 -1 Sonoma 4.4 miles SE of Alexander Valley. Comment
  UCD136676  Aesculus californica Frederica Bowcutt 1994-6-12 1865 Sonoma Sugarloaf Ridge State Park. about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 1.5 air miles north of Kenwood, and 18 air mles NW of Napa. Adobe Canyon north of Sonoma Creek, north of Adobe Canyon Road, About 50 yards N. of Pony Gate trail juncture. 432 Comment
  CAS-BOT-BC210122  Agoseris Peter Rubtzoff 1971-5-30 6479 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UC126386  Agoseris apargioides var. eastwoodiae Katharine Brandegee 1905-1 Sonoma Bodega Head Bodega Head Comment
  UCD159446  Agoseris apargioides var. eastwoodiae D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 203 Sonoma Bodega head. Sonoma coast state beach. Cliff overlooking sea. Abundant. 20 Comment
  RSA416393  Agoseris grandiflora Christopher Davidson 1977-6-20 6027 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  CAS-BOT-BC166696  Agrostis Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7848 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC176397  Agrostis Peter Rubtzoff 1964-7-14 5403 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC176404  Agrostis Peter Rubtzoff 1971-6-25 6558 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  RSA785907  Agrostis Peter Rubtzoff 1977-9-4 9130 Sonoma Cunningham Marsh area. Ca 1 air mile WSW of Cunningham Station Comment
  RSA785933  Agrostis Peter Rubtzoff 1974-5-25 7453 Sonoma Upper Green Valley Marsh. Comment
  UCD151135  Agrostis James A. Neilson Jr. 1973-6-6 2986 Sonoma Mayacmas Mountains. The Geysers. Site A. (Elevation estimated using Google Earth by label maker.) 441 Comment
  UCD166090  Agrostis Peter Rubtzoff 1971-6-29 6580 Sonoma Pitkin Marsh, near Forestville. Comment
  UCD92440  Agrostis Beecher Crampton 1955-6-17 2942 Sonoma 4.5 miles S of Cazadero. Comment
  SEINET10817024  Agrostis P. Rubtzoff 1966-8-22 Rubtzoff 5854 Sonoma SE of Lower Salmon Creek Marsh. Comment
  UC1026476  Agrostis alba Peter Rubtzoff 1951-7-8 389 Sonoma lower part of the upper Pitkin Marsh (near Forestville) Comment
  CAS-BOT-BC127484  Agrostis capillaris Milo S. Baker 1944-7-29 10878 Sonoma Brookside Garden, near Kenwood. Comment
  RSA298529  Agrostis capillaris Robert A. Norris, John L. Inase, Allen Nakagawa, Carol A. Roberts, Willie J. Roberts, Nelson R. Powers 1982-8-8 4432 Sonoma Sonoma State Beach, near Goat Rock Picnic Area, across mouth of Russian River from Jenner. Comment
  CAS-BOT-BC127471  Agrostis densiflora Beecher Crampton 1957-7-11 4344 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  UC1153786  Agrostis densiflora Beecher Crampton 1957-7-11 4344 Sonoma sandy slopes above bluffs (4.6 mi n of Salmon Creek); Sonoma Coast State Park, Duncan's Point Comment
  UCD51890  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach. Comment
  JEPS97573  Agrostis exarata R. D. Stone 1983-6-16 554 Sonoma the Little Geysers, upper Big Sulphur Creek drainage 701 Comment
  POM207134  Agrostis exarata A. A. Heller 1902-6-4 5641 Sonoma Santa Rosa Comment
  UCD52539  Agrostis exarata Beecher Crampton 1957-7-11 4298 Sonoma Along State Hwy. 1, 1.4 miles SW of Bodega Bay. Comment
  SEINET7593690 Image available Agrostis exarata A. S. Hitchcock 1908-1 2690 Sonoma Willits Comment
  UCD52126  Agrostis exarata Beecher Crampton 1956-6-26 3619 Sonoma about 8 miles northwest of Calistoga, State Hwy. 120. Comment
  UCD52135  Agrostis exarata Freed W. Hoffman 1941-6-29 2069 Sonoma Sonoma Mountain Road. Comment
  CAS-BOT-BC139553  Agrostis gigantea Peter Rubtzoff 1951-7-21 514 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower Marshes. Comment
  SBBG115784  Agrostis hallii B. Crampton 1953-5-19 1298 Sonoma ca. 5 mi W of Calistoga on St Hwy 128, at Napa county line Comment
  UC1112778  Agrostis microphylla Leo Whitney 1935-4-14 2258 b Sonoma near Occidental (Blunden's Pasture); Blunden's Pasture Comment
  UC766898  Agrostis pallens Robert F. Hoover 1941-6-7 5315 Sonoma 2 mi se Monte Rio (on road to Camp Meeker) Comment
  UCD53168  Agrostis pallens A. A. Beetle; G. L. Stebbines Jr. 1942-6-4 3568 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  UCD144566  Agrostis pallens Frederica Bowcutt 1994-6-12 1856 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air milse N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  RSA264544  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma 5 miles south of Steward Point, coastal bluffs. Comment
  SD34475  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Sonoma County coast, 5 miles south of Steward Point, coastal bluffs. Comment
  UCD53477  Agrostis stolonifera var. maritima P. B. Kennedy 1916-7-17 325 Sonoma Del Mar. 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
  UC1023613  Aira praecox Virginia Bufford 1935-5-19 54 Sonoma Portugese Beach; n end, coming up cliff Comment
  SEINET3917482  Aira praecox Fred W. Hoffman 1944-5-22 1992 Sonoma Cruz Ranch, Sonoma Coast near shore.; 0 Comment
  CAS-BOT-BC173620  Alisma lanceolatum Peter Rubtzoff 1976-5-30 8570 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC445349  Alisma lanceolatum Peter Rubtzoff 1958-7-20 3783 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road). Comment
  SBBG39698  Alisma lanceolatum P. Rubtzoff 1955-7-16 1959 Sonoma Bennett Mountain Lake Comment
  UC1042432  Alisma plantago-aquatica Peter Rubtzoff 1951-8-19 664 Sonoma near Forestville (lower part of the Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC445460  Alisma triviale Peter Rubtzoff 1951-7-28 565 Sonoma Pitkin Marsh, near Forestville.Lower part of the Upper Marsh Comment
  CAS-BOT-BC445466  Alisma triviale Peter Rubtzoff 1958-7-5 3741 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC445471  Alisma triviale Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  RSA69760  Alisma triviale F. W. Peirson 1925-8-8 6344 Sonoma 5 miles S of Santa Rosa. Comment
  CAS-BOT-BC462380  Allium amplectens Milo S. Baker 1927-5-7 2124 b Sonoma Adobe Canon Comment
  CAS-BOT-BC462386  Allium amplectens Peter Rubtzoff 1963-6-18 5182 Sonoma Bennett Mtn. Lake; Sonoma County Marshes Comment
  UC584213  Allium dichlamydeum David D. Keck and J. Clausen 1935-6-15 3366 Sonoma 1 mi n Salmon Creek (bluff above ocean) Comment
  CAS-BOT-BC469109  Allium dichlamydeum Alice Eastwood 1915-6-29 4880 Sonoma Bodega Point Comment
  CAS-BOT-BC472797  Allium neapolitanum Nina Boyle 1941-3-1 s.n. Sonoma Rio Nido Comment
  UCD138616  Allium unifolium Mary M. Hektner 1975-6-3 202 Sonoma Unit 35-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC474311  Allium unifolium Peter Rubtzoff 1962-5-30 4852 Sonoma Freestone Marsh Comment
  CDA39418  Allium unifolium T. C. Fuller 1967-5-19 15884 Sonoma South side of Petaluma - Valley Ford Hwy., 2 miles northwest of Two Rock. 0 Comment
  UCD138615  Allium unifolium Jane Justus 1966-5-3 29 Sonoma State Highway 116, 14 miles west of Petaluma. 9 Comment
  CAS-BOT-BC453448  Allotropa virgata Hugh Leech 1966-5-30 s.n. Sonoma Ida Clayton Road summit, at Lake Co. line 807 Comment
  UCD109997  Alnus rhombifolia Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1773 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trailhead along Adobe Canyon Road S of Sonoma Creek. 198 Comment
  POM106478  Alnus rubra Marcus E. Jones 1882-7-17 3484 Sonoma Duncan's Mills. Comment
  CAS-BOT-BC138152  Alopecurus aequalis var. aequalis Peter Rubtzoff 1955-8-27 2100 Sonoma Bennette Mountain Lake. Comment
  CAS-BOT-BC258026  Amaranthus Peter Rubtzoff 1973-10-10 7345 Sonoma American Creek area, 2 miles west of Bloomfield. Comment
  RSA234560  Amaranthus albus Peter Rubtzoff 1958-8-9 3849 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  UC465921  Amaranthus deflexus Harriet A. Walker 1908-6-7 1165 Sonoma Santa Rosa Comment
  RSA126163  Amaranthus hybridus J. T. Howell 1946-8-17 s.n. Sonoma Cunningham Comment
  UC1127783 Image available Amelanchier utahensis E. Armstrong 1934-3-26 942 Sonoma 3 mi e Camp Meeker; Sebastopol Quad. 91 Comment
  UC12070  Amelanchier utahensis Jepson 1893-5-5 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC222275  Amsinckia Alice Eastwood 1933-5-7 18843 a Sonoma Sonoma Comment
  CAS-BOT-BC222283  Amsinckia John Thomas Howell 1934-3-26 11785 Sonoma Southwestern base of Mt. Hood Comment
  UC909757  Amsinckia menziesii var. menziesii Milo S. Baker Apr. 1950 12161 Sonoma Montgomery Drive on old R.R. fill w of Mellita Comment
  CAS-BOT-BC26809  Amsinckia nigricans Amos Arthur Heller 1902-5-27 5614 Sonoma Bodega Bay Comment
  POM64472  Amsinckia spectabilis A. A. Heller 1902-5-27 5614 Sonoma Bodega Bay Comment
  UCD117445  Anagallis arvensis Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 32 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA129301  Andropogon glomeratus Virginia Bufford 1936-9-10 17228 Sonoma 2 miles S.E. of Forestville. Sevastopol 61 Comment
  UCD56045  Andropogon glomeratus H. S. Yates 1937-8-22 6865 Sonoma 2 miles SE of Forestville. 30 Comment
  CAS-BOT-BC137789  Andropogon virginicus var. virginicus Peter Rubtzoff 1951-9-15 754 Sonoma Pitkin Marsh, near Forestville. Area Separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC391872  Anemone grayi Mrs. H. C. Cantelow 1939-4-12 s.n. Sonoma On the road to Cazadero via Plantation Comment
  RSA296042  Angelica californica J. M. DiTomaso 1980-6-13 1599 Sonoma Trinity Rd. between Glen Ellen and Oakville 1494 Comment
  UCD127216  Angelica californica J. M. Tucker 1951-6-26 2139 Sonoma Near summit of range, road from Glen Ellen to Oakville. Comment
  CDA38227  Angelica hendersonii T. C. Fuller 1957-9-24 398 -57 Sonoma Stewarts Point. 0 Comment
  UC89524  Anisocarpus madioides T. S. Brandegee 1892-7-1 Sonoma Fort Ross Comment
Read comments Dec 13 2015
  CAS-BOT-BC271433  Anisocarpus madioides G. DeNevers 1981-5-23 1305 Sonoma In canyon leading to Redwoods from Devils Kitchen Hill, Pepperwood Ranch Comment
  CAS-BOT-BC271441  Anisocarpus madioides Mary P. Wells 1981-4-18 s.n. Sonoma Near So. Fork Gualala R., the Sea Ranch Comment
  UCD129047  Anthemis cotula Frederica Bowcutt 1994-6-24 1890 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/4 way from bald Mountain Trail to Headwaters Trail. 554 Comment
  RSA259578  Anthemis fuscata Thomas W. Nelson, James Nelson 1975-3-25 1751 Sonoma Asti, Growing as a weed in cultivated areas, vinyards Comment
  UCR118997  Anthoxanthum aristatum Beecher Crampton 1955-4-5 2412 Sonoma Santa Rosa Area, 3 miles northeast of Trenton, 3 miles southwest of Windsor, Starr Road, near Starr School, along Windsor Creek 91 Comment
  CAS-BOT-BC280660  Anthoxanthum occidentale Catherine Best 1985-2-10 1064 Sonoma About .5 miles north of Occidental on the road parallel to the Bohemian Hwy. Comment
  CAS-BOT-BC280666  Anthoxanthum occidentale K. Wagnon 1939-4-10 165 Sonoma About 1/2 mile south of Jonive Grammar School, six miles west of Sebastopol 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
  HSC8936  Anthoxanthum odoratum C. S. Chavez 1965-6-3 78 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  SD56677  Anthoxanthum odoratum Darley F. Howe 1963-7-3 3594 Sonoma 20 miles north of junction with Highway 12 on Highway 1. Comment
Read comments Feb 6 2010
  UCD36687  Anthoxanthum odoratum Beecher Crampton 1955-6-17 2940 Sonoma Sonoma County, 0.5 mile north of Guerneville, along Fife Creek. Comment
  RSA47825  Anthriscus caucalis L. Beane, L. James 1949-5-11 1985 Sonoma 3 miles east of Hopland Comment
  UCD126273  Anthriscus caucalis Frederica Bowcutt 1996-5-19 2137 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air milse N of Kenwood, and 18 air miles NW of Napa. About 1 air mile S of Red Mtn in Adobe Canyon near office and corral. 396 Comment
  OBI57154  Antirrhinum vexillocalyculatum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-5 24499 Sonoma Along east side of Bohemian Highway opposite Camp Meeker Comment
  UC192792  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum unknown 1880-7 Sonoma Petaluma Comment
  UC26380  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum J. Burtt Davy 1894-12-9 867 Sonoma Kenwood Comment
  UC157916  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Milo S. Baker 1904-7-19 Sonoma above Maple Glen (Sonoma Creek Canyon); Sonoma Creek Canyon Comment
  POM14617  Antirrhinum virga A. A. Heller 1902-6-26 5775 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UC353924  Apiastrum angustifolium Milo S. Baker 1928-3-24 2725 b Sonoma 5 mi w of Healdsburg (Jensen Ranch); Jensen Ranch Comment
  UC1125882  Aquilegia formosa E. Armstrong 1934-3-26 947 Sonoma Camp Meeker Sebastopol Quad. 60 Comment
  UC1300971  Aquilegia formosa Helen K. Sharsmith 1963-5-25 5491 Sonoma e Occidental (on Coleman Valley rd); San Francisco Bay region Comment
  SEINET12093068  Aquilegia formosa F. H. Utech 1986-1 86 -125 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 200 Comment
  CAS-BOT-BC17341  Arabis blepharophylla Roxana S. Ferris; D. H. Morey 1958-4-10 13335 Sonoma Summit of Bodega Head. Comment
  SJSU8313  Arabis blepharophylla D. N. Glover 1974-2-24 Sonoma 1 mi E of junction of Valley Ford & Freestone Rds, 2 mi W of Bodega 76 Comment
  UCD128215  Aralia californica K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC128618  Arbutus menziesii Peter Rubtzoff 1951-8-18 615 Sonoma Uppermost part of the western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  UCD67496  Arbutus menziesii D. Sanchez-Mata 1996-4-16 s.n. Sonoma Mercuryville-Jimtown. Gird Creek. 350 Comment
  CHSC69209  Arctostaphylos James D. Jokerst 1989-4-14 3097 Sonoma Healdsburg Area A Specific Plan Study, in project area. Comment
  RSA629208  Arctostaphylos Jon E. Keeley 1993-9-11 24792 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629221  Arctostaphylos Jon E. Keeley 1993-9-11 24786 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388374  Arctostaphylos Freed W. Hoffman 1947-3-9 807 Sonoma serpentine outcrop ne Camp Meeker; North Coast Ranges Comment
  CAS-BOT-BC24084  Arctostaphylos bakeri B. A. Stein 1981-3-7 447 Sonoma Harrison Grade Rd. c. 1/2 mi. east of Stoez Rd. 243 Comment
  CAS-BOT-BC25322  Arctostaphylos bakeri Gladys L. Smith 1977-3-30 4652 Sonoma Summit area of Harrison Grade, serpentine outcrop 457 Comment
  UC1220417  Arctostaphylos bakeri B. F. Smith 1962-8-3 28 Sonoma 3.5 mi nnw Occidental; Quad. 64B2 158 Comment
  UC909880  Arctostaphylos bakeri J. E. Adams 1935-3-1 1030 Sonoma Occidental Comment
  RSA622709  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24707 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  SBBG28818  Arctostaphylos bakeri subsp. bakeri L. S. Rose 1934-2-22 34032 Sonoma 2 mi E of Occidental Comment
  OBI14764  Arctostaphylos canescens H. E. McMinn 1936-4-4 4395 Sonoma Ridge near R.L. Stevenson Monument, Mt. St. Helena Comment
  UCD50543  Arctostaphylos canescens Roman Gankin; W. R. Hildreth and Ken Milam 1965-4-16 517 Sonoma 0.2 mile on Rockridge Lane from Montecito Road, on Sones Property, Rincon Ridge, Santa Rosa. Comment
  CAS-BOT-BC23926  Arctostaphylos canescens subsp. canescens John Thomas Howell 1934-3-3 11748 Sonoma Between Fort Ross and Stwearts Point Comment
  CAS-BOT-BC23970  Arctostaphylos canescens subsp. canescens Mrs. H. C. Cantelow 1940-4-6 3781 Sonoma On Triniti road w. of Boyes Spring Comment
  CAS-BOT-BC23973  Arctostaphylos canescens subsp. canescens Walter Knight; Irja Knight 1964-1-17 520 Sonoma Hooker Canyon, Cloverdale Rd. Comment
Read comments Apr 11 2019
  CDA30999  Arctostaphylos canescens subsp. canescens D. G. Kelch, Troy McGregor 2010-8-22 10 .348 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  POM203044  Arctostaphylos canescens subsp. canescens J. T. Howell 1934-3-3 11748 Sonoma Between Fort Ross and Stewart's Point. Comment
  POM203095  Arctostaphylos canescens subsp. canescens J. T. Howell 1933-4-2 10945 Sonoma Rincon Ridge, near Santa Rosa. Comment
  SBBG119552  Arctostaphylos canescens subsp. canescens C. Bornstein, E. Collins 2006-8-24 Sonoma Park Gardens Drive, Rincon Ridge Comment
  UC1309665  Arctostaphylos canescens subsp. canescens A. E. Wieslander 1939-3-18 872 Sonoma head of Hooker Canyon Sonoma Quadrangle 487 Comment
  UC1388358  Arctostaphylos canescens subsp. canescens Freed W. Hoffman 1947-3-12 753 Sonoma Trinity road ne Kenwood (w slope of range); North Coast Ranges, Napa Range Comment
  CAS-BOT-BC23887  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-7-4 13079 Sonoma Rincon Ridge NE of Santa Rosa Comment
  OBI14518  Arctostaphylos canescens subsp. sonomensis Robert F. Hoover 1963-1-12 23023 Sonoma Rincon Ridge Comment
  UC1120075  Arctostaphylos canescens subsp. sonomensis A. E. Wieslander 1939-3-18 877 Sonoma s edge Rincon hills; Santa Rosa Quadrangle Comment
  UC1120076  Arctostaphylos canescens subsp. sonomensis A. E. Wieslander 1939-3-18 876 Sonoma s edge Rincon Hills; Santa Rosa Quadrangle 121 Comment
  CAS-BOT-BC23645  Arctostaphylos columbiana E. K. Balls; P. C. Everett 1953-10-9 18603 Sonoma .2 mi. n.w. of Ocean Cove, Hwy 1 between Fort Ross and Point Arena, 5 mi. n.w. of Fort Ross 91 Comment
  SBBG5404  Arctostaphylos columbiana H. and M. Dearing 1939-5-15 3392 Sonoma N of Fort Ross Comment
  CAS-BOT-BC24980  Arctostaphylos densiflora Walter Knight; Irja Knight; Elizabeth McClintock; J. Sigg 1981-3-25 4035 Sonoma Originally collected in Vine Hill District, near Sebastopol. Comment
  CAS-BOT-BC24982  Arctostaphylos densiflora Lewis S. Rose 1955-6-2 55062 Sonoma Junction of Vine Hill & School Roads, 10 mi. W of Santa Rosa. Type Locality. 45 Comment
  CAS-BOT-BC24994  Arctostaphylos densiflora John Thomas Howell 1945-5-30 20910 Sonoma Vine Hill School Comment
  CAS-BOT-BC25014  Arctostaphylos densiflora Peter Rubtzoff 1952-3-22 870 Sonoma Dry, open area separating the Western branch of the Upper Marsh from the Eastern. Comment
  RSA13429  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill School House Comment
  UC1120152  Arctostaphylos densiflora A. E. Wieslander 1938-10-29 830 Sonoma Vine Hill Sebastapol Quadrangle Comment
  UC1281202  Arctostaphylos densiflora H. E. McMinn 1936-4-5 4412 Sonoma just w Vine Hill School (16 mi w of Santa Rosa) Comment
  UC549534  Arctostaphylos densiflora J. E. Adams 1934-3-28 717 Sonoma Vine Hill School Sta. Rosa Comment
  UC571086  Arctostaphylos densiflora H. L. Mason 1931-3-7 5806 Sonoma 12 mi w Santa Rosa; Vine Hill School Comment
  UCD50802  Arctostaphylos densiflora Roman Gankin 1957-11-1 247 Sonoma Vine Hill School Road, 0.1 mile east of juncture with Vine Hill Road. Comment
  UCSB23053  Arctostaphylos densiflora McMinn, Howard 1936-4-5 Sonoma Just west of Vine Hill School, 16 miles west of Santa Rosa Comment
  RSA96837  Arctostaphylos densiflora Percy C. Everett, E. K. Balls 1954-10-20 20383 Sonoma 2.1 mi. NE of Occidental on road to Graton and Hwy 12. 91 Comment
  UCD166542  Arctostaphylos glandulosa Dylan O. Burge 2016-2-16 2043 Sonoma Hooker Creek watershed. 520 Comment
  CAS-BOT-BC23287  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1933-4-2 10941 Sonoma Rincon Ridge near Santa Rosa Comment
  CAS-BOT-BC24724  Arctostaphylos glandulosa subsp. glandulosa A. A. Heller; H. E. Brown 1902-3-31 5194 Sonoma Mt. Hood. Comment
  CAS-BOT-BC46150  Arctostaphylos glandulosa subsp. glandulosa James McMurphy 1909-5-29 s.n Sonoma Grade, ridge south of the Geysers Comment
  UC535029  Arctostaphylos glandulosa subsp. glandulosa H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Rd about 8 mi e Santa Rosa Comment
  UC549398  Arctostaphylos glandulosa subsp. glandulosa J. E. Adams 1934-3-28 728 Sonoma five mi from Seaview (Cazadero Road) Comment
  RSA364257  Arctostaphylos hispidula Roger Raiche 1984-2-3 40016 Sonoma Rockpile Road, 9.1 miles north from its intersection and beginning at Skaggs Springs-Stewarts Point Road 502 Comment
  RSA364261  Arctostaphylos hispidula Roger Raiche 1984-1-14 40016 Sonoma Rockpile Road, 9.1 miles northwest of its intersection and beginning at Stewarts Point- Skaggs Springs Rd. 502 Comment
  CDA11186  Arctostaphylos manzanita G. F. Hrusa 1989-1-2 5803 Sonoma North Coast Biodiversity Arena; NW side of Mt. St. Helena near summit of Chalk Mtn. off Ida Clayton Rd. Comment
  CDA12042  Arctostaphylos manzanita G. F. Hrusa 1990-1-2 7347 Sonoma North Coast Biodiversity Arena; Hogback Mtn., approx. 4 km. NE of Sonoma. Comment
  RSA633055  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27493 Sonoma Highway 116 west of intersection with Occidental Road, west of Sabastopol. 75 Comment
  UCD52233  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1066 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  RSA633053  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27485 Sonoma Lake Sonoma Overlook off Stewarts Road. 250 Comment
  RSA633056  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27490 Sonoma Stewarts Road ca. 3 km west of Forestville. 120 Comment
Read comments Feb 21 2013
  SEINET11990972  Arctostaphylos manzanita Unknown 1983-1 30489 Sonoma ridge is eastern end of Rocky Mt. Ridge W of Blue Rock between Gray Creek to S & Devils Creek to N 305 Comment
  SEINET11990985  Arctostaphylos manzanita Unknown 1982-1 20860 Sonoma Morrison Ridge, Gilliam Creek watershed, East Austin Creek State Rec. Area 305 Comment
  SEINET11990994  Arctostaphylos manzanita R. Raiche, Edwards, S. W. 1983-1 100 Sonoma The Cedars, W of ridge on Twitchell property 274 Comment
  UCD51921  Arctostaphylos manzanita John M. Tucker 1977-6-16 4393 Sonoma On Shurtleff Ranch off Chalk Hill Road to the east; ca. 4 miles (airline) northeast of East Windsor (or ca. 10 miles, airline, north-northwest of Santa Rosa). 121 Comment
  CAS-BOT-BC38947  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11302 Sonoma Mt. St. Helena Comment
  OBI70632  Arctostaphylos manzanita subsp. glaucescens Larry E. Brown 1997-8-12 20797 Sonoma E of hwy 101 off of village ofAsti S of Cloverdale Comment
  SEINET11994915  Arctostaphylos manzanita subsp. glaucescens W. Knight, Knight, I. 1987-1 6083 Sonoma Pepperwood Preserve, Garrison Canyon 122 Comment
  CAS-BOT-BC38696  Arctostaphylos manzanita subsp. manzanita J. Clausen 1933-3-26 750 Sonoma Adobe Canyon near Kenwood, Baker Ranch Comment
  CAS-BOT-BC38699  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa Comment
  CAS-BOT-BC38716  Arctostaphylos manzanita subsp. manzanita Lewis S. Rose 1955-2-14 55000 Sonoma Forestville 22 Comment
  CAS-BOT-BC38745  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1929-2-22 3398 b Sonoma Near Vine Hill school house Comment
  CAS-BOT-BC38882  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1931-3-14 5772 Sonoma Vine Hill District, 10 miles west of Santa Rosa. Comment
  RSA44376  Arctostaphylos manzanita subsp. manzanita L. S. Rose 1949-3-27 49016 Sonoma East of Beltane. 114 Comment
  SBBG39486  Arctostaphylos manzanita subsp. manzanita L. S. Rose 1970-2-27 70007 Sonoma Vine Hill School Rd 76 Comment
  UC1094000  Arctostaphylos manzanita subsp. manzanita Lewis S. Rose 1955-3-21 55033 Sonoma 2 mi ne Santa Rosa; Rincon Ridge 152 Comment
  UC1388362  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-2-28 766 Sonoma near Healdsburg (creek is a branch of Mill Creek); North Coast Ranges, Wild Hog Ridge, headwaters of Palmer Cre Comment
  CAS-BOT-BC38678  Arctostaphylos manzanita subsp. manzanita Jacob Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4157 Sonoma From Strybing Arboretum, San Francisco, #78-161. Originally from Hood's Peak in Sonoma County. Comment
  CAS-BOT-BC38719  Arctostaphylos manzanita subsp. manzanita William R. Dudley 1893-2-1 s.n. Sonoma L. A. Jr. Arboretum Comment
  CAS-BOT-BC45397  Arctostaphylos nummularia Mary P. Wells 1986-1-9 405 B Sonoma Off Pilot's Reach, The Sea Ranch. Comment
  CAS-BOT-BC45400  Arctostaphylos nummularia G. L. Stebbins 1970-7-14 1055 Sonoma Three miles nw. of Plantation. 274 Comment
  SBBG115507  Arctostaphylos nummularia subsp. nummularia A. T. Leiser 1968-1-16 Sonoma Sea Ranch 106 Comment
  CAS-BOT-BC47348  Arctostaphylos stanfordiana R. F. Hoover 1963-1-12 8547 Sonoma Cavedale Rd., Hoods Peak Range. 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
  UC1388314  Arctostaphylos stanfordiana Freed W. Hoffman 1946-8-20 867 Sonoma Trinity Rd at quarry; North Coast Ranges, western slope of Napa Range Comment
  UC83857  Arctostaphylos stanfordiana Alice Eastwood 1900-4-22 Sonoma Mt. St. Helena Comment
  UCD53847  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 686 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road; 3.1 miles east of junction with State Highway 12. Comment
  RSA17680  Arctostaphylos stanfordiana subsp. stanfordiana Elmer I. Applegate 1924-3-25 8858 Sonoma Pine Flat region, west slope of Mayacama Mountains. Comment
  SBBG50845  Arctostaphylos stanfordiana subsp. stanfordiana S. E. Wheaton 1966-3-27 28 Sonoma overlooking Hooker Cyn near Cavedale Rd Comment
  RSA517039  Arctostaphylos stanfordiana subsp. stanfordiana Jack Guggolz, Betty Guggolz 1986-3-3 851 Sonoma 1.2 miles from West Dry Creek Road on south side of Chamise Ridge Road across from spur road to the north. (west of Geyserville) Comment
  SEINET12524556 Image available Arctostaphylos stanfordiana subsp. stanfordiana C. M. Belshaw 1936-1 1565 Sonoma Vine hill. Sebastopol quadrangle. T. 7N. R. 9W. Comment
  RSA164629  Arctostaphylos stanfordiana var. repens Percy C. Everett 1963-11-21 24567 Sonoma Rincon Ridge, Robt. Sones' residence, ca. 3 mi. ne. Santa Rosa. 144 Comment
  CAS-BOT-BC47205  Arctostaphylos uva-ursi Walter Knight; Irja Knight 1984-3-21 5215 Sonoma At stump Beach, Salt Point State Park. Comment
  UC549527  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 738 Sonoma coastal bluffs s Gualala Riv. Comment
Read comments Nov 10 2011
  SDSU2845  Arctostaphylos viscida D. F. Howe 1972-2-20 4805 Sonoma Trinity Road, Mt. Mood Range. Note: Label states 5,800 feet altitude, beyond maximum for county, changed to 2,800 feet. 878 Comment
  SEINET11987147  Arctostaphylos viscida S. W. Edwards 1981-1 s.n. Sonoma near upper end of Los Alamos Rd, near entrance to Hood Mountain County Park 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
  CAS-BOT-BC467189  Arenaria serpyllifolia var. serpyllifolia John Thomas Howell 1935-5-5 12602 Sonoma Spontaneous in M.S. Baker garden near Kenwood Comment
  CAS-BOT-BC400487  Aristolochia californica Peter Rubtzoff 1987-3-15 9756 Sonoma Russian River at Forest Hills, 5.5 mi. east of Guerneville. Off Summerhome Park Road 0.2 mi. from (west of) Forest Hills Road Comment
  JEPS35855  Arnica discoidea M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma between Guerneville and Monte Rio Russian River Comment
  CAS-BOT-BC146277  Arrhenatherum elatius var. elatius David L. Morgan 1956-6-10 s.n. Sonoma On the Bohemian Highway, 2 miles south of Occidental. Comment
  CAS-BOT-BC90494  Artemisia douglasiana Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  JEPS36962  Artemisia douglasiana W. L. Jepson 1931-7-19 15935 Sonoma Watson School Bodega 152 Comment
  UCD129280  Artemisia douglasiana Mary M. Hektner 1974-7-24 162 Sonoma roadside at junction of Vantage Road and Breaker Reach; Unit 21 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC90864  Artemisia pycnocephala John H. Thomas 1969-9-21 15473 Sonoma near mouth of Russian River Comment
  POM31359  Artemisia suksdorfii Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC146253  Arundo donax Mary P. Wells 1985-8-5 586 Sonoma Ducker Creek, Rincon Valley Santa Rosa. Comment
  CAS-BOT-BC400603  Asarum caudatum Peter Rubtzoff 1955-7-31 2016 Sonoma Forestville Marsh. Along the southern margin of the marsh Comment
  UC1197607  Asclepias fascicularis Joseph P. Tracy 1937-8-28 15678 Sonoma Knights Valley; North Coast Ranges 152 Comment
  UC1195651  Asclepias solanoana A. R. Kruckeberg 1949-6-4 1762 Sonoma ca 4 mi above Pine Flat (sw of Cobb Mtn.) Comment
  CAS-BOT-BC478542  Asparagus officinalis Walter Knight; Irja Knight 1963-9-1 152 Sonoma McCray Rd - Cloverdale Comment
  RSA164631  Aspidotis densa P. C. Everett 1963-11-21 24565 Sonoma Harrison Grade, northeast of Occidental. 76 Comment
  UC399500  Aspidotis densa Michener and Bioletti March 1893 Sonoma Hood's Peak Comment
  CAS-BOT-BC68785  Aspidotis densa Catherine Best 1983-4-16 s.n. Sonoma On serpentine on the Bohemian Hwy. about 3 miles north of Occidental. Comment
  RSA44343  Aster chilensis M. S. Baker 1948-09 12042 Sonoma About 1 mile north of Sears Point Comment
  RSA94282  Aster chilensis Peter Rubtzoff 1951-9-2 720 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC157686  Asteraceae Peter Rubtzoff; Nancy Harrison; Dug Jones 1974-6-8 7576 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC186821  Astragalus gambelianus Helen D. Geis 1902-8-1 s.n. Sonoma Pluton Creek Bed Comment
  OBI49330  Astragalus gambelianus Michener & Bioletti, Bioletti June1893 s.n. Sonoma Sonoma, Hood's Peak Comment
  CAS-BOT-BC66155  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma northern half of Lower Marsh; Pitkin Marsh near Forestville Comment
  UC71465  Athyrium filix-femina var. cyclosorum J. Burtt Davy 1896-7-22 4145 Sonoma Russian River Comment
  SEINET11933365  Atriplex suberecta W. Knight, Knight, I.; Edwards, S. W. 1984-1 5053 Sonoma In pastureland along Willow Creek between Donman Flat and Corona Road Comment
  UC7081  Atriplex triangularis Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  UCD38528  Avena Beecher Crampton 1956-3-13 3227 Sonoma Asti. Comment
  UCD56267  Avena fatua A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3563 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC68337  Azolla filiculoides Greg de Nevers 1987-2-8 8125 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  UCR265434  Azolla filiculoides Ann Howald, Christina Freeman 2015-6-1 3411 Sonoma Inner North Coast Ranges, Annadel State Park, Ledson Marsh, northwest corner, south of Marsh Trail 362 Comment
  CAS-BOT-BC154153  Baccharis douglasii Peter Rubtzoff 1974-8-4 7797 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC98601  Baccharis douglasii Catherine Best 1983-10-12 904 Sonoma Growing along the creek near Occidental Road at the north edge of Occidental Comment
  CAS-BOT-BC99588  Baccharis pilularis Alice S. M. McKenzie 1980-11-28 s.n. Sonoma Coast between Russian and Gualala Rivers. Beside Calif. State Hwy. #1 in Russian Gulch, E side of gulch Comment
  SD39655  Baccharis pilularis Edith A. Purer 1932-7-27 Sonoma Sand dunes Comment
  HSC5129  Baccharis salicifolia Greg Bos 1963-5-5 82 Sonoma Pina Creek, out of Healdsburg 91 Comment
  SEINET8734646 Image available Baeria uliginosa Lewis S. Rose 1933-1 33156 Sonoma BODEGA BAY Comment
  UCD114264  Barbarea orthoceras Frederica Bowcutt; Kate Mawdsley 1996-3-24 2068 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air miles S of Red Mtn, just S of Sonoma Creek. 365 Comment
  CAS-BOT-BC145833  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC145841  Beckmannia syzigachne Peter Rubtzoff 1955-5-7 1817 Sonoma Ross Marsh. Comment
  SEINET10514183  Beckmannia syzigachne A. Arthur Heller 1902-6-27 Heller 5780 Sonoma West Windsor near Russian River. Comment
