Search Results — 2000 specimen records retrieved (1274 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78075  Abies grandis Walter Knight; Irja Knight 1964-2-27 538 Sonoma Valley Crossing Comment
  RSA0025741  Abronia latifolia J. R. Bruff 1936-07 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC451112  Acaena pinnatifida var. californica Alice Eastwood 1915-6-29 4114 Sonoma Bodega Point Comment
  UC14111  Acaena pinnatifida var. californica Harley P. Chandler 1900-5-25 665 Sonoma Bodega Comment
  CAS-BOT-BC361332  Acaena pinnatifida var. californica Greg de Nevers 1997-4-26 10982 Sonoma Point Reyes National Seashore, Bayview Trail Comment
  UC1084436  Acer macrophyllum G. Thomas Robbins 1940-3-21 294 Sonoma along Chalk Hill road ca 5 mi e Windsor; e of Windsor 91 Comment
  UCR2992  Acer macrophyllum Wm. Horn Jr. 1963-4-10 630410- 3 Sonoma San Francisco Bay Region, 4 mi west of Sebastopol, 40 yd north of Bodega Hwy Comment
  CAS-BOT-BC332756  Acer macrophyllum J. W. Congdon May, July (no year stated) s.n. Sonoma Unspecified Comment
  RSA264692  Acer negundo subsp. californicum Peter Rubtzoff 1970-8-31 6347 Sonoma Bank of Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  SEINET11842967  Achillea borealis subsp. californica F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -228 Sonoma end of Stoetz Road 200 Comment
  RSA719883  Achillea millefolium Linda E. Watson 1996-5-19 96 -3 Sonoma At Bodega Bay, 2 miles N of Salmon Creek, Bodega Bay Population of Clausen, keck, and Heisey studies on ecotypes. Comment
  UCSB15937  Achillea millefolium 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC30450  Achillea millefolium Saichi Kawahara 1968-4-20 315 Sonoma Along Highway 116, 3 miles northeast of Lakeville Road 76 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
  RSA0000831  Achillea millefolium var. arenicola A. A. Heller 1902-5-27 5608 Sonoma Bodega Bay Comment
  UCD151098  Acmispon James A. Neilson Jr. 1974-6-1 s.n. Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  SEINET3523218 Image available Acmispon aestivalis A. A. Heller 1938-8-11 15321 Sonoma Knights Valley, Oak Belt of Upper Sonoran Life Zone Comment
  UCD104032  Acmispon brachycarpus Frederica Bowcutt 1996-3-24 2084 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 0.5 air mile SSE of Red Mountain. Near large rock outcrop/Vista Rock along Vista Trail. 563 Comment
  UCD104293  Acmispon parviflorus Frederica Bowcutt 1994-6-12 1861 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, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  UCD104332  Acmispon parviflorus R. Tofsrud 1948-5-1 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC391714  Actaea rubra L. R. Abrams 1920-7-3 7602 Sonoma Gualala River, near Mendocino - Sonoma County Line Comment
  SD88500  Adenocaulon bicolor Darley F. Howe 1972-6-27 Sonoma Trail above Duncan Mills Pond Comment
  UCD128526  Adenocaulon bicolor K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  JEPS97818  Adiantum aleuticum R. Raiche and K. Zadnik 1981-1-12 Sonoma Willow Creek Rd. Comment
  CAS-BOT-BC164059  Adiantum pedatum Peter Rubtzoff 1965-10-10 5657 Sonoma Duncans Mills Marsh. Comment
  CDA1673  Aegilops triuncialis T. C. Fuller 1960-6-14 4485 Sonoma J. Black Ranch, River Road, ca. 6 miles E/ Cloverdale. 0 Comment
  CAS-BOT-BC202706  Aesculus californica Peter Rubtzoff 1960-6-10 4494 Sonoma Fife Creek Marsh Comment
  POM136963  Aesculus californica A. A. Heller 1902-6-4 8924 Sonoma Santa Rosa. Comment
  CAS-BOT-BC184  Agoseris apargioides var. eastwoodiae Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC29576  Agoseris apargioides var. eastwoodiae Rimo Bacigalupi 1928-6-18 1877 Sonoma At mouth of Salmon Creek, 2 miles south of Bodega Bay Comment
  CAS-BOT-BC29574  Agoseris apargioides var. eastwoodiae Doreen Smith 2003-5-22 s.n. Sonoma Bodega Dunes, SE of research facility Comment
  UCD160854  Agoseris grandiflora James A. Neilson Jr.; Teresa A. Sholars 1975-6-25 3275 Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCD128435  Agoseris grandiflora Frederica Bowcutt 1994-6-12 1864 Sonoma Sugarloaf Ridge State Park. about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 1.5 air miles north of Kenwood, and 18 air mles NW of Napa. Adobe Canyon north of Sonoma Creek, north of Adobe Canyon Road, About 50 yards N. of Pony Gate trail juncture. 432 Comment
  CAS-BOT-BC166693  Agrostis Peter Rubtzoff 1973-9-9 s.n. Sonoma Kenwood Marsh, 0.5 mi. S of Kenwood. Comment
  CAS-BOT-BC209997  Agrostis Peter Rubtzoff 1965-8-13 5590 Sonoma Goat Rock State Beach area, 1.6-1.8 mi. NW of State Hwy. #1 junction. Comment
  CAS-BOT-BC210017  Agrostis Peter Rubtzoff; H. A. Froebe 1971-5-30 6501 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  RSA785753  Agrostis Peter Rubtzoff 1974-5-25 7461 Sonoma Upper Green Valley Marsh. Comment
  RSA785931  Agrostis Peter Rubtzoff 1973-7-24 7195 Sonoma Upper Green Valley Marsh. Comment
  UCD148481  Agrostis Peter Rubtzoff 1964-7-14 5403 Sonoma Bennett Mountain Lake. Comment
  UCD166090  Agrostis Peter Rubtzoff 1971-6-29 6580 Sonoma Pitkin Marsh, near Forestville. 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
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  SEINET3916084  Agrostis blasdalei Beecher Crampton 1957-7-11 4330 Sonoma 0.9 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1.; 0 Comment
  UC1146602  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach North Coast Ranges 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
  UCD52003  Agrostis densiflora Beecher Crampton 1957-7-11 4343 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  CAS-BOT-BC361400  Agrostis elliottiana Greg de Nevers 1993-5-6 10437 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd., at Weimar Flat 457 Comment
  CAS-BOT-BC126974  Agrostis exarata Peter Rubtzoff 1951-8-18 622 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  OBI22553  Agrostis exarata Robert F. Hoover 1966-7-17 9415 Sonoma Sausal Crk N of Alexander Valley Comment
  SEINET3916273  Agrostis exarata Fred W. Hoffman 1941-6-29 2069 Sonoma North Coast Ranges. Sonoma Mountain Road.; 0 Comment
  UC1146692  Agrostis exarata Freed W. Hoffman 1943-10-2 2171 Sonoma on Ross Road near Graton; North Coast Ranges Comment
  UCD53510  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCD52229  Agrostis exarata var. pacifica Beecher Crampton 1957-7-22 4381 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  CAS-BOT-BC139554  Agrostis gigantea Peter Rubtzoff 1951-7-1 335 Sonoma Pitkin Marsh near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC138854  Agrostis microphylla K. Wagnon 1939-5-21 214 Sonoma On Road 9, four miles west of Sebastapool on Bodega highway. Comment
  UCD33495  Agrostis microphylla Beecher Crampton 1969-7-14 8494 Sonoma Sonoma County, The Geysers, 12 miles (direct line) east of Colverdale. 493 Comment
  UCR279856  Agrostis microphylla Peter Rubtzoff, Tim Tunison, Nancy Harrison 1976-6-5 8584 Sonoma North Coast Ranges, False Lake Meadow area, Annadel State Park 244 Comment
  SBBG26362  Agrostis microphylla B. Crampton 1966-5-10 Sonoma 5.5 mi N of Sonoma. St Hwy 12 Comment
  UCD53053  Agrostis microphylla Freed W. Hoffman 1941-6-20 2088 Sonoma Dutch Hill Creek. Comment
  UCD53067  Agrostis microphylla var. intermedia L. Whitney 1935-4-14 2258 b Sonoma Blunden's Pasture near Occidental. Comment
  CAS-BOT-BC138916  Agrostis pallens John Thomas Howell 1945-7-18 s.n. Sonoma Drier borders of Pitkin Marsh. Comment
  CAS-BOT-BC138918  Agrostis pallens G. DeNevers 1981-7-1 1721 Sonoma Pepperwood Ranch. Garrison Canyon. Comment
  CAS-BOT-BC138919  Agrostis pallens G. DeNevers 1981-5-30 1402 Sonoma Pepperwood Ranch. 1st Canyons cutting EW on the E slope of Horse Hill. Comment
  UCD53519  Agrostis stolonifera P. B. Kennedy 1917-8-27 s.n. Sonoma Del Mar. Comment
  JEPS45806  Aira caryophyllea Eleanor Armstrong 1932-6-4 188 Sonoma 1/2 mi w Camp Meeker (near St. Dorothy's Rest) 137 Comment
  UCD37349  Aira caryophyllea Beecher Crampton 1959-6-16 5368 Sonoma Sonoma County, 0.2 mile east of Occidental, on Occidental Road. Comment
  RSA94464  Aira caryophyllea Peter Rubtzoff 1951-6-16 230 Sonoma Lower part of the upper marsh. Comment
  CAS-BOT-BC138399  Aira caryophyllea var. capillaris John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54665 Sonoma Bouverie Audubon Preserve, about 1.5 mile east of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC138396  Aira caryophyllea var. capillaris John Thomas Howell 1944-5-14 s.n. Sonoma Chileno Valley, southern Sonoma county. Comment
  RSA800349  Alisma lanceolatum Peter Rubtzoff 1977-8-12 9114 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  SBBG39793  Alisma lanceolatum P. Rubtzoff 1954-7-17 1550 Sonoma Austin Crk Marsh Comment
  UCD55144  Alisma lanceolatum Ellen Dean; Tammie Beyerl 2006-4-28 3026 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. At inlet of small reservoir SE of Pepperwood lake reservoir. 163 Comment
  CAS-BOT-BC445332  Alisma lanceolatum Peter Rubtzoff 1959-6-27 4189 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Road crossing. Comment
  RSA790061  Alisma lanceolatum Peter Rubtzoff 1970-8-18 6303 Sonoma Five miles north of Sears Point. Comment
  CAS-BOT-BC445474  Alisma triviale Peter Rubtzoff 1951-7-28 565 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  UCR256119  Allium Greg de Nevers 1993-5-17 10450 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 220 Comment
  CAS-BOT-BC462381  Allium amplectens Milo S. Baker 1927-6-10 2211 a Sonoma Macartney Woods Comment
  CAS-BOT-BC462385  Allium amplectens Peter Rubtzoff 1963-6-18 5182 Sonoma Bennett Mt. Lake Comment
  CAS-BOT-BC469102  Allium dichlamydeum Milo S. Baker 1932-5-3 5948 Sonoma 1 mile north of Salmon Creek Comment
  CAS-BOT-BC474313  Allium unifolium Greg de Nevers 1992-4-29 10127 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In streambed above Rogers 475 Comment
  CAS-BOT-BC474310  Allium unifolium Peter Rubtzoff 1958-5-10 3646 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Road) Comment
  CDA39418  Allium unifolium T. C. Fuller 1967-5-19 15884 Sonoma South side of Petaluma - Valley Ford Hwy., 2 miles northwest of Two Rock. 0 Comment
  RSA786922  Alnus rhombifolia Carrie A. Herd 1982-03 23 Sonoma Crane Creek Regional Park Comment
  CAS-BOT-BC169362  Alnus rubra Peter Rubtzoff 1962-7-14 4998 Sonoma Lower Salmon Creek Marsh, along streamlet Comment
  RSA800594  Alnus rubra Peter Rubtzoff 1969-7-21 6118 Sonoma Duncan Mills Marsh. Comment
  UCD166182  Alnus rubra Peter Rubtzoff 1969-7-21 6118 Sonoma Duncan Mills Marsh. Comment
  CAS-BOT-BC138150  Alopecurus aequalis var. aequalis Peter Rubtzoff 1955-7-30 1994 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC138047  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1955-5-21 1882 Sonoma Ross Marsh. Comment
  RSA129282  Alopecurus aequalis var. sonomensis H. S. Yates 1936-5-16 5619 Sonoma Near Green Valley school. 91 Comment
  CAS-BOT-BC540805  Amaranthus Peter Rubtzoff 1973-10-10 7345 Sonoma American Creek area, 2 miles west of Bloomfield. Comment
  CAS-BOT-BC44967  Ambrosia chamissonis Mary P. Wells 1981-7-1 s.n. Sonoma Goat Rock State Beach Comment
  RSA90498  Amelanchier florida M. V. Ott 1934-3-31 82 Sonoma Larkspur Hill about 3 miles W of Bodega, near the coast. 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
  UCR255685  Amelanchier utahensis Greg de Nevers 1998-4-27 11198 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  CAS-BOT-BC154124  Ammannia coccinea Peter Rubtzoff 1956-9-16 2922 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  UCD165772  Ammannia robusta Peter Rubtzoff 1973-8-27 7272 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC137882  Ammophila arenaria W. M. Hiesey 1945-9-21 551 a Sonoma Bodega sand dunes. Comment
  UCD55996  Ammophila arenaria Mary M. Hektner 1974-7-2 99 Sonoma near State Highway 1, Sea Ranch, Unit 28 Owners' Map, near Walk-on-Beach. Comment
  SEINET211918  Ammophila arenaria subsp. arenaria J. Taylor, C Taylor 1971-5-29 8065 Sonoma South side of the Russian River adjacent to the Pacific Ocean Comment
  CAS-BOT-BC180632  Amorpha californica var. californica M. K. Curran 1886-6-6 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC222273  Amsinckia Alice Eastwood; John Thomas Howell 1940-5-5 7871 Sonoma North end of Sonoma Mt. Comment
  RSA0089717  Amsinckia intermedia L. S. Rose 1952-4-18 62027 Sonoma Petaluma. 6 Comment
  RSA0089718  Amsinckia intermedia A. A. Heller, H. E. Brown 1902-3-26 5158 Sonoma Santa Rosa Creek. Comment
  UCD119719  Amsinckia lycopsoides K. Esau 1932-2-28 s.n. Sonoma Petaluma. Comment
  SEINET12337128  Amsinckia spectabilis C. Best, Irja, W.; Knight, T. 1991-1 6601 Sonoma Bodega Marine Preserve Comment
  UCD119806  Amsinckia spectabilis Peter Kamb; Ray 1952-5-30 2298 Sonoma Hill 108 between Horseshoe Cove and Mussel Point, north end of Bodega Head. 30 Comment
  UCD160840  Anagallis arvensis James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3471 Sonoma Section 10, ca. 1.5 miles west of the Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  SEINET5733527 Image available Anagallis arvensis Michelle Mahoney 1965-1 29 Sonoma Behind Shell Oil station.; Jenner 30 Comment
  UCD117429  Anagallis arvensis Jennifer Bury; Peggy Herzog 1993-5-8 297 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. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile. On Bald Mountain Stem Trail. 371 Comment
  RSA94466  Andropogon glomeratus Peter Rubtzoff 1951-11-24 849 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh; in a marshy opening. Comment
  UC1011022  Andropogon virginicus var. virginicus Virginia Bufford 1935-9-8 77 Sonoma Pitkins Marsh Comment
  CAS-BOT-BC391877  Anemone grayi Ella Dales Cantelow 1939-4-10 4233 Sonoma 7 mi. e. of Seaview Comment
  CAS-BOT-BC361386  Anemone oregana Greg de Nevers 1997-2-28 10902 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa W of Tower-in-Saddle, along fence line downhill from gate to Shurtleff property 400 Comment
  HSC71481  Angelica californica J. M. DiTomaso 1980-6-13 1596 Sonoma 4900 Trinity Rd., between Glen Ellen and Oakville Comment
  OBI9030  Angelica hendersonii Tracey Call, Viola Call 1961-6-10 2071 Sonoma 1 mi north of the Kruse Rhododendron State Park Comment
  UCD161384  Angelica tomentosa James A. Neilson Jr.; Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mountains. Ca. 1 1/2 miles northeast of the junction of Socrates Mine Road and Pine Flat Road. (Coordinates and location estimated by label maker.) 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
  SD41487  Angelica tomentosa var. hendersonii Edith A. Purer 1932-7-21 4046 Sonoma Bodega Bay Comment
  CAS-BOT-BC271436  Anisocarpus madioides Volney Rattan 1877-6-16 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC271438  Anisocarpus madioides C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  CAS-BOT-BC271439  Anisocarpus madioides Peter Rubtzoff 1954-6-5 1454 Sonoma Hills south of Guerneville, Neeley Hill area Comment
  CAS-BOT-BC173822  Anthemis cotula Peter Rubtzoff 1969-8-29 6172 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  JEPS71147  Anthoxanthum aristatum Eleanor Armstrong 1932-6-9 191 Sonoma near Camp Meeker 121 Comment
  CAS-BOT-BC488329  Anthoxanthum aristatum subsp. aristatum Ayzik Solomeshch 2009-5-14 s.n. Sonoma 2.3 km SE of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1 Comment
  CHSC35160  Anthoxanthum odoratum M. E. Banning 1969-5-10 118 Sonoma 8 mi. s of Stewards Point on Highway 1. Comment
  JEPS83375  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 328 Sonoma just w Hacienda (along River Road, on n side of road); Guerneville Quad. (7.5', 1955) 24 Comment
  UC717979  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David D. Keck 1944-7-11 5510 Sonoma s bank The Geysers; Mayacamas Range Comment
  RSA371498  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-8-10 329 Sonoma Healdsburg. On E side of Fitch Mt., just S of resort area on E side. 46 Comment
  POM14615  Antirrhinum virga Mcluner, Bioletti 1893-06 s.n. Sonoma Hood's Peak Comment
  UCD151257  Antirrhinum virga James A. Neilson Jr. 1974-7-10 2833 Sonoma Mayacmas Mountains. South of Little Geysers. 731 Comment
  SEINET5779372 Image available Apium graveolens Marcus E. Jones 1882-1 3604 Sonoma Duncan's Mills Comment
  UC22905  Apocynum androsaemifolium F. T. Bioletti 1892-7-5 Sonoma s. Los Guilucos Comment
  UC725679  Aquilegia formosa A. A. Heller 1940-5-10 15601 Sonoma near Fort Ross Comment
  SEINET12094716  Aquilegia formosa var. truncata F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -269 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SBBG83715  Arbutus menziesii G. H. Bolton 1975-4-19 12 Sonoma 1 mi W of St Hwy 12, Sebastopol Comment
  RSA629210  Arctostaphylos Jon E. Keeley 1993-9-11 24790 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629217  Arctostaphylos Jon E. Keeley 1993-9-11 24782 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC535027  Arctostaphylos H. F. Copeland 1932-3-18 A 4 Sonoma n Santa Rosa; Rincon Ridge Comment
  UC549553  Arctostaphylos J. E. Adams 1934-3-28 719 Sonoma near Santa Rosa; Vine Hill Comment
  CDA11253  Arctostaphylos bakeri G. F. Hrusa, G. L. Stebbins, D. Keil, V. L. Holland 1994-6-5 11876 Sonoma North Coast Biodiversity Arena; Approx. 1 m. N of Camp Meeker on Bohemian Hwy. 0 Comment
  UC1120875  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1552 Sonoma 1 mi ne Occidental; Sebastopol Quadrangle Comment
  UC1120878  Arctostaphylos bakeri A. E. Wieslander 1936-9-19 706 Sonoma 1 mi nw Occidental; Sebastopol Quadrangle Comment
  UC1220417  Arctostaphylos bakeri B. F. Smith 1962-8-3 28 Sonoma 3.5 mi nnw Occidental; Quad. 64B2 158 Comment
  UC1614274  Arctostaphylos bakeri Charles M. Belshaw 1936-3-7 1556 A Sonoma 2 mi nne of Occidental Comment
  UCD170221  Arctostaphylos bakeri S. J. Seybold; M. A. Siefker 2017-11-14 s.n. Sonoma Vadasz Vineyards, 18070 Carriger Road. Located behind main house on property. 64 Comment
  SEINET10482703  Arctostaphylos bakeri Frederick H. Utech, Walter Knight; Irja Knight 1984-4-18 Utech 84 -167 Sonoma 0.2 mi W on Harrison Grade Road from jct with Stoetz Ln. Cupressus sargentii dominant tree in area. Plants common; to 8 ft tall in serpentine chaparral. 146 Comment
  CDA980  Arctostaphylos bakeri subsp. bakeri D. G. Kelch 2006-6-24 6 .324 Sonoma On serpentine along Harrison Grade. Comment
  RSA240619  Arctostaphylos bakeri subsp. bakeri C. W. Tilforth, John Dourley 1973-7-18 909 Sonoma Graton Rd. 1 mi E of Occidental Comment
  UCD51783  Arctostaphylos bakeri subsp. bakeri Roger Raiche 1985-9-29 RR 50899 Sonoma Northeast end of town of Healdsburg on Reservoir Hill. 121 Comment
  SEINET11998352  Arctostaphylos bakeri subsp. sublaevis Unknown 1987-1 70795 Sonoma N of Cazadero, The Cedars, near confluence of N & E branches of headwaters of Red Slide Creek 421 Comment
  RSA622718  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24761 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  SEINET11991014  Arctostaphylos canescens W. Knight, Knight, I. 1983-1 4698 Sonoma Trinity Grade 305 Comment
  POM203044  Arctostaphylos canescens subsp. canescens J. T. Howell 1934-3-3 11748 Sonoma Between Fort Ross and Stewart's Point. Comment
  UCD112405  Arctostaphylos canescens subsp. canescens Christopher Mallek 2008-5-2 s.n. Sonoma Hooker Canyon. 590 Comment
  RSA18973  Arctostaphylos canescens subsp. sonomensis J. T. Howell 1937-4-11 12894 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  UC1120077  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1575 A Sonoma 3/4 mi sw County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  UC1309673  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1577 Sonoma 3/4 mi se County Farm; Santa Rosa Quadrangle, Ricon Ridge 152 Comment
  UC876539  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12894 Sonoma ne Santa Rosa; Rincon Ridge Comment
  CAS-BOT-BC23641  Arctostaphylos columbiana Mary P. Wells 1986-1-9 705 A Sonoma Edge of forest by Pilot's Beach, The Sea Ranch Comment
  UC424788  Arctostaphylos columbiana Milo S. Baker 1929-11-16 3728 b Sonoma hwy between Stewart's Point and Fort Ross Comment
  CAS-BOT-BC24980  Arctostaphylos densiflora Walter Knight; Irja Knight; Elizabeth McClintock; J. Sigg 1981-3-25 4035 Sonoma Originally collected in Vine Hill District, near Sebastopol. Comment
  CAS-BOT-BC24995  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5773 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC25021  Arctostaphylos densiflora Roman Gankin 1957-11-1 247 Sonoma At roadside; Vine Hill School Road, 0.1 mile E of junction with Vine Hill Road, ca. 10 miles W of Santa Rosa. Comment
  OBI14750  Arctostaphylos densiflora H. E. McMinn 1936-4-5 4412 Sonoma Just W of Vine HIll School, 16 mi W of Santa Rosa Comment
  POM204431  Arctostaphylos densiflora J. T. Howell 1931-3-14 5770 Sonoma Vine Hill District Comment
  POM367502  Arctostaphylos densiflora L. S. Rose 1934-2-22 34031 Sonoma Vine Hill Region, 10 mi. W of Santa Rosa, Type & only locality. Comment
  RSA177948  Arctostaphylos densiflora R. F. Thorne 1965-4-19 34320 Sonoma Vine Hill School Road 1/2 mile from Vine Hill Road. 76 Comment
  SBBG28862  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma near Vine Hill School House Comment
  UC1084443  Arctostaphylos densiflora G. Thomas Robbins 1940-3-22 303 Sonoma ca 8.5 mi w Santa Rosa (apple orchard along Guerneville rd); Vine Hill region 45 Comment
  UC1120148  Arctostaphylos densiflora C. M. Belshaw 1936-3-7 1567 Sonoma Vine Hill Sebastopol Quadrangle Comment
  CAS-BOT-BC23279  Arctostaphylos glandulosa subsp. cushingiana H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  CAS-BOT-BC23282  Arctostaphylos glandulosa subsp. cushingiana Alice Eastwood 1918-5-1 6865 Sonoma Mt. St. Helena Comment
  RSA177968  Arctostaphylos glandulosa subsp. cushingiana R. F. Thorne 1965-4-20 34347 Sonoma Top of Parker Hill ( N end of Parker Hill Road). ca. 3 miles N of Santa Rosa 244 Comment
  CAS-BOT-BC24676  Arctostaphylos glandulosa subsp. glandulosa J. E. Adams 1934-3-28 726 Sonoma 5 mi. n. of Cazadero. Comment
  CAS-BOT-BC24721  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight; Stephen W. Edwards 1985-1-27 5173 Sonoma 7.7 mi. from w. end of Sonoma Lake Bridge on Rockpile Road. Comment
  JEPS81245  Arctostaphylos glandulosa subsp. glandulosa Edward Lee with W. A. Setchell 1936-6-8 2211 Sonoma North Ridge Fire Trail near junction of Trail 3A; Bohemian Grove Comment
  POM181140  Arctostaphylos glandulosa subsp. glandulosa J. T. Howell 1931-3-14 5763 Sonoma Rincon Ridge. Comment
  RSA107843  Arctostaphylos glandulosa subsp. glandulosa L. S. Rose 1955-3-21 55035 Sonoma Rincon Ridge, 2 mi. NE of Santa Rosa. 152 Comment
  UC1281370  Arctostaphylos glandulosa subsp. glandulosa H. E. McMinn 1936-4-4 4384 Sonoma R. L. Stevenson Monument Mt. St. Helena Comment
  UC876408  Arctostaphylos glandulosa subsp. glandulosa Milo S. Baker Mar 1930 7332 Sonoma College Ave. Hwy Vine Hill Region Comment
  LA42174  Arctostaphylos hispidula John Thomas Howell; 1933-4-2 10956 Sonoma 2 mi. E of Occidental Comment
  RSA339413  Arctostaphylos hispidula Roger Raiche 1984-2-26 RR 40044 Sonoma On Rockpile Road ca. 9.1 miles north of origin of Skaggs Springs-Stewarts Point Road 502 Comment
  RSA364261  Arctostaphylos hispidula Roger Raiche 1984-1-14 40016 Sonoma Rockpile Road, 9.1 miles northwest of its intersection and beginning at Stewarts Point- Skaggs Springs Rd. 502 Comment
  UCD59421  Arctostaphylos hispidula Roger Raiche 1984-1-14 RR 40016 Sonoma Rockpile Road, 9.1 miles northwest of its intersection and beginning at Stewarts Point-Skaggs Springs Road. 502 Comment
  UCSB24400  Arctostaphylos hispidula McMinn, H. 1936-4-5 Sonoma Two miles east of Occidental Comment
  UCD36698  Arctostaphylos manzanita Beecher Crampton 1955-6-17 2978 Sonoma Sonoma County, 2.4 miles south of Monte Rio, road to Camp Meeker. Comment
  CAS-BOT-BC24403  Arctostaphylos manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4758 Sonoma Parker Hill Road, Santa Rosa. 182 Comment
  OBI14641  Arctostaphylos manzanita Robert F. Hoover 1963-1-12 8548 Sonoma Triniti rd, Hoods Peak Range Comment
  SEINET11990965  Arctostaphylos manzanita Unknown 1983-1 30475 Sonoma Morrison Ridge above Gilliam Creek, East Austin Creek State Recreation Area 274 Comment
  SEINET11991024  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4571 Sonoma The Cedars, near Cazadero 274 Comment
  SEINET11977793  Arctostaphylos manzanita subsp. bakeri L. S. Rose 1934-1 34032 Sonoma 2 M. E. of Occidental Comment
  SEINET11998364  Arctostaphylos manzanita subsp. bakeri W. Knight, Knight, I.; Wells, P. V. 1985-1 6379 Sonoma Vine Hill School Rd, on CNPS Preserve 91 Comment
  CAS-BOT-BC38653  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5776 Sonoma Vine Hill District, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38687  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5762 Sonoma Rincon Ridge near Santa Rosa Comment
  CAS-BOT-BC38707  Arctostaphylos manzanita subsp. manzanita G. DeNevers 1981-3-14 524 Sonoma Pippindale farm, 7 mi. NE of Santa rosa, near Mark West lodge. At confluence of Mark West Creek and Leslie Creek. Comment
  CAS-BOT-BC38720  Arctostaphylos manzanita subsp. manzanita William R. Dudley 1895-2-22 s.n. Sonoma Knight's Valley Comment
  RSA3947  Arctostaphylos manzanita subsp. manzanita I. L. Wiggins 1932-3-12 5762 Sonoma Between Franz Valley and Knight's Valley. Comment
  SBBG39486  Arctostaphylos manzanita subsp. manzanita L. S. Rose 1970-2-27 70007 Sonoma Vine Hill School Rd 76 Comment
  UC205096  Arctostaphylos manzanita subsp. manzanita Katharine Brandegee Sonoma Mt. St. Helena Comment
  UC674749  Arctostaphylos manzanita subsp. manzanita E. A. Goldman 1907-12-29 75 Sonoma Mt. St. Helena Comment
  UC902047  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1949-3-13 18271 Sonoma along creek w Knights Valley; Mayacamas Creek 152 Comment
  UC909843  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-28 729 Sonoma rd. to Cazadero Seaview Comment
  CAS-BOT-BC38715  Arctostaphylos manzanita subsp. manzanita Gary D. Wallace 1974-12-23 1348 Sonoma NE of Occidental 2 mi on Grafton Rd. 152 Comment
  UCD52046  Arctostaphylos manzanita subsp. manzanita Christine Lee 1993-4-24 97 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa; south of Sonoma Creek along Hillside Trail. 396 Comment
  CAS-BOT-BC45398  Arctostaphylos nummularia Mary P. Wells 1983-8-3 154 Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch. Comment
  UC549523  Arctostaphylos nummularia J. E. Adams 1934-6-9 827 Sonoma 1 mi s McNamees Store Comment
  CAS-BOT-BC45400  Arctostaphylos nummularia G. L. Stebbins 1970-7-14 1055 Sonoma Three miles nw. of Plantation. 274 Comment
  JEPS83501  Arctostaphylos stanfordiana Jack and Betty Guggolz 1986-3-3 850 Sonoma above pond (on n side of Chamise Ridge Rd, off West Dry Creek Rd, w of Geyserville) Comment
  JEPS85898  Arctostaphylos stanfordiana Jack and Betty Guggolz 1991-7-29 1222 Sonoma along ridgetop about 1/4 mi w old abandoned homesite about 1 1/4 mi. NNW of Camp Meeker 164 Comment
  UC1388317  Arctostaphylos stanfordiana Freed W. Hoffman 1947-4-13 782 Sonoma near Guerneville; North Coast Ranges, Gilliam Creek, Magnesite Lodge Comment
  UCD53851  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 692 Sonoma On Rincon Ridge; near end of Parker Hill Road; ca. 4 miles north of Santa Rosa. Comment
  UCR279675  Arctostaphylos stanfordiana Ann Howald 2016-1-23 3554 Sonoma North Coast Ranges, Annapolis Ridge, west side Annapolis Rd c. 0.6 mile south of intersection with Soda Springs Rd, just north of transfer station 207 Comment
  UCR74384  Arctostaphylos stanfordiana G. Fred Hrusa 1989-1-24 5805 Sonoma Along Ida Clayton Rd. on NW slope of Mt. St. Helena Comment
  CAS-BOT-BC47347  Arctostaphylos stanfordiana Elsa G. Ruckert 1960-3-12 18 Sonoma 1.5 mi. from Highway 12 on n. Trinity Rd. 152 Comment
  JEPS86345  Arctostaphylos stanfordiana Jack and Betty Guggolz 1988-2-1 897 Sonoma 4,275,707N X 511,122E UMT Sotoyome Rancho Comment
  SEINET11987272  Arctostaphylos stanfordiana J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4103 Sonoma Strybing Arboretum, Golden Gate Park, San Francisco, orig. from Triniti Road Comment
  SEINET11984944  Arctostaphylos stanfordiana subsp. bakeri Unknown 1966-1 695 Sonoma E of Occidental Ridge on Graton Rd, ca 2.5 mi E of Occidental Comment
  JEPS83499  Arctostaphylos stanfordiana subsp. decumbens Jack and Betty Guggolz 1986-2-22 847 Sonoma Sones-Finley properties Comment
  JEPS95235  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  UCD51002  Arctostaphylos stanfordiana subsp. decumbens Roger Raiche 1985-2-3 50041 Sonoma Sonoma County, California, unnamed ridge west side of Dry Creek Valley, n of Crane Cr. and s of Bradford Mt Comment
  POM367459  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A- 11 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  RSA107836  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1955-3-21 53034 Sonoma Rincon Ridge, 2 mi. NE of Santa Rosa. 152 Comment
  RSA297193  Arctostaphylos stanfordiana subsp. stanfordiana Edward Lee, W. A. Setchell 1936-6-7 2190 Sonoma South ridge fire trail, Bohemian Grove. Comment
  RSA202099  Arctostaphylos viscida Freed W. Hoffman 1947-9-29 513 Sonoma Layton Mine, Austin Creek. Comment
  SEINET11991028  Arctostaphylos viscida W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4750 Sonoma The Cedars, on Twitchell Ranch near Cazadero 305 Comment
  SEINET11993378  Arctostaphylos viscida subsp. pulchella W. Knight, Knight, I.; Edwards, S. 1986-1 5364 Sonoma along trail to Sulphur Peak, E of Geyserville 975 Comment
  CAS-BOT-BC47463  Arctostaphylos viscida subsp. viscida Irja Knight; Walter Knight; Tiffany Knight; Dr. Steve Edwards 1985-7-21 5211 Sonoma Red Hill just off Pine Flat Road. 670 Comment
  JEPS21819  Arctostaphylos viscida subsp. viscida Roy Ramberg 1958-4-5 Sonoma one-half mi from end of Alta Vista Road; Santa Rosa, Montecito 91 Comment
  UC1518542  Aristida ternipes var. hamulosa Barbara Malloch Leitner 1984-8-10 Sonoma 1/2 mi n Socrates Mine Rd. (ca 1 mi e of Big Sulphur Creek); Little Geysers Comment
  SEINET11262973  Aristolochia californica James Faro 1962-4-22 5 Sonoma South side of Lake Ralphine in Santa Rosa.; 0 Comment
  UC6147  Aristolochia californica Alice King c. 1897 Sonoma Healdsburg Comment
  UC6150  Aristolochia californica F. T. Bioletti May, 1891 Sonoma Comment
  RSA301116  Armeria maritima subsp. californica D. C. Michener 1982-7-26 4124 Sonoma Gualala Point county park just south of the Mendocino Co line on CA 1. Comment
  RSA388849  Armeria maritima subsp. californica Gary Bolton 1975-4-19 7 Sonoma Bodega head, 0.25 mile N of Windmill Cove. Comment
  UC445109  Armeria maritima subsp. californica Katharine Brandegee June 1905 Sonoma Bodega Comment
  UCD35655  Arnica discoidea Beecher Crampton 1959-6-16 5388 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  RSA0056430  Arnica discoidea Greg de Nevers 1998-6-15 11285 Sonoma CYO Camp on Bohemian Highway. Comment
