Search Results — 2000 specimen records retrieved (1259 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCD160514  Acaena novae-zelandiae Daniel Potter; T. Harrington, M. Harrington, P. Lash, T. Potter. 2013-10-24 702 Sonoma Salt Point State Park, along Highway 1 at mile marker 43.66. 53 Comment
  CAS-BOT-BC332798  Acer macrophyllum Walter Knight; Irja Knight 1963-8-23 192 Sonoma Joost Ranch, Calistoga Road Comment
  RSA7625  Acer macrophyllum Carl B. Wolf 1933-9-27 5513 Sonoma 2 miles southeast of Kellogg on road to Calistoga 91 Comment
  RSA785741  Acer macrophyllum Carrie A. Herd 1982-5-9 91 Sonoma Trinity Road; turnout; down hillside of road cut. Comment
  CAS-BOT-BC336945  Acer negundo var. californicum Peter Rubtzoff 1951-9-2 715 Sonoma Pitkin Marsh near Forestville, south of the Upper Marsh Comment
  CAS-BOT-BC30079  Achillea millefolium D. E. Breedlove 1962-6-6 2894 Sonoma along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC30076  Achillea millefolium John Thomas Howell 1945-8-14 21396 Sonoma Perry Marsh Comment
  CAS-BOT-BC30090  Achillea millefolium Mary P. Wells 1982-8-23 s.n. Sonoma Salt Point State Park Comment
  UCD128307  Achillea millefolium Mary M. Hektner 1976-12-14 277 Sonoma onto Walk-On-Beach; unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD128365  Achillea millefolium Rimy Waraich; Patti Togioka 1993-5-8 236 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 365 Comment
  CAS-BOT-BC166795  Achyrachaena mollis Peter Rubtzoff 1974-5-26 s.n. Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA783728  Achyrachaena mollis Peter Rubtzoff 1963-6-18 5180 Sonoma Bennett Mountain Lake. Comment
  OBI12965  Acmispon glaber var. glaber Robert F. Hoover 1964-9-8 9289 Sonoma Timber cove Comment
  OBI12974  Acmispon glaber var. glaber Robert F. Hoover 1964-9-8 9288 Sonoma Timber cove Comment
  OBI13223  Acmispon junceus var. biolettii Robert F. Hoover 1964-9-8 9286 Sonoma Kolmer Gulch (near Fort Ross) Comment
  RSA12255  Aconitum columbianum var. columbianum Carl B. Wolf 1934-6-29 5800 Sonoma 6/10 of a mile inland from Stewart's Point. 61 Comment
  CAS-BOT-BC139920  Adenostoma fasciculatum A. A. Heller 1902-6-23 5741 Sonoma Petrified Forest Comment
  CAS-BOT-BC65531  Adiantum aleuticum Mary P. Wells 1984-7-21 375 Sonoma The Hot Spot, The Sea Ranch Comment
  JEPS82260  Adiantum capillus-veneris Roger Raiche 1983-6-25 30423 Sonoma ca 1 mi w Laton Mine (headwaters of Austin Creek, The Cedars) 365 Comment
  UCD160903  Adiantum jordanii James A. Neilson Jr.; Teresa A. Sholars 1975-6-29 3351 Sonoma Section 10, ca. 2 miles west of the Geysers Resort. (Exact location unknown. Coordinates and elevation estimated by label maker.) 396 Comment
  HSC939  Adiantum jordanii H. E. Parks, S. T. Parks 1930-5-9 623 Sonoma Alexander Valley Comment
  CAS-BOT-BC368050  Aegilops triuncialis Greg de Nevers 1989-6-8 9074 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC9073  Aegilops triuncialis Thomas C. Fuller 1960-6-14 4483 Sonoma Roadside near Golf Course, Los Alamos Rd., ca. 6 mi. E/Santa Rosa Comment
  CAS-BOT-BC29574  Agoseris apargioides var. eastwoodiae Doreen Smith 2003-5-22 s.n. Sonoma Bodega Dunes, SE of research facility Comment
  CAS-BOT-BC22788  Agoseris heterophylla G. DeNevers 1981-4-25 829 Sonoma Pepperwood Ranch, lower Pepperwood entrance Comment
  CAS-BOT-BC384608  Agropyron Greg de Nevers 1989-4-1 9067 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  RSA0065936  Agropyron Greg de Nevers 1989-04 9065 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  CAS-BOT-BC176402  Agrostis Peter Rubtzoff 1964-5-20 5308 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC209999  Agrostis Peter Rubtzoff 1977-9-3 9126 Sonoma Perry Marsh. Comment
  CAS-BOT-BC210001  Agrostis Peter Rubtzoff 1977-9-4 9130 Sonoma Cunningham Marsh area. Ca. 1 air mi. WSW of Cunningham Station Comment
  CAS-BOT-BC361409  Agrostis Greg de Nevers 1997-5-8 11993 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. On Oak Hill Ranch burned area 457 Comment
  RSA785752  Agrostis Peter Rubtzoff 1971-6-29 6580 Sonoma Pitkin Marsh, near Forestville Comment
  RSA785753  Agrostis Peter Rubtzoff 1974-5-25 7461 Sonoma Upper Green Valley Marsh. Comment
  UCD164001  Agrostis Peter Rubtzoff 1977-9-4 9130 Sonoma Cunningham Marsh area. Ca. 1 air mi. WSW of Cunningham Station. Comment
  UCD166331  Agrostis Peter Rubtzoff 1968-6-19 5889 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  UCR152276  Agrostis ampla Beecher Crampton 1959-6-16 5391 Sonoma 2 mi east of Occidental, Jonive School Area Comment
  RSA115597  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek Comment
Read comments
Mar 20 2015
  UCD51833  Agrostis blasdalei Beecher Crampton 1971-6-6 8718 Sonoma Sonoma Coast State Park; at Cramet. Comment
  SEINET249772  Agrostis clivicola Beecher Crampton 1957-7-11 4351 Sonoma 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  UCD37160  Agrostis densiflora Beecher Crampton 1957-7-22 4367 Sonoma Sonoma County, Sonoma Coast State Park, 0.3 mile south of Stewart's Point, bluffs above Fisherman's Bay. Comment
  UCD51973  Agrostis densiflora Beecher Crampton 1957-7-11 4350 Sonoma above Blind Beach just south of Goat Rock, Sonoma Coast State Park, 9 miles north of Salmon Creek. Comment
  POM207133  Agrostis exarata A. A. Heller 1902-6-27 5779 Sonoma West of Windsor near Russian river. Comment
  UCD148470  Agrostis exarata Peter Rubtzoff 1964-6-3 5342 Sonoma Bodega Bay Marsh. Comment
  UCD148474  Agrostis exarata Peter Rubtzoff 1964-8-20 5461 Sonoma Americano Creek area, along Petaluma-Valley Ford road near Bloomfield. Comment
  UCD52506  Agrostis exarata Freed W. Hoffman 1941-5-27 2175 Sonoma Lone Mountain Farm, near Guernerville. Comment
  RSA94460  Agrostis exarata Peter Rubtzoff 1951-8-18 622 Sonoma Uppermost part of the western branch of the upper , Sonoma County Comment
  SEINET10790020  Agrostis exarata A. Arthur Heller 1902-6-27 Heller 5779 Sonoma West of Windsor near Russian river. Comment
  SEINET10876389  Agrostis exarata A. Arthur Heller 1902-6-7 Heller 5654 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  SEINET7593636 Image available Agrostis exarata A. S. Hitchcock 1908-1 2722 Sonoma Sherwood Comment
  UC1146695  Agrostis hallii Freed W. Hoffman 1941-6-20 2093 Sonoma near Camp Meeker (Oregon Canyon); North Coast Ranges, Oregon Canyon Comment
  UC76872  Agrostis hallii Michener and Bioletti 1892-7-5 2256 a Sonoma Skaggs Springs Comment
  CAS-BOT-BC139119  Agrostis oregonensis Peter Rubtzoff 1951-6-16 261 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC138914  Agrostis pallens Milo S. Baker 1947-5-30 11774 Sonoma 2 miles northeast of Occidental along Harrison Grade. Comment
  CAS-BOT-BC138923  Agrostis pallens G. DeNevers 1981-5-30 1421 Sonoma Pepperwood Ranch. West facing slope above the Garrison Gate. Comment
  UCD53074  Agrostis pallens Beecher Crampton 1955-6-17 2976 Sonoma 2.4 miles south of Monte Rio. 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
  UCD53211  Agrostis pallens R. Tofsrud 1951-5-1 s.n. Sonoma Summit of road between Kenwood and Oakville. Comment
  UCD53234  Agrostis pallens P. B. Kennedy 1918-5-25 s.n. Sonoma Santa Rosa, Calistoga Road. Comment
  UC790981  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma 5 mi s Steward Point Comment
  UCD53458  Agrostis stolonifera P. B. Kennedy 1917-8-27 s.n. Sonoma Del Mar. Comment
  UCD53490  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Sonoma County coast: 5 miles south of Steward Point. Comment
  UCD53593  Agrostis stolonifera Mary M. Hektner 1974-6-28 80 Sonoma 6 feet north of Breaker Reach, Unit 21 Owners' Map, Sea Ranch, nera State Highway 1. Comment
  UCD53477  Agrostis stolonifera var. maritima P. B. Kennedy 1916-7-17 325 Sonoma Del Mar. Comment
  SEINET10868859  Agrostis tenuis Alan A. Beetle 1941-7-8 Beetle 2855 Sonoma Coast, 5 miles south of Steward Point, coastal bluffs. Assoc. Scirpus cernuus, Lagurus ovatus. Comment
  CAS-BOT-BC47987  Ailanthus altissima Greg de Nevers 1992-6-26 10185 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  CAS-BOT-BC138210  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1960-5-18 4372 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC138215  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1952-6-10 1213 Sonoma Northeast slopes of Fitch Mountain near Healdsburg. Comment
  CAS-BOT-BC138218  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1961-6-17 4624 Sonoma Bennett Mountain Lake. Comment
  RSA128795  Aira elegans P. H. Raven 1950-4-23 1913 Sonoma Open wet grassy meadows, Solve quisty. Comment
  UCD37149  Aira praecox Beecher Crampton 1957-7-11 4327 Sonoma Sonoma County, 0.9 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  CAS-BOT-BC166765  Alisma lanceolatum Peter Rubtzoff 1966-7-4 s.n. Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC445336  Alisma lanceolatum Peter Rubtzoff 1954-7-4 1528 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC445343  Alisma lanceolatum Peter Rubtzoff 1959-9-13 4265 Sonoma Vacation Beach, near (2 mi. below) Guerneville. Comment
  RSA790061  Alisma lanceolatum Peter Rubtzoff 1970-8-18 6303 Sonoma Five miles north of Sears Point. Comment
  SEINET3896060  Alisma lanceolatum Peter Rubtzoff 1954-8-2 1627 Sonoma Austin Creek Marsh.; 0 Comment
  CAS-BOT-BC445464  Alisma triviale Peter Rubtzoff 1961-7-22 4667 Sonoma Bennett Mtn. Lake. Comment
  RSA69760  Alisma triviale F. W. Peirson 1925-8-8 6344 Sonoma 5 miles S of Santa Rosa. Comment
  UCR256119  Allium Greg de Nevers 1993-5-17 10450 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 220 Comment
  CAS-BOT-BC368055  Allium amplectens Greg de Nevers 1998-5-19 11252 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Franz Valley Road 400 Comment
  RSA601311  Allium dichlamydeum David D. Keck, Jens Clausen 1935-6-15 3366 Sonoma 1 mile north of Salmon Creek Comment
  CAS-BOT-BC469103  Allium dichlamydeum David D. Keck; J. Clausen 1935-6-15 3366 Sonoma 1 mile north of Salmon Creek Comment
  UCD150551  Allium dichlamydeum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-1 s.n. Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCSB50251  Allium dichlamydeum Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach, T6N R11W 15 Comment
  UCR256112  Allium vineale Greg de Nevers 1994-6-29 10527 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD166480  Alnus rhombifolia Peter Rubtzoff 1960-9-15 4549 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC169361  Alnus rubra Peter Rubtzoff 1957-4-28 3286 Sonoma Lower Salmon Creek Marsh, along streamlet Comment
  CAS-BOT-BC169370  Alnus rubra Mary P. Wells 1984-8-9 448 Sonoma Public path through golf course to the sea, The Sea Ranch Comment
  CAS-BOT-BC138046  Alopecurus aequalis var. sonomensis John Thomas Howell 1947-6-5 23229 Sonoma Cunningham Marsh. Comment
  UC576308  Alopecurus aequalis var. sonomensis H. S. Yates 1936-5-16 5603 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh 30 Comment
  CAS-BOT-BC138003  Alopecurus geniculatus Peter Rubtzoff 1959-6-6 4090 Sonoma Willow Creek Marsh. Comment
  JEPS68433  Alopecurus saccatus R. Kuhn 1913-4-15 Sonoma Sonoma Comment
  JEPS97562  Alopecurus saccatus R. D. Stone 1985-6-1 675 Sonoma Shiloh Ranch Mark West Springs (2.3 airmiles NE of intersection of Shiloh and Faught rds.; 0.6 airmiles WSW of); valley of sm. tributary in Mark West Creek drainage 259 Comment
  CAS-BOT-BC257987  Amaranthus Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7846 Sonoma Southern area of Kenwood Marsh, ca. 0.5 miles south of Kenwood. Comment
  RSA799979  Amaranthus Peter Rubtzoff 1973-10-10 7345 Sonoma American Creek area, 2 mi west of Bloomfield. Comment
  RSA234560  Amaranthus albus Peter Rubtzoff 1958-8-9 3849 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  POM223643  Amaranthus retroflexus L. S. Rose 1935-9-11 35625 Sonoma 2 mi N of Healdsburg 40 Comment
  POM180627  Amelanchier pallida J. T. Howell 1930-6-8 5287 Sonoma 8.5 miles N of Bodega Bay Comment
  UCD158732  Amelanchier utahensis Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Along Big Sulphur Creek. Ca. 2 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 853 Comment
  CAS-BOT-BC154125  Ammannia coccinea Peter Rubtzoff 1963-9-21 5271 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC137885  Ammophila arenaria John H. Thomas 1976-6-17 18349 Sonoma Near northern end of Sea Ranch, northwestern part of Sonoma county, about 4 miles south of Gualala. Comment
  POM161569  Amorpha californica var. napensis R. C. Bacigalupi 1927-9-3 s.n. Sonoma 2 miles NW of Cazadero on road to Sea View Comment
  CAS-BOT-BC177227  Amorpha californica var. napensis Michener; Bioletti 1893-5-1 s.n. Sonoma Nun's [Canon] Canyon Comment
  UCD104617  Amorpha californica var. napensis J. M. Tucker 1977-6-16 4397 Sonoma On upper Barnes Creek, in southern part of 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). 152 Comment
  CAS-BOT-BC222279  Amsinckia John Thomas Howell 1934-3-25 11775 Sonoma Lakeville Comment
  CAS-BOT-BC222280  Amsinckia John Thomas Howell 1934-3-26 11788 Sonoma Southwestern base of Mt. Hood Comment
  CAS-BOT-BC222285  Amsinckia Alice Eastwood; John Thomas Howell 1934-4-10 1299 Sonoma Cloverdale Grade Comment
  SD60233  Amsinckia spectabilis Roxana S. Ferris 1932-5-27 8257 Sonoma Bodega Bay, Comment
  UC1084538  Amsinckia spectabilis Peter Kamb Ray 1952-5-30 2298 q1 Sonoma Hill 108 between Horseshoe Cove and Mussel Point (n end Bodega Bay); Bodega Head 30 Comment
  CAS-BOT-BC45083  Anaphalis margaritacea Mary P. Wells 1981-7-1 s.n. Sonoma Moonraker Road east of Coast Highway, The Sea Ranch Comment
  RSA129301  Andropogon glomeratus Virginia Bufford 1936-9-10 17228 Sonoma 2 miles S.E. of Forestville. Sevastopol 61 Comment
  CAS-BOT-BC137786  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 estern. Comment
  UC1011021  Andropogon virginicus var. virginicus Virginia Bufford 1935-9-8 77 Sonoma Pitkin's Marsh; Pitkin's Marsh, Vine Hill District Comment
  UCR255042  Anemone oregana Greg de Nevers 1997-2-28 10902 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA177897  Angelica californica R. F. Thorne 1965-4-20 34354 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  UCD126249  Angelica tomentosa Frederica Bowcutt 1997-7-20 2204 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood, 1 air mile S of Red Mountain. Edge of service roade just SW of group campground. Adobe Canyon near trailhead to Meadows Trail. 396 Comment
  UC496379  Anisocarpus madioides Merle Randall 1930-6-7 Sonoma Cazadero Comment
  CAS-BOT-BC271433  Anisocarpus madioides G. DeNevers 1981-5-23 1305 Sonoma In canyon leading to Redwoods from Devils Kitchen Hill, Pepperwood Ranch 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
  CHSC35160  Anthoxanthum odoratum M. E. Banning 1969-5-10 118 Sonoma 8 mi. s of Stewards Point on Highway 1. Comment
  CAS-BOT-BC137694  Anthoxanthum odoratum D. M. Porter; S. H. Porter 1967-3-25 1544 Sonoma Alongside Highway 1 two miles south of Stewarts Point. Comment
  UC978117  Anthriscus caucalis L. Beane and Lois E. James 1949-5-11 1985 Sonoma 3 mi e 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
  CHSC42269  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 329 Sonoma Healdsburg. On E side of Fitch Mt., just S of resort area on E. side. 45 Comment
  JEPS83374  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 329 Sonoma e side Fitch Mt. (just s of resort area on e side, Healdsburg); Healdsburg, Healdsburg Quad. (7.5', 1955) 45 Comment
  UCR44929  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum L. F. LaPre 1986-6-2 s.n. Sonoma Red Slide, serpentine rockslide along upper East Austin Creek, 5 mi north of Cazadero, 3 mi up a private road from Mannings Flats, Austin Creek State Recreation Area 305 Comment
  POM14617  Antirrhinum virga A. A. Heller 1902-6-26 5775 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC237923  Antirrhinum virga Milo S. Baker 1926-1-1 230 a-Local Sonoma Macartney Ranch - Los Gulicos [Guilicos] Val. Comment
  RSA177922  Apiastrum angustifolium R. F. Thorne 1965-4-20 34370 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  POM82406  Apium graveolens Marcus E. Jones 1882-7-17 3604 Sonoma Duncan's Mills. Comment
  CAS-BOT-BC395018  Aquilegia formosa Ella Dales Cantelow 1939-4-10 2601 Sonoma 2.3 mi s. of Stewarts Point Comment
  UCD95528  Aquilegia formosa Frederica Bowcutt 1997-7-19 2194 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.75 air mile S of Red Mountain, 0.5 air miles NNW of confluence of the Malm Fork, 1.0 air miles WSW of Brushy Peaks. 457 Comment
  UCSB40579  Aralia californica Takeda, Brian 1978-5-28 Sonoma 20 miles north of Bodega Bay on Highway 1 in small Redwood Canyon Comment
  CAS-BOT-BC128618  Arbutus menziesii Peter Rubtzoff 1951-8-18 615 Sonoma Uppermost part of the western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  POM77224  Arbutus menziesii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  OBI14777  Arbutus menziesii David Burgess 1957-11-25 10 Sonoma On a Mountain East of Santa Rosa Comment
  SEINET5730634 Image available Arbutus menziesii Janet McIntosh 1966-1 23 Sonoma 2 miles north of Guerneville.; Guerneville 30 Comment
  SEINET7258081  Arbutus menziesii L. Fallon 1939-1-2 s.n. Sonoma 10 miles west of Guerneville Comment
  RSA629225  Arctostaphylos Jon E. Keeley 1993-9-11 24796 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388335  Arctostaphylos Freed W. Hoffman 1947-3-11 822 Sonoma Duvoul Creek North Coast Ranges (a branch of Dutch Bill Creek) Comment
  UC1388323  Arctostaphylos X candidissima Freed W. Hoffman 1947-9-29 505 Sonoma headwaters of creek North Coast Ranges, Main Austin Creek, Layton Mine Comment
  UC1388338  Arctostaphylos X candidissima Freed W. Hoffman 1947-9-29 513 Sonoma headwaters of creek North Coast Ranges, Main Austin Creek, Layton Mine Comment
  HSC7753  Arctostaphylos bakeri Freed W. Hoffman Apr 1948 2753 Sonoma Dutch Bill Creek near Camp Meeker Comment
  UC1388372  Arctostaphylos bakeri Freed W. Hoffman 1948-4-1 2753 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UC1388373  Arctostaphylos bakeri Freed W. Hoffman 1947-3-11 823 Sonoma ne Camp Meeker; North Coast Ranges Comment
  UC909882  Arctostaphylos bakeri J. E. Adams 1935-3-1 1028 Sonoma 2 mi w Occidental Comment
  RSA8489  Arctostaphylos bakeri subsp. bakeri J. T. Howell 1933-4-2 10954 Sonoma 2 miles east of Occidental Comment
  RSA622720  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24758 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA622724  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24767 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  SEINET2028740 Image available Arctostaphylos canescens H. F. Copeland 1933-3-18 A 12 Sonoma Rincon Ridge, north of Santa Rose Comment
  UCD50522  Arctostaphylos canescens Frederica Bowcutt 1966-5-19 2135 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along the ridgeline and on the Napa/Sonoma County line, about 1/2 air miles E of Bald Mtn. Gray Piine Trail. 731 Comment
  UCD51489  Arctostaphylos canescens Beecher Crampton 1960-5-17 5541 Sonoma 4.5 miles east of Glen Ellen; Trinity Road. Comment
  RSA164628  Arctostaphylos canescens subsp. canescens P. C. Everett 1963-11-21 11806 Sonoma Rincon Ridge, Robt. Sones' residence, ca. 3 mi. ne. of Santa Rosa. 145 Comment
  HSC7612  Arctostaphylos canescens subsp. canescens Freed W. Hoffman 1948-5-10 2677 Sonoma E face Cobb Mtn. 1220 Comment
  CAS-BOT-BC23887  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-7-4 13079 Sonoma Rincon Ridge NE of Santa Rosa Comment
  RSA70887  Arctostaphylos canescens subsp. sonomensis J. T. Howell 1937-4-11 12894 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  UCD50536  Arctostaphylos canescens var. sonomensis Walter Knight; Irja Knight 1982-3-9 4497 Sonoma From Tilden Botanic Garden, Berkeley. Originally collected from Montecito Heights, Rincon Ridge, Santa Rosa. Comment
  SEINET11989213  Arctostaphylos canescens var. sonomensis W. Knight, Knight, I. 1982-1 4669 Sonoma Tilden Botanic Garden, Berkeley, originally from Sones property on Rincon Ridge, Montecito Ave near Comment
  CAS-BOT-BC23647  Arctostaphylos columbiana C. Hart Merriam 1925-7-8 s.n. Sonoma Coast mountains near Kachia Rancheria, about 5 miles east of Stewarts Point Comment
  UC549700  Arctostaphylos columbiana J. E. Adams 1934-3-28 732 Sonoma seven mi n Fort Ross Comment
  UCD50671  Arctostaphylos columbiana Roman Gankin; W. R. Hildreth and Ken Milam 1965-4-13 497 Sonoma 0.1 mile north of Timber Cove, east of State Highway 1. Comment
  CAS-BOT-BC25025  Arctostaphylos densiflora John Thomas Howell 1963-11-21 421 Sonoma Vine Hill Rd. ca. 5 mi N past Pitkin Ranch. Comment
  JEPS98816  Arctostaphylos densiflora James Roof and Walter Knight 1967-3-20 Sonoma a few mi W of Santa Rosa (Clark's Driveway, Box 5980 on Guerneville Road, near int. with Laguna Road) Comment
  RSA164632  Arctostaphylos densiflora Percy C. Everett 1963-11-21 24564 Sonoma Vine Hill School Rd., west of Vine Hill School. N of Sebastopol. 76 Comment
  SBBG28862  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma near Vine Hill School House Comment
  UC1093995  Arctostaphylos densiflora Lewis S. Rose 1955-2-28 55003 Sonoma 9 mi w Santa Rosa (type locality); Vine Hill Comment
  UC549452  Arctostaphylos densiflora J. E. Adams 1934-3-28 725 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
  UC725333  Arctostaphylos densiflora A. A. Heller 1942-3-15 16398 Sonoma just w Vine Hill School 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
  SEINET11989142  Arctostaphylos densiflora B. A. Stein 1981-1 444 Sonoma Vine Hill Rd, 0.25 mi N of Vine Hill School Rd 46 Comment
  UCD162188  Arctostaphylos glandulosa D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1523 Sonoma Hooker Creek watershed. 520 Comment
  UCD166542  Arctostaphylos glandulosa Dylan O. Burge 2016-2-16 2043 Sonoma Hooker Creek watershed. 520 Comment
  SEINET11994913  Arctostaphylos glandulosa f. cushingiana W. Knight, Knight, I. 1987-1 6080 Sonoma Devil's Kitchen adjacent to Pepperwood Preserve 244 Comment
  SEINET11998394  Arctostaphylos glandulosa f. cushingiana W. Knight, Knight, I. 1987-1 6080 Sonoma adjacent to Pepperwood Prserve in Devils Kitchen Comment
  CAS-BOT-BC23281  Arctostaphylos glandulosa subsp. cushingiana Walter Knight; Irja Knight 1963-9-1 261 Sonoma Pine Mt. Rd., NE Cloverdale, Harold Smith Ranch. Comment
  CAS-BOT-BC23283  Arctostaphylos glandulosa subsp. cushingiana Milo S. Baker 1928-1-1 2588 b Sonoma Hood Mt., above Brown's cabin Comment
  RSA631196  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24732 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  OBI14676  Arctostaphylos hispidula B. F. Smith 1962-8-3 28 Sonoma 3.5 mi NNW of Occidental 158 Comment
  SEINET11993006  Arctostaphylos hispidula Unknown 1984-1 RR 40044 Sonoma on Rockpile Road ca 9.1 mi N of origin of Skaggs Springs-Stewarts Point Road 503 Comment
  UCD59406  Arctostaphylos hispidula Roger Raiche 1984-1-14 RR 40018 Sonoma Kelly Road (about 5.3 miles northwest from its intersection with Rockpile Road). About 1/4 mile off road between Sonoma Lake and Anapolis 518 Comment
  CAS-BOT-BC38985  Arctostaphylos manzanita Roger Raiche 1983-7-6 30585 B Sonoma In chaparral on serpentinite soil near old mine building, Layton Mine, Austin Creek, The Cedars. Comment
  SEINET3164297  Arctostaphylos manzanita L. S. Rose 1940-2-12 40004 Sonoma Rincon Ridge, 2 mi. e. of Santa Rosa 61 Comment
  SEINET11977790  Arctostaphylos manzanita C. M. Belshaw 1936-1 1576 Sonoma Rincon Ridge, 1.5 mi N of county farm 152 Comment
  SEINET11990976  Arctostaphylos manzanita Unknown 1983-1 30491 H Sonoma near confluence of Thompson Creek & East Austin Creek, East Austin Creek St. Rec. Area 91 Comment
  SEINET11991013  Arctostaphylos manzanita subsp. bakeri W. Knight, Knight, I.; Knight, T. 1983-1 4767 Sonoma intersection of Occidental Rd & Fascindini Lane near Occidental 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-BC38682  Arctostaphylos manzanita subsp. manzanita Catherine Best 1981-2-15 s.n. Sonoma Trinity Mt. Road between Sonoma and Napa Valleys Comment
  CAS-BOT-BC38739  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1963-12-27 470 Sonoma Pine Flat Road Comment
  SBBG83716  Arctostaphylos manzanita subsp. manzanita D. Koutnik, M. Barbercheck 1981-6-18 Sonoma Austin Crk St Recreation Area about 4 mi N of Guerneville. 487 Comment
  UC1043527  Arctostaphylos manzanita subsp. manzanita P. C. Everett and E. K. Balls 1954-10-20 20379 Sonoma off Hwy 12 about 2 mi ne Santa Rosa; Rincon Ridge 137 Comment
  UC549423  Arctostaphylos nummularia J. E. Adams 1934-6-9 832 Sonoma near McNamees Store Comment
  JEPS98851  Arctostaphylos stanfordiana James B. Roof 1963-2-28 Sonoma Mt. St. Helena 868 Comment
  LA42281  Arctostaphylos stanfordiana H. F. Copeland; 1933-3-18 A 6 Sonoma Rincon Ridge, near Santa Rosa Comment
  SD143521  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 11 Sonoma Spring Mountain Road, about 8 mi. E of Santa Rosa Comment
  UCD53848  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 687 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road; 3.1 miles east of junction with State Highway 12. Comment
  CAS-BOT-BC47303  Arctostaphylos stanfordiana subsp. decumbens Walter Knight; Irja Knight; Dr. Steve Edwards 1985-5-19 6051 Sonoma Chapman Branch of Crane Creek nr. Dorman Canyon., s. of Mt. Bradford, nw x w of Healdsburg. 265 Comment
  UCD51008  Arctostaphylos stanfordiana subsp. decumbens Roger Raiche 1982-4-10 20301 C Sonoma King Ridge Rd. (4.5 mi. n. of jct. with Ft. Ross Rd.) about .7 mi. in from King Ridge Rd. on Old Layton Mine Rd. On topo map area is called ' Red Slide', north of Cazadero in Sonoma County. Comment
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Oct 17 2013
  OBI53652  Arctostaphylos stanfordiana subsp. decumbens Jack and Betty Guggolz, Betty Guggolz 1986-2-9 842 Sonoma Taken just outside the conservation easement at the end of Bluesage Court, Southridge development Comment
  SBBG100093  Arctostaphylos stanfordiana subsp. decumbens J. Guggolz, B. Guggolz 1985-6-10 838 Sonoma just outside Conservation Easement at the end of Bluesage Court in Southridge Development Comment
  RSA178044  Arctostaphylos stanfordiana subsp. stanfordiana R. F. Thorne 1965-4-20 34375 Sonoma 4 mi. up Cavedale Rd., ca. 6 mi. N of Sonoma. 457 Comment
  RSA297193  Arctostaphylos stanfordiana subsp. stanfordiana Edward Lee, W. A. Setchell 1936-6-7 2190 Sonoma South ridge fire trail, Bohemian Grove. Comment
  SBBG34139  Arctostaphylos stanfordiana subsp. stanfordiana R. Gankin 1966-3-3 691 Sonoma S of Hooker Cyn at a point directly opposite Cyn from Cavedale Rd, 3.1 mi E of jct with St Hwy 12 Comment
  UC909827  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 740 Sonoma s McNamees Store Comment
  RSA202099  Arctostaphylos viscida Freed W. Hoffman 1947-9-29 513 Sonoma Layton Mine, Austin Creek. Comment
  UC101569  Arctostaphylos viscida subsp. pulchella Alice Eastwood 1900-2-22 Sonoma Mt. St. Helena Comment
  RSA13420  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-18 A- 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa. Comment
  SEINET11845326  Arctotheca calendula W. Knight, Knight, I. 1990-1 6588 Sonoma Petaluma, Lynch Creek Drive Comment
  UCD56480  Aristida oligantha R. Tofsrud 1947-8-1 255 Sonoma near Hicrott. Comment
  SEINET9295356  Aristolochia californica John Nelson, Wnek, R. 2000-3-8 20952 Sonoma Abundantly draped from Umbellularia; S side of River Rd. (=Hwy 116) near Levereau Cr on W side of Guerneville. AC Moore Herbarium (USCH) Univ of S. Carolina Comment
  CAS-BOT-BC400482  Aristolochia californica Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano. (Southwest of Guernewood Park, across the river from Vacation Beach, acc. to map.) [Locality info from collection label and annotation label combined.] Comment
  RSA262356  Armeria maritima subsp. californica Steven Yoder 1969-5-24 29 Sonoma 1 mile N of Bodega Marine Lab. 9 Comment
  UCD98494  Armeria maritima subsp. californica R. H. Miller 1949-4-6 12 Sonoma On coast along Highway 1, about 5 miles south of Jenner. Comment
  CDA31283  Arnica discoidea D. G. Kelch, Ed Biffin 2010-5-3 10 .192-B Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  SEINET10887982  Arrhenatherum elatius P. Rubtzoff 1979-8-5 Rubtzoff 9302 Sonoma Freestone Marsh area; along Bohemian Highway at Freestone Flat Road junction, southeast of Freestone Marsh. Comment
  CAS-BOT-BC172577  Artemisia douglasiana Peter Rubtzoff 1954-9-6 1743 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC90487  Artemisia douglasiana Peter Rubtzoff 1951-9-2 699 Sonoma Southern half of Lower Marsh Comment
  RSA796170  Artemisia douglasiana Peter Rubtzoff 1970-9-3 6371 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC400601  Asarum caudatum Walter Knight; Irja Knight 1963-11-22 427 Sonoma Ida Clayton Rd Comment
  JEPS49956  Asclepias fascicularis W. L. Jepson 1921-9-12 9487 Sonoma Alexander Valley 45 Comment
  POM130171  Asclepias fascicularis A. A. Heller 1902-6-4 s.n. Sonoma Santa Rosa Comment
  JEPS101708  Asclepias solanoana Dean W. Taylor 1997-5-7 15985 Sonoma The Cedars, headwaters Austin Creek 563 Comment
  CAS-BOT-BC478542  Asparagus officinalis Walter Knight; Irja Knight 1963-9-1 152 Sonoma McCray Rd - Cloverdale Comment
  CAS-BOT-BC68781  Aspidotis densa D. E. Breedlove 1980-6-28 44806 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC68783  Aspidotis densa Roxana S. Ferris; Laura Lorraine 1961-6-14 13523 Sonoma Junction of Bittner Road with Joy Road between Occidental and Bodega Comment
  SACT000181  Aspris capillaris M. Wiesendanger 1927-5-5 Sonoma Comment
  CAS-BOT-BC164697  Asteraceae Peter Rubtzoff 1969-5-11 6036 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC180467  Astragalus breweri A. A. Heller; H. E. Brown 1902-4-4 s.n. Sonoma Hills East of Santa Rosa Comment
  UC353936  Astragalus breweri Milo S. Baker 1928-4-18 2975 b Sonoma Hiway 1/2 mi n Occidental; n of Occidental Comment
  UC574627  Astragalus breweri W. H. Brewer 979 Sonoma Fields in Sonoma Valley Comment
  UC71995  Astragalus breweri Milo S. Baker Apr 1898 684 Sonoma Peach Flat Comment
  UCD168059  Astragalus breweri James Neilson 1977-4-24 3885 Sonoma crest of Mayacmas Mountains. (Exact location unknown. Neilson may have been on the south side of Pine Mountain on this date.) Comment
  CAS-BOT-BC186819  Astragalus gambelianus G. DeNevers 1981-4-20 773 Sonoma Pippindale farm. On bench between Studio and the ridge top Comment
  UC903146  Athyrium filix-femina var. cyclosorum Ethel Crum 1930-7-27 828 Sonoma 1 mi n Fort Ross; North Coast Ranges Comment
  CAS-BOT-BC290666  Atriplex Peter Rubtzoff 1958-9-6 3988 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD97622  Atriplex prostrata Mary M. Hektner 1975-8-14 228 Sonoma on Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR248507  Atriplex prostrata Peter Rubtzoff 1958-9-6 3988 Sonoma Laguna de Santa Rosa, east of Sebastopol 20 Comment
  UCD38528  Avena Beecher Crampton 1956-3-13 3227 Sonoma Asti. Comment
  UCR152284  Avena barbata Beecher Crampton 1956-3-13 3227 Sonoma North Coast Range, Asti Comment