  CAS-BOT-BC75670  Berberis nervosa John Thomas Howell 1924-3-22 291 Sonoma Camp Meeker. Comment
  RSA227207  Berula erecta Peter Rubtzoff 1955-7-24 1986 Sonoma Forestville Marsh. Comment
  JEPS59677  Beta vulgaris J. Burtt Davy 1897-9-19 4059 Sonoma Petaluma Comment
  CAS-BOT-BC164688  Bidens cernua Peter Rubtzoff; Nancy Harrison; Edward Lee; Kenneth Stocking 1979-7-21 9293 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC290551  Bidens frondosa Peter Rubtzoff 1958-9-27 4012 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  CAS-BOT-BC102006  Bidens frondosa W. & I. Knight 1984-8-28 5291 Sonoma Spring Lake, Santa Rosa Comment
  UCR248951  Bidens laevis Peter Rubtzoff 1967-9-16 5882 Sonoma Pitkin Marsh, near Forestville. Southern part of Upper Marsh 38 Comment
  UCR250384  Bidens laevis Peter Rubtzoff 1955-11-27 2170 Sonoma Bodega Head Marsh 2 Comment
  CAS-BOT-BC100246  Blennosperma bakeri Barbara Keller 1990-4-30 2017 Sonoma grassland on Coleman Valley Rd. 6 miles west of Occidental Comment
  UC963901 Image available Blennosperma bakeri Milo S. Baker 1946-3-28 11307 Sonoma western outskirts of Sonoma in a hog wallow Sonoma Comment
  CAS-BOT-BC105962  Blennosperma nanum var. nanum G. H. Mallory 1920-3-29 s.n. Sonoma Hills at east end of Sonoma Ave., Santa Rosa Comment
  SEINET8466128 Image available Bloomeria crocea J. A. Ewan 1935-5-13 9264 Sonoma Wright School on Sebastopol Rd. Comment
  SEINET10768038  Boechera breweri subsp. breweri Donald Loarie 2014-4-20 Loarie s.n. Sonoma S-facing rock wall on a tributary just upstream of the confluence with Sausal Creek, but before reaching the Pine Flat road culvert and the nearby pumping station. Comment
  CAS-BOT-BC154963  Boisduvalia Peter Rubtzoff; Nancy Harrison; Ruth Hass 1974-8-31 7850 Sonoma Kenwood Marsh Comment
  RSA790865  Boisduvalia Peter Rubtzoff, Nancy Harrison, Ruth Hass 1974-8-31 7850 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC154958  Boisduvalia densiflora Peter Rubtzoff 1958-8-23 3920 Sonoma Laguna de Santa Rosa, E of Cunningham (near Llano Road) Comment
  CAS-BOT-BC154870  Boisduvalia densiflora Peter Rubtzoff 1968-8-31 5948 Sonoma Russian River bottom at Forest Hills, 5.5 miles E of Guerneville. Comment
  CAS-BOT-BC154874  Boisduvalia densiflora Peter Rubtzoff 1961-7-22 4660 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC154952  Boisduvalia densiflora Peter Rubtzoff 1954-8-3 1638 Sonoma Lower Salmon Creek Marsh Comment
  RSA790716  Boisduvalia densiflora Peter Rubtzoff 1961-7-22 4660 Sonoma Bennett Mountain Lake. Comment
  RSA790866  Boisduvalia densiflora Peter Rubtzoff 1969-8-26 6154 Sonoma River Road. 3 miles W of Fulton. Comment
  POM32027  Boisduvalia densiflora var. densiflora A. A. Heller 1902-7-8 5820 Sonoma Between Healdsburg and Geyserville Comment
  SJSU6088  Bolboschoenus fluviatilis C. W. Sharsmith 1972-6-24 7808 Sonoma Laguna de Santa Rosa, N of Sebastopol, E of Graton Comment
  SEINET8345733  Bolboschoenus fluviatilis Peter Rubtzoff 1955-8-7 2033 Sonoma [Guermeville learsh]. Comment
  CAS-BOT-BC75486  Bolboschoenus glaucus John Thomas Howell 1987-5-17 s.n. Sonoma Llano Road Marsh. Comment
  UC964743  Boykinia occidentalis R. F. Hoover 1942-7-6 5914 Sonoma canyon s Geysers; canyon s of the Geysers Comment
  CAS-BOT-BC418500  Boykinia occidentalis Lizzie Way 1886-6-1 s.n. Sonoma Mark West Creek Comment
  RSA54043  Brachypodium distachyon J. T. Howell 1948-4-18 24214 Sonoma Hills east of Agua Caliente. Comment
  POM94767  Brassica rapa Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  RSA723660  Brassica rapa R. R. Halse 1987-2-22 3374 Sonoma Along State Hwy 121, 0.4 mile E of its junction with State Hwy 116 at Big Bend in the Sonoma Valley. 6 Comment
  UC1010994  Briza maxima Virginia Bufford 1936-5-1 192 Sonoma near Monte Rio Comment
  UCD57125  Briza maxima Michael A. Vincent; Ethan H. Freid 1997-11-14 8172 Sonoma Bodega Bay. 0.5 mile northeast of city limits along Rt. 1. Comment
  UCD57138  Briza maxima Terri Williamson 1990-5-20 60 Sonoma Bayflat Road. Bodega Bay. 3 Comment
  UCD57148  Briza maxima B. Crampton 1955-6-17 2968 Sonoma Along State Hwy. 1. Fort Ross. Comment
  UCD57166  Briza maxima Gerry North 1993-4 44 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
  UCD57168  Briza maxima Roxana S. Ferris; Laura Lorraine 1961-6-14 13530 Sonoma Junction of Bittner Rd. with Joy Rd. between Occidental and Bodega. Comment
  UCR218634  Briza maxima George K. Helmkamp, E. A. Helmkamp 2010-6-4 16204 Sonoma North Coast Ranges, Mark West Springs Road, 1.7 rd. miles east of US-101, 2.5 air miles NE (75 deg. ) of Fulton 63 Comment
  CAS-BOT-BC145291  Briza minor G. DeNevers 1981-4-11 687 Sonoma Pepperwood Ranch. West of Goodman Homestead. Comment
  CDA36959  Briza minor 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
  UC1130933  Briza minor H. S. Yates 1934-4-21 Sonoma near Duncan Mills; Duncan Mills Quadrangle Comment
  JEPS79162  Brodiaea appendiculata Nancy Harrison 1980-5-16 2125 Sonoma directly s. of vineyard and Piner Elementary School (Piner and Fulton roads are north, west Santa Rosa); west Santa Rosa Comment
  CAS-BOT-BC376235  Brodiaea californica subsp. leptandra Greg de Nevers 1992-6-26 10180 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  SEINET12049784  Brodiaea elegans F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -186 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 630 Comment
  JEPS7639  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-23 7658 Sonoma Mark West Springs Comment
  CAS-BOT-BC484397  Brodiaea elegans subsp. elegans Peter Rubtzoff 1971-6-23 6545 Sonoma Vernal pool 4.25 miles west of Glen Ellen on Bennett Valley Road Comment
  UC463107  Brodiaea leptandra Milo S. Baker June 1925 2346 Sonoma canyon above Kenwood Springs Comment
  JEPS27993  Brodiaea stellaris Rimo Bacigalupi with L. R. Heckard 1961-6-9 7746 Sonoma ca. 0.75 mi. n.w. Occidental School (along Stoetz Lane ca. 1/2 mi. n.w. of its junction w/ Harrison Grade rd.) 228 Comment
  SD24123  Brodiaea stellaris R. F. Hoover 1938-6-14 3611 Sonoma 3 miles west of Graton, on road to Occidental. Comment
  SD58370  Brodiaea stellaris Harry K. Roberts 1961-5-23 Sonoma About 1.75 miles northeast of Occidental, just west of County Dump at top of Harrison Grade, Ao to I(c) mile west of the type locality of Arctostaphylos bakeri. 221 Comment
  UC1300938  Brodiaea terrestris subsp. terrestris Helen K. Sharsmith 1963-5-25 5485 Sonoma near Occidental (Occidental grade); San Francisco Bay Region 152 Comment
  CAS-BOT-BC486465  Brodiaea terrestris subsp. terrestris Peter Rubtzoff; Rimo Bacigalupi 1971-6-10 6528 Sonoma South side of W. Railroad Ave. between Fwy. 101 and Stony Point Rd. Comment
  CAS-BOT-BC311812  Bromus Peter Rubtzoff 1964-6-24 5376 Sonoma Coleman Marsh. Comment
  CAS-BOT-BC149090  Bromus carinatus var. carinatus Peter Rubtzoff 1953-5-18 1401 Sonoma South of Guernevile (Neeley Hill area). Comment
  CAS-BOT-BC149096  Bromus carinatus var. carinatus Lewis S. Rose 1962-4-18 62024 Sonoma 1 mile northwest of Freestone. 76 Comment
  UC1155620  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1942-5-12 3231 Sonoma 2.8 mi n of Occidental (on road to Monte Rio) Comment
  CAS-BOT-BC149084  Bromus carinatus var. carinatus David L. Morgan 1961-4-26 s.n. Sonoma Marshal - Petaluma road 5 miles west of junction of Wilson Hill Road. Comment
  CAS-BOT-BC155896  Bromus catharticus var. elatus David L. Morgan 1956-4-24 s.n. Sonoma On State Highway #12, 1 mile east of Schellville Railroad Station. Comment
  CAS-BOT-BC155665  Bromus diandrus Peter Rubtzoff 1952-5-10 1021 Sonoma Pitkin Marsh near Forestville. Bordering the Upper Marsh in the east. Comment
  SEINET10517953  Bromus diandrus A. Arthur Heller 1902-4-17 Heller 5322 Sonoma Santa Rosa. Comment
  CAS-BOT-BC155213  Bromus hordeaceus Mary P. Wells 1984-4-23 190 Sonoma Rincon Valley, Santa Rosa. Comment
  UC1146638  Bromus laevipes Freed W. Hoffman 1941-6-20 2102 Sonoma near Camp Meeker (North Coast Ranges, Oregon Canyon); North Coast Ranges, Oregon Canyon Comment
  UCD36300  Bromus laevipes Beecher Crampton 1953-5-19 1296 Sonoma Sonoma County, 10 miles west of Calistoga, on Highway 128. Comment
  CAS-BOT-BC161584  Bromus sterilis John Thomas Howell 1949-4-6 25305 Sonoma Along road southwest of Sonoma. Comment
  UC766916  Bromus vulgaris R. F. Hoover 1941-5-14 5097 Sonoma sw of Occidental (near Joy District School) Comment
  UCD151081  Bromus vulgaris James A. Neilson Jr. 1974-6-1 3022 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, ca. 3 1/2 mi. west of Whispering Pines, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UCD36681  Bromus vulgaris Beecher Crampton 1955-6-17 2928 Sonoma Sonoma County, 1.6 miles west of Forestville, along State Highway 12. Comment
  UCD126494  Brugmansia sanguinea A. Greive 1941-8-3 s.n. Sonoma Stewart's Point on coast. Comment
  CAS-BOT-BC233704  Buddleja davidii Catherine Best 1984-8-18 1042 Sonoma Russian River Highway about .5 miles east of Monte Rio Comment
  UC604140  Cakile maritima Baker 1938-5-6 8978 Sonoma at mouth of Salmon Creek Salmon Creek Comment
  CHSC80116  Calamagrostis bolanderi Colette Beaupre 2000-7-6 Sonoma Near Sea Ranch, on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB and M. 182 Comment
  UC1026380  Calamagrostis bolanderi John Thomas Howell 1947-6-26 23312 Sonoma Cunningham Marsh Comment
  RSA144400  Calamagrostis koelerioides Roxana S. Ferris, Laura Lorraine 1961-6-15 13563 Sonoma On Harrison Grade Road, 0.3 mi from Junction with Green Valley Road. Comment
  UC1023583  Calamagrostis koelerioides unknown 1936-5-4 208 Sonoma Monte Rio Comment
  UC768853  Calamagrostis koelerioides Robert F. Hoover 1941-6-7 5312 Sonoma 2 mi se Monte Rio (on road to Camp Meeker) Comment
  SDSU970  Calamagrostis nutkaensis D. F. Howe 1963-7-3 3582 Sonoma 19 miles north of junction with #12 on #1 Comment
  SEINET253574 Image available Calamagrostis nutkaensis Barbara L. Wilson 1997-7-30 8902 Sonoma Salt Point State Park; Swale in grassy headland by the sea. 15 Comment
  UCD57515  Calamagrostis nutkaensis Chris Bowen 1974-6-2 146 Sonoma near State Highway 1, Sea Ranch, Unit 7 Owners' Map, near Whaler's Reach. 30 Comment
  CAS-BOT-BC185131  Calamagrostis nutkaensis Mary P. Wells 1982-8-21 128 Sonoma South Gerstle Cove, Salt Point State Park. Comment
  CAS-BOT-BC185116  Calamagrostis ophitidis Catherine Best 1957-5-16 4039 Sonoma Hot Springs Road, 3 miles southwest of Cloverdale. Comment
  UCD57533  Calamagrostis ophitidis Freed W. Hoffman 1941-6-1 2185 Sonoma North Coast Ranges, Oregon Canyon. Comment
  UC1360439  Calendula arvensis W. R. Russell 1967-3-28 Sonoma at roadside near cemetary at n end of town, Sonoma Sonoma Comment
  CAS-BOT-BC273245  Calendula arvensis John Thomas Howell 1954-4-1 29138 Sonoma Along highway just east of Shellville Comment
  RSA90984  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma JOrchards and fields just east of Sonoma. Comment
  UCD129661  Calendula arvensis Shirley C. Tucker 1965-2-7 s.n. Sonoma ca. 2 miles east of Sonoma. Comment
  CAS-BOT-BC290675  Callitriche Peter Rubtzoff 1969-5-16 6050 Sonoma Guerneville Marsh, eastern part of the marsh in Pocket Canyon. Comment
  NY248789  Callitriche heterophylla J. T. Howell 1935-5-5 12608 Sonoma Near Kenwood. Comment
  NY370183  Callitriche heterophylla var. bolanderi C. H. Michener 1893-4-25 s.n. Sonoma Comment
  CAS-BOT-BC293759  Callitriche heterophylla var. heterophylla Peter Rubtzoff 1961-5-24 4611 Sonoma Upper Stemple Creek Marsh. Comment
  UCSB45513  Callitriche palustris Roos, John 1957-7-2 Sonoma Miller's Ridge Comment
  CAS-BOT-BC331476  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4604 Sonoma Upper Stemple Creek Marsh. Comment
  UC157875  Calochortus amabilis Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  CAS-BOT-BC483282  Calochortus amabilis Roxana S. Ferris; Laura Lorraine 1961-6-15 13551 Sonoma Harrison Grade Road, 0.3 mile from junction with Green Valley Road Comment
  CAS-BOT-BC483288  Calochortus amabilis James McMurphy 1909-5-29 s.n. Sonoma Canyon near Geyserville Comment
  RSA177940  Calochortus amabilis Robert F. Thorne 1965-4-20 34360 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  CAS-BOT-BC492633  Calochortus luteus D. E. Breedlove 1980-6-27 44751 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC492641  Calochortus luteus Volney Rattan 1885-5-9 s.n. Sonoma Sonoma Creek Comment
  JEPS55606  Calochortus luteus D. M. Hutt 1965-6-17 Sonoma raised at U.C. Botanical Garden Comment
  UCD167963  Calochortus luteus James Neilson 1977-6-12 3918 Sonoma Mayacmas Mountains, McMicking Ranch. (McMicking Ranch is also known as Santa Angelina Ranch. Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS82316  Calochortus raichei Roger Raiche 1983-7-10 30490 Sonoma n of Greenville (e end of ridge of Rocky Mt, and w of Blue Rock, above Gray Creek to s and Devil Creek to n); Rocky Mt. 365 Comment
  JEPS128210  Calochortus tolmiei Roger Raiche 2000-5-5 090 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC494024  Calochortus tolmiei Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC494036  Calochortus tolmiei Mary P. Wells 1972-4-22 s.n. Sonoma On mound on Lot 10, unit15 near the cliff, The sea Ranch Comment
  SEINET8197749  Calochortus tolmiei W. Roderick 1967-5-13 s.n. Sonoma 1.5 miles N of Ft. Ross. 23 Comment
  CAS-BOT-BC132635  Calochortus uniflorus Alice Eastwood 1921-4-24 10336 Sonoma Santa Rosa Comment
  UC1299336  Calochortus vestae Freed W. Hoffman 1950-5-27 3598 Sonoma Gilliam Creek, a branch of East Austin Creek North Coast Ranges, Morrison Ridge, East Austin Creek Comment
  UC331107  Calycadenia multiglandulosa unknown 1877-5-1 309 Sonoma Knights Valley Comment
  JEPS86753  Calycadenia pauciflora Jack and Betty Guggolz 1990-6-22 1074 Sonoma n side of Ida Clayton Road, 2.15 mi from Hwy 128 438 Comment
  RSA135373  Calycadenia pauciflora Volney Rattan 1877-6-26 s.n. Sonoma Geysers Comment
  UCD129888  Calycadenia truncata K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  UCD158790  Calycadenia truncata James A. Neilson Jr. 1974-6-1 2877 Sonoma Mayacmas Mountains, Geyser Rock, Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  RSA0025118  Calycadenia truncata Peter Rubtzoff 1966-8-3 5779 Sonoma Going up Bennett Mountain from Lawndale to Bennett Mountain Lake. Comment
  CAS-BOT-BC90997  Calycanthus occidentalis A. A. Heller 1902-6-11 5689 Sonoma Santa Rosa Creek, east of Santa Rosa. Comment
  CAS-BOT-BC91007  Calycanthus occidentalis Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis. Comment
  JEPS78744  Calycanthus occidentalis Edward Lee 1936-6-7 2176 Sonoma Bohemian Grove, Trail No. 10, by streamlet Bohemian Grove, Trail No. 10 Comment
  RSA534717  Calycanthus occidentalis Peter Rubtzoff 1980-5-26 9446 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville. Comment
  UCD137800  Calycanthus occidentalis K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  UCR30831  Calycanthus occidentalis John C. Roos 1948-8-28 3956 Sonoma North Coast Ranges, Barrel Spring, Mill Creek, near Healdsburg 292 Comment
  POM320595  Calypso bulbosa Lynne Hayden 1970-4-4 67 Sonoma Armstrong Redwood State Park Russian River, Rich loam, Redwood forest Comment
  CAS-BOT-BC292509  Calystegia R. K. Brummitt; T. F. Daniel 1997-5-31 19617 Sonoma 10 km NE of Santa Rosa, Pepperwood Ranch Natural Preserve, 2 km N of Bechtel Cabin. 300 Comment
  RSA799041  Calystegia collina subsp. collina Sandra M. Namoff, Eric R. Carter 2013-6-20 94 Sonoma East of Santa Rosa, N side of Los Alamos Rd about 0.5 miles east of high transmission lines, same location as Jack and Betty Guggolz 1107. 524 Comment
  HSC96671  Calystegia collina subsp. oxyphylla Thomas W. Nelson, Jane Nelson 2004-5-5 9198 Sonoma Along Pine Flat Rd. 2 mi. from jct. with Hwy. 128 136 Comment
  JEPS87233  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1992-5-2 1271 Sonoma Found on the north side of White Rock, 1 3/4 miles north of Jimtown 304 Comment
  UCD160869  Calystegia purpurata James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3295 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCD125693  Calystegia purpurata subsp. purpurata Frederica Bowcutt 1994-5-1 1749 Sonoma Sugarloaf Ridge State Park. About 40 air miles north of San Francisco; about 11 air miles E of Santa Rosa; about 2.5 air miles N of Kenwood. Adobe Canyon along Goodspeed Trail about 1/8 mile from trail head on Adobe Canyon Road. 213 Comment
  UCD125696  Calystegia purpurata subsp. purpurata Frederica Bowcutt 1994-7-5 1932 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 70 ft. S of Campfire Center, N and E of campground. 381 Comment
  POM180618  Calystegia purpurata subsp. saxicola J. T. Howell 1930-6-8 5290 Sonoma 8.5 miles N of Bodega Bay Comment
  JEPS120458  Calystegia purpurata subsp. saxicola Daniel Slakey 2013-7-10 58 Sonoma Salt Point State Park, specimens collected along a 1 mile stretch of coast surrounding Salt Point. Comment
  CAS-BOT-BC436454  Calystegia subacaulis Alice Eastwood 1921-5-8 10473 Sonoma Petaluma Comment
  UC1299584  Calystegia subacaulis Freed W. Hoffman 1947-4-13 777 Sonoma North Coast Ranges. Near Guerneville, Gilliam Creek. 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
  CAS-BOT-BC498778  Camassia quamash subsp. linearis Peter Rubtzoff 1957-5-11 3326 Sonoma Occidental Marsh; Sonoma County Marshes Comment
  CAS-BOT-BC160364  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Peter H. Raven 1963-4-28 18247 Sonoma Between town of Bodega Bay and Bodega Head Comment
  UCD103523  Camissoniopsis cheiranthifolia subsp. cheiranthifolia David C. Fruchtenicht 1965-5-1 54 Sonoma Marine Biological Station, Horseshoe Cove, Bodega Head. 6 Comment
  CAS-BOT-BC266420  Campanula californica Herbert L. Mason 1946-7-4 12894 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UC657708  Campanula californica Milo S. Baker 1941-8-4 10165 Sonoma Coast Hwy between Ft. Ross and Stewart's Point Comment
  CAS-BOT-BC266426  Campanula californica Lester Rowntree 1931-7-15 s.n. Sonoma [Skyp?] Springs Road Comment
  SEINET10463915  Campanula californica Wolf 1927-9-2 WOLF 1355 Sonoma 21 MI S OF GUALALA RIVER ON COAST ROAD Comment
  SEINET10463934  Campanula californica Rimo Bacigalupi 1967-8-30 Bacigalupi 9312 Sonoma Pitkin Marsh, near eastern end of Templeman Road, southeast of Forestville 46 Comment
  SEINET10463936  Campanula californica Parks 1925-7-20 PARKS s.n. Sonoma Stewarts Point Comment
  SEINET10905991  Campanula californica Hektner 1974-8-27 HEKTNER 182 A Sonoma SEA RANCH, NR STATE HWY 1, UNIT 24 (OWNER"S MAP) ASSOC. IN WET CALAMAGROSTIS W RUBUS & DESCHAMPSIA Comment
  UC456047  Campanula prenanthoides I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  SEINET10463208  Campanula prenanthoides Rowntree 1931-7-15 ROWNTREE s.n. Sonoma STEWART PT. SKAGGS SPRINGS ROAD SHADY BANK Comment
  SEINET10905928  Campanula prenanthoides Rattan 1877-6-25 RATTAN s.n. Sonoma CLOVERDALE Comment
  RSA790007  Capsella bursa-pastoris Peter Rubtzoff 1974-5-19 7443 Sonoma Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC37757  Cardamine californica A. A. Heller; H. E. Brown 1902-3-14 5056 Sonoma Near Santa Rosa. Comment
  CAS-BOT-BC37764  Cardamine californica Alice Eastwood 1922-3-25 11098 Sonoma Calistoga. Comment
  UC10434  Cardamine californica F. T. Bioletti 1894-1 Sonoma Kenwood Comment
  UC909732  Cardamine californica Milo S. Baker 1950-4-1 12155 Sonoma w side Los Guilicos Valley (near location old R.R. tracks); w side Los Guilicos Valley Comment
  JEPS46177  Cardamine californica var. integrifolia Eleanor Armstrong 1933-4-2 698 Sonoma Camp Meeker 30 Comment
  UC1084357  Cardamine californica var. integrifolia G. Thomas Robbins 1937-3-26 16 Sonoma along highway to Sebastopol just w Wright School; w of Wright School Comment
  UC72911  Cardamine californica var. integrifolia Milo S. Baker 1898-2-13 716 Sonoma near Santa Rosa (Taylor Mt.); , near Santa Rosa Comment
  UC1299649  Cardamine californica var. sinuata Freed W. Hoffman 1947-3-6 813 Sonoma Gilliam Creek North Coast Ranges, Gilliam Creek Comment
  UCD114519  Cardamine hirsuta John Thomas Howell 1946-3-31 21589 Sonoma Sonoma. Comment
  CAS-BOT-BC38038  Cardamine oligosperma Mary P. Wells 1989-3-28 976 Sonoma By cement path to Friends House from 637 Bambi Lane, Rincon Valley, Santa Rosa. Comment
  CAS-BOT-BC173679  Carduus Peter Rubtzoff 1959-6-13 4141 Sonoma Willow Creek Marsh. Comment
  OBI63072  Carduus pycnocephalus R. K. Brummitt, A. Wolf, & R. W. Howe, R. W. Howe 1998-5-15 19862 Sonoma 17 km NNE of Healdsburg, on Pine Flat rd near Red Hill 650 Comment
  SEINET10799431  Carduus pycnocephalus David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-9 Dunn 20709 Sonoma Coll. 5.3 mi. E of the Jc t. of Hwy. 101 and Hwy. 116 on 116. Rolling hills of grasses. Along the roadside in clay banks. Comment
  UCD85585  Carduus pycnocephalus Peta Lewis 1967-5-13 13 Sonoma ca. 2 miles east on River Road, 3 miles north of Guerneville. 22 Comment
  UCD159445  Carduus pycnocephalus subsp. pycnocephalus D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 202 Sonoma Near Sonoma state beach hiking trail. Abundant. 40 Comment
  CAS-BOT-BC422343  Carex Peter Rubtzoff 1976-5-30 8562 Sonoma Kenwood Marsh. Comment
  UCR254780  Carex abrupta Peter Rubtzoff 1954-6-19 1494 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC329309  Carex barbarae Peter Rubtzoff 1974-6-2 7524 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC371454  Carex barbarae Peter Rubtzoff 1958-4-26 3606 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCR248934  Carex barbarae Peter Rubtzoff 1976-5-30 8577 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  CHSC55604  Carex bolanderi James Jokerst 1985-4-26 2269 Sonoma Near Caldwell Ranch. Comment
  JEPS120454  Carex californica Daniel Slakey 2013-8-10 60 Sonoma Salt Point State Park, along North Trail, about 100 m north of the intersection with Central Trail. Comment
  CAS-BOT-BC18981  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13040 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC20488  Carex densa G. DeNevers 1981-6-15 1549 Sonoma Pepperwood Ranch. At Rogers Apple Orchard. Comment
  CAS-BOT-BC20514  Carex densa Peter Rubtzoff 1954-6-7 1478 Sonoma Sonoma County Marshes. Guerneville Marsh. Comment
  CAS-BOT-BC242642  Carex densa Peter Rubtzoff 1955-5-21 1860 Sonoma Forestville Marsh. North facing slope bordering the marsh in the South Comment
  CAS-BOT-BC246547  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Stony Point Marsh Comment
  UC1133352  Carex densa H. S. Yates 1936-5-16 5583 Sonoma 1 mi NE of Graton 30 Comment
  UC934  Carex densa H. N. Bolander Apr 1864 3871 Sonoma Russian River Comment
  CAS-BOT-BC20508  Carex densa Peter Rubtzoff 1958-4-26 3603 Sonoma Sonoma County Marshes. Laguna de Santa Rosa east of Sebastopol. Comment
  RSA212189  Carex dudleyi L. S. Rose 1939-5-14 39117 Sonoma Bodega. 30 Comment
  CAS-BOT-BC329292  Carex exsiccata Peter Rubtzoff 1954-8-2 1622 Sonoma Duncans Mills Marsh, upper portion of the marsh. Comment
  CAS-BOT-BC20136  Carex feta James D. Jokerst 1985-4-26 2273 Sonoma Near Caldwell Ranch. Comment
  CAS-BOT-BC20139  Carex feta Alice Eastwood; John Thomas Howell 1936-5-19 2525 Sonoma Near Asti. Comment
  CAS-BOT-BC20451  Carex globosa John Thomas Howell; J. W. Stacey 1936-7-26 12662 Sonoma Near Monte Rio. Comment
  RSA177947  Carex globosa Robert F. Thorne 1965-4-19 34321 Sonoma Harrison Grade 1/2 mile E of Stoetz Road. 152 Comment
  RSA52013  Carex globosa J. T. Howell 1945-5-30 20913 Sonoma Vine Hill School. Comment
  UCD140351  Carex globosa Frederica Bowcutt 1994-5-1 1760 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa and 2.5 air miles NE Kenwood and 18 air miles NW of Napa. Adobe Canyon along Goodspeed Trail about 200 yards from just E of Bear Creek about 5 yards N of confluence with Sonoma Creek about 40 yards. Comment
  UC1026416  Carex gracilior Peter Rubtzoff 1951-6-16 12246 Sonoma near Forestville (w branch of the Upper Marsh); Pitkin Marsh Comment
  UCD112362  Carex gracilior Peter Rubtzoff 1954-6-20 1500 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC32473  Carex gracilior Henry Nicholas Bolander 1864-4-1 3822 Sonoma Meadow at Cloverdale Comment
  UCD112358  Carex gracilior Peter Rubtzoff 1958-5-10 3635 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC311807  Carex gynodynama Peter Rubtzoff 1957-5-26 3358 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC320572  Carex harfordii Peter Rubtzoff 1964-5-20 5320 Sonoma Bodega Bay Marsh. Comment
  UCR248967  Carex hassei Peter Rubtzoff 1963-7-6 5194 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road) 31 Comment
  SEINET10647589  Carex hookeriana A. Arthur Heller 1902-4-17 Heller 5324 Sonoma Santa Rosa. Comment
  CAS-BOT-BC31176  Carex lemmonii Peter Rubtzoff 1974-6-8 7572 Sonoma Pitkin Marsh, near forestville. In the southern part of the Upper Marsh, Comment
  CAS-BOT-BC31179  Carex lemmonii Peter Rubtzoff 1951-6-16 260 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  UCD140480  Carex leporina Frederica Bowcutt 1994-5-1 1782 a Sonoma Sugarloaf Ridge State Park. About 50 air miles north of San Francisco. About 10 air miles east of Santa Rosa. About 2.5 air miles north of Kenwood. About 18 air miles northwest of Napa. Campground, south of Sonoma Creek about 150 yards, 1/4 miles NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. Comment
  CAS-BOT-BC329277  Carex leptopoda Peter Rubtzoff 1964-6-24 5374 Sonoma Lower Salmon Creek Marsh. Comment
  HSC7141  Carex leptopoda L. S. Rose 1964-6-3 64051 Sonoma N end of Bodega Bay swamp 2 Comment
  UCR249079  Carex leptopoda Peter Rubtzoff, Nancy Harrison 1974-7-13 7680 Sonoma Upper Green Valley Marsh Comment
  UC1508  Carex nudata H. N. Bolander Apr 1864 3812 Sonoma Mark West Creek Comment
  CAS-BOT-BC119577  Carex nudata Gregory Clark de Nevers 1981-3-14 528 B Sonoma Pippindale farm, 7 mi NE of Santa Rosa, near Mark West lodge. Comment
  SEINET10711633  Carex nudata Prouty 1980-4-12 PROUTY 122 Sonoma T8N, R7W, sec. 8 Porter Creek Rd., .1 mi. west of the junction with Petrified Forest Rd. Mixed Evergreen, south side of road along Porter Creek. 256 Comment
  CAS-BOT-BC310305  Carex obnupta Peter Rubtzoff 1964-6-20 s.n. Sonoma Laguna de Santa Rosa, southeast of Sebastopol (near Cooper Road). Comment
  CAS-BOT-BC119317  Carex obnupta P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  RSA0025197  Carex obnupta Peter Rubtzoff 1957-6-28 3376 Sonoma Ducans Mills Marsh. Comment
  UC766939  Carex pachystachya R. F. Hoover 1941-5-14 5081 Sonoma 3 mi s Monte Rio (on road to Camp Meeker) Comment
  CAS-BOT-BC118940  Carex pellita Peter Rubtzoff 1952-5-31 1118 Sonoma Pitkin Marsh, near Forestville. Southern half of the Lower Marsh. Comment
  UCD77469  Carex rossii Robert E. Preston 1998-5-22 1104 Sonoma Myers Ranch, 2 mi NE of Occidental 152 Comment
  CAS-BOT-BC173805  Carex stipata Peter Rubtzoff; Nancy Harrison 1978-5-20 9178 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  UCD140874  Carex subbracteata Lewis S. Rose 1964-6-3 64052 Sonoma north end of Bodega Bay. 1 Comment
  UCR249052  Carex subbracteata Peter Rubtzoff 1976-5-30 8564 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  CAS-BOT-BC116784  Carex subbracteata var. subbracteata Peter Rubtzoff 1960-6-7 4446 Sonoma Austin Creek Marsh. Comment
  UC836641  Carex tumulicola Lewis S. Rose 1939-5-14 39118 Sonoma 1 mi e Bodega Bay 30 Comment
  UCR248871  Carex tumulicola Peter Rubtzoff 1959-4-18 4035 Sonoma Laguna de Santa Rosa, NE of Graton, c. 0.5 mi north of Guerneville Rd. crossing 21 Comment
  CAS-BOT-BC230227  Carpobrotus edulis John H. Thomas 1976-6-15 18302 Sonoma S end of Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  CAS-BOT-BC281882  Carthamus T. C. Fuller 1969-9-16 18901 Sonoma Ca 1 mile W of the Asti turn-off of the freeway, Highway 101, Asti Comment
  CAS-BOT-BC281920  Carthamus lanatus Greg de Nevers 1992-7-22 10223 Sonoma Sonoma Mountain, Lichau Rd, Fairfield-Osborn Preserve 243 Comment
  SEINET13331044 Image available Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma 0.25 acre of weed scattered over 2 acres, abundant on both slopes of the dam of a reservoir, about 1 mi. W. of the Asti turn-off of the freeway, Hwy 101, Asti Comment
  UCD129937  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma ca. 1 mile west of Asti turn-off of the freeway, Hwy 101, Asti. Comment
  JEPS22230  Castilleja ambigua subsp. ambigua Rimo Bacigalupi with members of the California Botanical Society 1958-5-24 6361 Sonoma n of Sebastopol (ground above Pitkin Marsh); Vine Hill Region 60 Comment
  JEPS27377  Castilleja ambigua subsp. ambigua H. W. Grinnell 1933-7-21 Sonoma Bodega Bay, old road Bodega Bay Comment
  RSA107433  Castilleja ambigua subsp. ambigua L. S. Rose 1955-6-2 55057 Sonoma Pitkin Marsh, w. of Vine Hil Road, 10 mi. w. of Santa Rosa. 30 Comment
  UC726151  Castilleja attenuata A. A. Heller 1940-4-22 15551 Sonoma near West Windsor Comment
  SBBG7042  Castilleja exserta subsp. exserta H. and M. Dearing 1939-5-14 3364 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCD122482  Castilleja foliolosa Frederica Bowcutt 1996-5-24 2168 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road W of kiosk. 670 Comment
  UCD122506  Castilleja foliolosa G. E. Kerley 1966-4-3 66- 19 Sonoma Trinity Road, 7.3 miles southwest of Oakville. 304 Comment
  UCD122530  Castilleja foliolosa Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 64 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 259 Comment
  JEPS66231  Castilleja miniata subsp. miniata T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6903 Sonoma about south-central Pitkin Marsh (near end of Templeton Road); , about south-central Comment
Read comments Oct 15 2010
  JEPS33889  Castilleja wightii Lloy Thurman and Ted Crovello 1964-4-12 Sonoma about 5 mi s Jenner (along the coast (Highway 1)) Comment
  JEPS35568  Castilleja wightii L. R. Heckard 1964-6-12 1386 Sonoma s side Russian River (just across bridge on State Hwy 1) Comment
  JEPS60451  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-29 6689 Sonoma 2.9 mi s Russian River (Highway 1) Comment
  CAS-BOT-BC47805  Ceanothus James McMurphy 1909-5-29 s.n. Sonoma ridge south of the Geysers 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
  OBI10273  Ceanothus confusus H. E. McMinn 1941-4-27 5322 Sonoma Rincon Ridge 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
  UC80039  Ceanothus confusus Alice Eastwood 1893-4-27 Sonoma Hood Mountain Comment
  CAS-BOT-BC48517  Ceanothus confusus Roger Raiche 1985-11-28 RR 50897 Sonoma w of Cloverdale, Red Mt. between Hot Springs Road & Cherry Creek Road 377 Comment
  RSA0005480  Ceanothus confusus J. T. Howell 1937-7-4 13080 Sonoma Rincon Ridge, northeast of Santa Rosa. Comment
  CAS-BOT-BC49698  Ceanothus cuneatus var. ramulosus G. DeNevers 1981-4-1 604 Sonoma E side of road at Mark West Creekand Leslie Creek Comment