  UC573782  Arrhenatherum elatius H. S. Yates 1937-5-30 6557 Sonoma 1 1/2 mi n of Freeestone 91 Comment
  UCR280131  Artemisia douglasiana Peter Rubtzoff 1970-9-3 6371 Sonoma Marsh off west side of Highway 1, 0.7 miles SE of Salmon Creek crossing 30 Comment
  CAS-BOT-BC90485  Artemisia douglasiana F. W. Peirson 1925-8-8 6342 Sonoma roadside, 6 miles south of Santa Rosa Comment
  CAS-BOT-BC90490  Artemisia douglasiana Mary P. Wells 1982-8-21 s.n. Sonoma Gerstle Cove, Salt Point State Park Comment
  UC892496  Artemisia pycnocephala Milo S. Baker 1932-6-10 5878 Sonoma next beach n of Salmon Creek Comment
  CAS-BOT-BC97234  Artemisia suksdorfii J. Clausen 1939-7-20 1715 (Tr. 1330) Sonoma along road just north of Jenner, towards Fort Ross Comment
  CAS-BOT-BC400604  Asarum caudatum Peter Rubtzoff 1951-6-17 284 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  UCD160016  Asclepias cordifolia James A. Neilson Jr.; Teresa A. Sholars 1975-3-27 3293 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 miles west of Glenbrook and Bottle Rock Road. (Elevation and coordinates estimated by label maker.) 975 Comment
  JEPS15217  Asclepias solanoana Rimo Bacigalupi with G. T. Robbins and Freed Hoffman 1956-5-30 5662 Sonoma near Layton Chromite Mine (headwaters of creek, vicinity of The Cedars); Big Austin Creek 266 Comment
  CAS-BOT-BC68781  Aspidotis densa D. E. Breedlove 1980-6-28 44806 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD67616  Aspidotis densa D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. Open cypress forests (Cupressus sargentii) in serpentine and andesitic rocks. 800 Comment
  CAS-BOT-BC371456  Asteraceae Greg de Nevers 1989-4-1 9054 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By tank at Skovie. 400 Comment
  CAS-BOT-BC376340  Astragalus breweri Greg de Nevers 1998-6-10 11278 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  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
  RSA94287  Athyrium filix-femina subsp. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66146  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1957-6-28 3384 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC66148  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-11-24 843 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC17427  Athysanus pusillus Peter H. Raven 1950-4-6 1603 Sonoma Rincon Ridge. 304 Comment
  UC850844  Atriplex leucophylla Milo S. Baker 1932-6-10 5877 Sonoma next beach n Salmon Cr; n of Salmon Cr Comment
  SEINET11933972  Atriplex patula W. Knight, Knight, I. 1984-1 5419 Sonoma In flood plain along Petaluma River 3 Comment
  UCR248507  Atriplex prostrata Peter Rubtzoff 1958-9-6 3988 Sonoma Laguna de Santa Rosa, east of Sebastopol 20 Comment
  UCSC000219  Atriplex prostrata E. L. Greene 1888-9-1 s.n. Sonoma Petaluma Comment
  UC963912  Atriplex triangularis Milo S. Baker 1946-10 11709 Sonoma less than 1 mi n of junction of Sears Point Cutoff and Black Point Hwy (in low ground near Bay marsh); n of jct Sears Point Cutoff and Black Point Hwy Comment
  UCD56211  Avena barbata Beecher Crampton 1956-3-12 3222 Sonoma Along U.S. Hwy. 101. Italian-Swiss Colony Winery Grape Vineyards. Asti. Comment
  CAS-BOT-BC145720  Avena fatua David L. Morgan 1956-5-11 s.n. Sonoma 311 Mountain View Ave. Petaluma. Comment
  RSA120957  Avena fatua David L. Morgan 1956-5-11 s.n. Sonoma 311 Mountain View Ave., Petaluma. Comment
  UCD56320  Avena fatua Gerry North 1993-4 50 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
  UCR244598  Avena fatua Peter Rubtzoff 1972-5-25 6766 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC68344  Azolla filiculoides Peter Rubtzoff 1960-5-29 4424 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  CAS-BOT-BC98603  Baccharis douglasii John Thomas Howell 1945-8-14 21398 Sonoma Perry Marsh Comment
  JEPS81900  Baccharis glutinosa Roger Raiche 1982-8-22 20701 Sonoma canyon running through Vine Hill Vine Hill 213 Comment
Read comments
Oct 17 2013
  UCD148380  Baccharis glutinosa Peter Rubtzoff 1955-9-10 2129 Sonoma Guerneville Marsh. Comment
  UC372570  Baccharis pilularis Marcus E. Jones, A. M. 1882-7-8 Sonoma Duncan's Mills Comment
  CAS-BOT-BC16693  Barbarea orthoceras A. A. Heller; H. E. Brown 1902-3-20 5106 Sonoma Near Windsor. Comment
  CAS-BOT-BC145836  Beckmannia syzigachne Michener; Bioletti 1893-6-10 114 Sonoma Kenwood. Comment
  CAS-BOT-BC145838  Beckmannia syzigachne Peter Rubtzoff 1961-6-25 4656 Sonoma Laguna de Santa Rosa near Trenton. Comment
  CAS-BOT-BC145839  Beckmannia syzigachne John Thomas Howell 1930-6-8 5239 Sonoma Bodega Road, 3 miles east of Valley Ford. Comment
  CAS-BOT-BC106394  Bellis perennis George Syme 1917-4-25 s.n. Sonoma Guerneville Comment
  RSA0019007  Bidens laevis Peter Rubtzoff 1954-11-18 1764 Sonoma Bodega Head Marsh. Comment
  RSA0019008  Bidens laevis Peter Rubtzoff 1961-9-6 4740 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  RSA0008302  Blennosperma bakeri Milo S. Baker 1952-3-20 12393 Sonoma Western outskirts of Sonoma on 5th St. between Bettencourt and McArthur. Comment
  SEINET10826437  Blennosperma bakeri Milo S. Baker 1946-1 Sonoma Comment
  OBI48606  Blennosperma nanum Michener and Bioletti, Bioletti April 1893 Sonoma Kenwood Comment
  UC195943  Blennosperma nanum var. nanum I. J. Condit 1913-3-7 Sonoma Petaluma Comment
  UC727776  Blennosperma nanum var. nanum Milo S. Baker 1946-4-21 11335 Sonoma near, along S.R.-Sonoma Hiwy. Old Dunbar School Comment
  CAS-BOT-BC478115  Boisduvalia Peter Rubtzoff 1986-9-28 9745 Sonoma Russian River at Forest Hills, 5.5. miles east of Guerneville Comment
  RSA791566  Boisduvalia glabella Peter Rubtzoff 1962-6-21 4940 Sonoma Laguna de Santa Rosa area NE of Graton, E of Laguna Road. Comment
  RSA791579  Boisduvalia glabella Peter Rubtzoff 1962-7-6 4976 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  SEINET8345733  Bolboschoenus fluviatilis Peter Rubtzoff 1955-8-7 2033 Sonoma [Guermeville learsh]. Comment
  SEINET11750298  Bolboschoenus robustus W. Knight, Knight, I. 1984-1 5426 Sonoma Willow Creek Rd 61 Comment
  CHSC91447  Brassica rapa Richard R. Halse 1987-2-22 3374 Sonoma Along State Hwy. 121, .4 miles E of its junction with State Hwy. 116 at Big Bend in the Sonoma Valley. 6 Comment
  HSC6588  Brassica rapa F. Demostene 1966-4-1 9 Sonoma 2 mi. E of Healdsburg Comment
  CAS-BOT-BC145482  Briza maxima Peter Rubtzoff 1952-5-31 1098 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern. Comment
  CHSC8187  Briza maxima K. Henegar 1969-5-10 42 Sonoma Near Salmon Creek, 1/2 m n of Bodega Bay. Comment
  RSA32189  Briza maxima I. L. Wiggins, Roxana S. Ferris 1943-4-30 10165 Sonoma Roadside 1/2 mile south of Asti, Along Highway 101. Comment
  SBBG21223  Briza maxima B. Crampton 1954-4-26 Sonoma 2 mi N of Geyserville, US Hwy 101 Comment
  SEINET4182955 Image available Briza maxima Ira L. Wiggins, R. S. Ferris 1943-4-30 10165 Sonoma Roadside 0.5 Mile South of Asti, along Highway 101. Comment
  SJSU810  Briza maxima A. W. Jacobs 1943-5-15 Sonoma near Forestville Comment
Read comments
Sep 17 2008
  UC768694  Briza maxima Robert F. Hoover 1941-5-14 5102 Sonoma hills n Bodega Comment
  SEINET7042398  Briza maxima A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UCD57132  Briza maxima Chris Chan 1991-3-5 5 Sonoma Bay Hill Road. 182 Comment
  CAS-BOT-BC145280  Briza minor A. A. Heller 1902-6-4 5649 Sonoma Santa Rosa. Comment
  CAS-BOT-BC145292  Briza minor G. DeNevers 1981-6-20 1639 Sonoma Pepperwood Ranch. Northeast of Peperwood, on the east road to Knights Valley at a pond filling with silt. Comment
  UCD57399  Briza minor Charles B. Heiser Jr. 1946-5-19 1753 Sonoma Russian River near Duncan Mills. Comment
  UCD57431  Briza minor Hursh 1919-5-12 X 3251 Sonoma Santa Rosa. Comment
  CAS-BOT-BC145283  Briza minor David L. Morgan 1956-5-6 s.n. Sonoma On the Petaluma - Valley Ford road near Robler Road. Comment
  SEINET11687426  Briza minor F. H. Utech 1986-1 86 -096 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  CAS-BOT-BC478965  Brodiaea californica subsp. californica Greg de Nevers 1991-6-22 9753 Sonoma Pepperwood Natural Preserve 3450 Franz Valley Road 475 Comment
  SEINET10570437 Image available Brodiaea californica subsp. leptandra A. Arthur Heller 1902-6-23 Heller 5742 Sonoma Pertified Forest. Comment
  CAS-BOT-BC140074  Brodiaea californica var. leptandra Roger Raiche 1985-6-22 RR 50553 Sonoma West side of Dry Cr Valley and west of town site of Dry Creek, unnamed ridge north of Crane Cr and south of Bradford Mt. 161 Comment
  JEPS5690  Brodiaea californica var. leptandra W. L. Jepson 1918-6-23 7654 Sonoma Windsor, Poor Man's Flat Comment
  CAS-BOT-BC486542  Brodiaea elegans subsp. elegans Peter Rubtzoff 1974-6-22 7618 Sonoma Bennett Mountain Lake Comment
  SEINET7042390  Brodiaea jolonensis A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UC463107  Brodiaea leptandra Milo S. Baker June 1925 2346 Sonoma canyon above Kenwood Springs Comment
  JEPS25733  Brodiaea stellaris Harry K. Roberts 1961-5-23 Sonoma about 1.75 mi ne Occidental (at top of grade, just w of County Dump, 1/4 to 1/2 mi w of type locality of Arctostaphylos Bakeri Eastw.); Harrison Grade 222 Comment
  JEPS109575  Brodiaea terrestris subsp. terrestris Dean W. Taylor 1994-5-4 14210 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  UC1299328  Brodiaea terrestris subsp. terrestris Freed W. Hoffman 1950-6-1 4003 Sonoma Kruz Ranch North Coast Ranges, Sonoma Coast Comment
  SBBG22695  Bromus carinatus M. S. Walters 1960-6-17 Sonoma St Hwy 1, ca.2 mi N of Bodega Bay Comment
  UC1024772  Bromus carinatus var. carinatus Leo Whitney 1935-4-13 2256 b Sonoma Santa Rosa Comment
  UC577602  Bromus carinatus var. carinatus H. S. Yates 1934-6-21 Sonoma near Bodega 60 Comment
  CDA43044  Bromus commutatus G. Radieve & J. Curtis 2014-4-14 Sono 0479 Sonoma Sugarloaf Ridge State Park. 0 Comment
  CAS-BOT-BC155657  Bromus diandrus Mary P. Wells 1984-5-30 317 Sonoma Santa Rosa. Friends House, Rincon Valley. Comment
  CAS-BOT-BC155662  Bromus diandrus John Thomas Howell; Walter Knight; Irja Knight 1987-6-4 6228 Sonoma Tood Road Preserve. 24 Comment
  JEPS71167  Bromus diandrus Virginia Bufford 1932-9-23 575 Sonoma 4 mi sw of Santa Rosa Comment
  CAS-BOT-BC155203  Bromus hordeaceus Peter Rubtzoff 1958-5-10 3640 A Sonoma Lagunda de Santa Rosa east of Cunningham (near Llano Road). Comment
  UC1010995  Bromus hordeaceus Virginia Bufford 1936-5-22 383 Sonoma about 10 mi from Stewarts Point (Skaggs Spring Road); Skaggs Spring Road Comment
  UC60199  Bromus hordeaceus A. B. L. 1896-4-9 Sonoma Petaluma Comment
  UC730043  Bromus hordeaceus Leo F. Koch 1940-4-22 831 Sonoma 2 mi from Jimtown (Alexander Valley Road to Geysers); Alexander Valley Road Comment
  UCD58617  Bromus hordeaceus Beecher Crampton 1959-6-16 5370 Sonoma 0.2 miles E of Occidental. Comment
  UCD58836  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3558 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  UCSB50252  Bromus hordeaceus Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Breach (T6N, R11W) 18 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
  UCD58888  Bromus laevipes H. S. Yates 1937-5-30 6543 Sonoma 3 miles WNW of Graton. 60 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
  UC1010998  Bromus vulgaris Virginia Bufford 1936-5-21 371 Sonoma near Skaggs Springs Comment
  UC604140  Cakile maritima Baker 1938-5-6 8978 Sonoma at mouth of Salmon Creek Salmon Creek Comment
  UCD114948  Cakile maritima Mary M. Hektner 1974-7-19 150 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC1026380  Calamagrostis bolanderi John Thomas Howell 1947-6-26 23312 Sonoma Cunningham Marsh Comment
  UC1153826  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma 8.6 mi. s. Stewart's Point (State Hwy. 1) Comment
  CAS-BOT-BC185402  Calamagrostis bolanderi Mary P. Wells 1985-10-4 677 Sonoma Along road in forest south of Gualala River. Comment
  RSA94095  Calamagrostis bolanderi J. T. Howell 1947-6-5 23235 Sonoma Cunningham Marsh Comment
  UC768850  Calamagrostis koelerioides R. F. Hoover 1941-5-14 5090 Sonoma 2 mi s Monte Rio (toward Camp Meeker) Comment
  UCD57515  Calamagrostis nutkaensis Chris Bowen 1974-6-2 146 Sonoma near State Highway 1, Sea Ranch, Unit 7 Owners' Map, near Whaler's Reach. 30 Comment
  CAS-BOT-BC185117  Calamagrostis ophitidis R. F. Hoover 1965-6-29 9475 Sonoma North of summit of Harrison Grade road near Occidental. Comment
  CAS-BOT-BC438601  Calandrinia ciliata Peter Rubtzoff 1959-4-18 4030 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Road crossing. Comment
  CAS-BOT-BC438605  Calandrinia ciliata Peter Rubtzoff 1952-5-10 1026 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west. Comment
  UC1300960  Calandrinia ciliata H. L. Mason 1963-2-24 Sonoma orchard of H. L. Mason Ranch Kenwood Comment
  UCD144659  Calandrinia ciliata Frederica Bowcutt 1996-3-24 2080 Sonoma Sugarloaf Ridge State Park; about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood and 18 air miles northwest of Napa. About 1/2 air miles S of Red Mtn, along Vista Trail. 563 Comment
  HSC5219  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma just E of Sonoma Comment
  CAS-BOT-BC273242  Calendula arvensis W. R. Russell 1967-3-28 s.n. Sonoma At north end of town, Sonoma Comment
  SFV12200  Calendula arvensis W. R. Russell 1967-3-28 s. n. Sonoma Sonoma. At roadside near cemetary at north end of town. Comment
  UCD129661  Calendula arvensis Shirley C. Tucker 1965-2-7 s.n. Sonoma ca. 2 miles east of Sonoma. Comment
  UCD33564  Calendula arvensis Beecher Crampton 1970-3-12 8545 Sonoma Sonoma, 1st. Street West, just south of r.r. depot. Comment
  CAS-BOT-BC293674  Callitriche heterophylla Peter Rubtzoff 1974-4-6 7355 Sonoma Along Lawndale Road, 0.75 miles south of Highway 12. Comment
  UC1101513  Callitriche heterophylla var. bolanderi Malcolm A. Nobs 1949-8-1 1106 Sonoma 2 mi e Stewart's Point (on road to Geyserville) Comment
  CAS-BOT-BC376223  Callitriche marginata Greg de Nevers 1995-5-20 10729 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In road through Fern Canyon 487 Comment
  UCR249056  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4604 Sonoma Upper Stemple Creek Marsh 21 Comment
  JEPS128188  Calochortus amabilis Roger Raiche 2000-5-5 091 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  JEPS61627  Calochortus amabilis Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  UC119765  Calochortus amabilis Michener and Bioletti May 1893 Sonoma Los Guilicos Comment
  UC13850  Calochortus amabilis W. C. Blasdale Apr 1894 Sonoma Cazadero Comment
  CAS-BOT-BC483284  Calochortus amabilis Elsa Ruckert 1960-4-29 57 -408 Sonoma Trinity Road, 1/4 mile north form Highway 12 152 Comment
  SD88413  Calochortus amabilis Darley F. Howe 1972-4-25 Sonoma Trinity Road, Mount Hood Range. 121 Comment
  SEINET8194287  Calochortus amabilis W. Roderick 1967-5-20 s.n. Sonoma Ida Clayton Road, NW side of Mount St. Helena. 305 Comment
  UC404788  Calochortus luteus Ynes Mexia 1929-6-2 2389 Sonoma near Mark West Springs Comment
  UC1973318  Calochortus luteus Roger Raiche 1997-9-1 058 .97 Sonoma W of Occidental, Fitzpatrick Lane, ca. 1.8 mi W of its origin at Jy Ridge Road. Comment
  UCD139533  Calochortus luteus G. V. Morejohn 1954-5-23 30 Sonoma beside Highway 12, 3 miles north of Sonoma. Comment
  JEPS83742 Image available Calochortus raichei Roger Raiche 1986-7-7 60214 Sonoma n Cazadero (near Laton Mine); The Cedars, headwaters of Big Austin Creek; N of Cazadero, The Cedars, headwaters of Big Austin Creek, near Laton Mine. Sonoma Co. 840 Comment
  NY319591  Calochortus raichei R. Raiche 1986-7-7 60214 Sonoma N of Cazadero, The Cedars, headwaters of Big Austin Creek, near Laton Mine. 840 Comment
  CAS-BOT-BC494036  Calochortus tolmiei Mary P. Wells 1972-4-22 s.n. Sonoma On mound on Lot 10, unit15 near the cliff, The sea Ranch Comment
  CAS-BOT-BC494038  Calochortus tolmiei A. A. Heller 1940-5-10 15612 Sonoma West of Slag's Springs on the Stewart Point road. Comment
  CAS-BOT-BC494039  Calochortus tolmiei Dorothy Scherer 1997-3-24 075 Sonoma Grassy area south of Kolmer Gulch and ca 300' east of Hwy one. Fort Ross State Historic Park 91 Comment
  UCR255747  Calochortus uniflorus Greg de Nevers 1996-4-18 10791 Sonoma North Coast Range, Knights Valley Marsh, on Bavarian Lion Ranch 137 Comment
  CDA12180  Calycadenia multiglandulosa G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 11420 Sonoma North Coast Biodiversity Arena; 3 miles W of Occidental along Coleman Valley Rd. Comment
  JEPS20239  Calycadenia multiglandulosa R. F. Hoover 1938-6-14 3610 Sonoma 3 mi w of, on road to Occidental Graton Comment
  RSA255606  Calycadenia pauciflora Gerald D. Carr 1971-8-17 640 Sonoma The Geysers 488 Comment
  OBI49312  Calycanthus occidentalis Michener & Bioletti, Bioletti Jun 1893 s.n. Sonoma Hoods Peak Comment
  POM149132  Calycanthus occidentalis A. A. Heller 1902-6-11 5689 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  UCR30831  Calycanthus occidentalis John C. Roos 1948-8-28 3956 Sonoma North Coast Ranges, Barrel Spring, Mill Creek, near Healdsburg 292 Comment
  CAS-BOT-BC91010  Calycanthus occidentalis A. T. Graff 1925-6-7 s.n. Sonoma Trospers. Comment
  JEPS21820  Calypso bulbosa Roy Ramberg 1958-4-5 Sonoma 1/2 mi se of Occidental (in Redwood Picnic Area); Redwood Picnic Area 45 Comment
  JEPS64306  Calypso bulbosa Vena Wiley 1908-1 Sonoma Cazadero Comment
  HSC16569  Calypso bulbosa F. Demostene 1966-4-11 41 Sonoma 25 mi. W of Healdsburg Comment
  UC7776  Calyptridium umbellatum H. N. Bolander 1864-1 3973 Sonoma within 8 or 9 yards of The Geysers Comment
  CAS-BOT-BC223620  Calystegia collina subsp. oxyphylla R. K. Brummitt; A. Wolf; R. W. Howe 1998-5-15 19859 Sonoma 18 km ENE of Healdsburg, on Ida Clayton Road 4 km above Rte. 128 650 Comment
  JEPS86303  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1988-4-5 909 Sonoma North side of Ida Clayton Road 1.15 miles from its junction with Highway 128 Comment
  UC796564  Calystegia collina subsp. oxyphylla Roxana S. Ferris and Laura Lorraine 1948-6-9 11660 Sonoma Summit of grade between Mark West Valley and Franz Valley; betw Mark West Valley and Franz Valley Comment
  UCR255740  Calystegia purpurata subsp. purpurata Greg de Nevers 1993-5-9 10440 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC224742  Calystegia purpurata subsp. saxicola John Thomas Howell 1930-6-8 5290 Sonoma 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC32999  Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC33000  Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  RSA697152  Calystegia purpurata subsp. saxicola J. R. Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  SDSU5665  Calystegia purpurata subsp. saxicola D. F. Howe 1969-5-28 4011 Sonoma 13.5 miles north of Jenner on #1. Comment
  CAS-BOT-BC436453  Calystegia subacaulis John Thomas Howell 1955-6-2 30259 Sonoma Near Vine Hill School Comment
  UCD138332  Camassia quamash subsp. linearis P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC498780  Camassia quamash subsp. linearis Peter Rubtzoff 1951-5-28 82 Sonoma Western branch of the Upper Marsh; at the edge of a ticket, on marshy ground; The Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC498783  Camassia quamash subsp. linearis Peter Rubtzoff 1952-5-10 1030 Sonoma Lower part of the Upper Marsh; The Pitkin Marsh, near Forestville Comment
  HSC16508  Camissonia ovata James Faro 1962-4-14 9 Sonoma Salt Point Ranch, about 5 mi. N of Fort Ross Comment
  CAS-BOT-BC266418  Campanula californica Peter Rubtzoff 1967-8-28 5864 Sonoma SE of Lower Salmon Creek Marsh Comment
  CAS-BOT-BC266419  Campanula californica Peter Rubtzoff 1965-8-10 5588 Sonoma Duncans Mills Marsh, at the edge of forest bordering the lower portion of the marsh in the west Comment
  SEINET10463922  Campanula californica Rowntree 1931-7-15 ROWNTREE s.n. Sonoma SKYP SPRINGS ROAD Comment
  SEINET10463935  Campanula californica Robbins 1938-6-23 ROBBINS 269 Sonoma In march on Pitkin Ranch, Vine Hill region, about 10 miles west of Santa Rosa. Wet, boggy soil. Comment
  JEPS128369  Campanula griffinii Roger Raiche 2010-6-16 024 .10 Sonoma The Cedars. Peak Fork at Pygmy Fork, Mineral Spring Canyon. Bearpen Creek watershed (CalWater # 1114.120002). Comment
  SEINET10462844  Campanula prenanthoides Frederic T. Bioletti 1892-7-5 Bioletti s.n. Sonoma SHAGG'S SPRINGS Comment
  UCR280188  Capsella bursa-pastoris Peter Rubtzoff 1958-8-9 3841 Sonoma Laguna de Santa Rosa, north of Sebastopol, near Occidental Road 20 Comment
  CAS-BOT-BC37754  Cardamine californica Dorothy Scherer 1996-4-8 024 Sonoma Kolmer Gulch, ca 500 feet west of Highway 1, Fort Rose State Historic Park. 1 Comment
  CAS-BOT-BC37756  Cardamine californica Dorothy Scherer 1996-4-14 031 Sonoma Fort Ross Road ca 0.5 mile west of Seaview Road and ca 50 feet north. Fort Ross State Historic Park. 441 Comment
  CDA18771  Cardamine californica Boris Korotyaev 2000-3-28 s.n. Sonoma Northern California; Bodega Bay. 0 Comment
  JEPS128337  Cardamine californica Roger Raiche 2010-2-28 008 .10 Sonoma The Cedars. Gateway parcel. Lower Russian River, Big Austin Creek watershed. Comment
  RSA128603  Cardamine californica var. integrifolia P. H. Raven 1950-4-6 1558 Sonoma Cotati to Santa Rosa. 46 Comment
  RSA135439  Cardamine californica var. integrifolia R. H. Thompson 1880-04 s.n. Sonoma Near Healdsburg. Comment
  CAS-BOT-BC38028  Cardamine oligosperma Peter Rubtzoff 1957-5-4 3309 Sonoma Duncans Mills Marsh. At the border of the upper part of the marsh. Comment
  CAS-BOT-BC38041  Cardamine oligosperma Dorothy Scherer 1996-4-8 023 Sonoma Kolmer Gulch, west of Highway 1, Fort Ross State Historic Park. 1 Comment
  CAS-BOT-BC384861  Cardionema ramosissimum Alice Eastwood 1915-6-29 4816 Sonoma Bodega Point Comment
  CAS-BOT-BC384865  Cardionema ramosissimum Walter Knight; Irja Knight 1963-8-13 317 Sonoma Horseshoe Cove Comment
  UCD148413  Carduus Peter Rubtzoff 1959-6-13 4141 Sonoma Willow Creek Marsh. Comment
  UCD148424  Carduus Peter Rubtzoff 1960-5-15 4327 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC282948  Carduus acanthoides Greg de Nevers 1991-9-16 9771 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road, on ridge above Bechtel house 475 Comment
  CAS-BOT-BC282949  Carduus acanthoides Greg de Nevers 1991-9-16 9771 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road, on ridge above Bechtel house 475 Comment
  CAS-BOT-BC281772  Carduus pycnocephalus Margaret Bellue 1934-5-30 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC281766  Carduus pycnocephalus John H. Thomas 1976-6-15 18280 Sonoma S end of the Sea Ranch, NW part of county, about 7 miles S of Gualala 30 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-BC281769  Carduus pycnocephalus F. H. Utech; Walter & Irja Knight 1986-5-15 86 -160 Sonoma The Geysers, ca 14.0 miles ESE of Preston and US Highway 101 on Geysers Rd 120 Comment
  UCD166509  Carduus tenuiflorus Peter Rubtzoff 1962-7-14 4992 Sonoma Lower Salmon Creek Marsh. Comment
  UCR248965  Carex Peter Rubtzoff 1975-8-11 8313 Sonoma Kenwood Marsh 120 Comment
  UCR254736  Carex abrupta Peter Rubtzoff 1958-5-17 3658 Sonoma Laguna de Santa Rosa north of Sebastopol, near Occidental Road 18 Comment
  UC1147813  Carex athrostachya J. W. Stacey 1937-6-6 13018 Sonoma Sebastopol Comment
  UCR249039  Carex athrostachya Peter Rubtzoff 1974-6-2 7507 Sonoma Upper Green Valley Marsh Comment
  UCD112443  Carex athrostachya Peter Rubtzoff 1960-5-15 4325 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC290554  Carex barbarae Peter Rubtzoff 1975-7-3 8152 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC329311  Carex barbarae Peter Rubtzoff 1976-5-30 8577 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC311815  Carex barbarae Peter Rubtzoff 1959-6-27 s.n. Sonoma Laguna de Santa Rosa northeast of Graton (ca. 0.5 miles north of Guerneville Road crossing). Comment
  HSC100878  Carex bolanderi Peter Warner 2011-6-16 217 Sonoma Jenner Headlands property, E area, ~1.7 mi. NNW of Duncans Mills, ~250 m up 'east ridge' road from main gravel road. 294 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
  UCR248864  Carex cusickii Peter Rubtzoff 1962-5-25 4841 Sonoma Laguna de Santa Rosa area, northeast of Gratton, near the Laguna Road 30 Comment
  CAS-BOT-BC18976  Carex densa John Thomas Howell 1938-7-3 13948 Sonoma Stony Point. Comment
  CAS-BOT-BC20477  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13019 Sonoma Sebastopol. Comment
  CAS-BOT-BC20509  Carex densa Peter Rubtzoff 1957-5-11 3329 Sonoma Sonoma County Marshes. Occidental Marsh. Comment
  UC1133350  Carex densa H. S. Yates 1936-5-3 5575 Sonoma 1 mi NE of Petrified Forest 304 Comment
  CAS-BOT-BC20497  Carex densa Peter Rubtzoff 1958-5-3 3621 Sonoma Sonoma County Marshes. Atascadero Creek Marsh. Comment
  CAS-BOT-BC20518  Carex densa John Thomas Howell 1943-5-10 17991 Sonoma 1.75 mile N of Windsor. Comment
  UCD140271  Carex densa G. F. Hrusa; A. Buckman, R. Gross 1995-4-1 12031 Sonoma Todd Road Reserve, near corner Todd Road and Llano Road. Comment
  CDA11316  Carex dudleyi G. F. Hrusa, A. Buckman, R. Gross 1995-4-1 12031 Sonoma North Coast Biodiversity Arena; LAGUNA DE SANTA ROSA. Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. Moist upper margins of pools. Comment
  UCR248916  Carex exsiccata Peter Rubtzoff 1959-4-18 4024 Sonoma Laguna de Santa Rosa, NE of Graton, c. 0.5 mi north of Guerneville Rd. crossing 21 Comment
  UCR248968  Carex exsiccata Peter Rubtzoff 1960-5-20 4396 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  UCR250036  Carex exsiccata Peter Rubtzoff 1955-9-9 2115 Sonoma Bodega Head Marsh 2 Comment
  UCR250395  Carex exsiccata Peter Rubtzoff 1954-7-4 1535 Sonoma Duncan Mills Marsh, upper portion of marsh 2 Comment
  RSA0015630  Carex exsiccata Peter Rubtzoff 1958-5-3 3617 Sonoma Atascadero Creek Marsh. Comment
  SEINET10855708  Carex festiva Henry N. Bolander Bolander 3867 Sonoma Meadow on Russian River, Comment
  UC825094  Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC28369  Carex gracilior Peter Rubtzoff 1955-4-30 1808 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC28373  Carex gracilior John Thomas Howell 1938-7-3 13966 Sonoma Pitkin Marsh. Comment
  UC854  Carex gracilior H. N. Bolander April 1864 3822 Sonoma meadow Cloverdale; Cloverdale, Sonoma Co. Comment
  CAS-BOT-BC311836  Carex harfordii Peter Rubtzoff 1974-6-2 7513 Sonoma Upper Green Valley Marsh. Comment
  SEINET4291982 Image available Carex harfordii A. L. Hipp, Clifton, G 1999-1 ah 349 Sonoma Marsh opposite entrance to Doran Beach Park: Bodega Harbor Marsh. Comment
  RSA0022362  Carex harfordii Peter Rubtzoff 1962-6-1 4867 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC419698  Carex hendersonii Peter Rubtzoff 1960-5-16 4360 Sonoma Duncans Mills Marsh. Comment
  UCR248726  Carex hendersonii Peter Rubtzoff 1966-5-16 4360 Sonoma Duncan Mills Marsh 2 Comment
  UCR249356  Carex hendersonii Peter Rubtzoff 1957-6-28 3387 Sonoma Duncan Mills Marsh 2 Comment
  SEINET1783034  Carex lacunarum A. A. Heller 1902-7-1 5797 Sonoma At Sebastopol. Comment
  CAS-BOT-BC419696  Carex lasiocarpa Peter Rubtzoff 1962-5-11 4820 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC31172  Carex lemmonii John Thomas Howell 1957-6-13 32621 Sonoma Pitkin Marsh. Comment
  UCR248945  Carex leporina Peter Rubtzoff 1966-6-5 5758 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC352234  Carex leptopoda Peter Rubtzoff 1964-5-20 5323 Sonoma Bodega Bay Marsh. Comment
  UCR249339  Carex nudata Peter Rubtzoff 1952-6-3 1176 Sonoma Fitch Mountain Grove, near Healdsburg, along the Russian River 61 Comment
  CAS-BOT-BC310304  Carex obnupta Peter Rubtzoff 1964-7-29 s.n. Sonoma Bodega Bay Marsh. Comment
  UC1042356  Carex ovalis Peter Rubtzoff 1951-6-16 232 Sonoma near Forestville (lower part of the Upper Marsh); Pitkin Marsh Comment
  UCR249914A  Carex pachystachya var. pachystachya Peter Rubtzoff 1975-7-3 8151 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC117672  Carex serratodens Gregory Clark de Nevers 1987-4-25 8164 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd. 400 Comment
  UCR248948  Carex serratodens Peter Rubtzoff 1974-6-9 7586 Sonoma Upper Green Valley Marsh Comment
  RSA0022395  Carex serratodens Peter Rubtzoff 1957-5-11 3341 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC117341  Carex stipata Peter Rubtzoff 1951-6-7 143 Sonoma Pitkin marsh, near Forestville. Branch of the Upper marsh. Comment
  RSA0020333  Carex stipata Peter Rubtzoff 1960-5-22 4410 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville Roads.) Comment
  RSA169301  Carex subbracteata L. S. Rose 1964-6-3 64052 Sonoma N end of Bodega Bay. 2 Comment
  CAS-BOT-BC312707  Carex subbracteata var. subbracteata Peter Rubtzoff 1974-6-2 7506 Sonoma Upper Green Valley Marsh. Comment
  UCR248871  Carex tumulicola Peter Rubtzoff 1959-4-18 4035 Sonoma Laguna de Santa Rosa, NE of Graton, c. 0.5 mi north of Guerneville Rd. crossing 21 Comment
  UCR249082  Carex tumulicola Peter Rubtzoff 1971-6-25 6561 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  CAS-BOT-BC281917  Carthamus lanatus B. Crampton 1957-7-22 4356 Sonoma 15.2 miles W of Skagg's Springs on road to Stewart's Point Comment
  CDA36976  Carthamus leucocaulos J. H. Shelgren 1976-5-7 16 Sonoma Vicinity of Asti. 0 Comment
  UCD129939  Carthamus leucocaulos P. F. Knowles 1969-9-23 18901 Sonoma 1 mile west of Asta. Comment
  CAS-BOT-BC257350  Castilleja Peter Rubtzoff; Nancy Harrison 1978-5-20 9189 Sonoma Cunningham Marsh area, north side of Blucher Creek Valley. Comment
  JEPS27377  Castilleja ambigua subsp. ambigua H. W. Grinnell 1933-7-21 Sonoma Bodega Bay, old road Bodega Bay Comment
  UC65829  Castilleja attenuata A. A. Heller 1902-4-16 5312 Sonoma Santa Rosa Comment
  UC1239027  Castilleja attenuata Freed W. Hoffman 1947-4-3 881 Sonoma near Guerneville (road to Austin Ranch, headwaters of Fife Creek); North Coast Ranges, Fife Creek Comment
  UC577266  Castilleja campestris subsp. campestris Milo S. Baker 1936-5-1 8576 Sonoma 0.5 mi e old Santa Rosa Fair Grounds (Bennett Valley Highway) Comment
  UC27170  Castilleja densiflora subsp. densiflora Harley P. Chandler 1900-5-25 706 Sonoma Bodega Bay Comment
  SBBG7042  Castilleja exserta subsp. exserta H. and M. Dearing 1939-5-14 3364 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UC1567928  Castilleja foliolosa F. H. Utech 1986-5-13 86 -104 Sonoma ca 3.0 mi ne Cavedale (road from junction with CA Hwy 12) 250 Comment
  SEINET12327823  Castilleja foliolosa F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -078 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  UCD122506  Castilleja foliolosa G. E. Kerley 1966-4-3 66- 19 Sonoma Trinity Road, 7.3 miles southwest of Oakville. 304 Comment
  SD62057  Castilleja franciscana Darley F. Howe 1965-8-3 Sonoma 2.4 miles east of Bodega Bay on Highway #1. Comment
  SEINET12337432  Castilleja franciscana Unknown 1986-1 60158 Sonoma W of Healdsburg, Palmer Creek drainage (tributary of Mill Creek) 366 Comment
  CAS-BOT-BC243857  Castilleja latifolia John Thomas Howell 1934-3-3 11740 Sonoma Near Fort Ross Comment