  SEINET4342865  Avena barbata V. Longozo 1999-4-19 s.n. Sonoma Bodego Bay Highway Comment
  CAS-BOT-BC154152  Baccharis douglasii Peter Rubtzoff 1955-9-24 2148 Sonoma Duncans Mills 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-BC98648  Baccharis douglasii G. DeNevers 1981-7-11 1746 A Sonoma Pepperwood Ranch - at the big spring at the Skovie Comment
  JEPS40663  Baccharis glutinosa W. L. Jepson 1921-9-12 9481 Sonoma Alexander Valley 45 Comment
  UC727746  Baccharis glutinosa Milo S. Baker 1946-7-28 11539 Sonoma Sear's Point Highway Comment
  CAS-BOT-BC99594  Baccharis pilularis Peter Rubtzoff 1951-11-24 846 Sonoma open area separating the western branch of the Upper Marsh from the eastern; Pitkin Marsh, near Forestville Comment
  UC336247  Baccharis salicifolia subsp. salicifolia H. T. Edwards 1877-5-1 321 Sonoma Knights Valley Comment
  UC34306  Baccharis salicifolia subsp. salicifolia W. C. Blasdale Sonoma Santa Rosa Comment
  CAS-BOT-BC173601  Barbarea Peter Rubtzoff 1989-4-30 9988 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC16696  Barbarea orthoceras Dorothy Scherer 1996-3-25 018 Sonoma West of Highway 1 and south of Kolmer Gulch, Fort Rose State Historic Park. 12 Comment
  UCR255701  Barbarea vulgaris Peter Rubtzoff 1989-6-10 10005 Sonoma Along Russian River, c. 6 miles east of Guerneville, at 9850 River Road 14 Comment
  CAS-BOT-BC145828  Beckmannia syzigachne Hy Edwards 1877-1-1 s.n. Sonoma Knight's Valley. Comment
  CAS-BOT-BC145833  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC145846  Beckmannia syzigachne Peter Rubtzoff 1962-6-13 4914 Sonoma Americano Creek area. Just south of Bloomfield. Comment
  CAS-BOT-BC145874  Beckmannia syzigachne John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  SEINET7596631 Image available Beckmannia syzigachne Mrs. H. P. Bracelin 1930-1 20 Sonoma 1 mi. N of Fort Ross Comment
  UCD56805  Beckmannia syzigachne Lloyd M. Harwood 1972-5-25 s.n. Sonoma Near Petaluma. Comment
  SEINET5223259  Bellis perennis Unknown 1994-4-3 79 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  RSA227209  Berula erecta Peter Rubtzoff 1964-8-26 5475 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 Comment
  CAS-BOT-BC102006  Bidens frondosa W. & I. Knight 1984-8-28 5291 Sonoma Spring Lake, Santa Rosa Comment
  CAS-BOT-BC290576  Bidens laevis Peter Rubtzoff 1961-9-6 4740 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  RSA0019009  Bidens laevis Peter Rubtzoff 1967-9-16 5882 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh. Comment
  SEINET5586468  Bidens laevis Peter Rubtzoff 1963-1 5299 Sonoma Pitkin Marsh, near Forestville. Comment
  SD51682  Blennosperma bakeri M. S. Baker 1946-4-2 11307 Sonoma Western outskirts of Sonoma in hog wallow about 0.25 mile south of Napa Street, in field on east side of street. Comment
  CDA10525  Blennosperma bakeri T. C. Fuller 1977-4-21 20200 Sonoma North of the fence of the Church of Christ, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  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
  UC353927  Blennosperma nanum var. nanum Milo S. Baker 1928-3-24 2617 b Sonoma near, along Pacific Hiway Windsor 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-BC154960  Boisduvalia Peter Rubtzoff; Nancy Harrison 1974-9-7 7861 Sonoma Hinebaugh Creek in Rohnert Park, W of Commerce Blvd. Comment
  CAS-BOT-BC154968  Boisduvalia Peter Rubtzoff 1970-8-19 6328 Sonoma Austin Creek beach, 3.5 miles S of Cazadero Comment
  CAS-BOT-BC154965  Boisduvalia densiflora Peter Rubtzoff 1960-9-14 4544 Sonoma Laguna de Santa Rosa, E of Graton (btwn. Occidental & Guerneville Roads) Comment
  CAS-BOT-BC154971  Boisduvalia densiflora Peter Rubtzoff 1964-7-14 5404 Sonoma Bennett Mtn. Lake. Comment
  SEINET12188875  Boisduvalia densiflora L. S. Rose 1938-1 38252 Sonoma Bloomfield 30 Comment
  CAS-BOT-BC173611  Boisduvalia glabella Peter Rubtzoff 1956-9-14 2875 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC31353  Bolboschoenus robustus Walter Knight; Irja Knight 1984-8-27 5082 Sonoma Gilardi's Resort near Lakeville in tidal area. 3 Comment
  CHSC91605  Boykinia occidentalis G. F. Hrusa; R. Gross, D. Gross 2003-11-11 16200 Sonoma North Coast Biodiversity Arena. Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  UCD102605  Boykinia occidentalis K. Esau 1933-7-7 s.n. Sonoma Near Petrified Forest, Calistoga. Comment
  CAS-BOT-BC145445  Brachypodium distachyon G. DeNevers 1981-5-14 1151 Sonoma Pepperwood Ranch. Small canyon north of Pippindale pond, draw. Comment
  CAS-BOT-BC145448  Brachypodium distachyon John Thomas Howell 1948-4-18 24214 Sonoma Hills east of Agua Caliente. Comment
  UCD56892  Brachypodium pinnatum Dick Heim 1979-1-30 s.n. Sonoma Bodega Dunes State Beach. Comment
  CAS-BOT-BC36708  Brassica rapa Mary P. Wells 1984-5-16 s.n. Sonoma Santa Rosa. Rincon Valley. Friends House grounds. Comment
  CAS-BOT-BC100474  Brickellia californica Greg de Nevers 1987-7-10 8232 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd., Santa Rosa, along Franz Creek 400 Comment
  CSUSB472  Briza maxima L. L. Williams 1971-5-13 Sonoma Collected in North Coastal Sage at junction of road inland with Highway 1, south of Stewarts Point on headland. Comment
  RSA239698  Briza maxima Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1096 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  UCD36535  Briza maxima Beecher Crampton 1954-4-26 1792 Sonoma Sonoma County, 2 miles north Geyserville, along U.S. Highway 101. Comment
  UCD57133  Briza maxima B. Crampton 1954-4-26 1792 Sonoma U. S. Hwy. 101. 2 miles north of Geyserville. Comment
  UCD57155  Briza maxima B. Crampton 1954-4-26 1790 Sonoma Hwy. 128. About 9 miles SE Geyserville. Comment
  SEINET11689512  Briza maxima F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -265 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC145286  Briza minor Peter Rubtzoff 1962-6-13 4900 Sonoma Freestone Marsh. 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
  UC1023569  Briza minor Virginia Bufford 1936-5-1 147 Sonoma w Sebastopol (top of hill); O'Farrell Hill Comment
  UC1130932  Briza minor H. S. Yates 1934-4-21 3824 Sonoma near Duncan's Mill; Duncans Mill Quadrangle Comment
  UC1130933  Briza minor H. S. Yates 1934-4-21 Sonoma near Duncan Mills; Duncan Mills Quadrangle Comment
  CAS-BOT-BC145301  Briza minor Saichi Kawahara 1968-4-20 307 Sonoma 100 yards south of Cannon Lane, off Lakeville Road. 3 Comment
  SEINET3921320  Briza minor Mark Cary 1971-4-22 50 Sonoma Canyon Road, 8.2 miles west of Geyserville.; 0 Comment
  JEPS7662  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-21 7622 Sonoma Windsor Comment
  JEPS86359  Brodiaea elegans subsp. elegans Jack and Betty Guggolz 1988-6-13 948 Sonoma n side Pine Flat Road (7.9 mi from junction Pine Flat Road with Highway 128) Comment
  UC768624  Brodiaea elegans subsp. elegans R. F. Hoover 1938-6-14 3606 Sonoma 2 mi se Healdsburg Comment
  UCD151303  Brodiaea elegans subsp. elegans James A. Neilson Jr. 1974-7-25 3032 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 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
  CAS-BOT-BC486537  Brodiaea elegans subsp. elegans D. E. Breedlove 1980-6-28 44804 Sonoma Pepperwood Ranch west of Knights Valley Comment
  RSA173355  Brodiaea elegans subsp. elegans Walter Knight 1117 Sonoma McDowell Road about 0.5 mile from Casa Grande Road. Comment
  SEINET207371  Brodiaea stellaris Rimo Bacigalupi, G. T. Robbins; F. Hoffmann 1956-5-31 5675 Sonoma Along secondary road following Big Austin Creek at base of 'The Butcher Knife 183 Comment
  CAS-BOT-BC486461  Brodiaea terrestris subsp. terrestris John H. Thomas 1976-6-16 18329 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 milessouth of Gualala. 30 Comment
  CAS-BOT-BC486470  Brodiaea terrestris subsp. terrestris Catherine Best 1983-6-10 s.n. Sonoma Salt Point, on bluff above the ocean Comment
  CAS-BOT-BC486475  Brodiaea terrestris subsp. terrestris H. C. Cantelow 1941-6-7 s.n. Sonoma 4.2 miles west of Jenner Comment
  CAS-BOT-BC487730  Brodiaea terrestris subsp. terrestris John Thomas Howell 1945-5-30 20904 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC149492  Bromus arvensis Greg de Nevers 1987-6-1 8188 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 400 Comment
  SBBG22695  Bromus carinatus M. S. Walters 1960-6-17 Sonoma St Hwy 1, ca.2 mi N of Bodega Bay Comment
  UCD58245  Bromus carinatus G. L. Stebbins Jr.; W. S. Boyle 1942-5-12 3231 Sonoma 2.8 miles north of Occidental. On road to Monte Rio. Comment
  UC909756  Bromus carinatus var. carinatus Milo S. Baker Apr 1950 12160 Sonoma w of Mellita (Montgomery Drive); Montgomery Drive Comment
  UCD161375  Bromus carinatus var. marginatus James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, (Elevation and exact location estimated by label maker.) 731 Comment
  CAS-BOT-BC155656  Bromus diandrus David L. Morgan 1956-6-26 s.n. Sonoma Bank of Austen Creek, 3 miles west of Monte Rio, on State Highway #12. Comment
  CAS-BOT-BC155249  Bromus hordeaceus John H. Thomas 1976-6-16 18341 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UCD66095  Bromus hordeaceus Frederica Bowcutt; Jeff Kennedy (Det.) and Jolie Hendricks 1994-5-1 1751 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; ~11 air miles E of Santa Rosa; ~18 air miles NW of Napa; ~1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along Goodspeed Trail ~1/8 mile from trail head on Adobe Canyon Rd. 213 Comment
  SEINET3923003  Bromus japonicus Fred W. Hoffman 1941-7-5 2079 Sonoma Forestville, CA.; 0 Comment
  CAS-BOT-BC162391  Bromus laevipes G. DeNevers 1981-6-27 1705 Sonoma Pepperwood Ranch. Summit of Franz Valley Road. Comment
  JEPS45824  Bromus laevipes Eleanor Armstrong 1932-5-19 161 Sonoma 1/4 mi w of Occidental 106 Comment
  SBBG22698  Bromus laevipes M. S. Walters 1960-6-12 Sonoma vicinity of Monte Rio on St Hwy 12 Comment
  UCD36697  Bromus laevipes Beecher Crampton 1955-6-17 2977 Sonoma Sonoma County, 2.4 miles south of Monte Rio, road to Camp Meeker. Comment
  SBBG115760  Bromus laevipes B. Crampton 1953-5-19 1296 Sonoma ca. 10 mi W of Calistoga on St Hwy 128 Comment
  UCD151142  Bromus madritensis subsp. rubens James A. Neilson Jr. 1973-6-7 3564 Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  CAS-BOT-BC161701  Bromus rubens A. S. Hitchcock 1902-4-4 5216 Sonoma Hills near Santa Rosa. Comment
  UCD95022  Bromus rubens Freed W. Hoffman 1942-5-3 2249 Sonoma North Coast Ranges. Oregon Canyon near Camp Meeker. Comment
  CAS-BOT-BC185425  Bromus vulgaris K. Wagnon 1939-5-14 197 Sonoma Eastern edge of Wagnon's rock quarry 5 mile west of Sebastopol. Comment
  UCD60250  Bromus vulgaris Beecher Crampton 1955-6-17 2955 Sonoma 5 miles W of Cazadero. Comment
  CAS-BOT-BC36914  Cakile maritima var. maritima Mrs. H. C. Cantelow 1940-4-20 2994 Sonoma North of Bay near mouth of Salmon Creek. Comment
  CAS-BOT-BC352216  Calamagrostis Peter Rubtzoff 1967-8-22 5856 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC185403  Calamagrostis bolanderi Mary P. Wells 1981-8-2 s.n. Sonoma Hedgegate Road, The Sea Ranch. Comment
  UCD37161  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma Sonoma County, Sonoma Coast State Park, 8.7 miles south of Stewart's Point. Comment
  RSA94095  Calamagrostis bolanderi J. T. Howell 1947-6-5 23235 Sonoma Cunningham Marsh Comment
  POM302055  Calamagrostis koelerioides A. A. Beetle 1945-8-4 4012 Sonoma 10 miles N. of Fort Ross Comment
  UCR66615  Calamagrostis koelerioides A. A. Beetle 1945-8-4 4012 Sonoma North Coast, 10 miles north of Fort Ross Comment
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Aug 20 2009
  CAS-BOT-BC185130  Calamagrostis nutkaensis Mary P. Wells 1981-7-2 s.n. Sonoma Up Moonraker Road, east of Highway #1, The Sea Ranch. Comment
  UCD57519  Calamagrostis nutkaensis Beecher Crampton 1957-7-11 4318 Sonoma just south of Salmon Creek, along State Hwy. 1. Comment
  UCD158814  Calandrinia breweri James A. Neilson Jr. 1974-4-17 3487 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  UCR254847  Calandrinia breweri Greg de Nevers 1997-4-24 10970 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC438610  Calandrinia ciliata John H. Thomas 1976-6-15 18281 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC438604  Calandrinia ciliata Peter Rubtzoff 1954-11-18 1765 Sonoma Bodega Bay Marsh. Comment
  JEPS117091  Calandrinia ciliata Peter Warner 2010-4-15 129 Sonoma Jenner Headlands, Sonoma Land Trust property, along primary access road (Willig Ave. Extension), approx. 1 km N of Jenner village, in ultramafic grassland about 25 m E of road. Comment
  CDA7759  Calendula arvensis Plane/S. Thomas 2008-2-26 PDR# 1481678 Sonoma Kenwood, 11011 Sonoma Hwy 0 Comment
  SFV12200  Calendula arvensis W. R. Russell 1967-3-28 s. n. Sonoma Sonoma. At roadside near cemetary at north end of town. Comment
  UCR249037  Callitriche Peter Rubtzoff 1972-6-29 6814 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC293757  Callitriche marginata Peter Rubtzoff 1974-4-17 7370 Sonoma Upper Green Valley Marsh. Comment
  UCR249056  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4604 Sonoma Upper Stemple Creek Marsh 21 Comment
  UCR249066  Callitriche verna Peter Rubtzoff 1969-5-3 6027 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  JEPS128202  Calochortus amabilis Roger Raiche 2000-5-4 066 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS61625  Calochortus amabilis Docia I. Patchett 1917-5-7 Sonoma Cazadero Road near Clark's Crossing Comment
  JEPS61628  Calochortus amabilis Eleanor Armstrong 1932-5-25 513 Sonoma near Mark West Springs (near Calistoga Grade) 152 Comment
  UC13850  Calochortus amabilis W. C. Blasdale Apr 1894 Sonoma Cazadero Comment
  UC72483  Calochortus amabilis Milo S. Baker 1898-4-23 29 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC483273  Calochortus amabilis James L. Reveal 1988-6-1 6972 Sonoma Along Geysers Road, 9.2 miles east-southeawst of U.S. Highway 101, 1 mile southeast of West Squaw Creek Road and 4.2 miles northwest of the turnoff to Geysers Resort, about 13 miles east of Cloverdale 320 Comment
  SEINET12051460  Calochortus amabilis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -249 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SEINET6879027  Calochortus amabilis W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 7.8 miles south-southeast of Annapolis. Comment
  UC119757  Calochortus luteus Michener and Bioletti May 1893 Sonoma Los Guilicos Comment
  SD254491  Calochortus uniflorus Ann Howald, Christina Freeman 2015-4-13 3340 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, south shore, ca. 300 feet north of intersection Pig Flat and Marsh trails. 363 Comment
  JEPS20239  Calycadenia multiglandulosa R. F. Hoover 1938-6-14 3610 Sonoma 3 mi w of, on road to Occidental Graton Comment
  UCSC000752  Calycadenia multiglandulosa C. M. Hoak 2008-7-31 s.n. Sonoma Monte Rio Comment
  CAS-BOT-BC270849  Calycadenia pauciflora 1877-6-26 s.n. Sonoma Geysers Comment
  RSA255609  Calycadenia pauciflora Gerald D. Carr 1972-9-11 731 Sonoma 1 mile west of Westside Road on Mill Creek Road, 2.5 miles SW of Healdsburg 107 Comment
  UCD129847  Calycadenia pauciflora Gerald D. Carr 1972-9-11 731 Sonoma 1.0 mile west of Westside Road on Mill Creek Road, 2.5 miles southwest of Healdsburg. 106 Comment
  CAS-BOT-BC90991  Calycanthus occidentalis Peter Rubtzoff 1971-9-3 6698 Sonoma Along southeastern border of Spring Creek Reservoir area. Comment
  CAS-BOT-BC91008  Calycanthus occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-15 13554 Sonoma Green Valley Road 0.8 mile east of junction with Harrison Grade Road. Comment
  RSA178025  Calycanthus occidentalis R. F. Thorne 1965-4-19 34315 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  UC635500  Calycanthus occidentalis H. L. Mason 1934-4-28 8067 Sonoma head of Dohrman Creek Dohrman Creek (Jensen Ranch) Comment
  UC72737  Calycanthus occidentalis Miss M. Alice King Jun 1897 Sonoma near Healdsburg Comment
  UCSB23042  Calycanthus occidentalis McMinn, Howard 1922-6-7 Sonoma Near Monte Rio, by stream Comment
  CAS-BOT-BC91017  Calycanthus occidentalis W. W. Carruth 1899-7-1 s.n. Sonoma Russian River. Comment
  UC1745704  Calycanthus occidentalis Annetta M. Carter, Kathryn Thornburg, Florence Little 1938-5-30 Sonoma Cloverdale Grade Comment
  HSC16569  Calypso bulbosa F. Demostene 1966-4-11 41 Sonoma 25 mi. W of Healdsburg Comment
  POM320595  Calypso bulbosa Lynne Hayden 1970-4-4 67 Sonoma Armstrong Redwood State Park Russian River, Rich loam, Redwood forest 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
  SD225766  Calystegia purpurata subsp. saxicola R. K. Brummitt 1997-6-10 19682 Sonoma 1 km S of Sereno Del Mar, just S of Schoolhouse Beach; on to of small sea headland by path down to beach 14 Comment
  SDSU5665  Calystegia purpurata subsp. saxicola D. F. Howe 1969-5-28 4011 Sonoma 13.5 miles north of Jenner on #1. Comment
  UC140324  Calystegia subacaulis subsp. subacaulis J. W. Congdon 1880-6-13 Sonoma Petaluma. Comment
  UC879463  Calystegia subacaulis subsp. subacaulis Lewis S. Rose 1941-5-22 41251 Sonoma Rincon Ridge, 4 mi E of Santa Rosa. Comment
  JEPS81953  Campanula californica Rimo Bacigalupi 1967-8-30 9312 Sonoma se of Forestville (near e end of Templeman Road); Pitkin Marsh 45 Comment
  CAS-BOT-BC266417  Campanula californica Mary P. Wells 1984-8-8 430 Sonoma Deer Trail, The Sea Ranch Comment
  SEINET10905990  Campanula californica Wolf 1927-9-2 WOLF 1355 Sonoma 1 mile south of the Gualala River on coast road Comment
  UC34817  Campanula prenanthoides W. C. Blasdale 1896-7-18 Sonoma Cozadero Comment
  UCR23658  Campanula prenanthoides John C. Roos 1957-7-2 s.n. Sonoma Miller Ridge Comment
  SEINET10972386  Campanula prenanthoides Condit 1908-8-13 CONDIT s.n. Sonoma GUERNEVILLE Comment
  RSA786866  Capsella bursa-pastoris Carrie A. Herd 1982-3-14 19 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  UCD114128  Capsella bursa-pastoris Mary M. Hektner 1975-6-24 212 Sonoma in the University of California, Davis experimental competition plots next to the Sea Ranch Association Office; Unit 18-A Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC37752  Cardamine californica R. H. Thompson 1880-4-1 s.n. Sonoma Near Healdsburg. Comment
  UC1199186  Cardamine californica Joseph P. Tracy 1949-3-13 18270 Sonoma w Knights Valley (Mayacamas Creek); , w of Knights Valley 152 Comment
  UC72915  Cardamine californica Milo S. Baker 1898-4-3 Sonoma roadside between Guerneville and Cazadero; btwn Guerneville and Cazadero Comment
  RSA128603  Cardamine californica var. integrifolia P. H. Raven 1950-4-6 1558 Sonoma Cotati to Santa Rosa. 46 Comment
  RSA63681  Cardamine californica var. integrifolia Milo S. Baker 1950-4-1 12155 Sonoma West side of Los Guilicos Val[ley] near old R.R. tracks. Comment
  JEPS35786  Cardamine oligosperma Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8927 Sonoma just off Arnold Drive at its junction with Fowler Creek Road (Sonoma Valley); Sonoma Valley 35 Comment
  CAS-BOT-BC38031  Cardamine oligosperma Peter Rubtzoff 1959-6-20 4160 Sonoma Willow Creek Marsh. Bank of Willow Creek. Comment
  JEPS128332  Cardamine pachystigma var. dissectifolia Roger Raiche 2010-3-28 012 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC173680  Carduus Peter Rubtzoff 1960-5-15 4327 Sonoma Fife Creek Marsh. Comment
  UCD148424  Carduus Peter Rubtzoff 1960-5-15 4327 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC281764  Carduus pycnocephalus John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54683 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC281765  Carduus pycnocephalus John H. Thomas 1966-5-8 11599 Sonoma 1.4 miles W of Napa - Sonoma county line. Along road between Calistoga and Santa Rosa Comment
  CAS-BOT-BC281768  Carduus pycnocephalus Peter Rubtzoff 1951-7-21 480 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh, near the highway Comment
  CAS-BOT-BC281771  Carduus pycnocephalus Roxana S. Ferris; Laura Lorraine 1948-6-9 11658 Sonoma Franz Valley Rd about 0.75 mile from Mark West Rd Comment
  RSA47615  Carduus pycnocephalus Roxana S. Ferris, Laura Lorraine 1948-6-9 11658 Sonoma Franz Valley Road ca. 3/4 mi. from Mark West Road Comment
  CAS-BOT-BC281795  Carduus tenuiflorus Catherine Best 1994-5-1 s.n. Sonoma Bodega Head Comment
  UC963926  Carex Milo S. Baker 1947-6-26 11830 Sonoma ca. 1 mi (airline) sw Cunningham Station (Cunningham Marsh) Comment
  CAS-BOT-BC344826  Carex abrupta Peter Rubtzoff 1960-5-18 4392 Sonoma Bodega Head Marsh. Comment
  JEPS86341  Carex albida Jack and Betty Guggolz 1988-5-14 935 Sonoma n side of Pitkin Creek about 50 meters in from Hwy. 116; Rancho Molinos, Pitkin Creek Comment
  CAS-BOT-BC18144  Carex athrostachya Peter Rubtzoff 1958-7-5 3743 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC329311  Carex barbarae Peter Rubtzoff 1976-5-30 8577 Sonoma Kenwood Marsh. Comment
  RSA295078  Carex barbarae Robert A. Norris, John L. Inase, Allen Nakagawa 1981-6-27 4209 Sonoma Trenton Rd., by the Boriolo Ranch, just S of and paralleling River Rd., approx. halfway between Guerneville and Santa Rosa. (Near N part of Laguna de Santa Rosa). 15 Comment
  JEPS117110  Carex bolanderi Peter Warner 2010-7-8 171 Sonoma Jenner Headlands, along main road across property, ~ 4.1 km, W 322 deg. N of Duncans Mills Comment
  CAS-BOT-BC18984  Carex densa Peter Rubtzoff 1960-5-15 4337 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC20488  Carex densa G. DeNevers 1981-6-15 1549 Sonoma Pepperwood Ranch. At Rogers Apple Orchard. Comment
  UC767036  Carex densa R. F. Hoover 1939-4-18 4049 Sonoma Los Guilicos Valley Comment
  UCD112360  Carex densa Peter Rubtzoff 1954-6-7 1488 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC20241  Carex densa Peter Rubtzoff 1968-6-25 5901 Sonoma Lichau Marsh. Comment
  CAS-BOT-BC20507  Carex densa Peter Rubtzoff 1958-4-26 3604 Sonoma Sonoma County Marshes. Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC20518  Carex densa John Thomas Howell 1943-5-10 17991 Sonoma 1.75 mile N of Windsor. Comment
  CAS-BOT-BC19897  Carex echinata subsp. phyllomanica John Thomas Howell 1945-5-30 20892 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC329292  Carex exsiccata Peter Rubtzoff 1954-8-2 1622 Sonoma Duncans Mills Marsh, upper portion of the marsh. Comment
  UCR250036  Carex exsiccata Peter Rubtzoff 1955-9-9 2115 Sonoma Bodega Head Marsh 2 Comment
  RSA0020330  Carex exsiccata Peter Rubtzoff 1959-4-18 4024 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 0.5 mi north of Guerneville Road crossing. Comment
  UC1147821  Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh Comment
  UC727688  Carex feta Milo S. Baker 1946-5-13 11391 Sonoma s end of Pitkin Marsh Vine Hill Region Comment
  CAS-BOT-BC20452  Carex globosa John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54676 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek. 137 Comment
  UCD140352  Carex globosa Roxana S. Ferris; Laura Lorraine 1961-6-15 13556 Sonoma Green Valley Road 0.8 mi. E of junction with Harrison Grade Road. Comment
  UCD112364  Carex gracilior Peter Rubtzoff 1955-4-30 1808 Sonoma Forestville Marsh. Comment
  UCD112446  Carex gracilior Peter Rubtzoff 1959-4-18 4034 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 0.5 mi. north of Guerneville Road crossing. Comment
  CAS-BOT-BC331477  Carex gynodynama Peter Rubtzoff 1964-5-20 5317 Sonoma Brooks Gulch Marsh. Comment
  RSA0022387  Carex gynodynama Peter Rubtzoff 1962-5-11 4829 Sonoma Sonoma County: Freestone marsh Comment
  JEPS117132  Carex hassei Peter Warner, Kara Doolin, Anthony Nelson 2010-6-28 168 Sonoma Lower Pitkin Marsh, ~ 63 m, N 49 deg. E of gate at Hwy. 116, just N of interior fence Comment
  SEINET10551416 Image available Carex lacunarum A. Arthur Heller 1902-7-1 Heller 5797 Sonoma Lagoon at Sebastopol. Comment
  CAS-BOT-BC311821  Carex lasiocarpa Peter Rubtzoff 1962-4-11 4795 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC31181  Carex lemmonii Peter Rubtzoff 1951-6-16 256 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC322116  Carex leptopoda Peter Rubtzoff 1955-5-14 1841 Sonoma Austin Creek Marsh. Comment
  UCD140482  Carex leptopoda Roxana S. Ferris; Laura Lorraine 1961-6-14 13539 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway. Comment
  CAS-BOT-BC32192  Carex multicaulis D. E. Breedlove 1983-4-11 58672 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  UC1508  Carex nudata H. N. Bolander Apr 1864 3812 Sonoma Mark West Creek Comment
  UCD140690  Carex nudata Beecher Crampton 1956-4-24 3311 Sonoma 7.5 miles northwest of Calistoga. Comment
  CAS-BOT-BC119312  Carex obnupta Catherine Best 1981-6-5 s.n. Sonoma Ca 5 mi E of Stewart's Point on Stewart's Point Skaggs Creek Rd. Comment
  UC1100482  Carex obnupta Malcolm A. Nobs and S. Galen Smith 1949-8-1 1111 Sonoma 2 mi e Stewart's Point (on road to Geyserville) Comment
  RSA0025196  Carex obnupta Peter Rubtzoff 1958-4-26 3585 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC119278  Carex ovalis Peter Rubtzoff 1951-6-17 265 Sonoma Pitkin Marsh, near Forestville. Eastern Branch of the Upper Marsh. Comment
  RSA201424  Carex ovalis J. T. Howell 1947-6-5 23240 Sonoma Cunningham Marsh Comment
  RSA758133  Carex ovalis Peter Rubtzoff 1958-5-10 3638 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road) Comment
  RSA94274  Carex ovalis Peter Rubtzoff 1952-5-31 1090 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the upper marsh. Comment
  JEPS117098  Carex pachystachya Peter Warner 2010-7-7 170 Sonoma Jenner Headlands, Middle Pasture, ~ 565 m, S 223 deg W of residence house Comment
  CAS-BOT-BC118938  Carex pellita Peter Rubtzoff 1952-5-21 1059 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh. Comment
  CAS-BOT-BC118942  Carex pellita John Thomas Howell; J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  UC826685  Carex pellita John Thomas Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  RSA0023071  Carex pellita Peter Rubtzoff 1962-5-11 4820 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UCD161858  Carex serratodens James A. Neilson Jr. 1975-7-8 3406 Sonoma Mayacmas Mountains. Socrates Mine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA0023072  Carex serratodens Peter Rubtzoff 1962-6-19 4933 Sonoma Occidental Marsh. Comment
  RSA758132  Carex subbracteata Peter Rubtzoff 1958-4-26 3605 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  SEINET10847110  Carex subbracteata Lewis S. Rose 1939-5-14 Rose 39116 Sonoma Bodega. Wet fields. 30 Comment
  SEINET7577061 Image available Carex subbracteata Lewis S. Rose 1964-6-3 64052 Sonoma N end of Bodega Bay. 2 Comment
  CAS-BOT-BC115832  Carex subfusca Peter Rubtzoff 1959-4-18 4034 Sonoma Laguna de Santa Rosa NE of Graton, ca. 0.5 mi N of Guerneville Road crossing. Comment
  RSA0035352  Carex tumulicola Peter Rubtzoff 1959-4-18 4035 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 0.5 miles north of Guerneville Road crossing. Comment
  UCR248869  Carex tumulicola Peter Rubtzoff 1960-5-16 4345 Sonoma Duncan Mills Marsh 2 Comment
  CDA33583  Carthamus lanatus Robin Breckenridge & Andrew Smith 2010-7-21 PDR# 1313484 Sonoma Calistoga: La Franchi Ranch, Highway 128. 0 Comment
  CAS-BOT-BC281914  Carthamus lanatus Peter Rubtzoff 1969-7-5 6110 Sonoma Ca 5 miles NE of Penngrove, on Lichen Rd Comment
  CAS-BOT-BC281915  Carthamus lanatus John Thomas Howell 1967-6-17 42597 Sonoma Confluence of Galloway and Dry creeks, Arthur E. Cooley Ranch 182 Comment
  CDA36976  Carthamus leucocaulos J. H. Shelgren 1976-5-7 16 Sonoma Vicinity of Asti. 0 Comment
  UCR18581  Carthamus tinctorius John C. Roos, L. Roos 1959-9-2 6599 Sonoma North Coast Ranges, Healdsburg, Healdsburg dump Comment
  CAS-BOT-BC320502  Caryophyllaceae Peter Rubtzoff; Nancy Harrison 1974-7-13 7676 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC249238  Castilleja affinis A. A. Heller; H. E. Brown 1902-4-2 5200 Sonoma Hills Northeast of Santa Rosa Comment
  JEPS35585  Castilleja affinis subsp. affinis L. R. Heckard 1964-6-11 1369 Sonoma 1.5 mi ne Michele Way (along Mark West Springs road, 4.3 mi n of Old Redwood Highway, n of Santa Rosa) Comment
  UC726108  Castilleja ambigua subsp. ambigua A. A. Heller 1940-6-12 15722 Sonoma w of Two Rocks Comment
  UCD122118  Castilleja ambigua subsp. ambigua Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-6-19 35 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SBBG68587  Castilleja densiflora subsp. densiflora H. E. and S. T. Parks 1930-5-7 632 Sonoma N end of Knight's Valley 106 Comment
  UC27168  Castilleja densiflora subsp. densiflora H. N. Bolander 1864-1 3851 Sonoma Mark West Comment
  UC27170  Castilleja densiflora subsp. densiflora Harley P. Chandler 1900-5-25 706 Sonoma Bodega Bay Comment
  HSC82079  Castilleja exserta subsp. exserta Thomas W. Nelson, Jane P. Nelson 1980-5-3 5126 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  UCD161868  Castilleja foliolosa James A. Neilson Jr. 1981-3-13 3999 Sonoma Mayacmas Mountains; Hummingbird Creek. (Coordinates, location, and elevation estimated by label maker.) Comment
  CAS-BOT-BC243856  Castilleja latifolia John Thomas Howell 1934-3-3 11735 Sonoma Bodega Bay Comment
  SEINET10582744  Castilleja latifolia Jon Ricketson, Deanna Vanderbur 1985-7-3 Ricketson 2620 Sonoma Fort Ross State Park, along State Highwa 1, between Fort Ross and Jenner above Pacific Ocean. 50 miles northwest of San Francisco. 30 Comment
  JEPS15179  Castilleja rubicundula subsp. lithospermoides H. S. Yates 1934-4-22 3840 Sonoma near Burke; Calistoga Quad. 60 Comment
  CHSC1708  Castilleja subinclusa subsp. franciscana 1947-3-31 Sonoma Bodega. 60 Comment
  UC353922  Castilleja subinclusa subsp. franciscana Milo S. Baker 1928-3-24 2721 a Sonoma 5 mi w Healdsburg (Martin Ranch) Comment
  UCD123033  Castilleja subinclusa subsp. franciscana Terri Williamson 1990-5-20 56 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  UC1191869  Castilleja uliginosa Herbert L. Mason 1946-7-4 12892 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  JEPS60457  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-30 6696 Sonoma about 1 mi s Stewart's Point Comment
  UC190979  Castilleja wightii Katharine Brandegee Jul 1905 Sonoma Bodega Comment
  SBBG6848  Castilleja wightii H. and M. Dearing 1929-5-14 3348 Sonoma rd to coast, Russian River Comment
  CAS-BOT-BC39436  Caulanthus lasiophyllus John Thomas Howell 1930-6-8 5283 Sonoma 8.5 miles north of the Bodega Bay. Overlooking the ocean. Comment
  UC1071521  Ceanothus A. E. Wieslander 1939-3-18 873 Sonoma head of Hooker Canyon Sonoma Quad. Comment
  UCD168053  Ceanothus James Neilson 1978-6-9 3963 Sonoma Mayacmas Mountains, Shell Well Site E. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  JEPS85897  Ceanothus confusus Jack and Betty Guggolz 1991-5-4 Sonoma found at several locations along the fire-break up the S side of Bradford Mountain, about a mile W of the Dry Creek Road 323 Comment
  RSA77694  Ceanothus confusus J. T. Howell 1937-4-11 12897 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  UC1281312  Ceanothus confusus H. E. McMinn 1944-11-5 5451 Sonoma Rincon Ridge, olive orchard Comment
  UC1281313  Ceanothus confusus H. E. McMinn 1941-4-27 5322 Sonoma Rincon Ridge Comment