  RSA0028419  Ceanothus divergens A. A. Heller, H. E. Brown 1902-3-27 9008 Sonoma Western base of Mt. Hood. Comment
  UC1614284  Ceanothus foliosus Charles M. Belshaw 1936-3-7 1569 A Sonoma just east of Trenton (turn off to Vine Hill School); Forest Hill Road Comment
  UC79975  Ceanothus foliosus Alice Eastwood 1893-4-27 Sonoma Hood Mountain Comment
  UCD158718  Ceanothus foliosus James A. Neilson Jr. 1974-7-10 2836 Sonoma Mayacmas Mountains. South of Little Geysers. 792 Comment
  SEINET13945879 Image available Ceanothus foliosus A. E. Wieslander 1938-1 860 Sonoma 3 miles E of Mt. St. Helena, T9N R7W. Alt 1500 ft Comment
  CAS-BOT-BC64421  Ceanothus foliosus subsp. vineatus Milo S. Baker 1946-4-29 11355 Sonoma Vine Hill region along College Ave. hwy. Comment
  CAS-BOT-BC49910  Ceanothus foliosus var. foliosus A. A. Heller; H. E. Brown 1902-5-29 5619 Sonoma Mt. Hood Comment
  CAS-BOT-BC49912  Ceanothus foliosus var. foliosus Tom Craig 1941-6-18 s.n. Sonoma Trinity Road, west slope, between Glen Ellen and Rutherford Comment
  CAS-BOT-BC49913  Ceanothus foliosus var. foliosus D. E. Breedlove 1983-4-11 58671 Sonoma Pepperwood Ranch W of Knights Valley 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
  CAS-BOT-BC50016  Ceanothus gloriosus John Thomas Howell 1937-4-11 12901 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49947  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6693 Sonoma Arroyos, Vine Hill district, 9 miles west of Santa Rosa Comment
  UC604114  Ceanothus gloriosus var. exaltatus Leo Koch 1938-5-26 164 Sonoma transplanted from Vine Hill near type locality Santa Rosa (Junior College). Comment
  UCD112155  Ceanothus gloriosus var. exaltatus L. Whitney 1932-4-1 s.n. Sonoma Vine Hill district, Santa Rosa. Comment
  CAS-BOT-BC49977  Ceanothus gloriosus var. gloriosus Carl B. Wolf 1927-9-2 1341 Sonoma 2 miles South of Anchor Cove Comment
  CAS-BOT-BC50956  Ceanothus integerrimus Walter Knight; Irja Knight 1963-12-27 473 Sonoma Summit, Pine Flat Rd Comment
  UCD111962  Ceanothus integerrimus Beecher Crampton 1954-4-26 1795 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  CAS-BOT-BC50601  Ceanothus jepsonii Catherine Best 1981-4-4 s.n. Sonoma Near Occidental on Stoetz Lane Comment
  CAS-BOT-BC50644  Ceanothus jepsonii Roxana S. Ferris; Laura Lorraine 1961-6-15 13567 Sonoma Harrison Grade 1.3 mi. from junction with Green Valley Road Comment
  POM203618  Ceanothus jepsonii J. T. Howell 1933-4-2 10959 Sonoma 2 miles east of Occidental Comment
  RSA1148  Ceanothus jepsonii B. D. Stark 1929-7-22 1381 Sonoma Sonoma-Mendocino County line. Comment
  UC1299548  Ceanothus jepsonii Freed W. Hoffman 1947-2-28 765 Sonoma near Guerneville (headwaters of Gilliam Creek); North Coast Ranges, headwaters of Gilliam Creek Comment
  SEINET12211093  Ceanothus jepsonii var. albiflorus I. Knight, Knightwedwards, S. 1986-1 5360 Sonoma Access from Healdsburg-Geysers Road 975 Comment
  SDSU10309  Ceanothus oliganthus var. sorediatus Claire Schneider, Gary Waayers 1993-4-10 10 IV93A Sonoma Located off of Trinity Road., ca. 1.0 mile east from intersection with State Hwy 12. 222 Comment
Read comments Mar 3 2009
  CAS-BOT-BC51877  Ceanothus parryi Peter Rubtzoff 1953-5-17 1384 Sonoma Forested hills South of Guerneville (Neeley Hill area) Comment
  POM136669  Ceanothus parryi A. A. Heller, H. E. Brown 1902-5-29 5620 Sonoma Mt. Hood. Comment
  RSA122367  Ceanothus parryi H. S. Yates 1934-4-21 3814 Sonoma near Guerneville 91 Comment
  CAS-BOT-BC53043  Ceanothus sonomensis A. A. Heller; H. E. Brown 1902-3-12 s.n. Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  SBBG26768  Ceanothus sonomensis J. T. Howell 1935-5-5 Sonoma Triniti Mtn 2 mi NE of Glen Ellen Comment
  SBBG34155  Ceanothus sonomensis R. Gankin 1966-3-3 689 Sonoma Hooker Cyn, below Cavedale Rd, 3.1 mi E of jct with St Hwy 12 Comment
  UC618361  Ceanothus sonomensis John Thomas Howell 1935-5-5 12609 Sonoma Slopes of Trinity Mt. 2 miles E of Glen Ellen Comment
  UCD123964  Ceanothus sonomensis D. O. Burge 2008-5-25 991 e Sonoma Mayacamas Mountains, western slope of Hooker Canyon, at the residence of Marc Schwager and Allison Ash, Elarra Reserve, 3200 Cavedale Road, 4.50 km 92 deg. ESE of Glen Ellen. 500 Comment
  CAS-BOT-BC53040  Ceanothus sonomensis Roman Gankin 1966-3-3 689 Sonoma On south-facing slope in Hooker Canyon, below Cavedale Road, 3.1 miles east of junction with State Highway 12 Comment
  RSA175239  Ceanothus sonomensis Robert F. Thorne, Percy C. Everett 1963-6-8 32247 Sonoma Canedale road, 2 miles E of Glan Ellen, Hood's Peak Range betw Napa and Sonoma Valleys Comment
  SBBG4259  Ceanothus thyrsiflorus var. griseus H. and M. Dearing 1939-5-15 3378 Sonoma N of Fort Ross Comment
  UCD112732  Ceanothus thyrsiflorus var. griseus C. B. Heiser Jr. 1946-4-13 1753 Sonoma Roadside near Jenner. Comment
  HSC100876  Ceanothus velutinus Peter Warner 2011-6-16 215 Sonoma Jenner Headlands property, northeastern area, on ridge between Jenner Gulch and Kidd Creek watersheds, ~ 200 m fr. boundary with E&P Ranch 470 Comment
  CAS-BOT-BC52417  Ceanothus velutinus var. velutinus Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano 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
  SDSU6444  Centaurea calcitrapa D. F. Howe 1962-7-28 3362 Sonoma Mark West Creek, 3.4 miles east of #101. Comment
  CDA33632  Centaurea iberica R. Breckenridge, A. Smith, K. Filippini 2010-7-21 PDR# 1313479 Sonoma Calistoga; La Franchi Ranch, State Hwy 128. 0 Comment
  UCD130036  Centaurea melitensis Frederica Bowcutt 1994-6-24 1891 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles E of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/4 way from Bald Mountain Trail to Headwaters Trail. 554 Comment
  UC75838  Centromadia fitchii Miss M. Alice King 1897-6-1 Sonoma near Healdsburg Comment
  CAS-BOT-BC384869  Cerastium Peter Rubtzoff 1983-8-28 9677 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  CAS-BOT-BC384972  Cerastium arvense A. A. Heller; H. E. Brown 1902-4-11 5269 Sonoma Bodega Bay Comment
  CAS-BOT-BC384978  Cerastium arvense Catherine Best 1983-4-16 s.n. Sonoma Along the Coleman Valley Rd. about 5 miles West of Occidental Comment
  CAS-BOT-BC400227  Ceratophyllum demersum Peter Rubtzoff 1955-8-27 2103 Sonoma Bennett Mtn. Lake Comment
  POM187556  Cercis occidentalis Jones 1931-7-5 28974 Sonoma The Geysers Comment
  SEINET176827  Cercocarpus betuloides John T. Howell 1933-4-2 10938 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC279781  Chamaemelum fuscatum Jerry Parsons 1983-3-26 25 Sonoma 1/2 m off Highway 101, S of City of Santa Rosa Comment
  CAS-BOT-BC166919  Chenopodium Peter Rubtzoff 1974-9-14 7892 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166671  Chenopodium Peter Rubtzoff 1971-8-9 6639 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC166742  Chenopodium Peter Rubtzoff 1968-9-21 5987 Sonoma Petaluma Creek at Stony Point Road, 4 miles northwest of Petaluma. Comment
  CAS-BOT-BC499251  Chlorogalum pomeridianum Peter Rubtzoff 1951-8-18 632 Sonoma Pitkin Marsh, near Forestville, western branch of the upper marsh Comment
  UCD138415  Chlorogalum pomeridianum Mary M. Hektner 1975-6-22 210 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  POM169099  Chlorogalum pomeridianum var. pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC246321  Chloropyron maritimum subsp. palustre John Thomas Howell 1955-8-6 30895 Sonoma On west side of Bodega Bay Comment
  CAS-BOT-BC191506  Chorizanthe cuspidata var. villosa Alice Eastwood 1915-6-29 4832 Sonoma Bodega Point Comment
  CAS-BOT-BC173825  Chrysanthemum Peter Rubtzoff 1970-9-3 6369 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA8361  Chrysanthemum segetum L. S. Rose 1933-5-9 33154 Sonoma Bodega Bay. Comment
  SJSU6040  Cicuta douglasii C. W. Sharsmith 1972-6-24 7802 Sonoma Forestville Marsh c. 0.5 mi E of Forestville NW of Sebastopol, southern Sonoma County 42 Comment
  RSA135376  Circaea alpina subsp. pacifica Volney Rattan 1877-6-13 s.n. Sonoma Guernville Comment
  RSA0015628  Cirsium brevistylum Peter Rubtzoff 1964-5-20 5313 Sonoma Brooks Gulch Marsh. Comment
  UCD161669  Cirsium cymosum James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3369 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC278069  Cirsium douglasii var. breweri Walter Knight; Irja Knight; Tiffany Knight; Steve Edwards 1985-7-21 6358 Sonoma Pine Flat Road 304 Comment
  SEINET10615512 Image available Cirsium douglasii var. canescens A. Arthur Heller 1902-7-2 Heller 5804 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  UC178902  Cirsium douglasii var. douglasii Katharine Brandegee 1905-6-25 Sonoma Bodega Comment
  CAS-BOT-BC285704  Cirsium occidentale var. occidentale Joanne Taylor 1941-7-13 13 Sonoma Bodega Head 30 Comment
  JEPS59209  Cirsium occidentale var. occidentale unknown 1925-7-25 86 Sonoma Bodega Pt. Comment
  CAS-BOT-BC280363  Cirsium occidentale var. venustum Blanche Clear 1938-5-28 s.n. Sonoma Hillside between Geyserville & Alexander Valley Comment
  UC480934  Cirsium occidentale var. venustum H. P. Chandler 1907-4-21 7531 Sonoma road fr. Glen Ellen to Oakville Comment
  CAS-BOT-BC280541  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  UC30823  Cirsium quercetorum W. A. Setchell 1897-6-1 Sonoma Fort Ross Comment
  CAS-BOT-BC280533  Cirsium quercetorum Mrs. H. C. Cantelow 1936-5-3 s.n. Sonoma Near El Verano Comment
  CAS-BOT-BC285751  Cirsium remotifolium Alice Eastwood; John Thomas Howell 1938-7-6 6088 Sonoma Alder Glen Springs Comment
  JEPS79728  Cirsium remotifolium var. odontolepis Edward Lee with W. A. Setchell 1936-6-7 2205 Sonoma MacLaren Trail Bohemian Grove (roadside) Comment
  CAS-BOT-BC285898  Cirsium vulgare John Thomas Howell 1930-6-8 5286 Sonoma 8.5 miles n. of Bodega Bay Comment
  UCD159443  Cirsium vulgare D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 200 Sonoma Near Sonoma state beach hiking trail. Abundant. 41 Comment
  CAS-BOT-BC169774  Cistanthe quadripetala Maxine Wilkes 1940-5-1 s.n. Sonoma Mt. St. Helena Comment
  UC423079  Clarkia amoena subsp. amoena Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC172213  Clarkia concinna Roxana S. Ferris; Laura Lorraine 1961-6-15 13550 Sonoma Green Valley Road, 0.8 mi. E of junction with Harrison Grade Road Comment
  UCD104412  Clarkia concinna Amelie Blyth 1952-5-4 8- 4 Sonoma Along highway between Geyserville and Stewart's Point, about 6 miles from Geyserville. Comment
  CHSC41508  Clarkia concinna subsp. concinna R. N. Bowman 1985-5-23 6074 Sonoma Along w side of roadway, .2 miles w of Mark West Springs on Mark West Springs Rd. 134 Comment
  POM32268  Clarkia concinna subsp. concinna Michener, Bioletti 1893-06 s.n. Sonoma Kenwood Comment
  UCD151107  Clarkia gracilis James A. Neilson Jr. 1974-6-1 s.n. Sonoma Mayacmas Mountains, Geyser Rock area, old road to Geyser Peak, ca. 3.5 mi. west of Whispering Pines, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UCD160114  Clarkia gracilis James A. Neilson Jr. 1973-6-3 2970 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
  UC107859  Clarkia gracilis subsp. sonomensis Michener and Bioletti 1893-6-10 37 Sonoma Glen Ellen Comment
  UC373496  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 17 Sonoma 1/2 mi e Glen Ellen; ; E of Glen Ellen, Sonoma Co. 30 Comment
  UC725843  Clarkia gracilis subsp. sonomensis A. A. Heller 1941-6-4 16162 Sonoma several mi e Santa Rosa (on the road to Sonoma) Comment
  POM187553  Clarkia gracilis subsp. sonomensis Marcus E. Jones 1931-7-5 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC163150  Clarkia imbricata John Thomas Howell 1945-7-18 21315 Sonoma Dry slope bordering Pitkin Marsh Comment
  RSA108400  Clarkia imbricata Harlan Lewis, M. Lewis 1951-7-10 865 Sonoma Santa Rosa to Guerneville; 6230 Vine Hill road Comment
  UCD104865  Clarkia purpurea Michelle Mahoney 1965-5-23 s.n. Sonoma On Old Fire Road off Highway 116 in Hacienda Park. 91 Comment
  CAS-BOT-BC163466  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1955-6-3 30260 Sonoma Near Vine Hill School Comment
  UC930737  Clarkia purpurea subsp. quadrivulnera Alice Eastwood, John Thomas Howell 1939-6-11 7415 Sonoma near Triniti P.O.; Hood Mt. Range Comment
  CAS-BOT-BC163471  Clarkia purpurea subsp. quadrivulnera Walter Knight; Irja Knight 1963-8-25 404 Sonoma Magnolia Ave, near cemetery, Petaluma Comment
  POM191622  Clarkia purpurea subsp. quadrivulnera H. E. Parks, S. T. Parks 1930-5-10 606 Sonoma Open hills around Knight s Valley Comment
  JEPS43668  Clarkia rhomboidea Eleanor Armstrong 1932-5-18 488 Sonoma 3 mi w Kenwood; Adobe Canyon 152 Comment
  CAS-BOT-BC165672  Clarkia unguiculata Milo S. Baker 1925-1-1 s.n. Sonoma Mark West Cr. [Canon] Canyon Comment
  UC852065  Claytonia gypsophiloides Alice Eastwood 1918-5-1 6819 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC439400  Claytonia gypsophiloides D. E. Breedlove 1976-3-27 39 .452 Sonoma Above Dry Creek, west of Warm Springs Dam Comment
  CAS-BOT-BC439406  Claytonia gypsophiloides F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  CAS-BOT-BC439411  Claytonia gypsophiloides Arthur Menzies 1966-3-27 s.n. Sonoma Between The Geysers and Mercuryville Comment
  CAS-BOT-BC439636  Claytonia parviflora subsp. parviflora A. A. Heller; H. E. Brown 1902-3-16 5077 Sonoma Russian River, near Trenton Comment
  CDA34795  Claytonia perfoliata Peter Warner 2010-3-29 122 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  HSC17700  Claytonia perfoliata F. Demostene 1966-4-2 11 Sonoma 2 mi. E of Healdsburg Comment
  UCD144660  Claytonia perfoliata Rimy Waraich; Patty Togioka, Erik Beever 1993-5-8 228 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. Pony Gate Trail. 304 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
  UCR105444  Claytonia sibirica Peter Rubtzoff 1967-8-22 5851 Sonoma Southeast of lower Salmon Creek Marsh 4 Comment
  SEINET12092983  Clematis lasiantha I. Knight, Knight, W.; Edwards, S. Dr 1986-1 5346 Sonoma Along trail to summit of Geyser Peak, access from Healdsburg-Geysers Rd 853 Comment
  CAS-BOT-BC92747  Clematis ligusticifolia Peter Rubtzoff 1962-9-16 5087 Sonoma Vacation Beach, 1.5 mile below Guerneville. Along Russian River. Comment
  CAS-BOT-BC92754  Clematis ligusticifolia John I. Carlson 1917-7-23 s.n. Sonoma Preston. Comment
  UCD35658  Clinopodium douglasii Beecher Crampton 1959-6-16 5395 Sonoma 1 mile northeast of Freestone. Comment
  CAS-BOT-BC499960  Clintonia andrewsiana Peter Rubtzoff 1957-4-28 3293 Sonoma Sonoma County Marshes, Duncans Mills Marsh Area Comment
  POM161577  Clintonia andrewsiana Rimo C. Bacigalupi 1926-5-8 1393 Sonoma Cazadero Comment
  RSA12260  Clintonia andrewsiana Carl B. Wolf 1934-6-29 5805 Sonoma 6/10 mile inland from Stewarts Point. 61 Comment
  CAS-BOT-BC238061  Collinsia Alice Eastwood 1922-5-5 11290 Sonoma Mt. St. Helena 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
  JEPS21814  Collinsia sparsiflora var. arvensis Alvin W. Urquhart 1958-4-13 21 Sonoma 2 mi e Glenn Ellen (Sonoma Mt. rd) 304 Comment
  RSA52649  Collinsia sparsiflora var. arvensis I. L. Wiggins 1949-4-30 12065 Sonoma 4 miles west of Calistoga, just within the county line. Comment
  UC353937  Collinsia sparsiflora var. collina unknown 1928-4-20 2976 b Sonoma Rincon Valley Comment
  JEPS87235  Collinsia tinctoria Jack and Betty Guggolz 1992-6-13 1311 Sonoma w side Black Mtn (Anderson Trail, e of Geyserville) 609 Comment
  RSA79067  Collomia heterophylla E. K. Balls, Lee W. Lenz 1952-5-8 17114 Sonoma 0.4 mi s. of Franz Valley Road along road from Mark West Springs to Kellogg 107 Comment
  RSA470560  Conium maculatum Christopher Davidson 1977-6-17 5878 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  CAS-BOT-BC288914  Conyza canadensis Peter Rubtzoff 1951-9-2 724 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  SD56667  Corallorhiza maculata Darley F. Howe 1963-7-3 3591 Sonoma 20 miles north of junction with #12 on #1, under redwoods. Comment
  SEINET4676260  Cordylanthus brunneus Lewis S. Rose 1955-7-11 55110 Sonoma 2 miles east of Occidental.; 0 244 Comment
  JEPS57383  Cordylanthus maritimus subsp. palustris L. R. Heckard and T. I. Chuang 1968-6-18 1954 Sonoma in coastal salt marsh along road to Bodega Head Comment
  JEPS83652  Cordylanthus pringlei R. Raiche 1987-6-20 70332 Sonoma N of Cazadero, The Cedars, Red Slide Creek at Rede Slice Falls. 304 Comment
  CDA30951  Cordylanthus tenuis subsp. brunneus D. G. Kelch, Troy McGregor 2010-8-22 10 .353 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  CAS-BOT-BC238235  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1962-8-6 62078 Sonoma 2 mi. ne. of Occidental 182 Comment
  OBI9576  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1962-1 Sonoma Comment
  UCR78363  Cordylanthus tenuis subsp. capillaris T. I. Chuang, F. M. Chuang 1970-8-25 6845 Sonoma 2.7 mi east of Occidental 138 Comment
  SDSU4700  Corethrogyne filaginifolia D. F. Howe 1962-7-29 3365 Sonoma 12 miles north of Jenner at #1. 61 Comment
  SD260941  Cornus Peter Rubtzoff 1973-8-31 7290 Sonoma Upper Green Valley Marsh, slope of Green Valley Road bank bordering the marsh. Comment
  CAS-BOT-BC212288  Cornus glabrata Peter Rubtzoff 1960-5-29 4420 Sonoma Laguna de Santa Rosa near Trenton south of Woolsey Road Comment
  CAS-BOT-BC212292  Cornus glabrata Walter Knight; Irja Knight 1964-8-23 681 Sonoma corner Calistoga and Porter Creek Roads Comment
  RSA223352  Cornus glabrata Peter Rubtzoff 1958-8-9 3861 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  CAS-BOT-BC210472  Cornus sericea subsp. occidentalis Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy. 1 mile north of Freestone Comment
  JEPS58665  Corylus californica W. L. Jepson 1923-7-20 10025 Sonoma Sonoma Canyon Comment
  CAS-BOT-BC180191  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1964-2-16 527 Sonoma Mill Creek Road Comment
  UCD110093  Corylus cornuta subsp. californica J. M. Tucker 1951-6-26 2140 Sonoma Near summit of the range, beside road from Oakville to Glen Ellen. Comment
  CAS-BOT-BC143501  Cotoneaster pannosus Mary P. Wells 1989-2-13 975 Sonoma At curve of Montecito Ave. opposite Manzanita Ave., Rincon Ridge, Santa Rosa Comment
  POM66990  Cotula coronopifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  UC750813  Cotula coronopifolia Charles B. Heiser Jr. 1946-4-13 1724 Sonoma 1 mi e Jenner Comment
  UCD148403  Cotula coronopifolia Peter Rubtzoff 1958-5-17 3660 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occiental Road). Comment
  CDA25350  Cotyledon orbiculata G. D. Bissel 1965-9-22 Sonoma Oscar Miller ranch, west of Petaluma. 0 Comment
  UCD55334  Crassula aquatica Ellen Dean 2006-6-28 3178 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Edges of Pepperwood Reservoir. 150 Comment
  CAS-BOT-BC427650  Crassula aquatica Peter Rubtzoff 1958-4-26 3599 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC427656  Crassula aquatica Peter Rubtzoff 1966-6-5 5755 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  CAS-BOT-BC427689  Crassula connata Greg de Nevers; Frank Almeda 1987-4-11 8148 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC143510  Crataegus gaylussacia Peter Rubtzoff 1958-8-16 3885 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  JEPS107020  Crataegus suksdorfii J. Greenhouse with Gene Cooley, John Game 2004-6-15 5091 Sonoma Cunningham Marsh, ~0.5 mi S of Lone Pine Rd 35 Comment
Read comments Apr 18 2010
  UC963925  Crocanthemum scoparium var. vulgare Milo S. Baker 1947-5-30 11770 Sonoma sw slope Hood Mt. Comment
  CAS-BOT-BC257333  Crocosmia X crocosmiiflora Peter Rubtzoff 1970-10-3 6412 Sonoma Bodega Harbor Marsh. Comment
  UC1561763  Crupina vulgaris Nancy Harrison 1990-5-19 Sonoma Junction of Spring Creek Trail with paved trail across dam; Annadel State Park Comment
  UCR246781  Crupina vulgaris Les Sonder 1990-1-25 s.n. Sonoma Anadell State Park, Santa Rosa 351 Comment
  CAS-BOT-BC190102  Crypsis schoenoides Peter Rubtzoff 1960-9-17 4572 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  CAS-BOT-BC190108  Crypsis schoenoides Peter Rubtzoff 1971-9-30 6707 Sonoma Laguna, Chileno Valley. Comment
  RSA227233  Crypsis schoenoides Peter Rubtzoff 1963-9-21 5269 Sonoma Laguna de Santa Rosa east of Graton. Comment
  UC726040  Cryptantha flaccida A. A. Heller 1940-5-10 15608 Sonoma w of Skaggs Springs; Warm Springs Creek Comment
  UC280368  Cryptantha torreyana Milo S. Baker 1898-4-23 620 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC251228  Cucurbitaceae Peter Rubtzoff 1955-10-12 2169 Sonoma Vacation Beach, near Guerneville. Comment
  CDA12255  Cupressus macnabiana G. F. Hrusa, J. M. Tucker, G. L. Webster 1994-10-29 11921 A Sonoma North Coast Biodiversity Arena; Grove of small trees to 10 meters tall on Cavedale Rd. approx. 2.7 m E of Hwy 12. Rhyolitic ash substratum, assoc. w/ Pinus attenuata, Arctostaphylos stanfordiana, Salvia sonomensis, Solidago spathulata, Xerophyllum tenax. Comment
  CAS-BOT-BC85455  Cupressus sargentii Elizabeth McClintock 1967-9-10 4 Sonoma Ida Clayton Road on west side of Mount St. Helena Comment
  JEPS18144  Cupressus sargentii Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5666 Sonoma vicinity The Cedars (near Layton Chromite mine, headwaters of Big Austin Creek); Big Austin Creek 266 Comment
  UC618967  Cupressus sargentii E. Armstrong 1934-3-26 923 Sonoma 2 mi n Camp Meeker; Sebastopol Quadrangle Comment
  UCR128480  Cupressus sargentii L. S. Rose 1955-7-11 55113 Sonoma 2 miles east of Occidental 244 Comment
  NY16847  Cupressus sargentii C. B. Wolf 1934-10-13 6184 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
  RSA94092  Cuscuta campestris J. T. Howell 1946-8-17 22851 Sonoma The Laguna north of Sebastopol Comment
  SEINET810030  Cuscuta campestris Peter Rubtzoff 1962-1 4977 Sonoma Laguna de Santa Rosa near Trenton, south of Woolsey Road. Comment
  CAS-BOT-BC182774  Cuscuta pentagona Peter Rubtzoff 1975-9-28 8414 Sonoma Russian River bank at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCR248761  Cynodon dactylon Peter Rubtzoff 1971-8-23 6658 Sonoma Meacham Road, 0.35 miles south of Stony Point Road 75 Comment
  SEINET9355702  Cynoglossum grande John Nelson, Wnek, R. 2000-3-7 20935 Sonoma Open ground of steep slope, N edgeo f Hwy 116 just W of Fern Grove cabins on W side of Guerneville With Oxalis oregana, Stachys rigida, Nemophila parviflora, Comment
  CAS-BOT-BC312690  Cynosurus Peter Rubtzoff 1971-6-5 6515 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CDA33571  Cynosurus cristatus Stephanie Larson/Deborah Curle 2010-6-14 PDR# 1465982 Sonoma 0 Comment
  CAS-BOT-BC190433  Cynosurus echinatus G. DeNevers 1981-5-5 957 Sonoma Pepperwood Ranch. On the bench south of the Studio. Comment
  CAS-BOT-BC114713  Cyperus difformis Peter Rubtzoff 1956-9-16 2919 Sonoma Vacation Beach near Guerneville. Open muddy margin of a pool on Russian River bottom. Comment
  CAS-BOT-BC114435  Cyperus erythrorhizos Peter Rubtzoff 1958-9-20 3992 Sonoma Laguna de Santa Rosa NE of Graton. 1.5 mi N of Guerneville Road. Comment
  CAS-BOT-BC114228  Cyperus fuscus Peter Rubtzoff 1987-10-17 9872 Sonoma Russian River ca. 6 mi E of Guerneville. Comment
  UC1100638  Cyperus niger Herbert L. Mason 1946-7-4 12884 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  JEPS128196  Cypripedium californicum Roger Raiche 1982-5-29 20416 A Sonoma The Cedars, Mineral Springs Canyon. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC136480  Cypripedium montanum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC435187  Cypselea humifusa Peter Rubtzoff 1966-6-26 5764 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  UCD57958  Cypselea humifusa Brenda Grewell 2007-5-24 s.n. Sonoma Grown out from soil collected at braided side channel Laguna de Santa Rosa. West side across from confluence with Gravenstein Creek. South of Sebastopol. DFG Laguna Wildlife Area. Near Cooper Road. Comment
  CAS-BOT-BC189804  Dactylis glomerata G. DeNevers 1981-5-23 1252 Sonoma Pepperwood Ranch. Along Franz Valley Road. Comment
  UC1023585  Dactylis glomerata Virginia Bufford 1935-5-24 67 Sonoma Santa Rosa Comment
  CAS-BOT-BC445555  Damasonium californicum Peter Rubtzoff 1961-5-24 4606 Sonoma Upper Stemple Creek Marsh. Comment
  CAS-BOT-BC192282  Danthonia californica H. S. Yates 1937-5-30 6540 Sonoma 1 1/2 miles N. N. E. of Graton Comment
  UCD60469  Danthonia californica R. Tofsrud 1947-6-17 s.n. Sonoma 1.5 mi. S of Jenner Bridge, Hwy. 1. Comment
  UCD145304  Danthonia californica John Thomas Howell 1957-6-13 32622 Sonoma bordering Pitkin Marsh. Comment
  SEINET10827987  Danthonia californica var. americana Thomas J. Howell 1935-5-5 Howell 12611 Sonoma Low hills, 6 miles from Santa Rosa, on road to Sonoma. Comment
  UC1023586  Danthonia californica var. americana Virginia Bufford 1935-5-4 33 Sonoma Country Club Santa Rosa (1st Green) Comment
  POM267996  Danthonia californica var. californica D. D. Keck 1944-7-11 5513 Sonoma 1 mi. S. of bridge across mouth of Russian River, open grassy field 1/2 mi. from ocean 23 Comment
  CDA5765  Datura stramonium T. C. Fuller 1957-12-17 Sonoma 1 mile north of Petaluma. 0 Comment
  UCR255037  Datura wrightii Greg de Nevers 1997-10-17 11107 Sonoma North Coast Range, Santa Rosa, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 400 Comment
  CAS-BOT-BC376298  Daucus carota Greg de Nevers 1992-6-23 10176 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  RSA90505  Delphinium bakeri Milo S. Baker 1946-4-25 11337 Sonoma Coleman Valley; West of Occidental on Hendrin Ranch Comment
  CAS-BOT-BC9025  Delphinium decorum Milo S. Baker 1926-4-14 186 a Sonoma Bodega Bay Comment
  POM150566  Delphinium decorum A. A. Heller, H. E. Brown 1902-4-11 s.n. Sonoma Bodega Bay Comment
  RSA31776  Delphinium decorum A. A. Heller 1938-5-14 15089 Sonoma East of Bodega Bay. Comment
  UC854102  Delphinium decorum Lewis S. Rose 1939-5-14 39123 Sonoma hills 1 mi e Bodega Bay 30 Comment
  RSA59839  Delphinium decorum E. Armstrong 1931-1 1936 Sonoma Ranch near Santa Rosa Comment
  RSA149677  Delphinium hesperium C. Epling 1943-6-17 s.n. Sonoma Bodega Bay, 2 mile sE of bay at rock outcrops. Comment
  UC70363  Delphinium hesperium Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  CAS-BOT-BC10006  Delphinium hesperium A. T. Graff 1925-5-20 S.N. Sonoma Trosphers, Cazadero Comment
  CAS-BOT-BC10348  Delphinium hesperium H. D. Ripley; R. C. Barneby 1945-6-22 6940 Sonoma North of Jenner Comment
  UC912568  Delphinium hesperium subsp. hesperium Herbert L. Mason 1934-4-28 8088 Sonoma Jensen's Ranch Comment
  UC906501  Delphinium luteum Joseph Ewan 1935-5-12 9203 Sonoma grassy slope on Bodega Bay rd 2 mi w Bodega Comment
  SEINET7075473  Delphinium nudicaule A. G. Vestal 1955-5-7 s.n. Sonoma 4 air-miles north of Occidental and just east of the divide above Oregon Canyon. 38? deg. 27' 56" North Latitude, -122? deg. 56' 33" West Longitude. (NAD 27), UTM Zone 10, 505013mE, 4257264mN. [Coordinate Datum: WGS84/NAD83]. Comment
  RSA138296  Delphinium patens Volney Rattan 1903-1 1880 Sonoma Healdsburg Comment
  CAS-BOT-BC121722  Delphinium patens subsp. patens D. E. Breedlove 1980-5-3 44653 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC467783  Delphinium variegatum subsp. variegatum H. P. Chandler 1907-4-20 7518 Sonoma Eldridge Comment
  CAS-BOT-BC83024  Dendromecon rigida Ella Dales Cantelow 1940-4-6 4074 Sonoma Triniti Road west of Boyes Spring. Comment
  SJSU448  Dendromecon rigida H. H. Anderson 1939-5-15 Sonoma Mt St Helena Comment
  CAS-BOT-BC583  Dendromecon rigida subsp. rigida Catherine Best 1981-4-4 s.n. Sonoma Staetz Lane, 3 miles north of Occidental. Comment
  CAS-BOT-BC586  Dendromecon rigida subsp. rigida Roxana Stinchfield Ferris; Laura Lorraine 1961-6-15 13558 Sonoma Green Valley Rd, 0.8 miles east of junction with Harrison Grade Rd. Comment
  CAS-BOT-BC182747  Dentaria californica Peter Rubtzoff 1962-4-18 4797 Sonoma Freestone marsh Comment
  CAS-BOT-BC192617  Deschampsia cespitosa subsp. holciformis Mary P. Wells 1981-8-2 s.n. Sonoma Path to garden from Timber Ridge Road, The Sea Ranch Comment
  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-BC210165  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6075 Sonoma Vernal pool 6.5 mi. northeast of Penngrove on Lichau Road. Comment
  CAS-BOT-BC201965  Deschampsia elongata Peter Rubtzoff 1960-6-7 4457 Sonoma Austin Creek Marsh Comment
  HSC100955  Deschampsia elongata Peter Warner 2011-5-13 194 Sonoma Jenner Headlands , Dairy Field, northern area, S of Johnson Ranch, along cattle trails, ~250 m E of Hwy. 1. 87 Comment
  SEINET7293082 Image available Dichanthelium acuminatum subsp. fasciculatum Peter Kamb, Francia Chisaki 1950-1 1852 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners 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
  POM288511  Dichanthelium acuminatum var. fasciculatum P. B. Kennedy 1915-5-31 s.n. Sonoma Annapolis Region Comment
  RSA670068  Dichanthelium acuminatum var. thermale Beecher Crampton 1964-8-18 7139 e Sonoma N.E. Somona 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.);, just below bubbling hat spring. 494 Comment
  UC353870  Dichelostemma capitatum Milo S. Baker 1927-7-3 2288 a Sonoma near Cobb Mt. top; Cobb Mt. Comment
  CAS-BOT-BC502210  Dichelostemma capitatum Elsa G. Ruckert 1960-4-3 70 Sonoma Triniti Road. 1 mile from Highway 12. 228 Comment
  CAS-BOT-BC502216  Dichelostemma capitatum A. A. Heller; H. E. Brown 1902-3-14 5065 Sonoma near Windsor Comment
  SEINET12051470  Dichelostemma capitatum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -268 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UCD23377  Dichelostemma capitatum Steven E. Smith 1977-4-15 16 Sonoma Perianth deep purple, 3 linear staminodes. 10.4 miles west of intersection with Dutcher Creek Rd. on Skaggs Springs Rd. Comment
  CAS-BOT-BC502562  Dichelostemma congestum G. DeNevers 1981-5-9 1076 Sonoma Pepperwood Ranch; above Redwood Canyon, S of it (BLM) Comment
  CAS-BOT-BC151880  Diplacus congdonii Milo S. Baker 1927-4-12 2073 a Sonoma S.E. slope Hood's Peak 335 Comment
  CAS-BOT-BC151973  Diplacus douglasii Milo S. Baker 1927-4-12 2072 a Sonoma S.E. slope Hood's Peak 396 Comment
  CAS-BOT-BC151376  Diplacus tricolor L. R. Abrams 1918-4-27 6901 Sonoma Santa Rosa Comment
  SEINET12326112  Dipsacus fullonum W. Knight, Knight, I. 1983-1 4710 Sonoma Calistoga Road 3 mi from State Rt 12, 300 yards N of summit 152 Comment
  UCR30861  Dipsacus sativus John C. Roos 1948-8-29 3962 Sonoma North Coast Ranges, Healdsburg Comment
  UC1134581  Disporum hookeri H. S. Yates 1934-4-21 3802 Sonoma near Bodega 91 Comment
  RSA304236  Disporum hookeri var. hookeri James R. Shevock 1971-3-21 815 Sonoma Sugarloaf State Park. 152 Comment
  CAS-BOT-BC196920  Distichlis spicata David L. Morgan 1956-5-8 s.n. Sonoma 3 miles southeast of Petaluma on Lakeville road Comment
  POM78476  Dodecatheon hendersonii subsp. cruciatum A. A. Heller, H. E. Brown 1902-3-10 10801 Sonoma Hills East of Santa Rosa. Comment