  RSA92796  Castilleja latifolia Joanne Taylor 1941-7-13 7 Sonoma Bodega Head 30 Comment
  SEINET236310 Image available Castilleja rubicundula Richard J. Shaw 1963-6-10 1297 Sonoma Highway 1 across the street from Arch Rock Beach. Comment
  UC70350  Castilleja rubicundula subsp. lithospermoides Milo S. Baker 1898-5-7 599 Sonoma Glen Ellen Comment
  CAS-BOT-BC195605  Catapodium rigidum G. DeNevers 1981-7-19 1761 Sonoma Garrison yard Comment
  CAS-BOT-BC361351  Caulanthus lasiophyllus Greg de Nevers 1997-4-24 10959 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC48512  Ceanothus confusus Milo S. Baker 1927-7-3 2332 a Sonoma Cobb Mt. Comment
  UC1299546  Ceanothus cuneatus var. cuneatus Freed W. Hoffman 1947-5-30 520 Sonoma Layton Mine, Auston Creek North Coast Ranges Comment
  CAS-BOT-BC49695  Ceanothus cuneatus var. ramulosus Milo S. Baker 1924-4-25 97 Loc-24 Sonoma Road to Cooper Grove Comment
  SEINET12210765  Ceanothus divergens W. Knight, Knight, I. 1982-1 4521 Sonoma Tilden Botanic Garden, Berkeley Comment
  RSA339387  Ceanothus divergens subsp. confusus Roger Raiche 1985-11-28 50897 Sonoma W of Cloverdale, Red Mt. betw Hot Springs Road and cherry Creek Road. 378 Comment
  UC1070626  Ceanothus foliosus R. W. Lundh 1932-6-19 109 Sonoma 1 mi nw Los Alamos School; Santa Rosa quad. 579 Comment
  CAS-BOT-BC64421  Ceanothus foliosus subsp. vineatus Milo S. Baker 1946-4-29 11355 Sonoma Vine Hill region along College Ave. hwy. Comment
  CAS-BOT-BC49904  Ceanothus foliosus var. foliosus Walter Knight; Irja Knight 1963-9-1 141 Sonoma Pine Mt. Rd. - N.E. of Cloverdale, Harold Smith Ranch Comment
  CAS-BOT-BC49906  Ceanothus foliosus var. foliosus Walter Knight; Cliff Schmidt 1987-2-27 6057 Sonoma Cavedale Road 274 Comment
  CAS-BOT-BC49911  Ceanothus foliosus var. foliosus J. W. Congdon 1880-5-16 s.n. Sonoma Sebastopol Comment
  UCD112132  Ceanothus foliosus var. vineatus Ray Prag 1970-6-9 s.n. Sonoma Vine Hill School Road, 3/4 mile east of Vine Hill Road. Comment
  RSA0005484  Ceanothus foliosus var. vineatus H. E. McMinn 1936-4-5 4406 Sonoma West of Vine Hill School, ca. 10 miles west of Santa Rosa. Comment
  CAS-BOT-BC49994  Ceanothus gloriosus John Thomas Howell 1937-4-11 12899 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49996  Ceanothus gloriosus Milo S. Baker 1935-4-1 8027 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50005  Ceanothus gloriosus John Thomas Howell 1935-5-5 12613 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50017  Ceanothus gloriosus John Thomas Howell 1937-4-11 12900 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC631633  Ceanothus gloriosus var. exaltatus G. Thomas Robbins 1940-3-22 300 Sonoma Guerneville road, Vine Hill region, about 8 1/2 miles west of Santa Rosa. 45 Comment
  CAS-BOT-BC49976  Ceanothus gloriosus var. gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S. of Stewart's Point Comment
  UC1070747  Ceanothus incanus H. S. Yates 1934-4-21 3782 Sonoma Near Freestone 60 Comment
  UC1362455 Image available Ceanothus incanus Frederick Karl Klein 1969-9-8 Sonoma near Lake-Sonoma County line (along Ida Clayton Road-Western Mine Road); ; near Lake-Sonoma Co. line, Sonoma Co. 762 Comment
  RSA1120  Ceanothus integerrimus var. californicus B. D. Stark, H. E. McMinn 1929-7-22 1380 Sonoma Sonoma-Mendocino County line. Comment
  RSA21888  Ceanothus integerrimus var. puberulus Alice Eastwood, John T. Howell 1939-4-2 7377 Sonoma Near Camp Meeker on road to Monte Rio. Comment
  UC1070785  Ceanothus jepsonii C. M. Belshaw 1936-3-8 1584 Sonoma .75 mi n. Annadel (nw of Kenwood); Santa Rosa quad. Comment
  UC70452  Ceanothus jepsonii Milo S. Baker 1898-6-11 662 Sonoma near Geysers (Hog Back) Comment
  UC870590  Ceanothus jepsonii Alice Eastwood and John Thomas Howell 1939-4-2 7377 Sonoma near Camp Meeker (on rd to Monte Rio) Comment
  UCD101294  Ceanothus jepsonii Daniel Sanchez-Mata; Tomas Santamaria 2008-7-13 s.n. Sonoma Healdsburg. Pine Flat Road from Road 128. Red Hill. Audubon Sanctuary. 400 Comment
  SEINET12210777  Ceanothus jepsonii var. albiflorus B. A. Stein 1981-1 452 Sonoma West slope of Mt. St. Helena, Ida Clayton Road 427 Comment
  SEINET12210770  Ceanothus jepsonii var. jepsonii B. A. Stein 1981-1 448 Sonoma Summit of Harrison Grade Road, east of Occidental 244 Comment
  CAS-BOT-BC126848  Ceanothus parryi D. E. Breedlove 1980-6-28 44798 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC51880  Ceanothus parryi Lester Rowntree 1933-6-5 s.n. Sonoma Occidental Comment
  POM136671  Ceanothus parryi A. A. Heller, H. E. Brown 1902-4-22 5337 Sonoma Bet Santa Rosa and Agua Caliente Comment
  CAS-BOT-BC51875  Ceanothus parryi G. DeNevers 1982-2-20 1890 A Sonoma In the canyon behind (W of) Phillips Garden Comment
  SEINET12211132  Ceanothus parryi Unknown 1985-1 50183 Sonoma W of Healdsburg, Dry Creek area, ridge W of Dry Creek Valley & N of Dorman Canyon (Crane 244 Comment
  SD88409  Ceanothus parvifolius D. F. Howe 1972-4-28 Sonoma Trinity Road, Mt. Hood Range 395 Comment
  UC1193290  Ceanothus prostratus R. H. Neuns 1950-5-17 112 Sonoma 4 mi airline from the Geysers (Sonoma-Lake County line); Quad. 60B4, 4 mi from the Geysers 990 Comment
  CAS-BOT-BC53043  Ceanothus sonomensis A. A. Heller; H. E. Brown 1902-3-12 s.n. Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  SD88410  Ceanothus sonomensis D. F. Howe 1972-4-28 Sonoma Trinity Road, Mt. Hood Range 395 Comment
  CAS-BOT-BC281968  Centaurea benedicta Volney Rattan 1877-6-23 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC282017  Centaurea calcitrapa Greg de Nevers 1987-5-11 8176 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd, Santa Rosa 400 Comment
  SEINET11844187  Centaurea calcitrapa W. Knight, Wagnon, K. 1987-1 6486 Sonoma Willow Brook between Corona Road & Old Redwood Hwy 6 Comment
  CDA33632  Centaurea iberica R. Breckenridge, A. Smith, K. Filippini 2010-7-21 PDR# 1313479 Sonoma Calistoga; La Franchi Ranch, State Hwy 128. 0 Comment
  CDA7232  Centaurea iberica Bremner 1929-8-5 Sonoma Healdsburg region. 0 Comment
  CAS-BOT-BC277256  Centaurea solstitialis Robert M. King 1980-7-8 8416 Sonoma 5 miles generally Northeast of Santa Rosa Comment
  CAS-BOT-BC277258  Centaurea solstitialis L. R. Abrams 1916-7-4 5794 Sonoma Road between Petrified Forest and Mark West Comment
  SEINET12332116  Centaurium floribundum H. K. Wagnon 1988-1 1743 Sonoma Santa Rosa, Spring Lake Park, just S of Montgomery Drive 73 Comment
  JEPS20838  Centaurium muehlenbergii Harry K. Roberts 1958-7-8 Sonoma 0.1 mi e junction of the Sebastopol and Occidental roads (and extending w toward Sebastopol for 1.2 mi on the lower half of the borrow pit on the s side of the Sebastopol-Santa Rosa highway) Comment
  JEPS97613  Centaurium trichanthum R. D. Stone and G. L. Clifton 1983-6-16 551 Sonoma Little Geysers; Upper Big Sulphur Creek drainage 701 Comment
  CAS-BOT-BC288812  Centromadia fitchii Lewis S. Rose 1935-9-11 35623 Sonoma 2 miles N of Healdsburg 39 Comment
  JEPS38160  Centromadia fitchii W. L. Jepson 9433 a Sonoma Alexander Valley Comment
  CAS-BOT-BC271542  Centromadia parryi subsp. parryi David D. Keck 1933-11-10 2730 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  CAS-BOT-BC279396  Centromadia pungens subsp. pungens James I. McMurphy 1909-8-9 712 Sonoma Summit, hills between Sonoma and Petaluma Comment
  CAS-BOT-BC279398  Centromadia pungens subsp. pungens Walter Knight; Irja Knight 1963-8-29 186 Sonoma Keokuk St., near St Vincent's High School, Petaluma Comment
  CAS-BOT-BC279399  Centromadia pungens subsp. pungens H. M. Hall 1931-10-6 13264 Sonoma West of Petaluma Comment
  CAS-BOT-BC388436  Cerastium glomeratum G. DeNevers 1981-4-16 713 Sonoma Pepperwood Ranch. Garrison Canyon, by shack Comment
  CAS-BOT-BC388438  Cerastium glomeratum Peter Rubtzoff 1952-3-23 902 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC388439  Cerastium glomeratum Peter H. Raven 1954-2-27 6423 Sonoma Cavedale Road, ca. 3 miles n. of Boyes Springs, Sonoma Valley Comment
  CAS-BOT-BC207634  Cercis occidentalis James McMurphy 1909-5-29 s.n. Sonoma Grade between Black Mountain and Geyser Mountain Comment
  POM203653  Cercocarpus betuloides J. T. Howell 1933-4-2 10938 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC135422  Cercocarpus betuloides var. betuloides John Thomas Howell 1937-7-4 13074 Sonoma Near Petrified Forest Comment
  UC518989  Cercocarpus betuloides var. betuloides J. Clausen 1933-3-25 734 Sonoma Santa Rosa Creek Canyon 182 Comment
  UC20109  Chamerion angustifolium subsp. circumvagum Miss Alice Bolton 1896-7-26 Sonoma near Russian River Station Comment
  UC205112  Cheilanthes intertexta Michener and Bioletti March 1893 Sonoma Hood's Peak Comment
  CAS-BOT-BC166798  Chenopodium Peter Rubtzoff 1971-8-9 6638 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC499264  Chlorogalum pomeridianum David D. Keck 1944-7-11 5517 Sonoma 2 miles south of bridge across mouth of Russian River at Bodega, Sonoma Coast State Park Comment
  CAS-BOT-BC361397  Chorizanthe Greg de Nevers 1993-5-10 10442 Sonoma Bodega Dunes State Beach, just north of Bodega Head. 0 Comment
  UC84506  Chorizanthe cuspidata var. villosa Alice Eastwood 1900-7-4 Sonoma Bodega Point; ; Bodega Pt., Sonoma Co. Comment
  SD8120  Chorizanthe membranacea Michener, Bioletti 1892-5-30 521 a Sonoma Hoods Peak Comment
  RSA0045165  Chorizanthe polygonoides var. polygonoides Greg de Nevers 1993-4-27 10410 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. East of 3865 Franz Valley Road. 91 Comment
  RSA8361  Chrysanthemum segetum L. S. Rose 1933-5-9 33154 Sonoma Bodega Bay. Comment
  RSA749089  Chrysolepis chrysophylla P. C. Pendse 1979-10-7 s.n. Sonoma Salt Point State Park. Next to ranger station. Among bishop pines, coast redwood, and tan oaks. Comment
  CAS-BOT-BC285251  Cichorium intybus Greg de Nevers 1992-6-26 10186 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  RSA135376  Circaea alpina subsp. pacifica Volney Rattan 1877-6-13 s.n. Sonoma Guernville Comment
  RSA790282  Cirsium arvense Peter Rubtzoff 1955-8-13 2049 Sonoma Willow Creek Marsh. Comment
  UCD148368  Cirsium arvense Peter Rubtzoff 1955-8-13 2049 Sonoma Willow Creek Marsh. Comment
  CDA18867  Cirsium douglasii var. douglasii R. Breckenridge 1999-6-14 PDR 909431 Sonoma North Coast Ranges; Hwy 1, near Salmon Creek Beach, Salmon Creek/ Bodega. 0 Comment
  CAS-BOT-BC290636  Cirsium occidentale var. occidentale Peter Rubtzoff 1958-7-26 3801 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC280541  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  CAS-BOT-BC280537  Cirsium quercetorum John Thomas Howell 1937-6-6 13047 Sonoma 7 miles n. of Petaluma on Stony Point road Comment
  POM261637  Cirsium remotifolium var. odontolepis Alice Eastwood, John Thomas Howell 1938-7-6 6088 Sonoma Alder Glen Springs. Comment
  CAS-BOT-BC285898  Cirsium vulgare John Thomas Howell 1930-6-8 5286 Sonoma 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC285896  Cirsium vulgare John Thomas Howell 1946-8-17 22865 Sonoma Cunningham Marsh Comment
  UCD165170  Clarkia Peter Rubtzoff 1974-5-26 7498 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC162607  Clarkia W. R. Dudley 1893-9-9 s.n. Sonoma Russian River Comment
  UCD104026  Clarkia amoena Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 49 Sonoma Unit 2 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC161054  Clarkia amoena subsp. amoena Alice Eastwood 1915-6-29 4883 Sonoma Bodega Point Comment
  UC112987  Clarkia amoena subsp. amoena Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  UC423074  Clarkia amoena subsp. amoena Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  UC1018290  Clarkia amoena subsp. huntiana H. Lewis and M. Lewis 1951-7-10 871 Sonoma 2.0 mi e Mark West Springs Comment
  RSA108243  Clarkia amoena subsp. huntiana Harlan Lewis, M. Lewis 1947-6-15 434 Sonoma Highway 1, 3.7 miles south of Fort Ross Historical Monument Comment
  RSA108390  Clarkia amoena subsp. huntiana Harlan Lewis, M. Lewis 1951-7-10 870 Sonoma 0.1 mile west of Mark West Spring Comment
  CAS-BOT-BC172206  Clarkia concinna Rimo Bacigalupi 1926-5-2 1397 Sonoma Cazadero Comment
  CAS-BOT-BC172208  Clarkia concinna C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  CAS-BOT-BC172209  Clarkia concinna Peter Rubtzoff 1952-6-9 1184 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC172214  Clarkia concinna D. E. Breedlove 1962-6-6 2893 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  UCD160125  Clarkia concinna James A. Neilson Jr. 1973-6-6 2987 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  UCSB15930  Clarkia concinna Breedlove, Dennis 1962-6-6 Sonoma along State Highway 128; 1.5 miles northwest of U.S. Highway 101; at Cloverdale 121 Comment
  UCSB4287  Clarkia concinna Robbins, G. 1936-6-4 Sonoma Bennett Valley Comment
  RSA144395  Clarkia concinna subsp. concinna Roxana S. Ferris, Laura Lorraine 1961-6-15 13550 Sonoma Green Valley Road 0.8 miles E of junction with Harrison Grade Road. Comment
  UC20005  Clarkia concinna subsp. concinna Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UCD158789  Clarkia gracilis James A. Neilson Jr. 1974-6-1 2876 Sonoma Mayacmas Mountains, Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  JEPS43826  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 18 Sonoma 1/2 mi e Glen Ellen 30 Comment
  UC725843  Clarkia gracilis subsp. sonomensis A. A. Heller 1941-6-4 16162 Sonoma several mi e Santa Rosa (on the road to Sonoma) Comment
  RSA73310  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 21 Sonoma Sonoma - Santa Rosa Hwy, 5.5 miles S of Santa Rosa. 32 Comment
  SEINET12194279  Clarkia purpurea F. H. Utech 1986-1 86 -099 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  UC424795  Clarkia purpurea Milo S. Baker 1930-6-6 4165 a Sonoma between Wake Robin Lodge and Brenner's Comment
  UC58864  Clarkia purpurea subsp. quadrivulnera Milo S. Baker May 1899 Sonoma near Kenwood Comment
  POM187327  Clarkia unguiculata Marcus E. Jones 1931-7-5 29038 Sonoma The Geysers. Comment
  UCD160134  Clarkia unguiculata James A. Neilson Jr. 1973-6-7 2971 Sonoma Mayacmas Mountains. The Geysers. Site IV-G, Big Geysers. (Elevation and exact location estimated by label maker.) 365 Comment
  CDA5445  Claytonia exigua D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .287 Sonoma Cavedale Rd. Comment
  UCD100597  Claytonia exigua subsp. glauca G. F. Hrusa 1991-4-6 8310 Sonoma app. 1/4 m. N of Ida Clayton Rd. on N shoulder of Mt. St. Helena. 426 Comment
  CAS-BOT-BC439412  Claytonia gypsophiloides Ira L. Wiggins 1949-4-30 12062 Sonoma 6.8 miles east of Santa Rosa on road to Calistoga Comment
  SJSU9881  Claytonia gypsophiloides G. J. Woodside 1969-4-29 Sonoma Dutton Bill Creek 4 mi above Camp Meeker at St Dorothy's Rest Comment
  CAS-BOT-BC229139  Claytonia parviflora subsp. grandiflora Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC439812  Claytonia perfoliata A. A. Heller; H. E. Brown 1902-4-11 5267 a Sonoma Bodega Bay 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-BC443869  Claytonia sibirica Dorothy Scherer 1996-3-25 015 Sonoma Kolmer Gulch, west of Hwy 1 ca 250', Fort Ross State Historic Park 1 Comment
  UCR55991  Claytonia sibirica Fran Sibel 1965-5-28 325 Sonoma North Coast, along Gualala River off Hwy 1 and east toward Anapolis 152 Comment
  CAS-BOT-BC443872  Claytonia sibirica Mark Okada 1975-5-25 s.n. Sonoma Springs Rd. Comment
  CAS-BOT-BC91529  Clematis lasiantha Greg de Nevers 1993-8-14 10489 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Devil's Kitchen. 457 Comment
  RSA0017422  Clematis ligusticifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC499956  Clintonia andrewsiana Mrs. H. C. Cantelow 1934-4-29 495 Sonoma Bank of Gualala River Comment
  CAS-BOT-BC499958  Clintonia andrewsiana Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC499959  Clintonia andrewsiana Elsa Ruckert 1960-5-15 154 Sonoma 3362 West Dry Creek Road, in woods, 5 miles northwest of Healdsburg 152 Comment
  CAS-BOT-BC499960  Clintonia andrewsiana Peter Rubtzoff 1957-4-28 3293 Sonoma Sonoma County Marshes, Duncans Mills Marsh Area Comment
  RSA63335  Collinsia heterophylla Milo S. Baker 1950-6-12 12279 Sonoma Hillside opposite Maplewood, near Kenwood. Comment
  JEPS3847  Collinsia sparsiflora var. arvensis Eleanor Armstrong 1933-4-1 664 Sonoma near Camp Meeka 30 Comment
  UC26654  Collinsia sparsiflora var. arvensis Mrs. Ward 1891-1 Sonoma Kenwood Comment
  UC1238963  Collinsia tinctoria Freed W. Hoffman 1947-5-18 770 Sonoma Dutch Bill Creek near Camp Meeker (North Coast Ranges); , Dutch Bill Creek 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
  UC496400  Collomia heterophylla Merle Randall 1930-6-8 Sonoma floor Redwood Forest; Cazadero Comment
  CAS-BOT-BC286005  Conyza bonariensis Mary P. Wells 1988-9-7 966 Sonoma At Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC288914  Conyza canadensis Peter Rubtzoff 1951-9-2 724 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  JEPS128187  Conyza canadensis Roger Raiche 1999-8-28 027 .99 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SDSU657  Corallorhiza maculata D. F. Howe 1963-7-3 3591 Sonoma Under redwoods, 20 miles north of #12 on #1. Comment
  RSA412354  Cordylanthus tenuis subsp. brunneus Francis W. Pennell 1940-7-3 26044 Sonoma Hoods Peak, NE of Kenwood 701 Comment
  UCD151308  Cordylanthus tenuis subsp. brunneus James A. Neilson Jr. 1974-7-31 2862 Sonoma Mayacmas Mountains. Little Geysers area, 1/4 mile north of hot springs. (Elevation estimated by label-maker using topo map.) 731 Comment
  CAS-BOT-BC238232  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1955-7-11 55110 Sonoma 2 mi. e. of Occidental 243 Comment
  JEPS57467  Cordylanthus tenuis subsp. capillaris L. R. Heckard 1968-7-23 2068 Sonoma n Occidental (Stoetz Lane about 3/4 mi w of Harris grade road) Comment
  RSA107417  Cordylanthus tenuis subsp. capillaris L. S. Rose 1955-7-11 s.n. Sonoma 2 miles NE of Occidental 244 Comment
  UCR78363  Cordylanthus tenuis subsp. capillaris T. I. Chuang, F. M. Chuang 1970-8-25 6845 Sonoma 2.7 mi east of Occidental 138 Comment
  RSA0034034  Cornus Peter Rubtzoff 1987-7-18 9797 Sonoma Russian River at Forest Hills, ca. 5.5 miles east of Guerneville. Along river, off Summerhouse Park Road, 0.2 miles west of Forest Hills Road. Comment
  CAS-BOT-BC212291  Cornus glabrata Greg de Nevers 1987-5-11 8168 Sonoma Knights Valley, 2 mi. S of Hwy 128 on Franz Valley Rd. 100 Comment
  RSA239697  Cornus stolonifera Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1094 Sonoma Pitkin-Jones Tree Farm; on Vine Hill Rd. west of Santa Rosa. Comment
  CAS-BOT-BC180190  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1963-9-15 296 Sonoma Los Alamos Rd., Santa Rosa Comment
  SD38617  Cotula coronopifolia Edith A. Purer 1932-7-24 Sonoma Bodega Bay Comment
  UCD130895  Cotula coronopifolia Charles B. Heiser Jr. 1946-4-13 1724 Sonoma 1 mile east of Jenner. Comment
  CAS-BOT-BC143507  Crataegus gaylussacia Peter Rubtzoff 1959-5-30 4062 Sonoma Freestone Marsh Comment
  CDA4461  Crupina vulgaris G. D. Barbe 1991-5-15 4412 (b) Sonoma Inside western boundary of Annadel State Park, Santa Rosa. Comment
  CAS-BOT-BC190103  Crypsis schoenoides John Thomas Howell 1957-9-16 32979 Sonoma Russian River bottom, near Guerneville. Comment
  SEINET11687825  Crypsis schoenoides W. Knight, Knight, I.; Knight, T. 1986-1 5519 Sonoma Old Adobe Road toward E Washington St, 0.5 mi from the old adobe Comment
  UC1186500  Cryptantha leiocarpa Peter M. Ray 1952-5-30 2299 Sonoma n of Bodega Head (between Bodega Harbor and the ocean (near harbor just s of the marsh indicated on Bodega Head quadrangle)) Comment
  JEPS73684  Cupressus macnabiana L. R. Heckard 1968-2-25 1752 Sonoma along Cavedale Road about 5 mi from its junction with the Sonoma-Kenwood Road (western slope of Hooker Canyon (head of)); western slope of Hooker Canyon (head of) 548 Comment
  RSA178043  Cupressus macnabiana Robert F. Thorne 1965-4-20 34367 Sonoma Head of Hooker Canyon on Cavedale Road, north of Sonoma 610 Comment
  NY16705  Cupressus macnabiana C. B. Wolf 1934-10-18 6198 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  HSC99996  Cupressus pygmaea J. P. Smith, , J. O. Sawyer, & R. J. Cole 2009-10-10 12692 Sonoma Salt Point State Park Comment
  UCD164703  Cuscuta howelliana Peter Rubtzoff; Nancy Harrison 1976-6-18 8648 Sonoma False Lake Meadow area, Annadel State Park. Comment
  RSA788849  Cuscuta pentagona Peter Rubtzoff 1970-9-8 6384 Sonoma Sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  UCD37117  Cynodon plectostachyus Beecher Crampton 1957-5-15 4042 Sonoma 4-5 miles southwest of Healdsburg, Foreman Lane, Frank C. Grace Ranch. Comment
  CDA12820  Cynoglossum grande G. F. Hrusa, R. Gross 1996-3-8 12654 Sonoma North Coast Biodiversity Arena; SW slope to NW of Chalk Hill. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  CAS-BOT-BC320564  Cynosurus Peter Rubtzoff 1974-5-25 7460 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC350811  Cynosurus Peter Rubtzoff; Nancy Harrison 1978-6-11 9209 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley. Comment
  CAS-BOT-BC190431  Cynosurus echinatus G. DeNevers 1982-4-18 1951 Sonoma Pepperwood Ranch. Along the road to Hansel's Lake. Comment
  CAS-BOT-BC190435  Cynosurus echinatus Mary P. Wells 1984-5-24 268 Sonoma Annadel State Park Santa Rosa. Comment
  CAS-BOT-BC190473  Cynosurus echinatus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53954 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  CDA16160  Cynosurus echinatus G. F. Hrusa, R. Gross 1999-6-12 15075 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
  UC1102750  Cynosurus echinatus A. R. Kruckeberg 1947-6-14 1502 Sonoma on hiway 28 ca 2 mi w Maacamas Creek bridge (w end of Knights Valley); Knights Valley, w of Maacamas Creek bridge Comment
  UCR253370  Cynosurus echinatus Peter Rubtzoff 1974-5-25 7460 Sonoma Upper Green Valley Marsh 76 Comment
  UCR254743  Cyperus Peter Rubtzoff 1970-9-2 6352 Sonoma Russian River bottom at Mirabel Park 5 Comment
  CAS-BOT-BC114516  Cyperus eragrostis Walter Knight; Irja Knight 1963-12-27 817 Sonoma Pine Flat Road Comment
  UCD161844  Cyperus eragrostis James A. Neilson Jr. 1975-6-26 s.n. Sonoma Mayacmas Mountains, Caldwell Pines area, Wildhorse #1. (Exact location unknown, coordinates estimated by label maker. Location georeference near Wildhorse Cr.) Comment
  CAS-BOT-BC114518  Cyperus eragrostis Walter Knight; Irja Knight 1963-9-29 228 Sonoma In ditch on Lakeville hwy near freeway. Comment
  CAS-BOT-BC114519  Cyperus eragrostis Walter Knight; Irja Knight 1963-10-1 381 Sonoma Railroad Ave & freeway, Cotati. Comment
  RSA41918  Cyperus eragrostis H. C. Cantelow 1936-5-3 1282 Sonoma Kenwood Comment
  CAS-BOT-BC114433  Cyperus erythrorhizos Peter Rubtzoff 1963-9-28 5279 Sonoma Fitch Mtn Grove, 2 mi E of Healdsburg. Open, moist ground on Russian River bottom. Comment
  UC1100638  Cyperus niger Herbert L. Mason 1946-7-4 12884 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh 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
  CAS-BOT-BC113913  Cyperus niger var. capitatus Peter Rubtzoff 1959-8-30 4242 Sonoma Drake's Beach, near Guerneville. Open, wet gravelly margin of Russian River. Comment
  CAS-BOT-BC113910  Cyperus niger var. capitatus Peter Rubtzoff 1964-8-26 5477 Sonoma Marsh 5 mi NE of Penngrove on Lichan Rd. 213 Comment
  UC1299377  Cypripedium californicum Freed W. Hoffman 1947-5-30 514 a Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC189806  Dactylis glomerata John H. Thomas 1976-6-15 18311 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UCD60294  Dactylis glomerata Collector unknown 1941-5-1 Sonoma Garden in Santa Rosa. Comment
  SD180627  Danthonia californica Beecher Crampton 1965-5-13 7339 Sonoma ca. 8.5 miles southeast of Geyserville; south end of Alexander Valley; junction of Calistoga (highway 128) and Chalk Hill Road Comment
  UCD151305  Danthonia californica James A. Neilson Jr. 1974-7-25 3050 Sonoma Mayacmas Mountains. Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  UCD60515  Danthonia californica R. Tofsrud 1948-6-24 s.n. Sonoma Arata Ave. just off Hwy. 101, nort of East Windsor. Comment
  UCD61031  Danthonia californica Gerry North 1993-4 37 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At lower camping area, 50 m E of foot bridge. 365 Comment
  SEINET9367871  Danthonia californica Unknown 1965-5-13 7339 Sonoma Ca. 8.5 mi SE of Geyserville, S end of Alexander Valley, jct of Callistoga (Hwy 128) and Chalk Hill roads. Comment
  UCD60986  Danthonia californica M. Wiesendanger 1927-5-5 710 Sonoma Sonoma Co. Comment
  RSA126872  Danthonia californica var. americana H. S. Yates 1937-5-30 6541 Sonoma 1.5 miles northeast of Graton 30 Comment
  RSA14422B  Danthonia californica var. americana J. T. Howell 1935-5-5 12611 Sonoma Low hills, 6 miles from Santa Rosa on road to Sonoma Comment
  UC1023586  Danthonia californica var. americana Virginia Bufford 1935-5-4 33 Sonoma Country Club Santa Rosa (1st Green) Comment
  CAS-BOT-BC154137  Datura Peter Rubtzoff 1958-8-30 3937 Sonoma Vacation Beach, near Guerneville, along Russian River Comment
  UC444931  Datura stramonium V. King Chesnut 1887-8-1 Sonoma Santa Rosa Comment
  CAS-BOT-BC366897  Datura wrightii Greg de Nevers 1997-10-17 11107 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Hansel's corral 400 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
  UC353900  Daucus pusillus Milo S. Baker 1927-5-7 2122 a Sonoma slope above house at Maple Glen Comment
  CAS-BOT-BC293812  Deinandra corymbosa Walter Knight; Irja Knight 1965-9-13 1190 Sonoma Lohrman Lane near firehouse. Petaluma Comment
  SEINET11845323  Delairea odorata W. Knight, Knight, I. 1990-1 6568 Sonoma along Coast Hwy #1 northbound through Jenner Comment
  UC804504  Delphinium bakeri Milo S. Baker May 1939 9489 Sonoma Coleman Valley, Sonoma Co. Comment
  POM253332  Delphinium decorum A. A. Heller 1938-5-14 15089 Sonoma East of Bodega Bay. Comment
  RSA264777  Delphinium hesperium Peter Rubtzoff 1974-5-25 7465 Sonoma Hwy 116, 2 miles W of Forestville Road cut (of Hwy 116) in forest Comment
  RSA32813  Delphinium luteum A. A. Heller 1940-5-17 s.n. Sonoma Along Hwy 1, mile or so east of Bodega Bay. Comment
  CAS-BOT-BC8007  Delphinium nudicaule A. A. Heller 1903-4-23 6604 Sonoma Fort Ross Comment
  CAS-BOT-BC8009  Delphinium nudicaule Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy, 3 miles north of Occidental Comment
  JEPS128285  Delphinium nudicaule Roger Raiche 2005-4-9 007 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  POM150547  Delphinium nudicaule A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross. Comment
  UC1299392  Delphinium nudicaule Freed W. Hoffman 1947-4-13 660 Sonoma near Guerneville; North Coast Ranges, Gilliam Creek Comment
  UC635359  Delphinium nudicaule H. L. Mason 1928-4-7 4277 Sonoma Jenner Russian River (mouth of river) Comment
  UC912671  Delphinium variegatum A. E. Borell 1928-4-13 122 Sonoma Petaluma Comment
  CAS-BOT-BC7775  Delphinium variegatum F. H. Utech 1986-5-13 86 -107 Sonoma ca 3.9 mi. NE of Cavedale Road from junction with CA Hwy. 12 250 Comment
  CAS-BOT-BC7763  Delphinium variegatum subsp. variegatum Milo S. Baker 1928-4-10 2987 a Sonoma Bennett Val. Comment
  UC118682  Delphinium variegatum subsp. variegatum Alice Eastwood 1900-4-7 Sonoma Altruria Comment
  SEINET12091842  Dendromecon rigida F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -105 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12, ca 1.6 mi N of Cavedale Rd from jct 396 Comment
  UCD95180  Dendromecon rigida Mrs. H. Dwyer 1928-5-1 1411 Sonoma Location unknown. Comment
  CAS-BOT-BC192604  Deschampsia cespitosa subsp. holciformis John H. Thomas 1976-6-16 18345 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC192616  Deschampsia cespitosa subsp. holciformis David L. Morgan 1961-5-7 s.n. Sonoma North of Jenner Comment
  RSA785371  Deschampsia danthonioides Peter Rubtzoff 1971-6-5 6510 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Road. Comment
  UCD63718  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3555 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  UCR280140  Deschampsia elongata Peter Rubtzoff 1971-6-25 6560 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  OBI6278  Dicentra formosa Ann C. Likins 1970-5-16 121 Sonoma Near Russian River, Moscow Rd, Rio Nido 24 Comment
  CAS-BOT-BC907  Dicentra formosa subsp. formosa Peter Rubtzoff 1975-4-27 7950 Sonoma Forest Hills, 5.5 miles E of Guerneville. At 9981 Old River Road. Comment
  CAS-BOT-BC254479  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1945-7-18 21322 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC221848  Dichanthelium acuminatum subsp. fasciculatum John Roos; Lucille Roos 1956-9-1 6598 Sonoma The Geysers Comment
  CAS-BOT-BC221849  Dichanthelium acuminatum subsp. fasciculatum Mary P. Wells 1984-6-8 346 Sonoma Site for North Firestation, east of Highway #1. The Sea Ranch Comment
  RSA759693  Dichanthelium acuminatum var. acuminatum R. D. Stone, G. Clifton 1983-6-16 553 Sonoma Little Geysers, upper Big Sulphur Creek drainage. 701 Comment
  POM288511  Dichanthelium acuminatum var. fasciculatum P. B. Kennedy 1915-5-31 s.n. Sonoma Annapolis Region Comment
  CAS-BOT-BC502210  Dichelostemma capitatum Elsa G. Ruckert 1960-4-3 70 Sonoma Triniti Road. 1 mile from Highway 12. 228 Comment
  CAS-BOT-BC502213  Dichelostemma capitatum A. A. Heller 1902-6-23 s.n. Sonoma Petrified forest Comment
  SEINET10965902  Dichelostemma capitatum A. Arthur Heller, H. E. Brown 1902-3-17 Heller 5087 Sonoma Hills 8 miles Northeast of Santa Rosa. Comment
  SEINET12048691  Dichelostemma congestum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -170 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  CAS-BOT-BC500685  Dichelostemma pulchellum Peter H. Raven 1955-4-23 8281 Sonoma 2 mi SE of Bennett Mt. Comment
  SBBG39521  Dichondra donelliana L. S. Rose 1970-4-18 70029 Sonoma 4 mi N of Sonoma 274 Comment
  CAS-BOT-BC176364  Digitaria sanguinalis Peter Rubtzoff 1958-8-24 3929 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD148387  Digitaria sanguinalis Peter Rubtzoff 1956-9-14 2857 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC153328  Diplacus layneae Alice Eastwood 1915-6-5 s.n. Sonoma Petrified Forest Comment
  UC1134582  Disporum hookeri E. Armstrong 1934-3-26 902 Sonoma 1 mi w of Camp Meeker 182 Comment
  CAS-BOT-BC320507  Distichlis Peter Rubtzoff 1971-9-2 6683 Sonoma Todd Road 0.8 miles west of Highway 101. Comment
  RSA0022417  Distichlis Peter Rubtzoff 1971-8-23 6644 Sonoma Stony Point Road, just S of Hwy 116. Comment
  RSA0022418  Distichlis Peter Rubtzoff 1971-8-23 6646 Sonoma Spring Hill Road, 0.8 miles SE of Bodega Hwy (of Two Rock Church). Comment
  UCD148365  Distichlis spicata Peter Rubtzoff 1955-8-20 2065 Sonoma Bodega Harbor Marsh. Comment
  UCR279620  Distichlis spicata Peter Rubtzoff 1962-7-14 5000 Sonoma Lower Salmon Creek Marsh 6 Comment
  CAS-BOT-BC196920  Distichlis spicata David L. Morgan 1956-5-8 s.n. Sonoma 3 miles southeast of Petaluma on Lakeville road Comment