  UC480609  Ceanothus confusus Carl Meyer 1928-3-3 306 Sonoma Santa Rosa Comment
  OBI10271  Ceanothus confusus H. E. McMinn 1944-11-5 5451 Sonoma From Olive orchard, Rincon Ridge Comment
  CAS-BOT-BC49198  Ceanothus cuneatus Walter Knight; Irja Knight 1963-8-23 190 Sonoma Joost Ranch, Calistoga Rd. Comment
  RSA3948  Ceanothus cuneatus I. L. Wiggins 1932-3-12 5766 Sonoma Between Franz Valley and Knight's Valley. Comment
  CAS-BOT-BC49696  Ceanothus cuneatus var. ramulosus D. E. Breedlove 1980-6-27 44774 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC49699  Ceanothus cuneatus var. ramulosus Walter Knight; Cliff Schmidt 1987-2-27 6056 Sonoma Cavedale Road 274 Comment
  JEPS128184  Ceanothus cuneatus var. ramulosus Roger Raiche 2001-3-17 006 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA177972  Ceanothus divergens subsp. confusus Robert F. Thorne 1965-4-20 34348 Sonoma Top of Parker Hill (N end of Parker Hill Rd.) ca. 3 mi. No. of Santa Rosa. 244 Comment
  CAS-BOT-BC64355  Ceanothus foliosus Peter Rubtzoff 1953-5-17 1398 Sonoma Forested hills s. of Guerneville. Comment
  UC18328  Ceanothus foliosus F. T. Bioletti 1892-1 Sonoma Comment
  CAS-BOT-BC64419  Ceanothus foliosus subsp. vineatus John Thomas Howell 1941-4-5 16173 Sonoma Raven Ridge. Comment
  RSA107848  Ceanothus foliosus var. vineatus L. S. Rose 1955-6-2 s.n. Sonoma Junction of Vine Hill and School Roads, 10 miles west of Santa Rosa. 46 Comment
  RSA164633  Ceanothus foliosus var. vineatus Percy C. Everett 1963-11-21 24563 Sonoma Vine Hill School Rd., west of Vine Hill School. N of Sebastopol. 76 Comment
  CAS-BOT-BC50012  Ceanothus gloriosus Milo S. Baker 1935-4-1 8031 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49944  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6692 Sonoma Two miles north of Sebastopol Comment
  LA43584  Ceanothus gloriosus var. exaltatus Henry Reents; 1936-5-2 sn Sonoma 0.5 mi. past slough, on rd. to Rio Nido Comment
  CAS-BOT-BC63736  Ceanothus griseus A. A. Heller 1903-4-23 6606 Sonoma Fort Ross. Comment
  CAS-BOT-BC63739  Ceanothus griseus Alisa S. M. McKenzie 1981-1-31 11 Sonoma Kolmer Gulch, calif. State highway 1 at marker 34. Top of bank w. side of creek, n. side of road. Comment
  UC635512  Ceanothus griseus H. L. Mason 1928-4-8 4295 Sonoma coast two miles N of Fort Ross Comment
  UC486493  Ceanothus incanus H. E. and S. T. Parks 1939-5-10 841 Sonoma Knights Valley Comment
  UC73359  Ceanothus incanus Milo S. Baker 1898-6-11 649 Sonoma Little Sulphar Creek Comment
  CAS-BOT-BC50720  Ceanothus integerrimus var. macrothyrsus Helen D. Geis 1902-1-1 s.n. Sonoma unspecified Comment
  UCD112055  Ceanothus jepsonii J. Adams; J. Weick 1993-5-8 269 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
  CDA9346  Ceanothus jepsonii subsp. jepsonii D. G. Kelch 2006-6-24 6 .325 Sonoma On serpentine along Harrison Grade. Comment
  CAS-BOT-BC51130  Ceanothus jepsonii var. albiflorus Roger Raiche 1985-4-6 RR 50182 Sonoma Dry Cr area nr Healdsburg, ridge W of Dry Cr Val, unnamed rd N of Dorman Cyn on ridge 243 Comment
  SEINET12211130  Ceanothus jepsonii var. albiflorus Unknown 1985-1 50182 Sonoma Dry Cr. area nr Healdsburg, ridge W of Dry Cr Valley, unnamed road n of Dorman Cyn 244 Comment
  SEINET12211280  Ceanothus jepsonii var. albiflorus W. Knight, Schmidt, C. 1987-1 6060 Sonoma Bradford Mt. Road near Dorman Campon, W of Healdsburg 168 Comment
  CAS-BOT-BC51892  Ceanothus parryi A. A. Heller; H. E. Brown 1902-4-22 5337 Sonoma Between Santa Rosa and Agua Caliente Comment
  UC73362  Ceanothus parryi Milo S. Baker 1898-4-23 28 Sonoma Santa Rosa Creek Canyon Comment
  UC750534  Ceanothus parryi Lewis S. Rose 1947-5-9 47134 Sonoma Occidental 152 Comment
  UCD36684  Ceanothus parryi Beecher Crampton 1955-6-17 2933 Sonoma Sonoma County, 3.3 miles west of Forestville, along State Highway 12. Comment
  UC1614462  Ceanothus purpureus Charles M. Belshaw 1936-3-8 1582 Sonoma 3/4 mi. n. Annadel (n.w. of Kenwood) 144 Comment
  CAS-BOT-BC53045  Ceanothus sonomensis J. Clausen 1933-3-25 724 Sonoma About 4 miles east of Warfield on road to Oakville, near the summit of the Youngman Ranch. 213 Comment
  UC1010755  Ceanothus sonomensis Peter H. Raven 1954-2-27 6428 Sonoma Hoods Peak Range, mountain side on N side of Hooker Creek. 609 Comment
  UC1614463  Ceanothus sonomensis Charles M. Belshaw 1936-3-8 1581 Sonoma 3/4 mi. n. Annadel (n.w. of Kenwood) 144 Comment
  UCD112699  Ceanothus sonomensis Jennifer Bury; Peggy Herzog 1993-5-8 264 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 381 Comment
  UCD123864  Ceanothus sonomensis D. O. Burge 2007-4-26 895 e Sonoma Mayacamas Mountains, head of Hooker Canyon, roadside on Cavedale Road, 4.0 road miles (6.4 km) east of SR 12, 4.90 km 85 deg. (True) ENE of Glen Ellen. This site is the property of residents at 3890 Cavedale Road. 560 Comment
  SEINET12210980  Ceanothus sonomensis W. Knight, Knight, I.; Howell, J. T. 1984-1 5076 Sonoma Cavedale Road., near Macnab cypresses 640 Comment
  CAS-BOT-BC52418  Ceanothus velutinus var. velutinus Fred Klein 1969-9-8 s.n. Sonoma Seaview Road 152 Comment
  CAS-BOT-BC277019  Centaurea iberica Greg de Nevers 1992-6-16 10167 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  CDA20599  Centaurea maculosa S. Ostrom 2005-10-2 PDR 1351698 Sonoma North Coast; Hwy 101 S center divide at College Ave exit. 0 Comment
  CDA23055  Centaurea melitensis D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .269 Sonoma Cavedale Rd. Comment
  JEPS44152  Centaurea melitensis M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma between Gurneville and Monte Rio Gurneville; Russian River Comment
  CAS-BOT-BC277156  Centaurea melitensis G. DeNevers 1981-6-6 1459 Sonoma Pepperwood Ranch Comment
  JEPS20839  Centaurium trichanthum Harry K. Roberts 1958-7-8 Sonoma 0.3 mi w starting at the junction of the Sebastopol and Occidental rd (toward Sebastopol, on the lower half of the borrow pit on the s side of the Sebastopol-Santa Rosa highway) Comment
  UCD166220  Centromadia pungens subsp. pungens Peter Rubtzoff 1970-5-30 6252 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC251310  Cerastium Peter Rubtzoff 1960-6-5 s.n. Sonoma Laguna de Santa Rosa, northeast of Graton, near Laguna Road Comment
  UCD166484  Cerastium Peter Rubtzoff 1964-5-20 5315 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC400222  Ceratophyllum demersum Greg de Nevers 1991-8-8 9769 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In largest Double Pond 475 Comment
  SD134007  Ceratophyllum demersum Peter Rubtzoff 1962-10-23 5123 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville roads. Comment
  UC15102 Image available Cercis occidentalis H. N. Bolander 1864-1 3946 Sonoma The Geysers Comment
  UCD105656  Cercis occidentalis S. M. Smuckler 1995-6-3 12 Sonoma Highway 128, 1 mile west of Monticello Dam, 50 m from Lake Berryessa. 200 Comment
  CAS-BOT-BC434183  Cercocarpus betuloides Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5393 Sonoma Pine Mt. Road Comment
  CAS-BOT-BC135420  Cercocarpus betuloides var. betuloides J. Clausen 1933-3-25 734 Sonoma Santa Rosa Creek/Canyon, on south exposed slopes. 182 Comment
  UC518989  Cercocarpus betuloides var. betuloides J. Clausen 1933-3-25 734 Sonoma Santa Rosa Creek Canyon 182 Comment
  HSC18566  Cercocarpus montanus var. glaber R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1347 Sonoma 10 mi. W of Big Geysers along Sulphur Creek Comment
  UCD137339  Cheilanthes intertexta Frederica Bowcutt 1994-6-24 1897 b Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/2 way from Bald Mountain Trail to Headwaters Trail. 566 Comment
  CAS-BOT-BC166798  Chenopodium Peter Rubtzoff 1971-8-9 6638 Sonoma Laguna, Chileno Valley. Comment
  UC116485  Chenopodium botrys T. S. Brandegee July, 1885 Sonoma Cloverdale Comment
  SEINET3992037  Chlorogalum pomeridianum Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15089 Sonoma In chaparral, 2 miles North of Geyserville Comment
  JEPS128347  Chlorogalum pomeridianum var. pomeridianum Roger Raiche 2000-5-28 118 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this is not the name on USGS topo sheets). Gualala River, Wheatfield Fork watershed. Comment
  RSA143967  Chlorogalum pomeridianum var. pomeridianum Roxana S. Ferris, Laura Lorraine 1961-6-14 13527 Sonoma Junction of Bittner Rd. with Joy Rd. between Occidental and Bodega. Comment
  RSA227212  Chlorogalum pomeridianum var. pomeridianum Peter Rubtzoff 1958-7-19 3765 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  LA206575  Chorizanthe cuspidata var. cuspidata John Thomas Howell; 1930-6-8 5217 Sonoma N end of Bodega Bay Comment
Read comments
Feb 25 2015
  CAS-BOT-BC191509  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-8-6 62077 Sonoma Bodega Point 30 Comment
  CAS-BOT-BC257026  Chorizanthe membranacea Milo S. Baker 1926-1-1 236 a-Local Sonoma Side canyon above Ken. Sps. [Kenwood Springs] Comment
  UCR255051  Chorizanthe polygonoides var. polygonoides Greg de Nevers 1993-4-27 10410 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  UC1119746  Cichorium intybus H. S. Yates 1935-10-3 5345 Sonoma Santa Rosa Santa Rosa Quadrangle Comment
  CAS-BOT-BC280001  Cirsium douglasii var. douglasii Alice Eastwood 1915-6-29 4887 Sonoma Bodega Point Comment
  OBI16748  Cirsium douglasii var. douglasii Robert F. Hoover 1966-7-17 9914 Sonoma Sausal Crk N of Alexander Valley Comment
  SEINET11842966  Cirsium occidentale var. coulteri F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -197 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 830 Comment
  UCD158724  Cirsium occidentale var. venustum Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 1.5 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. Elevation estimated by label maker. 822 Comment
  UCD160912  Cirsium occidentale var. venustum James A. Neilson Jr. 1975-7-8 3417 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  CAS-BOT-BC280366  Cirsium occidentale var. venustum Walter Knight; Irja Knight 1967-7-24 1966 Sonoma Between Santa Rosa and St. Helena on St. Helena Road about 2 miles from Napa County line Comment
  UC480934  Cirsium occidentale var. venustum H. P. Chandler 1907-4-21 7531 Sonoma road fr. Glen Ellen to Oakville Comment
  CAS-BOT-BC285754  Cirsium remotifolium Marcus E. Jones 1882-7-18 3385 Sonoma Duncan's Mills Comment
  UCD160913  Cirsium vulgare James A. Neilson Jr. 1975-7-8 3418 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  SJSU704  Cirsium vulgare A. W. Jacobs 1941-7-27 Sonoma W bank, Russian River near Hilton Comment
  UC113992  Clarkia amoena Katharine Brandegee 1908-7-22 Sonoma Burbank's Garden Santa Rosa Comment
  CAS-BOT-BC161056  Clarkia amoena subsp. amoena Peter Rubtzoff 1962-7-14 s.n. Sonoma 4 mi. west of Petaluma Comment
  RSA453484  Clarkia amoena subsp. amoena E. A. Purer 1932-7-24 s.n. Sonoma Between Bodega Bay and Santa Rosa Comment
  UC1072038  Clarkia amoena subsp. amoena H. and M. Lewis 1947-6-15 436 Sonoma at west road to Doran Peak (Highway 1); Bodega Bay Comment
  UCR121480  Clarkia amoena subsp. huntiana George K. Helmkamp, E. A. Helmkamp 2000-6-18 5700 Sonoma Outer North Coast Ranges, along Calif. Hwy 128, 0.5 mi south of Mendocino Co. line 381 Comment
  CAS-BOT-BC172209  Clarkia concinna Peter Rubtzoff 1952-6-9 1184 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC172221  Clarkia concinna Mrs. E. C. Sutliffe 1927-6-1 s.n. Sonoma Near Monte Rio Comment
  SEINET6165015 Image available Clarkia concinna Unknown 1981-5-18 s.n. Sonoma Pine Mountain turnoff, Ida Clayton Rd. 914 Comment
  RSA209516  Clarkia concinna subsp. concinna Peter Rubtzoff 1952-6-9 1184 Sonoma North slopes of Fitch Mountain, near Healdsburg Comment
  CAS-BOT-BC172093  Clarkia davyi John H. Thomas 1976-6-15 18318 Sonoma Southern end of the Sea Ranch, northwester part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC162513  Clarkia gracilis subsp. gracilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54000 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-BC163134  Clarkia gracilis subsp. sonomensis Volney Rattan 1877-6-23 s.n. Sonoma Healdsburg Comment
  RSA125115  Clarkia gracilis subsp. sonomensis Peter H. Raven 1958-7-23 13686 Sonoma 8.3 miles east of Skaggs Springs on the road to Stewarts Point Comment
  UC373497  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 19 Sonoma 1/2 mi s of road to Glen Ellen (Sonoma to Santa Rosa Highway) 30 Comment
  LA30762  Clarkia imbricata Peter H. Raven; Richard Snow 1958-7-23 13692 Sonoma at 4551 Vine Hill Road, near Pitkin Marsh Comment
  CAS-BOT-BC163470  Clarkia purpurea subsp. quadrivulnera H. E. Parks; S. T. Parks 1930-5-10 0606 Sonoma In open hills around Knight's Valley Comment
  JEPS43596  Clarkia unguiculata E. Ferguson 1919-6-11 228 Sonoma near Guerneville Comment
  SEINET12194281  Clarkia unguiculata F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -156 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 80 Comment
  UC1136706  Claytonia exigua subsp. exigua E. Armstrong 1934-3-26 926 Sonoma 2 mi nw Camp Meeker; Sebastopol Quad. 121 Comment
  CAS-BOT-BC439319  Claytonia exigua subsp. exigua Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane, 2 mi. north east of Occidental Comment
  CAS-BOT-BC439416  Claytonia gypsophiloides M. S. Baker 1898-4-3 s.n. Sonoma Bet. Guerneville & Cazadero Comment
  JEPS128201  Claytonia gypsophiloides Roger Raiche 2000-5-4 067 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC144455  Claytonia gypsophiloides A. A. Heller 1903-4-23 Sonoma Fort Ross Comment
  UC486516  Claytonia gypsophiloides H. E. and S. T. Parks 1930-5-10 624 Sonoma Knights Valley Comment
  CAS-BOT-BC439398  Claytonia gypsophiloides Barrett Anderson 1986-4-9 2875 Sonoma Ida Clayton Rd N of Kellogg. 745 Comment
  RSA177929  Claytonia gypsophiloides R. F. Thorne 1965-4-20 324378 Sonoma ca. 3/4 mi.; Charles Newman s place up Los Alamos Rd., on Rincon Ridge. 396 Comment
  SEINET11935786  Claytonia perfoliata Unknown 1987-1 70028 Sonoma S of mouth of Russian River, Goat Rock State Park, W of Coast Hwy 1, S of main entrance rd into park 9 Comment
  CAS-BOT-BC443679  Claytonia perfoliata subsp. perfoliata F. Almeda; G. DeNevers 1981-3-30 4877 Sonoma Pepperwood Ranch. Along road to the Garrison Cabin at the SW corner of the ranch. Comment
  CAS-BOT-BC443871  Claytonia sibirica Peter Rubtzoff 1964-7-3 5340 Sonoma Bodega Bay Marsh. Comment
  RSA135361  Clematis ligusticifolia Volney Rattan 1877-6-21 s.n. Sonoma Santa Rosa Comment
  HSC20588  Collinsia heterophylla R. F. Good 1962-4-19 27 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes 46 Comment
  SEINET12329976  Collinsia heterophylla F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -206 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 440 Comment
  POM14838  Collinsia sparsiflora var. arvensis A. A. Heller 1903-4-23 6601 Sonoma Fort Ross. From type locality. Comment
  UC103393  Collinsia sparsiflora var. arvensis Michener and Bioletti Apr 1893 Sonoma Kenwood Comment
  UC672477  Collinsia sparsiflora var. arvensis H. L. Mason 1928-4-8 4298 Sonoma fields near Sebastopol Comment
  CHSC22315  Collinsia tinctoria Robert A. Schlising; Lloy Thurman 1962-6-15 2307 Sonoma Dry Creek Road, few miles E of Skaggs Springs. Coast Ranges. Comment
  UC1238979  Collinsia tinctoria Freed W. Hoffman 1948-8-2 2356 Sonoma Spring Mountain Road to St. Helena near summit St. Helena; North Coast Ranges, Spring Mountain Road 609 Comment
  JEPS117066  Collinsia tinctoria Peter Warner 2007-5-12 85 Sonoma Mayacamas Audubon Sanctuary, Pine Flat Road, E of Geyserville; approx. 1/2 km SE of 7-Up (Rebizzo) Ranch, upslope (east) from road on large volcanic outcropping. 457 Comment
  UC30212  Collomia heterophylla H. N. Bolander 1864-1 3860 Sonoma bed Russian River Comment
  UCD127322  Conium maculatum Andreas Stohr 1996-5-19 27 Sonoma Roadside near to Pine Grove. 6 miles west of Petaluma. 100 Comment
  RSA223347  Convolvulus arvensis Peter Rubtzoff 1954-7-5 1540 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC286004  Conyza bonariensis Walter Knight; Irja Knight 1963-9-1 215 Sonoma Magnolia Ave., Petaluma Comment
  CAS-BOT-BC286005  Conyza bonariensis Mary P. Wells 1988-9-7 966 Sonoma At Friends House, Rincon Valley, Santa Rosa Comment
  JEPS45845  Corallorhiza maculata Eleanor Armstrong 1932-5-20 501 Sonoma 3 1/2 mi s Camp Meeker 91 Comment
  SD56667  Corallorhiza maculata Darley F. Howe 1963-7-3 3591 Sonoma 20 miles north of junction with #12 on #1, under redwoods. Comment
  SBBG33944  Cordylanthus pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge, E of Santa Rosa 91 Comment
  SEINET12327524  Cordylanthus pilosus W. Knight, Knight, I. 1984-1 5074 Sonoma 4.1 mi up Cavedale Rd from St. 12 640 Comment
  JEPS6780  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1895-8-30 21341 Sonoma Petrified Forest Comment
  RSA0006006  Cordylanthus pilosus var. brunneus W. L. Jepson 1894-7-19 21109 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC238226  Cordylanthus tenuis subsp. brunneus Walter Knight; Irja Knight; Dr. Stephen W. Edwards 1986-8-17 5507 Sonoma Sweetwater Springs Road across from large old mine Comment
  UC1012239  Cordylanthus tenuis subsp. brunneus Francis W. Pennell 1904-7-3 26044 Sonoma ne Kenwood (summit); Hoods Peak 701 Comment
  CAS-BOT-BC238232  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1955-7-11 55110 Sonoma 2 mi. e. of Occidental 243 Comment
  JEPS33009  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1947-9-5 1251 Sonoma between Tyrone and Camp Meeker (Dutch Bill Creek) Comment
  CDA39435  Cordyline australis Tony Morosco, Adam Holbrook 2004-1-19 s.n. Sonoma Salt Point State Park, Deadman Gulch. From just north of Hwy 1 roadmarker 43 follow south fork of dirt road due east, in partial forest opening approx. 100 feet above stream. 0 Comment
  SD53397  Corethrogyne filaginifolia var. filaginifolia Darley F. Howe 1962-7-29 3365 Sonoma 12 miles north of Jenner on Highway 1. Comment
  RSA0057952  Cornus Greg de Nevers 1998-5-25 11266 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  UCR255684  Cornus glabrata Greg de Nevers 1998-4-27 11196 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  UCD158733  Cornus nuttallii Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 1 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. south of Big Sulphur Creek. Elevation estimated by label maker. 792 Comment
  CAS-BOT-BC210434  Cornus sericea Peter Rubtzoff 1953-5-16 1366 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  CAS-BOT-BC210438  Cornus sericea J. W. Congdon 1880-6-6 s.n. Sonoma Bloomfield Comment
  CAS-BOT-BC210473  Cornus sericea subsp. occidentalis A. A. Heller 1902-7-1 5796 Sonoma Lagoon at Sebastopol Comment
  CAS-BOT-BC251216  Cotoneaster Peter Rubtzoff 1958-8-23 3905 Sonoma Laguna de Santa Rosa, east of Cunningham near Llano Road. Comment
  CAS-BOT-BC376394  Cotoneaster Greg de Nevers 1994-3-26 10518 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Garrison Canyon. 457 Comment
  RSA0073843  Crassula solieri Reid V. Moran, Charles Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1.0 km east of Glen Ellen. 110 Comment
  SD206990  Crassula solieri Reid Moran 1991-5-14 Sonoma Sonoma Valley Regional Park; E of Glen Ellen, Highway 12, 0.3 miles southeast of intersection with Arnold Drive. 99 Comment
  CAS-BOT-BC143507  Crataegus gaylussacia Peter Rubtzoff 1959-5-30 4062 Sonoma Freestone Marsh Comment
  NY435883  Crataegus gaylussacia A. A. Heller 1902-8-20 6052 Sonoma Lagoon at Scbastopol. Comment
  RSA94007  Crataegus suksdorfii Peter Rubtzoff 1951-6-16 212 Sonoma N half of lower Pitkin Marsh, SE of Forestville Comment
Read comments
Apr 28 2010
  UCD148420  Crepis Peter Rubtzoff 1960-6-7 4450 Sonoma Austin Creek Marsh. Comment
  UCD18321  Crocanthemum scoparium Frank Chan 1998-11-1 s.n. Sonoma N of city of Sonoma, close to Hogback Mtn. Comment
  UC963925  Crocanthemum scoparium var. vulgare Milo S. Baker 1947-5-30 11770 Sonoma sw slope Hood Mt. Comment
  CDA4459  Crupina vulgaris L. Sonder 1990-1-25 Sonoma Annadel State Park, Santa Rosa. 0 Comment
  CDA4462  Crupina vulgaris G. D. Barbe 1991-5-24 4422 Sonoma Inside western boundary of Annadel State Park, Santa Rosa. Comment
  CAS-BOT-BC190149  Crypsis schoenoides Peter Rubtzoff 1961-9-20 4756 Sonoma Laguna de Santa Rosa northeast of Graton, near Guerneville Road crossing. Comment
  CAS-BOT-BC85475  Cupressus sargentii Roxana Stinchfield Ferris; L. Lorraine 1961-6-15 13565 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road Comment
  UC1134244  Cupressus sargentii Mason 1932-7-19 123 Sonoma 0.6 mi nw Los Alamos School; Santa Rosa Quad. Comment
  UC1193104  Cupressus sargentii R. H. Neuns 1950-5-5 105 Sonoma 2.5 mi w Mercuryville (Quad 60B4) 914 Comment
  UC570367  Cupressus sargentii Chas. M. Belshaw 1936-3-8 1557 Sonoma 2 mi ne Occidental; North Coast Range Comment
  UCD132952  Cupressus sargentii Frederica Bowcutt 1997-7-18 2187 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  CAS-BOT-BC85456  Cupressus sargentii Milo Samuel Baker 1929-1-2 3383 d Sonoma 2 or 3 mi. north of Mill Cr. Along trail from Cooper's Ranch Comment
  CAS-BOT-BC85462  Cupressus sargentii Milo Samuel Baker 1929-1-2 3383 c Sonoma 3 mi. N. West Coopers, Mill Cr. Comment
  SEINET11739137  Cupressus sargentii W. Knight, Knight, I. 1982-1 4617 Sonoma 2.1 mi toward Mounte Rio from Camp Meeker on Bohemian Highway Comment
  CDA39985  Cuscuta subinclusa Mary-Jean Sawyer 2008-7-3 PDR# 1544920 Sonoma Sears Pt. Dr., on Hwy 37 X Hwy 121, On side of road down to waters edge, near Tolby Creek. 0 Comment
  UC483308  Cynoglossum grande Ira L. Wiggins 1932-3-12 5760 Sonoma between Knight's Valley and Franz Valley Comment
  UCD119158  Cynoglossum grande Frederica Bowcutt; Kate Mawdsley 1996-3-24 2090 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 1/2 air miles W of Mount Saint John, along Brushy Peaks Trail just S of Malm Fork of Sonoma Creek. 426 Comment
  UCSB28101  Cynoglossum grande Phelps, M. 1972-2-18 Sonoma 1000 yds. west of Old Bale Mill Historic Landmark, St. Helena 365 Comment
  CAS-BOT-BC331482  Cynosurus Peter Rubtzoff 1969-8-29 6165 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  UCD160902  Cynosurus echinatus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3582 Sonoma Section 10, ca. 1.5 miles west of The Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  UCD60165  Cynosurus echinatus David L. Morgan 1956-5-29 s. n. Sonoma On Burnside Rd., near junction of Barnett Valley Rd. Comment
  CAS-BOT-BC350947  Cyperus Peter Rubtzoff; Nancy Harrison 1974-9-7 7876 Sonoma Hinebaugh Creek in Rohnert Park, creek bed east of Commerce Blvd. Comment
  CAS-BOT-BC114509  Cyperus eragrostis D. E. Breedlove 1980-6-27 44734 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  CAS-BOT-BC114436  Cyperus erythrorhizos Peter Rubtzoff 1961-8-25 4719 Sonoma Forest Hills, east of Guerneville. Open, wet margin of Russian River. Comment
  RSA227202  Cyperus erythrorhizos Peter Rubtzoff 1958-9-20 3992 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mile north of Guerneville Rd.) Comment
  CAS-BOT-BC114339  Cyperus esculentus Peter Rubtzoff 1965-9-11 5650 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  UCD69401  Cyperus niger J. Thoits 1997-10-15 Sonoma Area north of Lakewood Hills, a gated community in Windsor (north of Santa Rosa), approximately 1-2 miles from Hwy 101 on the east side of the freeway. Comment
  JEPS18145  Cypripedium californicum Rimo Bacigalupi with G. T. Robbins and F. Hoffman 1956-5-30 5668 Sonoma vicinity of The Cedars (along and just above creek-bed, near Layton Chromite Mine); headwaters of Big Austin Creek 266 Comment
  CAS-BOT-BC435192  Cypselea humifusa Peter Rubtzoff 1969-8-24 6145 Sonoma Pond on River Road 3 mi. west of Fulton. Comment
  POM21457  Cytisus monspessulanus A. A. Heller, H. E. Brown, A. H. Heller 1902-4-18 73094 Sonoma Near Windsor. Comment
  RSA0022473  Dactylis glomerata Peter Rubtzoff 1968-7-13 5921 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC445550  Damasonium californicum J. Penalosa 1961-5-24 1584 Sonoma Upper Stemple Creek Marsh Comment
  CAS-BOT-BC445555  Damasonium californicum Peter Rubtzoff 1961-5-24 4606 Sonoma Upper Stemple Creek Marsh. Comment
  CAS-BOT-BC445558  Damasonium californicum J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC192265  Danthonia californica L. R. Abrams 1918-4-27 6918 Sonoma Independence School near Healdsburg Comment
  CAS-BOT-BC192268  Danthonia californica David L. Morgan 1956-5-17 s.n. Sonoma On Watmaugh Rd., 1/2 mi. W. of junction of Arnold Drive Comment
  CAS-BOT-BC192271  Danthonia californica Alice Eastwood 1921-4-24 10358 Sonoma Santa Rosa Comment
  UCD60309  Danthonia californica P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified Forest Road. Comment
  SEINET7096798  Danthonia californica var. californica A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane. Ca. 1 mile east of Occidenta. NAD27, 38.4070? deg. , -122.9289?_ (converted to WGS84) UTM Zone 10, 506210mE, 4250769mN. Comment
  UC19640  Datisca glomerata F. T. Bioletti 1891-9-7 Sonoma Los Guilucos Comment
  CDA36848  Daucus pusillus CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCD126489  Daucus pusillus Frederica Bowcutt 1984-6-23 454 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County Coast. West of Highway 1, about 1/2 mile north of Gerstle Cove. 15 Comment
  UCD69062  Daucus pusillus P. Rodriguez-Rojo 1997-5-17 Sonoma :Sonoma County Lake Sonoma. Springs Rd. Serpentine annual grasslands. UTM: 10SEN0085 360 Comment
  CAS-BOT-BC9575  Delphinium bakeri Milo S. Baker 1929-5-3 3429 Sonoma Coleman Valley Comment
  CAS-BOT-BC9015  Delphinium decorum A. A. Heller; H. E. Brown 1902-4-11 5266 Sonoma Bodega Bay Comment
  UC854102  Delphinium decorum Lewis S. Rose 1939-5-14 39123 Sonoma hills 1 mi e Bodega Bay 30 Comment
  LA207501  Delphinium hesperium Carl Epling; L. Stebbins, H. Lewis 1943-6-17 515 Sonoma Bodega Bay, ca. 2 mi. E of bay at rock outcrops Comment
  CAS-BOT-BC10348  Delphinium hesperium H. D. Ripley; R. C. Barneby 1945-6-22 6940 Sonoma North of Jenner Comment
  CAS-BOT-BC10092  Delphinium luteum Alice Eastwood 1917-5-13 s.n. Sonoma Between Bodega and the Bay Comment
  SD88562  Delphinium nudicaule Darley F. Howe 1972-5-3 Sonoma 4 miles north of Ft. Ross Comment
  CAS-BOT-BC121723  Delphinium patens subsp. patens Volney Rattan 1880-1-1 s.n. Sonoma Healdsburg Comment
  UC70446  Delphinium variegatum Milo S. Baker 1898-5-7 586 Sonoma near Glen Ellen Comment
  RSA0004632  Dendromecon myrtifolia A. A. Heller, H. E. Brown 1902-5-29 5618 Sonoma Mt. Hood. Comment
  CDA23056  Dendromecon rigida D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .266 Sonoma Cavedale Rd. Comment
  POM215765  Dendromecon rigida Jens Clausen 1933-3-25 725 Sonoma About 4 miles east of Warfield on the road to Oakville, on the Youngman Ranch 213 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
  UCD35509  Deschampsia cespitosa Beecher Crampton 1957-7-22 4383 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  SD56671  Deschampsia cespitosa subsp. beringensis Darley F. Howe 1963-7-3 3587 Sonoma 20 miles north of junction with #12 on # 1. Comment
  UC573730  Deschampsia cespitosa subsp. beringensis H. S. Yates 1936-5-17 5625 Sonoma 1 1/2 mi. e. Bodega Port; Duncan Mills Quad. Comment
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Jul 28 2008
  CAS-BOT-BC192612  Deschampsia cespitosa subsp. holciformis Herbert L. Mason 1946-7-4 12885 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UCD63798  Deschampsia cespitosa subsp. holciformis Beecher Crampton 1957-7-11 4334 Sonoma Sonoma Coast State Park, along State Hwy. 1, 1.3 miles north of Salmon Creek. Comment
  CAS-BOT-BC201950  Deschampsia elongata Greg de Nevers 1992-6-16 10174 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 304 Comment
  CAS-BOT-BC201955  Deschampsia elongata Peter Rubtzoff 1959-6-6 4099 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC201958  Deschampsia elongata A. A. Heller 1902-6-7 5653 Sonoma Bennett Valley near Santa Rosa Comment
  RSA126964  Deschampsia holciformis H. S. Yates 1936-5-17 5625 Sonoma 1.5 miles E of Bodega Port 122 Comment
  JEPS85586  Dichanthelium acuminatum subsp. thermale Rick York, Sally de Becker, Laurie Wickenheiser, and Joe O'Hagan 1990-7-24 90 -1 Sonoma s Little Geysers Creek (The Little Geysers); Whispering Pines Quad., Geysers Region, The Little Geysers Comment
  RSA654140  Dichanthelium acuminatum var. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers, 12 miles (direct line) east of Cloverdale. North slope of well above Geysers Creek. 494 Comment
  UC1084355  Dichelostemma capitatum G. Thomas Robbins 1937-3-25 13 Sonoma 8-10 mi e Santa Rosa; Santa Rosa Creek Canyon Comment
  UC1198177  Dichelostemma capitatum Joseph P. Tracy 1933-5-1 12125 Sonoma Knights Valley 152 Comment
  SEINET12053848  Dichelostemma capitatum Unknown 1936-1 13369 Sonoma near Healdsburg Comment
  UCD166874  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2016-3-26 3042 Sonoma Mayacamas Mountains, along Pine Flat Road, at Rob Roy Flat. 618 Comment
  UC665619  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma 5 mi n Jenner Comment
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Apr 2 2015
  UCD126369  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma five miles north of Jenner. Comment
  SEINET10496681  Dichondra occidentalis Alan A. Beetle 1940-4-7 Beetle 2598 Sonoma In sandy soil on low, open, grassy coastal hill; five miles north of Jenner. Comment
  CAS-BOT-BC183610  Digitaria Peter Rubtzoff 1971-8-23 6655 Sonoma Meacham Road, 0.35 mi. S of Stony Point Road. Comment
  RSA788367  Digitaria Peter Rubtzoff 1971-8-23 6655 Sonoma Meacham Road, 0.35 miles S of Stony Point Road. Comment
  UCR255869  Digitaria sanguinalis Greg de Nevers 1996-9-23 10879 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 476 Comment
  CAS-BOT-BC152036  Diplacus aurantiacus L. R. Abrams 1916-7-3 5780 Sonoma Petrified Forest Comment
  CAS-BOT-BC152043  Diplacus aurantiacus Peter Rubtzoff 1952-6-11 1247 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC182763  Distichlis spicata Peter Rubtzoff 1962-7-14 5000 Sonoma Lower Salmon Creek Marsh. Comment
  SEINET10662294  Distichlis spicata P. Rubtzoff 1955-8-20 Rubtzoff 2065 Sonoma Bodega Harbor Marsh. Comment
  JEPS26980  Downingia bicornuta var. bicornuta Allison Hastings 1940-5-3 Sonoma e of Santa Rosa Fair Grounds Comment
  UCD55093  Downingia concolor G. F. Hrusa; R. Gross 1996-6-30 13059 Sonoma At west end of Diamond Mtn. Rd.; 2 m. SW of Calistoga. 700 Comment
  UC1244021  Downingia concolor var. concolor John H. Weiler 1960-5-22 60128 Sonoma Schellville, Southern Pacific railroad gradings Schellville Comment
  UC890621  Downingia concolor var. concolor Allison Hastings 1940-5-3 Sonoma 2 mi <?> Smith's Corners (on Molino Road) Comment
  JEPS29136  Downingia pusilla John H. Weiler 1960-4-22 60100 Sonoma 1.7 mi n Sonoma State Home entrance (3 mi n of Agua Caliente, on the w side of State Highway 12) Comment
  UC1019327  Downingia pusilla W. L. Jepson 1921-5-6 9194 Sonoma Sonoma Valley Comment
  CAS-BOT-BC159462  Drymocallis glandulosa var. glandulosa L. R. Abrams 1916-7-4 5792 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC71025  Dryopteris arguta G. DeNevers 1981-5-23 1307 Sonoma Devils Kitchen Hill Comment