  UCD33097  Downingia concolor Beecher Crampton 1966-5-10 7728 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  CAS-BOT-BC154135  Downingia concolor var. concolor Peter Rubtzoff 1969-5-11 6039 Sonoma Laguna de Santa Rosa, northeast of Graton, at the end of Piner Road. Comment
  CAS-BOT-BC154162  Downingia concolor var. concolor Peter Rubtzoff 1966-5-29 5738 Sonoma Laguna de Santa Rosa, N of Sebastopol (near Occidental Road). Comment
  UC416606  Downingia concolor var. concolor Katharine Brandegee Sonoma Santa Rosa Comment
  JEPS103647  Downingia concolor var. concolor Lisa Schultheis 1995-5-15 147 -95 Sonoma N of Sonoma at Rt. 12 entrance to Sonoma Valley Regional Park Comment
  CAS-BOT-BC164682  Downingia pusilla Peter Rubtzoff; H. A. Froebe 1971-5-30 6494 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  UC1019327  Downingia pusilla W. L. Jepson 1921-5-6 9194 Sonoma Sonoma Valley Comment
  CAS-BOT-BC401545  Drosera rotundifolia Peter Rubtzoff 1951-7-8 393 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC71024  Dryopteris arguta G. DeNevers 1981-5-9 1088 Sonoma E arm Creek Comment
  JEPS35199  Dryopteris expansa Fred Hein 1931-11-12 Sonoma near mouth of Gualala River (Mendocino Co. line) Comment
  CAS-BOT-BC411376  Dudleya caespitosa Carl B. Wolf 1927-9-2 1356 Sonoma 8 miles N of Fort Ross Comment
  CAS-BOT-BC428183  Dudleya cymosa subsp. cymosa John Thomas Howell 1932-10-9 10814 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  JEPS49923  Dudleya farinosa W. L. Jepson 1931-7-19 15941 Sonoma n Salmon Creek (cliffs) Comment
  UC1015407  Dudleya farinosa Jack Whitehead 81 Sonoma Bodega Park Comment
  UC499854  Dudleya farinosa Roxana S. Ferris 1932-5-27 8260 Sonoma n end Bodega Bay (bluffs) Comment
  CAS-BOT-BC176367  Echinochloa crus-galli Peter Rubtzoff 1955-8-7 2031 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC176372  Echinochloa crus-galli Peter Rubtzoff 1958-7-20 3794 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC208551  Echinochloa crus-galli G. DeNevers 1981-9-12 1845 Sonoma Mark West Creek, at its confluence with Leslie Creek, Pepperwood Ranch Comment
  RSA118966  Echinochloa crus-galli L. S. Rose 1956-8-20 56148 Sonoma San Antonio Creek, Highway 101 3 Comment
  UC1011034  Echinochloa crus-pavonis Virginia Bufford 1935-10-13 84 Sonoma Bellevue Rd at Redwood Highway Comment
  UCD60945  Echinochloa crus-pavonis Virginia Bufford 1935-9-8 79 Sonoma Pitkins Yard, Vine Hill District. Comment
  CDA1632  Egeria densa K. Meehan 1974-7-23 Sonoma Cattle pond on Agua Caliente Creek, 1/4 mile from the end of Norrbom Road. 0 Comment
  CAS-BOT-BC274413  Eleocharis Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7849 Sonoma Kenwood Marsh. Comment
  RSA800157  Eleocharis Peter Rubtzoff 1972-8-26 6858 Sonoma Laguna, Chileno Valley. Comment
  SEINET11750917  Eleocharis acicularis C. F. Quibell 1976-1 1361 Sonoma N of Railroad Ave, W of US 101, Cristo fence route 30 Comment
  UC1042515  Eleocharis macrostachya Peter Rubtzoff 1951-7-8 387 Sonoma near Forestville (Pitkin Marsh, lower part of the Upper Marsh) Comment
  CAS-BOT-BC113318  Eleocharis montevidensis Helen D. Geis 1902-8-1 s.n. Sonoma Sring. Comment
  CAS-BOT-BC113143  Eleocharis palustris John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC112662  Eleocharis parvula Peter Rubtzoff; Vanette Bunyan 1973-8-25 7257 Sonoma Lower Salmon Creek Marsh. Just east of Hwy 1. Comment
  CAS-BOT-BC112193  Eleocharis radicans Peter Rubtzoff 1951-7-14 418 Sonoma Pitkin Marsh, near Forestville: Northern half of Lower Marsh. Comment
  CAS-BOT-BC112273  Eleocharis rostellata Peter Rubtzoff 1952-5-31 1127 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  UC1026475  Eleocharis rostellata Peter Rubtzoff 1951-7-21 495 Sonoma near Forestville (southern half of Lower Marsh); Pitkin Marsh 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-BC203716  Elymus glaucus subsp. glaucus Greg de Nevers 1990-5-16 9669 A Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. North of the big rocks near the Red Corral 457 Comment
  UC1146609  Elymus glaucus subsp. jepsonii Freed W. Hoffman 1942-6-30 2118 Sonoma Lone Mountain Farm North Coast Ranges (near Guerneville) 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-BC235233  Elymus multisetus Roxana S. Ferris; Laura Lorraine 1961-6-15 13571 Sonoma About 1/8 mile beyond County Dump Comment
  SEINET12773264  Elymus triticoides J. B. Davy 1897-9-18 4037 Sonoma Petaluma. Comment
  CAS-BOT-BC290618  Epilobium Peter Rubtzoff 1986-9-28 9745 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC376253  Epilobium Greg de Nevers 1993-4-11 10365 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. East of middle road through Bald Hills 304 Comment
  SEINET12194346  Epilobium brachycarpum W. Knight, Knight, I. 1984-1 5418 Sonoma Lakeville Hwy, on bank of Petaluma River 3 Comment
  CAS-BOT-BC166619  Epilobium canum subsp. canum John I. Carlson 1917-7-23 s.n. Sonoma Preston Comment
  UCR248960  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-24 1985 Sonoma Forestville Marsh 71 Comment
  RSA800033  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1524 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  RSA800035  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1693 Sonoma Guerneville Marsh. Comment
  RSA800036  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1969-8-26 6150 Sonoma On River Road. 3 miles W of Fulton. Comment
  CAS-BOT-BC262965  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-7-29 1608 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC268074  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1958-8-23 3914 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road. Comment
  CAS-BOT-BC268081  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-6-6 1462 Sonoma Guerneville Marsh. Comment
  SBBG5065  Epilobium ciliatum subsp. watsonii H. and M. Dearing 1939-5-14 3365 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UC582990  Epilobium ciliatum subsp. watsonii P. A. Munz 1936-8-8 14312 Sonoma rocky bank Ft. Ross Comment
  RSA0015637  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1962-8-22 5052 Sonoma Bodega Bay Marsh. Comment
  UC1042502  Epilobium densiflorum Peter Rubtzoff 1951-8-4 576 Sonoma open area between Upper Marsh and Lower Marsh (near Forestville); Pitkin Marsh Comment
  UC76382  Epilobium densiflorum Miss M. Alice King Sonoma near Healdsburg Comment
  UCD160922  Epilobium densiflorum James A. Neilson Jr. 1975-7-8 3413 Sonoma Mayacmas Mountains. Socrates Mine Road, near summit. (Elevation and coordinates estimated by label maker.) 975 Comment
  HSC101098  Epilobium densiflorum Peter Warner 2011-8-10 228 Sonoma Jenner Headlands property, Muniz Ranch Rd., about 0.5mi. N from Hwy. 1 intersection. 56 Comment
  UC1299436  Epilobium foliosum Freed W. Hoffman 1947-4-13 1848 Sonoma near Guerneville; North Coast Ranges, Gilliam Creek Comment
  SEINET12078270  Epipactis gigantea Unknown 1986-1 60215 Sonoma N of Cazadero, The Cedars, headwaters Big Austin Creek, near Laton Mine 244 Comment
  SEINET12077663  Epipactis helleborine H. K. Wagnon 1989-1 1892 Sonoma Jack London State Park Comment
  RSA784481  Equisetum Peter Rubtzoff 1973-8-21 7255 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD165778  Equisetum Peter Rubtzoff 1973-8-31 7291 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC57129  Equisetum X ferrissii Peter Rubtzoff 1951-6-10 191 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC57046  Equisetum arvense Peter Rubtzoff 1962-4-18 4800 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road Comment
  UCD148330  Equisetum hyemale subsp. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC57652  Equisetum telmateia D. M. Porter; S. H. Porter 1967-3-25 1547 Sonoma alongside Highway 1, 2 miles south of Stewarts Point 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-BC176170  Eragrostis cilianensis Peter Rubtzoff 1955-9-10 2137 Sonoma East Guernewood, near Guerneville. Comment
  UCD63379  Eragrostis hypnoides Freed W. Hoffman 1942-9-30 2164 Sonoma Along Russian River. Comment
  CAS-BOT-BC284190  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1970-9-2 6356 Sonoma Russian River at Mirabel Park Comment
  CAS-BOT-BC368007  Ericameria arborescens Greg de Nevers 1989-9-5 9100 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  JEPS19211  Ericameria arborescens Edw. L. Greene 1888-8-31 Sonoma Petrified Forest Comment
  UCD132089  Erigeron Jackie Sinkey; Rene Westbrook 1976-4-14 s.n. Sonoma Bodega Head. Comment
  UCD131901  Erigeron foliosus var. hartwegii Ann F. Johnson 1979-7-2 s.n. Sonoma Bodega Dunes State Park. Comment
  UCD158778  Erigeron inornatus James A. Neilson Jr. 19 Aug1974 2850 Sonoma Mayacmas Mountains, south of Geyser Rock. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  CAS-BOT-BC300248  Erigeron reductus var. angustatus G. DeNevers 1981-6-20 1634 Sonoma Pepperwood Ranch. At the Dentist's Lake Comment
  CAS-BOT-BC300303  Erigeron supplex Mary P. Wells 1985-6-3 516 Sonoma Drive off Wild Fern Close, The Sea Ranch Comment
  CDA11915  Eriodictyon californicum G. F. Hrusa, G. L. Stebbins 1994-4-8 11733 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, Cavedale Rd. approx. 2.7 m E of Hwy 12. Comment
  UCSB5266  Eriodictyon californicum Keator, Glenn 1959-4-2 Sonoma 3.4 miles east of Cavedale road and 4.5 miles from Agua Caliente Comment
  JEPS82525  Eriogonum compositum var. compositum Roger Raiche 1984-4-1 40081 Sonoma sw Cloverdale (e of Lake Sononma (Dry Crk.)); Prichett Peaks, Dry Crk. 518 Comment
  UC77576  Eriogonum latifolium Alice Eastwood 1900-7-4 Sonoma Bodega Point Comment
  CAS-BOT-BC259480  Eriogonum luteolum C. F. Leitholt 1893-6-1 s.n. Sonoma Sonoma Mt. Comment
  CAS-BOT-BC259486  Eriogonum luteolum H. D. Geis 1902-8-1 s.n. Sonoma Unspecified Comment
  UC85726  Eriogonum luteolum var. luteolum Alice Eastwood 1900-9-9 Sonoma Mt. St. Helena Comment
  UC6525  Eriogonum luteolum var. luteolum Alice King Oct. 1896 Sonoma Healdsburg Comment
  CAS-BOT-BC270975  Eriogonum nervulosum Roger Raiche 1984-6-23 43234 Sonoma The Cedars, N. of Cazadero on King Ridge Road, headwaters Big Austin and East Austin Creeks, near Red Slide, E. Augstin Creek 548 Comment
  UCR44934  Eriogonum nervulosum L. F. LaPre 1985-6-7 s.n. Sonoma The Cedars, 6.5 mi NW of Cazadero near Layton, Chromite Mine, upper Austin Creek 413 Comment
  CAS-BOT-BC261683  Eriogonum nudum var. nudum A. A. Heller 1902-7-8 5814 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC261693  Eriogonum nudum var. nudum G. DeNevers 1981-6-27 1713 Sonoma Pepperwood Ranch. Road cut at summit of Franz Valley Road Comment
  UCD100603  Eriogonum nudum var. nudum K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  UCD100605  Eriogonum nudum var. nudum K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  UC635014  Eriogonum nudum var. oblongifolium H. L. Mason 1928-7-10 4885 Sonoma Jenner Comment
  UCD131466  Eriophyllum confertiflorum var. confertiflorum Frederica Bowcutt 1994-6-25 1919 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/4 mi. from Gray Pine Trail. 670 Comment
  HSC5595  Eriophyllum lanatum var. achilleoides R. Spellenberg 1964-6-15 403 Sonoma 5 mi. W of The Geysers on road from Geyserville Comment
  CAS-BOT-BC301154  Eriophyllum lanatum var. achilleoides Greg de Nevers 1981-5-9 1111 Sonoma Pepperwood Ranch Comment
  UCD132207  Eriophyllum lanatum var. achilleoides Gerry North 1993-4 45 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead, less than 0.2 miles east of park entrance gate. 243 Comment
  CAS-BOT-BC301279  Eriophyllum lanatum var. arachnoideum Alice Eastwood 1901-4-1 s.n. Sonoma Bodega Point Comment
  JEPS19377  Eriophyllum lanatum var. arachnoideum G. Thomas Robbins 1937-6-6 235 Sonoma along roadside near Bodega Bay Comment
  POM66821  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan[s] Mills. Comment
Read comments Jun 19 2012
  UCD165124  Erodium Peter Rubtzoff 1974-4-17 7372 Sonoma Upper Green Valley Marsh area. Comment
  SEINET12183675  Erodium brachycarpum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -247 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UCD103118  Erodium brachycarpum Frederica Bowcutt 1996-5-19 2123 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Lower Bald Mountain trail. 426 Comment
  UCD103129  Erodium brachycarpum John Thomas Howell 1957-10-12 33002 Sonoma About 1 mile SW of Sonoma. Comment
  RSA0039520  Eryngium aristulatum G. Fred Hrusa, A. Buckmann 1996-10-5 13582 C Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Road +/- 2 m. SW of Calistoga. 700 Comment
  UCSC000705  Eryngium aristulatum B. Bufford 1937-6-19 s.n. Sonoma near East Windsor East Windsor - Healdsburg 30 Comment
  UC1487265  Eryngium aristulatum var. aristulatum Yusuf Sheikh and Peter Rubtzoff 1971-7-20 501 Sonoma on Bennett Valley Rd. 4.5 mi. w. Glen Ellen Comment
  UC1487266  Eryngium aristulatum var. aristulatum Yusuf Sheikh and Peter Rubtzoff 1971-7-20 502 Sonoma w. Santa Rosa (at junction of State Hwy. 12 & Wright Rd.) Comment
  POM161245  Eryngium armatum Rimo Bacigalupi 1928-6-19 1884 Sonoma Mouth of Salmon Creek, 2 miles north of Bodega Bay Comment
  POM259278  Eryngium armatum J. T. Howell 1938-7-3 13947 Sonoma Stony Point. Comment
  SEINET8255128  Erythranthe microphylla Unknown 1940-5-21 25883 Sonoma Route 28. 183 Comment
  RSA304233  Erythronium californicum James R. Shevock 1972-3-28 1484 Sonoma Highway 128, north of Cloverdale. 244 Comment
  RSA304235  Erythronium helenae James R. Shevock 1972-3-28 1488 Sonoma Road bank Hwy 128, N. of Clonersdale. 91 Comment
Read comments Mar 30 2015
  SEINET12049789  Erythronium helenae F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -199 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 800 Comment
  CAS-BOT-BC402866  Eschscholzia caespitosa Alice Eastwood 1900-4-21 s.n. Sonoma Mt. St. Helena Comment
  RSA146385  Eschscholzia caespitosa subsp. caespitosa W. R. Ernst 1959-5-3 543 Sonoma About 1 mile southeast of Rionido Comment
  CAS-BOT-BC403700  Eschscholzia californica Alice Eastwood 1921-5-8 10468 Sonoma Petaluma Comment
  CAS-BOT-BC403706  Eschscholzia californica A. A. Heller; H. E. Brown 1902-4-15 5301 Sonoma Santa Rosa Creek 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
  UCSB50224  Eschscholzia californica Gray, John 1976-5-1 Sonoma Bluffs on Duncan's Landing peninsula, Sonoma Coast State Beaches, T6N RllW 15 Comment
  JEPS89214  Euonymus occidentalis var. occidentalis Volney Rattan 1877-6-14 Sonoma Guerneville Comment
  CAS-BOT-BC294705  Euphorbia Peter Rubtzoff 1971-7-23 6610 Sonoma Laguna, Chileno Valley. Comment
  RSA0002811  Euphorbia A. A. Heller 1902-7-2 5802 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  UCD77520  Euphorbia nutans Robert E. Preston 1999-11-9 1253 Sonoma Along Petaluma Hill Rd, 0.25 mi S of Yolanda Drive, ca. 1.2 mi S of Sonoma Co. fairgrounds, Santa Rosa. 42 Comment
  CDA19933  Euphorbia oblongata S. Opbroek 2002-6-27 PDR P 092645 Sonoma Northern California; 13799 Occidental Rd, Sebastopol. 0 Comment
  UCD142411  Euphorbia oblongata Thomas C. Fuller 1985-5-31 20430 Sonoma East side of Arnold Drive; Hwy 116; just north of culvert no. 45.19; ca. 7 km. south of El Verano. Comment
  CAS-BOT-BC310743  Euthamia occidentalis Peter Rubtzoff 1951-9-2 700 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC239721  Fabaceae Peter Rubtzoff 1970-8-25 6339 Sonoma Austin Creek beach 0.5 mile north of Cazadero Comment
  CAS-BOT-BC376309  Fallopia convolvulus Greg de Nevers 1992-8-1 10239 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 304 Comment
  CAS-BOT-BC368075  Festuca Greg de Nevers 1998-6-10 11276 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  RSA0021488  Festuca Peter Rubtzoff 1976-6-5 8588 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC283188  Festuca californica subsp. californica G. DeNevers 1981-5-15 1172 Sonoma N arm of Garrison Canyon, Pepperwood Ranch Comment
  CAS-BOT-BC283192  Festuca californica subsp. californica Peter Rubtzoff 1952-6-10 1236 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  JEPS128349  Festuca myuros Roger Raiche 2000-4-8 030 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC354068  Filago Peter Rubtzoff 1958-8-30 3943 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC455955  Fragaria chiloensis Walter Knight; Irja Knight 1964-2-18 567 Sonoma Hiway #1, Rocky Point. Coastal bluff. Comment
  SEINET8722897 Image available Fragaria chiloensis H. S. Reed 1947-1 215 Sonoma Bodega, altitude 50 feet, Sonoma County. 15 Comment
  UCD113202  Fragaria chiloensis R. H. Miller 1949-4-6 25 Sonoma Coast Route 1, approximately 5 miles south of Jenner. Comment
  CAS-BOT-BC53277  Frangula californica subsp. californica Peter Rubtzoff 1951-8-18 616 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  UC34903  Fraxinus latifolia W. A. Setchell 1897-6-16 Sonoma Cazadero Comment
Read comments Dec 31 2015
  UCD116299  Fremontodendron californicum Roger Raiche 1984-5-4 RR 40133 Sonoma North of Guerneville, Morrison Ridge above Gilliam Creek. Austin Creek Recreational Area, headwaters of East Austin Creek Recreational Area. 182 Comment
  CAS-BOT-BC130177  Fritillaria affinis John Thomas Howell 1924-3-22 289 Sonoma Camp Meeker Comment
  SEINET180533  Fritillaria lanceolata Mrs. E. Tucker 1936-4-5 Sonoma Camp Meeker. Comment
  JEPS83496  Fritillaria liliacea Jack and Betty Guggolz 1986-3-16 859 Sonoma California Comment
  CAS-BOT-BC130452  Fritillaria purdyi Milo S. Baker 1926-4-10 163 a-Son.Ser Sonoma The Crater 3 mi. south St. Helena Inn Comment
  JEPS62311  Fritillaria recurva Milo S. Baker 1942-3-27 Sonoma Kenwood Comment
  UC3634  Fritillaria recurva F. T. Bioletti 1892-1 Sonoma Hood's Peak Comment
  CAS-BOT-BC508136  Fritillaria recurva J. P. Moore 1877-3-1 350 Sonoma Skaggs Springs Comment
  RSA264745  Galium aparine Peter Rubtzoff 1964-7-7 5395 Sonoma Duncan Mills Marsh. Comment
  RSA264746  Galium aparine Peter Rubtzoff 1959-5-30 4068 Sonoma Freestone Marsh. Comment
  JEPS52892  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3902 Sonoma 4.8 mi n Cazadero (on King Mt. Rd.) Comment
  POM63227  Galium divaricatum Michener, Bioletti 1892-7-1 s.n. Sonoma Hood's Peak Comment
  UCD121890  Galium porrigens P. G. Connors 1992-5-8 247 Sonoma Near rock outcrop on hillside. Comment
  JEPS52745  Galium porrigens var. porrigens Lauramay T. Dempster and Jean Colton 1963-8-5 3873 Sonoma 2 mi w Cloverdale (on road to Booneville); Alder Glen Springs Comment
  UCD121907  Galium porrigens var. tenue Botany 102 Students 1993-5-8 268 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. In Adobe Canyon N of Sugarloaf Ridge. Bald Mountain Trail about 110 ft. above parking lot. About 1 air mile S of Red Mountain, N of Sonoma Creek. Comment
  UC28229  Galium tricornutum F. T. Bioletti 1890-1 Sonoma Comment
  RSA264739  Galium triflorum Peter Rubtzoff 1954-8-2 1616 Sonoma Duncans Mills Marsh. Comment
  UCD121949  Galium triflorum Roxana S. Ferris; Laura Lorraine 1961-6-14 13532 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway. Comment
  UC424793  Galium triflorum Milo S. Baker 1930-6-6 4157 Sonoma roadbank to West Occidental to Freestone Hiway Comment
  JEPS34031  Gamochaeta ustulata W. L. Jepson 1931-7-19 15943 Sonoma just n Salmon Creek mouth Comment
  CAS-BOT-BC303497  Gamochaeta ustulata G. DeNevers 1981-4-23 784 Sonoma Pippindale farm, Clarence Wright land at Garrison fence, ridgetop, along Hansel's fenceline Comment
  RSA28561  Gamochaeta ustulata Annetta Carter, Ethel Crum 1941-6-22 2148 Sonoma 3.3 miles E of Bay (Bodega Bay). Comment
  RSA790994  Gamochaeta ustulata Peter Rubtzoff 1962-6-19 4923 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC199062  Garrya elliptica Ida K. McClish 1928-10-1 s.n. Sonoma Near Healdsburg. Comment
  CAS-BOT-BC199068  Garrya elliptica Greg de Nevers 1987-7-10 8238 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  SEINET12137589  Garrya fremontii W. Knight, Knight, I.; Edwards, S. 1986-1 5359 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Rd 869 Comment
  CAS-BOT-BC278688  Gastridium phleoides Peter Rubtzoff 1963-6-18 s.n. Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC320464  Gastridium ventricosum Peter Rubtzoff 1974-6-2 7527 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC193259  Genista monspessulana A. A. Heller; H. E. Brown 1902-4-18 s.n. Sonoma Near Windsor Comment
  JEPS61474  Geranium carolinianum Milo S. Baker 1898-5-7 635 Sonoma Glen Ellen Comment
  UC17155  Geranium core-core J. Burtt Davy 1896-3-13 1650 Sonoma Duncan's Mills Comment
  SDSU7342  Geranium core-core D. F. Howe 1963-8-1 3654 Sonoma 2.2 miles north of Jenner on #1. Comment
  UCD103320  Geranium dissectum Frederica Bowcutt 1994-5-21 1825 b 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. Along Meadow trail about 3/4 mile from trailhead. East from trail about 100 yards. 396 Comment
  SEINET12329963  Gilia capitata F. H. Utech 1986-1 86 -105 Sonoma ca 3 mi NE on Cavedale Road 250 Comment
  UC1182817  Gilia capitata subsp. capitata A. R. Kruckeberg 1949-7-22 S- 124 Sonoma Comment
  UC73644  Gilia capitata subsp. capitata Milo S. Baker 1898-6-1 593 Sonoma Santa Rosa Cemetary Comment
  CAS-BOT-BC225285  Gilia capitata subsp. chamissonis Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  UCD117742  Gilia capitata subsp. pacifica Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-21 050 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC225468  Gilia millefoliata Alice Eastwood 1901-7-4 s,.n. Sonoma Bodega Point Comment
  UC133787  Gilia millefoliata Alice Eastwood Sonoma Bodega Point Comment
  UCD117852  Gilia millefoliata P. G. Connors 1992-4-28 243 Sonoma Bodega Marine Laboratory, in Old North Dune. Comment
  UC72068  Gilia tricolor subsp. tricolor Miss M. Alice King May 1897 Sonoma near Healdsburg; near Healdsburg Comment
  UCD166998  Githopsis diffusa subsp. robusta James A. Neilson Jr. 1984-5-30 s.n. Sonoma Mayacamas Mountains, Wildhorse, Caldwell Pines (Exact location unknown, coordinates estimated by label maker. Georeferenced near Wildhorse Cr., Neilson collection from 1975 are from Wildhorse #1 in the Caldwell Pines area.) Comment
  RSA178003  Githopsis specularioides R. F. Thorne 1965-4-19 34292 -a Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UC764573  Githopsis specularioides R. F. Hoover 1939-4-18 4035 Sonoma Occidental Comment
  SEINET10972190  Githopsis specularioides A. Arthur Heller, H. E. Brown 1902-4-16 Heller 5308 Sonoma Fields east of Santa Rosa Comment
  SEINET3146240  Glebionis segetum L. S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  CAS-BOT-BC227651  Glyceria Peter Rubtzoff 1966-5-29 5739 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road crossing). Comment
  UCD66786  Glyceria declinata A. Swanson 1951-9-1 Sonoma Sebastopol. Comment
  CAS-BOT-BC282731  Glyceria elata Peter Rubtzoff 1962-5-25 4842 Sonoma Laguna de Santa Rosa area northeast of Graton east of Laguna Road Comment
  CAS-BOT-BC166684  Gnaphalium Peter Rubtzoff 1962-9-30 5103 Sonoma Vacation Beach, 2 miles below Guerneville. Comment
  CAS-BOT-BC166748  Gnaphalium chilense Peter Rubtzoff 1963-9-28 5281 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  CAS-BOT-BC166794  Gnaphalium palustre Peter Rubtzoff 1958-7-5 3727 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC166786  Gnaphalium palustre Peter Rubtzoff 1962-10-23 5126 Sonoma Atascadero Creek Marsh. Comment
  UCD84290  Gratiola ebracteata Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC305189  Grindelia hirsutula John Thomas Howell 1929-6-9 4304 Sonoma 4 miles from Santa Rosa on road to Sonoma Comment
  CDA2098  Hainardia cylindrica Gordon Leppig 2000-5-6 1345 Sonoma Austin Creek State Recreation Area, Austin Creek Trail Comment
  CAS-BOT-BC302250  Harmonia nutans Greg de Nevers 1990-5-1 9662 A Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC302254  Harmonia nutans J. Clausen 1935-5-23 1073 Sonoma Petrified Forest, near entrance Comment
  CDA34787  Hedera helix Peter Warner 2010-2-28 109 Sonoma Sweetwater Springs Rd., 4.7 mi. W of Westside Rd.; in redwood stand immediately along S road edge. Comment
  CAS-BOT-BC306326  Hedypnois cretica G. DeNevers 1981-4-23 782 Sonoma Pepperwood Ranch. Pippindale farm. Slope above Hansel's Lake Comment
  RSA93426  Helenium bigelovii Milo S. Baker 1939-5-19 9331 Sonoma Perry Marsh near Molino. Comment
  CAS-BOT-BC309581  Helenium puberulum Walter Knight; Irja Knight 1963-8-13 208 Sonoma Willow Creek Rd, seep about 2.5 mi. from Bridgehaven Comment
  RSA800289  Helenium puberulum Peter Rubtzoff 1979-8-6 9303 Sonoma Knights Valley, off south side of Bavarian Lion Company ranch road (between it and a creek) 1.25-1.5 mi west of its junction with Franz Valley Road (0.4 mi south of Hwy 128). Comment
  RSA800290  Helenium puberulum Peter Rubtzoff 1958-7-26 3796 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  RSA800484  Helenium puberulum Peter Rubtzoff 1955-8-13 2043 Sonoma Duncan Mills Marsh. Upper portion of the marsh. Comment
  CAS-BOT-BC314742  Helianthella californica var. californica G. De Nevers 1981-5-31 1426 Sonoma Along road NW of Hansel's Lake, Pepperwood Ranch Comment
  POM187930  Helianthus bolanderi Marcus E. Jones 1931-7-5 29121 Sonoma The Geysers. Comment
  CAS-BOT-BC305966  Helminthotheca echioides Alice Eastwood 1921-7-20 10619 Sonoma On road between Cotati and Santa Rosa Comment
  CAS-BOT-BC305971  Helminthotheca echioides Walter Knight; Irja Knight No date on label 120 Sonoma Blue Bell Lane, Coddingtown Comment
  CAS-BOT-BC182781  Hemizonia Peter Rubtzoff 1969-5-24 6055 Sonoma Vernal pool area, 6.5 miles northeast of Penngrove on Lichau Road. 426 Comment
  CAS-BOT-BC305996  Hemizonia Peter Rubtzoff 1969-8-28 6164 Sonoma Vernal pool area, 6.5 miles northeast of Penngrove on Lichau Road. 426 Comment
  RSA796178  Hemizonia Peter Rubtzoff 1966-8-18 5791 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol Comment
  RSA800150  Hemizonia Peter Rubtzoff 1970-8-5 6302 Sonoma 5 mi north of Sears Point. Comment
  UCD167319  Hemizonia congesta James Neilson 1977-6-7 3911 Sonoma Mayacmas Mountains, Locke Cabin area east of Lunar Point. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC306128  Hemizonia congesta subsp. clevelandii E. R. Johnson 1928-8-22 1111 Sonoma Cloverdale Comment
  CAS-BOT-BC306157  Hemizonia congesta subsp. clevelandii James I. McMurphy 1917-9-15 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC306227  Hemizonia congesta subsp. congesta Walter Knight; Irja Knight 1963-9-1 144 Sonoma Pine Mt. Rd - NE of Cloverdale, Harold Smith Ranch Comment
  UC1042317  Hemizonia congesta subsp. congesta John Thomas Howell 1945-8-14 21408 Sonoma Perry Marsh Comment
  UC134571  Hemizonia congesta subsp. congesta Katharine Brandegee 1905-6-1 Sonoma between Santa Rosa and Sebastopol Comment
Read comments Jun 26 2010
  UC197506  Hemizonia congesta subsp. congesta H. M. Hall 1916-7-23 10240 Sonoma 4 mi nw Petaluma; San Francisco Bay Region Comment
  UC65349  Hemizonia congesta subsp. congesta A. A. Heller 1902-6-4 5637 Sonoma Santa Rosa Comment
  UC990602  Hemizonia congesta subsp. congesta James I. McMurphy 1908-9-1 Sonoma near Fulton; George's Vineyard Comment
  UCD132983  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-4-30 1038 Sonoma north side of intersection of Occidental Road and Facendini Lane. Comment
  UCD132985  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-6-16 1063 Sonoma north side of Occidental Road and Facendini Lane. Comment
  UCD132986  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-7-1 1080 Sonoma Three-tenths of a mile up Grubb Creek from the Bohemian Highway below reservoir and on south side of creek. Comment
  CAS-BOT-BC309668  Hemizonia congesta subsp. lutescens John I. Carlson 1917-7-23 s.n. Sonoma Preston Comment
  CAS-BOT-BC309692  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-8 701 c Sonoma Leddy Station between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC309713  Hemizonia congesta subsp. lutescens David D. Keck 1933-11-6 2652 Sonoma 1/2 mi. S. of Jenner Comment
  JEPS41001  Hemizonia congesta subsp. lutescens Lewis S. Rose 1964-8-26 64067 Sonoma 5 mi ne Penngrove 243 Comment
  JEPS86755  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1990-4-30 1038 Sonoma n side intersection of Occidental Road and Facindini Lane Comment
  JEPS86756  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1990-6-16 1063 Sonoma n side intersection of Occidental Road and Facindini Lane Comment
  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
  UC201240  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-23 Sonoma 8 mi w Petaluma Comment
  CAS-BOT-BC309677  Hemizonia congesta subsp. lutescens James I. McMurphy 1917-9-15 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC309698  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 711 Sonoma Summit between Sonoma and Petaluma Comment
  CAS-BOT-BC309725  Hemizonia congesta subsp. lutescens W. M. Heusi 1930-10-18 108 Sonoma Eight miles east of Petaluma on highway toward Sonoma Comment
  UC990587  Hemizonia congesta subsp. lutescens James I. McMurphy 1910-6-8 Sonoma e; where road enters hills Comment
  OBI16217  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 mi NE of Penngrove 427 Comment
  RSA791599  Hemizonia congesta subsp. luzulifolia A. Howald 2011-8-28 2804 Sonoma North Coast Ranges: west slope of Mayacamas Mountains, Los Alamos Road at Cougar Lane, 2.3 miles east of intersection Hwy 12 329 Comment
  CAS-BOT-BC309944  Hemizonia congesta subsp. luzulifolia H. M. Hall 1924-8-13 12100 Sonoma North of Healdsburg Comment
  CAS-BOT-BC309953  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-8-8 705 Sonoma Kenwood Comment
  CAS-BOT-BC309962  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-8-7 699 Sonoma Callistoga [Calistoga] Road, 7 miles from Santa Rosa Comment
  UCD132141  Hemizonia congesta subsp. luzulifolia Frederica Bowcutt 1994-7-5 1940 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, W of Bear Creek along Goodspeed Trail just as the vegetation shifts from mixed evergreen forest to serpentine chaparral. 536 Comment
  CDA29448  Hemizonia fitchii Unknown 2009-6-25 PDR# 1535007 Sonoma In the vicinity of Santa Rosa. 0 Comment
  RSA81554  Hemizonia lutescens James I. McMurphy 1909-8-10 717 -C Sonoma About a mile W of Santa Rosa on road to Fulton. Comment
  SEINET11842958  Hemizonia lutescens F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -242 Sonoma end of Stoetz Road 200 Comment
  HSC100953  Hesperevax sparsiflora var. brevifolia Peter Warner 2011-5-13 192 Sonoma Jenner Headlands, Dairy Field, northern area, S of Johnson Ranch, ~300 m E of Hwy. 1. 121 Comment
  OBI7229  Hesperocyparis sargentii H. E. McMinn 1936-4-5 4405 Sonoma 2 mi N of Occidental Comment
  JEPS82313  Hesperolinon spergulinum Roger Raiche 1983-7-5 30484 Sonoma Occassional. Northeast of Plantation relatively open slope facing northwest, Tin Barn Road (3.5 mi north from King Ridge Road). Comment
  JEPS82315  Hesperolinon spergulinum Roger Raiche 1983-6-19 30411 Sonoma The Cedars; slopes of Red Slide Creek 243 Comment