  CAS-BOT-BC196923  Distichlis spicata David L. Morgan 1956-5-17 s.n. Sonoma 3 mi. E. of Petaluma on Lakeville Rd. Comment
  SEINET12010312  Dodecatheon hendersonii F. H. Utech, Kawano, S.; Ohara, M. 1995-3-26 95 -52 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  UC1123264  Dodecatheon hendersonii B. O. Schreiber 1938-2-27 2467 Sonoma 2 mi wnw Mark West Springs; Healdsburg Quad. 121 Comment
  RSA247149  Dodecatheon hendersonii Gary D. Wallace, Larry E. DeBuhr 1972-3-28 1006 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 mi east of junction with Hwy. 128. Comment
  SJSU8499  Dodecatheon hendersonii T. A. Wayne III 1962-4-7 Sonoma midway between Bodega Bay & Salmon Cr 91 Comment
  UCD55093  Downingia concolor G. F. Hrusa; R. Gross 1996-6-30 13059 Sonoma At west end of Diamond Mtn. Rd.; 2 m. SW of Calistoga. 700 Comment
  CAS-BOT-BC488328  Downingia concolor var. concolor Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain, NW of Cit of Santa Rosa. Maggi Property located SW of the intersectin of Fulton and River Rds. Sampling pool #1 43 Comment
  JEPS14426  Downingia concolor var. concolor F. T. Bioletti 1891-5-9 Sonoma Sonoma Comment
  UC28993  Downingia concolor var. concolor F. T. Bioletti May 1892 Sonoma Shellville Comment
  POM59149  Downingia concolor var. concolor A. A. Heller, H. E. Brown 1902-6-2 s.n. Sonoma Santa Rosa. Comment
  SD108305  Downingia concolor var. concolor Walter Knight, Irja Knight 1980-5-12 Sonoma 0.5 mile south of junction of highways 116 and 121 in Sonoma Valley. Comment
  UC76661  Downingia concolor var. concolor Miss M. Alice King May 1897 Sonoma Comment
  CAS-BOT-BC154141  Downingia pusilla Peter Rubtzoff 1972-5-14 6741 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC154161  Downingia pusilla Peter Rubtzoff 1972-4-23 6728 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  JEPS54476  Drosera rotundifolia Rimo Bacigalupi 1967-8-30 9313 Sonoma near eastern end of Templeman Road (se of Forestville); Pitkin Marsh 45 Comment
  CAS-BOT-BC71021  Dryopteris arguta Walter Knight; Irja Knight 1963-12-27 460 Sonoma Pine Flat Road Comment
  RSA0021585  Dryopteris arguta M. Bourell, Alva Day, George Lindsey 1982-6-25 1813 Sonoma CAS Pepperwood Ranch. 6 miles east of Santa Rosa. 366 Comment
  UC1936226  Dryopteris expansa W. Born Jun 2008 s. n. Sonoma Pomo Canyon Campground, Sonoma Co. coast Comment
  UC499854  Dudleya farinosa Roxana S. Ferris 1932-5-27 8260 Sonoma n end Bodega Bay (bluffs) Comment
  UCD98787  Dysphania chilensis Peter Rubtzoff 1953-11-1 1440 Sonoma Vacation Beach, near Guerneville. Comment
  SD131828  Dysphania pumilio Barbara Eritter 1988-11-5 8032 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, Point below Little Flat parking area W of bridge, steep bare banks left by receding water. 152 Comment
  CAS-BOT-BC210131  Echinochloa Peter Rubtzoff 1971-8-23 s.n. Sonoma Meacham Road, 0.35 miles south of Stony Point Road. Comment
  UCD60857  Echinochloa crus-galli Freed W. Hoffman 1941-6-20 2090 Sonoma Oregon Canyon near Camp Meeker. Comment
  UCR280185  Echinochloa crus-galli Peter Rubtzoff 1958-7-20 3794 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road) 30 Comment
  CAS-BOT-BC197222  Echinochloa crus-pavonis Walter Knight; Irja Knight 1963-10-3 353 Sonoma Bennett Valley Comment
  CAS-BOT-BC112983  Eleocharis macrostachya Peter Rubtzoff 1951-7-14 471 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112980  Eleocharis macrostachya Catherine Best 1981-8-22 s.n. Sonoma At the pond about 2 miles morth of Occidental on Stoetz Lane Comment
  CAS-BOT-BC113143  Eleocharis palustris John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC112193  Eleocharis radicans Peter Rubtzoff 1951-7-14 418 Sonoma Pitkin Marsh, near Forestville: Northern half of Lower Marsh. Comment
  CAS-BOT-BC113673  Eleocharis tenuis var. tenuis Sturgeon 1956-7-3 s.n. Sonoma Near Occidental (Sturgeon's Mill ?) Comment
  UC768755  Elymus californicus R. F. Hoover 1941-5-14 5093 Sonoma in hills sw of Occidental (near Joy District School) Comment
  UC1146677  Elymus glaucus Freed W. Hoffman 1943-6-13 2047 Sonoma Little Sulphur Creek North Coast Ranges Comment
  UCD61803  Elymus glaucus Beecher Crampton 1959-6-16 5377 Sonoma 1 mile E of Occidental. Comment
  CAS-BOT-BC203720  Elymus glaucus subsp. glaucus G. DeNevers 1981-5-12 1133 Sonoma Pepperwood Ranch. N arm of Garrison Canyon Comment
  CAS-BOT-BC203723  Elymus glaucus subsp. glaucus G. DeNevers 1981-5-9 1106 B Sonoma Pepperwood Ranch. S of Redwood Canyon Comment
  JEPS45813  Elymus glaucus subsp. glaucus Eleanor Armstrong 1932-5-19 162 Sonoma 1 mi w Camp Meeker 91 Comment
  UCD105384  Elymus glaucus subsp. glaucus Frederica Bowcutt 1996-5-24 2156 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma/Rattlesnake Creek confluence on small knoll. 381 Comment
  UCD62407  Elymus glaucus subsp. virescens Beecher Crampton 1957-7-11 4311 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  CAS-BOT-BC162054  Elymus lanceolatus subsp. lanceolatus R. D. Stone 1983-6-14 543 Sonoma Headwaters of Squaw Creek drainage near ridgeline, ca. 1.2 mile northwest of Geyser Rock. 1021 Comment
  UCR255660  Epilobium Greg de Nevers 1998-4-28 11208 Sonoma North Coast Range, Cresta Ranch, Cresta Road east of Mark West Lodge, on flood plain of Mark West Creek 137 Comment
  HSC87382  Epilobium canum subsp. latifolium Clare R. Wheeler 1985-9-8 3766 Sonoma Above Russian River, 1.6 km N of Preston bridge 103 Comment
  CAS-BOT-BC262971  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1520 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  CAS-BOT-BC262987  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1524 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  CAS-BOT-BC262970  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1955-8-20 2088 Sonoma Bodega Harbor Marsh. Comment
  POM225185  Epilobium ciliatum subsp. watsonii P. A. Munz 1936-8-8 14312 Sonoma Ft. Ross Comment
  RSA46765  Epilobium ciliatum subsp. watsonii L. S. Rose 1947-5-9 47136 Sonoma Bodega Bay 6 Comment
  CAS-BOT-BC262799  Epilobium hallianum Peter Rubtzoff 1962-6-1 4855 Sonoma Freestone Marsh. Comment
  UCD166300  Epilobium hallianum Peter Rubtzoff 1966-6-5 5760 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC262787  Epilobium hallianum Peter Rubtzoff 1962-5-25 4843 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC262798  Epilobium hallianum Peter Rubtzoff 1962-5-25 4843 Sonoma Atascadero Creek Marsh. Comment
  RSA155508  Epilobium hallianum L. S. Rose 1962-6-1 62060 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  RSA41106  Epilobium minutum Robert F. Hoover 1939-4-18 4040 Sonoma Occidental Comment
  UCD106503  Epilobium minutum Frederica Bowcutt 1994-5-21 1818 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 meadow trail approx. 3/4 mile from trailhead. 411 Comment
  SEINET10847992 Image available Epilobium torreyi Henry N. Bolander 1867-1 Bolander 6535 Sonoma Cloverdale. Comment
  JEPS82530  Epipactis gigantea Roger Raiche 1984-5-19 40162 Sonoma n Cazadero; The Cedars, headwaters of Big Austin Creek 243 Comment
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Oct 16 2007
  UCD167358  Epipactis gigantea James Neilson 1982-6-12 4080 Sonoma Mayacmas Mountains. Near Castle Rock Springs Camp. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC210086  Equisetum Peter Rubtzoff 1964-8-20 5462 Sonoma Americano Creek area, Petaluma-Valley Ford roadside near Bloomfield. Comment
  RSA784482  Equisetum Peter Rubtzoff 1973-8-21 7254 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA784473  Equisetum Peter Rubtzoff 1962-5-25 4840 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  CAS-BOT-BC57128  Equisetum X ferrissii Peter Rubtzoff 1952-5-31 1104 Sonoma Western branch of the Upper Marsh Comment
  JEPS79611  Equisetum X ferrissii Edward Lee 1979-7-21 Sonoma e Santa Rosa (Schultz Canyon); Annadel State Park Comment
  UCD148435  Equisetum X ferrissii Peter Rubtzoff 1962-5-25 4840 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC57037  Equisetum arvense Peter Rubtzoff 1954-6-6 1467 Sonoma Guerneville Marsh Comment
  UC371112  Equisetum arvense Miss M. Alice King 1897-1 Sonoma Comment
  SEINET6032328  Equisetum hyemale var. affine P. L. Henderson 1977-4-30 77 -7 Sonoma Bodega Bay, Bodega Head Comment
  RSA239707  Equisetum laevigatum Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1093 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  UCD135508  Equisetum laevigatum Herbert L. Mason Date Unknown s.n. Sonoma Alexander Valley. Comment
  CAS-BOT-BC57652  Equisetum telmateia D. M. Porter; S. H. Porter 1967-3-25 1547 Sonoma alongside Highway 1, 2 miles south of Stewarts Point Comment
  CDA11332  Equisetum telmateia subsp. braunii G. F. Hrusa 1995-4-2 12042 Sonoma North Coast Biodiversity Arena; Franz Valley Rd. approx 3 m. W of Knights Valley intersection with Hwy. 128. Comment
  UCD135595  Equisetum telmateia subsp. braunii Frederica Bowcutt 1997-7-18 2180 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain, West Bear Ck. 365 Comment
  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
  UCD135649  Equisetum telmateia subsp. braunii Charles B. Heiser Jr. 1946-4-14 1729 Sonoma Russian River, 3 miles west of Duncan Mills. Comment
  CAS-BOT-BC328124  Eragrostis Peter Rubtzoff 1965-8-16 5601 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC204642  Eragrostis mexicana subsp. virescens David L. Morgan 1960-6-22 s.n. Sonoma Watkins Ranch, 1/2 mi. NW of Penngrove on Redwood Highway Comment
  CAS-BOT-BC366888  Eragrostis mexicana subsp. virescens Greg de Nevers 1997-9-29 11096 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  CAS-BOT-BC164648  Erechtites minimus Peter Rubtzoff 1974-8-4 7799 Sonoma Upper Green Valley Marsh area. Comment
  UC17604  Eremocarpus setiger H. N. Bolander 1860-9-18 440 Sonoma Cloverdale Comment
  JEPS19211  Ericameria arborescens Edw. L. Greene 1888-8-31 Sonoma Petrified Forest Comment
  RSA149838  Ericameria ericoides var. ericoides George W. Barclay 1839-10 3037 Sonoma Bodegas Comment
  RSA507759  Erigeron glaucus J. C. Semple, S. Heard 1986-8-18 8545 Sonoma Pebble Beach Coastal Access; CA-1, 10.1 km S of Mendocino County line. Comment
  RSA0051270  Erigeron philadelphicus var. philadelphicus Greg de Nevers 1994-6-13 10526 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Creek. 100 Comment
  CAS-BOT-BC300304  Erigeron supplex Mary P. Wells 1984-6-8 338 Sonoma Site of North Fire station area. Near Milepost 55.44 on Hwy. 1. The Sea Ranch Comment
  CAS-BOT-BC224158  Eriodictyon californicum F. H. Utech; Walter Knight; Irja Knight 1984-4-16 84 -075 Sonoma Ca. 4.0 mi NNW of Sonoma on Cavedale from junction with CA hwy 12; ca 0.4 mi N on Cavedale Road from junction 106 Comment
  CAS-BOT-BC224156  Eriodictyon californicum Maxine Wilkes 1933-6-16 s.n. Sonoma So. of Healdsburg Comment
  JEPS82261  Eriogonum compositum var. compositum Roger Raiche 1983-6-4 30373 Sonoma s side Sweetwater Springs Road 3.9 mi w its origin at West Side Highway ((above Porter Creek e of its intersection with John Gordon Creek)) Comment
  CAS-BOT-BC250014  Eriogonum fasciculatum var. foliolosum Walter Knight; Irja Knight 1985-1-13 5158 Sonoma Near high bridge over Sonoma Lake west of Healdsburg Comment
  SD22296  Eriogonum latifolium John Thomas Howell 1930-7-27 5414 Sonoma Marine bluff, 4 miles north of Bodega Bay Comment
  UCSB50229  Eriogonum latifolium Gray, John 1976-5-5 Sonoma Bluff above Carment State Beach; T6N R11W 15 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
  CAS-BOT-BC259480  Eriogonum luteolum C. F. Leitholt 1893-6-1 s.n. Sonoma Sonoma Mt. Comment
  CAS-BOT-BC270975  Eriogonum nervulosum Roger Raiche 1984-6-23 43234 Sonoma The Cedars, N. of Cazadero on King Ridge Road, headwaters Big Austin and East Austin Creeks, near Red Slide, E. Augstin Creek 548 Comment
  UCR44934  Eriogonum nervulosum L. F. LaPre 1985-6-7 s.n. Sonoma The Cedars, 6.5 mi NW of Cazadero near Layton, Chromite Mine, upper Austin Creek 413 Comment
  CAS-BOT-BC261690  Eriogonum nudum var. nudum Irja Knight; Walter Knight 1964-11-15 791 Sonoma Hood's Peak on road below Johnson Lake Comment
  CAS-BOT-BC261693  Eriogonum nudum var. nudum G. DeNevers 1981-6-27 1713 Sonoma Pepperwood Ranch. Road cut at summit of Franz Valley Road Comment
  CAS-BOT-BC261682  Eriogonum nudum var. nudum A. A. Heller 1902-7-8 5814 Sonoma Near Healdsburg Comment
  UCD100590  Eriogonum nudum var. nudum Frederica Bowcutt 1994-6-24 1898 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
  CHSC107500  Eriogonum vimineum D. G. Kelch; Troy McGregor 2010-8-22 10 .356 Sonoma Nr Peak of Geyser Peak Rd. Comment
  UCD158794  Eriogonum vimineum James A. Neilson Jr. 1974-6-1 3055 Sonoma Mayacmas Mountains, Geyser Rock, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  CAS-BOT-BC301280  Eriophyllum lanatum var. arachnoideum J. Clausen 1935-5-24 1086 Sonoma 5.1 mi. S. of Jenner on the Bodega road Comment
  CAS-BOT-BC301283  Eriophyllum lanatum var. arachnoideum G. DeNevers 1981-4-25 825 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  CAS-BOT-BC301292  Eriophyllum lanatum var. arachnoideum John Thomas Howell 1930-6-8 5292 Sonoma 8.5 miles n. of Bodega Bay Comment
  POM256520  Eriophyllum lanatum var. arachnoideum H. L. Mason 1934-4-28 8096 Sonoma Jansen Ranch, at head of Dohrman Creek, four miles west of Healdsburg Comment
  RSA695688  Eriophyllum staechadifolium J. Russell Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  HSC8505  Erodium brachycarpum F. Demostene 1966-4-5 29 Sonoma 1 mi. W of Healdsburg Comment
  RSA44517  Erodium brachycarpum L. S. Rose 1949-4-6 49025 Sonoma Western outskirts of Sonoma. 30 Comment
  RSA139172  Erodium moschatum A. A. Heller, H. E. Brown 1902-3-26 s.n. Sonoma Santa Rosa Creek. Comment
  RSA227227  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1966-8-25 5805 Sonoma Laguna de Santa Rosa Comment
  HSC92211  Eryngium armatum A. T. Austin 1990-5-23 Sonoma Fort Ross State Park, FR 42 Comment
  SEINET7067265  Eryngium armatum A. G. Vestal 1947-5-13 s.n. Sonoma North of Salmon Creek. Coordinate datum: NAD27. UTM 10, 494344mE, 4245376mN. Comment
  CAS-BOT-BC54721  Erysimum concinnum Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point. Comment
  CAS-BOT-BC54760  Erysimum franciscanum A. A. Heller; H. E. Brown 1902-5-27 5607 Sonoma Bodega Bay. Comment
  SEINET14196771  Erythranthe bicolor K. Brandegee 1905-6-8 s.n. Sonoma Between Santa Rosa and Sebastopol. Comment
  CAS-BOT-BC153625  Erythranthe inodora Peter Rubtzoff 1959-5-30 4060 Sonoma Freestone Marsh Comment
  CAS-BOT-BC153621  Erythranthe inodora Peter Rubtzoff 1959-6-13 4128 Sonoma Willow Creek Marsh. Bank of Willow Creek Comment
  SEINET8370236  Erythranthe microphylla Robert F. Thorne 1965-4-19 34286 Sonoma near county dump on Stoetz Road off of Harrison Grade ca. 2 miles nne of Occidental. 183 Comment
  SEINET10953574  Erythranthe nasuta H. T. Edwards Edwards s.n. Sonoma Knights Valley Comment
  RSA0089544  Erythronium californicum Ann Howald 2015-4-1 3314 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage. 520 Comment
  UCR265137  Erythronium californicum Ann Howald 2015-4-1 3314 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 520 Comment
  SEINET3991264  Erythronium helenae Unknown 1934-3-25 8855 Sonoma Headwaters of Sulpher Creek, opposite the old Sonoma quicksilver mine 610 Comment
  CAS-BOT-BC403694  Eschscholzia californica David D. Keck; J. Clausen 1935-6-15 3374 Sonoma 1 mi. N. of Salmon Creek Comment
  CAS-BOT-BC403701  Eschscholzia californica Alice Eastwood 1915-6-29 4823 Sonoma Bodega Point Comment
  CAS-BOT-BC403705  Eschscholzia californica Walter Knight; Irja Knight 1963-9-29 222 Sonoma Foot of Jefferson St. Petaluma Comment
  CAS-BOT-BC202537  Euphorbia Peter Rubtzoff 1986-9-28 9748 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC202541  Euphorbia Peter Rubtzoff 1987-10-17 9877 Sonoma Russian River ca. 6 miles east of Guerneville Comment
  CAS-BOT-BC540827  Euphorbia Peter Rubtzoff 1971-7-23 6610 Sonoma Laguna, Chileno Valley. Comment
  UCD77520  Euphorbia nutans Robert E. Preston 1999-11-9 1253 Sonoma Along Petaluma Hill Rd, 0.25 mi S of Yolanda Drive, ca. 1.2 mi S of Sonoma Co. fairgrounds, Santa Rosa. 42 Comment
  JEPS117124  Euphorbia oblongata Peter Warner 2010-5-6 142 Sonoma Annadel State Park, North Burma Trail, ~500 m W of junction with Richardson Trail; along trail and downslope Comment
  UC727056  Eurybia radulina A. A. Heller 1941-8-8 16277 Sonoma west of the Petrified Forest Petrified Forest Comment
  CAS-BOT-BC459232  Euthamia occidentalis Walter Knight; Keith Wagnon 1987-8-28 6106 Sonoma Along Willow Brook north of Petaluma Comment
  RSA94310  Euthamia occidentalis Peter Rubtzoff 1951-9-2 700 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC418825  Fagopyrum esculentum H. K. Wagnon 1988-8-8 1797 Sonoma Spring Lake Park and environs. Adjacent to Montgomery Drive 67 Comment
  RSA0065935  Festuca Greg de Nevers 1989-04 9062 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  CDA18016  Festuca arundinacea S. Parnay 1999-5-25 PDR 008538 Sonoma Glen Ellen. 0 Comment
  UC729997  Festuca californica Leo F. Koch 1940-4-20 805 Sonoma 9 mi s Stewarts Point (along Highway 1) Comment
  CAS-BOT-BC283188  Festuca californica subsp. californica G. DeNevers 1981-5-15 1172 Sonoma N arm of Garrison Canyon, Pepperwood Ranch Comment
  CAS-BOT-BC283186  Festuca californica subsp. californica G. DeNevers 1981-4-25 801 Sonoma Near the main Pepperwood entrance, along the creek runnin past the chicken-goat area, Pepperwood Ranch Comment
  CAS-BOT-BC283189  Festuca californica subsp. californica G. DeNevers 1981-5-5 929 Sonoma W arm of Garrison Canyon, Pepperwood Ranch Comment
  UC38544  Festuca idahoensis Michener and Bioletti 1893-7-31 119 Sonoma Hood's Peak Comment
  RSA93405  Festuca idahoensis Milo S. Baker 1945-06 10921 Sonoma Spring Mountain Road, halfway to summit. Comment
  UC1153832  Festuca subuliflora Beecher Crampton 1955-6-15 2961 Sonoma 2 mi e Fort Ross Comment
  UCD66491  Festuca subuliflora P. B. Kennedy 1915-5-31 s.n. Sonoma Road Stewart's Point to Annapolis. Comment
  UCD112528  Frangula californica P. G. Connors 1991-6-25 176 Sonoma Bodega Head and Dunes. 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
  CAS-BOT-BC53282  Frangula californica subsp. californica Mrs. E. C. Sutliffe 1920-8-1 s.n. Sonoma Annapolis Comment
  UCD99585  Frankenia salina P. G. Connors 1991-6-17 164 Sonoma Bodega Marine Laboratory. Near jaumea. Comment
  RSA223348  Fraxinus latifolia Peter Rubtzoff 1964-6-20 5364 Sonoma Laguna de Santa Rosa southeast of Sebastopol near Cooper Road Comment
  UC34903  Fraxinus latifolia W. A. Setchell 1897-6-16 Sonoma Cazadero Comment
Read comments
Dec 31 2015
  CAS-BOT-BC504398  Fritillaria Saichi Kawaha 1968-4-20 320 Sonoma 1 mile northeast of Highway 12 152 Comment
  UC72276  Fritillaria affinis Milo S. Baker 1898-3-19 722 Sonoma near Santa Rosa (Happy Valley); Happy Valley Comment
  SEINET8716152 Image available Fritillaria lanceolata Laura Zeller 1965-1 1 Sonoma In Oak woodland on N side of hill above dry creek bed. About 1.5 miles from Highway 12 on Cavedale Road. Elevation ca. 650 ft. 198 Comment
  CAS-BOT-BC130454  Fritillaria purdyi Milo S. Baker 1927-4-22 s.n. Sonoma Mt. St. Helena 853 Comment
  SEINET8480170  Fritillaria recurva M. J. Williams 1968-4-6 s.n. Sonoma Cavedale Road. 305 Comment
  CAS-BOT-BC376341  Galium andrewsii Greg de Nevers 1998-6-10 11283 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  RSA264725  Galium aparine Peter Rubtzoff 1955-5-21 1862 Sonoma Forestville Marsh. Comment
  UCD67958  Galium aparine Wesley Ebert 1977-4-9 17 Sonoma Penngrove, 6000 Soldiers Ln. on the W. side of Sonoma Mt. on E. facing slope. Heavily shaded by Umbellularia californica and Quercus agrifolia. Growing in rich moist humus. Plant with sticky texture on stems and leaves due to hairs. White flowers. 457 Comment
  UCD121744  Galium californicum J. M. Tucker 1951-6-26 2141 Sonoma Near summit of range, road from Glen Ellen to Oakville. Comment
  JEPS52888  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3910 Sonoma 1.7 mi n Fort Ross (on bluff overlooking ocean) Comment
  HSC19826  Galium divaricatum Michener, Bioletti 1892-7-1 Sonoma Hood's Peak Comment
  POM311187  Galium divaricatum Leo Koch 1940-6-12 1014 Sonoma In hills behind Fountaingrove Vineyard. 3 miles N of Santa Rosa along Hwy 101. Comment
  UCR255647  Galium murale Greg de Nevers 1993-3-30 10338 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  JEPS52831  Galium muricatum Lauramay T. Dempster and G. L. Stebbins 1963-10-26 3944 Sonoma 12.2 mi e Stewart's Point (on road to Geyserville) 91 Comment
  UC76641  Galium tricornutum Milo S. Baker 1899-6-2 Sonoma Melita Comment
  RSA264734  Galium trifidum Peter Rubtzoff 1970-6-14 6261 Sonoma On River Road about 3 miles W of Fulton. Comment
  RSA264751  Galium trifidum Peter Rubtzoff 1958-7-5 3746 Sonoma Atascadero Creek Marsh. Comment
  RSA790992  Gamochaeta ustulata Peter Rubtzoff 1971-6-5 6519 Sonoma Intermitten lake off wst side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CDA10948  Garrya elliptica G. F. Hrusa, G. L. Stebbins 1994-3-28 11706 Sonoma North Coast Biodiversity Arena; Fisk Mill Parking area, Salt Point State Park. 7 Comment
  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
  CDA10855  Garrya fremontii G. F. Hrusa, G. L. Stebbins 1994-4-8 11731 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Shrub, 6 ft., w/ burl. Mayacmas Mts. Comment
  CDA31007  Garrya fremontii D. G. Kelch, Troy McGregor 2010-8-22 10 .349 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  HSC39063  Garrya fremontii Gary S. Lester 1974-2-9 66 Sonoma Along Trinity Rd. 549 Comment
  UC727755  Garrya fremontii Milo S. Baker 1946-2-9 11263 Sonoma Hope Valley Kenwood Region (near Chamberlain Place) Comment
  POM188277  Gastridium phleoides Marcus E. Jones 1931-7-5 29208 Sonoma The Geysers. Comment
  CAS-BOT-BC278690  Gastridium phleoides Peter Rubtzoff 1959-9-19 4280 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC278693  Gastridium phleoides Peter Rubtzoff 1961-8-22 4692 Sonoma Fife Creek Marsh Comment
  UC903724  Gastridium ventricosum Milo S. Baker 1947-5-7 11746 Sonoma sw slope Hood Mt. (above Baker Ranch); sw slope of Hood Mt. 213 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
  CHSC63908  Gaultheria shallon John Hale 1990-4-10 20 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
  SBBG5536  Gaultheria shallon H. and M. Dearing 1939-5-15 3389 Sonoma N of Fort Ross Comment
  UCD159449  Gazania linearis D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 206 Sonoma Bodega Bay. Near Hitchcock movie house. 53 Comment
  UC353939  Gentiana sceptrum Milo S. Baker 3045 a Sonoma Pitkin Swamp Comment
  POM312857  Gentiana sceptrum H. L. Mason 1946-7-4 12891 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  CAS-BOT-BC257348  Geranium Peter Rubtzoff 1971-6-25 6564 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA0026778  Geranium carolinianum Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  UCSB50217  Geranium dissectum Gray, John 1976-5-1 Sonoma Bluff above Blind Beach; 1/2mile west of Highway 1; T7N RllW 60 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
  POM253004  Gilia capitata A. A. Heller 1937-5-9 15336 Sonoma Roadside bank in clay soil between Hopland and Mountain House. Comment
  SEINET12329963  Gilia capitata F. H. Utech 1986-1 86 -105 Sonoma ca 3 mi NE on Cavedale Road 250 Comment
  UC1182817  Gilia capitata subsp. capitata A. R. Kruckeberg 1949-7-22 S- 124 Sonoma Comment
  UCSB31713  Gilia capitata subsp. capitata Townsend, J. 1977-5-30 Sonoma East bank Russian River, 1 mile south of Gurneyville Comment
  POM179724  Gilia capitata subsp. chamissonis J. T. Howell 1930-6-8 5272 Sonoma North end of Bodega Bay. Comment
  CAS-BOT-BC226171  Gilia capitata subsp. tomentosa A. A. Heller 1940-5-17 15631 Sonoma Immediately east of Bodega Bay on State Highway #1 Comment
  LA206687  Gilia millefoliata Alice Eastwood; June 1915 sn Sonoma Bodega Point Comment
  UC912342  Gilia millefoliata Charles B. Heiser Jr. 1946-4-14 1734 Sonoma Bodega Head Comment
Read comments
Feb 24 2009
  JEPS86003  Gilia tricolor subsp. tricolor Alice King 1897-5-10 Sonoma Healdsburg Comment
  UC30185  Gilia tricolor subsp. tricolor H. N. Bolander 1864-1 3807 Sonoma Valley of Santa Rosa Creek Comment
  JEPS78761  Githopsis specularioides L. R. Heckard with Michael Morris 1976-4-26 4231 Sonoma n of Guerneville (along n side of Gilman Creek, near road running nw of Vista Point and Redwood Lake (ca 0.75 mi from there)); Armstrong Redwoods State Park, Gilman Creek 182 Comment
  RSA436246  Githopsis specularioides P. H. Raven 1965-5-16 20217 Sonoma Near Frantz District School Comment
  OBI48604  Glebionis segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  UC1784202  Glebionis segetum Ethel Crum 1930-1 737 Sonoma Petaluma Comment
  SD99432  Glinus lotoides Peter Rubtzoff 1969-8-24 6146 Sonoma Pond on River Road, 3.0 miles west of Fulton. Comment
  UCR282047  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5379 Sonoma Coleman Marsh 269 Comment
  CAS-BOT-BC290690  Gnaphalium Peter Rubtzoff 1987-10-17 9875 Sonoma Russian River ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC303863  Gnaphalium Peter Rubtzoff 1971-9-3 6697 Sonoma Spring Creek Reservoir Area Comment
  RSA94012  Gnaphalium chilense Peter Rubtzoff 1951-8-19 654 Sonoma Near the creek, just north of the Lower Marsh Comment
  CAS-BOT-BC164669  Gnaphalium purpureum Peter Rubtzoff 1960-5-22 4413 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  SEINET7098052  Gnaphalium purpureum A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point 38?_39'17" N, 123?_24'25" W. UTM Zone 10, 464591mE, 4278330mN. Comment
  UC429316  Goodyera oblongifolia Franklin P. Nutting Sonoma Taylor Creek; Western Middle California, Taylor Creek Comment
  UCD84290  Gratiola ebracteata Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC235485  Gratiola heterosepala Greg de Nevers 1994-6-12 10525 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 457 Comment
  RSA785749  Grindelia Peter Rubtzoff 1963-7-14 5205 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC305176  Grindelia hirsutula John Thomas Howell 1930-6-8 5223 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CAS-BOT-BC305178  Grindelia hirsutula John Thomas Howell 1930-6-8 5294 Sonoma 4 miles n. of Bodega Bay Comment
  CAS-BOT-BC305179  Grindelia hirsutula John Thomas Howell 1938-7-3 13946 Sonoma Stony Point Comment
  CAS-BOT-BC305195  Grindelia hirsutula G. DeNevers 1981-5-23 1286 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  UC87905  Grindelia hirsutula J. W. Congdon April 1880 Sonoma Petaluma Comment
  CAS-BOT-BC305191  Grindelia hirsutula Catherine Best 1981-10-18 s.n. Sonoma On the Coleman Valley Road about 7 mi West of Occidental Comment
  SD39802  Grindelia stricta var. platyphylla Edith A. Purer 1932-7-21 4041 Sonoma Bodega Bay Comment
  JEPS40061  Harmonia nutans R. Kuhn 1914-10-5 Sonoma Sonoma Comment
  CDA37137  Hedera helix Chris Heintzelman 2012-4-13 PDR# 1596521 Sonoma Salt Point, approx. 1/2 mile north of Fisk Mill Cove, along Hwy 1. 0 Comment
  CDA34787  Hedera helix Peter Warner 2010-2-28 109 Sonoma Sweetwater Springs Rd., 4.7 mi. W of Westside Rd.; in redwood stand immediately along S road edge. Comment
  UCD132686  Helenium autumnale Mary M. Hektner 1974-7-6 133 -A Sonoma Unit 35-B Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC1032155  Helenium bigelovii H. S. Yates 1936-5-16 5598 Sonoma 2 mi se Forestville (Pittsin Marsh <from dip>); Sebastopol Quadrangle Comment
  RSA800285  Helenium puberulum Peter Rubtzoff 1970-9-3 6373 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  POM260541  Helenium puberulum Roxana S. Ferris 1937-8-18 9374 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  RSA800289  Helenium puberulum Peter Rubtzoff 1979-8-6 9303 Sonoma Knights Valley, off south side of Bavarian Lion Company ranch road (between it and a creek) 1.25-1.5 mi west of its junction with Franz Valley Road (0.4 mi south of Hwy 128). Comment
  RSA800482  Helenium puberulum Peter Rubtzoff 1962-7-28 5003 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road. Comment
  UCD132752  Helenium puberulum Mary M. Hektner 1975-8-14 225 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET11842951  Helianthella californica F. H. Utech 1986-1 86 -113 Sonoma ca 5 mi NE on Cavedale Road from junction with CA 12 500 Comment
  SEINET11843060  Helianthella californica Unknown 1985-1 RR 50176 Sonoma W of Healdsburg, ridge of W side of Dry Creek Valley, N of Dorman Canyon to Bradford Mt. area 244 Comment
  RSA80308  Helianthemum scoparium var. vulgare Anonymous 1947-5-30 11770 Sonoma Southwest slope of Hood Mt. in chaparral burn Comment
  JEPS67991  Heliotropium curassavicum Milo S. Baker 1923-8-26 440 Sonoma Russian R. bed near Geyserville; Russian R. Comment
  UCD160867  Hemizonella minima James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3419 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCR255883  Hemizonia Greg de Nevers 1996-11-10 10892 Sonoma Just north of Hwy 37, opposite Port Sonoma, Lower Ranch 1 Comment
  CAS-BOT-BC258906  Hemizonia Peter Rubtzoff 1961-8-24 4703 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC262975  Hemizonia Peter Rubtzoff 1954-8-3 1646 Sonoma Bodega Head Marsh. Comment
  RSA800069  Hemizonia Peter Rubtzoff 1973-9-9 7306 Sonoma Kenwood Marsh. Comment
  RSA800288  Hemizonia Peter Rubtzoff 1962-10-9 5115 Sonoma Lower Salmon Creek Marsh. Comment
  UCD166299  Hemizonia Peter Rubtzoff 1966-6-5 5753 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UCD166410  Hemizonia Peter Rubtzoff 1957-8-17 3520 Sonoma Occidental Marsh. 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
  CAS-BOT-BC306163  Hemizonia congesta subsp. clevelandii Lewis S. Rose 1935-9-11 35622 Sonoma 2 mi. N. of Healdsburg 39 Comment
  UCSC000757  Hemizonia congesta subsp. clevelandii M. Alice King October 1896 s.n. Sonoma near Healdsburg Comment
  CAS-BOT-BC306156  Hemizonia congesta subsp. clevelandii James I. McMurphy 1917-9-15 s.n. Sonoma Litton station, between Healdsburg and Cloverdale Comment
  CAS-BOT-BC306158  Hemizonia congesta subsp. clevelandii James I. McMurphy 1909-8-9 709 Sonoma One mile south of Sonoma Comment
  CAS-BOT-BC306159  Hemizonia congesta subsp. clevelandii James McMurphy 1908-9-26 s.n. Sonoma Foothills E. of Fulton Comment
  CAS-BOT-BC306160  Hemizonia congesta subsp. clevelandii James McMurphy 1908-9-27 s.n. Sonoma Between Fulton and Sebastopol Comment
  CAS-BOT-BC306214  Hemizonia congesta subsp. congesta H. M. Hall 1916-6-23 10241 Sonoma Twelve km. northwest of Petaluma Comment
  CAS-BOT-BC309691  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station, between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC309716  Hemizonia congesta subsp. lutescens John Thomas Howell 1930-7-27 5411 Sonoma 4 miles north of Bodega Bay Comment