  CAS-BOT-BC411377  Dudleya caespitosa Roxana S. Ferris 1932-5-27 8260 Sonoma N end of Bodega Bay Comment
  SD95157  Dudleya cymosa Mark Cary 1971-4-22 45 Sonoma Canyon Road, 15 miles west of Geyserville. Comment
  CAS-BOT-BC428179  Dudleya cymosa subsp. cymosa unspecified No date on label s.n. Sonoma Russian River Comment
  UCD167958  Dysphania James Neilson 1981-7-16 4050 Sonoma Mayacmas Mountains. Big Sulphur Cr. At bridge crossing road to Cloverdale. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1949236  Dysphania botrys Barbara Ertter 1988-11-5 8029 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge Comment
  CAS-BOT-BC210080  Echinochloa Peter Rubtzoff 1976-8-29 8835 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD164337  Echinochloa Peter Rubtzoff 1976-8-29 8834 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC208553  Echinochloa crus-galli David L. Morgan 1955-7-5 s.n. Sonoma Bloomfield Rd., 2 mi. N of junction of Petaluma-Valley Ford Rd. Comment
  UCD166224  Echinodorus berteroi Peter Rubtzoff 1970-8-5 6297 Sonoma Five miles north of Sears Point. 11 Comment
  UCD61213  Ehrharta erecta P. G. Connors 1992-5-12 252 Sonoma Near Salmon Creek (Miwok Rd.). Comment
  UCD164985  Eleocharis Peter Rubtzoff; Nancy Harrison, Ruth Hass, Charles Quibell 1974-8-31 7849 Sonoma Kenwood Marsh. Comment
  UCD165782  Eleocharis Peter Rubtzoff 1972-8-26 6858 Sonoma Laguna, Chileno Valley. Comment
  SJSU5984  Eleocharis acicularis C. W. Sharsmith 1972-6-24 7797 Sonoma Forestville Marsh c, 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  CAS-BOT-BC112195  Eleocharis radicans Peter Rubtzoff 1951-9-2 702 Sonoma Pitkin Marsh, near Forestville: Southern half of Lower Marsh Comment
  CAS-BOT-BC112198  Eleocharis radicans Peter Rubtzoff 1970-9-2 6353 Sonoma Russian River bottom at Mirabel Park Comment
  CAS-BOT-BC112275  Eleocharis rostellata Peter Rubtzoff 1951-6-2 93 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC113673  Eleocharis tenuis var. tenuis Sturgeon 1956-7-3 s.n. Sonoma Near Occidental (Sturgeon's Mill ?) Comment
  SEINET11687494  Elymus glaucus W. Knight, Knight, I.; Edwards, S. 1986-1 5326 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Road 853 Comment
  CAS-BOT-BC203722  Elymus glaucus subsp. glaucus G. DeNevers 1981-5-9 1100 Sonoma Pepperwood Ranch. S of Redwood Canyon Comment
  CAS-BOT-BC203706  Elymus glaucus subsp. glaucus K. Wagnon 1939-5-20 209 Sonoma Along road by Santa Rosa Airport Comment
  CAS-BOT-BC235227  Elymus multisetus Peter Rubtzoff 1952-6-11 1249 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  UC20095  Epilobium brachycarpum J. Burtt Davy Aug. 1896 4139 Sonoma Russian River Comment
  CAS-BOT-BC262973  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-8-10 1676 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC300481  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1962-6-21 4937 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  UCD158775  Epilobium ciliatum subsp. watsonii James A. Neilson Jr. 1974-7-10 2814 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  CAS-BOT-BC268073  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-8-13 1715 Sonoma Bodega Head Marsh. Comment
  RSA225179  Epilobium ciliatum subsp. watsonii P. A. Munz 1936-8-7 14307 Sonoma 6 miles N of Bodega. Comment
  RSA37533  Epilobium ciliatum subsp. watsonii Milo S. Baker 1939-5-19 9332 Sonoma Twin Pine Ranch Comment
  RSA181915  Epilobium foliosum Freed W. Hoffman 1947-4-13 1848 Sonoma North Coast Ranges: Gilliam Creek, near Guerneville Comment
  RSA800405  Epilobium hallianum Peter Rubtzoff 1962-6-1 4855 Sonoma Freestone Marsh Comment
  UC4499  Epipactis gigantea W. A. Setchell 1897-6-10 Sonoma Cazadero Comment
  CAS-BOT-BC173542  Equisetum Peter Rubtzoff 1973-8-21 7253 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC210085  Equisetum Peter Rubtzoff 1963-8-17 5237 Sonoma Russian River Mouth Marsh. Comment
  CAS-BOT-BC57037  Equisetum arvense Peter Rubtzoff 1954-6-6 1467 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC210088  Equisetum hyemale subsp. affine Peter Rubtzoff 1959-6-20 4184 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC57206  Equisetum hyemale subsp. affine Greg de Nevers 1993-5-16 10447 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Along Franz Creek east of 3865 Franz Valley Rd. 457 Comment
  CAS-BOT-BC57209  Equisetum hyemale subsp. affine Peter Rubtzoff 1952-5-31 1104 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC57210  Equisetum hyemale subsp. affine John Thomas Howell 1931-9-26 8088 Sonoma Creek bottom at Northwood near Monte Rio on the Russian River Comment
  UCD167955  Equisetum laevigatum James Neilson 1981-7-16 4052 Sonoma Mayacmas Mountains. On Big Sulphur Cr. 200 yards west of bridge of Cloverdale-Geysers Rd. About 6 miles west of Geysers Resort. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD148428  Equisetum laevigatum Peter Rubtzoff 1961-8-26 4725 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC57645  Equisetum telmateia Peter Rubtzoff 1955-4-9 1769 Sonoma Forestville Marsh Comment
  UCD167968  Equisetum telmateia subsp. braunii James A. Neilson Jr. 1981-3-8 3985 Sonoma Mayacamas Mountains, Wildhorse Ck. at road crossing. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC311809  Eragrostis Peter Rubtzoff 1965-8-16 5603 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC312692  Eragrostis Peter Rubtzoff 1975-9-13 8381 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  UCR248711  Eragrostis Peter Rubtzoff 1965-8-16 5600 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  RSA796174  Eragrostis cilianensis Peter Rubtzoff 1958-8-30 3930 Sonoma Vacation Beach, near Guerneville. Open, wet banks of Russian River. Comment
  RSA0023078  Eragrostis hypnoides Peter Rubtzoff 1965-8-16 5599 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  CAS-BOT-BC182757  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1954-7-3 1517 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC164079  Erechtites glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 miles southeast of Guerneville. Comment
  CAS-BOT-BC164645  Erechtites minimus Peter Rubtzoff 1955-8-20 2056 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC164648  Erechtites minimus Peter Rubtzoff 1974-8-4 7799 Sonoma Upper Green Valley Marsh area. Comment
  POM232057  Erechtites minimus Roxana S. Ferris 1937-8-18 9377 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC131609  Ericameria arborescens Walter Knight; Irja Knight 1963-9-1 133 Sonoma Harold Smith Ranch on Pine Mt. Rd NE of Cloverdale Comment
  POM359364  Ericameria ericoides var. ericoides E. A. Purer 1932-7-24 s.n. Sonoma Near Bodega Bay Comment
  HSC2227  Erigeron canadensis Roxana S. Ferris 1937-8-18 9369 Sonoma Dunes near mouth of Salmon Creek on Bodega Bay Comment
  CAS-BOT-BC295127  Erigeron glaucus Alice Eastwood 1915-6-29 4890 Sonoma Bodega Point Comment
  UC1557906  Erigeron glaucus J. Semple, S. Heard 1986-8-20 8571 Sonoma CA-1, between Jenner and Bodega Bay (edge of bluffs) 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
  UC896087  Erigeron petrophilus var. petrophilus Alice Eastwood 1918-9-3 7919 Sonoma Mt. St. Helena Comment
  JEPS86806  Erigeron reductus var. angustatus Jack and Betty Guggolz 1991-6-29 1200 Sonoma approx. one mi NNW of the center of Camp Meeker Camp Meeker Comment
  CAS-BOT-BC224149  Eriodictyon californicum Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy 3 mi north of Occidental Comment
  RSA765541  Eriogonum cedrorum Roger Raiche 2010-7-11 36 .1 Sonoma The Cedars, headwaters of Big Austin Creek, Azalea Creek drainage 383 Comment
  CAS-BOT-BC259256  Eriogonum latifolium John Thomas Howell 1930-7-27 5413 Sonoma 4 miles north of Bodega Bay Comment
  UC412860  Eriogonum latifolium Miss C. M. Hoak 1912-8-8 Sonoma Monte Rio Comment
  CAS-BOT-BC259483  Eriogonum luteolum John Thomas Howell 1929-6-30 4320 Sonoma 4 miles from Petrified Forest on road to Knights Valley Comment
  SEINET5330460  Eriogonum luteolum M. J. Williams, Wayne Roderick 1978-7-16 78- 228 -2 Sonoma Near Occidental 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
  CAS-BOT-BC261684  Eriogonum nudum var. nudum C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  CAS-BOT-BC261693  Eriogonum nudum var. nudum G. DeNevers 1981-6-27 1713 Sonoma Pepperwood Ranch. Road cut at summit of Franz Valley Road Comment
  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
  CDA5241  Eriophyllum lanatum S. Quick 1996-5-1 7 Sonoma Along Road 32, within 50 meters of the U.C. Reserve access road leading to Stebbins Cold Canyon Reserve. Comment
  UCR42312  Eriophyllum lanatum L. F. LaPre 1985-6-25 s.n. Sonoma Coast Ranges, Socrates Mine, c. 9 mi. ENE of Geyserville 917 Comment
  UCSB22550  Eriophyllum lanatum Jensen, Karen 1965-4-15 Sonoma Along Highway 1, about 1 km. south of Bodega 13 Comment
  SBBG20895  Eriophyllum lanatum A. I. Richardson 1961-5-16 18 Sonoma Sweetwater Springs Rd, 1 mi beyond turn to Armstrong Redwoods State Park, N of Guerneville Comment
  CDA5239  Eriophyllum lanatum var. achilleoides G. D. Barbe 1982-5-27 3619 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment
  JEPS79447  Eriophyllum lanatum var. achilleoides Edward Lee with W. A. Setchell 1936-6-7 2186 Sonoma s ridge Fire Trail Bohemian Grove (Bohemian Grove) Comment
  CAS-BOT-BC301281  Eriophyllum lanatum var. arachnoideum L. Constance 1938-4-24 2157 Sonoma Russian Gulch, 8 miles south of Fort Ross 121 Comment
  SEINET12183468  Erodium botrys F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -171 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 450 Comment
  JEPS117128  Erodium moschatum Peter Warner 2010-3-29 124 Sonoma 1670 Bloomfield Road, approx. 3 km S of center Sebastopol, throughout property. Comment
  UCD103255  Erodium moschatum A. A. Heller 1902-3-26 5159 Sonoma Near Santa Rosa. Comment
  SEINET13944099 Image available Eryngium aristulatum Joseph Andorfer Ewan 1935-1 9256 Sonoma Along railroad tracks all pls. now dormant, W right School on Sebastopol road 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
  SBBG27233  Eryngium aristulatum var. aristulatum J. T. Howell 1933-8-27 11619 Sonoma San Pablo Bay SW of Sonoma Comment
  UC20997  Eryngium armatum J. W. Congdon July 1888 Sonoma Petaluma Comment
  SEINET12121701  Eryngium armatum W. Knight, Knight, I. 1984-1 5424 Sonoma Willow Creek "Rd 61 Comment
  UCD115023  Erysimum Jackie Sinkey 1976-4-17 s.n. Sonoma Bodega Head. 152 Comment
  JEPS128273  Erysimum capitatum var. capitatum Roger Raiche 2000-4-23 042 .00 Sonoma The Cedars. Gateway Parcel at Christi Camp. Lower Russian River, Big Austin Creek watershed. Comment
  SD77326  Erythranthe guttata F. W. Pennell, H. L. Mason 1940-5-21 25489 Sonoma Route 28, Kinghts Valley, along Maacona Creek, 12 mi. e. Healdsburg, along stream 121 Comment
  CAS-BOT-BC110557  Eschscholzia John H. Thomas 1969-4-28 14929 Sonoma Duncan's Mill between the coast and Guerneville. Comment
  RSA146385  Eschscholzia caespitosa subsp. caespitosa W. R. Ernst 1959-5-3 543 Sonoma About 1 mile southeast of Rionido Comment
  CAS-BOT-BC403693  Eschscholzia californica Roxana S. Ferris; Laura Lorraine 1961-6-14 13525 Sonoma Junction of Bittner Rd. with Joy Rd., between Occidental and Bodega Comment
  HSC16756  Eschscholzia californica F. Demostene 1966-4-1 8 Sonoma 2 mi. E of Healdsburg 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
  UCD103207  Eucalyptus globulus Frederica Bowcutt 1997-7-18 2185 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
  JEPS9602  Euonymus occidentalis var. occidentalis M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 249 Sonoma between Guerneville and Monte Rio (Russian R.); Russian R. Comment
  CAS-BOT-BC202536  Euphorbia Peter Rubtzoff 1986-9-28 9747 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC540827  Euphorbia Peter Rubtzoff 1971-7-23 6610 Sonoma Laguna, Chileno Valley. Comment
  UC450203  Euphorbia crenulata Milo S. Baker 1898-4-23 694 Sonoma Santa Rosa Canyon Comment
  JEPS117122  Euphorbia oblongata Peter Warner 2010-4-22 134 Sonoma State Hwy. 128 ~3.03 mi. (fr. N) at turnout on E side of road at metal gate, in adjacent disturbed grassland and across road, about 2 miles NW of Cloverdale. Comment
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Jul 7 2017
  UC126706  Eurybia radulina Geo. R. Hall 1906-10-14 Sonoma Guerneville Comment
  CAS-BOT-BC310743  Euthamia occidentalis Peter Rubtzoff 1951-9-2 700 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  UCR254754  Euthamia occidentalis Peter Rubtzoff 1969-8-26 6155 Sonoma On River Road, c. 3 miles west of Fulton 27 Comment
  RSA155644  Euthamia occidentalis L. S. Rose 1960-9-14 60094 Sonoma Laguna de Santa Rosa, 2 miles east of Grafton 15 Comment
  CAS-BOT-BC376309  Fallopia convolvulus Greg de Nevers 1992-8-1 10239 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 304 Comment
  UCR256126  Festuca Greg de Nevers 1997-6-7 11019 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa On Oakhill Ranch burned area 400 Comment
  CAS-BOT-BC283189  Festuca californica subsp. californica G. DeNevers 1981-5-5 929 Sonoma W arm of Garrison Canyon, Pepperwood Ranch Comment
  CAS-BOT-BC278395  Festuca elmeri K. Wagnon 1939-5-22 217 Sonoma Top of Wagnon rock quarry, five miles west of Sebastopol Comment
  CDA6127  Festuca occidentalis D. G. Kelch 2007-5-13 7 .299 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  UCD66381  Festuca rubra Peter Rubtzoff 1951-6-7 113 Sonoma Pitkin Marsh, near Forestville. Western branch of the upper marsh. Comment
  CAS-BOT-BC279077  Festuca rubra Peter Rubtzoff 1951-6-7 142 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC354068  Filago Peter Rubtzoff 1958-8-30 3943 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC354071  Filago Peter Rubtzoff 1965-8-29 5629 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA285079  Filago pyramidata J. T. Howell 1976-4-26 51595 Sonoma Hills E o Geyserville on road to Geysers Comment
  UCD84823  Fragaria vesca Nellie Coffey 1931-4-12 s.n. Sonoma Mount St. Helena. Comment
  UCR37769  Fragaria vesca A. C. Sanders 1985-1-19 5375 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  CAS-BOT-BC457583  Fragaria vesca subsp. californica Peter Rubtzoff 1953-5-17 1372 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC53276  Frangula californica subsp. californica Peter Rubtzoff 1957-6-28 3377 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC53279  Frangula californica subsp. californica Peter Rubtzoff 1951-6-16 251 Sonoma Uppermost part of the westsern branch of the Upper Marsh Comment
  UC34903  Fraxinus latifolia W. A. Setchell 1897-6-16 Sonoma Cazadero Comment
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Dec 31 2015
  UCD122078  Fraxinus latifolia Lewis S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Creek. NE of Santa Rosa. 121 Comment
  UC1299612  Fremontodendron californicum subsp. californicum Freed W. Hoffman 1947-4-13 779 Sonoma near Guerneville (North Coast Ranges, Gilliam Creek, a branch of East Austin Creek); North Coast Ranges, Gilliam Creek Comment
  JEPS62312  Fritillaria affinis Milo S. Baker 1942-3-27 Sonoma Bodega Bay Comment
  RSA17443  Fritillaria affinis Elmer I. Applegate 1934-3-25 8861 Sonoma Pine Flat region, west slope of the Mayacama Range Comment
  UC75633  Fritillaria affinis Miss Emma Lobenstin 1906-1 Sonoma Valley Ford Comment
  CAS-BOT-BC130453  Fritillaria purdyi Milo S. Baker 1927-4-23 2207 a Sonoma Mt. St. Helena 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
  UCR42317  Fritillaria recurva var. coccinea L. F. LaPre 1986-3-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  UCD112402  Galium Christopher Mallek 2008-5-2 HC2- 11 Sonoma Hooker Canyon. 590 Comment
  JEPS128248  Galium aparine Roger Raiche 2000-5-28 114 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SD88433  Galium aparine Darley F. Howe 1972-4-30 Sonoma South of Bodega Bay Comment
  UCD151302  Galium bolanderi James A. Neilson Jr. 1974-7-31 3165 Sonoma Mayacmas Mountains. Three-quarters of a mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  JEPS128307  Galium californicum Roger Raiche 2000-5-28 120 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this is not the name on USGS topo sheets). Gualala River, Wheatfield Fork watershed. Comment
  UCD121756  Galium divaricatum F. Bowcutt 1994-5-21 1812 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. Along Meadow trail about 3/4 mile from trailhead. East from trail about 100 yards. 411 Comment
  SEINET12333743  Galium murale H. K. Wagnon 1989-1 1882 Sonoma Spring Lake Park & environs, adjacent to Montgomery Drive, edge of service road 67 Comment
  RSA47580  Galium muricatum L. Beane, Lois E. James 1948-5-11 2071 Sonoma Between Fort Rose and Jenner. Comment
  RSA178028  Galium nuttallii Robert F. Thorne 1965-4-19 34284 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UCD121863  Galium parisiense Frederica Bowcutt 1997-7-18 2181 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
  CDA18033  Galium parisiense R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena Spring. 0 Comment
  POM118792  Galium porrigens Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UC28231  Galium tricornutum F. T. Bioletti June 1893 Sonoma Kenwood Comment
  CAS-BOT-BC303499  Gamochaeta ustulata John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  RSA94010  Gamochaeta ustulata Peter Rubtzoff 1951-7-8 398 Sonoma Pitkin Marsh, near Forestville: Lower part of Upper Marsh Comment
  RSA94011  Gamochaeta ustulata Peter Rubtzoff 1951-6-30 293 Sonoma Pitkin Marsh, near Forestville; western branch of the Upper Marsh Comment
  RSA12702  Garrya elliptica Carl B. Wolf, E. R. Johnson 1934-10-13 6180 Sonoma Nine miles north of Fort Ross on Coast Road to Stewarts Point. 46 Comment
  CAS-BOT-BC182160  Garrya fremontii Milo S. Baker 1946-2-9 11263 Sonoma Hope Valley near Chamberlain Place, Kenwood Region Comment
  CAS-BOT-BC182165  Garrya fremontii James McMurphy 1909-5-29 s.n. Sonoma Grade between Black Mountain and Geyser Mountain Comment
  HSC8393  Garrya fremontii S. N. Wiemeyer 1962-1-28 5 Sonoma 3/4mi E of County Hospital along Chanate Rd. 213 Comment
  CAS-BOT-BC320553  Gastridium Peter Rubtzoff 1972-6-29 6798 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC278691  Gastridium phleoides Peter Rubtzoff 1956-9-14 2866 Sonoma Vacation Beach, near Guerneville Comment
  CDA21217  Gaudinia fragilis J. Valerius, D. Lake 2002-6-25 s.n. Sonoma Cloverdale; scraped area NW of intersection of Asti Road and South Cloverdale exit ramp from Hwy 101. 0 Comment
  UC571061  Gaultheria shallon H. L. Mason 1928-4-8 4294 Sonoma 2 mi n of Fort Ross (along coast) Comment
  CAS-BOT-BC193254  Genista monspessulana Mary P. Wells 1983-8-23 s.n. Sonoma Coast Highway near Milepost 43.58 Comment
  UCD23449  Gentiana affinis A. S. Crafts 1948-8-28 s.n. Sonoma Sonoma coast near Fort Ross. Comment
  RSA0026778  Geranium carolinianum Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  RSA0028442  Geranium core-core Peter H. Raven, Richard Snow 1958-7-23 13689 Sonoma 2.6 miles north of Jenner. Comment
  UCD103339  Geranium dissectum Mary M. Hektner 1974-5-27 5 Sonoma South of Whalers' Reach, Unit 7, Sea Ranch, near State Highway 1. Comment
  UCD103411  Geranium molle Mary M. Hektner 1976-9-15 268 Sonoma Irena Morgan's garden. Pacific Reach Road, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD15830  Geranium molle J. D. DiTomaso 1998-5-18 s.n. Sonoma Sugarloaf Ridge State Park. 430 Comment
  UCD168062  Gilia James Neilson 1977-8-10 3955 Sonoma Mayacmas Mountains. Klau Mine, Apple Tree Ck at the 'Orchard'. Turner Flat. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD158810  Gilia capitata James A. Neilson Jr. 1974-4-16 2872 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC225278  Gilia capitata subsp. chamissonis Peter Rubtzoff 1955-8-20 2071 Sonoma Bodega Harbor Marsh Comment
  CAS-BOT-BC226167  Gilia capitata subsp. tomentosa John Thomas Howell 1930-6-8 5265 Sonoma 1 mile east of Bodega Bay Comment
  OBI48604  Glebionis segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  UC1446208  Glyceria declinata Paul But with Peter Rubtzoff 1974-4-6 1005 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC282809  Glyceria leptostachya Peter Rubtzoff 1960-6-8 4462 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC282819  Glyceria leptostachya John Thomas Howell 1945-8-14 21390 A Sonoma Perry Marsh Comment
  RSA786496  Glyceria leptostachya Peter Rubtzoff 1969-7-5 6109 Sonoma 5.25 mi NE of Penngrove, near Lichan Road. Comment
  RSA136603  Glycyrrhiza lepidota Volney Rattan 1877-6-23 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC164700  Gnaphalium Peter Rubtzoff 1966-8-29 5815 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC176150  Gnaphalium chilense Peter Rubtzoff 1961-8-24 s.n. Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC176155  Gnaphalium chilense Peter Rubtzoff 1955-9-9 2125 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC166790  Gnaphalium palustre Peter Rubtzoff 1959-6-20 4164 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC302685  Gnaphalium palustre A. A. Heller 1902-6-10 5684 Sonoma Santa Rosa Comment
  CAS-BOT-BC302693  Gnaphalium palustre Peter Rubtzoff 1976-5-30 8567 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC302684  Gnaphalium palustre Peter Rubtzoff 1951-8-19 655 Sonoma Pitkin Marsh, near Forestville. Just north of the Lower Marsh Comment
  CAS-BOT-BC251304  Gratiola ebracteata Peter Rubtzoff 1963-6-18 5176 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC164093  Grindelia Peter Rubtzoff 1963-6-6 5171 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  CAS-BOT-BC305167  Grindelia hirsutula John Thomas Howell 1932-10-9 10816 Sonoma 6 miles from Sonoma on road to Napa Comment
  CAS-BOT-BC305197  Grindelia hirsutula John Thomas Howell 1929-6-30 4318 Sonoma 4 miles from Petrified Forest on road to Knights Valley Comment
  SBBG45076  Grindelia hirsutula H. E. and S. T. Parks -Nov-1929 411 Sonoma Tubbs Island, sea level Comment
Read comments
Feb 9 2015
  UCSB50242  Grindelia hirsutula Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11N 15 Comment
  CAS-BOT-BC302254  Harmonia nutans J. Clausen 1935-5-23 1073 Sonoma Petrified Forest, near entrance Comment
  UC894090  Harmonia nutans Alice Eastwood 1915-5-1 6842 Sonoma Mt. St. Helena Comment
  JEPS117092  Harmonia nutans Peter Warner 2010-5-23 158 Sonoma Ida Clayton Rd., ~ 5.3 km fr. jct. w/ Hwy 128; on upslope (W) side of road Comment
  CDA34789  Hedera helix Peter Warner 2010-3-1 110 Sonoma State Hwy 1 at 6.77 mile marker, west of junction of Bay Hill Rd. between road and Cheney Gulch Creek. Comment
  UC353800  Helenium bigelovii Milo S. Baker 1928-4-28 3001 b Sonoma Pitkin Swamp Comment
  UCR280186  Helenium puberulum Peter Rubtzoff 1958-7-26 3796 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  RSA800482  Helenium puberulum Peter Rubtzoff 1962-7-28 5003 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road. Comment
  RSA800483  Helenium puberulum Peter Rubtzoff 1955-7-31 2014 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC314740  Helianthella californica var. californica Greg de Nevers 1987-4-25 8165 Sonoma 3500 Franz Valley Road, Pepperwood Ranch Natural Preserve, Santa Rosa 400 Comment
  CAS-BOT-BC305583  Helianthus bolanderi Walter Knight; Irja Knight 1968-1-1 2271 Sonoma Geysers Resort Comment
  UCD158804  Helianthus bolanderi James A. Neilson Jr. 1974-3-27 2942 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC305966  Helminthotheca echioides Alice Eastwood 1921-7-20 10619 Sonoma On road between Cotati and Santa Rosa Comment
  CAS-BOT-BC268069  Hemizonia Peter Rubtzoff 1955-9-9 2121 Sonoma Bodega Head Marsh. 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
  RSA800071  Hemizonia Peter Rubtzoff 1971-7-23 6619 Sonoma Laguna, Chileno Valley. Comment
  RSA1110  Hemizonia clevelandii E. R. Johnson 1928-8-22 1111 Sonoma Cloverdale Comment
  UCD168063  Hemizonia congesta James Neilson 1981-8-21 4062 Sonoma Mayacmas Mountains. Healdsberg-Geysers Rd ca. 2 mi. from foothills. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR21599  Hemizonia congesta O. F. Clarke 1966-8-16 s.n. Sonoma North Coast Ranges, Healdsburg, farm of V. Brown Comment
  RSA94096  Hemizonia congesta J. T. Howell 1945-8-14 21408 Sonoma Perry Marsh Comment
  SD62047  Hemizonia congesta Darley F. Howe 1965-8-3 4101 Sonoma 8.0 miles east of Bodega on Highway 1. Comment
  CAS-BOT-BC306165  Hemizonia congesta subsp. clevelandii L. R. Abrams 1916-7-4 5785 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC306160  Hemizonia congesta subsp. clevelandii James McMurphy 1908-9-27 s.n. Sonoma Between Fulton and Sebastopol Comment
  CAS-BOT-BC306224  Hemizonia congesta subsp. congesta John Thomas Howell 1945-8-14 21408 Sonoma Perry Marsh Comment
  CAS-BOT-BC306225  Hemizonia congesta subsp. congesta John Thomas Howell 1930-6-8 5216 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  UCR80298  Hemizonia congesta subsp. congesta L. S. Rose 1935-9-11 35622 Sonoma North Coast Ranges, 2 mi north of Healdsburg 40 Comment
  CAS-BOT-BC309684  Hemizonia congesta subsp. lutescens R. F. Hoover 1969-8-31 11567 Sonoma Adobe Road and Casa Grande Road near Petaluma Comment
  CAS-BOT-BC309693  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-8 701 a Sonoma Leddy Station, between Santa Rosa and Sebastopol Comment
  UC1069547  Hemizonia congesta subsp. lutescens H. S. Yates 1937-5-30 6553 Sonoma 1 1/2 mi e Occidental; Sebastopol Quadrangle 91 Comment
  UC990603  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-7-10 504 Sonoma 4 mi nw Cloverdale; Boonville Comment
  CAS-BOT-BC309679  Hemizonia congesta subsp. lutescens H. M. Hall 1930-10-4 12950 Sonoma South of Petaluma Comment
  CAS-BOT-BC309727  Hemizonia congesta subsp. lutescens J. McMurphy 1910-6-8 s.n. Sonoma Hills east of Petaluma Comment
  CAS-BOT-BC309950  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1910-6-8 s.n. Sonoma Valley across hills from Petaluma Comment
  CAS-BOT-BC309955  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-10-26 4539 Sonoma 7 1/2 miles from Santa Rosa on road to Petrified Forest Comment
  UC480911  Hemizonia congesta subsp. luzulifolia Katharine Brandegee 1910-8-14 Sonoma Cobb. Mt. Cobb Mt. Comment
  CAS-BOT-BC309943  Hemizonia congesta subsp. luzulifolia H. M. Hall 1924-8-13 12098 Sonoma East side of Russian River between Ukiah and Hopland Comment
  CAS-BOT-BC309958  Hemizonia congesta subsp. luzulifolia Walter Knight; Irja Knight 1963-8-29 185 Sonoma Casa Grande Road, Petaluma Comment
  RSA216761  Hemizonia lutescens Robert F. Hoover 1969-8-31 11567 Sonoma Adobe Road and Casa Grande Road near Petaluma. Comment
  RSA81620  Hemizonia lutescens James I. McMurphy 1909-7-10 504 Sonoma Rocky point 4 miles NW of Cloverdale on road to Boonville. Comment
  RSA81666  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-5-29 s.n. Sonoma Summit between Geyserville and The Geysers. Comment
  HSC39061  Hesperocyparis macnabiana Gary S. Lester 1974-2-9 68 Sonoma Along Trinity Rd. 549 Comment
  SD40697  Hesperocyparis sargentii Carl B. Wolf, E. R. Johnson 1934-10-13 Sonoma 2 miles from Occidental, Coys Ranch 89 Comment
  UC1212244  Hesperolinon micranthum Freed W. Hoffman 1947-5-18 773 Sonoma near Camp Meeker; Inner North Coast Ranges, Dutch Bill Creek Comment
  CAS-BOT-BC361350  Hesperolinon spergulinum Greg de Nevers 1997-4-24 10960 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS32295  Hesperolinon spergulinum W. L. Jepson 1923-6-28 10008 Sonoma Kenwood Sonoma Canyon 365 Comment
  UC762263  Hesperolinon spergulinum Robert F. Hoover 1941-6-7 5317 Sonoma 2 mi se Monte Rio (on road to Camp Meeker) Comment
  OBI49064  Hesperolinon spergulinum Michener & Bioletti, Bioletti 1893-6-11 35 Sonoma Hoods Peak Comment
  UCD166419  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Comment
  POM180783  Heterotheca sessiliflora subsp. echioides J. T. Howell 1930-7-13 5342 Sonoma Black Point Road Comment
  UC420433  Heuchera micrantha var. erubescens Milo S. Baker 1898-6-11 678 Sonoma Little Sulphur Creek Comment
  CAS-BOT-BC424436  Heuchera pilosissima H. D. Ripley; R. C. Barneby 1945-6-22 6946 Sonoma Wright's Beach 50 Comment
  RSA143957  Hierochloe occidentalis Roxana S. Ferris, Laura Lorraine 1961-6-14 13538 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  SD134002  Hoita macrostachya Greg de Nevers, Buddy Goatcher 1987-6-30 8228 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, at spring 99 Comment
  UC16310  Hoita orbicularis Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  CAS-BOT-BC227669  Holcus lanatus Peter Rubtzoff 1954-7-29 1605 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC280799  Holcus lanatus John H. Thomas 1976-6-16 18337 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  POM205900  Holcus lanatus Jos Burtt Davy 1896-07 12201 Sonoma Near Guerneville. Comment
  RSA144370  Holcus lanatus Roxana S. Ferris, Laura Lorraine 1961-6-14 13543 Sonoma Willow Creek road between Occidental and Jenner, 5.7 miles from Jenner Comment
  UC573681  Holcus lanatus H. S. Yates 1936-5-16 5595 Sonoma 2 mi se Forestville (<Pitkin Marsh>); Sebastopol Quad. Comment
  CAS-BOT-BC376282  Holocarpha virgata Greg de Nevers 1995-9-30 10774 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC152391  Holodiscus discolor var. discolor D. E. Breedlove 1980-6-27 44761 Sonoma Pepperwood Ranch W of Knights Valley Comment
  RSA0026176  Holodiscus dumosus Barbara Ertter, Roger Raiche, J. R. Shevock, R. Bittman 1994-6-23 12850 Sonoma The Cedars' serpentine area at head of Big Austin Creek N of Cazadero, ca. 20 air miles due W of Healdsburg. South branch of creek. Comment
  RSA0060105  Holozonia filipes Greg de Nevers 1996-7-2 10854 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. On spillway of Dentist's Lake, and in creek below it. 91 Comment
  CAS-BOT-BC315806  Holozonia filipes H. M. Hall 1931-5-26 13083 Sonoma Boyes Spring Comment
  RSA783725  Holozonia filipes Peter Rubtzoff 1971-7-20 6602 Sonoma 4.25 mi W of Glen Ellen on Bennett Valley Road. Comment
  SEINET11690142  Hordeum brachyantherum J. T. Howell, Knight, W.; Knight, I. 1987-1 6246 Sonoma Todd Road Preserve 24 Comment
  UCD85897  Hordeum marinum subsp. gussoneanum R. Tofsrud 1949-4-1 s.n. Sonoma Fulton. Comment
  CAS-BOT-BC284844  Hordeum murinum subsp. glaucum Peter Rubtzoff 1951-7-21 487 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CDA36853  Hordeum murinum subsp. leporinum CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UC1596333  Hordeum murinum subsp. leporinum Richard R. Halse 1987-2-22 3375 Sonoma along State Highway 121 .4 mi e of its junction with State Highway 116 at Big Bend in the Sonoma Valley 6 Comment
  UCD85931  Hordeum murinum subsp. leporinum A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3557 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  POM35453  Horkelia californica A. A. Heller 1902-6-27 5783 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC536155  Horkelia californica David D. Keck 1944-7-11 5516 Sonoma 1 mile south of bridge across mouth of Russian River, 1/2 mile from ocean 22 Comment