  UC762263  Hesperolinon spergulinum Robert F. Hoover 1941-6-7 5317 Sonoma 2 mi se Monte Rio (on road to Camp Meeker) Comment
  UCD110528  Hesperolinon spergulinum Frederica Bowcutt 1994-6-24 1882 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. Lower Bald Mountain Trail. 396 Comment
  SEINET10460647  Heterocodon rariflorum P. Rubtzoff 1963-5-26 Rubtzoff 5133 Sonoma BENNETT MTN LAKE, VERNALLY WET PARTIALLY SHADED GROUND Comment
  CAS-BOT-BC149829  Heteromeles arbutifolia Walter Knight; Irja Knight 1963-9-15 242 Sonoma Los Alamos Rd., Santa Rosa Comment
  SEINET11908933  Heteromeles arbutifolia W. Knight, Knight, I. 1981-1 3965 Sonoma 2.3 mi up Cavedale Rd. from jct of State Rt. #12 Comment
  UCD166419  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC311221  Heterotheca sessiliflora subsp. echioides Peter Rubtzoff 1975-8-16 8329 Sonoma Annadel State Park. Near trail between Bennett Mtn. Lake and Bennett Ridge Road (south of Bennett Mtn. Lake) Comment
  UC858050  Heuchera pilosissima Lewis S. Rose 1939-5-14 39119 Sonoma 2 mi e Bodega Bay 30 Comment
  RSA0063008  Heuchera pilosissima Ella Dales Cantelow 1938-5-7 2402 Sonoma 4.5 miles W of Bodega. Comment
  RSA0063040  Heuchera pilosissima H. C. Cantelow 1941-6-7 s.n. Sonoma Near Bodega Bay. On State Hwy 1. Comment
  CDA5016  Hibiscus trionum E. P. Delfino 1959-11-3 Sonoma 199 West Matheson, Santa Rosa. 0 Comment
  RSA178030  Hierochloe occidentalis R. F. Thorne 1965-4-19 34316 Sonoma 1/2 mile from Green Valley Road 152 Comment
  SEINET10544124 Image available Hoita macrostachya A. Arthur Heller 1902-6-24 Heller 5761 Sonoma Near Burke's Sanitarium. Comment
  UC1084457  Hoita orbicularis G. Thomas Robbins 1937-6-5 219 Sonoma 10 mi w Santa Rosa; Vine Hill region, Pitkin Ranch Comment
  CAS-BOT-BC280786  Holcus lanatus G. DeNevers 1981-5-30 1364 Sonoma Pepperwood Ranch. Shore of Pippindale Pond Comment
  CAS-BOT-BC280794  Holcus lanatus Peter Rubtzoff 1951-8-4 590 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  CAS-BOT-BC280802  Holcus lanatus Peter Rubtzoff 1957-6-28 s.n. Sonoma Duncans Mills Marsh Comment
  UC65194  Holcus lanatus A. A. Heller 1902-6-7 5651 Sonoma Santa Rosa Comment
  UC76910  Holcus lanatus Michener and Bioletti 1892-7-5 Sonoma Skaggs Springs Comment
  UCD84981  Holcus lanatus H. S. Yates 1937-5-30 6538 Sonoma 1.5 miles NNE of Graton. 30 Comment
  CAS-BOT-BC280790  Holcus lanatus A. A. Heller 1902-6-7 5651 Sonoma Near Santa Rosa Comment
  UCR244754  Holocarpha macradenia Peter Rubtzoff 1963-8-24 5245 Sonoma 2.5 miles north of Sebastopol 73 Comment
  JEPS128305  Holodiscus Roger Raiche 2009-8-30 045 .09 Sonoma The Cedars. Bullfrog Pond Area. Lower Russian River, East Austin Creek watershed. Comment
  UCD151133  Holodiscus discolor James A. Neilson Jr. 1973-6-6 3115 Sonoma Mayacmas Mountains. The Geysers. Site III. [Elevation and coordinates estimated by label maker.] 731 Comment
  POM274868  Holodiscus discolor Lyman D. Benson 1928-6-25 351 Sonoma Cloverdale-Hopland, Russian River. 457 Comment
  POM91554  Holodiscus discolor Marcus E. Jones 1882-7-18 3579 Sonoma Duncan's Mills. Comment
  CAS-BOT-BC152390  Holodiscus discolor var. discolor James Jokerst 1985-5-29 2390 Sonoma Near Cobb Mountain, Whispering Pines Quad. 1126 Comment
  UC990581  Holozonia filipes James I. McMurphy 1909-8-18 704 Sonoma Kenwood Comment
  UCR244742  Holozonia filipes Peter Rubtzoff 1955-8-27 2095 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  HSC90904  Holozonia filipes Rimo Bacigalupi, Peter Rubtzoff 1976-8-6 Sonoma Knights Valley; off S side of Bavarian Lion Company ranch road (between it and a creek), 1-1.5 mi. W of its junction with Franz Vally Rd. (0.4 mi. S of Hwy. 128) Comment
  SD133785  Holozonia filipes Rimo Bacigalupi, P. Rubtzoff 1976-8-6 Sonoma Knights Valley, off south side of Bavarian Lion Company ranch road, 1-1.5 miles west of its junction with Franz Valley Road(0.4 mi S of Hwy128 Comment
  SEINET10933146  Hookera terrestris A. Arthur Heller 1940-5-10 Heller 15602 Sonoma Scattered plants on a grassy slope near the Ocean between Fort Rosa and Stewart's Point. Humid Transition Life Zone. Comment
  CAS-BOT-BC289282  Hordeum brachyantherum subsp. brachyantherum David L. Morgan 1956-5-13 s.n. Sonoma On Watmaugh Road, 1/2 mi. W. of junciton of Arnold Drive Comment
  CAS-BOT-BC289288  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1958-8-9 3822 Sonoma Laguna de Santa Rosa north of Sebastapol, near Occidental Road Comment
  SEINET249774 Image available Hordeum californicum Beecher Crampton 1959-6-16 5385 Sonoma 1 mile east of Occidental. Comment
  UCD85813  Hordeum marinum subsp. gussoneanum A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3571 Sonoma 7 miles northwest of Santa Rosa, on road to Calistoga. Comment
Read comments Sep 11 2012
  SEINET11690145  Hordeum marinum subsp. gussoneanum J. T. Howell, Knight, W.; Knight, I. 20 May 198? 6234 Sonoma Todd Road Preserve, corner Todd & Llamo Rds 24 Comment
  RSA123428  Hordeum murinum subsp. glaucum R. W. Lundh 1932-7-19 118 Sonoma 1/2 mile W. Los Alamos School 518 Comment
  SEINET4670524  Hordeum murinum subsp. leporinum R. Halse 1987-2-22 3375 Sonoma Along State HWY 121, 0.4 miles east of its junction with State HWY 116 at Big Bend in the Sonoma Valley. 6 Comment
  UCD86225  Hordeum murinum subsp. leporinum Richard R. Halse 1987-2-22 3375 Sonoma Along State Hwy. 121, .4 miles E of its junction with State Hwy. 116 at Big Bend in the Sonoma Valley. 6 Comment
  CAS-BOT-BC273541  Hordeum vulgare Peter H. Raven 1950-4-6 1556 Sonoma Cotati, Sonoma Co. to Santa Rosa 45 Comment
  POM34931  Horkelia californica Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC536158  Horkelia californica John Thomas Howell 1930-7-27 5389 Sonoma Fort Ross Comment
  SBBG119671  Hosackia gracilis G. F. Pratt, C. Pierce 2003-5-15 Sonoma Salt Point State Park 30 Comment
  UCD106010  Hosackia gracilis Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-24 67 A Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD106023  Hosackia gracilis P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  SEINET957970  Hosackia oblongifolia L. S. Rose 1962-1 62062 Sonoma 1 mi. NW of Freestone. 76 Comment
  JEPS117115  Humulus lupulus Peter Warner 2010-7-29 172 Sonoma State Hwy. 116, at 21.31 mark, ~ 2.53 km, E 143 deg. S of Forestville, in marshy area along W side of highway. Comment
  CAS-BOT-BC290637  Hypericum Peter Rubtzoff 1974-6-9 7583 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC540821  Hypericum Peter Rubtzoff 1971-6-26 6576 Sonoma Pitkin Marsh, near Forestville. Comment
  SEINET7062821  Hypericum anagalloides A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point. UTM Zone 10, 464491mE, 4278527mN. (WGS84/NAD83). 0 Comment
  JEPS78829  Hypericum concinnum Edward Lee 1936-6-7 2195 Sonoma fire trail s. ridge Bohemian Grove Comment
  CAS-BOT-BC410824  Hypericum concinnum Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road near Warm Spring Dam overlook Comment
  UCR253373  Hypericum perforatum Peter Rubtzoff 1971-6-26 6576 Sonoma Pitkin Marsh, near Forestville 38 Comment
  CAS-BOT-BC316682  Hypochaeris glabra John H. Thomas 1976-6-15 18319 Sonoma Southern end of Sea Ranch northeastern part of county about 7 miles south of Gualala 30 Comment
  UC455899  Hypochaeris radicata I. J. Condit 1908-8-13 Sonoma Sebastopol Comment
  UC496385  Hypochaeris radicata Merle Randall 1930-6-9 Sonoma Cazadero Comment
  UCD136313  Hypochaeris radicata M. Rei Scampavia Evangelista 2012-5-19 6 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, travel down Pepperwood Road towards the Visitor Center. Take a left at the sign for the Betchel House. Follow signs on dirt roads that direct towards Three Tree Hill. Park at the top of Three Tree Hill, then take a bearing of 280 degrees for 250 meters. 408 Comment
  UCD133467  Hypochaeris radicata Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-25 173 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  HSC100875  Ilex aquifolium Peter Warner 2011-4-6 185 Sonoma Pitkin Marsh, lower, ~752 m N2 deg. E from junction of Hwy. 116 and Guerneville Rd., S of main stream channel, 30 m N of south boundary fence, along-foot trail. 37 Comment
  POM118406  Iris Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  SEINET12050753  Iris douglasiana F. H. Utech 1988-1 88 -183 Sonoma 0.15 mi SE from East Avenue junction with Bohemian Road on latter 140 Comment
  UCSB11204  Iris douglasiana Breedlove, Dennis 1961-12-31 Sonoma beside State Hwy 1; 3.9 mi N of Russian River Comment
  UCD138724  Iris fernaldii Frederica Bowcutt 1994-5-1 1761 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE Kenwood. Along Sonoma Creek just E of Bear Creek near bridge over Sonoma Creek. On Goodspeed trail about 30 yards from trail head. 198 Comment
  JEPS128343  Iris macrosiphon Roger Raiche 2000-4-7 021 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA178012  Iris macrosiphon Robert F. Thorne 1965-4-19 34291 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UC566066  Iris macrosiphon E. Armstrong 1934-3-26 937 Sonoma 4 mi n Camp Meeker; Sebastopol Quad. 91 Comment
  SEINET3876028  Iris macrosiphon James L. Reveal 1988-6-1 6975 Sonoma Along Geysers Road, 13.2 miles north of California Highway 128 and 14.8 miles east of US highway 101, 0.8 mile South of the turnoff to Geyers Resort, about 16.5 miles east of Cloverdale.; 0 640 Comment
  JEPS128286  Iris purdyi Roger Raiche 2005-4-9 008 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA135849  Iris purdyi E. K. Balls, Lee W. Lenz 1951-5-10 16538 Sonoma 0.7 miles south of Mendocino-Sonoma County line on Highway 28 Comment
  UC725363  Iris purdyi A. A. Heller 1940-5-10 15611 Sonoma w of Skagg's Springs (on the road to Stewart Point) Comment
  CAS-BOT-BC210128  Isoetes Peter Rubtzoff; Nancy Harrison 1974-5-26 7477 Sonoma Vernal pool on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  UC810503  Isoetes howellii John Thomas Howell 1937-6-6 13015 Sonoma Sebastopol Comment
  CAS-BOT-BC368083  Isoetes howellii Greg de Nevers 1998-4-28 11209 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge Comment
  CAS-BOT-BC61917  Isoetes nuttallii John Thomas Howell 1935-5-5 12603 Sonoma near Kenwood Comment
  UC604130  Isoetes nuttallii Leo Koch 1938-4-1 61 Sonoma near Kenwood (small gulch off Adobe Canyon) Comment
  UCD164100  Isoetes nuttallii Peter Rubtzoff; Nancy Harrison 1978-5-20 9182 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC61928  Isoetes nuttallii Peter Rubtzoff 1951-7-14 468 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC112389  Isolepis carinata John Thomas Howell; J. W. Stacey 1937-6-6 13027 Sonoma Pitkin Marsh Comment
  UCR224691  Isolepis carinata Ayzik Solomeshch 2009-5-12 s.n Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  CAS-BOT-BC112574  Isolepis cernua Peter Rubtzoff 1963-6-5 5152 Sonoma Brooks Gulch Marsh. Comment
  CHSC42880  Isolepis cernua Mary M. Hektner 1975-8-14 229 Sonoma Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CHSC91622  Isolepis cernua G. F. Hrusa 2000-11-13 15718 Sonoma Northern California. At base of ocean bluff. Kortum trail head to Goat Rock. Comment
  JEPS25000  Isolepis cernua G. Thomas Robbins 1958-8-11 3925 Sonoma on tidal flat along w shore Bodega Harbor; w shore Bodega Harbor Comment
  UCSB26159  Isolepis cernua Beetle, Alan 1941-7-8 Sonoma Coastal bluffs; 5 miles north of Steward Point Comment
  UCD159439  Jaumea carnosa D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 196 Sonoma Beach (cove) near Bodega Marine Lab. Numerous. Rocky. 2 Comment
  RSA0011155  Juglans Peter Rubtzoff 1970-8-31 6348 Sonoma 5.5 miles east of Guerneville, along Russian River at Forest Hills. Comment
  SBBG61589  Juglans hindsii R. Hartwell 1938-8-2 Sonoma Russian River, Healdsburg Comment
  UCD110264  Juglans hindsii Botany 102 students 1993-4-24 81 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air NW of Napa. S of Sonoma Creek near beginning of Hillside Trail. 381 Comment
  SEINET7067269  Juncus bufonius A. G. Vestal 1947-5-13 s.n. Sonoma About 1.6 miles east of Annaplis on the Annapolis Road. Coordinate datum: NAD27. UTM 10, 425816mE, 4285229mN. Comment
  SEINET10533021  Juncus bufonius Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7082 Sonoma On n-facing grassy clay bank, .6 mile w of sonoma-napa co. Line on hwy. 121. 61 Comment
  UCD141358  Juncus bufonius J. Adams; J. Weick, Bot. 102 1993-5-8 281 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Comment
  CDA9235  Juncus dubius D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  UCR198257  Juncus dubius Dean Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh 38 Comment
  RSA785889  Juncus effusus Peter Rubtzoff 1964-7-29 5454 Sonoma Duncans Mill Marsh. Comment
  RSA785890  Juncus effusus Peter Rubtzoff 1964-7-29 5455 Sonoma Duncans Mill Marsh. Comment
  CAS-BOT-BC227620  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5907 Sonoma Lichan Marsh Comment
  UCD166110  Juncus hemiendytus var. hemiendytus Peter Rubtzoff 1972-4-23 6733 Sonoma Vernal pool, 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC157986  Juncus hesperius Peter Rubtzoff 1954-8-3 1634 Sonoma Lower Salmon Creek Marsh Comment
  UCD167419  Juncus hesperius Peter Rubtzoff 1964-8-3 1634 Sonoma Lower Salmon Creek Marsh. Comment
  UCD148464  Juncus hesperius Peter Rubtzoff 1963-7-27 5213 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC173634  Juncus kelloggii Peter Rubtzoff 1972-4-23 6732 Sonoma Vernal pool, 4.25 mi. W of Glen Ellen on Bennett Valley Road Comment
  JEPS67108  Juncus occidentalis W. L. Jepson 1921-6-2 9299 Sonoma w of Windsor Comment
  RSA368303  Juncus oxymeris Christopher Davidson 1977-6-17 5882 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  SEINET10533400  Juncus oxymeris Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7081 Sonoma On n-facing grassy clay bank, .6 mile w of sonoma-napa county line on hwy. 121. 61 Comment
  UCD35656  Juncus patens Beecher Crampton 1959-6-16 5389 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  UC1042516  Juncus phaeocephalus Peter Rubtzoff 1951-7-21 509 Sonoma near Forestville (between the Upper and Lower marshes); Pitkin Marsh Comment
  CDA37336  Keckiella lemmonii D. G. Kelch, T. McGregor 2010-8-22 10 .344 Sonoma Geyser Peak Rd. 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
  RSA93404  Koeleria macrantha Milo S. Baker 1950-5-20 12223 Sonoma Summit above Coleman Ranch, Hope Valley, near Kenwood Comment
  CAS-BOT-BC273780  Koeleria pyramidata Catherine Best 1981-5-2 s.n. Sonoma Stoetz Lane, north of Occidental Comment
  CAS-BOT-BC273786  Koeleria pyramidata G. DeNevers 1981-6-6 1474 Sonoma Pepperwood Ranch. At top of Telegraph Hill Comment
  CAS-BOT-BC340487  Lactuca saligna Walter Knight; Irja Knight 1963-8-30 184 Sonoma On Kentucky St between Prospect & Oak Sts. - Petaluma Comment
  UC194415  Laennecia coulteri E. L. Greene 1888-9-1 Sonoma Santa Rosa Comment
  CAS-BOT-BC274316  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point Comment
  SEINET190913 Image available Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mi N of Steward Point. Comment
  UC1146594  Lagurus ovatus Freed W. Hoffman 1944-6-8 2028 Sonoma Cruz Ranch, on coast Comment
  CDA2224  Lamarckia aurea Gordon Leppig 1998-5-6 1344 Sonoma Austin Creek State Recreation Area, Austin Creek Trail. Comment
  UCD34820  Lamarckia aurea Beecher Crampton 1963-5-27 6813 Sonoma Sonoma County, border with Mendocino County, ca. 3 - 4 miles north of Cloverdale. Comment
  UCD63277  Lamarckia aurea Beecher Crampton 1954-4-26 1793 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  CAS-BOT-BC164354  Lamiaceae Peter Rubtzoff 1954-8-11 1684 Sonoma Guerneville Marsh. Comment
  JEPS86319  Lasthenia burkei Jack and Betty Guggolz 1988-4-17 916 Sonoma about 400 m n Occidental Road (and 200 m w of Fulton Road) Comment
  JEPS1129021  Lasthenia californica Dean W. Taylor 1994-5-4 14217 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road 249 Comment
  CAS-BOT-BC346333  Lasthenia californica G. DeNevers 1982-4-18 1945 Sonoma Pepperwood Ranch. NW corner of Hansel's Property Comment
  CAS-BOT-BC324410  Lasthenia californica subsp. macrantha J. Clausen 1935-5-24 1092 Sonoma 6.2 miles south of Jenner Comment
  CAS-BOT-BC352754  Lasthenia fremontii John Thomas Howell 1931-4-18 6425 Sonoma 8 miles N of Bay Comment
  JEPS73356  Lasthenia glaberrima Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 752 Sonoma 1 mi w Two Rock junction Comment
  JEPS86328  Lasthenia glaberrima Jack and Betty Guggolz 1988-3-30 907 Sonoma about 200 m w Fulton Road (and 400 m n of Guerneville Road) Comment
  CAS-BOT-BC355527  Lasthenia glaberrima Peter Rubtzoff 1970-5-30 6232 Sonoma Laguna de Santa Rosa, ne of Gradon, at end of Piner Road Comment
  CAS-BOT-BC370852  Lasthenia minor John Thomas Howell 1931-4-18 6420 Sonoma mouth of Salmon Creek, 2 miles n. of Bay Comment
  CAS-BOT-BC370893  Lasthenia minor Alice Eastwood 1901-4-1 s.n. Sonoma Bodega Comment
  JEPS18020  Lasthenia minor George B. Rossbach 1955-3-19 516 Sonoma sw end Bodega Head 30 Comment
  RSA32729  Lasthenia minor A. A. Heller 1938-5-14 15080 Sonoma On the bluff N of the town of Bay, Bodega Bay. Comment
  UC726341  Lasthenia minor A. A. Heller 1938-5-14 15080 Sonoma n of the town of Bay; Bodega Bay Comment
  CAS-BOT-BC164646  Lathyrus Peter Rubtzoff 1971-5-30 6467 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD166069  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
  CAS-BOT-BC474560  Lathyrus hirsutus Ayzik Solomeshch 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, N of city of Rohnert Park, E of Hwy 101 and S of Horn Ave. Vegetation plot sampling from pool #1 30 Comment
  POM161246  Lathyrus littoralis Rimo Bacigalupi 1928-6-18 1897 Sonoma Beach at mouth of Salmon Creek, 2 miles N of Bodega Bay. Comment
  SEINET956151  Lathyrus polyphyllus Carl B. Wolf 1934-1 5799 Sonoma 6/10 mi. Inland from Stwearts Pt. Redwood forest floor, semishade. Comment
  RSA161411  Lathyrus torreyi R. C. Bacigalupi 1926-5-2 1374 Sonoma Cazadero. Comment
  UCD106467  Lathyrus vestitus Frederica Bowcutt 1984-6-23 441 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. West of Highway 1. Along bluff trail north of Gerstle Cove about 1/2 mile. 15 Comment
  UC931193  Lathyrus vestitus var. vestitus C. L. Hitchcock 1950-6-6 19257 Sonoma 2 mi n Fort Ross Comment
  UCD151309  Lathyrus vestitus var. vestitus James A. Neilson Jr. 1974-4-30 2722 Sonoma Mayacmas Mountains. The Geysers. Bruno # 1. (Exact location of Bruno #1 not known by label-maker, but according to Neilson, it is west of Geysers Resort on a north-facing slope near a stream. In the Mayacmas Flora, he indicates it is near 'Old Mercuryville,' which is different than the Mercuryville seen on maps; location and elevation estimated by label-maker) 441 Comment
  UCD166126  Layia Peter Rubtzoff 1969-5-3 6010 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  JEPS24288  Layia chrysanthemoides G. Thomas Robbins with Hsuan Keng and Erika Amstutz 1959-4-3 3973 Sonoma along shallow drainage ditch by State Highway 37 (about .5 mi e of big Bend and .25 mi w of Sonoma Creek crossing); Sonoma Valley 3 Comment
  RSA785922  Layia chrysanthemoides Peter Rubtzoff 1966-5-29 5730 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UC57867  Layia platyglossa A. A. Heller 1903-4-23 6608 Sonoma Fort Ross Comment
  UC353802  Ledum glandulosum Milo S. Baker 1928-4-28 3009 b Sonoma Pitkin Swamp Comment
  CAS-BOT-BC312696  Leersia Peter Rubtzoff 1987-9-27 9851 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  UCD126394  Legenere limosa Peter Rubtzoff 1969-5-24 6051 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road. 426 Comment
  JEPS87236  Lemna minuscula Jack and Betty Guggolz 1992-4-22 1349 Sonoma cattle ranch se of Bloomfield Road 36 Comment
  UC1101272  Lemna minuscula Malcolm A. Nobs, S. Galen Smith 1949-8-1 1105 Sonoma 2 mi e of Stewart's Point (on road to Geyserville) Comment
  CAS-BOT-BC527285  Lemna minuta Peter Rubtzoff 1964-9-3 5492 Sonoma Laguna de Santa Rosa area east of Cunningham near Llano Road Comment
  RSA0025211  Lemna minuta Peter Rubtzoff 1955-7-31 2007 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC534919  Lemna turionifera Peter Rubtzoff 1951-8-19 652 Sonoma Pitkin Marsh, near Forestville Comment
  UCD166177  Lemna valdiviana Peter Rubtzoff 1969-7-5 6105 Sonoma Pond 5.25 mi. NE of Penngrove near Lichau Road. Comment
  CAS-BOT-BC339165  Leontodon saxatilis subsp. saxatilis Peter Rubtzoff 1951-7-8 394 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC173651  Lepidium Peter Rubtzoff 1964-6-24 5377 Sonoma Coleman Marsh, along Salmon Creek Comment
  CAS-BOT-BC173645  Lepidium Peter Rubtzoff 1962-8-3 5032 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC371469  Lepidium appelianum Greg de Nevers 1993-7-29 10478 Sonoma On dike of Petaluma River marsh at Highway 37. Comment
  CAS-BOT-BC89151  Lepidium didymum Katharine Brandegee 1905-6-1 s.n. Sonoma Bodega. Comment
  CAS-BOT-BC12660  Lepidium nitidum A. A. Heller 1902-3-14 5054 Sonoma Santa Rosa. Comment
  RSA66571  Lepidium oxycarpum J. T. Howell 1933-4-1 10924 Sonoma Petaluma Comment
  CAS-BOT-BC273996  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1958-9-27 4006 Sonoma Laguna de Santa Rosa NE of Graton 1/2 mile N of Guerneville Road Comment
  CAS-BOT-BC226544  Leptosiphon acicularis John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54664 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC226546  Leptosiphon acicularis John Thomas Howell 1933-4-2 10932 Sonoma Sonoma Creek Canyon Comment
  SEINET14160629  Leptosiphon androsaceus H. S. Yates 1934-1 3847 Sonoma 2 miles south of Mark West. Comment
  RSA79052  Leptosiphon bicolor E. K. Balls, Lee W. Lenz 1952-5-8 17111 Sonoma 4.4 mi NW from Mark West Springs on road to Kellogg 107 Comment
  CAS-BOT-BC376422  Leptosiphon ciliatus Greg de Nevers 1992-6-24 10177 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By the PG&E tower in the saddle. 400 Comment
  CAS-BOT-BC376428  Leptosiphon jepsonii Greg de Nevers 1995-6-3 10746 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Road to Weimar Flat. 400 Comment
  UC23774  Leptosiphon parviflorus W. H. Brewer 1862-4-17 983 Sonoma Sonoma Comment
  UC1299300  Lessingia hololeuca Freed W. Hoffman 1947-7-30 1414 Sonoma near Guerneville; North Coast Ranges, Great Eastern Quicksilver Mines Comment
  CDA8201  Lessingia ramulosa M. Mason 1976-7-6 Sonoma Airport Road, Sonoma County Airport, northwest of Santa Rosa. 0 Comment
  UCR255875  Leucanthemum vulgare Greg de Nevers 1994-4-1 10517 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC272175  Leymus triticoides Jos. Burtt Davy 1897-9-18 4037 Sonoma Roadside bank near Petaluma Comment
  CAS-BOT-BC371401  Ligusticum apiifolium Greg de Nevers 1998-7-15 11294 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, just upstream of bridge at Mark West Lodge 400 Comment
  RSA0045176  Ligusticum apiifolium Greg de Nevers 1998-5-31 11269 A Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, between Cresta and second bridge below Mark West Lodge. 100 Comment
  CAS-BOT-BC451697  Lilaea scilloides Peter Rubtzoff 1955-4-23 1785 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC451703  Lilaea scilloides Peter H. Raven 1963-4-12 18162 Sonoma Along U. S. 101 just south of Asti. Comment
  CAS-BOT-BC130693  Lilium occidentale Peter Rubtzoff 1951-6-7 133 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC130829  Lilium pardalinum Peter Rubtzoff 1951-7-21 498 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC132998  Lilium rubescens Greg de Nevers 1990-6-11 9672 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road, Weimar Canyon 457 Comment
  RSA178006  Limnanthes douglasii subsp. douglasii Robert F. Thorne 1965-4-19 34260 Sonoma Cotati, Waters Ranch 30 Comment
  RSA52117  Limnanthes douglasii subsp. douglasii A. A. Heller, H. E. Brown 52117 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC123077  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Rd., 1.4 mi from Hwy 116 and 0.6 mi. from Llano Rd. Comment
  CAS-BOT-BC45946  Limnanthes vinculans Peter Rubtzoff 1958-5-11 4825 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC45949  Limnanthes vinculans Peter Rubtzoff 1958-5-3 3607 Sonoma Atascadero Creek Marsh Comment
  JEPS102970  Limnanthes vinculans Ann Howald 1994-4-19 1809 Sonoma Knights Valley, Bavarian Lion Ranch Comment
  NY37426  Limnanthes vinculans P. Rubtzoff 1978-5-20 9179 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
  CAS-BOT-BC258915  Limosella Peter Rubtzoff 1970-8-18 6310 Sonoma 5 miles north of Sears Point. Comment
  RSA800898  Limosella acaulis Peter Rubtzoff 1966-5-7 5721 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  UC30170  Linanthus acicularis W. H. Brewer 1862-4-18 983 Sonoma Sonoma Comment
  UC23374  Linanthus androsaceus Harley P. Chandler 1900-5-25 689 Sonoma Bodega Comment
  SEINET7075496  Linanthus ciliatus A. G. Vestal 1955-5-8 s.n. Sonoma Valley of the Moon south of Kenwood. 38? deg. 23' 26" North Latitude, -122? deg. 31' 35" West Longitude. UTM Zone 10, 541365mE, 4249039mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  JEPS58144  Linanthus parviflorus Joseph Andorfer Ewan 1935-5-13 9258 Sonoma Wright School on Sebastopol road Comment
  JEPS23256  Linaria vulgaris G. Thomas Robbins 1958-8-11 3924 Sonoma w of the town of Bodega (along Estero Lane a dirt road about 2 mi s of State Highway 1); Estero Lane Comment
  CHSC114678  Linum trigynum Peter Warner 2010-5-16 167 Sonoma Jenner Headlands, Knoll Field, 203m, s244 deg. W of residence house, on S-facing slope of knoll in coastal grassland. UTM 10S: 489308E, 4256990N 230 Comment
Read comments May 27 2016
  CAS-BOT-BC36169  Lithocarpus densiflorus var. densiflorus J. W. Congdon 1890-5-16 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC430800  Lithophragma affine Alice Eastwood 1921-4-24 10374 Sonoma Santa Rosa Comment
  CAS-BOT-BC437154  Lithophragma heterophyllum A. A. Heller; H. E. Brown 1902-4-4 5220 Sonoma Hills east of Santa Rosa Comment
  CAS-BOT-BC342133  Logfia filaginoides Greg de Nevers; Frank Almeda 1987-4-11 8140 Sonoma Pepperwood Rach Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  JEPS128242  Logfia filaginoides Roger Raiche 2000-5-4 077 .00 Sonoma The Cedars. Promentory, Cabin Site. Lower Russian River, Big Austin Creek watershed. Comment
  UC1093862  Logfia gallica Herbert L. Mason 1947-5-4 13210 Sonoma near Kenwood; Hood Mountain Comment
  UC581113  Logfia gallica H. L. Mason 1934-4-28 8078 Sonoma head of Dohrman Creek; Josephs Ranch Comment
  CAS-BOT-BC342495  Logfia gallica F. Almeda; G. DeNevers 1981-4-28 4915 Sonoma Pepperwood Ranch. Vicinity of the Bechtel cabin Comment
  UCD167965  Logfia gallica James Neilson 1977-6-12 3920 Sonoma Mayacmas Mountains, McMicking Ranch, well site 2. (McMicking Ranch is also known as Santa Angelina Ranch and is in the vicinity of Knights Valley and Coon Creek.) Comment
  CAS-BOT-BC283287  Lolium multiflorum Peter Rubtzoff 1951-7-7 373 Sonoma Pitkin Marsh, near Forestville. E branch of the Upper Marsh Comment
  UCD66008  Lolium multiflorum Beecher Crampton 1957-7-11 4305 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD66406  Lolium perenne Beecher Crampton 1959-6-16 5372 Sonoma 0.2 miles E of Occidental. Comment
  UCD66467  Lolium perenne Beecher Crampton 1957-7-11 4306 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD66314  Lolium perenne David L. Morgan 1956-4-2 Sonoma 2 mi. W of Petaluma on the 'D' St. extension Rd. Comment
  CAS-BOT-BC269190  Lolium temulentum 1880-7-28 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC376391  Lomatium Greg de Nevers 1993-5-10 10443 Sonoma Harrison Grade. 182 Comment
  RSA452563  Lomatium californicum Christopher Davidson 1977-6-20 6021 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  JEPS15810  Lomatium caruifolium var. caruifolium W. L. Jepson 1921-6-2 9297 Sonoma Windsor 51 Comment
  SEINET13944396 Image available Lomatium dasycarpum A. A. Heller, H. E. Brown 1902-1 5088 a Sonoma Hills 8 mi NE of Santa Rosa Comment
  SD130504  Lomatium macrocarpum F. Almeda, G. DeNevers 1981-4-28 4905 Sonoma Pepperwood Ranch, ca. 1/2 mile from main gate to Pepperwood Ranch Natural Preserve just off Franz Valley Road. Comment
  UC1348909  Lomatium repostum Robert F. Thorne 1965-4-20 34326 Sonoma ca. 2 1/2 mi N of Santa Rosa (1 mi N of Sonoma Co. Hosp., Parker Hill Rd.) 106 Comment
  UCD136302  Lomatium utriculatum M. Rei Scampavia Evangelista 2012-5-4 4 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, travel down Pepperwood Road towards the Visitor Center. Take a left at the sign for the Betchel House. Follow signs on dirt roads that direct towards Three Tree Hill. Park at the top of Three Tree Hill, then take a bearing of 280 degrees for 260 meters. 408 Comment
  CAS-BOT-BC240643  Lonicera hispidula Peter Rubtzoff 1952-6-13 1253 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  UCD160831  Lonicera interrupta James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3365 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC243998  Lonicera involucrata var. ledebourii Marcus E. Jones 1882-7-17 2739 Sonoma Duncan's Mills Comment
  CAS-BOT-BC244007  Lonicera involucrata var. ledebourii Peter Rubtzoff 1951-5-28 83 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC244012  Lonicera involucrata var. ledebourii Peter Rubtzoff 1954-6-6 1472 Sonoma Guerneville Marsh Comment
  OBI39523  Lonicera involucrata var. ledebourii F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-17 84 -148 Sonoma Bridgehaven (village) near jctn of Willow Crk Rd. and Ca hwy 1 along Russian river. 37 Comment
  CAS-BOT-BC293671  Lotus Peter Rubtzoff 1971-6-25 6563 Sonoma Intermittent lake off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UC15740  Lotus aboriginus Michener and Bioletti 1892-7-6 Sonoma Gualala Comment
  UCD106699  Lotus angustissimus Beecher Crampton 1955-6-17 2967 Sonoma State Hwy 1, Fort Ross. Comment
  SD113608  Lotus angustissimus Darley F. Howe 1962-7-2 3573 Sonoma 0.9 mile north of junction with #12 on #1. Comment
  UC1193201  Lotus crassifolius var. crassifolius R. H. Neuns 1950-5-8 109 Sonoma 9 mi w Cloverdale (Quad 60B3) 579 Comment
  UC196927  Lotus formosissimus P. B. Kennedy Jun 1915 Sonoma Del Mar, n Sonoma Co. Del Mar Comment
  RSA177938  Lotus humistratus Robert F. Thorne 1965-4-20 34336 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UC192623  Lotus humistratus Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  UC81130  Lotus humistratus Michener and Bioletti 1892-5-15 64 a Sonoma Hoods Peak Comment
  RSA177971  Lotus micranthus Robert F. Thorne 1965-4-20 34349 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  UC1300860  Lotus micranthus Helen K. Sharsmith 1963-5-25 5475 Sonoma from Freestone to Occidental; San Francisco Bay Region 121 Comment