  JEPS119475  Hemizonia congesta subsp. lutescens Ann Howald 2011-8-30 2808 Sonoma North Coast Ranges: eastern Petaluma Valley, Manor Lane, 0.5 mi north of intersection with Old Adobe Road. Comment
  UC1299266  Hemizonia congesta subsp. lutescens Freed W. Hoffman 1947-9-5 1384 Sonoma Dutch Bill Creek Comment
  UC990585  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-5-28 Sonoma 1 mi w Santa Rosa Comment
  CAS-BOT-BC309676  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-10 717 -C Sonoma About a mile west of Santa Rosa on road to Fulton Comment
  CAS-BOT-BC309678  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 714 Sonoma On road to Petaluma, 4-1/2 miles south of Santa Rosa Comment
  CAS-BOT-BC309679  Hemizonia congesta subsp. lutescens H. M. Hall 1930-10-4 12950 Sonoma South of Petaluma Comment
  CAS-BOT-BC309695  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-10 717 Sonoma About a mi. W of Santa Rosa on road to Fulton Comment
  CAS-BOT-BC309704  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-23 10243 Sonoma 7 1/2 mi. n.w. of Petaluma Comment
  CAS-BOT-BC309718  Hemizonia congesta subsp. lutescens H. D. Ripley; R. C. Barneby 1945-6-22 6943 Sonoma North of Jenner 30 Comment
  CAS-BOT-BC309719  Hemizonia congesta subsp. lutescens H. M. Hall 1931-5-28 13104 Sonoma Bodega Bay Comment
  CAS-BOT-BC309731  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-5-28 s.n. Sonoma About 1 mile west of Santa Rosa Comment
  UC197516  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-23 10246 b Sonoma 14 mi nw Petaluma (2 mi e of Tocaloma) Comment
  CAS-BOT-BC309947  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1966-7-17 9916 Sonoma Sausal Creek north of Alexander Valley Comment
  CAS-BOT-BC309952  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-5-29 s.n. Sonoma Summit between Geyserville and the Geysers Comment
  UC295870  Hemizonia congesta subsp. luzulifolia H. M. Hall 1924-8-13 12100 Sonoma n of Healdsburg Comment
  RSA503982  Hemizonia lutescens B. G. Baldwin 1986-10-29 645 Sonoma 0.3 mile S of junction with California State Hwy 116 along Lakeville Road. Comment
  RSA81662  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1910-6-8 s,n, Sonoma Valley across hills from Petaluma. Comment
  UC174206  Heracleum lanatum Katharine Brandegee June, 1905 Sonoma Bodega Comment
  CAS-BOT-BC310186  Hesperevax sparsiflora var. brevifolia John H. Thomas 1976-6-15 18266 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  HSC92191  Hesperocyparis goveniana A. T. Austin 1990-12-17 Sonoma Salt Point State Park Comment
Read comments
Jul 25 2018
  CDA13135  Hesperolinon spergulinum G. F. Hrusa, R. Gross 1996-6-3 13070 Sonoma North Coast Biodiversity Arena; Ida Clayton Rd., NW side Mt. St. Helena. Comment
  UC1212386  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-17 4125 Sonoma ca 1 mi beyond origin of Pine Flat road in Alexander Valley (slopes of Saysal Creek canyon); Inner North Coast Ranges, Mayacamas Range, Saysal Creek 182 Comment
  UC1212391  Hesperolinon spergulinum Helen K. Sharsmith 1952-7-23 4168 Sonoma 1.1 mi ne Skaggs Springs; Inner North Coast Ranges 106 Comment
  UC1212400  Hesperolinon spergulinum Milo S. Baker 1946-7-4 11525 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  CAS-BOT-BC149832  Heteromeles arbutifolia Peter Rubtzoff 1952-6-15 1268 Sonoma Fitch Mtn. Grove, near Healdsburg Comment
  SEINET11908933  Heteromeles arbutifolia W. Knight, Knight, I. 1981-1 3965 Sonoma 2.3 mi up Cavedale Rd. from jct of State Rt. #12 Comment
  CAS-BOT-BC311020  Heterotheca oregona G. DeNevers 1981-9-12 1848 Sonoma Pepperwood Ranch. In Mark West Creek, at its confluence with Leslie Creek Comment
  JEPS81179  Heterotheca oregona var. oregona Edward Lee with W. A. Setchell 1936-6-5 2172 Sonoma Bohemian Grove Comment
  CDA7880  Heterotheca oregona var. rudis T. R. Haig 1959-11-4 Sonoma 5 miles north of Cloverdale. 0 Comment
  CAS-BOT-BC319704  Hieracium albiflorum D. E. Breedlove 1980-6-28 44817 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD164989  Hoita macrostachya Peter Rubtzoff; Nancy Harrison 1974-8-31 7857 Sonoma Pressley Road, 0.25 miles south of junction with Sonoma Mountain Road (2.7 miles north of Lichau Road junction). Comment
  CDA27097  Hoita orbicularis D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  JEPS71229  Holcus lanatus Virginia Bufford 1932-8-27 504 Sonoma near Occidental; near Occidental Comment
  UC1011008  Holcus lanatus Virginia Bufford 1936-5-22 407 Sonoma Highway 1 - 4 mi s Stewarts Point; s of Stewarts Point Comment
  UC573681  Holcus lanatus H. S. Yates 1936-5-16 5595 Sonoma 2 mi se Forestville (<Pitkin Marsh>); Sebastopol Quad. Comment
  UCD84980  Holcus lanatus H. S. Yates 1936-5-16 5595 Sonoma 2 miles SE of Forestville. 30 Comment
  UC990598  Holocarpha virgata subsp. virgata James I. McMurphy 1906-7-17 Sonoma Fulton Comment
  UCD158726  Holodiscus discolor var. discolor Teresa A. Sholars 1976-9-9 s.n. Sonoma Mayacmas Mtns.Along Big Sulpher Creek. Ca.1.5 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 792 Comment
  CAS-BOT-BC315808  Holozonia filipes Greg de Nevers 1996-7-2 10854 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC315814  Holozonia filipes A. A. Heller 1902-7-1 5800 Sonoma Lagoon at Sebastopol Comment
  UCR279627  Holozonia filipes Peter Rubtzoff 1961-7-22 4661 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 363 Comment
  CAS-BOT-BC315806  Holozonia filipes H. M. Hall 1931-5-26 13083 Sonoma Boyes Spring Comment
  CAS-BOT-BC315809  Holozonia filipes Catherine Best 1980-4-16 s.n. Sonoma Westerbeke Ranch west of El Verano on Grove St. Comment
  SEINET10933146  Hookera terrestris A. Arthur Heller 1940-5-10 Heller 15602 Sonoma Scattered plants on a grassy slope near the Ocean between Fort Rosa and Stewart's Point. Humid Transition Life Zone. Comment
  UCD85388  Hordeum brachyantherum P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC289282  Hordeum brachyantherum subsp. brachyantherum David L. Morgan 1956-5-13 s.n. Sonoma On Watmaugh Road, 1/2 mi. W. of junciton of Arnold Drive Comment
  CAS-BOT-BC289290  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1963-6-5 5154 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC289293  Hordeum brachyantherum subsp. brachyantherum Barrett Anderson 1987-4-27 3464 Sonoma Petaluma, south of El Rose and west of D Street 120 Comment
  UCD21129  Hordeum brachyantherum subsp. brachyantherum Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 304 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  CAS-BOT-BC289540  Hordeum brachyantherum subsp. californicum Roxana S. Ferris; Laura Lorraine 1961-6-14 13545 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UCD85911  Hordeum marinum subsp. gussoneanum H. S. Yates 1937-5-30 6548 Sonoma 4 miles NW of Graton. 91 Comment
  SEINET11688011  Hordeum marinum subsp. gussoneanum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -193 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  SEINET10595770  Hordeum murinum A. Arthur Heller 1902-4-11 Heller 5278 Sonoma Bodega Bay in sand. Comment
  RSA128787  Hordeum murinum subsp. glaucum P. H. Raven 1950-4-6 1561 Sonoma Cotati to Santa Rosa. 30 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
  UCD86247  Hordeum murinum subsp. leporinum Gerry North 1993-4 2 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At Goodspeed trailhead pullout. On bank edge above Sonoma Creek. 213 Comment
  CAS-BOT-BC273541  Hordeum vulgare Peter H. Raven 1950-4-6 1556 Sonoma Cotati, Sonoma Co. to Santa Rosa 45 Comment
  UC116850  Horkelia californica Alice Eastwood 1900-7-4 Sonoma Bodega Bay Comment
  CDA18032  Horkelia californica subsp. dissita R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena spring, on north side of Mtn. 0 Comment
  UC1299116  Horkelia tenuiloba Freed W. Hoffman 1950-5-27 3593 Sonoma Fred McMurry Ranch on Healdsburg-Guerneville Hwy North Coast Ranges Comment
  SD186197  Hosackia gracilis G. F. Pratt, C. Pierce 2003-5-15 Sonoma Salt Point State Park. 29 Comment
  CAS-BOT-BC400995  Hypericum anagalloides Peter Rubtzoff 1951-7-1 329 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC401002  Hypericum anagalloides Peter Rubtzoff 1961-10-18 4764 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC410825  Hypericum concinnum D. E. Breedlove 1980-6-28 44803 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CDA31270  Hypericum concinnum D. G. Kelch, Ed Biffin 2010-5-3 10 .191 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  JEPS78829  Hypericum concinnum Edward Lee 1936-6-7 2195 Sonoma fire trail s. ridge Bohemian Grove Comment
  UC1084463  Hypericum concinnum G. Thomas Robbins 1937-6-5 227 Sonoma roadside near Graton (Vine Hill region); Vine Hill region Comment
  CAS-BOT-BC410821  Hypericum concinnum Peter Rubtzoff 1952-6-1 1137 Sonoma Petrified Forest, 5 mi. W of Calistoga Comment
  SEINET11991018  Hypericum concinnum W. Knight, Knight, I.; Raiche, R.; Edwards, S. 4761 Sonoma The Cedars, near Cazadero on Twitchell Ranch Comment
  JEPS36533  Hypochaeris glabra M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma Guerneville; Russian River Comment
  UCD133333  Hypochaeris glabra Mary M. Hektner 1976-5-10 254 Sonoma above beach near the Sea Ranch Association Office; Unit 36 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC316710  Hypochaeris radicata Greg de Nevers 1981-5-23 1302 Sonoma Top of Devils Kitchen Hill, Pepperwood Ranch Comment
  CAS-BOT-BC316713  Hypochaeris radicata W. R. Dudley 1896-9-20 s.n. Sonoma Tomales Point Comment
  POM361228  Hypochaeris radicata Christopher Davidson 1977-6-17 5885 Sonoma Coast Hwy 1, ca. 3 miles N of Jenner. Comment
  HSC100875  Ilex aquifolium Peter Warner 2011-4-6 185 Sonoma Pitkin Marsh, lower, ~752 m N2 deg. E from junction of Hwy. 116 and Guerneville Rd., S of main stream channel, 30 m N of south boundary fence, along-foot trail. 37 Comment
  CAS-BOT-BC257366  Iris Peter Rubtzoff 1964-6-3 5343 Sonoma Bodega Bay Marsh. Comment
  UCD138709  Iris douglasiana R. H. Miller 1949-4-6 15 Sonoma along coast Highway 1, about 5 miles south of Jenner/ Comment
  JEPS17338  Iris fernaldii W. L. Jepson 1893-4-25 Sonoma w of St. Helena (Caux's Knob); Hoods Peak Range, Caux's Knob Comment
  RSA48719  Iris fernaldii Lee W. Lenz 1949-5-3 14426 Sonoma About 1 mile from Petrified Forest on road to Calistoga. 610 Comment
  RSA48723  Iris fernaldii Lee W. Lenz 1949-5-2 14427 Sonoma Santa Rosa - Calistoga Road, 0.5 mile from junction with road to Mark West Springs 610 Comment
  CDA131  Iris macrosiphon D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .28 Sonoma Cavedale Rd. Comment
  UCD55146  Iris macrosiphon Ellen Dean; Tammie Beyerl 2006-4-28 3028 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 254 Comment
  UCD166139  Isoetes Peter Rubtzoff 1969-5-24 6058 Sonoma Vernal pool area, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  UC810503  Isoetes howellii John Thomas Howell 1937-6-6 13015 Sonoma Sebastopol Comment
  CAS-BOT-BC61926  Isoetes nuttallii Peter Rubtzoff 1951-6-7 138 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC61924  Isoetes nuttallii Peter Rubtzoff 1963-5-26 5141 Sonoma Bennett Mtn. Lake Comment
  SD134069  Isolepis carinata Peter Rubtzoff 1963-5-26 5140 Sonoma Bennett Mountain Lake, vernally wet, partially shaded ground. Comment
  RSA790896  Juncus Peter Rubtzoff 1968-6-25 5903 Sonoma Lichan Marsh. Comment
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Apr 16 2014
  CAS-BOT-BC164383  Juncus balticus subsp. ater Peter Rubtzoff 1970-5-16 6225 Sonoma Sonoma: Five miles north of Sears Point Comment
  POM111209  Juncus bolanderi Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  UCD141376  Juncus bufonius Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-21 50 A Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA94088  Juncus dubius J. T. Howell 1945-7-18 21326 Sonoma Pitkin Marsh Comment
  RSA94455  Juncus dubius Peter Rubtzoff 1951-7-7 356 Sonoma Pitkin Marsh, near Forestville; Western branch of the upper marsh. Comment
  RSA790718  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5902 Sonoma Lichan Marsh. Comment
Read comments
Apr 16 2014
  CAS-BOT-BC173632  Juncus hemiendytus var. hemiendytus Peter Rubtzoff 1972-4-23 6733 Sonoma Vernal pool, 4.25 mi. W of Glen Ellen on Bennett Valley Road Comment
  UCD141547  Juncus hesperius Mary M. Hektner; Sue Dakizaku 1974-6-3 015 -A Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD167419  Juncus hesperius Peter Rubtzoff 1964-8-3 1634 Sonoma Lower Salmon Creek Marsh. Comment
  RSA0031401  Juncus lescurii Peter Rubtzoff 1962-10-9 5117 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC210118  Juncus occidentalis Peter Rubtzoff 1974-6-2 7523 Sonoma Upper Green Valley Marsh Comment
  JEPS67108  Juncus occidentalis W. L. Jepson 1921-6-2 9299 Sonoma w of Windsor Comment
  UCD165134  Juncus occidentalis Peter Rubtzoff 1974-5-18 7413 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA94319  Juncus orthophyllus Peter Rubtzoff 1951-8-18 623 Sonoma Pitkin Marsh, near Forestville. Western branch of the upper marsh. Comment
  UCD141757  Juncus patens Frederica Bowcutt 1996-5-19 2153 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 1 air mile south of Red Mountain. Near trailhead for Lower Bald Mountain. Above Group campground. 472 Comment
  UCD164994  Juncus xiphioides Peter Rubtzoff; Nancy Harrison 1974-9-7 7871 Sonoma Hinebaugh Creek in Rohnert Park. Creek bed, west of Commerce Blvd. crossing. Comment
  CAS-BOT-BC419699  Kickxia Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7806 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC340657  Lactuca serriola Walter Knight; Irja Knight 1963-10-6 489 Sonoma Skillman Lane, Petaluma Comment
  CAS-BOT-BC341707  Lagophylla ramosissima John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53963 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  RSA783730  Lagophylla ramosissima Peter Rubtzoff 1975-8-26 8359 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC274317  Lagurus ovatus Catherine Best 1984-6-11 973 B Sonoma At Goat Rock Park Comment
  UCD63259  Lagurus ovatus Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 28 A Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. 30 Comment
  CAS-BOT-BC164406  Lamiaceae Peter Rubtzoff 1954-8-4 1648 Sonoma Guerneville Marsh. Comment
  UC30450  Lasthenia californica H. N. Bolander 1864-1 3846 Sonoma Mark West Comment
  RSA585970  Lasthenia californica Adree M. Desrochers 1988-4-30 335 Sonoma Salt Point State Park, Stump Beach. Comment
  UC90040  Lasthenia glaberrima Katharine Brandegee 1905-6-8 Sonoma between Santa Rosa Sevastopol Comment
  CAS-BOT-BC355532  Lasthenia glaberrima Peter Rubtzoff 1969-5-24 6054 Sonoma 6.5 mi. NE of Penngrove, on Lichan Road 426 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
  UC353930  Lasthenia minor Milo S. Baker 1928-4-14 2984 Sonoma 1.5 mi n of Bay Comment
  UC726106  Lasthenia minor A. A. Heller 1940-5-17 15628 Sonoma n of the town of Bay; Bodega Bay Comment
  CAS-BOT-BC164646  Lathyrus Peter Rubtzoff 1971-5-30 6467 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD166083  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
  UCD106203  Lathyrus cicera Botany 102 Students 1993-4-17 42 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, and 18 air miles NW of Napa. About 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge. SE of Red Mountain about 1 air mile. Near group campground. 365 Comment
  SJSU8331  Lathyrus torreyi G. J. Woodside 1969-4-29 Sonoma Dutton Bill Cr, 4 mi above Camp Meeker Comment
  NY15643  Lathyrus venosus var. californicus J. Torrey 1865-1 Sonoma Sonoma Valley Comment
  RSA177993  Lathyrus vestitus subsp. bolanderi Robert F. Thorne 1965-4-19 34300 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  CDA27145  Lathyrus vestitus var. ochropetalus G. D. Barbe 1982-5-27 3622 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 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
  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-BC323235  Layia chrysanthemoides H. M. Hall 1931-5-26 13081 Sonoma El Verano. Comment
  CAS-BOT-BC323252  Layia chrysanthemoides John Thomas Howell 1931-4-2 6048 Sonoma Boyes Springs Comment
  UC1537075  Layia chrysanthemoides Gordon H. True Jr. 1938-4-13 862 Sonoma near Sonoma 60 Comment
  CAS-BOT-BC323231  Layia chrysanthemoides David D. Keck 1933-5-28 2319 Sonoma 2 miles N of Sears Point Comment
  CAS-BOT-BC379624  Layia platyglossa Alice Eastwood 1915-6-29 4836 Sonoma Bodega Point Comment
  RSA245535  Layia platyglossa Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1101 Sonoma Fort Ross State Park. Comment
  POM53343  Layia platyglossa subsp. campestris H. E. Brown, A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood. Comment
  CAS-BOT-BC183607  Leersia Peter Rubtzoff 1965-10-17 5660 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  RSA0034026  Leersia Peter Rubtzoff 1987-9-27 9851 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  UCD166258  Lemna Peter Rubtzoff 1970-8-18 6315 Sonoma 5 miles north of Sears Point. 11 Comment
  CAS-BOT-BC210104  Lemna Peter Rubtzoff; Betty Lovell 1975-8-11 8312 Sonoma Kenwood Marsh. Comment
  UCD148504  Lemna Peter Rubtzoff 1965-11-9 5668 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  UCD166221  Lemna Peter Rubtzoff 1970-5-30 6253 Sonoma 5 miles north of Sears Point. Comment
  RSA785222  Lemna gibba Peter Rubtzoff 1969-7-13 6111 Sonoma Pond 5.25 mi NE of Penngrove near Lichan Road. Comment
  UCR256957  Lemna minor Peter Rubtzoff 1954-8-13 1710 Sonoma Bodega Head Marsh 2 Comment
  RSA0028899  Lemna minor Peter Rubtzoff 1961-6-23 4655 Sonoma Bennett Mountain Lake 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-BC527287  Lemna minuta Peter Rubtzoff 1951-7-8 385 Sonoma Lower part of teh Upper Marsh, Pitkin Marsh near Forestville Comment
  UCR256276  Lemna valdiviana Peter Rubtzoff 1961-8-24 4710 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River 3 Comment
  CAS-BOT-BC173651  Lepidium Peter Rubtzoff 1964-6-24 5377 Sonoma Coleman Marsh, along Salmon Creek Comment
  UCD167420  Lepidium didymum Peter Rubtzoff 1958-8-9 3840 Sonoma Laguna de Santa Rosa N of Sebastopol (nr. Occidental Rd.) 20 Comment
  UCD115699  Lepidium latifolium John Thomas Howell 1966-6-2 41550 Sonoma South of Schellville near Black Pt. road. Comment
  UC517474  Lepidium oxycarpum John Thomas Howell 1933-4-1 10924 Sonoma Petaluma Comment
  UC10632  Lepidium virginicum Alice King Sep 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC376343  Leptosiphon ciliatus Greg de Nevers 1998-6-20 11292 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Rogers Apple Orchard. 400 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
  JEPS88031  Lessingia arachnoidea S. Markos 1996-6-29 114 Sonoma 2 mi N of on Bohemian Hwy Camp Meeker Comment
  CAS-BOT-BC324190  Lessingia hololeuca J. W. Compton 1880-9-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC324193  Lessingia hololeuca John Thomas Howell 1931-9-26 8090 Sonoma 2 miles from Monte Rio on road to Camp Meeker Comment
  CAS-BOT-BC123031  Lessingia ramulosa Amos Arthur Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  CDA36347  Leymus triticoides M. Lennox & D. Curle 2011-12-7 PDR# 1465998 Sonoma Petaluma. 0 Comment
  CAS-BOT-BC451710  Lilaea scilloides Peter Rubtzoff 1958-4-26 3591 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC451713  Lilaea scilloides Peter Rubtzoff 1962-6-8 4879 Sonoma Bennett Mtn. Lake. Comment
  SEINET11763375  Lilaea scilloides Michener, Bioletti 1892-1 s.n. Sonoma Shellville Comment
  CAS-BOT-BC130691  Lilium occidentale Peter Rubtzoff 1951-7-28 567 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC130695  Lilium occidentale Peter Rubtzoff 1951-8-18 633 Sonoma Western branch of the Upper Marsh Comment
  UC496430  Lilium rubescens Merle Randall 1930-6-11 Sonoma 2 mi from Cazadero (Christopher Ranch) 304 Comment
  OBI12586  Limnanthes douglasii Robert F. Hoover 1939-4-18 4050 Sonoma Los Guilicos Valley Comment
  RSA215939  Limnanthes douglasii subsp. douglasii Peter Rubtzoff 1966-4-30 5684 Sonoma North side of Highway 116, 0.5 mile northwest of Stony Point Road crossing. Comment
  SEINET6670470  Limnanthes douglasii subsp. douglasii C. T. Mason 1949-4-11 1249 Sonoma West side of highway 37, 2.4 miles north of junction of state highway 37 and 48, Sears Point. Comment
  JEPS102970  Limnanthes vinculans Ann Howald 1994-4-19 1809 Sonoma Knights Valley, Bavarian Lion Ranch Comment
  CAS-BOT-BC45943  Limnanthes vinculans Peter Rubtzoff 1969-5-3 6026 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC258914  Limosella Peter Rubtzoff 1970-5-16 6220 Sonoma 5 miles north of Sears Point. Comment
  UCD166255  Limosella acaulis Peter Rubtzoff 1970-8-18 6310 Sonoma 5 miles north of Sears Point. 11 Comment
  UCR279882  Limosella acaulis Peter Rubtzoff 1964-8-20 5469 Sonoma 1 mile southeast of Jenner; near crossing of Hwys 1 & 12 4 Comment
  UC126422  Linanthus dichotomus Katharine Brandegee Jun 1889 Sonoma Mt. St. Helena Comment
  UC353897  Linanthus jepsonii Milo S. Baker 1928-5-7 2144 b Sonoma opposite Maple Glen Comment
  CAS-BOT-BC311811  Linaria Peter Rubtzoff 1962-5-25 4833 Sonoma Laguna de Santa Rosa area northwest of Graton, east of Laguna Road. Comment
  UCD110565  Linum bienne Chris Bowen 1974-6-1 141 Sonoma Near Pacific Reach, Unit 24, Sea Ranch, near State Highway 1. Comment
  UCD37352  Linum bienne Beecher Crampton 1959-6-16 5390 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  UCD110609  Linum usitatissimum P. B. Kennedy 1929-5-25 s.n. Sonoma Frick ranch, Del Mar, near Gualala. Comment
  CAS-BOT-BC430585  Lithophragma affine G. DeNevers 1981-4-11 697 Sonoma Pepperwood Ranch 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
  UC1093939  Logfia filaginoides Herbert L. Mason 1947-5-4 13211 Sonoma near Kenwood (burned area of Hood Mountain); Hood Mountain Comment
  UC581117  Logfia filaginoides H. L. Mason 1934-4-28 8062 Sonoma near Kenwood Springs (Baker's Ranch) Comment
  CAS-BOT-BC342495  Logfia gallica F. Almeda; G. DeNevers 1981-4-28 4915 Sonoma Pepperwood Ranch. Vicinity of the Bechtel cabin Comment
  UCD167965  Logfia gallica James Neilson 1977-6-12 3920 Sonoma Mayacmas Mountains, McMicking Ranch, well site 2. (McMicking Ranch is also known as Santa Angelina Ranch and is in the vicinity of Knights Valley and Coon Creek.) Comment
  UC573663  Lolium temulentum H. S. Yates 1937-5-31 6560 Sonoma 1 1/2 mi wnw Mark West Springs; Calistoga Quadrangle Comment
  SEINET10592055  Lolium temulentum A. Arthur Heller 1902-6-10 Heller 5679 Sonoma Santa Rose. Comment
  UCD167355  Lomatium californicum James Neilson 1981-5-28 4036 Sonoma Mayacmas Mountains. The Geysers. Vicinity of PG and E lookout. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET8465350 Image available Lomatium californicum F. Almeda, G. DeNevers 1981-4-28 4907 Sonoma Approximately 5 mi from main gate to Pepperwood Ranch Natural Preserve just off Franz Valley Rd. Comment
  CHSC114316  Lomatium dasycarpum D. G. Kelch; A. G. Murdock, Ben Carter 2007-5-13 07 .271 Sonoma Cavedale Rd. 518 Comment
  SEINET12121702  Lomatium dasycarpum W. Knight, Knight, I.; Edwards, S. 1986-1 5371 Sonoma along trail to summit of Geyer Peak, access from Healdsburg-Geysers Rd 856 Comment
  RSA0051266  Lomatium hallii Greg de Nevers 1993-5-10 10443 Sonoma Harrison Grade. 182 Comment
  UC1123059  Lomatium utriculatum H. S. Yates 1934-4-21 3794 Sonoma near Bodgea; Sebastopol Quad. Comment
  UC923165  Lomatium vaginatum Freed W. Hoffman 1950-5-24 3282 Sonoma The Island, Devil Creek, a tributary of East Austin Crek North Coast Range, Devil Creek Comment
  CAS-BOT-BC540801  Lonicera Peter Rubtzoff 1962-4-11 4787 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC240641  Lonicera hispidula Greg de Nevers 1987-7-10 8235 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC240645  Lonicera hispidula Walter Knight; Irja Knight 1963-9-15 294 Sonoma Los Alamos Rd., Santa Rosa Comment
  UCD160831  Lonicera interrupta James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3365 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  SEINET12327831  Lonicera ledebourii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -148 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  CAS-BOT-BC200972  Lotus Peter Rubtzoff 1983-8-28 9681 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  CAS-BOT-BC290638  Lotus Peter Rubtzoff 1974-6-2 7503 Sonoma Upper Green Valley Marsh. Comment
  UC1321326  Lotus R. F. Hoover 1964-9-8 9288 Sonoma Timber Cove Comment
  RSA0020334  Lotus Peter Rubtzoff 1971-5-8 6452 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  UC604131  Lotus angustissimus Milo S. Baker 1938-8-15 9229 Sonoma just beyong Wrights Beach (Coast Highway) Comment
  UCD106699  Lotus angustissimus Beecher Crampton 1955-6-17 2967 Sonoma State Hwy 1, Fort Ross. Comment
  POM18310  Lotus benthamii A. A. Heller 1903-4-25 7458 Sonoma Fort Ross Comment
  SEINET7075495  Lotus humistratus A. G. Vestal 1955-5-8 s.n. Sonoma Valley of the Moon south of Kenwood. 38? deg. 23' 26" North Latitude, -122? deg. 31' 35" West Longitude. UTM Zone 10, 541365mE, 4249039mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  UC192623  Lotus humistratus Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  UC1277995  Lotus junceus var. biolettii B. Crampton 1957-7-22 4370 Sonoma 0.9 mi s of Stewart's Point (along State Highway 1); State Highway 1 Comment
  UC353803  Lotus oblongifolius var. oblongifolius Milo S. Baker 1928-4-28 3008 a Sonoma Pitkin Swamp Comment
  UC454673  Lotus oblongifolius var. oblongifolius I. J. Condit 1908-8-14 Sonoma Sebastopol Comment
  SEINET3523773 Image available Lotus purshianus Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-7 15122 Sonoma Roadside, 2 miles N of Kellogg Comment
  UC726035  Lotus purshianus var. purshianus A. A. Heller 1938-8-11 15321 Sonoma Knights Valley Comment
  HSC49288  Lotus scoparius J. P. Smith, J. O. Sawyer 1977-6-5 2878 Sonoma Along Arnold Rd. at jct. with State Route 12. Comment
  RSA138211  Lotus unifoliolatus Volney Rattan 1877-1 s.n. Sonoma Santa Rosa Comment
  UC15702  Lotus wrangelianus Harley P. Chandler 1900-5-25 719 Sonoma Bodega Bay Comment
  UCD65848  Ludwigia hexapetala B. J. Grewell 2006-8-23 06- 49 -LU Sonoma Russian River watershed, Russian River at Washington School Road summer water crossing, Asti. Collection downstream of low water bridge, east bank. 69 Comment
  RSA800588  Ludwigia palustris Peter Rubtzoff 1958-8-9 3858 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  RSA800129  Ludwigia palustris var. pacifica Peter Rubtzoff 1954-6-7 1486 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC173514  Ludwigia peploides Peter Rubtzoff 1955-7-9 1937 Sonoma Forestville Marsh Comment
  CAS-BOT-BC164056  Ludwigia peploides Peter Rubtzoff 1956-9-15 2911 Sonoma Atascadero Creek Marsh Comment
  UC423055  Ludwigia peploides subsp. peploides Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  SEINET7067330 Image available Lupinus A. G. Vestal 1947-5-16 s.n. Sonoma About 8.2 miles East of Windsor on Mendocino Avenue [in Santa Rosa]. Coordinate datum: NAD27. UTM Zone 10, 524713mE, 4255867mN. Comment
  CAS-BOT-BC201291  Lupinus Charles Piper Smith 1947-6-25 47572 Sonoma Highway 1, Stewarts Point, 7.6 miles south Comment
  CAS-BOT-BC201295  Lupinus Charles Piper Smith 1946-4-26 46233 Sonoma Highway 1 at Coast Russian River Bridge Comment
  SEINET10488426  Lupinus albifrons Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-8 Conrad 7077 Sonoma Roadside along hwy 1, 3.4 miles n of jenner 91 Comment
  UC127022  Lupinus albifrons F. T. Bioletti 1894-1 Sonoma near Hood's Peak; near Hood's Peak Comment
  UC864980  Lupinus albifrons Alice Eastwood 1918-5-1 6829 Sonoma Mt. St. Helena Comment
  UC905105  Lupinus albifrons Milo S. Baker 1947-4-16 11686 Sonoma cliffs at junction of Mark West Road and one from Rincon Summit; cliffs at jct of Mark West Rd and one fr Rincon Summit Comment
  UC130309  Lupinus arboreus J. Burtt Davy 1896-3-13 1646 Sonoma Duncan's Mills Comment
  UC82055  Lupinus arboreus Michener and Bioletti May 1894 Sonoma Bodega Bay Comment
  UC796636  Lupinus bicolor Ira L. Wiggins 1949-4-30 12066 Sonoma 4 mi w Calistoga (just w of the county line); w of Calistoga Comment
  UCR248903  Lupinus bicolor Peter Rubtzoff 1969-5-11 6043 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  HSC14957  Lupinus bicolor S. N. Wiemeyer 1962-4-13 12 Sonoma 2.1 mi. N of Jct. of Calistoga Rd. and Hwy. 12 274 Comment
  SD39044  Lupinus chamissonis Edith A. Purer 1932-7-21 4038 Sonoma Bodega Bay Comment
  SEINET10485253  Lupinus densiflorus var. palustris Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-8 Conrad 7076 Sonoma Roadside along hwy 1, 3.4 mi. N of jenner. 91 Comment
  SEINET10490797  Lupinus latifolius subsp. latifolius Charles Piper Smith 1948-4-27 Smith 48169 Sonoma Jct melitta - mark west - petrified forest rds. Petrified forest, 2.5 mi. E. Comment
  SEINET10490799  Lupinus latifolius subsp. latifolius Joseph W. Congdon 1880-6-5 Congdon s.n. Sonoma Petaluma. Morphology study voucher. Comment
  UCD108644  Lupinus microcarpus var. densiflorus Eric Davidson 1972-5-27 392 Sonoma near dorm at University of California's Bodega Marine Lab, Bodega Head. Comment
  UC15953  Lupinus microcarpus var. microcarpus Harley P. Chandler 1900-5-25 686 Sonoma Bodega Comment
  UC865334  Lupinus microcarpus var. microcarpus Marcus E. Jones, A. M. 1882-7-17 3329 Sonoma Duncan's Mills Comment
  SEINET7063004 Image available Lupinus nanus A. G. Vestal 1955-5-8 s.n. Sonoma South of Bennett Mountain. UTM Zone 10, 532837mE, 4251642mN. (WGS84/NAD83). 573 Comment
  UCD109252  Lupinus nanus R. Tofsrud 1948-5-1 s.n. Sonoma Cloverdale. Comment
  CDA9233  Lupinus polyphyllus var. polyphyllus D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  NY16021  Lupinus sonomensis A. A. Heller 1940-5-17 15638 Sonoma 2 miles east of Shellville along State Highway #37. Upper Sonoran Life Zone. Comment
  SEINET12165194  Lupinus succulentus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -188 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  UC909758  Lupinus succulentus Milo S. Baker Apr 1950 12159 Sonoma w of Mellita Comment
  JEPS65490  Lupinus tidestromii William S. Cooper 1925-7-25 84 Sonoma Bodega Pt. Comment
  JEPS85895  Lupinus tidestromii Jack and Betty Guggolz 1991-5-27 1153 Sonoma coastal dunes between the mouth of the Russian River and Goat Rock; btw the mouth of the Russian River and Goat Rock 6 Comment
  SEINET11162202  Lupinus tidestromii W. S. Cooper Sonoma Comment
  RSA22011  Lupinus variicolor Alice Eastwood, John T. Howell 1939-4-2 7362 A Sonoma Larkspur Rock Comment
  UC725888  Lupinus variicolor A. A. Heller 1940-5-17 15637 a Sonoma along State Highway #1, 2 mi w Valley Ford; w of Valley Ford Comment
  CAS-BOT-BC210068  Luzula Peter Rubtzoff 1951-9-3 741 Sonoma Guerneville, Vacation Beach, Russian River Comment
  UC1133753  Luzula comosa H. S. Yates 1936-5-16 5591 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  UC727764  Luzula comosa Milo S. Baker 1946-5-13 11390 Sonoma marsh adjoining Pitkin Marsh on n (Vine Hill Region); , Pitkin Marsh on n Comment