  CAS-BOT-BC536158  Horkelia californica John Thomas Howell 1930-7-27 5389 Sonoma Fort Ross Comment
  POM225967  Horkelia californica Philip A. Munz 1936-8-7 14309 Sonoma 6 miles N of Bodega. Comment
  JEPS95270  Horkelia californica subsp. californica Margaret Rockwood and Linda Esposito 1993-7-18 604 Sonoma ranch N of Bodega, in lower Salmon Creek watershed Comment
  UC70428  Horkelia tenuiloba Milo S. Baker may 1899 Sonoma near the Laguna (Forest Hill Rd); Forestville Comment
  SBBG3416  Hosackia gracilis H. and M. Dearing 1939-5-15 3380 Sonoma N of Fort Ross Comment
  SEINET957970  Hosackia oblongifolia L. S. Rose 1962-1 62062 Sonoma 1 mi. NW of Freestone. 76 Comment
  UC1122088  Hypericum anagalloides H. S. Yates 1936-5-16 5588 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  CDA36540  Hypericum anagalloides T. C. Fuller 1958-5-24 3990 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  RSA94320  Hypericum androsaemum Peter Rubtzoff 1951-7-1 329 Sonoma Lower part of Upper Marsh Comment
  UC19034  Hypericum concinnum H. N. Bolander 1864-1 3948 Sonoma at the Geysers Comment
  SEINET5501095  Hypericum concinnum Sally Walker 1981-5-18 Sonoma Franz Valley Rd, .10 mi S of F.V. School Rd. Comment
  RSA94321  Hypericum formosum var. scouleri Peter Rubtzoff 1951-6-30 292 Sonoma Western branch of the upper Marsh; in a marshy opening. Comment
  JEPS128241  Hypochaeris glabra Roger Raiche 2000-5-4 078 .00 Sonoma The Cedars. Promentory, Cabin Site. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC312908  Hypochaeris glabra Marcus E. Jones 1931-7-5 29093 Sonoma West of Cloverdale Comment
  CAS-BOT-BC366946  Ipomoea mutabilis Greg de Nevers 1996-11-10 10893 Sonoma Santa Rosa, Sonoma Avenue 30 Comment
  SEINET7075545  Iris A. G. Vestal 1955-5-6 s.n. Sonoma About 2.5 miles east of Occidental on the Occidental Road. 38? deg. 24' 30" North Latitude, -122? deg. 54' 3" West Longitude. UTM Zone 10, 508655mE, 4250919mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  SEINET10529075  Iris douglasiana R. D. Sage 1992-1-11 Sage 13410 Sonoma Collected along graton rd, 1-2 km e-ne from occidental. Comment
  SEINET3875273  Iris douglasiana James Faro 1962-4-14 20 Sonoma Salt Point Ranch, about 5 miles North of Fort Ross on Highway 1.; 0 Comment
  SJSU10186  Iris douglasiana T. A. Wayne III 1962-4-7 Sonoma by Valley Ford Rd c. 1/3 the distance between Salmon Creek & Bodega Bay 60 Comment
  UCD160311  Iris fernaldii James A. Neilson Jr. 1975-5-23 3211 Sonoma Truit Creek at Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  RSA22094  Iris fernaldii Alice Eastwood, John Thomas Howell 1938-5-15 5512 Sonoma Near Mark West Springs Comment
  CDA39598  Iris macrosiphon R. Marsh 1961-3-23 s.n. Sonoma 300 Trinity Road, Glen Ellen. 0 Comment
  CAS-BOT-BC376406  Isoetes Greg de Nevers 1997-5-30 11010 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Three Tree Hill. 400 Comment
  JEPS79612  Isoetes howellii Edward Lee 1974-5-11 Sonoma Laguna R.R. bridge Sebastopol Comment
  CAS-BOT-BC112411  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh, near Forestville: Uppermost part of the western branch of the Upper Marsh. Comment
  UCD150848  Isolepis carinata Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  CAS-BOT-BC112576  Isolepis cernua Peter Rubtzoff; Nancy Harrison 1978-6-11 9216 Sonoma Cunningham Marsh area. Open marshy ground on N side of Blucher Creek valley. Comment
  HSC7451  Isolepis cernua A. A. Beetle 1941-7-8 2854 Sonoma 5 mi. S of Stewart's ('Steward') Point 24 Comment
  HSC85561  Isolepis cernua Robert A. Norris, John L. Inase, Allen Nakagawa, Willie J. Roberts, Michael Kurtz, Nelson R. Powers 1982-8-8 4434 Sonoma Near Goat Rock picnic area across mouth of Russian River from Jenner, Sonoma State Beach Comment
  RSA540069  Isolepis cernua Peter Rubtzoff 1963-6-5 5152 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC109884  Juncus Peter Rubtzoff 1974-10-20 7938 Sonoma Hinebaugh Creek in Rohnert Park.Creek east of Commerce Blvd. Comment
  CAS-BOT-BC322122  Juncus arcticus Peter Rubtzoff 1955-7-24 1989 Sonoma Forestville Marsh. Comment
  RSA0035351  Juncus balticus Peter Rubtzoff 1957-5-11 3333 Sonoma Occidental Marsh. Comment
  JEPS30835  Juncus breweri Rimo Bacigalupi, and L. R. Heckard 1962-6-19 8591 Sonoma just n Horseshoe Cove ((indicated on Bodega Head U.S.G.S. Sheet as depressed contour)); Bodega Head Comment
Read comments
Dec 13 2006
  UC1601701  Juncus bufonius J. Burtt Davy 1894-6-17 Sonoma Knights Valley Comment
  UCR218215  Juncus bufonius var. congestus George K. Helmkamp, E. A. Helmkamp 2010-6-4 16234 A Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 9.8 rd. miles east of its junction with US-101, 4.5 air miles SW (250 deg. ) of Calistoga 280 Comment
  CDA9235  Juncus dubius D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  UC1026467  Juncus dubius Peter Rubtzoff 1951-7-8 395 Sonoma near Forestville (lower part of the Upper Marsh); Pitkin Marsh, Upper Marsh Comment
  CAS-BOT-BC164382  Juncus effusus Peter Rubtzoff 1968-7-13 5920 Sonoma Sonoma: upper Salmon Creek Marsh Comment
  RSA0031403  Juncus lescurii Peter Rubtzoff 1954-7-26 1554 Sonoma Coleman Marsh. Comment
  UCD141648  Juncus occidentalis M. Wiesendanger 1927-5-5 713 Sonoma Sonoma. Comment
  SEINET3880603  Juncus oxymeris M. L. Conrad, Dunn; LeDoux 1973-6-9 7081 Sonoma 0.6 mile west of Sonoma-Napa County Line on Hwy. 121.; 0 61 Comment
  UCD141758  Juncus patens Mary M. Hektner 1976-8-26 266 Sonoma Unit 28 Owner;s Map, Sea Ranch, near State Highway 1. Comment
  UC1601863  Juncus phaeocephalus State Survey 1890-1 Sonoma Cloverdale Comment
  CDA39262  Juncus phaeocephalus T. C. Fuller & D. L. Bristow 1957-12-17 s.n. Sonoma Horn Ave., south of Santa Rosa. 0 Comment
  UCD21130  Juncus tenuis Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 305 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  CAS-BOT-BC235869  Keckiella corymbosa W. W. Carruth 1900-7-1 s.n. Sonoma Russian River near Cloverdale Comment
  CDA2757  Kniphofia uvaria Greg de Nevers 1981-11-2 1882 Sonoma Pepperwood Ranch. 10 miles northeast of Santa Rosa, near Mark West Lodge. Along a creek, 1/2 mile downstream of Ranch House. 0 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
  UC1019891  Koeleria macrantha Milo S. Baker June 1945 10923 Sonoma opposite house at Maplewood Adobe Canyon Comment
  CAS-BOT-BC273779  Koeleria pyramidata D. E. Breedlove 1980-6-28 44793 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC273784  Koeleria pyramidata G. DeNevers 1982-5-18 2037 Sonoma Pepperwood Ranch. On top of High Hill E of 3 Tree Hill Comment
  CAS-BOT-BC499665  Kopsiopsis strobilacea Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena Comment
  UC194415  Laennecia coulteri E. L. Greene 1888-9-1 Sonoma Santa Rosa Comment
  CAS-BOT-BC341709  Lagophylla ramosissima James I. McMurphy 1909-5-28 s.n. Sonoma 1 mile west of Santa Rosa Comment
  CAS-BOT-BC274316  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point Comment
  SD34488  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point, open coastal bluffs Comment
  UCD63258  Lagurus ovatus P. G. Connors 1991-5-23 109 Sonoma University of California Bodega Marine Laboratory, beside Westside Rd., near Westside Park. Comment
  CHSC79887  Lamarckia aurea Gordon Leppig 1998-5-6 1344 Sonoma Austin Creek State Recreation Area, Austin Creek Trail, UTM zone 10 4269N, 495E. 176 Comment
  UCD151151  Lamarckia aurea James A. Neilson Jr. 1973-6-7 2963 Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 441 Comment
  UCD36536  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
  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
  UCD63290  Lamarckia aurea Beecher Crampton 1964-8-18 7146 Sonoma n.e. Sonoma County: The Geysers, Big Sulphur Creek. Comment
  CAS-BOT-BC486687  Lamiaceae Peter Rubtzoff 1963-8-17 5230 Sonoma Russian River Mouth Marsh Comment
  CAS-BOT-BC490425  Lamiaceae Peter Rubtzoff 1971-6-25 6566 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing Comment
  UC66154  Lamium amplexicaule A. A. Heller 1902-6-7 5658 Sonoma Santa Rosa Comment
  POM63142  Lamium amplexicaule A. A. Heller 1902-6-7 5658 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  JEPS83490  Lasthenia burkei Jack and Betty Guggolz 1985-4-29 827 702 B Sonoma almost exactly 1.0 mi e of the e side Sebastapol (across the fence w from the duck pond, on the Carinelli Property, Llano de Santa Rosa Rancho) Comment
  JEPS83494  Lasthenia burkei Jack and Betty Guggolz 1985-5-7 832 703 B Sonoma n of Fulton (in the first swale e of the Freeway and s of Shilo Road) Comment
  JEPS86746  Lasthenia burkei Jack and Betty Guggolz 1990-4-6 1029 Sonoma 1.25 mi nw old Windsor (Kidd Development) 41 Comment
  UC1368686  Lasthenia burkei Peter Rubtzoff 1966-5-7 5716 Sonoma between Occidental and Guerneville roads e of Graton; Laguna de Santa Rosa Comment
  UC353935  Lasthenia burkei Milo S. Baker 1928-4-16 2973 d Sonoma Hi<gh>way a few mi n of Winsor Comment
  SEINET7067258  Lasthenia californica A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  CAS-BOT-BC346332  Lasthenia californica G. DeNevers 1981-4-18 739 Sonoma Pepperwood Ranch. By the Studio Comment
  CAS-BOT-BC385626  Lasthenia californica Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  JEPS9909  Lasthenia californica subsp. californica Alice Eastwood 1899-6-1 Sonoma Comment
  UCD133685  Lasthenia californica subsp. macrantha Mary M. Hektner 1976-12-14 278 Sonoma overlooking Black Point Beach; Unit 1 Owners' Map Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC355521  Lasthenia glaberrima Alice Eastwood 1921-4-24 10356 Sonoma Santa Rosa Comment
  JEPS117131  Lasthenia gracilis Peter Warner 2010-5-20 154 Sonoma Jenner Headlands, ~100 m W 330 deg. N of residence cabin on Willig Extension Dr., on low rock outcrop in Tank Field Comment
  POM52107  Lasthenia macrantha subsp. bakeri Katherine Brandegee 1905-6-27 s.n. Sonoma From Bodega to Bodega Bay, on west side of stream, crossed by road before turning north Comment
  CAS-BOT-BC370893  Lasthenia minor Alice Eastwood 1901-4-1 s.n. Sonoma Bodega Comment
  SD241760  Lasthenia minor J. Clausen 1935-5-24 1084 Sonoma 5 miles south of Jenner, on bluffs overlooking the ocean. Comment
  RSA783472  Lathyrus Peter Rubtzoff 1971-9-1 6672 Sonoma Spring Creek Reservoir area east of Santa Rosa Comment
  RSA783473  Lathyrus Peter Rubtzoff 1971-6-23 6551 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive Comment
  UCD106230  Lathyrus hirsutus T. C. Fuller 1969-10-1 18964 Sonoma N. and S. of Santa Rosa, Rohnert Park. Comment
  SEINET956151  Lathyrus polyphyllus Carl B. Wolf 1934-1 5799 Sonoma 6/10 mi. Inland from Stwearts Pt. Redwood forest floor, semishade. 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
  RSA0060113  Lathyrus vestitus Greg de Nevers 1998-3-14 11147 Sonoma Duncans Landing beach, north of Bodega Bay. Comment
  UCD106545  Lathyrus vestitus var. ochropetalus Christine Lee 1993-4-24 85 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Hillside Trail about 2 air miles S of Bald Mtn. Midslope on Hillside Trail. 411 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
  UCR244752  Layia Peter Rubtzoff 1969-5-3 6010 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastopol 21 Comment
  UCR244753  Layia Peter Rubtzoff 1966-5-29 5730 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Rd. 29 Comment
  CAS-BOT-BC321725  Layia gaillardioides David D. Keck; J. Clausen 1935-6-15 3379 Sonoma Russian River, 3 mi above mouth. Comment
  CAS-BOT-BC379622  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 miles south of Jenner Comment
  RSA0001366  Layia platyglossa Jens Clausen 1935-5-24 1094 Sonoma 6.5 miles S. of Jenner. Comment
  UCSB50243  Layia platyglossa Gray, John 1976-5-1 Sonoma Bluff above Blind Beach, Sonoma Coast State Beach, 1/2 mile west of Highway 1; T7N R11W 60 Comment
  UC1084446  Ledum glandulosum G. Thomas Robbins 1937-5-23 203 Sonoma about 10 mi w of Santa Rosa (on Pitkin Ranch); Vine Hill region, Pitkin Ranch Comment
  CAS-BOT-BC210113  Leersia Peter Rubtzoff 1973-9-4 7298 Sonoma Russain River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CAS-BOT-BC376241  Leersia oryzoides Greg de Nevers 1992-8-16 10245 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 304 Comment
  UC688868  Leersia oryzoides Freed Hoffman 1943-10-26 5 Sonoma near Guerneville (Russian River); Russian River Comment
  UCD148508  Leersia oryzoides Peter Rubtzoff 1965-10-17 5660 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  CAS-BOT-BC274358  Leersia oryzoides John Thomas Howell 1946-8-17 22880 Sonoma The Laguna just east of Sebastopol Comment
  CAS-BOT-BC266609  Legenere limosa Peter Rubtzoff 1969-5-24 6051 Sonoma 6.5 miles NE of Penngrove, on Lichau Road 426 Comment
  SEINET10461287  Legenere limosa P. Rubtzoff 1969-5-24 Rubtzoff 6051 Sonoma Vernal pool 6.5 miles northeast of Penngrove, on Lichau Road 427 Comment
  CAS-BOT-BC154146  Lemna Peter Rubtzoff 1966-9-10 5820 Sonoma Atascadero Creek Marsh. Comment
  RSA0025210  Lemna minor Peter Rubtzoff 1962-8-24 5067 Sonoma Guerneville Marsh. Comment
  UCR256959  Lemna minuta Peter Rubtzoff 1962-5-11 4815 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  CAS-BOT-BC527275  Lemna minuta Peter Rubtzoff 1951-7-28 543 Sonoma Southern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC527278  Lemna minuta Peter Rubtzoff 1951-8-19 652 Sonoma Northern half of Lower Marsh, 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
  RSA0065913  Lemna valdiviana Peter Rubtzoff 1954-8-10 1671 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC177112  Lepidium didymum Peter Rubtzoff 1960-5-15 4333 Sonoma Fife Creek Marsh Comment
  UCD165875  Lepidium didymum Peter Rubtzoff 1970-10-29 6422 Sonoma Marsh in dunes south of U.C. Bodega Marine Laboratory dormitory. Comment
  CAS-BOT-BC89740  Lepidium latifolium Walter Knight 1963-8-9 s.n. Sonoma Petaluma city limits sign on highway to Lakeville. Comment
  CAS-BOT-BC12968  Lepidium strictum John Thomas Howell; Catherine Best 1981-4-2 53934 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, Sonoma Mountain east of Cotati. 457 Comment
  CDA15514  Lepidium strictum Sallee 1999-5-6 PDR 009208 Sonoma North Coast Ranges; Sonoma Co. Ag. Comm. office complex, Santa Rosa. 0 Comment
  RSA0022357  Leptochloa Peter Rubtzoff 1965-8-16 5598 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  UCR248863  Leptochloa fusca subsp. uninervia Peter Rubtzoff 1965-8-16 5598 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  UCD15831  Leptosiphon bicolor J. D. DiTomaso 1998-5-18 s.n. Sonoma Sugarloaf Ridge State Park. 430 Comment
  UCD118608  Leptosiphon bicolor Frederica Bowcutt; Joy Keeney, Adam Greene 1994-5-21 1802 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Along Meadow Trail, approximately 0.25 mile from trailhead. 396 Comment
  CAS-BOT-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
  UCD55069  Leptosiphon jepsonii Ellen Dean; Tammie Beyerl 2006-4-28 3013 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  CAS-BOT-BC226736  Leptosiphon latisectus Herbert L. Mason 1928-4-8 4289 Sonoma Coast, 2 miles north of Fort Ross Comment
  UCR261617  Leptosiphon latisectus Ann Howald 2003-3-8 2274 Sonoma Inner North Coast Ranges, Mayacamas Mountains, Sugarloaf Ridge State Park, McCormick Addition, c. 0.1 mile east of intersection of Headwaters Trail and Grandmother Oaks Trail 450 Comment
  JEPS87253  Lessingia arachnoidea Jack and Betty Guggolz 1992-8-29 1335 Sonoma 1 1/2 mi nw of Camp Meeker 45 Comment
  JEPS88031  Lessingia arachnoidea S. Markos 1996-6-29 114 Sonoma 2 mi N of on Bohemian Hwy Camp Meeker Comment
  CAS-BOT-BC324188  Lessingia hololeuca W. Spence 1960-9-13 630 Sonoma 2 miles south of Monte Rio on road to Camp Meeker and Occidental Comment
  UC912541  Lessingia ramulosa John Thomas Howell 1920-11-14 2250 Sonoma hills se Santa Rosa 83 Comment
  CAS-BOT-BC341999  Lessingia ramulosa J. P. Tryner 1938-9-1 s.n. Sonoma Near Wagnon Ranch, 4 miles west of Sebastopol Comment
  UCR255049  Leucanthemum vulgare Greg de Nevers 1998-5-20 11253 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD92466  Leymus X vancouverensis Beecher Crampton 1959-6-16 5402 Sonoma Doran Park, south end of Bodega Bay. Comment
  CAS-BOT-BC436537  Ligusticum apiifolium Alice Eastwood; John Thomas Howell 1939-6-11 7409 Sonoma Near Triniti P.O., Hood Mt. Range Comment
  CAS-BOT-BC451706  Lilaea scilloides Greg de Nevers 1997-5-30 11011 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  RSA178033  Lilaea scilloides Robert F. Thorne 1965-4-19 34275 Sonoma Titus Ranch, Valley Ford. 18 Comment
  CAS-BOT-BC130828  Lilium pardalinum Peter Rubtzoff 1951-7-21 498 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC130833  Lilium pardalinum Peter Rubtzoff 1955-7-17 1971 Sonoma Guerneville Marsh Comment
  UCD116499  Limnanthes douglasii G. F. Hrusa; R. Gross, A. Buckmann 1996-3-29 12740 Sonoma Napa Valley bottom, immediately S of Tubbs Lane, approx. 2 m. NW of Calistoga. 110 Comment
  UCD21131  Limnanthes douglasii subsp. rosea Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 306 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  UCD116447  Limnanthes douglasii var. nivea Robert F. Thorne 1965-4-19 34274 a Sonoma wet field on Titus Ranch, Valley Ford. 18 Comment
  JEPS86816  Limnanthes vinculans Jack and Betty Guggolz 1991-5-14 1136 Sonoma s Lone Pine Road (w of Hwy 116) 27 Comment
  RSA784683  Limnanthes vinculans Mark A. Elvin 1997-5-7 400 Sonoma S of W-end of E-W runway- Sta Rosa Air Center E Wright Av Comment
  CAS-BOT-BC258682  Limosella Peter Rubtzoff 1973-8-27 7271 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC249306  Limosella Peter Rubtzoff 1966-4-17 5675 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC249322  Limosella Peter Rubtzoff 1964-8-20 5469 Sonoma 1 mile southeast of Jenner (near crossing of Hwys. 1 & 12). Comment
  UC30170  Linanthus acicularis W. H. Brewer 1862-4-18 983 Sonoma Sonoma Comment
  SEINET6969972  Linanthus androsaceus W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma About 7.8 miles south-southeast of Annapolis. Northwest Sonoma County Comment
  UC52794  Linanthus androsaceus Milo S. Baker 1898-4-5 Sonoma near Gualala River Comment
  UC908795  Linanthus jepsonii Herbert L. Mason 1928-4-13 4339 Sonoma Reibli School, near springs Comment
  UC1763994  Linanthus latisectus Douglas W. Schemske 1993-4-30 1 C Sonoma Pepperwood Ranch Natural Preserve Comment
  UC23768  Linanthus parviflorus Willis L. Jepson 1893-5-1 Sonoma Knights Valley grade Napa River Basin Comment
  SEINET7067248  Linum bienne A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  UCD110566  Linum bienne William J. Costa 1968-5-18 36 Sonoma Shell Beach, ca. 1.5 air miles south of Jenner. 15 Comment
  NY388357  Linum spergulinum H. N. Bolander 06 1867 s.n. Sonoma Cloverdale Comment
  RSA476678  Lithocarpus densiflorus var. densiflorus Christopher Davidson 1977-6-17 5874 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  UCR265120  Lithophragma affine Ann Howald 2015-4-1 3315 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 520 Comment
  UC1299676  Lithophragma heterophyllum Freed W. Hoffman 1947-5-31 1859 Sonoma Chimney Rock near Monte Rio; North Coast Ranges, Chimney Rock near Monte Rio Comment
  CAS-BOT-BC437152  Lithophragma heterophyllum Elmer I. Applegate 1934-3-25 8844 Sonoma Sausal Creek, Pine Flat road, foothills of the Cayamaca Mountains 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
  CAS-BOT-BC342496  Logfia gallica G. DeNevers 1981-5-14 1145 Sonoma Pepperwood Ranch. On the trail across Hansel's driveway Comment
  UCD132737  Logfia gallica Frederica Bowcutt 1994-6-12 1855 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 75 yards, N of Adobe Canyon Road up Pony Gate Trail. 426 Comment
  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-BC283283  Lolium multiflorum John Thomas Howell; et al. 1981-5-14 53951 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-BC283294  Lolium multiflorum David L. Morgan 1956-5-13 s.n. Sonoma 3 miles W of Petaluma on I St. Ext. Comment
  UC573666  Lolium multiflorum H. S. Yates 1936-5-16 5581 Sonoma 1 mi ne Graton; Sebastopol Quadrangle Comment
  UCD84597  Lolium perenne Frederica Bowcutt 1994-6-12 1844 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. ca. 20 ft. Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  SD130502  Lomatium californicum F. Almeda, G. DeNevers 1981-4-28 4907 Sonoma Approximately I(c) mile from main gate to Pepperwood Ranch Natural Preserve just off Franz Valley Road Comment
  SD99412  Lomatium californicum Christopher Davidson 1977-6-20 6021 Sonoma Dry Creek Road, 9.3 miles west of Geyersville 89 Comment
  SEINET12121666  Lomatium californicum W. Knight, Knight, I.; Edwards, S. 1986-1 5294 Sonoma on Geysers Road between Geysers Resort site & CLoverdale Comment
  SD58303  Lomatium caruifolium W. L. Jepson 1921-6-2 9297 Sonoma Windsor. 49 Comment
  UCR45090  Lomatium dasycarpum L. F. LaPre 1986-3-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  SEINET7042396  Lomatium dasycarpum A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UCD127042  Lomatium dasycarpum subsp. dasycarpum Botany 102 Students 1993-5-8 262 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon. Comment
  UCD127043  Lomatium dasycarpum var. dasycarpum Frederica Bowcutt 1994-5-21 1803 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, about 2.5 air miles NE of Kenwood,. Along Meadow Trail, approx. 3/8 mile from trailhead. 1300 Comment
  POM117353  Lomatium macrocarpum Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UCD73920  Lomatium repostum G. Ledyard Stebbins 1966-5-1 6390 Sonoma Rincon Ridge, Chanate Road, 1/4 mile west of Montecito. Comment
  UCD144574  Lomatium repostum Frederica Bowcutt 1994-6-25 1922 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. Brushy Peaks Trail about 1/4 mi E from Gray Pine Trail. 670 Comment
  UC1076677  Lomatium utriculatum C. Ritchie Bell 1952-3-19 1247 Sonoma top of Larksur Rock Bodega; , Larkspur Rock Comment
  UCD137325  Lonicera hispidula C. Wistrom 1996-5-26 27 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  CDA31357  Lonicera hispidula var. vacillans D. G. Kelch 2010-5-3 10 .206 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CAS-BOT-BC243996  Lonicera involucrata var. ledebourii H. E. McMinn 1922-6-6 163 Sonoma Along stream in So. Sonoma Co., S. of Occidental Comment
  RSA177973  Lonicera involucrata var. ledebourii R. F. Thorne 1965-4-19 34268 Sonoma Halfway between Bloomfield and Valley Ford. 18 Comment
  CAS-BOT-BC293682  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rohnert Park., creek bed west of Commrece Blvd. crossing. Comment
  UCD106698  Lotus angustissimus Frederica Bowcutt 1984-6-23 429 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. Immed. SW of park entrance, W of Hwy 1 and NW of Gerstle Cove along park road. 30 Comment
  UC1129051  Lotus formosissimus H. S. Yates 1934-4-21 3792 Sonoma near Bodega; Sebastopol Quad. 91 Comment
  UCR126258  Lotus formosissimus G. F. Pratt 2003-3-28 s.n. Sonoma North Coast, Salt Point State Park, north end of park 25 Comment
  SEINET3131486  Lotus grandiflorus var. grandiflorus M. S. Baker sn Sonoma Near Occidental Comment
  UC80808  Lotus heermannii Alice Eastwood 1899-6-9 Sonoma Bodega Point 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
  UC58330  Lotus junceus A. A. Heller 1903-4-25 6597 Sonoma Fort Ross Comment
  UC454673  Lotus oblongifolius var. oblongifolius I. J. Condit 1908-8-14 Sonoma Sebastopol Comment
  UC726745  Lotus purshianus var. purshianus A. A. Heller 1941-8-8 16278 Sonoma w of Petrified Forest Comment
  RSA31648  Lotus unifoliolatus A. A. Heller 1941-8-8 16278 Sonoma West of the Petrified Forest. Comment
  UC726330  Lotus wrangelianus A. A. Heller 1937-5-1 16175 Sonoma n of Bodega Bay Comment
  SEINET3523654 Image available Lotus wrangelianus A. A. Heller 1937-5-1 16175 Sonoma Foot of the bluff north of Bodega Bay Comment
  RSA262212  Ludwigia hexapetala Peter Rubtzoff 1970-9-8 6383 Sonoma Sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  CAS-BOT-BC258913  Ludwigia palustris Peter Rubtzoff 1969-8-24 6149 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  CAS-BOT-BC258924  Ludwigia palustris Peter Rubtzoff 1958-7-19 3758 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC173514  Ludwigia peploides Peter Rubtzoff 1955-7-9 1937 Sonoma Forestville Marsh Comment
  UCD65950  Ludwigia peploides subsp. peploides B. J. Grewell 2006-9-19 06- 74 -LU Sonoma Spring Lake, Sonoma County Park. Santa Rosa, CA. Shoreline near kayak rental and concession area at Spring Creek overflow spillway. 90 Comment
  CAS-BOT-BC198293  Lupinus Milo S. Baker 1935-5-1 8066 Sonoma Near south end of bridge on Russian River near Jenner. Comment
  CAS-BOT-BC201287  Lupinus Charles Piper Smith 1947-6-19 47526 Sonoma Mark West Road near Petrified Forest Comment
  UC1299684  Lupinus adsurgens Freed W. Hoffman 1949-6-5 3218 Sonoma summit of road leading from Lake County to Pine Flat; North Coast Ranges, rd fr Lake County to Pine Flat Comment
  UC727738  Lupinus affinis Milo S. Baker 1946-4-2 11304 Sonoma southern outskirts of El Verano ( along bank of winter stream at hwy. bridge) Comment
  UCR2994  Lupinus albifrons Wm. Horn Jr. 1963-4-10 630410- 01 Sonoma Coast Range, 0.25 mi N on Jonive Rd. at a point 5 mi west of Sebastopol on Bodega Hwy 168 Comment
  SEINET12164398  Lupinus albifrons F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -104 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  CAS-BOT-BC195973  Lupinus albifrons var. albifrons Milo S. Baker 1934-1-1 9481 Sonoma Cunningham Marsh Comment
  CHSC904  Lupinus arboreus A. Small 1954-6-4 Sonoma Doran Park. Comment
  JEPS64942  Lupinus arboreus W. L. Jepson 1931-7-19 15952 Sonoma near Markham; Russian River Comment
  UC82055  Lupinus arboreus Michener and Bioletti May 1894 Sonoma Bodega Bay 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
  SEINET10485230  Lupinus densiflorus var. crinitus A. Arthur Heller 1938-5-14 Heller 15091 Sonoma Grassy roadside banks near two rooks, w of petaluma, growing in dense colonies In clay soil. Fresh fls mostly deep violet. Humid transition life zone. Comment
  RSA442341  Lupinus densiflorus var. densiflorus E. A. Purer 1932-7-24 s.n. Sonoma near Bodega bay. Comment
  UC725356  Lupinus formosus A. A. Heller 1940-5-17 15638 Sonoma 2 mi e Shellville (along State Hwy 37); ; E of Shellville along State Hwy. 37. Upper Sonoran Life Zone. Comment
  POM299299  Lupinus formosus var. formosus H. C. Cantelow 1936-5-13 s.n. Sonoma 1/2 mile north of El Serano. Comment
  RSA3044  Lupinus formosus var. formosus Carl B. Wolf 1931-8-23 2345 Sonoma Along Redwood Highway, 1 mile south of Cloverdale. 91 Comment
  SEINET10490799  Lupinus latifolius subsp. latifolius Joseph W. Congdon 1880-6-5 Congdon s.n. Sonoma Petaluma. Morphology study voucher. Comment
  OBI59275  Lupinus leucophyllus Rhonda Riggins 1993-6-23 1693 Sonoma 5 mi N of Bodega Bay along hwy 1 Comment
  NY15940  Lupinus lutosus A. A. Heller 1940-4-22 15546 Sonoma Alexander Valley. Lower Sonoran Life Zone. Comment
  SEINET5790384 Image available Lupinus microcarpus Marcus E. Jones 1882-1 3329 Sonoma Duncan's Mills Comment
  SDSU5019  Lupinus microcarpus var. microcarpus D. F. Howe 1962-5-24 3317 Sonoma Bodega Bay. Comment
  UC1129626  Lupinus nanus B. Schreiber 1936-3-5 2212 Sonoma 2 mi wnw Mark West Springs; Healdsburg Quad., wnw of Mark West Springs 121 Comment
  UC727108  Lupinus nanus A. A. Heller 1940-4-22 15549 Sonoma along State Highway #12 e Santa Rosa; e of Santa Rosa Comment
  UCD150845  Lupinus nanus 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
  CDA27562  Lupinus nanus T. C. Fuller 1977-4-21 20191 Sonoma Church of Christ property, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  SEINET5558926  Lupinus nanus H. S. Gentry 1962-1 19702 Sonoma Oakville. Comment
  UCD108932  Lupinus nanus Frederica Bowcutt 1996-3-24 2083 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. 0.5 air mile SSE of Red Mountain. Near large rock outcrop/Vista Rock along Vista Trail. 563 Comment
  UC865365  Lupinus pachylobus Alice Eastwood 1918-5-1 6844 Sonoma Mt. St. Helena Comment
  UC82220  Lupinus pachylobus Alice Eastwood 1900-4-7 Sonoma Altruria Comment
  CAS-BOT-BC320548  Lupinus polycarpus Peter Rubtzoff 1969-5-11 6045 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  SEINET10837860  Lupinus polyphyllus Joseph W. Congdon 1880-7-1 Congdon s.n. Sonoma Two rock road. Comment
  CDA27567  Lupinus polyphyllus var. polyphyllus D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  UC16007  Lupinus polyphyllus var. polyphyllus F. T. Bioletti 1892-1 Sonoma Comment
  CAS-BOT-BC376259  Lupinus sericatus Greg de Nevers 1996-5-31 10821 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Oak Hill Ranch, Devil's Kitchen 487 Comment
  JEPS83025  Lupinus sericatus Roger Raiche 1984-3-25 40074 Sonoma from Kelly Road near Rockpile Road sw Cloverdale ((about 11 1/2 mi n of its origin (Rockpile) at intersection with Skaggs Springs-Stewarts Point Road)); sw of Cloverdale Comment
  SEINET11162204  Lupinus tidestromii W. S. Cooper Sonoma Comment
  UC1129737  Lupinus variicolor H. S. Yates 1934-4-21 3776 Sonoma near Bodega; Sebastopol Quadrangle Comment
  JEPS116509  Lupinus variicolor Peter Warner 2009-6-2 118 Sonoma Poff Ranch, Wright Hill Road off State Hwy 1, on N-facing slope about 1.5 km ENE of ranch house and barn 276 Comment
  POM304144  Lupinus variicolor H. C. Cantelow 1940-4-20 s.n. Sonoma 2 miles S of S. end of Russian River Bridge, Highway 1. Comment
  UCD166736  Luzula Peter Rubtzoff 1955-6-4 1900 Sonoma Forestville Marsh. Comment
  UC570331  Luzula comosa H. S. Yates 1936-5-16 5591 Sonoma two mi se Forestville; Sebastopol Quad., se of Forestville 30 Comment
  UCD142080  Luzula comosa G. F. Hrusa; R. Gross 1996-3-8 12658 Sonoma on lower SE facing slope on S side of Foote Creek. Foote Ranch at corner of Ida Clayton Road and Highway 128. 250 Comment
  UCD160141  Luzula subsessilis James A. Neilson Jr. 1974-3-27 3017 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  CAS-BOT-BC441394  Luzula subsessilis Mrs. H. C. Cantelow 1939-4-10 s.n. Sonoma About 1.6 miles S of Russian River Bridge Comment
  RSA0015993  Lythrum hyssopifolia Peter Rubtzoff 1958-7-20 3784 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  RSA0017436  Lythrum hyssopifolia Marcus E. Jones 1931-7-5 29036 Sonoma The Geysers. Comment
  SEINET12193549  Lythrum hyssopifolia W. Knight, Knight, I. 1983-1 4719 Sonoma Sonoma Mountain Rd #2 at former Jack London property at old Wake Robin Lodge site Comment
  UCD166068  Madia Peter Rubtzoff; H. A. Froebe 1971-5-30 6457 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC173556  Madia Peter Rubtzoff 1975-8-28 8361 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC227610  Madia Peter Rubtzoff 1974-5-18 7415 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC344047  Madia elegans James McMurphy 1908-9-27 s.n. Sonoma 2 mi. S. of Fulton Comment
  UC75902  Madia elegans Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  RSA81543  Madia elegans subsp. densifolia James I. McMurphy 1909-8-10 716 Sonoma West Santa Rosa Comment