  UCD66024  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 50 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UCD66031  Ludwigia hexapetala B. J. Grewell 2006-7-21 06- 22 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Gallo's Laguna Ranch, downstream of Guerneville Rd Bridge/gaging stn. East of Hwy 116, Sebastopol across channel from Laguna Wastewater Treatment Delta Pond discharge. 16 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-BC251193  Ludwigia palustris Peter Rubtzoff 1954-6-7 1486 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC376292  Ludwigia palustris Greg de Nevers 1992-6-26 10206 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In oxbow of Franz Creek 91 Comment
  CAS-BOT-BC251285  Ludwigia palustris Peter Rubtzoff 1954-7-17 1551 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC249320  Ludwigia palustris var. pacifica Peter Rubtzoff 1954-7-4 1527 Sonoma Austin Creek Marsh. Comment
  UCD148364  Ludwigia peploides Peter Rubtzoff 1955-8-21 2091 Sonoma Vacation Beach, near Guerneville along Russian River, below the dam. Comment
  RSA791567  Ludwigia peploides Peter Rubtzoff 1958-7-26 3807 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UC423054  Ludwigia peploides subsp. peploides Milo S. Baker 1899-6-29 Sonoma near Forestville Station Comment
  SEINET7067330 Image available Lupinus A. G. Vestal 1947-5-16 s.n. Sonoma About 8.2 miles East of Windsor on Mendocino Avenue [in Santa Rosa]. Coordinate datum: NAD27. UTM Zone 10, 524713mE, 4255867mN. Comment
  CAS-BOT-BC201288  Lupinus Milo S. Baker 1928-6-28 3193 Sonoma Pitkin's Farm upland -Vine HIll Dist. Comment
  RSA66919  Lupinus albifrons var. collinus E. K. Balls 1951-5-3 16404 Sonoma Ca. 1 mi. e. from Petrified forest on rd. to Calistoga. 610 Comment
  UCD151311  Lupinus albifrons var. collinus James A. Neilson Jr. 1974-4-30 2727 Sonoma Mayacmas Mountains. Geyser-Healdsburg Road, 1/2 mile north of Culver Baer Mine. (Elevation estimated by label-maker using topo map.) 853 Comment
  JEPS64942  Lupinus arboreus W. L. Jepson 1931-7-19 15952 Sonoma near Markham; Russian River Comment
  JEPS85896  Lupinus arboreus Jack and Betty Guggolz 1991-6-1 1160 B Sonoma between Hwy 1 and the ocean just s Meyers Grade; between Hwy 1 and the ocean 182 Comment
  UCD150127  Lupinus bicolor Ayzik Solomeshch 2009-5-11 s.n. Sonoma Northwest of the city of Santa Rosa, S of River Rd and W of Fulton Rd. Just N of Wood Rd. Sampling pool #4. 44 Comment
  UCR248750  Lupinus bicolor Peter Rubtzoff 1969-5-11 6045 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  UCR248892  Lupinus bicolor Peter Rubtzoff 1969-5-3 6020 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  HSC14957  Lupinus bicolor S. N. Wiemeyer 1962-4-13 12 Sonoma 2.1 mi. N of Jct. of Calistoga Rd. and Hwy. 12 274 Comment
  CAS-BOT-BC187860  Lupinus chamissonis Alice Eastwood 1915-6-29 4845 Sonoma Bodega Point Comment
  UCD107010  Lupinus chamissonis M. Barbour 1970-11-30 s.n. Sonoma Bodega Head. Comment
  SEINET10838181  Lupinus densiflorus Joseph W. Congdon 1880-5-30 Congdon s.n. Sonoma Petaluma. Comment
  SEINET10450573  Lupinus latifolius Frederick H. Utech, Walter Knight; Irja Knight 1984-4-16 Utech 84 -084 Sonoma Ca 4.0 mi NNW of Sonoma on Cavedale Rd from jct with CA Hwy 12; ca 0.5 mi N on Cavedale Rd from jct. Plants perennial; scattered in dry, open chaparral. 152 Comment
  POM11292  Lupinus latifolius subsp. latifolius Philip A. Munz 1922-6-27 5846 Sonoma Santa Rosa, Santa Rosa Mountains. Comment
  UC865303  Lupinus littoralis W. Bridge Cooke 1942-7-5 16355 Sonoma along State Route 1 near Jenner; near Jenner Comment
  SEINET12165889  Lupinus micranthus F. H. Utech 1988-1 88 -196 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh and adjoining meadows 10 Comment
  SD37910  Lupinus microcarpus var. microcarpus Edith A. Purer 1932-7-24 Sonoma near Bodega Bay, roadside in Santa Rosa Canyon Comment
  JEPS65363  Lupinus nanus W. L. Jepson 1914-4-11 5801 Sonoma Sonoma Valley 35 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
  UCD15528  Lupinus nanus Gregory J. Lowenberg 1988-5-9 20 Sonoma 1/4 mile of entrance to Bodega Marine Laboratory Road. 12 Comment
  CAS-BOT-BC320459  Lupinus nanus subsp. nanus Peter Rubtzoff 1974-5-18 7411 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  POM276264  Lupinus nanus subsp. nanus Lyman D. Benson 1935-3-31 6403 Sonoma U.S. 101, S. of Cloverdale. 244 Comment
  JEPS83488  Lupinus sericatus Jack and Betty Guggolz 1986-4-23 864 Sonoma on a w-facing steep bank on the Kelly Road 0.2 mi w of the junction with Rockpile Road Comment
  SEINET12165194  Lupinus succulentus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -188 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  JEPS85895  Lupinus tidestromii Jack and Betty Guggolz 1991-5-27 1153 Sonoma coastal dunes between the mouth of the Russian River and Goat Rock; btw the mouth of the Russian River and Goat Rock 6 Comment
  RSA0036442  Lupinus variicolor Daisie Huang 2006-5-30 06053015 Sonoma Bodega Marine Laboratory. Coastal bluff near building. (waypt 30D). 2 Comment
  UCD109676  Lupinus variicolor John M. Tucker 1957-4-7 3288 Sonoma Chaney Gulch, beside road to Bodega Bay, ca. 3 miles east of the community of Bodega Bay. Comment
  RSA52692  Luzula comosa I. L. Wiggins 1949-4-30 12063 Sonoma 6.8 miles east of Santa Rosa on road to Calistoga. Comment
  SEINET12194751  Lythrum hyssopifolia W. Knight, Knight, I.; Knight, T. 1985-1 5145 Sonoma in Knight's garden, Petaluma Comment
  CAS-BOT-BC342608  Madia John H. Thomas 1969-9-21 15471 Sonoma Coastal bluffs to the south of the mouth of the Russian River 121 Comment
  CAS-BOT-BC342617  Madia anomala Alice Eastwood; John Thomas Howell 1938-5-15 5509 Sonoma Near Mark West Springs Comment
  UC1069880  Madia anomala H. S. Yates 1934-4-22 3851 Sonoma 2 mi s of Mark West; Calistoga Quadrangle Comment
  CAS-BOT-BC344029  Madia elegans J. Clausen 1935-5-24 1081 Sonoma 2 mi. W. of Monte Rio on the road to Jenner Comment
  CAS-BOT-BC344047  Madia elegans James McMurphy 1908-9-27 s.n. Sonoma 2 mi. S. of Fulton Comment
  CHSC107497  Madia elegans D. G. Kelch; Troy McGregor 2010-8-22 10 .355 Sonoma Nr Peak of Geyser Peak Rd. Comment
  UC523537  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi n of Occidental Comment
  UC990647  Madia elegans James I McMurphy 1908-9-27 Sonoma 2 mi s of Fulton Comment
  UC89416  Madia elegans T. S. Brandegee Sonoma Hook Springs Comment
  CAS-BOT-BC344550  Madia exigua J. C. Roos 1957-7-2 6649 Sonoma Miller Ridge Comment
  CAS-BOT-BC344554  Madia exigua Greg de Nevers 1990-5-1 9661 A Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  POM194541  Madia exigua Y. Mexia 1929-6-2 2391 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC343451  Madia gracilis John Thomas Howell 1937-7-4 13065 Sonoma Near Petrified Forest Comment
  UCD55327  Madia gracilis Ellen Dean 2006-6-28 3171 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  POM41471  Madia madioides Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UCR222554  Madia madioides George K. Helmkamp, E. A. Helmkamp 2010-6-5 16244 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  CAS-BOT-BC345215  Madia sativa John Thomas Howell 1932-9-17 10764 Sonoma Near Kenwood Comment
  CAS-BOT-BC345223  Madia sativa David D. Keck 1933-11-6 2647 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  RSA94304  Madia sativa Peter Rubtzoff 1951-8-4 580 Sonoma Pitkin Marsh, near Forestville: south of the Upper Marsh Comment
  CAS-BOT-BC511491  Maianthemum stellatum Greg de Nevers 1981-4-1 598 Sonoma Riparian community at confluence of mark West Creek and Leslie Creek, Pepperwood Ranch Comment
  JEPS87222  Malacothrix floccifera Jack and Betty Guggolz 1992-5-17 1304 Sonoma e of Geyserville (Anderson Trail on the w side of Black Mountain); Black Mountain 609 Comment
  CAS-BOT-BC540132  Malus domestica Peter Rubtzoff 1951-11-24 850 Sonoma Western branch of the Upper Marsh; Pitkin Marsh, near Forestville Comment
  UCD113227  Malus pumila Peter Rbtzoff 1952-5-31 1102 Sonoma Pitkin Marsh, near Forestville. Comment
  UCD107583  Marah fabacea Frederica Bowcutt 1994-5-1 1775 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. Adobe Canyon, along Goodspeed trail about 1/8 mile from trail head on Adobe Canyon Rd. 198 Comment
  POM59382  Marah fabacea A. A. Heller, H. E. Brown 1902-4-15 5300 Sonoma Santa Rosa Creek Comment
  CAS-BOT-BC348213  Matricaria discoidea Peter H. Raven 1950-4-6 1578 Sonoma Cotati to Santa Rosa 152 Comment
  CAS-BOT-BC269517  Melica californica A. A. Heller 1902-4-4 5315 Sonoma Hills near Santa Rosa Comment
  CAS-BOT-BC281284  Melica geyeri John Thomas Howell; et al. 1981-5-14 53988 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-BC383038  Melica geyeri Greg de Nevers 1989-4-1 9057 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UCD87362  Melica geyeri H. S. Yates 1937-5-30 6545 Sonoma 3 miles NW of Graton. 243 Comment
  UC766884  Melica subulata R. F. Hoover 1941-5-14 5095 Sonoma sw of Occidental (Joy District School) Comment
  UC767146  Melica subulata R. F. Hoover 1941-5-14 5078 Sonoma 3 mi s Monte Rio (on road to Camp Meeker) Comment
  CAS-BOT-BC262550  Melica torreyana John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54695 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC262556  Melica torreyana Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy 3 miles north of Occidental Comment
  RSA129328  Melica torreyana H. S. Yates 1937-5-30 6542 Sonoma 3 miles WNW of Graton. 61 Comment
  UCD89203  Melica torreyana R. Tofsrud 1942-4-1 s.n. Sonoma Road to 'Top O'World. Comment
  UCD81449  Melilotus indicus M. Wiesendanger 1927-5-5 717 Sonoma Sonoma. Comment
  CAS-BOT-BC164425  Mentha Peter Rubtzoff 1960-9-14 4553 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road). Comment
  POM63046  Mentha arvensis var. villosa A. A. Heller 1902-6-27 5787 Sonoma West of Windsor near Russian river. Comment
  UCD148406  Mentha canadensis Peter Rubtzoff 1958-8-16 3882 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC164705  Mentha spicata Peter Rubtzoff 1960-9-14 4557 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road). Open, moist ground. Comment
  UCD148372  Mentha spicata Peter Rubtzoff 1955-10-12 2166 Sonoma Duncans Mills Marsh. Comment
  UCR244650  Mentha suaveolens Peter Rubtzoff 1973-9-9 7316 Sonoma Kenwood Marsh 120 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-BC348632  Micropus californicus var. californicus L. R. Abrams 1918-4-27 6902 Sonoma Independence School near Healdsburg Comment
  UC581122  Micropus californicus var. californicus H. L. Mason 1934-4-28 8090 Sonoma near orchard; Dohrman Creek, Jensen's Ranch Comment
  CAS-BOT-BC322750  Microseris paludosa Lawrence Beane; Lois E. James 1949-5-16 1941 Sonoma About 3 miles south of Healdsburg Comment
  CAS-BOT-BC311863  Mimulus Peter Rubtzoff 1962-6-13 4898 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC311875  Mimulus Peter Rubtzoff 1954-7-29 1606 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC320515  Mimulus Peter Rubtzoff 1962-6-19 4918 Sonoma Occidental Marsh. Comment
  RSA0025384  Mimulus Peter Rubtzoff 1966-5-29 5742 Sonoma Pitkin Marsh. In lower part of the Upper Marsh. Comment
  RSA0025391  Mimulus Peter Rubtzoff 1963-6-18 5173 Sonoma Bennett Mountain Lake. Comment
  UCD122192  Mimulus aurantiacus Jennifer Bury; Peggy Herzog 1993-5-8 281 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 438 Comment
  SEINET12320778  Mimulus aurantiacus W. Knight, Knight, I. 1981-1 3969 Sonoma 2.3 mi up Cavedale Rd from junction of CA 12 Comment
  SEINET12337127  Mimulus aurantiacus C. F. Quibell 1976-1 1377 Sonoma Marshall-Petaluma Rd Comment
  UC26898  Mimulus cardinalis Alice Bolton 1888-8-29 Sonoma below Guerneville; Russian River Comment
  CDA11329  Mimulus congdonii G. F. Hrusa 1995-4-2 12039 Sonoma North Coast Biodiversity Arena; Along Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  JEPS3004  Mimulus congdonii Milo S. Baker 1927-3-11 2015 a Sonoma 4-5 mi e Santa Rosa (above road up canyon); Los Alamos Canyon (Santa Rosa Creek Canyon) Comment
  UC27048  Mimulus congdonii F. T. Bioletti 1894-1 Sonoma near Hood's Peak Comment
  UC905106  Mimulus congdonii Milo S. Baker 1927-3-11 2015 b Sonoma near Santa Rosa (above road up canyon); Los Alamos Canyon Comment
  RSA698954  Mimulus guttatus J. R. Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  SEINET12327815  Mimulus guttatus F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -097 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  SEINET6986285  Mimulus guttatus A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma Serpentine area 1 mile east of Occidental. Comment
  JEPS74597  Mimulus inodorus L. R. Heckard 1974-8-21 3825 A Sonoma near end Templeton road (s-central part of marsh); Pitkin Marsh Comment
  RSA80677  Mimulus kelloggii E. K. Balls, Lee W. Lenz 1952-5-8 17112 Sonoma 0.4 mi. s. of Franz Valley Road along road from Mark West Springs to Kellogg. 107 Comment
  UC27014  Mimulus microphyllus W. H. Brewer 1862-4-18 974 Sonoma near Sonoma Comment
  UC103685  Mimulus nasutus unknown May 1891 Sonoma Cloverdale Comment
  UCR44927  Mimulus nudatus L. F. LaPre 1986-6-3 s.n. Sonoma Dorr Place, 4 mi up a private road from Mannings Flats in Austin Creek State Recreation Area, 6 mi north of Cazadero on upper Austin Creek 207 Comment
  UC26912  Mimulus pilosus J. Burtt Davy 1896-7-22 4144 Sonoma Russian River Comment
  UCD39138  Mimulus pilosus Beecher Crampton 1964-8-18 7145 Sonoma N.E. Sonoma County: 'The Geysers', Big Sulphur Creek. Comment
  UC445171  Mimulus tricolor Milo S. Baker 1899-5-6 Sonoma sw Santa Rosa Comment
  UC852247  Minuartia californica Keith Wagnon 1940-3-31 238 Sonoma 5 mi w Sebastopol; Gold Ridge Subdivision Comment
  UC8120  Minuartia douglasii Alice King May, 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC388899  Minuartia douglasii Peter Rubtzoff 1957-5-26 3353 Sonoma Hillslope near Occidental-Graton road, 2.7 mi. east of Occidental Comment
  UCD98266  Minuartia douglasii Frederica Bowcutt; Jeff Kennedy 1994-5-21 1811 Sonoma Sugarloaf Ridge State Park; about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles NW of Napa, 1.5 air miles NE of Kenwood. Along the Meadow Trail, approx. 3/4 mile from trail head. 1500 Comment
  UC1980567  Monardella James L. Reveal 1987-6-7 6414 Sonoma Along Cavedale Road, about 2.4 mile south of Trinity Road and about 5 miles northeast of California Highway 12, about 13 airline miles south east of Santa Rosa Comment
  UC763168  Monardella purpurea R. F. Hoover 1938-6-14 3609 Sonoma 3 mi west Graton on road to Occidental Comment
  UCD125249  Monardella villosa Frederica Bowcutt 1984-6-23 420 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. West of Hwy 1. Immediately north of Gerstle Cove near large parking lot. 15 Comment
  CAS-BOT-BC314156  Monardella villosa subsp. subserrata Peter Rubtzoff 1952-6-3 1138 Sonoma Fitch Mtn Grove, near Healdsburg. Comment
  CAS-BOT-BC314211  Monardella villosa subsp. villosa H. L. Mason 1928-7-10 4883 Sonoma Near ocean, Jenner. Comment
  JEPS87249  Monardella villosa subsp. villosa Jack and Betty Guggolz 1991-6-10 1181 Sonoma On south side of Buzzard peak. 323 Comment
  CAS-BOT-BC314204  Monardella villosa subsp. villosa H. D. Ripley; R. C. Barneby 1945-6-22 6939 Sonoma N. of Jenner 30 Comment
  CHSC68015  Monardella viridis Jack Guggolz; Betty Guggolz 1992-7-25 1332 Sonoma Ca. 0.6 mi SSW of Bradford Mountain, 4.5 mi S of Geyserville. 292 Comment
  UCD86410  Muhlenbergia andina Freed W. Hoffman 1947-8-30 575 Sonoma Layton Mine, Austin Creek. Comment
  RSA123590  Muilla maritima Leo Koch 1938-3-23 63 Sonoma Roadside near Shiloh cemetery, near Windsor. Comment
  UCR255876  Myosotis discolor Greg de Nevers 1993-5-17 10454 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 220 Comment
  SEINET12332729  Myosotis discolor W. Knight, Knight, I. 1985-1 6327 Sonoma Cooper's Grove, Sonoma Mt. Rd near Matanzas Creek Comment
  CAS-BOT-BC257704  Myosurus Peter Rubtzoff 1966-4-17 5672 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
  CAS-BOT-BC101798  Myrica californica John H. Thomas 1976-6-16 18299 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UC1042426  Myrica californica Peter Rubtzoff 1952-5-31 1113 Sonoma near Forestville (Pitkin Marsh, s. of Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC251163  Myriophyllum aquaticum Peter Rubtzoff 1970-8-18 6318 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC376244  Myriophyllum sibiricum Greg de Nevers 1992-7-3 10212 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Yellow Jacket Ranch Lake 304 Comment
  UCD36695  Nassella lepida Beecher Crampton 1955-6-17 2966 Sonoma Sonoma County, 1.5 miles east of Fort Ross. Comment
  UCD87801  Nassella lepida A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3559 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  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-BC260283  Nassella pulchra G. DeNevers 1981-5-5 952 Sonoma Pepperwood Ranch. Along the road by Pippindale Garden Comment
  RSA115461  Nassella pulchra Beecher Crampton 1957-5-16 4041 Sonoma US Highway 101, 3 miles south of Healdsburg. Comment
  UC1153820  Nassella pulchra Beecher Crampton 1957-5-16 4041 Sonoma US Hwy 101 3 mi s Healdsburg (banks of railway cut) 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
  UCD33091  Nassella pulchra Beecher Crampton 1966-5-10 7721 Sonoma Sonoma County, 3 miles south of Healdsburg next to railroad. Comment
  CDA32559  Nassella pulchra T. C. Fuller 1960-6-14 4486 Sonoma James Black property, ca. 6 miles east of Cloverdale. 0 Comment
  RSA94328  Nasturtium officinale Peter Rubtzoff 1951-6-9 158 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CDA390  Navarretia heterodoxa D. G. Kelch 2003-7-14 3 .38 Sonoma Cavedale Road. Comment
  OBI36026  Navarretia heterodoxa John C. Roos 1950-7-22 4877 Sonoma 2 miles east of Duncan Mills 61 Comment
  UC52427  Navarretia leucocephala subsp. bakeri Milo S. Baker 1899-5-6 Sonoma railroad track between Sebastopol Santa Rosa Comment
  SEINET191588  Navarretia pubescens Lewis S. Rose 1940-5-22 40371 Sonoma Sonoma 30 Comment
  CAS-BOT-BC232685  Navarretia pubescens Milo S. Baker 1927-5-17 2157 a Sonoma Bennett Valley Road, 0.5 mile W of Sonoma Creek Bridge Comment
  UC1299600  Navarretia squarrosa Freed W. Hoffman 1946-8-20 866 Sonoma western slope of Napa Range, Trinity Road, at quarry North Coast Ranges, Napa Range Comment
  UCD48683  Navarretia squarrosa Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 48 Sonoma On bluff edge by lodge, possibly planted from wildflower mix; Unit 2 Owner's Map, Sea Ranch, near State Hwy. 1. Comment
  JEPS30771  Navarretia viscidula G. Thomas Robbins 1938-6-23 270 Sonoma ca 10 mi w Santa Rosa (just e of marsh on Pitkin ranch); Vine Hill Region Comment
  UC1094035  Navarretia viscidula Lewis S. Rose 1955-6-27 55109 Sonoma 10 mi w Santa Rosa (junction of Vine Hill and School Roads) 45 Comment
  POM118672  Nemophila heterophylla Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UC24177  Nemophila heterophylla H. N. Bolander April 1864 3811 Sonoma Santa Rosa Creek Comment
  POM125417  Nemophila heterophylla Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena. Comment
  POM180750  Nemophila heterophylla J. T. Howell 1929-6-30 4315 Sonoma 6 miles from Petrified Forest on road to Knights Valley. Comment
  POM65258  Nemophila heterophylla A. A. Heller, H. E. Brown 1902-3-16 s.n. Sonoma Russian River, Near Trenton. Comment
  JEPS1887  Nemophila menziesii var. atomaria L. Constance 1938-4-24 2158 Sonoma mouth of small canyon 0.5 mi s Fort Ross; s of Fort Ross 91 Comment
  UC67151  Nemophila menziesii var. atomaria Milo S. Baker 1899-3 Sonoma near Kenwood (Dr. Turk Canyon); Dr Turk Canyon, near Kenwood Comment
  CAS-BOT-BC231192  Nemophila parviflora Peter Rubtzoff 1953-5-17 1392 Sonoma S of Guerneville (Neeley Hill area) Comment
  UC496397  Nemophila parviflora Merle Randall 1930-6-8 Sonoma Cazadero Comment
  CAS-BOT-BC166971  Nicotiana Peter Rubtzoff 1961-8-22 4695 Sonoma Fife Creek Marsh Comment
  SDSU655  Nuphar lutea subsp. polysepala D. F. Howe 1972-6-27 4840 Sonoma Duncan Mills Pond Comment
  RSA227200  Oenanthe sarmentosa Peter Rubtzoff 1955-9-24 2154 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC502770  Orobanche bulbosa Alice Eastwood 1915-6-6 4704 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC499696  Orobanche californica subsp. californica Steve Edwards 1984-7-22 s.n. Sonoma N end of prairie, N of Duvoul Cr., N of Camp Meeker, E of Highway Comment
  JEPS66549  Orobanche californica subsp. grayana Peter Rubtzoff 1971-7-23 6615 Sonoma Laguna, Cheleno Valley. Comment
Read comments Apr 3 2019
  CAS-BOT-BC368012  Orobanche californica subsp. jepsonii Greg de Nevers 1989-12-16 9123 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Top of High Hill. 400 Comment
  CAS-BOT-BC500333  Orobanche uniflora subsp. occidentalis Elmer I. Applegate 1934-3-25 8849 Sonoma Sansal Creek, Pine Flat region, west slope Mayacmas Mountains Comment
  POM15641  Orthocarpus densiflorus A. A. Heller, H. E. Brown 1902-4-9 5236 Sonoma Three Miles South of Healdsburg. Comment
  RSA523834B  Orthocarpus faucibarbatus Gordon H. True Jr. 1936-4-7 406 Sonoma Near Sonoma. 91 Comment
  SEINET12270158  Orthocarpus faucibarbatus Unknown 1936-1 13418 Sonoma near Healdsburg Comment
  UCD127445  Osmorhiza berteroi Botany 102 students 1993-4-24 83 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air NW of Napa. Along Hillside Trail. 426 Comment
  UCD127789  Osmorhiza berteroi M. Wiesendanger 1927-5-7 731 Sonoma Kenwood Springs. Comment
  UCD35324  Osmorhiza berteroi Beecher Crampton 1955-6-8 2828 Sonoma 7 miles northwest of Calistoga. Comment
  SEINET10545679  Osmorhiza chilensis David B. Dunn, Melvin L. Conrad; Katherine L. Morris 1973-6-9 Dunn 20704 Sonoma 2 mi NW of Forestville on Hwy 116. Comment
  UCD110761  Oxalis corniculata Lloyd M. Harwood 1964-4-20 s.n. Sonoma Santa Rosa. Comment
  SEINET10494956  Oxalis oregana R. D. Sage 1992-1-10 Sage 13412 -2 Sonoma Collected along joy rd between bodega hwy and bittner rd, ca 2-6 km sw occidental. Comment
  UC963919  Packera Milo S. Baker 1934-4-28 7605 Sonoma w Dry Creek Valley (ne corner of ranch); Jensen Ranch Comment
  CAS-BOT-BC227645  Panicum Peter Rubtzoff 1978-9-10 9263 Sonoma Russian River at Del Rio Beach, ca. 2.5 mi. east of Healdsburg on S. Fitch Mountain Road. Comment
  CAS-BOT-BC254467  Panicum Peter Rubtzoff 1983-8-28 9670 Sonoma Austin Creek ca. 0.5 mile N of Highway 116 on Cazadero Road Comment
  CAS-BOT-BC376262  Panicum Greg de Nevers 1996-9-23 10882 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek x Piney Canyon 487 Comment
  SEINET10849964  Panicum P. Rubtzoff 1968-9-21 Rubtzoff 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD32824  Panicum acuminatum var. 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
  UCD89127  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 e Sonoma North East part of county. The Geysers, Comment
  UCD89134  Panicum acuminatum var. thermale A. R. Kruckeberg 1949-6-4 S 21 Sonoma Sulphur Creek.Big Geysers. Comment
  UC1146647  Panicum miliaceum subsp. miliaceum Freed W. Hoffman 1942-8-26 2272 Sonoma near Guerneville (Herr Ranch); North Coast Ranges, Herr Ranch Comment
  CAS-BOT-BC249263  Parentucellia Peter Rubtzoff 1971-6-10 6538 Sonoma Pitkin Marsh, near Forestville, along western border of the upper part of marsh. Comment
  CAS-BOT-BC175545  Parnassia palustris Roger Raiche 1885-8-10 50721 Sonoma The Cedars, N of Cazadero, headwaters of Big Austin Creek 243 Comment
  CAS-BOT-BC259694  Paspalum dilatatum G. DeNevers 1981-6-6 1448 Sonoma Pepperwood Ranch. At the first Pepperwood entrance; Along Franz Valley Road, also at the green house Comment
  CAS-BOT-BC265693  Paspalum distichum Peter Rubtzoff 1958-7-26 3809 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  RSA118963  Paspalum distichum L. S. Rose 1956-8-20 56147 Sonoma San Antonio Creek, Highway 101 3 Comment
  CAS-BOT-BC202870  Paxistima myrsinites W. Knight; I. Knight; Dr. Steve Edwards 1986-6-8 5452 Sonoma Cherry Creek Road, W of Cloverdale Comment
  CAS-BOT-BC371443  Pectocarya pusilla Greg de Nevers 1998-4-26 11195 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Silva's property, Devils Kitchen, in Section 6 400 Comment
  JEPS25514  Pedicularis densiflora Paul C. Hutchison 1961-2-5 882 Sonoma 2 mi e of Stewarts Point (along the South Fork of the Gualala River, on road from Stewarts Point to Healdsburg); Indian Rancheria, Gualala River 182 Comment
  UC1239018  Pedicularis densiflora Freed W. Hoffman 1947-2-28 603 Sonoma headwaters of Palmer Creek (a branch of Mill Creek); North Coast Ranges, Wild Hog Ridge Comment
  RSA800161  Pelargonium capitatum Peter Rubtzoff 1970-10-29 6424 Sonoma Bodega Harbor Marsh. Comment
  CDA17202  Pellaea andromedifolia G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16201 Sonoma North Coast Biodiversity Arena; Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  JEPS78831  Penstemon heterophyllus var. heterophyllus Edward Lee 1936-6-7 2199 Sonoma on the fire trail near Highpoint (Bohemian Grove); , near Highpoint Comment
  NY601725  Penstemon heterophyllus var. heterophyllus C. E. O. Kuntze 07 1904 28112 Sonoma Santa Rosa Comment
  CAS-BOT-BC71729  Pentagramma triangularis subsp. triangularis D. E. Breedlove 1980-6-27 44765 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC1329521  Perideridia kelloggii Peter Rubtzoff 1967-9-16 5884 Sonoma Upper Marsh Pitkin Marsh (southern part, near Forestville) Comment
  OBI8817  Perideridia kelloggii Robert F. Hoover 1966-8-23 9917 Sonoma Mark West Creek, on Santa Rosa-Calistoga Rd near junction of St. Helena Rd. Comment
  CAS-BOT-BC413643  Persicaria amphibia Peter Rubtzoff 1954-9-4 1732 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC413654  Persicaria amphibia Peter Rubtzoff 1966-8-26 5812 Sonoma Atascadero Creek Marsh Comment
  UCD99060  Persicaria hydropiper Frederica Bowcutt 1997-7-18 2174 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-BC413743  Persicaria hydropiper Peter Rubtzoff 1968-8-31 5951 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC419280  Persicaria maculosa M. S. Jussel 1931-5-3 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC419286  Persicaria orientalis Peter Rubtzoff 1958-7-20 3786 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road) Comment
  CAS-BOT-BC419424  Persicaria punctata Peter Rubtzoff 1954-6-7 1487 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC419430  Persicaria punctata John Thomas Howell 1932-9-18 10770 Sonoma Bed of slough draining Kenwood Marsh Comment
  CAS-BOT-BC330276  Petasites frigidus var. palmatus Alice D. Sargent 1922-4-18 s.n. Sonoma Near Montesano on Russian River Comment
  SBBG16283  Phacelia bolanderi H. and M. Dearing 1939-5-15 3391 Sonoma Gualala River near Stewarts Pt Comment
  SD64435  Phacelia californica Darley F. Howe 1966-6-2 Sonoma 5.0 miles south of Bodega Bay. Comment
  CDA40384  Phacelia distans T. C. Fuller 1958-5-24 4020 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  SD72106  Phacelia distans H. S. Yates 1934-4-21 Sonoma Near Bodega Comment
  UC1348887  Phacelia distans Robert F. Thorne 1965-4-20 34358 Sonoma s-facing bank on Cavedale Rd 1/2 mi up State Hwy 12 (ca 4 mi n of Sonoma) 243 Comment
Read comments Jun 29 2008
  UCR168244  Phacelia distans Alice Eastwood 1933-5-7 18841 Sonoma Sonoma 198 Comment
  SBBG32318  Phacelia distans L. S. Rose 1964-4-4 65021 Sonoma 1 mi N of Sonoma 60 Comment
  UC923112  Phacelia distans Freed W. Hoffman June, 1950 3316 Sonoma about halfway to summit of Mount Ross (road from Kidd Creek to Pole Mountain); North Coast Ranges Comment
  UC901846  Phacelia imbricata L. Constance, L. R. Heckard, and A. R. Kruckeberg 1950-5-12 3328 Sonoma Alexander Valley-Pine Flat rd 3 mi w Contact Mine Comment
  SD72089  Phacelia imbricata John Thomas Howell 1929-6-9 4302 Sonoma 2.0 miles north of Sonoma. Comment
  POM127624  Phacelia imbricata subsp. imbricata Milo S. Baker 1898-8-23 s.n. Sonoma Santa Rosa Canon [Canyon] Comment
  SEINET10824378  Phacelia suaveolens Peter H. Raven 1965-5-16 Raven 20219 Sonoma Burned flats near Frantz District School. Comment
  RSA0023069  Phalaris Peter Rubtzoff 1968-6-25 5913 Sonoma Lichan Marsh. Comment
  CAS-BOT-BC156325  Phalaris angusta Peter Rubtzoff 1972-6-23 6785 Sonoma Atascadero Creek Marsh. Comment
  UC1132415  Phalaris angusta H. S. Yates 1936-5-16 5617 Sonoma near Green Valley School; Sebastopol Quad. Comment
  UCD105400  Phalaris aquatica Frederica Bowcutt 1994-6-25 1927 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. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. 609 Comment
  RSA227235  Phalaris arundinacea Peter Rubtzoff 1958-5-17 3659 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Rd.) Comment
  UCD88508  Phalaris arundinacea Freed W. Hoffman 1944-6-1 2027 Sonoma North Coast Ranges. Near Guerneville. Comment
  UCD88547  Phalaris californica William Anderson 1965-7-30 s.n. Sonoma Stewart's Point. Comment
  UCD88995  Phalaris lemmonii John Thomas Howell 1947-6-5 23243 Sonoma 4 miles W of Santa Rosa. Near Wright School. Comment
  UCD89379  Phalaris paradoxa Beecher Crampton 1959-6-16 5369 Sonoma 0.2 miles E of Occidental. Comment
  CAS-BOT-BC253562  Phleum alpinum Alice Eastwood 1915-6-29 4874 Sonoma Bodega Point Comment
  UC23592  Phlox gracilis Alice King Apr 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC135036  Phoradendron bolleanum John Thomas Howell 1933-4-2 10961 Sonoma 2 miles E of Occidental Comment
  SBBG39485  Phoradendron bolleanum L. S. Rose 1970-2-27 Sonoma 2 mi E of Occidental 213 Comment
  SEINET4132205 Image available Phoradendron bolleanum subsp. densum R. S. Peterson 1964-5-6 64 -28 Sonoma Northeast of Occidental 213 Comment
  RSA572342  Phoradendron densum Vanessa Ashworth, Nigel Boyle 1994-8-20 54 Sonoma Ca 2.5 miles N of Camp Meeker on Bohemia Hwy from Occidental to Monte Rio. Comment
  HSC100873  Photinia fraseri Peter Warner 2011-4-6 187 Sonoma Santa Rosa, Howarth Park, along foot-trails S of Lake Ralphine, N of Medica Ct. and Slate Dr. 112 Comment
  CAS-BOT-BC251152  Phyla Peter Rubtzoff 1973-9-8 7305 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC327  Phyllospadix scouleri Milo S. Baker 1899-6-28 Sonoma near mouth of Russian River Comment
  CAS-BOT-BC140629  Physocarpus capitatus D. E. Breedlove 1980-6-27 44773 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD158852  Pickeringia montana James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2923 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  NY49679  Pinus contorta var. contorta S. Flowers 1988-2-5 s.n. Sonoma Sonoma Road marker, Highway 1, 52.32 mile at Pebble Beach Access trail, across Sea Ranch. Tree located 20 ft. west of Highway 1 and 12 ft. north off parking entrance Comment
  UC1505975  Pinus muricata Daniel I. Axelrod 1983-7-7 E 3 Sonoma Vicinity of Salt Point; along State Hwy 1 76 Comment
  UCD134776  Pinus muricata Cathy Hendel 1974-7-25 s.n. Sonoma Sea Ranch, Unit 35-A owner's map, near State Highway 1. Comment
  SEINET3874482 Image available Pinus radiata Ralph R. Wilson 1939-7-24 437 Sonoma Near Valley Ford.; 0 Comment