  CAS-BOT-BC441297  Luzula macrantha J. W. Congdon 1870-5-21 s.n. Sonoma Petaluma Comment
  RSA0015993  Lythrum hyssopifolia Peter Rubtzoff 1958-7-20 3784 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  RSA0015994  Lythrum hyssopifolia Peter Rubtzoff 1958-7-19 3775 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  RSA785884  Madia Peter Rubtzoff, Nancy Harrison 1974-7-13 7669 Sonoma Upper Green Valley Marsh. Comment
  POM203932  Madia capitata J. T. Howell 1932-9-17 10764 Sonoma Near Kenwood Comment
  CAS-BOT-BC344050  Madia elegans John Thomas Howell 1930-7-13 5341 Sonoma Black Point Road Comment
  CAS-BOT-BC344046  Madia elegans H. D. Geis 1902-8-1 581 Sonoma Sonoma County Fields. Cloverdale Comment
  CAS-BOT-BC344048  Madia elegans Luther Burbank; L. R. Abrams 1907-8-1 s.n. Sonoma Along roadside between Sebastopol & Santa Rosa Comment
  CAS-BOT-BC344049  Madia elegans Helen D. Geis 1902-8-1 581 Sonoma Cloverdale Comment
  HSC100974  Madia elegans Peter Warner 2011-8-10 225 Sonoma Jenner Headlands Property, Upper Russian Gulch Pasture, N of power line overcrossing. 227 Comment
  UC1301040  Madia exigua Helen K. Sharsmith 1963-5-25 5476 Sonoma road from Freestone to Occidental 121 Comment
  CAS-BOT-BC166733  Madia gracilis Peter Rubtzoff 1967-9-2 5876 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC343461  Madia gracilis L. R. Abrams 1916-7-4 5791 Sonoma Road between Petrified Forest and Mark West Comment
  UCR218636  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2010-6-4 16225 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  CAS-BOT-BC343465  Madia gracilis G. DeNevers 1981-5-15 1217 Sonoma Pepperwood Ranch. Near base of Hansel's driveway Comment
  CAS-BOT-BC345223  Madia sativa David D. Keck 1933-11-6 2647 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  UC523533  Madia sativa David D. Keck 1933-11-6 2645 Sonoma on road to Occidental 1 mi n Freestone Comment
  UCD132830  Madia sativa Frederica Bowcutt 1997-7-18 2184 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  CAS-BOT-BC345220  Madia sativa Luther Burbank; L. R. Abrams 1907-8-1 s.n. Sonoma Along roadside between Sebastopol and Santa Rosa Comment
  POM53567  Madia sativa A. A. Heller 1902-8-18 6050 Sonoma Santa Rosa. Comment
  SBBG1060  Maianthemum racemosum H. and M. Dearing 1933-5-16 260 Sonoma Cloverdale, Redwood Hwy Comment
  CAS-BOT-BC511537  Maianthemum racemosum subsp. amplexicaule Mrs. Alexander McCallum 1894-6-1 s.n. Sonoma Glen Blair Comment
  SEINET12051382  Maianthemum racemosum subsp. amplexicaule F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -271 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC347364  Malacothrix floccifera Marcus E. Jones 1931-8-3 29094 Sonoma Cloverdale Comment
  UCD132837  Malacothrix floccifera 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
  POM187938  Malacothrix floccifera Marcus E. Jones 1931-8-3 29094 Sonoma Cloverdale. Comment
  CAS-BOT-BC540133  Malus domestica Peter Rubtzoff 1951-11-24 850 Sonoma Western branch of the Upper Marsh; Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC290639  Malva Peter Rubtzoff 1972-5-25 6754 Sonoma Laguna, Chileno Valley. Comment
  RSA128555  Marah oregana P. H. Raven 1950-4-6 1601 Sonoma Lower slopes of Rincon Ridge. Comment
  UCD106758  Medicago arabica Mary M. Hektner 1976-4-3 230 Sonoma Sea Ranch Association Office, Sea Ranch, near State Highway 1. Comment
  UCD107847  Medicago polymorpha P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC269511  Melica californica G. DeNevers 1981-5-23 1264 Sonoma Pepperwood Ranch. At bottom of Franz Valley Road Comment
  CAS-BOT-BC269515  Melica californica John Thomas Howell 1934-3-26 11791 Sonoma 12 miles from Calistoga on Alexander Valley road Comment
  UCR225456  Melica californica Frederica Bowcutt 1996-5-24 2155 Sonoma Sugarloaf Ridge State Park, c. 50 air mi north of San Francisco and c. 10 air mi east of Santa Rosa; 2.5 air mi northeast of Kenwood and 18 air mi northwest of Napa. Adobe Canyon just north of Sonoma/Rattlesnake Creek confluence on small knoll 372 Comment
  UCD87211  Melica californica R. Tofsrud 1941-4-1 293 Sonoma Pasture hills above Russian Gultch. Comment
  JEPS128380  Melica geyeri Roger Raiche 2000-5-5 086 .00 Sonoma The Cedars. Danfield Creek, Leona's Cabin Site. Gualala River, Wheatfield Fork watershed. Comment
  SEINET197158 Image available Melica geyeri W. S. Boyle 1942-4-26 1075 Sonoma Between Petrified Forest and Mark West Comment
  UC1132265  Melica geyeri H. S. Yates 1937-5-30 6545 Sonoma 3 mi wnw Graton; Sebastopol Quad. 60 Comment
  UCD87313  Melica geyeri Virginia Bufford 1937-5-10 453 Sonoma Top of O'farrell Hill -- West of Sebastopol. 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-BC262554  Melica torreyana G. DeNevers 1981-5-7 1006 Sonoma Pepperwood Ranch. By confluence of Leslie Creek with Mark West Creek Comment
  JEPS128350  Melica torreyana Roger Raiche 2000-4-8 024 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  POM204779  Melica torreyana A. A. Heller 1902-3-27 5160 Sonoma Western base of Mt. Hood. Comment
  RSA74447  Melica torreyana Milo S. Baker 1947-5-30 11777 Sonoma It is located 2 miles NE of Occidental along Harrison Grade. Comment
  UCD88825  Melica torreyana Virginia Bufford 1936-5-1 184 Sonoma Near Monte Rio. Comment
  UCD89115  Melica torreyana Gerry North 1993-4 25 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. First pullout on right after Pony Gate Gulch Creek. 213 Comment
  UCD89212  Melica torreyana M. Wiesendanger 1927-5-5 734 Sonoma Kenwood Springs. Comment
  UCD89204  Melica torreyana R. Tofsrud 1942-4-1 s.n. Sonoma N. of Sonoma. Road to 'Top O'World. Comment
  UCD89206  Melica torreyana R. Tofsrud 1942-4-1 299 Sonoma Wooded hill between S.R. and County farm. Comment
  UCR218736  Melilotus indicus George K. Helmkamp, E. A. Helmkamp 2010-6-4 16223 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  CAS-BOT-BC164085  Mentha Peter Rubtzoff 1966-10-9 5831 Sonoma Brooks Gulch Marsh. Comment
  UCR244669  Mentha Peter Rubtzoff 1960-9-17 4567 Sonoma Laguna de Santa Rosa near Trenton [Rd.] (south of Woolsey Road) Comment
  CAS-BOT-BC164365  Mentha Peter Rubtzoff 1956-9-15 2899 Sonoma Atascadero Creek Marsh. Comment
  UCR244599  Mentha X piperita Peter Rubtzoff 1960-9-17 4564 Sonoma Laguna de Santa Rosa northeast of Graton, near Guerneville Road Comment
  POM63046  Mentha arvensis var. villosa A. A. Heller 1902-6-27 5787 Sonoma West of Windsor near Russian river. Comment
  UCD148406  Mentha canadensis Peter Rubtzoff 1958-8-16 3882 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  POM62727  Mentha pulegium Geo R. Hall 1906-10-14 s.n. Sonoma Guerneville Comment
  UCD125123  Mentha pulegium Mary M. Hektner 1974-9-12 183 Sonoma Sea Ranch. Near State Highway 1. Unit 7 Owners' Map. Comment
  UCR244649  Mentha rotundifolia Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC166975  Mentha spicata Peter Rubtzoff 1968-8-24 5936 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  UCR255872  Mentha spicata Greg de Nevers 1992-6-26 10184 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 91 Comment
  CAS-BOT-BC164666  Mentha spicata Peter Rubtzoff 1955-10-12 2166 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC164668  Mentha spicata Peter Rubtzoff 1955-8-28 2112 Sonoma Forestville Marsh. Comment
  RSA784547  Mentha spicata Peter Rubtzoff 1955-10-12 2166 Sonoma Duncans Mill Marsh. Comment
  JEPS42864  Mentzelia laevicaulis var. laevicaulis Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC428952  Micranthes californica F. Almeda; G. DeNevers 1981-3-30 4873 Sonoma Pepperwood Ranch. Along road to the Garrison Cabin at the SW sector of the ranch. Comment
  SEINET11807614  Micropus californicus var. californicus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -187 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 630 Comment
  CAS-BOT-BC210116  Microseris Peter Rubtzoff; H. A. Froebe 1971-5-30 6499 Sonoma Border of dry vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC348731  Microseris bigelovii Alice Eastwood 1915-6-29 4869 Sonoma Bodega Point Comment
  CAS-BOT-BC348854  Microseris douglasii subsp. douglasii Greg de Nevers 1987-4-25 8167 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC320521  Mimulus Peter Rubtzoff 1970-6-21 6265 Sonoma Along sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  UCD162165  Mimulus aurantiacus D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1518 Sonoma Hooker Creek watershed. 520 Comment
  SEINET12335273  Mimulus aurantiacus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -241 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UC26690  Mimulus aurantiacus var. aurantiacus Alice Bolton 1888-10-13 Sonoma below Guerneville; Russian River Comment
  OBI9498  Mimulus aurantiacus var. aurantiacus H. E. McMinn 1944-5-11 5454 Sonoma Along road to Oakville from Kenwood Comment
  UC444799  Mimulus cardinalis Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  POM5095  Mimulus guttatus Michener, Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  RSA0040389  Mimulus guttatus Peter Rubtzoff 1954-7-29 1606 Sonoma Gerneville Marsh. Comment
  RSA698955  Mimulus guttatus J. R. Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  UC70353  Mimulus guttatus Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  UCR275268  Mimulus guttatus Peter Rubtzoff 1955-7-9 1929 Sonoma North Coast Range, Forestville Marsh 71 Comment
  UC26937  Mimulus microphyllus F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  JEPS12347  Mimulus microphyllus Francis W. Pennell Jul 2 1940-Jul 3 1940 26039 Sonoma ne Kenwood Springs 396 Comment
  UC1012301  Mimulus nasutus F. W. Pennell and H. L. Mason 1940-5-21 25487 Sonoma 12 mi e Healdsburg (Route 28); Knights Valley, Maacona Creek 121 Comment
  CAS-BOT-BC388890  Minuartia douglasii Greg de Nevers 1993-4-11 10367 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. East of Middle Road through Bald Hills 304 Comment
  CAS-BOT-BC388893  Minuartia douglasii F. Almeda; G. DeNevers 1981-4-28 4910 Sonoma Pepperwood Ranch. Vicinity of the Bechtel cabin Comment
  SBBG53026  Minuartia douglasii M. R. Benedict 1978-4-18 Sonoma Warm Springs Dam site, Dry Crk Valley Comment
  JEPS42871  Mollugo verticillata Alice King Oct. 1896 Sonoma Russian River, Healdsburg Russian River; , Healdsburg Comment
  UC72588  Mollugo verticillata Miss M. Alice King Sept. 1896 Sonoma near Healdsburg (Russian River); Russian River Comment
  SEINET9324387  Monardella sheltonii Unknown 1996-8-9 Sonoma Sonoma Co., CA (elev 800m) 800 Comment
  JEPS86348  Monardella villosa Jack and Betty Guggolz 1988-5-8 927 Sonoma Comment
  UC1995308  Monardella viridis Milo S. Baker 1934-6-20 7654 Sonoma 2 1/2 mi ne Glen Ellen (Youngman Ranch) Comment
  CAS-BOT-BC444983  Montia fontana R. Bacigalupi 1948-3-6 2856 A Sonoma At junction of roads from Stewart's Point and Annapolis, on road from Skaggs Springs, NW Sonoma County Comment
  CAS-BOT-BC444992  Montia fontana G. DeNevers 1981-4-1 659 Sonoma Pepperwood Ranch. 30 m S of Aluminum Pepperwood Gate. Comment
  RSA620419  Montia fontana Peter Rubtzoff 1955-4-23 1775 Sonoma Sonoma County: Bennett Mtn Lake Comment
  UCD144663  Montia parvifolia Frederica Bowcutt 1994-6-12 1874 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Canyon Trai along edge of Sonoma Creek just E of confluence with Pony Gate Gulch Creek, just S of Adobe Canyon Road. 274 Comment
  UCD110293  Morella californica Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-29 091 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC376363  Myosotis discolor Greg de Nevers 1990-3-26 9655 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Weimar Flat. 400 Comment
  JEPS21579  Myosotis discolor Lauramay T. Dempster 1958-5-24 1104 Sonoma Pitkin Ranch, Pitkin Marsh Comment
  SEINET12348989  Myosotis discolor F. H. Utech 1988-5-19 88 -193 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 Comment
  CAS-BOT-BC101792  Myrica californica Peter Rubtzoff 1962-4-11 4788 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road) Comment
  CAS-BOT-BC251167  Myriophyllum aquaticum Peter Rubtzoff 1973-10-10 7334 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC257680  Myriophyllum aquaticum Peter Rubtzoff 1966-6-27 5770 Sonoma Santa Rosa Creek area, ca. 1 mile east of the Laguna de Santa Rosa. Comment
  RSA800152  Myriophyllum brasiliense Peter Rubtzoff 1966-6-27 5770 Sonoma Santa Rosa Creek area, ca. 1 mi east of Laguna de Santa Rosa. Comment
  RSA800894  Myriophyllum hippuroides Peter Rubtzoff 1955-7-2 1916 Sonoma Boggs Lake, southern shore of the lake. Comment
  CAS-BOT-BC456194  Najas guadalupensis Peter Rubtzoff 1955-7-30 1996 Sonoma Bennett Mtn. Lake. Comment
  UCD144430  Nassella lepida Frederica Bowcutt 1996-5-19 2127 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon firebreak (narrow) btw. lower Bald Mtn. and Bald Mt. Trail. 487 Comment
  CAS-BOT-BC260280  Nassella pulchra John Thomas Howell; et al. 1981-5-14 53945 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-BC260283  Nassella pulchra G. DeNevers 1981-5-5 952 Sonoma Pepperwood Ranch. Along the road by Pippindale Garden Comment
  CHSC8592  Nassella pulchra B. Hamilton 1969-5-10 20 Sonoma Found along roadway on Hiway 1--8 miles south of Stewarts Pt. Comment
  RSA656745  Nassella pulchra Beecher Crampton 1956-4-24 3310 Sonoma 2.5 miles north of Healdsburg. Comment
  CAS-BOT-BC60527  Nasturtium officinale John H. Thomas 1976-6-18 18363 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville. Comment
  CAS-BOT-BC366901  Navarretia Greg de Nevers 1997-8-17 11075 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  UCD39804  Navarretia intertexta Collector Unknown 1947-5-16 Sonoma 4.5 miles E. of Windsor. Comment
  UCD48473  Navarretia intertexta Herbert L. Mason 1940-5-21 12295 Sonoma Head of Maacama Creek, Knights Valley, Sonoma County. Comment
  JEPS70381  Navarretia leucocephala subsp. bakeri J. Ewan 1935-5-13 9249 Sonoma along RR. tracks Wright School (on Sebastopol road) Comment
  JEPS86365  Navarretia leucocephala subsp. bakeri Jack and Betty Guggolz 1988-5-12 932 Sonoma D. Carinalli property, on the n side of the laguna Comment
  UC101999  Navarretia leucocephala subsp. bakeri Katharine Brandegee Jun 1905 Sonoma between Santa Rosa and Sebastopol Comment
  UC52427  Navarretia leucocephala subsp. bakeri Milo S. Baker 1899-5-6 Sonoma railroad track between Sebastopol Santa Rosa Comment
  JEPS101636  Navarretia mellita Dean W. Taylor 1998-6-22 16681 Sonoma Geysers area, ca. 0.3 miles east along ridge from Eagle Rock Substation (ridge dividing Bear Canyon from Squaw Cr.) 792 Comment
  CAS-BOT-BC232687  Navarretia pubescens Alva Day; George Lindsay; Mona Bourell 1982-6-25 82 57 a Sonoma N of Glen Ellen, off Highway 121, Pepperwood Ranch Preserve, California Academy of Sciences, 0.5 mile NW of Strebel Homestead above Martin Creek Comment
  CDA40114  Navarretia pubescens G. D. Barbe 1991-5-15 4412 c Sonoma Along ridge west of Annadel State Park boundary, Santa Rosa. Comment
  UC582809  Navarretia squarrosa P. A. Munz 1936-8-7 14308 Sonoma 6 mi n Bodega Comment
  RSA98661  Navarretia squarrosa G. Thomas Robbins 1939-7-4 272 Sonoma Near Graton Comment
  SDSU3222  Navarretia squarrosa D. F. Howe 1962-7-28 3360 Sonoma Mark West Creek, 3.4 miles east of #101. Comment
  SEINET197049  Navarretia viscidula Helen K. Sharsmith 1952-7-6 4178 Sonoma Stewart's Point road 12.2 miles west of Skagg's Springs 579 Comment
  RSA94353  Navarretia viscidula Peter Rubtzoff 1951-7-21 523 Sonoma Pitkin Marsh near Forestville; dry ground bordering the Upper Marsh in the west Comment
  UCD160847  Navarretia vividior James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3294 b Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 716 Comment
  JEPS3139  Nemophila heterophylla E. Ferguson 1920-4 356 Sonoma Mt. St. Helena Comment
  POM65258  Nemophila heterophylla A. A. Heller, H. E. Brown 1902-3-16 s.n. Sonoma Russian River, Near Trenton. Comment
  RSA51317  Nemophila menziesii var. menziesii Peter H. Raven 1950-4-6 1571 Sonoma Cotati to Santa Rosa. 30 Comment
  CAS-BOT-BC231192  Nemophila parviflora Peter Rubtzoff 1953-5-17 1392 Sonoma S of Guerneville (Neeley Hill area) Comment
  UC58518  Nemophila parviflora A. A. Heller 1903-4-23 6611 Sonoma Fort Ross Comment
  UC606947  Nemophila parviflora L. Constance 1938-4-24 2159 Sonoma mouth of small canyon 0.5 mi s Fort Ross; s of Fort Ross 91 Comment
  CAS-BOT-BC230567  Nemophila parviflora var. parviflora A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross Comment
  CAS-BOT-BC157974  Nicotiana Peter Rubtzoff 1965-8-16 5605 Sonoma Russian River bottom at Forest Hills, 5.5 miles East of Guerneville Comment
  CAS-BOT-BC166971  Nicotiana Peter Rubtzoff 1961-8-22 4695 Sonoma Fife Creek Marsh Comment
  UC1586101  Nicotiana quadrivalvis Barbara Ertter 1988-11-5 8030 Sonoma ca 5 air mi s Cloverdale (point below Little Flat parking area w of bridge); Lake Sonoma 152 Comment
  SD88473  Nuphar polysepala Darley F. Howe 1972-6-27 4840 Sonoma Duncan Mills Pond Comment
  CAS-BOT-BC140453  Oemleria cerasiformis Marcus E. Jones 1882-7-18 3578 Sonoma Duncan's Mills Comment
  CAS-BOT-BC366855  Oemleria cerasiformis Greg de Nevers 1998-3-4 11138 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CDA38495  Oenanthe sarmentosa T. C. Fuller 1958-1-29 104 -58 Sonoma Triangle G Ranch, Sonoma Mtn., Petaluma. 0 Comment
  UCD106944  Oenothera elata subsp. hookeri Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-29 90 A Sonoma Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC376284  Olea europaea Greg de Nevers 1995-5-9 10723 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In quarry by Ward House 487 Comment
  CAS-BOT-BC502909  Orobanche fasciculata Greg de Nevers 1995-5-2 10718 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd. 487 Comment
  JEPS11691  Orobanche vallicola Bernard Lile 1933-10-1 Sonoma Russian R. bank near Cloverdale Comment
  SEINET3159751  Orthocarpus faucibarbatus L. S. Rose 1933-5-9 33158 Sonoma Bodega Bay Comment
  POM180617  Orthocarpus faucibarbatus var. albidus J. T. Howell 1930-6-8 5278 Sonoma Hillside overlooking the ocean, 8 miles N of Bodega Bay Comment
  RSA34065  Orthocarpus faucibarbatus var. albidus A. A. Heller 1930-5-14 15083 Sonoma Back of bluff north of Bodega Bay. Comment
  RSA144398  Orthocarpus lithospermoides Roxana S. Ferris, Laura Lorraine 1961-6-14 13549 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UCR222527  Osmorhiza chilensis George K. Helmkamp, E. A. Helmkamp 2010-6-5 16250 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  OBI11858  Oxalis oregana Ann C. Litkins 1970-5-16 128 Sonoma Starret Hill Dr, 1 mi W of monte Rio, near Russian River 30 Comment
  HSC16713  Oxalis pes-caprae S. N. Wiemeyer 1962-4-13 9 Sonoma 2.1 mi. N of Jct. of Calistoga Rd. and Hwy. 12 274 Comment
  SEINET10849964  Panicum P. Rubtzoff 1968-9-21 Rubtzoff 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC1102744  Panicum acuminatum var. acuminatum A. R. Kruckeberg 1949-6-4 S- 21 Sonoma Sulphur Creek , Sulphur Creek (Big Geysers) Comment
  UCD32828  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 f 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.), steep banks along road to steam well. 493 Comment
  CAS-BOT-BC253771  Panicum capillare Catherine Best 1984-8-18 1039 Sonoma Near the pond on Stoetz Lane, about 3 miles NE of Occidental Comment
  CAS-BOT-BC253798  Panicum hillmanii G. DeNevers 1981-6-20 1600 Sonoma Pepperwood Ranch. Mark West Creek Comment
  CAS-BOT-BC253799  Panicum hillmanii John H. Thomas 1969-9-21 15476 Sonoma About 1 mile N of Graton along Highway 116 Comment
  CAS-BOT-BC253796  Panicum hillmanii Walter & Irja Knight; Steve Edwards 1984-8-31 5070 Sonoma Along Willow Creek near Stony Point Road between Corona Road and Old Redwood Highway 6 Comment
  SBBG115658  Panicum thermale B. Crampton 1964-8-18 7139 c Sonoma The Geysers, above Geyser Crk, ca. 12 mi (in direct line) E of Cloverdale, ca. 0.5 mi E of Geyser Resort area, slope of steam thermal no 10 (Thermal Power Co.) 493 Comment
  CDA32592  Panicum thermale Beecher Crampton 1964-8-18 7139 f Sonoma NE Sonoma County, The Geysers, 12 mi (in direct line) E of Cloverdale, ca. 0.5 mi E of Geyser Resort area, slope of steam well (locally called The Outlaw ) or otherwise thermal no. 10 (Thermal Power co.) Comment
  UCD35512  Paronychia franciscana Beecher Crampton 1957-7-22 4363 Sonoma Along State Hwy. 1, 8.2 miles north of Stewart's Point. Comment
  CAS-BOT-BC154982  Paspalum Peter Rubtzoff 1973-9-9 7307 Sonoma Kenwood Marsh. Comment
  UCD88720  Paspalum dilatatum Frederica Bowcutt 1996-5-23 2144 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. Entrance to campground in Adobe Canyon. 350 Comment
  RSA784152  Paspalum dilatatum 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
  CAS-BOT-BC265700  Paspalum distichum David L. Morgan 1960-9-10 s.n. Sonoma Old Redwood Highway 1/2 mile south of Penngrove Comment
  RSA118963  Paspalum distichum L. S. Rose 1956-8-20 56147 Sonoma San Antonio Creek, Highway 101 3 Comment
  CAS-BOT-BC371443  Pectocarya pusilla Greg de Nevers 1998-4-26 11195 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Silva's property, Devils Kitchen, in Section 6 400 Comment
  UC1239019  Pedicularis densiflora Freed W. Hoffman 1947-5-30 556 Sonoma Austin Creek; North Coast Ranges, Layton Mine Comment
  HSC20925  Pedicularis densiflora James Faro 1962-4-14 19 Sonoma 5 mi. N of Guerneville on Old Cazadero Rd. Comment
  JEPS77252  Pedicularis densiflora Robert M. Lloyd 1963-4-24 2391 Sonoma 12.6 mi from State Hwy 12 on road to Oakdale 457 Comment
  CAS-BOT-BC207022  Pelargonium vitifolium Catherine Best 1984-5-13 950 Sonoma On the edge of Hwy 1 about .5 mi north of Fort Ross. Comment
  CAS-BOT-BC69303  Pellaea andromedifolia Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs 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
  UCD158871  Pellaea mucronata James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2913 Sonoma Mayacmas Mountains; unnamed creek east of Truit Creek, ca 2 miles west of The Geysers. (Elevation estimated by label maker using Google Earth.) 457 Comment
  UC887072  Penstemon heterophyllus var. heterophyllus Alice Eastwood 1915-6-5 4611 Sonoma Petrified Forest Comment
  CAS-BOT-BC245713  Penstemon newberryi var. sonomensis Alice Eastwood 1915-6-6 4701 Sonoma Mt. St. Helena Comment
  JEPS7216  Penstemon newberryi var. sonomensis Willis L. Jepson 1893-9-23 21415 Sonoma Mt. St. Helena Napa River Basin, Mt. St. Helena 883 Comment
  JEPS83484  Penstemon newberryi var. sonomensis Jack and Betty Guggolz 1986-5-27 876 Sonoma just to the nw lookout on Mt. St. Helena; nw of the lookout on Mt. St. Helena Comment
  SEINET12329975  Pentagramma triangularis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -203 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 800 Comment
  UC1329519  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-8-30 5872 Sonoma Upper Marsh Pitkin Marsh (southern part, near Forestville) Comment
  UC1329520  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-9-16 5883 Sonoma Upper Marsh Pitkin Marsh (southern part, near Forestville) Comment
  RSA224291  Perideridia kelloggii Peter Rubtzoff 1967-9-2 5875 Sonoma Freestone Marsh Comment
  CAS-BOT-BC258014  Persicaria hydropiper Peter Rubtzoff 1973-9-9 7310 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC418913  Persicaria hydropiperoides Peter Rubtzoff 1961-9-6 4739 Sonoma Laguna de Santa Rosa area northeast of Graton Comment
  CAS-BOT-BC418910  Persicaria hydropiperoides Peter Rubtzoff 1955-8-27 2099 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC258009  Persicaria punctata Peter Rubtzoff 1973-8-20 7224 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC419423  Persicaria punctata Peter Rubtzoff 1966-9-25 5824 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC419420  Persicaria punctata Peter Rubtzoff 1951-9-2 710 Sonoma Pitkin Marsh, near Forestville. North of the Lower Marsh Comment
  UCD98399  Petrorhagia nanteuilii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 67 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road. 259 Comment
  UCD98401  Petrorhagia nanteuilii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 67 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road. 259 Comment
  UCD161297  Petrorhagia prolifera James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3718 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  UC1602000  Phacelia californica H. S. Yates 1934-4-21 3781 Sonoma near Bodega; Sebastopol Quadrangle Comment
  UCR222352  Phacelia californica George K. Helmkamp, E. A. Helmkamp 2010-6-4 16232 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
  JEPS22726  Phacelia distans Rimo Bacigalupi 1958-5-24 6364 Sonoma n slope just below Camp Meeker; Dutch Bill Creek Canyon, Alder Canyon 97 Comment
  UC1348887  Phacelia distans Robert F. Thorne 1965-4-20 34358 Sonoma s-facing bank on Cavedale Rd 1/2 mi up State Hwy 12 (ca 4 mi n of Sonoma) 243 Comment
Read comments
Jun 29 2008
  UC24347  Phacelia distans E. L. Greene 1892-4-20 Sonoma Knight's Valley Comment
  CAS-BOT-BC361355  Phacelia distans Greg de Nevers 1997-4-16 10943 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  RSA177903  Phacelia distans Robert F. Thorne 1965-4-20 34358 Sonoma On Cavedale Road, half mile up from State Highway 12, ca. four miles north of Sonoma. 244 Comment
  JEPS128345  Phacelia imbricata Roger Raiche 2000-6-6 133 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1348893  Phacelia imbricata Robert F. Thorne 1965-4-20 34390 Sonoma Los Alamos Rd ca 1-2 mi ne State Hwy 12 Comment
  UCR248732  Phalaris aquatica Peter Rubtzoff 1968-6-25 5913 Sonoma Lichau Marsh [5 miles northeast of Penngrove on Lichau Road] 220 Comment
  UCD88508  Phalaris arundinacea Freed W. Hoffman 1944-6-1 2027 Sonoma North Coast Ranges. Near Guerneville. Comment
  CAS-BOT-BC259022  Phalaris californica H. S. Yates 1936-5-16 5618 Sonoma Near Green Valley School 91 Comment
  RSA155424A  Phalaris californica L. S. Rose 1962-6-1 62067 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  UCD88569  Phalaris californica P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UC1132423  Phalaris canariensis H. S. Yates 1936-5-16 5621 Sonoma near Green Valley School; Sebastopol Quadrangle Comment
  UCD88874  Phalaris lemmonii A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3580 Sonoma Corner of Wright Road and Rt. 12 in outskirts of Santa Rosa. Comment
  UCD89016  Phalaris lemmonii R. Tofsrud 1941-4-1 125 Sonoma Near Santa Rosa. Comment
  UCD89300  Phleum alpinum Beecher Crampton 1957-7-22 4368 Sonoma 0.3 mile south of Stewart's Point, above Fisherman's Bay. Comment
  UCD89309  Phleum alpinum Freed W. Hoffman 1943-6-6 2213 Sonoma Ocean bank at Wright's Beach, Sonoma Coast. Comment
  RSA178022  Phoradendron densum Robert F. Thorne 1965-4-19 34280 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 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
  UCD168036  Phoradendron leucarpum subsp. tomentosum James A. Neilson Jr. 1981-3-13 3988 Sonoma Mayacmas Mountains, Caldwell Ranch, 1 mi. west Caldwell Pines. Squaw Creek drainage. Hills 1/4 mi. west old Caldwell Ranch. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC251152  Phyla Peter Rubtzoff 1973-9-8 7305 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CDA36258  Phyla nodiflora M. Lennox & D. Curle 2011-11-21 PDR# 1465997 Sonoma Hwy 121 Bridge (Tolay Creek). 0 Comment
  CAS-BOT-BC140614  Physocarpus capitatus A. A. Heller 1902-6-24 5758 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC202278  Pickeringia montana var. montana W. W. Carruth 1899-7-1 s.n. Sonoma Geysers Comment
  CAS-BOT-BC202279  Pickeringia montana var. montana James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  RSA796379  Picris echioides Peter Rubtzoff 1955-9-24 2155 Sonoma Duncan Mills Marsh Comment
  HSC100961  Pilularia americana Peter Warner, Sarah Gordon 2011-5-16 200 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), 175 m E144 deg. S from swimming pool. 0 Comment
  UCR278821  Pinus lambertiana Ann Howald 2016-1-21 3552 Sonoma North Coast Ranges, Annapolis Ridge, c. 0.3 mile north of Annapolis Rd and 0.4 mile west of Soda Springs Rd. 223 Comment
  UC1076360  Pinus muricata Herbert L. Mason 1928-4-8 4278 Sonoma Fort Ross Comment
  RSA394829  Pinus muricata var. borealis D. Axelrod 1983-7-7 E- 3 Sonoma Vicinity Salt Point, Sate Highway 1. 76 Comment
  CAS-BOT-BC72885  Pinus ponderosa James McMurphy 1908-10-3 s.n. Sonoma Smith Creek Comment
  CAS-BOT-BC137280  Piperia elegans Peter Rubtzoff 1952-6-3 1159 Sonoma Field redacted by CAS, contact the data manager for more information Comment
  JEPS128338  Piperia elongata Roger Raiche 2010-7-10 033 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCR46049  Piperia unalascensis 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
  JEPS87245  Pisum sativum Jack and Betty Guggolz 1991-5-20 1139 Sonoma about 1 mi s Asti (on w side of Highway 101) 97 Comment
  CAS-BOT-BC376220  Plagiobothrys Greg de Nevers 1992-4-8 10099 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. At the Turtle Pond 475 Comment
  UCR279873  Plagiobothrys Peter Rubtzoff 1969-5-24 6062 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road 427 Comment
  CAS-BOT-BC154145  Plagiobothrys Peter Rubtzoff 1972-6-11 6780 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC154993  Plagiobothrys Peter Rubtzoff 1970-5-16 6217 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC228040  Plagiobothrys Rimo Bacigalupi 1926-5-2 s.n. Sonoma Cazadero Comment
  UCD150129  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-11 s.n. Sonoma Northwest of the city of Santa Rosa, S of River Rd and W of Fulton Rd. Just N of Wood Rd. Sampling pool #4. 44 Comment
  CAS-BOT-BC228115  Plagiobothrys chorisianus John H. Thomas 1976-6-16 18256 Sonoma Southern part of Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  JEPS117070  Plagiobothrys greenei Peter Warner 2010-3-30 128 Sonoma Annadel State Park, east of Santa Rosa; approx. 200 m south of Cobblestone Trail, approx. 1 km west of Channel Drive. Comment
  UC526161  Plagiobothrys greenei John Thomas Howell 1934-3-27 11803 Sonoma summit of Bennett Valley Road from Glen Ellen to Santa Rosa Comment
  RSA51264  Plagiobothrys nothofulvus P. H. Raven 1950-4-6 1600 Sonoma Lower slopes of Rincon Ridge, 4 miles to Sonoma from Santa Rosa. 244 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
  UC881350  Plagiobothrys stipitatus Alice Eastwood 1921-4-24 10261 Sonoma Santa Rosa Comment
  UCR280147  Plagiobothrys tener var. tener Peter Rubtzoff 1972-4-23 6735 Sonoma North Coast Range, 4.25 miles west of Glen Ellen on Bennett Valley Road 220 Comment
  RSA151887  Plagiobothrys undulatus Robert Ornduff 1960-4-21 6072 Sonoma West edge of Sonoma. Both sides of Hayes St., south of Sonoma Elementary School. Comment