  CAS-BOT-BC344549  Madia exigua Peter Rubtzoff 1952-6-10 1207 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC344551  Madia exigua Roxana S. Ferris; Laura Lorraine 1961-6-15 13564 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road Comment
  SD254541  Madia exigua Ann Howald, Christina Freeman 2015-1-1 3414 Sonoma Inner North Coast Ranges: Annadel State Park, Lawndale wetlands, northeast of intersection of Lawndale and Marsh trails (Kenwood 7.5'Q) 370 Comment
  CAS-BOT-BC343469  Madia gracilis D. E. Breedlove 1980-6-27 44748 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC33208  Madia gracilis Harley P. Chandler 1900-5-25 663 Sonoma Bodega Comment
  UC598735  Madia gracilis John Bright 1936-5-2 13114 Sonoma near Healdsburg Comment
  SEINET11807611  Madia madioides F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -164 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 330 Comment
  UC485307  Madia sativa Katharine Brandegee Sonoma Bodega Comment
  CAS-BOT-BC345259  Madia sativa David D. Keck 1933-11-6 2653 Sonoma 6.5 mi. N. of Jenner Comment
  OBI33913  Madia sativa David J. Keil 1983-6-29 17197 Sonoma 5 mi N of Bodega Bay along hwy 1 Comment
  SD88309  Maianthemum racemosum subsp. amplexicaule Darley F. Howe 1972-5-2 Sonoma Trail above Duncan Mills Road. Comment
  POM169294  Maianthemum stellatum A. A. Heller, H. E. Brown 1902-4-15 5297 Sonoma Santa Rosa Creek Comment
  UC479391  Malacothrix floccifera Marcus E. Jones, A. M. 1931-8-3 29094 Sonoma Cloverdale Comment
  UCD158739  Malacothrix floccifera James A. Neilson Jr. 1973-7-10 2827 Sonoma Mayacmas Mountains. The Geysers. (Elevation estimated using Google Earth by label maker.) 441 Comment
  UC1042431  Malus pumila var. domestica Peter Rubtzoff 1951-11-24 847 Sonoma near Forestville (Pitkin Marsh, Upper Marsh, uppermost part of w branch); Pitkin Marsh Comment
  UCD116558  Malva nicaeensis Mary M. Hektner 1976-4-3 240 Sonoma Along fence and road at Sea Ranch Association Office, Sea Ranch, near State Highway 1. Comment
  UCD107560  Marah oregana M. Wiesendanger 1927-5-5 726 Sonoma Kenwood Springs. Comment
  RSA128555  Marah oregana P. H. Raven 1950-4-6 1601 Sonoma Lower slopes of Rincon Ridge. Comment
  POM55040  Matricaria matricarioides A. A. Heller, H. E. Brown 1902-6-2 5635 Sonoma Santa Rosa. Comment
  CAS-BOT-BC348313  Matricaria occidentalis Peter Rubtzoff 1972-5-25 6772 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC422696  Meconella californica Alice Eastwood 1917-5-13 s.n. Sonoma On the road to Bodega Point Comment
  RSA800063  Medicago lupulina Peter Rubtzoff 1969-6-22 6102 Sonoma Forest Hills, 5.5 mi east of Guerneville at 9981 Old River Road. Comment
  UC55048  Melica aristata Jos. Burtt Davy Jul 1896 Sonoma Russian River Comment
  CAS-BOT-BC281273  Melica geyeri Peter Rubtzoff 1952-6-10 1202 Sonoma NE slopes of Fitch Mountain, near Healdsburg Comment
  UCD160976  Melica geyeri James A. Neilson Jr. 1975-7-8 3338 Sonoma Mayacmas Mountains. Socrates Mine. (Elevation and coordinates estimated by label maker.) 914 Comment
  UC1132277  Melica harfordii H. S. Yates 1937-5-31 6563 Sonoma 1 mi wsw Petrified Forest; Calistoga Quad. 274 Comment
  UCD87520  Melica harfordii P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis Road. Comment
  UCD87521  Melica harfordii P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis Road. 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-BC262555  Melica torreyana G. DeNevers 1981-4-27 883 Sonoma Pepperwood Ranch. On the ridge NW of the Garrison House Comment
  CAS-BOT-BC262558  Melica torreyana Peter Rubtzoff 1952-6-3 1161 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  UCD89203  Melica torreyana R. Tofsrud 1942-4-1 s.n. Sonoma Road to 'Top O'World. Comment
  POM348173  Melilotus albus Christopher Davidson 1977-6-17 5877 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  CAS-BOT-BC268121  Melilotus indicus Peter Rubtzoff 1953-11-1 1432 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC164405  Melissa Peter Rubtzoff 1973-8-28 7277 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC164085  Mentha Peter Rubtzoff 1966-10-9 5831 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC166905  Mentha Peter Rubtzoff 1955-8-28 2113 Sonoma Guerneville region. Vacation Beach, near Guerneville; Russian River. Comment
  UCR244599  Mentha X piperita Peter Rubtzoff 1960-9-17 4564 Sonoma Laguna de Santa Rosa northeast of Graton, near Guerneville Road Comment
  JEPS63450  Mentha pulegium W. L. Jepson 1931-7-19 15938 Sonoma Watson School Bodega (Bodega) 152 Comment
  CAS-BOT-BC164084  Mentha pulegium Peter Rubtzoff 1955-10-12 2165 Sonoma Duncans Mills Marsh, lower portion of marsh. Comment
  RSA785149  Mentha rotundifolia Peter Rubtzoff 1973-8-28 7276 Sonoma Upper Green Valley Marsh. Comment
  UCR244649  Mentha rotundifolia Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh 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
  UC727708  Mentha spicata Milo S. Baker 1946-8-17 11567 Sonoma hiwy between Sebastopol and Cunningham Comment
  UCR244651  Mentha spicata Peter Rubtzoff 1975-8-28 8360 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC166908  Mentha spicata Peter Rubtzoff 1961-8-24 4708 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC428956  Micranthes californica Elmer I. Applegate 1934-3-25 8843 Sonoma Sausal Creek on road to Pine Flat, west slope of Mayacama Mountains Comment
  CAS-BOT-BC322615  Micropus amphibolus John Thomas Howell 1948-4-18 24203 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC348619  Micropus californicus var. californicus Greg de Nevers; Frank Almeda 1987-4-11 8149 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  SEINET11601910 Image available Microseris bigelovii P. Kamb, F. Chisaki 1952-6-21 2304 Sonoma Fort Ross Comment
  UC1740984  Microseris douglasii subsp. douglasii K. L. Chambers 2000-5-5 6191 Sonoma Rockpile Road, w of Geyserville Gray Pine Flat; Lake Sonoma Comment
  CAS-BOT-BC349107  Microseris douglasii subsp. tenella Alice Eastwood 1921-5-8 10450 Sonoma Petaluma Comment
  CAS-BOT-BC322712  Microseris laciniata John Thomas Howell; Alice Eastwood 1936-5-19 2503 Sonoma 11 miles north of Santa Rosa Comment
  RSA784490  Microseris laciniata subsp. laciniata Peter Rubtzoff, Nancy Harrison, Doug Jones 1974-6-8 7576 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC311864  Mimulus Peter Rubtzoff 1953-5-16 1357 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC311868  Mimulus Peter Rubtzoff 1954-9-4 1729 Sonoma Bodega Head Marsh. Comment
  RSA0025397  Mimulus Peter Rubtzoff 1955-7-9 1933 Sonoma Forestville Marsh. Comment
  JEPS27319  Mimulus aurantiacus var. aurantiacus Eleanor Armstrong May 1932 503 Sonoma near Camp Meeker 121 Comment
  JEPS87263  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-5 1113 Sonoma n Boyes Hot Springs (0.6 mi e of Hwy. 12 along Cavedale Road) 160 Comment
  RSA550833  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-4 1111 Sonoma 7.0 mi S of Mendocino co. line along Hwy 1; 0.5 mi N of Black Point Beach access road 96 Comment
  UC1193339  Mimulus aurantiacus var. aurantiacus R. H. Neuns 1950-5-8 108 Sonoma 5 mi e Geyserville; Quad. 60B3 457 Comment
  UC885691  Mimulus aurantiacus var. aurantiacus Lewis S. Rose 1941-5-22 41249 Sonoma 4 mi e Santa Rosa; Rincon Ridge 121 Comment
  JEPS86943  Mimulus congdonii David M. Thompson 1989-4-4 994 Sonoma ca. 3 air mi e Glen Ellen (3.9 mi ne of Hwy 12 along Cavedale Road, w side of road, 5 ft s of entrance to 3845-3850-3860 private driveway) 180 Comment
  POM5158  Mimulus kelloggii A. A. Heller, H. E. Brown 1902-3-25 5146 Sonoma Near Mark West Springs Comment
  JEPS12347  Mimulus microphyllus Francis W. Pennell Jul 2 1940-Jul 3 1940 26039 Sonoma ne Kenwood Springs 396 Comment
  UCD122689  Mimulus microphyllus Janet McIntosh 1966-4-27 21 Sonoma 8 miles east of Petaluma, State Highway 116. 76 Comment
  UC103685  Mimulus nasutus unknown May 1891 Sonoma Cloverdale Comment
  UC445171  Mimulus tricolor Milo S. Baker 1899-5-6 Sonoma sw Santa Rosa Comment
  RSA54056  Minuartia californica J. T. Howell 1948-4-18 24207 Sonoma Hills east of Agua Caliente. Comment
  UC727745  Minuartia californica Milo S. Baker 1946-4-2 11301 Sonoma rock outcrop just s Agua Caliente (along Sonoma-Santa Rosa Hwy, e side) Comment
  CAS-BOT-BC388892  Minuartia douglasii Roxana S. Ferris; Laura Lorraine 1961-6-14 13522 Sonoma Junction of Bittner Rd. with Joy Rd., between Occidental and Bodega Comment
  JEPS18124  Minuartia douglasii Rimo Bacigalupi with G. T. Robbins and F. Hoffmann May 1956 5674 Sonoma The Butcher Knife (R12W) Big Austin Creek (at base, along secondary road following creek) 182 Comment
  UCD98267  Minuartia douglasii Roxana S. Ferris; Laura Lorraine 1961-6-14 13522 Sonoma junction of Bittner Road with Joy Road, between Occidental and Bodega. Comment
  JEPS42871  Mollugo verticillata Alice King Oct. 1896 Sonoma Russian River, Healdsburg Russian River; , Healdsburg Comment
  NY429328  Monardella coriacea A. A. Heller 1902-7-8 5812 Sonoma Sandy bank of Russian River at Healdsburg Comment
  UC761791  Monardella purpurea R. F. Hoover 1942-7-13 5915 Sonoma 3 mi s Monte Rio Comment
  UCD125297  Monardella villosa Mary M. Hektner; Cathy Hendel 1974-6-28 84 Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  LA62455  Monardella villosa Merle Randall; 1930-6-13 sn Sonoma Alamere Creek 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
  CHSC67999  Monardella villosa subsp. franciscana Jack Guggolz 1991-6-19 1194 Sonoma About 1/8 mile from the ocean and 1/2 mile south of the intersection of the Meyers Grade and Hwy 1. 182 Comment
  CAS-BOT-BC314158  Monardella villosa subsp. subserrata Peter Rubtzoff 1952-6-13 1256 Sonoma NE slopes of Fitch Mtn, near Healdsburg. Comment
  POM19716  Monardella villosa subsp. villosa A. A. Heller 1902-7-8 5812 Sonoma Russian River at Healdsburg. Comment
  RSA518858  Monardella viridis Roger Raiche 1987-7-5 70380 Sonoma N of Cazadero, The Cedars, Big Austin Creek drainage, between Gravelly Springs and Red Slide Creek. 305 Comment
  JEPS87252  Monardella viridis subsp. viridis Jack and Betty Guggolz 1992-7-25 1332 Sonoma 4 1/2 mi sw Geyserville (about 5/8 mi ssw of Bradford Mountain) 292 Comment
  SJSU476  Morus alba A. W. Jacobs 1940-5-29 Sonoma Luther Burbank Gardens, Santa Rosa Comment
  CDA5598  Myosotis discolor T. C. Fuller 1958-5-24 3984 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  RSA227203  Myosotis discolor Peter Rubtzoff 1962-6-19 4917 Sonoma Occidental Marsh. Comment
  UCSB5631  Myosotis discolor Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; northwest of Sebastopol; 1 miles north of Sousa Corners Comment
  RSA800352  Myosurus Peter Rubtzoff 1966-4-17 5672 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UCR244634  Myriophyllum hippuroides Peter Rubtzoff 1955-7-16 1966 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  UCR244643  Myriophyllum hippuroides Peter Rubtzoff 1966-8-21 5797 Sonoma Atascadero Creek Marsh 29 Comment
  CAS-BOT-BC251162  Myriophyllum hippuroides Peter Rubtzoff 1966-8-26 5813 Sonoma Atascadero Creek Marsh. Comment
  RSA800843  Myriophyllum verticillatum Peter Rubtzoff 1955-8-13 2039 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  UC768841  Nassella lepida Robert F. Hoover 1941-6-7 5313 Sonoma two mi se Monte Rio (on road to Camp Meeker) Comment
  UCD36692  Nassella lepida Beecher Crampton 1955-6-17 2952 Sonoma 4.5 miles S of Cazadero. Comment
  SEINET7040130  Nassella pulchra A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  SEINET7042683  Nassella pulchra A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UCD87690  Nassella pulchra M. Wiesendanger 1927-5-5 714 Sonoma Sonoma. Comment
  UCD161268  Nasturtium officinale James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3684 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of Big Sulphur Creek and the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC361343  Navarretia Greg de Nevers 1997-4-24 10969 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA0065153  Navarretia Greg de Nevers 1997-8-17 11075 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. Oak Hill Ranch. 100 Comment
  CAS-BOT-BC230265  Navarretia cotulifolia Miss May 1885-6-1 s.n. Sonoma Santa Rosa Comment
  UC1008714  Navarretia heterodoxa Beecher Crampton 1950-6-27 597 Sonoma 6 mi ne Glen Ellen (on Trinity Road) Comment
  UCR30586  Navarretia intertexta John C. Roos 1950-7-22 4876 Sonoma North Coast Range, 2 miles east of Duncan Mills 61 Comment
  HSC100966  Navarretia intertexta subsp. intertexta Peter Warner, Sarah Gordon 2011-5-27 205 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), ~675 m, N75 deg. E from main residence, E from Mark West Creek Rd., S of 2nd bridge below power lines. 159 Comment
  CAS-BOT-BC230366  Navarretia leucocephala subsp. bakeri Peter Rubtzoff 1974-5-26 7493 Sonoma Todd Road 1.5 miles from Highway 116 and 0.5 mile from (W of) Llano Road Comment
  CAS-BOT-BC232685  Navarretia pubescens Milo S. Baker 1927-5-17 2157 a Sonoma Bennett Valley Road, 0.5 mile W of Sonoma Creek Bridge Comment
  CAS-BOT-BC232688  Navarretia pubescens James McMurphy 1909-5-29 s.n. Sonoma Canyon near Geyserville Comment
  SD38214  Navarretia squarrosa Edith A. Purer 1932-7-21 4043 Sonoma Bodega Bay, sandy bluff Comment
  UCD48686  Navarretia squarrosa Charles B. Heiser Jr. 1946-8-17 1826 Sonoma Banks of Russian River, near Duncan Mills. Comment
  UCR118961  Navarretia squarrosa Beecher Crampton 1957-7-11 4313 Sonoma Central coast, State Highway 1, 1.25 miles southeast Bodega Bay 15 Comment
  SEINET191457  Navarretia tagetina Lewis S. Rose 1940-5-22 40373 Sonoma Sonomoa 30 Comment
  CHSC23124  Nemophila menziesii Robert A. Schlising 1962-3-31 2110 Sonoma In pastured field. Comment
  UC24256  Nemophila menziesii var. atomaria W. A. Setchell March, 1898 Sonoma Cloverdale Comment
  CAS-BOT-BC231193  Nemophila parviflora Roxana S. Ferris; Laura Lorraine 1961-6-14 13529 Sonoma Junction of Bittner Road with Joy Road between Occidental and Bodega Comment
  CAS-BOT-BC157975  Nicotiana Peter Rubtzoff 1961-8-24 4699 Sonoma Fife Creek Marsh, in creek bed Comment
  UC111229  Nicotiana acuminata var. multiflora W. A. Setchell 1906-9-3 Sonoma near Monte Rio Comment
  SD133974  Nicotiana quadrivalvis Barbara Ertter 1988-11-5 8030 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge 152 Comment
  JEPS128195  Notholithocarpus densiflorus var. densiflorus Roger Raiche 1999-12-4 052 .99 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC161225  Nuphar lutea subsp. polysepala V. King Chesnut Jul 1 1887-Aug 1 1887 Sonoma Santa Rosa Comment
  CAS-BOT-BC140452  Oemleria cerasiformis A. A. Heller; H. E. Brown 1902-3-12 5043 Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  CAS-BOT-BC368058  Oemleria cerasiformis Greg de Nevers 1998-5-20 11255 Sonoma Mark West Creek on Cresta Ranch Comment
  UCD15529  Oenothera cheiranthifolia Gregory J. Lowenberg 1988-4-16 22 Sonoma 100 m E. of Horshoe Cove, Bodega Head. 12 Comment
  CDA36827  Onopordum illyricum Andrew Smith 2011-12-21 PDR# 1604230 Sonoma Santa Rosa; Pepperwood Preserve; 3450 Franz Valley Rd., near Mark West Springs Rd. 0 Comment
  CAS-BOT-BC499695  Orobanche californica subsp. californica Cecilia Zanelli 1925-9-1 s.n. Sonoma Plantation Comment
  UC27866  Orobanche fasciculata F. T. Bioletti 1892-1 Sonoma Sonoma. Comment
  CAS-BOT-BC500193  Orobanche fasciculata G. DeNevers 1981-7-31 1771 Sonoma Bodega Head, at Duncan's Landing Comment
  RSA66918  Orthocarpus attenuatus E. K. Balls 1951-5-3 16405 Sonoma Ca. 1 mi. e. from Petrified Forest, road to Calistoga 610 Comment
  POM15358  Orthocarpus pusillus A. A. Heller, H. E. Brown 1902-4-8 5230 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  RSA177935  Osmorhiza berteroi R. F. Thorne 1965-4-20 34331 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UC1295818  Osmorhiza berteroi unknown 1892-2 Sonoma Petrified Forest Comment
  JEPS76915  Oxalis oregana Robert M. Lloyd 1963-2-24 2047 Sonoma 1/2 mi n Occidental (abandoned picnic ground, on rd to Camp Meeks) 45 Comment
  UC1130245  Oxalis oregana E. Armstrong 1934-3-26 914 Sonoma 1 mi n Camp Meeker; Sebastopol quad 121 Comment
  UC971947  Oxalis oregana Martha Meagher 1947-3-23 93 Sonoma 1/2 mi w Freezout (across Russion River from Duncan's Mills) Comment
  UCD110992  Oxalis pilosa K. Esau 1932-5-2 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC316926  Packera greenei Helen Katherine Sharsmith 1952-6-18 4127 Sonoma Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains. 975 Comment
  CAS-BOT-BC376436  Panicum Greg de Nevers 1996-9-22 10878 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Mark West Creek at Leslie Creek. 400 Comment
  UC1254542  Panicum acuminatum var. acuminatum R. Spellenberg 1964-6-15 402 Sonoma 17 mi e Geyserville; The Geysers, e of Geyserville Comment
  UCD32827  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 e 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.). South slope below steam well vent just below bubbling hat spring. 493 Comment
  UCD89125  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 c Sonoma North East part of county. The Geysers. Comment
  UCD89126  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 d 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
  JEPS30838  Parapholis incurva Rimo Bacigalupi and L. R. Heckard 1962-6-19 8594 Sonoma just above beach line on Bodega Harbor side Bodega Head (opposite spit of Doran Beach); Bodega Harbor side of Bodega Head, opposite Doran Beach Comment
  UCD88623  Parapholis incurva Beecher Crampton 1957-7-11 4342 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  JEPS112829  Parentucellia viscosa Dean W. Taylor 1994-5-4 14218 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  UCD123254  Parentucellia viscosa Gerald D. Carr 1972-4-25 693 Sonoma 0.4 mi W of Westside Rd. on Mill Cr. Rd. Comment
  UCSB31794  Parentucellia viscosa Townsend, J. 1977-5-30 Sonoma South side calif. state 1166, 2 miles south of Forestville 365 Comment
  CAS-BOT-BC154998  Paspalum Peter Rubtzoff 1971-8-31 6662 Sonoma Todd Road, near Stony Point Road. Comment
  CAS-BOT-BC154990  Paspalum distichum Peter Rubtzoff 1965-8-16 5607 Sonoma Russina River margin at Forest Hills (5.5 miles E of Guerneville). 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
  UC886640  Pedicularis densiflora Alice Eastwood 1918-5-1 6811 Sonoma Mount St. Helena Comment
  UCD151134  Pedicularis densiflora James A. Neilson Jr. 1973-6-6 3442 Sonoma Mayacmas Mountains. The Geysers. Site III B. (Location of Site III B taken from Neilson 3566 which says it is near Geyser Rock.) 1097 Comment
  UCD137553  Pellaea andromedifolia Frederica Bowcutt 1994-6-12 1870 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Pony Gate Trail above Adobe Canyon Road (road visable from trail). Less than 1/8 mile SW of trail juncture with Pony Gate Gulch Creek. 326 Comment
  UCD151085  Pellaea mucronata James A. Neilson Jr. 1974-6-1 2769 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, ca. 3 1/2 mi. west of Whispering Pines, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  CDA14391  Pennisetum clandestinum L. Correia 1996-4-15 Sonoma from vacant lot in San Francisco to be planted at Thornton Ranch, 19600 Brookline, Sonoma. 0 Comment
  SEINET12326114  Penstemon heterophyllus W. Knight, Knight, I. 1983-1 4710 Sonoma Calistoga Rd 2.5 mi from State Route 12,300 yds S of summit 152 Comment
  UC887072  Penstemon heterophyllus var. heterophyllus Alice Eastwood 1915-6-5 4611 Sonoma Petrified Forest Comment
  UC27595  Penstemon heterophyllus var. purdyi State Survey 1890-1 6540 Sonoma Russian River bed at Cloverdale; Russian River bed at Cloverdale Comment
  SEINET12332457  Pentagramma triangularis F. H. Utech 1988-1 88 -226 Sonoma 3 mi S of Ft. Ross Historic Site and junction with Ft. Ross Road on CA 1 (Coastal Hwy) Mile 29.90 100 Comment
  CAS-BOT-BC222746  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-7-30 5778 Sonoma Atascadero Creek Marsh Comment
  UC1329520  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-9-16 5883 Sonoma Upper Marsh Pitkin Marsh (southern part, near Forestville) Comment
  CDA13804  Perideridia howellii G. F. Hrusa, A. Buckmann 1996-10-5 13584 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. Comment
  UCD127852  Perideridia kelloggii K. Esau 1935-7-19 s.n. Sonoma Near Petaluma Comment
  UCD127853  Perideridia kelloggii Mary M. Hektner 1976-10-19 271 Sonoma north of draw by intersection of Pacific Reach Road and Wilel Moor Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC1312895  Perideridia oregana Lincoln Constance, Tsan-Iang Chuan, and Charles F. Quibell 1967-7-9 3790 Sonoma 1.5 mi nw The Geysers (above creek); Big Sulphur Creek 441 Comment
  CAS-BOT-BC413662  Persicaria amphibia Peter Rubtzoff 1963-7-14 5198 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC413637  Persicaria amphibia Peter Rubtzoff 1971-6-25 6554 Sonoma Off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing Comment
  CAS-BOT-BC258010  Persicaria hydropiper Peter Rubtzoff 1973-8-20 7223 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC418917  Persicaria hydropiperoides Peter Rubtzoff 1958-8-9 3859 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CAS-BOT-BC419112  Persicaria lapathifolia Peter Rubtzoff 1955-8-7 2030 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC419266  Persicaria maculosa Peter Rubtzoff 1951-7-14 4 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC419416  Persicaria punctata Mary P. Wells 1985-7-7 539 Sonoma Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC419422  Persicaria punctata Peter Rubtzoff 1952-10-26 1334 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  CAS-BOT-BC330277  Petasites frigidus var. palmatus Walter Knight; Irja Knight; Dr. Stephen W. Edwards 1986-8-17 5512 Sonoma 4.85 mi from end of Mill Creek Road. Comment
  UC726925  Phacelia bolanderi A. A. Heller 1940-5-10 15603 Sonoma near bridge spanning the Gualala River (on road between Stewart Point and Skagg's Springs) Comment
  POM299082  Phacelia californica J. T. Howell 1930-7-27 5403 Sonoma One mile north of Fort Ross. Comment
  RSA26566  Phacelia californica J. T. Howell 1930-7-27 5403 Sonoma One mile north of Fort Ross. Comment
  UC1047008  Phacelia californica L. R. Heckard and P. C. Silva 1952-4-14 219 Sonoma along state hwy 1 just s Goat Rock Comment
  UC1333289  Phacelia californica Malcolm L. Byce 1936-3-21 147 Sonoma 1 1/2 mi e Bodega Bay; Larkspur Rock Comment
  UC1047018  Phacelia corymbosa L. R. Heckard and C. R. Bell 1951-6-12 154 Sonoma ridge above Pine Flat (reached by road from Alexander Valley to Middletown) Comment
  CAS-BOT-BC361355  Phacelia distans Greg de Nevers 1997-4-16 10943 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  JEPS2011  Phacelia distans Willis L. Jepson 1893-4-25 21016 Sonoma mts. w Mt. St. Helena (trail to Caux's Cabin); Napa River Basin Comment
  RSA26565  Phacelia distans J. T. Howell 1929-6-9 4306 Sonoma Near Petrified Forest. Comment
  RSA32660  Phacelia distans Doris K. Kildale 1928-4-1 4398 Sonoma Cloverdale Grade Comment
  RSA178039  Phacelia imbricata subsp. imbricata Robert F. Thorne 1965-4-20 34390 Sonoma Los Alamos Road, ca. one to two miles northeast of State Highway 12. Comment
  SD99425  Phacelia imbricata var. imbricata Christopher Davidson 1977-6-20 6019 Sonoma Dry Creek Road, 9.3 miles west of Geyserville. 91 Comment
  UC1051811  Phacelia nemoralis subsp. nemoralis L. R. Heckard 1952-4-14 226 Sonoma roadcuts and roadsides about 2.5 mi e Alexander Flat (along rd to Pine Valley) 60 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
  CAS-BOT-BC259024  Phalaris californica Peter Rubtzoff 1962-5-11 4828 Sonoma Freestone Marsh Comment
  UCD88569  Phalaris californica P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UCD164098  Phalaris lemmonii Peter Rubtzoff; Nancy Harrison 1978-5-20 9175 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road (off N side of road, in Todd Road Wildflower Preserve). Comment
  UCD88894  Phalaris lemmonii Beecher Crampton 1965-5-13 7342 Sonoma 4 miles S of Geyserville, Lytton. Comment
  CAS-BOT-BC250743  Phalaris paradoxa Peter Rubtzoff 1962-4-18 4802 Sonoma Border of Highway #101 east of Petaluma Comment
  RSA129159  Phalaris paradoxa H. S. Yates 1937-6-5 6572 Sonoma 5 mi W. of Sonoma 91 Comment
  CAS-BOT-BC222474  Pholistoma Saichi Kawahara 1968-4-20 316 Sonoma 3 miles northeast of Lakeville Road 76 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
  UC762700  Phoradendron densum Robert F. Hoover 1941-6-7 5311 Sonoma 2 mi. s.e. Monte Rio (on rd. to Camp Meeker) Comment
  UCD102207  Phoradendron leucarpum subsp. tomentosum Frederica Bowcutt 1997-7-19 2191 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.5 air miles SSE of Red Mountain, Mid-slope on S facing side of Adobe Canyon along Vista Trail just E. of Vista Rock (prominent metamorphic rock outcrop). 579 Comment
  UC1981710  Phyllospadix R. Ghelardi 1962-10-19 550 Sonoma Horseshoe Cove Comment
  UCD21520  Phyllospadix torreyi Becky Wilson 1973-5-12 71 Sonoma Bodega Bay Head in front of UC Marine Laboratory. Comment
  CAS-BOT-BC452029  Phyllospadix torreyi Marck Menke 1999-6-16 49 Sonoma Bodega Head, Bodega Marine Lab, north side of Horseshoe Cove Comment
  CAS-BOT-BC140622  Physocarpus capitatus Peter Rubtzoff 1953-5-16 1355 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  JEPS76918  Physocarpus capitatus Robert M. Lloyd 1963-2-24 2060 Sonoma 0.2 mi n Bodega Bay City (on State Highway 1); n of Bodega Bay City Comment
  SEINET12162057  Pickeringia montana I. Knight, Knight, W. 1981-1 3971 Sonoma 2.3 mi up Cavedale Rd. from jct of State Rt. #12 Comment
  CAS-BOT-BC202281  Pickeringia montana var. montana A. A. Heller 1902-6-23 5740 Sonoma Petrified Forest Comment
  CAS-BOT-BC176154  Picris echioides Peter Rubtzoff 1955-9-24 2155 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC176158  Picris echioides Peter Rubtzoff 1955-8-14 2050 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC78331  Pinus attenuata Peter H. Raven 1954-2-27 6430 Sonoma on north side of Hooker Creek, Hoods Peak Range 609 Comment
  CDA18781  Pinus attenuata G. F. Hrusa, R. Gross 2000-2-6 s.n. Sonoma North Coast Ranges; Mt. St. Helena, 1/4 mile N of Ida Clayton Rd Summit. 0 Comment
  CDA500  Pinus attenuata G. Fred Hrusa 2000-2-6 s.n. Sonoma Mt. St. Helena, NW facing slope; 1/4 mi N of summit of Ida Clayton Rd. 0 Comment
  UCD134772  Pinus muricata Chris Bowen 1974-6-6 143 Sonoma On side of first hills east of Highway 1; Sea Ranch, near State Highway 1. 36 Comment
  RSA394828  Pinus muricata var. borealis D. Axelrod 1983-7-7 E- 3 Sonoma Vicinity Salt Point, Sate Highway 1. 76 Comment
  CAS-BOT-BC166956  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD166127  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCR279872  Plagiobothrys Peter Rubtzoff 1969-5-11 6048 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  UCR279873  Plagiobothrys Peter Rubtzoff 1969-5-24 6062 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road 427 Comment
  CAS-BOT-BC154995  Plagiobothrys Peter Rubtzoff 1970-5-16 6219 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC173530  Plagiobothrys Peter Rubtzoff 1969-5-24 6062 Sonoma Vernal pool, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  RSA783739  Plagiobothrys Peter Rubtzoff 1969-6-15 6093 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  UCD33098  Plagiobothrys bracteatus Beecher Crampton 1966-5-10 7729 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  RSA639272  Plagiobothrys bracteatus R. F. Thorne 1965-4-19 34276 Sonoma Titus Ranch, Valley Ford. 18 Comment
  UC526161  Plagiobothrys greenei John Thomas Howell 1934-3-27 11803 Sonoma summit of Bennett Valley Road from Glen Ellen to Santa Rosa Comment
  UCD35301  Plagiobothrys greenei Beecher Crampton 1955-4-5 2413 Sonoma 2 miles southwest of Windsor. Comment
  UC577956  Plagiobothrys nothofulvus H. S. Yates 1934-4-22 3842 Sonoma two mi s Mark West; Calistoga Quad. 152 Comment
  JEPS80989  Plagiobothrys reticulatus Edward Lee with William Setchell 1936-6-8 2225 Sonoma near entrance of disturbed redwood forest; Bohemian Grove Comment
  RSA620968  Plagiobothrys reticulatus Peter Rubtzoff 1962-8-22 5041 Sonoma Bodega Bay Marsh. Comment
  RSA783740  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6094 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  UCD158728  Plantago lanceolata 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
  CAS-BOT-BC258397  Plantago lanceolata Peter Rubtzoff 1959-6-20 4159 Sonoma Willow Creek Marsh. Comment
  HSC16835  Plantago lanceolata C. S. Chavez 1965-6-3 78 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  UC1051634  Platanthera limosa Peter Kamb 1950-6-16 1857 Sonoma 1 mi n Sousa Corners (nw of Sebastopol, Pitkin Marsh); Pitkin Marsh Comment
Read comments
1
  UC118438  Platystemon californicus T. S. Brandegee May 1890 Sonoma Cloverdale Comment
  UC855260  Platystemon californicus Alice Eastwood 1915-6-29 4862 Sonoma Bodega Point Comment
  SFV8385  Platystemon californicus K. D. Parman 1972-5-6 24 Sonoma Bodega Bay, University of California Marine Laboratory on State Highway 1. Meadow at head of peninsula. Comment
  JEPS89125  Plectritis brachystemon A. A. Heller 1938-5-14 15088 Sonoma e of Bodega Bay (at the Russian settlement at Fort Ross, (farther up the coast)); Fort Ross, Russian settlement Comment
  UC725594  Plectritis brachystemon A. A. Heller 1938-5-14 15088 Sonoma just e of Bodega Bay (at Fort Ross); Fort Ross Comment
  SEINET12333745  Plectritis ciliosa H. K. Wagnon 1989-1 1846 Sonoma Spring Lake Park & environs, adjacent to Montgomery Drive 67 Comment
  RSA51334  Pleuropogon californicus P. H. Raven 1958-4-6 1550 Sonoma Cotati, to Santa Rosa Comment
  CDA19188  Pleuropogon californicus L. Correia 2001-5-23 PDR 038348 Sonoma North Coast Ranges; Stony Pt Rd, Petaluma. 0 Comment
  SEINET6205136  Pleuropogon californicus L. S. Rose 1965-1 65019 Sonoma Sonoma Comment
  UCD90168  Pleuropogon californicus David L. Morgan 1956-5-12 s.n. Sonoma on Watmaugh Rd., 1/2 mile west of the junction of Arnold Dr. Comment
  CAS-BOT-BC260977  Pleuropogon californicus var. californicus David D. Keck 1931-4-1 993 Sonoma 2 miles north of Sears Point, 9 miles south of Sonoma, southern Sonoma County 10 Comment
  CAS-BOT-BC260982  Pleuropogon californicus var. californicus David L. Morgan 1956-5-17 s.n. Sonoma Watmaugh Road 1/2 mile west of junction of Arnold Drive Comment
  RSA201212  Pleuropogon californicus var. californicus David L. Morgan 1961-4-25 s.n. Sonoma Low wet field near Stemple Creek, 3 miles southwest of Cotati. Comment
  RSA337035  Pleuropogon californicus var. californicus Paul But, Raymond Auyeung 1975-5-17 P 40 Sonoma On Llano Road, 1/4 mile from Highway 12, 2 miles northeast of Sebastopol. Comment
  UCD90211  Pleuropogon californicus var. californicus Beecher Crampton 1955-4-5 2403 Sonoma 1.3 miles west of Fulton, along Woolsey Road. Comment
  UCD90234  Pleuropogon californicus var. davyi R. E. Preston 1996-4-22 930 Sonoma ca. 4.3 miles E.S.E. of Hopland. Comment
  UCD92179  Poa Beecher Crampton 1955-6-17 2938 Sonoma 1/2 mile south of Guerneville. Comment