  HSC12258  Pinus sabiniana Wendell Wood 1970-9-21 285 Sonoma Preston, Hwy. 101 bridge at Russian River, Bulk Collection # 8 457 Comment
  CAS-BOT-BC137281  Piperia elegans Peter Rubtzoff 1952-6-10 1240 Sonoma Field redacted by CAS, contact the data manager for more information Comment
  UCSC008263  Piperia elegans Randall Morgan 1989-1-1 1322 -P Sonoma Malm Flat Trail, Sugarloaf Ridge State Park Comment
  UCSC008352  Piperia elegans subsp. elegans Randall Morgan 1989-1-1 1319 -P, 1320-P Sonoma Malm Flat Trail, Sugarloaf Ridge State Park Comment
  JEPS45844  Piperia transversa Eleanor Armstrong Jun 1932 507 Sonoma near Camp Meek 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-BC166764  Plagiobothrys Peter Rubtzoff 1972-4-23 s.n. Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC166780  Plagiobothrys Peter Rubtzoff 1969-5-3 6013 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD166132  Plagiobothrys Peter Rubtzoff 1969-5-3 6016 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC154144  Plagiobothrys Peter Rubtzoff 1973-7-24 7198 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC154993  Plagiobothrys Peter Rubtzoff 1970-5-16 6217 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC177120  Plagiobothrys Peter Rubtzoff 1969-6-15 6089 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  RSA783739  Plagiobothrys Peter Rubtzoff 1969-6-15 6093 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  RSA785158  Plagiobothrys bracteatus Peter Rubtzoff 1969-5-3 6012 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UCR118791  Plagiobothrys greenei Beecher Crampton 1955-4-5 2413 Sonoma Santa Rosa Area, 2 miles southwest of Windsor 91 Comment
  JEPS117070  Plagiobothrys greenei Peter Warner 2010-3-30 128 Sonoma Annadel State Park, east of Santa Rosa; approx. 200 m south of Cobblestone Trail, approx. 1 km west of Channel Drive. Comment
  UC79580  Plagiobothrys reticulatus var. rossianorum Katharine Brandegee June 1905 Sonoma Bodega Bay Comment
  SJSU5863  Plagiobothrys reticulatus var. rossianorum S. H. Casey 1969-5-13 241 Sonoma Sea Ranch 3 mi N of Stewarts Point Comment
  RSA51316  Plagiobothrys stipitatus P. H. Raven 1950-4-6 1570 Sonoma Cotati to Santa Rosa. 30 Comment
  UCD35306  Plagiobothrys tenellus Beecher Crampton 1955-4-5 2409 Sonoma 3 miles west of Fulton, along Woolsey Road, below Mt. Olivet School. Comment
  UCD121046  Plagiobothrys undulatus Frederica Bowcutt 1984-6-23 443 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. West of Highway 1, approx. 1/3 mile north of Gerstle Cove. Salt Point State Park. 15 Comment
  UCR279888  Plagiobothrys undulatus Peter Rubtzoff 1972-5-25 6771 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  SD39913  Plantago lanceolata Edith A. Purer 1932-7-21 4050 Sonoma Bodega Bay Comment
  RSA30698  Plantago maritima E. K. Balls, Percy C. Everett 1953-10-9 18601 Sonoma Sonoma Coast State Park, 0.5 mi NW of Salmon Creek, Hwy 1 between Bodega Bay and Jenner. 15 Comment
  SEINET3854582 Image available Platystemon Lewis S. Rose 1933-5-9 33157 Sonoma Bodega Bay. Comment
  CHSC22752  Platystemon californicus Robert A. Schlising 1962-3-31 2111 Sonoma California Coast Ranges. In pastured field. Comment
  UC50134  Platystemon californicus Harley P. Chandler 1900-5-25 707 Sonoma Bodega Bay Comment
  UCD19909  Platystemon californicus C. H. Lamoureux; J. M. Tucker, J. McCaskill, and S. Armstrong 1957-4-7 1190 Sonoma Duncan Point, Sonoma Coast State Park. 15 Comment
  UC58284  Plectritis brachystemon A. A. Heller 1903-4-23 6603 Sonoma Fort Ross Comment
  SD130535  Plectritis ciliosa F. Alameda, G. DeNevers 1981-3-30 4893 Sonoma Pepperwood Ranch, SE facing slopes just west of the Redwood Canyon Comment
  POM59703  Plectritis congesta subsp. nitida A. A. Heller 1903-4-23 6603 Sonoma Fort Ross. From type locality. Comment
  SD71039  Pleuropogon californicus David L. Morgan 1961-4-25 Sonoma Low wet field near Stemple Creek, 3 miles southwest of Cotati Comment
  SJSU5733  Pleuropogon californicus Lewis S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  UC1024775  Pleuropogon californicus Leo Whitney 1935-3-17 2354 a Sonoma Santa Rosa Comment
  UCD150838  Pleuropogon californicus Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  UCD37569  Pleuropogon californicus Beecher Crampton 1955-4-5 2418 Sonoma 3 miles northwest of Cotati, Laguna de Santa Rosa, Llano Road. Comment
  UCD84099  Pleuropogon californicus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  CAS-BOT-BC260987  Pleuropogon californicus var. californicus John Thomas Howell 1931-4-1 6037 Sonoma 9 miles sw. of Sonoma on road to San Rafael Comment
  UCD90135  Pleuropogon californicus var. californicus Beecher Crampton 1956-3-12 3220 Sonoma Alexander Valley Store. Comment
  UCD90193  Pleuropogon californicus var. californicus R. Tofsrud 1949-4-1 s.n. Sonoma south of East Windsor. Comment
  NY431399  Pleuropogon hooverianus P. P. But 1975-5-17 P 4 Sonoma Along Bohemian Hwy. at Freestone Flat Road, 0.5 mile from Freestone Comment
  CAS-BOT-BC311837  Poa Peter Rubtzoff 1974-4-6 7350 Sonoma Kenwood Marsh. Comment
  UCD92180  Poa Beecher Crampton 1957-7-11 4294 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCR275258  Poa Peter Rubtzoff 1976-5-30 8557 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  UCR275262  Poa Peter Rubtzoff 1976-5-30 8576 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  RSA0021491  Poa Peter Rubtzoff 1976-5-30 8560 Sonoma Kenwood Marsh Comment
  UC729987  Poa howellii Leo F. Koch 1940-4-22 829 Sonoma roadside near Little Sulfur Creek; Sulfur Spring Canyon Comment
  CAS-BOT-BC255851  Poa kelloggii P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar Comment
  CAS-BOT-BC256032  Poa pratensis Peter Rubtzoff 1961-5-24 4594 Sonoma Upper Stemple Creek Marsh Comment
  CAS-BOT-BC256038  Poa pratensis Peter Rubtzoff 1960-6-7 4458 Sonoma Austin Creek Marsh Comment
  UCD91631  Poa secunda subsp. secunda Freed W. Hoffman 1942-4-15 2261 Sonoma Near Guerneville, Herr Ranch. Comment
  UCD91724  Poa secunda subsp. secunda David L. Morgan 1961-4-12 s.n. Sonoma Junction of 'I' St. Ext. and San Antonio Road. 2 miles SW of Petaluma. Comment
  UCD91767  Poa secunda subsp. secunda Gerry North 1993-3 46 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 .2 miles E of park entrance gate. On SW facing slope. 243 Comment
  CAS-BOT-BC244199  Poa trivialis Peter Rubtzoff 1955-6-26 1905 Sonoma Duncans Mills Marsh, edge of the lower portion of the marsh Comment
  CAS-BOT-BC244200  Poa trivialis Roxana S. Ferris; Laura Lorraine 1961-6-14 13542 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  CAS-BOT-BC110663  Poaceae Peter Rubtzoff 1970-8-25 6342 Sonoma On Austin Creek beach, 0.5 miles north of Casadero. Comment
  UCD84289  Pogogyne douglasii Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  SBBG47335  Pogogyne douglasii P. Rubtzoff 1971-6-23 Sonoma 4.25 mi W of Glen Ellen Comment
  UC25594  Pogogyne douglasii subsp. parviflora H. N. Bolander April 1864 3901 Sonoma Mark West Comment
  RSA70709  Polygala californica L. S. Rose 1951-5-17 51004 Sonoma Hills east of Agua Caliente 152 Comment
  SEINET12205440  Polygala californica F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -166 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 330 Comment
  CAS-BOT-BC110536  Polygonum Peter Rubtzoff; Nancy Harrison; Ruth Hass 1974-8-31 7853 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC540850  Polygonum Peter Rubtzoff 1974-9-1 7859 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville Comment
  CAS-BOT-BC164043  Polygonum arenastrum Peter Rubtzoff 1961-8-22 4681 Sonoma Fife Creek Marsh. Comment
  UCD73926  Polygonum bolanderi G. Ledyard Stebbins 1966-7-22 6480 Sonoma Mountain Home Ranch, 3.5 miles west of Calistoga. 274 Comment
  RSA94326  Polygonum hydropiperoides Peter Rubtzoff 1951-9-2 711 Sonoma N of the Lower marsh, in the creek Comment
  CDA22833  Polygonum paronychia R. F. Wilkey 1967-10-1 Sonoma Goat Rock, Bodega Bay. 0 Comment
  POM144838  Polygonum punctatum A. A. Heller 1902-8-20 6053 Sonoma Lagoon at Scbastopol Comment
  SEINET11720935  Polypodium californicum F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -64 Sonoma Glen Ellen area, junction Warm Springs Road & Sonoma Mt. Road along Graham Creek Comment
  RSA0023111  Polypogon Peter Rubtzoff, Nancy Harrison 1974-9-7 7889 Sonoma Hinebaugh Creek in Rohnert Park, in creek bed under Commerce Blvd. bridge. Comment
  CAS-BOT-BC233003  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC331491  Polypogon interruptus Peter Rubtzoff 1973-7-24 7194 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC237395  Polypogon monspeliensis John Thomas Howell; Walter & Irja Knight 1988-5-21 6225 Sonoma Todd Road Preserve 24 Comment
  SD39929  Polypogon monspeliensis Edith A. Purer 1932-7-24 4082 Sonoma Bodega Bay, stabilized dunes Comment
  UCR218737  Polypogon monspeliensis George 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
  HSC76929  Polystichum californicum R. W. Becking 1983-6-28 Sonoma Glen Ellen, Bouverie Audubon Preserve. Watershed of Stuart Creek in top-most redwood grove Comment
  SEINET6744750  Polystichum californicum Michener, Bioletti 1893-1 Sonoma Adobe Canon Comment
  UCR222529  Polystichum imbricans subsp. imbricans George K. Helmkamp, E. A. Helmkamp 2010-6-5 16248 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
  SBBG298  Polystichum munitum H. and M. Dearing 1939-5-15 3386 Sonoma N of Fort Ross Comment
  RSA12253  Polystichum munitum C. B. Wolf 1934-6-29 5798 Sonoma 6/10 mile inland from Stewarts Point. 61 Comment
  RSA620430  Portulaca oleracea Peter Rubtzoff 1965-8-22 5610 Sonoma Russian River, Forest Hills 5.5 mi. east of Guerneville. Open, moist bank of river bottom. Comment
  CAS-BOT-BC452163  Potamogeton diversifolius Peter Rubtzoff 1955-7-16 1970 Sonoma Bennett Mtn. Lake. Comment
  CDA15401  Potamogeton filiformis G. F. Hrusa, R. Gross 1997-8-31 14094 Sonoma North Coast Biodiversity Arena; Uncommon in pond on Foote Ranch, NW base of Mt. St. Helena. Immed. NE of int. of Hwy. 128 and Ida Clayton Road. Single patch in desely vegetated corner on N side of pond. Flowering spikes emersed. Comment
  CAS-BOT-BC258004  Potamogeton foliosus Peter Rubtzoff 1970-10-3 6409 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC454021  Potamogeton pectinatus Peter Rubtzoff 1954-8-3 1631 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC141954  Potentilla anserina subsp. pacifica Peter Rubtzoff 1955-8-20 2066 Sonoma Bodega Harbor Marsh - Sonoma County Marshes Comment
  HSC98398  Potentilla anserina subsp. pacifica James Faro 1962-4-17 28 Sonoma W side of Bodega Bay, N end Comment
  CAS-BOT-BC141601  Potentilla uliginosa John Thomas Howell 1947-6-26 23297 Sonoma Cunningham Marsh 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
  JEPS23733  Prunella vulgaris Eleanor Armstrong May 1932 498 Sonoma near Camp Meeker; near Camp Meeker 121 Comment
  CAS-BOT-BC6245  Prunella vulgaris var. atropurpurea Amos Arthur Heller 1902-6-4 5639 Sonoma Santa Rosa Comment
  CAS-BOT-BC159844  Prunus cerasifera Greg de Nevers 2002-3-12 12648 Sonoma Bouverie Audubon Preserve, Highway 12, Glen Ellen Comment
  CAS-BOT-BC368037  Prunus subcordata Greg de Nevers 1998-7-6 11298 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Leslie Road 400 Comment
  UC1128436  Prunus virginiana var. demissa H. S. Yates 1934-4-22 3860 Sonoma near Petrified Forest 243 Comment
  RSA90534  Prunus virginiana var. demissa Leo Koch 1939-5-15 626 Sonoma Hamilt(a)on Ranch. 1 mile from Old Adobe. East of Petaluma. Comment
  UCD148405  Pseudognaphalium stramineum Peter Rubtzoff 1958-8-16 3884 Sonoma Laguna de Santa Rosa, north of Sepastopol, near Occidental Road. Comment
  CAS-BOT-BC80181  Pseudotsuga menziesii Irja Knight; Walter Knight 1963-9-15 291 Sonoma Los Alamos Rd, Santa Rosa Comment
  JEPS46756  Pseudotsuga menziesii var. menziesii W. L. Jepson 1931-7-19 15955 Sonoma Watson School near Bodega Comment
  NY63889  Pseudotsuga menziesii var. menziesii A. A. Heller 1902-3-31 s.n. Sonoma Mt. Hood Comment
  CAS-BOT-BC173846  Psilocarphus Peter Rubtzoff; Nancy Harrison 1974-5-26 7480 Sonoma Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  CAS-BOT-BC176176  Psilocarphus Peter Rubtzoff 1970-5-16 6228 Sonoma 5 miles north of Sears Point. Comment
  UCD167966  Psilocarphus James Neilson 1977-6-12 3921 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-BC361863  Psilocarphus oregonus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53943 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC362075  Psilocarphus tenellus G. DeNevers 1981-4-30 889 Sonoma Pepperwood Ranch. At Pippindale Garden Comment
  CDA8509  Psilocarphus tenellus var. tenellus G. A. Benincasa 1975-7-23 Sonoma Facendini Lane, Occidental. 0 Comment
  CAS-BOT-BC72690  Pteridium aquilinum Peter Rubtzoff 1951-8-18 613 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  UC125357  Pterostegia drymarioides Katharine Brandegee June 1905 Sonoma Bodega Head Comment
  CAS-BOT-BC460851  Pyrola aphylla Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  SEINET11993492  Pyrola asarifolia F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -167 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 330 Comment
  CAS-BOT-BC36523  Quercus James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  CAS-BOT-BC376277  Quercus Greg de Nevers 1990-11-8 9747 Sonoma Santa Rosa, County Administration Building 76 Comment
  SD225863  Quercus X chasei John M. Tucker 1952-9-20 2624 Sonoma Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, large tree in the back yard of the Voight house. Comment
  UCD45320  Quercus X chasei John M. Tucker 1952-9-20 2624 Sonoma (Q. kelloggii Newb. X Q. agrifolia Nee). California, Sonoma Co.; Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham. Comment
  CAS-BOT-BC94234  Quercus X eplingii Peter H. Raven 1955-8-27 8757 Sonoma 3.2 mi N of Sears Point on State Route 37 Comment
  CAS-BOT-BC94705  Quercus X howellii G. De Nevers 1981-9-5 1824 Sonoma Pepperwood Ranch. In the Garrison Yard, between the Blue Damson Plum and the Oregon Oak Comment
  UC405367  Quercus agrifolia W. P. Taylor 1913-6-11 Sonoma Freestone Comment
  UC503094  Quercus agrifolia Joseph P. Tracy 1930-11-30 9271 Sonoma creek below Knights Valley; North Coast Ranges 152 Comment
  CAS-BOT-BC61634  Quercus agrifolia Margot Lowry 1983-5-1 40 Sonoma ca. one mile from top of Sonoma Mtn Rd., on Sonoma Mtn. 500 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
  CDA11972  Quercus berberidifolia G. F. Hrusa, J. Pfeiffer 1995-9-23 12464 Sonoma North Coast Biodiversity Arena; Lower elevations below Cavedale Edaphic Island, on Cavedale Rd. Approx. 2.7 m. E of Hwy. 12. Comment
  LA46478  Quercus chrysolepis Marcus E. Jones; A. M. 1931-8-3 28846 Sonoma Cloverdale Comment
  CAS-BOT-BC62719  Quercus chrysolepis Greg de Nevers 1981-6-27 1675 Sonoma Paperwood Ranch. Walk up the Creek from Frank Valley Road through the Devil's Kitchen Comment
  SEINET12031414  Quercus chrysolepis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -243 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC86007  Quercus douglasii D. E. Breedlove 1980-6-27 44756 Sonoma Pepperwood Ranch W of Knights Valley Comment
  SEINET12030399  Quercus douglasii W. Knight, Knight, I.; Knight, T. 1985-1 5391 Sonoma Pine Mt. Road Comment
  SEINET12030394  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5103 Sonoma 2.65 mi up Cavedale Rd from Hwy 12 Comment
  SJSU16080  Quercus garryana Allen W. Jacobs 1934-8-1 3 Sonoma Found near the Hilton on NW slope above the Russian River Comment
  OBI14250  Quercus garryana var. garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 mi NE of Penngrove 366 Comment
  OBI37030  Quercus garryana var. garryana P. C. Pende 1979-10-7 s.n. Sonoma On hwy 116 3 mi from Sebastopol 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
  UC478894  Quercus kelloggii Marcus E. Jones, A. M. 1931-7-5 28847 Sonoma The Geysers Comment
  CAS-BOT-BC105488  Quercus kelloggii Margot Lowry 1983-5-1 26 Sonoma ca 1 mile from top of Sonoma Mtn Rd on Sonoma Mtn 500 Comment
  CAS-BOT-BC62801  Quercus lobata Peter Rubtzoff 1951-8-18 637 Sonoma Pitkin Marsh, near Forestville, Western branch of the Upper Marsh Comment
  SJSU10147  Quercus lobata A. W. Jacobs 1939-8-21 Sonoma Russian R near Hilton Comment
  UCR255873  Ranunculus Greg de Nevers 1996-4-18 10793 Sonoma North Coast Range, Knights Valley Marsh, on Bavarian Lion Ranch 137 Comment
  UC1126147  Ranunculus californicus A. Lewis 1932-5-14 76 Sonoma Calabasas Creek Napa Quadrangle 457 Comment
  RSA785701  Ranunculus californicus Carrie A. Herd 1982-3-14 15 Sonoma Crane Creek Regional Park Comment
  UC726347  Ranunculus californicus A. A. Heller 1937-5-1 16174 Sonoma in field back of bluff n Bodega Bay Comment
  UCD95956  Ranunculus californicus P. B. Kennedy 1914-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC378679  Ranunculus californicus var. californicus Peter Rubtzoff 1957-5-4 3300 Sonoma Duncans Mills Marsh, border of the uper part of Marsh Comment
  CAS-BOT-BC378704  Ranunculus californicus var. californicus Peter Rubtzoff 1969-6-14 6072 -C Sonoma vernal pool 6.5 mi northeast of Penngrove, on Lichen Road 426 Comment
  UCD19911  Ranunculus californicus var. crassifolius C. H. Lamoureux; J. M. Tucker, J. McCaskill, and S. Armstrong 1957-4-7 1192 Sonoma Duncan Point, Sonoma Coast State Park. 15 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
  JEPS55143  Ranunculus muricatus W. L. Jepson 1914-4-11 5803 Sonoma Sonoma Valley 35 Comment
  UCD96244  Ranunculus muricatus Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 60 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
  SD254692  Ranunculus occidentalis Ann Howald 2015-4-1 3320 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Road, 15.7 miles west of intersectyion with Rockpile Road, Wolf Creek drainage (Tombs Creek 7.5'Q) 397 Comment
  RSA534614  Ranunculus occidentalis var. eisenii Peter Rubtzoff 1974-4-17 7368 Sonoma Upper Green Valley Marsh area. Comment
  UC1126138  Ranunculus orthorhynchus var. bloomeri C. M. Belshaw 1936-3-7 1555 Sonoma 1 mi ne Occidental; Sebastopol Quadrangle Comment
  UC70364  Ranunculus orthorhynchus var. bloomeri Milo S. Baker May 1899 Sonoma Kenwood Comment
  UCD115233  Raphanus sativus M. Wiesendanger 1927-5-5 716 Sonoma Sonoma County. Comment
  SEINET11992994  Reseda luteola W. Knight, Knight, I.; Knight, T. 1985-1 5142 Sonoma Willow Creek Road, ca 3 mi from Coleman Valley Road Comment
  CAS-BOT-BC56600  Rhododendron macrophyllum Mary P. Wells 1984-8-9 450 Sonoma Forest off north end of Deerfield Road, The Sea Ranch Comment
  UCR55867  Rhododendron macrophyllum Fran Sibel 1965-4-30 350 Sonoma North Coast, Gualala, off CA Hwy 1 152 Comment
  UC22146  Rhododendron occidentale W. H. Brewer 1861-11-9 859 Sonoma nw of Mount St. Helena Comment
  CAS-BOT-BC200343  Rhododendron occidentale var. occidentale Peter Rubtzoff 1970-6-6 6254 Sonoma Bloomfield Road. 4 1/4 mi. northeast of Bloomfield Comment
  CAS-BOT-BC227170  Rhododendron occidentale var. occidentale G. F. Hrusa 1988-4-22 5569 Sonoma Cavedale Rd. between Hwy 12 and Hwy 29 300 Comment
  CDA38887  Rhododendron occidentale var. occidentale T. C. Fuller 1958-5-24 3987 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CAS-BOT-BC200354  Rhododendron occidentale var. paludosum M. S. Baker 1898-6-11 s.n. Sonoma Sulphur Creek Comment
  POM313092  Rhynchospora alba H. L. Mason 1946-7-4 12880 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  RSA94069  Rhynchospora californica J. T. Howell 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111899  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111915  Rhynchospora globularis Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  POM142003  Ribes californicum A. A. Heller 1903-4-24 6364 Sonoma Woods near Cazadero. Comment
  CAS-BOT-BC212922  Ribes menziesii John Thomas Howell 1934-3-3 11737 Sonoma 8 miles south of Fort Ross Comment
  UC75453  Ribes roezlii var. cruentum Milo S. Baker 1898-4-4 23 Sonoma Sea View Comment
  UC75454  Ribes roezlii var. cruentum Milo S. Baker 1903-3-20 Sonoma Hood Mt. Comment
  CAS-BOT-BC209372  Ribes sanguineum var. glutinosum Catherine Best 1988-3-12 1314 Sonoma At the edge of Bodega Bay on the west side Comment
  UC75445  Ribes sanguineum var. glutinosum Milo S. Baker 1899-6-26 Sonoma near Russian River (Coast Road) Comment
  CAS-BOT-BC168768  Ribes victoris Michener; Bioletti 1893-4-1 219 Sonoma Adobe Canyon Comment
  SEINET5660524 Image available Ribes victoris Paul M. McKenzie, Lowell E. Urbatsch; Annette Parker; Karla Wilzer 1971-1 176 Sonoma On North slope near construction site; ca. 8 miles west of Geyserville on Stewarts Point--Skaggs Springs Roads.; Stewarts Point Comment
  UC75438  Ribes victoris var. minus Milo S. Baker June 1899 Sonoma near Mt. Hood (one mile from mouth of Sonoma Canyon); Sonoma Creek Comment
  CAS-BOT-BC376370  Rorippa 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. 400 Comment
  JEPS73285  Rorippa Edward Lee 1934-4-30 757 Sonoma 1 mi w 2 Rock Junction; w of 2 Rock Junction Comment
  CAS-BOT-BC344922  Rorippa curvisiliqua Peter Rubtzoff 1974-6-2 7517 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC74701  Rorippa curvisiliqua Peter Rubtzoff 1958-9-27 4010 Sonoma Laguna de Santa Rosa northeast of Graton (0.5 mile north of Guerneville Road). Comment
  UCD150847  Rorippa curvisiliqua Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  CAS-BOT-BC152658  Rosa californica Peter Rubtzoff 1951-8-18 631 Sonoma Western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC152663  Rosa californica Peter Rubtzoff 1958-7-5 3730 Sonoma Atascadero Creek marsh Comment
  POM89567  Rosa californica Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  UC914710  Rosa californica Marcus E. Jones, A. M. 1882-7-18 Sonoma Duncan's Mills Comment
  UCD158731  Rosa californica Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 2 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. along Big Sulphur Creek. Elevation estimated by label maker. 853 Comment
  RSA181402  Rosa californica James I. McMurphy 1910-6-8 s.n. Sonoma Roadside hills east of Petaluma 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
  CAS-BOT-BC146773  Rosa gymnocarpa Irja Knight; Walter Knight 1964-11-15 782 Sonoma Hood's Peak on road to enroute to Johnson Lake Comment
  UCD113879  Rosa gymnocarpa M. Wiesendanger 1927-5-5 737 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC148296  Rosa pinetorum Greg de Nevers 1991-12-18 9839 Sonoma Pepperwood Naturual Preserve, 3450 Franz Valley Road, along Franz Valley Rd. by road cut below Al Cuneo's house. 475 Comment
  UC191247  Rosa spithamea Edw. L. Greene 1888-9-1 Sonoma Comment
  CAS-BOT-BC251222  Rosaceae Peter Rubtzoff 1966-11-9 5838 Sonoma Along Salmon Creek, near Freestone. Comment
  CAS-BOT-BC156601  Rubus bifrons Peter Rubtzoff 1951-6-30 289 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC157659  Rumex Peter Rubtzoff 1964-6-3 5351 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC166690  Rumex Peter Rubtzoff 1958-7-20 3791 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  UCR255649  Rumex Greg de Nevers 1997-9-22 11088 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  UCD166089  Rumex Peter Rubtzoff 1971-6-29 6579 Sonoma Pitkin Marsh, Area 27. Comment
  CAS-BOT-BC422232  Rumex acetosella Peter Rubtzoff 1952-3-22 871 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC422238  Rumex acetosella G. DeNevers 1981-5-30 1336 Sonoma Pepperwood Ranch. N of Hansel's corral. Comment
  POM165242  Rumex acetosella A. A. Heller 1902-6-7 5655 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  SEINET11933907  Rumex acetosella F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -174 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road, between Jimtown & Mercuryville 485 Comment
  UCD101051  Rumex acetosella Caitlin Lewis; William Mutch 1993-4-17 10 Sonoma about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile near visitor center. Along Sonoma Creek. 365 Comment
  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-BC421850  Rumex conglomeratus C. F. Leithold 1893-7-1 s.n. Sonoma Bennet [Bennett] Valley Comment
  CAS-BOT-BC421856  Rumex conglomeratus John Thomas Howell 1938-7-3 13962 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC433410  Rumex crispus Mary P. Wells 1984-5-30 317 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC433416  Rumex crispus Peter Rubtzoff 1951-6-30 310 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  UCD148412  Rumex obtusifolius Peter Rubtzoff 1959-6-20 4167 Sonoma Willow Creek Marsh. Comment
  SD56751  Rumex pulcher Darley F. Howe 1963-7-2 3579 Sonoma 4.2 mi. no. of jnct. With #12 on #1, on sea bluff Comment
  CAS-BOT-BC258034  Rumex salicifolius Peter Rubtzoff; Nancy Harrison 1974-9-7 7884 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  RSA698487  Rumex salicifolius var. montigenitus J. R. Bruff 1936-07 s.n. Sonoma Bodega Bay. Comment
  HSC49283  Rupertia physodes J. P. Smith, J. O. Sawyer 1977-6-5 2880 Sonoma Canyon Rd. about 1/2 mi. W of US 101 across from Pendrocelli Winery Comment
  UCD138320  Ruppia maritima P. G. Connors 1991-6-25 179 Sonoma Bodega Marine Laboratory housing. 920N, 5140E. Comment
  UCSB45520  Rytidosperma penicillatum Roos, John 1957-7-2 Sonoma Miller Ridge Comment
  CAS-BOT-BC445690  Sagittaria cuneata Peter Rubtzoff 1963-6-6 5159 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC445696  Sagittaria cuneata Peter Rubtzoff 1971-7-9 6594 Sonoma 5 mi. north of Sears Point. Comment
  CAS-BOT-BC445780  Sagittaria latifolia John Thomas Howell 1946-8-17 22879 Sonoma The Laguna just east of Sebastopol Comment
  CAS-BOT-BC126270  Salix X sepulcralis Peter Rubtzoff 1951-8-19 645 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC135955  Salix alba subsp. vitellina Walter Knight; Irja Knight 1987-3-16 6010 Sonoma Corner Adobe Rd. & Stage Gulch Rd. Comment
  CAS-BOT-BC103085  Salix bonplandiana Peter Rubtzoff 1957-5-4 3320 Sonoma Vacation Beach, near Guerneville; bank of Russian River Comment
  UC490514  Salix exigua var. hindsiana Joseph P. Tracy 1932-5-8 9899 Sonoma in river bed Geyserville; Northern Coast Ranges Comment
  SEINET11992143  Salix hookeriana F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -154 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1, along Russian River 37 Comment
  UC453096  Salix lasiandra subsp. lasiandra W. A. Setchell 1925-7-25 14 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  UC453098  Salix lasiandra subsp. lasiandra W. A. Setchell 1931-7-25 16 Sonoma Bohemian Grove near Monte Rio (lower bank of Russian R.); Russian R. Comment
  UC511618  Salix lasiandra subsp. lasiandra W. A. Setchell 1933-7-13 Sonoma Monte Rio Bohemian Grove (opposite iron warehouse on R.R.); , Monte Rio Comment
  CAS-BOT-BC128059  Salix lasiandra var. lasiandra A. A. Heller 1902-4-18 5329 Sonoma Near Windsor on Russian River Comment
  CAS-BOT-BC128064  Salix lasiandra var. lasiandra John Thomas Howell 1932-9-18 10772 Sonoma Bank of slough draining Kenwood Marsh. Comment
  CHSC116236  Salix lasiandra var. lasiandra Barbara Wilson 3015-09-23 18822 Sonoma 2800 4th St., Santa Rosa. 62 Comment
  CAS-BOT-BC107097  Salix lasiolepis Peter Rubtzoff 1952-3-23 904 Sonoma Southern half of Lower Marsh Comment
  UC1042520  Salix lasiolepis Peter Rubtzoff 1951-9-2 714 Sonoma marshy opening s Upper Marsh (near Forestville); Pitkin Marsh Comment
  UC1084450  Salix lasiolepis G. Thomas Robbins 1940-3-24 308 Sonoma ca. 6 mi. e. Santa Rosa (Rincon Grade) 167 Comment
  UC453084  Salix lasiolepis W. A. Setchell 1931-7-25 5 Sonoma Bohemian Grove Russian River (lower bank of river, near Monte Rio) Comment
  UC453105  Salix lasiolepis W. A. Setchell 1931-7-31 20 Sonoma Bodega Bay Comment
  UC482119  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UC66159  Salix lasiolepis A. A. Heller 1902-3-10 5016 Sonoma hills 2 mi se Santa Rosa Comment
  RSA31743  Salix lasiolepis A. A. Heller 1900-3-18 5097 Sonoma Santa Rosa Creek. Near Santa Rosa. Comment
Read comments May 1 2014
  RSA94335  Salix lucida Peter Rubtzoff 1952-3-23 890 Sonoma Lower part of the Upper Marsh, in open damp area. Comment
  SBBG29046  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Russian River, Bohemian Grove, near Monte Rio Comment
  UC490560  Salix melanopsis Joseph P. Tracy 1932-5-8 9897 Sonoma Geyserville Northern Coast Ranges, Geyserville Comment
  CAS-BOT-BC126184  Salix scouleriana W. A. Setchell 1933-7-9 3 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  CAS-BOT-BC126190  Salix scouleriana Milo S. Baker 1933-1-1 s.n. Sonoma Along Santa Rosa - Bodega Highway, at O'Farrell Hill, 3 miles west of Sebastopol Comment
  CAS-BOT-BC126196  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 342 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  LA208920  Salix scouleriana Baker; Ball, Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental; on Occidental grade Comment
  POM219058  Salix scouleriana Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental on Occidental Grade. Comment
  CAS-BOT-BC128907  Salix sitchensis Ball; Bracelin; Baker; Crum 1931-5-9 344 Sonoma About 2 km. east of Bodega Bay Comment
  CAS-BOT-BC128912  Salix sitchensis A. A. Heller 1902-3-12 5044 Sonoma Sonoma Creek, foot of Mt. Hood Comment
  UC453110  Salix sitchensis W. A. Setchell 1931-8-1 24 Sonoma 1 1/2 mi. in from Jenner-by-the-Sea (near Ferry Camp) Comment
  UC482107  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 36 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  UC1124722  Salvia columbariae H. S. Yates 1934-4-22 3862 Sonoma near Petrified Forest; Calistoga Quad. 243 Comment
  OBI48690  Salvia sonomensis Michener & Bioletti, Bioletti June1893 s.n. Sonoma Hoods Peak 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
  UC174166  Sanicula arctopoides Katharine Brandegee June, 1905 Sonoma Bodega Comment
  UC73327  Sanicula arctopoides Milo S. Baker 1898-4-5 6 a Sonoma between Stewarts Point and Sea View Comment
  POM117139  Sanicula crassicaulis Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UC353906  Sanicula laciniata Milo S. Baker 1927-3-27 2031 a Sonoma above House at Maple Glen Comment
  UCR244592  Saponaria officinalis Peter Rubtzoff 1967-8-18 5849 Sonoma Banks of Russian River, 6 mi east of Guerneville 18 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
  UC480598  Saxifraga integrifolia Carl Meyer 1928-4-3 324 Sonoma Santa Rosa Comment
  UC1084361  Saxifraga mertensiana G. Thomas Robbins 1937-3-26 24 Sonoma near Bodega Bay Comment
  UC73121  Saxifraga mertensiana Milo S. Baker 1898-4-6 762 Sonoma near Nobles (Gualala River); Gualala River Comment
  UCSB24052  Scandix pecten-veneris James, C. 1966-4-24 Sonoma Highway 12, 2 miles east of its junction with State 116 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
  CAS-BOT-BC283140  Schedonorus arundinaceus G. De Nevers 1982-4-30 1966 Sonoma Philli's Lake, Pepperwood Ranch Comment