  RSA783737  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6091 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  RSA783741  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6095 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  SEINET8665591  Plantago erecta A. A. Heller 1902-3-27 5167 Sonoma Western base of Mt. Hood Comment
  JEPS7135  Plantago lanceolata W. L. Jepson 1921-9-12 9479 Sonoma Alexander Valley 45 Comment
  UCD160860  Plantago lanceolata James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3289 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCD124576  Plantago lanceolata Chris Bowen 1974-4-7 s.n. Sonoma South of Whalers' Reach and west of Sea Gate Road, Sea Ranch, near State Highway 1. 30 Comment
  UCD81451  Plantago lanceolata M. Wiesendanger 1927-5-5 718 Sonoma Sonoma. Comment
  SD88566  Plantago maritima subsp. juncoides Darley F. Howe 1972-5-3 Sonoma 4.0 miles north of Ft. Ross. Comment
  UC1134746  Platanthera leucostachys H. S. Yates 1936-5-16 5594 Sonoma 2 mi se Forestville (Pitkin Marsh); Sebastopol Quad. 30 Comment
  CAS-BOT-BC92115  Platystemon californicus Alice Eastwood 1915-6-29 4862 Sonoma Bodega Point. Comment
  CAS-BOT-BC92120  Platystemon californicus A. A. Heller; H. E. Brown 1902-3-20 5105 Sonoma Near Windsor. Comment
  UCD96038  Platystemon californicus Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 46 Sonoma Bihler's Point, Unit 2 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UCSB50225  Platystemon californicus Gray, John 1976-5-1 Sonoma Bluffs above Duncan's Landing State Beach; T6N R11W 15 Comment
  POM149315  Platystemon californicus var. californicus A. A. Heller, H. E. Brown 1902-3-20 5105 Sonoma Near Windsor. Comment
  SD88312  Plectritis ciliosa Darley F. Howe 1972-5-3 Sonoma Ocean bluff 2.5 miles north of Jenner Comment
  UCD90170  Pleuropogon californicus David L. Morgan 1961-4-25 s.n. Sonoma near Stemple Creek, 3 miles southwest of Cotati. Comment
  SEINET6205136  Pleuropogon californicus L. S. Rose 1965-1 65019 Sonoma Sonoma Comment
  UCD36835  Pleuropogon californicus Beecher Crampton 1956-3-12 3220 Sonoma Sonoma County, Alexander Valley Store. Comment
  UCD37559  Pleuropogon californicus Beecher Crampton 1955-4-5 2403 Sonoma 1.3 miles west of Fulton, along Woolsey Road. Comment
  CAS-BOT-BC260984  Pleuropogon californicus var. californicus Peter H. Raven 1963-4-28 18252 Sonoma 4.7 miles south of El Verano on Arnold Drive Comment
  RSA178008  Pleuropogon californicus var. californicus R. F. Thorne 1965-4-19 34263 Sonoma Cotati, Waters Ranch 30 Comment
  UCD90169  Pleuropogon californicus var. californicus David L. Morgan 1961-4-25 s.n. Sonoma junction of Meacham Rd. and Pepper Rd., approx. 3 miles southwest of Cotati. Comment
  UCD90203  Pleuropogon californicus var. californicus A. A. Beetle 1946-5-6 4263 Sonoma 1/2 mile south of Cotati. Comment
  SEINET10590010  Poa Etcheverry 1928-4-22 ETCHEVERRY s.n. Sonoma Wilbur Springs. Comment
  SEINET10590027  Poa A. Arthur Heller 1902-5-29 Heller 5628 Sonoma Near the summit of Mt. Hood. Comment
  UCD90690  Poa bulbosa Gerry North 1993-4 40 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 365 Comment
  SD88567  Poa douglasii Darley F. Howe 1972-5-3 Sonoma Ocean bluff 16.4 miles north of Fort Ross Comment
  UCD90529  Poa kelloggii P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC256027  Poa pratensis Catherine Best 1993-5-6 1412 Sonoma Pepperwood Comment
  CAS-BOT-BC256034  Poa pratensis Peter Rubtzoff 1958-5-3 3612 Sonoma Atascadero Creek Marsh Comment
  RSA126953  Poa pratensis H. S. Yates 1936-5-16 5602 Sonoma 2 miles SE of Forestville 30 Comment
  CAS-BOT-BC243243  Poa secunda subsp. secunda A. A. Heller 1902-4-9 5249 Sonoma In railroad cut 3 miles S of Healdsburg Comment
  UC1011005  Poa secunda subsp. secunda Virginia Bufford 1936-5-21 358 Sonoma 2 mi from Geysers (Cloverdale Rd) Comment
  UCD92089  Poa secunda subsp. secunda L. Whitney 1935-3-16 s.n. Sonoma Near Occidental. Comment
  CAS-BOT-BC243256  Poa secunda subsp. secunda G. DeNevers 1982-3-28 1943 A Sonoma Sugarloaf Ridge State Park, near the parking lot Comment
  CAS-BOT-BC244189  Poa trivialis Peter Rubtzoff 1954-6-6 1470 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC244197  Poa trivialis Peter Rubtzoff 1960-6-5 4430 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road Comment
  CAS-BOT-BC244201  Poa trivialis Roxana S. Ferris; Laura Lorraine 1961-6-14 13542 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  CAS-BOT-BC361403  Poaceae Greg de Nevers 1994-3-18 10523 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. By Weimar 457 Comment
  CAS-BOT-BC371460  Poaceae Greg de Nevers 1989-6-8 9076 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CDA41540  Pogogyne douglasii G. F. Hrusa, A. Buckmann 1996-10-5 13586 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. 2 mi. SW of Calistoga. Comment
  HSC93551  Pogogyne douglasii G. Fred Hrusa, A. Buckmann 1996-10-5 13586 Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Rd., 2 mi. SW of Calistoga 700 Comment
  SBBG47335  Pogogyne douglasii P. Rubtzoff 1971-6-23 Sonoma 4.25 mi W of Glen Ellen Comment
  UC76198  Pogogyne douglasii subsp. parviflora Milo S. Baker 1899-6-25 Sonoma near Santa Rosa Comment
  UC1002652  Polycarpon tetraphyllum Milo S. Baker and H. K. Wagnon 1954-7-1 12960 Sonoma Santa Rosa; sidewalk crevices in front of Hughes Garage 2nd St. Comment
  CDA31279  Polygala californica D. G. Kelch, Ed Biffin 2010-5-3 10 .199 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CAS-BOT-BC258008  Polygonum Peter Rubtzoff; Nancy Harrison; Ruth Hass 1974-8-31 7853 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC164392  Polygonum Peter Rubtzoff 1970-5-30 6248 Sonoma 5 mi. north of Sears Point Comment
  UCD166307  Polygonum Peter Rubtzoff 1966-8-25 5810 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  CAS-BOT-BC164043  Polygonum arenastrum Peter Rubtzoff 1961-8-22 4681 Sonoma Fife Creek Marsh. Comment
  POM144893  Polygonum aviculare A. A. Heller 1902-6-11 5693 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  CAS-BOT-BC414110  Polygonum aviculare subsp. aviculare Walter Knight; Irja Knight 1963-10-3 346 Sonoma Bennett Valley Comment
  CAS-BOT-BC414113  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1955-8-7 2034 Sonoma Guerneville Marsh Comment
  CLARK-A1528-3782  Polygonum convolvulus John C. Roos 1959-7-30 Sonoma Healdsburg Garden Comment
  RSA800607  Polygonum hydropiper Peter Rubtzoff 1973-8-15 7210 Sonoma Russian River at Squaw Rock, 6 mi south of Hopland. Comment
  CAS-BOT-BC109247  Polygonum paronychia Mrs. H. C. Cantelow 1940-4-20 4190 Sonoma North of Bay. Mouth of Salmon River. Comment
  RSA94323  Polygonum punctatum Peter Rubtzoff 1952-10-26 1330 Sonoma Western branch of the upper Marsh, at a shady place in shallow water Comment
  HSC34929  Polypodium californicum Thomas W. Nelson, James Nelson 1975-3-25 1761 Sonoma Beside Hwy. 128, E of Geyserville at the Sonoma-Napa Co. line Comment
  UC1051680  Polypodium scouleri Peter Kamb 1950-6-17 1881 Sonoma 2.9 mi w of fork in road to Bodega and Valley Ford (Larkspur Rock); s side Cheney Gulch 30 Comment
  UC42912  Polypodium scouleri F. T. Bioletti 1892-7-6 Sonoma Gualala River Comment
  CAS-BOT-BC232936  Polypogon Peter Rubtzoff 1983-8-28 9671 Sonoma Austin Creek, ca. 0.5 mile N of Highway 116 on Cazadero Road Comment
  CAS-BOT-BC232938  Polypogon Peter Rubtzoff 1986-7-13 9724 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville Comment
  CAS-BOT-BC232939  Polypogon Peter Rubtzoff 1986-9-28 9743 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville Comment
  CAS-BOT-BC311838  Polypogon Peter Rubtzoff 1983-8-28 9671 Sonoma Austin Creek ca. 0.5 miles north of Hwy. 116 on Cazadero Road. Comment
  CAS-BOT-BC311839  Polypogon Peter Rubtzoff 1986-9-28 9743 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA0022378  Polypogon Peter Rubtzoff 1973-9-8 7303 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Comment
  CAS-BOT-BC233191  Polypogon interruptus Peter Rubtzoff 1955-7-31 2013 Sonoma Forestville Marsh Comment
  CAS-BOT-BC233195  Polypogon interruptus Peter Rubtzoff 1960-5-22 4407 Sonoma Laguna de Santa Rosa area E of Graton, between Occidental and Guerneville Roads Comment
  HSC10826  Polypogon interruptus C. S. Chavez 1965-6-9 84 Sonoma 1 mi. S of Guerneville on Hwy. 116, bank of Russian River. Comment
  SEINET11690151  Polypogon interruptus W. Knight, Knight, I.; Howell, J. T. 1987-1 6281 Sonoma near Todd Road Preserve 24 Comment
  CAS-BOT-BC233221  Polypogon maritimus Greg de Nevers 1992-6-26 10209 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CAS-BOT-BC233225  Polypogon maritimus Peter Rubtzoff 1961-6-17 4628 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC237407  Polypogon monspeliensis Peter Rubtzoff 1955-7-31 2013 A Sonoma Forestville Marsh Comment
  UCD91413  Polypogon monspeliensis Terri Williamson 1990-5-24 73 Sonoma Cal-State Hayward Campus, Hayward. 243 Comment
  CAS-BOT-BC237616  Polypogon viridis David L. Morgan 1956-6-26 s.n. Sonoma Spring at Shell Beach, 0.25 mile S of Goat Rock, off State Highway 1 Comment
  CAS-BOT-BC72165  Polystichum californicum G. DeNevers 1982-2-9 1886 Sonoma beneath big power lines W of Garrison house, due W of Fir Forest Comment
  UC62818  Polystichum californicum J. Burtt Davy 1896-3-13 1661 Sonoma Cazadero Comment
  CAS-BOT-BC72174  Polystichum californicum Peter H. Raven 1950-4-23 1885 Sonoma Sobre Vista 152 Comment
  JEPS97815  Polystichum dudleyi R. Raiche 1986-11-10 60590 Sonoma The Cedars; Headwaters of Austin Creek; N of Cazadero 182 Comment
Read comments
Oct 17 2013
  UC62824  Polystichum munitum J. Burtt Davy 1896-3-15 1675 Sonoma Fort Ross Comment
  UCD136560  Polystichum munitum Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 025 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1, near old 'railroad' bridge. 30 Comment
  CAS-BOT-BC108549  Populus balsamifera Peter Rubtzoff 1986-8-31 9737 Sonoma On river bank off Summerhome Park road 0.2 mile west of Forest Hills Road Comment
  RSA800657  Potamogeton crispus Peter Rubtzoff 1970-10-3 6407 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC452163  Potamogeton diversifolius Peter Rubtzoff 1955-7-16 1970 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC257683  Potamogeton nodosus Peter Rubtzoff 1971-6-25 6552 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UCR256120  Potamogeton pusillus Greg de Nevers 1992-7-25 10228 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC141959  Potentilla anserina subsp. pacifica Walter Knight; Irja Knight 1963-8-13 212 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC141956  Potentilla anserina subsp. pacifica Peter Rubtzoff 1959-6-13 4127 Sonoma Willow Creek Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141958  Potentilla anserina subsp. pacifica Peter Rubtzoff 1954-7-26 1556 Sonoma Coleman Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141960  Potentilla anserina subsp. pacifica Ella Dales Cantelow 1938-5-7 2404 Sonoma 2 1/2 mi n.w. of Bodega Comment
  CAS-BOT-BC141649  Potentilla uliginosa Milo S. Baker 1946-8-17 11550 Sonoma Cunningham Marsh within the fence of the Camp Ground, ca 1 1/2 mi. west of the town of Cunningham Comment
  CAS-BOT-BC141650  Potentilla uliginosa John Thomas Howell 1946-8-17 22861 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC26647  Potentilla uliginosa Milo S. Baker 1947-6-26 11831 Sonoma Cunningham Marsh ca 1 mi southwest of Cunningham Station 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
  CAS-BOT-BC354314  Prosartes Peter Rubtzoff 1957-5-4 3316 Sonoma Duncans Mills Marsh area. Comment
  SEINET12052828  Prosartes hookeri F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -57 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  UCSB663  Prosartes hookeri Keator, Glenn 1959-4-1 Sonoma At abandoned picnic grounds, 1 mile southeast of northern city limits of Camp Meeker on Occidental- Monterio highway Comment
  UC1288497  Prunella Andrew P. Nelson 1960-8-3 646 C Sonoma Pitkin Marsh Comment
  UCD125271  Prunella vulgaris Beecher Crampton 1959-6-16 5392 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  UCD125336  Prunella vulgaris P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCD36685  Prunella vulgaris Beecher Crampton 1955-6-17 2934 Sonoma 0.5 mile south of Guerneville. Comment
  SEINET12272809  Prunella vulgaris subsp. vulgaris A. P. Nelson 1961-1 646 1 C Sonoma At Pitkin Marsh Comment
  JEPS128240  Pseudognaphalium luteoalbum Roger Raiche 2000-5-4 079 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC357168  Pseudognaphalium luteoalbum G. DeNevers 1981-4-25 861 Sonoma Pepperwood Ranch. Roadside at Mark West Creek and Leslie Creek Comment
  CAS-BOT-BC357169  Pseudognaphalium luteoalbum Mary P. Wells 1984-7-20 420 Sonoma In So. Fork Gualala River near The Sea Ranch Comment
  RSA785669  Pseudognaphalium luteoalbum Peter Rubtzoff 1970-10-3 6403 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  SD39799  Pseudognaphalium stramineum Edith A. Purer 1932-7-24 4081 Sonoma Bodega Bay Comment
  UCD135205  Pseudognaphalium stramineum P. G. Connors 1992-6-9 276 Sonoma Bodega Head and Dunes. Comment
  CAS-BOT-BC80179  Pseudotsuga menziesii Irja Knight; Walter Knight 1963-12-27 464 Sonoma Pine Flat Rd., Circle 8 Ranch Comment
  CAS-BOT-BC80182  Pseudotsuga menziesii Peter Rubtzoff 1951-8-18 636 Sonoma Western branch of the Upper Marsh Comment
  OBI35892  Pseudotsuga menziesii var. menziesii David J. Keil 1983-6-29 17207 Sonoma Ca. 10 mi SE of Ft. Ross along Hwy 1 Comment
  CAS-BOT-BC166787  Psilocarphus Peter Rubtzoff 1971-6-10 6531 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  RSA784567  Psilocarphus Peter Rubtzoff 1971-6-25 6553 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  UC1601292  Psilocarphus oregonus E. Palmer Sonoma Petaluma Comment
  CAS-BOT-BC362072  Psilocarphus tenellus Alice Eastwood 1921-5-8 10466 Sonoma Petaluma Comment
  UCD135312  Psilocarphus tenellus Mary M. Hektner 1974-7-5 125 Sonoma between what will be Helm and Sea Stack; Unit 35-C Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC72688  Pteridium aquilinum John H. Thomas 1976-6-16 18290 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  RSA177987  Pteridium aquilinum var. pubescens R. F. Thorne 1965-4-20 34339 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UCD137795  Pteridium aquilinum var. pubescens Ivette Loredo-Prendeville; Nicole Canon 1993-4-4 59 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 195 Comment
  UCD100916  Pterostegia drymarioides P. G. Connors 1991-6-14 154 Sonoma University of California Bodega Marine Laboratory. Bodega Head and Dunes. Comment
  RSA177980  Pteryxia terebinthina var. californica R. F. Thorne 1965-4-19 34306 Sonoma Located on the West-facing serpentine slope in mixed evergreen forest; West of Stoetz Road off of Harrison Grade, 2 miles Northeast of Occidental. 183 Comment
  CAS-BOT-BC460851  Pyrola aphylla Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC94231  Quercus X eplingii G. De Nevers 1981-9-5 1812 Sonoma Pepperwood Ranch. Bottom of Bauer's driveway, near Hansel's Corral Comment
  CAS-BOT-BC104297  Quercus X morehus Walter Knight; Irja Knight 1968-1-1 2268 Sonoma Genpers Resort, along creek at first footbridge in ravine on genper trail Comment
  UC405367  Quercus agrifolia W. P. Taylor 1913-6-11 Sonoma Freestone Comment
  CAS-BOT-BC62714  Quercus chrysolepis Irja Knight; Walter Knight 1964-11-15 786 Sonoma Hood's Peak below Johnson Lake Comment
  CAS-BOT-BC86004  Quercus douglasii Mrs. E. C. Sutliffe 1921-9-1 s.n. Sonoma Valley of the Moon, [Loudon's Place] Comment
  CAS-BOT-BC86006  Quercus douglasii Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5137 Sonoma Pine Mountain rd. 304 Comment
  JEPS37408  Quercus douglasii W. L. Jepson 1918-6-21 Sonoma w of Windsor (Calhoun Ranch) Comment
  UC1193272  Quercus douglasii G. W. Tourtillott 1950-4-28 14 Sonoma 1 mi e Hale ranch; Sulphur Creek 213 Comment
  CAS-BOT-BC79570  Quercus dumosa G. De Nevers 1981-9-5 1822 Sonoma In the W arm of the Garrison Canyon Comment
  UCD166584  Quercus durata Dylan O. Burge 2016-8-21 2124 Sonoma Mayacmas Mountains, western slope of Hooker Canyon. 500 Comment
  UCD46202  Quercus garryana Roman Gankin 1967-10-4 1078 3 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  UCR265130  Quercus garryana Ann Howald 2015-4-1 3329 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage 318 Comment
  CAS-BOT-BC105478  Quercus kelloggii Walter Knight; Irja Knight 1964-11-15 780 Sonoma near new Johnson residence on Hood's Peak Comment
  CAS-BOT-BC105479  Quercus kelloggii Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5387 Sonoma Pine Mt. Rd. Comment
  CAS-BOT-BC105482  Quercus kelloggii Mrs. E. C. Suttiffe 1921-9-5 s.n. Sonoma Valley of the Moon, London's Place Comment
  HSC8257  Quercus kelloggii L. S. Rose 1964-6-27 64058 Sonoma 2 mi N of Sonoma 274 Comment
  UCD46674  Quercus kelloggii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 73 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. Beginning of Hillside Trail. 381 Comment
  RSA177965  Quercus wislizeni var. frutescens Robert F. Thorne 1965-4-20 34386 Sonoma Robert Sone's place on Rock Ridge Lane- Mentecito Ave. on Rincon Ridge, Santa Rosa. 107 Comment
  UC1135886  Quercus wislizeni var. frutescens R. W. Lundh 1932-7-21 125 Sonoma Hooker Canyon Napa Quad. 548 Comment
  RSA0062826  Ranunculus aquatilis Greg de Nevers 1990-3-26 9655 A Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Weimar Flat. 100 Comment
  UCR255890  Ranunculus aquatilis Greg de Nevers 1990-3-26 9655 A Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCR255731  Ranunculus aquatilis var. hispidulus Greg de Nevers 1998-4-28 11213 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS55168  Ranunculus californicus Willis L. Jepson 1897-5-2 Sonoma Mt. St. Helena Napa River Basin Comment
  CAS-BOT-BC378677  Ranunculus californicus var. californicus L. R. Abrams 1918-4-27 6906 Sonoma Independence School near Healdsburg Comment
  CAS-BOT-BC378681  Ranunculus californicus var. californicus Peter Rubtzoff 1962-6-1 4869 Sonoma Freestone Marsh Comment
  CAS-BOT-BC378685  Ranunculus californicus var. californicus Mrs. H. C. Cantelow 1940-4-20 4250 Sonoma about 0.67 mi north of Bay Highway 1 Comment
  POM150531  Ranunculus lobbii A. A. Heller 1902-3-14 s.n. Sonoma Near Windsor. Comment
  UC9461  Ranunculus lobbii J. Burtt Davy 1896-3-13 1659 Sonoma Cujadera Comment
  POM202755  Ranunculus orthorhynchus var. bloomeri I. L. Wiggins 1932-3-12 5758 Sonoma Hillside between Calistoga and Knight's Valley. Comment
  RSA178036  Ranunculus orthorhynchus var. bloomeri Robert F. Thorne 1965-4-19 34267 Sonoma Titus Ranch, Valley Ford. 18 Comment
  RSA3946  Ranunculus orthorhynchus var. bloomeri I. L. Wiggins 1932-3-12 5757 Sonoma roadside ditch, Knight's Valley Comment
  UC118200  Ranunculus pusillus Mich. and Bioletti 1892-5-1 Sonoma Shellville Comment
Read comments
Jul 22 2010
  RSA94006  Ranunculus pusillus Peter Rubtzoff 1951-6-17 269 Sonoma Western branch of the Upper Marsh. Comment
  SEINET12093777  Ranunculus pusillus H. K. Wagnon 1988-1 1796 Sonoma Spring Lake, near Montgomery Drive, Santa Rosa 69 Comment
  CAS-BOT-BC74235  Raphanus sativus Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol. Comment
  RSA390199  Rhamnus californica Christopher Davidson 1977-6-20 60115 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  UC570986  Rhamnus californica subsp. californica Herbert L. Mason 1928-4-8 4293 Sonoma 2 mi n Fort Ross Comment
  UC1299215  Rhamnus tomentella subsp. crassifolia Freed W. Hoffman 1947-5-30 559 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  UCD117843  Rhododendron columbianum Mary M. Hektner 1976-5-10 252 Sonoma Along State Highway 1, Unit 35-A Owners' Map, Sea Ranch. Comment
  CDA38870  Rhododendron columbianum T. C. Fuller 1958-5-24 3996 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  UC571040  Rhododendron macrophyllum Herbert L. Mason 1928-7-11 4894 Sonoma 2 mi n of Fort Ross Comment
  CDA21389  Rhododendron occidentale G. F. Hrusa 1989-5-21 7036 Sonoma Austin Creek State Recreation Area; Canyon of Gilliam Creek at base of slope below Redwood Lake. 198 Comment
  UCD117989  Rhododendron occidentale J. M. Tucker 1952-5-4 2361 Sonoma On bank of the Wheatfield Fork of the Gualala River, beside road from Geyserville to Stewart's Point, ca. 12 miles east of Stewart's Point. Comment
  CDA38886  Rhododendron occidentale var. occidentale T. C. Fuller 1958-5-24 3987 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  SD243335  Rhododendron sonomense G. F. Hrusa 1989-5-8 7000 Sonoma Hogback Mountain at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  RSA94004  Rhynchospora alba Peter Rubtzoff 1951-7-1 340 Sonoma Lower part of Upper Marsh Comment
  CAS-BOT-BC111894  Rhynchospora californica John Thomas Howell 1945-8-14 21382 Sonoma Perry Marsh 182 Comment
  UCD141231  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh. Comment
  SEINET4178848 Image available Rhynchospora globularis Unknown 1946-7-4 12882 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UC1026387  Rhynchospora globularis var. globularis John Thomas Howell 1945-7-18 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111937  Rhynchospora recognita Peter Rubtzoff 1951-7-22 530 Sonoma Pitkin Marsh, Uppermost part of the western branch of the Upper Marsh. Comment
  UC75444  Ribes californicum Milo S. Baker 1898-4-4 19 Sonoma Sea View Comment
  CAS-BOT-BC168995  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1955-4-30 1803 Sonoma Forestville Marsh 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-BC209369  Ribes sanguineum var. glutinosum Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano Comment
  CAS-BOT-BC209372  Ribes sanguineum var. glutinosum Catherine Best 1988-3-12 1314 Sonoma At the edge of Bodega Bay on the west side Comment
  JEPS76923  Ribes sanguineum var. glutinosum Robert M. Lloyd 1963-2-24 2056 Sonoma 4 mi s State Highway 12 (above State Highway 1) 15 Comment
  UC191399  Ribes victoris var. minus Michener and Bioletti 1892-7-8 629 a Sonoma Comment
  CAS-BOT-BC74705  Rorippa curvisiliqua Peter Rubtzoff 1968-9-21 5973 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC74717  Rorippa curvisiliqua Greg de Nevers 1992-6-16 10168 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek. 304 Comment
  UCD115280  Rorippa curvisiliqua William T. Hirano 1967-5-26 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC74848  Rorippa palustris var. palustris Peter Rubtzoff 1964-8-20 5470 Sonoma Near pond 1 mile southeast of Jenner (near junction of Hihgways 1 and 12). Comment
  CAS-BOT-BC371459  Rosa Greg de Nevers 1989-4-1 9071 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UC467687  Rosa californica Milo S. Baker 1898-6-1 595 Sonoma Santa Rosa Cemetery Comment
  RSA39874  Rosa eglanteria Philip A. Munz 1947-10-9 12210 Sonoma 2 miles NE of Armstrong Redwoods State Park. 91 Comment
  CAS-BOT-BC148204  Rosa rubiginosa John Thomas Howell 1946-8-17 22871 Sonoma Cunningham Marsh Comment
  UC191247  Rosa spithamea Edw. L. Greene 1888-9-1 Sonoma Comment
  UCD92307  Rostraria cristata R. Tofsrud 1941-5-1 s.n. Sonoma Cloverdale. Comment
  CAS-BOT-BC262826  Rubus Peter Rubtzoff 1953-5-16 1354 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC262828  Rubus Peter Rubtzoff 1964-5-20 5306 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC262829  Rubus Peter Rubtzoff 1959-6-6 4089 Sonoma Willow Creek Marsh. Comment
  UCD166417  Rubus Peter Rubtzoff 1964-6-3 5346 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC147992  Rubus leucodermis H. E. McMinn 1922-6-17 191 Sonoma By Monte Rio Comment
  CAS-BOT-BC156663  Rubus spectabilis A. A. Heller; H. E. Brown 1902-3-29 5184 Sonoma Bodega Bay Comment
  RSA800353  Rubus spectabilis Peter Rubtzoff 1955-5-14 1853 Sonoma Duncan Mills Marsh. Upper portion of the marsh. Comment
  UCD17815  Rubus ursinus H. Olmo 8-10 May 1962 62 10 Sonoma California. Sonoma County: 1.6 miles south of Timber Cove on ocean front ravine. Comment
  CAS-BOT-BC164081  Rumex Peter Rubtzoff 1955-8-7 2029 Sonoma Guerneville Marsh. Along Pocket Canyon. Comment
  CAS-BOT-BC166690  Rumex Peter Rubtzoff 1958-7-20 3791 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC166796  Rumex Peter Rubtzoff 1962-8-22 5039 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC421582  Rumex crassus Peter H. Raven; R. Snow 1958-7-23 13687 Sonoma 2.6 miles north of Jenner Comment
  CAS-BOT-BC166799  Rumex fueginus Peter Rubtzoff 1963-10-5 5288 Sonoma Laguna de Santa Rosa east of Graton. Comment
  UCD148316  Rumex obtusifolius Peter Rubtzoff 1954-6-7 1480 Sonoma Guerneville Marsh. 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
  UCD108456  Rupertia physodes P. B. Kennedy 1915-5-31 s.n. Sonoma Woods near Annapolis. Comment
  CAS-BOT-BC445769  Sagittaria latifolia F. G. Krauss 1893-10-14 s.n. Sonoma County Road, Sonoma Valley Comment
  CAS-BOT-BC445772  Sagittaria latifolia Peter Rubtzoff 1951-8-19 663 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC445803  Sagittaria montevidensis Peter Rubtzoff 1970-8-18 6305 Sonoma 5 mi. north of Sears Point. Comment
  CAS-BOT-BC290682  Salix Peter Rubtzoff 1973-8-27 7264 Sonoma Upper Green Valley Marsh. Comment
  UCR249073  Salix Peter Rubtzoff, J. E. Eckenwalder 1974-4-6 7353 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC126267  Salix X sepulcralis Peter Rubtzoff 1952-3-23 905 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC126270  Salix X sepulcralis Peter Rubtzoff 1951-8-19 645 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC103076  Salix bonplandiana A. A. Heller 1902-4-22 5346 Sonoma On Santa Rosa creek near Santa Rosa Comment
  CAS-BOT-BC103078  Salix bonplandiana M. S. Baker 1930-4-11 3945 Sonoma Banks of Santa Rosa Creek Comment
  CAS-BOT-BC103079  Salix bonplandiana C. R. Ball; H. E. Parks 1931-2-17 22 Sonoma Santa Rosa Creek, 1 mile south of Santa Rosa Comment
  CAS-BOT-BC103091  Salix bonplandiana Peter Rubtzoff 1961-10-23 4782 Sonoma Laguna de Santa Rosa area northeast of Graton Comment
  RSA534568  Salix bonplandiana Peter Rubtzoff 1961-8-24 4700 Sonoma Fife Creek Marsh. Along Fife Creek. Comment
  RSA534609  Salix bonplandiana Peter Rubtzoff, Theodore J. Crovello 1964-9-3 5494 Sonoma Bodega Bay Marsh. Comment
  JEPS128331  Salix breweri Roger Raiche 2000-3-26 010 .00 Sonoma The Cedars. Lower Russian, Big Austin Creek watershed. Comment
  CAS-BOT-BC103942  Salix exigua Peter Rubtzoff 1954-7-4 1531 Sonoma Austin Creek Marsh Comment
  RSA534565  Salix exigua Peter Rubtzoff 1957-5-26 3370 Sonoma Vacation Beach. Near Guerneville. Russian River. 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
  UC504067  Salix exigua var. hindsiana W. A. Setchell 1933-5-6 Sonoma between Monte Rio and Camp Meeker (<Brookside>) Comment
  CAS-BOT-BC107756  Salix hindsiana G. De Nevers 1981-5-20 1236 Sonoma Pepperwood Ranch - along Leslie Creek, 100 m above confluence with Mark West Creek Comment
  UC66158  Salix laevigata A. A. Heller 1902-4-22 5346 Sonoma on Santa Rosa Creek near Santa Rosa; Santa Rosa Creek Comment
  SEINET10393028  Salix laevigata A. A. Heller 1902-4-18 5329 Sonoma On Russian River, near Windsor. Comment
  SEINET10393209  Salix laevigata A. A. Heller 1902-4-23 5348 Sonoma Near Sonoma. Comment
  CAS-BOT-BC107092  Salix lasiolepis Peter Rubtzoff; J. Eckenwalder 1973-10-3 7333 Sonoma along Salmon Creek 0.75 mi. northwest of Freestone Comment
  UC482119  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  SEINET10396745  Salix lasiolepis A. A. Heller 1902-3-28 5177 Sonoma Bodega Bay. 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
  RSA534503  Salix lasiolepis var. bigelovii Peter Rubtzoff, T. J. Covello 1964-9-3 5495 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC128314  Salix lasiolepis var. lasiolepis Ida Geary 1979-6-2 s.n. Sonoma Warm Springs Dam Comment
  POM219060  Salix lucida subsp. lasiandra Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 347 Sonoma About 2 km E of Bodega Bay. Comment
  UC490559  Salix melanopsis Joseph P. Tracy 1932-5-8 9898 Sonoma Geyserville Northern Coast Ranges, Geyserville Comment
  UC482057  Salix scouleriana Baker, Ball, Bracelin, and Crum 1931-5-9 342 Sonoma 2 km. e. Occidental (on Occidental grade) Comment
  UC519397  Salix scouleriana Milo S. Baker 1933-4 Sonoma 3 mi. w. Sebastopol (along Santa Rosa-Bodega Hwy., at O'Farrell Hill); O'Farrell Hill Comment
  UCD111843  Salix scouleriana Baker; Ball, Bracelin, and Crum 1931-5-9 342 Sonoma Two km. east of Occidental. Comment
  SBBG57996  Salix sitchensis M. S. Baker, C. R. Ball, Mrs. H. P. Bracelin, E. Crum 1931-5-9 344 Sonoma ca. 2 km E of Bodega Bay Comment
  UC524781  Salix sitchensis W. A. Setchell 1934-7-10 2 Sonoma opposite C. Call's house Fort Ross (Coast Hwy.) 30 Comment
  RSA0034653  Salix sitchensis C. F. Baker, Carleton R. Ball, H. P. Bracelin, Ethel Katherine Crum 1931-5-9 344 Sonoma About 2 km east of Bodega Bay. Comment
  RSA0038341  Salix sitchensis Carleton R. Ball, H. P. Bracelin, H. E. Parks, S. T. Parks 1931-4-21 35 Sonoma Maacama Creek, 25 km. northwest of Calistoga. Comment
  UCD125322  Salvia columbariae Frederica Bowcutt 1996-5-24 2167 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road W of kiosk. Comment
  POM117139  Sanicula crassicaulis Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  SEINET12122193  Sanicula crassicaulis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -261 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC328137  Santolina chamaecyparissus Peter Rubtzoff 1952-5-31 1129 Sonoma Upper Marsh in the west, Pitkin Marsh near Forestville Comment
  UCD166486  Saponaria Peter Rubtzoff 1965-9-5 5634 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  UC1010439  Saxifraga californica Leo Koch 1938-3-20 48 Sonoma 4 mi n of Santa Rosa (Miss Marian Barbours pasture, on Hwy 101, (Ranch)); North Bay Comment
  UC456049  Scabiosa atropurpurea I. J. Condit 1908-8-13 Sonoma Sebastopol Comment
  UCSB24052  Scandix pecten-veneris James, C. 1966-4-24 Sonoma Highway 12, 2 miles east of its junction with State 116 Comment
  UCD161272  Schoenoplectus acutus var. occidentalis James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3686 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  RSA540083  Schoenoplectus americanus Peter Rubtzoff 1970-5-16 6223 Sonoma 5 miles north of Sears Point Comment
  CAS-BOT-BC111632  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4573 Sonoma Bodega Harbor Marsh; freshwater part. Comment
  SD134079  Schoenoplectus californicus Peter Rubtzoff 1967-8-28 5871 Sonoma Lower Salmon Creek Marsh, in shallow water (saline), in the open. Comment
  CAS-BOT-BC366889  Schoenoplectus mucronatus Greg de Nevers 1997-9-29 11097 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  UCD50152  Schoenoplectus pungens var. badius Mary M. Hektner 1976-8-26 267 Sonoma Unit 28 Owner's Map, Sea Ranch, near State Highway 1, Sonoma County, California. Comment
  UC1153783  Scirpus cernuus B. Crampton 1957-7-22 4374 Sonoma 0.9 mi s Stewart's Point (along State Hwy 1); s of Stewart's Point Comment