  UCD92204  Poa Collector Unknown 1941-4-1 380 Sonoma S. R. Creek Canyon. Comment
  CAS-BOT-BC255612  Poa annua Peter Rubtzoff 1952-3-23 884 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the E Comment
  HSC10653  Poa bulbosa C. S. Chavez 1965-4-19 45 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  CAS-BOT-BC422344  Poa pratensis Peter Rubtzoff 1976-6-18 8650 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC244262  Poa unilateralis David L. Morgan 1961-4-15 s.n. Sonoma Bodega Bay Comment
  UCR253368  Polycarpon tetraphyllum Peter Rubtzoff, Nancy Harrison 1974-7-13 7676 Sonoma Upper Green Valley Marsh Comment
  POM138788  Polygala californica Michener, Bioletti 1893-5-7 s.n. Sonoma Hood's Peak Comment
  RSA177923  Polygala californica Robert F. Thorne 1965-4-20 34371 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  RSA135334  Polygala californica Volney Rattan 1883-5-9 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC258015  Polygonum Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7847 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC110531  Polygonum Peter Rubtzoff 1975-8-28 8363 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC164400  Polygonum Peter Rubtzoff 1966-8-25 5810 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  CAS-BOT-BC258038  Polygonum Peter Rubtzoff 1975-8-28 8363 Sonoma Kenwood Marsh. Comment
  JEPS87241  Polygonum amphibium var. stipulaceum Jack and Betty Guggolz 1992-6-22 1318 Sonoma pond in cattle pasture se Bloomfield Road 36 Comment
  CDA14281  Polygonum baldschuanicum S. Schoenig 1998-6-5 s.n. Sonoma North Coast Biodiversity Arena; Sonoma Creek next to Sonoma Creek Apts. in urban Sonoma city limits. 0 Comment
  CAS-BOT-BC109166  Polygonum bolanderi John Thomas Howell 1926-10-3 2213 Sonoma Two miles from Petrified Forest on road to Calistoga. Comment
  SEINET11933364  Polygonum lapathifolium W. Knight, Knight, I. 1984-1 5050 Sonoma 3 mi up Cavedale Road from Hwy 12 in wet spring area Comment
  RSA234564  Polygonum persicaria Peter Rubtzoff 1965-8-29 5630 Sonoma Russian River bottom at Forets Hills (5.5 miles E of Guerneville) 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
  CAS-BOT-BC72010  Polypodium californicum A. A. Heller 1902-3-10 5011 Sonoma Hills near Santa Rosa Comment
  CAS-BOT-BC72013  Polypodium californicum Margot Lowry 1983-5-1 42 Sonoma Ca. one mile from top of Sonoma Mtn. Rd. on Sonoma Mtn., along roadside 500 Comment
  POM22455  Polypodium californicum A. A. Heller 1902-3-10 5011 Sonoma Hills near Santa Rosa Comment
  UC1606997  Polypodium calirhiza Margaret Rockwood and L. Esposito 1995-5-10 721 Sonoma ca. 3 km. nw of Bodega town; sw Sonoma Co. Comment
Read comments
Jan 4 2007
  SEINET11719105  Polypodium glycyrrhiza S. W. Edwards 1986-1 s.n. Sonoma St. Helena Rd, 5.55 mi from Calistoga Rd., 6.7 mi from hwy in St. Helena Comment
  CAS-BOT-BC311839  Polypogon Peter Rubtzoff 1986-9-28 9743 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA0034038  Polypogon Peter Rubtzoff 1986-7-13 9723 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC233189  Polypogon interruptus Peter Rubtzoff 1951-6-16 220 Sonoma Pitkin Marsh, near Forestville, N half of Lower Marsh Comment
  UCD51661  Polypogon interruptus Leo Koch 1940-6-5 1012 Sonoma behind Fountaingrove Vineyard, 3 miles north of Santa Rosa along Highway 101. Comment
  UCD91017  Polypogon interruptus Beecher Crampton 1955-6-17 2973 Sonoma Along State Hwy 1, 4 miles south of Fort Ross. Comment
  UCD51632  Polypogon interruptus P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC233221  Polypogon maritimus Greg de Nevers 1992-6-26 10209 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  JEPS45791  Polypogon monspeliensis Eleanor Armstrong 1932-5-23 169 Sonoma 2 mi sw Mark West Springs; sw of Mark West Springs 152 Comment
  UCR248766  Polypogon monspeliensis Peter Rubtzoff 1986-7-13 9723 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  RSA93467  Polypogon monspeliensis Milo S. Baker 12390 Sonoma Near creek west of Petrified Forest at Shale Quarry. Comment
  RSA94461  Polypogon monspeliensis Peter Rubtzoff 1951-8-19 642 Sonoma Pitkin Marsh, near Forestville; Southern half of Lower Marsh. Comment
  UCD91353  Polypogon monspeliensis David L. Morgan 1955-6-27 s.n. Sonoma Porter's Gulch, between Soquel and Aptos. 15 Comment
  UCD91467  Polypogon viridis David L. Morgan 1956-6-26 s.n. Sonoma Bank above Shell Beach, 1/4 mi. S. of Goat Rock, just off State Highway #1. 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
  UCD168041  Polystichum californicum James A. Neilson Jr. 1981-3-13 3995 Sonoma Mayacmas Mountains, tributary of Hummingbird Creek. 1/2 mile NE of confluence of Hummingbird Creek and Squaw Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC72485  Polystichum munitum A. T. Graff 1926-2-1 s.n. Sonoma Cazadero Comment
  RSA234554  Populus Peter Rubtzoff 1960-5-15 4335 Sonoma Fife Creek Marsh. Comment
  UCD163795  Populus Peter Rubtzoff 1980-5-26 9447 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC102664  Populus fremontii G. DeNevers 1982-5-3 1990 Sonoma At the Trapper's Cabin, Pepperwood Ranch Comment
  CAS-BOT-BC102665  Populus fremontii Peter Rubtzoff 1960-5-15 4335 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC102668  Populus fremontii Peter Rubtzoff 1973-10-10 7335 Sonoma Forestville Marsh area, field ca. 25 yards from creek draining the Forestville Marsh Comment
  CAS-BOT-BC102671  Populus fremontii Irja Knight; Walter Knight 1964-11-9 802 Sonoma Odds Fellows Park on Russian River Comment
  CAS-BOT-BC376364  Potamogeton Greg de Nevers 1992-6-8 10159 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC452161  Potamogeton diversifolius Peter Rubtzoff 1961-7-22 4668 Sonoma Bennett Mountain Lake. Comment
  UCR244630  Potamogeton foliosus Peter Rubtzoff 1971-9-1 6667 Sonoma Spring Creek Reservoir area, east of Santa Rosa 87 Comment
  CAS-BOT-BC258004  Potamogeton foliosus Peter Rubtzoff 1970-10-3 6409 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CDA811  Potamogeton foliosus P. F. Wright 1963-7-1 Sonoma 2 acre pond on Mrs. Philip Nielsen property, 3415 Nielsen Rd., Santa Rosa. 0 Comment
  CAS-BOT-BC257684  Potamogeton nodosus Peter Rubtzoff 1971-9-1 6669 Sonoma Spring Creek Reservoir area. Comment
  UCR280145  Potamogeton nodosus Peter Rubtzoff 1971-9-30 6716 Sonoma North Coast Range, Spring Creek Reservoir area 87 Comment
  RSA800785  Potamogeton nodosus Peter Rubtzoff 1971-9-1 6669 Sonoma Spring Creek Reservoir area Comment
  CAS-BOT-BC141961  Potentilla anserina subsp. pacifica Alice Eastwood 1917-5-13 s.n. Sonoma Bodega Bay Comment
  UCD113699  Potentilla anserina subsp. pacifica Terri Williamson 1990-5-20 49 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  HSC98398  Potentilla anserina subsp. pacifica James Faro 1962-4-17 28 Sonoma W side of Bodega Bay, N end Comment
  SBBG21354  Potentilla anserina subsp. pacifica V. Haraden 1941-7-13 8 Sonoma near beach ca. 1 mi N of the head of Bodega Bay Comment
  UCD113693  Potentilla anserina subsp. pacifica Linda A. Bell 1975-5-18 171 Sonoma Bay Flat Road, ca. 0.5 mile north of University of California's Bodega Head Marine Laboratory. Comment
  UCD113975  Poterium sanguisorba Mary M. Hektner 1974-7-17 146 Sonoma Outside Kirkwood House on Pacific Reach Road, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET13947061 Image available Prunella vulgaris Andrew P. Nelson 1960-1 646 18 C Sonoma Originally collected from a mixed pop. At Pitkin Marsh. Comment
  CAS-BOT-BC159902  Prunus emarginata T. E. Rawlins 1942-9-1 s.n. Sonoma Fort Ross Comment
  UCD160846  Prunus virginiana var. demissa James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 s.n. Sonoma Truit Creek. (Coordinates, and elevation estimated by label maker.) 426 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
  CAS-BOT-BC356925  Pseudognaphalium californicum Walter Knight; Irja Knight 1963-8-23 287 Sonoma Joost Ranch, Calistoga Rd Comment
  UCD135065  Pseudognaphalium californicum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 101 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owner's Map. Comment
  CAS-BOT-BC356928  Pseudognaphalium californicum G. DeNevers 1981-7-25 1872 Sonoma Pepperwood Ranch. In Garrison Canyon Comment
  RSA790987  Pseudognaphalium luteoalbum Peter Rubtzoff 1962-9-30 5103 Sonoma Vacation Beach, 2 miles below Guerneville. Comment
  CAS-BOT-BC361617  Pseudognaphalium stramineum Peter Rubtzoff 1951-8-18 620 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  UC75921  Pseudognaphalium thermale Miss M. Alice King 1896-9-1 Sonoma near Healdsburg Comment
  UC767087  Pseudotsuga menziesii var. menziesii Robert F. Hoover 1941-6-7 5318 Sonoma 2 mi se Camp Meeker (on road to Camp Meeker) Comment
  CAS-BOT-BC166938  Psilocarphus Peter Rubtzoff 1966-5-30 s.n. Sonoma Laguna de Santa Rosa, northeast of Graton, ca. 0.5 mi. N of Guerneville Road. Comment
  UCR228148  Psoralea physodes R. F. Thorne 1965-4-20 34369 Sonoma North Coast Range, 4 miles up Cavedale Road from State Hwy 12, 6 miles north of Sonoma 549 Comment
  CAS-BOT-BC157682  Pteridium Peter Rubtzoff 1974-6-2 7528 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC72690  Pteridium aquilinum Peter Rubtzoff 1951-8-18 613 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC421374  Pterostegia drymarioides A. A. Heller 1902-5-27 5612 Sonoma Bodega Bay 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
  UCD45323  Quercus X chasei John M. Tucker 1952-9-20 2618 Sonoma (Q. kelloggii Newb. X Q. agrifolia Nee). California, Sonoma Co.: Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, along a lane running east from Voight farmhouse. Comment
  CAS-BOT-BC94704  Quercus X howellii John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary Wells 1981-5-14 53936 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  CDA23774  Quercus agrifolia D. G. Kelch 2006-10-4 06 .497-C Sonoma Entrance to Bouverie Reserve. 2 km N of Agua Caliente along Rte 12. Comment
  UCD45135  Quercus agrifolia Christine Lee 1993-4-23 87 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Hillside Trail. Elev. 1400'. 426 Comment
  UCD45136  Quercus agrifolia J. Adams; J. Weick 1993-5-8 258 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. Tree; Rocky slope habitat south facing. Comment
  UCD45223  Quercus berberidifolia D. Q. Cavagnaro 1963-9-13 39 Sonoma On west side of range between Sonoma and Napa Valleys, 3 miles northeast of Glen Ellen, Sonoma County, California. Comment
  LA46478  Quercus chrysolepis Marcus E. Jones; A. M. 1931-8-3 28846 Sonoma Cloverdale Comment
  POM188377  Quercus chrysolepis Marcus E. Jones 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-BC79565  Quercus dumosa Walter Knight; Irja Knight 1963-1-9 146 Sonoma Pine Mt. Rd. NE of Clverdale Comment
  CAS-BOT-BC79572  Quercus dumosa John Thomas Howell 1946-3-31 21592 Sonoma Hills coast fo Sonoma Comment
  CAS-BOT-BC94151  Quercus durata G. De Nevers 1981-9-12 1936 Sonoma Pepperwood Ranch, on hill top N of Bechtel Cabin Comment
  UCSB24433  Quercus durata var. durata McMinn, Howard 1938-9-5 Sonoma Hood Mountain Range Comment
  CAS-BOT-BC94669  Quercus garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 miles N of Penngrove 365 Comment
  CDA29269  Quercus garryana D. G. Kelch 2007-10-16 7 .645 Sonoma Novato. W 7th St on undeveloped hill. Comment
  SJSU16079  Quercus garryana Allen W. Jacobs 1934-8-1 2 Sonoma Near the Hilton in Russian River Comment
  OBI14250  Quercus garryana var. garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 mi NE of Penngrove 366 Comment
  UCD46739  Quercus kelloggii John M. Tucker 1952-9-20 2622 Sonoma California, Sonoma Co.; Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse; Comment
  CAS-BOT-BC62850  Quercus lobata Peter Rubtzoff 1951-11-24 835 Sonoma Pitkin Marsh, near Forestville, south of the Upper Marsh Comment
  CDA6114  Quercus lobata D. G. Kelch 2007-5-13 7 .292 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  UCD47144  Quercus parvula var. shrevei Willis L. Jepson 1893-9-23 s.n. Sonoma Mt. St. Helena. Napa River Basin. 914 Comment
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Jul 28 2008
  UCD163613  Quercus parvula var. shrevei John M. Tucker; Lois W. Weeth 1998-10-6 4497 Sonoma Highway 128, 0.2 mi. south of the Sonoma-Mendocino County line. Comment
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Sep 19 2016
  CAS-BOT-BC379156  Ranunculus aquatilis var. aquatilis Greg de Nevers 1993-3-7 10319 Sonoma Pepperwood Natural Preserve; 3450 Franz Valley Road, and surrounding sections 00000000000000000000000 305 Comment
  SDSU10098  Ranunculus californicus D. F. Howe 1972-4-28 4814 Sonoma Trinity Road, Mt. Hood Range. 122 Comment
  SEINET7096763  Ranunculus californicus A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane off Occidental Road 1 mile east of Occidental. NAD27, 38? deg. 24' 25ao, -122?_ 55' 38ao (converted to WGS84 decimal degrees) UTM Zone 10, 566349mE, 4250771mN. Comment
  UC1084358  Ranunculus californicus G. Thomas Robbins 1937-3-26 17 Sonoma meadow near Wright School (on hwy to Sebastopol) Comment
  POM268814  Ranunculus californicus A. A. Heller, H. E. Brown 1902-3-14 s.n. Sonoma Near Santa Rosa. Comment
  CAS-BOT-BC378697  Ranunculus californicus var. californicus Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC378700  Ranunculus californicus var. californicus John Thomas Howell 1931-4-2 6043 Sonoma Boyes Springs Comment
  CAS-BOT-BC378708  Ranunculus californicus var. californicus Peter Rubtzoff 1969-6-14 6072 -G Sonoma vernal pool 6.5 mi northeast of Penngrove, on Lichen Road 426 Comment
  CAS-BOT-BC83412  Ranunculus lobbii J. Penalosa 1961-5-24 1571 Sonoma Upper Stemple Creek Marsh. Comment
  POM269865  Ranunculus lobbii Carl V. Meyer 1929-3-24 s.n. Sonoma Santa Rosa Comment
  UCD97051  Ranunculus orthorhynchus Mary M. Hektner 1976-4-3 231 Sonoma along ocean headlands above Shell Beach; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC570300  Ranunculus orthorhynchus var. bloomeri C. M. Belshaw 1936-3-7 1555 Sonoma 1 mi ne Occidental; Sebastopol Quadrangle 38 Comment
  RSA277282  Ranunculus orthorhynchus var. bloomeri Robert F. Hoover 1939-4-18 4048 Sonoma Los Guilicos Valley Comment
  RSA155471  Ranunculus orthorhynchus var. platyphyllus L. S. Rose 1962-6-1 62063 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  CAS-BOT-BC74199  Raphanus raphanistrum John H. Thomas 1976-6-16 18297 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC74236  Raphanus sativus Mary P. Wells 1985-5-26 499 Sonoma Ca. 0.5 mile north of Stewart's Point, along Highway #1. Comment
  UCD115180  Raphanus sativus Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-21 44 Sonoma near Sea Ranch Lodge, Unit 2 Owners' Map, Sea Ranch, near State Highway 1. 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
  UC570986  Rhamnus californica subsp. californica Herbert L. Mason 1928-4-8 4293 Sonoma 2 mi n Fort Ross Comment
  UCD117843  Rhododendron columbianum Mary M. Hektner 1976-5-10 252 Sonoma Along State Highway 1, Unit 35-A Owners' Map, Sea Ranch. Comment
  UCD117873  Rhododendron columbianum J. M. Tucker; C. H. Lamoureux 1958-6-8 3409 Sonoma In the vicinity of State Highway 1, 6.1 miles (by road) north of Fort Ross. 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
  UC634742  Rhododendron macrophyllum H. L. Mason 1928-7-11 4896 Sonoma 2 mi n of Fort Ross Comment
  UC157681  Rhododendron occidentale Milo S. Baker May, 1899 Sonoma near Forestville Comment
  UCD117949  Rhododendron occidentale George F. Hrusa 1989-5-8 7008 Sonoma At headwaters of Nathanson Creek directly E of town of Sonoma. 390 Comment
  CAS-BOT-BC200347  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-2 89 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CDA21375  Rhododendron occidentale var. occidentale G. F. Hrusa, M. Griffiths 1989-6-4 7096 Sonoma North Coast Ranges; Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. Comment
  CAS-BOT-BC111885  Rhynchospora californica Peter Rubtzoff 1951-7-1 326 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  CAS-BOT-BC111888  Rhynchospora californica Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  CHSC65438  Rhynchospora californica J. T. Howell 1945-7-18 21321 Sonoma Pitkin Marsh. Comment
  RSA93974  Rhynchospora capitellata Peter Rubtzoff 1951-7-22 529 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  UC1026387  Rhynchospora globularis var. globularis John Thomas Howell 1945-7-18 Sonoma Pitkin Marsh Comment
  RSA90511  Rhynchospora globularis var. recognita M. S. Baker 1945-7-18 11111 Sonoma Pitkin Marsh, upper meadow. Comment
  RSA94280  Rhynchospora globularis var. recognita Peter Rubtzoff 1951-7-28 562 Sonoma Pitkin Marsh, near Forestville; Lower part of the Upper Marsh. Comment
  CAS-BOT-BC111932  Rhynchospora recognita John Thomas Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles n of Sebastopol. Comment
  POM142003  Ribes californicum A. A. Heller 1903-4-24 6364 Sonoma Woods near Cazadero. Comment
  RSA0056436  Ribes divaricatum Greg de Nevers 1998-3-20 11219 Sonoma Cresta Ranch, Mark West Creek. Comment
  RSA0025036  Ribes divaricatum var. pubiflorum L. S. Rose 1962-4-11 62018 Sonoma Laguna de Santa Rosa. 0.5 mile E of Cunningham. 15 Comment
  CAS-BOT-BC212922  Ribes menziesii John Thomas Howell 1934-3-3 11737 Sonoma 8 miles south of Fort Ross Comment
  UC75436  Ribes menziesii Milo S. Baker 1898-4-3 24 Sonoma between Forestville and Guerneville Comment
  UC58119  Ribes roezlii var. cruentum A. A. Heller 1903-4-24 6615 Sonoma near Cazadero Comment
  UC75454  Ribes roezlii var. cruentum Milo S. Baker 1903-3-20 Sonoma Hood Mt. Comment
  CAS-BOT-BC211981  Ribes sanguineum Alice S. M. McKenzie 1981-2-23 16 Sonoma State Hwy #1 at Kolmer Gulch, coast between Russian and Gualala Rivers Comment
  UC73089  Ribes sanguineum var. glutinosum Milo S. Baker 1898-4-4 Sonoma near Sea View Comment
  CAS-BOT-BC168766  Ribes victoris A. A. Heller 1902-6-26 5773 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UC35868  Rigiopappus leptocladus F. T. Bioletti 1893-5-27 Sonoma Hood's Peak Comment
  CAS-BOT-BC362936  Rigiopappus leptocladus James McMurphy 1909-5-29 s.n. Sonoma Near the Geysers Comment
  CAS-BOT-BC74393  Rorippa curvipes Peter Rubtzoff 1973-8-21 7250 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC344963  Rorippa curvisiliqua Peter Rubtzoff 1976-9-25 8902 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC74698  Rorippa curvisiliqua Peter Rubtzoff 1958-7-19 3772 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC74712  Rorippa curvisiliqua Peter Rubtzoff 1973-8-21 7251 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC152660  Rosa californica Peter Rubtzoff 1951-8-18 631 Sonoma Western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC152665  Rosa californica Greg de Nevers 1995-6-3 10747 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, along Franz Creek, just below Mountain House 487 Comment
  CAS-BOT-BC152668  Rosa californica D. E. Breedlove 1980-6-27 44767 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC152671  Rosa californica Peter H. Raven 1955-8-27 8758 Sonoma 3.2 mi. n. of Sears Point on State Route 37 Comment
  RSA107409  Rosa eglanteria L. S. Rose 1955-10-24 55188 Sonoma Two Rock 30 Comment
  RSA179774  Rosa eglanteria J. T. Howell 1930-6-8 5234 Sonoma Flat along stream, 4 miles east of Valley Ford Comment
  CAS-BOT-BC146771  Rosa gymnocarpa Peter Rubtzoff 1953-5-17 1387 Sonoma South of Guerneville (Neeley Hill area) Comment
  UCD113845  Rosa gymnocarpa Frederica Bowcutt 1994-5-1 1766 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. Along Sonoma Creek just E of confluence with Bear Creek near bridge over Sonoma Creek. On Goodspeed trail about 30 yards from trailhead. 198 Comment
  UCD113886  Rosa nutkana Chris Bowen 1974-6-2 150 Sonoma Near Sea Gate Road, Unit 7 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UC191247  Rosa spithamea Edw. L. Greene 1888-9-1 Sonoma Comment
  UC903698  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma top of Rose Butte Hood Mtn. (w slope of mt.) 243 Comment
  UC905110  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma top of Rose Butte Hood Mt. (w slope of mt.) 243 Comment
  CAS-BOT-BC262827  Rubus Peter Rubtzoff 1964-6-3 5346 Sonoma Bodega Bay Marsh. Comment
  UCD166412  Rubus Peter Rubtzoff 1960-5-16 4357 Sonoma Duncans Mills Marsh; upper portion of the marsh. Comment
  UCD113551  Rubus armeniacus Frederica Bowcutt 1994-5-21 1836 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. On side of hillside trail past junction with Digger Pine Trail approximately 1 mile. 411 Comment
  CAS-BOT-BC147991  Rubus leucodermis H. E. McMinn 1922-6-7 928 Sonoma By Monte Rio, seen along roadside three canyon from Occidental Comment
  CAS-BOT-BC147183  Rubus parviflorus Alice S. M. McKenzie 1981-2-23 19 Sonoma Calif. State Hwy. #1 at Fort Ross Gulch Comment
  RSA800404  Rubus parviflorus Peter Rubtzoff 1964-5-20 5311 Sonoma Brooks Gulch Marsh. Comment
  RSA800353  Rubus spectabilis Peter Rubtzoff 1955-5-14 1853 Sonoma Duncan Mills Marsh. Upper portion of the marsh. Comment
  UCR47956  Rubus spectabilis var. franciscanus D. Neubacher 1975-5-11 17 Sonoma Duncan Mills Campground in Duncan Mills Comment
  CAS-BOT-BC157183  Rubus ursinus Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  UC666159 Image available Rubus ursinus S. W. Brown 1942-6-28 42015 Sonoma in ravine 15 mi n Fort Ross; ; Ft. Ross Comment
  UCD114018  Rubus ursinus M. Wiesendanger 1927-5-5 723 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC157659  Rumex Peter Rubtzoff 1964-6-3 5351 Sonoma Bodega Bay Marsh Comment
  UCR279879  Rumex Peter Rubtzoff 1964-7-29 5452 Sonoma Central Coast, Bodega Bay Marsh 15 Comment
  CAS-BOT-BC422233  Rumex acetosella Peter Rubtzoff 1951-7-21 511 Sonoma Pitkin Marsh, near Forestville. Area between the Upper and the Lower marshes. 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
  UCD101097  Rumex conglomeratus Mary M. Hektner; Cathy Hendel 1974-7-25 170 Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC164667  Rumex crispus Peter Rubtzoff 1954-6-6 1465 Sonoma Guerneville Marsh. Comment
  RSA782168  Rumex crispus Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-7-3 162 Sonoma Westside Rd, Bodega bay area Comment
  UCR279637  Rumex fueginus Peter Rubtzoff 1958-9-27 4007 Sonoma Laguna de Santa Rosa, northeast of Graton, near Guerneville Road 18 Comment
  CAS-BOT-BC166935  Rumex pulcher Peter Rubtzoff 1961-8-22 4689 Sonoma Fife Creek Marsh. 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
  UCD101609  Rumex salicifolius Frederica Bowcutt 1994-6-24 1896 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/4 way from bald Mountain Trail to Headwaters Trail. 554 Comment
  JEPS48949  Rumex salicifolius var. transitorius Hilda W. Grinnell 1933-7-21 Sonoma Bodega Bay Comment
  SEINET7042613  Rupertia physodes A. G. Vestal 1947-5-16 s.n. Sonoma 8.1 miles east of Winsor.Mark West Springs quadrangle UTM Zone 10, 531876mE, 4267566mN. Comment
  OBI35890  Rytidosperma penicillatum David J. Keil 1983-6-29 17204 Sonoma Ca. 10 mi SE of Ft. Ross along Hwy 1 Comment
  CAS-BOT-BC320532  Sagina Peter Rubtzoff; Nancy Harrison 1978-6-11 9214 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley. Comment
  UCD166485  Sagina Peter Rubtzoff 1964-6-24 5370 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC445686  Sagittaria cuneata W. W. Carruth 1901-6-1 s.n. Sonoma Laguna near Fulton Comment
  UC728605  Sagittaria latifolia Milo S. Baker 1945-7-18 11119 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC290711  Salix Peter Rubtzoff 1973-9-9 7326 Sonoma Kenwood Marsh. Comment
  UCR250389  Salix Peter Rubtzoff, J. E. Eckenwalder 1974-4-6 7361 Sonoma Salmon Creek, 0.25 mi. south of Freestone 64 Comment
  RSA0015574  Salix Peter Rubtzoff 1973-9-9 7313 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC103083  Salix bonplandiana Peter Rubtzoff 1966-9-10 5819 Sonoma Atascadero Creek Marsh Comment
  RSA534567  Salix bonplandiana Peter Rubtzoff 1953-5-16 1359 Sonoma Vacation Beach. Near Guerneville. along Russian River. Comment
  CAS-BOT-BC102863  Salix breweri John Thomas Howell 1933-4-2 10940 Sonoma slopes of Mt. Hood, Sonoma Creek Canyon Comment
  RSA534508  Salix exigua Peter Rubtzoff 1954-7-4 1531 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC103844  Salix exigua subsp. melanopsis Peter Rubtzoff 1972-9-8 6883 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River margin Comment
  UC482048  Salix exigua var. hindsiana Ball, Bracelin, Parks and Parks 1931-4-21 38 Sonoma 25 km n.w. of Calistoga (Maacama Creek) Comment
  SD133980  Salix laevigata Peter Rubtzoff 1966-9-10 5819 Sonoma Atascadero Creek Marsh. Along sluggish marshy Atascadero Creek just below the marsh Comment
  UC453090  Salix lasiandra subsp. lasiandra W. A. Setchell 1931-7-25 10 Sonoma Bohemian Grove near Monte Rio; Russian R. Comment
  UC453091  Salix lasiandra subsp. lasiandra W. A. Setchell 1931-7-25 11 Sonoma Bohemian Grove near Monte Rio; Russian R. Comment
  CAS-BOT-BC128059  Salix lasiandra var. lasiandra A. A. Heller 1902-4-18 5329 Sonoma Near Windsor on Russian River Comment
  CAS-BOT-BC128066  Salix lasiandra var. lasiandra Alice Eastwood 1915-6-30 4899 Sonoma Bodega Comment
  CAS-BOT-BC107099  Salix lasiolepis Peter Rubtzoff 1952-3-23 872 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC107252  Salix lasiolepis A. A. Heller 1902-3-10 5016 Sonoma Hills two miles southeast of Santa [Kosa] Rosa Comment
  POM281345  Salix lasiolepis Lyman D. Benson 1930-3-20 1954 Sonoma Toward Healdsburg. Santa Ross. N Coast mtn range. 152 Comment
  CAS-BOT-BC107345  Salix lasiolepis var. bigelovii C. R. Ball; B. S. Ball 1933-5-6 2502 Sonoma 4 miles SW of Calistoga, on road to Petrified Forest, and just over Napa County line Comment
  CAS-BOT-BC107348  Salix lasiolepis var. bigelovii Peter Rubtzoff 1959-6-13 4136 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC107353  Salix lasiolepis var. bigelovii Baker; Ball; Bracelin; Crum 1931-5-9 345 Sonoma About 2 km. east of Bodega Bay Comment
  RSA534505  Salix lasiolepis var. bigelovii Peter Rubtzoff, T. J. Crovello 1964-9-3 5498 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC128311  Salix lasiolepis var. lasiolepis G. DeNevers 1981-4-25 875 Sonoma Mark West Creek and Leslie Creek - Pepperwood Ranch Comment
  RSA534486  Salix lucida subsp. lasiandra Peter Rubtzoff, T. J. Crovello 1964-9-3 5496 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC126199  Salix scouleriana Peter Rubtzoff 1951-8-18 627 Sonoma Western branch of the Upper Marsh Comment
  LA208920  Salix scouleriana Baker; Ball, Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental; on Occidental grade Comment
  UCD111843  Salix scouleriana Baker; Ball, Bracelin, and Crum 1931-5-9 342 Sonoma Two km. east of Occidental. Comment
  CAS-BOT-BC128949  Salix sitchensis W. A. Setchell 1933-5-6 s.n. Sonoma Roadside between monte Rio and Camp Meeker Comment
  SBBG57991  Salix sitchensis C. R. Ball, H. P. Bracelin, H. E. Parks, S. Parks 1931-4-21 36 Sonoma Maacama Crk, 25 km NW of Calistoga Comment
  UC482108  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 36 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  UCR255030  Salvia columbariae Greg de Nevers 1993-5-30 10466 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC225213  Salvia sonomensis A. A. Heller; H. E. Brown 1902-3-31 5193 Sonoma Mt. Hood Comment
  POM126746  Salvia spathacea M. S. Baker 1904-05 s.n. Sonoma Hills south of Ocean View. Comment
  SEINET12327832  Sambucus callicarpa F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -159 Sonoma ca 5 mi E of Bridgehaven on Willow Creek Road 145 Comment
  CAS-BOT-BC245887  Sambucus nigra subsp. caerulea Peter Rubtzoff 1980-5-26 9445 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  UC1005695  Sanicula arctopoides Frank W. Gould 1939-2-25 566 Sonoma Sonoma County 91 Comment
  CAS-BOT-BC223346  Sanicula bipinnatifida Alice Eastwood 1921-4-24 10376 Sonoma Santa Rosa Comment
  UC1022562  Sanicula crassicaulis C. Ritchie Bell 1952-3-19 3 X354 Sonoma se of Bodgea Bay (Larkspur Rock); Larkspur Rock Comment
  CDA12818  Sanicula laciniata G. F. Hrusa, R. Gross 1996-3-8 12652 Sonoma North Coast Biodiversity Arena; near summit on NE side of Chalk Hill. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  RSA178040  Sanicula laciniata R. F. Thorne 1965-4-20 34388 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  UC1022552  Sanicula laciniata C. Ritchie Bell 1951-2-19 3 -103 Sonoma e of Glen Ellen (by California Highway 12) Comment
  UCR244592  Saponaria officinalis Peter Rubtzoff 1967-8-18 5849 Sonoma Banks of Russian River, 6 mi east of Guerneville 18 Comment
  POM117235  Saxifraga mertensiana Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UCR265124  Scandix pecten-veneris Ann Howald 2015-4-1 3322 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 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
  RSA0022391  Schedonorus arundinaceus Peter Rubtzoff 1962-5-5 4807 Sonoma Fife Creek Marsh. Comment
  RSA0022392  Schedonorus arundinaceus Peter Rubtzoff 1962-5-11 4823 Sonoma Laguna de Santa Rosa. E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC111528  Schoenoplectus americanus Peter Rubtzoff 1972-8-26 6861 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC111533  Schoenoplectus americanus Peter Rubtzoff 1970-5-16 6216 Sonoma Eldridge. In and at the edge aof shallow water of streamlet 0.7 mi NE of Arnold drive. Comment
  CAS-BOT-BC111639  Schoenoplectus californicus Peter Rubtzoff 1966-8-18 5790 Sonoma Laguna de Santa Rosa ca. 1 mile ESE of Sebastapool. Comment
  RSA227213  Schoenoplectus fluviatilis Peter Rubtzoff 1955-8-7 2033 Sonoma Sonoma County: Guerneville Marsh. Comment
  RSA227226  Schoenoplectus fluviatilis Peter Rubtzoff 1962-7-6 4978 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  RSA0019149  Schoenoplectus maritimus Peter Rubtzoff 1955-8-6 2021 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC111801  Schoenoplectus pungens var. badius Peter Rubtzoff 1963-8-17 5233 Sonoma Russian River Mouth Marsh. Comment
  SEINET11750297  Schoenoplectus tabernaemontani W. Knight, Knight, I. 1984-1 5427 Sonoma Willow Cr. Road 61 Comment
  POM186202  Scirpus microcarpus A. A. Heller 1902-6-24 5746 Sonoma Near Burke s Sanitarium. Comment
  RSA94002  Scirpus microcarpus Peter Rubtzoff 1951-6-10 207 Sonoma Pitkin Marsh, near Forestville. A damp opening south of the Upper Marsh. Comment
  SEINET12050508  Scoliopus bigelovii F. H. Utech 1988-1 88 -232 Sonoma 0.5 mi S of Ft. Ross Historic Site on CA 1 from junction with Ft. Ross Road at Ft. Ross (mile 32.45) 50 Comment
  SEINET12058066  Scoliopus bigelovii F. H. Utech 1988-3-2 88 -011 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  CAS-BOT-BC320540  Scrophularia californica Peter Rubtzoff 1953-5-16 1356 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC320545  Scrophularia californica Peter Rubtzoff 1955-8-20 2069 Sonoma Bodega Harbor Marsh. Comment