  CAS-BOT-BC283146  Schedonorus arundinaceus David L. Morgan 1960-7-7 s.n. Sonoma On Roblar Road 1/2 mi. W. of Stony Pt. Road at R.R. crossing Comment
  CAS-BOT-BC311818  Schedonorus arundinaceus Peter Rubtzoff 1958-5-17 3674 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC422354  Schedonorus arundinaceus Peter Rubtzoff 1962-5-11 4823 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC422369  Schedonorus arundinaceus Peter Rubtzoff 1962-5-25 4838 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  RSA0022392  Schedonorus arundinaceus Peter Rubtzoff 1962-5-11 4823 Sonoma Laguna de Santa Rosa. E of Cunningham (near Llano Road). Comment
  NY663862  Schoenoplectus mucronatus P. Rubtzoff 1979-7-15 9290 Sonoma Knights Valley. Pond at east side of Ida Clayton Road just north of its junction with Hwy. 128. Comment
  CAS-BOT-BC111801  Schoenoplectus pungens var. badius Peter Rubtzoff 1963-8-17 5233 Sonoma Russian River Mouth Marsh. Comment
  RSA595079  Schoenoplectus tabernaemontani Peter Rubtzoff 1986-9-28 9742 Sonoma Russian River at Forest hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC111843  Schoenoplectus tabernaemontani Peter Rubtzoff 1962-7-4 4970 Sonoma Fitch Mtn. Grove, 2 mi. E of Healdsburg. Comment
  UC1153783  Scirpus cernuus B. Crampton 1957-7-22 4374 Sonoma 0.9 mi s Stewart's Point (along State Hwy 1); s of Stewart's Point Comment
  CAS-BOT-BC516413  Scoliopus bigelovii A. A. Heller; H. E. Brown 1902-3-22 5128 Sonoma West of Sebastapol Comment
  SEINET12058074  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -004 Sonoma ca 0.3 mi WNW of Camp Meeker on Bohemian Road along floodplain of Dutch Bill Creek 50 Comment
  SEINET12058076  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
  UCD92543  Scribneria bolanderi L. Whitney; E. W. 1935-4-14 s.n. Sonoma near Occidental. Comment
  SEINET12332455  Scrophularia californica F. H. Utech 1988-1 88 -224 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1, mile marker 29.90 100 Comment
  SEINET10869909 Image available Scutellaria antirrhinoides A. Arthur Heller 1902-6-27 Heller 5786 Sonoma West of Windsor near Russian River Comment
  UC1713657  Scutellaria tuberosa John Thomas Howell 1937-4-11 12891 Sonoma e of Glen Ellen (Triniti Mountain); Triniti Mountain Comment
  NY415716  Scutellaria viarum A. A. Heller 1902-6-27 5786 Sonoma West of Windsor near Russian River Comment
  HSC6467  Sedella pumila Leo Koch 1940-4-24 848 Sonoma N of Agua Caliente Comment
  CAS-BOT-BC371431  Sedum radiatum subsp. radiatum Greg de Nevers 1997-4-17 10949 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC63940  Sedum radiatum subsp. radiatum J. Clausen 1935-5-23 1076 Sonoma 1.2 miles S of Petrified Forest. Comment
  CAS-BOT-BC361395  Sedum spathulifolium Greg de Nevers 1993-5-17 10453 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. 457 Comment
  CAS-BOT-BC376339  Selaginella wallacei Greg de Nevers 1997-12-12 11110 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In 40 acres west of Trapper's Cabin. 400 Comment
  CAS-BOT-BC62201  Selaginella wallacei A. A. Heller 1902-3-10 5024 Sonoma Hills two miles east of Santa Rosa Comment
  CDA42468  Selaginella wallacei T. C. Fuller 1958-5-24 4016 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  UC566633  Senecio glomeratus H. L. Mason 1928-7-10 4884 Sonoma Jenner Comment
  RSA790297  Senecio hydrophilus Peter Rubtzoff 1971-8-9 6636 Sonoma Laguna Lake, Chilano Valley. Comment
  CAS-BOT-BC364680  Senecio vulgaris Walter Knight; Irja Knight 1963-10-14 414 Sonoma Blomquist Ranch, Penngrove Comment
  CAS-BOT-BC80320  Sequoia sempervirens Dr. Louise Taber 1960-6-1 s.n. Sonoma Villa Grande, 1 mi. n. of Monte Rio (at locality known as Patterson Point.) Comment
  CAS-BOT-BC80323  Sequoia sempervirens F. G. Krauss 1893-11-1 s.n. Sonoma Knights [Canon] Canyon Comment
  SEINET10569493  Sequoia sempervirens R. D. Sage 1992-1-10 Sage 13413 Sonoma Collected along Joy Rd between Bodega Hwy and Bittner Rd, ca 2-6 km SW of Occidental. Comment
  CDA31828  Sesbania punicea C. Owens 2010-7-7 s.n. Sonoma In the vicinity of Santa Rosa on River Road. 0 Comment
  CAS-BOT-BC243605  Setaria parviflora Burbank 1926-1-1 s.n. Sonoma Luther Burrant Garden Comment
Read comments Sep 24 2017
  CAS-BOT-BC240274  Setaria viridis Catherine Best 1987-7-2 1298 Sonoma Near the intersection of Todd and Llano roads Comment
  UC871431 Image available Sidalcea calycosa Marcus E. Jones, A. M. 1882-7-18 Sonoma Duncan's Mills Comment
  CAS-BOT-BC187890  Sidalcea calycosa subsp. rhizomata J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma Comment
  UC796565  Sidalcea diploscypha Roxana S. Ferris and Laura Lorraine 1948-6-9 11662 Sonoma on road to Kellogg 11 mi from Geyserville; 11 mi from Geyserville Comment
  UC1299201  Sidalcea diploscypha Freed W. Hoffman 1950-5-27 3592 Sonoma on Healdsburg-Guerneville Highway North Coast Ranges, Roy Litton Ranch (Roy Litton Ranch) Comment
  RSA448573  Sidalcea hartwegii Cora Mae Life 1924-3-23 14601 Sonoma Petaluma. Comment
  RSA87994  Sidalcea malviflora C. L. Hitchcock 1952-6-4 19586 Sonoma 8 miles N. of Ft Ross. Comment
  RSA87714  Sidalcea malviflora subsp. laciniata C. L. Hitchcock 1952-6-4 19582 Sonoma About 2 miles east of Sebastopol Road to Petaluma, Comment
  SEINET3228072  Sidalcea oregana subsp. valida John Thomas Howell 1932-1 Sonoma Comment
  UC1601099  Sidalcea oregana subsp. valida Edw. L. Greene 1890-1 Sonoma Knight's Valley Comment
  CAS-BOT-BC320567  Silene Peter Rubtzoff 1971-7-3 6589 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UC972134  Silene californica Helen K. Sharsmith 1952-6-18 4131 Sonoma 0.8 mi w of junction of Pine-Flat-Middletown road with Socrates Mine Road (Mayacamas Range); Inner North Coast Ranges, Mayacamas Range 914 Comment
  CAS-BOT-BC361365  Silene coniflora Greg de Nevers 1997-4-16 10931 Sonoma Cavedale Road Area burned Sept. 1996 152 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-BC389224  Silene laciniata subsp. californica G. DeNevers 1981-6-27 1698 Sonoma Pepperwood Ranch. Along Franz Valley Road Comment
  CAS-BOT-BC389230  Silene laciniata subsp. californica Peter Rubtzoff 1952-6-10 1225 Sonoma Top of Fitch Mtn., near Healdsburg 304 Comment
  CAS-BOT-BC5808  Silene scouleri subsp. grandis Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC75370  Sisymbrium officinale Peter Rubtzoff 1951-7-21 490 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh. Near the highway. Comment
  CAS-BOT-BC75373  Sisymbrium officinale John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53983 Sonoma Fairfield Osborn Preserve of the Nature Conservancy. 457 Comment
  CAS-BOT-BC166966  Solanum Peter Rubtzoff 1959-8-30 4249 Sonoma Drake's Beach, near Guerneville. Comment
  CAS-BOT-BC164413  Solanum Peter Rubtzoff 1965-9-11 5649 Sonoma Russian River margin at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD166097  Solanum Peter Rubtzoff 1971-8-9 6634 Sonoma Laguna, Chileno Valley. Comment
  SEINET6185639  Solanum nigrum Unknown 1970-8-21 s.n. Sonoma Bodega Bay Comment
  UC914097  Solanum physalifolium var. nitidibaccatum Herbert A. Thomas 1935-11-23 Sonoma Burbank Farm Comment
  UC583529  Solanum umbelliferum Elmer I. Applegate 1934-3-25 8854 Sonoma Pine Flat, w slope of the Mayacama Mountain Range Pine Flat; Mayacama Mountain Range, Pine Flat Comment
  NY820492  Solanum xanti var. intermedium P. H. Raven 1951-5-20 2862 Sonoma Oakville to Glen Ellen 274 Comment
  CAS-BOT-BC365588  Solidago elongata John Thomas Howell 1945-8-14 21401 Sonoma Perry Marsh Comment
  CAS-BOT-BC365582  Solidago elongata Walter Knight; Irja Knight 1963-9-10 247 Sonoma Corner San Antonio Rd & D St. Ext. Comment
  RSA0062825  Solidago occidentalis Greg de Nevers 1989-8-28 9096 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Skovie. 100 Comment
  UCR255059  Solidago occidentalis Greg de Nevers 1989-8-28 9096 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD136065  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
  UC455799  Solidago velutina subsp. californica I. J. Condit 1908-8-14 Sonoma Sebastopol Comment
  UCD133918  Solidago velutina subsp. californica Frederica Bowcutt 1997-7-19 2197 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Franscio, 10 air miles E of Santa Rosa, 0.5 air miles SSE of Red Mountain, 0.1 air mile ENE of confluence of the Malm Fork and Sonora Creek. Along Meadow Trail E. of Gray Pine Trailhead and N. of Sonora Creek. Downstream of culvert under trail, 411 Comment
  CAS-BOT-BC173700  Soliva sessilis Peter Rubtzoff 1960-5-18 4373 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC365961  Soliva sessilis Catherine Best 1984-4-22 930 Sonoma At the Buena Vista Winery about 1 mile south of Sonoma Comment
  CAS-BOT-BC365970  Soliva sessilis D. E. Breedlove 1983-4-11 58689 Sonoma Pepperwood Ranch W of Knights Valley Comment
  RSA790514  Soliva sessilis Peter Rubtzoff 1971-5-8 6444 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mi west of Arnold Drive. 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-BC374527  Sonchus asper John H. Thomas 1976-6-15 18326 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 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-BC236527  Sorghum bicolor Walter Knight; Irja Knight 1963-10-11 428 Sonoma Marshall Ave., Petaluma Comment
  CAS-BOT-BC236593  Sorghum halepense G. DeNevers 1981-7-31 1777 Sonoma Summerhome Park on the Russian River Comment
  RSA227249  Sparganium erectum subsp. stoloniferum Peter Rubtzoff 1954-9-4 1731 Sonoma Bodega Head Marsh. Comment
  SEINET11787288  Sparganium eurycarpum W. Knight, Knight, I. 1984-1 5012 Sonoma at Sea Ranch property 23 Comment
  CAS-BOT-BC236636  Spartina foliosa Peter Rubtzoff 1963-8-17 5219 Sonoma Near Petaluma River, just east of Petaluma Comment
  UCD99162  Spergula arvensis Mary M. Hektner 1974-7-20 156 A Sonoma near Shell Beach; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC323963  Spergularia Peter Rubtzoff 1971-7-23 6614 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC390124  Spergularia bocconi Catherine Best 1982-8-18 s.n. Sonoma Goat Rock Park off of Hwy 1 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-BC320523  Spergularia rubra Peter Rubtzoff 1974-7-29 7789 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  RSA0022423  Spergularia rubra Peter Rubtzoff 1969-8-14 6130 Sonoma Along Salmon Creek, ca. 0.5 mi upstream from Hwy #1. Comment
  POM63419  Stachys ajugoides A. A. Heller 1902-6-27 s.n. Sonoma West of Windsor near Russian river. Comment
  UC416741  Stachys ajugoides var. rigida Katharine Brandegee Sonoma Bodega Comment
  UCLA70882  Stachys ajugoides var. rigida C. Epling, Wm. Robison 1935-7-27 Sonoma Shellville Comment
  UC380648  Stachys chamissonis Marcus E. Jones, A. M. 1882-7-17 3448 Sonoma Duncan's Mills Comment
  RSA94260  Stachys chamissonis Peter Rubtzoff 1951-7-21 520 Sonoma Pitkin Marsh near Forestville. Comment
  UCD126053  Stachys rigida var. quercetorum E. Frost 1996-5-26 25 Sonoma Mt. St. Helena, 150 yards in along hiking trail. 609 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
  UCD126055  Stachys rigida var. quercetorum Cynthia Hodges 1982-4-8 10 Sonoma 10 miles south of Healdsburg on Chalk Hill Road. 38 Comment
  UC465523  Stellaria littoralis Katharine Brandegee 1905-1 Sonoma Bodega Point Comment
  CAS-BOT-BC251257  Stellaria media Peter Rubtzoff 1958-8-31 3951 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC405135  Stellaria nitens Greg de Nevers 1993-3-24 10333 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In Weimar Canyon. 304 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
  UC1292729  Streptanthus brachiatus Freed W. Hoffman 1957-8-22 4207 Sonoma near Contact Mine, E of Pine Flat; on Sonoma-Lake county line 914 Comment
  UC1292731  Streptanthus brachiatus Freed W. Hoffman 1951-7-30 3831 Sonoma E of Pine Ridge, near Contact Mine Comment
  UC1292754  Streptanthus glandulosus Freed W. Hoffman 1948-5-24 2337 Sonoma Austin Creek road just above Great Easten Quicksilver Mine North Coast Ranges Comment
  SEINET10815406 Image available Streptanthus glandulosus Fred W. Hoffman 1948-6-8 Hoffman 2323 Sonoma Great Eastern Quicksilver Mine near Guerneville, Sonoma County Comment
Read comments May 8 2018
  CAS-BOT-BC87236  Streptanthus glandulosus subsp. hoffmanii A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero. Comment
  UC639136  Streptanthus glandulosus subsp. secundus Beryl O. Schreiber 1934-5-16 1121 Sonoma Fitch Mountain Road Healdsburg Comment
  UC985957  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-8-12 2355 Sonoma near headwaters Main Austin Creek; North Coast Ranges, Caughey Ranch Comment
  UC985962  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-4-20 1703 Sonoma Del Preti Hill North Coast Ranges Comment
  CAS-BOT-BC87304  Streptanthus glandulosus subsp. sonomensis Roger Raiche 1986-5-10 60139 Sonoma Northeast of Healdsburg, Reservoir Hill, (end of Sunnyvale Drive). 103 Comment
  UC2031713  Streptanthus hesperidis Sherry Adams 2009-6-10 Sonoma About 12 miles ENE from Healdsburg, via Pine Flat Road. About 500' north of the confluence of McDonnell and Ingalls Creeks Modini Ingalls Ecological Preserve of Audubon Canyon Ranch Comment
  UC1292742  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1947-3-6 1053 Sonoma Gilliam Creek, tributary of East Austin Creek North Coast Ranges Comment
  CAS-BOT-BC33877  Streptanthus tortuosus Frederick Theodore Bioletti 1897-5-30 s.n. Sonoma Hoods Pk. Comment
  UCD166222  Symphoricarpos Peter Rubtzoff 1970-6-14 6259 Sonoma Marsh on River Road, about 3 miles west of Fulton. Comment
  CAS-BOT-BC269710  Symphoricarpos mollis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54012 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCSB15941  Symphoricarpos mollis Breedlove, Dennis 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
Read comments Apr 16 2014
  RSA428904  Symphoricarpos mollis E. S. Spalding 1929-7-5 s.n. Sonoma Near St. Helena. Comment
  UCD136523  Symphyotrichum chilense Mary M. Hektner; Cathy Hendel 1974-7-20 155 Sonoma roadside at junction of Whalebone Reach and State Highway 1, Sea Ranch, Unit 28 Owners' Map. Comment
  UC1119622  Symphyotrichum spathulatum H. S. Yates 1935-10-3 5346 Sonoma Santa Rosa Santa Rosa Quad. 53 Comment
  UCD78035  Synthyris reniformis Robert E. Preston 2001-2-28 1496 Sonoma Ca. Sonoma County: 2.5 mi NE of Fort Ross, near Seaview. 381 Comment
  CDA16157  Taeniatherum caput-medusae G. F. Hrusa, R. Gross 1999-6-12 15078 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
Read comments Jul 28 2008
  CDA16162  Taeniatherum caput-medusae G. F. Hrusa, R. Gross 1999-6-12 15073 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
  CAS-BOT-BC376985  Taraxacum officinale Greg de Nevers 1981-4-1 s.n. Sonoma Pepperwood Ranch Comment
  CDA433  Taxus baccata William Van Aslan 2000-8-24 PDR# 041628 Sonoma Petaluma. In pasture at 5360 Bodega Ave. Comment
  JEPS86301  Teesdalia coronopifolia Charles F. Quibell 1975-2-24 1228 Sonoma 0.5 mi n of intersection with Peracca Guenza intersection (along w side of Grange Road); Grange Road Comment
  HSC46827  Teesdalia coronopifolia Chas F. Quibell 1977-3-18 1393 Sonoma SW corner of Fulton and Piner Rds., W Santa Rosa, between Piner Elementary School and the church on Fulton Rd. Comment
  UC1925913  Tetragonia tetragonoides Ethel Crum Oct 1930 872 Sonoma Petaluma marshes, Sonoma County, to Rio Vista, Solano County. Comment
  UC35392  Tetrapteron graciliflorum W. C. Blasdale 1891-1 Sonoma Comment
  CAS-BOT-BC399881  Thalictrum polycarpum Mrs. H. C. Cantelow 1934-4-29 504 Sonoma Dry Creek Comment
  UC16391  Thermopsis californica var. californica F. T. Bioletti 1892-5-15 Sonoma South Los Guilicos Comment
  UC73213  Thermopsis californica var. californica Milo S. Baker 1898-4-8 2 Sonoma road betw. Stewarts Pt. and Sea View Comment
  CAS-BOT-BC66808  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10935 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66814  Thysanocarpus curvipes Karl H. Rechinger; J. T. Howell 1953-4-12 s.n. Sonoma Hills north of Sonoma. Comment
  SEINET11987373  Thysanocarpus curvipes var. elegans R. A. Schlising 1962-1 2125 -d Sonoma along Cavedale Road, 1 mi E of Hwy 12 Comment
  CAS-BOT-BC447599  Tiarella trifoliata var. unifoliata Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road 3 mi east of Stewarts' Point Comment
  UC1101052  Tofieldia occidentalis subsp. occidentalis Herbert L. Mason 1946-7-4 12887 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  JEPS54955  Tonella tenella Harry K. Roberts 1968-4-6 Sonoma 1.5 air mi nne Rio Nido (1 mi ne of Sonoma Mercury Mine, n side of Mt Jackson, on road to lookout); Mt. Jackson 320 Comment
  RSA801567  Torilis arvensis Peter Rubtzoff 1967-7-2 5844 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD128172  Torilis nodosa Frederica Bowcutt 1984-6-23 436 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. North of Gerstle Cove approx. 1/4 mile. W of Highway 1. 15 Comment
  CAS-BOT-BC81456  Torreya californica Peter H. Raven; R. Snow 1958-7-23 13685 Sonoma on south bank of Wheatfield Fork of Gualala River, 12.5 miles east of Stewarts Point on road to Skaggs Springs Comment
  CAS-BOT-BC81459  Torreya californica Mary P. Wells 1984-7-21 374 Sonoma Hot Spot (near So. Fork of Gualala River) The Sea Ranch Comment
  JEPS48379  Torreya californica Miss Alice Louise Griffin Sonoma Stewart's Point Comment
  UC1134355  Torreya californica E. Armstrong 1934-3-25 906 Sonoma 1 mi w Camp Meeker; Sebastopol Quad. 152 Comment
  UCD139858  Toxicoscordion fremontii P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. 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
  UC1191804  Trichostema laxum Herbert L. Mason 1946-7-4 12897 Sonoma 2 mi E of Occidental Comment
  SEINET6174104 Image available Trientalis europaea var. latifolia Sally Walker 1981-5-25 Sonoma 3 miles west of Occidental Sonoma co. Comment
  SEINET11971029  Trientalis latifolia Unknown 1947-1 102 Sonoma 0.5 mi W of Freezeout Creek, across Russian River from Duncans Mills Comment
  CAS-BOT-BC290683  Trifolium Peter Rubtzoff 1983-8-28 9684 Sonoma Austin Creek ca. 0.5 miles north of Hwy. 116 on Cazadero Road. Comment
  CAS-BOT-BC166759  Trifolium Peter Rubtzoff 1972-6-23 6783 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC173537  Trifolium Peter Rubtzoff 1974-5-26 7496 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173626  Trifolium Peter Rubtzoff 1974-5-19 7441 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  RSA784984  Trifolium Peter Rubtzoff 1972-6-23 6786 Sonoma Atascadero Creek Marsh. Comment
  UC726770  Trifolium albopurpureum var. dichotomum A. A. Heller 1940-5-6 15590 Sonoma near Petrified Forest (roadside bank) 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
  JEPS65919  Trifolium barbigerum var. andrewsii H. L. Mason 1931-4-12 Sonoma Fulton Comment
  JEPS83493  Trifolium barbigerum var. andrewsii Jack and Betty Guggolz 1986-4-1 862 Sonoma ne Shilo Rd-Hwy 101 intersection (sw corner of a field) Comment
  UC631218  Trifolium depauperatum var. amplectens P. B. Kennedy 1915-5-28 Sonoma Del Mar Comment
  LA205212  Trifolium depauperatum var. truncatum M. S. Baker; May 1935 8077 Sonoma Bennett Valley Road, 0.5 mi. E of Santa Rosa Fair Grounds 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
  CAS-BOT-BC366944  Trifolium fragiferum Greg de Nevers 1995-6-16 10755 Sonoma Knights Valley Marsh on Bavarian Lion Ranch 1036 Comment
  UCD109129  Trifolium grayi Beecher Crampton 1955-4-5 2401 Sonoma 2 miles W of Fulton, Woolsey Road. Comment
  UCD143716  Trifolium grayi Freed W. Hoffman 1947-4-7 1937 Sonoma near Windsor. Comment
  UCD136316  Trifolium hirtum M. Rei Scampavia Evangelista 2012-5-19 7 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, travel down Pepperwood Road towards the Visitor Center. Take a left at the sign for the Betchel House. Follow signs on dirt roads that direct towards Three Tree Hill. Park at the top of Three Tree Hill, then take a bearing of 280 degrees for 250 meters. 408 Comment
  UC16904  Trifolium incarnatum unknown 1894-5-4 Sonoma Lytton Springs Healdsburg Comment
  UCD111309  Trifolium macraei Mary M. Hektner 1976-5-10 255 Sonoma Along ocean bluff below Sea Ranch Association Office; Unit 36 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC361338  Trifolium microcephalum Greg de Nevers 1997-4-24 10976 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCR248354  Trifolium microcephalum Peter Rubtzoff 1983-8-28 9683 Sonoma Austin Creek, c. 0.5 mi. north of Hwy 116 on Cazadero Road 15 Comment
  UC165620  Trifolium microdon Milo S. Baker 1898-4 709 Sonoma near Santa Rosa (hills) Comment
  RSA517355  Trifolium subterraneum L. T. Dempster 1958-5-24 1105 Sonoma Pitkin Marsh (on Pitkin Ranch). Comment
  SEINET10829861  Trifolium truncatum A. Arthur Heller, H. E. Brown 1902-4-22 Heller s.n. Sonoma Between Santa Rosa and Agua Caliente. Comment
  SEINET6935458  Trifolium variegatum W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 7.8 miles south-southeast of Annapolis. Comment
  JEPS4354  Trifolium willdenovii W. L. Jepson 1912-4-17 4770 Sonoma Sonoma Valley Comment
  UC16731  Trifolium willdenovii F. T. Bioletti 1892-5-15 Sonoma South Los Guilicos Comment
  UC630889  Trifolium willdenovii P. B. Kennedy 1915-5-28 Sonoma Del Mar Comment
  UCD109525  Trifolium willdenovii P. G. Connors 1992-5-8 249 Sonoma Bodega Head and Dunes. Comment
  UC85324  Trifolium wormskioldii Michener and Bioletti 1892-5-15 Sonoma South Los Guilicos Comment
  CDA28069  Trifolium wormskioldii M. S. Bergseng 1959-8-4 3809 Sonoma Sonoma Coast State Park. 0 Comment
  RSA94345  Trifolium wormskioldii Peter Rubtzoff 1951-7-8 400 Sonoma Pitkin Marsh, near Forestville: Lower part of Upper Marsh Comment
  UC1057434  Trillium albidum G. Thomas Robbins 1937-3-25 3 Sonoma Sonoma Creek Bennett Valley, Sonoma Creek Comment
  SEINET8479609 Image available Trillium albidum A. A. Heller 1902-3-12 5035 Sonoma Sonoma Creek, base of Mt. Hood Comment
  UC726142  Triphysaria eriantha subsp. eriantha A. A. Heller 1940-4-22 15552 Sonoma between East Windsor and West Windsor; btw East Windsor and West Windsor Comment
  SD81262  Triphysaria eriantha subsp. rosea Darley F. Howe 1969-5-29 Sonoma Sea bluff at Sea Ranch Comment
  SD130528  Triphysaria pusilla F. Almeda, G. DeNevers 1981-3-30 4890 Sonoma Pepperwood Ranch, SE facing slopes just west of the Redwood Canyon Comment
  SEINET6987687  Triphysaria pusilla W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Maritime grassland 5 miles north of Fort Ross. Comment
  SD114394  Triphysaria versicolor Darley F. Howe 1963-7-3 3583 Sonoma 20 miles north of junction with #12 on #1 Comment
  UC1334875  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-24 432 Sonoma on State Highway #128, 15 mi nw Calistoga Comment
  UC726331  Triphysaria versicolor subsp. versicolor A. A. Heller 1937-5-1 16176 a Sonoma along State Highway #1 on the bluff at Bodega Bay (s of the town of Bay); on the bluff at Bodega Bay Comment
  RSA129126  Trisetum canescens H. S. Yates 1936-5-16 5600 Sonoma 2 miles SE of Forestville Comment
  UCD93310  Trisetum canescens A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3566 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  UCD93598  Trisetum canescens P. B. Kennedy 1915-6-1 s.n. Sonoma Northern. Del Mar. Comment
  CAS-BOT-BC200099  Trisetum canescens G. DeNevers 1981-5-30 1393 Sonoma E slope of Horse Hill Comment
  CAS-BOT-BC200107  Trisetum canescens Peter Rubtzoff 1951-6-9 180 Sonoma Western branch of the Upper Marsh Comment
  SEINET190369  Triteleia laxa Annetta Carter, Ethel Crum 1941-6-22 1642 Sonoma 3.3 miles east of Bay (Bodega Bay) Comment
  UCR18634  Triteleia laxa John C. Roos 1950-7-22 4866 Sonoma Jenner 30 Comment
  CAS-BOT-BC527968  Triteleia peduncularis John Thomas Howell 1935-5-5 12606 Sonoma Low Field near Kenwood Comment
  CAS-BOT-BC527977  Triteleia peduncularis Peter Rubtzoff 1962-6-19 4924 Sonoma Occidental Marsh Comment
  UC335173  Tropidocarpum gracile Hy. Edwards Apr 1877 139 Sonoma Skaggs Spr. Comment
  CAS-BOT-BC80205  Tsuga heterophylla B. F. Smith 1962-10-24 29 Sonoma 3.5 miles southeast of Gualala 182 Comment
  RSA216183  Typha latifolia Peter Rubtzoff 1960-9-14 4537 Sonoma Laguna de Santa Rosa east of Graton below Occidental and Guerneville roads. Comment
  CAS-BOT-BC91281  Umbellularia californica Walter Knight; Irja Knight 1963-9-15 272 Sonoma Los Alamos Road. Santa Rosa. Comment
  UC1084350  Umbellularia californica G. Thomas Robbins 1937-3-25 5 Sonoma Bennett Valley, Sonoma Creek Sonoma Creek; Bennett Valley, Sonoma Creek Comment
  CAS-BOT-BC404240  Urtica dioica subsp. holosericea Peter Rubtzoff 1959-6-13 4116 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC404246  Urtica dioica subsp. holosericea Peter Rubtzoff 1955-8-20 2057 Sonoma Bodega Harbor Marsh Comment
  CAS-BOT-BC404225  Urtica dioica subsp. holosericea Peter Rubtzoff 1973-8-29 7279 Sonoma Sonoma Creek bottom near Auga [Agua] Caliente Road crossing west of Agua Caliente Comment
  CAS-BOT-BC135767  Veratrum fimbriatum Elizabeth Eaton Morse 1936-8-30 s.n. Sonoma Gualala River Comment
  CAS-BOT-BC164069  Verbascum Peter Rubtzoff 1962-8-24 5070 Sonoma Fife Creek Marsh Comment
  RSA790898  Verbascum Peter Rubtzoff 1954-7-27 1564 Sonoma Guernerville Marsh. Comment
  UCD158729  Verbascum virgatum Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 2 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 853 Comment
  SJSU10584  Verbascum virgatum L. J. Hendricks 1974-5-24 Sonoma N bank Russian R., 0.75 mi W of Healdsburg Comment
  CAS-BOT-BC157664  Veronica Peter Rubtzoff 1966-4-17 5680 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC157680  Veronica Peter Rubtzoff 1959-4-18 4025 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of the Guerneville road crossing. Comment
  CAS-BOT-BC164399  Veronica Peter Rubtzoff 1970-4-19 6211 Sonoma Forest Hills, 5.5 mi. east of Guerneville at 9981 Old River Road. Comment
  CAS-BOT-BC166808  Veronica americana Peter Rubtzoff 1959-6-20 4172 Sonoma Willow Creek Marsh. Comment
  JEPS66218  Veronica americana T. I. Chuang and L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6905 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC164369  Veronica peregrina Peter Rubtzoff 1958-4-26 3594 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UCR279868  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1969-5-11 6037 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  RSA0021068  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1966-4-17 5680 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  JEPS19383  Veronica persica G. Thomas Robbins 1937-3-27 45 Sonoma Santa Rosa Comment
  UCD166123  Veronica persica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 mi. east of Guerneville. At 9981 Old River Road. 16 Comment
  RSA0021071  Veronica persica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 mils east of Guerneville. At 9981 Old River Road. Comment
  UCD165159  Vicia Peter Rubtzoff 1974-5-25 7457 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC540814  Vicia Peter Rubtzoff 1973-8-27 7265 Sonoma Upper Green Valley Marsh area. Comment
  SEINET12165197  Vicia angustifolia F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -225 Sonoma Valley Ford, junction of CA 1 & Valley Ford-Freestone highway, along Ebabias Creek 30 Comment
  RSA0045171  Vicia benghalensis Greg de Nevers 1998-8-25 11307 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along road to Weimar Flat. 100 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
  JEPS73355  Vicia sativa Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 758 Sonoma 1 mi w Two Rock Junction Comment
  RSA239726  Vicia sativa Unspecified 1973-5-18 1083 Sonoma Pitkin-Jones Tree Farm; on Vine Hill Road, 1.3 mi. north of jct. with Guerneyville Rd. from Santa Rosa. Comment
  UC1300880  Vicia sativa subsp. nigra Helen K. Sharsmith 1963-5-25 5490 Sonoma e of Occidental (on Coleman Valley road); San Francisco Bay Region 304 Comment
  SEINET7040131  Vicia sativa subsp. nigra A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  UC1023467  Viola adunca Leo Koch 1939-4-8 496 Sonoma near Plantation; North Bay, Baxman Ranch Comment
  UC1761618  Viola adunca Helen Von Grafen 1927-4-18 Sonoma Cotati Comment
  UC35301  Viola ocellata J. Burtt Davy 1896-3-16 1680 Sonoma Cazadero Comment
  UC762287  Viola ocellata R. F. Hoover 1941-5-14 5075 Sonoma 3 mi s of Monte Rio (on road to Camp Meeker) Comment
  UC828264  Viola ocellata Milo S. Baker June 1939 9469 Sonoma between Occidental and Graton (s side of Meeker Grade); Meeker Grade Comment
  POM161243  Viola sempervirens R. C. Bacigalupi 1928-5-2 1395 Sonoma Cazadero. Comment
  RSA412784  Viola sempervirens Christopher Davidson 1977-6-20 6038 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  UC1762399  Viola sempervirens Edith Hessel 1927-4-17 Sonoma Mill Creek Comment
  SEINET12230244  Viscum album W. O. McCartney 1966-1 s.n. Sonoma NW corner of Mill Station Road and Gravestein North Highway, Sebastopol Comment
  CDA2768  Viscum album subsp. album C. W. Nichols, W. O. McCartney 1966-1-17 Sonoma In back yard of property, 1220 Gravenstein Highway North at Hill Station Road, 1 mile north of Sebastopol. 0 Comment
  SEINET3840829  Viscum album subsp. album C. W. Nichols, W. O. McCartney 1966-1-17 Sonoma Sacremento, 1220 Gravestein highway north at Hill Station road, one mile north of Sebastopol Comment
  OBI2920  Vitis californica Lewis S. Rose 1968-6-25 68115 Sonoma Rincon Ridge, NE of Santa Rosas 122 Comment
  UCD58730  Vitis californica Eric Wada 2006-9-3 RR 5 Sonoma Just east of Monte Rio on SR116 17 Comment
  SEINET10691484  Vitis californica Henry N. Bolander 1866-1 Bolander s.n. Sonoma River at Cloverdale, Calif. Comment
  UCD17551  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma 2 miles N on Upper Lake Highway, E of Ukiah. Comment
  OBI75822  Vitis vinifera David Burgess 1967-11-25 13 Sonoma 6 mi NE of Santa Rosa Comment
  CAS-BOT-BC199914  Vulpia bromoides Peter Rubtzoff 1951-7-7 372 Sonoma Eastern branch of the Upper Marsh Comment
  RSA128468  Vulpia bromoides P. H. Raven 1950-4-6 1552 Sonoma Cotati to Santa Rosa. 30 Comment
  UC576350  Vulpia bromoides H. S. Yates 1937-6-6 6585 Sonoma 3 mi e Jenner; Duncans Mills Quad. 60 Comment
  SEINET5428073  Vulpia microstachys L. Koch 1940-4-22 838 a Sonoma At Geysers in Sulfur Creek Canyon Comment
  CAS-BOT-BC184134  Vulpia microstachys var. microstachys G. DeNevers 1981-5-15 1195 B Sonoma N slope of hill above Hansel's Lake Comment
  JEPS27968  Vulpia microstachys var. pauciflora Rimo Bacigalupi and L. Heckard 1961-6-9 7738 Sonoma 1.75 mi sw Occidental (at junction of Joy Road and Bittner Road) 249 Comment
  UC1023598  Vulpia microstachys var. pauciflora Virginia Bufford 1936-5-20 345 Sonoma 3 mi from Mark West (Kellogg-Mark West Rd) Comment
  UCD94897  Vulpia myuros David L. Morgan 1956-4-19 s.n. Sonoma Gold Ridge Rd., 4 miles W of Sebastopol. Comment