  CAS-BOT-BC111111  Scirpus microcarpus Peter Rubtzoff 1954-6-7 1484 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC111110  Scirpus microcarpus Gregory Clark de Nevers 1981-6-20 1627 Sonoma In Mark West Creek, Pepperwood Ranch. Comment
  CAS-BOT-BC111115  Scirpus microcarpus John Thomas Howell 1951-5-28 s.n. Sonoma Laguna east of Sebastopol. Comment
  UC1577333  Scoliopus bigelovii Baki Kasapligil 1968-3-16 4257 Sonoma 2.5 mi. s. Fort Ross (CA Hwy. 1) Comment
  UC972188  Scribneria bolanderi Milo S. Baker 1952-3-20 12396 Sonoma about 1/4 mi n of Caliente (e side of Highway 12); Highway 12 Comment
  JEPS77870 Image available Scrophularia californica Robert M. Lloyd 1965-5-8 3633 Sonoma Corner of Pressley Road and Sonoma Mt. Road, west of Glen Ellen. Comment
  POM180691  Scrophularia californica J. T. Howell 1930-7-27 5392 Sonoma 1 mile north of Fort Ross. Comment
  POM188459  Scrophularia californica Marcus E. Jones 1931-7-5 29063 Sonoma West of Cloverdale. Comment
  NY415716  Scutellaria viarum A. A. Heller 1902-6-27 5786 Sonoma West of Windsor near Russian River Comment
  POM311092  Sedella pumila Leo Koch 1940-4-24 848 Sonoma North of Agua Caliente. Comment
  RSA0074864  Sedum radiatum subsp. radiatum A. A. Heller 1902-6-28 5789 Sonoma Between Knight's Valley and Mark West Springs. Comment
  SD95206  Sedum spathulifolium Winifred Anderson 1966-5-7 21 Sonoma Pine Flat Road, 10 miles east of Healdsburg. 170 Comment
  UC150889  Selaginella wallacei A. A. Heller 1902-3-10 5024 Sonoma hill 2 mi e Santa Rosa Comment
  UCD135988  Selaginella wallacei Frederica Bowcutt 1987-5-26 815 Sonoma Sinkyone Wilderness State Park, south of BLM's King Range Conservation Area. SW of Four Corners approx. 0.5 air miles. At entrance sign to park along Needle Rock Rd. (county road 435). 335 Comment
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Jan 26 2018
  UCD168043  Selaginella wallacei James A. Neilson Jr. 1981-3-13 3995 a 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-BC62199  Selaginella wallacei John Thomas Howell 1926-11-14 2251 Sonoma Hills east of Santa Rosa Comment
  CAS-BOT-BC363428  Senecio aronicoides G. DeNevers 1981-4-25 817 Sonoma Pepperwood Ranch. Along Creek that runs past chicken and goat pens, hillside, near main Pepperwood entrance Comment
  CAS-BOT-BC363429  Senecio aronicoides G. DeNevers 1981-5-9 1084 Sonoma Pepperwood Ranch. Above (S of) Redwood Canyon Comment
  UC201784  Senecio glomeratus P. B. Kennedy 1914-10-1 Sonoma Del Mar Ranch 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
  UC1299457  Senecio minimus Freed W. Hoffman 1946-9-1 1236 Sonoma ocean bank Bodega Park; North Coast Ranges, Bodega Park Comment
  UCD133852  Senecio sylvaticus Frederica Bowcutt 1984-6-23 447 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast.. North of Gerstle Cove about 1/2 mile. Salt Point State Park. 15 Comment
  UCD165128  Senecio vulgaris Peter Rubtzoff 1974-4-17 7380 Sonoma Upper Green Valley Marsh. Comment
  UC252  Sequoia sempervirens J. Burtt Davy July 1896 Sonoma near Guerneville Comment
  UC254  Sequoia sempervirens M. Louise Douglass 1898-4-19 Sonoma Glen Ellen Comment
  UC403025  Sequoia sempervirens J. Burtt Davy 1896-8-1 Sonoma Bohemian Camp Guerneville Comment
  UCR255654  Setaria Greg de Nevers 1997-8-20 11086 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, 400 Comment
  CAS-BOT-BC243536  Setaria faberi David L. Morgan 1958-4-6 s.n. Sonoma Highway 101, Sonoma-Marin County Line Comment
  CDA2404  Setaria faberi David Morgan Aug 1958 Sonoma Highway 101 (redwood), exactly on Sonoma Co.-Marin Co. line 0 Comment
  RSA261282  Sidalcea calycosa subsp. calycosa Lillian Reinecke 1940-4-20 s.n. Sonoma Black Point Rd., 5 miles south of sonoma Comment
  UC496409  Sidalcea diploscypha Merle Randall 1930-6-9 Sonoma Cazadero Comment
  CAS-BOT-BC205564  Sidalcea malachroides L. R. Abrams 1920-7-3 7604 Sonoma Gualala River near Mendocino-Sonoma Co. Line Comment
  RSA87979  Sidalcea malviflora C. L. Hitchcock 1952-6-4 19585 Sonoma 2 miles N. of Ft. Ross. Comment
  RSA87714  Sidalcea malviflora subsp. laciniata C. L. Hitchcock 1952-6-4 19582 Sonoma About 2 miles east of Sebastopol Road to Petaluma, Comment
  SEINET3228072  Sidalcea oregana subsp. valida John Thomas Howell 1932-1 Sonoma Comment
  CAS-BOT-BC320544  Silene Peter Rubtzoff 1974-5-25 7456 Sonoma Upper Green Valley Marsh. Comment
  UC112916  Silene californica Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  UC972134  Silene californica Helen K. Sharsmith 1952-6-18 4131 Sonoma 0.8 mi w of junction of Pine-Flat-Middletown road with Socrates Mine Road (Mayacamas Range); Inner North Coast Ranges, Mayacamas Range 914 Comment
  CAS-BOT-BC384437  Silene coronaria Peter Rubtzoff 1954-6-19 1498 Sonoma East Guernewood, near Guerneville Comment
  UCD158812  Silene gallica James A. Neilson Jr. 1974-4-16 3169 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  UC1745645  Silene multinervia Annetta M. Carter 1947-5-30 1841 Sonoma S slopes of Hood Mt. N of Milo S Baker residence, Kenwood. Comment
  CAS-BOT-BC364813  Silybum marianum Peter Rubtzoff 1951-7-21 479 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC75372  Sisymbrium officinale Elizabeth McClintock 1969-4-11 s.n. Sonoma Property of David Pleydell-Bouverie, west of Glen Ellen. Comment
  CDA36955  Sisyrinchium bellum 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
  SEINET7096766  Sisyrinchium bellum A. G. Vestal 1955-5-7 s.n. Sonoma On Jonive Road. Ca. 4.6 miles west of Sebastipol. NAD27, 38? deg. 22' 48ao, -122?_ 54' 01ao (converted to WGS84 decimal degrees) UTM Zone 10, 508701mE, 4247764mN. Comment
  RSA227220  Sisyrinchium californicum Peter Rubtzoff 1964-6-3 5341 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC164408  Solanum Peter Rubtzoff 1959-9-19 4278 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC164409  Solanum Peter Rubtzoff 1959-8-30 4251 Sonoma Drake's Beach, near Guerneville. Comment
  CAS-BOT-BC164712  Solanum Peter Rubtzoff 1956-9-16 2929 Sonoma Vacation Beach, near Guerneville. Comment
  UCD166097  Solanum Peter Rubtzoff 1971-8-9 6634 Sonoma Laguna, Chileno Valley. 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-BC344874  Solidago Peter Rubtzoff 1961-9-6 4745 Sonoma 2 miles northeast of Freestone. Comment
  POM40283  Solidago californica Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  UCR255059  Solidago occidentalis Greg de Nevers 1989-8-28 9096 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA20120  Solidago spathulata Roxana S. Ferris 1937-8-19 9378 Sonoma 1.5 miles north of Fort Ross on State Highway 1. Comment
  UC473574  Solidago spathulata John Thomas Howell 1931-9-26 8095 Sonoma 7 mi n Fort Ross Comment
  UCD136069  Solidago spathulata G. F. Hrusa; G. L. stebbins, J. McCaskill 1993-9-14 11419 Sonoma along Cavedale Road approximately 2.7 miles east of Highway 12. 400 Comment
  CAS-BOT-BC368009  Solidago velutina subsp. californica Greg de Nevers 1989-9-15 9104 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UCD136117  Soliva sessilis P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UCD165151  Soliva sessilis Peter Rubtzoff 1974-5-18 7433 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173686  Soliva sessilis Peter Rubtzoff 1974-5-18 7433 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC374526  Sonchus asper John Thomas Howell 1932-9-18 10776 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC374528  Sonchus asper Peter Rubtzoff 1951-7-21 517 Sonoma Pitkin Marsh, near Forestville. Area between the Upper and the Lower marshes Comment
  CAS-BOT-BC374529  Sonchus asper Peter Rubtzoff 1951-7-21 517 Sonoma Pitkin Marsh, near Forestville. Area between the Upper and the Lower marshes Comment
  UCD136129  Sonchus asper subsp. asper Mary M. Hektner; Cathy Hendel 1974-7-24 163 Sonoma alongside Kirkwood House on Pacific Reach, Unit 24 Owners' Map, Sea ranch, near State Highway 1. Comment
  CAS-BOT-BC236590  Sorghum halepense Peter Rubtzoff 1962-9-16 5093 Sonoma Vacation Beach, 1.5 mi. below Guerneville, damp bottom of Russian River Comment
  CAS-BOT-BC236593  Sorghum halepense G. DeNevers 1981-7-31 1777 Sonoma Summerhome Park on the Russian River Comment
  UCR218643  Spartium junceum George K. Helmkamp, E. A. Helmkamp 2010-6-4 16208 Sonoma North Coast Ranges, Mark West Springs Road, 1.7 rd. miles east of US-101, 2.5 air miles NE (75 deg. ) of Fulton 63 Comment
  RSA41907  Spergula arvensis H. C. Cantelow 1936-1-26 1115 Sonoma Cliffs above Bodega Bay. Comment
  CAS-BOT-BC390046  Spergula arvensis Peter Rubtzoff 1952-3-23 880 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  CAS-BOT-BC390048  Spergula arvensis Barbara Stuart Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  CAS-BOT-BC390049  Spergula arvensis Ella Dales Cantelow 1940-4-20 3446 Sonoma N. of Ft. Ross. Hy I Comment
  CAS-BOT-BC390050  Spergula arvensis Mary P. Wells 1984-5-9 266 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  UCR275245  Spergularia Peter Rubtzoff 1971-7-3 6591 Sonoma Intermittent lake off west side of Hwy 1, 0.7 miles SE of Salmon Creek crossing 30 Comment
  CAS-BOT-BC534886  Spirodela polyrhiza Peter Rubtzoff 1951-9-2 704 Sonoma Northern half of Lower Marsh, in the open, in water Comment
  JEPS128255  Stachys albens Roger Raiche 2000-9-2 151 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD125557  Stachys albens Frederica Bowcutt 1994-6-24 1893 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
  UCD126047  Stachys rigida var. quercetorum Chris Bowen 1974-6-2 151 Sonoma Near Sea Gate Road, Unit 7 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD126054  Stachys rigida var. quercetorum D. G. Heiser 1946-4-14 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC251170  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-7-9 1938 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC405133  Stellaria nitens D. E. Breedlove 1983-4-11 58691 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  UCD136267  Stephanomeria elata L. D. Gottlieb 1966-8-4 66115 Sonoma on Trinity road, 1/2 mile east of junction with Cavedale Road. 548 Comment
  UCR142044  Stipa lepida Beecher Crampton 1955-6-17 2966 Sonoma North Coast, 1.5 miles east of Fort Ross 366 Comment
  UCD161864  Streptanthus James A. Neilson Jr. 1979-6-26 3976 Sonoma Mayacmas Mountans. About 2 1/2 miles northwest of Socrates Mine, 1/4 mile south of highest knoll above the Geysers on ridge that divides Big and Little Sulphur Creeks. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR274968  Streptanthus Jack and Betty Guggolz 2000-8-7 1644 Sonoma long-abandoned mining road east of the Crystal Mine 730 Comment
  UC956501  Streptanthus barbiger Freed W. Hoffman 1948-6-16 2341 Sonoma Dorr's Cabin North Coast Ranges, upper East Austin 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
  UC1292729  Streptanthus brachiatus Freed W. Hoffman 1957-8-22 4207 Sonoma near Contact Mine, E of Pine Flat; on Sonoma-Lake county line 914 Comment
  UCD168162  Streptanthus brachiatus James Neilson 1977-3-28 3856 Sonoma Mayacmas Mountains, Location 8, US Geothermal 1. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1292752  Streptanthus glandulosus Freed W. Hoffman 1947-5-12 1052 Sonoma Camp Meeker North Coast Ranges Comment
  JEPS128312  Streptanthus glandulosus subsp. hoffmanii Roger Raiche 2000-5-21 105 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS27974  Streptanthus glandulosus subsp. secundus Rimo Bacigalupi and L. Heckard 1961-6-9 7735 Sonoma 1.75 mi. s.w. Occidental (at junction of Joy Rd. and Bittner Rd.) 249 Comment
  UC1322476  Streptanthus glandulosus subsp. secundus Jerry Powell 1966-5-18 608 Sonoma two mi e Healdsburg (steep sw-facing outcrop next to road) Comment
  UC1492770  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-5-18 1062 Sonoma Dutch Bill Creek North Coast Ranges Comment
  UC1492792  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-5-30 1065 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UC985954  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-5-29 2787 Sonoma somewhat e of first <b>end in road after crossing stream on way n from Jenner North Coast Ranges, Russian Gulch 15 Comment
  UC985956  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-1 2335 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UC985965  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-17 2342 Sonoma Herr road above Armstrong Woods; North Coast Ranges Comment
  CAS-BOT-BC87296  Streptanthus glandulosus subsp. sonomensis Peter Rubtzoff 1964-6-6 s.n. Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  CAS-BOT-BC87294  Streptanthus glandulosus subsp. sonomensis Peter Rubtzoff 1952-6-1 1134 Sonoma Fitch Mountain Grove, near Healdsburg. Comment
  UC2031713  Streptanthus hesperidis Sherry Adams 2009-6-10 Sonoma About 12 miles ENE from Healdsburg, via Pine Flat Road. About 500' north of the confluence of McDonnell and Ingalls Creeks Modini Ingalls Ecological Preserve of Audubon Canyon Ranch Comment
  JEPS128181  Streptanthus morrisonii Roger Raiche 2001-3-17 008 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS82241  Streptanthus morrisonii Roger Raiche 1983-8-6 30581 Sonoma headwaters Austin Creek (The Cedars); , Austin Creek 182 Comment
  UCD167021  Streptanthus morrisonii James Neilson 1981-7-1 4046 Sonoma Mayacmas Mountains. Abril Ridge. (Abril Ridge assumed to be on Abril property which, based on other Neilson collections, includes T11N R9W Sect. 15. Exact location unknown, coordinates estimated by label maker.) Comment
  UCD166491  Symphoricarpos Peter Rubtzoff 1959-5-31 4075 Sonoma Freestone Marsh. Comment
  UCSB15941  Symphoricarpos mollis Breedlove, Dennis 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
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Apr 16 2014
  CAS-BOT-BC97823  Symphyotrichum chilense Greg de Nevers 1987-1-1 8121 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC97830  Symphyotrichum chilense Walter Knight; Irja Knight 1963-10-3 498 Sonoma Bennett Valley Comment
  UC29836  Symphyotrichum chilense Edw. L. Greene 1888-9-1 1 Sonoma near Santa Rosa Comment
  CAS-BOT-BC98568  Symphyotrichum lentum Peter Rubtzoff 1958-9-6 3971 Sonoma Laguna de Santa Rosa north of cunningham (nr. Todd Rd.) - Sonoma County Marshes Comment
  UC1041032  Symphyotrichum spathulatum J. W. Congdon 1880-9-12 Sonoma Petaluma Comment
  UC29899  Symphyotrichum spathulatum J. Burtt Davy 1897-9-19 4032 Sonoma near Petaluma Comment
  HSC46827  Teesdalia coronopifolia Chas F. Quibell 1977-3-18 1393 Sonoma SW corner of Fulton and Piner Rds., W Santa Rosa, between Piner Elementary School and the church on Fulton Rd. Comment
  CHSC26306  Tellima grandiflora P. Kunst 1977-4-12 23 Sonoma Ca. 4 yd n of Coleman Valley Rd and 3 yd s of Coleman Valley Creek, 2.5 mi w of Occidental. 219 Comment
  RSA155470  Tellima grandiflora L. S. Rose 1962-4-18 62023 Sonoma 1 mile NW of Freestone. 76 Comment
  UC857532  Thysanocarpus curvipes L. Koch 1938-3-24 65 Sonoma near Kenwood (Los Alamos Canyon (near the quarry)); Los Alamos Canyon, near Kenwood Comment
  CAS-BOT-BC66805  Thysanocarpus curvipes John Thomas Howell 1931-4-4 6177 Sonoma Santa Rosa Canyon. Comment
  CAS-BOT-BC66813  Thysanocarpus curvipes Karl H. Rechinger; J. T. Howell 1953-4-12 s.n. Sonoma Hills north of Sonoma. Comment
  CAS-BOT-BC66817  Thysanocarpus curvipes G. DeNevers 1981-4-25 843 Sonoma Pepperwood Ranch. At the big road cut and turnout below Walter Ward's House on Franz Valley Road. Comment
  RSA0041614  Thysanocarpus curvipes var. elegans David D. Keck 1931-4-4 1099 Sonoma Santa Rosa Creek Canyon. 225 Comment
  UC11048  Thysanocarpus radians Alice King Apr., 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC67337  Thysanocarpus radians John Thomas Howell 1934-3-27 11804 Sonoma Summit of Bennett Valley road from Glen Ellen to Santa Rosa. Comment
  CAS-BOT-BC447596  Tiarella trifoliata subsp. unifoliata John Thomas Howell 1930-7-27 5394 Sonoma Deep shade of redwood forest, 1 mile north of Fort Ross Comment
  CAS-BOT-BC447587  Tiarella trifoliata var. unifoliata J. W. Congdon 1892-5-30 s.n. Sonoma Trail from Shell Beach to Pomo Campground. 40 Comment
  CAS-BOT-BC447598  Tiarella trifoliata var. unifoliata Volney Rattan 1877-6-14 118 Sonoma Guernville Comment
  CAS-BOT-BC447599  Tiarella trifoliata var. unifoliata Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road 3 mi east of Stewarts' Point Comment
  SD88503  Tofieldia glutinosa subsp. occidentalis Darley F. Howe 1972-6-27 4842 Sonoma Near Pitkin Marsh. Comment
  UCD110462  Toxicoscordion fremontii Christopher Mallek 2008-1 HC1- 1 Sonoma Hooker Canyon. 590 Comment
  JEPS63141  Trichostema laxum Milo S. Baker 1923-8-26 443 Sonoma near Geyserville (Russian River) Comment
  JEPS86783  Trichostema laxum Jack and Betty Guggolz 1990-9-17 1901 Sonoma one mile N of Camp Meeker (Grub Creek, just below the reservoir) 79 Comment
  UCD125571  Trichostema laxum D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. Open cypress forests (Cupressus sargentii) in serpentine and andesitic rocks. 800 Comment
  RSA0089543  Trientalis latifolia Ann Howald 2015-4-28 3372 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 1..5 miles west of intersection with Rockpile Rd, Warm Springs drainage. 408 Comment
  UC971948  Trientalis latifolia Martha Meagher 1947-4-6 102 Sonoma county road 1/2 mi w of Freezeout Creek (across Russian River from Duncan's Mills) Comment
  SEINET11996903  Trientalis latifolia F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -274 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC166775  Trifolium Peter Rubtzoff 1974-4-17 7376 Sonoma Upper Green Valley Marsh. Comment
  RSA784995  Trifolium Peter Rubtzoff, Nancy Harrison 1974-5-26 7467 Sonoma On Bennett Valley Road, 4.25 mi W of Glen Ellen. Comment
  CAS-BOT-BC210048  Trifolium Peter Rubtzoff 1974-5-18 7432 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  OBI12720  Trifolium amoenum Robert F. Hoover 1969-1 Sonoma Comment
  UC249680  Trifolium amoenum Joseph P. Tracy 1921-5-13 5548 Sonoma near Petaluma; Northern Coast Ranges 15 Comment
  UCSC011040  Trifolium appendiculatum R. Morgan 2005-5-14 4423 A Sonoma Seed originally from one or two plants in Santa Rosa Comment
  UC165624  Trifolium bifidum var. decipiens Milo S. Baker 1898-5-7 641 Sonoma Glenn Ellen Comment
  UCD151095  Trifolium bifidum var. decipiens James A. Neilson Jr. 1973-6-3 2989 Sonoma Mayacmas Mountains. The Geysers. Site I. In Geyser Canyon. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  POM21441  Trifolium bifidum var. decipiens A. A. Heller, H. E. Brown, A. H. Heller 1902-4-15 7339 Sonoma Santa Rosa. Comment
  UCD107611  Trifolium buckwestiorum P. G. Connors 1995-6-11 350 Sonoma Bodega Head and Dunes. Cazadero, King Ridge Road. 292 Comment
  CHSC90392  Trifolium fucatum Elizabeth L. Knight 1988-4-1 6 Sonoma Ca. .25 m ene of southernmost point of Bodega Head and 100 ft n of Pacific Ocean. 15 Comment
  UC1541575  Trifolium fucatum H. E. and S. T. Parks 1930-5-9 608 Sonoma Knights Valley 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
  UCD111372  Trifolium microcephalum P. G. Connors 1995-6-2 347 Sonoma Near old Gaffney ranch house site, near BML housing. Comment
  UC80353  Trifolium microdon Alice Eastwood 1900-4-7 Sonoma Altruria Comment
  UCD165125  Trifolium subterraneum Peter Rubtzoff 1974-4-17 7373 Sonoma Upper Green Valley Marsh. Comment
  SEINET10829861  Trifolium truncatum A. Arthur Heller, H. E. Brown 1902-4-22 Heller s.n. Sonoma Between Santa Rosa and Agua Caliente. Comment
  UCD161358  Trifolium variegatum James A Neilson Jr. 1976-5-5 3717 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road. Aidlin-Gloved Leasehold, ca. 300 yards uphill from well site #1. (Coordinates and location estimated by label maker.) Comment
  JEPS74301  Trifolium variegatum var. melananthum Peter Rubtzoff 1969-5-3 6023 Sonoma e Sebastopol (Laguna de Santa Rosa) Comment
  JEPS128229  Trifolium willdenovii Roger Raiche 2000-5-4 072 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC85322  Trifolium willdenovii Michener and Bioletti May 1892 105 a Sonoma S. L. G. Comment
  CAS-BOT-BC451942  Triglochin maritima Peter Rubtzoff 1963-8-17 5224 Sonoma Near Petaluma River just east of Petaluma. Comment
  UCR255036  Trillium ovatum Greg de Nevers 1998-4-30 11222 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC463118  Trillium ovatum Milo S. Baker 1900-9-26 3857 b Sonoma Cooper's Greene Comment
  JEPS87248  Triphysaria eriantha subsp. eriantha Jack and Betty Guggolz 1991-5-27 1152 Sonoma found between Hwy 1 and the ocean just s of the s end Myers Grade 182 Comment
  UC138992  Triphysaria versicolor subsp. faucibarbata J. W. Congdon 1880-6-6 Sonoma Petaluma Comment
  UC185474  Triphysaria versicolor subsp. faucibarbata Katharine Brandegee May 1905 Sonoma Sebastopol Comment
  JEPS15319  Triphysaria versicolor subsp. versicolor A. A. Heller 1928-5-14 15090 Sonoma just e of the town Bodega Comment
  UC1745768  Triphysaria versicolor subsp. versicolor Annetta M. Carter 1934-4-29 512 Sonoma 1 mile W of Two Rock junction on road to Tomales. Comment
  CAS-BOT-BC200104  Trisetum canescens G. DeNevers 1981-6-18 1576 Sonoma W arm of Garrison Canyon Comment
  UC1222814  Triteleia hyacinthina Joseph P. Tracy 1950-5-24 18686 Sonoma where the Knight's Valley Road enters Alexander Valley and leaves Mayacamas Creek; , Alexander Valley Comment
  UCR143026  Triteleia hyacinthina Peter Rubtzoff 1971-6-5 6511 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  CAS-BOT-BC523026  Triteleia hyacinthina David D. Keck 1933-5-28 2322 Sonoma 3.4 miles east of Shellville (just east intersection of Sonoma road). Comment
  JEPS58042  Triteleia laxa W. L. Jepson 1918-6-23 7661 Sonoma Petrified Forest Comment
  CAS-BOT-BC527034  Triteleia laxa Dorothy Scherer 1997-5-20 116 Sonoma Ca. 25' north of Hwt 1 MM. 34.00 and 50' east, Fort Ross State Historic Park 38 Comment
  SEINET7042672  Triteleia laxa A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 5.1 miles east of Windsor. Healdsburd quadrangle UTM Zone 10, 519806mE, 4273479mN. Comment
  UCD139377  Triteleia laxa Frederica Bowcutt 1994-6-12 1863 Sonoma Sugarloaf Ridge State Park. about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 1.5 air miles north of Kenwood, and 18 air mles NW of Napa. Adobe Canyon north of Sonoma Creek, north of Adobe Canyon Road, About 50 yards N. of Pony Gate trail juncture. 432 Comment
  SD134038  Typha angustifolia Peter Rubtzoff 1971-7-20 6603 Sonoma Sebastopol - Santa Rosa Hwy. near Wright Road. Ditch Comment
  UCD94869  Typha latifolia Mary M. Hektner 1974-9-12 184 A Sonoma Sea Ranch. Near State Highway 1. Unit 36 Owners' Map. Comment
  UCD108657  Ulex europaeus T. I. Storer 1930-6-24 2153 Sonoma Near Bodega. Comment
  RSA187426  Ulex europaeus John H. Thomas 1966-3-22 11543 Sonoma In the vicinity of Bodega Comment
  CAS-BOT-BC258006  Ulmus Peter Rubtzoff 1974-8-31 7855 Sonoma Kenwood Marsh. Comment
  HSC14488  Umbellularia californica D. Sutherland, A. Sylvester, R. Spellenberg 1966-3-26 1336 Sonoma Near Big Geysers Comment
  CAS-BOT-BC403974  Urtica dioica subsp. gracilis Peter Rubtzoff 1954-8-2 1624 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC404221  Urtica dioica subsp. holosericea A. A. Heller 1902-6-24 5759 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC404244  Urtica dioica subsp. holosericea Peter Rubtzoff 1965-9-5 5633 Sonoma Forest Hills (5.5 miles east of Guerneville) Comment
  RSA620420  Urtica dioica subsp. holosericea Peter Rubtzoff 1960-9-17 4566 Sonoma Laguna de Santa Rosa, northeast of Graton (near Buerneville Road). Comment
  RSA620427  Urtica dioica subsp. holosericea Peter Rubtzoff 1973-8-29 7279 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC404225  Urtica dioica subsp. holosericea Peter Rubtzoff 1973-8-29 7279 Sonoma Sonoma Creek bottom near Auga [Agua] Caliente Road crossing west of Agua Caliente Comment
  CAS-BOT-BC193980  Vaccinium cespitosum Milo S. Baker 1939-5-19 9329 Sonoma Marsh on ranch of J.J. Perry, on Gravenstein Highway about one half miles south of Molino west side of road, Twin Pine Ranch Comment
  CAS-BOT-BC193381  Vaccinium ovatum Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma North of Fort Ross Comment
  CAS-BOT-BC193385  Vaccinium ovatum J. W. Congdon 1880-10-24 s.n. Sonoma Near Guerneville Comment
  CAS-BOT-BC199471  Vaccinium parvifolium John Thomas Howell 1930-7-27 5395 Sonoma 1 mile north of Fort Ross Comment
  CDA24422  Vancouveria planipetala G. D. Barbe 1982-5-27 3624 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment
  CAS-BOT-BC135765  Veratrum fimbriatum John Thomas Howell 1931-9-26 8094 Sonoma 7 miles north of Fort Ross Comment
  RSA731  Verbascum blattaria E. R. Johnson 1928-8-22 1113 Sonoma Cloverdale Comment
  CDA29821  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15682 a Sonoma North Coast Biodiversity Arena; Along Leslie Creek approx. 1/4 mi. above Mark West Springs road crossing. Sheet 3 of 3. Comment
  UC1125682  Verbascum thapsus E. Armstrong 1934-3-26 911 Sonoma 2 mi n Camp Meeker; Sebastopol Quad., n of Camp Meeker 91 Comment
  JEPS65942  Verbena lasiostachys var. lasiostachys L. M. Newlon 1921-9-12 271 Sonoma Alexander Valley Comment
  CAS-BOT-BC164361  Veronica Peter Rubtzoff 1969-5-11 6037 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC262796  Veronica Peter Rubtzoff; Nancy Harrison 1974-9-7 7868 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. 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
  CDA42023  Veronica americana T. C. Fuller 1958-5-24 3989 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CAS-BOT-BC371440  Veronica peregrina Greg de Nevers 1998-4-21 11159 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Franz Valley Road intersection with Mark West Springs Road 400 Comment
  UCR279619  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1962-5-6 4809 Sonoma Guerneville Marsh Comment
  UCD148393  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1958-4-26 3594 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  RSA0021071  Veronica persica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 mils east of Guerneville. At 9981 Old River Road. Comment
  RSA800076  Veronica scutellata Peter Rubtzoff, Nancy Harrison 1978-6-11 9211 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  UCR255466  Veronica scutellata Ann Howald 2014-5-2 3002 Sonoma North Coast, c. 1.5 mi southeast of Del Mar Point 23 Comment
  JEPS12695  Viburnum ellipticum Miss R. Kuhn May 1914 Sonoma Sonoma Comment
  UCR255688  Vicia benghalensis Greg de Nevers 1998-4-27 11205 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  POM17347  Vicia gigantea A. A. Heller, H. E. Brown, A. H. Heller 1902-4-11 8210 Sonoma Bodega Bay Comment
  JEPS86772  Vicia lathyroides Jack and Betty Guggolz 1990-6-11 1062 Sonoma about 11 km e Healdsburg (on the Ferrari-Carano Ranch) 228 Comment
  UC17028  Vicia sativa W. H. Brewer 1862-4-18 965 Sonoma near Sonoma Comment
  UC1084366  Vinca major G. Thomas Robbins 1937-3-26 32 Sonoma along rd. to Bodega Bay just w. of Bodega Comment
  UC1761563  Viola adunca Edith Hessel 1927-4-26 Sonoma Hessel Station, 100 ft up car track from store, to W Comment
  UC518980  Viola douglasii J. Clausen 1933-3-25 732 Sonoma Melita 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
  UC1761451  Viola lobata Milo S. Baker 1926-5-31 164 -1926 Sonoma Triniti road, 1 mi up Comment
  CAS-BOT-BC536964  Viola lobata Milo S. Baker 1926-3-31 164 C Sonoma Triniti Road 1 mi from Hyhway[?] Comment
  JEPS18183  Viola lobata subsp. integrifolia Rimo Bacigalupi with F. Chisaki and G. T. Robbins 1956-4-17 5588 Sonoma 1.4 mi w of Lake County Line (along Ida Clayton Road, 7.2 mi from its Kellogg Valley end) 762 Comment
  UC455410  Viola sempervirens I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UC496478  Viola sempervirens Merle Randall 1930-8-6 Sonoma Cazadero Comment
  RSA40694  Viola sempervirens I. L. Wiggins 1948-3-21 11616 Sonoma Western margin of Kruse Rhododendron State Park. Comment
  CDA14898  Viscum album G. D. Barbe 1968-1-1 859 Sonoma Semi-abandoned residence yard, 7790 Atkinson Road 1 block east of Hwy 122, 1.5 miles north of Sebastopol. 0 Comment
  CDA36403  Viscum album G. D. Barbe 1968-1-1 859 Sonoma Semi-abandoned residence yard, 7790 Atkinson Road 1 block east of Hwy 122, 1.5 miles north of Sebastopol. 0 Comment
  CAS-BOT-BC203122  Vitis californica Wosnessensky No date on label s.n. Sonoma Ross Comment
  UCD58728  Vitis californica Eric Wada 2006-9-3 RR 3 Sonoma On Westside Road between Healdsburg and Guerneville. North bank of Russian River 18 Comment
  SEINET10691477  Vitis californica John H. Redfield 1872-8-26 Redfield 1106 Sonoma Geysers Comment
  UCD102746  Vitis californica K. Esau 1935-7-19 s.n. Sonoma Near Petaluma Comment
  CAS-BOT-BC199896  Vulpia bromoides G. DeNevers 1981-7-1 1725 B Sonoma On the slope W of the Goat Pen at the Garrison House Comment
  CAS-BOT-BC199898  Vulpia bromoides A. A. Heller 1902-4-4 5221 Sonoma Hills near Santa Rosa Comment
  CAS-BOT-BC199899  Vulpia bromoides Barrett Anderson 1987-4-27 3467 Sonoma Petaluma, south of El Rose and west of D Street 120 Comment
  UC573936  Vulpia bromoides H. S. Yates 1937-6-6 6585 Sonoma 3 mi e Jenner; Duncan Hills Quad. 60 Comment
  UCD93675  Vulpia microstachys August L. Hormay 1932-5-25 s.n. Sonoma Hot Springs. Comment
  JEPS79413  Vulpia myuros var. hirsuta Edward Lee with W. A. Setchell 1936-6-7 2183 Sonoma Bohemian Grove; s ridge Fire Trail Comment
  CAS-BOT-BC178599  Vulpia myuros var. myuros G. De Nevers 1981-5-7 1008 Sonoma On roadcut by confluence of Leslie Creek with Mark West Creek - Pepperwood Ranch Comment
  RSA537697  Watsonia meriana John H. Madison 1988-08 Sonoma Along Highway 1 from Ocean Cove and Horseshoe Cove Comment
  UCR24386  Whipplea modesta John C. Roos 1957-7-2 6650 Sonoma Miller Ridge Comment
  UCSB2705  Whipplea modesta Keator, Glenn 1959-4-1 Sonoma At abandoned picnic grounds; 1 mile southeast of northern city limits of Camp Meeker on Occidental- Monterio highway Comment
  SEINET10814390  Wolffiella lingulata P. Rubtzoff 1963-9-1 Rubtzoff 5250 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC164058  Woodwardia Peter Rubtzoff 1973-8-28 7278 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC73580  Woodwardia fimbriata Peter Rubtzoff 1960-5-16 4356 Sonoma Duncans Mills Marsh. Comment
  UCD151244  Woodwardia fimbriata James A. Neilson Jr. 1974-4-16 3026 Sonoma Mayacmas Mountains, upper reaches of Squaw Creek. (Elevation estimated using Google Earth by label maker.) 944 Comment
  CAS-BOT-BC371458  Wyethia angustifolia Greg de Nevers 1989-4-1 9063 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC383254  Wyethia angustifolia Robert F. Thorne 1965-4-20 34353 Sonoma On Cavedale Rd., 1/2 mi. up from State Hwy. 12, ca. 4 mi. N of Sonoma 243 Comment
  CAS-BOT-BC499110  Wyethia angustifolia Ann Howald 2015-4-13 3342 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, NW corner, S of Marsh Trail 362 Comment
  SEINET7067338  Wyethia angustifolia A. G. Vestal 1947-5-16 s.n. Sonoma About 6.7 miles east of Windsor on Mendocino Avenue. Coordinate datum: NAD27. UTM Zone 10, 523728mE, 4258330mN. Comment