  UCD160751  Scrophularia californica James A. Neilson Jr. 1975-5-23 3208 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  SEINET12332454  Scrophularia californica F. H. Utech 1988-1 88 -204 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  SEINET10582627  Scrophularia californica subsp. californica Jon Ricketson, Deanna Vanderbur 1985-7-3 Ricketson 2616 Sonoma Fort Ross State Park, along State Highwa 1, between Fort Ross and Jenner above Pacific Ocean. 50 miles northwest of San Francisco. 30 Comment
  UCD160919  Scutellaria californica James A. Neilson Jr. 1975-7-8 3382 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  CAS-BOT-BC376321  Scutellaria tuberosa Greg de Nevers 1993-4-27 10411 B Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Rd. 400 Comment
  CAS-BOT-BC417850  Sedella pumila Leo Koch 1940-4-24 848 Sonoma N of Agua Caliente Comment
  CAS-BOT-BC63940  Sedum radiatum subsp. radiatum J. Clausen 1935-5-23 1076 Sonoma 1.2 miles S of Petrified Forest. Comment
  UCR43083  Sedum spathulifolium L. F. LaPre 1985-6-5 s.n. Sonoma North Coast Ranges, Geysers Overlook, just NW of Geysers Resort on Healdsburg- Geysers Road 483 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
  CDA9639  Selaginella wallacei D. G. Kelch 2007-5-13 7 .3 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  CDA35516  Senecio jacobaea Ed Finley 1986-8-2 s.n. Sonoma Sea Ranch, Coast Hwy 1, west side, near marker 53.41. 0 Comment
  SEINET11807204  Senecio jacobaea W. Knight, Knight, I. 1984-1 5113 Sonoma near junction Hwy 1 & Headlands Beach Rd, Sea Ranch Comment
  UCD148366  Senecio minimus Peter Rubtzoff 1955-8-20 2056 Sonoma Bodega Harbor Marsh. Comment
  UCR279861  Senecio minimus Peter Rubtzoff 1954-8-13 1706 Sonoma Bodega Head Marsh 2 Comment
  UCD135597  Senecio minimus W. L. Jepson 1931-7-19 15954 Sonoma between Russian River mouth and Occidental. Comment
  CAS-BOT-BC173685  Senecio vulgaris Peter Rubtzoff 1974-4-17 7380 Sonoma Upper Green Valley Marsh. Comment
  CDA31319  Sequoia sempervirens D. G. Kelch, Ed Biffin 2010-5-3 10 .195 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UC403025  Sequoia sempervirens J. Burtt Davy 1896-8-1 Sonoma Bohemian Camp Guerneville Comment
  POM21700  Sequoia sempervirens A. A. Heller, H. E. Brown 1902-3-16 5080 Sonoma Russian River, Near Trenton Comment
  CDA2404  Setaria faberi David Morgan Aug 1958 Sonoma Highway 101 (redwood), exactly on Sonoma Co.-Marin Co. line 0 Comment
  CAS-BOT-BC243603  Setaria parviflora Catherine Best 1983-10-12 907 Sonoma At the edge of Janine Road near Bodega Avenue west of Sebastopol. Comment
  CAS-BOT-BC187885  Sidalcea calycosa subsp. rhizomata John Thomas Howell 1936-7-26 s.n. Sonoma Pitkin Marsh, near Sebastopol Comment
  CAS-BOT-BC187888  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-8-4 569 Sonoma Southern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  JEPS50081  Sidalcea diploscypha M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma between Gurneville and Monte Rio; Russian River, btw Gurneville and Monte Rio Comment
  UC1541484  Sidalcea diploscypha H. E. and S. T. Parks May 1930 625 Sonoma head of Alexander Valley Comment
  UC496409  Sidalcea diploscypha Merle Randall 1930-6-9 Sonoma Cazadero Comment
  UC108867  Sidalcea diploscypha Katharine Brandegee 1905-6-8 Sonoma bet Santa Rosa Sevastopol; bet Santa Rosa and Sevastopol Comment
  UCD116613  Sidalcea diploscypha Frederica Bowcutt; Jeff Kennedy 1994-5-21 1800 Sonoma about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, about 18 air miles NW of Napa, and about 1.5 air miles NE of Kenwood. Along the Meadow Trail, about 0.25 mile from the trail head. 396 Comment
  JEPS113060  Sidalcea hickmanii subsp. viridis Steven A. Harris 2006-5-25 SAH- 001 Sonoma Highway 1, PM 22.93 Comment
  RSA87994  Sidalcea malviflora C. L. Hitchcock 1952-6-4 19586 Sonoma 8 miles N. of Ft Ross. Comment
  UCSB50223  Sidalcea malviflora Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 16 Comment
  CHSC3190  Sidalcea malviflora subsp. laciniata Dona Kingsford 1966-4-6 Sonoma 2.5 miles E of Bodega Bay on Tomales- Valley Ford Road. 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
  UC1300952  Silene gallica Helen K. Sharsmith 1963-5-25 5478 Sonoma on road from Freestone to Occidental; San Francisco Bay Region, rd fr Freestone to Occidental 121 Comment
  UC1541419  Silene gallica H. E. and S. T. Parks 1930-5-10 846 Sonoma Knights Valley 152 Comment
  UCD98647  Silene gallica Mary M. Hektner; Sue Dakuzaku 1974-6-3 14 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC392491  Silene gallica John H. Thomas 1976-6-16 18229 A Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UCD98639  Silene gallica Valerie Bullock; Erik Beever 1993-5-8 241 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 on path next to meadow. 365 Comment
  NY342628  Silene grandis A. Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  UCD135848  Silybum marianum Gerry North 1993-4 55 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. On Vista trail 1/2 mile NE of fork with Bald Mountain trail. Sugarloaf Ridge State Park. 556 Comment
  JEPS128208  Sisyrinchium bellum Roger Raiche 2000-4-20 038 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SBBG1135  Sisyrinchium bellum H. and M. Dearing 1939-5-14 3371 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCD136307  Sisyrinchium bellum M. Rei Scampavia Evangelista 2012-5-19 5 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, travel down Pepperwood Road towards the Visitor Center. Take a left at the sign for the Betchel House. Follow signs on dirt roads that direct towards Three Tree Hill. Park at the top of Three Tree Hill, then take a bearing of 280 degrees for 250 meters. 408 Comment
  UCD138873  Sisyrinchium bellum Valerie Bullock; Waraich and Togioka 1993-5-8 244 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Pony Gate Trail. 365 Comment
  SEINET3876315  Sisyrinchium californicum James Faro 1962-4-22 27 Sonoma Ocean Cove Ranch, about 4 miles north of Fort Ross on Highway 1.; 0 Comment
  UC844172  Smilacina racemosa Mrs. E. C. Sutliff Aug. 1920 Sonoma near Annapolis Comment
  CAS-BOT-BC164408  Solanum Peter Rubtzoff 1959-9-19 4278 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC164423  Solanum Peter Rubtzoff 1962-9-9 5079 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC164708  Solanum Peter Rubtzoff 1978-8-12 9254 Sonoma Russian River at Del Rio Beach, ca. 2.5 miles east of Healdsburg on S. Fitch Mountain Road. Comment
  CAS-BOT-BC166692  Solanum Peter Rubtzoff 1974-9-7 7888 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. at creek crossing. Comment
  RSA227219  Solanum americanum Peter Rubtzoff 1963-10-5 5287 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  UCD126816  Solanum americanum C. B. Heiser; D. Heiser 1946-4-14 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC354317  Solidago Peter Rubtzoff 1955-8-27 2097 Sonoma Bennett Mountain Lake. Comment
  RSA94281  Solidago canadensis subsp. elongata Peter Rubtzoff 1951-9-2 721 Sonoma Western branch of the Upper Marsh. Comment
  CAS-BOT-BC365583  Solidago elongata Peter Rubtzoff 1951-9-2 716 Sonoma Pitkin Marsh, near Forestville. Opening south of the Upper Marsh Comment
  SEINET11808075  Solidago occidentalis W. Knight, Wagnon, K. 1987-1 s.n. Sonoma Willow Brook on embankment between Corona Rd & Old Redwood Hwy 6 Comment
  UCD136064  Solidago spathulata Mary M. Hektner 1974-1 s.n. Sonoma Unit 17 Owners' Map, Sea ranch, near State Highway 1. Comment
  CAS-BOT-BC365259  Solidago velutina subsp. californica Peter Rubtzoff 1951-9-15 749 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  UC485623  Solidago velutina subsp. californica Miss C. M. Huak August 1912 Sonoma Monte Rio Comment
  UCD158725  Solidago velutina subsp. californica Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca.1.5 mi east of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 822 Comment
  CAS-BOT-BC365966  Soliva sessilis Milo S. Baker 1927-4-15 2066 a Sonoma Near Kenwood. Hillside above House of Maple Glen Comment
  UCD136193  Sonchus oleraceus Gerry North 1993-4 5 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Across road from Goodspeed trailhead pullout. 228 Comment
  UCD95027  Spartina foliosa R. Tofsrud 1941-9-1 173 Sonoma Bridge at Tolay Creek. 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-BC390043  Spergula arvensis G. DeNevers 1981-3-14 536 Sonoma Pepperwood Ranch. Pippindale farm, 7 mi. NE of Santa Rosa, near Mark West lodge. Along Leslie road Comment
  CAS-BOT-BC251315  Spergularia Peter Rubtzoff 1959-6-20 4146 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC390976  Spergularia marina G. B. Rossbach; R. P. Rossbach 1938-5-27 630 Sonoma Bodega Bay Comment
  RSA0025194  Spiranthes Peter Rubtzoff 1969-6-27 6103 Sonoma Vernal pool, 6.5 mi northeast of Penngrove, on Lichan Road. 427 Comment
  UCR255517  Spiranthes porrifolia Peter Rubtzoff 1971-6-23 6547 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 229 Comment
  UC1222182  Spiranthes porrifolia Joseph P. Tracy 1950-5-24 18687 B Sonoma In field where the Knights Valley Road enters Alexander Valley (and leaves Muyacamas Creek). Comment
  UCD126021  Stachys bullata Author Unknown Date Unknown s.n. Sonoma exact location unknown. Comment
  UCD125776  Stachys chamissonis Mary M. Hektner 1974-6-3 17 -A Sonoma Sea Ranch. Near State Highway 1. Unit 24 Owners' Map. Comment
  SEINET12329226  Stachys rigida var. quercetorum W. Knight, Knight, I. 1984-1 5112 Sonoma Sea Ranch Comment
  RSA94645  Stellaria borealis subsp. sitchana Peter Rubtzoff 1951-6-9 153 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC397767  Stellaria media G. H. Mallory 1920-3-29 s.n. Sonoma East side of Rincon Valley; 6 mi from Santa Rosa. Comment
  HSC4274  Stellaria media F. Demostene 1966-4-2 10 Sonoma 2 mi. E of Healdsburg Comment
  RSA800341  Stellaria media Peter Rubtzoff 1955-5-21 1863 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC371379  Stellaria nitens Greg de Nevers 1998-5-5 11236 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  UC1394178  Stephanomeria elata L. D. Gottlieb 1966-8-5 66115 Sonoma 0.5 mi e junction with Cavedale Road (on Triniti Road) 548 Comment
  UCR74759  Stipa formicarum M. E. Barkworth, D. Amme 1989-6-15 5170 Sonoma c. 2 mi north of Jenner on US Hwy 1 70 Comment
Read comments
Aug 4 2008
  OBI35891  Stipa pulchra David J. Keil 1983-6-29 17205 Sonoma Ca. 10 mi SE of Ft. Ross along Hwy 1 Comment
  JEPS97636  Streptanthus barbiger Annetta M. Carter 1947-5-30 1843 Sonoma 2 mi. E of Occidental. Comment
  UC1178914  Streptanthus barbiger Herbert L. Mason 1946-7-4 12896 Sonoma ridge 2 mi e Occidental Comment
  UC956503  Streptanthus barbiger Freed W. Hoffman 1948-6-17 2345 Sonoma tributary of East Austin Creek North Coast Ranges, Gilliam Creek Comment
  SEINET11993690  Streptanthus barbiger Unknown 1984-1 40212 Sonoma 8.6 mi W on Hot Springs Road from its origin at US 01 near Cloverdale, across Dry Creek 198 Comment
  UCD167320  Streptanthus brachiatus James Neilson 1977-6-7 3912 Sonoma Mayacmas Mountains, Shell well site 'B'. (Location information obtained from Neilson 3848 which indicated that Shell drill site 'B' is about 2.5 mi. south of junction of ridgeline road and Socrates Mine Road. Exact location unknown, coordinates estimated by label maker.) Comment
  SEINET10735472 Image available Streptanthus brachiatus Arthur R. Kruckeberg 1949-6-5 Kruckeberg 2905 Sonoma Exposed serpentine ridge near Contact Mine, east of Pine Flat, on the Sonoma-Lake county line. 914 Comment
  UC956618  Streptanthus brachiatus subsp. brachiatus Freed W. Hoffman 1949-7-6 2871 Sonoma e. Pine Flat (ridge near contact Mine, on Sonoma-Lake co. line); North Coast Ranges 914 Comment
  UC117404  Streptanthus glandulosus subsp. glandulosus Michener and Bioletti 1892-5-1 Sonoma Hood's Peak Comment
  JEPS18148  Streptanthus glandulosus subsp. secundus Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5672 Sonoma headwaters of creek near Layton Chromite Mine (along and just above creek-bed); Big Austin Creek, vicinity of The Cedars 266 Comment
  UC985958  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-6-4 2904 Sonoma along road at base of mt 2.2 mi from Healdsburg Park (e of Healdsburg); North Coast Ranges, Fitch Mountain Comment
  UC1492769  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-25 3396 Sonoma near Guerneville; North Coast Ranges, Great Eastern Quicksilver Mines Comment
  JEPS82296  Streptanthus morrisonii Roger Raiche 1983-7-4 30472 Sonoma above Gilliam Creek; East Austin Creek State Recreational Area, Morrison Ridge 304 Comment
  UCD168052  Streptanthus morrisonii James Neilson 1981-5-15 4031 Sonoma Mayacmas Mountains, Shell Well Site E. Bear Ridge. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  UC10916  Streptanthus tortuosus var. suffrutescens F. T. Bioletti 1893-6-1 Sonoma Hood's Peak Comment
  UCD137411  Symphoricarpos albus var. laevigatus Frederica Bowcutt; Jeff Kennedy , Jolie Henricks 1994-5-1 1763 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  CAS-BOT-BC269709  Symphoricarpos mollis D. E. Breedlove 1962-6-6 2900 Sonoma Along State Highway 128, 1.5 miles northwest of U. S. Highway 101 at Cloverdale 121 Comment
  UCR255676  Symphyotrichum Greg de Nevers 1997-8-17 11078 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, Oak Hill Ranch 400 Comment
  UCD136522  Symphyotrichum chilense Mary M. Hektner; Sue Dakizaku and Cathy Hendel 1974-6-28 83 Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC97836  Symphyotrichum chilense Milo S. Baker 1948-9-1 12042 Sonoma About 1 mi north of [Hiway] Highway Junction (i.e., Sears Point) of Sears Point from Vallejo and Black Point cut off 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
  CAS-BOT-BC98567  Symphyotrichum lentum Peter Rubtzoff 1958-8-16 3863 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Rd.) - Sonoma County Marshes Comment
  UC463221  Symphyotrichum spathulatum L. R. Abrams 1907-8-1 Sonoma Sebastapol Comment
  CAS-BOT-BC99378  Symphyotrichum subspicatum Peter Rubtzoff 1958-8-31 3960 Sonoma Atascadero Creek Marsh 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
  UC1023608  Taeniatherum caput-medusae Virginia Bufford 1936-5-21 349 Sonoma Geyser Road 4 mi from Geyserville; Geyser Road Comment
  SEINET10575096  Tamarix parviflora John F. Gaskin 1998-7-2 Gaskin 78 Sonoma Hyde and Pearson Road, E 150 yds to corner. Comment
  UCD148394  Taraxacum Peter Rubtzoff 1958-4-26 3587 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UC1127670  Tellima grandiflora H. S. Yates 1934-4-21 3789 Sonoma near Bodega; Sebastopol Quad. 60 Comment
  POM20388  Thermopsis californica var. californica A. A. Heller, H. E. Brown, A. H. Heller 1902-4-22 7123 Sonoma Bet Santa Rosa and Agua Caliente Comment
  UCD166413  Thermopsis californica var. californica Peter Rubtzoff 1962-6-8 4886 Sonoma Bennett Mountain Lake. Comment
  UCSB21296  Thermopsis californica var. californica McCarthy, Sharon 1965-4-11 Sonoma East side of Bennett Peak, 2.5 miles west on dirt road from junction at Lawndale Road, 1 mile from its junction with State Highway 12, southwest of Glen Ellen Comment
  CAS-BOT-BC66815  Thysanocarpus curvipes G. DeNevers 1981-3-25 559 Sonoma Pepperwood Ranch. On Franz Valley Road below Walter Wards house. Comment
  POM143752  Thysanocarpus curvipes var. curvipes A. A. Heller, H. E. Brown 1902-4-14 5287 Sonoma Near Mark West Springs Comment
  RSA0049966  Thysanocarpus radians John H. Thomas 1968-4-4 14268 Sonoma 2.8 miles NE of highway 101 on road to Mark Springs West, along Mark Springs road. Comment
  CAS-BOT-BC447594  Tiarella trifoliata subsp. unifoliata Peter Rubtzoff 1954-8-2 1615 Sonoma Duncans Mills Marsh Comment
  SBBG2854  Tiarella trifoliata var. unifoliata H. and M. Dearing 1939-5-15 3384 Sonoma N of Fort Ross Comment
  UC903301  Tiarella trifoliata var. unifoliata Ethel Crum 1930-7-27 824 Sonoma 1 mi n Fort Ross; North Coast Ranges Comment
  UCD151088  Torilis arvensis James A. Neilson Jr. 1973-6-3 3002 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
  UCD160826  Torilis arvensis James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3352 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  SEINET5850106 Image available Torilis arvensis Robert A. Norris, John L. Inase, Allen Nakagwa 1981-1 4205 Sonoma Local in dry ditch by Trenton Rd., just S of and paralleling River Rd., (near N part of Laguna de Santa Rosa), approx. halfway between Guerneville and Santa Rosa, Sonoma Co. Calif. 15 Comment
  UC1134355  Torreya californica E. Armstrong 1934-3-25 906 Sonoma 1 mi w Camp Meeker; Sebastopol Quad. 152 Comment
  UCD112403  Toxicoscordion Christopher Mallek 2008-5-2 HC1- 1 Sonoma Hooker Canyon. 590 Comment
  UC32606  Trichostema lanceolatum Alice King Sep 1896 Sonoma Healdsburg Comment
  SEINET6165684 Image available Trichostema lanceolatum Unknown 1982-7-1 s.n. Sonoma 2 mi N.E. of Occidental Sonoma Co. Comment
  SEINET11993489  Trientalis latifolia F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -201 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 800 Comment
  CAS-BOT-BC166760  Trifolium Peter Rubtzoff 1970-9-13 6386 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC173535  Trifolium Peter Rubtzoff 1974-6-2 7511 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173538  Trifolium Peter Rubtzoff 1974-5-26 7485 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC173629  Trifolium Peter Rubtzoff 1974-5-18 7430 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  JEPS117950  Trifolium Zoya Akulova-Barlow 2005-12-1 Sonoma Cloverdate River Park, Russian River Comment
  CAS-BOT-BC480358  Trifolium albopurpureum D. E. Breedlove 1976-3-27 39448 Sonoma above Dry Creek, west of Warm Springs Dam Comment
  JEPS117087  Trifolium barbigerum Peter Warner 2010-4-15 130 Sonoma Jenner Headlands, Sonoma Land Trust property, along primary access road (Willig Ave. Extension), approx. 1 km N of Jenner village, in ultramafic grassland about 25 m E of road. Comment
  UC1076192  Trifolium barbigerum Herbert L. Mason 1934-4-28 8095 Sonoma Hwy betw Healdsburg and Santa Rosa Comment
  SEINET7067270  Trifolium barbigerum var. andrewsii 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
  CAS-BOT-BC371444  Trifolium bifidum Greg de Nevers 1998-5-5 11231 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  CAS-BOT-BC361336  Trifolium ciliolatum Greg de Nevers 1997-4-25 10978 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  SEINET7042676  Trifolium ciliolatum A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UC631218  Trifolium depauperatum var. amplectens P. B. Kennedy 1915-5-28 Sonoma Del Mar Comment
  UC16476  Trifolium depauperatum var. depauperatum W. H. Brewer 1862-4-18 980 Sonoma near Sonoma (in a field) Comment
  UCD147004  Trifolium incarnatum Robert E. Preston 2011-4-28 2849 Sonoma Sonoma, in vacant lot N of MacArthur St, between 4th St and Hayes St. 21 Comment
  UCD111235  Trifolium incarnatum Allen Hahus 1978-4-22 18 Sonoma 0.25 mile west of Jonive Road on Highway 12. Comment
  UCD111243  Trifolium incarnatum Michael A. Vincent; Ethan H. Freid 1998-4-7 8170 Sonoma Cloverdale. Along S. Cloverdale Blvd., just of Rt. 101 exit. Comment
  JEPS128265  Trifolium microcephalum Roger Raiche 2000-4-8 031 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCR255043  Trifolium microcephalum Greg de Nevers 1997-4-24 10976 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC361358  Trifolium microcephalum Greg de Nevers 1997-4-16 10939 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  UCD109175  Trifolium microdon R. Tofsrud 1951-5-20 s.n. Sonoma Huichica School near Sonoma. Comment
  POM21419  Trifolium obtusiflorum A. A. Heller 1902-5-23 5605 Sonoma Sonoma Comment
  UCD38484  Trifolium repens Beecher Crampton 1955-6-17 2936 Sonoma 1/2 mile south of Guerneville. Comment
  SEINET12166392  Trifolium striatum H. K. Wagnon 1989-1 1887 Sonoma at edge of Fort Ross School's Reservoir, Timber Cove 122 Comment
  SEINET12165539  Trifolium subterraneum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -194 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  RSA51332  Trifolium variegatum var. variegatum Peter H. Raven 1950-4-6 1609 Sonoma Lower slopes of Rincon Ridge, 4 miles to Sonoma from Santa Rosa. 244 Comment
  UC725692  Trifolium willdenovii A. A. Heller 1902-6-10 Sonoma Santa Rosa Comment
  HSC15175  Trifolium willdenovii S. N. Wiemeyer 1962-4-13 13 Sonoma 2.1 mi. N of Jct. of Calistoga Rd. and Hwy. 12 274 Comment
  UC535099  Trifolium willdenovii H. E. Parks 1930-5-9 621 Sonoma edge of Alexander Valley Comment
  UC1057464  Trifolium wormskioldii G. Thomas Robbins 1937-5-23 197 Sonoma ca 10 mi w Santa Rosa (Pitkin Ranch); Vine Hill region Comment
  UC1130177  Trifolium wormskioldii H. S. Yates 1934-4-21 3785 Sonoma near Bodega; Sebastopol Quad. 91 Comment
  CAS-BOT-BC520844  Trillium albidum A. A. Heller; H. E. Brown 1902-3-12 5035 Sonoma Eastern Base of Mt. Hood Comment
  SEINET5083020  Trillium ovatum Unknown 1994-4-3 70 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  SEINET7067236  Triphysaria eriantha A. G. Vestal 1947-5-13 s.n. Sonoma Base of dunes, Bodega Head. Coordinate datum: NAD27. UTM Zone 10, 505861mE, 4250832mN. Comment
  JEPS3418  Triphysaria eriantha subsp. rosea Eleanor Armstrong 1933-4-15 775 Sonoma Bodega Bay; near ocean 6 Comment
  JEPS73312  Triphysaria pusilla Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 745 Sonoma 1 mi w of Two Rock Junction Comment
  JEPS11169  Triphysaria versicolor subsp. faucibarbata R. F. Hoover 1939-4-18 4034 Sonoma Occidental Comment
  JEPS19396  Triphysaria versicolor subsp. faucibarbata G. Thomas Robbins 1938-4-15 262 Sonoma along road to Graton 6-7 mi w Santa Rosa Comment
  UC1537449  Triphysaria versicolor subsp. faucibarbata Gordon H. True Jr. 1936-4-7 406 Sonoma near Sonoma 91 Comment
  HSC20865  Triphysaria versicolor subsp. faucibarbata Anonymous 1957-4-13 77 Sonoma 1 mi. N of El Verano 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
  CAS-BOT-BC227673  Trisetum canescens Peter Rubtzoff 1958-5-30 3683 Sonoma Duncans Mills Marsh. Comment
  UC1146666  Trisetum canescens Freed W. Hoffman 1943-6-6 2212 Sonoma coast road near Bridgehaven; North Coast Ranges Comment
  UCD93498  Trisetum canescens Beecher Crampton 1955-6-17 2950 Sonoma 4.5 miles S of Cazadero. Comment
  CAS-BOT-BC522374  Triteleia hyacinthina Catherine Best 1983-5-11 s.n. Sonoma In a field along the west side of Arnold Drive about .5 miles south of the intersection of Hwy. 116 Comment
  UC421767  Triteleia hyacinthina R. L. Pendleton 1906-5-24 356 Sonoma Kenwood Saratoga 144 Comment
  CAS-BOT-BC527035  Triteleia laxa Dorothy Scherer 1997-5-6 125 Sonoma Along path heading north off Fort Ross Road, ca. .6 mile west of Seaview Road, Fort Ross State Historic Park 365 Comment
  CAS-BOT-BC527038  Triteleia laxa Barbara Dous 1907-7-12 s.n. Sonoma Sebastopol Comment
  CAS-BOT-BC527042  Triteleia laxa John H. Thomas 1976-6-16 18330 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UC1041014  Triteleia peduncularis J. W. Congdon 1880-5-3 Sonoma Santa Rosa Comment
  CAS-BOT-BC527974  Triteleia peduncularis Peter Rubtzoff 1951-6-9 168 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  RSA378054  Triteleia peduncularis J. W. Congdon 1880-5-16 s.n. Sonoma Sting Point? Sebastapol Road. Comment
  RSA540052  Typha latifolia Peter Rubtzoff 1964-8-20 5459 Sonoma Americano Creek area. On Petaluma-Valley Ford Road near Bloomfield. Comment
  RSA94265  Typha latifolia Peter Rubtzoff 1951-8-4 572 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  UC1084365  Ulex europaeus G. Thomas Robbins 1937-3-26 31 Sonoma Forming dense thickets along road W of Bodega. Comment
  UCD164988  Ulmus Peter Rubtzoff 1974-8-31 7855 Sonoma Kenwood Marsh. Comment
  CDA15846  Umbellularia californica G. F. Hrusa, G. L. Stebbins 1993-10-3 11462 Sonoma Sugarloaf Ridge State Park. Trail to Bald Mountain. Midway. 518 Comment
  UCD158805  Uropappus lindleyi James A. Neilson Jr. 1974-3-27 2940 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  SEINET5887385 Image available Urtica dioica subsp. gracilis L. S. Rose 1964-1 64056 Sonoma Ca 5 ft end of Bodega Bay Comment
  CAS-BOT-BC404226  Urtica dioica subsp. holosericea Peter Rubtzoff 1973-9-9 7311 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC404232  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-6-24 5386 Sonoma Coleman Marsh Comment
  CAS-BOT-BC404240  Urtica dioica subsp. holosericea Peter Rubtzoff 1959-6-13 4116 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC404245  Urtica dioica subsp. holosericea Peter Rubtzoff 1954-8-13 1717 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC193381  Vaccinium ovatum Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma North of Fort Ross Comment
  RSA240623  Vaccinium ovatum C. W. Tilforth, John Dourley 1973-7-18 907 Sonoma Occidental Rd. between Molino and Occidental, n.w. of Sebastopol. Comment
  CAS-BOT-BC199473  Vaccinium parvifolium Ira L. Wiggins 1948-3-21 11617 Sonoma At western margin of Kruse Rhododendron State Park Comment
  RSA471155  Vaccinium parvifolium H. L. Bauer 355 Sonoma Big Basin Comment
Read comments
Sep 18 2012
  UC912416  Vaccinium parvifolium Herbert L. Mason 1928-7-11 4892 Sonoma 2 miles north of Fort Ross Comment
  CAS-BOT-BC76164  Vancouveria planipetala J. W. Congdon 1892-5-30 s.n. Sonoma Cazadero. Comment
  CAS-BOT-BC76170  Vancouveria planipetala Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  HSC15731  Veratrum fimbriatum C. B. Wolf 1927-9-2 1350 Sonoma 1.0 mi. S of Gualala River Comment
  CAS-BOT-BC154133  Verbascum Peter Rubtzoff 1951-9-3 735 Sonoma Vacation Beach, near Guerneville along Russian River Comment
  CAS-BOT-BC156316  Verbascum Peter Rubtzoff 1954-8-11 1687 Sonoma [Guernerville] Guerneville Marsh Comment
  CAS-BOT-BC320526  Verbascum Peter Rubtzoff 1973-8-29 7289 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CDA16000  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15680 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Sheet 2 of 2. Comment
  CDA16001  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15681 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Sheet 1 of 2. Comment
  UCR256103  Verbena Greg de Nevers 1992-7-25 10227 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC164359  Veronica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 mi. east of Guerneville. At 9981 Old River Road. Comment
  CAS-BOT-BC166930  Veronica Peter Rubtzoff 1970-4-19 6212 Sonoma Forest Hills, 5.5 mi. east of Guerneville at 9981 Old River Road. Comment
  CAS-BOT-BC262794  Veronica americana Peter Rubtzoff 1973-8-29 7280 Sonoma Sonoma Creek, near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA783733  Veronica americana Peter Rubtzoff 1960-6-9 4481 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  UCR244741  Veronica americana Peter Rubtzoff 1962-5-11 4813 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  RSA783732  Veronica americana Peter Rubtzoff 1960-5-22 4409 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville Roads.) Comment
  UCR255034  Veronica peregrina Greg de Nevers 1998-4-21 11159 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC353801  Veronica scutellata Milo S. Baker 1928-4-28 3006 a Sonoma Pitkin Swamp Comment
  CDA42011  Veronica scutellata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. 0 Comment
  POM312401  Veronica scutellata Malcolm A. Nobs, S. Galen Smith 1949-8-1 1107 Sonoma 2 miles east of Stewart's Pt on road to Geyserville. Comment
  UC764641  Vicia gigantea R. F. Hoover 1941-5-14 5098 Sonoma sw of Occidental (near Joy District School) Comment
  UCR256113  Vicia lutea Greg de Nevers 1994-5-21 10524 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1084368  Vicia sativa G. Thomas Robbins 1937-3-26 34 Sonoma just e Bodega (along road to Bodega) 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
  CAS-BOT-BC361421  Vicia tetrasperma Greg de Nevers 1993-7-4 10471 Sonoma Willow Creek drainage downhill from 18375 Willow Creek Rd. 243 Comment
  RSA0057958  Vicia villosa subsp. villosa Greg de Nevers 1998-4-27 11205 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  UCR267158  Vinca major Peter Warner 2010-3-1 111 Sonoma State Hwy 1 at 6.77 mile marker, west of junction of Bay Hill Rd., between road and Cheney Gulch Creek 39 Comment
  HSC21812  Viola adunca James Faro 1962-4-22 23 Sonoma Ocean Cove Ranch, about 4 mi. N of Fort Ross on Hwy. 1 Comment
  CAS-BOT-BC270246  Viola adunca W. W. Carruth 1904-6-1 s.n. Sonoma Hills near Gualala Comment
  CAS-BOT-BC536907  Viola glabella Peter Rubtzoff 1955-5-7 1820 Sonoma Sonoma County Marshes: Guerneville Marsh, along the margin of the Marsh where it borders a redwood forest Comment
  CAS-BOT-BC536962  Viola lobata Mary P. Wells 1984-5-1 204 Sonoma Near Humbug Creek, S of Calistoga Rd, Hood Mountain Range Comment
  UC1763295  Viola lobata Milo S. Baker 1905-4-1 5221 Sonoma Hood Mountain on Macartney road Comment
  UC19295  Viola lobata subsp. lobata W. H. Brewer 1864-1 3943 Sonoma near the Geysers (at Pine Mountain); Pine Mountain Comment
  CDA10944  Viola ocellata G. F. Hrusa, G. L. Stebbins 1994-3-28 11702 Sonoma North Coast Biodiversity Arena; Along Austin Creek, 4.3 m. N of Duncan's Mills on D.M. Cazadero Rd. Adjacent to East Austin Cr. Rd. on E side of Creek. Comment
  UC1761452  Viola ocellata Milo S. Baker May 1899 992 Sonoma Stewarts Canyon Santa Cruz Mountains Comment
Read comments
Jun 8 2007
  CAS-BOT-BC135288  Viscum album Stanley Rose 1966-4-3 s.n. Sonoma about 1 mile from Sebastopol on Gravenstein Highway North Comment
  SEINET3825247 Image available Viscum album Stanley Rose 1966-1-2 Sonoma 1 miles from Sebastopol on Gravenstein Highway North Comment
  CAS-BOT-BC290696  Vitis Peter Rubtzoff 1970-8-31 6350 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  CAS-BOT-BC203126  Vitis californica Peter Rubtzoff 1960-5-29 4423 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) 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
  CAS-BOT-BC203132  Vitis californica H. E. McMinn 1922-6-7 188 Sonoma Stream entering Russian River - 2 1/2 mi. from Cosmo Comment
  UCD17105  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma On highway near Hilton, 2 miles E of Korbel on Russian River. Comment
  CAS-BOT-BC199909  Vulpia bromoides Peter Rubtzoff 1955-5-21 1878 Sonoma Ross Marsh Comment
  RSA123467  Vulpia bromoides H. S. Yates 1937-6-6 6585 Sonoma 3 miles east of Jenner. 61 Comment
  UCD93548  Vulpia bromoides P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UCD93553  Vulpia bromoides Paul Klemansky 1934-4-28 s.n. Sonoma near Llano Road, south of Santa Rosa. Comment
  CAS-BOT-BC184594  Vulpia microstachys var. pauciflora G. DeNevers 1981-6-4 1431 Sonoma On road cut top of W arm of Garrison Canyon Comment
  UCD94520  Vulpia microstachys var. pauciflora Beecher Crampton 1967-5-15 7929 Sonoma Lytton. Comment
  SEINET10559776  Vulpia microstachys var. pauciflora Henry N. Bolander Bolander 0 /4 Sonoma Geysirs, lower California Comment
  CAS-BOT-BC185832  Vulpia myuros subsp. megalura A. A. Heller 1902-6-10 5681 Sonoma Santa Rosa Comment
  CAS-BOT-BC185957  Vulpia octoflora var. octoflora Greg de Nevers 1997-5-8 10995 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
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